raylib HTML5 GAME

From 0aa3b9540195a446dbb3c9a81158adeb5b1eaa88 Mon Sep 17 00:00:00 2001 From: Ray Date: Tue, 14 May 2019 11:41:56 +0200 Subject: Remove test game --- games/jurista.data | Bin 4523473 -> 0 bytes games/jurista.html | 259 - games/jurista.js | 13960 --------------------------------------------------- games/jurista.wasm | Bin 391840 -> 0 bytes 4 files changed, 14219 deletions(-) delete mode 100644 games/jurista.data delete mode 100644 games/jurista.html delete mode 100644 games/jurista.js delete mode 100644 games/jurista.wasm diff --git a/games/jurista.data b/games/jurista.data deleted file mode 100644 index a76afa4..0000000 Binary files a/games/jurista.data and /dev/null differ diff --git a/games/jurista.html b/games/jurista.html deleted file mode 100644 index 75e554f..0000000 --- a/games/jurista.html +++ /dev/null @@ -1,259 +0,0 @@ - - - - - - - raylib HTML5 GAME - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

- - -

Downloading...

- - - - - -

- -

- - - - - - - - - - diff --git a/games/jurista.js b/games/jurista.js deleted file mode 100644 index b67fb9b..0000000 --- a/games/jurista.js +++ /dev/null @@ -1,13960 +0,0 @@ -// Copyright 2010 The Emscripten Authors. All rights reserved. -// Emscripten is available under two separate licenses, the MIT license and the -// University of Illinois/NCSA Open Source License. Both these licenses can be -// found in the LICENSE file. - -// The Module object: Our interface to the outside world. We import -// and export values on it. 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 check if Module already exists (e.g. case 3 above). -// Substitution will be replaced with actual code on later stage of the build, -// this way Closure Compiler will not mangle it (e.g. case 4. 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 = typeof Module !== 'undefined' ? Module : {}; - -// --pre-jses are emitted after the Module integration code, so that they can -// refer to Module (if they choose; they can also define Module) - -if (!Module.expectedDataFileDownloads) { - Module.expectedDataFileDownloads = 0; - Module.finishedDataFileDownloads = 0; -} -Module.expectedDataFileDownloads++; -(function() { - var loadPackage = function(metadata) { - - var PACKAGE_PATH; - if (typeof window === 'object') { - PACKAGE_PATH = window['encodeURIComponent'](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf('/')) + '/'); - } else if (typeof location !== 'undefined') { - // worker - PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf('/')) + '/'); - } else { - throw 'using preloaded data can only be done on a web page or in a web worker'; - } - var PACKAGE_NAME = 'jurista.data'; - var REMOTE_PACKAGE_BASE = 'jurista.data'; - if (typeof Module['locateFilePackage'] === 'function' && !Module['locateFile']) { - Module['locateFile'] = Module['locateFilePackage']; - err('warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)'); - } - var REMOTE_PACKAGE_NAME = Module['locateFile'] ? Module['locateFile'](REMOTE_PACKAGE_BASE, '') : REMOTE_PACKAGE_BASE; - - var REMOTE_PACKAGE_SIZE = metadata.remote_package_size; - var PACKAGE_UUID = metadata.package_uuid; - - function fetchRemotePackage(packageName, packageSize, callback, errback) { - var xhr = new XMLHttpRequest(); - xhr.open('GET', packageName, true); - xhr.responseType = 'arraybuffer'; - xhr.onprogress = function(event) { - var url = packageName; - var size = packageSize; - if (event.total) size = event.total; - if (event.loaded) { - if (!xhr.addedTotal) { - xhr.addedTotal = true; - if (!Module.dataFileDownloads) Module.dataFileDownloads = {}; - Module.dataFileDownloads[url] = { - loaded: event.loaded, - total: size - }; - } else { - Module.dataFileDownloads[url].loaded = event.loaded; - } - var total = 0; - var loaded = 0; - var num = 0; - for (var download in Module.dataFileDownloads) { - var data = Module.dataFileDownloads[download]; - total += data.total; - loaded += data.loaded; - num++; - } - total = Math.ceil(total * Module.expectedDataFileDownloads/num); - if (Module['setStatus']) Module['setStatus']('Downloading data... (' + loaded + '/' + total + ')'); - } else if (!Module.dataFileDownloads) { - if (Module['setStatus']) Module['setStatus']('Downloading data...'); - } - }; - xhr.onerror = function(event) { - throw new Error("NetworkError for: " + packageName); - } - xhr.onload = function(event) { - if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 - var packageData = xhr.response; - callback(packageData); - } else { - throw new Error(xhr.statusText + " : " + xhr.responseURL); - } - }; - xhr.send(null); - }; - - function handleError(error) { - console.error('package error:', error); - }; - - var fetchedCallback = null; - var fetched = Module['getPreloadedPackage'] ? Module['getPreloadedPackage'](REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE) : null; - - if (!fetched) fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, function(data) { - if (fetchedCallback) { - fetchedCallback(data); - fetchedCallback = null; - } else { - fetched = data; - } - }, handleError); - - function runWithFS() { - - function assert(check, msg) { - if (!check) throw msg + new Error().stack; - } -Module['FS_createPath']('/', 'resources', true, true); -Module['FS_createPath']('/resources', 'audio', true, true); - - function DataRequest(start, end, audio) { - this.start = start; - this.end = end; - this.audio = audio; - } - DataRequest.prototype = { - requests: {}, - open: function(mode, name) { - this.name = name; - this.requests[name] = this; - Module['addRunDependency']('fp ' + this.name); - }, - send: function() {}, - onload: function() { - var byteArray = this.byteArray.subarray(this.start, this.end); - this.finish(byteArray); - }, - finish: function(byteArray) { - var that = this; - - Module['FS_createDataFile'](this.name, null, byteArray, true, true, true); // canOwn this data in the filesystem, it is a slide into the heap that will never change - Module['removeRunDependency']('fp ' + that.name); - - this.requests[this.name] = null; - } - }; - - var files = metadata.files; - for (var i = 0; i < files.length; ++i) { - new DataRequest(files[i].start, files[i].end, files[i].audio).open('GET', files[i].filename); - } - - - function processPackageData(arrayBuffer) { - Module.finishedDataFileDownloads++; - assert(arrayBuffer, 'Loading data file failed.'); - assert(arrayBuffer instanceof ArrayBuffer, 'bad input to processPackageData'); - var byteArray = new Uint8Array(arrayBuffer); - var curr; - - // Reuse the bytearray from the XHR as the source for file reads. - DataRequest.prototype.byteArray = byteArray; - - var files = metadata.files; - for (var i = 0; i < files.length; ++i) { - DataRequest.prototype.requests[files[i].filename].onload(); - } - Module['removeRunDependency']('datafile_jurista.data'); - - }; - Module['addRunDependency']('datafile_jurista.data'); - - if (!Module.preloadResults) Module.preloadResults = {}; - - Module.preloadResults[PACKAGE_NAME] = {fromCache: false}; - if (fetched) { - processPackageData(fetched); - fetched = null; - } else { - fetchedCallback = processPackageData; - } - - } - if (Module['calledRun']) { - runWithFS(); - } else { - if (!Module['preRun']) Module['preRun'] = []; - Module["preRun"].push(runWithFS); // FS is not initialized yet, wait for it - } - - } - loadPackage({"files": [{"start": 0, "audio": 0, "end": 109416, "filename": "/resources/answers_back.png"}, {"start": 109416, "audio": 0, "end": 1152178, "filename": "/resources/background.png"}, {"start": 1152178, "audio": 0, "end": 1189423, "filename": "/resources/final_prize.png"}, {"start": 1189423, "audio": 0, "end": 1217311, "filename": "/resources/helper_fifty.png"}, {"start": 1217311, "audio": 0, "end": 1244672, "filename": "/resources/helper_people.png"}, {"start": 1244672, "audio": 0, "end": 1272514, "filename": "/resources/helper_phone.png"}, {"start": 1272514, "audio": 0, "end": 1294588, "filename": "/resources/keepcalm.fnt"}, {"start": 1294588, "audio": 0, "end": 1387312, "filename": "/resources/keepcalm.png"}, {"start": 1387312, "audio": 0, "end": 1387549, "filename": "/resources/qbar.png"}, {"start": 1387549, "audio": 0, "end": 1417721, "filename": "/resources/questions_back.png"}, {"start": 1417721, "audio": 0, "end": 1417960, "filename": "/resources/sbar.png"}, {"start": 1417960, "audio": 0, "end": 1422307, "filename": "/resources/slider_back.png"}, {"start": 1422307, "audio": 0, "end": 1422781, "filename": "/resources/slider_bar.png"}, {"start": 1422781, "audio": 0, "end": 1518528, "filename": "/resources/spinning_coin.png"}, {"start": 1518528, "audio": 0, "end": 1682737, "filename": "/resources/title_back.png"}, {"start": 1682737, "audio": 0, "end": 1703636, "filename": "/resources/title_menu_back.png"}, {"start": 1703636, "audio": 0, "end": 1783943, "filename": "/resources/title_pasta.png"}, {"start": 1783943, "audio": 0, "end": 1786299, "filename": "/resources/videogames.rqm"}, {"start": 1786299, "audio": 1, "end": 1900275, "filename": "/resources/audio/checking.mp3"}, {"start": 1900275, "audio": 1, "end": 1958662, "filename": "/resources/audio/fail.mp3"}, {"start": 1958662, "audio": 1, "end": 3501087, "filename": "/resources/audio/game.mp3"}, {"start": 3501087, "audio": 1, "end": 3588313, "filename": "/resources/audio/interludio.mp3"}, {"start": 3588313, "audio": 1, "end": 4276221, "filename": "/resources/audio/main.mp3"}, {"start": 4276221, "audio": 1, "end": 4481386, "filename": "/resources/audio/perfect.mp3"}, {"start": 4481386, "audio": 1, "end": 4523473, "filename": "/resources/audio/success.mp3"}], "remote_package_size": 4523473, "package_uuid": "40fcc8b9-5199-40a0-b856-52314e8fb8eb"}); - -})(); - - - -// Sometimes an existing Module object exists with properties -// meant to overwrite the default module functionality. 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(with Emscripten -s PROXY_TO_WORKER=1) (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false) -// 3) We could be an application pthread running in a worker. 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Otherwise, -// console.log is checked first, as 'print' on the web will open a print dialogue -// printErr is preferable to console.warn (works better in shells) -// bind(console) is necessary to fix IE/Edge closed dev tools panel behavior. -var out = Module['print'] || (typeof console !== 'undefined' ? console.log.bind(console) : (typeof print !== 'undefined' ? print : null)); -var err = Module['printErr'] || (typeof printErr !== 'undefined' ? printErr : ((typeof console !== 'undefined' && console.warn.bind(console)) || out)); - -// Merge back in the overrides -for (key in moduleOverrides) { - if (moduleOverrides.hasOwnProperty(key)) { - Module[key] = moduleOverrides[key]; - } -} -// Free the object hierarchy contained in the overrides, this lets the GC -// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array. -moduleOverrides = undefined; - -// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message - - - -// Copyright 2017 The Emscripten Authors. All rights reserved. -// Emscripten is available under two separate licenses, the MIT license and the -// University of Illinois/NCSA Open Source License. Both these licenses can be -// found in the LICENSE file. - -// {{PREAMBLE_ADDITIONS}} - -var STACK_ALIGN = 16; - - -function staticAlloc(size) { - var ret = STATICTOP; - STATICTOP = (STATICTOP + size + 15) & -16; - return ret; -} - -function dynamicAlloc(size) { - var ret = HEAP32[DYNAMICTOP_PTR>>2]; - var end = (ret + size + 15) & -16; - HEAP32[DYNAMICTOP_PTR>>2] = end; - if (end >= TOTAL_MEMORY) { - var success = enlargeMemory(); - if (!success) { - HEAP32[DYNAMICTOP_PTR>>2] = ret; - return 0; - } - } - return ret; -} - -function alignMemory(size, factor) { - if (!factor) factor = STACK_ALIGN; // stack alignment (16-byte) by default - var ret = size = Math.ceil(size / factor) * factor; - return ret; -} - -function getNativeTypeSize(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 4; // A pointer - } else if (type[0] === 'i') { - var bits = parseInt(type.substr(1)); - assert(bits % 8 === 0); - return bits / 8; - } else { - return 0; - } - } - } -} - -function warnOnce(text) { - if (!warnOnce.shown) warnOnce.shown = {}; - if (!warnOnce.shown[text]) { - warnOnce.shown[text] = 1; - err(text); - } -} - -var asm2wasmImports = { // special asm2wasm imports - "f64-rem": function(x, y) { - return x % y; - }, - "debugger": function() { - debugger; - } -}; - - - -var jsCallStartIndex = 1; -var functionPointers = new Array(0); - -// 'sig' parameter is only used on LLVM wasm backend -function addFunction(func, sig) { - var base = 0; - for (var i = base; i < base + 0; i++) { - if (!functionPointers[i]) { - functionPointers[i] = func; - return jsCallStartIndex + i; - } - } - throw 'Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS.'; -} - -function removeFunction(index) { - functionPointers[index-jsCallStartIndex] = null; -} - -var funcWrappers = {}; - -function getFuncWrapper(func, sig) { - if (!func) return; // on null pointer, return undefined - assert(sig); - if (!funcWrappers[sig]) { - funcWrappers[sig] = {}; - } - var sigCache = funcWrappers[sig]; - if (!sigCache[func]) { - // optimize away arguments usage in common cases - if (sig.length === 1) { - sigCache[func] = function dynCall_wrapper() { - return dynCall(sig, func); - }; - } else if (sig.length === 2) { - sigCache[func] = function dynCall_wrapper(arg) { - return dynCall(sig, func, [arg]); - }; - } else { - // general case - sigCache[func] = function dynCall_wrapper() { - return dynCall(sig, func, Array.prototype.slice.call(arguments)); - }; - } - } - return sigCache[func]; -} - - -function makeBigInt(low, high, unsigned) { - return unsigned ? ((+((low>>>0)))+((+((high>>>0)))*4294967296.0)) : ((+((low>>>0)))+((+((high|0)))*4294967296.0)); -} - -function dynCall(sig, ptr, args) { - if (args && args.length) { - return Module['dynCall_' + sig].apply(null, [ptr].concat(args)); - } else { - return Module['dynCall_' + sig].call(null, ptr); - } -} - -var tempRet0 = 0; - -var setTempRet0 = function(value) { - tempRet0 = value; -} - -var getTempRet0 = function() { - return tempRet0; -} - - -var Runtime = { - // FIXME backwards compatibility layer for ports. Support some Runtime.* - // for now, fix it there, then remove it from here. That way we - // can minimize any period of breakage. - dynCall: dynCall, // for SDL2 port -}; - -// The address globals begin at. Very low in memory, for code size and optimization opportunities. -// Above 0 is static memory, starting with globals. -// Then the stack. -// Then 'dynamic' memory for sbrk. -var GLOBAL_BASE = 1024; - - -// === Preamble library stuff === - -// Documentation for the public APIs defined in this file must be updated in: -// site/source/docs/api_reference/preamble.js.rst -// A prebuilt local version of the documentation is available at: -// site/build/text/docs/api_reference/preamble.js.txt -// You can also build docs locally as HTML or other formats in site/ -// An online HTML version (which may be of a different version of Emscripten) -// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html - - - -//======================================== -// Runtime essentials -//======================================== - -// whether we are quitting the application. no code should run after this. -// set in exit() and abort() -var ABORT = false; - -// set by exit() and abort(). Passed to 'onExit' handler. -// NOTE: This is also used as the process return code code in shell environments -// but only when noExitRuntime is false. -var EXITSTATUS = 0; - -/** @type {function(*, string=)} */ -function assert(condition, text) { - if (!condition) { - abort('Assertion failed: ' + text); - } -} - -var globalScope = this; - -// Returns the C function with a specified identifier (for C++, you need to do manual name mangling) -function getCFunc(ident) { - var func = Module['_' + ident]; // closure exported function - assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); - return func; -} - -var JSfuncs = { - // Helpers for cwrap -- it can't refer to Runtime directly because it might - // be renamed by closure, instead it calls JSfuncs['stackSave'].body to find - // out what the minified function name is. - 'stackSave': function() { - stackSave() - }, - 'stackRestore': function() { - stackRestore() - }, - // type conversion from js to c - 'arrayToC' : function(arr) { - var ret = stackAlloc(arr.length); - writeArrayToMemory(arr, ret); - return ret; - }, - 'stringToC' : function(str) { - var ret = 0; - if (str !== null && str !== undefined && str !== 0) { // null string - // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0' - var len = (str.length << 2) + 1; - ret = stackAlloc(len); - stringToUTF8(str, ret, len); - } - return ret; - } -}; - -// For fast lookup of conversion functions -var toC = { - 'string': JSfuncs['stringToC'], 'array': JSfuncs['arrayToC'] -}; - - -// C calling interface. -function ccall(ident, returnType, argTypes, args, opts) { - function convertReturnValue(ret) { - if (returnType === 'string') return Pointer_stringify(ret); - if (returnType === 'boolean') return Boolean(ret); - return ret; - } - - var func = getCFunc(ident); - var cArgs = []; - var stack = 0; - if (args) { - for (var i = 0; i < args.length; i++) { - var converter = toC[argTypes[i]]; - if (converter) { - if (stack === 0) stack = stackSave(); - cArgs[i] = converter(args[i]); - } else { - cArgs[i] = args[i]; - } - } - } - var ret = func.apply(null, cArgs); - ret = convertReturnValue(ret); - if (stack !== 0) stackRestore(stack); - return ret; -} - -function cwrap(ident, returnType, argTypes, opts) { - argTypes = argTypes || []; - // When the function takes numbers and returns a number, we can just return - // the original function - var numericArgs = argTypes.every(function(type){ return type === 'number'}); - var numericRet = returnType !== 'string'; - if (numericRet && numericArgs && !opts) { - return getCFunc(ident); - } - return function() { - return ccall(ident, returnType, argTypes, arguments, opts); - } -} - -/** @type {function(number, number, string, boolean=)} */ -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)>>0)]=value; break; - case 'i8': HEAP8[((ptr)>>0)]=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))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>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); - } -} - -/** @type {function(number, string, boolean=)} */ -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)>>0)]; - case 'i8': return HEAP8[((ptr)>>0)]; - 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 getValue: ' + type); - } - return null; -} - -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 - -// 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_* -/** @type {function((TypedArray|Array|number), string, number, number=)} */ -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 = [typeof _malloc === 'function' ? _malloc : staticAlloc, stackAlloc, staticAlloc, dynamicAlloc][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType ? 1 : types.length)); - } - - if (zeroinit) { - var stop; - ptr = ret; - 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(/** @type {!Uint8Array} */ (slab), ret); - } else { - HEAPU8.set(new Uint8Array(slab), ret); - } - return ret; - } - - var i = 0, type, typeSize, previousType; - while (i < size) { - var curr = slab[i]; - - 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 = getNativeTypeSize(type); - previousType = type; - } - i += typeSize; - } - - return ret; -} - -// Allocate memory during any stage of startup - static memory early on, dynamic memory later, malloc when ready -function getMemory(size) { - if (!staticSealed) return staticAlloc(size); - if (!runtimeInitialized) return dynamicAlloc(size); - return _malloc(size); -} - -/** @type {function(number, number=)} */ -function Pointer_stringify(ptr, length) { - if (length === 0 || !ptr) return ''; - // Find the length, and check for UTF while doing so - var hasUtf = 0; - var t; - var i = 0; - while (1) { - t = HEAPU8[(((ptr)+(i))>>0)]; - hasUtf |= t; - if (t == 0 && !length) break; - i++; - if (length && i == length) break; - } - if (!length) length = i; - - var ret = ''; - - if (hasUtf < 128) { - 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; - } - return UTF8ToString(ptr); -} - -// Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns -// a copy of that string as a Javascript String object. - -function AsciiToString(ptr) { - var str = ''; - while (1) { - var ch = HEAP8[((ptr++)>>0)]; - if (!ch) return str; - str += String.fromCharCode(ch); - } -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP. - -function stringToAscii(str, outPtr) { - return writeAsciiToMemory(str, outPtr, false); -} - -// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns -// a copy of that string as a Javascript String object. - -var UTF8Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf8') : undefined; -function UTF8ArrayToString(u8Array, idx) { - var endPtr = idx; - // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. - // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. - while (u8Array[endPtr]) ++endPtr; - - if (endPtr - idx > 16 && u8Array.subarray && UTF8Decoder) { - return UTF8Decoder.decode(u8Array.subarray(idx, endPtr)); - } else { - var u0, u1, u2, u3, u4, u5; - - var str = ''; - while (1) { - // For UTF8 byte structure, see: - // http://en.wikipedia.org/wiki/UTF-8#Description - // https://www.ietf.org/rfc/rfc2279.txt - // https://tools.ietf.org/html/rfc3629 - u0 = u8Array[idx++]; - if (!u0) return str; - if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } - u1 = u8Array[idx++] & 63; - if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } - u2 = u8Array[idx++] & 63; - if ((u0 & 0xF0) == 0xE0) { - u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; - } else { - u3 = u8Array[idx++] & 63; - if ((u0 & 0xF8) == 0xF0) { - u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | u3; - } else { - u4 = u8Array[idx++] & 63; - if ((u0 & 0xFC) == 0xF8) { - u0 = ((u0 & 3) << 24) | (u1 << 18) | (u2 << 12) | (u3 << 6) | u4; - } else { - u5 = u8Array[idx++] & 63; - u0 = ((u0 & 1) << 30) | (u1 << 24) | (u2 << 18) | (u3 << 12) | (u4 << 6) | u5; - } - } - } - if (u0 < 0x10000) { - str += String.fromCharCode(u0); - } else { - var ch = u0 - 0x10000; - str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); - } - } - } -} - -// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns -// a copy of that string as a Javascript String object. - -function UTF8ToString(ptr) { - return UTF8ArrayToString(HEAPU8,ptr); -} - -// Copies the given Javascript String object 'str' to the given byte array at address 'outIdx', -// encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP. -// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. -// Parameters: -// str: the Javascript string to copy. -// outU8Array: the array to copy to. Each index in this array is assumed to be one 8-byte element. -// outIdx: The starting offset in the array to begin the copying. -// maxBytesToWrite: The maximum number of bytes this function can write to the array. -// This count should include the null terminator, -// i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else. -// maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF8Array(str, outU8Array, outIdx, maxBytesToWrite) { - if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes. - return 0; - - var startIdx = outIdx; - var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629 - var u = str.charCodeAt(i); // possibly a lead surrogate - if (u >= 0xD800 && u <= 0xDFFF) { - var u1 = str.charCodeAt(++i); - u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); - } - if (u <= 0x7F) { - if (outIdx >= endIdx) break; - outU8Array[outIdx++] = u; - } else if (u <= 0x7FF) { - if (outIdx + 1 >= endIdx) break; - outU8Array[outIdx++] = 0xC0 | (u >> 6); - outU8Array[outIdx++] = 0x80 | (u & 63); - } else if (u <= 0xFFFF) { - if (outIdx + 2 >= endIdx) break; - outU8Array[outIdx++] = 0xE0 | (u >> 12); - outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63); - outU8Array[outIdx++] = 0x80 | (u & 63); - } else if (u <= 0x1FFFFF) { - if (outIdx + 3 >= endIdx) break; - outU8Array[outIdx++] = 0xF0 | (u >> 18); - outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63); - outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63); - outU8Array[outIdx++] = 0x80 | (u & 63); - } else if (u <= 0x3FFFFFF) { - if (outIdx + 4 >= endIdx) break; - outU8Array[outIdx++] = 0xF8 | (u >> 24); - outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63); - outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63); - outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63); - outU8Array[outIdx++] = 0x80 | (u & 63); - } else { - if (outIdx + 5 >= endIdx) break; - outU8Array[outIdx++] = 0xFC | (u >> 30); - outU8Array[outIdx++] = 0x80 | ((u >> 24) & 63); - outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63); - outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63); - outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63); - outU8Array[outIdx++] = 0x80 | (u & 63); - } - } - // Null-terminate the pointer to the buffer. - outU8Array[outIdx] = 0; - return outIdx - startIdx; -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP. -// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF8(str, outPtr, maxBytesToWrite) { - return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); -} - -// Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte. - -function lengthBytesUTF8(str) { - var len = 0; - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var u = str.charCodeAt(i); // possibly a lead surrogate - if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF); - if (u <= 0x7F) { - ++len; - } else if (u <= 0x7FF) { - len += 2; - } else if (u <= 0xFFFF) { - len += 3; - } else if (u <= 0x1FFFFF) { - len += 4; - } else if (u <= 0x3FFFFFF) { - len += 5; - } else { - len += 6; - } - } - return len; -} - -// 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. - -var UTF16Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-16le') : undefined; -function UTF16ToString(ptr) { - var endPtr = ptr; - // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. - // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. - var idx = endPtr >> 1; - while (HEAP16[idx]) ++idx; - endPtr = idx << 1; - - if (endPtr - ptr > 32 && UTF16Decoder) { - return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr)); - } else { - 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); - } - } -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP. -// Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write. -// Parameters: -// str: the Javascript string to copy. -// outPtr: Byte address in Emscripten HEAP where to write the string to. -// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null -// terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else. -// maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF16(str, outPtr, maxBytesToWrite) { - // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. - if (maxBytesToWrite === undefined) { - maxBytesToWrite = 0x7FFFFFFF; - } - if (maxBytesToWrite < 2) return 0; - maxBytesToWrite -= 2; // Null terminator. - var startPtr = outPtr; - var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length; - for (var i = 0; i < numCharsToWrite; ++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)>>1)]=codeUnit; - outPtr += 2; - } - // Null-terminate the pointer to the HEAP. - HEAP16[((outPtr)>>1)]=0; - return outPtr - startPtr; -} - -// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. - -function lengthBytesUTF16(str) { - return str.length*2; -} - -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. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - if (utf32 >= 0x10000) { - var ch = utf32 - 0x10000; - str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); - } else { - str += String.fromCharCode(utf32); - } - } -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP. -// Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write. -// Parameters: -// str: the Javascript string to copy. -// outPtr: Byte address in Emscripten HEAP where to write the string to. -// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null -// terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else. -// maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF32(str, outPtr, maxBytesToWrite) { - // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. - if (maxBytesToWrite === undefined) { - maxBytesToWrite = 0x7FFFFFFF; - } - if (maxBytesToWrite < 4) return 0; - var startPtr = outPtr; - var endPtr = startPtr + maxBytesToWrite - 4; - for (var i = 0; i < str.length; ++i) { - // 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. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var codeUnit = str.charCodeAt(i); // possibly a lead surrogate - if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { - var trailSurrogate = str.charCodeAt(++i); - codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF); - } - HEAP32[((outPtr)>>2)]=codeUnit; - outPtr += 4; - if (outPtr + 4 > endPtr) break; - } - // Null-terminate the pointer to the HEAP. - HEAP32[((outPtr)>>2)]=0; - return outPtr - startPtr; -} - -// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. - -function lengthBytesUTF32(str) { - var len = 0; - for (var i = 0; i < str.length; ++i) { - // 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. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var codeUnit = str.charCodeAt(i); - if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate. - len += 4; - } - - return len; -} - -// Allocate heap space for a JS string, and write it there. -// It is the responsibility of the caller to free() that memory. -function allocateUTF8(str) { - var size = lengthBytesUTF8(str) + 1; - var ret = _malloc(size); - if (ret) stringToUTF8Array(str, HEAP8, ret, size); - return ret; -} - -// Allocate stack space for a JS string, and write it there. -function allocateUTF8OnStack(str) { - var size = lengthBytesUTF8(str) + 1; - var ret = stackAlloc(size); - stringToUTF8Array(str, HEAP8, ret, size); - return ret; -} - -function demangle(func) { - return func; -} - -function demangleAll(text) { - var regex = - /__Z[\w\d_]+/g; - return text.replace(regex, - function(x) { - var y = demangle(x); - return x === y ? x : (y + ' [' + x + ']'); - }); -} - -function jsStackTrace() { - var err = new Error(); - if (!err.stack) { - // IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown, - // so try that as a special-case. - try { - throw new Error(0); - } catch(e) { - err = e; - } - if (!err.stack) { - return '(no stack trace available)'; - } - } - return err.stack.toString(); -} - -function stackTrace() { - var js = jsStackTrace(); - if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace'](); - return demangleAll(js); -} - -// Memory management - -var PAGE_SIZE = 16384; -var WASM_PAGE_SIZE = 65536; -var ASMJS_PAGE_SIZE = 16777216; -var MIN_TOTAL_MEMORY = 16777216; - -function alignUp(x, multiple) { - if (x % multiple > 0) { - x += multiple - (x % multiple); - } - return x; -} - -var HEAP, -/** @type {ArrayBuffer} */ - buffer, -/** @type {Int8Array} */ - HEAP8, -/** @type {Uint8Array} */ - HEAPU8, -/** @type {Int16Array} */ - HEAP16, -/** @type {Uint16Array} */ - HEAPU16, -/** @type {Int32Array} */ - HEAP32, -/** @type {Uint32Array} */ - HEAPU32, -/** @type {Float32Array} */ - HEAPF32, -/** @type {Float64Array} */ - HEAPF64; - -function updateGlobalBuffer(buf) { - Module['buffer'] = buffer = buf; -} - -function updateGlobalBufferViews() { - Module['HEAP8'] = HEAP8 = new Int8Array(buffer); - Module['HEAP16'] = HEAP16 = new Int16Array(buffer); - Module['HEAP32'] = HEAP32 = new Int32Array(buffer); - Module['HEAPU8'] = HEAPU8 = new Uint8Array(buffer); - Module['HEAPU16'] = HEAPU16 = new Uint16Array(buffer); - Module['HEAPU32'] = HEAPU32 = new Uint32Array(buffer); - Module['HEAPF32'] = HEAPF32 = new Float32Array(buffer); - Module['HEAPF64'] = HEAPF64 = new Float64Array(buffer); -} - -var STATIC_BASE, STATICTOP, staticSealed; // static area -var STACK_BASE, STACKTOP, STACK_MAX; // stack area -var DYNAMIC_BASE, DYNAMICTOP_PTR; // dynamic area handled by sbrk - - STATIC_BASE = STATICTOP = STACK_BASE = STACKTOP = STACK_MAX = DYNAMIC_BASE = DYNAMICTOP_PTR = 0; - staticSealed = false; - - - - -function abortOnCannotGrowMemory() { - 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 -s ALLOW_MEMORY_GROWTH=1 which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -s ABORTING_MALLOC=0 '); -} - -if (!Module['reallocBuffer']) Module['reallocBuffer'] = function(size) { - var ret; - try { - var oldHEAP8 = HEAP8; - ret = new ArrayBuffer(size); - var temp = new Int8Array(ret); - temp.set(oldHEAP8); - } catch(e) { - return false; - } - var success = _emscripten_replace_memory(ret); - if (!success) return false; - return ret; -}; - -function enlargeMemory() { - // TOTAL_MEMORY is the current size of the actual array, and DYNAMICTOP is the new top. - - - var PAGE_MULTIPLE = Module["usingWasm"] ? WASM_PAGE_SIZE : ASMJS_PAGE_SIZE; // In wasm, heap size must be a multiple of 64KB. In asm.js, they need to be multiples of 16MB. - var LIMIT = 2147483648 - PAGE_MULTIPLE; // We can do one page short of 2GB as theoretical maximum. - - if (HEAP32[DYNAMICTOP_PTR>>2] > LIMIT) { - return false; - } - - var OLD_TOTAL_MEMORY = TOTAL_MEMORY; - TOTAL_MEMORY = Math.max(TOTAL_MEMORY, MIN_TOTAL_MEMORY); // So the loop below will not be infinite, and minimum asm.js memory size is 16MB. - - while (TOTAL_MEMORY < HEAP32[DYNAMICTOP_PTR>>2]) { // Keep incrementing the heap size as long as it's less than what is requested. - if (TOTAL_MEMORY <= 536870912) { - TOTAL_MEMORY = alignUp(2 * TOTAL_MEMORY, PAGE_MULTIPLE); // Simple heuristic: double until 1GB... - } else { - // ..., but after that, add smaller increments towards 2GB, which we cannot reach - TOTAL_MEMORY = Math.min(alignUp((3 * TOTAL_MEMORY + 2147483648) / 4, PAGE_MULTIPLE), LIMIT); - } - } - - - - var replacement = Module['reallocBuffer'](TOTAL_MEMORY); - if (!replacement || replacement.byteLength != TOTAL_MEMORY) { - // restore the state to before this call, we failed - TOTAL_MEMORY = OLD_TOTAL_MEMORY; - return false; - } - - // everything worked - - updateGlobalBuffer(replacement); - updateGlobalBufferViews(); - - - - return true; -} - -var byteLength; -try { - byteLength = Function.prototype.call.bind(Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, 'byteLength').get); - byteLength(new ArrayBuffer(4)); // can fail on older ie -} catch(e) { // can fail on older node/v8 - byteLength = function(buffer) { return buffer.byteLength; }; -} - -var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880; -var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 16777216; -if (TOTAL_MEMORY < TOTAL_STACK) err('TOTAL_MEMORY should be larger than TOTAL_STACK, was ' + TOTAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')'); - -// Initialize the runtime's memory - - - -// Use a provided buffer, if there is one, or else allocate a new one -if (Module['buffer']) { - buffer = Module['buffer']; -} else { - // Use a WebAssembly memory where available - if (typeof WebAssembly === 'object' && typeof WebAssembly.Memory === 'function') { - Module['wasmMemory'] = new WebAssembly.Memory({ 'initial': TOTAL_MEMORY / WASM_PAGE_SIZE }); - buffer = Module['wasmMemory'].buffer; - } else - { - buffer = new ArrayBuffer(TOTAL_MEMORY); - } - Module['buffer'] = buffer; -} -updateGlobalBufferViews(); - - -function getTotalMemory() { - return TOTAL_MEMORY; -} - -// Endianness check (note: assumes compiler arch was little-endian) - -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) { - Module['dynCall_v'](func); - } else { - Module['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 main() is called - -var runtimeInitialized = false; -var runtimeExited = 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__); - runtimeExited = true; -} - -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); -} - -function addOnInit(cb) { - __ATINIT__.unshift(cb); -} - -function addOnPreMain(cb) { - __ATMAIN__.unshift(cb); -} - -function addOnExit(cb) { - __ATEXIT__.unshift(cb); -} - -function addOnPostRun(cb) { - __ATPOSTRUN__.unshift(cb); -} - -// Deprecated: This function should not be called because it is unsafe and does not provide -// a maximum length limit of how many bytes it is allowed to write. Prefer calling the -// function stringToUTF8Array() instead, which takes in a maximum length that can be used -// to be secure from out of bounds writes. -/** @deprecated */ -function writeStringToMemory(string, buffer, dontAddNull) { - warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!'); - - var /** @type {number} */ lastChar, /** @type {number} */ end; - if (dontAddNull) { - // stringToUTF8Array always appends null. If we don't want to do that, remember the - // character that existed at the location where the null will be placed, and restore - // that after the write (below). - end = buffer + lengthBytesUTF8(string); - lastChar = HEAP8[end]; - } - stringToUTF8(string, buffer, Infinity); - if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character. -} - -function writeArrayToMemory(array, buffer) { - HEAP8.set(array, buffer); -} - -function writeAsciiToMemory(str, buffer, dontAddNull) { - for (var i = 0; i < str.length; ++i) { - HEAP8[((buffer++)>>0)]=str.charCodeAt(i); - } - // Null-terminate the pointer to the HEAP. - if (!dontAddNull) HEAP8[((buffer)>>0)]=0; -} - -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; -} - - -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_round = Math.round; -var Math_min = Math.min; -var Math_max = Math.max; -var Math_clz32 = Math.clz32; -var Math_trunc = Math.trunc; - -// 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 -// Module.preRun (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 getUniqueRunDependency(id) { - return id; -} - -function addRunDependency(id) { - runDependencies++; - if (Module['monitorRunDependencies']) { - Module['monitorRunDependencies'](runDependencies); - } -} - -function removeRunDependency(id) { - runDependencies--; - if (Module['monitorRunDependencies']) { - Module['monitorRunDependencies'](runDependencies); - } - if (runDependencies == 0) { - if (runDependencyWatcher !== null) { - clearInterval(runDependencyWatcher); - runDependencyWatcher = null; - } - if (dependenciesFulfilled) { - var callback = dependenciesFulfilled; - dependenciesFulfilled = null; - callback(); // can add another dependenciesFulfilled - } - } -} - -Module["preloadedImages"] = {}; // maps url to image data -Module["preloadedAudios"] = {}; // maps url to audio data - - - -var memoryInitializer = null; - - - - - - -// Copyright 2017 The Emscripten Authors. All rights reserved. -// Emscripten is available under two separate licenses, the MIT license and the -// University of Illinois/NCSA Open Source License. Both these licenses can be -// found in the LICENSE file. - -// Prefix of data URIs emitted by SINGLE_FILE and related options. -var dataURIPrefix = 'data:application/octet-stream;base64,'; - -// Indicates whether filename is a base64 data URI. -function isDataURI(filename) { - return String.prototype.startsWith ? - filename.startsWith(dataURIPrefix) : - filename.indexOf(dataURIPrefix) === 0; -} - - - - -function integrateWasmJS() { - // wasm.js has several methods for creating the compiled code module here: - // * 'native-wasm' : use native WebAssembly support in the browser - // * 'interpret-s-expr': load s-expression code from a .wast and interpret - // * 'interpret-binary': load binary wasm and interpret - // * 'interpret-asm2wasm': load asm.js code, translate to wasm, and interpret - // * 'asmjs': no wasm, just load the asm.js code and use that (good for testing) - // The method is set at compile time (BINARYEN_METHOD) - // The method can be a comma-separated list, in which case, we will try the - // options one by one. Some of them can fail gracefully, and then we can try - // the next. - - // inputs - - var method = 'native-wasm'; - - var wasmTextFile = 'jurista.wast'; - var wasmBinaryFile = 'jurista.wasm'; - var asmjsCodeFile = 'jurista.temp.asm.js'; - - if (!isDataURI(wasmTextFile)) { - wasmTextFile = locateFile(wasmTextFile); - } - if (!isDataURI(wasmBinaryFile)) { - wasmBinaryFile = locateFile(wasmBinaryFile); - } - if (!isDataURI(asmjsCodeFile)) { - asmjsCodeFile = locateFile(asmjsCodeFile); - } - - // utilities - - var wasmPageSize = 64*1024; - - var info = { - 'global': null, - 'env': null, - 'asm2wasm': asm2wasmImports, - 'parent': Module // Module inside wasm-js.cpp refers to wasm-js.cpp; this allows access to the outside program. - }; - - var exports = null; - - - function mergeMemory(newBuffer) { - // The wasm instance creates its memory. But static init code might have written to - // buffer already, including the mem init file, and we must copy it over in a proper merge. - // TODO: avoid this copy, by avoiding such static init writes - // TODO: in shorter term, just copy up to the last static init write - var oldBuffer = Module['buffer']; - if (newBuffer.byteLength < oldBuffer.byteLength) { - err('the new buffer in mergeMemory is smaller than the previous one. in native wasm, we should grow memory here'); - } - var oldView = new Int8Array(oldBuffer); - var newView = new Int8Array(newBuffer); - - - newView.set(oldView); - updateGlobalBuffer(newBuffer); - updateGlobalBufferViews(); - } - - function getBinary() { - try { - if (Module['wasmBinary']) { - return new Uint8Array(Module['wasmBinary']); - } - if (Module['readBinary']) { - return Module['readBinary'](wasmBinaryFile); - } else { - throw "both async and sync fetching of the wasm failed"; - } - } - catch (err) { - abort(err); - } - } - - function getBinaryPromise() { - // if we don't have the binary yet, and have the Fetch api, use that - // in some environments, like Electron's render process, Fetch api may be present, but have a different context than expected, let's only use it on the Web - if (!Module['wasmBinary'] && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && typeof fetch === 'function') { - return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { - if (!response['ok']) { - throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; - } - return response['arrayBuffer'](); - }).catch(function () { - return getBinary(); - }); - } - // Otherwise, getBinary should be able to get it synchronously - return new Promise(function(resolve, reject) { - resolve(getBinary()); - }); - } - - // do-method functions - - - function doNativeWasm(global, env, providedBuffer) { - if (typeof WebAssembly !== 'object') { - err('no native wasm support detected'); - return false; - } - // prepare memory import - if (!(Module['wasmMemory'] instanceof WebAssembly.Memory)) { - err('no native wasm Memory in use'); - return false; - } - env['memory'] = Module['wasmMemory']; - // Load the wasm module and create an instance of using native support in the JS engine. - info['global'] = { - 'NaN': NaN, - 'Infinity': Infinity - }; - info['global.Math'] = Math; - info['env'] = env; - // handle a generated wasm instance, receiving its exports and - // performing other necessary setup - function receiveInstance(instance, module) { - exports = instance.exports; - if (exports.memory) mergeMemory(exports.memory); - Module['asm'] = exports; - Module["usingWasm"] = true; - removeRunDependency('wasm-instantiate'); - } - addRunDependency('wasm-instantiate'); - - // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback - // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel - // to any other async startup actions they are performing. - if (Module['instantiateWasm']) { - try { - return Module['instantiateWasm'](info, receiveInstance); - } catch(e) { - err('Module.instantiateWasm callback failed with error: ' + e); - return false; - } - } - - function receiveInstantiatedSource(output) { - // 'output' is a WebAssemblyInstantiatedSource object which has both the module and instance. - // receiveInstance() will swap in the exports (to Module.asm) so they can be called - receiveInstance(output['instance'], output['module']); - } - function instantiateArrayBuffer(receiver) { - getBinaryPromise().then(function(binary) { - return WebAssembly.instantiate(binary, info); - }).then(receiver, function(reason) { - err('failed to asynchronously prepare wasm: ' + reason); - abort(reason); - }); - } - // Prefer streaming instantiation if available. - if (!Module['wasmBinary'] && - typeof WebAssembly.instantiateStreaming === 'function' && - !isDataURI(wasmBinaryFile) && - typeof fetch === 'function') { - WebAssembly.instantiateStreaming(fetch(wasmBinaryFile, { credentials: 'same-origin' }), info) - .then(receiveInstantiatedSource, function(reason) { - // We expect the most common failure cause to be a bad MIME type for the binary, - // in which case falling back to ArrayBuffer instantiation should work. - err('wasm streaming compile failed: ' + reason); - err('falling back to ArrayBuffer instantiation'); - instantiateArrayBuffer(receiveInstantiatedSource); - }); - } else { - instantiateArrayBuffer(receiveInstantiatedSource); - } - return {}; // no exports yet; we'll fill them in later - } - - - // We may have a preloaded value in Module.asm, save it - Module['asmPreload'] = Module['asm']; - - // Memory growth integration code - - var asmjsReallocBuffer = Module['reallocBuffer']; - - var wasmReallocBuffer = function(size) { - var PAGE_MULTIPLE = Module["usingWasm"] ? WASM_PAGE_SIZE : ASMJS_PAGE_SIZE; // In wasm, heap size must be a multiple of 64KB. In asm.js, they need to be multiples of 16MB. - size = alignUp(size, PAGE_MULTIPLE); // round up to wasm page size - var old = Module['buffer']; - var oldSize = old.byteLength; - if (Module["usingWasm"]) { - // native wasm support - try { - var result = Module['wasmMemory'].grow((size - oldSize) / wasmPageSize); // .grow() takes a delta compared to the previous size - if (result !== (-1 | 0)) { - // success in native wasm memory growth, get the buffer from the memory - return Module['buffer'] = Module['wasmMemory'].buffer; - } else { - return null; - } - } catch(e) { - return null; - } - } - }; - - Module['reallocBuffer'] = function(size) { - if (finalMethod === 'asmjs') { - return asmjsReallocBuffer(size); - } else { - return wasmReallocBuffer(size); - } - }; - - // we may try more than one; this is the final one, that worked and we are using - var finalMethod = ''; - - // Provide an "asm.js function" for the application, called to "link" the asm.js module. We instantiate - // the wasm module at that time, and it receives imports and provides exports and so forth, the app - // doesn't need to care that it is wasm or polyfilled wasm or asm.js. - - Module['asm'] = function(global, env, providedBuffer) { - // import table - if (!env['table']) { - var TABLE_SIZE = Module['wasmTableSize']; - if (TABLE_SIZE === undefined) TABLE_SIZE = 1024; // works in binaryen interpreter at least - var MAX_TABLE_SIZE = Module['wasmMaxTableSize']; - if (typeof WebAssembly === 'object' && typeof WebAssembly.Table === 'function') { - if (MAX_TABLE_SIZE !== undefined) { - env['table'] = new WebAssembly.Table({ 'initial': TABLE_SIZE, 'maximum': MAX_TABLE_SIZE, 'element': 'anyfunc' }); - } else { - env['table'] = new WebAssembly.Table({ 'initial': TABLE_SIZE, element: 'anyfunc' }); - } - } else { - env['table'] = new Array(TABLE_SIZE); // works in binaryen interpreter at least - } - Module['wasmTable'] = env['table']; - } - - if (!env['__memory_base']) { - env['__memory_base'] = Module['STATIC_BASE']; // tell the memory segments where to place themselves - } - if (!env['__table_base']) { - env['__table_base'] = 0; // table starts at 0 by default, in dynamic linking this will change - } - - // try the methods. each should return the exports if it succeeded - - var exports; - exports = doNativeWasm(global, env, providedBuffer); - - assert(exports, 'no binaryen method succeeded.'); - - - return exports; - }; - - var methodHandler = Module['asm']; // note our method handler, as we may modify Module['asm'] later -} - -integrateWasmJS(); - -// === Body === - -var ASM_CONSTS = []; - - - - - -STATIC_BASE = GLOBAL_BASE; - -STATICTOP = STATIC_BASE + 110960; -/* global initializers */ __ATINIT__.push(); - - - - - - - -var STATIC_BUMP = 110960; -Module["STATIC_BASE"] = STATIC_BASE; -Module["STATIC_BUMP"] = STATIC_BUMP; - -/* no memory initializer */ -var tempDoublePtr = STATICTOP; STATICTOP += 16; - -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]; -} - -// {{PRE_LIBRARY}} - - - - - - - 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"}; - - function ___setErrNo(value) { - if (Module['___errno_location']) HEAP32[((Module['___errno_location']())>>2)]=value; - return value; - } - - var PATH={splitPath:function (filename) { - var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; - return splitPathRe.exec(filename).slice(1); - },normalizeArray:function (parts, allowAboveRoot) { - // if the path tries to go above the root, `up` ends up > 0 - var up = 0; - for (var i = parts.length - 1; i >= 0; i--) { - var last = parts[i]; - if (last === '.') { - parts.splice(i, 1); - } else if (last === '..') { - parts.splice(i, 1); - up++; - } else if (up) { - parts.splice(i, 1); - up--; - } - } - // if the path is allowed to go above the root, restore leading ..s - if (allowAboveRoot) { - for (; up; up--) { - parts.unshift('..'); - } - } - return parts; - },normalize:function (path) { - var isAbsolute = path.charAt(0) === '/', - trailingSlash = path.substr(-1) === '/'; - // Normalize the path - path = PATH.normalizeArray(path.split('/').filter(function(p) { - return !!p; - }), !isAbsolute).join('/'); - if (!path && !isAbsolute) { - path = '.'; - } - if (path && trailingSlash) { - path += '/'; - } - return (isAbsolute ? '/' : '') + path; - },dirname:function (path) { - var result = PATH.splitPath(path), - root = result[0], - dir = result[1]; - if (!root && !dir) { - // No dirname whatsoever - return '.'; - } - if (dir) { - // It has a dirname, strip trailing slash - dir = dir.substr(0, dir.length - 1); - } - return root + dir; - },basename:function (path) { - // EMSCRIPTEN return '/'' for '/', not an empty string - if (path === '/') return '/'; - var lastSlash = path.lastIndexOf('/'); - if (lastSlash === -1) return path; - return path.substr(lastSlash+1); - },extname:function (path) { - return PATH.splitPath(path)[3]; - },join:function () { - var paths = Array.prototype.slice.call(arguments, 0); - return PATH.normalize(paths.join('/')); - },join2:function (l, r) { - return PATH.normalize(l + '/' + r); - },resolve:function () { - var resolvedPath = '', - resolvedAbsolute = false; - for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { - var path = (i >= 0) ? arguments[i] : FS.cwd(); - // Skip empty and invalid entries - if (typeof path !== 'string') { - throw new TypeError('Arguments to path.resolve must be strings'); - } else if (!path) { - return ''; // an invalid portion invalidates the whole thing - } - resolvedPath = path + '/' + resolvedPath; - resolvedAbsolute = path.charAt(0) === '/'; - } - // At this point the path should be resolved to a full absolute path, but - // handle relative paths to be safe (might happen when process.cwd() fails) - resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) { - return !!p; - }), !resolvedAbsolute).join('/'); - return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; - },relative:function (from, to) { - from = PATH.resolve(from).substr(1); - to = PATH.resolve(to).substr(1); - function trim(arr) { - var start = 0; - for (; start < arr.length; start++) { - if (arr[start] !== '') break; - } - var end = arr.length - 1; - for (; end >= 0; end--) { - if (arr[end] !== '') break; - } - if (start > end) return []; - return arr.slice(start, end - start + 1); - } - var fromParts = trim(from.split('/')); - var toParts = trim(to.split('/')); - var length = Math.min(fromParts.length, toParts.length); - var samePartsLength = length; - for (var i = 0; i < length; i++) { - if (fromParts[i] !== toParts[i]) { - samePartsLength = i; - break; - } - } - var outputParts = []; - for (var i = samePartsLength; i < fromParts.length; i++) { - outputParts.push('..'); - } - outputParts = outputParts.concat(toParts.slice(samePartsLength)); - return outputParts.join('/'); - }}; - - var TTY={ttys:[],init:function () { - // https://github.com/kripken/emscripten/pull/1555 - // if (ENVIRONMENT_IS_NODE) { - // // currently, FS.init does not distinguish if process.stdin is a file or TTY - // // device, it always assumes it's a TTY device. because of this, we're forcing - // // process.stdin to UTF8 encoding to at least make stdin reading compatible - // // with text files until FS.init can be refactored. - // process['stdin']['setEncoding']('utf8'); - // } - },shutdown:function () { - // https://github.com/kripken/emscripten/pull/1555 - // if (ENVIRONMENT_IS_NODE) { - // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)? - // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation - // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists? - // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle - // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call - // process['stdin']['pause'](); - // } - },register:function (dev, ops) { - TTY.ttys[dev] = { input: [], output: [], ops: ops }; - FS.registerDevice(dev, TTY.stream_ops); - },stream_ops:{open:function (stream) { - var tty = TTY.ttys[stream.node.rdev]; - if (!tty) { - throw new FS.ErrnoError(ERRNO_CODES.ENODEV); - } - stream.tty = tty; - stream.seekable = false; - },close:function (stream) { - // flush any pending line data - stream.tty.ops.flush(stream.tty); - },flush:function (stream) { - stream.tty.ops.flush(stream.tty); - },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); - } - try { - for (var i = 0; i < length; i++) { - 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) { - // we will read data by chunks of BUFSIZE - var BUFSIZE = 256; - var buf = new Buffer(BUFSIZE); - var bytesRead = 0; - - var isPosixPlatform = (process.platform != 'win32'); // Node doesn't offer a direct check, so test by exclusion - - var fd = process.stdin.fd; - if (isPosixPlatform) { - // Linux and Mac cannot use process.stdin.fd (which isn't set up as sync) - var usingDevice = false; - try { - fd = fs.openSync('/dev/stdin', 'r'); - usingDevice = true; - } catch (e) {} - } - - try { - bytesRead = fs.readSync(fd, buf, 0, BUFSIZE, null); - } catch(e) { - // Cross-platform differences: on Windows, reading EOF throws an exception, but on other OSes, - // reading EOF returns 0. Uniformize behavior by treating the EOF exception to return 0. - if (e.toString().indexOf('EOF') != -1) bytesRead = 0; - else throw e; - } - - if (usingDevice) { fs.closeSync(fd); } - if (bytesRead > 0) { - result = buf.slice(0, bytesRead).toString('utf-8'); - } else { - result = null; - } - - } 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) { - out(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } else { - if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle. - } - },flush:function (tty) { - if (tty.output && tty.output.length > 0) { - out(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } - }},default_tty1_ops:{put_char:function (tty, val) { - if (val === null || val === 10) { - err(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } else { - if (val != 0) tty.output.push(val); - } - },flush:function (tty) { - if (tty.output && tty.output.length > 0) { - err(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } - }}}; - - var MEMFS={ops_table:null,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, - msync: MEMFS.stream_ops.msync - } - }, - link: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr, - readlink: MEMFS.node_ops.readlink - }, - stream: {} - }, - chrdev: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr - }, - stream: FS.chrdev_stream_ops - } - }; - } - var node = FS.createNode(parent, name, mode, dev); - if (FS.isDir(node.mode)) { - node.node_ops = MEMFS.ops_table.dir.node; - node.stream_ops = MEMFS.ops_table.dir.stream; - node.contents = {}; - } else if (FS.isFile(node.mode)) { - node.node_ops = MEMFS.ops_table.file.node; - node.stream_ops = MEMFS.ops_table.file.stream; - node.usedBytes = 0; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity. - // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred - // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size - // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme. - node.contents = null; - } else if (FS.isLink(node.mode)) { - node.node_ops = MEMFS.ops_table.link.node; - node.stream_ops = MEMFS.ops_table.link.stream; - } else if (FS.isChrdev(node.mode)) { - node.node_ops = MEMFS.ops_table.chrdev.node; - node.stream_ops = MEMFS.ops_table.chrdev.stream; - } - node.timestamp = Date.now(); - // add the new node to the parent - if (parent) { - parent.contents[name] = node; - } - return node; - },getFileDataAsRegularArray:function (node) { - if (node.contents && node.contents.subarray) { - var arr = []; - for (var i = 0; i < node.usedBytes; ++i) arr.push(node.contents[i]); - return arr; // Returns a copy of the original data. - } - return node.contents; // No-op, the file contents are already in a JS array. Return as-is. - },getFileDataAsTypedArray:function (node) { - if (!node.contents) return new Uint8Array; - if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes. - return new Uint8Array(node.contents); - },expandFileStorage:function (node, newCapacity) { - // If we are asked to expand the size of a file that already exists, revert to using a standard JS array to store the file - // instead of a typed array. This makes resizing the array more flexible because we can just .push() elements at the back to - // increase the size. - if (node.contents && node.contents.subarray && newCapacity > node.contents.length) { - node.contents = MEMFS.getFileDataAsRegularArray(node); - node.usedBytes = node.contents.length; // We might be writing to a lazy-loaded file which had overridden this property, so force-reset it. - } - - if (!node.contents || node.contents.subarray) { // Keep using a typed array if creating a new storage, or if old one was a typed array as well. - var prevCapacity = node.contents ? node.contents.length : 0; - if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough. - // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity. - // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to - // avoid overshooting the allocation cap by a very large margin. - var CAPACITY_DOUBLING_MAX = 1024 * 1024; - newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) | 0); - if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding. - var oldContents = node.contents; - node.contents = new Uint8Array(newCapacity); // Allocate new storage. - if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage. - return; - } - // Not using a typed array to back the file storage. Use a standard JS array instead. - if (!node.contents && newCapacity > 0) node.contents = []; - while (node.contents.length < newCapacity) node.contents.push(0); - },resizeFileStorage:function (node, newSize) { - if (node.usedBytes == newSize) return; - if (newSize == 0) { - node.contents = null; // Fully decommit when requesting a resize to zero. - node.usedBytes = 0; - return; - } - if (!node.contents || node.contents.subarray) { // Resize a typed array if that is being used as the backing store. - var oldContents = node.contents; - node.contents = new Uint8Array(new ArrayBuffer(newSize)); // Allocate new storage. - if (oldContents) { - node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage. - } - node.usedBytes = newSize; - return; - } - // Backing with a JS array. - if (!node.contents) node.contents = []; - if (node.contents.length > newSize) node.contents.length = newSize; - else while (node.contents.length < newSize) node.contents.push(0); - node.usedBytes = newSize; - },node_ops:{getattr:function (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.usedBytes; - } else if (FS.isLink(node.mode)) { - attr.size = node.link.length; - } else { - attr.size = 0; - } - attr.atime = new Date(node.timestamp); - attr.mtime = new Date(node.timestamp); - attr.ctime = new Date(node.timestamp); - // 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.resizeFileStorage(node, attr.size); - } - },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 >= stream.node.usedBytes) return 0; - var size = Math.min(stream.node.usedBytes - 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) { - // If memory can grow, we don't want to hold on to references of - // the memory Buffer, as they may get invalidated. That means - // we need to do a copy here. - canOwn = false; - - if (!length) return 0; - var node = stream.node; - node.timestamp = Date.now(); - - if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array? - if (canOwn) { - node.contents = buffer.subarray(offset, offset + length); - node.usedBytes = length; - return length; - } else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data. - node.contents = new Uint8Array(buffer.subarray(offset, offset + length)); - node.usedBytes = length; - return length; - } else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file? - node.contents.set(buffer.subarray(offset, offset + length), position); - return length; - } - } - - // Appending to an existing file and we need to reallocate, or source data did not come as a typed array. - MEMFS.expandFileStorage(node, position+length); - if (node.contents.subarray && buffer.subarray) node.contents.set(buffer.subarray(offset, offset + length), position); // Use typed array write if available. - else { - for (var i = 0; i < length; i++) { - node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not. - } - } - node.usedBytes = Math.max(node.usedBytes, position+length); - 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.usedBytes; - } - } - if (position < 0) { - throw new FS.ErrnoError(ERRNO_CODES.EINVAL); - } - return position; - },allocate:function (stream, offset, length) { - MEMFS.expandFileStorage(stream.node, offset + length); - stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length); - },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 < stream.node.usedBytes) { - 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 }; - },msync:function (stream, buffer, offset, length, mmapFlags) { - if (!FS.isFile(stream.node.mode)) { - throw new FS.ErrnoError(ERRNO_CODES.ENODEV); - } - if (mmapFlags & 2) { - // MAP_PRIVATE calls need not to be synced back to underlying fs - return 0; - } - - var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); - // should we check if bytesWritten and length are the same? - return 0; - }}}; - - var IDBFS={dbs:{},indexedDB:function () { - if (typeof indexedDB !== 'undefined') return indexedDB; - var ret = null; - if (typeof window === 'object') ret = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; - assert(ret, 'IDBFS used, but indexedDB not supported'); - return ret; - },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); - } - if (!req) { - return callback("Unable to connect to IndexedDB"); - } - 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); - } - - if (!fileStore.indexNames.contains('timestamp')) { - 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(e) { - callback(this.error); - e.preventDefault(); - }; - },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); - - try { - var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readonly'); - transaction.onerror = function(e) { - callback(this.error); - e.preventDefault(); - }; - - 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(); - }; - } catch (e) { - return callback(e); - } - }); - },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)) { - // Performance consideration: storing a normal JavaScript array to a IndexedDB is much slower than storing a typed array. - // Therefore always convert the file contents to a typed array first before writing the data to IndexedDB. - node.contents = MEMFS.getFileDataAsTypedArray(node); - 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, { canOwn: true }); - } else { - return callback(new Error('node type not supported')); - } - - FS.chmod(path, entry.mode); - 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(e) { - callback(this.error); - e.preventDefault(); - }; - },storeRemoteEntry:function (store, path, entry, callback) { - var req = store.put(entry, path); - req.onsuccess = function() { callback(null); }; - req.onerror = function(e) { - callback(this.error); - e.preventDefault(); - }; - },removeRemoteEntry:function (store, path, callback) { - var req = store.delete(path); - req.onsuccess = function() { callback(null); }; - req.onerror = function(e) { - callback(this.error); - e.preventDefault(); - }; - },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(e) { - done(this.error); - e.preventDefault(); - }; - - // 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/); - var flags = process["binding"]("constants"); - // Node.js 4 compatibility: it has no namespaces for constants - if (flags["fs"]) { - flags = flags["fs"]; - } - NODEFS.flagsForNodeMap = { - "1024": flags["O_APPEND"], - "64": flags["O_CREAT"], - "128": flags["O_EXCL"], - "0": flags["O_RDONLY"], - "2": flags["O_RDWR"], - "4096": flags["O_SYNC"], - "512": flags["O_TRUNC"], - "1": flags["O_WRONLY"] - }; - },bufferFrom:function (arrayBuffer) { - // Node.js < 4.5 compatibility: Buffer.from does not support ArrayBuffer - // Buffer.from before 4.5 was just a method inherited from Uint8Array - // Buffer.alloc has been added with Buffer.from together, so check it instead - return Buffer.alloc ? Buffer.from(arrayBuffer) : new Buffer(arrayBuffer); - },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) { - // Node.js on Windows never represents permission bit 'x', so - // propagate read bits to execute bits - stat.mode = stat.mode | ((stat.mode & 292) >> 2); - } - } 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); - },flagsForNode:function (flags) { - flags &= ~0x200000 /*O_PATH*/; // Ignore this flag from musl, otherwise node.js fails to open the file. - flags &= ~0x800 /*O_NONBLOCK*/; // Ignore this flag from musl, otherwise node.js fails to open the file. - flags &= ~0x8000 /*O_LARGEFILE*/; // Ignore this flag from musl, otherwise node.js fails to open the file. - flags &= ~0x80000 /*O_CLOEXEC*/; // Some applications may pass it; it makes no sense for a single process. - var newFlags = 0; - for (var k in NODEFS.flagsForNodeMap) { - if (flags & k) { - newFlags |= NODEFS.flagsForNodeMap[k]; - flags ^= k; - } - } - - if (!flags) { - return newFlags; - } else { - throw new FS.ErrnoError(ERRNO_CODES.EINVAL); - } - },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 { - path = fs.readlinkSync(path); - path = NODEJS_PATH.relative(NODEJS_PATH.resolve(node.mount.opts.root), path); - return 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.flagsForNode(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) { - // Node.js < 6 compatibility: node errors on 0 length reads - if (length === 0) return 0; - try { - return fs.readSync(stream.nfd, NODEFS.bufferFrom(buffer.buffer), offset, length, position); - } catch (e) { - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - },write:function (stream, buffer, offset, length, position) { - try { - return fs.writeSync(stream.nfd, NODEFS.bufferFrom(buffer.buffer), offset, length, position); - } catch (e) { - throw new FS.ErrnoError(ERRNO_CODES[e.code]); - } - },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); - } - - return position; - }}}; - - var WORKERFS={DIR_MODE:16895,FILE_MODE:33279,reader:null,mount:function (mount) { - assert(ENVIRONMENT_IS_WORKER); - if (!WORKERFS.reader) WORKERFS.reader = new FileReaderSync(); - var root = WORKERFS.createNode(null, '/', WORKERFS.DIR_MODE, 0); - var createdParents = {}; - function ensureParent(path) { - // return the parent node, creating subdirs as necessary - var parts = path.split('/'); - var parent = root; - for (var i = 0; i < parts.length-1; i++) { - var curr = parts.slice(0, i+1).join('/'); - // Issue 4254: Using curr as a node name will prevent the node - // from being found in FS.nameTable when FS.open is called on - // a path which holds a child of this node, - // given that all FS functions assume node names - // are just their corresponding parts within their given path, - // rather than incremental aggregates which include their parent's - // directories. - if (!createdParents[curr]) { - createdParents[curr] = WORKERFS.createNode(parent, parts[i], WORKERFS.DIR_MODE, 0); - } - parent = createdParents[curr]; - } - return parent; - } - function base(path) { - var parts = path.split('/'); - return parts[parts.length-1]; - } - // We also accept FileList here, by using Array.prototype - Array.prototype.forEach.call(mount.opts["files"] || [], function(file) { - WORKERFS.createNode(ensureParent(file.name), base(file.name), WORKERFS.FILE_MODE, 0, file, file.lastModifiedDate); - }); - (mount.opts["blobs"] || []).forEach(function(obj) { - WORKERFS.createNode(ensureParent(obj["name"]), base(obj["name"]), WORKERFS.FILE_MODE, 0, obj["data"]); - }); - (mount.opts["packages"] || []).forEach(function(pack) { - pack['metadata'].files.forEach(function(file) { - var name = file.filename.substr(1); // remove initial slash - WORKERFS.createNode(ensureParent(name), base(name), WORKERFS.FILE_MODE, 0, pack['blob'].slice(file.start, file.end)); - }); - }); - return root; - },createNode:function (parent, name, mode, dev, contents, mtime) { - var node = FS.createNode(parent, name, mode); - node.mode = mode; - node.node_ops = WORKERFS.node_ops; - node.stream_ops = WORKERFS.stream_ops; - node.timestamp = (mtime || new Date).getTime(); - assert(WORKERFS.FILE_MODE !== WORKERFS.DIR_MODE); - if (mode === WORKERFS.FILE_MODE) { - node.size = contents.size; - node.contents = contents; - } else { - node.size = 4096; - node.contents = {}; - } - if (parent) { - parent.contents[name] = node; - } - return node; - },node_ops:{getattr:function (node) { - return { - dev: 1, - ino: undefined, - mode: node.mode, - nlink: 1, - uid: 0, - gid: 0, - rdev: undefined, - size: node.size, - atime: new Date(node.timestamp), - mtime: new Date(node.timestamp), - ctime: new Date(node.timestamp), - blksize: 4096, - blocks: Math.ceil(node.size / 4096), - }; - },setattr:function (node, attr) { - if (attr.mode !== undefined) { - node.mode = attr.mode; - } - if (attr.timestamp !== undefined) { - node.timestamp = attr.timestamp; - } - },lookup:function (parent, name) { - throw new FS.ErrnoError(ERRNO_CODES.ENOENT); - },mknod:function (parent, name, mode, dev) { - throw new FS.ErrnoError(ERRNO_CODES.EPERM); - },rename:function (oldNode, newDir, newName) { - throw new FS.ErrnoError(ERRNO_CODES.EPERM); - },unlink:function (parent, name) { - throw new FS.ErrnoError(ERRNO_CODES.EPERM); - },rmdir:function (parent, name) { - throw new FS.ErrnoError(ERRNO_CODES.EPERM); - },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) { - throw new FS.ErrnoError(ERRNO_CODES.EPERM); - },readlink:function (node) { - throw new FS.ErrnoError(ERRNO_CODES.EPERM); - }},stream_ops:{read:function (stream, buffer, offset, length, position) { - if (position >= stream.node.size) return 0; - var chunk = stream.node.contents.slice(position, position + length); - var ab = WORKERFS.reader.readAsArrayBuffer(chunk); - buffer.set(new Uint8Array(ab), offset); - return chunk.size; - },write:function (stream, buffer, offset, length, position) { - throw new FS.ErrnoError(ERRNO_CODES.EIO); - },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.size; - } - } - if (position < 0) { - throw new FS.ErrnoError(ERRNO_CODES.EINVAL); - } - return position; - }}}; - - var _stdin=STATICTOP; STATICTOP += 16;; - - var _stdout=STATICTOP; STATICTOP += 16;; - - var _stderr=STATICTOP; STATICTOP += 16;;var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,trackingDelegate:{},tracking:{openFlags:{READ:1,WRITE:2}},ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,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 || {}; - - if (!path) return { path: '', node: null }; - - var defaults = { - follow_mount: true, - recurse_count: 0 - }; - for (var key in defaults) { - if (opts[key] === undefined) { - opts[key] = defaults[key]; - } - } - - if (opts.recurse_count > 8) { // 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, parent); - } - var hash = FS.hashName(parent.id, name); - for (var node = FS.nameTable[hash]; node; node = node.name_next) { - var nodeName = node.name; - if (node.parent.id === parent.id && nodeName === name) { - return node; - } - } - // 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 perms = ['r', 'w', 'rw'][flag & 3]; - 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) { - var err = FS.nodePermissions(dir, 'x'); - if (err) return err; - if (!dir.node_ops.lookup) return ERRNO_CODES.EACCES; - return 0; - },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 (FS.flagsToPermissionString(flags) !== 'r' || // opening for write - (flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only) - 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); } - } - }); - } - // clone it, so we can return an instance of FSStream - var newStream = new FS.FSStream(); - for (var p in stream) { - newStream[p] = stream[p]; - } - stream = newStream; - var fd = FS.nextfd(fd_start, fd_end); - stream.fd = fd; - FS.streams[fd] = stream; - return stream; - },closeStream:function (fd) { - FS.streams[fd] = null; - },chrdev_stream_ops:{open:function (stream) { - var device = FS.getDevice(stream.node.rdev); - // override node's stream ops with the device's - stream.stream_ops = device.stream_ops; - // forward the open call - if (stream.stream_ops.open) { - stream.stream_ops.open(stream); - } - },llseek:function () { - throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); - }},major:function (dev) { - return ((dev) >> 8); - },minor:function (dev) { - return ((dev) & 0xff); - },makedev:function (ma, mi) { - return ((ma) << 8 | (mi)); - },registerDevice:function (dev, ops) { - FS.devices[dev] = { stream_ops: ops }; - },getDevice:function (dev) { - return FS.devices[dev]; - },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; - } - - FS.syncFSRequests++; - - if (FS.syncFSRequests > 1) { - console.log('warning: ' + FS.syncFSRequests + ' FS.syncfs operations in flight at once, probably just doing extra work'); - } - - var mounts = FS.getMounts(FS.root.mount); - var completed = 0; - - function doCallback(err) { - assert(FS.syncFSRequests > 0); - FS.syncFSRequests--; - return callback(err); - } - - function done(err) { - if (err) { - if (!done.errored) { - done.errored = true; - return doCallback(err); - } - return; - } - if (++completed >= mounts.length) { - doCallback(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); - if (!name || name === '.' || name === '..') { - throw new FS.ErrnoError(ERRNO_CODES.EINVAL); - } - 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); - },mkdirTree:function (path, mode) { - var dirs = path.split('/'); - var d = ''; - for (var i = 0; i < dirs.length; ++i) { - if (!dirs[i]) continue; - d += '/' + dirs[i]; - try { - FS.mkdir(d, mode); - } catch(e) { - if (e.errno != ERRNO_CODES.EEXIST) throw e; - } - } - },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) { - if (!PATH.resolve(oldpath)) { - throw new FS.ErrnoError(ERRNO_CODES.ENOENT); - } - var lookup = FS.lookupPath(newpath, { parent: true }); - var parent = lookup.node; - if (!parent) { - throw new FS.ErrnoError(ERRNO_CODES.ENOENT); - } - 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); - } - if (!old_dir || !new_dir) throw new FS.ErrnoError(ERRNO_CODES.ENOENT); - // 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); - } - } - try { - if (FS.trackingDelegate['willMovePath']) { - FS.trackingDelegate['willMovePath'](old_path, new_path); - } - } catch(e) { - console.log("FS.trackingDelegate['willMovePath']('"+old_path+"', '"+new_path+"') threw an exception: " + e.message); - } - // 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); - } - try { - if (FS.trackingDelegate['onMovePath']) FS.trackingDelegate['onMovePath'](old_path, new_path); - } catch(e) { - console.log("FS.trackingDelegate['onMovePath']('"+old_path+"', '"+new_path+"') threw an exception: " + e.message); - } - },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); - } - try { - if (FS.trackingDelegate['willDeletePath']) { - FS.trackingDelegate['willDeletePath'](path); - } - } catch(e) { - console.log("FS.trackingDelegate['willDeletePath']('"+path+"') threw an exception: " + e.message); - } - parent.node_ops.rmdir(parent, name); - FS.destroyNode(node); - try { - if (FS.trackingDelegate['onDeletePath']) FS.trackingDelegate['onDeletePath'](path); - } catch(e) { - console.log("FS.trackingDelegate['onDeletePath']('"+path+"') threw an exception: " + e.message); - } - },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) { - // According to POSIX, we should map EISDIR to EPERM, but - // we instead do what Linux does (and we must, as we use - // the musl linux libc). - 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); - } - try { - if (FS.trackingDelegate['willDeletePath']) { - FS.trackingDelegate['willDeletePath'](path); - } - } catch(e) { - console.log("FS.trackingDelegate['willDeletePath']('"+path+"') threw an exception: " + e.message); - } - parent.node_ops.unlink(parent, name); - FS.destroyNode(node); - try { - if (FS.trackingDelegate['onDeletePath']) FS.trackingDelegate['onDeletePath'](path); - } catch(e) { - console.log("FS.trackingDelegate['onDeletePath']('"+path+"') threw an exception: " + e.message); - } - },readlink:function (path) { - var lookup = FS.lookupPath(path); - var link = lookup.node; - if (!link) { - throw new FS.ErrnoError(ERRNO_CODES.ENOENT); - } - if (!link.node_ops.readlink) { - throw new FS.ErrnoError(ERRNO_CODES.EINVAL); - } - return PATH.resolve(FS.getPath(link.parent), link.node_ops.readlink(link)); - },stat:function (path, dontFollow) { - var lookup = FS.lookupPath(path, { follow: !dontFollow }); - var node = lookup.node; - if (!node) { - throw new FS.ErrnoError(ERRNO_CODES.ENOENT); - } - 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) { - if (path === "") { - throw new FS.ErrnoError(ERRNO_CODES.ENOENT); - } - 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 - var created = false; - 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); - created = true; - } - } - if (!node) { - throw new FS.ErrnoError(ERRNO_CODES.ENOENT); - } - // can't truncate a device - if (FS.isChrdev(node.mode)) { - flags &= ~512; - } - // if asked only for a directory, then this must be one - if ((flags & 65536) && !FS.isDir(node.mode)) { - throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR); - } - // check permissions, if this is not a file we just created now (it is ok to - // create and write to a file with read-only permissions; it is read-only - // for later use) - if (!created) { - 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; - console.log("FS.trackingDelegate error on read file: " + path); - } - } - try { - if (FS.trackingDelegate['onOpenFile']) { - var trackingFlags = 0; - if ((flags & 2097155) !== 1) { - trackingFlags |= FS.tracking.openFlags.READ; - } - if ((flags & 2097155) !== 0) { - trackingFlags |= FS.tracking.openFlags.WRITE; - } - FS.trackingDelegate['onOpenFile'](path, trackingFlags); - } - } catch(e) { - console.log("FS.trackingDelegate['onOpenFile']('"+path+"', flags) threw an exception: " + e.message); - } - return stream; - },close:function (stream) { - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(ERRNO_CODES.EBADF); - } - if (stream.getdents) stream.getdents = null; // free readdir state - try { - if (stream.stream_ops.close) { - stream.stream_ops.close(stream); - } - } catch (e) { - throw e; - } finally { - FS.closeStream(stream.fd); - } - stream.fd = null; - },isClosed:function (stream) { - return stream.fd === null; - },llseek:function (stream, offset, whence) { - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(ERRNO_CODES.EBADF); - } - if (!stream.seekable || !stream.stream_ops.llseek) { - throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); - } - stream.position = stream.stream_ops.llseek(stream, offset, whence); - stream.ungotten = []; - return stream.position; - },read:function (stream, buffer, offset, length, position) { - if (length < 0 || position < 0) { - throw new FS.ErrnoError(ERRNO_CODES.EINVAL); - } - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(ERRNO_CODES.EBADF); - } - 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 = typeof position !== 'undefined'; - if (!seeking) { - position = stream.position; - } 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 (FS.isClosed(stream)) { - throw new FS.ErrnoError(ERRNO_CODES.EBADF); - } - 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); - } - if (stream.flags & 1024) { - // seek to the end before writing in append mode - FS.llseek(stream, 0, 2); - } - var seeking = typeof position !== 'undefined'; - if (!seeking) { - position = stream.position; - } else if (!stream.seekable) { - throw new FS.ErrnoError(ERRNO_CODES.ESPIPE); - } - var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); - if (!seeking) stream.position += bytesWritten; - try { - if (stream.path && FS.trackingDelegate['onWriteToFile']) FS.trackingDelegate['onWriteToFile'](stream.path); - } catch(e) { - console.log("FS.trackingDelegate['onWriteToFile']('"+path+"') threw an exception: " + e.message); - } - return bytesWritten; - },allocate:function (stream, offset, length) { - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(ERRNO_CODES.EBADF); - } - 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(stream.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); - },msync:function (stream, buffer, offset, length, mmapFlags) { - if (!stream || !stream.stream_ops.msync) { - return 0; - } - return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags); - },munmap:function (stream) { - return 0; - },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 = UTF8ArrayToString(buf, 0); - } else if (opts.encoding === 'binary') { - ret = buf; - } - FS.close(stream); - return ret; - },writeFile:function (path, data, opts) { - opts = opts || {}; - opts.flags = opts.flags || 'w'; - var stream = FS.open(path, opts.flags, opts.mode); - if (typeof data === 'string') { - var buf = new Uint8Array(lengthBytesUTF8(data)+1); - var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length); - FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn); - } else if (ArrayBuffer.isView(data)) { - FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn); - } else { - throw new Error('Unsupported data type'); - } - FS.close(stream); - },cwd:function () { - return FS.currentPath; - },chdir:function (path) { - var lookup = FS.lookupPath(path, { follow: true }); - if (lookup.node === null) { - throw new FS.ErrnoError(ERRNO_CODES.ENOENT); - } - 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'); - FS.mkdir('/home'); - FS.mkdir('/home/web_user'); - },createDefaultDevices:function () { - // create /dev - FS.mkdir('/dev'); - // setup /dev/null - FS.registerDevice(FS.makedev(1, 3), { - read: function() { return 0; }, - write: function(stream, buffer, offset, length, pos) { return length; } - }); - 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)); - // setup /dev/[u]random - var random_device; - if (typeof crypto !== 'undefined') { - // for modern web browsers - var randomBuffer = new Uint8Array(1); - random_device = function() { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; }; - } else if (ENVIRONMENT_IS_NODE) { - // for nodejs - random_device = function() { return require('crypto')['randomBytes'](1)[0]; }; - } else { - // default for ES5 platforms - random_device = function() { abort("random_device"); /*Math.random() is not safe for random number generation, so this fallback random_device implementation aborts... see kripken/emscripten/pull/7096 */ }; - } - FS.createDevice('/dev', 'random', random_device); - FS.createDevice('/dev', 'urandom', random_device); - // 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'); - },createSpecialDirectories:function () { - // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the name of the stream for fd 6 (see test_unistd_ttyname) - FS.mkdir('/proc'); - FS.mkdir('/proc/self'); - FS.mkdir('/proc/self/fd'); - FS.mount({ - mount: function() { - var node = FS.createNode('/proc/self', 'fd', 16384 | 511 /* 0777 */, 73); - node.node_ops = { - lookup: function(parent, name) { - var fd = +name; - var stream = FS.getStream(fd); - if (!stream) throw new FS.ErrnoError(ERRNO_CODES.EBADF); - var ret = { - parent: null, - mount: { mountpoint: 'fake' }, - node_ops: { readlink: function() { return stream.path } } - }; - ret.parent = ret; // make it look like a simple root node - return ret; - } - }; - return node; - } - }, {}, '/proc/self/fd'); - },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'); - assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')'); - - var stdout = FS.open('/dev/stdout', 'w'); - assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')'); - - var stderr = FS.open('/dev/stderr', 'w'); - assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')'); - },ensureErrnoError:function () { - if (FS.ErrnoError) return; - FS.ErrnoError = function ErrnoError(errno, node) { - this.node = node; - this.setErrno = function(errno) { - this.errno = errno; - for (var key in ERRNO_CODES) { - if (ERRNO_CODES[key] === errno) { - this.code = key; - break; - } - } - }; - this.setErrno(errno); - this.message = ERRNO_MESSAGES[errno]; - // Node.js compatibility: assigning on this.stack fails on Node 4 (but fixed on Node 8) - if (this.stack) Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true }); - }; - 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 = ''; - }); - },staticInit:function () { - FS.ensureErrnoError(); - - FS.nameTable = new Array(4096); - - FS.mount(MEMFS, {}, '/'); - - FS.createDefaultDirectories(); - FS.createDefaultDevices(); - FS.createSpecialDirectories(); - - FS.filesystems = { - 'MEMFS': MEMFS, - 'IDBFS': IDBFS, - 'NODEFS': NODEFS, - 'WORKERFS': WORKERFS, - }; - },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; - // force-flush all streams, so we get musl std streams printed out - var fflush = Module['_fflush']; - if (fflush) fflush(0); - // close all of our streams - 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); - obj.usedBytes = obj.contents.length; - } 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 = (idx / this.chunkSize)|0; - return this.getter(chunkNum)[chunkOffset]; - } - LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) { - this.getter = getter; - } - LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() { - // 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 usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip"; - - 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]; - }); - - if (usesGzip || !datalength) { - // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length - chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file - datalength = this.getter(0).length; - chunkSize = datalength; - console.log("LazyFiles on gzip forces download of the whole file when length is accessed"); - } - - this._length = datalength; - this._chunkSize = chunkSize; - this.lengthKnown = true; - } - if (typeof XMLHttpRequest !== 'undefined') { - if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc'; - var lazyArray = new LazyUint8Array(); - Object.defineProperties(lazyArray, { - length: { - get: function() { - if(!this.lengthKnown) { - this.cacheLength(); - } - return this._length; - } - }, - 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; - } - // Add a function that defers querying the file size until it is asked the first time. - Object.defineProperties(node, { - usedBytes: { - get: function() { return this.contents.length; } - } - }); - // 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, preFinish) { - Browser.init(); // XXX perhaps this method should move onto Browser? - // 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; - var dep = getUniqueRunDependency('cp ' + fullname); // might have several active requests for the same fullname - function processData(byteArray) { - function finish(byteArray) { - if (preFinish) preFinish(); - if (!dontCreateFile) { - FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); - } - if (onload) onload(); - removeRunDependency(dep); - } - var handled = false; - Module['preloadPlugins'].forEach(function(plugin) { - if (handled) return; - if (plugin['canHandle'](fullname)) { - plugin['handle'](byteArray, fullname, finish, function() { - if (onerror) onerror(); - removeRunDependency(dep); - }); - handled = true; - } - }); - if (!handled) finish(byteArray); - } - addRunDependency(dep); - if (typeof url == 'string') { - Browser.asyncLoad(url, function(byteArray) { - processData(byteArray); - }, onerror); - } else { - processData(url); - } - },indexedDB:function () { - return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; - },DB_NAME:function () { - return 'EM_FS_' + window.location.pathname; - },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:function (paths, onload, onerror) { - onload = onload || function(){}; - onerror = onerror || function(){}; - var indexedDB = FS.indexedDB(); - try { - var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); - } catch (e) { - return onerror(e); - } - openRequest.onupgradeneeded = function openRequest_onupgradeneeded() { - console.log('creating db'); - var db = openRequest.result; - db.createObjectStore(FS.DB_STORE_NAME); - }; - openRequest.onsuccess = function openRequest_onsuccess() { - var db = openRequest.result; - var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite'); - var files = transaction.objectStore(FS.DB_STORE_NAME); - var ok = 0, fail = 0, total = paths.length; - function finish() { - if (fail == 0) onload(); else onerror(); - } - paths.forEach(function(path) { - var putRequest = files.put(FS.analyzePath(path).object.contents, path); - putRequest.onsuccess = function putRequest_onsuccess() { ok++; if (ok + fail == total) finish() }; - putRequest.onerror = function putRequest_onerror() { fail++; if (ok + fail == total) finish() }; - }); - transaction.onerror = onerror; - }; - openRequest.onerror = onerror; - },loadFilesFromDB:function (paths, onload, onerror) { - onload = onload || function(){}; - onerror = onerror || function(){}; - var indexedDB = FS.indexedDB(); - try { - var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); - } catch (e) { - return onerror(e); - } - openRequest.onupgradeneeded = onerror; // no database to load from - openRequest.onsuccess = function openRequest_onsuccess() { - var db = openRequest.result; - try { - var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly'); - } catch(e) { - onerror(e); - return; - } - var files = transaction.objectStore(FS.DB_STORE_NAME); - var ok = 0, fail = 0, total = paths.length; - function finish() { - if (fail == 0) onload(); else onerror(); - } - paths.forEach(function(path) { - var getRequest = files.get(path); - getRequest.onsuccess = function getRequest_onsuccess() { - if (FS.analyzePath(path).exists) { - FS.unlink(path); - } - FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true); - ok++; - if (ok + fail == total) finish(); - }; - getRequest.onerror = function getRequest_onerror() { fail++; if (ok + fail == total) finish() }; - }); - transaction.onerror = onerror; - }; - openRequest.onerror = onerror; - }}; - - - - function _emscripten_set_main_loop_timing(mode, value) { - Browser.mainLoop.timingMode = mode; - Browser.mainLoop.timingValue = value; - - if (!Browser.mainLoop.func) { - return 1; // Return non-zero on failure, can't set timing mode when there is no main loop. - } - - if (mode == 0 /*EM_TIMING_SETTIMEOUT*/) { - Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() { - var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now())|0; - setTimeout(Browser.mainLoop.runner, timeUntilNextTick); // doing this each time means that on exception, we stop - }; - Browser.mainLoop.method = 'timeout'; - } else if (mode == 1 /*EM_TIMING_RAF*/) { - Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() { - Browser.requestAnimationFrame(Browser.mainLoop.runner); - }; - Browser.mainLoop.method = 'rAF'; - } else if (mode == 2 /*EM_TIMING_SETIMMEDIATE*/) { - if (typeof setImmediate === 'undefined') { - // Emulate setImmediate. (note: not a complete polyfill, we don't emulate clearImmediate() to keep code size to minimum, since not needed) - var setImmediates = []; - var emscriptenMainLoopMessageId = 'setimmediate'; - function Browser_setImmediate_messageHandler(event) { - // When called in current thread or Worker, the main loop ID is structured slightly different to accommodate for --proxy-to-worker runtime listening to Worker events, - // so check for both cases. - if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) { - event.stopPropagation(); - setImmediates.shift()(); - } - } - addEventListener("message", Browser_setImmediate_messageHandler, true); - setImmediate = function Browser_emulated_setImmediate(func) { - setImmediates.push(func); - if (ENVIRONMENT_IS_WORKER) { - if (Module['setImmediates'] === undefined) Module['setImmediates'] = []; - Module['setImmediates'].push(func); - postMessage({target: emscriptenMainLoopMessageId}); // In --proxy-to-worker, route the message via proxyClient.js - } else postMessage(emscriptenMainLoopMessageId, "*"); // On the main thread, can just send the message to itself. - } - } - Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() { - setImmediate(Browser.mainLoop.runner); - }; - Browser.mainLoop.method = 'immediate'; - } - return 0; - } - - function _emscripten_get_now() { abort() }function _emscripten_set_main_loop(func, fps, simulateInfiniteLoop, arg, noSetTiming) { - Module['noExitRuntime'] = true; - - assert(!Browser.mainLoop.func, 'emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.'); - - Browser.mainLoop.func = func; - Browser.mainLoop.arg = arg; - - var browserIterationFunc; - if (typeof arg !== 'undefined') { - browserIterationFunc = function() { - Module['dynCall_vi'](func, arg); - }; - } else { - browserIterationFunc = function() { - Module['dynCall_v'](func); - }; - } - - var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop; - - Browser.mainLoop.runner = function Browser_mainLoop_runner() { - if (ABORT) return; - if (Browser.mainLoop.queue.length > 0) { - var start = Date.now(); - var blocker = Browser.mainLoop.queue.shift(); - blocker.func(blocker.arg); - if (Browser.mainLoop.remainingBlockers) { - var remaining = Browser.mainLoop.remainingBlockers; - var next = remaining%1 == 0 ? remaining-1 : Math.floor(remaining); - if (blocker.counted) { - Browser.mainLoop.remainingBlockers = next; - } else { - // not counted, but move the progress along a tiny bit - next = next + 0.5; // do not steal all the next one's progress - Browser.mainLoop.remainingBlockers = (8*remaining + next)/9; - } - } - console.log('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + ' ms'); //, left: ' + Browser.mainLoop.remainingBlockers); - Browser.mainLoop.updateStatus(); - - // catches pause/resume main loop from blocker execution - if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return; - - setTimeout(Browser.mainLoop.runner, 0); - return; - } - - // catch pauses from non-main loop sources - if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return; - - // Implement very basic swap interval control - Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0; - if (Browser.mainLoop.timingMode == 1/*EM_TIMING_RAF*/ && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) { - // Not the scheduled time to render this frame - skip. - Browser.mainLoop.scheduler(); - return; - } else if (Browser.mainLoop.timingMode == 0/*EM_TIMING_SETTIMEOUT*/) { - Browser.mainLoop.tickStartTime = _emscripten_get_now(); - } - - // Signal GL rendering layer that processing of a new frame is about to start. This helps it optimize - // VBO double-buffering and reduce GPU stalls. - - - - if (Browser.mainLoop.method === 'timeout' && Module.ctx) { - err('Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!'); - Browser.mainLoop.method = ''; // just warn once per call to set main loop - } - - Browser.mainLoop.runIter(browserIterationFunc); - - - // catch pauses from the main loop itself - if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return; - - // Queue new audio data. This is important to be right after the main loop invocation, so that we will immediately be able - // to queue the newest produced audio samples. - // TODO: Consider adding pre- and post- rAF callbacks so that GL.newRenderingFrameStarted() and SDL.audio.queueNewAudioData() - // do not need to be hardcoded into this function, but can be more generic. - if (typeof SDL === 'object' && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData(); - - Browser.mainLoop.scheduler(); - } - - if (!noSetTiming) { - if (fps && fps > 0) _emscripten_set_main_loop_timing(0/*EM_TIMING_SETTIMEOUT*/, 1000.0 / fps); - else _emscripten_set_main_loop_timing(1/*EM_TIMING_RAF*/, 1); // Do rAF by rendering each frame (no decimating) - - Browser.mainLoop.scheduler(); - } - - if (simulateInfiniteLoop) { - throw 'SimulateInfiniteLoop'; - } - }var Browser={mainLoop:{scheduler:null,method:"",currentlyRunningMainloop:0,func:null,arg:0,timingMode:0,timingValue:0,currentFrameNumber:0,queue:[],pause:function () { - Browser.mainLoop.scheduler = null; - Browser.mainLoop.currentlyRunningMainloop++; // Incrementing this signals the previous main loop that it's now become old, and it must return. - },resume:function () { - Browser.mainLoop.currentlyRunningMainloop++; - var timingMode = Browser.mainLoop.timingMode; - var timingValue = Browser.mainLoop.timingValue; - var func = Browser.mainLoop.func; - Browser.mainLoop.func = null; - _emscripten_set_main_loop(func, 0, false, Browser.mainLoop.arg, true /* do not set timing and call scheduler, we will do it on the next lines */); - _emscripten_set_main_loop_timing(timingMode, timingValue); - Browser.mainLoop.scheduler(); - },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'](''); - } - } - },runIter:function (func) { - if (ABORT) return; - if (Module['preMainLoop']) { - var preRet = Module['preMainLoop'](); - if (preRet === false) { - return; // |return false| skips a frame - } - } - try { - func(); - } catch (e) { - if (e instanceof ExitStatus) { - return; - } else { - if (e && typeof e === 'object' && e.stack) err('exception thrown: ' + [e, e.stack]); - throw e; - } - } - if (Module['postMainLoop']) Module['postMainLoop'](); - }},isFullscreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function () { - if (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs to exist even in workers - - if (Browser.initted) return; - Browser.initted = true; - - try { - new Blob(); - Browser.hasBlobConstructor = true; - } catch(e) { - Browser.hasBlobConstructor = false; - console.log("warning: no blob constructor, cannot create blobs with mimetypes"); - } - Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : (typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : (!Browser.hasBlobConstructor ? console.log("warning: no BlobBuilder") : null)); - Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.URL : window.webkitURL) : 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) { - 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 - - function pointerLockChange() { - Browser.pointerLock = document['pointerLockElement'] === Module['canvas'] || - document['mozPointerLockElement'] === Module['canvas'] || - document['webkitPointerLockElement'] === Module['canvas'] || - document['msPointerLockElement'] === Module['canvas']; - } - var canvas = Module['canvas']; - if (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); - - 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 && Module['canvas'].requestPointerLock) { - Module['canvas'].requestPointerLock(); - ev.preventDefault(); - } - }, false); - } - } - },createContext:function (canvas, useWebGL, setInModule, webGLContextAttributes) { - if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx; // no need to recreate GL context if it's already been created for this canvas. - - var ctx; - var contextHandle; - if (useWebGL) { - // For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults. - var contextAttributes = { - antialias: false, - alpha: false - }; - - if (webGLContextAttributes) { - for (var attribute in webGLContextAttributes) { - contextAttributes[attribute] = webGLContextAttributes[attribute]; - } - } - - contextHandle = GL.createContext(canvas, contextAttributes); - if (contextHandle) { - ctx = GL.getContext(contextHandle).GLctx; - } - } else { - ctx = canvas.getContext('2d'); - } - - if (!ctx) return null; - - if (setInModule) { - if (!useWebGL) assert(typeof GLctx === 'undefined', 'cannot set in module if GLctx is used, but we are a non-GL context that would replace it'); - - Module.ctx = ctx; - if (useWebGL) GL.makeContextCurrent(contextHandle); - 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, vrDevice) { - Browser.lockPointer = lockPointer; - Browser.resizeCanvas = resizeCanvas; - Browser.vrDevice = vrDevice; - if (typeof Browser.lockPointer === 'undefined') Browser.lockPointer = true; - if (typeof Browser.resizeCanvas === 'undefined') Browser.resizeCanvas = false; - if (typeof Browser.vrDevice === 'undefined') Browser.vrDevice = null; - - var canvas = Module['canvas']; - function fullscreenChange() { - Browser.isFullscreen = false; - var canvasContainer = canvas.parentNode; - if ((document['fullscreenElement'] || document['mozFullScreenElement'] || - document['msFullscreenElement'] || document['webkitFullscreenElement'] || - document['webkitCurrentFullScreenElement']) === canvasContainer) { - canvas.exitFullscreen = document['exitFullscreen'] || - document['cancelFullScreen'] || - document['mozCancelFullScreen'] || - document['msExitFullscreen'] || - document['webkitCancelFullScreen'] || - function() {}; - canvas.exitFullscreen = canvas.exitFullscreen.bind(document); - if (Browser.lockPointer) canvas.requestPointerLock(); - Browser.isFullscreen = true; - if (Browser.resizeCanvas) { - Browser.setFullscreenCanvasSize(); - } else { - Browser.updateCanvasDimensions(canvas); - } - } 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(); - } else { - Browser.updateCanvasDimensions(canvas); - } - } - if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullscreen); - if (Module['onFullscreen']) Module['onFullscreen'](Browser.isFullscreen); - } - - if (!Browser.fullscreenHandlersInstalled) { - Browser.fullscreenHandlersInstalled = true; - document.addEventListener('fullscreenchange', fullscreenChange, false); - document.addEventListener('mozfullscreenchange', fullscreenChange, false); - document.addEventListener('webkitfullscreenchange', fullscreenChange, false); - 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['webkitRequestFullScreen'] ? function() { canvasContainer['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null); - - if (vrDevice) { - canvasContainer.requestFullscreen({ vrDisplay: vrDevice }); - } else { - canvasContainer.requestFullscreen(); - } - },requestFullScreen:function (lockPointer, resizeCanvas, vrDevice) { - err('Browser.requestFullScreen() is deprecated. Please call Browser.requestFullscreen instead.'); - Browser.requestFullScreen = function(lockPointer, resizeCanvas, vrDevice) { - return Browser.requestFullscreen(lockPointer, resizeCanvas, vrDevice); - } - return Browser.requestFullscreen(lockPointer, resizeCanvas, vrDevice); - },nextRAF:0,fakeRequestAnimationFrame:function (func) { - // try to keep 60fps between calls to here - var now = Date.now(); - if (Browser.nextRAF === 0) { - Browser.nextRAF = now + 1000/60; - } else { - while (now + 2 >= Browser.nextRAF) { // fudge a little, to avoid timer jitter causing us to do lots of delay:0 - Browser.nextRAF += 1000/60; - } - } - var delay = Math.max(Browser.nextRAF - now, 0); - setTimeout(func, delay); - },requestAnimationFrame:function requestAnimationFrame(func) { - if (typeof window === 'undefined') { // Provide fallback to setTimeout if window is undefined (e.g. in Node.js) - Browser.fakeRequestAnimationFrame(func); - } else { - if (!window.requestAnimationFrame) { - window.requestAnimationFrame = window['requestAnimationFrame'] || - window['mozRequestAnimationFrame'] || - window['webkitRequestAnimationFrame'] || - window['msRequestAnimationFrame'] || - window['oRequestAnimationFrame'] || - Browser.fakeRequestAnimationFrame; - } - window.requestAnimationFrame(func); - } - },safeCallback:function (func) { - return function() { - if (!ABORT) return func.apply(null, arguments); - }; - },allowAsyncCallbacks:true,queuedAsyncCallbacks:[],pauseAsyncCallbacks:function () { - Browser.allowAsyncCallbacks = false; - },resumeAsyncCallbacks:function () { // marks future callbacks as ok to execute, and synchronously runs any remaining ones right now - Browser.allowAsyncCallbacks = true; - if (Browser.queuedAsyncCallbacks.length > 0) { - var callbacks = Browser.queuedAsyncCallbacks; - Browser.queuedAsyncCallbacks = []; - callbacks.forEach(function(func) { - func(); - }); - } - },safeRequestAnimationFrame:function (func) { - return Browser.requestAnimationFrame(function() { - if (ABORT) return; - if (Browser.allowAsyncCallbacks) { - func(); - } else { - Browser.queuedAsyncCallbacks.push(func); - } - }); - },safeSetTimeout:function (func, timeout) { - Module['noExitRuntime'] = true; - return setTimeout(function() { - if (ABORT) return; - if (Browser.allowAsyncCallbacks) { - func(); - } else { - Browser.queuedAsyncCallbacks.push(func); - } - }, timeout); - },safeSetInterval:function (func, timeout) { - Module['noExitRuntime'] = true; - return setInterval(function() { - if (ABORT) return; - if (Browser.allowAsyncCallbacks) { - func(); - } // drop it on the floor otherwise, next interval will kick in - }, 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) { - var delta = 0; - switch (event.type) { - case 'DOMMouseScroll': - delta = event.detail; - break; - case 'mousewheel': - delta = event.wheelDelta; - break; - case 'wheel': - delta = event['deltaY']; - break; - default: - throw 'unrecognized mouse wheel event: ' + event.type; - } - return delta; - },mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,touches:{},lastTouches:{},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 cw = Module["canvas"].width; - var ch = Module["canvas"].height; - - // 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 touch = event.touch; - if (touch === undefined) { - return; // the "touch" property is only defined in SDL - - } - var adjustedX = touch.pageX - (scrollX + rect.left); - var adjustedY = touch.pageY - (scrollY + rect.top); - - adjustedX = adjustedX * (cw / rect.width); - adjustedY = adjustedY * (ch / rect.height); - - var coords = { x: adjustedX, y: adjustedY }; - - if (event.type === 'touchstart') { - Browser.lastTouches[touch.identifier] = coords; - Browser.touches[touch.identifier] = coords; - } else if (event.type === 'touchend' || event.type === 'touchmove') { - var last = Browser.touches[touch.identifier]; - if (!last) last = coords; - Browser.lastTouches[touch.identifier] = last; - Browser.touches[touch.identifier] = coords; - } - return; - } - - var x = event.pageX - (scrollX + rect.left); - var 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. - 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; - } - },asyncLoad:function (url, onload, onerror, noRunDep) { - var dep = !noRunDep ? getUniqueRunDependency('al ' + url) : ''; - Module['readAsync'](url, function(arrayBuffer) { - assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).'); - onload(new Uint8Array(arrayBuffer)); - if (dep) removeRunDependency(dep); - }, function(event) { - if (onerror) { - onerror(); - } else { - throw 'Loading data file "' + url + '" failed.'; - } - }); - if (dep) addRunDependency(dep); - },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)>>2)]; - flags = flags | 0x00800000; // set SDL_FULLSCREEN flag - HEAP32[((SDL.screen)>>2)]=flags - } - Browser.updateCanvasDimensions(Module['canvas']); - Browser.updateResizeListeners(); - },setWindowedCanvasSize:function () { - // check if SDL is available - if (typeof SDL != "undefined") { - var flags = HEAPU32[((SDL.screen)>>2)]; - flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag - HEAP32[((SDL.screen)>>2)]=flags - } - Browser.updateCanvasDimensions(Module['canvas']); - 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['fullscreenElement'] || document['mozFullScreenElement'] || - document['msFullscreenElement'] || document['webkitFullscreenElement'] || - 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"); - } - } - } - },wgetRequests:{},nextWgetRequestHandle:0,getNextWgetRequestHandle:function () { - var handle = Browser.nextWgetRequestHandle; - Browser.nextWgetRequestHandle++; - return handle; - }}; - - function _SDL_GetTicks() { - return (Date.now() - SDL.startTime)|0; - } - - function _SDL_LockSurface(surf) { - var surfData = SDL.surfaces[surf]; - - surfData.locked++; - if (surfData.locked > 1) return 0; - - if (!surfData.buffer) { - surfData.buffer = _malloc(surfData.width * surfData.height * 4); - HEAP32[(((surf)+(20))>>2)]=surfData.buffer; - } - - // Mark in C/C++-accessible SDL structure - // SDL_Surface has the following fields: Uint32 flags, SDL_PixelFormat *format; int w, h; Uint16 pitch; void *pixels; ... - // So we have fields all of the same size, and 5 of them before us. - // TODO: Use macros like in library.js - HEAP32[(((surf)+(20))>>2)]=surfData.buffer; - - if (surf == SDL.screen && Module.screenIsReadOnly && surfData.image) return 0; - - if (SDL.defaults.discardOnLock) { - if (!surfData.image) { - surfData.image = surfData.ctx.createImageData(surfData.width, surfData.height); - } - if (!SDL.defaults.opaqueFrontBuffer) return; - } else { - surfData.image = surfData.ctx.getImageData(0, 0, surfData.width, surfData.height); - } - - // Emulate desktop behavior and kill alpha values on the locked surface. (very costly!) Set SDL.defaults.opaqueFrontBuffer = false - // if you don't want this. - if (surf == SDL.screen && SDL.defaults.opaqueFrontBuffer) { - var data = surfData.image.data; - var num = data.length; - for (var i = 0; i < num/4; i++) { - data[i*4+3] = 255; // opacity, as canvases blend alpha - } - } - - if (SDL.defaults.copyOnLock && !SDL.defaults.discardOnLock) { - // Copy pixel data to somewhere accessible to 'C/C++' - if (surfData.isFlagSet(0x00200000 /* SDL_HWPALETTE */)) { - // If this is neaded then - // we should compact the data from 32bpp to 8bpp index. - // I think best way to implement this is use - // additional colorMap hash (color->index). - // Something like this: - // - // var size = surfData.width * surfData.height; - // var data = ''; - // for (var i = 0; i>0)]=index; - // } - throw 'CopyOnLock is not supported for SDL_LockSurface with SDL_HWPALETTE flag set' + new Error().stack; - } else { - HEAPU8.set(surfData.image.data, surfData.buffer); - } - } - - return 0; - }var SDL={defaults:{width:320,height:200,copyOnLock:true,discardOnLock:false,opaqueFrontBuffer:true},version:null,surfaces:{},canvasPool:[],events:[],fonts:[null],audios:[null],rwops:[null],music:{audio:null,volume:1},mixerFrequency:22050,mixerFormat:32784,mixerNumChannels:2,mixerChunkSize:1024,channelMinimumNumber:0,GL:false,glAttributes:{0:3,1:3,2:2,3:0,4:0,5:1,6:16,7:0,8:0,9:0,10:0,11:0,12:0,13:0,14:0,15:1,16:0,17:0,18:0},keyboardState:null,keyboardMap:{},canRequestFullscreen:false,isRequestingFullscreen:false,textInput:false,startTime:null,initFlags:0,buttonState:0,modState:0,DOMButtons:[0,0,0],DOMEventToSDLEvent:{},TOUCH_DEFAULT_ID:0,eventHandler:null,eventHandlerContext:null,eventHandlerTemp:0,keyCodes:{16:1249,17:1248,18:1250,20:1081,33:1099,34:1102,35:1101,36:1098,37:1104,38:1106,39:1103,40:1105,44:316,45:1097,46:127,91:1251,93:1125,96:1122,97:1113,98:1114,99:1115,100:1116,101:1117,102:1118,103:1119,104:1120,105:1121,106:1109,107:1111,109:1110,110:1123,111:1108,112:1082,113:1083,114:1084,115:1085,116:1086,117:1087,118:1088,119:1089,120:1090,121:1091,122:1092,123:1093,124:1128,125:1129,126:1130,127:1131,128:1132,129:1133,130:1134,131:1135,132:1136,133:1137,134:1138,135:1139,144:1107,160:94,161:33,162:34,163:35,164:36,165:37,166:38,167:95,168:40,169:41,170:42,171:43,172:124,173:45,174:123,175:125,176:126,181:127,182:129,183:128,188:44,190:46,191:47,192:96,219:91,220:92,221:93,222:39,224:1251},scanCodes:{8:42,9:43,13:40,27:41,32:44,35:204,39:53,44:54,46:55,47:56,48:39,49:30,50:31,51:32,52:33,53:34,54:35,55:36,56:37,57:38,58:203,59:51,61:46,91:47,92:49,93:48,96:52,97:4,98:5,99:6,100:7,101:8,102:9,103:10,104:11,105:12,106:13,107:14,108:15,109:16,110:17,111:18,112:19,113:20,114:21,115:22,116:23,117:24,118:25,119:26,120:27,121:28,122:29,127:76,305:224,308:226,316:70},loadRect:function (rect) { - return { - x: HEAP32[((rect + 0)>>2)], - y: HEAP32[((rect + 4)>>2)], - w: HEAP32[((rect + 8)>>2)], - h: HEAP32[((rect + 12)>>2)] - }; - },updateRect:function (rect, r) { - HEAP32[((rect)>>2)]=r.x; - HEAP32[(((rect)+(4))>>2)]=r.y; - HEAP32[(((rect)+(8))>>2)]=r.w; - HEAP32[(((rect)+(12))>>2)]=r.h; - },intersectionOfRects:function (first, second) { - var leftX = Math.max(first.x, second.x); - var leftY = Math.max(first.y, second.y); - var rightX = Math.min(first.x + first.w, second.x + second.w); - var rightY = Math.min(first.y + first.h, second.y + second.h); - - return { - x: leftX, - y: leftY, - w: Math.max(leftX, rightX) - leftX, - h: Math.max(leftY, rightY) - leftY - } - },checkPixelFormat:function (fmt) { - },loadColorToCSSRGB:function (color) { - var rgba = HEAP32[((color)>>2)]; - return 'rgb(' + (rgba&255) + ',' + ((rgba >> 8)&255) + ',' + ((rgba >> 16)&255) + ')'; - },loadColorToCSSRGBA:function (color) { - var rgba = HEAP32[((color)>>2)]; - return 'rgba(' + (rgba&255) + ',' + ((rgba >> 8)&255) + ',' + ((rgba >> 16)&255) + ',' + (((rgba >> 24)&255)/255) + ')'; - },translateColorToCSSRGBA:function (rgba) { - return 'rgba(' + (rgba&0xff) + ',' + (rgba>>8 & 0xff) + ',' + (rgba>>16 & 0xff) + ',' + (rgba>>>24)/0xff + ')'; - },translateRGBAToCSSRGBA:function (r, g, b, a) { - return 'rgba(' + (r&0xff) + ',' + (g&0xff) + ',' + (b&0xff) + ',' + (a&0xff)/255 + ')'; - },translateRGBAToColor:function (r, g, b, a) { - return r | g << 8 | b << 16 | a << 24; - },makeSurface:function (width, height, flags, usePageCanvas, source, rmask, gmask, bmask, amask) { - flags = flags || 0; - var is_SDL_HWSURFACE = flags & 0x00000001; - var is_SDL_HWPALETTE = flags & 0x00200000; - var is_SDL_OPENGL = flags & 0x04000000; - - var surf = _malloc(60); - var pixelFormat = _malloc(44); - //surface with SDL_HWPALETTE flag is 8bpp surface (1 byte) - var bpp = is_SDL_HWPALETTE ? 1 : 4; - var buffer = 0; - - // preemptively initialize this for software surfaces, - // otherwise it will be lazily initialized inside of SDL_LockSurface - if (!is_SDL_HWSURFACE && !is_SDL_OPENGL) { - buffer = _malloc(width * height * 4); - } - - HEAP32[((surf)>>2)]=flags; - HEAP32[(((surf)+(4))>>2)]=pixelFormat; - HEAP32[(((surf)+(8))>>2)]=width; - HEAP32[(((surf)+(12))>>2)]=height; - HEAP32[(((surf)+(16))>>2)]=width * bpp; // assuming RGBA or indexed for now, - // since that is what ImageData gives us in browsers - HEAP32[(((surf)+(20))>>2)]=buffer; - - HEAP32[(((surf)+(36))>>2)]=0; - HEAP32[(((surf)+(40))>>2)]=0; - HEAP32[(((surf)+(44))>>2)]=Module["canvas"].width; - HEAP32[(((surf)+(48))>>2)]=Module["canvas"].height; - - HEAP32[(((surf)+(56))>>2)]=1; - - HEAP32[((pixelFormat)>>2)]=-2042224636; - HEAP32[(((pixelFormat)+(4))>>2)]=0;// TODO - HEAP8[(((pixelFormat)+(8))>>0)]=bpp * 8; - HEAP8[(((pixelFormat)+(9))>>0)]=bpp; - - HEAP32[(((pixelFormat)+(12))>>2)]=rmask || 0x000000ff; - HEAP32[(((pixelFormat)+(16))>>2)]=gmask || 0x0000ff00; - HEAP32[(((pixelFormat)+(20))>>2)]=bmask || 0x00ff0000; - HEAP32[(((pixelFormat)+(24))>>2)]=amask || 0xff000000; - - // Decide if we want to use WebGL or not - SDL.GL = SDL.GL || is_SDL_OPENGL; - var canvas; - if (!usePageCanvas) { - if (SDL.canvasPool.length > 0) { - canvas = SDL.canvasPool.pop(); - } else { - canvas = document.createElement('canvas'); - } - canvas.width = width; - canvas.height = height; - } else { - canvas = Module['canvas']; - } - - var webGLContextAttributes = { - antialias: ((SDL.glAttributes[13 /*SDL_GL_MULTISAMPLEBUFFERS*/] != 0) && (SDL.glAttributes[14 /*SDL_GL_MULTISAMPLESAMPLES*/] > 1)), - depth: (SDL.glAttributes[6 /*SDL_GL_DEPTH_SIZE*/] > 0), - stencil: (SDL.glAttributes[7 /*SDL_GL_STENCIL_SIZE*/] > 0), - alpha: (SDL.glAttributes[3 /*SDL_GL_ALPHA_SIZE*/] > 0) - }; - - var ctx = Browser.createContext(canvas, is_SDL_OPENGL, usePageCanvas, webGLContextAttributes); - - SDL.surfaces[surf] = { - width: width, - height: height, - canvas: canvas, - ctx: ctx, - surf: surf, - buffer: buffer, - pixelFormat: pixelFormat, - alpha: 255, - flags: flags, - locked: 0, - usePageCanvas: usePageCanvas, - source: source, - - isFlagSet: function(flag) { - return flags & flag; - } - }; - - return surf; - },copyIndexedColorData:function (surfData, rX, rY, rW, rH) { - // HWPALETTE works with palette - // setted by SDL_SetColors - if (!surfData.colors) { - return; - } - - var fullWidth = Module['canvas'].width; - var fullHeight = Module['canvas'].height; - - var startX = rX || 0; - var startY = rY || 0; - var endX = (rW || (fullWidth - startX)) + startX; - var endY = (rH || (fullHeight - startY)) + startY; - - var buffer = surfData.buffer; - - if (!surfData.image.data32) { - surfData.image.data32 = new Uint32Array(surfData.image.data.buffer); - } - var data32 = surfData.image.data32; - - var colors32 = surfData.colors32; - - for (var y = startY; y < endY; ++y) { - var base = y * fullWidth; - for (var x = startX; x < endX; ++x) { - data32[base + x] = colors32[HEAPU8[((buffer + base + x)>>0)]]; - } - } - },freeSurface:function (surf) { - var refcountPointer = surf + 56; - var refcount = HEAP32[((refcountPointer)>>2)]; - if (refcount > 1) { - HEAP32[((refcountPointer)>>2)]=refcount - 1; - return; - } - - var info = SDL.surfaces[surf]; - if (!info.usePageCanvas && info.canvas) SDL.canvasPool.push(info.canvas); - if (info.buffer) _free(info.buffer); - _free(info.pixelFormat); - _free(surf); - SDL.surfaces[surf] = null; - - if (surf === SDL.screen) { - SDL.screen = null; - } - },blitSurface:function (src, srcrect, dst, dstrect, scale) { - var srcData = SDL.surfaces[src]; - var dstData = SDL.surfaces[dst]; - var sr, dr; - if (srcrect) { - sr = SDL.loadRect(srcrect); - } else { - sr = { x: 0, y: 0, w: srcData.width, h: srcData.height }; - } - if (dstrect) { - dr = SDL.loadRect(dstrect); - } else { - dr = { x: 0, y: 0, w: srcData.width, h: srcData.height }; - } - if (dstData.clipRect) { - var widthScale = (!scale || sr.w === 0) ? 1 : sr.w / dr.w; - var heightScale = (!scale || sr.h === 0) ? 1 : sr.h / dr.h; - - dr = SDL.intersectionOfRects(dstData.clipRect, dr); - - sr.w = dr.w * widthScale; - sr.h = dr.h * heightScale; - - if (dstrect) { - SDL.updateRect(dstrect, dr); - } - } - var blitw, blith; - if (scale) { - blitw = dr.w; blith = dr.h; - } else { - blitw = sr.w; blith = sr.h; - } - if (sr.w === 0 || sr.h === 0 || blitw === 0 || blith === 0) { - return 0; - } - var oldAlpha = dstData.ctx.globalAlpha; - dstData.ctx.globalAlpha = srcData.alpha/255; - dstData.ctx.drawImage(srcData.canvas, sr.x, sr.y, sr.w, sr.h, dr.x, dr.y, blitw, blith); - dstData.ctx.globalAlpha = oldAlpha; - if (dst != SDL.screen) { - // XXX As in IMG_Load, for compatibility we write out |pixels| - warnOnce('WARNING: copying canvas data to memory for compatibility'); - _SDL_LockSurface(dst); - dstData.locked--; // The surface is not actually locked in this hack - } - return 0; - },downFingers:{},savedKeydown:null,receiveEvent:function (event) { - function unpressAllPressedKeys() { - // Un-press all pressed keys: TODO - for (var code in SDL.keyboardMap) { - SDL.events.push({ - type: 'keyup', - keyCode: SDL.keyboardMap[code] - }); - } - }; - switch(event.type) { - case 'touchstart': case 'touchmove': { - event.preventDefault(); - - var touches = []; - - // Clear out any touchstart events that we've already processed - if (event.type === 'touchstart') { - for (var i = 0; i < event.touches.length; i++) { - var touch = event.touches[i]; - if (SDL.downFingers[touch.identifier] != true) { - SDL.downFingers[touch.identifier] = true; - touches.push(touch); - } - } - } else { - touches = event.touches; - } - - var firstTouch = touches[0]; - if (firstTouch) { - if (event.type == 'touchstart') { - SDL.DOMButtons[0] = 1; - } - var mouseEventType; - switch(event.type) { - case 'touchstart': mouseEventType = 'mousedown'; break; - case 'touchmove': mouseEventType = 'mousemove'; break; - } - var mouseEvent = { - type: mouseEventType, - button: 0, - pageX: firstTouch.clientX, - pageY: firstTouch.clientY - }; - SDL.events.push(mouseEvent); - } - - for (var i = 0; i < touches.length; i++) { - var touch = touches[i]; - SDL.events.push({ - type: event.type, - touch: touch - }); - }; - break; - } - case 'touchend': { - event.preventDefault(); - - // Remove the entry in the SDL.downFingers hash - // because the finger is no longer down. - for(var i = 0; i < event.changedTouches.length; i++) { - var touch = event.changedTouches[i]; - if (SDL.downFingers[touch.identifier] === true) { - delete SDL.downFingers[touch.identifier]; - } - } - - var mouseEvent = { - type: 'mouseup', - button: 0, - pageX: event.changedTouches[0].clientX, - pageY: event.changedTouches[0].clientY - }; - SDL.DOMButtons[0] = 0; - SDL.events.push(mouseEvent); - - for (var i = 0; i < event.changedTouches.length; i++) { - var touch = event.changedTouches[i]; - SDL.events.push({ - type: 'touchend', - touch: touch - }); - }; - break; - } - case 'DOMMouseScroll': case 'mousewheel': case 'wheel': - var delta = -Browser.getMouseWheelDelta(event); // Flip the wheel direction to translate from browser wheel direction (+:down) to SDL direction (+:up) - delta = (delta == 0) ? 0 : (delta > 0 ? Math.max(delta, 1) : Math.min(delta, -1)); // Quantize to integer so that minimum scroll is at least +/- 1. - - // Simulate old-style SDL events representing mouse wheel input as buttons - var button = delta > 0 ? 3 /*SDL_BUTTON_WHEELUP-1*/ : 4 /*SDL_BUTTON_WHEELDOWN-1*/; // Subtract one since JS->C marshalling is defined to add one back. - SDL.events.push({ type: 'mousedown', button: button, pageX: event.pageX, pageY: event.pageY }); - SDL.events.push({ type: 'mouseup', button: button, pageX: event.pageX, pageY: event.pageY }); - - // Pass a delta motion event. - SDL.events.push({ type: 'wheel', deltaX: 0, deltaY: delta }); - event.preventDefault(); // If we don't prevent this, then 'wheel' event will be sent again by the browser as 'DOMMouseScroll' and we will receive this same event the second time. - break; - case 'mousemove': - if (SDL.DOMButtons[0] === 1) { - SDL.events.push({ - type: 'touchmove', - touch: { - identifier: 0, - deviceID: -1, - pageX: event.pageX, - pageY: event.pageY - } - }); - } - if (Browser.pointerLock) { - // workaround for firefox bug 750111 - if ('mozMovementX' in event) { - event['movementX'] = event['mozMovementX']; - event['movementY'] = event['mozMovementY']; - } - // workaround for Firefox bug 782777 - if (event['movementX'] == 0 && event['movementY'] == 0) { - // ignore a mousemove event if it doesn't contain any movement info - // (without pointer lock, we infer movement from pageX/pageY, so this check is unnecessary) - event.preventDefault(); - return; - } - } - // fall through - case 'keydown': case 'keyup': case 'keypress': case 'mousedown': case 'mouseup': - // If we preventDefault on keydown events, the subsequent keypress events - // won't fire. However, it's fine (and in some cases necessary) to - // preventDefault for keys that don't generate a character. Otherwise, - // preventDefault is the right thing to do in general. - if (event.type !== 'keydown' || (!SDL.unicode && !SDL.textInput) || (event.keyCode === 8 /* backspace */ || event.keyCode === 9 /* tab */)) { - event.preventDefault(); - } - - if (event.type == 'mousedown') { - SDL.DOMButtons[event.button] = 1; - SDL.events.push({ - type: 'touchstart', - touch: { - identifier: 0, - deviceID: -1, - pageX: event.pageX, - pageY: event.pageY - } - }); - } else if (event.type == 'mouseup') { - // ignore extra ups, can happen if we leave the canvas while pressing down, then return, - // since we add a mouseup in that case - if (!SDL.DOMButtons[event.button]) { - return; - } - - SDL.events.push({ - type: 'touchend', - touch: { - identifier: 0, - deviceID: -1, - pageX: event.pageX, - pageY: event.pageY - } - }); - SDL.DOMButtons[event.button] = 0; - } - - // We can only request fullscreen as the result of user input. - // Due to this limitation, we toggle a boolean on keydown which - // SDL_WM_ToggleFullScreen will check and subsequently set another - // flag indicating for us to request fullscreen on the following - // keyup. This isn't perfect, but it enables SDL_WM_ToggleFullScreen - // to work as the result of a keypress (which is an extremely - // common use case). - if (event.type === 'keydown' || event.type === 'mousedown') { - SDL.canRequestFullscreen = true; - } else if (event.type === 'keyup' || event.type === 'mouseup') { - if (SDL.isRequestingFullscreen) { - Module['requestFullscreen'](/*lockPointer=*/true, /*resizeCanvas=*/true); - SDL.isRequestingFullscreen = false; - } - SDL.canRequestFullscreen = false; - } - - // SDL expects a unicode character to be passed to its keydown events. - // Unfortunately, the browser APIs only provide a charCode property on - // keypress events, so we must backfill in keydown events with their - // subsequent keypress event's charCode. - if (event.type === 'keypress' && SDL.savedKeydown) { - // charCode is read-only - SDL.savedKeydown.keypressCharCode = event.charCode; - SDL.savedKeydown = null; - } else if (event.type === 'keydown') { - SDL.savedKeydown = event; - } - - // Don't push keypress events unless SDL_StartTextInput has been called. - if (event.type !== 'keypress' || SDL.textInput) { - SDL.events.push(event); - } - break; - case 'mouseout': - // Un-press all pressed mouse buttons, because we might miss the release outside of the canvas - for (var i = 0; i < 3; i++) { - if (SDL.DOMButtons[i]) { - SDL.events.push({ - type: 'mouseup', - button: i, - pageX: event.pageX, - pageY: event.pageY - }); - SDL.DOMButtons[i] = 0; - } - } - event.preventDefault(); - break; - case 'focus': - SDL.events.push(event); - event.preventDefault(); - break; - case 'blur': - SDL.events.push(event); - unpressAllPressedKeys(); - event.preventDefault(); - break; - case 'visibilitychange': - SDL.events.push({ - type: 'visibilitychange', - visible: !document.hidden - }); - unpressAllPressedKeys(); - event.preventDefault(); - break; - case 'unload': - if (Browser.mainLoop.runner) { - SDL.events.push(event); - // Force-run a main event loop, since otherwise this event will never be caught! - Browser.mainLoop.runner(); - } - return; - case 'resize': - SDL.events.push(event); - // manually triggered resize event doesn't have a preventDefault member - if (event.preventDefault) { - event.preventDefault(); - } - break; - } - if (SDL.events.length >= 10000) { - err('SDL event queue full, dropping events'); - SDL.events = SDL.events.slice(0, 10000); - } - // If we have a handler installed, this will push the events to the app - // instead of the app polling for them. - SDL.flushEventsToHandler(); - return; - },lookupKeyCodeForEvent:function (event) { - var code = event.keyCode; - if (code >= 65 && code <= 90) { - code += 32; // make lowercase for SDL - } else { - code = SDL.keyCodes[event.keyCode] || event.keyCode; - // If this is one of the modifier keys (224 | 1<<10 - 227 | 1<<10), and the event specifies that it is - // a right key, add 4 to get the right key SDL key code. - if (event.location === KeyboardEvent.DOM_KEY_LOCATION_RIGHT && code >= (224 | 1<<10) && code <= (227 | 1<<10)) { - code += 4; - } - } - return code; - },handleEvent:function (event) { - if (event.handled) return; - event.handled = true; - - switch (event.type) { - case 'touchstart': case 'touchend': case 'touchmove': { - Browser.calculateMouseEvent(event); - break; - } - case 'keydown': case 'keyup': { - var down = event.type === 'keydown'; - var code = SDL.lookupKeyCodeForEvent(event); - HEAP8[(((SDL.keyboardState)+(code))>>0)]=down; - // TODO: lmeta, rmeta, numlock, capslock, KMOD_MODE, KMOD_RESERVED - SDL.modState = (HEAP8[(((SDL.keyboardState)+(1248))>>0)] ? 0x0040 : 0) | // KMOD_LCTRL - (HEAP8[(((SDL.keyboardState)+(1249))>>0)] ? 0x0001 : 0) | // KMOD_LSHIFT - (HEAP8[(((SDL.keyboardState)+(1250))>>0)] ? 0x0100 : 0) | // KMOD_LALT - (HEAP8[(((SDL.keyboardState)+(1252))>>0)] ? 0x0080 : 0) | // KMOD_RCTRL - (HEAP8[(((SDL.keyboardState)+(1253))>>0)] ? 0x0002 : 0) | // KMOD_RSHIFT - (HEAP8[(((SDL.keyboardState)+(1254))>>0)] ? 0x0200 : 0); // KMOD_RALT - if (down) { - SDL.keyboardMap[code] = event.keyCode; // save the DOM input, which we can use to unpress it during blur - } else { - delete SDL.keyboardMap[code]; - } - - break; - } - case 'mousedown': case 'mouseup': - if (event.type == 'mousedown') { - // SDL_BUTTON(x) is defined as (1 << ((x)-1)). SDL buttons are 1-3, - // and DOM buttons are 0-2, so this means that the below formula is - // correct. - SDL.buttonState |= 1 << event.button; - } else if (event.type == 'mouseup') { - SDL.buttonState &= ~(1 << event.button); - } - // fall through - case 'mousemove': { - Browser.calculateMouseEvent(event); - break; - } - } - },flushEventsToHandler:function () { - if (!SDL.eventHandler) return; - - while (SDL.pollEvent(SDL.eventHandlerTemp)) { - Module['dynCall_iii'](SDL.eventHandler, SDL.eventHandlerContext, SDL.eventHandlerTemp); - } - },pollEvent:function (ptr) { - if (SDL.initFlags & 0x200 && SDL.joystickEventState) { - // If SDL_INIT_JOYSTICK was supplied AND the joystick system is configured - // to automatically query for events, query for joystick events. - SDL.queryJoysticks(); - } - if (ptr) { - while (SDL.events.length > 0) { - if (SDL.makeCEvent(SDL.events.shift(), ptr) !== false) return 1; - } - return 0; - } else { - // XXX: somewhat risky in that we do not check if the event is real or not (makeCEvent returns false) if no pointer supplied - return SDL.events.length > 0; - } - },makeCEvent:function (event, ptr) { - if (typeof event === 'number') { - // This is a pointer to a copy of a native C event that was SDL_PushEvent'ed - _memcpy(ptr, event, 28); - _free(event); // the copy is no longer needed - return; - } - - SDL.handleEvent(event); - - switch (event.type) { - case 'keydown': case 'keyup': { - var down = event.type === 'keydown'; - //out('Received key event: ' + event.keyCode); - var key = SDL.lookupKeyCodeForEvent(event); - var scan; - if (key >= 1024) { - scan = key - 1024; - } else { - scan = SDL.scanCodes[key] || key; - } - - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP8[(((ptr)+(8))>>0)]=down ? 1 : 0; - HEAP8[(((ptr)+(9))>>0)]=0; // TODO - HEAP32[(((ptr)+(12))>>2)]=scan; - HEAP32[(((ptr)+(16))>>2)]=key; - HEAP16[(((ptr)+(20))>>1)]=SDL.modState; - // some non-character keys (e.g. backspace and tab) won't have keypressCharCode set, fill in with the keyCode. - HEAP32[(((ptr)+(24))>>2)]=event.keypressCharCode || key; - - break; - } - case 'keypress': { - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - // Not filling in windowID for now - var cStr = intArrayFromString(String.fromCharCode(event.charCode)); - for (var i = 0; i < cStr.length; ++i) { - HEAP8[(((ptr)+(8 + i))>>0)]=cStr[i]; - } - break; - } - case 'mousedown': case 'mouseup': case 'mousemove': { - if (event.type != 'mousemove') { - var down = event.type === 'mousedown'; - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP32[(((ptr)+(4))>>2)]=0; - HEAP32[(((ptr)+(8))>>2)]=0; - HEAP32[(((ptr)+(12))>>2)]=0; - HEAP8[(((ptr)+(16))>>0)]=event.button+1; // DOM buttons are 0-2, SDL 1-3 - HEAP8[(((ptr)+(17))>>0)]=down ? 1 : 0; - HEAP32[(((ptr)+(20))>>2)]=Browser.mouseX; - HEAP32[(((ptr)+(24))>>2)]=Browser.mouseY; - } else { - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP32[(((ptr)+(4))>>2)]=0; - HEAP32[(((ptr)+(8))>>2)]=0; - HEAP32[(((ptr)+(12))>>2)]=0; - HEAP32[(((ptr)+(16))>>2)]=SDL.buttonState; - HEAP32[(((ptr)+(20))>>2)]=Browser.mouseX; - HEAP32[(((ptr)+(24))>>2)]=Browser.mouseY; - HEAP32[(((ptr)+(28))>>2)]=Browser.mouseMovementX; - HEAP32[(((ptr)+(32))>>2)]=Browser.mouseMovementY; - } - break; - } - case 'wheel': { - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP32[(((ptr)+(16))>>2)]=event.deltaX; - HEAP32[(((ptr)+(20))>>2)]=event.deltaY; - break; - } - case 'touchstart': case 'touchend': case 'touchmove': { - var touch = event.touch; - if (!Browser.touches[touch.identifier]) break; - var w = Module['canvas'].width; - var h = Module['canvas'].height; - var x = Browser.touches[touch.identifier].x / w; - var y = Browser.touches[touch.identifier].y / h; - var lx = Browser.lastTouches[touch.identifier].x / w; - var ly = Browser.lastTouches[touch.identifier].y / h; - var dx = x - lx; - var dy = y - ly; - if (touch['deviceID'] === undefined) touch.deviceID = SDL.TOUCH_DEFAULT_ID; - if (dx === 0 && dy === 0 && event.type === 'touchmove') return false; // don't send these if nothing happened - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP32[(((ptr)+(4))>>2)]=_SDL_GetTicks(); - (tempI64 = [touch.deviceID>>>0,(tempDouble=touch.deviceID,(+(Math_abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((ptr)+(8))>>2)]=tempI64[0],HEAP32[(((ptr)+(12))>>2)]=tempI64[1]); - (tempI64 = [touch.identifier>>>0,(tempDouble=touch.identifier,(+(Math_abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((ptr)+(16))>>2)]=tempI64[0],HEAP32[(((ptr)+(20))>>2)]=tempI64[1]); - HEAPF32[(((ptr)+(24))>>2)]=x; - HEAPF32[(((ptr)+(28))>>2)]=y; - HEAPF32[(((ptr)+(32))>>2)]=dx; - HEAPF32[(((ptr)+(36))>>2)]=dy; - if (touch.force !== undefined) { - HEAPF32[(((ptr)+(40))>>2)]=touch.force; - } else { // No pressure data, send a digital 0/1 pressure. - HEAPF32[(((ptr)+(40))>>2)]=event.type == "touchend" ? 0 : 1; - } - break; - } - case 'unload': { - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - break; - } - case 'resize': { - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP32[(((ptr)+(4))>>2)]=event.w; - HEAP32[(((ptr)+(8))>>2)]=event.h; - break; - } - case 'joystick_button_up': case 'joystick_button_down': { - var state = event.type === 'joystick_button_up' ? 0 : 1; - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP8[(((ptr)+(4))>>0)]=event.index; - HEAP8[(((ptr)+(5))>>0)]=event.button; - HEAP8[(((ptr)+(6))>>0)]=state; - break; - } - case 'joystick_axis_motion': { - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP8[(((ptr)+(4))>>0)]=event.index; - HEAP8[(((ptr)+(5))>>0)]=event.axis; - HEAP32[(((ptr)+(8))>>2)]=SDL.joystickAxisValueConversion(event.value); - break; - } - case 'focus': { - var SDL_WINDOWEVENT_FOCUS_GAINED = 12 /* SDL_WINDOWEVENT_FOCUS_GAINED */; - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP32[(((ptr)+(4))>>2)]=0; - HEAP8[(((ptr)+(8))>>0)]=SDL_WINDOWEVENT_FOCUS_GAINED; - break; - } - case 'blur': { - var SDL_WINDOWEVENT_FOCUS_LOST = 13 /* SDL_WINDOWEVENT_FOCUS_LOST */; - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP32[(((ptr)+(4))>>2)]=0; - HEAP8[(((ptr)+(8))>>0)]=SDL_WINDOWEVENT_FOCUS_LOST; - break; - } - case 'visibilitychange': { - var SDL_WINDOWEVENT_SHOWN = 1 /* SDL_WINDOWEVENT_SHOWN */; - var SDL_WINDOWEVENT_HIDDEN = 2 /* SDL_WINDOWEVENT_HIDDEN */; - var visibilityEventID = event.visible ? SDL_WINDOWEVENT_SHOWN : SDL_WINDOWEVENT_HIDDEN; - HEAP32[((ptr)>>2)]=SDL.DOMEventToSDLEvent[event.type]; - HEAP32[(((ptr)+(4))>>2)]=0; - HEAP8[(((ptr)+(8))>>0)]=visibilityEventID; - break; - } - default: throw 'Unhandled SDL event: ' + event.type; - } - },makeFontString:function (height, fontName) { - if (fontName.charAt(0) != "'" && fontName.charAt(0) != '"') { - // https://developer.mozilla.org/ru/docs/Web/CSS/font-family - // Font family names containing whitespace should be quoted. - // BTW, quote all font names is easier than searching spaces - fontName = '"' + fontName + '"'; - } - return height + 'px ' + fontName + ', serif'; - },estimateTextWidth:function (fontData, text) { - var h = fontData.size; - var fontString = SDL.makeFontString(h, fontData.name); - var tempCtx = SDL.ttfContext; - tempCtx.save(); - tempCtx.font = fontString; - var ret = tempCtx.measureText(text).width | 0; - tempCtx.restore(); - return ret; - },allocateChannels:function (num) { // called from Mix_AllocateChannels and init - if (SDL.numChannels && SDL.numChannels >= num && num != 0) return; - SDL.numChannels = num; - SDL.channels = []; - for (var i = 0; i < num; i++) { - SDL.channels[i] = { - audio: null, - volume: 1.0 - }; - } - },setGetVolume:function (info, volume) { - if (!info) return 0; - var ret = info.volume * 128; // MIX_MAX_VOLUME - if (volume != -1) { - info.volume = Math.min(Math.max(volume, 0), 128) / 128; - if (info.audio) { - try { - info.audio.volume = info.volume; // For