// This code implements the `-sMODULARIZE` settings by taking the generated // JS program code (INNER_JS_CODE) and wrapping it in a factory function. // Single threaded MINIMAL_RUNTIME programs do not need access to // document.currentScript, so a simple export declaration is enough. var createModule = (() => { // When MODULARIZE this JS may be executed later, // after document.currentScript is gone, so we save it. // In EXPORT_ES6 mode we can just use 'import.meta.url'. var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined; return async function(moduleArg = {}) { var moduleRtn; // 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 // 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 = moduleArg; // Determine the runtime environment we are in. You can customize this by // setting the ENVIRONMENT setting at compile time (see settings.js). var ENVIRONMENT_IS_WEB = true; var ENVIRONMENT_IS_WORKER = false; var ENVIRONMENT_IS_NODE = false; var ENVIRONMENT_IS_SHELL = false; // --pre-jses are emitted after the Module integration code, so that they can // refer to Module (if they choose; they can also define 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 readAsync, readBinary; if (ENVIRONMENT_IS_SHELL) { const isNode = typeof process == 'object' && process.versions?.node && process.type != 'renderer'; if (isNode || typeof window == 'object' || typeof WorkerGlobalScope != 'undefined') 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) { try { scriptDirectory = new URL('.', _scriptName).href; // includes trailing slash } catch { // Must be a `blob:` or `data:` URL (e.g. `blob:http://site.com/etc/etc`), we cannot // infer anything from them. } if (!(typeof window == 'object' || typeof WorkerGlobalScope != 'undefined')) 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 readAsync = async (url) => { assert(!isFileURI(url), "readAsync does not work with file:// URLs"); var response = await fetch(url, { credentials: 'same-origin' }); if (response.ok) { return response.arrayBuffer(); } throw new Error(response.status + ' : ' + response.url); }; // end include: web_or_worker_shell_read.js } } else { throw new Error('environment detection error'); } var out = console.log.bind(console); var err = console.error.bind(console); 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'; // perform assertions in shell.js after we set up out() and err(), as otherwise // if an assertion fails it cannot print the message assert(!ENVIRONMENT_IS_WORKER, 'worker environment detected but not enabled at build time. Add `worker` to `-sENVIRONMENT` to enable.'); assert(!ENVIRONMENT_IS_NODE, 'node environment detected but not enabled at build time. Add `node` to `-sENVIRONMENT` to enable.'); 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 (typeof WebAssembly != 'object') { err('no native wasm support detected'); } // Wasm globals //======================================== // 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. /** * Indicates whether filename is delivered via file protocol (as opposed to http/https) * @noinline */ var isFileURI = (filename) => filename.startsWith('file://'); // include: runtime_common.js // include: runtime_stack_check.js // Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. function writeStackCookie() { var max = _emscripten_stack_get_end(); assert((max & 3) == 0); // If the stack ends at address zero we write our cookies 4 bytes into the // stack. This prevents interference with SAFE_HEAP and ASAN which also // monitor writes to address zero. if (max == 0) { max += 4; } // The stack grow downwards towards _emscripten_stack_get_end. // We write cookies to the final two words in the stack and detect if they are // ever overwritten. HEAPU32[((max)>>2)] = 0x02135467; HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE; // Also test the global address 0 for integrity. HEAPU32[((0)>>2)] = 1668509029; } function checkStackCookie() { if (ABORT) return; var max = _emscripten_stack_get_end(); // See writeStackCookie(). if (max == 0) { max += 4; } var cookie1 = HEAPU32[((max)>>2)]; var cookie2 = HEAPU32[(((max)+(4))>>2)]; if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) { abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`); } // Also test the global address 0 for integrity. if (HEAPU32[((0)>>2)] != 0x63736d65 /* 'emsc' */) { abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); } } // end include: runtime_stack_check.js // include: runtime_exceptions.js // Base Emscripten EH error class class EmscriptenEH extends Error {} class EmscriptenSjLj extends EmscriptenEH {} class CppException extends EmscriptenEH { constructor(excPtr) { super(excPtr); this.excPtr = excPtr; const excInfo = getExceptionMessage(excPtr); this.name = excInfo[0]; this.message = excInfo[1]; } } // end include: runtime_exceptions.js // include: runtime_debug.js var runtimeDebug = true; // Switch to false at runtime to disable logging at the right times // Used by XXXXX_DEBUG settings to output debug messages. function dbg(...args) { if (!runtimeDebug && typeof runtimeDebug != 'undefined') return; // TODO(sbc): Make this configurable somehow. Its not always convenient for // logging to show up as warnings. console.warn(...args); } // Endianness check (() => { var h16 = new Int16Array(1); var h8 = new Int8Array(h16.buffer); h16[0] = 0x6373; if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)'; })(); function consumedModuleProp(prop) { if (!Object.getOwnPropertyDescriptor(Module, prop)) { Object.defineProperty(Module, prop, { configurable: true, set() { abort(`Attempt to set \`Module.${prop}\` after it has already been processed. This can happen, for example, when code is injected via '--post-js' rather than '--pre-js'`); } }); } } function makeInvalidEarlyAccess(name) { return () => assert(false, `call to '${name}' via reference taken before Wasm module initialization`); } function ignoredModuleProp(prop) { if (Object.getOwnPropertyDescriptor(Module, prop)) { abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`); } } // forcing the filesystem exports a few things by default function isExportedByForceFilesystem(name) { return name === 'FS_createPath' || name === 'FS_createDataFile' || name === 'FS_createPreloadedFile' || name === 'FS_unlink' || name === 'addRunDependency' || // The old FS has some functionality that WasmFS lacks. name === 'FS_createLazyFile' || name === 'FS_createDevice' || name === 'removeRunDependency'; } /** * Intercept access to a global symbol. This enables us to give informative * warnings/errors when folks attempt to use symbols they did not include in * their build, or no symbols that no longer exist. */ function hookGlobalSymbolAccess(sym, func) { // In MODULARIZE mode the generated code runs inside a function scope and not // the global scope, and JavaScript does not provide access to function scopes // so we cannot dynamically modify the scrope using `defineProperty` in this // case. // // In this mode we simply ignore requests for `hookGlobalSymbolAccess`. Since // this is a debug-only feature, skipping it is not major issue. } function missingGlobal(sym, msg) { hookGlobalSymbolAccess(sym, () => { warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`); }); } missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer'); missingGlobal('asm', 'Please use wasmExports instead'); function missingLibrarySymbol(sym) { hookGlobalSymbolAccess(sym, () => { // Can't `abort()` here because it would break code that does runtime // checks. e.g. `if (typeof SDL === 'undefined')`. var msg = `\`${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='${librarySymbol}')`; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } warnOnce(msg); }); // Any symbol that is not included from the JS library is also (by definition) // not exported on the Module object. unexportedRuntimeSymbol(sym); } function unexportedRuntimeSymbol(sym) { if (!Object.getOwnPropertyDescriptor(Module, sym)) { Object.defineProperty(Module, sym, { configurable: true, get() { var msg = `'${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); } }); } } // end include: runtime_debug.js var readyPromiseResolve, readyPromiseReject; // Memory management var wasmMemory; var /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /** @type {!Float64Array} */ HEAPF64; // BigInt64Array type is not correctly defined in closure var /** not-@type {!BigInt64Array} */ HEAP64, /* BigUint64Array type is not correctly defined in closure /** not-@type {!BigUint64Array} */ HEAPU64; var runtimeInitialized = false; function updateMemoryViews() { var b = wasmMemory.buffer; HEAP8 = new Int8Array(b); HEAP16 = new Int16Array(b); HEAPU8 = new Uint8Array(b); HEAPU16 = new Uint16Array(b); HEAP32 = new Int32Array(b); HEAPU32 = new Uint32Array(b); HEAPF32 = new Float32Array(b); HEAPF64 = new Float64Array(b); HEAP64 = new BigInt64Array(b); HEAPU64 = new BigUint64Array(b); } // include: memoryprofiler.js // end include: memoryprofiler.js // end include: runtime_common.js assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, 'JS engine does not provide full typed array support'); function preRun() { if (Module['preRun']) { if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; while (Module['preRun'].length) { addOnPreRun(Module['preRun'].shift()); } } consumedModuleProp('preRun'); // Begin ATPRERUNS hooks callRuntimeCallbacks(onPreRuns); // End ATPRERUNS hooks } function initRuntime() { assert(!runtimeInitialized); runtimeInitialized = true; checkStackCookie(); // Begin ATINITS hooks if (!Module['noFSInit'] && !FS.initialized) FS.init(); TTY.init(); // End ATINITS hooks wasmExports['__wasm_call_ctors'](); // Begin ATPOSTCTORS hooks FS.ignorePermissions = false; // End ATPOSTCTORS hooks } function postRun() { checkStackCookie(); // PThreads reuse the runtime from the main thread. if (Module['postRun']) { if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; while (Module['postRun'].length) { addOnPostRun(Module['postRun'].shift()); } } consumedModuleProp('postRun'); // Begin ATPOSTRUNS hooks callRuntimeCallbacks(onPostRuns); // End ATPOSTRUNS hooks } // 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 dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled var runDependencyTracking = {}; var runDependencyWatcher = null; 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; // 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); readyPromiseReject?.(e); // Throw the error whether or not MODULARIZE is set because abort is used // in code paths apart from instantiation where an exception is expected // to be thrown when abort is called. throw e; } 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); }; } var wasmBinaryFile; function findWasmBinary() { return locateFile('cardcode.wasm'); } 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'; } async function getWasmBinary(binaryFile) { // If we don't have the binary yet, load it asynchronously using readAsync. if (!wasmBinary) { // Fetch the binary using readAsync try { var response = await readAsync(binaryFile); return new Uint8Array(response); } catch { // Fall back to getBinarySync below; } } // Otherwise, getBinarySync should be able to get it synchronously return getBinarySync(binaryFile); } async function instantiateArrayBuffer(binaryFile, imports) { try { var binary = await getWasmBinary(binaryFile); var instance = await WebAssembly.instantiate(binary, imports); return instance; } catch (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); } } async function instantiateAsync(binary, binaryFile, imports) { if (!binary && typeof WebAssembly.instantiateStreaming == 'function' ) { try { var response = fetch(binaryFile, { credentials: 'same-origin' }); var instantiationResult = await WebAssembly.instantiateStreaming(response, imports); return instantiationResult; } catch (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'); // fall back of instantiateArrayBuffer below }; } return instantiateArrayBuffer(binaryFile, imports); } function getWasmImports() { // prepare imports return { 'env': wasmImports, 'wasi_snapshot_preview1': wasmImports, } } // Create the wasm instance. // Receives the wasm imports, returns the exports. async function createWasm() { // 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'); assignWasmExports(wasmExports); 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. return receiveInstance(result['instance']); } var info = getWasmImports(); // 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']) { return new Promise((resolve, reject) => { try { Module['instantiateWasm'](info, (mod, inst) => { resolve(receiveInstance(mod, inst)); }); } catch(e) { err(`Module.instantiateWasm callback failed with error: ${e}`); reject(e); } }); } wasmBinaryFile ??= findWasmBinary(); var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info); var exports = receiveInstantiationResult(result); return exports; } // end include: preamble.js // Begin JS library code class ExitStatus { name = 'ExitStatus'; constructor(status) { this.message = `Program terminated with exit(${status})`; this.status = status; } } var callRuntimeCallbacks = (callbacks) => { while (callbacks.length > 0) { // Pass the module as the first argument. callbacks.shift()(Module); } }; var onPostRuns = []; var addOnPostRun = (cb) => onPostRuns.push(cb); var onPreRuns = []; var addOnPreRun = (cb) => onPreRuns.push(cb); /** * @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': return HEAP64[((ptr)>>3)]; 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 = 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': HEAP64[((ptr)>>3)] = BigInt(value); 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}`); } } 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; err(text); } }; var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder() : undefined; var findStringEnd = (heapOrArray, idx, maxBytesToRead, ignoreNul) => { var maxIdx = idx + maxBytesToRead; if (ignoreNul) return maxIdx; // TextDecoder needs to know the byte length in advance, it doesn't stop on // null terminator by itself. // As a tiny code save trick, compare idx against maxIdx using a negation, // so that maxBytesToRead=undefined/NaN means Infinity. while (heapOrArray[idx] && !(idx >= maxIdx)) ++idx; return idx; }; /** * 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 * @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character. * @return {string} */ var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead, ignoreNul) => { var endPtr = findStringEnd(heapOrArray, idx, maxBytesToRead, ignoreNul); // When using conditional TextDecoder, skip it for short strings as the overhead of the native call is not worth it. 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. * @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character. * @return {string} */ var UTF8ToString = (ptr, maxBytesToRead, ignoreNul) => { assert(typeof ptr == 'number', `UTF8ToString expects a number (got ${typeof ptr})`); return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead, ignoreNul) : ''; }; var ___assert_fail = (condition, filename, line, func) => abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']); var exceptionCaught = []; var uncaughtExceptionCount = 0; var ___cxa_begin_catch = (ptr) => { var info = new ExceptionInfo(ptr); if (!info.get_caught()) { info.set_caught(true); uncaughtExceptionCount--; } info.set_rethrown(false); exceptionCaught.push(info); ___cxa_increment_exception_refcount(ptr); return ___cxa_get_exception_ptr(ptr); }; var exceptionLast = 0; var ___cxa_end_catch = () => { // Clear state flag. _setThrew(0, 0); assert(exceptionCaught.length > 0); // Call destructor if one is registered then clear it. var info = exceptionCaught.pop(); ___cxa_decrement_exception_refcount(info.excPtr); exceptionLast = 0; // XXX in decRef? }; 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)]; } } var setTempRet0 = (val) => __emscripten_tempret_set(val); var findMatchingCatch = (args) => { var thrown = exceptionLast?.excPtr; if (!thrown) { // just pass through the null ptr setTempRet0(0); return 0; } var info = new ExceptionInfo(thrown); info.set_adjusted_ptr(thrown); var thrownType = info.get_type(); if (!thrownType) { // just pass through the thrown ptr setTempRet0(0); return thrown; } // can_catch receives a **, add indirection // The different catch blocks are denoted by different types. // Due to inheritance, those types may not precisely match the // type of the thrown object. Find one which matches, and // return the type of the catch block which should be called. for (var caughtType of args) { if (caughtType === 0 || caughtType === thrownType) { // Catch all clause matched or exactly the same type is caught break; } var adjusted_ptr_addr = info.ptr + 16; if (___cxa_can_catch(caughtType, thrownType, adjusted_ptr_addr)) { setTempRet0(caughtType); return thrown; } } setTempRet0(thrownType); return thrown; }; var ___cxa_find_matching_catch_2 = () => findMatchingCatch([]); var ___cxa_find_matching_catch_3 = (arg0) => findMatchingCatch([arg0]); var ___cxa_rethrow = () => { var info = exceptionCaught.pop(); if (!info) { abort('no exception to throw'); } var ptr = info.excPtr; if (!info.get_rethrown()) { // Only pop if the corresponding push was through rethrow_primary_exception exceptionCaught.push(info); info.set_rethrown(true); info.set_caught(false); uncaughtExceptionCount++; } exceptionLast = new CppException(ptr); throw exceptionLast; }; 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 = new CppException(ptr); uncaughtExceptionCount++; throw exceptionLast; }; var ___cxa_uncaught_exceptions = () => uncaughtExceptionCount; var ___resumeException = (ptr) => { if (!exceptionLast) { exceptionLast = new CppException(ptr); } throw exceptionLast; }; var __abort_js = () => abort('native code called abort()'); var AsciiToString = (ptr) => { var str = ''; while (1) { var ch = HEAPU8[ptr++]; if (!ch) return str; str += String.fromCharCode(ch); } }; var awaitingDependencies = { }; var registeredTypes = { }; var typeDependencies = { }; var BindingError = class BindingError extends Error { constructor(message) { super(message); this.name = 'BindingError'; }}; var throwBindingError = (message) => { throw new BindingError(message); }; /** @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 '${name}' twice`); } } registeredTypes[rawType] = registeredInstance; delete typeDependencies[rawType]; if (awaitingDependencies.hasOwnProperty(rawType)) { var callbacks = awaitingDependencies[rawType]; delete awaitingDependencies[rawType]; callbacks.forEach((cb) => cb()); } } /** @param {Object=} options */ function registerType(rawType, registeredInstance, options = {}) { return sharedRegisterType(rawType, registeredInstance, options); } var integerReadValueFromPointer = (name, width, signed) => { // integers are quite common, so generate very specialized functions switch (width) { case 1: return signed ? (pointer) => HEAP8[pointer] : (pointer) => HEAPU8[pointer]; case 2: return signed ? (pointer) => HEAP16[((pointer)>>1)] : (pointer) => HEAPU16[((pointer)>>1)] case 4: return signed ? (pointer) => HEAP32[((pointer)>>2)] : (pointer) => HEAPU32[((pointer)>>2)] case 8: return signed ? (pointer) => HEAP64[((pointer)>>3)] : (pointer) => HEAPU64[((pointer)>>3)] default: throw new TypeError(`invalid integer width (${width}): ${name}`); } }; var embindRepr = (v) => { if (v === null) { return 'null'; } var t = typeof v; if (t === 'object' || t === 'array' || t === 'function') { return v.toString(); } else { return '' + v; } }; var assertIntegerRange = (typeName, value, minRange, maxRange) => { if (value < minRange || value > maxRange) { throw new TypeError(`Passing a number "${embindRepr(value)}" from JS side to C/C++ side to an argument of type "${typeName}", which is outside the valid range [${minRange}, ${maxRange}]!`); } }; /** @suppress {globalThis} */ var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => { name = AsciiToString(name); const isUnsignedType = minRange === 0n; let fromWireType = (value) => value; if (isUnsignedType) { // uint64 get converted to int64 in ABI, fix them up like we do for 32-bit integers. const bitSize = size * 8; fromWireType = (value) => { return BigInt.asUintN(bitSize, value); } maxRange = fromWireType(maxRange); } registerType(primitiveType, { name, fromWireType: fromWireType, toWireType: (destructors, value) => { if (typeof value == "number") { value = BigInt(value); } else if (typeof value != "bigint") { throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${this.name}`); } assertIntegerRange(name, value, minRange, maxRange); return value; }, readValueFromPointer: integerReadValueFromPointer(name, size, !isUnsignedType), destructorFunction: null, // This type does not need a destructor }); }; /** @suppress {globalThis} */ var __embind_register_bool = (rawType, name, trueValue, falseValue) => { name = AsciiToString(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; }, readValueFromPointer: function(pointer) { return this.fromWireType(HEAPU8[pointer]); }, destructorFunction: null, // This type does not need a destructor }); }; var emval_freelist = []; var emval_handles = [0,1,,1,null,1,true,1,false,1]; 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 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: ${handle}`); return emval_handles[handle]; }, toHandle:(value) => { switch (value) { case undefined: return 2; case null: return 4; case true: return 6; case false: return 8; default:{ const handle = emval_freelist.pop() || emval_handles.length; emval_handles[handle] = value; emval_handles[handle + 1] = 1; return handle; } } }, }; /** @suppress {globalThis} */ function readPointer(pointer) { return this.fromWireType(HEAPU32[((pointer)>>2)]); } var EmValType = { name: 'emscripten::val', fromWireType: (handle) => { var rv = Emval.toValue(handle); __emval_decref(handle); return rv; }, toWireType: (destructors, value) => Emval.toHandle(value), readValueFromPointer: readPointer, destructorFunction: null, // This type does not need a destructor // TODO: do we need a deleteObject here? write a test where // emval is passed into JS via an interface }; var __embind_register_emval = (rawType) => registerType(rawType, EmValType); var floatReadValueFromPointer = (name, width) => { switch (width) { case 4: return function(pointer) { return this.fromWireType(HEAPF32[((pointer)>>2)]); }; case 8: return function(pointer) { return this.fromWireType(HEAPF64[((pointer)>>3)]); }; default: throw new TypeError(`invalid float width (${width}): ${name}`); } }; var __embind_register_float = (rawType, name, size) => { name = AsciiToString(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 ${this.name}`); } // The VM will perform JS to Wasm value conversion, according to the spec: // https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue return value; }, readValueFromPointer: floatReadValueFromPointer(name, size), destructorFunction: null, // This type does not need a destructor }); }; var createNamedFunction = (name, func) => Object.defineProperty(func, 'name', { value: name }); var runDestructors = (destructors) => { while (destructors.length) { var ptr = destructors.pop(); var del = destructors.pop(); del(ptr); } }; function usesDestructorStack(argTypes) { // Skip return value at index 0 - it's not deleted here. for (var i = 1; i < argTypes.length; ++i) { // The type does not define a destructor function - must use dynamic stack if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) { return true; } } return false; } function checkArgCount(numArgs, minArgs, maxArgs, humanName, throwBindingError) { if (numArgs < minArgs || numArgs > maxArgs) { var argCountMessage = minArgs == maxArgs ? minArgs : `${minArgs} to ${maxArgs}`; throwBindingError(`function ${humanName} called with ${numArgs} arguments, expected ${argCountMessage}`); } } function createJsInvoker(argTypes, isClassMethodFunc, returns, isAsync) { var needsDestructorStack = usesDestructorStack(argTypes); var argCount = argTypes.length - 2; var argsList = []; var argsListWired = ['fn']; if (isClassMethodFunc) { argsListWired.push('thisWired'); } for (var i = 0; i < argCount; ++i) { argsList.push(`arg${i}`) argsListWired.push(`arg${i}Wired`) } argsList = argsList.join(',') argsListWired = argsListWired.join(',') var invokerFnBody = `return function (${argsList}) {\n`; invokerFnBody += "checkArgCount(arguments.length, minArgs, maxArgs, humanName, throwBindingError);\n"; if (needsDestructorStack) { invokerFnBody += "var destructors = [];\n"; } var dtorStack = needsDestructorStack ? "destructors" : "null"; var args1 = ["humanName", "throwBindingError", "invoker", "fn", "runDestructors", "fromRetWire", "toClassParamWire"]; if (isClassMethodFunc) { invokerFnBody += `var thisWired = toClassParamWire(${dtorStack}, this);\n`; } for (var i = 0; i < argCount; ++i) { var argName = `toArg${i}Wire`; invokerFnBody += `var arg${i}Wired = ${argName}(${dtorStack}, arg${i});\n`; args1.push(argName); } invokerFnBody += (returns || isAsync ? "var rv = ":"") + `invoker(${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 = fromRetWire(rv);\n" + "return ret;\n"; } else { } invokerFnBody += "}\n"; args1.push('checkArgCount', 'minArgs', 'maxArgs'); invokerFnBody = `if (arguments.length !== ${args1.length}){ throw new Error(humanName + "Expected ${args1.length} closure arguments " + arguments.length + " given."); }\n${invokerFnBody}`; return new Function(args1, invokerFnBody); } function getRequiredArgCount(argTypes) { var requiredArgCount = argTypes.length - 2; for (var i = argTypes.length - 1; i >= 2; --i) { if (!argTypes[i].optional) { break; } requiredArgCount--; } return requiredArgCount; } 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].isVoid; var expectedArgCount = argCount - 2; var minArgs = getRequiredArgCount(argTypes); // Builld the arguments that will be passed into the closure around the invoker // function. var retType = argTypes[0]; var instType = argTypes[1]; var closureArgs = [humanName, throwBindingError, cppInvokerFunc, cppTargetFunc, runDestructors, retType.fromWireType.bind(retType), instType?.toWireType.bind(instType)]; for (var i = 2; i < argCount; ++i) { var argType = argTypes[i]; closureArgs.push(argType.toWireType.bind(argType)); } if (!needsDestructorStack) { // Skip return value at index 0 - it's not deleted here. Also skip class type if not a method. for (var i = isClassMethodFunc?1:2; i < argTypes.length; ++i) { if (argTypes[i].destructorFunction !== null) { closureArgs.push(argTypes[i].destructorFunction); } } } closureArgs.push(checkArgCount, minArgs, expectedArgCount); let invokerFactory = createJsInvoker(argTypes, isClassMethodFunc, returns, isAsync); var invokerFn = invokerFactory(...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[name].overloadTable.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; Module[name].argCount = 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; }; var InternalError = class InternalError extends Error { constructor(message) { super(message); this.name = 'InternalError'; }}; var throwInternalError = (message) => { throw new InternalError(message); }; /** @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 wasmTableMirror = []; /** @type {WebAssembly.Table} */ var wasmTable; var getWasmTableEntry = (funcPtr) => { var func = wasmTableMirror[funcPtr]; if (!func) { /** @suppress {checkTypes} */ wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr); } /** @suppress {checkTypes} */ assert(wasmTable.get(funcPtr) == func, 'JavaScript-side Wasm function table mirror is out of date!'); return func; }; var embind__requireFunction = (signature, rawFunction, isAsync = false) => { assert(!isAsync, 'Async bindings are only supported with JSPI.'); signature = AsciiToString(signature); function makeDynCaller() { var rtn = getWasmTableEntry(rawFunction); return rtn; } var fp = makeDynCaller(); if (typeof fp != 'function') { throwBindingError(`unknown function pointer with signature ${signature}: ${rawFunction}`); } return fp; }; class UnboundTypeError extends Error {} var getTypeName = (type) => { var ptr = ___getTypeName(type); var rv = AsciiToString(ptr); _free(ptr); return rv; }; var throwUnboundTypeError = (message, types) => { var unboundTypes = []; var seen = {}; function visit(type) { if (seen[type]) { return; } if (registeredTypes[type]) { return; } if (typeDependencies[type]) { typeDependencies[type].forEach(visit); return; } unboundTypes.push(type); seen[type] = true; } types.forEach(visit); throw new UnboundTypeError(`${message}: ` + unboundTypes.map(getTypeName).join([', '])); }; var whenDependentTypesAreResolved = (myTypes, dependentTypes, getTypeConverters) => { myTypes.forEach((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); } }; var getFunctionName = (signature) => { signature = signature.trim(); const argsIndex = signature.indexOf("("); if (argsIndex === -1) return signature; assert(signature.endsWith(")"), "Parentheses for argument names should match."); return signature.slice(0, argsIndex); }; var __embind_register_function = (name, argCount, rawArgTypesAddr, signature, rawInvoker, fn, isAsync, isNonnullReturn) => { var argTypes = heap32VectorToArray(argCount, rawArgTypesAddr); name = AsciiToString(name); name = getFunctionName(name); rawInvoker = embind__requireFunction(signature, rawInvoker, isAsync); exposePublicSymbol(name, function() { throwUnboundTypeError(`Cannot call ${name} due to unbound types`, argTypes); }, argCount - 1); whenDependentTypesAreResolved([], argTypes, (argTypes) => { var invokerArgsArray = [argTypes[0] /* return value */, null /* no class 'this'*/].concat(argTypes.slice(1) /* actual params */); replacePublicSymbol(name, craftInvokerFunction(name, invokerArgsArray, null /* no class 'this'*/, rawInvoker, fn, isAsync), argCount - 1); return []; }); }; /** @suppress {globalThis} */ var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => { name = AsciiToString(name); const isUnsignedType = minRange === 0; let fromWireType = (value) => value; if (isUnsignedType) { var bitshift = 32 - 8*size; fromWireType = (value) => (value << bitshift) >>> bitshift; maxRange = fromWireType(maxRange); } registerType(primitiveType, { name, fromWireType: fromWireType, toWireType: (destructors, value) => { if (typeof value != "number" && typeof value != "boolean") { throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${name}`); } assertIntegerRange(name, value, minRange, maxRange); // 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; }, 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, BigInt64Array, BigUint64Array, ]; 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 = AsciiToString(name); registerType(rawType, { name, fromWireType: decodeMemoryView, 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) { // 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.codePointAt(i); 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); // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16. // We need to manually skip over the second code unit for correct iteration. i++; } } // 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 = AsciiToString(name); var stdStringIsUTF8 = true; 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) { str = UTF8ToString(payload, length, true); } else { str = ''; for (var i = 0; i < length; ++i) { str += String.fromCharCode(HEAPU8[payload + i]); } } _free(value); return str; }, toWireType(destructors, value) { if (value instanceof ArrayBuffer) { value = new Uint8Array(value); } var length; var valueIsOfTypeString = (typeof value == 'string'); // We accept `string` or array views with single byte elements if (!(valueIsOfTypeString || (ArrayBuffer.isView(value) && value.BYTES_PER_ELEMENT == 1))) { 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 (valueIsOfTypeString) { if (stdStringIsUTF8) { stringToUTF8(value, ptr, length + 1); } else { for (var i = 0; i < length; ++i) { var charCode = value.charCodeAt(i); if (charCode > 255) { _free(base); throwBindingError('String has UTF-16 code units that do not fit in 8 bits'); } HEAPU8[ptr + i] = charCode; } } } else { HEAPU8.set(value, ptr); } if (destructors !== null) { destructors.push(_free, base); } return base; }, readValueFromPointer: readPointer, destructorFunction(ptr) { _free(ptr); }, }); }; var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined;; var UTF16ToString = (ptr, maxBytesToRead, ignoreNul) => { assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!'); var idx = ((ptr)>>1); var endIdx = findStringEnd(HEAPU16, idx, maxBytesToRead / 2, ignoreNul); // When using conditional TextDecoder, skip it for short strings as the overhead of the native call is not worth it. if (endIdx - idx > 16 && UTF16Decoder) return UTF16Decoder.decode(HEAPU16.subarray(idx, endIdx)); // 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 = idx; // If building with TextDecoder, we have already computed the string length // above, so test loop end condition against that i < endIdx; ++i ) { var codeUnit = HEAPU16[i]; // 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) => str.length*2; var UTF32ToString = (ptr, maxBytesToRead, ignoreNul) => { assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!'); var str = ''; var startIdx = ((ptr)>>2); // If maxBytesToRead is not passed explicitly, it will be undefined, and this // will always evaluate to true. This saves on code size. for (var i = 0; !(i >= maxBytesToRead / 4); i++) { var utf32 = HEAPU32[startIdx + i]; if (!utf32 && !ignoreNul) break; str += String.fromCodePoint(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) { var codePoint = str.codePointAt(i); // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16. // We need to manually skip over the second code unit for correct iteration. if (codePoint > 0xFFFF) { i++; } HEAP32[((outPtr)>>2)] = codePoint; 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) { var codePoint = str.codePointAt(i); // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16. // We need to manually skip over the second code unit for correct iteration. if (codePoint > 0xFFFF) { i++; } len += 4; } return len; }; var __embind_register_std_wstring = (rawType, charSize, name) => { name = AsciiToString(name); var decodeString, encodeString, lengthBytesUTF; if (charSize === 2) { decodeString = UTF16ToString; encodeString = stringToUTF16; lengthBytesUTF = lengthBytesUTF16; } else { assert(charSize === 4, 'only 2-byte and 4-byte strings are currently supported'); decodeString = UTF32ToString; encodeString = stringToUTF32; lengthBytesUTF = lengthBytesUTF32; } registerType(rawType, { name, fromWireType: (value) => { // Code mostly taken from _embind_register_std_string fromWireType var length = HEAPU32[((value)>>2)]; var str = decodeString(value + 4, length * charSize, true); _free(value); return str; }, toWireType: (destructors, value) => { if (!(typeof value == 'string')) { throwBindingError(`Cannot pass non-string to C++ string type ${name}`); } // assumes POINTER_SIZE alignment var length = lengthBytesUTF(value); var ptr = _malloc(4 + length + charSize); HEAPU32[((ptr)>>2)] = length / charSize; encodeString(value, ptr + 4, length + charSize); if (destructors !== null) { destructors.push(_free, ptr); } return ptr; }, readValueFromPointer: readPointer, destructorFunction(ptr) { _free(ptr); } }); }; var __embind_register_void = (rawType, name) => { name = AsciiToString(name); registerType(rawType, { isVoid: true, // void return values can be optimized out sometimes name, fromWireType: () => undefined, // TODO: assert if anything else is given? toWireType: (destructors, o) => undefined, }); }; var emval_methodCallers = []; var emval_addMethodCaller = (caller) => { var id = emval_methodCallers.length; emval_methodCallers.push(caller); return id; }; var requireRegisteredType = (rawType, humanName) => { var impl = registeredTypes[rawType]; if (undefined === impl) { throwBindingError(`${humanName} has unknown type ${getTypeName(rawType)}`); } return impl; }; var emval_lookupTypes = (argCount, argTypes) => { var a = new Array(argCount); for (var i = 0; i < argCount; ++i) { a[i] = requireRegisteredType(HEAPU32[(((argTypes)+(i*4))>>2)], `parameter ${i}`); } return a; }; var emval_returnValue = (toReturnWire, destructorsRef, handle) => { var destructors = []; var result = toReturnWire(destructors, handle); if (destructors.length) { // void, primitives and any other types w/o destructors don't need to allocate a handle HEAPU32[((destructorsRef)>>2)] = Emval.toHandle(destructors); } return result; }; var emval_symbols = { }; var getStringOrSymbol = (address) => { var symbol = emval_symbols[address]; if (symbol === undefined) { return AsciiToString(address); } return symbol; }; var __emval_create_invoker = (argCount, argTypesPtr, kind) => { var GenericWireTypeSize = 8; var [retType, ...argTypes] = emval_lookupTypes(argCount, argTypesPtr); var toReturnWire = retType.toWireType.bind(retType); var argFromPtr = argTypes.map(type => type.readValueFromPointer.bind(type)); argCount--; // remove the extracted return type var captures = {'toValue': Emval.toValue}; var args = argFromPtr.map((argFromPtr, i) => { var captureName = `argFromPtr${i}`; captures[captureName] = argFromPtr; return `${captureName}(args${i ? '+' + i * GenericWireTypeSize : ''})`; }); var functionBody; switch (kind){ case 0: functionBody = 'toValue(handle)'; break; case 2: functionBody = 'new (toValue(handle))'; break; case 3: functionBody = ''; break; case 1: captures['getStringOrSymbol'] = getStringOrSymbol; functionBody = 'toValue(handle)[getStringOrSymbol(methodName)]'; break; } functionBody += `(${args})`; if (!retType.isVoid) { captures['toReturnWire'] = toReturnWire; captures['emval_returnValue'] = emval_returnValue; functionBody = `return emval_returnValue(toReturnWire, destructorsRef, ${functionBody})`; } functionBody = `return function (handle, methodName, destructorsRef, args) { ${functionBody} }`; var invokerFunction = new Function(Object.keys(captures), functionBody)(...Object.values(captures)); var functionName = `methodCaller<(${argTypes.map(t => t.name)}) => ${retType.name}>`; return emval_addMethodCaller(createNamedFunction(functionName, invokerFunction)); }; var __emval_get_property = (handle, key) => { handle = Emval.toValue(handle); key = Emval.toValue(key); return Emval.toHandle(handle[key]); }; var __emval_incref = (handle) => { if (handle > 9) { emval_handles[handle + 1] += 1; } }; var __emval_invoke = (caller, handle, methodName, destructorsRef, args) => { return emval_methodCallers[caller](handle, methodName, destructorsRef, args); }; var __emval_new_array_from_memory_view = (view) => { view = Emval.toValue(view); // using for..loop is faster than Array.from var a = new Array(view.length); for (var i = 0; i < view.length; i++) a[i] = view[i]; return Emval.toHandle(a); }; var __emval_run_destructors = (handle) => { var destructors = Emval.toValue(handle); runDestructors(destructors); __emval_decref(handle); }; var __tzset_js = (timezone, daylight, std_name, dst_name) => { // TODO: Use (malleable) environment variables instead of system settings. var currentYear = new Date().getFullYear(); var winter = new Date(currentYear, 0, 1); var summer = new Date(currentYear, 6, 1); var winterOffset = winter.getTimezoneOffset(); var summerOffset = summer.getTimezoneOffset(); // Local standard timezone offset. Local standard time is not adjusted for // daylight savings. This code uses the fact that getTimezoneOffset returns // a greater value during Standard Time versus Daylight Saving Time (DST). // Thus it determines the expected output during Standard Time, and it // compares whether the output of the given date the same (Standard) or less // (DST). var stdTimezoneOffset = Math.max(winterOffset, summerOffset); // timezone is specified as seconds west of UTC ("The external variable // `timezone` shall be set to the difference, in seconds, between // Coordinated Universal Time (UTC) and local standard time."), the same // as returned by stdTimezoneOffset. // See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html HEAPU32[((timezone)>>2)] = stdTimezoneOffset * 60; HEAP32[((daylight)>>2)] = Number(winterOffset != summerOffset); var extractZone = (timezoneOffset) => { // Why inverse sign? // Read here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTimezoneOffset var sign = timezoneOffset >= 0 ? "-" : "+"; var absOffset = Math.abs(timezoneOffset) var hours = String(Math.floor(absOffset / 60)).padStart(2, "0"); var minutes = String(absOffset % 60).padStart(2, "0"); return `UTC${sign}${hours}${minutes}`; } var winterName = extractZone(winterOffset); var summerName = extractZone(summerOffset); assert(winterName); assert(summerName); assert(lengthBytesUTF8(winterName) <= 16, `timezone name truncated to fit in TZNAME_MAX (${winterName})`); assert(lengthBytesUTF8(summerName) <= 16, `timezone name truncated to fit in TZNAME_MAX (${summerName})`); if (summerOffset < winterOffset) { // Northern hemisphere stringToUTF8(winterName, std_name, 17); stringToUTF8(summerName, dst_name, 17); } else { stringToUTF8(winterName, dst_name, 17); stringToUTF8(summerName, std_name, 17); } }; 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 ${HEAP8.length}, (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0`); }; var _emscripten_resize_heap = (requestedSize) => { var oldSize = HEAPU8.length; // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned. requestedSize >>>= 0; abortOnCannotGrowMemory(requestedSize); }; var ENV = { }; var getExecutableName = () => thisProgram || './this.program'; var getEnvStrings = () => { if (!getEnvStrings.strings) { // Default values. // Browser language detection #8751 var lang = ((typeof navigator == 'object' && navigator.language) || 'C').replace('-', '_') + '.UTF-8'; var env = { 'USER': 'web_user', 'LOGNAME': 'web_user', 'PATH': '/', 'PWD': '/', 'HOME': '/home/web_user', 'LANG': lang, '_': getExecutableName() }; // Apply the user-provided values, if any. for (var x in ENV) { // x is a key in ENV; if ENV[x] is undefined, that means it was // explicitly set to be so. We allow user code to do that to // force variables with default values to remain unset. if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x]; } var strings = []; for (var x in env) { strings.push(`${x}=${env[x]}`); } getEnvStrings.strings = strings; } return getEnvStrings.strings; }; var _environ_get = (__environ, environ_buf) => { var bufSize = 0; var envp = 0; for (var string of getEnvStrings()) { var ptr = environ_buf + bufSize; HEAPU32[(((__environ)+(envp))>>2)] = ptr; bufSize += stringToUTF8(string, ptr, Infinity) + 1; envp += 4; } return 0; }; var _environ_sizes_get = (penviron_count, penviron_buf_size) => { var strings = getEnvStrings(); HEAPU32[((penviron_count)>>2)] = strings.length; var bufSize = 0; for (var string of strings) { bufSize += lengthBytesUTF8(string) + 1; } HEAPU32[((penviron_buf_size)>>2)] = bufSize; return 0; }; var PATH = { isAbs:(path) => path.charAt(0) === '/', splitPath:(filename) => { var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; return splitPathRe.exec(filename).slice(1); }, normalizeArray:(parts, allowAboveRoot) => { // if the path tries to go above the root, `up` ends up > 0 var up = 0; for (var i = parts.length - 1; i >= 0; i--) { var last = parts[i]; if (last === '.') { parts.splice(i, 1); } else if (last === '..') { parts.splice(i, 1); up++; } else if (up) { parts.splice(i, 1); up--; } } // if the path is allowed to go above the root, restore leading ..s if (allowAboveRoot) { for (; up; up--) { parts.unshift('..'); } } return parts; }, normalize:(path) => { var isAbsolute = PATH.isAbs(path), trailingSlash = path.slice(-1) === '/'; // Normalize the path path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/'); if (!path && !isAbsolute) { path = '.'; } if (path && trailingSlash) { path += '/'; } return (isAbsolute ? '/' : '') + path; }, dirname:(path) => { var result = PATH.splitPath(path), root = result[0], dir = result[1]; if (!root && !dir) { // No dirname whatsoever return '.'; } if (dir) { // It has a dirname, strip trailing slash dir = dir.slice(0, -1); } return root + dir; }, basename:(path) => path && path.match(/([^\/]+|\/)\/*$/)[1], join:(...paths) => PATH.normalize(paths.join('/')), join2:(l, r) => PATH.normalize(l + '/' + r), }; var initRandomFill = () => { return (view) => crypto.getRandomValues(view); }; var randomFill = (view) => { // Lazily init on the first invocation. (randomFill = initRandomFill())(view); }; var PATH_FS = { resolve:(...args) => { var resolvedPath = '', resolvedAbsolute = false; for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) { var path = (i >= 0) ? args[i] : FS.cwd(); // Skip empty and invalid entries if (typeof path != 'string') { throw new TypeError('Arguments to path.resolve must be strings'); } else if (!path) { return ''; // an invalid portion invalidates the whole thing } resolvedPath = path + '/' + resolvedPath; resolvedAbsolute = PATH.isAbs(path); } // At this point the path should be resolved to a full absolute path, but // handle relative paths to be safe (might happen when process.cwd() fails) resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter((p) => !!p), !resolvedAbsolute).join('/'); return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; }, relative:(from, to) => { from = PATH_FS.resolve(from).slice(1); to = PATH_FS.resolve(to).slice(1); function trim(arr) { var start = 0; for (; start < arr.length; start++) { if (arr[start] !== '') break; } var end = arr.length - 1; for (; end >= 0; end--) { if (arr[end] !== '') break; } if (start > end) return []; return arr.slice(start, end - start + 1); } var fromParts = trim(from.split('/')); var toParts = trim(to.split('/')); var length = Math.min(fromParts.length, toParts.length); var samePartsLength = length; for (var i = 0; i < length; i++) { if (fromParts[i] !== toParts[i]) { samePartsLength = i; break; } } var outputParts = []; for (var i = samePartsLength; i < fromParts.length; i++) { outputParts.push('..'); } outputParts = outputParts.concat(toParts.slice(samePartsLength)); return outputParts.join('/'); }, }; var FS_stdin_getChar_buffer = []; /** @type {function(string, boolean=, number=)} */ var intArrayFromString = (stringy, dontAddNull, length) => { var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; var u8array = new Array(len); var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); if (dontAddNull) u8array.length = numBytesWritten; return u8array; }; var FS_stdin_getChar = () => { if (!FS_stdin_getChar_buffer.length) { var result = null; if (typeof window != 'undefined' && typeof window.prompt == 'function') { // Browser. result = window.prompt('Input: '); // returns null on cancel if (result !== null) { result += '\n'; } } else {} if (!result) { return null; } FS_stdin_getChar_buffer = intArrayFromString(result, true); } return FS_stdin_getChar_buffer.shift(); }; var TTY = { ttys:[], init() { // https://github.com/emscripten-core/emscripten/pull/1555 // if (ENVIRONMENT_IS_NODE) { // // currently, FS.init does not distinguish if process.stdin is a file or TTY // // device, it always assumes it's a TTY device. because of this, we're forcing // // process.stdin to UTF8 encoding to at least make stdin reading compatible // // with text files until FS.init can be refactored. // process.stdin.setEncoding('utf8'); // } }, shutdown() { // https://github.com/emscripten-core/emscripten/pull/1555 // if (ENVIRONMENT_IS_NODE) { // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)? // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists? // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call // process.stdin.pause(); // } }, register(dev, ops) { TTY.ttys[dev] = { input: [], output: [], ops: ops }; FS.registerDevice(dev, TTY.stream_ops); }, stream_ops:{ open(stream) { var tty = TTY.ttys[stream.node.rdev]; if (!tty) { throw new FS.ErrnoError(43); } stream.tty = tty; stream.seekable = false; }, close(stream) { // flush any pending line data stream.tty.ops.fsync(stream.tty); }, fsync(stream) { stream.tty.ops.fsync(stream.tty); }, read(stream, buffer, offset, length, pos /* ignored */) { if (!stream.tty || !stream.tty.ops.get_char) { throw new FS.ErrnoError(60); } var bytesRead = 0; for (var i = 0; i < length; i++) { var result; try { result = stream.tty.ops.get_char(stream.tty); } catch (e) { throw new FS.ErrnoError(29); } if (result === undefined && bytesRead === 0) { throw new FS.ErrnoError(6); } if (result === null || result === undefined) break; bytesRead++; buffer[offset+i] = result; } if (bytesRead) { stream.node.atime = Date.now(); } return bytesRead; }, write(stream, buffer, offset, length, pos) { if (!stream.tty || !stream.tty.ops.put_char) { throw new FS.ErrnoError(60); } try { for (var i = 0; i < length; i++) { stream.tty.ops.put_char(stream.tty, buffer[offset+i]); } } catch (e) { throw new FS.ErrnoError(29); } if (length) { stream.node.mtime = stream.node.ctime = Date.now(); } return i; }, }, default_tty_ops:{ get_char(tty) { return FS_stdin_getChar(); }, put_char(tty, val) { if (val === null || val === 10) { out(UTF8ArrayToString(tty.output)); tty.output = []; } else { if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle. } }, fsync(tty) { if (tty.output?.length > 0) { out(UTF8ArrayToString(tty.output)); tty.output = []; } }, ioctl_tcgets(tty) { // typical setting return { c_iflag: 25856, c_oflag: 5, c_cflag: 191, c_lflag: 35387, c_cc: [ 0x03, 0x1c, 0x7f, 0x15, 0x04, 0x00, 0x01, 0x00, 0x11, 0x13, 0x1a, 0x00, 0x12, 0x0f, 0x17, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] }; }, ioctl_tcsets(tty, optional_actions, data) { // currently just ignore return 0; }, ioctl_tiocgwinsz(tty) { return [24, 80]; }, }, default_tty1_ops:{ put_char(tty, val) { if (val === null || val === 10) { err(UTF8ArrayToString(tty.output)); tty.output = []; } else { if (val != 0) tty.output.push(val); } }, fsync(tty) { if (tty.output?.length > 0) { err(UTF8ArrayToString(tty.output)); tty.output = []; } }, }, }; var mmapAlloc = (size) => { abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported'); }; var MEMFS = { ops_table:null, mount(mount) { return MEMFS.createNode(null, '/', 16895, 0); }, createNode(parent, name, mode, dev) { if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { // no supported throw new FS.ErrnoError(63); } MEMFS.ops_table ||= { dir: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr, lookup: MEMFS.node_ops.lookup, mknod: MEMFS.node_ops.mknod, rename: MEMFS.node_ops.rename, unlink: MEMFS.node_ops.unlink, rmdir: MEMFS.node_ops.rmdir, readdir: MEMFS.node_ops.readdir, symlink: MEMFS.node_ops.symlink }, stream: { llseek: MEMFS.stream_ops.llseek } }, file: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr }, stream: { llseek: MEMFS.stream_ops.llseek, read: MEMFS.stream_ops.read, write: MEMFS.stream_ops.write, mmap: MEMFS.stream_ops.mmap, msync: MEMFS.stream_ops.msync } }, link: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr, readlink: MEMFS.node_ops.readlink }, stream: {} }, chrdev: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr }, stream: FS.chrdev_stream_ops } }; var node = FS.createNode(parent, name, mode, dev); if (FS.isDir(node.mode)) { node.node_ops = MEMFS.ops_table.dir.node; node.stream_ops = MEMFS.ops_table.dir.stream; node.contents = {}; } else if (FS.isFile(node.mode)) { node.node_ops = MEMFS.ops_table.file.node; node.stream_ops = MEMFS.ops_table.file.stream; node.usedBytes = 0; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity. // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme. node.contents = null; } else if (FS.isLink(node.mode)) { node.node_ops = MEMFS.ops_table.link.node; node.stream_ops = MEMFS.ops_table.link.stream; } else if (FS.isChrdev(node.mode)) { node.node_ops = MEMFS.ops_table.chrdev.node; node.stream_ops = MEMFS.ops_table.chrdev.stream; } node.atime = node.mtime = node.ctime = Date.now(); // add the new node to the parent if (parent) { parent.contents[name] = node; parent.atime = parent.mtime = parent.ctime = node.atime; } return node; }, getFileDataAsTypedArray(node) { if (!node.contents) return new Uint8Array(0); if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes. return new Uint8Array(node.contents); }, expandFileStorage(node, newCapacity) { var prevCapacity = node.contents ? node.contents.length : 0; if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough. // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity. // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to // avoid overshooting the allocation cap by a very large margin. var CAPACITY_DOUBLING_MAX = 1024 * 1024; newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0); if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding. var oldContents = node.contents; node.contents = new Uint8Array(newCapacity); // Allocate new storage. if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage. }, resizeFileStorage(node, newSize) { if (node.usedBytes == newSize) return; if (newSize == 0) { node.contents = null; // Fully decommit when requesting a resize to zero. node.usedBytes = 0; } else { var oldContents = node.contents; node.contents = new Uint8Array(newSize); // Allocate new storage. if (oldContents) { node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage. } node.usedBytes = newSize; } }, node_ops:{ getattr(node) { var attr = {}; // device numbers reuse inode numbers. attr.dev = FS.isChrdev(node.mode) ? node.id : 1; attr.ino = node.id; attr.mode = node.mode; attr.nlink = 1; attr.uid = 0; attr.gid = 0; attr.rdev = node.rdev; if (FS.isDir(node.mode)) { attr.size = 4096; } else if (FS.isFile(node.mode)) { attr.size = node.usedBytes; } else if (FS.isLink(node.mode)) { attr.size = node.link.length; } else { attr.size = 0; } attr.atime = new Date(node.atime); attr.mtime = new Date(node.mtime); attr.ctime = new Date(node.ctime); // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize), // but this is not required by the standard. attr.blksize = 4096; attr.blocks = Math.ceil(attr.size / attr.blksize); return attr; }, setattr(node, attr) { for (const key of ["mode", "atime", "mtime", "ctime"]) { if (attr[key] != null) { node[key] = attr[key]; } } if (attr.size !== undefined) { MEMFS.resizeFileStorage(node, attr.size); } }, lookup(parent, name) { throw new FS.ErrnoError(44); }, mknod(parent, name, mode, dev) { return MEMFS.createNode(parent, name, mode, dev); }, rename(old_node, new_dir, new_name) { var new_node; try { new_node = FS.lookupNode(new_dir, new_name); } catch (e) {} if (new_node) { if (FS.isDir(old_node.mode)) { // if we're overwriting a directory at new_name, make sure it's empty. for (var i in new_node.contents) { throw new FS.ErrnoError(55); } } FS.hashRemoveNode(new_node); } // do the internal rewiring delete old_node.parent.contents[old_node.name]; new_dir.contents[new_name] = old_node; old_node.name = new_name; new_dir.ctime = new_dir.mtime = old_node.parent.ctime = old_node.parent.mtime = Date.now(); }, unlink(parent, name) { delete parent.contents[name]; parent.ctime = parent.mtime = Date.now(); }, rmdir(parent, name) { var node = FS.lookupNode(parent, name); for (var i in node.contents) { throw new FS.ErrnoError(55); } delete parent.contents[name]; parent.ctime = parent.mtime = Date.now(); }, readdir(node) { return ['.', '..', ...Object.keys(node.contents)]; }, symlink(parent, newname, oldpath) { var node = MEMFS.createNode(parent, newname, 0o777 | 40960, 0); node.link = oldpath; return node; }, readlink(node) { if (!FS.isLink(node.mode)) { throw new FS.ErrnoError(28); } return node.link; }, }, stream_ops:{ read(stream, buffer, offset, length, position) { var contents = stream.node.contents; if (position >= stream.node.usedBytes) return 0; var size = Math.min(stream.node.usedBytes - position, length); assert(size >= 0); if (size > 8 && contents.subarray) { // non-trivial, and typed array buffer.set(contents.subarray(position, position + size), offset); } else { for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]; } return size; }, write(stream, buffer, offset, length, position, canOwn) { // The data buffer should be a typed array view assert(!(buffer instanceof ArrayBuffer)); if (!length) return 0; var node = stream.node; node.mtime = node.ctime = Date.now(); if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array? if (canOwn) { assert(position === 0, 'canOwn must imply no weird position inside the file'); node.contents = buffer.subarray(offset, offset + length); node.usedBytes = length; return length; } else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data. node.contents = buffer.slice(offset, offset + length); node.usedBytes = length; return length; } else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file? node.contents.set(buffer.subarray(offset, offset + length), position); return length; } } // Appending to an existing file and we need to reallocate, or source data did not come as a typed array. MEMFS.expandFileStorage(node, position+length); if (node.contents.subarray && buffer.subarray) { // Use typed array write which is available. node.contents.set(buffer.subarray(offset, offset + length), position); } else { for (var i = 0; i < length; i++) { node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not. } } node.usedBytes = Math.max(node.usedBytes, position + length); return length; }, llseek(stream, offset, whence) { var position = offset; if (whence === 1) { position += stream.position; } else if (whence === 2) { if (FS.isFile(stream.node.mode)) { position += stream.node.usedBytes; } } if (position < 0) { throw new FS.ErrnoError(28); } return position; }, mmap(stream, length, position, prot, flags) { if (!FS.isFile(stream.node.mode)) { throw new FS.ErrnoError(43); } var ptr; var allocated; var contents = stream.node.contents; // Only make a new copy when MAP_PRIVATE is specified. if (!(flags & 2) && contents && contents.buffer === HEAP8.buffer) { // We can't emulate MAP_SHARED when the file is not backed by the // buffer we're mapping to (e.g. the HEAP buffer). allocated = false; ptr = contents.byteOffset; } else { allocated = true; ptr = mmapAlloc(length); if (!ptr) { throw new FS.ErrnoError(48); } if (contents) { // Try to avoid unnecessary slices. if (position > 0 || position + length < contents.length) { if (contents.subarray) { contents = contents.subarray(position, position + length); } else { contents = Array.prototype.slice.call(contents, position, position + length); } } HEAP8.set(contents, ptr); } } return { ptr, allocated }; }, msync(stream, buffer, offset, length, mmapFlags) { MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); // should we check if bytesWritten and length are the same? return 0; }, }, }; var asyncLoad = async (url) => { var arrayBuffer = await readAsync(url); assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`); return new Uint8Array(arrayBuffer); }; var FS_createDataFile = (...args) => FS.createDataFile(...args); var getUniqueRunDependency = (id) => { var orig = id; while (1) { if (!runDependencyTracking[id]) return id; id = orig + Math.random(); } }; var preloadPlugins = []; var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => { // Ensure plugins are ready. if (typeof Browser != 'undefined') Browser.init(); var handled = false; preloadPlugins.forEach((plugin) => { if (handled) return; if (plugin['canHandle'](fullname)) { plugin['handle'](byteArray, fullname, finish, onerror); handled = true; } }); return handled; }; var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { // TODO we should allow people to just pass in a complete filename instead // of parent and name being that we just join them anyways var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent; var dep = getUniqueRunDependency(`cp ${fullname}`); // might have several active requests for the same fullname function processData(byteArray) { function finish(byteArray) { preFinish?.(); if (!dontCreateFile) { FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); } onload?.(); removeRunDependency(dep); } if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => { onerror?.(); removeRunDependency(dep); })) { return; } finish(byteArray); } addRunDependency(dep); if (typeof url == 'string') { asyncLoad(url).then(processData, onerror); } else { processData(url); } }; var FS_modeStringToFlags = (str) => { var flagModes = { 'r': 0, 'r+': 2, 'w': 512 | 64 | 1, 'w+': 512 | 64 | 2, 'a': 1024 | 64 | 1, 'a+': 1024 | 64 | 2, }; var flags = flagModes[str]; if (typeof flags == 'undefined') { throw new Error(`Unknown file open mode: ${str}`); } return flags; }; var FS_getMode = (canRead, canWrite) => { var mode = 0; if (canRead) mode |= 292 | 73; if (canWrite) mode |= 146; return mode; }; var strError = (errno) => UTF8ToString(_strerror(errno)); var ERRNO_CODES = { 'EPERM': 63, 'ENOENT': 44, 'ESRCH': 71, 'EINTR': 27, 'EIO': 29, 'ENXIO': 60, 'E2BIG': 1, 'ENOEXEC': 45, 'EBADF': 8, 'ECHILD': 12, 'EAGAIN': 6, 'EWOULDBLOCK': 6, 'ENOMEM': 48, 'EACCES': 2, 'EFAULT': 21, 'ENOTBLK': 105, 'EBUSY': 10, 'EEXIST': 20, 'EXDEV': 75, 'ENODEV': 43, 'ENOTDIR': 54, 'EISDIR': 31, 'EINVAL': 28, 'ENFILE': 41, 'EMFILE': 33, 'ENOTTY': 59, 'ETXTBSY': 74, 'EFBIG': 22, 'ENOSPC': 51, 'ESPIPE': 70, 'EROFS': 69, 'EMLINK': 34, 'EPIPE': 64, 'EDOM': 18, 'ERANGE': 68, 'ENOMSG': 49, 'EIDRM': 24, 'ECHRNG': 106, 'EL2NSYNC': 156, 'EL3HLT': 107, 'EL3RST': 108, 'ELNRNG': 109, 'EUNATCH': 110, 'ENOCSI': 111, 'EL2HLT': 112, 'EDEADLK': 16, 'ENOLCK': 46, 'EBADE': 113, 'EBADR': 114, 'EXFULL': 115, 'ENOANO': 104, 'EBADRQC': 103, 'EBADSLT': 102, 'EDEADLOCK': 16, 'EBFONT': 101, 'ENOSTR': 100, 'ENODATA': 116, 'ETIME': 117, 'ENOSR': 118, 'ENONET': 119, 'ENOPKG': 120, 'EREMOTE': 121, 'ENOLINK': 47, 'EADV': 122, 'ESRMNT': 123, 'ECOMM': 124, 'EPROTO': 65, 'EMULTIHOP': 36, 'EDOTDOT': 125, 'EBADMSG': 9, 'ENOTUNIQ': 126, 'EBADFD': 127, 'EREMCHG': 128, 'ELIBACC': 129, 'ELIBBAD': 130, 'ELIBSCN': 131, 'ELIBMAX': 132, 'ELIBEXEC': 133, 'ENOSYS': 52, 'ENOTEMPTY': 55, 'ENAMETOOLONG': 37, 'ELOOP': 32, 'EOPNOTSUPP': 138, 'EPFNOSUPPORT': 139, 'ECONNRESET': 15, 'ENOBUFS': 42, 'EAFNOSUPPORT': 5, 'EPROTOTYPE': 67, 'ENOTSOCK': 57, 'ENOPROTOOPT': 50, 'ESHUTDOWN': 140, 'ECONNREFUSED': 14, 'EADDRINUSE': 3, 'ECONNABORTED': 13, 'ENETUNREACH': 40, 'ENETDOWN': 38, 'ETIMEDOUT': 73, 'EHOSTDOWN': 142, 'EHOSTUNREACH': 23, 'EINPROGRESS': 26, 'EALREADY': 7, 'EDESTADDRREQ': 17, 'EMSGSIZE': 35, 'EPROTONOSUPPORT': 66, 'ESOCKTNOSUPPORT': 137, 'EADDRNOTAVAIL': 4, 'ENETRESET': 39, 'EISCONN': 30, 'ENOTCONN': 53, 'ETOOMANYREFS': 141, 'EUSERS': 136, 'EDQUOT': 19, 'ESTALE': 72, 'ENOTSUP': 138, 'ENOMEDIUM': 148, 'EILSEQ': 25, 'EOVERFLOW': 61, 'ECANCELED': 11, 'ENOTRECOVERABLE': 56, 'EOWNERDEAD': 62, 'ESTRPIPE': 135, }; var FS = { root:null, mounts:[], devices:{ }, streams:[], nextInode:1, nameTable:null, currentPath:"/", initialized:false, ignorePermissions:true, filesystems:null, syncFSRequests:0, readFiles:{ }, ErrnoError:class extends Error { name = 'ErrnoError'; // We set the `name` property to be able to identify `FS.ErrnoError` // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway. // - when using PROXYFS, an error can come from an underlying FS // as different FS objects have their own FS.ErrnoError each, // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs. // we'll use the reliable test `err.name == "ErrnoError"` instead constructor(errno) { super(runtimeInitialized ? strError(errno) : ''); this.errno = errno; for (var key in ERRNO_CODES) { if (ERRNO_CODES[key] === errno) { this.code = key; break; } } } }, FSStream:class { shared = {}; get object() { return this.node; } set object(val) { this.node = val; } get isRead() { return (this.flags & 2097155) !== 1; } get isWrite() { return (this.flags & 2097155) !== 0; } get isAppend() { return (this.flags & 1024); } get flags() { return this.shared.flags; } set flags(val) { this.shared.flags = val; } get position() { return this.shared.position; } set position(val) { this.shared.position = val; } }, FSNode:class { node_ops = {}; stream_ops = {}; readMode = 292 | 73; writeMode = 146; mounted = null; constructor(parent, name, mode, rdev) { if (!parent) { parent = this; // root node sets parent to itself } this.parent = parent; this.mount = parent.mount; this.id = FS.nextInode++; this.name = name; this.mode = mode; this.rdev = rdev; this.atime = this.mtime = this.ctime = Date.now(); } get read() { return (this.mode & this.readMode) === this.readMode; } set read(val) { val ? this.mode |= this.readMode : this.mode &= ~this.readMode; } get write() { return (this.mode & this.writeMode) === this.writeMode; } set write(val) { val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode; } get isFolder() { return FS.isDir(this.mode); } get isDevice() { return FS.isChrdev(this.mode); } }, lookupPath(path, opts = {}) { if (!path) { throw new FS.ErrnoError(44); } opts.follow_mount ??= true if (!PATH.isAbs(path)) { path = FS.cwd() + '/' + path; } // limit max consecutive symlinks to 40 (SYMLOOP_MAX). linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) { // split the absolute path var parts = path.split('/').filter((p) => !!p); // start at the root var current = FS.root; var current_path = '/'; for (var i = 0; i < parts.length; i++) { var islast = (i === parts.length-1); if (islast && opts.parent) { // stop resolving break; } if (parts[i] === '.') { continue; } if (parts[i] === '..') { current_path = PATH.dirname(current_path); if (FS.isRoot(current)) { path = current_path + '/' + parts.slice(i + 1).join('/'); // We're making progress here, don't let many consecutive ..'s // lead to ELOOP nlinks--; continue linkloop; } else { current = current.parent; } continue; } current_path = PATH.join2(current_path, parts[i]); try { current = FS.lookupNode(current, parts[i]); } catch (e) { // if noent_okay is true, suppress a ENOENT in the last component // and return an object with an undefined node. This is needed for // resolving symlinks in the path when creating a file. if ((e?.errno === 44) && islast && opts.noent_okay) { return { path: current_path }; } throw e; } // jump to the mount's root node if this is a mountpoint if (FS.isMountpoint(current) && (!islast || opts.follow_mount)) { current = current.mounted.root; } // by default, lookupPath will not follow a symlink if it is the final path component. // setting opts.follow = true will override this behavior. if (FS.isLink(current.mode) && (!islast || opts.follow)) { if (!current.node_ops.readlink) { throw new FS.ErrnoError(52); } var link = current.node_ops.readlink(current); if (!PATH.isAbs(link)) { link = PATH.dirname(current_path) + '/' + link; } path = link + '/' + parts.slice(i + 1).join('/'); continue linkloop; } } return { path: current_path, node: current }; } throw new FS.ErrnoError(32); }, getPath(node) { var path; while (true) { if (FS.isRoot(node)) { var mount = node.mount.mountpoint; if (!path) return mount; return mount[mount.length-1] !== '/' ? `${mount}/${path}` : mount + path; } path = path ? `${node.name}/${path}` : node.name; node = node.parent; } }, hashName(parentid, name) { var hash = 0; for (var i = 0; i < name.length; i++) { hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0; } return ((parentid + hash) >>> 0) % FS.nameTable.length; }, hashAddNode(node) { var hash = FS.hashName(node.parent.id, node.name); node.name_next = FS.nameTable[hash]; FS.nameTable[hash] = node; }, hashRemoveNode(node) { var hash = FS.hashName(node.parent.id, node.name); if (FS.nameTable[hash] === node) { FS.nameTable[hash] = node.name_next; } else { var current = FS.nameTable[hash]; while (current) { if (current.name_next === node) { current.name_next = node.name_next; break; } current = current.name_next; } } }, lookupNode(parent, name) { var errCode = FS.mayLookup(parent); if (errCode) { throw new FS.ErrnoError(errCode); } var hash = FS.hashName(parent.id, name); for (var node = FS.nameTable[hash]; node; node = node.name_next) { var nodeName = node.name; if (node.parent.id === parent.id && nodeName === name) { return node; } } // if we failed to find it in the cache, call into the VFS return FS.lookup(parent, name); }, createNode(parent, name, mode, rdev) { assert(typeof parent == 'object') var node = new FS.FSNode(parent, name, mode, rdev); FS.hashAddNode(node); return node; }, destroyNode(node) { FS.hashRemoveNode(node); }, isRoot(node) { return node === node.parent; }, isMountpoint(node) { return !!node.mounted; }, isFile(mode) { return (mode & 61440) === 32768; }, isDir(mode) { return (mode & 61440) === 16384; }, isLink(mode) { return (mode & 61440) === 40960; }, isChrdev(mode) { return (mode & 61440) === 8192; }, isBlkdev(mode) { return (mode & 61440) === 24576; }, isFIFO(mode) { return (mode & 61440) === 4096; }, isSocket(mode) { return (mode & 49152) === 49152; }, flagsToPermissionString(flag) { var perms = ['r', 'w', 'rw'][flag & 3]; if ((flag & 512)) { perms += 'w'; } return perms; }, nodePermissions(node, perms) { if (FS.ignorePermissions) { return 0; } // return 0 if any user, group or owner bits are set. if (perms.includes('r') && !(node.mode & 292)) { return 2; } else if (perms.includes('w') && !(node.mode & 146)) { return 2; } else if (perms.includes('x') && !(node.mode & 73)) { return 2; } return 0; }, mayLookup(dir) { if (!FS.isDir(dir.mode)) return 54; var errCode = FS.nodePermissions(dir, 'x'); if (errCode) return errCode; if (!dir.node_ops.lookup) return 2; return 0; }, mayCreate(dir, name) { if (!FS.isDir(dir.mode)) { return 54; } try { var node = FS.lookupNode(dir, name); return 20; } catch (e) { } return FS.nodePermissions(dir, 'wx'); }, mayDelete(dir, name, isdir) { var node; try { node = FS.lookupNode(dir, name); } catch (e) { return e.errno; } var errCode = FS.nodePermissions(dir, 'wx'); if (errCode) { return errCode; } if (isdir) { if (!FS.isDir(node.mode)) { return 54; } if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { return 10; } } else { if (FS.isDir(node.mode)) { return 31; } } return 0; }, mayOpen(node, flags) { if (!node) { return 44; } if (FS.isLink(node.mode)) { return 32; } else if (FS.isDir(node.mode)) { if (FS.flagsToPermissionString(flags) !== 'r' // opening for write || (flags & (512 | 64))) { // TODO: check for O_SEARCH? (== search for dir only) return 31; } } return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); }, checkOpExists(op, err) { if (!op) { throw new FS.ErrnoError(err); } return op; }, MAX_OPEN_FDS:4096, nextfd() { for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) { if (!FS.streams[fd]) { return fd; } } throw new FS.ErrnoError(33); }, getStreamChecked(fd) { var stream = FS.getStream(fd); if (!stream) { throw new FS.ErrnoError(8); } return stream; }, getStream:(fd) => FS.streams[fd], createStream(stream, fd = -1) { assert(fd >= -1); // clone it, so we can return an instance of FSStream stream = Object.assign(new FS.FSStream(), stream); if (fd == -1) { fd = FS.nextfd(); } stream.fd = fd; FS.streams[fd] = stream; return stream; }, closeStream(fd) { FS.streams[fd] = null; }, dupStream(origStream, fd = -1) { var stream = FS.createStream(origStream, fd); stream.stream_ops?.dup?.(stream); return stream; }, doSetAttr(stream, node, attr) { var setattr = stream?.stream_ops.setattr; var arg = setattr ? stream : node; setattr ??= node.node_ops.setattr; FS.checkOpExists(setattr, 63) setattr(arg, attr); }, chrdev_stream_ops:{ open(stream) { var device = FS.getDevice(stream.node.rdev); // override node's stream ops with the device's stream.stream_ops = device.stream_ops; // forward the open call stream.stream_ops.open?.(stream); }, llseek() { throw new FS.ErrnoError(70); }, }, major:(dev) => ((dev) >> 8), minor:(dev) => ((dev) & 0xff), makedev:(ma, mi) => ((ma) << 8 | (mi)), registerDevice(dev, ops) { FS.devices[dev] = { stream_ops: ops }; }, getDevice:(dev) => FS.devices[dev], getMounts(mount) { var mounts = []; var check = [mount]; while (check.length) { var m = check.pop(); mounts.push(m); check.push(...m.mounts); } return mounts; }, syncfs(populate, callback) { if (typeof populate == 'function') { callback = populate; populate = false; } FS.syncFSRequests++; if (FS.syncFSRequests > 1) { err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`); } var mounts = FS.getMounts(FS.root.mount); var completed = 0; function doCallback(errCode) { assert(FS.syncFSRequests > 0); FS.syncFSRequests--; return callback(errCode); } function done(errCode) { if (errCode) { if (!done.errored) { done.errored = true; return doCallback(errCode); } return; } if (++completed >= mounts.length) { doCallback(null); } }; // sync all mounts mounts.forEach((mount) => { if (!mount.type.syncfs) { return done(null); } mount.type.syncfs(mount, populate, done); }); }, mount(type, opts, mountpoint) { if (typeof type == 'string') { // The filesystem was not included, and instead we have an error // message stored in the variable. throw type; } var root = mountpoint === '/'; var pseudo = !mountpoint; var node; if (root && FS.root) { throw new FS.ErrnoError(10); } else if (!root && !pseudo) { var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); mountpoint = lookup.path; // use the absolute path node = lookup.node; if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10); } if (!FS.isDir(node.mode)) { throw new FS.ErrnoError(54); } } var mount = { type, opts, mountpoint, mounts: [] }; // create a root node for the fs var mountRoot = type.mount(mount); mountRoot.mount = mount; mount.root = mountRoot; if (root) { FS.root = mountRoot; } else if (node) { // set as a mountpoint node.mounted = mount; // add the new mount to the current mount's children if (node.mount) { node.mount.mounts.push(mount); } } return mountRoot; }, unmount(mountpoint) { var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); if (!FS.isMountpoint(lookup.node)) { throw new FS.ErrnoError(28); } // destroy the nodes for this mount, and all its child mounts var node = lookup.node; var mount = node.mounted; var mounts = FS.getMounts(mount); Object.keys(FS.nameTable).forEach((hash) => { var current = FS.nameTable[hash]; while (current) { var next = current.name_next; if (mounts.includes(current.mount)) { FS.destroyNode(current); } current = next; } }); // no longer a mountpoint node.mounted = null; // remove this mount from the child mounts var idx = node.mount.mounts.indexOf(mount); assert(idx !== -1); node.mount.mounts.splice(idx, 1); }, lookup(parent, name) { return parent.node_ops.lookup(parent, name); }, mknod(path, mode, dev) { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; var name = PATH.basename(path); if (!name) { throw new FS.ErrnoError(28); } if (name === '.' || name === '..') { throw new FS.ErrnoError(20); } var errCode = FS.mayCreate(parent, name); if (errCode) { throw new FS.ErrnoError(errCode); } if (!parent.node_ops.mknod) { throw new FS.ErrnoError(63); } return parent.node_ops.mknod(parent, name, mode, dev); }, statfs(path) { return FS.statfsNode(FS.lookupPath(path, {follow: true}).node); }, statfsStream(stream) { // We keep a separate statfsStream function because noderawfs overrides // it. In noderawfs, stream.node is sometimes null. Instead, we need to // look at stream.path. return FS.statfsNode(stream.node); }, statfsNode(node) { // NOTE: None of the defaults here are true. We're just returning safe and // sane values. Currently nodefs and rawfs replace these defaults, // other file systems leave them alone. var rtn = { bsize: 4096, frsize: 4096, blocks: 1e6, bfree: 5e5, bavail: 5e5, files: FS.nextInode, ffree: FS.nextInode - 1, fsid: 42, flags: 2, namelen: 255, }; if (node.node_ops.statfs) { Object.assign(rtn, node.node_ops.statfs(node.mount.opts.root)); } return rtn; }, create(path, mode = 0o666) { mode &= 4095; mode |= 32768; return FS.mknod(path, mode, 0); }, mkdir(path, mode = 0o777) { mode &= 511 | 512; mode |= 16384; return FS.mknod(path, mode, 0); }, mkdirTree(path, mode) { var dirs = path.split('/'); var d = ''; for (var dir of dirs) { if (!dir) continue; if (d || PATH.isAbs(path)) d += '/'; d += dir; try { FS.mkdir(d, mode); } catch(e) { if (e.errno != 20) throw e; } } }, mkdev(path, mode, dev) { if (typeof dev == 'undefined') { dev = mode; mode = 0o666; } mode |= 8192; return FS.mknod(path, mode, dev); }, symlink(oldpath, newpath) { if (!PATH_FS.resolve(oldpath)) { throw new FS.ErrnoError(44); } var lookup = FS.lookupPath(newpath, { parent: true }); var parent = lookup.node; if (!parent) { throw new FS.ErrnoError(44); } var newname = PATH.basename(newpath); var errCode = FS.mayCreate(parent, newname); if (errCode) { throw new FS.ErrnoError(errCode); } if (!parent.node_ops.symlink) { throw new FS.ErrnoError(63); } return parent.node_ops.symlink(parent, newname, oldpath); }, rename(old_path, new_path) { var old_dirname = PATH.dirname(old_path); var new_dirname = PATH.dirname(new_path); var old_name = PATH.basename(old_path); var new_name = PATH.basename(new_path); // parents must exist var lookup, old_dir, new_dir; // let the errors from non existent directories percolate up lookup = FS.lookupPath(old_path, { parent: true }); old_dir = lookup.node; lookup = FS.lookupPath(new_path, { parent: true }); new_dir = lookup.node; if (!old_dir || !new_dir) throw new FS.ErrnoError(44); // need to be part of the same mount if (old_dir.mount !== new_dir.mount) { throw new FS.ErrnoError(75); } // source must exist var old_node = FS.lookupNode(old_dir, old_name); // old path should not be an ancestor of the new path var relative = PATH_FS.relative(old_path, new_dirname); if (relative.charAt(0) !== '.') { throw new FS.ErrnoError(28); } // new path should not be an ancestor of the old path relative = PATH_FS.relative(new_path, old_dirname); if (relative.charAt(0) !== '.') { throw new FS.ErrnoError(55); } // see if the new path already exists var new_node; try { new_node = FS.lookupNode(new_dir, new_name); } catch (e) { // not fatal } // early out if nothing needs to change if (old_node === new_node) { return; } // we'll need to delete the old entry var isdir = FS.isDir(old_node.mode); var errCode = FS.mayDelete(old_dir, old_name, isdir); if (errCode) { throw new FS.ErrnoError(errCode); } // need delete permissions if we'll be overwriting. // need create permissions if new doesn't already exist. errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name); if (errCode) { throw new FS.ErrnoError(errCode); } if (!old_dir.node_ops.rename) { throw new FS.ErrnoError(63); } if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) { throw new FS.ErrnoError(10); } // if we are going to change the parent, check write permissions if (new_dir !== old_dir) { errCode = FS.nodePermissions(old_dir, 'w'); if (errCode) { throw new FS.ErrnoError(errCode); } } // remove the node from the lookup hash FS.hashRemoveNode(old_node); // do the underlying fs rename try { old_dir.node_ops.rename(old_node, new_dir, new_name); // update old node (we do this here to avoid each backend // needing to) old_node.parent = new_dir; } catch (e) { throw e; } finally { // add the node back to the hash (in case node_ops.rename // changed its name) FS.hashAddNode(old_node); } }, rmdir(path) { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; var name = PATH.basename(path); var node = FS.lookupNode(parent, name); var errCode = FS.mayDelete(parent, name, true); if (errCode) { throw new FS.ErrnoError(errCode); } if (!parent.node_ops.rmdir) { throw new FS.ErrnoError(63); } if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10); } parent.node_ops.rmdir(parent, name); FS.destroyNode(node); }, readdir(path) { var lookup = FS.lookupPath(path, { follow: true }); var node = lookup.node; var readdir = FS.checkOpExists(node.node_ops.readdir, 54); return readdir(node); }, unlink(path) { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; if (!parent) { throw new FS.ErrnoError(44); } var name = PATH.basename(path); var node = FS.lookupNode(parent, name); var errCode = FS.mayDelete(parent, name, false); if (errCode) { // According to POSIX, we should map EISDIR to EPERM, but // we instead do what Linux does (and we must, as we use // the musl linux libc). throw new FS.ErrnoError(errCode); } if (!parent.node_ops.unlink) { throw new FS.ErrnoError(63); } if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10); } parent.node_ops.unlink(parent, name); FS.destroyNode(node); }, readlink(path) { var lookup = FS.lookupPath(path); var link = lookup.node; if (!link) { throw new FS.ErrnoError(44); } if (!link.node_ops.readlink) { throw new FS.ErrnoError(28); } return link.node_ops.readlink(link); }, stat(path, dontFollow) { var lookup = FS.lookupPath(path, { follow: !dontFollow }); var node = lookup.node; var getattr = FS.checkOpExists(node.node_ops.getattr, 63); return getattr(node); }, fstat(fd) { var stream = FS.getStreamChecked(fd); var node = stream.node; var getattr = stream.stream_ops.getattr; var arg = getattr ? stream : node; getattr ??= node.node_ops.getattr; FS.checkOpExists(getattr, 63) return getattr(arg); }, lstat(path) { return FS.stat(path, true); }, doChmod(stream, node, mode, dontFollow) { FS.doSetAttr(stream, node, { mode: (mode & 4095) | (node.mode & ~4095), ctime: Date.now(), dontFollow }); }, chmod(path, mode, dontFollow) { var node; if (typeof path == 'string') { var lookup = FS.lookupPath(path, { follow: !dontFollow }); node = lookup.node; } else { node = path; } FS.doChmod(null, node, mode, dontFollow); }, lchmod(path, mode) { FS.chmod(path, mode, true); }, fchmod(fd, mode) { var stream = FS.getStreamChecked(fd); FS.doChmod(stream, stream.node, mode, false); }, doChown(stream, node, dontFollow) { FS.doSetAttr(stream, node, { timestamp: Date.now(), dontFollow // we ignore the uid / gid for now }); }, chown(path, uid, gid, dontFollow) { var node; if (typeof path == 'string') { var lookup = FS.lookupPath(path, { follow: !dontFollow }); node = lookup.node; } else { node = path; } FS.doChown(null, node, dontFollow); }, lchown(path, uid, gid) { FS.chown(path, uid, gid, true); }, fchown(fd, uid, gid) { var stream = FS.getStreamChecked(fd); FS.doChown(stream, stream.node, false); }, doTruncate(stream, node, len) { if (FS.isDir(node.mode)) { throw new FS.ErrnoError(31); } if (!FS.isFile(node.mode)) { throw new FS.ErrnoError(28); } var errCode = FS.nodePermissions(node, 'w'); if (errCode) { throw new FS.ErrnoError(errCode); } FS.doSetAttr(stream, node, { size: len, timestamp: Date.now() }); }, truncate(path, len) { if (len < 0) { throw new FS.ErrnoError(28); } var node; if (typeof path == 'string') { var lookup = FS.lookupPath(path, { follow: true }); node = lookup.node; } else { node = path; } FS.doTruncate(null, node, len); }, ftruncate(fd, len) { var stream = FS.getStreamChecked(fd); if (len < 0 || (stream.flags & 2097155) === 0) { throw new FS.ErrnoError(28); } FS.doTruncate(stream, stream.node, len); }, utime(path, atime, mtime) { var lookup = FS.lookupPath(path, { follow: true }); var node = lookup.node; var setattr = FS.checkOpExists(node.node_ops.setattr, 63); setattr(node, { atime: atime, mtime: mtime }); }, open(path, flags, mode = 0o666) { if (path === "") { throw new FS.ErrnoError(44); } flags = typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags; if ((flags & 64)) { mode = (mode & 4095) | 32768; } else { mode = 0; } var node; var isDirPath; if (typeof path == 'object') { node = path; } else { isDirPath = path.endsWith("/"); // noent_okay makes it so that if the final component of the path // doesn't exist, lookupPath returns `node: undefined`. `path` will be // updated to point to the target of all symlinks. var lookup = FS.lookupPath(path, { follow: !(flags & 131072), noent_okay: true }); node = lookup.node; path = lookup.path; } // perhaps we need to create the node var created = false; if ((flags & 64)) { if (node) { // if O_CREAT and O_EXCL are set, error out if the node already exists if ((flags & 128)) { throw new FS.ErrnoError(20); } } else if (isDirPath) { throw new FS.ErrnoError(31); } else { // node doesn't exist, try to create it // Ignore the permission bits here to ensure we can `open` this new // file below. We use chmod below the apply the permissions once the // file is open. node = FS.mknod(path, mode | 0o777, 0); created = true; } } if (!node) { throw new FS.ErrnoError(44); } // can't truncate a device if (FS.isChrdev(node.mode)) { flags &= ~512; } // if asked only for a directory, then this must be one if ((flags & 65536) && !FS.isDir(node.mode)) { throw new FS.ErrnoError(54); } // check permissions, if this is not a file we just created now (it is ok to // create and write to a file with read-only permissions; it is read-only // for later use) if (!created) { var errCode = FS.mayOpen(node, flags); if (errCode) { throw new FS.ErrnoError(errCode); } } // do truncation if necessary if ((flags & 512) && !created) { FS.truncate(node, 0); } // we've already handled these, don't pass down to the underlying vfs flags &= ~(128 | 512 | 131072); // register the stream with the filesystem var stream = FS.createStream({ node, path: FS.getPath(node), // we want the absolute path to the node flags, seekable: true, position: 0, stream_ops: node.stream_ops, // used by the file family libc calls (fopen, fwrite, ferror, etc.) ungotten: [], error: false }); // call the new stream's open function if (stream.stream_ops.open) { stream.stream_ops.open(stream); } if (created) { FS.chmod(node, mode & 0o777); } if (Module['logReadFiles'] && !(flags & 1)) { if (!(path in FS.readFiles)) { FS.readFiles[path] = 1; } } return stream; }, close(stream) { if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } if (stream.getdents) stream.getdents = null; // free readdir state try { if (stream.stream_ops.close) { stream.stream_ops.close(stream); } } catch (e) { throw e; } finally { FS.closeStream(stream.fd); } stream.fd = null; }, isClosed(stream) { return stream.fd === null; }, llseek(stream, offset, whence) { if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } if (!stream.seekable || !stream.stream_ops.llseek) { throw new FS.ErrnoError(70); } if (whence != 0 && whence != 1 && whence != 2) { throw new FS.ErrnoError(28); } stream.position = stream.stream_ops.llseek(stream, offset, whence); stream.ungotten = []; return stream.position; }, read(stream, buffer, offset, length, position) { assert(offset >= 0); if (length < 0 || position < 0) { throw new FS.ErrnoError(28); } if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } if ((stream.flags & 2097155) === 1) { throw new FS.ErrnoError(8); } if (FS.isDir(stream.node.mode)) { throw new FS.ErrnoError(31); } if (!stream.stream_ops.read) { throw new FS.ErrnoError(28); } var seeking = typeof position != 'undefined'; if (!seeking) { position = stream.position; } else if (!stream.seekable) { throw new FS.ErrnoError(70); } var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position); if (!seeking) stream.position += bytesRead; return bytesRead; }, write(stream, buffer, offset, length, position, canOwn) { assert(offset >= 0); if (length < 0 || position < 0) { throw new FS.ErrnoError(28); } if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } if ((stream.flags & 2097155) === 0) { throw new FS.ErrnoError(8); } if (FS.isDir(stream.node.mode)) { throw new FS.ErrnoError(31); } if (!stream.stream_ops.write) { throw new FS.ErrnoError(28); } if (stream.seekable && stream.flags & 1024) { // seek to the end before writing in append mode FS.llseek(stream, 0, 2); } var seeking = typeof position != 'undefined'; if (!seeking) { position = stream.position; } else if (!stream.seekable) { throw new FS.ErrnoError(70); } var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); if (!seeking) stream.position += bytesWritten; return bytesWritten; }, mmap(stream, length, position, prot, flags) { // User requests writing to file (prot & PROT_WRITE != 0). // Checking if we have permissions to write to the file unless // MAP_PRIVATE flag is set. According to POSIX spec it is possible // to write to file opened in read-only mode with MAP_PRIVATE flag, // as all modifications will be visible only in the memory of // the current process. if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) { throw new FS.ErrnoError(2); } if ((stream.flags & 2097155) === 1) { throw new FS.ErrnoError(2); } if (!stream.stream_ops.mmap) { throw new FS.ErrnoError(43); } if (!length) { throw new FS.ErrnoError(28); } return stream.stream_ops.mmap(stream, length, position, prot, flags); }, msync(stream, buffer, offset, length, mmapFlags) { assert(offset >= 0); if (!stream.stream_ops.msync) { return 0; } return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags); }, ioctl(stream, cmd, arg) { if (!stream.stream_ops.ioctl) { throw new FS.ErrnoError(59); } return stream.stream_ops.ioctl(stream, cmd, arg); }, readFile(path, opts = {}) { opts.flags = opts.flags || 0; opts.encoding = opts.encoding || 'binary'; if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') { throw new Error(`Invalid encoding type "${opts.encoding}"`); } var stream = FS.open(path, opts.flags); var stat = FS.stat(path); var length = stat.size; var buf = new Uint8Array(length); FS.read(stream, buf, 0, length, 0); if (opts.encoding === 'utf8') { buf = UTF8ArrayToString(buf); } FS.close(stream); return buf; }, writeFile(path, data, opts = {}) { opts.flags = opts.flags || 577; var stream = FS.open(path, opts.flags, opts.mode); if (typeof data == 'string') { data = new Uint8Array(intArrayFromString(data, true)); } if (ArrayBuffer.isView(data)) { FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn); } else { throw new Error('Unsupported data type'); } FS.close(stream); }, cwd:() => FS.currentPath, chdir(path) { var lookup = FS.lookupPath(path, { follow: true }); if (lookup.node === null) { throw new FS.ErrnoError(44); } if (!FS.isDir(lookup.node.mode)) { throw new FS.ErrnoError(54); } var errCode = FS.nodePermissions(lookup.node, 'x'); if (errCode) { throw new FS.ErrnoError(errCode); } FS.currentPath = lookup.path; }, createDefaultDirectories() { FS.mkdir('/tmp'); FS.mkdir('/home'); FS.mkdir('/home/web_user'); }, createDefaultDevices() { // create /dev FS.mkdir('/dev'); // setup /dev/null FS.registerDevice(FS.makedev(1, 3), { read: () => 0, write: (stream, buffer, offset, length, pos) => length, llseek: () => 0, }); FS.mkdev('/dev/null', FS.makedev(1, 3)); // setup /dev/tty and /dev/tty1 // stderr needs to print output using err() rather than out() // so we register a second tty just for it. TTY.register(FS.makedev(5, 0), TTY.default_tty_ops); TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops); FS.mkdev('/dev/tty', FS.makedev(5, 0)); FS.mkdev('/dev/tty1', FS.makedev(6, 0)); // setup /dev/[u]random // use a buffer to avoid overhead of individual crypto calls per byte var randomBuffer = new Uint8Array(1024), randomLeft = 0; var randomByte = () => { if (randomLeft === 0) { randomFill(randomBuffer); randomLeft = randomBuffer.byteLength; } return randomBuffer[--randomLeft]; }; FS.createDevice('/dev', 'random', randomByte); FS.createDevice('/dev', 'urandom', randomByte); // we're not going to emulate the actual shm device, // just create the tmp dirs that reside in it commonly FS.mkdir('/dev/shm'); FS.mkdir('/dev/shm/tmp'); }, createSpecialDirectories() { // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the // name of the stream for fd 6 (see test_unistd_ttyname) FS.mkdir('/proc'); var proc_self = FS.mkdir('/proc/self'); FS.mkdir('/proc/self/fd'); FS.mount({ mount() { var node = FS.createNode(proc_self, 'fd', 16895, 73); node.stream_ops = { llseek: MEMFS.stream_ops.llseek, }; node.node_ops = { lookup(parent, name) { var fd = +name; var stream = FS.getStreamChecked(fd); var ret = { parent: null, mount: { mountpoint: 'fake' }, node_ops: { readlink: () => stream.path }, id: fd + 1, }; ret.parent = ret; // make it look like a simple root node return ret; }, readdir() { return Array.from(FS.streams.entries()) .filter(([k, v]) => v) .map(([k, v]) => k.toString()); } }; return node; } }, {}, '/proc/self/fd'); }, createStandardStreams(input, output, error) { // TODO deprecate the old functionality of a single // input / output callback and that utilizes FS.createDevice // and instead require a unique set of stream ops // by default, we symlink the standard streams to the // default tty devices. however, if the standard streams // have been overwritten we create a unique device for // them instead. if (input) { FS.createDevice('/dev', 'stdin', input); } else { FS.symlink('/dev/tty', '/dev/stdin'); } if (output) { FS.createDevice('/dev', 'stdout', null, output); } else { FS.symlink('/dev/tty', '/dev/stdout'); } if (error) { FS.createDevice('/dev', 'stderr', null, error); } else { FS.symlink('/dev/tty1', '/dev/stderr'); } // open default streams for the stdin, stdout and stderr devices var stdin = FS.open('/dev/stdin', 0); var stdout = FS.open('/dev/stdout', 1); var stderr = FS.open('/dev/stderr', 1); assert(stdin.fd === 0, `invalid handle for stdin (${stdin.fd})`); assert(stdout.fd === 1, `invalid handle for stdout (${stdout.fd})`); assert(stderr.fd === 2, `invalid handle for stderr (${stderr.fd})`); }, staticInit() { FS.nameTable = new Array(4096); FS.mount(MEMFS, {}, '/'); FS.createDefaultDirectories(); FS.createDefaultDevices(); FS.createSpecialDirectories(); FS.filesystems = { 'MEMFS': MEMFS, }; }, init(input, output, error) { assert(!FS.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)'); FS.initialized = true; // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here input ??= Module['stdin']; output ??= Module['stdout']; error ??= Module['stderr']; FS.createStandardStreams(input, output, error); }, quit() { FS.initialized = false; // force-flush all streams, so we get musl std streams printed out _fflush(0); // close all of our streams for (var stream of FS.streams) { if (stream) { FS.close(stream); } } }, findObject(path, dontResolveLastLink) { var ret = FS.analyzePath(path, dontResolveLastLink); if (!ret.exists) { return null; } return ret.object; }, analyzePath(path, dontResolveLastLink) { // operate from within the context of the symlink's target try { var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); path = lookup.path; } catch (e) { } var ret = { isRoot: false, exists: false, error: 0, name: null, path: null, object: null, parentExists: false, parentPath: null, parentObject: null }; try { var lookup = FS.lookupPath(path, { parent: true }); ret.parentExists = true; ret.parentPath = lookup.path; ret.parentObject = lookup.node; ret.name = PATH.basename(path); lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); ret.exists = true; ret.path = lookup.path; ret.object = lookup.node; ret.name = lookup.node.name; ret.isRoot = lookup.path === '/'; } catch (e) { ret.error = e.errno; }; return ret; }, createPath(parent, path, canRead, canWrite) { parent = typeof parent == 'string' ? parent : FS.getPath(parent); var parts = path.split('/').reverse(); while (parts.length) { var part = parts.pop(); if (!part) continue; var current = PATH.join2(parent, part); try { FS.mkdir(current); } catch (e) { if (e.errno != 20) throw e; } parent = current; } return current; }, createFile(parent, name, properties, canRead, canWrite) { var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); var mode = FS_getMode(canRead, canWrite); return FS.create(path, mode); }, createDataFile(parent, name, data, canRead, canWrite, canOwn) { var path = name; if (parent) { parent = typeof parent == 'string' ? parent : FS.getPath(parent); path = name ? PATH.join2(parent, name) : parent; } var mode = FS_getMode(canRead, canWrite); var node = FS.create(path, mode); if (data) { if (typeof data == 'string') { var arr = new Array(data.length); for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i); data = arr; } // make sure we can write to the file FS.chmod(node, mode | 146); var stream = FS.open(node, 577); FS.write(stream, data, 0, data.length, 0, canOwn); FS.close(stream); FS.chmod(node, mode); } }, createDevice(parent, name, input, output) { var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); var mode = FS_getMode(!!input, !!output); FS.createDevice.major ??= 64; var dev = FS.makedev(FS.createDevice.major++, 0); // Create a fake device that a set of stream ops to emulate // the old behavior. FS.registerDevice(dev, { open(stream) { stream.seekable = false; }, close(stream) { // flush any pending line data if (output?.buffer?.length) { output(10); } }, read(stream, buffer, offset, length, pos /* ignored */) { var bytesRead = 0; for (var i = 0; i < length; i++) { var result; try { result = input(); } catch (e) { throw new FS.ErrnoError(29); } if (result === undefined && bytesRead === 0) { throw new FS.ErrnoError(6); } if (result === null || result === undefined) break; bytesRead++; buffer[offset+i] = result; } if (bytesRead) { stream.node.atime = Date.now(); } return bytesRead; }, write(stream, buffer, offset, length, pos) { for (var i = 0; i < length; i++) { try { output(buffer[offset+i]); } catch (e) { throw new FS.ErrnoError(29); } } if (length) { stream.node.mtime = stream.node.ctime = Date.now(); } return i; } }); return FS.mkdev(path, mode, dev); }, forceLoadFile(obj) { if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true; if (typeof XMLHttpRequest != 'undefined') { throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread."); } else { // Command-line. try { obj.contents = readBinary(obj.url); obj.usedBytes = obj.contents.length; } catch (e) { throw new FS.ErrnoError(29); } } }, createLazyFile(parent, name, url, canRead, canWrite) { // Lazy chunked Uint8Array (implements get and length from Uint8Array). // Actual getting is abstracted away for eventual reuse. class LazyUint8Array { lengthKnown = false; chunks = []; // Loaded chunks. Index is the chunk number get(idx) { if (idx > this.length-1 || idx < 0) { return undefined; } var chunkOffset = idx % this.chunkSize; var chunkNum = (idx / this.chunkSize)|0; return this.getter(chunkNum)[chunkOffset]; } setDataGetter(getter) { this.getter = getter; } cacheLength() { // Find length var xhr = new XMLHttpRequest(); xhr.open('HEAD', url, false); xhr.send(null); if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); var datalength = Number(xhr.getResponseHeader("Content-length")); var header; var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes"; var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip"; var chunkSize = 1024*1024; // Chunk size in bytes if (!hasByteServing) chunkSize = datalength; // Function to get a range from the remote URL. var doXHR = (from, to) => { if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!"); if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!"); // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available. var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to); // Some hints to the browser that we want binary data. xhr.responseType = 'arraybuffer'; if (xhr.overrideMimeType) { xhr.overrideMimeType('text/plain; charset=x-user-defined'); } xhr.send(null); if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); if (xhr.response !== undefined) { return new Uint8Array(/** @type{Array} */(xhr.response || [])); } return intArrayFromString(xhr.responseText || '', true); }; var lazyArray = this; lazyArray.setDataGetter((chunkNum) => { var start = chunkNum * chunkSize; var end = (chunkNum+1) * chunkSize - 1; // including this byte end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block if (typeof lazyArray.chunks[chunkNum] == 'undefined') { lazyArray.chunks[chunkNum] = doXHR(start, end); } if (typeof lazyArray.chunks[chunkNum] == 'undefined') throw new Error('doXHR failed!'); return lazyArray.chunks[chunkNum]; }); if (usesGzip || !datalength) { // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file datalength = this.getter(0).length; chunkSize = datalength; out("LazyFiles on gzip forces download of the whole file when length is accessed"); } this._length = datalength; this._chunkSize = chunkSize; this.lengthKnown = true; } get length() { if (!this.lengthKnown) { this.cacheLength(); } return this._length; } get chunkSize() { if (!this.lengthKnown) { this.cacheLength(); } return this._chunkSize; } } if (typeof XMLHttpRequest != 'undefined') { if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc'; var lazyArray = new LazyUint8Array(); var properties = { isDevice: false, contents: lazyArray }; } else { var properties = { isDevice: false, url: url }; } var node = FS.createFile(parent, name, properties, canRead, canWrite); // This is a total hack, but I want to get this lazy file code out of the // core of MEMFS. If we want to keep this lazy file concept I feel it should // be its own thin LAZYFS proxying calls to MEMFS. if (properties.contents) { node.contents = properties.contents; } else if (properties.url) { node.contents = null; node.url = properties.url; } // Add a function that defers querying the file size until it is asked the first time. Object.defineProperties(node, { usedBytes: { get: function() { return this.contents.length; } } }); // override each stream op with one that tries to force load the lazy file first var stream_ops = {}; var keys = Object.keys(node.stream_ops); keys.forEach((key) => { var fn = node.stream_ops[key]; stream_ops[key] = (...args) => { FS.forceLoadFile(node); return fn(...args); }; }); function writeChunks(stream, buffer, offset, length, position) { var contents = stream.node.contents; if (position >= contents.length) return 0; var size = Math.min(contents.length - position, length); assert(size >= 0); if (contents.slice) { // normal array for (var i = 0; i < size; i++) { buffer[offset + i] = contents[position + i]; } } else { for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR buffer[offset + i] = contents.get(position + i); } } return size; } // use a custom read function stream_ops.read = (stream, buffer, offset, length, position) => { FS.forceLoadFile(node); return writeChunks(stream, buffer, offset, length, position) }; // use a custom mmap function stream_ops.mmap = (stream, length, position, prot, flags) => { FS.forceLoadFile(node); var ptr = mmapAlloc(length); if (!ptr) { throw new FS.ErrnoError(48); } writeChunks(stream, HEAP8, ptr, length, position); return { ptr, allocated: true }; }; node.stream_ops = stream_ops; return node; }, absolutePath() { abort('FS.absolutePath has been removed; use PATH_FS.resolve instead'); }, createFolder() { abort('FS.createFolder has been removed; use FS.mkdir instead'); }, createLink() { abort('FS.createLink has been removed; use FS.symlink instead'); }, joinPath() { abort('FS.joinPath has been removed; use PATH.join instead'); }, mmapAlloc() { abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc'); }, standardizePath() { abort('FS.standardizePath has been removed; use PATH.normalize instead'); }, }; var SYSCALLS = { DEFAULT_POLLMASK:5, calculateAt(dirfd, path, allowEmpty) { if (PATH.isAbs(path)) { return path; } // relative path var dir; if (dirfd === -100) { dir = FS.cwd(); } else { var dirstream = SYSCALLS.getStreamFromFD(dirfd); dir = dirstream.path; } if (path.length == 0) { if (!allowEmpty) { throw new FS.ErrnoError(44);; } return dir; } return dir + '/' + path; }, writeStat(buf, stat) { HEAP32[((buf)>>2)] = stat.dev; HEAP32[(((buf)+(4))>>2)] = stat.mode; HEAPU32[(((buf)+(8))>>2)] = stat.nlink; HEAP32[(((buf)+(12))>>2)] = stat.uid; HEAP32[(((buf)+(16))>>2)] = stat.gid; HEAP32[(((buf)+(20))>>2)] = stat.rdev; HEAP64[(((buf)+(24))>>3)] = BigInt(stat.size); HEAP32[(((buf)+(32))>>2)] = 4096; HEAP32[(((buf)+(36))>>2)] = stat.blocks; var atime = stat.atime.getTime(); var mtime = stat.mtime.getTime(); var ctime = stat.ctime.getTime(); HEAP64[(((buf)+(40))>>3)] = BigInt(Math.floor(atime / 1000)); HEAPU32[(((buf)+(48))>>2)] = (atime % 1000) * 1000 * 1000; HEAP64[(((buf)+(56))>>3)] = BigInt(Math.floor(mtime / 1000)); HEAPU32[(((buf)+(64))>>2)] = (mtime % 1000) * 1000 * 1000; HEAP64[(((buf)+(72))>>3)] = BigInt(Math.floor(ctime / 1000)); HEAPU32[(((buf)+(80))>>2)] = (ctime % 1000) * 1000 * 1000; HEAP64[(((buf)+(88))>>3)] = BigInt(stat.ino); return 0; }, writeStatFs(buf, stats) { HEAP32[(((buf)+(4))>>2)] = stats.bsize; HEAP32[(((buf)+(40))>>2)] = stats.bsize; HEAP32[(((buf)+(8))>>2)] = stats.blocks; HEAP32[(((buf)+(12))>>2)] = stats.bfree; HEAP32[(((buf)+(16))>>2)] = stats.bavail; HEAP32[(((buf)+(20))>>2)] = stats.files; HEAP32[(((buf)+(24))>>2)] = stats.ffree; HEAP32[(((buf)+(28))>>2)] = stats.fsid; HEAP32[(((buf)+(44))>>2)] = stats.flags; // ST_NOSUID HEAP32[(((buf)+(36))>>2)] = stats.namelen; }, doMsync(addr, stream, len, flags, offset) { if (!FS.isFile(stream.node.mode)) { throw new FS.ErrnoError(43); } if (flags & 2) { // MAP_PRIVATE calls need not to be synced back to underlying fs return 0; } var buffer = HEAPU8.slice(addr, addr + len); FS.msync(stream, buffer, offset, len, flags); }, getStreamFromFD(fd) { var stream = FS.getStreamChecked(fd); return stream; }, varargs:undefined, getStr(ptr) { var ret = UTF8ToString(ptr); return ret; }, }; function _fd_close(fd) { try { var stream = SYSCALLS.getStreamFromFD(fd); FS.close(stream); return 0; } catch (e) { if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; return e.errno; } } /** @param {number=} offset */ var doReadv = (stream, iov, iovcnt, offset) => { var ret = 0; for (var i = 0; i < iovcnt; i++) { var ptr = HEAPU32[((iov)>>2)]; var len = HEAPU32[(((iov)+(4))>>2)]; iov += 8; var curr = FS.read(stream, HEAP8, ptr, len, offset); if (curr < 0) return -1; ret += curr; if (curr < len) break; // nothing more to read if (typeof offset != 'undefined') { offset += curr; } } return ret; }; function _fd_read(fd, iov, iovcnt, pnum) { try { var stream = SYSCALLS.getStreamFromFD(fd); var num = doReadv(stream, iov, iovcnt); HEAPU32[((pnum)>>2)] = num; return 0; } catch (e) { if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; return e.errno; } } var INT53_MAX = 9007199254740992; var INT53_MIN = -9007199254740992; var bigintToI53Checked = (num) => (num < INT53_MIN || num > INT53_MAX) ? NaN : Number(num); function _fd_seek(fd, offset, whence, newOffset) { offset = bigintToI53Checked(offset); try { if (isNaN(offset)) return 61; var stream = SYSCALLS.getStreamFromFD(fd); FS.llseek(stream, offset, whence); HEAP64[((newOffset)>>3)] = BigInt(stream.position); if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state return 0; } catch (e) { if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; return e.errno; } ; } /** @param {number=} offset */ var doWritev = (stream, iov, iovcnt, offset) => { var ret = 0; for (var i = 0; i < iovcnt; i++) { var ptr = HEAPU32[((iov)>>2)]; var len = HEAPU32[(((iov)+(4))>>2)]; iov += 8; var curr = FS.write(stream, HEAP8, ptr, len, offset); if (curr < 0) return -1; ret += curr; if (curr < len) { // No more space to write. break; } if (typeof offset != 'undefined') { offset += curr; } } return ret; }; function _fd_write(fd, iov, iovcnt, pnum) { try { var stream = SYSCALLS.getStreamFromFD(fd); var num = doWritev(stream, iov, iovcnt); HEAPU32[((pnum)>>2)] = num; return 0; } catch (e) { if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; return e.errno; } } var getCFunc = (ident) => { var func = Module['_' + ident]; // closure exported function assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); return func; }; var writeArrayToMemory = (array, buffer) => { assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)') HEAP8.set(array, buffer); }; var stackAlloc = (sz) => __emscripten_stack_alloc(sz); var stringToUTF8OnStack = (str) => { var size = lengthBytesUTF8(str) + 1; var ret = stackAlloc(size); stringToUTF8(str, ret, size); return ret; }; /** * @param {string|null=} returnType * @param {Array=} argTypes * @param {Array=} args * @param {Object=} opts */ var ccall = (ident, returnType, argTypes, args, opts) => { // For fast lookup of conversion functions var toC = { 'string': (str) => { var ret = 0; if (str !== null && str !== undefined && str !== 0) { // null string ret = stringToUTF8OnStack(str); } return ret; }, 'array': (arr) => { var ret = stackAlloc(arr.length); writeArrayToMemory(arr, ret); return ret; } }; function convertReturnValue(ret) { if (returnType === 'string') { return UTF8ToString(ret); } if (returnType === 'boolean') return Boolean(ret); return ret; } var func = getCFunc(ident); var cArgs = []; var stack = 0; assert(returnType !== 'array', 'Return type should not be "array".'); if (args) { for (var i = 0; i < args.length; i++) { var converter = toC[argTypes[i]]; if (converter) { if (stack === 0) stack = stackSave(); cArgs[i] = converter(args[i]); } else { cArgs[i] = args[i]; } } } var ret = func(...cArgs); function onDone(ret) { if (stack !== 0) stackRestore(stack); return convertReturnValue(ret); } ret = onDone(ret); return ret; }; /** * @param {string=} returnType * @param {Array=} argTypes * @param {Object=} opts */ var cwrap = (ident, returnType, argTypes, opts) => { return (...args) => ccall(ident, returnType, argTypes, args, opts); }; var incrementExceptionRefcount = (ptr) => ___cxa_increment_exception_refcount(ptr); var decrementExceptionRefcount = (ptr) => ___cxa_decrement_exception_refcount(ptr); var getExceptionMessageCommon = (ptr) => { var sp = stackSave(); var type_addr_addr = stackAlloc(4); var message_addr_addr = stackAlloc(4); ___get_exception_message(ptr, type_addr_addr, message_addr_addr); var type_addr = HEAPU32[((type_addr_addr)>>2)]; var message_addr = HEAPU32[((message_addr_addr)>>2)]; var type = UTF8ToString(type_addr); _free(type_addr); var message; if (message_addr) { message = UTF8ToString(message_addr); _free(message_addr); } stackRestore(sp); return [type, message]; }; var getExceptionMessage = (ptr) => getExceptionMessageCommon(ptr); assert(emval_handles.length === 5 * 2); FS.createPreloadedFile = FS_createPreloadedFile; FS.staticInit();; // End JS library code // include: postlibrary.js // This file is included after the automatically-generated JS library code // but before the wasm module is created. { // Begin ATMODULES hooks if (Module['noExitRuntime']) noExitRuntime = Module['noExitRuntime']; if (Module['preloadPlugins']) preloadPlugins = Module['preloadPlugins']; if (Module['print']) out = Module['print']; if (Module['printErr']) err = Module['printErr']; if (Module['wasmBinary']) wasmBinary = Module['wasmBinary']; // End ATMODULES hooks checkIncomingModuleAPI(); if (Module['arguments']) arguments_ = Module['arguments']; if (Module['thisProgram']) thisProgram = Module['thisProgram']; // 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'); 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'); assert(typeof Module['ENVIRONMENT'] == 'undefined', 'Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)'); assert(typeof Module['STACK_SIZE'] == 'undefined', 'STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time') // If memory is defined in wasm, the user can't provide it, or set INITIAL_MEMORY assert(typeof Module['wasmMemory'] == 'undefined', 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally'); assert(typeof Module['INITIAL_MEMORY'] == 'undefined', 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically'); } // Begin runtime exports Module['ccall'] = ccall; Module['cwrap'] = cwrap; var missingLibrarySymbols = [ 'writeI53ToI64', 'writeI53ToI64Clamped', 'writeI53ToI64Signaling', 'writeI53ToU64Clamped', 'writeI53ToU64Signaling', 'readI53FromI64', 'readI53FromU64', 'convertI32PairToI53', 'convertI32PairToI53Checked', 'convertU32PairToI53', 'getTempRet0', 'zeroMemory', 'exitJS', 'getHeapMax', 'growMemory', 'withStackSave', 'inetPton4', 'inetNtop4', 'inetPton6', 'inetNtop6', 'readSockaddr', 'writeSockaddr', 'readEmAsmArgs', 'jstoi_q', 'autoResumeAudioContext', 'getDynCaller', 'dynCall', 'handleException', 'keepRuntimeAlive', 'runtimeKeepalivePush', 'runtimeKeepalivePop', 'callUserCallback', 'maybeExit', 'asmjsMangle', 'alignMemory', 'HandleAllocator', 'getNativeTypeSize', 'addOnInit', 'addOnPostCtor', 'addOnPreMain', 'addOnExit', 'STACK_SIZE', 'STACK_ALIGN', 'POINTER_SIZE', 'ASSERTIONS', 'convertJsFunctionToWasm', 'getEmptyTableSlot', 'updateTableMap', 'getFunctionAddress', 'addFunction', 'removeFunction', 'intArrayToString', 'stringToAscii', 'stringToNewUTF8', 'registerKeyEventCallback', 'maybeCStringToJsString', 'findEventTarget', 'getBoundingClientRect', 'fillMouseEventData', 'registerMouseEventCallback', 'registerWheelEventCallback', 'registerUiEventCallback', 'registerFocusEventCallback', 'fillDeviceOrientationEventData', 'registerDeviceOrientationEventCallback', 'fillDeviceMotionEventData', 'registerDeviceMotionEventCallback', 'screenOrientation', 'fillOrientationChangeEventData', 'registerOrientationChangeEventCallback', 'fillFullscreenChangeEventData', 'registerFullscreenChangeEventCallback', 'JSEvents_requestFullscreen', 'JSEvents_resizeCanvasForFullscreen', 'registerRestoreOldStyle', 'hideEverythingExceptGivenElement', 'restoreHiddenElements', 'setLetterbox', 'softFullscreenResizeWebGLRenderTarget', 'doRequestFullscreen', 'fillPointerlockChangeEventData', 'registerPointerlockChangeEventCallback', 'registerPointerlockErrorEventCallback', 'requestPointerLock', 'fillVisibilityChangeEventData', 'registerVisibilityChangeEventCallback', 'registerTouchEventCallback', 'fillGamepadEventData', 'registerGamepadEventCallback', 'registerBeforeUnloadEventCallback', 'fillBatteryEventData', 'registerBatteryEventCallback', 'setCanvasElementSize', 'getCanvasElementSize', 'jsStackTrace', 'getCallstack', 'convertPCtoSourceLocation', 'checkWasiClock', 'wasiRightsToMuslOFlags', 'wasiOFlagsToMuslOFlags', 'safeSetTimeout', 'setImmediateWrapped', 'safeRequestAnimationFrame', 'clearImmediateWrapped', 'registerPostMainLoop', 'registerPreMainLoop', 'getPromise', 'makePromise', 'idsToPromises', 'makePromiseCallback', 'Browser_asyncPrepareDataCounter', 'isLeapYear', 'ydayFromDate', 'arraySum', 'addDays', 'getSocketFromFD', 'getSocketAddress', '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', 'webgl_enable_EXT_polygon_offset_clamp', 'webgl_enable_EXT_clip_control', 'webgl_enable_WEBGL_polygon_mode', 'emscriptenWebGLGet', 'computeUnpackAlignedImageSize', 'colorChannelsInGlTextureFormat', 'emscriptenWebGLGetTexPixelData', 'emscriptenWebGLGetUniform', 'webglGetUniformLocation', 'webglPrepareUniformLocationsBeforeFirstUse', 'webglGetLeftBracePos', 'emscriptenWebGLGetVertexAttrib', '__glGetActiveAttribOrUniform', 'writeGLArray', 'registerWebGlEventCallback', 'runAndAbortIfError', 'ALLOC_NORMAL', 'ALLOC_STACK', 'allocate', 'writeStringToMemory', 'writeAsciiToMemory', 'demangle', 'stackTrace', 'getFunctionArgsName', 'createJsInvokerSignature', 'PureVirtualError', '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', 'count_emval_handles', 'emval_get_global', ]; missingLibrarySymbols.forEach(missingLibrarySymbol) var unexportedSymbols = [ 'run', 'addRunDependency', 'removeRunDependency', 'out', 'err', 'callMain', 'abort', 'wasmMemory', 'wasmExports', 'HEAPF32', 'HEAPF64', 'HEAP8', 'HEAPU8', 'HEAP16', 'HEAPU16', 'HEAP32', 'HEAPU32', 'HEAP64', 'HEAPU64', 'writeStackCookie', 'checkStackCookie', 'INT53_MAX', 'INT53_MIN', 'bigintToI53Checked', 'stackSave', 'stackRestore', 'stackAlloc', 'setTempRet0', 'ptrToString', 'abortOnCannotGrowMemory', 'ENV', 'ERRNO_CODES', 'strError', 'DNS', 'Protocols', 'Sockets', 'timers', 'warnOnce', 'readEmAsmArgsArray', 'getExecutableName', 'asyncLoad', 'mmapAlloc', 'wasmTable', 'getUniqueRunDependency', 'noExitRuntime', 'addOnPreRun', 'addOnPostRun', 'freeTableIndexes', 'functionsInTableMap', 'setValue', 'getValue', 'PATH', 'PATH_FS', 'UTF8Decoder', 'UTF8ArrayToString', 'UTF8ToString', 'stringToUTF8Array', 'stringToUTF8', 'lengthBytesUTF8', 'intArrayFromString', 'AsciiToString', 'UTF16Decoder', 'UTF16ToString', 'stringToUTF16', 'lengthBytesUTF16', 'UTF32ToString', 'stringToUTF32', 'lengthBytesUTF32', 'stringToUTF8OnStack', 'writeArrayToMemory', 'JSEvents', 'specialHTMLTargets', 'findCanvasEventTarget', 'currentFullscreenStrategy', 'restoreOldWindowedStyle', 'UNWIND_CACHE', 'ExitStatus', 'getEnvStrings', 'doReadv', 'doWritev', 'initRandomFill', 'randomFill', 'emSetImmediate', 'emClearImmediate_deps', 'emClearImmediate', 'promiseMap', 'uncaughtExceptionCount', 'exceptionLast', 'exceptionCaught', 'ExceptionInfo', 'findMatchingCatch', 'getExceptionMessageCommon', 'Browser', 'requestFullscreen', 'requestFullScreen', 'setCanvasSize', 'getUserMedia', 'createContext', 'getPreloadedImageData__data', 'wget', 'MONTH_DAYS_REGULAR', 'MONTH_DAYS_LEAP', 'MONTH_DAYS_REGULAR_CUMULATIVE', 'MONTH_DAYS_LEAP_CUMULATIVE', 'SYSCALLS', 'preloadPlugins', 'FS_createPreloadedFile', 'FS_modeStringToFlags', 'FS_getMode', 'FS_stdin_getChar_buffer', 'FS_stdin_getChar', 'FS_unlink', 'FS_createPath', 'FS_createDevice', 'FS_readFile', 'FS', 'FS_root', 'FS_mounts', 'FS_devices', 'FS_streams', 'FS_nextInode', 'FS_nameTable', 'FS_currentPath', 'FS_initialized', 'FS_ignorePermissions', 'FS_filesystems', 'FS_syncFSRequests', 'FS_readFiles', 'FS_lookupPath', 'FS_getPath', 'FS_hashName', 'FS_hashAddNode', 'FS_hashRemoveNode', 'FS_lookupNode', 'FS_createNode', 'FS_destroyNode', 'FS_isRoot', 'FS_isMountpoint', 'FS_isFile', 'FS_isDir', 'FS_isLink', 'FS_isChrdev', 'FS_isBlkdev', 'FS_isFIFO', 'FS_isSocket', 'FS_flagsToPermissionString', 'FS_nodePermissions', 'FS_mayLookup', 'FS_mayCreate', 'FS_mayDelete', 'FS_mayOpen', 'FS_checkOpExists', 'FS_nextfd', 'FS_getStreamChecked', 'FS_getStream', 'FS_createStream', 'FS_closeStream', 'FS_dupStream', 'FS_doSetAttr', 'FS_chrdev_stream_ops', 'FS_major', 'FS_minor', 'FS_makedev', 'FS_registerDevice', 'FS_getDevice', 'FS_getMounts', 'FS_syncfs', 'FS_mount', 'FS_unmount', 'FS_lookup', 'FS_mknod', 'FS_statfs', 'FS_statfsStream', 'FS_statfsNode', 'FS_create', 'FS_mkdir', 'FS_mkdev', 'FS_symlink', 'FS_rename', 'FS_rmdir', 'FS_readdir', 'FS_readlink', 'FS_stat', 'FS_fstat', 'FS_lstat', 'FS_doChmod', 'FS_chmod', 'FS_lchmod', 'FS_fchmod', 'FS_doChown', 'FS_chown', 'FS_lchown', 'FS_fchown', 'FS_doTruncate', 'FS_truncate', 'FS_ftruncate', 'FS_utime', 'FS_open', 'FS_close', 'FS_isClosed', 'FS_llseek', 'FS_read', 'FS_write', 'FS_mmap', 'FS_msync', 'FS_ioctl', 'FS_writeFile', 'FS_cwd', 'FS_chdir', 'FS_createDefaultDirectories', 'FS_createDefaultDevices', 'FS_createSpecialDirectories', 'FS_createStandardStreams', 'FS_staticInit', 'FS_init', 'FS_quit', 'FS_findObject', 'FS_analyzePath', 'FS_createFile', 'FS_createDataFile', 'FS_forceLoadFile', 'FS_createLazyFile', 'FS_absolutePath', 'FS_createFolder', 'FS_createLink', 'FS_joinPath', 'FS_mmapAlloc', 'FS_standardizePath', 'MEMFS', 'TTY', 'PIPEFS', 'SOCKFS', 'tempFixedLengthArray', 'miniTempWebGLFloatBuffers', 'miniTempWebGLIntBuffers', 'GL', 'AL', 'GLUT', 'EGL', 'GLEW', 'IDBStore', 'SDL', 'SDL_gfx', 'allocateUTF8', 'allocateUTF8OnStack', 'print', 'printErr', 'jstoi_s', 'InternalError', 'BindingError', 'throwInternalError', 'throwBindingError', 'registeredTypes', 'awaitingDependencies', 'typeDependencies', 'tupleRegistrations', 'structRegistrations', 'sharedRegisterType', 'whenDependentTypesAreResolved', 'getTypeName', 'getFunctionName', 'heap32VectorToArray', 'requireRegisteredType', 'usesDestructorStack', 'checkArgCount', 'getRequiredArgCount', 'createJsInvoker', 'UnboundTypeError', 'EmValType', 'EmValOptionalType', 'throwUnboundTypeError', 'ensureOverloadTable', 'exposePublicSymbol', 'replacePublicSymbol', 'createNamedFunction', 'embindRepr', 'registeredInstances', 'registeredPointers', 'registerType', 'integerReadValueFromPointer', 'floatReadValueFromPointer', 'assertIntegerRange', 'readPointer', 'runDestructors', 'craftInvokerFunction', 'embind__requireFunction', 'finalizationRegistry', 'detachFinalizer_deps', 'deletionQueue', 'delayFunction', 'emval_freelist', 'emval_handles', 'emval_symbols', 'getStringOrSymbol', 'Emval', 'emval_returnValue', 'emval_lookupTypes', 'emval_methodCallers', 'emval_addMethodCaller', ]; unexportedSymbols.forEach(unexportedRuntimeSymbol); // End runtime exports // Begin JS library exports Module['incrementExceptionRefcount'] = incrementExceptionRefcount; Module['decrementExceptionRefcount'] = decrementExceptionRefcount; Module['getExceptionMessage'] = getExceptionMessage; // End JS library exports // end include: postlibrary.js function checkIncomingModuleAPI() { ignoredModuleProp('fetchSettings'); } // Imports from the Wasm binary. var _malloc = makeInvalidEarlyAccess('_malloc'); var ___cxa_free_exception = makeInvalidEarlyAccess('___cxa_free_exception'); var ___getTypeName = makeInvalidEarlyAccess('___getTypeName'); var _fflush = makeInvalidEarlyAccess('_fflush'); var _emscripten_stack_get_end = makeInvalidEarlyAccess('_emscripten_stack_get_end'); var _emscripten_stack_get_base = makeInvalidEarlyAccess('_emscripten_stack_get_base'); var _strerror = makeInvalidEarlyAccess('_strerror'); var _free = makeInvalidEarlyAccess('_free'); var _setThrew = makeInvalidEarlyAccess('_setThrew'); var __emscripten_tempret_set = makeInvalidEarlyAccess('__emscripten_tempret_set'); var _emscripten_stack_init = makeInvalidEarlyAccess('_emscripten_stack_init'); var _emscripten_stack_get_free = makeInvalidEarlyAccess('_emscripten_stack_get_free'); var __emscripten_stack_restore = makeInvalidEarlyAccess('__emscripten_stack_restore'); var __emscripten_stack_alloc = makeInvalidEarlyAccess('__emscripten_stack_alloc'); var _emscripten_stack_get_current = makeInvalidEarlyAccess('_emscripten_stack_get_current'); var ___cxa_decrement_exception_refcount = makeInvalidEarlyAccess('___cxa_decrement_exception_refcount'); var ___cxa_increment_exception_refcount = makeInvalidEarlyAccess('___cxa_increment_exception_refcount'); var ___get_exception_message = makeInvalidEarlyAccess('___get_exception_message'); var ___cxa_can_catch = makeInvalidEarlyAccess('___cxa_can_catch'); var ___cxa_get_exception_ptr = makeInvalidEarlyAccess('___cxa_get_exception_ptr'); function assignWasmExports(wasmExports) { _malloc = createExportWrapper('malloc', 1); ___cxa_free_exception = createExportWrapper('__cxa_free_exception', 1); ___getTypeName = createExportWrapper('__getTypeName', 1); _fflush = createExportWrapper('fflush', 1); _emscripten_stack_get_end = wasmExports['emscripten_stack_get_end']; _emscripten_stack_get_base = wasmExports['emscripten_stack_get_base']; _strerror = createExportWrapper('strerror', 1); _free = createExportWrapper('free', 1); _setThrew = createExportWrapper('setThrew', 2); __emscripten_tempret_set = createExportWrapper('_emscripten_tempret_set', 1); _emscripten_stack_init = wasmExports['emscripten_stack_init']; _emscripten_stack_get_free = wasmExports['emscripten_stack_get_free']; __emscripten_stack_restore = wasmExports['_emscripten_stack_restore']; __emscripten_stack_alloc = wasmExports['_emscripten_stack_alloc']; _emscripten_stack_get_current = wasmExports['emscripten_stack_get_current']; ___cxa_decrement_exception_refcount = createExportWrapper('__cxa_decrement_exception_refcount', 1); ___cxa_increment_exception_refcount = createExportWrapper('__cxa_increment_exception_refcount', 1); ___get_exception_message = createExportWrapper('__get_exception_message', 3); ___cxa_can_catch = createExportWrapper('__cxa_can_catch', 3); ___cxa_get_exception_ptr = createExportWrapper('__cxa_get_exception_ptr', 1); } var wasmImports = { /** @export */ __assert_fail: ___assert_fail, /** @export */ __cxa_begin_catch: ___cxa_begin_catch, /** @export */ __cxa_end_catch: ___cxa_end_catch, /** @export */ __cxa_find_matching_catch_2: ___cxa_find_matching_catch_2, /** @export */ __cxa_find_matching_catch_3: ___cxa_find_matching_catch_3, /** @export */ __cxa_rethrow: ___cxa_rethrow, /** @export */ __cxa_throw: ___cxa_throw, /** @export */ __cxa_uncaught_exceptions: ___cxa_uncaught_exceptions, /** @export */ __resumeException: ___resumeException, /** @export */ _abort_js: __abort_js, /** @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 */ _emval_create_invoker: __emval_create_invoker, /** @export */ _emval_decref: __emval_decref, /** @export */ _emval_get_property: __emval_get_property, /** @export */ _emval_incref: __emval_incref, /** @export */ _emval_invoke: __emval_invoke, /** @export */ _emval_new_array_from_memory_view: __emval_new_array_from_memory_view, /** @export */ _emval_run_destructors: __emval_run_destructors, /** @export */ _tzset_js: __tzset_js, /** @export */ emscripten_resize_heap: _emscripten_resize_heap, /** @export */ environ_get: _environ_get, /** @export */ environ_sizes_get: _environ_sizes_get, /** @export */ fd_close: _fd_close, /** @export */ fd_read: _fd_read, /** @export */ fd_seek: _fd_seek, /** @export */ fd_write: _fd_write, /** @export */ invoke_diii, /** @export */ invoke_fiii, /** @export */ invoke_i, /** @export */ invoke_ii, /** @export */ invoke_iii, /** @export */ invoke_iiii, /** @export */ invoke_iiiii, /** @export */ invoke_iiiiii, /** @export */ invoke_iiiiiii, /** @export */ invoke_iiiiiiii, /** @export */ invoke_iiiiiiiiiii, /** @export */ invoke_iiiiiiiiiiii, /** @export */ invoke_iiiiiiiiiiiii, /** @export */ invoke_iiiji, /** @export */ invoke_j, /** @export */ invoke_jiiii, /** @export */ invoke_jjj, /** @export */ invoke_v, /** @export */ invoke_vi, /** @export */ invoke_vii, /** @export */ invoke_viii, /** @export */ invoke_viiii, /** @export */ invoke_viiiiiii, /** @export */ invoke_viiiiiiiiii, /** @export */ invoke_viiiiiiiiiiiiiii, /** @export */ invoke_viiji, /** @export */ invoke_vij, /** @export */ invoke_vijii }; var wasmExports = await createWasm(); function invoke_vii(index,a1,a2) { var sp = stackSave(); try { getWasmTableEntry(index)(a1,a2); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_ii(index,a1) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_iii(index,a1,a2) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_vi(index,a1) { var sp = stackSave(); try { getWasmTableEntry(index)(a1); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_viii(index,a1,a2,a3) { var sp = stackSave(); try { getWasmTableEntry(index)(a1,a2,a3); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_vij(index,a1,a2) { var sp = stackSave(); try { getWasmTableEntry(index)(a1,a2); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_iiii(index,a1,a2,a3) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_viiii(index,a1,a2,a3,a4) { var sp = stackSave(); try { getWasmTableEntry(index)(a1,a2,a3,a4); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_iiiii(index,a1,a2,a3,a4) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3,a4); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_viiji(index,a1,a2,a3,a4) { var sp = stackSave(); try { getWasmTableEntry(index)(a1,a2,a3,a4); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_iiiji(index,a1,a2,a3,a4) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3,a4); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_jjj(index,a1,a2) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); return 0n; } } function invoke_vijii(index,a1,a2,a3,a4) { var sp = stackSave(); try { getWasmTableEntry(index)(a1,a2,a3,a4); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_j(index) { var sp = stackSave(); try { return getWasmTableEntry(index)(); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); return 0n; } } function invoke_iiiiiii(index,a1,a2,a3,a4,a5,a6) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_v(index) { var sp = stackSave(); try { getWasmTableEntry(index)(); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_iiiiii(index,a1,a2,a3,a4,a5) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3,a4,a5); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_iiiiiiii(index,a1,a2,a3,a4,a5,a6,a7) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_iiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_jiiii(index,a1,a2,a3,a4) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3,a4); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); return 0n; } } function invoke_iiiiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_fiii(index,a1,a2,a3) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_diii(index,a1,a2,a3) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_i(index) { var sp = stackSave(); try { return getWasmTableEntry(index)(); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_viiiiiii(index,a1,a2,a3,a4,a5,a6,a7) { var sp = stackSave(); try { getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_iiiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11) { var sp = stackSave(); try { return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_viiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) { var sp = stackSave(); try { getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } function invoke_viiiiiiiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15) { var sp = stackSave(); try { getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15); } catch(e) { stackRestore(sp); if (!(e instanceof EmscriptenEH)) throw e; _setThrew(1, 0); } } // include: postamble.js // === Auto-generated postamble setup entry stuff === var calledRun; 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) { dependenciesFulfilled = run; return; } stackCheckInit(); preRun(); // a preRun added a dependency, run will be called later if (runDependencies > 0) { dependenciesFulfilled = run; 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 assert(!calledRun); calledRun = true; Module['calledRun'] = true; if (ABORT) return; initRuntime(); readyPromiseResolve?.(Module); Module['onRuntimeInitialized']?.(); consumedModuleProp('onRuntimeInitialized'); assert(!Module['_main'], 'compiled without a main, but one is present. if you added it from JS, use Module["onRuntimeInitialized"]'); postRun(); } if (Module['setStatus']) { Module['setStatus']('Running...'); setTimeout(() => { setTimeout(() => Module['setStatus'](''), 1); doRun(); }, 1); } else { doRun(); } checkStackCookie(); } function checkUnflushedContent() { // Compiler settings do not allow exiting the runtime, so flushing // the streams is not possible. but in ASSERTIONS mode we check // if there was something to flush, and if so tell the user they // should request that the runtime be exitable. // Normally we would not even include flush() at all, but in ASSERTIONS // builds we do so just for this check, and here we see if there is any // content to flush, that is, we check if there would have been // something a non-ASSERTIONS build would have not seen. // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0 // mode (which has its own special function for this; otherwise, all // the code is inside libc) var oldOut = out; var oldErr = err; var has = false; out = err = (x) => { has = true; } try { // it doesn't matter if it fails _fflush(0); // also flush in the JS FS layer ['stdout', 'stderr'].forEach((name) => { var info = FS.analyzePath('/dev/' + name); if (!info) return; var stream = info.object; var rdev = stream.rdev; var tty = TTY.ttys[rdev]; if (tty?.output?.length) { has = true; } }); } catch(e) {} out = oldOut; err = oldErr; if (has) { warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the Emscripten FAQ), or make sure to emit a newline when you printf etc.'); } } function preInit() { if (Module['preInit']) { if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; while (Module['preInit'].length > 0) { Module['preInit'].shift()(); } } consumedModuleProp('preInit'); } preInit(); run(); // end include: postamble.js // include: postamble_modularize.js // In MODULARIZE mode we wrap the generated code in a factory function // and return either the Module itself, or a promise of the module. // // We assign to the `moduleRtn` global here and configure closure to see // this as and extern so it won't get minified. if (runtimeInitialized) { moduleRtn = Module; } else { // Set up the promise that indicates the Module is initialized moduleRtn = new Promise((resolve, reject) => { readyPromiseResolve = resolve; readyPromiseReject = reject; }); } // Assertion for attempting to access module properties on the incoming // moduleArg. In the past we used this object as the prototype of the module // and assigned properties to it, but now we return a distinct object. This // keeps the instance private until it is ready (i.e the promise has been // resolved). for (const prop of Object.keys(Module)) { if (!(prop in moduleArg)) { Object.defineProperty(moduleArg, prop, { configurable: true, get() { abort(`Access to module property ('${prop}') is no longer possible via the module constructor argument; Instead, use the result of the module constructor.`) } }); } } // end include: postamble_modularize.js return moduleRtn; }; })(); // Export using a UMD style export, or ES6 exports if selected if (typeof exports === 'object' && typeof module === 'object') { module.exports = createModule; // This default export looks redundant, but it allows TS to import this // commonjs style module. module.exports.default = createModule; } else if (typeof define === 'function' && define['amd']) define([], () => createModule);