// The Module object: Our interface to the outside world. We import // and export values on it. There are various ways Module can be used: // 1. Not defined. We create it here // 2. A function parameter, function(Module) { ..generated code.. } // 3. pre-run appended it, var Module = {}; ..generated code.. // 4. External script tag defines var Module. // We need to check if Module already exists (e.g. case 3 above). // Substitution will be replaced with actual code on later stage of the build, // this way Closure Compiler will not mangle it (e.g. case 4. above). // Note that if you want to run closure, and also to use Module // after the generated code, you will need to define var Module = {}; // before the code. Then that object will be used in the code, and you // can continue to use Module afterwards as well. var Module = typeof Module != 'undefined' ? Module : {}; // See https://caniuse.com/mdn-javascript_builtins_object_assign // See https://caniuse.com/mdn-javascript_builtins_bigint64array // --pre-jses are emitted after the Module integration code, so that they can // refer to Module (if they choose; they can also define Module) // {{PRE_JSES}} // Sometimes an existing Module object exists with properties // meant to overwrite the default module functionality. Here // we collect those properties and reapply _after_ we configure // the current environment's defaults to avoid having to be so // defensive during initialization. var moduleOverrides = Object.assign({}, Module); var arguments_ = []; var thisProgram = './this.program'; var quit_ = (status, toThrow) => { throw toThrow; }; // Determine the runtime environment we are in. You can customize this by // setting the ENVIRONMENT setting at compile time (see settings.js). // Attempt to auto-detect the environment var ENVIRONMENT_IS_WEB = typeof window == 'object'; var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function'; // N.b. Electron.js environment is simultaneously a NODE-environment, but // also a web environment. var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string'; var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; if (Module['ENVIRONMENT']) { throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)'); } // `/` should be present at the end if `scriptDirectory` is not empty var scriptDirectory = ''; function locateFile(path) { if (Module['locateFile']) { return Module['locateFile'](path, scriptDirectory); } return scriptDirectory + path; } // Hooks that are implemented differently in different runtime environments. var read_, readAsync, readBinary, setWindowTitle; // Normally we don't log exceptions but instead let them bubble out the top // level where the embedding environment (e.g. the browser) can handle // them. // However under v8 and node we sometimes exit the process direcly in which case // its up to use us to log the exception before exiting. // If we fix https://github.com/emscripten-core/emscripten/issues/15080 // this may no longer be needed under node. function logExceptionOnExit(e) { if (e instanceof ExitStatus) return; let toLog = e; if (e && typeof e == 'object' && e.stack) { toLog = [e, e.stack]; } err('exiting due to exception: ' + toLog); } if (ENVIRONMENT_IS_NODE) { if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); if (ENVIRONMENT_IS_WORKER) { scriptDirectory = require('path').dirname(scriptDirectory) + '/'; } else { scriptDirectory = __dirname + '/'; } // include: node_shell_read.js // These modules will usually be used on Node.js. Load them eagerly to avoid // the complexity of lazy-loading. However, for now we must guard on require() // actually existing: if the JS is put in a .mjs file (ES6 module) and run on // node, then we'll detect node as the environment and get here, but require() // does not exist (since ES6 modules should use |import|). If the code actually // uses the node filesystem then it will crash, of course, but in the case of // code that never uses it we don't want to crash here, so the guarding if lets // such code work properly. See discussion in // https://github.com/emscripten-core/emscripten/pull/17851 var fs, nodePath; if (typeof require === 'function') { fs = require('fs'); nodePath = require('path'); } read_ = (filename, binary) => { filename = nodePath['normalize'](filename); return fs.readFileSync(filename, binary ? undefined : 'utf8'); }; readBinary = (filename) => { var ret = read_(filename, true); if (!ret.buffer) { ret = new Uint8Array(ret); } assert(ret.buffer); return ret; }; readAsync = (filename, onload, onerror) => { filename = nodePath['normalize'](filename); fs.readFile(filename, function(err, data) { if (err) onerror(err); else onload(data.buffer); }); }; // end include: node_shell_read.js if (process['argv'].length > 1) { thisProgram = process['argv'][1].replace(/\\/g, '/'); } arguments_ = process['argv'].slice(2); if (typeof module != 'undefined') { module['exports'] = Module; } process['on']('uncaughtException', function(ex) { // suppress ExitStatus exceptions from showing an error if (!(ex instanceof ExitStatus)) { throw ex; } }); // Without this older versions of node (< v15) will log unhandled rejections // but return 0, which is not normally the desired behaviour. This is // not be needed with node v15 and about because it is now the default // behaviour: // See https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode process['on']('unhandledRejection', function(reason) { throw reason; }); quit_ = (status, toThrow) => { if (keepRuntimeAlive()) { process['exitCode'] = status; throw toThrow; } logExceptionOnExit(toThrow); process['exit'](status); }; Module['inspect'] = function () { return '[Emscripten Module object]'; }; } else if (ENVIRONMENT_IS_SHELL) { if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); if (typeof read != 'undefined') { read_ = function shell_read(f) { return read(f); }; } readBinary = function readBinary(f) { let data; if (typeof readbuffer == 'function') { return new Uint8Array(readbuffer(f)); } data = read(f, 'binary'); assert(typeof data == 'object'); return data; }; readAsync = function readAsync(f, onload, onerror) { setTimeout(() => onload(readBinary(f)), 0); }; if (typeof scriptArgs != 'undefined') { arguments_ = scriptArgs; } else if (typeof arguments != 'undefined') { arguments_ = arguments; } if (typeof quit == 'function') { quit_ = (status, toThrow) => { logExceptionOnExit(toThrow); quit(status); }; } if (typeof print != 'undefined') { // Prefer to use print/printErr where they exist, as they usually work better. if (typeof console == 'undefined') console = /** @type{!Console} */({}); console.log = /** @type{!function(this:Console, ...*): undefined} */ (print); console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print); } } else // Note that this includes Node.js workers when relevant (pthreads is enabled). // Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and // ENVIRONMENT_IS_NODE. if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled scriptDirectory = self.location.href; } else if (typeof document != 'undefined' && document.currentScript) { // web scriptDirectory = document.currentScript.src; } // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them. // otherwise, slice off the final part of the url to find the script directory. // if scriptDirectory does not contain a slash, lastIndexOf will return -1, // and scriptDirectory will correctly be replaced with an empty string. // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #), // they are removed because they could contain a slash. if (scriptDirectory.indexOf('blob:') !== 0) { scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1); } else { scriptDirectory = ''; } if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); // Differentiate the Web Worker from the Node Worker case, as reading must // be done differently. { // include: web_or_worker_shell_read.js read_ = (url) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); xhr.send(null); return xhr.responseText; } if (ENVIRONMENT_IS_WORKER) { readBinary = (url) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); xhr.responseType = 'arraybuffer'; xhr.send(null); return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); }; } readAsync = (url, onload, onerror) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, true); xhr.responseType = 'arraybuffer'; xhr.onload = () => { if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 onload(xhr.response); return; } onerror(); }; xhr.onerror = onerror; xhr.send(null); } // end include: web_or_worker_shell_read.js } setWindowTitle = (title) => document.title = title; } else { throw new Error('environment detection error'); } var out = Module['print'] || console.log.bind(console); var err = Module['printErr'] || console.warn.bind(console); // Merge back in the overrides Object.assign(Module, moduleOverrides); // Free the object hierarchy contained in the overrides, this lets the GC // reclaim data used e.g. in memoryInitializerRequest, which is a large typed array. moduleOverrides = null; checkIncomingModuleAPI(); // Emit code to handle expected values on the Module object. This applies Module.x // to the proper local x. This has two benefits: first, we only emit it if it is // expected to arrive, and second, by using a local everywhere else that can be // minified. if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_'); if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram'); if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_'); // perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message // Assertions on removed incoming Module JS APIs. assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)'); assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)'); assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); legacyModuleProp('read', 'read_'); legacyModuleProp('readAsync', 'readAsync'); legacyModuleProp('readBinary', 'readBinary'); legacyModuleProp('setWindowTitle', 'setWindowTitle'); var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js'; var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js'; var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js'; var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-sENVIRONMENT` to enable."); var STACK_ALIGN = 16; var POINTER_SIZE = 4; function getNativeTypeSize(type) { switch (type) { case 'i1': case 'i8': case 'u8': return 1; case 'i16': case 'u16': return 2; case 'i32': case 'u32': return 4; case 'i64': case 'u64': return 8; case 'float': return 4; case 'double': return 8; default: { if (type[type.length - 1] === '*') { return POINTER_SIZE; } if (type[0] === 'i') { const bits = Number(type.substr(1)); assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); return bits / 8; } return 0; } } } // include: runtime_debug.js function legacyModuleProp(prop, newName) { if (!Object.getOwnPropertyDescriptor(Module, prop)) { Object.defineProperty(Module, prop, { configurable: true, get: function() { abort('Module.' + prop + ' has been replaced with plain ' + newName + ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)'); } }); } } function ignoredModuleProp(prop) { if (Object.getOwnPropertyDescriptor(Module, prop)) { abort('`Module.' + prop + '` was supplied but `' + prop + '` not included in INCOMING_MODULE_JS_API'); } } // forcing the filesystem exports a few things by default function isExportedByForceFilesystem(name) { return name === 'FS_createPath' || name === 'FS_createDataFile' || name === 'FS_createPreloadedFile' || name === 'FS_unlink' || name === 'addRunDependency' || // The old FS has some functionality that WasmFS lacks. name === 'FS_createLazyFile' || name === 'FS_createDevice' || name === 'removeRunDependency'; } function missingLibrarySymbol(sym) { if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) { Object.defineProperty(globalThis, sym, { configurable: true, get: function() { // Can't `abort()` here because it would break code that does runtime // checks. e.g. `if (typeof SDL === 'undefined')`. var msg = '`' + sym + '` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line'; // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in // library.js, which means $name for a JS name with no prefix, or name // for a JS name like _name. var librarySymbol = sym; if (!librarySymbol.startsWith('_')) { librarySymbol = '$' + sym; } msg += " (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE=" + librarySymbol + ")"; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } warnOnce(msg); return undefined; } }); } } function unexportedRuntimeSymbol(sym) { if (!Object.getOwnPropertyDescriptor(Module, sym)) { Object.defineProperty(Module, sym, { configurable: true, get: function() { var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } abort(msg); } }); } } // end include: runtime_debug.js // === Preamble library stuff === // Documentation for the public APIs defined in this file must be updated in: // site/source/docs/api_reference/preamble.js.rst // A prebuilt local version of the documentation is available at: // site/build/text/docs/api_reference/preamble.js.txt // You can also build docs locally as HTML or other formats in site/ // An online HTML version (which may be of a different version of Emscripten) // is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html var wasmBinary; if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary'); var noExitRuntime = Module['noExitRuntime'] || true;legacyModuleProp('noExitRuntime', 'noExitRuntime'); if (typeof WebAssembly != 'object') { abort('no native wasm support detected'); } // Wasm globals var wasmMemory; //======================================== // Runtime essentials //======================================== // whether we are quitting the application. no code should run after this. // set in exit() and abort() var ABORT = false; // set by exit() and abort(). Passed to 'onExit' handler. // NOTE: This is also used as the process return code code in shell environments // but only when noExitRuntime is false. var EXITSTATUS; /** @type {function(*, string=)} */ function assert(condition, text) { if (!condition) { abort('Assertion failed' + (text ? ': ' + text : '')); } } // We used to include malloc/free by default in the past. Show a helpful error in // builds with assertions. // include: runtime_strings.js // runtime_strings.js: String related runtime functions that are part of both // MINIMAL_RUNTIME and regular runtime. var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; /** * Given a pointer '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} */ function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) { var endIdx = idx + maxBytesToRead; var endPtr = idx; // TextDecoder needs to know the byte length in advance, it doesn't stop on // null terminator by itself. Also, use the length info to avoid running tiny // strings through TextDecoder, since .subarray() allocates garbage. // (As a tiny code save trick, compare endPtr against endIdx using a negation, // so that undefined means Infinity) while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr; if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) { return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr)); } var str = ''; // If building with TextDecoder, we have already computed the string length // above, so test loop end condition against that while (idx < endPtr) { // For UTF8 byte structure, see: // http://en.wikipedia.org/wiki/UTF-8#Description // https://www.ietf.org/rfc/rfc2279.txt // https://tools.ietf.org/html/rfc3629 var u0 = heapOrArray[idx++]; if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } var u1 = heapOrArray[idx++] & 63; if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } var u2 = heapOrArray[idx++] & 63; if ((u0 & 0xF0) == 0xE0) { u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; } else { if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte ' + 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} */ function UTF8ToString(ptr, maxBytesToRead) { return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; } /** * Copies the given Javascript String object 'str' to the given byte array at * address 'outIdx', encoded in UTF8 form and null-terminated. The copy will * require at most str.length*4+1 bytes of space in the HEAP. Use the function * lengthBytesUTF8 to compute the exact number of bytes (excluding null * terminator) that this function will write. * * @param {string} str - The Javascript string to copy. * @param {ArrayBufferView|Array} heap - The array to copy to. Each * index in this array is assumed * to be one 8-byte element. * @param {number} outIdx - The starting offset in the array to begin the copying. * @param {number} maxBytesToWrite - The maximum number of bytes this function * can write to the array. This count should * include the null terminator, i.e. if * maxBytesToWrite=1, only the null terminator * will be written and nothing else. * maxBytesToWrite=0 does not write any bytes * to the output, not even the null * terminator. * @return {number} The number of bytes written, EXCLUDING the null terminator. */ function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { // 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; } /** * Copies the given Javascript String object 'str' to the emscripten HEAP at * address 'outPtr', null-terminated and encoded in UTF8 form. The copy will * require at most str.length*4+1 bytes of space in the HEAP. * Use the function lengthBytesUTF8 to compute the exact number of bytes * (excluding null terminator) that this function will write. * * @return {number} The number of bytes written, EXCLUDING the null terminator. */ function stringToUTF8(str, outPtr, maxBytesToWrite) { assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); } /** * Returns the number of bytes the given Javascript string takes if encoded as a * UTF8 byte array, EXCLUDING the null terminator byte. * * @param {string} str - JavaScript string to operator on * @return {number} Length, in bytes, of the UTF8 encoded string. */ function lengthBytesUTF8(str) { var len = 0; for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code // unit, not a Unicode code point of the character! So decode // UTF16->UTF32->UTF8. // See http://unicode.org/faq/utf_bom.html#utf16-3 var c = str.charCodeAt(i); // possibly a lead surrogate if (c <= 0x7F) { len++; } else if (c <= 0x7FF) { len += 2; } else if (c >= 0xD800 && c <= 0xDFFF) { len += 4; ++i; } else { len += 3; } } return len; } // end include: runtime_strings.js // Memory management var HEAP, /** @type {!ArrayBuffer} */ buffer, /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /** @type {!Float64Array} */ HEAPF64; function updateGlobalBufferAndViews(buf) { buffer = buf; Module['HEAP8'] = HEAP8 = new Int8Array(buf); Module['HEAP16'] = HEAP16 = new Int16Array(buf); Module['HEAP32'] = HEAP32 = new Int32Array(buf); Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf); Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf); Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf); Module['HEAPF32'] = HEAPF32 = new Float32Array(buf); Module['HEAPF64'] = HEAPF64 = new Float64Array(buf); } var STACK_SIZE = 5242880; if (Module['STACK_SIZE']) assert(STACK_SIZE === Module['STACK_SIZE'], 'the stack size can no longer be determined at runtime') var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216;legacyModuleProp('INITIAL_MEMORY', 'INITIAL_MEMORY'); assert(INITIAL_MEMORY >= STACK_SIZE, 'INITIAL_MEMORY should be larger than STACK_SIZE, was ' + INITIAL_MEMORY + '! (STACK_SIZE=' + STACK_SIZE + ')'); // check for full engine support (use string 'subarray' to avoid closure compiler confusion) assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, 'JS engine does not provide full typed array support'); // If memory is defined in wasm, the user can't provide it. assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally'); assert(INITIAL_MEMORY == 16777216, 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically'); // include: runtime_init_table.js // In regular non-RELOCATABLE mode the table is exported // from the wasm module and this will be assigned once // the exports are available. var wasmTable; // end include: runtime_init_table.js // include: runtime_stack_check.js // Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. function writeStackCookie() { var max = _emscripten_stack_get_end(); assert((max & 3) == 0); // If the stack ends at address zero we write our cookies 4 bytes into the // stack. This prevents interference with the (separate) address-zero check // below. 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)] = 0x2135467; HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE; // Also test the global address 0 for integrity. HEAPU32[0] = 0x63736d65; /* 'emsc' */ } function checkStackCookie() { if (ABORT) return; var max = _emscripten_stack_get_end(); // See writeStackCookie(). if (max == 0) { max += 4; } var cookie1 = HEAPU32[((max)>>2)]; var cookie2 = HEAPU32[(((max)+(4))>>2)]; if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) { abort('Stack overflow! Stack cookie has been overwritten at ' + 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] !== 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 keepRuntimeAlive() { return noExitRuntime; } function preRun() { if (Module['preRun']) { if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; while (Module['preRun'].length) { addOnPreRun(Module['preRun'].shift()); } } callRuntimeCallbacks(__ATPRERUN__); } function initRuntime() { assert(!runtimeInitialized); runtimeInitialized = true; checkStackCookie(); 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++; if (Module['monitorRunDependencies']) { Module['monitorRunDependencies'](runDependencies); } if (id) { assert(!runDependencyTracking[id]); runDependencyTracking[id] = 1; if (runDependencyWatcher === null && typeof setInterval != 'undefined') { // Check for missing dependencies every few seconds runDependencyWatcher = setInterval(function() { if (ABORT) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; return; } var shown = false; for (var dep in runDependencyTracking) { if (!shown) { shown = true; err('still waiting on run dependencies:'); } err('dependency: ' + dep); } if (shown) { err('(end of list)'); } }, 10000); } } else { err('warning: run dependency added without ID'); } } function removeRunDependency(id) { runDependencies--; if (Module['monitorRunDependencies']) { Module['monitorRunDependencies'](runDependencies); } if (id) { assert(runDependencyTracking[id]); delete runDependencyTracking[id]; } else { err('warning: run dependency removed without ID'); } if (runDependencies == 0) { if (runDependencyWatcher !== null) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; } if (dependenciesFulfilled) { var callback = dependenciesFulfilled; dependenciesFulfilled = null; callback(); // can add another dependenciesFulfilled } } } /** @param {string|number=} what */ function abort(what) { if (Module['onAbort']) { Module['onAbort'](what); } what = 'Aborted(' + what + ')'; // TODO(sbc): Should we remove printing and leave it up to whoever // catches the exception? err(what); ABORT = true; EXITSTATUS = 1; if (what.indexOf('RuntimeError: unreachable') >= 0) { what += '. "unreachable" may be due to ASYNCIFY_STACK_SIZE not being large enough (try increasing it)'; } // Use a wasm runtime error, because a JS error might be seen as a foreign // exception, which means we'd run destructors on it. We need the error to // simply make the program stop. // FIXME This approach does not work in Wasm EH because it currently does not assume // all RuntimeErrors are from traps; it decides whether a RuntimeError is from // a trap or not based on a hidden field within the object. So at the moment // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that // allows this in the wasm spec. // Suppress closure compiler warning here. Closure compiler's builtin extern // defintion for WebAssembly.RuntimeError claims it takes no arguments even // though it can. // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what); // Throw the error whether or not MODULARIZE is set because abort is used // in code paths apart from instantiation where an exception is expected // to be thrown when abort is called. throw e; } // {{MEM_INITIALIZER}} // include: memoryprofiler.js // end include: memoryprofiler.js // show errors on likely calls to FS when it was not included var FS = { error: function() { 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: function() { FS.error() }, createDataFile: function() { FS.error() }, createPreloadedFile: function() { FS.error() }, createLazyFile: function() { FS.error() }, open: function() { FS.error() }, mkdev: function() { FS.error() }, registerDevice: function() { FS.error() }, analyzePath: function() { FS.error() }, loadFilesFromDB: function() { FS.error() }, ErrnoError: function 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. function isDataURI(filename) { // Prefix of data URIs emitted by SINGLE_FILE and related options. return filename.startsWith(dataURIPrefix); } // Indicates whether filename is delivered via file protocol (as opposed to http/https) function isFileURI(filename) { return filename.startsWith('file://'); } // end include: URIUtils.js /** @param {boolean=} fixedasm */ function createExportWrapper(name, fixedasm) { return function() { var displayName = name; var asm = fixedasm; if (!fixedasm) { asm = Module['asm']; } assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization'); if (!asm[name]) { assert(asm[name], 'exported native function `' + displayName + '` not found'); } return asm[name].apply(null, arguments); }; } var wasmBinaryFile; wasmBinaryFile = 'main.wasm'; if (!isDataURI(wasmBinaryFile)) { wasmBinaryFile = locateFile(wasmBinaryFile); } function getBinary(file) { try { if (file == wasmBinaryFile && wasmBinary) { return new Uint8Array(wasmBinary); } if (readBinary) { return readBinary(file); } throw "both async and sync fetching of the wasm failed"; } catch (err) { abort(err); } } function getBinaryPromise() { // If we don't have the binary yet, try to to load it asynchronously. // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. // See https://github.com/github/fetch/pull/92#issuecomment-140665932 // Cordova or Electron apps are typically loaded from a file:// url. // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { if (typeof fetch == 'function' && !isFileURI(wasmBinaryFile) ) { return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { if (!response['ok']) { throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; } return response['arrayBuffer'](); }).catch(function () { return getBinary(wasmBinaryFile); }); } else { if (readAsync) { // fetch is not available or url is file => try XHR (readAsync uses XHR internally) return new Promise(function(resolve, reject) { readAsync(wasmBinaryFile, function(response) { resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))) }, reject) }); } } } // Otherwise, getBinary should be able to get it synchronously return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); }); } // Create the wasm instance. // Receives the wasm imports, returns the exports. function createWasm() { // prepare imports var info = { 'env': asmLibraryArg, 'wasi_snapshot_preview1': asmLibraryArg, }; // Load the wasm module and create an instance of using native support in the JS engine. // handle a generated wasm instance, receiving its exports and // performing other necessary setup /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) { var exports = instance.exports; exports = Asyncify.instrumentWasmExports(exports); Module['asm'] = exports; wasmMemory = Module['asm']['memory']; assert(wasmMemory, "memory not found in wasm exports"); // This assertion doesn't hold when emscripten is run in --post-link // mode. // TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode. //assert(wasmMemory.buffer.byteLength === 16777216); updateGlobalBufferAndViews(wasmMemory.buffer); wasmTable = Module['asm']['__indirect_function_table']; assert(wasmTable, "table not found in wasm exports"); addOnInit(Module['asm']['__wasm_call_ctors']); removeRunDependency('wasm-instantiate'); } // we can't run yet (except in a pthread, where we have a custom sync instantiator) addRunDependency('wasm-instantiate'); // Prefer streaming instantiation if available. // Async compilation can be confusing when an error on the page overwrites Module // (for example, if the order of elements is wrong, and the one defining Module is // later), so we save Module and check it later. var trueModule = Module; function receiveInstantiationResult(result) { // 'result' is a ResultObject object which has both the module and instance. // receiveInstance() will swap in the exports (to Module.asm) so they can be called assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?'); trueModule = null; // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. // When the regression is fixed, can restore the above USE_PTHREADS-enabled path. receiveInstance(result['instance']); } function instantiateArrayBuffer(receiver) { return getBinaryPromise().then(function(binary) { return WebAssembly.instantiate(binary, info); }).then(function (instance) { return instance; }).then(receiver, function(reason) { err('failed to asynchronously prepare wasm: ' + reason); // Warn on some common problems. if (isFileURI(wasmBinaryFile)) { err('warning: Loading from a file URI (' + wasmBinaryFile + ') is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing'); } abort(reason); }); } function instantiateAsync() { if (!wasmBinary && typeof WebAssembly.instantiateStreaming == 'function' && !isDataURI(wasmBinaryFile) && // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously. !isFileURI(wasmBinaryFile) && // Avoid instantiateStreaming() on Node.js environment for now, as while // Node.js v18.1.0 implements it, it does not have a full fetch() // implementation yet. // // Reference: // https://github.com/emscripten-core/emscripten/pull/16917 !ENVIRONMENT_IS_NODE && typeof fetch == 'function') { return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { // Suppress closure warning here since the upstream definition for // instantiateStreaming only allows Promise rather than // an actual Response. // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed. /** @suppress {checkTypes} */ var result = WebAssembly.instantiateStreaming(response, info); return result.then( receiveInstantiationResult, function(reason) { // We expect the most common failure cause to be a bad MIME type for the binary, // in which case falling back to ArrayBuffer instantiation should work. err('wasm streaming compile failed: ' + reason); err('falling back to ArrayBuffer instantiation'); return instantiateArrayBuffer(receiveInstantiationResult); }); }); } else { return instantiateArrayBuffer(receiveInstantiationResult); } } // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel // to any other async startup actions they are performing. // Also pthreads and wasm workers initialize the wasm instance through this path. if (Module['instantiateWasm']) { try { var exports = Module['instantiateWasm'](info, receiveInstance); exports = Asyncify.instrumentWasmExports(exports); return exports; } catch(e) { err('Module.instantiateWasm callback failed with error: ' + e); return false; } } instantiateAsync(); return {}; // no exports yet; we'll fill them in later } // Globals used by JS i64 conversions (see makeSetValue) var tempDouble; var tempI64; // === Body === var ASM_CONSTS = { 5243624: ($0) => { document.getElementById("light_led").style.opacity = $0 ? 1 : 0; } }; /** @constructor */ function ExitStatus(status) { this.name = 'ExitStatus'; this.message = 'Program terminated with exit(' + status + ')'; this.status = status; } function callRuntimeCallbacks(callbacks) { while (callbacks.length > 0) { // Pass the module as the first argument. callbacks.shift()(Module); } } /** * @param {number} ptr * @param {string} type */ function getValue(ptr, type = 'i8') { if (type.endsWith('*')) type = '*'; switch (type) { case 'i1': return HEAP8[((ptr)>>0)]; case 'i8': return HEAP8[((ptr)>>0)]; case 'i16': return HEAP16[((ptr)>>1)]; case 'i32': return HEAP32[((ptr)>>2)]; case 'i64': return HEAP32[((ptr)>>2)]; case 'float': return HEAPF32[((ptr)>>2)]; case 'double': return HEAPF64[((ptr)>>3)]; case '*': return HEAPU32[((ptr)>>2)]; default: abort('invalid type for getValue: ' + type); } return null; } function ptrToString(ptr) { 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)>>0)] = value; break; case 'i8': HEAP8[((ptr)>>0)] = value; break; case 'i16': HEAP16[((ptr)>>1)] = value; break; case 'i32': HEAP32[((ptr)>>2)] = value; break; case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)] = tempI64[0],HEAP32[(((ptr)+(4))>>2)] = tempI64[1]); break; case 'float': HEAPF32[((ptr)>>2)] = value; break; case 'double': HEAPF64[((ptr)>>3)] = value; break; case '*': HEAPU32[((ptr)>>2)] = value; break; default: abort('invalid type for setValue: ' + type); } } function warnOnce(text) { if (!warnOnce.shown) warnOnce.shown = {}; if (!warnOnce.shown[text]) { warnOnce.shown[text] = 1; if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text; err(text); } } var readAsmConstArgsArray = []; function readAsmConstArgs(sigPtr, buf) { // Nobody should have mutated _readAsmConstArgsArray underneath us to be something else than an array. assert(Array.isArray(readAsmConstArgsArray)); // The input buffer is allocated on the stack, so it must be stack-aligned. assert(buf % 16 == 0); readAsmConstArgsArray.length = 0; var ch; // Most arguments are i32s, so shift the buffer pointer so it is a plain // index into HEAP32. buf >>= 2; while (ch = HEAPU8[sigPtr++]) { var chr = String.fromCharCode(ch); var validChars = ['d', 'f', 'i']; assert(validChars.includes(chr), 'Invalid character ' + ch + '("' + chr + '") in readAsmConstArgs! Use only [' + validChars + '], and do not specify "v" for void return argument.'); // Floats are always passed as doubles, and doubles and int64s take up 8 // bytes (two 32-bit slots) in memory, align reads to these: buf += (ch != 105/*i*/) & buf; readAsmConstArgsArray.push( ch == 105/*i*/ ? HEAP32[buf] : HEAPF64[buf++ >> 1] ); ++buf; } return readAsmConstArgsArray; } function _emscripten_asm_const_int(code, sigPtr, argbuf) { var args = readAsmConstArgs(sigPtr, argbuf); if (!ASM_CONSTS.hasOwnProperty(code)) abort('No EM_ASM constant found at address ' + code); return ASM_CONSTS[code].apply(null, args); } function _emscripten_memcpy_big(dest, src, num) { HEAPU8.copyWithin(dest, src, src + num); } function getHeapMax() { return HEAPU8.length; } function abortOnCannotGrowMemory(requestedSize) { abort('Cannot enlarge memory arrays to size ' + requestedSize + ' bytes (OOM). Either (1) compile with -sINITIAL_MEMORY=X with X higher than the current value ' + HEAP8.length + ', (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0'); } function _emscripten_resize_heap(requestedSize) { var oldSize = HEAPU8.length; requestedSize = requestedSize >>> 0; abortOnCannotGrowMemory(requestedSize); } function 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 ' + STACK_SIZE + ')'); } } quit_(1, e); } function callUserCallback(func) { if (ABORT) { err('user callback triggered after runtime exited or application aborted. Ignoring.'); return; } try { func(); } catch (e) { handleException(e); } } /** @param {number=} timeout */ function safeSetTimeout(func, timeout) { return setTimeout(function() { callUserCallback(func); }, timeout); } function _emscripten_sleep(ms) { // emscripten_sleep() does not return a value, but we still need a |return| // here for stack switching support (ASYNCIFY=2). In that mode this function // returns a Promise instead of nothing, and that Promise is what tells the // wasm VM to pause the stack. return Asyncify.handleSleep((wakeUp) => safeSetTimeout(wakeUp, ms)); } var printCharBuffers = [null,[],[]]; function 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); } } function flush_NO_FILESYSTEM() { // flush anything remaining in the buffers during shutdown _fflush(0); if (printCharBuffers[1].length) printChar(1, 10); if (printCharBuffers[2].length) printChar(2, 10); } var SYSCALLS = {varargs:undefined,get:function() { assert(SYSCALLS.varargs != undefined); SYSCALLS.varargs += 4; var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)]; return ret; },getStr:function(ptr) { var ret = UTF8ToString(ptr); return ret; }}; function _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; } function _proc_exit(code) { EXITSTATUS = code; if (!keepRuntimeAlive()) { if (Module['onExit']) Module['onExit'](code); ABORT = true; } quit_(code, new ExitStatus(code)); } /** @param {boolean|number=} implicit */ function 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 EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)'; err(msg); } _proc_exit(status); } function runAndAbortIfError(func) { try { return func(); } catch (e) { abort(e); } } function sigToWasmTypes(sig) { var typeNames = { 'i': 'i32', // i64 values will be split into two i32s. 'j': 'i32', 'f': 'f32', 'd': 'f64', 'p': 'i32', }; var type = { parameters: [], results: sig[0] == 'v' ? [] : [typeNames[sig[0]]] }; for (var i = 1; i < sig.length; ++i) { assert(sig[i] in typeNames, 'invalid signature char: ' + sig[i]); type.parameters.push(typeNames[sig[i]]); if (sig[i] === 'j') { type.parameters.push('i32'); } } return type; } function runtimeKeepalivePush() { } function runtimeKeepalivePop() { } var Asyncify = {instrumentWasmImports:function(imports) { var ASYNCIFY_IMPORTS = ["env.invoke_*","env.emscripten_sleep","env.emscripten_wget","env.emscripten_wget_data","env.emscripten_idb_load","env.emscripten_idb_store","env.emscripten_idb_delete","env.emscripten_idb_exists","env.emscripten_idb_load_blob","env.emscripten_idb_store_blob","env.SDL_Delay","env.emscripten_scan_registers","env.emscripten_lazy_load_code","env.emscripten_fiber_swap","wasi_snapshot_preview1.fd_sync","env.__wasi_fd_sync","env._emval_await","env._dlopen_js","env.__asyncjs__*"].map((x) => x.split('.')[1]); for (var x in imports) { (function(x) { var original = imports[x]; var sig = original.sig; if (typeof original == 'function') { var isAsyncifyImport = ASYNCIFY_IMPORTS.indexOf(x) >= 0 || x.startsWith('__asyncjs__'); imports[x] = function() { var originalAsyncifyState = Asyncify.state; try { return original.apply(null, arguments); } finally { // Only asyncify-declared imports are allowed to change the // state. // Changing the state from normal to disabled is allowed (in any // function) as that is what shutdown does (and we don't have an // explicit list of shutdown imports). var changedToDisabled = originalAsyncifyState === Asyncify.State.Normal && Asyncify.state === Asyncify.State.Disabled; // invoke_* functions are allowed to change the state if we do // not ignore indirect calls. var ignoredInvoke = x.startsWith('invoke_') && true; if (Asyncify.state !== originalAsyncifyState && !isAsyncifyImport && !changedToDisabled && !ignoredInvoke) { throw new Error('import ' + x + ' was not in ASYNCIFY_IMPORTS, but changed the state'); } } }; } })(x); } },instrumentWasmExports:function(exports) { var ret = {}; for (var x in exports) { (function(x) { var original = exports[x]; if (typeof original == 'function') { ret[x] = function() { Asyncify.exportCallStack.push(x); try { return original.apply(null, arguments); } finally { if (!ABORT) { var y = Asyncify.exportCallStack.pop(); assert(y === x); Asyncify.maybeStopUnwind(); } } }; } else { ret[x] = original; } })(x); } return ret; },State:{Normal:0,Unwinding:1,Rewinding:2,Disabled:3},state:0,StackSize:4096,currData:null,handleSleepReturnValue:0,exportCallStack:[],callStackNameToId:{},callStackIdToName:{},callStackId:0,asyncPromiseHandlers:null,sleepCallbacks:[],getCallStackId:function(funcName) { var id = Asyncify.callStackNameToId[funcName]; if (id === undefined) { id = Asyncify.callStackId++; Asyncify.callStackNameToId[funcName] = id; Asyncify.callStackIdToName[id] = funcName; } return id; },maybeStopUnwind:function() { if (Asyncify.currData && Asyncify.state === Asyncify.State.Unwinding && Asyncify.exportCallStack.length === 0) { // We just finished unwinding. // Be sure to set the state before calling any other functions to avoid // possible infinite recursion here (For example in debug pthread builds // the dbg() function itself can call back into WebAssembly to get the // current pthread_self() pointer). Asyncify.state = Asyncify.State.Normal; // Keep the runtime alive so that a re-wind can be done later. runAndAbortIfError(_asyncify_stop_unwind); if (typeof Fibers != 'undefined') { Fibers.trampoline(); } } },whenDone:function() { assert(Asyncify.currData, 'Tried to wait for an async operation when none is in progress.'); assert(!Asyncify.asyncPromiseHandlers, 'Cannot have multiple async operations in flight at once'); return new Promise((resolve, reject) => { Asyncify.asyncPromiseHandlers = { resolve: resolve, reject: reject }; }); },allocateData:function() { // An asyncify data structure has three fields: // 0 current stack pos // 4 max stack pos // 8 id of function at bottom of the call stack (callStackIdToName[id] == name of js function) // // The Asyncify ABI only interprets the first two fields, the rest is for the runtime. // We also embed a stack in the same memory region here, right next to the structure. // This struct is also defined as asyncify_data_t in emscripten/fiber.h var ptr = _malloc(12 + Asyncify.StackSize); Asyncify.setDataHeader(ptr, ptr + 12, Asyncify.StackSize); Asyncify.setDataRewindFunc(ptr); return ptr; },setDataHeader:function(ptr, stack, stackSize) { HEAP32[((ptr)>>2)] = stack; HEAP32[(((ptr)+(4))>>2)] = stack + stackSize; },setDataRewindFunc:function(ptr) { var bottomOfCallStack = Asyncify.exportCallStack[0]; var rewindId = Asyncify.getCallStackId(bottomOfCallStack); HEAP32[(((ptr)+(8))>>2)] = rewindId; },getDataRewindFunc:function(ptr) { var id = HEAP32[(((ptr)+(8))>>2)]; var name = Asyncify.callStackIdToName[id]; var func = Module['asm'][name]; return func; },doRewind:function(ptr) { var start = Asyncify.getDataRewindFunc(ptr); // Once we have rewound and the stack we no longer need to artificially // keep the runtime alive. return start(); },handleSleep:function(startAsync) { assert(Asyncify.state !== Asyncify.State.Disabled, 'Asyncify cannot be done during or after the runtime exits'); if (ABORT) return; if (Asyncify.state === Asyncify.State.Normal) { // Prepare to sleep. Call startAsync, and see what happens: // if the code decided to call our callback synchronously, // then no async operation was in fact begun, and we don't // need to do anything. var reachedCallback = false; var reachedAfterCallback = false; startAsync((handleSleepReturnValue) => { assert(!handleSleepReturnValue || typeof handleSleepReturnValue == 'number' || typeof handleSleepReturnValue == 'boolean'); // old emterpretify API supported other stuff if (ABORT) return; Asyncify.handleSleepReturnValue = handleSleepReturnValue || 0; reachedCallback = true; if (!reachedAfterCallback) { // We are happening synchronously, so no need for async. return; } // This async operation did not happen synchronously, so we did // unwind. In that case there can be no compiled code on the stack, // as it might break later operations (we can rewind ok now, but if // we unwind again, we would unwind through the extra compiled code // too). assert(!Asyncify.exportCallStack.length, 'Waking up (starting to rewind) must be done from JS, without compiled code on the stack.'); Asyncify.state = Asyncify.State.Rewinding; runAndAbortIfError(() => _asyncify_start_rewind(Asyncify.currData)); if (typeof Browser != 'undefined' && Browser.mainLoop.func) { Browser.mainLoop.resume(); } var asyncWasmReturnValue, isError = false; try { asyncWasmReturnValue = Asyncify.doRewind(Asyncify.currData); } catch (err) { asyncWasmReturnValue = err; isError = true; } // Track whether the return value was handled by any promise handlers. var handled = false; if (!Asyncify.currData) { // All asynchronous execution has finished. // `asyncWasmReturnValue` now contains the final // return value of the exported async WASM function. // // Note: `asyncWasmReturnValue` is distinct from // `Asyncify.handleSleepReturnValue`. // `Asyncify.handleSleepReturnValue` contains the return // value of the last C function to have executed // `Asyncify.handleSleep()`, where as `asyncWasmReturnValue` // contains the return value of the exported WASM function // that may have called C functions that // call `Asyncify.handleSleep()`. var asyncPromiseHandlers = Asyncify.asyncPromiseHandlers; if (asyncPromiseHandlers) { Asyncify.asyncPromiseHandlers = null; (isError ? asyncPromiseHandlers.reject : asyncPromiseHandlers.resolve)(asyncWasmReturnValue); handled = true; } } if (isError && !handled) { // If there was an error and it was not handled by now, we have no choice but to // rethrow that error into the global scope where it can be caught only by // `onerror` or `onunhandledpromiserejection`. throw asyncWasmReturnValue; } }); reachedAfterCallback = true; if (!reachedCallback) { // A true async operation was begun; start a sleep. Asyncify.state = Asyncify.State.Unwinding; // TODO: reuse, don't alloc/free every sleep Asyncify.currData = Asyncify.allocateData(); if (typeof Browser != 'undefined' && Browser.mainLoop.func) { Browser.mainLoop.pause(); } runAndAbortIfError(() => _asyncify_start_unwind(Asyncify.currData)); } } else if (Asyncify.state === Asyncify.State.Rewinding) { // Stop a resume. Asyncify.state = Asyncify.State.Normal; runAndAbortIfError(_asyncify_stop_rewind); _free(Asyncify.currData); Asyncify.currData = null; // Call all sleep callbacks now that the sleep-resume is all done. Asyncify.sleepCallbacks.forEach((func) => callUserCallback(func)); } else { abort('invalid state: ' + Asyncify.state); } return Asyncify.handleSleepReturnValue; },handleAsync:function(startAsync) { return Asyncify.handleSleep((wakeUp) => { // TODO: add error handling as a second param when handleSleep implements it. startAsync().then(wakeUp); }); }}; var ASSERTIONS = true; function checkIncomingModuleAPI() { ignoredModuleProp('fetchSettings'); } var asmLibraryArg = { "emscripten_asm_const_int": _emscripten_asm_const_int, "emscripten_memcpy_big": _emscripten_memcpy_big, "emscripten_resize_heap": _emscripten_resize_heap, "emscripten_sleep": _emscripten_sleep, "fd_write": _fd_write }; Asyncify.instrumentWasmImports(asmLibraryArg); var asm = createWasm(); /** @type {function(...*):?} */ var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors"); /** @type {function(...*):?} */ var _main = Module["_main"] = createExportWrapper("main"); /** @type {function(...*):?} */ var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location"); /** @type {function(...*):?} */ var _fflush = Module["_fflush"] = createExportWrapper("fflush"); /** @type {function(...*):?} */ var _malloc = Module["_malloc"] = createExportWrapper("malloc"); /** @type {function(...*):?} */ var _free = Module["_free"] = createExportWrapper("free"); /** @type {function(...*):?} */ var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() { return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _emscripten_stack_set_limits = Module["_emscripten_stack_set_limits"] = function() { return (_emscripten_stack_set_limits = Module["_emscripten_stack_set_limits"] = Module["asm"]["emscripten_stack_set_limits"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() { return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = function() { return (_emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() { return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments); }; /** @type {function(...*):?} */ var stackSave = Module["stackSave"] = createExportWrapper("stackSave"); /** @type {function(...*):?} */ var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore"); /** @type {function(...*):?} */ var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc"); /** @type {function(...*):?} */ var _emscripten_stack_get_current = Module["_emscripten_stack_get_current"] = function() { return (_emscripten_stack_get_current = Module["_emscripten_stack_get_current"] = Module["asm"]["emscripten_stack_get_current"]).apply(null, arguments); }; /** @type {function(...*):?} */ var dynCall_ii = Module["dynCall_ii"] = createExportWrapper("dynCall_ii"); /** @type {function(...*):?} */ var dynCall_iiii = Module["dynCall_iiii"] = createExportWrapper("dynCall_iiii"); /** @type {function(...*):?} */ var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji"); /** @type {function(...*):?} */ var dynCall_iidiiii = Module["dynCall_iidiiii"] = createExportWrapper("dynCall_iidiiii"); /** @type {function(...*):?} */ var dynCall_vii = Module["dynCall_vii"] = createExportWrapper("dynCall_vii"); /** @type {function(...*):?} */ var _asyncify_start_unwind = Module["_asyncify_start_unwind"] = createExportWrapper("asyncify_start_unwind"); /** @type {function(...*):?} */ var _asyncify_stop_unwind = Module["_asyncify_stop_unwind"] = createExportWrapper("asyncify_stop_unwind"); /** @type {function(...*):?} */ var _asyncify_start_rewind = Module["_asyncify_start_rewind"] = createExportWrapper("asyncify_start_rewind"); /** @type {function(...*):?} */ var _asyncify_stop_rewind = Module["_asyncify_stop_rewind"] = createExportWrapper("asyncify_stop_rewind"); // === Auto-generated postamble setup entry stuff === var unexportedRuntimeSymbols = [ 'run', 'UTF8ArrayToString', 'UTF8ToString', 'stringToUTF8Array', 'stringToUTF8', 'lengthBytesUTF8', 'addOnPreRun', 'addOnInit', 'addOnPreMain', 'addOnExit', 'addOnPostRun', 'addRunDependency', 'removeRunDependency', 'FS_createFolder', 'FS_createPath', 'FS_createDataFile', 'FS_createPreloadedFile', 'FS_createLazyFile', 'FS_createLink', 'FS_createDevice', 'FS_unlink', 'getLEB', 'getFunctionTables', 'alignFunctionTables', 'registerFunctions', 'prettyPrint', 'getCompilerSetting', 'out', 'err', 'callMain', 'abort', 'keepRuntimeAlive', 'wasmMemory', 'stackAlloc', 'stackSave', 'stackRestore', 'getTempRet0', 'setTempRet0', 'writeStackCookie', 'checkStackCookie', 'ptrToString', 'zeroMemory', 'stringToNewUTF8', 'exitJS', 'getHeapMax', 'abortOnCannotGrowMemory', 'emscripten_realloc_buffer', 'ENV', 'ERRNO_CODES', 'ERRNO_MESSAGES', 'setErrNo', 'inetPton4', 'inetNtop4', 'inetPton6', 'inetNtop6', 'readSockaddr', 'writeSockaddr', 'DNS', 'getHostByName', 'Protocols', 'Sockets', 'getRandomDevice', 'warnOnce', 'traverseStack', 'UNWIND_CACHE', 'convertPCtoSourceLocation', 'readAsmConstArgsArray', 'readAsmConstArgs', 'mainThreadEM_ASM', 'jstoi_q', 'jstoi_s', 'getExecutableName', 'listenOnce', 'autoResumeAudioContext', 'dynCallLegacy', 'getDynCaller', 'dynCall', 'handleException', 'runtimeKeepalivePush', 'runtimeKeepalivePop', 'callUserCallback', 'maybeExit', 'safeSetTimeout', 'asmjsMangle', 'asyncLoad', 'alignMemory', 'mmapAlloc', 'writeI53ToI64', 'writeI53ToI64Clamped', 'writeI53ToI64Signaling', 'writeI53ToU64Clamped', 'writeI53ToU64Signaling', 'readI53FromI64', 'readI53FromU64', 'convertI32PairToI53', 'convertI32PairToI53Checked', 'convertU32PairToI53', 'getCFunc', 'ccall', 'cwrap', 'uleb128Encode', 'sigToWasmTypes', 'generateFuncType', 'convertJsFunctionToWasm', 'freeTableIndexes', 'functionsInTableMap', 'getEmptyTableSlot', 'updateTableMap', 'addFunction', 'removeFunction', 'reallyNegative', 'unSign', 'strLen', 'reSign', 'formatString', 'setValue', 'getValue', 'PATH', 'PATH_FS', 'intArrayFromString', 'intArrayToString', 'AsciiToString', 'stringToAscii', 'UTF16Decoder', 'UTF16ToString', 'stringToUTF16', 'lengthBytesUTF16', 'UTF32ToString', 'stringToUTF32', 'lengthBytesUTF32', 'allocateUTF8', 'allocateUTF8OnStack', 'writeStringToMemory', 'writeArrayToMemory', 'writeAsciiToMemory', 'SYSCALLS', 'getSocketFromFD', 'getSocketAddress', 'JSEvents', 'registerKeyEventCallback', 'specialHTMLTargets', 'maybeCStringToJsString', 'findEventTarget', 'findCanvasEventTarget', 'getBoundingClientRect', 'fillMouseEventData', 'registerMouseEventCallback', 'registerWheelEventCallback', 'registerUiEventCallback', 'registerFocusEventCallback', 'fillDeviceOrientationEventData', 'registerDeviceOrientationEventCallback', 'fillDeviceMotionEventData', 'registerDeviceMotionEventCallback', 'screenOrientation', 'fillOrientationChangeEventData', 'registerOrientationChangeEventCallback', 'fillFullscreenChangeEventData', 'registerFullscreenChangeEventCallback', 'JSEvents_requestFullscreen', 'JSEvents_resizeCanvasForFullscreen', 'registerRestoreOldStyle', 'hideEverythingExceptGivenElement', 'restoreHiddenElements', 'setLetterbox', 'currentFullscreenStrategy', 'restoreOldWindowedStyle', 'softFullscreenResizeWebGLRenderTarget', 'doRequestFullscreen', 'fillPointerlockChangeEventData', 'registerPointerlockChangeEventCallback', 'registerPointerlockErrorEventCallback', 'requestPointerLock', 'fillVisibilityChangeEventData', 'registerVisibilityChangeEventCallback', 'registerTouchEventCallback', 'fillGamepadEventData', 'registerGamepadEventCallback', 'registerBeforeUnloadEventCallback', 'fillBatteryEventData', 'battery', 'registerBatteryEventCallback', 'setCanvasElementSize', 'getCanvasElementSize', 'demangle', 'demangleAll', 'jsStackTrace', 'stackTrace', 'ExitStatus', 'getEnvStrings', 'checkWasiClock', 'flush_NO_FILESYSTEM', 'dlopenMissingError', 'createDyncallWrapper', 'setImmediateWrapped', 'clearImmediateWrapped', 'polyfillSetImmediate', 'uncaughtExceptionCount', 'exceptionLast', 'exceptionCaught', 'ExceptionInfo', 'exception_addRef', 'exception_decRef', 'Browser', 'setMainLoop', 'wget', 'FS', 'MEMFS', 'TTY', 'PIPEFS', 'SOCKFS', '_setNetworkCallback', 'tempFixedLengthArray', 'miniTempWebGLFloatBuffers', 'heapObjectForWebGLType', 'heapAccessShiftForWebGLHeap', 'GL', 'emscriptenWebGLGet', 'computeUnpackAlignedImageSize', 'emscriptenWebGLGetTexPixelData', 'emscriptenWebGLGetUniform', 'webglGetUniformLocation', 'webglPrepareUniformLocationsBeforeFirstUse', 'webglGetLeftBracePos', 'emscriptenWebGLGetVertexAttrib', 'writeGLArray', 'AL', 'SDL_unicode', 'SDL_ttfContext', 'SDL_audio', 'SDL', 'SDL_gfx', 'GLUT', 'EGL', 'GLFW_Window', 'GLFW', 'GLEW', 'IDBStore', 'runAndAbortIfError', 'Asyncify', 'Fibers', 'ALLOC_NORMAL', 'ALLOC_STACK', 'allocate', ]; unexportedRuntimeSymbols.forEach(unexportedRuntimeSymbol); var missingLibrarySymbols = [ 'zeroMemory', 'stringToNewUTF8', 'emscripten_realloc_buffer', 'setErrNo', 'inetPton4', 'inetNtop4', 'inetPton6', 'inetNtop6', 'readSockaddr', 'writeSockaddr', 'getHostByName', 'getRandomDevice', 'traverseStack', 'convertPCtoSourceLocation', 'mainThreadEM_ASM', 'jstoi_q', 'jstoi_s', 'getExecutableName', 'listenOnce', 'autoResumeAudioContext', 'dynCallLegacy', 'getDynCaller', 'dynCall', 'maybeExit', 'asmjsMangle', 'asyncLoad', 'alignMemory', 'mmapAlloc', 'writeI53ToI64', 'writeI53ToI64Clamped', 'writeI53ToI64Signaling', 'writeI53ToU64Clamped', 'writeI53ToU64Signaling', 'readI53FromI64', 'readI53FromU64', 'convertI32PairToI53', 'convertI32PairToI53Checked', 'convertU32PairToI53', 'getCFunc', 'ccall', 'cwrap', 'uleb128Encode', 'generateFuncType', 'convertJsFunctionToWasm', 'getEmptyTableSlot', 'updateTableMap', 'addFunction', 'removeFunction', 'reallyNegative', 'unSign', 'strLen', 'reSign', 'formatString', 'intArrayFromString', 'intArrayToString', 'AsciiToString', 'stringToAscii', 'UTF16ToString', 'stringToUTF16', 'lengthBytesUTF16', 'UTF32ToString', 'stringToUTF32', 'lengthBytesUTF32', 'allocateUTF8', 'allocateUTF8OnStack', 'writeStringToMemory', 'writeArrayToMemory', 'writeAsciiToMemory', 'getSocketFromFD', 'getSocketAddress', 'registerKeyEventCallback', 'maybeCStringToJsString', 'findEventTarget', 'findCanvasEventTarget', 'getBoundingClientRect', 'fillMouseEventData', 'registerMouseEventCallback', 'registerWheelEventCallback', 'registerUiEventCallback', 'registerFocusEventCallback', 'fillDeviceOrientationEventData', 'registerDeviceOrientationEventCallback', 'fillDeviceMotionEventData', 'registerDeviceMotionEventCallback', 'screenOrientation', 'fillOrientationChangeEventData', 'registerOrientationChangeEventCallback', 'fillFullscreenChangeEventData', 'registerFullscreenChangeEventCallback', 'JSEvents_requestFullscreen', 'JSEvents_resizeCanvasForFullscreen', 'registerRestoreOldStyle', 'hideEverythingExceptGivenElement', 'restoreHiddenElements', 'setLetterbox', 'softFullscreenResizeWebGLRenderTarget', 'doRequestFullscreen', 'fillPointerlockChangeEventData', 'registerPointerlockChangeEventCallback', 'registerPointerlockErrorEventCallback', 'requestPointerLock', 'fillVisibilityChangeEventData', 'registerVisibilityChangeEventCallback', 'registerTouchEventCallback', 'fillGamepadEventData', 'registerGamepadEventCallback', 'registerBeforeUnloadEventCallback', 'fillBatteryEventData', 'battery', 'registerBatteryEventCallback', 'setCanvasElementSize', 'getCanvasElementSize', 'demangle', 'demangleAll', 'jsStackTrace', 'stackTrace', 'getEnvStrings', 'checkWasiClock', 'createDyncallWrapper', 'setImmediateWrapped', 'clearImmediateWrapped', 'polyfillSetImmediate', 'ExceptionInfo', 'exception_addRef', 'exception_decRef', 'setMainLoop', '_setNetworkCallback', 'heapObjectForWebGLType', 'heapAccessShiftForWebGLHeap', 'emscriptenWebGLGet', 'computeUnpackAlignedImageSize', 'emscriptenWebGLGetTexPixelData', 'emscriptenWebGLGetUniform', 'webglGetUniformLocation', 'webglPrepareUniformLocationsBeforeFirstUse', 'webglGetLeftBracePos', 'emscriptenWebGLGetVertexAttrib', 'writeGLArray', 'SDL_unicode', 'SDL_ttfContext', 'SDL_audio', 'GLFW_Window', 'ALLOC_NORMAL', 'ALLOC_STACK', 'allocate', ]; missingLibrarySymbols.forEach(missingLibrarySymbol) var calledRun; dependenciesFulfilled = function runCaller() { // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false) if (!calledRun) run(); if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled }; function callMain(args) { 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 = Module['_main']; var argc = 0; var argv = 0; try { var ret = entryFunction(argc, argv); // In PROXY_TO_PTHREAD builds, we should never exit the runtime below, as // execution is asynchronously handed off to a pthread. // 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(); } /** @type {function(Array=)} */ function run(args) { args = args || arguments_; if (runDependencies > 0) { return; } stackCheckInit(); preRun(); // a preRun added a dependency, run will be called later if (runDependencies > 0) { return; } function doRun() { // run may have just been called through dependencies being fulfilled just in this very frame, // or while the async setStatus time below was happening if (calledRun) return; calledRun = true; Module['calledRun'] = true; if (ABORT) return; initRuntime(); preMain(); if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized'](); if (shouldRunNow) callMain(args); 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 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();