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// 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(moduleArg) => Promise<Module>
// 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 : {};
// 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)'); }
if (ENVIRONMENT_IS_NODE) { // `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?
}
// --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; };
// `/` 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 + ')'); }
// 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; };
} 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?)');
} 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?)');
{ // 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'); }
var out = Module['print'] || console.log.bind(console); var err = Module['printErr'] || console.error.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.
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_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;
//========================================
// 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');
// If memory is defined in wasm, the user can't provide it, or set INITIAL_MEMORY
assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally'); assert(!Module['INITIAL_MEMORY'], 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically');
// 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 __ATMAIN__ = []; // functions called when main() is to be run
var __ATEXIT__ = []; // functions called during shutdown
var __ATPOSTRUN__ = []; // functions called after the main() is called
var runtimeInitialized = false;
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();
callRuntimeCallbacks(__ATINIT__); }
function preMain() { checkStackCookie(); callRuntimeCallbacks(__ATMAIN__); }
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 addOnPreMain(cb) { __ATMAIN__.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, nargs) { return (...args) => { assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`); var f = wasmExports[name]; assert(f, `exported native function \`${name}\` not found`); // Only assert for too many arguments. Too few can be valid since the missing arguments will be zero filled.
assert(args.length <= nargs, `native function \`${name}\` called with ${args.length} args but expects ${nargs}`); return f(...args); }; }
// include: runtime_exceptions.js
// end include: runtime_exceptions.js
var wasmBinaryFile; wasmBinaryFile = 'test.wasm'; if (!isDataURI(wasmBinaryFile)) { wasmBinaryFile = locateFile(wasmBinaryFile); }
function getBinarySync(file) { if (file == wasmBinaryFile && wasmBinary) { return new Uint8Array(wasmBinary); } if (readBinary) { return readBinary(file); } throw 'both async and sync fetching of the wasm failed'; }
function getBinaryPromise(binaryFile) { // If we don't have the binary yet, try to load it asynchronously.
// Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
// See https://github.com/github/fetch/pull/92#issuecomment-140665932
// Cordova or Electron apps are typically loaded from a file:// url.
// So use fetch if it is available and the url is not a file, otherwise fall back to XHR.
if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { if (typeof fetch == 'function' && !isFileURI(binaryFile) ) { return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => { if (!response['ok']) { throw `failed to load wasm binary file at '${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<Repsponse> 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); }
function getWasmImports() { // prepare imports
return { 'env': wasmImports, 'wasi_snapshot_preview1': wasmImports, } }
// Create the wasm instance.
// Receives the wasm imports, returns the exports.
function createWasm() { var info = getWasmImports(); // 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;
wasmMemory = wasmExports['memory']; assert(wasmMemory, 'memory not found in wasm exports'); updateMemoryViews();
wasmTable = wasmExports['__indirect_function_table']; assert(wasmTable, 'table not found in wasm exports');
addOnInit(wasmExports['__wasm_call_ctors']);
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; // 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 PTHREADS-enabled path.
receiveInstance(result['instance']); }
// 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) { // 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 callRuntimeCallbacks = (callbacks) => { while (callbacks.length > 0) { // Pass the module as the first argument.
callbacks.shift()(Module); } };
/** * @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}`); } }
var noExitRuntime = Module['noExitRuntime'] || true;
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'); };
/** * @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}`); } }
var stackRestore = (val) => __emscripten_stack_restore(val);
var stackSave = () => _emscripten_stack_get_current();
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.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']); };
class ExceptionInfo { // excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it.
constructor(excPtr) { this.excPtr = excPtr; this.ptr = excPtr - 24; } set_type(type) { HEAPU32[(((this.ptr)+(4))>>2)] = type; } get_type() { return HEAPU32[(((this.ptr)+(4))>>2)]; } set_destructor(destructor) { HEAPU32[(((this.ptr)+(8))>>2)] = destructor; } get_destructor() { return HEAPU32[(((this.ptr)+(8))>>2)]; } set_caught(caught) { caught = caught ? 1 : 0; HEAP8[(this.ptr)+(12)] = caught; } get_caught() { return HEAP8[(this.ptr)+(12)] != 0; } set_rethrown(rethrown) { rethrown = rethrown ? 1 : 0; HEAP8[(this.ptr)+(13)] = rethrown; } get_rethrown() { return HEAP8[(this.ptr)+(13)] != 0; } // Initialize native structure fields. Should be called once after allocated.
init(type, destructor) { this.set_adjusted_ptr(0); this.set_type(type); this.set_destructor(destructor); } set_adjusted_ptr(adjustedPtr) { HEAPU32[(((this.ptr)+(16))>>2)] = adjustedPtr; } get_adjusted_ptr() { 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.
get_exception_ptr() { // 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; } } var exceptionLast = 0; var uncaughtExceptionCount = 0; var ___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++; assert(false, 'Exception thrown, but exception catching is not enabled. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch.'); };
var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => {};
var 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; var readLatin1String = (ptr) => { var ret = ""; var c = ptr; while (HEAPU8[c]) { ret += embind_charCodes[HEAPU8[c++]]; } return ret; }; var awaitingDependencies = { }; var registeredTypes = { }; var typeDependencies = { }; var BindingError; var throwBindingError = (message) => { throw new BindingError(message); }; var InternalError; var throwInternalError = (message) => { throw new InternalError(message); }; var 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 sharedRegisterType(rawType, registeredInstance, options = {}) { 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()); } } /** @param {Object=} options */ function registerType(rawType, registeredInstance, options = {}) { if (!('argPackAdvance' in registeredInstance)) { throw new TypeError('registerType registeredInstance requires argPackAdvance'); } return sharedRegisterType(rawType, registeredInstance, options); } var GenericWireTypeSize = 8; /** @suppress {globalThis} */ var __embind_register_bool = (rawType, name, trueValue, falseValue) => { name = readLatin1String(name); registerType(rawType, { 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': GenericWireTypeSize, 'readValueFromPointer': function(pointer) { return this['fromWireType'](HEAPU8[pointer]); }, destructorFunction: null, // This type does not need a destructor
}); };
var emval_freelist = []; var emval_handles = []; var __emval_decref = (handle) => { if (handle > 9 && 0 === --emval_handles[handle + 1]) { assert(emval_handles[handle] !== undefined, `Decref for unallocated handle.`); emval_handles[handle] = undefined; emval_freelist.push(handle); } }; var count_emval_handles = () => { return emval_handles.length / 2 - 5 - emval_freelist.length; }; var init_emval = () => { // reserve 0 and some special values. These never get de-allocated.
emval_handles.push( 0, 1, undefined, 1, null, 1, true, 1, false, 1, ); assert(emval_handles.length === 5 * 2); Module['count_emval_handles'] = count_emval_handles; }; var Emval = { toValue:(handle) => { if (!handle) { throwBindingError('Cannot use deleted val. handle = ' + handle); } // handle 2 is supposed to be `undefined`.
assert(handle === 2 || emval_handles[handle] !== undefined && handle % 2 === 0, `invalid handle: ${handle}`); return emval_handles[handle]; }, toHandle:(value) => { switch (value) { case undefined: return 2; case null: return 4; case true: return 6; case false: return 8; default:{ const handle = emval_freelist.pop() || emval_handles.length; emval_handles[handle] = value; emval_handles[handle + 1] = 1; return handle; } } }, }; /** @suppress {globalThis} */ function readPointer(pointer) { return this['fromWireType'](HEAPU32[((pointer)>>2)]); } var EmValType = { name: 'emscripten::val', 'fromWireType': (handle) => { var rv = Emval.toValue(handle); __emval_decref(handle); return rv; }, 'toWireType': (destructors, value) => Emval.toHandle(value), 'argPackAdvance': GenericWireTypeSize, 'readValueFromPointer': readPointer, destructorFunction: null, // This type does not need a destructor
// TODO: do we need a deleteObject here? write a test where
// emval is passed into JS via an interface
}; var __embind_register_emval = (rawType) => registerType(rawType, EmValType);
var embindRepr = (v) => { if (v === null) { return 'null'; } var t = typeof v; if (t === 'object' || t === 'array' || t === 'function') { return v.toString(); } else { return '' + v; } }; var floatReadValueFromPointer = (name, width) => { switch (width) { case 4: return function(pointer) { return this['fromWireType'](HEAPF32[((pointer)>>2)]); }; case 8: return function(pointer) { return this['fromWireType'](HEAPF64[((pointer)>>3)]); }; default: throw new TypeError(`invalid float width (${width}): ${name}`); } }; var __embind_register_float = (rawType, name, size) => { name = readLatin1String(name); registerType(rawType, { name, 'fromWireType': (value) => value, 'toWireType': (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': GenericWireTypeSize, 'readValueFromPointer': floatReadValueFromPointer(name, size), destructorFunction: null, // This type does not need a destructor
}); };
var createNamedFunction = (name, body) => Object.defineProperty(body, 'name', { value: name }); var runDestructors = (destructors) => { while (destructors.length) { var ptr = destructors.pop(); var del = destructors.pop(); del(ptr); } }; function usesDestructorStack(argTypes) { // Skip return value at index 0 - it's not deleted here.
for (var i = 1; i < argTypes.length; ++i) { // The type does not define a destructor function - must use dynamic stack
if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) { return true; } } return false; } function newFunc(constructor, argumentList) { if (!(constructor instanceof Function)) { throw new TypeError(`new_ called with constructor type ${typeof(constructor)} which is not a function`); } /* * Previously, the following line was just: * function dummy() {}; * Unfortunately, Chrome was preserving 'dummy' as the object's name, even * though at creation, the 'dummy' has the correct constructor name. Thus, * objects created with IMVU.new would show up in the debugger as 'dummy', * which isn't very helpful. Using IMVU.createNamedFunction addresses the * issue. Doubly-unfortunately, there's no way to write a test for this * behavior. -NRD 2013.02.22 */ var dummy = createNamedFunction(constructor.name || 'unknownFunctionName', function(){}); dummy.prototype = constructor.prototype; var obj = new dummy; var r = constructor.apply(obj, argumentList); return (r instanceof Object) ? r : obj; } function createJsInvoker(argTypes, isClassMethodFunc, returns, isAsync) { var needsDestructorStack = usesDestructorStack(argTypes); var argCount = argTypes.length; var argsList = ""; var argsListWired = ""; for (var i = 0; i < argCount - 2; ++i) { argsList += (i!==0?", ":"")+"arg"+i; argsListWired += (i!==0?", ":"")+"arg"+i+"Wired"; } var invokerFnBody = `
return function (${argsList}) { if (arguments.length !== ${argCount - 2}) { throwBindingError('function ' + humanName + ' called with ' + arguments.length + ' arguments, expected ${argCount - 2}'); }`;
if (needsDestructorStack) { invokerFnBody += "var destructors = [];\n"; } var dtorStack = needsDestructorStack ? "destructors" : "null"; var args1 = ["humanName", "throwBindingError", "invoker", "fn", "runDestructors", "retType", "classParam"]; if (isClassMethodFunc) { invokerFnBody += "var thisWired = classParam['toWireType']("+dtorStack+", this);\n"; } for (var i = 0; i < argCount - 2; ++i) { invokerFnBody += "var arg"+i+"Wired = argType"+i+"['toWireType']("+dtorStack+", arg"+i+");\n"; args1.push("argType"+i); } if (isClassMethodFunc) { argsListWired = "thisWired" + (argsListWired.length > 0 ? ", " : "") + argsListWired; } invokerFnBody += (returns || isAsync ? "var rv = ":"") + "invoker(fn"+(argsListWired.length>0?", ":"")+argsListWired+");\n"; var returnVal = returns ? "rv" : ""; if (needsDestructorStack) { invokerFnBody += "runDestructors(destructors);\n"; } else { for (var i = isClassMethodFunc?1:2; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here. Also skip class type if not a method.
var paramName = (i === 1 ? "thisWired" : ("arg"+(i - 2)+"Wired")); if (argTypes[i].destructorFunction !== null) { invokerFnBody += `${paramName}_dtor(${paramName});\n`; args1.push(`${paramName}_dtor`); } } } if (returns) { invokerFnBody += "var ret = retType['fromWireType'](rv);\n" + "return ret;\n"; } else { } invokerFnBody += "}\n"; invokerFnBody = `if (arguments.length !== ${args1.length}){ throw new Error(humanName + "Expected ${args1.length} closure arguments " + arguments.length + " given."); }\n${invokerFnBody}`; return [args1, invokerFnBody]; } function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc, /** boolean= */ isAsync) { // 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.
// isAsync: Optional. If true, returns an async function. Async bindings are only supported with JSPI.
var argCount = argTypes.length; if (argCount < 2) { throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!"); } assert(!isAsync, 'Async bindings are only supported with JSPI.'); 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 = usesDestructorStack(argTypes); var returns = (argTypes[0].name !== "void"); // Builld the arguments that will be passed into the closure around the invoker
// function.
var closureArgs = [humanName, throwBindingError, cppInvokerFunc, cppTargetFunc, runDestructors, argTypes[0], argTypes[1]]; for (var i = 0; i < argCount - 2; ++i) { closureArgs.push(argTypes[i+2]); } if (!needsDestructorStack) { 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.
if (argTypes[i].destructorFunction !== null) { closureArgs.push(argTypes[i].destructorFunction); } } } let [args, invokerFnBody] = createJsInvoker(argTypes, isClassMethodFunc, returns, isAsync); args.push(invokerFnBody); var invokerFn = newFunc(Function, args)(...closureArgs); return createNamedFunction(humanName, invokerFn); } var 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(...args) { // TODO This check can be removed in -O3 level "unsafe" optimizations.
if (!proto[methodName].overloadTable.hasOwnProperty(args.length)) { throwBindingError(`Function '${humanName}' called with an invalid number of arguments (${args.length}) - expects one of (${proto[methodName].overloadTable})!`); } return proto[methodName].overloadTable[args.length].apply(this, args); }; // Move the previous function into the overload table.
proto[methodName].overloadTable = []; proto[methodName].overloadTable[prevFunc.argCount] = prevFunc; } }; /** @param {number=} numArguments */ var exposePublicSymbol = (name, value, numArguments) => { if (Module.hasOwnProperty(name)) { if (undefined === numArguments || (undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments])) { throwBindingError(`Cannot register public name '${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 (${numArguments})!`); } // Add the new function into the overload table.
Module[name].overloadTable[numArguments] = value; } else { Module[name] = value; if (undefined !== numArguments) { Module[name].numArguments = numArguments; } } }; var heap32VectorToArray = (count, firstElement) => { var array = []; for (var i = 0; i < count; i++) { // TODO(https://github.com/emscripten-core/emscripten/issues/17310):
// Find a way to hoist the `>> 2` or `>> 3` out of this loop.
array.push(HEAPU32[(((firstElement)+(i * 4))>>2)]); } return array; }; /** @param {number=} numArguments */ var replacePublicSymbol = (name, value, numArguments) => { if (!Module.hasOwnProperty(name)) { throwInternalError('Replacing nonexistent public symbol'); } // If there's an overload table for this symbol, replace the symbol in the overload table instead.
if (undefined !== Module[name].overloadTable && undefined !== numArguments) { Module[name].overloadTable[numArguments] = value; } else { Module[name] = value; Module[name].argCount = numArguments; } }; var dynCallLegacy = (sig, ptr, args) => { sig = sig.replace(/p/g, 'i') assert(('dynCall_' + sig) in Module, `bad function pointer type - dynCall function not found for sig '${sig}'`); if (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 f(ptr, ...args); }; 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 dynCall = (sig, ptr, args = []) => { // Without WASM_BIGINT support we cannot directly call function with i64 as
// part of their signature, so we rely on 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)(...args); return rtn; }; var getDynCaller = (sig, ptr) => { assert(sig.includes('j') || sig.includes('p'), 'getDynCaller should only be called with i64 sigs') return (...args) => dynCall(sig, ptr, args); }; var 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}: ${rawFunction}`); } return fp; }; var extendError = (baseErrorType, errorName) => { var errorClass = createNamedFunction(errorName, function(message) { this.name = errorName; this.message = message; var stack = (new Error(message)).stack; if (stack !== undefined) { this.stack = this.toString() + '\n' + stack.replace(/^Error(:[^\n]*)?\n/, ''); } }); errorClass.prototype = Object.create(baseErrorType.prototype); errorClass.prototype.constructor = errorClass; errorClass.prototype.toString = function() { if (this.message === undefined) { return this.name; } else { return `${this.name}: ${this.message}`; } }; return errorClass; }; var UnboundTypeError; var getTypeName = (type) => { var ptr = ___getTypeName(type); var rv = readLatin1String(ptr); _free(ptr); return rv; }; var throwUnboundTypeError = (message, types) => { var unboundTypes = []; var seen = {}; function visit(type) { if (seen[type]) { return; } if (registeredTypes[type]) { return; } if (typeDependencies[type]) { typeDependencies[type].forEach(visit); return; } unboundTypes.push(type); seen[type] = true; } types.forEach(visit); throw new UnboundTypeError(`${message}: ` + unboundTypes.map(getTypeName).join([', '])); }; var getFunctionName = (signature) => { signature = signature.trim(); const argsIndex = signature.indexOf("("); if (argsIndex !== -1) { assert(signature[signature.length - 1] == ")", "Parentheses for argument names should match."); return signature.substr(0, argsIndex); } else { return signature; } }; var __embind_register_function = (name, argCount, rawArgTypesAddr, signature, rawInvoker, fn, isAsync) => { var argTypes = heap32VectorToArray(argCount, rawArgTypesAddr); name = readLatin1String(name); name = getFunctionName(name); rawInvoker = embind__requireFunction(signature, rawInvoker); exposePublicSymbol(name, function() { throwUnboundTypeError(`Cannot call ${name} due to unbound types`, argTypes); }, argCount - 1); whenDependentTypesAreResolved([], argTypes, (argTypes) => { var invokerArgsArray = [argTypes[0] /* return value */, null /* no class 'this'*/].concat(argTypes.slice(1) /* actual params */); replacePublicSymbol(name, craftInvokerFunction(name, invokerArgsArray, null /* no class 'this'*/, rawInvoker, fn, isAsync), argCount - 1); return []; }); };
var integerReadValueFromPointer = (name, width, signed) => { // integers are quite common, so generate very specialized functions
switch (width) { case 1: return signed ? (pointer) => HEAP8[pointer] : (pointer) => HEAPU8[pointer]; case 2: return signed ? (pointer) => HEAP16[((pointer)>>1)] : (pointer) => HEAPU16[((pointer)>>1)] case 4: return signed ? (pointer) => HEAP32[((pointer)>>2)] : (pointer) => HEAPU32[((pointer)>>2)] default: throw new TypeError(`invalid integer width (${width}): ${name}`); } }; /** @suppress {globalThis} */ var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => { name = readLatin1String(name); // LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come
// out as 'i32 -1'. Always treat those as max u32.
if (maxRange === -1) { maxRange = 4294967295; } var fromWireType = (value) => value; if (minRange === 0) { var bitshift = 32 - 8*size; fromWireType = (value) => (value << bitshift) >>> bitshift; } var isUnsignedType = (name.includes('unsigned')); var checkAssertions = (value, toTypeName) => { if (typeof value != "number" && typeof value != "boolean") { throw new TypeError(`Cannot convert "${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, 'fromWireType': fromWireType, 'toWireType': toWireType, 'argPackAdvance': GenericWireTypeSize, 'readValueFromPointer': integerReadValueFromPointer(name, size, minRange !== 0), destructorFunction: null, // This type does not need a destructor
}); };
var __embind_register_memory_view = (rawType, dataTypeIndex, name) => { var typeMapping = [ Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array, ]; var TA = typeMapping[dataTypeIndex]; function decodeMemoryView(handle) { var size = HEAPU32[((handle)>>2)]; var data = HEAPU32[(((handle)+(4))>>2)]; return new TA(HEAP8.buffer, data, size); } name = readLatin1String(name); registerType(rawType, { name, 'fromWireType': decodeMemoryView, 'argPackAdvance': GenericWireTypeSize, 'readValueFromPointer': decodeMemoryView, }, { ignoreDuplicateRegistrations: true, }); };
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 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 __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<unsigned char>
= (name === "std::string"); registerType(rawType, { name, // For some method names we use string keys here since they are part of
// the public/external API and/or used by the runtime-generated code.
'fromWireType'(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'(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 POINTER_SIZE 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': GenericWireTypeSize, 'readValueFromPointer': readPointer, destructorFunction(ptr) { _free(ptr); }, }); };
var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined;; var 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; }; var 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.
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; }; var lengthBytesUTF16 = (str) => { return str.length*2; }; var 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; }; var 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.
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; }; var 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; }; var __embind_register_std_wstring = (rawType, charSize, name) => { name = readLatin1String(name); var decodeString, encodeString, readCharAt, lengthBytesUTF; if (charSize === 2) { decodeString = UTF16ToString; encodeString = stringToUTF16; lengthBytesUTF = lengthBytesUTF16; readCharAt = (pointer) => HEAPU16[((pointer)>>1)]; } else if (charSize === 4) { decodeString = UTF32ToString; encodeString = stringToUTF32; lengthBytesUTF = lengthBytesUTF32; readCharAt = (pointer) => HEAPU32[((pointer)>>2)]; } registerType(rawType, { name, 'fromWireType': (value) => { // Code mostly taken from _embind_register_std_string fromWireType
var length = HEAPU32[((value)>>2)]; 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 || readCharAt(currentBytePtr) == 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': (destructors, value) => { if (!(typeof value == 'string')) { throwBindingError(`Cannot pass non-string to C++ string type ${name}`); } // assumes POINTER_SIZE alignment
var length = lengthBytesUTF(value); var ptr = _malloc(4 + length + charSize); HEAPU32[((ptr)>>2)] = length / charSize; encodeString(value, ptr + 4, length + charSize); if (destructors !== null) { destructors.push(_free, ptr); } return ptr; }, 'argPackAdvance': GenericWireTypeSize, 'readValueFromPointer': readPointer, destructorFunction(ptr) { _free(ptr); } }); };
var __embind_register_void = (rawType, name) => { name = readLatin1String(name); registerType(rawType, { isVoid: true, // void return values can be optimized out sometimes
name, 'argPackAdvance': 0, 'fromWireType': () => undefined, // TODO: assert if anything else is given?
'toWireType': (destructors, o) => undefined, }); };
var __emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
var _abort = () => { abort('native code called abort()'); };
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 SYSCALLS = { varargs:undefined, getStr(ptr) { var ret = UTF8ToString(ptr); return ret; }, }; var _fd_close = (fd) => { abort('fd_close called without SYSCALLS_REQUIRE_FILESYSTEM'); };
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; }; function _fd_seek(fd,offset_low, offset_high,whence,newOffset) { var offset = convertI32PairToI53Checked(offset_low, offset_high); return 70; ; }
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 _fd_write = (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 runtimeKeepaliveCounter = 0; var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0; var _proc_exit = (code) => { EXITSTATUS = code; if (!keepRuntimeAlive()) { Module['onExit']?.(code); ABORT = true; } quit_(code, new ExitStatus(code)); }; /** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => { EXITSTATUS = status; checkUnflushedContent(); // 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 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); }; embind_init_charCodes(); BindingError = Module['BindingError'] = class BindingError extends Error { constructor(message) { super(message); this.name = 'BindingError'; }}; InternalError = Module['InternalError'] = class InternalError extends Error { constructor(message) { super(message); this.name = 'InternalError'; }}; init_emval();; UnboundTypeError = Module['UnboundTypeError'] = extendError(Error, 'UnboundTypeError');; function checkIncomingModuleAPI() { ignoredModuleProp('fetchSettings'); } var wasmImports = { /** @export */ __assert_fail: ___assert_fail, /** @export */ __cxa_throw: ___cxa_throw, /** @export */ _embind_register_bigint: __embind_register_bigint, /** @export */ _embind_register_bool: __embind_register_bool, /** @export */ _embind_register_emval: __embind_register_emval, /** @export */ _embind_register_float: __embind_register_float, /** @export */ _embind_register_function: __embind_register_function, /** @export */ _embind_register_integer: __embind_register_integer, /** @export */ _embind_register_memory_view: __embind_register_memory_view, /** @export */ _embind_register_std_string: __embind_register_std_string, /** @export */ _embind_register_std_wstring: __embind_register_std_wstring, /** @export */ _embind_register_void: __embind_register_void, /** @export */ _emscripten_memcpy_js: __emscripten_memcpy_js, /** @export */ abort: _abort, /** @export */ emscripten_resize_heap: _emscripten_resize_heap, /** @export */ fd_close: _fd_close, /** @export */ fd_seek: _fd_seek, /** @export */ fd_write: _fd_write }; var wasmExports = createWasm(); var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors', 0); var ___getTypeName = createExportWrapper('__getTypeName', 1); var _malloc = createExportWrapper('malloc', 1); var _main = Module['_main'] = createExportWrapper('main', 2); var _fflush = createExportWrapper('fflush', 1); var _free = createExportWrapper('free', 1); var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports['emscripten_stack_init'])(); var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports['emscripten_stack_get_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_restore = (a0) => (__emscripten_stack_restore = wasmExports['_emscripten_stack_restore'])(a0); var __emscripten_stack_alloc = (a0) => (__emscripten_stack_alloc = wasmExports['_emscripten_stack_alloc'])(a0); var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])(); var ___cxa_is_pointer_type = createExportWrapper('__cxa_is_pointer_type', 1); var dynCall_jiji = Module['dynCall_jiji'] = createExportWrapper('dynCall_jiji', 5);
// include: postamble.js
// === Auto-generated postamble setup entry stuff ===
var missingLibrarySymbols = [ 'writeI53ToI64', 'writeI53ToI64Clamped', 'writeI53ToI64Signaling', 'writeI53ToU64Clamped', 'writeI53ToU64Signaling', 'readI53FromI64', 'readI53FromU64', 'convertI32PairToI53', 'convertU32PairToI53', 'stackAlloc', 'getTempRet0', 'setTempRet0', 'zeroMemory', 'growMemory', 'isLeapYear', 'ydayFromDate', 'arraySum', 'addDays', 'inetPton4', 'inetNtop4', 'inetPton6', 'inetNtop6', 'readSockaddr', 'writeSockaddr', 'initRandomFill', 'randomFill', 'emscriptenLog', 'readEmAsmArgs', 'jstoi_q', 'getExecutableName', 'listenOnce', 'autoResumeAudioContext', 'runtimeKeepalivePush', 'runtimeKeepalivePop', 'callUserCallback', 'maybeExit', 'asmjsMangle', 'asyncLoad', 'alignMemory', 'mmapAlloc', 'HandleAllocator', 'getNativeTypeSize', 'STACK_SIZE', 'STACK_ALIGN', 'POINTER_SIZE', 'ASSERTIONS', 'getCFunc', 'ccall', 'cwrap', 'uleb128Encode', 'sigToWasmTypes', 'generateFuncType', 'convertJsFunctionToWasm', 'getEmptyTableSlot', 'updateTableMap', 'getFunctionAddress', 'addFunction', 'removeFunction', 'reallyNegative', 'unSign', 'strLen', 'reSign', 'formatString', 'intArrayFromString', 'intArrayToString', 'AsciiToString', 'stringToAscii', 'stringToNewUTF8', 'stringToUTF8OnStack', 'writeArrayToMemory', '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', 'setCanvasElementSize', 'getCanvasElementSize', 'jsStackTrace', 'getCallstack', 'convertPCtoSourceLocation', 'getEnvStrings', 'checkWasiClock', 'wasiRightsToMuslOFlags', 'wasiOFlagsToMuslOFlags', 'createDyncallWrapper', 'safeSetTimeout', 'setImmediateWrapped', 'clearImmediateWrapped', 'polyfillSetImmediate', 'getPromise', 'makePromise', 'idsToPromises', 'makePromiseCallback', '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', 'registerWebGlEventCallback', 'runAndAbortIfError', 'ALLOC_NORMAL', 'ALLOC_STACK', 'allocate', 'writeStringToMemory', 'writeAsciiToMemory', 'setErrNo', 'demangle', 'stackTrace', 'getFunctionArgsName', 'requireRegisteredType', 'createJsInvokerSignature', 'init_embind', 'getBasestPointer', 'registerInheritedInstance', 'unregisterInheritedInstance', 'getInheritedInstance', 'getInheritedInstanceCount', 'getLiveInheritedInstances', 'enumReadValueFromPointer', 'genericPointerToWireType', 'constNoSmartPtrRawPointerToWireType', 'nonConstNoSmartPtrRawPointerToWireType', 'init_RegisteredPointer', 'RegisteredPointer', 'RegisteredPointer_fromWireType', 'runDestructor', 'releaseClassHandle', 'detachFinalizer', 'attachFinalizer', 'makeClassHandle', 'init_ClassHandle', 'ClassHandle', 'throwInstanceAlreadyDeleted', 'flushPendingDeletes', 'setDelayFunction', 'RegisteredClass', 'shallowCopyInternalPointer', 'downcastPointer', 'upcastPointer', 'validateThis', 'char_0', 'char_9', 'makeLegalFunctionName', 'getStringOrSymbol', 'emval_get_global', 'emval_returnValue', 'emval_lookupTypes', 'emval_addMethodCaller', ]; 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', 'wasmMemory', 'wasmExports', 'writeStackCookie', 'checkStackCookie', 'convertI32PairToI53Checked', 'stackSave', 'stackRestore', 'ptrToString', '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', 'readEmAsmArgsArray', 'jstoi_s', 'dynCallLegacy', 'getDynCaller', 'dynCall', 'handleException', 'keepRuntimeAlive', 'wasmTable', 'noExitRuntime', 'freeTableIndexes', 'functionsInTableMap', 'setValue', 'getValue', 'PATH', 'PATH_FS', 'UTF8Decoder', 'UTF8ArrayToString', 'UTF8ToString', 'stringToUTF8Array', 'stringToUTF8', 'lengthBytesUTF8', 'UTF16Decoder', 'UTF16ToString', 'stringToUTF16', 'lengthBytesUTF16', 'UTF32ToString', 'stringToUTF32', 'lengthBytesUTF32', 'JSEvents', 'specialHTMLTargets', 'findCanvasEventTarget', 'currentFullscreenStrategy', 'restoreOldWindowedStyle', 'UNWIND_CACHE', 'ExitStatus', 'flush_NO_FILESYSTEM', 'promiseMap', 'uncaughtExceptionCount', 'exceptionLast', 'exceptionCaught', 'ExceptionInfo', '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', 'InternalError', 'BindingError', 'throwInternalError', 'throwBindingError', 'registeredTypes', 'awaitingDependencies', 'typeDependencies', 'tupleRegistrations', 'structRegistrations', 'sharedRegisterType', 'whenDependentTypesAreResolved', 'embind_charCodes', 'embind_init_charCodes', 'readLatin1String', 'getTypeName', 'getFunctionName', 'heap32VectorToArray', 'usesDestructorStack', 'createJsInvoker', 'UnboundTypeError', 'PureVirtualError', 'GenericWireTypeSize', 'EmValType', 'throwUnboundTypeError', 'ensureOverloadTable', 'exposePublicSymbol', 'replacePublicSymbol', 'extendError', 'createNamedFunction', 'embindRepr', 'registeredInstances', 'registeredPointers', 'registerType', 'integerReadValueFromPointer', 'floatReadValueFromPointer', 'readPointer', 'runDestructors', 'newFunc', 'craftInvokerFunction', 'embind__requireFunction', 'finalizationRegistry', 'detachFinalizer_deps', 'deletionQueue', 'delayFunction', 'emval_freelist', 'emval_handles', 'emval_symbols', 'init_emval', 'count_emval_handles', 'Emval', 'emval_methodCallers', 'reflectConstruct', ]; 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 callMain() { assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])'); assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
var entryFunction = _main;
var argc = 0; var argv = 0;
try {
var ret = entryFunction(argc, argv);
// if we're not running an evented main loop, it's time to exit
exitJS(ret, /* implicit = */ true); return ret; } catch (e) { return handleException(e); } }
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(); }
function run() {
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();
preMain();
if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
if (shouldRunNow) callMain();
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()(); } }
// shouldRunNow refers to calling main(), not run().
var shouldRunNow = true;
if (Module['noInitialRun']) shouldRunNow = false;
run();
// end include: postamble.js
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