diff options
Diffstat (limited to 'deps/v8/test/mjsunit/wasm/embenchen/copy.js')
| -rw-r--r-- | deps/v8/test/mjsunit/wasm/embenchen/copy.js | 5979 |
1 files changed, 5979 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/wasm/embenchen/copy.js b/deps/v8/test/mjsunit/wasm/embenchen/copy.js new file mode 100644 index 0000000000..70609aa242 --- /dev/null +++ b/deps/v8/test/mjsunit/wasm/embenchen/copy.js @@ -0,0 +1,5979 @@ +// Modified embenchen to direct to asm-wasm. +// Flags: --expose-wasm + +var EXPECTED_OUTPUT = 'sum:8930\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(27); +/* global initializers */ __ATINIT__.push(); + + +/* memory initializer */ allocate([101,114,114,111,114,58,32,37,100,92,110,0,0,0,0,0,115,117,109,58,37,100,10,0], "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]; + +} + + + 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.dynamicAlloc(bytes + 8); + return (ptr+8) & 0xFFFFFFF8; + } + Module["_malloc"] = _malloc; + + + + + 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 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; + }};var PATH={splitPath:function (filename) { + var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; + return splitPathRe.exec(filename).slice(1); + },normalizeArray:function (parts, allowAboveRoot) { + // if the path tries to go above the root, `up` ends up > 0 + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === '.') { + parts.splice(i, 1); + } else if (last === '..') { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + // if the path is allowed to go above the root, restore leading ..s + if (allowAboveRoot) { + for (; up--; up) { + parts.unshift('..'); + } + } + return parts; + },normalize:function (path) { + var isAbsolute = path.charAt(0) === '/', + trailingSlash = path.substr(-1) === '/'; + // Normalize the path + path = PATH.normalizeArray(path.split('/').filter(function(p) { + return !!p; + }), !isAbsolute).join('/'); + if (!path && !isAbsolute) { + path = '.'; + } + if (path && trailingSlash) { + path += '/'; + } + return (isAbsolute ? '/' : '') + path; + },dirname:function (path) { + var result = PATH.splitPath(path), + root = result[0], + dir = result[1]; + if (!root && !dir) { + // No dirname whatsoever + return '.'; + } + if (dir) { + // It has a dirname, strip trailing slash + dir = dir.substr(0, dir.length - 1); + } + return root + dir; + },basename:function (path) { + // EMSCRIPTEN return '/'' for '/', not an empty string + if (path === '/') return '/'; + var lastSlash = path.lastIndexOf('/'); + if (lastSlash === -1) return path; + return path.substr(lastSlash+1); + },extname:function (path) { + return PATH.splitPath(path)[3]; + },join:function () { + var paths = Array.prototype.slice.call(arguments, 0); + return PATH.normalize(paths.join('/')); + },join2:function (l, r) { + return PATH.normalize(l + '/' + r); + },resolve:function () { + var resolvedPath = '', + resolvedAbsolute = false; + for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { + var path = (i >= 0) ? arguments[i] : FS.cwd(); + // Skip empty and invalid entries + if (typeof path !== 'string') { + throw new TypeError('Arguments to path.resolve must be strings'); + } else if (!path) { + continue; + } + resolvedPath = path + '/' + resolvedPath; + resolvedAbsolute = path.charAt(0) === '/'; + } + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when process.cwd() fails) + resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) { + return !!p; + }), !resolvedAbsolute).join('/'); + return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; + },relative:function (from, to) { + from = PATH.resolve(from).substr(1); + to = PATH.resolve(to).substr(1); + function trim(arr) { + var start = 0; + for (; start < arr.length; start++) { + if (arr[start] !== '') break; + } + var end = arr.length - 1; + for (; end >= 0; end--) { + if (arr[end] !== '') break; + } + if (start > end) return []; + return arr.slice(start, end - start + 1); + } + var fromParts = trim(from.split('/')); + var toParts = trim(to.split('/')); + var length = Math.min(fromParts.length, toParts.length); + var samePartsLength = length; + for (var i = 0; i < length; i++) { + if (fromParts[i] !== toParts[i]) { + samePartsLength = i; + break; + } + } + var outputParts = []; + for (var i = samePartsLength; i < fromParts.length; i++) { + outputParts.push('..'); + } + outputParts = outputParts.concat(toParts.slice(samePartsLength)); + return outputParts.join('/'); + }};var Browser={mainLoop:{scheduler:null,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 _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); + } + + + Module["_memset"] = _memset; + + + + function _emscripten_memcpy_big(dest, src, num) { + HEAPU8.set(HEAPU8.subarray(src, src+num), dest); + return dest; + } + Module["_memcpy"] = _memcpy; + + function _free() { + } + Module["_free"] = _free; +Module["requestFullScreen"] = function Module_requestFullScreen(lockPointer, resizeCanvas) { Browser.requestFullScreen(lockPointer, resizeCanvas) }; + Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) { Browser.requestAnimationFrame(func) }; + Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) }; + Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.pause() }; + Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop.resume() }; + Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia() } +FS.staticInit();__ATINIT__.unshift({ func: function() { if (!Module["noFSInit"] && !FS.init.initialized) FS.init() } });__ATMAIN__.push({ func: function() { FS.ignorePermissions = false } });__ATEXIT__.push({ func: function() { FS.quit() } });Module["FS_createFolder"] = FS.createFolder;Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createLink"] = FS.createLink;Module["FS_createDevice"] = FS.createDevice; +___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); } }); +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 = Wasm.instantiateModuleFromAsm((function Module(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 _free=env._free; + var _emscripten_memcpy_big=env._emscripten_memcpy_big; + var _printf=env._printf; + var _send=env._send; + var _pwrite=env._pwrite; + var __reallyNegative=env.__reallyNegative; + var _fwrite=env._fwrite; + var _malloc=env._malloc; + var _mkport=env._mkport; + var _fprintf=env._fprintf; + var ___setErrNo=env.___setErrNo; + var __formatString=env.__formatString; + var _fileno=env._fileno; + var _fflush=env._fflush; + var _write=env._write; + var tempFloat = 0.0; + +// EMSCRIPTEN_START_FUNCS +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, i12 = 0, i13 = 0, i14 = 0, i15 = 0, i16 = 0, i17 = 0, i18 = 0, i19 = 0; + i1 = STACKTOP; + STACKTOP = STACKTOP + 16 | 0; + i2 = i1; + L1 : do { + if ((i3 | 0) > 1) { + i3 = HEAP8[HEAP32[i5 + 4 >> 2] | 0] | 0; + switch (i3 | 0) { + case 50: + { + i3 = 625; + break L1; + } + case 51: + { + i4 = 4; + break L1; + } + case 52: + { + i3 = 6250; + break L1; + } + case 53: + { + i3 = 12500; + break L1; + } + case 49: + { + i3 = 75; + break L1; + } + case 48: + { + i12 = 0; + STACKTOP = i1; + return i12 | 0; + } + default: + { + HEAP32[i2 >> 2] = i3 + -48; + _printf(8, i2 | 0) | 0; + i12 = -1; + STACKTOP = i1; + return i12 | 0; + } + } + } else { + i4 = 4; + } + } while (0); + if ((i4 | 0) == 4) { + i3 = 1250; + } + i4 = 0; + i12 = 0; + do { + i9 = (i4 | 0) % 10 | 0; + i5 = i9 + i4 | 0; + i6 = (i4 | 0) % 255 | 0; + i8 = (i4 | 0) % 15 | 0; + i10 = ((i4 | 0) % 120 | 0 | 0) % 1024 | 0; + i11 = ((i4 | 0) % 1024 | 0) + i4 | 0; + i5 = ((i5 | 0) % 1024 | 0) + i5 | 0; + i8 = ((i8 | 0) % 1024 | 0) + i8 | 0; + i6 = (((i6 | 0) % 1024 | 0) + i6 + i10 | 0) % 1024 | 0; + i7 = 0; + do { + i17 = i7 << 1; + i14 = (i7 | 0) % 120 | 0; + i18 = (i17 | 0) % 1024 | 0; + i19 = (i9 + i7 | 0) % 1024 | 0; + i16 = ((i7 | 0) % 255 | 0 | 0) % 1024 | 0; + i15 = (i7 | 0) % 1024 | 0; + i13 = ((i7 | 0) % 15 | 0 | 0) % 1024 | 0; + i12 = (((i19 + i18 + i16 + i10 + i15 + i13 + ((i11 + i19 | 0) % 1024 | 0) + ((i5 + i18 | 0) % 1024 | 0) + ((i18 + i17 + i16 | 0) % 1024 | 0) + i6 + ((i8 + i15 | 0) % 1024 | 0) + ((((i14 | 0) % 1024 | 0) + i14 + i13 | 0) % 1024 | 0) | 0) % 100 | 0) + i12 | 0) % 10240 | 0; + i7 = i7 + 1 | 0; + } while ((i7 | 0) != 5e4); + i4 = i4 + 1 | 0; + } while ((i4 | 0) < (i3 | 0)); + HEAP32[i2 >> 2] = i12; + _printf(24, i2 | 0) | 0; + i19 = 0; + STACKTOP = i1; + return i19 | 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, _memcpy: _memcpy, _main: _main, _memset: _memset, 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 }; +}).toString(), +// 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, "_free": _free, "_emscripten_memcpy_big": _emscripten_memcpy_big, "_printf": _printf, "_send": _send, "_pwrite": _pwrite, "__reallyNegative": __reallyNegative, "_fwrite": _fwrite, "_malloc": _malloc, "_mkport": _mkport, "_fprintf": _fprintf, "___setErrNo": ___setErrNo, "__formatString": __formatString, "_fileno": _fileno, "_fflush": _fflush, "_write": _write, "STACKTOP": STACKTOP, "STACK_MAX": STACK_MAX, "tempDoublePtr": tempDoublePtr, "ABORT": ABORT, "NaN": NaN, "Infinity": Infinity }, buffer); +var _strlen = Module["_strlen"] = asm["_strlen"]; +var _memcpy = Module["_memcpy"] = asm["_memcpy"]; +var _main = Module["_main"] = asm["_main"]; +var _memset = Module["_memset"] = asm["_memset"]; +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"])); |