/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
var ts;
(function (ts) {
(function (EmitReturnStatus) {
EmitReturnStatus[EmitReturnStatus["Succeeded"] = 0] = "Succeeded";
EmitReturnStatus[EmitReturnStatus["AllOutputGenerationSkipped"] = 1] = "AllOutputGenerationSkipped";
EmitReturnStatus[EmitReturnStatus["JSGeneratedWithSemanticErrors"] = 2] = "JSGeneratedWithSemanticErrors";
EmitReturnStatus[EmitReturnStatus["DeclarationGenerationSkipped"] = 3] = "DeclarationGenerationSkipped";
EmitReturnStatus[EmitReturnStatus["EmitErrorsEncountered"] = 4] = "EmitErrorsEncountered";
EmitReturnStatus[EmitReturnStatus["CompilerOptionsErrors"] = 5] = "CompilerOptionsErrors";
})(ts.EmitReturnStatus || (ts.EmitReturnStatus = {}));
var EmitReturnStatus = ts.EmitReturnStatus;
(function (DiagnosticCategory) {
DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning";
DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error";
DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message";
})(ts.DiagnosticCategory || (ts.DiagnosticCategory = {}));
var DiagnosticCategory = ts.DiagnosticCategory;
})(ts || (ts = {}));
var ts;
(function (ts) {
function forEach(array, callback) {
if (array) {
for (var i = 0, len = array.length; i < len; i++) {
var result = callback(array[i]);
if (result) {
return result;
}
}
}
return undefined;
}
ts.forEach = forEach;
function contains(array, value) {
if (array) {
for (var i = 0, len = array.length; i < len; i++) {
if (array[i] === value) {
return true;
}
}
}
return false;
}
ts.contains = contains;
function indexOf(array, value) {
if (array) {
for (var i = 0, len = array.length; i < len; i++) {
if (array[i] === value) {
return i;
}
}
}
return -1;
}
ts.indexOf = indexOf;
function countWhere(array, predicate) {
var count = 0;
if (array) {
for (var i = 0, len = array.length; i < len; i++) {
if (predicate(array[i])) {
count++;
}
}
}
return count;
}
ts.countWhere = countWhere;
function filter(array, f) {
if (array) {
var result = [];
for (var i = 0, len = array.length; i < len; i++) {
var item = array[i];
if (f(item)) {
result.push(item);
}
}
}
return result;
}
ts.filter = filter;
function map(array, f) {
if (array) {
var result = [];
for (var i = 0, len = array.length; i < len; i++) {
result.push(f(array[i]));
}
}
return result;
}
ts.map = map;
function concatenate(array1, array2) {
if (!array2 || !array2.length)
return array1;
if (!array1 || !array1.length)
return array2;
return array1.concat(array2);
}
ts.concatenate = concatenate;
function deduplicate(array) {
if (array) {
var result = [];
for (var i = 0, len = array.length; i < len; i++) {
var item = array[i];
if (!contains(result, item))
result.push(item);
}
}
return result;
}
ts.deduplicate = deduplicate;
function sum(array, prop) {
var result = 0;
for (var i = 0; i < array.length; i++) {
result += array[i][prop];
}
return result;
}
ts.sum = sum;
function lastOrUndefined(array) {
if (array.length === 0) {
return undefined;
}
return array[array.length - 1];
}
ts.lastOrUndefined = lastOrUndefined;
function binarySearch(array, value) {
var low = 0;
var high = array.length - 1;
while (low <= high) {
var middle = low + ((high - low) >> 1);
var midValue = array[middle];
if (midValue === value) {
return middle;
}
else if (midValue > value) {
high = middle - 1;
}
else {
low = middle + 1;
}
}
return ~low;
}
ts.binarySearch = binarySearch;
var hasOwnProperty = Object.prototype.hasOwnProperty;
function hasProperty(map, key) {
return hasOwnProperty.call(map, key);
}
ts.hasProperty = hasProperty;
function getProperty(map, key) {
return hasOwnProperty.call(map, key) ? map[key] : undefined;
}
ts.getProperty = getProperty;
function isEmpty(map) {
for (var id in map) {
if (hasProperty(map, id)) {
return false;
}
}
return true;
}
ts.isEmpty = isEmpty;
function clone(object) {
var result = {};
for (var id in object) {
result[id] = object[id];
}
return result;
}
ts.clone = clone;
function forEachValue(map, callback) {
var result;
for (var id in map) {
if (result = callback(map[id]))
break;
}
return result;
}
ts.forEachValue = forEachValue;
function forEachKey(map, callback) {
var result;
for (var id in map) {
if (result = callback(id))
break;
}
return result;
}
ts.forEachKey = forEachKey;
function lookUp(map, key) {
return hasProperty(map, key) ? map[key] : undefined;
}
ts.lookUp = lookUp;
function mapToArray(map) {
var result = [];
for (var id in map) {
result.push(map[id]);
}
return result;
}
ts.mapToArray = mapToArray;
function arrayToMap(array, makeKey) {
var result = {};
forEach(array, function (value) {
result[makeKey(value)] = value;
});
return result;
}
ts.arrayToMap = arrayToMap;
function formatStringFromArgs(text, args, baseIndex) {
baseIndex = baseIndex || 0;
return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; });
}
ts.localizedDiagnosticMessages = undefined;
function getLocaleSpecificMessage(message) {
return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message] ? ts.localizedDiagnosticMessages[message] : message;
}
ts.getLocaleSpecificMessage = getLocaleSpecificMessage;
function createFileDiagnostic(file, start, length, message) {
Debug.assert(start >= 0, "start must be non-negative, is " + start);
Debug.assert(length >= 0, "length must be non-negative, is " + length);
var text = getLocaleSpecificMessage(message.key);
if (arguments.length > 4) {
text = formatStringFromArgs(text, arguments, 4);
}
return {
file: file,
start: start,
length: length,
messageText: text,
category: message.category,
code: message.code,
isEarly: message.isEarly
};
}
ts.createFileDiagnostic = createFileDiagnostic;
function createCompilerDiagnostic(message) {
var text = getLocaleSpecificMessage(message.key);
if (arguments.length > 1) {
text = formatStringFromArgs(text, arguments, 1);
}
return {
file: undefined,
start: undefined,
length: undefined,
messageText: text,
category: message.category,
code: message.code,
isEarly: message.isEarly
};
}
ts.createCompilerDiagnostic = createCompilerDiagnostic;
function chainDiagnosticMessages(details, message) {
var text = getLocaleSpecificMessage(message.key);
if (arguments.length > 2) {
text = formatStringFromArgs(text, arguments, 2);
}
return {
messageText: text,
category: message.category,
code: message.code,
next: details
};
}
ts.chainDiagnosticMessages = chainDiagnosticMessages;
function concatenateDiagnosticMessageChains(headChain, tailChain) {
Debug.assert(!headChain.next);
headChain.next = tailChain;
return headChain;
}
ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains;
function flattenDiagnosticChain(file, start, length, diagnosticChain, newLine) {
Debug.assert(start >= 0, "start must be non-negative, is " + start);
Debug.assert(length >= 0, "length must be non-negative, is " + length);
var code = diagnosticChain.code;
var category = diagnosticChain.category;
var messageText = "";
var indent = 0;
while (diagnosticChain) {
if (indent) {
messageText += newLine;
for (var i = 0; i < indent; i++) {
messageText += " ";
}
}
messageText += diagnosticChain.messageText;
indent++;
diagnosticChain = diagnosticChain.next;
}
return {
file: file,
start: start,
length: length,
code: code,
category: category,
messageText: messageText
};
}
ts.flattenDiagnosticChain = flattenDiagnosticChain;
function compareValues(a, b) {
if (a === b)
return 0 /* EqualTo */;
if (a === undefined)
return -1 /* LessThan */;
if (b === undefined)
return 1 /* GreaterThan */;
return a < b ? -1 /* LessThan */ : 1 /* GreaterThan */;
}
ts.compareValues = compareValues;
function getDiagnosticFilename(diagnostic) {
return diagnostic.file ? diagnostic.file.filename : undefined;
}
function compareDiagnostics(d1, d2) {
return compareValues(getDiagnosticFilename(d1), getDiagnosticFilename(d2)) || compareValues(d1.start, d2.start) || compareValues(d1.length, d2.length) || compareValues(d1.code, d2.code) || compareValues(d1.messageText, d2.messageText) || 0;
}
ts.compareDiagnostics = compareDiagnostics;
function deduplicateSortedDiagnostics(diagnostics) {
if (diagnostics.length < 2) {
return diagnostics;
}
var newDiagnostics = [diagnostics[0]];
var previousDiagnostic = diagnostics[0];
for (var i = 1; i < diagnostics.length; i++) {
var currentDiagnostic = diagnostics[i];
var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0 /* EqualTo */;
if (!isDupe) {
newDiagnostics.push(currentDiagnostic);
previousDiagnostic = currentDiagnostic;
}
}
return newDiagnostics;
}
ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics;
function normalizeSlashes(path) {
return path.replace(/\\/g, "/");
}
ts.normalizeSlashes = normalizeSlashes;
function getRootLength(path) {
if (path.charCodeAt(0) === 47 /* slash */) {
if (path.charCodeAt(1) !== 47 /* slash */)
return 1;
var p1 = path.indexOf("/", 2);
if (p1 < 0)
return 2;
var p2 = path.indexOf("/", p1 + 1);
if (p2 < 0)
return p1 + 1;
return p2 + 1;
}
if (path.charCodeAt(1) === 58 /* colon */) {
if (path.charCodeAt(2) === 47 /* slash */)
return 3;
return 2;
}
return 0;
}
ts.getRootLength = getRootLength;
ts.directorySeparator = "/";
function getNormalizedParts(normalizedSlashedPath, rootLength) {
var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator);
var normalized = [];
for (var i = 0; i < parts.length; i++) {
var part = parts[i];
if (part !== ".") {
if (part === ".." && normalized.length > 0 && normalized[normalized.length - 1] !== "..") {
normalized.pop();
}
else {
normalized.push(part);
}
}
}
return normalized;
}
function normalizePath(path) {
var path = normalizeSlashes(path);
var rootLength = getRootLength(path);
var normalized = getNormalizedParts(path, rootLength);
return path.substr(0, rootLength) + normalized.join(ts.directorySeparator);
}
ts.normalizePath = normalizePath;
function getDirectoryPath(path) {
return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator)));
}
ts.getDirectoryPath = getDirectoryPath;
function isUrl(path) {
return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1;
}
ts.isUrl = isUrl;
function isRootedDiskPath(path) {
return getRootLength(path) !== 0;
}
ts.isRootedDiskPath = isRootedDiskPath;
function normalizedPathComponents(path, rootLength) {
var normalizedParts = getNormalizedParts(path, rootLength);
return [path.substr(0, rootLength)].concat(normalizedParts);
}
function getNormalizedPathComponents(path, currentDirectory) {
var path = normalizeSlashes(path);
var rootLength = getRootLength(path);
if (rootLength == 0) {
path = combinePaths(normalizeSlashes(currentDirectory), path);
rootLength = getRootLength(path);
}
return normalizedPathComponents(path, rootLength);
}
ts.getNormalizedPathComponents = getNormalizedPathComponents;
function getNormalizedAbsolutePath(filename, currentDirectory) {
return getNormalizedPathFromPathComponents(getNormalizedPathComponents(filename, currentDirectory));
}
ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath;
function getNormalizedPathFromPathComponents(pathComponents) {
if (pathComponents && pathComponents.length) {
return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator);
}
}
ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents;
function getNormalizedPathComponentsOfUrl(url) {
var urlLength = url.length;
var rootLength = url.indexOf("://") + "://".length;
while (rootLength < urlLength) {
if (url.charCodeAt(rootLength) === 47 /* slash */) {
rootLength++;
}
else {
break;
}
}
if (rootLength === urlLength) {
return [url];
}
var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength);
if (indexOfNextSlash !== -1) {
rootLength = indexOfNextSlash + 1;
return normalizedPathComponents(url, rootLength);
}
else {
return [url + ts.directorySeparator];
}
}
function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) {
if (isUrl(pathOrUrl)) {
return getNormalizedPathComponentsOfUrl(pathOrUrl);
}
else {
return getNormalizedPathComponents(pathOrUrl, currentDirectory);
}
}
function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) {
var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory);
var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory);
if (directoryComponents.length > 1 && directoryComponents[directoryComponents.length - 1] === "") {
directoryComponents.length--;
}
for (var joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) {
if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) {
break;
}
}
if (joinStartIndex) {
var relativePath = "";
var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length);
for (; joinStartIndex < directoryComponents.length; joinStartIndex++) {
if (directoryComponents[joinStartIndex] !== "") {
relativePath = relativePath + ".." + ts.directorySeparator;
}
}
return relativePath + relativePathComponents.join(ts.directorySeparator);
}
var absolutePath = getNormalizedPathFromPathComponents(pathComponents);
if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) {
absolutePath = "file:///" + absolutePath;
}
return absolutePath;
}
ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl;
function getBaseFilename(path) {
var i = path.lastIndexOf(ts.directorySeparator);
return i < 0 ? path : path.substring(i + 1);
}
ts.getBaseFilename = getBaseFilename;
function combinePaths(path1, path2) {
if (!(path1 && path1.length))
return path2;
if (!(path2 && path2.length))
return path1;
if (path2.charAt(0) === ts.directorySeparator)
return path2;
if (path1.charAt(path1.length - 1) === ts.directorySeparator)
return path1 + path2;
return path1 + ts.directorySeparator + path2;
}
ts.combinePaths = combinePaths;
function fileExtensionIs(path, extension) {
var pathLen = path.length;
var extLen = extension.length;
return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension;
}
ts.fileExtensionIs = fileExtensionIs;
var supportedExtensions = [".d.ts", ".ts", ".js"];
function removeFileExtension(path) {
for (var i = 0; i < supportedExtensions.length; i++) {
var ext = supportedExtensions[i];
if (fileExtensionIs(path, ext)) {
return path.substr(0, path.length - ext.length);
}
}
return path;
}
ts.removeFileExtension = removeFileExtension;
var escapedCharsRegExp = /[\t\v\f\b\0\r\n\"\\\u2028\u2029\u0085]/g;
var escapedCharsMap = {
"\t": "\\t",
"\v": "\\v",
"\f": "\\f",
"\b": "\\b",
"\0": "\\0",
"\r": "\\r",
"\n": "\\n",
"\"": "\\\"",
"\u2028": "\\u2028",
"\u2029": "\\u2029",
"\u0085": "\\u0085"
};
function escapeString(s) {
return escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, function (c) {
return escapedCharsMap[c] || c;
}) : s;
}
ts.escapeString = escapeString;
function Symbol(flags, name) {
this.flags = flags;
this.name = name;
this.declarations = undefined;
}
function Type(checker, flags) {
this.flags = flags;
}
function Signature(checker) {
}
ts.objectAllocator = {
getNodeConstructor: function (kind) {
function Node() {
}
Node.prototype = {
kind: kind,
pos: 0,
end: 0,
flags: 0,
parent: undefined
};
return Node;
},
getSymbolConstructor: function () { return Symbol; },
getTypeConstructor: function () { return Type; },
getSignatureConstructor: function () { return Signature; }
};
var Debug;
(function (Debug) {
var currentAssertionLevel = 0 /* None */;
function shouldAssert(level) {
return currentAssertionLevel >= level;
}
Debug.shouldAssert = shouldAssert;
function assert(expression, message, verboseDebugInfo) {
if (!expression) {
var verboseDebugString = "";
if (verboseDebugInfo) {
verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo();
}
throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString);
}
}
Debug.assert = assert;
function fail(message) {
Debug.assert(false, message);
}
Debug.fail = fail;
})(Debug = ts.Debug || (ts.Debug = {}));
})(ts || (ts = {}));
var ts;
(function (ts) {
ts.sys = (function () {
function getWScriptSystem() {
var fso = new ActiveXObject("Scripting.FileSystemObject");
var fileStream = new ActiveXObject("ADODB.Stream");
fileStream.Type = 2;
var binaryStream = new ActiveXObject("ADODB.Stream");
binaryStream.Type = 1;
var args = [];
for (var i = 0; i < WScript.Arguments.length; i++) {
args[i] = WScript.Arguments.Item(i);
}
function readFile(fileName, encoding) {
if (!fso.FileExists(fileName)) {
return undefined;
}
fileStream.Open();
try {
if (encoding) {
fileStream.Charset = encoding;
fileStream.LoadFromFile(fileName);
}
else {
fileStream.Charset = "x-ansi";
fileStream.LoadFromFile(fileName);
var bom = fileStream.ReadText(2) || "";
fileStream.Position = 0;
fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8";
}
return fileStream.ReadText();
}
catch (e) {
throw e;
}
finally {
fileStream.Close();
}
}
function writeFile(fileName, data, writeByteOrderMark) {
fileStream.Open();
binaryStream.Open();
try {
fileStream.Charset = "utf-8";
fileStream.WriteText(data);
if (writeByteOrderMark) {
fileStream.Position = 0;
}
else {
fileStream.Position = 3;
}
fileStream.CopyTo(binaryStream);
binaryStream.SaveToFile(fileName, 2);
}
finally {
binaryStream.Close();
fileStream.Close();
}
}
return {
args: args,
newLine: "\r\n",
useCaseSensitiveFileNames: false,
write: function (s) {
WScript.StdOut.Write(s);
},
readFile: readFile,
writeFile: writeFile,
resolvePath: function (path) {
return fso.GetAbsolutePathName(path);
},
fileExists: function (path) {
return fso.FileExists(path);
},
directoryExists: function (path) {
return fso.FolderExists(path);
},
createDirectory: function (directoryName) {
if (!this.directoryExists(directoryName)) {
fso.CreateFolder(directoryName);
}
},
getExecutingFilePath: function () {
return WScript.ScriptFullName;
},
getCurrentDirectory: function () {
return new ActiveXObject("WScript.Shell").CurrentDirectory;
},
exit: function (exitCode) {
try {
WScript.Quit(exitCode);
}
catch (e) {
}
}
};
}
function getNodeSystem() {
var _fs = require("fs");
var _path = require("path");
var _os = require('os');
var platform = _os.platform();
var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin";
function readFile(fileName, encoding) {
if (!_fs.existsSync(fileName)) {
return undefined;
}
var buffer = _fs.readFileSync(fileName);
var len = buffer.length;
if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) {
len &= ~1;
for (var i = 0; i < len; i += 2) {
var temp = buffer[i];
buffer[i] = buffer[i + 1];
buffer[i + 1] = temp;
}
return buffer.toString("utf16le", 2);
}
if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) {
return buffer.toString("utf16le", 2);
}
if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) {
return buffer.toString("utf8", 3);
}
return buffer.toString("utf8");
}
function writeFile(fileName, data, writeByteOrderMark) {
if (writeByteOrderMark) {
data = '\uFEFF' + data;
}
_fs.writeFileSync(fileName, data, "utf8");
}
return {
args: process.argv.slice(2),
newLine: _os.EOL,
useCaseSensitiveFileNames: useCaseSensitiveFileNames,
write: function (s) {
_fs.writeSync(1, s);
},
readFile: readFile,
writeFile: writeFile,
watchFile: function (fileName, callback) {
_fs.watchFile(fileName, { persistent: true, interval: 250 }, fileChanged);
return {
close: function () {
_fs.unwatchFile(fileName, fileChanged);
}
};
function fileChanged(curr, prev) {
if (+curr.mtime <= +prev.mtime) {
return;
}
callback(fileName);
}
;
},
resolvePath: function (path) {
return _path.resolve(path);
},
fileExists: function (path) {
return _fs.existsSync(path);
},
directoryExists: function (path) {
return _fs.existsSync(path) && _fs.statSync(path).isDirectory();
},
createDirectory: function (directoryName) {
if (!this.directoryExists(directoryName)) {
_fs.mkdirSync(directoryName);
}
},
getExecutingFilePath: function () {
return __filename;
},
getCurrentDirectory: function () {
return process.cwd();
},
getMemoryUsage: function () {
if (global.gc) {
global.gc();
}
return process.memoryUsage().heapUsed;
},
exit: function (exitCode) {
process.exit(exitCode);
}
};
}
if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") {
return getWScriptSystem();
}
else if (typeof module !== "undefined" && module.exports) {
return getNodeSystem();
}
else {
return undefined;
}
})();
})(ts || (ts = {}));
var ts;
(function (ts) {
ts.Diagnostics = {
Unterminated_string_literal: { code: 1002, category: 1 /* Error */, key: "Unterminated string literal." },
Identifier_expected: { code: 1003, category: 1 /* Error */, key: "Identifier expected." },
_0_expected: { code: 1005, category: 1 /* Error */, key: "'{0}' expected." },
A_file_cannot_have_a_reference_to_itself: { code: 1006, category: 1 /* Error */, key: "A file cannot have a reference to itself." },
Trailing_comma_not_allowed: { code: 1009, category: 1 /* Error */, key: "Trailing comma not allowed." },
Asterisk_Slash_expected: { code: 1010, category: 1 /* Error */, key: "'*/' expected." },
Unexpected_token: { code: 1012, category: 1 /* Error */, key: "Unexpected token." },
Catch_clause_parameter_cannot_have_a_type_annotation: { code: 1013, category: 1 /* Error */, key: "Catch clause parameter cannot have a type annotation." },
A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: 1 /* Error */, key: "A rest parameter must be last in a parameter list." },
Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: 1 /* Error */, key: "Parameter cannot have question mark and initializer." },
A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: 1 /* Error */, key: "A required parameter cannot follow an optional parameter." },
An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: 1 /* Error */, key: "An index signature cannot have a rest parameter." },
An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: 1 /* Error */, key: "An index signature parameter cannot have an accessibility modifier." },
An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: 1 /* Error */, key: "An index signature parameter cannot have a question mark." },
An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: 1 /* Error */, key: "An index signature parameter cannot have an initializer." },
An_index_signature_must_have_a_type_annotation: { code: 1021, category: 1 /* Error */, key: "An index signature must have a type annotation." },
An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: 1 /* Error */, key: "An index signature parameter must have a type annotation." },
An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: 1 /* Error */, key: "An index signature parameter type must be 'string' or 'number'." },
A_class_or_interface_declaration_can_only_have_one_extends_clause: { code: 1024, category: 1 /* Error */, key: "A class or interface declaration can only have one 'extends' clause." },
An_extends_clause_must_precede_an_implements_clause: { code: 1025, category: 1 /* Error */, key: "An 'extends' clause must precede an 'implements' clause." },
A_class_can_only_extend_a_single_class: { code: 1026, category: 1 /* Error */, key: "A class can only extend a single class." },
A_class_declaration_can_only_have_one_implements_clause: { code: 1027, category: 1 /* Error */, key: "A class declaration can only have one 'implements' clause." },
Accessibility_modifier_already_seen: { code: 1028, category: 1 /* Error */, key: "Accessibility modifier already seen." },
_0_modifier_must_precede_1_modifier: { code: 1029, category: 1 /* Error */, key: "'{0}' modifier must precede '{1}' modifier." },
_0_modifier_already_seen: { code: 1030, category: 1 /* Error */, key: "'{0}' modifier already seen." },
_0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: 1 /* Error */, key: "'{0}' modifier cannot appear on a class element." },
An_interface_declaration_cannot_have_an_implements_clause: { code: 1032, category: 1 /* Error */, key: "An interface declaration cannot have an 'implements' clause." },
super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: 1 /* Error */, key: "'super' must be followed by an argument list or member access." },
Only_ambient_modules_can_use_quoted_names: { code: 1035, category: 1 /* Error */, key: "Only ambient modules can use quoted names." },
Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: 1 /* Error */, key: "Statements are not allowed in ambient contexts." },
A_function_implementation_cannot_be_declared_in_an_ambient_context: { code: 1037, category: 1 /* Error */, key: "A function implementation cannot be declared in an ambient context." },
A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: 1 /* Error */, key: "A 'declare' modifier cannot be used in an already ambient context." },
Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: 1 /* Error */, key: "Initializers are not allowed in ambient contexts." },
_0_modifier_cannot_appear_on_a_module_element: { code: 1044, category: 1 /* Error */, key: "'{0}' modifier cannot appear on a module element." },
A_declare_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: 1 /* Error */, key: "A 'declare' modifier cannot be used with an interface declaration." },
A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: 1 /* Error */, key: "A 'declare' modifier is required for a top level declaration in a .d.ts file." },
A_rest_parameter_cannot_be_optional: { code: 1047, category: 1 /* Error */, key: "A rest parameter cannot be optional." },
A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: 1 /* Error */, key: "A rest parameter cannot have an initializer." },
A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: 1 /* Error */, key: "A 'set' accessor must have exactly one parameter." },
A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: 1 /* Error */, key: "A 'set' accessor cannot have an optional parameter." },
A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: 1 /* Error */, key: "A 'set' accessor parameter cannot have an initializer." },
A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: 1 /* Error */, key: "A 'set' accessor cannot have rest parameter." },
A_get_accessor_cannot_have_parameters: { code: 1054, category: 1 /* Error */, key: "A 'get' accessor cannot have parameters." },
Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: 1 /* Error */, key: "Accessors are only available when targeting ECMAScript 5 and higher." },
Enum_member_must_have_initializer: { code: 1061, category: 1 /* Error */, key: "Enum member must have initializer." },
An_export_assignment_cannot_be_used_in_an_internal_module: { code: 1063, category: 1 /* Error */, key: "An export assignment cannot be used in an internal module." },
Ambient_enum_elements_can_only_have_integer_literal_initializers: { code: 1066, category: 1 /* Error */, key: "Ambient enum elements can only have integer literal initializers." },
Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: 1 /* Error */, key: "Unexpected token. A constructor, method, accessor, or property was expected." },
A_declare_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: 1 /* Error */, key: "A 'declare' modifier cannot be used with an import declaration." },
Invalid_reference_directive_syntax: { code: 1084, category: 1 /* Error */, key: "Invalid 'reference' directive syntax." },
Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: 1 /* Error */, key: "Octal literals are not available when targeting ECMAScript 5 and higher." },
An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: 1 /* Error */, key: "An accessor cannot be declared in an ambient context." },
_0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: 1 /* Error */, key: "'{0}' modifier cannot appear on a constructor declaration." },
_0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: 1 /* Error */, key: "'{0}' modifier cannot appear on a parameter." },
Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: 1 /* Error */, key: "Only a single variable declaration is allowed in a 'for...in' statement." },
Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: 1 /* Error */, key: "Type parameters cannot appear on a constructor declaration." },
Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: 1 /* Error */, key: "Type annotation cannot appear on a constructor declaration." },
An_accessor_cannot_have_type_parameters: { code: 1094, category: 1 /* Error */, key: "An accessor cannot have type parameters." },
A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: 1 /* Error */, key: "A 'set' accessor cannot have a return type annotation." },
An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: 1 /* Error */, key: "An index signature must have exactly one parameter." },
_0_list_cannot_be_empty: { code: 1097, category: 1 /* Error */, key: "'{0}' list cannot be empty." },
Type_parameter_list_cannot_be_empty: { code: 1098, category: 1 /* Error */, key: "Type parameter list cannot be empty." },
Type_argument_list_cannot_be_empty: { code: 1099, category: 1 /* Error */, key: "Type argument list cannot be empty." },
Invalid_use_of_0_in_strict_mode: { code: 1100, category: 1 /* Error */, key: "Invalid use of '{0}' in strict mode." },
with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: 1 /* Error */, key: "'with' statements are not allowed in strict mode." },
delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: 1 /* Error */, key: "'delete' cannot be called on an identifier in strict mode." },
A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: 1 /* Error */, key: "A 'continue' statement can only be used within an enclosing iteration statement." },
A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: 1 /* Error */, key: "A 'break' statement can only be used within an enclosing iteration or switch statement." },
Jump_target_cannot_cross_function_boundary: { code: 1107, category: 1 /* Error */, key: "Jump target cannot cross function boundary." },
A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: 1 /* Error */, key: "A 'return' statement can only be used within a function body." },
Expression_expected: { code: 1109, category: 1 /* Error */, key: "Expression expected." },
Type_expected: { code: 1110, category: 1 /* Error */, key: "Type expected." },
A_constructor_implementation_cannot_be_declared_in_an_ambient_context: { code: 1111, category: 1 /* Error */, key: "A constructor implementation cannot be declared in an ambient context." },
A_class_member_cannot_be_declared_optional: { code: 1112, category: 1 /* Error */, key: "A class member cannot be declared optional." },
A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: 1 /* Error */, key: "A 'default' clause cannot appear more than once in a 'switch' statement." },
Duplicate_label_0: { code: 1114, category: 1 /* Error */, key: "Duplicate label '{0}'" },
A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: 1 /* Error */, key: "A 'continue' statement can only jump to a label of an enclosing iteration statement." },
A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: 1 /* Error */, key: "A 'break' statement can only jump to a label of an enclosing statement." },
An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: 1 /* Error */, key: "An object literal cannot have multiple properties with the same name in strict mode." },
An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: 1 /* Error */, key: "An object literal cannot have multiple get/set accessors with the same name." },
An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: 1 /* Error */, key: "An object literal cannot have property and accessor with the same name." },
An_export_assignment_cannot_have_modifiers: { code: 1120, category: 1 /* Error */, key: "An export assignment cannot have modifiers." },
Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: 1 /* Error */, key: "Octal literals are not allowed in strict mode." },
A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: 1 /* Error */, key: "A tuple type element list cannot be empty." },
Variable_declaration_list_cannot_be_empty: { code: 1123, category: 1 /* Error */, key: "Variable declaration list cannot be empty." },
Digit_expected: { code: 1124, category: 1 /* Error */, key: "Digit expected." },
Hexadecimal_digit_expected: { code: 1125, category: 1 /* Error */, key: "Hexadecimal digit expected." },
Unexpected_end_of_text: { code: 1126, category: 1 /* Error */, key: "Unexpected end of text." },
Invalid_character: { code: 1127, category: 1 /* Error */, key: "Invalid character." },
Declaration_or_statement_expected: { code: 1128, category: 1 /* Error */, key: "Declaration or statement expected." },
Statement_expected: { code: 1129, category: 1 /* Error */, key: "Statement expected." },
case_or_default_expected: { code: 1130, category: 1 /* Error */, key: "'case' or 'default' expected." },
Property_or_signature_expected: { code: 1131, category: 1 /* Error */, key: "Property or signature expected." },
Enum_member_expected: { code: 1132, category: 1 /* Error */, key: "Enum member expected." },
Type_reference_expected: { code: 1133, category: 1 /* Error */, key: "Type reference expected." },
Variable_declaration_expected: { code: 1134, category: 1 /* Error */, key: "Variable declaration expected." },
Argument_expression_expected: { code: 1135, category: 1 /* Error */, key: "Argument expression expected." },
Property_assignment_expected: { code: 1136, category: 1 /* Error */, key: "Property assignment expected." },
Expression_or_comma_expected: { code: 1137, category: 1 /* Error */, key: "Expression or comma expected." },
Parameter_declaration_expected: { code: 1138, category: 1 /* Error */, key: "Parameter declaration expected." },
Type_parameter_declaration_expected: { code: 1139, category: 1 /* Error */, key: "Type parameter declaration expected." },
Type_argument_expected: { code: 1140, category: 1 /* Error */, key: "Type argument expected." },
String_literal_expected: { code: 1141, category: 1 /* Error */, key: "String literal expected." },
Line_break_not_permitted_here: { code: 1142, category: 1 /* Error */, key: "Line break not permitted here." },
or_expected: { code: 1144, category: 1 /* Error */, key: "'{' or ';' expected." },
Modifiers_not_permitted_on_index_signature_members: { code: 1145, category: 1 /* Error */, key: "Modifiers not permitted on index signature members." },
Declaration_expected: { code: 1146, category: 1 /* Error */, key: "Declaration expected." },
Import_declarations_in_an_internal_module_cannot_reference_an_external_module: { code: 1147, category: 1 /* Error */, key: "Import declarations in an internal module cannot reference an external module." },
Cannot_compile_external_modules_unless_the_module_flag_is_provided: { code: 1148, category: 1 /* Error */, key: "Cannot compile external modules unless the '--module' flag is provided." },
Filename_0_differs_from_already_included_filename_1_only_in_casing: { code: 1149, category: 1 /* Error */, key: "Filename '{0}' differs from already included filename '{1}' only in casing" },
new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: 1 /* Error */, key: "'new T[]' cannot be used to create an array. Use 'new Array<T>()' instead." },
var_let_or_const_expected: { code: 1152, category: 1 /* Error */, key: "'var', 'let' or 'const' expected." },
let_declarations_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1153, category: 1 /* Error */, key: "'let' declarations are only available when targeting ECMAScript 6 and higher." },
const_declarations_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1154, category: 1 /* Error */, key: "'const' declarations are only available when targeting ECMAScript 6 and higher." },
const_declarations_must_be_initialized: { code: 1155, category: 1 /* Error */, key: "'const' declarations must be initialized" },
const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: 1 /* Error */, key: "'const' declarations can only be declared inside a block." },
let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: 1 /* Error */, key: "'let' declarations can only be declared inside a block." },
Tagged_templates_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1159, category: 1 /* Error */, key: "Tagged templates are only available when targeting ECMAScript 6 and higher." },
Unterminated_template_literal: { code: 1160, category: 1 /* Error */, key: "Unterminated template literal." },
Unterminated_regular_expression_literal: { code: 1161, category: 1 /* Error */, key: "Unterminated regular expression literal." },
An_object_member_cannot_be_declared_optional: { code: 1162, category: 1 /* Error */, key: "An object member cannot be declared optional." },
yield_expression_must_be_contained_within_a_generator_declaration: { code: 1163, category: 1 /* Error */, key: "'yield' expression must be contained_within a generator declaration." },
Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: 1 /* Error */, key: "Computed property names are not allowed in enums." },
Computed_property_names_are_not_allowed_in_an_ambient_context: { code: 1165, category: 1 /* Error */, key: "Computed property names are not allowed in an ambient context." },
Computed_property_names_are_not_allowed_in_class_property_declarations: { code: 1166, category: 1 /* Error */, key: "Computed property names are not allowed in class property declarations." },
Computed_property_names_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1167, category: 1 /* Error */, key: "Computed property names are only available when targeting ECMAScript 6 and higher." },
Computed_property_names_are_not_allowed_in_method_overloads: { code: 1168, category: 1 /* Error */, key: "Computed property names are not allowed in method overloads." },
Computed_property_names_are_not_allowed_in_interfaces: { code: 1169, category: 1 /* Error */, key: "Computed property names are not allowed in interfaces." },
Computed_property_names_are_not_allowed_in_type_literals: { code: 1170, category: 1 /* Error */, key: "Computed property names are not allowed in type literals." },
A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: 1 /* Error */, key: "A comma expression is not allowed in a computed property name." },
extends_clause_already_seen: { code: 1172, category: 1 /* Error */, key: "'extends' clause already seen." },
extends_clause_must_precede_implements_clause: { code: 1173, category: 1 /* Error */, key: "'extends' clause must precede 'implements' clause." },
Classes_can_only_extend_a_single_class: { code: 1174, category: 1 /* Error */, key: "Classes can only extend a single class." },
implements_clause_already_seen: { code: 1175, category: 1 /* Error */, key: "'implements' clause already seen." },
Interface_declaration_cannot_have_implements_clause: { code: 1176, category: 1 /* Error */, key: "Interface declaration cannot have 'implements' clause." },
Binary_digit_expected: { code: 1177, category: 1 /* Error */, key: "Binary digit expected." },
Octal_digit_expected: { code: 1178, category: 1 /* Error */, key: "Octal digit expected." },
Unexpected_token_expected: { code: 1179, category: 1 /* Error */, key: "Unexpected token. '{' expected." },
Duplicate_identifier_0: { code: 2300, category: 1 /* Error */, key: "Duplicate identifier '{0}'." },
Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: 1 /* Error */, key: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." },
Static_members_cannot_reference_class_type_parameters: { code: 2302, category: 1 /* Error */, key: "Static members cannot reference class type parameters." },
Circular_definition_of_import_alias_0: { code: 2303, category: 1 /* Error */, key: "Circular definition of import alias '{0}'." },
Cannot_find_name_0: { code: 2304, category: 1 /* Error */, key: "Cannot find name '{0}'." },
Module_0_has_no_exported_member_1: { code: 2305, category: 1 /* Error */, key: "Module '{0}' has no exported member '{1}'." },
File_0_is_not_an_external_module: { code: 2306, category: 1 /* Error */, key: "File '{0}' is not an external module." },
Cannot_find_external_module_0: { code: 2307, category: 1 /* Error */, key: "Cannot find external module '{0}'." },
A_module_cannot_have_more_than_one_export_assignment: { code: 2308, category: 1 /* Error */, key: "A module cannot have more than one export assignment." },
An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: 1 /* Error */, key: "An export assignment cannot be used in a module with other exported elements." },
Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: 1 /* Error */, key: "Type '{0}' recursively references itself as a base type." },
A_class_may_only_extend_another_class: { code: 2311, category: 1 /* Error */, key: "A class may only extend another class." },
An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: 1 /* Error */, key: "An interface may only extend a class or another interface." },
Constraint_of_a_type_parameter_cannot_reference_any_type_parameter_from_the_same_type_parameter_list: { code: 2313, category: 1 /* Error */, key: "Constraint of a type parameter cannot reference any type parameter from the same type parameter list." },
Generic_type_0_requires_1_type_argument_s: { code: 2314, category: 1 /* Error */, key: "Generic type '{0}' requires {1} type argument(s)." },
Type_0_is_not_generic: { code: 2315, category: 1 /* Error */, key: "Type '{0}' is not generic." },
Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: 1 /* Error */, key: "Global type '{0}' must be a class or interface type." },
Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: 1 /* Error */, key: "Global type '{0}' must have {1} type parameter(s)." },
Cannot_find_global_type_0: { code: 2318, category: 1 /* Error */, key: "Cannot find global type '{0}'." },
Named_properties_0_of_types_1_and_2_are_not_identical: { code: 2319, category: 1 /* Error */, key: "Named properties '{0}' of types '{1}' and '{2}' are not identical." },
Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: 1 /* Error */, key: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." },
Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: 1 /* Error */, key: "Excessive stack depth comparing types '{0}' and '{1}'." },
Type_0_is_not_assignable_to_type_1: { code: 2322, category: 1 /* Error */, key: "Type '{0}' is not assignable to type '{1}'." },
Property_0_is_missing_in_type_1: { code: 2324, category: 1 /* Error */, key: "Property '{0}' is missing in type '{1}'." },
Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: 1 /* Error */, key: "Property '{0}' is private in type '{1}' but not in type '{2}'." },
Types_of_property_0_are_incompatible: { code: 2326, category: 1 /* Error */, key: "Types of property '{0}' are incompatible." },
Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: 1 /* Error */, key: "Property '{0}' is optional in type '{1}' but required in type '{2}'." },
Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: 1 /* Error */, key: "Types of parameters '{0}' and '{1}' are incompatible." },
Index_signature_is_missing_in_type_0: { code: 2329, category: 1 /* Error */, key: "Index signature is missing in type '{0}'." },
Index_signatures_are_incompatible: { code: 2330, category: 1 /* Error */, key: "Index signatures are incompatible." },
this_cannot_be_referenced_in_a_module_body: { code: 2331, category: 1 /* Error */, key: "'this' cannot be referenced in a module body." },
this_cannot_be_referenced_in_current_location: { code: 2332, category: 1 /* Error */, key: "'this' cannot be referenced in current location." },
this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: 1 /* Error */, key: "'this' cannot be referenced in constructor arguments." },
this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: 1 /* Error */, key: "'this' cannot be referenced in a static property initializer." },
super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: 1 /* Error */, key: "'super' can only be referenced in a derived class." },
super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: 1 /* Error */, key: "'super' cannot be referenced in constructor arguments." },
Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: 1 /* Error */, key: "Super calls are not permitted outside constructors or in nested functions inside constructors" },
super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: 1 /* Error */, key: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class" },
Property_0_does_not_exist_on_type_1: { code: 2339, category: 1 /* Error */, key: "Property '{0}' does not exist on type '{1}'." },
Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: 1 /* Error */, key: "Only public and protected methods of the base class are accessible via the 'super' keyword" },
Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: 1 /* Error */, key: "Property '{0}' is private and only accessible within class '{1}'." },
An_index_expression_argument_must_be_of_type_string_number_or_any: { code: 2342, category: 1 /* Error */, key: "An index expression argument must be of type 'string', 'number', or 'any'." },
Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: 1 /* Error */, key: "Type '{0}' does not satisfy the constraint '{1}'." },
Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: 1 /* Error */, key: "Argument of type '{0}' is not assignable to parameter of type '{1}'." },
Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: 1 /* Error */, key: "Supplied parameters do not match any signature of call target." },
Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: 1 /* Error */, key: "Untyped function calls may not accept type arguments." },
Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: 1 /* Error */, key: "Value of type '{0}' is not callable. Did you mean to include 'new'?" },
Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: 1 /* Error */, key: "Cannot invoke an expression whose type lacks a call signature." },
Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: 1 /* Error */, key: "Only a void function can be called with the 'new' keyword." },
Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: 1 /* Error */, key: "Cannot use 'new' with an expression whose type lacks a call or construct signature." },
Neither_type_0_nor_type_1_is_assignable_to_the_other: { code: 2352, category: 1 /* Error */, key: "Neither type '{0}' nor type '{1}' is assignable to the other." },
No_best_common_type_exists_among_return_expressions: { code: 2354, category: 1 /* Error */, key: "No best common type exists among return expressions." },
A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_or_consist_of_a_single_throw_statement: { code: 2355, category: 1 /* Error */, key: "A function whose declared type is neither 'void' nor 'any' must return a value or consist of a single 'throw' statement." },
An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: 1 /* Error */, key: "An arithmetic operand must be of type 'any', 'number' or an enum type." },
The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: 1 /* Error */, key: "The operand of an increment or decrement operator must be a variable, property or indexer." },
The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: 1 /* Error */, key: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." },
The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: 1 /* Error */, key: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." },
The_left_hand_side_of_an_in_expression_must_be_of_types_any_string_or_number: { code: 2360, category: 1 /* Error */, key: "The left-hand side of an 'in' expression must be of types 'any', 'string' or 'number'." },
The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: 1 /* Error */, key: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" },
The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: 1 /* Error */, key: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." },
The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: 1 /* Error */, key: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." },
Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: 1 /* Error */, key: "Invalid left-hand side of assignment expression." },
Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: 1 /* Error */, key: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." },
Type_parameter_name_cannot_be_0: { code: 2368, category: 1 /* Error */, key: "Type parameter name cannot be '{0}'" },
A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: 1 /* Error */, key: "A parameter property is only allowed in a constructor implementation." },
A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: 1 /* Error */, key: "A rest parameter must be of an array type." },
A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: 1 /* Error */, key: "A parameter initializer is only allowed in a function or constructor implementation." },
Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: 1 /* Error */, key: "Parameter '{0}' cannot be referenced in its initializer." },
Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: 1 /* Error */, key: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." },
Duplicate_string_index_signature: { code: 2374, category: 1 /* Error */, key: "Duplicate string index signature." },
Duplicate_number_index_signature: { code: 2375, category: 1 /* Error */, key: "Duplicate number index signature." },
A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: 1 /* Error */, key: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." },
Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: 1 /* Error */, key: "Constructors for derived classes must contain a 'super' call." },
A_get_accessor_must_return_a_value_or_consist_of_a_single_throw_statement: { code: 2378, category: 1 /* Error */, key: "A 'get' accessor must return a value or consist of a single 'throw' statement." },
Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: 1 /* Error */, key: "Getter and setter accessors do not agree in visibility." },
get_and_set_accessor_must_have_the_same_type: { code: 2380, category: 1 /* Error */, key: "'get' and 'set' accessor must have the same type." },
A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: 1 /* Error */, key: "A signature with an implementation cannot use a string literal type." },
Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: 1 /* Error */, key: "Specialized overload signature is not assignable to any non-specialized signature." },
Overload_signatures_must_all_be_exported_or_not_exported: { code: 2383, category: 1 /* Error */, key: "Overload signatures must all be exported or not exported." },
Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: 1 /* Error */, key: "Overload signatures must all be ambient or non-ambient." },
Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: 1 /* Error */, key: "Overload signatures must all be public, private or protected." },
Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: 1 /* Error */, key: "Overload signatures must all be optional or required." },
Function_overload_must_be_static: { code: 2387, category: 1 /* Error */, key: "Function overload must be static." },
Function_overload_must_not_be_static: { code: 2388, category: 1 /* Error */, key: "Function overload must not be static." },
Function_implementation_name_must_be_0: { code: 2389, category: 1 /* Error */, key: "Function implementation name must be '{0}'." },
Constructor_implementation_is_missing: { code: 2390, category: 1 /* Error */, key: "Constructor implementation is missing." },
Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: 1 /* Error */, key: "Function implementation is missing or not immediately following the declaration." },
Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: 1 /* Error */, key: "Multiple constructor implementations are not allowed." },
Duplicate_function_implementation: { code: 2393, category: 1 /* Error */, key: "Duplicate function implementation." },
Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: 1 /* Error */, key: "Overload signature is not compatible with function implementation." },
Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: 1 /* Error */, key: "Individual declarations in merged declaration {0} must be all exported or all local." },
Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: 1 /* Error */, key: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." },
Duplicate_identifier_i_Compiler_uses_i_to_initialize_rest_parameter: { code: 2397, category: 1 /* Error */, key: "Duplicate identifier '_i'. Compiler uses '_i' to initialize rest parameter." },
Expression_resolves_to_variable_declaration_i_that_compiler_uses_to_initialize_rest_parameter: { code: 2398, category: 1 /* Error */, key: "Expression resolves to variable declaration '_i' that compiler uses to initialize rest parameter." },
Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: 1 /* Error */, key: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." },
Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: 1 /* Error */, key: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." },
Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: 1 /* Error */, key: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." },
Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: 1 /* Error */, key: "Expression resolves to '_super' that compiler uses to capture base class reference." },
Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: 1 /* Error */, key: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." },
The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: 1 /* Error */, key: "The left-hand side of a 'for...in' statement cannot use a type annotation." },
The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: 1 /* Error */, key: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." },
Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: 1 /* Error */, key: "Invalid left-hand side in 'for...in' statement." },
The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: 1 /* Error */, key: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." },
Setters_cannot_return_a_value: { code: 2408, category: 1 /* Error */, key: "Setters cannot return a value." },
Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: 1 /* Error */, key: "Return type of constructor signature must be assignable to the instance type of the class" },
All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: 1 /* Error */, key: "All symbols within a 'with' block will be resolved to 'any'." },
Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: 1 /* Error */, key: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." },
Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: 1 /* Error */, key: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." },
Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: 1 /* Error */, key: "Numeric index type '{0}' is not assignable to string index type '{1}'." },
Class_name_cannot_be_0: { code: 2414, category: 1 /* Error */, key: "Class name cannot be '{0}'" },
Class_0_incorrectly_extends_base_class_1: { code: 2415, category: 1 /* Error */, key: "Class '{0}' incorrectly extends base class '{1}'." },
Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: 1 /* Error */, key: "Class static side '{0}' incorrectly extends base class static side '{1}'." },
Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: { code: 2419, category: 1 /* Error */, key: "Type name '{0}' in extends clause does not reference constructor function for '{0}'." },
Class_0_incorrectly_implements_interface_1: { code: 2420, category: 1 /* Error */, key: "Class '{0}' incorrectly implements interface '{1}'." },
A_class_may_only_implement_another_class_or_interface: { code: 2422, category: 1 /* Error */, key: "A class may only implement another class or interface." },
Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: 1 /* Error */, key: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." },
Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: 1 /* Error */, key: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." },
Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: 1 /* Error */, key: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." },
Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: 1 /* Error */, key: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." },
Interface_name_cannot_be_0: { code: 2427, category: 1 /* Error */, key: "Interface name cannot be '{0}'" },
All_declarations_of_an_interface_must_have_identical_type_parameters: { code: 2428, category: 1 /* Error */, key: "All declarations of an interface must have identical type parameters." },
Interface_0_incorrectly_extends_interface_1: { code: 2430, category: 1 /* Error */, key: "Interface '{0}' incorrectly extends interface '{1}'." },
Enum_name_cannot_be_0: { code: 2431, category: 1 /* Error */, key: "Enum name cannot be '{0}'" },
In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: 1 /* Error */, key: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." },
A_module_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: 1 /* Error */, key: "A module declaration cannot be in a different file from a class or function with which it is merged" },
A_module_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: 1 /* Error */, key: "A module declaration cannot be located prior to a class or function with which it is merged" },
Ambient_external_modules_cannot_be_nested_in_other_modules: { code: 2435, category: 1 /* Error */, key: "Ambient external modules cannot be nested in other modules." },
Ambient_external_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: 1 /* Error */, key: "Ambient external module declaration cannot specify relative module name." },
Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: 1 /* Error */, key: "Module '{0}' is hidden by a local declaration with the same name" },
Import_name_cannot_be_0: { code: 2438, category: 1 /* Error */, key: "Import name cannot be '{0}'" },
Import_declaration_in_an_ambient_external_module_declaration_cannot_reference_external_module_through_relative_external_module_name: { code: 2439, category: 1 /* Error */, key: "Import declaration in an ambient external module declaration cannot reference external module through relative external module name." },
Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: 1 /* Error */, key: "Import declaration conflicts with local declaration of '{0}'" },
Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_an_external_module: { code: 2441, category: 1 /* Error */, key: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of an external module." },
Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: 1 /* Error */, key: "Types have separate declarations of a private property '{0}'." },
Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: 1 /* Error */, key: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." },
Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: 1 /* Error */, key: "Property '{0}' is protected in type '{1}' but public in type '{2}'." },
Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: 1 /* Error */, key: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." },
Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: 1 /* Error */, key: "Property '{0}' is protected and only accessible through an instance of class '{1}'." },
The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: 1 /* Error */, key: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." },
Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: 1 /* Error */, key: "Block-scoped variable '{0}' used before its declaration.", isEarly: true },
The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: { code: 2449, category: 1 /* Error */, key: "The operand of an increment or decrement operator cannot be a constant.", isEarly: true },
Left_hand_side_of_assignment_expression_cannot_be_a_constant: { code: 2450, category: 1 /* Error */, key: "Left-hand side of assignment expression cannot be a constant.", isEarly: true },
Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: 1 /* Error */, key: "Cannot redeclare block-scoped variable '{0}'.", isEarly: true },
An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: 1 /* Error */, key: "An enum member cannot have a numeric name." },
The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: 1 /* Error */, key: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." },
Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: 1 /* Error */, key: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." },
Type_alias_0_circularly_references_itself: { code: 2456, category: 1 /* Error */, key: "Type alias '{0}' circularly references itself." },
Type_alias_name_cannot_be_0: { code: 2457, category: 1 /* Error */, key: "Type alias name cannot be '{0}'" },
An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: 1 /* Error */, key: "An AMD module cannot have multiple name assignments." },
Import_declaration_0_is_using_private_name_1: { code: 4000, category: 1 /* Error */, key: "Import declaration '{0}' is using private name '{1}'." },
Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: 1 /* Error */, key: "Type parameter '{0}' of exported class has or is using private name '{1}'." },
Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: 1 /* Error */, key: "Type parameter '{0}' of exported interface has or is using private name '{1}'." },
Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: 1 /* Error */, key: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." },
Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: 1 /* Error */, key: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." },
Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: 1 /* Error */, key: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." },
Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: 1 /* Error */, key: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." },
Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: 1 /* Error */, key: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." },
Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: 1 /* Error */, key: "Type parameter '{0}' of exported function has or is using private name '{1}'." },
Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: 1 /* Error */, key: "Implements clause of exported class '{0}' has or is using private name '{1}'." },
Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: 1 /* Error */, key: "Extends clause of exported class '{0}' has or is using private name '{1}'." },
Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: 1 /* Error */, key: "Extends clause of exported interface '{0}' has or is using private name '{1}'." },
Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: 1 /* Error */, key: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." },
Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: 1 /* Error */, key: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." },
Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: 1 /* Error */, key: "Exported variable '{0}' has or is using private name '{1}'." },
Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: 1 /* Error */, key: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." },
Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: 1 /* Error */, key: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." },
Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: 1 /* Error */, key: "Public static property '{0}' of exported class has or is using private name '{1}'." },
Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: 1 /* Error */, key: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." },
Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: 1 /* Error */, key: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." },
Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: 1 /* Error */, key: "Public property '{0}' of exported class has or is using private name '{1}'." },
Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: 1 /* Error */, key: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." },
Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: 1 /* Error */, key: "Property '{0}' of exported interface has or is using private name '{1}'." },
Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: 1 /* Error */, key: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: 1 /* Error */, key: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." },
Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: 1 /* Error */, key: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: 1 /* Error */, key: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." },
Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: 1 /* Error */, key: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: 1 /* Error */, key: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." },
Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: 1 /* Error */, key: "Return type of public static property getter from exported class has or is using private name '{0}'." },
Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: 1 /* Error */, key: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: 1 /* Error */, key: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." },
Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: 1 /* Error */, key: "Return type of public property getter from exported class has or is using private name '{0}'." },
Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: 1 /* Error */, key: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." },
Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: 1 /* Error */, key: "Return type of constructor signature from exported interface has or is using private name '{0}'." },
Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: 1 /* Error */, key: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." },
Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: 1 /* Error */, key: "Return type of call signature from exported interface has or is using private name '{0}'." },
Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: 1 /* Error */, key: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." },
Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: 1 /* Error */, key: "Return type of index signature from exported interface has or is using private name '{0}'." },
Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: 1 /* Error */, key: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: 1 /* Error */, key: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." },
Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: 1 /* Error */, key: "Return type of public static method from exported class has or is using private name '{0}'." },
Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: 1 /* Error */, key: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: 1 /* Error */, key: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." },
Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: 1 /* Error */, key: "Return type of public method from exported class has or is using private name '{0}'." },
Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: 1 /* Error */, key: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." },
Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: 1 /* Error */, key: "Return type of method from exported interface has or is using private name '{0}'." },
Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: 1 /* Error */, key: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." },
Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: 1 /* Error */, key: "Return type of exported function has or is using name '{0}' from private module '{1}'." },
Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: 1 /* Error */, key: "Return type of exported function has or is using private name '{0}'." },
Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: 1 /* Error */, key: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." },
Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: 1 /* Error */, key: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: 1 /* Error */, key: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." },
Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: 1 /* Error */, key: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: 1 /* Error */, key: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." },
Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: 1 /* Error */, key: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: 1 /* Error */, key: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." },
Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: 1 /* Error */, key: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." },
Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: 1 /* Error */, key: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: 1 /* Error */, key: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." },
Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: 1 /* Error */, key: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." },
Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: 1 /* Error */, key: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: 1 /* Error */, key: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." },
Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: 1 /* Error */, key: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: 1 /* Error */, key: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." },
Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: 1 /* Error */, key: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." },
Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: 1 /* Error */, key: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." },
Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: 1 /* Error */, key: "Parameter '{0}' of exported function has or is using private name '{1}'." },
Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: 1 /* Error */, key: "Exported type alias '{0}' has or is using private name '{1}'." },
Enum_declarations_must_all_be_const_or_non_const: { code: 4082, category: 1 /* Error */, key: "Enum declarations must all be const or non-const." },
In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 4083, category: 1 /* Error */, key: "In 'const' enum declarations member initializer must be constant expression.", isEarly: true },
const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 4084, category: 1 /* Error */, key: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." },
Index_expression_arguments_in_const_enums_must_be_of_type_string: { code: 4085, category: 1 /* Error */, key: "Index expression arguments in 'const' enums must be of type 'string'." },
const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 4086, category: 1 /* Error */, key: "'const' enum member initializer was evaluated to a non-finite value." },
const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 4087, category: 1 /* Error */, key: "'const' enum member initializer was evaluated to disallowed value 'NaN'." },
The_current_host_does_not_support_the_0_option: { code: 5001, category: 1 /* Error */, key: "The current host does not support the '{0}' option." },
Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: 1 /* Error */, key: "Cannot find the common subdirectory path for the input files." },
Cannot_read_file_0_Colon_1: { code: 5012, category: 1 /* Error */, key: "Cannot read file '{0}': {1}" },
Unsupported_file_encoding: { code: 5013, category: 1 /* Error */, key: "Unsupported file encoding." },
Unknown_compiler_option_0: { code: 5023, category: 1 /* Error */, key: "Unknown compiler option '{0}'." },
Could_not_write_file_0_Colon_1: { code: 5033, category: 1 /* Error */, key: "Could not write file '{0}': {1}" },
Option_mapRoot_cannot_be_specified_without_specifying_sourcemap_option: { code: 5038, category: 1 /* Error */, key: "Option mapRoot cannot be specified without specifying sourcemap option." },
Option_sourceRoot_cannot_be_specified_without_specifying_sourcemap_option: { code: 5039, category: 1 /* Error */, key: "Option sourceRoot cannot be specified without specifying sourcemap option." },
Concatenate_and_emit_output_to_single_file: { code: 6001, category: 2 /* Message */, key: "Concatenate and emit output to single file." },
Generates_corresponding_d_ts_file: { code: 6002, category: 2 /* Message */, key: "Generates corresponding '.d.ts' file." },
Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: 2 /* Message */, key: "Specifies the location where debugger should locate map files instead of generated locations." },
Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: 2 /* Message */, key: "Specifies the location where debugger should locate TypeScript files instead of source locations." },
Watch_input_files: { code: 6005, category: 2 /* Message */, key: "Watch input files." },
Redirect_output_structure_to_the_directory: { code: 6006, category: 2 /* Message */, key: "Redirect output structure to the directory." },
Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: 2 /* Message */, key: "Do not erase const enum declarations in generated code." },
Do_not_emit_outputs_if_any_type_checking_errors_were_reported: { code: 6008, category: 2 /* Message */, key: "Do not emit outputs if any type checking errors were reported." },
Do_not_emit_comments_to_output: { code: 6009, category: 2 /* Message */, key: "Do not emit comments to output." },
Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES6_experimental: { code: 6015, category: 2 /* Message */, key: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES6' (experimental)" },
Specify_module_code_generation_Colon_commonjs_or_amd: { code: 6016, category: 2 /* Message */, key: "Specify module code generation: 'commonjs' or 'amd'" },
Print_this_message: { code: 6017, category: 2 /* Message */, key: "Print this message." },
Print_the_compiler_s_version: { code: 6019, category: 2 /* Message */, key: "Print the compiler's version." },
Syntax_Colon_0: { code: 6023, category: 2 /* Message */, key: "Syntax: {0}" },
options: { code: 6024, category: 2 /* Message */, key: "options" },
file: { code: 6025, category: 2 /* Message */, key: "file" },
Examples_Colon_0: { code: 6026, category: 2 /* Message */, key: "Examples: {0}" },
Options_Colon: { code: 6027, category: 2 /* Message */, key: "Options:" },
Version_0: { code: 6029, category: 2 /* Message */, key: "Version {0}" },
Insert_command_line_options_and_files_from_a_file: { code: 6030, category: 2 /* Message */, key: "Insert command line options and files from a file." },
File_change_detected_Compiling: { code: 6032, category: 2 /* Message */, key: "File change detected. Compiling..." },
KIND: { code: 6034, category: 2 /* Message */, key: "KIND" },
FILE: { code: 6035, category: 2 /* Message */, key: "FILE" },
VERSION: { code: 6036, category: 2 /* Message */, key: "VERSION" },
LOCATION: { code: 6037, category: 2 /* Message */, key: "LOCATION" },
DIRECTORY: { code: 6038, category: 2 /* Message */, key: "DIRECTORY" },
Compilation_complete_Watching_for_file_changes: { code: 6042, category: 2 /* Message */, key: "Compilation complete. Watching for file changes." },
Generates_corresponding_map_file: { code: 6043, category: 2 /* Message */, key: "Generates corresponding '.map' file." },
Compiler_option_0_expects_an_argument: { code: 6044, category: 1 /* Error */, key: "Compiler option '{0}' expects an argument." },
Unterminated_quoted_string_in_response_file_0: { code: 6045, category: 1 /* Error */, key: "Unterminated quoted string in response file '{0}'." },
Argument_for_module_option_must_be_commonjs_or_amd: { code: 6046, category: 1 /* Error */, key: "Argument for '--module' option must be 'commonjs' or 'amd'." },
Argument_for_target_option_must_be_es3_es5_or_es6: { code: 6047, category: 1 /* Error */, key: "Argument for '--target' option must be 'es3', 'es5', or 'es6'." },
Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: 1 /* Error */, key: "Locale must be of the form <language> or <language>-<territory>. For example '{0}' or '{1}'." },
Unsupported_locale_0: { code: 6049, category: 1 /* Error */, key: "Unsupported locale '{0}'." },
Unable_to_open_file_0: { code: 6050, category: 1 /* Error */, key: "Unable to open file '{0}'." },
Corrupted_locale_file_0: { code: 6051, category: 1 /* Error */, key: "Corrupted locale file {0}." },
Warn_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: 2 /* Message */, key: "Warn on expressions and declarations with an implied 'any' type." },
File_0_not_found: { code: 6053, category: 1 /* Error */, key: "File '{0}' not found." },
File_0_must_have_extension_ts_or_d_ts: { code: 6054, category: 1 /* Error */, key: "File '{0}' must have extension '.ts' or '.d.ts'." },
Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: 2 /* Message */, key: "Suppress noImplicitAny errors for indexing objects lacking index signatures." },
Variable_0_implicitly_has_an_1_type: { code: 7005, category: 1 /* Error */, key: "Variable '{0}' implicitly has an '{1}' type." },
Parameter_0_implicitly_has_an_1_type: { code: 7006, category: 1 /* Error */, key: "Parameter '{0}' implicitly has an '{1}' type." },
Member_0_implicitly_has_an_1_type: { code: 7008, category: 1 /* Error */, key: "Member '{0}' implicitly has an '{1}' type." },
new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: 1 /* Error */, key: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." },
_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: 1 /* Error */, key: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." },
Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: 1 /* Error */, key: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." },
Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: 1 /* Error */, key: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." },
Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation: { code: 7016, category: 1 /* Error */, key: "Property '{0}' implicitly has type 'any', because its 'set' accessor lacks a type annotation." },
Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: 1 /* Error */, key: "Index signature of object type implicitly has an 'any' type." },
Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: 1 /* Error */, key: "Object literal's property '{0}' implicitly has an '{1}' type." },
Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: 1 /* Error */, key: "Rest parameter '{0}' implicitly has an 'any[]' type." },
Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: 1 /* Error */, key: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." },
_0_implicitly_has_type_any_because_it_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 7021, category: 1 /* Error */, key: "'{0}' implicitly has type 'any' because it is referenced directly or indirectly in its own type annotation." },
_0_implicitly_has_type_any_because_it_is_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: 1 /* Error */, key: "'{0}' implicitly has type 'any' because it is does not have a type annotation and is referenced directly or indirectly in its own initializer." },
_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: 1 /* Error */, key: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." },
Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: 1 /* Error */, key: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." },
You_cannot_rename_this_element: { code: 8000, category: 1 /* Error */, key: "You cannot rename this element." },
yield_expressions_are_not_currently_supported: { code: 9000, category: 1 /* Error */, key: "'yield' expressions are not currently supported." },
Generators_are_not_currently_supported: { code: 9001, category: 1 /* Error */, key: "Generators are not currently supported." },
Computed_property_names_are_not_currently_supported: { code: 9002, category: 1 /* Error */, key: "Computed property names are not currently supported." }
};
})(ts || (ts = {}));
var ts;
(function (ts) {
var textToToken = {
"any": 109 /* AnyKeyword */,
"boolean": 110 /* BooleanKeyword */,
"break": 64 /* BreakKeyword */,
"case": 65 /* CaseKeyword */,
"catch": 66 /* CatchKeyword */,
"class": 67 /* ClassKeyword */,
"continue": 69 /* ContinueKeyword */,
"const": 68 /* ConstKeyword */,
"constructor": 111 /* ConstructorKeyword */,
"debugger": 70 /* DebuggerKeyword */,
"declare": 112 /* DeclareKeyword */,
"default": 71 /* DefaultKeyword */,
"delete": 72 /* DeleteKeyword */,
"do": 73 /* DoKeyword */,
"else": 74 /* ElseKeyword */,
"enum": 75 /* EnumKeyword */,
"export": 76 /* ExportKeyword */,
"extends": 77 /* ExtendsKeyword */,
"false": 78 /* FalseKeyword */,
"finally": 79 /* FinallyKeyword */,
"for": 80 /* ForKeyword */,
"function": 81 /* FunctionKeyword */,
"get": 113 /* GetKeyword */,
"if": 82 /* IfKeyword */,
"implements": 100 /* ImplementsKeyword */,
"import": 83 /* ImportKeyword */,
"in": 84 /* InKeyword */,
"instanceof": 85 /* InstanceOfKeyword */,
"interface": 101 /* InterfaceKeyword */,
"let": 102 /* LetKeyword */,
"module": 114 /* ModuleKeyword */,
"new": 86 /* NewKeyword */,
"null": 87 /* NullKeyword */,
"number": 116 /* NumberKeyword */,
"package": 103 /* PackageKeyword */,
"private": 104 /* PrivateKeyword */,
"protected": 105 /* ProtectedKeyword */,
"public": 106 /* PublicKeyword */,
"require": 115 /* RequireKeyword */,
"return": 88 /* ReturnKeyword */,
"set": 117 /* SetKeyword */,
"static": 107 /* StaticKeyword */,
"string": 118 /* StringKeyword */,
"super": 89 /* SuperKeyword */,
"switch": 90 /* SwitchKeyword */,
"this": 91 /* ThisKeyword */,
"throw": 92 /* ThrowKeyword */,
"true": 93 /* TrueKeyword */,
"try": 94 /* TryKeyword */,
"type": 119 /* TypeKeyword */,
"typeof": 95 /* TypeOfKeyword */,
"var": 96 /* VarKeyword */,
"void": 97 /* VoidKeyword */,
"while": 98 /* WhileKeyword */,
"with": 99 /* WithKeyword */,
"yield": 108 /* YieldKeyword */,
"{": 13 /* OpenBraceToken */,
"}": 14 /* CloseBraceToken */,
"(": 15 /* OpenParenToken */,
")": 16 /* CloseParenToken */,
"[": 17 /* OpenBracketToken */,
"]": 18 /* CloseBracketToken */,
".": 19 /* DotToken */,
"...": 20 /* DotDotDotToken */,
";": 21 /* SemicolonToken */,
",": 22 /* CommaToken */,
"<": 23 /* LessThanToken */,
">": 24 /* GreaterThanToken */,
"<=": 25 /* LessThanEqualsToken */,
">=": 26 /* GreaterThanEqualsToken */,
"==": 27 /* EqualsEqualsToken */,
"!=": 28 /* ExclamationEqualsToken */,
"===": 29 /* EqualsEqualsEqualsToken */,
"!==": 30 /* ExclamationEqualsEqualsToken */,
"=>": 31 /* EqualsGreaterThanToken */,
"+": 32 /* PlusToken */,
"-": 33 /* MinusToken */,
"*": 34 /* AsteriskToken */,
"/": 35 /* SlashToken */,
"%": 36 /* PercentToken */,
"++": 37 /* PlusPlusToken */,
"--": 38 /* MinusMinusToken */,
"<<": 39 /* LessThanLessThanToken */,
">>": 40 /* GreaterThanGreaterThanToken */,
">>>": 41 /* GreaterThanGreaterThanGreaterThanToken */,
"&": 42 /* AmpersandToken */,
"|": 43 /* BarToken */,
"^": 44 /* CaretToken */,
"!": 45 /* ExclamationToken */,
"~": 46 /* TildeToken */,
"&&": 47 /* AmpersandAmpersandToken */,
"||": 48 /* BarBarToken */,
"?": 49 /* QuestionToken */,
":": 50 /* ColonToken */,
"=": 51 /* EqualsToken */,
"+=": 52 /* PlusEqualsToken */,
"-=": 53 /* MinusEqualsToken */,
"*=": 54 /* AsteriskEqualsToken */,
"/=": 55 /* SlashEqualsToken */,
"%=": 56 /* PercentEqualsToken */,
"<<=": 57 /* LessThanLessThanEqualsToken */,
">>=": 58 /* GreaterThanGreaterThanEqualsToken */,
">>>=": 59 /* GreaterThanGreaterThanGreaterThanEqualsToken */,
"&=": 60 /* AmpersandEqualsToken */,
"|=": 61 /* BarEqualsToken */,
"^=": 62 /* CaretEqualsToken */
};
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11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,];
function lookupInUnicodeMap(code, map) {
if (code < map[0]) {
return false;
}
var lo = 0;
var hi = map.length;
var mid;
while (lo + 1 < hi) {
mid = lo + (hi - lo) / 2;
mid -= mid % 2;
if (map[mid] <= code && code <= map[mid + 1]) {
return true;
}
if (code < map[mid]) {
hi = mid;
}
else {
lo = mid + 2;
}
}
return false;
}
function isUnicodeIdentifierStart(code, languageVersion) {
return languageVersion === 0 /* ES3 */ ? lookupInUnicodeMap(code, unicodeES3IdentifierStart) : lookupInUnicodeMap(code, unicodeES5IdentifierStart);
}
function isUnicodeIdentifierPart(code, languageVersion) {
return languageVersion === 0 /* ES3 */ ? lookupInUnicodeMap(code, unicodeES3IdentifierPart) : lookupInUnicodeMap(code, unicodeES5IdentifierPart);
}
function makeReverseMap(source) {
var result = [];
for (var name in source) {
if (source.hasOwnProperty(name)) {
result[source[name]] = name;
}
}
return result;
}
var tokenStrings = makeReverseMap(textToToken);
function tokenToString(t) {
return tokenStrings[t];
}
ts.tokenToString = tokenToString;
function computeLineStarts(text) {
var result = new Array();
var pos = 0;
var lineStart = 0;
while (pos < text.length) {
var ch = text.charCodeAt(pos++);
switch (ch) {
case 13 /* carriageReturn */:
if (text.charCodeAt(pos) === 10 /* lineFeed */) {
pos++;
}
case 10 /* lineFeed */:
result.push(lineStart);
lineStart = pos;
break;
default:
if (ch > 127 /* maxAsciiCharacter */ && isLineBreak(ch)) {
result.push(lineStart);
lineStart = pos;
}
break;
}
}
result.push(lineStart);
return result;
}
ts.computeLineStarts = computeLineStarts;
function getPositionFromLineAndCharacter(lineStarts, line, character) {
ts.Debug.assert(line > 0);
return lineStarts[line - 1] + character - 1;
}
ts.getPositionFromLineAndCharacter = getPositionFromLineAndCharacter;
function getLineAndCharacterOfPosition(lineStarts, position) {
var lineNumber = ts.binarySearch(lineStarts, position);
if (lineNumber < 0) {
lineNumber = (~lineNumber) - 1;
}
return {
line: lineNumber + 1,
character: position - lineStarts[lineNumber] + 1
};
}
ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition;
function positionToLineAndCharacter(text, pos) {
var lineStarts = computeLineStarts(text);
return getLineAndCharacterOfPosition(lineStarts, pos);
}
ts.positionToLineAndCharacter = positionToLineAndCharacter;
var hasOwnProperty = Object.prototype.hasOwnProperty;
function isWhiteSpace(ch) {
return ch === 32 /* space */ || ch === 9 /* tab */ || ch === 11 /* verticalTab */ || ch === 12 /* formFeed */ || ch === 160 /* nonBreakingSpace */ || ch === 5760 /* ogham */ || ch >= 8192 /* enQuad */ && ch <= 8203 /* zeroWidthSpace */ || ch === 8239 /* narrowNoBreakSpace */ || ch === 8287 /* mathematicalSpace */ || ch === 12288 /* ideographicSpace */ || ch === 65279 /* byteOrderMark */;
}
ts.isWhiteSpace = isWhiteSpace;
function isLineBreak(ch) {
return ch === 10 /* lineFeed */ || ch === 13 /* carriageReturn */ || ch === 8232 /* lineSeparator */ || ch === 8233 /* paragraphSeparator */ || ch === 133 /* nextLine */;
}
ts.isLineBreak = isLineBreak;
function isDigit(ch) {
return ch >= 48 /* _0 */ && ch <= 57 /* _9 */;
}
function isOctalDigit(ch) {
return ch >= 48 /* _0 */ && ch <= 55 /* _7 */;
}
ts.isOctalDigit = isOctalDigit;
function skipTrivia(text, pos, stopAfterLineBreak) {
while (true) {
var ch = text.charCodeAt(pos);
switch (ch) {
case 13 /* carriageReturn */:
if (text.charCodeAt(pos + 1) === 10 /* lineFeed */)
pos++;
case 10 /* lineFeed */:
pos++;
if (stopAfterLineBreak)
return pos;
continue;
case 9 /* tab */:
case 11 /* verticalTab */:
case 12 /* formFeed */:
case 32 /* space */:
pos++;
continue;
case 47 /* slash */:
if (text.charCodeAt(pos + 1) === 47 /* slash */) {
pos += 2;
while (pos < text.length) {
if (isLineBreak(text.charCodeAt(pos))) {
break;
}
pos++;
}
continue;
}
if (text.charCodeAt(pos + 1) === 42 /* asterisk */) {
pos += 2;
while (pos < text.length) {
if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) {
pos += 2;
break;
}
pos++;
}
continue;
}
break;
default:
if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) {
pos++;
continue;
}
break;
}
return pos;
}
}
ts.skipTrivia = skipTrivia;
function getCommentRanges(text, pos, trailing) {
var result;
var collecting = trailing || pos === 0;
while (true) {
var ch = text.charCodeAt(pos);
switch (ch) {
case 13 /* carriageReturn */:
if (text.charCodeAt(pos + 1) === 10 /* lineFeed */)
pos++;
case 10 /* lineFeed */:
pos++;
if (trailing) {
return result;
}
collecting = true;
if (result && result.length) {
result[result.length - 1].hasTrailingNewLine = true;
}
continue;
case 9 /* tab */:
case 11 /* verticalTab */:
case 12 /* formFeed */:
case 32 /* space */:
pos++;
continue;
case 47 /* slash */:
var nextChar = text.charCodeAt(pos + 1);
var hasTrailingNewLine = false;
if (nextChar === 47 /* slash */ || nextChar === 42 /* asterisk */) {
var startPos = pos;
pos += 2;
if (nextChar === 47 /* slash */) {
while (pos < text.length) {
if (isLineBreak(text.charCodeAt(pos))) {
hasTrailingNewLine = true;
break;
}
pos++;
}
}
else {
while (pos < text.length) {
if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) {
pos += 2;
break;
}
pos++;
}
}
if (collecting) {
if (!result)
result = [];
result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine });
}
continue;
}
break;
default:
if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) {
if (result && result.length && isLineBreak(ch)) {
result[result.length - 1].hasTrailingNewLine = true;
}
pos++;
continue;
}
break;
}
return result;
}
}
function getLeadingCommentRanges(text, pos) {
return getCommentRanges(text, pos, false);
}
ts.getLeadingCommentRanges = getLeadingCommentRanges;
function getTrailingCommentRanges(text, pos) {
return getCommentRanges(text, pos, true);
}
ts.getTrailingCommentRanges = getTrailingCommentRanges;
function isIdentifierStart(ch, languageVersion) {
return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || ch === 36 /* $ */ || ch === 95 /* _ */ || ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierStart(ch, languageVersion);
}
ts.isIdentifierStart = isIdentifierStart;
function isIdentifierPart(ch, languageVersion) {
return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || ch >= 48 /* _0 */ && ch <= 57 /* _9 */ || ch === 36 /* $ */ || ch === 95 /* _ */ || ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierPart(ch, languageVersion);
}
ts.isIdentifierPart = isIdentifierPart;
function createScanner(languageVersion, skipTrivia, text, onError) {
var pos;
var len;
var startPos;
var tokenPos;
var token;
var tokenValue;
var precedingLineBreak;
var tokenIsUnterminated;
function error(message) {
if (onError) {
onError(message);
}
}
function isIdentifierStart(ch) {
return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || ch === 36 /* $ */ || ch === 95 /* _ */ || ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierStart(ch, languageVersion);
}
function isIdentifierPart(ch) {
return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || ch >= 48 /* _0 */ && ch <= 57 /* _9 */ || ch === 36 /* $ */ || ch === 95 /* _ */ || ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierPart(ch, languageVersion);
}
function scanNumber() {
var start = pos;
while (isDigit(text.charCodeAt(pos)))
pos++;
if (text.charCodeAt(pos) === 46 /* dot */) {
pos++;
while (isDigit(text.charCodeAt(pos)))
pos++;
}
var end = pos;
if (text.charCodeAt(pos) === 69 /* E */ || text.charCodeAt(pos) === 101 /* e */) {
pos++;
if (text.charCodeAt(pos) === 43 /* plus */ || text.charCodeAt(pos) === 45 /* minus */)
pos++;
if (isDigit(text.charCodeAt(pos))) {
pos++;
while (isDigit(text.charCodeAt(pos)))
pos++;
end = pos;
}
else {
error(ts.Diagnostics.Digit_expected);
}
}
return +(text.substring(start, end));
}
function scanOctalDigits() {
var start = pos;
while (isOctalDigit(text.charCodeAt(pos))) {
pos++;
}
return +(text.substring(start, pos));
}
function scanHexDigits(count, mustMatchCount) {
var digits = 0;
var value = 0;
while (digits < count || !mustMatchCount) {
var ch = text.charCodeAt(pos);
if (ch >= 48 /* _0 */ && ch <= 57 /* _9 */) {
value = value * 16 + ch - 48 /* _0 */;
}
else if (ch >= 65 /* A */ && ch <= 70 /* F */) {
value = value * 16 + ch - 65 /* A */ + 10;
}
else if (ch >= 97 /* a */ && ch <= 102 /* f */) {
value = value * 16 + ch - 97 /* a */ + 10;
}
else {
break;
}
pos++;
digits++;
}
if (digits < count) {
value = -1;
}
return value;
}
function scanString() {
var quote = text.charCodeAt(pos++);
var result = "";
var start = pos;
while (true) {
if (pos >= len) {
result += text.substring(start, pos);
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_string_literal);
break;
}
var ch = text.charCodeAt(pos);
if (ch === quote) {
result += text.substring(start, pos);
pos++;
break;
}
if (ch === 92 /* backslash */) {
result += text.substring(start, pos);
result += scanEscapeSequence();
start = pos;
continue;
}
if (isLineBreak(ch)) {
result += text.substring(start, pos);
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_string_literal);
break;
}
pos++;
}
return result;
}
function scanTemplateAndSetTokenValue() {
var startedWithBacktick = text.charCodeAt(pos) === 96 /* backtick */;
pos++;
var start = pos;
var contents = "";
var resultingToken;
while (true) {
if (pos >= len) {
contents += text.substring(start, pos);
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_template_literal);
resultingToken = startedWithBacktick ? 9 /* NoSubstitutionTemplateLiteral */ : 12 /* TemplateTail */;
break;
}
var currChar = text.charCodeAt(pos);
if (currChar === 96 /* backtick */) {
contents += text.substring(start, pos);
pos++;
resultingToken = startedWithBacktick ? 9 /* NoSubstitutionTemplateLiteral */ : 12 /* TemplateTail */;
break;
}
if (currChar === 36 /* $ */ && pos + 1 < len && text.charCodeAt(pos + 1) === 123 /* openBrace */) {
contents += text.substring(start, pos);
pos += 2;
resultingToken = startedWithBacktick ? 10 /* TemplateHead */ : 11 /* TemplateMiddle */;
break;
}
if (currChar === 92 /* backslash */) {
contents += text.substring(start, pos);
contents += scanEscapeSequence();
start = pos;
continue;
}
if (currChar === 13 /* carriageReturn */) {
contents += text.substring(start, pos);
if (pos + 1 < len && text.charCodeAt(pos + 1) === 10 /* lineFeed */) {
pos++;
}
pos++;
contents += "\n";
start = pos;
continue;
}
pos++;
}
ts.Debug.assert(resultingToken !== undefined);
tokenValue = contents;
return resultingToken;
}
function scanEscapeSequence() {
pos++;
if (pos >= len) {
error(ts.Diagnostics.Unexpected_end_of_text);
return "";
}
var ch = text.charCodeAt(pos++);
switch (ch) {
case 48 /* _0 */:
return "\0";
case 98 /* b */:
return "\b";
case 116 /* t */:
return "\t";
case 110 /* n */:
return "\n";
case 118 /* v */:
return "\v";
case 102 /* f */:
return "\f";
case 114 /* r */:
return "\r";
case 39 /* singleQuote */:
return "\'";
case 34 /* doubleQuote */:
return "\"";
case 120 /* x */:
case 117 /* u */:
var ch = scanHexDigits(ch === 120 /* x */ ? 2 : 4, true);
if (ch >= 0) {
return String.fromCharCode(ch);
}
else {
error(ts.Diagnostics.Hexadecimal_digit_expected);
return "";
}
case 13 /* carriageReturn */:
if (pos < len && text.charCodeAt(pos) === 10 /* lineFeed */) {
pos++;
}
case 10 /* lineFeed */:
case 8232 /* lineSeparator */:
case 8233 /* paragraphSeparator */:
return "";
default:
return String.fromCharCode(ch);
}
}
function peekUnicodeEscape() {
if (pos + 5 < len && text.charCodeAt(pos + 1) === 117 /* u */) {
var start = pos;
pos += 2;
var value = scanHexDigits(4, true);
pos = start;
return value;
}
return -1;
}
function scanIdentifierParts() {
var result = "";
var start = pos;
while (pos < len) {
var ch = text.charCodeAt(pos);
if (isIdentifierPart(ch)) {
pos++;
}
else if (ch === 92 /* backslash */) {
ch = peekUnicodeEscape();
if (!(ch >= 0 && isIdentifierPart(ch))) {
break;
}
result += text.substring(start, pos);
result += String.fromCharCode(ch);
pos += 6;
start = pos;
}
else {
break;
}
}
result += text.substring(start, pos);
return result;
}
function getIdentifierToken() {
var len = tokenValue.length;
if (len >= 2 && len <= 11) {
var ch = tokenValue.charCodeAt(0);
if (ch >= 97 /* a */ && ch <= 122 /* z */ && hasOwnProperty.call(textToToken, tokenValue)) {
return token = textToToken[tokenValue];
}
}
return token = 63 /* Identifier */;
}
function scanBinaryOrOctalDigits(base) {
ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8");
var value = 0;
var numberOfDigits = 0;
while (true) {
var ch = text.charCodeAt(pos);
var valueOfCh = ch - 48 /* _0 */;
if (!isDigit(ch) || valueOfCh >= base) {
break;
}
value = value * base + valueOfCh;
pos++;
numberOfDigits++;
}
if (numberOfDigits === 0) {
return -1;
}
return value;
}
function scan() {
startPos = pos;
precedingLineBreak = false;
tokenIsUnterminated = false;
while (true) {
tokenPos = pos;
if (pos >= len) {
return token = 1 /* EndOfFileToken */;
}
var ch = text.charCodeAt(pos);
switch (ch) {
case 10 /* lineFeed */:
case 13 /* carriageReturn */:
precedingLineBreak = true;
if (skipTrivia) {
pos++;
continue;
}
else {
if (ch === 13 /* carriageReturn */ && pos + 1 < len && text.charCodeAt(pos + 1) === 10 /* lineFeed */) {
pos += 2;
}
else {
pos++;
}
return token = 4 /* NewLineTrivia */;
}
case 9 /* tab */:
case 11 /* verticalTab */:
case 12 /* formFeed */:
case 32 /* space */:
if (skipTrivia) {
pos++;
continue;
}
else {
while (pos < len && isWhiteSpace(text.charCodeAt(pos))) {
pos++;
}
return token = 5 /* WhitespaceTrivia */;
}
case 33 /* exclamation */:
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
if (text.charCodeAt(pos + 2) === 61 /* equals */) {
return pos += 3, token = 30 /* ExclamationEqualsEqualsToken */;
}
return pos += 2, token = 28 /* ExclamationEqualsToken */;
}
return pos++, token = 45 /* ExclamationToken */;
case 34 /* doubleQuote */:
case 39 /* singleQuote */:
tokenValue = scanString();
return token = 7 /* StringLiteral */;
case 96 /* backtick */:
return token = scanTemplateAndSetTokenValue();
case 37 /* percent */:
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 56 /* PercentEqualsToken */;
}
return pos++, token = 36 /* PercentToken */;
case 38 /* ampersand */:
if (text.charCodeAt(pos + 1) === 38 /* ampersand */) {
return pos += 2, token = 47 /* AmpersandAmpersandToken */;
}
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 60 /* AmpersandEqualsToken */;
}
return pos++, token = 42 /* AmpersandToken */;
case 40 /* openParen */:
return pos++, token = 15 /* OpenParenToken */;
case 41 /* closeParen */:
return pos++, token = 16 /* CloseParenToken */;
case 42 /* asterisk */:
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 54 /* AsteriskEqualsToken */;
}
return pos++, token = 34 /* AsteriskToken */;
case 43 /* plus */:
if (text.charCodeAt(pos + 1) === 43 /* plus */) {
return pos += 2, token = 37 /* PlusPlusToken */;
}
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 52 /* PlusEqualsToken */;
}
return pos++, token = 32 /* PlusToken */;
case 44 /* comma */:
return pos++, token = 22 /* CommaToken */;
case 45 /* minus */:
if (text.charCodeAt(pos + 1) === 45 /* minus */) {
return pos += 2, token = 38 /* MinusMinusToken */;
}
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 53 /* MinusEqualsToken */;
}
return pos++, token = 33 /* MinusToken */;
case 46 /* dot */:
if (isDigit(text.charCodeAt(pos + 1))) {
tokenValue = "" + scanNumber();
return token = 6 /* NumericLiteral */;
}
if (text.charCodeAt(pos + 1) === 46 /* dot */ && text.charCodeAt(pos + 2) === 46 /* dot */) {
return pos += 3, token = 20 /* DotDotDotToken */;
}
return pos++, token = 19 /* DotToken */;
case 47 /* slash */:
if (text.charCodeAt(pos + 1) === 47 /* slash */) {
pos += 2;
while (pos < len) {
if (isLineBreak(text.charCodeAt(pos))) {
break;
}
pos++;
}
if (skipTrivia) {
continue;
}
else {
return token = 2 /* SingleLineCommentTrivia */;
}
}
if (text.charCodeAt(pos + 1) === 42 /* asterisk */) {
pos += 2;
var commentClosed = false;
while (pos < len) {
var ch = text.charCodeAt(pos);
if (ch === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) {
pos += 2;
commentClosed = true;
break;
}
if (isLineBreak(ch)) {
precedingLineBreak = true;
}
pos++;
}
if (!commentClosed) {
error(ts.Diagnostics.Asterisk_Slash_expected);
}
if (skipTrivia) {
continue;
}
else {
tokenIsUnterminated = !commentClosed;
return token = 3 /* MultiLineCommentTrivia */;
}
}
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 55 /* SlashEqualsToken */;
}
return pos++, token = 35 /* SlashToken */;
case 48 /* _0 */:
if (pos + 2 < len && (text.charCodeAt(pos + 1) === 88 /* X */ || text.charCodeAt(pos + 1) === 120 /* x */)) {
pos += 2;
var value = scanHexDigits(1, false);
if (value < 0) {
error(ts.Diagnostics.Hexadecimal_digit_expected);
value = 0;
}
tokenValue = "" + value;
return token = 6 /* NumericLiteral */;
}
else if (pos + 2 < len && (text.charCodeAt(pos + 1) === 66 /* B */ || text.charCodeAt(pos + 1) === 98 /* b */)) {
pos += 2;
var value = scanBinaryOrOctalDigits(2);
if (value < 0) {
error(ts.Diagnostics.Binary_digit_expected);
value = 0;
}
tokenValue = "" + value;
return 6 /* NumericLiteral */;
}
else if (pos + 2 < len && (text.charCodeAt(pos + 1) === 79 /* O */ || text.charCodeAt(pos + 1) === 111 /* o */)) {
pos += 2;
var value = scanBinaryOrOctalDigits(8);
if (value < 0) {
error(ts.Diagnostics.Octal_digit_expected);
value = 0;
}
tokenValue = "" + value;
return 6 /* NumericLiteral */;
}
if (pos + 1 < len && isOctalDigit(text.charCodeAt(pos + 1))) {
tokenValue = "" + scanOctalDigits();
return token = 6 /* NumericLiteral */;
}
case 49 /* _1 */:
case 50 /* _2 */:
case 51 /* _3 */:
case 52 /* _4 */:
case 53 /* _5 */:
case 54 /* _6 */:
case 55 /* _7 */:
case 56 /* _8 */:
case 57 /* _9 */:
tokenValue = "" + scanNumber();
return token = 6 /* NumericLiteral */;
case 58 /* colon */:
return pos++, token = 50 /* ColonToken */;
case 59 /* semicolon */:
return pos++, token = 21 /* SemicolonToken */;
case 60 /* lessThan */:
if (text.charCodeAt(pos + 1) === 60 /* lessThan */) {
if (text.charCodeAt(pos + 2) === 61 /* equals */) {
return pos += 3, token = 57 /* LessThanLessThanEqualsToken */;
}
return pos += 2, token = 39 /* LessThanLessThanToken */;
}
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 25 /* LessThanEqualsToken */;
}
return pos++, token = 23 /* LessThanToken */;
case 61 /* equals */:
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
if (text.charCodeAt(pos + 2) === 61 /* equals */) {
return pos += 3, token = 29 /* EqualsEqualsEqualsToken */;
}
return pos += 2, token = 27 /* EqualsEqualsToken */;
}
if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) {
return pos += 2, token = 31 /* EqualsGreaterThanToken */;
}
return pos++, token = 51 /* EqualsToken */;
case 62 /* greaterThan */:
return pos++, token = 24 /* GreaterThanToken */;
case 63 /* question */:
return pos++, token = 49 /* QuestionToken */;
case 91 /* openBracket */:
return pos++, token = 17 /* OpenBracketToken */;
case 93 /* closeBracket */:
return pos++, token = 18 /* CloseBracketToken */;
case 94 /* caret */:
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 62 /* CaretEqualsToken */;
}
return pos++, token = 44 /* CaretToken */;
case 123 /* openBrace */:
return pos++, token = 13 /* OpenBraceToken */;
case 124 /* bar */:
if (text.charCodeAt(pos + 1) === 124 /* bar */) {
return pos += 2, token = 48 /* BarBarToken */;
}
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 61 /* BarEqualsToken */;
}
return pos++, token = 43 /* BarToken */;
case 125 /* closeBrace */:
return pos++, token = 14 /* CloseBraceToken */;
case 126 /* tilde */:
return pos++, token = 46 /* TildeToken */;
case 92 /* backslash */:
var ch = peekUnicodeEscape();
if (ch >= 0 && isIdentifierStart(ch)) {
pos += 6;
tokenValue = String.fromCharCode(ch) + scanIdentifierParts();
return token = getIdentifierToken();
}
error(ts.Diagnostics.Invalid_character);
return pos++, token = 0 /* Unknown */;
default:
if (isIdentifierStart(ch)) {
pos++;
while (pos < len && isIdentifierPart(ch = text.charCodeAt(pos)))
pos++;
tokenValue = text.substring(tokenPos, pos);
if (ch === 92 /* backslash */) {
tokenValue += scanIdentifierParts();
}
return token = getIdentifierToken();
}
else if (isWhiteSpace(ch)) {
pos++;
continue;
}
else if (isLineBreak(ch)) {
precedingLineBreak = true;
pos++;
continue;
}
error(ts.Diagnostics.Invalid_character);
return pos++, token = 0 /* Unknown */;
}
}
}
function reScanGreaterToken() {
if (token === 24 /* GreaterThanToken */) {
if (text.charCodeAt(pos) === 62 /* greaterThan */) {
if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) {
if (text.charCodeAt(pos + 2) === 61 /* equals */) {
return pos += 3, token = 59 /* GreaterThanGreaterThanGreaterThanEqualsToken */;
}
return pos += 2, token = 41 /* GreaterThanGreaterThanGreaterThanToken */;
}
if (text.charCodeAt(pos + 1) === 61 /* equals */) {
return pos += 2, token = 58 /* GreaterThanGreaterThanEqualsToken */;
}
return pos++, token = 40 /* GreaterThanGreaterThanToken */;
}
if (text.charCodeAt(pos) === 61 /* equals */) {
return pos++, token = 26 /* GreaterThanEqualsToken */;
}
}
return token;
}
function reScanSlashToken() {
if (token === 35 /* SlashToken */ || token === 55 /* SlashEqualsToken */) {
var p = tokenPos + 1;
var inEscape = false;
var inCharacterClass = false;
while (true) {
if (p >= len) {
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_regular_expression_literal);
break;
}
var ch = text.charCodeAt(p);
if (isLineBreak(ch)) {
tokenIsUnterminated = true;
error(ts.Diagnostics.Unterminated_regular_expression_literal);
break;
}
if (inEscape) {
inEscape = false;
}
else if (ch === 47 /* slash */ && !inCharacterClass) {
p++;
break;
}
else if (ch === 91 /* openBracket */) {
inCharacterClass = true;
}
else if (ch === 92 /* backslash */) {
inEscape = true;
}
else if (ch === 93 /* closeBracket */) {
inCharacterClass = false;
}
p++;
}
while (p < len && isIdentifierPart(text.charCodeAt(p))) {
p++;
}
pos = p;
tokenValue = text.substring(tokenPos, pos);
token = 8 /* RegularExpressionLiteral */;
}
return token;
}
function reScanTemplateToken() {
ts.Debug.assert(token === 14 /* CloseBraceToken */, "'reScanTemplateToken' should only be called on a '}'");
pos = tokenPos;
return token = scanTemplateAndSetTokenValue();
}
function speculationHelper(callback, isLookahead) {
var savePos = pos;
var saveStartPos = startPos;
var saveTokenPos = tokenPos;
var saveToken = token;
var saveTokenValue = tokenValue;
var savePrecedingLineBreak = precedingLineBreak;
var result = callback();
if (!result || isLookahead) {
pos = savePos;
startPos = saveStartPos;
tokenPos = saveTokenPos;
token = saveToken;
tokenValue = saveTokenValue;
precedingLineBreak = savePrecedingLineBreak;
}
return result;
}
function lookAhead(callback) {
return speculationHelper(callback, true);
}
function tryScan(callback) {
return speculationHelper(callback, false);
}
function setText(newText) {
text = newText || "";
len = text.length;
setTextPos(0);
}
function setTextPos(textPos) {
pos = textPos;
startPos = textPos;
tokenPos = textPos;
token = 0 /* Unknown */;
precedingLineBreak = false;
}
setText(text);
return {
getStartPos: function () { return startPos; },
getTextPos: function () { return pos; },
getToken: function () { return token; },
getTokenPos: function () { return tokenPos; },
getTokenText: function () { return text.substring(tokenPos, pos); },
getTokenValue: function () { return tokenValue; },
hasPrecedingLineBreak: function () { return precedingLineBreak; },
isIdentifier: function () { return token === 63 /* Identifier */ || token > 99 /* LastReservedWord */; },
isReservedWord: function () { return token >= 64 /* FirstReservedWord */ && token <= 99 /* LastReservedWord */; },
isUnterminated: function () { return tokenIsUnterminated; },
reScanGreaterToken: reScanGreaterToken,
reScanSlashToken: reScanSlashToken,
reScanTemplateToken: reScanTemplateToken,
scan: scan,
setText: setText,
setTextPos: setTextPos,
tryScan: tryScan,
lookAhead: lookAhead
};
}
ts.createScanner = createScanner;
})(ts || (ts = {}));
var ts;
(function (ts) {
function getDeclarationOfKind(symbol, kind) {
var declarations = symbol.declarations;
for (var i = 0; i < declarations.length; i++) {
var declaration = declarations[i];
if (declaration.kind === kind) {
return declaration;
}
}
return undefined;
}
ts.getDeclarationOfKind = getDeclarationOfKind;
var stringWriters = [];
function getSingleLineStringWriter() {
if (stringWriters.length == 0) {
var str = "";
var writeText = function (text) { return str += text; };
return {
string: function () { return str; },
writeKeyword: writeText,
writeOperator: writeText,
writePunctuation: writeText,
writeSpace: writeText,
writeStringLiteral: writeText,
writeParameter: writeText,
writeSymbol: writeText,
writeLine: function () { return str += " "; },
increaseIndent: function () {
},
decreaseIndent: function () {
},
clear: function () { return str = ""; },
trackSymbol: function () {
}
};
}
return stringWriters.pop();
}
ts.getSingleLineStringWriter = getSingleLineStringWriter;
function releaseStringWriter(writer) {
writer.clear();
stringWriters.push(writer);
}
ts.releaseStringWriter = releaseStringWriter;
function getFullWidth(node) {
return node.end - node.pos;
}
ts.getFullWidth = getFullWidth;
function hasFlag(val, flag) {
return (val & flag) !== 0;
}
ts.hasFlag = hasFlag;
function containsParseError(node) {
if (!hasFlag(node.parserContextFlags, 32 /* HasPropagatedChildContainsErrorFlag */)) {
var val = hasFlag(node.parserContextFlags, 16 /* ContainsError */) || ts.forEachChild(node, containsParseError);
if (val) {
node.parserContextFlags |= 16 /* ContainsError */;
}
node.parserContextFlags |= 32 /* HasPropagatedChildContainsErrorFlag */;
}
return hasFlag(node.parserContextFlags, 16 /* ContainsError */);
}
ts.containsParseError = containsParseError;
function getSourceFileOfNode(node) {
while (node && node.kind !== 201 /* SourceFile */) {
node = node.parent;
}
return node;
}
ts.getSourceFileOfNode = getSourceFileOfNode;
function nodePosToString(node) {
var file = getSourceFileOfNode(node);
var loc = file.getLineAndCharacterFromPosition(node.pos);
return file.filename + "(" + loc.line + "," + loc.character + ")";
}
ts.nodePosToString = nodePosToString;
function getStartPosOfNode(node) {
return node.pos;
}
ts.getStartPosOfNode = getStartPosOfNode;
function isMissingNode(node) {
return node.pos === node.end && node.kind !== 1 /* EndOfFileToken */;
}
ts.isMissingNode = isMissingNode;
function getTokenPosOfNode(node, sourceFile) {
if (isMissingNode(node)) {
return node.pos;
}
return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos);
}
ts.getTokenPosOfNode = getTokenPosOfNode;
function getSourceTextOfNodeFromSourceFile(sourceFile, node) {
if (isMissingNode(node)) {
return "";
}
var text = sourceFile.text;
return text.substring(ts.skipTrivia(text, node.pos), node.end);
}
ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile;
function getTextOfNodeFromSourceText(sourceText, node) {
if (isMissingNode(node)) {
return "";
}
return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end);
}
ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText;
function getTextOfNode(node) {
return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node);
}
ts.getTextOfNode = getTextOfNode;
function escapeIdentifier(identifier) {
return identifier.length >= 2 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ ? "_" + identifier : identifier;
}
ts.escapeIdentifier = escapeIdentifier;
function unescapeIdentifier(identifier) {
return identifier.length >= 3 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ && identifier.charCodeAt(2) === 95 /* _ */ ? identifier.substr(1) : identifier;
}
ts.unescapeIdentifier = unescapeIdentifier;
function declarationNameToString(name) {
return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name);
}
ts.declarationNameToString = declarationNameToString;
function createDiagnosticForNode(node, message, arg0, arg1, arg2) {
node = getErrorSpanForNode(node);
var file = getSourceFileOfNode(node);
var start = getTokenPosOfNode(node, file);
var length = node.end - start;
return ts.createFileDiagnostic(file, start, length, message, arg0, arg1, arg2);
}
ts.createDiagnosticForNode = createDiagnosticForNode;
function createDiagnosticForNodeFromMessageChain(node, messageChain, newLine) {
node = getErrorSpanForNode(node);
var file = getSourceFileOfNode(node);
var start = ts.skipTrivia(file.text, node.pos);
var length = node.end - start;
return ts.flattenDiagnosticChain(file, start, length, messageChain, newLine);
}
ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain;
function getErrorSpanForNode(node) {
var errorSpan;
switch (node.kind) {
case 183 /* VariableDeclaration */:
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
case 189 /* ModuleDeclaration */:
case 188 /* EnumDeclaration */:
case 200 /* EnumMember */:
errorSpan = node.name;
break;
}
return errorSpan && errorSpan.pos < errorSpan.end ? errorSpan : node;
}
ts.getErrorSpanForNode = getErrorSpanForNode;
function isExternalModule(file) {
return file.externalModuleIndicator !== undefined;
}
ts.isExternalModule = isExternalModule;
function isDeclarationFile(file) {
return (file.flags & 1024 /* DeclarationFile */) !== 0;
}
ts.isDeclarationFile = isDeclarationFile;
function isConstEnumDeclaration(node) {
return node.kind === 188 /* EnumDeclaration */ && isConst(node);
}
ts.isConstEnumDeclaration = isConstEnumDeclaration;
function isConst(node) {
return !!(node.flags & 4096 /* Const */);
}
ts.isConst = isConst;
function isLet(node) {
return !!(node.flags & 2048 /* Let */);
}
ts.isLet = isLet;
function isPrologueDirective(node) {
return node.kind === 166 /* ExpressionStatement */ && node.expression.kind === 7 /* StringLiteral */;
}
ts.isPrologueDirective = isPrologueDirective;
function getLeadingCommentRangesOfNode(node, sourceFileOfNode) {
sourceFileOfNode = sourceFileOfNode || getSourceFileOfNode(node);
if (node.kind === 123 /* Parameter */ || node.kind === 122 /* TypeParameter */) {
return ts.concatenate(ts.getTrailingCommentRanges(sourceFileOfNode.text, node.pos), ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos));
}
else {
return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos);
}
}
ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode;
function getJsDocComments(node, sourceFileOfNode) {
return ts.filter(getLeadingCommentRangesOfNode(node, sourceFileOfNode), isJsDocComment);
function isJsDocComment(comment) {
return sourceFileOfNode.text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ && sourceFileOfNode.text.charCodeAt(comment.pos + 2) === 42 /* asterisk */ && sourceFileOfNode.text.charCodeAt(comment.pos + 3) !== 47 /* slash */;
}
}
ts.getJsDocComments = getJsDocComments;
ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*<reference\s+path\s*=\s*)('|")(.+?)\2.*?\/>/;
function forEachReturnStatement(body, visitor) {
return traverse(body);
function traverse(node) {
switch (node.kind) {
case 174 /* ReturnStatement */:
return visitor(node);
case 163 /* Block */:
case 167 /* IfStatement */:
case 168 /* DoStatement */:
case 169 /* WhileStatement */:
case 170 /* ForStatement */:
case 171 /* ForInStatement */:
case 175 /* WithStatement */:
case 176 /* SwitchStatement */:
case 194 /* CaseClause */:
case 195 /* DefaultClause */:
case 177 /* LabeledStatement */:
case 179 /* TryStatement */:
case 180 /* TryBlock */:
case 197 /* CatchClause */:
case 181 /* FinallyBlock */:
return ts.forEachChild(node, traverse);
}
}
}
ts.forEachReturnStatement = forEachReturnStatement;
function isAnyFunction(node) {
if (node) {
switch (node.kind) {
case 150 /* FunctionExpression */:
case 184 /* FunctionDeclaration */:
case 151 /* ArrowFunction */:
case 125 /* Method */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 126 /* Constructor */:
return true;
}
}
return false;
}
ts.isAnyFunction = isAnyFunction;
function isFunctionBlock(node) {
return node !== undefined && node.kind === 163 /* Block */ && isAnyFunction(node.parent);
}
ts.isFunctionBlock = isFunctionBlock;
function isObjectLiteralMethod(node) {
return node !== undefined && node.kind === 125 /* Method */ && node.parent.kind === 142 /* ObjectLiteralExpression */;
}
ts.isObjectLiteralMethod = isObjectLiteralMethod;
function getContainingFunction(node) {
while (true) {
node = node.parent;
if (!node || isAnyFunction(node)) {
return node;
}
}
}
ts.getContainingFunction = getContainingFunction;
function getThisContainer(node, includeArrowFunctions) {
while (true) {
node = node.parent;
if (!node) {
return undefined;
}
switch (node.kind) {
case 151 /* ArrowFunction */:
if (!includeArrowFunctions) {
continue;
}
case 184 /* FunctionDeclaration */:
case 150 /* FunctionExpression */:
case 189 /* ModuleDeclaration */:
case 124 /* Property */:
case 125 /* Method */:
case 126 /* Constructor */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 188 /* EnumDeclaration */:
case 201 /* SourceFile */:
return node;
}
}
}
ts.getThisContainer = getThisContainer;
function getSuperContainer(node) {
while (true) {
node = node.parent;
if (!node) {
return undefined;
}
switch (node.kind) {
case 124 /* Property */:
case 125 /* Method */:
case 126 /* Constructor */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
return node;
}
}
}
ts.getSuperContainer = getSuperContainer;
function getInvokedExpression(node) {
if (node.kind === 147 /* TaggedTemplateExpression */) {
return node.tag;
}
return node.expression;
}
ts.getInvokedExpression = getInvokedExpression;
function isExpression(node) {
switch (node.kind) {
case 91 /* ThisKeyword */:
case 89 /* SuperKeyword */:
case 87 /* NullKeyword */:
case 93 /* TrueKeyword */:
case 78 /* FalseKeyword */:
case 8 /* RegularExpressionLiteral */:
case 141 /* ArrayLiteralExpression */:
case 142 /* ObjectLiteralExpression */:
case 143 /* PropertyAccessExpression */:
case 144 /* ElementAccessExpression */:
case 145 /* CallExpression */:
case 146 /* NewExpression */:
case 147 /* TaggedTemplateExpression */:
case 148 /* TypeAssertionExpression */:
case 149 /* ParenthesizedExpression */:
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
case 154 /* VoidExpression */:
case 152 /* DeleteExpression */:
case 153 /* TypeOfExpression */:
case 155 /* PrefixUnaryExpression */:
case 156 /* PostfixUnaryExpression */:
case 157 /* BinaryExpression */:
case 158 /* ConditionalExpression */:
case 159 /* TemplateExpression */:
case 9 /* NoSubstitutionTemplateLiteral */:
case 161 /* OmittedExpression */:
return true;
case 120 /* QualifiedName */:
while (node.parent.kind === 120 /* QualifiedName */) {
node = node.parent;
}
return node.parent.kind === 135 /* TypeQuery */;
case 63 /* Identifier */:
if (node.parent.kind === 135 /* TypeQuery */) {
return true;
}
case 6 /* NumericLiteral */:
case 7 /* StringLiteral */:
var parent = node.parent;
switch (parent.kind) {
case 183 /* VariableDeclaration */:
case 123 /* Parameter */:
case 124 /* Property */:
case 200 /* EnumMember */:
case 198 /* PropertyAssignment */:
return parent.initializer === node;
case 166 /* ExpressionStatement */:
case 167 /* IfStatement */:
case 168 /* DoStatement */:
case 169 /* WhileStatement */:
case 174 /* ReturnStatement */:
case 175 /* WithStatement */:
case 176 /* SwitchStatement */:
case 194 /* CaseClause */:
case 178 /* ThrowStatement */:
case 176 /* SwitchStatement */:
return parent.expression === node;
case 170 /* ForStatement */:
return parent.initializer === node || parent.condition === node || parent.iterator === node;
case 171 /* ForInStatement */:
return parent.variable === node || parent.expression === node;
case 148 /* TypeAssertionExpression */:
return node === parent.expression;
case 162 /* TemplateSpan */:
return node === parent.expression;
default:
if (isExpression(parent)) {
return true;
}
}
}
return false;
}
ts.isExpression = isExpression;
function isExternalModuleImportDeclaration(node) {
return node.kind === 191 /* ImportDeclaration */ && node.moduleReference.kind === 193 /* ExternalModuleReference */;
}
ts.isExternalModuleImportDeclaration = isExternalModuleImportDeclaration;
function getExternalModuleImportDeclarationExpression(node) {
ts.Debug.assert(isExternalModuleImportDeclaration(node));
return node.moduleReference.expression;
}
ts.getExternalModuleImportDeclarationExpression = getExternalModuleImportDeclarationExpression;
function isInternalModuleImportDeclaration(node) {
return node.kind === 191 /* ImportDeclaration */ && node.moduleReference.kind !== 193 /* ExternalModuleReference */;
}
ts.isInternalModuleImportDeclaration = isInternalModuleImportDeclaration;
function hasDotDotDotToken(node) {
return node && node.kind === 123 /* Parameter */ && node.dotDotDotToken !== undefined;
}
ts.hasDotDotDotToken = hasDotDotDotToken;
function hasQuestionToken(node) {
if (node) {
switch (node.kind) {
case 123 /* Parameter */:
return node.questionToken !== undefined;
case 125 /* Method */:
return node.questionToken !== undefined;
case 199 /* ShorthandPropertyAssignment */:
case 198 /* PropertyAssignment */:
case 124 /* Property */:
return node.questionToken !== undefined;
}
}
return false;
}
ts.hasQuestionToken = hasQuestionToken;
function hasRestParameters(s) {
return s.parameters.length > 0 && s.parameters[s.parameters.length - 1].dotDotDotToken !== undefined;
}
ts.hasRestParameters = hasRestParameters;
function isLiteralKind(kind) {
return 6 /* FirstLiteralToken */ <= kind && kind <= 9 /* LastLiteralToken */;
}
ts.isLiteralKind = isLiteralKind;
function isTextualLiteralKind(kind) {
return kind === 7 /* StringLiteral */ || kind === 9 /* NoSubstitutionTemplateLiteral */;
}
ts.isTextualLiteralKind = isTextualLiteralKind;
function isTemplateLiteralKind(kind) {
return 9 /* FirstTemplateToken */ <= kind && kind <= 12 /* LastTemplateToken */;
}
ts.isTemplateLiteralKind = isTemplateLiteralKind;
function isInAmbientContext(node) {
while (node) {
if (node.flags & (2 /* Ambient */ | 1024 /* DeclarationFile */))
return true;
node = node.parent;
}
return false;
}
ts.isInAmbientContext = isInAmbientContext;
function isDeclaration(node) {
switch (node.kind) {
case 122 /* TypeParameter */:
case 123 /* Parameter */:
case 183 /* VariableDeclaration */:
case 124 /* Property */:
case 198 /* PropertyAssignment */:
case 199 /* ShorthandPropertyAssignment */:
case 200 /* EnumMember */:
case 125 /* Method */:
case 184 /* FunctionDeclaration */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 126 /* Constructor */:
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
case 187 /* TypeAliasDeclaration */:
case 188 /* EnumDeclaration */:
case 189 /* ModuleDeclaration */:
case 191 /* ImportDeclaration */:
return true;
}
return false;
}
ts.isDeclaration = isDeclaration;
function isStatement(n) {
switch (n.kind) {
case 173 /* BreakStatement */:
case 172 /* ContinueStatement */:
case 182 /* DebuggerStatement */:
case 168 /* DoStatement */:
case 166 /* ExpressionStatement */:
case 165 /* EmptyStatement */:
case 171 /* ForInStatement */:
case 170 /* ForStatement */:
case 167 /* IfStatement */:
case 177 /* LabeledStatement */:
case 174 /* ReturnStatement */:
case 176 /* SwitchStatement */:
case 92 /* ThrowKeyword */:
case 179 /* TryStatement */:
case 164 /* VariableStatement */:
case 169 /* WhileStatement */:
case 175 /* WithStatement */:
case 192 /* ExportAssignment */:
return true;
default:
return false;
}
}
ts.isStatement = isStatement;
function isDeclarationOrFunctionExpressionOrCatchVariableName(name) {
if (name.kind !== 63 /* Identifier */ && name.kind !== 7 /* StringLiteral */ && name.kind !== 6 /* NumericLiteral */) {
return false;
}
var parent = name.parent;
if (isDeclaration(parent) || parent.kind === 150 /* FunctionExpression */) {
return parent.name === name;
}
if (parent.kind === 197 /* CatchClause */) {
return parent.name === name;
}
return false;
}
ts.isDeclarationOrFunctionExpressionOrCatchVariableName = isDeclarationOrFunctionExpressionOrCatchVariableName;
function getClassBaseTypeNode(node) {
var heritageClause = getHeritageClause(node.heritageClauses, 77 /* ExtendsKeyword */);
return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined;
}
ts.getClassBaseTypeNode = getClassBaseTypeNode;
function getClassImplementedTypeNodes(node) {
var heritageClause = getHeritageClause(node.heritageClauses, 100 /* ImplementsKeyword */);
return heritageClause ? heritageClause.types : undefined;
}
ts.getClassImplementedTypeNodes = getClassImplementedTypeNodes;
function getInterfaceBaseTypeNodes(node) {
var heritageClause = getHeritageClause(node.heritageClauses, 77 /* ExtendsKeyword */);
return heritageClause ? heritageClause.types : undefined;
}
ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes;
function getHeritageClause(clauses, kind) {
if (clauses) {
for (var i = 0, n = clauses.length; i < n; i++) {
if (clauses[i].token === kind) {
return clauses[i];
}
}
}
return undefined;
}
ts.getHeritageClause = getHeritageClause;
function tryResolveScriptReference(program, sourceFile, reference) {
if (!program.getCompilerOptions().noResolve) {
var referenceFileName = ts.isRootedDiskPath(reference.filename) ? reference.filename : ts.combinePaths(ts.getDirectoryPath(sourceFile.filename), reference.filename);
referenceFileName = ts.getNormalizedAbsolutePath(referenceFileName, program.getCompilerHost().getCurrentDirectory());
return program.getSourceFile(referenceFileName);
}
}
ts.tryResolveScriptReference = tryResolveScriptReference;
function getAncestor(node, kind) {
switch (kind) {
case 185 /* ClassDeclaration */:
while (node) {
switch (node.kind) {
case 185 /* ClassDeclaration */:
return node;
case 188 /* EnumDeclaration */:
case 186 /* InterfaceDeclaration */:
case 187 /* TypeAliasDeclaration */:
case 189 /* ModuleDeclaration */:
case 191 /* ImportDeclaration */:
return undefined;
default:
node = node.parent;
continue;
}
}
break;
default:
while (node) {
if (node.kind === kind) {
return node;
}
node = node.parent;
}
break;
}
return undefined;
}
ts.getAncestor = getAncestor;
function getFileReferenceFromReferencePath(comment, commentRange) {
var simpleReferenceRegEx = /^\/\/\/\s*<reference\s+/gim;
var isNoDefaultLibRegEx = /^(\/\/\/\s*<reference\s+no-default-lib\s*=\s*)('|")(.+?)\2\s*\/>/gim;
if (simpleReferenceRegEx.exec(comment)) {
if (isNoDefaultLibRegEx.exec(comment)) {
return {
isNoDefaultLib: true
};
}
else {
var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment);
if (matchResult) {
var start = commentRange.pos;
var end = commentRange.end;
return {
fileReference: {
pos: start,
end: end,
filename: matchResult[3]
},
isNoDefaultLib: false
};
}
else {
return {
diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax,
isNoDefaultLib: false
};
}
}
}
return undefined;
}
ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath;
function isKeyword(token) {
return 64 /* FirstKeyword */ <= token && token <= 119 /* LastKeyword */;
}
ts.isKeyword = isKeyword;
function isTrivia(token) {
return 2 /* FirstTriviaToken */ <= token && token <= 5 /* LastTriviaToken */;
}
ts.isTrivia = isTrivia;
function isModifier(token) {
switch (token) {
case 106 /* PublicKeyword */:
case 104 /* PrivateKeyword */:
case 105 /* ProtectedKeyword */:
case 107 /* StaticKeyword */:
case 76 /* ExportKeyword */:
case 112 /* DeclareKeyword */:
case 68 /* ConstKeyword */:
return true;
}
return false;
}
ts.isModifier = isModifier;
})(ts || (ts = {}));
var ts;
(function (ts) {
var nodeConstructors = new Array(204 /* Count */);
function getNodeConstructor(kind) {
return nodeConstructors[kind] || (nodeConstructors[kind] = ts.objectAllocator.getNodeConstructor(kind));
}
ts.getNodeConstructor = getNodeConstructor;
function createRootNode(kind, pos, end, flags) {
var node = new (getNodeConstructor(kind))();
node.pos = pos;
node.end = end;
node.flags = flags;
return node;
}
function forEachChild(node, cbNode, cbNodes) {
function child(node) {
if (node) {
return cbNode(node);
}
}
function children(nodes) {
if (nodes) {
if (cbNodes) {
return cbNodes(nodes);
}
for (var i = 0, len = nodes.length; i < len; i++) {
var result = cbNode(nodes[i]);
if (result) {
return result;
}
}
return undefined;
}
}
if (!node) {
return;
}
switch (node.kind) {
case 120 /* QualifiedName */:
return child(node.left) || child(node.right);
case 122 /* TypeParameter */:
return child(node.name) || child(node.constraint);
case 123 /* Parameter */:
return children(node.modifiers) || child(node.dotDotDotToken) || child(node.name) || child(node.questionToken) || child(node.type) || child(node.initializer);
case 124 /* Property */:
case 198 /* PropertyAssignment */:
case 199 /* ShorthandPropertyAssignment */:
return children(node.modifiers) || child(node.name) || child(node.questionToken) || child(node.type) || child(node.initializer);
case 133 /* FunctionType */:
case 134 /* ConstructorType */:
case 129 /* CallSignature */:
case 130 /* ConstructSignature */:
case 131 /* IndexSignature */:
return children(node.modifiers) || children(node.typeParameters) || children(node.parameters) || child(node.type);
case 125 /* Method */:
case 126 /* Constructor */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 150 /* FunctionExpression */:
case 184 /* FunctionDeclaration */:
case 151 /* ArrowFunction */:
return children(node.modifiers) || child(node.name) || child(node.questionToken) || children(node.typeParameters) || children(node.parameters) || child(node.type) || child(node.body);
case 132 /* TypeReference */:
return child(node.typeName) || children(node.typeArguments);
case 135 /* TypeQuery */:
return child(node.exprName);
case 136 /* TypeLiteral */:
return children(node.members);
case 137 /* ArrayType */:
return child(node.elementType);
case 138 /* TupleType */:
return children(node.elementTypes);
case 139 /* UnionType */:
return children(node.types);
case 140 /* ParenthesizedType */:
return child(node.type);
case 141 /* ArrayLiteralExpression */:
return children(node.elements);
case 142 /* ObjectLiteralExpression */:
return children(node.properties);
case 143 /* PropertyAccessExpression */:
return child(node.expression) || child(node.name);
case 144 /* ElementAccessExpression */:
return child(node.expression) || child(node.argumentExpression);
case 145 /* CallExpression */:
case 146 /* NewExpression */:
return child(node.expression) || children(node.typeArguments) || children(node.arguments);
case 147 /* TaggedTemplateExpression */:
return child(node.tag) || child(node.template);
case 148 /* TypeAssertionExpression */:
return child(node.type) || child(node.expression);
case 149 /* ParenthesizedExpression */:
return child(node.expression);
case 152 /* DeleteExpression */:
return child(node.expression);
case 153 /* TypeOfExpression */:
return child(node.expression);
case 154 /* VoidExpression */:
return child(node.expression);
case 155 /* PrefixUnaryExpression */:
return child(node.operand);
case 156 /* PostfixUnaryExpression */:
return child(node.operand);
case 157 /* BinaryExpression */:
return child(node.left) || child(node.right);
case 158 /* ConditionalExpression */:
return child(node.condition) || child(node.whenTrue) || child(node.whenFalse);
case 163 /* Block */:
case 180 /* TryBlock */:
case 181 /* FinallyBlock */:
case 190 /* ModuleBlock */:
return children(node.statements);
case 201 /* SourceFile */:
return children(node.statements) || child(node.endOfFileToken);
case 164 /* VariableStatement */:
return children(node.modifiers) || children(node.declarations);
case 166 /* ExpressionStatement */:
return child(node.expression);
case 167 /* IfStatement */:
return child(node.expression) || child(node.thenStatement) || child(node.elseStatement);
case 168 /* DoStatement */:
return child(node.statement) || child(node.expression);
case 169 /* WhileStatement */:
return child(node.expression) || child(node.statement);
case 170 /* ForStatement */:
return children(node.declarations) || child(node.initializer) || child(node.condition) || child(node.iterator) || child(node.statement);
case 171 /* ForInStatement */:
return children(node.declarations) || child(node.variable) || child(node.expression) || child(node.statement);
case 172 /* ContinueStatement */:
case 173 /* BreakStatement */:
return child(node.label);
case 174 /* ReturnStatement */:
return child(node.expression);
case 175 /* WithStatement */:
return child(node.expression) || child(node.statement);
case 176 /* SwitchStatement */:
return child(node.expression) || children(node.clauses);
case 194 /* CaseClause */:
return child(node.expression) || children(node.statements);
case 195 /* DefaultClause */:
return children(node.statements);
case 177 /* LabeledStatement */:
return child(node.label) || child(node.statement);
case 178 /* ThrowStatement */:
return child(node.expression);
case 179 /* TryStatement */:
return child(node.tryBlock) || child(node.catchClause) || child(node.finallyBlock);
case 197 /* CatchClause */:
return child(node.name) || child(node.type) || child(node.block);
case 183 /* VariableDeclaration */:
return children(node.modifiers) || child(node.name) || child(node.type) || child(node.initializer);
case 185 /* ClassDeclaration */:
return children(node.modifiers) || child(node.name) || children(node.typeParameters) || children(node.heritageClauses) || children(node.members);
case 186 /* InterfaceDeclaration */:
return children(node.modifiers) || child(node.name) || children(node.typeParameters) || children(node.heritageClauses) || children(node.members);
case 187 /* TypeAliasDeclaration */:
return children(node.modifiers) || child(node.name) || child(node.type);
case 188 /* EnumDeclaration */:
return children(node.modifiers) || child(node.name) || children(node.members);
case 200 /* EnumMember */:
return child(node.name) || child(node.initializer);
case 189 /* ModuleDeclaration */:
return children(node.modifiers) || child(node.name) || child(node.body);
case 191 /* ImportDeclaration */:
return children(node.modifiers) || child(node.name) || child(node.moduleReference);
case 192 /* ExportAssignment */:
return children(node.modifiers) || child(node.exportName);
case 159 /* TemplateExpression */:
return child(node.head) || children(node.templateSpans);
case 162 /* TemplateSpan */:
return child(node.expression) || child(node.literal);
case 121 /* ComputedPropertyName */:
return child(node.expression);
case 196 /* HeritageClause */:
return children(node.types);
case 193 /* ExternalModuleReference */:
return child(node.expression);
}
}
ts.forEachChild = forEachChild;
function createCompilerHost(options) {
var currentDirectory;
var existingDirectories = {};
function getCanonicalFileName(fileName) {
return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase();
}
var unsupportedFileEncodingErrorCode = -2147024809;
function getSourceFile(filename, languageVersion, onError) {
try {
var text = ts.sys.readFile(filename, options.charset);
}
catch (e) {
if (onError) {
onError(e.number === unsupportedFileEncodingErrorCode ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText : e.message);
}
text = "";
}
return text !== undefined ? createSourceFile(filename, text, languageVersion, "0") : undefined;
}
function writeFile(fileName, data, writeByteOrderMark, onError) {
function directoryExists(directoryPath) {
if (ts.hasProperty(existingDirectories, directoryPath)) {
return true;
}
if (ts.sys.directoryExists(directoryPath)) {
existingDirectories[directoryPath] = true;
return true;
}
return false;
}
function ensureDirectoriesExist(directoryPath) {
if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) {
var parentDirectory = ts.getDirectoryPath(directoryPath);
ensureDirectoriesExist(parentDirectory);
ts.sys.createDirectory(directoryPath);
}
}
try {
ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName)));
ts.sys.writeFile(fileName, data, writeByteOrderMark);
}
catch (e) {
if (onError) {
onError(e.message);
}
}
}
return {
getSourceFile: getSourceFile,
getDefaultLibFilename: function (options) { return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), options.target === 2 /* ES6 */ ? "lib.es6.d.ts" : "lib.d.ts"); },
writeFile: writeFile,
getCurrentDirectory: function () { return currentDirectory || (currentDirectory = ts.sys.getCurrentDirectory()); },
useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; },
getCanonicalFileName: getCanonicalFileName,
getNewLine: function () { return ts.sys.newLine; }
};
}
ts.createCompilerHost = createCompilerHost;
function parsingContextErrors(context) {
switch (context) {
case 0 /* SourceElements */: return ts.Diagnostics.Declaration_or_statement_expected;
case 1 /* ModuleElements */: return ts.Diagnostics.Declaration_or_statement_expected;
case 2 /* BlockStatements */: return ts.Diagnostics.Statement_expected;
case 3 /* SwitchClauses */: return ts.Diagnostics.case_or_default_expected;
case 4 /* SwitchClauseStatements */: return ts.Diagnostics.Statement_expected;
case 5 /* TypeMembers */: return ts.Diagnostics.Property_or_signature_expected;
case 6 /* ClassMembers */: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected;
case 7 /* EnumMembers */: return ts.Diagnostics.Enum_member_expected;
case 8 /* TypeReferences */: return ts.Diagnostics.Type_reference_expected;
case 9 /* VariableDeclarations */: return ts.Diagnostics.Variable_declaration_expected;
case 10 /* ArgumentExpressions */: return ts.Diagnostics.Argument_expression_expected;
case 11 /* ObjectLiteralMembers */: return ts.Diagnostics.Property_assignment_expected;
case 12 /* ArrayLiteralMembers */: return ts.Diagnostics.Expression_or_comma_expected;
case 13 /* Parameters */: return ts.Diagnostics.Parameter_declaration_expected;
case 14 /* TypeParameters */: return ts.Diagnostics.Type_parameter_declaration_expected;
case 15 /* TypeArguments */: return ts.Diagnostics.Type_argument_expected;
case 16 /* TupleElementTypes */: return ts.Diagnostics.Type_expected;
case 17 /* HeritageClauses */: return ts.Diagnostics.Unexpected_token_expected;
}
}
;
function modifierToFlag(token) {
switch (token) {
case 107 /* StaticKeyword */: return 128 /* Static */;
case 106 /* PublicKeyword */: return 16 /* Public */;
case 105 /* ProtectedKeyword */: return 64 /* Protected */;
case 104 /* PrivateKeyword */: return 32 /* Private */;
case 76 /* ExportKeyword */: return 1 /* Export */;
case 112 /* DeclareKeyword */: return 2 /* Ambient */;
case 68 /* ConstKeyword */: return 4096 /* Const */;
}
return 0;
}
function isEvalOrArgumentsIdentifier(node) {
return node.kind === 63 /* Identifier */ && (node.text === "eval" || node.text === "arguments");
}
function isUseStrictPrologueDirective(sourceFile, node) {
ts.Debug.assert(ts.isPrologueDirective(node));
var nodeText = ts.getSourceTextOfNodeFromSourceFile(sourceFile, node.expression);
return nodeText === '"use strict"' || nodeText === "'use strict'";
}
function createSourceFile(filename, sourceText, languageVersion, version, isOpen) {
if (isOpen === void 0) { isOpen = false; }
var token;
var parsingContext;
var identifiers = {};
var identifierCount = 0;
var nodeCount = 0;
var lineStarts;
var contextFlags = 0;
var parseErrorBeforeNextFinishedNode = false;
function setContextFlag(val, flag) {
if (val) {
contextFlags |= flag;
}
else {
contextFlags &= ~flag;
}
}
function setStrictModeContext(val) {
setContextFlag(val, 1 /* StrictMode */);
}
function setDisallowInContext(val) {
setContextFlag(val, 2 /* DisallowIn */);
}
function setYieldContext(val) {
setContextFlag(val, 4 /* Yield */);
}
function setGeneratorParameterContext(val) {
setContextFlag(val, 8 /* GeneratorParameter */);
}
function allowInAnd(func) {
if (contextFlags & 2 /* DisallowIn */) {
setDisallowInContext(false);
var result = func();
setDisallowInContext(true);
return result;
}
return func();
}
function disallowInAnd(func) {
if (contextFlags & 2 /* DisallowIn */) {
return func();
}
setDisallowInContext(true);
var result = func();
setDisallowInContext(false);
return result;
}
function doInYieldContext(func) {
if (contextFlags & 4 /* Yield */) {
return func();
}
setYieldContext(true);
var result = func();
setYieldContext(false);
return result;
}
function doOutsideOfYieldContext(func) {
if (contextFlags & 4 /* Yield */) {
setYieldContext(false);
var result = func();
setYieldContext(true);
return result;
}
return func();
}
function inYieldContext() {
return (contextFlags & 4 /* Yield */) !== 0;
}
function inStrictModeContext() {
return (contextFlags & 1 /* StrictMode */) !== 0;
}
function inGeneratorParameterContext() {
return (contextFlags & 8 /* GeneratorParameter */) !== 0;
}
function inDisallowInContext() {
return (contextFlags & 2 /* DisallowIn */) !== 0;
}
function getLineStarts() {
return lineStarts || (lineStarts = ts.computeLineStarts(sourceText));
}
function getLineAndCharacterFromSourcePosition(position) {
return ts.getLineAndCharacterOfPosition(getLineStarts(), position);
}
function getPositionFromSourceLineAndCharacter(line, character) {
return ts.getPositionFromLineAndCharacter(getLineStarts(), line, character);
}
function parseErrorAtCurrentToken(message, arg0) {
var start = scanner.getTokenPos();
var length = scanner.getTextPos() - start;
parseErrorAtPosition(start, length, message, arg0);
}
function parseErrorAtPosition(start, length, message, arg0) {
var lastError = ts.lastOrUndefined(sourceFile.parseDiagnostics);
if (!lastError || start !== lastError.start) {
sourceFile.parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0));
}
parseErrorBeforeNextFinishedNode = true;
}
function scanError(message) {
var pos = scanner.getTextPos();
parseErrorAtPosition(pos, 0, message);
}
function getNodePos() {
return scanner.getStartPos();
}
function getNodeEnd() {
return scanner.getStartPos();
}
function nextToken() {
return token = scanner.scan();
}
function getTokenPos(pos) {
return ts.skipTrivia(sourceText, pos);
}
function reScanGreaterToken() {
return token = scanner.reScanGreaterToken();
}
function reScanSlashToken() {
return token = scanner.reScanSlashToken();
}
function reScanTemplateToken() {
return token = scanner.reScanTemplateToken();
}
function speculationHelper(callback, isLookAhead) {
var saveToken = token;
var saveParseDiagnosticsLength = sourceFile.parseDiagnostics.length;
var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode;
var saveContextFlags = contextFlags;
var result = isLookAhead ? scanner.lookAhead(callback) : scanner.tryScan(callback);
ts.Debug.assert(saveContextFlags === contextFlags);
if (!result || isLookAhead) {
token = saveToken;
sourceFile.parseDiagnostics.length = saveParseDiagnosticsLength;
parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode;
}
return result;
}
function lookAhead(callback) {
return speculationHelper(callback, true);
}
function tryParse(callback) {
return speculationHelper(callback, false);
}
function isIdentifier() {
if (token === 63 /* Identifier */) {
return true;
}
if (token === 108 /* YieldKeyword */ && inYieldContext()) {
return false;
}
return inStrictModeContext() ? token > 108 /* LastFutureReservedWord */ : token > 99 /* LastReservedWord */;
}
function parseExpected(kind, diagnosticMessage, arg0) {
if (token === kind) {
nextToken();
return true;
}
if (diagnosticMessage) {
parseErrorAtCurrentToken(diagnosticMessage, arg0);
}
else {
parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind));
}
return false;
}
function parseOptional(t) {
if (token === t) {
nextToken();
return true;
}
return false;
}
function parseOptionalToken(t) {
if (token === t) {
var node = createNode(t);
nextToken();
return finishNode(node);
}
return undefined;
}
function canParseSemicolon() {
if (token === 21 /* SemicolonToken */) {
return true;
}
return token === 14 /* CloseBraceToken */ || token === 1 /* EndOfFileToken */ || scanner.hasPrecedingLineBreak();
}
function parseSemicolon(diagnosticMessage) {
if (canParseSemicolon()) {
if (token === 21 /* SemicolonToken */) {
nextToken();
}
return true;
}
else {
return parseExpected(21 /* SemicolonToken */, diagnosticMessage);
}
}
function createNode(kind, pos) {
nodeCount++;
var node = new (nodeConstructors[kind] || (nodeConstructors[kind] = ts.objectAllocator.getNodeConstructor(kind)))();
if (!(pos >= 0)) {
pos = scanner.getStartPos();
}
node.pos = pos;
node.end = pos;
return node;
}
function finishNode(node) {
node.end = scanner.getStartPos();
if (contextFlags) {
node.parserContextFlags = contextFlags;
}
if (parseErrorBeforeNextFinishedNode) {
parseErrorBeforeNextFinishedNode = false;
node.parserContextFlags |= 16 /* ContainsError */;
}
return node;
}
function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) {
if (reportAtCurrentPosition) {
parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0);
}
else {
parseErrorAtCurrentToken(diagnosticMessage, arg0);
}
var result = createNode(kind, scanner.getStartPos());
result.text = "";
return finishNode(result);
}
function internIdentifier(text) {
text = ts.escapeIdentifier(text);
return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text);
}
function createIdentifier(isIdentifier, diagnosticMessage) {
identifierCount++;
if (isIdentifier) {
var node = createNode(63 /* Identifier */);
node.text = internIdentifier(scanner.getTokenValue());
nextToken();
return finishNode(node);
}
return createMissingNode(63 /* Identifier */, false, diagnosticMessage || ts.Diagnostics.Identifier_expected);
}
function parseIdentifier(diagnosticMessage) {
return createIdentifier(isIdentifier(), diagnosticMessage);
}
function parseIdentifierName() {
return createIdentifier(isIdentifierOrKeyword());
}
function isLiteralPropertyName() {
return isIdentifierOrKeyword() || token === 7 /* StringLiteral */ || token === 6 /* NumericLiteral */;
}
function parsePropertyName() {
if (token === 7 /* StringLiteral */ || token === 6 /* NumericLiteral */) {
return parseLiteralNode(true);
}
if (token === 17 /* OpenBracketToken */) {
return parseComputedPropertyName();
}
return parseIdentifierName();
}
function parseComputedPropertyName() {
var node = createNode(121 /* ComputedPropertyName */);
parseExpected(17 /* OpenBracketToken */);
var yieldContext = inYieldContext();
if (inGeneratorParameterContext()) {
setYieldContext(false);
}
node.expression = allowInAnd(parseExpression);
if (inGeneratorParameterContext()) {
setYieldContext(yieldContext);
}
parseExpected(18 /* CloseBracketToken */);
return finishNode(node);
}
function parseContextualModifier(t) {
return token === t && tryParse(nextTokenCanFollowModifier);
}
function nextTokenCanFollowModifier() {
nextToken();
return canFollowModifier();
}
function parseAnyContextualModifier() {
return ts.isModifier(token) && tryParse(nextTokenCanFollowContextualModifier);
}
function nextTokenCanFollowContextualModifier() {
if (token === 68 /* ConstKeyword */) {
return nextToken() === 75 /* EnumKeyword */;
}
nextToken();
return canFollowModifier();
}
function canFollowModifier() {
return token === 17 /* OpenBracketToken */ || token === 34 /* AsteriskToken */ || isLiteralPropertyName();
}
function isListElement(kind, inErrorRecovery) {
switch (kind) {
case 0 /* SourceElements */:
case 1 /* ModuleElements */:
return isSourceElement(inErrorRecovery);
case 2 /* BlockStatements */:
case 4 /* SwitchClauseStatements */:
return isStatement(inErrorRecovery);
case 3 /* SwitchClauses */:
return token === 65 /* CaseKeyword */ || token === 71 /* DefaultKeyword */;
case 5 /* TypeMembers */:
return isStartOfTypeMember();
case 6 /* ClassMembers */:
return lookAhead(isClassMemberStart);
case 7 /* EnumMembers */:
return token === 17 /* OpenBracketToken */ || isLiteralPropertyName();
case 11 /* ObjectLiteralMembers */:
return token === 17 /* OpenBracketToken */ || token === 34 /* AsteriskToken */ || isLiteralPropertyName();
case 8 /* TypeReferences */:
return isIdentifier() && !isNotHeritageClauseTypeName();
case 9 /* VariableDeclarations */:
case 14 /* TypeParameters */:
return isIdentifier();
case 10 /* ArgumentExpressions */:
return token === 22 /* CommaToken */ || isStartOfExpression();
case 12 /* ArrayLiteralMembers */:
return token === 22 /* CommaToken */ || isStartOfExpression();
case 13 /* Parameters */:
return isStartOfParameter();
case 15 /* TypeArguments */:
case 16 /* TupleElementTypes */:
return token === 22 /* CommaToken */ || isStartOfType();
case 17 /* HeritageClauses */:
return isHeritageClause();
}
ts.Debug.fail("Non-exhaustive case in 'isListElement'.");
}
function nextTokenIsIdentifier() {
nextToken();
return isIdentifier();
}
function isNotHeritageClauseTypeName() {
if (token === 100 /* ImplementsKeyword */ || token === 77 /* ExtendsKeyword */) {
return lookAhead(nextTokenIsIdentifier);
}
return false;
}
function isListTerminator(kind) {
if (token === 1 /* EndOfFileToken */) {
return true;
}
switch (kind) {
case 1 /* ModuleElements */:
case 2 /* BlockStatements */:
case 3 /* SwitchClauses */:
case 5 /* TypeMembers */:
case 6 /* ClassMembers */:
case 7 /* EnumMembers */:
case 11 /* ObjectLiteralMembers */:
return token === 14 /* CloseBraceToken */;
case 4 /* SwitchClauseStatements */:
return token === 14 /* CloseBraceToken */ || token === 65 /* CaseKeyword */ || token === 71 /* DefaultKeyword */;
case 8 /* TypeReferences */:
return token === 13 /* OpenBraceToken */ || token === 77 /* ExtendsKeyword */ || token === 100 /* ImplementsKeyword */;
case 9 /* VariableDeclarations */:
return isVariableDeclaratorListTerminator();
case 14 /* TypeParameters */:
return token === 24 /* GreaterThanToken */ || token === 15 /* OpenParenToken */ || token === 13 /* OpenBraceToken */ || token === 77 /* ExtendsKeyword */ || token === 100 /* ImplementsKeyword */;
case 10 /* ArgumentExpressions */:
return token === 16 /* CloseParenToken */ || token === 21 /* SemicolonToken */;
case 12 /* ArrayLiteralMembers */:
case 16 /* TupleElementTypes */:
return token === 18 /* CloseBracketToken */;
case 13 /* Parameters */:
return token === 16 /* CloseParenToken */ || token === 18 /* CloseBracketToken */ || token === 13 /* OpenBraceToken */;
case 15 /* TypeArguments */:
return token === 24 /* GreaterThanToken */ || token === 15 /* OpenParenToken */;
case 17 /* HeritageClauses */:
return token === 13 /* OpenBraceToken */ || token === 14 /* CloseBraceToken */;
}
}
function isVariableDeclaratorListTerminator() {
if (canParseSemicolon()) {
return true;
}
if (token === 84 /* InKeyword */) {
return true;
}
if (token === 31 /* EqualsGreaterThanToken */) {
return true;
}
return false;
}
function isInSomeParsingContext() {
for (var kind = 0; kind < 18 /* Count */; kind++) {
if (parsingContext & (1 << kind)) {
if (isListElement(kind, true) || isListTerminator(kind)) {
return true;
}
}
}
return false;
}
function parseList(kind, checkForStrictMode, parseElement) {
var saveParsingContext = parsingContext;
parsingContext |= 1 << kind;
var result = [];
result.pos = getNodePos();
var savedStrictModeContext = inStrictModeContext();
while (!isListTerminator(kind)) {
if (isListElement(kind, false)) {
var element = parseElement();
result.push(element);
if (checkForStrictMode && !inStrictModeContext()) {
if (ts.isPrologueDirective(element)) {
if (isUseStrictPrologueDirective(sourceFile, element)) {
setStrictModeContext(true);
checkForStrictMode = false;
}
}
else {
checkForStrictMode = false;
}
}
continue;
}
if (abortParsingListOrMoveToNextToken(kind)) {
break;
}
}
setStrictModeContext(savedStrictModeContext);
result.end = getNodeEnd();
parsingContext = saveParsingContext;
return result;
}
function abortParsingListOrMoveToNextToken(kind) {
parseErrorAtCurrentToken(parsingContextErrors(kind));
if (isInSomeParsingContext()) {
return true;
}
nextToken();
return false;
}
function parseDelimitedList(kind, parseElement) {
var saveParsingContext = parsingContext;
parsingContext |= 1 << kind;
var result = [];
result.pos = getNodePos();
var commaStart = -1;
while (true) {
if (isListElement(kind, false)) {
result.push(parseElement());
commaStart = scanner.getTokenPos();
if (parseOptional(22 /* CommaToken */)) {
continue;
}
commaStart = -1;
if (isListTerminator(kind)) {
break;
}
parseExpected(22 /* CommaToken */);
continue;
}
if (isListTerminator(kind)) {
break;
}
if (abortParsingListOrMoveToNextToken(kind)) {
break;
}
}
if (commaStart >= 0) {
result.hasTrailingComma = true;
}
result.end = getNodeEnd();
parsingContext = saveParsingContext;
return result;
}
function createMissingList() {
var pos = getNodePos();
var result = [];
result.pos = pos;
result.end = pos;
return result;
}
function parseBracketedList(kind, parseElement, open, close) {
if (parseExpected(open)) {
var result = parseDelimitedList(kind, parseElement);
parseExpected(close);
return result;
}
return createMissingList();
}
function parseEntityName(allowReservedWords, diagnosticMessage) {
var entity = parseIdentifier(diagnosticMessage);
while (parseOptional(19 /* DotToken */)) {
var node = createNode(120 /* QualifiedName */, entity.pos);
node.left = entity;
node.right = parseRightSideOfDot(allowReservedWords);
entity = finishNode(node);
}
return entity;
}
function parseRightSideOfDot(allowIdentifierNames) {
if (scanner.hasPrecedingLineBreak() && scanner.isReservedWord()) {
var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine);
if (matchesPattern) {
return createMissingNode(63 /* Identifier */, true, ts.Diagnostics.Identifier_expected);
}
}
return allowIdentifierNames ? parseIdentifierName() : parseIdentifier();
}
function parseTokenNode() {
var node = createNode(token);
nextToken();
return finishNode(node);
}
function parseTemplateExpression() {
var template = createNode(159 /* TemplateExpression */);
template.head = parseLiteralNode();
ts.Debug.assert(template.head.kind === 10 /* TemplateHead */, "Template head has wrong token kind");
var templateSpans = [];
templateSpans.pos = getNodePos();
do {
templateSpans.push(parseTemplateSpan());
} while (templateSpans[templateSpans.length - 1].literal.kind === 11 /* TemplateMiddle */);
templateSpans.end = getNodeEnd();
template.templateSpans = templateSpans;
return finishNode(template);
}
function parseTemplateSpan() {
var span = createNode(162 /* TemplateSpan */);
span.expression = allowInAnd(parseExpression);
var literal;
if (token === 14 /* CloseBraceToken */) {
reScanTemplateToken();
literal = parseLiteralNode();
}
else {
literal = createMissingNode(12 /* TemplateTail */, false, ts.Diagnostics._0_expected, ts.tokenToString(14 /* CloseBraceToken */));
}
span.literal = literal;
return finishNode(span);
}
function parseLiteralNode(internName) {
var node = createNode(token);
var text = scanner.getTokenValue();
node.text = internName ? internIdentifier(text) : text;
if (scanner.isUnterminated()) {
node.isUnterminated = true;
}
var tokenPos = scanner.getTokenPos();
nextToken();
finishNode(node);
if (node.kind === 6 /* NumericLiteral */ && sourceText.charCodeAt(tokenPos) === 48 /* _0 */ && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) {
node.flags |= 8192 /* OctalLiteral */;
}
return node;
}
function parseTypeReference() {
var node = createNode(132 /* TypeReference */);
node.typeName = parseEntityName(false, ts.Diagnostics.Type_expected);
if (!scanner.hasPrecedingLineBreak() && token === 23 /* LessThanToken */) {
node.typeArguments = parseBracketedList(15 /* TypeArguments */, parseType, 23 /* LessThanToken */, 24 /* GreaterThanToken */);
}
return finishNode(node);
}
function parseTypeQuery() {
var node = createNode(135 /* TypeQuery */);
parseExpected(95 /* TypeOfKeyword */);
node.exprName = parseEntityName(true);
return finishNode(node);
}
function parseTypeParameter() {
var node = createNode(122 /* TypeParameter */);
node.name = parseIdentifier();
if (parseOptional(77 /* ExtendsKeyword */)) {
if (isStartOfType() || !isStartOfExpression()) {
node.constraint = parseType();
}
else {
node.expression = parseUnaryExpressionOrHigher();
}
}
return finishNode(node);
}
function parseTypeParameters() {
if (token === 23 /* LessThanToken */) {
return parseBracketedList(14 /* TypeParameters */, parseTypeParameter, 23 /* LessThanToken */, 24 /* GreaterThanToken */);
}
}
function parseParameterType() {
if (parseOptional(50 /* ColonToken */)) {
return token === 7 /* StringLiteral */ ? parseLiteralNode(true) : parseType();
}
return undefined;
}
function isStartOfParameter() {
return token === 20 /* DotDotDotToken */ || isIdentifier() || ts.isModifier(token);
}
function setModifiers(node, modifiers) {
if (modifiers) {
node.flags |= modifiers.flags;
node.modifiers = modifiers;
}
}
function parseParameter() {
var node = createNode(123 /* Parameter */);
setModifiers(node, parseModifiers());
node.dotDotDotToken = parseOptionalToken(20 /* DotDotDotToken */);
node.name = inGeneratorParameterContext() ? doInYieldContext(parseIdentifier) : parseIdentifier();
if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifier(token)) {
nextToken();
}
node.questionToken = parseOptionalToken(49 /* QuestionToken */);
node.type = parseParameterType();
node.initializer = inGeneratorParameterContext() ? doOutsideOfYieldContext(parseParameterInitializer) : parseParameterInitializer();
return finishNode(node);
}
function parseParameterInitializer() {
return parseInitializer(true);
}
function fillSignature(returnToken, yieldAndGeneratorParameterContext, requireCompleteParameterList, signature) {
var returnTokenRequired = returnToken === 31 /* EqualsGreaterThanToken */;
signature.typeParameters = parseTypeParameters();
signature.parameters = parseParameterList(yieldAndGeneratorParameterContext, requireCompleteParameterList);
if (returnTokenRequired) {
parseExpected(returnToken);
signature.type = parseType();
}
else if (parseOptional(returnToken)) {
signature.type = parseType();
}
}
function parseParameterList(yieldAndGeneratorParameterContext, requireCompleteParameterList) {
if (parseExpected(15 /* OpenParenToken */)) {
var savedYieldContext = inYieldContext();
var savedGeneratorParameterContext = inGeneratorParameterContext();
setYieldContext(yieldAndGeneratorParameterContext);
setGeneratorParameterContext(yieldAndGeneratorParameterContext);
var result = parseDelimitedList(13 /* Parameters */, parseParameter);
setYieldContext(savedYieldContext);
setGeneratorParameterContext(savedGeneratorParameterContext);
if (!parseExpected(16 /* CloseParenToken */) && requireCompleteParameterList) {
return undefined;
}
return result;
}
return requireCompleteParameterList ? undefined : createMissingList();
}
function parseTypeMemberSemicolon() {
if (parseSemicolon()) {
return;
}
parseOptional(22 /* CommaToken */);
}
function parseSignatureMember(kind) {
var node = createNode(kind);
if (kind === 130 /* ConstructSignature */) {
parseExpected(86 /* NewKeyword */);
}
fillSignature(50 /* ColonToken */, false, false, node);
parseTypeMemberSemicolon();
return finishNode(node);
}
function isIndexSignature() {
if (token !== 17 /* OpenBracketToken */) {
return false;
}
return lookAhead(isUnambiguouslyIndexSignature);
}
function isUnambiguouslyIndexSignature() {
nextToken();
if (token === 20 /* DotDotDotToken */ || token === 18 /* CloseBracketToken */) {
return true;
}
if (ts.isModifier(token)) {
nextToken();
if (isIdentifier()) {
return true;
}
}
else if (!isIdentifier()) {
return false;
}
else {
nextToken();
}
if (token === 50 /* ColonToken */ || token === 22 /* CommaToken */) {
return true;
}
if (token !== 49 /* QuestionToken */) {
return false;
}
nextToken();
return token === 50 /* ColonToken */ || token === 22 /* CommaToken */ || token === 18 /* CloseBracketToken */;
}
function parseIndexSignatureDeclaration(fullStart, modifiers) {
var node = createNode(131 /* IndexSignature */, fullStart);
setModifiers(node, modifiers);
node.parameters = parseBracketedList(13 /* Parameters */, parseParameter, 17 /* OpenBracketToken */, 18 /* CloseBracketToken */);
node.type = parseTypeAnnotation();
parseTypeMemberSemicolon();
return finishNode(node);
}
function parsePropertyOrMethodSignature() {
var fullStart = scanner.getStartPos();
var name = parsePropertyName();
var questionToken = parseOptionalToken(49 /* QuestionToken */);
if (token === 15 /* OpenParenToken */ || token === 23 /* LessThanToken */) {
var method = createNode(125 /* Method */, fullStart);
method.name = name;
method.questionToken = questionToken;
fillSignature(50 /* ColonToken */, false, false, method);
parseTypeMemberSemicolon();
return finishNode(method);
}
else {
var property = createNode(124 /* Property */, fullStart);
property.name = name;
property.questionToken = questionToken;
property.type = parseTypeAnnotation();
parseTypeMemberSemicolon();
return finishNode(property);
}
}
function isStartOfTypeMember() {
switch (token) {
case 15 /* OpenParenToken */:
case 23 /* LessThanToken */:
case 17 /* OpenBracketToken */:
return true;
default:
return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName);
}
}
function isTypeMemberWithLiteralPropertyName() {
nextToken();
return token === 15 /* OpenParenToken */ || token === 23 /* LessThanToken */ || token === 49 /* QuestionToken */ || token === 50 /* ColonToken */ || canParseSemicolon();
}
function parseTypeMember() {
switch (token) {
case 15 /* OpenParenToken */:
case 23 /* LessThanToken */:
return parseSignatureMember(129 /* CallSignature */);
case 17 /* OpenBracketToken */:
return isIndexSignature() ? parseIndexSignatureDeclaration(scanner.getStartPos(), undefined) : parsePropertyOrMethodSignature();
case 86 /* NewKeyword */:
if (lookAhead(isStartOfConstructSignature)) {
return parseSignatureMember(130 /* ConstructSignature */);
}
case 7 /* StringLiteral */:
case 6 /* NumericLiteral */:
return parsePropertyOrMethodSignature();
default:
if (isIdentifierOrKeyword()) {
return parsePropertyOrMethodSignature();
}
}
}
function isStartOfConstructSignature() {
nextToken();
return token === 15 /* OpenParenToken */ || token === 23 /* LessThanToken */;
}
function parseTypeLiteral() {
var node = createNode(136 /* TypeLiteral */);
node.members = parseObjectTypeMembers();
return finishNode(node);
}
function parseObjectTypeMembers() {
var members;
if (parseExpected(13 /* OpenBraceToken */)) {
members = parseList(5 /* TypeMembers */, false, parseTypeMember);
parseExpected(14 /* CloseBraceToken */);
}
else {
members = createMissingList();
}
return members;
}
function parseTupleType() {
var node = createNode(138 /* TupleType */);
node.elementTypes = parseBracketedList(16 /* TupleElementTypes */, parseType, 17 /* OpenBracketToken */, 18 /* CloseBracketToken */);
return finishNode(node);
}
function parseParenthesizedType() {
var node = createNode(140 /* ParenthesizedType */);
parseExpected(15 /* OpenParenToken */);
node.type = parseType();
parseExpected(16 /* CloseParenToken */);
return finishNode(node);
}
function parseFunctionOrConstructorType(kind) {
var node = createNode(kind);
if (kind === 134 /* ConstructorType */) {
parseExpected(86 /* NewKeyword */);
}
fillSignature(31 /* EqualsGreaterThanToken */, false, false, node);
return finishNode(node);
}
function parseKeywordAndNoDot() {
var node = parseTokenNode();
return token === 19 /* DotToken */ ? undefined : node;
}
function parseNonArrayType() {
switch (token) {
case 109 /* AnyKeyword */:
case 118 /* StringKeyword */:
case 116 /* NumberKeyword */:
case 110 /* BooleanKeyword */:
var node = tryParse(parseKeywordAndNoDot);
return node || parseTypeReference();
case 97 /* VoidKeyword */:
return parseTokenNode();
case 95 /* TypeOfKeyword */:
return parseTypeQuery();
case 13 /* OpenBraceToken */:
return parseTypeLiteral();
case 17 /* OpenBracketToken */:
return parseTupleType();
case 15 /* OpenParenToken */:
return parseParenthesizedType();
default:
return parseTypeReference();
}
}
function isStartOfType() {
switch (token) {
case 109 /* AnyKeyword */:
case 118 /* StringKeyword */:
case 116 /* NumberKeyword */:
case 110 /* BooleanKeyword */:
case 97 /* VoidKeyword */:
case 95 /* TypeOfKeyword */:
case 13 /* OpenBraceToken */:
case 17 /* OpenBracketToken */:
case 23 /* LessThanToken */:
case 86 /* NewKeyword */:
return true;
case 15 /* OpenParenToken */:
return lookAhead(isStartOfParenthesizedOrFunctionType);
default:
return isIdentifier();
}
}
function isStartOfParenthesizedOrFunctionType() {
nextToken();
return token === 16 /* CloseParenToken */ || isStartOfParameter() || isStartOfType();
}
function parseArrayTypeOrHigher() {
var type = parseNonArrayType();
while (!scanner.hasPrecedingLineBreak() && parseOptional(17 /* OpenBracketToken */)) {
parseExpected(18 /* CloseBracketToken */);
var node = createNode(137 /* ArrayType */, type.pos);
node.elementType = type;
type = finishNode(node);
}
return type;
}
function parseUnionTypeOrHigher() {
var type = parseArrayTypeOrHigher();
if (token === 43 /* BarToken */) {
var types = [type];
types.pos = type.pos;
while (parseOptional(43 /* BarToken */)) {
types.push(parseArrayTypeOrHigher());
}
types.end = getNodeEnd();
var node = createNode(139 /* UnionType */, type.pos);
node.types = types;
type = finishNode(node);
}
return type;
}
function isStartOfFunctionType() {
if (token === 23 /* LessThanToken */) {
return true;
}
return token === 15 /* OpenParenToken */ && lookAhead(isUnambiguouslyStartOfFunctionType);
}
function isUnambiguouslyStartOfFunctionType() {
nextToken();
if (token === 16 /* CloseParenToken */ || token === 20 /* DotDotDotToken */) {
return true;
}
if (isIdentifier() || ts.isModifier(token)) {
nextToken();
if (token === 50 /* ColonToken */ || token === 22 /* CommaToken */ || token === 49 /* QuestionToken */ || token === 51 /* EqualsToken */ || isIdentifier() || ts.isModifier(token)) {
return true;
}
if (token === 16 /* CloseParenToken */) {
nextToken();
if (token === 31 /* EqualsGreaterThanToken */) {
return true;
}
}
}
return false;
}
function parseType() {
var savedYieldContext = inYieldContext();
var savedGeneratorParameterContext = inGeneratorParameterContext();
setYieldContext(false);
setGeneratorParameterContext(false);
var result = parseTypeWorker();
setYieldContext(savedYieldContext);
setGeneratorParameterContext(savedGeneratorParameterContext);
return result;
}
function parseTypeWorker() {
if (isStartOfFunctionType()) {
return parseFunctionOrConstructorType(133 /* FunctionType */);
}
if (token === 86 /* NewKeyword */) {
return parseFunctionOrConstructorType(134 /* ConstructorType */);
}
return parseUnionTypeOrHigher();
}
function parseTypeAnnotation() {
return parseOptional(50 /* ColonToken */) ? parseType() : undefined;
}
function isStartOfExpression() {
switch (token) {
case 91 /* ThisKeyword */:
case 89 /* SuperKeyword */:
case 87 /* NullKeyword */:
case 93 /* TrueKeyword */:
case 78 /* FalseKeyword */:
case 6 /* NumericLiteral */:
case 7 /* StringLiteral */:
case 9 /* NoSubstitutionTemplateLiteral */:
case 10 /* TemplateHead */:
case 15 /* OpenParenToken */:
case 17 /* OpenBracketToken */:
case 13 /* OpenBraceToken */:
case 81 /* FunctionKeyword */:
case 86 /* NewKeyword */:
case 35 /* SlashToken */:
case 55 /* SlashEqualsToken */:
case 32 /* PlusToken */:
case 33 /* MinusToken */:
case 46 /* TildeToken */:
case 45 /* ExclamationToken */:
case 72 /* DeleteKeyword */:
case 95 /* TypeOfKeyword */:
case 97 /* VoidKeyword */:
case 37 /* PlusPlusToken */:
case 38 /* MinusMinusToken */:
case 23 /* LessThanToken */:
case 63 /* Identifier */:
case 108 /* YieldKeyword */:
return true;
default:
if (isBinaryOperator()) {
return true;
}
return isIdentifier();
}
}
function isStartOfExpressionStatement() {
return token !== 13 /* OpenBraceToken */ && token !== 81 /* FunctionKeyword */ && isStartOfExpression();
}
function parseExpression() {
var expr = parseAssignmentExpressionOrHigher();
while (parseOptional(22 /* CommaToken */)) {
expr = makeBinaryExpression(expr, 22 /* CommaToken */, parseAssignmentExpressionOrHigher());
}
return expr;
}
function parseInitializer(inParameter) {
if (token !== 51 /* EqualsToken */) {
if (scanner.hasPrecedingLineBreak() || (inParameter && token === 13 /* OpenBraceToken */) || !isStartOfExpression()) {
return undefined;
}
}
parseExpected(51 /* EqualsToken */);
return parseAssignmentExpressionOrHigher();
}
function parseAssignmentExpressionOrHigher() {
if (isYieldExpression()) {
return parseYieldExpression();
}
var arrowExpression = tryParseParenthesizedArrowFunctionExpression();
if (arrowExpression) {
return arrowExpression;
}
var expr = parseBinaryExpressionOrHigher(0);
if (expr.kind === 63 /* Identifier */ && token === 31 /* EqualsGreaterThanToken */) {
return parseSimpleArrowFunctionExpression(expr);
}
if (isLeftHandSideExpression(expr) && isAssignmentOperator(reScanGreaterToken())) {
var operator = token;
nextToken();
return makeBinaryExpression(expr, operator, parseAssignmentExpressionOrHigher());
}
return parseConditionalExpressionRest(expr);
}
function isYieldExpression() {
if (token === 108 /* YieldKeyword */) {
if (inYieldContext()) {
return true;
}
if (inStrictModeContext()) {
return true;
}
return lookAhead(nextTokenIsIdentifierOnSameLine);
}
return false;
}
function nextTokenIsIdentifierOnSameLine() {
nextToken();
return !scanner.hasPrecedingLineBreak() && isIdentifier();
}
function parseYieldExpression() {
var node = createNode(160 /* YieldExpression */);
nextToken();
if (!scanner.hasPrecedingLineBreak() && (token === 34 /* AsteriskToken */ || isStartOfExpression())) {
node.asteriskToken = parseOptionalToken(34 /* AsteriskToken */);
node.expression = parseAssignmentExpressionOrHigher();
return finishNode(node);
}
else {
return finishNode(node);
}
}
function parseSimpleArrowFunctionExpression(identifier) {
ts.Debug.assert(token === 31 /* EqualsGreaterThanToken */, "parseSimpleArrowFunctionExpression should only have been called if we had a =>");
var node = createNode(151 /* ArrowFunction */, identifier.pos);
var parameter = createNode(123 /* Parameter */, identifier.pos);
parameter.name = identifier;
finishNode(parameter);
node.parameters = [parameter];
node.parameters.pos = parameter.pos;
node.parameters.end = parameter.end;
parseExpected(31 /* EqualsGreaterThanToken */);
node.body = parseArrowFunctionExpressionBody();
return finishNode(node);
}
function tryParseParenthesizedArrowFunctionExpression() {
var triState = isParenthesizedArrowFunctionExpression();
if (triState === 0 /* False */) {
return undefined;
}
var arrowFunction = triState === 1 /* True */ ? parseParenthesizedArrowFunctionExpressionHead(true) : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead);
if (!arrowFunction) {
return undefined;
}
if (parseExpected(31 /* EqualsGreaterThanToken */) || token === 13 /* OpenBraceToken */) {
arrowFunction.body = parseArrowFunctionExpressionBody();
}
else {
arrowFunction.body = parseIdentifier();
}
return finishNode(arrowFunction);
}
function isParenthesizedArrowFunctionExpression() {
if (token === 15 /* OpenParenToken */ || token === 23 /* LessThanToken */) {
return lookAhead(isParenthesizedArrowFunctionExpressionWorker);
}
if (token === 31 /* EqualsGreaterThanToken */) {
return 1 /* True */;
}
return 0 /* False */;
}
function isParenthesizedArrowFunctionExpressionWorker() {
var first = token;
var second = nextToken();
if (first === 15 /* OpenParenToken */) {
if (second === 16 /* CloseParenToken */) {
var third = nextToken();
switch (third) {
case 31 /* EqualsGreaterThanToken */:
case 50 /* ColonToken */:
case 13 /* OpenBraceToken */:
return 1 /* True */;
default:
return 0 /* False */;
}
}
if (second === 20 /* DotDotDotToken */) {
return 1 /* True */;
}
if (!isIdentifier()) {
return 0 /* False */;
}
if (nextToken() === 50 /* ColonToken */) {
return 1 /* True */;
}
return 2 /* Unknown */;
}
else {
ts.Debug.assert(first === 23 /* LessThanToken */);
if (!isIdentifier()) {
return 0 /* False */;
}
return 2 /* Unknown */;
}
}
function parsePossibleParenthesizedArrowFunctionExpressionHead() {
return parseParenthesizedArrowFunctionExpressionHead(false);
}
function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) {
var node = createNode(151 /* ArrowFunction */);
fillSignature(50 /* ColonToken */, false, !allowAmbiguity, node);
if (!node.parameters) {
return undefined;
}
if (!allowAmbiguity && token !== 31 /* EqualsGreaterThanToken */ && token !== 13 /* OpenBraceToken */) {
return undefined;
}
return node;
}
function parseArrowFunctionExpressionBody() {
if (token === 13 /* OpenBraceToken */) {
return parseFunctionBlock(false, false);
}
if (isStatement(true) && !isStartOfExpressionStatement() && token !== 81 /* FunctionKeyword */) {
return parseFunctionBlock(false, true);
}
return parseAssignmentExpressionOrHigher();
}
function parseConditionalExpressionRest(leftOperand) {
if (!parseOptional(49 /* QuestionToken */)) {
return leftOperand;
}
var node = createNode(158 /* ConditionalExpression */, leftOperand.pos);
node.condition = leftOperand;
node.whenTrue = allowInAnd(parseAssignmentExpressionOrHigher);
parseExpected(50 /* ColonToken */);
node.whenFalse = parseAssignmentExpressionOrHigher();
return finishNode(node);
}
function parseBinaryExpressionOrHigher(precedence) {
var leftOperand = parseUnaryExpressionOrHigher();
return parseBinaryExpressionRest(precedence, leftOperand);
}
function parseBinaryExpressionRest(precedence, leftOperand) {
while (true) {
reScanGreaterToken();
var newPrecedence = getBinaryOperatorPrecedence();
if (newPrecedence <= precedence) {
break;
}
if (token === 84 /* InKeyword */ && inDisallowInContext()) {
break;
}
var operator = token;
nextToken();
leftOperand = makeBinaryExpression(leftOperand, operator, parseBinaryExpressionOrHigher(newPrecedence));
}
return leftOperand;
}
function isBinaryOperator() {
if (inDisallowInContext() && token === 84 /* InKeyword */) {
return false;
}
return getBinaryOperatorPrecedence() > 0;
}
function getBinaryOperatorPrecedence() {
switch (token) {
case 48 /* BarBarToken */:
return 1;
case 47 /* AmpersandAmpersandToken */:
return 2;
case 43 /* BarToken */:
return 3;
case 44 /* CaretToken */:
return 4;
case 42 /* AmpersandToken */:
return 5;
case 27 /* EqualsEqualsToken */:
case 28 /* ExclamationEqualsToken */:
case 29 /* EqualsEqualsEqualsToken */:
case 30 /* ExclamationEqualsEqualsToken */:
return 6;
case 23 /* LessThanToken */:
case 24 /* GreaterThanToken */:
case 25 /* LessThanEqualsToken */:
case 26 /* GreaterThanEqualsToken */:
case 85 /* InstanceOfKeyword */:
case 84 /* InKeyword */:
return 7;
case 39 /* LessThanLessThanToken */:
case 40 /* GreaterThanGreaterThanToken */:
case 41 /* GreaterThanGreaterThanGreaterThanToken */:
return 8;
case 32 /* PlusToken */:
case 33 /* MinusToken */:
return 9;
case 34 /* AsteriskToken */:
case 35 /* SlashToken */:
case 36 /* PercentToken */:
return 10;
}
return -1;
}
function makeBinaryExpression(left, operator, right) {
var node = createNode(157 /* BinaryExpression */, left.pos);
node.left = left;
node.operator = operator;
node.right = right;
return finishNode(node);
}
function parsePrefixUnaryExpression() {
var node = createNode(155 /* PrefixUnaryExpression */);
node.operator = token;
nextToken();
node.operand = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseDeleteExpression() {
var node = createNode(152 /* DeleteExpression */);
nextToken();
node.expression = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseTypeOfExpression() {
var node = createNode(153 /* TypeOfExpression */);
nextToken();
node.expression = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseVoidExpression() {
var node = createNode(154 /* VoidExpression */);
nextToken();
node.expression = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseUnaryExpressionOrHigher() {
switch (token) {
case 32 /* PlusToken */:
case 33 /* MinusToken */:
case 46 /* TildeToken */:
case 45 /* ExclamationToken */:
case 37 /* PlusPlusToken */:
case 38 /* MinusMinusToken */:
return parsePrefixUnaryExpression();
case 72 /* DeleteKeyword */:
return parseDeleteExpression();
case 95 /* TypeOfKeyword */:
return parseTypeOfExpression();
case 97 /* VoidKeyword */:
return parseVoidExpression();
case 23 /* LessThanToken */:
return parseTypeAssertion();
default:
return parsePostfixExpressionOrHigher();
}
}
function parsePostfixExpressionOrHigher() {
var expression = parseLeftHandSideExpressionOrHigher();
ts.Debug.assert(isLeftHandSideExpression(expression));
if ((token === 37 /* PlusPlusToken */ || token === 38 /* MinusMinusToken */) && !scanner.hasPrecedingLineBreak()) {
var node = createNode(156 /* PostfixUnaryExpression */, expression.pos);
node.operand = expression;
node.operator = token;
nextToken();
return finishNode(node);
}
return expression;
}
function parseLeftHandSideExpressionOrHigher() {
var expression = token === 89 /* SuperKeyword */ ? parseSuperExpression() : parseMemberExpressionOrHigher();
return parseCallExpressionRest(expression);
}
function parseMemberExpressionOrHigher() {
var expression = parsePrimaryExpression();
return parseMemberExpressionRest(expression);
}
function parseSuperExpression() {
var expression = parseTokenNode();
if (token === 15 /* OpenParenToken */ || token === 19 /* DotToken */) {
return expression;
}
var node = createNode(143 /* PropertyAccessExpression */, expression.pos);
node.expression = expression;
parseExpected(19 /* DotToken */, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access);
node.name = parseRightSideOfDot(true);
return finishNode(node);
}
function parseTypeAssertion() {
var node = createNode(148 /* TypeAssertionExpression */);
parseExpected(23 /* LessThanToken */);
node.type = parseType();
parseExpected(24 /* GreaterThanToken */);
node.expression = parseUnaryExpressionOrHigher();
return finishNode(node);
}
function parseMemberExpressionRest(expression) {
while (true) {
var dotOrBracketStart = scanner.getTokenPos();
if (parseOptional(19 /* DotToken */)) {
var propertyAccess = createNode(143 /* PropertyAccessExpression */, expression.pos);
propertyAccess.expression = expression;
propertyAccess.name = parseRightSideOfDot(true);
expression = finishNode(propertyAccess);
continue;
}
if (parseOptional(17 /* OpenBracketToken */)) {
var indexedAccess = createNode(144 /* ElementAccessExpression */, expression.pos);
indexedAccess.expression = expression;
if (token !== 18 /* CloseBracketToken */) {
indexedAccess.argumentExpression = allowInAnd(parseExpression);
if (indexedAccess.argumentExpression.kind === 7 /* StringLiteral */ || indexedAccess.argumentExpression.kind === 6 /* NumericLiteral */) {
var literal = indexedAccess.argumentExpression;
literal.text = internIdentifier(literal.text);
}
}
parseExpected(18 /* CloseBracketToken */);
expression = finishNode(indexedAccess);
continue;
}
if (token === 9 /* NoSubstitutionTemplateLiteral */ || token === 10 /* TemplateHead */) {
var tagExpression = createNode(147 /* TaggedTemplateExpression */, expression.pos);
tagExpression.tag = expression;
tagExpression.template = token === 9 /* NoSubstitutionTemplateLiteral */ ? parseLiteralNode() : parseTemplateExpression();
expression = finishNode(tagExpression);
continue;
}
return expression;
}
}
function parseCallExpressionRest(expression) {
while (true) {
expression = parseMemberExpressionRest(expression);
if (token === 23 /* LessThanToken */) {
var typeArguments = tryParse(parseTypeArgumentsInExpression);
if (!typeArguments) {
return expression;
}
var callExpr = createNode(145 /* CallExpression */, expression.pos);
callExpr.expression = expression;
callExpr.typeArguments = typeArguments;
callExpr.arguments = parseArgumentList();
expression = finishNode(callExpr);
continue;
}
else if (token === 15 /* OpenParenToken */) {
var callExpr = createNode(145 /* CallExpression */, expression.pos);
callExpr.expression = expression;
callExpr.arguments = parseArgumentList();
expression = finishNode(callExpr);
continue;
}
return expression;
}
}
function parseArgumentList() {
parseExpected(15 /* OpenParenToken */);
var result = parseDelimitedList(10 /* ArgumentExpressions */, parseArgumentExpression);
parseExpected(16 /* CloseParenToken */);
return result;
}
function parseTypeArgumentsInExpression() {
if (!parseOptional(23 /* LessThanToken */)) {
return undefined;
}
var typeArguments = parseDelimitedList(15 /* TypeArguments */, parseType);
if (!parseExpected(24 /* GreaterThanToken */)) {
return undefined;
}
return typeArguments && canFollowTypeArgumentsInExpression() ? typeArguments : undefined;
}
function canFollowTypeArgumentsInExpression() {
switch (token) {
case 15 /* OpenParenToken */:
case 19 /* DotToken */:
case 16 /* CloseParenToken */:
case 18 /* CloseBracketToken */:
case 50 /* ColonToken */:
case 21 /* SemicolonToken */:
case 22 /* CommaToken */:
case 49 /* QuestionToken */:
case 27 /* EqualsEqualsToken */:
case 29 /* EqualsEqualsEqualsToken */:
case 28 /* ExclamationEqualsToken */:
case 30 /* ExclamationEqualsEqualsToken */:
case 47 /* AmpersandAmpersandToken */:
case 48 /* BarBarToken */:
case 44 /* CaretToken */:
case 42 /* AmpersandToken */:
case 43 /* BarToken */:
case 14 /* CloseBraceToken */:
case 1 /* EndOfFileToken */:
return true;
default:
return false;
}
}
function parsePrimaryExpression() {
switch (token) {
case 6 /* NumericLiteral */:
case 7 /* StringLiteral */:
case 9 /* NoSubstitutionTemplateLiteral */:
return parseLiteralNode();
case 91 /* ThisKeyword */:
case 89 /* SuperKeyword */:
case 87 /* NullKeyword */:
case 93 /* TrueKeyword */:
case 78 /* FalseKeyword */:
return parseTokenNode();
case 15 /* OpenParenToken */:
return parseParenthesizedExpression();
case 17 /* OpenBracketToken */:
return parseArrayLiteralExpression();
case 13 /* OpenBraceToken */:
return parseObjectLiteralExpression();
case 81 /* FunctionKeyword */:
return parseFunctionExpression();
case 86 /* NewKeyword */:
return parseNewExpression();
case 35 /* SlashToken */:
case 55 /* SlashEqualsToken */:
if (reScanSlashToken() === 8 /* RegularExpressionLiteral */) {
return parseLiteralNode();
}
break;
case 10 /* TemplateHead */:
return parseTemplateExpression();
}
return parseIdentifier(ts.Diagnostics.Expression_expected);
}
function parseParenthesizedExpression() {
var node = createNode(149 /* ParenthesizedExpression */);
parseExpected(15 /* OpenParenToken */);
node.expression = allowInAnd(parseExpression);
parseExpected(16 /* CloseParenToken */);
return finishNode(node);
}
function parseAssignmentExpressionOrOmittedExpression() {
return token === 22 /* CommaToken */ ? createNode(161 /* OmittedExpression */) : parseAssignmentExpressionOrHigher();
}
function parseArrayLiteralElement() {
return parseAssignmentExpressionOrOmittedExpression();
}
function parseArgumentExpression() {
return allowInAnd(parseAssignmentExpressionOrOmittedExpression);
}
function parseArrayLiteralExpression() {
var node = createNode(141 /* ArrayLiteralExpression */);
parseExpected(17 /* OpenBracketToken */);
if (scanner.hasPrecedingLineBreak())
node.flags |= 256 /* MultiLine */;
node.elements = parseDelimitedList(12 /* ArrayLiteralMembers */, parseArrayLiteralElement);
parseExpected(18 /* CloseBracketToken */);
return finishNode(node);
}
function parseObjectLiteralElement() {
var fullStart = scanner.getStartPos();
var initialToken = token;
if (parseContextualModifier(113 /* GetKeyword */) || parseContextualModifier(117 /* SetKeyword */)) {
var kind = initialToken === 113 /* GetKeyword */ ? 127 /* GetAccessor */ : 128 /* SetAccessor */;
return parseAccessorDeclaration(kind, fullStart, undefined);
}
var asteriskToken = parseOptionalToken(34 /* AsteriskToken */);
var tokenIsIdentifier = isIdentifier();
var nameToken = token;
var propertyName = parsePropertyName();
if (asteriskToken || token === 15 /* OpenParenToken */ || token === 23 /* LessThanToken */) {
return parseMethodDeclaration(fullStart, undefined, asteriskToken, propertyName, undefined, true);
}
var questionToken = parseOptionalToken(49 /* QuestionToken */);
if ((token === 22 /* CommaToken */ || token === 14 /* CloseBraceToken */) && tokenIsIdentifier) {
var shorthandDeclaration = createNode(199 /* ShorthandPropertyAssignment */, fullStart);
shorthandDeclaration.name = propertyName;
shorthandDeclaration.questionToken = questionToken;
return finishNode(shorthandDeclaration);
}
else {
var propertyAssignment = createNode(198 /* PropertyAssignment */, fullStart);
propertyAssignment.name = propertyName;
propertyAssignment.questionToken = questionToken;
parseExpected(50 /* ColonToken */);
propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher);
return finishNode(propertyAssignment);
}
}
function parseObjectLiteralExpression() {
var node = createNode(142 /* ObjectLiteralExpression */);
parseExpected(13 /* OpenBraceToken */);
if (scanner.hasPrecedingLineBreak()) {
node.flags |= 256 /* MultiLine */;
}
node.properties = parseDelimitedList(11 /* ObjectLiteralMembers */, parseObjectLiteralElement);
parseExpected(14 /* CloseBraceToken */);
return finishNode(node);
}
function parseFunctionExpression() {
var node = createNode(150 /* FunctionExpression */);
parseExpected(81 /* FunctionKeyword */);
node.asteriskToken = parseOptionalToken(34 /* AsteriskToken */);
node.name = node.asteriskToken ? doInYieldContext(parseOptionalIdentifier) : parseOptionalIdentifier();
fillSignature(50 /* ColonToken */, !!node.asteriskToken, false, node);
node.body = parseFunctionBlock(!!node.asteriskToken, false);
return finishNode(node);
}
function parseOptionalIdentifier() {
return isIdentifier() ? parseIdentifier() : undefined;
}
function parseNewExpression() {
var node = createNode(146 /* NewExpression */);
parseExpected(86 /* NewKeyword */);
node.expression = parseMemberExpressionOrHigher();
node.typeArguments = tryParse(parseTypeArgumentsInExpression);
if (node.typeArguments || token === 15 /* OpenParenToken */) {
node.arguments = parseArgumentList();
}
return finishNode(node);
}
function parseBlock(kind, ignoreMissingOpenBrace, checkForStrictMode) {
var node = createNode(kind);
if (parseExpected(13 /* OpenBraceToken */) || ignoreMissingOpenBrace) {
node.statements = parseList(2 /* BlockStatements */, checkForStrictMode, parseStatement);
parseExpected(14 /* CloseBraceToken */);
}
else {
node.statements = createMissingList();
}
return finishNode(node);
}
function parseFunctionBlock(allowYield, ignoreMissingOpenBrace) {
var savedYieldContext = inYieldContext();
setYieldContext(allowYield);
var block = parseBlock(163 /* Block */, ignoreMissingOpenBrace, true);
setYieldContext(savedYieldContext);
return block;
}
function parseEmptyStatement() {
var node = createNode(165 /* EmptyStatement */);
parseExpected(21 /* SemicolonToken */);
return finishNode(node);
}
function parseIfStatement() {
var node = createNode(167 /* IfStatement */);
parseExpected(82 /* IfKeyword */);
parseExpected(15 /* OpenParenToken */);
node.expression = allowInAnd(parseExpression);
parseExpected(16 /* CloseParenToken */);
node.thenStatement = parseStatement();
node.elseStatement = parseOptional(74 /* ElseKeyword */) ? parseStatement() : undefined;
return finishNode(node);
}
function parseDoStatement() {
var node = createNode(168 /* DoStatement */);
parseExpected(73 /* DoKeyword */);
node.statement = parseStatement();
parseExpected(98 /* WhileKeyword */);
parseExpected(15 /* OpenParenToken */);
node.expression = allowInAnd(parseExpression);
parseExpected(16 /* CloseParenToken */);
parseOptional(21 /* SemicolonToken */);
return finishNode(node);
}
function parseWhileStatement() {
var node = createNode(169 /* WhileStatement */);
parseExpected(98 /* WhileKeyword */);
parseExpected(15 /* OpenParenToken */);
node.expression = allowInAnd(parseExpression);
parseExpected(16 /* CloseParenToken */);
node.statement = parseStatement();
return finishNode(node);
}
function parseForOrForInStatement() {
var pos = getNodePos();
parseExpected(80 /* ForKeyword */);
parseExpected(15 /* OpenParenToken */);
if (token !== 21 /* SemicolonToken */) {
if (parseOptional(96 /* VarKeyword */)) {
var declarations = disallowInAnd(parseVariableDeclarationList);
}
else if (parseOptional(102 /* LetKeyword */)) {
var declarations = setFlag(disallowInAnd(parseVariableDeclarationList), 2048 /* Let */);
}
else if (parseOptional(68 /* ConstKeyword */)) {
var declarations = setFlag(disallowInAnd(parseVariableDeclarationList), 4096 /* Const */);
}
else {
var varOrInit = disallowInAnd(parseExpression);
}
}
var forOrForInStatement;
if (parseOptional(84 /* InKeyword */)) {
var forInStatement = createNode(171 /* ForInStatement */, pos);
if (declarations) {
forInStatement.declarations = declarations;
}
else {
forInStatement.variable = varOrInit;
}
forInStatement.expression = allowInAnd(parseExpression);
parseExpected(16 /* CloseParenToken */);
forOrForInStatement = forInStatement;
}
else {
var forStatement = createNode(170 /* ForStatement */, pos);
if (declarations) {
forStatement.declarations = declarations;
}
if (varOrInit) {
forStatement.initializer = varOrInit;
}
parseExpected(21 /* SemicolonToken */);
if (token !== 21 /* SemicolonToken */ && token !== 16 /* CloseParenToken */) {
forStatement.condition = allowInAnd(parseExpression);
}
parseExpected(21 /* SemicolonToken */);
if (token !== 16 /* CloseParenToken */) {
forStatement.iterator = allowInAnd(parseExpression);
}
parseExpected(16 /* CloseParenToken */);
forOrForInStatement = forStatement;
}
forOrForInStatement.statement = parseStatement();
return finishNode(forOrForInStatement);
}
function parseBreakOrContinueStatement(kind) {
var node = createNode(kind);
parseExpected(kind === 173 /* BreakStatement */ ? 64 /* BreakKeyword */ : 69 /* ContinueKeyword */);
if (!canParseSemicolon()) {
node.label = parseIdentifier();
}
parseSemicolon();
return finishNode(node);
}
function parseReturnStatement() {
var node = createNode(174 /* ReturnStatement */);
parseExpected(88 /* ReturnKeyword */);
if (!canParseSemicolon()) {
node.expression = allowInAnd(parseExpression);
}
parseSemicolon();
return finishNode(node);
}
function parseWithStatement() {
var node = createNode(175 /* WithStatement */);
parseExpected(99 /* WithKeyword */);
parseExpected(15 /* OpenParenToken */);
node.expression = allowInAnd(parseExpression);
parseExpected(16 /* CloseParenToken */);
node.statement = parseStatement();
return finishNode(node);
}
function parseCaseClause() {
var node = createNode(194 /* CaseClause */);
parseExpected(65 /* CaseKeyword */);
node.expression = allowInAnd(parseExpression);
parseExpected(50 /* ColonToken */);
node.statements = parseList(4 /* SwitchClauseStatements */, false, parseStatement);
return finishNode(node);
}
function parseDefaultClause() {
var node = createNode(195 /* DefaultClause */);
parseExpected(71 /* DefaultKeyword */);
parseExpected(50 /* ColonToken */);
node.statements = parseList(4 /* SwitchClauseStatements */, false, parseStatement);
return finishNode(node);
}
function parseCaseOrDefaultClause() {
return token === 65 /* CaseKeyword */ ? parseCaseClause() : parseDefaultClause();
}
function parseSwitchStatement() {
var node = createNode(176 /* SwitchStatement */);
parseExpected(90 /* SwitchKeyword */);
parseExpected(15 /* OpenParenToken */);
node.expression = allowInAnd(parseExpression);
parseExpected(16 /* CloseParenToken */);
parseExpected(13 /* OpenBraceToken */);
node.clauses = parseList(3 /* SwitchClauses */, false, parseCaseOrDefaultClause);
parseExpected(14 /* CloseBraceToken */);
return finishNode(node);
}
function parseThrowStatement() {
var node = createNode(178 /* ThrowStatement */);
parseExpected(92 /* ThrowKeyword */);
node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression);
parseSemicolon();
return finishNode(node);
}
function parseTryStatement() {
var node = createNode(179 /* TryStatement */);
node.tryBlock = parseTokenAndBlock(94 /* TryKeyword */);
node.catchClause = token === 66 /* CatchKeyword */ ? parseCatchClause() : undefined;
node.finallyBlock = !node.catchClause || token === 79 /* FinallyKeyword */ ? parseTokenAndBlock(79 /* FinallyKeyword */) : undefined;
return finishNode(node);
}
function parseTokenAndBlock(token) {
var pos = getNodePos();
parseExpected(token);
var result = parseBlock(token === 94 /* TryKeyword */ ? 180 /* TryBlock */ : 181 /* FinallyBlock */, false, false);
result.pos = pos;
return result;
}
function parseCatchClause() {
var result = createNode(197 /* CatchClause */);
parseExpected(66 /* CatchKeyword */);
parseExpected(15 /* OpenParenToken */);
result.name = parseIdentifier();
result.type = parseTypeAnnotation();
parseExpected(16 /* CloseParenToken */);
result.block = parseBlock(163 /* Block */, false, false);
return finishNode(result);
}
function parseDebuggerStatement() {
var node = createNode(182 /* DebuggerStatement */);
parseExpected(70 /* DebuggerKeyword */);
parseSemicolon();
return finishNode(node);
}
function isLabel() {
return isIdentifier() && lookAhead(nextTokenIsColonToken);
}
function nextTokenIsColonToken() {
return nextToken() === 50 /* ColonToken */;
}
function parseLabeledStatement() {
var node = createNode(177 /* LabeledStatement */);
node.label = parseIdentifier();
parseExpected(50 /* ColonToken */);
node.statement = parseStatement();
return finishNode(node);
}
function parseExpressionStatement() {
var node = createNode(166 /* ExpressionStatement */);
node.expression = allowInAnd(parseExpression);
parseSemicolon();
return finishNode(node);
}
function isStatement(inErrorRecovery) {
switch (token) {
case 21 /* SemicolonToken */:
return !inErrorRecovery;
case 13 /* OpenBraceToken */:
case 96 /* VarKeyword */:
case 102 /* LetKeyword */:
case 81 /* FunctionKeyword */:
case 82 /* IfKeyword */:
case 73 /* DoKeyword */:
case 98 /* WhileKeyword */:
case 80 /* ForKeyword */:
case 69 /* ContinueKeyword */:
case 64 /* BreakKeyword */:
case 88 /* ReturnKeyword */:
case 99 /* WithKeyword */:
case 90 /* SwitchKeyword */:
case 92 /* ThrowKeyword */:
case 94 /* TryKeyword */:
case 70 /* DebuggerKeyword */:
case 66 /* CatchKeyword */:
case 79 /* FinallyKeyword */:
return true;
case 68 /* ConstKeyword */:
var isConstEnum = lookAhead(nextTokenIsEnumKeyword);
return !isConstEnum;
case 101 /* InterfaceKeyword */:
case 67 /* ClassKeyword */:
case 114 /* ModuleKeyword */:
case 75 /* EnumKeyword */:
case 119 /* TypeKeyword */:
if (isDeclarationStart()) {
return false;
}
case 106 /* PublicKeyword */:
case 104 /* PrivateKeyword */:
case 105 /* ProtectedKeyword */:
case 107 /* StaticKeyword */:
if (lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine)) {
return false;
}
default:
return isStartOfExpression();
}
}
function nextTokenIsEnumKeyword() {
nextToken();
return token === 75 /* EnumKeyword */;
}
function nextTokenIsIdentifierOrKeywordOnSameLine() {
nextToken();
return isIdentifierOrKeyword() && !scanner.hasPrecedingLineBreak();
}
function parseStatement() {
switch (token) {
case 13 /* OpenBraceToken */:
return parseBlock(163 /* Block */, false, false);
case 96 /* VarKeyword */:
case 68 /* ConstKeyword */:
return parseVariableStatement(scanner.getStartPos(), undefined);
case 81 /* FunctionKeyword */:
return parseFunctionDeclaration(scanner.getStartPos(), undefined);
case 21 /* SemicolonToken */:
return parseEmptyStatement();
case 82 /* IfKeyword */:
return parseIfStatement();
case 73 /* DoKeyword */:
return parseDoStatement();
case 98 /* WhileKeyword */:
return parseWhileStatement();
case 80 /* ForKeyword */:
return parseForOrForInStatement();
case 69 /* ContinueKeyword */:
return parseBreakOrContinueStatement(172 /* ContinueStatement */);
case 64 /* BreakKeyword */:
return parseBreakOrContinueStatement(173 /* BreakStatement */);
case 88 /* ReturnKeyword */:
return parseReturnStatement();
case 99 /* WithKeyword */:
return parseWithStatement();
case 90 /* SwitchKeyword */:
return parseSwitchStatement();
case 92 /* ThrowKeyword */:
return parseThrowStatement();
case 94 /* TryKeyword */:
case 66 /* CatchKeyword */:
case 79 /* FinallyKeyword */:
return parseTryStatement();
case 70 /* DebuggerKeyword */:
return parseDebuggerStatement();
case 102 /* LetKeyword */:
if (isLetDeclaration()) {
return parseVariableStatement(scanner.getStartPos(), undefined);
}
default:
return isLabel() ? parseLabeledStatement() : parseExpressionStatement();
}
}
function parseFunctionBlockOrSemicolon(isGenerator) {
if (token === 13 /* OpenBraceToken */) {
return parseFunctionBlock(isGenerator, false);
}
parseSemicolon(ts.Diagnostics.or_expected);
return undefined;
}
function parseVariableDeclaration() {
var node = createNode(183 /* VariableDeclaration */);
node.name = parseIdentifier();
node.type = parseTypeAnnotation();
node.initializer = parseInitializer(false);
return finishNode(node);
}
function setFlag(array, flag) {
for (var i = 0, n = array.length; i < n; i++) {
array[i].flags |= flag;
}
return array;
}
function parseVariableDeclarationList() {
return parseDelimitedList(9 /* VariableDeclarations */, parseVariableDeclaration);
}
function parseVariableStatement(fullStart, modifiers) {
var node = createNode(164 /* VariableStatement */, fullStart);
setModifiers(node, modifiers);
if (token === 102 /* LetKeyword */) {
node.flags |= 2048 /* Let */;
}
else if (token === 68 /* ConstKeyword */) {
node.flags |= 4096 /* Const */;
}
else {
ts.Debug.assert(token === 96 /* VarKeyword */);
}
nextToken();
node.declarations = allowInAnd(parseVariableDeclarationList);
setFlag(node.declarations, node.flags);
parseSemicolon();
return finishNode(node);
}
function parseFunctionDeclaration(fullStart, modifiers) {
var node = createNode(184 /* FunctionDeclaration */, fullStart);
setModifiers(node, modifiers);
parseExpected(81 /* FunctionKeyword */);
node.asteriskToken = parseOptionalToken(34 /* AsteriskToken */);
node.name = parseIdentifier();
fillSignature(50 /* ColonToken */, !!node.asteriskToken, false, node);
node.body = parseFunctionBlockOrSemicolon(!!node.asteriskToken);
return finishNode(node);
}
function parseConstructorDeclaration(pos, modifiers) {
var node = createNode(126 /* Constructor */, pos);
setModifiers(node, modifiers);
parseExpected(111 /* ConstructorKeyword */);
fillSignature(50 /* ColonToken */, false, false, node);
node.body = parseFunctionBlockOrSemicolon(false);
return finishNode(node);
}
function parseMethodDeclaration(fullStart, modifiers, asteriskToken, name, questionToken, requireBlock) {
var method = createNode(125 /* Method */, fullStart);
setModifiers(method, modifiers);
method.asteriskToken = asteriskToken;
method.name = name;
method.questionToken = questionToken;
fillSignature(50 /* ColonToken */, !!asteriskToken, false, method);
method.body = requireBlock ? parseFunctionBlock(!!asteriskToken, false) : parseFunctionBlockOrSemicolon(!!asteriskToken);
return finishNode(method);
}
function parsePropertyOrMethodDeclaration(fullStart, modifiers) {
var asteriskToken = parseOptionalToken(34 /* AsteriskToken */);
var name = parsePropertyName();
var questionToken = parseOptionalToken(49 /* QuestionToken */);
if (asteriskToken || token === 15 /* OpenParenToken */ || token === 23 /* LessThanToken */) {
return parseMethodDeclaration(fullStart, modifiers, asteriskToken, name, questionToken, false);
}
else {
var property = createNode(124 /* Property */, fullStart);
setModifiers(property, modifiers);
property.name = name;
property.questionToken = questionToken;
property.type = parseTypeAnnotation();
property.initializer = allowInAnd(parseNonParameterInitializer);
parseSemicolon();
return finishNode(property);
}
}
function parseNonParameterInitializer() {
return parseInitializer(false);
}
function parseAccessorDeclaration(kind, fullStart, modifiers) {
var node = createNode(kind, fullStart);
setModifiers(node, modifiers);
node.name = parsePropertyName();
fillSignature(50 /* ColonToken */, false, false, node);
node.body = parseFunctionBlockOrSemicolon(false);
return finishNode(node);
}
function isClassMemberStart() {
var idToken;
while (ts.isModifier(token)) {
idToken = token;
nextToken();
}
if (token === 34 /* AsteriskToken */) {
return true;
}
if (isLiteralPropertyName()) {
idToken = token;
nextToken();
}
if (token === 17 /* OpenBracketToken */) {
return true;
}
if (idToken !== undefined) {
if (!ts.isKeyword(idToken) || idToken === 117 /* SetKeyword */ || idToken === 113 /* GetKeyword */) {
return true;
}
switch (token) {
case 15 /* OpenParenToken */:
case 23 /* LessThanToken */:
case 50 /* ColonToken */:
case 51 /* EqualsToken */:
case 49 /* QuestionToken */:
return true;
default:
return canParseSemicolon();
}
}
return false;
}
function parseModifiers() {
var flags = 0;
var modifiers;
while (true) {
var modifierStart = scanner.getStartPos();
var modifierKind = token;
if (!parseAnyContextualModifier()) {
break;
}
if (!modifiers) {
modifiers = [];
modifiers.pos = modifierStart;
}
flags |= modifierToFlag(modifierKind);
modifiers.push(finishNode(createNode(modifierKind, modifierStart)));
}
if (modifiers) {
modifiers.flags = flags;
modifiers.end = scanner.getStartPos();
}
return modifiers;
}
function parseClassElement() {
var fullStart = getNodePos();
var modifiers = parseModifiers();
if (parseContextualModifier(113 /* GetKeyword */)) {
return parseAccessorDeclaration(127 /* GetAccessor */, fullStart, modifiers);
}
if (parseContextualModifier(117 /* SetKeyword */)) {
return parseAccessorDeclaration(128 /* SetAccessor */, fullStart, modifiers);
}
if (token === 111 /* ConstructorKeyword */) {
return parseConstructorDeclaration(fullStart, modifiers);
}
if (isIndexSignature()) {
return parseIndexSignatureDeclaration(fullStart, modifiers);
}
if (isIdentifierOrKeyword() || token === 7 /* StringLiteral */ || token === 6 /* NumericLiteral */ || token === 34 /* AsteriskToken */ || token === 17 /* OpenBracketToken */) {
return parsePropertyOrMethodDeclaration(fullStart, modifiers);
}
ts.Debug.fail("Should not have attempted to parse class member declaration.");
}
function parseClassDeclaration(fullStart, modifiers) {
var node = createNode(185 /* ClassDeclaration */, fullStart);
setModifiers(node, modifiers);
parseExpected(67 /* ClassKeyword */);
node.name = parseIdentifier();
node.typeParameters = parseTypeParameters();
node.heritageClauses = parseHeritageClauses(true);
if (parseExpected(13 /* OpenBraceToken */)) {
node.members = inGeneratorParameterContext() ? doOutsideOfYieldContext(parseClassMembers) : parseClassMembers();
parseExpected(14 /* CloseBraceToken */);
}
else {
node.members = createMissingList();
}
return finishNode(node);
}
function parseHeritageClauses(isClassHeritageClause) {
if (isHeritageClause()) {
return isClassHeritageClause && inGeneratorParameterContext() ? doOutsideOfYieldContext(parseHeritageClausesWorker) : parseHeritageClausesWorker();
}
return undefined;
}
function parseHeritageClausesWorker() {
return parseList(17 /* HeritageClauses */, false, parseHeritageClause);
}
function parseHeritageClause() {
if (token === 77 /* ExtendsKeyword */ || token === 100 /* ImplementsKeyword */) {
var node = createNode(196 /* HeritageClause */);
node.token = token;
nextToken();
node.types = parseDelimitedList(8 /* TypeReferences */, parseTypeReference);
return finishNode(node);
}
return undefined;
}
function isHeritageClause() {
return token === 77 /* ExtendsKeyword */ || token === 100 /* ImplementsKeyword */;
}
function parseClassMembers() {
return parseList(6 /* ClassMembers */, false, parseClassElement);
}
function parseInterfaceDeclaration(fullStart, modifiers) {
var node = createNode(186 /* InterfaceDeclaration */, fullStart);
setModifiers(node, modifiers);
parseExpected(101 /* InterfaceKeyword */);
node.name = parseIdentifier();
node.typeParameters = parseTypeParameters();
node.heritageClauses = parseHeritageClauses(false);
node.members = parseObjectTypeMembers();
return finishNode(node);
}
function parseTypeAliasDeclaration(fullStart, modifiers) {
var node = createNode(187 /* TypeAliasDeclaration */, fullStart);
setModifiers(node, modifiers);
parseExpected(119 /* TypeKeyword */);
node.name = parseIdentifier();
parseExpected(51 /* EqualsToken */);
node.type = parseType();
parseSemicolon();
return finishNode(node);
}
function parseEnumMember() {
var node = createNode(200 /* EnumMember */, scanner.getStartPos());
node.name = parsePropertyName();
node.initializer = allowInAnd(parseNonParameterInitializer);
return finishNode(node);
}
function parseEnumDeclaration(fullStart, modifiers) {
var node = createNode(188 /* EnumDeclaration */, fullStart);
setModifiers(node, modifiers);
parseExpected(75 /* EnumKeyword */);
node.name = parseIdentifier();
if (parseExpected(13 /* OpenBraceToken */)) {
node.members = parseDelimitedList(7 /* EnumMembers */, parseEnumMember);
parseExpected(14 /* CloseBraceToken */);
}
else {
node.members = createMissingList();
}
return finishNode(node);
}
function parseModuleBlock() {
var node = createNode(190 /* ModuleBlock */, scanner.getStartPos());
if (parseExpected(13 /* OpenBraceToken */)) {
node.statements = parseList(1 /* ModuleElements */, false, parseModuleElement);
parseExpected(14 /* CloseBraceToken */);
}
else {
node.statements = createMissingList();
}
return finishNode(node);
}
function parseInternalModuleTail(fullStart, modifiers, flags) {
var node = createNode(189 /* ModuleDeclaration */, fullStart);
setModifiers(node, modifiers);
node.flags |= flags;
node.name = parseIdentifier();
node.body = parseOptional(19 /* DotToken */) ? parseInternalModuleTail(getNodePos(), undefined, 1 /* Export */) : parseModuleBlock();
return finishNode(node);
}
function parseAmbientExternalModuleDeclaration(fullStart, modifiers) {
var node = createNode(189 /* ModuleDeclaration */, fullStart);
setModifiers(node, modifiers);
node.name = parseLiteralNode(true);
node.body = parseModuleBlock();
return finishNode(node);
}
function parseModuleDeclaration(fullStart, modifiers) {
parseExpected(114 /* ModuleKeyword */);
return token === 7 /* StringLiteral */ ? parseAmbientExternalModuleDeclaration(fullStart, modifiers) : parseInternalModuleTail(fullStart, modifiers, modifiers ? modifiers.flags : 0);
}
function isExternalModuleReference() {
return token === 115 /* RequireKeyword */ && lookAhead(nextTokenIsOpenParen);
}
function nextTokenIsOpenParen() {
return nextToken() === 15 /* OpenParenToken */;
}
function parseImportDeclaration(fullStart, modifiers) {
var node = createNode(191 /* ImportDeclaration */, fullStart);
setModifiers(node, modifiers);
parseExpected(83 /* ImportKeyword */);
node.name = parseIdentifier();
parseExpected(51 /* EqualsToken */);
node.moduleReference = parseModuleReference();
parseSemicolon();
return finishNode(node);
}
function parseModuleReference() {
return isExternalModuleReference() ? parseExternalModuleReference() : parseEntityName(false);
}
function parseExternalModuleReference() {
var node = createNode(193 /* ExternalModuleReference */);
parseExpected(115 /* RequireKeyword */);
parseExpected(15 /* OpenParenToken */);
node.expression = parseExpression();
if (node.expression.kind === 7 /* StringLiteral */) {
internIdentifier(node.expression.text);
}
parseExpected(16 /* CloseParenToken */);
return finishNode(node);
}
function parseExportAssignmentTail(fullStart, modifiers) {
var node = createNode(192 /* ExportAssignment */, fullStart);
setModifiers(node, modifiers);
node.exportName = parseIdentifier();
parseSemicolon();
return finishNode(node);
}
function isLetDeclaration() {
return inStrictModeContext() || lookAhead(nextTokenIsIdentifierOnSameLine);
}
function isDeclarationStart() {
switch (token) {
case 96 /* VarKeyword */:
case 68 /* ConstKeyword */:
case 81 /* FunctionKeyword */:
return true;
case 102 /* LetKeyword */:
return isLetDeclaration();
case 67 /* ClassKeyword */:
case 101 /* InterfaceKeyword */:
case 75 /* EnumKeyword */:
case 83 /* ImportKeyword */:
case 119 /* TypeKeyword */:
return lookAhead(nextTokenIsIdentifierOrKeyword);
case 114 /* ModuleKeyword */:
return lookAhead(nextTokenIsIdentifierOrKeywordOrStringLiteral);
case 76 /* ExportKeyword */:
return lookAhead(nextTokenIsEqualsTokenOrDeclarationStart);
case 112 /* DeclareKeyword */:
case 106 /* PublicKeyword */:
case 104 /* PrivateKeyword */:
case 105 /* ProtectedKeyword */:
case 107 /* StaticKeyword */:
return lookAhead(nextTokenIsDeclarationStart);
}
}
function isIdentifierOrKeyword() {
return token >= 63 /* Identifier */;
}
function nextTokenIsIdentifierOrKeyword() {
nextToken();
return isIdentifierOrKeyword();
}
function nextTokenIsIdentifierOrKeywordOrStringLiteral() {
nextToken();
return isIdentifierOrKeyword() || token === 7 /* StringLiteral */;
}
function nextTokenIsEqualsTokenOrDeclarationStart() {
nextToken();
return token === 51 /* EqualsToken */ || isDeclarationStart();
}
function nextTokenIsDeclarationStart() {
nextToken();
return isDeclarationStart();
}
function parseDeclaration() {
var fullStart = getNodePos();
var modifiers = parseModifiers();
if (token === 76 /* ExportKeyword */) {
nextToken();
if (parseOptional(51 /* EqualsToken */)) {
return parseExportAssignmentTail(fullStart, modifiers);
}
}
switch (token) {
case 96 /* VarKeyword */:
case 102 /* LetKeyword */:
case 68 /* ConstKeyword */:
return parseVariableStatement(fullStart, modifiers);
case 81 /* FunctionKeyword */:
return parseFunctionDeclaration(fullStart, modifiers);
case 67 /* ClassKeyword */:
return parseClassDeclaration(fullStart, modifiers);
case 101 /* InterfaceKeyword */:
return parseInterfaceDeclaration(fullStart, modifiers);
case 119 /* TypeKeyword */:
return parseTypeAliasDeclaration(fullStart, modifiers);
case 75 /* EnumKeyword */:
return parseEnumDeclaration(fullStart, modifiers);
case 114 /* ModuleKeyword */:
return parseModuleDeclaration(fullStart, modifiers);
case 83 /* ImportKeyword */:
return parseImportDeclaration(fullStart, modifiers);
default:
ts.Debug.fail("Mismatch between isDeclarationStart and parseDeclaration");
}
}
function isSourceElement(inErrorRecovery) {
return isDeclarationStart() || isStatement(inErrorRecovery);
}
function parseSourceElement() {
return parseSourceElementOrModuleElement();
}
function parseModuleElement() {
return parseSourceElementOrModuleElement();
}
function parseSourceElementOrModuleElement() {
return isDeclarationStart() ? parseDeclaration() : parseStatement();
}
function processReferenceComments() {
var triviaScanner = ts.createScanner(languageVersion, false, sourceText);
var referencedFiles = [];
var amdDependencies = [];
var amdModuleName;
while (true) {
var kind = triviaScanner.scan();
if (kind === 5 /* WhitespaceTrivia */ || kind === 4 /* NewLineTrivia */ || kind === 3 /* MultiLineCommentTrivia */) {
continue;
}
if (kind !== 2 /* SingleLineCommentTrivia */) {
break;
}
var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos() };
var comment = sourceText.substring(range.pos, range.end);
var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range);
if (referencePathMatchResult) {
var fileReference = referencePathMatchResult.fileReference;
sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib;
var diagnosticMessage = referencePathMatchResult.diagnosticMessage;
if (fileReference) {
referencedFiles.push(fileReference);
}
if (diagnosticMessage) {
sourceFile.referenceDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage));
}
}
else {
var amdModuleNameRegEx = /^\/\/\/\s*<amd-module\s+name\s*=\s*('|")(.+?)\1/gim;
var amdModuleNameMatchResult = amdModuleNameRegEx.exec(comment);
if (amdModuleNameMatchResult) {
if (amdModuleName) {
sourceFile.referenceDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, ts.Diagnostics.An_AMD_module_cannot_have_multiple_name_assignments));
}
amdModuleName = amdModuleNameMatchResult[2];
}
var amdDependencyRegEx = /^\/\/\/\s*<amd-dependency\s+path\s*=\s*('|")(.+?)\1/gim;
var amdDependencyMatchResult = amdDependencyRegEx.exec(comment);
if (amdDependencyMatchResult) {
amdDependencies.push(amdDependencyMatchResult[2]);
}
}
}
return {
referencedFiles: referencedFiles,
amdDependencies: amdDependencies,
amdModuleName: amdModuleName
};
}
function getExternalModuleIndicator() {
return ts.forEach(sourceFile.statements, function (node) { return node.flags & 1 /* Export */ || node.kind === 191 /* ImportDeclaration */ && node.moduleReference.kind === 193 /* ExternalModuleReference */ || node.kind === 192 /* ExportAssignment */ ? node : undefined; });
}
var syntacticDiagnostics;
function getSyntacticDiagnostics() {
if (syntacticDiagnostics === undefined) {
if (sourceFile.parseDiagnostics.length > 0) {
syntacticDiagnostics = sourceFile.referenceDiagnostics.concat(sourceFile.parseDiagnostics);
}
else {
checkGrammar(sourceText, languageVersion, sourceFile);
syntacticDiagnostics = sourceFile.referenceDiagnostics.concat(sourceFile.grammarDiagnostics);
}
}
ts.Debug.assert(syntacticDiagnostics !== undefined);
return syntacticDiagnostics;
}
var rootNodeFlags = 0;
if (ts.fileExtensionIs(filename, ".d.ts")) {
rootNodeFlags = 1024 /* DeclarationFile */;
}
var sourceFile = createRootNode(201 /* SourceFile */, 0, sourceText.length, rootNodeFlags);
sourceFile.getLineAndCharacterFromPosition = getLineAndCharacterFromSourcePosition;
sourceFile.getPositionFromLineAndCharacter = getPositionFromSourceLineAndCharacter;
sourceFile.getLineStarts = getLineStarts;
sourceFile.getSyntacticDiagnostics = getSyntacticDiagnostics;
sourceFile.filename = ts.normalizePath(filename);
sourceFile.text = sourceText;
sourceFile.referenceDiagnostics = [];
sourceFile.parseDiagnostics = [];
sourceFile.grammarDiagnostics = [];
sourceFile.semanticDiagnostics = [];
var referenceComments = processReferenceComments();
sourceFile.referencedFiles = referenceComments.referencedFiles;
sourceFile.amdDependencies = referenceComments.amdDependencies;
sourceFile.amdModuleName = referenceComments.amdModuleName;
var scanner = ts.createScanner(languageVersion, true, sourceText, scanError);
nextToken();
sourceFile.statements = parseList(0 /* SourceElements */, true, parseSourceElement);
ts.Debug.assert(token === 1 /* EndOfFileToken */);
sourceFile.endOfFileToken = parseTokenNode();
sourceFile.externalModuleIndicator = getExternalModuleIndicator();
sourceFile.nodeCount = nodeCount;
sourceFile.identifierCount = identifierCount;
sourceFile.version = version;
sourceFile.isOpen = isOpen;
sourceFile.languageVersion = languageVersion;
sourceFile.identifiers = identifiers;
return sourceFile;
}
ts.createSourceFile = createSourceFile;
function isLeftHandSideExpression(expr) {
if (expr) {
switch (expr.kind) {
case 143 /* PropertyAccessExpression */:
case 144 /* ElementAccessExpression */:
case 146 /* NewExpression */:
case 145 /* CallExpression */:
case 147 /* TaggedTemplateExpression */:
case 141 /* ArrayLiteralExpression */:
case 149 /* ParenthesizedExpression */:
case 142 /* ObjectLiteralExpression */:
case 150 /* FunctionExpression */:
case 63 /* Identifier */:
case 8 /* RegularExpressionLiteral */:
case 6 /* NumericLiteral */:
case 7 /* StringLiteral */:
case 9 /* NoSubstitutionTemplateLiteral */:
case 159 /* TemplateExpression */:
case 78 /* FalseKeyword */:
case 87 /* NullKeyword */:
case 91 /* ThisKeyword */:
case 93 /* TrueKeyword */:
case 89 /* SuperKeyword */:
return true;
}
}
return false;
}
function isAssignmentOperator(token) {
return token >= 51 /* FirstAssignment */ && token <= 62 /* LastAssignment */;
}
function checkGrammar(sourceText, languageVersion, file) {
var grammarDiagnostics = file.grammarDiagnostics;
var scanner = ts.createScanner(languageVersion, true, sourceText);
var inAmbientContext = ts.fileExtensionIs(file.filename, ".d.ts");
var inFunctionBlock = false;
var parent;
visitNode(file);
function visitNode(node) {
var savedParent = parent;
node.parent = parent;
parent = node;
if (!checkModifiers(node)) {
var savedInFunctionBlock = inFunctionBlock;
if (ts.isFunctionBlock(node)) {
inFunctionBlock = true;
}
var savedInAmbientContext = inAmbientContext;
if (node.flags & 2 /* Ambient */) {
inAmbientContext = true;
}
checkNodeAndChildren(node);
inAmbientContext = savedInAmbientContext;
inFunctionBlock = savedInFunctionBlock;
}
parent = savedParent;
}
function checkNodeAndChildren(node) {
var nodeKind = node.kind;
if (inAmbientContext && checkForStatementInAmbientContext(node, nodeKind)) {
return;
}
if (checkNode(node, nodeKind)) {
return;
}
forEachChild(node, visitNode);
}
function checkNode(node, nodeKind) {
switch (nodeKind) {
case 151 /* ArrowFunction */:
case 129 /* CallSignature */:
case 134 /* ConstructorType */:
case 130 /* ConstructSignature */:
case 133 /* FunctionType */:
return checkAnySignatureDeclaration(node);
case 173 /* BreakStatement */:
case 172 /* ContinueStatement */:
return checkBreakOrContinueStatement(node);
case 145 /* CallExpression */:
case 146 /* NewExpression */:
return checkCallOrNewExpression(node);
case 188 /* EnumDeclaration */: return checkEnumDeclaration(node);
case 157 /* BinaryExpression */: return checkBinaryExpression(node);
case 197 /* CatchClause */: return checkCatchClause(node);
case 185 /* ClassDeclaration */: return checkClassDeclaration(node);
case 121 /* ComputedPropertyName */: return checkComputedPropertyName(node);
case 126 /* Constructor */: return checkConstructor(node);
case 152 /* DeleteExpression */: return checkDeleteExpression(node);
case 144 /* ElementAccessExpression */: return checkElementAccessExpression(node);
case 192 /* ExportAssignment */: return checkExportAssignment(node);
case 193 /* ExternalModuleReference */: return checkExternalModuleReference(node);
case 171 /* ForInStatement */: return checkForInStatement(node);
case 170 /* ForStatement */: return checkForStatement(node);
case 184 /* FunctionDeclaration */: return checkFunctionDeclaration(node);
case 150 /* FunctionExpression */: return checkFunctionExpression(node);
case 127 /* GetAccessor */: return checkGetAccessor(node);
case 196 /* HeritageClause */: return checkHeritageClause(node);
case 131 /* IndexSignature */: return checkIndexSignature(node);
case 186 /* InterfaceDeclaration */: return checkInterfaceDeclaration(node);
case 177 /* LabeledStatement */: return checkLabeledStatement(node);
case 198 /* PropertyAssignment */: return checkPropertyAssignment(node);
case 125 /* Method */: return checkMethod(node);
case 189 /* ModuleDeclaration */: return checkModuleDeclaration(node);
case 142 /* ObjectLiteralExpression */: return checkObjectLiteralExpression(node);
case 6 /* NumericLiteral */: return checkNumericLiteral(node);
case 123 /* Parameter */: return checkParameter(node);
case 156 /* PostfixUnaryExpression */: return checkPostfixUnaryExpression(node);
case 155 /* PrefixUnaryExpression */: return checkPrefixUnaryExpression(node);
case 124 /* Property */: return checkProperty(node);
case 174 /* ReturnStatement */: return checkReturnStatement(node);
case 128 /* SetAccessor */: return checkSetAccessor(node);
case 201 /* SourceFile */: return checkSourceFile(node);
case 199 /* ShorthandPropertyAssignment */: return checkShorthandPropertyAssignment(node);
case 176 /* SwitchStatement */: return checkSwitchStatement(node);
case 147 /* TaggedTemplateExpression */: return checkTaggedTemplateExpression(node);
case 178 /* ThrowStatement */: return checkThrowStatement(node);
case 138 /* TupleType */: return checkTupleType(node);
case 122 /* TypeParameter */: return checkTypeParameter(node);
case 132 /* TypeReference */: return checkTypeReference(node);
case 183 /* VariableDeclaration */: return checkVariableDeclaration(node);
case 164 /* VariableStatement */: return checkVariableStatement(node);
case 175 /* WithStatement */: return checkWithStatement(node);
case 160 /* YieldExpression */: return checkYieldExpression(node);
}
}
function scanToken(pos) {
var start = ts.skipTrivia(sourceText, pos);
scanner.setTextPos(start);
scanner.scan();
return start;
}
function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) {
var start = scanToken(node.pos);
grammarDiagnostics.push(ts.createFileDiagnostic(file, start, scanner.getTextPos() - start, message, arg0, arg1, arg2));
return true;
}
function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) {
scanToken(node.pos);
grammarDiagnostics.push(ts.createFileDiagnostic(file, scanner.getTextPos(), 0, message, arg0, arg1, arg2));
return true;
}
function grammarErrorOnNode(node, message, arg0, arg1, arg2) {
var span = ts.getErrorSpanForNode(node);
var start = span.end > span.pos ? ts.skipTrivia(file.text, span.pos) : span.pos;
var length = span.end - start;
grammarDiagnostics.push(ts.createFileDiagnostic(file, start, length, message, arg0, arg1, arg2));
return true;
}
function grammarErrorAtPos(start, length, message, arg0, arg1, arg2) {
grammarDiagnostics.push(ts.createFileDiagnostic(file, start, length, message, arg0, arg1, arg2));
return true;
}
function reportInvalidUseInStrictMode(node) {
var name = sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end);
return grammarErrorOnNode(node, ts.Diagnostics.Invalid_use_of_0_in_strict_mode, name);
}
function checkForStatementInAmbientContext(node, kind) {
switch (kind) {
case 163 /* Block */:
case 165 /* EmptyStatement */:
case 167 /* IfStatement */:
case 168 /* DoStatement */:
case 169 /* WhileStatement */:
case 170 /* ForStatement */:
case 171 /* ForInStatement */:
case 172 /* ContinueStatement */:
case 173 /* BreakStatement */:
case 174 /* ReturnStatement */:
case 175 /* WithStatement */:
case 176 /* SwitchStatement */:
case 178 /* ThrowStatement */:
case 179 /* TryStatement */:
case 182 /* DebuggerStatement */:
case 177 /* LabeledStatement */:
case 166 /* ExpressionStatement */:
return grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts);
}
}
function checkAnySignatureDeclaration(node) {
return checkTypeParameterList(node.typeParameters) || checkParameterList(node.parameters);
}
function checkBinaryExpression(node) {
if (node.parserContextFlags & 1 /* StrictMode */) {
if (isLeftHandSideExpression(node.left) && isAssignmentOperator(node.operator)) {
if (isEvalOrArgumentsIdentifier(node.left)) {
return reportInvalidUseInStrictMode(node.left);
}
}
}
}
function isIterationStatement(node, lookInLabeledStatements) {
switch (node.kind) {
case 170 /* ForStatement */:
case 171 /* ForInStatement */:
case 168 /* DoStatement */:
case 169 /* WhileStatement */:
return true;
case 177 /* LabeledStatement */:
return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements);
}
return false;
}
function checkLabeledStatement(node) {
var current = node.parent;
while (current) {
if (ts.isAnyFunction(current)) {
break;
}
if (current.kind === 177 /* LabeledStatement */ && current.label.text === node.label.text) {
return grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceText, node.label));
}
current = current.parent;
}
}
function checkBreakOrContinueStatement(node) {
var current = node;
while (current) {
if (ts.isAnyFunction(current)) {
return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary);
}
switch (current.kind) {
case 177 /* LabeledStatement */:
if (node.label && current.label.text === node.label.text) {
var isMisplacedContinueLabel = node.kind === 172 /* ContinueStatement */ && !isIterationStatement(current.statement, true);
if (isMisplacedContinueLabel) {
return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement);
}
return false;
}
break;
case 176 /* SwitchStatement */:
if (node.kind === 173 /* BreakStatement */ && !node.label) {
return false;
}
break;
default:
if (isIterationStatement(current, false) && !node.label) {
return false;
}
break;
}
current = current.parent;
}
if (node.label) {
var message = node.kind === 173 /* BreakStatement */ ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement;
return grammarErrorOnNode(node, message);
}
else {
var message = node.kind === 173 /* BreakStatement */ ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement;
return grammarErrorOnNode(node, message);
}
}
function checkCallOrNewExpression(node) {
return checkTypeArguments(node.typeArguments) || checkArguments(node.arguments);
}
function checkArguments(arguments) {
return checkForDisallowedTrailingComma(arguments) || checkForOmittedArgument(arguments);
}
function checkTypeArguments(typeArguments) {
return checkForDisallowedTrailingComma(typeArguments) || checkForAtLeastOneTypeArgument(typeArguments);
}
function checkForOmittedArgument(arguments) {
if (arguments) {
for (var i = 0, n = arguments.length; i < n; i++) {
var arg = arguments[i];
if (arg.kind === 161 /* OmittedExpression */) {
return grammarErrorAtPos(arg.pos, 0, ts.Diagnostics.Argument_expression_expected);
}
}
}
}
function checkForAtLeastOneTypeArgument(typeArguments) {
if (typeArguments && typeArguments.length === 0) {
var start = typeArguments.pos - "<".length;
var end = ts.skipTrivia(sourceText, typeArguments.end) + ">".length;
return grammarErrorAtPos(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty);
}
}
function checkForDisallowedTrailingComma(list) {
if (list && list.hasTrailingComma) {
var start = list.end - ",".length;
var end = list.end;
return grammarErrorAtPos(start, end - start, ts.Diagnostics.Trailing_comma_not_allowed);
}
}
function checkCatchClause(node) {
if (node.type) {
var colonStart = ts.skipTrivia(sourceText, node.name.end);
return grammarErrorAtPos(colonStart, ":".length, ts.Diagnostics.Catch_clause_parameter_cannot_have_a_type_annotation);
}
if (node.parserContextFlags & 1 /* StrictMode */ && isEvalOrArgumentsIdentifier(node.name)) {
return reportInvalidUseInStrictMode(node.name);
}
}
function checkClassDeclaration(node) {
return checkClassDeclarationHeritageClauses(node);
}
function checkClassDeclarationHeritageClauses(node) {
var seenExtendsClause = false;
var seenImplementsClause = false;
if (node.heritageClauses) {
for (var i = 0, n = node.heritageClauses.length; i < n; i++) {
ts.Debug.assert(i <= 2);
var heritageClause = node.heritageClauses[i];
if (heritageClause.token === 77 /* ExtendsKeyword */) {
if (seenExtendsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen);
}
if (seenImplementsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause);
}
if (heritageClause.types.length > 1) {
return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class);
}
seenExtendsClause = true;
}
else {
ts.Debug.assert(heritageClause.token === 100 /* ImplementsKeyword */);
if (seenImplementsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen);
}
seenImplementsClause = true;
}
}
}
return false;
}
function checkForAtLeastOneHeritageClause(types, listType) {
if (types && types.length === 0) {
return grammarErrorAtPos(types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType);
}
}
function checkConstructor(node) {
return checkAnySignatureDeclaration(node) || checkConstructorTypeParameters(node) || checkConstructorTypeAnnotation(node) || checkForBodyInAmbientContext(node.body, true);
}
function checkConstructorTypeParameters(node) {
if (node.typeParameters) {
return grammarErrorAtPos(node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration);
}
}
function checkConstructorTypeAnnotation(node) {
if (node.type) {
return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration);
}
}
function checkDeleteExpression(node) {
if (node.parserContextFlags & 1 /* StrictMode */ && node.expression.kind === 63 /* Identifier */) {
return grammarErrorOnNode(node.expression, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode);
}
}
function checkEnumDeclaration(enumDecl) {
var enumIsConst = (enumDecl.flags & 4096 /* Const */) !== 0;
var hasError = false;
if (!enumIsConst) {
var inConstantEnumMemberSection = true;
for (var i = 0, n = enumDecl.members.length; i < n; i++) {
var node = enumDecl.members[i];
if (node.name.kind === 121 /* ComputedPropertyName */) {
hasError = grammarErrorOnNode(node.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums);
}
else if (inAmbientContext) {
if (node.initializer && !isIntegerLiteral(node.initializer)) {
hasError = grammarErrorOnNode(node.name, ts.Diagnostics.Ambient_enum_elements_can_only_have_integer_literal_initializers) || hasError;
}
}
else if (node.initializer) {
inConstantEnumMemberSection = isIntegerLiteral(node.initializer);
}
else if (!inConstantEnumMemberSection) {
hasError = grammarErrorOnNode(node.name, ts.Diagnostics.Enum_member_must_have_initializer) || hasError;
}
}
}
return hasError;
}
function isIntegerLiteral(expression) {
function isInteger(literalExpression) {
return /^[0-9]+([eE]\+?[0-9]+)?$/.test(literalExpression.text);
}
if (expression.kind === 155 /* PrefixUnaryExpression */) {
var unaryExpression = expression;
if (unaryExpression.operator === 32 /* PlusToken */ || unaryExpression.operator === 33 /* MinusToken */) {
expression = unaryExpression.operand;
}
}
if (expression.kind === 6 /* NumericLiteral */) {
return isInteger(expression);
}
return false;
}
function checkExportAssignment(node) {
if (node.flags & 243 /* Modifier */) {
return grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers);
}
}
function checkExternalModuleReference(node) {
if (node.expression.kind !== 7 /* StringLiteral */) {
return grammarErrorOnNode(node.expression, ts.Diagnostics.String_literal_expected);
}
}
function checkForInStatement(node) {
return checkVariableDeclarations(node.declarations) || checkForMoreThanOneDeclaration(node.declarations);
}
function checkForStatement(node) {
return checkVariableDeclarations(node.declarations);
}
function checkForMoreThanOneDeclaration(declarations) {
if (declarations && declarations.length > 1) {
return grammarErrorOnFirstToken(declarations[1], ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement);
}
}
function checkFunctionDeclaration(node) {
return checkAnySignatureDeclaration(node) || checkFunctionName(node.name) || checkForBodyInAmbientContext(node.body, false) || checkForGenerator(node);
}
function checkForGenerator(node) {
if (node.asteriskToken) {
return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_currently_supported);
}
}
function checkFunctionExpression(node) {
return checkAnySignatureDeclaration(node) || checkFunctionName(node.name) || checkForGenerator(node);
}
function checkFunctionName(name) {
if (name && name.parserContextFlags & 1 /* StrictMode */ && isEvalOrArgumentsIdentifier(name)) {
return reportInvalidUseInStrictMode(name);
}
}
function checkGetAccessor(node) {
return checkAnySignatureDeclaration(node) || checkAccessor(node);
}
function checkElementAccessExpression(node) {
if (!node.argumentExpression) {
if (node.parent.kind === 146 /* NewExpression */ && node.parent.expression === node) {
var start = ts.skipTrivia(sourceText, node.expression.end);
var end = node.end;
return grammarErrorAtPos(start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead);
}
else {
var start = node.end - "]".length;
var end = node.end;
return grammarErrorAtPos(start, end - start, ts.Diagnostics.Expression_expected);
}
}
}
function checkHeritageClause(node) {
return checkForDisallowedTrailingComma(node.types) || checkForAtLeastOneHeritageClause(node.types, ts.tokenToString(node.token));
}
function checkIndexSignature(node) {
return checkIndexSignatureParameters(node) || checkForIndexSignatureModifiers(node);
}
function checkForIndexSignatureModifiers(node) {
if (node.flags & 243 /* Modifier */) {
return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members);
}
}
function checkIndexSignatureParameters(node) {
var parameter = node.parameters[0];
if (node.parameters.length !== 1) {
if (parameter) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter);
}
else {
return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter);
}
}
else if (parameter.dotDotDotToken) {
return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter);
}
else if (parameter.flags & 243 /* Modifier */) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier);
}
else if (parameter.questionToken) {
return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark);
}
else if (parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer);
}
else if (!parameter.type) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation);
}
else if (parameter.type.kind !== 118 /* StringKeyword */ && parameter.type.kind !== 116 /* NumberKeyword */) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number);
}
else if (!node.type) {
return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation);
}
}
function checkInterfaceDeclaration(node) {
return checkInterfaceDeclarationHeritageClauses(node);
}
function checkInterfaceDeclarationHeritageClauses(node) {
var seenExtendsClause = false;
if (node.heritageClauses) {
for (var i = 0, n = node.heritageClauses.length; i < n; i++) {
ts.Debug.assert(i <= 1);
var heritageClause = node.heritageClauses[i];
if (heritageClause.token === 77 /* ExtendsKeyword */) {
if (seenExtendsClause) {
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen);
}
seenExtendsClause = true;
}
else {
ts.Debug.assert(heritageClause.token === 100 /* ImplementsKeyword */);
return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause);
}
}
}
return false;
}
function checkMethod(node) {
if (checkAnySignatureDeclaration(node) || checkForBodyInAmbientContext(node.body, false) || checkForGenerator(node)) {
return true;
}
if (node.parent.kind === 185 /* ClassDeclaration */) {
if (checkForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) {
return true;
}
if (inAmbientContext) {
return checkForDisallowedComputedProperty(node.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_an_ambient_context);
}
else if (!node.body) {
return checkForDisallowedComputedProperty(node.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_method_overloads);
}
}
else if (node.parent.kind === 186 /* InterfaceDeclaration */) {
return checkForDisallowedComputedProperty(node.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_interfaces);
}
else if (node.parent.kind === 136 /* TypeLiteral */) {
return checkForDisallowedComputedProperty(node.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_type_literals);
}
}
function checkForBodyInAmbientContext(body, isConstructor) {
if (inAmbientContext && body && body.kind === 163 /* Block */) {
var diagnostic = isConstructor ? ts.Diagnostics.A_constructor_implementation_cannot_be_declared_in_an_ambient_context : ts.Diagnostics.A_function_implementation_cannot_be_declared_in_an_ambient_context;
return grammarErrorOnFirstToken(body, diagnostic);
}
}
function checkModuleDeclaration(node) {
return checkModuleDeclarationName(node) || checkModuleDeclarationStatements(node);
}
function checkModuleDeclarationName(node) {
if (!inAmbientContext && node.name.kind === 7 /* StringLiteral */) {
return grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names);
}
}
function checkModuleDeclarationStatements(node) {
if (node.name.kind === 63 /* Identifier */ && node.body.kind === 190 /* ModuleBlock */) {
var statements = node.body.statements;
for (var i = 0, n = statements.length; i < n; i++) {
var statement = statements[i];
if (statement.kind === 192 /* ExportAssignment */) {
return grammarErrorOnNode(statement, ts.Diagnostics.An_export_assignment_cannot_be_used_in_an_internal_module);
}
else if (ts.isExternalModuleImportDeclaration(statement)) {
return grammarErrorOnNode(ts.getExternalModuleImportDeclarationExpression(statement), ts.Diagnostics.Import_declarations_in_an_internal_module_cannot_reference_an_external_module);
}
}
}
}
function checkObjectLiteralExpression(node) {
var seen = {};
var Property = 1;
var GetAccessor = 2;
var SetAccesor = 4;
var GetOrSetAccessor = GetAccessor | SetAccesor;
var inStrictMode = (node.parserContextFlags & 1 /* StrictMode */) !== 0;
for (var i = 0, n = node.properties.length; i < n; i++) {
var prop = node.properties[i];
var name = prop.name;
if (prop.kind === 161 /* OmittedExpression */ || name.kind === 121 /* ComputedPropertyName */) {
continue;
}
var currentKind;
if (prop.kind === 198 /* PropertyAssignment */ || prop.kind === 199 /* ShorthandPropertyAssignment */ || prop.kind === 125 /* Method */) {
currentKind = Property;
}
else if (prop.kind === 127 /* GetAccessor */) {
currentKind = GetAccessor;
}
else if (prop.kind === 128 /* SetAccessor */) {
currentKind = SetAccesor;
}
else {
ts.Debug.fail("Unexpected syntax kind:" + prop.kind);
}
if (!ts.hasProperty(seen, name.text)) {
seen[name.text] = currentKind;
}
else {
var existingKind = seen[name.text];
if (currentKind === Property && existingKind === Property) {
if (inStrictMode) {
grammarErrorOnNode(name, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode);
}
}
else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) {
if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) {
seen[name.text] = currentKind | existingKind;
}
else {
return grammarErrorOnNode(name, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name);
}
}
else {
return grammarErrorOnNode(name, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name);
}
}
}
}
function checkNumericLiteral(node) {
if (node.flags & 8192 /* OctalLiteral */) {
if (node.parserContextFlags & 1 /* StrictMode */) {
return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode);
}
else if (languageVersion >= 1 /* ES5 */) {
return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher);
}
}
}
function checkModifiers(node) {
switch (node.kind) {
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 126 /* Constructor */:
case 124 /* Property */:
case 125 /* Method */:
case 131 /* IndexSignature */:
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
case 189 /* ModuleDeclaration */:
case 188 /* EnumDeclaration */:
case 192 /* ExportAssignment */:
case 164 /* VariableStatement */:
case 184 /* FunctionDeclaration */:
case 187 /* TypeAliasDeclaration */:
case 191 /* ImportDeclaration */:
case 123 /* Parameter */:
break;
default:
return false;
}
if (!node.modifiers) {
return;
}
var lastStatic, lastPrivate, lastProtected, lastDeclare;
var flags = 0;
for (var i = 0, n = node.modifiers.length; i < n; i++) {
var modifier = node.modifiers[i];
switch (modifier.kind) {
case 106 /* PublicKeyword */:
case 105 /* ProtectedKeyword */:
case 104 /* PrivateKeyword */:
var text;
if (modifier.kind === 106 /* PublicKeyword */) {
text = "public";
}
else if (modifier.kind === 105 /* ProtectedKeyword */) {
text = "protected";
lastProtected = modifier;
}
else {
text = "private";
lastPrivate = modifier;
}
if (flags & 112 /* AccessibilityModifier */) {
return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen);
}
else if (flags & 128 /* Static */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static");
}
else if (node.parent.kind === 190 /* ModuleBlock */ || node.parent.kind === 201 /* SourceFile */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text);
}
flags |= modifierToFlag(modifier.kind);
break;
case 107 /* StaticKeyword */:
if (flags & 128 /* Static */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static");
}
else if (node.parent.kind === 190 /* ModuleBlock */ || node.parent.kind === 201 /* SourceFile */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static");
}
else if (node.kind === 123 /* Parameter */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static");
}
flags |= 128 /* Static */;
lastStatic = modifier;
break;
case 76 /* ExportKeyword */:
if (flags & 1 /* Export */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export");
}
else if (flags & 2 /* Ambient */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare");
}
else if (node.parent.kind === 185 /* ClassDeclaration */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export");
}
else if (node.kind === 123 /* Parameter */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export");
}
flags |= 1 /* Export */;
break;
case 112 /* DeclareKeyword */:
if (flags & 2 /* Ambient */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare");
}
else if (node.parent.kind === 185 /* ClassDeclaration */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare");
}
else if (node.kind === 123 /* Parameter */) {
return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare");
}
else if (inAmbientContext && node.parent.kind === 190 /* ModuleBlock */) {
return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context);
}
flags |= 2 /* Ambient */;
lastDeclare = modifier;
break;
}
}
if (node.kind === 126 /* Constructor */) {
if (flags & 128 /* Static */) {
return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static");
}
else if (flags & 64 /* Protected */) {
return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected");
}
else if (flags & 32 /* Private */) {
return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private");
}
}
else if (node.kind === 191 /* ImportDeclaration */ && flags & 2 /* Ambient */) {
return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_declare_modifier_cannot_be_used_with_an_import_declaration, "declare");
}
else if (node.kind === 186 /* InterfaceDeclaration */ && flags & 2 /* Ambient */) {
return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_declare_modifier_cannot_be_used_with_an_interface_declaration, "declare");
}
}
function checkParameter(node) {
if (node.parserContextFlags & 1 /* StrictMode */ && isEvalOrArgumentsIdentifier(node.name)) {
return reportInvalidUseInStrictMode(node.name);
}
}
function checkTypeParameterList(typeParameters) {
if (checkForDisallowedTrailingComma(typeParameters)) {
return true;
}
if (typeParameters && typeParameters.length === 0) {
var start = typeParameters.pos - "<".length;
var end = ts.skipTrivia(sourceText, typeParameters.end) + ">".length;
return grammarErrorAtPos(start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty);
}
}
function checkParameterList(parameters) {
if (checkForDisallowedTrailingComma(parameters)) {
return true;
}
var seenOptionalParameter = false;
var parameterCount = parameters.length;
for (var i = 0; i < parameterCount; i++) {
var parameter = parameters[i];
if (parameter.dotDotDotToken) {
if (i !== (parameterCount - 1)) {
return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list);
}
if (parameter.questionToken) {
return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional);
}
if (parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer);
}
}
else if (parameter.questionToken || parameter.initializer) {
seenOptionalParameter = true;
if (parameter.questionToken && parameter.initializer) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer);
}
}
else {
if (seenOptionalParameter) {
return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter);
}
}
}
}
function checkPostfixUnaryExpression(node) {
if (node.parserContextFlags & 1 /* StrictMode */ && isEvalOrArgumentsIdentifier(node.operand)) {
return reportInvalidUseInStrictMode(node.operand);
}
}
function checkPrefixUnaryExpression(node) {
if (node.parserContextFlags & 1 /* StrictMode */) {
if ((node.operator === 37 /* PlusPlusToken */ || node.operator === 38 /* MinusMinusToken */) && isEvalOrArgumentsIdentifier(node.operand)) {
return reportInvalidUseInStrictMode(node.operand);
}
}
}
function checkProperty(node) {
if (node.parent.kind === 185 /* ClassDeclaration */) {
if (checkForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || checkForDisallowedComputedProperty(node.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_class_property_declarations)) {
return true;
}
}
else if (node.parent.kind === 186 /* InterfaceDeclaration */) {
if (checkForDisallowedComputedProperty(node.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_interfaces)) {
return true;
}
}
else if (node.parent.kind === 136 /* TypeLiteral */) {
if (checkForDisallowedComputedProperty(node.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_type_literals)) {
return true;
}
}
return checkForInitializerInAmbientContext(node);
}
function checkComputedPropertyName(node) {
return grammarErrorOnNode(node, ts.Diagnostics.Computed_property_names_are_not_currently_supported);
if (languageVersion < 2 /* ES6 */) {
return grammarErrorOnNode(node, ts.Diagnostics.Computed_property_names_are_only_available_when_targeting_ECMAScript_6_and_higher);
}
else if (node.expression.kind === 157 /* BinaryExpression */ && node.expression.operator === 22 /* CommaToken */) {
return grammarErrorOnNode(node.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name);
}
}
function checkForDisallowedComputedProperty(node, message) {
if (node.kind === 121 /* ComputedPropertyName */) {
return grammarErrorOnNode(node, message);
}
}
function checkForInitializerInAmbientContext(node) {
if (inAmbientContext && node.initializer) {
return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts);
}
}
function checkPropertyAssignment(node) {
return checkForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional);
}
function checkForInvalidQuestionMark(node, questionToken, message) {
if (questionToken) {
return grammarErrorOnNode(questionToken, message);
}
}
function checkReturnStatement(node) {
if (!inFunctionBlock) {
return grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body);
}
}
function checkSetAccessor(node) {
return checkAnySignatureDeclaration(node) || checkAccessor(node);
}
function checkAccessor(accessor) {
var kind = accessor.kind;
if (languageVersion < 1 /* ES5 */) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher);
}
else if (inAmbientContext) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context);
}
else if (accessor.body === undefined) {
return grammarErrorAtPos(accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{");
}
else if (accessor.typeParameters) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters);
}
else if (kind === 127 /* GetAccessor */ && accessor.parameters.length) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters);
}
else if (kind === 128 /* SetAccessor */) {
if (accessor.type) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation);
}
else if (accessor.parameters.length !== 1) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter);
}
else {
var parameter = accessor.parameters[0];
if (parameter.dotDotDotToken) {
return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter);
}
else if (parameter.flags & 243 /* Modifier */) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation);
}
else if (parameter.questionToken) {
return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter);
}
else if (parameter.initializer) {
return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer);
}
}
}
}
function checkSourceFile(node) {
return inAmbientContext && checkTopLevelElementsForRequiredDeclareModifier(file);
}
function checkTopLevelElementsForRequiredDeclareModifier(file) {
for (var i = 0, n = file.statements.length; i < n; i++) {
var decl = file.statements[i];
if (ts.isDeclaration(decl) || decl.kind === 164 /* VariableStatement */) {
if (checkTopLevelElementForRequiredDeclareModifier(decl)) {
return true;
}
}
}
}
function checkTopLevelElementForRequiredDeclareModifier(node) {
if (node.kind === 186 /* InterfaceDeclaration */ || node.kind === 191 /* ImportDeclaration */ || node.kind === 192 /* ExportAssignment */ || (node.flags & 2 /* Ambient */)) {
return false;
}
return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file);
}
function checkShorthandPropertyAssignment(node) {
return checkForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional);
}
function checkSwitchStatement(node) {
var firstDefaultClause;
for (var i = 0, n = node.clauses.length; i < n; i++) {
var clause = node.clauses[i];
if (clause.kind === 195 /* DefaultClause */) {
if (firstDefaultClause === undefined) {
firstDefaultClause = clause;
}
else {
var start = ts.skipTrivia(file.text, clause.pos);
var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end;
return grammarErrorAtPos(start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement);
}
}
}
}
function checkTaggedTemplateExpression(node) {
if (languageVersion < 2 /* ES6 */) {
return grammarErrorOnFirstToken(node.template, ts.Diagnostics.Tagged_templates_are_only_available_when_targeting_ECMAScript_6_and_higher);
}
}
function checkThrowStatement(node) {
if (node.expression === undefined) {
return grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here);
}
}
function checkTupleType(node) {
return checkForDisallowedTrailingComma(node.elementTypes) || checkForAtLeastOneType(node);
}
function checkForAtLeastOneType(node) {
if (node.elementTypes.length === 0) {
return grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty);
}
}
function checkTypeParameter(node) {
if (node.expression) {
return grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected);
}
}
function checkTypeReference(node) {
return checkTypeArguments(node.typeArguments);
}
function checkVariableDeclaration(node) {
if (inAmbientContext && node.initializer) {
var equalsPos = node.type ? ts.skipTrivia(sourceText, node.type.end) : ts.skipTrivia(sourceText, node.name.end);
return grammarErrorAtPos(equalsPos, "=".length, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts);
}
if (!inAmbientContext && !node.initializer && ts.isConst(node)) {
return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized);
}
if (node.parserContextFlags & 1 /* StrictMode */ && isEvalOrArgumentsIdentifier(node.name)) {
return reportInvalidUseInStrictMode(node.name);
}
}
function checkVariableDeclarations(declarations) {
if (declarations) {
if (checkForDisallowedTrailingComma(declarations)) {
return true;
}
if (!declarations.length) {
return grammarErrorAtPos(declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty);
}
var decl = declarations[0];
if (languageVersion < 2 /* ES6 */) {
if (ts.isLet(decl)) {
return grammarErrorOnFirstToken(decl, ts.Diagnostics.let_declarations_are_only_available_when_targeting_ECMAScript_6_and_higher);
}
else if (ts.isConst(decl)) {
return grammarErrorOnFirstToken(decl, ts.Diagnostics.const_declarations_are_only_available_when_targeting_ECMAScript_6_and_higher);
}
}
}
}
function checkVariableStatement(node) {
return checkVariableDeclarations(node.declarations) || checkForDisallowedLetOrConstStatement(node);
}
function checkForDisallowedLetOrConstStatement(node) {
if (!allowLetAndConstDeclarations(node.parent)) {
if (ts.isLet(node)) {
return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block);
}
else if (ts.isConst(node)) {
return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block);
}
}
}
function allowLetAndConstDeclarations(parent) {
switch (parent.kind) {
case 167 /* IfStatement */:
case 168 /* DoStatement */:
case 169 /* WhileStatement */:
case 175 /* WithStatement */:
case 170 /* ForStatement */:
case 171 /* ForInStatement */:
return false;
case 177 /* LabeledStatement */:
return allowLetAndConstDeclarations(parent.parent);
}
return true;
}
function checkWithStatement(node) {
if (node.parserContextFlags & 1 /* StrictMode */) {
return grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode);
}
}
function checkYieldExpression(node) {
if (!(node.parserContextFlags & 4 /* Yield */)) {
return grammarErrorOnFirstToken(node, ts.Diagnostics.yield_expression_must_be_contained_within_a_generator_declaration);
}
return grammarErrorOnFirstToken(node, ts.Diagnostics.yield_expressions_are_not_currently_supported);
}
}
function createProgram(rootNames, options, host) {
var program;
var files = [];
var filesByName = {};
var errors = [];
var seenNoDefaultLib = options.noLib;
var commonSourceDirectory;
ts.forEach(rootNames, function (name) { return processRootFile(name, false); });
if (!seenNoDefaultLib) {
processRootFile(host.getDefaultLibFilename(options), true);
}
verifyCompilerOptions();
errors.sort(ts.compareDiagnostics);
program = {
getSourceFile: getSourceFile,
getSourceFiles: function () { return files; },
getCompilerOptions: function () { return options; },
getCompilerHost: function () { return host; },
getDiagnostics: getDiagnostics,
getGlobalDiagnostics: getGlobalDiagnostics,
getTypeChecker: function (fullTypeCheckMode) { return ts.createTypeChecker(program, fullTypeCheckMode); },
getCommonSourceDirectory: function () { return commonSourceDirectory; }
};
return program;
function getSourceFile(filename) {
filename = host.getCanonicalFileName(filename);
return ts.hasProperty(filesByName, filename) ? filesByName[filename] : undefined;
}
function getDiagnostics(sourceFile) {
return sourceFile ? ts.filter(errors, function (e) { return e.file === sourceFile; }) : errors;
}
function getGlobalDiagnostics() {
return ts.filter(errors, function (e) { return !e.file; });
}
function hasExtension(filename) {
return ts.getBaseFilename(filename).indexOf(".") >= 0;
}
function processRootFile(filename, isDefaultLib) {
processSourceFile(ts.normalizePath(filename), isDefaultLib);
}
function processSourceFile(filename, isDefaultLib, refFile, refPos, refEnd) {
if (refEnd !== undefined && refPos !== undefined) {
var start = refPos;
var length = refEnd - refPos;
}
var diagnostic;
if (hasExtension(filename)) {
if (!options.allowNonTsExtensions && !ts.fileExtensionIs(filename, ".ts")) {
diagnostic = ts.Diagnostics.File_0_must_have_extension_ts_or_d_ts;
}
else if (!findSourceFile(filename, isDefaultLib, refFile, refPos, refEnd)) {
diagnostic = ts.Diagnostics.File_0_not_found;
}
else if (refFile && host.getCanonicalFileName(filename) === host.getCanonicalFileName(refFile.filename)) {
diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself;
}
}
else {
if (options.allowNonTsExtensions && !findSourceFile(filename, isDefaultLib, refFile, refPos, refEnd)) {
diagnostic = ts.Diagnostics.File_0_not_found;
}
else if (!findSourceFile(filename + ".ts", isDefaultLib, refFile, refPos, refEnd) && !findSourceFile(filename + ".d.ts", isDefaultLib, refFile, refPos, refEnd)) {
diagnostic = ts.Diagnostics.File_0_not_found;
filename += ".ts";
}
}
if (diagnostic) {
if (refFile) {
errors.push(ts.createFileDiagnostic(refFile, start, length, diagnostic, filename));
}
else {
errors.push(ts.createCompilerDiagnostic(diagnostic, filename));
}
}
}
function findSourceFile(filename, isDefaultLib, refFile, refStart, refLength) {
var canonicalName = host.getCanonicalFileName(filename);
if (ts.hasProperty(filesByName, canonicalName)) {
return getSourceFileFromCache(filename, canonicalName, false);
}
else {
var normalizedAbsolutePath = ts.getNormalizedAbsolutePath(filename, host.getCurrentDirectory());
var canonicalAbsolutePath = host.getCanonicalFileName(normalizedAbsolutePath);
if (ts.hasProperty(filesByName, canonicalAbsolutePath)) {
return getSourceFileFromCache(normalizedAbsolutePath, canonicalAbsolutePath, true);
}
var file = filesByName[canonicalName] = host.getSourceFile(filename, options.target, function (hostErrorMessage) {
errors.push(ts.createFileDiagnostic(refFile, refStart, refLength, ts.Diagnostics.Cannot_read_file_0_Colon_1, filename, hostErrorMessage));
});
if (file) {
seenNoDefaultLib = seenNoDefaultLib || file.hasNoDefaultLib;
filesByName[canonicalAbsolutePath] = file;
if (!options.noResolve) {
var basePath = ts.getDirectoryPath(filename);
processReferencedFiles(file, basePath);
processImportedModules(file, basePath);
}
if (isDefaultLib) {
files.unshift(file);
}
else {
files.push(file);
}
ts.forEach(file.getSyntacticDiagnostics(), function (e) {
errors.push(e);
});
}
}
return file;
function getSourceFileFromCache(filename, canonicalName, useAbsolutePath) {
var file = filesByName[canonicalName];
if (file && host.useCaseSensitiveFileNames()) {
var sourceFileName = useAbsolutePath ? ts.getNormalizedAbsolutePath(file.filename, host.getCurrentDirectory()) : file.filename;
if (canonicalName !== sourceFileName) {
errors.push(ts.createFileDiagnostic(refFile, refStart, refLength, ts.Diagnostics.Filename_0_differs_from_already_included_filename_1_only_in_casing, filename, sourceFileName));
}
}
return file;
}
}
function processReferencedFiles(file, basePath) {
ts.forEach(file.referencedFiles, function (ref) {
var referencedFilename = ts.isRootedDiskPath(ref.filename) ? ref.filename : ts.combinePaths(basePath, ref.filename);
processSourceFile(ts.normalizePath(referencedFilename), false, file, ref.pos, ref.end);
});
}
function processImportedModules(file, basePath) {
ts.forEach(file.statements, function (node) {
if (ts.isExternalModuleImportDeclaration(node) && ts.getExternalModuleImportDeclarationExpression(node).kind === 7 /* StringLiteral */) {
var nameLiteral = ts.getExternalModuleImportDeclarationExpression(node);
var moduleName = nameLiteral.text;
if (moduleName) {
var searchPath = basePath;
while (true) {
var searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleName));
if (findModuleSourceFile(searchName + ".ts", nameLiteral) || findModuleSourceFile(searchName + ".d.ts", nameLiteral)) {
break;
}
var parentPath = ts.getDirectoryPath(searchPath);
if (parentPath === searchPath) {
break;
}
searchPath = parentPath;
}
}
}
else if (node.kind === 189 /* ModuleDeclaration */ && node.name.kind === 7 /* StringLiteral */ && (node.flags & 2 /* Ambient */ || ts.isDeclarationFile(file))) {
forEachChild(node.body, function (node) {
if (ts.isExternalModuleImportDeclaration(node) && ts.getExternalModuleImportDeclarationExpression(node).kind === 7 /* StringLiteral */) {
var nameLiteral = ts.getExternalModuleImportDeclarationExpression(node);
var moduleName = nameLiteral.text;
if (moduleName) {
var searchName = ts.normalizePath(ts.combinePaths(basePath, moduleName));
var tsFile = findModuleSourceFile(searchName + ".ts", nameLiteral);
if (!tsFile) {
findModuleSourceFile(searchName + ".d.ts", nameLiteral);
}
}
}
});
}
});
function findModuleSourceFile(filename, nameLiteral) {
return findSourceFile(filename, false, file, nameLiteral.pos, nameLiteral.end - nameLiteral.pos);
}
}
function verifyCompilerOptions() {
if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) {
if (options.mapRoot) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_mapRoot_cannot_be_specified_without_specifying_sourcemap_option));
}
if (options.sourceRoot) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Option_sourceRoot_cannot_be_specified_without_specifying_sourcemap_option));
}
return;
}
var firstExternalModule = ts.forEach(files, function (f) { return ts.isExternalModule(f) ? f : undefined; });
if (firstExternalModule && options.module === 0 /* None */) {
var externalModuleErrorSpan = ts.getErrorSpanForNode(firstExternalModule.externalModuleIndicator);
var errorStart = ts.skipTrivia(firstExternalModule.text, externalModuleErrorSpan.pos);
var errorLength = externalModuleErrorSpan.end - errorStart;
errors.push(ts.createFileDiagnostic(firstExternalModule, errorStart, errorLength, ts.Diagnostics.Cannot_compile_external_modules_unless_the_module_flag_is_provided));
}
if (options.outDir || options.sourceRoot || (options.mapRoot && (!options.out || firstExternalModule !== undefined))) {
var commonPathComponents;
ts.forEach(files, function (sourceFile) {
if (!(sourceFile.flags & 1024 /* DeclarationFile */) && !ts.fileExtensionIs(sourceFile.filename, ".js")) {
var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.filename, host.getCurrentDirectory());
sourcePathComponents.pop();
if (commonPathComponents) {
for (var i = 0; i < Math.min(commonPathComponents.length, sourcePathComponents.length); i++) {
if (commonPathComponents[i] !== sourcePathComponents[i]) {
if (i === 0) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files));
return;
}
commonPathComponents.length = i;
break;
}
}
if (sourcePathComponents.length < commonPathComponents.length) {
commonPathComponents.length = sourcePathComponents.length;
}
}
else {
commonPathComponents = sourcePathComponents;
}
}
});
commonSourceDirectory = ts.getNormalizedPathFromPathComponents(commonPathComponents);
if (commonSourceDirectory) {
commonSourceDirectory += ts.directorySeparator;
}
}
}
}
ts.createProgram = createProgram;
})(ts || (ts = {}));
var ts;
(function (ts) {
function getModuleInstanceState(node) {
if (node.kind === 186 /* InterfaceDeclaration */) {
return 0 /* NonInstantiated */;
}
else if (ts.isConstEnumDeclaration(node)) {
return 2 /* ConstEnumOnly */;
}
else if (node.kind === 191 /* ImportDeclaration */ && !(node.flags & 1 /* Export */)) {
return 0 /* NonInstantiated */;
}
else if (node.kind === 190 /* ModuleBlock */) {
var state = 0 /* NonInstantiated */;
ts.forEachChild(node, function (n) {
switch (getModuleInstanceState(n)) {
case 0 /* NonInstantiated */:
return false;
case 2 /* ConstEnumOnly */:
state = 2 /* ConstEnumOnly */;
return false;
case 1 /* Instantiated */:
state = 1 /* Instantiated */;
return true;
}
});
return state;
}
else if (node.kind === 189 /* ModuleDeclaration */) {
return getModuleInstanceState(node.body);
}
else {
return 1 /* Instantiated */;
}
}
ts.getModuleInstanceState = getModuleInstanceState;
function hasComputedNameButNotSymbol(declaration) {
return declaration.name && declaration.name.kind === 121 /* ComputedPropertyName */;
}
ts.hasComputedNameButNotSymbol = hasComputedNameButNotSymbol;
function bindSourceFile(file) {
var parent;
var container;
var blockScopeContainer;
var lastContainer;
var symbolCount = 0;
var Symbol = ts.objectAllocator.getSymbolConstructor();
if (!file.locals) {
file.locals = {};
container = blockScopeContainer = file;
bind(file);
file.symbolCount = symbolCount;
}
function createSymbol(flags, name) {
symbolCount++;
return new Symbol(flags, name);
}
function addDeclarationToSymbol(symbol, node, symbolKind) {
symbol.flags |= symbolKind;
if (!symbol.declarations)
symbol.declarations = [];
symbol.declarations.push(node);
if (symbolKind & 1952 /* HasExports */ && !symbol.exports)
symbol.exports = {};
if (symbolKind & 6240 /* HasMembers */ && !symbol.members)
symbol.members = {};
node.symbol = symbol;
if (symbolKind & 107455 /* Value */ && !symbol.valueDeclaration)
symbol.valueDeclaration = node;
}
function getDeclarationName(node) {
if (node.name) {
if (node.kind === 189 /* ModuleDeclaration */ && node.name.kind === 7 /* StringLiteral */) {
return '"' + node.name.text + '"';
}
ts.Debug.assert(!hasComputedNameButNotSymbol(node));
return node.name.text;
}
switch (node.kind) {
case 134 /* ConstructorType */:
case 126 /* Constructor */:
return "__constructor";
case 133 /* FunctionType */:
case 129 /* CallSignature */:
return "__call";
case 130 /* ConstructSignature */:
return "__new";
case 131 /* IndexSignature */:
return "__index";
}
}
function getDisplayName(node) {
return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node);
}
function declareSymbol(symbols, parent, node, includes, excludes) {
if (hasComputedNameButNotSymbol(node)) {
return undefined;
}
var name = getDeclarationName(node);
if (name !== undefined) {
var symbol = ts.hasProperty(symbols, name) ? symbols[name] : (symbols[name] = createSymbol(0, name));
if (symbol.flags & excludes) {
if (node.name) {
node.name.parent = node;
}
var message = symbol.flags & 2 /* BlockScopedVariable */ ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0;
ts.forEach(symbol.declarations, function (declaration) {
file.semanticDiagnostics.push(ts.createDiagnosticForNode(declaration.name, message, getDisplayName(declaration)));
});
file.semanticDiagnostics.push(ts.createDiagnosticForNode(node.name, message, getDisplayName(node)));
symbol = createSymbol(0, name);
}
}
else {
symbol = createSymbol(0, "__missing");
}
addDeclarationToSymbol(symbol, node, includes);
symbol.parent = parent;
if (node.kind === 185 /* ClassDeclaration */ && symbol.exports) {
var prototypeSymbol = createSymbol(4 /* Property */ | 536870912 /* Prototype */, "prototype");
if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) {
if (node.name) {
node.name.parent = node;
}
file.semanticDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name));
}
symbol.exports[prototypeSymbol.name] = prototypeSymbol;
prototypeSymbol.parent = symbol;
}
return symbol;
}
function isAmbientContext(node) {
while (node) {
if (node.flags & 2 /* Ambient */)
return true;
node = node.parent;
}
return false;
}
function declareModuleMember(node, symbolKind, symbolExcludes) {
var exportKind = 0;
if (symbolKind & 107455 /* Value */) {
exportKind |= 4194304 /* ExportValue */;
}
if (symbolKind & 3152352 /* Type */) {
exportKind |= 8388608 /* ExportType */;
}
if (symbolKind & 1536 /* Namespace */) {
exportKind |= 16777216 /* ExportNamespace */;
}
if (node.flags & 1 /* Export */ || (node.kind !== 191 /* ImportDeclaration */ && isAmbientContext(container))) {
if (exportKind) {
var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes);
local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolKind, symbolExcludes);
node.localSymbol = local;
}
else {
declareSymbol(container.symbol.exports, container.symbol, node, symbolKind, symbolExcludes);
}
}
else {
declareSymbol(container.locals, undefined, node, symbolKind, symbolExcludes);
}
}
function bindChildren(node, symbolKind, isBlockScopeContainer) {
if (symbolKind & 1041936 /* HasLocals */) {
node.locals = {};
}
var saveParent = parent;
var saveContainer = container;
var savedBlockScopeContainer = blockScopeContainer;
parent = node;
if (symbolKind & 1048560 /* IsContainer */) {
container = node;
if (lastContainer !== container && !container.nextContainer) {
if (lastContainer) {
lastContainer.nextContainer = container;
}
lastContainer = container;
}
}
if (isBlockScopeContainer) {
blockScopeContainer = node;
}
ts.forEachChild(node, bind);
container = saveContainer;
parent = saveParent;
blockScopeContainer = savedBlockScopeContainer;
}
function bindDeclaration(node, symbolKind, symbolExcludes, isBlockScopeContainer) {
switch (container.kind) {
case 189 /* ModuleDeclaration */:
declareModuleMember(node, symbolKind, symbolExcludes);
break;
case 201 /* SourceFile */:
if (ts.isExternalModule(container)) {
declareModuleMember(node, symbolKind, symbolExcludes);
break;
}
case 133 /* FunctionType */:
case 134 /* ConstructorType */:
case 129 /* CallSignature */:
case 130 /* ConstructSignature */:
case 131 /* IndexSignature */:
case 125 /* Method */:
case 126 /* Constructor */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 184 /* FunctionDeclaration */:
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
declareSymbol(container.locals, undefined, node, symbolKind, symbolExcludes);
break;
case 185 /* ClassDeclaration */:
if (node.flags & 128 /* Static */) {
declareSymbol(container.symbol.exports, container.symbol, node, symbolKind, symbolExcludes);
break;
}
case 136 /* TypeLiteral */:
case 142 /* ObjectLiteralExpression */:
case 186 /* InterfaceDeclaration */:
declareSymbol(container.symbol.members, container.symbol, node, symbolKind, symbolExcludes);
break;
case 188 /* EnumDeclaration */:
declareSymbol(container.symbol.exports, container.symbol, node, symbolKind, symbolExcludes);
break;
}
bindChildren(node, symbolKind, isBlockScopeContainer);
}
function bindConstructorDeclaration(node) {
bindDeclaration(node, 16384 /* Constructor */, 0, true);
ts.forEach(node.parameters, function (p) {
if (p.flags & (16 /* Public */ | 32 /* Private */ | 64 /* Protected */)) {
bindDeclaration(p, 4 /* Property */, 107455 /* PropertyExcludes */, false);
}
});
}
function bindModuleDeclaration(node) {
if (node.name.kind === 7 /* StringLiteral */) {
bindDeclaration(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */, true);
}
else {
var state = getModuleInstanceState(node);
if (state === 0 /* NonInstantiated */) {
bindDeclaration(node, 1024 /* NamespaceModule */, 0 /* NamespaceModuleExcludes */, true);
}
else {
bindDeclaration(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */, true);
if (state === 2 /* ConstEnumOnly */) {
node.symbol.constEnumOnlyModule = true;
}
else if (node.symbol.constEnumOnlyModule) {
node.symbol.constEnumOnlyModule = false;
}
}
}
}
function bindFunctionOrConstructorType(node) {
var symbolKind = node.kind === 133 /* FunctionType */ ? 131072 /* CallSignature */ : 262144 /* ConstructSignature */;
var symbol = createSymbol(symbolKind, getDeclarationName(node));
addDeclarationToSymbol(symbol, node, symbolKind);
bindChildren(node, symbolKind, false);
var typeLiteralSymbol = createSymbol(2048 /* TypeLiteral */, "__type");
addDeclarationToSymbol(typeLiteralSymbol, node, 2048 /* TypeLiteral */);
typeLiteralSymbol.members = {};
typeLiteralSymbol.members[node.kind === 133 /* FunctionType */ ? "__call" : "__new"] = symbol;
}
function bindAnonymousDeclaration(node, symbolKind, name, isBlockScopeContainer) {
var symbol = createSymbol(symbolKind, name);
addDeclarationToSymbol(symbol, node, symbolKind);
bindChildren(node, symbolKind, isBlockScopeContainer);
}
function bindCatchVariableDeclaration(node) {
var symbol = createSymbol(1 /* FunctionScopedVariable */, node.name.text || "__missing");
addDeclarationToSymbol(symbol, node, 1 /* FunctionScopedVariable */);
var saveParent = parent;
var savedBlockScopeContainer = blockScopeContainer;
parent = blockScopeContainer = node;
ts.forEachChild(node, bind);
parent = saveParent;
blockScopeContainer = savedBlockScopeContainer;
}
function bindBlockScopedVariableDeclaration(node) {
switch (blockScopeContainer.kind) {
case 189 /* ModuleDeclaration */:
declareModuleMember(node, 2 /* BlockScopedVariable */, 107455 /* BlockScopedVariableExcludes */);
break;
case 201 /* SourceFile */:
if (ts.isExternalModule(container)) {
declareModuleMember(node, 2 /* BlockScopedVariable */, 107455 /* BlockScopedVariableExcludes */);
break;
}
default:
if (!blockScopeContainer.locals) {
blockScopeContainer.locals = {};
}
declareSymbol(blockScopeContainer.locals, undefined, node, 2 /* BlockScopedVariable */, 107455 /* BlockScopedVariableExcludes */);
}
bindChildren(node, 2 /* BlockScopedVariable */, false);
}
function bind(node) {
node.parent = parent;
switch (node.kind) {
case 122 /* TypeParameter */:
bindDeclaration(node, 1048576 /* TypeParameter */, 2103776 /* TypeParameterExcludes */, false);
break;
case 123 /* Parameter */:
bindDeclaration(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */, false);
break;
case 183 /* VariableDeclaration */:
if (node.flags & 6144 /* BlockScoped */) {
bindBlockScopedVariableDeclaration(node);
}
else {
bindDeclaration(node, 1 /* FunctionScopedVariable */, 107454 /* FunctionScopedVariableExcludes */, false);
}
break;
case 124 /* Property */:
case 198 /* PropertyAssignment */:
case 199 /* ShorthandPropertyAssignment */:
bindDeclaration(node, 4 /* Property */, 107455 /* PropertyExcludes */, false);
break;
case 200 /* EnumMember */:
bindDeclaration(node, 8 /* EnumMember */, 107455 /* EnumMemberExcludes */, false);
break;
case 129 /* CallSignature */:
bindDeclaration(node, 131072 /* CallSignature */, 0, false);
break;
case 130 /* ConstructSignature */:
bindDeclaration(node, 262144 /* ConstructSignature */, 0, true);
break;
case 125 /* Method */:
bindDeclaration(node, 8192 /* Method */, ts.isObjectLiteralMethod(node) ? 107455 /* PropertyExcludes */ : 99263 /* MethodExcludes */, true);
break;
case 131 /* IndexSignature */:
bindDeclaration(node, 524288 /* IndexSignature */, 0, false);
break;
case 184 /* FunctionDeclaration */:
bindDeclaration(node, 16 /* Function */, 106927 /* FunctionExcludes */, true);
break;
case 126 /* Constructor */:
bindConstructorDeclaration(node);
break;
case 127 /* GetAccessor */:
bindDeclaration(node, 32768 /* GetAccessor */, 41919 /* GetAccessorExcludes */, true);
break;
case 128 /* SetAccessor */:
bindDeclaration(node, 65536 /* SetAccessor */, 74687 /* SetAccessorExcludes */, true);
break;
case 133 /* FunctionType */:
case 134 /* ConstructorType */:
bindFunctionOrConstructorType(node);
break;
case 136 /* TypeLiteral */:
bindAnonymousDeclaration(node, 2048 /* TypeLiteral */, "__type", false);
break;
case 142 /* ObjectLiteralExpression */:
bindAnonymousDeclaration(node, 4096 /* ObjectLiteral */, "__object", false);
break;
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
bindAnonymousDeclaration(node, 16 /* Function */, "__function", true);
break;
case 197 /* CatchClause */:
bindCatchVariableDeclaration(node);
break;
case 185 /* ClassDeclaration */:
bindDeclaration(node, 32 /* Class */, 3258879 /* ClassExcludes */, false);
break;
case 186 /* InterfaceDeclaration */:
bindDeclaration(node, 64 /* Interface */, 3152288 /* InterfaceExcludes */, false);
break;
case 187 /* TypeAliasDeclaration */:
bindDeclaration(node, 2097152 /* TypeAlias */, 3152352 /* TypeAliasExcludes */, false);
break;
case 188 /* EnumDeclaration */:
if (ts.isConst(node)) {
bindDeclaration(node, 128 /* ConstEnum */, 3259263 /* ConstEnumExcludes */, false);
}
else {
bindDeclaration(node, 256 /* RegularEnum */, 3258623 /* RegularEnumExcludes */, false);
}
break;
case 189 /* ModuleDeclaration */:
bindModuleDeclaration(node);
break;
case 191 /* ImportDeclaration */:
bindDeclaration(node, 33554432 /* Import */, 33554432 /* ImportExcludes */, false);
break;
case 201 /* SourceFile */:
if (ts.isExternalModule(node)) {
bindAnonymousDeclaration(node, 512 /* ValueModule */, '"' + ts.removeFileExtension(node.filename) + '"', true);
break;
}
case 163 /* Block */:
case 180 /* TryBlock */:
case 197 /* CatchClause */:
case 181 /* FinallyBlock */:
case 170 /* ForStatement */:
case 171 /* ForInStatement */:
case 176 /* SwitchStatement */:
bindChildren(node, 0, true);
break;
default:
var saveParent = parent;
parent = node;
ts.forEachChild(node, bind);
parent = saveParent;
}
}
}
ts.bindSourceFile = bindSourceFile;
})(ts || (ts = {}));
var ts;
(function (ts) {
var indentStrings = ["", " "];
function getIndentString(level) {
if (indentStrings[level] === undefined) {
indentStrings[level] = getIndentString(level - 1) + indentStrings[1];
}
return indentStrings[level];
}
ts.getIndentString = getIndentString;
function getIndentSize() {
return indentStrings[1].length;
}
function shouldEmitToOwnFile(sourceFile, compilerOptions) {
if (!ts.isDeclarationFile(sourceFile)) {
if ((ts.isExternalModule(sourceFile) || !compilerOptions.out) && !ts.fileExtensionIs(sourceFile.filename, ".js")) {
return true;
}
return false;
}
return false;
}
ts.shouldEmitToOwnFile = shouldEmitToOwnFile;
function isExternalModuleOrDeclarationFile(sourceFile) {
return ts.isExternalModule(sourceFile) || ts.isDeclarationFile(sourceFile);
}
ts.isExternalModuleOrDeclarationFile = isExternalModuleOrDeclarationFile;
function createTextWriter(newLine) {
var output = "";
var indent = 0;
var lineStart = true;
var lineCount = 0;
var linePos = 0;
function write(s) {
if (s && s.length) {
if (lineStart) {
output += getIndentString(indent);
lineStart = false;
}
output += s;
}
}
function rawWrite(s) {
if (s !== undefined) {
if (lineStart) {
lineStart = false;
}
output += s;
}
}
function writeLiteral(s) {
if (s && s.length) {
write(s);
var lineStartsOfS = ts.computeLineStarts(s);
if (lineStartsOfS.length > 1) {
lineCount = lineCount + lineStartsOfS.length - 1;
linePos = output.length - s.length + lineStartsOfS[lineStartsOfS.length - 1];
}
}
}
function writeLine() {
if (!lineStart) {
output += newLine;
lineCount++;
linePos = output.length;
lineStart = true;
}
}
function writeTextOfNode(sourceFile, node) {
write(ts.getSourceTextOfNodeFromSourceFile(sourceFile, node));
}
return {
write: write,
rawWrite: rawWrite,
writeTextOfNode: writeTextOfNode,
writeLiteral: writeLiteral,
writeLine: writeLine,
increaseIndent: function () { return indent++; },
decreaseIndent: function () { return indent--; },
getIndent: function () { return indent; },
getTextPos: function () { return output.length; },
getLine: function () { return lineCount + 1; },
getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; },
getText: function () { return output; }
};
}
function getLineOfLocalPosition(currentSourceFile, pos) {
return currentSourceFile.getLineAndCharacterFromPosition(pos).line;
}
function emitNewLineBeforeLeadingComments(currentSourceFile, writer, node, leadingComments) {
if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && getLineOfLocalPosition(currentSourceFile, node.pos) !== getLineOfLocalPosition(currentSourceFile, leadingComments[0].pos)) {
writer.writeLine();
}
}
function emitComments(currentSourceFile, writer, comments, trailingSeparator, newLine, writeComment) {
var emitLeadingSpace = !trailingSeparator;
ts.forEach(comments, function (comment) {
if (emitLeadingSpace) {
writer.write(" ");
emitLeadingSpace = false;
}
writeComment(currentSourceFile, writer, comment, newLine);
if (comment.hasTrailingNewLine) {
writer.writeLine();
}
else if (trailingSeparator) {
writer.write(" ");
}
else {
emitLeadingSpace = true;
}
});
}
function writeCommentRange(currentSourceFile, writer, comment, newLine) {
if (currentSourceFile.text.charCodeAt(comment.pos + 1) === 42 /* asterisk */) {
var firstCommentLineAndCharacter = currentSourceFile.getLineAndCharacterFromPosition(comment.pos);
var firstCommentLineIndent;
for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) {
var nextLineStart = currentSourceFile.getPositionFromLineAndCharacter(currentLine + 1, 1);
if (pos !== comment.pos) {
if (firstCommentLineIndent === undefined) {
firstCommentLineIndent = calculateIndent(currentSourceFile.getPositionFromLineAndCharacter(firstCommentLineAndCharacter.line, 1), comment.pos);
}
var currentWriterIndentSpacing = writer.getIndent() * getIndentSize();
var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(pos, nextLineStart);
if (spacesToEmit > 0) {
var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize();
var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize());
writer.rawWrite(indentSizeSpaceString);
while (numberOfSingleSpacesToEmit) {
writer.rawWrite(" ");
numberOfSingleSpacesToEmit--;
}
}
else {
writer.rawWrite("");
}
}
writeTrimmedCurrentLine(pos, nextLineStart);
pos = nextLineStart;
}
}
else {
writer.write(currentSourceFile.text.substring(comment.pos, comment.end));
}
function writeTrimmedCurrentLine(pos, nextLineStart) {
var end = Math.min(comment.end, nextLineStart - 1);
var currentLineText = currentSourceFile.text.substring(pos, end).replace(/^\s+|\s+$/g, '');
if (currentLineText) {
writer.write(currentLineText);
if (end !== comment.end) {
writer.writeLine();
}
}
else {
writer.writeLiteral(newLine);
}
}
function calculateIndent(pos, end) {
var currentLineIndent = 0;
for (; pos < end && ts.isWhiteSpace(currentSourceFile.text.charCodeAt(pos)); pos++) {
if (currentSourceFile.text.charCodeAt(pos) === 9 /* tab */) {
currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize());
}
else {
currentLineIndent++;
}
}
return currentLineIndent;
}
}
function getFirstConstructorWithBody(node) {
return ts.forEach(node.members, function (member) {
if (member.kind === 126 /* Constructor */ && member.body) {
return member;
}
});
}
function getAllAccessorDeclarations(node, accessor) {
var firstAccessor;
var getAccessor;
var setAccessor;
if (accessor.name.kind === 121 /* ComputedPropertyName */) {
firstAccessor = accessor;
if (accessor.kind === 127 /* GetAccessor */) {
getAccessor = accessor;
}
else if (accessor.kind === 128 /* SetAccessor */) {
setAccessor = accessor;
}
else {
ts.Debug.fail("Accessor has wrong kind");
}
}
else {
ts.forEach(node.members, function (member) {
if ((member.kind === 127 /* GetAccessor */ || member.kind === 128 /* SetAccessor */) && member.name.text === accessor.name.text && (member.flags & 128 /* Static */) === (accessor.flags & 128 /* Static */)) {
if (!firstAccessor) {
firstAccessor = member;
}
if (member.kind === 127 /* GetAccessor */ && !getAccessor) {
getAccessor = member;
}
if (member.kind === 128 /* SetAccessor */ && !setAccessor) {
setAccessor = member;
}
}
});
}
return {
firstAccessor: firstAccessor,
getAccessor: getAccessor,
setAccessor: setAccessor
};
}
function getSourceFilePathInNewDir(sourceFile, program, newDirPath) {
var compilerHost = program.getCompilerHost();
var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.filename, compilerHost.getCurrentDirectory());
sourceFilePath = sourceFilePath.replace(program.getCommonSourceDirectory(), "");
return ts.combinePaths(newDirPath, sourceFilePath);
}
function getOwnEmitOutputFilePath(sourceFile, program, extension) {
var compilerOptions = program.getCompilerOptions();
if (compilerOptions.outDir) {
var emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, program, compilerOptions.outDir));
}
else {
var emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.filename);
}
return emitOutputFilePathWithoutExtension + extension;
}
function writeFile(compilerHost, diagnostics, filename, data, writeByteOrderMark) {
compilerHost.writeFile(filename, data, writeByteOrderMark, function (hostErrorMessage) {
diagnostics.push(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, filename, hostErrorMessage));
});
}
function emitDeclarations(program, resolver, diagnostics, jsFilePath, root) {
var newLine = program.getCompilerHost().getNewLine();
var compilerOptions = program.getCompilerOptions();
var compilerHost = program.getCompilerHost();
var write;
var writeLine;
var increaseIndent;
var decreaseIndent;
var writeTextOfNode;
var writer = createAndSetNewTextWriterWithSymbolWriter();
var enclosingDeclaration;
var currentSourceFile;
var reportedDeclarationError = false;
var emitJsDocComments = compilerOptions.removeComments ? function (declaration) {
} : writeJsDocComments;
var aliasDeclarationEmitInfo = [];
function createAndSetNewTextWriterWithSymbolWriter() {
var writer = createTextWriter(newLine);
writer.trackSymbol = trackSymbol;
writer.writeKeyword = writer.write;
writer.writeOperator = writer.write;
writer.writePunctuation = writer.write;
writer.writeSpace = writer.write;
writer.writeStringLiteral = writer.writeLiteral;
writer.writeParameter = writer.write;
writer.writeSymbol = writer.write;
setWriter(writer);
return writer;
}
function setWriter(newWriter) {
writer = newWriter;
write = newWriter.write;
writeTextOfNode = newWriter.writeTextOfNode;
writeLine = newWriter.writeLine;
increaseIndent = newWriter.increaseIndent;
decreaseIndent = newWriter.decreaseIndent;
}
function writeAsychronousImportDeclarations(importDeclarations) {
var oldWriter = writer;
ts.forEach(importDeclarations, function (aliasToWrite) {
var aliasEmitInfo = ts.forEach(aliasDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.declaration === aliasToWrite ? declEmitInfo : undefined; });
if (aliasEmitInfo) {
createAndSetNewTextWriterWithSymbolWriter();
for (var declarationIndent = aliasEmitInfo.indent; declarationIndent; declarationIndent--) {
increaseIndent();
}
writeImportDeclaration(aliasToWrite);
aliasEmitInfo.asynchronousOutput = writer.getText();
}
});
setWriter(oldWriter);
}
function handleSymbolAccessibilityError(symbolAccesibilityResult) {
if (symbolAccesibilityResult.accessibility === 0 /* Accessible */) {
if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) {
writeAsychronousImportDeclarations(symbolAccesibilityResult.aliasesToMakeVisible);
}
}
else {
reportedDeclarationError = true;
var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult);
if (errorInfo) {
if (errorInfo.typeName) {
diagnostics.push(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName));
}
else {
diagnostics.push(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName));
}
}
}
}
function trackSymbol(symbol, enclosingDeclaration, meaning) {
handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning));
}
function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) {
writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic;
write(": ");
if (type) {
emitType(type);
}
else {
resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer);
}
}
function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) {
writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic;
write(": ");
if (signature.type) {
emitType(signature.type);
}
else {
resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer);
}
}
function emitLines(nodes) {
for (var i = 0, n = nodes.length; i < n; i++) {
emitNode(nodes[i]);
}
}
function emitSeparatedList(nodes, separator, eachNodeEmitFn) {
var currentWriterPos = writer.getTextPos();
for (var i = 0, n = nodes.length; i < n; i++) {
if (currentWriterPos !== writer.getTextPos()) {
write(separator);
}
currentWriterPos = writer.getTextPos();
eachNodeEmitFn(nodes[i]);
}
}
function emitCommaList(nodes, eachNodeEmitFn) {
emitSeparatedList(nodes, ", ", eachNodeEmitFn);
}
function writeJsDocComments(declaration) {
if (declaration) {
var jsDocComments = ts.getJsDocComments(declaration, currentSourceFile);
emitNewLineBeforeLeadingComments(currentSourceFile, writer, declaration, jsDocComments);
emitComments(currentSourceFile, writer, jsDocComments, true, newLine, writeCommentRange);
}
}
function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) {
writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic;
emitType(type);
}
function emitType(type) {
switch (type.kind) {
case 109 /* AnyKeyword */:
case 118 /* StringKeyword */:
case 116 /* NumberKeyword */:
case 110 /* BooleanKeyword */:
case 97 /* VoidKeyword */:
case 7 /* StringLiteral */:
return writeTextOfNode(currentSourceFile, type);
case 132 /* TypeReference */:
return emitTypeReference(type);
case 135 /* TypeQuery */:
return emitTypeQuery(type);
case 137 /* ArrayType */:
return emitArrayType(type);
case 138 /* TupleType */:
return emitTupleType(type);
case 139 /* UnionType */:
return emitUnionType(type);
case 140 /* ParenthesizedType */:
return emitParenType(type);
case 133 /* FunctionType */:
case 134 /* ConstructorType */:
return emitSignatureDeclarationWithJsDocComments(type);
case 136 /* TypeLiteral */:
return emitTypeLiteral(type);
case 63 /* Identifier */:
return emitEntityName(type);
case 120 /* QualifiedName */:
return emitEntityName(type);
default:
ts.Debug.fail("Unknown type annotation: " + type.kind);
}
function emitEntityName(entityName) {
var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 191 /* ImportDeclaration */ ? entityName.parent : enclosingDeclaration);
handleSymbolAccessibilityError(visibilityResult);
writeEntityName(entityName);
function writeEntityName(entityName) {
if (entityName.kind === 63 /* Identifier */) {
writeTextOfNode(currentSourceFile, entityName);
}
else {
var qualifiedName = entityName;
writeEntityName(qualifiedName.left);
write(".");
writeTextOfNode(currentSourceFile, qualifiedName.right);
}
}
}
function emitTypeReference(type) {
emitEntityName(type.typeName);
if (type.typeArguments) {
write("<");
emitCommaList(type.typeArguments, emitType);
write(">");
}
}
function emitTypeQuery(type) {
write("typeof ");
emitEntityName(type.exprName);
}
function emitArrayType(type) {
emitType(type.elementType);
write("[]");
}
function emitTupleType(type) {
write("[");
emitCommaList(type.elementTypes, emitType);
write("]");
}
function emitUnionType(type) {
emitSeparatedList(type.types, " | ", emitType);
}
function emitParenType(type) {
write("(");
emitType(type.type);
write(")");
}
function emitTypeLiteral(type) {
write("{");
if (type.members.length) {
writeLine();
increaseIndent();
emitLines(type.members);
decreaseIndent();
}
write("}");
}
}
function emitSourceFile(node) {
currentSourceFile = node;
enclosingDeclaration = node;
emitLines(node.statements);
}
function emitExportAssignment(node) {
write("export = ");
writeTextOfNode(currentSourceFile, node.exportName);
write(";");
writeLine();
}
function emitModuleElementDeclarationFlags(node) {
if (node.parent === currentSourceFile) {
if (node.flags & 1 /* Export */) {
write("export ");
}
if (node.kind !== 186 /* InterfaceDeclaration */) {
write("declare ");
}
}
}
function emitClassMemberDeclarationFlags(node) {
if (node.flags & 32 /* Private */) {
write("private ");
}
else if (node.flags & 64 /* Protected */) {
write("protected ");
}
if (node.flags & 128 /* Static */) {
write("static ");
}
}
function emitImportDeclaration(node) {
var nodeEmitInfo = {
declaration: node,
outputPos: writer.getTextPos(),
indent: writer.getIndent(),
hasWritten: resolver.isDeclarationVisible(node)
};
aliasDeclarationEmitInfo.push(nodeEmitInfo);
if (nodeEmitInfo.hasWritten) {
writeImportDeclaration(node);
}
}
function writeImportDeclaration(node) {
emitJsDocComments(node);
if (node.flags & 1 /* Export */) {
write("export ");
}
write("import ");
writeTextOfNode(currentSourceFile, node.name);
write(" = ");
if (ts.isInternalModuleImportDeclaration(node)) {
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError);
write(";");
}
else {
write("require(");
writeTextOfNode(currentSourceFile, ts.getExternalModuleImportDeclarationExpression(node));
write(");");
}
writer.writeLine();
function getImportEntityNameVisibilityError(symbolAccesibilityResult) {
return {
diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1,
errorNode: node,
typeName: node.name
};
}
}
function emitModuleDeclaration(node) {
if (resolver.isDeclarationVisible(node)) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("module ");
writeTextOfNode(currentSourceFile, node.name);
while (node.body.kind !== 190 /* ModuleBlock */) {
node = node.body;
write(".");
writeTextOfNode(currentSourceFile, node.name);
}
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
write(" {");
writeLine();
increaseIndent();
emitLines(node.body.statements);
decreaseIndent();
write("}");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
}
}
function emitTypeAliasDeclaration(node) {
if (resolver.isDeclarationVisible(node)) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("type ");
writeTextOfNode(currentSourceFile, node.name);
write(" = ");
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError);
write(";");
writeLine();
}
function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) {
return {
diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1,
errorNode: node.type,
typeName: node.name
};
}
}
function emitEnumDeclaration(node) {
if (resolver.isDeclarationVisible(node)) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
if (ts.isConst(node)) {
write("const ");
}
write("enum ");
writeTextOfNode(currentSourceFile, node.name);
write(" {");
writeLine();
increaseIndent();
emitLines(node.members);
decreaseIndent();
write("}");
writeLine();
}
}
function emitEnumMemberDeclaration(node) {
emitJsDocComments(node);
writeTextOfNode(currentSourceFile, node.name);
var enumMemberValue = resolver.getEnumMemberValue(node);
if (enumMemberValue !== undefined) {
write(" = ");
write(enumMemberValue.toString());
}
write(",");
writeLine();
}
function emitTypeParameters(typeParameters) {
function emitTypeParameter(node) {
increaseIndent();
emitJsDocComments(node);
decreaseIndent();
writeTextOfNode(currentSourceFile, node.name);
if (node.constraint && (node.parent.kind !== 125 /* Method */ || !(node.parent.flags & 32 /* Private */))) {
write(" extends ");
if (node.parent.kind === 133 /* FunctionType */ || node.parent.kind === 134 /* ConstructorType */ || (node.parent.parent && node.parent.parent.kind === 136 /* TypeLiteral */)) {
ts.Debug.assert(node.parent.kind === 125 /* Method */ || node.parent.kind === 133 /* FunctionType */ || node.parent.kind === 134 /* ConstructorType */ || node.parent.kind === 129 /* CallSignature */ || node.parent.kind === 130 /* ConstructSignature */);
emitType(node.constraint);
}
else {
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError);
}
}
function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
switch (node.parent.kind) {
case 185 /* ClassDeclaration */:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1;
break;
case 186 /* InterfaceDeclaration */:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1;
break;
case 130 /* ConstructSignature */:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1;
break;
case 129 /* CallSignature */:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1;
break;
case 125 /* Method */:
if (node.parent.flags & 128 /* Static */) {
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1;
}
else if (node.parent.parent.kind === 185 /* ClassDeclaration */) {
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1;
}
break;
case 184 /* FunctionDeclaration */:
diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1;
break;
default:
ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind);
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.name
};
}
}
if (typeParameters) {
write("<");
emitCommaList(typeParameters, emitTypeParameter);
write(">");
}
}
function emitHeritageClause(typeReferences, isImplementsList) {
if (typeReferences) {
write(isImplementsList ? " implements " : " extends ");
emitCommaList(typeReferences, emitTypeOfTypeReference);
}
function emitTypeOfTypeReference(node) {
emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError);
function getHeritageClauseVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
if (node.parent.parent.kind === 185 /* ClassDeclaration */) {
diagnosticMessage = isImplementsList ? ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1;
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.parent.parent.name
};
}
}
}
function emitClassDeclaration(node) {
function emitParameterProperties(constructorDeclaration) {
if (constructorDeclaration) {
ts.forEach(constructorDeclaration.parameters, function (param) {
if (param.flags & 112 /* AccessibilityModifier */) {
emitPropertyDeclaration(param);
}
});
}
}
if (resolver.isDeclarationVisible(node)) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("class ");
writeTextOfNode(currentSourceFile, node.name);
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
emitTypeParameters(node.typeParameters);
var baseTypeNode = ts.getClassBaseTypeNode(node);
if (baseTypeNode) {
emitHeritageClause([baseTypeNode], false);
}
emitHeritageClause(ts.getClassImplementedTypeNodes(node), true);
write(" {");
writeLine();
increaseIndent();
emitParameterProperties(getFirstConstructorWithBody(node));
emitLines(node.members);
decreaseIndent();
write("}");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
}
}
function emitInterfaceDeclaration(node) {
if (resolver.isDeclarationVisible(node)) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
write("interface ");
writeTextOfNode(currentSourceFile, node.name);
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
emitTypeParameters(node.typeParameters);
emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false);
write(" {");
writeLine();
increaseIndent();
emitLines(node.members);
decreaseIndent();
write("}");
writeLine();
enclosingDeclaration = prevEnclosingDeclaration;
}
}
function emitPropertyDeclaration(node) {
emitJsDocComments(node);
emitClassMemberDeclarationFlags(node);
emitVariableDeclaration(node);
write(";");
writeLine();
}
function emitVariableDeclaration(node) {
if (node.kind !== 183 /* VariableDeclaration */ || resolver.isDeclarationVisible(node)) {
writeTextOfNode(currentSourceFile, node.name);
if (node.kind === 124 /* Property */ && ts.hasQuestionToken(node)) {
write("?");
}
if (node.kind === 124 /* Property */ && node.parent.kind === 136 /* TypeLiteral */) {
emitTypeOfVariableDeclarationFromTypeLiteral(node);
}
else if (!(node.flags & 32 /* Private */)) {
writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError);
}
}
function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
if (node.kind === 183 /* VariableDeclaration */) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1;
}
else if (node.kind === 124 /* Property */) {
if (node.flags & 128 /* Static */) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1;
}
else if (node.parent.kind === 185 /* ClassDeclaration */) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1;
}
}
return diagnosticMessage !== undefined ? {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.name
} : undefined;
}
}
function emitTypeOfVariableDeclarationFromTypeLiteral(node) {
if (node.type) {
write(": ");
emitType(node.type);
}
}
function emitVariableStatement(node) {
var hasDeclarationWithEmit = ts.forEach(node.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); });
if (hasDeclarationWithEmit) {
emitJsDocComments(node);
emitModuleElementDeclarationFlags(node);
if (ts.isLet(node)) {
write("let ");
}
else if (ts.isConst(node)) {
write("const ");
}
else {
write("var ");
}
emitCommaList(node.declarations, emitVariableDeclaration);
write(";");
writeLine();
}
}
function emitAccessorDeclaration(node) {
var accessors = getAllAccessorDeclarations(node.parent, node);
if (node === accessors.firstAccessor) {
emitJsDocComments(accessors.getAccessor);
emitJsDocComments(accessors.setAccessor);
emitClassMemberDeclarationFlags(node);
writeTextOfNode(currentSourceFile, node.name);
if (!(node.flags & 32 /* Private */)) {
var accessorWithTypeAnnotation = node;
var type = getTypeAnnotationFromAccessor(node);
if (!type) {
var anotherAccessor = node.kind === 127 /* GetAccessor */ ? accessors.setAccessor : accessors.getAccessor;
type = getTypeAnnotationFromAccessor(anotherAccessor);
if (type) {
accessorWithTypeAnnotation = anotherAccessor;
}
}
writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError);
}
write(";");
writeLine();
}
function getTypeAnnotationFromAccessor(accessor) {
if (accessor) {
return accessor.kind === 127 /* GetAccessor */ ? accessor.type : accessor.parameters[0].type;
}
}
function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
if (accessorWithTypeAnnotation.kind === 128 /* SetAccessor */) {
if (accessorWithTypeAnnotation.parent.flags & 128 /* Static */) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1;
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: accessorWithTypeAnnotation.parameters[0],
typeName: accessorWithTypeAnnotation.name
};
}
else {
if (accessorWithTypeAnnotation.flags & 128 /* Static */) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0;
}
else {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0;
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: accessorWithTypeAnnotation.name,
typeName: undefined
};
}
}
}
function emitFunctionDeclaration(node) {
if ((node.kind !== 184 /* FunctionDeclaration */ || resolver.isDeclarationVisible(node)) && !resolver.isImplementationOfOverload(node)) {
emitJsDocComments(node);
if (node.kind === 184 /* FunctionDeclaration */) {
emitModuleElementDeclarationFlags(node);
}
else if (node.kind === 125 /* Method */) {
emitClassMemberDeclarationFlags(node);
}
if (node.kind === 184 /* FunctionDeclaration */) {
write("function ");
writeTextOfNode(currentSourceFile, node.name);
}
else if (node.kind === 126 /* Constructor */) {
write("constructor");
}
else {
writeTextOfNode(currentSourceFile, node.name);
if (ts.hasQuestionToken(node)) {
write("?");
}
}
emitSignatureDeclaration(node);
}
}
function emitSignatureDeclarationWithJsDocComments(node) {
emitJsDocComments(node);
emitSignatureDeclaration(node);
}
function emitSignatureDeclaration(node) {
if (node.kind === 130 /* ConstructSignature */ || node.kind === 134 /* ConstructorType */) {
write("new ");
}
emitTypeParameters(node.typeParameters);
if (node.kind === 131 /* IndexSignature */) {
write("[");
}
else {
write("(");
}
var prevEnclosingDeclaration = enclosingDeclaration;
enclosingDeclaration = node;
emitCommaList(node.parameters, emitParameterDeclaration);
if (node.kind === 131 /* IndexSignature */) {
write("]");
}
else {
write(")");
}
var isFunctionTypeOrConstructorType = node.kind === 133 /* FunctionType */ || node.kind === 134 /* ConstructorType */;
if (isFunctionTypeOrConstructorType || node.parent.kind === 136 /* TypeLiteral */) {
if (node.type) {
write(isFunctionTypeOrConstructorType ? " => " : ": ");
emitType(node.type);
}
}
else if (node.kind !== 126 /* Constructor */ && !(node.flags & 32 /* Private */)) {
writeReturnTypeAtSignature(node, getReturnTypeVisibilityError);
}
enclosingDeclaration = prevEnclosingDeclaration;
if (!isFunctionTypeOrConstructorType) {
write(";");
writeLine();
}
function getReturnTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
switch (node.kind) {
case 130 /* ConstructSignature */:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0;
break;
case 129 /* CallSignature */:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0;
break;
case 131 /* IndexSignature */:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0;
break;
case 125 /* Method */:
if (node.flags & 128 /* Static */) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0;
}
else if (node.parent.kind === 185 /* ClassDeclaration */) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0;
}
else {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0;
}
break;
case 184 /* FunctionDeclaration */:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0;
break;
default:
ts.Debug.fail("This is unknown kind for signature: " + node.kind);
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node.name || node
};
}
}
function emitParameterDeclaration(node) {
increaseIndent();
emitJsDocComments(node);
if (node.dotDotDotToken) {
write("...");
}
writeTextOfNode(currentSourceFile, node.name);
if (node.initializer || ts.hasQuestionToken(node)) {
write("?");
}
decreaseIndent();
if (node.parent.kind === 133 /* FunctionType */ || node.parent.kind === 134 /* ConstructorType */ || node.parent.parent.kind === 136 /* TypeLiteral */) {
emitTypeOfVariableDeclarationFromTypeLiteral(node);
}
else if (!(node.parent.flags & 32 /* Private */)) {
writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError);
}
function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) {
var diagnosticMessage;
switch (node.parent.kind) {
case 126 /* Constructor */:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1;
break;
case 130 /* ConstructSignature */:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1;
break;
case 129 /* CallSignature */:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1;
break;
case 125 /* Method */:
if (node.parent.flags & 128 /* Static */) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1;
}
else if (node.parent.parent.kind === 185 /* ClassDeclaration */) {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1;
}
else {
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1;
}
break;
case 184 /* FunctionDeclaration */:
diagnosticMessage = symbolAccesibilityResult.errorModuleName ? symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1;
break;
default:
ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind);
}
return {
diagnosticMessage: diagnosticMessage,
errorNode: node,
typeName: node.name
};
}
}
function emitNode(node) {
switch (node.kind) {
case 126 /* Constructor */:
case 184 /* FunctionDeclaration */:
case 125 /* Method */:
return emitFunctionDeclaration(node);
case 130 /* ConstructSignature */:
case 129 /* CallSignature */:
case 131 /* IndexSignature */:
return emitSignatureDeclarationWithJsDocComments(node);
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
return emitAccessorDeclaration(node);
case 164 /* VariableStatement */:
return emitVariableStatement(node);
case 124 /* Property */:
return emitPropertyDeclaration(node);
case 186 /* InterfaceDeclaration */:
return emitInterfaceDeclaration(node);
case 185 /* ClassDeclaration */:
return emitClassDeclaration(node);
case 187 /* TypeAliasDeclaration */:
return emitTypeAliasDeclaration(node);
case 200 /* EnumMember */:
return emitEnumMemberDeclaration(node);
case 188 /* EnumDeclaration */:
return emitEnumDeclaration(node);
case 189 /* ModuleDeclaration */:
return emitModuleDeclaration(node);
case 191 /* ImportDeclaration */:
return emitImportDeclaration(node);
case 192 /* ExportAssignment */:
return emitExportAssignment(node);
case 201 /* SourceFile */:
return emitSourceFile(node);
}
}
var referencePathsOutput = "";
function writeReferencePath(referencedFile) {
var declFileName = referencedFile.flags & 1024 /* DeclarationFile */ ? referencedFile.filename : shouldEmitToOwnFile(referencedFile, compilerOptions) ? getOwnEmitOutputFilePath(referencedFile, program, ".d.ts") : ts.removeFileExtension(compilerOptions.out) + ".d.ts";
declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(jsFilePath)), declFileName, compilerHost.getCurrentDirectory(), compilerHost.getCanonicalFileName, false);
referencePathsOutput += "/// <reference path=\"" + declFileName + "\" />" + newLine;
}
if (root) {
if (!compilerOptions.noResolve) {
var addedGlobalFileReference = false;
ts.forEach(root.referencedFiles, function (fileReference) {
var referencedFile = ts.tryResolveScriptReference(program, root, fileReference);
if (referencedFile && ((referencedFile.flags & 1024 /* DeclarationFile */) || shouldEmitToOwnFile(referencedFile, compilerOptions) || !addedGlobalFileReference)) {
writeReferencePath(referencedFile);
if (!isExternalModuleOrDeclarationFile(referencedFile)) {
addedGlobalFileReference = true;
}
}
});
}
emitNode(root);
}
else {
var emittedReferencedFiles = [];
ts.forEach(program.getSourceFiles(), function (sourceFile) {
if (!isExternalModuleOrDeclarationFile(sourceFile)) {
if (!compilerOptions.noResolve) {
ts.forEach(sourceFile.referencedFiles, function (fileReference) {
var referencedFile = ts.tryResolveScriptReference(program, sourceFile, fileReference);
if (referencedFile && (isExternalModuleOrDeclarationFile(referencedFile) && !ts.contains(emittedReferencedFiles, referencedFile))) {
writeReferencePath(referencedFile);
emittedReferencedFiles.push(referencedFile);
}
});
}
emitNode(sourceFile);
}
});
}
return {
reportedDeclarationError: reportedDeclarationError,
aliasDeclarationEmitInfo: aliasDeclarationEmitInfo,
synchronousDeclarationOutput: writer.getText(),
referencePathsOutput: referencePathsOutput
};
}
function getDeclarationDiagnostics(program, resolver, targetSourceFile) {
var diagnostics = [];
var jsFilePath = getOwnEmitOutputFilePath(targetSourceFile, program, ".js");
emitDeclarations(program, resolver, diagnostics, jsFilePath, targetSourceFile);
return diagnostics;
}
ts.getDeclarationDiagnostics = getDeclarationDiagnostics;
function emitFiles(resolver, targetSourceFile) {
var program = resolver.getProgram();
var compilerHost = program.getCompilerHost();
var compilerOptions = program.getCompilerOptions();
var sourceMapDataList = compilerOptions.sourceMap ? [] : undefined;
var diagnostics = [];
var newLine = program.getCompilerHost().getNewLine();
function emitJavaScript(jsFilePath, root) {
var writer = createTextWriter(newLine);
var write = writer.write;
var writeTextOfNode = writer.writeTextOfNode;
var writeLine = writer.writeLine;
var increaseIndent = writer.increaseIndent;
var decreaseIndent = writer.decreaseIndent;
var currentSourceFile;
var extendsEmitted = false;
var writeEmittedFiles = writeJavaScriptFile;
var emitLeadingComments = compilerOptions.removeComments ? function (node) {
} : emitLeadingDeclarationComments;
var emitTrailingComments = compilerOptions.removeComments ? function (node) {
} : emitTrailingDeclarationComments;
var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) {
} : emitLeadingCommentsOfLocalPosition;
var detachedCommentsInfo;
var emitDetachedComments = compilerOptions.removeComments ? function (node) {
} : emitDetachedCommentsAtPosition;
var emitPinnedOrTripleSlashComments = compilerOptions.removeComments ? function (node) {
} : emitPinnedOrTripleSlashCommentsOfNode;
var writeComment = writeCommentRange;
var emit = emitNode;
var emitStart = function (node) {
};
var emitEnd = function (node) {
};
var emitToken = emitTokenText;
var scopeEmitStart = function (scopeDeclaration, scopeName) {
};
var scopeEmitEnd = function () {
};
var sourceMapData;
function initializeEmitterWithSourceMaps() {
var sourceMapDir;
var sourceMapSourceIndex = -1;
var sourceMapNameIndexMap = {};
var sourceMapNameIndices = [];
function getSourceMapNameIndex() {
return sourceMapNameIndices.length ? sourceMapNameIndices[sourceMapNameIndices.length - 1] : -1;
}
var lastRecordedSourceMapSpan;
var lastEncodedSourceMapSpan = {
emittedLine: 1,
emittedColumn: 1,
sourceLine: 1,
sourceColumn: 1,
sourceIndex: 0
};
var lastEncodedNameIndex = 0;
function encodeLastRecordedSourceMapSpan() {
if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) {
return;
}
var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn;
if (lastEncodedSourceMapSpan.emittedLine == lastRecordedSourceMapSpan.emittedLine) {
if (sourceMapData.sourceMapMappings) {
sourceMapData.sourceMapMappings += ",";
}
}
else {
for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) {
sourceMapData.sourceMapMappings += ";";
}
prevEncodedEmittedColumn = 1;
}
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn);
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex);
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine);
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn);
if (lastRecordedSourceMapSpan.nameIndex >= 0) {
sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex);
lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex;
}
lastEncodedSourceMapSpan = lastRecordedSourceMapSpan;
sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan);
function base64VLQFormatEncode(inValue) {
function base64FormatEncode(inValue) {
if (inValue < 64) {
return 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.charAt(inValue);
}
throw TypeError(inValue + ": not a 64 based value");
}
if (inValue < 0) {
inValue = ((-inValue) << 1) + 1;
}
else {
inValue = inValue << 1;
}
var encodedStr = "";
do {
var currentDigit = inValue & 31;
inValue = inValue >> 5;
if (inValue > 0) {
currentDigit = currentDigit | 32;
}
encodedStr = encodedStr + base64FormatEncode(currentDigit);
} while (inValue > 0);
return encodedStr;
}
}
function recordSourceMapSpan(pos) {
var sourceLinePos = currentSourceFile.getLineAndCharacterFromPosition(pos);
var emittedLine = writer.getLine();
var emittedColumn = writer.getColumn();
if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan.emittedLine != emittedLine || lastRecordedSourceMapSpan.emittedColumn != emittedColumn || (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) {
encodeLastRecordedSourceMapSpan();
lastRecordedSourceMapSpan = {
emittedLine: emittedLine,
emittedColumn: emittedColumn,
sourceLine: sourceLinePos.line,
sourceColumn: sourceLinePos.character,
nameIndex: getSourceMapNameIndex(),
sourceIndex: sourceMapSourceIndex
};
}
else {
lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line;
lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character;
lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex;
}
}
function recordEmitNodeStartSpan(node) {
recordSourceMapSpan(ts.skipTrivia(currentSourceFile.text, node.pos));
}
function recordEmitNodeEndSpan(node) {
recordSourceMapSpan(node.end);
}
function writeTextWithSpanRecord(tokenKind, startPos, emitFn) {
var tokenStartPos = ts.skipTrivia(currentSourceFile.text, startPos);
recordSourceMapSpan(tokenStartPos);
var tokenEndPos = emitTokenText(tokenKind, tokenStartPos, emitFn);
recordSourceMapSpan(tokenEndPos);
return tokenEndPos;
}
function recordNewSourceFileStart(node) {
var sourcesDirectoryPath = compilerOptions.sourceRoot ? program.getCommonSourceDirectory() : sourceMapDir;
sourceMapData.sourceMapSources.push(ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, node.filename, compilerHost.getCurrentDirectory(), compilerHost.getCanonicalFileName, true));
sourceMapSourceIndex = sourceMapData.sourceMapSources.length - 1;
sourceMapData.inputSourceFileNames.push(node.filename);
}
function recordScopeNameOfNode(node, scopeName) {
function recordScopeNameIndex(scopeNameIndex) {
sourceMapNameIndices.push(scopeNameIndex);
}
function recordScopeNameStart(scopeName) {
var scopeNameIndex = -1;
if (scopeName) {
var parentIndex = getSourceMapNameIndex();
if (parentIndex !== -1) {
scopeName = sourceMapData.sourceMapNames[parentIndex] + "." + scopeName;
}
scopeNameIndex = ts.getProperty(sourceMapNameIndexMap, scopeName);
if (scopeNameIndex === undefined) {
scopeNameIndex = sourceMapData.sourceMapNames.length;
sourceMapData.sourceMapNames.push(scopeName);
sourceMapNameIndexMap[scopeName] = scopeNameIndex;
}
}
recordScopeNameIndex(scopeNameIndex);
}
if (scopeName) {
recordScopeNameStart(scopeName);
}
else if (node.kind === 184 /* FunctionDeclaration */ || node.kind === 150 /* FunctionExpression */ || node.kind === 125 /* Method */ || node.kind === 127 /* GetAccessor */ || node.kind === 128 /* SetAccessor */ || node.kind === 189 /* ModuleDeclaration */ || node.kind === 185 /* ClassDeclaration */ || node.kind === 188 /* EnumDeclaration */) {
if (node.name) {
scopeName = node.name.text;
}
recordScopeNameStart(scopeName);
}
else {
recordScopeNameIndex(getSourceMapNameIndex());
}
}
function recordScopeNameEnd() {
sourceMapNameIndices.pop();
}
;
function writeCommentRangeWithMap(curentSourceFile, writer, comment, newLine) {
recordSourceMapSpan(comment.pos);
writeCommentRange(currentSourceFile, writer, comment, newLine);
recordSourceMapSpan(comment.end);
}
function serializeSourceMapContents(version, file, sourceRoot, sources, names, mappings) {
if (typeof JSON !== "undefined") {
return JSON.stringify({
version: version,
file: file,
sourceRoot: sourceRoot,
sources: sources,
names: names,
mappings: mappings
});
}
return "{\"version\":" + version + ",\"file\":\"" + ts.escapeString(file) + "\",\"sourceRoot\":\"" + ts.escapeString(sourceRoot) + "\",\"sources\":[" + serializeStringArray(sources) + "],\"names\":[" + serializeStringArray(names) + "],\"mappings\":\"" + ts.escapeString(mappings) + "\"}";
function serializeStringArray(list) {
var output = "";
for (var i = 0, n = list.length; i < n; i++) {
if (i) {
output += ",";
}
output += "\"" + ts.escapeString(list[i]) + "\"";
}
return output;
}
}
function writeJavaScriptAndSourceMapFile(emitOutput, writeByteOrderMark) {
encodeLastRecordedSourceMapSpan();
writeFile(compilerHost, diagnostics, sourceMapData.sourceMapFilePath, serializeSourceMapContents(3, sourceMapData.sourceMapFile, sourceMapData.sourceMapSourceRoot, sourceMapData.sourceMapSources, sourceMapData.sourceMapNames, sourceMapData.sourceMapMappings), false);
sourceMapDataList.push(sourceMapData);
writeJavaScriptFile(emitOutput + "//# sourceMappingURL=" + sourceMapData.jsSourceMappingURL, writeByteOrderMark);
}
var sourceMapJsFile = ts.getBaseFilename(ts.normalizeSlashes(jsFilePath));
sourceMapData = {
sourceMapFilePath: jsFilePath + ".map",
jsSourceMappingURL: sourceMapJsFile + ".map",
sourceMapFile: sourceMapJsFile,
sourceMapSourceRoot: compilerOptions.sourceRoot || "",
sourceMapSources: [],
inputSourceFileNames: [],
sourceMapNames: [],
sourceMapMappings: "",
sourceMapDecodedMappings: []
};
sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot);
if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47 /* slash */) {
sourceMapData.sourceMapSourceRoot += ts.directorySeparator;
}
if (compilerOptions.mapRoot) {
sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot);
if (root) {
sourceMapDir = ts.getDirectoryPath(getSourceFilePathInNewDir(root, program, sourceMapDir));
}
if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) {
sourceMapDir = ts.combinePaths(program.getCommonSourceDirectory(), sourceMapDir);
sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(jsFilePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), compilerHost.getCurrentDirectory(), compilerHost.getCanonicalFileName, true);
}
else {
sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL);
}
}
else {
sourceMapDir = ts.getDirectoryPath(ts.normalizePath(jsFilePath));
}
function emitNodeWithMap(node) {
if (node) {
if (node.kind != 201 /* SourceFile */) {
recordEmitNodeStartSpan(node);
emitNode(node);
recordEmitNodeEndSpan(node);
}
else {
recordNewSourceFileStart(node);
emitNode(node);
}
}
}
writeEmittedFiles = writeJavaScriptAndSourceMapFile;
emit = emitNodeWithMap;
emitStart = recordEmitNodeStartSpan;
emitEnd = recordEmitNodeEndSpan;
emitToken = writeTextWithSpanRecord;
scopeEmitStart = recordScopeNameOfNode;
scopeEmitEnd = recordScopeNameEnd;
writeComment = writeCommentRangeWithMap;
}
function writeJavaScriptFile(emitOutput, writeByteOrderMark) {
writeFile(compilerHost, diagnostics, jsFilePath, emitOutput, writeByteOrderMark);
}
function emitTokenText(tokenKind, startPos, emitFn) {
var tokenString = ts.tokenToString(tokenKind);
if (emitFn) {
emitFn();
}
else {
write(tokenString);
}
return startPos + tokenString.length;
}
function emitOptional(prefix, node) {
if (node) {
write(prefix);
emit(node);
}
}
function emitTrailingCommaIfPresent(nodeList, isMultiline) {
if (nodeList.hasTrailingComma) {
write(",");
if (isMultiline) {
writeLine();
}
}
}
function emitCommaList(nodes, includeTrailingComma, count) {
if (!(count >= 0)) {
count = nodes.length;
}
if (nodes) {
for (var i = 0; i < count; i++) {
if (i) {
write(", ");
}
emit(nodes[i]);
}
if (includeTrailingComma) {
emitTrailingCommaIfPresent(nodes, false);
}
}
}
function emitMultiLineList(nodes, includeTrailingComma) {
if (nodes) {
for (var i = 0; i < nodes.length; i++) {
if (i) {
write(",");
}
writeLine();
emit(nodes[i]);
}
if (includeTrailingComma) {
emitTrailingCommaIfPresent(nodes, true);
}
}
}
function emitLines(nodes) {
emitLinesStartingAt(nodes, 0);
}
function emitLinesStartingAt(nodes, startIndex) {
for (var i = startIndex; i < nodes.length; i++) {
writeLine();
emit(nodes[i]);
}
}
function isBinaryOrOctalIntegerLiteral(text) {
if (text.length <= 0) {
return false;
}
if (text.charCodeAt(1) === 66 /* B */ || text.charCodeAt(1) === 98 /* b */ || text.charCodeAt(1) === 79 /* O */ || text.charCodeAt(1) === 111 /* o */) {
return true;
}
return false;
}
function emitLiteral(node) {
var text = getLiteralText();
if (compilerOptions.sourceMap && (node.kind === 7 /* StringLiteral */ || ts.isTemplateLiteralKind(node.kind))) {
writer.writeLiteral(text);
}
else if (compilerOptions.target < 2 /* ES6 */ && node.kind === 6 /* NumericLiteral */ && isBinaryOrOctalIntegerLiteral(text)) {
write(node.text);
}
else {
write(text);
}
function getLiteralText() {
if (compilerOptions.target < 2 /* ES6 */ && ts.isTemplateLiteralKind(node.kind)) {
return getTemplateLiteralAsStringLiteral(node);
}
return ts.getSourceTextOfNodeFromSourceFile(currentSourceFile, node);
}
}
function getTemplateLiteralAsStringLiteral(node) {
return '"' + ts.escapeString(node.text) + '"';
}
function emitTemplateExpression(node) {
if (compilerOptions.target >= 2 /* ES6 */) {
ts.forEachChild(node, emit);
return;
}
ts.Debug.assert(node.parent.kind !== 147 /* TaggedTemplateExpression */);
var emitOuterParens = ts.isExpression(node.parent) && templateNeedsParens(node, node.parent);
if (emitOuterParens) {
write("(");
}
emitLiteral(node.head);
ts.forEach(node.templateSpans, function (templateSpan) {
var needsParens = templateSpan.expression.kind !== 149 /* ParenthesizedExpression */ && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1 /* GreaterThan */;
write(" + ");
if (needsParens) {
write("(");
}
emit(templateSpan.expression);
if (needsParens) {
write(")");
}
if (templateSpan.literal.text.length !== 0) {
write(" + ");
emitLiteral(templateSpan.literal);
}
});
if (emitOuterParens) {
write(")");
}
function templateNeedsParens(template, parent) {
switch (parent.kind) {
case 145 /* CallExpression */:
case 146 /* NewExpression */:
return parent.expression === template;
case 149 /* ParenthesizedExpression */:
return false;
case 147 /* TaggedTemplateExpression */:
ts.Debug.fail("Path should be unreachable; tagged templates not supported pre-ES6.");
default:
return comparePrecedenceToBinaryPlus(parent) !== -1 /* LessThan */;
}
}
function comparePrecedenceToBinaryPlus(expression) {
ts.Debug.assert(compilerOptions.target <= 1 /* ES5 */);
switch (expression.kind) {
case 157 /* BinaryExpression */:
switch (expression.operator) {
case 34 /* AsteriskToken */:
case 35 /* SlashToken */:
case 36 /* PercentToken */:
return 1 /* GreaterThan */;
case 32 /* PlusToken */:
return 0 /* EqualTo */;
default:
return -1 /* LessThan */;
}
case 158 /* ConditionalExpression */:
return -1 /* LessThan */;
default:
return 1 /* GreaterThan */;
}
}
}
function emitTemplateSpan(span) {
emit(span.expression);
emit(span.literal);
}
function emitExpressionForPropertyName(node) {
if (node.kind === 7 /* StringLiteral */) {
emitLiteral(node);
}
else if (node.kind === 121 /* ComputedPropertyName */) {
emit(node.expression);
}
else {
write("\"");
if (node.kind === 6 /* NumericLiteral */) {
write(node.text);
}
else {
writeTextOfNode(currentSourceFile, node);
}
write("\"");
}
}
function isNotExpressionIdentifier(node) {
var parent = node.parent;
switch (parent.kind) {
case 123 /* Parameter */:
case 183 /* VariableDeclaration */:
case 124 /* Property */:
case 198 /* PropertyAssignment */:
case 199 /* ShorthandPropertyAssignment */:
case 200 /* EnumMember */:
case 125 /* Method */:
case 184 /* FunctionDeclaration */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 150 /* FunctionExpression */:
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
case 188 /* EnumDeclaration */:
case 189 /* ModuleDeclaration */:
case 191 /* ImportDeclaration */:
return parent.name === node;
case 173 /* BreakStatement */:
case 172 /* ContinueStatement */:
case 192 /* ExportAssignment */:
return false;
case 177 /* LabeledStatement */:
return node.parent.label === node;
case 197 /* CatchClause */:
return node.parent.name === node;
}
}
function emitExpressionIdentifier(node) {
var prefix = resolver.getExpressionNamePrefix(node);
if (prefix) {
write(prefix);
write(".");
}
writeTextOfNode(currentSourceFile, node);
}
function emitIdentifier(node) {
if (!isNotExpressionIdentifier(node)) {
emitExpressionIdentifier(node);
}
else {
writeTextOfNode(currentSourceFile, node);
}
}
function emitThis(node) {
if (resolver.getNodeCheckFlags(node) & 2 /* LexicalThis */) {
write("_this");
}
else {
write("this");
}
}
function emitSuper(node) {
var flags = resolver.getNodeCheckFlags(node);
if (flags & 16 /* SuperInstance */) {
write("_super.prototype");
}
else if (flags & 32 /* SuperStatic */) {
write("_super");
}
else {
write("super");
}
}
function emitArrayLiteral(node) {
if (node.flags & 256 /* MultiLine */) {
write("[");
increaseIndent();
emitMultiLineList(node.elements, true);
decreaseIndent();
writeLine();
write("]");
}
else {
write("[");
emitCommaList(node.elements, true);
write("]");
}
}
function emitObjectLiteral(node) {
if (!node.properties.length) {
write("{}");
}
else if (node.flags & 256 /* MultiLine */) {
write("{");
increaseIndent();
emitMultiLineList(node.properties, compilerOptions.target >= 1 /* ES5 */);
decreaseIndent();
writeLine();
write("}");
}
else {
write("{ ");
emitCommaList(node.properties, compilerOptions.target >= 1 /* ES5 */);
write(" }");
}
}
function emitComputedPropertyName(node) {
write("[");
emit(node.expression);
write("]");
}
function emitDownlevelMethod(node) {
if (!ts.isObjectLiteralMethod(node)) {
return;
}
emitLeadingComments(node);
emit(node.name);
write(": ");
write("function ");
emitSignatureAndBody(node);
emitTrailingComments(node);
}
function emitMethod(node) {
if (!ts.isObjectLiteralMethod(node)) {
return;
}
emitLeadingComments(node);
emit(node.name);
emitSignatureAndBody(node);
emitTrailingComments(node);
}
function emitPropertyAssignment(node) {
emitLeadingComments(node);
emit(node.name);
write(": ");
emit(node.initializer);
emitTrailingComments(node);
}
function emitDownlevelShorthandPropertyAssignment(node) {
emitLeadingComments(node);
emit(node.name);
write(": ");
emitExpressionIdentifier(node.name);
emitTrailingComments(node);
}
function emitShorthandPropertyAssignment(node) {
var prefix = resolver.getExpressionNamePrefix(node.name);
if (prefix) {
emitDownlevelShorthandPropertyAssignment(node);
}
else {
emitLeadingComments(node);
emit(node.name);
emitTrailingComments(node);
}
}
function tryEmitConstantValue(node) {
var constantValue = resolver.getConstantValue(node);
if (constantValue !== undefined) {
var propertyName = node.kind === 143 /* PropertyAccessExpression */ ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression);
write(constantValue.toString() + " /* " + propertyName + " */");
return true;
}
return false;
}
function emitPropertyAccess(node) {
if (tryEmitConstantValue(node)) {
return;
}
emit(node.expression);
write(".");
emit(node.name);
}
function emitQualifiedName(node) {
emit(node.left);
write(".");
emit(node.right);
}
function emitIndexedAccess(node) {
if (tryEmitConstantValue(node)) {
return;
}
emit(node.expression);
write("[");
emit(node.argumentExpression);
write("]");
}
function emitCallExpression(node) {
var superCall = false;
if (node.expression.kind === 89 /* SuperKeyword */) {
write("_super");
superCall = true;
}
else {
emit(node.expression);
superCall = node.expression.kind === 143 /* PropertyAccessExpression */ && node.expression.expression.kind === 89 /* SuperKeyword */;
}
if (superCall) {
write(".call(");
emitThis(node.expression);
if (node.arguments.length) {
write(", ");
emitCommaList(node.arguments, false);
}
write(")");
}
else {
write("(");
emitCommaList(node.arguments, false);
write(")");
}
}
function emitNewExpression(node) {
write("new ");
emit(node.expression);
if (node.arguments) {
write("(");
emitCommaList(node.arguments, false);
write(")");
}
}
function emitTaggedTemplateExpression(node) {
ts.Debug.assert(compilerOptions.target >= 2 /* ES6 */, "Trying to emit a tagged template in pre-ES6 mode.");
emit(node.tag);
write(" ");
emit(node.template);
}
function emitParenExpression(node) {
if (node.expression.kind === 148 /* TypeAssertionExpression */) {
var operand = node.expression.expression;
while (operand.kind == 148 /* TypeAssertionExpression */) {
operand = operand.expression;
}
if (operand.kind !== 155 /* PrefixUnaryExpression */ && operand.kind !== 154 /* VoidExpression */ && operand.kind !== 153 /* TypeOfExpression */ && operand.kind !== 152 /* DeleteExpression */ && operand.kind !== 156 /* PostfixUnaryExpression */ && operand.kind !== 146 /* NewExpression */ && !(operand.kind === 145 /* CallExpression */ && node.parent.kind === 146 /* NewExpression */) && !(operand.kind === 150 /* FunctionExpression */ && node.parent.kind === 145 /* CallExpression */)) {
emit(operand);
return;
}
}
write("(");
emit(node.expression);
write(")");
}
function emitDeleteExpression(node) {
write(ts.tokenToString(72 /* DeleteKeyword */));
write(" ");
emit(node.expression);
}
function emitVoidExpression(node) {
write(ts.tokenToString(97 /* VoidKeyword */));
write(" ");
emit(node.expression);
}
function emitTypeOfExpression(node) {
write(ts.tokenToString(95 /* TypeOfKeyword */));
write(" ");
emit(node.expression);
}
function emitPrefixUnaryExpression(node) {
write(ts.tokenToString(node.operator));
if (node.operand.kind === 155 /* PrefixUnaryExpression */) {
var operand = node.operand;
if (node.operator === 32 /* PlusToken */ && (operand.operator === 32 /* PlusToken */ || operand.operator === 37 /* PlusPlusToken */)) {
write(" ");
}
else if (node.operator === 33 /* MinusToken */ && (operand.operator === 33 /* MinusToken */ || operand.operator === 38 /* MinusMinusToken */)) {
write(" ");
}
}
emit(node.operand);
}
function emitPostfixUnaryExpression(node) {
emit(node.operand);
write(ts.tokenToString(node.operator));
}
function emitBinaryExpression(node) {
emit(node.left);
if (node.operator !== 22 /* CommaToken */)
write(" ");
write(ts.tokenToString(node.operator));
write(" ");
emit(node.right);
}
function emitConditionalExpression(node) {
emit(node.condition);
write(" ? ");
emit(node.whenTrue);
write(" : ");
emit(node.whenFalse);
}
function emitBlock(node) {
emitToken(13 /* OpenBraceToken */, node.pos);
increaseIndent();
scopeEmitStart(node.parent);
if (node.kind === 190 /* ModuleBlock */) {
ts.Debug.assert(node.parent.kind === 189 /* ModuleDeclaration */);
emitCaptureThisForNodeIfNecessary(node.parent);
}
emitLines(node.statements);
decreaseIndent();
writeLine();
emitToken(14 /* CloseBraceToken */, node.statements.end);
scopeEmitEnd();
}
function emitEmbeddedStatement(node) {
if (node.kind === 163 /* Block */) {
write(" ");
emit(node);
}
else {
increaseIndent();
writeLine();
emit(node);
decreaseIndent();
}
}
function emitExpressionStatement(node) {
var isArrowExpression = node.expression.kind === 151 /* ArrowFunction */;
emitLeadingComments(node);
if (isArrowExpression)
write("(");
emit(node.expression);
if (isArrowExpression)
write(")");
write(";");
emitTrailingComments(node);
}
function emitIfStatement(node) {
emitLeadingComments(node);
var endPos = emitToken(82 /* IfKeyword */, node.pos);
write(" ");
endPos = emitToken(15 /* OpenParenToken */, endPos);
emit(node.expression);
emitToken(16 /* CloseParenToken */, node.expression.end);
emitEmbeddedStatement(node.thenStatement);
if (node.elseStatement) {
writeLine();
emitToken(74 /* ElseKeyword */, node.thenStatement.end);
if (node.elseStatement.kind === 167 /* IfStatement */) {
write(" ");
emit(node.elseStatement);
}
else {
emitEmbeddedStatement(node.elseStatement);
}
}
emitTrailingComments(node);
}
function emitDoStatement(node) {
write("do");
emitEmbeddedStatement(node.statement);
if (node.statement.kind === 163 /* Block */) {
write(" ");
}
else {
writeLine();
}
write("while (");
emit(node.expression);
write(");");
}
function emitWhileStatement(node) {
write("while (");
emit(node.expression);
write(")");
emitEmbeddedStatement(node.statement);
}
function emitForStatement(node) {
var endPos = emitToken(80 /* ForKeyword */, node.pos);
write(" ");
endPos = emitToken(15 /* OpenParenToken */, endPos);
if (node.declarations) {
if (node.declarations[0] && ts.isLet(node.declarations[0])) {
emitToken(102 /* LetKeyword */, endPos);
}
else if (node.declarations[0] && ts.isConst(node.declarations[0])) {
emitToken(68 /* ConstKeyword */, endPos);
}
else {
emitToken(96 /* VarKeyword */, endPos);
}
write(" ");
emitCommaList(node.declarations, false);
}
if (node.initializer) {
emit(node.initializer);
}
write(";");
emitOptional(" ", node.condition);
write(";");
emitOptional(" ", node.iterator);
write(")");
emitEmbeddedStatement(node.statement);
}
function emitForInStatement(node) {
var endPos = emitToken(80 /* ForKeyword */, node.pos);
write(" ");
endPos = emitToken(15 /* OpenParenToken */, endPos);
if (node.declarations) {
if (node.declarations.length >= 1) {
var decl = node.declarations[0];
if (ts.isLet(decl)) {
emitToken(102 /* LetKeyword */, endPos);
}
else {
emitToken(96 /* VarKeyword */, endPos);
}
write(" ");
emit(decl);
}
}
else {
emit(node.variable);
}
write(" in ");
emit(node.expression);
emitToken(16 /* CloseParenToken */, node.expression.end);
emitEmbeddedStatement(node.statement);
}
function emitBreakOrContinueStatement(node) {
emitToken(node.kind === 173 /* BreakStatement */ ? 64 /* BreakKeyword */ : 69 /* ContinueKeyword */, node.pos);
emitOptional(" ", node.label);
write(";");
}
function emitReturnStatement(node) {
emitLeadingComments(node);
emitToken(88 /* ReturnKeyword */, node.pos);
emitOptional(" ", node.expression);
write(";");
emitTrailingComments(node);
}
function emitWithStatement(node) {
write("with (");
emit(node.expression);
write(")");
emitEmbeddedStatement(node.statement);
}
function emitSwitchStatement(node) {
var endPos = emitToken(90 /* SwitchKeyword */, node.pos);
write(" ");
emitToken(15 /* OpenParenToken */, endPos);
emit(node.expression);
endPos = emitToken(16 /* CloseParenToken */, node.expression.end);
write(" ");
emitToken(13 /* OpenBraceToken */, endPos);
increaseIndent();
emitLines(node.clauses);
decreaseIndent();
writeLine();
emitToken(14 /* CloseBraceToken */, node.clauses.end);
}
function isOnSameLine(node1, node2) {
return getLineOfLocalPosition(currentSourceFile, ts.skipTrivia(currentSourceFile.text, node1.pos)) === getLineOfLocalPosition(currentSourceFile, ts.skipTrivia(currentSourceFile.text, node2.pos));
}
function emitCaseOrDefaultClause(node) {
if (node.kind === 194 /* CaseClause */) {
write("case ");
emit(node.expression);
write(":");
}
else {
write("default:");
}
if (node.statements.length === 1 && isOnSameLine(node, node.statements[0])) {
write(" ");
emit(node.statements[0]);
}
else {
increaseIndent();
emitLines(node.statements);
decreaseIndent();
}
}
function emitThrowStatement(node) {
write("throw ");
emit(node.expression);
write(";");
}
function emitTryStatement(node) {
write("try ");
emit(node.tryBlock);
emit(node.catchClause);
if (node.finallyBlock) {
writeLine();
write("finally ");
emit(node.finallyBlock);
}
}
function emitCatchClause(node) {
writeLine();
var endPos = emitToken(66 /* CatchKeyword */, node.pos);
write(" ");
emitToken(15 /* OpenParenToken */, endPos);
emit(node.name);
emitToken(16 /* CloseParenToken */, node.name.end);
write(" ");
emitBlock(node.block);
}
function emitDebuggerStatement(node) {
emitToken(70 /* DebuggerKeyword */, node.pos);
write(";");
}
function emitLabelledStatement(node) {
emit(node.label);
write(": ");
emit(node.statement);
}
function getContainingModule(node) {
do {
node = node.parent;
} while (node && node.kind !== 189 /* ModuleDeclaration */);
return node;
}
function emitModuleMemberName(node) {
emitStart(node.name);
if (node.flags & 1 /* Export */) {
var container = getContainingModule(node);
write(container ? resolver.getLocalNameOfContainer(container) : "exports");
write(".");
}
emitNode(node.name);
emitEnd(node.name);
}
function emitVariableDeclaration(node) {
emitLeadingComments(node);
emitModuleMemberName(node);
emitOptional(" = ", node.initializer);
emitTrailingComments(node);
}
function emitVariableStatement(node) {
emitLeadingComments(node);
if (!(node.flags & 1 /* Export */)) {
if (ts.isLet(node)) {
write("let ");
}
else if (ts.isConst(node)) {
write("const ");
}
else {
write("var ");
}
}
emitCommaList(node.declarations, false);
write(";");
emitTrailingComments(node);
}
function emitParameter(node) {
emitLeadingComments(node);
emit(node.name);
emitTrailingComments(node);
}
function emitDefaultValueAssignments(node) {
ts.forEach(node.parameters, function (param) {
if (param.initializer) {
writeLine();
emitStart(param);
write("if (");
emitNode(param.name);
write(" === void 0)");
emitEnd(param);
write(" { ");
emitStart(param);
emitNode(param.name);
write(" = ");
emitNode(param.initializer);
emitEnd(param);
write("; }");
}
});
}
function emitRestParameter(node) {
if (ts.hasRestParameters(node)) {
var restIndex = node.parameters.length - 1;
var restParam = node.parameters[restIndex];
writeLine();
emitLeadingComments(restParam);
emitStart(restParam);
write("var ");
emitNode(restParam.name);
write(" = [];");
emitEnd(restParam);
emitTrailingComments(restParam);
writeLine();
write("for (");
emitStart(restParam);
write("var _i = " + restIndex + ";");
emitEnd(restParam);
write(" ");
emitStart(restParam);
write("_i < arguments.length;");
emitEnd(restParam);
write(" ");
emitStart(restParam);
write("_i++");
emitEnd(restParam);
write(") {");
increaseIndent();
writeLine();
emitStart(restParam);
emitNode(restParam.name);
write("[_i - " + restIndex + "] = arguments[_i];");
emitEnd(restParam);
decreaseIndent();
writeLine();
write("}");
}
}
function emitAccessor(node) {
emitLeadingComments(node);
write(node.kind === 127 /* GetAccessor */ ? "get " : "set ");
emit(node.name);
emitSignatureAndBody(node);
emitTrailingComments(node);
}
function emitFunctionDeclaration(node) {
if (!node.body) {
return emitPinnedOrTripleSlashComments(node);
}
if (node.kind !== 125 /* Method */) {
emitLeadingComments(node);
}
write("function ");
if (node.kind === 184 /* FunctionDeclaration */ || (node.kind === 150 /* FunctionExpression */ && node.name)) {
emit(node.name);
}
emitSignatureAndBody(node);
if (node.kind !== 125 /* Method */) {
emitTrailingComments(node);
}
}
function emitCaptureThisForNodeIfNecessary(node) {
if (resolver.getNodeCheckFlags(node) & 4 /* CaptureThis */) {
writeLine();
emitStart(node);
write("var _this = this;");
emitEnd(node);
}
}
function emitSignatureParameters(node) {
increaseIndent();
write("(");
if (node) {
emitCommaList(node.parameters, false, node.parameters.length - (ts.hasRestParameters(node) ? 1 : 0));
}
write(")");
decreaseIndent();
}
function emitSignatureAndBody(node) {
emitSignatureParameters(node);
write(" {");
scopeEmitStart(node);
increaseIndent();
emitDetachedComments(node.body.kind === 163 /* Block */ ? node.body.statements : node.body);
var startIndex = 0;
if (node.body.kind === 163 /* Block */) {
startIndex = emitDirectivePrologues(node.body.statements, true);
}
var outPos = writer.getTextPos();
emitCaptureThisForNodeIfNecessary(node);
emitDefaultValueAssignments(node);
emitRestParameter(node);
if (node.body.kind !== 163 /* Block */ && outPos === writer.getTextPos()) {
decreaseIndent();
write(" ");
emitStart(node.body);
write("return ");
emitNode(node.body);
emitEnd(node.body);
write("; ");
emitStart(node.body);
write("}");
emitEnd(node.body);
}
else {
if (node.body.kind === 163 /* Block */) {
emitLinesStartingAt(node.body.statements, startIndex);
}
else {
writeLine();
emitLeadingComments(node.body);
write("return ");
emit(node.body);
write(";");
emitTrailingComments(node.body);
}
writeLine();
if (node.body.kind === 163 /* Block */) {
emitLeadingCommentsOfPosition(node.body.statements.end);
decreaseIndent();
emitToken(14 /* CloseBraceToken */, node.body.statements.end);
}
else {
decreaseIndent();
emitStart(node.body);
write("}");
emitEnd(node.body);
}
}
scopeEmitEnd();
if (node.flags & 1 /* Export */) {
writeLine();
emitStart(node);
emitModuleMemberName(node);
write(" = ");
emit(node.name);
emitEnd(node);
write(";");
}
}
function findInitialSuperCall(ctor) {
if (ctor.body) {
var statement = ctor.body.statements[0];
if (statement && statement.kind === 166 /* ExpressionStatement */) {
var expr = statement.expression;
if (expr && expr.kind === 145 /* CallExpression */) {
var func = expr.expression;
if (func && func.kind === 89 /* SuperKeyword */) {
return statement;
}
}
}
}
}
function emitParameterPropertyAssignments(node) {
ts.forEach(node.parameters, function (param) {
if (param.flags & 112 /* AccessibilityModifier */) {
writeLine();
emitStart(param);
emitStart(param.name);
write("this.");
emitNode(param.name);
emitEnd(param.name);
write(" = ");
emit(param.name);
write(";");
emitEnd(param);
}
});
}
function emitMemberAccessForPropertyName(memberName) {
if (memberName.kind === 7 /* StringLiteral */ || memberName.kind === 6 /* NumericLiteral */) {
write("[");
emitNode(memberName);
write("]");
}
else if (memberName.kind === 121 /* ComputedPropertyName */) {
emitComputedPropertyName(memberName);
}
else {
write(".");
emitNode(memberName);
}
}
function emitMemberAssignments(node, staticFlag) {
ts.forEach(node.members, function (member) {
if (member.kind === 124 /* Property */ && (member.flags & 128 /* Static */) === staticFlag && member.initializer) {
writeLine();
emitLeadingComments(member);
emitStart(member);
emitStart(member.name);
if (staticFlag) {
emitNode(node.name);
}
else {
write("this");
}
emitMemberAccessForPropertyName(member.name);
emitEnd(member.name);
write(" = ");
emit(member.initializer);
write(";");
emitEnd(member);
emitTrailingComments(member);
}
});
}
function emitMemberFunctions(node) {
ts.forEach(node.members, function (member) {
if (member.kind === 125 /* Method */) {
if (!member.body) {
return emitPinnedOrTripleSlashComments(member);
}
writeLine();
emitLeadingComments(member);
emitStart(member);
emitStart(member.name);
emitNode(node.name);
if (!(member.flags & 128 /* Static */)) {
write(".prototype");
}
emitMemberAccessForPropertyName(member.name);
emitEnd(member.name);
write(" = ");
emitStart(member);
emitFunctionDeclaration(member);
emitEnd(member);
emitEnd(member);
write(";");
emitTrailingComments(member);
}
else if (member.kind === 127 /* GetAccessor */ || member.kind === 128 /* SetAccessor */) {
var accessors = getAllAccessorDeclarations(node, member);
if (member === accessors.firstAccessor) {
writeLine();
emitStart(member);
write("Object.defineProperty(");
emitStart(member.name);
emitNode(node.name);
if (!(member.flags & 128 /* Static */)) {
write(".prototype");
}
write(", ");
emitExpressionForPropertyName(member.name);
emitEnd(member.name);
write(", {");
increaseIndent();
if (accessors.getAccessor) {
writeLine();
emitLeadingComments(accessors.getAccessor);
write("get: ");
emitStart(accessors.getAccessor);
write("function ");
emitSignatureAndBody(accessors.getAccessor);
emitEnd(accessors.getAccessor);
emitTrailingComments(accessors.getAccessor);
write(",");
}
if (accessors.setAccessor) {
writeLine();
emitLeadingComments(accessors.setAccessor);
write("set: ");
emitStart(accessors.setAccessor);
write("function ");
emitSignatureAndBody(accessors.setAccessor);
emitEnd(accessors.setAccessor);
emitTrailingComments(accessors.setAccessor);
write(",");
}
writeLine();
write("enumerable: true,");
writeLine();
write("configurable: true");
decreaseIndent();
writeLine();
write("});");
emitEnd(member);
}
}
});
}
function emitClassDeclaration(node) {
emitLeadingComments(node);
write("var ");
emit(node.name);
write(" = (function (");
var baseTypeNode = ts.getClassBaseTypeNode(node);
if (baseTypeNode) {
write("_super");
}
write(") {");
increaseIndent();
scopeEmitStart(node);
if (baseTypeNode) {
writeLine();
emitStart(baseTypeNode);
write("__extends(");
emit(node.name);
write(", _super);");
emitEnd(baseTypeNode);
}
writeLine();
emitConstructorOfClass();
emitMemberFunctions(node);
emitMemberAssignments(node, 128 /* Static */);
writeLine();
function emitClassReturnStatement() {
write("return ");
emitNode(node.name);
}
emitToken(14 /* CloseBraceToken */, node.members.end, emitClassReturnStatement);
write(";");
decreaseIndent();
writeLine();
emitToken(14 /* CloseBraceToken */, node.members.end);
scopeEmitEnd();
emitStart(node);
write(")(");
if (baseTypeNode) {
emit(baseTypeNode.typeName);
}
write(");");
emitEnd(node);
if (node.flags & 1 /* Export */) {
writeLine();
emitStart(node);
emitModuleMemberName(node);
write(" = ");
emit(node.name);
emitEnd(node);
write(";");
}
emitTrailingComments(node);
function emitConstructorOfClass() {
ts.forEach(node.members, function (member) {
if (member.kind === 126 /* Constructor */ && !member.body) {
emitPinnedOrTripleSlashComments(member);
}
});
var ctor = getFirstConstructorWithBody(node);
if (ctor) {
emitLeadingComments(ctor);
}
emitStart(ctor || node);
write("function ");
emit(node.name);
emitSignatureParameters(ctor);
write(" {");
scopeEmitStart(node, "constructor");
increaseIndent();
if (ctor) {
emitDetachedComments(ctor.body.statements);
}
emitCaptureThisForNodeIfNecessary(node);
if (ctor) {
emitDefaultValueAssignments(ctor);
emitRestParameter(ctor);
if (baseTypeNode) {
var superCall = findInitialSuperCall(ctor);
if (superCall) {
writeLine();
emit(superCall);
}
}
emitParameterPropertyAssignments(ctor);
}
else {
if (baseTypeNode) {
writeLine();
emitStart(baseTypeNode);
write("_super.apply(this, arguments);");
emitEnd(baseTypeNode);
}
}
emitMemberAssignments(node, 0);
if (ctor) {
var statements = ctor.body.statements;
if (superCall)
statements = statements.slice(1);
emitLines(statements);
}
writeLine();
if (ctor) {
emitLeadingCommentsOfPosition(ctor.body.statements.end);
}
decreaseIndent();
emitToken(14 /* CloseBraceToken */, ctor ? ctor.body.statements.end : node.members.end);
scopeEmitEnd();
emitEnd(ctor || node);
if (ctor) {
emitTrailingComments(ctor);
}
}
}
function emitInterfaceDeclaration(node) {
emitPinnedOrTripleSlashComments(node);
}
function emitEnumDeclaration(node) {
var isConstEnum = ts.isConst(node);
if (isConstEnum && !compilerOptions.preserveConstEnums) {
return;
}
emitLeadingComments(node);
if (!(node.flags & 1 /* Export */)) {
emitStart(node);
write("var ");
emit(node.name);
emitEnd(node);
write(";");
}
writeLine();
emitStart(node);
write("(function (");
emitStart(node.name);
write(resolver.getLocalNameOfContainer(node));
emitEnd(node.name);
write(") {");
increaseIndent();
scopeEmitStart(node);
emitEnumMemberDeclarations(isConstEnum);
decreaseIndent();
writeLine();
emitToken(14 /* CloseBraceToken */, node.members.end);
scopeEmitEnd();
write(")(");
emitModuleMemberName(node);
write(" || (");
emitModuleMemberName(node);
write(" = {}));");
emitEnd(node);
if (node.flags & 1 /* Export */) {
writeLine();
emitStart(node);
write("var ");
emit(node.name);
write(" = ");
emitModuleMemberName(node);
emitEnd(node);
write(";");
}
emitTrailingComments(node);
function emitEnumMemberDeclarations(isConstEnum) {
ts.forEach(node.members, function (member) {
writeLine();
emitLeadingComments(member);
emitStart(member);
write(resolver.getLocalNameOfContainer(node));
write("[");
write(resolver.getLocalNameOfContainer(node));
write("[");
emitExpressionForPropertyName(member.name);
write("] = ");
if (member.initializer && !isConstEnum) {
emit(member.initializer);
}
else {
write(resolver.getEnumMemberValue(member).toString());
}
write("] = ");
emitExpressionForPropertyName(member.name);
emitEnd(member);
write(";");
emitTrailingComments(member);
});
}
}
function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) {
if (moduleDeclaration.body.kind === 189 /* ModuleDeclaration */) {
var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body);
return recursiveInnerModule || moduleDeclaration.body;
}
}
function emitModuleDeclaration(node) {
var shouldEmit = ts.getModuleInstanceState(node) === 1 /* Instantiated */ || (ts.getModuleInstanceState(node) === 2 /* ConstEnumOnly */ && compilerOptions.preserveConstEnums);
if (!shouldEmit) {
return emitPinnedOrTripleSlashComments(node);
}
emitLeadingComments(node);
emitStart(node);
write("var ");
emit(node.name);
write(";");
emitEnd(node);
writeLine();
emitStart(node);
write("(function (");
emitStart(node.name);
write(resolver.getLocalNameOfContainer(node));
emitEnd(node.name);
write(") ");
if (node.body.kind === 190 /* ModuleBlock */) {
emit(node.body);
}
else {
write("{");
increaseIndent();
scopeEmitStart(node);
emitCaptureThisForNodeIfNecessary(node);
writeLine();
emit(node.body);
decreaseIndent();
writeLine();
var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body;
emitToken(14 /* CloseBraceToken */, moduleBlock.statements.end);
scopeEmitEnd();
}
write(")(");
if (node.flags & 1 /* Export */) {
emit(node.name);
write(" = ");
}
emitModuleMemberName(node);
write(" || (");
emitModuleMemberName(node);
write(" = {}));");
emitEnd(node);
emitTrailingComments(node);
}
function emitImportDeclaration(node) {
var emitImportDeclaration = resolver.isReferencedImportDeclaration(node);
if (!emitImportDeclaration) {
emitImportDeclaration = !ts.isExternalModule(currentSourceFile) && resolver.isTopLevelValueImportWithEntityName(node);
}
if (emitImportDeclaration) {
if (ts.isExternalModuleImportDeclaration(node) && node.parent.kind === 201 /* SourceFile */ && compilerOptions.module === 2 /* AMD */) {
if (node.flags & 1 /* Export */) {
writeLine();
emitLeadingComments(node);
emitStart(node);
emitModuleMemberName(node);
write(" = ");
emit(node.name);
write(";");
emitEnd(node);
emitTrailingComments(node);
}
}
else {
writeLine();
emitLeadingComments(node);
emitStart(node);
if (!(node.flags & 1 /* Export */))
write("var ");
emitModuleMemberName(node);
write(" = ");
if (ts.isInternalModuleImportDeclaration(node)) {
emit(node.moduleReference);
}
else {
var literal = ts.getExternalModuleImportDeclarationExpression(node);
write("require(");
emitStart(literal);
emitLiteral(literal);
emitEnd(literal);
emitToken(16 /* CloseParenToken */, literal.end);
}
write(";");
emitEnd(node);
emitTrailingComments(node);
}
}
}
function getExternalImportDeclarations(node) {
var result = [];
ts.forEach(node.statements, function (statement) {
if (ts.isExternalModuleImportDeclaration(statement) && resolver.isReferencedImportDeclaration(statement)) {
result.push(statement);
}
});
return result;
}
function getFirstExportAssignment(sourceFile) {
return ts.forEach(sourceFile.statements, function (node) {
if (node.kind === 192 /* ExportAssignment */) {
return node;
}
});
}
function emitAMDModule(node, startIndex) {
var imports = getExternalImportDeclarations(node);
writeLine();
write("define(");
if (node.amdModuleName) {
write("\"" + node.amdModuleName + "\", ");
}
write("[\"require\", \"exports\"");
ts.forEach(imports, function (imp) {
write(", ");
emitLiteral(ts.getExternalModuleImportDeclarationExpression(imp));
});
ts.forEach(node.amdDependencies, function (amdDependency) {
var text = "\"" + amdDependency + "\"";
write(", ");
write(text);
});
write("], function (require, exports");
ts.forEach(imports, function (imp) {
write(", ");
emit(imp.name);
});
write(") {");
increaseIndent();
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
var exportName = resolver.getExportAssignmentName(node);
if (exportName) {
writeLine();
var exportAssignement = getFirstExportAssignment(node);
emitStart(exportAssignement);
write("return ");
emitStart(exportAssignement.exportName);
write(exportName);
emitEnd(exportAssignement.exportName);
write(";");
emitEnd(exportAssignement);
}
decreaseIndent();
writeLine();
write("});");
}
function emitCommonJSModule(node, startIndex) {
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
var exportName = resolver.getExportAssignmentName(node);
if (exportName) {
writeLine();
var exportAssignement = getFirstExportAssignment(node);
emitStart(exportAssignement);
write("module.exports = ");
emitStart(exportAssignement.exportName);
write(exportName);
emitEnd(exportAssignement.exportName);
write(";");
emitEnd(exportAssignement);
}
}
function emitDirectivePrologues(statements, startWithNewLine) {
for (var i = 0; i < statements.length; ++i) {
if (ts.isPrologueDirective(statements[i])) {
if (startWithNewLine || i > 0) {
writeLine();
}
emit(statements[i]);
}
else {
return i;
}
}
return statements.length;
}
function emitSourceFile(node) {
currentSourceFile = node;
writeLine();
emitDetachedComments(node);
var startIndex = emitDirectivePrologues(node.statements, false);
if (!extendsEmitted && resolver.getNodeCheckFlags(node) & 8 /* EmitExtends */) {
writeLine();
write("var __extends = this.__extends || function (d, b) {");
increaseIndent();
writeLine();
write("for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];");
writeLine();
write("function __() { this.constructor = d; }");
writeLine();
write("__.prototype = b.prototype;");
writeLine();
write("d.prototype = new __();");
decreaseIndent();
writeLine();
write("};");
extendsEmitted = true;
}
if (ts.isExternalModule(node)) {
if (compilerOptions.module === 2 /* AMD */) {
emitAMDModule(node, startIndex);
}
else {
emitCommonJSModule(node, startIndex);
}
}
else {
emitCaptureThisForNodeIfNecessary(node);
emitLinesStartingAt(node.statements, startIndex);
}
emitLeadingComments(node.endOfFileToken);
}
function emitNode(node) {
if (!node) {
return;
}
if (node.flags & 2 /* Ambient */) {
return emitPinnedOrTripleSlashComments(node);
}
switch (node.kind) {
case 63 /* Identifier */:
return emitIdentifier(node);
case 123 /* Parameter */:
return emitParameter(node);
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
return emitAccessor(node);
case 91 /* ThisKeyword */:
return emitThis(node);
case 89 /* SuperKeyword */:
return emitSuper(node);
case 87 /* NullKeyword */:
return write("null");
case 93 /* TrueKeyword */:
return write("true");
case 78 /* FalseKeyword */:
return write("false");
case 6 /* NumericLiteral */:
case 7 /* StringLiteral */:
case 8 /* RegularExpressionLiteral */:
case 9 /* NoSubstitutionTemplateLiteral */:
case 10 /* TemplateHead */:
case 11 /* TemplateMiddle */:
case 12 /* TemplateTail */:
return emitLiteral(node);
case 159 /* TemplateExpression */:
return emitTemplateExpression(node);
case 162 /* TemplateSpan */:
return emitTemplateSpan(node);
case 120 /* QualifiedName */:
return emitQualifiedName(node);
case 141 /* ArrayLiteralExpression */:
return emitArrayLiteral(node);
case 142 /* ObjectLiteralExpression */:
return emitObjectLiteral(node);
case 198 /* PropertyAssignment */:
return emitPropertyAssignment(node);
case 121 /* ComputedPropertyName */:
return emitComputedPropertyName(node);
case 143 /* PropertyAccessExpression */:
return emitPropertyAccess(node);
case 144 /* ElementAccessExpression */:
return emitIndexedAccess(node);
case 145 /* CallExpression */:
return emitCallExpression(node);
case 146 /* NewExpression */:
return emitNewExpression(node);
case 147 /* TaggedTemplateExpression */:
return emitTaggedTemplateExpression(node);
case 148 /* TypeAssertionExpression */:
return emit(node.expression);
case 149 /* ParenthesizedExpression */:
return emitParenExpression(node);
case 184 /* FunctionDeclaration */:
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
return emitFunctionDeclaration(node);
case 152 /* DeleteExpression */:
return emitDeleteExpression(node);
case 153 /* TypeOfExpression */:
return emitTypeOfExpression(node);
case 154 /* VoidExpression */:
return emitVoidExpression(node);
case 155 /* PrefixUnaryExpression */:
return emitPrefixUnaryExpression(node);
case 156 /* PostfixUnaryExpression */:
return emitPostfixUnaryExpression(node);
case 157 /* BinaryExpression */:
return emitBinaryExpression(node);
case 158 /* ConditionalExpression */:
return emitConditionalExpression(node);
case 161 /* OmittedExpression */:
return;
case 163 /* Block */:
case 180 /* TryBlock */:
case 181 /* FinallyBlock */:
case 190 /* ModuleBlock */:
return emitBlock(node);
case 164 /* VariableStatement */:
return emitVariableStatement(node);
case 165 /* EmptyStatement */:
return write(";");
case 166 /* ExpressionStatement */:
return emitExpressionStatement(node);
case 167 /* IfStatement */:
return emitIfStatement(node);
case 168 /* DoStatement */:
return emitDoStatement(node);
case 169 /* WhileStatement */:
return emitWhileStatement(node);
case 170 /* ForStatement */:
return emitForStatement(node);
case 171 /* ForInStatement */:
return emitForInStatement(node);
case 172 /* ContinueStatement */:
case 173 /* BreakStatement */:
return emitBreakOrContinueStatement(node);
case 174 /* ReturnStatement */:
return emitReturnStatement(node);
case 175 /* WithStatement */:
return emitWithStatement(node);
case 176 /* SwitchStatement */:
return emitSwitchStatement(node);
case 194 /* CaseClause */:
case 195 /* DefaultClause */:
return emitCaseOrDefaultClause(node);
case 177 /* LabeledStatement */:
return emitLabelledStatement(node);
case 178 /* ThrowStatement */:
return emitThrowStatement(node);
case 179 /* TryStatement */:
return emitTryStatement(node);
case 197 /* CatchClause */:
return emitCatchClause(node);
case 182 /* DebuggerStatement */:
return emitDebuggerStatement(node);
case 183 /* VariableDeclaration */:
return emitVariableDeclaration(node);
case 185 /* ClassDeclaration */:
return emitClassDeclaration(node);
case 186 /* InterfaceDeclaration */:
return emitInterfaceDeclaration(node);
case 188 /* EnumDeclaration */:
return emitEnumDeclaration(node);
case 189 /* ModuleDeclaration */:
return emitModuleDeclaration(node);
case 191 /* ImportDeclaration */:
return emitImportDeclaration(node);
case 201 /* SourceFile */:
return emitSourceFile(node);
}
if (compilerOptions.target < 2 /* ES6 */) {
switch (node.kind) {
case 199 /* ShorthandPropertyAssignment */:
return emitDownlevelShorthandPropertyAssignment(node);
case 125 /* Method */:
return emitDownlevelMethod(node);
}
}
else {
ts.Debug.assert(compilerOptions.target >= 2 /* ES6 */, "Invalid ScriptTarget. We should emit as ES6 or above");
switch (node.kind) {
case 199 /* ShorthandPropertyAssignment */:
return emitShorthandPropertyAssignment(node);
case 125 /* Method */:
return emitMethod(node);
}
}
}
function hasDetachedComments(pos) {
return detachedCommentsInfo !== undefined && detachedCommentsInfo[detachedCommentsInfo.length - 1].nodePos === pos;
}
function getLeadingCommentsWithoutDetachedComments() {
var leadingComments = ts.getLeadingCommentRanges(currentSourceFile.text, detachedCommentsInfo[detachedCommentsInfo.length - 1].detachedCommentEndPos);
if (detachedCommentsInfo.length - 1) {
detachedCommentsInfo.pop();
}
else {
detachedCommentsInfo = undefined;
}
return leadingComments;
}
function getLeadingCommentsToEmit(node) {
if (node.parent.kind === 201 /* SourceFile */ || node.pos !== node.parent.pos) {
var leadingComments;
if (hasDetachedComments(node.pos)) {
leadingComments = getLeadingCommentsWithoutDetachedComments();
}
else {
leadingComments = ts.getLeadingCommentRangesOfNode(node, currentSourceFile);
}
return leadingComments;
}
}
function emitLeadingDeclarationComments(node) {
var leadingComments = getLeadingCommentsToEmit(node);
emitNewLineBeforeLeadingComments(currentSourceFile, writer, node, leadingComments);
emitComments(currentSourceFile, writer, leadingComments, true, newLine, writeComment);
}
function emitTrailingDeclarationComments(node) {
if (node.parent.kind === 201 /* SourceFile */ || node.end !== node.parent.end) {
var trailingComments = ts.getTrailingCommentRanges(currentSourceFile.text, node.end);
emitComments(currentSourceFile, writer, trailingComments, false, newLine, writeComment);
}
}
function emitLeadingCommentsOfLocalPosition(pos) {
var leadingComments;
if (hasDetachedComments(pos)) {
leadingComments = getLeadingCommentsWithoutDetachedComments();
}
else {
leadingComments = ts.getLeadingCommentRanges(currentSourceFile.text, pos);
}
emitNewLineBeforeLeadingComments(currentSourceFile, writer, { pos: pos, end: pos }, leadingComments);
emitComments(currentSourceFile, writer, leadingComments, true, newLine, writeComment);
}
function emitDetachedCommentsAtPosition(node) {
var leadingComments = ts.getLeadingCommentRanges(currentSourceFile.text, node.pos);
if (leadingComments) {
var detachedComments = [];
var lastComment;
ts.forEach(leadingComments, function (comment) {
if (lastComment) {
var lastCommentLine = getLineOfLocalPosition(currentSourceFile, lastComment.end);
var commentLine = getLineOfLocalPosition(currentSourceFile, comment.pos);
if (commentLine >= lastCommentLine + 2) {
return detachedComments;
}
}
detachedComments.push(comment);
lastComment = comment;
});
if (detachedComments.length) {
var lastCommentLine = getLineOfLocalPosition(currentSourceFile, detachedComments[detachedComments.length - 1].end);
var astLine = getLineOfLocalPosition(currentSourceFile, ts.skipTrivia(currentSourceFile.text, node.pos));
if (astLine >= lastCommentLine + 2) {
emitNewLineBeforeLeadingComments(currentSourceFile, writer, node, leadingComments);
emitComments(currentSourceFile, writer, detachedComments, true, newLine, writeComment);
var currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: detachedComments[detachedComments.length - 1].end };
if (detachedCommentsInfo) {
detachedCommentsInfo.push(currentDetachedCommentInfo);
}
else {
detachedCommentsInfo = [currentDetachedCommentInfo];
}
}
}
}
}
function emitPinnedOrTripleSlashCommentsOfNode(node) {
var pinnedComments = ts.filter(getLeadingCommentsToEmit(node), isPinnedOrTripleSlashComment);
function isPinnedOrTripleSlashComment(comment) {
if (currentSourceFile.text.charCodeAt(comment.pos + 1) === 42 /* asterisk */) {
return currentSourceFile.text.charCodeAt(comment.pos + 2) === 33 /* exclamation */;
}
else if (currentSourceFile.text.charCodeAt(comment.pos + 1) === 47 /* slash */ && comment.pos + 2 < comment.end && currentSourceFile.text.charCodeAt(comment.pos + 2) === 47 /* slash */ && currentSourceFile.text.substring(comment.pos, comment.end).match(ts.fullTripleSlashReferencePathRegEx)) {
return true;
}
}
emitNewLineBeforeLeadingComments(currentSourceFile, writer, node, pinnedComments);
emitComments(currentSourceFile, writer, pinnedComments, true, newLine, writeComment);
}
if (compilerOptions.sourceMap) {
initializeEmitterWithSourceMaps();
}
if (root) {
emit(root);
}
else {
ts.forEach(program.getSourceFiles(), function (sourceFile) {
if (!isExternalModuleOrDeclarationFile(sourceFile)) {
emit(sourceFile);
}
});
}
writeLine();
writeEmittedFiles(writer.getText(), compilerOptions.emitBOM);
}
function writeDeclarationFile(jsFilePath, sourceFile) {
var emitDeclarationResult = emitDeclarations(program, resolver, diagnostics, jsFilePath, sourceFile);
if (!emitDeclarationResult.reportedDeclarationError) {
var declarationOutput = emitDeclarationResult.referencePathsOutput;
var appliedSyncOutputPos = 0;
ts.forEach(emitDeclarationResult.aliasDeclarationEmitInfo, function (aliasEmitInfo) {
if (aliasEmitInfo.asynchronousOutput) {
declarationOutput += emitDeclarationResult.synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos);
declarationOutput += aliasEmitInfo.asynchronousOutput;
appliedSyncOutputPos = aliasEmitInfo.outputPos;
}
});
declarationOutput += emitDeclarationResult.synchronousDeclarationOutput.substring(appliedSyncOutputPos);
writeFile(compilerHost, diagnostics, ts.removeFileExtension(jsFilePath) + ".d.ts", declarationOutput, compilerOptions.emitBOM);
}
}
var hasSemanticErrors = false;
var isEmitBlocked = false;
if (targetSourceFile === undefined) {
hasSemanticErrors = resolver.hasSemanticErrors();
isEmitBlocked = resolver.isEmitBlocked();
ts.forEach(program.getSourceFiles(), function (sourceFile) {
if (shouldEmitToOwnFile(sourceFile, compilerOptions)) {
var jsFilePath = getOwnEmitOutputFilePath(sourceFile, program, ".js");
emitFile(jsFilePath, sourceFile);
}
});
if (compilerOptions.out) {
emitFile(compilerOptions.out);
}
}
else {
if (shouldEmitToOwnFile(targetSourceFile, compilerOptions)) {
hasSemanticErrors = resolver.hasSemanticErrors(targetSourceFile);
isEmitBlocked = resolver.isEmitBlocked(targetSourceFile);
var jsFilePath = getOwnEmitOutputFilePath(targetSourceFile, program, ".js");
emitFile(jsFilePath, targetSourceFile);
}
else if (!ts.isDeclarationFile(targetSourceFile) && compilerOptions.out) {
ts.forEach(program.getSourceFiles(), function (sourceFile) {
if (!shouldEmitToOwnFile(sourceFile, compilerOptions)) {
hasSemanticErrors = hasSemanticErrors || resolver.hasSemanticErrors(sourceFile);
isEmitBlocked = isEmitBlocked || resolver.isEmitBlocked(sourceFile);
}
});
emitFile(compilerOptions.out);
}
}
function emitFile(jsFilePath, sourceFile) {
if (!isEmitBlocked) {
emitJavaScript(jsFilePath, sourceFile);
if (!hasSemanticErrors && compilerOptions.declaration) {
writeDeclarationFile(jsFilePath, sourceFile);
}
}
}
diagnostics.sort(ts.compareDiagnostics);
diagnostics = ts.deduplicateSortedDiagnostics(diagnostics);
var hasEmitterError = ts.forEach(diagnostics, function (diagnostic) { return diagnostic.category === 1 /* Error */; });
var emitResultStatus;
if (isEmitBlocked) {
emitResultStatus = 1 /* AllOutputGenerationSkipped */;
}
else if (hasEmitterError) {
emitResultStatus = 4 /* EmitErrorsEncountered */;
}
else if (hasSemanticErrors && compilerOptions.declaration) {
emitResultStatus = 3 /* DeclarationGenerationSkipped */;
}
else if (hasSemanticErrors && !compilerOptions.declaration) {
emitResultStatus = 2 /* JSGeneratedWithSemanticErrors */;
}
else {
emitResultStatus = 0 /* Succeeded */;
}
return {
emitResultStatus: emitResultStatus,
diagnostics: diagnostics,
sourceMaps: sourceMapDataList
};
}
ts.emitFiles = emitFiles;
})(ts || (ts = {}));
var ts;
(function (ts) {
var nextSymbolId = 1;
var nextNodeId = 1;
var nextMergeId = 1;
function createTypeChecker(program, fullTypeCheck) {
var Symbol = ts.objectAllocator.getSymbolConstructor();
var Type = ts.objectAllocator.getTypeConstructor();
var Signature = ts.objectAllocator.getSignatureConstructor();
var typeCount = 0;
var emptyArray = [];
var emptySymbols = {};
var compilerOptions = program.getCompilerOptions();
var checker = {
getProgram: function () { return program; },
getNodeCount: function () { return ts.sum(program.getSourceFiles(), "nodeCount"); },
getIdentifierCount: function () { return ts.sum(program.getSourceFiles(), "identifierCount"); },
getSymbolCount: function () { return ts.sum(program.getSourceFiles(), "symbolCount"); },
getTypeCount: function () { return typeCount; },
isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; },
isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; },
emitFiles: invokeEmitter,
getDiagnostics: getDiagnostics,
getDeclarationDiagnostics: getDeclarationDiagnostics,
getGlobalDiagnostics: getGlobalDiagnostics,
getTypeOfSymbolAtLocation: getTypeOfSymbolAtLocation,
getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol,
getPropertiesOfType: getPropertiesOfType,
getPropertyOfType: getPropertyOfType,
getSignaturesOfType: getSignaturesOfType,
getIndexTypeOfType: getIndexTypeOfType,
getReturnTypeOfSignature: getReturnTypeOfSignature,
getSymbolsInScope: getSymbolsInScope,
getSymbolAtLocation: getSymbolAtLocation,
getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol,
getTypeAtLocation: getTypeAtLocation,
typeToString: typeToString,
getSymbolDisplayBuilder: getSymbolDisplayBuilder,
symbolToString: symbolToString,
getAugmentedPropertiesOfType: getAugmentedPropertiesOfType,
getRootSymbols: getRootSymbols,
getContextualType: getContextualType,
getFullyQualifiedName: getFullyQualifiedName,
getResolvedSignature: getResolvedSignature,
getEnumMemberValue: getEnumMemberValue,
isValidPropertyAccess: isValidPropertyAccess,
getSignatureFromDeclaration: getSignatureFromDeclaration,
isImplementationOfOverload: isImplementationOfOverload,
getAliasedSymbol: resolveImport,
hasEarlyErrors: hasEarlyErrors,
isEmitBlocked: isEmitBlocked
};
var undefinedSymbol = createSymbol(4 /* Property */ | 268435456 /* Transient */, "undefined");
var argumentsSymbol = createSymbol(4 /* Property */ | 268435456 /* Transient */, "arguments");
var unknownSymbol = createSymbol(4 /* Property */ | 268435456 /* Transient */, "unknown");
var resolvingSymbol = createSymbol(268435456 /* Transient */, "__resolving__");
var anyType = createIntrinsicType(1 /* Any */, "any");
var stringType = createIntrinsicType(2 /* String */, "string");
var numberType = createIntrinsicType(4 /* Number */, "number");
var booleanType = createIntrinsicType(8 /* Boolean */, "boolean");
var voidType = createIntrinsicType(16 /* Void */, "void");
var undefinedType = createIntrinsicType(32 /* Undefined */, "undefined");
var nullType = createIntrinsicType(64 /* Null */, "null");
var unknownType = createIntrinsicType(1 /* Any */, "unknown");
var resolvingType = createIntrinsicType(1 /* Any */, "__resolving__");
var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
var inferenceFailureType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined);
var anySignature = createSignature(undefined, undefined, emptyArray, anyType, 0, false, false);
var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, 0, false, false);
var globals = {};
var globalArraySymbol;
var globalObjectType;
var globalFunctionType;
var globalArrayType;
var globalStringType;
var globalNumberType;
var globalBooleanType;
var globalRegExpType;
var globalTemplateStringsArrayType;
var tupleTypes = {};
var unionTypes = {};
var stringLiteralTypes = {};
var emitExtends = false;
var mergedSymbols = [];
var symbolLinks = [];
var nodeLinks = [];
var potentialThisCollisions = [];
var diagnostics = [];
var diagnosticsModified = false;
function addDiagnostic(diagnostic) {
diagnostics.push(diagnostic);
diagnosticsModified = true;
}
function error(location, message, arg0, arg1, arg2) {
var diagnostic = location ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) : ts.createCompilerDiagnostic(message, arg0, arg1, arg2);
addDiagnostic(diagnostic);
}
function createSymbol(flags, name) {
return new Symbol(flags, name);
}
function getExcludedSymbolFlags(flags) {
var result = 0;
if (flags & 2 /* BlockScopedVariable */)
result |= 107455 /* BlockScopedVariableExcludes */;
if (flags & 1 /* FunctionScopedVariable */)
result |= 107454 /* FunctionScopedVariableExcludes */;
if (flags & 4 /* Property */)
result |= 107455 /* PropertyExcludes */;
if (flags & 8 /* EnumMember */)
result |= 107455 /* EnumMemberExcludes */;
if (flags & 16 /* Function */)
result |= 106927 /* FunctionExcludes */;
if (flags & 32 /* Class */)
result |= 3258879 /* ClassExcludes */;
if (flags & 64 /* Interface */)
result |= 3152288 /* InterfaceExcludes */;
if (flags & 256 /* RegularEnum */)
result |= 3258623 /* RegularEnumExcludes */;
if (flags & 128 /* ConstEnum */)
result |= 3259263 /* ConstEnumExcludes */;
if (flags & 512 /* ValueModule */)
result |= 106639 /* ValueModuleExcludes */;
if (flags & 8192 /* Method */)
result |= 99263 /* MethodExcludes */;
if (flags & 32768 /* GetAccessor */)
result |= 41919 /* GetAccessorExcludes */;
if (flags & 65536 /* SetAccessor */)
result |= 74687 /* SetAccessorExcludes */;
if (flags & 1048576 /* TypeParameter */)
result |= 2103776 /* TypeParameterExcludes */;
if (flags & 2097152 /* TypeAlias */)
result |= 3152352 /* TypeAliasExcludes */;
if (flags & 33554432 /* Import */)
result |= 33554432 /* ImportExcludes */;
return result;
}
function recordMergedSymbol(target, source) {
if (!source.mergeId)
source.mergeId = nextMergeId++;
mergedSymbols[source.mergeId] = target;
}
function cloneSymbol(symbol) {
var result = createSymbol(symbol.flags | 134217728 /* Merged */, symbol.name);
result.declarations = symbol.declarations.slice(0);
result.parent = symbol.parent;
if (symbol.valueDeclaration)
result.valueDeclaration = symbol.valueDeclaration;
if (symbol.constEnumOnlyModule)
result.constEnumOnlyModule = true;
if (symbol.members)
result.members = cloneSymbolTable(symbol.members);
if (symbol.exports)
result.exports = cloneSymbolTable(symbol.exports);
recordMergedSymbol(result, symbol);
return result;
}
function extendSymbol(target, source) {
if (!(target.flags & getExcludedSymbolFlags(source.flags))) {
if (source.flags & 512 /* ValueModule */ && target.flags & 512 /* ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) {
target.constEnumOnlyModule = false;
}
target.flags |= source.flags;
if (!target.valueDeclaration && source.valueDeclaration)
target.valueDeclaration = source.valueDeclaration;
ts.forEach(source.declarations, function (node) {
target.declarations.push(node);
});
if (source.members) {
if (!target.members)
target.members = {};
extendSymbolTable(target.members, source.members);
}
if (source.exports) {
if (!target.exports)
target.exports = {};
extendSymbolTable(target.exports, source.exports);
}
recordMergedSymbol(target, source);
}
else {
var message = target.flags & 2 /* BlockScopedVariable */ || source.flags & 2 /* BlockScopedVariable */ ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0;
ts.forEach(source.declarations, function (node) {
error(node.name ? node.name : node, message, symbolToString(source));
});
ts.forEach(target.declarations, function (node) {
error(node.name ? node.name : node, message, symbolToString(source));
});
}
}
function cloneSymbolTable(symbolTable) {
var result = {};
for (var id in symbolTable) {
if (ts.hasProperty(symbolTable, id)) {
result[id] = symbolTable[id];
}
}
return result;
}
function extendSymbolTable(target, source) {
for (var id in source) {
if (ts.hasProperty(source, id)) {
if (!ts.hasProperty(target, id)) {
target[id] = source[id];
}
else {
var symbol = target[id];
if (!(symbol.flags & 134217728 /* Merged */)) {
target[id] = symbol = cloneSymbol(symbol);
}
extendSymbol(symbol, source[id]);
}
}
}
}
function getSymbolLinks(symbol) {
if (symbol.flags & 268435456 /* Transient */)
return symbol;
if (!symbol.id)
symbol.id = nextSymbolId++;
return symbolLinks[symbol.id] || (symbolLinks[symbol.id] = {});
}
function getNodeLinks(node) {
if (!node.id)
node.id = nextNodeId++;
return nodeLinks[node.id] || (nodeLinks[node.id] = {});
}
function getSourceFile(node) {
return ts.getAncestor(node, 201 /* SourceFile */);
}
function isGlobalSourceFile(node) {
return node.kind === 201 /* SourceFile */ && !ts.isExternalModule(node);
}
function getSymbol(symbols, name, meaning) {
if (meaning && ts.hasProperty(symbols, name)) {
var symbol = symbols[name];
ts.Debug.assert((symbol.flags & 67108864 /* Instantiated */) === 0, "Should never get an instantiated symbol here.");
if (symbol.flags & meaning) {
return symbol;
}
if (symbol.flags & 33554432 /* Import */) {
var target = resolveImport(symbol);
if (target === unknownSymbol || target.flags & meaning) {
return symbol;
}
}
}
}
function isDefinedBefore(node1, node2) {
var file1 = ts.getSourceFileOfNode(node1);
var file2 = ts.getSourceFileOfNode(node2);
if (file1 === file2) {
return node1.pos <= node2.pos;
}
if (!compilerOptions.out) {
return true;
}
var sourceFiles = program.getSourceFiles();
return sourceFiles.indexOf(file1) <= sourceFiles.indexOf(file2);
}
function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) {
var result;
var lastLocation;
var propertyWithInvalidInitializer;
var errorLocation = location;
loop: while (location) {
if (location.locals && !isGlobalSourceFile(location)) {
if (result = getSymbol(location.locals, name, meaning)) {
break loop;
}
}
switch (location.kind) {
case 201 /* SourceFile */:
if (!ts.isExternalModule(location))
break;
case 189 /* ModuleDeclaration */:
if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 35653619 /* ModuleMember */)) {
break loop;
}
break;
case 188 /* EnumDeclaration */:
if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8 /* EnumMember */)) {
break loop;
}
break;
case 124 /* Property */:
if (location.parent.kind === 185 /* ClassDeclaration */ && !(location.flags & 128 /* Static */)) {
var ctor = findConstructorDeclaration(location.parent);
if (ctor && ctor.locals) {
if (getSymbol(ctor.locals, name, meaning & 107455 /* Value */)) {
propertyWithInvalidInitializer = location;
}
}
}
break;
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 3152352 /* Type */)) {
if (lastLocation && lastLocation.flags & 128 /* Static */) {
error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters);
return undefined;
}
break loop;
}
break;
case 125 /* Method */:
case 126 /* Constructor */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 184 /* FunctionDeclaration */:
case 151 /* ArrowFunction */:
if (name === "arguments") {
result = argumentsSymbol;
break loop;
}
break;
case 150 /* FunctionExpression */:
if (name === "arguments") {
result = argumentsSymbol;
break loop;
}
var id = location.name;
if (id && name === id.text) {
result = location.symbol;
break loop;
}
break;
case 197 /* CatchClause */:
var id = location.name;
if (name === id.text) {
result = location.symbol;
break loop;
}
break;
}
lastLocation = location;
location = location.parent;
}
if (!result) {
result = getSymbol(globals, name, meaning);
}
if (!result) {
if (nameNotFoundMessage) {
error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
}
return undefined;
}
if (nameNotFoundMessage) {
if (propertyWithInvalidInitializer) {
var propertyName = propertyWithInvalidInitializer.name;
error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg));
return undefined;
}
if (result.flags & 2 /* BlockScopedVariable */) {
var declaration = ts.forEach(result.declarations, function (d) { return d.flags & 6144 /* BlockScoped */ ? d : undefined; });
ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined");
if (!isDefinedBefore(declaration, errorLocation)) {
error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name));
}
}
}
return result;
}
function resolveImport(symbol) {
ts.Debug.assert((symbol.flags & 33554432 /* Import */) !== 0, "Should only get Imports here.");
var links = getSymbolLinks(symbol);
if (!links.target) {
links.target = resolvingSymbol;
var node = ts.getDeclarationOfKind(symbol, 191 /* ImportDeclaration */);
var target = node.moduleReference.kind === 193 /* ExternalModuleReference */ ? resolveExternalModuleName(node, ts.getExternalModuleImportDeclarationExpression(node)) : getSymbolOfPartOfRightHandSideOfImport(node.moduleReference, node);
if (links.target === resolvingSymbol) {
links.target = target || unknownSymbol;
}
else {
error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol));
}
}
else if (links.target === resolvingSymbol) {
links.target = unknownSymbol;
}
return links.target;
}
function getSymbolOfPartOfRightHandSideOfImport(entityName, importDeclaration) {
if (!importDeclaration) {
importDeclaration = ts.getAncestor(entityName, 191 /* ImportDeclaration */);
ts.Debug.assert(importDeclaration !== undefined);
}
if (entityName.kind === 63 /* Identifier */ && isRightSideOfQualifiedNameOrPropertyAccess(entityName)) {
entityName = entityName.parent;
}
if (entityName.kind === 63 /* Identifier */ || entityName.parent.kind === 120 /* QualifiedName */) {
return resolveEntityName(importDeclaration, entityName, 1536 /* Namespace */);
}
else {
ts.Debug.assert(entityName.parent.kind === 191 /* ImportDeclaration */);
return resolveEntityName(importDeclaration, entityName, 107455 /* Value */ | 3152352 /* Type */ | 1536 /* Namespace */);
}
}
function getFullyQualifiedName(symbol) {
return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol);
}
function resolveEntityName(location, name, meaning) {
if (ts.getFullWidth(name) === 0) {
return undefined;
}
if (name.kind === 63 /* Identifier */) {
var symbol = resolveName(location, name.text, meaning, ts.Diagnostics.Cannot_find_name_0, name);
if (!symbol) {
return;
}
}
else if (name.kind === 120 /* QualifiedName */) {
var namespace = resolveEntityName(location, name.left, 1536 /* Namespace */);
if (!namespace || namespace === unknownSymbol || ts.getFullWidth(name.right) === 0)
return;
var symbol = getSymbol(namespace.exports, name.right.text, meaning);
if (!symbol) {
error(location, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(name.right));
return;
}
}
ts.Debug.assert((symbol.flags & 67108864 /* Instantiated */) === 0, "Should never get an instantiated symbol here.");
return symbol.flags & meaning ? symbol : resolveImport(symbol);
}
function isExternalModuleNameRelative(moduleName) {
return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\";
}
function resolveExternalModuleName(location, moduleReferenceExpression) {
if (moduleReferenceExpression.kind !== 7 /* StringLiteral */) {
return;
}
var moduleReferenceLiteral = moduleReferenceExpression;
var searchPath = ts.getDirectoryPath(getSourceFile(location).filename);
var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text);
if (!moduleName)
return;
var isRelative = isExternalModuleNameRelative(moduleName);
if (!isRelative) {
var symbol = getSymbol(globals, '"' + moduleName + '"', 512 /* ValueModule */);
if (symbol) {
return getResolvedExportSymbol(symbol);
}
}
while (true) {
var filename = ts.normalizePath(ts.combinePaths(searchPath, moduleName));
var sourceFile = program.getSourceFile(filename + ".ts") || program.getSourceFile(filename + ".d.ts");
if (sourceFile || isRelative)
break;
var parentPath = ts.getDirectoryPath(searchPath);
if (parentPath === searchPath)
break;
searchPath = parentPath;
}
if (sourceFile) {
if (sourceFile.symbol) {
return getResolvedExportSymbol(sourceFile.symbol);
}
error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_an_external_module, sourceFile.filename);
return;
}
error(moduleReferenceLiteral, ts.Diagnostics.Cannot_find_external_module_0, moduleName);
}
function getResolvedExportSymbol(moduleSymbol) {
var symbol = getExportAssignmentSymbol(moduleSymbol);
if (symbol) {
if (symbol.flags & (107455 /* Value */ | 3152352 /* Type */ | 1536 /* Namespace */)) {
return symbol;
}
if (symbol.flags & 33554432 /* Import */) {
return resolveImport(symbol);
}
}
return moduleSymbol;
}
function getExportAssignmentSymbol(symbol) {
checkTypeOfExportAssignmentSymbol(symbol);
var symbolLinks = getSymbolLinks(symbol);
return symbolLinks.exportAssignSymbol === unknownSymbol ? undefined : symbolLinks.exportAssignSymbol;
}
function checkTypeOfExportAssignmentSymbol(containerSymbol) {
var symbolLinks = getSymbolLinks(containerSymbol);
if (!symbolLinks.exportAssignSymbol) {
var exportInformation = collectExportInformationForSourceFileOrModule(containerSymbol);
if (exportInformation.exportAssignments.length) {
if (exportInformation.exportAssignments.length > 1) {
ts.forEach(exportInformation.exportAssignments, function (node) { return error(node, ts.Diagnostics.A_module_cannot_have_more_than_one_export_assignment); });
}
var node = exportInformation.exportAssignments[0];
if (exportInformation.hasExportedMember) {
error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements);
}
if (node.exportName.text) {
var meaning = 107455 /* Value */ | 3152352 /* Type */ | 1536 /* Namespace */;
var exportSymbol = resolveName(node, node.exportName.text, meaning, ts.Diagnostics.Cannot_find_name_0, node.exportName);
}
}
symbolLinks.exportAssignSymbol = exportSymbol || unknownSymbol;
}
}
function collectExportInformationForSourceFileOrModule(symbol) {
var seenExportedMember = false;
var result = [];
ts.forEach(symbol.declarations, function (declaration) {
var block = (declaration.kind === 201 /* SourceFile */ ? declaration : declaration.body);
ts.forEach(block.statements, function (node) {
if (node.kind === 192 /* ExportAssignment */) {
result.push(node);
}
else {
seenExportedMember = seenExportedMember || (node.flags & 1 /* Export */) !== 0;
}
});
});
return {
hasExportedMember: seenExportedMember,
exportAssignments: result
};
}
function getMergedSymbol(symbol) {
var merged;
return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol;
}
function getSymbolOfNode(node) {
return getMergedSymbol(node.symbol);
}
function getParentOfSymbol(symbol) {
return getMergedSymbol(symbol.parent);
}
function getExportSymbolOfValueSymbolIfExported(symbol) {
return symbol && (symbol.flags & 4194304 /* ExportValue */) !== 0 ? getMergedSymbol(symbol.exportSymbol) : symbol;
}
function symbolIsValue(symbol) {
if (symbol.flags & 67108864 /* Instantiated */) {
return symbolIsValue(getSymbolLinks(symbol).target);
}
if (symbol.flags & 107455 /* Value */) {
return true;
}
if (symbol.flags & 33554432 /* Import */) {
return (resolveImport(symbol).flags & 107455 /* Value */) !== 0;
}
return false;
}
function findConstructorDeclaration(node) {
var members = node.members;
for (var i = 0; i < members.length; i++) {
var member = members[i];
if (member.kind === 126 /* Constructor */ && member.body) {
return member;
}
}
}
function createType(flags) {
var result = new Type(checker, flags);
result.id = typeCount++;
return result;
}
function createIntrinsicType(kind, intrinsicName) {
var type = createType(kind);
type.intrinsicName = intrinsicName;
return type;
}
function createObjectType(kind, symbol) {
var type = createType(kind);
type.symbol = symbol;
return type;
}
function isReservedMemberName(name) {
return name.charCodeAt(0) === 95 /* _ */ && name.charCodeAt(1) === 95 /* _ */ && name.charCodeAt(2) !== 95 /* _ */;
}
function getNamedMembers(members) {
var result;
for (var id in members) {
if (ts.hasProperty(members, id)) {
if (!isReservedMemberName(id)) {
if (!result)
result = [];
var symbol = members[id];
if (symbolIsValue(symbol)) {
result.push(symbol);
}
}
}
}
return result || emptyArray;
}
function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) {
type.members = members;
type.properties = getNamedMembers(members);
type.callSignatures = callSignatures;
type.constructSignatures = constructSignatures;
if (stringIndexType)
type.stringIndexType = stringIndexType;
if (numberIndexType)
type.numberIndexType = numberIndexType;
return type;
}
function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) {
return setObjectTypeMembers(createObjectType(32768 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function isOptionalProperty(propertySymbol) {
return propertySymbol.valueDeclaration && ts.hasQuestionToken(propertySymbol.valueDeclaration) && propertySymbol.valueDeclaration.kind !== 123 /* Parameter */;
}
function forEachSymbolTableInScope(enclosingDeclaration, callback) {
var result;
for (var location = enclosingDeclaration; location; location = location.parent) {
if (location.locals && !isGlobalSourceFile(location)) {
if (result = callback(location.locals)) {
return result;
}
}
switch (location.kind) {
case 201 /* SourceFile */:
if (!ts.isExternalModule(location)) {
break;
}
case 189 /* ModuleDeclaration */:
if (result = callback(getSymbolOfNode(location).exports)) {
return result;
}
break;
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
if (result = callback(getSymbolOfNode(location).members)) {
return result;
}
break;
}
}
return callback(globals);
}
function getQualifiedLeftMeaning(rightMeaning) {
return rightMeaning === 107455 /* Value */ ? 107455 /* Value */ : 1536 /* Namespace */;
}
function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) {
function getAccessibleSymbolChainFromSymbolTable(symbols) {
function canQualifySymbol(symbolFromSymbolTable, meaning) {
if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) {
return true;
}
var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing);
return !!accessibleParent;
}
function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) {
if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) {
return !ts.forEach(symbolFromSymbolTable.declarations, function (declaration) { return hasExternalModuleSymbol(declaration); }) && canQualifySymbol(symbolFromSymbolTable, meaning);
}
}
if (isAccessible(ts.lookUp(symbols, symbol.name))) {
return [symbol];
}
return ts.forEachValue(symbols, function (symbolFromSymbolTable) {
if (symbolFromSymbolTable.flags & 33554432 /* Import */) {
if (!useOnlyExternalAliasing || ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportDeclaration)) {
var resolvedImportedSymbol = resolveImport(symbolFromSymbolTable);
if (isAccessible(symbolFromSymbolTable, resolveImport(symbolFromSymbolTable))) {
return [symbolFromSymbolTable];
}
var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined;
if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) {
return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports);
}
}
}
});
}
if (symbol) {
return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable);
}
}
function needsQualification(symbol, enclosingDeclaration, meaning) {
var qualify = false;
forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) {
if (!ts.hasProperty(symbolTable, symbol.name)) {
return false;
}
var symbolFromSymbolTable = symbolTable[symbol.name];
if (symbolFromSymbolTable === symbol) {
return true;
}
symbolFromSymbolTable = (symbolFromSymbolTable.flags & 33554432 /* Import */) ? resolveImport(symbolFromSymbolTable) : symbolFromSymbolTable;
if (symbolFromSymbolTable.flags & meaning) {
qualify = true;
return true;
}
return false;
});
return qualify;
}
function isSymbolAccessible(symbol, enclosingDeclaration, meaning) {
if (symbol && enclosingDeclaration && !(symbol.flags & 1048576 /* TypeParameter */)) {
var initialSymbol = symbol;
var meaningToLook = meaning;
while (symbol) {
var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, false);
if (accessibleSymbolChain) {
var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]);
if (!hasAccessibleDeclarations) {
return {
accessibility: 1 /* NotAccessible */,
errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning),
errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536 /* Namespace */) : undefined
};
}
return hasAccessibleDeclarations;
}
meaningToLook = getQualifiedLeftMeaning(meaning);
symbol = getParentOfSymbol(symbol);
}
var symbolExternalModule = ts.forEach(initialSymbol.declarations, function (declaration) { return getExternalModuleContainer(declaration); });
if (symbolExternalModule) {
var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration);
if (symbolExternalModule !== enclosingExternalModule) {
return {
accessibility: 2 /* CannotBeNamed */,
errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning),
errorModuleName: symbolToString(symbolExternalModule)
};
}
}
return {
accessibility: 1 /* NotAccessible */,
errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning)
};
}
return { accessibility: 0 /* Accessible */ };
function getExternalModuleContainer(declaration) {
for (; declaration; declaration = declaration.parent) {
if (hasExternalModuleSymbol(declaration)) {
return getSymbolOfNode(declaration);
}
}
}
}
function hasExternalModuleSymbol(declaration) {
return (declaration.kind === 189 /* ModuleDeclaration */ && declaration.name.kind === 7 /* StringLiteral */) || (declaration.kind === 201 /* SourceFile */ && ts.isExternalModule(declaration));
}
function hasVisibleDeclarations(symbol) {
var aliasesToMakeVisible;
if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) {
return undefined;
}
return { accessibility: 0 /* Accessible */, aliasesToMakeVisible: aliasesToMakeVisible };
function getIsDeclarationVisible(declaration) {
if (!isDeclarationVisible(declaration)) {
if (declaration.kind === 191 /* ImportDeclaration */ && !(declaration.flags & 1 /* Export */) && isDeclarationVisible(declaration.parent)) {
getNodeLinks(declaration).isVisible = true;
if (aliasesToMakeVisible) {
if (!ts.contains(aliasesToMakeVisible, declaration)) {
aliasesToMakeVisible.push(declaration);
}
}
else {
aliasesToMakeVisible = [declaration];
}
return true;
}
return false;
}
return true;
}
}
function isEntityNameVisible(entityName, enclosingDeclaration) {
var meaning;
if (entityName.parent.kind === 135 /* TypeQuery */) {
meaning = 107455 /* Value */ | 4194304 /* ExportValue */;
}
else if (entityName.kind === 120 /* QualifiedName */ || entityName.parent.kind === 191 /* ImportDeclaration */) {
meaning = 1536 /* Namespace */;
}
else {
meaning = 3152352 /* Type */;
}
var firstIdentifier = getFirstIdentifier(entityName);
var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined);
return (symbol && hasVisibleDeclarations(symbol)) || {
accessibility: 1 /* NotAccessible */,
errorSymbolName: ts.getTextOfNode(firstIdentifier),
errorNode: firstIdentifier
};
}
function writeKeyword(writer, kind) {
writer.writeKeyword(ts.tokenToString(kind));
}
function writePunctuation(writer, kind) {
writer.writePunctuation(ts.tokenToString(kind));
}
function writeSpace(writer) {
writer.writeSpace(" ");
}
function symbolToString(symbol, enclosingDeclaration, meaning) {
var writer = ts.getSingleLineStringWriter();
getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning);
var result = writer.string();
ts.releaseStringWriter(writer);
return result;
}
function typeToString(type, enclosingDeclaration, flags) {
var writer = ts.getSingleLineStringWriter();
getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags);
var result = writer.string();
ts.releaseStringWriter(writer);
var maxLength = compilerOptions.noErrorTruncation || flags & 4 /* NoTruncation */ ? undefined : 100;
if (maxLength && result.length >= maxLength) {
result = result.substr(0, maxLength - "...".length) + "...";
}
return result;
}
function getTypeAliasForTypeLiteral(type) {
if (type.symbol && type.symbol.flags & 2048 /* TypeLiteral */) {
var node = type.symbol.declarations[0].parent;
while (node.kind === 140 /* ParenthesizedType */) {
node = node.parent;
}
if (node.kind === 187 /* TypeAliasDeclaration */) {
return getSymbolOfNode(node);
}
}
return undefined;
}
var _displayBuilder;
function getSymbolDisplayBuilder() {
function appendSymbolNameOnly(symbol, writer) {
if (symbol.declarations && symbol.declarations.length > 0) {
var declaration = symbol.declarations[0];
if (declaration.name) {
writer.writeSymbol(ts.declarationNameToString(declaration.name), symbol);
return;
}
}
writer.writeSymbol(symbol.name, symbol);
}
function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags) {
var parentSymbol;
function appendParentTypeArgumentsAndSymbolName(symbol) {
if (parentSymbol) {
if (flags & 1 /* WriteTypeParametersOrArguments */) {
if (symbol.flags & 67108864 /* Instantiated */) {
buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration);
}
else {
buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration);
}
}
writePunctuation(writer, 19 /* DotToken */);
}
parentSymbol = symbol;
appendSymbolNameOnly(symbol, writer);
}
writer.trackSymbol(symbol, enclosingDeclaration, meaning);
function walkSymbol(symbol, meaning) {
if (symbol) {
var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2 /* UseOnlyExternalAliasing */));
if (!accessibleSymbolChain || needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) {
walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning));
}
if (accessibleSymbolChain) {
for (var i = 0, n = accessibleSymbolChain.length; i < n; i++) {
appendParentTypeArgumentsAndSymbolName(accessibleSymbolChain[i]);
}
}
else {
if (!parentSymbol && ts.forEach(symbol.declarations, function (declaration) { return hasExternalModuleSymbol(declaration); })) {
return;
}
if (symbol.flags & 2048 /* TypeLiteral */ || symbol.flags & 4096 /* ObjectLiteral */) {
return;
}
appendParentTypeArgumentsAndSymbolName(symbol);
}
}
}
if (enclosingDeclaration && !(symbol.flags & 1048576 /* TypeParameter */)) {
walkSymbol(symbol, meaning);
return;
}
return appendParentTypeArgumentsAndSymbolName(symbol);
}
function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, typeStack) {
var globalFlagsToPass = globalFlags & 16 /* WriteOwnNameForAnyLike */;
return writeType(type, globalFlags);
function writeType(type, flags) {
if (type.flags & 127 /* Intrinsic */) {
writer.writeKeyword(!(globalFlags & 16 /* WriteOwnNameForAnyLike */) && (type.flags & 1 /* Any */) ? "any" : type.intrinsicName);
}
else if (type.flags & 4096 /* Reference */) {
writeTypeReference(type, flags);
}
else if (type.flags & (1024 /* Class */ | 2048 /* Interface */ | 128 /* Enum */ | 512 /* TypeParameter */)) {
buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 3152352 /* Type */);
}
else if (type.flags & 8192 /* Tuple */) {
writeTupleType(type);
}
else if (type.flags & 16384 /* Union */) {
writeUnionType(type, flags);
}
else if (type.flags & 32768 /* Anonymous */) {
writeAnonymousType(type, flags);
}
else if (type.flags & 256 /* StringLiteral */) {
writer.writeStringLiteral(type.text);
}
else {
writePunctuation(writer, 13 /* OpenBraceToken */);
writeSpace(writer);
writePunctuation(writer, 20 /* DotDotDotToken */);
writeSpace(writer);
writePunctuation(writer, 14 /* CloseBraceToken */);
}
}
function writeTypeList(types, union) {
for (var i = 0; i < types.length; i++) {
if (i > 0) {
if (union) {
writeSpace(writer);
}
writePunctuation(writer, union ? 43 /* BarToken */ : 22 /* CommaToken */);
writeSpace(writer);
}
writeType(types[i], union ? 64 /* InElementType */ : 0 /* None */);
}
}
function writeTypeReference(type, flags) {
if (type.target === globalArrayType && !(flags & 1 /* WriteArrayAsGenericType */)) {
writeType(type.typeArguments[0], 64 /* InElementType */);
writePunctuation(writer, 17 /* OpenBracketToken */);
writePunctuation(writer, 18 /* CloseBracketToken */);
}
else {
buildSymbolDisplay(type.target.symbol, writer, enclosingDeclaration, 3152352 /* Type */);
writePunctuation(writer, 23 /* LessThanToken */);
writeTypeList(type.typeArguments, false);
writePunctuation(writer, 24 /* GreaterThanToken */);
}
}
function writeTupleType(type) {
writePunctuation(writer, 17 /* OpenBracketToken */);
writeTypeList(type.elementTypes, false);
writePunctuation(writer, 18 /* CloseBracketToken */);
}
function writeUnionType(type, flags) {
if (flags & 64 /* InElementType */) {
writePunctuation(writer, 15 /* OpenParenToken */);
}
writeTypeList(type.types, true);
if (flags & 64 /* InElementType */) {
writePunctuation(writer, 16 /* CloseParenToken */);
}
}
function writeAnonymousType(type, flags) {
if (type.symbol && type.symbol.flags & (32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) {
writeTypeofSymbol(type);
}
else if (shouldWriteTypeOfFunctionSymbol()) {
writeTypeofSymbol(type);
}
else if (typeStack && ts.contains(typeStack, type)) {
var typeAlias = getTypeAliasForTypeLiteral(type);
if (typeAlias) {
buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 3152352 /* Type */);
}
else {
writeKeyword(writer, 109 /* AnyKeyword */);
}
}
else {
if (!typeStack) {
typeStack = [];
}
typeStack.push(type);
writeLiteralType(type, flags);
typeStack.pop();
}
function shouldWriteTypeOfFunctionSymbol() {
if (type.symbol) {
var isStaticMethodSymbol = !!(type.symbol.flags & 8192 /* Method */ && ts.forEach(type.symbol.declarations, function (declaration) { return declaration.flags & 128 /* Static */; }));
var isNonLocalFunctionSymbol = !!(type.symbol.flags & 16 /* Function */) && (type.symbol.parent || ts.forEach(type.symbol.declarations, function (declaration) { return declaration.parent.kind === 201 /* SourceFile */ || declaration.parent.kind === 190 /* ModuleBlock */; }));
if (isStaticMethodSymbol || isNonLocalFunctionSymbol) {
return !!(flags & 2 /* UseTypeOfFunction */) || (typeStack && ts.contains(typeStack, type));
}
}
}
}
function writeTypeofSymbol(type) {
writeKeyword(writer, 95 /* TypeOfKeyword */);
writeSpace(writer);
buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455 /* Value */);
}
function getIndexerParameterName(type, indexKind, fallbackName) {
var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind);
if (!declaration) {
return fallbackName;
}
ts.Debug.assert(declaration.parameters.length !== 0);
return ts.declarationNameToString(declaration.parameters[0].name);
}
function writeLiteralType(type, flags) {
var resolved = resolveObjectOrUnionTypeMembers(type);
if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) {
if (!resolved.callSignatures.length && !resolved.constructSignatures.length) {
writePunctuation(writer, 13 /* OpenBraceToken */);
writePunctuation(writer, 14 /* CloseBraceToken */);
return;
}
if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) {
if (flags & 64 /* InElementType */) {
writePunctuation(writer, 15 /* OpenParenToken */);
}
buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, typeStack);
if (flags & 64 /* InElementType */) {
writePunctuation(writer, 16 /* CloseParenToken */);
}
return;
}
if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) {
if (flags & 64 /* InElementType */) {
writePunctuation(writer, 15 /* OpenParenToken */);
}
writeKeyword(writer, 86 /* NewKeyword */);
writeSpace(writer);
buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, typeStack);
if (flags & 64 /* InElementType */) {
writePunctuation(writer, 16 /* CloseParenToken */);
}
return;
}
}
writePunctuation(writer, 13 /* OpenBraceToken */);
writer.writeLine();
writer.increaseIndent();
for (var i = 0; i < resolved.callSignatures.length; i++) {
buildSignatureDisplay(resolved.callSignatures[i], writer, enclosingDeclaration, globalFlagsToPass, typeStack);
writePunctuation(writer, 21 /* SemicolonToken */);
writer.writeLine();
}
for (var i = 0; i < resolved.constructSignatures.length; i++) {
writeKeyword(writer, 86 /* NewKeyword */);
writeSpace(writer);
buildSignatureDisplay(resolved.constructSignatures[i], writer, enclosingDeclaration, globalFlagsToPass, typeStack);
writePunctuation(writer, 21 /* SemicolonToken */);
writer.writeLine();
}
if (resolved.stringIndexType) {
writePunctuation(writer, 17 /* OpenBracketToken */);
writer.writeParameter(getIndexerParameterName(resolved, 0 /* String */, "x"));
writePunctuation(writer, 50 /* ColonToken */);
writeSpace(writer);
writeKeyword(writer, 118 /* StringKeyword */);
writePunctuation(writer, 18 /* CloseBracketToken */);
writePunctuation(writer, 50 /* ColonToken */);
writeSpace(writer);
writeType(resolved.stringIndexType, 0 /* None */);
writePunctuation(writer, 21 /* SemicolonToken */);
writer.writeLine();
}
if (resolved.numberIndexType) {
writePunctuation(writer, 17 /* OpenBracketToken */);
writer.writeParameter(getIndexerParameterName(resolved, 1 /* Number */, "x"));
writePunctuation(writer, 50 /* ColonToken */);
writeSpace(writer);
writeKeyword(writer, 116 /* NumberKeyword */);
writePunctuation(writer, 18 /* CloseBracketToken */);
writePunctuation(writer, 50 /* ColonToken */);
writeSpace(writer);
writeType(resolved.numberIndexType, 0 /* None */);
writePunctuation(writer, 21 /* SemicolonToken */);
writer.writeLine();
}
for (var i = 0; i < resolved.properties.length; i++) {
var p = resolved.properties[i];
var t = getTypeOfSymbol(p);
if (p.flags & (16 /* Function */ | 8192 /* Method */) && !getPropertiesOfObjectType(t).length) {
var signatures = getSignaturesOfType(t, 0 /* Call */);
for (var j = 0; j < signatures.length; j++) {
buildSymbolDisplay(p, writer);
if (isOptionalProperty(p)) {
writePunctuation(writer, 49 /* QuestionToken */);
}
buildSignatureDisplay(signatures[j], writer, enclosingDeclaration, globalFlagsToPass, typeStack);
writePunctuation(writer, 21 /* SemicolonToken */);
writer.writeLine();
}
}
else {
buildSymbolDisplay(p, writer);
if (isOptionalProperty(p)) {
writePunctuation(writer, 49 /* QuestionToken */);
}
writePunctuation(writer, 50 /* ColonToken */);
writeSpace(writer);
writeType(t, 0 /* None */);
writePunctuation(writer, 21 /* SemicolonToken */);
writer.writeLine();
}
}
writer.decreaseIndent();
writePunctuation(writer, 14 /* CloseBraceToken */);
}
}
function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaraiton, flags) {
var targetSymbol = getTargetSymbol(symbol);
if (targetSymbol.flags & 32 /* Class */ || targetSymbol.flags & 64 /* Interface */) {
buildDisplayForTypeParametersAndDelimiters(getTypeParametersOfClassOrInterface(symbol), writer, enclosingDeclaraiton, flags);
}
}
function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, typeStack) {
appendSymbolNameOnly(tp.symbol, writer);
var constraint = getConstraintOfTypeParameter(tp);
if (constraint) {
writeSpace(writer);
writeKeyword(writer, 77 /* ExtendsKeyword */);
writeSpace(writer);
buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, typeStack);
}
}
function buildParameterDisplay(p, writer, enclosingDeclaration, flags, typeStack) {
if (ts.hasDotDotDotToken(p.valueDeclaration)) {
writePunctuation(writer, 20 /* DotDotDotToken */);
}
appendSymbolNameOnly(p, writer);
if (ts.hasQuestionToken(p.valueDeclaration) || p.valueDeclaration.initializer) {
writePunctuation(writer, 49 /* QuestionToken */);
}
writePunctuation(writer, 50 /* ColonToken */);
writeSpace(writer);
buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, typeStack);
}
function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, typeStack) {
if (typeParameters && typeParameters.length) {
writePunctuation(writer, 23 /* LessThanToken */);
for (var i = 0; i < typeParameters.length; i++) {
if (i > 0) {
writePunctuation(writer, 22 /* CommaToken */);
writeSpace(writer);
}
buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, typeStack);
}
writePunctuation(writer, 24 /* GreaterThanToken */);
}
}
function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, typeStack) {
if (typeParameters && typeParameters.length) {
writePunctuation(writer, 23 /* LessThanToken */);
for (var i = 0; i < typeParameters.length; i++) {
if (i > 0) {
writePunctuation(writer, 22 /* CommaToken */);
writeSpace(writer);
}
buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0 /* None */);
}
writePunctuation(writer, 24 /* GreaterThanToken */);
}
}
function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, typeStack) {
writePunctuation(writer, 15 /* OpenParenToken */);
for (var i = 0; i < parameters.length; i++) {
if (i > 0) {
writePunctuation(writer, 22 /* CommaToken */);
writeSpace(writer);
}
buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, typeStack);
}
writePunctuation(writer, 16 /* CloseParenToken */);
}
function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, typeStack) {
if (flags & 8 /* WriteArrowStyleSignature */) {
writeSpace(writer);
writePunctuation(writer, 31 /* EqualsGreaterThanToken */);
}
else {
writePunctuation(writer, 50 /* ColonToken */);
}
writeSpace(writer);
buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags, typeStack);
}
function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, typeStack) {
if (signature.target && (flags & 32 /* WriteTypeArgumentsOfSignature */)) {
buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration);
}
else {
buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, typeStack);
}
buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, typeStack);
buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, typeStack);
}
return _displayBuilder || (_displayBuilder = {
symbolToString: symbolToString,
typeToString: typeToString,
buildSymbolDisplay: buildSymbolDisplay,
buildTypeDisplay: buildTypeDisplay,
buildTypeParameterDisplay: buildTypeParameterDisplay,
buildParameterDisplay: buildParameterDisplay,
buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters,
buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters,
buildDisplayForTypeArgumentsAndDelimiters: buildDisplayForTypeArgumentsAndDelimiters,
buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol,
buildSignatureDisplay: buildSignatureDisplay,
buildReturnTypeDisplay: buildReturnTypeDisplay
});
}
function isDeclarationVisible(node) {
function getContainingExternalModule(node) {
for (; node; node = node.parent) {
if (node.kind === 189 /* ModuleDeclaration */) {
if (node.name.kind === 7 /* StringLiteral */) {
return node;
}
}
else if (node.kind === 201 /* SourceFile */) {
return ts.isExternalModule(node) ? node : undefined;
}
}
ts.Debug.fail("getContainingModule cant reach here");
}
function isUsedInExportAssignment(node) {
var externalModule = getContainingExternalModule(node);
if (externalModule) {
var externalModuleSymbol = getSymbolOfNode(externalModule);
var exportAssignmentSymbol = getExportAssignmentSymbol(externalModuleSymbol);
var resolvedExportSymbol;
var symbolOfNode = getSymbolOfNode(node);
if (isSymbolUsedInExportAssignment(symbolOfNode)) {
return true;
}
if (symbolOfNode.flags & 33554432 /* Import */) {
return isSymbolUsedInExportAssignment(resolveImport(symbolOfNode));
}
}
function isSymbolUsedInExportAssignment(symbol) {
if (exportAssignmentSymbol === symbol) {
return true;
}
if (exportAssignmentSymbol && !!(exportAssignmentSymbol.flags & 33554432 /* Import */)) {
resolvedExportSymbol = resolvedExportSymbol || resolveImport(exportAssignmentSymbol);
if (resolvedExportSymbol === symbol) {
return true;
}
return ts.forEach(resolvedExportSymbol.declarations, function (current) {
while (current) {
if (current === node) {
return true;
}
current = current.parent;
}
});
}
}
}
function determineIfDeclarationIsVisible() {
switch (node.kind) {
case 183 /* VariableDeclaration */:
case 189 /* ModuleDeclaration */:
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
case 187 /* TypeAliasDeclaration */:
case 184 /* FunctionDeclaration */:
case 188 /* EnumDeclaration */:
case 191 /* ImportDeclaration */:
var parent = node.kind === 183 /* VariableDeclaration */ ? node.parent.parent : node.parent;
if (!(node.flags & 1 /* Export */) && !(node.kind !== 191 /* ImportDeclaration */ && parent.kind !== 201 /* SourceFile */ && ts.isInAmbientContext(parent))) {
return isGlobalSourceFile(parent) || isUsedInExportAssignment(node);
}
return isDeclarationVisible(parent);
case 124 /* Property */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 125 /* Method */:
if (node.flags & (32 /* Private */ | 64 /* Protected */)) {
return false;
}
case 126 /* Constructor */:
case 130 /* ConstructSignature */:
case 129 /* CallSignature */:
case 131 /* IndexSignature */:
case 123 /* Parameter */:
case 190 /* ModuleBlock */:
case 133 /* FunctionType */:
case 134 /* ConstructorType */:
case 136 /* TypeLiteral */:
case 132 /* TypeReference */:
case 137 /* ArrayType */:
case 138 /* TupleType */:
case 139 /* UnionType */:
case 140 /* ParenthesizedType */:
return isDeclarationVisible(node.parent);
case 122 /* TypeParameter */:
case 201 /* SourceFile */:
return true;
default:
ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind);
}
}
if (node) {
var links = getNodeLinks(node);
if (links.isVisible === undefined) {
links.isVisible = !!determineIfDeclarationIsVisible();
}
return links.isVisible;
}
}
function getTypeOfPrototypeProperty(prototype) {
var classType = getDeclaredTypeOfSymbol(prototype.parent);
return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType;
}
function getTypeOfVariableOrParameterOrPropertyDeclaration(declaration) {
if (declaration.parent.kind === 171 /* ForInStatement */) {
return anyType;
}
if (declaration.type) {
return getTypeFromTypeNode(declaration.type);
}
if (declaration.kind === 123 /* Parameter */) {
var func = declaration.parent;
if (func.kind === 128 /* SetAccessor */ && !ts.hasComputedNameButNotSymbol(func)) {
var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 127 /* GetAccessor */);
if (getter) {
return getReturnTypeOfSignature(getSignatureFromDeclaration(getter));
}
}
var type = getContextuallyTypedParameterType(declaration);
if (type) {
return type;
}
}
if (declaration.initializer) {
var type = checkAndMarkExpression(declaration.initializer);
if (declaration.kind !== 198 /* PropertyAssignment */) {
var unwidenedType = type;
type = getWidenedType(type);
if (type !== unwidenedType) {
checkImplicitAny(type);
}
}
return type;
}
if (declaration.kind === 199 /* ShorthandPropertyAssignment */) {
var type = checkIdentifier(declaration.name);
return type;
}
var type = ts.hasDotDotDotToken(declaration) ? createArrayType(anyType) : anyType;
checkImplicitAny(type);
return type;
function checkImplicitAny(type) {
if (!fullTypeCheck || !compilerOptions.noImplicitAny) {
return;
}
if (getInnermostTypeOfNestedArrayTypes(type) !== anyType) {
return;
}
if (isPrivateWithinAmbient(declaration) || (declaration.kind === 123 /* Parameter */ && isPrivateWithinAmbient(declaration.parent))) {
return;
}
switch (declaration.kind) {
case 124 /* Property */:
var diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type;
break;
case 123 /* Parameter */:
var diagnostic = ts.hasDotDotDotToken(declaration) ? ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : ts.Diagnostics.Parameter_0_implicitly_has_an_1_type;
break;
default:
var diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type;
}
error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeToString(type));
}
}
function getTypeOfVariableOrParameterOrProperty(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
if (symbol.flags & 536870912 /* Prototype */) {
return links.type = getTypeOfPrototypeProperty(symbol);
}
var declaration = symbol.valueDeclaration;
if (declaration.kind === 197 /* CatchClause */) {
return links.type = anyType;
}
links.type = resolvingType;
var type = getTypeOfVariableOrParameterOrPropertyDeclaration(declaration);
if (links.type === resolvingType) {
links.type = type;
}
}
else if (links.type === resolvingType) {
links.type = anyType;
if (compilerOptions.noImplicitAny) {
var diagnostic = symbol.valueDeclaration.type ? ts.Diagnostics._0_implicitly_has_type_any_because_it_is_referenced_directly_or_indirectly_in_its_own_type_annotation : ts.Diagnostics._0_implicitly_has_type_any_because_it_is_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer;
error(symbol.valueDeclaration, diagnostic, symbolToString(symbol));
}
}
return links.type;
}
function getSetAccessorTypeAnnotationNode(accessor) {
return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type;
}
function getAnnotatedAccessorType(accessor) {
if (accessor) {
if (accessor.kind === 127 /* GetAccessor */) {
return accessor.type && getTypeFromTypeNode(accessor.type);
}
else {
var setterTypeAnnotation = getSetAccessorTypeAnnotationNode(accessor);
return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation);
}
}
return undefined;
}
function getTypeOfAccessors(symbol) {
var links = getSymbolLinks(symbol);
checkAndStoreTypeOfAccessors(symbol, links);
return links.type;
}
function checkAndStoreTypeOfAccessors(symbol, links) {
links = links || getSymbolLinks(symbol);
if (!links.type) {
links.type = resolvingType;
var getter = ts.getDeclarationOfKind(symbol, 127 /* GetAccessor */);
var setter = ts.getDeclarationOfKind(symbol, 128 /* SetAccessor */);
var type;
var getterReturnType = getAnnotatedAccessorType(getter);
if (getterReturnType) {
type = getterReturnType;
}
else {
var setterParameterType = getAnnotatedAccessorType(setter);
if (setterParameterType) {
type = setterParameterType;
}
else {
if (getter && getter.body) {
type = getReturnTypeFromBody(getter);
}
else {
if (compilerOptions.noImplicitAny) {
error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol));
}
type = anyType;
}
}
}
if (links.type === resolvingType) {
links.type = type;
}
}
else if (links.type === resolvingType) {
links.type = anyType;
if (compilerOptions.noImplicitAny) {
var getter = ts.getDeclarationOfKind(symbol, 127 /* GetAccessor */);
error(getter, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol));
}
}
}
function getTypeOfFuncClassEnumModule(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = createObjectType(32768 /* Anonymous */, symbol);
}
return links.type;
}
function getTypeOfEnumMember(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol));
}
return links.type;
}
function getTypeOfImport(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = getTypeOfSymbol(resolveImport(symbol));
}
return links.type;
}
function getTypeOfInstantiatedSymbol(symbol) {
var links = getSymbolLinks(symbol);
if (!links.type) {
links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper);
}
return links.type;
}
function getTypeOfSymbol(symbol) {
if (symbol.flags & 67108864 /* Instantiated */) {
return getTypeOfInstantiatedSymbol(symbol);
}
if (symbol.flags & (3 /* Variable */ | 4 /* Property */)) {
return getTypeOfVariableOrParameterOrProperty(symbol);
}
if (symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) {
return getTypeOfFuncClassEnumModule(symbol);
}
if (symbol.flags & 8 /* EnumMember */) {
return getTypeOfEnumMember(symbol);
}
if (symbol.flags & 98304 /* Accessor */) {
return getTypeOfAccessors(symbol);
}
if (symbol.flags & 33554432 /* Import */) {
return getTypeOfImport(symbol);
}
return unknownType;
}
function getTargetType(type) {
return type.flags & 4096 /* Reference */ ? type.target : type;
}
function hasBaseType(type, checkBase) {
return check(type);
function check(type) {
var target = getTargetType(type);
return target === checkBase || ts.forEach(target.baseTypes, check);
}
}
function getTypeParametersOfClassOrInterface(symbol) {
var result;
ts.forEach(symbol.declarations, function (node) {
if (node.kind === 186 /* InterfaceDeclaration */ || node.kind === 185 /* ClassDeclaration */) {
var declaration = node;
if (declaration.typeParameters && declaration.typeParameters.length) {
ts.forEach(declaration.typeParameters, function (node) {
var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(node));
if (!result) {
result = [tp];
}
else if (!ts.contains(result, tp)) {
result.push(tp);
}
});
}
}
});
return result;
}
function getDeclaredTypeOfClass(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var type = links.declaredType = createObjectType(1024 /* Class */, symbol);
var typeParameters = getTypeParametersOfClassOrInterface(symbol);
if (typeParameters) {
type.flags |= 4096 /* Reference */;
type.typeParameters = typeParameters;
type.instantiations = {};
type.instantiations[getTypeListId(type.typeParameters)] = type;
type.target = type;
type.typeArguments = type.typeParameters;
}
type.baseTypes = [];
var declaration = ts.getDeclarationOfKind(symbol, 185 /* ClassDeclaration */);
var baseTypeNode = ts.getClassBaseTypeNode(declaration);
if (baseTypeNode) {
var baseType = getTypeFromTypeReferenceNode(baseTypeNode);
if (baseType !== unknownType) {
if (getTargetType(baseType).flags & 1024 /* Class */) {
if (type !== baseType && !hasBaseType(baseType, type)) {
type.baseTypes.push(baseType);
}
else {
error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1 /* WriteArrayAsGenericType */));
}
}
else {
error(baseTypeNode, ts.Diagnostics.A_class_may_only_extend_another_class);
}
}
}
type.declaredProperties = getNamedMembers(symbol.members);
type.declaredCallSignatures = emptyArray;
type.declaredConstructSignatures = emptyArray;
type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */);
type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */);
}
return links.declaredType;
}
function getDeclaredTypeOfInterface(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var type = links.declaredType = createObjectType(2048 /* Interface */, symbol);
var typeParameters = getTypeParametersOfClassOrInterface(symbol);
if (typeParameters) {
type.flags |= 4096 /* Reference */;
type.typeParameters = typeParameters;
type.instantiations = {};
type.instantiations[getTypeListId(type.typeParameters)] = type;
type.target = type;
type.typeArguments = type.typeParameters;
}
type.baseTypes = [];
ts.forEach(symbol.declarations, function (declaration) {
if (declaration.kind === 186 /* InterfaceDeclaration */ && ts.getInterfaceBaseTypeNodes(declaration)) {
ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), function (node) {
var baseType = getTypeFromTypeReferenceNode(node);
if (baseType !== unknownType) {
if (getTargetType(baseType).flags & (1024 /* Class */ | 2048 /* Interface */)) {
if (type !== baseType && !hasBaseType(baseType, type)) {
type.baseTypes.push(baseType);
}
else {
error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1 /* WriteArrayAsGenericType */));
}
}
else {
error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface);
}
}
});
}
});
type.declaredProperties = getNamedMembers(symbol.members);
type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]);
type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]);
type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */);
type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */);
}
return links.declaredType;
}
function getDeclaredTypeOfTypeAlias(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
links.declaredType = resolvingType;
var declaration = ts.getDeclarationOfKind(symbol, 187 /* TypeAliasDeclaration */);
var type = getTypeFromTypeNode(declaration.type);
if (links.declaredType === resolvingType) {
links.declaredType = type;
}
}
else if (links.declaredType === resolvingType) {
links.declaredType = unknownType;
var declaration = ts.getDeclarationOfKind(symbol, 187 /* TypeAliasDeclaration */);
error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol));
}
return links.declaredType;
}
function getDeclaredTypeOfEnum(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var type = createType(128 /* Enum */);
type.symbol = symbol;
links.declaredType = type;
}
return links.declaredType;
}
function getDeclaredTypeOfTypeParameter(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
var type = createType(512 /* TypeParameter */);
type.symbol = symbol;
if (!ts.getDeclarationOfKind(symbol, 122 /* TypeParameter */).constraint) {
type.constraint = noConstraintType;
}
links.declaredType = type;
}
return links.declaredType;
}
function getDeclaredTypeOfImport(symbol) {
var links = getSymbolLinks(symbol);
if (!links.declaredType) {
links.declaredType = getDeclaredTypeOfSymbol(resolveImport(symbol));
}
return links.declaredType;
}
function getDeclaredTypeOfSymbol(symbol) {
ts.Debug.assert((symbol.flags & 67108864 /* Instantiated */) === 0);
if (symbol.flags & 32 /* Class */) {
return getDeclaredTypeOfClass(symbol);
}
if (symbol.flags & 64 /* Interface */) {
return getDeclaredTypeOfInterface(symbol);
}
if (symbol.flags & 2097152 /* TypeAlias */) {
return getDeclaredTypeOfTypeAlias(symbol);
}
if (symbol.flags & 384 /* Enum */) {
return getDeclaredTypeOfEnum(symbol);
}
if (symbol.flags & 1048576 /* TypeParameter */) {
return getDeclaredTypeOfTypeParameter(symbol);
}
if (symbol.flags & 33554432 /* Import */) {
return getDeclaredTypeOfImport(symbol);
}
return unknownType;
}
function createSymbolTable(symbols) {
var result = {};
for (var i = 0; i < symbols.length; i++) {
var symbol = symbols[i];
result[symbol.name] = symbol;
}
return result;
}
function createInstantiatedSymbolTable(symbols, mapper) {
var result = {};
for (var i = 0; i < symbols.length; i++) {
var symbol = symbols[i];
result[symbol.name] = instantiateSymbol(symbol, mapper);
}
return result;
}
function addInheritedMembers(symbols, baseSymbols) {
for (var i = 0; i < baseSymbols.length; i++) {
var s = baseSymbols[i];
if (!ts.hasProperty(symbols, s.name)) {
symbols[s.name] = s;
}
}
}
function addInheritedSignatures(signatures, baseSignatures) {
if (baseSignatures) {
for (var i = 0; i < baseSignatures.length; i++) {
signatures.push(baseSignatures[i]);
}
}
}
function resolveClassOrInterfaceMembers(type) {
var members = type.symbol.members;
var callSignatures = type.declaredCallSignatures;
var constructSignatures = type.declaredConstructSignatures;
var stringIndexType = type.declaredStringIndexType;
var numberIndexType = type.declaredNumberIndexType;
if (type.baseTypes.length) {
members = createSymbolTable(type.declaredProperties);
ts.forEach(type.baseTypes, function (baseType) {
addInheritedMembers(members, getPropertiesOfObjectType(baseType));
callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(baseType, 0 /* Call */));
constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(baseType, 1 /* Construct */));
stringIndexType = stringIndexType || getIndexTypeOfType(baseType, 0 /* String */);
numberIndexType = numberIndexType || getIndexTypeOfType(baseType, 1 /* Number */);
});
}
setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function resolveTypeReferenceMembers(type) {
var target = type.target;
var mapper = createTypeMapper(target.typeParameters, type.typeArguments);
var members = createInstantiatedSymbolTable(target.declaredProperties, mapper);
var callSignatures = instantiateList(target.declaredCallSignatures, mapper, instantiateSignature);
var constructSignatures = instantiateList(target.declaredConstructSignatures, mapper, instantiateSignature);
var stringIndexType = target.declaredStringIndexType ? instantiateType(target.declaredStringIndexType, mapper) : undefined;
var numberIndexType = target.declaredNumberIndexType ? instantiateType(target.declaredNumberIndexType, mapper) : undefined;
ts.forEach(target.baseTypes, function (baseType) {
var instantiatedBaseType = instantiateType(baseType, mapper);
addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType));
callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0 /* Call */));
constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1 /* Construct */));
stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0 /* String */);
numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1 /* Number */);
});
setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function createSignature(declaration, typeParameters, parameters, resolvedReturnType, minArgumentCount, hasRestParameter, hasStringLiterals) {
var sig = new Signature(checker);
sig.declaration = declaration;
sig.typeParameters = typeParameters;
sig.parameters = parameters;
sig.resolvedReturnType = resolvedReturnType;
sig.minArgumentCount = minArgumentCount;
sig.hasRestParameter = hasRestParameter;
sig.hasStringLiterals = hasStringLiterals;
return sig;
}
function cloneSignature(sig) {
return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals);
}
function getDefaultConstructSignatures(classType) {
if (classType.baseTypes.length) {
var baseType = classType.baseTypes[0];
var baseSignatures = getSignaturesOfType(getTypeOfSymbol(baseType.symbol), 1 /* Construct */);
return ts.map(baseSignatures, function (baseSignature) {
var signature = baseType.flags & 4096 /* Reference */ ? getSignatureInstantiation(baseSignature, baseType.typeArguments) : cloneSignature(baseSignature);
signature.typeParameters = classType.typeParameters;
signature.resolvedReturnType = classType;
return signature;
});
}
return [createSignature(undefined, classType.typeParameters, emptyArray, classType, 0, false, false)];
}
function createTupleTypeMemberSymbols(memberTypes) {
var members = {};
for (var i = 0; i < memberTypes.length; i++) {
var symbol = createSymbol(4 /* Property */ | 268435456 /* Transient */, "" + i);
symbol.type = memberTypes[i];
members[i] = symbol;
}
return members;
}
function resolveTupleTypeMembers(type) {
var arrayType = resolveObjectOrUnionTypeMembers(createArrayType(getUnionType(type.elementTypes)));
var members = createTupleTypeMemberSymbols(type.elementTypes);
addInheritedMembers(members, arrayType.properties);
setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType);
}
function signatureListsIdentical(s, t) {
if (s.length !== t.length) {
return false;
}
for (var i = 0; i < s.length; i++) {
if (!compareSignatures(s[i], t[i], false, compareTypes)) {
return false;
}
}
return true;
}
function getUnionSignatures(types, kind) {
var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); });
var signatures = signatureLists[0];
for (var i = 0; i < signatures.length; i++) {
if (signatures[i].typeParameters) {
return emptyArray;
}
}
for (var i = 1; i < signatureLists.length; i++) {
if (!signatureListsIdentical(signatures, signatureLists[i])) {
return emptyArray;
}
}
var result = ts.map(signatures, cloneSignature);
for (var i = 0; i < result.length; i++) {
var s = result[i];
s.resolvedReturnType = undefined;
s.unionSignatures = ts.map(signatureLists, function (signatures) { return signatures[i]; });
}
return result;
}
function getUnionIndexType(types, kind) {
var indexTypes = [];
for (var i = 0; i < types.length; i++) {
var indexType = getIndexTypeOfType(types[i], kind);
if (!indexType) {
return undefined;
}
indexTypes.push(indexType);
}
return getUnionType(indexTypes);
}
function resolveUnionTypeMembers(type) {
var callSignatures = getUnionSignatures(type.types, 0 /* Call */);
var constructSignatures = getUnionSignatures(type.types, 1 /* Construct */);
var stringIndexType = getUnionIndexType(type.types, 0 /* String */);
var numberIndexType = getUnionIndexType(type.types, 1 /* Number */);
setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function resolveAnonymousTypeMembers(type) {
var symbol = type.symbol;
if (symbol.flags & 2048 /* TypeLiteral */) {
var members = symbol.members;
var callSignatures = getSignaturesOfSymbol(members["__call"]);
var constructSignatures = getSignaturesOfSymbol(members["__new"]);
var stringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */);
var numberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */);
}
else {
var members = emptySymbols;
var callSignatures = emptyArray;
var constructSignatures = emptyArray;
if (symbol.flags & 1952 /* HasExports */) {
members = symbol.exports;
}
if (symbol.flags & (16 /* Function */ | 8192 /* Method */)) {
callSignatures = getSignaturesOfSymbol(symbol);
}
if (symbol.flags & 32 /* Class */) {
var classType = getDeclaredTypeOfClass(symbol);
constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]);
if (!constructSignatures.length) {
constructSignatures = getDefaultConstructSignatures(classType);
}
if (classType.baseTypes.length) {
members = createSymbolTable(getNamedMembers(members));
addInheritedMembers(members, getPropertiesOfObjectType(getTypeOfSymbol(classType.baseTypes[0].symbol)));
}
}
var stringIndexType = undefined;
var numberIndexType = (symbol.flags & 384 /* Enum */) ? stringType : undefined;
}
setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType);
}
function resolveObjectOrUnionTypeMembers(type) {
if (!type.members) {
if (type.flags & (1024 /* Class */ | 2048 /* Interface */)) {
resolveClassOrInterfaceMembers(type);
}
else if (type.flags & 32768 /* Anonymous */) {
resolveAnonymousTypeMembers(type);
}
else if (type.flags & 8192 /* Tuple */) {
resolveTupleTypeMembers(type);
}
else if (type.flags & 16384 /* Union */) {
resolveUnionTypeMembers(type);
}
else {
resolveTypeReferenceMembers(type);
}
}
return type;
}
function getPropertiesOfObjectType(type) {
if (type.flags & 48128 /* ObjectType */) {
return resolveObjectOrUnionTypeMembers(type).properties;
}
return emptyArray;
}
function getPropertyOfObjectType(type, name) {
if (type.flags & 48128 /* ObjectType */) {
var resolved = resolveObjectOrUnionTypeMembers(type);
if (ts.hasProperty(resolved.members, name)) {
var symbol = resolved.members[name];
if (symbolIsValue(symbol)) {
return symbol;
}
}
}
}
function getPropertiesOfUnionType(type) {
var result = [];
ts.forEach(getPropertiesOfType(type.types[0]), function (prop) {
var unionProp = getPropertyOfUnionType(type, prop.name);
if (unionProp) {
result.push(unionProp);
}
});
return result;
}
function getPropertiesOfType(type) {
if (type.flags & 16384 /* Union */) {
return getPropertiesOfUnionType(type);
}
return getPropertiesOfObjectType(getApparentType(type));
}
function getApparentType(type) {
if (type.flags & 512 /* TypeParameter */) {
do {
type = getConstraintOfTypeParameter(type);
} while (type && type.flags & 512 /* TypeParameter */);
if (!type) {
type = emptyObjectType;
}
}
if (type.flags & 258 /* StringLike */) {
type = globalStringType;
}
else if (type.flags & 132 /* NumberLike */) {
type = globalNumberType;
}
else if (type.flags & 8 /* Boolean */) {
type = globalBooleanType;
}
return type;
}
function createUnionProperty(unionType, name) {
var types = unionType.types;
var props;
for (var i = 0; i < types.length; i++) {
var type = getApparentType(types[i]);
if (type !== unknownType) {
var prop = getPropertyOfType(type, name);
if (!prop) {
return undefined;
}
if (!props) {
props = [prop];
}
else {
props.push(prop);
}
}
}
var propTypes = [];
var declarations = [];
for (var i = 0; i < props.length; i++) {
var prop = props[i];
if (prop.declarations) {
declarations.push.apply(declarations, prop.declarations);
}
propTypes.push(getTypeOfSymbol(prop));
}
var result = createSymbol(4 /* Property */ | 268435456 /* Transient */ | 1073741824 /* UnionProperty */, name);
result.unionType = unionType;
result.declarations = declarations;
result.type = getUnionType(propTypes);
return result;
}
function getPropertyOfUnionType(type, name) {
var properties = type.resolvedProperties || (type.resolvedProperties = {});
if (ts.hasProperty(properties, name)) {
return properties[name];
}
var property = createUnionProperty(type, name);
if (property) {
properties[name] = property;
}
return property;
}
function getPropertyOfType(type, name) {
if (type.flags & 16384 /* Union */) {
return getPropertyOfUnionType(type, name);
}
if (!(type.flags & 48128 /* ObjectType */)) {
type = getApparentType(type);
if (!(type.flags & 48128 /* ObjectType */)) {
return undefined;
}
}
var resolved = resolveObjectOrUnionTypeMembers(type);
if (ts.hasProperty(resolved.members, name)) {
var symbol = resolved.members[name];
if (symbolIsValue(symbol)) {
return symbol;
}
}
if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) {
var symbol = getPropertyOfObjectType(globalFunctionType, name);
if (symbol)
return symbol;
}
return getPropertyOfObjectType(globalObjectType, name);
}
function getSignaturesOfObjectOrUnionType(type, kind) {
if (type.flags & (48128 /* ObjectType */ | 16384 /* Union */)) {
var resolved = resolveObjectOrUnionTypeMembers(type);
return kind === 0 /* Call */ ? resolved.callSignatures : resolved.constructSignatures;
}
return emptyArray;
}
function getSignaturesOfType(type, kind) {
return getSignaturesOfObjectOrUnionType(getApparentType(type), kind);
}
function getIndexTypeOfObjectOrUnionType(type, kind) {
if (type.flags & (48128 /* ObjectType */ | 16384 /* Union */)) {
var resolved = resolveObjectOrUnionTypeMembers(type);
return kind === 0 /* String */ ? resolved.stringIndexType : resolved.numberIndexType;
}
}
function getIndexTypeOfType(type, kind) {
return getIndexTypeOfObjectOrUnionType(getApparentType(type), kind);
}
function getTypeParametersFromDeclaration(typeParameterDeclarations) {
var result = [];
ts.forEach(typeParameterDeclarations, function (node) {
var tp = getDeclaredTypeOfTypeParameter(node.symbol);
if (!ts.contains(result, tp)) {
result.push(tp);
}
});
return result;
}
function getSignatureFromDeclaration(declaration) {
var links = getNodeLinks(declaration);
if (!links.resolvedSignature) {
var classType = declaration.kind === 126 /* Constructor */ ? getDeclaredTypeOfClass(declaration.parent.symbol) : undefined;
var typeParameters = classType ? classType.typeParameters : declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : undefined;
var parameters = [];
var hasStringLiterals = false;
var minArgumentCount = -1;
for (var i = 0, n = declaration.parameters.length; i < n; i++) {
var param = declaration.parameters[i];
parameters.push(param.symbol);
if (param.type && param.type.kind === 7 /* StringLiteral */) {
hasStringLiterals = true;
}
if (minArgumentCount < 0) {
if (param.initializer || param.questionToken || param.dotDotDotToken) {
minArgumentCount = i;
}
}
}
if (minArgumentCount < 0) {
minArgumentCount = declaration.parameters.length;
}
var returnType;
if (classType) {
returnType = classType;
}
else if (declaration.type) {
returnType = getTypeFromTypeNode(declaration.type);
}
else {
if (declaration.kind === 127 /* GetAccessor */ && !ts.hasComputedNameButNotSymbol(declaration)) {
var setter = ts.getDeclarationOfKind(declaration.symbol, 128 /* SetAccessor */);
returnType = getAnnotatedAccessorType(setter);
}
if (!returnType && !declaration.body) {
returnType = anyType;
}
}
links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, minArgumentCount, ts.hasRestParameters(declaration), hasStringLiterals);
}
return links.resolvedSignature;
}
function getSignaturesOfSymbol(symbol) {
if (!symbol)
return emptyArray;
var result = [];
for (var i = 0, len = symbol.declarations.length; i < len; i++) {
var node = symbol.declarations[i];
switch (node.kind) {
case 133 /* FunctionType */:
case 134 /* ConstructorType */:
case 184 /* FunctionDeclaration */:
case 125 /* Method */:
case 126 /* Constructor */:
case 129 /* CallSignature */:
case 130 /* ConstructSignature */:
case 131 /* IndexSignature */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
if (i > 0 && node.body) {
var previous = symbol.declarations[i - 1];
if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) {
break;
}
}
result.push(getSignatureFromDeclaration(node));
}
}
return result;
}
function getReturnTypeOfSignature(signature) {
if (!signature.resolvedReturnType) {
signature.resolvedReturnType = resolvingType;
if (signature.target) {
var type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper);
}
else if (signature.unionSignatures) {
var type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature));
}
else {
var type = getReturnTypeFromBody(signature.declaration);
}
if (signature.resolvedReturnType === resolvingType) {
signature.resolvedReturnType = type;
}
}
else if (signature.resolvedReturnType === resolvingType) {
signature.resolvedReturnType = anyType;
if (compilerOptions.noImplicitAny) {
var declaration = signature.declaration;
if (declaration.name) {
error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name));
}
else {
error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions);
}
}
}
return signature.resolvedReturnType;
}
function getRestTypeOfSignature(signature) {
if (signature.hasRestParameter) {
var type = getTypeOfSymbol(signature.parameters[signature.parameters.length - 1]);
if (type.flags & 4096 /* Reference */ && type.target === globalArrayType) {
return type.typeArguments[0];
}
}
return anyType;
}
function getSignatureInstantiation(signature, typeArguments) {
return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true);
}
function getErasedSignature(signature) {
if (!signature.typeParameters)
return signature;
if (!signature.erasedSignatureCache) {
if (signature.target) {
signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper);
}
else {
signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true);
}
}
return signature.erasedSignatureCache;
}
function getOrCreateTypeFromSignature(signature) {
if (!signature.isolatedSignatureType) {
var isConstructor = signature.declaration.kind === 126 /* Constructor */ || signature.declaration.kind === 130 /* ConstructSignature */;
var type = createObjectType(32768 /* Anonymous */ | 65536 /* FromSignature */);
type.members = emptySymbols;
type.properties = emptyArray;
type.callSignatures = !isConstructor ? [signature] : emptyArray;
type.constructSignatures = isConstructor ? [signature] : emptyArray;
signature.isolatedSignatureType = type;
}
return signature.isolatedSignatureType;
}
function getIndexSymbol(symbol) {
return symbol.members["__index"];
}
function getIndexDeclarationOfSymbol(symbol, kind) {
var syntaxKind = kind === 1 /* Number */ ? 116 /* NumberKeyword */ : 118 /* StringKeyword */;
var indexSymbol = getIndexSymbol(symbol);
if (indexSymbol) {
var len = indexSymbol.declarations.length;
for (var i = 0; i < len; i++) {
var node = indexSymbol.declarations[i];
if (node.parameters.length === 1) {
var parameter = node.parameters[0];
if (parameter && parameter.type && parameter.type.kind === syntaxKind) {
return node;
}
}
}
}
return undefined;
}
function getIndexTypeOfSymbol(symbol, kind) {
var declaration = getIndexDeclarationOfSymbol(symbol, kind);
return declaration ? declaration.type ? getTypeFromTypeNode(declaration.type) : anyType : undefined;
}
function getConstraintOfTypeParameter(type) {
if (!type.constraint) {
if (type.target) {
var targetConstraint = getConstraintOfTypeParameter(type.target);
type.constraint = targetConstraint ? instantiateType(targetConstraint, type.mapper) : noConstraintType;
}
else {
type.constraint = getTypeFromTypeNode(ts.getDeclarationOfKind(type.symbol, 122 /* TypeParameter */).constraint);
}
}
return type.constraint === noConstraintType ? undefined : type.constraint;
}
function getTypeListId(types) {
switch (types.length) {
case 1:
return "" + types[0].id;
case 2:
return types[0].id + "," + types[1].id;
default:
var result = "";
for (var i = 0; i < types.length; i++) {
if (i > 0)
result += ",";
result += types[i].id;
}
return result;
}
}
function createTypeReference(target, typeArguments) {
var id = getTypeListId(typeArguments);
var type = target.instantiations[id];
if (!type) {
type = target.instantiations[id] = createObjectType(4096 /* Reference */, target.symbol);
type.target = target;
type.typeArguments = typeArguments;
}
return type;
}
function isTypeParameterReferenceIllegalInConstraint(typeReferenceNode, typeParameterSymbol) {
var links = getNodeLinks(typeReferenceNode);
if (links.isIllegalTypeReferenceInConstraint !== undefined) {
return links.isIllegalTypeReferenceInConstraint;
}
var currentNode = typeReferenceNode;
while (!ts.forEach(typeParameterSymbol.declarations, function (d) { return d.parent === currentNode.parent; })) {
currentNode = currentNode.parent;
}
links.isIllegalTypeReferenceInConstraint = currentNode.kind === 122 /* TypeParameter */;
return links.isIllegalTypeReferenceInConstraint;
}
function checkTypeParameterHasIllegalReferencesInConstraint(typeParameter) {
var typeParameterSymbol;
function check(n) {
if (n.kind === 132 /* TypeReference */ && n.typeName.kind === 63 /* Identifier */) {
var links = getNodeLinks(n);
if (links.isIllegalTypeReferenceInConstraint === undefined) {
var symbol = resolveName(typeParameter, n.typeName.text, 3152352 /* Type */, undefined, undefined);
if (symbol && (symbol.flags & 1048576 /* TypeParameter */)) {
links.isIllegalTypeReferenceInConstraint = ts.forEach(symbol.declarations, function (d) { return d.parent == typeParameter.parent; });
}
}
if (links.isIllegalTypeReferenceInConstraint) {
error(typeParameter, ts.Diagnostics.Constraint_of_a_type_parameter_cannot_reference_any_type_parameter_from_the_same_type_parameter_list);
}
}
ts.forEachChild(n, check);
}
if (typeParameter.constraint) {
typeParameterSymbol = getSymbolOfNode(typeParameter);
check(typeParameter.constraint);
}
}
function getTypeFromTypeReferenceNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
var symbol = resolveEntityName(node, node.typeName, 3152352 /* Type */);
if (symbol) {
var type;
if ((symbol.flags & 1048576 /* TypeParameter */) && isTypeParameterReferenceIllegalInConstraint(node, symbol)) {
type = unknownType;
}
else {
type = getDeclaredTypeOfSymbol(symbol);
if (type.flags & (1024 /* Class */ | 2048 /* Interface */) && type.flags & 4096 /* Reference */) {
var typeParameters = type.typeParameters;
if (node.typeArguments && node.typeArguments.length === typeParameters.length) {
type = createTypeReference(type, ts.map(node.typeArguments, getTypeFromTypeNode));
}
else {
error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1 /* WriteArrayAsGenericType */), typeParameters.length);
type = undefined;
}
}
else {
if (node.typeArguments) {
error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type));
type = undefined;
}
}
}
}
links.resolvedType = type || unknownType;
}
return links.resolvedType;
}
function getTypeFromTypeQueryNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getWidenedType(checkExpressionOrQualifiedName(node.exprName));
}
return links.resolvedType;
}
function getTypeOfGlobalSymbol(symbol, arity) {
function getTypeDeclaration(symbol) {
var declarations = symbol.declarations;
for (var i = 0; i < declarations.length; i++) {
var declaration = declarations[i];
switch (declaration.kind) {
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
case 188 /* EnumDeclaration */:
return declaration;
}
}
}
if (!symbol) {
return emptyObjectType;
}
var type = getDeclaredTypeOfSymbol(symbol);
if (!(type.flags & 48128 /* ObjectType */)) {
error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name);
return emptyObjectType;
}
if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) {
error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity);
return emptyObjectType;
}
return type;
}
function getGlobalSymbol(name) {
return resolveName(undefined, name, 3152352 /* Type */, ts.Diagnostics.Cannot_find_global_type_0, name);
}
function getGlobalType(name) {
return getTypeOfGlobalSymbol(getGlobalSymbol(name), 0);
}
function createArrayType(elementType) {
var arrayType = globalArrayType || getDeclaredTypeOfSymbol(globalArraySymbol);
return arrayType !== emptyObjectType ? createTypeReference(arrayType, [elementType]) : emptyObjectType;
}
function getTypeFromArrayTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType));
}
return links.resolvedType;
}
function createTupleType(elementTypes) {
var id = getTypeListId(elementTypes);
var type = tupleTypes[id];
if (!type) {
type = tupleTypes[id] = createObjectType(8192 /* Tuple */);
type.elementTypes = elementTypes;
}
return type;
}
function getTypeFromTupleTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode));
}
return links.resolvedType;
}
function addTypeToSortedSet(sortedSet, type) {
if (type.flags & 16384 /* Union */) {
addTypesToSortedSet(sortedSet, type.types);
}
else {
var i = 0;
var id = type.id;
while (i < sortedSet.length && sortedSet[i].id < id) {
i++;
}
if (i === sortedSet.length || sortedSet[i].id !== id) {
sortedSet.splice(i, 0, type);
}
}
}
function addTypesToSortedSet(sortedTypes, types) {
for (var i = 0, len = types.length; i < len; i++) {
addTypeToSortedSet(sortedTypes, types[i]);
}
}
function isSubtypeOfAny(candidate, types) {
for (var i = 0, len = types.length; i < len; i++) {
if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) {
return true;
}
}
return false;
}
function removeSubtypes(types) {
var i = types.length;
while (i > 0) {
i--;
if (isSubtypeOfAny(types[i], types)) {
types.splice(i, 1);
}
}
}
function containsAnyType(types) {
for (var i = 0; i < types.length; i++) {
if (types[i].flags & 1 /* Any */) {
return true;
}
}
return false;
}
function removeAllButLast(types, typeToRemove) {
var i = types.length;
while (i > 0 && types.length > 1) {
i--;
if (types[i] === typeToRemove) {
types.splice(i, 1);
}
}
}
function getUnionType(types, noSubtypeReduction) {
if (types.length === 0) {
return emptyObjectType;
}
var sortedTypes = [];
addTypesToSortedSet(sortedTypes, types);
if (noSubtypeReduction) {
if (containsAnyType(sortedTypes)) {
return anyType;
}
removeAllButLast(sortedTypes, undefinedType);
removeAllButLast(sortedTypes, nullType);
}
else {
removeSubtypes(sortedTypes);
}
if (sortedTypes.length === 1) {
return sortedTypes[0];
}
var id = getTypeListId(sortedTypes);
var type = unionTypes[id];
if (!type) {
type = unionTypes[id] = createObjectType(16384 /* Union */);
type.types = sortedTypes;
}
return type;
}
function getTypeFromUnionTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), true);
}
return links.resolvedType;
}
function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = createObjectType(32768 /* Anonymous */, node.symbol);
}
return links.resolvedType;
}
function getStringLiteralType(node) {
if (ts.hasProperty(stringLiteralTypes, node.text)) {
return stringLiteralTypes[node.text];
}
var type = stringLiteralTypes[node.text] = createType(256 /* StringLiteral */);
type.text = ts.getTextOfNode(node);
return type;
}
function getTypeFromStringLiteral(node) {
var links = getNodeLinks(node);
if (!links.resolvedType) {
links.resolvedType = getStringLiteralType(node);
}
return links.resolvedType;
}
function getTypeFromTypeNode(node) {
switch (node.kind) {
case 109 /* AnyKeyword */:
return anyType;
case 118 /* StringKeyword */:
return stringType;
case 116 /* NumberKeyword */:
return numberType;
case 110 /* BooleanKeyword */:
return booleanType;
case 97 /* VoidKeyword */:
return voidType;
case 7 /* StringLiteral */:
return getTypeFromStringLiteral(node);
case 132 /* TypeReference */:
return getTypeFromTypeReferenceNode(node);
case 135 /* TypeQuery */:
return getTypeFromTypeQueryNode(node);
case 137 /* ArrayType */:
return getTypeFromArrayTypeNode(node);
case 138 /* TupleType */:
return getTypeFromTupleTypeNode(node);
case 139 /* UnionType */:
return getTypeFromUnionTypeNode(node);
case 140 /* ParenthesizedType */:
return getTypeFromTypeNode(node.type);
case 133 /* FunctionType */:
case 134 /* ConstructorType */:
case 136 /* TypeLiteral */:
return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node);
case 63 /* Identifier */:
case 120 /* QualifiedName */:
var symbol = getSymbolInfo(node);
return symbol && getDeclaredTypeOfSymbol(symbol);
default:
return unknownType;
}
}
function instantiateList(items, mapper, instantiator) {
if (items && items.length) {
var result = [];
for (var i = 0; i < items.length; i++) {
result.push(instantiator(items[i], mapper));
}
return result;
}
return items;
}
function createUnaryTypeMapper(source, target) {
return function (t) { return t === source ? target : t; };
}
function createBinaryTypeMapper(source1, target1, source2, target2) {
return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; };
}
function createTypeMapper(sources, targets) {
switch (sources.length) {
case 1: return createUnaryTypeMapper(sources[0], targets[0]);
case 2: return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]);
}
return function (t) {
for (var i = 0; i < sources.length; i++) {
if (t === sources[i])
return targets[i];
}
return t;
};
}
function createUnaryTypeEraser(source) {
return function (t) { return t === source ? anyType : t; };
}
function createBinaryTypeEraser(source1, source2) {
return function (t) { return t === source1 || t === source2 ? anyType : t; };
}
function createTypeEraser(sources) {
switch (sources.length) {
case 1: return createUnaryTypeEraser(sources[0]);
case 2: return createBinaryTypeEraser(sources[0], sources[1]);
}
return function (t) {
for (var i = 0; i < sources.length; i++) {
if (t === sources[i])
return anyType;
}
return t;
};
}
function createInferenceMapper(context) {
return function (t) {
for (var i = 0; i < context.typeParameters.length; i++) {
if (t === context.typeParameters[i]) {
return getInferredType(context, i);
}
}
return t;
};
}
function identityMapper(type) {
return type;
}
function combineTypeMappers(mapper1, mapper2) {
return function (t) { return mapper2(mapper1(t)); };
}
function instantiateTypeParameter(typeParameter, mapper) {
var result = createType(512 /* TypeParameter */);
result.symbol = typeParameter.symbol;
if (typeParameter.constraint) {
result.constraint = instantiateType(typeParameter.constraint, mapper);
}
else {
result.target = typeParameter;
result.mapper = mapper;
}
return result;
}
function instantiateSignature(signature, mapper, eraseTypeParameters) {
if (signature.typeParameters && !eraseTypeParameters) {
var freshTypeParameters = instantiateList(signature.typeParameters, mapper, instantiateTypeParameter);
mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper);
}
var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), signature.resolvedReturnType ? instantiateType(signature.resolvedReturnType, mapper) : undefined, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals);
result.target = signature;
result.mapper = mapper;
return result;
}
function instantiateSymbol(symbol, mapper) {
if (symbol.flags & 67108864 /* Instantiated */) {
var links = getSymbolLinks(symbol);
symbol = links.target;
mapper = combineTypeMappers(links.mapper, mapper);
}
var result = createSymbol(67108864 /* Instantiated */ | 268435456 /* Transient */ | symbol.flags, symbol.name);
result.declarations = symbol.declarations;
result.parent = symbol.parent;
result.target = symbol;
result.mapper = mapper;
if (symbol.valueDeclaration) {
result.valueDeclaration = symbol.valueDeclaration;
}
return result;
}
function instantiateAnonymousType(type, mapper) {
var result = createObjectType(32768 /* Anonymous */, type.symbol);
result.properties = instantiateList(getPropertiesOfObjectType(type), mapper, instantiateSymbol);
result.members = createSymbolTable(result.properties);
result.callSignatures = instantiateList(getSignaturesOfType(type, 0 /* Call */), mapper, instantiateSignature);
result.constructSignatures = instantiateList(getSignaturesOfType(type, 1 /* Construct */), mapper, instantiateSignature);
var stringIndexType = getIndexTypeOfType(type, 0 /* String */);
var numberIndexType = getIndexTypeOfType(type, 1 /* Number */);
if (stringIndexType)
result.stringIndexType = instantiateType(stringIndexType, mapper);
if (numberIndexType)
result.numberIndexType = instantiateType(numberIndexType, mapper);
return result;
}
function instantiateType(type, mapper) {
if (mapper !== identityMapper) {
if (type.flags & 512 /* TypeParameter */) {
return mapper(type);
}
if (type.flags & 32768 /* Anonymous */) {
return type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) ? instantiateAnonymousType(type, mapper) : type;
}
if (type.flags & 4096 /* Reference */) {
return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType));
}
if (type.flags & 8192 /* Tuple */) {
return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType));
}
if (type.flags & 16384 /* Union */) {
return getUnionType(instantiateList(type.types, mapper, instantiateType), true);
}
}
return type;
}
function isContextSensitive(node) {
ts.Debug.assert(node.kind !== 125 /* Method */ || ts.isObjectLiteralMethod(node));
switch (node.kind) {
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
return isContextSensitiveFunctionLikeDeclaration(node);
case 142 /* ObjectLiteralExpression */:
return ts.forEach(node.properties, isContextSensitive);
case 141 /* ArrayLiteralExpression */:
return ts.forEach(node.elements, isContextSensitive);
case 158 /* ConditionalExpression */:
return isContextSensitive(node.whenTrue) || isContextSensitive(node.whenFalse);
case 157 /* BinaryExpression */:
return node.operator === 48 /* BarBarToken */ && (isContextSensitive(node.left) || isContextSensitive(node.right));
case 198 /* PropertyAssignment */:
return isContextSensitive(node.initializer);
case 125 /* Method */:
return isContextSensitiveFunctionLikeDeclaration(node);
}
return false;
}
function isContextSensitiveFunctionLikeDeclaration(node) {
return !node.typeParameters && !ts.forEach(node.parameters, function (p) { return p.type; });
}
function getTypeWithoutConstructors(type) {
if (type.flags & 48128 /* ObjectType */) {
var resolved = resolveObjectOrUnionTypeMembers(type);
if (resolved.constructSignatures.length) {
var result = createObjectType(32768 /* Anonymous */, type.symbol);
result.members = resolved.members;
result.properties = resolved.properties;
result.callSignatures = resolved.callSignatures;
result.constructSignatures = emptyArray;
type = result;
}
}
return type;
}
var subtypeRelation = {};
var assignableRelation = {};
var identityRelation = {};
function isTypeIdenticalTo(source, target) {
return checkTypeRelatedTo(source, target, identityRelation, undefined);
}
function compareTypes(source, target) {
return checkTypeRelatedTo(source, target, identityRelation, undefined) ? -1 /* True */ : 0 /* False */;
}
function isTypeSubtypeOf(source, target) {
return checkTypeSubtypeOf(source, target, undefined);
}
function isTypeAssignableTo(source, target) {
return checkTypeAssignableTo(source, target, undefined);
}
function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) {
return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain);
}
function checkTypeAssignableTo(source, target, errorNode, headMessage) {
return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage);
}
function isSignatureAssignableTo(source, target) {
var sourceType = getOrCreateTypeFromSignature(source);
var targetType = getOrCreateTypeFromSignature(target);
return checkTypeRelatedTo(sourceType, targetType, assignableRelation, undefined);
}
function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) {
var errorInfo;
var sourceStack;
var targetStack;
var maybeStack;
var expandingFlags;
var depth = 0;
var overflow = false;
ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking");
var result = isRelatedTo(source, target, errorNode !== undefined, headMessage);
if (overflow) {
error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target));
}
else if (errorInfo) {
if (containingMessageChain) {
errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo);
}
addDiagnostic(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo, program.getCompilerHost().getNewLine()));
}
return result !== 0 /* False */;
function reportError(message, arg0, arg1, arg2) {
errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2);
}
function isRelatedTo(source, target, reportErrors, headMessage) {
var result;
if (relation === identityRelation) {
if (source === target)
return -1 /* True */;
}
else {
if (source === target)
return -1 /* True */;
if (target.flags & 1 /* Any */)
return -1 /* True */;
if (source === undefinedType)
return -1 /* True */;
if (source === nullType && target !== undefinedType)
return -1 /* True */;
if (source.flags & 128 /* Enum */ && target === numberType)
return -1 /* True */;
if (source.flags & 256 /* StringLiteral */ && target === stringType)
return -1 /* True */;
if (relation === assignableRelation) {
if (source.flags & 1 /* Any */)
return -1 /* True */;
if (source === numberType && target.flags & 128 /* Enum */)
return -1 /* True */;
}
}
if (source.flags & 16384 /* Union */) {
if (result = unionTypeRelatedToType(source, target, reportErrors)) {
return result;
}
}
else if (target.flags & 16384 /* Union */) {
if (result = typeRelatedToUnionType(source, target, reportErrors)) {
return result;
}
}
else if (source.flags & 512 /* TypeParameter */ && target.flags & 512 /* TypeParameter */) {
if (result = typeParameterRelatedTo(source, target, reportErrors)) {
return result;
}
}
else {
var saveErrorInfo = errorInfo;
if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) {
if (result = typesRelatedTo(source.typeArguments, target.typeArguments, reportErrors)) {
return result;
}
}
var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo;
var sourceOrApparentType = relation === identityRelation ? source : getApparentType(source);
if (sourceOrApparentType.flags & 48128 /* ObjectType */ && target.flags & 48128 /* ObjectType */ && (result = objectTypeRelatedTo(sourceOrApparentType, target, reportStructuralErrors))) {
errorInfo = saveErrorInfo;
return result;
}
}
if (reportErrors) {
headMessage = headMessage || ts.Diagnostics.Type_0_is_not_assignable_to_type_1;
reportError(headMessage, typeToString(source), typeToString(target));
}
return 0 /* False */;
}
function typeRelatedToUnionType(source, target, reportErrors) {
var targetTypes = target.types;
for (var i = 0, len = targetTypes.length; i < len; i++) {
var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1);
if (related) {
return related;
}
}
return 0 /* False */;
}
function unionTypeRelatedToType(source, target, reportErrors) {
var result = -1 /* True */;
var sourceTypes = source.types;
for (var i = 0, len = sourceTypes.length; i < len; i++) {
var related = isRelatedTo(sourceTypes[i], target, reportErrors);
if (!related) {
return 0 /* False */;
}
result &= related;
}
return result;
}
function typesRelatedTo(sources, targets, reportErrors) {
var result = -1 /* True */;
for (var i = 0, len = sources.length; i < len; i++) {
var related = isRelatedTo(sources[i], targets[i], reportErrors);
if (!related) {
return 0 /* False */;
}
result &= related;
}
return result;
}
function typeParameterRelatedTo(source, target, reportErrors) {
if (relation === identityRelation) {
if (source.symbol.name !== target.symbol.name) {
return 0 /* False */;
}
if (source.constraint === target.constraint) {
return -1 /* True */;
}
if (source.constraint === noConstraintType || target.constraint === noConstraintType) {
return 0 /* False */;
}
return isRelatedTo(source.constraint, target.constraint, reportErrors);
}
else {
while (true) {
var constraint = getConstraintOfTypeParameter(source);
if (constraint === target)
return -1 /* True */;
if (!(constraint && constraint.flags & 512 /* TypeParameter */))
break;
source = constraint;
}
return 0 /* False */;
}
}
function objectTypeRelatedTo(source, target, reportErrors) {
if (overflow) {
return 0 /* False */;
}
var id = source.id + "," + target.id;
var related = relation[id];
if (related !== undefined) {
return related ? -1 /* True */ : 0 /* False */;
}
if (depth > 0) {
for (var i = 0; i < depth; i++) {
if (maybeStack[i][id]) {
return 1 /* Maybe */;
}
}
if (depth === 100) {
overflow = true;
return 0 /* False */;
}
}
else {
sourceStack = [];
targetStack = [];
maybeStack = [];
expandingFlags = 0;
}
sourceStack[depth] = source;
targetStack[depth] = target;
maybeStack[depth] = {};
maybeStack[depth][id] = true;
depth++;
var saveExpandingFlags = expandingFlags;
if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack))
expandingFlags |= 1;
if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack))
expandingFlags |= 2;
if (expandingFlags === 3) {
var result = 1 /* Maybe */;
}
else {
var result = propertiesRelatedTo(source, target, reportErrors);
if (result) {
result &= signaturesRelatedTo(source, target, 0 /* Call */, reportErrors);
if (result) {
result &= signaturesRelatedTo(source, target, 1 /* Construct */, reportErrors);
if (result) {
result &= stringIndexTypesRelatedTo(source, target, reportErrors);
if (result) {
result &= numberIndexTypesRelatedTo(source, target, reportErrors);
}
}
}
}
}
expandingFlags = saveExpandingFlags;
depth--;
if (result) {
var maybeCache = maybeStack[depth];
var destinationCache = result === -1 /* True */ || depth === 0 ? relation : maybeStack[depth - 1];
for (var p in maybeCache) {
destinationCache[p] = maybeCache[p];
}
}
else {
relation[id] = false;
}
return result;
}
function isDeeplyNestedGeneric(type, stack) {
if (type.flags & 4096 /* Reference */ && depth >= 10) {
var target = type.target;
var count = 0;
for (var i = 0; i < depth; i++) {
var t = stack[i];
if (t.flags & 4096 /* Reference */ && t.target === target) {
count++;
if (count >= 10)
return true;
}
}
}
return false;
}
function propertiesRelatedTo(source, target, reportErrors) {
if (relation === identityRelation) {
return propertiesIdenticalTo(source, target);
}
var result = -1 /* True */;
var properties = getPropertiesOfObjectType(target);
for (var i = 0; i < properties.length; i++) {
var targetProp = properties[i];
var sourceProp = getPropertyOfType(source, targetProp.name);
if (sourceProp !== targetProp) {
if (!sourceProp) {
if (relation === subtypeRelation || !isOptionalProperty(targetProp)) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source));
}
return 0 /* False */;
}
}
else if (!(targetProp.flags & 536870912 /* Prototype */)) {
var sourceFlags = getDeclarationFlagsFromSymbol(sourceProp);
var targetFlags = getDeclarationFlagsFromSymbol(targetProp);
if (sourceFlags & 32 /* Private */ || targetFlags & 32 /* Private */) {
if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) {
if (reportErrors) {
if (sourceFlags & 32 /* Private */ && targetFlags & 32 /* Private */) {
reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp));
}
else {
reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourceFlags & 32 /* Private */ ? source : target), typeToString(sourceFlags & 32 /* Private */ ? target : source));
}
}
return 0 /* False */;
}
}
else if (targetFlags & 64 /* Protected */) {
var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32 /* Class */;
var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(sourceProp.parent) : undefined;
var targetClass = getDeclaredTypeOfSymbol(targetProp.parent);
if (!sourceClass || !hasBaseType(sourceClass, targetClass)) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass));
}
return 0 /* False */;
}
}
else if (sourceFlags & 64 /* Protected */) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target));
}
return 0 /* False */;
}
var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors);
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp));
}
return 0 /* False */;
}
result &= related;
if (isOptionalProperty(sourceProp) && !isOptionalProperty(targetProp)) {
if (reportErrors) {
reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target));
}
return 0 /* False */;
}
}
}
}
return result;
}
function propertiesIdenticalTo(source, target) {
var sourceProperties = getPropertiesOfObjectType(source);
var targetProperties = getPropertiesOfObjectType(target);
if (sourceProperties.length !== targetProperties.length) {
return 0 /* False */;
}
var result = -1 /* True */;
for (var i = 0, len = sourceProperties.length; i < len; ++i) {
var sourceProp = sourceProperties[i];
var targetProp = getPropertyOfObjectType(target, sourceProp.name);
if (!targetProp) {
return 0 /* False */;
}
var related = compareProperties(sourceProp, targetProp, isRelatedTo);
if (!related) {
return 0 /* False */;
}
result &= related;
}
return result;
}
function signaturesRelatedTo(source, target, kind, reportErrors) {
if (relation === identityRelation) {
return signaturesIdenticalTo(source, target, kind);
}
if (target === anyFunctionType || source === anyFunctionType) {
return -1 /* True */;
}
var sourceSignatures = getSignaturesOfType(source, kind);
var targetSignatures = getSignaturesOfType(target, kind);
var result = -1 /* True */;
var saveErrorInfo = errorInfo;
outer: for (var i = 0; i < targetSignatures.length; i++) {
var t = targetSignatures[i];
if (!t.hasStringLiterals || target.flags & 65536 /* FromSignature */) {
var localErrors = reportErrors;
for (var j = 0; j < sourceSignatures.length; j++) {
var s = sourceSignatures[j];
if (!s.hasStringLiterals || source.flags & 65536 /* FromSignature */) {
var related = signatureRelatedTo(s, t, localErrors);
if (related) {
result &= related;
errorInfo = saveErrorInfo;
continue outer;
}
localErrors = false;
}
}
return 0 /* False */;
}
}
return result;
}
function signatureRelatedTo(source, target, reportErrors) {
if (source === target) {
return -1 /* True */;
}
if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) {
return 0 /* False */;
}
var sourceMax = source.parameters.length;
var targetMax = target.parameters.length;
var checkCount;
if (source.hasRestParameter && target.hasRestParameter) {
checkCount = sourceMax > targetMax ? sourceMax : targetMax;
sourceMax--;
targetMax--;
}
else if (source.hasRestParameter) {
sourceMax--;
checkCount = targetMax;
}
else if (target.hasRestParameter) {
targetMax--;
checkCount = sourceMax;
}
else {
checkCount = sourceMax < targetMax ? sourceMax : targetMax;
}
source = getErasedSignature(source);
target = getErasedSignature(target);
var result = -1 /* True */;
for (var i = 0; i < checkCount; i++) {
var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source);
var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target);
var saveErrorInfo = errorInfo;
var related = isRelatedTo(s, t, reportErrors);
if (!related) {
related = isRelatedTo(t, s, false);
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, source.parameters[i < sourceMax ? i : sourceMax].name, target.parameters[i < targetMax ? i : targetMax].name);
}
return 0 /* False */;
}
errorInfo = saveErrorInfo;
}
result &= related;
}
var t = getReturnTypeOfSignature(target);
if (t === voidType)
return result;
var s = getReturnTypeOfSignature(source);
return result & isRelatedTo(s, t, reportErrors);
}
function signaturesIdenticalTo(source, target, kind) {
var sourceSignatures = getSignaturesOfType(source, kind);
var targetSignatures = getSignaturesOfType(target, kind);
if (sourceSignatures.length !== targetSignatures.length) {
return 0 /* False */;
}
var result = -1 /* True */;
for (var i = 0, len = sourceSignatures.length; i < len; ++i) {
var related = compareSignatures(sourceSignatures[i], targetSignatures[i], true, isRelatedTo);
if (!related) {
return 0 /* False */;
}
result &= related;
}
return result;
}
function stringIndexTypesRelatedTo(source, target, reportErrors) {
if (relation === identityRelation) {
return indexTypesIdenticalTo(0 /* String */, source, target);
}
var targetType = getIndexTypeOfType(target, 0 /* String */);
if (targetType) {
var sourceType = getIndexTypeOfType(source, 0 /* String */);
if (!sourceType) {
if (reportErrors) {
reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source));
}
return 0 /* False */;
}
var related = isRelatedTo(sourceType, targetType, reportErrors);
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Index_signatures_are_incompatible);
}
return 0 /* False */;
}
return related;
}
return -1 /* True */;
}
function numberIndexTypesRelatedTo(source, target, reportErrors) {
if (relation === identityRelation) {
return indexTypesIdenticalTo(1 /* Number */, source, target);
}
var targetType = getIndexTypeOfType(target, 1 /* Number */);
if (targetType) {
var sourceStringType = getIndexTypeOfType(source, 0 /* String */);
var sourceNumberType = getIndexTypeOfType(source, 1 /* Number */);
if (!(sourceStringType || sourceNumberType)) {
if (reportErrors) {
reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source));
}
return 0 /* False */;
}
if (sourceStringType && sourceNumberType) {
var related = isRelatedTo(sourceStringType, targetType, false) || isRelatedTo(sourceNumberType, targetType, reportErrors);
}
else {
var related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors);
}
if (!related) {
if (reportErrors) {
reportError(ts.Diagnostics.Index_signatures_are_incompatible);
}
return 0 /* False */;
}
return related;
}
return -1 /* True */;
}
function indexTypesIdenticalTo(indexKind, source, target) {
var targetType = getIndexTypeOfType(target, indexKind);
var sourceType = getIndexTypeOfType(source, indexKind);
if (!sourceType && !targetType) {
return -1 /* True */;
}
if (sourceType && targetType) {
return isRelatedTo(sourceType, targetType);
}
return 0 /* False */;
}
}
function isPropertyIdenticalTo(sourceProp, targetProp) {
return compareProperties(sourceProp, targetProp, compareTypes) !== 0 /* False */;
}
function compareProperties(sourceProp, targetProp, compareTypes) {
if (sourceProp === targetProp) {
return -1 /* True */;
}
var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (32 /* Private */ | 64 /* Protected */);
var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (32 /* Private */ | 64 /* Protected */);
if (sourcePropAccessibility !== targetPropAccessibility) {
return 0 /* False */;
}
if (sourcePropAccessibility) {
if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) {
return 0 /* False */;
}
}
else {
if (isOptionalProperty(sourceProp) !== isOptionalProperty(targetProp)) {
return 0 /* False */;
}
}
return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
}
function compareSignatures(source, target, compareReturnTypes, compareTypes) {
if (source === target) {
return -1 /* True */;
}
if (source.parameters.length !== target.parameters.length || source.minArgumentCount !== target.minArgumentCount || source.hasRestParameter !== target.hasRestParameter) {
return 0 /* False */;
}
var result = -1 /* True */;
if (source.typeParameters && target.typeParameters) {
if (source.typeParameters.length !== target.typeParameters.length) {
return 0 /* False */;
}
for (var i = 0, len = source.typeParameters.length; i < len; ++i) {
var related = compareTypes(source.typeParameters[i], target.typeParameters[i]);
if (!related) {
return 0 /* False */;
}
result &= related;
}
}
else if (source.typeParameters || source.typeParameters) {
return 0 /* False */;
}
source = getErasedSignature(source);
target = getErasedSignature(target);
for (var i = 0, len = source.parameters.length; i < len; i++) {
var s = source.hasRestParameter && i === len - 1 ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]);
var t = target.hasRestParameter && i === len - 1 ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]);
var related = compareTypes(s, t);
if (!related) {
return 0 /* False */;
}
result &= related;
}
if (compareReturnTypes) {
result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target));
}
return result;
}
function isSupertypeOfEach(candidate, types) {
for (var i = 0, len = types.length; i < len; i++) {
if (candidate !== types[i] && !isTypeSubtypeOf(types[i], candidate))
return false;
}
return true;
}
function getCommonSupertype(types) {
return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; });
}
function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) {
var bestSupertype;
var bestSupertypeDownfallType;
var bestSupertypeScore = 0;
for (var i = 0; i < types.length; i++) {
var score = 0;
var downfallType = undefined;
for (var j = 0; j < types.length; j++) {
if (isTypeSubtypeOf(types[j], types[i])) {
score++;
}
else if (!downfallType) {
downfallType = types[j];
}
}
if (score > bestSupertypeScore) {
bestSupertype = types[i];
bestSupertypeDownfallType = downfallType;
bestSupertypeScore = score;
}
if (bestSupertypeScore === types.length - 1) {
break;
}
}
checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead);
}
function isTypeOfObjectLiteral(type) {
return (type.flags & 32768 /* Anonymous */) && type.symbol && (type.symbol.flags & 4096 /* ObjectLiteral */) ? true : false;
}
function isArrayType(type) {
return type.flags & 4096 /* Reference */ && type.target === globalArrayType;
}
function getInnermostTypeOfNestedArrayTypes(type) {
while (isArrayType(type)) {
type = type.typeArguments[0];
}
return type;
}
function getWidenedType(type, suppressNoImplicitAnyErrors) {
if (type.flags & (32 /* Undefined */ | 64 /* Null */)) {
return anyType;
}
if (type.flags & 16384 /* Union */) {
return getWidenedTypeOfUnion(type);
}
if (isTypeOfObjectLiteral(type)) {
return getWidenedTypeOfObjectLiteral(type);
}
if (isArrayType(type)) {
return getWidenedTypeOfArrayLiteral(type);
}
return type;
function getWidenedTypeOfUnion(type) {
return getUnionType(ts.map(type.types, function (t) { return getWidenedType(t, suppressNoImplicitAnyErrors); }));
}
function getWidenedTypeOfObjectLiteral(type) {
var properties = getPropertiesOfObjectType(type);
if (properties.length) {
var widenedTypes = [];
var propTypeWasWidened = false;
ts.forEach(properties, function (p) {
var propType = getTypeOfSymbol(p);
var widenedType = getWidenedType(propType);
if (propType !== widenedType) {
propTypeWasWidened = true;
if (!suppressNoImplicitAnyErrors && compilerOptions.noImplicitAny && getInnermostTypeOfNestedArrayTypes(widenedType) === anyType) {
error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(widenedType));
}
}
widenedTypes.push(widenedType);
});
if (propTypeWasWidened) {
var members = {};
var index = 0;
ts.forEach(properties, function (p) {
var symbol = createSymbol(4 /* Property */ | 268435456 /* Transient */ | p.flags, p.name);
symbol.declarations = p.declarations;
symbol.parent = p.parent;
symbol.type = widenedTypes[index++];
symbol.target = p;
if (p.valueDeclaration)
symbol.valueDeclaration = p.valueDeclaration;
members[symbol.name] = symbol;
});
var stringIndexType = getIndexTypeOfType(type, 0 /* String */);
var numberIndexType = getIndexTypeOfType(type, 1 /* Number */);
if (stringIndexType)
stringIndexType = getWidenedType(stringIndexType);
if (numberIndexType)
numberIndexType = getWidenedType(numberIndexType);
type = createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType);
}
}
return type;
}
function getWidenedTypeOfArrayLiteral(type) {
var elementType = type.typeArguments[0];
var widenedType = getWidenedType(elementType, suppressNoImplicitAnyErrors);
type = elementType !== widenedType ? createArrayType(widenedType) : type;
return type;
}
}
function forEachMatchingParameterType(source, target, callback) {
var sourceMax = source.parameters.length;
var targetMax = target.parameters.length;
var count;
if (source.hasRestParameter && target.hasRestParameter) {
count = sourceMax > targetMax ? sourceMax : targetMax;
sourceMax--;
targetMax--;
}
else if (source.hasRestParameter) {
sourceMax--;
count = targetMax;
}
else if (target.hasRestParameter) {
targetMax--;
count = sourceMax;
}
else {
count = sourceMax < targetMax ? sourceMax : targetMax;
}
for (var i = 0; i < count; i++) {
var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source);
var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target);
callback(s, t);
}
}
function createInferenceContext(typeParameters, inferUnionTypes) {
var inferences = [];
for (var i = 0; i < typeParameters.length; i++) {
inferences.push({ primary: undefined, secondary: undefined });
}
return {
typeParameters: typeParameters,
inferUnionTypes: inferUnionTypes,
inferenceCount: 0,
inferences: inferences,
inferredTypes: new Array(typeParameters.length)
};
}
function inferTypes(context, source, target) {
var sourceStack;
var targetStack;
var depth = 0;
var inferiority = 0;
inferFromTypes(source, target);
function isInProcess(source, target) {
for (var i = 0; i < depth; i++) {
if (source === sourceStack[i] && target === targetStack[i])
return true;
}
return false;
}
function isWithinDepthLimit(type, stack) {
if (depth >= 5) {
var target = type.target;
var count = 0;
for (var i = 0; i < depth; i++) {
var t = stack[i];
if (t.flags & 4096 /* Reference */ && t.target === target)
count++;
}
return count < 5;
}
return true;
}
function inferFromTypes(source, target) {
if (target.flags & 512 /* TypeParameter */) {
var typeParameters = context.typeParameters;
for (var i = 0; i < typeParameters.length; i++) {
if (target === typeParameters[i]) {
var inferences = context.inferences[i];
var candidates = inferiority ? inferences.secondary || (inferences.secondary = []) : inferences.primary || (inferences.primary = []);
if (!ts.contains(candidates, source))
candidates.push(source);
break;
}
}
}
else if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) {
var sourceTypes = source.typeArguments;
var targetTypes = target.typeArguments;
for (var i = 0; i < sourceTypes.length; i++) {
inferFromTypes(sourceTypes[i], targetTypes[i]);
}
}
else if (target.flags & 16384 /* Union */) {
var targetTypes = target.types;
var typeParameterCount = 0;
var typeParameter;
for (var i = 0; i < targetTypes.length; i++) {
var t = targetTypes[i];
if (t.flags & 512 /* TypeParameter */ && ts.contains(context.typeParameters, t)) {
typeParameter = t;
typeParameterCount++;
}
else {
inferFromTypes(source, t);
}
}
if (typeParameterCount === 1) {
inferiority++;
inferFromTypes(source, typeParameter);
inferiority--;
}
}
else if (source.flags & 16384 /* Union */) {
var sourceTypes = source.types;
for (var i = 0; i < sourceTypes.length; i++) {
inferFromTypes(sourceTypes[i], target);
}
}
else if (source.flags & 48128 /* ObjectType */ && (target.flags & (4096 /* Reference */ | 8192 /* Tuple */) || (target.flags & 32768 /* Anonymous */) && target.symbol && target.symbol.flags & (8192 /* Method */ | 2048 /* TypeLiteral */))) {
if (!isInProcess(source, target) && isWithinDepthLimit(source, sourceStack) && isWithinDepthLimit(target, targetStack)) {
if (depth === 0) {
sourceStack = [];
targetStack = [];
}
sourceStack[depth] = source;
targetStack[depth] = target;
depth++;
inferFromProperties(source, target);
inferFromSignatures(source, target, 0 /* Call */);
inferFromSignatures(source, target, 1 /* Construct */);
inferFromIndexTypes(source, target, 0 /* String */, 0 /* String */);
inferFromIndexTypes(source, target, 1 /* Number */, 1 /* Number */);
inferFromIndexTypes(source, target, 0 /* String */, 1 /* Number */);
depth--;
}
}
}
function inferFromProperties(source, target) {
var properties = getPropertiesOfObjectType(target);
for (var i = 0; i < properties.length; i++) {
var targetProp = properties[i];
var sourceProp = getPropertyOfObjectType(source, targetProp.name);
if (sourceProp) {
inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp));
}
}
}
function inferFromSignatures(source, target, kind) {
var sourceSignatures = getSignaturesOfType(source, kind);
var targetSignatures = getSignaturesOfType(target, kind);
var sourceLen = sourceSignatures.length;
var targetLen = targetSignatures.length;
var len = sourceLen < targetLen ? sourceLen : targetLen;
for (var i = 0; i < len; i++) {
inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i]));
}
}
function inferFromSignature(source, target) {
forEachMatchingParameterType(source, target, inferFromTypes);
inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target));
}
function inferFromIndexTypes(source, target, sourceKind, targetKind) {
var targetIndexType = getIndexTypeOfType(target, targetKind);
if (targetIndexType) {
var sourceIndexType = getIndexTypeOfType(source, sourceKind);
if (sourceIndexType) {
inferFromTypes(sourceIndexType, targetIndexType);
}
}
}
}
function getInferenceCandidates(context, index) {
var inferences = context.inferences[index];
return inferences.primary || inferences.secondary || emptyArray;
}
function getInferredType(context, index) {
var inferredType = context.inferredTypes[index];
if (!inferredType) {
var inferences = getInferenceCandidates(context, index);
if (inferences.length) {
var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences);
inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : inferenceFailureType;
}
else {
inferredType = emptyObjectType;
}
if (inferredType !== inferenceFailureType) {
var constraint = getConstraintOfTypeParameter(context.typeParameters[index]);
inferredType = constraint && !isTypeAssignableTo(inferredType, constraint) ? constraint : inferredType;
}
context.inferredTypes[index] = inferredType;
}
return inferredType;
}
function getInferredTypes(context) {
for (var i = 0; i < context.inferredTypes.length; i++) {
getInferredType(context, i);
}
return context.inferredTypes;
}
function hasAncestor(node, kind) {
return ts.getAncestor(node, kind) !== undefined;
}
function getResolvedSymbol(node) {
var links = getNodeLinks(node);
if (!links.resolvedSymbol) {
links.resolvedSymbol = (ts.getFullWidth(node) > 0 && resolveName(node, node.text, 107455 /* Value */ | 4194304 /* ExportValue */, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol;
}
return links.resolvedSymbol;
}
function isInTypeQuery(node) {
while (node) {
switch (node.kind) {
case 135 /* TypeQuery */:
return true;
case 63 /* Identifier */:
case 120 /* QualifiedName */:
node = node.parent;
continue;
default:
return false;
}
}
ts.Debug.fail("should not get here");
}
function subtractPrimitiveTypes(type, subtractMask) {
if (type.flags & 16384 /* Union */) {
var types = type.types;
if (ts.forEach(types, function (t) { return t.flags & subtractMask; })) {
return getUnionType(ts.filter(types, function (t) { return !(t.flags & subtractMask); }));
}
}
return type;
}
function isVariableAssignedWithin(symbol, node) {
var links = getNodeLinks(node);
if (links.assignmentChecks) {
var cachedResult = links.assignmentChecks[symbol.id];
if (cachedResult !== undefined) {
return cachedResult;
}
}
else {
links.assignmentChecks = {};
}
return links.assignmentChecks[symbol.id] = isAssignedIn(node);
function isAssignedInBinaryExpression(node) {
if (node.operator >= 51 /* FirstAssignment */ && node.operator <= 62 /* LastAssignment */) {
var n = node.left;
while (n.kind === 149 /* ParenthesizedExpression */) {
n = n.expression;
}
if (n.kind === 63 /* Identifier */ && getResolvedSymbol(n) === symbol) {
return true;
}
}
return ts.forEachChild(node, isAssignedIn);
}
function isAssignedInVariableDeclaration(node) {
if (getSymbolOfNode(node) === symbol && node.initializer) {
return true;
}
return ts.forEachChild(node, isAssignedIn);
}
function isAssignedIn(node) {
switch (node.kind) {
case 157 /* BinaryExpression */:
return isAssignedInBinaryExpression(node);
case 183 /* VariableDeclaration */:
return isAssignedInVariableDeclaration(node);
case 141 /* ArrayLiteralExpression */:
case 142 /* ObjectLiteralExpression */:
case 143 /* PropertyAccessExpression */:
case 144 /* ElementAccessExpression */:
case 145 /* CallExpression */:
case 146 /* NewExpression */:
case 148 /* TypeAssertionExpression */:
case 149 /* ParenthesizedExpression */:
case 155 /* PrefixUnaryExpression */:
case 152 /* DeleteExpression */:
case 153 /* TypeOfExpression */:
case 154 /* VoidExpression */:
case 156 /* PostfixUnaryExpression */:
case 158 /* ConditionalExpression */:
case 163 /* Block */:
case 164 /* VariableStatement */:
case 166 /* ExpressionStatement */:
case 167 /* IfStatement */:
case 168 /* DoStatement */:
case 169 /* WhileStatement */:
case 170 /* ForStatement */:
case 171 /* ForInStatement */:
case 174 /* ReturnStatement */:
case 175 /* WithStatement */:
case 176 /* SwitchStatement */:
case 194 /* CaseClause */:
case 195 /* DefaultClause */:
case 177 /* LabeledStatement */:
case 178 /* ThrowStatement */:
case 179 /* TryStatement */:
case 180 /* TryBlock */:
case 197 /* CatchClause */:
case 181 /* FinallyBlock */:
return ts.forEachChild(node, isAssignedIn);
}
return false;
}
}
function resolveLocation(node) {
var containerNodes = [];
for (var parent = node.parent; parent; parent = parent.parent) {
if ((ts.isExpression(parent) || ts.isObjectLiteralMethod(node)) && isContextSensitive(parent)) {
containerNodes.unshift(parent);
}
}
ts.forEach(containerNodes, function (node) {
getTypeOfNode(node);
});
}
function getSymbolAtLocation(node) {
resolveLocation(node);
return getSymbolInfo(node);
}
function getTypeAtLocation(node) {
resolveLocation(node);
return getTypeOfNode(node);
}
function getTypeOfSymbolAtLocation(symbol, node) {
resolveLocation(node);
return getNarrowedTypeOfSymbol(symbol, node);
}
function getNarrowedTypeOfSymbol(symbol, node) {
var type = getTypeOfSymbol(symbol);
if (node && symbol.flags & 3 /* Variable */ && type.flags & (48128 /* ObjectType */ | 16384 /* Union */ | 512 /* TypeParameter */)) {
loop: while (node.parent) {
var child = node;
node = node.parent;
var narrowedType = type;
switch (node.kind) {
case 167 /* IfStatement */:
if (child !== node.expression) {
narrowedType = narrowType(type, node.expression, child === node.thenStatement);
}
break;
case 158 /* ConditionalExpression */:
if (child !== node.condition) {
narrowedType = narrowType(type, node.condition, child === node.whenTrue);
}
break;
case 157 /* BinaryExpression */:
if (child === node.right) {
if (node.operator === 47 /* AmpersandAmpersandToken */) {
narrowedType = narrowType(type, node.left, true);
}
else if (node.operator === 48 /* BarBarToken */) {
narrowedType = narrowType(type, node.left, false);
}
}
break;
case 201 /* SourceFile */:
case 189 /* ModuleDeclaration */:
case 184 /* FunctionDeclaration */:
case 125 /* Method */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 126 /* Constructor */:
break loop;
}
if (narrowedType !== type && isTypeSubtypeOf(narrowedType, type)) {
if (isVariableAssignedWithin(symbol, node)) {
break;
}
type = narrowedType;
}
}
}
return type;
function narrowTypeByEquality(type, expr, assumeTrue) {
if (expr.left.kind !== 153 /* TypeOfExpression */ || expr.right.kind !== 7 /* StringLiteral */) {
return type;
}
var left = expr.left;
var right = expr.right;
if (left.expression.kind !== 63 /* Identifier */ || getResolvedSymbol(left.expression) !== symbol) {
return type;
}
var t = right.text;
var checkType = t === "string" ? stringType : t === "number" ? numberType : t === "boolean" ? booleanType : emptyObjectType;
if (expr.operator === 30 /* ExclamationEqualsEqualsToken */) {
assumeTrue = !assumeTrue;
}
if (assumeTrue) {
return checkType === emptyObjectType ? subtractPrimitiveTypes(type, 2 /* String */ | 4 /* Number */ | 8 /* Boolean */) : checkType;
}
else {
return checkType === emptyObjectType ? type : subtractPrimitiveTypes(type, checkType.flags);
}
}
function narrowTypeByAnd(type, expr, assumeTrue) {
if (assumeTrue) {
return narrowType(narrowType(type, expr.left, true), expr.right, true);
}
else {
return getUnionType([
narrowType(type, expr.left, false),
narrowType(narrowType(type, expr.left, true), expr.right, false)
]);
}
}
function narrowTypeByOr(type, expr, assumeTrue) {
if (assumeTrue) {
return getUnionType([
narrowType(type, expr.left, true),
narrowType(narrowType(type, expr.left, false), expr.right, true)
]);
}
else {
return narrowType(narrowType(type, expr.left, false), expr.right, false);
}
}
function narrowTypeByInstanceof(type, expr, assumeTrue) {
if (!assumeTrue || expr.left.kind !== 63 /* Identifier */ || getResolvedSymbol(expr.left) !== symbol) {
return type;
}
var rightType = checkExpression(expr.right);
if (!isTypeSubtypeOf(rightType, globalFunctionType)) {
return type;
}
var prototypeProperty = getPropertyOfType(rightType, "prototype");
if (!prototypeProperty) {
return type;
}
var prototypeType = getTypeOfSymbol(prototypeProperty);
return isTypeSubtypeOf(prototypeType, type) ? prototypeType : type;
}
function narrowType(type, expr, assumeTrue) {
switch (expr.kind) {
case 149 /* ParenthesizedExpression */:
return narrowType(type, expr.expression, assumeTrue);
case 157 /* BinaryExpression */:
var operator = expr.operator;
if (operator === 29 /* EqualsEqualsEqualsToken */ || operator === 30 /* ExclamationEqualsEqualsToken */) {
return narrowTypeByEquality(type, expr, assumeTrue);
}
else if (operator === 47 /* AmpersandAmpersandToken */) {
return narrowTypeByAnd(type, expr, assumeTrue);
}
else if (operator === 48 /* BarBarToken */) {
return narrowTypeByOr(type, expr, assumeTrue);
}
else if (operator === 85 /* InstanceOfKeyword */) {
return narrowTypeByInstanceof(type, expr, assumeTrue);
}
break;
case 155 /* PrefixUnaryExpression */:
if (expr.operator === 45 /* ExclamationToken */) {
return narrowType(type, expr.operand, !assumeTrue);
}
break;
}
return type;
}
}
function checkIdentifier(node) {
var symbol = getResolvedSymbol(node);
if (symbol.flags & 33554432 /* Import */) {
getSymbolLinks(symbol).referenced = getSymbolLinks(symbol).referenced || (!isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveImport(symbol)));
}
checkCollisionWithCapturedSuperVariable(node, node);
checkCollisionWithCapturedThisVariable(node, node);
checkCollisionWithIndexVariableInGeneratedCode(node, node);
return getNarrowedTypeOfSymbol(getExportSymbolOfValueSymbolIfExported(symbol), node);
}
function captureLexicalThis(node, container) {
var classNode = container.parent && container.parent.kind === 185 /* ClassDeclaration */ ? container.parent : undefined;
getNodeLinks(node).flags |= 2 /* LexicalThis */;
if (container.kind === 124 /* Property */ || container.kind === 126 /* Constructor */) {
getNodeLinks(classNode).flags |= 4 /* CaptureThis */;
}
else {
getNodeLinks(container).flags |= 4 /* CaptureThis */;
}
}
function checkThisExpression(node) {
var container = ts.getThisContainer(node, true);
var needToCaptureLexicalThis = false;
if (container.kind === 151 /* ArrowFunction */) {
container = ts.getThisContainer(container, false);
needToCaptureLexicalThis = true;
}
switch (container.kind) {
case 189 /* ModuleDeclaration */:
error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_body);
break;
case 188 /* EnumDeclaration */:
error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location);
break;
case 126 /* Constructor */:
if (isInConstructorArgumentInitializer(node, container)) {
error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments);
}
break;
case 124 /* Property */:
if (container.flags & 128 /* Static */) {
error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer);
}
break;
}
if (needToCaptureLexicalThis) {
captureLexicalThis(node, container);
}
var classNode = container.parent && container.parent.kind === 185 /* ClassDeclaration */ ? container.parent : undefined;
if (classNode) {
var symbol = getSymbolOfNode(classNode);
return container.flags & 128 /* Static */ ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol);
}
return anyType;
}
function getSuperContainer(node) {
while (true) {
node = node.parent;
if (!node)
return node;
switch (node.kind) {
case 184 /* FunctionDeclaration */:
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
case 124 /* Property */:
case 125 /* Method */:
case 126 /* Constructor */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
return node;
}
}
}
function isInConstructorArgumentInitializer(node, constructorDecl) {
for (var n = node; n && n !== constructorDecl; n = n.parent) {
if (n.kind === 123 /* Parameter */) {
return true;
}
}
return false;
}
function checkSuperExpression(node) {
var isCallExpression = node.parent.kind === 145 /* CallExpression */ && node.parent.expression === node;
var enclosingClass = ts.getAncestor(node, 185 /* ClassDeclaration */);
var baseClass;
if (enclosingClass && ts.getClassBaseTypeNode(enclosingClass)) {
var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClass));
baseClass = classType.baseTypes.length && classType.baseTypes[0];
}
if (!baseClass) {
error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class);
return unknownType;
}
var container = getSuperContainer(node);
if (container) {
var canUseSuperExpression = false;
if (isCallExpression) {
canUseSuperExpression = container.kind === 126 /* Constructor */;
}
else {
var needToCaptureLexicalThis = false;
while (container && container.kind === 151 /* ArrowFunction */) {
container = getSuperContainer(container);
needToCaptureLexicalThis = true;
}
if (container && container.parent && container.parent.kind === 185 /* ClassDeclaration */) {
if (container.flags & 128 /* Static */) {
canUseSuperExpression = container.kind === 125 /* Method */ || container.kind === 127 /* GetAccessor */ || container.kind === 128 /* SetAccessor */;
}
else {
canUseSuperExpression = container.kind === 125 /* Method */ || container.kind === 127 /* GetAccessor */ || container.kind === 128 /* SetAccessor */ || container.kind === 124 /* Property */ || container.kind === 126 /* Constructor */;
}
}
}
if (canUseSuperExpression) {
var returnType;
if ((container.flags & 128 /* Static */) || isCallExpression) {
getNodeLinks(node).flags |= 32 /* SuperStatic */;
returnType = getTypeOfSymbol(baseClass.symbol);
}
else {
getNodeLinks(node).flags |= 16 /* SuperInstance */;
returnType = baseClass;
}
if (container.kind === 126 /* Constructor */ && isInConstructorArgumentInitializer(node, container)) {
error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments);
returnType = unknownType;
}
if (!isCallExpression && needToCaptureLexicalThis) {
captureLexicalThis(node.parent, container);
}
return returnType;
}
}
if (isCallExpression) {
error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors);
}
else {
error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class);
}
return unknownType;
}
function getContextuallyTypedParameterType(parameter) {
if (isFunctionExpressionOrArrowFunction(parameter.parent)) {
var func = parameter.parent;
if (isContextSensitive(func)) {
var contextualSignature = getContextualSignature(func);
if (contextualSignature) {
var funcHasRestParameters = ts.hasRestParameters(func);
var len = func.parameters.length - (funcHasRestParameters ? 1 : 0);
var indexOfParameter = ts.indexOf(func.parameters, parameter);
if (indexOfParameter < len) {
return getTypeAtPosition(contextualSignature, indexOfParameter);
}
if (indexOfParameter === (func.parameters.length - 1) && funcHasRestParameters && contextualSignature.hasRestParameter && func.parameters.length >= contextualSignature.parameters.length) {
return getTypeOfSymbol(contextualSignature.parameters[contextualSignature.parameters.length - 1]);
}
}
}
}
return undefined;
}
function getContextualTypeForInitializerExpression(node) {
var declaration = node.parent;
if (node === declaration.initializer) {
if (declaration.type) {
return getTypeFromTypeNode(declaration.type);
}
if (declaration.kind === 123 /* Parameter */) {
return getContextuallyTypedParameterType(declaration);
}
}
return undefined;
}
function getContextualTypeForReturnExpression(node) {
var func = ts.getContainingFunction(node);
if (func) {
if (func.type || func.kind === 126 /* Constructor */ || func.kind === 127 /* GetAccessor */ && getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(func.symbol, 128 /* SetAccessor */))) {
return getReturnTypeOfSignature(getSignatureFromDeclaration(func));
}
var signature = getContextualSignatureForFunctionLikeDeclaration(func);
if (signature) {
return getReturnTypeOfSignature(signature);
}
}
return undefined;
}
function getContextualTypeForArgument(callTarget, arg) {
var args = getEffectiveCallArguments(callTarget);
var argIndex = ts.indexOf(args, arg);
if (argIndex >= 0) {
var signature = getResolvedSignature(callTarget);
return getTypeAtPosition(signature, argIndex);
}
return undefined;
}
function getContextualTypeForSubstitutionExpression(template, substitutionExpression) {
if (template.parent.kind === 147 /* TaggedTemplateExpression */) {
return getContextualTypeForArgument(template.parent, substitutionExpression);
}
return undefined;
}
function getContextualTypeForBinaryOperand(node) {
var binaryExpression = node.parent;
var operator = binaryExpression.operator;
if (operator >= 51 /* FirstAssignment */ && operator <= 62 /* LastAssignment */) {
if (node === binaryExpression.right) {
return checkExpression(binaryExpression.left);
}
}
else if (operator === 48 /* BarBarToken */) {
var type = getContextualType(binaryExpression);
if (!type && node === binaryExpression.right) {
type = checkExpression(binaryExpression.left);
}
return type;
}
return undefined;
}
function applyToContextualType(type, mapper) {
if (!(type.flags & 16384 /* Union */)) {
return mapper(type);
}
var types = type.types;
var mappedType;
var mappedTypes;
for (var i = 0; i < types.length; i++) {
var t = mapper(types[i]);
if (t) {
if (!mappedType) {
mappedType = t;
}
else if (!mappedTypes) {
mappedTypes = [mappedType, t];
}
else {
mappedTypes.push(t);
}
}
}
return mappedTypes ? getUnionType(mappedTypes) : mappedType;
}
function getTypeOfPropertyOfContextualType(type, name) {
return applyToContextualType(type, function (t) {
var prop = getPropertyOfObjectType(t, name);
return prop ? getTypeOfSymbol(prop) : undefined;
});
}
function getIndexTypeOfContextualType(type, kind) {
return applyToContextualType(type, function (t) { return getIndexTypeOfObjectOrUnionType(t, kind); });
}
function contextualTypeIsTupleType(type) {
return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, function (t) { return getPropertyOfObjectType(t, "0"); }) : getPropertyOfObjectType(type, "0"));
}
function contextualTypeHasIndexSignature(type, kind) {
return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, function (t) { return getIndexTypeOfObjectOrUnionType(t, kind); }) : getIndexTypeOfObjectOrUnionType(type, kind));
}
function getContextualTypeForObjectLiteralMethod(node) {
ts.Debug.assert(ts.isObjectLiteralMethod(node));
if (isInsideWithStatementBody(node)) {
return undefined;
}
return getContextualTypeForObjectLiteralElement(node);
}
function getContextualTypeForObjectLiteralElement(element) {
var objectLiteral = element.parent;
var type = getContextualType(objectLiteral);
var name = element.name.text;
if (type && name) {
return getTypeOfPropertyOfContextualType(type, name) || isNumericName(name) && getIndexTypeOfContextualType(type, 1 /* Number */) || getIndexTypeOfContextualType(type, 0 /* String */);
}
return undefined;
}
function getContextualTypeForElementExpression(node) {
var arrayLiteral = node.parent;
var type = getContextualType(arrayLiteral);
if (type) {
var index = ts.indexOf(arrayLiteral.elements, node);
return getTypeOfPropertyOfContextualType(type, "" + index) || getIndexTypeOfContextualType(type, 1 /* Number */);
}
return undefined;
}
function getContextualTypeForConditionalOperand(node) {
var conditional = node.parent;
return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined;
}
function getContextualType(node) {
if (isInsideWithStatementBody(node)) {
return undefined;
}
if (node.contextualType) {
return node.contextualType;
}
var parent = node.parent;
switch (parent.kind) {
case 183 /* VariableDeclaration */:
case 123 /* Parameter */:
case 124 /* Property */:
return getContextualTypeForInitializerExpression(node);
case 151 /* ArrowFunction */:
case 174 /* ReturnStatement */:
return getContextualTypeForReturnExpression(node);
case 145 /* CallExpression */:
case 146 /* NewExpression */:
return getContextualTypeForArgument(parent, node);
case 148 /* TypeAssertionExpression */:
return getTypeFromTypeNode(parent.type);
case 157 /* BinaryExpression */:
return getContextualTypeForBinaryOperand(node);
case 198 /* PropertyAssignment */:
return getContextualTypeForObjectLiteralElement(parent);
case 141 /* ArrayLiteralExpression */:
return getContextualTypeForElementExpression(node);
case 158 /* ConditionalExpression */:
return getContextualTypeForConditionalOperand(node);
case 162 /* TemplateSpan */:
ts.Debug.assert(parent.parent.kind === 159 /* TemplateExpression */);
return getContextualTypeForSubstitutionExpression(parent.parent, node);
}
return undefined;
}
function getNonGenericSignature(type) {
var signatures = getSignaturesOfObjectOrUnionType(type, 0 /* Call */);
if (signatures.length === 1) {
var signature = signatures[0];
if (!signature.typeParameters) {
return signature;
}
}
}
function isFunctionExpressionOrArrowFunction(node) {
return node.kind === 150 /* FunctionExpression */ || node.kind === 151 /* ArrowFunction */;
}
function getContextualSignatureForFunctionLikeDeclaration(node) {
return isFunctionExpressionOrArrowFunction(node) ? getContextualSignature(node) : undefined;
}
function getContextualSignature(node) {
ts.Debug.assert(node.kind !== 125 /* Method */ || ts.isObjectLiteralMethod(node));
var type = ts.isObjectLiteralMethod(node) ? getContextualTypeForObjectLiteralMethod(node) : getContextualType(node);
if (!type) {
return undefined;
}
if (!(type.flags & 16384 /* Union */)) {
return getNonGenericSignature(type);
}
var signatureList;
var types = type.types;
for (var i = 0; i < types.length; i++) {
if (signatureList && getSignaturesOfObjectOrUnionType(types[i], 0 /* Call */).length > 1) {
return undefined;
}
var signature = getNonGenericSignature(types[i]);
if (signature) {
if (!signatureList) {
signatureList = [signature];
}
else if (!compareSignatures(signatureList[0], signature, false, compareTypes)) {
return undefined;
}
else {
signatureList.push(signature);
}
}
}
var result;
if (signatureList) {
result = cloneSignature(signatureList[0]);
result.resolvedReturnType = undefined;
result.unionSignatures = signatureList;
}
return result;
}
function isInferentialContext(mapper) {
return mapper && mapper !== identityMapper;
}
function checkArrayLiteral(node, contextualMapper) {
var elements = node.elements;
if (!elements.length) {
return createArrayType(undefinedType);
}
var elementTypes = ts.map(elements, function (e) { return checkExpression(e, contextualMapper); });
var contextualType = getContextualType(node);
if (contextualType && contextualTypeIsTupleType(contextualType)) {
return createTupleType(elementTypes);
}
return createArrayType(getUnionType(elementTypes));
}
function isNumericName(name) {
return (+name).toString() === name;
}
function checkObjectLiteral(node, contextualMapper) {
var members = node.symbol.members;
var properties = {};
var contextualType = getContextualType(node);
for (var id in members) {
if (ts.hasProperty(members, id)) {
var member = members[id];
if (member.flags & 4 /* Property */ || ts.isObjectLiteralMethod(member.declarations[0])) {
var memberDecl = member.declarations[0];
var type;
if (memberDecl.kind === 198 /* PropertyAssignment */) {
type = checkExpression(memberDecl.initializer, contextualMapper);
}
else if (memberDecl.kind === 125 /* Method */) {
type = checkObjectLiteralMethod(memberDecl, contextualMapper);
}
else {
ts.Debug.assert(memberDecl.kind === 199 /* ShorthandPropertyAssignment */);
type = memberDecl.name.kind === 121 /* ComputedPropertyName */ ? unknownType : checkExpression(memberDecl.name, contextualMapper);
}
var prop = createSymbol(4 /* Property */ | 268435456 /* Transient */ | member.flags, member.name);
prop.declarations = member.declarations;
prop.parent = member.parent;
if (member.valueDeclaration) {
prop.valueDeclaration = member.valueDeclaration;
}
prop.type = type;
prop.target = member;
member = prop;
}
else {
var getAccessor = ts.getDeclarationOfKind(member, 127 /* GetAccessor */);
if (getAccessor) {
checkAccessorDeclaration(getAccessor);
}
var setAccessor = ts.getDeclarationOfKind(member, 128 /* SetAccessor */);
if (setAccessor) {
checkAccessorDeclaration(setAccessor);
}
}
properties[member.name] = member;
}
}
var stringIndexType = getIndexType(0 /* String */);
var numberIndexType = getIndexType(1 /* Number */);
return createAnonymousType(node.symbol, properties, emptyArray, emptyArray, stringIndexType, numberIndexType);
function getIndexType(kind) {
if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) {
var propTypes = [];
for (var id in properties) {
if (ts.hasProperty(properties, id)) {
if (kind === 0 /* String */ || isNumericName(id)) {
var type = getTypeOfSymbol(properties[id]);
if (!ts.contains(propTypes, type)) {
propTypes.push(type);
}
}
}
}
return propTypes.length ? getUnionType(propTypes) : undefinedType;
}
return undefined;
}
}
function getDeclarationKindFromSymbol(s) {
return s.valueDeclaration ? s.valueDeclaration.kind : 124 /* Property */;
}
function getDeclarationFlagsFromSymbol(s) {
return s.valueDeclaration ? s.valueDeclaration.flags : s.flags & 536870912 /* Prototype */ ? 16 /* Public */ | 128 /* Static */ : 0;
}
function checkClassPropertyAccess(node, left, type, prop) {
var flags = getDeclarationFlagsFromSymbol(prop);
if (!(flags & (32 /* Private */ | 64 /* Protected */))) {
return;
}
var enclosingClassDeclaration = ts.getAncestor(node, 185 /* ClassDeclaration */);
var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined;
var declaringClass = getDeclaredTypeOfSymbol(prop.parent);
if (flags & 32 /* Private */) {
if (declaringClass !== enclosingClass) {
error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass));
}
return;
}
if (left.kind === 89 /* SuperKeyword */) {
return;
}
if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) {
error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass));
return;
}
if (flags & 128 /* Static */) {
return;
}
if (!(getTargetType(type).flags & (1024 /* Class */ | 2048 /* Interface */) && hasBaseType(type, enclosingClass))) {
error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass));
}
}
function checkPropertyAccessExpression(node) {
return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name);
}
function checkQualifiedName(node) {
return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right);
}
function checkPropertyAccessExpressionOrQualifiedName(node, left, right) {
var type = checkExpressionOrQualifiedName(left);
if (type === unknownType)
return type;
if (type !== anyType) {
var apparentType = getApparentType(getWidenedType(type));
if (apparentType === unknownType) {
return unknownType;
}
var prop = getPropertyOfType(apparentType, right.text);
if (!prop) {
if (right.text) {
error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type));
}
return unknownType;
}
getNodeLinks(node).resolvedSymbol = prop;
if (prop.parent && prop.parent.flags & 32 /* Class */) {
if (left.kind === 89 /* SuperKeyword */ && getDeclarationKindFromSymbol(prop) !== 125 /* Method */) {
error(right, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword);
}
else {
checkClassPropertyAccess(node, left, type, prop);
}
}
return getTypeOfSymbol(prop);
}
return anyType;
}
function isValidPropertyAccess(node, propertyName) {
var left = node.kind === 143 /* PropertyAccessExpression */ ? node.expression : node.left;
var type = checkExpressionOrQualifiedName(left);
if (type !== unknownType && type !== anyType) {
var prop = getPropertyOfType(getWidenedType(type), propertyName);
if (prop && prop.parent && prop.parent.flags & 32 /* Class */) {
if (left.kind === 89 /* SuperKeyword */ && getDeclarationKindFromSymbol(prop) !== 125 /* Method */) {
return false;
}
else {
var diagnosticsCount = diagnostics.length;
checkClassPropertyAccess(node, left, type, prop);
return diagnostics.length === diagnosticsCount;
}
}
}
return true;
}
function checkIndexedAccess(node) {
var objectType = getApparentType(checkExpression(node.expression));
var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType;
if (objectType === unknownType) {
return unknownType;
}
if (isConstEnumObjectType(objectType) && node.argumentExpression && node.argumentExpression.kind !== 7 /* StringLiteral */) {
error(node.argumentExpression, ts.Diagnostics.Index_expression_arguments_in_const_enums_must_be_of_type_string);
}
if (node.argumentExpression) {
if (node.argumentExpression.kind === 7 /* StringLiteral */ || node.argumentExpression.kind === 6 /* NumericLiteral */) {
var name = node.argumentExpression.text;
var prop = getPropertyOfType(objectType, name);
if (prop) {
getNodeLinks(node).resolvedSymbol = prop;
return getTypeOfSymbol(prop);
}
}
}
if (indexType.flags & (1 /* Any */ | 258 /* StringLike */ | 132 /* NumberLike */)) {
if (indexType.flags & (1 /* Any */ | 132 /* NumberLike */)) {
var numberIndexType = getIndexTypeOfType(objectType, 1 /* Number */);
if (numberIndexType) {
return numberIndexType;
}
}
var stringIndexType = getIndexTypeOfType(objectType, 0 /* String */);
if (stringIndexType) {
return stringIndexType;
}
if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && objectType !== anyType) {
error(node, ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type);
}
return anyType;
}
error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_or_any);
return unknownType;
}
function resolveUntypedCall(node) {
if (node.kind === 147 /* TaggedTemplateExpression */) {
checkExpression(node.template);
}
else {
ts.forEach(node.arguments, function (argument) {
checkExpression(argument);
});
}
return anySignature;
}
function resolveErrorCall(node) {
resolveUntypedCall(node);
return unknownSignature;
}
function hasCorrectArity(node, args, signature) {
var adjustedArgCount;
var typeArguments;
var callIsIncomplete;
if (node.kind === 147 /* TaggedTemplateExpression */) {
var tagExpression = node;
adjustedArgCount = args.length;
typeArguments = undefined;
if (tagExpression.template.kind === 159 /* TemplateExpression */) {
var templateExpression = tagExpression.template;
var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans);
ts.Debug.assert(lastSpan !== undefined);
callIsIncomplete = ts.getFullWidth(lastSpan.literal) === 0 || !!lastSpan.literal.isUnterminated;
}
else {
var templateLiteral = tagExpression.template;
ts.Debug.assert(templateLiteral.kind === 9 /* NoSubstitutionTemplateLiteral */);
callIsIncomplete = !!templateLiteral.isUnterminated;
}
}
else {
var callExpression = node;
if (!callExpression.arguments) {
ts.Debug.assert(callExpression.kind === 146 /* NewExpression */);
return signature.minArgumentCount === 0;
}
adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length;
callIsIncomplete = callExpression.arguments.end === callExpression.end;
typeArguments = callExpression.typeArguments;
}
ts.Debug.assert(adjustedArgCount !== undefined, "'adjustedArgCount' undefined");
ts.Debug.assert(callIsIncomplete !== undefined, "'callIsIncomplete' undefined");
return checkArity(adjustedArgCount, typeArguments, callIsIncomplete, signature);
function checkArity(adjustedArgCount, typeArguments, callIsIncomplete, signature) {
if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) {
return false;
}
var hasRightNumberOfTypeArgs = !typeArguments || (signature.typeParameters && typeArguments.length === signature.typeParameters.length);
if (!hasRightNumberOfTypeArgs) {
return false;
}
var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount;
return callIsIncomplete || hasEnoughArguments;
}
}
function getSingleCallSignature(type) {
if (type.flags & 48128 /* ObjectType */) {
var resolved = resolveObjectOrUnionTypeMembers(type);
if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) {
return resolved.callSignatures[0];
}
}
return undefined;
}
function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) {
var context = createInferenceContext(signature.typeParameters, true);
forEachMatchingParameterType(contextualSignature, signature, function (source, target) {
inferTypes(context, instantiateType(source, contextualMapper), target);
});
return getSignatureInstantiation(signature, getInferredTypes(context));
}
function inferTypeArguments(signature, args, excludeArgument) {
var typeParameters = signature.typeParameters;
var context = createInferenceContext(typeParameters, false);
var mapper = createInferenceMapper(context);
for (var i = 0; i < args.length; i++) {
if (args[i].kind === 161 /* OmittedExpression */) {
continue;
}
if (!excludeArgument || excludeArgument[i] === undefined) {
var parameterType = getTypeAtPosition(signature, i);
if (i === 0 && args[i].parent.kind === 147 /* TaggedTemplateExpression */) {
inferTypes(context, globalTemplateStringsArrayType, parameterType);
continue;
}
inferTypes(context, checkExpressionWithContextualType(args[i], parameterType, mapper), parameterType);
}
}
if (excludeArgument) {
for (var i = 0; i < args.length; i++) {
if (args[i].kind === 161 /* OmittedExpression */) {
continue;
}
if (excludeArgument[i] === false) {
var parameterType = getTypeAtPosition(signature, i);
inferTypes(context, checkExpressionWithContextualType(args[i], parameterType, mapper), parameterType);
}
}
}
var inferredTypes = getInferredTypes(context);
context.failedTypeParameterIndex = ts.indexOf(inferredTypes, inferenceFailureType);
for (var i = 0; i < inferredTypes.length; i++) {
if (inferredTypes[i] === inferenceFailureType) {
inferredTypes[i] = unknownType;
}
}
return context;
}
function checkTypeArguments(signature, typeArguments, typeArgumentResultTypes, reportErrors) {
var typeParameters = signature.typeParameters;
var typeArgumentsAreAssignable = true;
for (var i = 0; i < typeParameters.length; i++) {
var typeArgNode = typeArguments[i];
var typeArgument = getTypeFromTypeNode(typeArgNode);
typeArgumentResultTypes[i] = typeArgument;
if (typeArgumentsAreAssignable) {
var constraint = getConstraintOfTypeParameter(typeParameters[i]);
if (constraint) {
typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, constraint, reportErrors ? typeArgNode : undefined, ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1);
}
}
}
return typeArgumentsAreAssignable;
}
function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) {
for (var i = 0; i < args.length; i++) {
var arg = args[i];
var argType;
if (arg.kind === 161 /* OmittedExpression */) {
continue;
}
var paramType = getTypeAtPosition(signature, i);
if (i === 0 && node.kind === 147 /* TaggedTemplateExpression */) {
argType = globalTemplateStringsArrayType;
}
else {
argType = arg.kind === 7 /* StringLiteral */ && !reportErrors ? getStringLiteralType(arg) : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined);
}
var isValidArgument = checkTypeRelatedTo(argType, paramType, relation, reportErrors ? arg : undefined, ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1);
if (!isValidArgument) {
return false;
}
}
return true;
}
function getEffectiveCallArguments(node) {
var args;
if (node.kind === 147 /* TaggedTemplateExpression */) {
var template = node.template;
args = [template];
if (template.kind === 159 /* TemplateExpression */) {
ts.forEach(template.templateSpans, function (span) {
args.push(span.expression);
});
}
}
else {
args = node.arguments || emptyArray;
}
return args;
}
function resolveCall(node, signatures, candidatesOutArray) {
var isTaggedTemplate = node.kind === 147 /* TaggedTemplateExpression */;
var typeArguments = isTaggedTemplate ? undefined : node.typeArguments;
ts.forEach(typeArguments, checkSourceElement);
var candidates = candidatesOutArray || [];
collectCandidates();
if (!candidates.length) {
error(node, ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target);
return resolveErrorCall(node);
}
var args = getEffectiveCallArguments(node);
var excludeArgument;
for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) {
if (isContextSensitive(args[i])) {
if (!excludeArgument) {
excludeArgument = new Array(args.length);
}
excludeArgument[i] = true;
}
}
var candidateForArgumentError;
var candidateForTypeArgumentError;
var resultOfFailedInference;
var result;
if (candidates.length > 1) {
result = chooseOverload(candidates, subtypeRelation);
}
if (!result) {
candidateForArgumentError = undefined;
candidateForTypeArgumentError = undefined;
resultOfFailedInference = undefined;
result = chooseOverload(candidates, assignableRelation);
}
if (result) {
return result;
}
if (candidateForArgumentError) {
checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true);
}
else if (candidateForTypeArgumentError) {
if (!isTaggedTemplate && node.typeArguments) {
checkTypeArguments(candidateForTypeArgumentError, node.typeArguments, [], true);
}
else {
ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0);
var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex];
var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex);
var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter));
reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead);
}
}
else {
error(node, ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target);
}
if (!fullTypeCheck) {
for (var i = 0, n = candidates.length; i < n; i++) {
if (hasCorrectArity(node, args, candidates[i])) {
return candidates[i];
}
}
}
return resolveErrorCall(node);
function chooseOverload(candidates, relation) {
for (var i = 0; i < candidates.length; i++) {
if (!hasCorrectArity(node, args, candidates[i])) {
continue;
}
var originalCandidate = candidates[i];
var inferenceResult;
while (true) {
var candidate = originalCandidate;
if (candidate.typeParameters) {
var typeArgumentTypes;
var typeArgumentsAreValid;
if (typeArguments) {
typeArgumentTypes = new Array(candidate.typeParameters.length);
typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false);
}
else {
inferenceResult = inferTypeArguments(candidate, args, excludeArgument);
typeArgumentsAreValid = inferenceResult.failedTypeParameterIndex < 0;
typeArgumentTypes = inferenceResult.inferredTypes;
}
if (!typeArgumentsAreValid) {
break;
}
candidate = getSignatureInstantiation(candidate, typeArgumentTypes);
}
if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) {
break;
}
var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1;
if (index < 0) {
return candidate;
}
excludeArgument[index] = false;
}
if (originalCandidate.typeParameters) {
var instantiatedCandidate = candidate;
if (typeArgumentsAreValid) {
candidateForArgumentError = instantiatedCandidate;
}
else {
candidateForTypeArgumentError = originalCandidate;
if (!typeArguments) {
resultOfFailedInference = inferenceResult;
}
}
}
else {
ts.Debug.assert(originalCandidate === candidate);
candidateForArgumentError = originalCandidate;
}
}
return undefined;
}
function collectCandidates() {
var result = candidates;
var lastParent;
var lastSymbol;
var cutoffPos = 0;
var pos;
ts.Debug.assert(!result.length);
for (var i = 0; i < signatures.length; i++) {
var signature = signatures[i];
var symbol = signature.declaration && getSymbolOfNode(signature.declaration);
var parent = signature.declaration && signature.declaration.parent;
if (!lastSymbol || symbol === lastSymbol) {
if (lastParent && parent === lastParent) {
pos++;
}
else {
lastParent = parent;
pos = cutoffPos;
}
}
else {
pos = cutoffPos = result.length;
lastParent = parent;
}
lastSymbol = symbol;
for (var j = result.length; j > pos; j--) {
result[j] = result[j - 1];
}
result[pos] = signature;
}
}
}
function resolveCallExpression(node, candidatesOutArray) {
if (node.expression.kind === 89 /* SuperKeyword */) {
var superType = checkSuperExpression(node.expression);
if (superType !== unknownType) {
return resolveCall(node, getSignaturesOfType(superType, 1 /* Construct */), candidatesOutArray);
}
return resolveUntypedCall(node);
}
var funcType = checkExpression(node.expression);
var apparentType = getApparentType(funcType);
if (apparentType === unknownType) {
return resolveErrorCall(node);
}
var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */);
var constructSignatures = getSignaturesOfType(apparentType, 1 /* Construct */);
if (funcType === anyType || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384 /* Union */) && isTypeAssignableTo(funcType, globalFunctionType))) {
if (node.typeArguments) {
error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments);
}
return resolveUntypedCall(node);
}
if (!callSignatures.length) {
if (constructSignatures.length) {
error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType));
}
else {
error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature);
}
return resolveErrorCall(node);
}
return resolveCall(node, callSignatures, candidatesOutArray);
}
function resolveNewExpression(node, candidatesOutArray) {
var expressionType = checkExpression(node.expression);
if (expressionType === anyType) {
if (node.typeArguments) {
error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments);
}
return resolveUntypedCall(node);
}
expressionType = getApparentType(expressionType);
if (expressionType === unknownType) {
return resolveErrorCall(node);
}
var constructSignatures = getSignaturesOfType(expressionType, 1 /* Construct */);
if (constructSignatures.length) {
return resolveCall(node, constructSignatures, candidatesOutArray);
}
var callSignatures = getSignaturesOfType(expressionType, 0 /* Call */);
if (callSignatures.length) {
var signature = resolveCall(node, callSignatures, candidatesOutArray);
if (getReturnTypeOfSignature(signature) !== voidType) {
error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword);
}
return signature;
}
error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature);
return resolveErrorCall(node);
}
function resolveTaggedTemplateExpression(node, candidatesOutArray) {
var tagType = checkExpression(node.tag);
var apparentType = getApparentType(tagType);
if (apparentType === unknownType) {
return resolveErrorCall(node);
}
var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */);
if (tagType === anyType || (!callSignatures.length && !(tagType.flags & 16384 /* Union */) && isTypeAssignableTo(tagType, globalFunctionType))) {
return resolveUntypedCall(node);
}
if (!callSignatures.length) {
error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature);
return resolveErrorCall(node);
}
return resolveCall(node, callSignatures, candidatesOutArray);
}
function getResolvedSignature(node, candidatesOutArray) {
var links = getNodeLinks(node);
if (!links.resolvedSignature || candidatesOutArray) {
links.resolvedSignature = anySignature;
if (node.kind === 145 /* CallExpression */) {
links.resolvedSignature = resolveCallExpression(node, candidatesOutArray);
}
else if (node.kind === 146 /* NewExpression */) {
links.resolvedSignature = resolveNewExpression(node, candidatesOutArray);
}
else if (node.kind === 147 /* TaggedTemplateExpression */) {
links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray);
}
else {
ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable.");
}
}
return links.resolvedSignature;
}
function checkCallExpression(node) {
var signature = getResolvedSignature(node);
if (node.expression.kind === 89 /* SuperKeyword */) {
return voidType;
}
if (node.kind === 146 /* NewExpression */) {
var declaration = signature.declaration;
if (declaration && declaration.kind !== 126 /* Constructor */ && declaration.kind !== 130 /* ConstructSignature */ && declaration.kind !== 134 /* ConstructorType */) {
if (compilerOptions.noImplicitAny) {
error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type);
}
return anyType;
}
}
return getReturnTypeOfSignature(signature);
}
function checkTaggedTemplateExpression(node) {
return getReturnTypeOfSignature(getResolvedSignature(node));
}
function checkTypeAssertion(node) {
var exprType = checkExpression(node.expression);
var targetType = getTypeFromTypeNode(node.type);
if (fullTypeCheck && targetType !== unknownType) {
var widenedType = getWidenedType(exprType, true);
if (!(isTypeAssignableTo(targetType, widenedType))) {
checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other);
}
}
return targetType;
}
function getTypeAtPosition(signature, pos) {
return signature.hasRestParameter ? pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType;
}
function assignContextualParameterTypes(signature, context, mapper) {
var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0);
for (var i = 0; i < len; i++) {
var parameter = signature.parameters[i];
var links = getSymbolLinks(parameter);
links.type = instantiateType(getTypeAtPosition(context, i), mapper);
}
if (signature.hasRestParameter && context.hasRestParameter && signature.parameters.length >= context.parameters.length) {
var parameter = signature.parameters[signature.parameters.length - 1];
var links = getSymbolLinks(parameter);
links.type = instantiateType(getTypeOfSymbol(context.parameters[context.parameters.length - 1]), mapper);
}
}
function getReturnTypeFromBody(func, contextualMapper) {
var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func);
if (func.body.kind !== 163 /* Block */) {
var unwidenedType = checkAndMarkExpression(func.body, contextualMapper);
var widenedType = getWidenedType(unwidenedType);
if (fullTypeCheck && compilerOptions.noImplicitAny && !contextualSignature && widenedType !== unwidenedType && getInnermostTypeOfNestedArrayTypes(widenedType) === anyType) {
error(func, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeToString(widenedType));
}
return widenedType;
}
var types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper);
if (types.length > 0) {
var commonType = contextualSignature ? getUnionType(types) : getCommonSupertype(types);
if (!commonType) {
error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions);
return unknownType;
}
var widenedType = getWidenedType(commonType);
if (fullTypeCheck && compilerOptions.noImplicitAny && !contextualSignature && widenedType !== commonType && getInnermostTypeOfNestedArrayTypes(widenedType) === anyType) {
var typeName = typeToString(widenedType);
if (func.name) {
error(func, ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type, ts.declarationNameToString(func.name), typeName);
}
else {
error(func, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeName);
}
}
return widenedType;
}
return voidType;
}
function checkAndAggregateReturnExpressionTypes(body, contextualMapper) {
var aggregatedTypes = [];
ts.forEachReturnStatement(body, function (returnStatement) {
var expr = returnStatement.expression;
if (expr) {
var type = checkAndMarkExpression(expr, contextualMapper);
if (!ts.contains(aggregatedTypes, type)) {
aggregatedTypes.push(type);
}
}
});
return aggregatedTypes;
}
function bodyContainsAReturnStatement(funcBody) {
return ts.forEachReturnStatement(funcBody, function (returnStatement) {
return true;
});
}
function bodyContainsSingleThrowStatement(body) {
return (body.statements.length === 1) && (body.statements[0].kind === 178 /* ThrowStatement */);
}
function checkIfNonVoidFunctionHasReturnExpressionsOrSingleThrowStatment(func, returnType) {
if (!fullTypeCheck) {
return;
}
if (returnType === voidType || returnType === anyType) {
return;
}
if (!func.body || func.body.kind !== 163 /* Block */) {
return;
}
var bodyBlock = func.body;
if (bodyContainsAReturnStatement(bodyBlock)) {
return;
}
if (bodyContainsSingleThrowStatement(bodyBlock)) {
return;
}
error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_or_consist_of_a_single_throw_statement);
}
function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) {
ts.Debug.assert(node.kind !== 125 /* Method */ || ts.isObjectLiteralMethod(node));
if (contextualMapper === identityMapper) {
return anyFunctionType;
}
var links = getNodeLinks(node);
var type = getTypeOfSymbol(node.symbol);
if (!(links.flags & 64 /* ContextChecked */)) {
var contextualSignature = getContextualSignature(node);
if (!(links.flags & 64 /* ContextChecked */)) {
links.flags |= 64 /* ContextChecked */;
if (contextualSignature) {
var signature = getSignaturesOfType(type, 0 /* Call */)[0];
if (isContextSensitive(node)) {
assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper);
}
if (!node.type) {
signature.resolvedReturnType = resolvingType;
var returnType = getReturnTypeFromBody(node, contextualMapper);
if (signature.resolvedReturnType === resolvingType) {
signature.resolvedReturnType = returnType;
}
}
}
checkSignatureDeclaration(node);
}
}
if (fullTypeCheck && node.kind !== 125 /* Method */) {
checkCollisionWithCapturedSuperVariable(node, node.name);
checkCollisionWithCapturedThisVariable(node, node.name);
}
return type;
}
function checkFunctionExpressionOrObjectLiteralMethodBody(node) {
ts.Debug.assert(node.kind !== 125 /* Method */ || ts.isObjectLiteralMethod(node));
if (node.type) {
checkIfNonVoidFunctionHasReturnExpressionsOrSingleThrowStatment(node, getTypeFromTypeNode(node.type));
}
if (node.body) {
if (node.body.kind === 163 /* Block */) {
checkSourceElement(node.body);
}
else {
var exprType = checkExpression(node.body);
if (node.type) {
checkTypeAssignableTo(exprType, getTypeFromTypeNode(node.type), node.body, undefined);
}
checkFunctionExpressionBodies(node.body);
}
}
}
function checkArithmeticOperandType(operand, type, diagnostic) {
if (!(type.flags & (1 /* Any */ | 132 /* NumberLike */))) {
error(operand, diagnostic);
return false;
}
return true;
}
function checkReferenceExpression(n, invalidReferenceMessage, constantVarianleMessage) {
function findSymbol(n) {
var symbol = getNodeLinks(n).resolvedSymbol;
return symbol && getExportSymbolOfValueSymbolIfExported(symbol);
}
function isReferenceOrErrorExpression(n) {
switch (n.kind) {
case 63 /* Identifier */:
var symbol = findSymbol(n);
return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3 /* Variable */) !== 0;
case 143 /* PropertyAccessExpression */:
var symbol = findSymbol(n);
return !symbol || symbol === unknownSymbol || (symbol.flags & ~8 /* EnumMember */) !== 0;
case 144 /* ElementAccessExpression */:
return true;
case 149 /* ParenthesizedExpression */:
return isReferenceOrErrorExpression(n.expression);
default:
return false;
}
}
function isConstVariableReference(n) {
switch (n.kind) {
case 63 /* Identifier */:
case 143 /* PropertyAccessExpression */:
var symbol = findSymbol(n);
return symbol && (symbol.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 4096 /* Const */) !== 0;
case 144 /* ElementAccessExpression */:
var index = n.argumentExpression;
var symbol = findSymbol(n.expression);
if (symbol && index && index.kind === 7 /* StringLiteral */) {
var name = index.text;
var prop = getPropertyOfType(getTypeOfSymbol(symbol), name);
return prop && (prop.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 4096 /* Const */) !== 0;
}
return false;
case 149 /* ParenthesizedExpression */:
return isConstVariableReference(n.expression);
default:
return false;
}
}
if (!isReferenceOrErrorExpression(n)) {
error(n, invalidReferenceMessage);
return false;
}
if (isConstVariableReference(n)) {
error(n, constantVarianleMessage);
return false;
}
return true;
}
function checkDeleteExpression(node) {
var operandType = checkExpression(node.expression);
return booleanType;
}
function checkTypeOfExpression(node) {
var operandType = checkExpression(node.expression);
return stringType;
}
function checkVoidExpression(node) {
var operandType = checkExpression(node.expression);
return undefinedType;
}
function checkPrefixUnaryExpression(node) {
var operandType = checkExpression(node.operand);
switch (node.operator) {
case 32 /* PlusToken */:
case 33 /* MinusToken */:
case 46 /* TildeToken */:
return numberType;
case 45 /* ExclamationToken */:
return booleanType;
case 37 /* PlusPlusToken */:
case 38 /* MinusMinusToken */:
var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type);
if (ok) {
checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant);
}
return numberType;
}
return unknownType;
}
function checkPostfixUnaryExpression(node) {
var operandType = checkExpression(node.operand);
var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type);
if (ok) {
checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant);
}
return numberType;
}
function isStructuredType(type) {
if (type.flags & 16384 /* Union */) {
return !ts.forEach(type.types, function (t) { return !isStructuredType(t); });
}
return (type.flags & (48128 /* ObjectType */ | 512 /* TypeParameter */)) !== 0;
}
function isConstEnumObjectType(type) {
return type.flags & (48128 /* ObjectType */ | 32768 /* Anonymous */) && type.symbol && isConstEnumSymbol(type.symbol);
}
function isConstEnumSymbol(symbol) {
return (symbol.flags & 128 /* ConstEnum */) !== 0;
}
function checkInstanceOfExpression(node, leftType, rightType) {
if (!(leftType.flags & 1 /* Any */ || isStructuredType(leftType))) {
error(node.left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
}
if (!(rightType.flags & 1 /* Any */ || isTypeSubtypeOf(rightType, globalFunctionType))) {
error(node.right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type);
}
return booleanType;
}
function checkInExpression(node, leftType, rightType) {
if (leftType !== anyType && leftType !== stringType && leftType !== numberType) {
error(node.left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_types_any_string_or_number);
}
if (!(rightType.flags & 1 /* Any */ || isStructuredType(rightType))) {
error(node.right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter);
}
return booleanType;
}
function checkBinaryExpression(node, contextualMapper) {
var operator = node.operator;
var leftType = checkExpression(node.left, contextualMapper);
var rightType = checkExpression(node.right, contextualMapper);
switch (operator) {
case 34 /* AsteriskToken */:
case 54 /* AsteriskEqualsToken */:
case 35 /* SlashToken */:
case 55 /* SlashEqualsToken */:
case 36 /* PercentToken */:
case 56 /* PercentEqualsToken */:
case 33 /* MinusToken */:
case 53 /* MinusEqualsToken */:
case 39 /* LessThanLessThanToken */:
case 57 /* LessThanLessThanEqualsToken */:
case 40 /* GreaterThanGreaterThanToken */:
case 58 /* GreaterThanGreaterThanEqualsToken */:
case 41 /* GreaterThanGreaterThanGreaterThanToken */:
case 59 /* GreaterThanGreaterThanGreaterThanEqualsToken */:
case 43 /* BarToken */:
case 61 /* BarEqualsToken */:
case 44 /* CaretToken */:
case 62 /* CaretEqualsToken */:
case 42 /* AmpersandToken */:
case 60 /* AmpersandEqualsToken */:
if (leftType.flags & (32 /* Undefined */ | 64 /* Null */))
leftType = rightType;
if (rightType.flags & (32 /* Undefined */ | 64 /* Null */))
rightType = leftType;
var suggestedOperator;
if ((leftType.flags & 8 /* Boolean */) && (rightType.flags & 8 /* Boolean */) && (suggestedOperator = getSuggestedBooleanOperator(node.operator)) !== undefined) {
error(node, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(node.operator), ts.tokenToString(suggestedOperator));
}
else {
var leftOk = checkArithmeticOperandType(node.left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type);
var rightOk = checkArithmeticOperandType(node.right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type);
if (leftOk && rightOk) {
checkAssignmentOperator(numberType);
}
}
return numberType;
case 32 /* PlusToken */:
case 52 /* PlusEqualsToken */:
if (leftType.flags & (32 /* Undefined */ | 64 /* Null */))
leftType = rightType;
if (rightType.flags & (32 /* Undefined */ | 64 /* Null */))
rightType = leftType;
var resultType;
if (leftType.flags & 132 /* NumberLike */ && rightType.flags & 132 /* NumberLike */) {
resultType = numberType;
}
else if (leftType.flags & 258 /* StringLike */ || rightType.flags & 258 /* StringLike */) {
resultType = stringType;
}
else if (leftType.flags & 1 /* Any */ || leftType === unknownType || rightType.flags & 1 /* Any */ || rightType === unknownType) {
resultType = anyType;
}
if (!resultType) {
reportOperatorError();
return anyType;
}
if (operator === 52 /* PlusEqualsToken */) {
checkAssignmentOperator(resultType);
}
return resultType;
case 27 /* EqualsEqualsToken */:
case 28 /* ExclamationEqualsToken */:
case 29 /* EqualsEqualsEqualsToken */:
case 30 /* ExclamationEqualsEqualsToken */:
case 23 /* LessThanToken */:
case 24 /* GreaterThanToken */:
case 25 /* LessThanEqualsToken */:
case 26 /* GreaterThanEqualsToken */:
if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) {
reportOperatorError();
}
return booleanType;
case 85 /* InstanceOfKeyword */:
return checkInstanceOfExpression(node, leftType, rightType);
case 84 /* InKeyword */:
return checkInExpression(node, leftType, rightType);
case 47 /* AmpersandAmpersandToken */:
return rightType;
case 48 /* BarBarToken */:
return getUnionType([leftType, rightType]);
case 51 /* EqualsToken */:
checkAssignmentOperator(rightType);
return rightType;
case 22 /* CommaToken */:
return rightType;
}
function getSuggestedBooleanOperator(operator) {
switch (operator) {
case 43 /* BarToken */:
case 61 /* BarEqualsToken */:
return 48 /* BarBarToken */;
case 44 /* CaretToken */:
case 62 /* CaretEqualsToken */:
return 30 /* ExclamationEqualsEqualsToken */;
case 42 /* AmpersandToken */:
case 60 /* AmpersandEqualsToken */:
return 47 /* AmpersandAmpersandToken */;
default:
return undefined;
}
}
function checkAssignmentOperator(valueType) {
if (fullTypeCheck && operator >= 51 /* FirstAssignment */ && operator <= 62 /* LastAssignment */) {
var ok = checkReferenceExpression(node.left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant);
if (ok) {
checkTypeAssignableTo(valueType, leftType, node.left, undefined);
}
}
}
function reportOperatorError() {
error(node, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(node.operator), typeToString(leftType), typeToString(rightType));
}
}
function checkConditionalExpression(node, contextualMapper) {
checkExpression(node.condition);
var type1 = checkExpression(node.whenTrue, contextualMapper);
var type2 = checkExpression(node.whenFalse, contextualMapper);
return getUnionType([type1, type2]);
}
function checkTemplateExpression(node) {
ts.forEach(node.templateSpans, function (templateSpan) {
checkExpression(templateSpan.expression);
});
return stringType;
}
function checkExpressionWithContextualType(node, contextualType, contextualMapper) {
var saveContextualType = node.contextualType;
node.contextualType = contextualType;
var result = checkExpression(node, contextualMapper);
node.contextualType = saveContextualType;
return result;
}
function checkAndMarkExpression(node, contextualMapper) {
var result = checkExpression(node, contextualMapper);
getNodeLinks(node).flags |= 1 /* TypeChecked */;
return result;
}
function checkObjectLiteralMethod(node, contextualMapper) {
var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper);
return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper);
}
function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) {
if (contextualMapper && contextualMapper !== identityMapper) {
var signature = getSingleCallSignature(type);
if (signature && signature.typeParameters) {
var contextualType = getContextualType(node);
if (contextualType) {
var contextualSignature = getSingleCallSignature(contextualType);
if (contextualSignature && !contextualSignature.typeParameters) {
return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper));
}
}
}
}
return type;
}
function checkExpression(node, contextualMapper) {
return checkExpressionOrQualifiedName(node, contextualMapper);
}
function checkExpressionOrQualifiedName(node, contextualMapper) {
var type;
if (node.kind == 120 /* QualifiedName */) {
type = checkQualifiedName(node);
}
else {
var uninstantiatedType = checkExpressionWorker(node, contextualMapper);
type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper);
}
if (isConstEnumObjectType(type)) {
var ok = (node.parent.kind === 143 /* PropertyAccessExpression */ && node.parent.expression === node) || (node.parent.kind === 144 /* ElementAccessExpression */ && node.parent.expression === node) || ((node.kind === 63 /* Identifier */ || node.kind === 120 /* QualifiedName */) && isInRightSideOfImportOrExportAssignment(node));
if (!ok) {
error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment);
}
}
return type;
}
function checkExpressionWorker(node, contextualMapper) {
switch (node.kind) {
case 63 /* Identifier */:
return checkIdentifier(node);
case 91 /* ThisKeyword */:
return checkThisExpression(node);
case 89 /* SuperKeyword */:
return checkSuperExpression(node);
case 87 /* NullKeyword */:
return nullType;
case 93 /* TrueKeyword */:
case 78 /* FalseKeyword */:
return booleanType;
case 6 /* NumericLiteral */:
return numberType;
case 159 /* TemplateExpression */:
return checkTemplateExpression(node);
case 7 /* StringLiteral */:
case 9 /* NoSubstitutionTemplateLiteral */:
return stringType;
case 8 /* RegularExpressionLiteral */:
return globalRegExpType;
case 141 /* ArrayLiteralExpression */:
return checkArrayLiteral(node, contextualMapper);
case 142 /* ObjectLiteralExpression */:
return checkObjectLiteral(node, contextualMapper);
case 143 /* PropertyAccessExpression */:
return checkPropertyAccessExpression(node);
case 144 /* ElementAccessExpression */:
return checkIndexedAccess(node);
case 145 /* CallExpression */:
case 146 /* NewExpression */:
return checkCallExpression(node);
case 147 /* TaggedTemplateExpression */:
return checkTaggedTemplateExpression(node);
case 148 /* TypeAssertionExpression */:
return checkTypeAssertion(node);
case 149 /* ParenthesizedExpression */:
return checkExpression(node.expression);
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper);
case 153 /* TypeOfExpression */:
return checkTypeOfExpression(node);
case 152 /* DeleteExpression */:
return checkDeleteExpression(node);
case 154 /* VoidExpression */:
return checkVoidExpression(node);
case 155 /* PrefixUnaryExpression */:
return checkPrefixUnaryExpression(node);
case 156 /* PostfixUnaryExpression */:
return checkPostfixUnaryExpression(node);
case 157 /* BinaryExpression */:
return checkBinaryExpression(node, contextualMapper);
case 158 /* ConditionalExpression */:
return checkConditionalExpression(node, contextualMapper);
case 161 /* OmittedExpression */:
return undefinedType;
}
return unknownType;
}
function checkTypeParameter(node) {
checkSourceElement(node.constraint);
if (fullTypeCheck) {
checkTypeParameterHasIllegalReferencesInConstraint(node);
checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0);
}
}
function checkParameter(parameterDeclaration) {
checkVariableOrParameterDeclaration(parameterDeclaration);
if (fullTypeCheck) {
checkCollisionWithIndexVariableInGeneratedCode(parameterDeclaration, parameterDeclaration.name);
if (parameterDeclaration.flags & (16 /* Public */ | 32 /* Private */ | 64 /* Protected */) && !(parameterDeclaration.parent.kind === 126 /* Constructor */ && parameterDeclaration.parent.body)) {
error(parameterDeclaration, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation);
}
if (parameterDeclaration.dotDotDotToken) {
if (!isArrayType(getTypeOfSymbol(parameterDeclaration.symbol))) {
error(parameterDeclaration, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type);
}
}
else {
if (parameterDeclaration.initializer && !parameterDeclaration.parent.body) {
error(parameterDeclaration, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation);
}
}
}
function checkReferencesInInitializer(n) {
if (n.kind === 63 /* Identifier */) {
var referencedSymbol = getNodeLinks(n).resolvedSymbol;
if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(parameterDeclaration.parent.locals, referencedSymbol.name, 107455 /* Value */) === referencedSymbol) {
if (referencedSymbol.valueDeclaration.kind === 123 /* Parameter */) {
if (referencedSymbol.valueDeclaration === parameterDeclaration) {
error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(parameterDeclaration.name));
return;
}
var enclosingOrReferencedParameter = ts.forEach(parameterDeclaration.parent.parameters, function (p) { return p === parameterDeclaration || p === referencedSymbol.valueDeclaration ? p : undefined; });
if (enclosingOrReferencedParameter === referencedSymbol.valueDeclaration) {
return;
}
}
error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(parameterDeclaration.name), ts.declarationNameToString(n));
}
}
else {
ts.forEachChild(n, checkReferencesInInitializer);
}
}
if (parameterDeclaration.initializer) {
checkReferencesInInitializer(parameterDeclaration.initializer);
}
}
function checkSignatureDeclaration(node) {
checkTypeParameters(node.typeParameters);
ts.forEach(node.parameters, checkParameter);
if (node.type) {
checkSourceElement(node.type);
}
if (fullTypeCheck) {
checkCollisionWithArgumentsInGeneratedCode(node);
if (compilerOptions.noImplicitAny && !node.type) {
switch (node.kind) {
case 130 /* ConstructSignature */:
error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type);
break;
case 129 /* CallSignature */:
error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type);
break;
}
}
}
checkSpecializedSignatureDeclaration(node);
}
function checkTypeForDuplicateIndexSignatures(node) {
if (node.kind === 186 /* InterfaceDeclaration */) {
var nodeSymbol = getSymbolOfNode(node);
if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) {
return;
}
}
var indexSymbol = getIndexSymbol(getSymbolOfNode(node));
if (indexSymbol) {
var seenNumericIndexer = false;
var seenStringIndexer = false;
for (var i = 0, len = indexSymbol.declarations.length; i < len; ++i) {
var declaration = indexSymbol.declarations[i];
if (declaration.parameters.length == 1 && declaration.parameters[0].type) {
switch (declaration.parameters[0].type.kind) {
case 118 /* StringKeyword */:
if (!seenStringIndexer) {
seenStringIndexer = true;
}
else {
error(declaration, ts.Diagnostics.Duplicate_string_index_signature);
}
break;
case 116 /* NumberKeyword */:
if (!seenNumericIndexer) {
seenNumericIndexer = true;
}
else {
error(declaration, ts.Diagnostics.Duplicate_number_index_signature);
}
break;
}
}
}
}
}
function checkPropertyDeclaration(node) {
if (fullTypeCheck) {
checkVariableOrParameterOrPropertyInFullTypeCheck(node);
}
}
function checkMethodDeclaration(node) {
checkFunctionLikeDeclaration(node);
}
function checkConstructorDeclaration(node) {
checkSignatureDeclaration(node);
checkSourceElement(node.body);
var symbol = getSymbolOfNode(node);
var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind);
if (node === firstDeclaration) {
checkFunctionOrConstructorSymbol(symbol);
}
if (!node.body) {
return;
}
if (!fullTypeCheck) {
return;
}
function isSuperCallExpression(n) {
return n.kind === 145 /* CallExpression */ && n.expression.kind === 89 /* SuperKeyword */;
}
function containsSuperCall(n) {
if (isSuperCallExpression(n)) {
return true;
}
switch (n.kind) {
case 150 /* FunctionExpression */:
case 184 /* FunctionDeclaration */:
case 151 /* ArrowFunction */:
case 142 /* ObjectLiteralExpression */: return false;
default: return ts.forEachChild(n, containsSuperCall);
}
}
function markThisReferencesAsErrors(n) {
if (n.kind === 91 /* ThisKeyword */) {
error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location);
}
else if (n.kind !== 150 /* FunctionExpression */ && n.kind !== 184 /* FunctionDeclaration */) {
ts.forEachChild(n, markThisReferencesAsErrors);
}
}
function isInstancePropertyWithInitializer(n) {
return n.kind === 124 /* Property */ && !(n.flags & 128 /* Static */) && !!n.initializer;
}
if (ts.getClassBaseTypeNode(node.parent)) {
if (containsSuperCall(node.body)) {
var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || ts.forEach(node.parameters, function (p) { return p.flags & (16 /* Public */ | 32 /* Private */ | 64 /* Protected */); });
if (superCallShouldBeFirst) {
var statements = node.body.statements;
if (!statements.length || statements[0].kind !== 166 /* ExpressionStatement */ || !isSuperCallExpression(statements[0].expression)) {
error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties);
}
else {
markThisReferencesAsErrors(statements[0].expression);
}
}
}
else {
error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call);
}
}
}
function checkAccessorDeclaration(node) {
if (fullTypeCheck) {
if (node.kind === 127 /* GetAccessor */) {
if (!ts.isInAmbientContext(node) && node.body && !(bodyContainsAReturnStatement(node.body) || bodyContainsSingleThrowStatement(node.body))) {
error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value_or_consist_of_a_single_throw_statement);
}
}
if (!ts.hasComputedNameButNotSymbol(node)) {
var otherKind = node.kind === 127 /* GetAccessor */ ? 128 /* SetAccessor */ : 127 /* GetAccessor */;
var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind);
if (otherAccessor) {
if (((node.flags & 112 /* AccessibilityModifier */) !== (otherAccessor.flags & 112 /* AccessibilityModifier */))) {
error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility);
}
var currentAccessorType = getAnnotatedAccessorType(node);
var otherAccessorType = getAnnotatedAccessorType(otherAccessor);
if (currentAccessorType && otherAccessorType) {
if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) {
error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type);
}
}
}
checkAndStoreTypeOfAccessors(getSymbolOfNode(node));
}
}
checkFunctionLikeDeclaration(node);
}
function checkTypeReference(node) {
var type = getTypeFromTypeReferenceNode(node);
if (type !== unknownType && node.typeArguments) {
var len = node.typeArguments.length;
for (var i = 0; i < len; i++) {
checkSourceElement(node.typeArguments[i]);
var constraint = getConstraintOfTypeParameter(type.target.typeParameters[i]);
if (fullTypeCheck && constraint) {
var typeArgument = type.typeArguments[i];
checkTypeAssignableTo(typeArgument, constraint, node, ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1);
}
}
}
}
function checkTypeQuery(node) {
getTypeFromTypeQueryNode(node);
}
function checkTypeLiteral(node) {
ts.forEach(node.members, checkSourceElement);
if (fullTypeCheck) {
var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node);
checkIndexConstraints(type);
checkTypeForDuplicateIndexSignatures(node);
}
}
function checkArrayType(node) {
checkSourceElement(node.elementType);
}
function checkTupleType(node) {
ts.forEach(node.elementTypes, checkSourceElement);
}
function checkUnionType(node) {
ts.forEach(node.types, checkSourceElement);
}
function isPrivateWithinAmbient(node) {
return (node.flags & 32 /* Private */) && ts.isInAmbientContext(node);
}
function checkSpecializedSignatureDeclaration(signatureDeclarationNode) {
if (!fullTypeCheck) {
return;
}
var signature = getSignatureFromDeclaration(signatureDeclarationNode);
if (!signature.hasStringLiterals) {
return;
}
if (signatureDeclarationNode.body) {
error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type);
return;
}
var signaturesToCheck;
if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 186 /* InterfaceDeclaration */) {
ts.Debug.assert(signatureDeclarationNode.kind === 129 /* CallSignature */ || signatureDeclarationNode.kind === 130 /* ConstructSignature */);
var signatureKind = signatureDeclarationNode.kind === 129 /* CallSignature */ ? 0 /* Call */ : 1 /* Construct */;
var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent);
var containingType = getDeclaredTypeOfSymbol(containingSymbol);
signaturesToCheck = getSignaturesOfType(containingType, signatureKind);
}
else {
signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode));
}
for (var i = 0; i < signaturesToCheck.length; i++) {
var otherSignature = signaturesToCheck[i];
if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature)) {
return;
}
}
error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature);
}
function getEffectiveDeclarationFlags(n, flagsToCheck) {
var flags = n.flags;
if (n.parent.kind !== 186 /* InterfaceDeclaration */ && ts.isInAmbientContext(n)) {
if (!(flags & 2 /* Ambient */)) {
flags |= 1 /* Export */;
}
flags |= 2 /* Ambient */;
}
return flags & flagsToCheck;
}
function checkFunctionOrConstructorSymbol(symbol) {
if (!fullTypeCheck) {
return;
}
function getCanonicalOverload(overloads, implementation) {
var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent;
return implementationSharesContainerWithFirstOverload ? implementation : overloads[0];
}
function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) {
var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags;
if (someButNotAllOverloadFlags !== 0) {
var canonicalFlags = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck);
ts.forEach(overloads, function (o) {
var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags;
if (deviation & 1 /* Export */) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported);
}
else if (deviation & 2 /* Ambient */) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient);
}
else if (deviation & (32 /* Private */ | 64 /* Protected */)) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected);
}
});
}
}
function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) {
if (someHaveQuestionToken !== allHaveQuestionToken) {
var canonicalHasQuestionToken = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation));
ts.forEach(overloads, function (o) {
var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken;
if (deviation) {
error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required);
}
});
}
}
var flagsToCheck = 1 /* Export */ | 2 /* Ambient */ | 32 /* Private */ | 64 /* Protected */;
var someNodeFlags = 0;
var allNodeFlags = flagsToCheck;
var someHaveQuestionToken = false;
var allHaveQuestionToken = true;
var hasOverloads = false;
var bodyDeclaration;
var lastSeenNonAmbientDeclaration;
var previousDeclaration;
var declarations = symbol.declarations;
var isConstructor = (symbol.flags & 16384 /* Constructor */) !== 0;
function reportImplementationExpectedError(node) {
if (node.name && ts.getFullWidth(node.name) === 0) {
return;
}
var seen = false;
var subsequentNode = ts.forEachChild(node.parent, function (c) {
if (seen) {
return c;
}
else {
seen = c === node;
}
});
if (subsequentNode) {
if (subsequentNode.kind === node.kind) {
var errorNode = subsequentNode.name || subsequentNode;
if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) {
ts.Debug.assert(node.kind === 125 /* Method */);
ts.Debug.assert((node.flags & 128 /* Static */) !== (subsequentNode.flags & 128 /* Static */));
var diagnostic = node.flags & 128 /* Static */ ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static;
error(errorNode, diagnostic);
return;
}
else if (subsequentNode.body) {
error(errorNode, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name));
return;
}
}
}
var errorNode = node.name || node;
if (isConstructor) {
error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing);
}
else {
error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration);
}
}
var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536 /* Module */;
var duplicateFunctionDeclaration = false;
var multipleConstructorImplementation = false;
for (var i = 0; i < declarations.length; i++) {
var node = declarations[i];
var inAmbientContext = ts.isInAmbientContext(node);
var inAmbientContextOrInterface = node.parent.kind === 186 /* InterfaceDeclaration */ || node.parent.kind === 136 /* TypeLiteral */ || inAmbientContext;
if (inAmbientContextOrInterface) {
previousDeclaration = undefined;
}
if (node.kind === 184 /* FunctionDeclaration */ || node.kind === 125 /* Method */ || node.kind === 126 /* Constructor */) {
var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck);
someNodeFlags |= currentNodeFlags;
allNodeFlags &= currentNodeFlags;
someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node);
allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node);
if (node.body && bodyDeclaration) {
if (isConstructor) {
multipleConstructorImplementation = true;
}
else {
duplicateFunctionDeclaration = true;
}
}
else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) {
reportImplementationExpectedError(previousDeclaration);
}
if (node.body) {
if (!bodyDeclaration) {
bodyDeclaration = node;
}
}
else {
hasOverloads = true;
}
previousDeclaration = node;
if (!inAmbientContextOrInterface) {
lastSeenNonAmbientDeclaration = node;
}
}
}
if (multipleConstructorImplementation) {
ts.forEach(declarations, function (declaration) {
error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed);
});
}
if (duplicateFunctionDeclaration) {
ts.forEach(declarations, function (declaration) {
error(declaration.name, ts.Diagnostics.Duplicate_function_implementation);
});
}
if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body) {
reportImplementationExpectedError(lastSeenNonAmbientDeclaration);
}
if (hasOverloads) {
checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags);
checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken);
if (bodyDeclaration) {
var signatures = getSignaturesOfSymbol(symbol);
var bodySignature = getSignatureFromDeclaration(bodyDeclaration);
if (!bodySignature.hasStringLiterals) {
for (var i = 0, len = signatures.length; i < len; ++i) {
if (!signatures[i].hasStringLiterals && !isSignatureAssignableTo(bodySignature, signatures[i])) {
error(signatures[i].declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation);
break;
}
}
}
}
}
}
function checkExportsOnMergedDeclarations(node) {
if (!fullTypeCheck) {
return;
}
var symbol;
var symbol = node.localSymbol;
if (!symbol) {
symbol = getSymbolOfNode(node);
if (!(symbol.flags & 29360128 /* Export */)) {
return;
}
}
if (ts.getDeclarationOfKind(symbol, node.kind) !== node) {
return;
}
var exportedDeclarationSpaces = 0;
var nonExportedDeclarationSpaces = 0;
ts.forEach(symbol.declarations, function (d) {
var declarationSpaces = getDeclarationSpaces(d);
if (getEffectiveDeclarationFlags(d, 1 /* Export */)) {
exportedDeclarationSpaces |= declarationSpaces;
}
else {
nonExportedDeclarationSpaces |= declarationSpaces;
}
});
var commonDeclarationSpace = exportedDeclarationSpaces & nonExportedDeclarationSpaces;
if (commonDeclarationSpace) {
ts.forEach(symbol.declarations, function (d) {
if (getDeclarationSpaces(d) & commonDeclarationSpace) {
error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name));
}
});
}
function getDeclarationSpaces(d) {
switch (d.kind) {
case 186 /* InterfaceDeclaration */:
return 8388608 /* ExportType */;
case 189 /* ModuleDeclaration */:
return d.name.kind === 7 /* StringLiteral */ || ts.getModuleInstanceState(d) !== 0 /* NonInstantiated */ ? 16777216 /* ExportNamespace */ | 4194304 /* ExportValue */ : 16777216 /* ExportNamespace */;
case 185 /* ClassDeclaration */:
case 188 /* EnumDeclaration */:
return 8388608 /* ExportType */ | 4194304 /* ExportValue */;
case 191 /* ImportDeclaration */:
var result = 0;
var target = resolveImport(getSymbolOfNode(d));
ts.forEach(target.declarations, function (d) {
result |= getDeclarationSpaces(d);
});
return result;
default:
return 4194304 /* ExportValue */;
}
}
}
function checkFunctionDeclaration(node) {
checkFunctionLikeDeclaration(node);
if (fullTypeCheck) {
checkCollisionWithCapturedSuperVariable(node, node.name);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
}
}
function checkFunctionLikeDeclaration(node) {
checkSignatureDeclaration(node);
if (!ts.hasComputedNameButNotSymbol(node)) {
var symbol = getSymbolOfNode(node);
var localSymbol = node.localSymbol || symbol;
var firstDeclaration = ts.getDeclarationOfKind(localSymbol, node.kind);
if (node === firstDeclaration) {
checkFunctionOrConstructorSymbol(localSymbol);
}
if (symbol.parent) {
if (ts.getDeclarationOfKind(symbol, node.kind) === node) {
checkFunctionOrConstructorSymbol(symbol);
}
}
}
checkSourceElement(node.body);
if (node.type && !isAccessor(node.kind)) {
checkIfNonVoidFunctionHasReturnExpressionsOrSingleThrowStatment(node, getTypeFromTypeNode(node.type));
}
if (fullTypeCheck && compilerOptions.noImplicitAny && !node.body && !node.type) {
if (!isPrivateWithinAmbient(node)) {
var typeName = typeToString(anyType);
if (node.name) {
error(node, ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type, ts.declarationNameToString(node.name), typeName);
}
else {
error(node, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeName);
}
}
}
}
function checkBlock(node) {
ts.forEach(node.statements, checkSourceElement);
if (ts.isFunctionBlock(node) || node.kind === 190 /* ModuleBlock */) {
checkFunctionExpressionBodies(node);
}
}
function checkCollisionWithArgumentsInGeneratedCode(node) {
if (!ts.hasRestParameters(node) || ts.isInAmbientContext(node) || !node.body) {
return;
}
ts.forEach(node.parameters, function (p) {
if (p.name && p.name.text === argumentsSymbol.name) {
error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters);
}
});
}
function checkCollisionWithIndexVariableInGeneratedCode(node, name) {
if (!(name && name.text === "_i")) {
return;
}
if (node.kind === 123 /* Parameter */) {
if (node.parent.body && ts.hasRestParameters(node.parent) && !ts.isInAmbientContext(node)) {
error(node, ts.Diagnostics.Duplicate_identifier_i_Compiler_uses_i_to_initialize_rest_parameter);
}
return;
}
var symbol = getNodeLinks(node).resolvedSymbol;
if (symbol === unknownSymbol) {
return;
}
var current = node;
while (current) {
var definedOnCurrentLevel = ts.forEach(symbol.declarations, function (d) { return d.parent === current ? d : undefined; });
if (definedOnCurrentLevel) {
return;
}
switch (current.kind) {
case 184 /* FunctionDeclaration */:
case 150 /* FunctionExpression */:
case 125 /* Method */:
case 151 /* ArrowFunction */:
case 126 /* Constructor */:
if (ts.hasRestParameters(current)) {
error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_i_that_compiler_uses_to_initialize_rest_parameter);
return;
}
break;
}
current = current.parent;
}
}
function needCollisionCheckForIdentifier(node, identifier, name) {
if (!identifier || identifier.text !== name) {
return false;
}
if (node.kind === 124 /* Property */ || node.kind === 125 /* Method */ || node.kind === 127 /* GetAccessor */ || node.kind === 128 /* SetAccessor */) {
return false;
}
if (ts.isInAmbientContext(node)) {
return false;
}
if (node.kind === 123 /* Parameter */ && !node.parent.body) {
return false;
}
return true;
}
function checkCollisionWithCapturedThisVariable(node, name) {
if (needCollisionCheckForIdentifier(node, name, "_this")) {
potentialThisCollisions.push(node);
}
}
function checkIfThisIsCapturedInEnclosingScope(node) {
var current = node;
while (current) {
if (getNodeCheckFlags(current) & 4 /* CaptureThis */) {
var isDeclaration = node.kind !== 63 /* Identifier */;
if (isDeclaration) {
error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference);
}
else {
error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference);
}
return;
}
current = current.parent;
}
}
function checkCollisionWithCapturedSuperVariable(node, name) {
if (!needCollisionCheckForIdentifier(node, name, "_super")) {
return;
}
var enclosingClass = ts.getAncestor(node, 185 /* ClassDeclaration */);
if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) {
return;
}
if (ts.getClassBaseTypeNode(enclosingClass)) {
var isDeclaration = node.kind !== 63 /* Identifier */;
if (isDeclaration) {
error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference);
}
else {
error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference);
}
}
}
function checkCollisionWithRequireExportsInGeneratedCode(node, name) {
if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) {
return;
}
if (node.kind === 189 /* ModuleDeclaration */ && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) {
return;
}
var parent = node.kind === 183 /* VariableDeclaration */ ? node.parent.parent : node.parent;
if (parent.kind === 201 /* SourceFile */ && ts.isExternalModule(parent)) {
error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_an_external_module, ts.declarationNameToString(name), ts.declarationNameToString(name));
}
}
function checkCollisionWithConstDeclarations(node) {
if (node.initializer && (node.flags & 6144 /* BlockScoped */) === 0) {
var symbol = getSymbolOfNode(node);
if (symbol.flags & 1 /* FunctionScopedVariable */) {
var localDeclarationSymbol = resolveName(node, node.name.text, 3 /* Variable */, undefined, undefined);
if (localDeclarationSymbol && localDeclarationSymbol !== symbol && localDeclarationSymbol.flags & 2 /* BlockScopedVariable */) {
if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 4096 /* Const */) {
error(node, ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0, symbolToString(localDeclarationSymbol));
}
}
}
}
}
function checkVariableOrParameterOrPropertyInFullTypeCheck(node) {
ts.Debug.assert(fullTypeCheck);
checkSourceElement(node.type);
if (ts.hasComputedNameButNotSymbol(node)) {
return node.initializer ? checkAndMarkExpression(node.initializer) : anyType;
}
var symbol = getSymbolOfNode(node);
var type;
if (symbol.valueDeclaration !== node) {
type = getTypeOfVariableOrParameterOrPropertyDeclaration(node);
}
else {
type = getTypeOfVariableOrParameterOrProperty(symbol);
}
if (node.initializer && !(getNodeLinks(node.initializer).flags & 1 /* TypeChecked */)) {
checkTypeAssignableTo(checkAndMarkExpression(node.initializer), type, node, undefined);
}
return type;
}
function checkVariableOrParameterDeclaration(node) {
if (fullTypeCheck) {
var type = checkVariableOrParameterOrPropertyInFullTypeCheck(node);
checkExportsOnMergedDeclarations(node);
if (node.initializer) {
checkCollisionWithConstDeclarations(node);
}
checkCollisionWithCapturedSuperVariable(node, node.name);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
var symbol = getSymbolOfNode(node);
if (node !== symbol.valueDeclaration) {
var typeOfValueDeclaration = getTypeOfVariableOrParameterOrProperty(symbol);
if (typeOfValueDeclaration !== unknownType && type !== unknownType && !isTypeIdenticalTo(typeOfValueDeclaration, type)) {
error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(typeOfValueDeclaration), typeToString(type));
}
}
}
}
function checkVariableStatement(node) {
ts.forEach(node.declarations, checkVariableOrParameterDeclaration);
}
function checkExpressionStatement(node) {
checkExpression(node.expression);
}
function checkIfStatement(node) {
checkExpression(node.expression);
checkSourceElement(node.thenStatement);
checkSourceElement(node.elseStatement);
}
function checkDoStatement(node) {
checkSourceElement(node.statement);
checkExpression(node.expression);
}
function checkWhileStatement(node) {
checkExpression(node.expression);
checkSourceElement(node.statement);
}
function checkForStatement(node) {
if (node.declarations)
ts.forEach(node.declarations, checkVariableOrParameterDeclaration);
if (node.initializer)
checkExpression(node.initializer);
if (node.condition)
checkExpression(node.condition);
if (node.iterator)
checkExpression(node.iterator);
checkSourceElement(node.statement);
}
function checkForInStatement(node) {
if (node.declarations) {
if (node.declarations.length >= 1) {
var decl = node.declarations[0];
checkVariableOrParameterDeclaration(decl);
if (decl.type) {
error(decl, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation);
}
}
}
if (node.variable) {
var exprType = checkExpression(node.variable);
if (exprType !== anyType && exprType !== stringType) {
error(node.variable, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any);
}
else {
checkReferenceExpression(node.variable, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant);
}
}
var exprType = checkExpression(node.expression);
if (!(exprType.flags & 1 /* Any */ || isStructuredType(exprType))) {
error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter);
}
checkSourceElement(node.statement);
}
function checkBreakOrContinueStatement(node) {
}
function checkReturnStatement(node) {
if (node.expression && !(getNodeLinks(node.expression).flags & 1 /* TypeChecked */)) {
var func = ts.getContainingFunction(node);
if (func) {
if (func.kind === 128 /* SetAccessor */) {
if (node.expression) {
error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value);
}
}
else {
var returnType = getReturnTypeOfSignature(getSignatureFromDeclaration(func));
var checkAssignability = func.type || (func.kind === 127 /* GetAccessor */ && getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(func.symbol, 128 /* SetAccessor */)));
if (checkAssignability) {
checkTypeAssignableTo(checkExpression(node.expression), returnType, node.expression, undefined);
}
else if (func.kind == 126 /* Constructor */) {
if (!isTypeAssignableTo(checkExpression(node.expression), returnType)) {
error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class);
}
}
}
}
}
}
function checkWithStatement(node) {
checkExpression(node.expression);
error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any);
}
function checkSwitchStatement(node) {
var expressionType = checkExpression(node.expression);
ts.forEach(node.clauses, function (clause) {
if (fullTypeCheck && clause.kind === 194 /* CaseClause */) {
var caseClause = clause;
var caseType = checkExpression(caseClause.expression);
if (!isTypeAssignableTo(expressionType, caseType)) {
checkTypeAssignableTo(caseType, expressionType, caseClause.expression, undefined);
}
}
ts.forEach(clause.statements, checkSourceElement);
});
}
function checkLabeledStatement(node) {
checkSourceElement(node.statement);
}
function checkThrowStatement(node) {
if (node.expression) {
checkExpression(node.expression);
}
}
function checkTryStatement(node) {
checkBlock(node.tryBlock);
if (node.catchClause)
checkBlock(node.catchClause.block);
if (node.finallyBlock)
checkBlock(node.finallyBlock);
}
function checkIndexConstraints(type) {
function checkIndexConstraintForProperty(prop, propertyType, indexDeclaration, indexType, indexKind) {
if (!indexType) {
return;
}
if (indexKind === 1 /* Number */ && !isNumericName(prop.name)) {
return;
}
var errorNode;
if (prop.parent === type.symbol) {
errorNode = prop.valueDeclaration;
}
else if (indexDeclaration) {
errorNode = indexDeclaration;
}
else if (type.flags & 2048 /* Interface */) {
var someBaseClassHasBothPropertyAndIndexer = ts.forEach(type.baseTypes, function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); });
errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : type.symbol.declarations[0];
}
if (errorNode && !isTypeAssignableTo(propertyType, indexType)) {
var errorMessage = indexKind === 0 /* String */ ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2;
error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType));
}
}
var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1 /* Number */);
var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0 /* String */);
var stringIndexType = getIndexTypeOfType(type, 0 /* String */);
var numberIndexType = getIndexTypeOfType(type, 1 /* Number */);
if (stringIndexType || numberIndexType) {
ts.forEach(getPropertiesOfObjectType(type), function (prop) {
var propType = getTypeOfSymbol(prop);
checkIndexConstraintForProperty(prop, propType, declaredStringIndexer, stringIndexType, 0 /* String */);
checkIndexConstraintForProperty(prop, propType, declaredNumberIndexer, numberIndexType, 1 /* Number */);
});
}
var errorNode;
if (stringIndexType && numberIndexType) {
errorNode = declaredNumberIndexer || declaredStringIndexer;
if (!errorNode && (type.flags & 2048 /* Interface */)) {
var someBaseTypeHasBothIndexers = ts.forEach(type.baseTypes, function (base) { return getIndexTypeOfType(base, 0 /* String */) && getIndexTypeOfType(base, 1 /* Number */); });
errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0];
}
}
if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) {
error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType));
}
}
function checkTypeNameIsReserved(name, message) {
switch (name.text) {
case "any":
case "number":
case "boolean":
case "string":
case "void":
error(name, message, name.text);
}
}
function checkTypeParameters(typeParameterDeclarations) {
if (typeParameterDeclarations) {
for (var i = 0; i < typeParameterDeclarations.length; i++) {
var node = typeParameterDeclarations[i];
checkTypeParameter(node);
if (fullTypeCheck) {
for (var j = 0; j < i; j++) {
if (typeParameterDeclarations[j].symbol === node.symbol) {
error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name));
}
}
}
}
}
}
function checkClassDeclaration(node) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0);
checkTypeParameters(node.typeParameters);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkExportsOnMergedDeclarations(node);
var symbol = getSymbolOfNode(node);
var type = getDeclaredTypeOfSymbol(symbol);
var staticType = getTypeOfSymbol(symbol);
var baseTypeNode = ts.getClassBaseTypeNode(node);
if (baseTypeNode) {
emitExtends = emitExtends || !ts.isInAmbientContext(node);
checkTypeReference(baseTypeNode);
}
if (type.baseTypes.length) {
if (fullTypeCheck) {
var baseType = type.baseTypes[0];
checkTypeAssignableTo(type, baseType, node.name, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1);
var staticBaseType = getTypeOfSymbol(baseType.symbol);
checkTypeAssignableTo(staticType, getTypeWithoutConstructors(staticBaseType), node.name, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1);
if (baseType.symbol !== resolveEntityName(node, baseTypeNode.typeName, 107455 /* Value */)) {
error(baseTypeNode, ts.Diagnostics.Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0, typeToString(baseType));
}
checkKindsOfPropertyMemberOverrides(type, baseType);
}
checkExpressionOrQualifiedName(baseTypeNode.typeName);
}
var implementedTypeNodes = ts.getClassImplementedTypeNodes(node);
if (implementedTypeNodes) {
ts.forEach(implementedTypeNodes, function (typeRefNode) {
checkTypeReference(typeRefNode);
if (fullTypeCheck) {
var t = getTypeFromTypeReferenceNode(typeRefNode);
if (t !== unknownType) {
var declaredType = (t.flags & 4096 /* Reference */) ? t.target : t;
if (declaredType.flags & (1024 /* Class */ | 2048 /* Interface */)) {
checkTypeAssignableTo(type, t, node.name, ts.Diagnostics.Class_0_incorrectly_implements_interface_1);
}
else {
error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface);
}
}
}
});
}
ts.forEach(node.members, checkSourceElement);
if (fullTypeCheck) {
checkIndexConstraints(type);
checkTypeForDuplicateIndexSignatures(node);
}
}
function getTargetSymbol(s) {
return s.flags & 67108864 /* Instantiated */ ? getSymbolLinks(s).target : s;
}
function checkKindsOfPropertyMemberOverrides(type, baseType) {
var baseProperties = getPropertiesOfObjectType(baseType);
for (var i = 0, len = baseProperties.length; i < len; ++i) {
var base = getTargetSymbol(baseProperties[i]);
if (base.flags & 536870912 /* Prototype */) {
continue;
}
var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name));
if (derived) {
var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base);
var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived);
if ((baseDeclarationFlags & 32 /* Private */) || (derivedDeclarationFlags & 32 /* Private */)) {
continue;
}
if ((baseDeclarationFlags & 128 /* Static */) !== (derivedDeclarationFlags & 128 /* Static */)) {
continue;
}
if ((base.flags & derived.flags & 8192 /* Method */) || ((base.flags & 98308 /* PropertyOrAccessor */) && (derived.flags & 98308 /* PropertyOrAccessor */))) {
continue;
}
var errorMessage;
if (base.flags & 8192 /* Method */) {
if (derived.flags & 98304 /* Accessor */) {
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor;
}
else {
ts.Debug.assert((derived.flags & 4 /* Property */) !== 0);
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property;
}
}
else if (base.flags & 4 /* Property */) {
ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0);
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function;
}
else {
ts.Debug.assert((base.flags & 98304 /* Accessor */) !== 0);
ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0);
errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function;
}
error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type));
}
}
}
function isAccessor(kind) {
return kind === 127 /* GetAccessor */ || kind === 128 /* SetAccessor */;
}
function areTypeParametersIdentical(list1, list2) {
if (!list1 && !list2) {
return true;
}
if (!list1 || !list2 || list1.length !== list2.length) {
return false;
}
for (var i = 0, len = list1.length; i < len; i++) {
var tp1 = list1[i];
var tp2 = list2[i];
if (tp1.name.text !== tp2.name.text) {
return false;
}
if (!tp1.constraint && !tp2.constraint) {
continue;
}
if (!tp1.constraint || !tp2.constraint) {
return false;
}
if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) {
return false;
}
}
return true;
}
function checkInheritedPropertiesAreIdentical(type, typeNode) {
if (!type.baseTypes.length || type.baseTypes.length === 1) {
return true;
}
var seen = {};
ts.forEach(type.declaredProperties, function (p) {
seen[p.name] = { prop: p, containingType: type };
});
var ok = true;
for (var i = 0, len = type.baseTypes.length; i < len; ++i) {
var base = type.baseTypes[i];
var properties = getPropertiesOfObjectType(base);
for (var j = 0, proplen = properties.length; j < proplen; ++j) {
var prop = properties[j];
if (!ts.hasProperty(seen, prop.name)) {
seen[prop.name] = { prop: prop, containingType: base };
}
else {
var existing = seen[prop.name];
var isInheritedProperty = existing.containingType !== type;
if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) {
ok = false;
var typeName1 = typeToString(existing.containingType);
var typeName2 = typeToString(base);
var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_properties_0_of_types_1_and_2_are_not_identical, prop.name, typeName1, typeName2);
errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2);
addDiagnostic(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo, program.getCompilerHost().getNewLine()));
}
}
}
}
return ok;
}
function checkInterfaceDeclaration(node) {
checkTypeParameters(node.typeParameters);
if (fullTypeCheck) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0);
checkExportsOnMergedDeclarations(node);
var symbol = getSymbolOfNode(node);
var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 186 /* InterfaceDeclaration */);
if (symbol.declarations.length > 1) {
if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) {
error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters);
}
}
if (node === firstInterfaceDecl) {
var type = getDeclaredTypeOfSymbol(symbol);
if (checkInheritedPropertiesAreIdentical(type, node.name)) {
ts.forEach(type.baseTypes, function (baseType) {
checkTypeAssignableTo(type, baseType, node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1);
});
checkIndexConstraints(type);
}
}
}
ts.forEach(ts.getInterfaceBaseTypeNodes(node), checkTypeReference);
ts.forEach(node.members, checkSourceElement);
if (fullTypeCheck) {
checkTypeForDuplicateIndexSignatures(node);
}
}
function checkTypeAliasDeclaration(node) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0);
checkSourceElement(node.type);
}
function computeEnumMemberValues(node) {
var nodeLinks = getNodeLinks(node);
if (!(nodeLinks.flags & 128 /* EnumValuesComputed */)) {
var enumSymbol = getSymbolOfNode(node);
var enumType = getDeclaredTypeOfSymbol(enumSymbol);
var autoValue = 0;
var ambient = ts.isInAmbientContext(node);
var enumIsConst = ts.isConst(node);
ts.forEach(node.members, function (member) {
if (isNumericName(member.name.text)) {
error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name);
}
var initializer = member.initializer;
if (initializer) {
autoValue = getConstantValueForEnumMemberInitializer(initializer, enumIsConst);
if (autoValue === undefined) {
if (enumIsConst) {
error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression);
}
else if (!ambient) {
checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined);
}
}
else if (enumIsConst) {
if (isNaN(autoValue)) {
error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN);
}
else if (!isFinite(autoValue)) {
error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value);
}
}
}
else if (ambient && !enumIsConst) {
autoValue = undefined;
}
if (autoValue !== undefined) {
getNodeLinks(member).enumMemberValue = autoValue++;
}
});
nodeLinks.flags |= 128 /* EnumValuesComputed */;
}
function getConstantValueForEnumMemberInitializer(initializer, enumIsConst) {
return evalConstant(initializer);
function evalConstant(e) {
switch (e.kind) {
case 155 /* PrefixUnaryExpression */:
var value = evalConstant(e.operand);
if (value === undefined) {
return undefined;
}
switch (e.operator) {
case 32 /* PlusToken */: return value;
case 33 /* MinusToken */: return -value;
case 46 /* TildeToken */: return enumIsConst ? ~value : undefined;
}
return undefined;
case 157 /* BinaryExpression */:
if (!enumIsConst) {
return undefined;
}
var left = evalConstant(e.left);
if (left === undefined) {
return undefined;
}
var right = evalConstant(e.right);
if (right === undefined) {
return undefined;
}
switch (e.operator) {
case 43 /* BarToken */: return left | right;
case 42 /* AmpersandToken */: return left & right;
case 40 /* GreaterThanGreaterThanToken */: return left >> right;
case 41 /* GreaterThanGreaterThanGreaterThanToken */: return left >>> right;
case 39 /* LessThanLessThanToken */: return left << right;
case 44 /* CaretToken */: return left ^ right;
case 34 /* AsteriskToken */: return left * right;
case 35 /* SlashToken */: return left / right;
case 32 /* PlusToken */: return left + right;
case 33 /* MinusToken */: return left - right;
case 36 /* PercentToken */: return left % right;
}
return undefined;
case 6 /* NumericLiteral */:
return +e.text;
case 149 /* ParenthesizedExpression */:
return enumIsConst ? evalConstant(e.expression) : undefined;
case 63 /* Identifier */:
case 144 /* ElementAccessExpression */:
case 143 /* PropertyAccessExpression */:
if (!enumIsConst) {
return undefined;
}
var member = initializer.parent;
var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent));
var enumType;
var propertyName;
if (e.kind === 63 /* Identifier */) {
enumType = currentType;
propertyName = e.text;
}
else {
if (e.kind === 144 /* ElementAccessExpression */) {
if (e.argumentExpression === undefined || e.argumentExpression.kind !== 7 /* StringLiteral */) {
return undefined;
}
var enumType = getTypeOfNode(e.expression);
propertyName = e.argumentExpression.text;
}
else {
var enumType = getTypeOfNode(e.expression);
propertyName = e.name.text;
}
if (enumType !== currentType) {
return undefined;
}
}
if (propertyName === undefined) {
return undefined;
}
var property = getPropertyOfObjectType(enumType, propertyName);
if (!property || !(property.flags & 8 /* EnumMember */)) {
return undefined;
}
var propertyDecl = property.valueDeclaration;
if (member === propertyDecl) {
return undefined;
}
if (!isDefinedBefore(propertyDecl, member)) {
return undefined;
}
return getNodeLinks(propertyDecl).enumMemberValue;
}
}
}
}
function checkEnumDeclaration(node) {
if (!fullTypeCheck) {
return;
}
checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0);
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkExportsOnMergedDeclarations(node);
computeEnumMemberValues(node);
var enumSymbol = getSymbolOfNode(node);
var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind);
if (node === firstDeclaration) {
if (enumSymbol.declarations.length > 1) {
var enumIsConst = ts.isConst(node);
ts.forEach(enumSymbol.declarations, function (decl) {
if (ts.isConstEnumDeclaration(decl) !== enumIsConst) {
error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const);
}
});
}
var seenEnumMissingInitialInitializer = false;
ts.forEach(enumSymbol.declarations, function (declaration) {
if (declaration.kind !== 188 /* EnumDeclaration */) {
return false;
}
var enumDeclaration = declaration;
if (!enumDeclaration.members.length) {
return false;
}
var firstEnumMember = enumDeclaration.members[0];
if (!firstEnumMember.initializer) {
if (seenEnumMissingInitialInitializer) {
error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element);
}
else {
seenEnumMissingInitialInitializer = true;
}
}
});
}
}
function getFirstNonAmbientClassOrFunctionDeclaration(symbol) {
var declarations = symbol.declarations;
for (var i = 0; i < declarations.length; i++) {
var declaration = declarations[i];
if ((declaration.kind === 185 /* ClassDeclaration */ || (declaration.kind === 184 /* FunctionDeclaration */ && declaration.body)) && !ts.isInAmbientContext(declaration)) {
return declaration;
}
}
return undefined;
}
function checkModuleDeclaration(node) {
if (fullTypeCheck) {
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
checkExportsOnMergedDeclarations(node);
var symbol = getSymbolOfNode(node);
if (symbol.flags & 512 /* ValueModule */ && symbol.declarations.length > 1 && !ts.isInAmbientContext(node)) {
var classOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol);
if (classOrFunc) {
if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(classOrFunc)) {
error(node.name, ts.Diagnostics.A_module_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged);
}
else if (node.pos < classOrFunc.pos) {
error(node.name, ts.Diagnostics.A_module_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged);
}
}
}
if (node.name.kind === 7 /* StringLiteral */) {
if (!isGlobalSourceFile(node.parent)) {
error(node.name, ts.Diagnostics.Ambient_external_modules_cannot_be_nested_in_other_modules);
}
if (isExternalModuleNameRelative(node.name.text)) {
error(node.name, ts.Diagnostics.Ambient_external_module_declaration_cannot_specify_relative_module_name);
}
}
}
checkSourceElement(node.body);
}
function getFirstIdentifier(node) {
while (node.kind === 120 /* QualifiedName */) {
node = node.left;
}
return node;
}
function checkImportDeclaration(node) {
checkCollisionWithCapturedThisVariable(node, node.name);
checkCollisionWithRequireExportsInGeneratedCode(node, node.name);
var symbol = getSymbolOfNode(node);
var target;
if (ts.isInternalModuleImportDeclaration(node)) {
target = resolveImport(symbol);
if (target !== unknownSymbol) {
if (target.flags & 107455 /* Value */) {
var moduleName = getFirstIdentifier(node.moduleReference);
if (resolveEntityName(node, moduleName, 107455 /* Value */ | 1536 /* Namespace */).flags & 1536 /* Namespace */) {
checkExpressionOrQualifiedName(node.moduleReference);
}
else {
error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName));
}
}
if (target.flags & 3152352 /* Type */) {
checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0);
}
}
}
else {
if (node.parent.kind === 201 /* SourceFile */) {
target = resolveImport(symbol);
}
else if (node.parent.kind === 190 /* ModuleBlock */ && node.parent.parent.name.kind === 7 /* StringLiteral */) {
if (ts.getExternalModuleImportDeclarationExpression(node).kind === 7 /* StringLiteral */) {
if (isExternalModuleNameRelative(ts.getExternalModuleImportDeclarationExpression(node).text)) {
error(node, ts.Diagnostics.Import_declaration_in_an_ambient_external_module_declaration_cannot_reference_external_module_through_relative_external_module_name);
target = unknownSymbol;
}
else {
target = resolveImport(symbol);
}
}
else {
target = unknownSymbol;
}
}
else {
target = unknownSymbol;
}
}
if (target !== unknownSymbol) {
var excludedMeanings = (symbol.flags & 107455 /* Value */ ? 107455 /* Value */ : 0) | (symbol.flags & 3152352 /* Type */ ? 3152352 /* Type */ : 0) | (symbol.flags & 1536 /* Namespace */ ? 1536 /* Namespace */ : 0);
if (target.flags & excludedMeanings) {
error(node, ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0, symbolToString(symbol));
}
}
}
function checkExportAssignment(node) {
var container = node.parent;
if (container.kind !== 201 /* SourceFile */) {
container = container.parent;
}
checkTypeOfExportAssignmentSymbol(getSymbolOfNode(container));
}
function checkSourceElement(node) {
if (!node)
return;
switch (node.kind) {
case 122 /* TypeParameter */:
return checkTypeParameter(node);
case 123 /* Parameter */:
return checkParameter(node);
case 124 /* Property */:
return checkPropertyDeclaration(node);
case 133 /* FunctionType */:
case 134 /* ConstructorType */:
case 129 /* CallSignature */:
case 130 /* ConstructSignature */:
case 131 /* IndexSignature */:
return checkSignatureDeclaration(node);
case 125 /* Method */:
return checkMethodDeclaration(node);
case 126 /* Constructor */:
return checkConstructorDeclaration(node);
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
return checkAccessorDeclaration(node);
case 132 /* TypeReference */:
return checkTypeReference(node);
case 135 /* TypeQuery */:
return checkTypeQuery(node);
case 136 /* TypeLiteral */:
return checkTypeLiteral(node);
case 137 /* ArrayType */:
return checkArrayType(node);
case 138 /* TupleType */:
return checkTupleType(node);
case 139 /* UnionType */:
return checkUnionType(node);
case 140 /* ParenthesizedType */:
return checkSourceElement(node.type);
case 184 /* FunctionDeclaration */:
return checkFunctionDeclaration(node);
case 163 /* Block */:
case 190 /* ModuleBlock */:
return checkBlock(node);
case 164 /* VariableStatement */:
return checkVariableStatement(node);
case 166 /* ExpressionStatement */:
return checkExpressionStatement(node);
case 167 /* IfStatement */:
return checkIfStatement(node);
case 168 /* DoStatement */:
return checkDoStatement(node);
case 169 /* WhileStatement */:
return checkWhileStatement(node);
case 170 /* ForStatement */:
return checkForStatement(node);
case 171 /* ForInStatement */:
return checkForInStatement(node);
case 172 /* ContinueStatement */:
case 173 /* BreakStatement */:
return checkBreakOrContinueStatement(node);
case 174 /* ReturnStatement */:
return checkReturnStatement(node);
case 175 /* WithStatement */:
return checkWithStatement(node);
case 176 /* SwitchStatement */:
return checkSwitchStatement(node);
case 177 /* LabeledStatement */:
return checkLabeledStatement(node);
case 178 /* ThrowStatement */:
return checkThrowStatement(node);
case 179 /* TryStatement */:
return checkTryStatement(node);
case 183 /* VariableDeclaration */:
return ts.Debug.fail("Checker encountered variable declaration");
case 185 /* ClassDeclaration */:
return checkClassDeclaration(node);
case 186 /* InterfaceDeclaration */:
return checkInterfaceDeclaration(node);
case 187 /* TypeAliasDeclaration */:
return checkTypeAliasDeclaration(node);
case 188 /* EnumDeclaration */:
return checkEnumDeclaration(node);
case 189 /* ModuleDeclaration */:
return checkModuleDeclaration(node);
case 191 /* ImportDeclaration */:
return checkImportDeclaration(node);
case 192 /* ExportAssignment */:
return checkExportAssignment(node);
}
}
function checkFunctionExpressionBodies(node) {
switch (node.kind) {
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
ts.forEach(node.parameters, checkFunctionExpressionBodies);
checkFunctionExpressionOrObjectLiteralMethodBody(node);
break;
case 125 /* Method */:
ts.forEach(node.parameters, checkFunctionExpressionBodies);
if (ts.isObjectLiteralMethod(node)) {
checkFunctionExpressionOrObjectLiteralMethodBody(node);
}
break;
case 126 /* Constructor */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
case 184 /* FunctionDeclaration */:
ts.forEach(node.parameters, checkFunctionExpressionBodies);
break;
case 175 /* WithStatement */:
checkFunctionExpressionBodies(node.expression);
break;
case 123 /* Parameter */:
case 124 /* Property */:
case 141 /* ArrayLiteralExpression */:
case 142 /* ObjectLiteralExpression */:
case 198 /* PropertyAssignment */:
case 143 /* PropertyAccessExpression */:
case 144 /* ElementAccessExpression */:
case 145 /* CallExpression */:
case 146 /* NewExpression */:
case 147 /* TaggedTemplateExpression */:
case 159 /* TemplateExpression */:
case 162 /* TemplateSpan */:
case 148 /* TypeAssertionExpression */:
case 149 /* ParenthesizedExpression */:
case 153 /* TypeOfExpression */:
case 154 /* VoidExpression */:
case 152 /* DeleteExpression */:
case 155 /* PrefixUnaryExpression */:
case 156 /* PostfixUnaryExpression */:
case 157 /* BinaryExpression */:
case 158 /* ConditionalExpression */:
case 163 /* Block */:
case 190 /* ModuleBlock */:
case 164 /* VariableStatement */:
case 166 /* ExpressionStatement */:
case 167 /* IfStatement */:
case 168 /* DoStatement */:
case 169 /* WhileStatement */:
case 170 /* ForStatement */:
case 171 /* ForInStatement */:
case 172 /* ContinueStatement */:
case 173 /* BreakStatement */:
case 174 /* ReturnStatement */:
case 176 /* SwitchStatement */:
case 194 /* CaseClause */:
case 195 /* DefaultClause */:
case 177 /* LabeledStatement */:
case 178 /* ThrowStatement */:
case 179 /* TryStatement */:
case 180 /* TryBlock */:
case 197 /* CatchClause */:
case 181 /* FinallyBlock */:
case 183 /* VariableDeclaration */:
case 185 /* ClassDeclaration */:
case 188 /* EnumDeclaration */:
case 200 /* EnumMember */:
case 201 /* SourceFile */:
ts.forEachChild(node, checkFunctionExpressionBodies);
break;
}
}
function checkSourceFile(node) {
var links = getNodeLinks(node);
if (!(links.flags & 1 /* TypeChecked */)) {
emitExtends = false;
potentialThisCollisions.length = 0;
ts.forEach(node.statements, checkSourceElement);
checkFunctionExpressionBodies(node);
if (ts.isExternalModule(node)) {
var symbol = getExportAssignmentSymbol(node.symbol);
if (symbol && symbol.flags & 33554432 /* Import */) {
getSymbolLinks(symbol).referenced = true;
}
}
if (potentialThisCollisions.length) {
ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope);
potentialThisCollisions.length = 0;
}
if (emitExtends) {
links.flags |= 8 /* EmitExtends */;
}
links.flags |= 1 /* TypeChecked */;
}
}
function getSortedDiagnostics() {
ts.Debug.assert(fullTypeCheck, "diagnostics are available only in the full typecheck mode");
if (diagnosticsModified) {
diagnostics.sort(ts.compareDiagnostics);
diagnostics = ts.deduplicateSortedDiagnostics(diagnostics);
diagnosticsModified = false;
}
return diagnostics;
}
function getDiagnostics(sourceFile) {
if (sourceFile) {
checkSourceFile(sourceFile);
return ts.filter(getSortedDiagnostics(), function (d) { return d.file === sourceFile; });
}
ts.forEach(program.getSourceFiles(), checkSourceFile);
return getSortedDiagnostics();
}
function getDeclarationDiagnostics(targetSourceFile) {
var resolver = createResolver();
checkSourceFile(targetSourceFile);
return ts.getDeclarationDiagnostics(program, resolver, targetSourceFile);
}
function getGlobalDiagnostics() {
return ts.filter(getSortedDiagnostics(), function (d) { return !d.file; });
}
function isInsideWithStatementBody(node) {
if (node) {
while (node.parent) {
if (node.parent.kind === 175 /* WithStatement */ && node.parent.statement === node) {
return true;
}
node = node.parent;
}
}
return false;
}
function getSymbolsInScope(location, meaning) {
var symbols = {};
var memberFlags = 0;
function copySymbol(symbol, meaning) {
if (symbol.flags & meaning) {
var id = symbol.name;
if (!isReservedMemberName(id) && !ts.hasProperty(symbols, id)) {
symbols[id] = symbol;
}
}
}
function copySymbols(source, meaning) {
if (meaning) {
for (var id in source) {
if (ts.hasProperty(source, id)) {
copySymbol(source[id], meaning);
}
}
}
}
if (isInsideWithStatementBody(location)) {
return [];
}
while (location) {
if (location.locals && !isGlobalSourceFile(location)) {
copySymbols(location.locals, meaning);
}
switch (location.kind) {
case 201 /* SourceFile */:
if (!ts.isExternalModule(location))
break;
case 189 /* ModuleDeclaration */:
copySymbols(getSymbolOfNode(location).exports, meaning & 35653619 /* ModuleMember */);
break;
case 188 /* EnumDeclaration */:
copySymbols(getSymbolOfNode(location).exports, meaning & 8 /* EnumMember */);
break;
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
if (!(memberFlags & 128 /* Static */)) {
copySymbols(getSymbolOfNode(location).members, meaning & 3152352 /* Type */);
}
break;
case 150 /* FunctionExpression */:
if (location.name) {
copySymbol(location.symbol, meaning);
}
break;
case 197 /* CatchClause */:
if (location.name.text) {
copySymbol(location.symbol, meaning);
}
break;
}
memberFlags = location.flags;
location = location.parent;
}
copySymbols(globals, meaning);
return ts.mapToArray(symbols);
}
function isTypeDeclarationName(name) {
return name.kind == 63 /* Identifier */ && isTypeDeclaration(name.parent) && name.parent.name === name;
}
function isTypeDeclaration(node) {
switch (node.kind) {
case 122 /* TypeParameter */:
case 185 /* ClassDeclaration */:
case 186 /* InterfaceDeclaration */:
case 187 /* TypeAliasDeclaration */:
case 188 /* EnumDeclaration */:
return true;
}
}
function isTypeReferenceIdentifier(entityName) {
var node = entityName;
while (node.parent && node.parent.kind === 120 /* QualifiedName */)
node = node.parent;
return node.parent && node.parent.kind === 132 /* TypeReference */;
}
function isTypeNode(node) {
if (132 /* FirstTypeNode */ <= node.kind && node.kind <= 140 /* LastTypeNode */) {
return true;
}
switch (node.kind) {
case 109 /* AnyKeyword */:
case 116 /* NumberKeyword */:
case 118 /* StringKeyword */:
case 110 /* BooleanKeyword */:
return true;
case 97 /* VoidKeyword */:
return node.parent.kind !== 154 /* VoidExpression */;
case 7 /* StringLiteral */:
return node.parent.kind === 123 /* Parameter */;
case 63 /* Identifier */:
if (node.parent.kind === 120 /* QualifiedName */ && node.parent.right === node) {
node = node.parent;
}
case 120 /* QualifiedName */:
ts.Debug.assert(node.kind === 63 /* Identifier */ || node.kind === 120 /* QualifiedName */, "'node' was expected to be a qualified name or identifier in 'isTypeNode'.");
var parent = node.parent;
if (parent.kind === 135 /* TypeQuery */) {
return false;
}
if (132 /* FirstTypeNode */ <= parent.kind && parent.kind <= 140 /* LastTypeNode */) {
return true;
}
switch (parent.kind) {
case 122 /* TypeParameter */:
return node === parent.constraint;
case 124 /* Property */:
case 123 /* Parameter */:
case 183 /* VariableDeclaration */:
return node === parent.type;
case 184 /* FunctionDeclaration */:
case 150 /* FunctionExpression */:
case 151 /* ArrowFunction */:
case 126 /* Constructor */:
case 125 /* Method */:
case 127 /* GetAccessor */:
case 128 /* SetAccessor */:
return node === parent.type;
case 129 /* CallSignature */:
case 130 /* ConstructSignature */:
case 131 /* IndexSignature */:
return node === parent.type;
case 148 /* TypeAssertionExpression */:
return node === parent.type;
case 145 /* CallExpression */:
case 146 /* NewExpression */:
return parent.typeArguments && ts.indexOf(parent.typeArguments, node) >= 0;
case 147 /* TaggedTemplateExpression */:
return false;
}
}
return false;
}
function isInRightSideOfImportOrExportAssignment(node) {
while (node.parent.kind === 120 /* QualifiedName */) {
node = node.parent;
}
if (node.parent.kind === 191 /* ImportDeclaration */) {
return node.parent.moduleReference === node;
}
if (node.parent.kind === 192 /* ExportAssignment */) {
return node.parent.exportName === node;
}
return false;
}
function isRightSideOfQualifiedNameOrPropertyAccess(node) {
return (node.parent.kind === 120 /* QualifiedName */ && node.parent.right === node) || (node.parent.kind === 143 /* PropertyAccessExpression */ && node.parent.name === node);
}
function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) {
if (ts.isDeclarationOrFunctionExpressionOrCatchVariableName(entityName)) {
return getSymbolOfNode(entityName.parent);
}
if (entityName.parent.kind === 192 /* ExportAssignment */) {
return resolveEntityName(entityName.parent.parent, entityName, 107455 /* Value */ | 3152352 /* Type */ | 1536 /* Namespace */ | 33554432 /* Import */);
}
if (entityName.kind !== 143 /* PropertyAccessExpression */) {
if (isInRightSideOfImportOrExportAssignment(entityName)) {
return getSymbolOfPartOfRightHandSideOfImport(entityName);
}
}
if (isRightSideOfQualifiedNameOrPropertyAccess(entityName)) {
entityName = entityName.parent;
}
if (ts.isExpression(entityName)) {
if (ts.getFullWidth(entityName) === 0) {
return undefined;
}
if (entityName.kind === 63 /* Identifier */) {
var meaning = 107455 /* Value */ | 33554432 /* Import */;
return resolveEntityName(entityName, entityName, meaning);
}
else if (entityName.kind === 143 /* PropertyAccessExpression */) {
var symbol = getNodeLinks(entityName).resolvedSymbol;
if (!symbol) {
checkPropertyAccessExpression(entityName);
}
return getNodeLinks(entityName).resolvedSymbol;
}
else if (entityName.kind === 120 /* QualifiedName */) {
var symbol = getNodeLinks(entityName).resolvedSymbol;
if (!symbol) {
checkQualifiedName(entityName);
}
return getNodeLinks(entityName).resolvedSymbol;
}
}
else if (isTypeReferenceIdentifier(entityName)) {
var meaning = entityName.parent.kind === 132 /* TypeReference */ ? 3152352 /* Type */ : 1536 /* Namespace */;
meaning |= 33554432 /* Import */;
return resolveEntityName(entityName, entityName, meaning);
}
return undefined;
}
function getSymbolInfo(node) {
if (isInsideWithStatementBody(node)) {
return undefined;
}
if (ts.isDeclarationOrFunctionExpressionOrCatchVariableName(node)) {
return getSymbolOfNode(node.parent);
}
if (node.kind === 63 /* Identifier */ && isInRightSideOfImportOrExportAssignment(node)) {
return node.parent.kind === 192 /* ExportAssignment */ ? getSymbolOfEntityNameOrPropertyAccessExpression(node) : getSymbolOfPartOfRightHandSideOfImport(node);
}
switch (node.kind) {
case 63 /* Identifier */:
case 143 /* PropertyAccessExpression */:
case 120 /* QualifiedName */:
return getSymbolOfEntityNameOrPropertyAccessExpression(node);
case 91 /* ThisKeyword */:
case 89 /* SuperKeyword */:
var type = checkExpression(node);
return type.symbol;
case 111 /* ConstructorKeyword */:
var constructorDeclaration = node.parent;
if (constructorDeclaration && constructorDeclaration.kind === 126 /* Constructor */) {
return constructorDeclaration.parent.symbol;
}
return undefined;
case 7 /* StringLiteral */:
if (ts.isExternalModuleImportDeclaration(node.parent.parent) && ts.getExternalModuleImportDeclarationExpression(node.parent.parent) === node) {
var importSymbol = getSymbolOfNode(node.parent.parent);
var moduleType = getTypeOfSymbol(importSymbol);
return moduleType ? moduleType.symbol : undefined;
}
case 6 /* NumericLiteral */:
if (node.parent.kind == 144 /* ElementAccessExpression */ && node.parent.argumentExpression === node) {
var objectType = checkExpression(node.parent.expression);
if (objectType === unknownType)
return undefined;
var apparentType = getApparentType(objectType);
if (apparentType === unknownType)
return undefined;
return getPropertyOfType(apparentType, node.text);
}
break;
}
return undefined;
}
function getShorthandAssignmentValueSymbol(location) {
if (location && location.kind === 199 /* ShorthandPropertyAssignment */) {
return resolveEntityName(location, location.name, 107455 /* Value */);
}
return undefined;
}
function getTypeOfNode(node) {
if (isInsideWithStatementBody(node)) {
return unknownType;
}
if (ts.isExpression(node)) {
return getTypeOfExpression(node);
}
if (isTypeNode(node)) {
return getTypeFromTypeNode(node);
}
if (isTypeDeclaration(node)) {
var symbol = getSymbolOfNode(node);
return getDeclaredTypeOfSymbol(symbol);
}
if (isTypeDeclarationName(node)) {
var symbol = getSymbolInfo(node);
return symbol && getDeclaredTypeOfSymbol(symbol);
}
if (ts.isDeclaration(node)) {
var symbol = getSymbolOfNode(node);
return getTypeOfSymbol(symbol);
}
if (ts.isDeclarationOrFunctionExpressionOrCatchVariableName(node)) {
var symbol = getSymbolInfo(node);
return symbol && getTypeOfSymbol(symbol);
}
if (isInRightSideOfImportOrExportAssignment(node)) {
var symbol = getSymbolInfo(node);
var declaredType = symbol && getDeclaredTypeOfSymbol(symbol);
return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol);
}
return unknownType;
}
function getTypeOfExpression(expr) {
if (isRightSideOfQualifiedNameOrPropertyAccess(expr)) {
expr = expr.parent;
}
return checkExpression(expr);
}
function getAugmentedPropertiesOfType(type) {
var type = getApparentType(type);
var propsByName = createSymbolTable(getPropertiesOfType(type));
if (getSignaturesOfType(type, 0 /* Call */).length || getSignaturesOfType(type, 1 /* Construct */).length) {
ts.forEach(getPropertiesOfType(globalFunctionType), function (p) {
if (!ts.hasProperty(propsByName, p.name)) {
propsByName[p.name] = p;
}
});
}
return getNamedMembers(propsByName);
}
function getRootSymbols(symbol) {
if (symbol.flags & 1073741824 /* UnionProperty */) {
var symbols = [];
var name = symbol.name;
ts.forEach(getSymbolLinks(symbol).unionType.types, function (t) {
symbols.push(getPropertyOfType(t, name));
});
return symbols;
}
else if (symbol.flags & 268435456 /* Transient */) {
var target = getSymbolLinks(symbol).target;
if (target) {
return [target];
}
}
return [symbol];
}
function isExternalModuleSymbol(symbol) {
return symbol.flags & 512 /* ValueModule */ && symbol.declarations.length === 1 && symbol.declarations[0].kind === 201 /* SourceFile */;
}
function isNodeDescendentOf(node, ancestor) {
while (node) {
if (node === ancestor)
return true;
node = node.parent;
}
return false;
}
function isUniqueLocalName(name, container) {
for (var node = container; isNodeDescendentOf(node, container); node = node.nextContainer) {
if (node.locals && ts.hasProperty(node.locals, name)) {
var symbolWithRelevantName = node.locals[name];
if (symbolWithRelevantName.flags & (107455 /* Value */ | 4194304 /* ExportValue */)) {
return false;
}
if (symbolWithRelevantName.flags & 33554432 /* Import */) {
var importDeclarationWithRelevantName = ts.getDeclarationOfKind(symbolWithRelevantName, 191 /* ImportDeclaration */);
if (isReferencedImportDeclaration(importDeclarationWithRelevantName)) {
return false;
}
}
}
}
return true;
}
function getLocalNameOfContainer(container) {
var links = getNodeLinks(container);
if (!links.localModuleName) {
var prefix = "";
var name = ts.unescapeIdentifier(container.name.text);
while (!isUniqueLocalName(ts.escapeIdentifier(prefix + name), container)) {
prefix += "_";
}
links.localModuleName = prefix + ts.getTextOfNode(container.name);
}
return links.localModuleName;
}
function getLocalNameForSymbol(symbol, location) {
var node = location;
while (node) {
if ((node.kind === 189 /* ModuleDeclaration */ || node.kind === 188 /* EnumDeclaration */) && getSymbolOfNode(node) === symbol) {
return getLocalNameOfContainer(node);
}
node = node.parent;
}
ts.Debug.fail("getLocalNameForSymbol failed");
}
function getExpressionNamePrefix(node) {
var symbol = getNodeLinks(node).resolvedSymbol;
if (symbol) {
var exportSymbol = getExportSymbolOfValueSymbolIfExported(symbol);
if (symbol !== exportSymbol && !(exportSymbol.flags & 944 /* ExportHasLocal */)) {
symbol = exportSymbol;
}
if (symbol.parent) {
return isExternalModuleSymbol(symbol.parent) ? "exports" : getLocalNameForSymbol(getParentOfSymbol(symbol), node.parent);
}
}
}
function getExportAssignmentName(node) {
var symbol = getExportAssignmentSymbol(getSymbolOfNode(node));
return symbol && symbolIsValue(symbol) && !isConstEnumSymbol(symbol) ? symbolToString(symbol) : undefined;
}
function isTopLevelValueImportWithEntityName(node) {
if (node.parent.kind !== 201 /* SourceFile */ || !ts.isInternalModuleImportDeclaration(node)) {
return false;
}
return isImportResolvedToValue(getSymbolOfNode(node));
}
function hasSemanticErrors(sourceFile) {
return getDiagnostics(sourceFile).length > 0 || getGlobalDiagnostics().length > 0;
}
function isEmitBlocked(sourceFile) {
return program.getDiagnostics(sourceFile).length !== 0 || hasEarlyErrors(sourceFile) || (compilerOptions.noEmitOnError && getDiagnostics(sourceFile).length !== 0);
}
function hasEarlyErrors(sourceFile) {
return ts.forEach(getDiagnostics(sourceFile), function (d) { return d.isEarly; });
}
function isImportResolvedToValue(symbol) {
var target = resolveImport(symbol);
return target !== unknownSymbol && target.flags & 107455 /* Value */ && !isConstEnumOrConstEnumOnlyModule(target);
}
function isConstEnumOrConstEnumOnlyModule(s) {
return isConstEnumSymbol(s) || s.constEnumOnlyModule;
}
function isReferencedImportDeclaration(node) {
var symbol = getSymbolOfNode(node);
if (getSymbolLinks(symbol).referenced) {
return true;
}
if (node.flags & 1 /* Export */) {
return isImportResolvedToValue(symbol);
}
return false;
}
function isImplementationOfOverload(node) {
if (node.body) {
var symbol = getSymbolOfNode(node);
var signaturesOfSymbol = getSignaturesOfSymbol(symbol);
return signaturesOfSymbol.length > 1 || (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node);
}
return false;
}
function getNodeCheckFlags(node) {
return getNodeLinks(node).flags;
}
function getEnumMemberValue(node) {
computeEnumMemberValues(node.parent);
return getNodeLinks(node).enumMemberValue;
}
function getConstantValue(node) {
var symbol = getNodeLinks(node).resolvedSymbol;
if (symbol && (symbol.flags & 8 /* EnumMember */)) {
var declaration = symbol.valueDeclaration;
var constantValue;
if (declaration.kind === 200 /* EnumMember */ && (constantValue = getNodeLinks(declaration).enumMemberValue) !== undefined) {
return constantValue;
}
}
return undefined;
}
function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) {
var symbol = getSymbolOfNode(declaration);
var type = symbol && !(symbol.flags & (2048 /* TypeLiteral */ | 131072 /* CallSignature */ | 262144 /* ConstructSignature */)) ? getTypeOfSymbol(symbol) : unknownType;
getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags);
}
function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) {
var signature = getSignatureFromDeclaration(signatureDeclaration);
getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags);
}
function createResolver() {
return {
getProgram: function () { return program; },
getLocalNameOfContainer: getLocalNameOfContainer,
getExpressionNamePrefix: getExpressionNamePrefix,
getExportAssignmentName: getExportAssignmentName,
isReferencedImportDeclaration: isReferencedImportDeclaration,
getNodeCheckFlags: getNodeCheckFlags,
getEnumMemberValue: getEnumMemberValue,
isTopLevelValueImportWithEntityName: isTopLevelValueImportWithEntityName,
hasSemanticErrors: hasSemanticErrors,
isEmitBlocked: isEmitBlocked,
isDeclarationVisible: isDeclarationVisible,
isImplementationOfOverload: isImplementationOfOverload,
writeTypeOfDeclaration: writeTypeOfDeclaration,
writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration,
isSymbolAccessible: isSymbolAccessible,
isEntityNameVisible: isEntityNameVisible,
getConstantValue: getConstantValue
};
}
function invokeEmitter(targetSourceFile) {
var resolver = createResolver();
return ts.emitFiles(resolver, targetSourceFile);
}
function initializeTypeChecker() {
ts.forEach(program.getSourceFiles(), function (file) {
ts.bindSourceFile(file);
ts.forEach(file.semanticDiagnostics, addDiagnostic);
});
ts.forEach(program.getSourceFiles(), function (file) {
if (!ts.isExternalModule(file)) {
extendSymbolTable(globals, file.locals);
}
});
getSymbolLinks(undefinedSymbol).type = undefinedType;
getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments");
getSymbolLinks(unknownSymbol).type = unknownType;
globals[undefinedSymbol.name] = undefinedSymbol;
globalArraySymbol = getGlobalSymbol("Array");
globalArrayType = getTypeOfGlobalSymbol(globalArraySymbol, 1);
globalObjectType = getGlobalType("Object");
globalFunctionType = getGlobalType("Function");
globalStringType = getGlobalType("String");
globalNumberType = getGlobalType("Number");
globalBooleanType = getGlobalType("Boolean");
globalRegExpType = getGlobalType("RegExp");
globalTemplateStringsArrayType = compilerOptions.target >= 2 /* ES6 */ ? getGlobalType("TemplateStringsArray") : unknownType;
}
initializeTypeChecker();
return checker;
}
ts.createTypeChecker = createTypeChecker;
})(ts || (ts = {}));
var ts;
(function (ts) {
ts.optionDeclarations = [
{
name: "charset",
type: "string"
},
{
name: "codepage",
type: "number"
},
{
name: "declaration",
shortName: "d",
type: "boolean",
description: ts.Diagnostics.Generates_corresponding_d_ts_file
},
{
name: "diagnostics",
type: "boolean"
},
{
name: "emitBOM",
type: "boolean"
},
{
name: "help",
shortName: "h",
type: "boolean",
description: ts.Diagnostics.Print_this_message
},
{
name: "locale",
type: "string"
},
{
name: "mapRoot",
type: "string",
description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations,
paramType: ts.Diagnostics.LOCATION
},
{
name: "module",
shortName: "m",
type: {
"commonjs": 1 /* CommonJS */,
"amd": 2 /* AMD */
},
description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_or_amd,
paramType: ts.Diagnostics.KIND,
error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_or_amd
},
{
name: "noEmitOnError",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_outputs_if_any_type_checking_errors_were_reported
},
{
name: "noImplicitAny",
type: "boolean",
description: ts.Diagnostics.Warn_on_expressions_and_declarations_with_an_implied_any_type
},
{
name: "noLib",
type: "boolean"
},
{
name: "noLibCheck",
type: "boolean"
},
{
name: "noResolve",
type: "boolean"
},
{
name: "out",
type: "string",
description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file,
paramType: ts.Diagnostics.FILE
},
{
name: "outDir",
type: "string",
description: ts.Diagnostics.Redirect_output_structure_to_the_directory,
paramType: ts.Diagnostics.DIRECTORY
},
{
name: "preserveConstEnums",
type: "boolean",
description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code
},
{
name: "removeComments",
type: "boolean",
description: ts.Diagnostics.Do_not_emit_comments_to_output
},
{
name: "sourceMap",
type: "boolean",
description: ts.Diagnostics.Generates_corresponding_map_file
},
{
name: "sourceRoot",
type: "string",
description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations,
paramType: ts.Diagnostics.LOCATION
},
{
name: "suppressImplicitAnyIndexErrors",
type: "boolean",
description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures
},
{
name: "target",
shortName: "t",
type: { "es3": 0 /* ES3 */, "es5": 1 /* ES5 */, "es6": 2 /* ES6 */ },
description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES6_experimental,
paramType: ts.Diagnostics.VERSION,
error: ts.Diagnostics.Argument_for_target_option_must_be_es3_es5_or_es6
},
{
name: "version",
shortName: "v",
type: "boolean",
description: ts.Diagnostics.Print_the_compiler_s_version
},
{
name: "watch",
shortName: "w",
type: "boolean",
description: ts.Diagnostics.Watch_input_files
}
];
var shortOptionNames = {};
var optionNameMap = {};
ts.forEach(ts.optionDeclarations, function (option) {
optionNameMap[option.name.toLowerCase()] = option;
if (option.shortName) {
shortOptionNames[option.shortName] = option.name;
}
});
function parseCommandLine(commandLine) {
var options = {
target: 0 /* ES3 */,
module: 0 /* None */
};
var filenames = [];
var errors = [];
parseStrings(commandLine);
return {
options: options,
filenames: filenames,
errors: errors
};
function parseStrings(args) {
var i = 0;
while (i < args.length) {
var s = args[i++];
if (s.charCodeAt(0) === 64 /* at */) {
parseResponseFile(s.slice(1));
}
else if (s.charCodeAt(0) === 45 /* minus */) {
s = s.slice(s.charCodeAt(1) === 45 /* minus */ ? 2 : 1).toLowerCase();
if (ts.hasProperty(shortOptionNames, s)) {
s = shortOptionNames[s];
}
if (ts.hasProperty(optionNameMap, s)) {
var opt = optionNameMap[s];
if (!args[i] && opt.type !== "boolean") {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name));
}
switch (opt.type) {
case "number":
options[opt.name] = parseInt(args[i++]);
break;
case "boolean":
options[opt.name] = true;
break;
case "string":
options[opt.name] = args[i++] || "";
break;
default:
var map = opt.type;
var key = (args[i++] || "").toLowerCase();
if (ts.hasProperty(map, key)) {
options[opt.name] = map[key];
}
else {
errors.push(ts.createCompilerDiagnostic(opt.error));
}
}
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s));
}
}
else {
filenames.push(s);
}
}
}
function parseResponseFile(filename) {
var text = ts.sys.readFile(filename);
if (!text) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, filename));
return;
}
var args = [];
var pos = 0;
while (true) {
while (pos < text.length && text.charCodeAt(pos) <= 32 /* space */)
pos++;
if (pos >= text.length)
break;
var start = pos;
if (text.charCodeAt(start) === 34 /* doubleQuote */) {
pos++;
while (pos < text.length && text.charCodeAt(pos) !== 34 /* doubleQuote */)
pos++;
if (pos < text.length) {
args.push(text.substring(start + 1, pos));
pos++;
}
else {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, filename));
}
}
else {
while (text.charCodeAt(pos) > 32 /* space */)
pos++;
args.push(text.substring(start, pos));
}
}
parseStrings(args);
}
}
ts.parseCommandLine = parseCommandLine;
})(ts || (ts = {}));
var ts;
(function (ts) {
var version = "1.4.1.0";
function validateLocaleAndSetLanguage(locale, errors) {
var matchResult = /^([a-z]+)([_\-]([a-z]+))?$/.exec(locale.toLowerCase());
if (!matchResult) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1, 'en', 'ja-jp'));
return false;
}
var language = matchResult[1];
var territory = matchResult[3];
if (!trySetLanguageAndTerritory(language, territory, errors) && !trySetLanguageAndTerritory(language, undefined, errors)) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_locale_0, locale));
return false;
}
return true;
}
function trySetLanguageAndTerritory(language, territory, errors) {
var compilerFilePath = ts.normalizePath(ts.sys.getExecutingFilePath());
var containingDirectoryPath = ts.getDirectoryPath(compilerFilePath);
var filePath = ts.combinePaths(containingDirectoryPath, language);
if (territory) {
filePath = filePath + "-" + territory;
}
filePath = ts.sys.resolvePath(ts.combinePaths(filePath, "diagnosticMessages.generated.json"));
if (!ts.sys.fileExists(filePath)) {
return false;
}
try {
var fileContents = ts.sys.readFile(filePath);
}
catch (e) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unable_to_open_file_0, filePath));
return false;
}
try {
ts.localizedDiagnosticMessages = JSON.parse(fileContents);
}
catch (e) {
errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Corrupted_locale_file_0, filePath));
return false;
}
return true;
}
function countLines(program) {
var count = 0;
ts.forEach(program.getSourceFiles(), function (file) {
count += file.getLineAndCharacterFromPosition(file.end).line;
});
return count;
}
function getDiagnosticText(message) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
var diagnostic = ts.createCompilerDiagnostic.apply(undefined, arguments);
return diagnostic.messageText;
}
function reportDiagnostic(diagnostic) {
var output = "";
if (diagnostic.file) {
var loc = diagnostic.file.getLineAndCharacterFromPosition(diagnostic.start);
output += diagnostic.file.filename + "(" + loc.line + "," + loc.character + "): ";
}
var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase();
output += category + " TS" + diagnostic.code + ": " + diagnostic.messageText + ts.sys.newLine;
ts.sys.write(output);
}
function reportDiagnostics(diagnostics) {
for (var i = 0; i < diagnostics.length; i++) {
reportDiagnostic(diagnostics[i]);
}
}
function padLeft(s, length) {
while (s.length < length) {
s = " " + s;
}
return s;
}
function padRight(s, length) {
while (s.length < length) {
s = s + " ";
}
return s;
}
function reportStatisticalValue(name, value) {
ts.sys.write(padRight(name + ":", 12) + padLeft(value.toString(), 10) + ts.sys.newLine);
}
function reportCountStatistic(name, count) {
reportStatisticalValue(name, "" + count);
}
function reportTimeStatistic(name, time) {
reportStatisticalValue(name, (time / 1000).toFixed(2) + "s");
}
function executeCommandLine(args) {
var commandLine = ts.parseCommandLine(args);
var compilerOptions = commandLine.options;
if (compilerOptions.locale) {
if (typeof JSON === "undefined") {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--locale"));
return ts.sys.exit(1);
}
validateLocaleAndSetLanguage(commandLine.options.locale, commandLine.errors);
}
if (commandLine.errors.length > 0) {
reportDiagnostics(commandLine.errors);
return ts.sys.exit(5 /* CompilerOptionsErrors */);
}
if (compilerOptions.version) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Version_0, version));
return ts.sys.exit(0 /* Succeeded */);
}
if (compilerOptions.help) {
printVersion();
printHelp();
return ts.sys.exit(0 /* Succeeded */);
}
if (commandLine.filenames.length === 0) {
printVersion();
printHelp();
return ts.sys.exit(5 /* CompilerOptionsErrors */);
}
var defaultCompilerHost = ts.createCompilerHost(compilerOptions);
if (compilerOptions.watch) {
if (!ts.sys.watchFile) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--watch"));
return ts.sys.exit(5 /* CompilerOptionsErrors */);
}
watchProgram(commandLine, defaultCompilerHost);
}
else {
var result = compile(commandLine, defaultCompilerHost).exitStatus;
return ts.sys.exit(result);
}
}
ts.executeCommandLine = executeCommandLine;
function watchProgram(commandLine, compilerHost) {
var watchers = {};
var updatedFiles = {};
var program = compile(commandLine, compilerHost).program;
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Compilation_complete_Watching_for_file_changes));
addWatchers(program);
return;
function addWatchers(program) {
ts.forEach(program.getSourceFiles(), function (f) {
var filename = getCanonicalName(f.filename);
watchers[filename] = ts.sys.watchFile(filename, fileUpdated);
});
}
function removeWatchers(program) {
ts.forEach(program.getSourceFiles(), function (f) {
var filename = getCanonicalName(f.filename);
if (ts.hasProperty(watchers, filename)) {
watchers[filename].close();
}
});
watchers = {};
}
function fileUpdated(filename) {
var firstNotification = ts.isEmpty(updatedFiles);
updatedFiles[getCanonicalName(filename)] = true;
if (firstNotification) {
setTimeout(function () {
var changedFiles = updatedFiles;
updatedFiles = {};
recompile(changedFiles);
}, 250);
}
}
function recompile(changedFiles) {
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.File_change_detected_Compiling));
removeWatchers(program);
var oldSourceFiles = ts.arrayToMap(ts.filter(program.getSourceFiles(), function (file) { return !ts.hasProperty(changedFiles, getCanonicalName(file.filename)); }), function (file) { return getCanonicalName(file.filename); });
var newCompilerHost = ts.clone(compilerHost);
newCompilerHost.getSourceFile = function (fileName, languageVersion, onError) {
fileName = getCanonicalName(fileName);
var sourceFile = ts.lookUp(oldSourceFiles, fileName);
if (sourceFile) {
return sourceFile;
}
return compilerHost.getSourceFile(fileName, languageVersion, onError);
};
program = compile(commandLine, newCompilerHost).program;
reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Compilation_complete_Watching_for_file_changes));
addWatchers(program);
}
function getCanonicalName(fileName) {
return compilerHost.getCanonicalFileName(fileName);
}
}
function compile(commandLine, compilerHost) {
var parseStart = new Date().getTime();
var compilerOptions = commandLine.options;
var program = ts.createProgram(commandLine.filenames, compilerOptions, compilerHost);
var bindStart = new Date().getTime();
var errors = program.getDiagnostics();
var exitStatus;
if (errors.length) {
var checkStart = bindStart;
var emitStart = bindStart;
var reportStart = bindStart;
exitStatus = 1 /* AllOutputGenerationSkipped */;
}
else {
var checker = program.getTypeChecker(true);
var checkStart = new Date().getTime();
errors = checker.getDiagnostics();
if (checker.isEmitBlocked()) {
exitStatus = 1 /* AllOutputGenerationSkipped */;
}
else {
var emitStart = new Date().getTime();
var emitOutput = checker.emitFiles();
var emitErrors = emitOutput.diagnostics;
exitStatus = emitOutput.emitResultStatus;
var reportStart = new Date().getTime();
errors = ts.concatenate(errors, emitErrors);
}
}
reportDiagnostics(errors);
if (commandLine.options.diagnostics) {
var memoryUsed = ts.sys.getMemoryUsage ? ts.sys.getMemoryUsage() : -1;
reportCountStatistic("Files", program.getSourceFiles().length);
reportCountStatistic("Lines", countLines(program));
reportCountStatistic("Nodes", checker ? checker.getNodeCount() : 0);
reportCountStatistic("Identifiers", checker ? checker.getIdentifierCount() : 0);
reportCountStatistic("Symbols", checker ? checker.getSymbolCount() : 0);
reportCountStatistic("Types", checker ? checker.getTypeCount() : 0);
if (memoryUsed >= 0) {
reportStatisticalValue("Memory used", Math.round(memoryUsed / 1000) + "K");
}
reportTimeStatistic("Parse time", bindStart - parseStart);
reportTimeStatistic("Bind time", checkStart - bindStart);
reportTimeStatistic("Check time", emitStart - checkStart);
reportTimeStatistic("Emit time", reportStart - emitStart);
reportTimeStatistic("Total time", reportStart - parseStart);
}
return { program: program, exitStatus: exitStatus };
}
function printVersion() {
ts.sys.write(getDiagnosticText(ts.Diagnostics.Version_0, version) + ts.sys.newLine);
}
function printHelp() {
var output = "";
var syntaxLength = getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, "").length;
var examplesLength = getDiagnosticText(ts.Diagnostics.Examples_Colon_0, "").length;
var marginLength = Math.max(syntaxLength, examplesLength);
var syntax = makePadding(marginLength - syntaxLength);
syntax += "tsc [" + getDiagnosticText(ts.Diagnostics.options) + "] [" + getDiagnosticText(ts.Diagnostics.file) + " ...]";
output += getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, syntax);
output += ts.sys.newLine + ts.sys.newLine;
var padding = makePadding(marginLength);
output += getDiagnosticText(ts.Diagnostics.Examples_Colon_0, makePadding(marginLength - examplesLength) + "tsc hello.ts") + ts.sys.newLine;
output += padding + "tsc --out file.js file.ts" + ts.sys.newLine;
output += padding + "tsc @args.txt" + ts.sys.newLine;
output += ts.sys.newLine;
output += getDiagnosticText(ts.Diagnostics.Options_Colon) + ts.sys.newLine;
var optsList = ts.optionDeclarations.slice();
optsList.sort(function (a, b) { return ts.compareValues(a.name.toLowerCase(), b.name.toLowerCase()); });
var marginLength = 0;
var usageColumn = [];
var descriptionColumn = [];
for (var i = 0; i < optsList.length; i++) {
var option = optsList[i];
if (!option.description) {
continue;
}
var usageText = " ";
if (option.shortName) {
usageText += "-" + option.shortName;
usageText += getParamType(option);
usageText += ", ";
}
usageText += "--" + option.name;
usageText += getParamType(option);
usageColumn.push(usageText);
descriptionColumn.push(getDiagnosticText(option.description));
marginLength = Math.max(usageText.length, marginLength);
}
var usageText = " @<" + getDiagnosticText(ts.Diagnostics.file) + ">";
usageColumn.push(usageText);
descriptionColumn.push(getDiagnosticText(ts.Diagnostics.Insert_command_line_options_and_files_from_a_file));
marginLength = Math.max(usageText.length, marginLength);
for (var i = 0; i < usageColumn.length; i++) {
var usage = usageColumn[i];
var description = descriptionColumn[i];
output += usage + makePadding(marginLength - usage.length + 2) + description + ts.sys.newLine;
}
ts.sys.write(output);
return;
function getParamType(option) {
if (option.paramType !== undefined) {
return " " + getDiagnosticText(option.paramType);
}
return "";
}
function makePadding(paddingLength) {
return Array(paddingLength + 1).join(" ");
}
}
})(ts || (ts = {}));
ts.executeCommandLine(ts.sys.args);