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hecomi/emscriptened.js

Last active December 18, 2015 01:48
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C のコード： "int main() { return 0; } " と "#include <stdio.h> int main() { puts("hello, world!"); return 0; } " を em++ で JS に変換した結果の比較です。
Raw
emscriptened.js
// Note: Some Emscripten settings will significantly limit the speed of the generated code.
// Note: Some Emscripten settings may limit the speed of the generated code.
try {
this['Module'] = Module;
} catch(e) {
this['Module'] = Module = {};
}
// The environment setup code below is customized to use Module.
// *** Environment setup code ***
var ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require === 'function';
var ENVIRONMENT_IS_WEB = typeof window === 'object';
var ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
if (ENVIRONMENT_IS_NODE) {
// Expose functionality in the same simple way that the shells work
// Note that we pollute the global namespace here, otherwise we break in node
Module['print'] = function(x) {
process['stdout'].write(x + '\n');
};
Module['printErr'] = function(x) {
process['stderr'].write(x + '\n');
};
var nodeFS = require('fs');
var nodePath = require('path');
Module['read'] = function(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(filename) { return Module['read'](filename, true) };
Module['load'] = function(f) {
globalEval(read(f));
};
if (!Module['arguments']) {
Module['arguments'] = process['argv'].slice(2);
}
}
if (ENVIRONMENT_IS_SHELL) {
Module['print'] = print;
if (typeof printErr != 'undefined') Module['printErr'] = printErr; // not present in v8 or older sm
Module['read'] = read;
Module['readBinary'] = function(f) {
return read(f, 'binary');
};
if (!Module['arguments']) {
if (typeof scriptArgs != 'undefined') {
Module['arguments'] = scriptArgs;
} else if (typeof arguments != 'undefined') {
Module['arguments'] = arguments;
}
}
}
if (ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_WORKER) {
if (!Module['print']) {
Module['print'] = function(x) {
console.log(x);
};
}
if (!Module['printErr']) {
Module['printErr'] = function(x) {
console.log(x);
};
}
}
if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
Module['read'] = function(url) {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.send(null);
return xhr.responseText;
};
if (!Module['arguments']) {
if (typeof arguments != 'undefined') {
Module['arguments'] = arguments;
}
}
}
if (ENVIRONMENT_IS_WORKER) {
// 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
}));
}
Module['load'] = importScripts;
}
if (!ENVIRONMENT_IS_WORKER && !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_SHELL) {
// 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(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
if (!Module['preRun']) Module['preRun'] = [];
if (!Module['postRun']) Module['postRun'] = [];
// === 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)) {
var logg = log2(quantum);
return '((((' +target + ')+' + (quantum-1) + ')>>' + logg + ')<<' + logg + ')';
}
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 (/^\[\d+\ x\ (.*)\]/.test(type)) return true; // [15 x ?] blocks. Like structs
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, quantumSize) {
if (Runtime.QUANTUM_SIZE == 1) return 1;
var size = {
'%i1': 1,
'%i8': 1,
'%i16': 2,
'%i32': 4,
'%i64': 8,
"%float": 4,
"%double": 8
}['%'+type]; // add '%' since float and double confuse Closure compiler as keys, and also spidermonkey as a compiler will remove 's from '_i8' etc
if (!size) {
if (type.charAt(type.length-1) == '*') {
size = Runtime.QUANTUM_SIZE; // A pointer
} else if (type[0] == 'i') {
var bits = parseInt(type.substr(1));
assert(bits % 8 == 0);
size = bits/8;
}
}
return size;
},
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;
},
calculateStructAlignment: function calculateStructAlignment(type) {
type.flatSize = 0;
type.alignSize = 0;
var diffs = [];
var prev = -1;
type.flatIndexes = type.fields.map(function(field) {
var size, alignSize;
if (Runtime.isNumberType(field) || Runtime.isPointerType(field)) {
size = Runtime.getNativeTypeSize(field); // pack char; char; in structs, also char[X]s.
alignSize = size;
} else if (Runtime.isStructType(field)) {
size = Types.types[field].flatSize;
alignSize = 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 {
throw 'Unclear type in struct: ' + field + ', in ' + type.name_ + ' :: ' + dump(Types.types[type.name_]);
}
alignSize = type.packed ? 1 : Math.min(alignSize, Runtime.QUANTUM_SIZE);
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;
});
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) {
assert(args.length == sig.length-1);
return FUNCTION_TABLE[ptr].apply(null, args);
} else {
assert(sig.length == 1);
return FUNCTION_TABLE[ptr]();
}
},
addFunction: function (func, sig) {
//assert(sig); // TODO: support asm
var table = FUNCTION_TABLE; // TODO: support asm
var ret = table.length;
table.push(func);
table.push(0);
return ret;
},
removeFunction: function (index) {
var table = FUNCTION_TABLE; // TODO: support asm
table[index] = null;
},
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() {
Runtime.dynCall(sig, func, arguments);
};
}
return Runtime.funcWrappers[func];
},
UTF8Processor: function () {
var buffer = [];
var needed = 0;
this.processCChar = function (code) {
code = code & 0xff;
if (needed) {
buffer.push(code);
needed--;
}
if (buffer.length == 0) {
if (code < 128) return String.fromCharCode(code);
buffer.push(code);
if (code > 191 && code < 224) {
needed = 1;
} else {
needed = 2;
}
return '';
}
if (needed > 0) return '';
var c1 = buffer[0];
var c2 = buffer[1];
var c3 = buffer[2];
var ret;
if (c1 > 191 && c1 < 224) {
ret = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));
} else {
ret = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
}
buffer.length = 0;
return ret;
}
this.processJSString = function(string) {
string = unescape(encodeURIComponent(string));
var ret = [];
for (var i = 0; i < string.length; i++) {
ret.push(string.charCodeAt(i));
}
return ret;
}
},
stackAlloc: function (size) { var ret = STACKTOP;STACKTOP = (STACKTOP + size)|0;STACKTOP = ((((STACKTOP)+3)>>2)<<2);assert((STACKTOP|0) < (STACK_MAX|0)); return ret; },
staticAlloc: function (size) { var ret = STATICTOP;STATICTOP = (STATICTOP + size)|0;STATICTOP = ((((STATICTOP)+3)>>2)<<2); if (STATICTOP >= TOTAL_MEMORY) enlargeMemory();; return ret; },
alignMemory: function (size,quantum) { var ret = size = Math.ceil((size)/(quantum ? quantum : 4))*(quantum ? quantum : 4); return ret; },
makeBigInt: function (low,high,unsigned) { var ret = (unsigned ? (((low)>>>(0))+(((high)>>>(0))*4294967296)) : (((low)>>>(0))+(((high)|(0))*4294967296))); return ret; },
QUANTUM_SIZE: 4,
__dummy__: 0
}
//========================================
// Runtime essentials
//========================================
var __THREW__ = 0; // Used in checking for thrown exceptions.
var setjmpId = 1; // Used in setjmp/longjmp
var setjmpLabels = {};
var ABORT = false;
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;
var tempI64, tempI64b;
var tempRet0, tempRet1, tempRet2, tempRet3, tempRet4, tempRet5, tempRet6, tempRet7, tempRet8, tempRet9;
function abort(text) {
Module.print(text + ':\n' + (new Error).stack);
ABORT = true;
throw "Assertion: " + text;
}
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).
// @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 = globalScope['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
if (!stack) stack = Runtime.stackSave();
var ret = Runtime.stackAlloc(value.length+1);
writeStringToMemory(value, ret);
return ret;
} else 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,Math.min(Math.floor((value)/4294967296), 4294967295)>>>0],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break;
case 'float': HEAPF32[((ptr)>>2)]=value; break;
case 'double': (HEAPF64[(tempDoublePtr)>>3]=value,HEAP32[((ptr)>>2)]=HEAP32[((tempDoublePtr)>>2)],HEAP32[(((ptr)+(4))>>2)]=HEAP32[(((tempDoublePtr)+(4))>>2)]); 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 (HEAP32[((tempDoublePtr)>>2)]=HEAP32[((ptr)>>2)],HEAP32[(((tempDoublePtr)+(4))>>2)]=HEAP32[(((ptr)+(4))>>2)],HEAPF64[(tempDoublePtr)>>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_NONE = 3; // Do not allocate
Module['ALLOC_NORMAL'] = ALLOC_NORMAL;
Module['ALLOC_STACK'] = ALLOC_STACK;
Module['ALLOC_STATIC'] = ALLOC_STATIC;
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][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') {
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;
}
assert(type, 'Must know what type to store in allocate!');
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) {
// 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++) {
assert(ptr + i < TOTAL_MEMORY);
t = HEAPU8[(((ptr)+(i))|0)];
ret += utf8.processCChar(t);
}
return ret;
}
Module['Pointer_stringify'] = Pointer_stringify;
// Memory management
var PAGE_SIZE = 4096;
function alignMemoryPage(x) {
return ((x+4095)>>12)<<12;
}
var HEAP;
var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
var STACK_ROOT, STACKTOP, STACK_MAX;
var STATICTOP;
function enlargeMemory() {
abort('Cannot enlarge memory arrays. Either (1) compile with -s TOTAL_MEMORY=X with X higher than the current value, (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'] || 16777216;
var FAST_MEMORY = Module['FAST_MEMORY'] || 2097152;
// Initialize the runtime's memory
// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
assert(!!Int32Array && !!Float64Array && !!(new Int32Array(1)['subarray']) && !!(new Int32Array(1)['set']),
'Cannot fallback to non-typed array case: Code is too specialized');
var buffer = new ArrayBuffer(TOTAL_MEMORY);
HEAP8 = new Int8Array(buffer);
HEAP16 = new Int16Array(buffer);
HEAP32 = new Int32Array(buffer);
HEAPU8 = new Uint8Array(buffer);
HEAPU16 = new Uint16Array(buffer);
HEAPU32 = new Uint32Array(buffer);
HEAPF32 = new Float32Array(buffer);
HEAPF64 = new Float64Array(buffer);
// Endianness check (note: assumes compiler arch was little-endian)
HEAP32[0] = 255;
assert(HEAPU8[0] === 255 && HEAPU8[3] === 0, 'Typed arrays 2 must be run on a little-endian system');
Module['HEAP'] = HEAP;
Module['HEAP8'] = HEAP8;
Module['HEAP16'] = HEAP16;
Module['HEAP32'] = HEAP32;
Module['HEAPU8'] = HEAPU8;
Module['HEAPU16'] = HEAPU16;
Module['HEAPU32'] = HEAPU32;
Module['HEAPF32'] = HEAPF32;
Module['HEAPF64'] = HEAPF64;
STACK_ROOT = STACKTOP = Runtime.alignMemory(1);
STACK_MAX = TOTAL_STACK; // we lose a little stack here, but TOTAL_STACK is nice and round so use that as the max
var tempDoublePtr = Runtime.alignMemory(allocate(12, 'i8', ALLOC_STACK), 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];
}
STATICTOP = STACK_MAX;
assert(STATICTOP < TOTAL_MEMORY); // Stack must fit in TOTAL_MEMORY; allocations from here on may enlarge TOTAL_MEMORY
var nullString = allocate(intArrayFromString('(null)'), 'i8', ALLOC_STACK);
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 __ATINIT__ = []; // functions called during startup
var __ATMAIN__ = []; // functions called when main() is to be run
var __ATEXIT__ = []; // functions called during shutdown
var runtimeInitialized = false;
function ensureInitRuntime() {
if (runtimeInitialized) return;
runtimeInitialized = true;
callRuntimeCallbacks(__ATINIT__);
}
function preMain() {
callRuntimeCallbacks(__ATMAIN__);
}
function exitRuntime() {
callRuntimeCallbacks(__ATEXIT__);
}
// 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) {
assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.');
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 unSign(value, bits, ignore, sig) {
if (value >= 0) {
return value;
}
return bits <= 32 ? 2*Math.abs(1 << (bits-1)) + value // Need some trickery, since if bits == 32, we are right at the limit of the bits JS uses in bitshifts
: Math.pow(2, bits) + value;
}
function reSign(value, bits, ignore, sig) {
if (value <= 0) {
return value;
}
var half = bits <= 32 ? Math.abs(1 << (bits-1)) // abs is needed if bits == 32
: Math.pow(2, bits-1);
if (value >= half && (bits <= 32 || value > half)) { // for huge values, we can hit the precision limit and always get true here. so don't do that
// but, in general there is no perfect solution here. With 64-bit ints, we get rounding and errors
// TODO: In i64 mode 1, resign the two parts separately and safely
value = -2*half + value; // Cannot bitshift half, as it may be at the limit of the bits JS uses in bitshifts
}
return value;
}
if (!Math.imul) Math.imul = function(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;
};
// 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 runDependencyTracking = {};
var calledInit = false, calledRun = false;
var runDependencyWatcher = null;
function addRunDependency(id) {
runDependencies++;
if (Module['monitorRunDependencies']) {
Module['monitorRunDependencies'](runDependencies);
}
if (id) {
assert(!runDependencyTracking[id]);
runDependencyTracking[id] = 1;
if (runDependencyWatcher === null && typeof setInterval !== 'undefined') {
// Check for missing dependencies every few seconds
runDependencyWatcher = setInterval(function() {
var shown = false;
for (var dep in runDependencyTracking) {
if (!shown) {
shown = true;
Module.printErr('still waiting on run dependencies:');
}
Module.printErr('dependency: ' + dep);
}
if (shown) {
Module.printErr('(end of list)');
}
}, 6000);
}
} else {
Module.printErr('warning: run dependency added without ID');
}
}
Module['addRunDependency'] = addRunDependency;
function removeRunDependency(id) {
runDependencies--;
if (Module['monitorRunDependencies']) {
Module['monitorRunDependencies'](runDependencies);
}
if (id) {
assert(runDependencyTracking[id]);
delete runDependencyTracking[id];
} else {
Module.printErr('warning: run dependency removed without ID');
}
if (runDependencies == 0) {
if (runDependencyWatcher !== null) {
clearInterval(runDependencyWatcher);
runDependencyWatcher = null;
}
// If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
if (!calledRun && shouldRunNow) run();
}
}
Module['removeRunDependency'] = removeRunDependency;
Module["preloadedImages"] = {}; // maps url to image data
Module["preloadedAudios"] = {}; // maps url to audio data
function addPreRun(func) {
if (!Module['preRun']) Module['preRun'] = [];
else if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
Module['preRun'].push(func);
}
var awaitingMemoryInitializer = false;
function loadMemoryInitializer(filename) {
function applyData(data) {
HEAPU8.set(data, TOTAL_STACK);
runPostSets();
}
// always do this asynchronously, to keep shell and web as similar as possible
addPreRun(function() {
if (ENVIRONMENT_IS_NODE || ENVIRONMENT_IS_SHELL) {
applyData(Module['readBinary'](filename));
} else {
Browser.asyncLoad(filename, function(data) {
applyData(data);
}, function(data) {
throw 'could not load memory initializer ' + filename;
});
}
});
awaitingMemoryInitializer = false;
}
// === Body ===
assert(STATICTOP == STACK_MAX); assert(STACK_MAX == TOTAL_STACK);
STATICTOP += 16;
assert(STATICTOP < TOTAL_MEMORY);
/* memory initializer */ allocate([72,101,108,108,111,44,32,119,111,114,108,100,33,0,0,0], "i8", ALLOC_NONE, TOTAL_STACK)
function runPostSets() {
}
if (!awaitingMemoryInitializer) runPostSets();
var ERRNO_CODES={E2BIG:7,EACCES:13,EADDRINUSE:98,EADDRNOTAVAIL:99,EAFNOSUPPORT:97,EAGAIN:11,EALREADY:114,EBADF:9,EBADMSG:74,EBUSY:16,ECANCELED:125,ECHILD:10,ECONNABORTED:103,ECONNREFUSED:111,ECONNRESET:104,EDEADLK:35,EDESTADDRREQ:89,EDOM:33,EDQUOT:122,EEXIST:17,EFAULT:14,EFBIG:27,EHOSTUNREACH:113,EIDRM:43,EILSEQ:84,EINPROGRESS:115,EINTR:4,EINVAL:22,EIO:5,EISCONN:106,EISDIR:21,ELOOP:40,EMFILE:24,EMLINK:31,EMSGSIZE:90,EMULTIHOP:72,ENAMETOOLONG:36,ENETDOWN:100,ENETRESET:102,ENETUNREACH:101,ENFILE:23,ENOBUFS:105,ENODATA:61,ENODEV:19,ENOENT:2,ENOEXEC:8,ENOLCK:37,ENOLINK:67,ENOMEM:12,ENOMSG:42,ENOPROTOOPT:92,ENOSPC:28,ENOSR:63,ENOSTR:60,ENOSYS:38,ENOTCONN:107,ENOTDIR:20,ENOTEMPTY:39,ENOTRECOVERABLE:131,ENOTSOCK:88,ENOTSUP:95,ENOTTY:25,ENXIO:6,EOVERFLOW:75,EOWNERDEAD:130,EPERM:1,EPIPE:32,EPROTO:71,EPROTONOSUPPORT:93,EPROTOTYPE:91,ERANGE:34,EROFS:30,ESPIPE:29,ESRCH:3,ESTALE:116,ETIME:62,ETIMEDOUT:110,ETXTBSY:26,EWOULDBLOCK:11,EXDEV:18};
function ___setErrNo(value) {
// For convenient setting and returning of errno.
if (!___setErrNo.ret) ___setErrNo.ret = allocate([0], 'i32', ALLOC_STATIC);
HEAP32[((___setErrNo.ret)>>2)]=value
return value;
}
var _stdin=allocate(1, "i32*", ALLOC_STACK);
var _stdout=allocate(1, "i32*", ALLOC_STACK);
var _stderr=allocate(1, "i32*", ALLOC_STACK);
var __impure_ptr=allocate(1, "i32*", ALLOC_STACK);var FS={currentPath:"/",nextInode:2,streams:[null],checkStreams:function () {
for (var i in FS.streams) if (FS.streams.hasOwnProperty(i)) assert(i >= 0 && i < FS.streams.length); // no keys not in dense span
for (var i = 0; i < FS.streams.length; i++) assert(typeof FS.streams[i] == 'object'); // no non-null holes in dense span
},ignorePermissions:true,joinPath:function (parts, forceRelative) {
var ret = parts[0];
for (var i = 1; i < parts.length; i++) {
if (ret[ret.length-1] != '/') ret += '/';
ret += parts[i];
}
if (forceRelative && ret[0] == '/') ret = ret.substr(1);
return ret;
},absolutePath:function (relative, base) {
if (typeof relative !== 'string') return null;
if (base === undefined) base = FS.currentPath;
if (relative && relative[0] == '/') base = '';
var full = base + '/' + relative;
var parts = full.split('/').reverse();
var absolute = [''];
while (parts.length) {
var part = parts.pop();
if (part == '' || part == '.') {
// Nothing.
} else if (part == '..') {
if (absolute.length > 1) absolute.pop();
} else {
absolute.push(part);
}
}
return absolute.length == 1 ? '/' : absolute.join('/');
},analyzePath:function (path, dontResolveLastLink, linksVisited) {
var ret = {
isRoot: false,
exists: false,
error: 0,
name: null,
path: null,
object: null,
parentExists: false,
parentPath: null,
parentObject: null
};
path = FS.absolutePath(path);
if (path == '/') {
ret.isRoot = true;
ret.exists = ret.parentExists = true;
ret.name = '/';
ret.path = ret.parentPath = '/';
ret.object = ret.parentObject = FS.root;
} else if (path !== null) {
linksVisited = linksVisited || 0;
path = path.slice(1).split('/');
var current = FS.root;
var traversed = [''];
while (path.length) {
if (path.length == 1 && current.isFolder) {
ret.parentExists = true;
ret.parentPath = traversed.length == 1 ? '/' : traversed.join('/');
ret.parentObject = current;
ret.name = path[0];
}
var target = path.shift();
if (!current.isFolder) {
ret.error = ERRNO_CODES.ENOTDIR;
break;
} else if (!current.read) {
ret.error = ERRNO_CODES.EACCES;
break;
} else if (!current.contents.hasOwnProperty(target)) {
ret.error = ERRNO_CODES.ENOENT;
break;
}
current = current.contents[target];
if (current.link && !(dontResolveLastLink && path.length == 0)) {
if (linksVisited > 40) { // Usual Linux SYMLOOP_MAX.
ret.error = ERRNO_CODES.ELOOP;
break;
}
var link = FS.absolutePath(current.link, traversed.join('/'));
ret = FS.analyzePath([link].concat(path).join('/'),
dontResolveLastLink, linksVisited + 1);
return ret;
}
traversed.push(target);
if (path.length == 0) {
ret.exists = true;
ret.path = traversed.join('/');
ret.object = current;
}
}
}
return ret;
},findObject:function (path, dontResolveLastLink) {
FS.ensureRoot();
var ret = FS.analyzePath(path, dontResolveLastLink);
if (ret.exists) {
return ret.object;
} else {
___setErrNo(ret.error);
return null;
}
},createObject:function (parent, name, properties, canRead, canWrite) {
if (!parent) parent = '/';
if (typeof parent === 'string') parent = FS.findObject(parent);
if (!parent) {
___setErrNo(ERRNO_CODES.EACCES);
throw new Error('Parent path must exist.');
}
if (!parent.isFolder) {
___setErrNo(ERRNO_CODES.ENOTDIR);
throw new Error('Parent must be a folder.');
}
if (!parent.write && !FS.ignorePermissions) {
___setErrNo(ERRNO_CODES.EACCES);
throw new Error('Parent folder must be writeable.');
}
if (!name || name == '.' || name == '..') {
___setErrNo(ERRNO_CODES.ENOENT);
throw new Error('Name must not be empty.');
}
if (parent.contents.hasOwnProperty(name)) {
___setErrNo(ERRNO_CODES.EEXIST);
throw new Error("Can't overwrite object.");
}
parent.contents[name] = {
read: canRead === undefined ? true : canRead,
write: canWrite === undefined ? false : canWrite,
timestamp: Date.now(),
inodeNumber: FS.nextInode++
};
for (var key in properties) {
if (properties.hasOwnProperty(key)) {
parent.contents[name][key] = properties[key];
}
}
return parent.contents[name];
},createFolder:function (parent, name, canRead, canWrite) {
var properties = {isFolder: true, isDevice: false, contents: {}};
return FS.createObject(parent, name, properties, canRead, canWrite);
},createPath:function (parent, path, canRead, canWrite) {
var current = FS.findObject(parent);
if (current === null) throw new Error('Invalid parent.');
path = path.split('/').reverse();
while (path.length) {
var part = path.pop();
if (!part) continue;
if (!current.contents.hasOwnProperty(part)) {
FS.createFolder(current, part, canRead, canWrite);
}
current = current.contents[part];
}
return current;
},createFile:function (parent, name, properties, canRead, canWrite) {
properties.isFolder = false;
return FS.createObject(parent, name, properties, canRead, canWrite);
},createDataFile:function (parent, name, data, canRead, canWrite) {
if (typeof data === 'string') {
var dataArray = new Array(data.length);
for (var i = 0, len = data.length; i < len; ++i) dataArray[i] = data.charCodeAt(i);
data = dataArray;
}
var properties = {
isDevice: false,
contents: data.subarray ? data.subarray(0) : data // as an optimization, create a new array wrapper (not buffer) here, to help JS engines understand this object
};
return FS.createFile(parent, name, properties, canRead, canWrite);
},createLazyFile:function (parent, name, url, canRead, canWrite) {
if (typeof XMLHttpRequest !== 'undefined') {
if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
// Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
var LazyUint8Array = function(chunkSize, length) {
this.length = length;
this.chunkSize = chunkSize;
this.chunks = []; // Loaded chunks. Index is the chunk number
}
LazyUint8Array.prototype.get = function(idx) {
if (idx > this.length-1 || idx < 0) {
return undefined;
}
var chunkOffset = idx % chunkSize;
var chunkNum = Math.floor(idx / chunkSize);
return this.getter(chunkNum)[chunkOffset];
}
LazyUint8Array.prototype.setDataGetter = function(getter) {
this.getter = getter;
}
// 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 = new LazyUint8Array(chunkSize, datalength);
lazyArray.setDataGetter(function(chunkNum) {
var start = chunkNum * lazyArray.chunkSize;
var end = (chunkNum+1) * lazyArray.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];
});
var properties = { isDevice: false, contents: lazyArray };
} else {
var properties = { isDevice: false, url: url };
}
return FS.createFile(parent, name, properties, canRead, canWrite);
},createPreloadedFile:function (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile) {
Browser.init();
var fullname = FS.joinPath([parent, name], true);
function processData(byteArray) {
function finish(byteArray) {
if (!dontCreateFile) {
FS.createDataFile(parent, name, byteArray, canRead, canWrite);
}
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);
}
},createLink:function (parent, name, target, canRead, canWrite) {
var properties = {isDevice: false, link: target};
return FS.createFile(parent, name, properties, canRead, canWrite);
},createDevice:function (parent, name, input, output) {
if (!(input || output)) {
throw new Error('A device must have at least one callback defined.');
}
var ops = {isDevice: true, input: input, output: output};
return FS.createFile(parent, name, ops, Boolean(input), Boolean(output));
},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;
},ensureRoot:function () {
if (FS.root) return;
// The main file system tree. All the contents are inside this.
FS.root = {
read: true,
write: true,
isFolder: true,
isDevice: false,
timestamp: Date.now(),
inodeNumber: 1,
contents: {}
};
},init:function (input, output, error) {
// Make sure we initialize only once.
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.ensureRoot();
// Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
input = input || Module['stdin'];
output = output || Module['stdout'];
error = error || Module['stderr'];
// Default handlers.
var stdinOverridden = true, stdoutOverridden = true, stderrOverridden = true;
if (!input) {
stdinOverridden = false;
input = function() {
if (!input.cache || !input.cache.length) {
var result;
if (typeof window != 'undefined' &&
typeof window.prompt == 'function') {
// Browser.
result = window.prompt('Input: ');
if (result === null) result = String.fromCharCode(0); // cancel ==> EOF
} else if (typeof readline == 'function') {
// Command line.
result = readline();
}
if (!result) result = '';
input.cache = intArrayFromString(result + '\n', true);
}
return input.cache.shift();
};
}
var utf8 = new Runtime.UTF8Processor();
function simpleOutput(val) {
if (val === null || val === 10) {
output.printer(output.buffer.join(''));
output.buffer = [];
} else {
output.buffer.push(utf8.processCChar(val));
}
}
if (!output) {
stdoutOverridden = false;
output = simpleOutput;
}
if (!output.printer) output.printer = Module['print'];
if (!output.buffer) output.buffer = [];
if (!error) {
stderrOverridden = false;
error = simpleOutput;
}
if (!error.printer) error.printer = Module['print'];
if (!error.buffer) error.buffer = [];
// Create the temporary folder, if not already created
try {
FS.createFolder('/', 'tmp', true, true);
} catch(e) {}
// Create the I/O devices.
var devFolder = FS.createFolder('/', 'dev', true, true);
var stdin = FS.createDevice(devFolder, 'stdin', input);
var stdout = FS.createDevice(devFolder, 'stdout', null, output);
var stderr = FS.createDevice(devFolder, 'stderr', null, error);
FS.createDevice(devFolder, 'tty', input, output);
// Create default streams.
FS.streams[1] = {
path: '/dev/stdin',
object: stdin,
position: 0,
isRead: true,
isWrite: false,
isAppend: false,
isTerminal: !stdinOverridden,
error: false,
eof: false,
ungotten: []
};
FS.streams[2] = {
path: '/dev/stdout',
object: stdout,
position: 0,
isRead: false,
isWrite: true,
isAppend: false,
isTerminal: !stdoutOverridden,
error: false,
eof: false,
ungotten: []
};
FS.streams[3] = {
path: '/dev/stderr',
object: stderr,
position: 0,
isRead: false,
isWrite: true,
isAppend: false,
isTerminal: !stderrOverridden,
error: false,
eof: false,
ungotten: []
};
assert(Math.max(_stdin, _stdout, _stderr) < 128); // make sure these are low, we flatten arrays with these
HEAP32[((_stdin)>>2)]=1;
HEAP32[((_stdout)>>2)]=2;
HEAP32[((_stderr)>>2)]=3;
// Other system paths
FS.createPath('/', 'dev/shm/tmp', true, true); // temp files
// Newlib initialization
for (var i = FS.streams.length; i < Math.max(_stdin, _stdout, _stderr) + 4; i++) {
FS.streams[i] = null; // Make sure to keep FS.streams dense
}
FS.streams[_stdin] = FS.streams[1];
FS.streams[_stdout] = FS.streams[2];
FS.streams[_stderr] = FS.streams[3];
FS.checkStreams();
assert(FS.streams.length < 1024); // at this early stage, we should not have a large set of file descriptors - just a few
allocate([ allocate(
[0, 0, 0, 0, _stdin, 0, 0, 0, _stdout, 0, 0, 0, _stderr, 0, 0, 0],
'void*', ALLOC_STATIC) ], 'void*', ALLOC_NONE, __impure_ptr);
},quit:function () {
if (!FS.init.initialized) return;
// Flush any partially-printed lines in stdout and stderr. Careful, they may have been closed
if (FS.streams[2] && FS.streams[2].object.output.buffer.length > 0) FS.streams[2].object.output(10);
if (FS.streams[3] && FS.streams[3].object.output.buffer.length > 0) FS.streams[3].object.output(10);
},standardizePath:function (path) {
if (path.substr(0, 2) == './') path = path.substr(2);
return path;
},deleteFile:function (path) {
path = FS.analyzePath(path);
if (!path.parentExists || !path.exists) {
throw 'Invalid path ' + path;
}
delete path.parentObject.contents[path.name];
}};
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.streams[fildes];
if (!stream || stream.object.isDevice) {
___setErrNo(ERRNO_CODES.EBADF);
return -1;
} else if (!stream.isWrite) {
___setErrNo(ERRNO_CODES.EACCES);
return -1;
} else if (stream.object.isFolder) {
___setErrNo(ERRNO_CODES.EISDIR);
return -1;
} else if (nbyte < 0 || offset < 0) {
___setErrNo(ERRNO_CODES.EINVAL);
return -1;
} else {
var contents = stream.object.contents;
while (contents.length < offset) contents.push(0);
for (var i = 0; i < nbyte; i++) {
contents[offset + i] = HEAPU8[(((buf)+(i))|0)];
}
stream.object.timestamp = Date.now();
return i;
}
}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.streams[fildes];
if (!stream) {
___setErrNo(ERRNO_CODES.EBADF);
return -1;
} else if (!stream.isWrite) {
___setErrNo(ERRNO_CODES.EACCES);
return -1;
} else if (nbyte < 0) {
___setErrNo(ERRNO_CODES.EINVAL);
return -1;
} else {
if (stream.object.isDevice) {
if (stream.object.output) {
for (var i = 0; i < nbyte; i++) {
try {
stream.object.output(HEAP8[(((buf)+(i))|0)]);
} catch (e) {
___setErrNo(ERRNO_CODES.EIO);
return -1;
}
}
stream.object.timestamp = Date.now();
return i;
} else {
___setErrNo(ERRNO_CODES.ENXIO);
return -1;
}
} else {
var bytesWritten = _pwrite(fildes, buf, nbyte, stream.position);
if (bytesWritten != -1) stream.position += bytesWritten;
return bytesWritten;
}
}
}
function _strlen(ptr) {
ptr = ptr|0;
var curr = 0;
curr = ptr;
while (HEAP8[(curr)]|0 != 0) {
curr = (curr + 1)|0;
}
return (curr - ptr)|0;
}function _fputs(s, stream) {
// int fputs(const char *restrict s, FILE *restrict stream);
// http://pubs.opengroup.org/onlinepubs/000095399/functions/fputs.html
return _write(stream, s, _strlen(s));
}
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 ret = _write(stream, _fputc.ret, 1);
if (ret == -1) {
if (FS.streams[stream]) FS.streams[stream].error = true;
return -1;
} else {
return chr;
}
}function _puts(s) {
// int puts(const char *s);
// http://pubs.opengroup.org/onlinepubs/000095399/functions/puts.html
// NOTE: puts() always writes an extra newline.
var stdout = HEAP32[((_stdout)>>2)];
var ret = _fputs(s, stdout);
if (ret < 0) {
return ret;
} else {
var newlineRet = _fputc(10, stdout);
return (newlineRet < 0) ? -1 : ret + 1;
}
}
function _memcpy(dest, src, num) {
dest = dest|0; src = src|0; num = num|0;
var ret = 0;
ret = dest|0;
if ((dest&3) == (src&3)) {
while (dest & 3) {
if ((num|0) == 0) return ret|0;
HEAP8[(dest)]=HEAP8[(src)];
dest = (dest+1)|0;
src = (src+1)|0;
num = (num-1)|0;
}
while ((num|0) >= 4) {
HEAP32[((dest)>>2)]=HEAP32[((src)>>2)];
dest = (dest+4)|0;
src = (src+4)|0;
num = (num-4)|0;
}
}
while ((num|0) > 0) {
HEAP8[(dest)]=HEAP8[(src)];
dest = (dest+1)|0;
src = (src+1)|0;
num = (num-1)|0;
}
return ret|0;
}
function _memset(ptr, value, num) {
ptr = ptr|0; value = value|0; num = num|0;
var stop = 0, value4 = 0, stop4 = 0, unaligned = 0;
stop = (ptr + num)|0;
if ((num|0) >= 20) {
// This is unaligned, but quite large, so work hard to get to aligned settings
value = value & 0xff;
unaligned = ptr & 3;
value4 = value | (value << 8) | (value << 16) | (value << 24);
stop4 = stop & ~3;
if (unaligned) {
unaligned = (ptr + 4 - unaligned)|0;
while ((ptr|0) < (unaligned|0)) { // no need to check for stop, since we have large num
HEAP8[(ptr)]=value;
ptr = (ptr+1)|0;
}
}
while ((ptr|0) < (stop4|0)) {
HEAP32[((ptr)>>2)]=value4;
ptr = (ptr+4)|0;
}
}
while ((ptr|0) < (stop|0)) {
HEAP8[(ptr)]=value;
ptr = (ptr+1)|0;
}
}
function _malloc(bytes) {
/* Over-allocate to make sure it is byte-aligned by 8.
* This will leak memory, but this is only the dummy
* implementation (replaced by dlmalloc normally) so
* not an issue.
*/
var ptr = Runtime.staticAlloc(bytes + 8);
return (ptr+8) & 0xFFFFFFF8;
}
function _free(){}
var Browser={mainLoop:{scheduler:null,shouldPause:false,paused:false,queue:[],pause:function () {
Browser.mainLoop.shouldPause = true;
},resume:function () {
if (Browser.mainLoop.paused) {
Browser.mainLoop.paused = false;
Browser.mainLoop.scheduler();
}
Browser.mainLoop.shouldPause = false;
},updateStatus:function () {
if (Module['setStatus']) {
var message = Module['statusMessage'] || 'Please wait...';
var remaining = Browser.mainLoop.remainingBlockers;
var expected = Browser.mainLoop.expectedBlockers;
if (remaining) {
if (remaining < expected) {
Module['setStatus'](message + ' (' + (expected - remaining) + '/' + expected + ')');
} else {
Module['setStatus'](message);
}
} else {
Module['setStatus']('');
}
}
}},isFullScreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function () {
if (Browser.initted) 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) : console.log("warning: cannot create object URLs");
// 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.).
function getMimetype(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)];
}
if (!Module["preloadPlugins"]) Module["preloadPlugins"] = [];
var imagePlugin = {};
imagePlugin['canHandle'] = function(name) {
return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/.exec(name);
};
imagePlugin['handle'] = function(byteArray, name, onload, onerror) {
var b = null;
if (Browser.hasBlobConstructor) {
try {
b = new Blob([byteArray], { type: 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);
assert(typeof url == 'string', 'createObjectURL must return a url as a string');
var img = new Image();
img.onload = function() {
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(event) {
console.log('Image ' + url + ' could not be decoded');
if (onerror) onerror();
};
img.src = url;
};
Module['preloadPlugins'].push(imagePlugin);
var audioPlugin = {};
audioPlugin['canHandle'] = function(name) {
return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 };
};
audioPlugin['handle'] = function(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: getMimetype(name) });
} catch(e) {
return fail();
}
var url = Browser.URLObject.createObjectURL(b); // XXX we never revoke this!
assert(typeof url == 'string', 'createObjectURL must return a url as a string');
var audio = new Audio();
audio.addEventListener('canplaythrough', function() { finish(audio) }, false); // use addEventListener due to chromium bug 124926
audio.onerror = function(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
setTimeout(function() {
finish(audio); // try to use it even though it is not necessarily ready to play
}, 10000);
} else {
return fail();
}
};
Module['preloadPlugins'].push(audioPlugin);
// Canvas event setup
var canvas = Module['canvas'];
canvas.requestPointerLock = canvas['requestPointerLock'] ||
canvas['mozRequestPointerLock'] ||
canvas['webkitRequestPointerLock'];
canvas.exitPointerLock = document['exitPointerLock'] ||
document['mozExitPointerLock'] ||
document['webkitExitPointerLock'];
canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
function pointerLockChange() {
Browser.pointerLock = document['pointerLockElement'] === canvas ||
document['mozPointerLockElement'] === canvas ||
document['webkitPointerLockElement'] === canvas;
}
document.addEventListener('pointerlockchange', pointerLockChange, false);
document.addEventListener('mozpointerlockchange', pointerLockChange, false);
document.addEventListener('webkitpointerlockchange', pointerLockChange, false);
if (Module['elementPointerLock']) {
canvas.addEventListener("click", function(ev) {
if (!Browser.pointerLock && canvas.requestPointerLock) {
canvas.requestPointerLock();
ev.preventDefault();
}
}, false);
}
},createContext:function (canvas, useWebGL, setInModule) {
var ctx;
try {
if (useWebGL) {
ctx = canvas.getContext('experimental-webgl', {
alpha: false
});
} else {
ctx = canvas.getContext('2d');
}
if (!ctx) throw ':(';
} catch (e) {
Module.print('Could not create canvas - ' + e);
return null;
}
if (useWebGL) {
// Set the background of the WebGL canvas to black
canvas.style.backgroundColor = "black";
// Warn on context loss
canvas.addEventListener('webglcontextlost', function(event) {
alert('WebGL context lost. You will need to reload the page.');
}, false);
}
if (setInModule) {
Module.ctx = ctx;
Module.useWebGL = useWebGL;
Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() });
Browser.init();
}
return ctx;
},destroyContext:function (canvas, useWebGL, setInModule) {},fullScreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullScreen:function (lockPointer, resizeCanvas) {
this.lockPointer = lockPointer;
this.resizeCanvas = resizeCanvas;
if (typeof this.lockPointer === 'undefined') this.lockPointer = true;
if (typeof this.resizeCanvas === 'undefined') this.resizeCanvas = false;
var canvas = Module['canvas'];
function fullScreenChange() {
Browser.isFullScreen = false;
if ((document['webkitFullScreenElement'] || document['webkitFullscreenElement'] ||
document['mozFullScreenElement'] || document['mozFullscreenElement'] ||
document['fullScreenElement'] || document['fullscreenElement']) === canvas) {
canvas.cancelFullScreen = document['cancelFullScreen'] ||
document['mozCancelFullScreen'] ||
document['webkitCancelFullScreen'];
canvas.cancelFullScreen = canvas.cancelFullScreen.bind(document);
if (Browser.lockPointer) canvas.requestPointerLock();
Browser.isFullScreen = true;
if (Browser.resizeCanvas) Browser.setFullScreenCanvasSize();
} else if (Browser.resizeCanvas){
Browser.setWindowedCanvasSize();
}
if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullScreen);
}
if (!this.fullScreenHandlersInstalled) {
this.fullScreenHandlersInstalled = true;
document.addEventListener('fullscreenchange', fullScreenChange, false);
document.addEventListener('mozfullscreenchange', fullScreenChange, false);
document.addEventListener('webkitfullscreenchange', fullScreenChange, false);
}
canvas.requestFullScreen = canvas['requestFullScreen'] ||
canvas['mozRequestFullScreen'] ||
(canvas['webkitRequestFullScreen'] ? function() { canvas['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null);
canvas.requestFullScreen();
},requestAnimationFrame:function (func) {
if (!window.requestAnimationFrame) {
window.requestAnimationFrame = window['requestAnimationFrame'] ||
window['mozRequestAnimationFrame'] ||
window['webkitRequestAnimationFrame'] ||
window['msRequestAnimationFrame'] ||
window['oRequestAnimationFrame'] ||
window['setTimeout'];
}
window.requestAnimationFrame(func);
},getMovementX:function (event) {
return event['movementX'] ||
event['mozMovementX'] ||
event['webkitMovementX'] ||
0;
},getMovementY:function (event) {
return event['movementY'] ||
event['mozMovementY'] ||
event['webkitMovementY'] ||
0;
},xhrLoad:function (url, onload, onerror) {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'arraybuffer';
xhr.onload = function() {
if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
onload(xhr.response);
} else {
onerror();
}
};
xhr.onerror = onerror;
xhr.send(null);
},asyncLoad:function (url, onload, onerror, noRunDep) {
Browser.xhrLoad(url, function(arrayBuffer) {
assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
onload(new Uint8Array(arrayBuffer));
if (!noRunDep) removeRunDependency('al ' + url);
}, function(event) {
if (onerror) {
onerror();
} else {
throw 'Loading data file "' + url + '" failed.';
}
});
if (!noRunDep) addRunDependency('al ' + url);
},resizeListeners:[],updateResizeListeners:function () {
var canvas = Module['canvas'];
Browser.resizeListeners.forEach(function(listener) {
listener(canvas.width, canvas.height);
});
},setCanvasSize:function (width, height, noUpdates) {
var canvas = Module['canvas'];
canvas.width = width;
canvas.height = height;
if (!noUpdates) Browser.updateResizeListeners();
},windowedWidth:0,windowedHeight:0,setFullScreenCanvasSize:function () {
var canvas = Module['canvas'];
this.windowedWidth = canvas.width;
this.windowedHeight = canvas.height;
canvas.width = screen.width;
canvas.height = screen.height;
var flags = HEAPU32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)];
flags = flags | 0x00800000; // set SDL_FULLSCREEN flag
HEAP32[((SDL.screen+Runtime.QUANTUM_SIZE*0)>>2)]=flags
Browser.updateResizeListeners();
},setWindowedCanvasSize:function () {
var canvas = Module['canvas'];
canvas.width = this.windowedWidth;
canvas.height = this.windowedHeight;
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();
}};
__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;
___setErrNo(0);
_fputc.ret = allocate([0], "i8", ALLOC_STATIC);
Module["requestFullScreen"] = function(lockPointer, resizeCanvas) { Browser.requestFullScreen(lockPointer, resizeCanvas) };
Module["requestAnimationFrame"] = function(func) { Browser.requestAnimationFrame(func) };
Module["pauseMainLoop"] = function() { Browser.mainLoop.pause() };
Module["resumeMainLoop"] = function() { Browser.mainLoop.resume() };
var FUNCTION_TABLE = [0, 0];
// EMSCRIPTEN_START_FUNCS
function _main() {
var label = 0;
var $1;
$1=0;
var $2=_puts(((5242880)|0));
return 0;
}
Module["_main"] = _main;
// EMSCRIPTEN_END_FUNCS
// EMSCRIPTEN_END_FUNCS
// 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 ===
Module.callMain = function callMain(args) {
assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on __ATMAIN__)');
assert(!Module['preRun'] || Module['preRun'].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_STATIC) ];
pad();
for (var i = 0; i < argc-1; i = i + 1) {
argv.push(allocate(intArrayFromString(args[i]), 'i8', ALLOC_STATIC));
pad();
}
argv.push(0);
argv = allocate(argv, 'i32', ALLOC_STATIC);
var ret;
var initialStackTop = STACKTOP;
try {
ret = Module['_main'](argc, argv, 0);
}
catch(e) {
if (e.name == 'ExitStatus') {
return e.status;
} else if (e == 'SimulateInfiniteLoop') {
Module['noExitRuntime'] = true;
} else {
throw e;
}
} finally {
STACKTOP = initialStackTop;
}
return ret;
}
function run(args) {
args = args || Module['arguments'];
if (runDependencies > 0) {
Module.printErr('run() called, but dependencies remain, so not running');
return 0;
}
if (Module['preRun']) {
if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
var toRun = Module['preRun'];
Module['preRun'] = [];
for (var i = toRun.length-1; i >= 0; i--) {
toRun[i]();
}
if (runDependencies > 0) {
// a preRun added a dependency, run will be called later
return 0;
}
}
function doRun() {
ensureInitRuntime();
preMain();
var ret = 0;
calledRun = true;
if (Module['_main'] && shouldRunNow) {
ret = Module.callMain(args);
if (!Module['noExitRuntime']) {
exitRuntime();
}
}
if (Module['postRun']) {
if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
while (Module['postRun'].length > 0) {
Module['postRun'].pop()();
}
}
return ret;
}
if (Module['setStatus']) {
Module['setStatus']('Running...');
setTimeout(function() {
setTimeout(function() {
Module['setStatus']('');
}, 1);
doRun();
}, 1);
return 0;
} else {
return doRun();
}
}
Module['run'] = Module.run = run;
// {{PRE_RUN_ADDITIONS}}
if (Module['preInit']) {
if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
while (Module['preInit'].length > 0) {
Module['preInit'].pop()();
}
}
// shouldRunNow refers to calling main(), not run().
var shouldRunNow = true;
if (Module['noInitialRun']) {
shouldRunNow = false;
}
run();
// {{POST_RUN_ADDITIONS}}
// {{MODULE_ADDITIONS}}
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