// include: shell.js // The Module object: Our interface to the outside world. We import // and export values on it. There are various ways Module can be used: // 1. Not defined. We create it here // 2. A function parameter, function(Module) { ..generated code.. } // 3. pre-run appended it, var Module = {}; ..generated code.. // 4. External script tag defines var Module. // We need to check if Module already exists (e.g. case 3 above). // Substitution will be replaced with actual code on later stage of the build, // this way Closure Compiler will not mangle it (e.g. case 4. above). // Note that if you want to run closure, and also to use Module // after the generated code, you will need to define var Module = {}; // before the code. Then that object will be used in the code, and you // can continue to use Module afterwards as well. var Module = typeof Module != 'undefined' ? Module : {}; // --pre-jses are emitted after the Module integration code, so that they can // refer to Module (if they choose; they can also define Module) // 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)'); } // Three configurations we can be running in: // 1) We could be the application main() thread running in the main JS UI thread. (ENVIRONMENT_IS_WORKER == false and ENVIRONMENT_IS_PTHREAD == false) // 2) We could be the application main() thread proxied to worker. (with Emscripten -sPROXY_TO_WORKER) (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false) // 3) We could be an application pthread running in a worker. (ENVIRONMENT_IS_WORKER == true and ENVIRONMENT_IS_PTHREAD == true) // ENVIRONMENT_IS_PTHREAD=true will have been preset in worker.js. Make it false in the main runtime thread. var ENVIRONMENT_IS_PTHREAD = Module['ENVIRONMENT_IS_PTHREAD'] || false; // In MODULARIZE mode _scriptDir needs to be captured already at the very top of the page immediately when the page is parsed, so it is generated there // before the page load. In non-MODULARIZE modes generate it here. var _scriptDir = (typeof document != 'undefined' && document.currentScript) ? document.currentScript.src : undefined; if (ENVIRONMENT_IS_WORKER) { _scriptDir = self.location.href; } else if (ENVIRONMENT_IS_NODE) { _scriptDir = __filename; } // `/` 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; 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?)'); var nodeVersion = process.versions.node; var numericVersion = nodeVersion.split('.').slice(0, 3); numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1); var minVersion = 160000; if (numericVersion < 160000) { throw new Error('This emscripten-generated code requires node v16.0.0 (detected v' + nodeVersion + ')'); } // `require()` is no-op in an ESM module, use `createRequire()` to construct // the require()` function. This is only necessary for multi-environment // builds, `-sENVIRONMENT=node` emits a static import declaration instead. // TODO: Swap all `require()`'s with `import()`'s? // These modules will usually be used on Node.js. Load them eagerly to avoid // the complexity of lazy-loading. var fs = require('fs'); var nodePath = require('path'); if (ENVIRONMENT_IS_WORKER) { scriptDirectory = nodePath.dirname(scriptDirectory) + '/'; } else { scriptDirectory = __dirname + '/'; } // include: node_shell_read.js read_ = (filename, binary) => { // We need to re-wrap `file://` strings to URLs. Normalizing isn't // necessary in that case, the path should already be absolute. filename = isFileURI(filename) ? new URL(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, binary = true) => { // See the comment in the `read_` function. filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename); fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => { if (err) onerror(err); else onload(binary ? data.buffer : data); }); }; // end include: node_shell_read.js if (!Module['thisProgram'] && process.argv.length > 1) { thisProgram = process.argv[1].replace(/\\/g, '/'); } arguments_ = process.argv.slice(2); if (typeof module != 'undefined') { module['exports'] = Module; } process.on('uncaughtException', (ex) => { // suppress ExitStatus exceptions from showing an error if (ex !== 'unwind' && !(ex instanceof ExitStatus) && !(ex.context instanceof ExitStatus)) { throw ex; } }); quit_ = (status, toThrow) => { process.exitCode = status; throw toThrow; }; global.Worker = require('worker_threads').Worker; } 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_ = read; } readBinary = (f) => { if (typeof readbuffer == 'function') { return new Uint8Array(readbuffer(f)); } let data = read(f, 'binary'); assert(typeof data == 'object'); return data; }; readAsync = (f, onload, onerror) => { setTimeout(() => onload(readBinary(f))); }; if (typeof clearTimeout == 'undefined') { globalThis.clearTimeout = (id) => {}; } if (typeof setTimeout == 'undefined') { // spidermonkey lacks setTimeout but we use it above in readAsync. globalThis.setTimeout = (f) => (typeof f == 'function') ? f() : abort(); } if (typeof scriptArgs != 'undefined') { arguments_ = scriptArgs; } else if (typeof arguments != 'undefined') { arguments_ = arguments; } if (typeof quit == 'function') { quit_ = (status, toThrow) => { // Unlike node which has process.exitCode, d8 has no such mechanism. So we // have no way to set the exit code and then let the program exit with // that code when it naturally stops running (say, when all setTimeouts // have completed). For that reason, we must call `quit` - the only way to // set the exit code - but quit also halts immediately. To increase // consistency with node (and the web) we schedule the actual quit call // using a setTimeout to give the current stack and any exception handlers // a chance to run. This enables features such as addOnPostRun (which // expected to be able to run code after main returns). setTimeout(() => { if (!(toThrow instanceof ExitStatus)) { let toLog = toThrow; if (toThrow && typeof toThrow == 'object' && toThrow.stack) { toLog = [toThrow, toThrow.stack]; } err(`exiting due to exception: ${toLog}`); } quit(status); }); throw toThrow; }; } 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; } // 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.startsWith('blob:')) { scriptDirectory = ''; } else { scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, '').lastIndexOf('/')+1); } 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. if (!ENVIRONMENT_IS_NODE) { // 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 } } else { throw new Error('environment detection error'); } if (ENVIRONMENT_IS_NODE) { // Polyfill the performance object, which emscripten pthreads support // depends on for good timing. if (typeof performance == 'undefined') { global.performance = require('perf_hooks').performance; } } // Set up the out() and err() hooks, which are how we can print to stdout or // stderr, respectively. // Normally just binding console.log/console.error here works fine, but // under node (with workers) we see missing/out-of-order messages so route // directly to stdout and stderr. // See https://github.com/emscripten-core/emscripten/issues/14804 var defaultPrint = console.log.bind(console); var defaultPrintErr = console.error.bind(console); if (ENVIRONMENT_IS_NODE) { defaultPrint = (...args) => fs.writeSync(1, args.join(' ') + '\n'); defaultPrintErr = (...args) => fs.writeSync(2, args.join(' ') + '\n'); } var out = Module['print'] || defaultPrint; var err = Module['printErr'] || defaultPrintErr; // Merge back in the overrides Object.assign(Module, moduleOverrides); // Free the object hierarchy contained in the overrides, this lets the GC // reclaim data used. 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 emscripten_set_window_title in JS)'); assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); legacyModuleProp('asm', 'wasmExports'); 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 FETCHFS = 'FETCHFS is no longer included by default; build with -lfetchfs.js'; var ICASEFS = 'ICASEFS is no longer included by default; build with -licasefs.js'; var JSFILEFS = 'JSFILEFS is no longer included by default; build with -ljsfilefs.js'; var OPFS = 'OPFS is no longer included by default; build with -lopfs.js'; var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; assert( ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER || ENVIRONMENT_IS_NODE, 'Pthreads do not work in this environment yet (need Web Workers, or an alternative to them)'); assert(!ENVIRONMENT_IS_SHELL, 'shell environment detected but not enabled at build time. Add `shell` to `-sENVIRONMENT` to enable.'); // end include: shell.js // include: preamble.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'); if (typeof WebAssembly != 'object') { err('no native wasm support detected'); } // Wasm globals var wasmMemory; // For sending to workers. var wasmModule; //======================================== // 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; // In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we // don't define it at all in release modes. This matches the behaviour of // MINIMAL_RUNTIME. // TODO(sbc): Make this the default even without STRICT enabled. /** @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. // Memory management var HEAP, /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /** @type {!Float64Array} */ HEAPF64; // include: runtime_shared.js function updateMemoryViews() { var b = wasmMemory.buffer; Module['HEAP8'] = HEAP8 = new Int8Array(b); Module['HEAP16'] = HEAP16 = new Int16Array(b); Module['HEAPU8'] = HEAPU8 = new Uint8Array(b); Module['HEAPU16'] = HEAPU16 = new Uint16Array(b); Module['HEAP32'] = HEAP32 = new Int32Array(b); Module['HEAPU32'] = HEAPU32 = new Uint32Array(b); Module['HEAPF32'] = HEAPF32 = new Float32Array(b); Module['HEAPF64'] = HEAPF64 = new Float64Array(b); } // end include: runtime_shared.js assert(!Module['STACK_SIZE'], 'STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time') assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, 'JS engine does not provide full typed array support'); // In non-standalone/normal mode, we create the memory here. // include: runtime_init_memory.js // Create the wasm memory. (Note: this only applies if IMPORTED_MEMORY is defined) var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216;legacyModuleProp('INITIAL_MEMORY', 'INITIAL_MEMORY'); assert(INITIAL_MEMORY >= 65536, 'INITIAL_MEMORY should be larger than STACK_SIZE, was ' + INITIAL_MEMORY + '! (STACK_SIZE=' + 65536 + ')'); // check for full engine support (use string 'subarray' to avoid closure compiler confusion) if (ENVIRONMENT_IS_PTHREAD) { wasmMemory = Module['wasmMemory']; } else { if (Module['wasmMemory']) { wasmMemory = Module['wasmMemory']; } else { wasmMemory = new WebAssembly.Memory({ 'initial': INITIAL_MEMORY / 65536, 'maximum': INITIAL_MEMORY / 65536, 'shared': true, }); if (!(wasmMemory.buffer instanceof SharedArrayBuffer)) { err('requested a shared WebAssembly.Memory but the returned buffer is not a SharedArrayBuffer, indicating that while the browser has SharedArrayBuffer it does not have WebAssembly threads support - you may need to set a flag'); if (ENVIRONMENT_IS_NODE) { err('(on node you may need: --experimental-wasm-threads --experimental-wasm-bulk-memory and/or recent version)'); } throw Error('bad memory'); } } } updateMemoryViews(); // If the user provides an incorrect length, just use that length instead rather than providing the user to // specifically provide the memory length with Module['INITIAL_MEMORY']. INITIAL_MEMORY = wasmMemory.buffer.byteLength; assert(INITIAL_MEMORY % 65536 === 0); // end include: runtime_init_memory.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); // If the stack ends at address zero we write our cookies 4 bytes into the // stack. This prevents interference with SAFE_HEAP and ASAN which also // monitor writes to address zero. if (max == 0) { max += 4; } // 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)] = 0x02135467; HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE; // Also test the global address 0 for integrity. HEAPU32[((0)>>2)] = 1668509029; } function checkStackCookie() { if (ABORT) return; var max = _emscripten_stack_get_end(); // See writeStackCookie(). if (max == 0) { max += 4; } var cookie1 = HEAPU32[((max)>>2)]; var cookie2 = HEAPU32[(((max)+(4))>>2)]; if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) { abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`); } // Also test the global address 0 for integrity. if (HEAPU32[((0)>>2)] != 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 preRun() { assert(!ENVIRONMENT_IS_PTHREAD); // PThreads reuse the runtime from the main thread. 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; if (ENVIRONMENT_IS_PTHREAD) return; checkStackCookie(); callRuntimeCallbacks(__ATINIT__); } function postRun() { checkStackCookie(); if (ENVIRONMENT_IS_PTHREAD) return; // PThreads reuse the runtime from the main thread. 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++; 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(() => { 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--; 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) { 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 // definition 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); // 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; } // include: memoryprofiler.js // end include: memoryprofiler.js // show errors on likely calls to FS when it was not included var FS = { error() { abort('Filesystem support (FS) was not included. The problem is that you are using files from JS, but files were not used from C/C++, so filesystem support was not auto-included. You can force-include filesystem support with -sFORCE_FILESYSTEM'); }, init() { FS.error() }, createDataFile() { FS.error() }, createPreloadedFile() { FS.error() }, createLazyFile() { FS.error() }, open() { FS.error() }, mkdev() { FS.error() }, registerDevice() { FS.error() }, analyzePath() { FS.error() }, ErrnoError() { FS.error() }, }; Module['FS_createDataFile'] = FS.createDataFile; Module['FS_createPreloadedFile'] = FS.createPreloadedFile; // 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. * @noinline */ var isDataURI = (filename) => filename.startsWith(dataURIPrefix); /** * Indicates whether filename is delivered via file protocol (as opposed to http/https) * @noinline */ var isFileURI = (filename) => filename.startsWith('file://'); // end include: URIUtils.js function createExportWrapper(name) { return (...args) => { assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`); var f = wasmExports[name]; assert(f, `exported native function \`${name}\` not found`); return f(...args); }; } // include: runtime_exceptions.js // end include: runtime_exceptions.js var wasmBinaryFile; wasmBinaryFile = 'convex_hull.wasm'; if (!isDataURI(wasmBinaryFile)) { wasmBinaryFile = locateFile(wasmBinaryFile); } function getBinarySync(file) { if (file == wasmBinaryFile && wasmBinary) { return new Uint8Array(wasmBinary); } if (readBinary) { return readBinary(file); } throw 'both async and sync fetching of the wasm failed'; } function getBinaryPromise(binaryFile) { // If we don't have the binary yet, try to load it asynchronously. // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. // See https://github.com/github/fetch/pull/92#issuecomment-140665932 // Cordova or Electron apps are typically loaded from a file:// url. // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { if (typeof fetch == 'function' && !isFileURI(binaryFile) ) { return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => { if (!response['ok']) { throw `failed to load wasm binary file at '${binaryFile}'`; } return response['arrayBuffer'](); }).catch(() => getBinarySync(binaryFile)); } else if (readAsync) { // fetch is not available or url is file => try XHR (readAsync uses XHR internally) return new Promise((resolve, reject) => { readAsync(binaryFile, (response) => resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))), reject) }); } } // Otherwise, getBinarySync should be able to get it synchronously return Promise.resolve().then(() => getBinarySync(binaryFile)); } function instantiateArrayBuffer(binaryFile, imports, receiver) { return getBinaryPromise(binaryFile).then((binary) => { return WebAssembly.instantiate(binary, imports); }).then(receiver, (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(binary, binaryFile, imports, callback) { if (!binary && typeof WebAssembly.instantiateStreaming == 'function' && !isDataURI(binaryFile) && // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously. !isFileURI(binaryFile) && // 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(binaryFile, { credentials: 'same-origin' }).then((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, imports); return result.then( callback, 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(binaryFile, imports, callback); }); }); } return instantiateArrayBuffer(binaryFile, imports, callback); } // Create the wasm instance. // Receives the wasm imports, returns the exports. function createWasm() { // prepare imports var info = { 'env': wasmImports, 'wasi_snapshot_preview1': wasmImports, }; // 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) { wasmExports = instance.exports; registerTLSInit(wasmExports['_emscripten_tls_init']); wasmTable = wasmExports['__indirect_function_table']; assert(wasmTable, 'table not found in wasm exports'); addOnInit(wasmExports['__wasm_call_ctors']); // We now have the Wasm module loaded up, keep a reference to the compiled module so we can post it to the workers. wasmModule = module; removeRunDependency('wasm-instantiate'); return wasmExports; } // wait for the pthread pool (if any) 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; receiveInstance(result['instance'], result['module']); } // 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 { return Module['instantiateWasm'](info, receiveInstance); } catch(e) { err(`Module.instantiateWasm callback failed with error: ${e}`); return false; } } instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult); return {}; // no exports yet; we'll fill them in later } // Globals used by JS i64 conversions (see makeSetValue) var tempDouble; var tempI64; // include: runtime_debug.js function legacyModuleProp(prop, newName, incoming=true) { if (!Object.getOwnPropertyDescriptor(Module, prop)) { Object.defineProperty(Module, prop, { configurable: true, get() { let extra = incoming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : ''; abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra); } }); } } function ignoredModuleProp(prop) { if (Object.getOwnPropertyDescriptor(Module, prop)) { abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`); } } // forcing the filesystem exports a few things by default function isExportedByForceFilesystem(name) { return name === 'FS_createPath' || name === 'FS_createDataFile' || name === 'FS_createPreloadedFile' || name === 'FS_unlink' || name === 'addRunDependency' || // The old FS has some functionality that WasmFS lacks. name === 'FS_createLazyFile' || name === 'FS_createDevice' || name === 'removeRunDependency'; } function missingGlobal(sym, msg) { if (typeof globalThis !== 'undefined') { Object.defineProperty(globalThis, sym, { configurable: true, get() { warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`); return undefined; } }); } } missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer'); missingGlobal('asm', 'Please use wasmExports instead'); function missingLibrarySymbol(sym) { if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) { Object.defineProperty(globalThis, sym, { configurable: true, get() { // Can't `abort()` here because it would break code that does runtime // checks. e.g. `if (typeof SDL === 'undefined')`. var msg = `\`${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='${librarySymbol}')`; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } warnOnce(msg); return undefined; } }); } // Any symbol that is not included from the JS library is also (by definition) // not exported on the Module object. unexportedRuntimeSymbol(sym); } function unexportedRuntimeSymbol(sym) { if (!Object.getOwnPropertyDescriptor(Module, sym)) { Object.defineProperty(Module, sym, { configurable: true, get() { var msg = `'${sym}' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)`; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } abort(msg); } }); } } // Used by XXXXX_DEBUG settings to output debug messages. function dbg(...args) { // Avoid using the console for debugging in multi-threaded node applications // See https://github.com/emscripten-core/emscripten/issues/14804 if (ENVIRONMENT_IS_NODE) { fs.writeSync(2, args.join(' ') + '\n'); } else // TODO(sbc): Make this configurable somehow. Its not always convenient for // logging to show up as warnings. console.warn(...args); } // end include: runtime_debug.js // === Body === // end include: preamble.js /** @constructor */ function ExitStatus(status) { this.name = 'ExitStatus'; this.message = `Program terminated with exit(${status})`; this.status = status; } var terminateWorker = (worker) => { worker.terminate(); // terminate() can be asynchronous, so in theory the worker can continue // to run for some amount of time after termination. However from our POV // the worker now dead and we don't want to hear from it again, so we stub // out its message handler here. This avoids having to check in each of // the onmessage handlers if the message was coming from valid worker. worker.onmessage = (e) => { var cmd = e['data']['cmd']; err(`received "${cmd}" command from terminated worker: ${worker.workerID}`); }; }; var killThread = (pthread_ptr) => { assert(!ENVIRONMENT_IS_PTHREAD, 'Internal Error! killThread() can only ever be called from main application thread!'); assert(pthread_ptr, 'Internal Error! Null pthread_ptr in killThread!'); var worker = PThread.pthreads[pthread_ptr]; delete PThread.pthreads[pthread_ptr]; terminateWorker(worker); __emscripten_thread_free_data(pthread_ptr); // The worker was completely nuked (not just the pthread execution it was hosting), so remove it from running workers // but don't put it back to the pool. PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker), 1); // Not a running Worker anymore. worker.pthread_ptr = 0; }; var cancelThread = (pthread_ptr) => { assert(!ENVIRONMENT_IS_PTHREAD, 'Internal Error! cancelThread() can only ever be called from main application thread!'); assert(pthread_ptr, 'Internal Error! Null pthread_ptr in cancelThread!'); var worker = PThread.pthreads[pthread_ptr]; worker.postMessage({ 'cmd': 'cancel' }); }; var cleanupThread = (pthread_ptr) => { assert(!ENVIRONMENT_IS_PTHREAD, 'Internal Error! cleanupThread() can only ever be called from main application thread!'); assert(pthread_ptr, 'Internal Error! Null pthread_ptr in cleanupThread!'); var worker = PThread.pthreads[pthread_ptr]; assert(worker); PThread.returnWorkerToPool(worker); }; var zeroMemory = (address, size) => { HEAPU8.fill(0, address, address + size); return address; }; var spawnThread = (threadParams) => { assert(!ENVIRONMENT_IS_PTHREAD, 'Internal Error! spawnThread() can only ever be called from main application thread!'); assert(threadParams.pthread_ptr, 'Internal error, no pthread ptr!'); var worker = PThread.getNewWorker(); if (!worker) { // No available workers in the PThread pool. return 6; } assert(!worker.pthread_ptr, 'Internal error!'); PThread.runningWorkers.push(worker); // Add to pthreads map PThread.pthreads[threadParams.pthread_ptr] = worker; worker.pthread_ptr = threadParams.pthread_ptr; var msg = { 'cmd': 'run', 'start_routine': threadParams.startRoutine, 'arg': threadParams.arg, 'pthread_ptr': threadParams.pthread_ptr, }; if (ENVIRONMENT_IS_NODE) { // Mark worker as weakly referenced once we start executing a pthread, // so that its existence does not prevent Node.js from exiting. This // has no effect if the worker is already weakly referenced (e.g. if // this worker was previously idle/unused). worker.unref(); } // Ask the worker to start executing its pthread entry point function. worker.postMessage(msg, threadParams.transferList); return 0; }; var runtimeKeepaliveCounter = 0; var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0; var withStackSave = (f) => { var stack = stackSave(); var ret = f(); stackRestore(stack); return ret; }; var 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; }; /** @type{function(number, (number|boolean), ...number)} */ var proxyToMainThread = (funcIndex, emAsmAddr, sync, ...callArgs) => { // EM_ASM proxying is done by passing a pointer to the address of the EM_ASM // content as `emAsmAddr`. JS library proxying is done by passing an index // into `proxiedJSCallArgs` as `funcIndex`. If `emAsmAddr` is non-zero then // `funcIndex` will be ignored. // Additional arguments are passed after the first three are the actual // function arguments. // The serialization buffer contains the number of call params, and then // all the args here. // We also pass 'sync' to C separately, since C needs to look at it. // Allocate a buffer, which will be copied by the C code. return withStackSave(() => { // First passed parameter specifies the number of arguments to the function. // When BigInt support is enabled, we must handle types in a more complex // way, detecting at runtime if a value is a BigInt or not (as we have no // type info here). To do that, add a "prefix" before each value that // indicates if it is a BigInt, which effectively doubles the number of // values we serialize for proxying. TODO: pack this? var serializedNumCallArgs = callArgs.length ; var args = stackAlloc(serializedNumCallArgs * 8); var b = ((args)>>3); for (var i = 0; i < callArgs.length; i++) { var arg = callArgs[i]; HEAPF64[b + i] = arg; } return __emscripten_run_on_main_thread_js(funcIndex, emAsmAddr, serializedNumCallArgs, args, sync); }); }; function _proc_exit(code) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(0, 0, 1, code); EXITSTATUS = code; if (!keepRuntimeAlive()) { PThread.terminateAllThreads(); Module['onExit']?.(code); ABORT = true; } quit_(code, new ExitStatus(code)); } /** @suppress {duplicate } */ /** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => { EXITSTATUS = status; checkUnflushedContent(); if (ENVIRONMENT_IS_PTHREAD) { // implicit exit can never happen on a pthread assert(!implicit); // When running in a pthread we propagate the exit back to the main thread // where it can decide if the whole process should be shut down or not. // The pthread may have decided not to exit its own runtime, for example // because it runs a main loop, but that doesn't affect the main thread. exitOnMainThread(status); throw 'unwind'; } // if exit() was called explicitly, warn the user if the runtime isn't actually being shut down if (keepRuntimeAlive() && !implicit) { var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`; err(msg); } _proc_exit(status); }; var _exit = exitJS; var ptrToString = (ptr) => { assert(typeof ptr === 'number'); // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned. ptr >>>= 0; return '0x' + ptr.toString(16).padStart(8, '0'); }; var handleException = (e) => { // Certain exception types we do not treat as errors since they are used for // internal control flow. // 1. ExitStatus, which is thrown by exit() // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others // that wish to return to JS event loop. if (e instanceof ExitStatus || e == 'unwind') { return EXITSTATUS; } checkStackCookie(); if (e instanceof WebAssembly.RuntimeError) { if (_emscripten_stack_get_current() <= 0) { err('Stack overflow detected. You can try increasing -sSTACK_SIZE (currently set to 65536)'); } } quit_(1, e); }; var PThread = { unusedWorkers:[], runningWorkers:[], tlsInitFunctions:[], pthreads:{ }, nextWorkerID:1, debugInit() { function pthreadLogPrefix() { var t = 0; if (runtimeInitialized && typeof _pthread_self != 'undefined' ) { t = _pthread_self(); } return 'w:' + (Module['workerID'] || 0) + ',t:' + ptrToString(t) + ': '; } // Prefix all err()/dbg() messages with the calling thread ID. var origDbg = dbg; dbg = (...args) => origDbg(pthreadLogPrefix() + args.join(' ')); }, init() { PThread.debugInit(); if (ENVIRONMENT_IS_PTHREAD ) { PThread.initWorker(); } else { PThread.initMainThread(); } }, initMainThread() { // MINIMAL_RUNTIME takes care of calling loadWasmModuleToAllWorkers // in postamble_minimal.js addOnPreRun(() => { addRunDependency('loading-workers') PThread.loadWasmModuleToAllWorkers(() => removeRunDependency('loading-workers')); }); }, initWorker() { // worker.js is not compiled together with us, and must access certain // things. PThread['receiveObjectTransfer'] = PThread.receiveObjectTransfer; PThread['threadInitTLS'] = PThread.threadInitTLS; PThread['setExitStatus'] = PThread.setExitStatus; // The default behaviour for pthreads is always to exit once they return // from their entry point (or call pthread_exit). If we set noExitRuntime // to true here on pthreads they would never complete and attempt to // pthread_join to them would block forever. // pthreads can still choose to set `noExitRuntime` explicitly, or // call emscripten_unwind_to_js_event_loop to extend their lifetime beyond // their main function. See comment in src/worker.js for more. noExitRuntime = false; }, setExitStatus:(status) => EXITSTATUS = status, terminateAllThreads__deps:["$terminateWorker"], terminateAllThreads:() => { assert(!ENVIRONMENT_IS_PTHREAD, 'Internal Error! terminateAllThreads() can only ever be called from main application thread!'); // Attempt to kill all workers. Sadly (at least on the web) there is no // way to terminate a worker synchronously, or to be notified when a // worker in actually terminated. This means there is some risk that // pthreads will continue to be executing after `worker.terminate` has // returned. For this reason, we don't call `returnWorkerToPool` here or // free the underlying pthread data structures. for (var worker of PThread.runningWorkers) { terminateWorker(worker); } for (var worker of PThread.unusedWorkers) { terminateWorker(worker); } PThread.unusedWorkers = []; PThread.runningWorkers = []; PThread.pthreads = []; }, returnWorkerToPool:(worker) => { // We don't want to run main thread queued calls here, since we are doing // some operations that leave the worker queue in an invalid state until // we are completely done (it would be bad if free() ends up calling a // queued pthread_create which looks at the global data structures we are // modifying). To achieve that, defer the free() til the very end, when // we are all done. var pthread_ptr = worker.pthread_ptr; delete PThread.pthreads[pthread_ptr]; // Note: worker is intentionally not terminated so the pool can // dynamically grow. PThread.unusedWorkers.push(worker); PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker), 1); // Not a running Worker anymore // Detach the worker from the pthread object, and return it to the // worker pool as an unused worker. worker.pthread_ptr = 0; // Finally, free the underlying (and now-unused) pthread structure in // linear memory. __emscripten_thread_free_data(pthread_ptr); }, receiveObjectTransfer(data) { }, threadInitTLS() { // Call thread init functions (these are the _emscripten_tls_init for each // module loaded. PThread.tlsInitFunctions.forEach((f) => f()); }, loadWasmModuleToWorker:(worker) => new Promise((onFinishedLoading) => { worker.onmessage = (e) => { var d = e['data']; var cmd = d['cmd']; // If this message is intended to a recipient that is not the main // thread, forward it to the target thread. if (d['targetThread'] && d['targetThread'] != _pthread_self()) { var targetWorker = PThread.pthreads[d['targetThread']]; if (targetWorker) { targetWorker.postMessage(d, d['transferList']); } else { err(`Internal error! Worker sent a message "${cmd}" to target pthread ${d['targetThread']}, but that thread no longer exists!`); } return; } if (cmd === 'checkMailbox') { checkMailbox(); } else if (cmd === 'spawnThread') { spawnThread(d); } else if (cmd === 'cleanupThread') { cleanupThread(d['thread']); } else if (cmd === 'killThread') { killThread(d['thread']); } else if (cmd === 'cancelThread') { cancelThread(d['thread']); } else if (cmd === 'loaded') { worker.loaded = true; onFinishedLoading(worker); } else if (cmd === 'alert') { alert(`Thread ${d['threadId']}: ${d['text']}`); } else if (d.target === 'setimmediate') { // Worker wants to postMessage() to itself to implement setImmediate() // emulation. worker.postMessage(d); } else if (cmd === 'callHandler') { Module[d['handler']](...d['args']); } else if (cmd) { // The received message looks like something that should be handled by this message // handler, (since there is a e.data.cmd field present), but is not one of the // recognized commands: err(`worker sent an unknown command ${cmd}`); } }; worker.onerror = (e) => { var message = 'worker sent an error!'; if (worker.pthread_ptr) { message = `Pthread ${ptrToString(worker.pthread_ptr)} sent an error!`; } err(`${message} ${e.filename}:${e.lineno}: ${e.message}`); throw e; }; if (ENVIRONMENT_IS_NODE) { worker.on('message', (data) => worker.onmessage({ data: data })); worker.on('error', (e) => worker.onerror(e)); } assert(wasmMemory instanceof WebAssembly.Memory, 'WebAssembly memory should have been loaded by now!'); assert(wasmModule instanceof WebAssembly.Module, 'WebAssembly Module should have been loaded by now!'); // When running on a pthread, none of the incoming parameters on the module // object are present. Proxy known handlers back to the main thread if specified. var handlers = []; var knownHandlers = [ 'onExit', 'onAbort', 'print', 'printErr', ]; for (var handler of knownHandlers) { if (Module.hasOwnProperty(handler)) { handlers.push(handler); } } worker.workerID = PThread.nextWorkerID++; // Ask the new worker to load up the Emscripten-compiled page. This is a heavy operation. worker.postMessage({ 'cmd': 'load', 'handlers': handlers, // If the application main .js file was loaded from a Blob, then it is not possible // to access the URL of the current script that could be passed to a Web Worker so that // it could load up the same file. In that case, developer must either deliver the Blob // object in Module['mainScriptUrlOrBlob'], or a URL to it, so that pthread Workers can // independently load up the same main application file. 'urlOrBlob': Module['mainScriptUrlOrBlob'] || _scriptDir , 'wasmMemory': wasmMemory, 'wasmModule': wasmModule, 'workerID': worker.workerID, }); }), loadWasmModuleToAllWorkers(onMaybeReady) { onMaybeReady(); }, allocateUnusedWorker() { var worker; // Allow HTML module to configure the location where the 'worker.js' file will be loaded from, // via Module.locateFile() function. If not specified, then the default URL 'worker.js' relative // to the main html file is loaded. var pthreadMainJs = locateFile('convex_hull.worker.js'); worker = new Worker(pthreadMainJs); PThread.unusedWorkers.push(worker); }, getNewWorker() { if (PThread.unusedWorkers.length == 0) { // PTHREAD_POOL_SIZE_STRICT should show a warning and, if set to level `2`, return from the function. // However, if we're in Node.js, then we can create new workers on the fly and PTHREAD_POOL_SIZE_STRICT // should be ignored altogether. if (!ENVIRONMENT_IS_NODE) { err('Tried to spawn a new thread, but the thread pool is exhausted.\n' + 'This might result in a deadlock unless some threads eventually exit or the code explicitly breaks out to the event loop.\n' + 'If you want to increase the pool size, use setting `-sPTHREAD_POOL_SIZE=...`.' + '\nIf you want to throw an explicit error instead of the risk of deadlocking in those cases, use setting `-sPTHREAD_POOL_SIZE_STRICT=2`.' ); } PThread.allocateUnusedWorker(); PThread.loadWasmModuleToWorker(PThread.unusedWorkers[0]); } return PThread.unusedWorkers.pop(); }, }; Module['PThread'] = PThread; var callRuntimeCallbacks = (callbacks) => { while (callbacks.length > 0) { // Pass the module as the first argument. callbacks.shift()(Module); } }; var establishStackSpace = () => { var pthread_ptr = _pthread_self(); var stackHigh = HEAPU32[(((pthread_ptr)+(52))>>2)]; var stackSize = HEAPU32[(((pthread_ptr)+(56))>>2)]; var stackLow = stackHigh - stackSize; assert(stackHigh != 0); assert(stackLow != 0); assert(stackHigh > stackLow, 'stackHigh must be higher then stackLow'); // Set stack limits used by `emscripten/stack.h` function. These limits are // cached in wasm-side globals to make checks as fast as possible. _emscripten_stack_set_limits(stackHigh, stackLow); // Call inside wasm module to set up the stack frame for this pthread in wasm module scope stackRestore(stackHigh); // Write the stack cookie last, after we have set up the proper bounds and // current position of the stack. writeStackCookie(); }; Module['establishStackSpace'] = establishStackSpace; function exitOnMainThread(returnCode) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(1, 0, 0, returnCode); _exit(returnCode); } /** * @param {number} ptr * @param {string} type */ function getValue(ptr, type = 'i8') { if (type.endsWith('*')) type = '*'; switch (type) { case 'i1': return HEAP8[ptr]; case 'i8': return HEAP8[ptr]; case 'i16': return HEAP16[((ptr)>>1)]; case 'i32': return HEAP32[((ptr)>>2)]; case 'i64': abort('to do getValue(i64) use WASM_BIGINT'); case 'float': return HEAPF32[((ptr)>>2)]; case 'double': return HEAPF64[((ptr)>>3)]; case '*': return HEAPU32[((ptr)>>2)]; default: abort(`invalid type for getValue: ${type}`); } } Module['getValue'] = getValue; var wasmTableMirror = []; var wasmTable; var 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; }; var invokeEntryPoint = (ptr, arg) => { // pthread entry points are always of signature 'void *ThreadMain(void *arg)' // Native codebases sometimes spawn threads with other thread entry point // signatures, such as void ThreadMain(void *arg), void *ThreadMain(), or // void ThreadMain(). That is not acceptable per C/C++ specification, but // x86 compiler ABI extensions enable that to work. If you find the // following line to crash, either change the signature to "proper" void // *ThreadMain(void *arg) form, or try linking with the Emscripten linker // flag -sEMULATE_FUNCTION_POINTER_CASTS to add in emulation for this x86 // ABI extension. var result = getWasmTableEntry(ptr)(arg); checkStackCookie(); function finish(result) { if (keepRuntimeAlive()) { PThread.setExitStatus(result); } else { __emscripten_thread_exit(result); } } finish(result); }; Module['invokeEntryPoint'] = invokeEntryPoint; var noExitRuntime = Module['noExitRuntime'] || true; var registerTLSInit = (tlsInitFunc) => PThread.tlsInitFunctions.push(tlsInitFunc); /** * @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] = value; break; case 'i8': HEAP8[ptr] = value; break; case 'i16': HEAP16[((ptr)>>1)] = value; break; case 'i32': HEAP32[((ptr)>>2)] = value; break; case 'i64': abort('to do setValue(i64) use WASM_BIGINT'); 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}`); } } Module['setValue'] = setValue; var warnOnce = (text) => { warnOnce.shown ||= {}; if (!warnOnce.shown[text]) { warnOnce.shown[text] = 1; if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text; err(text); } }; var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; /** * Given a pointer 'idx' 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} */ var 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.buffer instanceof SharedArrayBuffer ? heapOrArray.slice(idx, endPtr) : 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 ' + ptrToString(u0) + ' 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. * * @param {number} ptr * @param {number=} 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 * @return {string} */ var UTF8ToString = (ptr, maxBytesToRead) => { assert(typeof ptr == 'number', `UTF8ToString expects a number (got ${typeof ptr})`); return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; }; var ___assert_fail = (condition, filename, line, func) => { abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']); }; var ___emscripten_init_main_thread_js = (tb) => { // Pass the thread address to the native code where they stored in wasm // globals which act as a form of TLS. Global constructors trying // to access this value will read the wrong value, but that is UB anyway. __emscripten_thread_init( tb, /*is_main=*/!ENVIRONMENT_IS_WORKER, /*is_runtime=*/1, /*can_block=*/!ENVIRONMENT_IS_WEB, /*default_stacksize=*/65536, /*start_profiling=*/false, ); PThread.threadInitTLS(); }; var ___emscripten_thread_cleanup = (thread) => { // Called when a thread needs to be cleaned up so it can be reused. // A thread is considered reusable when it either returns from its // entry point, calls pthread_exit, or acts upon a cancellation. // Detached threads are responsible for calling this themselves, // otherwise pthread_join is responsible for calling this. if (!ENVIRONMENT_IS_PTHREAD) cleanupThread(thread); else postMessage({ 'cmd': 'cleanupThread', 'thread': thread }); }; var nowIsMonotonic = 1; var __emscripten_get_now_is_monotonic = () => nowIsMonotonic; var maybeExit = () => { if (!keepRuntimeAlive()) { try { if (ENVIRONMENT_IS_PTHREAD) __emscripten_thread_exit(EXITSTATUS); else _exit(EXITSTATUS); } catch (e) { handleException(e); } } }; var callUserCallback = (func) => { if (ABORT) { err('user callback triggered after runtime exited or application aborted. Ignoring.'); return; } try { func(); maybeExit(); } catch (e) { handleException(e); } }; var __emscripten_thread_mailbox_await = (pthread_ptr) => { if (typeof Atomics.waitAsync === 'function') { // Wait on the pthread's initial self-pointer field because it is easy and // safe to access from sending threads that need to notify the waiting // thread. // TODO: How to make this work with wasm64? var wait = Atomics.waitAsync(HEAP32, ((pthread_ptr)>>2), pthread_ptr); assert(wait.async); wait.value.then(checkMailbox); var waitingAsync = pthread_ptr + 128; Atomics.store(HEAP32, ((waitingAsync)>>2), 1); } // If `Atomics.waitAsync` is not implemented, then we will always fall back // to postMessage and there is no need to do anything here. }; Module['__emscripten_thread_mailbox_await'] = __emscripten_thread_mailbox_await; var checkMailbox = () => { // Only check the mailbox if we have a live pthread runtime. We implement // pthread_self to return 0 if there is no live runtime. var pthread_ptr = _pthread_self(); if (pthread_ptr) { // If we are using Atomics.waitAsync as our notification mechanism, wait // for a notification before processing the mailbox to avoid missing any // work that could otherwise arrive after we've finished processing the // mailbox and before we're ready for the next notification. __emscripten_thread_mailbox_await(pthread_ptr); callUserCallback(__emscripten_check_mailbox); } }; Module['checkMailbox'] = checkMailbox; var __emscripten_notify_mailbox_postmessage = (targetThreadId, currThreadId, mainThreadId) => { if (targetThreadId == currThreadId) { setTimeout(checkMailbox); } else if (ENVIRONMENT_IS_PTHREAD) { postMessage({'targetThread' : targetThreadId, 'cmd' : 'checkMailbox'}); } else { var worker = PThread.pthreads[targetThreadId]; if (!worker) { err(`Cannot send message to thread with ID ${targetThreadId}, unknown thread ID!`); return; } worker.postMessage({'cmd' : 'checkMailbox'}); } }; var proxiedJSCallArgs = []; var __emscripten_receive_on_main_thread_js = (funcIndex, emAsmAddr, callingThread, numCallArgs, args) => { // Sometimes we need to backproxy events to the calling thread (e.g. // HTML5 DOM events handlers such as // emscripten_set_mousemove_callback()), so keep track in a globally // accessible variable about the thread that initiated the proxying. proxiedJSCallArgs.length = numCallArgs; var b = ((args)>>3); for (var i = 0; i < numCallArgs; i++) { proxiedJSCallArgs[i] = HEAPF64[b + i]; } // Proxied JS library funcs use funcIndex and EM_ASM functions use emAsmAddr assert(!emAsmAddr); var func = proxiedFunctionTable[funcIndex]; assert(!(funcIndex && emAsmAddr)); assert(func.length == numCallArgs, 'Call args mismatch in _emscripten_receive_on_main_thread_js'); PThread.currentProxiedOperationCallerThread = callingThread; var rtn = func(...proxiedJSCallArgs); PThread.currentProxiedOperationCallerThread = 0; // Proxied functions can return any type except bigint. All other types // cooerce to f64/double (the return type of this function in C) but not // bigint. assert(typeof rtn != "bigint"); return rtn; }; var __emscripten_thread_set_strongref = (thread) => { // Called when a thread needs to be strongly referenced. // Currently only used for: // - keeping the "main" thread alive in PROXY_TO_PTHREAD mode; // - crashed threads that needs to propagate the uncaught exception // back to the main thread. if (ENVIRONMENT_IS_NODE) { PThread.pthreads[thread].ref(); } }; var _emscripten_check_blocking_allowed = () => { if (ENVIRONMENT_IS_NODE) return; if (ENVIRONMENT_IS_WORKER) return; // Blocking in a worker/pthread is fine. warnOnce('Blocking on the main thread is very dangerous, see https://emscripten.org/docs/porting/pthreads.html#blocking-on-the-main-browser-thread'); }; var _emscripten_date_now = () => Date.now(); var runtimeKeepalivePush = () => { runtimeKeepaliveCounter += 1; }; var _emscripten_exit_with_live_runtime = () => { runtimeKeepalivePush(); throw 'unwind'; }; var _emscripten_get_now; // Pthreads need their clocks synchronized to the execution of the main // thread, so, when using them, make sure to adjust all timings to the // respective time origins. _emscripten_get_now = () => performance.timeOrigin + performance.now(); ; var getHeapMax = () => HEAPU8.length; var 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`); }; var _emscripten_resize_heap = (requestedSize) => { var oldSize = HEAPU8.length; // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned. requestedSize >>>= 0; abortOnCannotGrowMemory(requestedSize); }; var printCharBuffers = [null,[],[]]; var printChar = (stream, curr) => { var buffer = printCharBuffers[stream]; assert(buffer); if (curr === 0 || curr === 10) { (stream === 1 ? out : err)(UTF8ArrayToString(buffer, 0)); buffer.length = 0; } else { buffer.push(curr); } }; var flush_NO_FILESYSTEM = () => { // flush anything remaining in the buffers during shutdown _fflush(0); if (printCharBuffers[1].length) printChar(1, 10); if (printCharBuffers[2].length) printChar(2, 10); }; var SYSCALLS = { varargs:undefined, get() { assert(SYSCALLS.varargs != undefined); // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number. var ret = HEAP32[((+SYSCALLS.varargs)>>2)]; SYSCALLS.varargs += 4; return ret; }, getp() { return SYSCALLS.get() }, getStr(ptr) { var ret = UTF8ToString(ptr); return ret; }, }; function _fd_write(fd, iov, iovcnt, pnum) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(2, 0, 1, fd, iov, iovcnt, pnum); // hack to support printf in SYSCALLS_REQUIRE_FILESYSTEM=0 var num = 0; for (var i = 0; i < iovcnt; i++) { var ptr = HEAPU32[((iov)>>2)]; var len = HEAPU32[(((iov)+(4))>>2)]; iov += 8; for (var j = 0; j < len; j++) { printChar(fd, HEAPU8[ptr+j]); } num += len; } HEAPU32[((pnum)>>2)] = num; return 0; } var getCFunc = (ident) => { var func = Module['_' + ident]; // closure exported function assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); return func; }; var writeArrayToMemory = (array, buffer) => { assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)') HEAP8.set(array, buffer); }; var 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; }; var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => { assert(typeof str === 'string', `stringToUTF8Array expects a string (got ${typeof str})`); // Parameter maxBytesToWrite is not optional. Negative values, 0, null, // undefined and false each don't write out any bytes. if (!(maxBytesToWrite > 0)) 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 ' + ptrToString(u) + ' 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; }; var 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); }; var stringToUTF8OnStack = (str) => { var size = lengthBytesUTF8(str) + 1; var ret = stackAlloc(size); stringToUTF8(str, ret, size); return ret; }; /** * @param {string|null=} returnType * @param {Array=} argTypes * @param {Arguments|Array=} args * @param {Object=} opts */ var ccall = (ident, returnType, argTypes, args, opts) => { // For fast lookup of conversion functions var toC = { 'string': (str) => { var ret = 0; if (str !== null && str !== undefined && str !== 0) { // null string // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0' ret = stringToUTF8OnStack(str); } return ret; }, 'array': (arr) => { var ret = stackAlloc(arr.length); writeArrayToMemory(arr, ret); return ret; } }; function convertReturnValue(ret) { if (returnType === 'string') { return UTF8ToString(ret); } if (returnType === 'boolean') return Boolean(ret); return ret; } var func = getCFunc(ident); var cArgs = []; var stack = 0; assert(returnType !== 'array', 'Return type should not be "array".'); if (args) { for (var i = 0; i < args.length; i++) { var converter = toC[argTypes[i]]; if (converter) { if (stack === 0) stack = stackSave(); cArgs[i] = converter(args[i]); } else { cArgs[i] = args[i]; } } } var ret = func(...cArgs); function onDone(ret) { if (stack !== 0) stackRestore(stack); return convertReturnValue(ret); } ret = onDone(ret); return ret; }; /** * @param {string=} returnType * @param {Array=} argTypes * @param {Object=} opts */ var cwrap = (ident, returnType, argTypes, opts) => { return (...args) => ccall(ident, returnType, argTypes, args, opts); }; PThread.init();; // proxiedFunctionTable specifies the list of functions that can be called // either synchronously or asynchronously from other threads in postMessage()d // or internally queued events. This way a pthread in a Worker can synchronously // access e.g. the DOM on the main thread. var proxiedFunctionTable = [ _proc_exit, exitOnMainThread, _fd_write ]; function checkIncomingModuleAPI() { ignoredModuleProp('fetchSettings'); } var wasmImports = { /** @export */ __assert_fail: ___assert_fail, /** @export */ __emscripten_init_main_thread_js: ___emscripten_init_main_thread_js, /** @export */ __emscripten_thread_cleanup: ___emscripten_thread_cleanup, /** @export */ _emscripten_get_now_is_monotonic: __emscripten_get_now_is_monotonic, /** @export */ _emscripten_notify_mailbox_postmessage: __emscripten_notify_mailbox_postmessage, /** @export */ _emscripten_receive_on_main_thread_js: __emscripten_receive_on_main_thread_js, /** @export */ _emscripten_thread_mailbox_await: __emscripten_thread_mailbox_await, /** @export */ _emscripten_thread_set_strongref: __emscripten_thread_set_strongref, /** @export */ emscripten_check_blocking_allowed: _emscripten_check_blocking_allowed, /** @export */ emscripten_date_now: _emscripten_date_now, /** @export */ emscripten_exit_with_live_runtime: _emscripten_exit_with_live_runtime, /** @export */ emscripten_get_now: _emscripten_get_now, /** @export */ emscripten_resize_heap: _emscripten_resize_heap, /** @export */ exit: _exit, /** @export */ fd_write: _fd_write, /** @export */ memory: wasmMemory }; var wasmExports = createWasm(); var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors'); var _convexHull = Module['_convexHull'] = createExportWrapper('convexHull'); var __emscripten_tls_init = Module['__emscripten_tls_init'] = createExportWrapper('_emscripten_tls_init'); var _pthread_self = Module['_pthread_self'] = () => (_pthread_self = Module['_pthread_self'] = wasmExports['pthread_self'])(); var __emscripten_thread_init = Module['__emscripten_thread_init'] = createExportWrapper('_emscripten_thread_init'); var __emscripten_thread_crashed = Module['__emscripten_thread_crashed'] = createExportWrapper('_emscripten_thread_crashed'); var _fflush = createExportWrapper('fflush'); var _emscripten_main_runtime_thread_id = createExportWrapper('emscripten_main_runtime_thread_id'); var _emscripten_main_thread_process_queued_calls = createExportWrapper('emscripten_main_thread_process_queued_calls'); var __emscripten_run_on_main_thread_js = createExportWrapper('_emscripten_run_on_main_thread_js'); var __emscripten_thread_free_data = createExportWrapper('_emscripten_thread_free_data'); var __emscripten_thread_exit = Module['__emscripten_thread_exit'] = createExportWrapper('_emscripten_thread_exit'); var __emscripten_check_mailbox = createExportWrapper('_emscripten_check_mailbox'); var _malloc = Module['_malloc'] = createExportWrapper('malloc'); var _free = Module['_free'] = createExportWrapper('free'); var _emscripten_stack_get_base = () => (_emscripten_stack_get_base = wasmExports['emscripten_stack_get_base'])(); var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports['emscripten_stack_get_end'])(); var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports['emscripten_stack_init'])(); var _emscripten_stack_set_limits = (a0, a1) => (_emscripten_stack_set_limits = wasmExports['emscripten_stack_set_limits'])(a0, a1); var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports['emscripten_stack_get_free'])(); var stackSave = createExportWrapper('stackSave'); var stackRestore = createExportWrapper('stackRestore'); var stackAlloc = createExportWrapper('stackAlloc'); var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])(); var dynCall_jiji = Module['dynCall_jiji'] = createExportWrapper('dynCall_jiji'); // include: postamble.js // === Auto-generated postamble setup entry stuff === Module['wasmMemory'] = wasmMemory; Module['keepRuntimeAlive'] = keepRuntimeAlive; Module['ccall'] = ccall; Module['cwrap'] = cwrap; Module['ExitStatus'] = ExitStatus; var missingLibrarySymbols = [ 'writeI53ToI64', 'writeI53ToI64Clamped', 'writeI53ToI64Signaling', 'writeI53ToU64Clamped', 'writeI53ToU64Signaling', 'readI53FromI64', 'readI53FromU64', 'convertI32PairToI53', 'convertU32PairToI53', 'growMemory', 'isLeapYear', 'ydayFromDate', 'arraySum', 'addDays', 'inetPton4', 'inetNtop4', 'inetPton6', 'inetNtop6', 'readSockaddr', 'writeSockaddr', 'initRandomFill', 'randomFill', 'getCallstack', 'emscriptenLog', 'convertPCtoSourceLocation', 'readEmAsmArgs', 'jstoi_q', 'getExecutableName', 'listenOnce', 'autoResumeAudioContext', 'dynCallLegacy', 'getDynCaller', 'dynCall', 'runtimeKeepalivePop', 'asmjsMangle', 'asyncLoad', 'alignMemory', 'mmapAlloc', 'HandleAllocator', 'getNativeTypeSize', 'STACK_SIZE', 'STACK_ALIGN', 'POINTER_SIZE', 'ASSERTIONS', 'uleb128Encode', 'sigToWasmTypes', 'generateFuncType', 'convertJsFunctionToWasm', 'getEmptyTableSlot', 'updateTableMap', 'getFunctionAddress', 'addFunction', 'removeFunction', 'reallyNegative', 'unSign', 'strLen', 'reSign', 'formatString', 'intArrayFromString', 'intArrayToString', 'AsciiToString', 'stringToAscii', 'UTF16ToString', 'stringToUTF16', 'lengthBytesUTF16', 'UTF32ToString', 'stringToUTF32', 'lengthBytesUTF32', 'stringToNewUTF8', 'registerKeyEventCallback', 'maybeCStringToJsString', 'findEventTarget', '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', 'setCanvasElementSizeCallingThread', 'setCanvasElementSizeMainThread', 'setCanvasElementSize', 'getCanvasSizeCallingThread', 'getCanvasSizeMainThread', 'getCanvasElementSize', 'jsStackTrace', 'stackTrace', 'getEnvStrings', 'checkWasiClock', 'wasiRightsToMuslOFlags', 'wasiOFlagsToMuslOFlags', 'createDyncallWrapper', 'safeSetTimeout', 'setImmediateWrapped', 'clearImmediateWrapped', 'polyfillSetImmediate', 'getPromise', 'makePromise', 'idsToPromises', 'makePromiseCallback', 'ExceptionInfo', 'findMatchingCatch', 'Browser_asyncPrepareDataCounter', 'setMainLoop', 'getSocketFromFD', 'getSocketAddress', 'FS_createPreloadedFile', 'FS_modeStringToFlags', 'FS_getMode', 'FS_stdin_getChar', 'FS_createDataFile', 'FS_unlink', 'FS_mkdirTree', '_setNetworkCallback', 'heapObjectForWebGLType', 'toTypedArrayIndex', 'webgl_enable_ANGLE_instanced_arrays', 'webgl_enable_OES_vertex_array_object', 'webgl_enable_WEBGL_draw_buffers', 'webgl_enable_WEBGL_multi_draw', 'emscriptenWebGLGet', 'computeUnpackAlignedImageSize', 'colorChannelsInGlTextureFormat', 'emscriptenWebGLGetTexPixelData', 'emscriptenWebGLGetUniform', 'webglGetUniformLocation', 'webglPrepareUniformLocationsBeforeFirstUse', 'webglGetLeftBracePos', 'emscriptenWebGLGetVertexAttrib', '__glGetActiveAttribOrUniform', 'writeGLArray', 'emscripten_webgl_destroy_context_before_on_calling_thread', 'registerWebGlEventCallback', 'runAndAbortIfError', 'ALLOC_NORMAL', 'ALLOC_STACK', 'allocate', 'writeStringToMemory', 'writeAsciiToMemory', 'setErrNo', 'demangle', ]; missingLibrarySymbols.forEach(missingLibrarySymbol) var unexportedSymbols = [ 'run', 'addOnPreRun', 'addOnInit', 'addOnPreMain', 'addOnExit', 'addOnPostRun', 'addRunDependency', 'removeRunDependency', 'FS_createFolder', 'FS_createPath', 'FS_createLazyFile', 'FS_createLink', 'FS_createDevice', 'FS_readFile', 'out', 'err', 'callMain', 'abort', 'wasmExports', 'stackAlloc', 'stackSave', 'stackRestore', 'getTempRet0', 'setTempRet0', 'writeStackCookie', 'checkStackCookie', 'convertI32PairToI53Checked', 'ptrToString', 'zeroMemory', 'exitJS', 'getHeapMax', 'abortOnCannotGrowMemory', 'ENV', 'MONTH_DAYS_REGULAR', 'MONTH_DAYS_LEAP', 'MONTH_DAYS_REGULAR_CUMULATIVE', 'MONTH_DAYS_LEAP_CUMULATIVE', 'ERRNO_CODES', 'ERRNO_MESSAGES', 'DNS', 'Protocols', 'Sockets', 'timers', 'warnOnce', 'UNWIND_CACHE', 'readEmAsmArgsArray', 'jstoi_s', 'handleException', 'runtimeKeepalivePush', 'callUserCallback', 'maybeExit', 'wasmTable', 'noExitRuntime', 'getCFunc', 'freeTableIndexes', 'functionsInTableMap', 'setValue', 'getValue', 'PATH', 'PATH_FS', 'UTF8Decoder', 'UTF8ArrayToString', 'UTF8ToString', 'stringToUTF8Array', 'stringToUTF8', 'lengthBytesUTF8', 'UTF16Decoder', 'stringToUTF8OnStack', 'writeArrayToMemory', 'JSEvents', 'specialHTMLTargets', 'findCanvasEventTarget', 'currentFullscreenStrategy', 'restoreOldWindowedStyle', 'flush_NO_FILESYSTEM', 'promiseMap', 'uncaughtExceptionCount', 'exceptionLast', 'exceptionCaught', 'Browser', 'getPreloadedImageData__data', 'wget', 'SYSCALLS', 'preloadPlugins', 'FS_stdin_getChar_buffer', 'FS', 'MEMFS', 'TTY', 'PIPEFS', 'SOCKFS', 'tempFixedLengthArray', 'miniTempWebGLFloatBuffers', 'miniTempWebGLIntBuffers', 'GL', 'AL', 'GLUT', 'EGL', 'GLEW', 'IDBStore', 'SDL', 'SDL_gfx', 'allocateUTF8', 'allocateUTF8OnStack', 'PThread', 'terminateWorker', 'killThread', 'cleanupThread', 'registerTLSInit', 'cancelThread', 'spawnThread', 'exitOnMainThread', 'proxyToMainThread', 'proxiedJSCallArgs', 'invokeEntryPoint', 'checkMailbox', ]; unexportedSymbols.forEach(unexportedRuntimeSymbol); 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. // See $establishStackSpace for the equivalent code that runs on a thread assert(!ENVIRONMENT_IS_PTHREAD); _emscripten_stack_init(); // TODO(sbc): Move writeStackCookie to native to to avoid this. writeStackCookie(); } function run() { if (runDependencies > 0) { return; } if (!ENVIRONMENT_IS_PTHREAD) stackCheckInit(); if (ENVIRONMENT_IS_PTHREAD) { initRuntime(); startWorker(Module); return; } 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(); 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 flush_NO_FILESYSTEM(); } 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 Emscripten FAQ), or make sure to emit a newline when you printf etc.'); warnOnce('(this may also be due to not including full filesystem support - try building with -sFORCE_FILESYSTEM)'); } } if (Module['preInit']) { if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; while (Module['preInit'].length > 0) { Module['preInit'].pop()(); } } run(); // end include: postamble.js