// 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 loadWasmTtsBindings = (() => { // 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 = globalThis.document?.currentScript?.src; return async function(moduleArg = {}) { var moduleRtn; // include: shell.js // include: minimum_runtime_check.js (function() { // "30.0.0" -> 300000 function humanReadableVersionToPacked(str) { str = str.split("-")[0]; // Remove any trailing part from e.g. "12.53.3-alpha" var vers = str.split(".").slice(0, 3); while (vers.length < 3) vers.push("00"); vers = vers.map((n, i, arr) => n.padStart(2, "0")); return vers.join(""); } // 300000 -> "30.0.0" var packedVersionToHumanReadable = n => [ n / 1e4 | 0, (n / 100 | 0) % 100, n % 100 ].join("."); var TARGET_NOT_SUPPORTED = 2147483647; // Note: We use a typeof check here instead of optional chaining using // globalThis because older browsers might not have globalThis defined. var isNode = typeof process !== "undefined" && process && process.versions && process.versions.node; var currentNodeVersion = isNode ? humanReadableVersionToPacked(process.versions.node) : TARGET_NOT_SUPPORTED; if (currentNodeVersion < 160400) { throw new Error(`This emscripten-generated code requires node v${packedVersionToHumanReadable(160400)} (detected v${packedVersionToHumanReadable(currentNodeVersion)})`); } var userAgent = typeof navigator !== "undefined" && navigator.userAgent; if (!userAgent) { return; } var currentSafariVersion = userAgent.includes("Safari/") && !userAgent.includes("Chrome/") && userAgent.match(/Version\/(\d+\.?\d*\.?\d*)/) ? humanReadableVersionToPacked(userAgent.match(/Version\/(\d+\.?\d*\.?\d*)/)[1]) : TARGET_NOT_SUPPORTED; if (currentSafariVersion < 15e4) { throw new Error(`This emscripten-generated code requires Safari v${packedVersionToHumanReadable(15e4)} (detected v${currentSafariVersion})`); } var currentFirefoxVersion = userAgent.match(/Firefox\/(\d+(?:\.\d+)?)/) ? parseFloat(userAgent.match(/Firefox\/(\d+(?:\.\d+)?)/)[1]) : TARGET_NOT_SUPPORTED; if (currentFirefoxVersion < 79) { throw new Error(`This emscripten-generated code requires Firefox v79 (detected v${currentFirefoxVersion})`); } var currentChromeVersion = userAgent.match(/Chrome\/(\d+(?:\.\d+)?)/) ? parseFloat(userAgent.match(/Chrome\/(\d+(?:\.\d+)?)/)[1]) : TARGET_NOT_SUPPORTED; if (currentChromeVersion < 85) { throw new Error(`This emscripten-generated code requires Chrome v85 (detected v${currentChromeVersion})`); } })(); // end include: minimum_runtime_check.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). // Attempt to auto-detect the environment var ENVIRONMENT_IS_WEB = !!globalThis.window; var ENVIRONMENT_IS_WORKER = !!globalThis.WorkerGlobalScope; // N.b. Electron.js environment is simultaneously a NODE-environment, but // also a web environment. var ENVIRONMENT_IS_NODE = globalThis.process?.versions?.node && globalThis.process?.type != "renderer"; var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; // Three configurations we can be running in: // 1) We could be the application main() thread running in the main JS UI thread. (ENVIRONMENT_IS_WORKER == false and ENVIRONMENT_IS_PTHREAD == false) // 2) We could be the application main() running directly in a worker. (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false) // 3) We could be an application pthread running in a worker. (ENVIRONMENT_IS_WORKER == true and ENVIRONMENT_IS_PTHREAD == true) // The way we signal to a worker that it is hosting a pthread is to construct // it with a specific name. var ENVIRONMENT_IS_PTHREAD = ENVIRONMENT_IS_WORKER && self.name?.startsWith("em-pthread"); if (ENVIRONMENT_IS_PTHREAD) { assert(!globalThis.moduleLoaded, "module should only be loaded once on each pthread worker"); globalThis.moduleLoaded = true; } if (ENVIRONMENT_IS_NODE) { var worker_threads = require("worker_threads"); global.Worker = worker_threads.Worker; ENVIRONMENT_IS_WORKER = !worker_threads.isMainThread; // Under node we set `workerData` to `em-pthread` to signal that the worker // is hosting a pthread. ENVIRONMENT_IS_PTHREAD = ENVIRONMENT_IS_WORKER && worker_threads["workerData"] == "em-pthread"; } // --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; }; if (typeof __filename != "undefined") { // Node _scriptName = __filename; } else if (ENVIRONMENT_IS_WORKER) { _scriptName = self.location.href; } // `/` 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_NODE) { const isNode = globalThis.process?.versions?.node && globalThis.process?.type != "renderer"; if (!isNode) 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?)"); // These modules will usually be used on Node.js. Load them eagerly to avoid // the complexity of lazy-loading. var fs = require("fs"); scriptDirectory = __dirname + "/"; // include: node_shell_read.js readBinary = filename => { // We need to re-wrap `file://` strings to URLs. filename = isFileURI(filename) ? new URL(filename) : filename; var ret = fs.readFileSync(filename); assert(Buffer.isBuffer(ret)); return ret; }; readAsync = async (filename, binary = true) => { // See the comment in the `readBinary` function. filename = isFileURI(filename) ? new URL(filename) : filename; var ret = fs.readFileSync(filename, binary ? undefined : "utf8"); assert(binary ? Buffer.isBuffer(ret) : typeof ret == "string"); return ret; }; // end include: node_shell_read.js if (process.argv.length > 1) { thisProgram = process.argv[1].replace(/\\/g, "/"); } arguments_ = process.argv.slice(2); quit_ = (status, toThrow) => { process.exitCode = status; throw toThrow; }; } else if (ENVIRONMENT_IS_SHELL) {} 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; } catch {} if (!(globalThis.window || globalThis.WorkerGlobalScope)) throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)"); // Differentiate the Web Worker from the Node Worker case, as reading must // be done differently. if (!ENVIRONMENT_IS_NODE) { // include: web_or_worker_shell_read.js if (ENVIRONMENT_IS_WORKER) { readBinary = url => { var xhr = new XMLHttpRequest; xhr.open("GET", url, false); xhr.responseType = "arraybuffer"; xhr.send(null); return new Uint8Array(/** @type{!ArrayBuffer} */ (xhr.response)); }; } readAsync = async url => { // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. // See https://github.com/github/fetch/pull/92#issuecomment-140665932 // Cordova or Electron apps are typically loaded from a file:// url. // So use XHR on webview if URL is a file URL. if (isFileURI(url)) { return new Promise((resolve, reject) => { var xhr = new XMLHttpRequest; xhr.open("GET", url, true); xhr.responseType = "arraybuffer"; xhr.onload = () => { if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 resolve(xhr.response); return; } reject(xhr.status); }; xhr.onerror = reject; xhr.send(null); }); } var response = await fetch(url, { credentials: "same-origin" }); if (response.ok) { return response.arrayBuffer(); } throw new Error(response.status + " : " + response.url); }; } } else { throw new Error("environment detection error"); } // Set up the out() and err() hooks, which are how we can print to stdout or // stderr, respectively. // Normally just binding console.log/console.error here works fine, but // under node (with workers) we see missing/out-of-order messages so route // directly to stdout and stderr. // See https://github.com/emscripten-core/emscripten/issues/14804 var defaultPrint = console.log.bind(console); var defaultPrintErr = console.error.bind(console); if (ENVIRONMENT_IS_NODE) { var utils = require("util"); var stringify = a => typeof a == "object" ? utils.inspect(a) : a; defaultPrint = (...args) => fs.writeSync(1, args.map(stringify).join(" ") + "\n"); defaultPrintErr = (...args) => fs.writeSync(2, args.map(stringify).join(" ") + "\n"); } var out = defaultPrint; var err = defaultPrintErr; // 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_WEB || ENVIRONMENT_IS_WORKER || ENVIRONMENT_IS_NODE, "Pthreads do not work in this environment yet (need Web Workers, or an alternative to them)"); assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add `shell` to `-sENVIRONMENT` to enable."); // end include: shell.js // include: preamble.js // === Preamble library stuff === // Documentation for the public APIs defined in this file must be updated in: // site/source/docs/api_reference/preamble.js.rst // A prebuilt local version of the documentation is available at: // site/build/text/docs/api_reference/preamble.js.txt // You can also build docs locally as HTML or other formats in site/ // An online HTML version (which may be of a different version of Emscripten) // is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html var wasmBinary; if (!globalThis.WebAssembly) { err("no native wasm support detected"); } // Wasm globals // For sending to workers. var wasmModule; //======================================== // Runtime essentials //======================================== // whether we are quitting the application. no code should run after this. // set in exit() and abort() var ABORT = false; // set by exit() and abort(). Passed to 'onExit' handler. // NOTE: This is also used as the process return code code in shell environments // but only when noExitRuntime is false. var EXITSTATUS; // In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we // don't define it at all in release modes. This matches the behaviour of // MINIMAL_RUNTIME. // TODO(sbc): Make this the default even without STRICT enabled. /** @type {function(*, string=)} */ function assert(condition, text) { if (!condition) { abort("Assertion failed" + (text ? ": " + text : "")); } } // We used to include malloc/free by default in the past. Show a helpful error in // builds with assertions. /** * 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)] = 34821223; HEAPU32[(((max) + (4)) >> 2)] = 2310721022; // 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 != 34821223 || cookie2 != 2310721022) { abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`); } // Also test the global address 0 for integrity. if (HEAPU32[((0) >> 2)] != 1668509029) { abort("Runtime error: The application has corrupted its heap memory area (address zero)!"); } } // end include: runtime_stack_check.js // include: runtime_exceptions.js // end include: runtime_exceptions.js // include: runtime_debug.js var runtimeDebug = true; // Switch to false at runtime to disable logging at the right times // Used by XXXXX_DEBUG settings to output debug messages. function dbg(...args) { if (!runtimeDebug && typeof runtimeDebug != "undefined") return; // Avoid using the console for debugging in multi-threaded node applications // See https://github.com/emscripten-core/emscripten/issues/14804 if (ENVIRONMENT_IS_NODE) { // TODO(sbc): Unify with err/out implementation in shell.sh. var fs = require("fs"); var utils = require("util"); function stringify(a) { switch (typeof a) { case "object": return utils.inspect(a); case "undefined": return "undefined"; } return a; } fs.writeSync(2, args.map(stringify).join(" ") + "\n"); } else // TODO(sbc): Make this configurable somehow. Its not always convenient for // logging to show up as warnings. console.warn(...args); } // Endianness check (() => { var h16 = new Int16Array(1); var h8 = new Int8Array(h16.buffer); h16[0] = 25459; if (h8[0] !== 115 || h8[1] !== 99) abort("Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)"); })(); function consumedModuleProp(prop) { if (!Object.getOwnPropertyDescriptor(Module, prop)) { Object.defineProperty(Module, prop, { configurable: true, set() { abort(`Attempt to set \`Module.${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 \`${prop}\` not included in INCOMING_MODULE_JS_API`); } } // forcing the filesystem exports a few things by default function isExportedByForceFilesystem(name) { return name === "FS_createPath" || name === "FS_createDataFile" || name === "FS_createPreloadedFile" || name === "FS_preloadFile" || name === "FS_unlink" || name === "addRunDependency" || // The old FS has some functionality that WasmFS lacks. name === "FS_createLazyFile" || name === "FS_createDevice" || name === "removeRunDependency"; } function missingLibrarySymbol(sym) { // Any symbol that is not included from the JS library is also (by definition) // not exported on the Module object. unexportedRuntimeSymbol(sym); } function unexportedRuntimeSymbol(sym) { if (ENVIRONMENT_IS_PTHREAD) { return; } if (!Object.getOwnPropertyDescriptor(Module, sym)) { Object.defineProperty(Module, sym, { configurable: true, get() { var msg = `'${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); } }); } } /** * Override `err`/`out`/`dbg` to report thread / worker information */ function initWorkerLogging() { function getLogPrefix() { var t = 0; if (runtimeInitialized && typeof _pthread_self != "undefined") { t = _pthread_self(); } return `w:${workerID},t:${ptrToString(t)}:`; } // Prefix all dbg() messages with the calling thread info. var origDbg = dbg; dbg = (...args) => origDbg(getLogPrefix(), ...args); } initWorkerLogging(); // end include: runtime_debug.js var readyPromiseResolve, readyPromiseReject; if (ENVIRONMENT_IS_NODE && (ENVIRONMENT_IS_PTHREAD)) { // Create as web-worker-like an environment as we can. var parentPort = worker_threads["parentPort"]; parentPort.on("message", msg => global.onmessage?.({ data: msg })); Object.assign(globalThis, { self: global, postMessage: msg => parentPort["postMessage"](msg) }); // Node.js Workers do not pass postMessage()s and uncaught exception events to the parent // thread necessarily in the same order where they were generated in sequential program order. // See https://github.com/nodejs/node/issues/59617 // To remedy this, capture all uncaughtExceptions in the Worker, and sequentialize those over // to the same postMessage pipe that other messages use. process.on("uncaughtException", err => { postMessage({ cmd: "uncaughtException", error: err }); // Also shut down the Worker to match the same semantics as if this uncaughtException // handler was not registered. // (n.b. this will not shut down the whole Node.js app process, but just the Worker) process.exit(1); }); } // include: runtime_pthread.js // Pthread Web Worker handling code. // This code runs only on pthread web workers and handles pthread setup // and communication with the main thread via postMessage. // Unique ID of the current pthread worker (zero on non-pthread-workers // including the main thread). var workerID = 0; var startWorker; if (ENVIRONMENT_IS_PTHREAD) { // Thread-local guard variable for one-time init of the JS state var initializedJS = false; // Turn unhandled rejected promises into errors so that the main thread will be // notified about them. self.onunhandledrejection = e => { throw e.reason || e; }; function handleMessage(e) { try { var msgData = e["data"]; //dbg('msgData: ' + Object.keys(msgData)); var cmd = msgData.cmd; if (cmd === "load") { // Preload command that is called once per worker to parse and load the Emscripten code. workerID = msgData.workerID; // Until we initialize the runtime, queue up any further incoming messages. let messageQueue = []; self.onmessage = e => messageQueue.push(e); // And add a callback for when the runtime is initialized. startWorker = () => { // Notify the main thread that this thread has loaded. postMessage({ cmd: "loaded" }); // Process any messages that were queued before the thread was ready. for (let msg of messageQueue) { handleMessage(msg); } // Restore the real message handler. self.onmessage = handleMessage; }; // Use `const` here to ensure that the variable is scoped only to // that iteration, allowing safe reference from a closure. for (const handler of msgData.handlers) { // The the main module has a handler for a certain even, but no // handler exists on the pthread worker, then proxy that handler // back to the main thread. if (!Module[handler] || Module[handler].proxy) { Module[handler] = (...args) => { postMessage({ cmd: "callHandler", handler, args }); }; // Rebind the out / err handlers if needed if (handler == "print") out = Module[handler]; if (handler == "printErr") err = Module[handler]; } } wasmMemory = msgData.wasmMemory; updateMemoryViews(); wasmModule = msgData.wasmModule; createWasm(); run(); } else if (cmd === "run") { assert(msgData.pthread_ptr); // Call inside JS module to set up the stack frame for this pthread in JS module scope. // This needs to be the first thing that we do, as we cannot call to any C/C++ functions // until the thread stack is initialized. establishStackSpace(msgData.pthread_ptr); // Pass the thread address to wasm to store it for fast access. __emscripten_thread_init(msgData.pthread_ptr, /*is_main=*/ 0, /*is_runtime=*/ 0, /*can_block=*/ 1, 0, 0); PThread.threadInitTLS(); // Await mailbox notifications with `Atomics.waitAsync` so we can start // using the fast `Atomics.notify` notification path. __emscripten_thread_mailbox_await(msgData.pthread_ptr); if (!initializedJS) { // Embind must initialize itself on all threads, as it generates support JS. // We only do this once per worker since they get reused __embind_initialize_bindings(); initializedJS = true; } try { invokeEntryPoint(msgData.start_routine, msgData.arg); } catch (ex) { if (ex != "unwind") { // The pthread "crashed". Do not call `_emscripten_thread_exit` (which // would make this thread joinable). Instead, re-throw the exception // and let the top level handler propagate it back to the main thread. throw ex; } } } else if (msgData.target === "setimmediate") {} else if (cmd === "checkMailbox") { if (initializedJS) { checkMailbox(); } } else if (cmd) { // The received message looks like something that should be handled by this message // handler, (since there is a cmd field present), but is not one of the // recognized commands: err(`worker: received unknown command ${cmd}`); err(msgData); } } catch (ex) { err(`worker: onmessage() captured an uncaught exception: ${ex}`); if (ex?.stack) err(ex.stack); __emscripten_thread_crashed(); throw ex; } } self.onmessage = handleMessage; } // ENVIRONMENT_IS_PTHREAD // end include: runtime_pthread.js // Memory management 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; var runtimeInitialized = false; function updateMemoryViews() { var b = wasmMemory.buffer; HEAP8 = new Int8Array(b); HEAP16 = new Int16Array(b); Module["HEAPU8"] = HEAPU8 = new Uint8Array(b); HEAPU16 = new Uint16Array(b); HEAP32 = new Int32Array(b); HEAPU32 = new Uint32Array(b); HEAPF32 = new Float32Array(b); HEAPF64 = new Float64Array(b); } // In non-standalone/normal mode, we create the memory here. // include: runtime_init_memory.js // Create the wasm memory. (Note: this only applies if IMPORTED_MEMORY is defined) // check for full engine support (use string 'subarray' to avoid closure compiler confusion) function initMemory() { if ((ENVIRONMENT_IS_PTHREAD)) { return; } if (Module["wasmMemory"]) { wasmMemory = Module["wasmMemory"]; } else { var INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 536870912; assert(INITIAL_MEMORY >= 65536, "INITIAL_MEMORY should be larger than STACK_SIZE, was " + INITIAL_MEMORY + "! (STACK_SIZE=" + 65536 + ")"); /** @suppress {checkTypes} */ wasmMemory = new WebAssembly.Memory({ "initial": INITIAL_MEMORY / 65536, "maximum": INITIAL_MEMORY / 65536, "shared": true }); } updateMemoryViews(); } // end include: runtime_init_memory.js // include: memoryprofiler.js // end include: memoryprofiler.js // end include: runtime_common.js assert(globalThis.Int32Array && globalThis.Float64Array && Int32Array.prototype.subarray && Int32Array.prototype.set, "JS engine does not provide full typed array support"); function preRun() { assert(!ENVIRONMENT_IS_PTHREAD); // PThreads reuse the runtime from the main thread. if (Module["preRun"]) { if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ]; while (Module["preRun"].length) { addOnPreRun(Module["preRun"].shift()); } } consumedModuleProp("preRun"); // Begin ATPRERUNS hooks callRuntimeCallbacks(onPreRuns); } function initRuntime() { assert(!runtimeInitialized); runtimeInitialized = true; if (ENVIRONMENT_IS_PTHREAD) return startWorker(); 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; } function postRun() { checkStackCookie(); if ((ENVIRONMENT_IS_PTHREAD)) { return; } // PThreads reuse the runtime from the main thread. if (Module["postRun"]) { if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ]; while (Module["postRun"].length) { addOnPostRun(Module["postRun"].shift()); } } consumedModuleProp("postRun"); // Begin ATPOSTRUNS hooks callRuntimeCallbacks(onPostRuns); } /** @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("bindings_main.wasm"); } function getBinarySync(file) { if (file == wasmBinaryFile && wasmBinary) { return new Uint8Array(wasmBinary); } if (readBinary) { return readBinary(file); } // Throwing a plain string here, even though it not normally adviables since // this gets turning into an `abort` in instantiateArrayBuffer. 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 {} } // 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: ${reason}`); // Warn on some common problems. if (isFileURI(binaryFile)) { err(`warning: Loading from a file URI (${binaryFile}) 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 && !isFileURI(binaryFile) && !ENVIRONMENT_IS_NODE) { 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"); } } return instantiateArrayBuffer(binaryFile, imports); } function getWasmImports() { assignWasmImports(); // prepare imports var imports = { "env": wasmImports, "wasi_snapshot_preview1": wasmImports }; return imports; } // 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; registerTLSInit(wasmExports["_emscripten_tls_init"]); assignWasmExports(wasmExports); // We now have the Wasm module loaded up, keep a reference to the compiled module so we can post it to the workers. wasmModule = module; return wasmExports; } // 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; return receiveInstance(result["instance"], result["module"]); } 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, (inst, mod) => { resolve(receiveInstance(inst, mod)); }); } catch (e) { err(`Module.instantiateWasm callback failed with error: ${e}`); reject(e); } }); } if ((ENVIRONMENT_IS_PTHREAD)) { // Instantiate from the module that was recieved via postMessage from // the main thread. We can just use sync instantiation in the worker. assert(wasmModule, "wasmModule should have been received via postMessage"); var instance = new WebAssembly.Instance(wasmModule, getWasmImports()); return receiveInstance(instance, wasmModule); } wasmBinaryFile ??= findWasmBinary(); var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info); var exports = receiveInstantiationResult(result); return exports; } // Globals used by JS i64 conversions (see makeSetValue) var tempDouble; var tempI64; // end include: preamble.js // Begin JS library code class ExitStatus { name="ExitStatus"; constructor(status) { this.message = `Program terminated with exit(${status})`; this.status = status; } } var terminateWorker = worker => { worker.terminate(); // terminate() can be asynchronous, so in theory the worker can continue // to run for some amount of time after termination. However from our POV // the worker now dead and we don't want to hear from it again, so we stub // out its message handler here. This avoids having to check in each of // the onmessage handlers if the message was coming from valid worker. worker.onmessage = e => { var cmd = e["data"].cmd; err(`received "${cmd}" command from terminated worker: ${worker.workerID}`); }; }; var cleanupThread = pthread_ptr => { assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! cleanupThread() can only ever be called from main application thread!"); assert(pthread_ptr, "Internal Error! Null pthread_ptr in cleanupThread!"); var worker = PThread.pthreads[pthread_ptr]; assert(worker); PThread.returnWorkerToPool(worker); }; var callRuntimeCallbacks = callbacks => { while (callbacks.length > 0) { // Pass the module as the first argument. callbacks.shift()(Module); } }; var onPreRuns = []; var addOnPreRun = cb => onPreRuns.push(cb); var runDependencies = 0; var dependenciesFulfilled = null; var runDependencyTracking = {}; var runDependencyWatcher = null; var removeRunDependency = id => { runDependencies--; Module["monitorRunDependencies"]?.(runDependencies); assert(id, "removeRunDependency requires an ID"); assert(runDependencyTracking[id]); delete runDependencyTracking[id]; if (runDependencies == 0) { if (runDependencyWatcher !== null) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; } if (dependenciesFulfilled) { var callback = dependenciesFulfilled; dependenciesFulfilled = null; callback(); } } }; var addRunDependency = id => { runDependencies++; Module["monitorRunDependencies"]?.(runDependencies); assert(id, "addRunDependency requires an ID"); assert(!runDependencyTracking[id]); runDependencyTracking[id] = 1; if (runDependencyWatcher === null && globalThis.setInterval) { // 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)"); } }, 1e4); // Prevent this timer from keeping the runtime alive if nothing // else is. runDependencyWatcher.unref?.(); } }; var spawnThread = threadParams => { assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! spawnThread() can only ever be called from main application thread!"); assert(threadParams.pthread_ptr, "Internal error, no pthread ptr!"); var worker = PThread.getNewWorker(); if (!worker) { // No available workers in the PThread pool. return 6; } assert(!worker.pthread_ptr, "Internal error!"); PThread.runningWorkers.push(worker); // Add to pthreads map PThread.pthreads[threadParams.pthread_ptr] = worker; worker.pthread_ptr = threadParams.pthread_ptr; var msg = { cmd: "run", start_routine: threadParams.startRoutine, arg: threadParams.arg, pthread_ptr: threadParams.pthread_ptr }; if (ENVIRONMENT_IS_NODE) { // Mark worker as weakly referenced once we start executing a pthread, // so that its existence does not prevent Node.js from exiting. This // has no effect if the worker is already weakly referenced (e.g. if // this worker was previously idle/unused). worker.unref(); } // Ask the worker to start executing its pthread entry point function. worker.postMessage(msg, threadParams.transferList); return 0; }; var runtimeKeepaliveCounter = 0; var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0; var stackSave = () => _emscripten_stack_get_current(); var stackRestore = val => __emscripten_stack_restore(val); var stackAlloc = sz => __emscripten_stack_alloc(sz); /** @type{function(number, (number|boolean), ...number)} */ var proxyToMainThread = (funcIndex, emAsmAddr, sync, ...callArgs) => { // EM_ASM proxying is done by passing a pointer to the address of the EM_ASM // content as `emAsmAddr`. JS library proxying is done by passing an index // into `proxiedJSCallArgs` as `funcIndex`. If `emAsmAddr` is non-zero then // `funcIndex` will be ignored. // Additional arguments are passed after the first three are the actual // function arguments. // The serialization buffer contains the number of call params, and then // all the args here. // We also pass 'sync' to C separately, since C needs to look at it. // Allocate a buffer, which will be copied by the C code. // First passed parameter specifies the number of arguments to the function. // When BigInt support is enabled, we must handle types in a more complex // way, detecting at runtime if a value is a BigInt or not (as we have no // type info here). To do that, add a "prefix" before each value that // indicates if it is a BigInt, which effectively doubles the number of // values we serialize for proxying. TODO: pack this? var serializedNumCallArgs = callArgs.length; var sp = stackSave(); var args = stackAlloc(serializedNumCallArgs * 8); var b = ((args) >> 3); for (var i = 0; i < callArgs.length; i++) { var arg = callArgs[i]; HEAPF64[b + i] = arg; } var rtn = __emscripten_run_js_on_main_thread(funcIndex, emAsmAddr, serializedNumCallArgs, args, sync); stackRestore(sp); return rtn; }; function _proc_exit(code) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(0, 0, 1, code); EXITSTATUS = code; if (!keepRuntimeAlive()) { PThread.terminateAllThreads(); Module["onExit"]?.(code); ABORT = true; } quit_(code, new ExitStatus(code)); } function exitOnMainThread(returnCode) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(1, 0, 0, returnCode); _exit(returnCode); } /** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => { EXITSTATUS = status; checkUnflushedContent(); if (ENVIRONMENT_IS_PTHREAD) { // implicit exit can never happen on a pthread assert(!implicit); // When running in a pthread we propagate the exit back to the main thread // where it can decide if the whole process should be shut down or not. // The pthread may have decided not to exit its own runtime, for example // because it runs a main loop, but that doesn't affect the main thread. exitOnMainThread(status); throw "unwind"; } // if exit() was called explicitly, warn the user if the runtime isn't actually being shut down if (keepRuntimeAlive() && !implicit) { var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`; readyPromiseReject?.(msg); err(msg); } _proc_exit(status); }; var _exit = exitJS; var ptrToString = ptr => { assert(typeof ptr === "number", `ptrToString expects a number, got ${typeof ptr}`); // Convert to 32-bit unsigned value ptr >>>= 0; return "0x" + ptr.toString(16).padStart(8, "0"); }; var PThread = { unusedWorkers: [], runningWorkers: [], tlsInitFunctions: [], pthreads: {}, nextWorkerID: 1, init() { if ((!(ENVIRONMENT_IS_PTHREAD))) { PThread.initMainThread(); } }, initMainThread() { var pthreadPoolSize = 10; // Start loading up the Worker pool, if requested. while (pthreadPoolSize--) { PThread.allocateUnusedWorker(); } // MINIMAL_RUNTIME takes care of calling loadWasmModuleToAllWorkers // in postamble_minimal.js addOnPreRun(async () => { var pthreadPoolReady = PThread.loadWasmModuleToAllWorkers(); addRunDependency("loading-workers"); await pthreadPoolReady; removeRunDependency("loading-workers"); }); }, terminateAllThreads: () => { assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! terminateAllThreads() can only ever be called from main application thread!"); // Attempt to kill all workers. Sadly (at least on the web) there is no // way to terminate a worker synchronously, or to be notified when a // worker in actually terminated. This means there is some risk that // pthreads will continue to be executing after `worker.terminate` has // returned. For this reason, we don't call `returnWorkerToPool` here or // free the underlying pthread data structures. for (var worker of PThread.runningWorkers) { terminateWorker(worker); } for (var worker of PThread.unusedWorkers) { terminateWorker(worker); } PThread.unusedWorkers = []; PThread.runningWorkers = []; PThread.pthreads = {}; }, returnWorkerToPool: worker => { // We don't want to run main thread queued calls here, since we are doing // some operations that leave the worker queue in an invalid state until // we are completely done (it would be bad if free() ends up calling a // queued pthread_create which looks at the global data structures we are // modifying). To achieve that, defer the free() til the very end, when // we are all done. var pthread_ptr = worker.pthread_ptr; delete PThread.pthreads[pthread_ptr]; // Note: worker is intentionally not terminated so the pool can // dynamically grow. PThread.unusedWorkers.push(worker); PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker), 1); // Not a running Worker anymore // Detach the worker from the pthread object, and return it to the // worker pool as an unused worker. worker.pthread_ptr = 0; // Finally, free the underlying (and now-unused) pthread structure in // linear memory. __emscripten_thread_free_data(pthread_ptr); }, threadInitTLS() { // Call thread init functions (these are the _emscripten_tls_init for each // module loaded. PThread.tlsInitFunctions.forEach(f => f()); }, loadWasmModuleToWorker: worker => new Promise(onFinishedLoading => { worker.onmessage = e => { var d = e["data"]; var cmd = d.cmd; // If this message is intended to a recipient that is not the main // thread, forward it to the target thread. if (d.targetThread && d.targetThread != _pthread_self()) { var targetWorker = PThread.pthreads[d.targetThread]; if (targetWorker) { targetWorker.postMessage(d, d.transferList); } else { err(`Internal error! Worker sent a message "${cmd}" to target pthread ${d.targetThread}, but that thread no longer exists!`); } return; } if (cmd === "checkMailbox") { checkMailbox(); } else if (cmd === "spawnThread") { spawnThread(d); } else if (cmd === "cleanupThread") { // cleanupThread needs to be run via callUserCallback since it calls // back into user code to free thread data. Without this it's possible // the unwind or ExitStatus exception could escape here. callUserCallback(() => cleanupThread(d.thread)); } else if (cmd === "loaded") { worker.loaded = true; // Check that this worker doesn't have an associated pthread. if (ENVIRONMENT_IS_NODE && !worker.pthread_ptr) { // Once worker is loaded & idle, mark it as weakly referenced, // so that mere existence of a Worker in the pool does not prevent // Node.js from exiting the app. worker.unref(); } onFinishedLoading(worker); } else if (d.target === "setimmediate") { // Worker wants to postMessage() to itself to implement setImmediate() // emulation. worker.postMessage(d); } else if (cmd === "uncaughtException") { // Message handler for Node.js specific out-of-order behavior: // https://github.com/nodejs/node/issues/59617 // A pthread sent an uncaught exception event. Re-raise it on the main thread. worker.onerror(d.error); } else if (cmd === "callHandler") { Module[d.handler](...d.args); } else if (cmd) { // The received message looks like something that should be handled by this message // handler, (since there is a e.data.cmd field present), but is not one of the // recognized commands: err(`worker sent an unknown command ${cmd}`); } }; worker.onerror = e => { var message = "worker sent an error!"; if (worker.pthread_ptr) { message = `Pthread ${ptrToString(worker.pthread_ptr)} sent an error!`; } err(`${message} ${e.filename}:${e.lineno}: ${e.message}`); throw e; }; if (ENVIRONMENT_IS_NODE) { worker.on("message", data => worker.onmessage({ data })); worker.on("error", e => worker.onerror(e)); } assert(wasmMemory instanceof WebAssembly.Memory, "WebAssembly memory should have been loaded by now!"); assert(wasmModule instanceof WebAssembly.Module, "WebAssembly Module should have been loaded by now!"); // When running on a pthread, none of the incoming parameters on the module // object are present. Proxy known handlers back to the main thread if specified. var handlers = []; var knownHandlers = [ "onExit", "onAbort", "print", "printErr" ]; for (var handler of knownHandlers) { if (Module.propertyIsEnumerable(handler)) { handlers.push(handler); } } // Ask the new worker to load up the Emscripten-compiled page. This is a heavy operation. worker.postMessage({ cmd: "load", handlers, wasmMemory, wasmModule, "workerID": worker.workerID }); }), async loadWasmModuleToAllWorkers() { // Instantiation is synchronous in pthreads. if (ENVIRONMENT_IS_PTHREAD) { return; } let pthreadPoolReady = Promise.all(PThread.unusedWorkers.map(PThread.loadWasmModuleToWorker)); return pthreadPoolReady; }, allocateUnusedWorker() { var worker; var pthreadMainJs = _scriptName; // We can't use makeModuleReceiveWithVar here since we want to also // call URL.createObjectURL on the mainScriptUrlOrBlob. if (Module["mainScriptUrlOrBlob"]) { pthreadMainJs = Module["mainScriptUrlOrBlob"]; if (typeof pthreadMainJs != "string") { pthreadMainJs = URL.createObjectURL(pthreadMainJs); } } // Use Trusted Types compatible wrappers. if (globalThis.trustedTypes?.createPolicy) { var p = trustedTypes.createPolicy("emscripten#workerPolicy2", { createScriptURL: ignored => pthreadMainJs }); worker = new Worker(p.createScriptURL("ignored"), { // This is the way that we signal to the node worker that it is hosting // a pthread. "workerData": "em-pthread", // This is the way that we signal to the Web Worker that it is hosting // a pthread. "name": "em-pthread-" + PThread.nextWorkerID }); } else worker = new Worker(pthreadMainJs, { // This is the way that we signal to the node worker that it is hosting // a pthread. "workerData": "em-pthread", // This is the way that we signal to the Web Worker that it is hosting // a pthread. "name": "em-pthread-" + PThread.nextWorkerID }); worker.workerID = PThread.nextWorkerID++; PThread.unusedWorkers.push(worker); }, getNewWorker() { if (PThread.unusedWorkers.length == 0) { // PTHREAD_POOL_SIZE_STRICT should show a warning and, if set to level `2`, return from the function. // However, if we're in Node.js, then we can create new workers on the fly and PTHREAD_POOL_SIZE_STRICT // should be ignored altogether. if (!ENVIRONMENT_IS_NODE) { err("Tried to spawn a new thread, but the thread pool is exhausted.\n" + "This might result in a deadlock unless some threads eventually exit or the code explicitly breaks out to the event loop.\n" + "If you want to increase the pool size, use setting `-sPTHREAD_POOL_SIZE=...`." + "\nIf you want to throw an explicit error instead of the risk of deadlocking in those cases, use setting `-sPTHREAD_POOL_SIZE_STRICT=2`."); } PThread.allocateUnusedWorker(); PThread.loadWasmModuleToWorker(PThread.unusedWorkers[0]); } return PThread.unusedWorkers.pop(); } }; var onPostRuns = []; var addOnPostRun = cb => onPostRuns.push(cb); function establishStackSpace(pthread_ptr) { var stackHigh = HEAPU32[(((pthread_ptr) + (52)) >> 2)]; var stackSize = HEAPU32[(((pthread_ptr) + (56)) >> 2)]; var stackLow = stackHigh - stackSize; assert(stackHigh != 0); assert(stackLow != 0); assert(stackHigh > stackLow, "stackHigh must be higher then stackLow"); // Set stack limits used by `emscripten/stack.h` function. These limits are // cached in wasm-side globals to make checks as fast as possible. _emscripten_stack_set_limits(stackHigh, stackLow); // Call inside wasm module to set up the stack frame for this pthread in wasm module scope stackRestore(stackHigh); // Write the stack cookie last, after we have set up the proper bounds and // current position of the stack. writeStackCookie(); } var wasmTableMirror = []; 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 invokeEntryPoint = (ptr, arg) => { // An old thread on this worker may have been canceled without returning the // `runtimeKeepaliveCounter` to zero. Reset it now so the new thread won't // be affected. runtimeKeepaliveCounter = 0; // Same for noExitRuntime. The default for pthreads should always be false // otherwise pthreads would never complete and attempts to pthread_join to // them would block forever. // pthreads can still choose to set `noExitRuntime` explicitly, or // call emscripten_unwind_to_js_event_loop to extend their lifetime beyond // their main function. See comment in src/runtime_pthread.js for more. noExitRuntime = 0; // pthread entry points are always of signature 'void *ThreadMain(void *arg)' // Native codebases sometimes spawn threads with other thread entry point // signatures, such as void ThreadMain(void *arg), void *ThreadMain(), or // void ThreadMain(). That is not acceptable per C/C++ specification, but // x86 compiler ABI extensions enable that to work. If you find the // following line to crash, either change the signature to "proper" void // *ThreadMain(void *arg) form, or try linking with the Emscripten linker // flag -sEMULATE_FUNCTION_POINTER_CASTS to add in emulation for this x86 // ABI extension. var result = getWasmTableEntry(ptr)(arg); checkStackCookie(); function finish(result) { // In MINIMAL_RUNTIME the noExitRuntime concept does not apply to // pthreads. To exit a pthread with live runtime, use the function // emscripten_unwind_to_js_event_loop() in the pthread body. if (keepRuntimeAlive()) { EXITSTATUS = result; return; } __emscripten_thread_exit(result); } finish(result); }; var noExitRuntime = true; var registerTLSInit = tlsInitFunc => PThread.tlsInitFunctions.push(tlsInitFunc); var warnOnce = text => { warnOnce.shown ||= {}; if (!warnOnce.shown[text]) { warnOnce.shown[text] = 1; if (ENVIRONMENT_IS_NODE) text = "warning: " + text; err(text); } }; var wasmMemory; var UTF8Decoder = new TextDecoder; 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 '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})`); if (!ptr) return ""; var end = findStringEnd(HEAPU8, ptr, maxBytesToRead, ignoreNul); return UTF8Decoder.decode(HEAPU8.slice(ptr, end)); }; var ___assert_fail = (condition, filename, line, func) => abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [ filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function" ]); class ExceptionInfo { // excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it. constructor(excPtr) { this.excPtr = excPtr; this.ptr = excPtr - 24; } set_type(type) { HEAPU32[(((this.ptr) + (4)) >> 2)] = type; } get_type() { return HEAPU32[(((this.ptr) + (4)) >> 2)]; } set_destructor(destructor) { HEAPU32[(((this.ptr) + (8)) >> 2)] = destructor; } get_destructor() { return HEAPU32[(((this.ptr) + (8)) >> 2)]; } set_caught(caught) { caught = caught ? 1 : 0; HEAP8[(this.ptr) + (12)] = caught; } get_caught() { return HEAP8[(this.ptr) + (12)] != 0; } set_rethrown(rethrown) { rethrown = rethrown ? 1 : 0; HEAP8[(this.ptr) + (13)] = rethrown; } get_rethrown() { return HEAP8[(this.ptr) + (13)] != 0; } // Initialize native structure fields. Should be called once after allocated. init(type, destructor) { this.set_adjusted_ptr(0); this.set_type(type); this.set_destructor(destructor); } set_adjusted_ptr(adjustedPtr) { HEAPU32[(((this.ptr) + (16)) >> 2)] = adjustedPtr; } get_adjusted_ptr() { return HEAPU32[(((this.ptr) + (16)) >> 2)]; } } var exceptionLast = 0; var uncaughtExceptionCount = 0; var ___cxa_throw = (ptr, type, destructor) => { var info = new ExceptionInfo(ptr); // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception. info.init(type, destructor); exceptionLast = ptr; uncaughtExceptionCount++; assert(false, "Exception thrown, but exception catching is not enabled. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch."); }; function pthreadCreateProxied(pthread_ptr, attr, startRoutine, arg) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(2, 0, 1, pthread_ptr, attr, startRoutine, arg); return ___pthread_create_js(pthread_ptr, attr, startRoutine, arg); } var _emscripten_has_threading_support = () => !!globalThis.SharedArrayBuffer; var ___pthread_create_js = (pthread_ptr, attr, startRoutine, arg) => { if (!_emscripten_has_threading_support()) { dbg("pthread_create: environment does not support SharedArrayBuffer, pthreads are not available"); return 6; } // List of JS objects that will transfer ownership to the Worker hosting the thread var transferList = []; var error = 0; // Synchronously proxy the thread creation to main thread if possible. If we // need to transfer ownership of objects, then proxy asynchronously via // postMessage. if (ENVIRONMENT_IS_PTHREAD && (transferList.length === 0 || error)) { return pthreadCreateProxied(pthread_ptr, attr, startRoutine, arg); } // If on the main thread, and accessing Canvas/OffscreenCanvas failed, abort // with the detected error. if (error) return error; var threadParams = { startRoutine, pthread_ptr, arg, transferList }; if (ENVIRONMENT_IS_PTHREAD) { // The prepopulated pool of web workers that can host pthreads is stored // in the main JS thread. Therefore if a pthread is attempting to spawn a // new thread, the thread creation must be deferred to the main JS thread. threadParams.cmd = "spawnThread"; postMessage(threadParams, transferList); // When we defer thread creation this way, we have no way to detect thread // creation synchronously today, so we have to assume success and return 0. return 0; } // We are the main thread, so we have the pthread warmup pool in this // thread and can fire off JS thread creation directly ourselves. return spawnThread(threadParams); }; 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 = () => { // This block is not needed on v19+ since crypto.getRandomValues is builtin if (ENVIRONMENT_IS_NODE) { var nodeCrypto = require("crypto"); return view => nodeCrypto.randomFillSync(view); } // like with most Web APIs, we can't use Web Crypto API directly on shared memory, // so we need to create an intermediate buffer and copy it to the destination return view => view.set(crypto.getRandomValues(new Uint8Array(view.byteLength))); }; 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 ""; } 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("/"); } }; /** * 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); return UTF8Decoder.decode(heapOrArray.buffer ? heapOrArray.buffer instanceof ArrayBuffer ? heapOrArray.subarray(idx, endPtr) : heapOrArray.slice(idx, endPtr) : new Uint8Array(heapOrArray.slice(idx, endPtr))); }; var FS_stdin_getChar_buffer = []; var lengthBytesUTF8 = str => { var len = 0; for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code // unit, not a Unicode code point of the character! So decode // UTF16->UTF32->UTF8. // See http://unicode.org/faq/utf_bom.html#utf16-3 var c = str.charCodeAt(i); // possibly a lead surrogate if (c <= 127) { len++; } else if (c <= 2047) { len += 2; } else if (c >= 55296 && c <= 57343) { len += 4; ++i; } else { len += 3; } } return len; }; var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => { assert(typeof str === "string", `stringToUTF8Array expects a string (got ${typeof str})`); // Parameter maxBytesToWrite is not optional. Negative values, 0, null, // undefined and false each don't write out any bytes. if (!(maxBytesToWrite > 0)) return 0; var startIdx = outIdx; var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. for (var i = 0; i < str.length; ++i) { // 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 <= 127) { if (outIdx >= endIdx) break; heap[outIdx++] = u; } else if (u <= 2047) { if (outIdx + 1 >= endIdx) break; heap[outIdx++] = 192 | (u >> 6); heap[outIdx++] = 128 | (u & 63); } else if (u <= 65535) { if (outIdx + 2 >= endIdx) break; heap[outIdx++] = 224 | (u >> 12); heap[outIdx++] = 128 | ((u >> 6) & 63); heap[outIdx++] = 128 | (u & 63); } else { if (outIdx + 3 >= endIdx) break; if (u > 1114111) 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++] = 240 | (u >> 18); heap[outIdx++] = 128 | ((u >> 12) & 63); heap[outIdx++] = 128 | ((u >> 6) & 63); heap[outIdx++] = 128 | (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; }; /** @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 (ENVIRONMENT_IS_NODE) { // we will read data by chunks of BUFSIZE var BUFSIZE = 256; var buf = Buffer.alloc(BUFSIZE); var bytesRead = 0; // For some reason we must suppress a closure warning here, even though // fd definitely exists on process.stdin, and is even the proper way to // get the fd of stdin, // https://github.com/nodejs/help/issues/2136#issuecomment-523649904 // This started to happen after moving this logic out of library_tty.js, // so it is related to the surrounding code in some unclear manner. /** @suppress {missingProperties} */ var fd = process.stdin.fd; try { bytesRead = fs.readSync(fd, buf, 0, BUFSIZE); } catch (e) { // Cross-platform differences: on Windows, reading EOF throws an // exception, but on other OSes, reading EOF returns 0. Uniformize // behavior by treating the EOF exception to return 0. if (e.toString().includes("EOF")) bytesRead = 0; else throw e; } if (bytesRead > 0) { result = buf.slice(0, bytesRead).toString("utf-8"); } } else if (globalThis.window?.prompt) { // 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() {}, shutdown() {}, register(dev, ops) { TTY.ttys[dev] = { input: [], output: [], 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) { 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); } }, 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: [ 3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] }; }, 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 zeroMemory = (ptr, size) => HEAPU8.fill(0, ptr, ptr + size); var alignMemory = (size, alignment) => { assert(alignment, "alignment argument is required"); return Math.ceil(size / alignment) * alignment; }; var mmapAlloc = size => { size = alignMemory(size, 65536); var ptr = _emscripten_builtin_memalign(65536, size); if (ptr) zeroMemory(ptr, size); return ptr; }; 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 : 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); }, 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))); } 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, 511 | 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]; } } 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 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 IDBFS = { dbs: {}, indexedDB: () => { assert(typeof indexedDB != "undefined", "IDBFS used, but indexedDB not supported"); return indexedDB; }, DB_VERSION: 21, DB_STORE_NAME: "FILE_DATA", queuePersist: mount => { function onPersistComplete() { if (mount.idbPersistState === "again") startPersist(); else mount.idbPersistState = 0; } function startPersist() { mount.idbPersistState = "idb"; // Mark that we are currently running a sync operation IDBFS.syncfs(mount, /*populate:*/ false, onPersistComplete); } if (!mount.idbPersistState) { // Programs typically write/copy/move multiple files in the in-memory // filesystem within a single app frame, so when a filesystem sync // command is triggered, do not start it immediately, but only after // the current frame is finished. This way all the modified files // inside the main loop tick will be batched up to the same sync. mount.idbPersistState = setTimeout(startPersist, 0); } else if (mount.idbPersistState === "idb") { // There is an active IndexedDB sync operation in-flight, but we now // have accumulated more files to sync. We should therefore queue up // a new sync after the current one finishes so that all writes // will be properly persisted. mount.idbPersistState = "again"; } }, mount: mount => { // reuse core MEMFS functionality var mnt = MEMFS.mount(mount); // If the automatic IDBFS persistence option has been selected, then automatically persist // all modifications to the filesystem as they occur. if (mount?.opts?.autoPersist) { mount.idbPersistState = 0; // IndexedDB sync starts in idle state var memfs_node_ops = mnt.node_ops; mnt.node_ops = { ...mnt.node_ops }; // Clone node_ops to inject write tracking mnt.node_ops.mknod = (parent, name, mode, dev) => { var node = memfs_node_ops.mknod(parent, name, mode, dev); // Propagate injected node_ops to the newly created child node node.node_ops = mnt.node_ops; // Remember for each IDBFS node which IDBFS mount point they came from so we know which mount to persist on modification. node.idbfs_mount = mnt.mount; // Remember original MEMFS stream_ops for this node node.memfs_stream_ops = node.stream_ops; // Clone stream_ops to inject write tracking node.stream_ops = { ...node.stream_ops }; // Track all file writes node.stream_ops.write = (stream, buffer, offset, length, position, canOwn) => { // This file has been modified, we must persist IndexedDB when this file closes stream.node.isModified = true; return node.memfs_stream_ops.write(stream, buffer, offset, length, position, canOwn); }; // Persist IndexedDB on file close node.stream_ops.close = stream => { var n = stream.node; if (n.isModified) { IDBFS.queuePersist(n.idbfs_mount); n.isModified = false; } if (n.memfs_stream_ops.close) return n.memfs_stream_ops.close(stream); }; // Persist the node we just created to IndexedDB IDBFS.queuePersist(mnt.mount); return node; }; // Also kick off persisting the filesystem on other operations that modify the filesystem. mnt.node_ops.rmdir = (...args) => (IDBFS.queuePersist(mnt.mount), memfs_node_ops.rmdir(...args)); mnt.node_ops.symlink = (...args) => (IDBFS.queuePersist(mnt.mount), memfs_node_ops.symlink(...args)); mnt.node_ops.unlink = (...args) => (IDBFS.queuePersist(mnt.mount), memfs_node_ops.unlink(...args)); mnt.node_ops.rename = (...args) => (IDBFS.queuePersist(mnt.mount), memfs_node_ops.rename(...args)); } return mnt; }, syncfs: (mount, populate, callback) => { IDBFS.getLocalSet(mount, (err, local) => { if (err) return callback(err); IDBFS.getRemoteSet(mount, (err, remote) => { if (err) return callback(err); var src = populate ? remote : local; var dst = populate ? local : remote; IDBFS.reconcile(src, dst, callback); }); }); }, quit: () => { for (var value of Object.values(IDBFS.dbs)) { value.close(); } IDBFS.dbs = {}; }, getDB: (name, callback) => { // check the cache first var db = IDBFS.dbs[name]; if (db) { return callback(null, db); } var req; try { req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION); } catch (e) { return callback(e); } if (!req) { return callback("Unable to connect to IndexedDB"); } req.onupgradeneeded = e => { var db = /** @type {IDBDatabase} */ (e.target.result); var transaction = e.target.transaction; var fileStore; if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) { fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME); } else { fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME); } if (!fileStore.indexNames.contains("timestamp")) { fileStore.createIndex("timestamp", "timestamp", { unique: false }); } }; req.onsuccess = () => { db = /** @type {IDBDatabase} */ (req.result); // add to the cache IDBFS.dbs[name] = db; callback(null, db); }; req.onerror = e => { callback(e.target.error); e.preventDefault(); }; }, getLocalSet: (mount, callback) => { var entries = {}; function isRealDir(p) { return p !== "." && p !== ".."; } function toAbsolute(root) { return p => PATH.join2(root, p); } var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint)); while (check.length) { var path = check.pop(); var stat; try { stat = FS.stat(path); } catch (e) { return callback(e); } if (FS.isDir(stat.mode)) { check.push(...FS.readdir(path).filter(isRealDir).map(toAbsolute(path))); } entries[path] = { "timestamp": stat.mtime }; } return callback(null, { type: "local", entries }); }, getRemoteSet: (mount, callback) => { var entries = {}; IDBFS.getDB(mount.mountpoint, (err, db) => { if (err) return callback(err); try { var transaction = db.transaction([ IDBFS.DB_STORE_NAME ], "readonly"); transaction.onerror = e => { callback(e.target.error); e.preventDefault(); }; var store = transaction.objectStore(IDBFS.DB_STORE_NAME); var index = store.index("timestamp"); index.openKeyCursor().onsuccess = event => { var cursor = event.target.result; if (!cursor) { return callback(null, { type: "remote", db, entries }); } entries[cursor.primaryKey] = { "timestamp": cursor.key }; cursor.continue(); }; } catch (e) { return callback(e); } }); }, loadLocalEntry: (path, callback) => { var stat, node; try { var lookup = FS.lookupPath(path); node = lookup.node; stat = FS.stat(path); } catch (e) { return callback(e); } if (FS.isDir(stat.mode)) { return callback(null, { "timestamp": stat.mtime, "mode": stat.mode }); } else if (FS.isFile(stat.mode)) { // Performance consideration: storing a normal JavaScript array to a IndexedDB is much slower than storing a typed array. // Therefore always convert the file contents to a typed array first before writing the data to IndexedDB. node.contents = MEMFS.getFileDataAsTypedArray(node); return callback(null, { "timestamp": stat.mtime, "mode": stat.mode, "contents": node.contents }); } else { return callback(new Error("node type not supported")); } }, storeLocalEntry: (path, entry, callback) => { try { if (FS.isDir(entry["mode"])) { FS.mkdirTree(path, entry["mode"]); } else if (FS.isFile(entry["mode"])) { FS.writeFile(path, entry["contents"], { canOwn: true }); } else { return callback(new Error("node type not supported")); } FS.chmod(path, entry["mode"]); FS.utime(path, entry["timestamp"], entry["timestamp"]); } catch (e) { return callback(e); } callback(null); }, removeLocalEntry: (path, callback) => { try { var stat = FS.stat(path); if (FS.isDir(stat.mode)) { FS.rmdir(path); } else if (FS.isFile(stat.mode)) { FS.unlink(path); } } catch (e) { return callback(e); } callback(null); }, loadRemoteEntry: (store, path, callback) => { var req = store.get(path); req.onsuccess = event => callback(null, event.target.result); req.onerror = e => { callback(e.target.error); e.preventDefault(); }; }, storeRemoteEntry: (store, path, entry, callback) => { try { var req = store.put(entry, path); } catch (e) { callback(e); return; } req.onsuccess = event => callback(); req.onerror = e => { callback(e.target.error); e.preventDefault(); }; }, removeRemoteEntry: (store, path, callback) => { var req = store.delete(path); req.onsuccess = event => callback(); req.onerror = e => { callback(e.target.error); e.preventDefault(); }; }, reconcile: (src, dst, callback) => { var total = 0; var create = []; for (var [key, e] of Object.entries(src.entries)) { var e2 = dst.entries[key]; if (!e2 || e["timestamp"].getTime() != e2["timestamp"].getTime()) { create.push(key); total++; } } var remove = []; for (var key of Object.keys(dst.entries)) { if (!src.entries[key]) { remove.push(key); total++; } } if (!total) { return callback(null); } var errored = false; var db = src.type === "remote" ? src.db : dst.db; var transaction = db.transaction([ IDBFS.DB_STORE_NAME ], "readwrite"); var store = transaction.objectStore(IDBFS.DB_STORE_NAME); function done(err) { if (err && !errored) { errored = true; return callback(err); } } // transaction may abort if (for example) there is a QuotaExceededError transaction.onerror = transaction.onabort = e => { done(e.target.error); e.preventDefault(); }; transaction.oncomplete = e => { if (!errored) { callback(null); } }; // sort paths in ascending order so directory entries are created // before the files inside them for (const path of create.sort()) { if (dst.type === "local") { IDBFS.loadRemoteEntry(store, path, (err, entry) => { if (err) return done(err); IDBFS.storeLocalEntry(path, entry, done); }); } else { IDBFS.loadLocalEntry(path, (err, entry) => { if (err) return done(err); IDBFS.storeRemoteEntry(store, path, entry, done); }); } } // sort paths in descending order so files are deleted before their // parent directories for (var path of remove.sort().reverse()) { if (dst.type === "local") { IDBFS.removeLocalEntry(path, done); } else { IDBFS.removeRemoteEntry(store, path, done); } } } }; 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 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 = async (byteArray, fullname) => { // Ensure plugins are ready. if (typeof Browser != "undefined") Browser.init(); for (var plugin of preloadPlugins) { if (plugin["canHandle"](fullname)) { assert(plugin["handle"].constructor.name === "AsyncFunction", "Filesystem plugin handlers must be async functions (See #24914)"); return plugin["handle"](byteArray, fullname); } } // In no plugin handled this file then return the original/unmodified // byteArray. return byteArray; }; var FS_preloadFile = async (parent, name, url, canRead, canWrite, 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 addRunDependency(dep); try { var byteArray = url; if (typeof url == "string") { byteArray = await asyncLoad(url); } byteArray = await FS_handledByPreloadPlugin(byteArray, fullname); preFinish?.(); if (!dontCreateFile) { FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); } } finally { removeRunDependency(dep); } }; var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { FS_preloadFile(parent, name, url, canRead, canWrite, dontCreateFile, canOwn, preFinish).then(onload).catch(onerror); }; 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; } 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" || (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) & 255), 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 for (var mount of mounts) { if (mount.type.syncfs) { mount.type.syncfs(mount, populate, done); } else { done(null); } } }, 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); for (var [hash, current] of Object.entries(FS.nameTable)) { 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 = 438) { mode &= 4095; mode |= 32768; return FS.mknod(path, mode, 0); }, mkdir(path, mode = 511) { 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 = 438; } 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) {} // 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 }); }, 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, mtime }); }, open(path, flags, mode = 438) { 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 | 511, 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 & 511); } 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") { abort(`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 { abort("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, "IDBFS": IDBFS }; }, 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) { 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 (globalThis.XMLHttpRequest) { abort("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); } 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)) abort("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) abort("invalid range (" + from + ", " + to + ") or no bytes requested!"); if (to > datalength - 1) abort("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)) abort("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") abort("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 (globalThis.XMLHttpRequest) { if (!ENVIRONMENT_IS_WORKER) abort("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 }; } 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 = {}; for (const [key, fn] of Object.entries(node.stream_ops)) { 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) { HEAPU32[((buf) >> 2)] = stat.dev; HEAPU32[(((buf) + (4)) >> 2)] = stat.mode; HEAPU32[(((buf) + (8)) >> 2)] = stat.nlink; HEAPU32[(((buf) + (12)) >> 2)] = stat.uid; HEAPU32[(((buf) + (16)) >> 2)] = stat.gid; HEAPU32[(((buf) + (20)) >> 2)] = stat.rdev; (tempI64 = [ stat.size >>> 0, (tempDouble = stat.size, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (24)) >> 2)] = tempI64[0], HEAP32[(((buf) + (28)) >> 2)] = tempI64[1]); 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(); (tempI64 = [ Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3), (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (40)) >> 2)] = tempI64[0], HEAP32[(((buf) + (44)) >> 2)] = tempI64[1]); HEAPU32[(((buf) + (48)) >> 2)] = (atime % 1e3) * 1e3 * 1e3; (tempI64 = [ Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3), (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (56)) >> 2)] = tempI64[0], HEAP32[(((buf) + (60)) >> 2)] = tempI64[1]); HEAPU32[(((buf) + (64)) >> 2)] = (mtime % 1e3) * 1e3 * 1e3; (tempI64 = [ Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3), (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (72)) >> 2)] = tempI64[0], HEAP32[(((buf) + (76)) >> 2)] = tempI64[1]); HEAPU32[(((buf) + (80)) >> 2)] = (ctime % 1e3) * 1e3 * 1e3; (tempI64 = [ stat.ino >>> 0, (tempDouble = stat.ino, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (88)) >> 2)] = tempI64[0], HEAP32[(((buf) + (92)) >> 2)] = tempI64[1]); return 0; }, writeStatFs(buf, stats) { HEAPU32[(((buf) + (4)) >> 2)] = stats.bsize; HEAPU32[(((buf) + (60)) >> 2)] = stats.bsize; (tempI64 = [ stats.blocks >>> 0, (tempDouble = stats.blocks, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (8)) >> 2)] = tempI64[0], HEAP32[(((buf) + (12)) >> 2)] = tempI64[1]); (tempI64 = [ stats.bfree >>> 0, (tempDouble = stats.bfree, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (16)) >> 2)] = tempI64[0], HEAP32[(((buf) + (20)) >> 2)] = tempI64[1]); (tempI64 = [ stats.bavail >>> 0, (tempDouble = stats.bavail, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (24)) >> 2)] = tempI64[0], HEAP32[(((buf) + (28)) >> 2)] = tempI64[1]); (tempI64 = [ stats.files >>> 0, (tempDouble = stats.files, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (32)) >> 2)] = tempI64[0], HEAP32[(((buf) + (36)) >> 2)] = tempI64[1]); (tempI64 = [ stats.ffree >>> 0, (tempDouble = stats.ffree, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((buf) + (40)) >> 2)] = tempI64[0], HEAP32[(((buf) + (44)) >> 2)] = tempI64[1]); HEAPU32[(((buf) + (48)) >> 2)] = stats.fsid; HEAPU32[(((buf) + (64)) >> 2)] = stats.flags; // ST_NOSUID HEAPU32[(((buf) + (56)) >> 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 ___syscall_dup(fd) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(3, 0, 1, fd); try { var old = SYSCALLS.getStreamFromFD(fd); return FS.dupStream(old).fd; } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } function ___syscall_faccessat(dirfd, path, amode, flags) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(4, 0, 1, dirfd, path, amode, flags); try { path = SYSCALLS.getStr(path); assert(!flags || flags == 512); path = SYSCALLS.calculateAt(dirfd, path); if (amode & ~7) { // need a valid mode return -28; } var lookup = FS.lookupPath(path, { follow: true }); var node = lookup.node; if (!node) { return -44; } var perms = ""; if (amode & 4) perms += "r"; if (amode & 2) perms += "w"; if (amode & 1) perms += "x"; if (perms && FS.nodePermissions(node, perms)) { return -2; } return 0; } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } var syscallGetVarargI = () => { assert(SYSCALLS.varargs != undefined); // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number. var ret = HEAP32[((+SYSCALLS.varargs) >> 2)]; SYSCALLS.varargs += 4; return ret; }; var syscallGetVarargP = syscallGetVarargI; function ___syscall_fcntl64(fd, cmd, varargs) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(5, 0, 1, fd, cmd, varargs); SYSCALLS.varargs = varargs; try { var stream = SYSCALLS.getStreamFromFD(fd); switch (cmd) { case 0: { var arg = syscallGetVarargI(); if (arg < 0) { return -28; } while (FS.streams[arg]) { arg++; } var newStream; newStream = FS.dupStream(stream, arg); return newStream.fd; } case 1: case 2: return 0; // FD_CLOEXEC makes no sense for a single process. case 3: return stream.flags; case 4: { var arg = syscallGetVarargI(); stream.flags |= arg; return 0; } case 12: { var arg = syscallGetVarargP(); var offset = 0; // We're always unlocked. HEAP16[(((arg) + (offset)) >> 1)] = 2; return 0; } case 13: case 14: // Pretend that the locking is successful. These are process-level locks, // and Emscripten programs are a single process. If we supported linking a // filesystem between programs, we'd need to do more here. // See https://github.com/emscripten-core/emscripten/issues/23697 return 0; } return -28; } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } function ___syscall_fstat64(fd, buf) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(6, 0, 1, fd, buf); try { return SYSCALLS.writeStat(buf, FS.fstat(fd)); } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } var convertI32PairToI53Checked = (lo, hi) => { assert(lo == (lo >>> 0) || lo == (lo | 0)); // lo should either be a i32 or a u32 assert(hi === (hi | 0)); // hi should be a i32 return ((hi + 2097152) >>> 0 < 4194305 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN; }; function ___syscall_ftruncate64(fd, length_low, length_high) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(7, 0, 1, fd, length_low, length_high); var length = convertI32PairToI53Checked(length_low, length_high); try { if (isNaN(length)) return -61; FS.ftruncate(fd, length); return 0; } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } 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); }; function ___syscall_getdents64(fd, dirp, count) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(8, 0, 1, fd, dirp, count); try { var stream = SYSCALLS.getStreamFromFD(fd); stream.getdents ||= FS.readdir(stream.path); var struct_size = 280; var pos = 0; var off = FS.llseek(stream, 0, 1); var startIdx = Math.floor(off / struct_size); var endIdx = Math.min(stream.getdents.length, startIdx + Math.floor(count / struct_size)); for (var idx = startIdx; idx < endIdx; idx++) { var id; var type; var name = stream.getdents[idx]; if (name === ".") { id = stream.node.id; type = 4; } else if (name === "..") { var lookup = FS.lookupPath(stream.path, { parent: true }); id = lookup.node.id; type = 4; } else { var child; try { child = FS.lookupNode(stream.node, name); } catch (e) { // If the entry is not a directory, file, or symlink, nodefs // lookupNode will raise EINVAL. Skip these and continue. if (e?.errno === 28) { continue; } throw e; } id = child.id; type = FS.isChrdev(child.mode) ? 2 : // DT_CHR, character device. FS.isDir(child.mode) ? 4 : // DT_DIR, directory. FS.isLink(child.mode) ? 10 : // DT_LNK, symbolic link. 8; } assert(id); (tempI64 = [ id >>> 0, (tempDouble = id, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[((dirp + pos) >> 2)] = tempI64[0], HEAP32[(((dirp + pos) + (4)) >> 2)] = tempI64[1]); (tempI64 = [ (idx + 1) * struct_size >>> 0, (tempDouble = (idx + 1) * struct_size, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[(((dirp + pos) + (8)) >> 2)] = tempI64[0], HEAP32[(((dirp + pos) + (12)) >> 2)] = tempI64[1]); HEAP16[(((dirp + pos) + (16)) >> 1)] = 280; HEAP8[(dirp + pos) + (18)] = type; stringToUTF8(name, dirp + pos + 19, 256); pos += struct_size; } FS.llseek(stream, idx * struct_size, 0); return pos; } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } function ___syscall_ioctl(fd, op, varargs) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(9, 0, 1, fd, op, varargs); SYSCALLS.varargs = varargs; try { var stream = SYSCALLS.getStreamFromFD(fd); switch (op) { case 21509: { if (!stream.tty) return -59; return 0; } case 21505: { if (!stream.tty) return -59; if (stream.tty.ops.ioctl_tcgets) { var termios = stream.tty.ops.ioctl_tcgets(stream); var argp = syscallGetVarargP(); HEAP32[((argp) >> 2)] = termios.c_iflag || 0; HEAP32[(((argp) + (4)) >> 2)] = termios.c_oflag || 0; HEAP32[(((argp) + (8)) >> 2)] = termios.c_cflag || 0; HEAP32[(((argp) + (12)) >> 2)] = termios.c_lflag || 0; for (var i = 0; i < 32; i++) { HEAP8[(argp + i) + (17)] = termios.c_cc[i] || 0; } return 0; } return 0; } case 21510: case 21511: case 21512: { if (!stream.tty) return -59; return 0; } case 21506: case 21507: case 21508: { if (!stream.tty) return -59; if (stream.tty.ops.ioctl_tcsets) { var argp = syscallGetVarargP(); var c_iflag = HEAP32[((argp) >> 2)]; var c_oflag = HEAP32[(((argp) + (4)) >> 2)]; var c_cflag = HEAP32[(((argp) + (8)) >> 2)]; var c_lflag = HEAP32[(((argp) + (12)) >> 2)]; var c_cc = []; for (var i = 0; i < 32; i++) { c_cc.push(HEAP8[(argp + i) + (17)]); } return stream.tty.ops.ioctl_tcsets(stream.tty, op, { c_iflag, c_oflag, c_cflag, c_lflag, c_cc }); } return 0; } case 21519: { if (!stream.tty) return -59; var argp = syscallGetVarargP(); HEAP32[((argp) >> 2)] = 0; return 0; } case 21520: { if (!stream.tty) return -59; return -28; } case 21537: case 21531: { var argp = syscallGetVarargP(); return FS.ioctl(stream, op, argp); } case 21523: { // TODO: in theory we should write to the winsize struct that gets // passed in, but for now musl doesn't read anything on it if (!stream.tty) return -59; if (stream.tty.ops.ioctl_tiocgwinsz) { var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty); var argp = syscallGetVarargP(); HEAP16[((argp) >> 1)] = winsize[0]; HEAP16[(((argp) + (2)) >> 1)] = winsize[1]; } return 0; } case 21524: { // TODO: technically, this ioctl call should change the window size. // but, since emscripten doesn't have any concept of a terminal window // yet, we'll just silently throw it away as we do TIOCGWINSZ if (!stream.tty) return -59; return 0; } case 21515: { if (!stream.tty) return -59; return 0; } default: return -28; } } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } function ___syscall_lstat64(path, buf) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(10, 0, 1, path, buf); try { path = SYSCALLS.getStr(path); return SYSCALLS.writeStat(buf, FS.lstat(path)); } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } function ___syscall_newfstatat(dirfd, path, buf, flags) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(11, 0, 1, dirfd, path, buf, flags); try { path = SYSCALLS.getStr(path); var nofollow = flags & 256; var allowEmpty = flags & 4096; flags = flags & (~6400); assert(!flags, `unknown flags in __syscall_newfstatat: ${flags}`); path = SYSCALLS.calculateAt(dirfd, path, allowEmpty); return SYSCALLS.writeStat(buf, nofollow ? FS.lstat(path) : FS.stat(path)); } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } function ___syscall_openat(dirfd, path, flags, varargs) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(12, 0, 1, dirfd, path, flags, varargs); SYSCALLS.varargs = varargs; try { path = SYSCALLS.getStr(path); path = SYSCALLS.calculateAt(dirfd, path); var mode = varargs ? syscallGetVarargI() : 0; return FS.open(path, flags, mode).fd; } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } function ___syscall_stat64(path, buf) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(13, 0, 1, path, buf); try { path = SYSCALLS.getStr(path); return SYSCALLS.writeStat(buf, FS.stat(path)); } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } var __abort_js = () => abort("native code called abort()"); var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => {}; var AsciiToString = ptr => { var str = ""; while (1) { var ch = HEAPU8[ptr++]; if (!ch) return str; str += String.fromCharCode(ch); } }; var awaitingDependencies = {}; var registeredTypes = {}; var typeDependencies = {}; var BindingError = class BindingError extends Error { constructor(message) { super(message); this.name = "BindingError"; } }; var throwBindingError = message => { throw new BindingError(message); }; /** @param {Object=} options */ function sharedRegisterType(rawType, registeredInstance, options = {}) { var name = registeredInstance.name; if (!rawType) { throwBindingError(`type "${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); } /** @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 }); }; 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: ${handle}`); return emval_handles[handle]; }, toHandle: value => { switch (value) { case undefined: return 2; case null: return 4; case true: return 6; case false: return 8; default: { const handle = emval_freelist.pop() || emval_handles.length; emval_handles[handle] = value; emval_handles[handle + 1] = 1; return handle; } } } }; /** @suppress {globalThis} */ function readPointer(pointer) { return this.fromWireType(HEAPU32[((pointer) >> 2)]); } var EmValType = { name: "emscripten::val", fromWireType: handle => { var rv = Emval.toValue(handle); __emval_decref(handle); return rv; }, toWireType: (destructors, value) => Emval.toHandle(value), readValueFromPointer: readPointer, destructorFunction: null }; var __embind_register_emval = rawType => registerType(rawType, EmValType); var floatReadValueFromPointer = (name, width) => { switch (width) { case 4: return function(pointer) { return this.fromWireType(HEAPF32[((pointer) >> 2)]); }; case 8: return function(pointer) { return this.fromWireType(HEAPF64[((pointer) >> 3)]); }; default: throw new TypeError(`invalid float width (${width}): ${name}`); } }; var 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 __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 ${this.name}`); } // The VM will perform JS to Wasm value conversion, according to the spec: // https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue return value; }, readValueFromPointer: floatReadValueFromPointer(name, size), destructorFunction: null }); }; var integerReadValueFromPointer = (name, width, signed) => { // integers are quite common, so generate very specialized functions switch (width) { case 1: return signed ? pointer => HEAP8[pointer] : pointer => HEAPU8[pointer]; case 2: return signed ? pointer => HEAP16[((pointer) >> 1)] : pointer => HEAPU16[((pointer) >> 1)]; case 4: return signed ? pointer => HEAP32[((pointer) >> 2)] : pointer => HEAPU32[((pointer) >> 2)]; default: throw new TypeError(`invalid integer width (${width}): ${name}`); } }; var assertIntegerRange = (typeName, value, minRange, maxRange) => { if (value < minRange || value > maxRange) { throw new TypeError(`Passing a number "${embindRepr(value)}" from JS side to C/C++ side to an argument of type "${typeName}", which is outside the valid range [${minRange}, ${maxRange}]!`); } }; /** @suppress {globalThis} */ var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => { name = AsciiToString(name); const isUnsignedType = minRange === 0; let fromWireType = value => value; if (isUnsignedType) { var bitshift = 32 - 8 * size; fromWireType = value => (value << bitshift) >>> bitshift; maxRange = fromWireType(maxRange); } registerType(primitiveType, { name, fromWireType, toWireType: (destructors, value) => { if (typeof value != "number" && typeof value != "boolean") { throw new TypeError(`Cannot convert "${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 }); }; var __embind_register_memory_view = (rawType, dataTypeIndex, name) => { var typeMapping = [ Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array ]; var TA = typeMapping[dataTypeIndex]; function decodeMemoryView(handle) { var size = HEAPU32[((handle) >> 2)]; var data = HEAPU32[(((handle) + (4)) >> 2)]; return new TA(HEAP8.buffer, data, size); } name = AsciiToString(name); registerType(rawType, { name, fromWireType: decodeMemoryView, readValueFromPointer: decodeMemoryView }, { ignoreDuplicateRegistrations: true }); }; 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 = new TextDecoder("utf-16le"); 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); return UTF16Decoder.decode(HEAPU16.slice(idx, endIdx)); }; 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 ??= 2147483647; 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 ??= 2147483647; 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 > 65535) { 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 > 65535) { 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 __emscripten_init_main_thread_js = tb => { // Pass the thread address to the native code where they stored in wasm // globals which act as a form of TLS. Global constructors trying // to access this value will read the wrong value, but that is UB anyway. __emscripten_thread_init(tb, /*is_main=*/ !ENVIRONMENT_IS_WORKER, /*is_runtime=*/ 1, /*can_block=*/ !ENVIRONMENT_IS_WEB, /*default_stacksize=*/ 65536, /*start_profiling=*/ false); PThread.threadInitTLS(); }; var handleException = e => { // Certain exception types we do not treat as errors since they are used for // internal control flow. // 1. ExitStatus, which is thrown by exit() // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others // that wish to return to JS event loop. if (e instanceof ExitStatus || e == "unwind") { return EXITSTATUS; } checkStackCookie(); if (e instanceof WebAssembly.RuntimeError) { if (_emscripten_stack_get_current() <= 0) { err("Stack overflow detected. You can try increasing -sSTACK_SIZE (currently set to 65536)"); } } quit_(1, e); }; var maybeExit = () => { if (!keepRuntimeAlive()) { try { if (ENVIRONMENT_IS_PTHREAD) { // exit the current thread, but only if there is one active. // TODO(https://github.com/emscripten-core/emscripten/issues/25076): // Unify this check with the runtimeExited check above if (_pthread_self()) __emscripten_thread_exit(EXITSTATUS); return; } _exit(EXITSTATUS); } catch (e) { handleException(e); } } }; var callUserCallback = func => { if (ABORT) { err("user callback triggered after runtime exited or application aborted. Ignoring."); return; } try { func(); maybeExit(); } catch (e) { handleException(e); } }; var waitAsyncPolyfilled = (!Atomics.waitAsync || (globalThis.navigator?.userAgent && Number((navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./) || [])[2]) < 91)); var __emscripten_thread_mailbox_await = pthread_ptr => { if (!waitAsyncPolyfilled) { // Wait on the pthread's initial self-pointer field because it is easy and // safe to access from sending threads that need to notify the waiting // thread. // TODO: How to make this work with wasm64? var wait = Atomics.waitAsync(HEAP32, ((pthread_ptr) >> 2), pthread_ptr); assert(wait.async); wait.value.then(checkMailbox); var waitingAsync = pthread_ptr + 128; Atomics.store(HEAP32, ((waitingAsync) >> 2), 1); } }; var checkMailbox = () => callUserCallback(() => { // Only check the mailbox if we have a live pthread runtime. We implement // pthread_self to return 0 if there is no live runtime. // TODO(https://github.com/emscripten-core/emscripten/issues/25076): // Is this check still needed? `callUserCallback` is supposed to // ensure the runtime is alive, and if `_pthread_self` is NULL then the // runtime certainly is *not* alive, so this should be a redundant check. var pthread_ptr = _pthread_self(); if (pthread_ptr) { // If we are using Atomics.waitAsync as our notification mechanism, wait // for a notification before processing the mailbox to avoid missing any // work that could otherwise arrive after we've finished processing the // mailbox and before we're ready for the next notification. __emscripten_thread_mailbox_await(pthread_ptr); __emscripten_check_mailbox(); } }); var __emscripten_notify_mailbox_postmessage = (targetThread, currThreadId) => { if (targetThread == currThreadId) { setTimeout(checkMailbox); } else if (ENVIRONMENT_IS_PTHREAD) { postMessage({ targetThread, cmd: "checkMailbox" }); } else { var worker = PThread.pthreads[targetThread]; if (!worker) { err(`Cannot send message to thread with ID ${targetThread}, unknown thread ID!`); return; } worker.postMessage({ cmd: "checkMailbox" }); } }; var proxiedJSCallArgs = []; var __emscripten_receive_on_main_thread_js = (funcIndex, emAsmAddr, callingThread, numCallArgs, args) => { // Sometimes we need to backproxy events to the calling thread (e.g. // HTML5 DOM events handlers such as // emscripten_set_mousemove_callback()), so keep track in a globally // accessible variable about the thread that initiated the proxying. proxiedJSCallArgs.length = numCallArgs; var b = ((args) >> 3); for (var i = 0; i < numCallArgs; i++) { proxiedJSCallArgs[i] = HEAPF64[b + i]; } // Proxied JS library funcs use funcIndex and EM_ASM functions use emAsmAddr assert(!emAsmAddr); var func = proxiedFunctionTable[funcIndex]; assert(!(funcIndex && emAsmAddr)); assert(func.length == numCallArgs, "Call args mismatch in _emscripten_receive_on_main_thread_js"); PThread.currentProxiedOperationCallerThread = callingThread; var rtn = func(...proxiedJSCallArgs); PThread.currentProxiedOperationCallerThread = 0; // Proxied functions can return any type except bigint. All other types // cooerce to f64/double (the return type of this function in C) but not // bigint. assert(typeof rtn != "bigint"); return rtn; }; var __emscripten_thread_cleanup = thread => { // Called when a thread needs to be cleaned up so it can be reused. // A thread is considered reusable when it either returns from its // entry point, calls pthread_exit, or acts upon a cancellation. // Detached threads are responsible for calling this themselves, // otherwise pthread_join is responsible for calling this. if (!ENVIRONMENT_IS_PTHREAD) cleanupThread(thread); else postMessage({ cmd: "cleanupThread", thread }); }; var __emscripten_thread_set_strongref = thread => { // Called when a thread needs to be strongly referenced. // Currently only used for: // - keeping the "main" thread alive in PROXY_TO_PTHREAD mode; // - crashed threads that needs to propagate the uncaught exception // back to the main thread. if (ENVIRONMENT_IS_NODE) { PThread.pthreads[thread].ref(); } }; function __mmap_js(len, prot, flags, fd, offset_low, offset_high, allocated, addr) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(14, 0, 1, len, prot, flags, fd, offset_low, offset_high, allocated, addr); var offset = convertI32PairToI53Checked(offset_low, offset_high); try { // musl's mmap doesn't allow values over a certain limit // see OFF_MASK in mmap.c. assert(!isNaN(offset)); var stream = SYSCALLS.getStreamFromFD(fd); var res = FS.mmap(stream, len, offset, prot, flags); var ptr = res.ptr; HEAP32[((allocated) >> 2)] = res.allocated; HEAPU32[((addr) >> 2)] = ptr; return 0; } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } function __munmap_js(addr, len, prot, flags, fd, offset_low, offset_high) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(15, 0, 1, addr, len, prot, flags, fd, offset_low, offset_high); var offset = convertI32PairToI53Checked(offset_low, offset_high); try { var stream = SYSCALLS.getStreamFromFD(fd); if (prot & 2) { SYSCALLS.doMsync(addr, stream, len, flags, offset); } } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return -e.errno; } } 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 _emscripten_get_now = () => performance.timeOrigin + performance.now(); var _emscripten_date_now = () => Date.now(); var nowIsMonotonic = 1; var checkWasiClock = clock_id => clock_id >= 0 && clock_id <= 3; function _clock_time_get(clk_id, ignored_precision_low, ignored_precision_high, ptime) { var ignored_precision = convertI32PairToI53Checked(ignored_precision_low, ignored_precision_high); if (!checkWasiClock(clk_id)) { return 28; } var now; // all wasi clocks but realtime are monotonic if (clk_id === 0) { now = _emscripten_date_now(); } else if (nowIsMonotonic) { now = _emscripten_get_now(); } else { return 52; } // "now" is in ms, and wasi times are in ns. var nsec = Math.round(now * 1e3 * 1e3); (tempI64 = [ nsec >>> 0, (tempDouble = nsec, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[((ptime) >> 2)] = tempI64[0], HEAP32[(((ptime) + (4)) >> 2)] = tempI64[1]); return 0; } var _emscripten_check_blocking_allowed = () => { if (ENVIRONMENT_IS_NODE) return; if (ENVIRONMENT_IS_WORKER) return; // Blocking in a worker/pthread is fine. warnOnce("Blocking on the main thread is very dangerous, see https://emscripten.org/docs/porting/pthreads.html#blocking-on-the-main-browser-thread"); }; var _emscripten_errn = (str, len) => err(UTF8ToString(str, len)); var runtimeKeepalivePush = () => { runtimeKeepaliveCounter += 1; }; var _emscripten_exit_with_live_runtime = () => { runtimeKeepalivePush(); throw "unwind"; }; var getHeapMax = () => HEAPU8.length; var _emscripten_get_heap_max = () => getHeapMax(); var _emscripten_num_logical_cores = () => ENVIRONMENT_IS_NODE ? require("os").cpus().length : navigator["hardwareConcurrency"]; var UNWIND_CACHE = {}; var stringToNewUTF8 = str => { var size = lengthBytesUTF8(str) + 1; var ret = _malloc(size); if (ret) stringToUTF8(str, ret, size); return ret; }; /** @returns {number} */ var convertFrameToPC = frame => { var match; if (match = /\bwasm-function\[\d+\]:(0x[0-9a-f]+)/.exec(frame)) { // Wasm engines give the binary offset directly, so we use that as return address return +match[1]; } else if (match = /\bwasm-function\[(\d+)\]:(\d+)/.exec(frame)) { // Older versions of v8 (e.g node v10) give function index and offset in // the function. That format is not supported since it does not provide // the information we need to map the frame to a global program counter. warnOnce("legacy backtrace format detected, this version of v8 is no longer supported by the emscripten backtrace mechanism"); } else if (match = /:(\d+):\d+(?:\)|$)/.exec(frame)) { // If we are in js, we can use the js line number as the "return address". // This should work for wasm2js. We tag the high bit to distinguish this // from wasm addresses. return 2147483648 | +match[1]; } // return 0 if we can't find any return 0; }; var saveInUnwindCache = callstack => { for (var line of callstack) { var pc = convertFrameToPC(line); if (pc) { UNWIND_CACHE[pc] = line; } } }; var jsStackTrace = () => (new Error).stack.toString(); var _emscripten_stack_snapshot = () => { var callstack = jsStackTrace().split("\n"); if (callstack[0] == "Error") { callstack.shift(); } saveInUnwindCache(callstack); // Caches the stack snapshot so that emscripten_stack_unwind_buffer() can // unwind from this spot. UNWIND_CACHE.last_addr = convertFrameToPC(callstack[3]); UNWIND_CACHE.last_stack = callstack; return UNWIND_CACHE.last_addr; }; var _emscripten_pc_get_function = pc => { var frame = UNWIND_CACHE[pc]; if (!frame) return 0; var name; var match; // First try to match foo.wasm.sym files explcitly. e.g. // at test_return_address.wasm.main (wasm://wasm/test_return_address.wasm-0012cc2a:wasm-function[26]:0x9f3 // Then match JS symbols which don't include that module name: // at invokeEntryPoint (.../test_return_address.js:1500:42) // Finally match firefox format: // Object._main@http://server.com:4324:12' if (match = /^\s+at .*\.wasm\.(.*) \(.*\)$/.exec(frame)) { name = match[1]; } else if (match = /^\s+at (.*) \(.*\)$/.exec(frame)) { name = match[1]; } else if (match = /^(.+?)@/.exec(frame)) { name = match[1]; } else { return 0; } _free(_emscripten_pc_get_function.ret ?? 0); _emscripten_pc_get_function.ret = stringToNewUTF8(name); return _emscripten_pc_get_function.ret; }; 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 ${HEAP8.length}, (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0`); }; var _emscripten_resize_heap = requestedSize => { var oldSize = HEAPU8.length; // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned. requestedSize >>>= 0; abortOnCannotGrowMemory(requestedSize); }; var _emscripten_stack_unwind_buffer = (addr, buffer, count) => { var stack; if (UNWIND_CACHE.last_addr == addr) { stack = UNWIND_CACHE.last_stack; } else { stack = jsStackTrace().split("\n"); if (stack[0] == "Error") { stack.shift(); } saveInUnwindCache(stack); } var offset = 3; while (stack[offset] && convertFrameToPC(stack[offset]) != addr) { ++offset; } for (var i = 0; i < count && stack[i + offset]; ++i) { HEAP32[(((buffer) + (i * 4)) >> 2)] = convertFrameToPC(stack[i + offset]); } return i; }; var ENV = {}; var getExecutableName = () => thisProgram || "./this.program"; var getEnvStrings = () => { if (!getEnvStrings.strings) { // Default values. // Browser language detection #8751 var lang = (globalThis.navigator?.language ?? "C").replace("-", "_") + ".UTF-8"; var env = { "USER": "web_user", "LOGNAME": "web_user", "PATH": "/", "PWD": "/", "HOME": "/home/web_user", "LANG": lang, "_": getExecutableName() }; // Apply the user-provided values, if any. for (var x in ENV) { // x is a key in ENV; if ENV[x] is undefined, that means it was // explicitly set to be so. We allow user code to do that to // force variables with default values to remain unset. if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x]; } var strings = []; for (var x in env) { strings.push(`${x}=${env[x]}`); } getEnvStrings.strings = strings; } return getEnvStrings.strings; }; function _environ_get(__environ, environ_buf) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(16, 0, 1, __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; } function _environ_sizes_get(penviron_count, penviron_buf_size) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(17, 0, 1, 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; } function _fd_close(fd) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(18, 0, 1, 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) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(19, 0, 1, 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; } } function _fd_seek(fd, offset_low, offset_high, whence, newOffset) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(20, 0, 1, fd, offset_low, offset_high, whence, newOffset); var offset = convertI32PairToI53Checked(offset_low, offset_high); try { if (isNaN(offset)) return 61; var stream = SYSCALLS.getStreamFromFD(fd); FS.llseek(stream, offset, whence); (tempI64 = [ stream.position >>> 0, (tempDouble = stream.position, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ], HEAP32[((newOffset) >> 2)] = tempI64[0], HEAP32[(((newOffset) + (4)) >> 2)] = tempI64[1]); if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state return 0; } catch (e) { if (typeof FS == "undefined" || !(e.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) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(21, 0, 1, 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; } } function _random_get(buffer, size) { try { randomFill(HEAPU8.subarray(buffer, buffer + size)); return 0; } catch (e) { if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e; return e.errno; } } var stringToUTF8OnStack = str => { var size = lengthBytesUTF8(str) + 1; var ret = stackAlloc(size); stringToUTF8(str, ret, size); return ret; }; var ALLOC_STACK = 1; var allocate = (slab, allocator) => { var ret; assert(typeof allocator == "number", "allocate no longer takes a type argument"); assert(typeof slab != "number", "allocate no longer takes a number as arg0"); if (allocator == ALLOC_STACK) { ret = stackAlloc(slab.length); } else { ret = _malloc(slab.length); } if (!slab.subarray && !slab.slice) { slab = new Uint8Array(slab); } HEAPU8.set(slab, ret); return ret; }; var ALLOC_NORMAL = 0; var getCFunc = ident => { var func = Module["_" + ident]; // closure exported function assert(func, "Cannot call unknown function " + ident + ", make sure it is exported"); return func; }; var writeArrayToMemory = (array, buffer) => { assert(array.length >= 0, "writeArrayToMemory array must have a length (should be an array or typed array)"); HEAP8.set(array, buffer); }; /** * @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) => (...args) => ccall(ident, returnType, argTypes, args, opts); var FS_createPath = (...args) => FS.createPath(...args); var FS_unlink = (...args) => FS.unlink(...args); var FS_createLazyFile = (...args) => FS.createLazyFile(...args); var FS_createDevice = (...args) => FS.createDevice(...args); PThread.init(); FS.createPreloadedFile = FS_createPreloadedFile; FS.preloadFile = FS_preloadFile; FS.staticInit(); assert(emval_handles.length === 5 * 2); // 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. { // With WASM_ESM_INTEGRATION this has to happen at the top level and not // delayed until processModuleArgs. initMemory(); // 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 (Module["preInit"]) { if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ]; while (Module["preInit"].length > 0) { Module["preInit"].shift()(); } } consumedModuleProp("preInit"); } // Begin runtime exports Module["addRunDependency"] = addRunDependency; Module["removeRunDependency"] = removeRunDependency; Module["ccall"] = ccall; Module["cwrap"] = cwrap; Module["intArrayFromString"] = intArrayFromString; Module["FS_preloadFile"] = FS_preloadFile; Module["FS_unlink"] = FS_unlink; Module["FS_createPath"] = FS_createPath; Module["FS_createDevice"] = FS_createDevice; Module["FS_createDataFile"] = FS_createDataFile; Module["FS_createLazyFile"] = FS_createLazyFile; Module["ALLOC_NORMAL"] = ALLOC_NORMAL; Module["allocate"] = allocate; Module["IDBFS"] = IDBFS; var missingLibrarySymbols = [ "writeI53ToI64", "writeI53ToI64Clamped", "writeI53ToI64Signaling", "writeI53ToU64Clamped", "writeI53ToU64Signaling", "readI53FromI64", "readI53FromU64", "convertI32PairToI53", "convertU32PairToI53", "getTempRet0", "setTempRet0", "createNamedFunction", "growMemory", "withStackSave", "inetPton4", "inetNtop4", "inetPton6", "inetNtop6", "readSockaddr", "writeSockaddr", "readEmAsmArgs", "jstoi_q", "autoResumeAudioContext", "dynCallLegacy", "getDynCaller", "dynCall", "runtimeKeepalivePop", "asmjsMangle", "HandleAllocator", "addOnInit", "addOnPostCtor", "addOnPreMain", "addOnExit", "STACK_SIZE", "STACK_ALIGN", "POINTER_SIZE", "ASSERTIONS", "convertJsFunctionToWasm", "getEmptyTableSlot", "updateTableMap", "getFunctionAddress", "addFunction", "removeFunction", "intArrayToString", "stringToAscii", "registerKeyEventCallback", "findEventTarget", "findCanvasEventTarget", "getBoundingClientRect", "fillMouseEventData", "registerMouseEventCallback", "registerWheelEventCallback", "registerUiEventCallback", "registerFocusEventCallback", "fillDeviceOrientationEventData", "registerDeviceOrientationEventCallback", "fillDeviceMotionEventData", "registerDeviceMotionEventCallback", "screenOrientation", "fillOrientationChangeEventData", "registerOrientationChangeEventCallback", "fillFullscreenChangeEventData", "registerFullscreenChangeEventCallback", "JSEvents_requestFullscreen", "JSEvents_resizeCanvasForFullscreen", "registerRestoreOldStyle", "hideEverythingExceptGivenElement", "restoreHiddenElements", "setLetterbox", "softFullscreenResizeWebGLRenderTarget", "doRequestFullscreen", "fillPointerlockChangeEventData", "registerPointerlockChangeEventCallback", "registerPointerlockErrorEventCallback", "requestPointerLock", "fillVisibilityChangeEventData", "registerVisibilityChangeEventCallback", "registerTouchEventCallback", "fillGamepadEventData", "registerGamepadEventCallback", "registerBeforeUnloadEventCallback", "fillBatteryEventData", "registerBatteryEventCallback", "setCanvasElementSizeCallingThread", "setCanvasElementSizeMainThread", "setCanvasElementSize", "getCanvasSizeCallingThread", "getCanvasSizeMainThread", "getCanvasElementSize", "getCallstack", "convertPCtoSourceLocation", "wasiRightsToMuslOFlags", "wasiOFlagsToMuslOFlags", "safeSetTimeout", "setImmediateWrapped", "safeRequestAnimationFrame", "clearImmediateWrapped", "registerPostMainLoop", "registerPreMainLoop", "getPromise", "makePromise", "idsToPromises", "makePromiseCallback", "findMatchingCatch", "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", "emscripten_webgl_destroy_context_before_on_calling_thread", "registerWebGlEventCallback", "runAndAbortIfError", "emscriptenWebGLGetIndexed", "webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance", "webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance", "writeStringToMemory", "writeAsciiToMemory", "allocateUTF8", "allocateUTF8OnStack", "demangle", "stackTrace", "getNativeTypeSize", "throwInternalError", "whenDependentTypesAreResolved", "getTypeName", "getFunctionName", "getFunctionArgsName", "heap32VectorToArray", "requireRegisteredType", "usesDestructorStack", "createJsInvokerSignature", "checkArgCount", "getRequiredArgCount", "createJsInvoker", "UnboundTypeError", "PureVirtualError", "throwUnboundTypeError", "ensureOverloadTable", "exposePublicSymbol", "replacePublicSymbol", "getBasestPointer", "registerInheritedInstance", "unregisterInheritedInstance", "getInheritedInstance", "getInheritedInstanceCount", "getLiveInheritedInstances", "enumReadValueFromPointer", "runDestructors", "craftInvokerFunction", "embind__requireFunction", "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", "getStringOrSymbol", "emval_returnValue", "emval_lookupTypes", "emval_addMethodCaller" ]; missingLibrarySymbols.forEach(missingLibrarySymbol); var unexportedSymbols = [ "run", "out", "err", "callMain", "abort", "wasmExports", "HEAPF32", "HEAPF64", "HEAP8", "HEAP16", "HEAPU16", "HEAP32", "HEAPU32", "HEAP64", "HEAPU64", "writeStackCookie", "checkStackCookie", "convertI32PairToI53Checked", "stackSave", "stackRestore", "stackAlloc", "ptrToString", "zeroMemory", "exitJS", "getHeapMax", "abortOnCannotGrowMemory", "ENV", "ERRNO_CODES", "strError", "DNS", "Protocols", "Sockets", "timers", "warnOnce", "readEmAsmArgsArray", "getExecutableName", "handleException", "keepRuntimeAlive", "runtimeKeepalivePush", "callUserCallback", "maybeExit", "asyncLoad", "alignMemory", "mmapAlloc", "wasmTable", "wasmMemory", "getUniqueRunDependency", "noExitRuntime", "addOnPreRun", "addOnPostRun", "freeTableIndexes", "functionsInTableMap", "setValue", "getValue", "PATH", "PATH_FS", "UTF8Decoder", "UTF8ArrayToString", "UTF8ToString", "stringToUTF8Array", "stringToUTF8", "lengthBytesUTF8", "AsciiToString", "UTF16Decoder", "UTF16ToString", "stringToUTF16", "lengthBytesUTF16", "UTF32ToString", "stringToUTF32", "lengthBytesUTF32", "stringToNewUTF8", "stringToUTF8OnStack", "writeArrayToMemory", "JSEvents", "specialHTMLTargets", "currentFullscreenStrategy", "restoreOldWindowedStyle", "jsStackTrace", "UNWIND_CACHE", "ExitStatus", "getEnvStrings", "checkWasiClock", "doReadv", "doWritev", "initRandomFill", "randomFill", "emSetImmediate", "emClearImmediate_deps", "emClearImmediate", "promiseMap", "uncaughtExceptionCount", "exceptionLast", "exceptionCaught", "ExceptionInfo", "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_readFile", "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_forceLoadFile", "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", "waitAsyncPolyfilled", "ALLOC_STACK", "print", "printErr", "jstoi_s", "PThread", "terminateWorker", "cleanupThread", "registerTLSInit", "spawnThread", "exitOnMainThread", "proxyToMainThread", "proxiedJSCallArgs", "invokeEntryPoint", "checkMailbox", "InternalError", "BindingError", "throwBindingError", "registeredTypes", "awaitingDependencies", "typeDependencies", "tupleRegistrations", "structRegistrations", "sharedRegisterType", "EmValType", "EmValOptionalType", "embindRepr", "registeredInstances", "registeredPointers", "registerType", "integerReadValueFromPointer", "floatReadValueFromPointer", "assertIntegerRange", "readPointer", "finalizationRegistry", "detachFinalizer_deps", "deletionQueue", "delayFunction", "emval_freelist", "emval_handles", "emval_symbols", "Emval", "emval_methodCallers" ]; unexportedSymbols.forEach(unexportedRuntimeSymbol); // End runtime exports // Begin JS library exports Module["FS"] = FS; // End JS library exports // end include: postlibrary.js // proxiedFunctionTable specifies the list of functions that can be called // either synchronously or asynchronously from other threads in postMessage()d // or internally queued events. This way a pthread in a Worker can synchronously // access e.g. the DOM on the main thread. var proxiedFunctionTable = [ _proc_exit, exitOnMainThread, pthreadCreateProxied, ___syscall_dup, ___syscall_faccessat, ___syscall_fcntl64, ___syscall_fstat64, ___syscall_ftruncate64, ___syscall_getdents64, ___syscall_ioctl, ___syscall_lstat64, ___syscall_newfstatat, ___syscall_openat, ___syscall_stat64, __mmap_js, __munmap_js, _environ_get, _environ_sizes_get, _fd_close, _fd_read, _fd_seek, _fd_write ]; function checkIncomingModuleAPI() { ignoredModuleProp("fetchSettings"); } function EnsureDir(path) { var dir = "/voices/" + UTF8ToString(path).split("/")[0]; try { FS.mkdir(dir); } catch (err) {} } function hardware_concurrency() { var concurrency = 1; try { concurrency = self.navigator.hardwareConcurrency; } catch (e) {} return concurrency; } // Imports from the Wasm binary. var _main = makeInvalidEarlyAccess("_main"); var _GoogleTtsInit = Module["_GoogleTtsInit"] = makeInvalidEarlyAccess("_GoogleTtsInit"); var _GoogleTtsShutdown = Module["_GoogleTtsShutdown"] = makeInvalidEarlyAccess("_GoogleTtsShutdown"); var _GoogleTtsInstallVoice = Module["_GoogleTtsInstallVoice"] = makeInvalidEarlyAccess("_GoogleTtsInstallVoice"); var _GoogleTtsInitBuffered = Module["_GoogleTtsInitBuffered"] = makeInvalidEarlyAccess("_GoogleTtsInitBuffered"); var _GoogleTtsReadBuffered = Module["_GoogleTtsReadBuffered"] = makeInvalidEarlyAccess("_GoogleTtsReadBuffered"); var _GoogleTtsFinalizeBuffered = Module["_GoogleTtsFinalizeBuffered"] = makeInvalidEarlyAccess("_GoogleTtsFinalizeBuffered"); var _GoogleTtsGetTimepointsCount = Module["_GoogleTtsGetTimepointsCount"] = makeInvalidEarlyAccess("_GoogleTtsGetTimepointsCount"); var _GoogleTtsGetTimepointsTimeInSecsAtIndex = Module["_GoogleTtsGetTimepointsTimeInSecsAtIndex"] = makeInvalidEarlyAccess("_GoogleTtsGetTimepointsTimeInSecsAtIndex"); var _GoogleTtsGetTimepointsCharIndexAtIndex = Module["_GoogleTtsGetTimepointsCharIndexAtIndex"] = makeInvalidEarlyAccess("_GoogleTtsGetTimepointsCharIndexAtIndex"); var _GoogleTtsGetTimepointsCharLengthAtIndex = Module["_GoogleTtsGetTimepointsCharLengthAtIndex"] = makeInvalidEarlyAccess("_GoogleTtsGetTimepointsCharLengthAtIndex"); var _GoogleTtsGetEventBufferPtr = Module["_GoogleTtsGetEventBufferPtr"] = makeInvalidEarlyAccess("_GoogleTtsGetEventBufferPtr"); var _GoogleTtsGetEventBufferLen = Module["_GoogleTtsGetEventBufferLen"] = makeInvalidEarlyAccess("_GoogleTtsGetEventBufferLen"); var _malloc = Module["_malloc"] = makeInvalidEarlyAccess("_malloc"); var _free = Module["_free"] = makeInvalidEarlyAccess("_free"); var _fflush = makeInvalidEarlyAccess("_fflush"); var _strerror = makeInvalidEarlyAccess("_strerror"); var _pthread_self = makeInvalidEarlyAccess("_pthread_self"); var ___getTypeName = makeInvalidEarlyAccess("___getTypeName"); var __embind_initialize_bindings = makeInvalidEarlyAccess("__embind_initialize_bindings"); var __emscripten_tls_init = makeInvalidEarlyAccess("__emscripten_tls_init"); var _emscripten_builtin_memalign = makeInvalidEarlyAccess("_emscripten_builtin_memalign"); var _emscripten_stack_get_end = makeInvalidEarlyAccess("_emscripten_stack_get_end"); var _emscripten_stack_get_base = makeInvalidEarlyAccess("_emscripten_stack_get_base"); var __emscripten_thread_init = makeInvalidEarlyAccess("__emscripten_thread_init"); var __emscripten_thread_crashed = makeInvalidEarlyAccess("__emscripten_thread_crashed"); var __emscripten_run_js_on_main_thread = makeInvalidEarlyAccess("__emscripten_run_js_on_main_thread"); var __emscripten_thread_free_data = makeInvalidEarlyAccess("__emscripten_thread_free_data"); var __emscripten_thread_exit = makeInvalidEarlyAccess("__emscripten_thread_exit"); var __emscripten_check_mailbox = makeInvalidEarlyAccess("__emscripten_check_mailbox"); var __emscripten_tempret_set = makeInvalidEarlyAccess("__emscripten_tempret_set"); var _emscripten_stack_init = makeInvalidEarlyAccess("_emscripten_stack_init"); var _emscripten_stack_set_limits = makeInvalidEarlyAccess("_emscripten_stack_set_limits"); 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_increment_exception_refcount = makeInvalidEarlyAccess("___cxa_increment_exception_refcount"); var ___cxa_get_exception_ptr = makeInvalidEarlyAccess("___cxa_get_exception_ptr"); var dynCall_iiiijij = makeInvalidEarlyAccess("dynCall_iiiijij"); var dynCall_jiji = makeInvalidEarlyAccess("dynCall_jiji"); var dynCall_vijj = makeInvalidEarlyAccess("dynCall_vijj"); var dynCall_ji = makeInvalidEarlyAccess("dynCall_ji"); var dynCall_jij = makeInvalidEarlyAccess("dynCall_jij"); var dynCall_viiiijii = makeInvalidEarlyAccess("dynCall_viiiijii"); var dynCall_jiiii = makeInvalidEarlyAccess("dynCall_jiiii"); var dynCall_jiii = makeInvalidEarlyAccess("dynCall_jiii"); var dynCall_viij = makeInvalidEarlyAccess("dynCall_viij"); var dynCall_viijii = makeInvalidEarlyAccess("dynCall_viijii"); var dynCall_jii = makeInvalidEarlyAccess("dynCall_jii"); var dynCall_jiij = makeInvalidEarlyAccess("dynCall_jiij"); var dynCall_vij = makeInvalidEarlyAccess("dynCall_vij"); var dynCall_iij = makeInvalidEarlyAccess("dynCall_iij"); var dynCall_jjj = makeInvalidEarlyAccess("dynCall_jjj"); var dynCall_iiiijj = makeInvalidEarlyAccess("dynCall_iiiijj"); var dynCall_viijj = makeInvalidEarlyAccess("dynCall_viijj"); var dynCall_viiijjj = makeInvalidEarlyAccess("dynCall_viiijjj"); var dynCall_iiij = makeInvalidEarlyAccess("dynCall_iiij"); var dynCall_jiijj = makeInvalidEarlyAccess("dynCall_jiijj"); var dynCall_viji = makeInvalidEarlyAccess("dynCall_viji"); var dynCall_iiji = makeInvalidEarlyAccess("dynCall_iiji"); var dynCall_iijjiii = makeInvalidEarlyAccess("dynCall_iijjiii"); var dynCall_vijjjii = makeInvalidEarlyAccess("dynCall_vijjjii"); var dynCall_vijjj = makeInvalidEarlyAccess("dynCall_vijjj"); var dynCall_vj = makeInvalidEarlyAccess("dynCall_vj"); var dynCall_iijjiiii = makeInvalidEarlyAccess("dynCall_iijjiiii"); var dynCall_iiiiij = makeInvalidEarlyAccess("dynCall_iiiiij"); var dynCall_iiiiijj = makeInvalidEarlyAccess("dynCall_iiiiijj"); var dynCall_iiiiiijj = makeInvalidEarlyAccess("dynCall_iiiiiijj"); var _kVersionStampBuildChangelistStr = Module["_kVersionStampBuildChangelistStr"] = makeInvalidEarlyAccess("_kVersionStampBuildChangelistStr"); var _kVersionStampCitcSnapshotStr = Module["_kVersionStampCitcSnapshotStr"] = makeInvalidEarlyAccess("_kVersionStampCitcSnapshotStr"); var _kVersionStampCitcWorkspaceIdStr = Module["_kVersionStampCitcWorkspaceIdStr"] = makeInvalidEarlyAccess("_kVersionStampCitcWorkspaceIdStr"); var _kVersionStampSourceUriStr = Module["_kVersionStampSourceUriStr"] = makeInvalidEarlyAccess("_kVersionStampSourceUriStr"); var _kVersionStampBuildClientStr = Module["_kVersionStampBuildClientStr"] = makeInvalidEarlyAccess("_kVersionStampBuildClientStr"); var _kVersionStampBuildClientMintStatusStr = Module["_kVersionStampBuildClientMintStatusStr"] = makeInvalidEarlyAccess("_kVersionStampBuildClientMintStatusStr"); var _kVersionStampBuildCompilerStr = Module["_kVersionStampBuildCompilerStr"] = makeInvalidEarlyAccess("_kVersionStampBuildCompilerStr"); var _kVersionStampBuildDateTimePstStr = Module["_kVersionStampBuildDateTimePstStr"] = makeInvalidEarlyAccess("_kVersionStampBuildDateTimePstStr"); var _kVersionStampBuildDepotPathStr = Module["_kVersionStampBuildDepotPathStr"] = makeInvalidEarlyAccess("_kVersionStampBuildDepotPathStr"); var _kVersionStampBuildIdStr = Module["_kVersionStampBuildIdStr"] = makeInvalidEarlyAccess("_kVersionStampBuildIdStr"); var _kVersionStampBuildInfoStr = Module["_kVersionStampBuildInfoStr"] = makeInvalidEarlyAccess("_kVersionStampBuildInfoStr"); var _kVersionStampBuildLabelStr = Module["_kVersionStampBuildLabelStr"] = makeInvalidEarlyAccess("_kVersionStampBuildLabelStr"); var _kVersionStampBuildTargetStr = Module["_kVersionStampBuildTargetStr"] = makeInvalidEarlyAccess("_kVersionStampBuildTargetStr"); var _kVersionStampBuildTimestampStr = Module["_kVersionStampBuildTimestampStr"] = makeInvalidEarlyAccess("_kVersionStampBuildTimestampStr"); var _kVersionStampBuildToolStr = Module["_kVersionStampBuildToolStr"] = makeInvalidEarlyAccess("_kVersionStampBuildToolStr"); var _kVersionStampG3BuildTargetStr = Module["_kVersionStampG3BuildTargetStr"] = makeInvalidEarlyAccess("_kVersionStampG3BuildTargetStr"); var _kVersionStampVerifiableStr = Module["_kVersionStampVerifiableStr"] = makeInvalidEarlyAccess("_kVersionStampVerifiableStr"); var _kVersionStampBuildFdoTypeStr = Module["_kVersionStampBuildFdoTypeStr"] = makeInvalidEarlyAccess("_kVersionStampBuildFdoTypeStr"); var _kVersionStampBuildBaselineChangelistStr = Module["_kVersionStampBuildBaselineChangelistStr"] = makeInvalidEarlyAccess("_kVersionStampBuildBaselineChangelistStr"); var _kVersionStampBuildLtoTypeStr = Module["_kVersionStampBuildLtoTypeStr"] = makeInvalidEarlyAccess("_kVersionStampBuildLtoTypeStr"); var _kVersionStampBuildPropellerTypeStr = Module["_kVersionStampBuildPropellerTypeStr"] = makeInvalidEarlyAccess("_kVersionStampBuildPropellerTypeStr"); var _kVersionStampBuildPghoTypeStr = Module["_kVersionStampBuildPghoTypeStr"] = makeInvalidEarlyAccess("_kVersionStampBuildPghoTypeStr"); var _kVersionStampBuildUsernameStr = Module["_kVersionStampBuildUsernameStr"] = makeInvalidEarlyAccess("_kVersionStampBuildUsernameStr"); var _kVersionStampBuildHostnameStr = Module["_kVersionStampBuildHostnameStr"] = makeInvalidEarlyAccess("_kVersionStampBuildHostnameStr"); var _kVersionStampBuildDirectoryStr = Module["_kVersionStampBuildDirectoryStr"] = makeInvalidEarlyAccess("_kVersionStampBuildDirectoryStr"); var _kVersionStampBuildChangelistInt = Module["_kVersionStampBuildChangelistInt"] = makeInvalidEarlyAccess("_kVersionStampBuildChangelistInt"); var _kVersionStampCitcSnapshotInt = Module["_kVersionStampCitcSnapshotInt"] = makeInvalidEarlyAccess("_kVersionStampCitcSnapshotInt"); var _kVersionStampBuildClientMintStatusInt = Module["_kVersionStampBuildClientMintStatusInt"] = makeInvalidEarlyAccess("_kVersionStampBuildClientMintStatusInt"); var _kVersionStampBuildTimestampInt = Module["_kVersionStampBuildTimestampInt"] = makeInvalidEarlyAccess("_kVersionStampBuildTimestampInt"); var _kVersionStampVerifiableInt = Module["_kVersionStampVerifiableInt"] = makeInvalidEarlyAccess("_kVersionStampVerifiableInt"); var _kVersionStampBuildCoverageEnabledInt = Module["_kVersionStampBuildCoverageEnabledInt"] = makeInvalidEarlyAccess("_kVersionStampBuildCoverageEnabledInt"); var _kVersionStampBuildBaselineChangelistInt = Module["_kVersionStampBuildBaselineChangelistInt"] = makeInvalidEarlyAccess("_kVersionStampBuildBaselineChangelistInt"); var _kVersionStampPrecookedTimestampStr = Module["_kVersionStampPrecookedTimestampStr"] = makeInvalidEarlyAccess("_kVersionStampPrecookedTimestampStr"); var _kVersionStampPrecookedClientInfoStr = Module["_kVersionStampPrecookedClientInfoStr"] = makeInvalidEarlyAccess("_kVersionStampPrecookedClientInfoStr"); var __indirect_function_table = makeInvalidEarlyAccess("__indirect_function_table"); var wasmTable = makeInvalidEarlyAccess("wasmTable"); function assignWasmExports(wasmExports) { assert(typeof wasmExports["__main_argc_argv"] != "undefined", "missing Wasm export: __main_argc_argv"); assert(typeof wasmExports["GoogleTtsInit"] != "undefined", "missing Wasm export: GoogleTtsInit"); assert(typeof wasmExports["GoogleTtsShutdown"] != "undefined", "missing Wasm export: GoogleTtsShutdown"); assert(typeof wasmExports["GoogleTtsInstallVoice"] != "undefined", "missing Wasm export: GoogleTtsInstallVoice"); assert(typeof wasmExports["GoogleTtsInitBuffered"] != "undefined", "missing Wasm export: GoogleTtsInitBuffered"); assert(typeof wasmExports["GoogleTtsReadBuffered"] != "undefined", "missing Wasm export: GoogleTtsReadBuffered"); assert(typeof wasmExports["GoogleTtsFinalizeBuffered"] != "undefined", "missing Wasm export: GoogleTtsFinalizeBuffered"); assert(typeof wasmExports["GoogleTtsGetTimepointsCount"] != "undefined", "missing Wasm export: GoogleTtsGetTimepointsCount"); assert(typeof wasmExports["GoogleTtsGetTimepointsTimeInSecsAtIndex"] != "undefined", "missing Wasm export: GoogleTtsGetTimepointsTimeInSecsAtIndex"); assert(typeof wasmExports["GoogleTtsGetTimepointsCharIndexAtIndex"] != "undefined", "missing Wasm export: GoogleTtsGetTimepointsCharIndexAtIndex"); assert(typeof wasmExports["GoogleTtsGetTimepointsCharLengthAtIndex"] != "undefined", "missing Wasm export: GoogleTtsGetTimepointsCharLengthAtIndex"); assert(typeof wasmExports["GoogleTtsGetEventBufferPtr"] != "undefined", "missing Wasm export: GoogleTtsGetEventBufferPtr"); assert(typeof wasmExports["GoogleTtsGetEventBufferLen"] != "undefined", "missing Wasm export: GoogleTtsGetEventBufferLen"); assert(typeof wasmExports["malloc"] != "undefined", "missing Wasm export: malloc"); assert(typeof wasmExports["free"] != "undefined", "missing Wasm export: free"); assert(typeof wasmExports["fflush"] != "undefined", "missing Wasm export: fflush"); assert(typeof wasmExports["strerror"] != "undefined", "missing Wasm export: strerror"); assert(typeof wasmExports["pthread_self"] != "undefined", "missing Wasm export: pthread_self"); assert(typeof wasmExports["__getTypeName"] != "undefined", "missing Wasm export: __getTypeName"); assert(typeof wasmExports["_embind_initialize_bindings"] != "undefined", "missing Wasm export: _embind_initialize_bindings"); assert(typeof wasmExports["_emscripten_tls_init"] != "undefined", "missing Wasm export: _emscripten_tls_init"); assert(typeof wasmExports["emscripten_builtin_memalign"] != "undefined", "missing Wasm export: emscripten_builtin_memalign"); assert(typeof wasmExports["emscripten_stack_get_end"] != "undefined", "missing Wasm export: emscripten_stack_get_end"); assert(typeof wasmExports["emscripten_stack_get_base"] != "undefined", "missing Wasm export: emscripten_stack_get_base"); assert(typeof wasmExports["_emscripten_thread_init"] != "undefined", "missing Wasm export: _emscripten_thread_init"); assert(typeof wasmExports["_emscripten_thread_crashed"] != "undefined", "missing Wasm export: _emscripten_thread_crashed"); assert(typeof wasmExports["_emscripten_run_js_on_main_thread"] != "undefined", "missing Wasm export: _emscripten_run_js_on_main_thread"); assert(typeof wasmExports["_emscripten_thread_free_data"] != "undefined", "missing Wasm export: _emscripten_thread_free_data"); assert(typeof wasmExports["_emscripten_thread_exit"] != "undefined", "missing Wasm export: _emscripten_thread_exit"); assert(typeof wasmExports["_emscripten_check_mailbox"] != "undefined", "missing Wasm export: _emscripten_check_mailbox"); assert(typeof wasmExports["_emscripten_tempret_set"] != "undefined", "missing Wasm export: _emscripten_tempret_set"); assert(typeof wasmExports["emscripten_stack_init"] != "undefined", "missing Wasm export: emscripten_stack_init"); assert(typeof wasmExports["emscripten_stack_set_limits"] != "undefined", "missing Wasm export: emscripten_stack_set_limits"); assert(typeof wasmExports["emscripten_stack_get_free"] != "undefined", "missing Wasm export: emscripten_stack_get_free"); assert(typeof wasmExports["_emscripten_stack_restore"] != "undefined", "missing Wasm export: _emscripten_stack_restore"); assert(typeof wasmExports["_emscripten_stack_alloc"] != "undefined", "missing Wasm export: _emscripten_stack_alloc"); assert(typeof wasmExports["emscripten_stack_get_current"] != "undefined", "missing Wasm export: emscripten_stack_get_current"); assert(typeof wasmExports["__cxa_increment_exception_refcount"] != "undefined", "missing Wasm export: __cxa_increment_exception_refcount"); assert(typeof wasmExports["__cxa_get_exception_ptr"] != "undefined", "missing Wasm export: __cxa_get_exception_ptr"); assert(typeof wasmExports["dynCall_iiiijij"] != "undefined", "missing Wasm export: dynCall_iiiijij"); assert(typeof wasmExports["dynCall_jiji"] != "undefined", "missing Wasm export: dynCall_jiji"); assert(typeof wasmExports["dynCall_vijj"] != "undefined", "missing Wasm export: dynCall_vijj"); assert(typeof wasmExports["dynCall_ji"] != "undefined", "missing Wasm export: dynCall_ji"); assert(typeof wasmExports["dynCall_jij"] != "undefined", "missing Wasm export: dynCall_jij"); assert(typeof wasmExports["dynCall_viiiijii"] != "undefined", "missing Wasm export: dynCall_viiiijii"); assert(typeof wasmExports["dynCall_jiiii"] != "undefined", "missing Wasm export: dynCall_jiiii"); assert(typeof wasmExports["dynCall_jiii"] != "undefined", "missing Wasm export: dynCall_jiii"); assert(typeof wasmExports["dynCall_viij"] != "undefined", "missing Wasm export: dynCall_viij"); assert(typeof wasmExports["dynCall_viijii"] != "undefined", "missing Wasm export: dynCall_viijii"); assert(typeof wasmExports["dynCall_jii"] != "undefined", "missing Wasm export: dynCall_jii"); assert(typeof wasmExports["dynCall_jiij"] != "undefined", "missing Wasm export: dynCall_jiij"); assert(typeof wasmExports["dynCall_vij"] != "undefined", "missing Wasm export: dynCall_vij"); assert(typeof wasmExports["dynCall_iij"] != "undefined", "missing Wasm export: dynCall_iij"); assert(typeof wasmExports["dynCall_jjj"] != "undefined", "missing Wasm export: dynCall_jjj"); assert(typeof wasmExports["dynCall_iiiijj"] != "undefined", "missing Wasm export: dynCall_iiiijj"); assert(typeof wasmExports["dynCall_viijj"] != "undefined", "missing Wasm export: dynCall_viijj"); assert(typeof wasmExports["dynCall_viiijjj"] != "undefined", "missing Wasm export: dynCall_viiijjj"); assert(typeof wasmExports["dynCall_iiij"] != "undefined", "missing Wasm export: dynCall_iiij"); assert(typeof wasmExports["dynCall_jiijj"] != "undefined", "missing Wasm export: dynCall_jiijj"); assert(typeof wasmExports["dynCall_viji"] != "undefined", "missing Wasm export: dynCall_viji"); assert(typeof wasmExports["dynCall_iiji"] != "undefined", "missing Wasm export: dynCall_iiji"); assert(typeof wasmExports["dynCall_iijjiii"] != "undefined", "missing Wasm export: dynCall_iijjiii"); assert(typeof wasmExports["dynCall_vijjjii"] != "undefined", "missing Wasm export: dynCall_vijjjii"); assert(typeof wasmExports["dynCall_vijjj"] != "undefined", "missing Wasm export: dynCall_vijjj"); assert(typeof wasmExports["dynCall_vj"] != "undefined", "missing Wasm export: dynCall_vj"); assert(typeof wasmExports["dynCall_iijjiiii"] != "undefined", "missing Wasm export: dynCall_iijjiiii"); assert(typeof wasmExports["dynCall_iiiiij"] != "undefined", "missing Wasm export: dynCall_iiiiij"); assert(typeof wasmExports["dynCall_iiiiijj"] != "undefined", "missing Wasm export: dynCall_iiiiijj"); assert(typeof wasmExports["dynCall_iiiiiijj"] != "undefined", "missing Wasm export: dynCall_iiiiiijj"); assert(typeof wasmExports["kVersionStampBuildChangelistStr"] != "undefined", "missing Wasm export: kVersionStampBuildChangelistStr"); assert(typeof wasmExports["kVersionStampCitcSnapshotStr"] != "undefined", "missing Wasm export: kVersionStampCitcSnapshotStr"); assert(typeof wasmExports["kVersionStampCitcWorkspaceIdStr"] != "undefined", "missing Wasm export: kVersionStampCitcWorkspaceIdStr"); assert(typeof wasmExports["kVersionStampSourceUriStr"] != "undefined", "missing Wasm export: kVersionStampSourceUriStr"); assert(typeof wasmExports["kVersionStampBuildClientStr"] != "undefined", "missing Wasm export: kVersionStampBuildClientStr"); assert(typeof wasmExports["kVersionStampBuildClientMintStatusStr"] != "undefined", "missing Wasm export: kVersionStampBuildClientMintStatusStr"); assert(typeof wasmExports["kVersionStampBuildCompilerStr"] != "undefined", "missing Wasm export: kVersionStampBuildCompilerStr"); assert(typeof wasmExports["kVersionStampBuildDateTimePstStr"] != "undefined", "missing Wasm export: kVersionStampBuildDateTimePstStr"); assert(typeof wasmExports["kVersionStampBuildDepotPathStr"] != "undefined", "missing Wasm export: kVersionStampBuildDepotPathStr"); assert(typeof wasmExports["kVersionStampBuildIdStr"] != "undefined", "missing Wasm export: kVersionStampBuildIdStr"); assert(typeof wasmExports["kVersionStampBuildInfoStr"] != "undefined", "missing Wasm export: kVersionStampBuildInfoStr"); assert(typeof wasmExports["kVersionStampBuildLabelStr"] != "undefined", "missing Wasm export: kVersionStampBuildLabelStr"); assert(typeof wasmExports["kVersionStampBuildTargetStr"] != "undefined", "missing Wasm export: kVersionStampBuildTargetStr"); assert(typeof wasmExports["kVersionStampBuildTimestampStr"] != "undefined", "missing Wasm export: kVersionStampBuildTimestampStr"); assert(typeof wasmExports["kVersionStampBuildToolStr"] != "undefined", "missing Wasm export: kVersionStampBuildToolStr"); assert(typeof wasmExports["kVersionStampG3BuildTargetStr"] != "undefined", "missing Wasm export: kVersionStampG3BuildTargetStr"); assert(typeof wasmExports["kVersionStampVerifiableStr"] != "undefined", "missing Wasm export: kVersionStampVerifiableStr"); assert(typeof wasmExports["kVersionStampBuildFdoTypeStr"] != "undefined", "missing Wasm export: kVersionStampBuildFdoTypeStr"); assert(typeof wasmExports["kVersionStampBuildBaselineChangelistStr"] != "undefined", "missing Wasm export: kVersionStampBuildBaselineChangelistStr"); assert(typeof wasmExports["kVersionStampBuildLtoTypeStr"] != "undefined", "missing Wasm export: kVersionStampBuildLtoTypeStr"); assert(typeof wasmExports["kVersionStampBuildPropellerTypeStr"] != "undefined", "missing Wasm export: kVersionStampBuildPropellerTypeStr"); assert(typeof wasmExports["kVersionStampBuildPghoTypeStr"] != "undefined", "missing Wasm export: kVersionStampBuildPghoTypeStr"); assert(typeof wasmExports["kVersionStampBuildUsernameStr"] != "undefined", "missing Wasm export: kVersionStampBuildUsernameStr"); assert(typeof wasmExports["kVersionStampBuildHostnameStr"] != "undefined", "missing Wasm export: kVersionStampBuildHostnameStr"); assert(typeof wasmExports["kVersionStampBuildDirectoryStr"] != "undefined", "missing Wasm export: kVersionStampBuildDirectoryStr"); assert(typeof wasmExports["kVersionStampBuildChangelistInt"] != "undefined", "missing Wasm export: kVersionStampBuildChangelistInt"); assert(typeof wasmExports["kVersionStampCitcSnapshotInt"] != "undefined", "missing Wasm export: kVersionStampCitcSnapshotInt"); assert(typeof wasmExports["kVersionStampBuildClientMintStatusInt"] != "undefined", "missing Wasm export: kVersionStampBuildClientMintStatusInt"); assert(typeof wasmExports["kVersionStampBuildTimestampInt"] != "undefined", "missing Wasm export: kVersionStampBuildTimestampInt"); assert(typeof wasmExports["kVersionStampVerifiableInt"] != "undefined", "missing Wasm export: kVersionStampVerifiableInt"); assert(typeof wasmExports["kVersionStampBuildCoverageEnabledInt"] != "undefined", "missing Wasm export: kVersionStampBuildCoverageEnabledInt"); assert(typeof wasmExports["kVersionStampBuildBaselineChangelistInt"] != "undefined", "missing Wasm export: kVersionStampBuildBaselineChangelistInt"); assert(typeof wasmExports["kVersionStampPrecookedTimestampStr"] != "undefined", "missing Wasm export: kVersionStampPrecookedTimestampStr"); assert(typeof wasmExports["kVersionStampPrecookedClientInfoStr"] != "undefined", "missing Wasm export: kVersionStampPrecookedClientInfoStr"); assert(typeof wasmExports["__indirect_function_table"] != "undefined", "missing Wasm export: __indirect_function_table"); _main = createExportWrapper("__main_argc_argv", 2); _GoogleTtsInit = Module["_GoogleTtsInit"] = createExportWrapper("GoogleTtsInit", 2); _GoogleTtsShutdown = Module["_GoogleTtsShutdown"] = createExportWrapper("GoogleTtsShutdown", 0); _GoogleTtsInstallVoice = Module["_GoogleTtsInstallVoice"] = createExportWrapper("GoogleTtsInstallVoice", 3); _GoogleTtsInitBuffered = Module["_GoogleTtsInitBuffered"] = createExportWrapper("GoogleTtsInitBuffered", 4); _GoogleTtsReadBuffered = Module["_GoogleTtsReadBuffered"] = createExportWrapper("GoogleTtsReadBuffered", 0); _GoogleTtsFinalizeBuffered = Module["_GoogleTtsFinalizeBuffered"] = createExportWrapper("GoogleTtsFinalizeBuffered", 0); _GoogleTtsGetTimepointsCount = Module["_GoogleTtsGetTimepointsCount"] = createExportWrapper("GoogleTtsGetTimepointsCount", 0); _GoogleTtsGetTimepointsTimeInSecsAtIndex = Module["_GoogleTtsGetTimepointsTimeInSecsAtIndex"] = createExportWrapper("GoogleTtsGetTimepointsTimeInSecsAtIndex", 1); _GoogleTtsGetTimepointsCharIndexAtIndex = Module["_GoogleTtsGetTimepointsCharIndexAtIndex"] = createExportWrapper("GoogleTtsGetTimepointsCharIndexAtIndex", 1); _GoogleTtsGetTimepointsCharLengthAtIndex = Module["_GoogleTtsGetTimepointsCharLengthAtIndex"] = createExportWrapper("GoogleTtsGetTimepointsCharLengthAtIndex", 1); _GoogleTtsGetEventBufferPtr = Module["_GoogleTtsGetEventBufferPtr"] = createExportWrapper("GoogleTtsGetEventBufferPtr", 0); _GoogleTtsGetEventBufferLen = Module["_GoogleTtsGetEventBufferLen"] = createExportWrapper("GoogleTtsGetEventBufferLen", 0); _malloc = Module["_malloc"] = createExportWrapper("malloc", 1); _free = Module["_free"] = createExportWrapper("free", 1); _fflush = createExportWrapper("fflush", 1); _strerror = createExportWrapper("strerror", 1); _pthread_self = createExportWrapper("pthread_self", 0); ___getTypeName = createExportWrapper("__getTypeName", 1); __embind_initialize_bindings = createExportWrapper("_embind_initialize_bindings", 0); __emscripten_tls_init = createExportWrapper("_emscripten_tls_init", 0); _emscripten_builtin_memalign = createExportWrapper("emscripten_builtin_memalign", 2); _emscripten_stack_get_end = wasmExports["emscripten_stack_get_end"]; _emscripten_stack_get_base = wasmExports["emscripten_stack_get_base"]; __emscripten_thread_init = createExportWrapper("_emscripten_thread_init", 6); __emscripten_thread_crashed = createExportWrapper("_emscripten_thread_crashed", 0); __emscripten_run_js_on_main_thread = createExportWrapper("_emscripten_run_js_on_main_thread", 5); __emscripten_thread_free_data = createExportWrapper("_emscripten_thread_free_data", 1); __emscripten_thread_exit = createExportWrapper("_emscripten_thread_exit", 1); __emscripten_check_mailbox = createExportWrapper("_emscripten_check_mailbox", 0); __emscripten_tempret_set = createExportWrapper("_emscripten_tempret_set", 1); _emscripten_stack_init = wasmExports["emscripten_stack_init"]; _emscripten_stack_set_limits = wasmExports["emscripten_stack_set_limits"]; _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_increment_exception_refcount = createExportWrapper("__cxa_increment_exception_refcount", 1); ___cxa_get_exception_ptr = createExportWrapper("__cxa_get_exception_ptr", 1); dynCall_iiiijij = createExportWrapper("dynCall_iiiijij", 9); dynCall_jiji = createExportWrapper("dynCall_jiji", 5); dynCall_vijj = createExportWrapper("dynCall_vijj", 6); dynCall_ji = createExportWrapper("dynCall_ji", 2); dynCall_jij = createExportWrapper("dynCall_jij", 4); dynCall_viiiijii = createExportWrapper("dynCall_viiiijii", 9); dynCall_jiiii = createExportWrapper("dynCall_jiiii", 5); dynCall_jiii = createExportWrapper("dynCall_jiii", 4); dynCall_viij = createExportWrapper("dynCall_viij", 5); dynCall_viijii = createExportWrapper("dynCall_viijii", 7); dynCall_jii = createExportWrapper("dynCall_jii", 3); dynCall_jiij = createExportWrapper("dynCall_jiij", 5); dynCall_vij = createExportWrapper("dynCall_vij", 4); dynCall_iij = createExportWrapper("dynCall_iij", 4); dynCall_jjj = createExportWrapper("dynCall_jjj", 5); dynCall_iiiijj = createExportWrapper("dynCall_iiiijj", 8); dynCall_viijj = createExportWrapper("dynCall_viijj", 7); dynCall_viiijjj = createExportWrapper("dynCall_viiijjj", 10); dynCall_iiij = createExportWrapper("dynCall_iiij", 5); dynCall_jiijj = createExportWrapper("dynCall_jiijj", 7); dynCall_viji = createExportWrapper("dynCall_viji", 5); dynCall_iiji = createExportWrapper("dynCall_iiji", 5); dynCall_iijjiii = createExportWrapper("dynCall_iijjiii", 9); dynCall_vijjjii = createExportWrapper("dynCall_vijjjii", 10); dynCall_vijjj = createExportWrapper("dynCall_vijjj", 8); dynCall_vj = createExportWrapper("dynCall_vj", 3); dynCall_iijjiiii = createExportWrapper("dynCall_iijjiiii", 10); dynCall_iiiiij = createExportWrapper("dynCall_iiiiij", 7); dynCall_iiiiijj = createExportWrapper("dynCall_iiiiijj", 9); dynCall_iiiiiijj = createExportWrapper("dynCall_iiiiiijj", 10); _kVersionStampBuildChangelistStr = Module["_kVersionStampBuildChangelistStr"] = wasmExports["kVersionStampBuildChangelistStr"].value; _kVersionStampCitcSnapshotStr = Module["_kVersionStampCitcSnapshotStr"] = wasmExports["kVersionStampCitcSnapshotStr"].value; _kVersionStampCitcWorkspaceIdStr = Module["_kVersionStampCitcWorkspaceIdStr"] = wasmExports["kVersionStampCitcWorkspaceIdStr"].value; _kVersionStampSourceUriStr = Module["_kVersionStampSourceUriStr"] = wasmExports["kVersionStampSourceUriStr"].value; _kVersionStampBuildClientStr = Module["_kVersionStampBuildClientStr"] = wasmExports["kVersionStampBuildClientStr"].value; _kVersionStampBuildClientMintStatusStr = Module["_kVersionStampBuildClientMintStatusStr"] = wasmExports["kVersionStampBuildClientMintStatusStr"].value; _kVersionStampBuildCompilerStr = Module["_kVersionStampBuildCompilerStr"] = wasmExports["kVersionStampBuildCompilerStr"].value; _kVersionStampBuildDateTimePstStr = Module["_kVersionStampBuildDateTimePstStr"] = wasmExports["kVersionStampBuildDateTimePstStr"].value; _kVersionStampBuildDepotPathStr = Module["_kVersionStampBuildDepotPathStr"] = wasmExports["kVersionStampBuildDepotPathStr"].value; _kVersionStampBuildIdStr = Module["_kVersionStampBuildIdStr"] = wasmExports["kVersionStampBuildIdStr"].value; _kVersionStampBuildInfoStr = Module["_kVersionStampBuildInfoStr"] = wasmExports["kVersionStampBuildInfoStr"].value; _kVersionStampBuildLabelStr = Module["_kVersionStampBuildLabelStr"] = wasmExports["kVersionStampBuildLabelStr"].value; _kVersionStampBuildTargetStr = Module["_kVersionStampBuildTargetStr"] = wasmExports["kVersionStampBuildTargetStr"].value; _kVersionStampBuildTimestampStr = Module["_kVersionStampBuildTimestampStr"] = wasmExports["kVersionStampBuildTimestampStr"].value; _kVersionStampBuildToolStr = Module["_kVersionStampBuildToolStr"] = wasmExports["kVersionStampBuildToolStr"].value; _kVersionStampG3BuildTargetStr = Module["_kVersionStampG3BuildTargetStr"] = wasmExports["kVersionStampG3BuildTargetStr"].value; _kVersionStampVerifiableStr = Module["_kVersionStampVerifiableStr"] = wasmExports["kVersionStampVerifiableStr"].value; _kVersionStampBuildFdoTypeStr = Module["_kVersionStampBuildFdoTypeStr"] = wasmExports["kVersionStampBuildFdoTypeStr"].value; _kVersionStampBuildBaselineChangelistStr = Module["_kVersionStampBuildBaselineChangelistStr"] = wasmExports["kVersionStampBuildBaselineChangelistStr"].value; _kVersionStampBuildLtoTypeStr = Module["_kVersionStampBuildLtoTypeStr"] = wasmExports["kVersionStampBuildLtoTypeStr"].value; _kVersionStampBuildPropellerTypeStr = Module["_kVersionStampBuildPropellerTypeStr"] = wasmExports["kVersionStampBuildPropellerTypeStr"].value; _kVersionStampBuildPghoTypeStr = Module["_kVersionStampBuildPghoTypeStr"] = wasmExports["kVersionStampBuildPghoTypeStr"].value; _kVersionStampBuildUsernameStr = Module["_kVersionStampBuildUsernameStr"] = wasmExports["kVersionStampBuildUsernameStr"].value; _kVersionStampBuildHostnameStr = Module["_kVersionStampBuildHostnameStr"] = wasmExports["kVersionStampBuildHostnameStr"].value; _kVersionStampBuildDirectoryStr = Module["_kVersionStampBuildDirectoryStr"] = wasmExports["kVersionStampBuildDirectoryStr"].value; _kVersionStampBuildChangelistInt = Module["_kVersionStampBuildChangelistInt"] = wasmExports["kVersionStampBuildChangelistInt"].value; _kVersionStampCitcSnapshotInt = Module["_kVersionStampCitcSnapshotInt"] = wasmExports["kVersionStampCitcSnapshotInt"].value; _kVersionStampBuildClientMintStatusInt = Module["_kVersionStampBuildClientMintStatusInt"] = wasmExports["kVersionStampBuildClientMintStatusInt"].value; _kVersionStampBuildTimestampInt = Module["_kVersionStampBuildTimestampInt"] = wasmExports["kVersionStampBuildTimestampInt"].value; _kVersionStampVerifiableInt = Module["_kVersionStampVerifiableInt"] = wasmExports["kVersionStampVerifiableInt"].value; _kVersionStampBuildCoverageEnabledInt = Module["_kVersionStampBuildCoverageEnabledInt"] = wasmExports["kVersionStampBuildCoverageEnabledInt"].value; _kVersionStampBuildBaselineChangelistInt = Module["_kVersionStampBuildBaselineChangelistInt"] = wasmExports["kVersionStampBuildBaselineChangelistInt"].value; _kVersionStampPrecookedTimestampStr = Module["_kVersionStampPrecookedTimestampStr"] = wasmExports["kVersionStampPrecookedTimestampStr"].value; _kVersionStampPrecookedClientInfoStr = Module["_kVersionStampPrecookedClientInfoStr"] = wasmExports["kVersionStampPrecookedClientInfoStr"].value; __indirect_function_table = wasmTable = wasmExports["__indirect_function_table"]; } var wasmImports; function assignWasmImports() { wasmImports = { /** @export */ EnsureDir, /** @export */ __assert_fail: ___assert_fail, /** @export */ __cxa_throw: ___cxa_throw, /** @export */ __pthread_create_js: ___pthread_create_js, /** @export */ __syscall_dup: ___syscall_dup, /** @export */ __syscall_faccessat: ___syscall_faccessat, /** @export */ __syscall_fcntl64: ___syscall_fcntl64, /** @export */ __syscall_fstat64: ___syscall_fstat64, /** @export */ __syscall_ftruncate64: ___syscall_ftruncate64, /** @export */ __syscall_getdents64: ___syscall_getdents64, /** @export */ __syscall_ioctl: ___syscall_ioctl, /** @export */ __syscall_lstat64: ___syscall_lstat64, /** @export */ __syscall_newfstatat: ___syscall_newfstatat, /** @export */ __syscall_openat: ___syscall_openat, /** @export */ __syscall_stat64: ___syscall_stat64, /** @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_integer: __embind_register_integer, /** @export */ _embind_register_memory_view: __embind_register_memory_view, /** @export */ _embind_register_std_string: __embind_register_std_string, /** @export */ _embind_register_std_wstring: __embind_register_std_wstring, /** @export */ _embind_register_void: __embind_register_void, /** @export */ _emscripten_init_main_thread_js: __emscripten_init_main_thread_js, /** @export */ _emscripten_notify_mailbox_postmessage: __emscripten_notify_mailbox_postmessage, /** @export */ _emscripten_receive_on_main_thread_js: __emscripten_receive_on_main_thread_js, /** @export */ _emscripten_thread_cleanup: __emscripten_thread_cleanup, /** @export */ _emscripten_thread_mailbox_await: __emscripten_thread_mailbox_await, /** @export */ _emscripten_thread_set_strongref: __emscripten_thread_set_strongref, /** @export */ _mmap_js: __mmap_js, /** @export */ _munmap_js: __munmap_js, /** @export */ _tzset_js: __tzset_js, /** @export */ clock_time_get: _clock_time_get, /** @export */ emscripten_check_blocking_allowed: _emscripten_check_blocking_allowed, /** @export */ emscripten_errn: _emscripten_errn, /** @export */ emscripten_exit_with_live_runtime: _emscripten_exit_with_live_runtime, /** @export */ emscripten_get_heap_max: _emscripten_get_heap_max, /** @export */ emscripten_get_now: _emscripten_get_now, /** @export */ emscripten_num_logical_cores: _emscripten_num_logical_cores, /** @export */ emscripten_pc_get_function: _emscripten_pc_get_function, /** @export */ emscripten_resize_heap: _emscripten_resize_heap, /** @export */ emscripten_stack_snapshot: _emscripten_stack_snapshot, /** @export */ emscripten_stack_unwind_buffer: _emscripten_stack_unwind_buffer, /** @export */ environ_get: _environ_get, /** @export */ environ_sizes_get: _environ_sizes_get, /** @export */ exit: _exit, /** @export */ fd_close: _fd_close, /** @export */ fd_read: _fd_read, /** @export */ fd_seek: _fd_seek, /** @export */ fd_write: _fd_write, /** @export */ hardware_concurrency, /** @export */ memory: wasmMemory, /** @export */ proc_exit: _proc_exit, /** @export */ random_get: _random_get }; } // 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. // See $establishStackSpace for the equivalent code that runs on a thread assert(!ENVIRONMENT_IS_PTHREAD); _emscripten_stack_init(); // TODO(sbc): Move writeStackCookie to native to to avoid this. writeStackCookie(); } function run(args = arguments_) { if (runDependencies > 0) { dependenciesFulfilled = run; return; } if ((ENVIRONMENT_IS_PTHREAD)) { readyPromiseResolve?.(Module); initRuntime(); 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 for (var name of [ "stdout", "stderr" ]) { 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."); } } var wasmExports; if ((!(ENVIRONMENT_IS_PTHREAD))) { // Call createWasm on startup if we are the main thread. // Worker threads call this once they receive the module via postMessage // In modularize mode the generated code is within a factory function so we // can use await here (since it's not top-level-await). wasmExports = await (createWasm()); 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.`); } }); } } return moduleRtn; }; })(); // Export using a UMD style export, or ES6 exports if selected if (typeof exports === 'object' && typeof module === 'object') { module.exports = loadWasmTtsBindings; // This default export looks redundant, but it allows TS to import this // commonjs style module. module.exports.default = loadWasmTtsBindings; } else if (typeof define === 'function' && define['amd']) define([], () => loadWasmTtsBindings); // Create code for detecting if we are running in a pthread. // Normally this detection is done when the module is itself run but // when running in MODULARIZE mode we need use this to know if we should // run the module constructor on startup (true only for pthreads). var isPthread = globalThis.self?.name?.startsWith('em-pthread'); // In order to support both web and node we also need to detect node here. var isNode = globalThis.process?.versions?.node && globalThis.process?.type != 'renderer'; if (isNode) isPthread = require('worker_threads').workerData === 'em-pthread' isPthread && loadWasmTtsBindings();