ref: 5afe62a5d1fa30102da9468a4eb6b17c93d5c1ec
parent: 14d52842e21fb5484bd0adc7c9c41751c0b2845b
author: Sam Leitch <sam@luceva.net>
date: Fri Dec 6 15:47:03 EST 2013
Added js compile that uses emscripten. Started creating a wrapper for the emscriptenized code
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
win/ipch/
win/*.sdf
*.user
+*.o
--- /dev/null
+++ b/js/Rakefile
@@ -1,0 +1,29 @@
+
+rule '.o' => ['.c'] do |t|
+ sh "emcc #{t.source} -O2 -c -o #{t.name}"
+end
+
+o_files = FileList["../src/*.c"].gsub(/c$/, 'o')
+
+export_functions = [
+ "_h264bsdAlloc",
+ "_h264bsdFree",
+ "_h264bsdInit",
+ "_h264bsdDecode",
+ "_h264bsdShutdown",
+ "_h264bsdNextOutputPicture",
+ "_h264bsdPicWidth",
+ "_h264bsdPicHeight",
+ "_h264bsdCroppingParams"
+]
+
+file "h264bsd_asm.js" => o_files do
+ sh "emcc #{o_files.join(' ')} -s EXPORTED_FUNCTIONS='[\"#{export_functions.join('", "')}\"]' -O2 -o h264bsd_asm.js"
+end
+
+task :clean do
+ o_files.each{|o| FileUtils.rm_f(o)}
+ FileUtils.rm_f("h264bsd_asm.js")
+end
+
+task :default => ["h264bsd_asm.js"]
\ No newline at end of file
--- /dev/null
+++ b/js/h264bsd.js
@@ -1,0 +1,82 @@
+//
+// Copyright (c) 2013 Sam Leitch. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+var H264BSD_RDY = 0;
+var H264BSD_PIC_RDY = 1;
+var H264BSD_HDRS_RDY = 2;
+var H264BSD_ERROR = 3;
+var H264BSD_PARAM_SET_ERROR = 4;
+var H264BSD_MEMALLOC_ERROR = 5;
+
+// storage_t* h264bsdAlloc();
+function h264bsdAlloc() {
+ return Module.ccall('h264bsdAlloc', number);
+}
+
+// void h264bsdFree(storage_t *pStorage);
+function h264bsdFree(pStorage) {
+ Module.ccall('h264bsdFree', null, [number], [decoder]);
+}
+
+// u32 h264bsdInit(storage_t *pStorage, u32 noOutputReordering);
+function h264bsdInit(pStorage, noOutputReordering) {
+ return Module.ccall('h264bsdInit', number, [number, number], [decoder, noOutputReordering]);
+}
+
+//void h264bsdShutdown(storage_t *pStorage);
+function h264bsdShutdown(pStorage) {
+ Module.ccall('h264bsdShutdown', null, [number], [decoder]);
+}
+
+// u32 h264bsdDecode(storage_t *pStorage, u8 *byteStrm, u32 len, u32 picId, u32 *readBytes);
+function h264bsdDecode(pStorage, pBytes, len, picId, pBytesRead) {
+ return Module.ccall('h264bsdDecode',
+ number,
+ [number, number, number, number, number],
+ [pStorage, pBytes, len, picId, pReadBytes]);
+}
+
+// u8* h264bsdNextOutputPicture(storage_t *pStorage, u32 *picId, u32 *isIdrPic, u32 *numErrMbs);
+function h264bsdNextOutputPicture(pStorage, pPicId, pIsIdrPic, pNumErrMbs) {
+ return Module.ccall('h264bsdNextOutputPicture',
+ number,
+ [number, number, number, number],
+ [pStorage, pPicId, pIsIdrPic, pNumErrMbs]);
+}
+
+// u32 h264bsdPicWidth(storage_t *pStorage);
+function h264bsdPicWidth(pStorage) {
+ return Module.ccall('h264bsdPicWidth', number, [number], [decoder]);
+}
+
+// u32 h264bsdPicHeight(storage_t *pStorage);
+function h264bsdPicHeight(pStorage) {
+ return Module.ccall('h264bsdPicHeight', number, [number], [decoder]);
+}
+
+// void h264bsdCroppingParams(storage_t *pStorage, u32 *croppingFlag, u32 *left, u32 *width, u32 *top, u32 *height);
+function h264bsdCroppingParams(pStorage, pCroppingFlag, pLeft, pWidth, pTop, pHeight) {
+ return Module.ccall('h264bsdCroppingParams',
+ number,
+ [number, number, number, number, number, number, number],
+ [pStorage, pCroppingFlag, pLeft, pWidth, pTop, pHeight]);
+}
--- /dev/null
+++ b/js/h264bsd_asm.js
@@ -1,0 +1,4307 @@
+// Note: For maximum-speed code, see "Optimizing Code" on the Emscripten wiki, https://github.com/kripken/emscripten/wiki/Optimizing-Code
+// Note: Some Emscripten settings may limit the speed of the generated code.
+// The Module object: Our interface to the outside world. We import
+// and export values on it, and do the work to get that through
+// closure compiler if necessary. There are various ways Module can be used:
+// 1. Not defined. We create it here
+// 2. A function parameter, function(Module) { ..generated code.. }
+// 3. pre-run appended it, var Module = {}; ..generated code..
+// 4. External script tag defines var Module.
+// We need to do an eval in order to handle the closure compiler
+// case, where this code here is minified but Module was defined
+// elsewhere (e.g. case 4 above). We also need to check if Module
+// already exists (e.g. case 3 above).
+// Note that if you want to run closure, and also to use Module
+// after the generated code, you will need to define var Module = {};
+// before the code. Then that object will be used in the code, and you
+// can continue to use Module afterwards as well.
+var Module;
+if (!Module) Module = eval('(function() { try { return Module || {} } catch(e) { return {} } })()');
+// Sometimes an existing Module object exists with properties
+// meant to overwrite the default module functionality. Here
+// we collect those properties and reapply _after_ we configure
+// the current environment's defaults to avoid having to be so
+// defensive during initialization.
+var moduleOverrides = {};
+for (var key in Module) {
+ if (Module.hasOwnProperty(key)) {
+ moduleOverrides[key] = Module[key];
+ }
+}
+// The environment setup code below is customized to use Module.
+// *** Environment setup code ***
+var ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require === 'function';
+var ENVIRONMENT_IS_WEB = typeof window === 'object';
+var ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
+var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
+if (ENVIRONMENT_IS_NODE) {
+ // Expose functionality in the same simple way that the shells work
+ // Note that we pollute the global namespace here, otherwise we break in node
+ Module['print'] = function print(x) {
+ process['stdout'].write(x + '\n');
+ };
+ Module['printErr'] = function printErr(x) {
+ process['stderr'].write(x + '\n');
+ };
+ var nodeFS = require('fs');
+ var nodePath = require('path');
+ Module['read'] = function read(filename, binary) {
+ filename = nodePath['normalize'](filename);
+ var ret = nodeFS['readFileSync'](filename);
+ // The path is absolute if the normalized version is the same as the resolved.
+ if (!ret && filename != nodePath['resolve'](filename)) {
+ filename = path.join(__dirname, '..', 'src', filename);
+ ret = nodeFS['readFileSync'](filename);
+ }
+ if (ret && !binary) ret = ret.toString();
+ return ret;
+ };
+ Module['readBinary'] = function readBinary(filename) { return Module['read'](filename, true) };
+ Module['load'] = function load(f) {
+ globalEval(read(f));
+ };
+ Module['arguments'] = process['argv'].slice(2);
+ module['exports'] = Module;
+}
+else if (ENVIRONMENT_IS_SHELL) {
+ Module['print'] = print;
+ if (typeof printErr != 'undefined') Module['printErr'] = printErr; // not present in v8 or older sm
+ if (typeof read != 'undefined') {
+ Module['read'] = read;
+ } else {
+ Module['read'] = function read() { throw 'no read() available (jsc?)' };
+ }
+ Module['readBinary'] = function readBinary(f) {
+ return read(f, 'binary');
+ };
+ if (typeof scriptArgs != 'undefined') {
+ Module['arguments'] = scriptArgs;
+ } else if (typeof arguments != 'undefined') {
+ Module['arguments'] = arguments;
+ }
+ this['Module'] = Module;
+ eval("if (typeof gc === 'function' && gc.toString().indexOf('[native code]') > 0) var gc = undefined"); // wipe out the SpiderMonkey shell 'gc' function, which can confuse closure (uses it as a minified name, and it is then initted to a non-falsey value unexpectedly)
+}
+else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
+ Module['read'] = function read(url) {
+ var xhr = new XMLHttpRequest();
+ xhr.open('GET', url, false);
+ xhr.send(null);
+ return xhr.responseText;
+ };
+ if (typeof arguments != 'undefined') {
+ Module['arguments'] = arguments;
+ }
+ if (typeof console !== 'undefined') {
+ Module['print'] = function print(x) {
+ console.log(x);
+ };
+ Module['printErr'] = function printErr(x) {
+ console.log(x);
+ };
+ } else {
+ // Probably a worker, and without console.log. We can do very little here...
+ var TRY_USE_DUMP = false;
+ Module['print'] = (TRY_USE_DUMP && (typeof(dump) !== "undefined") ? (function(x) {
+ dump(x);
+ }) : (function(x) {
+ // self.postMessage(x); // enable this if you want stdout to be sent as messages
+ }));
+ }
+ if (ENVIRONMENT_IS_WEB) {
+ this['Module'] = Module;
+ } else {
+ Module['load'] = importScripts;
+ }
+}
+else {
+ // Unreachable because SHELL is dependant on the others
+ throw 'Unknown runtime environment. Where are we?';
+}
+function globalEval(x) {
+ eval.call(null, x);
+}
+if (!Module['load'] == 'undefined' && Module['read']) {
+ Module['load'] = function load(f) {
+ globalEval(Module['read'](f));
+ };
+}
+if (!Module['print']) {
+ Module['print'] = function(){};
+}
+if (!Module['printErr']) {
+ Module['printErr'] = Module['print'];
+}
+if (!Module['arguments']) {
+ Module['arguments'] = [];
+}
+// *** Environment setup code ***
+// Closure helpers
+Module.print = Module['print'];
+Module.printErr = Module['printErr'];
+// Callbacks
+Module['preRun'] = [];
+Module['postRun'] = [];
+// Merge back in the overrides
+for (var key in moduleOverrides) {
+ if (moduleOverrides.hasOwnProperty(key)) {
+ Module[key] = moduleOverrides[key];
+ }
+}
+// === Auto-generated preamble library stuff ===
+//========================================
+// Runtime code shared with compiler
+//========================================
+var Runtime = {
+ stackSave: function () {
+ return STACKTOP;
+ },
+ stackRestore: function (stackTop) {
+ STACKTOP = stackTop;
+ },
+ forceAlign: function (target, quantum) {
+ quantum = quantum || 4;
+ if (quantum == 1) return target;
+ if (isNumber(target) && isNumber(quantum)) {
+ return Math.ceil(target/quantum)*quantum;
+ } else if (isNumber(quantum) && isPowerOfTwo(quantum)) {
+ return '(((' +target + ')+' + (quantum-1) + ')&' + -quantum + ')';
+ }
+ return 'Math.ceil((' + target + ')/' + quantum + ')*' + quantum;
+ },
+ isNumberType: function (type) {
+ return type in Runtime.INT_TYPES || type in Runtime.FLOAT_TYPES;
+ },
+ isPointerType: function isPointerType(type) {
+ return type[type.length-1] == '*';
+},
+ isStructType: function isStructType(type) {
+ if (isPointerType(type)) return false;
+ if (isArrayType(type)) return true;
+ if (/<?{ ?[^}]* ?}>?/.test(type)) return true; // { i32, i8 } etc. - anonymous struct types
+ // See comment in isStructPointerType()
+ return type[0] == '%';
+},
+ INT_TYPES: {"i1":0,"i8":0,"i16":0,"i32":0,"i64":0},
+ FLOAT_TYPES: {"float":0,"double":0},
+ or64: function (x, y) {
+ var l = (x | 0) | (y | 0);
+ var h = (Math.round(x / 4294967296) | Math.round(y / 4294967296)) * 4294967296;
+ return l + h;
+ },
+ and64: function (x, y) {
+ var l = (x | 0) & (y | 0);
+ var h = (Math.round(x / 4294967296) & Math.round(y / 4294967296)) * 4294967296;
+ return l + h;
+ },
+ xor64: function (x, y) {
+ var l = (x | 0) ^ (y | 0);
+ var h = (Math.round(x / 4294967296) ^ Math.round(y / 4294967296)) * 4294967296;
+ return l + h;
+ },
+ getNativeTypeSize: function (type) {
+ switch (type) {
+ case 'i1': case 'i8': return 1;
+ case 'i16': return 2;
+ case 'i32': return 4;
+ case 'i64': return 8;
+ case 'float': return 4;
+ case 'double': return 8;
+ default: {
+ if (type[type.length-1] === '*') {
+ return Runtime.QUANTUM_SIZE; // A pointer
+ } else if (type[0] === 'i') {
+ var bits = parseInt(type.substr(1));
+ assert(bits % 8 === 0);
+ return bits/8;
+ } else {
+ return 0;
+ }
+ }
+ }
+ },
+ getNativeFieldSize: function (type) {
+ return Math.max(Runtime.getNativeTypeSize(type), Runtime.QUANTUM_SIZE);
+ },
+ dedup: function dedup(items, ident) {
+ var seen = {};
+ if (ident) {
+ return items.filter(function(item) {
+ if (seen[item[ident]]) return false;
+ seen[item[ident]] = true;
+ return true;
+ });
+ } else {
+ return items.filter(function(item) {
+ if (seen[item]) return false;
+ seen[item] = true;
+ return true;
+ });
+ }
+},
+ set: function set() {
+ var args = typeof arguments[0] === 'object' ? arguments[0] : arguments;
+ var ret = {};
+ for (var i = 0; i < args.length; i++) {
+ ret[args[i]] = 0;
+ }
+ return ret;
+},
+ STACK_ALIGN: 8,
+ getAlignSize: function (type, size, vararg) {
+ // we align i64s and doubles on 64-bit boundaries, unlike x86
+ if (type == 'i64' || type == 'double' || vararg) return 8;
+ if (!type) return Math.min(size, 8); // align structures internally to 64 bits
+ return Math.min(size || (type ? Runtime.getNativeFieldSize(type) : 0), Runtime.QUANTUM_SIZE);
+ },
+ calculateStructAlignment: function calculateStructAlignment(type) {
+ type.flatSize = 0;
+ type.alignSize = 0;
+ var diffs = [];
+ var prev = -1;
+ var index = 0;
+ type.flatIndexes = type.fields.map(function(field) {
+ index++;
+ var size, alignSize;
+ if (Runtime.isNumberType(field) || Runtime.isPointerType(field)) {
+ size = Runtime.getNativeTypeSize(field); // pack char; char; in structs, also char[X]s.
+ alignSize = Runtime.getAlignSize(field, size);
+ } else if (Runtime.isStructType(field)) {
+ if (field[1] === '0') {
+ // this is [0 x something]. When inside another structure like here, it must be at the end,
+ // and it adds no size
+ // XXX this happens in java-nbody for example... assert(index === type.fields.length, 'zero-length in the middle!');
+ size = 0;
+ if (Types.types[field]) {
+ alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize);
+ } else {
+ alignSize = type.alignSize || QUANTUM_SIZE;
+ }
+ } else {
+ size = Types.types[field].flatSize;
+ alignSize = Runtime.getAlignSize(null, Types.types[field].alignSize);
+ }
+ } else if (field[0] == 'b') {
+ // bN, large number field, like a [N x i8]
+ size = field.substr(1)|0;
+ alignSize = 1;
+ } else if (field[0] === '<') {
+ // vector type
+ size = alignSize = Types.types[field].flatSize; // fully aligned
+ } else if (field[0] === 'i') {
+ // illegal integer field, that could not be legalized because it is an internal structure field
+ // it is ok to have such fields, if we just use them as markers of field size and nothing more complex
+ size = alignSize = parseInt(field.substr(1))/8;
+ assert(size % 1 === 0, 'cannot handle non-byte-size field ' + field);
+ } else {
+ assert(false, 'invalid type for calculateStructAlignment');
+ }
+ if (type.packed) alignSize = 1;
+ type.alignSize = Math.max(type.alignSize, alignSize);
+ var curr = Runtime.alignMemory(type.flatSize, alignSize); // if necessary, place this on aligned memory
+ type.flatSize = curr + size;
+ if (prev >= 0) {
+ diffs.push(curr-prev);
+ }
+ prev = curr;
+ return curr;
+ });
+ if (type.name_[0] === '[') {
+ // arrays have 2 elements, so we get the proper difference. then we scale here. that way we avoid
+ // allocating a potentially huge array for [999999 x i8] etc.
+ type.flatSize = parseInt(type.name_.substr(1))*type.flatSize/2;
+ }
+ type.flatSize = Runtime.alignMemory(type.flatSize, type.alignSize);
+ if (diffs.length == 0) {
+ type.flatFactor = type.flatSize;
+ } else if (Runtime.dedup(diffs).length == 1) {
+ type.flatFactor = diffs[0];
+ }
+ type.needsFlattening = (type.flatFactor != 1);
+ return type.flatIndexes;
+ },
+ generateStructInfo: function (struct, typeName, offset) {
+ var type, alignment;
+ if (typeName) {
+ offset = offset || 0;
+ type = (typeof Types === 'undefined' ? Runtime.typeInfo : Types.types)[typeName];
+ if (!type) return null;
+ if (type.fields.length != struct.length) {
+ printErr('Number of named fields must match the type for ' + typeName + ': possibly duplicate struct names. Cannot return structInfo');
+ return null;
+ }
+ alignment = type.flatIndexes;
+ } else {
+ var type = { fields: struct.map(function(item) { return item[0] }) };
+ alignment = Runtime.calculateStructAlignment(type);
+ }
+ var ret = {
+ __size__: type.flatSize
+ };
+ if (typeName) {
+ struct.forEach(function(item, i) {
+ if (typeof item === 'string') {
+ ret[item] = alignment[i] + offset;
+ } else {
+ // embedded struct
+ var key;
+ for (var k in item) key = k;
+ ret[key] = Runtime.generateStructInfo(item[key], type.fields[i], alignment[i]);
+ }
+ });
+ } else {
+ struct.forEach(function(item, i) {
+ ret[item[1]] = alignment[i];
+ });
+ }
+ return ret;
+ },
+ dynCall: function (sig, ptr, args) {
+ if (args && args.length) {
+ if (!args.splice) args = Array.prototype.slice.call(args);
+ args.splice(0, 0, ptr);
+ return Module['dynCall_' + sig].apply(null, args);
+ } else {
+ return Module['dynCall_' + sig].call(null, ptr);
+ }
+ },
+ functionPointers: [],
+ addFunction: function (func) {
+ for (var i = 0; i < Runtime.functionPointers.length; i++) {
+ if (!Runtime.functionPointers[i]) {
+ Runtime.functionPointers[i] = func;
+ return 2*(1 + i);
+ }
+ }
+ throw 'Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS.';
+ },
+ removeFunction: function (index) {
+ Runtime.functionPointers[(index-2)/2] = null;
+ },
+ getAsmConst: function (code, numArgs) {
+ // code is a constant string on the heap, so we can cache these
+ if (!Runtime.asmConstCache) Runtime.asmConstCache = {};
+ var func = Runtime.asmConstCache[code];
+ if (func) return func;
+ var args = [];
+ for (var i = 0; i < numArgs; i++) {
+ args.push(String.fromCharCode(36) + i); // $0, $1 etc
+ }
+ return Runtime.asmConstCache[code] = eval('(function(' + args.join(',') + '){ ' + Pointer_stringify(code) + ' })'); // new Function does not allow upvars in node
+ },
+ warnOnce: function (text) {
+ if (!Runtime.warnOnce.shown) Runtime.warnOnce.shown = {};
+ if (!Runtime.warnOnce.shown[text]) {
+ Runtime.warnOnce.shown[text] = 1;
+ Module.printErr(text);
+ }
+ },
+ funcWrappers: {},
+ getFuncWrapper: function (func, sig) {
+ assert(sig);
+ if (!Runtime.funcWrappers[func]) {
+ Runtime.funcWrappers[func] = function dynCall_wrapper() {
+ return Runtime.dynCall(sig, func, arguments);
+ };
+ }
+ return Runtime.funcWrappers[func];
+ },
+ UTF8Processor: function () {
+ var buffer = [];
+ var needed = 0;
+ this.processCChar = function (code) {
+ code = code & 0xFF;
+ if (buffer.length == 0) {
+ if ((code & 0x80) == 0x00) { // 0xxxxxxx
+ return String.fromCharCode(code);
+ }
+ buffer.push(code);
+ if ((code & 0xE0) == 0xC0) { // 110xxxxx
+ needed = 1;
+ } else if ((code & 0xF0) == 0xE0) { // 1110xxxx
+ needed = 2;
+ } else { // 11110xxx
+ needed = 3;
+ }
+ return '';
+ }
+ if (needed) {
+ buffer.push(code);
+ needed--;
+ if (needed > 0) return '';
+ }
+ var c1 = buffer[0];
+ var c2 = buffer[1];
+ var c3 = buffer[2];
+ var c4 = buffer[3];
+ var ret;
+ if (buffer.length == 2) {
+ ret = String.fromCharCode(((c1 & 0x1F) << 6) | (c2 & 0x3F));
+ } else if (buffer.length == 3) {
+ ret = String.fromCharCode(((c1 & 0x0F) << 12) | ((c2 & 0x3F) << 6) | (c3 & 0x3F));
+ } else {
+ // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+ var codePoint = ((c1 & 0x07) << 18) | ((c2 & 0x3F) << 12) |
+ ((c3 & 0x3F) << 6) | (c4 & 0x3F);
+ ret = String.fromCharCode(
+ Math.floor((codePoint - 0x10000) / 0x400) + 0xD800,
+ (codePoint - 0x10000) % 0x400 + 0xDC00);
+ }
+ buffer.length = 0;
+ return ret;
+ }
+ this.processJSString = function processJSString(string) {
+ string = unescape(encodeURIComponent(string));
+ var ret = [];
+ for (var i = 0; i < string.length; i++) {
+ ret.push(string.charCodeAt(i));
+ }
+ return ret;
+ }
+ },
+ stackAlloc: function (size) { var ret = STACKTOP;STACKTOP = (STACKTOP + size)|0;STACKTOP = (((STACKTOP)+7)&-8); return ret; },
+ staticAlloc: function (size) { var ret = STATICTOP;STATICTOP = (STATICTOP + size)|0;STATICTOP = (((STATICTOP)+7)&-8); return ret; },
+ dynamicAlloc: function (size) { var ret = DYNAMICTOP;DYNAMICTOP = (DYNAMICTOP + size)|0;DYNAMICTOP = (((DYNAMICTOP)+7)&-8); if (DYNAMICTOP >= TOTAL_MEMORY) enlargeMemory();; return ret; },
+ alignMemory: function (size,quantum) { var ret = size = Math.ceil((size)/(quantum ? quantum : 8))*(quantum ? quantum : 8); return ret; },
+ makeBigInt: function (low,high,unsigned) { var ret = (unsigned ? ((+((low>>>0)))+((+((high>>>0)))*(+4294967296))) : ((+((low>>>0)))+((+((high|0)))*(+4294967296)))); return ret; },
+ GLOBAL_BASE: 8,
+ QUANTUM_SIZE: 4,
+ __dummy__: 0
+}
+//========================================
+// Runtime essentials
+//========================================
+var __THREW__ = 0; // Used in checking for thrown exceptions.
+var ABORT = false; // whether we are quitting the application. no code should run after this. set in exit() and abort()
+var EXITSTATUS = 0;
+var undef = 0;
+// tempInt is used for 32-bit signed values or smaller. tempBigInt is used
+// for 32-bit unsigned values or more than 32 bits. TODO: audit all uses of tempInt
+var tempValue, tempInt, tempBigInt, tempInt2, tempBigInt2, tempPair, tempBigIntI, tempBigIntR, tempBigIntS, tempBigIntP, tempBigIntD, tempDouble, tempFloat;
+var tempI64, tempI64b;
+var tempRet0, tempRet1, tempRet2, tempRet3, tempRet4, tempRet5, tempRet6, tempRet7, tempRet8, tempRet9;
+function assert(condition, text) {
+ if (!condition) {
+ abort('Assertion failed: ' + text);
+ }
+}
+var globalScope = this;
+// C calling interface. A convenient way to call C functions (in C files, or
+// defined with extern "C").
+//
+// Note: LLVM optimizations can inline and remove functions, after which you will not be
+// able to call them. Closure can also do so. To avoid that, add your function to
+// the exports using something like
+//
+// -s EXPORTED_FUNCTIONS='["_main", "_myfunc"]'
+//
+// @param ident The name of the C function (note that C++ functions will be name-mangled - use extern "C")
+// @param returnType The return type of the function, one of the JS types 'number', 'string' or 'array' (use 'number' for any C pointer, and
+// 'array' for JavaScript arrays and typed arrays; note that arrays are 8-bit).
+// @param argTypes An array of the types of arguments for the function (if there are no arguments, this can be ommitted). Types are as in returnType,
+// except that 'array' is not possible (there is no way for us to know the length of the array)
+// @param args An array of the arguments to the function, as native JS values (as in returnType)
+// Note that string arguments will be stored on the stack (the JS string will become a C string on the stack).
+// @return The return value, as a native JS value (as in returnType)
+function ccall(ident, returnType, argTypes, args) {
+ return ccallFunc(getCFunc(ident), returnType, argTypes, args);
+}
+Module["ccall"] = ccall;
+// Returns the C function with a specified identifier (for C++, you need to do manual name mangling)
+function getCFunc(ident) {
+ try {
+ var func = Module['_' + ident]; // closure exported function
+ if (!func) func = eval('_' + ident); // explicit lookup
+ } catch(e) {
+ }
+ assert(func, 'Cannot call unknown function ' + ident + ' (perhaps LLVM optimizations or closure removed it?)');
+ return func;
+}
+// Internal function that does a C call using a function, not an identifier
+function ccallFunc(func, returnType, argTypes, args) {
+ var stack = 0;
+ function toC(value, type) {
+ if (type == 'string') {
+ if (value === null || value === undefined || value === 0) return 0; // null string
+ value = intArrayFromString(value);
+ type = 'array';
+ }
+ if (type == 'array') {
+ if (!stack) stack = Runtime.stackSave();
+ var ret = Runtime.stackAlloc(value.length);
+ writeArrayToMemory(value, ret);
+ return ret;
+ }
+ return value;
+ }
+ function fromC(value, type) {
+ if (type == 'string') {
+ return Pointer_stringify(value);
+ }
+ assert(type != 'array');
+ return value;
+ }
+ var i = 0;
+ var cArgs = args ? args.map(function(arg) {
+ return toC(arg, argTypes[i++]);
+ }) : [];
+ var ret = fromC(func.apply(null, cArgs), returnType);
+ if (stack) Runtime.stackRestore(stack);
+ return ret;
+}
+// Returns a native JS wrapper for a C function. This is similar to ccall, but
+// returns a function you can call repeatedly in a normal way. For example:
+//
+// var my_function = cwrap('my_c_function', 'number', ['number', 'number']);
+// alert(my_function(5, 22));
+// alert(my_function(99, 12));
+//
+function cwrap(ident, returnType, argTypes) {
+ var func = getCFunc(ident);
+ return function() {
+ return ccallFunc(func, returnType, argTypes, Array.prototype.slice.call(arguments));
+ }
+}
+Module["cwrap"] = cwrap;
+// Sets a value in memory in a dynamic way at run-time. Uses the
+// type data. This is the same as makeSetValue, except that
+// makeSetValue is done at compile-time and generates the needed
+// code then, whereas this function picks the right code at
+// run-time.
+// Note that setValue and getValue only do *aligned* writes and reads!
+// Note that ccall uses JS types as for defining types, while setValue and
+// getValue need LLVM types ('i8', 'i32') - this is a lower-level operation
+function setValue(ptr, value, type, noSafe) {
+ type = type || 'i8';
+ if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
+ switch(type) {
+ case 'i1': HEAP8[(ptr)]=value; break;
+ case 'i8': HEAP8[(ptr)]=value; break;
+ case 'i16': HEAP16[((ptr)>>1)]=value; break;
+ case 'i32': HEAP32[((ptr)>>2)]=value; break;
+ case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math_abs(tempDouble))) >= (+1) ? (tempDouble > (+0) ? ((Math_min((+(Math_floor((tempDouble)/(+4294967296)))), (+4294967295)))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/(+4294967296))))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break;
+ case 'float': HEAPF32[((ptr)>>2)]=value; break;
+ case 'double': HEAPF64[((ptr)>>3)]=value; break;
+ default: abort('invalid type for setValue: ' + type);
+ }
+}
+Module['setValue'] = setValue;
+// Parallel to setValue.
+function getValue(ptr, type, noSafe) {
+ type = type || 'i8';
+ if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
+ switch(type) {
+ case 'i1': return HEAP8[(ptr)];
+ case 'i8': return HEAP8[(ptr)];
+ case 'i16': return HEAP16[((ptr)>>1)];
+ case 'i32': return HEAP32[((ptr)>>2)];
+ case 'i64': return HEAP32[((ptr)>>2)];
+ case 'float': return HEAPF32[((ptr)>>2)];
+ case 'double': return HEAPF64[((ptr)>>3)];
+ default: abort('invalid type for setValue: ' + type);
+ }
+ return null;
+}
+Module['getValue'] = getValue;
+var ALLOC_NORMAL = 0; // Tries to use _malloc()
+var ALLOC_STACK = 1; // Lives for the duration of the current function call
+var ALLOC_STATIC = 2; // Cannot be freed
+var ALLOC_DYNAMIC = 3; // Cannot be freed except through sbrk
+var ALLOC_NONE = 4; // Do not allocate
+Module['ALLOC_NORMAL'] = ALLOC_NORMAL;
+Module['ALLOC_STACK'] = ALLOC_STACK;
+Module['ALLOC_STATIC'] = ALLOC_STATIC;
+Module['ALLOC_DYNAMIC'] = ALLOC_DYNAMIC;
+Module['ALLOC_NONE'] = ALLOC_NONE;
+// allocate(): This is for internal use. You can use it yourself as well, but the interface
+// is a little tricky (see docs right below). The reason is that it is optimized
+// for multiple syntaxes to save space in generated code. So you should
+// normally not use allocate(), and instead allocate memory using _malloc(),
+// initialize it with setValue(), and so forth.
+// @slab: An array of data, or a number. If a number, then the size of the block to allocate,
+// in *bytes* (note that this is sometimes confusing: the next parameter does not
+// affect this!)
+// @types: Either an array of types, one for each byte (or 0 if no type at that position),
+// or a single type which is used for the entire block. This only matters if there
+// is initial data - if @slab is a number, then this does not matter at all and is
+// ignored.
+// @allocator: How to allocate memory, see ALLOC_*
+function allocate(slab, types, allocator, ptr) {
+ var zeroinit, size;
+ if (typeof slab === 'number') {
+ zeroinit = true;
+ size = slab;
+ } else {
+ zeroinit = false;
+ size = slab.length;
+ }
+ var singleType = typeof types === 'string' ? types : null;
+ var ret;
+ if (allocator == ALLOC_NONE) {
+ ret = ptr;
+ } else {
+ ret = [_malloc, Runtime.stackAlloc, Runtime.staticAlloc, Runtime.dynamicAlloc][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType ? 1 : types.length));
+ }
+ if (zeroinit) {
+ var ptr = ret, stop;
+ assert((ret & 3) == 0);
+ stop = ret + (size & ~3);
+ for (; ptr < stop; ptr += 4) {
+ HEAP32[((ptr)>>2)]=0;
+ }
+ stop = ret + size;
+ while (ptr < stop) {
+ HEAP8[((ptr++)|0)]=0;
+ }
+ return ret;
+ }
+ if (singleType === 'i8') {
+ if (slab.subarray || slab.slice) {
+ HEAPU8.set(slab, ret);
+ } else {
+ HEAPU8.set(new Uint8Array(slab), ret);
+ }
+ return ret;
+ }
+ var i = 0, type, typeSize, previousType;
+ while (i < size) {
+ var curr = slab[i];
+ if (typeof curr === 'function') {
+ curr = Runtime.getFunctionIndex(curr);
+ }
+ type = singleType || types[i];
+ if (type === 0) {
+ i++;
+ continue;
+ }
+ if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and one i32 later
+ setValue(ret+i, curr, type);
+ // no need to look up size unless type changes, so cache it
+ if (previousType !== type) {
+ typeSize = Runtime.getNativeTypeSize(type);
+ previousType = type;
+ }
+ i += typeSize;
+ }
+ return ret;
+}
+Module['allocate'] = allocate;
+function Pointer_stringify(ptr, /* optional */ length) {
+ // TODO: use TextDecoder
+ // Find the length, and check for UTF while doing so
+ var hasUtf = false;
+ var t;
+ var i = 0;
+ while (1) {
+ t = HEAPU8[(((ptr)+(i))|0)];
+ if (t >= 128) hasUtf = true;
+ else if (t == 0 && !length) break;
+ i++;
+ if (length && i == length) break;
+ }
+ if (!length) length = i;
+ var ret = '';
+ if (!hasUtf) {
+ var MAX_CHUNK = 1024; // split up into chunks, because .apply on a huge string can overflow the stack
+ var curr;
+ while (length > 0) {
+ curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.min(length, MAX_CHUNK)));
+ ret = ret ? ret + curr : curr;
+ ptr += MAX_CHUNK;
+ length -= MAX_CHUNK;
+ }
+ return ret;
+ }
+ var utf8 = new Runtime.UTF8Processor();
+ for (i = 0; i < length; i++) {
+ t = HEAPU8[(((ptr)+(i))|0)];
+ ret += utf8.processCChar(t);
+ }
+ return ret;
+}
+Module['Pointer_stringify'] = Pointer_stringify;
+// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns
+// a copy of that string as a Javascript String object.
+function UTF16ToString(ptr) {
+ var i = 0;
+ var str = '';
+ while (1) {
+ var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
+ if (codeUnit == 0)
+ return str;
+ ++i;
+ // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through.
+ str += String.fromCharCode(codeUnit);
+ }
+}
+Module['UTF16ToString'] = UTF16ToString;
+// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
+// null-terminated and encoded in UTF16LE form. The copy will require at most (str.length*2+1)*2 bytes of space in the HEAP.
+function stringToUTF16(str, outPtr) {
+ for(var i = 0; i < str.length; ++i) {
+ // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
+ var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
+ HEAP16[(((outPtr)+(i*2))>>1)]=codeUnit
+ }
+ // Null-terminate the pointer to the HEAP.
+ HEAP16[(((outPtr)+(str.length*2))>>1)]=0
+}
+Module['stringToUTF16'] = stringToUTF16;
+// Given a pointer 'ptr' to a null-terminated UTF32LE-encoded string in the emscripten HEAP, returns
+// a copy of that string as a Javascript String object.
+function UTF32ToString(ptr) {
+ var i = 0;
+ var str = '';
+ while (1) {
+ var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
+ if (utf32 == 0)
+ return str;
+ ++i;
+ // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
+ if (utf32 >= 0x10000) {
+ var ch = utf32 - 0x10000;
+ str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
+ } else {
+ str += String.fromCharCode(utf32);
+ }
+ }
+}
+Module['UTF32ToString'] = UTF32ToString;
+// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
+// null-terminated and encoded in UTF32LE form. The copy will require at most (str.length+1)*4 bytes of space in the HEAP,
+// but can use less, since str.length does not return the number of characters in the string, but the number of UTF-16 code units in the string.
+function stringToUTF32(str, outPtr) {
+ var iChar = 0;
+ for(var iCodeUnit = 0; iCodeUnit < str.length; ++iCodeUnit) {
+ // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
+ var codeUnit = str.charCodeAt(iCodeUnit); // possibly a lead surrogate
+ if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
+ var trailSurrogate = str.charCodeAt(++iCodeUnit);
+ codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
+ }
+ HEAP32[(((outPtr)+(iChar*4))>>2)]=codeUnit
+ ++iChar;
+ }
+ // Null-terminate the pointer to the HEAP.
+ HEAP32[(((outPtr)+(iChar*4))>>2)]=0
+}
+Module['stringToUTF32'] = stringToUTF32;
+function demangle(func) {
+ try {
+ if (typeof func === 'number') func = Pointer_stringify(func);
+ if (func[0] !== '_') return func;
+ if (func[1] !== '_') return func; // C function
+ if (func[2] !== 'Z') return func;
+ switch (func[3]) {
+ case 'n': return 'operator new()';
+ case 'd': return 'operator delete()';
+ }
+ var i = 3;
+ // params, etc.
+ var basicTypes = {
+ 'v': 'void',
+ 'b': 'bool',
+ 'c': 'char',
+ 's': 'short',
+ 'i': 'int',
+ 'l': 'long',
+ 'f': 'float',
+ 'd': 'double',
+ 'w': 'wchar_t',
+ 'a': 'signed char',
+ 'h': 'unsigned char',
+ 't': 'unsigned short',
+ 'j': 'unsigned int',
+ 'm': 'unsigned long',
+ 'x': 'long long',
+ 'y': 'unsigned long long',
+ 'z': '...'
+ };
+ function dump(x) {
+ //return;
+ if (x) Module.print(x);
+ Module.print(func);
+ var pre = '';
+ for (var a = 0; a < i; a++) pre += ' ';
+ Module.print (pre + '^');
+ }
+ var subs = [];
+ function parseNested() {
+ i++;
+ if (func[i] === 'K') i++; // ignore const
+ var parts = [];
+ while (func[i] !== 'E') {
+ if (func[i] === 'S') { // substitution
+ i++;
+ var next = func.indexOf('_', i);
+ var num = func.substring(i, next) || 0;
+ parts.push(subs[num] || '?');
+ i = next+1;
+ continue;
+ }
+ if (func[i] === 'C') { // constructor
+ parts.push(parts[parts.length-1]);
+ i += 2;
+ continue;
+ }
+ var size = parseInt(func.substr(i));
+ var pre = size.toString().length;
+ if (!size || !pre) { i--; break; } // counter i++ below us
+ var curr = func.substr(i + pre, size);
+ parts.push(curr);
+ subs.push(curr);
+ i += pre + size;
+ }
+ i++; // skip E
+ return parts;
+ }
+ var first = true;
+ function parse(rawList, limit, allowVoid) { // main parser
+ limit = limit || Infinity;
+ var ret = '', list = [];
+ function flushList() {
+ return '(' + list.join(', ') + ')';
+ }
+ var name;
+ if (func[i] === 'N') {
+ // namespaced N-E
+ name = parseNested().join('::');
+ limit--;
+ if (limit === 0) return rawList ? [name] : name;
+ } else {
+ // not namespaced
+ if (func[i] === 'K' || (first && func[i] === 'L')) i++; // ignore const and first 'L'
+ var size = parseInt(func.substr(i));
+ if (size) {
+ var pre = size.toString().length;
+ name = func.substr(i + pre, size);
+ i += pre + size;
+ }
+ }
+ first = false;
+ if (func[i] === 'I') {
+ i++;
+ var iList = parse(true);
+ var iRet = parse(true, 1, true);
+ ret += iRet[0] + ' ' + name + '<' + iList.join(', ') + '>';
+ } else {
+ ret = name;
+ }
+ paramLoop: while (i < func.length && limit-- > 0) {
+ //dump('paramLoop');
+ var c = func[i++];
+ if (c in basicTypes) {
+ list.push(basicTypes[c]);
+ } else {
+ switch (c) {
+ case 'P': list.push(parse(true, 1, true)[0] + '*'); break; // pointer
+ case 'R': list.push(parse(true, 1, true)[0] + '&'); break; // reference
+ case 'L': { // literal
+ i++; // skip basic type
+ var end = func.indexOf('E', i);
+ var size = end - i;
+ list.push(func.substr(i, size));
+ i += size + 2; // size + 'EE'
+ break;
+ }
+ case 'A': { // array
+ var size = parseInt(func.substr(i));
+ i += size.toString().length;
+ if (func[i] !== '_') throw '?';
+ i++; // skip _
+ list.push(parse(true, 1, true)[0] + ' [' + size + ']');
+ break;
+ }
+ case 'E': break paramLoop;
+ default: ret += '?' + c; break paramLoop;
+ }
+ }
+ }
+ if (!allowVoid && list.length === 1 && list[0] === 'void') list = []; // avoid (void)
+ return rawList ? list : ret + flushList();
+ }
+ return parse();
+ } catch(e) {
+ return func;
+ }
+}
+function demangleAll(text) {
+ return text.replace(/__Z[\w\d_]+/g, function(x) { var y = demangle(x); return x === y ? x : (x + ' [' + y + ']') });
+}
+function stackTrace() {
+ var stack = new Error().stack;
+ return stack ? demangleAll(stack) : '(no stack trace available)'; // Stack trace is not available at least on IE10 and Safari 6.
+}
+// Memory management
+var PAGE_SIZE = 4096;
+function alignMemoryPage(x) {
+ return (x+4095)&-4096;
+}
+var HEAP;
+var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
+var STATIC_BASE = 0, STATICTOP = 0, staticSealed = false; // static area
+var STACK_BASE = 0, STACKTOP = 0, STACK_MAX = 0; // stack area
+var DYNAMIC_BASE = 0, DYNAMICTOP = 0; // dynamic area handled by sbrk
+function enlargeMemory() {
+ abort('Cannot enlarge memory arrays in asm.js. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value ' + TOTAL_MEMORY + ', or (2) set Module.TOTAL_MEMORY before the program runs.');
+}
+var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880;
+var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 16777216;
+var FAST_MEMORY = Module['FAST_MEMORY'] || 2097152;
+// Initialize the runtime's memory
+// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
+assert(typeof Int32Array !== 'undefined' && typeof Float64Array !== 'undefined' && !!(new Int32Array(1)['subarray']) && !!(new Int32Array(1)['set']),
+ 'Cannot fallback to non-typed array case: Code is too specialized');
+var buffer = new ArrayBuffer(TOTAL_MEMORY);
+HEAP8 = new Int8Array(buffer);
+HEAP16 = new Int16Array(buffer);
+HEAP32 = new Int32Array(buffer);
+HEAPU8 = new Uint8Array(buffer);
+HEAPU16 = new Uint16Array(buffer);
+HEAPU32 = new Uint32Array(buffer);
+HEAPF32 = new Float32Array(buffer);
+HEAPF64 = new Float64Array(buffer);
+// Endianness check (note: assumes compiler arch was little-endian)
+HEAP32[0] = 255;
+assert(HEAPU8[0] === 255 && HEAPU8[3] === 0, 'Typed arrays 2 must be run on a little-endian system');
+Module['HEAP'] = HEAP;
+Module['HEAP8'] = HEAP8;
+Module['HEAP16'] = HEAP16;
+Module['HEAP32'] = HEAP32;
+Module['HEAPU8'] = HEAPU8;
+Module['HEAPU16'] = HEAPU16;
+Module['HEAPU32'] = HEAPU32;
+Module['HEAPF32'] = HEAPF32;
+Module['HEAPF64'] = HEAPF64;
+function callRuntimeCallbacks(callbacks) {
+ while(callbacks.length > 0) {
+ var callback = callbacks.shift();
+ if (typeof callback == 'function') {
+ callback();
+ continue;
+ }
+ var func = callback.func;
+ if (typeof func === 'number') {
+ if (callback.arg === undefined) {
+ Runtime.dynCall('v', func);
+ } else {
+ Runtime.dynCall('vi', func, [callback.arg]);
+ }
+ } else {
+ func(callback.arg === undefined ? null : callback.arg);
+ }
+ }
+}
+var __ATPRERUN__ = []; // functions called before the runtime is initialized
+var __ATINIT__ = []; // functions called during startup
+var __ATMAIN__ = []; // functions called when main() is to be run
+var __ATEXIT__ = []; // functions called during shutdown
+var __ATPOSTRUN__ = []; // functions called after the runtime has exited
+var runtimeInitialized = false;
+function preRun() {
+ // compatibility - merge in anything from Module['preRun'] at this time
+ if (Module['preRun']) {
+ if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
+ while (Module['preRun'].length) {
+ addOnPreRun(Module['preRun'].shift());
+ }
+ }
+ callRuntimeCallbacks(__ATPRERUN__);
+}
+function ensureInitRuntime() {
+ if (runtimeInitialized) return;
+ runtimeInitialized = true;
+ callRuntimeCallbacks(__ATINIT__);
+}
+function preMain() {
+ callRuntimeCallbacks(__ATMAIN__);
+}
+function exitRuntime() {
+ callRuntimeCallbacks(__ATEXIT__);
+}
+function postRun() {
+ // compatibility - merge in anything from Module['postRun'] at this time
+ 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);
+}
+Module['addOnPreRun'] = Module.addOnPreRun = addOnPreRun;
+function addOnInit(cb) {
+ __ATINIT__.unshift(cb);
+}
+Module['addOnInit'] = Module.addOnInit = addOnInit;
+function addOnPreMain(cb) {
+ __ATMAIN__.unshift(cb);
+}
+Module['addOnPreMain'] = Module.addOnPreMain = addOnPreMain;
+function addOnExit(cb) {
+ __ATEXIT__.unshift(cb);
+}
+Module['addOnExit'] = Module.addOnExit = addOnExit;
+function addOnPostRun(cb) {
+ __ATPOSTRUN__.unshift(cb);
+}
+Module['addOnPostRun'] = Module.addOnPostRun = addOnPostRun;
+// Tools
+// This processes a JS string into a C-line array of numbers, 0-terminated.
+// For LLVM-originating strings, see parser.js:parseLLVMString function
+function intArrayFromString(stringy, dontAddNull, length /* optional */) {
+ var ret = (new Runtime.UTF8Processor()).processJSString(stringy);
+ if (length) {
+ ret.length = length;
+ }
+ if (!dontAddNull) {
+ ret.push(0);
+ }
+ return ret;
+}
+Module['intArrayFromString'] = intArrayFromString;
+function intArrayToString(array) {
+ var ret = [];
+ for (var i = 0; i < array.length; i++) {
+ var chr = array[i];
+ if (chr > 0xFF) {
+ chr &= 0xFF;
+ }
+ ret.push(String.fromCharCode(chr));
+ }
+ return ret.join('');
+}
+Module['intArrayToString'] = intArrayToString;
+// Write a Javascript array to somewhere in the heap
+function writeStringToMemory(string, buffer, dontAddNull) {
+ var array = intArrayFromString(string, dontAddNull);
+ var i = 0;
+ while (i < array.length) {
+ var chr = array[i];
+ HEAP8[(((buffer)+(i))|0)]=chr
+ i = i + 1;
+ }
+}
+Module['writeStringToMemory'] = writeStringToMemory;
+function writeArrayToMemory(array, buffer) {
+ for (var i = 0; i < array.length; i++) {
+ HEAP8[(((buffer)+(i))|0)]=array[i];
+ }
+}
+Module['writeArrayToMemory'] = writeArrayToMemory;
+function writeAsciiToMemory(str, buffer, dontAddNull) {
+ for (var i = 0; i < str.length; i++) {
+ HEAP8[(((buffer)+(i))|0)]=str.charCodeAt(i)
+ }
+ if (!dontAddNull) HEAP8[(((buffer)+(str.length))|0)]=0
+}
+Module['writeAsciiToMemory'] = writeAsciiToMemory;
+function unSign(value, bits, ignore, sig) {
+ if (value >= 0) {
+ return value;
+ }
+ return bits <= 32 ? 2*Math.abs(1 << (bits-1)) + value // Need some trickery, since if bits == 32, we are right at the limit of the bits JS uses in bitshifts
+ : Math.pow(2, bits) + value;
+}
+function reSign(value, bits, ignore, sig) {
+ if (value <= 0) {
+ return value;
+ }
+ var half = bits <= 32 ? Math.abs(1 << (bits-1)) // abs is needed if bits == 32
+ : Math.pow(2, bits-1);
+ if (value >= half && (bits <= 32 || value > half)) { // for huge values, we can hit the precision limit and always get true here. so don't do that
+ // but, in general there is no perfect solution here. With 64-bit ints, we get rounding and errors
+ // TODO: In i64 mode 1, resign the two parts separately and safely
+ value = -2*half + value; // Cannot bitshift half, as it may be at the limit of the bits JS uses in bitshifts
+ }
+ return value;
+}
+if (!Math['imul']) Math['imul'] = function imul(a, b) {
+ var ah = a >>> 16;
+ var al = a & 0xffff;
+ var bh = b >>> 16;
+ var bl = b & 0xffff;
+ return (al*bl + ((ah*bl + al*bh) << 16))|0;
+};
+Math.imul = Math['imul'];
+var Math_abs = Math.abs;
+var Math_cos = Math.cos;
+var Math_sin = Math.sin;
+var Math_tan = Math.tan;
+var Math_acos = Math.acos;
+var Math_asin = Math.asin;
+var Math_atan = Math.atan;
+var Math_atan2 = Math.atan2;
+var Math_exp = Math.exp;
+var Math_log = Math.log;
+var Math_sqrt = Math.sqrt;
+var Math_ceil = Math.ceil;
+var Math_floor = Math.floor;
+var Math_pow = Math.pow;
+var Math_imul = Math.imul;
+var Math_fround = Math.fround;
+var Math_min = Math.min;
+// A counter of dependencies for calling run(). If we need to
+// do asynchronous work before running, increment this and
+// decrement it. Incrementing must happen in a place like
+// PRE_RUN_ADDITIONS (used by emcc to add file preloading).
+// Note that you can add dependencies in preRun, even though
+// it happens right before run - run will be postponed until
+// the dependencies are met.
+var runDependencies = 0;
+var runDependencyWatcher = null;
+var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
+function addRunDependency(id) {
+ runDependencies++;
+ if (Module['monitorRunDependencies']) {
+ Module['monitorRunDependencies'](runDependencies);
+ }
+}
+Module['addRunDependency'] = addRunDependency;
+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(); // can add another dependenciesFulfilled
+ }
+ }
+}
+Module['removeRunDependency'] = removeRunDependency;
+Module["preloadedImages"] = {}; // maps url to image data
+Module["preloadedAudios"] = {}; // maps url to audio data
+var memoryInitializer = null;
+// === Body ===
+STATIC_BASE = 8;
+STATICTOP = STATIC_BASE + 7624;
+/* global initializers */ __ATINIT__.push({ func: function() { runPostSets() } });
+/* memory initializer */ allocate([22,6,117,117,36,36,36,36,83,83,83,83,83,83,83,83,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,98,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,134,6,37,37,20,20,20,20,115,115,115,115,115,115,115,115,99,99,99,99,99,99,99,99,51,51,51,51,51,51,51,51,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,150,6,21,21,116,116,116,116,131,131,131,131,131,131,131,131,99,99,99,99,99,99,99,99,67,67,67,67,67,67,67,67,51,51,51,51,51,51,51,51,35,35,35,35,35,35,35,35,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,82,166,6,21,21,132,132,132,132,147,147,147,147,147,147,147,147,115,115,115,115,115,115,115,115,99,99,99,99,99,99,99,99,83,83,83,83,83,83,83,83,67,67,67,67,67,67,67,67,51,51,51,51,51,51,51,51,35,35,35,35,35,35,35,35,181,149,164,164,132,132,36,36,20,20,4,4,115,115,115,115,99,99,99,99,83,83,83,83,67,67,67,67,51,51,51,51,197,181,165,5,148,148,116,116,52,52,36,36,131,131,131,131,99,99,99,99,83,83,83,83,67,67,67,67,19,19,19,19,214,182,197,197,165,165,149,149,132,132,132,132,84,84,84,84,68,68,68,68,4,4,4,4,115,115,115,115,115,115,115,115,99,99,99,99,99,99,99,99,51,51,51,51,51,51,51,51,35,35,35,35,35,35,35,35,19,19,19,19,19,19,19,19,230,214,198,182,165,165,149,149,132,132,132,132,116,116,116,116,100,100,100,100,84,84,84,84,67,67,67,67,67,67,67,67,51,51,51,51,51,51,51,51,35,35,35,35,35,35,35,35,19,19,19,19,19,19,19,19,3,3,3,3,3,3,3,3,0,249,233,217,200,200,184,184,167,167,167,167,151,151,151,151,134,134,134,134,134,134,134,134,118,118,118,118,118,118,118,118,0,0,101,85,68,68,52,52,35,35,35,35,19,19,19,19,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,18,33,33,0,0,0,0,3,19,50,50,33,33,33,33,4,20,67,67,34,34,34,34,49,49,49,49,49,49,49,49,4,20,35,35,51,51,83,83,65,65,65,65,65,65,65,65,21,5,100,100,35,35,35,35,82,82,82,82,82,82,82,82,66,66,66,66,66,66,66,66,50,50,50,50,50,50,50,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,1,0,0,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,2,1,1,2,1,1,2,1,2,3,1,2,3,2,2,3,2,2,4,2,3,4,2,3,4,3,3,5,3,4,6,3,4,6,4,5,7,4,5,8,4,6,9,5,7,10,6,8,11,6,8,13,7,10,14,8,11,16,9,12,18,10,13,20,11,15,23,13,17,25,0,0,0,0,1,0,0,0,2,0,0,0,4,0,0,0,8,0,0,0,16,0,0,0,32,0,0,0,64,0,0,0,128,0,0,0,19,35,67,51,99,83,2,2,83,67,51,35,18,18,2,2,67,51,34,34,18,18,2,2,50,34,18,2,0,0,0,0,34,18,1,1,0,0,0,0,17,1,0,0,0,0,0,0,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,2,2,2,2,2,2,3,3,3,3,3,3,4,4,4,4,4,4,5,5,5,5,5,5,6,6,6,6,6,6,7,7,7,7,7,7,8,8,8,8,0,0,0,0,0,0,0,0,1,0,0,0,2,0,0,0,3,0,0,0,4,0,0,0,5,0,0,0,6,0,0,0,7,0,0,0,8,0,0,0,9,0,0,0,10,0,0,0,11,0,0,0,12,0,0,0,13,0,0,0,14,0,0,0,15,0,0,0,10,0,0,0,13,0,0,0,16,0,0,0,11,0,0,0,14,0,0,0,18,0,0,0,13,0,0,0,16,0,0,0,20,0,0,0,14,0,0,0,18,0,0,0,23,0,0,0,16,0,0,0,20,0,0,0,25,0,0,0,18,0,0,0,23,0,0,0,29,0,0,0,0,0,0,0,1,0,0,0,2,0,0,0,3,0,0,0,4,0,0,0,5,0,0,0,6,0,0,0,7,0,0,0,8,0,0,0,9,0,0,0,10,0,0,0,11,0,0,0,12,0,0,0,13,0,0,0,14,0,0,0,15,0,0,0,16,0,0,0,17,0,0,0,18,0,0,0,19,0,0,0,20,0,0,0,21,0,0,0,22,0,0,0,23,0,0,0,24,0,0,0,25,0,0,0,26,0,0,0,27,0,0,0,28,0,0,0,29,0,0,0,29,0,0,0,30,0,0,0,31,0,0,0,32,0,0,0,32,0,0,0,33,0,0,0,34,0,0,0,34,0,0,0,35,0,0,0,35,0,0,0,36,0,0,0,36,0,0,0,37,0,0,0,37,0,0,0,37,0,0,0,38,0,0,0,38,0,0,0,38,0,0,0,39,0,0,0,39,0,0,0,39,0,0,0,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
\ No newline at end of file
+var tempDoublePtr = Runtime.alignMemory(allocate(12, "i8", ALLOC_STATIC), 8);
+assert(tempDoublePtr % 8 == 0);
+function copyTempFloat(ptr) { // functions, because inlining this code increases code size too much
+ HEAP8[tempDoublePtr] = HEAP8[ptr];
+ HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
+ HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
+ HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
+}
+function copyTempDouble(ptr) {
+ HEAP8[tempDoublePtr] = HEAP8[ptr];
+ HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
+ HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
+ HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
+ HEAP8[tempDoublePtr+4] = HEAP8[ptr+4];
+ HEAP8[tempDoublePtr+5] = HEAP8[ptr+5];
+ HEAP8[tempDoublePtr+6] = HEAP8[ptr+6];
+ HEAP8[tempDoublePtr+7] = HEAP8[ptr+7];
+}
+ Module["_memset"] = _memset;var _llvm_memset_p0i8_i32=_memset;
+ Module["_memcpy"] = _memcpy;var _llvm_memcpy_p0i8_p0i8_i32=_memcpy;
+ var _llvm_memset_p0i8_i64=_memset;
+ function _llvm_lifetime_start() {}
+ function _llvm_lifetime_end() {}
+ function _abort() {
+ Module['abort']();
+ }
+ var ___errno_state=0;function ___setErrNo(value) {
+ // For convenient setting and returning of errno.
+ HEAP32[((___errno_state)>>2)]=value
+ return value;
+ }function ___errno_location() {
+ return ___errno_state;
+ }
+ function _sbrk(bytes) {
+ // Implement a Linux-like 'memory area' for our 'process'.
+ // Changes the size of the memory area by |bytes|; returns the
+ // address of the previous top ('break') of the memory area
+ // We control the "dynamic" memory - DYNAMIC_BASE to DYNAMICTOP
+ var self = _sbrk;
+ if (!self.called) {
+ DYNAMICTOP = alignMemoryPage(DYNAMICTOP); // make sure we start out aligned
+ self.called = true;
+ assert(Runtime.dynamicAlloc);
+ self.alloc = Runtime.dynamicAlloc;
+ Runtime.dynamicAlloc = function() { abort('cannot dynamically allocate, sbrk now has control') };
+ }
+ var ret = DYNAMICTOP;
+ if (bytes != 0) self.alloc(bytes);
+ return ret; // Previous break location.
+ }
+ var ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXEC:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENOTBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENFILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLINK:31,EPIPE:32,EDOM:33,ERANGE:34,ENOMSG:42,EIDRM:43,ECHRNG:44,EL2NSYNC:45,EL3HLT:46,EL3RST:47,ELNRNG:48,EUNATCH:49,ENOCSI:50,EL2HLT:51,EDEADLK:35,ENOLCK:37,EBADE:52,EBADR:53,EXFULL:54,ENOANO:55,EBADRQC:56,EBADSLT:57,EDEADLOCK:35,EBFONT:59,ENOSTR:60,ENODATA:61,ETIME:62,ENOSR:63,ENONET:64,ENOPKG:65,EREMOTE:66,ENOLINK:67,EADV:68,ESRMNT:69,ECOMM:70,EPROTO:71,EMULTIHOP:72,EDOTDOT:73,EBADMSG:74,ENOTUNIQ:76,EBADFD:77,EREMCHG:78,ELIBACC:79,ELIBBAD:80,ELIBSCN:81,ELIBMAX:82,ELIBEXEC:83,ENOSYS:38,ENOTEMPTY:39,ENAMETOOLONG:36,ELOOP:40,EOPNOTSUPP:95,EPFNOSUPPORT:96,ECONNRESET:104,ENOBUFS:105,EAFNOSUPPORT:97,EPROTOTYPE:91,ENOTSOCK:88,ENOPROTOOPT:92,ESHUTDOWN:108,ECONNREFUSED:111,EADDRINUSE:98,ECONNABORTED:103,ENETUNREACH:101,ENETDOWN:100,ETIMEDOUT:110,EHOSTDOWN:112,EHOSTUNREACH:113,EINPROGRESS:115,EALREADY:114,EDESTADDRREQ:89,EMSGSIZE:90,EPROTONOSUPPORT:93,ESOCKTNOSUPPORT:94,EADDRNOTAVAIL:99,ENETRESET:102,EISCONN:106,ENOTCONN:107,ETOOMANYREFS:109,EUSERS:87,EDQUOT:122,ESTALE:116,ENOTSUP:95,ENOMEDIUM:123,EILSEQ:84,EOVERFLOW:75,ECANCELED:125,ENOTRECOVERABLE:131,EOWNERDEAD:130,ESTRPIPE:86};function _sysconf(name) {
+ // long sysconf(int name);
+ // http://pubs.opengroup.org/onlinepubs/009695399/functions/sysconf.html
+ switch(name) {
+ case 30: return PAGE_SIZE;
+ case 132:
+ case 133:
+ case 12:
+ case 137:
+ case 138:
+ case 15:
+ case 235:
+ case 16:
+ case 17:
+ case 18:
+ case 19:
+ case 20:
+ case 149:
+ case 13:
+ case 10:
+ case 236:
+ case 153:
+ case 9:
+ case 21:
+ case 22:
+ case 159:
+ case 154:
+ case 14:
+ case 77:
+ case 78:
+ case 139:
+ case 80:
+ case 81:
+ case 79:
+ case 82:
+ case 68:
+ case 67:
+ case 164:
+ case 11:
+ case 29:
+ case 47:
+ case 48:
+ case 95:
+ case 52:
+ case 51:
+ case 46:
+ return 200809;
+ case 27:
+ case 246:
+ case 127:
+ case 128:
+ case 23:
+ case 24:
+ case 160:
+ case 161:
+ case 181:
+ case 182:
+ case 242:
+ case 183:
+ case 184:
+ case 243:
+ case 244:
+ case 245:
+ case 165:
+ case 178:
+ case 179:
+ case 49:
+ case 50:
+ case 168:
+ case 169:
+ case 175:
+ case 170:
+ case 171:
+ case 172:
+ case 97:
+ case 76:
+ case 32:
+ case 173:
+ case 35:
+ return -1;
+ case 176:
+ case 177:
+ case 7:
+ case 155:
+ case 8:
+ case 157:
+ case 125:
+ case 126:
+ case 92:
+ case 93:
+ case 129:
+ case 130:
+ case 131:
+ case 94:
+ case 91:
+ return 1;
+ case 74:
+ case 60:
+ case 69:
+ case 70:
+ case 4:
+ return 1024;
+ case 31:
+ case 42:
+ case 72:
+ return 32;
+ case 87:
+ case 26:
+ case 33:
+ return 2147483647;
+ case 34:
+ case 1:
+ return 47839;
+ case 38:
+ case 36:
+ return 99;
+ case 43:
+ case 37:
+ return 2048;
+ case 0: return 2097152;
+ case 3: return 65536;
+ case 28: return 32768;
+ case 44: return 32767;
+ case 75: return 16384;
+ case 39: return 1000;
+ case 89: return 700;
+ case 71: return 256;
+ case 40: return 255;
+ case 2: return 100;
+ case 180: return 64;
+ case 25: return 20;
+ case 5: return 16;
+ case 6: return 6;
+ case 73: return 4;
+ case 84: return 1;
+ }
+ ___setErrNo(ERRNO_CODES.EINVAL);
+ return -1;
+ }
+ function _time(ptr) {
+ var ret = Math.floor(Date.now()/1000);
+ if (ptr) {
+ HEAP32[((ptr)>>2)]=ret
+ }
+ return ret;
+ }
+ Module["_strlen"] = _strlen;
+ var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or directory",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such device or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",10:"No children",11:"No more processes",12:"Not enough core",13:"Permission denied",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File exists",18:"Cross-device link",19:"No such device",20:"Not a directory",21:"Is a directory",22:"Invalid argument",23:"Too many open files in system",24:"Too many open files",25:"Not a typewriter",26:"Text file busy",27:"File too large",28:"No space left on device",29:"Illegal seek",30:"Read only file system",31:"Too many links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result not representable",35:"File locking deadlock error",36:"File or path name too long",37:"No record locks available",38:"Function not implemented",39:"Directory not empty",40:"Too many symbolic links",42:"No message of desired type",43:"Identifier removed",44:"Channel number out of range",45:"Level 2 not synchronized",46:"Level 3 halted",47:"Level 3 reset",48:"Link number out of range",49:"Protocol driver not attached",50:"No CSI structure available",51:"Level 2 halted",52:"Invalid exchange",53:"Invalid request descriptor",54:"Exchange full",55:"No anode",56:"Invalid request code",57:"Invalid slot",59:"Bad font file fmt",60:"Device not a stream",61:"No data (for no delay io)",62:"Timer expired",63:"Out of streams resources",64:"Machine is not on the network",65:"Package not installed",66:"The object is remote",67:"The link has been severed",68:"Advertise error",69:"Srmount error",70:"Communication error on send",71:"Protocol error",72:"Multihop attempted",73:"Cross mount point (not really error)",74:"Trying to read unreadable message",75:"Value too large for defined data type",76:"Given log. name not unique",77:"f.d. invalid for this operation",78:"Remote address changed",79:"Can access a needed shared lib",80:"Accessing a corrupted shared lib",81:".lib section in a.out corrupted",82:"Attempting to link in too many libs",83:"Attempting to exec a shared library",84:"Illegal byte sequence",86:"Streams pipe error",87:"Too many users",88:"Socket operation on non-socket",89:"Destination address required",90:"Message too long",91:"Protocol wrong type for socket",92:"Protocol not available",93:"Unknown protocol",94:"Socket type not supported",95:"Not supported",96:"Protocol family not supported",97:"Address family not supported by protocol family",98:"Address already in use",99:"Address not available",100:"Network interface is not configured",101:"Network is unreachable",102:"Connection reset by network",103:"Connection aborted",104:"Connection reset by peer",105:"No buffer space available",106:"Socket is already connected",107:"Socket is not connected",108:"Can't send after socket shutdown",109:"Too many references",110:"Connection timed out",111:"Connection refused",112:"Host is down",113:"Host is unreachable",114:"Socket already connected",115:"Connection already in progress",116:"Stale file handle",122:"Quota exceeded",123:"No medium (in tape drive)",125:"Operation canceled",130:"Previous owner died",131:"State not recoverable"};
+ var TTY={ttys:[],init:function () {
+ // https://github.com/kripken/emscripten/pull/1555
+ // if (ENVIRONMENT_IS_NODE) {
+ // // currently, FS.init does not distinguish if process.stdin is a file or TTY
+ // // device, it always assumes it's a TTY device. because of this, we're forcing
+ // // process.stdin to UTF8 encoding to at least make stdin reading compatible
+ // // with text files until FS.init can be refactored.
+ // process['stdin']['setEncoding']('utf8');
+ // }
+ },shutdown:function () {
+ // https://github.com/kripken/emscripten/pull/1555
+ // if (ENVIRONMENT_IS_NODE) {
+ // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
+ // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
+ // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
+ // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
+ // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
+ // process['stdin']['pause']();
+ // }
+ },register:function (dev, ops) {
+ TTY.ttys[dev] = { input: [], output: [], ops: ops };
+ FS.registerDevice(dev, TTY.stream_ops);
+ },stream_ops:{open:function (stream) {
+ var tty = TTY.ttys[stream.node.rdev];
+ if (!tty) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
+ }
+ stream.tty = tty;
+ stream.seekable = false;
+ },close:function (stream) {
+ // flush any pending line data
+ if (stream.tty.output.length) {
+ stream.tty.ops.put_char(stream.tty, 10);
+ }
+ },read:function (stream, buffer, offset, length, pos /* ignored */) {
+ if (!stream.tty || !stream.tty.ops.get_char) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
+ }
+ 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(ERRNO_CODES.EIO);
+ }
+ if (result === undefined && bytesRead === 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+ }
+ if (result === null || result === undefined) break;
+ bytesRead++;
+ buffer[offset+i] = result;
+ }
+ if (bytesRead) {
+ stream.node.timestamp = Date.now();
+ }
+ return bytesRead;
+ },write:function (stream, buffer, offset, length, pos) {
+ if (!stream.tty || !stream.tty.ops.put_char) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
+ }
+ for (var i = 0; i < length; i++) {
+ try {
+ stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
+ } catch (e) {
+ throw new FS.ErrnoError(ERRNO_CODES.EIO);
+ }
+ }
+ if (length) {
+ stream.node.timestamp = Date.now();
+ }
+ return i;
+ }},default_tty_ops:{get_char:function (tty) {
+ if (!tty.input.length) {
+ var result = null;
+ if (ENVIRONMENT_IS_NODE) {
+ result = process['stdin']['read']();
+ if (!result) {
+ if (process['stdin']['_readableState'] && process['stdin']['_readableState']['ended']) {
+ return null; // EOF
+ }
+ return undefined; // no data available
+ }
+ } else if (typeof window != 'undefined' &&
+ typeof window.prompt == 'function') {
+ // Browser.
+ result = window.prompt('Input: '); // returns null on cancel
+ if (result !== null) {
+ result += '\n';
+ }
+ } else if (typeof readline == 'function') {
+ // Command line.
+ result = readline();
+ if (result !== null) {
+ result += '\n';
+ }
+ }
+ if (!result) {
+ return null;
+ }
+ tty.input = intArrayFromString(result, true);
+ }
+ return tty.input.shift();
+ },put_char:function (tty, val) {
+ if (val === null || val === 10) {
+ Module['print'](tty.output.join(''));
+ tty.output = [];
+ } else {
+ tty.output.push(TTY.utf8.processCChar(val));
+ }
+ }},default_tty1_ops:{put_char:function (tty, val) {
+ if (val === null || val === 10) {
+ Module['printErr'](tty.output.join(''));
+ tty.output = [];
+ } else {
+ tty.output.push(TTY.utf8.processCChar(val));
+ }
+ }}};
+ var MEMFS={ops_table:null,CONTENT_OWNING:1,CONTENT_FLEXIBLE:2,CONTENT_FIXED:3,mount:function (mount) {
+ return MEMFS.createNode(null, '/', 16384 | 0777, 0);
+ },createNode:function (parent, name, mode, dev) {
+ if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
+ // no supported
+ throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+ }
+ 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,
+ 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
+ }
+ },
+ 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.contents = [];
+ node.contentMode = MEMFS.CONTENT_FLEXIBLE;
+ } 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();
+ // add the new node to the parent
+ if (parent) {
+ parent.contents[name] = node;
+ }
+ return node;
+ },ensureFlexible:function (node) {
+ if (node.contentMode !== MEMFS.CONTENT_FLEXIBLE) {
+ var contents = node.contents;
+ node.contents = Array.prototype.slice.call(contents);
+ node.contentMode = MEMFS.CONTENT_FLEXIBLE;
+ }
+ },node_ops:{getattr:function (node) {
+ var attr = {};
+ // device numbers reuse inode numbers.
+ 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.contents.length;
+ } 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);
+ // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
+ // but this is not required by the standard.
+ attr.blksize = 4096;
+ attr.blocks = Math.ceil(attr.size / attr.blksize);
+ return attr;
+ },setattr:function (node, attr) {
+ if (attr.mode !== undefined) {
+ node.mode = attr.mode;
+ }
+ if (attr.timestamp !== undefined) {
+ node.timestamp = attr.timestamp;
+ }
+ if (attr.size !== undefined) {
+ MEMFS.ensureFlexible(node);
+ var contents = node.contents;
+ if (attr.size < contents.length) contents.length = attr.size;
+ else while (attr.size > contents.length) contents.push(0);
+ }
+ },lookup:function (parent, name) {
+ throw FS.genericErrors[ERRNO_CODES.ENOENT];
+ },mknod:function (parent, name, mode, dev) {
+ return MEMFS.createNode(parent, name, mode, dev);
+ },rename:function (old_node, new_dir, new_name) {
+ // if we're overwriting a directory at new_name, make sure it's empty.
+ 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(ERRNO_CODES.ENOTEMPTY);
+ }
+ }
+ }
+ // do the internal rewiring
+ 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 (parent, name) {
+ delete parent.contents[name];
+ },rmdir:function (parent, name) {
+ var node = FS.lookupNode(parent, name);
+ for (var i in node.contents) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
+ }
+ delete parent.contents[name];
+ },readdir:function (node) {
+ var entries = ['.', '..']
+ for (var key in node.contents) {
+ if (!node.contents.hasOwnProperty(key)) {
+ continue;
+ }
+ entries.push(key);
+ }
+ return entries;
+ },symlink:function (parent, newname, oldpath) {
+ var node = MEMFS.createNode(parent, newname, 0777 | 40960, 0);
+ node.link = oldpath;
+ return node;
+ },readlink:function (node) {
+ if (!FS.isLink(node.mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ return node.link;
+ }},stream_ops:{read:function (stream, buffer, offset, length, position) {
+ var contents = stream.node.contents;
+ if (position >= contents.length)
+ return 0;
+ var size = Math.min(contents.length - position, length);
+ assert(size >= 0);
+ if (size > 8 && contents.subarray) { // non-trivial, and typed array
+ 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 (stream, buffer, offset, length, position, canOwn) {
+ var node = stream.node;
+ node.timestamp = Date.now();
+ var contents = node.contents;
+ if (length && contents.length === 0 && position === 0 && buffer.subarray) {
+ // just replace it with the new data
+ if (canOwn && offset === 0) {
+ node.contents = buffer; // this could be a subarray of Emscripten HEAP, or allocated from some other source.
+ node.contentMode = (buffer.buffer === HEAP8.buffer) ? MEMFS.CONTENT_OWNING : MEMFS.CONTENT_FIXED;
+ } else {
+ node.contents = new Uint8Array(buffer.subarray(offset, offset+length));
+ node.contentMode = MEMFS.CONTENT_FIXED;
+ }
+ return length;
+ }
+ MEMFS.ensureFlexible(node);
+ var contents = node.contents;
+ while (contents.length < position) contents.push(0);
+ for (var i = 0; i < length; i++) {
+ contents[position + i] = buffer[offset + i];
+ }
+ return length;
+ },llseek:function (stream, offset, whence) {
+ var position = offset;
+ if (whence === 1) { // SEEK_CUR.
+ position += stream.position;
+ } else if (whence === 2) { // SEEK_END.
+ if (FS.isFile(stream.node.mode)) {
+ position += stream.node.contents.length;
+ }
+ }
+ if (position < 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ stream.ungotten = [];
+ stream.position = position;
+ return position;
+ },allocate:function (stream, offset, length) {
+ MEMFS.ensureFlexible(stream.node);
+ var contents = stream.node.contents;
+ var limit = offset + length;
+ while (limit > contents.length) contents.push(0);
+ },mmap:function (stream, buffer, offset, length, position, prot, flags) {
+ if (!FS.isFile(stream.node.mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
+ }
+ var ptr;
+ var allocated;
+ var contents = stream.node.contents;
+ // Only make a new copy when MAP_PRIVATE is specified.
+ if ( !(flags & 2) &&
+ (contents.buffer === buffer || contents.buffer === buffer.buffer) ) {
+ // We can't emulate MAP_SHARED when the file is not backed by the buffer
+ // we're mapping to (e.g. the HEAP buffer).
+ allocated = false;
+ ptr = contents.byteOffset;
+ } else {
+ // Try to avoid unnecessary slices.
+ 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 = _malloc(length);
+ if (!ptr) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOMEM);
+ }
+ buffer.set(contents, ptr);
+ }
+ return { ptr: ptr, allocated: allocated };
+ }}};
+ var IDBFS={dbs:{},indexedDB:function () {
+ return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
+ },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",mount:function (mount) {
+ return MEMFS.mount.apply(null, arguments);
+ },syncfs:function (mount, populate, callback) {
+ IDBFS.getLocalSet(mount, function(err, local) {
+ if (err) return callback(err);
+ IDBFS.getRemoteSet(mount, function(err, remote) {
+ if (err) return callback(err);
+ var src = populate ? remote : local;
+ var dst = populate ? local : remote;
+ IDBFS.reconcile(src, dst, callback);
+ });
+ });
+ },reconcile:function (src, dst, callback) {
+ var total = 0;
+ var create = {};
+ for (var key in src.files) {
+ if (!src.files.hasOwnProperty(key)) continue;
+ var e = src.files[key];
+ var e2 = dst.files[key];
+ if (!e2 || e.timestamp > e2.timestamp) {
+ create[key] = e;
+ total++;
+ }
+ }
+ var remove = {};
+ for (var key in dst.files) {
+ if (!dst.files.hasOwnProperty(key)) continue;
+ var e = dst.files[key];
+ var e2 = src.files[key];
+ if (!e2) {
+ remove[key] = e;
+ total++;
+ }
+ }
+ if (!total) {
+ // early out
+ return callback(null);
+ }
+ var completed = 0;
+ function done(err) {
+ if (err) return callback(err);
+ if (++completed >= total) {
+ return callback(null);
+ }
+ };
+ // create a single transaction to handle and IDB reads / writes we'll need to do
+ var db = src.type === 'remote' ? src.db : dst.db;
+ var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readwrite');
+ transaction.onerror = function transaction_onerror() { callback(this.error); };
+ var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
+ for (var path in create) {
+ if (!create.hasOwnProperty(path)) continue;
+ var entry = create[path];
+ if (dst.type === 'local') {
+ // save file to local
+ try {
+ if (FS.isDir(entry.mode)) {
+ FS.mkdir(path, entry.mode);
+ } else if (FS.isFile(entry.mode)) {
+ var stream = FS.open(path, 'w+', 0666);
+ FS.write(stream, entry.contents, 0, entry.contents.length, 0, true /* canOwn */);
+ FS.close(stream);
+ }
+ done(null);
+ } catch (e) {
+ return done(e);
+ }
+ } else {
+ // save file to IDB
+ var req = store.put(entry, path);
+ req.onsuccess = function req_onsuccess() { done(null); };
+ req.onerror = function req_onerror() { done(this.error); };
+ }
+ }
+ for (var path in remove) {
+ if (!remove.hasOwnProperty(path)) continue;
+ var entry = remove[path];
+ if (dst.type === 'local') {
+ // delete file from local
+ try {
+ if (FS.isDir(entry.mode)) {
+ // TODO recursive delete?
+ FS.rmdir(path);
+ } else if (FS.isFile(entry.mode)) {
+ FS.unlink(path);
+ }
+ done(null);
+ } catch (e) {
+ return done(e);
+ }
+ } else {
+ // delete file from IDB
+ var req = store.delete(path);
+ req.onsuccess = function req_onsuccess() { done(null); };
+ req.onerror = function req_onerror() { done(this.error); };
+ }
+ }
+ },getLocalSet:function (mount, callback) {
+ var files = {};
+ function isRealDir(p) {
+ return p !== '.' && p !== '..';
+ };
+ function toAbsolute(root) {
+ return function(p) {
+ return PATH.join2(root, p);
+ }
+ };
+ var check = FS.readdir(mount.mountpoint)
+ .filter(isRealDir)
+ .map(toAbsolute(mount.mountpoint));
+ while (check.length) {
+ var path = check.pop();
+ var stat, node;
+ try {
+ var lookup = FS.lookupPath(path);
+ node = lookup.node;
+ stat = FS.stat(path);
+ } catch (e) {
+ return callback(e);
+ }
+ if (FS.isDir(stat.mode)) {
+ check.push.apply(check, FS.readdir(path)
+ .filter(isRealDir)
+ .map(toAbsolute(path)));
+ files[path] = { mode: stat.mode, timestamp: stat.mtime };
+ } else if (FS.isFile(stat.mode)) {
+ files[path] = { contents: node.contents, mode: stat.mode, timestamp: stat.mtime };
+ } else {
+ return callback(new Error('node type not supported'));
+ }
+ }
+ return callback(null, { type: 'local', files: files });
+ },getDB:function (name, callback) {
+ // look it up in the cache
+ var db = IDBFS.dbs[name];
+ if (db) {
+ return callback(null, db);
+ }
+ var req;
+ try {
+ req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION);
+ } catch (e) {
+ return onerror(e);
+ }
+ req.onupgradeneeded = function req_onupgradeneeded() {
+ db = req.result;
+ db.createObjectStore(IDBFS.DB_STORE_NAME);
+ };
+ req.onsuccess = function req_onsuccess() {
+ db = req.result;
+ // add to the cache
+ IDBFS.dbs[name] = db;
+ callback(null, db);
+ };
+ req.onerror = function req_onerror() {
+ callback(this.error);
+ };
+ },getRemoteSet:function (mount, callback) {
+ var files = {};
+ IDBFS.getDB(mount.mountpoint, function(err, db) {
+ if (err) return callback(err);
+ var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readonly');
+ transaction.onerror = function transaction_onerror() { callback(this.error); };
+ var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
+ store.openCursor().onsuccess = function store_openCursor_onsuccess(event) {
+ var cursor = event.target.result;
+ if (!cursor) {
+ return callback(null, { type: 'remote', db: db, files: files });
+ }
+ files[cursor.key] = cursor.value;
+ cursor.continue();
+ };
+ });
+ }};
+ var NODEFS={isWindows:false,staticInit:function () {
+ NODEFS.isWindows = !!process.platform.match(/^win/);
+ },mount:function (mount) {
+ assert(ENVIRONMENT_IS_NODE);
+ return NODEFS.createNode(null, '/', NODEFS.getMode(mount.opts.root), 0);
+ },createNode:function (parent, name, mode, dev) {
+ if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ var node = FS.createNode(parent, name, mode);
+ node.node_ops = NODEFS.node_ops;
+ node.stream_ops = NODEFS.stream_ops;
+ return node;
+ },getMode:function (path) {
+ var stat;
+ try {
+ stat = fs.lstatSync(path);
+ if (NODEFS.isWindows) {
+ // On Windows, directories return permission bits 'rw-rw-rw-', even though they have 'rwxrwxrwx', so
+ // propagate write bits to execute bits.
+ stat.mode = stat.mode | ((stat.mode & 146) >> 1);
+ }
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ return stat.mode;
+ },realPath:function (node) {
+ var parts = [];
+ while (node.parent !== node) {
+ parts.push(node.name);
+ node = node.parent;
+ }
+ parts.push(node.mount.opts.root);
+ parts.reverse();
+ return PATH.join.apply(null, parts);
+ },flagsToPermissionStringMap:{0:"r",1:"r+",2:"r+",64:"r",65:"r+",66:"r+",129:"rx+",193:"rx+",514:"w+",577:"w",578:"w+",705:"wx",706:"wx+",1024:"a",1025:"a",1026:"a+",1089:"a",1090:"a+",1153:"ax",1154:"ax+",1217:"ax",1218:"ax+",4096:"rs",4098:"rs+"},flagsToPermissionString:function (flags) {
+ if (flags in NODEFS.flagsToPermissionStringMap) {
+ return NODEFS.flagsToPermissionStringMap[flags];
+ } else {
+ return flags;
+ }
+ },node_ops:{getattr:function (node) {
+ var path = NODEFS.realPath(node);
+ var stat;
+ try {
+ stat = fs.lstatSync(path);
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ // node.js v0.10.20 doesn't report blksize and blocks on Windows. Fake them with default blksize of 4096.
+ // See http://support.microsoft.com/kb/140365
+ if (NODEFS.isWindows && !stat.blksize) {
+ stat.blksize = 4096;
+ }
+ if (NODEFS.isWindows && !stat.blocks) {
+ stat.blocks = (stat.size+stat.blksize-1)/stat.blksize|0;
+ }
+ return {
+ dev: stat.dev,
+ ino: stat.ino,
+ mode: stat.mode,
+ nlink: stat.nlink,
+ uid: stat.uid,
+ gid: stat.gid,
+ rdev: stat.rdev,
+ size: stat.size,
+ atime: stat.atime,
+ mtime: stat.mtime,
+ ctime: stat.ctime,
+ blksize: stat.blksize,
+ blocks: stat.blocks
+ };
+ },setattr:function (node, attr) {
+ var path = NODEFS.realPath(node);
+ try {
+ if (attr.mode !== undefined) {
+ fs.chmodSync(path, attr.mode);
+ // update the common node structure mode as well
+ node.mode = attr.mode;
+ }
+ if (attr.timestamp !== undefined) {
+ var date = new Date(attr.timestamp);
+ fs.utimesSync(path, date, date);
+ }
+ if (attr.size !== undefined) {
+ fs.truncateSync(path, attr.size);
+ }
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ },lookup:function (parent, name) {
+ var path = PATH.join2(NODEFS.realPath(parent), name);
+ var mode = NODEFS.getMode(path);
+ return NODEFS.createNode(parent, name, mode);
+ },mknod:function (parent, name, mode, dev) {
+ var node = NODEFS.createNode(parent, name, mode, dev);
+ // create the backing node for this in the fs root as well
+ var path = NODEFS.realPath(node);
+ try {
+ if (FS.isDir(node.mode)) {
+ fs.mkdirSync(path, node.mode);
+ } else {
+ fs.writeFileSync(path, '', { mode: node.mode });
+ }
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ return node;
+ },rename:function (oldNode, newDir, newName) {
+ var oldPath = NODEFS.realPath(oldNode);
+ var newPath = PATH.join2(NODEFS.realPath(newDir), newName);
+ try {
+ fs.renameSync(oldPath, newPath);
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ },unlink:function (parent, name) {
+ var path = PATH.join2(NODEFS.realPath(parent), name);
+ try {
+ fs.unlinkSync(path);
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ },rmdir:function (parent, name) {
+ var path = PATH.join2(NODEFS.realPath(parent), name);
+ try {
+ fs.rmdirSync(path);
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ },readdir:function (node) {
+ var path = NODEFS.realPath(node);
+ try {
+ return fs.readdirSync(path);
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ },symlink:function (parent, newName, oldPath) {
+ var newPath = PATH.join2(NODEFS.realPath(parent), newName);
+ try {
+ fs.symlinkSync(oldPath, newPath);
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ },readlink:function (node) {
+ var path = NODEFS.realPath(node);
+ try {
+ return fs.readlinkSync(path);
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ }},stream_ops:{open:function (stream) {
+ var path = NODEFS.realPath(stream.node);
+ try {
+ if (FS.isFile(stream.node.mode)) {
+ stream.nfd = fs.openSync(path, NODEFS.flagsToPermissionString(stream.flags));
+ }
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ },close:function (stream) {
+ try {
+ if (FS.isFile(stream.node.mode) && stream.nfd) {
+ fs.closeSync(stream.nfd);
+ }
+ } catch (e) {
+ if (!e.code) throw e;
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ },read:function (stream, buffer, offset, length, position) {
+ // FIXME this is terrible.
+ var nbuffer = new Buffer(length);
+ var res;
+ try {
+ res = fs.readSync(stream.nfd, nbuffer, 0, length, position);
+ } catch (e) {
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ if (res > 0) {
+ for (var i = 0; i < res; i++) {
+ buffer[offset + i] = nbuffer[i];
+ }
+ }
+ return res;
+ },write:function (stream, buffer, offset, length, position) {
+ // FIXME this is terrible.
+ var nbuffer = new Buffer(buffer.subarray(offset, offset + length));
+ var res;
+ try {
+ res = fs.writeSync(stream.nfd, nbuffer, 0, length, position);
+ } catch (e) {
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ return res;
+ },llseek:function (stream, offset, whence) {
+ var position = offset;
+ if (whence === 1) { // SEEK_CUR.
+ position += stream.position;
+ } else if (whence === 2) { // SEEK_END.
+ if (FS.isFile(stream.node.mode)) {
+ try {
+ var stat = fs.fstatSync(stream.nfd);
+ position += stat.size;
+ } catch (e) {
+ throw new FS.ErrnoError(ERRNO_CODES[e.code]);
+ }
+ }
+ }
+ if (position < 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ stream.position = position;
+ return position;
+ }}};
+ var _stdin=allocate(1, "i32*", ALLOC_STATIC);
+ var _stdout=allocate(1, "i32*", ALLOC_STATIC);
+ var _stderr=allocate(1, "i32*", ALLOC_STATIC);
+ function _fflush(stream) {
+ // int fflush(FILE *stream);
+ // http://pubs.opengroup.org/onlinepubs/000095399/functions/fflush.html
+ // we don't currently perform any user-space buffering of data
+ }var FS={root:null,mounts:[],devices:[null],streams:[null],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},handleFSError:function (e) {
+ if (!(e instanceof FS.ErrnoError)) throw e + ' : ' + stackTrace();
+ return ___setErrNo(e.errno);
+ },lookupPath:function (path, opts) {
+ path = PATH.resolve(FS.cwd(), path);
+ opts = opts || { recurse_count: 0 };
+ if (opts.recurse_count > 8) { // max recursive lookup of 8
+ throw new FS.ErrnoError(ERRNO_CODES.ELOOP);
+ }
+ // split the path
+ var parts = PATH.normalizeArray(path.split('/').filter(function(p) {
+ return !!p;
+ }), false);
+ // start at the root
+ 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) {
+ // stop resolving
+ break;
+ }
+ current = FS.lookupNode(current, parts[i]);
+ current_path = PATH.join2(current_path, parts[i]);
+ // jump to the mount's root node if this is a mountpoint
+ if (FS.isMountpoint(current)) {
+ current = current.mount.root;
+ }
+ // follow symlinks
+ // by default, lookupPath will not follow a symlink if it is the final path component.
+ // setting opts.follow = true will override this behavior.
+ if (!islast || opts.follow) {
+ var count = 0;
+ while (FS.isLink(current.mode)) {
+ var link = FS.readlink(current_path);
+ current_path = PATH.resolve(PATH.dirname(current_path), link);
+ var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count });
+ current = lookup.node;
+ if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
+ throw new FS.ErrnoError(ERRNO_CODES.ELOOP);
+ }
+ }
+ }
+ }
+ return { path: current_path, node: current };
+ },getPath:function (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 (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 (node) {
+ var hash = FS.hashName(node.parent.id, node.name);
+ node.name_next = FS.nameTable[hash];
+ FS.nameTable[hash] = node;
+ },hashRemoveNode:function (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 (parent, name) {
+ var err = FS.mayLookup(parent);
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ 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;
+ }
+ }
+ // if we failed to find it in the cache, call into the VFS
+ return FS.lookup(parent, name);
+ },createNode:function (parent, name, mode, rdev) {
+ if (!FS.FSNode) {
+ FS.FSNode = function(parent, name, mode, rdev) {
+ this.id = FS.nextInode++;
+ this.name = name;
+ this.mode = mode;
+ this.node_ops = {};
+ this.stream_ops = {};
+ this.rdev = rdev;
+ this.parent = null;
+ this.mount = null;
+ if (!parent) {
+ parent = this; // root node sets parent to itself
+ }
+ this.parent = parent;
+ this.mount = parent.mount;
+ FS.hashAddNode(this);
+ };
+ // compatibility
+ var readMode = 292 | 73;
+ var writeMode = 146;
+ FS.FSNode.prototype = {};
+ // NOTE we must use Object.defineProperties instead of individual calls to
+ // Object.defineProperty in order to make closure compiler happy
+ Object.defineProperties(FS.FSNode.prototype, {
+ read: {
+ get: function() { return (this.mode & readMode) === readMode; },
+ set: function(val) { val ? this.mode |= readMode : this.mode &= ~readMode; }
+ },
+ write: {
+ get: function() { return (this.mode & writeMode) === writeMode; },
+ set: function(val) { val ? this.mode |= writeMode : this.mode &= ~writeMode; }
+ },
+ isFolder: {
+ get: function() { return FS.isDir(this.mode); },
+ },
+ isDevice: {
+ get: function() { return FS.isChrdev(this.mode); },
+ },
+ });
+ }
+ return new FS.FSNode(parent, name, mode, rdev);
+ },destroyNode:function (node) {
+ FS.hashRemoveNode(node);
+ },isRoot:function (node) {
+ return node === node.parent;
+ },isMountpoint:function (node) {
+ return node.mounted;
+ },isFile:function (mode) {
+ return (mode & 61440) === 32768;
+ },isDir:function (mode) {
+ return (mode & 61440) === 16384;
+ },isLink:function (mode) {
+ return (mode & 61440) === 40960;
+ },isChrdev:function (mode) {
+ return (mode & 61440) === 8192;
+ },isBlkdev:function (mode) {
+ return (mode & 61440) === 24576;
+ },isFIFO:function (mode) {
+ return (mode & 61440) === 4096;
+ },isSocket:function (mode) {
+ return (mode & 49152) === 49152;
+ },flagModes:{"r":0,"rs":1052672,"r+":2,"w":577,"wx":705,"xw":705,"w+":578,"wx+":706,"xw+":706,"a":1089,"ax":1217,"xa":1217,"a+":1090,"ax+":1218,"xa+":1218},modeStringToFlags:function (str) {
+ var flags = FS.flagModes[str];
+ if (typeof flags === 'undefined') {
+ throw new Error('Unknown file open mode: ' + str);
+ }
+ return flags;
+ },flagsToPermissionString:function (flag) {
+ var accmode = flag & 2097155;
+ var perms = ['r', 'w', 'rw'][accmode];
+ if ((flag & 512)) {
+ perms += 'w';
+ }
+ return perms;
+ },nodePermissions:function (node, perms) {
+ if (FS.ignorePermissions) {
+ return 0;
+ }
+ // return 0 if any user, group or owner bits are set.
+ if (perms.indexOf('r') !== -1 && !(node.mode & 292)) {
+ return ERRNO_CODES.EACCES;
+ } else if (perms.indexOf('w') !== -1 && !(node.mode & 146)) {
+ return ERRNO_CODES.EACCES;
+ } else if (perms.indexOf('x') !== -1 && !(node.mode & 73)) {
+ return ERRNO_CODES.EACCES;
+ }
+ return 0;
+ },mayLookup:function (dir) {
+ return FS.nodePermissions(dir, 'x');
+ },mayCreate:function (dir, name) {
+ try {
+ var node = FS.lookupNode(dir, name);
+ return ERRNO_CODES.EEXIST;
+ } catch (e) {
+ }
+ return FS.nodePermissions(dir, 'wx');
+ },mayDelete:function (dir, name, isdir) {
+ var node;
+ try {
+ node = FS.lookupNode(dir, name);
+ } catch (e) {
+ return e.errno;
+ }
+ var err = FS.nodePermissions(dir, 'wx');
+ if (err) {
+ return err;
+ }
+ if (isdir) {
+ if (!FS.isDir(node.mode)) {
+ return ERRNO_CODES.ENOTDIR;
+ }
+ if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
+ return ERRNO_CODES.EBUSY;
+ }
+ } else {
+ if (FS.isDir(node.mode)) {
+ return ERRNO_CODES.EISDIR;
+ }
+ }
+ return 0;
+ },mayOpen:function (node, flags) {
+ if (!node) {
+ return ERRNO_CODES.ENOENT;
+ }
+ if (FS.isLink(node.mode)) {
+ return ERRNO_CODES.ELOOP;
+ } else if (FS.isDir(node.mode)) {
+ if ((flags & 2097155) !== 0 || // opening for write
+ (flags & 512)) {
+ return ERRNO_CODES.EISDIR;
+ }
+ }
+ return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
+ },MAX_OPEN_FDS:4096,nextfd:function (fd_start, fd_end) {
+ fd_start = fd_start || 1;
+ 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(ERRNO_CODES.EMFILE);
+ },getStream:function (fd) {
+ return FS.streams[fd];
+ },createStream:function (stream, fd_start, fd_end) {
+ if (!FS.FSStream) {
+ FS.FSStream = function(){};
+ FS.FSStream.prototype = {};
+ // compatibility
+ Object.defineProperties(FS.FSStream.prototype, {
+ object: {
+ get: function() { return this.node; },
+ set: function(val) { this.node = val; }
+ },
+ isRead: {
+ get: function() { return (this.flags & 2097155) !== 1; }
+ },
+ isWrite: {
+ get: function() { return (this.flags & 2097155) !== 0; }
+ },
+ isAppend: {
+ get: function() { return (this.flags & 1024); }
+ }
+ });
+ }
+ if (stream.__proto__) {
+ // reuse the object
+ stream.__proto__ = FS.FSStream.prototype;
+ } else {
+ 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 (fd) {
+ FS.streams[fd] = null;
+ },chrdev_stream_ops:{open:function (stream) {
+ var device = FS.getDevice(stream.node.rdev);
+ // override node's stream ops with the device's
+ stream.stream_ops = device.stream_ops;
+ // forward the open call
+ if (stream.stream_ops.open) {
+ stream.stream_ops.open(stream);
+ }
+ },llseek:function () {
+ throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
+ }},major:function (dev) {
+ return ((dev) >> 8);
+ },minor:function (dev) {
+ return ((dev) & 0xff);
+ },makedev:function (ma, mi) {
+ return ((ma) << 8 | (mi));
+ },registerDevice:function (dev, ops) {
+ FS.devices[dev] = { stream_ops: ops };
+ },getDevice:function (dev) {
+ return FS.devices[dev];
+ },syncfs:function (populate, callback) {
+ if (typeof(populate) === 'function') {
+ callback = populate;
+ populate = false;
+ }
+ var completed = 0;
+ var total = FS.mounts.length;
+ function done(err) {
+ if (err) {
+ return callback(err);
+ }
+ if (++completed >= total) {
+ callback(null);
+ }
+ };
+ // sync all mounts
+ for (var i = 0; i < FS.mounts.length; i++) {
+ var mount = FS.mounts[i];
+ if (!mount.type.syncfs) {
+ done(null);
+ continue;
+ }
+ mount.type.syncfs(mount, populate, done);
+ }
+ },mount:function (type, opts, mountpoint) {
+ var lookup;
+ if (mountpoint) {
+ lookup = FS.lookupPath(mountpoint, { follow: false });
+ mountpoint = lookup.path; // use the absolute path
+ }
+ var mount = {
+ type: type,
+ opts: opts,
+ mountpoint: mountpoint,
+ root: null
+ };
+ // create a root node for the fs
+ var root = type.mount(mount);
+ root.mount = mount;
+ mount.root = root;
+ // assign the mount info to the mountpoint's node
+ if (lookup) {
+ lookup.node.mount = mount;
+ lookup.node.mounted = true;
+ // compatibility update FS.root if we mount to /
+ if (mountpoint === '/') {
+ FS.root = mount.root;
+ }
+ }
+ // add to our cached list of mounts
+ FS.mounts.push(mount);
+ return root;
+ },lookup:function (parent, name) {
+ return parent.node_ops.lookup(parent, name);
+ },mknod:function (path, mode, dev) {
+ var lookup = FS.lookupPath(path, { parent: true });
+ var parent = lookup.node;
+ var name = PATH.basename(path);
+ var err = FS.mayCreate(parent, name);
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ if (!parent.node_ops.mknod) {
+ throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+ }
+ return parent.node_ops.mknod(parent, name, mode, dev);
+ },create:function (path, mode) {
+ mode = mode !== undefined ? mode : 0666;
+ mode &= 4095;
+ mode |= 32768;
+ return FS.mknod(path, mode, 0);
+ },mkdir:function (path, mode) {
+ mode = mode !== undefined ? mode : 0777;
+ mode &= 511 | 512;
+ mode |= 16384;
+ return FS.mknod(path, mode, 0);
+ },mkdev:function (path, mode, dev) {
+ if (typeof(dev) === 'undefined') {
+ dev = mode;
+ mode = 0666;
+ }
+ mode |= 8192;
+ return FS.mknod(path, mode, dev);
+ },symlink:function (oldpath, newpath) {
+ var lookup = FS.lookupPath(newpath, { parent: true });
+ var parent = lookup.node;
+ var newname = PATH.basename(newpath);
+ var err = FS.mayCreate(parent, newname);
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ if (!parent.node_ops.symlink) {
+ throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+ }
+ return parent.node_ops.symlink(parent, newname, oldpath);
+ },rename:function (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);
+ // parents must exist
+ var lookup, old_dir, new_dir;
+ try {
+ lookup = FS.lookupPath(old_path, { parent: true });
+ old_dir = lookup.node;
+ lookup = FS.lookupPath(new_path, { parent: true });
+ new_dir = lookup.node;
+ } catch (e) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+ }
+ // need to be part of the same mount
+ if (old_dir.mount !== new_dir.mount) {
+ throw new FS.ErrnoError(ERRNO_CODES.EXDEV);
+ }
+ // source must exist
+ var old_node = FS.lookupNode(old_dir, old_name);
+ // old path should not be an ancestor of the new path
+ var relative = PATH.relative(old_path, new_dirname);
+ if (relative.charAt(0) !== '.') {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ // new path should not be an ancestor of the old path
+ relative = PATH.relative(new_path, old_dirname);
+ if (relative.charAt(0) !== '.') {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
+ }
+ // see if the new path already exists
+ var new_node;
+ try {
+ new_node = FS.lookupNode(new_dir, new_name);
+ } catch (e) {
+ // not fatal
+ }
+ // early out if nothing needs to change
+ if (old_node === new_node) {
+ return;
+ }
+ // we'll need to delete the old entry
+ var isdir = FS.isDir(old_node.mode);
+ var err = FS.mayDelete(old_dir, old_name, isdir);
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ // need delete permissions if we'll be overwriting.
+ // need create permissions if new doesn't already exist.
+ err = new_node ?
+ FS.mayDelete(new_dir, new_name, isdir) :
+ FS.mayCreate(new_dir, new_name);
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ if (!old_dir.node_ops.rename) {
+ throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+ }
+ if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+ }
+ // if we are going to change the parent, check write permissions
+ if (new_dir !== old_dir) {
+ err = FS.nodePermissions(old_dir, 'w');
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ }
+ // remove the node from the lookup hash
+ FS.hashRemoveNode(old_node);
+ // do the underlying fs rename
+ try {
+ old_dir.node_ops.rename(old_node, new_dir, new_name);
+ } catch (e) {
+ throw e;
+ } finally {
+ // add the node back to the hash (in case node_ops.rename
+ // changed its name)
+ FS.hashAddNode(old_node);
+ }
+ },rmdir:function (path) {
+ var lookup = FS.lookupPath(path, { parent: true });
+ var parent = lookup.node;
+ var name = PATH.basename(path);
+ var node = FS.lookupNode(parent, name);
+ var err = FS.mayDelete(parent, name, true);
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ if (!parent.node_ops.rmdir) {
+ throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+ }
+ if (FS.isMountpoint(node)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+ }
+ parent.node_ops.rmdir(parent, name);
+ FS.destroyNode(node);
+ },readdir:function (path) {
+ var lookup = FS.lookupPath(path, { follow: true });
+ var node = lookup.node;
+ if (!node.node_ops.readdir) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
+ }
+ return node.node_ops.readdir(node);
+ },unlink:function (path) {
+ var lookup = FS.lookupPath(path, { parent: true });
+ var parent = lookup.node;
+ var name = PATH.basename(path);
+ var node = FS.lookupNode(parent, name);
+ var err = FS.mayDelete(parent, name, false);
+ if (err) {
+ // POSIX says unlink should set EPERM, not EISDIR
+ if (err === ERRNO_CODES.EISDIR) err = ERRNO_CODES.EPERM;
+ throw new FS.ErrnoError(err);
+ }
+ if (!parent.node_ops.unlink) {
+ throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+ }
+ if (FS.isMountpoint(node)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+ }
+ parent.node_ops.unlink(parent, name);
+ FS.destroyNode(node);
+ },readlink:function (path) {
+ var lookup = FS.lookupPath(path, { follow: false });
+ var link = lookup.node;
+ if (!link.node_ops.readlink) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ return link.node_ops.readlink(link);
+ },stat:function (path, dontFollow) {
+ var lookup = FS.lookupPath(path, { follow: !dontFollow });
+ var node = lookup.node;
+ if (!node.node_ops.getattr) {
+ throw new FS.ErrnoError(ERRNO_CODES.EPERM);
+ }
+ return node.node_ops.getattr(node);
+ },lstat:function (path) {
+ return FS.stat(path, true);
+ },chmod:function (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(ERRNO_CODES.EPERM);
+ }
+ node.node_ops.setattr(node, {
+ mode: (mode & 4095) | (node.mode & ~4095),
+ timestamp: Date.now()
+ });
+ },lchmod:function (path, mode) {
+ FS.chmod(path, mode, true);
+ },fchmod:function (fd, mode) {
+ var stream = FS.getStream(fd);
+ if (!stream) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+ }
+ FS.chmod(stream.node, mode);
+ },chown:function (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(ERRNO_CODES.EPERM);
+ }
+ node.node_ops.setattr(node, {
+ timestamp: Date.now()
+ // we ignore the uid / gid for now
+ });
+ },lchown:function (path, uid, gid) {
+ FS.chown(path, uid, gid, true);
+ },fchown:function (fd, uid, gid) {
+ var stream = FS.getStream(fd);
+ if (!stream) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+ }
+ FS.chown(stream.node, uid, gid);
+ },truncate:function (path, len) {
+ if (len < 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ 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(ERRNO_CODES.EPERM);
+ }
+ if (FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
+ }
+ if (!FS.isFile(node.mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ var err = FS.nodePermissions(node, 'w');
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ node.node_ops.setattr(node, {
+ size: len,
+ timestamp: Date.now()
+ });
+ },ftruncate:function (fd, len) {
+ var stream = FS.getStream(fd);
+ if (!stream) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+ }
+ if ((stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ FS.truncate(stream.node, len);
+ },utime:function (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 (path, flags, mode, fd_start, fd_end) {
+ flags = typeof flags === 'string' ? FS.modeStringToFlags(flags) : flags;
+ mode = typeof mode === 'undefined' ? 0666 : 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) {
+ // ignore
+ }
+ }
+ // perhaps we need to create the node
+ if ((flags & 64)) {
+ if (node) {
+ // if O_CREAT and O_EXCL are set, error out if the node already exists
+ if ((flags & 128)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EEXIST);
+ }
+ } else {
+ // node doesn't exist, try to create it
+ node = FS.mknod(path, mode, 0);
+ }
+ }
+ if (!node) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
+ }
+ // can't truncate a device
+ if (FS.isChrdev(node.mode)) {
+ flags &= ~512;
+ }
+ // check permissions
+ var err = FS.mayOpen(node, flags);
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ // do truncation if necessary
+ if ((flags & 512)) {
+ FS.truncate(node, 0);
+ }
+ // we've already handled these, don't pass down to the underlying vfs
+ flags &= ~(128 | 512);
+ // register the stream with the filesystem
+ var stream = FS.createStream({
+ node: node,
+ path: FS.getPath(node), // we want the absolute path to the node
+ flags: flags,
+ seekable: true,
+ position: 0,
+ stream_ops: node.stream_ops,
+ // used by the file family libc calls (fopen, fwrite, ferror, etc.)
+ ungotten: [],
+ error: false
+ }, fd_start, fd_end);
+ // call the new stream's open function
+ 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;
+ Module['printErr']('read file: ' + path);
+ }
+ }
+ return stream;
+ },close:function (stream) {
+ try {
+ if (stream.stream_ops.close) {
+ stream.stream_ops.close(stream);
+ }
+ } catch (e) {
+ throw e;
+ } finally {
+ FS.closeStream(stream.fd);
+ }
+ },llseek:function (stream, offset, whence) {
+ if (!stream.seekable || !stream.stream_ops.llseek) {
+ throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
+ }
+ return stream.stream_ops.llseek(stream, offset, whence);
+ },read:function (stream, buffer, offset, length, position) {
+ if (length < 0 || position < 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ if ((stream.flags & 2097155) === 1) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+ }
+ if (FS.isDir(stream.node.mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
+ }
+ if (!stream.stream_ops.read) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ var seeking = true;
+ if (typeof position === 'undefined') {
+ position = stream.position;
+ seeking = false;
+ } else if (!stream.seekable) {
+ throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
+ }
+ var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
+ if (!seeking) stream.position += bytesRead;
+ return bytesRead;
+ },write:function (stream, buffer, offset, length, position, canOwn) {
+ if (length < 0 || position < 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ if ((stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+ }
+ if (FS.isDir(stream.node.mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EISDIR);
+ }
+ if (!stream.stream_ops.write) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ var seeking = true;
+ if (typeof position === 'undefined') {
+ position = stream.position;
+ seeking = false;
+ } else if (!stream.seekable) {
+ throw new FS.ErrnoError(ERRNO_CODES.ESPIPE);
+ }
+ if (stream.flags & 1024) {
+ // seek to the end before writing in append mode
+ FS.llseek(stream, 0, 2);
+ }
+ var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
+ if (!seeking) stream.position += bytesWritten;
+ return bytesWritten;
+ },allocate:function (stream, offset, length) {
+ if (offset < 0 || length <= 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ if ((stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBADF);
+ }
+ if (!FS.isFile(stream.node.mode) && !FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
+ }
+ if (!stream.stream_ops.allocate) {
+ throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP);
+ }
+ stream.stream_ops.allocate(stream, offset, length);
+ },mmap:function (stream, buffer, offset, length, position, prot, flags) {
+ // TODO if PROT is PROT_WRITE, make sure we have write access
+ if ((stream.flags & 2097155) === 1) {
+ throw new FS.ErrnoError(ERRNO_CODES.EACCES);
+ }
+ if (!stream.stream_ops.mmap) {
+ throw new FS.errnoError(ERRNO_CODES.ENODEV);
+ }
+ return stream.stream_ops.mmap(stream, buffer, offset, length, position, prot, flags);
+ },ioctl:function (stream, cmd, arg) {
+ if (!stream.stream_ops.ioctl) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTTY);
+ }
+ return stream.stream_ops.ioctl(stream, cmd, arg);
+ },readFile:function (path, opts) {
+ opts = opts || {};
+ opts.flags = opts.flags || 'r';
+ opts.encoding = opts.encoding || 'binary';
+ 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 = '';
+ var utf8 = new Runtime.UTF8Processor();
+ for (var i = 0; i < length; i++) {
+ ret += utf8.processCChar(buf[i]);
+ }
+ } else if (opts.encoding === 'binary') {
+ ret = buf;
+ } else {
+ throw new Error('Invalid encoding type "' + opts.encoding + '"');
+ }
+ FS.close(stream);
+ return ret;
+ },writeFile:function (path, data, opts) {
+ opts = opts || {};
+ opts.flags = opts.flags || 'w';
+ opts.encoding = opts.encoding || 'utf8';
+ var stream = FS.open(path, opts.flags, opts.mode);
+ if (opts.encoding === 'utf8') {
+ var utf8 = new Runtime.UTF8Processor();
+ var buf = new Uint8Array(utf8.processJSString(data));
+ FS.write(stream, buf, 0, buf.length, 0);
+ } else if (opts.encoding === 'binary') {
+ FS.write(stream, data, 0, data.length, 0);
+ } else {
+ throw new Error('Invalid encoding type "' + opts.encoding + '"');
+ }
+ FS.close(stream);
+ },cwd:function () {
+ return FS.currentPath;
+ },chdir:function (path) {
+ var lookup = FS.lookupPath(path, { follow: true });
+ if (!FS.isDir(lookup.node.mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
+ }
+ var err = FS.nodePermissions(lookup.node, 'x');
+ if (err) {
+ throw new FS.ErrnoError(err);
+ }
+ FS.currentPath = lookup.path;
+ },createDefaultDirectories:function () {
+ FS.mkdir('/tmp');
+ },createDefaultDevices:function () {
+ // create /dev
+ FS.mkdir('/dev');
+ // setup /dev/null
+ FS.registerDevice(FS.makedev(1, 3), {
+ read: function() { return 0; },
+ write: function() { return 0; }
+ });
+ FS.mkdev('/dev/null', FS.makedev(1, 3));
+ // setup /dev/tty and /dev/tty1
+ // stderr needs to print output using Module['printErr']
+ // so we register a second tty just for it.
+ 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));
+ // we're not going to emulate the actual shm device,
+ // just create the tmp dirs that reside in it commonly
+ FS.mkdir('/dev/shm');
+ FS.mkdir('/dev/shm/tmp');
+ },createStandardStreams:function () {
+ // TODO deprecate the old functionality of a single
+ // input / output callback and that utilizes FS.createDevice
+ // and instead require a unique set of stream ops
+ // by default, we symlink the standard streams to the
+ // default tty devices. however, if the standard streams
+ // have been overwritten we create a unique device for
+ // them instead.
+ 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');
+ }
+ // open default streams for the stdin, stdout and stderr devices
+ var stdin = FS.open('/dev/stdin', 'r');
+ HEAP32[((_stdin)>>2)]=stdin.fd;
+ assert(stdin.fd === 1, 'invalid handle for stdin (' + stdin.fd + ')');
+ var stdout = FS.open('/dev/stdout', 'w');
+ HEAP32[((_stdout)>>2)]=stdout.fd;
+ assert(stdout.fd === 2, 'invalid handle for stdout (' + stdout.fd + ')');
+ var stderr = FS.open('/dev/stderr', 'w');
+ HEAP32[((_stderr)>>2)]=stderr.fd;
+ assert(stderr.fd === 3, 'invalid handle for stderr (' + stderr.fd + ')');
+ },ensureErrnoError:function () {
+ if (FS.ErrnoError) return;
+ FS.ErrnoError = function ErrnoError(errno) {
+ this.errno = errno;
+ for (var key in ERRNO_CODES) {
+ if (ERRNO_CODES[key] === errno) {
+ this.code = key;
+ break;
+ }
+ }
+ this.message = ERRNO_MESSAGES[errno];
+ this.stack = stackTrace();
+ };
+ FS.ErrnoError.prototype = new Error();
+ FS.ErrnoError.prototype.constructor = FS.ErrnoError;
+ // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info)
+ [ERRNO_CODES.ENOENT].forEach(function(code) {
+ FS.genericErrors[code] = new FS.ErrnoError(code);
+ FS.genericErrors[code].stack = '<generic error, no stack>';
+ });
+ },staticInit:function () {
+ FS.ensureErrnoError();
+ FS.nameTable = new Array(4096);
+ FS.root = FS.createNode(null, '/', 16384 | 0777, 0);
+ FS.mount(MEMFS, {}, '/');
+ FS.createDefaultDirectories();
+ FS.createDefaultDevices();
+ },init:function (input, output, error) {
+ assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)');
+ FS.init.initialized = true;
+ FS.ensureErrnoError();
+ // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
+ Module['stdin'] = input || Module['stdin'];
+ Module['stdout'] = output || Module['stdout'];
+ Module['stderr'] = error || Module['stderr'];
+ FS.createStandardStreams();
+ },quit:function () {
+ FS.init.initialized = false;
+ for (var i = 0; i < FS.streams.length; i++) {
+ var stream = FS.streams[i];
+ if (!stream) {
+ continue;
+ }
+ FS.close(stream);
+ }
+ },getMode:function (canRead, canWrite) {
+ var mode = 0;
+ if (canRead) mode |= 292 | 73;
+ if (canWrite) mode |= 146;
+ return mode;
+ },joinPath:function (parts, forceRelative) {
+ var path = PATH.join.apply(null, parts);
+ if (forceRelative && path[0] == '/') path = path.substr(1);
+ return path;
+ },absolutePath:function (relative, base) {
+ return PATH.resolve(base, relative);
+ },standardizePath:function (path) {
+ return PATH.normalize(path);
+ },findObject:function (path, dontResolveLastLink) {
+ var ret = FS.analyzePath(path, dontResolveLastLink);
+ if (ret.exists) {
+ return ret.object;
+ } else {
+ ___setErrNo(ret.error);
+ return null;
+ }
+ },analyzePath:function (path, dontResolveLastLink) {
+ // operate from within the context of the symlink's target
+ 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;
+ },createFolder:function (parent, name, canRead, canWrite) {
+ var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
+ var mode = FS.getMode(canRead, canWrite);
+ return FS.mkdir(path, mode);
+ },createPath:function (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) {
+ // ignore EEXIST
+ }
+ parent = current;
+ }
+ return current;
+ },createFile:function (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 (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;
+ }
+ // make sure we can write to the file
+ FS.chmod(node, mode | 146);
+ var stream = FS.open(node, 'w');
+ FS.write(stream, data, 0, data.length, 0, canOwn);
+ FS.close(stream);
+ FS.chmod(node, mode);
+ }
+ return node;
+ },createDevice:function (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);
+ // Create a fake device that a set of stream ops to emulate
+ // the old behavior.
+ FS.registerDevice(dev, {
+ open: function(stream) {
+ stream.seekable = false;
+ },
+ close: function(stream) {
+ // flush any pending line data
+ if (output && output.buffer && output.buffer.length) {
+ output(10);
+ }
+ },
+ read: function(stream, buffer, offset, length, pos /* ignored */) {
+ var bytesRead = 0;
+ for (var i = 0; i < length; i++) {
+ var result;
+ try {
+ result = input();
+ } catch (e) {
+ throw new FS.ErrnoError(ERRNO_CODES.EIO);
+ }
+ if (result === undefined && bytesRead === 0) {
+ throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+ }
+ if (result === null || result === undefined) break;
+ bytesRead++;
+ buffer[offset+i] = result;
+ }
+ if (bytesRead) {
+ stream.node.timestamp = Date.now();
+ }
+ return bytesRead;
+ },
+ write: function(stream, buffer, offset, length, pos) {
+ for (var i = 0; i < length; i++) {
+ try {
+ output(buffer[offset+i]);
+ } catch (e) {
+ throw new FS.ErrnoError(ERRNO_CODES.EIO);
+ }
+ }
+ if (length) {
+ stream.node.timestamp = Date.now();
+ }
+ return i;
+ }
+ });
+ return FS.mkdev(path, mode, dev);
+ },createLink:function (parent, name, target, canRead, canWrite) {
+ var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
+ return FS.symlink(target, path);
+ },forceLoadFile:function (obj) {
+ if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
+ var success = 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 (Module['read']) {
+ // Command-line.
+ try {
+ // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
+ // read() will try to parse UTF8.
+ obj.contents = intArrayFromString(Module['read'](obj.url), true);
+ } catch (e) {
+ success = false;
+ }
+ } else {
+ throw new Error('Cannot load without read() or XMLHttpRequest.');
+ }
+ if (!success) ___setErrNo(ERRNO_CODES.EIO);
+ return success;
+ },createLazyFile:function (parent, name, url, canRead, canWrite) {
+ 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';
+ // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
+ function LazyUint8Array() {
+ this.lengthKnown = false;
+ this.chunks = []; // Loaded chunks. Index is the chunk number
+ }
+ LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
+ if (idx > this.length-1 || idx < 0) {
+ return undefined;
+ }
+ var chunkOffset = idx % this.chunkSize;
+ var chunkNum = Math.floor(idx / this.chunkSize);
+ return this.getter(chunkNum)[chunkOffset];
+ }
+ LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
+ this.getter = getter;
+ }
+ LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
+ // Find length
+ 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 chunkSize = 1024*1024; // Chunk size in bytes
+ if (!hasByteServing) chunkSize = datalength;
+ // Function to get a range from the remote URL.
+ var doXHR = (function(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!");
+ // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
+ var xhr = new XMLHttpRequest();
+ xhr.open('GET', url, false);
+ if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
+ // Some hints to the browser that we want binary data.
+ 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; // including this byte
+ end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
+ 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];
+ });
+ this._length = datalength;
+ this._chunkSize = chunkSize;
+ this.lengthKnown = true;
+ }
+ var lazyArray = new LazyUint8Array();
+ Object.defineProperty(lazyArray, "length", {
+ get: function() {
+ if(!this.lengthKnown) {
+ this.cacheLength();
+ }
+ return this._length;
+ }
+ });
+ Object.defineProperty(lazyArray, "chunkSize", {
+ get: function() {
+ 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);
+ // This is a total hack, but I want to get this lazy file code out of the
+ // core of MEMFS. If we want to keep this lazy file concept I feel it should
+ // be its own thin LAZYFS proxying calls to MEMFS.
+ if (properties.contents) {
+ node.contents = properties.contents;
+ } else if (properties.url) {
+ node.contents = null;
+ node.url = properties.url;
+ }
+ // override each stream op with one that tries to force load the lazy file first
+ 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() {
+ if (!FS.forceLoadFile(node)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EIO);
+ }
+ return fn.apply(null, arguments);
+ };
+ });
+ // use a custom read function
+ stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) {
+ if (!FS.forceLoadFile(node)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EIO);
+ }
+ var contents = stream.node.contents;
+ if (position >= contents.length)
+ return 0;
+ var size = Math.min(contents.length - position, length);
+ assert(size >= 0);
+ if (contents.slice) { // normal array
+ for (var i = 0; i < size; i++) {
+ buffer[offset + i] = contents[position + i];
+ }
+ } else {
+ for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR
+ buffer[offset + i] = contents.get(position + i);
+ }
+ }
+ return size;
+ };
+ node.stream_ops = stream_ops;
+ return node;
+ },createPreloadedFile:function (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn) {
+ Browser.init();
+ // TODO we should allow people to just pass in a complete filename instead
+ // of parent and name being that we just join them anyways
+ var fullname = name ? PATH.resolve(PATH.join2(parent, name)) : parent;
+ function processData(byteArray) {
+ function finish(byteArray) {
+ if (!dontCreateFile) {
+ FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
+ }
+ if (onload) onload();
+ removeRunDependency('cp ' + fullname);
+ }
+ 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('cp ' + fullname);
+ });
+ handled = true;
+ }
+ });
+ if (!handled) finish(byteArray);
+ }
+ addRunDependency('cp ' + fullname);
+ if (typeof url == 'string') {
+ Browser.asyncLoad(url, function(byteArray) {
+ processData(byteArray);
+ }, onerror);
+ } else {
+ processData(url);
+ }
+ },indexedDB:function () {
+ return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
+ },DB_NAME:function () {
+ return 'EM_FS_' + window.location.pathname;
+ },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:function (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() {
+ console.log('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 (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; // no database to load from
+ 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 PATH={splitPath:function (filename) {
+ var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+ return splitPathRe.exec(filename).slice(1);
+ },normalizeArray:function (parts, allowAboveRoot) {
+ // if the path tries to go above the root, `up` ends up > 0
+ 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 the path is allowed to go above the root, restore leading ..s
+ if (allowAboveRoot) {
+ for (; up--; up) {
+ parts.unshift('..');
+ }
+ }
+ return parts;
+ },normalize:function (path) {
+ var isAbsolute = path.charAt(0) === '/',
+ trailingSlash = path.substr(-1) === '/';
+ // Normalize the path
+ 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 (path) {
+ var result = PATH.splitPath(path),
+ root = result[0],
+ dir = result[1];
+ if (!root && !dir) {
+ // No dirname whatsoever
+ return '.';
+ }
+ if (dir) {
+ // It has a dirname, strip trailing slash
+ dir = dir.substr(0, dir.length - 1);
+ }
+ return root + dir;
+ },basename:function (path) {
+ // EMSCRIPTEN return '/'' for '/', not an empty string
+ if (path === '/') return '/';
+ var lastSlash = path.lastIndexOf('/');
+ if (lastSlash === -1) return path;
+ return path.substr(lastSlash+1);
+ },extname:function (path) {
+ return PATH.splitPath(path)[3];
+ },join:function () {
+ var paths = Array.prototype.slice.call(arguments, 0);
+ return PATH.normalize(paths.join('/'));
+ },join2:function (l, r) {
+ return PATH.normalize(l + '/' + r);
+ },resolve:function () {
+ var resolvedPath = '',
+ resolvedAbsolute = false;
+ for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+ var path = (i >= 0) ? arguments[i] : FS.cwd();
+ // Skip empty and invalid entries
+ if (typeof path !== 'string') {
+ throw new TypeError('Arguments to path.resolve must be strings');
+ } else if (!path) {
+ continue;
+ }
+ resolvedPath = path + '/' + resolvedPath;
+ resolvedAbsolute = path.charAt(0) === '/';
+ }
+ // At this point the path should be resolved to a full absolute path, but
+ // handle relative paths to be safe (might happen when process.cwd() fails)
+ resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) {
+ return !!p;
+ }), !resolvedAbsolute).join('/');
+ return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
+ },relative:function (from, to) {
+ from = PATH.resolve(from).substr(1);
+ to = PATH.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 Browser={mainLoop:{scheduler:null,shouldPause:false,paused:false,queue:[],pause:function () {
+ Browser.mainLoop.shouldPause = true;
+ },resume:function () {
+ if (Browser.mainLoop.paused) {
+ Browser.mainLoop.paused = false;
+ Browser.mainLoop.scheduler();
+ }
+ Browser.mainLoop.shouldPause = false;
+ },updateStatus:function () {
+ if (Module['setStatus']) {
+ var message = Module['statusMessage'] || 'Please wait...';
+ var remaining = Browser.mainLoop.remainingBlockers;
+ var expected = Browser.mainLoop.expectedBlockers;
+ if (remaining) {
+ if (remaining < expected) {
+ Module['setStatus'](message + ' (' + (expected - remaining) + '/' + expected + ')');
+ } else {
+ Module['setStatus'](message);
+ }
+ } else {
+ Module['setStatus']('');
+ }
+ }
+ }},isFullScreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function () {
+ if (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs to exist even in workers
+ if (Browser.initted || ENVIRONMENT_IS_WORKER) return;
+ Browser.initted = true;
+ try {
+ new Blob();
+ Browser.hasBlobConstructor = true;
+ } catch(e) {
+ Browser.hasBlobConstructor = false;
+ console.log("warning: no blob constructor, cannot create blobs with mimetypes");
+ }
+ Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : (typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : (!Browser.hasBlobConstructor ? console.log("warning: no BlobBuilder") : null));
+ Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.URL : window.webkitURL) : undefined;
+ if (!Module.noImageDecoding && typeof Browser.URLObject === 'undefined') {
+ console.log("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
+ Module.noImageDecoding = true;
+ }
+ // Support for plugins that can process preloaded files. You can add more of these to
+ // your app by creating and appending to Module.preloadPlugins.
+ //
+ // Each plugin is asked if it can handle a file based on the file's name. If it can,
+ // it is given the file's raw data. When it is done, it calls a callback with the file's
+ // (possibly modified) data. For example, a plugin might decompress a file, or it
+ // might create some side data structure for use later (like an Image element, etc.).
+ var imagePlugin = {};
+ imagePlugin['canHandle'] = function imagePlugin_canHandle(name) {
+ return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name);
+ };
+ imagePlugin['handle'] = function imagePlugin_handle(byteArray, name, onload, onerror) {
+ var b = null;
+ if (Browser.hasBlobConstructor) {
+ try {
+ b = new Blob([byteArray], { type: Browser.getMimetype(name) });
+ if (b.size !== byteArray.length) { // Safari bug #118630
+ // Safari's Blob can only take an ArrayBuffer
+ b = new Blob([(new Uint8Array(byteArray)).buffer], { type: Browser.getMimetype(name) });
+ }
+ } catch(e) {
+ Runtime.warnOnce('Blob constructor present but fails: ' + e + '; falling back to blob builder');
+ }
+ }
+ if (!b) {
+ var bb = new Browser.BlobBuilder();
+ bb.append((new Uint8Array(byteArray)).buffer); // we need to pass a buffer, and must copy the array to get the right data range
+ b = bb.getBlob();
+ }
+ var url = Browser.URLObject.createObjectURL(b);
+ var img = new Image();
+ img.onload = function img_onload() {
+ assert(img.complete, 'Image ' + name + ' could not be decoded');
+ var canvas = document.createElement('canvas');
+ canvas.width = img.width;
+ canvas.height = img.height;
+ var ctx = canvas.getContext('2d');
+ ctx.drawImage(img, 0, 0);
+ Module["preloadedImages"][name] = canvas;
+ Browser.URLObject.revokeObjectURL(url);
+ if (onload) onload(byteArray);
+ };
+ img.onerror = function img_onerror(event) {
+ console.log('Image ' + url + ' could not be decoded');
+ if (onerror) onerror();
+ };
+ img.src = url;
+ };
+ Module['preloadPlugins'].push(imagePlugin);
+ var audioPlugin = {};
+ audioPlugin['canHandle'] = function audioPlugin_canHandle(name) {
+ return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 };
+ };
+ audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onload, onerror) {
+ var done = false;
+ function finish(audio) {
+ if (done) return;
+ done = true;
+ Module["preloadedAudios"][name] = audio;
+ if (onload) onload(byteArray);
+ }
+ function fail() {
+ if (done) return;
+ done = true;
+ Module["preloadedAudios"][name] = new Audio(); // empty shim
+ if (onerror) onerror();
+ }
+ if (Browser.hasBlobConstructor) {
+ try {
+ var b = new Blob([byteArray], { type: Browser.getMimetype(name) });
+ } catch(e) {
+ return fail();
+ }
+ var url = Browser.URLObject.createObjectURL(b); // XXX we never revoke this!
+ var audio = new Audio();
+ audio.addEventListener('canplaythrough', function() { finish(audio) }, false); // use addEventListener due to chromium bug 124926
+ audio.onerror = function audio_onerror(event) {
+ if (done) return;
+ console.log('warning: browser could not fully decode audio ' + name + ', trying slower base64 approach');
+ function encode64(data) {
+ var BASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+ var PAD = '=';
+ var ret = '';
+ var leftchar = 0;
+ var leftbits = 0;
+ for (var i = 0; i < data.length; i++) {
+ leftchar = (leftchar << 8) | data[i];
+ leftbits += 8;
+ while (leftbits >= 6) {
+ var curr = (leftchar >> (leftbits-6)) & 0x3f;
+ leftbits -= 6;
+ ret += BASE[curr];
+ }
+ }
+ if (leftbits == 2) {
+ ret += BASE[(leftchar&3) << 4];
+ ret += PAD + PAD;
+ } else if (leftbits == 4) {
+ ret += BASE[(leftchar&0xf) << 2];
+ ret += PAD;
+ }
+ return ret;
+ }
+ audio.src = 'data:audio/x-' + name.substr(-3) + ';base64,' + encode64(byteArray);
+ finish(audio); // we don't wait for confirmation this worked - but it's worth trying
+ };
+ audio.src = url;
+ // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
+ Browser.safeSetTimeout(function() {
+ finish(audio); // try to use it even though it is not necessarily ready to play
+ }, 10000);
+ } else {
+ return fail();
+ }
+ };
+ Module['preloadPlugins'].push(audioPlugin);
+ // Canvas event setup
+ var canvas = Module['canvas'];
+ canvas.requestPointerLock = canvas['requestPointerLock'] ||
+ canvas['mozRequestPointerLock'] ||
+ canvas['webkitRequestPointerLock'];
+ canvas.exitPointerLock = document['exitPointerLock'] ||
+ document['mozExitPointerLock'] ||
+ document['webkitExitPointerLock'] ||
+ function(){}; // no-op if function does not exist
+ canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
+ function pointerLockChange() {
+ Browser.pointerLock = document['pointerLockElement'] === canvas ||
+ document['mozPointerLockElement'] === canvas ||
+ document['webkitPointerLockElement'] === canvas;
+ }
+ document.addEventListener('pointerlockchange', pointerLockChange, false);
+ document.addEventListener('mozpointerlockchange', pointerLockChange, false);
+ document.addEventListener('webkitpointerlockchange', pointerLockChange, false);
+ if (Module['elementPointerLock']) {
+ canvas.addEventListener("click", function(ev) {
+ if (!Browser.pointerLock && canvas.requestPointerLock) {
+ canvas.requestPointerLock();
+ ev.preventDefault();
+ }
+ }, false);
+ }
+ },createContext:function (canvas, useWebGL, setInModule, webGLContextAttributes) {
+ var ctx;
+ try {
+ if (useWebGL) {
+ var contextAttributes = {
+ antialias: false,
+ alpha: false
+ };
+ if (webGLContextAttributes) {
+ for (var attribute in webGLContextAttributes) {
+ contextAttributes[attribute] = webGLContextAttributes[attribute];
+ }
+ }
+ ['experimental-webgl', 'webgl'].some(function(webglId) {
+ return ctx = canvas.getContext(webglId, contextAttributes);
+ });
+ } else {
+ ctx = canvas.getContext('2d');
+ }
+ if (!ctx) throw ':(';
+ } catch (e) {
+ Module.print('Could not create canvas - ' + e);
+ return null;
+ }
+ if (useWebGL) {
+ // Set the background of the WebGL canvas to black
+ canvas.style.backgroundColor = "black";
+ // Warn on context loss
+ canvas.addEventListener('webglcontextlost', function(event) {
+ alert('WebGL context lost. You will need to reload the page.');
+ }, false);
+ }
+ if (setInModule) {
+ Module.ctx = ctx;
+ Module.useWebGL = useWebGL;
+ Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() });
+ Browser.init();
+ }
+ return ctx;
+ },destroyContext:function (canvas, useWebGL, setInModule) {},fullScreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullScreen:function (lockPointer, resizeCanvas) {
+ Browser.lockPointer = lockPointer;
+ Browser.resizeCanvas = resizeCanvas;
+ if (typeof Browser.lockPointer === 'undefined') Browser.lockPointer = true;
+ if (typeof Browser.resizeCanvas === 'undefined') Browser.resizeCanvas = false;
+ var canvas = Module['canvas'];
+ function fullScreenChange() {
+ Browser.isFullScreen = false;
+ if ((document['webkitFullScreenElement'] || document['webkitFullscreenElement'] ||
+ document['mozFullScreenElement'] || document['mozFullscreenElement'] ||
+ document['fullScreenElement'] || document['fullscreenElement']) === canvas) {
+ canvas.cancelFullScreen = document['cancelFullScreen'] ||
+ document['mozCancelFullScreen'] ||
+ document['webkitCancelFullScreen'];
+ canvas.cancelFullScreen = canvas.cancelFullScreen.bind(document);
+ if (Browser.lockPointer) canvas.requestPointerLock();
+ Browser.isFullScreen = true;
+ if (Browser.resizeCanvas) Browser.setFullScreenCanvasSize();
+ } else if (Browser.resizeCanvas){
+ Browser.setWindowedCanvasSize();
+ }
+ if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullScreen);
+ }
+ if (!Browser.fullScreenHandlersInstalled) {
+ Browser.fullScreenHandlersInstalled = true;
+ document.addEventListener('fullscreenchange', fullScreenChange, false);
+ document.addEventListener('mozfullscreenchange', fullScreenChange, false);
+ document.addEventListener('webkitfullscreenchange', fullScreenChange, false);
+ }
+ canvas.requestFullScreen = canvas['requestFullScreen'] ||
+ canvas['mozRequestFullScreen'] ||
+ (canvas['webkitRequestFullScreen'] ? function() { canvas['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null);
+ canvas.requestFullScreen();
+ },requestAnimationFrame:function requestAnimationFrame(func) {
+ if (typeof window === 'undefined') { // Provide fallback to setTimeout if window is undefined (e.g. in Node.js)
+ setTimeout(func, 1000/60);
+ } else {
+ if (!window.requestAnimationFrame) {
+ window.requestAnimationFrame = window['requestAnimationFrame'] ||
+ window['mozRequestAnimationFrame'] ||
+ window['webkitRequestAnimationFrame'] ||
+ window['msRequestAnimationFrame'] ||
+ window['oRequestAnimationFrame'] ||
+ window['setTimeout'];
+ }
+ window.requestAnimationFrame(func);
+ }
+ },safeCallback:function (func) {
+ return function() {
+ if (!ABORT) return func.apply(null, arguments);
+ };
+ },safeRequestAnimationFrame:function (func) {
+ return Browser.requestAnimationFrame(function() {
+ if (!ABORT) func();
+ });
+ },safeSetTimeout:function (func, timeout) {
+ return setTimeout(function() {
+ if (!ABORT) func();
+ }, timeout);
+ },safeSetInterval:function (func, timeout) {
+ return setInterval(function() {
+ if (!ABORT) func();
+ }, timeout);
+ },getMimetype:function (name) {
+ return {
+ 'jpg': 'image/jpeg',
+ 'jpeg': 'image/jpeg',
+ 'png': 'image/png',
+ 'bmp': 'image/bmp',
+ 'ogg': 'audio/ogg',
+ 'wav': 'audio/wav',
+ 'mp3': 'audio/mpeg'
+ }[name.substr(name.lastIndexOf('.')+1)];
+ },getUserMedia:function (func) {
+ if(!window.getUserMedia) {
+ window.getUserMedia = navigator['getUserMedia'] ||
+ navigator['mozGetUserMedia'];
+ }
+ window.getUserMedia(func);
+ },getMovementX:function (event) {
+ return event['movementX'] ||
+ event['mozMovementX'] ||
+ event['webkitMovementX'] ||
+ 0;
+ },getMovementY:function (event) {
+ return event['movementY'] ||
+ event['mozMovementY'] ||
+ event['webkitMovementY'] ||
+ 0;
+ },mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,calculateMouseEvent:function (event) { // event should be mousemove, mousedown or mouseup
+ if (Browser.pointerLock) {
+ // When the pointer is locked, calculate the coordinates
+ // based on the movement of the mouse.
+ // Workaround for Firefox bug 764498
+ if (event.type != 'mousemove' &&
+ ('mozMovementX' in event)) {
+ Browser.mouseMovementX = Browser.mouseMovementY = 0;
+ } else {
+ Browser.mouseMovementX = Browser.getMovementX(event);
+ Browser.mouseMovementY = Browser.getMovementY(event);
+ }
+ // check if SDL is available
+ if (typeof SDL != "undefined") {
+ Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
+ Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
+ } else {
+ // just add the mouse delta to the current absolut mouse position
+ // FIXME: ideally this should be clamped against the canvas size and zero
+ Browser.mouseX += Browser.mouseMovementX;
+ Browser.mouseY += Browser.mouseMovementY;
+ }
+ } else {
+ // Otherwise, calculate the movement based on the changes
+ // in the coordinates.
+ var rect = Module["canvas"].getBoundingClientRect();
+ var x, y;
+ if (event.type == 'touchstart' ||
+ event.type == 'touchend' ||
+ event.type == 'touchmove') {
+ var t = event.touches.item(0);
+ if (t) {
+ x = t.pageX - (window.scrollX + rect.left);
+ y = t.pageY - (window.scrollY + rect.top);
+ } else {
+ return;
+ }
+ } else {
+ x = event.pageX - (window.scrollX + rect.left);
+ y = event.pageY - (window.scrollY + rect.top);
+ }
+ // the canvas might be CSS-scaled compared to its backbuffer;
+ // SDL-using content will want mouse coordinates in terms
+ // of backbuffer units.
+ var cw = Module["canvas"].width;
+ var ch = Module["canvas"].height;
+ x = x * (cw / rect.width);
+ y = y * (ch / rect.height);
+ Browser.mouseMovementX = x - Browser.mouseX;
+ Browser.mouseMovementY = y - Browser.mouseY;
+ Browser.mouseX = x;
+ Browser.mouseY = y;
+ }
+ },xhrLoad:function (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)) { // file URLs can return 0
+ onload(xhr.response);
+ } else {
+ onerror();
+ }
+ };
+ xhr.onerror = onerror;
+ xhr.send(null);
+ },asyncLoad:function (url, onload, onerror, noRunDep) {
+ Browser.xhrLoad(url, function(arrayBuffer) {
+ assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
+ onload(new Uint8Array(arrayBuffer));
+ if (!noRunDep) removeRunDependency('al ' + url);
+ }, function(event) {
+ if (onerror) {
+ onerror();
+ } else {
+ throw 'Loading data file "' + url + '" failed.';
+ }
+ });
+ if (!noRunDep) addRunDependency('al ' + url);
+ },resizeListeners:[],updateResizeListeners:function () {
+ var canvas = Module['canvas'];
+ Browser.resizeListeners.forEach(function(listener) {
+ listener(canvas.width, canvas.height);
+ });
+ },setCanvasSize:function (width, height, noUpdates) {
+ var canvas = Module['canvas'];
+ canvas.width = width;
+ canvas.height = height;
+ if (!noUpdates) Browser.updateResizeListeners();
+ },windowedWidth:0,windowedHeight:0,setFullScreenCanvasSize:function () {
+ var canvas = Module['canvas'];
+ this.windowedWidth = canvas.width;
+ this.windowedHeight = canvas.height;
+ canvas.width = screen.width;
+ canvas.height = screen.height;
+ // check if SDL is available
+ if (typeof SDL != "undefined") {
+ var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)];
+ flags = flags | 0x00800000; // set SDL_FULLSCREEN flag
+ HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags
+ }
+ Browser.updateResizeListeners();
+ },setWindowedCanvasSize:function () {
+ var canvas = Module['canvas'];
+ canvas.width = this.windowedWidth;
+ canvas.height = this.windowedHeight;
+ // check if SDL is available
+ if (typeof SDL != "undefined") {
+ var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)];
+ flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag
+ HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags
+ }
+ Browser.updateResizeListeners();
+ }};
+___errno_state = Runtime.staticAlloc(4); HEAP32[((___errno_state)>>2)]=0;
+Module["requestFullScreen"] = function Module_requestFullScreen(lockPointer, resizeCanvas) { Browser.requestFullScreen(lockPointer, resizeCanvas) };
+ Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) { Browser.requestAnimationFrame(func) };
+ Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) };
+ Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.pause() };
+ Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop.resume() };
+ Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia() }
+FS.staticInit();__ATINIT__.unshift({ func: function() { if (!Module["noFSInit"] && !FS.init.initialized) FS.init() } });__ATMAIN__.push({ func: function() { FS.ignorePermissions = false } });__ATEXIT__.push({ func: function() { FS.quit() } });Module["FS_createFolder"] = FS.createFolder;Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createLink"] = FS.createLink;Module["FS_createDevice"] = FS.createDevice;
+__ATINIT__.unshift({ func: function() { TTY.init() } });__ATEXIT__.push({ func: function() { TTY.shutdown() } });TTY.utf8 = new Runtime.UTF8Processor();
+if (ENVIRONMENT_IS_NODE) { var fs = require("fs"); NODEFS.staticInit(); }
+STACK_BASE = STACKTOP = Runtime.alignMemory(STATICTOP);
+staticSealed = true; // seal the static portion of memory
+STACK_MAX = STACK_BASE + 5242880;
+DYNAMIC_BASE = DYNAMICTOP = Runtime.alignMemory(STACK_MAX);
+assert(DYNAMIC_BASE < TOTAL_MEMORY); // Stack must fit in TOTAL_MEMORY; allocations from here on may enlarge TOTAL_MEMORY
+var Math_min = Math.min;
+function invoke_viiiii(index,a1,a2,a3,a4,a5) {
+ try {
+ Module["dynCall_viiiii"](index,a1,a2,a3,a4,a5);
+ } catch(e) {
+ if (typeof e !== 'number' && e !== 'longjmp') throw e;
+ asm["setThrew"](1, 0);
+ }
+}
+function invoke_vi(index,a1) {
+ try {
+ Module["dynCall_vi"](index,a1);
+ } catch(e) {
+ if (typeof e !== 'number' && e !== 'longjmp') throw e;
+ asm["setThrew"](1, 0);
+ }
+}
+function invoke_ii(index,a1) {
+ try {
+ return Module["dynCall_ii"](index,a1);
+ } catch(e) {
+ if (typeof e !== 'number' && e !== 'longjmp') throw e;
+ asm["setThrew"](1, 0);
+ }
+}
+function invoke_v(index) {
+ try {
+ Module["dynCall_v"](index);
+ } catch(e) {
+ if (typeof e !== 'number' && e !== 'longjmp') throw e;
+ asm["setThrew"](1, 0);
+ }
+}
+function invoke_iii(index,a1,a2) {
+ try {
+ return Module["dynCall_iii"](index,a1,a2);
+ } catch(e) {
+ if (typeof e !== 'number' && e !== 'longjmp') throw e;
+ asm["setThrew"](1, 0);
+ }
+}
+function asmPrintInt(x, y) {
+ Module.print('int ' + x + ',' + y);// + ' ' + new Error().stack);
+}
+function asmPrintFloat(x, y) {
+ Module.print('float ' + x + ',' + y);// + ' ' + new Error().stack);
+}
+// EMSCRIPTEN_START_ASM
+var asm=(function(global,env,buffer){"use asm";var a=new global.Int8Array(buffer);var b=new global.Int16Array(buffer);var c=new global.Int32Array(buffer);var d=new global.Uint8Array(buffer);var e=new global.Uint16Array(buffer);var f=new global.Uint32Array(buffer);var g=new global.Float32Array(buffer);var h=new global.Float64Array(buffer);var i=env.STACKTOP|0;var j=env.STACK_MAX|0;var k=env.tempDoublePtr|0;var l=env.ABORT|0;var m=+env.NaN;var n=+env.Infinity;var o=0;var p=0;var q=0;var r=0;var s=0,t=0,u=0,v=0,w=0.0,x=0,y=0,z=0,A=0.0;var B=0;var C=0;var D=0;var E=0;var F=0;var G=0;var H=0;var I=0;var J=0;var K=0;var L=global.Math.floor;var M=global.Math.abs;var N=global.Math.sqrt;var O=global.Math.pow;var P=global.Math.cos;var Q=global.Math.sin;var R=global.Math.tan;var S=global.Math.acos;var T=global.Math.asin;var U=global.Math.atan;var V=global.Math.atan2;var W=global.Math.exp;var X=global.Math.log;var Y=global.Math.ceil;var Z=global.Math.imul;var _=env.abort;var $=env.assert;var aa=env.asmPrintInt;var ab=env.asmPrintFloat;var ac=env.min;var ad=env.invoke_viiiii;var ae=env.invoke_vi;var af=env.invoke_ii;var ag=env.invoke_v;var ah=env.invoke_iii;var ai=env._llvm_lifetime_end;var aj=env._sysconf;var ak=env._sbrk;var al=env.___setErrNo;var am=env.___errno_location;var an=env._llvm_lifetime_start;var ao=env._abort;var ap=env._time;var aq=env._fflush;var ar=0.0;
+// EMSCRIPTEN_START_FUNCS
+function ax(a){a=a|0;var b=0;b=i;i=i+a|0;i=i+7&-8;return b|0}function ay(){return i|0}function az(a){a=a|0;i=a}function aA(a,b){a=a|0;b=b|0;if((o|0)==0){o=a;p=b}}function aB(b){b=b|0;a[k]=a[b];a[k+1|0]=a[b+1|0];a[k+2|0]=a[b+2|0];a[k+3|0]=a[b+3|0]}function aC(b){b=b|0;a[k]=a[b];a[k+1|0]=a[b+1|0];a[k+2|0]=a[b+2|0];a[k+3|0]=a[b+3|0];a[k+4|0]=a[b+4|0];a[k+5|0]=a[b+5|0];a[k+6|0]=a[b+6|0];a[k+7|0]=a[b+7|0]}function aD(a){a=a|0;B=a}function aE(a){a=a|0;C=a}function aF(a){a=a|0;D=a}function aG(a){a=a|0;E=a}function aH(a){a=a|0;F=a}function aI(a){a=a|0;G=a}function aJ(a){a=a|0;H=a}function aK(a){a=a|0;I=a}function aL(a){a=a|0;J=a}function aM(a){a=a|0;K=a}function aN(){}function aO(b,e,f,g){b=b|0;e=e|0;f=f|0;g=g|0;var h=0,i=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0;L1:do{if(e>>>0>3>>>0){if((a[b]|0)!=0){h=19;break}if((a[b+1|0]|0)!=0){h=19;break}i=a[b+2|0]|0;if((i&255)>>>0>=2>>>0){h=19;break}L6:do{if((e|0)!=3){j=2;k=b+3|0;l=3;m=-3;n=i;while(1){if((n<<24>>24|0)==0){o=j+1|0}else if((n<<24>>24|0)==1){if(j>>>0>1>>>0){p=k;q=0;r=0;s=0;t=l;break}else{o=0}}else{o=0}u=l+1|0;if((u|0)==(e|0)){break L6}v=~l;w=a[k]|0;j=o;k=k+1|0;l=u;m=v;n=w}while(1){n=a[p]|0;k=t+1|0;j=n<<24>>24!=0;x=(j&1^1)+s|0;y=n<<24>>24==3&(x|0)==2?1:r;if(n<<24>>24==1&x>>>0>1>>>0){h=14;break}if(j){z=x>>>0>2>>>0?1:q;A=0}else{z=q;A=x}if((k|0)==(e|0)){h=18;break}else{p=p+1|0;q=z;r=y;s=A;t=k}}if((h|0)==14){k=m+t-x|0;c[f+12>>2]=k;B=q;C=y;D=x-(x>>>0<3>>>0?x:3)|0;E=l;F=k;break L1}else if((h|0)==18){k=m+e-A|0;c[f+12>>2]=k;B=z;C=y;D=A;E=l;F=k;break L1}}}while(0);c[g>>2]=e;G=1;return G|0}else{h=19}}while(0);if((h|0)==19){c[f+12>>2]=e;B=0;C=1;D=0;E=0;F=e}e=b+E|0;b=f|0;c[b>>2]=e;c[f+4>>2]=e;c[f+8>>2]=0;c[f+16>>2]=0;e=f+12|0;c[g>>2]=D+E+F;if((B|0)!=0){G=1;return G|0}if((C|0)==0){G=0;return G|0}C=c[b>>2]|0;b=C;B=C;C=0;F=c[e>>2]|0;L35:while(1){H=B;E=C;D=F;while(1){I=D-1|0;if((D|0)==0){h=31;break L35}J=a[H]|0;if((E|0)!=2){K=E;break}if(J<<24>>24!=3){h=29;break}if((I|0)==0){G=1;h=36;break L35}g=H+1|0;if((d[g]|0)>>>0>3>>>0){G=1;h=37;break L35}else{H=g;E=0;D=I}}if((h|0)==29){h=0;if((J&255)>>>0<3>>>0){G=1;h=38;break}else{K=2}}a[b]=J;b=b+1|0;B=H+1|0;C=J<<24>>24==0?K+1|0:0;F=I}if((h|0)==31){c[e>>2]=b-H+(c[e>>2]|0);G=0;return G|0}else if((h|0)==36){return G|0}else if((h|0)==37){return G|0}else if((h|0)==38){return G|0}return 0}function aP(e,f,g,h){e=e|0;f=f|0;g=g|0;h=h|0;var j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ab=0,ac=0,ad=0,ae=0,af=0,ag=0,ah=0,ai=0,aj=0,ak=0,al=0,am=0,an=0,ao=0,ap=0,aq=0,ar=0,as=0,at=0,au=0,av=0,aw=0;j=i;i=i+128|0;k=j|0;l=j+64|0;m=ck(e)|0;n=m>>>16;do{if(g>>>0<2>>>0){if((m|0)<0){o=1;break}if(m>>>0>201326591>>>0){p=4016+(m>>>26<<1)|0;q=64;break}if(m>>>0>16777215>>>0){p=3920+(m>>>22<<1)|0;q=64;break}if(m>>>0>2097151>>>0){p=3808+((m>>>18)-8<<1)|0;q=64;break}else{p=3744+(n<<1)|0;q=64;break}}else{if(g>>>0<4>>>0){if((m|0)<0){o=(n&16384|0)!=0?2:2082;break}if(m>>>0>268435455>>>0){p=3680+(m>>>26<<1)|0;q=64;break}if(m>>>0>33554431>>>0){p=3616+(m>>>23<<1)|0;q=64;break}else{p=3360+(m>>>18<<1)|0;q=64;break}}else{if(g>>>0<8>>>0){r=m>>>26;if((r-8|0)>>>0<56>>>0){p=3232+(r<<1)|0;q=64;break}p=2976+(m>>>22<<1)|0;q=64;break}if(g>>>0<17>>>0){p=2848+(m>>>26<<1)|0;q=64;break}r=m>>>29;if((r|0)!=0){p=2832+(r<<1)|0;q=64;break}p=2768+(m>>>24<<1)|0;q=64;break}}}while(0);do{if((q|0)==64){g=b[p>>1]|0;if(g<<16>>16==0){s=1}else{o=g&65535;break}i=j;return s|0}}while(0);p=o&31;g=m<<p;m=32-p|0;n=o>>>11;if(n>>>0>h>>>0){s=1;i=j;return s|0}r=o>>>5&63;do{if((n|0)==0){t=m;u=0}else{if((r|0)==0){v=m;w=g;x=0}else{do{if(m>>>0<r>>>0){if((cl(e,p)|0)==-1){s=1;i=j;return s|0}else{y=32;z=ck(e)|0;break}}else{y=m;z=g}}while(0);A=z>>>((32-r|0)>>>0);B=z<<r;C=1<<r-1;D=0;do{c[k+(D<<2)>>2]=(C&A|0)!=0?-1:1;C=C>>>1;D=D+1|0;}while((C|0)!=0);v=y-r|0;w=B;x=D}C=r>>>0<3>>>0;L107:do{if(x>>>0<n>>>0){A=x;E=o>>>0>22527>>>0&C&1;F=w;G=v;L109:while(1){if(G>>>0<16>>>0){if((cl(e,32-G|0)|0)==-1){s=1;q=169;break}H=32;I=ck(e)|0}else{H=G;I
\ No newline at end of file
+// EMSCRIPTEN_END_FUNCS
+var as=[cL,cL,bX,cL,bY,cL,cL,cL];var at=[cM,cM];var au=[cN,cN];var av=[cO,cO];var aw=[cP,cP];return{_h264bsdCroppingParams:a4,_strlen:cF,_h264bsdInit:a_,_h264bsdNextOutputPicture:a1,_h264bsdAlloc:a5,_h264bsdShutdown:a0,_memset:cD,_malloc:cB,_memcpy:cE,_h264bsdPicWidth:a2,_h264bsdFree:a6,_free:cC,_h264bsdDecode:a$,_h264bsdPicHeight:a3,runPostSets:aN,stackAlloc:ax,stackSave:ay,stackRestore:az,setThrew:aA,setTempRet0:aD,setTempRet1:aE,setTempRet2:aF,setTempRet3:aG,setTempRet4:aH,setTempRet5:aI,setTempRet6:aJ,setTempRet7:aK,setTempRet8:aL,setTempRet9:aM,dynCall_viiiii:cG,dynCall_vi:cH,dynCall_ii:cI,dynCall_v:cJ,dynCall_iii:cK}})
+// EMSCRIPTEN_END_ASM
+({ "Math": Math, "Int8Array": Int8Array, "Int16Array": Int16Array, "Int32Array": Int32Array, "Uint8Array": Uint8Array, "Uint16Array": Uint16Array, "Uint32Array": Uint32Array, "Float32Array": Float32Array, "Float64Array": Float64Array }, { "abort": abort, "assert": assert, "asmPrintInt": asmPrintInt, "asmPrintFloat": asmPrintFloat, "min": Math_min, "invoke_viiiii": invoke_viiiii, "invoke_vi": invoke_vi, "invoke_ii": invoke_ii, "invoke_v": invoke_v, "invoke_iii": invoke_iii, "_llvm_lifetime_end": _llvm_lifetime_end, "_sysconf": _sysconf, "_sbrk": _sbrk, "___setErrNo": ___setErrNo, "___errno_location": ___errno_location, "_llvm_lifetime_start": _llvm_lifetime_start, "_abort": _abort, "_time": _time, "_fflush": _fflush, "STACKTOP": STACKTOP, "STACK_MAX": STACK_MAX, "tempDoublePtr": tempDoublePtr, "ABORT": ABORT, "NaN": NaN, "Infinity": Infinity }, buffer);
+var _h264bsdCroppingParams = Module["_h264bsdCroppingParams"] = asm["_h264bsdCroppingParams"];
+var _strlen = Module["_strlen"] = asm["_strlen"];
+var _h264bsdInit = Module["_h264bsdInit"] = asm["_h264bsdInit"];
+var _h264bsdNextOutputPicture = Module["_h264bsdNextOutputPicture"] = asm["_h264bsdNextOutputPicture"];
+var _h264bsdAlloc = Module["_h264bsdAlloc"] = asm["_h264bsdAlloc"];
+var _h264bsdShutdown = Module["_h264bsdShutdown"] = asm["_h264bsdShutdown"];
+var _memset = Module["_memset"] = asm["_memset"];
+var _malloc = Module["_malloc"] = asm["_malloc"];
+var _memcpy = Module["_memcpy"] = asm["_memcpy"];
+var _h264bsdPicWidth = Module["_h264bsdPicWidth"] = asm["_h264bsdPicWidth"];
+var _h264bsdFree = Module["_h264bsdFree"] = asm["_h264bsdFree"];
+var _free = Module["_free"] = asm["_free"];
+var _h264bsdDecode = Module["_h264bsdDecode"] = asm["_h264bsdDecode"];
+var _h264bsdPicHeight = Module["_h264bsdPicHeight"] = asm["_h264bsdPicHeight"];
+var runPostSets = Module["runPostSets"] = asm["runPostSets"];
+var dynCall_viiiii = Module["dynCall_viiiii"] = asm["dynCall_viiiii"];
+var dynCall_vi = Module["dynCall_vi"] = asm["dynCall_vi"];
+var dynCall_ii = Module["dynCall_ii"] = asm["dynCall_ii"];
+var dynCall_v = Module["dynCall_v"] = asm["dynCall_v"];
+var dynCall_iii = Module["dynCall_iii"] = asm["dynCall_iii"];
+Runtime.stackAlloc = function(size) { return asm['stackAlloc'](size) };
+Runtime.stackSave = function() { return asm['stackSave']() };
+Runtime.stackRestore = function(top) { asm['stackRestore'](top) };
+// Warning: printing of i64 values may be slightly rounded! No deep i64 math used, so precise i64 code not included
+var i64Math = null;
+// === Auto-generated postamble setup entry stuff ===
+if (memoryInitializer) {
+ function applyData(data) {
+ HEAPU8.set(data, STATIC_BASE);
+ }
+ if (ENVIRONMENT_IS_NODE || ENVIRONMENT_IS_SHELL) {
+ applyData(Module['readBinary'](memoryInitializer));
+ } else {
+ addRunDependency('memory initializer');
+ Browser.asyncLoad(memoryInitializer, function(data) {
+ applyData(data);
+ removeRunDependency('memory initializer');
+ }, function(data) {
+ throw 'could not load memory initializer ' + memoryInitializer;
+ });
+ }
+}
+function ExitStatus(status) {
+ this.name = "ExitStatus";
+ this.message = "Program terminated with exit(" + status + ")";
+ this.status = status;
+};
+ExitStatus.prototype = new Error();
+ExitStatus.prototype.constructor = ExitStatus;
+var initialStackTop;
+var preloadStartTime = null;
+var calledMain = false;
+dependenciesFulfilled = function runCaller() {
+ // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
+ if (!Module['calledRun'] && shouldRunNow) run();
+ if (!Module['calledRun']) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
+}
+Module['callMain'] = Module.callMain = function callMain(args) {
+ assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on __ATMAIN__)');
+ assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
+ args = args || [];
+ if (ENVIRONMENT_IS_WEB && preloadStartTime !== null) {
+ Module.printErr('preload time: ' + (Date.now() - preloadStartTime) + ' ms');
+ }
+ ensureInitRuntime();
+ var argc = args.length+1;
+ function pad() {
+ for (var i = 0; i < 4-1; i++) {
+ argv.push(0);
+ }
+ }
+ var argv = [allocate(intArrayFromString("/bin/this.program"), 'i8', ALLOC_NORMAL) ];
+ pad();
+ for (var i = 0; i < argc-1; i = i + 1) {
+ argv.push(allocate(intArrayFromString(args[i]), 'i8', ALLOC_NORMAL));
+ pad();
+ }
+ argv.push(0);
+ argv = allocate(argv, 'i32', ALLOC_NORMAL);
+ initialStackTop = STACKTOP;
+ try {
+ var ret = Module['_main'](argc, argv, 0);
+ // if we're not running an evented main loop, it's time to exit
+ if (!Module['noExitRuntime']) {
+ exit(ret);
+ }
+ }
+ catch(e) {
+ if (e instanceof ExitStatus) {
+ // exit() throws this once it's done to make sure execution
+ // has been stopped completely
+ return;
+ } else if (e == 'SimulateInfiniteLoop') {
+ // running an evented main loop, don't immediately exit
+ Module['noExitRuntime'] = true;
+ return;
+ } else {
+ if (e && typeof e === 'object' && e.stack) Module.printErr('exception thrown: ' + [e, e.stack]);
+ throw e;
+ }
+ } finally {
+ calledMain = true;
+ }
+}
+function run(args) {
+ args = args || Module['arguments'];
+ if (preloadStartTime === null) preloadStartTime = Date.now();
+ if (runDependencies > 0) {
+ Module.printErr('run() called, but dependencies remain, so not running');
+ return;
+ }
+ preRun();
+ if (runDependencies > 0) {
+ // a preRun added a dependency, run will be called later
+ return;
+ }
+ function doRun() {
+ ensureInitRuntime();
+ preMain();
+ Module['calledRun'] = true;
+ if (Module['_main'] && shouldRunNow) {
+ Module['callMain'](args);
+ }
+ postRun();
+ }
+ if (Module['setStatus']) {
+ Module['setStatus']('Running...');
+ setTimeout(function() {
+ setTimeout(function() {
+ Module['setStatus']('');
+ }, 1);
+ if (!ABORT) doRun();
+ }, 1);
+ } else {
+ doRun();
+ }
+}
+Module['run'] = Module.run = run;
+function exit(status) {
+ ABORT = true;
+ EXITSTATUS = status;
+ STACKTOP = initialStackTop;
+ // exit the runtime
+ exitRuntime();
+ // TODO We should handle this differently based on environment.
+ // In the browser, the best we can do is throw an exception
+ // to halt execution, but in node we could process.exit and
+ // I'd imagine SM shell would have something equivalent.
+ // This would let us set a proper exit status (which
+ // would be great for checking test exit statuses).
+ // https://github.com/kripken/emscripten/issues/1371
+ // throw an exception to halt the current execution
+ throw new ExitStatus(status);
+}
+Module['exit'] = Module.exit = exit;
+function abort(text) {
+ if (text) {
+ Module.print(text);
+ Module.printErr(text);
+ }
+ ABORT = true;
+ EXITSTATUS = 1;
+ throw 'abort() at ' + stackTrace();
+}
+Module['abort'] = Module.abort = abort;
+// {{PRE_RUN_ADDITIONS}}
+if (Module['preInit']) {
+ if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
+ while (Module['preInit'].length > 0) {
+ Module['preInit'].pop()();
+ }
+}
+// shouldRunNow refers to calling main(), not run().
+var shouldRunNow = true;
+if (Module['noInitialRun']) {
+ shouldRunNow = false;
+}
+run();
+// {{POST_RUN_ADDITIONS}}
+// {{MODULE_ADDITIONS}}