(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define([], factory);
  } else if (typeof exports !== "undefined") {
    factory();
  } else {
    var mod = {
      exports: {}
    };
    factory();
    global.rhino3dm = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function () {
  "use strict";

  var rhino3dm = function () {
    var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;

    if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
    return function (rhino3dm) {
      rhino3dm = rhino3dm || {};
      var Module = typeof rhino3dm !== "undefined" ? rhino3dm : {};
      var readyPromiseResolve, readyPromiseReject;
      Module["ready"] = new Promise(function (resolve, reject) {
        readyPromiseResolve = resolve;
        readyPromiseReject = reject;
      });
      var moduleOverrides = {};
      var key;

      for (key in Module) {
        if (Module.hasOwnProperty(key)) {
          moduleOverrides[key] = Module[key];
        }
      }

      var arguments_ = [];
      var thisProgram = "./this.program";

      var quit_ = function quit_(status, toThrow) {
        throw toThrow;
      };

      var ENVIRONMENT_IS_WEB = false;
      var ENVIRONMENT_IS_WORKER = false;
      var ENVIRONMENT_IS_NODE = false;
      var ENVIRONMENT_IS_SHELL = false;
      ENVIRONMENT_IS_WEB = typeof window === "object";
      ENVIRONMENT_IS_WORKER = typeof importScripts === "function";
      ENVIRONMENT_IS_NODE = typeof process === "object" && typeof process.versions === "object" && typeof process.versions.node === "string";
      ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
      var scriptDirectory = "";

      function locateFile(path) {
        if (Module["locateFile"]) {
          return Module["locateFile"](path, scriptDirectory);
        }

        return scriptDirectory + path;
      }

      var read_, readAsync, readBinary, setWindowTitle;
      var nodeFS;
      var nodePath;

      if (ENVIRONMENT_IS_NODE) {
        if (ENVIRONMENT_IS_WORKER) {
          scriptDirectory = require("path").dirname(scriptDirectory) + "/";
        } else {
          scriptDirectory = __dirname + "/";
        }

        read_ = function shell_read(filename, binary) {
          if (!nodeFS) nodeFS = require("fs");
          if (!nodePath) nodePath = require("path");
          filename = nodePath["normalize"](filename);
          return nodeFS["readFileSync"](filename, binary ? null : "utf8");
        };

        readBinary = function readBinary(filename) {
          var ret = read_(filename, true);

          if (!ret.buffer) {
            ret = new Uint8Array(ret);
          }

          assert(ret.buffer);
          return ret;
        };

        if (process["argv"].length > 1) {
          thisProgram = process["argv"][1].replace(/\\/g, "/");
        }

        arguments_ = process["argv"].slice(2);
        process["on"]("uncaughtException", function (ex) {
          if (!(ex instanceof ExitStatus)) {
            throw ex;
          }
        });
        process["on"]("unhandledRejection", abort);

        quit_ = function quit_(status) {
          process["exit"](status);
        };

        Module["inspect"] = function () {
          return "[Emscripten Module object]";
        };
      } else if (ENVIRONMENT_IS_SHELL) {
        if (typeof read != "undefined") {
          read_ = function shell_read(f) {
            return read(f);
          };
        }

        readBinary = function readBinary(f) {
          var data;

          if (typeof readbuffer === "function") {
            return new Uint8Array(readbuffer(f));
          }

          data = read(f, "binary");
          assert(typeof data === "object");
          return data;
        };

        if (typeof scriptArgs != "undefined") {
          arguments_ = scriptArgs;
        } else if (typeof arguments != "undefined") {
          arguments_ = arguments;
        }

        if (typeof quit === "function") {
          quit_ = function quit_(status) {
            quit(status);
          };
        }

        if (typeof print !== "undefined") {
          if (typeof console === "undefined") console = {};
          console.log = print;
          console.warn = console.error = typeof printErr !== "undefined" ? printErr : print;
        }
      } else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
        if (ENVIRONMENT_IS_WORKER) {
          scriptDirectory = self.location.href;
        } else if (typeof document !== "undefined" && document.currentScript) {
          scriptDirectory = document.currentScript.src;
        }

        if (_scriptDir) {
          scriptDirectory = _scriptDir;
        }

        if (scriptDirectory.indexOf("blob:") !== 0) {
          scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf("/") + 1);
        } else {
          scriptDirectory = "";
        }

        {
          read_ = function shell_read(url) {
            var xhr = new XMLHttpRequest();
            xhr.open("GET", url, false);
            xhr.send(null);
            return xhr.responseText;
          };

          if (ENVIRONMENT_IS_WORKER) {
            readBinary = function readBinary(url) {
              var xhr = new XMLHttpRequest();
              xhr.open("GET", url, false);
              xhr.responseType = "arraybuffer";
              xhr.send(null);
              return new Uint8Array(xhr.response);
            };
          }

          readAsync = function readAsync(url, onload, onerror) {
            var xhr = new XMLHttpRequest();
            xhr.open("GET", url, true);
            xhr.responseType = "arraybuffer";

            xhr.onload = function xhr_onload() {
              if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
                onload(xhr.response);
                return;
              }

              onerror();
            };

            xhr.onerror = onerror;
            xhr.send(null);
          };
        }

        setWindowTitle = function setWindowTitle(title) {
          document.title = title;
        };
      } else {}

      var out = Module["print"] || console.log.bind(console);
      var err = Module["printErr"] || console.warn.bind(console);

      for (key in moduleOverrides) {
        if (moduleOverrides.hasOwnProperty(key)) {
          Module[key] = moduleOverrides[key];
        }
      }

      moduleOverrides = null;
      if (Module["arguments"]) arguments_ = Module["arguments"];
      if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
      if (Module["quit"]) quit_ = Module["quit"];
      var STACK_ALIGN = 16;

      function alignMemory(size, factor) {
        if (!factor) factor = STACK_ALIGN;
        return Math.ceil(size / factor) * factor;
      }

      function warnOnce(text) {
        if (!warnOnce.shown) warnOnce.shown = {};

        if (!warnOnce.shown[text]) {
          warnOnce.shown[text] = 1;
          err(text);
        }
      }

      function convertJsFunctionToWasm(func, sig) {
        if (typeof WebAssembly.Function === "function") {
          var typeNames = {
            "i": "i32",
            "j": "i64",
            "f": "f32",
            "d": "f64"
          };
          var type = {
            parameters: [],
            results: sig[0] == "v" ? [] : [typeNames[sig[0]]]
          };

          for (var i = 1; i < sig.length; ++i) {
            type.parameters.push(typeNames[sig[i]]);
          }

          return new WebAssembly.Function(type, func);
        }

        var typeSection = [1, 0, 1, 96];
        var sigRet = sig.slice(0, 1);
        var sigParam = sig.slice(1);
        var typeCodes = {
          "i": 127,
          "j": 126,
          "f": 125,
          "d": 124
        };
        typeSection.push(sigParam.length);

        for (var i = 0; i < sigParam.length; ++i) {
          typeSection.push(typeCodes[sigParam[i]]);
        }

        if (sigRet == "v") {
          typeSection.push(0);
        } else {
          typeSection = typeSection.concat([1, typeCodes[sigRet]]);
        }

        typeSection[1] = typeSection.length - 2;
        var bytes = new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0].concat(typeSection, [2, 7, 1, 1, 101, 1, 102, 0, 0, 7, 5, 1, 1, 102, 0, 0]));
        var module = new WebAssembly.Module(bytes);
        var instance = new WebAssembly.Instance(module, {
          "e": {
            "f": func
          }
        });
        var wrappedFunc = instance.exports["f"];
        return wrappedFunc;
      }

      var freeTableIndexes = [];
      var functionsInTableMap;

      function getEmptyTableSlot() {
        if (freeTableIndexes.length) {
          return freeTableIndexes.pop();
        }

        try {
          wasmTable.grow(1);
        } catch (err) {
          if (!(err instanceof RangeError)) {
            throw err;
          }

          throw "Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.";
        }

        return wasmTable.length - 1;
      }

      function addFunctionWasm(func, sig) {
        if (!functionsInTableMap) {
          functionsInTableMap = new WeakMap();

          for (var i = 0; i < wasmTable.length; i++) {
            var item = wasmTable.get(i);

            if (item) {
              functionsInTableMap.set(item, i);
            }
          }
        }

        if (functionsInTableMap.has(func)) {
          return functionsInTableMap.get(func);
        }

        var ret = getEmptyTableSlot();

        try {
          wasmTable.set(ret, func);
        } catch (err) {
          if (!(err instanceof TypeError)) {
            throw err;
          }

          var wrapped = convertJsFunctionToWasm(func, sig);
          wasmTable.set(ret, wrapped);
        }

        functionsInTableMap.set(func, ret);
        return ret;
      }

      var tempRet0 = 0;

      var setTempRet0 = function setTempRet0(value) {
        tempRet0 = value;
      };

      var wasmBinary;
      if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
      var noExitRuntime;
      if (Module["noExitRuntime"]) noExitRuntime = Module["noExitRuntime"];

      if (typeof WebAssembly !== "object") {
        abort("no native wasm support detected");
      }

      var wasmMemory;
      var ABORT = false;
      var EXITSTATUS;

      function assert(condition, text) {
        if (!condition) {
          abort("Assertion failed: " + text);
        }
      }

      function getCFunc(ident) {
        var func = Module["_" + ident];
        assert(func, "Cannot call unknown function " + ident + ", make sure it is exported");
        return func;
      }

      function ccall(ident, returnType, argTypes, args, opts) {
        var toC = {
          "string": function string(str) {
            var ret = 0;

            if (str !== null && str !== undefined && str !== 0) {
              var len = (str.length << 2) + 1;
              ret = stackAlloc(len);
              stringToUTF8(str, ret, len);
            }

            return ret;
          },
          "array": function array(arr) {
            var ret = stackAlloc(arr.length);
            writeArrayToMemory(arr, ret);
            return ret;
          }
        };

        function convertReturnValue(ret) {
          if (returnType === "string") return UTF8ToString(ret);
          if (returnType === "boolean") return Boolean(ret);
          return ret;
        }

        var func = getCFunc(ident);
        var cArgs = [];
        var stack = 0;

        if (args) {
          for (var i = 0; i < args.length; i++) {
            var converter = toC[argTypes[i]];

            if (converter) {
              if (stack === 0) stack = stackSave();
              cArgs[i] = converter(args[i]);
            } else {
              cArgs[i] = args[i];
            }
          }
        }

        var ret = func.apply(null, cArgs);
        ret = convertReturnValue(ret);
        if (stack !== 0) stackRestore(stack);
        return ret;
      }

      var ALLOC_STACK = 1;
      var UTF8Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf8") : undefined;

      function UTF8ArrayToString(heap, idx, maxBytesToRead) {
        var endIdx = idx + maxBytesToRead;
        var endPtr = idx;

        while (heap[endPtr] && !(endPtr >= endIdx)) {
          ++endPtr;
        }

        if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) {
          return UTF8Decoder.decode(heap.subarray(idx, endPtr));
        } else {
          var str = "";

          while (idx < endPtr) {
            var u0 = heap[idx++];

            if (!(u0 & 128)) {
              str += String.fromCharCode(u0);
              continue;
            }

            var u1 = heap[idx++] & 63;

            if ((u0 & 224) == 192) {
              str += String.fromCharCode((u0 & 31) << 6 | u1);
              continue;
            }

            var u2 = heap[idx++] & 63;

            if ((u0 & 240) == 224) {
              u0 = (u0 & 15) << 12 | u1 << 6 | u2;
            } else {
              u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heap[idx++] & 63;
            }

            if (u0 < 65536) {
              str += String.fromCharCode(u0);
            } else {
              var ch = u0 - 65536;
              str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
            }
          }
        }

        return str;
      }

      function UTF8ToString(ptr, maxBytesToRead) {
        return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
      }

      function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
        if (!(maxBytesToWrite > 0)) return 0;
        var startIdx = outIdx;
        var endIdx = outIdx + maxBytesToWrite - 1;

        for (var i = 0; i < str.length; ++i) {
          var u = str.charCodeAt(i);

          if (u >= 55296 && u <= 57343) {
            var u1 = str.charCodeAt(++i);
            u = 65536 + ((u & 1023) << 10) | u1 & 1023;
          }

          if (u <= 127) {
            if (outIdx >= endIdx) break;
            heap[outIdx++] = u;
          } else if (u <= 2047) {
            if (outIdx + 1 >= endIdx) break;
            heap[outIdx++] = 192 | u >> 6;
            heap[outIdx++] = 128 | u & 63;
          } else if (u <= 65535) {
            if (outIdx + 2 >= endIdx) break;
            heap[outIdx++] = 224 | u >> 12;
            heap[outIdx++] = 128 | u >> 6 & 63;
            heap[outIdx++] = 128 | u & 63;
          } else {
            if (outIdx + 3 >= endIdx) break;
            heap[outIdx++] = 240 | u >> 18;
            heap[outIdx++] = 128 | u >> 12 & 63;
            heap[outIdx++] = 128 | u >> 6 & 63;
            heap[outIdx++] = 128 | u & 63;
          }
        }

        heap[outIdx] = 0;
        return outIdx - startIdx;
      }

      function stringToUTF8(str, outPtr, maxBytesToWrite) {
        return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
      }

      function lengthBytesUTF8(str) {
        var len = 0;

        for (var i = 0; i < str.length; ++i) {
          var u = str.charCodeAt(i);
          if (u >= 55296 && u <= 57343) u = 65536 + ((u & 1023) << 10) | str.charCodeAt(++i) & 1023;
          if (u <= 127) ++len;else if (u <= 2047) len += 2;else if (u <= 65535) len += 3;else len += 4;
        }

        return len;
      }

      var UTF16Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf-16le") : undefined;

      function UTF16ToString(ptr, maxBytesToRead) {
        var endPtr = ptr;
        var idx = endPtr >> 1;
        var maxIdx = idx + maxBytesToRead / 2;

        while (!(idx >= maxIdx) && HEAPU16[idx]) {
          ++idx;
        }

        endPtr = idx << 1;

        if (endPtr - ptr > 32 && UTF16Decoder) {
          return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
        } else {
          var str = "";

          for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
            var codeUnit = HEAP16[ptr + i * 2 >> 1];
            if (codeUnit == 0) break;
            str += String.fromCharCode(codeUnit);
          }

          return str;
        }
      }

      function stringToUTF16(str, outPtr, maxBytesToWrite) {
        if (maxBytesToWrite === undefined) {
          maxBytesToWrite = 2147483647;
        }

        if (maxBytesToWrite < 2) return 0;
        maxBytesToWrite -= 2;
        var startPtr = outPtr;
        var numCharsToWrite = maxBytesToWrite < str.length * 2 ? maxBytesToWrite / 2 : str.length;

        for (var i = 0; i < numCharsToWrite; ++i) {
          var codeUnit = str.charCodeAt(i);
          HEAP16[outPtr >> 1] = codeUnit;
          outPtr += 2;
        }

        HEAP16[outPtr >> 1] = 0;
        return outPtr - startPtr;
      }

      function lengthBytesUTF16(str) {
        return str.length * 2;
      }

      function UTF32ToString(ptr, maxBytesToRead) {
        var i = 0;
        var str = "";

        while (!(i >= maxBytesToRead / 4)) {
          var utf32 = HEAP32[ptr + i * 4 >> 2];
          if (utf32 == 0) break;
          ++i;

          if (utf32 >= 65536) {
            var ch = utf32 - 65536;
            str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
          } else {
            str += String.fromCharCode(utf32);
          }
        }

        return str;
      }

      function stringToUTF32(str, outPtr, maxBytesToWrite) {
        if (maxBytesToWrite === undefined) {
          maxBytesToWrite = 2147483647;
        }

        if (maxBytesToWrite < 4) return 0;
        var startPtr = outPtr;
        var endPtr = startPtr + maxBytesToWrite - 4;

        for (var i = 0; i < str.length; ++i) {
          var codeUnit = str.charCodeAt(i);

          if (codeUnit >= 55296 && codeUnit <= 57343) {
            var trailSurrogate = str.charCodeAt(++i);
            codeUnit = 65536 + ((codeUnit & 1023) << 10) | trailSurrogate & 1023;
          }

          HEAP32[outPtr >> 2] = codeUnit;
          outPtr += 4;
          if (outPtr + 4 > endPtr) break;
        }

        HEAP32[outPtr >> 2] = 0;
        return outPtr - startPtr;
      }

      function lengthBytesUTF32(str) {
        var len = 0;

        for (var i = 0; i < str.length; ++i) {
          var codeUnit = str.charCodeAt(i);
          if (codeUnit >= 55296 && codeUnit <= 57343) ++i;
          len += 4;
        }

        return len;
      }

      function allocateUTF8(str) {
        var size = lengthBytesUTF8(str) + 1;

        var ret = _malloc(size);

        if (ret) stringToUTF8Array(str, HEAP8, ret, size);
        return ret;
      }

      function writeArrayToMemory(array, buffer) {
        HEAP8.set(array, buffer);
      }

      function writeAsciiToMemory(str, buffer, dontAddNull) {
        for (var i = 0; i < str.length; ++i) {
          HEAP8[buffer++ >> 0] = str.charCodeAt(i);
        }

        if (!dontAddNull) HEAP8[buffer >> 0] = 0;
      }

      function alignUp(x, multiple) {
        if (x % multiple > 0) {
          x += multiple - x % multiple;
        }

        return x;
      }

      var buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;

      function updateGlobalBufferAndViews(buf) {
        buffer = buf;
        Module["HEAP8"] = HEAP8 = new Int8Array(buf);
        Module["HEAP16"] = HEAP16 = new Int16Array(buf);
        Module["HEAP32"] = HEAP32 = new Int32Array(buf);
        Module["HEAPU8"] = HEAPU8 = new Uint8Array(buf);
        Module["HEAPU16"] = HEAPU16 = new Uint16Array(buf);
        Module["HEAPU32"] = HEAPU32 = new Uint32Array(buf);
        Module["HEAPF32"] = HEAPF32 = new Float32Array(buf);
        Module["HEAPF64"] = HEAPF64 = new Float64Array(buf);
      }

      var INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 16777216;
      var wasmTable;
      var __ATPRERUN__ = [];
      var __ATINIT__ = [];
      var __ATMAIN__ = [];
      var __ATPOSTRUN__ = [];
      var runtimeInitialized = false;
      var runtimeExited = false;

      function preRun() {
        if (Module["preRun"]) {
          if (typeof Module["preRun"] == "function") Module["preRun"] = [Module["preRun"]];

          while (Module["preRun"].length) {
            addOnPreRun(Module["preRun"].shift());
          }
        }

        callRuntimeCallbacks(__ATPRERUN__);
      }

      function initRuntime() {
        runtimeInitialized = true;
        if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
        TTY.init();
        callRuntimeCallbacks(__ATINIT__);
      }

      function preMain() {
        FS.ignorePermissions = false;
        callRuntimeCallbacks(__ATMAIN__);
      }

      function exitRuntime() {
        runtimeExited = true;
      }

      function postRun() {
        if (Module["postRun"]) {
          if (typeof Module["postRun"] == "function") Module["postRun"] = [Module["postRun"]];

          while (Module["postRun"].length) {
            addOnPostRun(Module["postRun"].shift());
          }
        }

        callRuntimeCallbacks(__ATPOSTRUN__);
      }

      function addOnPreRun(cb) {
        __ATPRERUN__.unshift(cb);
      }

      function addOnPostRun(cb) {
        __ATPOSTRUN__.unshift(cb);
      }

      var runDependencies = 0;
      var runDependencyWatcher = null;
      var dependenciesFulfilled = null;

      function getUniqueRunDependency(id) {
        return id;
      }

      function addRunDependency(id) {
        runDependencies++;

        if (Module["monitorRunDependencies"]) {
          Module["monitorRunDependencies"](runDependencies);
        }
      }

      function removeRunDependency(id) {
        runDependencies--;

        if (Module["monitorRunDependencies"]) {
          Module["monitorRunDependencies"](runDependencies);
        }

        if (runDependencies == 0) {
          if (runDependencyWatcher !== null) {
            clearInterval(runDependencyWatcher);
            runDependencyWatcher = null;
          }

          if (dependenciesFulfilled) {
            var callback = dependenciesFulfilled;
            dependenciesFulfilled = null;
            callback();
          }
        }
      }

      Module["preloadedImages"] = {};
      Module["preloadedAudios"] = {};

      function abort(what) {
        if (Module["onAbort"]) {
          Module["onAbort"](what);
        }

        what += "";
        err(what);
        ABORT = true;
        EXITSTATUS = 1;
        what = "abort(" + what + "). Build with -s ASSERTIONS=1 for more info.";
        var e = new WebAssembly.RuntimeError(what);
        readyPromiseReject(e);
        throw e;
      }

      function hasPrefix(str, prefix) {
        return String.prototype.startsWith ? str.startsWith(prefix) : str.indexOf(prefix) === 0;
      }

      var dataURIPrefix = "data:application/octet-stream;base64,";

      function isDataURI(filename) {
        return hasPrefix(filename, dataURIPrefix);
      }

      var fileURIPrefix = "file://";

      function isFileURI(filename) {
        return hasPrefix(filename, fileURIPrefix);
      }

      var wasmBinaryFile = "rhino3dm.wasm";

      if (!isDataURI(wasmBinaryFile)) {
        wasmBinaryFile = locateFile(wasmBinaryFile);
      }

      function getBinary() {
        try {
          if (wasmBinary) {
            return new Uint8Array(wasmBinary);
          }

          if (readBinary) {
            return readBinary(wasmBinaryFile);
          } else {
            throw "both async and sync fetching of the wasm failed";
          }
        } catch (err) {
          abort(err);
        }
      }

      function getBinaryPromise() {
        if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && typeof fetch === "function" && !isFileURI(wasmBinaryFile)) {
          return fetch(wasmBinaryFile, {
            credentials: "same-origin"
          }).then(function (response) {
            if (!response["ok"]) {
              throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
            }

            return response["arrayBuffer"]();
          }).catch(function () {
            return getBinary();
          });
        }

        return Promise.resolve().then(getBinary);
      }

      function createWasm() {
        var info = {
          "env": asmLibraryArg,
          "wasi_snapshot_preview1": asmLibraryArg
        };

        function receiveInstance(instance, module) {
          var exports = instance.exports;
          Module["asm"] = exports;
          wasmMemory = Module["asm"]["memory"];
          updateGlobalBufferAndViews(wasmMemory.buffer);
          wasmTable = Module["asm"]["__indirect_function_table"];
          removeRunDependency("wasm-instantiate");
        }

        addRunDependency("wasm-instantiate");

        function receiveInstantiatedSource(output) {
          receiveInstance(output["instance"]);
        }

        function instantiateArrayBuffer(receiver) {
          return getBinaryPromise().then(function (binary) {
            return WebAssembly.instantiate(binary, info);
          }).then(receiver, function (reason) {
            err("failed to asynchronously prepare wasm: " + reason);
            abort(reason);
          });
        }

        function instantiateAsync() {
          if (!wasmBinary && typeof WebAssembly.instantiateStreaming === "function" && !isDataURI(wasmBinaryFile) && !isFileURI(wasmBinaryFile) && typeof fetch === "function") {
            return fetch(wasmBinaryFile, {
              credentials: "same-origin"
            }).then(function (response) {
              var result = WebAssembly.instantiateStreaming(response, info);
              return result.then(receiveInstantiatedSource, function (reason) {
                err("wasm streaming compile failed: " + reason);
                err("falling back to ArrayBuffer instantiation");
                return instantiateArrayBuffer(receiveInstantiatedSource);
              });
            });
          } else {
            return instantiateArrayBuffer(receiveInstantiatedSource);
          }
        }

        if (Module["instantiateWasm"]) {
          try {
            var exports = Module["instantiateWasm"](info, receiveInstance);
            return exports;
          } catch (e) {
            err("Module.instantiateWasm callback failed with error: " + e);
            return false;
          }
        }

        instantiateAsync().catch(readyPromiseReject);
        return {};
      }

      var tempDouble;
      var tempI64;

      function callRuntimeCallbacks(callbacks) {
        while (callbacks.length > 0) {
          var callback = callbacks.shift();

          if (typeof callback == "function") {
            callback(Module);
            continue;
          }

          var func = callback.func;

          if (typeof func === "number") {
            if (callback.arg === undefined) {
              wasmTable.get(func)();
            } else {
              wasmTable.get(func)(callback.arg);
            }
          } else {
            func(callback.arg === undefined ? null : callback.arg);
          }
        }
      }

      function demangle(func) {
        return func;
      }

      function demangleAll(text) {
        var regex = /\b_Z[\w\d_]+/g;
        return text.replace(regex, function (x) {
          var y = demangle(x);
          return x === y ? x : y + " [" + x + "]";
        });
      }

      function jsStackTrace() {
        var error = new Error();

        if (!error.stack) {
          try {
            throw new Error();
          } catch (e) {
            error = e;
          }

          if (!error.stack) {
            return "(no stack trace available)";
          }
        }

        return error.stack.toString();
      }

      var ExceptionInfoAttrs = {
        DESTRUCTOR_OFFSET: 0,
        REFCOUNT_OFFSET: 4,
        TYPE_OFFSET: 8,
        CAUGHT_OFFSET: 12,
        RETHROWN_OFFSET: 13,
        SIZE: 16
      };

      function ___cxa_allocate_exception(size) {
        return _malloc(size + ExceptionInfoAttrs.SIZE) + ExceptionInfoAttrs.SIZE;
      }

      function _atexit(func, arg) {}

      function ___cxa_atexit(a0, a1) {
        return _atexit(a0, a1);
      }

      function ExceptionInfo(excPtr) {
        this.excPtr = excPtr;
        this.ptr = excPtr - ExceptionInfoAttrs.SIZE;

        this.set_type = function (type) {
          HEAP32[this.ptr + ExceptionInfoAttrs.TYPE_OFFSET >> 2] = type;
        };

        this.get_type = function () {
          return HEAP32[this.ptr + ExceptionInfoAttrs.TYPE_OFFSET >> 2];
        };

        this.set_destructor = function (destructor) {
          HEAP32[this.ptr + ExceptionInfoAttrs.DESTRUCTOR_OFFSET >> 2] = destructor;
        };

        this.get_destructor = function () {
          return HEAP32[this.ptr + ExceptionInfoAttrs.DESTRUCTOR_OFFSET >> 2];
        };

        this.set_refcount = function (refcount) {
          HEAP32[this.ptr + ExceptionInfoAttrs.REFCOUNT_OFFSET >> 2] = refcount;
        };

        this.set_caught = function (caught) {
          caught = caught ? 1 : 0;
          HEAP8[this.ptr + ExceptionInfoAttrs.CAUGHT_OFFSET >> 0] = caught;
        };

        this.get_caught = function () {
          return HEAP8[this.ptr + ExceptionInfoAttrs.CAUGHT_OFFSET >> 0] != 0;
        };

        this.set_rethrown = function (rethrown) {
          rethrown = rethrown ? 1 : 0;
          HEAP8[this.ptr + ExceptionInfoAttrs.RETHROWN_OFFSET >> 0] = rethrown;
        };

        this.get_rethrown = function () {
          return HEAP8[this.ptr + ExceptionInfoAttrs.RETHROWN_OFFSET >> 0] != 0;
        };

        this.init = function (type, destructor) {
          this.set_type(type);
          this.set_destructor(destructor);
          this.set_refcount(0);
          this.set_caught(false);
          this.set_rethrown(false);
        };

        this.add_ref = function () {
          var value = HEAP32[this.ptr + ExceptionInfoAttrs.REFCOUNT_OFFSET >> 2];
          HEAP32[this.ptr + ExceptionInfoAttrs.REFCOUNT_OFFSET >> 2] = value + 1;
        };

        this.release_ref = function () {
          var prev = HEAP32[this.ptr + ExceptionInfoAttrs.REFCOUNT_OFFSET >> 2];
          HEAP32[this.ptr + ExceptionInfoAttrs.REFCOUNT_OFFSET >> 2] = prev - 1;
          return prev === 1;
        };
      }

      var exceptionLast = 0;
      var uncaughtExceptionCount = 0;

      function ___cxa_throw(ptr, type, destructor) {
        var info = new ExceptionInfo(ptr);
        info.init(type, destructor);
        exceptionLast = ptr;
        uncaughtExceptionCount++;
        throw ptr;
      }

      function _gmtime_r(time, tmPtr) {
        var date = new Date(HEAP32[time >> 2] * 1e3);
        HEAP32[tmPtr >> 2] = date.getUTCSeconds();
        HEAP32[tmPtr + 4 >> 2] = date.getUTCMinutes();
        HEAP32[tmPtr + 8 >> 2] = date.getUTCHours();
        HEAP32[tmPtr + 12 >> 2] = date.getUTCDate();
        HEAP32[tmPtr + 16 >> 2] = date.getUTCMonth();
        HEAP32[tmPtr + 20 >> 2] = date.getUTCFullYear() - 1900;
        HEAP32[tmPtr + 24 >> 2] = date.getUTCDay();
        HEAP32[tmPtr + 36 >> 2] = 0;
        HEAP32[tmPtr + 32 >> 2] = 0;
        var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
        var yday = (date.getTime() - start) / (1e3 * 60 * 60 * 24) | 0;
        HEAP32[tmPtr + 28 >> 2] = yday;
        if (!_gmtime_r.GMTString) _gmtime_r.GMTString = allocateUTF8("GMT");
        HEAP32[tmPtr + 40 >> 2] = _gmtime_r.GMTString;
        return tmPtr;
      }

      function ___gmtime_r(a0, a1) {
        return _gmtime_r(a0, a1);
      }

      function setErrNo(value) {
        HEAP32[___errno_location() >> 2] = value;
        return value;
      }

      var PATH = {
        splitPath: function splitPath(filename) {
          var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
          return splitPathRe.exec(filename).slice(1);
        },
        normalizeArray: function normalizeArray(parts, allowAboveRoot) {
          var up = 0;

          for (var i = parts.length - 1; i >= 0; i--) {
            var last = parts[i];

            if (last === ".") {
              parts.splice(i, 1);
            } else if (last === "..") {
              parts.splice(i, 1);
              up++;
            } else if (up) {
              parts.splice(i, 1);
              up--;
            }
          }

          if (allowAboveRoot) {
            for (; up; up--) {
              parts.unshift("..");
            }
          }

          return parts;
        },
        normalize: function normalize(path) {
          var isAbsolute = path.charAt(0) === "/",
              trailingSlash = path.substr(-1) === "/";
          path = PATH.normalizeArray(path.split("/").filter(function (p) {
            return !!p;
          }), !isAbsolute).join("/");

          if (!path && !isAbsolute) {
            path = ".";
          }

          if (path && trailingSlash) {
            path += "/";
          }

          return (isAbsolute ? "/" : "") + path;
        },
        dirname: function dirname(path) {
          var result = PATH.splitPath(path),
              root = result[0],
              dir = result[1];

          if (!root && !dir) {
            return ".";
          }

          if (dir) {
            dir = dir.substr(0, dir.length - 1);
          }

          return root + dir;
        },
        basename: function basename(path) {
          if (path === "/") return "/";
          path = PATH.normalize(path);
          path = path.replace(/\/$/, "");
          var lastSlash = path.lastIndexOf("/");
          if (lastSlash === -1) return path;
          return path.substr(lastSlash + 1);
        },
        extname: function extname(path) {
          return PATH.splitPath(path)[3];
        },
        join: function join() {
          var paths = Array.prototype.slice.call(arguments, 0);
          return PATH.normalize(paths.join("/"));
        },
        join2: function join2(l, r) {
          return PATH.normalize(l + "/" + r);
        }
      };

      function getRandomDevice() {
        if (typeof crypto === "object" && typeof crypto["getRandomValues"] === "function") {
          var randomBuffer = new Uint8Array(1);
          return function () {
            crypto.getRandomValues(randomBuffer);
            return randomBuffer[0];
          };
        } else if (ENVIRONMENT_IS_NODE) {
          try {
            var crypto_module = require("crypto");

            return function () {
              return crypto_module["randomBytes"](1)[0];
            };
          } catch (e) {}
        }

        return function () {
          abort("randomDevice");
        };
      }

      var PATH_FS = {
        resolve: function resolve() {
          var resolvedPath = "",
              resolvedAbsolute = false;

          for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
            var path = i >= 0 ? arguments[i] : FS.cwd();

            if (typeof path !== "string") {
              throw new TypeError("Arguments to path.resolve must be strings");
            } else if (!path) {
              return "";
            }

            resolvedPath = path + "/" + resolvedPath;
            resolvedAbsolute = path.charAt(0) === "/";
          }

          resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(function (p) {
            return !!p;
          }), !resolvedAbsolute).join("/");
          return (resolvedAbsolute ? "/" : "") + resolvedPath || ".";
        },
        relative: function relative(from, to) {
          from = PATH_FS.resolve(from).substr(1);
          to = PATH_FS.resolve(to).substr(1);

          function trim(arr) {
            var start = 0;

            for (; start < arr.length; start++) {
              if (arr[start] !== "") break;
            }

            var end = arr.length - 1;

            for (; end >= 0; end--) {
              if (arr[end] !== "") break;
            }

            if (start > end) return [];
            return arr.slice(start, end - start + 1);
          }

          var fromParts = trim(from.split("/"));
          var toParts = trim(to.split("/"));
          var length = Math.min(fromParts.length, toParts.length);
          var samePartsLength = length;

          for (var i = 0; i < length; i++) {
            if (fromParts[i] !== toParts[i]) {
              samePartsLength = i;
              break;
            }
          }

          var outputParts = [];

          for (var i = samePartsLength; i < fromParts.length; i++) {
            outputParts.push("..");
          }

          outputParts = outputParts.concat(toParts.slice(samePartsLength));
          return outputParts.join("/");
        }
      };
      var TTY = {
        ttys: [],
        init: function init() {},
        shutdown: function shutdown() {},
        register: function register(dev, ops) {
          TTY.ttys[dev] = {
            input: [],
            output: [],
            ops: ops
          };
          FS.registerDevice(dev, TTY.stream_ops);
        },
        stream_ops: {
          open: function open(stream) {
            var tty = TTY.ttys[stream.node.rdev];

            if (!tty) {
              throw new FS.ErrnoError(43);
            }

            stream.tty = tty;
            stream.seekable = false;
          },
          close: function close(stream) {
            stream.tty.ops.flush(stream.tty);
          },
          flush: function flush(stream) {
            stream.tty.ops.flush(stream.tty);
          },
          read: function read(stream, buffer, offset, length, pos) {
            if (!stream.tty || !stream.tty.ops.get_char) {
              throw new FS.ErrnoError(60);
            }

            var bytesRead = 0;

            for (var i = 0; i < length; i++) {
              var result;

              try {
                result = stream.tty.ops.get_char(stream.tty);
              } catch (e) {
                throw new FS.ErrnoError(29);
              }

              if (result === undefined && bytesRead === 0) {
                throw new FS.ErrnoError(6);
              }

              if (result === null || result === undefined) break;
              bytesRead++;
              buffer[offset + i] = result;
            }

            if (bytesRead) {
              stream.node.timestamp = Date.now();
            }

            return bytesRead;
          },
          write: function write(stream, buffer, offset, length, pos) {
            if (!stream.tty || !stream.tty.ops.put_char) {
              throw new FS.ErrnoError(60);
            }

            try {
              for (var i = 0; i < length; i++) {
                stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
              }
            } catch (e) {
              throw new FS.ErrnoError(29);
            }

            if (length) {
              stream.node.timestamp = Date.now();
            }

            return i;
          }
        },
        default_tty_ops: {
          get_char: function get_char(tty) {
            if (!tty.input.length) {
              var result = null;

              if (ENVIRONMENT_IS_NODE) {
                var BUFSIZE = 256;
                var buf = Buffer.alloc ? Buffer.alloc(BUFSIZE) : new Buffer(BUFSIZE);
                var bytesRead = 0;

                try {
                  bytesRead = nodeFS.readSync(process.stdin.fd, buf, 0, BUFSIZE, null);
                } catch (e) {
                  if (e.toString().indexOf("EOF") != -1) bytesRead = 0;else throw e;
                }

                if (bytesRead > 0) {
                  result = buf.slice(0, bytesRead).toString("utf-8");
                } else {
                  result = null;
                }
              } else if (typeof window != "undefined" && typeof window.prompt == "function") {
                result = window.prompt("Input: ");

                if (result !== null) {
                  result += "\n";
                }
              } else if (typeof readline == "function") {
                result = readline();

                if (result !== null) {
                  result += "\n";
                }
              }

              if (!result) {
                return null;
              }

              tty.input = intArrayFromString(result, true);
            }

            return tty.input.shift();
          },
          put_char: function put_char(tty, val) {
            if (val === null || val === 10) {
              out(UTF8ArrayToString(tty.output, 0));
              tty.output = [];
            } else {
              if (val != 0) tty.output.push(val);
            }
          },
          flush: function flush(tty) {
            if (tty.output && tty.output.length > 0) {
              out(UTF8ArrayToString(tty.output, 0));
              tty.output = [];
            }
          }
        },
        default_tty1_ops: {
          put_char: function put_char(tty, val) {
            if (val === null || val === 10) {
              err(UTF8ArrayToString(tty.output, 0));
              tty.output = [];
            } else {
              if (val != 0) tty.output.push(val);
            }
          },
          flush: function flush(tty) {
            if (tty.output && tty.output.length > 0) {
              err(UTF8ArrayToString(tty.output, 0));
              tty.output = [];
            }
          }
        }
      };

      function mmapAlloc(size) {
        var alignedSize = alignMemory(size, 16384);

        var ptr = _malloc(alignedSize);

        while (size < alignedSize) {
          HEAP8[ptr + size++] = 0;
        }

        return ptr;
      }

      var MEMFS = {
        ops_table: null,
        mount: function mount(_mount) {
          return MEMFS.createNode(null, "/", 16384 | 511, 0);
        },
        createNode: function createNode(parent, name, mode, dev) {
          if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
            throw new FS.ErrnoError(63);
          }

          if (!MEMFS.ops_table) {
            MEMFS.ops_table = {
              dir: {
                node: {
                  getattr: MEMFS.node_ops.getattr,
                  setattr: MEMFS.node_ops.setattr,
                  lookup: MEMFS.node_ops.lookup,
                  mknod: MEMFS.node_ops.mknod,
                  rename: MEMFS.node_ops.rename,
                  unlink: MEMFS.node_ops.unlink,
                  rmdir: MEMFS.node_ops.rmdir,
                  readdir: MEMFS.node_ops.readdir,
                  symlink: MEMFS.node_ops.symlink
                },
                stream: {
                  llseek: MEMFS.stream_ops.llseek
                }
              },
              file: {
                node: {
                  getattr: MEMFS.node_ops.getattr,
                  setattr: MEMFS.node_ops.setattr
                },
                stream: {
                  llseek: MEMFS.stream_ops.llseek,
                  read: MEMFS.stream_ops.read,
                  write: MEMFS.stream_ops.write,
                  allocate: MEMFS.stream_ops.allocate,
                  mmap: MEMFS.stream_ops.mmap,
                  msync: MEMFS.stream_ops.msync
                }
              },
              link: {
                node: {
                  getattr: MEMFS.node_ops.getattr,
                  setattr: MEMFS.node_ops.setattr,
                  readlink: MEMFS.node_ops.readlink
                },
                stream: {}
              },
              chrdev: {
                node: {
                  getattr: MEMFS.node_ops.getattr,
                  setattr: MEMFS.node_ops.setattr
                },
                stream: FS.chrdev_stream_ops
              }
            };
          }

          var node = FS.createNode(parent, name, mode, dev);

          if (FS.isDir(node.mode)) {
            node.node_ops = MEMFS.ops_table.dir.node;
            node.stream_ops = MEMFS.ops_table.dir.stream;
            node.contents = {};
          } else if (FS.isFile(node.mode)) {
            node.node_ops = MEMFS.ops_table.file.node;
            node.stream_ops = MEMFS.ops_table.file.stream;
            node.usedBytes = 0;
            node.contents = null;
          } else if (FS.isLink(node.mode)) {
            node.node_ops = MEMFS.ops_table.link.node;
            node.stream_ops = MEMFS.ops_table.link.stream;
          } else if (FS.isChrdev(node.mode)) {
            node.node_ops = MEMFS.ops_table.chrdev.node;
            node.stream_ops = MEMFS.ops_table.chrdev.stream;
          }

          node.timestamp = Date.now();

          if (parent) {
            parent.contents[name] = node;
          }

          return node;
        },
        getFileDataAsRegularArray: function getFileDataAsRegularArray(node) {
          if (node.contents && node.contents.subarray) {
            var arr = [];

            for (var i = 0; i < node.usedBytes; ++i) {
              arr.push(node.contents[i]);
            }

            return arr;
          }

          return node.contents;
        },
        getFileDataAsTypedArray: function getFileDataAsTypedArray(node) {
          if (!node.contents) return new Uint8Array(0);
          if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
          return new Uint8Array(node.contents);
        },
        expandFileStorage: function expandFileStorage(node, newCapacity) {
          var prevCapacity = node.contents ? node.contents.length : 0;
          if (prevCapacity >= newCapacity) return;
          var CAPACITY_DOUBLING_MAX = 1024 * 1024;
          newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
          if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
          var oldContents = node.contents;
          node.contents = new Uint8Array(newCapacity);
          if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
          return;
        },
        resizeFileStorage: function resizeFileStorage(node, newSize) {
          if (node.usedBytes == newSize) return;

          if (newSize == 0) {
            node.contents = null;
            node.usedBytes = 0;
            return;
          }

          if (!node.contents || node.contents.subarray) {
            var oldContents = node.contents;
            node.contents = new Uint8Array(newSize);

            if (oldContents) {
              node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
            }

            node.usedBytes = newSize;
            return;
          }

          if (!node.contents) node.contents = [];
          if (node.contents.length > newSize) node.contents.length = newSize;else while (node.contents.length < newSize) {
            node.contents.push(0);
          }
          node.usedBytes = newSize;
        },
        node_ops: {
          getattr: function getattr(node) {
            var attr = {};
            attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
            attr.ino = node.id;
            attr.mode = node.mode;
            attr.nlink = 1;
            attr.uid = 0;
            attr.gid = 0;
            attr.rdev = node.rdev;

            if (FS.isDir(node.mode)) {
              attr.size = 4096;
            } else if (FS.isFile(node.mode)) {
              attr.size = node.usedBytes;
            } else if (FS.isLink(node.mode)) {
              attr.size = node.link.length;
            } else {
              attr.size = 0;
            }

            attr.atime = new Date(node.timestamp);
            attr.mtime = new Date(node.timestamp);
            attr.ctime = new Date(node.timestamp);
            attr.blksize = 4096;
            attr.blocks = Math.ceil(attr.size / attr.blksize);
            return attr;
          },
          setattr: function setattr(node, attr) {
            if (attr.mode !== undefined) {
              node.mode = attr.mode;
            }

            if (attr.timestamp !== undefined) {
              node.timestamp = attr.timestamp;
            }

            if (attr.size !== undefined) {
              MEMFS.resizeFileStorage(node, attr.size);
            }
          },
          lookup: function lookup(parent, name) {
            throw FS.genericErrors[44];
          },
          mknod: function mknod(parent, name, mode, dev) {
            return MEMFS.createNode(parent, name, mode, dev);
          },
          rename: function rename(old_node, new_dir, new_name) {
            if (FS.isDir(old_node.mode)) {
              var new_node;

              try {
                new_node = FS.lookupNode(new_dir, new_name);
              } catch (e) {}

              if (new_node) {
                for (var i in new_node.contents) {
                  throw new FS.ErrnoError(55);
                }
              }
            }

            delete old_node.parent.contents[old_node.name];
            old_node.name = new_name;
            new_dir.contents[new_name] = old_node;
            old_node.parent = new_dir;
          },
          unlink: function unlink(parent, name) {
            delete parent.contents[name];
          },
          rmdir: function rmdir(parent, name) {
            var node = FS.lookupNode(parent, name);

            for (var i in node.contents) {
              throw new FS.ErrnoError(55);
            }

            delete parent.contents[name];
          },
          readdir: function readdir(node) {
            var entries = [".", ".."];

            for (var key in node.contents) {
              if (!node.contents.hasOwnProperty(key)) {
                continue;
              }

              entries.push(key);
            }

            return entries;
          },
          symlink: function symlink(parent, newname, oldpath) {
            var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
            node.link = oldpath;
            return node;
          },
          readlink: function readlink(node) {
            if (!FS.isLink(node.mode)) {
              throw new FS.ErrnoError(28);
            }

            return node.link;
          }
        },
        stream_ops: {
          read: function read(stream, buffer, offset, length, position) {
            var contents = stream.node.contents;
            if (position >= stream.node.usedBytes) return 0;
            var size = Math.min(stream.node.usedBytes - position, length);

            if (size > 8 && contents.subarray) {
              buffer.set(contents.subarray(position, position + size), offset);
            } else {
              for (var i = 0; i < size; i++) {
                buffer[offset + i] = contents[position + i];
              }
            }

            return size;
          },
          write: function write(stream, buffer, offset, length, position, canOwn) {
            if (buffer.buffer === HEAP8.buffer) {
              canOwn = false;
            }

            if (!length) return 0;
            var node = stream.node;
            node.timestamp = Date.now();

            if (buffer.subarray && (!node.contents || node.contents.subarray)) {
              if (canOwn) {
                node.contents = buffer.subarray(offset, offset + length);
                node.usedBytes = length;
                return length;
              } else if (node.usedBytes === 0 && position === 0) {
                node.contents = buffer.slice(offset, offset + length);
                node.usedBytes = length;
                return length;
              } else if (position + length <= node.usedBytes) {
                node.contents.set(buffer.subarray(offset, offset + length), position);
                return length;
              }
            }

            MEMFS.expandFileStorage(node, position + length);

            if (node.contents.subarray && buffer.subarray) {
              node.contents.set(buffer.subarray(offset, offset + length), position);
            } else {
              for (var i = 0; i < length; i++) {
                node.contents[position + i] = buffer[offset + i];
              }
            }

            node.usedBytes = Math.max(node.usedBytes, position + length);
            return length;
          },
          llseek: function llseek(stream, offset, whence) {
            var position = offset;

            if (whence === 1) {
              position += stream.position;
            } else if (whence === 2) {
              if (FS.isFile(stream.node.mode)) {
                position += stream.node.usedBytes;
              }
            }

            if (position < 0) {
              throw new FS.ErrnoError(28);
            }

            return position;
          },
          allocate: function allocate(stream, offset, length) {
            MEMFS.expandFileStorage(stream.node, offset + length);
            stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
          },
          mmap: function mmap(stream, address, length, position, prot, flags) {
            assert(address === 0);

            if (!FS.isFile(stream.node.mode)) {
              throw new FS.ErrnoError(43);
            }

            var ptr;
            var allocated;
            var contents = stream.node.contents;

            if (!(flags & 2) && contents.buffer === buffer) {
              allocated = false;
              ptr = contents.byteOffset;
            } else {
              if (position > 0 || position + length < contents.length) {
                if (contents.subarray) {
                  contents = contents.subarray(position, position + length);
                } else {
                  contents = Array.prototype.slice.call(contents, position, position + length);
                }
              }

              allocated = true;
              ptr = mmapAlloc(length);

              if (!ptr) {
                throw new FS.ErrnoError(48);
              }

              HEAP8.set(contents, ptr);
            }

            return {
              ptr: ptr,
              allocated: allocated
            };
          },
          msync: function msync(stream, buffer, offset, length, mmapFlags) {
            if (!FS.isFile(stream.node.mode)) {
              throw new FS.ErrnoError(43);
            }

            if (mmapFlags & 2) {
              return 0;
            }

            var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
            return 0;
          }
        }
      };
      var FS = {
        root: null,
        mounts: [],
        devices: {},
        streams: [],
        nextInode: 1,
        nameTable: null,
        currentPath: "/",
        initialized: false,
        ignorePermissions: true,
        trackingDelegate: {},
        tracking: {
          openFlags: {
            READ: 1,
            WRITE: 2
          }
        },
        ErrnoError: null,
        genericErrors: {},
        filesystems: null,
        syncFSRequests: 0,
        lookupPath: function lookupPath(path, opts) {
          path = PATH_FS.resolve(FS.cwd(), path);
          opts = opts || {};
          if (!path) return {
            path: "",
            node: null
          };
          var defaults = {
            follow_mount: true,
            recurse_count: 0
          };

          for (var key in defaults) {
            if (opts[key] === undefined) {
              opts[key] = defaults[key];
            }
          }

          if (opts.recurse_count > 8) {
            throw new FS.ErrnoError(32);
          }

          var parts = PATH.normalizeArray(path.split("/").filter(function (p) {
            return !!p;
          }), false);
          var current = FS.root;
          var current_path = "/";

          for (var i = 0; i < parts.length; i++) {
            var islast = i === parts.length - 1;

            if (islast && opts.parent) {
              break;
            }

            current = FS.lookupNode(current, parts[i]);
            current_path = PATH.join2(current_path, parts[i]);

            if (FS.isMountpoint(current)) {
              if (!islast || islast && opts.follow_mount) {
                current = current.mounted.root;
              }
            }

            if (!islast || opts.follow) {
              var count = 0;

              while (FS.isLink(current.mode)) {
                var link = FS.readlink(current_path);
                current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
                var lookup = FS.lookupPath(current_path, {
                  recurse_count: opts.recurse_count
                });
                current = lookup.node;

                if (count++ > 40) {
                  throw new FS.ErrnoError(32);
                }
              }
            }
          }

          return {
            path: current_path,
            node: current
          };
        },
        getPath: function getPath(node) {
          var path;

          while (true) {
            if (FS.isRoot(node)) {
              var mount = node.mount.mountpoint;
              if (!path) return mount;
              return mount[mount.length - 1] !== "/" ? mount + "/" + path : mount + path;
            }

            path = path ? node.name + "/" + path : node.name;
            node = node.parent;
          }
        },
        hashName: function hashName(parentid, name) {
          var hash = 0;

          for (var i = 0; i < name.length; i++) {
            hash = (hash << 5) - hash + name.charCodeAt(i) | 0;
          }

          return (parentid + hash >>> 0) % FS.nameTable.length;
        },
        hashAddNode: function hashAddNode(node) {
          var hash = FS.hashName(node.parent.id, node.name);
          node.name_next = FS.nameTable[hash];
          FS.nameTable[hash] = node;
        },
        hashRemoveNode: function hashRemoveNode(node) {
          var hash = FS.hashName(node.parent.id, node.name);

          if (FS.nameTable[hash] === node) {
            FS.nameTable[hash] = node.name_next;
          } else {
            var current = FS.nameTable[hash];

            while (current) {
              if (current.name_next === node) {
                current.name_next = node.name_next;
                break;
              }

              current = current.name_next;
            }
          }
        },
        lookupNode: function lookupNode(parent, name) {
          var errCode = FS.mayLookup(parent);

          if (errCode) {
            throw new FS.ErrnoError(errCode, parent);
          }

          var hash = FS.hashName(parent.id, name);

          for (var node = FS.nameTable[hash]; node; node = node.name_next) {
            var nodeName = node.name;

            if (node.parent.id === parent.id && nodeName === name) {
              return node;
            }
          }

          return FS.lookup(parent, name);
        },
        createNode: function createNode(parent, name, mode, rdev) {
          var node = new FS.FSNode(parent, name, mode, rdev);
          FS.hashAddNode(node);
          return node;
        },
        destroyNode: function destroyNode(node) {
          FS.hashRemoveNode(node);
        },
        isRoot: function isRoot(node) {
          return node === node.parent;
        },
        isMountpoint: function isMountpoint(node) {
          return !!node.mounted;
        },
        isFile: function isFile(mode) {
          return (mode & 61440) === 32768;
        },
        isDir: function isDir(mode) {
          return (mode & 61440) === 16384;
        },
        isLink: function isLink(mode) {
          return (mode & 61440) === 40960;
        },
        isChrdev: function isChrdev(mode) {
          return (mode & 61440) === 8192;
        },
        isBlkdev: function isBlkdev(mode) {
          return (mode & 61440) === 24576;
        },
        isFIFO: function isFIFO(mode) {
          return (mode & 61440) === 4096;
        },
        isSocket: function isSocket(mode) {
          return (mode & 49152) === 49152;
        },
        flagModes: {
          "r": 0,
          "r+": 2,
          "w": 577,
          "w+": 578,
          "a": 1089,
          "a+": 1090
        },
        modeStringToFlags: function modeStringToFlags(str) {
          var flags = FS.flagModes[str];

          if (typeof flags === "undefined") {
            throw new Error("Unknown file open mode: " + str);
          }

          return flags;
        },
        flagsToPermissionString: function flagsToPermissionString(flag) {
          var perms = ["r", "w", "rw"][flag & 3];

          if (flag & 512) {
            perms += "w";
          }

          return perms;
        },
        nodePermissions: function nodePermissions(node, perms) {
          if (FS.ignorePermissions) {
            return 0;
          }

          if (perms.indexOf("r") !== -1 && !(node.mode & 292)) {
            return 2;
          } else if (perms.indexOf("w") !== -1 && !(node.mode & 146)) {
            return 2;
          } else if (perms.indexOf("x") !== -1 && !(node.mode & 73)) {
            return 2;
          }

          return 0;
        },
        mayLookup: function mayLookup(dir) {
          var errCode = FS.nodePermissions(dir, "x");
          if (errCode) return errCode;
          if (!dir.node_ops.lookup) return 2;
          return 0;
        },
        mayCreate: function mayCreate(dir, name) {
          try {
            var node = FS.lookupNode(dir, name);
            return 20;
          } catch (e) {}

          return FS.nodePermissions(dir, "wx");
        },
        mayDelete: function mayDelete(dir, name, isdir) {
          var node;

          try {
            node = FS.lookupNode(dir, name);
          } catch (e) {
            return e.errno;
          }

          var errCode = FS.nodePermissions(dir, "wx");

          if (errCode) {
            return errCode;
          }

          if (isdir) {
            if (!FS.isDir(node.mode)) {
              return 54;
            }

            if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
              return 10;
            }
          } else {
            if (FS.isDir(node.mode)) {
              return 31;
            }
          }

          return 0;
        },
        mayOpen: function mayOpen(node, flags) {
          if (!node) {
            return 44;
          }

          if (FS.isLink(node.mode)) {
            return 32;
          } else if (FS.isDir(node.mode)) {
            if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
              return 31;
            }
          }

          return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
        },
        MAX_OPEN_FDS: 4096,
        nextfd: function nextfd(fd_start, fd_end) {
          fd_start = fd_start || 0;
          fd_end = fd_end || FS.MAX_OPEN_FDS;

          for (var fd = fd_start; fd <= fd_end; fd++) {
            if (!FS.streams[fd]) {
              return fd;
            }
          }

          throw new FS.ErrnoError(33);
        },
        getStream: function getStream(fd) {
          return FS.streams[fd];
        },
        createStream: function createStream(stream, fd_start, fd_end) {
          if (!FS.FSStream) {
            FS.FSStream = function () {};

            FS.FSStream.prototype = {
              object: {
                get: function get() {
                  return this.node;
                },
                set: function set(val) {
                  this.node = val;
                }
              },
              isRead: {
                get: function get() {
                  return (this.flags & 2097155) !== 1;
                }
              },
              isWrite: {
                get: function get() {
                  return (this.flags & 2097155) !== 0;
                }
              },
              isAppend: {
                get: function get() {
                  return this.flags & 1024;
                }
              }
            };
          }

          var newStream = new FS.FSStream();

          for (var p in stream) {
            newStream[p] = stream[p];
          }

          stream = newStream;
          var fd = FS.nextfd(fd_start, fd_end);
          stream.fd = fd;
          FS.streams[fd] = stream;
          return stream;
        },
        closeStream: function closeStream(fd) {
          FS.streams[fd] = null;
        },
        chrdev_stream_ops: {
          open: function open(stream) {
            var device = FS.getDevice(stream.node.rdev);
            stream.stream_ops = device.stream_ops;

            if (stream.stream_ops.open) {
              stream.stream_ops.open(stream);
            }
          },
          llseek: function llseek() {
            throw new FS.ErrnoError(70);
          }
        },
        major: function major(dev) {
          return dev >> 8;
        },
        minor: function minor(dev) {
          return dev & 255;
        },
        makedev: function makedev(ma, mi) {
          return ma << 8 | mi;
        },
        registerDevice: function registerDevice(dev, ops) {
          FS.devices[dev] = {
            stream_ops: ops
          };
        },
        getDevice: function getDevice(dev) {
          return FS.devices[dev];
        },
        getMounts: function getMounts(mount) {
          var mounts = [];
          var check = [mount];

          while (check.length) {
            var m = check.pop();
            mounts.push(m);
            check.push.apply(check, m.mounts);
          }

          return mounts;
        },
        syncfs: function syncfs(populate, callback) {
          if (typeof populate === "function") {
            callback = populate;
            populate = false;
          }

          FS.syncFSRequests++;

          if (FS.syncFSRequests > 1) {
            err("warning: " + FS.syncFSRequests + " FS.syncfs operations in flight at once, probably just doing extra work");
          }

          var mounts = FS.getMounts(FS.root.mount);
          var completed = 0;

          function doCallback(errCode) {
            FS.syncFSRequests--;
            return callback(errCode);
          }

          function done(errCode) {
            if (errCode) {
              if (!done.errored) {
                done.errored = true;
                return doCallback(errCode);
              }

              return;
            }

            if (++completed >= mounts.length) {
              doCallback(null);
            }
          }

          mounts.forEach(function (mount) {
            if (!mount.type.syncfs) {
              return done(null);
            }

            mount.type.syncfs(mount, populate, done);
          });
        },
        mount: function mount(type, opts, mountpoint) {
          var root = mountpoint === "/";
          var pseudo = !mountpoint;
          var node;

          if (root && FS.root) {
            throw new FS.ErrnoError(10);
          } else if (!root && !pseudo) {
            var lookup = FS.lookupPath(mountpoint, {
              follow_mount: false
            });
            mountpoint = lookup.path;
            node = lookup.node;

            if (FS.isMountpoint(node)) {
              throw new FS.ErrnoError(10);
            }

            if (!FS.isDir(node.mode)) {
              throw new FS.ErrnoError(54);
            }
          }

          var mount = {
            type: type,
            opts: opts,
            mountpoint: mountpoint,
            mounts: []
          };
          var mountRoot = type.mount(mount);
          mountRoot.mount = mount;
          mount.root = mountRoot;

          if (root) {
            FS.root = mountRoot;
          } else if (node) {
            node.mounted = mount;

            if (node.mount) {
              node.mount.mounts.push(mount);
            }
          }

          return mountRoot;
        },
        unmount: function unmount(mountpoint) {
          var lookup = FS.lookupPath(mountpoint, {
            follow_mount: false
          });

          if (!FS.isMountpoint(lookup.node)) {
            throw new FS.ErrnoError(28);
          }

          var node = lookup.node;
          var mount = node.mounted;
          var mounts = FS.getMounts(mount);
          Object.keys(FS.nameTable).forEach(function (hash) {
            var current = FS.nameTable[hash];

            while (current) {
              var next = current.name_next;

              if (mounts.indexOf(current.mount) !== -1) {
                FS.destroyNode(current);
              }

              current = next;
            }
          });
          node.mounted = null;
          var idx = node.mount.mounts.indexOf(mount);
          node.mount.mounts.splice(idx, 1);
        },
        lookup: function lookup(parent, name) {
          return parent.node_ops.lookup(parent, name);
        },
        mknod: function mknod(path, mode, dev) {
          var lookup = FS.lookupPath(path, {
            parent: true
          });
          var parent = lookup.node;
          var name = PATH.basename(path);

          if (!name || name === "." || name === "..") {
            throw new FS.ErrnoError(28);
          }

          var errCode = FS.mayCreate(parent, name);

          if (errCode) {
            throw new FS.ErrnoError(errCode);
          }

          if (!parent.node_ops.mknod) {
            throw new FS.ErrnoError(63);
          }

          return parent.node_ops.mknod(parent, name, mode, dev);
        },
        create: function create(path, mode) {
          mode = mode !== undefined ? mode : 438;
          mode &= 4095;
          mode |= 32768;
          return FS.mknod(path, mode, 0);
        },
        mkdir: function mkdir(path, mode) {
          mode = mode !== undefined ? mode : 511;
          mode &= 511 | 512;
          mode |= 16384;
          return FS.mknod(path, mode, 0);
        },
        mkdirTree: function mkdirTree(path, mode) {
          var dirs = path.split("/");
          var d = "";

          for (var i = 0; i < dirs.length; ++i) {
            if (!dirs[i]) continue;
            d += "/" + dirs[i];

            try {
              FS.mkdir(d, mode);
            } catch (e) {
              if (e.errno != 20) throw e;
            }
          }
        },
        mkdev: function mkdev(path, mode, dev) {
          if (typeof dev === "undefined") {
            dev = mode;
            mode = 438;
          }

          mode |= 8192;
          return FS.mknod(path, mode, dev);
        },
        symlink: function symlink(oldpath, newpath) {
          if (!PATH_FS.resolve(oldpath)) {
            throw new FS.ErrnoError(44);
          }

          var lookup = FS.lookupPath(newpath, {
            parent: true
          });
          var parent = lookup.node;

          if (!parent) {
            throw new FS.ErrnoError(44);
          }

          var newname = PATH.basename(newpath);
          var errCode = FS.mayCreate(parent, newname);

          if (errCode) {
            throw new FS.ErrnoError(errCode);
          }

          if (!parent.node_ops.symlink) {
            throw new FS.ErrnoError(63);
          }

          return parent.node_ops.symlink(parent, newname, oldpath);
        },
        rename: function rename(old_path, new_path) {
          var old_dirname = PATH.dirname(old_path);
          var new_dirname = PATH.dirname(new_path);
          var old_name = PATH.basename(old_path);
          var new_name = PATH.basename(new_path);
          var lookup, old_dir, new_dir;
          lookup = FS.lookupPath(old_path, {
            parent: true
          });
          old_dir = lookup.node;
          lookup = FS.lookupPath(new_path, {
            parent: true
          });
          new_dir = lookup.node;
          if (!old_dir || !new_dir) throw new FS.ErrnoError(44);

          if (old_dir.mount !== new_dir.mount) {
            throw new FS.ErrnoError(75);
          }

          var old_node = FS.lookupNode(old_dir, old_name);
          var relative = PATH_FS.relative(old_path, new_dirname);

          if (relative.charAt(0) !== ".") {
            throw new FS.ErrnoError(28);
          }

          relative = PATH_FS.relative(new_path, old_dirname);

          if (relative.charAt(0) !== ".") {
            throw new FS.ErrnoError(55);
          }

          var new_node;

          try {
            new_node = FS.lookupNode(new_dir, new_name);
          } catch (e) {}

          if (old_node === new_node) {
            return;
          }

          var isdir = FS.isDir(old_node.mode);
          var errCode = FS.mayDelete(old_dir, old_name, isdir);

          if (errCode) {
            throw new FS.ErrnoError(errCode);
          }

          errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);

          if (errCode) {
            throw new FS.ErrnoError(errCode);
          }

          if (!old_dir.node_ops.rename) {
            throw new FS.ErrnoError(63);
          }

          if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
            throw new FS.ErrnoError(10);
          }

          if (new_dir !== old_dir) {
            errCode = FS.nodePermissions(old_dir, "w");

            if (errCode) {
              throw new FS.ErrnoError(errCode);
            }
          }

          try {
            if (FS.trackingDelegate["willMovePath"]) {
              FS.trackingDelegate["willMovePath"](old_path, new_path);
            }
          } catch (e) {
            err("FS.trackingDelegate['willMovePath']('" + old_path + "', '" + new_path + "') threw an exception: " + e.message);
          }

          FS.hashRemoveNode(old_node);

          try {
            old_dir.node_ops.rename(old_node, new_dir, new_name);
          } catch (e) {
            throw e;
          } finally {
            FS.hashAddNode(old_node);
          }

          try {
            if (FS.trackingDelegate["onMovePath"]) FS.trackingDelegate["onMovePath"](old_path, new_path);
          } catch (e) {
            err("FS.trackingDelegate['onMovePath']('" + old_path + "', '" + new_path + "') threw an exception: " + e.message);
          }
        },
        rmdir: function rmdir(path) {
          var lookup = FS.lookupPath(path, {
            parent: true
          });
          var parent = lookup.node;
          var name = PATH.basename(path);
          var node = FS.lookupNode(parent, name);
          var errCode = FS.mayDelete(parent, name, true);

          if (errCode) {
            throw new FS.ErrnoError(errCode);
          }

          if (!parent.node_ops.rmdir) {
            throw new FS.ErrnoError(63);
          }

          if (FS.isMountpoint(node)) {
            throw new FS.ErrnoError(10);
          }

          try {
            if (FS.trackingDelegate["willDeletePath"]) {
              FS.trackingDelegate["willDeletePath"](path);
            }
          } catch (e) {
            err("FS.trackingDelegate['willDeletePath']('" + path + "') threw an exception: " + e.message);
          }

          parent.node_ops.rmdir(parent, name);
          FS.destroyNode(node);

          try {
            if (FS.trackingDelegate["onDeletePath"]) FS.trackingDelegate["onDeletePath"](path);
          } catch (e) {
            err("FS.trackingDelegate['onDeletePath']('" + path + "') threw an exception: " + e.message);
          }
        },
        readdir: function readdir(path) {
          var lookup = FS.lookupPath(path, {
            follow: true
          });
          var node = lookup.node;

          if (!node.node_ops.readdir) {
            throw new FS.ErrnoError(54);
          }

          return node.node_ops.readdir(node);
        },
        unlink: function unlink(path) {
          var lookup = FS.lookupPath(path, {
            parent: true
          });
          var parent = lookup.node;
          var name = PATH.basename(path);
          var node = FS.lookupNode(parent, name);
          var errCode = FS.mayDelete(parent, name, false);

          if (errCode) {
            throw new FS.ErrnoError(errCode);
          }

          if (!parent.node_ops.unlink) {
            throw new FS.ErrnoError(63);
          }

          if (FS.isMountpoint(node)) {
            throw new FS.ErrnoError(10);
          }

          try {
            if (FS.trackingDelegate["willDeletePath"]) {
              FS.trackingDelegate["willDeletePath"](path);
            }
          } catch (e) {
            err("FS.trackingDelegate['willDeletePath']('" + path + "') threw an exception: " + e.message);
          }

          parent.node_ops.unlink(parent, name);
          FS.destroyNode(node);

          try {
            if (FS.trackingDelegate["onDeletePath"]) FS.trackingDelegate["onDeletePath"](path);
          } catch (e) {
            err("FS.trackingDelegate['onDeletePath']('" + path + "') threw an exception: " + e.message);
          }
        },
        readlink: function readlink(path) {
          var lookup = FS.lookupPath(path);
          var link = lookup.node;

          if (!link) {
            throw new FS.ErrnoError(44);
          }

          if (!link.node_ops.readlink) {
            throw new FS.ErrnoError(28);
          }

          return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
        },
        stat: function stat(path, dontFollow) {
          var lookup = FS.lookupPath(path, {
            follow: !dontFollow
          });
          var node = lookup.node;

          if (!node) {
            throw new FS.ErrnoError(44);
          }

          if (!node.node_ops.getattr) {
            throw new FS.ErrnoError(63);
          }

          return node.node_ops.getattr(node);
        },
        lstat: function lstat(path) {
          return FS.stat(path, true);
        },
        chmod: function chmod(path, mode, dontFollow) {
          var node;

          if (typeof path === "string") {
            var lookup = FS.lookupPath(path, {
              follow: !dontFollow
            });
            node = lookup.node;
          } else {
            node = path;
          }

          if (!node.node_ops.setattr) {
            throw new FS.ErrnoError(63);
          }

          node.node_ops.setattr(node, {
            mode: mode & 4095 | node.mode & ~4095,
            timestamp: Date.now()
          });
        },
        lchmod: function lchmod(path, mode) {
          FS.chmod(path, mode, true);
        },
        fchmod: function fchmod(fd, mode) {
          var stream = FS.getStream(fd);

          if (!stream) {
            throw new FS.ErrnoError(8);
          }

          FS.chmod(stream.node, mode);
        },
        chown: function chown(path, uid, gid, dontFollow) {
          var node;

          if (typeof path === "string") {
            var lookup = FS.lookupPath(path, {
              follow: !dontFollow
            });
            node = lookup.node;
          } else {
            node = path;
          }

          if (!node.node_ops.setattr) {
            throw new FS.ErrnoError(63);
          }

          node.node_ops.setattr(node, {
            timestamp: Date.now()
          });
        },
        lchown: function lchown(path, uid, gid) {
          FS.chown(path, uid, gid, true);
        },
        fchown: function fchown(fd, uid, gid) {
          var stream = FS.getStream(fd);

          if (!stream) {
            throw new FS.ErrnoError(8);
          }

          FS.chown(stream.node, uid, gid);
        },
        truncate: function truncate(path, len) {
          if (len < 0) {
            throw new FS.ErrnoError(28);
          }

          var node;

          if (typeof path === "string") {
            var lookup = FS.lookupPath(path, {
              follow: true
            });
            node = lookup.node;
          } else {
            node = path;
          }

          if (!node.node_ops.setattr) {
            throw new FS.ErrnoError(63);
          }

          if (FS.isDir(node.mode)) {
            throw new FS.ErrnoError(31);
          }

          if (!FS.isFile(node.mode)) {
            throw new FS.ErrnoError(28);
          }

          var errCode = FS.nodePermissions(node, "w");

          if (errCode) {
            throw new FS.ErrnoError(errCode);
          }

          node.node_ops.setattr(node, {
            size: len,
            timestamp: Date.now()
          });
        },
        ftruncate: function ftruncate(fd, len) {
          var stream = FS.getStream(fd);

          if (!stream) {
            throw new FS.ErrnoError(8);
          }

          if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(28);
          }

          FS.truncate(stream.node, len);
        },
        utime: function utime(path, atime, mtime) {
          var lookup = FS.lookupPath(path, {
            follow: true
          });
          var node = lookup.node;
          node.node_ops.setattr(node, {
            timestamp: Math.max(atime, mtime)
          });
        },
        open: function open(path, flags, mode, fd_start, fd_end) {
          if (path === "") {
            throw new FS.ErrnoError(44);
          }

          flags = typeof flags === "string" ? FS.modeStringToFlags(flags) : flags;
          mode = typeof mode === "undefined" ? 438 : mode;

          if (flags & 64) {
            mode = mode & 4095 | 32768;
          } else {
            mode = 0;
          }

          var node;

          if (typeof path === "object") {
            node = path;
          } else {
            path = PATH.normalize(path);

            try {
              var lookup = FS.lookupPath(path, {
                follow: !(flags & 131072)
              });
              node = lookup.node;
            } catch (e) {}
          }

          var created = false;

          if (flags & 64) {
            if (node) {
              if (flags & 128) {
                throw new FS.ErrnoError(20);
              }
            } else {
              node = FS.mknod(path, mode, 0);
              created = true;
            }
          }

          if (!node) {
            throw new FS.ErrnoError(44);
          }

          if (FS.isChrdev(node.mode)) {
            flags &= ~512;
          }

          if (flags & 65536 && !FS.isDir(node.mode)) {
            throw new FS.ErrnoError(54);
          }

          if (!created) {
            var errCode = FS.mayOpen(node, flags);

            if (errCode) {
              throw new FS.ErrnoError(errCode);
            }
          }

          if (flags & 512) {
            FS.truncate(node, 0);
          }

          flags &= ~(128 | 512 | 131072);
          var stream = FS.createStream({
            node: node,
            path: FS.getPath(node),
            flags: flags,
            seekable: true,
            position: 0,
            stream_ops: node.stream_ops,
            ungotten: [],
            error: false
          }, fd_start, fd_end);

          if (stream.stream_ops.open) {
            stream.stream_ops.open(stream);
          }

          if (Module["logReadFiles"] && !(flags & 1)) {
            if (!FS.readFiles) FS.readFiles = {};

            if (!(path in FS.readFiles)) {
              FS.readFiles[path] = 1;
              err("FS.trackingDelegate error on read file: " + path);
            }
          }

          try {
            if (FS.trackingDelegate["onOpenFile"]) {
              var trackingFlags = 0;

              if ((flags & 2097155) !== 1) {
                trackingFlags |= FS.tracking.openFlags.READ;
              }

              if ((flags & 2097155) !== 0) {
                trackingFlags |= FS.tracking.openFlags.WRITE;
              }

              FS.trackingDelegate["onOpenFile"](path, trackingFlags);
            }
          } catch (e) {
            err("FS.trackingDelegate['onOpenFile']('" + path + "', flags) threw an exception: " + e.message);
          }

          return stream;
        },
        close: function close(stream) {
          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
          }

          if (stream.getdents) stream.getdents = null;

          try {
            if (stream.stream_ops.close) {
              stream.stream_ops.close(stream);
            }
          } catch (e) {
            throw e;
          } finally {
            FS.closeStream(stream.fd);
          }

          stream.fd = null;
        },
        isClosed: function isClosed(stream) {
          return stream.fd === null;
        },
        llseek: function llseek(stream, offset, whence) {
          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
          }

          if (!stream.seekable || !stream.stream_ops.llseek) {
            throw new FS.ErrnoError(70);
          }

          if (whence != 0 && whence != 1 && whence != 2) {
            throw new FS.ErrnoError(28);
          }

          stream.position = stream.stream_ops.llseek(stream, offset, whence);
          stream.ungotten = [];
          return stream.position;
        },
        read: function read(stream, buffer, offset, length, position) {
          if (length < 0 || position < 0) {
            throw new FS.ErrnoError(28);
          }

          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
          }

          if ((stream.flags & 2097155) === 1) {
            throw new FS.ErrnoError(8);
          }

          if (FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(31);
          }

          if (!stream.stream_ops.read) {
            throw new FS.ErrnoError(28);
          }

          var seeking = typeof position !== "undefined";

          if (!seeking) {
            position = stream.position;
          } else if (!stream.seekable) {
            throw new FS.ErrnoError(70);
          }

          var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
          if (!seeking) stream.position += bytesRead;
          return bytesRead;
        },
        write: function write(stream, buffer, offset, length, position, canOwn) {
          if (length < 0 || position < 0) {
            throw new FS.ErrnoError(28);
          }

          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
          }

          if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(8);
          }

          if (FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(31);
          }

          if (!stream.stream_ops.write) {
            throw new FS.ErrnoError(28);
          }

          if (stream.seekable && stream.flags & 1024) {
            FS.llseek(stream, 0, 2);
          }

          var seeking = typeof position !== "undefined";

          if (!seeking) {
            position = stream.position;
          } else if (!stream.seekable) {
            throw new FS.ErrnoError(70);
          }

          var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
          if (!seeking) stream.position += bytesWritten;

          try {
            if (stream.path && FS.trackingDelegate["onWriteToFile"]) FS.trackingDelegate["onWriteToFile"](stream.path);
          } catch (e) {
            err("FS.trackingDelegate['onWriteToFile']('" + stream.path + "') threw an exception: " + e.message);
          }

          return bytesWritten;
        },
        allocate: function allocate(stream, offset, length) {
          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
          }

          if (offset < 0 || length <= 0) {
            throw new FS.ErrnoError(28);
          }

          if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(8);
          }

          if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(43);
          }

          if (!stream.stream_ops.allocate) {
            throw new FS.ErrnoError(138);
          }

          stream.stream_ops.allocate(stream, offset, length);
        },
        mmap: function mmap(stream, address, length, position, prot, flags) {
          if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
            throw new FS.ErrnoError(2);
          }

          if ((stream.flags & 2097155) === 1) {
            throw new FS.ErrnoError(2);
          }

          if (!stream.stream_ops.mmap) {
            throw new FS.ErrnoError(43);
          }

          return stream.stream_ops.mmap(stream, address, length, position, prot, flags);
        },
        msync: function msync(stream, buffer, offset, length, mmapFlags) {
          if (!stream || !stream.stream_ops.msync) {
            return 0;
          }

          return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
        },
        munmap: function munmap(stream) {
          return 0;
        },
        ioctl: function ioctl(stream, cmd, arg) {
          if (!stream.stream_ops.ioctl) {
            throw new FS.ErrnoError(59);
          }

          return stream.stream_ops.ioctl(stream, cmd, arg);
        },
        readFile: function readFile(path, opts) {
          opts = opts || {};
          opts.flags = opts.flags || 0;
          opts.encoding = opts.encoding || "binary";

          if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
            throw new Error('Invalid encoding type "' + opts.encoding + '"');
          }

          var ret;
          var stream = FS.open(path, opts.flags);
          var stat = FS.stat(path);
          var length = stat.size;
          var buf = new Uint8Array(length);
          FS.read(stream, buf, 0, length, 0);

          if (opts.encoding === "utf8") {
            ret = UTF8ArrayToString(buf, 0);
          } else if (opts.encoding === "binary") {
            ret = buf;
          }

          FS.close(stream);
          return ret;
        },
        writeFile: function writeFile(path, data, opts) {
          opts = opts || {};
          opts.flags = opts.flags || 577;
          var stream = FS.open(path, opts.flags, opts.mode);

          if (typeof data === "string") {
            var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
            var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
            FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
          } else if (ArrayBuffer.isView(data)) {
            FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
          } else {
            throw new Error("Unsupported data type");
          }

          FS.close(stream);
        },
        cwd: function cwd() {
          return FS.currentPath;
        },
        chdir: function chdir(path) {
          var lookup = FS.lookupPath(path, {
            follow: true
          });

          if (lookup.node === null) {
            throw new FS.ErrnoError(44);
          }

          if (!FS.isDir(lookup.node.mode)) {
            throw new FS.ErrnoError(54);
          }

          var errCode = FS.nodePermissions(lookup.node, "x");

          if (errCode) {
            throw new FS.ErrnoError(errCode);
          }

          FS.currentPath = lookup.path;
        },
        createDefaultDirectories: function createDefaultDirectories() {
          FS.mkdir("/tmp");
          FS.mkdir("/home");
          FS.mkdir("/home/web_user");
        },
        createDefaultDevices: function createDefaultDevices() {
          FS.mkdir("/dev");
          FS.registerDevice(FS.makedev(1, 3), {
            read: function read() {
              return 0;
            },
            write: function write(stream, buffer, offset, length, pos) {
              return length;
            }
          });
          FS.mkdev("/dev/null", FS.makedev(1, 3));
          TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
          TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
          FS.mkdev("/dev/tty", FS.makedev(5, 0));
          FS.mkdev("/dev/tty1", FS.makedev(6, 0));
          var random_device = getRandomDevice();
          FS.createDevice("/dev", "random", random_device);
          FS.createDevice("/dev", "urandom", random_device);
          FS.mkdir("/dev/shm");
          FS.mkdir("/dev/shm/tmp");
        },
        createSpecialDirectories: function createSpecialDirectories() {
          FS.mkdir("/proc");
          FS.mkdir("/proc/self");
          FS.mkdir("/proc/self/fd");
          FS.mount({
            mount: function mount() {
              var node = FS.createNode("/proc/self", "fd", 16384 | 511, 73);
              node.node_ops = {
                lookup: function lookup(parent, name) {
                  var fd = +name;
                  var stream = FS.getStream(fd);
                  if (!stream) throw new FS.ErrnoError(8);
                  var ret = {
                    parent: null,
                    mount: {
                      mountpoint: "fake"
                    },
                    node_ops: {
                      readlink: function readlink() {
                        return stream.path;
                      }
                    }
                  };
                  ret.parent = ret;
                  return ret;
                }
              };
              return node;
            }
          }, {}, "/proc/self/fd");
        },
        createStandardStreams: function createStandardStreams() {
          if (Module["stdin"]) {
            FS.createDevice("/dev", "stdin", Module["stdin"]);
          } else {
            FS.symlink("/dev/tty", "/dev/stdin");
          }

          if (Module["stdout"]) {
            FS.createDevice("/dev", "stdout", null, Module["stdout"]);
          } else {
            FS.symlink("/dev/tty", "/dev/stdout");
          }

          if (Module["stderr"]) {
            FS.createDevice("/dev", "stderr", null, Module["stderr"]);
          } else {
            FS.symlink("/dev/tty1", "/dev/stderr");
          }

          var stdin = FS.open("/dev/stdin", 0);
          var stdout = FS.open("/dev/stdout", 1);
          var stderr = FS.open("/dev/stderr", 1);
        },
        ensureErrnoError: function ensureErrnoError() {
          if (FS.ErrnoError) return;

          FS.ErrnoError = function ErrnoError(errno, node) {
            this.node = node;

            this.setErrno = function (errno) {
              this.errno = errno;
            };

            this.setErrno(errno);
            this.message = "FS error";
          };

          FS.ErrnoError.prototype = new Error();
          FS.ErrnoError.prototype.constructor = FS.ErrnoError;
          [44].forEach(function (code) {
            FS.genericErrors[code] = new FS.ErrnoError(code);
            FS.genericErrors[code].stack = "<generic error, no stack>";
          });
        },
        staticInit: function staticInit() {
          FS.ensureErrnoError();
          FS.nameTable = new Array(4096);
          FS.mount(MEMFS, {}, "/");
          FS.createDefaultDirectories();
          FS.createDefaultDevices();
          FS.createSpecialDirectories();
          FS.filesystems = {
            "MEMFS": MEMFS
          };
        },
        init: function init(input, output, error) {
          FS.init.initialized = true;
          FS.ensureErrnoError();
          Module["stdin"] = input || Module["stdin"];
          Module["stdout"] = output || Module["stdout"];
          Module["stderr"] = error || Module["stderr"];
          FS.createStandardStreams();
        },
        quit: function quit() {
          FS.init.initialized = false;
          var fflush = Module["_fflush"];
          if (fflush) fflush(0);

          for (var i = 0; i < FS.streams.length; i++) {
            var stream = FS.streams[i];

            if (!stream) {
              continue;
            }

            FS.close(stream);
          }
        },
        getMode: function getMode(canRead, canWrite) {
          var mode = 0;
          if (canRead) mode |= 292 | 73;
          if (canWrite) mode |= 146;
          return mode;
        },
        findObject: function findObject(path, dontResolveLastLink) {
          var ret = FS.analyzePath(path, dontResolveLastLink);

          if (ret.exists) {
            return ret.object;
          } else {
            return null;
          }
        },
        analyzePath: function analyzePath(path, dontResolveLastLink) {
          try {
            var lookup = FS.lookupPath(path, {
              follow: !dontResolveLastLink
            });
            path = lookup.path;
          } catch (e) {}

          var ret = {
            isRoot: false,
            exists: false,
            error: 0,
            name: null,
            path: null,
            object: null,
            parentExists: false,
            parentPath: null,
            parentObject: null
          };

          try {
            var lookup = FS.lookupPath(path, {
              parent: true
            });
            ret.parentExists = true;
            ret.parentPath = lookup.path;
            ret.parentObject = lookup.node;
            ret.name = PATH.basename(path);
            lookup = FS.lookupPath(path, {
              follow: !dontResolveLastLink
            });
            ret.exists = true;
            ret.path = lookup.path;
            ret.object = lookup.node;
            ret.name = lookup.node.name;
            ret.isRoot = lookup.path === "/";
          } catch (e) {
            ret.error = e.errno;
          }

          return ret;
        },
        createPath: function createPath(parent, path, canRead, canWrite) {
          parent = typeof parent === "string" ? parent : FS.getPath(parent);
          var parts = path.split("/").reverse();

          while (parts.length) {
            var part = parts.pop();
            if (!part) continue;
            var current = PATH.join2(parent, part);

            try {
              FS.mkdir(current);
            } catch (e) {}

            parent = current;
          }

          return current;
        },
        createFile: function createFile(parent, name, properties, canRead, canWrite) {
          var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
          var mode = FS.getMode(canRead, canWrite);
          return FS.create(path, mode);
        },
        createDataFile: function createDataFile(parent, name, data, canRead, canWrite, canOwn) {
          var path = name ? PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name) : parent;
          var mode = FS.getMode(canRead, canWrite);
          var node = FS.create(path, mode);

          if (data) {
            if (typeof data === "string") {
              var arr = new Array(data.length);

              for (var i = 0, len = data.length; i < len; ++i) {
                arr[i] = data.charCodeAt(i);
              }

              data = arr;
            }

            FS.chmod(node, mode | 146);
            var stream = FS.open(node, 577);
            FS.write(stream, data, 0, data.length, 0, canOwn);
            FS.close(stream);
            FS.chmod(node, mode);
          }

          return node;
        },
        createDevice: function createDevice(parent, name, input, output) {
          var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
          var mode = FS.getMode(!!input, !!output);
          if (!FS.createDevice.major) FS.createDevice.major = 64;
          var dev = FS.makedev(FS.createDevice.major++, 0);
          FS.registerDevice(dev, {
            open: function open(stream) {
              stream.seekable = false;
            },
            close: function close(stream) {
              if (output && output.buffer && output.buffer.length) {
                output(10);
              }
            },
            read: function read(stream, buffer, offset, length, pos) {
              var bytesRead = 0;

              for (var i = 0; i < length; i++) {
                var result;

                try {
                  result = input();
                } catch (e) {
                  throw new FS.ErrnoError(29);
                }

                if (result === undefined && bytesRead === 0) {
                  throw new FS.ErrnoError(6);
                }

                if (result === null || result === undefined) break;
                bytesRead++;
                buffer[offset + i] = result;
              }

              if (bytesRead) {
                stream.node.timestamp = Date.now();
              }

              return bytesRead;
            },
            write: function write(stream, buffer, offset, length, pos) {
              for (var i = 0; i < length; i++) {
                try {
                  output(buffer[offset + i]);
                } catch (e) {
                  throw new FS.ErrnoError(29);
                }
              }

              if (length) {
                stream.node.timestamp = Date.now();
              }

              return i;
            }
          });
          return FS.mkdev(path, mode, dev);
        },
        forceLoadFile: function forceLoadFile(obj) {
          if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;

          if (typeof XMLHttpRequest !== "undefined") {
            throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
          } else if (read_) {
            try {
              obj.contents = intArrayFromString(read_(obj.url), true);
              obj.usedBytes = obj.contents.length;
            } catch (e) {
              throw new FS.ErrnoError(29);
            }
          } else {
            throw new Error("Cannot load without read() or XMLHttpRequest.");
          }
        },
        createLazyFile: function createLazyFile(parent, name, url, canRead, canWrite) {
          function LazyUint8Array() {
            this.lengthKnown = false;
            this.chunks = [];
          }

          LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
            if (idx > this.length - 1 || idx < 0) {
              return undefined;
            }

            var chunkOffset = idx % this.chunkSize;
            var chunkNum = idx / this.chunkSize | 0;
            return this.getter(chunkNum)[chunkOffset];
          };

          LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
            this.getter = getter;
          };

          LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
            var xhr = new XMLHttpRequest();
            xhr.open("HEAD", url, false);
            xhr.send(null);
            if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
            var datalength = Number(xhr.getResponseHeader("Content-length"));
            var header;
            var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
            var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
            var chunkSize = 1024 * 1024;
            if (!hasByteServing) chunkSize = datalength;

            var doXHR = function doXHR(from, to) {
              if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
              if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
              var xhr = new XMLHttpRequest();
              xhr.open("GET", url, false);
              if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
              if (typeof Uint8Array != "undefined") xhr.responseType = "arraybuffer";

              if (xhr.overrideMimeType) {
                xhr.overrideMimeType("text/plain; charset=x-user-defined");
              }

              xhr.send(null);
              if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);

              if (xhr.response !== undefined) {
                return new Uint8Array(xhr.response || []);
              } else {
                return intArrayFromString(xhr.responseText || "", true);
              }
            };

            var lazyArray = this;
            lazyArray.setDataGetter(function (chunkNum) {
              var start = chunkNum * chunkSize;
              var end = (chunkNum + 1) * chunkSize - 1;
              end = Math.min(end, datalength - 1);

              if (typeof lazyArray.chunks[chunkNum] === "undefined") {
                lazyArray.chunks[chunkNum] = doXHR(start, end);
              }

              if (typeof lazyArray.chunks[chunkNum] === "undefined") throw new Error("doXHR failed!");
              return lazyArray.chunks[chunkNum];
            });

            if (usesGzip || !datalength) {
              chunkSize = datalength = 1;
              datalength = this.getter(0).length;
              chunkSize = datalength;
              out("LazyFiles on gzip forces download of the whole file when length is accessed");
            }

            this._length = datalength;
            this._chunkSize = chunkSize;
            this.lengthKnown = true;
          };

          if (typeof XMLHttpRequest !== "undefined") {
            if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
            var lazyArray = new LazyUint8Array();
            Object.defineProperties(lazyArray, {
              length: {
                get: function get() {
                  if (!this.lengthKnown) {
                    this.cacheLength();
                  }

                  return this._length;
                }
              },
              chunkSize: {
                get: function get() {
                  if (!this.lengthKnown) {
                    this.cacheLength();
                  }

                  return this._chunkSize;
                }
              }
            });
            var properties = {
              isDevice: false,
              contents: lazyArray
            };
          } else {
            var properties = {
              isDevice: false,
              url: url
            };
          }

          var node = FS.createFile(parent, name, properties, canRead, canWrite);

          if (properties.contents) {
            node.contents = properties.contents;
          } else if (properties.url) {
            node.contents = null;
            node.url = properties.url;
          }

          Object.defineProperties(node, {
            usedBytes: {
              get: function get() {
                return this.contents.length;
              }
            }
          });
          var stream_ops = {};
          var keys = Object.keys(node.stream_ops);
          keys.forEach(function (key) {
            var fn = node.stream_ops[key];

            stream_ops[key] = function forceLoadLazyFile() {
              FS.forceLoadFile(node);
              return fn.apply(null, arguments);
            };
          });

          stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) {
            FS.forceLoadFile(node);
            var contents = stream.node.contents;
            if (position >= contents.length) return 0;
            var size = Math.min(contents.length - position, length);

            if (contents.slice) {
              for (var i = 0; i < size; i++) {
                buffer[offset + i] = contents[position + i];
              }
            } else {
              for (var i = 0; i < size; i++) {
                buffer[offset + i] = contents.get(position + i);
              }
            }

            return size;
          };

          node.stream_ops = stream_ops;
          return node;
        },
        createPreloadedFile: function createPreloadedFile(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) {
          Browser.init();
          var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
          var dep = getUniqueRunDependency("cp " + fullname);

          function processData(byteArray) {
            function finish(byteArray) {
              if (preFinish) preFinish();

              if (!dontCreateFile) {
                FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
              }

              if (onload) onload();
              removeRunDependency(dep);
            }

            var handled = false;
            Module["preloadPlugins"].forEach(function (plugin) {
              if (handled) return;

              if (plugin["canHandle"](fullname)) {
                plugin["handle"](byteArray, fullname, finish, function () {
                  if (onerror) onerror();
                  removeRunDependency(dep);
                });
                handled = true;
              }
            });
            if (!handled) finish(byteArray);
          }

          addRunDependency(dep);

          if (typeof url == "string") {
            Browser.asyncLoad(url, function (byteArray) {
              processData(byteArray);
            }, onerror);
          } else {
            processData(url);
          }
        },
        indexedDB: function indexedDB() {
          return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
        },
        DB_NAME: function DB_NAME() {
          return "EM_FS_" + window.location.pathname;
        },
        DB_VERSION: 20,
        DB_STORE_NAME: "FILE_DATA",
        saveFilesToDB: function saveFilesToDB(paths, onload, onerror) {
          onload = onload || function () {};

          onerror = onerror || function () {};

          var indexedDB = FS.indexedDB();

          try {
            var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
          } catch (e) {
            return onerror(e);
          }

          openRequest.onupgradeneeded = function openRequest_onupgradeneeded() {
            out("creating db");
            var db = openRequest.result;
            db.createObjectStore(FS.DB_STORE_NAME);
          };

          openRequest.onsuccess = function openRequest_onsuccess() {
            var db = openRequest.result;
            var transaction = db.transaction([FS.DB_STORE_NAME], "readwrite");
            var files = transaction.objectStore(FS.DB_STORE_NAME);
            var ok = 0,
                fail = 0,
                total = paths.length;

            function finish() {
              if (fail == 0) onload();else onerror();
            }

            paths.forEach(function (path) {
              var putRequest = files.put(FS.analyzePath(path).object.contents, path);

              putRequest.onsuccess = function putRequest_onsuccess() {
                ok++;
                if (ok + fail == total) finish();
              };

              putRequest.onerror = function putRequest_onerror() {
                fail++;
                if (ok + fail == total) finish();
              };
            });
            transaction.onerror = onerror;
          };

          openRequest.onerror = onerror;
        },
        loadFilesFromDB: function loadFilesFromDB(paths, onload, onerror) {
          onload = onload || function () {};

          onerror = onerror || function () {};

          var indexedDB = FS.indexedDB();

          try {
            var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
          } catch (e) {
            return onerror(e);
          }

          openRequest.onupgradeneeded = onerror;

          openRequest.onsuccess = function openRequest_onsuccess() {
            var db = openRequest.result;

            try {
              var transaction = db.transaction([FS.DB_STORE_NAME], "readonly");
            } catch (e) {
              onerror(e);
              return;
            }

            var files = transaction.objectStore(FS.DB_STORE_NAME);
            var ok = 0,
                fail = 0,
                total = paths.length;

            function finish() {
              if (fail == 0) onload();else onerror();
            }

            paths.forEach(function (path) {
              var getRequest = files.get(path);

              getRequest.onsuccess = function getRequest_onsuccess() {
                if (FS.analyzePath(path).exists) {
                  FS.unlink(path);
                }

                FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
                ok++;
                if (ok + fail == total) finish();
              };

              getRequest.onerror = function getRequest_onerror() {
                fail++;
                if (ok + fail == total) finish();
              };
            });
            transaction.onerror = onerror;
          };

          openRequest.onerror = onerror;
        }
      };
      var SYSCALLS = {
        mappings: {},
        DEFAULT_POLLMASK: 5,
        umask: 511,
        calculateAt: function calculateAt(dirfd, path) {
          if (path[0] !== "/") {
            var dir;

            if (dirfd === -100) {
              dir = FS.cwd();
            } else {
              var dirstream = FS.getStream(dirfd);
              if (!dirstream) throw new FS.ErrnoError(8);
              dir = dirstream.path;
            }

            path = PATH.join2(dir, path);
          }

          return path;
        },
        doStat: function doStat(func, path, buf) {
          try {
            var stat = func(path);
          } catch (e) {
            if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
              return -54;
            }

            throw e;
          }

          HEAP32[buf >> 2] = stat.dev;
          HEAP32[buf + 4 >> 2] = 0;
          HEAP32[buf + 8 >> 2] = stat.ino;
          HEAP32[buf + 12 >> 2] = stat.mode;
          HEAP32[buf + 16 >> 2] = stat.nlink;
          HEAP32[buf + 20 >> 2] = stat.uid;
          HEAP32[buf + 24 >> 2] = stat.gid;
          HEAP32[buf + 28 >> 2] = stat.rdev;
          HEAP32[buf + 32 >> 2] = 0;
          tempI64 = [stat.size >>> 0, (tempDouble = stat.size, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 40 >> 2] = tempI64[0], HEAP32[buf + 44 >> 2] = tempI64[1];
          HEAP32[buf + 48 >> 2] = 4096;
          HEAP32[buf + 52 >> 2] = stat.blocks;
          HEAP32[buf + 56 >> 2] = stat.atime.getTime() / 1e3 | 0;
          HEAP32[buf + 60 >> 2] = 0;
          HEAP32[buf + 64 >> 2] = stat.mtime.getTime() / 1e3 | 0;
          HEAP32[buf + 68 >> 2] = 0;
          HEAP32[buf + 72 >> 2] = stat.ctime.getTime() / 1e3 | 0;
          HEAP32[buf + 76 >> 2] = 0;
          tempI64 = [stat.ino >>> 0, (tempDouble = stat.ino, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 80 >> 2] = tempI64[0], HEAP32[buf + 84 >> 2] = tempI64[1];
          return 0;
        },
        doMsync: function doMsync(addr, stream, len, flags, offset) {
          var buffer = HEAPU8.slice(addr, addr + len);
          FS.msync(stream, buffer, offset, len, flags);
        },
        doMkdir: function doMkdir(path, mode) {
          path = PATH.normalize(path);
          if (path[path.length - 1] === "/") path = path.substr(0, path.length - 1);
          FS.mkdir(path, mode, 0);
          return 0;
        },
        doMknod: function doMknod(path, mode, dev) {
          switch (mode & 61440) {
            case 32768:
            case 8192:
            case 24576:
            case 4096:
            case 49152:
              break;

            default:
              return -28;
          }

          FS.mknod(path, mode, dev);
          return 0;
        },
        doReadlink: function doReadlink(path, buf, bufsize) {
          if (bufsize <= 0) return -28;
          var ret = FS.readlink(path);
          var len = Math.min(bufsize, lengthBytesUTF8(ret));
          var endChar = HEAP8[buf + len];
          stringToUTF8(ret, buf, bufsize + 1);
          HEAP8[buf + len] = endChar;
          return len;
        },
        doAccess: function doAccess(path, amode) {
          if (amode & ~7) {
            return -28;
          }

          var node;
          var lookup = FS.lookupPath(path, {
            follow: true
          });
          node = lookup.node;

          if (!node) {
            return -44;
          }

          var perms = "";
          if (amode & 4) perms += "r";
          if (amode & 2) perms += "w";
          if (amode & 1) perms += "x";

          if (perms && FS.nodePermissions(node, perms)) {
            return -2;
          }

          return 0;
        },
        doDup: function doDup(path, flags, suggestFD) {
          var suggest = FS.getStream(suggestFD);
          if (suggest) FS.close(suggest);
          return FS.open(path, flags, 0, suggestFD, suggestFD).fd;
        },
        doReadv: function doReadv(stream, iov, iovcnt, offset) {
          var ret = 0;

          for (var i = 0; i < iovcnt; i++) {
            var ptr = HEAP32[iov + i * 8 >> 2];
            var len = HEAP32[iov + (i * 8 + 4) >> 2];
            var curr = FS.read(stream, HEAP8, ptr, len, offset);
            if (curr < 0) return -1;
            ret += curr;
            if (curr < len) break;
          }

          return ret;
        },
        doWritev: function doWritev(stream, iov, iovcnt, offset) {
          var ret = 0;

          for (var i = 0; i < iovcnt; i++) {
            var ptr = HEAP32[iov + i * 8 >> 2];
            var len = HEAP32[iov + (i * 8 + 4) >> 2];
            var curr = FS.write(stream, HEAP8, ptr, len, offset);
            if (curr < 0) return -1;
            ret += curr;
          }

          return ret;
        },
        varargs: undefined,
        get: function get() {
          SYSCALLS.varargs += 4;
          var ret = HEAP32[SYSCALLS.varargs - 4 >> 2];
          return ret;
        },
        getStr: function getStr(ptr) {
          var ret = UTF8ToString(ptr);
          return ret;
        },
        getStreamFromFD: function getStreamFromFD(fd) {
          var stream = FS.getStream(fd);
          if (!stream) throw new FS.ErrnoError(8);
          return stream;
        },
        get64: function get64(low, high) {
          return low;
        }
      };

      function ___sys_fcntl64(fd, cmd, varargs) {
        SYSCALLS.varargs = varargs;

        try {
          var stream = SYSCALLS.getStreamFromFD(fd);

          switch (cmd) {
            case 0:
              {
                var arg = SYSCALLS.get();

                if (arg < 0) {
                  return -28;
                }

                var newStream;
                newStream = FS.open(stream.path, stream.flags, 0, arg);
                return newStream.fd;
              }

            case 1:
            case 2:
              return 0;

            case 3:
              return stream.flags;

            case 4:
              {
                var arg = SYSCALLS.get();
                stream.flags |= arg;
                return 0;
              }

            case 12:
              {
                var arg = SYSCALLS.get();
                var offset = 0;
                HEAP16[arg + offset >> 1] = 2;
                return 0;
              }

            case 13:
            case 14:
              return 0;

            case 16:
            case 8:
              return -28;

            case 9:
              setErrNo(28);
              return -1;

            default:
              {
                return -28;
              }
          }
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return -e.errno;
        }
      }

      function ___sys_fstat64(fd, buf) {
        try {
          var stream = SYSCALLS.getStreamFromFD(fd);
          return SYSCALLS.doStat(FS.stat, stream.path, buf);
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return -e.errno;
        }
      }

      function ___sys_ioctl(fd, op, varargs) {
        SYSCALLS.varargs = varargs;

        try {
          var stream = SYSCALLS.getStreamFromFD(fd);

          switch (op) {
            case 21509:
            case 21505:
              {
                if (!stream.tty) return -59;
                return 0;
              }

            case 21510:
            case 21511:
            case 21512:
            case 21506:
            case 21507:
            case 21508:
              {
                if (!stream.tty) return -59;
                return 0;
              }

            case 21519:
              {
                if (!stream.tty) return -59;
                var argp = SYSCALLS.get();
                HEAP32[argp >> 2] = 0;
                return 0;
              }

            case 21520:
              {
                if (!stream.tty) return -59;
                return -28;
              }

            case 21531:
              {
                var argp = SYSCALLS.get();
                return FS.ioctl(stream, op, argp);
              }

            case 21523:
              {
                if (!stream.tty) return -59;
                return 0;
              }

            case 21524:
              {
                if (!stream.tty) return -59;
                return 0;
              }

            default:
              abort("bad ioctl syscall " + op);
          }
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return -e.errno;
        }
      }

      function ___sys_open(path, flags, varargs) {
        SYSCALLS.varargs = varargs;

        try {
          var pathname = SYSCALLS.getStr(path);
          var mode = SYSCALLS.get();
          var stream = FS.open(pathname, flags, mode);
          return stream.fd;
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return -e.errno;
        }
      }

      function ___sys_stat64(path, buf) {
        try {
          path = SYSCALLS.getStr(path);
          return SYSCALLS.doStat(FS.stat, path, buf);
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return -e.errno;
        }
      }

      var tupleRegistrations = {};

      function runDestructors(destructors) {
        while (destructors.length) {
          var ptr = destructors.pop();
          var del = destructors.pop();
          del(ptr);
        }
      }

      function simpleReadValueFromPointer(pointer) {
        return this["fromWireType"](HEAPU32[pointer >> 2]);
      }

      var awaitingDependencies = {};
      var registeredTypes = {};
      var typeDependencies = {};
      var char_0 = 48;
      var char_9 = 57;

      function makeLegalFunctionName(name) {
        if (undefined === name) {
          return "_unknown";
        }

        name = name.replace(/[^a-zA-Z0-9_]/g, "$");
        var f = name.charCodeAt(0);

        if (f >= char_0 && f <= char_9) {
          return "_" + name;
        } else {
          return name;
        }
      }

      function createNamedFunction(name, body) {
        name = makeLegalFunctionName(name);
        return new Function("body", "return function " + name + "() {\n" + '    "use strict";' + "    return body.apply(this, arguments);\n" + "};\n")(body);
      }

      function extendError(baseErrorType, errorName) {
        var errorClass = createNamedFunction(errorName, function (message) {
          this.name = errorName;
          this.message = message;
          var stack = new Error(message).stack;

          if (stack !== undefined) {
            this.stack = this.toString() + "\n" + stack.replace(/^Error(:[^\n]*)?\n/, "");
          }
        });
        errorClass.prototype = Object.create(baseErrorType.prototype);
        errorClass.prototype.constructor = errorClass;

        errorClass.prototype.toString = function () {
          if (this.message === undefined) {
            return this.name;
          } else {
            return this.name + ": " + this.message;
          }
        };

        return errorClass;
      }

      var InternalError = undefined;

      function throwInternalError(message) {
        throw new InternalError(message);
      }

      function whenDependentTypesAreResolved(myTypes, dependentTypes, getTypeConverters) {
        myTypes.forEach(function (type) {
          typeDependencies[type] = dependentTypes;
        });

        function onComplete(typeConverters) {
          var myTypeConverters = getTypeConverters(typeConverters);

          if (myTypeConverters.length !== myTypes.length) {
            throwInternalError("Mismatched type converter count");
          }

          for (var i = 0; i < myTypes.length; ++i) {
            registerType(myTypes[i], myTypeConverters[i]);
          }
        }

        var typeConverters = new Array(dependentTypes.length);
        var unregisteredTypes = [];
        var registered = 0;
        dependentTypes.forEach(function (dt, i) {
          if (registeredTypes.hasOwnProperty(dt)) {
            typeConverters[i] = registeredTypes[dt];
          } else {
            unregisteredTypes.push(dt);

            if (!awaitingDependencies.hasOwnProperty(dt)) {
              awaitingDependencies[dt] = [];
            }

            awaitingDependencies[dt].push(function () {
              typeConverters[i] = registeredTypes[dt];
              ++registered;

              if (registered === unregisteredTypes.length) {
                onComplete(typeConverters);
              }
            });
          }
        });

        if (0 === unregisteredTypes.length) {
          onComplete(typeConverters);
        }
      }

      function __embind_finalize_value_array(rawTupleType) {
        var reg = tupleRegistrations[rawTupleType];
        delete tupleRegistrations[rawTupleType];
        var elements = reg.elements;
        var elementsLength = elements.length;
        var elementTypes = elements.map(function (elt) {
          return elt.getterReturnType;
        }).concat(elements.map(function (elt) {
          return elt.setterArgumentType;
        }));
        var rawConstructor = reg.rawConstructor;
        var rawDestructor = reg.rawDestructor;
        whenDependentTypesAreResolved([rawTupleType], elementTypes, function (elementTypes) {
          elements.forEach(function (elt, i) {
            var getterReturnType = elementTypes[i];
            var getter = elt.getter;
            var getterContext = elt.getterContext;
            var setterArgumentType = elementTypes[i + elementsLength];
            var setter = elt.setter;
            var setterContext = elt.setterContext;

            elt.read = function (ptr) {
              return getterReturnType["fromWireType"](getter(getterContext, ptr));
            };

            elt.write = function (ptr, o) {
              var destructors = [];
              setter(setterContext, ptr, setterArgumentType["toWireType"](destructors, o));
              runDestructors(destructors);
            };
          });
          return [{
            name: reg.name,
            "fromWireType": function fromWireType(ptr) {
              var rv = new Array(elementsLength);

              for (var i = 0; i < elementsLength; ++i) {
                rv[i] = elements[i].read(ptr);
              }

              rawDestructor(ptr);
              return rv;
            },
            "toWireType": function toWireType(destructors, o) {
              if (elementsLength !== o.length) {
                throw new TypeError("Incorrect number of tuple elements for " + reg.name + ": expected=" + elementsLength + ", actual=" + o.length);
              }

              var ptr = rawConstructor();

              for (var i = 0; i < elementsLength; ++i) {
                elements[i].write(ptr, o[i]);
              }

              if (destructors !== null) {
                destructors.push(rawDestructor, ptr);
              }

              return ptr;
            },
            "argPackAdvance": 8,
            "readValueFromPointer": simpleReadValueFromPointer,
            destructorFunction: rawDestructor
          }];
        });
      }

      var structRegistrations = {};

      function __embind_finalize_value_object(structType) {
        var reg = structRegistrations[structType];
        delete structRegistrations[structType];
        var rawConstructor = reg.rawConstructor;
        var rawDestructor = reg.rawDestructor;
        var fieldRecords = reg.fields;
        var fieldTypes = fieldRecords.map(function (field) {
          return field.getterReturnType;
        }).concat(fieldRecords.map(function (field) {
          return field.setterArgumentType;
        }));
        whenDependentTypesAreResolved([structType], fieldTypes, function (fieldTypes) {
          var fields = {};
          fieldRecords.forEach(function (field, i) {
            var fieldName = field.fieldName;
            var getterReturnType = fieldTypes[i];
            var getter = field.getter;
            var getterContext = field.getterContext;
            var setterArgumentType = fieldTypes[i + fieldRecords.length];
            var setter = field.setter;
            var setterContext = field.setterContext;
            fields[fieldName] = {
              read: function read(ptr) {
                return getterReturnType["fromWireType"](getter(getterContext, ptr));
              },
              write: function write(ptr, o) {
                var destructors = [];
                setter(setterContext, ptr, setterArgumentType["toWireType"](destructors, o));
                runDestructors(destructors);
              }
            };
          });
          return [{
            name: reg.name,
            "fromWireType": function fromWireType(ptr) {
              var rv = {};

              for (var i in fields) {
                rv[i] = fields[i].read(ptr);
              }

              rawDestructor(ptr);
              return rv;
            },
            "toWireType": function toWireType(destructors, o) {
              for (var fieldName in fields) {
                if (!(fieldName in o)) {
                  throw new TypeError('Missing field:  "' + fieldName + '"');
                }
              }

              var ptr = rawConstructor();

              for (fieldName in fields) {
                fields[fieldName].write(ptr, o[fieldName]);
              }

              if (destructors !== null) {
                destructors.push(rawDestructor, ptr);
              }

              return ptr;
            },
            "argPackAdvance": 8,
            "readValueFromPointer": simpleReadValueFromPointer,
            destructorFunction: rawDestructor
          }];
        });
      }

      function getShiftFromSize(size) {
        switch (size) {
          case 1:
            return 0;

          case 2:
            return 1;

          case 4:
            return 2;

          case 8:
            return 3;

          default:
            throw new TypeError("Unknown type size: " + size);
        }
      }

      function embind_init_charCodes() {
        var codes = new Array(256);

        for (var i = 0; i < 256; ++i) {
          codes[i] = String.fromCharCode(i);
        }

        embind_charCodes = codes;
      }

      var embind_charCodes = undefined;

      function readLatin1String(ptr) {
        var ret = "";
        var c = ptr;

        while (HEAPU8[c]) {
          ret += embind_charCodes[HEAPU8[c++]];
        }

        return ret;
      }

      var BindingError = undefined;

      function throwBindingError(message) {
        throw new BindingError(message);
      }

      function registerType(rawType, registeredInstance, options) {
        options = options || {};

        if (!("argPackAdvance" in registeredInstance)) {
          throw new TypeError("registerType registeredInstance requires argPackAdvance");
        }

        var name = registeredInstance.name;

        if (!rawType) {
          throwBindingError('type "' + name + '" must have a positive integer typeid pointer');
        }

        if (registeredTypes.hasOwnProperty(rawType)) {
          if (options.ignoreDuplicateRegistrations) {
            return;
          } else {
            throwBindingError("Cannot register type '" + name + "' twice");
          }
        }

        registeredTypes[rawType] = registeredInstance;
        delete typeDependencies[rawType];

        if (awaitingDependencies.hasOwnProperty(rawType)) {
          var callbacks = awaitingDependencies[rawType];
          delete awaitingDependencies[rawType];
          callbacks.forEach(function (cb) {
            cb();
          });
        }
      }

      function __embind_register_bool(rawType, name, size, trueValue, falseValue) {
        var shift = getShiftFromSize(size);
        name = readLatin1String(name);
        registerType(rawType, {
          name: name,
          "fromWireType": function fromWireType(wt) {
            return !!wt;
          },
          "toWireType": function toWireType(destructors, o) {
            return o ? trueValue : falseValue;
          },
          "argPackAdvance": 8,
          "readValueFromPointer": function readValueFromPointer(pointer) {
            var heap;

            if (size === 1) {
              heap = HEAP8;
            } else if (size === 2) {
              heap = HEAP16;
            } else if (size === 4) {
              heap = HEAP32;
            } else {
              throw new TypeError("Unknown boolean type size: " + name);
            }

            return this["fromWireType"](heap[pointer >> shift]);
          },
          destructorFunction: null
        });
      }

      function ClassHandle_isAliasOf(other) {
        if (!(this instanceof ClassHandle)) {
          return false;
        }

        if (!(other instanceof ClassHandle)) {
          return false;
        }

        var leftClass = this.$$.ptrType.registeredClass;
        var left = this.$$.ptr;
        var rightClass = other.$$.ptrType.registeredClass;
        var right = other.$$.ptr;

        while (leftClass.baseClass) {
          left = leftClass.upcast(left);
          leftClass = leftClass.baseClass;
        }

        while (rightClass.baseClass) {
          right = rightClass.upcast(right);
          rightClass = rightClass.baseClass;
        }

        return leftClass === rightClass && left === right;
      }

      function shallowCopyInternalPointer(o) {
        return {
          count: o.count,
          deleteScheduled: o.deleteScheduled,
          preservePointerOnDelete: o.preservePointerOnDelete,
          ptr: o.ptr,
          ptrType: o.ptrType,
          smartPtr: o.smartPtr,
          smartPtrType: o.smartPtrType
        };
      }

      function throwInstanceAlreadyDeleted(obj) {
        function getInstanceTypeName(handle) {
          return handle.$$.ptrType.registeredClass.name;
        }

        throwBindingError(getInstanceTypeName(obj) + " instance already deleted");
      }

      var finalizationGroup = false;

      function detachFinalizer(handle) {}

      function runDestructor($$) {
        if ($$.smartPtr) {
          $$.smartPtrType.rawDestructor($$.smartPtr);
        } else {
          $$.ptrType.registeredClass.rawDestructor($$.ptr);
        }
      }

      function releaseClassHandle($$) {
        $$.count.value -= 1;
        var toDelete = 0 === $$.count.value;

        if (toDelete) {
          runDestructor($$);
        }
      }

      function attachFinalizer(handle) {
        if ("undefined" === typeof FinalizationGroup) {
          attachFinalizer = function attachFinalizer(handle) {
            return handle;
          };

          return handle;
        }

        finalizationGroup = new FinalizationGroup(function (iter) {
          for (var result = iter.next(); !result.done; result = iter.next()) {
            var $$ = result.value;

            if (!$$.ptr) {
              console.warn("object already deleted: " + $$.ptr);
            } else {
              releaseClassHandle($$);
            }
          }
        });

        attachFinalizer = function attachFinalizer(handle) {
          finalizationGroup.register(handle, handle.$$, handle.$$);
          return handle;
        };

        detachFinalizer = function detachFinalizer(handle) {
          finalizationGroup.unregister(handle.$$);
        };

        return attachFinalizer(handle);
      }

      function ClassHandle_clone() {
        if (!this.$$.ptr) {
          throwInstanceAlreadyDeleted(this);
        }

        if (this.$$.preservePointerOnDelete) {
          this.$$.count.value += 1;
          return this;
        } else {
          var clone = attachFinalizer(Object.create(Object.getPrototypeOf(this), {
            $$: {
              value: shallowCopyInternalPointer(this.$$)
            }
          }));
          clone.$$.count.value += 1;
          clone.$$.deleteScheduled = false;
          return clone;
        }
      }

      function ClassHandle_delete() {
        if (!this.$$.ptr) {
          throwInstanceAlreadyDeleted(this);
        }

        if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) {
          throwBindingError("Object already scheduled for deletion");
        }

        detachFinalizer(this);
        releaseClassHandle(this.$$);

        if (!this.$$.preservePointerOnDelete) {
          this.$$.smartPtr = undefined;
          this.$$.ptr = undefined;
        }
      }

      function ClassHandle_isDeleted() {
        return !this.$$.ptr;
      }

      var delayFunction = undefined;
      var deletionQueue = [];

      function flushPendingDeletes() {
        while (deletionQueue.length) {
          var obj = deletionQueue.pop();
          obj.$$.deleteScheduled = false;
          obj["delete"]();
        }
      }

      function ClassHandle_deleteLater() {
        if (!this.$$.ptr) {
          throwInstanceAlreadyDeleted(this);
        }

        if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) {
          throwBindingError("Object already scheduled for deletion");
        }

        deletionQueue.push(this);

        if (deletionQueue.length === 1 && delayFunction) {
          delayFunction(flushPendingDeletes);
        }

        this.$$.deleteScheduled = true;
        return this;
      }

      function init_ClassHandle() {
        ClassHandle.prototype["isAliasOf"] = ClassHandle_isAliasOf;
        ClassHandle.prototype["clone"] = ClassHandle_clone;
        ClassHandle.prototype["delete"] = ClassHandle_delete;
        ClassHandle.prototype["isDeleted"] = ClassHandle_isDeleted;
        ClassHandle.prototype["deleteLater"] = ClassHandle_deleteLater;
      }

      function ClassHandle() {}

      var registeredPointers = {};

      function ensureOverloadTable(proto, methodName, humanName) {
        if (undefined === proto[methodName].overloadTable) {
          var prevFunc = proto[methodName];

          proto[methodName] = function () {
            if (!proto[methodName].overloadTable.hasOwnProperty(arguments.length)) {
              throwBindingError("Function '" + humanName + "' called with an invalid number of arguments (" + arguments.length + ") - expects one of (" + proto[methodName].overloadTable + ")!");
            }

            return proto[methodName].overloadTable[arguments.length].apply(this, arguments);
          };

          proto[methodName].overloadTable = [];
          proto[methodName].overloadTable[prevFunc.argCount] = prevFunc;
        }
      }

      function exposePublicSymbol(name, value, numArguments) {
        if (Module.hasOwnProperty(name)) {
          if (undefined === numArguments || undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments]) {
            throwBindingError("Cannot register public name '" + name + "' twice");
          }

          ensureOverloadTable(Module, name, name);

          if (Module.hasOwnProperty(numArguments)) {
            throwBindingError("Cannot register multiple overloads of a function with the same number of arguments (" + numArguments + ")!");
          }

          Module[name].overloadTable[numArguments] = value;
        } else {
          Module[name] = value;

          if (undefined !== numArguments) {
            Module[name].numArguments = numArguments;
          }
        }
      }

      function RegisteredClass(name, constructor, instancePrototype, rawDestructor, baseClass, getActualType, upcast, downcast) {
        this.name = name;
        this.constructor = constructor;
        this.instancePrototype = instancePrototype;
        this.rawDestructor = rawDestructor;
        this.baseClass = baseClass;
        this.getActualType = getActualType;
        this.upcast = upcast;
        this.downcast = downcast;
        this.pureVirtualFunctions = [];
      }

      function upcastPointer(ptr, ptrClass, desiredClass) {
        while (ptrClass !== desiredClass) {
          if (!ptrClass.upcast) {
            throwBindingError("Expected null or instance of " + desiredClass.name + ", got an instance of " + ptrClass.name);
          }

          ptr = ptrClass.upcast(ptr);
          ptrClass = ptrClass.baseClass;
        }

        return ptr;
      }

      function constNoSmartPtrRawPointerToWireType(destructors, handle) {
        if (handle === null) {
          if (this.isReference) {
            throwBindingError("null is not a valid " + this.name);
          }

          return 0;
        }

        if (!handle.$$) {
          throwBindingError('Cannot pass "' + _embind_repr(handle) + '" as a ' + this.name);
        }

        if (!handle.$$.ptr) {
          throwBindingError("Cannot pass deleted object as a pointer of type " + this.name);
        }

        var handleClass = handle.$$.ptrType.registeredClass;
        var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
        return ptr;
      }

      function genericPointerToWireType(destructors, handle) {
        var ptr;

        if (handle === null) {
          if (this.isReference) {
            throwBindingError("null is not a valid " + this.name);
          }

          if (this.isSmartPointer) {
            ptr = this.rawConstructor();

            if (destructors !== null) {
              destructors.push(this.rawDestructor, ptr);
            }

            return ptr;
          } else {
            return 0;
          }
        }

        if (!handle.$$) {
          throwBindingError('Cannot pass "' + _embind_repr(handle) + '" as a ' + this.name);
        }

        if (!handle.$$.ptr) {
          throwBindingError("Cannot pass deleted object as a pointer of type " + this.name);
        }

        if (!this.isConst && handle.$$.ptrType.isConst) {
          throwBindingError("Cannot convert argument of type " + (handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name) + " to parameter type " + this.name);
        }

        var handleClass = handle.$$.ptrType.registeredClass;
        ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);

        if (this.isSmartPointer) {
          if (undefined === handle.$$.smartPtr) {
            throwBindingError("Passing raw pointer to smart pointer is illegal");
          }

          switch (this.sharingPolicy) {
            case 0:
              if (handle.$$.smartPtrType === this) {
                ptr = handle.$$.smartPtr;
              } else {
                throwBindingError("Cannot convert argument of type " + (handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name) + " to parameter type " + this.name);
              }

              break;

            case 1:
              ptr = handle.$$.smartPtr;
              break;

            case 2:
              if (handle.$$.smartPtrType === this) {
                ptr = handle.$$.smartPtr;
              } else {
                var clonedHandle = handle["clone"]();
                ptr = this.rawShare(ptr, __emval_register(function () {
                  clonedHandle["delete"]();
                }));

                if (destructors !== null) {
                  destructors.push(this.rawDestructor, ptr);
                }
              }

              break;

            default:
              throwBindingError("Unsupporting sharing policy");
          }
        }

        return ptr;
      }

      function nonConstNoSmartPtrRawPointerToWireType(destructors, handle) {
        if (handle === null) {
          if (this.isReference) {
            throwBindingError("null is not a valid " + this.name);
          }

          return 0;
        }

        if (!handle.$$) {
          throwBindingError('Cannot pass "' + _embind_repr(handle) + '" as a ' + this.name);
        }

        if (!handle.$$.ptr) {
          throwBindingError("Cannot pass deleted object as a pointer of type " + this.name);
        }

        if (handle.$$.ptrType.isConst) {
          throwBindingError("Cannot convert argument of type " + handle.$$.ptrType.name + " to parameter type " + this.name);
        }

        var handleClass = handle.$$.ptrType.registeredClass;
        var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
        return ptr;
      }

      function RegisteredPointer_getPointee(ptr) {
        if (this.rawGetPointee) {
          ptr = this.rawGetPointee(ptr);
        }

        return ptr;
      }

      function RegisteredPointer_destructor(ptr) {
        if (this.rawDestructor) {
          this.rawDestructor(ptr);
        }
      }

      function RegisteredPointer_deleteObject(handle) {
        if (handle !== null) {
          handle["delete"]();
        }
      }

      function downcastPointer(ptr, ptrClass, desiredClass) {
        if (ptrClass === desiredClass) {
          return ptr;
        }

        if (undefined === desiredClass.baseClass) {
          return null;
        }

        var rv = downcastPointer(ptr, ptrClass, desiredClass.baseClass);

        if (rv === null) {
          return null;
        }

        return desiredClass.downcast(rv);
      }

      function getInheritedInstanceCount() {
        return Object.keys(registeredInstances).length;
      }

      function getLiveInheritedInstances() {
        var rv = [];

        for (var k in registeredInstances) {
          if (registeredInstances.hasOwnProperty(k)) {
            rv.push(registeredInstances[k]);
          }
        }

        return rv;
      }

      function setDelayFunction(fn) {
        delayFunction = fn;

        if (deletionQueue.length && delayFunction) {
          delayFunction(flushPendingDeletes);
        }
      }

      function init_embind() {
        Module["getInheritedInstanceCount"] = getInheritedInstanceCount;
        Module["getLiveInheritedInstances"] = getLiveInheritedInstances;
        Module["flushPendingDeletes"] = flushPendingDeletes;
        Module["setDelayFunction"] = setDelayFunction;
      }

      var registeredInstances = {};

      function getBasestPointer(class_, ptr) {
        if (ptr === undefined) {
          throwBindingError("ptr should not be undefined");
        }

        while (class_.baseClass) {
          ptr = class_.upcast(ptr);
          class_ = class_.baseClass;
        }

        return ptr;
      }

      function getInheritedInstance(class_, ptr) {
        ptr = getBasestPointer(class_, ptr);
        return registeredInstances[ptr];
      }

      function makeClassHandle(prototype, record) {
        if (!record.ptrType || !record.ptr) {
          throwInternalError("makeClassHandle requires ptr and ptrType");
        }

        var hasSmartPtrType = !!record.smartPtrType;
        var hasSmartPtr = !!record.smartPtr;

        if (hasSmartPtrType !== hasSmartPtr) {
          throwInternalError("Both smartPtrType and smartPtr must be specified");
        }

        record.count = {
          value: 1
        };
        return attachFinalizer(Object.create(prototype, {
          $$: {
            value: record
          }
        }));
      }

      function RegisteredPointer_fromWireType(ptr) {
        var rawPointer = this.getPointee(ptr);

        if (!rawPointer) {
          this.destructor(ptr);
          return null;
        }

        var registeredInstance = getInheritedInstance(this.registeredClass, rawPointer);

        if (undefined !== registeredInstance) {
          if (0 === registeredInstance.$$.count.value) {
            registeredInstance.$$.ptr = rawPointer;
            registeredInstance.$$.smartPtr = ptr;
            return registeredInstance["clone"]();
          } else {
            var rv = registeredInstance["clone"]();
            this.destructor(ptr);
            return rv;
          }
        }

        function makeDefaultHandle() {
          if (this.isSmartPointer) {
            return makeClassHandle(this.registeredClass.instancePrototype, {
              ptrType: this.pointeeType,
              ptr: rawPointer,
              smartPtrType: this,
              smartPtr: ptr
            });
          } else {
            return makeClassHandle(this.registeredClass.instancePrototype, {
              ptrType: this,
              ptr: ptr
            });
          }
        }

        var actualType = this.registeredClass.getActualType(rawPointer);
        var registeredPointerRecord = registeredPointers[actualType];

        if (!registeredPointerRecord) {
          return makeDefaultHandle.call(this);
        }

        var toType;

        if (this.isConst) {
          toType = registeredPointerRecord.constPointerType;
        } else {
          toType = registeredPointerRecord.pointerType;
        }

        var dp = downcastPointer(rawPointer, this.registeredClass, toType.registeredClass);

        if (dp === null) {
          return makeDefaultHandle.call(this);
        }

        if (this.isSmartPointer) {
          return makeClassHandle(toType.registeredClass.instancePrototype, {
            ptrType: toType,
            ptr: dp,
            smartPtrType: this,
            smartPtr: ptr
          });
        } else {
          return makeClassHandle(toType.registeredClass.instancePrototype, {
            ptrType: toType,
            ptr: dp
          });
        }
      }

      function init_RegisteredPointer() {
        RegisteredPointer.prototype.getPointee = RegisteredPointer_getPointee;
        RegisteredPointer.prototype.destructor = RegisteredPointer_destructor;
        RegisteredPointer.prototype["argPackAdvance"] = 8;
        RegisteredPointer.prototype["readValueFromPointer"] = simpleReadValueFromPointer;
        RegisteredPointer.prototype["deleteObject"] = RegisteredPointer_deleteObject;
        RegisteredPointer.prototype["fromWireType"] = RegisteredPointer_fromWireType;
      }

      function RegisteredPointer(name, registeredClass, isReference, isConst, isSmartPointer, pointeeType, sharingPolicy, rawGetPointee, rawConstructor, rawShare, rawDestructor) {
        this.name = name;
        this.registeredClass = registeredClass;
        this.isReference = isReference;
        this.isConst = isConst;
        this.isSmartPointer = isSmartPointer;
        this.pointeeType = pointeeType;
        this.sharingPolicy = sharingPolicy;
        this.rawGetPointee = rawGetPointee;
        this.rawConstructor = rawConstructor;
        this.rawShare = rawShare;
        this.rawDestructor = rawDestructor;

        if (!isSmartPointer && registeredClass.baseClass === undefined) {
          if (isConst) {
            this["toWireType"] = constNoSmartPtrRawPointerToWireType;
            this.destructorFunction = null;
          } else {
            this["toWireType"] = nonConstNoSmartPtrRawPointerToWireType;
            this.destructorFunction = null;
          }
        } else {
          this["toWireType"] = genericPointerToWireType;
        }
      }

      function replacePublicSymbol(name, value, numArguments) {
        if (!Module.hasOwnProperty(name)) {
          throwInternalError("Replacing nonexistant public symbol");
        }

        if (undefined !== Module[name].overloadTable && undefined !== numArguments) {
          Module[name].overloadTable[numArguments] = value;
        } else {
          Module[name] = value;
          Module[name].argCount = numArguments;
        }
      }

      function dynCallLegacy(sig, ptr, args) {
        if (args && args.length) {
          return Module["dynCall_" + sig].apply(null, [ptr].concat(args));
        }

        return Module["dynCall_" + sig].call(null, ptr);
      }

      function dynCall(sig, ptr, args) {
        if (sig.indexOf("j") != -1) {
          return dynCallLegacy(sig, ptr, args);
        }

        return wasmTable.get(ptr).apply(null, args);
      }

      function getDynCaller(sig, ptr) {
        assert(sig.indexOf("j") >= 0, "getDynCaller should only be called with i64 sigs");
        var argCache = [];
        return function () {
          argCache.length = arguments.length;

          for (var i = 0; i < arguments.length; i++) {
            argCache[i] = arguments[i];
          }

          return dynCall(sig, ptr, argCache);
        };
      }

      function embind__requireFunction(signature, rawFunction) {
        signature = readLatin1String(signature);

        function makeDynCaller() {
          if (signature.indexOf("j") != -1) {
            return getDynCaller(signature, rawFunction);
          }

          return wasmTable.get(rawFunction);
        }

        var fp = makeDynCaller();

        if (typeof fp !== "function") {
          throwBindingError("unknown function pointer with signature " + signature + ": " + rawFunction);
        }

        return fp;
      }

      var UnboundTypeError = undefined;

      function getTypeName(type) {
        var ptr = ___getTypeName(type);

        var rv = readLatin1String(ptr);

        _free(ptr);

        return rv;
      }

      function throwUnboundTypeError(message, types) {
        var unboundTypes = [];
        var seen = {};

        function visit(type) {
          if (seen[type]) {
            return;
          }

          if (registeredTypes[type]) {
            return;
          }

          if (typeDependencies[type]) {
            typeDependencies[type].forEach(visit);
            return;
          }

          unboundTypes.push(type);
          seen[type] = true;
        }

        types.forEach(visit);
        throw new UnboundTypeError(message + ": " + unboundTypes.map(getTypeName).join([", "]));
      }

      function __embind_register_class(rawType, rawPointerType, rawConstPointerType, baseClassRawType, getActualTypeSignature, getActualType, upcastSignature, upcast, downcastSignature, downcast, name, destructorSignature, rawDestructor) {
        name = readLatin1String(name);
        getActualType = embind__requireFunction(getActualTypeSignature, getActualType);

        if (upcast) {
          upcast = embind__requireFunction(upcastSignature, upcast);
        }

        if (downcast) {
          downcast = embind__requireFunction(downcastSignature, downcast);
        }

        rawDestructor = embind__requireFunction(destructorSignature, rawDestructor);
        var legalFunctionName = makeLegalFunctionName(name);
        exposePublicSymbol(legalFunctionName, function () {
          throwUnboundTypeError("Cannot construct " + name + " due to unbound types", [baseClassRawType]);
        });
        whenDependentTypesAreResolved([rawType, rawPointerType, rawConstPointerType], baseClassRawType ? [baseClassRawType] : [], function (base) {
          base = base[0];
          var baseClass;
          var basePrototype;

          if (baseClassRawType) {
            baseClass = base.registeredClass;
            basePrototype = baseClass.instancePrototype;
          } else {
            basePrototype = ClassHandle.prototype;
          }

          var constructor = createNamedFunction(legalFunctionName, function () {
            if (Object.getPrototypeOf(this) !== instancePrototype) {
              throw new BindingError("Use 'new' to construct " + name);
            }

            if (undefined === registeredClass.constructor_body) {
              throw new BindingError(name + " has no accessible constructor");
            }

            var body = registeredClass.constructor_body[arguments.length];

            if (undefined === body) {
              throw new BindingError("Tried to invoke ctor of " + name + " with invalid number of parameters (" + arguments.length + ") - expected (" + Object.keys(registeredClass.constructor_body).toString() + ") parameters instead!");
            }

            return body.apply(this, arguments);
          });
          var instancePrototype = Object.create(basePrototype, {
            constructor: {
              value: constructor
            }
          });
          constructor.prototype = instancePrototype;
          var registeredClass = new RegisteredClass(name, constructor, instancePrototype, rawDestructor, baseClass, getActualType, upcast, downcast);
          var referenceConverter = new RegisteredPointer(name, registeredClass, true, false, false);
          var pointerConverter = new RegisteredPointer(name + "*", registeredClass, false, false, false);
          var constPointerConverter = new RegisteredPointer(name + " const*", registeredClass, false, true, false);
          registeredPointers[rawType] = {
            pointerType: pointerConverter,
            constPointerType: constPointerConverter
          };
          replacePublicSymbol(legalFunctionName, constructor);
          return [referenceConverter, pointerConverter, constPointerConverter];
        });
      }

      function new_(constructor, argumentList) {
        if (!(constructor instanceof Function)) {
          throw new TypeError("new_ called with constructor type " + typeof constructor + " which is not a function");
        }

        var dummy = createNamedFunction(constructor.name || "unknownFunctionName", function () {});
        dummy.prototype = constructor.prototype;
        var obj = new dummy();
        var r = constructor.apply(obj, argumentList);
        return r instanceof Object ? r : obj;
      }

      function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc) {
        var argCount = argTypes.length;

        if (argCount < 2) {
          throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!");
        }

        var isClassMethodFunc = argTypes[1] !== null && classType !== null;
        var needsDestructorStack = false;

        for (var i = 1; i < argTypes.length; ++i) {
          if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) {
            needsDestructorStack = true;
            break;
          }
        }

        var returns = argTypes[0].name !== "void";
        var argsList = "";
        var argsListWired = "";

        for (var i = 0; i < argCount - 2; ++i) {
          argsList += (i !== 0 ? ", " : "") + "arg" + i;
          argsListWired += (i !== 0 ? ", " : "") + "arg" + i + "Wired";
        }

        var invokerFnBody = "return function " + makeLegalFunctionName(humanName) + "(" + argsList + ") {\n" + "if (arguments.length !== " + (argCount - 2) + ") {\n" + "throwBindingError('function " + humanName + " called with ' + arguments.length + ' arguments, expected " + (argCount - 2) + " args!');\n" + "}\n";

        if (needsDestructorStack) {
          invokerFnBody += "var destructors = [];\n";
        }

        var dtorStack = needsDestructorStack ? "destructors" : "null";
        var args1 = ["throwBindingError", "invoker", "fn", "runDestructors", "retType", "classParam"];
        var args2 = [throwBindingError, cppInvokerFunc, cppTargetFunc, runDestructors, argTypes[0], argTypes[1]];

        if (isClassMethodFunc) {
          invokerFnBody += "var thisWired = classParam.toWireType(" + dtorStack + ", this);\n";
        }

        for (var i = 0; i < argCount - 2; ++i) {
          invokerFnBody += "var arg" + i + "Wired = argType" + i + ".toWireType(" + dtorStack + ", arg" + i + "); // " + argTypes[i + 2].name + "\n";
          args1.push("argType" + i);
          args2.push(argTypes[i + 2]);
        }

        if (isClassMethodFunc) {
          argsListWired = "thisWired" + (argsListWired.length > 0 ? ", " : "") + argsListWired;
        }

        invokerFnBody += (returns ? "var rv = " : "") + "invoker(fn" + (argsListWired.length > 0 ? ", " : "") + argsListWired + ");\n";

        if (needsDestructorStack) {
          invokerFnBody += "runDestructors(destructors);\n";
        } else {
          for (var i = isClassMethodFunc ? 1 : 2; i < argTypes.length; ++i) {
            var paramName = i === 1 ? "thisWired" : "arg" + (i - 2) + "Wired";

            if (argTypes[i].destructorFunction !== null) {
              invokerFnBody += paramName + "_dtor(" + paramName + "); // " + argTypes[i].name + "\n";
              args1.push(paramName + "_dtor");
              args2.push(argTypes[i].destructorFunction);
            }
          }
        }

        if (returns) {
          invokerFnBody += "var ret = retType.fromWireType(rv);\n" + "return ret;\n";
        } else {}

        invokerFnBody += "}\n";
        args1.push(invokerFnBody);
        var invokerFunction = new_(Function, args1).apply(null, args2);
        return invokerFunction;
      }

      function heap32VectorToArray(count, firstElement) {
        var array = [];

        for (var i = 0; i < count; i++) {
          array.push(HEAP32[(firstElement >> 2) + i]);
        }

        return array;
      }

      function __embind_register_class_class_function(rawClassType, methodName, argCount, rawArgTypesAddr, invokerSignature, rawInvoker, fn) {
        var rawArgTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
        methodName = readLatin1String(methodName);
        rawInvoker = embind__requireFunction(invokerSignature, rawInvoker);
        whenDependentTypesAreResolved([], [rawClassType], function (classType) {
          classType = classType[0];
          var humanName = classType.name + "." + methodName;

          function unboundTypesHandler() {
            throwUnboundTypeError("Cannot call " + humanName + " due to unbound types", rawArgTypes);
          }

          var proto = classType.registeredClass.constructor;

          if (undefined === proto[methodName]) {
            unboundTypesHandler.argCount = argCount - 1;
            proto[methodName] = unboundTypesHandler;
          } else {
            ensureOverloadTable(proto, methodName, humanName);
            proto[methodName].overloadTable[argCount - 1] = unboundTypesHandler;
          }

          whenDependentTypesAreResolved([], rawArgTypes, function (argTypes) {
            var invokerArgsArray = [argTypes[0], null].concat(argTypes.slice(1));
            var func = craftInvokerFunction(humanName, invokerArgsArray, null, rawInvoker, fn);

            if (undefined === proto[methodName].overloadTable) {
              func.argCount = argCount - 1;
              proto[methodName] = func;
            } else {
              proto[methodName].overloadTable[argCount - 1] = func;
            }

            return [];
          });
          return [];
        });
      }

      function __embind_register_class_constructor(rawClassType, argCount, rawArgTypesAddr, invokerSignature, invoker, rawConstructor) {
        assert(argCount > 0);
        var rawArgTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
        invoker = embind__requireFunction(invokerSignature, invoker);
        var args = [rawConstructor];
        var destructors = [];
        whenDependentTypesAreResolved([], [rawClassType], function (classType) {
          classType = classType[0];
          var humanName = "constructor " + classType.name;

          if (undefined === classType.registeredClass.constructor_body) {
            classType.registeredClass.constructor_body = [];
          }

          if (undefined !== classType.registeredClass.constructor_body[argCount - 1]) {
            throw new BindingError("Cannot register multiple constructors with identical number of parameters (" + (argCount - 1) + ") for class '" + classType.name + "'! Overload resolution is currently only performed using the parameter count, not actual type info!");
          }

          classType.registeredClass.constructor_body[argCount - 1] = function unboundTypeHandler() {
            throwUnboundTypeError("Cannot construct " + classType.name + " due to unbound types", rawArgTypes);
          };

          whenDependentTypesAreResolved([], rawArgTypes, function (argTypes) {
            classType.registeredClass.constructor_body[argCount - 1] = function constructor_body() {
              if (arguments.length !== argCount - 1) {
                throwBindingError(humanName + " called with " + arguments.length + " arguments, expected " + (argCount - 1));
              }

              destructors.length = 0;
              args.length = argCount;

              for (var i = 1; i < argCount; ++i) {
                args[i] = argTypes[i]["toWireType"](destructors, arguments[i - 1]);
              }

              var ptr = invoker.apply(null, args);
              runDestructors(destructors);
              return argTypes[0]["fromWireType"](ptr);
            };

            return [];
          });
          return [];
        });
      }

      function __embind_register_class_function(rawClassType, methodName, argCount, rawArgTypesAddr, invokerSignature, rawInvoker, context, isPureVirtual) {
        var rawArgTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
        methodName = readLatin1String(methodName);
        rawInvoker = embind__requireFunction(invokerSignature, rawInvoker);
        whenDependentTypesAreResolved([], [rawClassType], function (classType) {
          classType = classType[0];
          var humanName = classType.name + "." + methodName;

          if (isPureVirtual) {
            classType.registeredClass.pureVirtualFunctions.push(methodName);
          }

          function unboundTypesHandler() {
            throwUnboundTypeError("Cannot call " + humanName + " due to unbound types", rawArgTypes);
          }

          var proto = classType.registeredClass.instancePrototype;
          var method = proto[methodName];

          if (undefined === method || undefined === method.overloadTable && method.className !== classType.name && method.argCount === argCount - 2) {
            unboundTypesHandler.argCount = argCount - 2;
            unboundTypesHandler.className = classType.name;
            proto[methodName] = unboundTypesHandler;
          } else {
            ensureOverloadTable(proto, methodName, humanName);
            proto[methodName].overloadTable[argCount - 2] = unboundTypesHandler;
          }

          whenDependentTypesAreResolved([], rawArgTypes, function (argTypes) {
            var memberFunction = craftInvokerFunction(humanName, argTypes, classType, rawInvoker, context);

            if (undefined === proto[methodName].overloadTable) {
              memberFunction.argCount = argCount - 2;
              proto[methodName] = memberFunction;
            } else {
              proto[methodName].overloadTable[argCount - 2] = memberFunction;
            }

            return [];
          });
          return [];
        });
      }

      function validateThis(this_, classType, humanName) {
        if (!(this_ instanceof Object)) {
          throwBindingError(humanName + ' with invalid "this": ' + this_);
        }

        if (!(this_ instanceof classType.registeredClass.constructor)) {
          throwBindingError(humanName + ' incompatible with "this" of type ' + this_.constructor.name);
        }

        if (!this_.$$.ptr) {
          throwBindingError("cannot call emscripten binding method " + humanName + " on deleted object");
        }

        return upcastPointer(this_.$$.ptr, this_.$$.ptrType.registeredClass, classType.registeredClass);
      }

      function __embind_register_class_property(classType, fieldName, getterReturnType, getterSignature, getter, getterContext, setterArgumentType, setterSignature, setter, setterContext) {
        fieldName = readLatin1String(fieldName);
        getter = embind__requireFunction(getterSignature, getter);
        whenDependentTypesAreResolved([], [classType], function (classType) {
          classType = classType[0];
          var humanName = classType.name + "." + fieldName;
          var desc = {
            get: function get() {
              throwUnboundTypeError("Cannot access " + humanName + " due to unbound types", [getterReturnType, setterArgumentType]);
            },
            enumerable: true,
            configurable: true
          };

          if (setter) {
            desc.set = function () {
              throwUnboundTypeError("Cannot access " + humanName + " due to unbound types", [getterReturnType, setterArgumentType]);
            };
          } else {
            desc.set = function (v) {
              throwBindingError(humanName + " is a read-only property");
            };
          }

          Object.defineProperty(classType.registeredClass.instancePrototype, fieldName, desc);
          whenDependentTypesAreResolved([], setter ? [getterReturnType, setterArgumentType] : [getterReturnType], function (types) {
            var getterReturnType = types[0];
            var desc = {
              get: function get() {
                var ptr = validateThis(this, classType, humanName + " getter");
                return getterReturnType["fromWireType"](getter(getterContext, ptr));
              },
              enumerable: true
            };

            if (setter) {
              setter = embind__requireFunction(setterSignature, setter);
              var setterArgumentType = types[1];

              desc.set = function (v) {
                var ptr = validateThis(this, classType, humanName + " setter");
                var destructors = [];
                setter(setterContext, ptr, setterArgumentType["toWireType"](destructors, v));
                runDestructors(destructors);
              };
            }

            Object.defineProperty(classType.registeredClass.instancePrototype, fieldName, desc);
            return [];
          });
          return [];
        });
      }

      var emval_free_list = [];
      var emval_handle_array = [{}, {
        value: undefined
      }, {
        value: null
      }, {
        value: true
      }, {
        value: false
      }];

      function __emval_decref(handle) {
        if (handle > 4 && 0 === --emval_handle_array[handle].refcount) {
          emval_handle_array[handle] = undefined;
          emval_free_list.push(handle);
        }
      }

      function count_emval_handles() {
        var count = 0;

        for (var i = 5; i < emval_handle_array.length; ++i) {
          if (emval_handle_array[i] !== undefined) {
            ++count;
          }
        }

        return count;
      }

      function get_first_emval() {
        for (var i = 5; i < emval_handle_array.length; ++i) {
          if (emval_handle_array[i] !== undefined) {
            return emval_handle_array[i];
          }
        }

        return null;
      }

      function init_emval() {
        Module["count_emval_handles"] = count_emval_handles;
        Module["get_first_emval"] = get_first_emval;
      }

      function __emval_register(value) {
        switch (value) {
          case undefined:
            {
              return 1;
            }

          case null:
            {
              return 2;
            }

          case true:
            {
              return 3;
            }

          case false:
            {
              return 4;
            }

          default:
            {
              var handle = emval_free_list.length ? emval_free_list.pop() : emval_handle_array.length;
              emval_handle_array[handle] = {
                refcount: 1,
                value: value
              };
              return handle;
            }
        }
      }

      function __embind_register_emval(rawType, name) {
        name = readLatin1String(name);
        registerType(rawType, {
          name: name,
          "fromWireType": function fromWireType(handle) {
            var rv = emval_handle_array[handle].value;

            __emval_decref(handle);

            return rv;
          },
          "toWireType": function toWireType(destructors, value) {
            return __emval_register(value);
          },
          "argPackAdvance": 8,
          "readValueFromPointer": simpleReadValueFromPointer,
          destructorFunction: null
        });
      }

      function enumReadValueFromPointer(name, shift, signed) {
        switch (shift) {
          case 0:
            return function (pointer) {
              var heap = signed ? HEAP8 : HEAPU8;
              return this["fromWireType"](heap[pointer]);
            };

          case 1:
            return function (pointer) {
              var heap = signed ? HEAP16 : HEAPU16;
              return this["fromWireType"](heap[pointer >> 1]);
            };

          case 2:
            return function (pointer) {
              var heap = signed ? HEAP32 : HEAPU32;
              return this["fromWireType"](heap[pointer >> 2]);
            };

          default:
            throw new TypeError("Unknown integer type: " + name);
        }
      }

      function __embind_register_enum(rawType, name, size, isSigned) {
        var shift = getShiftFromSize(size);
        name = readLatin1String(name);

        function ctor() {}

        ctor.values = {};
        registerType(rawType, {
          name: name,
          constructor: ctor,
          "fromWireType": function fromWireType(c) {
            return this.constructor.values[c];
          },
          "toWireType": function toWireType(destructors, c) {
            return c.value;
          },
          "argPackAdvance": 8,
          "readValueFromPointer": enumReadValueFromPointer(name, shift, isSigned),
          destructorFunction: null
        });
        exposePublicSymbol(name, ctor);
      }

      function requireRegisteredType(rawType, humanName) {
        var impl = registeredTypes[rawType];

        if (undefined === impl) {
          throwBindingError(humanName + " has unknown type " + getTypeName(rawType));
        }

        return impl;
      }

      function __embind_register_enum_value(rawEnumType, name, enumValue) {
        var enumType = requireRegisteredType(rawEnumType, "enum");
        name = readLatin1String(name);
        var Enum = enumType.constructor;
        var Value = Object.create(enumType.constructor.prototype, {
          value: {
            value: enumValue
          },
          constructor: {
            value: createNamedFunction(enumType.name + "_" + name, function () {})
          }
        });
        Enum.values[enumValue] = Value;
        Enum[name] = Value;
      }

      function _embind_repr(v) {
        if (v === null) {
          return "null";
        }

        var t = typeof v;

        if (t === "object" || t === "array" || t === "function") {
          return v.toString();
        } else {
          return "" + v;
        }
      }

      function floatReadValueFromPointer(name, shift) {
        switch (shift) {
          case 2:
            return function (pointer) {
              return this["fromWireType"](HEAPF32[pointer >> 2]);
            };

          case 3:
            return function (pointer) {
              return this["fromWireType"](HEAPF64[pointer >> 3]);
            };

          default:
            throw new TypeError("Unknown float type: " + name);
        }
      }

      function __embind_register_float(rawType, name, size) {
        var shift = getShiftFromSize(size);
        name = readLatin1String(name);
        registerType(rawType, {
          name: name,
          "fromWireType": function fromWireType(value) {
            return value;
          },
          "toWireType": function toWireType(destructors, value) {
            if (typeof value !== "number" && typeof value !== "boolean") {
              throw new TypeError('Cannot convert "' + _embind_repr(value) + '" to ' + this.name);
            }

            return value;
          },
          "argPackAdvance": 8,
          "readValueFromPointer": floatReadValueFromPointer(name, shift),
          destructorFunction: null
        });
      }

      function integerReadValueFromPointer(name, shift, signed) {
        switch (shift) {
          case 0:
            return signed ? function readS8FromPointer(pointer) {
              return HEAP8[pointer];
            } : function readU8FromPointer(pointer) {
              return HEAPU8[pointer];
            };

          case 1:
            return signed ? function readS16FromPointer(pointer) {
              return HEAP16[pointer >> 1];
            } : function readU16FromPointer(pointer) {
              return HEAPU16[pointer >> 1];
            };

          case 2:
            return signed ? function readS32FromPointer(pointer) {
              return HEAP32[pointer >> 2];
            } : function readU32FromPointer(pointer) {
              return HEAPU32[pointer >> 2];
            };

          default:
            throw new TypeError("Unknown integer type: " + name);
        }
      }

      function __embind_register_integer(primitiveType, name, size, minRange, maxRange) {
        name = readLatin1String(name);

        if (maxRange === -1) {
          maxRange = 4294967295;
        }

        var shift = getShiftFromSize(size);

        var fromWireType = function fromWireType(value) {
          return value;
        };

        if (minRange === 0) {
          var bitshift = 32 - 8 * size;

          fromWireType = function fromWireType(value) {
            return value << bitshift >>> bitshift;
          };
        }

        var isUnsignedType = name.indexOf("unsigned") != -1;
        registerType(primitiveType, {
          name: name,
          "fromWireType": fromWireType,
          "toWireType": function toWireType(destructors, value) {
            if (typeof value !== "number" && typeof value !== "boolean") {
              throw new TypeError('Cannot convert "' + _embind_repr(value) + '" to ' + this.name);
            }

            if (value < minRange || value > maxRange) {
              throw new TypeError('Passing a number "' + _embind_repr(value) + '" from JS side to C/C++ side to an argument of type "' + name + '", which is outside the valid range [' + minRange + ", " + maxRange + "]!");
            }

            return isUnsignedType ? value >>> 0 : value | 0;
          },
          "argPackAdvance": 8,
          "readValueFromPointer": integerReadValueFromPointer(name, shift, minRange !== 0),
          destructorFunction: null
        });
      }

      function __embind_register_memory_view(rawType, dataTypeIndex, name) {
        var typeMapping = [Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array];
        var TA = typeMapping[dataTypeIndex];

        function decodeMemoryView(handle) {
          handle = handle >> 2;
          var heap = HEAPU32;
          var size = heap[handle];
          var data = heap[handle + 1];
          return new TA(buffer, data, size);
        }

        name = readLatin1String(name);
        registerType(rawType, {
          name: name,
          "fromWireType": decodeMemoryView,
          "argPackAdvance": 8,
          "readValueFromPointer": decodeMemoryView
        }, {
          ignoreDuplicateRegistrations: true
        });
      }

      function __embind_register_std_string(rawType, name) {
        name = readLatin1String(name);
        var stdStringIsUTF8 = name === "std::string";
        registerType(rawType, {
          name: name,
          "fromWireType": function fromWireType(value) {
            var length = HEAPU32[value >> 2];
            var str;

            if (stdStringIsUTF8) {
              var decodeStartPtr = value + 4;

              for (var i = 0; i <= length; ++i) {
                var currentBytePtr = value + 4 + i;

                if (i == length || HEAPU8[currentBytePtr] == 0) {
                  var maxRead = currentBytePtr - decodeStartPtr;
                  var stringSegment = UTF8ToString(decodeStartPtr, maxRead);

                  if (str === undefined) {
                    str = stringSegment;
                  } else {
                    str += String.fromCharCode(0);
                    str += stringSegment;
                  }

                  decodeStartPtr = currentBytePtr + 1;
                }
              }
            } else {
              var a = new Array(length);

              for (var i = 0; i < length; ++i) {
                a[i] = String.fromCharCode(HEAPU8[value + 4 + i]);
              }

              str = a.join("");
            }

            _free(value);

            return str;
          },
          "toWireType": function toWireType(destructors, value) {
            if (value instanceof ArrayBuffer) {
              value = new Uint8Array(value);
            }

            var getLength;
            var valueIsOfTypeString = typeof value === "string";

            if (!(valueIsOfTypeString || value instanceof Uint8Array || value instanceof Uint8ClampedArray || value instanceof Int8Array)) {
              throwBindingError("Cannot pass non-string to std::string");
            }

            if (stdStringIsUTF8 && valueIsOfTypeString) {
              getLength = function getLength() {
                return lengthBytesUTF8(value);
              };
            } else {
              getLength = function getLength() {
                return value.length;
              };
            }

            var length = getLength();

            var ptr = _malloc(4 + length + 1);

            HEAPU32[ptr >> 2] = length;

            if (stdStringIsUTF8 && valueIsOfTypeString) {
              stringToUTF8(value, ptr + 4, length + 1);
            } else {
              if (valueIsOfTypeString) {
                for (var i = 0; i < length; ++i) {
                  var charCode = value.charCodeAt(i);

                  if (charCode > 255) {
                    _free(ptr);

                    throwBindingError("String has UTF-16 code units that do not fit in 8 bits");
                  }

                  HEAPU8[ptr + 4 + i] = charCode;
                }
              } else {
                for (var i = 0; i < length; ++i) {
                  HEAPU8[ptr + 4 + i] = value[i];
                }
              }
            }

            if (destructors !== null) {
              destructors.push(_free, ptr);
            }

            return ptr;
          },
          "argPackAdvance": 8,
          "readValueFromPointer": simpleReadValueFromPointer,
          destructorFunction: function destructorFunction(ptr) {
            _free(ptr);
          }
        });
      }

      function __embind_register_std_wstring(rawType, charSize, name) {
        name = readLatin1String(name);
        var decodeString, encodeString, getHeap, lengthBytesUTF, shift;

        if (charSize === 2) {
          decodeString = UTF16ToString;
          encodeString = stringToUTF16;
          lengthBytesUTF = lengthBytesUTF16;

          getHeap = function getHeap() {
            return HEAPU16;
          };

          shift = 1;
        } else if (charSize === 4) {
          decodeString = UTF32ToString;
          encodeString = stringToUTF32;
          lengthBytesUTF = lengthBytesUTF32;

          getHeap = function getHeap() {
            return HEAPU32;
          };

          shift = 2;
        }

        registerType(rawType, {
          name: name,
          "fromWireType": function fromWireType(value) {
            var length = HEAPU32[value >> 2];
            var HEAP = getHeap();
            var str;
            var decodeStartPtr = value + 4;

            for (var i = 0; i <= length; ++i) {
              var currentBytePtr = value + 4 + i * charSize;

              if (i == length || HEAP[currentBytePtr >> shift] == 0) {
                var maxReadBytes = currentBytePtr - decodeStartPtr;
                var stringSegment = decodeString(decodeStartPtr, maxReadBytes);

                if (str === undefined) {
                  str = stringSegment;
                } else {
                  str += String.fromCharCode(0);
                  str += stringSegment;
                }

                decodeStartPtr = currentBytePtr + charSize;
              }
            }

            _free(value);

            return str;
          },
          "toWireType": function toWireType(destructors, value) {
            if (!(typeof value === "string")) {
              throwBindingError("Cannot pass non-string to C++ string type " + name);
            }

            var length = lengthBytesUTF(value);

            var ptr = _malloc(4 + length + charSize);

            HEAPU32[ptr >> 2] = length >> shift;
            encodeString(value, ptr + 4, length + charSize);

            if (destructors !== null) {
              destructors.push(_free, ptr);
            }

            return ptr;
          },
          "argPackAdvance": 8,
          "readValueFromPointer": simpleReadValueFromPointer,
          destructorFunction: function destructorFunction(ptr) {
            _free(ptr);
          }
        });
      }

      function __embind_register_value_array(rawType, name, constructorSignature, rawConstructor, destructorSignature, rawDestructor) {
        tupleRegistrations[rawType] = {
          name: readLatin1String(name),
          rawConstructor: embind__requireFunction(constructorSignature, rawConstructor),
          rawDestructor: embind__requireFunction(destructorSignature, rawDestructor),
          elements: []
        };
      }

      function __embind_register_value_array_element(rawTupleType, getterReturnType, getterSignature, getter, getterContext, setterArgumentType, setterSignature, setter, setterContext) {
        tupleRegistrations[rawTupleType].elements.push({
          getterReturnType: getterReturnType,
          getter: embind__requireFunction(getterSignature, getter),
          getterContext: getterContext,
          setterArgumentType: setterArgumentType,
          setter: embind__requireFunction(setterSignature, setter),
          setterContext: setterContext
        });
      }

      function __embind_register_value_object(rawType, name, constructorSignature, rawConstructor, destructorSignature, rawDestructor) {
        structRegistrations[rawType] = {
          name: readLatin1String(name),
          rawConstructor: embind__requireFunction(constructorSignature, rawConstructor),
          rawDestructor: embind__requireFunction(destructorSignature, rawDestructor),
          fields: []
        };
      }

      function __embind_register_value_object_field(structType, fieldName, getterReturnType, getterSignature, getter, getterContext, setterArgumentType, setterSignature, setter, setterContext) {
        structRegistrations[structType].fields.push({
          fieldName: readLatin1String(fieldName),
          getterReturnType: getterReturnType,
          getter: embind__requireFunction(getterSignature, getter),
          getterContext: getterContext,
          setterArgumentType: setterArgumentType,
          setter: embind__requireFunction(setterSignature, setter),
          setterContext: setterContext
        });
      }

      function __embind_register_void(rawType, name) {
        name = readLatin1String(name);
        registerType(rawType, {
          isVoid: true,
          name: name,
          "argPackAdvance": 0,
          "fromWireType": function fromWireType() {
            return undefined;
          },
          "toWireType": function toWireType(destructors, o) {
            return undefined;
          }
        });
      }

      function requireHandle(handle) {
        if (!handle) {
          throwBindingError("Cannot use deleted val. handle = " + handle);
        }

        return emval_handle_array[handle].value;
      }

      function __emval_as(handle, returnType, destructorsRef) {
        handle = requireHandle(handle);
        returnType = requireRegisteredType(returnType, "emval::as");
        var destructors = [];

        var rd = __emval_register(destructors);

        HEAP32[destructorsRef >> 2] = rd;
        return returnType["toWireType"](destructors, handle);
      }

      function __emval_allocateDestructors(destructorsRef) {
        var destructors = [];
        HEAP32[destructorsRef >> 2] = __emval_register(destructors);
        return destructors;
      }

      var emval_symbols = {};

      function getStringOrSymbol(address) {
        var symbol = emval_symbols[address];

        if (symbol === undefined) {
          return readLatin1String(address);
        } else {
          return symbol;
        }
      }

      var emval_methodCallers = [];

      function __emval_call_method(caller, handle, methodName, destructorsRef, args) {
        caller = emval_methodCallers[caller];
        handle = requireHandle(handle);
        methodName = getStringOrSymbol(methodName);
        return caller(handle, methodName, __emval_allocateDestructors(destructorsRef), args);
      }

      function __emval_call_void_method(caller, handle, methodName, args) {
        caller = emval_methodCallers[caller];
        handle = requireHandle(handle);
        methodName = getStringOrSymbol(methodName);
        caller(handle, methodName, null, args);
      }

      function __emval_equals(first, second) {
        first = requireHandle(first);
        second = requireHandle(second);
        return first == second;
      }

      function emval_get_global() {
        if (typeof globalThis === "object") {
          return globalThis;
        }

        return function () {
          return Function;
        }()("return this")();
      }

      function __emval_get_global(name) {
        if (name === 0) {
          return __emval_register(emval_get_global());
        } else {
          name = getStringOrSymbol(name);
          return __emval_register(emval_get_global()[name]);
        }
      }

      function __emval_addMethodCaller(caller) {
        var id = emval_methodCallers.length;
        emval_methodCallers.push(caller);
        return id;
      }

      function __emval_lookupTypes(argCount, argTypes) {
        var a = new Array(argCount);

        for (var i = 0; i < argCount; ++i) {
          a[i] = requireRegisteredType(HEAP32[(argTypes >> 2) + i], "parameter " + i);
        }

        return a;
      }

      function __emval_get_method_caller(argCount, argTypes) {
        var types = __emval_lookupTypes(argCount, argTypes);

        var retType = types[0];
        var signatureName = retType.name + "_$" + types.slice(1).map(function (t) {
          return t.name;
        }).join("_") + "$";
        var params = ["retType"];
        var args = [retType];
        var argsList = "";

        for (var i = 0; i < argCount - 1; ++i) {
          argsList += (i !== 0 ? ", " : "") + "arg" + i;
          params.push("argType" + i);
          args.push(types[1 + i]);
        }

        var functionName = makeLegalFunctionName("methodCaller_" + signatureName);
        var functionBody = "return function " + functionName + "(handle, name, destructors, args) {\n";
        var offset = 0;

        for (var i = 0; i < argCount - 1; ++i) {
          functionBody += "    var arg" + i + " = argType" + i + ".readValueFromPointer(args" + (offset ? "+" + offset : "") + ");\n";
          offset += types[i + 1]["argPackAdvance"];
        }

        functionBody += "    var rv = handle[name](" + argsList + ");\n";

        for (var i = 0; i < argCount - 1; ++i) {
          if (types[i + 1]["deleteObject"]) {
            functionBody += "    argType" + i + ".deleteObject(arg" + i + ");\n";
          }
        }

        if (!retType.isVoid) {
          functionBody += "    return retType.toWireType(destructors, rv);\n";
        }

        functionBody += "};\n";
        params.push(functionBody);
        var invokerFunction = new_(Function, params).apply(null, args);
        return __emval_addMethodCaller(invokerFunction);
      }

      function __emval_get_module_property(name) {
        name = getStringOrSymbol(name);
        return __emval_register(Module[name]);
      }

      function __emval_get_property(handle, key) {
        handle = requireHandle(handle);
        key = requireHandle(key);
        return __emval_register(handle[key]);
      }

      function __emval_incref(handle) {
        if (handle > 4) {
          emval_handle_array[handle].refcount += 1;
        }
      }

      function __emval_instanceof(object, constructor) {
        object = requireHandle(object);
        constructor = requireHandle(constructor);
        return object instanceof constructor;
      }

      function __emval_is_number(handle) {
        handle = requireHandle(handle);
        return typeof handle === "number";
      }

      function __emval_is_string(handle) {
        handle = requireHandle(handle);
        return typeof handle === "string";
      }

      function craftEmvalAllocator(argCount) {
        var argsList = "";

        for (var i = 0; i < argCount; ++i) {
          argsList += (i !== 0 ? ", " : "") + "arg" + i;
        }

        var functionBody = "return function emval_allocator_" + argCount + "(constructor, argTypes, args) {\n";

        for (var i = 0; i < argCount; ++i) {
          functionBody += "var argType" + i + " = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + " + i + '], "parameter ' + i + '");\n' + "var arg" + i + " = argType" + i + ".readValueFromPointer(args);\n" + "args += argType" + i + "['argPackAdvance'];\n";
        }

        functionBody += "var obj = new constructor(" + argsList + ");\n" + "return __emval_register(obj);\n" + "}\n";
        return new Function("requireRegisteredType", "Module", "__emval_register", functionBody)(requireRegisteredType, Module, __emval_register);
      }

      var emval_newers = {};

      function __emval_new(handle, argCount, argTypes, args) {
        handle = requireHandle(handle);
        var newer = emval_newers[argCount];

        if (!newer) {
          newer = craftEmvalAllocator(argCount);
          emval_newers[argCount] = newer;
        }

        return newer(handle, argTypes, args);
      }

      function __emval_new_array() {
        return __emval_register([]);
      }

      function __emval_new_cstring(v) {
        return __emval_register(getStringOrSymbol(v));
      }

      function __emval_new_object() {
        return __emval_register({});
      }

      function __emval_run_destructors(handle) {
        var destructors = emval_handle_array[handle].value;
        runDestructors(destructors);

        __emval_decref(handle);
      }

      function __emval_set_property(handle, key, value) {
        handle = requireHandle(handle);
        key = requireHandle(key);
        value = requireHandle(value);
        handle[key] = value;
      }

      function __emval_take_value(type, argv) {
        type = requireRegisteredType(type, "_emval_take_value");
        var v = type["readValueFromPointer"](argv);
        return __emval_register(v);
      }

      function _abort() {
        abort();
      }

      function _emscripten_memcpy_big(dest, src, num) {
        HEAPU8.copyWithin(dest, src, src + num);
      }

      function _emscripten_get_heap_size() {
        return HEAPU8.length;
      }

      function emscripten_realloc_buffer(size) {
        try {
          wasmMemory.grow(size - buffer.byteLength + 65535 >>> 16);
          updateGlobalBufferAndViews(wasmMemory.buffer);
          return 1;
        } catch (e) {}
      }

      function _emscripten_resize_heap(requestedSize) {
        requestedSize = requestedSize >>> 0;

        var oldSize = _emscripten_get_heap_size();

        var maxHeapSize = 2147483648;

        if (requestedSize > maxHeapSize) {
          return false;
        }

        var minHeapSize = 16777216;

        for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
          var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
          overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
          var newSize = Math.min(maxHeapSize, alignUp(Math.max(minHeapSize, requestedSize, overGrownHeapSize), 65536));
          var replacement = emscripten_realloc_buffer(newSize);

          if (replacement) {
            return true;
          }
        }

        return false;
      }

      var _emscripten_get_now;

      if (ENVIRONMENT_IS_NODE) {
        _emscripten_get_now = function _emscripten_get_now() {
          var t = process["hrtime"]();
          return t[0] * 1e3 + t[1] / 1e6;
        };
      } else if (typeof dateNow !== "undefined") {
        _emscripten_get_now = dateNow;
      } else _emscripten_get_now = function _emscripten_get_now() {
        return performance.now();
      };

      function _emscripten_thread_sleep(msecs) {
        var start = _emscripten_get_now();

        while (_emscripten_get_now() - start < msecs) {}
      }

      var ENV = {};

      function getExecutableName() {
        return thisProgram || "./this.program";
      }

      function getEnvStrings() {
        if (!getEnvStrings.strings) {
          var lang = (typeof navigator === "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
          var env = {
            "USER": "web_user",
            "LOGNAME": "web_user",
            "PATH": "/",
            "PWD": "/",
            "HOME": "/home/web_user",
            "LANG": lang,
            "_": getExecutableName()
          };

          for (var x in ENV) {
            env[x] = ENV[x];
          }

          var strings = [];

          for (var x in env) {
            strings.push(x + "=" + env[x]);
          }

          getEnvStrings.strings = strings;
        }

        return getEnvStrings.strings;
      }

      function _environ_get(__environ, environ_buf) {
        try {
          var bufSize = 0;
          getEnvStrings().forEach(function (string, i) {
            var ptr = environ_buf + bufSize;
            HEAP32[__environ + i * 4 >> 2] = ptr;
            writeAsciiToMemory(string, ptr);
            bufSize += string.length + 1;
          });
          return 0;
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return e.errno;
        }
      }

      function _environ_sizes_get(penviron_count, penviron_buf_size) {
        try {
          var strings = getEnvStrings();
          HEAP32[penviron_count >> 2] = strings.length;
          var bufSize = 0;
          strings.forEach(function (string) {
            bufSize += string.length + 1;
          });
          HEAP32[penviron_buf_size >> 2] = bufSize;
          return 0;
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return e.errno;
        }
      }

      function _fd_close(fd) {
        try {
          var stream = SYSCALLS.getStreamFromFD(fd);
          FS.close(stream);
          return 0;
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return e.errno;
        }
      }

      function _fd_fdstat_get(fd, pbuf) {
        try {
          var stream = SYSCALLS.getStreamFromFD(fd);
          var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4;
          HEAP8[pbuf >> 0] = type;
          return 0;
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return e.errno;
        }
      }

      function _fd_read(fd, iov, iovcnt, pnum) {
        try {
          var stream = SYSCALLS.getStreamFromFD(fd);
          var num = SYSCALLS.doReadv(stream, iov, iovcnt);
          HEAP32[pnum >> 2] = num;
          return 0;
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return e.errno;
        }
      }

      function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
        try {
          var stream = SYSCALLS.getStreamFromFD(fd);
          var HIGH_OFFSET = 4294967296;
          var offset = offset_high * HIGH_OFFSET + (offset_low >>> 0);
          var DOUBLE_LIMIT = 9007199254740992;

          if (offset <= -DOUBLE_LIMIT || offset >= DOUBLE_LIMIT) {
            return -61;
          }

          FS.llseek(stream, offset, whence);
          tempI64 = [stream.position >>> 0, (tempDouble = stream.position, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[newOffset >> 2] = tempI64[0], HEAP32[newOffset + 4 >> 2] = tempI64[1];
          if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
          return 0;
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return e.errno;
        }
      }

      function _fd_write(fd, iov, iovcnt, pnum) {
        try {
          var stream = SYSCALLS.getStreamFromFD(fd);
          var num = SYSCALLS.doWritev(stream, iov, iovcnt);
          HEAP32[pnum >> 2] = num;
          return 0;
        } catch (e) {
          if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
          return e.errno;
        }
      }

      function _setTempRet0($i) {
        setTempRet0($i | 0);
      }

      function _time(ptr) {
        var ret = Date.now() / 1e3 | 0;

        if (ptr) {
          HEAP32[ptr >> 2] = ret;
        }

        return ret;
      }

      function _uuid_generate(out) {
        var uuid = null;

        if (ENVIRONMENT_IS_NODE) {
          try {
            var rb = require("crypto")["randomBytes"];

            uuid = rb(16);
          } catch (e) {}
        } else if (ENVIRONMENT_IS_WEB && typeof window.crypto !== "undefined" && typeof window.crypto.getRandomValues !== "undefined") {
          uuid = new Uint8Array(16);
          window.crypto.getRandomValues(uuid);
        }

        if (!uuid) {
          uuid = new Array(16);
          var d = new Date().getTime();

          for (var i = 0; i < 16; i++) {
            var r = (d + Math.random() * 256) % 256 | 0;
            d = d / 256 | 0;
            uuid[i] = r;
          }
        }

        uuid[6] = uuid[6] & 15 | 64;
        uuid[8] = uuid[8] & 127 | 128;
        writeArrayToMemory(uuid, out);
      }

      var FSNode = function FSNode(parent, name, mode, rdev) {
        if (!parent) {
          parent = this;
        }

        this.parent = parent;
        this.mount = parent.mount;
        this.mounted = null;
        this.id = FS.nextInode++;
        this.name = name;
        this.mode = mode;
        this.node_ops = {};
        this.stream_ops = {};
        this.rdev = rdev;
      };

      var readMode = 292 | 73;
      var writeMode = 146;
      Object.defineProperties(FSNode.prototype, {
        read: {
          get: function get() {
            return (this.mode & readMode) === readMode;
          },
          set: function set(val) {
            val ? this.mode |= readMode : this.mode &= ~readMode;
          }
        },
        write: {
          get: function get() {
            return (this.mode & writeMode) === writeMode;
          },
          set: function set(val) {
            val ? this.mode |= writeMode : this.mode &= ~writeMode;
          }
        },
        isFolder: {
          get: function get() {
            return FS.isDir(this.mode);
          }
        },
        isDevice: {
          get: function get() {
            return FS.isChrdev(this.mode);
          }
        }
      });
      FS.FSNode = FSNode;
      FS.staticInit();
      InternalError = Module["InternalError"] = extendError(Error, "InternalError");
      embind_init_charCodes();
      BindingError = Module["BindingError"] = extendError(Error, "BindingError");
      init_ClassHandle();
      init_RegisteredPointer();
      init_embind();
      UnboundTypeError = Module["UnboundTypeError"] = extendError(Error, "UnboundTypeError");
      init_emval();
      var ASSERTIONS = false;

      function intArrayFromString(stringy, dontAddNull, length) {
        var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
        var u8array = new Array(len);
        var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
        if (dontAddNull) u8array.length = numBytesWritten;
        return u8array;
      }

      __ATINIT__.push({
        func: function func() {
          ___wasm_call_ctors();
        }
      });

      var asmLibraryArg = {
        "__cxa_allocate_exception": ___cxa_allocate_exception,
        "__cxa_atexit": ___cxa_atexit,
        "__cxa_throw": ___cxa_throw,
        "__gmtime_r": ___gmtime_r,
        "__sys_fcntl64": ___sys_fcntl64,
        "__sys_fstat64": ___sys_fstat64,
        "__sys_ioctl": ___sys_ioctl,
        "__sys_open": ___sys_open,
        "__sys_stat64": ___sys_stat64,
        "_embind_finalize_value_array": __embind_finalize_value_array,
        "_embind_finalize_value_object": __embind_finalize_value_object,
        "_embind_register_bool": __embind_register_bool,
        "_embind_register_class": __embind_register_class,
        "_embind_register_class_class_function": __embind_register_class_class_function,
        "_embind_register_class_constructor": __embind_register_class_constructor,
        "_embind_register_class_function": __embind_register_class_function,
        "_embind_register_class_property": __embind_register_class_property,
        "_embind_register_emval": __embind_register_emval,
        "_embind_register_enum": __embind_register_enum,
        "_embind_register_enum_value": __embind_register_enum_value,
        "_embind_register_float": __embind_register_float,
        "_embind_register_integer": __embind_register_integer,
        "_embind_register_memory_view": __embind_register_memory_view,
        "_embind_register_std_string": __embind_register_std_string,
        "_embind_register_std_wstring": __embind_register_std_wstring,
        "_embind_register_value_array": __embind_register_value_array,
        "_embind_register_value_array_element": __embind_register_value_array_element,
        "_embind_register_value_object": __embind_register_value_object,
        "_embind_register_value_object_field": __embind_register_value_object_field,
        "_embind_register_void": __embind_register_void,
        "_emval_as": __emval_as,
        "_emval_call_method": __emval_call_method,
        "_emval_call_void_method": __emval_call_void_method,
        "_emval_decref": __emval_decref,
        "_emval_equals": __emval_equals,
        "_emval_get_global": __emval_get_global,
        "_emval_get_method_caller": __emval_get_method_caller,
        "_emval_get_module_property": __emval_get_module_property,
        "_emval_get_property": __emval_get_property,
        "_emval_incref": __emval_incref,
        "_emval_instanceof": __emval_instanceof,
        "_emval_is_number": __emval_is_number,
        "_emval_is_string": __emval_is_string,
        "_emval_new": __emval_new,
        "_emval_new_array": __emval_new_array,
        "_emval_new_cstring": __emval_new_cstring,
        "_emval_new_object": __emval_new_object,
        "_emval_run_destructors": __emval_run_destructors,
        "_emval_set_property": __emval_set_property,
        "_emval_take_value": __emval_take_value,
        "abort": _abort,
        "emscripten_memcpy_big": _emscripten_memcpy_big,
        "emscripten_resize_heap": _emscripten_resize_heap,
        "emscripten_thread_sleep": _emscripten_thread_sleep,
        "environ_get": _environ_get,
        "environ_sizes_get": _environ_sizes_get,
        "fd_close": _fd_close,
        "fd_fdstat_get": _fd_fdstat_get,
        "fd_read": _fd_read,
        "fd_seek": _fd_seek,
        "fd_write": _fd_write,
        "setTempRet0": _setTempRet0,
        "time": _time,
        "uuid_generate": _uuid_generate
      };
      var asm = createWasm();

      var ___wasm_call_ctors = Module["___wasm_call_ctors"] = function () {
        return (___wasm_call_ctors = Module["___wasm_call_ctors"] = Module["asm"]["__wasm_call_ctors"]).apply(null, arguments);
      };

      var _malloc = Module["_malloc"] = function () {
        return (_malloc = Module["_malloc"] = Module["asm"]["malloc"]).apply(null, arguments);
      };

      var _free = Module["_free"] = function () {
        return (_free = Module["_free"] = Module["asm"]["free"]).apply(null, arguments);
      };

      var ___getTypeName = Module["___getTypeName"] = function () {
        return (___getTypeName = Module["___getTypeName"] = Module["asm"]["__getTypeName"]).apply(null, arguments);
      };

      var ___embind_register_native_and_builtin_types = Module["___embind_register_native_and_builtin_types"] = function () {
        return (___embind_register_native_and_builtin_types = Module["___embind_register_native_and_builtin_types"] = Module["asm"]["__embind_register_native_and_builtin_types"]).apply(null, arguments);
      };

      var ___errno_location = Module["___errno_location"] = function () {
        return (___errno_location = Module["___errno_location"] = Module["asm"]["__errno_location"]).apply(null, arguments);
      };

      var stackSave = Module["stackSave"] = function () {
        return (stackSave = Module["stackSave"] = Module["asm"]["stackSave"]).apply(null, arguments);
      };

      var stackRestore = Module["stackRestore"] = function () {
        return (stackRestore = Module["stackRestore"] = Module["asm"]["stackRestore"]).apply(null, arguments);
      };

      var stackAlloc = Module["stackAlloc"] = function () {
        return (stackAlloc = Module["stackAlloc"] = Module["asm"]["stackAlloc"]).apply(null, arguments);
      };

      var _setThrew = Module["_setThrew"] = function () {
        return (_setThrew = Module["_setThrew"] = Module["asm"]["setThrew"]).apply(null, arguments);
      };

      var dynCall_ji = Module["dynCall_ji"] = function () {
        return (dynCall_ji = Module["dynCall_ji"] = Module["asm"]["dynCall_ji"]).apply(null, arguments);
      };

      var dynCall_jiji = Module["dynCall_jiji"] = function () {
        return (dynCall_jiji = Module["dynCall_jiji"] = Module["asm"]["dynCall_jiji"]).apply(null, arguments);
      };

      var calledRun;

      function ExitStatus(status) {
        this.name = "ExitStatus";
        this.message = "Program terminated with exit(" + status + ")";
        this.status = status;
      }

      dependenciesFulfilled = function runCaller() {
        if (!calledRun) run();
        if (!calledRun) dependenciesFulfilled = runCaller;
      };

      function run(args) {
        args = args || arguments_;

        if (runDependencies > 0) {
          return;
        }

        preRun();
        if (runDependencies > 0) return;

        function doRun() {
          if (calledRun) return;
          calledRun = true;
          Module["calledRun"] = true;
          if (ABORT) return;
          initRuntime();
          preMain();
          readyPromiseResolve(Module);
          if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
          postRun();
        }

        if (Module["setStatus"]) {
          Module["setStatus"]("Running...");
          setTimeout(function () {
            setTimeout(function () {
              Module["setStatus"]("");
            }, 1);
            doRun();
          }, 1);
        } else {
          doRun();
        }
      }

      Module["run"] = run;

      if (Module["preInit"]) {
        if (typeof Module["preInit"] == "function") Module["preInit"] = [Module["preInit"]];

        while (Module["preInit"].length > 0) {
          Module["preInit"].pop()();
        }
      }

      noExitRuntime = true;
      run();
      return rhino3dm.ready;
    };
  }();

  if (typeof exports === 'object' && typeof module === 'object') module.exports = rhino3dm;else if (typeof define === 'function' && define['amd']) define([], function () {
    return rhino3dm;
  });else if (typeof exports === 'object') exports["rhino3dm"] = rhino3dm;
});