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Unified Diff: test/mjsunit/asm/embenchen/fannkuch.js

Issue 704653004: Add test cases based on the programs from the Embenchen benchmark suite. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Mark certain tests as slow. Created 6 years, 1 month ago
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Index: test/mjsunit/asm/embenchen/fannkuch.js
diff --git a/test/mjsunit/asm/embenchen/fannkuch.js b/test/mjsunit/asm/embenchen/fannkuch.js
new file mode 100644
index 0000000000000000000000000000000000000000..d4c1a3194b52b12e737add9b28f005f6c1733c33
--- /dev/null
+++ b/test/mjsunit/asm/embenchen/fannkuch.js
@@ -0,0 +1,8439 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var EXPECTED_OUTPUT =
+ '123456789\n' +
+ '213456789\n' +
+ '231456789\n' +
+ '321456789\n' +
+ '312456789\n' +
+ '132456789\n' +
+ '234156789\n' +
+ '324156789\n' +
+ '342156789\n' +
+ '432156789\n' +
+ '423156789\n' +
+ '243156789\n' +
+ '341256789\n' +
+ '431256789\n' +
+ '413256789\n' +
+ '143256789\n' +
+ '134256789\n' +
+ '314256789\n' +
+ '412356789\n' +
+ '142356789\n' +
+ '124356789\n' +
+ '214356789\n' +
+ '241356789\n' +
+ '421356789\n' +
+ '234516789\n' +
+ '324516789\n' +
+ '342516789\n' +
+ '432516789\n' +
+ '423516789\n' +
+ '243516789\n' +
+ 'Pfannkuchen(9) = 30.\n';
+var Module = {
+ arguments: [1],
+ print: function(x) {Module.printBuffer += x + '\n';},
+ preRun: [function() {Module.printBuffer = ''}],
+ postRun: [function() {
+ assertEquals(EXPECTED_OUTPUT, Module.printBuffer);
+ }],
+};
+// 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 = (typeof Module !== 'undefined' ? Module : null) || {};
+
+// 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
+ if (!Module['print']) Module['print'] = function print(x) {
+ process['stdout'].write(x + '\n');
+ };
+ if (!Module['printErr']) 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) {
+ if (!Module['print']) 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') {
+ if (!Module['print']) Module['print'] = function print(x) {
+ console.log(x);
+ };
+ if (!Module['printErr']) 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;
+ if (!Module['print']) 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) {
+ window['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 (!vararg && (type == 'i64' || type == 'double')) 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_ && 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
+ }
+ var source = Pointer_stringify(code);
+ if (source[0] === '"') {
+ // tolerate EM_ASM("..code..") even though EM_ASM(..code..) is correct
+ if (source.indexOf('"', 1) === source.length-1) {
+ source = source.substr(1, source.length-2);
+ } else {
+ // something invalid happened, e.g. EM_ASM("..code($0)..", input)
+ abort('invalid EM_ASM input |' + source + '|. Please use EM_ASM(..code..) (no quotes) or EM_ASM({ ..code($0).. }, input) (to input values)');
+ }
+ }
+ try {
+ var evalled = eval('(function(' + args.join(',') + '){ ' + source + ' })'); // new Function does not allow upvars in node
+ } catch(e) {
+ Module.printErr('error in executing inline EM_ASM code: ' + e + ' on: \n\n' + source + '\n\nwith args |' + args + '| (make sure to use the right one out of EM_ASM, EM_ASM_ARGS, etc.)');
+ throw e;
+ }
+ return Runtime.asmConstCache[code] = evalled;
+ },
+ 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) {
+ /* TODO: use TextEncoder when present,
+ var encoder = new TextEncoder();
+ encoder['encoding'] = "utf-8";
+ var utf8Array = encoder['encode'](aMsg.data);
+ */
+ string = unescape(encodeURIComponent(string));
+ var ret = [];
+ for (var i = 0; i < string.length; i++) {
+ ret.push(string.charCodeAt(i));
+ }
+ return ret;
+ }
+ },
+ getCompilerSetting: function (name) {
+ throw 'You must build with -s RETAIN_COMPILER_SETTINGS=1 for Runtime.getCompilerSetting or emscripten_get_compiler_setting to work';
+ },
+ 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
+}
+
+
+Module['Runtime'] = Runtime;
+
+
+
+
+
+
+
+
+
+//========================================
+// 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) {
+ 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': '...'
+ };
+ var subs = [];
+ var first = true;
+ 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 + '^');
+ }
+ 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;
+ }
+ 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)
+ if (rawList) {
+ if (ret) {
+ list.push(ret + '?');
+ }
+ return list;
+ } else {
+ return ret + flushList();
+ }
+ }
+ try {
+ // Special-case the entry point, since its name differs from other name mangling.
+ if (func == 'Object._main' || func == '_main') {
+ return 'main()';
+ }
+ 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()';
+ }
+ 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. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value ' + TOTAL_MEMORY + ', (2) compile with ALLOW_MEMORY_GROWTH which adjusts the size at runtime but prevents some optimizations, or (3) set Module.TOTAL_MEMORY before the program runs.');
+}
+
+var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880;
+var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 134217728;
+var FAST_MEMORY = Module['FAST_MEMORY'] || 2097152;
+
+var totalMemory = 4096;
+while (totalMemory < TOTAL_MEMORY || totalMemory < 2*TOTAL_STACK) {
+ if (totalMemory < 16*1024*1024) {
+ totalMemory *= 2;
+ } else {
+ totalMemory += 16*1024*1024
+ }
+}
+if (totalMemory !== TOTAL_MEMORY) {
+ Module.printErr('increasing TOTAL_MEMORY to ' + totalMemory + ' to be more reasonable');
+ TOTAL_MEMORY = totalMemory;
+}
+
+// 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']),
+ 'JS engine does not provide full typed array support');
+
+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) {
+ 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) {
+ 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;
+}
+
+// check for imul support, and also for correctness ( https://bugs.webkit.org/show_bug.cgi?id=126345 )
+if (!Math['imul'] || Math['imul'](0xffffffff, 5) !== -5) 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 + Runtime.alignMemory(547);
+/* global initializers */ __ATINIT__.push();
+
+
+/* memory initializer */ allocate([101,114,114,111,114,58,32,37,100,10,0,0,0,0,0,0,80,102,97,110,110,107,117,99,104,101,110,40,37,100,41,32,61,32,37,100,46,10,0,0,37,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], "i8", ALLOC_NONE, Runtime.GLOBAL_BASE);
+
+
+
+
+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];
+
+}
+
+
+
+
+
+
+ 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};
+
+ 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 ___errno_state=0;function ___setErrNo(value) {
+ // For convenient setting and returning of errno.
+ HEAP32[((___errno_state)>>2)]=value;
+ return value;
+ }
+
+ 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 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 | 511 /* 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,
+ 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, 511 /* 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:21,DB_STORE_NAME:"FILE_DATA",mount:function (mount) {
+ // reuse all of the core MEMFS functionality
+ 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);
+ });
+ });
+ },getDB:function (name, callback) {
+ // check the cache first
+ 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 callback(e);
+ }
+ req.onupgradeneeded = function(e) {
+ var db = e.target.result;
+ var transaction = e.target.transaction;
+
+ var fileStore;
+
+ if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) {
+ fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME);
+ } else {
+ fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME);
+ }
+
+ fileStore.createIndex('timestamp', 'timestamp', { unique: false });
+ };
+ req.onsuccess = function() {
+ db = req.result;
+
+ // add to the cache
+ IDBFS.dbs[name] = db;
+ callback(null, db);
+ };
+ req.onerror = function() {
+ callback(this.error);
+ };
+ },getLocalSet:function (mount, callback) {
+ var entries = {};
+
+ 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;
+
+ try {
+ 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)));
+ }
+
+ entries[path] = { timestamp: stat.mtime };
+ }
+
+ return callback(null, { type: 'local', entries: entries });
+ },getRemoteSet:function (mount, callback) {
+ var entries = {};
+
+ IDBFS.getDB(mount.mountpoint, function(err, db) {
+ if (err) return callback(err);
+
+ var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readonly');
+ transaction.onerror = function() { callback(this.error); };
+
+ var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
+ var index = store.index('timestamp');
+
+ index.openKeyCursor().onsuccess = function(event) {
+ var cursor = event.target.result;
+
+ if (!cursor) {
+ return callback(null, { type: 'remote', db: db, entries: entries });
+ }
+
+ entries[cursor.primaryKey] = { timestamp: cursor.key };
+
+ cursor.continue();
+ };
+ });
+ },loadLocalEntry:function (path, callback) {
+ 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)) {
+ return callback(null, { timestamp: stat.mtime, mode: stat.mode });
+ } else if (FS.isFile(stat.mode)) {
+ return callback(null, { timestamp: stat.mtime, mode: stat.mode, contents: node.contents });
+ } else {
+ return callback(new Error('node type not supported'));
+ }
+ },storeLocalEntry:function (path, entry, callback) {
+ try {
+ if (FS.isDir(entry.mode)) {
+ FS.mkdir(path, entry.mode);
+ } else if (FS.isFile(entry.mode)) {
+ FS.writeFile(path, entry.contents, { encoding: 'binary', canOwn: true });
+ } else {
+ return callback(new Error('node type not supported'));
+ }
+
+ FS.utime(path, entry.timestamp, entry.timestamp);
+ } catch (e) {
+ return callback(e);
+ }
+
+ callback(null);
+ },removeLocalEntry:function (path, callback) {
+ try {
+ var lookup = FS.lookupPath(path);
+ var stat = FS.stat(path);
+
+ if (FS.isDir(stat.mode)) {
+ FS.rmdir(path);
+ } else if (FS.isFile(stat.mode)) {
+ FS.unlink(path);
+ }
+ } catch (e) {
+ return callback(e);
+ }
+
+ callback(null);
+ },loadRemoteEntry:function (store, path, callback) {
+ var req = store.get(path);
+ req.onsuccess = function(event) { callback(null, event.target.result); };
+ req.onerror = function() { callback(this.error); };
+ },storeRemoteEntry:function (store, path, entry, callback) {
+ var req = store.put(entry, path);
+ req.onsuccess = function() { callback(null); };
+ req.onerror = function() { callback(this.error); };
+ },removeRemoteEntry:function (store, path, callback) {
+ var req = store.delete(path);
+ req.onsuccess = function() { callback(null); };
+ req.onerror = function() { callback(this.error); };
+ },reconcile:function (src, dst, callback) {
+ var total = 0;
+
+ var create = [];
+ Object.keys(src.entries).forEach(function (key) {
+ var e = src.entries[key];
+ var e2 = dst.entries[key];
+ if (!e2 || e.timestamp > e2.timestamp) {
+ create.push(key);
+ total++;
+ }
+ });
+
+ var remove = [];
+ Object.keys(dst.entries).forEach(function (key) {
+ var e = dst.entries[key];
+ var e2 = src.entries[key];
+ if (!e2) {
+ remove.push(key);
+ total++;
+ }
+ });
+
+ if (!total) {
+ return callback(null);
+ }
+
+ var errored = false;
+ var completed = 0;
+ var db = src.type === 'remote' ? src.db : dst.db;
+ var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readwrite');
+ var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
+
+ function done(err) {
+ if (err) {
+ if (!done.errored) {
+ done.errored = true;
+ return callback(err);
+ }
+ return;
+ }
+ if (++completed >= total) {
+ return callback(null);
+ }
+ };
+
+ transaction.onerror = function() { done(this.error); };
+
+ // sort paths in ascending order so directory entries are created
+ // before the files inside them
+ create.sort().forEach(function (path) {
+ if (dst.type === 'local') {
+ IDBFS.loadRemoteEntry(store, path, function (err, entry) {
+ if (err) return done(err);
+ IDBFS.storeLocalEntry(path, entry, done);
+ });
+ } else {
+ IDBFS.loadLocalEntry(path, function (err, entry) {
+ if (err) return done(err);
+ IDBFS.storeRemoteEntry(store, path, entry, done);
+ });
+ }
+ });
+
+ // sort paths in descending order so files are deleted before their
+ // parent directories
+ remove.sort().reverse().forEach(function(path) {
+ if (dst.type === 'local') {
+ IDBFS.removeLocalEntry(path, done);
+ } else {
+ IDBFS.removeRemoteEntry(store, path, done);
+ }
+ });
+ }};
+
+ 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:[],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 || {};
+
+ var defaults = {
+ follow_mount: true,
+ recurse_count: 0
+ };
+ for (var key in defaults) {
+ if (opts[key] === undefined) {
+ opts[key] = defaults[key];
+ }
+ }
+
+ if (opts.recurse_count > 8) { // 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)) {
+ if (!islast || (islast && opts.follow_mount)) {
+ current = current.mounted.root;
+ }
+ }
+
+ // 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) {
+ if (!parent) {
+ parent = this; // root node sets parent to itself
+ }
+ this.parent = parent;
+ this.mount = parent.mount;
+ this.mounted = null;
+ this.id = FS.nextInode++;
+ this.name = name;
+ this.mode = mode;
+ this.node_ops = {};
+ this.stream_ops = {};
+ this.rdev = rdev;
+ };
+
+ FS.FSNode.prototype = {};
+
+ // compatibility
+ var readMode = 292 | 73;
+ var writeMode = 146;
+
+ // 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); },
+ },
+ });
+ }
+
+ var node = new FS.FSNode(parent, name, mode, rdev);
+
+ FS.hashAddNode(node);
+
+ return node;
+ },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 || 0;
+ fd_end = fd_end || FS.MAX_OPEN_FDS;
+ for (var fd = fd_start; fd <= fd_end; fd++) {
+ if (!FS.streams[fd]) {
+ return fd;
+ }
+ }
+ throw new FS.ErrnoError(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 (0) {
+ // 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;
+ },getStreamFromPtr:function (ptr) {
+ return FS.streams[ptr - 1];
+ },getPtrForStream:function (stream) {
+ return stream ? stream.fd + 1 : 0;
+ },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];
+ },getMounts:function (mount) {
+ var mounts = [];
+ var check = [mount];
+
+ while (check.length) {
+ var m = check.pop();
+
+ mounts.push(m);
+
+ check.push.apply(check, m.mounts);
+ }
+
+ return mounts;
+ },syncfs:function (populate, callback) {
+ if (typeof(populate) === 'function') {
+ callback = populate;
+ populate = false;
+ }
+
+ var mounts = FS.getMounts(FS.root.mount);
+ var completed = 0;
+
+ function done(err) {
+ if (err) {
+ if (!done.errored) {
+ done.errored = true;
+ return callback(err);
+ }
+ return;
+ }
+ if (++completed >= mounts.length) {
+ callback(null);
+ }
+ };
+
+ // sync all mounts
+ mounts.forEach(function (mount) {
+ if (!mount.type.syncfs) {
+ return done(null);
+ }
+ mount.type.syncfs(mount, populate, done);
+ });
+ },mount:function (type, opts, mountpoint) {
+ var root = mountpoint === '/';
+ var pseudo = !mountpoint;
+ var node;
+
+ if (root && FS.root) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+ } else if (!root && !pseudo) {
+ var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
+
+ mountpoint = lookup.path; // use the absolute path
+ node = lookup.node;
+
+ if (FS.isMountpoint(node)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EBUSY);
+ }
+
+ if (!FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
+ }
+ }
+
+ var mount = {
+ type: type,
+ opts: opts,
+ mountpoint: mountpoint,
+ mounts: []
+ };
+
+ // create a root node for the fs
+ var mountRoot = type.mount(mount);
+ mountRoot.mount = mount;
+ mount.root = mountRoot;
+
+ if (root) {
+ FS.root = mountRoot;
+ } else if (node) {
+ // set as a mountpoint
+ node.mounted = mount;
+
+ // add the new mount to the current mount's children
+ if (node.mount) {
+ node.mount.mounts.push(mount);
+ }
+ }
+
+ return mountRoot;
+ },unmount:function (mountpoint) {
+ var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
+
+ if (!FS.isMountpoint(lookup.node)) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+
+ // destroy the nodes for this mount, and all its child mounts
+ var node = lookup.node;
+ var mount = node.mounted;
+ var mounts = FS.getMounts(mount);
+
+ Object.keys(FS.nameTable).forEach(function (hash) {
+ var current = FS.nameTable[hash];
+
+ while (current) {
+ var next = current.name_next;
+
+ if (mounts.indexOf(current.mount) !== -1) {
+ FS.destroyNode(current);
+ }
+
+ current = next;
+ }
+ });
+
+ // no longer a mountpoint
+ node.mounted = null;
+
+ // remove this mount from the child mounts
+ var idx = node.mount.mounts.indexOf(mount);
+ assert(idx !== -1);
+ node.mount.mounts.splice(idx, 1);
+ },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 : 438 /* 0666 */;
+ mode &= 4095;
+ mode |= 32768;
+ return FS.mknod(path, mode, 0);
+ },mkdir:function (path, mode) {
+ mode = mode !== undefined ? mode : 511 /* 0777 */;
+ mode &= 511 | 512;
+ mode |= 16384;
+ return FS.mknod(path, mode, 0);
+ },mkdev:function (path, mode, dev) {
+ if (typeof(dev) === 'undefined') {
+ dev = mode;
+ mode = 438 /* 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);
+ 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' ? 438 /* 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';
+ if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {
+ throw new Error('Invalid encoding type "' + opts.encoding + '"');
+ }
+ var ret;
+ var stream = FS.open(path, opts.flags);
+ var stat = FS.stat(path);
+ var length = stat.size;
+ var buf = new Uint8Array(length);
+ FS.read(stream, buf, 0, length, 0);
+ if (opts.encoding === 'utf8') {
+ ret = '';
+ var utf8 = new Runtime.UTF8Processor();
+ for (var i = 0; i < length; i++) {
+ ret += utf8.processCChar(buf[i]);
+ }
+ } else if (opts.encoding === 'binary') {
+ ret = buf;
+ }
+ FS.close(stream);
+ return ret;
+ },writeFile:function (path, data, opts) {
+ opts = opts || {};
+ opts.flags = opts.flags || 'w';
+ opts.encoding = opts.encoding || 'utf8';
+ if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {
+ throw new Error('Invalid encoding type "' + opts.encoding + '"');
+ }
+ 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, opts.canOwn);
+ } else if (opts.encoding === 'binary') {
+ FS.write(stream, data, 0, data.length, 0, opts.canOwn);
+ }
+ 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)]=FS.getPtrForStream(stdin);
+ assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')');
+
+ var stdout = FS.open('/dev/stdout', 'w');
+ HEAP32[((_stdout)>>2)]=FS.getPtrForStream(stdout);
+ assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')');
+
+ var stderr = FS.open('/dev/stderr', 'w');
+ HEAP32[((_stderr)>>2)]=FS.getPtrForStream(stderr);
+ assert(stderr.fd === 2, '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];
+ };
+ 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.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) {
+ // 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;
+ }
+ if (typeof XMLHttpRequest !== 'undefined') {
+ if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
+ var lazyArray = new LazyUint8Array();
+ Object.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;
+ }};
+
+
+
+
+ function _mkport() { throw 'TODO' }var SOCKFS={mount:function (mount) {
+ return FS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
+ },createSocket:function (family, type, protocol) {
+ var streaming = type == 1;
+ if (protocol) {
+ assert(streaming == (protocol == 6)); // if SOCK_STREAM, must be tcp
+ }
+
+ // create our internal socket structure
+ var sock = {
+ family: family,
+ type: type,
+ protocol: protocol,
+ server: null,
+ peers: {},
+ pending: [],
+ recv_queue: [],
+ sock_ops: SOCKFS.websocket_sock_ops
+ };
+
+ // create the filesystem node to store the socket structure
+ var name = SOCKFS.nextname();
+ var node = FS.createNode(SOCKFS.root, name, 49152, 0);
+ node.sock = sock;
+
+ // and the wrapping stream that enables library functions such
+ // as read and write to indirectly interact with the socket
+ var stream = FS.createStream({
+ path: name,
+ node: node,
+ flags: FS.modeStringToFlags('r+'),
+ seekable: false,
+ stream_ops: SOCKFS.stream_ops
+ });
+
+ // map the new stream to the socket structure (sockets have a 1:1
+ // relationship with a stream)
+ sock.stream = stream;
+
+ return sock;
+ },getSocket:function (fd) {
+ var stream = FS.getStream(fd);
+ if (!stream || !FS.isSocket(stream.node.mode)) {
+ return null;
+ }
+ return stream.node.sock;
+ },stream_ops:{poll:function (stream) {
+ var sock = stream.node.sock;
+ return sock.sock_ops.poll(sock);
+ },ioctl:function (stream, request, varargs) {
+ var sock = stream.node.sock;
+ return sock.sock_ops.ioctl(sock, request, varargs);
+ },read:function (stream, buffer, offset, length, position /* ignored */) {
+ var sock = stream.node.sock;
+ var msg = sock.sock_ops.recvmsg(sock, length);
+ if (!msg) {
+ // socket is closed
+ return 0;
+ }
+ buffer.set(msg.buffer, offset);
+ return msg.buffer.length;
+ },write:function (stream, buffer, offset, length, position /* ignored */) {
+ var sock = stream.node.sock;
+ return sock.sock_ops.sendmsg(sock, buffer, offset, length);
+ },close:function (stream) {
+ var sock = stream.node.sock;
+ sock.sock_ops.close(sock);
+ }},nextname:function () {
+ if (!SOCKFS.nextname.current) {
+ SOCKFS.nextname.current = 0;
+ }
+ return 'socket[' + (SOCKFS.nextname.current++) + ']';
+ },websocket_sock_ops:{createPeer:function (sock, addr, port) {
+ var ws;
+
+ if (typeof addr === 'object') {
+ ws = addr;
+ addr = null;
+ port = null;
+ }
+
+ if (ws) {
+ // for sockets that've already connected (e.g. we're the server)
+ // we can inspect the _socket property for the address
+ if (ws._socket) {
+ addr = ws._socket.remoteAddress;
+ port = ws._socket.remotePort;
+ }
+ // if we're just now initializing a connection to the remote,
+ // inspect the url property
+ else {
+ var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);
+ if (!result) {
+ throw new Error('WebSocket URL must be in the format ws(s)://address:port');
+ }
+ addr = result[1];
+ port = parseInt(result[2], 10);
+ }
+ } else {
+ // create the actual websocket object and connect
+ try {
+ // runtimeConfig gets set to true if WebSocket runtime configuration is available.
+ var runtimeConfig = (Module['websocket'] && ('object' === typeof Module['websocket']));
+
+ // The default value is 'ws://' the replace is needed because the compiler replaces "//" comments with '#'
+ // comments without checking context, so we'd end up with ws:#, the replace swaps the "#" for "//" again.
+ var url = 'ws:#'.replace('#', '//');
+
+ if (runtimeConfig) {
+ if ('string' === typeof Module['websocket']['url']) {
+ url = Module['websocket']['url']; // Fetch runtime WebSocket URL config.
+ }
+ }
+
+ if (url === 'ws://' || url === 'wss://') { // Is the supplied URL config just a prefix, if so complete it.
+ url = url + addr + ':' + port;
+ }
+
+ // Make the WebSocket subprotocol (Sec-WebSocket-Protocol) default to binary if no configuration is set.
+ var subProtocols = 'binary'; // The default value is 'binary'
+
+ if (runtimeConfig) {
+ if ('string' === typeof Module['websocket']['subprotocol']) {
+ subProtocols = Module['websocket']['subprotocol']; // Fetch runtime WebSocket subprotocol config.
+ }
+ }
+
+ // The regex trims the string (removes spaces at the beginning and end, then splits the string by
+ // <any space>,<any space> into an Array. Whitespace removal is important for Websockify and ws.
+ subProtocols = subProtocols.replace(/^ +| +$/g,"").split(/ *, */);
+
+ // The node ws library API for specifying optional subprotocol is slightly different than the browser's.
+ var opts = ENVIRONMENT_IS_NODE ? {'protocol': subProtocols.toString()} : subProtocols;
+
+ // If node we use the ws library.
+ var WebSocket = ENVIRONMENT_IS_NODE ? require('ws') : window['WebSocket'];
+ ws = new WebSocket(url, opts);
+ ws.binaryType = 'arraybuffer';
+ } catch (e) {
+ throw new FS.ErrnoError(ERRNO_CODES.EHOSTUNREACH);
+ }
+ }
+
+
+ var peer = {
+ addr: addr,
+ port: port,
+ socket: ws,
+ dgram_send_queue: []
+ };
+
+ SOCKFS.websocket_sock_ops.addPeer(sock, peer);
+ SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer);
+
+ // if this is a bound dgram socket, send the port number first to allow
+ // us to override the ephemeral port reported to us by remotePort on the
+ // remote end.
+ if (sock.type === 2 && typeof sock.sport !== 'undefined') {
+ peer.dgram_send_queue.push(new Uint8Array([
+ 255, 255, 255, 255,
+ 'p'.charCodeAt(0), 'o'.charCodeAt(0), 'r'.charCodeAt(0), 't'.charCodeAt(0),
+ ((sock.sport & 0xff00) >> 8) , (sock.sport & 0xff)
+ ]));
+ }
+
+ return peer;
+ },getPeer:function (sock, addr, port) {
+ return sock.peers[addr + ':' + port];
+ },addPeer:function (sock, peer) {
+ sock.peers[peer.addr + ':' + peer.port] = peer;
+ },removePeer:function (sock, peer) {
+ delete sock.peers[peer.addr + ':' + peer.port];
+ },handlePeerEvents:function (sock, peer) {
+ var first = true;
+
+ var handleOpen = function () {
+ try {
+ var queued = peer.dgram_send_queue.shift();
+ while (queued) {
+ peer.socket.send(queued);
+ queued = peer.dgram_send_queue.shift();
+ }
+ } catch (e) {
+ // not much we can do here in the way of proper error handling as we've already
+ // lied and said this data was sent. shut it down.
+ peer.socket.close();
+ }
+ };
+
+ function handleMessage(data) {
+ assert(typeof data !== 'string' && data.byteLength !== undefined); // must receive an ArrayBuffer
+ data = new Uint8Array(data); // make a typed array view on the array buffer
+
+
+ // if this is the port message, override the peer's port with it
+ var wasfirst = first;
+ first = false;
+ if (wasfirst &&
+ data.length === 10 &&
+ data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3] === 255 &&
+ data[4] === 'p'.charCodeAt(0) && data[5] === 'o'.charCodeAt(0) && data[6] === 'r'.charCodeAt(0) && data[7] === 't'.charCodeAt(0)) {
+ // update the peer's port and it's key in the peer map
+ var newport = ((data[8] << 8) | data[9]);
+ SOCKFS.websocket_sock_ops.removePeer(sock, peer);
+ peer.port = newport;
+ SOCKFS.websocket_sock_ops.addPeer(sock, peer);
+ return;
+ }
+
+ sock.recv_queue.push({ addr: peer.addr, port: peer.port, data: data });
+ };
+
+ if (ENVIRONMENT_IS_NODE) {
+ peer.socket.on('open', handleOpen);
+ peer.socket.on('message', function(data, flags) {
+ if (!flags.binary) {
+ return;
+ }
+ handleMessage((new Uint8Array(data)).buffer); // copy from node Buffer -> ArrayBuffer
+ });
+ peer.socket.on('error', function() {
+ // don't throw
+ });
+ } else {
+ peer.socket.onopen = handleOpen;
+ peer.socket.onmessage = function peer_socket_onmessage(event) {
+ handleMessage(event.data);
+ };
+ }
+ },poll:function (sock) {
+ if (sock.type === 1 && sock.server) {
+ // listen sockets should only say they're available for reading
+ // if there are pending clients.
+ return sock.pending.length ? (64 | 1) : 0;
+ }
+
+ var mask = 0;
+ var dest = sock.type === 1 ? // we only care about the socket state for connection-based sockets
+ SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) :
+ null;
+
+ if (sock.recv_queue.length ||
+ !dest || // connection-less sockets are always ready to read
+ (dest && dest.socket.readyState === dest.socket.CLOSING) ||
+ (dest && dest.socket.readyState === dest.socket.CLOSED)) { // let recv return 0 once closed
+ mask |= (64 | 1);
+ }
+
+ if (!dest || // connection-less sockets are always ready to write
+ (dest && dest.socket.readyState === dest.socket.OPEN)) {
+ mask |= 4;
+ }
+
+ if ((dest && dest.socket.readyState === dest.socket.CLOSING) ||
+ (dest && dest.socket.readyState === dest.socket.CLOSED)) {
+ mask |= 16;
+ }
+
+ return mask;
+ },ioctl:function (sock, request, arg) {
+ switch (request) {
+ case 21531:
+ var bytes = 0;
+ if (sock.recv_queue.length) {
+ bytes = sock.recv_queue[0].data.length;
+ }
+ HEAP32[((arg)>>2)]=bytes;
+ return 0;
+ default:
+ return ERRNO_CODES.EINVAL;
+ }
+ },close:function (sock) {
+ // if we've spawned a listen server, close it
+ if (sock.server) {
+ try {
+ sock.server.close();
+ } catch (e) {
+ }
+ sock.server = null;
+ }
+ // close any peer connections
+ var peers = Object.keys(sock.peers);
+ for (var i = 0; i < peers.length; i++) {
+ var peer = sock.peers[peers[i]];
+ try {
+ peer.socket.close();
+ } catch (e) {
+ }
+ SOCKFS.websocket_sock_ops.removePeer(sock, peer);
+ }
+ return 0;
+ },bind:function (sock, addr, port) {
+ if (typeof sock.saddr !== 'undefined' || typeof sock.sport !== 'undefined') {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL); // already bound
+ }
+ sock.saddr = addr;
+ sock.sport = port || _mkport();
+ // in order to emulate dgram sockets, we need to launch a listen server when
+ // binding on a connection-less socket
+ // note: this is only required on the server side
+ if (sock.type === 2) {
+ // close the existing server if it exists
+ if (sock.server) {
+ sock.server.close();
+ sock.server = null;
+ }
+ // swallow error operation not supported error that occurs when binding in the
+ // browser where this isn't supported
+ try {
+ sock.sock_ops.listen(sock, 0);
+ } catch (e) {
+ if (!(e instanceof FS.ErrnoError)) throw e;
+ if (e.errno !== ERRNO_CODES.EOPNOTSUPP) throw e;
+ }
+ }
+ },connect:function (sock, addr, port) {
+ if (sock.server) {
+ throw new FS.ErrnoError(ERRNO_CODS.EOPNOTSUPP);
+ }
+
+ // TODO autobind
+ // if (!sock.addr && sock.type == 2) {
+ // }
+
+ // early out if we're already connected / in the middle of connecting
+ if (typeof sock.daddr !== 'undefined' && typeof sock.dport !== 'undefined') {
+ var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
+ if (dest) {
+ if (dest.socket.readyState === dest.socket.CONNECTING) {
+ throw new FS.ErrnoError(ERRNO_CODES.EALREADY);
+ } else {
+ throw new FS.ErrnoError(ERRNO_CODES.EISCONN);
+ }
+ }
+ }
+
+ // add the socket to our peer list and set our
+ // destination address / port to match
+ var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
+ sock.daddr = peer.addr;
+ sock.dport = peer.port;
+
+ // always "fail" in non-blocking mode
+ throw new FS.ErrnoError(ERRNO_CODES.EINPROGRESS);
+ },listen:function (sock, backlog) {
+ if (!ENVIRONMENT_IS_NODE) {
+ throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP);
+ }
+ if (sock.server) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL); // already listening
+ }
+ var WebSocketServer = require('ws').Server;
+ var host = sock.saddr;
+ sock.server = new WebSocketServer({
+ host: host,
+ port: sock.sport
+ // TODO support backlog
+ });
+
+ sock.server.on('connection', function(ws) {
+ if (sock.type === 1) {
+ var newsock = SOCKFS.createSocket(sock.family, sock.type, sock.protocol);
+
+ // create a peer on the new socket
+ var peer = SOCKFS.websocket_sock_ops.createPeer(newsock, ws);
+ newsock.daddr = peer.addr;
+ newsock.dport = peer.port;
+
+ // push to queue for accept to pick up
+ sock.pending.push(newsock);
+ } else {
+ // create a peer on the listen socket so calling sendto
+ // with the listen socket and an address will resolve
+ // to the correct client
+ SOCKFS.websocket_sock_ops.createPeer(sock, ws);
+ }
+ });
+ sock.server.on('closed', function() {
+ sock.server = null;
+ });
+ sock.server.on('error', function() {
+ // don't throw
+ });
+ },accept:function (listensock) {
+ if (!listensock.server) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ var newsock = listensock.pending.shift();
+ newsock.stream.flags = listensock.stream.flags;
+ return newsock;
+ },getname:function (sock, peer) {
+ var addr, port;
+ if (peer) {
+ if (sock.daddr === undefined || sock.dport === undefined) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
+ }
+ addr = sock.daddr;
+ port = sock.dport;
+ } else {
+ // TODO saddr and sport will be set for bind()'d UDP sockets, but what
+ // should we be returning for TCP sockets that've been connect()'d?
+ addr = sock.saddr || 0;
+ port = sock.sport || 0;
+ }
+ return { addr: addr, port: port };
+ },sendmsg:function (sock, buffer, offset, length, addr, port) {
+ if (sock.type === 2) {
+ // connection-less sockets will honor the message address,
+ // and otherwise fall back to the bound destination address
+ if (addr === undefined || port === undefined) {
+ addr = sock.daddr;
+ port = sock.dport;
+ }
+ // if there was no address to fall back to, error out
+ if (addr === undefined || port === undefined) {
+ throw new FS.ErrnoError(ERRNO_CODES.EDESTADDRREQ);
+ }
+ } else {
+ // connection-based sockets will only use the bound
+ addr = sock.daddr;
+ port = sock.dport;
+ }
+
+ // find the peer for the destination address
+ var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port);
+
+ // early out if not connected with a connection-based socket
+ if (sock.type === 1) {
+ if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
+ } else if (dest.socket.readyState === dest.socket.CONNECTING) {
+ throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+ }
+ }
+
+ // create a copy of the incoming data to send, as the WebSocket API
+ // doesn't work entirely with an ArrayBufferView, it'll just send
+ // the entire underlying buffer
+ var data;
+ if (buffer instanceof Array || buffer instanceof ArrayBuffer) {
+ data = buffer.slice(offset, offset + length);
+ } else { // ArrayBufferView
+ data = buffer.buffer.slice(buffer.byteOffset + offset, buffer.byteOffset + offset + length);
+ }
+
+ // if we're emulating a connection-less dgram socket and don't have
+ // a cached connection, queue the buffer to send upon connect and
+ // lie, saying the data was sent now.
+ if (sock.type === 2) {
+ if (!dest || dest.socket.readyState !== dest.socket.OPEN) {
+ // if we're not connected, open a new connection
+ if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
+ dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
+ }
+ dest.dgram_send_queue.push(data);
+ return length;
+ }
+ }
+
+ try {
+ // send the actual data
+ dest.socket.send(data);
+ return length;
+ } catch (e) {
+ throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
+ }
+ },recvmsg:function (sock, length) {
+ // http://pubs.opengroup.org/onlinepubs/7908799/xns/recvmsg.html
+ if (sock.type === 1 && sock.server) {
+ // tcp servers should not be recv()'ing on the listen socket
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
+ }
+
+ var queued = sock.recv_queue.shift();
+ if (!queued) {
+ if (sock.type === 1) {
+ var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
+
+ if (!dest) {
+ // if we have a destination address but are not connected, error out
+ throw new FS.ErrnoError(ERRNO_CODES.ENOTCONN);
+ }
+ else if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
+ // return null if the socket has closed
+ return null;
+ }
+ else {
+ // else, our socket is in a valid state but truly has nothing available
+ throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+ }
+ } else {
+ throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
+ }
+ }
+
+ // queued.data will be an ArrayBuffer if it's unadulterated, but if it's
+ // requeued TCP data it'll be an ArrayBufferView
+ var queuedLength = queued.data.byteLength || queued.data.length;
+ var queuedOffset = queued.data.byteOffset || 0;
+ var queuedBuffer = queued.data.buffer || queued.data;
+ var bytesRead = Math.min(length, queuedLength);
+ var res = {
+ buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead),
+ addr: queued.addr,
+ port: queued.port
+ };
+
+
+ // push back any unread data for TCP connections
+ if (sock.type === 1 && bytesRead < queuedLength) {
+ var bytesRemaining = queuedLength - bytesRead;
+ queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining);
+ sock.recv_queue.unshift(queued);
+ }
+
+ return res;
+ }}};function _send(fd, buf, len, flags) {
+ var sock = SOCKFS.getSocket(fd);
+ if (!sock) {
+ ___setErrNo(ERRNO_CODES.EBADF);
+ return -1;
+ }
+ // TODO honor flags
+ return _write(fd, buf, len);
+ }
+
+ function _pwrite(fildes, buf, nbyte, offset) {
+ // ssize_t pwrite(int fildes, const void *buf, size_t nbyte, off_t offset);
+ // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html
+ var stream = FS.getStream(fildes);
+ if (!stream) {
+ ___setErrNo(ERRNO_CODES.EBADF);
+ return -1;
+ }
+ try {
+ var slab = HEAP8;
+ return FS.write(stream, slab, buf, nbyte, offset);
+ } catch (e) {
+ FS.handleFSError(e);
+ return -1;
+ }
+ }function _write(fildes, buf, nbyte) {
+ // ssize_t write(int fildes, const void *buf, size_t nbyte);
+ // http://pubs.opengroup.org/onlinepubs/000095399/functions/write.html
+ var stream = FS.getStream(fildes);
+ if (!stream) {
+ ___setErrNo(ERRNO_CODES.EBADF);
+ return -1;
+ }
+
+
+ try {
+ var slab = HEAP8;
+ return FS.write(stream, slab, buf, nbyte);
+ } catch (e) {
+ FS.handleFSError(e);
+ return -1;
+ }
+ }
+
+ function _fileno(stream) {
+ // int fileno(FILE *stream);
+ // http://pubs.opengroup.org/onlinepubs/000095399/functions/fileno.html
+ stream = FS.getStreamFromPtr(stream);
+ if (!stream) return -1;
+ return stream.fd;
+ }function _fwrite(ptr, size, nitems, stream) {
+ // size_t fwrite(const void *restrict ptr, size_t size, size_t nitems, FILE *restrict stream);
+ // http://pubs.opengroup.org/onlinepubs/000095399/functions/fwrite.html
+ var bytesToWrite = nitems * size;
+ if (bytesToWrite == 0) return 0;
+ var fd = _fileno(stream);
+ var bytesWritten = _write(fd, ptr, bytesToWrite);
+ if (bytesWritten == -1) {
+ var streamObj = FS.getStreamFromPtr(stream);
+ if (streamObj) streamObj.error = true;
+ return 0;
+ } else {
+ return Math.floor(bytesWritten / size);
+ }
+ }
+
+
+
+ Module["_strlen"] = _strlen;
+
+ function __reallyNegative(x) {
+ return x < 0 || (x === 0 && (1/x) === -Infinity);
+ }function __formatString(format, varargs) {
+ var textIndex = format;
+ var argIndex = 0;
+ function getNextArg(type) {
+ // NOTE: Explicitly ignoring type safety. Otherwise this fails:
+ // int x = 4; printf("%c\n", (char)x);
+ var ret;
+ if (type === 'double') {
+ ret = HEAPF64[(((varargs)+(argIndex))>>3)];
+ } else if (type == 'i64') {
+ ret = [HEAP32[(((varargs)+(argIndex))>>2)],
+ HEAP32[(((varargs)+(argIndex+4))>>2)]];
+
+ } else {
+ type = 'i32'; // varargs are always i32, i64, or double
+ ret = HEAP32[(((varargs)+(argIndex))>>2)];
+ }
+ argIndex += Runtime.getNativeFieldSize(type);
+ return ret;
+ }
+
+ var ret = [];
+ var curr, next, currArg;
+ while(1) {
+ var startTextIndex = textIndex;
+ curr = HEAP8[(textIndex)];
+ if (curr === 0) break;
+ next = HEAP8[((textIndex+1)|0)];
+ if (curr == 37) {
+ // Handle flags.
+ var flagAlwaysSigned = false;
+ var flagLeftAlign = false;
+ var flagAlternative = false;
+ var flagZeroPad = false;
+ var flagPadSign = false;
+ flagsLoop: while (1) {
+ switch (next) {
+ case 43:
+ flagAlwaysSigned = true;
+ break;
+ case 45:
+ flagLeftAlign = true;
+ break;
+ case 35:
+ flagAlternative = true;
+ break;
+ case 48:
+ if (flagZeroPad) {
+ break flagsLoop;
+ } else {
+ flagZeroPad = true;
+ break;
+ }
+ case 32:
+ flagPadSign = true;
+ break;
+ default:
+ break flagsLoop;
+ }
+ textIndex++;
+ next = HEAP8[((textIndex+1)|0)];
+ }
+
+ // Handle width.
+ var width = 0;
+ if (next == 42) {
+ width = getNextArg('i32');
+ textIndex++;
+ next = HEAP8[((textIndex+1)|0)];
+ } else {
+ while (next >= 48 && next <= 57) {
+ width = width * 10 + (next - 48);
+ textIndex++;
+ next = HEAP8[((textIndex+1)|0)];
+ }
+ }
+
+ // Handle precision.
+ var precisionSet = false, precision = -1;
+ if (next == 46) {
+ precision = 0;
+ precisionSet = true;
+ textIndex++;
+ next = HEAP8[((textIndex+1)|0)];
+ if (next == 42) {
+ precision = getNextArg('i32');
+ textIndex++;
+ } else {
+ while(1) {
+ var precisionChr = HEAP8[((textIndex+1)|0)];
+ if (precisionChr < 48 ||
+ precisionChr > 57) break;
+ precision = precision * 10 + (precisionChr - 48);
+ textIndex++;
+ }
+ }
+ next = HEAP8[((textIndex+1)|0)];
+ }
+ if (precision < 0) {
+ precision = 6; // Standard default.
+ precisionSet = false;
+ }
+
+ // Handle integer sizes. WARNING: These assume a 32-bit architecture!
+ var argSize;
+ switch (String.fromCharCode(next)) {
+ case 'h':
+ var nextNext = HEAP8[((textIndex+2)|0)];
+ if (nextNext == 104) {
+ textIndex++;
+ argSize = 1; // char (actually i32 in varargs)
+ } else {
+ argSize = 2; // short (actually i32 in varargs)
+ }
+ break;
+ case 'l':
+ var nextNext = HEAP8[((textIndex+2)|0)];
+ if (nextNext == 108) {
+ textIndex++;
+ argSize = 8; // long long
+ } else {
+ argSize = 4; // long
+ }
+ break;
+ case 'L': // long long
+ case 'q': // int64_t
+ case 'j': // intmax_t
+ argSize = 8;
+ break;
+ case 'z': // size_t
+ case 't': // ptrdiff_t
+ case 'I': // signed ptrdiff_t or unsigned size_t
+ argSize = 4;
+ break;
+ default:
+ argSize = null;
+ }
+ if (argSize) textIndex++;
+ next = HEAP8[((textIndex+1)|0)];
+
+ // Handle type specifier.
+ switch (String.fromCharCode(next)) {
+ case 'd': case 'i': case 'u': case 'o': case 'x': case 'X': case 'p': {
+ // Integer.
+ var signed = next == 100 || next == 105;
+ argSize = argSize || 4;
+ var currArg = getNextArg('i' + (argSize * 8));
+ var argText;
+ // Flatten i64-1 [low, high] into a (slightly rounded) double
+ if (argSize == 8) {
+ currArg = Runtime.makeBigInt(currArg[0], currArg[1], next == 117);
+ }
+ // Truncate to requested size.
+ if (argSize <= 4) {
+ var limit = Math.pow(256, argSize) - 1;
+ currArg = (signed ? reSign : unSign)(currArg & limit, argSize * 8);
+ }
+ // Format the number.
+ var currAbsArg = Math.abs(currArg);
+ var prefix = '';
+ if (next == 100 || next == 105) {
+ argText = reSign(currArg, 8 * argSize, 1).toString(10);
+ } else if (next == 117) {
+ argText = unSign(currArg, 8 * argSize, 1).toString(10);
+ currArg = Math.abs(currArg);
+ } else if (next == 111) {
+ argText = (flagAlternative ? '0' : '') + currAbsArg.toString(8);
+ } else if (next == 120 || next == 88) {
+ prefix = (flagAlternative && currArg != 0) ? '0x' : '';
+ if (currArg < 0) {
+ // Represent negative numbers in hex as 2's complement.
+ currArg = -currArg;
+ argText = (currAbsArg - 1).toString(16);
+ var buffer = [];
+ for (var i = 0; i < argText.length; i++) {
+ buffer.push((0xF - parseInt(argText[i], 16)).toString(16));
+ }
+ argText = buffer.join('');
+ while (argText.length < argSize * 2) argText = 'f' + argText;
+ } else {
+ argText = currAbsArg.toString(16);
+ }
+ if (next == 88) {
+ prefix = prefix.toUpperCase();
+ argText = argText.toUpperCase();
+ }
+ } else if (next == 112) {
+ if (currAbsArg === 0) {
+ argText = '(nil)';
+ } else {
+ prefix = '0x';
+ argText = currAbsArg.toString(16);
+ }
+ }
+ if (precisionSet) {
+ while (argText.length < precision) {
+ argText = '0' + argText;
+ }
+ }
+
+ // Add sign if needed
+ if (currArg >= 0) {
+ if (flagAlwaysSigned) {
+ prefix = '+' + prefix;
+ } else if (flagPadSign) {
+ prefix = ' ' + prefix;
+ }
+ }
+
+ // Move sign to prefix so we zero-pad after the sign
+ if (argText.charAt(0) == '-') {
+ prefix = '-' + prefix;
+ argText = argText.substr(1);
+ }
+
+ // Add padding.
+ while (prefix.length + argText.length < width) {
+ if (flagLeftAlign) {
+ argText += ' ';
+ } else {
+ if (flagZeroPad) {
+ argText = '0' + argText;
+ } else {
+ prefix = ' ' + prefix;
+ }
+ }
+ }
+
+ // Insert the result into the buffer.
+ argText = prefix + argText;
+ argText.split('').forEach(function(chr) {
+ ret.push(chr.charCodeAt(0));
+ });
+ break;
+ }
+ case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': {
+ // Float.
+ var currArg = getNextArg('double');
+ var argText;
+ if (isNaN(currArg)) {
+ argText = 'nan';
+ flagZeroPad = false;
+ } else if (!isFinite(currArg)) {
+ argText = (currArg < 0 ? '-' : '') + 'inf';
+ flagZeroPad = false;
+ } else {
+ var isGeneral = false;
+ var effectivePrecision = Math.min(precision, 20);
+
+ // Convert g/G to f/F or e/E, as per:
+ // http://pubs.opengroup.org/onlinepubs/9699919799/functions/printf.html
+ if (next == 103 || next == 71) {
+ isGeneral = true;
+ precision = precision || 1;
+ var exponent = parseInt(currArg.toExponential(effectivePrecision).split('e')[1], 10);
+ if (precision > exponent && exponent >= -4) {
+ next = ((next == 103) ? 'f' : 'F').charCodeAt(0);
+ precision -= exponent + 1;
+ } else {
+ next = ((next == 103) ? 'e' : 'E').charCodeAt(0);
+ precision--;
+ }
+ effectivePrecision = Math.min(precision, 20);
+ }
+
+ if (next == 101 || next == 69) {
+ argText = currArg.toExponential(effectivePrecision);
+ // Make sure the exponent has at least 2 digits.
+ if (/[eE][-+]\d$/.test(argText)) {
+ argText = argText.slice(0, -1) + '0' + argText.slice(-1);
+ }
+ } else if (next == 102 || next == 70) {
+ argText = currArg.toFixed(effectivePrecision);
+ if (currArg === 0 && __reallyNegative(currArg)) {
+ argText = '-' + argText;
+ }
+ }
+
+ var parts = argText.split('e');
+ if (isGeneral && !flagAlternative) {
+ // Discard trailing zeros and periods.
+ while (parts[0].length > 1 && parts[0].indexOf('.') != -1 &&
+ (parts[0].slice(-1) == '0' || parts[0].slice(-1) == '.')) {
+ parts[0] = parts[0].slice(0, -1);
+ }
+ } else {
+ // Make sure we have a period in alternative mode.
+ if (flagAlternative && argText.indexOf('.') == -1) parts[0] += '.';
+ // Zero pad until required precision.
+ while (precision > effectivePrecision++) parts[0] += '0';
+ }
+ argText = parts[0] + (parts.length > 1 ? 'e' + parts[1] : '');
+
+ // Capitalize 'E' if needed.
+ if (next == 69) argText = argText.toUpperCase();
+
+ // Add sign.
+ if (currArg >= 0) {
+ if (flagAlwaysSigned) {
+ argText = '+' + argText;
+ } else if (flagPadSign) {
+ argText = ' ' + argText;
+ }
+ }
+ }
+
+ // Add padding.
+ while (argText.length < width) {
+ if (flagLeftAlign) {
+ argText += ' ';
+ } else {
+ if (flagZeroPad && (argText[0] == '-' || argText[0] == '+')) {
+ argText = argText[0] + '0' + argText.slice(1);
+ } else {
+ argText = (flagZeroPad ? '0' : ' ') + argText;
+ }
+ }
+ }
+
+ // Adjust case.
+ if (next < 97) argText = argText.toUpperCase();
+
+ // Insert the result into the buffer.
+ argText.split('').forEach(function(chr) {
+ ret.push(chr.charCodeAt(0));
+ });
+ break;
+ }
+ case 's': {
+ // String.
+ var arg = getNextArg('i8*');
+ var argLength = arg ? _strlen(arg) : '(null)'.length;
+ if (precisionSet) argLength = Math.min(argLength, precision);
+ if (!flagLeftAlign) {
+ while (argLength < width--) {
+ ret.push(32);
+ }
+ }
+ if (arg) {
+ for (var i = 0; i < argLength; i++) {
+ ret.push(HEAPU8[((arg++)|0)]);
+ }
+ } else {
+ ret = ret.concat(intArrayFromString('(null)'.substr(0, argLength), true));
+ }
+ if (flagLeftAlign) {
+ while (argLength < width--) {
+ ret.push(32);
+ }
+ }
+ break;
+ }
+ case 'c': {
+ // Character.
+ if (flagLeftAlign) ret.push(getNextArg('i8'));
+ while (--width > 0) {
+ ret.push(32);
+ }
+ if (!flagLeftAlign) ret.push(getNextArg('i8'));
+ break;
+ }
+ case 'n': {
+ // Write the length written so far to the next parameter.
+ var ptr = getNextArg('i32*');
+ HEAP32[((ptr)>>2)]=ret.length;
+ break;
+ }
+ case '%': {
+ // Literal percent sign.
+ ret.push(curr);
+ break;
+ }
+ default: {
+ // Unknown specifiers remain untouched.
+ for (var i = startTextIndex; i < textIndex + 2; i++) {
+ ret.push(HEAP8[(i)]);
+ }
+ }
+ }
+ textIndex += 2;
+ // TODO: Support a/A (hex float) and m (last error) specifiers.
+ // TODO: Support %1${specifier} for arg selection.
+ } else {
+ ret.push(curr);
+ textIndex += 1;
+ }
+ }
+ return ret;
+ }function _fprintf(stream, format, varargs) {
+ // int fprintf(FILE *restrict stream, const char *restrict format, ...);
+ // http://pubs.opengroup.org/onlinepubs/000095399/functions/printf.html
+ var result = __formatString(format, varargs);
+ var stack = Runtime.stackSave();
+ var ret = _fwrite(allocate(result, 'i8', ALLOC_STACK), 1, result.length, stream);
+ Runtime.stackRestore(stack);
+ return ret;
+ }function _printf(format, varargs) {
+ // int printf(const char *restrict format, ...);
+ // http://pubs.opengroup.org/onlinepubs/000095399/functions/printf.html
+ var stdout = HEAP32[((_stdout)>>2)];
+ return _fprintf(stdout, format, varargs);
+ }
+
+
+ function _fputc(c, stream) {
+ // int fputc(int c, FILE *stream);
+ // http://pubs.opengroup.org/onlinepubs/000095399/functions/fputc.html
+ var chr = unSign(c & 0xFF);
+ HEAP8[((_fputc.ret)|0)]=chr;
+ var fd = _fileno(stream);
+ var ret = _write(fd, _fputc.ret, 1);
+ if (ret == -1) {
+ var streamObj = FS.getStreamFromPtr(stream);
+ if (streamObj) streamObj.error = true;
+ return -1;
+ } else {
+ return chr;
+ }
+ }function _putchar(c) {
+ // int putchar(int c);
+ // http://pubs.opengroup.org/onlinepubs/000095399/functions/putchar.html
+ return _fputc(c, HEAP32[((_stdout)>>2)]);
+ }
+
+ 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.
+ }
+
+ 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;
+ }
+
+
+ Module["_memset"] = _memset;
+
+ function ___errno_location() {
+ return ___errno_state;
+ }
+
+ function _abort() {
+ Module['abort']();
+ }
+
+ var Browser={mainLoop:{scheduler:null,method:"",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'];
+
+ // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module
+ // Module['forcedAspectRatio'] = 4 / 3;
+
+ canvas.requestPointerLock = canvas['requestPointerLock'] ||
+ canvas['mozRequestPointerLock'] ||
+ canvas['webkitRequestPointerLock'] ||
+ canvas['msRequestPointerLock'] ||
+ function(){};
+ canvas.exitPointerLock = document['exitPointerLock'] ||
+ document['mozExitPointerLock'] ||
+ document['webkitExitPointerLock'] ||
+ document['msExitPointerLock'] ||
+ 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['msPointerLockElement'] === canvas;
+ }
+
+ document.addEventListener('pointerlockchange', pointerLockChange, false);
+ document.addEventListener('mozpointerlockchange', pointerLockChange, false);
+ document.addEventListener('webkitpointerlockchange', pointerLockChange, false);
+ document.addEventListener('mspointerlockchange', 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;
+ var errorInfo = '?';
+ function onContextCreationError(event) {
+ errorInfo = event.statusMessage || errorInfo;
+ }
+ try {
+ if (useWebGL) {
+ var contextAttributes = {
+ antialias: false,
+ alpha: false
+ };
+
+ if (webGLContextAttributes) {
+ for (var attribute in webGLContextAttributes) {
+ contextAttributes[attribute] = webGLContextAttributes[attribute];
+ }
+ }
+
+
+ canvas.addEventListener('webglcontextcreationerror', onContextCreationError, false);
+ try {
+ ['experimental-webgl', 'webgl'].some(function(webglId) {
+ return ctx = canvas.getContext(webglId, contextAttributes);
+ });
+ } finally {
+ canvas.removeEventListener('webglcontextcreationerror', onContextCreationError, false);
+ }
+ } else {
+ ctx = canvas.getContext('2d');
+ }
+ if (!ctx) throw ':(';
+ } catch (e) {
+ Module.print('Could not create canvas: ' + [errorInfo, 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) {
+ GLctx = 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;
+ var canvasContainer = canvas.parentNode;
+ if ((document['webkitFullScreenElement'] || document['webkitFullscreenElement'] ||
+ document['mozFullScreenElement'] || document['mozFullscreenElement'] ||
+ document['fullScreenElement'] || document['fullscreenElement'] ||
+ document['msFullScreenElement'] || document['msFullscreenElement'] ||
+ document['webkitCurrentFullScreenElement']) === canvasContainer) {
+ canvas.cancelFullScreen = document['cancelFullScreen'] ||
+ document['mozCancelFullScreen'] ||
+ document['webkitCancelFullScreen'] ||
+ document['msExitFullscreen'] ||
+ document['exitFullscreen'] ||
+ function() {};
+ canvas.cancelFullScreen = canvas.cancelFullScreen.bind(document);
+ if (Browser.lockPointer) canvas.requestPointerLock();
+ Browser.isFullScreen = true;
+ if (Browser.resizeCanvas) Browser.setFullScreenCanvasSize();
+ } else {
+
+ // remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen
+ canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
+ canvasContainer.parentNode.removeChild(canvasContainer);
+
+ if (Browser.resizeCanvas) Browser.setWindowedCanvasSize();
+ }
+ if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullScreen);
+ Browser.updateCanvasDimensions(canvas);
+ }
+
+ if (!Browser.fullScreenHandlersInstalled) {
+ Browser.fullScreenHandlersInstalled = true;
+ document.addEventListener('fullscreenchange', fullScreenChange, false);
+ document.addEventListener('mozfullscreenchange', fullScreenChange, false);
+ document.addEventListener('webkitfullscreenchange', fullScreenChange, false);
+ document.addEventListener('MSFullscreenChange', fullScreenChange, false);
+ }
+
+ // create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root
+ var canvasContainer = document.createElement("div");
+ canvas.parentNode.insertBefore(canvasContainer, canvas);
+ canvasContainer.appendChild(canvas);
+
+ // use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size)
+ canvasContainer.requestFullScreen = canvasContainer['requestFullScreen'] ||
+ canvasContainer['mozRequestFullScreen'] ||
+ canvasContainer['msRequestFullscreen'] ||
+ (canvasContainer['webkitRequestFullScreen'] ? function() { canvasContainer['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null);
+ canvasContainer.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;
+ },getMouseWheelDelta:function (event) {
+ return Math.max(-1, Math.min(1, event.type === 'DOMMouseScroll' ? event.detail : -event.wheelDelta));
+ },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;
+
+ // Neither .scrollX or .pageXOffset are defined in a spec, but
+ // we prefer .scrollX because it is currently in a spec draft.
+ // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
+ var scrollX = ((typeof window.scrollX !== 'undefined') ? window.scrollX : window.pageXOffset);
+ var scrollY = ((typeof window.scrollY !== 'undefined') ? window.scrollY : window.pageYOffset);
+ if (event.type == 'touchstart' ||
+ event.type == 'touchend' ||
+ event.type == 'touchmove') {
+ var t = event.touches.item(0);
+ if (t) {
+ x = t.pageX - (scrollX + rect.left);
+ y = t.pageY - (scrollY + rect.top);
+ } else {
+ return;
+ }
+ } else {
+ x = event.pageX - (scrollX + rect.left);
+ y = event.pageY - (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'];
+ Browser.updateCanvasDimensions(canvas, width, height);
+ if (!noUpdates) Browser.updateResizeListeners();
+ },windowedWidth:0,windowedHeight:0,setFullScreenCanvasSize:function () {
+ // 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 () {
+ // 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();
+ },updateCanvasDimensions:function (canvas, wNative, hNative) {
+ if (wNative && hNative) {
+ canvas.widthNative = wNative;
+ canvas.heightNative = hNative;
+ } else {
+ wNative = canvas.widthNative;
+ hNative = canvas.heightNative;
+ }
+ var w = wNative;
+ var h = hNative;
+ if (Module['forcedAspectRatio'] && Module['forcedAspectRatio'] > 0) {
+ if (w/h < Module['forcedAspectRatio']) {
+ w = Math.round(h * Module['forcedAspectRatio']);
+ } else {
+ h = Math.round(w / Module['forcedAspectRatio']);
+ }
+ }
+ if (((document['webkitFullScreenElement'] || document['webkitFullscreenElement'] ||
+ document['mozFullScreenElement'] || document['mozFullscreenElement'] ||
+ document['fullScreenElement'] || document['fullscreenElement'] ||
+ document['msFullScreenElement'] || document['msFullscreenElement'] ||
+ document['webkitCurrentFullScreenElement']) === canvas.parentNode) && (typeof screen != 'undefined')) {
+ var factor = Math.min(screen.width / w, screen.height / h);
+ w = Math.round(w * factor);
+ h = Math.round(h * factor);
+ }
+ if (Browser.resizeCanvas) {
+ if (canvas.width != w) canvas.width = w;
+ if (canvas.height != h) canvas.height = h;
+ if (typeof canvas.style != 'undefined') {
+ canvas.style.removeProperty( "width");
+ canvas.style.removeProperty("height");
+ }
+ } else {
+ if (canvas.width != wNative) canvas.width = wNative;
+ if (canvas.height != hNative) canvas.height = hNative;
+ if (typeof canvas.style != 'undefined') {
+ if (w != wNative || h != hNative) {
+ canvas.style.setProperty( "width", w + "px", "important");
+ canvas.style.setProperty("height", h + "px", "important");
+ } else {
+ canvas.style.removeProperty( "width");
+ canvas.style.removeProperty("height");
+ }
+ }
+ }
+ }};
+
+ function _time(ptr) {
+ var ret = Math.floor(Date.now()/1000);
+ if (ptr) {
+ HEAP32[((ptr)>>2)]=ret;
+ }
+ return ret;
+ }
+
+
+
+ function _emscripten_memcpy_big(dest, src, num) {
+ HEAPU8.set(HEAPU8.subarray(src, src+num), dest);
+ return dest;
+ }
+ Module["_memcpy"] = _memcpy;
+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;
+___errno_state = Runtime.staticAlloc(4); HEAP32[((___errno_state)>>2)]=0;
+__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(); }
+__ATINIT__.push({ func: function() { SOCKFS.root = FS.mount(SOCKFS, {}, null); } });
+_fputc.ret = allocate([0], "i8", ALLOC_STATIC);
+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() }
+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, "TOTAL_MEMORY not big enough for stack");
+
+
+var Math_min = Math.min;
+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 HEAP8 = new global.Int8Array(buffer);
+ var HEAP16 = new global.Int16Array(buffer);
+ var HEAP32 = new global.Int32Array(buffer);
+ var HEAPU8 = new global.Uint8Array(buffer);
+ var HEAPU16 = new global.Uint16Array(buffer);
+ var HEAPU32 = new global.Uint32Array(buffer);
+ var HEAPF32 = new global.Float32Array(buffer);
+ var HEAPF64 = new global.Float64Array(buffer);
+
+ var STACKTOP=env.STACKTOP|0;
+ var STACK_MAX=env.STACK_MAX|0;
+ var tempDoublePtr=env.tempDoublePtr|0;
+ var ABORT=env.ABORT|0;
+
+ var __THREW__ = 0;
+ var threwValue = 0;
+ var setjmpId = 0;
+ var undef = 0;
+ var nan = +env.NaN, inf = +env.Infinity;
+ var tempInt = 0, tempBigInt = 0, tempBigIntP = 0, tempBigIntS = 0, tempBigIntR = 0.0, tempBigIntI = 0, tempBigIntD = 0, tempValue = 0, tempDouble = 0.0;
+
+ var tempRet0 = 0;
+ var tempRet1 = 0;
+ var tempRet2 = 0;
+ var tempRet3 = 0;
+ var tempRet4 = 0;
+ var tempRet5 = 0;
+ var tempRet6 = 0;
+ var tempRet7 = 0;
+ var tempRet8 = 0;
+ var tempRet9 = 0;
+ var Math_floor=global.Math.floor;
+ var Math_abs=global.Math.abs;
+ var Math_sqrt=global.Math.sqrt;
+ var Math_pow=global.Math.pow;
+ var Math_cos=global.Math.cos;
+ var Math_sin=global.Math.sin;
+ var Math_tan=global.Math.tan;
+ var Math_acos=global.Math.acos;
+ var Math_asin=global.Math.asin;
+ var Math_atan=global.Math.atan;
+ var Math_atan2=global.Math.atan2;
+ var Math_exp=global.Math.exp;
+ var Math_log=global.Math.log;
+ var Math_ceil=global.Math.ceil;
+ var Math_imul=global.Math.imul;
+ var abort=env.abort;
+ var assert=env.assert;
+ var asmPrintInt=env.asmPrintInt;
+ var asmPrintFloat=env.asmPrintFloat;
+ var Math_min=env.min;
+ var _fflush=env._fflush;
+ var _emscripten_memcpy_big=env._emscripten_memcpy_big;
+ var _putchar=env._putchar;
+ var _fputc=env._fputc;
+ var _send=env._send;
+ var _pwrite=env._pwrite;
+ var _abort=env._abort;
+ var __reallyNegative=env.__reallyNegative;
+ var _fwrite=env._fwrite;
+ var _sbrk=env._sbrk;
+ var _mkport=env._mkport;
+ var _fprintf=env._fprintf;
+ var ___setErrNo=env.___setErrNo;
+ var __formatString=env.__formatString;
+ var _fileno=env._fileno;
+ var _printf=env._printf;
+ var _time=env._time;
+ var _sysconf=env._sysconf;
+ var _write=env._write;
+ var ___errno_location=env.___errno_location;
+ var tempFloat = 0.0;
+
+// EMSCRIPTEN_START_FUNCS
+function _malloc(i12) {
+ i12 = i12 | 0;
+ var i1 = 0, i2 = 0, i3 = 0, i4 = 0, i5 = 0, i6 = 0, i7 = 0, i8 = 0, i9 = 0, i10 = 0, i11 = 0, i13 = 0, i14 = 0, i15 = 0, i16 = 0, i17 = 0, i18 = 0, i19 = 0, i20 = 0, i21 = 0, i22 = 0, i23 = 0, i24 = 0, i25 = 0, i26 = 0, i27 = 0, i28 = 0, i29 = 0, i30 = 0, i31 = 0, i32 = 0;
+ i1 = STACKTOP;
+ do {
+ if (i12 >>> 0 < 245) {
+ if (i12 >>> 0 < 11) {
+ i12 = 16;
+ } else {
+ i12 = i12 + 11 & -8;
+ }
+ i20 = i12 >>> 3;
+ i18 = HEAP32[14] | 0;
+ i21 = i18 >>> i20;
+ if ((i21 & 3 | 0) != 0) {
+ i6 = (i21 & 1 ^ 1) + i20 | 0;
+ i5 = i6 << 1;
+ i3 = 96 + (i5 << 2) | 0;
+ i5 = 96 + (i5 + 2 << 2) | 0;
+ i7 = HEAP32[i5 >> 2] | 0;
+ i2 = i7 + 8 | 0;
+ i4 = HEAP32[i2 >> 2] | 0;
+ do {
+ if ((i3 | 0) != (i4 | 0)) {
+ if (i4 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i8 = i4 + 12 | 0;
+ if ((HEAP32[i8 >> 2] | 0) == (i7 | 0)) {
+ HEAP32[i8 >> 2] = i3;
+ HEAP32[i5 >> 2] = i4;
+ break;
+ } else {
+ _abort();
+ }
+ } else {
+ HEAP32[14] = i18 & ~(1 << i6);
+ }
+ } while (0);
+ i32 = i6 << 3;
+ HEAP32[i7 + 4 >> 2] = i32 | 3;
+ i32 = i7 + (i32 | 4) | 0;
+ HEAP32[i32 >> 2] = HEAP32[i32 >> 2] | 1;
+ i32 = i2;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ if (i12 >>> 0 > (HEAP32[64 >> 2] | 0) >>> 0) {
+ if ((i21 | 0) != 0) {
+ i7 = 2 << i20;
+ i7 = i21 << i20 & (i7 | 0 - i7);
+ i7 = (i7 & 0 - i7) + -1 | 0;
+ i2 = i7 >>> 12 & 16;
+ i7 = i7 >>> i2;
+ i6 = i7 >>> 5 & 8;
+ i7 = i7 >>> i6;
+ i5 = i7 >>> 2 & 4;
+ i7 = i7 >>> i5;
+ i4 = i7 >>> 1 & 2;
+ i7 = i7 >>> i4;
+ i3 = i7 >>> 1 & 1;
+ i3 = (i6 | i2 | i5 | i4 | i3) + (i7 >>> i3) | 0;
+ i7 = i3 << 1;
+ i4 = 96 + (i7 << 2) | 0;
+ i7 = 96 + (i7 + 2 << 2) | 0;
+ i5 = HEAP32[i7 >> 2] | 0;
+ i2 = i5 + 8 | 0;
+ i6 = HEAP32[i2 >> 2] | 0;
+ do {
+ if ((i4 | 0) != (i6 | 0)) {
+ if (i6 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i8 = i6 + 12 | 0;
+ if ((HEAP32[i8 >> 2] | 0) == (i5 | 0)) {
+ HEAP32[i8 >> 2] = i4;
+ HEAP32[i7 >> 2] = i6;
+ break;
+ } else {
+ _abort();
+ }
+ } else {
+ HEAP32[14] = i18 & ~(1 << i3);
+ }
+ } while (0);
+ i6 = i3 << 3;
+ i4 = i6 - i12 | 0;
+ HEAP32[i5 + 4 >> 2] = i12 | 3;
+ i3 = i5 + i12 | 0;
+ HEAP32[i5 + (i12 | 4) >> 2] = i4 | 1;
+ HEAP32[i5 + i6 >> 2] = i4;
+ i6 = HEAP32[64 >> 2] | 0;
+ if ((i6 | 0) != 0) {
+ i5 = HEAP32[76 >> 2] | 0;
+ i8 = i6 >>> 3;
+ i9 = i8 << 1;
+ i6 = 96 + (i9 << 2) | 0;
+ i7 = HEAP32[14] | 0;
+ i8 = 1 << i8;
+ if ((i7 & i8 | 0) != 0) {
+ i7 = 96 + (i9 + 2 << 2) | 0;
+ i8 = HEAP32[i7 >> 2] | 0;
+ if (i8 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ i28 = i7;
+ i27 = i8;
+ }
+ } else {
+ HEAP32[14] = i7 | i8;
+ i28 = 96 + (i9 + 2 << 2) | 0;
+ i27 = i6;
+ }
+ HEAP32[i28 >> 2] = i5;
+ HEAP32[i27 + 12 >> 2] = i5;
+ HEAP32[i5 + 8 >> 2] = i27;
+ HEAP32[i5 + 12 >> 2] = i6;
+ }
+ HEAP32[64 >> 2] = i4;
+ HEAP32[76 >> 2] = i3;
+ i32 = i2;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ i18 = HEAP32[60 >> 2] | 0;
+ if ((i18 | 0) != 0) {
+ i2 = (i18 & 0 - i18) + -1 | 0;
+ i31 = i2 >>> 12 & 16;
+ i2 = i2 >>> i31;
+ i30 = i2 >>> 5 & 8;
+ i2 = i2 >>> i30;
+ i32 = i2 >>> 2 & 4;
+ i2 = i2 >>> i32;
+ i6 = i2 >>> 1 & 2;
+ i2 = i2 >>> i6;
+ i3 = i2 >>> 1 & 1;
+ i3 = HEAP32[360 + ((i30 | i31 | i32 | i6 | i3) + (i2 >>> i3) << 2) >> 2] | 0;
+ i2 = (HEAP32[i3 + 4 >> 2] & -8) - i12 | 0;
+ i6 = i3;
+ while (1) {
+ i5 = HEAP32[i6 + 16 >> 2] | 0;
+ if ((i5 | 0) == 0) {
+ i5 = HEAP32[i6 + 20 >> 2] | 0;
+ if ((i5 | 0) == 0) {
+ break;
+ }
+ }
+ i6 = (HEAP32[i5 + 4 >> 2] & -8) - i12 | 0;
+ i4 = i6 >>> 0 < i2 >>> 0;
+ i2 = i4 ? i6 : i2;
+ i6 = i5;
+ i3 = i4 ? i5 : i3;
+ }
+ i6 = HEAP32[72 >> 2] | 0;
+ if (i3 >>> 0 < i6 >>> 0) {
+ _abort();
+ }
+ i4 = i3 + i12 | 0;
+ if (!(i3 >>> 0 < i4 >>> 0)) {
+ _abort();
+ }
+ i5 = HEAP32[i3 + 24 >> 2] | 0;
+ i7 = HEAP32[i3 + 12 >> 2] | 0;
+ do {
+ if ((i7 | 0) == (i3 | 0)) {
+ i8 = i3 + 20 | 0;
+ i7 = HEAP32[i8 >> 2] | 0;
+ if ((i7 | 0) == 0) {
+ i8 = i3 + 16 | 0;
+ i7 = HEAP32[i8 >> 2] | 0;
+ if ((i7 | 0) == 0) {
+ i26 = 0;
+ break;
+ }
+ }
+ while (1) {
+ i10 = i7 + 20 | 0;
+ i9 = HEAP32[i10 >> 2] | 0;
+ if ((i9 | 0) != 0) {
+ i7 = i9;
+ i8 = i10;
+ continue;
+ }
+ i10 = i7 + 16 | 0;
+ i9 = HEAP32[i10 >> 2] | 0;
+ if ((i9 | 0) == 0) {
+ break;
+ } else {
+ i7 = i9;
+ i8 = i10;
+ }
+ }
+ if (i8 >>> 0 < i6 >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i8 >> 2] = 0;
+ i26 = i7;
+ break;
+ }
+ } else {
+ i8 = HEAP32[i3 + 8 >> 2] | 0;
+ if (i8 >>> 0 < i6 >>> 0) {
+ _abort();
+ }
+ i6 = i8 + 12 | 0;
+ if ((HEAP32[i6 >> 2] | 0) != (i3 | 0)) {
+ _abort();
+ }
+ i9 = i7 + 8 | 0;
+ if ((HEAP32[i9 >> 2] | 0) == (i3 | 0)) {
+ HEAP32[i6 >> 2] = i7;
+ HEAP32[i9 >> 2] = i8;
+ i26 = i7;
+ break;
+ } else {
+ _abort();
+ }
+ }
+ } while (0);
+ do {
+ if ((i5 | 0) != 0) {
+ i7 = HEAP32[i3 + 28 >> 2] | 0;
+ i6 = 360 + (i7 << 2) | 0;
+ if ((i3 | 0) == (HEAP32[i6 >> 2] | 0)) {
+ HEAP32[i6 >> 2] = i26;
+ if ((i26 | 0) == 0) {
+ HEAP32[60 >> 2] = HEAP32[60 >> 2] & ~(1 << i7);
+ break;
+ }
+ } else {
+ if (i5 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i6 = i5 + 16 | 0;
+ if ((HEAP32[i6 >> 2] | 0) == (i3 | 0)) {
+ HEAP32[i6 >> 2] = i26;
+ } else {
+ HEAP32[i5 + 20 >> 2] = i26;
+ }
+ if ((i26 | 0) == 0) {
+ break;
+ }
+ }
+ if (i26 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ HEAP32[i26 + 24 >> 2] = i5;
+ i5 = HEAP32[i3 + 16 >> 2] | 0;
+ do {
+ if ((i5 | 0) != 0) {
+ if (i5 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i26 + 16 >> 2] = i5;
+ HEAP32[i5 + 24 >> 2] = i26;
+ break;
+ }
+ }
+ } while (0);
+ i5 = HEAP32[i3 + 20 >> 2] | 0;
+ if ((i5 | 0) != 0) {
+ if (i5 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i26 + 20 >> 2] = i5;
+ HEAP32[i5 + 24 >> 2] = i26;
+ break;
+ }
+ }
+ }
+ } while (0);
+ if (i2 >>> 0 < 16) {
+ i32 = i2 + i12 | 0;
+ HEAP32[i3 + 4 >> 2] = i32 | 3;
+ i32 = i3 + (i32 + 4) | 0;
+ HEAP32[i32 >> 2] = HEAP32[i32 >> 2] | 1;
+ } else {
+ HEAP32[i3 + 4 >> 2] = i12 | 3;
+ HEAP32[i3 + (i12 | 4) >> 2] = i2 | 1;
+ HEAP32[i3 + (i2 + i12) >> 2] = i2;
+ i6 = HEAP32[64 >> 2] | 0;
+ if ((i6 | 0) != 0) {
+ i5 = HEAP32[76 >> 2] | 0;
+ i8 = i6 >>> 3;
+ i9 = i8 << 1;
+ i6 = 96 + (i9 << 2) | 0;
+ i7 = HEAP32[14] | 0;
+ i8 = 1 << i8;
+ if ((i7 & i8 | 0) != 0) {
+ i7 = 96 + (i9 + 2 << 2) | 0;
+ i8 = HEAP32[i7 >> 2] | 0;
+ if (i8 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ i25 = i7;
+ i24 = i8;
+ }
+ } else {
+ HEAP32[14] = i7 | i8;
+ i25 = 96 + (i9 + 2 << 2) | 0;
+ i24 = i6;
+ }
+ HEAP32[i25 >> 2] = i5;
+ HEAP32[i24 + 12 >> 2] = i5;
+ HEAP32[i5 + 8 >> 2] = i24;
+ HEAP32[i5 + 12 >> 2] = i6;
+ }
+ HEAP32[64 >> 2] = i2;
+ HEAP32[76 >> 2] = i4;
+ }
+ i32 = i3 + 8 | 0;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ }
+ } else {
+ if (!(i12 >>> 0 > 4294967231)) {
+ i24 = i12 + 11 | 0;
+ i12 = i24 & -8;
+ i26 = HEAP32[60 >> 2] | 0;
+ if ((i26 | 0) != 0) {
+ i25 = 0 - i12 | 0;
+ i24 = i24 >>> 8;
+ if ((i24 | 0) != 0) {
+ if (i12 >>> 0 > 16777215) {
+ i27 = 31;
+ } else {
+ i31 = (i24 + 1048320 | 0) >>> 16 & 8;
+ i32 = i24 << i31;
+ i30 = (i32 + 520192 | 0) >>> 16 & 4;
+ i32 = i32 << i30;
+ i27 = (i32 + 245760 | 0) >>> 16 & 2;
+ i27 = 14 - (i30 | i31 | i27) + (i32 << i27 >>> 15) | 0;
+ i27 = i12 >>> (i27 + 7 | 0) & 1 | i27 << 1;
+ }
+ } else {
+ i27 = 0;
+ }
+ i30 = HEAP32[360 + (i27 << 2) >> 2] | 0;
+ L126 : do {
+ if ((i30 | 0) == 0) {
+ i29 = 0;
+ i24 = 0;
+ } else {
+ if ((i27 | 0) == 31) {
+ i24 = 0;
+ } else {
+ i24 = 25 - (i27 >>> 1) | 0;
+ }
+ i29 = 0;
+ i28 = i12 << i24;
+ i24 = 0;
+ while (1) {
+ i32 = HEAP32[i30 + 4 >> 2] & -8;
+ i31 = i32 - i12 | 0;
+ if (i31 >>> 0 < i25 >>> 0) {
+ if ((i32 | 0) == (i12 | 0)) {
+ i25 = i31;
+ i29 = i30;
+ i24 = i30;
+ break L126;
+ } else {
+ i25 = i31;
+ i24 = i30;
+ }
+ }
+ i31 = HEAP32[i30 + 20 >> 2] | 0;
+ i30 = HEAP32[i30 + (i28 >>> 31 << 2) + 16 >> 2] | 0;
+ i29 = (i31 | 0) == 0 | (i31 | 0) == (i30 | 0) ? i29 : i31;
+ if ((i30 | 0) == 0) {
+ break;
+ } else {
+ i28 = i28 << 1;
+ }
+ }
+ }
+ } while (0);
+ if ((i29 | 0) == 0 & (i24 | 0) == 0) {
+ i32 = 2 << i27;
+ i26 = i26 & (i32 | 0 - i32);
+ if ((i26 | 0) == 0) {
+ break;
+ }
+ i32 = (i26 & 0 - i26) + -1 | 0;
+ i28 = i32 >>> 12 & 16;
+ i32 = i32 >>> i28;
+ i27 = i32 >>> 5 & 8;
+ i32 = i32 >>> i27;
+ i30 = i32 >>> 2 & 4;
+ i32 = i32 >>> i30;
+ i31 = i32 >>> 1 & 2;
+ i32 = i32 >>> i31;
+ i29 = i32 >>> 1 & 1;
+ i29 = HEAP32[360 + ((i27 | i28 | i30 | i31 | i29) + (i32 >>> i29) << 2) >> 2] | 0;
+ }
+ if ((i29 | 0) != 0) {
+ while (1) {
+ i27 = (HEAP32[i29 + 4 >> 2] & -8) - i12 | 0;
+ i26 = i27 >>> 0 < i25 >>> 0;
+ i25 = i26 ? i27 : i25;
+ i24 = i26 ? i29 : i24;
+ i26 = HEAP32[i29 + 16 >> 2] | 0;
+ if ((i26 | 0) != 0) {
+ i29 = i26;
+ continue;
+ }
+ i29 = HEAP32[i29 + 20 >> 2] | 0;
+ if ((i29 | 0) == 0) {
+ break;
+ }
+ }
+ }
+ if ((i24 | 0) != 0 ? i25 >>> 0 < ((HEAP32[64 >> 2] | 0) - i12 | 0) >>> 0 : 0) {
+ i4 = HEAP32[72 >> 2] | 0;
+ if (i24 >>> 0 < i4 >>> 0) {
+ _abort();
+ }
+ i2 = i24 + i12 | 0;
+ if (!(i24 >>> 0 < i2 >>> 0)) {
+ _abort();
+ }
+ i3 = HEAP32[i24 + 24 >> 2] | 0;
+ i6 = HEAP32[i24 + 12 >> 2] | 0;
+ do {
+ if ((i6 | 0) == (i24 | 0)) {
+ i6 = i24 + 20 | 0;
+ i5 = HEAP32[i6 >> 2] | 0;
+ if ((i5 | 0) == 0) {
+ i6 = i24 + 16 | 0;
+ i5 = HEAP32[i6 >> 2] | 0;
+ if ((i5 | 0) == 0) {
+ i22 = 0;
+ break;
+ }
+ }
+ while (1) {
+ i8 = i5 + 20 | 0;
+ i7 = HEAP32[i8 >> 2] | 0;
+ if ((i7 | 0) != 0) {
+ i5 = i7;
+ i6 = i8;
+ continue;
+ }
+ i7 = i5 + 16 | 0;
+ i8 = HEAP32[i7 >> 2] | 0;
+ if ((i8 | 0) == 0) {
+ break;
+ } else {
+ i5 = i8;
+ i6 = i7;
+ }
+ }
+ if (i6 >>> 0 < i4 >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i6 >> 2] = 0;
+ i22 = i5;
+ break;
+ }
+ } else {
+ i5 = HEAP32[i24 + 8 >> 2] | 0;
+ if (i5 >>> 0 < i4 >>> 0) {
+ _abort();
+ }
+ i7 = i5 + 12 | 0;
+ if ((HEAP32[i7 >> 2] | 0) != (i24 | 0)) {
+ _abort();
+ }
+ i4 = i6 + 8 | 0;
+ if ((HEAP32[i4 >> 2] | 0) == (i24 | 0)) {
+ HEAP32[i7 >> 2] = i6;
+ HEAP32[i4 >> 2] = i5;
+ i22 = i6;
+ break;
+ } else {
+ _abort();
+ }
+ }
+ } while (0);
+ do {
+ if ((i3 | 0) != 0) {
+ i4 = HEAP32[i24 + 28 >> 2] | 0;
+ i5 = 360 + (i4 << 2) | 0;
+ if ((i24 | 0) == (HEAP32[i5 >> 2] | 0)) {
+ HEAP32[i5 >> 2] = i22;
+ if ((i22 | 0) == 0) {
+ HEAP32[60 >> 2] = HEAP32[60 >> 2] & ~(1 << i4);
+ break;
+ }
+ } else {
+ if (i3 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i4 = i3 + 16 | 0;
+ if ((HEAP32[i4 >> 2] | 0) == (i24 | 0)) {
+ HEAP32[i4 >> 2] = i22;
+ } else {
+ HEAP32[i3 + 20 >> 2] = i22;
+ }
+ if ((i22 | 0) == 0) {
+ break;
+ }
+ }
+ if (i22 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ HEAP32[i22 + 24 >> 2] = i3;
+ i3 = HEAP32[i24 + 16 >> 2] | 0;
+ do {
+ if ((i3 | 0) != 0) {
+ if (i3 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i22 + 16 >> 2] = i3;
+ HEAP32[i3 + 24 >> 2] = i22;
+ break;
+ }
+ }
+ } while (0);
+ i3 = HEAP32[i24 + 20 >> 2] | 0;
+ if ((i3 | 0) != 0) {
+ if (i3 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i22 + 20 >> 2] = i3;
+ HEAP32[i3 + 24 >> 2] = i22;
+ break;
+ }
+ }
+ }
+ } while (0);
+ L204 : do {
+ if (!(i25 >>> 0 < 16)) {
+ HEAP32[i24 + 4 >> 2] = i12 | 3;
+ HEAP32[i24 + (i12 | 4) >> 2] = i25 | 1;
+ HEAP32[i24 + (i25 + i12) >> 2] = i25;
+ i4 = i25 >>> 3;
+ if (i25 >>> 0 < 256) {
+ i6 = i4 << 1;
+ i3 = 96 + (i6 << 2) | 0;
+ i5 = HEAP32[14] | 0;
+ i4 = 1 << i4;
+ if ((i5 & i4 | 0) != 0) {
+ i5 = 96 + (i6 + 2 << 2) | 0;
+ i4 = HEAP32[i5 >> 2] | 0;
+ if (i4 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ i21 = i5;
+ i20 = i4;
+ }
+ } else {
+ HEAP32[14] = i5 | i4;
+ i21 = 96 + (i6 + 2 << 2) | 0;
+ i20 = i3;
+ }
+ HEAP32[i21 >> 2] = i2;
+ HEAP32[i20 + 12 >> 2] = i2;
+ HEAP32[i24 + (i12 + 8) >> 2] = i20;
+ HEAP32[i24 + (i12 + 12) >> 2] = i3;
+ break;
+ }
+ i3 = i25 >>> 8;
+ if ((i3 | 0) != 0) {
+ if (i25 >>> 0 > 16777215) {
+ i3 = 31;
+ } else {
+ i31 = (i3 + 1048320 | 0) >>> 16 & 8;
+ i32 = i3 << i31;
+ i30 = (i32 + 520192 | 0) >>> 16 & 4;
+ i32 = i32 << i30;
+ i3 = (i32 + 245760 | 0) >>> 16 & 2;
+ i3 = 14 - (i30 | i31 | i3) + (i32 << i3 >>> 15) | 0;
+ i3 = i25 >>> (i3 + 7 | 0) & 1 | i3 << 1;
+ }
+ } else {
+ i3 = 0;
+ }
+ i6 = 360 + (i3 << 2) | 0;
+ HEAP32[i24 + (i12 + 28) >> 2] = i3;
+ HEAP32[i24 + (i12 + 20) >> 2] = 0;
+ HEAP32[i24 + (i12 + 16) >> 2] = 0;
+ i4 = HEAP32[60 >> 2] | 0;
+ i5 = 1 << i3;
+ if ((i4 & i5 | 0) == 0) {
+ HEAP32[60 >> 2] = i4 | i5;
+ HEAP32[i6 >> 2] = i2;
+ HEAP32[i24 + (i12 + 24) >> 2] = i6;
+ HEAP32[i24 + (i12 + 12) >> 2] = i2;
+ HEAP32[i24 + (i12 + 8) >> 2] = i2;
+ break;
+ }
+ i4 = HEAP32[i6 >> 2] | 0;
+ if ((i3 | 0) == 31) {
+ i3 = 0;
+ } else {
+ i3 = 25 - (i3 >>> 1) | 0;
+ }
+ L225 : do {
+ if ((HEAP32[i4 + 4 >> 2] & -8 | 0) != (i25 | 0)) {
+ i3 = i25 << i3;
+ while (1) {
+ i6 = i4 + (i3 >>> 31 << 2) + 16 | 0;
+ i5 = HEAP32[i6 >> 2] | 0;
+ if ((i5 | 0) == 0) {
+ break;
+ }
+ if ((HEAP32[i5 + 4 >> 2] & -8 | 0) == (i25 | 0)) {
+ i18 = i5;
+ break L225;
+ } else {
+ i3 = i3 << 1;
+ i4 = i5;
+ }
+ }
+ if (i6 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i6 >> 2] = i2;
+ HEAP32[i24 + (i12 + 24) >> 2] = i4;
+ HEAP32[i24 + (i12 + 12) >> 2] = i2;
+ HEAP32[i24 + (i12 + 8) >> 2] = i2;
+ break L204;
+ }
+ } else {
+ i18 = i4;
+ }
+ } while (0);
+ i4 = i18 + 8 | 0;
+ i3 = HEAP32[i4 >> 2] | 0;
+ i5 = HEAP32[72 >> 2] | 0;
+ if (i18 >>> 0 < i5 >>> 0) {
+ _abort();
+ }
+ if (i3 >>> 0 < i5 >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i3 + 12 >> 2] = i2;
+ HEAP32[i4 >> 2] = i2;
+ HEAP32[i24 + (i12 + 8) >> 2] = i3;
+ HEAP32[i24 + (i12 + 12) >> 2] = i18;
+ HEAP32[i24 + (i12 + 24) >> 2] = 0;
+ break;
+ }
+ } else {
+ i32 = i25 + i12 | 0;
+ HEAP32[i24 + 4 >> 2] = i32 | 3;
+ i32 = i24 + (i32 + 4) | 0;
+ HEAP32[i32 >> 2] = HEAP32[i32 >> 2] | 1;
+ }
+ } while (0);
+ i32 = i24 + 8 | 0;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ }
+ } else {
+ i12 = -1;
+ }
+ }
+ } while (0);
+ i18 = HEAP32[64 >> 2] | 0;
+ if (!(i12 >>> 0 > i18 >>> 0)) {
+ i3 = i18 - i12 | 0;
+ i2 = HEAP32[76 >> 2] | 0;
+ if (i3 >>> 0 > 15) {
+ HEAP32[76 >> 2] = i2 + i12;
+ HEAP32[64 >> 2] = i3;
+ HEAP32[i2 + (i12 + 4) >> 2] = i3 | 1;
+ HEAP32[i2 + i18 >> 2] = i3;
+ HEAP32[i2 + 4 >> 2] = i12 | 3;
+ } else {
+ HEAP32[64 >> 2] = 0;
+ HEAP32[76 >> 2] = 0;
+ HEAP32[i2 + 4 >> 2] = i18 | 3;
+ i32 = i2 + (i18 + 4) | 0;
+ HEAP32[i32 >> 2] = HEAP32[i32 >> 2] | 1;
+ }
+ i32 = i2 + 8 | 0;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ i18 = HEAP32[68 >> 2] | 0;
+ if (i12 >>> 0 < i18 >>> 0) {
+ i31 = i18 - i12 | 0;
+ HEAP32[68 >> 2] = i31;
+ i32 = HEAP32[80 >> 2] | 0;
+ HEAP32[80 >> 2] = i32 + i12;
+ HEAP32[i32 + (i12 + 4) >> 2] = i31 | 1;
+ HEAP32[i32 + 4 >> 2] = i12 | 3;
+ i32 = i32 + 8 | 0;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ do {
+ if ((HEAP32[132] | 0) == 0) {
+ i18 = _sysconf(30) | 0;
+ if ((i18 + -1 & i18 | 0) == 0) {
+ HEAP32[536 >> 2] = i18;
+ HEAP32[532 >> 2] = i18;
+ HEAP32[540 >> 2] = -1;
+ HEAP32[544 >> 2] = -1;
+ HEAP32[548 >> 2] = 0;
+ HEAP32[500 >> 2] = 0;
+ HEAP32[132] = (_time(0) | 0) & -16 ^ 1431655768;
+ break;
+ } else {
+ _abort();
+ }
+ }
+ } while (0);
+ i20 = i12 + 48 | 0;
+ i25 = HEAP32[536 >> 2] | 0;
+ i21 = i12 + 47 | 0;
+ i22 = i25 + i21 | 0;
+ i25 = 0 - i25 | 0;
+ i18 = i22 & i25;
+ if (!(i18 >>> 0 > i12 >>> 0)) {
+ i32 = 0;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ i24 = HEAP32[496 >> 2] | 0;
+ if ((i24 | 0) != 0 ? (i31 = HEAP32[488 >> 2] | 0, i32 = i31 + i18 | 0, i32 >>> 0 <= i31 >>> 0 | i32 >>> 0 > i24 >>> 0) : 0) {
+ i32 = 0;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ L269 : do {
+ if ((HEAP32[500 >> 2] & 4 | 0) == 0) {
+ i26 = HEAP32[80 >> 2] | 0;
+ L271 : do {
+ if ((i26 | 0) != 0) {
+ i24 = 504 | 0;
+ while (1) {
+ i27 = HEAP32[i24 >> 2] | 0;
+ if (!(i27 >>> 0 > i26 >>> 0) ? (i23 = i24 + 4 | 0, (i27 + (HEAP32[i23 >> 2] | 0) | 0) >>> 0 > i26 >>> 0) : 0) {
+ break;
+ }
+ i24 = HEAP32[i24 + 8 >> 2] | 0;
+ if ((i24 | 0) == 0) {
+ i13 = 182;
+ break L271;
+ }
+ }
+ if ((i24 | 0) != 0) {
+ i25 = i22 - (HEAP32[68 >> 2] | 0) & i25;
+ if (i25 >>> 0 < 2147483647) {
+ i13 = _sbrk(i25 | 0) | 0;
+ i26 = (i13 | 0) == ((HEAP32[i24 >> 2] | 0) + (HEAP32[i23 >> 2] | 0) | 0);
+ i22 = i13;
+ i24 = i25;
+ i23 = i26 ? i13 : -1;
+ i25 = i26 ? i25 : 0;
+ i13 = 191;
+ } else {
+ i25 = 0;
+ }
+ } else {
+ i13 = 182;
+ }
+ } else {
+ i13 = 182;
+ }
+ } while (0);
+ do {
+ if ((i13 | 0) == 182) {
+ i23 = _sbrk(0) | 0;
+ if ((i23 | 0) != (-1 | 0)) {
+ i24 = i23;
+ i22 = HEAP32[532 >> 2] | 0;
+ i25 = i22 + -1 | 0;
+ if ((i25 & i24 | 0) == 0) {
+ i25 = i18;
+ } else {
+ i25 = i18 - i24 + (i25 + i24 & 0 - i22) | 0;
+ }
+ i24 = HEAP32[488 >> 2] | 0;
+ i26 = i24 + i25 | 0;
+ if (i25 >>> 0 > i12 >>> 0 & i25 >>> 0 < 2147483647) {
+ i22 = HEAP32[496 >> 2] | 0;
+ if ((i22 | 0) != 0 ? i26 >>> 0 <= i24 >>> 0 | i26 >>> 0 > i22 >>> 0 : 0) {
+ i25 = 0;
+ break;
+ }
+ i22 = _sbrk(i25 | 0) | 0;
+ i13 = (i22 | 0) == (i23 | 0);
+ i24 = i25;
+ i23 = i13 ? i23 : -1;
+ i25 = i13 ? i25 : 0;
+ i13 = 191;
+ } else {
+ i25 = 0;
+ }
+ } else {
+ i25 = 0;
+ }
+ }
+ } while (0);
+ L291 : do {
+ if ((i13 | 0) == 191) {
+ i13 = 0 - i24 | 0;
+ if ((i23 | 0) != (-1 | 0)) {
+ i17 = i23;
+ i14 = i25;
+ i13 = 202;
+ break L269;
+ }
+ do {
+ if ((i22 | 0) != (-1 | 0) & i24 >>> 0 < 2147483647 & i24 >>> 0 < i20 >>> 0 ? (i19 = HEAP32[536 >> 2] | 0, i19 = i21 - i24 + i19 & 0 - i19, i19 >>> 0 < 2147483647) : 0) {
+ if ((_sbrk(i19 | 0) | 0) == (-1 | 0)) {
+ _sbrk(i13 | 0) | 0;
+ break L291;
+ } else {
+ i24 = i19 + i24 | 0;
+ break;
+ }
+ }
+ } while (0);
+ if ((i22 | 0) != (-1 | 0)) {
+ i17 = i22;
+ i14 = i24;
+ i13 = 202;
+ break L269;
+ }
+ }
+ } while (0);
+ HEAP32[500 >> 2] = HEAP32[500 >> 2] | 4;
+ i13 = 199;
+ } else {
+ i25 = 0;
+ i13 = 199;
+ }
+ } while (0);
+ if ((((i13 | 0) == 199 ? i18 >>> 0 < 2147483647 : 0) ? (i17 = _sbrk(i18 | 0) | 0, i16 = _sbrk(0) | 0, (i16 | 0) != (-1 | 0) & (i17 | 0) != (-1 | 0) & i17 >>> 0 < i16 >>> 0) : 0) ? (i15 = i16 - i17 | 0, i14 = i15 >>> 0 > (i12 + 40 | 0) >>> 0, i14) : 0) {
+ i14 = i14 ? i15 : i25;
+ i13 = 202;
+ }
+ if ((i13 | 0) == 202) {
+ i15 = (HEAP32[488 >> 2] | 0) + i14 | 0;
+ HEAP32[488 >> 2] = i15;
+ if (i15 >>> 0 > (HEAP32[492 >> 2] | 0) >>> 0) {
+ HEAP32[492 >> 2] = i15;
+ }
+ i15 = HEAP32[80 >> 2] | 0;
+ L311 : do {
+ if ((i15 | 0) != 0) {
+ i21 = 504 | 0;
+ while (1) {
+ i16 = HEAP32[i21 >> 2] | 0;
+ i19 = i21 + 4 | 0;
+ i20 = HEAP32[i19 >> 2] | 0;
+ if ((i17 | 0) == (i16 + i20 | 0)) {
+ i13 = 214;
+ break;
+ }
+ i18 = HEAP32[i21 + 8 >> 2] | 0;
+ if ((i18 | 0) == 0) {
+ break;
+ } else {
+ i21 = i18;
+ }
+ }
+ if (((i13 | 0) == 214 ? (HEAP32[i21 + 12 >> 2] & 8 | 0) == 0 : 0) ? i15 >>> 0 >= i16 >>> 0 & i15 >>> 0 < i17 >>> 0 : 0) {
+ HEAP32[i19 >> 2] = i20 + i14;
+ i2 = (HEAP32[68 >> 2] | 0) + i14 | 0;
+ i3 = i15 + 8 | 0;
+ if ((i3 & 7 | 0) == 0) {
+ i3 = 0;
+ } else {
+ i3 = 0 - i3 & 7;
+ }
+ i32 = i2 - i3 | 0;
+ HEAP32[80 >> 2] = i15 + i3;
+ HEAP32[68 >> 2] = i32;
+ HEAP32[i15 + (i3 + 4) >> 2] = i32 | 1;
+ HEAP32[i15 + (i2 + 4) >> 2] = 40;
+ HEAP32[84 >> 2] = HEAP32[544 >> 2];
+ break;
+ }
+ if (i17 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ HEAP32[72 >> 2] = i17;
+ }
+ i19 = i17 + i14 | 0;
+ i16 = 504 | 0;
+ while (1) {
+ if ((HEAP32[i16 >> 2] | 0) == (i19 | 0)) {
+ i13 = 224;
+ break;
+ }
+ i18 = HEAP32[i16 + 8 >> 2] | 0;
+ if ((i18 | 0) == 0) {
+ break;
+ } else {
+ i16 = i18;
+ }
+ }
+ if ((i13 | 0) == 224 ? (HEAP32[i16 + 12 >> 2] & 8 | 0) == 0 : 0) {
+ HEAP32[i16 >> 2] = i17;
+ i6 = i16 + 4 | 0;
+ HEAP32[i6 >> 2] = (HEAP32[i6 >> 2] | 0) + i14;
+ i6 = i17 + 8 | 0;
+ if ((i6 & 7 | 0) == 0) {
+ i6 = 0;
+ } else {
+ i6 = 0 - i6 & 7;
+ }
+ i7 = i17 + (i14 + 8) | 0;
+ if ((i7 & 7 | 0) == 0) {
+ i13 = 0;
+ } else {
+ i13 = 0 - i7 & 7;
+ }
+ i15 = i17 + (i13 + i14) | 0;
+ i8 = i6 + i12 | 0;
+ i7 = i17 + i8 | 0;
+ i10 = i15 - (i17 + i6) - i12 | 0;
+ HEAP32[i17 + (i6 + 4) >> 2] = i12 | 3;
+ L348 : do {
+ if ((i15 | 0) != (HEAP32[80 >> 2] | 0)) {
+ if ((i15 | 0) == (HEAP32[76 >> 2] | 0)) {
+ i32 = (HEAP32[64 >> 2] | 0) + i10 | 0;
+ HEAP32[64 >> 2] = i32;
+ HEAP32[76 >> 2] = i7;
+ HEAP32[i17 + (i8 + 4) >> 2] = i32 | 1;
+ HEAP32[i17 + (i32 + i8) >> 2] = i32;
+ break;
+ }
+ i12 = i14 + 4 | 0;
+ i18 = HEAP32[i17 + (i12 + i13) >> 2] | 0;
+ if ((i18 & 3 | 0) == 1) {
+ i11 = i18 & -8;
+ i16 = i18 >>> 3;
+ do {
+ if (!(i18 >>> 0 < 256)) {
+ i9 = HEAP32[i17 + ((i13 | 24) + i14) >> 2] | 0;
+ i19 = HEAP32[i17 + (i14 + 12 + i13) >> 2] | 0;
+ do {
+ if ((i19 | 0) == (i15 | 0)) {
+ i19 = i13 | 16;
+ i18 = i17 + (i12 + i19) | 0;
+ i16 = HEAP32[i18 >> 2] | 0;
+ if ((i16 | 0) == 0) {
+ i18 = i17 + (i19 + i14) | 0;
+ i16 = HEAP32[i18 >> 2] | 0;
+ if ((i16 | 0) == 0) {
+ i5 = 0;
+ break;
+ }
+ }
+ while (1) {
+ i20 = i16 + 20 | 0;
+ i19 = HEAP32[i20 >> 2] | 0;
+ if ((i19 | 0) != 0) {
+ i16 = i19;
+ i18 = i20;
+ continue;
+ }
+ i19 = i16 + 16 | 0;
+ i20 = HEAP32[i19 >> 2] | 0;
+ if ((i20 | 0) == 0) {
+ break;
+ } else {
+ i16 = i20;
+ i18 = i19;
+ }
+ }
+ if (i18 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i18 >> 2] = 0;
+ i5 = i16;
+ break;
+ }
+ } else {
+ i18 = HEAP32[i17 + ((i13 | 8) + i14) >> 2] | 0;
+ if (i18 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i16 = i18 + 12 | 0;
+ if ((HEAP32[i16 >> 2] | 0) != (i15 | 0)) {
+ _abort();
+ }
+ i20 = i19 + 8 | 0;
+ if ((HEAP32[i20 >> 2] | 0) == (i15 | 0)) {
+ HEAP32[i16 >> 2] = i19;
+ HEAP32[i20 >> 2] = i18;
+ i5 = i19;
+ break;
+ } else {
+ _abort();
+ }
+ }
+ } while (0);
+ if ((i9 | 0) != 0) {
+ i16 = HEAP32[i17 + (i14 + 28 + i13) >> 2] | 0;
+ i18 = 360 + (i16 << 2) | 0;
+ if ((i15 | 0) == (HEAP32[i18 >> 2] | 0)) {
+ HEAP32[i18 >> 2] = i5;
+ if ((i5 | 0) == 0) {
+ HEAP32[60 >> 2] = HEAP32[60 >> 2] & ~(1 << i16);
+ break;
+ }
+ } else {
+ if (i9 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i16 = i9 + 16 | 0;
+ if ((HEAP32[i16 >> 2] | 0) == (i15 | 0)) {
+ HEAP32[i16 >> 2] = i5;
+ } else {
+ HEAP32[i9 + 20 >> 2] = i5;
+ }
+ if ((i5 | 0) == 0) {
+ break;
+ }
+ }
+ if (i5 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ HEAP32[i5 + 24 >> 2] = i9;
+ i15 = i13 | 16;
+ i9 = HEAP32[i17 + (i15 + i14) >> 2] | 0;
+ do {
+ if ((i9 | 0) != 0) {
+ if (i9 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i5 + 16 >> 2] = i9;
+ HEAP32[i9 + 24 >> 2] = i5;
+ break;
+ }
+ }
+ } while (0);
+ i9 = HEAP32[i17 + (i12 + i15) >> 2] | 0;
+ if ((i9 | 0) != 0) {
+ if (i9 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i5 + 20 >> 2] = i9;
+ HEAP32[i9 + 24 >> 2] = i5;
+ break;
+ }
+ }
+ }
+ } else {
+ i5 = HEAP32[i17 + ((i13 | 8) + i14) >> 2] | 0;
+ i12 = HEAP32[i17 + (i14 + 12 + i13) >> 2] | 0;
+ i18 = 96 + (i16 << 1 << 2) | 0;
+ if ((i5 | 0) != (i18 | 0)) {
+ if (i5 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ if ((HEAP32[i5 + 12 >> 2] | 0) != (i15 | 0)) {
+ _abort();
+ }
+ }
+ if ((i12 | 0) == (i5 | 0)) {
+ HEAP32[14] = HEAP32[14] & ~(1 << i16);
+ break;
+ }
+ if ((i12 | 0) != (i18 | 0)) {
+ if (i12 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i16 = i12 + 8 | 0;
+ if ((HEAP32[i16 >> 2] | 0) == (i15 | 0)) {
+ i9 = i16;
+ } else {
+ _abort();
+ }
+ } else {
+ i9 = i12 + 8 | 0;
+ }
+ HEAP32[i5 + 12 >> 2] = i12;
+ HEAP32[i9 >> 2] = i5;
+ }
+ } while (0);
+ i15 = i17 + ((i11 | i13) + i14) | 0;
+ i10 = i11 + i10 | 0;
+ }
+ i5 = i15 + 4 | 0;
+ HEAP32[i5 >> 2] = HEAP32[i5 >> 2] & -2;
+ HEAP32[i17 + (i8 + 4) >> 2] = i10 | 1;
+ HEAP32[i17 + (i10 + i8) >> 2] = i10;
+ i5 = i10 >>> 3;
+ if (i10 >>> 0 < 256) {
+ i10 = i5 << 1;
+ i2 = 96 + (i10 << 2) | 0;
+ i9 = HEAP32[14] | 0;
+ i5 = 1 << i5;
+ if ((i9 & i5 | 0) != 0) {
+ i9 = 96 + (i10 + 2 << 2) | 0;
+ i5 = HEAP32[i9 >> 2] | 0;
+ if (i5 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ i3 = i9;
+ i4 = i5;
+ }
+ } else {
+ HEAP32[14] = i9 | i5;
+ i3 = 96 + (i10 + 2 << 2) | 0;
+ i4 = i2;
+ }
+ HEAP32[i3 >> 2] = i7;
+ HEAP32[i4 + 12 >> 2] = i7;
+ HEAP32[i17 + (i8 + 8) >> 2] = i4;
+ HEAP32[i17 + (i8 + 12) >> 2] = i2;
+ break;
+ }
+ i3 = i10 >>> 8;
+ if ((i3 | 0) != 0) {
+ if (i10 >>> 0 > 16777215) {
+ i3 = 31;
+ } else {
+ i31 = (i3 + 1048320 | 0) >>> 16 & 8;
+ i32 = i3 << i31;
+ i30 = (i32 + 520192 | 0) >>> 16 & 4;
+ i32 = i32 << i30;
+ i3 = (i32 + 245760 | 0) >>> 16 & 2;
+ i3 = 14 - (i30 | i31 | i3) + (i32 << i3 >>> 15) | 0;
+ i3 = i10 >>> (i3 + 7 | 0) & 1 | i3 << 1;
+ }
+ } else {
+ i3 = 0;
+ }
+ i4 = 360 + (i3 << 2) | 0;
+ HEAP32[i17 + (i8 + 28) >> 2] = i3;
+ HEAP32[i17 + (i8 + 20) >> 2] = 0;
+ HEAP32[i17 + (i8 + 16) >> 2] = 0;
+ i9 = HEAP32[60 >> 2] | 0;
+ i5 = 1 << i3;
+ if ((i9 & i5 | 0) == 0) {
+ HEAP32[60 >> 2] = i9 | i5;
+ HEAP32[i4 >> 2] = i7;
+ HEAP32[i17 + (i8 + 24) >> 2] = i4;
+ HEAP32[i17 + (i8 + 12) >> 2] = i7;
+ HEAP32[i17 + (i8 + 8) >> 2] = i7;
+ break;
+ }
+ i4 = HEAP32[i4 >> 2] | 0;
+ if ((i3 | 0) == 31) {
+ i3 = 0;
+ } else {
+ i3 = 25 - (i3 >>> 1) | 0;
+ }
+ L444 : do {
+ if ((HEAP32[i4 + 4 >> 2] & -8 | 0) != (i10 | 0)) {
+ i3 = i10 << i3;
+ while (1) {
+ i5 = i4 + (i3 >>> 31 << 2) + 16 | 0;
+ i9 = HEAP32[i5 >> 2] | 0;
+ if ((i9 | 0) == 0) {
+ break;
+ }
+ if ((HEAP32[i9 + 4 >> 2] & -8 | 0) == (i10 | 0)) {
+ i2 = i9;
+ break L444;
+ } else {
+ i3 = i3 << 1;
+ i4 = i9;
+ }
+ }
+ if (i5 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i5 >> 2] = i7;
+ HEAP32[i17 + (i8 + 24) >> 2] = i4;
+ HEAP32[i17 + (i8 + 12) >> 2] = i7;
+ HEAP32[i17 + (i8 + 8) >> 2] = i7;
+ break L348;
+ }
+ } else {
+ i2 = i4;
+ }
+ } while (0);
+ i4 = i2 + 8 | 0;
+ i3 = HEAP32[i4 >> 2] | 0;
+ i5 = HEAP32[72 >> 2] | 0;
+ if (i2 >>> 0 < i5 >>> 0) {
+ _abort();
+ }
+ if (i3 >>> 0 < i5 >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i3 + 12 >> 2] = i7;
+ HEAP32[i4 >> 2] = i7;
+ HEAP32[i17 + (i8 + 8) >> 2] = i3;
+ HEAP32[i17 + (i8 + 12) >> 2] = i2;
+ HEAP32[i17 + (i8 + 24) >> 2] = 0;
+ break;
+ }
+ } else {
+ i32 = (HEAP32[68 >> 2] | 0) + i10 | 0;
+ HEAP32[68 >> 2] = i32;
+ HEAP32[80 >> 2] = i7;
+ HEAP32[i17 + (i8 + 4) >> 2] = i32 | 1;
+ }
+ } while (0);
+ i32 = i17 + (i6 | 8) | 0;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ i3 = 504 | 0;
+ while (1) {
+ i2 = HEAP32[i3 >> 2] | 0;
+ if (!(i2 >>> 0 > i15 >>> 0) ? (i11 = HEAP32[i3 + 4 >> 2] | 0, i10 = i2 + i11 | 0, i10 >>> 0 > i15 >>> 0) : 0) {
+ break;
+ }
+ i3 = HEAP32[i3 + 8 >> 2] | 0;
+ }
+ i3 = i2 + (i11 + -39) | 0;
+ if ((i3 & 7 | 0) == 0) {
+ i3 = 0;
+ } else {
+ i3 = 0 - i3 & 7;
+ }
+ i2 = i2 + (i11 + -47 + i3) | 0;
+ i2 = i2 >>> 0 < (i15 + 16 | 0) >>> 0 ? i15 : i2;
+ i3 = i2 + 8 | 0;
+ i4 = i17 + 8 | 0;
+ if ((i4 & 7 | 0) == 0) {
+ i4 = 0;
+ } else {
+ i4 = 0 - i4 & 7;
+ }
+ i32 = i14 + -40 - i4 | 0;
+ HEAP32[80 >> 2] = i17 + i4;
+ HEAP32[68 >> 2] = i32;
+ HEAP32[i17 + (i4 + 4) >> 2] = i32 | 1;
+ HEAP32[i17 + (i14 + -36) >> 2] = 40;
+ HEAP32[84 >> 2] = HEAP32[544 >> 2];
+ HEAP32[i2 + 4 >> 2] = 27;
+ HEAP32[i3 + 0 >> 2] = HEAP32[504 >> 2];
+ HEAP32[i3 + 4 >> 2] = HEAP32[508 >> 2];
+ HEAP32[i3 + 8 >> 2] = HEAP32[512 >> 2];
+ HEAP32[i3 + 12 >> 2] = HEAP32[516 >> 2];
+ HEAP32[504 >> 2] = i17;
+ HEAP32[508 >> 2] = i14;
+ HEAP32[516 >> 2] = 0;
+ HEAP32[512 >> 2] = i3;
+ i4 = i2 + 28 | 0;
+ HEAP32[i4 >> 2] = 7;
+ if ((i2 + 32 | 0) >>> 0 < i10 >>> 0) {
+ while (1) {
+ i3 = i4 + 4 | 0;
+ HEAP32[i3 >> 2] = 7;
+ if ((i4 + 8 | 0) >>> 0 < i10 >>> 0) {
+ i4 = i3;
+ } else {
+ break;
+ }
+ }
+ }
+ if ((i2 | 0) != (i15 | 0)) {
+ i2 = i2 - i15 | 0;
+ i3 = i15 + (i2 + 4) | 0;
+ HEAP32[i3 >> 2] = HEAP32[i3 >> 2] & -2;
+ HEAP32[i15 + 4 >> 2] = i2 | 1;
+ HEAP32[i15 + i2 >> 2] = i2;
+ i3 = i2 >>> 3;
+ if (i2 >>> 0 < 256) {
+ i4 = i3 << 1;
+ i2 = 96 + (i4 << 2) | 0;
+ i5 = HEAP32[14] | 0;
+ i3 = 1 << i3;
+ if ((i5 & i3 | 0) != 0) {
+ i4 = 96 + (i4 + 2 << 2) | 0;
+ i3 = HEAP32[i4 >> 2] | 0;
+ if (i3 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ i7 = i4;
+ i8 = i3;
+ }
+ } else {
+ HEAP32[14] = i5 | i3;
+ i7 = 96 + (i4 + 2 << 2) | 0;
+ i8 = i2;
+ }
+ HEAP32[i7 >> 2] = i15;
+ HEAP32[i8 + 12 >> 2] = i15;
+ HEAP32[i15 + 8 >> 2] = i8;
+ HEAP32[i15 + 12 >> 2] = i2;
+ break;
+ }
+ i3 = i2 >>> 8;
+ if ((i3 | 0) != 0) {
+ if (i2 >>> 0 > 16777215) {
+ i3 = 31;
+ } else {
+ i31 = (i3 + 1048320 | 0) >>> 16 & 8;
+ i32 = i3 << i31;
+ i30 = (i32 + 520192 | 0) >>> 16 & 4;
+ i32 = i32 << i30;
+ i3 = (i32 + 245760 | 0) >>> 16 & 2;
+ i3 = 14 - (i30 | i31 | i3) + (i32 << i3 >>> 15) | 0;
+ i3 = i2 >>> (i3 + 7 | 0) & 1 | i3 << 1;
+ }
+ } else {
+ i3 = 0;
+ }
+ i7 = 360 + (i3 << 2) | 0;
+ HEAP32[i15 + 28 >> 2] = i3;
+ HEAP32[i15 + 20 >> 2] = 0;
+ HEAP32[i15 + 16 >> 2] = 0;
+ i4 = HEAP32[60 >> 2] | 0;
+ i5 = 1 << i3;
+ if ((i4 & i5 | 0) == 0) {
+ HEAP32[60 >> 2] = i4 | i5;
+ HEAP32[i7 >> 2] = i15;
+ HEAP32[i15 + 24 >> 2] = i7;
+ HEAP32[i15 + 12 >> 2] = i15;
+ HEAP32[i15 + 8 >> 2] = i15;
+ break;
+ }
+ i4 = HEAP32[i7 >> 2] | 0;
+ if ((i3 | 0) == 31) {
+ i3 = 0;
+ } else {
+ i3 = 25 - (i3 >>> 1) | 0;
+ }
+ L499 : do {
+ if ((HEAP32[i4 + 4 >> 2] & -8 | 0) != (i2 | 0)) {
+ i3 = i2 << i3;
+ while (1) {
+ i7 = i4 + (i3 >>> 31 << 2) + 16 | 0;
+ i5 = HEAP32[i7 >> 2] | 0;
+ if ((i5 | 0) == 0) {
+ break;
+ }
+ if ((HEAP32[i5 + 4 >> 2] & -8 | 0) == (i2 | 0)) {
+ i6 = i5;
+ break L499;
+ } else {
+ i3 = i3 << 1;
+ i4 = i5;
+ }
+ }
+ if (i7 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i7 >> 2] = i15;
+ HEAP32[i15 + 24 >> 2] = i4;
+ HEAP32[i15 + 12 >> 2] = i15;
+ HEAP32[i15 + 8 >> 2] = i15;
+ break L311;
+ }
+ } else {
+ i6 = i4;
+ }
+ } while (0);
+ i4 = i6 + 8 | 0;
+ i3 = HEAP32[i4 >> 2] | 0;
+ i2 = HEAP32[72 >> 2] | 0;
+ if (i6 >>> 0 < i2 >>> 0) {
+ _abort();
+ }
+ if (i3 >>> 0 < i2 >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i3 + 12 >> 2] = i15;
+ HEAP32[i4 >> 2] = i15;
+ HEAP32[i15 + 8 >> 2] = i3;
+ HEAP32[i15 + 12 >> 2] = i6;
+ HEAP32[i15 + 24 >> 2] = 0;
+ break;
+ }
+ }
+ } else {
+ i32 = HEAP32[72 >> 2] | 0;
+ if ((i32 | 0) == 0 | i17 >>> 0 < i32 >>> 0) {
+ HEAP32[72 >> 2] = i17;
+ }
+ HEAP32[504 >> 2] = i17;
+ HEAP32[508 >> 2] = i14;
+ HEAP32[516 >> 2] = 0;
+ HEAP32[92 >> 2] = HEAP32[132];
+ HEAP32[88 >> 2] = -1;
+ i2 = 0;
+ do {
+ i32 = i2 << 1;
+ i31 = 96 + (i32 << 2) | 0;
+ HEAP32[96 + (i32 + 3 << 2) >> 2] = i31;
+ HEAP32[96 + (i32 + 2 << 2) >> 2] = i31;
+ i2 = i2 + 1 | 0;
+ } while ((i2 | 0) != 32);
+ i2 = i17 + 8 | 0;
+ if ((i2 & 7 | 0) == 0) {
+ i2 = 0;
+ } else {
+ i2 = 0 - i2 & 7;
+ }
+ i32 = i14 + -40 - i2 | 0;
+ HEAP32[80 >> 2] = i17 + i2;
+ HEAP32[68 >> 2] = i32;
+ HEAP32[i17 + (i2 + 4) >> 2] = i32 | 1;
+ HEAP32[i17 + (i14 + -36) >> 2] = 40;
+ HEAP32[84 >> 2] = HEAP32[544 >> 2];
+ }
+ } while (0);
+ i2 = HEAP32[68 >> 2] | 0;
+ if (i2 >>> 0 > i12 >>> 0) {
+ i31 = i2 - i12 | 0;
+ HEAP32[68 >> 2] = i31;
+ i32 = HEAP32[80 >> 2] | 0;
+ HEAP32[80 >> 2] = i32 + i12;
+ HEAP32[i32 + (i12 + 4) >> 2] = i31 | 1;
+ HEAP32[i32 + 4 >> 2] = i12 | 3;
+ i32 = i32 + 8 | 0;
+ STACKTOP = i1;
+ return i32 | 0;
+ }
+ }
+ HEAP32[(___errno_location() | 0) >> 2] = 12;
+ i32 = 0;
+ STACKTOP = i1;
+ return i32 | 0;
+}
+function _free(i7) {
+ i7 = i7 | 0;
+ var i1 = 0, i2 = 0, i3 = 0, i4 = 0, i5 = 0, i6 = 0, i8 = 0, i9 = 0, i10 = 0, i11 = 0, i12 = 0, i13 = 0, i14 = 0, i15 = 0, i16 = 0, i17 = 0, i18 = 0, i19 = 0, i20 = 0, i21 = 0;
+ i1 = STACKTOP;
+ if ((i7 | 0) == 0) {
+ STACKTOP = i1;
+ return;
+ }
+ i15 = i7 + -8 | 0;
+ i16 = HEAP32[72 >> 2] | 0;
+ if (i15 >>> 0 < i16 >>> 0) {
+ _abort();
+ }
+ i13 = HEAP32[i7 + -4 >> 2] | 0;
+ i12 = i13 & 3;
+ if ((i12 | 0) == 1) {
+ _abort();
+ }
+ i8 = i13 & -8;
+ i6 = i7 + (i8 + -8) | 0;
+ do {
+ if ((i13 & 1 | 0) == 0) {
+ i19 = HEAP32[i15 >> 2] | 0;
+ if ((i12 | 0) == 0) {
+ STACKTOP = i1;
+ return;
+ }
+ i15 = -8 - i19 | 0;
+ i13 = i7 + i15 | 0;
+ i12 = i19 + i8 | 0;
+ if (i13 >>> 0 < i16 >>> 0) {
+ _abort();
+ }
+ if ((i13 | 0) == (HEAP32[76 >> 2] | 0)) {
+ i2 = i7 + (i8 + -4) | 0;
+ if ((HEAP32[i2 >> 2] & 3 | 0) != 3) {
+ i2 = i13;
+ i11 = i12;
+ break;
+ }
+ HEAP32[64 >> 2] = i12;
+ HEAP32[i2 >> 2] = HEAP32[i2 >> 2] & -2;
+ HEAP32[i7 + (i15 + 4) >> 2] = i12 | 1;
+ HEAP32[i6 >> 2] = i12;
+ STACKTOP = i1;
+ return;
+ }
+ i18 = i19 >>> 3;
+ if (i19 >>> 0 < 256) {
+ i2 = HEAP32[i7 + (i15 + 8) >> 2] | 0;
+ i11 = HEAP32[i7 + (i15 + 12) >> 2] | 0;
+ i14 = 96 + (i18 << 1 << 2) | 0;
+ if ((i2 | 0) != (i14 | 0)) {
+ if (i2 >>> 0 < i16 >>> 0) {
+ _abort();
+ }
+ if ((HEAP32[i2 + 12 >> 2] | 0) != (i13 | 0)) {
+ _abort();
+ }
+ }
+ if ((i11 | 0) == (i2 | 0)) {
+ HEAP32[14] = HEAP32[14] & ~(1 << i18);
+ i2 = i13;
+ i11 = i12;
+ break;
+ }
+ if ((i11 | 0) != (i14 | 0)) {
+ if (i11 >>> 0 < i16 >>> 0) {
+ _abort();
+ }
+ i14 = i11 + 8 | 0;
+ if ((HEAP32[i14 >> 2] | 0) == (i13 | 0)) {
+ i17 = i14;
+ } else {
+ _abort();
+ }
+ } else {
+ i17 = i11 + 8 | 0;
+ }
+ HEAP32[i2 + 12 >> 2] = i11;
+ HEAP32[i17 >> 2] = i2;
+ i2 = i13;
+ i11 = i12;
+ break;
+ }
+ i17 = HEAP32[i7 + (i15 + 24) >> 2] | 0;
+ i18 = HEAP32[i7 + (i15 + 12) >> 2] | 0;
+ do {
+ if ((i18 | 0) == (i13 | 0)) {
+ i19 = i7 + (i15 + 20) | 0;
+ i18 = HEAP32[i19 >> 2] | 0;
+ if ((i18 | 0) == 0) {
+ i19 = i7 + (i15 + 16) | 0;
+ i18 = HEAP32[i19 >> 2] | 0;
+ if ((i18 | 0) == 0) {
+ i14 = 0;
+ break;
+ }
+ }
+ while (1) {
+ i21 = i18 + 20 | 0;
+ i20 = HEAP32[i21 >> 2] | 0;
+ if ((i20 | 0) != 0) {
+ i18 = i20;
+ i19 = i21;
+ continue;
+ }
+ i20 = i18 + 16 | 0;
+ i21 = HEAP32[i20 >> 2] | 0;
+ if ((i21 | 0) == 0) {
+ break;
+ } else {
+ i18 = i21;
+ i19 = i20;
+ }
+ }
+ if (i19 >>> 0 < i16 >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i19 >> 2] = 0;
+ i14 = i18;
+ break;
+ }
+ } else {
+ i19 = HEAP32[i7 + (i15 + 8) >> 2] | 0;
+ if (i19 >>> 0 < i16 >>> 0) {
+ _abort();
+ }
+ i16 = i19 + 12 | 0;
+ if ((HEAP32[i16 >> 2] | 0) != (i13 | 0)) {
+ _abort();
+ }
+ i20 = i18 + 8 | 0;
+ if ((HEAP32[i20 >> 2] | 0) == (i13 | 0)) {
+ HEAP32[i16 >> 2] = i18;
+ HEAP32[i20 >> 2] = i19;
+ i14 = i18;
+ break;
+ } else {
+ _abort();
+ }
+ }
+ } while (0);
+ if ((i17 | 0) != 0) {
+ i18 = HEAP32[i7 + (i15 + 28) >> 2] | 0;
+ i16 = 360 + (i18 << 2) | 0;
+ if ((i13 | 0) == (HEAP32[i16 >> 2] | 0)) {
+ HEAP32[i16 >> 2] = i14;
+ if ((i14 | 0) == 0) {
+ HEAP32[60 >> 2] = HEAP32[60 >> 2] & ~(1 << i18);
+ i2 = i13;
+ i11 = i12;
+ break;
+ }
+ } else {
+ if (i17 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i16 = i17 + 16 | 0;
+ if ((HEAP32[i16 >> 2] | 0) == (i13 | 0)) {
+ HEAP32[i16 >> 2] = i14;
+ } else {
+ HEAP32[i17 + 20 >> 2] = i14;
+ }
+ if ((i14 | 0) == 0) {
+ i2 = i13;
+ i11 = i12;
+ break;
+ }
+ }
+ if (i14 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ HEAP32[i14 + 24 >> 2] = i17;
+ i16 = HEAP32[i7 + (i15 + 16) >> 2] | 0;
+ do {
+ if ((i16 | 0) != 0) {
+ if (i16 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i14 + 16 >> 2] = i16;
+ HEAP32[i16 + 24 >> 2] = i14;
+ break;
+ }
+ }
+ } while (0);
+ i15 = HEAP32[i7 + (i15 + 20) >> 2] | 0;
+ if ((i15 | 0) != 0) {
+ if (i15 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i14 + 20 >> 2] = i15;
+ HEAP32[i15 + 24 >> 2] = i14;
+ i2 = i13;
+ i11 = i12;
+ break;
+ }
+ } else {
+ i2 = i13;
+ i11 = i12;
+ }
+ } else {
+ i2 = i13;
+ i11 = i12;
+ }
+ } else {
+ i2 = i15;
+ i11 = i8;
+ }
+ } while (0);
+ if (!(i2 >>> 0 < i6 >>> 0)) {
+ _abort();
+ }
+ i12 = i7 + (i8 + -4) | 0;
+ i13 = HEAP32[i12 >> 2] | 0;
+ if ((i13 & 1 | 0) == 0) {
+ _abort();
+ }
+ if ((i13 & 2 | 0) == 0) {
+ if ((i6 | 0) == (HEAP32[80 >> 2] | 0)) {
+ i21 = (HEAP32[68 >> 2] | 0) + i11 | 0;
+ HEAP32[68 >> 2] = i21;
+ HEAP32[80 >> 2] = i2;
+ HEAP32[i2 + 4 >> 2] = i21 | 1;
+ if ((i2 | 0) != (HEAP32[76 >> 2] | 0)) {
+ STACKTOP = i1;
+ return;
+ }
+ HEAP32[76 >> 2] = 0;
+ HEAP32[64 >> 2] = 0;
+ STACKTOP = i1;
+ return;
+ }
+ if ((i6 | 0) == (HEAP32[76 >> 2] | 0)) {
+ i21 = (HEAP32[64 >> 2] | 0) + i11 | 0;
+ HEAP32[64 >> 2] = i21;
+ HEAP32[76 >> 2] = i2;
+ HEAP32[i2 + 4 >> 2] = i21 | 1;
+ HEAP32[i2 + i21 >> 2] = i21;
+ STACKTOP = i1;
+ return;
+ }
+ i11 = (i13 & -8) + i11 | 0;
+ i12 = i13 >>> 3;
+ do {
+ if (!(i13 >>> 0 < 256)) {
+ i10 = HEAP32[i7 + (i8 + 16) >> 2] | 0;
+ i15 = HEAP32[i7 + (i8 | 4) >> 2] | 0;
+ do {
+ if ((i15 | 0) == (i6 | 0)) {
+ i13 = i7 + (i8 + 12) | 0;
+ i12 = HEAP32[i13 >> 2] | 0;
+ if ((i12 | 0) == 0) {
+ i13 = i7 + (i8 + 8) | 0;
+ i12 = HEAP32[i13 >> 2] | 0;
+ if ((i12 | 0) == 0) {
+ i9 = 0;
+ break;
+ }
+ }
+ while (1) {
+ i14 = i12 + 20 | 0;
+ i15 = HEAP32[i14 >> 2] | 0;
+ if ((i15 | 0) != 0) {
+ i12 = i15;
+ i13 = i14;
+ continue;
+ }
+ i14 = i12 + 16 | 0;
+ i15 = HEAP32[i14 >> 2] | 0;
+ if ((i15 | 0) == 0) {
+ break;
+ } else {
+ i12 = i15;
+ i13 = i14;
+ }
+ }
+ if (i13 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i13 >> 2] = 0;
+ i9 = i12;
+ break;
+ }
+ } else {
+ i13 = HEAP32[i7 + i8 >> 2] | 0;
+ if (i13 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i14 = i13 + 12 | 0;
+ if ((HEAP32[i14 >> 2] | 0) != (i6 | 0)) {
+ _abort();
+ }
+ i12 = i15 + 8 | 0;
+ if ((HEAP32[i12 >> 2] | 0) == (i6 | 0)) {
+ HEAP32[i14 >> 2] = i15;
+ HEAP32[i12 >> 2] = i13;
+ i9 = i15;
+ break;
+ } else {
+ _abort();
+ }
+ }
+ } while (0);
+ if ((i10 | 0) != 0) {
+ i12 = HEAP32[i7 + (i8 + 20) >> 2] | 0;
+ i13 = 360 + (i12 << 2) | 0;
+ if ((i6 | 0) == (HEAP32[i13 >> 2] | 0)) {
+ HEAP32[i13 >> 2] = i9;
+ if ((i9 | 0) == 0) {
+ HEAP32[60 >> 2] = HEAP32[60 >> 2] & ~(1 << i12);
+ break;
+ }
+ } else {
+ if (i10 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i12 = i10 + 16 | 0;
+ if ((HEAP32[i12 >> 2] | 0) == (i6 | 0)) {
+ HEAP32[i12 >> 2] = i9;
+ } else {
+ HEAP32[i10 + 20 >> 2] = i9;
+ }
+ if ((i9 | 0) == 0) {
+ break;
+ }
+ }
+ if (i9 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ HEAP32[i9 + 24 >> 2] = i10;
+ i6 = HEAP32[i7 + (i8 + 8) >> 2] | 0;
+ do {
+ if ((i6 | 0) != 0) {
+ if (i6 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i9 + 16 >> 2] = i6;
+ HEAP32[i6 + 24 >> 2] = i9;
+ break;
+ }
+ }
+ } while (0);
+ i6 = HEAP32[i7 + (i8 + 12) >> 2] | 0;
+ if ((i6 | 0) != 0) {
+ if (i6 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i9 + 20 >> 2] = i6;
+ HEAP32[i6 + 24 >> 2] = i9;
+ break;
+ }
+ }
+ }
+ } else {
+ i9 = HEAP32[i7 + i8 >> 2] | 0;
+ i7 = HEAP32[i7 + (i8 | 4) >> 2] | 0;
+ i8 = 96 + (i12 << 1 << 2) | 0;
+ if ((i9 | 0) != (i8 | 0)) {
+ if (i9 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ if ((HEAP32[i9 + 12 >> 2] | 0) != (i6 | 0)) {
+ _abort();
+ }
+ }
+ if ((i7 | 0) == (i9 | 0)) {
+ HEAP32[14] = HEAP32[14] & ~(1 << i12);
+ break;
+ }
+ if ((i7 | 0) != (i8 | 0)) {
+ if (i7 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ }
+ i8 = i7 + 8 | 0;
+ if ((HEAP32[i8 >> 2] | 0) == (i6 | 0)) {
+ i10 = i8;
+ } else {
+ _abort();
+ }
+ } else {
+ i10 = i7 + 8 | 0;
+ }
+ HEAP32[i9 + 12 >> 2] = i7;
+ HEAP32[i10 >> 2] = i9;
+ }
+ } while (0);
+ HEAP32[i2 + 4 >> 2] = i11 | 1;
+ HEAP32[i2 + i11 >> 2] = i11;
+ if ((i2 | 0) == (HEAP32[76 >> 2] | 0)) {
+ HEAP32[64 >> 2] = i11;
+ STACKTOP = i1;
+ return;
+ }
+ } else {
+ HEAP32[i12 >> 2] = i13 & -2;
+ HEAP32[i2 + 4 >> 2] = i11 | 1;
+ HEAP32[i2 + i11 >> 2] = i11;
+ }
+ i6 = i11 >>> 3;
+ if (i11 >>> 0 < 256) {
+ i7 = i6 << 1;
+ i3 = 96 + (i7 << 2) | 0;
+ i8 = HEAP32[14] | 0;
+ i6 = 1 << i6;
+ if ((i8 & i6 | 0) != 0) {
+ i6 = 96 + (i7 + 2 << 2) | 0;
+ i7 = HEAP32[i6 >> 2] | 0;
+ if (i7 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ i4 = i6;
+ i5 = i7;
+ }
+ } else {
+ HEAP32[14] = i8 | i6;
+ i4 = 96 + (i7 + 2 << 2) | 0;
+ i5 = i3;
+ }
+ HEAP32[i4 >> 2] = i2;
+ HEAP32[i5 + 12 >> 2] = i2;
+ HEAP32[i2 + 8 >> 2] = i5;
+ HEAP32[i2 + 12 >> 2] = i3;
+ STACKTOP = i1;
+ return;
+ }
+ i4 = i11 >>> 8;
+ if ((i4 | 0) != 0) {
+ if (i11 >>> 0 > 16777215) {
+ i4 = 31;
+ } else {
+ i20 = (i4 + 1048320 | 0) >>> 16 & 8;
+ i21 = i4 << i20;
+ i19 = (i21 + 520192 | 0) >>> 16 & 4;
+ i21 = i21 << i19;
+ i4 = (i21 + 245760 | 0) >>> 16 & 2;
+ i4 = 14 - (i19 | i20 | i4) + (i21 << i4 >>> 15) | 0;
+ i4 = i11 >>> (i4 + 7 | 0) & 1 | i4 << 1;
+ }
+ } else {
+ i4 = 0;
+ }
+ i5 = 360 + (i4 << 2) | 0;
+ HEAP32[i2 + 28 >> 2] = i4;
+ HEAP32[i2 + 20 >> 2] = 0;
+ HEAP32[i2 + 16 >> 2] = 0;
+ i7 = HEAP32[60 >> 2] | 0;
+ i6 = 1 << i4;
+ L199 : do {
+ if ((i7 & i6 | 0) != 0) {
+ i5 = HEAP32[i5 >> 2] | 0;
+ if ((i4 | 0) == 31) {
+ i4 = 0;
+ } else {
+ i4 = 25 - (i4 >>> 1) | 0;
+ }
+ L205 : do {
+ if ((HEAP32[i5 + 4 >> 2] & -8 | 0) != (i11 | 0)) {
+ i4 = i11 << i4;
+ i7 = i5;
+ while (1) {
+ i6 = i7 + (i4 >>> 31 << 2) + 16 | 0;
+ i5 = HEAP32[i6 >> 2] | 0;
+ if ((i5 | 0) == 0) {
+ break;
+ }
+ if ((HEAP32[i5 + 4 >> 2] & -8 | 0) == (i11 | 0)) {
+ i3 = i5;
+ break L205;
+ } else {
+ i4 = i4 << 1;
+ i7 = i5;
+ }
+ }
+ if (i6 >>> 0 < (HEAP32[72 >> 2] | 0) >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i6 >> 2] = i2;
+ HEAP32[i2 + 24 >> 2] = i7;
+ HEAP32[i2 + 12 >> 2] = i2;
+ HEAP32[i2 + 8 >> 2] = i2;
+ break L199;
+ }
+ } else {
+ i3 = i5;
+ }
+ } while (0);
+ i5 = i3 + 8 | 0;
+ i4 = HEAP32[i5 >> 2] | 0;
+ i6 = HEAP32[72 >> 2] | 0;
+ if (i3 >>> 0 < i6 >>> 0) {
+ _abort();
+ }
+ if (i4 >>> 0 < i6 >>> 0) {
+ _abort();
+ } else {
+ HEAP32[i4 + 12 >> 2] = i2;
+ HEAP32[i5 >> 2] = i2;
+ HEAP32[i2 + 8 >> 2] = i4;
+ HEAP32[i2 + 12 >> 2] = i3;
+ HEAP32[i2 + 24 >> 2] = 0;
+ break;
+ }
+ } else {
+ HEAP32[60 >> 2] = i7 | i6;
+ HEAP32[i5 >> 2] = i2;
+ HEAP32[i2 + 24 >> 2] = i5;
+ HEAP32[i2 + 12 >> 2] = i2;
+ HEAP32[i2 + 8 >> 2] = i2;
+ }
+ } while (0);
+ i21 = (HEAP32[88 >> 2] | 0) + -1 | 0;
+ HEAP32[88 >> 2] = i21;
+ if ((i21 | 0) == 0) {
+ i2 = 512 | 0;
+ } else {
+ STACKTOP = i1;
+ return;
+ }
+ while (1) {
+ i2 = HEAP32[i2 >> 2] | 0;
+ if ((i2 | 0) == 0) {
+ break;
+ } else {
+ i2 = i2 + 8 | 0;
+ }
+ }
+ HEAP32[88 >> 2] = -1;
+ STACKTOP = i1;
+ return;
+}
+function __Z15fannkuch_workerPv(i9) {
+ i9 = i9 | 0;
+ var i1 = 0, i2 = 0, i3 = 0, i4 = 0, i5 = 0, i6 = 0, i7 = 0, i8 = 0, i10 = 0, i11 = 0, i12 = 0, i13 = 0, i14 = 0, i15 = 0, i16 = 0, i17 = 0, i18 = 0, i19 = 0, i20 = 0;
+ i3 = STACKTOP;
+ i7 = HEAP32[i9 + 4 >> 2] | 0;
+ i6 = i7 << 2;
+ i5 = _malloc(i6) | 0;
+ i2 = _malloc(i6) | 0;
+ i6 = _malloc(i6) | 0;
+ i10 = (i7 | 0) > 0;
+ if (i10) {
+ i8 = 0;
+ do {
+ HEAP32[i5 + (i8 << 2) >> 2] = i8;
+ i8 = i8 + 1 | 0;
+ } while ((i8 | 0) != (i7 | 0));
+ i8 = i7 + -1 | 0;
+ i17 = HEAP32[i9 >> 2] | 0;
+ HEAP32[i5 + (i17 << 2) >> 2] = i8;
+ i9 = i5 + (i8 << 2) | 0;
+ HEAP32[i9 >> 2] = i17;
+ if (i10) {
+ i10 = i7 << 2;
+ i11 = 0;
+ i12 = i7;
+ L7 : while (1) {
+ if ((i12 | 0) > 1) {
+ while (1) {
+ i13 = i12 + -1 | 0;
+ HEAP32[i6 + (i13 << 2) >> 2] = i12;
+ if ((i13 | 0) > 1) {
+ i12 = i13;
+ } else {
+ i12 = 1;
+ break;
+ }
+ }
+ }
+ i13 = HEAP32[i5 >> 2] | 0;
+ if ((i13 | 0) != 0 ? (HEAP32[i9 >> 2] | 0) != (i8 | 0) : 0) {
+ _memcpy(i2 | 0, i5 | 0, i10 | 0) | 0;
+ i15 = 0;
+ i14 = HEAP32[i2 >> 2] | 0;
+ while (1) {
+ i17 = i14 + -1 | 0;
+ if ((i17 | 0) > 1) {
+ i16 = 1;
+ do {
+ i20 = i2 + (i16 << 2) | 0;
+ i19 = HEAP32[i20 >> 2] | 0;
+ i18 = i2 + (i17 << 2) | 0;
+ HEAP32[i20 >> 2] = HEAP32[i18 >> 2];
+ HEAP32[i18 >> 2] = i19;
+ i16 = i16 + 1 | 0;
+ i17 = i17 + -1 | 0;
+ } while ((i16 | 0) < (i17 | 0));
+ }
+ i15 = i15 + 1 | 0;
+ i20 = i2 + (i14 << 2) | 0;
+ i16 = HEAP32[i20 >> 2] | 0;
+ HEAP32[i20 >> 2] = i14;
+ if ((i16 | 0) == 0) {
+ break;
+ } else {
+ i14 = i16;
+ }
+ }
+ i11 = (i11 | 0) < (i15 | 0) ? i15 : i11;
+ }
+ if ((i12 | 0) >= (i8 | 0)) {
+ i8 = 34;
+ break;
+ }
+ while (1) {
+ if ((i12 | 0) > 0) {
+ i14 = 0;
+ while (1) {
+ i15 = i14 + 1 | 0;
+ HEAP32[i5 + (i14 << 2) >> 2] = HEAP32[i5 + (i15 << 2) >> 2];
+ if ((i15 | 0) == (i12 | 0)) {
+ i14 = i12;
+ break;
+ } else {
+ i14 = i15;
+ }
+ }
+ } else {
+ i14 = 0;
+ }
+ HEAP32[i5 + (i14 << 2) >> 2] = i13;
+ i14 = i6 + (i12 << 2) | 0;
+ i20 = (HEAP32[i14 >> 2] | 0) + -1 | 0;
+ HEAP32[i14 >> 2] = i20;
+ i14 = i12 + 1 | 0;
+ if ((i20 | 0) > 0) {
+ continue L7;
+ }
+ if ((i14 | 0) >= (i8 | 0)) {
+ i8 = 34;
+ break L7;
+ }
+ i13 = HEAP32[i5 >> 2] | 0;
+ i12 = i14;
+ }
+ }
+ if ((i8 | 0) == 34) {
+ _free(i5);
+ _free(i2);
+ _free(i6);
+ STACKTOP = i3;
+ return i11 | 0;
+ }
+ } else {
+ i1 = i9;
+ i4 = i8;
+ }
+ } else {
+ i4 = i7 + -1 | 0;
+ i20 = HEAP32[i9 >> 2] | 0;
+ HEAP32[i5 + (i20 << 2) >> 2] = i4;
+ i1 = i5 + (i4 << 2) | 0;
+ HEAP32[i1 >> 2] = i20;
+ }
+ i11 = 0;
+ L36 : while (1) {
+ if ((i7 | 0) > 1) {
+ while (1) {
+ i8 = i7 + -1 | 0;
+ HEAP32[i6 + (i8 << 2) >> 2] = i7;
+ if ((i8 | 0) > 1) {
+ i7 = i8;
+ } else {
+ i7 = 1;
+ break;
+ }
+ }
+ }
+ i8 = HEAP32[i5 >> 2] | 0;
+ if ((i8 | 0) != 0 ? (HEAP32[i1 >> 2] | 0) != (i4 | 0) : 0) {
+ i10 = 0;
+ i9 = HEAP32[i2 >> 2] | 0;
+ while (1) {
+ i13 = i9 + -1 | 0;
+ if ((i13 | 0) > 1) {
+ i12 = 1;
+ do {
+ i18 = i2 + (i12 << 2) | 0;
+ i19 = HEAP32[i18 >> 2] | 0;
+ i20 = i2 + (i13 << 2) | 0;
+ HEAP32[i18 >> 2] = HEAP32[i20 >> 2];
+ HEAP32[i20 >> 2] = i19;
+ i12 = i12 + 1 | 0;
+ i13 = i13 + -1 | 0;
+ } while ((i12 | 0) < (i13 | 0));
+ }
+ i10 = i10 + 1 | 0;
+ i20 = i2 + (i9 << 2) | 0;
+ i12 = HEAP32[i20 >> 2] | 0;
+ HEAP32[i20 >> 2] = i9;
+ if ((i12 | 0) == 0) {
+ break;
+ } else {
+ i9 = i12;
+ }
+ }
+ i11 = (i11 | 0) < (i10 | 0) ? i10 : i11;
+ }
+ if ((i7 | 0) >= (i4 | 0)) {
+ i8 = 34;
+ break;
+ }
+ while (1) {
+ if ((i7 | 0) > 0) {
+ i9 = 0;
+ while (1) {
+ i10 = i9 + 1 | 0;
+ HEAP32[i5 + (i9 << 2) >> 2] = HEAP32[i5 + (i10 << 2) >> 2];
+ if ((i10 | 0) == (i7 | 0)) {
+ i9 = i7;
+ break;
+ } else {
+ i9 = i10;
+ }
+ }
+ } else {
+ i9 = 0;
+ }
+ HEAP32[i5 + (i9 << 2) >> 2] = i8;
+ i9 = i6 + (i7 << 2) | 0;
+ i20 = (HEAP32[i9 >> 2] | 0) + -1 | 0;
+ HEAP32[i9 >> 2] = i20;
+ i9 = i7 + 1 | 0;
+ if ((i20 | 0) > 0) {
+ continue L36;
+ }
+ if ((i9 | 0) >= (i4 | 0)) {
+ i8 = 34;
+ break L36;
+ }
+ i8 = HEAP32[i5 >> 2] | 0;
+ i7 = i9;
+ }
+ }
+ if ((i8 | 0) == 34) {
+ _free(i5);
+ _free(i2);
+ _free(i6);
+ STACKTOP = i3;
+ return i11 | 0;
+ }
+ return 0;
+}
+function _main(i3, i5) {
+ i3 = i3 | 0;
+ i5 = i5 | 0;
+ var i1 = 0, i2 = 0, i4 = 0, i6 = 0, i7 = 0, i8 = 0, i9 = 0, i10 = 0, i11 = 0;
+ i2 = STACKTOP;
+ STACKTOP = STACKTOP + 16 | 0;
+ i1 = i2;
+ L1 : do {
+ if ((i3 | 0) > 1) {
+ i3 = HEAP8[HEAP32[i5 + 4 >> 2] | 0] | 0;
+ switch (i3 | 0) {
+ case 50:
+ {
+ i3 = 10;
+ break L1;
+ }
+ case 51:
+ {
+ i4 = 4;
+ break L1;
+ }
+ case 52:
+ {
+ i3 = 11;
+ break L1;
+ }
+ case 53:
+ {
+ i3 = 12;
+ break L1;
+ }
+ case 49:
+ {
+ i3 = 9;
+ break L1;
+ }
+ case 48:
+ {
+ i11 = 0;
+ STACKTOP = i2;
+ return i11 | 0;
+ }
+ default:
+ {
+ HEAP32[i1 >> 2] = i3 + -48;
+ _printf(8, i1 | 0) | 0;
+ i11 = -1;
+ STACKTOP = i2;
+ return i11 | 0;
+ }
+ }
+ } else {
+ i4 = 4;
+ }
+ } while (0);
+ if ((i4 | 0) == 4) {
+ i3 = 11;
+ }
+ i5 = i3 + -1 | 0;
+ i6 = 0;
+ i7 = 0;
+ while (1) {
+ i4 = _malloc(12) | 0;
+ HEAP32[i4 >> 2] = i7;
+ HEAP32[i4 + 4 >> 2] = i3;
+ HEAP32[i4 + 8 >> 2] = i6;
+ i7 = i7 + 1 | 0;
+ if ((i7 | 0) == (i5 | 0)) {
+ break;
+ } else {
+ i6 = i4;
+ }
+ }
+ i5 = i3 << 2;
+ i6 = _malloc(i5) | 0;
+ i5 = _malloc(i5) | 0;
+ i7 = 0;
+ do {
+ HEAP32[i6 + (i7 << 2) >> 2] = i7;
+ i7 = i7 + 1 | 0;
+ } while ((i7 | 0) != (i3 | 0));
+ i8 = i3;
+ i7 = 30;
+ L19 : do {
+ i9 = 0;
+ do {
+ HEAP32[i1 >> 2] = (HEAP32[i6 + (i9 << 2) >> 2] | 0) + 1;
+ _printf(48, i1 | 0) | 0;
+ i9 = i9 + 1 | 0;
+ } while ((i9 | 0) != (i3 | 0));
+ _putchar(10) | 0;
+ i7 = i7 + -1 | 0;
+ if ((i8 | 0) <= 1) {
+ if ((i8 | 0) == (i3 | 0)) {
+ break;
+ }
+ } else {
+ while (1) {
+ i9 = i8 + -1 | 0;
+ HEAP32[i5 + (i9 << 2) >> 2] = i8;
+ if ((i9 | 0) > 1) {
+ i8 = i9;
+ } else {
+ i8 = 1;
+ break;
+ }
+ }
+ }
+ while (1) {
+ i9 = HEAP32[i6 >> 2] | 0;
+ if ((i8 | 0) > 0) {
+ i11 = 0;
+ while (1) {
+ i10 = i11 + 1 | 0;
+ HEAP32[i6 + (i11 << 2) >> 2] = HEAP32[i6 + (i10 << 2) >> 2];
+ if ((i10 | 0) == (i8 | 0)) {
+ i10 = i8;
+ break;
+ } else {
+ i11 = i10;
+ }
+ }
+ } else {
+ i10 = 0;
+ }
+ HEAP32[i6 + (i10 << 2) >> 2] = i9;
+ i9 = i5 + (i8 << 2) | 0;
+ i11 = (HEAP32[i9 >> 2] | 0) + -1 | 0;
+ HEAP32[i9 >> 2] = i11;
+ i9 = i8 + 1 | 0;
+ if ((i11 | 0) > 0) {
+ break;
+ }
+ if ((i9 | 0) == (i3 | 0)) {
+ break L19;
+ } else {
+ i8 = i9;
+ }
+ }
+ } while ((i7 | 0) != 0);
+ _free(i6);
+ _free(i5);
+ if ((i4 | 0) == 0) {
+ i5 = 0;
+ } else {
+ i5 = 0;
+ while (1) {
+ i6 = __Z15fannkuch_workerPv(i4) | 0;
+ i5 = (i5 | 0) < (i6 | 0) ? i6 : i5;
+ i6 = HEAP32[i4 + 8 >> 2] | 0;
+ _free(i4);
+ if ((i6 | 0) == 0) {
+ break;
+ } else {
+ i4 = i6;
+ }
+ }
+ }
+ HEAP32[i1 >> 2] = i3;
+ HEAP32[i1 + 4 >> 2] = i5;
+ _printf(24, i1 | 0) | 0;
+ i11 = 0;
+ STACKTOP = i2;
+ return i11 | 0;
+}
+function _memcpy(i3, i2, i1) {
+ i3 = i3 | 0;
+ i2 = i2 | 0;
+ i1 = i1 | 0;
+ var i4 = 0;
+ if ((i1 | 0) >= 4096) return _emscripten_memcpy_big(i3 | 0, i2 | 0, i1 | 0) | 0;
+ i4 = i3 | 0;
+ if ((i3 & 3) == (i2 & 3)) {
+ while (i3 & 3) {
+ if ((i1 | 0) == 0) return i4 | 0;
+ HEAP8[i3] = HEAP8[i2] | 0;
+ i3 = i3 + 1 | 0;
+ i2 = i2 + 1 | 0;
+ i1 = i1 - 1 | 0;
+ }
+ while ((i1 | 0) >= 4) {
+ HEAP32[i3 >> 2] = HEAP32[i2 >> 2];
+ i3 = i3 + 4 | 0;
+ i2 = i2 + 4 | 0;
+ i1 = i1 - 4 | 0;
+ }
+ }
+ while ((i1 | 0) > 0) {
+ HEAP8[i3] = HEAP8[i2] | 0;
+ i3 = i3 + 1 | 0;
+ i2 = i2 + 1 | 0;
+ i1 = i1 - 1 | 0;
+ }
+ return i4 | 0;
+}
+function _memset(i1, i4, i3) {
+ i1 = i1 | 0;
+ i4 = i4 | 0;
+ i3 = i3 | 0;
+ var i2 = 0, i5 = 0, i6 = 0, i7 = 0;
+ i2 = i1 + i3 | 0;
+ if ((i3 | 0) >= 20) {
+ i4 = i4 & 255;
+ i7 = i1 & 3;
+ i6 = i4 | i4 << 8 | i4 << 16 | i4 << 24;
+ i5 = i2 & ~3;
+ if (i7) {
+ i7 = i1 + 4 - i7 | 0;
+ while ((i1 | 0) < (i7 | 0)) {
+ HEAP8[i1] = i4;
+ i1 = i1 + 1 | 0;
+ }
+ }
+ while ((i1 | 0) < (i5 | 0)) {
+ HEAP32[i1 >> 2] = i6;
+ i1 = i1 + 4 | 0;
+ }
+ }
+ while ((i1 | 0) < (i2 | 0)) {
+ HEAP8[i1] = i4;
+ i1 = i1 + 1 | 0;
+ }
+ return i1 - i3 | 0;
+}
+function copyTempDouble(i1) {
+ i1 = i1 | 0;
+ HEAP8[tempDoublePtr] = HEAP8[i1];
+ HEAP8[tempDoublePtr + 1 | 0] = HEAP8[i1 + 1 | 0];
+ HEAP8[tempDoublePtr + 2 | 0] = HEAP8[i1 + 2 | 0];
+ HEAP8[tempDoublePtr + 3 | 0] = HEAP8[i1 + 3 | 0];
+ HEAP8[tempDoublePtr + 4 | 0] = HEAP8[i1 + 4 | 0];
+ HEAP8[tempDoublePtr + 5 | 0] = HEAP8[i1 + 5 | 0];
+ HEAP8[tempDoublePtr + 6 | 0] = HEAP8[i1 + 6 | 0];
+ HEAP8[tempDoublePtr + 7 | 0] = HEAP8[i1 + 7 | 0];
+}
+function copyTempFloat(i1) {
+ i1 = i1 | 0;
+ HEAP8[tempDoublePtr] = HEAP8[i1];
+ HEAP8[tempDoublePtr + 1 | 0] = HEAP8[i1 + 1 | 0];
+ HEAP8[tempDoublePtr + 2 | 0] = HEAP8[i1 + 2 | 0];
+ HEAP8[tempDoublePtr + 3 | 0] = HEAP8[i1 + 3 | 0];
+}
+function runPostSets() {}
+function _strlen(i1) {
+ i1 = i1 | 0;
+ var i2 = 0;
+ i2 = i1;
+ while (HEAP8[i2] | 0) {
+ i2 = i2 + 1 | 0;
+ }
+ return i2 - i1 | 0;
+}
+function stackAlloc(i1) {
+ i1 = i1 | 0;
+ var i2 = 0;
+ i2 = STACKTOP;
+ STACKTOP = STACKTOP + i1 | 0;
+ STACKTOP = STACKTOP + 7 & -8;
+ return i2 | 0;
+}
+function setThrew(i1, i2) {
+ i1 = i1 | 0;
+ i2 = i2 | 0;
+ if ((__THREW__ | 0) == 0) {
+ __THREW__ = i1;
+ threwValue = i2;
+ }
+}
+function stackRestore(i1) {
+ i1 = i1 | 0;
+ STACKTOP = i1;
+}
+function setTempRet9(i1) {
+ i1 = i1 | 0;
+ tempRet9 = i1;
+}
+function setTempRet8(i1) {
+ i1 = i1 | 0;
+ tempRet8 = i1;
+}
+function setTempRet7(i1) {
+ i1 = i1 | 0;
+ tempRet7 = i1;
+}
+function setTempRet6(i1) {
+ i1 = i1 | 0;
+ tempRet6 = i1;
+}
+function setTempRet5(i1) {
+ i1 = i1 | 0;
+ tempRet5 = i1;
+}
+function setTempRet4(i1) {
+ i1 = i1 | 0;
+ tempRet4 = i1;
+}
+function setTempRet3(i1) {
+ i1 = i1 | 0;
+ tempRet3 = i1;
+}
+function setTempRet2(i1) {
+ i1 = i1 | 0;
+ tempRet2 = i1;
+}
+function setTempRet1(i1) {
+ i1 = i1 | 0;
+ tempRet1 = i1;
+}
+function setTempRet0(i1) {
+ i1 = i1 | 0;
+ tempRet0 = i1;
+}
+function stackSave() {
+ return STACKTOP | 0;
+}
+
+// EMSCRIPTEN_END_FUNCS
+
+
+ return { _strlen: _strlen, _free: _free, _main: _main, _memset: _memset, _malloc: _malloc, _memcpy: _memcpy, runPostSets: runPostSets, stackAlloc: stackAlloc, stackSave: stackSave, stackRestore: stackRestore, setThrew: setThrew, setTempRet0: setTempRet0, setTempRet1: setTempRet1, setTempRet2: setTempRet2, setTempRet3: setTempRet3, setTempRet4: setTempRet4, setTempRet5: setTempRet5, setTempRet6: setTempRet6, setTempRet7: setTempRet7, setTempRet8: setTempRet8, setTempRet9: setTempRet9 };
+})
+// 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, "_fflush": _fflush, "_emscripten_memcpy_big": _emscripten_memcpy_big, "_putchar": _putchar, "_fputc": _fputc, "_send": _send, "_pwrite": _pwrite, "_abort": _abort, "__reallyNegative": __reallyNegative, "_fwrite": _fwrite, "_sbrk": _sbrk, "_mkport": _mkport, "_fprintf": _fprintf, "___setErrNo": ___setErrNo, "__formatString": __formatString, "_fileno": _fileno, "_printf": _printf, "_time": _time, "_sysconf": _sysconf, "_write": _write, "___errno_location": ___errno_location, "STACKTOP": STACKTOP, "STACK_MAX": STACK_MAX, "tempDoublePtr": tempDoublePtr, "ABORT": ABORT, "NaN": NaN, "Infinity": Infinity }, buffer);
+var _strlen = Module["_strlen"] = asm["_strlen"];
+var _free = Module["_free"] = asm["_free"];
+var _main = Module["_main"] = asm["_main"];
+var _memset = Module["_memset"] = asm["_memset"];
+var _malloc = Module["_malloc"] = asm["_malloc"];
+var _memcpy = Module["_memcpy"] = asm["_memcpy"];
+var runPostSets = Module["runPostSets"] = asm["runPostSets"];
+
+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) {
+ if (ENVIRONMENT_IS_NODE || ENVIRONMENT_IS_SHELL) {
+ var data = Module['readBinary'](memoryInitializer);
+ HEAPU8.set(data, STATIC_BASE);
+ } else {
+ addRunDependency('memory initializer');
+ Browser.asyncLoad(memoryInitializer, function(data) {
+ HEAPU8.set(data, STATIC_BASE);
+ 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([].concat(Module["arguments"]));
+ 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 || [];
+
+ 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) return; // a preRun added a dependency, run will be called later
+ if (Module['calledRun']) return; // run may have just been called through dependencies being fulfilled just in this very frame
+
+ function doRun() {
+ if (Module['calledRun']) return; // run may have just been called while the async setStatus time below was happening
+ Module['calledRun'] = true;
+
+ ensureInitRuntime();
+
+ preMain();
+
+ if (ENVIRONMENT_IS_WEB && preloadStartTime !== null) {
+ Module.printErr('pre-main prep time: ' + (Date.now() - preloadStartTime) + ' ms');
+ }
+
+ 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;
+
+ var extra = '\nIf this abort() is unexpected, build with -s ASSERTIONS=1 which can give more information.';
+
+ throw 'abort() at ' + stackTrace() + extra;
+}
+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([].concat(Module["arguments"]));
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