diff --git a/.eslintrc.json b/.eslintrc.json index 963e562..5b702d8 100644 --- a/.eslintrc.json +++ b/.eslintrc.json @@ -28,6 +28,7 @@ ], "rules": { "react/react-in-jsx-scope": "off", - "@typescript-eslint/no-inferrable-types": "off" + "@typescript-eslint/no-inferrable-types": "off", + "@typescript-eslint/ban-ts-comment": "off" } } diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index e8081e5..72ecce3 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -33,7 +33,6 @@ jobs: build: name: Build runs-on: ubuntu-latest - needs: [lint] steps: - uses: actions/checkout@v3 diff --git a/README.md b/README.md index 3c00a53..6b58c24 100644 --- a/README.md +++ b/README.md @@ -36,3 +36,7 @@ To auto-format your code using ESLint and Prettier, run: ```sh $ npm run lint:fix ``` + +#### Dev Mode +Add the `dev=true` (E.g. http://localhost:3000/?dev=true) url parameter to enable some experimental features and additional debug logging. + diff --git a/package-lock.json b/package-lock.json index f329343..d2b1368 100644 --- a/package-lock.json +++ b/package-lock.json @@ -32,6 +32,7 @@ "react-icons": "^4.3.1", "react-router-dom": "^6.3.0", "react-scripts": "5.0.0", + "react-simple-code-editor": "^0.13.1", "typescript": "^4.7.2", "web-vitals": "^2.1.2" }, @@ -4431,9 +4432,9 @@ "integrity": "sha512-//oorEZjL6sbPcKUaCdIGlIUeH26mgzimjBB77G6XRgnDl/L5wOnpyBGRe/Mmf5CVW3PwEBE1NjiMZ/ssFh4wA==" }, "node_modules/@types/prettier": { - "version": "2.4.3", - "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.4.3.tgz", - "integrity": "sha512-QzSuZMBuG5u8HqYz01qtMdg/Jfctlnvj1z/lYnIDXs/golxw0fxtRAHd9KrzjR7Yxz1qVeI00o0kiO3PmVdJ9w==" + "version": "2.7.1", + "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.7.1.tgz", + "integrity": "sha512-ri0UmynRRvZiiUJdiz38MmIblKK+oH30MztdBVR95dv/Ubw6neWSb8u1XpRb72L4qsZOhz+L+z9JD40SJmfWow==" }, "node_modules/@types/prop-types": { "version": "15.7.4", @@ -14863,6 +14864,15 @@ "node": ">=10" } }, + "node_modules/react-simple-code-editor": { + "version": "0.13.1", + "resolved": "https://registry.npmjs.org/react-simple-code-editor/-/react-simple-code-editor-0.13.1.tgz", + "integrity": "sha512-XYeVwRZwgyKtjNIYcAEgg2FaQcCZwhbarnkJIV20U2wkCU9q/CPFBo8nRXrK4GXUz3AvbqZFsZRrpUTkqqEYyQ==", + "peerDependencies": { + "react": "*", + "react-dom": "*" + } + }, "node_modules/react-style-singleton": { "version": "2.1.1", "resolved": "https://registry.npmjs.org/react-style-singleton/-/react-style-singleton-2.1.1.tgz", @@ -20881,9 +20891,9 @@ "integrity": "sha512-//oorEZjL6sbPcKUaCdIGlIUeH26mgzimjBB77G6XRgnDl/L5wOnpyBGRe/Mmf5CVW3PwEBE1NjiMZ/ssFh4wA==" }, "@types/prettier": { - "version": "2.4.3", - "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.4.3.tgz", - "integrity": "sha512-QzSuZMBuG5u8HqYz01qtMdg/Jfctlnvj1z/lYnIDXs/golxw0fxtRAHd9KrzjR7Yxz1qVeI00o0kiO3PmVdJ9w==" + "version": "2.7.1", + "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.7.1.tgz", + "integrity": "sha512-ri0UmynRRvZiiUJdiz38MmIblKK+oH30MztdBVR95dv/Ubw6neWSb8u1XpRb72L4qsZOhz+L+z9JD40SJmfWow==" }, "@types/prop-types": { "version": "15.7.4", @@ -28354,6 +28364,12 @@ } } }, + "react-simple-code-editor": { + "version": "0.13.1", + "resolved": "https://registry.npmjs.org/react-simple-code-editor/-/react-simple-code-editor-0.13.1.tgz", + "integrity": "sha512-XYeVwRZwgyKtjNIYcAEgg2FaQcCZwhbarnkJIV20U2wkCU9q/CPFBo8nRXrK4GXUz3AvbqZFsZRrpUTkqqEYyQ==", + "requires": {} + }, "react-style-singleton": { "version": "2.1.1", "resolved": "https://registry.npmjs.org/react-style-singleton/-/react-style-singleton-2.1.1.tgz", diff --git a/package.json b/package.json index 9b9c2fd..82df95c 100644 --- a/package.json +++ b/package.json @@ -27,6 +27,7 @@ "react-icons": "^4.3.1", "react-router-dom": "^6.3.0", "react-scripts": "5.0.0", + "react-simple-code-editor": "^0.13.1", "typescript": "^4.7.2", "web-vitals": "^2.1.2" }, diff --git a/public/index.html b/public/index.html index 752762e..783b81c 100644 --- a/public/index.html +++ b/public/index.html @@ -30,13 +30,5 @@
- diff --git a/public/lsqecc_emscripten.js b/public/lsqecc_emscripten.js new file mode 100644 index 0000000..3bc87e8 --- /dev/null +++ b/public/lsqecc_emscripten.js @@ -0,0 +1,6952 @@ + +var LsqeccModule = (() => { + var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined; + if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename; + return ( +function(LsqeccModule) { + LsqeccModule = LsqeccModule || {}; + + + +// 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 LsqeccModule != 'undefined' ? LsqeccModule : {}; + +// See https://caniuse.com/mdn-javascript_builtins_object_assign + +// See https://caniuse.com/mdn-javascript_builtins_bigint64array + +// Set up the promise that indicates the Module is initialized +var readyPromiseResolve, readyPromiseReject; +Module['ready'] = new Promise(function(resolve, reject) { + readyPromiseResolve = resolve; + readyPromiseReject = reject; +}); +["_main","___getTypeName","__embind_initialize_bindings","_fflush","onRuntimeInitialized"].forEach((prop) => { + if (!Object.getOwnPropertyDescriptor(Module['ready'], prop)) { + Object.defineProperty(Module['ready'], prop, { + get: () => abort('You are getting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'), + set: () => abort('You are setting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'), + }); + } +}); + +// --pre-jses are emitted after the Module integration code, so that they can +// refer to Module (if they choose; they can also define Module) +// {{PRE_JSES}} + +// Sometimes an existing Module object exists with properties +// meant to overwrite the default module functionality. Here +// we collect those properties and reapply _after_ we configure +// the current environment's defaults to avoid having to be so +// defensive during initialization. +var moduleOverrides = Object.assign({}, Module); + +var arguments_ = []; +var thisProgram = './this.program'; +var quit_ = (status, toThrow) => { + throw toThrow; +}; + +// Determine the runtime environment we are in. You can customize this by +// setting the ENVIRONMENT setting at compile time (see settings.js). + +// Attempt to auto-detect the environment +var ENVIRONMENT_IS_WEB = typeof window == 'object'; +var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function'; +// N.b. Electron.js environment is simultaneously a NODE-environment, but +// also a web environment. +var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string'; +var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; + +if (Module['ENVIRONMENT']) { + throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)'); +} + +// `/` should be present at the end if `scriptDirectory` is not empty +var scriptDirectory = ''; +function locateFile(path) { + if (Module['locateFile']) { + return Module['locateFile'](path, scriptDirectory); + } + return scriptDirectory + path; +} + +// Hooks that are implemented differently in different runtime environments. +var read_, + readAsync, + readBinary, + setWindowTitle; + +// Normally we don't log exceptions but instead let them bubble out the top +// level where the embedding environment (e.g. the browser) can handle +// them. +// However under v8 and node we sometimes exit the process direcly in which case +// its up to use us to log the exception before exiting. +// If we fix https://github.com/emscripten-core/emscripten/issues/15080 +// this may no longer be needed under node. +function logExceptionOnExit(e) { + if (e instanceof ExitStatus) return; + let toLog = e; + if (e && typeof e == 'object' && e.stack) { + toLog = [e, e.stack]; + } + err('exiting due to exception: ' + toLog); +} + +if (ENVIRONMENT_IS_NODE) { + if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); + if (ENVIRONMENT_IS_WORKER) { + scriptDirectory = require('path').dirname(scriptDirectory) + '/'; + } else { + scriptDirectory = __dirname + '/'; + } + +// include: node_shell_read.js + + +// These modules will usually be used on Node.js. Load them eagerly to avoid +// the complexity of lazy-loading. However, for now we must guard on require() +// actually existing: if the JS is put in a .mjs file (ES6 module) and run on +// node, then we'll detect node as the environment and get here, but require() +// does not exist (since ES6 modules should use |import|). If the code actually +// uses the node filesystem then it will crash, of course, but in the case of +// code that never uses it we don't want to crash here, so the guarding if lets +// such code work properly. See discussion in +// https://github.com/emscripten-core/emscripten/pull/17851 +var fs, nodePath; +if (typeof require === 'function') { + fs = require('fs'); + nodePath = require('path'); +} + +read_ = (filename, binary) => { + filename = nodePath['normalize'](filename); + return fs.readFileSync(filename, binary ? undefined : 'utf8'); +}; + +readBinary = (filename) => { + var ret = read_(filename, true); + if (!ret.buffer) { + ret = new Uint8Array(ret); + } + assert(ret.buffer); + return ret; +}; + +readAsync = (filename, onload, onerror) => { + filename = nodePath['normalize'](filename); + fs.readFile(filename, function(err, data) { + if (err) onerror(err); + else onload(data.buffer); + }); +}; + +// end include: node_shell_read.js + if (process['argv'].length > 1) { + thisProgram = process['argv'][1].replace(/\\/g, '/'); + } + + arguments_ = process['argv'].slice(2); + + // MODULARIZE will export the module in the proper place outside, we don't need to export here + + process['on']('uncaughtException', function(ex) { + // suppress ExitStatus exceptions from showing an error + if (!(ex instanceof ExitStatus)) { + throw ex; + } + }); + + // Without this older versions of node (< v15) will log unhandled rejections + // but return 0, which is not normally the desired behaviour. This is + // not be needed with node v15 and about because it is now the default + // behaviour: + // See https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode + process['on']('unhandledRejection', function(reason) { throw reason; }); + + quit_ = (status, toThrow) => { + if (keepRuntimeAlive()) { + process['exitCode'] = status; + throw toThrow; + } + logExceptionOnExit(toThrow); + process['exit'](status); + }; + + Module['inspect'] = function () { return '[Emscripten Module object]'; }; + +} else +if (ENVIRONMENT_IS_SHELL) { + + if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); + + if (typeof read != 'undefined') { + read_ = function shell_read(f) { + return read(f); + }; + } + + readBinary = function readBinary(f) { + let data; + if (typeof readbuffer == 'function') { + return new Uint8Array(readbuffer(f)); + } + data = read(f, 'binary'); + assert(typeof data == 'object'); + return data; + }; + + readAsync = function readAsync(f, onload, onerror) { + setTimeout(() => onload(readBinary(f)), 0); + }; + + if (typeof scriptArgs != 'undefined') { + arguments_ = scriptArgs; + } else if (typeof arguments != 'undefined') { + arguments_ = arguments; + } + + if (typeof quit == 'function') { + quit_ = (status, toThrow) => { + logExceptionOnExit(toThrow); + quit(status); + }; + } + + if (typeof print != 'undefined') { + // Prefer to use print/printErr where they exist, as they usually work better. + if (typeof console == 'undefined') console = /** @type{!Console} */({}); + console.log = /** @type{!function(this:Console, ...*): undefined} */ (print); + console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print); + } + +} else + +// Note that this includes Node.js workers when relevant (pthreads is enabled). +// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and +// ENVIRONMENT_IS_NODE. +if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { + if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled + scriptDirectory = self.location.href; + } else if (typeof document != 'undefined' && document.currentScript) { // web + scriptDirectory = document.currentScript.src; + } + // When MODULARIZE, this JS may be executed later, after document.currentScript + // is gone, so we saved it, and we use it here instead of any other info. + if (_scriptDir) { + scriptDirectory = _scriptDir; + } + // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them. + // otherwise, slice off the final part of the url to find the script directory. + // if scriptDirectory does not contain a slash, lastIndexOf will return -1, + // and scriptDirectory will correctly be replaced with an empty string. + // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #), + // they are removed because they could contain a slash. + if (scriptDirectory.indexOf('blob:') !== 0) { + scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1); + } else { + scriptDirectory = ''; + } + + if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); + + // Differentiate the Web Worker from the Node Worker case, as reading must + // be done differently. + { +// include: web_or_worker_shell_read.js + + + read_ = (url) => { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, false); + xhr.send(null); + return xhr.responseText; + } + + if (ENVIRONMENT_IS_WORKER) { + readBinary = (url) => { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, false); + xhr.responseType = 'arraybuffer'; + xhr.send(null); + return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); + }; + } + + readAsync = (url, onload, onerror) => { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, true); + xhr.responseType = 'arraybuffer'; + xhr.onload = () => { + if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 + onload(xhr.response); + return; + } + onerror(); + }; + xhr.onerror = onerror; + xhr.send(null); + } + +// end include: web_or_worker_shell_read.js + } + + setWindowTitle = (title) => document.title = title; +} else +{ + throw new Error('environment detection error'); +} + +var out = Module['print'] || console.log.bind(console); +var err = Module['printErr'] || console.warn.bind(console); + +// Merge back in the overrides +Object.assign(Module, moduleOverrides); +// 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 = null; +checkIncomingModuleAPI(); + +// Emit code to handle expected values on the Module object. This applies Module.x +// to the proper local x. This has two benefits: first, we only emit it if it is +// expected to arrive, and second, by using a local everywhere else that can be +// minified. + +if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_'); + +if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram'); + +if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_'); + +// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message +// Assertions on removed incoming Module JS APIs. +assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)'); +assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); +assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); +assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)'); +assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); +legacyModuleProp('read', 'read_'); +legacyModuleProp('readAsync', 'readAsync'); +legacyModuleProp('readBinary', 'readBinary'); +legacyModuleProp('setWindowTitle', 'setWindowTitle'); +var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js'; +var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js'; +var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js'; +var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; + +assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-sENVIRONMENT` to enable."); + + + + +var STACK_ALIGN = 16; +var POINTER_SIZE = 4; + +function getNativeTypeSize(type) { + switch (type) { + case 'i1': case 'i8': case 'u8': return 1; + case 'i16': case 'u16': return 2; + case 'i32': case 'u32': return 4; + case 'i64': case 'u64': return 8; + case 'float': return 4; + case 'double': return 8; + default: { + if (type[type.length - 1] === '*') { + return POINTER_SIZE; + } + if (type[0] === 'i') { + const bits = Number(type.substr(1)); + assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); + return bits / 8; + } + return 0; + } + } +} + +// include: runtime_debug.js + + +function legacyModuleProp(prop, newName) { + if (!Object.getOwnPropertyDescriptor(Module, prop)) { + Object.defineProperty(Module, prop, { + configurable: true, + get: function() { + abort('Module.' + prop + ' has been replaced with plain ' + newName + ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)'); + } + }); + } +} + +function ignoredModuleProp(prop) { + if (Object.getOwnPropertyDescriptor(Module, prop)) { + abort('`Module.' + prop + '` was supplied but `' + prop + '` not included in INCOMING_MODULE_JS_API'); + } +} + +// forcing the filesystem exports a few things by default +function isExportedByForceFilesystem(name) { + return name === 'FS_createPath' || + name === 'FS_createDataFile' || + name === 'FS_createPreloadedFile' || + name === 'FS_unlink' || + name === 'addRunDependency' || + // The old FS has some functionality that WasmFS lacks. + name === 'FS_createLazyFile' || + name === 'FS_createDevice' || + name === 'removeRunDependency'; +} + +function missingLibrarySymbol(sym) { + if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) { + Object.defineProperty(globalThis, sym, { + configurable: true, + get: function() { + // Can't `abort()` here because it would break code that does runtime + // checks. e.g. `if (typeof SDL === 'undefined')`. + var msg = '`' + sym + '` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line'; + // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in + // library.js, which means $name for a JS name with no prefix, or name + // for a JS name like _name. + var librarySymbol = sym; + if (!librarySymbol.startsWith('_')) { + librarySymbol = '$' + sym; + } + msg += " (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE=" + librarySymbol + ")"; + if (isExportedByForceFilesystem(sym)) { + msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; + } + warnOnce(msg); + return undefined; + } + }); + } +} + +function unexportedRuntimeSymbol(sym) { + if (!Object.getOwnPropertyDescriptor(Module, sym)) { + Object.defineProperty(Module, sym, { + configurable: true, + get: function() { + var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"; + if (isExportedByForceFilesystem(sym)) { + msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; + } + abort(msg); + } + }); + } +} + +// end include: runtime_debug.js + + +// === 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 + +var wasmBinary; +if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary'); +var noExitRuntime = Module['noExitRuntime'] || true;legacyModuleProp('noExitRuntime', 'noExitRuntime'); + +if (typeof WebAssembly != 'object') { + abort('no native wasm support detected'); +} + +// Wasm globals + +var wasmMemory; + +//======================================== +// 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; + +/** @type {function(*, string=)} */ +function assert(condition, text) { + if (!condition) { + abort('Assertion failed' + (text ? ': ' + text : '')); + } +} + +// We used to include malloc/free by default in the past. Show a helpful error in +// builds with assertions. + +// include: runtime_strings.js + + +// runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime. + +var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; + +// 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. +/** + * heapOrArray is either a regular array, or a JavaScript typed array view. + * @param {number} idx + * @param {number=} maxBytesToRead + * @return {string} + */ +function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) { + var endIdx = idx + maxBytesToRead; + 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. + // (As a tiny code save trick, compare endPtr against endIdx using a negation, so that undefined means Infinity) + while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr; + + if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) { + return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr)); + } + var str = ''; + // If building with TextDecoder, we have already computed the string length above, so test loop end condition against that + while (idx < endPtr) { + // 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 + var u0 = heapOrArray[idx++]; + if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } + var u1 = heapOrArray[idx++] & 63; + if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } + var u2 = heapOrArray[idx++] & 63; + if ((u0 & 0xF0) == 0xE0) { + u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; + } else { + if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte 0x' + u0.toString(16) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!'); + u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63); + } + + if (u0 < 0x10000) { + str += String.fromCharCode(u0); + } else { + var ch = u0 - 0x10000; + str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); + } + } + return str; +} + +// 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. +// maxBytesToRead: an optional length that specifies the maximum number of bytes to read. You can omit +// this parameter to scan the string until the first \0 byte. If maxBytesToRead is +// passed, and the string at [ptr, ptr+maxBytesToReadr[ contains a null byte in the +// middle, then the string will cut short at that byte index (i.e. maxBytesToRead will +// not produce a string of exact length [ptr, ptr+maxBytesToRead[) +// N.B. mixing frequent uses of UTF8ToString() with and without maxBytesToRead may +// throw JS JIT optimizations off, so it is worth to consider consistently using one +// style or the other. +/** + * @param {number} ptr + * @param {number=} maxBytesToRead + * @return {string} + */ +function UTF8ToString(ptr, maxBytesToRead) { + return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; +} + +// 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. +// heap: 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, heap, 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; + heap[outIdx++] = u; + } else if (u <= 0x7FF) { + if (outIdx + 1 >= endIdx) break; + heap[outIdx++] = 0xC0 | (u >> 6); + heap[outIdx++] = 0x80 | (u & 63); + } else if (u <= 0xFFFF) { + if (outIdx + 2 >= endIdx) break; + heap[outIdx++] = 0xE0 | (u >> 12); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } else { + if (outIdx + 3 >= endIdx) break; + if (u > 0x10FFFF) warnOnce('Invalid Unicode code point 0x' + u.toString(16) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).'); + heap[outIdx++] = 0xF0 | (u >> 18); + heap[outIdx++] = 0x80 | ((u >> 12) & 63); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } + } + // Null-terminate the pointer to the buffer. + heap[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) { + assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); + 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 c = str.charCodeAt(i); // possibly a lead surrogate + if (c <= 0x7F) { + len++; + } else if (c <= 0x7FF) { + len += 2; + } else if (c >= 0xD800 && c <= 0xDFFF) { + len += 4; ++i; + } else { + len += 3; + } + } + return len; +} + +// end include: runtime_strings.js +// Memory management + +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 updateGlobalBufferAndViews(buf) { + buffer = buf; + Module['HEAP8'] = HEAP8 = new Int8Array(buf); + Module['HEAP16'] = HEAP16 = new Int16Array(buf); + Module['HEAP32'] = HEAP32 = new Int32Array(buf); + Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf); + Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf); + Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf); + Module['HEAPF32'] = HEAPF32 = new Float32Array(buf); + Module['HEAPF64'] = HEAPF64 = new Float64Array(buf); +} + +var TOTAL_STACK = 5242880; +if (Module['TOTAL_STACK']) assert(TOTAL_STACK === Module['TOTAL_STACK'], 'the stack size can no longer be determined at runtime') + +var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 1073741824;legacyModuleProp('INITIAL_MEMORY', 'INITIAL_MEMORY'); + +assert(INITIAL_MEMORY >= TOTAL_STACK, 'INITIAL_MEMORY should be larger than TOTAL_STACK, was ' + INITIAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')'); + +// check for full engine support (use string 'subarray' to avoid closure compiler confusion) +assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, + 'JS engine does not provide full typed array support'); + +// If memory is defined in wasm, the user can't provide it. +assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally'); +assert(INITIAL_MEMORY == 1073741824, 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically'); + +// include: runtime_init_table.js +// In regular non-RELOCATABLE mode the table is exported +// from the wasm module and this will be assigned once +// the exports are available. +var wasmTable; + +// end include: runtime_init_table.js +// include: runtime_stack_check.js + + +// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. +function writeStackCookie() { + var max = _emscripten_stack_get_end(); + assert((max & 3) == 0); + // The stack grow downwards towards _emscripten_stack_get_end. + // We write cookies to the final two words in the stack and detect if they are + // ever overwritten. + HEAPU32[((max)>>2)] = 0x2135467; + HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE; + // Also test the global address 0 for integrity. + HEAPU32[0] = 0x63736d65; /* 'emsc' */ +} + +function checkStackCookie() { + if (ABORT) return; + var max = _emscripten_stack_get_end(); + var cookie1 = HEAPU32[((max)>>2)]; + var cookie2 = HEAPU32[(((max)+(4))>>2)]; + if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) { + abort('Stack overflow! Stack cookie has been overwritten at 0x' + max.toString(16) + ', expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' 0x' + cookie1.toString(16)); + } + // Also test the global address 0 for integrity. + if (HEAPU32[0] !== 0x63736d65 /* 'emsc' */) abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); +} + +// end include: runtime_stack_check.js +// include: runtime_assertions.js + + +// Endianness check +(function() { + var h16 = new Int16Array(1); + var h8 = new Int8Array(h16.buffer); + h16[0] = 0x6373; + if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)'; +})(); + +// end include: runtime_assertions.js +var __ATPRERUN__ = []; // functions called before the runtime is initialized +var __ATINIT__ = []; // functions called during startup +var __ATEXIT__ = []; // functions called during shutdown +var __ATPOSTRUN__ = []; // functions called after the main() is called + +var runtimeInitialized = false; + +function keepRuntimeAlive() { + return noExitRuntime; +} + +function preRun() { + + if (Module['preRun']) { + if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; + while (Module['preRun'].length) { + addOnPreRun(Module['preRun'].shift()); + } + } + + callRuntimeCallbacks(__ATPRERUN__); +} + +function initRuntime() { + assert(!runtimeInitialized); + runtimeInitialized = true; + + checkStackCookie(); + + +if (!Module["noFSInit"] && !FS.init.initialized) + FS.init(); +FS.ignorePermissions = false; + +TTY.init(); + callRuntimeCallbacks(__ATINIT__); +} + +function postRun() { + checkStackCookie(); + + 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 addOnExit(cb) { +} + +function addOnPostRun(cb) { + __ATPOSTRUN__.unshift(cb); +} + +// include: runtime_math.js + + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32 + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc + +assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); +assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); +assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); +assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); + +// end include: runtime_math.js +// 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 +var runDependencyTracking = {}; + +function getUniqueRunDependency(id) { + var orig = id; + while (1) { + if (!runDependencyTracking[id]) return id; + id = orig + Math.random(); + } +} + +function addRunDependency(id) { + runDependencies++; + + if (Module['monitorRunDependencies']) { + Module['monitorRunDependencies'](runDependencies); + } + + if (id) { + assert(!runDependencyTracking[id]); + runDependencyTracking[id] = 1; + if (runDependencyWatcher === null && typeof setInterval != 'undefined') { + // Check for missing dependencies every few seconds + runDependencyWatcher = setInterval(function() { + if (ABORT) { + clearInterval(runDependencyWatcher); + runDependencyWatcher = null; + return; + } + var shown = false; + for (var dep in runDependencyTracking) { + if (!shown) { + shown = true; + err('still waiting on run dependencies:'); + } + err('dependency: ' + dep); + } + if (shown) { + err('(end of list)'); + } + }, 10000); + } + } else { + err('warning: run dependency added without ID'); + } +} + +function removeRunDependency(id) { + runDependencies--; + + if (Module['monitorRunDependencies']) { + Module['monitorRunDependencies'](runDependencies); + } + + if (id) { + assert(runDependencyTracking[id]); + delete runDependencyTracking[id]; + } else { + err('warning: run dependency removed without ID'); + } + if (runDependencies == 0) { + if (runDependencyWatcher !== null) { + clearInterval(runDependencyWatcher); + runDependencyWatcher = null; + } + if (dependenciesFulfilled) { + var callback = dependenciesFulfilled; + dependenciesFulfilled = null; + callback(); // can add another dependenciesFulfilled + } + } +} + +/** @param {string|number=} what */ +function abort(what) { + { + if (Module['onAbort']) { + Module['onAbort'](what); + } + } + + what = 'Aborted(' + what + ')'; + // TODO(sbc): Should we remove printing and leave it up to whoever + // catches the exception? + err(what); + + ABORT = true; + EXITSTATUS = 1; + + // Use a wasm runtime error, because a JS error might be seen as a foreign + // exception, which means we'd run destructors on it. We need the error to + // simply make the program stop. + // FIXME This approach does not work in Wasm EH because it currently does not assume + // all RuntimeErrors are from traps; it decides whether a RuntimeError is from + // a trap or not based on a hidden field within the object. So at the moment + // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that + // allows this in the wasm spec. + + // Suppress closure compiler warning here. Closure compiler's builtin extern + // defintion for WebAssembly.RuntimeError claims it takes no arguments even + // though it can. + // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. + /** @suppress {checkTypes} */ + var e = new WebAssembly.RuntimeError(what); + + readyPromiseReject(e); + // Throw the error whether or not MODULARIZE is set because abort is used + // in code paths apart from instantiation where an exception is expected + // to be thrown when abort is called. + throw e; +} + +// {{MEM_INITIALIZER}} + +// include: memoryprofiler.js + + +// end include: memoryprofiler.js +// include: URIUtils.js + + +// 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) { + // Prefix of data URIs emitted by SINGLE_FILE and related options. + return filename.startsWith(dataURIPrefix); +} + +// Indicates whether filename is delivered via file protocol (as opposed to http/https) +function isFileURI(filename) { + return filename.startsWith('file://'); +} + +// end include: URIUtils.js +/** @param {boolean=} fixedasm */ +function createExportWrapper(name, fixedasm) { + return function() { + var displayName = name; + var asm = fixedasm; + if (!fixedasm) { + asm = Module['asm']; + } + assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization'); + if (!asm[name]) { + assert(asm[name], 'exported native function `' + displayName + '` not found'); + } + return asm[name].apply(null, arguments); + }; +} + +var wasmBinaryFile; + wasmBinaryFile = 'lsqecc_emscripten.wasm'; + if (!isDataURI(wasmBinaryFile)) { + wasmBinaryFile = locateFile(wasmBinaryFile); + } + +function getBinary(file) { + try { + if (file == wasmBinaryFile && wasmBinary) { + return new Uint8Array(wasmBinary); + } + if (readBinary) { + return readBinary(file); + } + throw "both async and sync fetching of the wasm failed"; + } + catch (err) { + abort(err); + } +} + +function getBinaryPromise() { + // If we don't have the binary yet, try to to load it asynchronously. + // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. + // See https://github.com/github/fetch/pull/92#issuecomment-140665932 + // Cordova or Electron apps are typically loaded from a file:// url. + // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. + if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { + if (typeof fetch == 'function' + && !isFileURI(wasmBinaryFile) + ) { + 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(wasmBinaryFile); + }); + } + else { + if (readAsync) { + // fetch is not available or url is file => try XHR (readAsync uses XHR internally) + return new Promise(function(resolve, reject) { + readAsync(wasmBinaryFile, function(response) { resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))) }, reject) + }); + } + } + } + + // Otherwise, getBinary should be able to get it synchronously + return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); }); +} + +// Create the wasm instance. +// Receives the wasm imports, returns the exports. +function createWasm() { + // prepare imports + var info = { + 'env': asmLibraryArg, + 'wasi_snapshot_preview1': asmLibraryArg, + }; + // Load the wasm module and create an instance of using native support in the JS engine. + // handle a generated wasm instance, receiving its exports and + // performing other necessary setup + /** @param {WebAssembly.Module=} module*/ + function receiveInstance(instance, module) { + var exports = instance.exports; + + Module['asm'] = exports; + + wasmMemory = Module['asm']['memory']; + assert(wasmMemory, "memory not found in wasm exports"); + // This assertion doesn't hold when emscripten is run in --post-link + // mode. + // TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode. + //assert(wasmMemory.buffer.byteLength === 1073741824); + updateGlobalBufferAndViews(wasmMemory.buffer); + + wasmTable = Module['asm']['__indirect_function_table']; + assert(wasmTable, "table not found in wasm exports"); + + addOnInit(Module['asm']['__wasm_call_ctors']); + + removeRunDependency('wasm-instantiate'); + + } + // we can't run yet (except in a pthread, where we have a custom sync instantiator) + addRunDependency('wasm-instantiate'); + + // Prefer streaming instantiation if available. + // Async compilation can be confusing when an error on the page overwrites Module + // (for example, if the order of elements is wrong, and the one defining Module is + // later), so we save Module and check it later. + var trueModule = Module; + function receiveInstantiationResult(result) { + // 'result' is a ResultObject object which has both the module and instance. + // receiveInstance() will swap in the exports (to Module.asm) so they can be called + assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?'); + trueModule = null; + // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. + // When the regression is fixed, can restore the above USE_PTHREADS-enabled path. + receiveInstance(result['instance']); + } + + function instantiateArrayBuffer(receiver) { + return getBinaryPromise().then(function(binary) { + return WebAssembly.instantiate(binary, info); + }).then(function (instance) { + return instance; + }).then(receiver, function(reason) { + err('failed to asynchronously prepare wasm: ' + reason); + + // Warn on some common problems. + if (isFileURI(wasmBinaryFile)) { + err('warning: Loading from a file URI (' + wasmBinaryFile + ') is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing'); + } + abort(reason); + }); + } + + function instantiateAsync() { + if (!wasmBinary && + typeof WebAssembly.instantiateStreaming == 'function' && + !isDataURI(wasmBinaryFile) && + // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously. + !isFileURI(wasmBinaryFile) && + // Avoid instantiateStreaming() on Node.js environment for now, as while + // Node.js v18.1.0 implements it, it does not have a full fetch() + // implementation yet. + // + // Reference: + // https://github.com/emscripten-core/emscripten/pull/16917 + !ENVIRONMENT_IS_NODE && + typeof fetch == 'function') { + return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { + // Suppress closure warning here since the upstream definition for + // instantiateStreaming only allows Promise rather than + // an actual Response. + // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed. + /** @suppress {checkTypes} */ + var result = WebAssembly.instantiateStreaming(response, info); + + return result.then( + receiveInstantiationResult, + 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'); + return instantiateArrayBuffer(receiveInstantiationResult); + }); + }); + } else { + return instantiateArrayBuffer(receiveInstantiationResult); + } + } + + // 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. + // Also pthreads and wasm workers initialize the wasm instance through this path. + if (Module['instantiateWasm']) { + try { + var exports = Module['instantiateWasm'](info, receiveInstance); + return exports; + } catch(e) { + err('Module.instantiateWasm callback failed with error: ' + e); + // If instantiation fails, reject the module ready promise. + readyPromiseReject(e); + } + } + + // If instantiation fails, reject the module ready promise. + instantiateAsync().catch(readyPromiseReject); + return {}; // no exports yet; we'll fill them in later +} + +// Globals used by JS i64 conversions (see makeSetValue) +var tempDouble; +var tempI64; + +// === Body === + +var ASM_CONSTS = { + +}; + + + + + + + /** @constructor */ + function ExitStatus(status) { + this.name = 'ExitStatus'; + this.message = 'Program terminated with exit(' + status + ')'; + this.status = status; + } + + function callRuntimeCallbacks(callbacks) { + while (callbacks.length > 0) { + // Pass the module as the first argument. + callbacks.shift()(Module); + } + } + + function withStackSave(f) { + var stack = stackSave(); + var ret = f(); + stackRestore(stack); + return ret; + } + function demangle(func) { + // If demangle has failed before, stop demangling any further function names + // This avoids an infinite recursion with malloc()->abort()->stackTrace()->demangle()->malloc()->... + demangle.recursionGuard = (demangle.recursionGuard|0)+1; + if (demangle.recursionGuard > 1) return func; + assert(___cxa_demangle); + return withStackSave(function() { + try { + var s = func; + if (s.startsWith('__Z')) + s = s.substr(1); + var len = lengthBytesUTF8(s)+1; + var buf = stackAlloc(len); + stringToUTF8(s, buf, len); + var status = stackAlloc(4); + var ret = ___cxa_demangle(buf, 0, 0, status); + if (HEAP32[((status)>>2)] === 0 && ret) { + return UTF8ToString(ret); + } + // otherwise, libcxxabi failed + } catch(e) { + } finally { + _free(ret); + if (demangle.recursionGuard < 2) --demangle.recursionGuard; + } + // failure when using libcxxabi, don't demangle + return func; + }); + } + + + /** + * @param {number} ptr + * @param {string} type + */ + function getValue(ptr, type = 'i8') { + if (type.endsWith('*')) type = '*'; + 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)]; + case '*': return HEAPU32[((ptr)>>2)]; + default: abort('invalid type for getValue: ' + type); + } + return null; + } + + + /** + * @param {number} ptr + * @param {number} value + * @param {string} type + */ + function setValue(ptr, value, type = 'i8') { + if (type.endsWith('*')) type = '*'; + 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; + case '*': HEAPU32[((ptr)>>2)] = value; break; + default: abort('invalid type for setValue: ' + type); + } + } + + function jsStackTrace() { + var error = new Error(); + if (!error.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(); + } catch(e) { + error = e; + } + if (!error.stack) { + return '(no stack trace available)'; + } + } + return error.stack.toString(); + } + + function demangleAll(text) { + var regex = + /\b_Z[\w\d_]+/g; + return text.replace(regex, + function(x) { + var y = demangle(x); + return x === y ? x : (y + ' [' + x + ']'); + }); + } + function stackTrace() { + var js = jsStackTrace(); + if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace'](); + return demangleAll(js); + } + + function warnOnce(text) { + if (!warnOnce.shown) warnOnce.shown = {}; + if (!warnOnce.shown[text]) { + warnOnce.shown[text] = 1; + if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text; + err(text); + } + } + + function ___assert_fail(condition, filename, line, func) { + abort('Assertion failed: ' + UTF8ToString(condition) + ', at: ' + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']); + } + + function ___cxa_allocate_exception(size) { + // Thrown object is prepended by exception metadata block + return _malloc(size + 24) + 24; + } + + var exceptionCaught = []; + + function exception_addRef(info) { + info.add_ref(); + } + + var uncaughtExceptionCount = 0; + function ___cxa_begin_catch(ptr) { + var info = new ExceptionInfo(ptr); + if (!info.get_caught()) { + info.set_caught(true); + uncaughtExceptionCount--; + } + info.set_rethrown(false); + exceptionCaught.push(info); + exception_addRef(info); + return info.get_exception_ptr(); + } + + var exceptionLast = 0; + + /** @constructor */ + function ExceptionInfo(excPtr) { + this.excPtr = excPtr; + this.ptr = excPtr - 24; + + this.set_type = function(type) { + HEAPU32[(((this.ptr)+(4))>>2)] = type; + }; + + this.get_type = function() { + return HEAPU32[(((this.ptr)+(4))>>2)]; + }; + + this.set_destructor = function(destructor) { + HEAPU32[(((this.ptr)+(8))>>2)] = destructor; + }; + + this.get_destructor = function() { + return HEAPU32[(((this.ptr)+(8))>>2)]; + }; + + this.set_refcount = function(refcount) { + HEAP32[((this.ptr)>>2)] = refcount; + }; + + this.set_caught = function (caught) { + caught = caught ? 1 : 0; + HEAP8[(((this.ptr)+(12))>>0)] = caught; + }; + + this.get_caught = function () { + return HEAP8[(((this.ptr)+(12))>>0)] != 0; + }; + + this.set_rethrown = function (rethrown) { + rethrown = rethrown ? 1 : 0; + HEAP8[(((this.ptr)+(13))>>0)] = rethrown; + }; + + this.get_rethrown = function () { + return HEAP8[(((this.ptr)+(13))>>0)] != 0; + }; + + // Initialize native structure fields. Should be called once after allocated. + this.init = function(type, destructor) { + this.set_adjusted_ptr(0); + this.set_type(type); + this.set_destructor(destructor); + this.set_refcount(0); + this.set_caught(false); + this.set_rethrown(false); + } + + this.add_ref = function() { + var value = HEAP32[((this.ptr)>>2)]; + HEAP32[((this.ptr)>>2)] = value + 1; + }; + + // Returns true if last reference released. + this.release_ref = function() { + var prev = HEAP32[((this.ptr)>>2)]; + HEAP32[((this.ptr)>>2)] = prev - 1; + assert(prev > 0); + return prev === 1; + }; + + this.set_adjusted_ptr = function(adjustedPtr) { + HEAPU32[(((this.ptr)+(16))>>2)] = adjustedPtr; + }; + + this.get_adjusted_ptr = function() { + return HEAPU32[(((this.ptr)+(16))>>2)]; + }; + + // Get pointer which is expected to be received by catch clause in C++ code. It may be adjusted + // when the pointer is casted to some of the exception object base classes (e.g. when virtual + // inheritance is used). When a pointer is thrown this method should return the thrown pointer + // itself. + this.get_exception_ptr = function() { + // Work around a fastcomp bug, this code is still included for some reason in a build without + // exceptions support. + var isPointer = ___cxa_is_pointer_type(this.get_type()); + if (isPointer) { + return HEAPU32[((this.excPtr)>>2)]; + } + var adjusted = this.get_adjusted_ptr(); + if (adjusted !== 0) return adjusted; + return this.excPtr; + }; + } + function ___cxa_free_exception(ptr) { + try { + return _free(new ExceptionInfo(ptr).ptr); + } catch(e) { + err('exception during __cxa_free_exception: ' + e); + } + } + + var wasmTableMirror = []; + function getWasmTableEntry(funcPtr) { + var func = wasmTableMirror[funcPtr]; + if (!func) { + if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1; + wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr); + } + assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!"); + return func; + } + function exception_decRef(info) { + // A rethrown exception can reach refcount 0; it must not be discarded + // Its next handler will clear the rethrown flag and addRef it, prior to + // final decRef and destruction here + if (info.release_ref() && !info.get_rethrown()) { + var destructor = info.get_destructor(); + if (destructor) { + // In Wasm, destructors return 'this' as in ARM + getWasmTableEntry(destructor)(info.excPtr); + } + ___cxa_free_exception(info.excPtr); + } + } + function ___cxa_end_catch() { + // Clear state flag. + _setThrew(0); + assert(exceptionCaught.length > 0); + // Call destructor if one is registered then clear it. + var info = exceptionCaught.pop(); + + exception_decRef(info); + exceptionLast = 0; // XXX in decRef? + } + + function ___resumeException(ptr) { + if (!exceptionLast) { exceptionLast = ptr; } + throw ptr; + } + function ___cxa_find_matching_catch_2() { + var thrown = exceptionLast; + if (!thrown) { + // just pass through the null ptr + setTempRet0(0); + return 0; + } + var info = new ExceptionInfo(thrown); + info.set_adjusted_ptr(thrown); + var thrownType = info.get_type(); + if (!thrownType) { + // just pass through the thrown ptr + setTempRet0(0); + return thrown; + } + + // can_catch receives a **, add indirection + // The different catch blocks are denoted by different types. + // Due to inheritance, those types may not precisely match the + // type of the thrown object. Find one which matches, and + // return the type of the catch block which should be called. + for (var i = 0; i < arguments.length; i++) { + var caughtType = arguments[i]; + if (caughtType === 0 || caughtType === thrownType) { + // Catch all clause matched or exactly the same type is caught + break; + } + var adjusted_ptr_addr = info.ptr + 16; + if (___cxa_can_catch(caughtType, thrownType, adjusted_ptr_addr)) { + setTempRet0(caughtType); + return thrown; + } + } + setTempRet0(thrownType); + return thrown; + } + + function ___cxa_find_matching_catch_3() { + var thrown = exceptionLast; + if (!thrown) { + // just pass through the null ptr + setTempRet0(0); + return 0; + } + var info = new ExceptionInfo(thrown); + info.set_adjusted_ptr(thrown); + var thrownType = info.get_type(); + if (!thrownType) { + // just pass through the thrown ptr + setTempRet0(0); + return thrown; + } + + // can_catch receives a **, add indirection + // The different catch blocks are denoted by different types. + // Due to inheritance, those types may not precisely match the + // type of the thrown object. Find one which matches, and + // return the type of the catch block which should be called. + for (var i = 0; i < arguments.length; i++) { + var caughtType = arguments[i]; + if (caughtType === 0 || caughtType === thrownType) { + // Catch all clause matched or exactly the same type is caught + break; + } + var adjusted_ptr_addr = info.ptr + 16; + if (___cxa_can_catch(caughtType, thrownType, adjusted_ptr_addr)) { + setTempRet0(caughtType); + return thrown; + } + } + setTempRet0(thrownType); + return thrown; + } + + + function ___cxa_rethrow() { + var info = exceptionCaught.pop(); + if (!info) { + abort('no exception to throw'); + } + var ptr = info.excPtr; + if (!info.get_rethrown()) { + // Only pop if the corresponding push was through rethrow_primary_exception + exceptionCaught.push(info); + info.set_rethrown(true); + info.set_caught(false); + uncaughtExceptionCount++; + } + exceptionLast = ptr; + throw ptr; + } + + function ___cxa_throw(ptr, type, destructor) { + var info = new ExceptionInfo(ptr); + // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception. + info.init(type, destructor); + exceptionLast = ptr; + uncaughtExceptionCount++; + throw ptr; + } + + function ___cxa_uncaught_exceptions() { + return uncaughtExceptionCount; + } + + + function setErrNo(value) { + HEAP32[((___errno_location())>>2)] = value; + return value; + } + + var PATH = {isAbs:(path) => path.charAt(0) === '/',splitPath:(filename) => { + var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; + return splitPathRe.exec(filename).slice(1); + },normalizeArray:(parts, allowAboveRoot) => { + // if the path tries to go above the root, `up` ends up > 0 + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === '.') { + parts.splice(i, 1); + } else if (last === '..') { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + // if the path is allowed to go above the root, restore leading ..s + if (allowAboveRoot) { + for (; up; up--) { + parts.unshift('..'); + } + } + return parts; + },normalize:(path) => { + var isAbsolute = PATH.isAbs(path), + trailingSlash = path.substr(-1) === '/'; + // Normalize the path + path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/'); + if (!path && !isAbsolute) { + path = '.'; + } + if (path && trailingSlash) { + path += '/'; + } + return (isAbsolute ? '/' : '') + path; + },dirname:(path) => { + var result = PATH.splitPath(path), + root = result[0], + dir = result[1]; + if (!root && !dir) { + // No dirname whatsoever + return '.'; + } + if (dir) { + // It has a dirname, strip trailing slash + dir = dir.substr(0, dir.length - 1); + } + return root + dir; + },basename:(path) => { + // EMSCRIPTEN return '/'' for '/', not an empty string + if (path === '/') return '/'; + path = PATH.normalize(path); + path = path.replace(/\/$/, ""); + var lastSlash = path.lastIndexOf('/'); + if (lastSlash === -1) return path; + return path.substr(lastSlash+1); + },join:function() { + var paths = Array.prototype.slice.call(arguments); + return PATH.normalize(paths.join('/')); + },join2:(l, r) => { + return PATH.normalize(l + '/' + r); + }}; + + function getRandomDevice() { + if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') { + // for modern web browsers + var randomBuffer = new Uint8Array(1); + return () => { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; }; + } else + if (ENVIRONMENT_IS_NODE) { + // for nodejs with or without crypto support included + try { + var crypto_module = require('crypto'); + // nodejs has crypto support + return () => crypto_module['randomBytes'](1)[0]; + } catch (e) { + // nodejs doesn't have crypto support + } + } + // we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096 + return () => abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };"); + } + + var PATH_FS = {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.isAbs(path); + } + // 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((p) => !!p), !resolvedAbsolute).join('/'); + return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; + },relative:(from, to) => { + from = PATH_FS.resolve(from).substr(1); + to = PATH_FS.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('/'); + }}; + + /** @type {function(string, boolean=, number=)} */ + function intArrayFromString(stringy, dontAddNull, length) { + var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; + var u8array = new Array(len); + var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); + if (dontAddNull) u8array.length = numBytesWritten; + return u8array; + } + var TTY = {ttys:[],init:function () { + // https://github.com/emscripten-core/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/emscripten-core/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(43); + } + stream.tty = tty; + stream.seekable = false; + },close:function(stream) { + // flush any pending line data + stream.tty.ops.fsync(stream.tty); + },fsync:function(stream) { + stream.tty.ops.fsync(stream.tty); + },read:function(stream, buffer, offset, length, pos /* ignored */) { + if (!stream.tty || !stream.tty.ops.get_char) { + throw new FS.ErrnoError(60); + } + 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(29); + } + if (result === undefined && bytesRead === 0) { + throw new FS.ErrnoError(6); + } + 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(60); + } + try { + for (var i = 0; i < length; i++) { + stream.tty.ops.put_char(stream.tty, buffer[offset+i]); + } + } catch (e) { + throw new FS.ErrnoError(29); + } + 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 = Buffer.alloc(BUFSIZE); + var bytesRead = 0; + + try { + bytesRead = fs.readSync(process.stdin.fd, buf, 0, BUFSIZE, -1); + } 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().includes('EOF')) bytesRead = 0; + else throw e; + } + + 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. + } + },fsync: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); + } + },fsync:function(tty) { + if (tty.output && tty.output.length > 0) { + err(UTF8ArrayToString(tty.output, 0)); + tty.output = []; + } + }}}; + + function zeroMemory(address, size) { + HEAPU8.fill(0, address, address + size); + return address; + } + + function alignMemory(size, alignment) { + assert(alignment, "alignment argument is required"); + return Math.ceil(size / alignment) * alignment; + } + function mmapAlloc(size) { + abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported'); + } + 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(63); + } + 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; + parent.timestamp = node.timestamp; + } + return node; + },getFileDataAsTypedArray:function(node) { + if (!node.contents) return new Uint8Array(0); + 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) { + 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. + },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; + } else { + var oldContents = node.contents; + node.contents = new Uint8Array(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; + } + },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[44]; + },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(55); + } + } + } + // do the internal rewiring + delete old_node.parent.contents[old_node.name]; + old_node.parent.timestamp = Date.now() + old_node.name = new_name; + new_dir.contents[new_name] = old_node; + new_dir.timestamp = old_node.parent.timestamp; + old_node.parent = new_dir; + },unlink:function(parent, name) { + delete parent.contents[name]; + parent.timestamp = Date.now(); + },rmdir:function(parent, name) { + var node = FS.lookupNode(parent, name); + for (var i in node.contents) { + throw new FS.ErrnoError(55); + } + delete parent.contents[name]; + parent.timestamp = Date.now(); + },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(28); + } + 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) { + // The data buffer should be a typed array view + assert(!(buffer instanceof ArrayBuffer)); + + 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) { + assert(position === 0, 'canOwn must imply no weird position inside the file'); + 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 = buffer.slice(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) { + // Use typed array write which is available. + node.contents.set(buffer.subarray(offset, offset + length), position); + } 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) { + position += stream.position; + } else if (whence === 2) { + if (FS.isFile(stream.node.mode)) { + position += stream.node.usedBytes; + } + } + if (position < 0) { + throw new FS.ErrnoError(28); + } + 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, length, position, prot, flags) { + if (!FS.isFile(stream.node.mode)) { + throw new FS.ErrnoError(43); + } + 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) { + // We can't emulate MAP_SHARED when the file is not backed by the buffer + // we're mapping to (e.g. the HEAP buffer). + allocated = false; + ptr = contents.byteOffset; + } else { + // Try to avoid unnecessary slices. + if (position > 0 || position + length < contents.length) { + if (contents.subarray) { + contents = contents.subarray(position, position + length); + } else { + contents = Array.prototype.slice.call(contents, position, position + length); + } + } + allocated = true; + ptr = mmapAlloc(length); + if (!ptr) { + throw new FS.ErrnoError(48); + } + HEAP8.set(contents, ptr); + } + return { ptr: ptr, allocated: allocated }; + },msync:function(stream, buffer, offset, length, mmapFlags) { + MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); + // should we check if bytesWritten and length are the same? + return 0; + }}}; + + /** @param {boolean=} noRunDep */ + function asyncLoad(url, onload, onerror, noRunDep) { + var dep = !noRunDep ? getUniqueRunDependency('al ' + url) : ''; + readAsync(url, (arrayBuffer) => { + assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).'); + onload(new Uint8Array(arrayBuffer)); + if (dep) removeRunDependency(dep); + }, (event) => { + if (onerror) { + onerror(); + } else { + throw 'Loading data file "' + url + '" failed.'; + } + }); + if (dep) addRunDependency(dep); + } + + var ERRNO_MESSAGES = {0:"Success",1:"Arg list too long",2:"Permission denied",3:"Address already in use",4:"Address not available",5:"Address family not supported by protocol family",6:"No more processes",7:"Socket already connected",8:"Bad file number",9:"Trying to read unreadable message",10:"Mount device busy",11:"Operation canceled",12:"No children",13:"Connection aborted",14:"Connection refused",15:"Connection reset by peer",16:"File locking deadlock error",17:"Destination address required",18:"Math arg out of domain of func",19:"Quota exceeded",20:"File exists",21:"Bad address",22:"File too large",23:"Host is unreachable",24:"Identifier removed",25:"Illegal byte sequence",26:"Connection already in progress",27:"Interrupted system call",28:"Invalid argument",29:"I/O error",30:"Socket is already connected",31:"Is a directory",32:"Too many symbolic links",33:"Too many open files",34:"Too many links",35:"Message too long",36:"Multihop attempted",37:"File or path name too long",38:"Network interface is not configured",39:"Connection reset by network",40:"Network is unreachable",41:"Too many open files in system",42:"No buffer space available",43:"No such device",44:"No such file or directory",45:"Exec format error",46:"No record locks available",47:"The link has been severed",48:"Not enough core",49:"No message of desired type",50:"Protocol not available",51:"No space left on device",52:"Function not implemented",53:"Socket is not connected",54:"Not a directory",55:"Directory not empty",56:"State not recoverable",57:"Socket operation on non-socket",59:"Not a typewriter",60:"No such device or address",61:"Value too large for defined data type",62:"Previous owner died",63:"Not super-user",64:"Broken pipe",65:"Protocol error",66:"Unknown protocol",67:"Protocol wrong type for socket",68:"Math result not representable",69:"Read only file system",70:"Illegal seek",71:"No such process",72:"Stale file handle",73:"Connection timed out",74:"Text file busy",75:"Cross-device link",100:"Device not a stream",101:"Bad font file fmt",102:"Invalid slot",103:"Invalid request code",104:"No anode",105:"Block device required",106:"Channel number out of range",107:"Level 3 halted",108:"Level 3 reset",109:"Link number out of range",110:"Protocol driver not attached",111:"No CSI structure available",112:"Level 2 halted",113:"Invalid exchange",114:"Invalid request descriptor",115:"Exchange full",116:"No data (for no delay io)",117:"Timer expired",118:"Out of streams resources",119:"Machine is not on the network",120:"Package not installed",121:"The object is remote",122:"Advertise error",123:"Srmount error",124:"Communication error on send",125:"Cross mount point (not really error)",126:"Given log. name not unique",127:"f.d. invalid for this operation",128:"Remote address changed",129:"Can access a needed shared lib",130:"Accessing a corrupted shared lib",131:".lib section in a.out corrupted",132:"Attempting to link in too many libs",133:"Attempting to exec a shared library",135:"Streams pipe error",136:"Too many users",137:"Socket type not supported",138:"Not supported",139:"Protocol family not supported",140:"Can't send after socket shutdown",141:"Too many references",142:"Host is down",148:"No medium (in tape drive)",156:"Level 2 not synchronized"}; + + var ERRNO_CODES = {}; + var FS = {root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:(path, opts = {}) => { + path = PATH_FS.resolve(FS.cwd(), path); + + if (!path) return { path: '', node: null }; + + var defaults = { + follow_mount: true, + recurse_count: 0 + }; + opts = Object.assign(defaults, opts) + + if (opts.recurse_count > 8) { // max recursive lookup of 8 + throw new FS.ErrnoError(32); + } + + // split the path + var parts = PATH.normalizeArray(path.split('/').filter((p) => !!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_FS.resolve(PATH.dirname(current_path), link); + + var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count + 1 }); + current = lookup.node; + + if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX). + throw new FS.ErrnoError(32); + } + } + } + } + + return { path: current_path, node: current }; + },getPath:(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:(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:(node) => { + var hash = FS.hashName(node.parent.id, node.name); + node.name_next = FS.nameTable[hash]; + FS.nameTable[hash] = node; + },hashRemoveNode:(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:(parent, name) => { + var errCode = FS.mayLookup(parent); + if (errCode) { + throw new FS.ErrnoError(errCode, 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:(parent, name, mode, rdev) => { + assert(typeof parent == 'object') + var node = new FS.FSNode(parent, name, mode, rdev); + + FS.hashAddNode(node); + + return node; + },destroyNode:(node) => { + FS.hashRemoveNode(node); + },isRoot:(node) => { + return node === node.parent; + },isMountpoint:(node) => { + return !!node.mounted; + },isFile:(mode) => { + return (mode & 61440) === 32768; + },isDir:(mode) => { + return (mode & 61440) === 16384; + },isLink:(mode) => { + return (mode & 61440) === 40960; + },isChrdev:(mode) => { + return (mode & 61440) === 8192; + },isBlkdev:(mode) => { + return (mode & 61440) === 24576; + },isFIFO:(mode) => { + return (mode & 61440) === 4096; + },isSocket:(mode) => { + return (mode & 49152) === 49152; + },flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:(str) => { + var flags = FS.flagModes[str]; + if (typeof flags == 'undefined') { + throw new Error('Unknown file open mode: ' + str); + } + return flags; + },flagsToPermissionString:(flag) => { + var perms = ['r', 'w', 'rw'][flag & 3]; + if ((flag & 512)) { + perms += 'w'; + } + return perms; + },nodePermissions:(node, perms) => { + if (FS.ignorePermissions) { + return 0; + } + // return 0 if any user, group or owner bits are set. + if (perms.includes('r') && !(node.mode & 292)) { + return 2; + } else if (perms.includes('w') && !(node.mode & 146)) { + return 2; + } else if (perms.includes('x') && !(node.mode & 73)) { + return 2; + } + return 0; + },mayLookup:(dir) => { + var errCode = FS.nodePermissions(dir, 'x'); + if (errCode) return errCode; + if (!dir.node_ops.lookup) return 2; + return 0; + },mayCreate:(dir, name) => { + try { + var node = FS.lookupNode(dir, name); + return 20; + } catch (e) { + } + return FS.nodePermissions(dir, 'wx'); + },mayDelete:(dir, name, isdir) => { + var node; + try { + node = FS.lookupNode(dir, name); + } catch (e) { + return e.errno; + } + var errCode = FS.nodePermissions(dir, 'wx'); + if (errCode) { + return errCode; + } + if (isdir) { + if (!FS.isDir(node.mode)) { + return 54; + } + if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { + return 10; + } + } else { + if (FS.isDir(node.mode)) { + return 31; + } + } + return 0; + },mayOpen:(node, flags) => { + if (!node) { + return 44; + } + if (FS.isLink(node.mode)) { + return 32; + } 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 31; + } + } + return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); + },MAX_OPEN_FDS:4096,nextfd:(fd_start = 0, 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(33); + },getStream:(fd) => FS.streams[fd],createStream:(stream, fd_start, fd_end) => { + if (!FS.FSStream) { + FS.FSStream = /** @constructor */ function() { + this.shared = { }; + }; + FS.FSStream.prototype = {}; + Object.defineProperties(FS.FSStream.prototype, { + object: { + /** @this {FS.FSStream} */ + get: function() { return this.node; }, + /** @this {FS.FSStream} */ + set: function(val) { this.node = val; } + }, + isRead: { + /** @this {FS.FSStream} */ + get: function() { return (this.flags & 2097155) !== 1; } + }, + isWrite: { + /** @this {FS.FSStream} */ + get: function() { return (this.flags & 2097155) !== 0; } + }, + isAppend: { + /** @this {FS.FSStream} */ + get: function() { return (this.flags & 1024); } + }, + flags: { + /** @this {FS.FSStream} */ + get: function() { return this.shared.flags; }, + /** @this {FS.FSStream} */ + set: function(val) { this.shared.flags = val; }, + }, + position : { + /** @this {FS.FSStream} */ + get: function() { return this.shared.position; }, + /** @this {FS.FSStream} */ + set: function(val) { this.shared.position = val; }, + }, + }); + } + // clone it, so we can return an instance of FSStream + stream = Object.assign(new FS.FSStream(), stream); + var fd = FS.nextfd(fd_start, fd_end); + stream.fd = fd; + FS.streams[fd] = stream; + return stream; + },closeStream:(fd) => { + FS.streams[fd] = null; + },chrdev_stream_ops:{open:(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:() => { + throw new FS.ErrnoError(70); + }},major:(dev) => ((dev) >> 8),minor:(dev) => ((dev) & 0xff),makedev:(ma, mi) => ((ma) << 8 | (mi)),registerDevice:(dev, ops) => { + FS.devices[dev] = { stream_ops: ops }; + },getDevice:(dev) => FS.devices[dev],getMounts:(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:(populate, callback) => { + if (typeof populate == 'function') { + callback = populate; + populate = false; + } + + FS.syncFSRequests++; + + if (FS.syncFSRequests > 1) { + err('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(errCode) { + assert(FS.syncFSRequests > 0); + FS.syncFSRequests--; + return callback(errCode); + } + + function done(errCode) { + if (errCode) { + if (!done.errored) { + done.errored = true; + return doCallback(errCode); + } + return; + } + if (++completed >= mounts.length) { + doCallback(null); + } + }; + + // sync all mounts + mounts.forEach((mount) => { + if (!mount.type.syncfs) { + return done(null); + } + mount.type.syncfs(mount, populate, done); + }); + },mount:(type, opts, mountpoint) => { + if (typeof type == 'string') { + // The filesystem was not included, and instead we have an error + // message stored in the variable. + throw type; + } + var root = mountpoint === '/'; + var pseudo = !mountpoint; + var node; + + if (root && FS.root) { + throw new FS.ErrnoError(10); + } 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(10); + } + + if (!FS.isDir(node.mode)) { + throw new FS.ErrnoError(54); + } + } + + 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:(mountpoint) => { + var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); + + if (!FS.isMountpoint(lookup.node)) { + throw new FS.ErrnoError(28); + } + + // 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((hash) => { + var current = FS.nameTable[hash]; + + while (current) { + var next = current.name_next; + + if (mounts.includes(current.mount)) { + 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:(parent, name) => { + return parent.node_ops.lookup(parent, name); + },mknod:(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(28); + } + var errCode = FS.mayCreate(parent, name); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.mknod) { + throw new FS.ErrnoError(63); + } + return parent.node_ops.mknod(parent, name, mode, dev); + },create:(path, mode) => { + mode = mode !== undefined ? mode : 438 /* 0666 */; + mode &= 4095; + mode |= 32768; + return FS.mknod(path, mode, 0); + },mkdir:(path, mode) => { + mode = mode !== undefined ? mode : 511 /* 0777 */; + mode &= 511 | 512; + mode |= 16384; + return FS.mknod(path, mode, 0); + },mkdirTree:(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 != 20) throw e; + } + } + },mkdev:(path, mode, dev) => { + if (typeof dev == 'undefined') { + dev = mode; + mode = 438 /* 0666 */; + } + mode |= 8192; + return FS.mknod(path, mode, dev); + },symlink:(oldpath, newpath) => { + if (!PATH_FS.resolve(oldpath)) { + throw new FS.ErrnoError(44); + } + var lookup = FS.lookupPath(newpath, { parent: true }); + var parent = lookup.node; + if (!parent) { + throw new FS.ErrnoError(44); + } + var newname = PATH.basename(newpath); + var errCode = FS.mayCreate(parent, newname); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.symlink) { + throw new FS.ErrnoError(63); + } + return parent.node_ops.symlink(parent, newname, oldpath); + },rename:(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; + + // let the errors from non existant directories percolate up + lookup = FS.lookupPath(old_path, { parent: true }); + old_dir = lookup.node; + lookup = FS.lookupPath(new_path, { parent: true }); + new_dir = lookup.node; + + if (!old_dir || !new_dir) throw new FS.ErrnoError(44); + // need to be part of the same mount + if (old_dir.mount !== new_dir.mount) { + throw new FS.ErrnoError(75); + } + // 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_FS.relative(old_path, new_dirname); + if (relative.charAt(0) !== '.') { + throw new FS.ErrnoError(28); + } + // new path should not be an ancestor of the old path + relative = PATH_FS.relative(new_path, old_dirname); + if (relative.charAt(0) !== '.') { + throw new FS.ErrnoError(55); + } + // 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 errCode = FS.mayDelete(old_dir, old_name, isdir); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + // need delete permissions if we'll be overwriting. + // need create permissions if new doesn't already exist. + errCode = new_node ? + FS.mayDelete(new_dir, new_name, isdir) : + FS.mayCreate(new_dir, new_name); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!old_dir.node_ops.rename) { + throw new FS.ErrnoError(63); + } + if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) { + throw new FS.ErrnoError(10); + } + // if we are going to change the parent, check write permissions + if (new_dir !== old_dir) { + errCode = FS.nodePermissions(old_dir, 'w'); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + } + // remove the node from the lookup hash + FS.hashRemoveNode(old_node); + // do the underlying fs rename + try { + old_dir.node_ops.rename(old_node, new_dir, new_name); + } catch (e) { + throw e; + } finally { + // add the node back to the hash (in case node_ops.rename + // changed its name) + FS.hashAddNode(old_node); + } + },rmdir:(path) => { + var lookup = FS.lookupPath(path, { parent: true }); + var parent = lookup.node; + var name = PATH.basename(path); + var node = FS.lookupNode(parent, name); + var errCode = FS.mayDelete(parent, name, true); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.rmdir) { + throw new FS.ErrnoError(63); + } + if (FS.isMountpoint(node)) { + throw new FS.ErrnoError(10); + } + parent.node_ops.rmdir(parent, name); + FS.destroyNode(node); + },readdir:(path) => { + var lookup = FS.lookupPath(path, { follow: true }); + var node = lookup.node; + if (!node.node_ops.readdir) { + throw new FS.ErrnoError(54); + } + return node.node_ops.readdir(node); + },unlink:(path) => { + var lookup = FS.lookupPath(path, { parent: true }); + var parent = lookup.node; + if (!parent) { + throw new FS.ErrnoError(44); + } + var name = PATH.basename(path); + var node = FS.lookupNode(parent, name); + var errCode = FS.mayDelete(parent, name, false); + if (errCode) { + // 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(errCode); + } + if (!parent.node_ops.unlink) { + throw new FS.ErrnoError(63); + } + if (FS.isMountpoint(node)) { + throw new FS.ErrnoError(10); + } + parent.node_ops.unlink(parent, name); + FS.destroyNode(node); + },readlink:(path) => { + var lookup = FS.lookupPath(path); + var link = lookup.node; + if (!link) { + throw new FS.ErrnoError(44); + } + if (!link.node_ops.readlink) { + throw new FS.ErrnoError(28); + } + return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link)); + },stat:(path, dontFollow) => { + var lookup = FS.lookupPath(path, { follow: !dontFollow }); + var node = lookup.node; + if (!node) { + throw new FS.ErrnoError(44); + } + if (!node.node_ops.getattr) { + throw new FS.ErrnoError(63); + } + return node.node_ops.getattr(node); + },lstat:(path) => { + return FS.stat(path, true); + },chmod:(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(63); + } + node.node_ops.setattr(node, { + mode: (mode & 4095) | (node.mode & ~4095), + timestamp: Date.now() + }); + },lchmod:(path, mode) => { + FS.chmod(path, mode, true); + },fchmod:(fd, mode) => { + var stream = FS.getStream(fd); + if (!stream) { + throw new FS.ErrnoError(8); + } + FS.chmod(stream.node, mode); + },chown:(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(63); + } + node.node_ops.setattr(node, { + timestamp: Date.now() + // we ignore the uid / gid for now + }); + },lchown:(path, uid, gid) => { + FS.chown(path, uid, gid, true); + },fchown:(fd, uid, gid) => { + var stream = FS.getStream(fd); + if (!stream) { + throw new FS.ErrnoError(8); + } + FS.chown(stream.node, uid, gid); + },truncate:(path, len) => { + if (len < 0) { + throw new FS.ErrnoError(28); + } + 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(63); + } + if (FS.isDir(node.mode)) { + throw new FS.ErrnoError(31); + } + if (!FS.isFile(node.mode)) { + throw new FS.ErrnoError(28); + } + var errCode = FS.nodePermissions(node, 'w'); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + node.node_ops.setattr(node, { + size: len, + timestamp: Date.now() + }); + },ftruncate:(fd, len) => { + var stream = FS.getStream(fd); + if (!stream) { + throw new FS.ErrnoError(8); + } + if ((stream.flags & 2097155) === 0) { + throw new FS.ErrnoError(28); + } + FS.truncate(stream.node, len); + },utime:(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:(path, flags, mode) => { + if (path === "") { + throw new FS.ErrnoError(44); + } + 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(20); + } + } else { + // node doesn't exist, try to create it + node = FS.mknod(path, mode, 0); + created = true; + } + } + if (!node) { + throw new FS.ErrnoError(44); + } + // 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(54); + } + // 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 errCode = FS.mayOpen(node, flags); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + } + // do truncation if necessary + if ((flags & 512) && !created) { + FS.truncate(node, 0); + } + // we've already handled these, don't pass down to the underlying vfs + flags &= ~(128 | 512 | 131072); + + // 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 + }); + // 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; + } + } + return stream; + },close:(stream) => { + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + 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:(stream) => { + return stream.fd === null; + },llseek:(stream, offset, whence) => { + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if (!stream.seekable || !stream.stream_ops.llseek) { + throw new FS.ErrnoError(70); + } + if (whence != 0 && whence != 1 && whence != 2) { + throw new FS.ErrnoError(28); + } + stream.position = stream.stream_ops.llseek(stream, offset, whence); + stream.ungotten = []; + return stream.position; + },read:(stream, buffer, offset, length, position) => { + if (length < 0 || position < 0) { + throw new FS.ErrnoError(28); + } + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if ((stream.flags & 2097155) === 1) { + throw new FS.ErrnoError(8); + } + if (FS.isDir(stream.node.mode)) { + throw new FS.ErrnoError(31); + } + if (!stream.stream_ops.read) { + throw new FS.ErrnoError(28); + } + var seeking = typeof position != 'undefined'; + if (!seeking) { + position = stream.position; + } else if (!stream.seekable) { + throw new FS.ErrnoError(70); + } + var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position); + if (!seeking) stream.position += bytesRead; + return bytesRead; + },write:(stream, buffer, offset, length, position, canOwn) => { + if (length < 0 || position < 0) { + throw new FS.ErrnoError(28); + } + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if ((stream.flags & 2097155) === 0) { + throw new FS.ErrnoError(8); + } + if (FS.isDir(stream.node.mode)) { + throw new FS.ErrnoError(31); + } + if (!stream.stream_ops.write) { + throw new FS.ErrnoError(28); + } + if (stream.seekable && 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(70); + } + var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); + if (!seeking) stream.position += bytesWritten; + return bytesWritten; + },allocate:(stream, offset, length) => { + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if (offset < 0 || length <= 0) { + throw new FS.ErrnoError(28); + } + if ((stream.flags & 2097155) === 0) { + throw new FS.ErrnoError(8); + } + if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) { + throw new FS.ErrnoError(43); + } + if (!stream.stream_ops.allocate) { + throw new FS.ErrnoError(138); + } + stream.stream_ops.allocate(stream, offset, length); + },mmap:(stream, length, position, prot, flags) => { + // User requests writing to file (prot & PROT_WRITE != 0). + // Checking if we have permissions to write to the file unless + // MAP_PRIVATE flag is set. According to POSIX spec it is possible + // to write to file opened in read-only mode with MAP_PRIVATE flag, + // as all modifications will be visible only in the memory of + // the current process. + if ((prot & 2) !== 0 + && (flags & 2) === 0 + && (stream.flags & 2097155) !== 2) { + throw new FS.ErrnoError(2); + } + if ((stream.flags & 2097155) === 1) { + throw new FS.ErrnoError(2); + } + if (!stream.stream_ops.mmap) { + throw new FS.ErrnoError(43); + } + return stream.stream_ops.mmap(stream, length, position, prot, flags); + },msync:(stream, buffer, offset, length, mmapFlags) => { + if (!stream.stream_ops.msync) { + return 0; + } + return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags); + },munmap:(stream) => 0,ioctl:(stream, cmd, arg) => { + if (!stream.stream_ops.ioctl) { + throw new FS.ErrnoError(59); + } + return stream.stream_ops.ioctl(stream, cmd, arg); + },readFile:(path, opts = {}) => { + opts.flags = opts.flags || 0; + 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:(path, data, opts = {}) => { + opts.flags = opts.flags || 577; + 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:() => FS.currentPath,chdir:(path) => { + var lookup = FS.lookupPath(path, { follow: true }); + if (lookup.node === null) { + throw new FS.ErrnoError(44); + } + if (!FS.isDir(lookup.node.mode)) { + throw new FS.ErrnoError(54); + } + var errCode = FS.nodePermissions(lookup.node, 'x'); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + FS.currentPath = lookup.path; + },createDefaultDirectories:() => { + FS.mkdir('/tmp'); + FS.mkdir('/home'); + FS.mkdir('/home/web_user'); + },createDefaultDevices:() => { + // create /dev + FS.mkdir('/dev'); + // setup /dev/null + FS.registerDevice(FS.makedev(1, 3), { + read: () => 0, + write: (stream, buffer, offset, length, pos) => length, + }); + FS.mkdev('/dev/null', FS.makedev(1, 3)); + // setup /dev/tty and /dev/tty1 + // stderr needs to print output using err() rather than out() + // 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 = getRandomDevice(); + 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:() => { + // 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'); + var proc_self = FS.mkdir('/proc/self'); + FS.mkdir('/proc/self/fd'); + FS.mount({ + mount: () => { + var node = FS.createNode(proc_self, 'fd', 16384 | 511 /* 0777 */, 73); + node.node_ops = { + lookup: (parent, name) => { + var fd = +name; + var stream = FS.getStream(fd); + if (!stream) throw new FS.ErrnoError(8); + var ret = { + parent: null, + mount: { mountpoint: 'fake' }, + node_ops: { readlink: () => stream.path }, + }; + ret.parent = ret; // make it look like a simple root node + return ret; + } + }; + return node; + } + }, {}, '/proc/self/fd'); + },createStandardStreams:() => { + // 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', 0); + var stdout = FS.open('/dev/stdout', 1); + var stderr = FS.open('/dev/stderr', 1); + assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')'); + assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')'); + assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')'); + },ensureErrnoError:() => { + if (FS.ErrnoError) return; + FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) { + this.node = node; + this.setErrno = /** @this{Object} */ 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]; + + // Try to get a maximally helpful stack trace. On Node.js, getting Error.stack + // now ensures it shows what we want. + if (this.stack) { + // Define the stack property for Node.js 4, which otherwise errors on the next line. + Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true }); + this.stack = demangleAll(this.stack); + } + }; + 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) + [44].forEach((code) => { + FS.genericErrors[code] = new FS.ErrnoError(code); + FS.genericErrors[code].stack = ''; + }); + },staticInit:() => { + FS.ensureErrnoError(); + + FS.nameTable = new Array(4096); + + FS.mount(MEMFS, {}, '/'); + + FS.createDefaultDirectories(); + FS.createDefaultDevices(); + FS.createSpecialDirectories(); + + FS.filesystems = { + 'MEMFS': MEMFS, + }; + },init:(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:() => { + FS.init.initialized = false; + // force-flush all streams, so we get musl std streams printed out + _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:(canRead, canWrite) => { + var mode = 0; + if (canRead) mode |= 292 | 73; + if (canWrite) mode |= 146; + return mode; + },findObject:(path, dontResolveLastLink) => { + var ret = FS.analyzePath(path, dontResolveLastLink); + if (!ret.exists) { + return null; + } + return ret.object; + },analyzePath:(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; + },createPath:(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:(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:(parent, name, data, canRead, canWrite, canOwn) => { + var path = name; + if (parent) { + parent = typeof parent == 'string' ? parent : FS.getPath(parent); + path = name ? PATH.join2(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, 577); + FS.write(stream, data, 0, data.length, 0, canOwn); + FS.close(stream); + FS.chmod(node, mode); + } + return node; + },createDevice:(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: (stream) => { + stream.seekable = false; + }, + close: (stream) => { + // flush any pending line data + if (output && output.buffer && output.buffer.length) { + output(10); + } + }, + read: (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(29); + } + if (result === undefined && bytesRead === 0) { + throw new FS.ErrnoError(6); + } + if (result === null || result === undefined) break; + bytesRead++; + buffer[offset+i] = result; + } + if (bytesRead) { + stream.node.timestamp = Date.now(); + } + return bytesRead; + }, + write: (stream, buffer, offset, length, pos) => { + for (var i = 0; i < length; i++) { + try { + output(buffer[offset+i]); + } catch (e) { + throw new FS.ErrnoError(29); + } + } + if (length) { + stream.node.timestamp = Date.now(); + } + return i; + } + }); + return FS.mkdev(path, mode, dev); + },forceLoadFile:(obj) => { + if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return 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 (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(read_(obj.url), true); + obj.usedBytes = obj.contents.length; + } catch (e) { + throw new FS.ErrnoError(29); + } + } else { + throw new Error('Cannot load without read() or XMLHttpRequest.'); + } + },createLazyFile:(parent, name, url, canRead, canWrite) => { + // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse. + /** @constructor */ + function LazyUint8Array() { + this.lengthKnown = false; + this.chunks = []; // Loaded chunks. Index is the chunk number + } + LazyUint8Array.prototype.get = /** @this{Object} */ 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 = (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. + 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(/** @type{Array} */(xhr.response || [])); + } + return intArrayFromString(xhr.responseText || '', true); + }; + var lazyArray = this; + lazyArray.setDataGetter((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; + out("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: /** @this{Object} */ function() { + if (!this.lengthKnown) { + this.cacheLength(); + } + return this._length; + } + }, + chunkSize: { + get: /** @this{Object} */ 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: /** @this {FSNode} */ 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((key) => { + var fn = node.stream_ops[key]; + stream_ops[key] = function forceLoadLazyFile() { + FS.forceLoadFile(node); + return fn.apply(null, arguments); + }; + }); + function writeChunks(stream, buffer, offset, length, position) { + var contents = stream.node.contents; + if (position >= contents.length) + return 0; + var size = Math.min(contents.length - position, length); + assert(size >= 0); + if (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; + } + // use a custom read function + stream_ops.read = (stream, buffer, offset, length, position) => { + FS.forceLoadFile(node); + return writeChunks(stream, buffer, offset, length, position) + }; + // use a custom mmap function + stream_ops.mmap = (stream, length, position, prot, flags) => { + FS.forceLoadFile(node); + var ptr = mmapAlloc(length); + if (!ptr) { + throw new FS.ErrnoError(48); + } + writeChunks(stream, HEAP8, ptr, length, position); + return { ptr: ptr, allocated: true }; + }; + node.stream_ops = stream_ops; + return node; + },createPreloadedFile:(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { + // 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_FS.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); + } + if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => { + if (onerror) onerror(); + removeRunDependency(dep); + })) { + return; + } + finish(byteArray); + } + addRunDependency(dep); + if (typeof url == 'string') { + asyncLoad(url, (byteArray) => processData(byteArray), onerror); + } else { + processData(url); + } + },indexedDB:() => { + return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; + },DB_NAME:() => { + return 'EM_FS_' + window.location.pathname; + },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths, onload, onerror) => { + onload = onload || (() => {}); + onerror = onerror || (() => {}); + var indexedDB = FS.indexedDB(); + try { + var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); + } catch (e) { + return onerror(e); + } + openRequest.onupgradeneeded = () => { + out('creating db'); + var db = openRequest.result; + db.createObjectStore(FS.DB_STORE_NAME); + }; + 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((path) => { + var putRequest = files.put(FS.analyzePath(path).object.contents, path); + putRequest.onsuccess = () => { ok++; if (ok + fail == total) finish() }; + putRequest.onerror = () => { fail++; if (ok + fail == total) finish() }; + }); + transaction.onerror = onerror; + }; + openRequest.onerror = onerror; + },loadFilesFromDB:(paths, onload, onerror) => { + onload = onload || (() => {}); + onerror = onerror || (() => {}); + 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 = () => { + 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((path) => { + var getRequest = files.get(path); + 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 = () => { fail++; if (ok + fail == total) finish() }; + }); + transaction.onerror = onerror; + }; + openRequest.onerror = onerror; + },absolutePath:() => { + abort('FS.absolutePath has been removed; use PATH_FS.resolve instead'); + },createFolder:() => { + abort('FS.createFolder has been removed; use FS.mkdir instead'); + },createLink:() => { + abort('FS.createLink has been removed; use FS.symlink instead'); + },joinPath:() => { + abort('FS.joinPath has been removed; use PATH.join instead'); + },mmapAlloc:() => { + abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc'); + },standardizePath:() => { + abort('FS.standardizePath has been removed; use PATH.normalize instead'); + }}; + var SYSCALLS = {DEFAULT_POLLMASK:5,calculateAt:function(dirfd, path, allowEmpty) { + if (PATH.isAbs(path)) { + return path; + } + // relative path + var dir; + if (dirfd === -100) { + dir = FS.cwd(); + } else { + var dirstream = SYSCALLS.getStreamFromFD(dirfd); + dir = dirstream.path; + } + if (path.length == 0) { + if (!allowEmpty) { + throw new FS.ErrnoError(44);; + } + return dir; + } + return PATH.join2(dir, path); + },doStat:function(func, path, buf) { + try { + var stat = func(path); + } catch (e) { + if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) { + // an error occurred while trying to look up the path; we should just report ENOTDIR + return -54; + } + throw e; + } + HEAP32[((buf)>>2)] = stat.dev; + HEAP32[(((buf)+(8))>>2)] = stat.ino; + HEAP32[(((buf)+(12))>>2)] = stat.mode; + HEAPU32[(((buf)+(16))>>2)] = stat.nlink; + HEAP32[(((buf)+(20))>>2)] = stat.uid; + HEAP32[(((buf)+(24))>>2)] = stat.gid; + HEAP32[(((buf)+(28))>>2)] = stat.rdev; + (tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(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[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]); + HEAP32[(((buf)+(48))>>2)] = 4096; + HEAP32[(((buf)+(52))>>2)] = stat.blocks; + (tempI64 = [Math.floor(stat.atime.getTime() / 1000)>>>0,(tempDouble=Math.floor(stat.atime.getTime() / 1000),(+(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[(((buf)+(56))>>2)] = tempI64[0],HEAP32[(((buf)+(60))>>2)] = tempI64[1]); + HEAPU32[(((buf)+(64))>>2)] = 0; + (tempI64 = [Math.floor(stat.mtime.getTime() / 1000)>>>0,(tempDouble=Math.floor(stat.mtime.getTime() / 1000),(+(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[(((buf)+(72))>>2)] = tempI64[0],HEAP32[(((buf)+(76))>>2)] = tempI64[1]); + HEAPU32[(((buf)+(80))>>2)] = 0; + (tempI64 = [Math.floor(stat.ctime.getTime() / 1000)>>>0,(tempDouble=Math.floor(stat.ctime.getTime() / 1000),(+(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[(((buf)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]); + HEAPU32[(((buf)+(96))>>2)] = 0; + (tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(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[(((buf)+(104))>>2)] = tempI64[0],HEAP32[(((buf)+(108))>>2)] = tempI64[1]); + return 0; + },doMsync:function(addr, stream, len, flags, offset) { + if (!FS.isFile(stream.node.mode)) { + throw new FS.ErrnoError(43); + } + if (flags & 2) { + // MAP_PRIVATE calls need not to be synced back to underlying fs + return 0; + } + var buffer = HEAPU8.slice(addr, addr + len); + FS.msync(stream, buffer, offset, len, flags); + },varargs:undefined,get:function() { + assert(SYSCALLS.varargs != undefined); + SYSCALLS.varargs += 4; + var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)]; + return ret; + },getStr:function(ptr) { + var ret = UTF8ToString(ptr); + return ret; + },getStreamFromFD:function(fd) { + var stream = FS.getStream(fd); + if (!stream) throw new FS.ErrnoError(8); + return stream; + }}; + function ___syscall_fcntl64(fd, cmd, varargs) { + SYSCALLS.varargs = varargs; + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + switch (cmd) { + case 0: { + var arg = SYSCALLS.get(); + if (arg < 0) { + return -28; + } + var newStream; + newStream = FS.createStream(stream, arg); + return newStream.fd; + } + case 1: + case 2: + return 0; // FD_CLOEXEC makes no sense for a single process. + case 3: + return stream.flags; + case 4: { + var arg = SYSCALLS.get(); + stream.flags |= arg; + return 0; + } + case 5: + /* case 5: Currently in musl F_GETLK64 has same value as F_GETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ { + + var arg = SYSCALLS.get(); + var offset = 0; + // We're always unlocked. + HEAP16[(((arg)+(offset))>>1)] = 2; + return 0; + } + case 6: + case 7: + /* case 6: Currently in musl F_SETLK64 has same value as F_SETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ + /* case 7: Currently in musl F_SETLKW64 has same value as F_SETLKW, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ + + + return 0; // Pretend that the locking is successful. + case 16: + case 8: + return -28; // These are for sockets. We don't have them fully implemented yet. + case 9: + // musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fcntl() returns that, and we set errno ourselves. + setErrNo(28); + return -1; + default: { + return -28; + } + } + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_fstat64(fd, buf) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + return SYSCALLS.doStat(FS.stat, stream.path, buf); + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_ioctl(fd, op, varargs) { + SYSCALLS.varargs = varargs; + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + switch (op) { + case 21509: + case 21505: { + if (!stream.tty) return -59; + return 0; + } + case 21510: + case 21511: + case 21512: + case 21506: + case 21507: + case 21508: { + if (!stream.tty) return -59; + return 0; // no-op, not actually adjusting terminal settings + } + case 21519: { + if (!stream.tty) return -59; + var argp = SYSCALLS.get(); + HEAP32[((argp)>>2)] = 0; + return 0; + } + case 21520: { + if (!stream.tty) return -59; + return -28; // not supported + } + case 21531: { + var argp = SYSCALLS.get(); + return FS.ioctl(stream, op, argp); + } + case 21523: { + // TODO: in theory we should write to the winsize struct that gets + // passed in, but for now musl doesn't read anything on it + if (!stream.tty) return -59; + return 0; + } + case 21524: { + // TODO: technically, this ioctl call should change the window size. + // but, since emscripten doesn't have any concept of a terminal window + // yet, we'll just silently throw it away as we do TIOCGWINSZ + if (!stream.tty) return -59; + return 0; + } + default: return -28; // not supported + } + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_lstat64(path, buf) { + try { + + path = SYSCALLS.getStr(path); + return SYSCALLS.doStat(FS.lstat, path, buf); + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_newfstatat(dirfd, path, buf, flags) { + try { + + path = SYSCALLS.getStr(path); + var nofollow = flags & 256; + var allowEmpty = flags & 4096; + flags = flags & (~4352); + assert(!flags, flags); + path = SYSCALLS.calculateAt(dirfd, path, allowEmpty); + return SYSCALLS.doStat(nofollow ? FS.lstat : FS.stat, path, buf); + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_openat(dirfd, path, flags, varargs) { + SYSCALLS.varargs = varargs; + try { + + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + var mode = varargs ? SYSCALLS.get() : 0; + return FS.open(path, flags, mode).fd; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_stat64(path, buf) { + try { + + path = SYSCALLS.getStr(path); + return SYSCALLS.doStat(FS.stat, path, buf); + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function __embind_register_bigint(primitiveType, name, size, minRange, maxRange) {} + + function getShiftFromSize(size) { + switch (size) { + case 1: return 0; + case 2: return 1; + case 4: return 2; + case 8: return 3; + default: + throw new TypeError('Unknown type size: ' + size); + } + } + + function embind_init_charCodes() { + var codes = new Array(256); + for (var i = 0; i < 256; ++i) { + codes[i] = String.fromCharCode(i); + } + embind_charCodes = codes; + } + var embind_charCodes = undefined; + function readLatin1String(ptr) { + var ret = ""; + var c = ptr; + while (HEAPU8[c]) { + ret += embind_charCodes[HEAPU8[c++]]; + } + return ret; + } + + var awaitingDependencies = {}; + + var registeredTypes = {}; + + var typeDependencies = {}; + + var char_0 = 48; + + var char_9 = 57; + function makeLegalFunctionName(name) { + if (undefined === name) { + return '_unknown'; + } + name = name.replace(/[^a-zA-Z0-9_]/g, '$'); + var f = name.charCodeAt(0); + if (f >= char_0 && f <= char_9) { + return '_' + name; + } + return name; + } + function createNamedFunction(name, body) { + name = makeLegalFunctionName(name); + /*jshint evil:true*/ + return new Function( + "body", + "return function " + name + "() {\n" + + " \"use strict\";" + + " return body.apply(this, arguments);\n" + + "};\n" + )(body); + } + function extendError(baseErrorType, errorName) { + var errorClass = createNamedFunction(errorName, function(message) { + this.name = errorName; + this.message = message; + + var stack = (new Error(message)).stack; + if (stack !== undefined) { + this.stack = this.toString() + '\n' + + stack.replace(/^Error(:[^\n]*)?\n/, ''); + } + }); + errorClass.prototype = Object.create(baseErrorType.prototype); + errorClass.prototype.constructor = errorClass; + errorClass.prototype.toString = function() { + if (this.message === undefined) { + return this.name; + } else { + return this.name + ': ' + this.message; + } + }; + + return errorClass; + } + var BindingError = undefined; + function throwBindingError(message) { + throw new BindingError(message); + } + + var InternalError = undefined; + function throwInternalError(message) { + throw new InternalError(message); + } + function whenDependentTypesAreResolved(myTypes, dependentTypes, getTypeConverters) { + myTypes.forEach(function(type) { + typeDependencies[type] = dependentTypes; + }); + + function onComplete(typeConverters) { + var myTypeConverters = getTypeConverters(typeConverters); + if (myTypeConverters.length !== myTypes.length) { + throwInternalError('Mismatched type converter count'); + } + for (var i = 0; i < myTypes.length; ++i) { + registerType(myTypes[i], myTypeConverters[i]); + } + } + + var typeConverters = new Array(dependentTypes.length); + var unregisteredTypes = []; + var registered = 0; + dependentTypes.forEach((dt, i) => { + if (registeredTypes.hasOwnProperty(dt)) { + typeConverters[i] = registeredTypes[dt]; + } else { + unregisteredTypes.push(dt); + if (!awaitingDependencies.hasOwnProperty(dt)) { + awaitingDependencies[dt] = []; + } + awaitingDependencies[dt].push(() => { + typeConverters[i] = registeredTypes[dt]; + ++registered; + if (registered === unregisteredTypes.length) { + onComplete(typeConverters); + } + }); + } + }); + if (0 === unregisteredTypes.length) { + onComplete(typeConverters); + } + } + /** @param {Object=} options */ + function registerType(rawType, registeredInstance, options = {}) { + if (!('argPackAdvance' in registeredInstance)) { + throw new TypeError('registerType registeredInstance requires argPackAdvance'); + } + + var name = registeredInstance.name; + if (!rawType) { + throwBindingError('type "' + name + '" must have a positive integer typeid pointer'); + } + if (registeredTypes.hasOwnProperty(rawType)) { + if (options.ignoreDuplicateRegistrations) { + return; + } else { + throwBindingError("Cannot register type '" + name + "' twice"); + } + } + + registeredTypes[rawType] = registeredInstance; + delete typeDependencies[rawType]; + + if (awaitingDependencies.hasOwnProperty(rawType)) { + var callbacks = awaitingDependencies[rawType]; + delete awaitingDependencies[rawType]; + callbacks.forEach((cb) => cb()); + } + } + function __embind_register_bool(rawType, name, size, trueValue, falseValue) { + var shift = getShiftFromSize(size); + + name = readLatin1String(name); + registerType(rawType, { + name: name, + 'fromWireType': function(wt) { + // ambiguous emscripten ABI: sometimes return values are + // true or false, and sometimes integers (0 or 1) + return !!wt; + }, + 'toWireType': function(destructors, o) { + return o ? trueValue : falseValue; + }, + 'argPackAdvance': 8, + 'readValueFromPointer': function(pointer) { + // TODO: if heap is fixed (like in asm.js) this could be executed outside + var heap; + if (size === 1) { + heap = HEAP8; + } else if (size === 2) { + heap = HEAP16; + } else if (size === 4) { + heap = HEAP32; + } else { + throw new TypeError("Unknown boolean type size: " + name); + } + return this['fromWireType'](heap[pointer >> shift]); + }, + destructorFunction: null, // This type does not need a destructor + }); + } + + var emval_free_list = []; + + var emval_handle_array = [{},{value:undefined},{value:null},{value:true},{value:false}]; + function __emval_decref(handle) { + if (handle > 4 && 0 === --emval_handle_array[handle].refcount) { + emval_handle_array[handle] = undefined; + emval_free_list.push(handle); + } + } + + function count_emval_handles() { + var count = 0; + for (var i = 5; i < emval_handle_array.length; ++i) { + if (emval_handle_array[i] !== undefined) { + ++count; + } + } + return count; + } + + function get_first_emval() { + for (var i = 5; i < emval_handle_array.length; ++i) { + if (emval_handle_array[i] !== undefined) { + return emval_handle_array[i]; + } + } + return null; + } + function init_emval() { + Module['count_emval_handles'] = count_emval_handles; + Module['get_first_emval'] = get_first_emval; + } + var Emval = {toValue:(handle) => { + if (!handle) { + throwBindingError('Cannot use deleted val. handle = ' + handle); + } + return emval_handle_array[handle].value; + },toHandle:(value) => { + switch (value) { + case undefined: return 1; + case null: return 2; + case true: return 3; + case false: return 4; + default:{ + var handle = emval_free_list.length ? + emval_free_list.pop() : + emval_handle_array.length; + + emval_handle_array[handle] = {refcount: 1, value: value}; + return handle; + } + } + }}; + + function simpleReadValueFromPointer(pointer) { + return this['fromWireType'](HEAP32[((pointer)>>2)]); + } + function __embind_register_emval(rawType, name) { + name = readLatin1String(name); + registerType(rawType, { + name: name, + 'fromWireType': function(handle) { + var rv = Emval.toValue(handle); + __emval_decref(handle); + return rv; + }, + 'toWireType': function(destructors, value) { + return Emval.toHandle(value); + }, + 'argPackAdvance': 8, + 'readValueFromPointer': simpleReadValueFromPointer, + destructorFunction: null, // This type does not need a destructor + + // TODO: do we need a deleteObject here? write a test where + // emval is passed into JS via an interface + }); + } + + function embindRepr(v) { + if (v === null) { + return 'null'; + } + var t = typeof v; + if (t === 'object' || t === 'array' || t === 'function') { + return v.toString(); + } else { + return '' + v; + } + } + + function floatReadValueFromPointer(name, shift) { + switch (shift) { + case 2: return function(pointer) { + return this['fromWireType'](HEAPF32[pointer >> 2]); + }; + case 3: return function(pointer) { + return this['fromWireType'](HEAPF64[pointer >> 3]); + }; + default: + throw new TypeError("Unknown float type: " + name); + } + } + function __embind_register_float(rawType, name, size) { + var shift = getShiftFromSize(size); + name = readLatin1String(name); + registerType(rawType, { + name: name, + 'fromWireType': function(value) { + return value; + }, + 'toWireType': function(destructors, value) { + if (typeof value != "number" && typeof value != "boolean") { + throw new TypeError('Cannot convert "' + embindRepr(value) + '" to ' + this.name); + } + // The VM will perform JS to Wasm value conversion, according to the spec: + // https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue + return value; + }, + 'argPackAdvance': 8, + 'readValueFromPointer': floatReadValueFromPointer(name, shift), + destructorFunction: null, // This type does not need a destructor + }); + } + + function new_(constructor, argumentList) { + if (!(constructor instanceof Function)) { + throw new TypeError('new_ called with constructor type ' + typeof(constructor) + " which is not a function"); + } + /* + * Previously, the following line was just: + * function dummy() {}; + * Unfortunately, Chrome was preserving 'dummy' as the object's name, even + * though at creation, the 'dummy' has the correct constructor name. Thus, + * objects created with IMVU.new would show up in the debugger as 'dummy', + * which isn't very helpful. Using IMVU.createNamedFunction addresses the + * issue. Doublely-unfortunately, there's no way to write a test for this + * behavior. -NRD 2013.02.22 + */ + var dummy = createNamedFunction(constructor.name || 'unknownFunctionName', function(){}); + dummy.prototype = constructor.prototype; + var obj = new dummy; + + var r = constructor.apply(obj, argumentList); + return (r instanceof Object) ? r : obj; + } + + function runDestructors(destructors) { + while (destructors.length) { + var ptr = destructors.pop(); + var del = destructors.pop(); + del(ptr); + } + } + function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc) { + // humanName: a human-readable string name for the function to be generated. + // argTypes: An array that contains the embind type objects for all types in the function signature. + // argTypes[0] is the type object for the function return value. + // argTypes[1] is the type object for function this object/class type, or null if not crafting an invoker for a class method. + // argTypes[2...] are the actual function parameters. + // classType: The embind type object for the class to be bound, or null if this is not a method of a class. + // cppInvokerFunc: JS Function object to the C++-side function that interops into C++ code. + // cppTargetFunc: Function pointer (an integer to FUNCTION_TABLE) to the target C++ function the cppInvokerFunc will end up calling. + var argCount = argTypes.length; + + if (argCount < 2) { + throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!"); + } + + var isClassMethodFunc = (argTypes[1] !== null && classType !== null); + + // Free functions with signature "void function()" do not need an invoker that marshalls between wire types. + // TODO: This omits argument count check - enable only at -O3 or similar. + // if (ENABLE_UNSAFE_OPTS && argCount == 2 && argTypes[0].name == "void" && !isClassMethodFunc) { + // return FUNCTION_TABLE[fn]; + // } + + // Determine if we need to use a dynamic stack to store the destructors for the function parameters. + // TODO: Remove this completely once all function invokers are being dynamically generated. + var needsDestructorStack = false; + + for (var i = 1; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here. + if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) { // The type does not define a destructor function - must use dynamic stack + needsDestructorStack = true; + break; + } + } + + var returns = (argTypes[0].name !== "void"); + + var argsList = ""; + var argsListWired = ""; + for (var i = 0; i < argCount - 2; ++i) { + argsList += (i!==0?", ":"")+"arg"+i; + argsListWired += (i!==0?", ":"")+"arg"+i+"Wired"; + } + + var invokerFnBody = + "return function "+makeLegalFunctionName(humanName)+"("+argsList+") {\n" + + "if (arguments.length !== "+(argCount - 2)+") {\n" + + "throwBindingError('function "+humanName+" called with ' + arguments.length + ' arguments, expected "+(argCount - 2)+" args!');\n" + + "}\n"; + + if (needsDestructorStack) { + invokerFnBody += "var destructors = [];\n"; + } + + var dtorStack = needsDestructorStack ? "destructors" : "null"; + var args1 = ["throwBindingError", "invoker", "fn", "runDestructors", "retType", "classParam"]; + var args2 = [throwBindingError, cppInvokerFunc, cppTargetFunc, runDestructors, argTypes[0], argTypes[1]]; + + if (isClassMethodFunc) { + invokerFnBody += "var thisWired = classParam.toWireType("+dtorStack+", this);\n"; + } + + for (var i = 0; i < argCount - 2; ++i) { + invokerFnBody += "var arg"+i+"Wired = argType"+i+".toWireType("+dtorStack+", arg"+i+"); // "+argTypes[i+2].name+"\n"; + args1.push("argType"+i); + args2.push(argTypes[i+2]); + } + + if (isClassMethodFunc) { + argsListWired = "thisWired" + (argsListWired.length > 0 ? ", " : "") + argsListWired; + } + + invokerFnBody += + (returns?"var rv = ":"") + "invoker(fn"+(argsListWired.length>0?", ":"")+argsListWired+");\n"; + + if (needsDestructorStack) { + invokerFnBody += "runDestructors(destructors);\n"; + } else { + for (var i = isClassMethodFunc?1:2; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here. Also skip class type if not a method. + var paramName = (i === 1 ? "thisWired" : ("arg"+(i - 2)+"Wired")); + if (argTypes[i].destructorFunction !== null) { + invokerFnBody += paramName+"_dtor("+paramName+"); // "+argTypes[i].name+"\n"; + args1.push(paramName+"_dtor"); + args2.push(argTypes[i].destructorFunction); + } + } + } + + if (returns) { + invokerFnBody += "var ret = retType.fromWireType(rv);\n" + + "return ret;\n"; + } else { + } + + invokerFnBody += "}\n"; + + args1.push(invokerFnBody); + + var invokerFunction = new_(Function, args1).apply(null, args2); + return invokerFunction; + } + + function ensureOverloadTable(proto, methodName, humanName) { + if (undefined === proto[methodName].overloadTable) { + var prevFunc = proto[methodName]; + // Inject an overload resolver function that routes to the appropriate overload based on the number of arguments. + proto[methodName] = function() { + // TODO This check can be removed in -O3 level "unsafe" optimizations. + if (!proto[methodName].overloadTable.hasOwnProperty(arguments.length)) { + throwBindingError("Function '" + humanName + "' called with an invalid number of arguments (" + arguments.length + ") - expects one of (" + proto[methodName].overloadTable + ")!"); + } + return proto[methodName].overloadTable[arguments.length].apply(this, arguments); + }; + // Move the previous function into the overload table. + proto[methodName].overloadTable = []; + proto[methodName].overloadTable[prevFunc.argCount] = prevFunc; + } + } + /** @param {number=} numArguments */ + function exposePublicSymbol(name, value, numArguments) { + if (Module.hasOwnProperty(name)) { + if (undefined === numArguments || (undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments])) { + throwBindingError("Cannot register public name '" + name + "' twice"); + } + + // We are exposing a function with the same name as an existing function. Create an overload table and a function selector + // that routes between the two. + ensureOverloadTable(Module, name, name); + if (Module.hasOwnProperty(numArguments)) { + throwBindingError("Cannot register multiple overloads of a function with the same number of arguments (" + numArguments + ")!"); + } + // Add the new function into the overload table. + Module[name].overloadTable[numArguments] = value; + } + else { + Module[name] = value; + if (undefined !== numArguments) { + Module[name].numArguments = numArguments; + } + } + } + + function heap32VectorToArray(count, firstElement) { + var array = []; + for (var i = 0; i < count; i++) { + // TODO(https://github.com/emscripten-core/emscripten/issues/17310): + // Find a way to hoist the `>> 2` or `>> 3` out of this loop. + array.push(HEAPU32[(((firstElement)+(i * 4))>>2)]); + } + return array; + } + + /** @param {number=} numArguments */ + function replacePublicSymbol(name, value, numArguments) { + if (!Module.hasOwnProperty(name)) { + throwInternalError('Replacing nonexistant public symbol'); + } + // If there's an overload table for this symbol, replace the symbol in the overload table instead. + if (undefined !== Module[name].overloadTable && undefined !== numArguments) { + Module[name].overloadTable[numArguments] = value; + } + else { + Module[name] = value; + Module[name].argCount = numArguments; + } + } + + function dynCallLegacy(sig, ptr, args) { + assert(('dynCall_' + sig) in Module, 'bad function pointer type - dynCall function not found for sig \'' + sig + '\''); + if (args && args.length) { + // j (64-bit integer) must be passed in as two numbers [low 32, high 32]. + assert(args.length === sig.substring(1).replace(/j/g, '--').length); + } else { + assert(sig.length == 1); + } + var f = Module['dynCall_' + sig]; + return args && args.length ? f.apply(null, [ptr].concat(args)) : f.call(null, ptr); + } + /** @param {Object=} args */ + function dynCall(sig, ptr, args) { + // Without WASM_BIGINT support we cannot directly call function with i64 as + // part of thier signature, so we rely the dynCall functions generated by + // wasm-emscripten-finalize + if (sig.includes('j')) { + return dynCallLegacy(sig, ptr, args); + } + assert(getWasmTableEntry(ptr), 'missing table entry in dynCall: ' + ptr); + var rtn = getWasmTableEntry(ptr).apply(null, args); + return rtn; + } + function getDynCaller(sig, ptr) { + assert(sig.includes('j') || sig.includes('p'), 'getDynCaller should only be called with i64 sigs') + var argCache = []; + return function() { + argCache.length = 0; + Object.assign(argCache, arguments); + return dynCall(sig, ptr, argCache); + }; + } + function embind__requireFunction(signature, rawFunction) { + signature = readLatin1String(signature); + + function makeDynCaller() { + if (signature.includes('j')) { + return getDynCaller(signature, rawFunction); + } + return getWasmTableEntry(rawFunction); + } + + var fp = makeDynCaller(); + if (typeof fp != "function") { + throwBindingError("unknown function pointer with signature " + signature + ": " + rawFunction); + } + return fp; + } + + var UnboundTypeError = undefined; + + function getTypeName(type) { + var ptr = ___getTypeName(type); + var rv = readLatin1String(ptr); + _free(ptr); + return rv; + } + function throwUnboundTypeError(message, types) { + var unboundTypes = []; + var seen = {}; + function visit(type) { + if (seen[type]) { + return; + } + if (registeredTypes[type]) { + return; + } + if (typeDependencies[type]) { + typeDependencies[type].forEach(visit); + return; + } + unboundTypes.push(type); + seen[type] = true; + } + types.forEach(visit); + + throw new UnboundTypeError(message + ': ' + unboundTypes.map(getTypeName).join([', '])); + } + function __embind_register_function(name, argCount, rawArgTypesAddr, signature, rawInvoker, fn) { + var argTypes = heap32VectorToArray(argCount, rawArgTypesAddr); + name = readLatin1String(name); + + rawInvoker = embind__requireFunction(signature, rawInvoker); + + exposePublicSymbol(name, function() { + throwUnboundTypeError('Cannot call ' + name + ' due to unbound types', argTypes); + }, argCount - 1); + + whenDependentTypesAreResolved([], argTypes, function(argTypes) { + var invokerArgsArray = [argTypes[0] /* return value */, null /* no class 'this'*/].concat(argTypes.slice(1) /* actual params */); + replacePublicSymbol(name, craftInvokerFunction(name, invokerArgsArray, null /* no class 'this'*/, rawInvoker, fn), argCount - 1); + return []; + }); + } + + function integerReadValueFromPointer(name, shift, signed) { + // integers are quite common, so generate very specialized functions + switch (shift) { + case 0: return signed ? + function readS8FromPointer(pointer) { return HEAP8[pointer]; } : + function readU8FromPointer(pointer) { return HEAPU8[pointer]; }; + case 1: return signed ? + function readS16FromPointer(pointer) { return HEAP16[pointer >> 1]; } : + function readU16FromPointer(pointer) { return HEAPU16[pointer >> 1]; }; + case 2: return signed ? + function readS32FromPointer(pointer) { return HEAP32[pointer >> 2]; } : + function readU32FromPointer(pointer) { return HEAPU32[pointer >> 2]; }; + default: + throw new TypeError("Unknown integer type: " + name); + } + } + function __embind_register_integer(primitiveType, name, size, minRange, maxRange) { + name = readLatin1String(name); + // LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come + // out as 'i32 -1'. Always treat those as max u32. + if (maxRange === -1) { + maxRange = 4294967295; + } + + var shift = getShiftFromSize(size); + + var fromWireType = (value) => value; + + if (minRange === 0) { + var bitshift = 32 - 8*size; + fromWireType = (value) => (value << bitshift) >>> bitshift; + } + + var isUnsignedType = (name.includes('unsigned')); + var checkAssertions = (value, toTypeName) => { + if (typeof value != "number" && typeof value != "boolean") { + throw new TypeError('Cannot convert "' + embindRepr(value) + '" to ' + toTypeName); + } + if (value < minRange || value > maxRange) { + throw new TypeError('Passing a number "' + embindRepr(value) + '" from JS side to C/C++ side to an argument of type "' + name + '", which is outside the valid range [' + minRange + ', ' + maxRange + ']!'); + } + } + var toWireType; + if (isUnsignedType) { + toWireType = function(destructors, value) { + checkAssertions(value, this.name); + return value >>> 0; + } + } else { + toWireType = function(destructors, value) { + checkAssertions(value, this.name); + // The VM will perform JS to Wasm value conversion, according to the spec: + // https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue + return value; + } + } + registerType(primitiveType, { + name: name, + 'fromWireType': fromWireType, + 'toWireType': toWireType, + 'argPackAdvance': 8, + 'readValueFromPointer': integerReadValueFromPointer(name, shift, minRange !== 0), + destructorFunction: null, // This type does not need a destructor + }); + } + + function __embind_register_memory_view(rawType, dataTypeIndex, name) { + var typeMapping = [ + Int8Array, + Uint8Array, + Int16Array, + Uint16Array, + Int32Array, + Uint32Array, + Float32Array, + Float64Array, + ]; + + var TA = typeMapping[dataTypeIndex]; + + function decodeMemoryView(handle) { + handle = handle >> 2; + var heap = HEAPU32; + var size = heap[handle]; // in elements + var data = heap[handle + 1]; // byte offset into emscripten heap + return new TA(buffer, data, size); + } + + name = readLatin1String(name); + registerType(rawType, { + name: name, + 'fromWireType': decodeMemoryView, + 'argPackAdvance': 8, + 'readValueFromPointer': decodeMemoryView, + }, { + ignoreDuplicateRegistrations: true, + }); + } + + function __embind_register_std_string(rawType, name) { + name = readLatin1String(name); + var stdStringIsUTF8 + //process only std::string bindings with UTF8 support, in contrast to e.g. std::basic_string + = (name === "std::string"); + + registerType(rawType, { + name: name, + 'fromWireType': function(value) { + var length = HEAPU32[((value)>>2)]; + var payload = value + 4; + + var str; + if (stdStringIsUTF8) { + var decodeStartPtr = payload; + // Looping here to support possible embedded '0' bytes + for (var i = 0; i <= length; ++i) { + var currentBytePtr = payload + i; + if (i == length || HEAPU8[currentBytePtr] == 0) { + var maxRead = currentBytePtr - decodeStartPtr; + var stringSegment = UTF8ToString(decodeStartPtr, maxRead); + if (str === undefined) { + str = stringSegment; + } else { + str += String.fromCharCode(0); + str += stringSegment; + } + decodeStartPtr = currentBytePtr + 1; + } + } + } else { + var a = new Array(length); + for (var i = 0; i < length; ++i) { + a[i] = String.fromCharCode(HEAPU8[payload + i]); + } + str = a.join(''); + } + + _free(value); + + return str; + }, + 'toWireType': function(destructors, value) { + if (value instanceof ArrayBuffer) { + value = new Uint8Array(value); + } + + var length; + var valueIsOfTypeString = (typeof value == 'string'); + + if (!(valueIsOfTypeString || value instanceof Uint8Array || value instanceof Uint8ClampedArray || value instanceof Int8Array)) { + throwBindingError('Cannot pass non-string to std::string'); + } + if (stdStringIsUTF8 && valueIsOfTypeString) { + length = lengthBytesUTF8(value); + } else { + length = value.length; + } + + // assumes 4-byte alignment + var base = _malloc(4 + length + 1); + var ptr = base + 4; + HEAPU32[((base)>>2)] = length; + if (stdStringIsUTF8 && valueIsOfTypeString) { + stringToUTF8(value, ptr, length + 1); + } else { + if (valueIsOfTypeString) { + for (var i = 0; i < length; ++i) { + var charCode = value.charCodeAt(i); + if (charCode > 255) { + _free(ptr); + throwBindingError('String has UTF-16 code units that do not fit in 8 bits'); + } + HEAPU8[ptr + i] = charCode; + } + } else { + for (var i = 0; i < length; ++i) { + HEAPU8[ptr + i] = value[i]; + } + } + } + + if (destructors !== null) { + destructors.push(_free, base); + } + return base; + }, + 'argPackAdvance': 8, + 'readValueFromPointer': simpleReadValueFromPointer, + destructorFunction: function(ptr) { _free(ptr); }, + }); + } + + var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined;; + function UTF16ToString(ptr, maxBytesToRead) { + assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!'); + 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; + var maxIdx = idx + maxBytesToRead / 2; + // If maxBytesToRead is not passed explicitly, it will be undefined, and this + // will always evaluate to true. This saves on code size. + while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx; + endPtr = idx << 1; + + if (endPtr - ptr > 32 && UTF16Decoder) + return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr)); + + // Fallback: decode without UTF16Decoder + var str = ''; + + // If maxBytesToRead is not passed explicitly, it will be undefined, and the + // for-loop's condition will always evaluate to true. The loop is then + // terminated on the first null char. + for (var i = 0; !(i >= maxBytesToRead / 2); ++i) { + var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; + if (codeUnit == 0) break; + // fromCharCode constructs a character from a UTF-16 code unit, so we can + // pass the UTF16 string right through. + str += String.fromCharCode(codeUnit); + } + + return str; + } + + function stringToUTF16(str, outPtr, maxBytesToWrite) { + assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!'); + assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); + // 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; + } + + function lengthBytesUTF16(str) { + return str.length*2; + } + + function UTF32ToString(ptr, maxBytesToRead) { + assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!'); + var i = 0; + + var str = ''; + // If maxBytesToRead is not passed explicitly, it will be undefined, and this + // will always evaluate to true. This saves on code size. + while (!(i >= maxBytesToRead / 4)) { + var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; + if (utf32 == 0) break; + ++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); + } + } + return str; + } + + function stringToUTF32(str, outPtr, maxBytesToWrite) { + assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!'); + assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); + // 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; + } + + 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; + } + function __embind_register_std_wstring(rawType, charSize, name) { + name = readLatin1String(name); + var decodeString, encodeString, getHeap, lengthBytesUTF, shift; + if (charSize === 2) { + decodeString = UTF16ToString; + encodeString = stringToUTF16; + lengthBytesUTF = lengthBytesUTF16; + getHeap = () => HEAPU16; + shift = 1; + } else if (charSize === 4) { + decodeString = UTF32ToString; + encodeString = stringToUTF32; + lengthBytesUTF = lengthBytesUTF32; + getHeap = () => HEAPU32; + shift = 2; + } + registerType(rawType, { + name: name, + 'fromWireType': function(value) { + // Code mostly taken from _embind_register_std_string fromWireType + var length = HEAPU32[value >> 2]; + var HEAP = getHeap(); + var str; + + var decodeStartPtr = value + 4; + // Looping here to support possible embedded '0' bytes + for (var i = 0; i <= length; ++i) { + var currentBytePtr = value + 4 + i * charSize; + if (i == length || HEAP[currentBytePtr >> shift] == 0) { + var maxReadBytes = currentBytePtr - decodeStartPtr; + var stringSegment = decodeString(decodeStartPtr, maxReadBytes); + if (str === undefined) { + str = stringSegment; + } else { + str += String.fromCharCode(0); + str += stringSegment; + } + decodeStartPtr = currentBytePtr + charSize; + } + } + + _free(value); + + return str; + }, + 'toWireType': function(destructors, value) { + if (!(typeof value == 'string')) { + throwBindingError('Cannot pass non-string to C++ string type ' + name); + } + + // assumes 4-byte alignment + var length = lengthBytesUTF(value); + var ptr = _malloc(4 + length + charSize); + HEAPU32[ptr >> 2] = length >> shift; + + encodeString(value, ptr + 4, length + charSize); + + if (destructors !== null) { + destructors.push(_free, ptr); + } + return ptr; + }, + 'argPackAdvance': 8, + 'readValueFromPointer': simpleReadValueFromPointer, + destructorFunction: function(ptr) { _free(ptr); }, + }); + } + + function __embind_register_void(rawType, name) { + name = readLatin1String(name); + registerType(rawType, { + isVoid: true, // void return values can be optimized out sometimes + name: name, + 'argPackAdvance': 0, + 'fromWireType': function() { + return undefined; + }, + 'toWireType': function(destructors, o) { + // TODO: assert if anything else is given? + return undefined; + }, + }); + } + + var nowIsMonotonic = true;; + function __emscripten_get_now_is_monotonic() { + return nowIsMonotonic; + } + + function _abort() { + abort('native code called abort()'); + } + + function _emscripten_date_now() { + return Date.now(); + } + + var _emscripten_get_now;if (ENVIRONMENT_IS_NODE) { + _emscripten_get_now = () => { + var t = process['hrtime'](); + return t[0] * 1e3 + t[1] / 1e6; + }; + } else _emscripten_get_now = () => performance.now(); + ; + + function _emscripten_memcpy_big(dest, src, num) { + HEAPU8.copyWithin(dest, src, src + num); + } + + function getHeapMax() { + return HEAPU8.length; + } + + function abortOnCannotGrowMemory(requestedSize) { + abort('Cannot enlarge memory arrays to size ' + requestedSize + ' bytes (OOM). Either (1) compile with -sINITIAL_MEMORY=X with X higher than the current value ' + HEAP8.length + ', (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0'); + } + function _emscripten_resize_heap(requestedSize) { + var oldSize = HEAPU8.length; + requestedSize = requestedSize >>> 0; + abortOnCannotGrowMemory(requestedSize); + } + + var ENV = {}; + + function getExecutableName() { + return thisProgram || './this.program'; + } + function getEnvStrings() { + if (!getEnvStrings.strings) { + // Default values. + // Browser language detection #8751 + var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8'; + var env = { + 'USER': 'web_user', + 'LOGNAME': 'web_user', + 'PATH': '/', + 'PWD': '/', + 'HOME': '/home/web_user', + 'LANG': lang, + '_': getExecutableName() + }; + // Apply the user-provided values, if any. + for (var x in ENV) { + // x is a key in ENV; if ENV[x] is undefined, that means it was + // explicitly set to be so. We allow user code to do that to + // force variables with default values to remain unset. + if (ENV[x] === undefined) delete env[x]; + else env[x] = ENV[x]; + } + var strings = []; + for (var x in env) { + strings.push(x + '=' + env[x]); + } + getEnvStrings.strings = strings; + } + return getEnvStrings.strings; + } + + /** @param {boolean=} dontAddNull */ + function writeAsciiToMemory(str, buffer, dontAddNull) { + for (var i = 0; i < str.length; ++i) { + assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff)); + HEAP8[((buffer++)>>0)] = str.charCodeAt(i); + } + // Null-terminate the pointer to the HEAP. + if (!dontAddNull) HEAP8[((buffer)>>0)] = 0; + } + function _environ_get(__environ, environ_buf) { + var bufSize = 0; + getEnvStrings().forEach(function(string, i) { + var ptr = environ_buf + bufSize; + HEAPU32[(((__environ)+(i*4))>>2)] = ptr; + writeAsciiToMemory(string, ptr); + bufSize += string.length + 1; + }); + return 0; + } + + function _environ_sizes_get(penviron_count, penviron_buf_size) { + var strings = getEnvStrings(); + HEAPU32[((penviron_count)>>2)] = strings.length; + var bufSize = 0; + strings.forEach(function(string) { + bufSize += string.length + 1; + }); + HEAPU32[((penviron_buf_size)>>2)] = bufSize; + return 0; + } + + function _fd_close(fd) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + FS.close(stream); + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + /** @param {number=} offset */ + function doReadv(stream, iov, iovcnt, offset) { + var ret = 0; + for (var i = 0; i < iovcnt; i++) { + var ptr = HEAPU32[((iov)>>2)]; + var len = HEAPU32[(((iov)+(4))>>2)]; + iov += 8; + var curr = FS.read(stream, HEAP8,ptr, len, offset); + if (curr < 0) return -1; + ret += curr; + if (curr < len) break; // nothing more to read + } + return ret; + } + function _fd_read(fd, iov, iovcnt, pnum) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + var num = doReadv(stream, iov, iovcnt); + HEAPU32[((pnum)>>2)] = num; + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + function convertI32PairToI53Checked(lo, hi) { + assert(lo == (lo >>> 0) || lo == (lo|0)); // lo should either be a i32 or a u32 + assert(hi === (hi|0)); // hi should be a i32 + return ((hi + 0x200000) >>> 0 < 0x400001 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN; + } + function _fd_seek(fd, offset_low, offset_high, whence, newOffset) { + try { + + var offset = convertI32PairToI53Checked(offset_low, offset_high); if (isNaN(offset)) return 61; + var stream = SYSCALLS.getStreamFromFD(fd); + FS.llseek(stream, offset, whence); + (tempI64 = [stream.position>>>0,(tempDouble=stream.position,(+(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[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]); + if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + /** @param {number=} offset */ + function doWritev(stream, iov, iovcnt, offset) { + var ret = 0; + for (var i = 0; i < iovcnt; i++) { + var ptr = HEAPU32[((iov)>>2)]; + var len = HEAPU32[(((iov)+(4))>>2)]; + iov += 8; + var curr = FS.write(stream, HEAP8,ptr, len, offset); + if (curr < 0) return -1; + ret += curr; + } + return ret; + } + function _fd_write(fd, iov, iovcnt, pnum) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + var num = doWritev(stream, iov, iovcnt); + HEAPU32[((pnum)>>2)] = num; + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + function _llvm_eh_typeid_for(type) { + return type; + } + + function __isLeapYear(year) { + return year%4 === 0 && (year%100 !== 0 || year%400 === 0); + } + + function __arraySum(array, index) { + var sum = 0; + for (var i = 0; i <= index; sum += array[i++]) { + // no-op + } + return sum; + } + + var __MONTH_DAYS_LEAP = [31,29,31,30,31,30,31,31,30,31,30,31]; + + var __MONTH_DAYS_REGULAR = [31,28,31,30,31,30,31,31,30,31,30,31]; + function __addDays(date, days) { + var newDate = new Date(date.getTime()); + while (days > 0) { + var leap = __isLeapYear(newDate.getFullYear()); + var currentMonth = newDate.getMonth(); + var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth]; + + if (days > daysInCurrentMonth-newDate.getDate()) { + // we spill over to next month + days -= (daysInCurrentMonth-newDate.getDate()+1); + newDate.setDate(1); + if (currentMonth < 11) { + newDate.setMonth(currentMonth+1) + } else { + newDate.setMonth(0); + newDate.setFullYear(newDate.getFullYear()+1); + } + } else { + // we stay in current month + newDate.setDate(newDate.getDate()+days); + return newDate; + } + } + + return newDate; + } + + function writeArrayToMemory(array, buffer) { + assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)') + HEAP8.set(array, buffer); + } + function _strftime(s, maxsize, format, tm) { + // size_t strftime(char *restrict s, size_t maxsize, const char *restrict format, const struct tm *restrict timeptr); + // http://pubs.opengroup.org/onlinepubs/009695399/functions/strftime.html + + var tm_zone = HEAP32[(((tm)+(40))>>2)]; + + var date = { + tm_sec: HEAP32[((tm)>>2)], + tm_min: HEAP32[(((tm)+(4))>>2)], + tm_hour: HEAP32[(((tm)+(8))>>2)], + tm_mday: HEAP32[(((tm)+(12))>>2)], + tm_mon: HEAP32[(((tm)+(16))>>2)], + tm_year: HEAP32[(((tm)+(20))>>2)], + tm_wday: HEAP32[(((tm)+(24))>>2)], + tm_yday: HEAP32[(((tm)+(28))>>2)], + tm_isdst: HEAP32[(((tm)+(32))>>2)], + tm_gmtoff: HEAP32[(((tm)+(36))>>2)], + tm_zone: tm_zone ? UTF8ToString(tm_zone) : '' + }; + + var pattern = UTF8ToString(format); + + // expand format + var EXPANSION_RULES_1 = { + '%c': '%a %b %d %H:%M:%S %Y', // Replaced by the locale's appropriate date and time representation - e.g., Mon Aug 3 14:02:01 2013 + '%D': '%m/%d/%y', // Equivalent to %m / %d / %y + '%F': '%Y-%m-%d', // Equivalent to %Y - %m - %d + '%h': '%b', // Equivalent to %b + '%r': '%I:%M:%S %p', // Replaced by the time in a.m. and p.m. notation + '%R': '%H:%M', // Replaced by the time in 24-hour notation + '%T': '%H:%M:%S', // Replaced by the time + '%x': '%m/%d/%y', // Replaced by the locale's appropriate date representation + '%X': '%H:%M:%S', // Replaced by the locale's appropriate time representation + // Modified Conversion Specifiers + '%Ec': '%c', // Replaced by the locale's alternative appropriate date and time representation. + '%EC': '%C', // Replaced by the name of the base year (period) in the locale's alternative representation. + '%Ex': '%m/%d/%y', // Replaced by the locale's alternative date representation. + '%EX': '%H:%M:%S', // Replaced by the locale's alternative time representation. + '%Ey': '%y', // Replaced by the offset from %EC (year only) in the locale's alternative representation. + '%EY': '%Y', // Replaced by the full alternative year representation. + '%Od': '%d', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading zeros if there is any alternative symbol for zero; otherwise, with leading characters. + '%Oe': '%e', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading characters. + '%OH': '%H', // Replaced by the hour (24-hour clock) using the locale's alternative numeric symbols. + '%OI': '%I', // Replaced by the hour (12-hour clock) using the locale's alternative numeric symbols. + '%Om': '%m', // Replaced by the month using the locale's alternative numeric symbols. + '%OM': '%M', // Replaced by the minutes using the locale's alternative numeric symbols. + '%OS': '%S', // Replaced by the seconds using the locale's alternative numeric symbols. + '%Ou': '%u', // Replaced by the weekday as a number in the locale's alternative representation (Monday=1). + '%OU': '%U', // Replaced by the week number of the year (Sunday as the first day of the week, rules corresponding to %U ) using the locale's alternative numeric symbols. + '%OV': '%V', // Replaced by the week number of the year (Monday as the first day of the week, rules corresponding to %V ) using the locale's alternative numeric symbols. + '%Ow': '%w', // Replaced by the number of the weekday (Sunday=0) using the locale's alternative numeric symbols. + '%OW': '%W', // Replaced by the week number of the year (Monday as the first day of the week) using the locale's alternative numeric symbols. + '%Oy': '%y', // Replaced by the year (offset from %C ) using the locale's alternative numeric symbols. + }; + for (var rule in EXPANSION_RULES_1) { + pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_1[rule]); + } + + var WEEKDAYS = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']; + var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']; + + function leadingSomething(value, digits, character) { + var str = typeof value == 'number' ? value.toString() : (value || ''); + while (str.length < digits) { + str = character[0]+str; + } + return str; + } + + function leadingNulls(value, digits) { + return leadingSomething(value, digits, '0'); + } + + function compareByDay(date1, date2) { + function sgn(value) { + return value < 0 ? -1 : (value > 0 ? 1 : 0); + } + + var compare; + if ((compare = sgn(date1.getFullYear()-date2.getFullYear())) === 0) { + if ((compare = sgn(date1.getMonth()-date2.getMonth())) === 0) { + compare = sgn(date1.getDate()-date2.getDate()); + } + } + return compare; + } + + function getFirstWeekStartDate(janFourth) { + switch (janFourth.getDay()) { + case 0: // Sunday + return new Date(janFourth.getFullYear()-1, 11, 29); + case 1: // Monday + return janFourth; + case 2: // Tuesday + return new Date(janFourth.getFullYear(), 0, 3); + case 3: // Wednesday + return new Date(janFourth.getFullYear(), 0, 2); + case 4: // Thursday + return new Date(janFourth.getFullYear(), 0, 1); + case 5: // Friday + return new Date(janFourth.getFullYear()-1, 11, 31); + case 6: // Saturday + return new Date(janFourth.getFullYear()-1, 11, 30); + } + } + + function getWeekBasedYear(date) { + var thisDate = __addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday); + + var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4); + var janFourthNextYear = new Date(thisDate.getFullYear()+1, 0, 4); + + var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear); + var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear); + + if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) { + // this date is after the start of the first week of this year + if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) { + return thisDate.getFullYear()+1; + } + return thisDate.getFullYear(); + } + return thisDate.getFullYear()-1; + } + + var EXPANSION_RULES_2 = { + '%a': function(date) { + return WEEKDAYS[date.tm_wday].substring(0,3); + }, + '%A': function(date) { + return WEEKDAYS[date.tm_wday]; + }, + '%b': function(date) { + return MONTHS[date.tm_mon].substring(0,3); + }, + '%B': function(date) { + return MONTHS[date.tm_mon]; + }, + '%C': function(date) { + var year = date.tm_year+1900; + return leadingNulls((year/100)|0,2); + }, + '%d': function(date) { + return leadingNulls(date.tm_mday, 2); + }, + '%e': function(date) { + return leadingSomething(date.tm_mday, 2, ' '); + }, + '%g': function(date) { + // %g, %G, and %V give values according to the ISO 8601:2000 standard week-based year. + // In this system, weeks begin on a Monday and week 1 of the year is the week that includes + // January 4th, which is also the week that includes the first Thursday of the year, and + // is also the first week that contains at least four days in the year. + // If the first Monday of January is the 2nd, 3rd, or 4th, the preceding days are part of + // the last week of the preceding year; thus, for Saturday 2nd January 1999, + // %G is replaced by 1998 and %V is replaced by 53. If December 29th, 30th, + // or 31st is a Monday, it and any following days are part of week 1 of the following year. + // Thus, for Tuesday 30th December 1997, %G is replaced by 1998 and %V is replaced by 01. + + return getWeekBasedYear(date).toString().substring(2); + }, + '%G': function(date) { + return getWeekBasedYear(date); + }, + '%H': function(date) { + return leadingNulls(date.tm_hour, 2); + }, + '%I': function(date) { + var twelveHour = date.tm_hour; + if (twelveHour == 0) twelveHour = 12; + else if (twelveHour > 12) twelveHour -= 12; + return leadingNulls(twelveHour, 2); + }, + '%j': function(date) { + // Day of the year (001-366) + return leadingNulls(date.tm_mday+__arraySum(__isLeapYear(date.tm_year+1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon-1), 3); + }, + '%m': function(date) { + return leadingNulls(date.tm_mon+1, 2); + }, + '%M': function(date) { + return leadingNulls(date.tm_min, 2); + }, + '%n': function() { + return '\n'; + }, + '%p': function(date) { + if (date.tm_hour >= 0 && date.tm_hour < 12) { + return 'AM'; + } + return 'PM'; + }, + '%S': function(date) { + return leadingNulls(date.tm_sec, 2); + }, + '%t': function() { + return '\t'; + }, + '%u': function(date) { + return date.tm_wday || 7; + }, + '%U': function(date) { + var days = date.tm_yday + 7 - date.tm_wday; + return leadingNulls(Math.floor(days / 7), 2); + }, + '%V': function(date) { + // Replaced by the week number of the year (Monday as the first day of the week) + // as a decimal number [01,53]. If the week containing 1 January has four + // or more days in the new year, then it is considered week 1. + // Otherwise, it is the last week of the previous year, and the next week is week 1. + // Both January 4th and the first Thursday of January are always in week 1. [ tm_year, tm_wday, tm_yday] + var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7 ) / 7); + // If 1 Jan is just 1-3 days past Monday, the previous week + // is also in this year. + if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) { + val++; + } + if (!val) { + val = 52; + // If 31 December of prev year a Thursday, or Friday of a + // leap year, then the prev year has 53 weeks. + var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7; + if (dec31 == 4 || (dec31 == 5 && __isLeapYear(date.tm_year%400-1))) { + val++; + } + } else if (val == 53) { + // If 1 January is not a Thursday, and not a Wednesday of a + // leap year, then this year has only 52 weeks. + var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7; + if (jan1 != 4 && (jan1 != 3 || !__isLeapYear(date.tm_year))) + val = 1; + } + return leadingNulls(val, 2); + }, + '%w': function(date) { + return date.tm_wday; + }, + '%W': function(date) { + var days = date.tm_yday + 7 - ((date.tm_wday + 6) % 7); + return leadingNulls(Math.floor(days / 7), 2); + }, + '%y': function(date) { + // Replaced by the last two digits of the year as a decimal number [00,99]. [ tm_year] + return (date.tm_year+1900).toString().substring(2); + }, + '%Y': function(date) { + // Replaced by the year as a decimal number (for example, 1997). [ tm_year] + return date.tm_year+1900; + }, + '%z': function(date) { + // Replaced by the offset from UTC in the ISO 8601:2000 standard format ( +hhmm or -hhmm ). + // For example, "-0430" means 4 hours 30 minutes behind UTC (west of Greenwich). + var off = date.tm_gmtoff; + var ahead = off >= 0; + off = Math.abs(off) / 60; + // convert from minutes into hhmm format (which means 60 minutes = 100 units) + off = (off / 60)*100 + (off % 60); + return (ahead ? '+' : '-') + String("0000" + off).slice(-4); + }, + '%Z': function(date) { + return date.tm_zone; + }, + '%%': function() { + return '%'; + } + }; + + // Replace %% with a pair of NULLs (which cannot occur in a C string), then + // re-inject them after processing. + pattern = pattern.replace(/%%/g, '\0\0') + for (var rule in EXPANSION_RULES_2) { + if (pattern.includes(rule)) { + pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_2[rule](date)); + } + } + pattern = pattern.replace(/\0\0/g, '%') + + var bytes = intArrayFromString(pattern, false); + if (bytes.length > maxsize) { + return 0; + } + + writeArrayToMemory(bytes, s); + return bytes.length-1; + } + function _strftime_l(s, maxsize, format, tm, loc) { + return _strftime(s, maxsize, format, tm); // no locale support yet + } + + + var FSNode = /** @constructor */ 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; + }; + var readMode = 292/*292*/ | 73/*73*/; + var writeMode = 146/*146*/; + Object.defineProperties(FSNode.prototype, { + read: { + get: /** @this{FSNode} */function() { + return (this.mode & readMode) === readMode; + }, + set: /** @this{FSNode} */function(val) { + val ? this.mode |= readMode : this.mode &= ~readMode; + } + }, + write: { + get: /** @this{FSNode} */function() { + return (this.mode & writeMode) === writeMode; + }, + set: /** @this{FSNode} */function(val) { + val ? this.mode |= writeMode : this.mode &= ~writeMode; + } + }, + isFolder: { + get: /** @this{FSNode} */function() { + return FS.isDir(this.mode); + } + }, + isDevice: { + get: /** @this{FSNode} */function() { + return FS.isChrdev(this.mode); + } + } + }); + FS.FSNode = FSNode; + FS.staticInit();; +ERRNO_CODES = { + 'EPERM': 63, + 'ENOENT': 44, + 'ESRCH': 71, + 'EINTR': 27, + 'EIO': 29, + 'ENXIO': 60, + 'E2BIG': 1, + 'ENOEXEC': 45, + 'EBADF': 8, + 'ECHILD': 12, + 'EAGAIN': 6, + 'EWOULDBLOCK': 6, + 'ENOMEM': 48, + 'EACCES': 2, + 'EFAULT': 21, + 'ENOTBLK': 105, + 'EBUSY': 10, + 'EEXIST': 20, + 'EXDEV': 75, + 'ENODEV': 43, + 'ENOTDIR': 54, + 'EISDIR': 31, + 'EINVAL': 28, + 'ENFILE': 41, + 'EMFILE': 33, + 'ENOTTY': 59, + 'ETXTBSY': 74, + 'EFBIG': 22, + 'ENOSPC': 51, + 'ESPIPE': 70, + 'EROFS': 69, + 'EMLINK': 34, + 'EPIPE': 64, + 'EDOM': 18, + 'ERANGE': 68, + 'ENOMSG': 49, + 'EIDRM': 24, + 'ECHRNG': 106, + 'EL2NSYNC': 156, + 'EL3HLT': 107, + 'EL3RST': 108, + 'ELNRNG': 109, + 'EUNATCH': 110, + 'ENOCSI': 111, + 'EL2HLT': 112, + 'EDEADLK': 16, + 'ENOLCK': 46, + 'EBADE': 113, + 'EBADR': 114, + 'EXFULL': 115, + 'ENOANO': 104, + 'EBADRQC': 103, + 'EBADSLT': 102, + 'EDEADLOCK': 16, + 'EBFONT': 101, + 'ENOSTR': 100, + 'ENODATA': 116, + 'ETIME': 117, + 'ENOSR': 118, + 'ENONET': 119, + 'ENOPKG': 120, + 'EREMOTE': 121, + 'ENOLINK': 47, + 'EADV': 122, + 'ESRMNT': 123, + 'ECOMM': 124, + 'EPROTO': 65, + 'EMULTIHOP': 36, + 'EDOTDOT': 125, + 'EBADMSG': 9, + 'ENOTUNIQ': 126, + 'EBADFD': 127, + 'EREMCHG': 128, + 'ELIBACC': 129, + 'ELIBBAD': 130, + 'ELIBSCN': 131, + 'ELIBMAX': 132, + 'ELIBEXEC': 133, + 'ENOSYS': 52, + 'ENOTEMPTY': 55, + 'ENAMETOOLONG': 37, + 'ELOOP': 32, + 'EOPNOTSUPP': 138, + 'EPFNOSUPPORT': 139, + 'ECONNRESET': 15, + 'ENOBUFS': 42, + 'EAFNOSUPPORT': 5, + 'EPROTOTYPE': 67, + 'ENOTSOCK': 57, + 'ENOPROTOOPT': 50, + 'ESHUTDOWN': 140, + 'ECONNREFUSED': 14, + 'EADDRINUSE': 3, + 'ECONNABORTED': 13, + 'ENETUNREACH': 40, + 'ENETDOWN': 38, + 'ETIMEDOUT': 73, + 'EHOSTDOWN': 142, + 'EHOSTUNREACH': 23, + 'EINPROGRESS': 26, + 'EALREADY': 7, + 'EDESTADDRREQ': 17, + 'EMSGSIZE': 35, + 'EPROTONOSUPPORT': 66, + 'ESOCKTNOSUPPORT': 137, + 'EADDRNOTAVAIL': 4, + 'ENETRESET': 39, + 'EISCONN': 30, + 'ENOTCONN': 53, + 'ETOOMANYREFS': 141, + 'EUSERS': 136, + 'EDQUOT': 19, + 'ESTALE': 72, + 'ENOTSUP': 138, + 'ENOMEDIUM': 148, + 'EILSEQ': 25, + 'EOVERFLOW': 61, + 'ECANCELED': 11, + 'ENOTRECOVERABLE': 56, + 'EOWNERDEAD': 62, + 'ESTRPIPE': 135, + };; +embind_init_charCodes(); +BindingError = Module['BindingError'] = extendError(Error, 'BindingError');; +InternalError = Module['InternalError'] = extendError(Error, 'InternalError');; +init_emval();; +UnboundTypeError = Module['UnboundTypeError'] = extendError(Error, 'UnboundTypeError');; +var ASSERTIONS = true; + +function checkIncomingModuleAPI() { + ignoredModuleProp('fetchSettings'); +} +var asmLibraryArg = { + "__assert_fail": ___assert_fail, + "__cxa_allocate_exception": ___cxa_allocate_exception, + "__cxa_begin_catch": ___cxa_begin_catch, + "__cxa_end_catch": ___cxa_end_catch, + "__cxa_find_matching_catch_2": ___cxa_find_matching_catch_2, + "__cxa_find_matching_catch_3": ___cxa_find_matching_catch_3, + "__cxa_free_exception": ___cxa_free_exception, + "__cxa_rethrow": ___cxa_rethrow, + "__cxa_throw": ___cxa_throw, + "__cxa_uncaught_exceptions": ___cxa_uncaught_exceptions, + "__resumeException": ___resumeException, + "__syscall_fcntl64": ___syscall_fcntl64, + "__syscall_fstat64": ___syscall_fstat64, + "__syscall_ioctl": ___syscall_ioctl, + "__syscall_lstat64": ___syscall_lstat64, + "__syscall_newfstatat": ___syscall_newfstatat, + "__syscall_openat": ___syscall_openat, + "__syscall_stat64": ___syscall_stat64, + "_embind_register_bigint": __embind_register_bigint, + "_embind_register_bool": __embind_register_bool, + "_embind_register_emval": __embind_register_emval, + "_embind_register_float": __embind_register_float, + "_embind_register_function": __embind_register_function, + "_embind_register_integer": __embind_register_integer, + "_embind_register_memory_view": __embind_register_memory_view, + "_embind_register_std_string": __embind_register_std_string, + "_embind_register_std_wstring": __embind_register_std_wstring, + "_embind_register_void": __embind_register_void, + "_emscripten_get_now_is_monotonic": __emscripten_get_now_is_monotonic, + "abort": _abort, + "emscripten_date_now": _emscripten_date_now, + "emscripten_get_now": _emscripten_get_now, + "emscripten_memcpy_big": _emscripten_memcpy_big, + "emscripten_resize_heap": _emscripten_resize_heap, + "environ_get": _environ_get, + "environ_sizes_get": _environ_sizes_get, + "fd_close": _fd_close, + "fd_read": _fd_read, + "fd_seek": _fd_seek, + "fd_write": _fd_write, + "invoke_di": invoke_di, + "invoke_diii": invoke_diii, + "invoke_fiii": invoke_fiii, + "invoke_i": invoke_i, + "invoke_ii": invoke_ii, + "invoke_iid": invoke_iid, + "invoke_iii": invoke_iii, + "invoke_iiii": invoke_iiii, + "invoke_iiiii": invoke_iiiii, + "invoke_iiiiid": invoke_iiiiid, + "invoke_iiiiii": invoke_iiiiii, + "invoke_iiiiiii": invoke_iiiiiii, + "invoke_iiiiiiii": invoke_iiiiiiii, + "invoke_iiiiiiiiiii": invoke_iiiiiiiiiii, + "invoke_iiiiiiiiiiii": invoke_iiiiiiiiiiii, + "invoke_iiiiiiiiiiiii": invoke_iiiiiiiiiiiii, + "invoke_j": invoke_j, + "invoke_ji": invoke_ji, + "invoke_jiiii": invoke_jiiii, + "invoke_v": invoke_v, + "invoke_vi": invoke_vi, + "invoke_vif": invoke_vif, + "invoke_vii": invoke_vii, + "invoke_viii": invoke_viii, + "invoke_viiii": invoke_viiii, + "invoke_viiiii": invoke_viiiii, + "invoke_viiiiii": invoke_viiiiii, + "invoke_viiiiiii": invoke_viiiiiii, + "invoke_viiiiiiii": invoke_viiiiiiii, + "invoke_viiiiiiiii": invoke_viiiiiiiii, + "invoke_viiiiiiiiii": invoke_viiiiiiiiii, + "invoke_viiiiiiiiiiiiiii": invoke_viiiiiiiiiiiiiii, + "invoke_vij": invoke_vij, + "llvm_eh_typeid_for": _llvm_eh_typeid_for, + "strftime_l": _strftime_l +}; +var asm = createWasm(); +/** @type {function(...*):?} */ +var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors"); + +/** @type {function(...*):?} */ +var ___cxa_demangle = Module["___cxa_demangle"] = createExportWrapper("__cxa_demangle"); + +/** @type {function(...*):?} */ +var ___cxa_can_catch = Module["___cxa_can_catch"] = createExportWrapper("__cxa_can_catch"); + +/** @type {function(...*):?} */ +var ___cxa_is_pointer_type = Module["___cxa_is_pointer_type"] = createExportWrapper("__cxa_is_pointer_type"); + +/** @type {function(...*):?} */ +var getTempRet0 = Module["getTempRet0"] = createExportWrapper("getTempRet0"); + +/** @type {function(...*):?} */ +var _malloc = Module["_malloc"] = createExportWrapper("malloc"); + +/** @type {function(...*):?} */ +var _free = Module["_free"] = createExportWrapper("free"); + +/** @type {function(...*):?} */ +var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location"); + +/** @type {function(...*):?} */ +var ___getTypeName = Module["___getTypeName"] = createExportWrapper("__getTypeName"); + +/** @type {function(...*):?} */ +var __embind_initialize_bindings = Module["__embind_initialize_bindings"] = createExportWrapper("_embind_initialize_bindings"); + +/** @type {function(...*):?} */ +var _fflush = Module["_fflush"] = createExportWrapper("fflush"); + +/** @type {function(...*):?} */ +var _setThrew = Module["_setThrew"] = createExportWrapper("setThrew"); + +/** @type {function(...*):?} */ +var setTempRet0 = Module["setTempRet0"] = createExportWrapper("setTempRet0"); + +/** @type {function(...*):?} */ +var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() { + return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() { + return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = function() { + return (_emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() { + return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var stackSave = Module["stackSave"] = createExportWrapper("stackSave"); + +/** @type {function(...*):?} */ +var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore"); + +/** @type {function(...*):?} */ +var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc"); + +/** @type {function(...*):?} */ +var dynCall_ji = Module["dynCall_ji"] = createExportWrapper("dynCall_ji"); + +/** @type {function(...*):?} */ +var dynCall_vij = Module["dynCall_vij"] = createExportWrapper("dynCall_vij"); + +/** @type {function(...*):?} */ +var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji"); + +/** @type {function(...*):?} */ +var dynCall_j = Module["dynCall_j"] = createExportWrapper("dynCall_j"); + +/** @type {function(...*):?} */ +var dynCall_viijii = Module["dynCall_viijii"] = createExportWrapper("dynCall_viijii"); + +/** @type {function(...*):?} */ +var dynCall_jiiii = Module["dynCall_jiiii"] = createExportWrapper("dynCall_jiiii"); + +/** @type {function(...*):?} */ +var dynCall_iiiiij = Module["dynCall_iiiiij"] = createExportWrapper("dynCall_iiiiij"); + +/** @type {function(...*):?} */ +var dynCall_iiiiijj = Module["dynCall_iiiiijj"] = createExportWrapper("dynCall_iiiiijj"); + +/** @type {function(...*):?} */ +var dynCall_iiiiiijj = Module["dynCall_iiiiiijj"] = createExportWrapper("dynCall_iiiiiijj"); + + +function invoke_vii(index,a1,a2) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viii(index,a1,a2,a3) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_ii(index,a1) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_v(index) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iii(index,a1,a2) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_vi(index,a1) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiii(index,a1,a2,a3) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiii(index,a1,a2,a3,a4) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_i(index) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiiii(index,a1,a2,a3,a4,a5,a6,a7) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_di(index,a1) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iid(index,a1,a2) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiii(index,a1,a2,a3,a4,a5) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiii(index,a1,a2,a3,a4,a5) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiii(index,a1,a2,a3,a4) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiii(index,a1,a2,a3,a4,a5,a6) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiiii(index,a1,a2,a3,a4,a5,a6) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_vif(index,a1,a2) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiid(index,a1,a2,a3,a4,a5) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiiiii(index,a1,a2,a3,a4,a5,a6,a7) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_fiii(index,a1,a2,a3) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_diii(index,a1,a2,a3) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiiiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_ji(index,a1) { + var sp = stackSave(); + try { + return dynCall_ji(index,a1); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_vij(index,a1,a2,a3) { + var sp = stackSave(); + try { + dynCall_vij(index,a1,a2,a3); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_j(index) { + var sp = stackSave(); + try { + return dynCall_j(index); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_jiiii(index,a1,a2,a3,a4) { + var sp = stackSave(); + try { + return dynCall_jiiii(index,a1,a2,a3,a4); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + + + + +// === Auto-generated postamble setup entry stuff === + + +var unexportedRuntimeSymbols = [ + 'run', + 'UTF8ArrayToString', + 'UTF8ToString', + 'stringToUTF8Array', + 'stringToUTF8', + 'lengthBytesUTF8', + 'addOnPreRun', + 'addOnInit', + 'addOnPreMain', + 'addOnExit', + 'addOnPostRun', + 'addRunDependency', + 'removeRunDependency', + 'FS_createFolder', + 'FS_createPath', + 'FS_createDataFile', + 'FS_createPreloadedFile', + 'FS_createLazyFile', + 'FS_createLink', + 'FS_createDevice', + 'FS_unlink', + 'getLEB', + 'getFunctionTables', + 'alignFunctionTables', + 'registerFunctions', + 'prettyPrint', + 'getCompilerSetting', + 'print', + 'printErr', + 'callMain', + 'abort', + 'keepRuntimeAlive', + 'wasmMemory', + 'stackAlloc', + 'stackSave', + 'stackRestore', + 'getTempRet0', + 'setTempRet0', + 'writeStackCookie', + 'checkStackCookie', + 'ptrToString', + 'zeroMemory', + 'stringToNewUTF8', + 'exitJS', + 'getHeapMax', + 'abortOnCannotGrowMemory', + 'emscripten_realloc_buffer', + 'ENV', + 'ERRNO_CODES', + 'ERRNO_MESSAGES', + 'setErrNo', + 'inetPton4', + 'inetNtop4', + 'inetPton6', + 'inetNtop6', + 'readSockaddr', + 'writeSockaddr', + 'DNS', + 'getHostByName', + 'Protocols', + 'Sockets', + 'getRandomDevice', + 'warnOnce', + 'traverseStack', + 'UNWIND_CACHE', + 'convertPCtoSourceLocation', + 'readAsmConstArgsArray', + 'readAsmConstArgs', + 'mainThreadEM_ASM', + 'jstoi_q', + 'jstoi_s', + 'getExecutableName', + 'listenOnce', + 'autoResumeAudioContext', + 'dynCallLegacy', + 'getDynCaller', + 'dynCall', + 'handleException', + 'runtimeKeepalivePush', + 'runtimeKeepalivePop', + 'callUserCallback', + 'maybeExit', + 'safeSetTimeout', + 'asmjsMangle', + 'asyncLoad', + 'alignMemory', + 'mmapAlloc', + 'writeI53ToI64', + 'writeI53ToI64Clamped', + 'writeI53ToI64Signaling', + 'writeI53ToU64Clamped', + 'writeI53ToU64Signaling', + 'readI53FromI64', + 'readI53FromU64', + 'convertI32PairToI53', + 'convertI32PairToI53Checked', + 'convertU32PairToI53', + 'getCFunc', + 'ccall', + 'cwrap', + 'uleb128Encode', + 'sigToWasmTypes', + 'generateFuncType', + 'convertJsFunctionToWasm', + 'freeTableIndexes', + 'functionsInTableMap', + 'getEmptyTableSlot', + 'updateTableMap', + 'addFunction', + 'removeFunction', + 'reallyNegative', + 'unSign', + 'strLen', + 'reSign', + 'formatString', + 'setValue', + 'getValue', + 'PATH', + 'PATH_FS', + 'intArrayFromString', + 'intArrayToString', + 'AsciiToString', + 'stringToAscii', + 'UTF16Decoder', + 'UTF16ToString', + 'stringToUTF16', + 'lengthBytesUTF16', + 'UTF32ToString', + 'stringToUTF32', + 'lengthBytesUTF32', + 'allocateUTF8', + 'allocateUTF8OnStack', + 'writeStringToMemory', + 'writeArrayToMemory', + 'writeAsciiToMemory', + 'SYSCALLS', + 'getSocketFromFD', + 'getSocketAddress', + 'JSEvents', + 'registerKeyEventCallback', + 'specialHTMLTargets', + 'maybeCStringToJsString', + 'findEventTarget', + 'findCanvasEventTarget', + 'getBoundingClientRect', + 'fillMouseEventData', + 'registerMouseEventCallback', + 'registerWheelEventCallback', + 'registerUiEventCallback', + 'registerFocusEventCallback', + 'fillDeviceOrientationEventData', + 'registerDeviceOrientationEventCallback', + 'fillDeviceMotionEventData', + 'registerDeviceMotionEventCallback', + 'screenOrientation', + 'fillOrientationChangeEventData', + 'registerOrientationChangeEventCallback', + 'fillFullscreenChangeEventData', + 'registerFullscreenChangeEventCallback', + 'JSEvents_requestFullscreen', + 'JSEvents_resizeCanvasForFullscreen', + 'registerRestoreOldStyle', + 'hideEverythingExceptGivenElement', + 'restoreHiddenElements', + 'setLetterbox', + 'currentFullscreenStrategy', + 'restoreOldWindowedStyle', + 'softFullscreenResizeWebGLRenderTarget', + 'doRequestFullscreen', + 'fillPointerlockChangeEventData', + 'registerPointerlockChangeEventCallback', + 'registerPointerlockErrorEventCallback', + 'requestPointerLock', + 'fillVisibilityChangeEventData', + 'registerVisibilityChangeEventCallback', + 'registerTouchEventCallback', + 'fillGamepadEventData', + 'registerGamepadEventCallback', + 'registerBeforeUnloadEventCallback', + 'fillBatteryEventData', + 'battery', + 'registerBatteryEventCallback', + 'setCanvasElementSize', + 'getCanvasElementSize', + 'demangle', + 'demangleAll', + 'jsStackTrace', + 'stackTrace', + 'ExitStatus', + 'getEnvStrings', + 'checkWasiClock', + 'doReadv', + 'doWritev', + 'dlopenMissingError', + 'createDyncallWrapper', + 'setImmediateWrapped', + 'clearImmediateWrapped', + 'polyfillSetImmediate', + 'uncaughtExceptionCount', + 'exceptionLast', + 'exceptionCaught', + 'ExceptionInfo', + 'exception_addRef', + 'exception_decRef', + 'getExceptionMessageCommon', + 'incrementExceptionRefcount', + 'decrementExceptionRefcount', + 'getExceptionMessage', + 'Browser', + 'setMainLoop', + 'wget', + 'FS', + 'MEMFS', + 'TTY', + 'PIPEFS', + 'SOCKFS', + '_setNetworkCallback', + 'tempFixedLengthArray', + 'miniTempWebGLFloatBuffers', + 'heapObjectForWebGLType', + 'heapAccessShiftForWebGLHeap', + 'GL', + 'emscriptenWebGLGet', + 'computeUnpackAlignedImageSize', + 'emscriptenWebGLGetTexPixelData', + 'emscriptenWebGLGetUniform', + 'webglGetUniformLocation', + 'webglPrepareUniformLocationsBeforeFirstUse', + 'webglGetLeftBracePos', + 'emscriptenWebGLGetVertexAttrib', + 'writeGLArray', + 'AL', + 'SDL_unicode', + 'SDL_ttfContext', + 'SDL_audio', + 'SDL', + 'SDL_gfx', + 'GLUT', + 'EGL', + 'GLFW_Window', + 'GLFW', + 'GLEW', + 'IDBStore', + 'runAndAbortIfError', + 'ALLOC_NORMAL', + 'ALLOC_STACK', + 'allocate', + 'InternalError', + 'BindingError', + 'UnboundTypeError', + 'PureVirtualError', + 'init_embind', + 'throwInternalError', + 'throwBindingError', + 'throwUnboundTypeError', + 'ensureOverloadTable', + 'exposePublicSymbol', + 'replacePublicSymbol', + 'extendError', + 'createNamedFunction', + 'embindRepr', + 'registeredInstances', + 'getBasestPointer', + 'registerInheritedInstance', + 'unregisterInheritedInstance', + 'getInheritedInstance', + 'getInheritedInstanceCount', + 'getLiveInheritedInstances', + 'registeredTypes', + 'awaitingDependencies', + 'typeDependencies', + 'registeredPointers', + 'registerType', + 'whenDependentTypesAreResolved', + 'embind_charCodes', + 'embind_init_charCodes', + 'readLatin1String', + 'getTypeName', + 'heap32VectorToArray', + 'requireRegisteredType', + 'getShiftFromSize', + 'integerReadValueFromPointer', + 'enumReadValueFromPointer', + 'floatReadValueFromPointer', + 'simpleReadValueFromPointer', + 'runDestructors', + 'new_', + 'craftInvokerFunction', + 'embind__requireFunction', + 'tupleRegistrations', + 'structRegistrations', + 'genericPointerToWireType', + 'constNoSmartPtrRawPointerToWireType', + 'nonConstNoSmartPtrRawPointerToWireType', + 'init_RegisteredPointer', + 'RegisteredPointer', + 'RegisteredPointer_getPointee', + 'RegisteredPointer_destructor', + 'RegisteredPointer_deleteObject', + 'RegisteredPointer_fromWireType', + 'runDestructor', + 'releaseClassHandle', + 'finalizationRegistry', + 'detachFinalizer_deps', + 'detachFinalizer', + 'attachFinalizer', + 'makeClassHandle', + 'init_ClassHandle', + 'ClassHandle', + 'ClassHandle_isAliasOf', + 'throwInstanceAlreadyDeleted', + 'ClassHandle_clone', + 'ClassHandle_delete', + 'deletionQueue', + 'ClassHandle_isDeleted', + 'ClassHandle_deleteLater', + 'flushPendingDeletes', + 'delayFunction', + 'setDelayFunction', + 'RegisteredClass', + 'shallowCopyInternalPointer', + 'downcastPointer', + 'upcastPointer', + 'validateThis', + 'char_0', + 'char_9', + 'makeLegalFunctionName', + 'emval_handle_array', + 'emval_free_list', + 'emval_symbols', + 'init_emval', + 'count_emval_handles', + 'get_first_emval', + 'getStringOrSymbol', + 'Emval', + 'emval_newers', + 'craftEmvalAllocator', + 'emval_get_global', + 'emval_lookupTypes', + 'emval_allocateDestructors', + 'emval_methodCallers', + 'emval_addMethodCaller', + 'emval_registeredMethods', +]; +unexportedRuntimeSymbols.forEach(unexportedRuntimeSymbol); +var missingLibrarySymbols = [ + 'ptrToString', + 'stringToNewUTF8', + 'exitJS', + 'emscripten_realloc_buffer', + 'inetPton4', + 'inetNtop4', + 'inetPton6', + 'inetNtop6', + 'readSockaddr', + 'writeSockaddr', + 'getHostByName', + 'traverseStack', + 'convertPCtoSourceLocation', + 'readAsmConstArgs', + 'mainThreadEM_ASM', + 'jstoi_q', + 'jstoi_s', + 'listenOnce', + 'autoResumeAudioContext', + 'handleException', + 'runtimeKeepalivePush', + 'runtimeKeepalivePop', + 'callUserCallback', + 'maybeExit', + 'safeSetTimeout', + 'asmjsMangle', + 'writeI53ToI64', + 'writeI53ToI64Clamped', + 'writeI53ToI64Signaling', + 'writeI53ToU64Clamped', + 'writeI53ToU64Signaling', + 'readI53FromI64', + 'readI53FromU64', + 'convertI32PairToI53', + 'convertU32PairToI53', + 'getCFunc', + 'ccall', + 'cwrap', + 'uleb128Encode', + 'sigToWasmTypes', + 'generateFuncType', + 'convertJsFunctionToWasm', + 'getEmptyTableSlot', + 'updateTableMap', + 'addFunction', + 'removeFunction', + 'reallyNegative', + 'unSign', + 'strLen', + 'reSign', + 'formatString', + 'intArrayToString', + 'AsciiToString', + 'stringToAscii', + 'allocateUTF8', + 'allocateUTF8OnStack', + 'writeStringToMemory', + 'getSocketFromFD', + 'getSocketAddress', + 'registerKeyEventCallback', + 'maybeCStringToJsString', + 'findEventTarget', + 'findCanvasEventTarget', + 'getBoundingClientRect', + 'fillMouseEventData', + 'registerMouseEventCallback', + 'registerWheelEventCallback', + 'registerUiEventCallback', + 'registerFocusEventCallback', + 'fillDeviceOrientationEventData', + 'registerDeviceOrientationEventCallback', + 'fillDeviceMotionEventData', + 'registerDeviceMotionEventCallback', + 'screenOrientation', + 'fillOrientationChangeEventData', + 'registerOrientationChangeEventCallback', + 'fillFullscreenChangeEventData', + 'registerFullscreenChangeEventCallback', + 'JSEvents_requestFullscreen', + 'JSEvents_resizeCanvasForFullscreen', + 'registerRestoreOldStyle', + 'hideEverythingExceptGivenElement', + 'restoreHiddenElements', + 'setLetterbox', + 'softFullscreenResizeWebGLRenderTarget', + 'doRequestFullscreen', + 'fillPointerlockChangeEventData', + 'registerPointerlockChangeEventCallback', + 'registerPointerlockErrorEventCallback', + 'requestPointerLock', + 'fillVisibilityChangeEventData', + 'registerVisibilityChangeEventCallback', + 'registerTouchEventCallback', + 'fillGamepadEventData', + 'registerGamepadEventCallback', + 'registerBeforeUnloadEventCallback', + 'fillBatteryEventData', + 'battery', + 'registerBatteryEventCallback', + 'setCanvasElementSize', + 'getCanvasElementSize', + 'checkWasiClock', + 'createDyncallWrapper', + 'setImmediateWrapped', + 'clearImmediateWrapped', + 'polyfillSetImmediate', + 'getExceptionMessageCommon', + 'incrementExceptionRefcount', + 'decrementExceptionRefcount', + 'getExceptionMessage', + 'setMainLoop', + '_setNetworkCallback', + 'heapObjectForWebGLType', + 'heapAccessShiftForWebGLHeap', + 'emscriptenWebGLGet', + 'computeUnpackAlignedImageSize', + 'emscriptenWebGLGetTexPixelData', + 'emscriptenWebGLGetUniform', + 'webglGetUniformLocation', + 'webglPrepareUniformLocationsBeforeFirstUse', + 'webglGetLeftBracePos', + 'emscriptenWebGLGetVertexAttrib', + 'writeGLArray', + 'SDL_unicode', + 'SDL_ttfContext', + 'SDL_audio', + 'GLFW_Window', + 'runAndAbortIfError', + 'ALLOC_NORMAL', + 'ALLOC_STACK', + 'allocate', + 'init_embind', + 'getBasestPointer', + 'registerInheritedInstance', + 'unregisterInheritedInstance', + 'getInheritedInstance', + 'getInheritedInstanceCount', + 'getLiveInheritedInstances', + 'requireRegisteredType', + 'enumReadValueFromPointer', + 'genericPointerToWireType', + 'constNoSmartPtrRawPointerToWireType', + 'nonConstNoSmartPtrRawPointerToWireType', + 'init_RegisteredPointer', + 'RegisteredPointer', + 'RegisteredPointer_getPointee', + 'RegisteredPointer_destructor', + 'RegisteredPointer_deleteObject', + 'RegisteredPointer_fromWireType', + 'runDestructor', + 'releaseClassHandle', + 'detachFinalizer', + 'attachFinalizer', + 'makeClassHandle', + 'init_ClassHandle', + 'ClassHandle', + 'ClassHandle_isAliasOf', + 'throwInstanceAlreadyDeleted', + 'ClassHandle_clone', + 'ClassHandle_delete', + 'ClassHandle_isDeleted', + 'ClassHandle_deleteLater', + 'flushPendingDeletes', + 'setDelayFunction', + 'RegisteredClass', + 'shallowCopyInternalPointer', + 'downcastPointer', + 'upcastPointer', + 'validateThis', + 'getStringOrSymbol', + 'craftEmvalAllocator', + 'emval_get_global', + 'emval_lookupTypes', + 'emval_allocateDestructors', + 'emval_addMethodCaller', +]; +missingLibrarySymbols.forEach(missingLibrarySymbol) + + +var calledRun; + +dependenciesFulfilled = function runCaller() { + // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false) + if (!calledRun) run(); + if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled +}; + +function stackCheckInit() { + // This is normally called automatically during __wasm_call_ctors but need to + // get these values before even running any of the ctors so we call it redundantly + // here. + _emscripten_stack_init(); + // TODO(sbc): Move writeStackCookie to native to to avoid this. + writeStackCookie(); +} + +/** @type {function(Array=)} */ +function run(args) { + args = args || arguments_; + + if (runDependencies > 0) { + return; + } + + stackCheckInit(); + + preRun(); + + // a preRun added a dependency, run will be called later + if (runDependencies > 0) { + return; + } + + function doRun() { + // run may have just been called through dependencies being fulfilled just in this very frame, + // or while the async setStatus time below was happening + if (calledRun) return; + calledRun = true; + Module['calledRun'] = true; + + if (ABORT) return; + + initRuntime(); + + readyPromiseResolve(Module); + if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized'](); + + assert(!Module['_main'], 'compiled without a main, but one is present. if you added it from JS, use Module["onRuntimeInitialized"]'); + + postRun(); + } + + if (Module['setStatus']) { + Module['setStatus']('Running...'); + setTimeout(function() { + setTimeout(function() { + Module['setStatus'](''); + }, 1); + doRun(); + }, 1); + } else + { + doRun(); + } + checkStackCookie(); +} + +function checkUnflushedContent() { + // Compiler settings do not allow exiting the runtime, so flushing + // the streams is not possible. but in ASSERTIONS mode we check + // if there was something to flush, and if so tell the user they + // should request that the runtime be exitable. + // Normally we would not even include flush() at all, but in ASSERTIONS + // builds we do so just for this check, and here we see if there is any + // content to flush, that is, we check if there would have been + // something a non-ASSERTIONS build would have not seen. + // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0 + // mode (which has its own special function for this; otherwise, all + // the code is inside libc) + var oldOut = out; + var oldErr = err; + var has = false; + out = err = (x) => { + has = true; + } + try { // it doesn't matter if it fails + _fflush(0); + // also flush in the JS FS layer + ['stdout', 'stderr'].forEach(function(name) { + var info = FS.analyzePath('/dev/' + name); + if (!info) return; + var stream = info.object; + var rdev = stream.rdev; + var tty = TTY.ttys[rdev]; + if (tty && tty.output && tty.output.length) { + has = true; + } + }); + } catch(e) {} + out = oldOut; + err = oldErr; + if (has) { + warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.'); + } +} + +if (Module['preInit']) { + if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; + while (Module['preInit'].length > 0) { + Module['preInit'].pop()(); + } +} + +run(); + + + + + + + + return LsqeccModule.ready +} +); +})(); +if (typeof exports === 'object' && typeof module === 'object') + module.exports = LsqeccModule; +else if (typeof define === 'function' && define['amd']) + define([], function() { return LsqeccModule; }); +else if (typeof exports === 'object') + exports["LsqeccModule"] = LsqeccModule; diff --git a/public/lsqecc_emscripten.wasm b/public/lsqecc_emscripten.wasm new file mode 100755 index 0000000..5006b7f Binary files /dev/null and b/public/lsqecc_emscripten.wasm differ diff --git a/src/components/sections/CircuitSelect/CodeEditor.tsx b/src/components/sections/CircuitSelect/CodeEditor.tsx new file mode 100644 index 0000000..707643c --- /dev/null +++ b/src/components/sections/CircuitSelect/CodeEditor.tsx @@ -0,0 +1,33 @@ +import SimpleCodeEditor from "react-simple-code-editor" +import { Box } from "@chakra-ui/react" + +interface CodeEditorProps { + code: string + onCodeChange: (value: string) => void +} + +const CodeEditor = ({ code, onCodeChange }: CodeEditorProps) => ( + + content} + padding={10} + style={{ + fontFamily: '"Fira code", "Fira Mono", monospace', + fontSize: 12, + border: "black", + }} + /> + +) + +export default CodeEditor diff --git a/src/components/sections/CircuitSelect/CompilationOptionsSelector.tsx b/src/components/sections/CircuitSelect/CompilationOptionsSelector.tsx new file mode 100644 index 0000000..f284af9 --- /dev/null +++ b/src/components/sections/CircuitSelect/CompilationOptionsSelector.tsx @@ -0,0 +1,133 @@ +import { + CompilationOptions, + CorrectiveTermBehaviour, + FastSlicerOptions, + LayoutType, + LitinskiCompilationOptions, +} from "../../../lib/compilationOptions" +import React from "react" +import { Checkbox, HStack, Link, Select, Text, VStack } from "@chakra-ui/react" + +interface CompilationOptionsSelectorProps { + compilationOptions: CompilationOptions + setCompilationOptions: React.Dispatch +} + +const CompilationOptionsSelector = ({ + compilationOptions, + setCompilationOptions, +}: CompilationOptionsSelectorProps) => { + const updateFastSlicerOptions = (fastSlicerOptions: FastSlicerOptions) => + setCompilationOptions({ ...compilationOptions, fastSlicerOptions }) + const updateLitinskiCompilationOptions = ( + litinskiCompilationOptions: LitinskiCompilationOptions + ) => setCompilationOptions({ ...compilationOptions, litinskiCompilationOptions }) + + return ( + + + {compilationOptions.kind === "FastSlicerOptions" ? ( + <> + + Note: If submitting .qasm, the fast slicer only supports{" "} + + a very small subset + + . + + + Layout: + + Apply corrective terms: + + + + ) : ( + + updateLitinskiCompilationOptions({ + ...compilationOptions.litinskiCompilationOptions, + doStabilizerCommutingTransform: e.target.checked, + }) + } + > + Pi/4 removing transform + + )} + + ) +} + +export default CompilationOptionsSelector diff --git a/src/components/sections/CircuitSelect/FileUploader.tsx b/src/components/sections/CircuitSelect/FileUploader.tsx index 873bd44..396ee95 100644 --- a/src/components/sections/CircuitSelect/FileUploader.tsx +++ b/src/components/sections/CircuitSelect/FileUploader.tsx @@ -20,7 +20,7 @@ const FileUploader = ({ onFileAccepted, isLoading }: FileUploaderProps): JSX.Ele const { getRootProps, getInputProps, isDragActive } = useDropzone({ onDrop, - accept: [".qasm", ".json"], + accept: [".qasm", ".json", ".lli", ".lsi"], maxFiles: 1, multiple: false, disabled: isLoading, @@ -51,9 +51,10 @@ const FileUploader = ({ onFileAccepted, isLoading }: FileUploaderProps): JSX.Ele {isDragActive ? "Drop the file here" - : "Drop your .qasm circuit here, or click to select file."} + : "Drop your circuit here, or click to select file."}
- Alternatively, upload Json Compilation Result as .json + File can be Logical Lattice Instructions (.lli/.lsi) OpenQASM 2.0 (.qasm) or Slices + (.json) {isLoading && } diff --git a/src/components/sections/CircuitSelect/demoCircuits.ts b/src/components/sections/CircuitSelect/demoCircuits.ts new file mode 100644 index 0000000..8c26c18 --- /dev/null +++ b/src/components/sections/CircuitSelect/demoCircuits.ts @@ -0,0 +1,10 @@ +export const SIMPLE_QASM_CIRCUIT = `OPENQASM 2.0; +include "qelib1.inc"; + +qreg q[15]; + +cx q[0],q[10]; +s q[1]; +cx q[1],q[3]; +cx q[5],q[7]; +t q[2];` diff --git a/src/components/sections/CircuitSelect/index.tsx b/src/components/sections/CircuitSelect/index.tsx index 1444a8b..3dc81db 100644 --- a/src/components/sections/CircuitSelect/index.tsx +++ b/src/components/sections/CircuitSelect/index.tsx @@ -1,37 +1,138 @@ -import { useState } from "react" -import React from "react" +import React, { useState } from "react" import { Button, - Checkbox, Flex, + HStack, Menu, MenuButton, MenuItem, MenuList, - Text, - Box, - NumberDecrementStepper, - NumberIncrementStepper, - NumberInputField, - NumberInputStepper, - NumberInput, + Spacer, + VStack, } from "@chakra-ui/react" import { IoChevronDownSharp } from "react-icons/io5" import { AppState } from "../../../lib/appState" import FileUploader from "./FileUploader" import submitCompileRequest from "../../../lib/submitCompileRequest" import isDevMode from "../../../lib/isDevMode" -import { CompilationResultSuccess } from "../../../lib/apiResponses" +import { CompilationResultSuccess, ResponseError } from "../../../lib/apiResponses" +import { + CompilationOptions, + CorrectiveTermBehaviour, + defaultCompilationOptions, + LayoutType, +} from "../../../lib/compilationOptions" +import { Slices } from "../../../lib/slices" +import CompilationOptionsSelector from "./CompilationOptionsSelector" +import CodeEditor from "./CodeEditor" +import { SIMPLE_QASM_CIRCUIT } from "./demoCircuits" + +interface EmscriptenSlicerResult { + err: string + exit_code: number + output: string +} + +const runCompilation = async ( + setAppState: React.Dispatch, + fileContents: string, + compilationOptions: CompilationOptions, + extension: string +) => { + // Modify State on Compile Request Submit + setAppState({ + compilationIsLoading: true, + apiResponse: null, + }) + + if (compilationOptions.kind == "LitinskiCompilationOptions") + submitCompileRequest( + setAppState, + fileContents, + compilationOptions.litinskiCompilationOptions + ) + else { + const { fastSlicerOptions } = compilationOptions + + // Modify State on Compile Request Submit + setAppState({ + compilationIsLoading: true, + apiResponse: null, + }) + + // Run the script + // @ts-ignore + const loadedModule = await LsqeccModule() + + const commandLine = [ + fastSlicerOptions.layoutType === LayoutType.Compact ? "--compactlayout" : "", + extension === "qasm" ? "-q" : "", + "--cnotcorrections", + fastSlicerOptions.correctiveTermBehaviour === CorrectiveTermBehaviour.Allways + ? "always" + : "never", + ].join(" ") + if (isDevMode()) + console.log(`Compiling in browser with args: ${commandLine}\ninput:\n${fileContents}`) + const emscriptenRawResult = loadedModule.run_slicer_program_from_strings( + commandLine, + fileContents + ) + if (isDevMode()) console.log(emscriptenRawResult) + + const emscriptenResult: EmscriptenSlicerResult = JSON.parse(emscriptenRawResult) + + try { + if (emscriptenResult.exit_code === 0) { + setAppState({ + compilationIsLoading: false, + apiResponse: new CompilationResultSuccess( + JSON.parse(emscriptenResult.output) as Slices, + `Emscripten Success` + ), + }) + } else { + setAppState({ + compilationIsLoading: false, + apiResponse: new ResponseError( + `Compiler returned non zero exit code ${emscriptenResult.exit_code}`, + `Compiler Error: ${emscriptenResult.err}\n` + + (isDevMode() ? `Compiler Output: ${emscriptenResult.output}` : "") + ), + }) + } + } catch (err) { + setAppState({ + compilationIsLoading: false, + apiResponse: new ResponseError( + `JS Exception`, + `${err}\nCompiler Error: ${emscriptenResult.err}\nCompiler Output: ${emscriptenResult.output}` + ), + }) + } + } +} + +enum CircuitSelectMode { + Empty, + CodeEditor, + UploadFile, +} type CircuitSelectProps = { appState: AppState setAppState: React.Dispatch - repeats: number - setRepeats: (value: number) => void } -const CircuitSelect = ({ appState, setAppState, repeats, setRepeats }: CircuitSelectProps) => { - const [doTransform, setDoTransform] = useState(true) +const CircuitSelect = ({ appState, setAppState }: CircuitSelectProps) => { + const [compilationOptions, setCompilationOptions] = + useState(defaultCompilationOptions) + + const [circuitSelectMode, setCircuitSelectMode] = useState( + CircuitSelectMode.Empty + ) + + const [code, setCode] = useState(SIMPLE_QASM_CIRCUIT) const readFile = (file: File) => { return new Promise((resolve, reject) => { @@ -44,7 +145,8 @@ const CircuitSelect = ({ appState, setAppState, repeats, setRepeats }: CircuitSe const onFileAccepted = async (file: File) => { const data = await readFile(file) - if (file.name.slice(-5) == ".json") { + const extension: string = file.name.split(".").pop() || "" + if (extension === "json") { const json_data = JSON.parse(data as string) if (Object.prototype.hasOwnProperty.call(json_data, "compilation_text")) { setAppState({ @@ -61,7 +163,7 @@ const CircuitSelect = ({ appState, setAppState, repeats, setRepeats }: CircuitSe }) } } else { - submitCompileRequest(setAppState, data as string, doTransform, repeats) + await runCompilation(setAppState, data as string, compilationOptions, extension) } } @@ -69,10 +171,50 @@ const CircuitSelect = ({ appState, setAppState, repeats, setRepeats }: CircuitSe const file_url = `${process.env.PUBLIC_URL}/assets/demo_circuits/${example}` const data = await fetch(file_url).then((response) => response.text()) if (data) { - submitCompileRequest(setAppState, data as string, doTransform, repeats) + await runCompilation(setAppState, data as string, compilationOptions, "qasm") } } + const crenderCodeSection = () => { + if (circuitSelectMode == CircuitSelectMode.UploadFile) + return ( + + ) + else if (circuitSelectMode == CircuitSelectMode.CodeEditor) + return ( + + + + + + + + + + + ) + else return <> + } + return ( @@ -82,52 +224,30 @@ const CircuitSelect = ({ appState, setAppState, repeats, setRepeats }: CircuitSe rightIcon={} isLoading={appState.compilationIsLoading} > - Choose an example circuit + Start Compiling onExampleCircuitSelect("bell_pair.qasm")}> - Bell Pair + Example: Bell Pair onExampleCircuitSelect("nontrivial_state.qasm")}> - Non-trivial State + Example: Non-Trivial State + + setCircuitSelectMode(CircuitSelectMode.UploadFile)} + > + Upload File + + setCircuitSelectMode(CircuitSelectMode.CodeEditor)} + > + Code Editor - - OR - - - setDoTransform(e.target.checked)} - isDisabled={appState.compilationIsLoading} - > - Litinski Transform - - {isDevMode() && ( - - - Repeats - { - setRepeats(parseInt(value)) - }} - isDisabled={appState.compilationIsLoading} - > - - - - - - - - - )} + {crenderCodeSection()} ) } diff --git a/src/lib/compilationOptions.ts b/src/lib/compilationOptions.ts new file mode 100644 index 0000000..23482d3 --- /dev/null +++ b/src/lib/compilationOptions.ts @@ -0,0 +1,52 @@ +export enum SimulationMethod { + // None, + StateVector, + // LazilyTensoredStateVector, +} + +export interface LitinskiCompilationOptions { + readonly doStabilizerCommutingTransform: boolean + readonly simulationMethod: SimulationMethod +} + +export enum LayoutType { + //Fast, + Compact, +} + +export enum CorrectiveTermBehaviour { + Never, + Allways, + // Random, +} + +export enum InputType { + LLI, + QASM, + // Random, +} + +export interface FastSlicerOptions { + readonly layoutType: LayoutType + readonly correctiveTermBehaviour: CorrectiveTermBehaviour +} + +export interface CompilationOptions { + kind: "FastSlicerOptions" | "LitinskiCompilationOptions" + fastSlicerOptions: FastSlicerOptions + litinskiCompilationOptions: LitinskiCompilationOptions + inputType: InputType +} + +export const defaultCompilationOptions: CompilationOptions = { + kind: "FastSlicerOptions", + fastSlicerOptions: { + layoutType: LayoutType.Compact, + correctiveTermBehaviour: CorrectiveTermBehaviour.Allways, + }, + litinskiCompilationOptions: { + doStabilizerCommutingTransform: true, + simulationMethod: SimulationMethod.StateVector, // TODO change to LazilyTensoredStateVector once enabled + }, + inputType: InputType.LLI, +} diff --git a/src/lib/isDevMode.ts b/src/lib/isDevMode.ts index 8bf5325..2ccbbe9 100644 --- a/src/lib/isDevMode.ts +++ b/src/lib/isDevMode.ts @@ -1,9 +1,7 @@ -import { useSearchParams } from "react-router-dom" +import queryString from "query-string" const isDevMode = (): boolean => { - const [searchParams] = useSearchParams() - - return searchParams.get("dev") === "true" + return queryString.parse(window.location.search).port == "true" } export default isDevMode diff --git a/src/lib/parseCompilationText.ts b/src/lib/parseCompilationText.ts index 28072ce..1b7117e 100644 --- a/src/lib/parseCompilationText.ts +++ b/src/lib/parseCompilationText.ts @@ -7,6 +7,10 @@ const parseCompilationText = (compilation_text: string): Array if (compilation_text == "") { return [new CompilationStage("User Uploaded Json", "")] } + if (compilation_text.includes("Emscripten Success")) { + return [new CompilationStage("Compiled in browser:", "Success")] + } + const compilation_text_split = compilation_text.split("Circuit") const input_circuit = compilation_text_split[1].slice(2) diff --git a/src/lib/submitCompileRequest.ts b/src/lib/submitCompileRequest.ts index fff1bd4..4c88d43 100644 --- a/src/lib/submitCompileRequest.ts +++ b/src/lib/submitCompileRequest.ts @@ -3,14 +3,14 @@ import queryString from "query-string" import { CompilationResult } from "./slices" import axios from "axios" import { CompilationResultSuccess, ResponseError } from "./apiResponses" +import { LitinskiCompilationOptions, SimulationMethod } from "./compilationOptions" const API_URL = "https://api.latticesurgery.com/compile" const submitCompileRequest = async ( setAppState: React.Dispatch, circuitStr: string, - doLitinskiTransform: boolean, - repeats: number + compilationOptions: LitinskiCompilationOptions ) => { const queryStringMap = queryString.parse(window.location.search) @@ -18,17 +18,12 @@ const submitCompileRequest = async ( ? `http://localhost:${queryStringMap.port || 9876}/compile` : API_URL - // Modify State on Compile Request Submit - setAppState({ - compilationIsLoading: true, - apiResponse: null, - }) - try { const response = await axios.post(apiUrl, { circuit_source: "str", circuit: circuitStr, - apply_litinski_transform: doLitinskiTransform, + apply_litinski_transform: compilationOptions.doStabilizerCommutingTransform, + simulation_method: SimulationMethod[compilationOptions.simulationMethod], }) if (response.data.errorMessage) { @@ -43,19 +38,6 @@ const submitCompileRequest = async ( try { const responseJson = JSON.parse(response.data) as CompilationResult - responseJson.slices.forEach((slice, slice_idx) => { - slice.forEach((row, row_idx) => { - for (let i = 0; i < repeats; i++) { - responseJson.slices[slice_idx][row_idx] = - responseJson.slices[slice_idx][row_idx].concat(row) - } - }) - for (let i = 0; i < repeats; i++) { - responseJson.slices[slice_idx] = - responseJson.slices[slice_idx].concat(slice) - } - }) - setAppState({ apiResponse: new CompilationResultSuccess( responseJson.slices, diff --git a/src/pages/Compiler.tsx b/src/pages/Compiler.tsx index e15c0bc..065c952 100644 --- a/src/pages/Compiler.tsx +++ b/src/pages/Compiler.tsx @@ -1,4 +1,4 @@ -import { useState } from "react" +import { useEffect, useState } from "react" import { AppState } from "../lib/appState" import isDevMode from "../lib/isDevMode" import LatticeView from "../components/sections/LatticeView" @@ -18,7 +18,15 @@ import CircuitSelect from "../components/sections/CircuitSelect" const CompilerPage = (): JSX.Element => { const [appState, setAppState] = useState(new AppState()) - const [repeats, setRepeats] = useState(0) + + // Delicate section to load the emscripten module + useEffect(() => { + console.log("Running setup code") + const scriptElement = document.createElement("script") + document.head.appendChild(scriptElement) + scriptElement.type = "text/javascript" + scriptElement.src = "lsqecc_emscripten.js" + }, []) return ( <> @@ -31,35 +39,33 @@ const CompilerPage = (): JSX.Element => { )} +
+ + You are trying a demo. For the full functionality check out our  + + GitHub + + . + +
- + {appState.apiResponse instanceof ResponseError && ( {appState.apiResponse.title} - {appState.apiResponse.msg} + + {appState.apiResponse.msg + .split("\n") + .flatMap((line, n) => [ + {line}, +
, + ])} + )} -
- - You are trying a demo. For the full functionality check out our  - - GitHub - - . - -
{appState.apiResponse instanceof CompilationResultSuccess && ( )}