vendor/assets/javascripts/handlebars.js in handlebars_assets-0.12.0 vs vendor/assets/javascripts/handlebars.js in handlebars_assets-0.12.1

- old
+ new

@@ -20,52 +20,62 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +// lib/handlebars/browser-prefix.js +var Handlebars = {}; + +(function(Handlebars, undefined) { +; // lib/handlebars/base.js -/*jshint eqnull:true*/ -this.Handlebars = {}; +Handlebars.VERSION = "1.0.0-rc.4"; +Handlebars.COMPILER_REVISION = 3; -(function(Handlebars) { - -Handlebars.VERSION = "1.0.0-rc.3"; -Handlebars.COMPILER_REVISION = 2; - Handlebars.REVISION_CHANGES = { 1: '<= 1.0.rc.2', // 1.0.rc.2 is actually rev2 but doesn't report it - 2: '>= 1.0.0-rc.3' + 2: '== 1.0.0-rc.3', + 3: '>= 1.0.0-rc.4' }; Handlebars.helpers = {}; Handlebars.partials = {}; +var toString = Object.prototype.toString, + functionType = '[object Function]', + objectType = '[object Object]'; + Handlebars.registerHelper = function(name, fn, inverse) { - if(inverse) { fn.not = inverse; } - this.helpers[name] = fn; + if (toString.call(name) === objectType) { + if (inverse || fn) { throw new Handlebars.Exception('Arg not supported with multiple helpers'); } + Handlebars.Utils.extend(this.helpers, name); + } else { + if (inverse) { fn.not = inverse; } + this.helpers[name] = fn; + } }; Handlebars.registerPartial = function(name, str) { - this.partials[name] = str; + if (toString.call(name) === objectType) { + Handlebars.Utils.extend(this.partials, name); + } else { + this.partials[name] = str; + } }; Handlebars.registerHelper('helperMissing', function(arg) { if(arguments.length === 2) { return undefined; } else { throw new Error("Could not find property '" + arg + "'"); } }); -var toString = Object.prototype.toString, functionType = "[object Function]"; - Handlebars.registerHelper('blockHelperMissing', function(context, options) { var inverse = options.inverse || function() {}, fn = options.fn; - - var ret = ""; var type = toString.call(context); if(type === functionType) { context = context.call(this); } if(context === true) { @@ -152,27 +162,21 @@ return options.fn(this); } }); Handlebars.registerHelper('unless', function(context, options) { - var fn = options.fn, inverse = options.inverse; - options.fn = inverse; - options.inverse = fn; - - return Handlebars.helpers['if'].call(this, context, options); + return Handlebars.helpers['if'].call(this, context, {fn: options.inverse, inverse: options.fn}); }); Handlebars.registerHelper('with', function(context, options) { - return options.fn(context); + if (!Handlebars.Utils.isEmpty(context)) return options.fn(context); }); Handlebars.registerHelper('log', function(context, options) { var level = options.data && options.data.level != null ? parseInt(options.data.level, 10) : 1; Handlebars.log(level, context); }); - -}(this.Handlebars)); ; // lib/handlebars/compiler/parser.js /* Jison generated parser */ var handlebars = (function(){ var parser = {trace: function trace() { }, @@ -560,237 +564,234 @@ lexer.options = {}; lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) { var YYSTATE=YY_START switch($avoiding_name_collisions) { -case 0: +case 0: yy_.yytext = "\\"; return 14; +break; +case 1: if(yy_.yytext.slice(-1) !== "\\") this.begin("mu"); if(yy_.yytext.slice(-1) === "\\") yy_.yytext = yy_.yytext.substr(0,yy_.yyleng-1), this.begin("emu"); if(yy_.yytext) return 14; break; -case 1: return 14; +case 2: return 14; break; -case 2: +case 3: if(yy_.yytext.slice(-1) !== "\\") this.popState(); if(yy_.yytext.slice(-1) === "\\") yy_.yytext = yy_.yytext.substr(0,yy_.yyleng-1); return 14; break; -case 3: yy_.yytext = yy_.yytext.substr(0, yy_.yyleng-4); this.popState(); return 15; +case 4: yy_.yytext = yy_.yytext.substr(0, yy_.yyleng-4); this.popState(); return 15; break; -case 4: this.begin("par"); return 24; +case 5: this.begin("par"); return 24; break; -case 5: return 16; +case 6: return 16; break; -case 6: return 20; +case 7: return 20; break; -case 7: return 19; -break; case 8: return 19; break; -case 9: return 23; +case 9: return 19; break; case 10: return 23; break; -case 11: this.popState(); this.begin('com'); +case 11: return 23; break; -case 12: yy_.yytext = yy_.yytext.substr(3,yy_.yyleng-5); this.popState(); return 15; +case 12: this.popState(); this.begin('com'); break; -case 13: return 22; +case 13: yy_.yytext = yy_.yytext.substr(3,yy_.yyleng-5); this.popState(); return 15; break; -case 14: return 36; +case 14: return 22; break; -case 15: return 35; +case 15: return 36; break; case 16: return 35; break; -case 17: return 39; +case 17: return 35; break; -case 18: /*ignore whitespace*/ +case 18: return 39; break; -case 19: this.popState(); return 18; +case 19: /*ignore whitespace*/ break; case 20: this.popState(); return 18; break; -case 21: yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2).replace(/\\"/g,'"'); return 30; +case 21: this.popState(); return 18; break; -case 22: yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2).replace(/\\'/g,"'"); return 30; +case 22: yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2).replace(/\\"/g,'"'); return 30; break; -case 23: yy_.yytext = yy_.yytext.substr(1); return 28; +case 23: yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2).replace(/\\'/g,"'"); return 30; break; -case 24: return 32; +case 24: yy_.yytext = yy_.yytext.substr(1); return 28; break; case 25: return 32; break; -case 26: return 31; +case 26: return 32; break; -case 27: return 35; +case 27: return 31; break; -case 28: yy_.yytext = yy_.yytext.substr(1, yy_.yyleng-2); return 35; +case 28: return 35; break; -case 29: return 'INVALID'; +case 29: yy_.yytext = yy_.yytext.substr(1, yy_.yyleng-2); return 35; break; -case 30: /*ignore whitespace*/ +case 30: return 'INVALID'; break; -case 31: this.popState(); return 37; +case 31: /*ignore whitespace*/ break; -case 32: return 5; +case 32: this.popState(); return 37; break; +case 33: return 5; +break; } }; -lexer.rules = [/^(?:[^\x00]*?(?=(\{\{)))/,/^(?:[^\x00]+)/,/^(?:[^\x00]{2,}?(?=(\{\{|$)))/,/^(?:[\s\S]*?--\}\})/,/^(?:\{\{>)/,/^(?:\{\{#)/,/^(?:\{\{\/)/,/^(?:\{\{\^)/,/^(?:\{\{\s*else\b)/,/^(?:\{\{\{)/,/^(?:\{\{&)/,/^(?:\{\{!--)/,/^(?:\{\{![\s\S]*?\}\})/,/^(?:\{\{)/,/^(?:=)/,/^(?:\.(?=[} ]))/,/^(?:\.\.)/,/^(?:[\/.])/,/^(?:\s+)/,/^(?:\}\}\})/,/^(?:\}\})/,/^(?:"(\\["]|[^"])*")/,/^(?:'(\\[']|[^'])*')/,/^(?:@[a-zA-Z]+)/,/^(?:true(?=[}\s]))/,/^(?:false(?=[}\s]))/,/^(?:[0-9]+(?=[}\s]))/,/^(?:[a-zA-Z0-9_$-]+(?=[=}\s\/.]))/,/^(?:\[[^\]]*\])/,/^(?:.)/,/^(?:\s+)/,/^(?:[a-zA-Z0-9_$-/]+)/,/^(?:$)/]; -lexer.conditions = {"mu":{"rules":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,32],"inclusive":false},"emu":{"rules":[2],"inclusive":false},"com":{"rules":[3],"inclusive":false},"par":{"rules":[30,31],"inclusive":false},"INITIAL":{"rules":[0,1,32],"inclusive":true}}; +lexer.rules = [/^(?:\\\\(?=(\{\{)))/,/^(?:[^\x00]*?(?=(\{\{)))/,/^(?:[^\x00]+)/,/^(?:[^\x00]{2,}?(?=(\{\{|$)))/,/^(?:[\s\S]*?--\}\})/,/^(?:\{\{>)/,/^(?:\{\{#)/,/^(?:\{\{\/)/,/^(?:\{\{\^)/,/^(?:\{\{\s*else\b)/,/^(?:\{\{\{)/,/^(?:\{\{&)/,/^(?:\{\{!--)/,/^(?:\{\{![\s\S]*?\}\})/,/^(?:\{\{)/,/^(?:=)/,/^(?:\.(?=[}/ ]))/,/^(?:\.\.)/,/^(?:[\/.])/,/^(?:\s+)/,/^(?:\}\}\})/,/^(?:\}\})/,/^(?:"(\\["]|[^"])*")/,/^(?:'(\\[']|[^'])*')/,/^(?:@[a-zA-Z]+)/,/^(?:true(?=[}\s]))/,/^(?:false(?=[}\s]))/,/^(?:-?[0-9]+(?=[}\s]))/,/^(?:[a-zA-Z0-9_$:\-]+(?=[=}\s\/.]))/,/^(?:\[[^\]]*\])/,/^(?:.)/,/^(?:\s+)/,/^(?:[a-zA-Z0-9_$\-\/]+)/,/^(?:$)/]; +lexer.conditions = {"mu":{"rules":[5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,33],"inclusive":false},"emu":{"rules":[3],"inclusive":false},"com":{"rules":[4],"inclusive":false},"par":{"rules":[31,32],"inclusive":false},"INITIAL":{"rules":[0,1,2,33],"inclusive":true}}; return lexer;})() parser.lexer = lexer; function Parser () { this.yy = {}; }Parser.prototype = parser;parser.Parser = Parser; return new Parser; })();; // lib/handlebars/compiler/base.js + Handlebars.Parser = handlebars; Handlebars.parse = function(input) { // Just return if an already-compile AST was passed in. if(input.constructor === Handlebars.AST.ProgramNode) { return input; } Handlebars.Parser.yy = Handlebars.AST; return Handlebars.Parser.parse(input); }; - -Handlebars.print = function(ast) { - return new Handlebars.PrintVisitor().accept(ast); -};; +; // lib/handlebars/compiler/ast.js -(function() { +Handlebars.AST = {}; - Handlebars.AST = {}; +Handlebars.AST.ProgramNode = function(statements, inverse) { + this.type = "program"; + this.statements = statements; + if(inverse) { this.inverse = new Handlebars.AST.ProgramNode(inverse); } +}; - Handlebars.AST.ProgramNode = function(statements, inverse) { - this.type = "program"; - this.statements = statements; - if(inverse) { this.inverse = new Handlebars.AST.ProgramNode(inverse); } - }; +Handlebars.AST.MustacheNode = function(rawParams, hash, unescaped) { + this.type = "mustache"; + this.escaped = !unescaped; + this.hash = hash; - Handlebars.AST.MustacheNode = function(rawParams, hash, unescaped) { - this.type = "mustache"; - this.escaped = !unescaped; - this.hash = hash; + var id = this.id = rawParams[0]; + var params = this.params = rawParams.slice(1); - var id = this.id = rawParams[0]; - var params = this.params = rawParams.slice(1); + // a mustache is an eligible helper if: + // * its id is simple (a single part, not `this` or `..`) + var eligibleHelper = this.eligibleHelper = id.isSimple; - // a mustache is an eligible helper if: - // * its id is simple (a single part, not `this` or `..`) - var eligibleHelper = this.eligibleHelper = id.isSimple; + // a mustache is definitely a helper if: + // * it is an eligible helper, and + // * it has at least one parameter or hash segment + this.isHelper = eligibleHelper && (params.length || hash); - // a mustache is definitely a helper if: - // * it is an eligible helper, and - // * it has at least one parameter or hash segment - this.isHelper = eligibleHelper && (params.length || hash); + // if a mustache is an eligible helper but not a definite + // helper, it is ambiguous, and will be resolved in a later + // pass or at runtime. +}; - // if a mustache is an eligible helper but not a definite - // helper, it is ambiguous, and will be resolved in a later - // pass or at runtime. - }; +Handlebars.AST.PartialNode = function(partialName, context) { + this.type = "partial"; + this.partialName = partialName; + this.context = context; +}; - Handlebars.AST.PartialNode = function(partialName, context) { - this.type = "partial"; - this.partialName = partialName; - this.context = context; - }; - +Handlebars.AST.BlockNode = function(mustache, program, inverse, close) { var verifyMatch = function(open, close) { if(open.original !== close.original) { throw new Handlebars.Exception(open.original + " doesn't match " + close.original); } }; - Handlebars.AST.BlockNode = function(mustache, program, inverse, close) { - verifyMatch(mustache.id, close); - this.type = "block"; - this.mustache = mustache; - this.program = program; - this.inverse = inverse; + verifyMatch(mustache.id, close); + this.type = "block"; + this.mustache = mustache; + this.program = program; + this.inverse = inverse; - if (this.inverse && !this.program) { - this.isInverse = true; - } - }; + if (this.inverse && !this.program) { + this.isInverse = true; + } +}; - Handlebars.AST.ContentNode = function(string) { - this.type = "content"; - this.string = string; - }; +Handlebars.AST.ContentNode = function(string) { + this.type = "content"; + this.string = string; +}; - Handlebars.AST.HashNode = function(pairs) { - this.type = "hash"; - this.pairs = pairs; - }; +Handlebars.AST.HashNode = function(pairs) { + this.type = "hash"; + this.pairs = pairs; +}; - Handlebars.AST.IdNode = function(parts) { - this.type = "ID"; - this.original = parts.join("."); +Handlebars.AST.IdNode = function(parts) { + this.type = "ID"; + this.original = parts.join("."); - var dig = [], depth = 0; + var dig = [], depth = 0; - for(var i=0,l=parts.length; i<l; i++) { - var part = parts[i]; + for(var i=0,l=parts.length; i<l; i++) { + var part = parts[i]; - if (part === ".." || part === "." || part === "this") { - if (dig.length > 0) { throw new Handlebars.Exception("Invalid path: " + this.original); } - else if (part === "..") { depth++; } - else { this.isScoped = true; } - } - else { dig.push(part); } + if (part === ".." || part === "." || part === "this") { + if (dig.length > 0) { throw new Handlebars.Exception("Invalid path: " + this.original); } + else if (part === "..") { depth++; } + else { this.isScoped = true; } } + else { dig.push(part); } + } - this.parts = dig; - this.string = dig.join('.'); - this.depth = depth; + this.parts = dig; + this.string = dig.join('.'); + this.depth = depth; - // an ID is simple if it only has one part, and that part is not - // `..` or `this`. - this.isSimple = parts.length === 1 && !this.isScoped && depth === 0; + // an ID is simple if it only has one part, and that part is not + // `..` or `this`. + this.isSimple = parts.length === 1 && !this.isScoped && depth === 0; - this.stringModeValue = this.string; - }; + this.stringModeValue = this.string; +}; - Handlebars.AST.PartialNameNode = function(name) { - this.type = "PARTIAL_NAME"; - this.name = name; - }; +Handlebars.AST.PartialNameNode = function(name) { + this.type = "PARTIAL_NAME"; + this.name = name; +}; - Handlebars.AST.DataNode = function(id) { - this.type = "DATA"; - this.id = id; - }; +Handlebars.AST.DataNode = function(id) { + this.type = "DATA"; + this.id = id; +}; - Handlebars.AST.StringNode = function(string) { - this.type = "STRING"; - this.string = string; - this.stringModeValue = string; - }; +Handlebars.AST.StringNode = function(string) { + this.type = "STRING"; + this.string = string; + this.stringModeValue = string; +}; - Handlebars.AST.IntegerNode = function(integer) { - this.type = "INTEGER"; - this.integer = integer; - this.stringModeValue = Number(integer); - }; +Handlebars.AST.IntegerNode = function(integer) { + this.type = "INTEGER"; + this.integer = integer; + this.stringModeValue = Number(integer); +}; - Handlebars.AST.BooleanNode = function(bool) { - this.type = "BOOLEAN"; - this.bool = bool; - this.stringModeValue = bool === "true"; - }; +Handlebars.AST.BooleanNode = function(bool) { + this.type = "BOOLEAN"; + this.bool = bool; + this.stringModeValue = bool === "true"; +}; - Handlebars.AST.CommentNode = function(comment) { - this.type = "comment"; - this.comment = comment; - }; - -})();; +Handlebars.AST.CommentNode = function(comment) { + this.type = "comment"; + this.comment = comment; +}; +; // lib/handlebars/utils.js var errorProps = ['description', 'fileName', 'lineNumber', 'message', 'name', 'number', 'stack']; Handlebars.Exception = function(message) { @@ -809,1302 +810,1330 @@ }; Handlebars.SafeString.prototype.toString = function() { return this.string.toString(); }; -(function() { - var escape = { - "&": "&amp;", - "<": "&lt;", - ">": "&gt;", - '"': "&quot;", - "'": "&#x27;", - "`": "&#x60;" - }; +var escape = { + "&": "&amp;", + "<": "&lt;", + ">": "&gt;", + '"': "&quot;", + "'": "&#x27;", + "`": "&#x60;" +}; - var badChars = /[&<>"'`]/g; - var possible = /[&<>"'`]/; +var badChars = /[&<>"'`]/g; +var possible = /[&<>"'`]/; - var escapeChar = function(chr) { - return escape[chr] || "&amp;"; - }; +var escapeChar = function(chr) { + return escape[chr] || "&amp;"; +}; - Handlebars.Utils = { - escapeExpression: function(string) { - // don't escape SafeStrings, since they're already safe - if (string instanceof Handlebars.SafeString) { - return string.toString(); - } else if (string == null || string === false) { - return ""; +Handlebars.Utils = { + extend: function(obj, value) { + for(var key in value) { + if(value.hasOwnProperty(key)) { + obj[key] = value[key]; } + } + }, - if(!possible.test(string)) { return string; } - return string.replace(badChars, escapeChar); - }, + escapeExpression: function(string) { + // don't escape SafeStrings, since they're already safe + if (string instanceof Handlebars.SafeString) { + return string.toString(); + } else if (string == null || string === false) { + return ""; + } - isEmpty: function(value) { - if (!value && value !== 0) { - return true; - } else if(Object.prototype.toString.call(value) === "[object Array]" && value.length === 0) { - return true; - } else { - return false; - } + // Force a string conversion as this will be done by the append regardless and + // the regex test will do this transparently behind the scenes, causing issues if + // an object's to string has escaped characters in it. + string = string.toString(); + + if(!possible.test(string)) { return string; } + return string.replace(badChars, escapeChar); + }, + + isEmpty: function(value) { + if (!value && value !== 0) { + return true; + } else if(toString.call(value) === "[object Array]" && value.length === 0) { + return true; + } else { + return false; } - }; -})();; + } +}; +; // lib/handlebars/compiler/compiler.js /*jshint eqnull:true*/ -Handlebars.Compiler = function() {}; -Handlebars.JavaScriptCompiler = function() {}; +var Compiler = Handlebars.Compiler = function() {}; +var JavaScriptCompiler = Handlebars.JavaScriptCompiler = function() {}; -(function(Compiler, JavaScriptCompiler) { - // the foundHelper register will disambiguate helper lookup from finding a - // function in a context. This is necessary for mustache compatibility, which - // requires that context functions in blocks are evaluated by blockHelperMissing, - // and then proceed as if the resulting value was provided to blockHelperMissing. +// the foundHelper register will disambiguate helper lookup from finding a +// function in a context. This is necessary for mustache compatibility, which +// requires that context functions in blocks are evaluated by blockHelperMissing, +// and then proceed as if the resulting value was provided to blockHelperMissing. - Compiler.prototype = { - compiler: Compiler, +Compiler.prototype = { + compiler: Compiler, - disassemble: function() { - var opcodes = this.opcodes, opcode, out = [], params, param; + disassemble: function() { + var opcodes = this.opcodes, opcode, out = [], params, param; - for (var i=0, l=opcodes.length; i<l; i++) { - opcode = opcodes[i]; + for (var i=0, l=opcodes.length; i<l; i++) { + opcode = opcodes[i]; - if (opcode.opcode === 'DECLARE') { - out.push("DECLARE " + opcode.name + "=" + opcode.value); - } else { - params = []; - for (var j=0; j<opcode.args.length; j++) { - param = opcode.args[j]; - if (typeof param === "string") { - param = "\"" + param.replace("\n", "\\n") + "\""; - } - params.push(param); + if (opcode.opcode === 'DECLARE') { + out.push("DECLARE " + opcode.name + "=" + opcode.value); + } else { + params = []; + for (var j=0; j<opcode.args.length; j++) { + param = opcode.args[j]; + if (typeof param === "string") { + param = "\"" + param.replace("\n", "\\n") + "\""; } - out.push(opcode.opcode + " " + params.join(" ")); + params.push(param); } + out.push(opcode.opcode + " " + params.join(" ")); } + } - return out.join("\n"); - }, - equals: function(other) { - var len = this.opcodes.length; - if (other.opcodes.length !== len) { + return out.join("\n"); + }, + equals: function(other) { + var len = this.opcodes.length; + if (other.opcodes.length !== len) { + return false; + } + + for (var i = 0; i < len; i++) { + var opcode = this.opcodes[i], + otherOpcode = other.opcodes[i]; + if (opcode.opcode !== otherOpcode.opcode || opcode.args.length !== otherOpcode.args.length) { return false; } - - for (var i = 0; i < len; i++) { - var opcode = this.opcodes[i], - otherOpcode = other.opcodes[i]; - if (opcode.opcode !== otherOpcode.opcode || opcode.args.length !== otherOpcode.args.length) { + for (var j = 0; j < opcode.args.length; j++) { + if (opcode.args[j] !== otherOpcode.args[j]) { return false; } - for (var j = 0; j < opcode.args.length; j++) { - if (opcode.args[j] !== otherOpcode.args[j]) { - return false; - } - } } - return true; - }, + } - guid: 0, - - compile: function(program, options) { - this.children = []; - this.depths = {list: []}; - this.options = options; - - // These changes will propagate to the other compiler components - var knownHelpers = this.options.knownHelpers; - this.options.knownHelpers = { - 'helperMissing': true, - 'blockHelperMissing': true, - 'each': true, - 'if': true, - 'unless': true, - 'with': true, - 'log': true - }; - if (knownHelpers) { - for (var name in knownHelpers) { - this.options.knownHelpers[name] = knownHelpers[name]; - } + len = this.children.length; + if (other.children.length !== len) { + return false; + } + for (i = 0; i < len; i++) { + if (!this.children[i].equals(other.children[i])) { + return false; } + } - return this.program(program); - }, + return true; + }, - accept: function(node) { - return this[node.type](node); - }, + guid: 0, - program: function(program) { - var statements = program.statements, statement; - this.opcodes = []; + compile: function(program, options) { + this.children = []; + this.depths = {list: []}; + this.options = options; - for(var i=0, l=statements.length; i<l; i++) { - statement = statements[i]; - this[statement.type](statement); + // These changes will propagate to the other compiler components + var knownHelpers = this.options.knownHelpers; + this.options.knownHelpers = { + 'helperMissing': true, + 'blockHelperMissing': true, + 'each': true, + 'if': true, + 'unless': true, + 'with': true, + 'log': true + }; + if (knownHelpers) { + for (var name in knownHelpers) { + this.options.knownHelpers[name] = knownHelpers[name]; } - this.isSimple = l === 1; + } - this.depths.list = this.depths.list.sort(function(a, b) { - return a - b; - }); + return this.program(program); + }, - return this; - }, + accept: function(node) { + return this[node.type](node); + }, - compileProgram: function(program) { - var result = new this.compiler().compile(program, this.options); - var guid = this.guid++, depth; + program: function(program) { + var statements = program.statements, statement; + this.opcodes = []; - this.usePartial = this.usePartial || result.usePartial; + for(var i=0, l=statements.length; i<l; i++) { + statement = statements[i]; + this[statement.type](statement); + } + this.isSimple = l === 1; - this.children[guid] = result; + this.depths.list = this.depths.list.sort(function(a, b) { + return a - b; + }); - for(var i=0, l=result.depths.list.length; i<l; i++) { - depth = result.depths.list[i]; + return this; + }, - if(depth < 2) { continue; } - else { this.addDepth(depth - 1); } - } + compileProgram: function(program) { + var result = new this.compiler().compile(program, this.options); + var guid = this.guid++, depth; - return guid; - }, + this.usePartial = this.usePartial || result.usePartial; - block: function(block) { - var mustache = block.mustache, - program = block.program, - inverse = block.inverse; + this.children[guid] = result; - if (program) { - program = this.compileProgram(program); - } + for(var i=0, l=result.depths.list.length; i<l; i++) { + depth = result.depths.list[i]; - if (inverse) { - inverse = this.compileProgram(inverse); - } + if(depth < 2) { continue; } + else { this.addDepth(depth - 1); } + } - var type = this.classifyMustache(mustache); + return guid; + }, - if (type === "helper") { - this.helperMustache(mustache, program, inverse); - } else if (type === "simple") { - this.simpleMustache(mustache); + block: function(block) { + var mustache = block.mustache, + program = block.program, + inverse = block.inverse; - // now that the simple mustache is resolved, we need to - // evaluate it by executing `blockHelperMissing` - this.opcode('pushProgram', program); - this.opcode('pushProgram', inverse); - this.opcode('emptyHash'); - this.opcode('blockValue'); - } else { - this.ambiguousMustache(mustache, program, inverse); + if (program) { + program = this.compileProgram(program); + } - // now that the simple mustache is resolved, we need to - // evaluate it by executing `blockHelperMissing` - this.opcode('pushProgram', program); - this.opcode('pushProgram', inverse); - this.opcode('emptyHash'); - this.opcode('ambiguousBlockValue'); - } + if (inverse) { + inverse = this.compileProgram(inverse); + } - this.opcode('append'); - }, + var type = this.classifyMustache(mustache); - hash: function(hash) { - var pairs = hash.pairs, pair, val; + if (type === "helper") { + this.helperMustache(mustache, program, inverse); + } else if (type === "simple") { + this.simpleMustache(mustache); - this.opcode('pushHash'); + // now that the simple mustache is resolved, we need to + // evaluate it by executing `blockHelperMissing` + this.opcode('pushProgram', program); + this.opcode('pushProgram', inverse); + this.opcode('emptyHash'); + this.opcode('blockValue'); + } else { + this.ambiguousMustache(mustache, program, inverse); - for(var i=0, l=pairs.length; i<l; i++) { - pair = pairs[i]; - val = pair[1]; + // now that the simple mustache is resolved, we need to + // evaluate it by executing `blockHelperMissing` + this.opcode('pushProgram', program); + this.opcode('pushProgram', inverse); + this.opcode('emptyHash'); + this.opcode('ambiguousBlockValue'); + } - if (this.options.stringParams) { - this.opcode('pushStringParam', val.stringModeValue, val.type); - } else { - this.accept(val); - } + this.opcode('append'); + }, - this.opcode('assignToHash', pair[0]); - } - this.opcode('popHash'); - }, + hash: function(hash) { + var pairs = hash.pairs, pair, val; - partial: function(partial) { - var partialName = partial.partialName; - this.usePartial = true; + this.opcode('pushHash'); - if(partial.context) { - this.ID(partial.context); + for(var i=0, l=pairs.length; i<l; i++) { + pair = pairs[i]; + val = pair[1]; + + if (this.options.stringParams) { + if(val.depth) { + this.addDepth(val.depth); + } + this.opcode('getContext', val.depth || 0); + this.opcode('pushStringParam', val.stringModeValue, val.type); } else { - this.opcode('push', 'depth0'); + this.accept(val); } - this.opcode('invokePartial', partialName.name); - this.opcode('append'); - }, + this.opcode('assignToHash', pair[0]); + } + this.opcode('popHash'); + }, - content: function(content) { - this.opcode('appendContent', content.string); - }, + partial: function(partial) { + var partialName = partial.partialName; + this.usePartial = true; - mustache: function(mustache) { - var options = this.options; - var type = this.classifyMustache(mustache); + if(partial.context) { + this.ID(partial.context); + } else { + this.opcode('push', 'depth0'); + } - if (type === "simple") { - this.simpleMustache(mustache); - } else if (type === "helper") { - this.helperMustache(mustache); - } else { - this.ambiguousMustache(mustache); - } + this.opcode('invokePartial', partialName.name); + this.opcode('append'); + }, - if(mustache.escaped && !options.noEscape) { - this.opcode('appendEscaped'); - } else { - this.opcode('append'); - } - }, + content: function(content) { + this.opcode('appendContent', content.string); + }, - ambiguousMustache: function(mustache, program, inverse) { - var id = mustache.id, - name = id.parts[0], - isBlock = program != null || inverse != null; + mustache: function(mustache) { + var options = this.options; + var type = this.classifyMustache(mustache); - this.opcode('getContext', id.depth); + if (type === "simple") { + this.simpleMustache(mustache); + } else if (type === "helper") { + this.helperMustache(mustache); + } else { + this.ambiguousMustache(mustache); + } - this.opcode('pushProgram', program); - this.opcode('pushProgram', inverse); + if(mustache.escaped && !options.noEscape) { + this.opcode('appendEscaped'); + } else { + this.opcode('append'); + } + }, - this.opcode('invokeAmbiguous', name, isBlock); - }, + ambiguousMustache: function(mustache, program, inverse) { + var id = mustache.id, + name = id.parts[0], + isBlock = program != null || inverse != null; - simpleMustache: function(mustache) { - var id = mustache.id; + this.opcode('getContext', id.depth); - if (id.type === 'DATA') { - this.DATA(id); - } else if (id.parts.length) { - this.ID(id); - } else { - // Simplified ID for `this` - this.addDepth(id.depth); - this.opcode('getContext', id.depth); - this.opcode('pushContext'); - } + this.opcode('pushProgram', program); + this.opcode('pushProgram', inverse); - this.opcode('resolvePossibleLambda'); - }, + this.opcode('invokeAmbiguous', name, isBlock); + }, - helperMustache: function(mustache, program, inverse) { - var params = this.setupFullMustacheParams(mustache, program, inverse), - name = mustache.id.parts[0]; + simpleMustache: function(mustache) { + var id = mustache.id; - if (this.options.knownHelpers[name]) { - this.opcode('invokeKnownHelper', params.length, name); - } else if (this.knownHelpersOnly) { - throw new Error("You specified knownHelpersOnly, but used the unknown helper " + name); - } else { - this.opcode('invokeHelper', params.length, name); - } - }, - - ID: function(id) { + if (id.type === 'DATA') { + this.DATA(id); + } else if (id.parts.length) { + this.ID(id); + } else { + // Simplified ID for `this` this.addDepth(id.depth); this.opcode('getContext', id.depth); + this.opcode('pushContext'); + } - var name = id.parts[0]; - if (!name) { - this.opcode('pushContext'); - } else { - this.opcode('lookupOnContext', id.parts[0]); - } + this.opcode('resolvePossibleLambda'); + }, - for(var i=1, l=id.parts.length; i<l; i++) { - this.opcode('lookup', id.parts[i]); - } - }, + helperMustache: function(mustache, program, inverse) { + var params = this.setupFullMustacheParams(mustache, program, inverse), + name = mustache.id.parts[0]; - DATA: function(data) { - this.options.data = true; - this.opcode('lookupData', data.id); - }, + if (this.options.knownHelpers[name]) { + this.opcode('invokeKnownHelper', params.length, name); + } else if (this.options.knownHelpersOnly) { + throw new Error("You specified knownHelpersOnly, but used the unknown helper " + name); + } else { + this.opcode('invokeHelper', params.length, name); + } + }, - STRING: function(string) { - this.opcode('pushString', string.string); - }, + ID: function(id) { + this.addDepth(id.depth); + this.opcode('getContext', id.depth); - INTEGER: function(integer) { - this.opcode('pushLiteral', integer.integer); - }, + var name = id.parts[0]; + if (!name) { + this.opcode('pushContext'); + } else { + this.opcode('lookupOnContext', id.parts[0]); + } - BOOLEAN: function(bool) { - this.opcode('pushLiteral', bool.bool); - }, + for(var i=1, l=id.parts.length; i<l; i++) { + this.opcode('lookup', id.parts[i]); + } + }, - comment: function() {}, + DATA: function(data) { + this.options.data = true; + this.opcode('lookupData', data.id); + }, - // HELPERS - opcode: function(name) { - this.opcodes.push({ opcode: name, args: [].slice.call(arguments, 1) }); - }, + STRING: function(string) { + this.opcode('pushString', string.string); + }, - declare: function(name, value) { - this.opcodes.push({ opcode: 'DECLARE', name: name, value: value }); - }, + INTEGER: function(integer) { + this.opcode('pushLiteral', integer.integer); + }, - addDepth: function(depth) { - if(isNaN(depth)) { throw new Error("EWOT"); } - if(depth === 0) { return; } + BOOLEAN: function(bool) { + this.opcode('pushLiteral', bool.bool); + }, - if(!this.depths[depth]) { - this.depths[depth] = true; - this.depths.list.push(depth); - } - }, + comment: function() {}, - classifyMustache: function(mustache) { - var isHelper = mustache.isHelper; - var isEligible = mustache.eligibleHelper; - var options = this.options; + // HELPERS + opcode: function(name) { + this.opcodes.push({ opcode: name, args: [].slice.call(arguments, 1) }); + }, - // if ambiguous, we can possibly resolve the ambiguity now - if (isEligible && !isHelper) { - var name = mustache.id.parts[0]; + declare: function(name, value) { + this.opcodes.push({ opcode: 'DECLARE', name: name, value: value }); + }, - if (options.knownHelpers[name]) { - isHelper = true; - } else if (options.knownHelpersOnly) { - isEligible = false; - } - } + addDepth: function(depth) { + if(isNaN(depth)) { throw new Error("EWOT"); } + if(depth === 0) { return; } - if (isHelper) { return "helper"; } - else if (isEligible) { return "ambiguous"; } - else { return "simple"; } - }, + if(!this.depths[depth]) { + this.depths[depth] = true; + this.depths.list.push(depth); + } + }, - pushParams: function(params) { - var i = params.length, param; + classifyMustache: function(mustache) { + var isHelper = mustache.isHelper; + var isEligible = mustache.eligibleHelper; + var options = this.options; - while(i--) { - param = params[i]; + // if ambiguous, we can possibly resolve the ambiguity now + if (isEligible && !isHelper) { + var name = mustache.id.parts[0]; - if(this.options.stringParams) { - if(param.depth) { - this.addDepth(param.depth); - } - - this.opcode('getContext', param.depth || 0); - this.opcode('pushStringParam', param.stringModeValue, param.type); - } else { - this[param.type](param); - } + if (options.knownHelpers[name]) { + isHelper = true; + } else if (options.knownHelpersOnly) { + isEligible = false; } - }, + } - setupMustacheParams: function(mustache) { - var params = mustache.params; - this.pushParams(params); + if (isHelper) { return "helper"; } + else if (isEligible) { return "ambiguous"; } + else { return "simple"; } + }, - if(mustache.hash) { - this.hash(mustache.hash); - } else { - this.opcode('emptyHash'); - } + pushParams: function(params) { + var i = params.length, param; - return params; - }, + while(i--) { + param = params[i]; - // this will replace setupMustacheParams when we're done - setupFullMustacheParams: function(mustache, program, inverse) { - var params = mustache.params; - this.pushParams(params); + if(this.options.stringParams) { + if(param.depth) { + this.addDepth(param.depth); + } - this.opcode('pushProgram', program); - this.opcode('pushProgram', inverse); - - if(mustache.hash) { - this.hash(mustache.hash); + this.opcode('getContext', param.depth || 0); + this.opcode('pushStringParam', param.stringModeValue, param.type); } else { - this.opcode('emptyHash'); + this[param.type](param); } + } + }, - return params; + setupMustacheParams: function(mustache) { + var params = mustache.params; + this.pushParams(params); + + if(mustache.hash) { + this.hash(mustache.hash); + } else { + this.opcode('emptyHash'); } - }; - var Literal = function(value) { - this.value = value; - }; + return params; + }, - JavaScriptCompiler.prototype = { - // PUBLIC API: You can override these methods in a subclass to provide - // alternative compiled forms for name lookup and buffering semantics - nameLookup: function(parent, name /* , type*/) { - if (/^[0-9]+$/.test(name)) { - return parent + "[" + name + "]"; - } else if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) { - return parent + "." + name; - } - else { - return parent + "['" + name + "']"; - } - }, + // this will replace setupMustacheParams when we're done + setupFullMustacheParams: function(mustache, program, inverse) { + var params = mustache.params; + this.pushParams(params); - appendToBuffer: function(string) { - if (this.environment.isSimple) { - return "return " + string + ";"; - } else { - return { - appendToBuffer: true, - content: string, - toString: function() { return "buffer += " + string + ";"; } - }; - } - }, + this.opcode('pushProgram', program); + this.opcode('pushProgram', inverse); - initializeBuffer: function() { - return this.quotedString(""); - }, + if(mustache.hash) { + this.hash(mustache.hash); + } else { + this.opcode('emptyHash'); + } - namespace: "Handlebars", - // END PUBLIC API + return params; + } +}; - compile: function(environment, options, context, asObject) { - this.environment = environment; - this.options = options || {}; +var Literal = function(value) { + this.value = value; +}; - Handlebars.log(Handlebars.logger.DEBUG, this.environment.disassemble() + "\n\n"); +JavaScriptCompiler.prototype = { + // PUBLIC API: You can override these methods in a subclass to provide + // alternative compiled forms for name lookup and buffering semantics + nameLookup: function(parent, name /* , type*/) { + if (/^[0-9]+$/.test(name)) { + return parent + "[" + name + "]"; + } else if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) { + return parent + "." + name; + } + else { + return parent + "['" + name + "']"; + } + }, - this.name = this.environment.name; - this.isChild = !!context; - this.context = context || { - programs: [], - environments: [], - aliases: { } + appendToBuffer: function(string) { + if (this.environment.isSimple) { + return "return " + string + ";"; + } else { + return { + appendToBuffer: true, + content: string, + toString: function() { return "buffer += " + string + ";"; } }; + } + }, - this.preamble(); + initializeBuffer: function() { + return this.quotedString(""); + }, - this.stackSlot = 0; - this.stackVars = []; - this.registers = { list: [] }; - this.compileStack = []; - this.inlineStack = []; + namespace: "Handlebars", + // END PUBLIC API - this.compileChildren(environment, options); + compile: function(environment, options, context, asObject) { + this.environment = environment; + this.options = options || {}; - var opcodes = environment.opcodes, opcode; + Handlebars.log(Handlebars.logger.DEBUG, this.environment.disassemble() + "\n\n"); - this.i = 0; + this.name = this.environment.name; + this.isChild = !!context; + this.context = context || { + programs: [], + environments: [], + aliases: { } + }; - for(l=opcodes.length; this.i<l; this.i++) { - opcode = opcodes[this.i]; + this.preamble(); - if(opcode.opcode === 'DECLARE') { - this[opcode.name] = opcode.value; - } else { - this[opcode.opcode].apply(this, opcode.args); - } - } + this.stackSlot = 0; + this.stackVars = []; + this.registers = { list: [] }; + this.compileStack = []; + this.inlineStack = []; - return this.createFunctionContext(asObject); - }, + this.compileChildren(environment, options); - nextOpcode: function() { - var opcodes = this.environment.opcodes; - return opcodes[this.i + 1]; - }, + var opcodes = environment.opcodes, opcode; - eat: function() { - this.i = this.i + 1; - }, + this.i = 0; - preamble: function() { - var out = []; + for(l=opcodes.length; this.i<l; this.i++) { + opcode = opcodes[this.i]; - if (!this.isChild) { - var namespace = this.namespace; - var copies = "helpers = helpers || " + namespace + ".helpers;"; - if (this.environment.usePartial) { copies = copies + " partials = partials || " + namespace + ".partials;"; } - if (this.options.data) { copies = copies + " data = data || {};"; } - out.push(copies); + if(opcode.opcode === 'DECLARE') { + this[opcode.name] = opcode.value; } else { - out.push(''); + this[opcode.opcode].apply(this, opcode.args); } + } - if (!this.environment.isSimple) { - out.push(", buffer = " + this.initializeBuffer()); - } else { - out.push(""); - } + return this.createFunctionContext(asObject); + }, - // track the last context pushed into place to allow skipping the - // getContext opcode when it would be a noop - this.lastContext = 0; - this.source = out; - }, + nextOpcode: function() { + var opcodes = this.environment.opcodes; + return opcodes[this.i + 1]; + }, - createFunctionContext: function(asObject) { - var locals = this.stackVars.concat(this.registers.list); + eat: function() { + this.i = this.i + 1; + }, - if(locals.length > 0) { - this.source[1] = this.source[1] + ", " + locals.join(", "); - } + preamble: function() { + var out = []; - // Generate minimizer alias mappings - if (!this.isChild) { - for (var alias in this.context.aliases) { - this.source[1] = this.source[1] + ', ' + alias + '=' + this.context.aliases[alias]; - } - } + if (!this.isChild) { + var namespace = this.namespace; + var copies = "helpers = helpers || " + namespace + ".helpers;"; + if (this.environment.usePartial) { copies = copies + " partials = partials || " + namespace + ".partials;"; } + if (this.options.data) { copies = copies + " data = data || {};"; } + out.push(copies); + } else { + out.push(''); + } - if (this.source[1]) { - this.source[1] = "var " + this.source[1].substring(2) + ";"; - } + if (!this.environment.isSimple) { + out.push(", buffer = " + this.initializeBuffer()); + } else { + out.push(""); + } - // Merge children - if (!this.isChild) { - this.source[1] += '\n' + this.context.programs.join('\n') + '\n'; - } + // track the last context pushed into place to allow skipping the + // getContext opcode when it would be a noop + this.lastContext = 0; + this.source = out; + }, - if (!this.environment.isSimple) { - this.source.push("return buffer;"); - } + createFunctionContext: function(asObject) { + var locals = this.stackVars.concat(this.registers.list); - var params = this.isChild ? ["depth0", "data"] : ["Handlebars", "depth0", "helpers", "partials", "data"]; + if(locals.length > 0) { + this.source[1] = this.source[1] + ", " + locals.join(", "); + } - for(var i=0, l=this.environment.depths.list.length; i<l; i++) { - params.push("depth" + this.environment.depths.list[i]); + // Generate minimizer alias mappings + if (!this.isChild) { + for (var alias in this.context.aliases) { + this.source[1] = this.source[1] + ', ' + alias + '=' + this.context.aliases[alias]; } + } - // Perform a second pass over the output to merge content when possible - var source = this.mergeSource(); + if (this.source[1]) { + this.source[1] = "var " + this.source[1].substring(2) + ";"; + } - if (!this.isChild) { - var revision = Handlebars.COMPILER_REVISION, - versions = Handlebars.REVISION_CHANGES[revision]; - source = "this.compilerInfo = ["+revision+",'"+versions+"'];\n"+source; - } + // Merge children + if (!this.isChild) { + this.source[1] += '\n' + this.context.programs.join('\n') + '\n'; + } - if (asObject) { - params.push(source); + if (!this.environment.isSimple) { + this.source.push("return buffer;"); + } - return Function.apply(this, params); - } else { - var functionSource = 'function ' + (this.name || '') + '(' + params.join(',') + ') {\n ' + source + '}'; - Handlebars.log(Handlebars.logger.DEBUG, functionSource + "\n\n"); - return functionSource; - } - }, - mergeSource: function() { - // WARN: We are not handling the case where buffer is still populated as the source should - // not have buffer append operations as their final action. - var source = '', - buffer; - for (var i = 0, len = this.source.length; i < len; i++) { - var line = this.source[i]; - if (line.appendToBuffer) { - if (buffer) { - buffer = buffer + '\n + ' + line.content; - } else { - buffer = line.content; - } + var params = this.isChild ? ["depth0", "data"] : ["Handlebars", "depth0", "helpers", "partials", "data"]; + + for(var i=0, l=this.environment.depths.list.length; i<l; i++) { + params.push("depth" + this.environment.depths.list[i]); + } + + // Perform a second pass over the output to merge content when possible + var source = this.mergeSource(); + + if (!this.isChild) { + var revision = Handlebars.COMPILER_REVISION, + versions = Handlebars.REVISION_CHANGES[revision]; + source = "this.compilerInfo = ["+revision+",'"+versions+"'];\n"+source; + } + + if (asObject) { + params.push(source); + + return Function.apply(this, params); + } else { + var functionSource = 'function ' + (this.name || '') + '(' + params.join(',') + ') {\n ' + source + '}'; + Handlebars.log(Handlebars.logger.DEBUG, functionSource + "\n\n"); + return functionSource; + } + }, + mergeSource: function() { + // WARN: We are not handling the case where buffer is still populated as the source should + // not have buffer append operations as their final action. + var source = '', + buffer; + for (var i = 0, len = this.source.length; i < len; i++) { + var line = this.source[i]; + if (line.appendToBuffer) { + if (buffer) { + buffer = buffer + '\n + ' + line.content; } else { - if (buffer) { - source += 'buffer += ' + buffer + ';\n '; - buffer = undefined; - } - source += line + '\n '; + buffer = line.content; } + } else { + if (buffer) { + source += 'buffer += ' + buffer + ';\n '; + buffer = undefined; + } + source += line + '\n '; } - return source; - }, + } + return source; + }, - // [blockValue] - // - // On stack, before: hash, inverse, program, value - // On stack, after: return value of blockHelperMissing - // - // The purpose of this opcode is to take a block of the form - // `{{#foo}}...{{/foo}}`, resolve the value of `foo`, and - // replace it on the stack with the result of properly - // invoking blockHelperMissing. - blockValue: function() { - this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing'; + // [blockValue] + // + // On stack, before: hash, inverse, program, value + // On stack, after: return value of blockHelperMissing + // + // The purpose of this opcode is to take a block of the form + // `{{#foo}}...{{/foo}}`, resolve the value of `foo`, and + // replace it on the stack with the result of properly + // invoking blockHelperMissing. + blockValue: function() { + this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing'; - var params = ["depth0"]; - this.setupParams(0, params); + var params = ["depth0"]; + this.setupParams(0, params); - this.replaceStack(function(current) { - params.splice(1, 0, current); - return "blockHelperMissing.call(" + params.join(", ") + ")"; - }); - }, + this.replaceStack(function(current) { + params.splice(1, 0, current); + return "blockHelperMissing.call(" + params.join(", ") + ")"; + }); + }, - // [ambiguousBlockValue] - // - // On stack, before: hash, inverse, program, value - // Compiler value, before: lastHelper=value of last found helper, if any - // On stack, after, if no lastHelper: same as [blockValue] - // On stack, after, if lastHelper: value - ambiguousBlockValue: function() { - this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing'; + // [ambiguousBlockValue] + // + // On stack, before: hash, inverse, program, value + // Compiler value, before: lastHelper=value of last found helper, if any + // On stack, after, if no lastHelper: same as [blockValue] + // On stack, after, if lastHelper: value + ambiguousBlockValue: function() { + this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing'; - var params = ["depth0"]; - this.setupParams(0, params); + var params = ["depth0"]; + this.setupParams(0, params); - var current = this.topStack(); - params.splice(1, 0, current); + var current = this.topStack(); + params.splice(1, 0, current); - // Use the options value generated from the invocation - params[params.length-1] = 'options'; + // Use the options value generated from the invocation + params[params.length-1] = 'options'; - this.source.push("if (!" + this.lastHelper + ") { " + current + " = blockHelperMissing.call(" + params.join(", ") + "); }"); - }, + this.source.push("if (!" + this.lastHelper + ") { " + current + " = blockHelperMissing.call(" + params.join(", ") + "); }"); + }, - // [appendContent] - // - // On stack, before: ... - // On stack, after: ... - // - // Appends the string value of `content` to the current buffer - appendContent: function(content) { - this.source.push(this.appendToBuffer(this.quotedString(content))); - }, + // [appendContent] + // + // On stack, before: ... + // On stack, after: ... + // + // Appends the string value of `content` to the current buffer + appendContent: function(content) { + this.source.push(this.appendToBuffer(this.quotedString(content))); + }, - // [append] - // - // On stack, before: value, ... - // On stack, after: ... - // - // Coerces `value` to a String and appends it to the current buffer. - // - // If `value` is truthy, or 0, it is coerced into a string and appended - // Otherwise, the empty string is appended - append: function() { - // Force anything that is inlined onto the stack so we don't have duplication - // when we examine local - this.flushInline(); - var local = this.popStack(); - this.source.push("if(" + local + " || " + local + " === 0) { " + this.appendToBuffer(local) + " }"); - if (this.environment.isSimple) { - this.source.push("else { " + this.appendToBuffer("''") + " }"); - } - }, + // [append] + // + // On stack, before: value, ... + // On stack, after: ... + // + // Coerces `value` to a String and appends it to the current buffer. + // + // If `value` is truthy, or 0, it is coerced into a string and appended + // Otherwise, the empty string is appended + append: function() { + // Force anything that is inlined onto the stack so we don't have duplication + // when we examine local + this.flushInline(); + var local = this.popStack(); + this.source.push("if(" + local + " || " + local + " === 0) { " + this.appendToBuffer(local) + " }"); + if (this.environment.isSimple) { + this.source.push("else { " + this.appendToBuffer("''") + " }"); + } + }, - // [appendEscaped] - // - // On stack, before: value, ... - // On stack, after: ... - // - // Escape `value` and append it to the buffer - appendEscaped: function() { - this.context.aliases.escapeExpression = 'this.escapeExpression'; + // [appendEscaped] + // + // On stack, before: value, ... + // On stack, after: ... + // + // Escape `value` and append it to the buffer + appendEscaped: function() { + this.context.aliases.escapeExpression = 'this.escapeExpression'; - this.source.push(this.appendToBuffer("escapeExpression(" + this.popStack() + ")")); - }, + this.source.push(this.appendToBuffer("escapeExpression(" + this.popStack() + ")")); + }, - // [getContext] - // - // On stack, before: ... - // On stack, after: ... - // Compiler value, after: lastContext=depth - // - // Set the value of the `lastContext` compiler value to the depth - getContext: function(depth) { - if(this.lastContext !== depth) { - this.lastContext = depth; - } - }, + // [getContext] + // + // On stack, before: ... + // On stack, after: ... + // Compiler value, after: lastContext=depth + // + // Set the value of the `lastContext` compiler value to the depth + getContext: function(depth) { + if(this.lastContext !== depth) { + this.lastContext = depth; + } + }, - // [lookupOnContext] - // - // On stack, before: ... - // On stack, after: currentContext[name], ... - // - // Looks up the value of `name` on the current context and pushes - // it onto the stack. - lookupOnContext: function(name) { - this.push(this.nameLookup('depth' + this.lastContext, name, 'context')); - }, + // [lookupOnContext] + // + // On stack, before: ... + // On stack, after: currentContext[name], ... + // + // Looks up the value of `name` on the current context and pushes + // it onto the stack. + lookupOnContext: function(name) { + this.push(this.nameLookup('depth' + this.lastContext, name, 'context')); + }, - // [pushContext] - // - // On stack, before: ... - // On stack, after: currentContext, ... - // - // Pushes the value of the current context onto the stack. - pushContext: function() { - this.pushStackLiteral('depth' + this.lastContext); - }, + // [pushContext] + // + // On stack, before: ... + // On stack, after: currentContext, ... + // + // Pushes the value of the current context onto the stack. + pushContext: function() { + this.pushStackLiteral('depth' + this.lastContext); + }, - // [resolvePossibleLambda] - // - // On stack, before: value, ... - // On stack, after: resolved value, ... - // - // If the `value` is a lambda, replace it on the stack by - // the return value of the lambda - resolvePossibleLambda: function() { - this.context.aliases.functionType = '"function"'; + // [resolvePossibleLambda] + // + // On stack, before: value, ... + // On stack, after: resolved value, ... + // + // If the `value` is a lambda, replace it on the stack by + // the return value of the lambda + resolvePossibleLambda: function() { + this.context.aliases.functionType = '"function"'; - this.replaceStack(function(current) { - return "typeof " + current + " === functionType ? " + current + ".apply(depth0) : " + current; - }); - }, + this.replaceStack(function(current) { + return "typeof " + current + " === functionType ? " + current + ".apply(depth0) : " + current; + }); + }, - // [lookup] - // - // On stack, before: value, ... - // On stack, after: value[name], ... - // - // Replace the value on the stack with the result of looking - // up `name` on `value` - lookup: function(name) { - this.replaceStack(function(current) { - return current + " == null || " + current + " === false ? " + current + " : " + this.nameLookup(current, name, 'context'); - }); - }, + // [lookup] + // + // On stack, before: value, ... + // On stack, after: value[name], ... + // + // Replace the value on the stack with the result of looking + // up `name` on `value` + lookup: function(name) { + this.replaceStack(function(current) { + return current + " == null || " + current + " === false ? " + current + " : " + this.nameLookup(current, name, 'context'); + }); + }, - // [lookupData] - // - // On stack, before: ... - // On stack, after: data[id], ... - // - // Push the result of looking up `id` on the current data - lookupData: function(id) { - this.push(this.nameLookup('data', id, 'data')); - }, + // [lookupData] + // + // On stack, before: ... + // On stack, after: data[id], ... + // + // Push the result of looking up `id` on the current data + lookupData: function(id) { + this.push(this.nameLookup('data', id, 'data')); + }, - // [pushStringParam] - // - // On stack, before: ... - // On stack, after: string, currentContext, ... - // - // This opcode is designed for use in string mode, which - // provides the string value of a parameter along with its - // depth rather than resolving it immediately. - pushStringParam: function(string, type) { - this.pushStackLiteral('depth' + this.lastContext); + // [pushStringParam] + // + // On stack, before: ... + // On stack, after: string, currentContext, ... + // + // This opcode is designed for use in string mode, which + // provides the string value of a parameter along with its + // depth rather than resolving it immediately. + pushStringParam: function(string, type) { + this.pushStackLiteral('depth' + this.lastContext); - this.pushString(type); + this.pushString(type); - if (typeof string === 'string') { - this.pushString(string); - } else { - this.pushStackLiteral(string); - } - }, + if (typeof string === 'string') { + this.pushString(string); + } else { + this.pushStackLiteral(string); + } + }, - emptyHash: function() { - this.pushStackLiteral('{}'); + emptyHash: function() { + this.pushStackLiteral('{}'); - if (this.options.stringParams) { - this.register('hashTypes', '{}'); - } - }, - pushHash: function() { - this.hash = {values: [], types: []}; - }, - popHash: function() { - var hash = this.hash; - this.hash = undefined; + if (this.options.stringParams) { + this.register('hashTypes', '{}'); + this.register('hashContexts', '{}'); + } + }, + pushHash: function() { + this.hash = {values: [], types: [], contexts: []}; + }, + popHash: function() { + var hash = this.hash; + this.hash = undefined; - if (this.options.stringParams) { - this.register('hashTypes', '{' + hash.types.join(',') + '}'); - } - this.push('{\n ' + hash.values.join(',\n ') + '\n }'); - }, + if (this.options.stringParams) { + this.register('hashContexts', '{' + hash.contexts.join(',') + '}'); + this.register('hashTypes', '{' + hash.types.join(',') + '}'); + } + this.push('{\n ' + hash.values.join(',\n ') + '\n }'); + }, - // [pushString] - // - // On stack, before: ... - // On stack, after: quotedString(string), ... - // - // Push a quoted version of `string` onto the stack - pushString: function(string) { - this.pushStackLiteral(this.quotedString(string)); - }, + // [pushString] + // + // On stack, before: ... + // On stack, after: quotedString(string), ... + // + // Push a quoted version of `string` onto the stack + pushString: function(string) { + this.pushStackLiteral(this.quotedString(string)); + }, - // [push] - // - // On stack, before: ... - // On stack, after: expr, ... - // - // Push an expression onto the stack - push: function(expr) { - this.inlineStack.push(expr); - return expr; - }, + // [push] + // + // On stack, before: ... + // On stack, after: expr, ... + // + // Push an expression onto the stack + push: function(expr) { + this.inlineStack.push(expr); + return expr; + }, - // [pushLiteral] - // - // On stack, before: ... - // On stack, after: value, ... - // - // Pushes a value onto the stack. This operation prevents - // the compiler from creating a temporary variable to hold - // it. - pushLiteral: function(value) { - this.pushStackLiteral(value); - }, + // [pushLiteral] + // + // On stack, before: ... + // On stack, after: value, ... + // + // Pushes a value onto the stack. This operation prevents + // the compiler from creating a temporary variable to hold + // it. + pushLiteral: function(value) { + this.pushStackLiteral(value); + }, - // [pushProgram] - // - // On stack, before: ... - // On stack, after: program(guid), ... - // - // Push a program expression onto the stack. This takes - // a compile-time guid and converts it into a runtime-accessible - // expression. - pushProgram: function(guid) { - if (guid != null) { - this.pushStackLiteral(this.programExpression(guid)); - } else { - this.pushStackLiteral(null); - } - }, + // [pushProgram] + // + // On stack, before: ... + // On stack, after: program(guid), ... + // + // Push a program expression onto the stack. This takes + // a compile-time guid and converts it into a runtime-accessible + // expression. + pushProgram: function(guid) { + if (guid != null) { + this.pushStackLiteral(this.programExpression(guid)); + } else { + this.pushStackLiteral(null); + } + }, - // [invokeHelper] - // - // On stack, before: hash, inverse, program, params..., ... - // On stack, after: result of helper invocation - // - // Pops off the helper's parameters, invokes the helper, - // and pushes the helper's return value onto the stack. - // - // If the helper is not found, `helperMissing` is called. - invokeHelper: function(paramSize, name) { - this.context.aliases.helperMissing = 'helpers.helperMissing'; + // [invokeHelper] + // + // On stack, before: hash, inverse, program, params..., ... + // On stack, after: result of helper invocation + // + // Pops off the helper's parameters, invokes the helper, + // and pushes the helper's return value onto the stack. + // + // If the helper is not found, `helperMissing` is called. + invokeHelper: function(paramSize, name) { + this.context.aliases.helperMissing = 'helpers.helperMissing'; - var helper = this.lastHelper = this.setupHelper(paramSize, name, true); + var helper = this.lastHelper = this.setupHelper(paramSize, name, true); - this.push(helper.name); - this.replaceStack(function(name) { - return name + ' ? ' + name + '.call(' + - helper.callParams + ") " + ": helperMissing.call(" + - helper.helperMissingParams + ")"; - }); - }, + this.push(helper.name); + this.replaceStack(function(name) { + return name + ' ? ' + name + '.call(' + + helper.callParams + ") " + ": helperMissing.call(" + + helper.helperMissingParams + ")"; + }); + }, - // [invokeKnownHelper] - // - // On stack, before: hash, inverse, program, params..., ... - // On stack, after: result of helper invocation - // - // This operation is used when the helper is known to exist, - // so a `helperMissing` fallback is not required. - invokeKnownHelper: function(paramSize, name) { - var helper = this.setupHelper(paramSize, name); - this.push(helper.name + ".call(" + helper.callParams + ")"); - }, + // [invokeKnownHelper] + // + // On stack, before: hash, inverse, program, params..., ... + // On stack, after: result of helper invocation + // + // This operation is used when the helper is known to exist, + // so a `helperMissing` fallback is not required. + invokeKnownHelper: function(paramSize, name) { + var helper = this.setupHelper(paramSize, name); + this.push(helper.name + ".call(" + helper.callParams + ")"); + }, - // [invokeAmbiguous] - // - // On stack, before: hash, inverse, program, params..., ... - // On stack, after: result of disambiguation - // - // This operation is used when an expression like `{{foo}}` - // is provided, but we don't know at compile-time whether it - // is a helper or a path. - // - // This operation emits more code than the other options, - // and can be avoided by passing the `knownHelpers` and - // `knownHelpersOnly` flags at compile-time. - invokeAmbiguous: function(name, helperCall) { - this.context.aliases.functionType = '"function"'; + // [invokeAmbiguous] + // + // On stack, before: hash, inverse, program, params..., ... + // On stack, after: result of disambiguation + // + // This operation is used when an expression like `{{foo}}` + // is provided, but we don't know at compile-time whether it + // is a helper or a path. + // + // This operation emits more code than the other options, + // and can be avoided by passing the `knownHelpers` and + // `knownHelpersOnly` flags at compile-time. + invokeAmbiguous: function(name, helperCall) { + this.context.aliases.functionType = '"function"'; - this.pushStackLiteral('{}'); // Hash value - var helper = this.setupHelper(0, name, helperCall); + this.pushStackLiteral('{}'); // Hash value + var helper = this.setupHelper(0, name, helperCall); - var helperName = this.lastHelper = this.nameLookup('helpers', name, 'helper'); + var helperName = this.lastHelper = this.nameLookup('helpers', name, 'helper'); - var nonHelper = this.nameLookup('depth' + this.lastContext, name, 'context'); - var nextStack = this.nextStack(); + var nonHelper = this.nameLookup('depth' + this.lastContext, name, 'context'); + var nextStack = this.nextStack(); - this.source.push('if (' + nextStack + ' = ' + helperName + ') { ' + nextStack + ' = ' + nextStack + '.call(' + helper.callParams + '); }'); - this.source.push('else { ' + nextStack + ' = ' + nonHelper + '; ' + nextStack + ' = typeof ' + nextStack + ' === functionType ? ' + nextStack + '.apply(depth0) : ' + nextStack + '; }'); - }, + this.source.push('if (' + nextStack + ' = ' + helperName + ') { ' + nextStack + ' = ' + nextStack + '.call(' + helper.callParams + '); }'); + this.source.push('else { ' + nextStack + ' = ' + nonHelper + '; ' + nextStack + ' = typeof ' + nextStack + ' === functionType ? ' + nextStack + '.apply(depth0) : ' + nextStack + '; }'); + }, - // [invokePartial] - // - // On stack, before: context, ... - // On stack after: result of partial invocation - // - // This operation pops off a context, invokes a partial with that context, - // and pushes the result of the invocation back. - invokePartial: function(name) { - var params = [this.nameLookup('partials', name, 'partial'), "'" + name + "'", this.popStack(), "helpers", "partials"]; + // [invokePartial] + // + // On stack, before: context, ... + // On stack after: result of partial invocation + // + // This operation pops off a context, invokes a partial with that context, + // and pushes the result of the invocation back. + invokePartial: function(name) { + var params = [this.nameLookup('partials', name, 'partial'), "'" + name + "'", this.popStack(), "helpers", "partials"]; - if (this.options.data) { - params.push("data"); - } + if (this.options.data) { + params.push("data"); + } - this.context.aliases.self = "this"; - this.push("self.invokePartial(" + params.join(", ") + ")"); - }, + this.context.aliases.self = "this"; + this.push("self.invokePartial(" + params.join(", ") + ")"); + }, - // [assignToHash] - // - // On stack, before: value, hash, ... - // On stack, after: hash, ... - // - // Pops a value and hash off the stack, assigns `hash[key] = value` - // and pushes the hash back onto the stack. - assignToHash: function(key) { - var value = this.popStack(), - type; + // [assignToHash] + // + // On stack, before: value, hash, ... + // On stack, after: hash, ... + // + // Pops a value and hash off the stack, assigns `hash[key] = value` + // and pushes the hash back onto the stack. + assignToHash: function(key) { + var value = this.popStack(), + context, + type; - if (this.options.stringParams) { - type = this.popStack(); - this.popStack(); - } + if (this.options.stringParams) { + type = this.popStack(); + context = this.popStack(); + } - var hash = this.hash; - if (type) { - hash.types.push("'" + key + "': " + type); - } - hash.values.push("'" + key + "': (" + value + ")"); - }, + var hash = this.hash; + if (context) { + hash.contexts.push("'" + key + "': " + context); + } + if (type) { + hash.types.push("'" + key + "': " + type); + } + hash.values.push("'" + key + "': (" + value + ")"); + }, - // HELPERS + // HELPERS - compiler: JavaScriptCompiler, + compiler: JavaScriptCompiler, - compileChildren: function(environment, options) { - var children = environment.children, child, compiler; + compileChildren: function(environment, options) { + var children = environment.children, child, compiler; - for(var i=0, l=children.length; i<l; i++) { - child = children[i]; - compiler = new this.compiler(); + for(var i=0, l=children.length; i<l; i++) { + child = children[i]; + compiler = new this.compiler(); - var index = this.matchExistingProgram(child); + var index = this.matchExistingProgram(child); - if (index == null) { - this.context.programs.push(''); // Placeholder to prevent name conflicts for nested children - index = this.context.programs.length; - child.index = index; - child.name = 'program' + index; - this.context.programs[index] = compiler.compile(child, options, this.context); - this.context.environments[index] = child; - } else { - child.index = index; - child.name = 'program' + index; - } + if (index == null) { + this.context.programs.push(''); // Placeholder to prevent name conflicts for nested children + index = this.context.programs.length; + child.index = index; + child.name = 'program' + index; + this.context.programs[index] = compiler.compile(child, options, this.context); + this.context.environments[index] = child; + } else { + child.index = index; + child.name = 'program' + index; } - }, - matchExistingProgram: function(child) { - for (var i = 0, len = this.context.environments.length; i < len; i++) { - var environment = this.context.environments[i]; - if (environment && environment.equals(child)) { - return i; - } + } + }, + matchExistingProgram: function(child) { + for (var i = 0, len = this.context.environments.length; i < len; i++) { + var environment = this.context.environments[i]; + if (environment && environment.equals(child)) { + return i; } - }, + } + }, - programExpression: function(guid) { - this.context.aliases.self = "this"; + programExpression: function(guid) { + this.context.aliases.self = "this"; - if(guid == null) { - return "self.noop"; - } + if(guid == null) { + return "self.noop"; + } - var child = this.environment.children[guid], - depths = child.depths.list, depth; + var child = this.environment.children[guid], + depths = child.depths.list, depth; - var programParams = [child.index, child.name, "data"]; + var programParams = [child.index, child.name, "data"]; - for(var i=0, l = depths.length; i<l; i++) { - depth = depths[i]; + for(var i=0, l = depths.length; i<l; i++) { + depth = depths[i]; - if(depth === 1) { programParams.push("depth0"); } - else { programParams.push("depth" + (depth - 1)); } - } + if(depth === 1) { programParams.push("depth0"); } + else { programParams.push("depth" + (depth - 1)); } + } - if(depths.length === 0) { - return "self.program(" + programParams.join(", ") + ")"; - } else { - programParams.shift(); - return "self.programWithDepth(" + programParams.join(", ") + ")"; - } - }, + return (depths.length === 0 ? "self.program(" : "self.programWithDepth(") + programParams.join(", ") + ")"; + }, - register: function(name, val) { - this.useRegister(name); - this.source.push(name + " = " + val + ";"); - }, + register: function(name, val) { + this.useRegister(name); + this.source.push(name + " = " + val + ";"); + }, - useRegister: function(name) { - if(!this.registers[name]) { - this.registers[name] = true; - this.registers.list.push(name); - } - }, + useRegister: function(name) { + if(!this.registers[name]) { + this.registers[name] = true; + this.registers.list.push(name); + } + }, - pushStackLiteral: function(item) { - return this.push(new Literal(item)); - }, + pushStackLiteral: function(item) { + return this.push(new Literal(item)); + }, - pushStack: function(item) { - this.flushInline(); + pushStack: function(item) { + this.flushInline(); - var stack = this.incrStack(); - if (item) { - this.source.push(stack + " = " + item + ";"); - } - this.compileStack.push(stack); - return stack; - }, + var stack = this.incrStack(); + if (item) { + this.source.push(stack + " = " + item + ";"); + } + this.compileStack.push(stack); + return stack; + }, - replaceStack: function(callback) { - var prefix = '', - inline = this.isInline(), - stack; + replaceStack: function(callback) { + var prefix = '', + inline = this.isInline(), + stack; - // If we are currently inline then we want to merge the inline statement into the - // replacement statement via ',' - if (inline) { - var top = this.popStack(true); + // If we are currently inline then we want to merge the inline statement into the + // replacement statement via ',' + if (inline) { + var top = this.popStack(true); - if (top instanceof Literal) { - // Literals do not need to be inlined - stack = top.value; - } else { - // Get or create the current stack name for use by the inline - var name = this.stackSlot ? this.topStackName() : this.incrStack(); - - prefix = '(' + this.push(name) + ' = ' + top + '),'; - stack = this.topStack(); - } + if (top instanceof Literal) { + // Literals do not need to be inlined + stack = top.value; } else { + // Get or create the current stack name for use by the inline + var name = this.stackSlot ? this.topStackName() : this.incrStack(); + + prefix = '(' + this.push(name) + ' = ' + top + '),'; stack = this.topStack(); } + } else { + stack = this.topStack(); + } - var item = callback.call(this, stack); + var item = callback.call(this, stack); - if (inline) { - if (this.inlineStack.length || this.compileStack.length) { - this.popStack(); - } - this.push('(' + prefix + item + ')'); - } else { - // Prevent modification of the context depth variable. Through replaceStack - if (!/^stack/.test(stack)) { - stack = this.nextStack(); - } - - this.source.push(stack + " = (" + prefix + item + ");"); + if (inline) { + if (this.inlineStack.length || this.compileStack.length) { + this.popStack(); } - return stack; - }, - - nextStack: function() { - return this.pushStack(); - }, - - incrStack: function() { - this.stackSlot++; - if(this.stackSlot > this.stackVars.length) { this.stackVars.push("stack" + this.stackSlot); } - return this.topStackName(); - }, - topStackName: function() { - return "stack" + this.stackSlot; - }, - flushInline: function() { - var inlineStack = this.inlineStack; - if (inlineStack.length) { - this.inlineStack = []; - for (var i = 0, len = inlineStack.length; i < len; i++) { - var entry = inlineStack[i]; - if (entry instanceof Literal) { - this.compileStack.push(entry); - } else { - this.pushStack(entry); - } - } + this.push('(' + prefix + item + ')'); + } else { + // Prevent modification of the context depth variable. Through replaceStack + if (!/^stack/.test(stack)) { + stack = this.nextStack(); } - }, - isInline: function() { - return this.inlineStack.length; - }, - popStack: function(wrapped) { - var inline = this.isInline(), - item = (inline ? this.inlineStack : this.compileStack).pop(); + this.source.push(stack + " = (" + prefix + item + ");"); + } + return stack; + }, - if (!wrapped && (item instanceof Literal)) { - return item.value; - } else { - if (!inline) { - this.stackSlot--; + nextStack: function() { + return this.pushStack(); + }, + + incrStack: function() { + this.stackSlot++; + if(this.stackSlot > this.stackVars.length) { this.stackVars.push("stack" + this.stackSlot); } + return this.topStackName(); + }, + topStackName: function() { + return "stack" + this.stackSlot; + }, + flushInline: function() { + var inlineStack = this.inlineStack; + if (inlineStack.length) { + this.inlineStack = []; + for (var i = 0, len = inlineStack.length; i < len; i++) { + var entry = inlineStack[i]; + if (entry instanceof Literal) { + this.compileStack.push(entry); + } else { + this.pushStack(entry); } - return item; } - }, + } + }, + isInline: function() { + return this.inlineStack.length; + }, - topStack: function(wrapped) { - var stack = (this.isInline() ? this.inlineStack : this.compileStack), - item = stack[stack.length - 1]; + popStack: function(wrapped) { + var inline = this.isInline(), + item = (inline ? this.inlineStack : this.compileStack).pop(); - if (!wrapped && (item instanceof Literal)) { - return item.value; - } else { - return item; + if (!wrapped && (item instanceof Literal)) { + return item.value; + } else { + if (!inline) { + this.stackSlot--; } - }, + return item; + } + }, - quotedString: function(str) { - return '"' + str - .replace(/\\/g, '\\\\') - .replace(/"/g, '\\"') - .replace(/\n/g, '\\n') - .replace(/\r/g, '\\r') + '"'; - }, + topStack: function(wrapped) { + var stack = (this.isInline() ? this.inlineStack : this.compileStack), + item = stack[stack.length - 1]; - setupHelper: function(paramSize, name, missingParams) { - var params = []; - this.setupParams(paramSize, params, missingParams); - var foundHelper = this.nameLookup('helpers', name, 'helper'); + if (!wrapped && (item instanceof Literal)) { + return item.value; + } else { + return item; + } + }, - return { - params: params, - name: foundHelper, - callParams: ["depth0"].concat(params).join(", "), - helperMissingParams: missingParams && ["depth0", this.quotedString(name)].concat(params).join(", ") - }; - }, + quotedString: function(str) { + return '"' + str + .replace(/\\/g, '\\\\') + .replace(/"/g, '\\"') + .replace(/\n/g, '\\n') + .replace(/\r/g, '\\r') + .replace(/\u2028/g, '\\u2028') // Per Ecma-262 7.3 + 7.8.4 + .replace(/\u2029/g, '\\u2029') + '"'; + }, - // the params and contexts arguments are passed in arrays - // to fill in - setupParams: function(paramSize, params, useRegister) { - var options = [], contexts = [], types = [], param, inverse, program; + setupHelper: function(paramSize, name, missingParams) { + var params = []; + this.setupParams(paramSize, params, missingParams); + var foundHelper = this.nameLookup('helpers', name, 'helper'); - options.push("hash:" + this.popStack()); + return { + params: params, + name: foundHelper, + callParams: ["depth0"].concat(params).join(", "), + helperMissingParams: missingParams && ["depth0", this.quotedString(name)].concat(params).join(", ") + }; + }, - inverse = this.popStack(); - program = this.popStack(); + // the params and contexts arguments are passed in arrays + // to fill in + setupParams: function(paramSize, params, useRegister) { + var options = [], contexts = [], types = [], param, inverse, program; - // Avoid setting fn and inverse if neither are set. This allows - // helpers to do a check for `if (options.fn)` - if (program || inverse) { - if (!program) { - this.context.aliases.self = "this"; - program = "self.noop"; - } + options.push("hash:" + this.popStack()); - if (!inverse) { - this.context.aliases.self = "this"; - inverse = "self.noop"; - } + inverse = this.popStack(); + program = this.popStack(); - options.push("inverse:" + inverse); - options.push("fn:" + program); + // Avoid setting fn and inverse if neither are set. This allows + // helpers to do a check for `if (options.fn)` + if (program || inverse) { + if (!program) { + this.context.aliases.self = "this"; + program = "self.noop"; } - for(var i=0; i<paramSize; i++) { - param = this.popStack(); - params.push(param); - - if(this.options.stringParams) { - types.push(this.popStack()); - contexts.push(this.popStack()); - } + if (!inverse) { + this.context.aliases.self = "this"; + inverse = "self.noop"; } - if (this.options.stringParams) { - options.push("contexts:[" + contexts.join(",") + "]"); - options.push("types:[" + types.join(",") + "]"); - options.push("hashTypes:hashTypes"); - } + options.push("inverse:" + inverse); + options.push("fn:" + program); + } - if(this.options.data) { - options.push("data:data"); - } + for(var i=0; i<paramSize; i++) { + param = this.popStack(); + params.push(param); - options = "{" + options.join(",") + "}"; - if (useRegister) { - this.register('options', options); - params.push('options'); - } else { - params.push(options); + if(this.options.stringParams) { + types.push(this.popStack()); + contexts.push(this.popStack()); } - return params.join(", "); } - }; - var reservedWords = ( - "break else new var" + - " case finally return void" + - " catch for switch while" + - " continue function this with" + - " default if throw" + - " delete in try" + - " do instanceof typeof" + - " abstract enum int short" + - " boolean export interface static" + - " byte extends long super" + - " char final native synchronized" + - " class float package throws" + - " const goto private transient" + - " debugger implements protected volatile" + - " double import public let yield" - ).split(" "); + if (this.options.stringParams) { + options.push("contexts:[" + contexts.join(",") + "]"); + options.push("types:[" + types.join(",") + "]"); + options.push("hashContexts:hashContexts"); + options.push("hashTypes:hashTypes"); + } - var compilerWords = JavaScriptCompiler.RESERVED_WORDS = {}; + if(this.options.data) { + options.push("data:data"); + } - for(var i=0, l=reservedWords.length; i<l; i++) { - compilerWords[reservedWords[i]] = true; + options = "{" + options.join(",") + "}"; + if (useRegister) { + this.register('options', options); + params.push('options'); + } else { + params.push(options); + } + return params.join(", "); } +}; - JavaScriptCompiler.isValidJavaScriptVariableName = function(name) { - if(!JavaScriptCompiler.RESERVED_WORDS[name] && /^[a-zA-Z_$][0-9a-zA-Z_$]+$/.test(name)) { - return true; - } - return false; - }; +var reservedWords = ( + "break else new var" + + " case finally return void" + + " catch for switch while" + + " continue function this with" + + " default if throw" + + " delete in try" + + " do instanceof typeof" + + " abstract enum int short" + + " boolean export interface static" + + " byte extends long super" + + " char final native synchronized" + + " class float package throws" + + " const goto private transient" + + " debugger implements protected volatile" + + " double import public let yield" +).split(" "); -})(Handlebars.Compiler, Handlebars.JavaScriptCompiler); +var compilerWords = JavaScriptCompiler.RESERVED_WORDS = {}; +for(var i=0, l=reservedWords.length; i<l; i++) { + compilerWords[reservedWords[i]] = true; +} + +JavaScriptCompiler.isValidJavaScriptVariableName = function(name) { + if(!JavaScriptCompiler.RESERVED_WORDS[name] && /^[a-zA-Z_$][0-9a-zA-Z_$]+$/.test(name)) { + return true; + } + return false; +}; + Handlebars.precompile = function(input, options) { - if (!input || (typeof input !== 'string' && input.constructor !== Handlebars.AST.ProgramNode)) { - throw new Handlebars.Exception("You must pass a string or Handlebars AST to Handlebars.compile. You passed " + input); + if (input == null || (typeof input !== 'string' && input.constructor !== Handlebars.AST.ProgramNode)) { + throw new Handlebars.Exception("You must pass a string or Handlebars AST to Handlebars.precompile. You passed " + input); } options = options || {}; if (!('data' in options)) { options.data = true; } var ast = Handlebars.parse(input); - var environment = new Handlebars.Compiler().compile(ast, options); - return new Handlebars.JavaScriptCompiler().compile(environment, options); + var environment = new Compiler().compile(ast, options); + return new JavaScriptCompiler().compile(environment, options); }; Handlebars.compile = function(input, options) { - if (!input || (typeof input !== 'string' && input.constructor !== Handlebars.AST.ProgramNode)) { + if (input == null || (typeof input !== 'string' && input.constructor !== Handlebars.AST.ProgramNode)) { throw new Handlebars.Exception("You must pass a string or Handlebars AST to Handlebars.compile. You passed " + input); } options = options || {}; if (!('data' in options)) { options.data = true; } var compiled; function compile() { var ast = Handlebars.parse(input); - var environment = new Handlebars.Compiler().compile(ast, options); - var templateSpec = new Handlebars.JavaScriptCompiler().compile(environment, options, undefined, true); + var environment = new Compiler().compile(ast, options); + var templateSpec = new JavaScriptCompiler().compile(environment, options, undefined, true); return Handlebars.template(templateSpec); } // Template is only compiled on first use and cached after that point. return function(context, options) { @@ -2112,29 +2141,29 @@ compiled = compile(); } return compiled.call(this, context, options); }; }; + ; // lib/handlebars/runtime.js + Handlebars.VM = { template: function(templateSpec) { // Just add water var container = { escapeExpression: Handlebars.Utils.escapeExpression, invokePartial: Handlebars.VM.invokePartial, programs: [], program: function(i, fn, data) { var programWrapper = this.programs[i]; if(data) { - return Handlebars.VM.program(fn, data); - } else if(programWrapper) { - return programWrapper; - } else { - programWrapper = this.programs[i] = Handlebars.VM.program(fn); - return programWrapper; + programWrapper = Handlebars.VM.program(i, fn, data); + } else if (!programWrapper) { + programWrapper = this.programs[i] = Handlebars.VM.program(i, fn); } + return programWrapper; }, programWithDepth: Handlebars.VM.programWithDepth, noop: Handlebars.VM.noop, compilerInfo: null }; @@ -2162,25 +2191,31 @@ return result; }; }, - programWithDepth: function(fn, data, $depth) { - var args = Array.prototype.slice.call(arguments, 2); + programWithDepth: function(i, fn, data /*, $depth */) { + var args = Array.prototype.slice.call(arguments, 3); - return function(context, options) { + var program = function(context, options) { options = options || {}; return fn.apply(this, [context, options.data || data].concat(args)); }; + program.program = i; + program.depth = args.length; + return program; }, - program: function(fn, data) { - return function(context, options) { + program: function(i, fn, data) { + var program = function(context, options) { options = options || {}; return fn(context, options.data || data); }; + program.program = i; + program.depth = 0; + return program; }, noop: function() { return ""; }, invokePartial: function(partial, name, context, helpers, partials, data) { var options = { helpers: helpers, partials: partials, data: data }; @@ -2196,6 +2231,9 @@ } } }; Handlebars.template = Handlebars.VM.template; +; +// lib/handlebars/browser-suffix.js +})(Handlebars); ;