libxslt-wasm
Version:
JavaScript bindings for libxslt compiled to WebAssembly
8,321 lines • 293 kB
JavaScript
var LibxsltModule = (() => {
var _scriptName = import.meta.url;
return (
async function(moduleArg = {}) {
var moduleRtn;
// include: shell.js
// The Module object: Our interface to the outside world. We import
// and export values on it. There are various ways Module can be used:
// 1. Not defined. We create it here
// 2. A function parameter, function(moduleArg) => Promise<Module>
// 3. pre-run appended it, var Module = {}; ..generated code..
// 4. External script tag defines var Module.
// We need to check if Module already exists (e.g. case 3 above).
// Substitution will be replaced with actual code on later stage of the build,
// this way Closure Compiler will not mangle it (e.g. case 4. above).
// Note that if you want to run closure, and also to use Module
// after the generated code, you will need to define var Module = {};
// before the code. Then that object will be used in the code, and you
// can continue to use Module afterwards as well.
var Module = moduleArg;
// Set up the promise that indicates the Module is initialized
var readyPromiseResolve, readyPromiseReject;
var readyPromise = new Promise((resolve, reject) => {
readyPromiseResolve = resolve;
readyPromiseReject = reject;
});
// Determine the runtime environment we are in. You can customize this by
// setting the ENVIRONMENT setting at compile time (see settings.js).
var ENVIRONMENT_IS_WEB = false;
// node+pthreads always supports workers; detect which we are at runtime
var ENVIRONMENT_IS_WORKER = typeof WorkerGlobalScope != 'undefined';
var ENVIRONMENT_IS_NODE = true;
var ENVIRONMENT_IS_SHELL = false;
// Three configurations we can be running in:
// 1) We could be the application main() thread running in the main JS UI thread. (ENVIRONMENT_IS_WORKER == false and ENVIRONMENT_IS_PTHREAD == false)
// 2) We could be the application main() thread proxied to worker. (with Emscripten -sPROXY_TO_WORKER) (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false)
// 3) We could be an application pthread running in a worker. (ENVIRONMENT_IS_WORKER == true and ENVIRONMENT_IS_PTHREAD == true)
// 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) {
// When building an ES module `require` is not normally available.
// We need to use `createRequire()` to construct the require()` function.
const { createRequire } = await import('module');
/** @suppress{duplicate} */
var require = createRequire(import.meta.url);
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;
};
// `/` 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) {
if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
var nodeVersion = process.versions.node;
var numericVersion = nodeVersion.split('.').slice(0, 3);
numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1);
var minVersion = 190200;
if (numericVersion < 190200) {
throw new Error('This emscripten-generated code requires node v19.02.2.0 (detected v' + nodeVersion + ')');
}
// These modules will usually be used on Node.js. Load them eagerly to avoid
// the complexity of lazy-loading.
var fs = require('fs');
var nodePath = require('path');
// EXPORT_ES6 + ENVIRONMENT_IS_NODE always requires use of import.meta.url,
// since there's no way getting the current absolute path of the module when
// support for that is not available.
if (!import.meta.url.startsWith('data:')) {
scriptDirectory = nodePath.dirname(require('url').fileURLToPath(import.meta.url)) + '/';
}
// 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) {
if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof WorkerGlobalScope != 'undefined') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
} else
// Note that this includes Node.js workers when relevant (pthreads is enabled).
// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
// ENVIRONMENT_IS_NODE.
if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
scriptDirectory = self.location.href;
} else if (typeof document != 'undefined' && document.currentScript) { // web
scriptDirectory = document.currentScript.src;
}
// When MODULARIZE, this JS may be executed later, after document.currentScript
// is gone, so we saved it, and we use it here instead of any other info.
if (_scriptName) {
scriptDirectory = _scriptName;
}
// blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
// otherwise, slice off the final part of the url to find the script directory.
// if scriptDirectory does not contain a slash, lastIndexOf will return -1,
// and scriptDirectory will correctly be replaced with an empty string.
// If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
// they are removed because they could contain a slash.
if (scriptDirectory.startsWith('blob:')) {
scriptDirectory = '';
} else {
scriptDirectory = scriptDirectory.slice(0, scriptDirectory.replace(/[?#].*/, '').lastIndexOf('/')+1);
}
if (!(typeof window == 'object' || typeof WorkerGlobalScope != 'undefined')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
// 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) => {
assert(!isFileURI(url), "readAsync does not work with file:// URLs");
var response = await fetch(url, { credentials: 'same-origin' });
if (response.ok) {
return response.arrayBuffer();
}
throw new Error(response.status + ' : ' + response.url);
};
// end include: web_or_worker_shell_read.js
}
} else
{
throw new Error('environment detection error');
}
// 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;
var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js';
var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js';
var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js';
var FETCHFS = 'FETCHFS is no longer included by default; build with -lfetchfs.js';
var ICASEFS = 'ICASEFS is no longer included by default; build with -licasefs.js';
var JSFILEFS = 'JSFILEFS is no longer included by default; build with -ljsfilefs.js';
var OPFS = 'OPFS is no longer included by default; build with -lopfs.js';
// 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_WEB, 'web environment detected but not enabled at build time. Add `web` to `-sENVIRONMENT` to enable.');
assert(!ENVIRONMENT_IS_SHELL, 'shell environment detected but not enabled at build time. Add `shell` to `-sENVIRONMENT` to enable.');
// end include: shell.js
// include: preamble.js
// === Preamble library stuff ===
// Documentation for the public APIs defined in this file must be updated in:
// site/source/docs/api_reference/preamble.js.rst
// A prebuilt local version of the documentation is available at:
// site/build/text/docs/api_reference/preamble.js.txt
// You can also build docs locally as HTML or other formats in site/
// An online HTML version (which may be of a different version of Emscripten)
// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
var wasmBinary;
if (typeof WebAssembly != 'object') {
err('no native wasm support detected');
}
// Wasm globals
var wasmMemory;
// For sending to workers.
var wasmModule;
//========================================
// Runtime essentials
//========================================
// whether we are quitting the application. no code should run after this.
// set in exit() and abort()
var ABORT = false;
// set by exit() and abort(). Passed to 'onExit' handler.
// NOTE: This is also used as the process return code code in shell environments
// but only when noExitRuntime is false.
var EXITSTATUS;
// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we
// don't define it at all in release modes. This matches the behaviour of
// MINIMAL_RUNTIME.
// TODO(sbc): Make this the default even without STRICT enabled.
/** @type {function(*, string=)} */
function assert(condition, text) {
if (!condition) {
abort('Assertion failed' + (text ? ': ' + text : ''));
}
}
// We used to include malloc/free by default in the past. Show a helpful error in
// builds with assertions.
// Memory management
var HEAP,
/** @type {!Int8Array} */
HEAP8,
/** @type {!Uint8Array} */
HEAPU8,
/** @type {!Int16Array} */
HEAP16,
/** @type {!Uint16Array} */
HEAPU16,
/** @type {!Int32Array} */
HEAP32,
/** @type {!Uint32Array} */
HEAPU32,
/** @type {!Float32Array} */
HEAPF32,
/* BigInt64Array type is not correctly defined in closure
/** not-@type {!BigInt64Array} */
HEAP64,
/* BigUint64Array type is not correctly defined in closure
/** not-t@type {!BigUint64Array} */
HEAPU64,
/** @type {!Float64Array} */
HEAPF64;
var runtimeInitialized = false;
/**
* Indicates whether filename is delivered via file protocol (as opposed to http/https)
* @noinline
*/
var isFileURI = (filename) => filename.startsWith('file://');
// include: runtime_shared.js
// include: runtime_stack_check.js
// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
function writeStackCookie() {
var max = _emscripten_stack_get_end();
assert((max & 3) == 0);
// If the stack ends at address zero we write our cookies 4 bytes into the
// stack. This prevents interference with SAFE_HEAP and ASAN which also
// monitor writes to address zero.
if (max == 0) {
max += 4;
}
// The stack grow downwards towards _emscripten_stack_get_end.
// We write cookies to the final two words in the stack and detect if they are
// ever overwritten.
HEAPU32[((max)>>2)] = 0x02135467;
HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE;
// Also test the global address 0 for integrity.
HEAPU32[((0)>>2)] = 1668509029;
}
function checkStackCookie() {
if (ABORT) return;
var max = _emscripten_stack_get_end();
// See writeStackCookie().
if (max == 0) {
max += 4;
}
var cookie1 = HEAPU32[((max)>>2)];
var cookie2 = HEAPU32[(((max)+(4))>>2)];
if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) {
abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
}
// Also test the global address 0 for integrity.
if (HEAPU32[((0)>>2)] != 0x63736d65 /* 'emsc' */) {
abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
}
}
// end include: runtime_stack_check.js
// include: runtime_exceptions.js
// end include: runtime_exceptions.js
// include: runtime_debug.js
// Endianness check
(() => {
var h16 = new Int16Array(1);
var h8 = new Int8Array(h16.buffer);
h16[0] = 0x6373;
if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)';
})();
function consumedModuleProp(prop) {
if (!Object.getOwnPropertyDescriptor(Module, prop)) {
Object.defineProperty(Module, prop, {
configurable: true,
set() {
abort(`Attempt to set \`Module.${prop}\` after it has already been processed. This can happen, for example, when code is injected via '--post-js' rather than '--pre-js'`);
}
});
}
}
function ignoredModuleProp(prop) {
if (Object.getOwnPropertyDescriptor(Module, prop)) {
abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`);
}
}
// forcing the filesystem exports a few things by default
function isExportedByForceFilesystem(name) {
return name === 'FS_createPath' ||
name === 'FS_createDataFile' ||
name === 'FS_createPreloadedFile' ||
name === 'FS_unlink' ||
name === 'addRunDependency' ||
// The old FS has some functionality that WasmFS lacks.
name === 'FS_createLazyFile' ||
name === 'FS_createDevice' ||
name === 'removeRunDependency';
}
/**
* Intercept access to a global symbol. This enables us to give informative
* warnings/errors when folks attempt to use symbols they did not include in
* their build, or no symbols that no longer exist.
*/
function hookGlobalSymbolAccess(sym, func) {
if (typeof globalThis != 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
Object.defineProperty(globalThis, sym, {
configurable: true,
get() {
func();
return undefined;
}
});
}
}
function missingGlobal(sym, msg) {
hookGlobalSymbolAccess(sym, () => {
warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`);
});
}
missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer');
missingGlobal('asm', 'Please use wasmExports instead');
function missingLibrarySymbol(sym) {
hookGlobalSymbolAccess(sym, () => {
// Can't `abort()` here because it would break code that does runtime
// checks. e.g. `if (typeof SDL === 'undefined')`.
var msg = `\`${sym}\` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line`;
// DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in
// library.js, which means $name for a JS name with no prefix, or name
// for a JS name like _name.
var librarySymbol = sym;
if (!librarySymbol.startsWith('_')) {
librarySymbol = '$' + sym;
}
msg += ` (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='${librarySymbol}')`;
if (isExportedByForceFilesystem(sym)) {
msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
}
warnOnce(msg);
});
// Any symbol that is not included from the JS library is also (by definition)
// not exported on the Module object.
unexportedRuntimeSymbol(sym);
}
function unexportedRuntimeSymbol(sym) {
if (ENVIRONMENT_IS_PTHREAD) {
return;
}
if (!Object.getOwnPropertyDescriptor(Module, sym)) {
Object.defineProperty(Module, sym, {
configurable: true,
get() {
var msg = `'${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);
}
});
}
}
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');
var stringify = (a) => typeof a == 'object' ? utils.inspect(a) : a;
fs.writeSync(1, 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);
}
// end include: runtime_debug.js
// include: memoryprofiler.js
// end include: memoryprofiler.js
// 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;
if (ENVIRONMENT_IS_PTHREAD) {
var wasmModuleReceived;
// Node.js support
if (ENVIRONMENT_IS_NODE) {
// Create as web-worker-like an environment as we can.
var parentPort = worker_threads['parentPort'];
parentPort.on('message', (msg) => onmessage({ data: msg }));
Object.assign(globalThis, {
self: global,
postMessage: (msg) => parentPort.postMessage(msg),
});
}
// 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; };
async 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.
self.startWorker = (instance) => {
// 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: args });
}
// Rebind the out / err handlers if needed
if (handler == 'print') out = Module[handler];
if (handler == 'printErr') err = Module[handler];
}
}
wasmMemory = msgData.wasmMemory;
updateMemoryViews();
wasmModuleReceived(msgData.wasmModule);
} 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 {
await 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') {
// no-op
} 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
function updateMemoryViews() {
var b = wasmMemory.buffer;
HEAP8 = new Int8Array(b);
HEAP16 = new Int16Array(b);
HEAPU8 = new Uint8Array(b);
HEAPU16 = new Uint16Array(b);
HEAP32 = new Int32Array(b);
HEAPU32 = new Uint32Array(b);
HEAPF32 = new Float32Array(b);
HEAPF64 = new Float64Array(b);
HEAP64 = new BigInt64Array(b);
HEAPU64 = new BigUint64Array(b);
}
// end include: runtime_shared.js
assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined,
'JS engine does not provide full typed array support');
// 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'] || 16777216
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
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);
// End ATPRERUNS hooks
}
function initRuntime() {
assert(!runtimeInitialized);
runtimeInitialized = true;
if (ENVIRONMENT_IS_PTHREAD) return startWorker(Module);
checkStackCookie();
// Begin ATINITS hooks
if (!Module['noFSInit'] && !FS.initialized) FS.init();
TTY.init();
// End ATINITS hooks
wasmExports['__wasm_call_ctors']();
// Begin ATPOSTCTORS hooks
FS.ignorePermissions = false;
// End ATPOSTCTORS hooks
}
function preMain() {
checkStackCookie();
// No ATMAINS hooks
}
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);
// End ATPOSTRUNS hooks
}
// A counter of dependencies for calling run(). If we need to
// do asynchronous work before running, increment this and
// decrement it. Incrementing must happen in a place like
// Module.preRun (used by emcc to add file preloading).
// Note that you can add dependencies in preRun, even though
// it happens right before run - run will be postponed until
// the dependencies are met.
var runDependencies = 0;
var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
var runDependencyTracking = {};
var runDependencyWatcher = null;
function getUniqueRunDependency(id) {
var orig = id;
while (1) {
if (!runDependencyTracking[id]) return id;
id = orig + Math.random();
}
}
function addRunDependency(id) {
runDependencies++;
Module['monitorRunDependencies']?.(runDependencies);
if (id) {
assert(!runDependencyTracking[id]);
runDependencyTracking[id] = 1;
if (runDependencyWatcher === null && typeof setInterval != 'undefined') {
// Check for missing dependencies every few seconds
runDependencyWatcher = setInterval(() => {
if (ABORT) {
clearInterval(runDependencyWatcher);
runDependencyWatcher = null;
return;
}
var shown = false;
for (var dep in runDependencyTracking) {
if (!shown) {
shown = true;
err('still waiting on run dependencies:');
}
err(`dependency: ${dep}`);
}
if (shown) {
err('(end of list)');
}
}, 10000);
}
} else {
err('warning: run dependency added without ID');
}
}
function removeRunDependency(id) {
runDependencies--;
Module['monitorRunDependencies']?.(runDependencies);
if (id) {
assert(runDependencyTracking[id]);
delete runDependencyTracking[id];
} else {
err('warning: run dependency removed without ID');
}
if (runDependencies == 0) {
if (runDependencyWatcher !== null) {
clearInterval(runDependencyWatcher);
runDependencyWatcher = null;
}
if (dependenciesFulfilled) {
var callback = dependenciesFulfilled;
dependenciesFulfilled = null;
callback(); // can add another dependenciesFulfilled
}
}
}
/** @param {string|number=} what */
function abort(what) {
Module['onAbort']?.(what);
what = 'Aborted(' + what + ')';
// TODO(sbc): Should we remove printing and leave it up to whoever
// catches the exception?
err(what);
ABORT = true;
// 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() {
if (Module['locateFile']) {
return locateFile('libxslt.wasm');
}
// Use bundler-friendly `new URL(..., import.meta.url)` pattern; works in browsers too.
return new URL('libxslt.wasm', import.meta.url).href;
}
function getBinarySync(file) {
if (file == wasmBinaryFile && wasmBinary) {
return new Uint8Array(wasmBinary);
}
if (readBinary) {
return readBinary(file);
}
throw 'both async and sync fetching of the wasm failed';
}
async function getWasmBinary(binaryFile) {
// If we don't have the binary yet, load it asynchronously using readAsync.
if (!wasmBinary) {
// Fetch the binary using readAsync
try {
var response = await readAsync(binaryFile);
return new Uint8Array(response);
} catch {
// Fall back to getBinarySync below;
}
}
// Otherwise, getBinarySync should be able to get it synchronously
return getBinarySync(binaryFile);
}
async function instantiateArrayBuffer(binaryFile, imports) {
try {
var binary = await getWasmBinary(binaryFile);
var instance = await WebAssembly.instantiate(binary, imports);
return instance;
} catch (reason) {
err(`failed to asynchronously prepare wasm: ${reason}`);
// Warn on some common problems.
if (isFileURI(wasmBinaryFile)) {
err(`warning: Loading from a file URI (${wasmBinaryFile}) is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing`);
}
abort(reason);
}
}
async function instantiateAsync(binary, binaryFile, imports) {
if (!binary && typeof WebAssembly.instantiateStreaming == 'function'
// Avoid instantiateStreaming() on Node.js environment for now, as while
// Node.js v18.1.0 implements it, it does not have a full fetch()
// implementation yet.
//
// Reference:
// https://github.com/emscripten-core/emscripten/pull/16917
&& !ENVIRONMENT_IS_NODE
) {
try {
var response = fetch(binaryFile, { credentials: 'same-origin' });
var instantiationResult = await WebAssembly.instantiateStreaming(response, imports);
return instantiationResult;
} catch (reason) {
// We expect the most common failure cause to be a bad MIME type for the binary,
// in which case falling back to ArrayBuffer instantiation should work.
err(`wasm streaming compile failed: ${reason}`);
err('falling back to ArrayBuffer instantiation');
// fall back of instantiateArrayBuffer below
};
}
return instantiateArrayBuffer(binaryFile, imports);
}
function getWasmImports() {
assignWasmImports();
// instrumenting imports is used in asyncify in two ways: to add assertions
// that check for proper import use, and for ASYNCIFY=2 we use them to set up
// the Promise API on the import side.
// In pthreads builds getWasmImports is called more than once but we only
// and the instrument the imports once.
if (!wasmImports.__instrumented) {
wasmImports.__instrumented = true;
Asyncify.instrumentWasmImports(wasmImports);
}
// prepare imports
return {
'env': wasmImports,
'wasi_snapshot_preview1': wasmImports,
}
}
// Create the wasm instance.
// Receives the wasm imports, returns the exports.
async function createWasm() {
// Load the wasm module and create an instance of using native support in the JS engine.
// handle a generated wasm instance, receiving its exports and
// performing other necessary setup
/** @param {WebAssembly.Module=} module*/
function receiveInstance(instance, module) {
wasmExports = instance.exports;
wasmExports = Asyncify.instrumentWasmExports(wasmExports);
registerTLSInit(wasmExports['_emscripten_tls_init']);
wasmTable = wasmExports['__indirect_function_table'];
assert(wasmTable, 'table not found in wasm exports');
// We now have the Wasm module loaded up, keep a reference to the compiled module so we can post it to the workers.
wasmModule = module;
removeRunDependency('wasm-instantiate');
return wasmExports;
}
// wait for the pthread pool (if any)
addRunDependency('wasm-instantiate');
// Prefer streaming instantiation if available.
// Async compilation can be confusing when an error on the page overwrites Module
// (for example, if the order of elements is wrong, and the one defining Module is
// later), so we save Module and check it later.
var trueModule = Module;
function receiveInstantiationResult(result) {
// 'result' is a ResultObject object which has both the module and instance.
// receiveInstance() will swap in the exports (to Module.asm) so they can be called
assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?');
trueModule = null;
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, (mod, inst) => {
resolve(receiveInstance(mod, inst));
});
} catch(e) {
err(`Module.instantiateWasm callback failed with error: ${e}`);
reject(e);
}
});
}
if (ENVIRONMENT_IS_PTHREAD) {
return new Promise((resolve) => {
wasmModuleReceived = (module) => {
// Instantiate from the module posted from the main thread.
// We can just use sync instantiation in the worker.
var instance = new WebAssembly.Instance(module, getWasmImports());
resolve(receiveInstance(instance, module));
};
});
}
wasmBinaryFile ??= findWasmBinary();
try {
var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info);
var exports = receiveInstantiationResult(result);
return exports;
} catch (e) {
// If instantiation fails, reject the module ready promise.
readyPromiseReject(e);
return Promise.reject(e);
}
}
// end include: preamble.js
// Begin JS library code
class ExitStatus {
name = 'ExitStatus';
constructor(status) {
this.message = `Program terminated with exit(${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 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 * 2;
var sp = stackSave();
var args = stackAlloc(serializedNumCallArgs * 8);
var b = ((args)>>3);
for (var i = 0; i < callArgs.length; i++) {
var arg = callArgs[i];
if (typeof arg == 'bigint') {
// The prefix is non-zero to indicate a bigint.
HEAP64[b + 2*i] = 1n;
HEAP64[b + 2*i + 1] = arg;
} else {
// The prefix is zero to indicate a JS Number.
HEAP64[b + 2*i] = 0n;
HEAPF64[b + 2*i + 1] = arg;
}
}
var rtn = __emscripten_run_on_main_thread_js(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);
}
/** @suppress {duplicate } */
/** @param {boolean|number=} implicit */
var exitJS = (status, implicit) => {
EXITSTATUS = status;
checkUnflushedContent();
if (ENVIRONMENT_IS_PTHREAD) {
// implicit exit can never happen on a pthread
assert(!implicit);
// When running in a pthread we propagate the exit back to the main thread
// where it can decide if the whole process should be shut down or not.
// The pthread may have decided not to exit its own runtime, for example
// because it runs a main loop, but that doesn't affect the main thread.
exitOnMainThread(status);
throw 'unwind';
}
// if exit() was called explicitly, warn the user if the runtime isn't actually being shut down
if (keepRuntimeAlive() && !implicit) {
var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`;
readyPromiseReject(msg);
err(msg);
}
_proc_exit(status);
};
var _exit = exitJS;
var ptrToString = (ptr) => {
assert(typeof ptr === 'number');
// With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
ptr >>>= 0;
return '0x' + ptr.toString(16).padStart(8, '0');
};
var PThread = {
unusedWorkers:[],
runningWorkers:[],
tlsInitFunctions:[],
pthreads:{
},
nextWorkerID:1,
debugInit() {
function pthreadLogPrefix() {
var t = 0;
if (runtimeInitialized && typeof _pthread_self != 'undefined'
) {
t = _pthread_self();
}
return `w:${workerID},t:${ptrToString(t)}: `;
}
// Prefix all err()/dbg() messages with the calling thread ID.
var origDbg = dbg;
dbg = (...args) => origDbg(pthreadLogPrefix() + args.join(' '));
},
init() {
PThread.debugInit();
if ((!(ENVIRONMENT_IS_PTHREAD))) {
PThread.initMainThread();
}
},
initMainThread() {
// MINIMAL_RUNTIME takes care of calling loadWasmModuleToAllWorkers
// in postamble_minimal.js
addOnPreRun(() => {
addRunDependency('loading-workers')
PThread.loadWasmModuleToAllWorkers(() => 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(d.thread);
} else if (cmd === 'loaded') {
worker.loaded = true;
onFinishedLoading(worker);
} else if (d.target === 'setimmediate') {
// Worker wants to postMessage() to itself to implement setImmediate()
// emulation.
worker.postMessage(d);
} else if (cmd === 'callHandler') {
Module[d.handler](...d.args);
} else if (cmd) {
// The received message looks like something that should be handled by this message
// handler, (since there is a e.data.cmd field present), but is not one of the
// recognized commands:
err(`worker sent an unknown command ${cmd}`);
}
};
worker.onerror = (e) => {
var message = 'worker sent an error!';
if (worker.pthread_ptr) {
message = `Pthread ${ptrToString(worker.pthread_ptr)} sent an error!`;
}
err(`${message} ${e.filename}:${e.lineno}: ${e.message}`);
throw e;
};
if (ENVIRONMENT_IS_NODE) {
worker.on('message', (data) => worker.onmessage({ data: data }));
worker.on('error', (e) => worker.onerror(e));
}
assert(wasmMemory instanceof WebAssembly.Memory, 'WebAssembly memory should have been loaded by now!');
assert(wasmModule instanceof WebAssembly.Module, 'WebAssembly Module should have been loaded by now!');
// When running on a pthread, none of the incoming parameters on the module
// object are present. Proxy known handlers back to the main thread if specified.
var handlers = [];
var knownHandlers = [
'onExit',
'onAbort',
'print',
'printErr',
];
for (var handler of knownHandlers) {
if (Module.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: handlers,
wasmMemory,
wasmModule,
'workerID': worker.workerID,
});
}),
loadWasmModuleToAllWorkers(onMaybeReady) {
onMaybeReady();
},
allocateUnusedWorker() {
var worker;
// If we're using module output, use bundler-friendly pattern.
if (Module['mainScriptUrlOrBlob']) {
var pthreadMainJs = Module['mainScriptUrlOrBlob'];
if (typeof pthreadMainJs != 'string') {
pthreadMainJs = URL.createObjectURL(pthreadMainJs);
}
worker = new Worker(pthreadMainJs, {
'type': 'module',
// 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
// We need to generate the URL with import.meta.url as the base URL of the JS file
// instead of just using new URL(import.meta.url) because bundler's only recognize
// the first case in their bundling step. The latter ends up producing an invalid
// URL to import from the server (e.g., for webpack the file:// path).
// See https://github.com/webpack/webpack/issues/12638
worker = new Worker(new URL('libxslt.js', import.meta.url), {
'type': 'module',
// 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);
var 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();
};
/**
* @param {number} ptr
* @param {string} type
*/
function getValue(ptr, type = 'i8') {
if (type.endsWith('*')) type = '*';
switch (type) {
case 'i1': return HEAP8[ptr];
case 'i8': return HEAP8[ptr];
case 'i16': return HEAP16[((ptr)>>1)];
case 'i32': return HEAP32[((ptr)>>2)];
case 'i64': return HEAP64[((ptr)>>3)];
case 'float': return HEAPF32[((ptr)>>2)];
case 'double': return HEAPF64[((ptr)>>3)];
case '*': return HEAPU32[((ptr)>>2)];
default: abort(`invalid type for getValue: ${type}`);
}
}
var wasmTableMirror = [];
/** @type {WebAssembly.Table} */
var wasmTable;
var getWasmTableEntry = (funcPtr) => {
var func = wasmTableMirror[funcPtr];
if (!func) {
/** @suppress {checkTypes} */
wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
if (Asyncify.isAsyncExport(func)) {
wasmTableMirror[funcPtr] = func = Asyncify.makeAsyncFunction(func);
}
}
return func;
};
var invokeEntryPoint = async (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 = WebAssembly.promising(getWasmTableEntry(ptr))(arg);
checkStackCookie();
function finish(result) {
if (keepRuntimeAlive()) {
EXITSTATUS = result;
} else {
__emscripten_thread_exit(result);
}
}
result = await result;
finish(result);
};
invokeEntryPoint.isAsync = true;
var noExitRuntime = true;
var registerTLSInit = (tlsInitFunc) => PThread.tlsInitFunctions.push(tlsInitFunc);
/**
* @param {number} ptr
* @param {number} value
* @param {string} type
*/
function setValue(ptr, value, type = 'i8') {
if (type.endsWith('*')) type = '*';
switch (type) {
case 'i1': HEAP8[ptr] = value; break;
case 'i8': HEAP8[ptr] = value; break;
case 'i16': HEAP16[((ptr)>>1)] = value; break;
case 'i32': HEAP32[((ptr)>>2)] = value; break;
case 'i64': HEAP64[((ptr)>>3)] = BigInt(value); break;
case 'float': HEAPF32[((ptr)>>2)] = value; break;
case 'double': HEAPF64[((ptr)>>3)] = value; break;
case '*': HEAPU32[((ptr)>>2)] = value; break;
default: abort(`invalid type for setValue: ${type}`);
}
}
var warnOnce = (text) => {
warnOnce.shown ||= {};
if (!warnOnce.shown[text]) {
warnOnce.shown[text] = 1;
if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
err(text);
}
};
var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder() : undefined;
/**
* Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
* array that contains uint8 values, returns a copy of that string as a
* Javascript String object.
* heapOrArray is either a regular array, or a JavaScript typed array view.
* @param {number=} idx
* @param {number=} maxBytesToRead
* @return {string}
*/
var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead = NaN) => {
var endIdx = idx + maxBytesToRead;
var endPtr = idx;
// TextDecoder needs to know the byte length in advance, it doesn't stop on
// null terminator by itself. Also, use the length info to avoid running tiny
// strings through TextDecoder, since .subarray() allocates garbage.
// (As a tiny code save trick, compare endPtr against endIdx using a negation,
// so that undefined/NaN means Infinity)
while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
return UTF8Decoder.decode(heapOrArray.buffer instanceof ArrayBuffer ? heapOrArray.subarray(idx, endPtr) : heapOrArray.slice(idx, endPtr));
}
var str = '';
// If building with TextDecoder, we have already computed the string length
// above, so test loop end condition against that
while (idx < endPtr) {
// For UTF8 byte structure, see:
// http://en.wikipedia.org/wiki/UTF-8#Description
// https://www.ietf.org/rfc/rfc2279.txt
// https://tools.ietf.org/html/rfc3629
var u0 = heapOrArray[idx++];
if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
var u1 = heapOrArray[idx++] & 63;
if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
var u2 = heapOrArray[idx++] & 63;
if ((u0 & 0xF0) == 0xE0) {
u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
} else {
if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte ' + ptrToString(u0) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!');
u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63);
}
if (u0 < 0x10000) {
str += String.fromCharCode(u0);
} else {
var ch = u0 - 0x10000;
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
}
}
return str;
};
/**
* Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
* emscripten HEAP, returns a copy of that string as a Javascript String object.
*
* @param {number} ptr
* @param {number=} maxBytesToRead - An optional length that specifies the
* maximum number of bytes to read. You can omit this parameter to scan the
* string until the first 0 byte. If maxBytesToRead is passed, and the string
* at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
* string will cut short at that byte index (i.e. maxBytesToRead will not
* produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing
* frequent uses of UTF8ToString() with and without maxBytesToRead may throw
* JS JIT optimizations off, so it is worth to consider consistently using one
* @return {string}
*/
var UTF8ToString = (ptr, maxBytesToRead) => {
assert(typeof ptr == 'number', `UTF8ToString expects a number (got ${typeof ptr})`);
return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
};
var ___assert_fail = (condition, filename, line, func) =>
abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']);
var PATH = {
isAbs: nodePath.isAbsolute,
normalize: nodePath.normalize,
dirname: nodePath.dirname,
basename: nodePath.basename,
join: nodePath.join,
join2: nodePath.join,
};
var initRandomFill = () => {
// 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);
};
/** @type{{resolve: function(...*)}} */
var PATH_FS = {
resolve:(...paths) => {
paths.unshift(FS.cwd());
return nodePath.posix.resolve(...paths);
},
relative:(from, to) => nodePath.posix.relative(from || FS.cwd(), to || FS.cwd()),
};
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 <= 0x7F) {
len++;
} else if (c <= 0x7FF) {
len += 2;
} else if (c >= 0xD800 && c <= 0xDFFF) {
len += 4; ++i;
} else {
len += 3;
}
}
return len;
};
var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
assert(typeof str === 'string', `stringToUTF8Array expects a string (got ${typeof str})`);
// Parameter maxBytesToWrite is not optional. Negative values, 0, null,
// undefined and false each don't write out any bytes.
if (!(maxBytesToWrite > 0))
return 0;
var startIdx = outIdx;
var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator.
for (var i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
// unit, not a Unicode code point of the character! So decode
// UTF16->UTF32->UTF8.
// See http://unicode.org/faq/utf_bom.html#utf16-3
// For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
// and https://www.ietf.org/rfc/rfc2279.txt
// and https://tools.ietf.org/html/rfc3629
var u = str.charCodeAt(i); // possibly a lead surrogate
if (u >= 0xD800 && u <= 0xDFFF) {
var u1 = str.charCodeAt(++i);
u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF);
}
if (u <= 0x7F) {
if (outIdx >= endIdx) break;
heap[outIdx++] = u;
} else if (u <= 0x7FF) {
if (outIdx + 1 >= endIdx) break;
heap[outIdx++] = 0xC0 | (u >> 6);
heap[outIdx++] = 0x80 | (u & 63);
} else if (u <= 0xFFFF) {
if (outIdx + 2 >= endIdx) break;
heap[outIdx++] = 0xE0 | (u >> 12);
heap[outIdx++] = 0x80 | ((u >> 6) & 63);
heap[outIdx++] = 0x80 | (u & 63);
} else {
if (outIdx + 3 >= endIdx) break;
if (u > 0x10FFFF) warnOnce('Invalid Unicode code point ' + ptrToString(u) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).');
heap[outIdx++] = 0xF0 | (u >> 18);
heap[outIdx++] = 0x80 | ((u >> 12) & 63);
heap[outIdx++] = 0x80 | ((u >> 6) & 63);
heap[outIdx++] = 0x80 | (u & 63);
}
}
// Null-terminate the pointer to the buffer.
heap[outIdx] = 0;
return outIdx - startIdx;
};
/** @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 (!result) {
return null;
}
FS_stdin_getChar_buffer = intArrayFromString(result, true);
}
return FS_stdin_getChar_buffer.shift();
};
var TTY = {
ttys:[],
init() {
// https://github.com/emscripten-core/emscripten/pull/1555
// if (ENVIRONMENT_IS_NODE) {
// // currently, FS.init does not distinguish if process.stdin is a file or TTY
// // device, it always assumes it's a TTY device. because of this, we're forcing
// // process.stdin to UTF8 encoding to at least make stdin reading compatible
// // with text files until FS.init can be refactored.
// process.stdin.setEncoding('utf8');
// }
},
shutdown() {
// https://github.com/emscripten-core/emscripten/pull/1555
// if (ENVIRONMENT_IS_NODE) {
// // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
// // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
// // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
// // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
// // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
// process.stdin.pause();
// }
},
register(dev, ops) {
TTY.ttys[dev] = { input: [], output: [], ops: ops };
FS.registerDevice(dev, TTY.stream_ops);
},
stream_ops:{
open(stream) {
var tty = TTY.ttys[stream.node.rdev];
if (!tty) {
throw new FS.ErrnoError(43);
}
stream.tty = tty;
stream.seekable = false;
},
close(stream) {
// flush any pending line data
stream.tty.ops.fsync(stream.tty);
},
fsync(stream) {
stream.tty.ops.fsync(stream.tty);
},
read(stream, buffer, offset, length, pos /* ignored */) {
if (!stream.tty || !stream.tty.ops.get_char) {
throw new FS.ErrnoError(60);
}
var bytesRead = 0;
for (var i = 0; i < length; i++) {
var result;
try {
result = stream.tty.ops.get_char(stream.tty);
} catch (e) {
throw new FS.ErrnoError(29);
}
if (result === undefined && bytesRead === 0) {
throw new FS.ErrnoError(6);
}
if (result === null || result === undefined) break;
bytesRead++;
buffer[offset+i] = result;
}
if (bytesRead) {
stream.node.atime = Date.now();
}
return bytesRead;
},
write(stream, buffer, offset, length, pos) {
if (!stream.tty || !stream.tty.ops.put_char) {
throw new FS.ErrnoError(60);
}
try {
for (var i = 0; i < length; i++) {
stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
}
} catch (e) {
throw new FS.ErrnoError(29);
}
if (length) {
stream.node.mtime = stream.node.ctime = Date.now();
}
return i;
},
},
default_tty_ops:{
get_char(tty) {
return FS_stdin_getChar();
},
put_char(tty, val) {
if (val === null || val === 10) {
out(UTF8ArrayToString(tty.output));
tty.output = [];
} else {
if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle.
}
},
fsync(tty) {
if (tty.output?.length > 0) {
out(UTF8ArrayToString(tty.output));
tty.output = [];
}
},
ioctl_tcgets(tty) {
// typical setting
return {
c_iflag: 25856,
c_oflag: 5,
c_cflag: 191,
c_lflag: 35387,
c_cc: [
0x03, 0x1c, 0x7f, 0x15, 0x04, 0x00, 0x01, 0x00, 0x11, 0x13, 0x1a, 0x00,
0x12, 0x0f, 0x17, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
};
},
ioctl_tcsets(tty, optional_actions, data) {
// currently just ignore
return 0;
},
ioctl_tiocgwinsz(tty) {
return [24, 80];
},
},
default_tty1_ops:{
put_char(tty, val) {
if (val === null || val === 10) {
err(UTF8ArrayToString(tty.output));
tty.output = [];
} else {
if (val != 0) tty.output.push(val);
}
},
fsync(tty) {
if (tty.output?.length > 0) {
err(UTF8ArrayToString(tty.output));
tty.output = [];
}
},
},
};
var mmapAlloc = (size) => {
abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported');
};
var MEMFS = {
ops_table:null,
mount(mount) {
return MEMFS.createNode(null, '/', 16895, 0);
},
createNode(parent, name, mode, dev) {
if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
// no supported
throw new FS.ErrnoError(63);
}
MEMFS.ops_table ||= {
dir: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
lookup: MEMFS.node_ops.lookup,
mknod: MEMFS.node_ops.mknod,
rename: MEMFS.node_ops.rename,
unlink: MEMFS.node_ops.unlink,
rmdir: MEMFS.node_ops.rmdir,
readdir: MEMFS.node_ops.readdir,
symlink: MEMFS.node_ops.symlink
},
stream: {
llseek: MEMFS.stream_ops.llseek
}
},
file: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: {
llseek: MEMFS.stream_ops.llseek,
read: MEMFS.stream_ops.read,
write: MEMFS.stream_ops.write,
mmap: MEMFS.stream_ops.mmap,
msync: MEMFS.stream_ops.msync
}
},
link: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
readlink: MEMFS.node_ops.readlink
},
stream: {}
},
chrdev: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: FS.chrdev_stream_ops
}
};
var node = FS.createNode(parent, name, mode, dev);
if (FS.isDir(node.mode)) {
node.node_ops = MEMFS.ops_table.dir.node;
node.stream_ops = MEMFS.ops_table.dir.stream;
node.contents = {};
} else if (FS.isFile(node.mode)) {
node.node_ops = MEMFS.ops_table.file.node;
node.stream_ops = MEMFS.ops_table.file.stream;
node.usedBytes = 0; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity.
// When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred
// for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size
// penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme.
node.contents = null;
} else if (FS.isLink(node.mode)) {
node.node_ops = MEMFS.ops_table.link.node;
node.stream_ops = MEMFS.ops_table.link.stream;
} else if (FS.isChrdev(node.mode)) {
node.node_ops = MEMFS.ops_table.chrdev.node;
node.stream_ops = MEMFS.ops_table.chrdev.stream;
}
node.atime = node.mtime = node.ctime = Date.now();
// add the new node to the parent
if (parent) {
parent.contents[name] = node;
parent.atime = parent.mtime = parent.ctime = node.atime;
}
return node;
},
getFileDataAsTypedArray(node) {
if (!node.contents) return new Uint8Array(0);
if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes.
return new Uint8Array(node.contents);
},
expandFileStorage(node, newCapacity) {
var prevCapacity = node.contents ? node.contents.length : 0;
if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough.
// Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
// For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
// avoid overshooting the allocation cap by a very large margin.
var CAPACITY_DOUBLING_MAX = 1024 * 1024;
newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0);
if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding.
var oldContents = node.contents;
node.contents = new Uint8Array(newCapacity); // Allocate new storage.
if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage.
},
resizeFileStorage(node, newSize) {
if (node.usedBytes == newSize) return;
if (newSize == 0) {
node.contents = null; // Fully decommit when requesting a resize to zero.
node.usedBytes = 0;
} else {
var oldContents = node.contents;
node.contents = new Uint8Array(newSize); // Allocate new storage.
if (oldContents) {
node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage.
}
node.usedBytes = newSize;
}
},
node_ops:{
getattr(node) {
var attr = {};
// device numbers reuse inode numbers.
attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
attr.ino = node.id;
attr.mode = node.mode;
attr.nlink = 1;
attr.uid = 0;
attr.gid = 0;
attr.rdev = node.rdev;
if (FS.isDir(node.mode)) {
attr.size = 4096;
} else if (FS.isFile(node.mode)) {
attr.size = node.usedBytes;
} else if (FS.isLink(node.mode)) {
attr.size = node.link.length;
} else {
attr.size = 0;
}
attr.atime = new Date(node.atime);
attr.mtime = new Date(node.mtime);
attr.ctime = new Date(node.ctime);
// NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
// but this is not required by the standard.
attr.blksize = 4096;
attr.blocks = Math.ceil(attr.size / attr.blksize);
return attr;
},
setattr(node, attr) {
for (const key of ["mode", "atime", "mtime", "ctime"]) {
if (attr[key] != null) {
node[key] = attr[key];
}
}
if (attr.size !== undefined) {
MEMFS.resizeFileStorage(node, attr.size);
}
},
lookup(parent, name) {
throw new FS.ErrnoError(44);
},
mknod(parent, name, mode, dev) {
return MEMFS.createNode(parent, name, mode, dev);
},
rename(old_node, new_dir, new_name) {
var new_node;
try {
new_node = FS.lookupNode(new_dir, new_name);
} catch (e) {}
if (new_node) {
if (FS.isDir(old_node.mode)) {
// if we're overwriting a directory at new_name, make sure it's empty.
for (var i in new_node.contents) {
throw new FS.ErrnoError(55);
}
}
FS.hashRemoveNode(new_node);
}
// do the internal rewiring
delete old_node.parent.contents[old_node.name];
new_dir.contents[new_name] = old_node;
old_node.name = new_name;
new_dir.ctime = new_dir.mtime = old_node.parent.ctime = old_node.parent.mtime = Date.now();
},
unlink(parent, name) {
delete parent.contents[name];
parent.ctime = parent.mtime = Date.now();
},
rmdir(parent, name) {
var node = FS.lookupNode(parent, name);
for (var i in node.contents) {
throw new FS.ErrnoError(55);
}
delete parent.contents[name];
parent.ctime = parent.mtime = Date.now();
},
readdir(node) {
return ['.', '..', ...Object.keys(node.contents)];
},
symlink(parent, newname, oldpath) {
var node = MEMFS.createNode(parent, newname, 0o777 | 40960, 0);
node.link = oldpath;
return node;
},
readlink(node) {
if (!FS.isLink(node.mode)) {
throw new FS.ErrnoError(28);
}
return node.link;
},
},
stream_ops:{
read(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= stream.node.usedBytes) return 0;
var size = Math.min(stream.node.usedBytes - position, length);
assert(size >= 0);
if (size > 8 && contents.subarray) { // non-trivial, and typed array
buffer.set(contents.subarray(position, position + size), offset);
} else {
for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
}
return size;
},
write(stream, buffer, offset, length, position, canOwn) {
// The data buffer should be a typed array view
assert(!(buffer instanceof ArrayBuffer));
if (!length) return 0;
var node = stream.node;
node.mtime = node.ctime = Date.now();
if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array?
if (canOwn) {
assert(position === 0, 'canOwn must imply no weird position inside the file');
node.contents = buffer.subarray(offset, offset + length);
node.usedBytes = length;
return length;
} else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
node.contents = buffer.slice(offset, offset + length);
node.usedBytes = length;
return length;
} else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file?
node.contents.set(buffer.subarray(offset, offset + length), position);
return length;
}
}
// Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
MEMFS.expandFileStorage(node, position+length);
if (node.contents.subarray && buffer.subarray) {
// Use typed array write which is available.
node.contents.set(buffer.subarray(offset, offset + length), position);
} else {
for (var i = 0; i < length; i++) {
node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not.
}
}
node.usedBytes = Math.max(node.usedBytes, position + length);
return length;
},
llseek(stream, offset, whence) {
var position = offset;
if (whence === 1) {
position += stream.position;
} else if (whence === 2) {
if (FS.isFile(stream.node.mode)) {
position += stream.node.usedBytes;
}
}
if (position < 0) {
throw new FS.ErrnoError(28);
}
return position;
},
mmap(stream, length, position, prot, flags) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
var ptr;
var allocated;
var contents = stream.node.contents;
// Only make a new copy when MAP_PRIVATE is specified.
if (!(flags & 2) && contents && contents.buffer === HEAP8.buffer) {
// We can't emulate MAP_SHARED when the file is not backed by the
// buffer we're mapping to (e.g. the HEAP buffer).
allocated = false;
ptr = contents.byteOffset;
} else {
allocated = true;
ptr = mmapAlloc(length);
if (!ptr) {
throw new FS.ErrnoError(48);
}
if (contents) {
// Try to avoid unnecessary slices.
if (position > 0 || position + length < contents.length) {
if (contents.subarray) {
contents = contents.subarray(position, position + length);
} else {
contents = Array.prototype.slice.call(contents, position, position + length);
}
}
HEAP8.set(contents, ptr);
}
}
return { ptr, allocated };
},
msync(stream, buffer, offset, length, mmapFlags) {
MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
// should we check if bytesWritten and length are the same?
return 0;
},
},
};
var asyncLoad = async (url) => {
var arrayBuffer = await readAsync(url);
assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
return new Uint8Array(arrayBuffer);
};
asyncLoad.isAsync = true;
var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn);
};
var preloadPlugins = [];
var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
// Ensure plugins are ready.
if (typeof Browser != 'undefined') Browser.init();
var handled = false;
preloadPlugins.forEach((plugin) => {
if (handled) return;
if (plugin['canHandle'](fullname)) {
plugin['handle'](byteArray, fullname, finish, onerror);
handled = true;
}
});
return handled;
};
var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
// TODO we should allow people to just pass in a complete filename instead
// of parent and name being that we just join them anyways
var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
var dep = getUniqueRunDependency(`cp ${fullname}`); // might have several active requests for the same fullname
function processData(byteArray) {
function finish(byteArray) {
preFinish?.();
if (!dontCreateFile) {
FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
}
onload?.();
removeRunDependency(dep);
}
if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
onerror?.();
removeRunDependency(dep);
})) {
return;
}
finish(byteArray);
}
addRunDependency(dep);
if (typeof url == 'string') {
asyncLoad(url).then(processData, onerror);
} else {
processData(url);
}
};
var FS_modeStringToFlags = (str) => {
var flagModes = {
'r': 0,
'r+': 2,
'w': 512 | 64 | 1,
'w+': 512 | 64 | 2,
'a': 1024 | 64 | 1,
'a+': 1024 | 64 | 2,
};
var flags = flagModes[str];
if (typeof flags == 'undefined') {
throw new Error(`Unknown file open mode: ${str}`);
}
return flags;
};
var FS_getMode = (canRead, canWrite) => {
var mode = 0;
if (canRead) mode |= 292 | 73;
if (canWrite) mode |= 146;
return mode;
};
var 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 NODEFS = {
isWindows:false,
staticInit() {
NODEFS.isWindows = !!process.platform.match(/^win/);
var flags = process.binding("constants")["fs"];
NODEFS.flagsForNodeMap = {
"1024": flags["O_APPEND"],
"64": flags["O_CREAT"],
"128": flags["O_EXCL"],
"256": flags["O_NOCTTY"],
"0": flags["O_RDONLY"],
"2": flags["O_RDWR"],
"4096": flags["O_SYNC"],
"512": flags["O_TRUNC"],
"1": flags["O_WRONLY"],
"131072": flags["O_NOFOLLOW"],
};
// The 0 define must match on both sides, as otherwise we would not
// know to add it.
assert(NODEFS.flagsForNodeMap["0"] === 0);
},
convertNodeCode(e) {
var code = e.code;
assert(code in ERRNO_CODES, `unexpected node error code: ${code} (${e})`);
return ERRNO_CODES[code];
},
tryFSOperation(f) {
try {
return f();
} catch (e) {
if (!e.code) throw e;
// node under windows can return code 'UNKNOWN' here:
// https://github.com/emscripten-core/emscripten/issues/15468
if (e.code === 'UNKNOWN') throw new FS.ErrnoError(28);
throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
}
},
mount(mount) {
assert(ENVIRONMENT_IS_NODE);
return NODEFS.createNode(null, '/', NODEFS.getMode(mount.opts.root), 0);
},
createNode(parent, name, mode, dev) {
if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) {
throw new FS.ErrnoError(28);
}
var node = FS.createNode(parent, name, mode);
node.node_ops = NODEFS.node_ops;
node.stream_ops = NODEFS.stream_ops;
return node;
},
getMode(path) {
return NODEFS.tryFSOperation(() => {
var mode = fs.lstatSync(path).mode;
if (NODEFS.isWindows) {
// Windows does not report the 'x' permission bit, so propagate read
// bits to execute bits.
mode |= (mode & 292) >> 2;
}
return mode;
});
},
realPath(node) {
var parts = [];
while (node.parent !== node) {
parts.push(node.name);
node = node.parent;
}
parts.push(node.mount.opts.root);
parts.reverse();
return PATH.join(...parts);
},
flagsForNode(flags) {
flags &= ~2097152; // Ignore this flag from musl, otherwise node.js fails to open the file.
flags &= ~2048; // Ignore this flag from musl, otherwise node.js fails to open the file.
flags &= ~32768; // Ignore this flag from musl, otherwise node.js fails to open the file.
flags &= ~524288; // Some applications may pass it; it makes no sense for a single process.
flags &= ~65536; // Node.js doesn't need this passed in, it errors.
var newFlags = 0;
for (var k in NODEFS.flagsForNodeMap) {
if (flags & k) {
newFlags |= NODEFS.flagsForNodeMap[k];
flags ^= k;
}
}
if (flags) {
throw new FS.ErrnoError(28);
}
return newFlags;
},
getattr(func, node) {
var stat = NODEFS.tryFSOperation(func);
if (NODEFS.isWindows) {
// node.js v0.10.20 doesn't report blksize and blocks on Windows. Fake
// them with default blksize of 4096.
// See http://support.microsoft.com/kb/140365
if (!stat.blksize) {
stat.blksize = 4096;
}
if (!stat.blocks) {
stat.blocks = (stat.size+stat.blksize-1)/stat.blksize|0;
}
// Windows does not report the 'x' permission bit, so propagate read
// bits to execute bits.
stat.mode |= (stat.mode & 292) >> 2;
}
return {
dev: stat.dev,
ino: node.id,
mode: stat.mode,
nlink: stat.nlink,
uid: stat.uid,
gid: stat.gid,
rdev: stat.rdev,
size: stat.size,
atime: stat.atime,
mtime: stat.mtime,
ctime: stat.ctime,
blksize: stat.blksize,
blocks: stat.blocks
};
},
setattr(arg, node, attr, chmod, utimes, truncate, stat) {
NODEFS.tryFSOperation(() => {
if (attr.mode !== undefined) {
var mode = attr.mode;
if (NODEFS.isWindows) {
// Windows only supports S_IREAD / S_IWRITE (S_IRUSR / S_IWUSR)
// https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/chmod-wchmod
mode &= 384;
}
chmod(arg, mode);
// update the common node structure mode as well
node.mode = attr.mode;
}
if (typeof (attr.atime ?? attr.mtime) === "number") {
// Unfortunately, we have to stat the current value if we don't want
// to change it. On top of that, since the times don't round trip
// this will only keep the value nearly unchanged not exactly
// unchanged. See:
// https://github.com/nodejs/node/issues/56492
var atime = new Date(attr.atime ?? stat(arg).atime);
var mtime = new Date(attr.mtime ?? stat(arg).mtime);
utimes(arg, atime, mtime);
}
if (attr.size !== undefined) {
truncate(arg, attr.size);
}
});
},
node_ops:{
getattr(node) {
var path = NODEFS.realPath(node);
return NODEFS.getattr(() => fs.lstatSync(path), node);
},
setattr(node, attr) {
var path = NODEFS.realPath(node);
if (attr.mode != null && attr.dontFollow) {
throw new FS.ErrnoError(52);
}
NODEFS.setattr(path, node, attr, fs.chmodSync, fs.utimesSync, fs.truncateSync, fs.lstatSync);
},
lookup(parent, name) {
var path = PATH.join2(NODEFS.realPath(parent), name);
var mode = NODEFS.getMode(path);
return NODEFS.createNode(parent, name, mode);
},
mknod(parent, name, mode, dev) {
var node = NODEFS.createNode(parent, name, mode, dev);
// create the backing node for this in the fs root as well
var path = NODEFS.realPath(node);
NODEFS.tryFSOperation(() => {
if (FS.isDir(node.mode)) {
fs.mkdirSync(path, node.mode);
} else {
fs.writeFileSync(path, '', { mode: node.mode });
}
});
return node;
},
rename(oldNode, newDir, newName) {
var oldPath = NODEFS.realPath(oldNode);
var newPath = PATH.join2(NODEFS.realPath(newDir), newName);
try {
FS.unlink(newPath);
} catch(e) {}
NODEFS.tryFSOperation(() => fs.renameSync(oldPath, newPath));
oldNode.name = newName;
},
unlink(parent, name) {
var path = PATH.join2(NODEFS.realPath(parent), name);
NODEFS.tryFSOperation(() => fs.unlinkSync(path));
},
rmdir(parent, name) {
var path = PATH.join2(NODEFS.realPath(parent), name);
NODEFS.tryFSOperation(() => fs.rmdirSync(path));
},
readdir(node) {
var path = NODEFS.realPath(node);
return NODEFS.tryFSOperation(() => fs.readdirSync(path));
},
symlink(parent, newName, oldPath) {
var newPath = PATH.join2(NODEFS.realPath(parent), newName);
NODEFS.tryFSOperation(() => fs.symlinkSync(oldPath, newPath));
},
readlink(node) {
var path = NODEFS.realPath(node);
return NODEFS.tryFSOperation(() => fs.readlinkSync(path));
},
statfs(path) {
var stats = NODEFS.tryFSOperation(() => fs.statfsSync(path));
// Node.js doesn't provide frsize (fragment size). Set it to bsize (block size)
// as they're often the same in many file systems. May not be accurate for all.
stats.frsize = stats.bsize;
return stats;
},
},
stream_ops:{
getattr(stream) {
return NODEFS.getattr(() => fs.fstatSync(stream.nfd), stream.node);
},
setattr(stream, attr) {
NODEFS.setattr(stream.nfd, stream.node, attr, fs.fchmodSync, fs.futimesSync, fs.ftruncateSync, fs.fstatSync);
},
open(stream) {
var path = NODEFS.realPath(stream.node);
NODEFS.tryFSOperation(() => {
stream.shared.refcount = 1;
stream.nfd = fs.openSync(path, NODEFS.flagsForNode(stream.flags));
});
},
close(stream) {
NODEFS.tryFSOperation(() => {
if (stream.nfd && --stream.shared.refcount === 0) {
fs.closeSync(stream.nfd);
}
});
},
dup(stream) {
stream.shared.refcount++;
},
read(stream, buffer, offset, length, position) {
return NODEFS.tryFSOperation(() =>
fs.readSync(stream.nfd, new Int8Array(buffer.buffer, offset, length), 0, length, position)
);
},
write(stream, buffer, offset, length, position) {
return NODEFS.tryFSOperation(() =>
fs.writeSync(stream.nfd, new Int8Array(buffer.buffer, offset, length), 0, length, position)
);
},
llseek(stream, offset, whence) {
var position = offset;
if (whence === 1) {
position += stream.position;
} else if (whence === 2) {
if (FS.isFile(stream.node.mode)) {
NODEFS.tryFSOperation(() => {
var stat = fs.fstatSync(stream.nfd);
position += stat.size;
});
}
}
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 = mmapAlloc(length);
NODEFS.stream_ops.read(stream, HEAP8, ptr, length, position);
return { ptr, allocated: true };
},
msync(stream, buffer, offset, length, mmapFlags) {
NODEFS.stream_ops.write(stream, buffer, 0, length, offset, false);
// should we check if bytesWritten and length are the same?
return 0;
},
},
};
var NODERAWFS = {
lookup(parent, name) {
assert(parent)
assert(parent.path)
return FS.lookupPath(`${parent.path}/${name}`).node;
},
lookupPath(path, opts = {}) {
if (opts.parent) {
path = PATH.dirname(path);
}
var st = fs.lstatSync(path);
var mode = NODEFS.getMode(path);
return { path, node: { id: st.ino, mode, node_ops: NODERAWFS, path }};
},
createStandardStreams() {
// FIXME: tty is set to true to appease isatty(), the underlying ioctl syscalls still needs to be implemented, see issue #22264.
FS.createStream({ nfd: 0, position: 0, path: '/dev/stdin', flags: 0, tty: true, seekable: false }, 0);
var paths = [,'/dev/stdout', '/dev/stderr'];
for (var i = 1; i < 3; i++) {
FS.createStream({ nfd: i, position: 0, path: paths[i], flags: 577, tty: true, seekable: false }, i);
}
},
cwd() { return process.cwd(); },
chdir(...args) { process.chdir(...args); },
mknod(path, mode) {
if (FS.isDir(path)) {
fs.mkdirSync(path, mode);
} else {
fs.writeFileSync(path, '', { mode: mode });
}
},
mkdir(...args) { fs.mkdirSync(...args); },
symlink(...args) { fs.symlinkSync(...args); },
rename(...args) { fs.renameSync(...args); },
rmdir(...args) { fs.rmdirSync(...args); },
readdir(...args) { return ['.', '..'].concat(fs.readdirSync(...args)); },
unlink(...args) { fs.unlinkSync(...args); },
readlink(...args) { return fs.readlinkSync(...args); },
stat(path, dontFollow) {
var stat = dontFollow ? fs.lstatSync(path) : fs.statSync(path);
if (NODEFS.isWindows) {
// Windows does not report the 'x' permission bit, so propagate read
// bits to execute bits.
stat.mode |= (stat.mode & 292) >> 2;
}
return stat;
},
fstat(fd) {
var stream = FS.getStreamChecked(fd);
return fs.fstatSync(stream.nfd);
},
statfsStream(stream) {
return fs.statfsSync(stream.path);
},
statfsNode(node) {
return fs.statfsSync(node.path);
},
chmod(path, mode, dontFollow) {
mode &= 4095;
if (NODEFS.isWindows) {
// Windows only supports S_IREAD / S_IWRITE (S_IRUSR / S_IWUSR)
// https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/chmod-wchmod
mode &= 384;
}
if (dontFollow && fs.lstatSync(path).isSymbolicLink()) {
// Node (and indeed linux) does not support chmod on symlinks
// https://nodejs.org/api/fs.html#fslchmodsyncpath-mode
throw new FS.ErrnoError(138);
}
fs.chmodSync(path, mode);
},
fchmod(fd, mode) {
var stream = FS.getStreamChecked(fd);
fs.fchmodSync(stream.nfd, mode);
},
chown(...args) { fs.chownSync(...args); },
fchown(fd, owner, group) {
var stream = FS.getStreamChecked(fd);
fs.fchownSync(stream.nfd, owner, group);
},
truncate(path, len) {
// See https://github.com/nodejs/node/issues/35632
if (len < 0) {
throw new FS.ErrnoError(28);
}
return fs.truncateSync(path, len);
},
ftruncate(fd, len) {
// See https://github.com/nodejs/node/issues/35632
if (len < 0) {
throw new FS.ErrnoError(28);
}
var stream = FS.getStreamChecked(fd);
fs.ftruncateSync(stream.nfd, len);
},
utime(path, atime, mtime) {
// null here for atime or mtime means UTIME_OMIT was passed. Since node
// doesn't support this concept we need to first find the existing
// timestamps in order to preserve them.
if ((atime === null) || (mtime === null)) {
var st = fs.statSync(path);
atime ||= st.atimeMs;
mtime ||= st.mtimeMs;
}
fs.utimesSync(path, atime/1000, mtime/1000);
},
open(path, flags, mode) {
if (typeof flags == "string") {
flags = FS_modeStringToFlags(flags)
}
var pathTruncated = path.split('/').map((s) => s.slice(0, 255)).join('/');
var nfd = fs.openSync(pathTruncated, NODEFS.flagsForNode(flags), mode);
var st = fs.fstatSync(nfd);
if (flags & 65536 && !st.isDirectory()) {
fs.closeSync(nfd);
throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR);
}
var newMode = NODEFS.getMode(pathTruncated);
var node = { id: st.ino, mode: newMode, node_ops: NODERAWFS, path }
return FS.createStream({ nfd, position: 0, path, flags, node, seekable: true });
},
createStream(stream, fd) {
// Call the original FS.createStream
var rtn = VFS.createStream(stream, fd);
if (typeof rtn.shared.refcnt == 'undefined') {
rtn.shared.refcnt = 1;
} else {
rtn.shared.refcnt++;
}
return rtn;
},
close(stream) {
VFS.closeStream(stream.fd);
if (!stream.stream_ops && --stream.shared.refcnt <= 0) {
// This stream is created by our Node.js filesystem, close the
// native file descriptor when its reference count drops to 0.
fs.closeSync(stream.nfd);
}
},
llseek(stream, offset, whence) {
if (stream.stream_ops) {
// this stream is created by in-memory filesystem
return VFS.llseek(stream, offset, whence);
}
var position = offset;
if (whence === 1) {
position += stream.position;
} else if (whence === 2) {
position += fs.fstatSync(stream.nfd).size;
} else if (whence !== 0) {
throw new FS.ErrnoError(28);
}
if (position < 0) {
throw new FS.ErrnoError(28);
}
stream.position = position;
return position;
},
read(stream, buffer, offset, length, position) {
if (stream.stream_ops) {
// this stream is created by in-memory filesystem
return VFS.read(stream, buffer, offset, length, position);
}
var seeking = typeof position != 'undefined';
if (!seeking && stream.seekable) position = stream.position;
var bytesRead = fs.readSync(stream.nfd, new Int8Array(buffer.buffer, offset, length), 0, length, position);
// update position marker when non-seeking
if (!seeking) stream.position += bytesRead;
return bytesRead;
},
write(stream, buffer, offset, length, position) {
if (stream.stream_ops) {
// this stream is created by in-memory filesystem
return VFS.write(stream, buffer, offset, length, position);
}
if (stream.flags & +"1024") {
// seek to the end before writing in append mode
FS.llseek(stream, 0, +"2");
}
var seeking = typeof position != 'undefined';
if (!seeking && stream.seekable) position = stream.position;
var bytesWritten = fs.writeSync(stream.nfd, new Int8Array(buffer.buffer, offset, length), 0, length, position);
// update position marker when non-seeking
if (!seeking) stream.position += bytesWritten;
return bytesWritten;
},
mmap(stream, length, position, prot, flags) {
if (!length) {
throw new FS.ErrnoError(28);
}
if (stream.stream_ops) {
// this stream is created by in-memory filesystem
return VFS.mmap(stream, length, position, prot, flags);
}
var ptr = mmapAlloc(length);
FS.read(stream, HEAP8, ptr, length, position);
return { ptr, allocated: true };
},
msync(stream, buffer, offset, length, mmapFlags) {
if (stream.stream_ops) {
// this stream is created by in-memory filesystem
return VFS.msync(stream, buffer, offset, length, mmapFlags);
}
FS.write(stream, buffer, 0, length, offset);
// should we check if bytesWritten and length are the same?
return 0;
},
ioctl() {
throw new FS.ErrnoError(59);
},
};
var strError = (errno) => UTF8ToString(_strerror(errno));
var FS = {
root:null,
mounts:[],
devices:{
},
streams:[],
nextInode:1,
nameTable:null,
currentPath:"/",
initialized:false,
ignorePermissions:true,
filesystems:null,
syncFSRequests:0,
readFiles:{
},
ErrnoError:class extends Error {
name = 'ErrnoError';
// We set the `name` property to be able to identify `FS.ErrnoError`
// - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway.
// - when using PROXYFS, an error can come from an underlying FS
// as different FS objects have their own FS.ErrnoError each,
// the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs.
// we'll use the reliable test `err.name == "ErrnoError"` instead
constructor(errno) {
super(runtimeInitialized ? strError(errno) : '');
this.errno = errno;
for (var key in ERRNO_CODES) {
if (ERRNO_CODES[key] === errno) {
this.code = key;
break;
}
}
}
},
FSStream:class {
shared = {};
get object() {
return this.node;
}
set object(val) {
this.node = val;
}
get isRead() {
return (this.flags & 2097155) !== 1;
}
get isWrite() {
return (this.flags & 2097155) !== 0;
}
get isAppend() {
return (this.flags & 1024);
}
get flags() {
return this.shared.flags;
}
set flags(val) {
this.shared.flags = val;
}
get position() {
return this.shared.position;
}
set position(val) {
this.shared.position = val;
}
},
FSNode:class {
node_ops = {};
stream_ops = {};
readMode = 292 | 73;
writeMode = 146;
mounted = null;
constructor(parent, name, mode, rdev) {
if (!parent) {
parent = this; // root node sets parent to itself
}
this.parent = parent;
this.mount = parent.mount;
this.id = FS.nextInode++;
this.name = name;
this.mode = mode;
this.rdev = rdev;
this.atime = this.mtime = this.ctime = Date.now();
}
get read() {
return (this.mode & this.readMode) === this.readMode;
}
set read(val) {
val ? this.mode |= this.readMode : this.mode &= ~this.readMode;
}
get write() {
return (this.mode & this.writeMode) === this.writeMode;
}
set write(val) {
val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode;
}
get isFolder() {
return FS.isDir(this.mode);
}
get isDevice() {
return FS.isChrdev(this.mode);
}
},
lookupPath(path, opts = {}) {
if (!path) {
throw new FS.ErrnoError(44);
}
opts.follow_mount ??= true
if (!PATH.isAbs(path)) {
path = FS.cwd() + '/' + path;
}
// limit max consecutive symlinks to 40 (SYMLOOP_MAX).
linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) {
// split the absolute path
var parts = path.split('/').filter((p) => !!p);
// start at the root
var current = FS.root;
var current_path = '/';
for (var i = 0; i < parts.length; i++) {
var islast = (i === parts.length-1);
if (islast && opts.parent) {
// stop resolving
break;
}
if (parts[i] === '.') {
continue;
}
if (parts[i] === '..') {
current_path = PATH.dirname(current_path);
if (FS.isRoot(current)) {
path = current_path + '/' + parts.slice(i + 1).join('/');
continue linkloop;
} else {
current = current.parent;
}
continue;
}
current_path = PATH.join2(current_path, parts[i]);
try {
current = FS.lookupNode(current, parts[i]);
} catch (e) {
// if noent_okay is true, suppress a ENOENT in the last component
// and return an object with an undefined node. This is needed for
// resolving symlinks in the path when creating a file.
if ((e?.errno === 44) && islast && opts.noent_okay) {
return { path: current_path };
}
throw e;
}
// jump to the mount's root node if this is a mountpoint
if (FS.isMountpoint(current) && (!islast || opts.follow_mount)) {
current = current.mounted.root;
}
// by default, lookupPath will not follow a symlink if it is the final path component.
// setting opts.follow = true will override this behavior.
if (FS.isLink(current.mode) && (!islast || opts.follow)) {
if (!current.node_ops.readlink) {
throw new FS.ErrnoError(52);
}
var link = current.node_ops.readlink(current);
if (!PATH.isAbs(link)) {
link = PATH.dirname(current_path) + '/' + link;
}
path = link + '/' + parts.slice(i + 1).join('/');
continue linkloop;
}
}
return { path: current_path, node: current };
}
throw new FS.ErrnoError(32);
},
getPath(node) {
var path;
while (true) {
if (FS.isRoot(node)) {
var mount = node.mount.mountpoint;
if (!path) return mount;
return mount[mount.length-1] !== '/' ? `${mount}/${path}` : mount + path;
}
path = path ? `${node.name}/${path}` : node.name;
node = node.parent;
}
},
hashName(parentid, name) {
var hash = 0;
for (var i = 0; i < name.length; i++) {
hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
}
return ((parentid + hash) >>> 0) % FS.nameTable.length;
},
hashAddNode(node) {
var hash = FS.hashName(node.parent.id, node.name);
node.name_next = FS.nameTable[hash];
FS.nameTable[hash] = node;
},
hashRemoveNode(node) {
var hash = FS.hashName(node.parent.id, node.name);
if (FS.nameTable[hash] === node) {
FS.nameTable[hash] = node.name_next;
} else {
var current = FS.nameTable[hash];
while (current) {
if (current.name_next === node) {
current.name_next = node.name_next;
break;
}
current = current.name_next;
}
}
},
lookupNode(parent, name) {
var errCode = FS.mayLookup(parent);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
var hash = FS.hashName(parent.id, name);
for (var node = FS.nameTable[hash]; node; node = node.name_next) {
var nodeName = node.name;
if (node.parent.id === parent.id && nodeName === name) {
return node;
}
}
// if we failed to find it in the cache, call into the VFS
return FS.lookup(parent, name);
},
createNode(parent, name, mode, rdev) {
assert(typeof parent == 'object')
var node = new FS.FSNode(parent, name, mode, rdev);
FS.hashAddNode(node);
return node;
},
destroyNode(node) {
FS.hashRemoveNode(node);
},
isRoot(node) {
return node === node.parent;
},
isMountpoint(node) {
return !!node.mounted;
},
isFile(mode) {
return (mode & 61440) === 32768;
},
isDir(mode) {
return (mode & 61440) === 16384;
},
isLink(mode) {
return (mode & 61440) === 40960;
},
isChrdev(mode) {
return (mode & 61440) === 8192;
},
isBlkdev(mode) {
return (mode & 61440) === 24576;
},
isFIFO(mode) {
return (mode & 61440) === 4096;
},
isSocket(mode) {
return (mode & 49152) === 49152;
},
flagsToPermissionString(flag) {
var perms = ['r', 'w', 'rw'][flag & 3];
if ((flag & 512)) {
perms += 'w';
}
return perms;
},
nodePermissions(node, perms) {
if (FS.ignorePermissions) {
return 0;
}
// return 0 if any user, group or owner bits are set.
if (perms.includes('r') && !(node.mode & 292)) {
return 2;
} else if (perms.includes('w') && !(node.mode & 146)) {
return 2;
} else if (perms.includes('x') && !(node.mode & 73)) {
return 2;
}
return 0;
},
mayLookup(dir) {
if (!FS.isDir(dir.mode)) return 54;
var errCode = FS.nodePermissions(dir, 'x');
if (errCode) return errCode;
if (!dir.node_ops.lookup) return 2;
return 0;
},
mayCreate(dir, name) {
if (!FS.isDir(dir.mode)) {
return 54;
}
try {
var node = FS.lookupNode(dir, name);
return 20;
} catch (e) {
}
return FS.nodePermissions(dir, 'wx');
},
mayDelete(dir, name, isdir) {
var node;
try {
node = FS.lookupNode(dir, name);
} catch (e) {
return e.errno;
}
var errCode = FS.nodePermissions(dir, 'wx');
if (errCode) {
return errCode;
}
if (isdir) {
if (!FS.isDir(node.mode)) {
return 54;
}
if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
return 10;
}
} else {
if (FS.isDir(node.mode)) {
return 31;
}
}
return 0;
},
mayOpen(node, flags) {
if (!node) {
return 44;
}
if (FS.isLink(node.mode)) {
return 32;
} else if (FS.isDir(node.mode)) {
if (FS.flagsToPermissionString(flags) !== 'r' // opening for write
|| (flags & (512 | 64))) { // TODO: check for O_SEARCH? (== search for dir only)
return 31;
}
}
return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
},
checkOpExists(op, err) {
if (!op) {
throw new FS.ErrnoError(err);
}
return op;
},
MAX_OPEN_FDS:4096,
nextfd() {
for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
if (!FS.streams[fd]) {
return fd;
}
}
throw new FS.ErrnoError(33);
},
getStreamChecked(fd) {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
return stream;
},
getStream:(fd) => FS.streams[fd],
createStream(stream, fd = -1) {
assert(fd >= -1);
// clone it, so we can return an instance of FSStream
stream = Object.assign(new FS.FSStream(), stream);
if (fd == -1) {
fd = FS.nextfd();
}
stream.fd = fd;
FS.streams[fd] = stream;
return stream;
},
closeStream(fd) {
FS.streams[fd] = null;
},
dupStream(origStream, fd = -1) {
var stream = FS.createStream(origStream, fd);
stream.stream_ops?.dup?.(stream);
return stream;
},
doSetAttr(stream, node, attr) {
var setattr = stream?.stream_ops.setattr;
var arg = setattr ? stream : node;
setattr ??= node.node_ops.setattr;
FS.checkOpExists(setattr, 63)
setattr(arg, attr);
},
chrdev_stream_ops:{
open(stream) {
var device = FS.getDevice(stream.node.rdev);
// override node's stream ops with the device's
stream.stream_ops = device.stream_ops;
// forward the open call
stream.stream_ops.open?.(stream);
},
llseek() {
throw new FS.ErrnoError(70);
},
},
major:(dev) => ((dev) >> 8),
minor:(dev) => ((dev) & 0xff),
makedev:(ma, mi) => ((ma) << 8 | (mi)),
registerDevice(dev, ops) {
FS.devices[dev] = { stream_ops: ops };
},
getDevice:(dev) => FS.devices[dev],
getMounts(mount) {
var mounts = [];
var check = [mount];
while (check.length) {
var m = check.pop();
mounts.push(m);
check.push(...m.mounts);
}
return mounts;
},
syncfs(populate, callback) {
if (typeof populate == 'function') {
callback = populate;
populate = false;
}
FS.syncFSRequests++;
if (FS.syncFSRequests > 1) {
err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);
}
var mounts = FS.getMounts(FS.root.mount);
var completed = 0;
function doCallback(errCode) {
assert(FS.syncFSRequests > 0);
FS.syncFSRequests--;
return callback(errCode);
}
function done(errCode) {
if (errCode) {
if (!done.errored) {
done.errored = true;
return doCallback(errCode);
}
return;
}
if (++completed >= mounts.length) {
doCallback(null);
}
};
// sync all mounts
mounts.forEach((mount) => {
if (!mount.type.syncfs) {
return done(null);
}
mount.type.syncfs(mount, populate, done);
});
},
mount(type, opts, mountpoint) {
if (typeof type == 'string') {
// The filesystem was not included, and instead we have an error
// message stored in the variable.
throw type;
}
var root = mountpoint === '/';
var pseudo = !mountpoint;
var node;
if (root && FS.root) {
throw new FS.ErrnoError(10);
} else if (!root && !pseudo) {
var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
mountpoint = lookup.path; // use the absolute path
node = lookup.node;
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10);
}
if (!FS.isDir(node.mode)) {
throw new FS.ErrnoError(54);
}
}
var mount = {
type,
opts,
mountpoint,
mounts: []
};
// create a root node for the fs
var mountRoot = type.mount(mount);
mountRoot.mount = mount;
mount.root = mountRoot;
if (root) {
FS.root = mountRoot;
} else if (node) {
// set as a mountpoint
node.mounted = mount;
// add the new mount to the current mount's children
if (node.mount) {
node.mount.mounts.push(mount);
}
}
return mountRoot;
},
unmount(mountpoint) {
var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
if (!FS.isMountpoint(lookup.node)) {
throw new FS.ErrnoError(28);
}
// destroy the nodes for this mount, and all its child mounts
var node = lookup.node;
var mount = node.mounted;
var mounts = FS.getMounts(mount);
Object.keys(FS.nameTable).forEach((hash) => {
var current = FS.nameTable[hash];
while (current) {
var next = current.name_next;
if (mounts.includes(current.mount)) {
FS.destroyNode(current);
}
current = next;
}
});
// no longer a mountpoint
node.mounted = null;
// remove this mount from the child mounts
var idx = node.mount.mounts.indexOf(mount);
assert(idx !== -1);
node.mount.mounts.splice(idx, 1);
},
lookup(parent, name) {
return parent.node_ops.lookup(parent, name);
},
mknod(path, mode, dev) {
var lookup = FS.lookupPath(path, { parent: true });
var parent = lookup.node;
var name = PATH.basename(path);
if (!name) {
throw new FS.ErrnoError(28);
}
if (name === '.' || name === '..') {
throw new FS.ErrnoError(20);
}
var errCode = FS.mayCreate(parent, name);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.mknod) {
throw new FS.ErrnoError(63);
}
return parent.node_ops.mknod(parent, name, mode, dev);
},
statfs(path) {
return FS.statfsNode(FS.lookupPath(path, {follow: true}).node);
},
statfsStream(stream) {
// We keep a separate statfsStream function because noderawfs overrides
// it. In noderawfs, stream.node is sometimes null. Instead, we need to
// look at stream.path.
return FS.statfsNode(stream.node);
},
statfsNode(node) {
// NOTE: None of the defaults here are true. We're just returning safe and
// sane values. Currently nodefs and rawfs replace these defaults,
// other file systems leave them alone.
var rtn = {
bsize: 4096,
frsize: 4096,
blocks: 1e6,
bfree: 5e5,
bavail: 5e5,
files: FS.nextInode,
ffree: FS.nextInode - 1,
fsid: 42,
flags: 2,
namelen: 255,
};
if (node.node_ops.statfs) {
Object.assign(rtn, node.node_ops.statfs(node.mount.opts.root));
}
return rtn;
},
create(path, mode = 0o666) {
mode &= 4095;
mode |= 32768;
return FS.mknod(path, mode, 0);
},
mkdir(path, mode = 0o777) {
mode &= 511 | 512;
mode |= 16384;
return FS.mknod(path, mode, 0);
},
mkdirTree(path, mode) {
var dirs = path.split('/');
var d = '';
for (var dir of dirs) {
if (!dir) continue;
if (d || PATH.isAbs(path)) d += '/';
d += dir;
try {
FS.mkdir(d, mode);
} catch(e) {
if (e.errno != 20) throw e;
}
}
},
mkdev(path, mode, dev) {
if (typeof dev == 'undefined') {
dev = mode;
mode = 0o666;
}
mode |= 8192;
return FS.mknod(path, mode, dev);
},
symlink(oldpath, newpath) {
if (!PATH_FS.resolve(oldpath)) {
throw new FS.ErrnoError(44);
}
var lookup = FS.lookupPath(newpath, { parent: true });
var parent = lookup.node;
if (!parent) {
throw new FS.ErrnoError(44);
}
var newname = PATH.basename(newpath);
var errCode = FS.mayCreate(parent, newname);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.symlink) {
throw new FS.ErrnoError(63);
}
return parent.node_ops.symlink(parent, newname, oldpath);
},
rename(old_path, new_path) {
var old_dirname = PATH.dirname(old_path);
var new_dirname = PATH.dirname(new_path);
var old_name = PATH.basename(old_path);
var new_name = PATH.basename(new_path);
// parents must exist
var lookup, old_dir, new_dir;
// let the errors from non existent directories percolate up
lookup = FS.lookupPath(old_path, { parent: true });
old_dir = lookup.node;
lookup = FS.lookupPath(new_path, { parent: true });
new_dir = lookup.node;
if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
// need to be part of the same mount
if (old_dir.mount !== new_dir.mount) {
throw new FS.ErrnoError(75);
}
// source must exist
var old_node = FS.lookupNode(old_dir, old_name);
// old path should not be an ancestor of the new path
var relative = PATH_FS.relative(old_path, new_dirname);
if (relative.charAt(0) !== '.') {
throw new FS.ErrnoError(28);
}
// new path should not be an ancestor of the old path
relative = PATH_FS.relative(new_path, old_dirname);
if (relative.charAt(0) !== '.') {
throw new FS.ErrnoError(55);
}
// see if the new path already exists
var new_node;
try {
new_node = FS.lookupNode(new_dir, new_name);
} catch (e) {
// not fatal
}
// early out if nothing needs to change
if (old_node === new_node) {
return;
}
// we'll need to delete the old entry
var isdir = FS.isDir(old_node.mode);
var errCode = FS.mayDelete(old_dir, old_name, isdir);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
// need delete permissions if we'll be overwriting.
// need create permissions if new doesn't already exist.
errCode = new_node ?
FS.mayDelete(new_dir, new_name, isdir) :
FS.mayCreate(new_dir, new_name);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!old_dir.node_ops.rename) {
throw new FS.ErrnoError(63);
}
if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
throw new FS.ErrnoError(10);
}
// if we are going to change the parent, check write permissions
if (new_dir !== old_dir) {
errCode = FS.nodePermissions(old_dir, 'w');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
}
// remove the node from the lookup hash
FS.hashRemoveNode(old_node);
// do the underlying fs rename
try {
old_dir.node_ops.rename(old_node, new_dir, new_name);
// update old node (we do this here to avoid each backend
// needing to)
old_node.parent = new_dir;
} catch (e) {
throw e;
} finally {
// add the node back to the hash (in case node_ops.rename
// changed its name)
FS.hashAddNode(old_node);
}
},
rmdir(path) {
var lookup = FS.lookupPath(path, { parent: true });
var parent = lookup.node;
var name = PATH.basename(path);
var node = FS.lookupNode(parent, name);
var errCode = FS.mayDelete(parent, name, true);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.rmdir) {
throw new FS.ErrnoError(63);
}
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10);
}
parent.node_ops.rmdir(parent, name);
FS.destroyNode(node);
},
readdir(path) {
var lookup = FS.lookupPath(path, { follow: true });
var node = lookup.node;
var readdir = FS.checkOpExists(node.node_ops.readdir, 54);
return readdir(node);
},
unlink(path) {
var lookup = FS.lookupPath(path, { parent: true });
var parent = lookup.node;
if (!parent) {
throw new FS.ErrnoError(44);
}
var name = PATH.basename(path);
var node = FS.lookupNode(parent, name);
var errCode = FS.mayDelete(parent, name, false);
if (errCode) {
// According to POSIX, we should map EISDIR to EPERM, but
// we instead do what Linux does (and we must, as we use
// the musl linux libc).
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.unlink) {
throw new FS.ErrnoError(63);
}
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10);
}
parent.node_ops.unlink(parent, name);
FS.destroyNode(node);
},
readlink(path) {
var lookup = FS.lookupPath(path);
var link = lookup.node;
if (!link) {
throw new FS.ErrnoError(44);
}
if (!link.node_ops.readlink) {
throw new FS.ErrnoError(28);
}
return link.node_ops.readlink(link);
},
stat(path, dontFollow) {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
var node = lookup.node;
var getattr = FS.checkOpExists(node.node_ops.getattr, 63);
return getattr(node);
},
fstat(fd) {
var stream = FS.getStreamChecked(fd);
var node = stream.node;
var getattr = stream.stream_ops.getattr;
var arg = getattr ? stream : node;
getattr ??= node.node_ops.getattr;
FS.checkOpExists(getattr, 63)
return getattr(arg);
},
lstat(path) {
return FS.stat(path, true);
},
doChmod(stream, node, mode, dontFollow) {
FS.doSetAttr(stream, node, {
mode: (mode & 4095) | (node.mode & ~4095),
ctime: Date.now(),
dontFollow
});
},
chmod(path, mode, dontFollow) {
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
node = lookup.node;
} else {
node = path;
}
FS.doChmod(null, node, mode, dontFollow);
},
lchmod(path, mode) {
FS.chmod(path, mode, true);
},
fchmod(fd, mode) {
var stream = FS.getStreamChecked(fd);
FS.doChmod(stream, stream.node, mode, false);
},
doChown(stream, node, dontFollow) {
FS.doSetAttr(stream, node, {
timestamp: Date.now(),
dontFollow
// we ignore the uid / gid for now
});
},
chown(path, uid, gid, dontFollow) {
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
node = lookup.node;
} else {
node = path;
}
FS.doChown(null, node, dontFollow);
},
lchown(path, uid, gid) {
FS.chown(path, uid, gid, true);
},
fchown(fd, uid, gid) {
var stream = FS.getStreamChecked(fd);
FS.doChown(stream, stream.node, false);
},
doTruncate(stream, node, len) {
if (FS.isDir(node.mode)) {
throw new FS.ErrnoError(31);
}
if (!FS.isFile(node.mode)) {
throw new FS.ErrnoError(28);
}
var errCode = FS.nodePermissions(node, 'w');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
FS.doSetAttr(stream, node, {
size: len,
timestamp: Date.now()
});
},
truncate(path, len) {
if (len < 0) {
throw new FS.ErrnoError(28);
}
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: true });
node = lookup.node;
} else {
node = path;
}
FS.doTruncate(null, node, len);
},
ftruncate(fd, len) {
var stream = FS.getStreamChecked(fd);
if (len < 0 || (stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(28);
}
FS.doTruncate(stream, stream.node, len);
},
utime(path, atime, mtime) {
var lookup = FS.lookupPath(path, { follow: true });
var node = lookup.node;
var setattr = FS.checkOpExists(node.node_ops.setattr, 63);
setattr(node, {
atime: atime,
mtime: mtime
});
},
open(path, flags, mode = 0o666) {
if (path === "") {
throw new FS.ErrnoError(44);
}
flags = typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags;
if ((flags & 64)) {
mode = (mode & 4095) | 32768;
} else {
mode = 0;
}
var node;
var isDirPath;
if (typeof path == 'object') {
node = path;
} else {
isDirPath = path.endsWith("/");
// noent_okay makes it so that if the final component of the path
// doesn't exist, lookupPath returns `node: undefined`. `path` will be
// updated to point to the target of all symlinks.
var lookup = FS.lookupPath(path, {
follow: !(flags & 131072),
noent_okay: true
});
node = lookup.node;
path = lookup.path;
}
// perhaps we need to create the node
var created = false;
if ((flags & 64)) {
if (node) {
// if O_CREAT and O_EXCL are set, error out if the node already exists
if ((flags & 128)) {
throw new FS.ErrnoError(20);
}
} else if (isDirPath) {
throw new FS.ErrnoError(31);
} else {
// node doesn't exist, try to create it
// Ignore the permission bits here to ensure we can `open` this new
// file below. We use chmod below the apply the permissions once the
// file is open.
node = FS.mknod(path, mode | 0o777, 0);
created = true;
}
}
if (!node) {
throw new FS.ErrnoError(44);
}
// can't truncate a device
if (FS.isChrdev(node.mode)) {
flags &= ~512;
}
// if asked only for a directory, then this must be one
if ((flags & 65536) && !FS.isDir(node.mode)) {
throw new FS.ErrnoError(54);
}
// check permissions, if this is not a file we just created now (it is ok to
// create and write to a file with read-only permissions; it is read-only
// for later use)
if (!created) {
var errCode = FS.mayOpen(node, flags);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
}
// do truncation if necessary
if ((flags & 512) && !created) {
FS.truncate(node, 0);
}
// we've already handled these, don't pass down to the underlying vfs
flags &= ~(128 | 512 | 131072);
// register the stream with the filesystem
var stream = FS.createStream({
node,
path: FS.getPath(node), // we want the absolute path to the node
flags,
seekable: true,
position: 0,
stream_ops: node.stream_ops,
// used by the file family libc calls (fopen, fwrite, ferror, etc.)
ungotten: [],
error: false
});
// call the new stream's open function
if (stream.stream_ops.open) {
stream.stream_ops.open(stream);
}
if (created) {
FS.chmod(node, mode & 0o777);
}
if (Module['logReadFiles'] && !(flags & 1)) {
if (!(path in FS.readFiles)) {
FS.readFiles[path] = 1;
}
}
return stream;
},
close(stream) {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if (stream.getdents) stream.getdents = null; // free readdir state
try {
if (stream.stream_ops.close) {
stream.stream_ops.close(stream);
}
} catch (e) {
throw e;
} finally {
FS.closeStream(stream.fd);
}
stream.fd = null;
},
isClosed(stream) {
return stream.fd === null;
},
llseek(stream, offset, whence) {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if (!stream.seekable || !stream.stream_ops.llseek) {
throw new FS.ErrnoError(70);
}
if (whence != 0 && whence != 1 && whence != 2) {
throw new FS.ErrnoError(28);
}
stream.position = stream.stream_ops.llseek(stream, offset, whence);
stream.ungotten = [];
return stream.position;
},
read(stream, buffer, offset, length, position) {
assert(offset >= 0);
if (length < 0 || position < 0) {
throw new FS.ErrnoError(28);
}
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if ((stream.flags & 2097155) === 1) {
throw new FS.ErrnoError(8);
}
if (FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(31);
}
if (!stream.stream_ops.read) {
throw new FS.ErrnoError(28);
}
var seeking = typeof position != 'undefined';
if (!seeking) {
position = stream.position;
} else if (!stream.seekable) {
throw new FS.ErrnoError(70);
}
var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
if (!seeking) stream.position += bytesRead;
return bytesRead;
},
write(stream, buffer, offset, length, position, canOwn) {
assert(offset >= 0);
if (length < 0 || position < 0) {
throw new FS.ErrnoError(28);
}
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(8);
}
if (FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(31);
}
if (!stream.stream_ops.write) {
throw new FS.ErrnoError(28);
}
if (stream.seekable && stream.flags & 1024) {
// seek to the end before writing in append mode
FS.llseek(stream, 0, 2);
}
var seeking = typeof position != 'undefined';
if (!seeking) {
position = stream.position;
} else if (!stream.seekable) {
throw new FS.ErrnoError(70);
}
var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
if (!seeking) stream.position += bytesWritten;
return bytesWritten;
},
mmap(stream, length, position, prot, flags) {
// User requests writing to file (prot & PROT_WRITE != 0).
// Checking if we have permissions to write to the file unless
// MAP_PRIVATE flag is set. According to POSIX spec it is possible
// to write to file opened in read-only mode with MAP_PRIVATE flag,
// as all modifications will be visible only in the memory of
// the current process.
if ((prot & 2) !== 0
&& (flags & 2) === 0
&& (stream.flags & 2097155) !== 2) {
throw new FS.ErrnoError(2);
}
if ((stream.flags & 2097155) === 1) {
throw new FS.ErrnoError(2);
}
if (!stream.stream_ops.mmap) {
throw new FS.ErrnoError(43);
}
if (!length) {
throw new FS.ErrnoError(28);
}
return stream.stream_ops.mmap(stream, length, position, prot, flags);
},
msync(stream, buffer, offset, length, mmapFlags) {
assert(offset >= 0);
if (!stream.stream_ops.msync) {
return 0;
}
return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
},
ioctl(stream, cmd, arg) {
if (!stream.stream_ops.ioctl) {
throw new FS.ErrnoError(59);
}
return stream.stream_ops.ioctl(stream, cmd, arg);
},
readFile(path, opts = {}) {
opts.flags = opts.flags || 0;
opts.encoding = opts.encoding || 'binary';
if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {
throw new Error(`Invalid encoding type "${opts.encoding}"`);
}
var ret;
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') {
ret = UTF8ArrayToString(buf);
} else if (opts.encoding === 'binary') {
ret = buf;
}
FS.close(stream);
return ret;
},
writeFile(path, data, opts = {}) {
opts.flags = opts.flags || 577;
var stream = FS.open(path, opts.flags, opts.mode);
if (typeof data == 'string') {
var buf = new Uint8Array(lengthBytesUTF8(data)+1);
var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
} else if (ArrayBuffer.isView(data)) {
FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
} else {
throw new Error('Unsupported data type');
}
FS.close(stream);
},
cwd:() => FS.currentPath,
chdir(path) {
var lookup = FS.lookupPath(path, { follow: true });
if (lookup.node === null) {
throw new FS.ErrnoError(44);
}
if (!FS.isDir(lookup.node.mode)) {
throw new FS.ErrnoError(54);
}
var errCode = FS.nodePermissions(lookup.node, 'x');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
FS.currentPath = lookup.path;
},
createDefaultDirectories() {
FS.mkdir('/tmp');
FS.mkdir('/home');
FS.mkdir('/home/web_user');
},
createDefaultDevices() {
// create /dev
FS.mkdir('/dev');
// setup /dev/null
FS.registerDevice(FS.makedev(1, 3), {
read: () => 0,
write: (stream, buffer, offset, length, pos) => length,
llseek: () => 0,
});
FS.mkdev('/dev/null', FS.makedev(1, 3));
// setup /dev/tty and /dev/tty1
// stderr needs to print output using err() rather than out()
// so we register a second tty just for it.
TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
FS.mkdev('/dev/tty', FS.makedev(5, 0));
FS.mkdev('/dev/tty1', FS.makedev(6, 0));
// setup /dev/[u]random
// use a buffer to avoid overhead of individual crypto calls per byte
var randomBuffer = new Uint8Array(1024), randomLeft = 0;
var randomByte = () => {
if (randomLeft === 0) {
randomFill(randomBuffer);
randomLeft = randomBuffer.byteLength;
}
return randomBuffer[--randomLeft];
};
FS.createDevice('/dev', 'random', randomByte);
FS.createDevice('/dev', 'urandom', randomByte);
// we're not going to emulate the actual shm device,
// just create the tmp dirs that reside in it commonly
FS.mkdir('/dev/shm');
FS.mkdir('/dev/shm/tmp');
},
createSpecialDirectories() {
// create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
// name of the stream for fd 6 (see test_unistd_ttyname)
FS.mkdir('/proc');
var proc_self = FS.mkdir('/proc/self');
FS.mkdir('/proc/self/fd');
FS.mount({
mount() {
var node = FS.createNode(proc_self, 'fd', 16895, 73);
node.stream_ops = {
llseek: MEMFS.stream_ops.llseek,
};
node.node_ops = {
lookup(parent, name) {
var fd = +name;
var stream = FS.getStreamChecked(fd);
var ret = {
parent: null,
mount: { mountpoint: 'fake' },
node_ops: { readlink: () => stream.path },
id: fd + 1,
};
ret.parent = ret; // make it look like a simple root node
return ret;
},
readdir() {
return Array.from(FS.streams.entries())
.filter(([k, v]) => v)
.map(([k, v]) => k.toString());
}
};
return node;
}
}, {}, '/proc/self/fd');
},
createStandardStreams(input, output, error) {
// TODO deprecate the old functionality of a single
// input / output callback and that utilizes FS.createDevice
// and instead require a unique set of stream ops
// by default, we symlink the standard streams to the
// default tty devices. however, if the standard streams
// have been overwritten we create a unique device for
// them instead.
if (input) {
FS.createDevice('/dev', 'stdin', input);
} else {
FS.symlink('/dev/tty', '/dev/stdin');
}
if (output) {
FS.createDevice('/dev', 'stdout', null, output);
} else {
FS.symlink('/dev/tty', '/dev/stdout');
}
if (error) {
FS.createDevice('/dev', 'stderr', null, error);
} else {
FS.symlink('/dev/tty1', '/dev/stderr');
}
// open default streams for the stdin, stdout and stderr devices
var stdin = FS.open('/dev/stdin', 0);
var stdout = FS.open('/dev/stdout', 1);
var stderr = FS.open('/dev/stderr', 1);
assert(stdin.fd === 0, `invalid handle for stdin (${stdin.fd})`);
assert(stdout.fd === 1, `invalid handle for stdout (${stdout.fd})`);
assert(stderr.fd === 2, `invalid handle for stderr (${stderr.fd})`);
},
staticInit() {
FS.nameTable = new Array(4096);
FS.mount(MEMFS, {}, '/');
FS.createDefaultDirectories();
FS.createDefaultDevices();
FS.createSpecialDirectories();
FS.filesystems = {
'MEMFS': MEMFS,
'NODEFS': NODEFS,
};
},
init(input, output, error) {
assert(!FS.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)');
FS.initialized = true;
// Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
input ??= Module['stdin'];
output ??= Module['stdout'];
error ??= Module['stderr'];
FS.createStandardStreams(input, output, error);
},
quit() {
FS.initialized = false;
// force-flush all streams, so we get musl std streams printed out
_fflush(0);
// close all of our streams
for (var stream of FS.streams) {
if (stream) {
FS.close(stream);
}
}
},
findObject(path, dontResolveLastLink) {
var ret = FS.analyzePath(path, dontResolveLastLink);
if (!ret.exists) {
return null;
}
return ret.object;
},
analyzePath(path, dontResolveLastLink) {
// operate from within the context of the symlink's target
try {
var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
path = lookup.path;
} catch (e) {
}
var ret = {
isRoot: false, exists: false, error: 0, name: null, path: null, object: null,
parentExists: false, parentPath: null, parentObject: null
};
try {
var lookup = FS.lookupPath(path, { parent: true });
ret.parentExists = true;
ret.parentPath = lookup.path;
ret.parentObject = lookup.node;
ret.name = PATH.basename(path);
lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
ret.exists = true;
ret.path = lookup.path;
ret.object = lookup.node;
ret.name = lookup.node.name;
ret.isRoot = lookup.path === '/';
} catch (e) {
ret.error = e.errno;
};
return ret;
},
createPath(parent, path, canRead, canWrite) {
parent = typeof parent == 'string' ? parent : FS.getPath(parent);
var parts = path.split('/').reverse();
while (parts.length) {
var part = parts.pop();
if (!part) continue;
var current = PATH.join2(parent, part);
try {
FS.mkdir(current);
} catch (e) {
if (e.errno != 20) throw e;
}
parent = current;
}
return current;
},
createFile(parent, name, properties, canRead, canWrite) {
var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name);
var mode = FS_getMode(canRead, canWrite);
return FS.create(path, mode);
},
createDataFile(parent, name, data, canRead, canWrite, canOwn) {
var path = name;
if (parent) {
parent = typeof parent == 'string' ? parent : FS.getPath(parent);
path = name ? PATH.join2(parent, name) : parent;
}
var mode = FS_getMode(canRead, canWrite);
var node = FS.create(path, mode);
if (data) {
if (typeof data == 'string') {
var arr = new Array(data.length);
for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
data = arr;
}
// make sure we can write to the file
FS.chmod(node, mode | 146);
var stream = FS.open(node, 577);
FS.write(stream, data, 0, data.length, 0, canOwn);
FS.close(stream);
FS.chmod(node, mode);
}
},
createDevice(parent, name, input, output) {
var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name);
var mode = FS_getMode(!!input, !!output);
FS.createDevice.major ??= 64;
var dev = FS.makedev(FS.createDevice.major++, 0);
// Create a fake device that a set of stream ops to emulate
// the old behavior.
FS.registerDevice(dev, {
open(stream) {
stream.seekable = false;
},
close(stream) {
// flush any pending line data
if (output?.buffer?.length) {
output(10);
}
},
read(stream, buffer, offset, length, pos /* ignored */) {
var bytesRead = 0;
for (var i = 0; i < length; i++) {
var result;
try {
result = input();
} catch (e) {
throw new FS.ErrnoError(29);
}
if (result === undefined && bytesRead === 0) {
throw new FS.ErrnoError(6);
}
if (result === null || result === undefined) break;
bytesRead++;
buffer[offset+i] = result;
}
if (bytesRead) {
stream.node.atime = Date.now();
}
return bytesRead;
},
write(stream, buffer, offset, length, pos) {
for (var i = 0; i < length; i++) {
try {
output(buffer[offset+i]);
} catch (e) {
throw new FS.ErrnoError(29);
}
}
if (length) {
stream.node.mtime = stream.node.ctime = Date.now();
}
return i;
}
});
return FS.mkdev(path, mode, dev);
},
forceLoadFile(obj) {
if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
if (typeof XMLHttpRequest != 'undefined') {
throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
} else { // Command-line.
try {
obj.contents = readBinary(obj.url);
obj.usedBytes = obj.contents.length;
} catch (e) {
throw new FS.ErrnoError(29);
}
}
},
createLazyFile(parent, name, url, canRead, canWrite) {
// Lazy chunked Uint8Array (implements get and length from Uint8Array).
// Actual getting is abstracted away for eventual reuse.
class LazyUint8Array {
lengthKnown = false;
chunks = []; // Loaded chunks. Index is the chunk number
get(idx) {
if (idx > this.length-1 || idx < 0) {
return undefined;
}
var chunkOffset = idx % this.chunkSize;
var chunkNum = (idx / this.chunkSize)|0;
return this.getter(chunkNum)[chunkOffset];
}
setDataGetter(getter) {
this.getter = getter;
}
cacheLength() {
// Find length
var xhr = new XMLHttpRequest();
xhr.open('HEAD', url, false);
xhr.send(null);
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
var datalength = Number(xhr.getResponseHeader("Content-length"));
var header;
var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
var chunkSize = 1024*1024; // Chunk size in bytes
if (!hasByteServing) chunkSize = datalength;
// Function to get a range from the remote URL.
var doXHR = (from, to) => {
if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!");
// TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
// Some hints to the browser that we want binary data.
xhr.responseType = 'arraybuffer';
if (xhr.overrideMimeType) {
xhr.overrideMimeType('text/plain; charset=x-user-defined');
}
xhr.send(null);
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
if (xhr.response !== undefined) {
return new Uint8Array(/** @type{Array<number>} */(xhr.response || []));
}
return intArrayFromString(xhr.responseText || '', true);
};
var lazyArray = this;
lazyArray.setDataGetter((chunkNum) => {
var start = chunkNum * chunkSize;
var end = (chunkNum+1) * chunkSize - 1; // including this byte
end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
if (typeof lazyArray.chunks[chunkNum] == 'undefined') {
lazyArray.chunks[chunkNum] = doXHR(start, end);
}
if (typeof lazyArray.chunks[chunkNum] == 'undefined') throw new Error('doXHR failed!');
return lazyArray.chunks[chunkNum];
});
if (usesGzip || !datalength) {
// if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file
datalength = this.getter(0).length;
chunkSize = datalength;
out("LazyFiles on gzip forces download of the whole file when length is accessed");
}
this._length = datalength;
this._chunkSize = chunkSize;
this.lengthKnown = true;
}
get length() {
if (!this.lengthKnown) {
this.cacheLength();
}
return this._length;
}
get chunkSize() {
if (!this.lengthKnown) {
this.cacheLength();
}
return this._chunkSize;
}
}
if (typeof XMLHttpRequest != 'undefined') {
if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
var lazyArray = new LazyUint8Array();
var properties = { isDevice: false, contents: lazyArray };
} else {
var properties = { isDevice: false, url: url };
}
var node = FS.createFile(parent, name, properties, canRead, canWrite);
// This is a total hack, but I want to get this lazy file code out of the
// core of MEMFS. If we want to keep this lazy file concept I feel it should
// be its own thin LAZYFS proxying calls to MEMFS.
if (properties.contents) {
node.contents = properties.contents;
} else if (properties.url) {
node.contents = null;
node.url = properties.url;
}
// Add a function that defers querying the file size until it is asked the first time.
Object.defineProperties(node, {
usedBytes: {
get: function() { return this.contents.length; }
}
});
// override each stream op with one that tries to force load the lazy file first
var stream_ops = {};
var keys = Object.keys(node.stream_ops);
keys.forEach((key) => {
var fn = node.stream_ops[key];
stream_ops[key] = (...args) => {
FS.forceLoadFile(node);
return fn(...args);
};
});
function writeChunks(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= contents.length)
return 0;
var size = Math.min(contents.length - position, length);
assert(size >= 0);
if (contents.slice) { // normal array
for (var i = 0; i < size; i++) {
buffer[offset + i] = contents[position + i];
}
} else {
for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR
buffer[offset + i] = contents.get(position + i);
}
}
return size;
}
// use a custom read function
stream_ops.read = (stream, buffer, offset, length, position) => {
FS.forceLoadFile(node);
return writeChunks(stream, buffer, offset, length, position)
};
// use a custom mmap function
stream_ops.mmap = (stream, length, position, prot, flags) => {
FS.forceLoadFile(node);
var ptr = mmapAlloc(length);
if (!ptr) {
throw new FS.ErrnoError(48);
}
writeChunks(stream, HEAP8, ptr, length, position);
return { ptr, allocated: true };
};
node.stream_ops = stream_ops;
return node;
},
absolutePath() {
abort('FS.absolutePath has been removed; use PATH_FS.resolve instead');
},
createFolder() {
abort('FS.createFolder has been removed; use FS.mkdir instead');
},
createLink() {
abort('FS.createLink has been removed; use FS.symlink instead');
},
joinPath() {
abort('FS.joinPath has been removed; use PATH.join instead');
},
mmapAlloc() {
abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc');
},
standardizePath() {
abort('FS.standardizePath has been removed; use PATH.normalize instead');
},
};
var SYSCALLS = {
DEFAULT_POLLMASK:5,
calculateAt(dirfd, path, allowEmpty) {
if (PATH.isAbs(path)) {
return path;
}
// relative path
var dir;
if (dirfd === -100) {
dir = FS.cwd();
} else {
var dirstream = SYSCALLS.getStreamFromFD(dirfd);
dir = dirstream.path;
}
if (path.length == 0) {
if (!allowEmpty) {
throw new FS.ErrnoError(44);;
}
return dir;
}
return dir + '/' + path;
},
writeStat(buf, stat) {
HEAP32[((buf)>>2)] = stat.dev;
HEAP32[(((buf)+(4))>>2)] = stat.mode;
HEAPU32[(((buf)+(8))>>2)] = stat.nlink;
HEAP32[(((buf)+(12))>>2)] = stat.uid;
HEAP32[(((buf)+(16))>>2)] = stat.gid;
HEAP32[(((buf)+(20))>>2)] = stat.rdev;
HEAP64[(((buf)+(24))>>3)] = BigInt(stat.size);
HEAP32[(((buf)+(32))>>2)] = 4096;
HEAP32[(((buf)+(36))>>2)] = stat.blocks;
var atime = stat.atime.getTime();
var mtime = stat.mtime.getTime();
var ctime = stat.ctime.getTime();
HEAP64[(((buf)+(40))>>3)] = BigInt(Math.floor(atime / 1000));
HEAPU32[(((buf)+(48))>>2)] = (atime % 1000) * 1000 * 1000;
HEAP64[(((buf)+(56))>>3)] = BigInt(Math.floor(mtime / 1000));
HEAPU32[(((buf)+(64))>>2)] = (mtime % 1000) * 1000 * 1000;
HEAP64[(((buf)+(72))>>3)] = BigInt(Math.floor(ctime / 1000));
HEAPU32[(((buf)+(80))>>2)] = (ctime % 1000) * 1000 * 1000;
HEAP64[(((buf)+(88))>>3)] = BigInt(stat.ino);
return 0;
},
writeStatFs(buf, stats) {
HEAP32[(((buf)+(4))>>2)] = stats.bsize;
HEAP32[(((buf)+(40))>>2)] = stats.bsize;
HEAP32[(((buf)+(8))>>2)] = stats.blocks;
HEAP32[(((buf)+(12))>>2)] = stats.bfree;
HEAP32[(((buf)+(16))>>2)] = stats.bavail;
HEAP32[(((buf)+(20))>>2)] = stats.files;
HEAP32[(((buf)+(24))>>2)] = stats.ffree;
HEAP32[(((buf)+(28))>>2)] = stats.fsid;
HEAP32[(((buf)+(44))>>2)] = stats.flags; // ST_NOSUID
HEAP32[(((buf)+(36))>>2)] = stats.namelen;
},
doMsync(addr, stream, len, flags, offset) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
if (flags & 2) {
// MAP_PRIVATE calls need not to be synced back to underlying fs
return 0;
}
var buffer = HEAPU8.slice(addr, addr + len);
FS.msync(stream, buffer, offset, len, flags);
},
getStreamFromFD(fd) {
var stream = FS.getStreamChecked(fd);
return stream;
},
varargs:undefined,
getStr(ptr) {
var ret = UTF8ToString(ptr);
return ret;
},
};
function ___syscall_dup(fd) {
if (ENVIRONMENT_IS_PTHREAD)
return proxyToMainThread(2, 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;
}
}
/** @suppress {duplicate } */
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(3, 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(4, 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;
}
}
function ___syscall_ioctl(fd, op, varargs) {
if (ENVIRONMENT_IS_PTHREAD)
return proxyToMainThread(5, 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; // no-op, not actually adjusting terminal settings
}
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; // no-op, not actually adjusting terminal settings
}
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; // not supported
}
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; // not supported
}
} 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(6, 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_mkdirat(dirfd, path, mode) {
if (ENVIRONMENT_IS_PTHREAD)
return proxyToMainThread(7, 0, 1, dirfd, path, mode);
try {
path = SYSCALLS.getStr(path);
path = SYSCALLS.calculateAt(dirfd, path);
FS.mkdir(path, mode, 0);
return 0;
} 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(8, 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(9, 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(10, 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 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_init_charCodes = () => {
var codes = new Array(256);
for (var i = 0; i < 256; ++i) {
codes[i] = String.fromCharCode(i);
}
embind_charCodes = codes;
};
var embind_charCodes;
var readLatin1String = (ptr) => {
var ret = "";
var c = ptr;
while (HEAPU8[c]) {
ret += embind_charCodes[HEAPU8[c++]];
}
return ret;
};
var awaitingDependencies = {
};
var registeredTypes = {
};
var typeDependencies = {
};
var BindingError = Module['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 '${name}' twice`);
}
}
registeredTypes[rawType] = registeredInstance;
delete typeDependencies[rawType];
if (awaitingDependencies.hasOwnProperty(rawType)) {
var callbacks = awaitingDependencies[rawType];
delete awaitingDependencies[rawType];
callbacks.forEach((cb) => cb());
}
}
/** @param {Object=} options */
function registerType(rawType, registeredInstance, options = {}) {
if (registeredInstance.argPackAdvance === undefined) {
throw new TypeError('registerType registeredInstance requires argPackAdvance');
}
return sharedRegisterType(rawType, registeredInstance, options);
}
var integerReadValueFromPointer = (name, width, signed) => {
// integers are quite common, so generate very specialized functions
switch (width) {
case 1: return signed ?
(pointer) => HEAP8[pointer] :
(pointer) => HEAPU8[pointer];
case 2: return signed ?
(pointer) => HEAP16[((pointer)>>1)] :
(pointer) => HEAPU16[((pointer)>>1)]
case 4: return signed ?
(pointer) => HEAP32[((pointer)>>2)] :
(pointer) => HEAPU32[((pointer)>>2)]
case 8: return signed ?
(pointer) => HEAP64[((pointer)>>3)] :
(pointer) => HEAPU64[((pointer)>>3)]
default:
throw new TypeError(`invalid integer width (${width}): ${name}`);
}
};
/** @suppress {globalThis} */
var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => {
name = readLatin1String(name);
var isUnsignedType = (name.indexOf('u') != -1);
// maxRange comes through as -1 for uint64_t (see issue 13902). Work around that temporarily
if (isUnsignedType) {
maxRange = (1n << 64n) - 1n;
}
registerType(primitiveType, {
name,
'fromWireType': (value) => value,
'toWireType': function(destructors, value) {
if (typeof value != "bigint" && typeof value != "number") {
throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${this.name}`);
}
if (typeof value == "number") {
value = BigInt(value);
}
if (value < minRange || value > maxRange) {
throw new TypeError(`Passing a number "${embindRepr(value)}" from JS side to C/C++ side to an argument of type "${name}", which is outside the valid range [${minRange}, ${maxRange}]!`);
}
return value;
},
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': integerReadValueFromPointer(name, size, !isUnsignedType),
destructorFunction: null, // This type does not need a destructor
});
};
var GenericWireTypeSize = 8;
/** @suppress {globalThis} */
var __embind_register_bool = (rawType, name, trueValue, falseValue) => {
name = readLatin1String(name);
registerType(rawType, {
name,
'fromWireType': function(wt) {
// ambiguous emscripten ABI: sometimes return values are
// true or false, and sometimes integers (0 or 1)
return !!wt;
},
'toWireType': function(destructors, o) {
return o ? trueValue : falseValue;
},
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': function(pointer) {
return this['fromWireType'](HEAPU8[pointer]);
},
destructorFunction: null, // This type does not need a destructor
});
};
var shallowCopyInternalPointer = (o) => {
return {
count: o.count,
deleteScheduled: o.deleteScheduled,
preservePointerOnDelete: o.preservePointerOnDelete,
ptr: o.ptr,
ptrType: o.ptrType,
smartPtr: o.smartPtr,
smartPtrType: o.smartPtrType,
};
};
var throwInstanceAlreadyDeleted = (obj) => {
function getInstanceTypeName(handle) {
return handle.$$.ptrType.registeredClass.name;
}
throwBindingError(getInstanceTypeName(obj) + ' instance already deleted');
};
var finalizationRegistry = false;
var detachFinalizer = (handle) => {};
var runDestructor = ($$) => {
if ($$.smartPtr) {
$$.smartPtrType.rawDestructor($$.smartPtr);
} else {
$$.ptrType.registeredClass.rawDestructor($$.ptr);
}
};
var releaseClassHandle = ($$) => {
$$.count.value -= 1;
var toDelete = 0 === $$.count.value;
if (toDelete) {
runDestructor($$);
}
};
var downcastPointer = (ptr, ptrClass, desiredClass) => {
if (ptrClass === desiredClass) {
return ptr;
}
if (undefined === desiredClass.baseClass) {
return null; // no conversion
}
var rv = downcastPointer(ptr, ptrClass, desiredClass.baseClass);
if (rv === null) {
return null;
}
return desiredClass.downcast(rv);
};
var registeredPointers = {
};
var registeredInstances = {
};
var getBasestPointer = (class_, ptr) => {
if (ptr === undefined) {
throwBindingError('ptr should not be undefined');
}
while (class_.baseClass) {
ptr = class_.upcast(ptr);
class_ = class_.baseClass;
}
return ptr;
};
var getInheritedInstance = (class_, ptr) => {
ptr = getBasestPointer(class_, ptr);
return registeredInstances[ptr];
};
var InternalError = Module['InternalError'] = class InternalError extends Error { constructor(message) { super(message); this.name = 'InternalError'; }};
var throwInternalError = (message) => { throw new InternalError(message); };
var makeClassHandle = (prototype, record) => {
if (!record.ptrType || !record.ptr) {
throwInternalError('makeClassHandle requires ptr and ptrType');
}
var hasSmartPtrType = !!record.smartPtrType;
var hasSmartPtr = !!record.smartPtr;
if (hasSmartPtrType !== hasSmartPtr) {
throwInternalError('Both smartPtrType and smartPtr must be specified');
}
record.count = { value: 1 };
return attachFinalizer(Object.create(prototype, {
$$: {
value: record,
writable: true,
},
}));
};
/** @suppress {globalThis} */
function RegisteredPointer_fromWireType(ptr) {
// ptr is a raw pointer (or a raw smartpointer)
// rawPointer is a maybe-null raw pointer
var rawPointer = this.getPointee(ptr);
if (!rawPointer) {
this.destructor(ptr);
return null;
}
var registeredInstance = getInheritedInstance(this.registeredClass, rawPointer);
if (undefined !== registeredInstance) {
// JS object has been neutered, time to repopulate it
if (0 === registeredInstance.$$.count.value) {
registeredInstance.$$.ptr = rawPointer;
registeredInstance.$$.smartPtr = ptr;
return registeredInstance['clone']();
} else {
// else, just increment reference count on existing object
// it already has a reference to the smart pointer
var rv = registeredInstance['clone']();
this.destructor(ptr);
return rv;
}
}
function makeDefaultHandle() {
if (this.isSmartPointer) {
return makeClassHandle(this.registeredClass.instancePrototype, {
ptrType: this.pointeeType,
ptr: rawPointer,
smartPtrType: this,
smartPtr: ptr,
});
} else {
return makeClassHandle(this.registeredClass.instancePrototype, {
ptrType: this,
ptr,
});
}
}
var actualType = this.registeredClass.getActualType(rawPointer);
var registeredPointerRecord = registeredPointers[actualType];
if (!registeredPointerRecord) {
return makeDefaultHandle.call(this);
}
var toType;
if (this.isConst) {
toType = registeredPointerRecord.constPointerType;
} else {
toType = registeredPointerRecord.pointerType;
}
var dp = downcastPointer(
rawPointer,
this.registeredClass,
toType.registeredClass);
if (dp === null) {
return makeDefaultHandle.call(this);
}
if (this.isSmartPointer) {
return makeClassHandle(toType.registeredClass.instancePrototype, {
ptrType: toType,
ptr: dp,
smartPtrType: this,
smartPtr: ptr,
});
} else {
return makeClassHandle(toType.registeredClass.instancePrototype, {
ptrType: toType,
ptr: dp,
});
}
}
var attachFinalizer = (handle) => {
if ('undefined' === typeof FinalizationRegistry) {
attachFinalizer = (handle) => handle;
return handle;
}
// If the running environment has a FinalizationRegistry (see
// https://github.com/tc39/proposal-weakrefs), then attach finalizers
// for class handles. We check for the presence of FinalizationRegistry
// at run-time, not build-time.
finalizationRegistry = new FinalizationRegistry((info) => {
console.warn(info.leakWarning);
releaseClassHandle(info.$$);
});
attachFinalizer = (handle) => {
var $$ = handle.$$;
var hasSmartPtr = !!$$.smartPtr;
if (hasSmartPtr) {
// We should not call the destructor on raw pointers in case other code expects the pointee to live
var info = { $$: $$ };
// Create a warning as an Error instance in advance so that we can store
// the current stacktrace and point to it when / if a leak is detected.
// This is more useful than the empty stacktrace of `FinalizationRegistry`
// callback.
var cls = $$.ptrType.registeredClass;
var err = new Error(`Embind found a leaked C++ instance ${cls.name} <${ptrToString($$.ptr)}>.\n` +
"We'll free it automatically in this case, but this functionality is not reliable across various environments.\n" +
"Make sure to invoke .delete() manually once you're done with the instance instead.\n" +
"Originally allocated"); // `.stack` will add "at ..." after this sentence
if ('captureStackTrace' in Error) {
Error.captureStackTrace(err, RegisteredPointer_fromWireType);
}
info.leakWarning = err.stack.replace(/^Error: /, '');
finalizationRegistry.register(handle, info, handle);
}
return handle;
};
detachFinalizer = (handle) => finalizationRegistry.unregister(handle);
return attachFinalizer(handle);
};
var deletionQueue = [];
var flushPendingDeletes = () => {
while (deletionQueue.length) {
var obj = deletionQueue.pop();
obj.$$.deleteScheduled = false;
obj['delete']();
}
};
var delayFunction;
var init_ClassHandle = () => {
let proto = ClassHandle.prototype;
Object.assign(proto, {
"isAliasOf"(other) {
if (!(this instanceof ClassHandle)) {
return false;
}
if (!(other instanceof ClassHandle)) {
return false;
}
var leftClass = this.$$.ptrType.registeredClass;
var left = this.$$.ptr;
other.$$ = /** @type {Object} */ (other.$$);
var rightClass = other.$$.ptrType.registeredClass;
var right = other.$$.ptr;
while (leftClass.baseClass) {
left = leftClass.upcast(left);
leftClass = leftClass.baseClass;
}
while (rightClass.baseClass) {
right = rightClass.upcast(right);
rightClass = rightClass.baseClass;
}
return leftClass === rightClass && left === right;
},
"clone"() {
if (!this.$$.ptr) {
throwInstanceAlreadyDeleted(this);
}
if (this.$$.preservePointerOnDelete) {
this.$$.count.value += 1;
return this;
} else {
var clone = attachFinalizer(Object.create(Object.getPrototypeOf(this), {
$$: {
value: shallowCopyInternalPointer(this.$$),
}
}));
clone.$$.count.value += 1;
clone.$$.deleteScheduled = false;
return clone;
}
},
"delete"() {
if (!this.$$.ptr) {
throwInstanceAlreadyDeleted(this);
}
if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) {
throwBindingError('Object already scheduled for deletion');
}
detachFinalizer(this);
releaseClassHandle(this.$$);
if (!this.$$.preservePointerOnDelete) {
this.$$.smartPtr = undefined;
this.$$.ptr = undefined;
}
},
"isDeleted"() {
return !this.$$.ptr;
},
"deleteLater"() {
if (!this.$$.ptr) {
throwInstanceAlreadyDeleted(this);
}
if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) {
throwBindingError('Object already scheduled for deletion');
}
deletionQueue.push(this);
if (deletionQueue.length === 1 && delayFunction) {
delayFunction(flushPendingDeletes);
}
this.$$.deleteScheduled = true;
return this;
},
});
// Support `using ...` from https://github.com/tc39/proposal-explicit-resource-management.
const symbolDispose = Symbol.dispose;
if (symbolDispose) {
proto[symbolDispose] = proto['delete'];
}
};
/** @constructor */
function ClassHandle() {
}
var createNamedFunction = (name, func) => Object.defineProperty(func, 'name', { value: name });
var ensureOverloadTable = (proto, methodName, humanName) => {
if (undefined === proto[methodName].overloadTable) {
var prevFunc = proto[methodName];
// Inject an overload resolver function that routes to the appropriate overload based on the number of arguments.
proto[methodName] = function(...args) {
// TODO This check can be removed in -O3 level "unsafe" optimizations.
if (!proto[methodName].overloadTable.hasOwnProperty(args.length)) {
throwBindingError(`Function '${humanName}' called with an invalid number of arguments (${args.length}) - expects one of (${proto[methodName].overloadTable})!`);
}
return proto[methodName].overloadTable[args.length].apply(this, args);
};
// Move the previous function into the overload table.
proto[methodName].overloadTable = [];
proto[methodName].overloadTable[prevFunc.argCount] = prevFunc;
}
};
/** @param {number=} numArguments */
var exposePublicSymbol = (name, value, numArguments) => {
if (Module.hasOwnProperty(name)) {
if (undefined === numArguments || (undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments])) {
throwBindingError(`Cannot register public name '${name}' twice`);
}
// We are exposing a function with the same name as an existing function. Create an overload table and a function selector
// that routes between the two.
ensureOverloadTable(Module, name, name);
if (Module[name].overloadTable.hasOwnProperty(numArguments)) {
throwBindingError(`Cannot register multiple overloads of a function with the same number of arguments (${numArguments})!`);
}
// Add the new function into the overload table.
Module[name].overloadTable[numArguments] = value;
} else {
Module[name] = value;
Module[name].argCount = numArguments;
}
};
var char_0 = 48;
var char_9 = 57;
var makeLegalFunctionName = (name) => {
assert(typeof name === 'string');
name = name.replace(/[^a-zA-Z0-9_]/g, '$');
var f = name.charCodeAt(0);
if (f >= char_0 && f <= char_9) {
return `_${name}`;
}
return name;
};
/** @constructor */
function RegisteredClass(name,
constructor,
instancePrototype,
rawDestructor,
baseClass,
getActualType,
upcast,
downcast) {
this.name = name;
this.constructor = constructor;
this.instancePrototype = instancePrototype;
this.rawDestructor = rawDestructor;
this.baseClass = baseClass;
this.getActualType = getActualType;
this.upcast = upcast;
this.downcast = downcast;
this.pureVirtualFunctions = [];
}
var upcastPointer = (ptr, ptrClass, desiredClass) => {
while (ptrClass !== desiredClass) {
if (!ptrClass.upcast) {
throwBindingError(`Expected null or instance of ${desiredClass.name}, got an instance of ${ptrClass.name}`);
}
ptr = ptrClass.upcast(ptr);
ptrClass = ptrClass.baseClass;
}
return ptr;
};
/** @suppress {globalThis} */
function constNoSmartPtrRawPointerToWireType(destructors, handle) {
if (handle === null) {
if (this.isReference) {
throwBindingError(`null is not a valid ${this.name}`);
}
return 0;
}
if (!handle.$$) {
throwBindingError(`Cannot pass "${embindRepr(handle)}" as a ${this.name}`);
}
if (!handle.$$.ptr) {
throwBindingError(`Cannot pass deleted object as a pointer of type ${this.name}`);
}
var handleClass = handle.$$.ptrType.registeredClass;
var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
return ptr;
}
/** @suppress {globalThis} */
function genericPointerToWireType(destructors, handle) {
var ptr;
if (handle === null) {
if (this.isReference) {
throwBindingError(`null is not a valid ${this.name}`);
}
if (this.isSmartPointer) {
ptr = this.rawConstructor();
if (destructors !== null) {
destructors.push(this.rawDestructor, ptr);
}
return ptr;
} else {
return 0;
}
}
if (!handle || !handle.$$) {
throwBindingError(`Cannot pass "${embindRepr(handle)}" as a ${this.name}`);
}
if (!handle.$$.ptr) {
throwBindingError(`Cannot pass deleted object as a pointer of type ${this.name}`);
}
if (!this.isConst && handle.$$.ptrType.isConst) {
throwBindingError(`Cannot convert argument of type ${(handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name)} to parameter type ${this.name}`);
}
var handleClass = handle.$$.ptrType.registeredClass;
ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
if (this.isSmartPointer) {
// TODO: this is not strictly true
// We could support BY_EMVAL conversions from raw pointers to smart pointers
// because the smart pointer can hold a reference to the handle
if (undefined === handle.$$.smartPtr) {
throwBindingError('Passing raw pointer to smart pointer is illegal');
}
switch (this.sharingPolicy) {
case 0: // NONE
// no upcasting
if (handle.$$.smartPtrType === this) {
ptr = handle.$$.smartPtr;
} else {
throwBindingError(`Cannot convert argument of type ${(handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name)} to parameter type ${this.name}`);
}
break;
case 1: // INTRUSIVE
ptr = handle.$$.smartPtr;
break;
case 2: // BY_EMVAL
if (handle.$$.smartPtrType === this) {
ptr = handle.$$.smartPtr;
} else {
var clonedHandle = handle['clone']();
ptr = this.rawShare(
ptr,
Emval.toHandle(() => clonedHandle['delete']())
);
if (destructors !== null) {
destructors.push(this.rawDestructor, ptr);
}
}
break;
default:
throwBindingError('Unsupporting sharing policy');
}
}
return ptr;
}
/** @suppress {globalThis} */
function nonConstNoSmartPtrRawPointerToWireType(destructors, handle) {
if (handle === null) {
if (this.isReference) {
throwBindingError(`null is not a valid ${this.name}`);
}
return 0;
}
if (!handle.$$) {
throwBindingError(`Cannot pass "${embindRepr(handle)}" as a ${this.name}`);
}
if (!handle.$$.ptr) {
throwBindingError(`Cannot pass deleted object as a pointer of type ${this.name}`);
}
if (handle.$$.ptrType.isConst) {
throwBindingError(`Cannot convert argument of type ${handle.$$.ptrType.name} to parameter type ${this.name}`);
}
var handleClass = handle.$$.ptrType.registeredClass;
var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
return ptr;
}
/** @suppress {globalThis} */
function readPointer(pointer) {
return this['fromWireType'](HEAPU32[((pointer)>>2)]);
}
var init_RegisteredPointer = () => {
Object.assign(RegisteredPointer.prototype, {
getPointee(ptr) {
if (this.rawGetPointee) {
ptr = this.rawGetPointee(ptr);
}
return ptr;
},
destructor(ptr) {
this.rawDestructor?.(ptr);
},
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': readPointer,
'fromWireType': RegisteredPointer_fromWireType,
});
};
/** @constructor
@param {*=} pointeeType,
@param {*=} sharingPolicy,
@param {*=} rawGetPointee,
@param {*=} rawConstructor,
@param {*=} rawShare,
@param {*=} rawDestructor,
*/
function RegisteredPointer(
name,
registeredClass,
isReference,
isConst,
// smart pointer properties
isSmartPointer,
pointeeType,
sharingPolicy,
rawGetPointee,
rawConstructor,
rawShare,
rawDestructor
) {
this.name = name;
this.registeredClass = registeredClass;
this.isReference = isReference;
this.isConst = isConst;
// smart pointer properties
this.isSmartPointer = isSmartPointer;
this.pointeeType = pointeeType;
this.sharingPolicy = sharingPolicy;
this.rawGetPointee = rawGetPointee;
this.rawConstructor = rawConstructor;
this.rawShare = rawShare;
this.rawDestructor = rawDestructor;
if (!isSmartPointer && registeredClass.baseClass === undefined) {
if (isConst) {
this['toWireType'] = constNoSmartPtrRawPointerToWireType;
this.destructorFunction = null;
} else {
this['toWireType'] = nonConstNoSmartPtrRawPointerToWireType;
this.destructorFunction = null;
}
} else {
this['toWireType'] = genericPointerToWireType;
// Here we must leave this.destructorFunction undefined, since whether genericPointerToWireType returns
// a pointer that needs to be freed up is runtime-dependent, and cannot be evaluated at registration time.
// TODO: Create an alternative mechanism that allows removing the use of var destructors = []; array in
// craftInvokerFunction altogether.
}
}
/** @param {number=} numArguments */
var replacePublicSymbol = (name, value, numArguments) => {
if (!Module.hasOwnProperty(name)) {
throwInternalError('Replacing nonexistent public symbol');
}
// If there's an overload table for this symbol, replace the symbol in the overload table instead.
if (undefined !== Module[name].overloadTable && undefined !== numArguments) {
Module[name].overloadTable[numArguments] = value;
} else {
Module[name] = value;
Module[name].argCount = numArguments;
}
};
var embind__requireFunction = (signature, rawFunction, isAsync = false) => {
signature = readLatin1String(signature);
function makeDynCaller() {
var rtn = getWasmTableEntry(rawFunction);
if (isAsync) {
rtn = WebAssembly.promising(rtn);
}
return rtn;
}
var fp = makeDynCaller();
if (typeof fp != 'function') {
throwBindingError(`unknown function pointer with signature ${signature}: ${rawFunction}`);
}
return fp;
};
class UnboundTypeError extends Error {}
var getTypeName = (type) => {
var ptr = ___getTypeName(type);
var rv = readLatin1String(ptr);
_free(ptr);
return rv;
};
var throwUnboundTypeError = (message, types) => {
var unboundTypes = [];
var seen = {};
function visit(type) {
if (seen[type]) {
return;
}
if (registeredTypes[type]) {
return;
}
if (typeDependencies[type]) {
typeDependencies[type].forEach(visit);
return;
}
unboundTypes.push(type);
seen[type] = true;
}
types.forEach(visit);
throw new UnboundTypeError(`${message}: ` + unboundTypes.map(getTypeName).join([', ']));
};
var whenDependentTypesAreResolved = (myTypes, dependentTypes, getTypeConverters) => {
myTypes.forEach((type) => typeDependencies[type] = dependentTypes);
function onComplete(typeConverters) {
var myTypeConverters = getTypeConverters(typeConverters);
if (myTypeConverters.length !== myTypes.length) {
throwInternalError('Mismatched type converter count');
}
for (var i = 0; i < myTypes.length; ++i) {
registerType(myTypes[i], myTypeConverters[i]);
}
}
var typeConverters = new Array(dependentTypes.length);
var unregisteredTypes = [];
var registered = 0;
dependentTypes.forEach((dt, i) => {
if (registeredTypes.hasOwnProperty(dt)) {
typeConverters[i] = registeredTypes[dt];
} else {
unregisteredTypes.push(dt);
if (!awaitingDependencies.hasOwnProperty(dt)) {
awaitingDependencies[dt] = [];
}
awaitingDependencies[dt].push(() => {
typeConverters[i] = registeredTypes[dt];
++registered;
if (registered === unregisteredTypes.length) {
onComplete(typeConverters);
}
});
}
});
if (0 === unregisteredTypes.length) {
onComplete(typeConverters);
}
};
var __embind_register_class = (rawType,
rawPointerType,
rawConstPointerType,
baseClassRawType,
getActualTypeSignature,
getActualType,
upcastSignature,
upcast,
downcastSignature,
downcast,
name,
destructorSignature,
rawDestructor) => {
name = readLatin1String(name);
getActualType = embind__requireFunction(getActualTypeSignature, getActualType);
upcast &&= embind__requireFunction(upcastSignature, upcast);
downcast &&= embind__requireFunction(downcastSignature, downcast);
rawDestructor = embind__requireFunction(destructorSignature, rawDestructor);
var legalFunctionName = makeLegalFunctionName(name);
exposePublicSymbol(legalFunctionName, function() {
// this code cannot run if baseClassRawType is zero
throwUnboundTypeError(`Cannot construct ${name} due to unbound types`, [baseClassRawType]);
});
whenDependentTypesAreResolved(
[rawType, rawPointerType, rawConstPointerType],
baseClassRawType ? [baseClassRawType] : [],
(base) => {
base = base[0];
var baseClass;
var basePrototype;
if (baseClassRawType) {
baseClass = base.registeredClass;
basePrototype = baseClass.instancePrototype;
} else {
basePrototype = ClassHandle.prototype;
}
var constructor = createNamedFunction(name, function(...args) {
if (Object.getPrototypeOf(this) !== instancePrototype) {
throw new BindingError(`Use 'new' to construct ${name}`);
}
if (undefined === registeredClass.constructor_body) {
throw new BindingError(`${name} has no accessible constructor`);
}
var body = registeredClass.constructor_body[args.length];
if (undefined === body) {
throw new BindingError(`Tried to invoke ctor of ${name} with invalid number of parameters (${args.length}) - expected (${Object.keys(registeredClass.constructor_body).toString()}) parameters instead!`);
}
return body.apply(this, args);
});
var instancePrototype = Object.create(basePrototype, {
constructor: { value: constructor },
});
constructor.prototype = instancePrototype;
var registeredClass = new RegisteredClass(name,
constructor,
instancePrototype,
rawDestructor,
baseClass,
getActualType,
upcast,
downcast);
if (registeredClass.baseClass) {
// Keep track of class hierarchy. Used to allow sub-classes to inherit class functions.
registeredClass.baseClass.__derivedClasses ??= [];
registeredClass.baseClass.__derivedClasses.push(registeredClass);
}
var referenceConverter = new RegisteredPointer(name,
registeredClass,
true,
false,
false);
var pointerConverter = new RegisteredPointer(name + '*',
registeredClass,
false,
false,
false);
var constPointerConverter = new RegisteredPointer(name + ' const*',
registeredClass,
false,
true,
false);
registeredPointers[rawType] = {
pointerType: pointerConverter,
constPointerType: constPointerConverter
};
replacePublicSymbol(legalFunctionName, constructor);
return [referenceConverter, pointerConverter, constPointerConverter];
}
);
};
var emval_freelist = [];
var emval_handles = [];
var __emval_decref = (handle) => {
if (handle > 9 && 0 === --emval_handles[handle + 1]) {
assert(emval_handles[handle] !== undefined, `Decref for unallocated handle.`);
emval_handles[handle] = undefined;
emval_freelist.push(handle);
}
};
var count_emval_handles = () => {
return emval_handles.length / 2 - 5 - emval_freelist.length;
};
var init_emval = () => {
// reserve 0 and some special values. These never get de-allocated.
emval_handles.push(
0, 1,
undefined, 1,
null, 1,
true, 1,
false, 1,
);
assert(emval_handles.length === 5 * 2);
Module['count_emval_handles'] = count_emval_handles;
};
var Emval = {
toValue:(handle) => {
if (!handle) {
throwBindingError(`Cannot use deleted val. handle = ${handle}`);
}
// handle 2 is supposed to be `undefined`.
assert(handle === 2 || emval_handles[handle] !== undefined && handle % 2 === 0, `invalid handle: ${handle}`);
return emval_handles[handle];
},
toHandle:(value) => {
switch (value) {
case undefined: return 2;
case null: return 4;
case true: return 6;
case false: return 8;
default:{
const handle = emval_freelist.pop() || emval_handles.length;
emval_handles[handle] = value;
emval_handles[handle + 1] = 1;
return handle;
}
}
},
};
var EmValType = {
name: 'emscripten::val',
'fromWireType': (handle) => {
var rv = Emval.toValue(handle);
__emval_decref(handle);
return rv;
},
'toWireType': (destructors, value) => Emval.toHandle(value),
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': readPointer,
destructorFunction: null, // This type does not need a destructor
// TODO: do we need a deleteObject here? write a test where
// emval is passed into JS via an interface
};
var __embind_register_emval = (rawType) => registerType(rawType, EmValType);
var enumReadValueFromPointer = (name, width, signed) => {
switch (width) {
case 1: return signed ?
function(pointer) { return this['fromWireType'](HEAP8[pointer]) } :
function(pointer) { return this['fromWireType'](HEAPU8[pointer]) };
case 2: return signed ?
function(pointer) { return this['fromWireType'](HEAP16[((pointer)>>1)]) } :
function(pointer) { return this['fromWireType'](HEAPU16[((pointer)>>1)]) };
case 4: return signed ?
function(pointer) { return this['fromWireType'](HEAP32[((pointer)>>2)]) } :
function(pointer) { return this['fromWireType'](HEAPU32[((pointer)>>2)]) };
default:
throw new TypeError(`invalid integer width (${width}): ${name}`);
}
};
/** @suppress {globalThis} */
var __embind_register_enum = (rawType, name, size, isSigned) => {
name = readLatin1String(name);
function ctor() {}
ctor.values = {};
registerType(rawType, {
name,
constructor: ctor,
'fromWireType': function(c) {
return this.constructor.values[c];
},
'toWireType': (destructors, c) => c.value,
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': enumReadValueFromPointer(name, size, isSigned),
destructorFunction: null,
});
exposePublicSymbol(name, ctor);
};
var requireRegisteredType = (rawType, humanName) => {
var impl = registeredTypes[rawType];
if (undefined === impl) {
throwBindingError(`${humanName} has unknown type ${getTypeName(rawType)}`);
}
return impl;
};
var __embind_register_enum_value = (rawEnumType, name, enumValue) => {
var enumType = requireRegisteredType(rawEnumType, 'enum');
name = readLatin1String(name);
var Enum = enumType.constructor;
var Value = Object.create(enumType.constructor.prototype, {
value: {value: enumValue},
constructor: {value: createNamedFunction(`${enumType.name}_${name}`, function() {})},
});
Enum.values[enumValue] = Value;
Enum[name] = Value;
};
var floatReadValueFromPointer = (name, width) => {
switch (width) {
case 4: return function(pointer) {
return this['fromWireType'](HEAPF32[((pointer)>>2)]);
};
case 8: return function(pointer) {
return this['fromWireType'](HEAPF64[((pointer)>>3)]);
};
default:
throw new TypeError(`invalid float width (${width}): ${name}`);
}
};
var __embind_register_float = (rawType, name, size) => {
name = readLatin1String(name);
registerType(rawType, {
name,
'fromWireType': (value) => value,
'toWireType': (destructors, value) => {
if (typeof value != "number" && typeof value != "boolean") {
throw new TypeError(`Cannot convert ${embindRepr(value)} to ${this.name}`);
}
// The VM will perform JS to Wasm value conversion, according to the spec:
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
return value;
},
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': floatReadValueFromPointer(name, size),
destructorFunction: null, // This type does not need a destructor
});
};
/** @suppress {globalThis} */
var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => {
name = readLatin1String(name);
// LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come
// out as 'i32 -1'. Always treat those as max u32.
if (maxRange === -1) {
maxRange = 4294967295;
}
var fromWireType = (value) => value;
if (minRange === 0) {
var bitshift = 32 - 8*size;
fromWireType = (value) => (value << bitshift) >>> bitshift;
}
var isUnsignedType = (name.includes('unsigned'));
var checkAssertions = (value, toTypeName) => {
if (typeof value != "number" && typeof value != "boolean") {
throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${toTypeName}`);
}
if (value < minRange || value > maxRange) {
throw new TypeError(`Passing a number "${embindRepr(value)}" from JS side to C/C++ side to an argument of type "${name}", which is outside the valid range [${minRange}, ${maxRange}]!`);
}
}
var toWireType;
if (isUnsignedType) {
toWireType = function(destructors, value) {
checkAssertions(value, this.name);
return value >>> 0;
}
} else {
toWireType = function(destructors, value) {
checkAssertions(value, this.name);
// The VM will perform JS to Wasm value conversion, according to the spec:
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
return value;
}
}
registerType(primitiveType, {
name,
'fromWireType': fromWireType,
'toWireType': toWireType,
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': integerReadValueFromPointer(name, size, minRange !== 0),
destructorFunction: null, // This type does not need a destructor
});
};
var __embind_register_memory_view = (rawType, dataTypeIndex, name) => {
var typeMapping = [
Int8Array,
Uint8Array,
Int16Array,
Uint16Array,
Int32Array,
Uint32Array,
Float32Array,
Float64Array,
BigInt64Array,
BigUint64Array,
];
var TA = typeMapping[dataTypeIndex];
function decodeMemoryView(handle) {
var size = HEAPU32[((handle)>>2)];
var data = HEAPU32[(((handle)+(4))>>2)];
return new TA(HEAP8.buffer, data, size);
}
name = readLatin1String(name);
registerType(rawType, {
name,
'fromWireType': decodeMemoryView,
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': decodeMemoryView,
}, {
ignoreDuplicateRegistrations: true,
});
};
var stringToUTF8 = (str, outPtr, maxBytesToWrite) => {
assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
};
var __embind_register_std_string = (rawType, name) => {
name = readLatin1String(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) {
var decodeStartPtr = payload;
// Looping here to support possible embedded '0' bytes
for (var i = 0; i <= length; ++i) {
var currentBytePtr = payload + i;
if (i == length || HEAPU8[currentBytePtr] == 0) {
var maxRead = currentBytePtr - decodeStartPtr;
var stringSegment = UTF8ToString(decodeStartPtr, maxRead);
if (str === undefined) {
str = stringSegment;
} else {
str += String.fromCharCode(0);
str += stringSegment;
}
decodeStartPtr = currentBytePtr + 1;
}
}
} else {
var a = new Array(length);
for (var i = 0; i < length; ++i) {
a[i] = String.fromCharCode(HEAPU8[payload + i]);
}
str = a.join('');
}
_free(value);
return str;
},
'toWireType'(destructors, value) {
if (value instanceof ArrayBuffer) {
value = new Uint8Array(value);
}
var length;
var valueIsOfTypeString = (typeof value == 'string');
// 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;
},
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': readPointer,
destructorFunction(ptr) {
_free(ptr);
},
});
};
var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined;;
var UTF16ToString = (ptr, maxBytesToRead) => {
assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!');
var endPtr = ptr;
// TextDecoder needs to know the byte length in advance, it doesn't stop on
// null terminator by itself.
// Also, use the length info to avoid running tiny strings through
// TextDecoder, since .subarray() allocates garbage.
var idx = endPtr >> 1;
var maxIdx = idx + maxBytesToRead / 2;
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
// will always evaluate to true. This saves on code size.
while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx;
endPtr = idx << 1;
if (endPtr - ptr > 32 && UTF16Decoder)
return UTF16Decoder.decode(HEAPU8.slice(ptr, endPtr));
// Fallback: decode without UTF16Decoder
var str = '';
// If maxBytesToRead is not passed explicitly, it will be undefined, and the
// for-loop's condition will always evaluate to true. The loop is then
// terminated on the first null char.
for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
if (codeUnit == 0) break;
// fromCharCode constructs a character from a UTF-16 code unit, so we can
// pass the UTF16 string right through.
str += String.fromCharCode(codeUnit);
}
return str;
};
var stringToUTF16 = (str, outPtr, maxBytesToWrite) => {
assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!');
assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
maxBytesToWrite ??= 0x7FFFFFFF;
if (maxBytesToWrite < 2) return 0;
maxBytesToWrite -= 2; // Null terminator.
var startPtr = outPtr;
var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length;
for (var i = 0; i < numCharsToWrite; ++i) {
// charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
HEAP16[((outPtr)>>1)] = codeUnit;
outPtr += 2;
}
// Null-terminate the pointer to the HEAP.
HEAP16[((outPtr)>>1)] = 0;
return outPtr - startPtr;
};
var lengthBytesUTF16 = (str) => str.length*2;
var UTF32ToString = (ptr, maxBytesToRead) => {
assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!');
var i = 0;
var str = '';
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
// will always evaluate to true. This saves on code size.
while (!(i >= maxBytesToRead / 4)) {
var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
if (utf32 == 0) break;
++i;
// Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
// See http://unicode.org/faq/utf_bom.html#utf16-3
if (utf32 >= 0x10000) {
var ch = utf32 - 0x10000;
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
} else {
str += String.fromCharCode(utf32);
}
}
return str;
};
var stringToUTF32 = (str, outPtr, maxBytesToWrite) => {
assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!');
assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
maxBytesToWrite ??= 0x7FFFFFFF;
if (maxBytesToWrite < 4) return 0;
var startPtr = outPtr;
var endPtr = startPtr + maxBytesToWrite - 4;
for (var i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
// See http://unicode.org/faq/utf_bom.html#utf16-3
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
var trailSurrogate = str.charCodeAt(++i);
codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
}
HEAP32[((outPtr)>>2)] = codeUnit;
outPtr += 4;
if (outPtr + 4 > endPtr) break;
}
// Null-terminate the pointer to the HEAP.
HEAP32[((outPtr)>>2)] = 0;
return outPtr - startPtr;
};
var lengthBytesUTF32 = (str) => {
var len = 0;
for (var i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
// See http://unicode.org/faq/utf_bom.html#utf16-3
var codeUnit = str.charCodeAt(i);
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate.
len += 4;
}
return len;
};
var __embind_register_std_wstring = (rawType, charSize, name) => {
name = readLatin1String(name);
var decodeString, encodeString, readCharAt, lengthBytesUTF;
if (charSize === 2) {
decodeString = UTF16ToString;
encodeString = stringToUTF16;
lengthBytesUTF = lengthBytesUTF16;
readCharAt = (pointer) => HEAPU16[((pointer)>>1)];
} else if (charSize === 4) {
decodeString = UTF32ToString;
encodeString = stringToUTF32;
lengthBytesUTF = lengthBytesUTF32;
readCharAt = (pointer) => HEAPU32[((pointer)>>2)];
}
registerType(rawType, {
name,
'fromWireType': (value) => {
// Code mostly taken from _embind_register_std_string fromWireType
var length = HEAPU32[((value)>>2)];
var str;
var decodeStartPtr = value + 4;
// Looping here to support possible embedded '0' bytes
for (var i = 0; i <= length; ++i) {
var currentBytePtr = value + 4 + i * charSize;
if (i == length || readCharAt(currentBytePtr) == 0) {
var maxReadBytes = currentBytePtr - decodeStartPtr;
var stringSegment = decodeString(decodeStartPtr, maxReadBytes);
if (str === undefined) {
str = stringSegment;
} else {
str += String.fromCharCode(0);
str += stringSegment;
}
decodeStartPtr = currentBytePtr + charSize;
}
}
_free(value);
return str;
},
'toWireType': (destructors, value) => {
if (!(typeof value == 'string')) {
throwBindingError(`Cannot pass non-string to C++ string type ${name}`);
}
// assumes POINTER_SIZE alignment
var length = lengthBytesUTF(value);
var ptr = _malloc(4 + length + charSize);
HEAPU32[((ptr)>>2)] = length / charSize;
encodeString(value, ptr + 4, length + charSize);
if (destructors !== null) {
destructors.push(_free, ptr);
}
return ptr;
},
argPackAdvance: GenericWireTypeSize,
'readValueFromPointer': readPointer,
destructorFunction(ptr) {
_free(ptr);
}
});
};
var __embind_register_void = (rawType, name) => {
name = readLatin1String(name);
registerType(rawType, {
isVoid: true, // void return values can be optimized out sometimes
name,
argPackAdvance: 0,
'fromWireType': () => undefined,
// TODO: assert if anything else is given?
'toWireType': (destructors, o) => undefined,
});
};
var __emscripten_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) __emscripten_thread_exit(EXITSTATUS);
else
_exit(EXITSTATUS);
} catch (e) {
handleException(e);
}
}
};
var callUserCallback = (func) => {
if (ABORT) {
err('user callback triggered after runtime exited or application aborted. Ignoring.');
return;
}
try {
func();
maybeExit();
} catch (e) {
handleException(e);
}
};
var __emscripten_thread_mailbox_await = (pthread_ptr) => {
if (typeof Atomics.waitAsync === 'function') {
// Wait on the pthread's initial self-pointer field because it is easy and
// safe to access from sending threads that need to notify the waiting
// thread.
// TODO: How to make this work with wasm64?
var wait = Atomics.waitAsync(HEAP32, ((pthread_ptr)>>2), pthread_ptr);
assert(wait.async);
wait.value.then(checkMailbox);
var waitingAsync = pthread_ptr + 128;
Atomics.store(HEAP32, ((waitingAsync)>>2), 1);
}
// If `Atomics.waitAsync` is not implemented, then we will always fall back
// to postMessage and there is no need to do anything here.
};
var checkMailbox = () => {
// Only check the mailbox if we have a live pthread runtime. We implement
// pthread_self to return 0 if there is no live runtime.
var pthread_ptr = _pthread_self();
if (pthread_ptr) {
// If we are using Atomics.waitAsync as our notification mechanism, wait
// for a notification before processing the mailbox to avoid missing any
// work that could otherwise arrive after we've finished processing the
// mailbox and before we're ready for the next notification.
__emscripten_thread_mailbox_await(pthread_ptr);
callUserCallback(__emscripten_check_mailbox);
}
};
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.
numCallArgs /= 2;
proxiedJSCallArgs.length = numCallArgs;
var b = ((args)>>3);
for (var i = 0; i < numCallArgs; i++) {
if (HEAP64[b + 2*i]) {
// It's a BigInt.
proxiedJSCallArgs[i] = HEAP64[b + 2*i + 1];
} else {
// It's a Number.
proxiedJSCallArgs[i] = HEAPF64[b + 2*i + 1];
}
}
// 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();
}
};
var INT53_MAX = 9007199254740992;
var INT53_MIN = -9007199254740992;
var bigintToI53Checked = (num) => (num < INT53_MIN || num > INT53_MAX) ? NaN : Number(num);
function __gmtime_js(time, tmPtr) {
time = bigintToI53Checked(time);
var date = new Date(time * 1000);
HEAP32[((tmPtr)>>2)] = date.getUTCSeconds();
HEAP32[(((tmPtr)+(4))>>2)] = date.getUTCMinutes();
HEAP32[(((tmPtr)+(8))>>2)] = date.getUTCHours();
HEAP32[(((tmPtr)+(12))>>2)] = date.getUTCDate();
HEAP32[(((tmPtr)+(16))>>2)] = date.getUTCMonth();
HEAP32[(((tmPtr)+(20))>>2)] = date.getUTCFullYear()-1900;
HEAP32[(((tmPtr)+(24))>>2)] = date.getUTCDay();
var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
var yday = ((date.getTime() - start) / (1000 * 60 * 60 * 24))|0;
HEAP32[(((tmPtr)+(28))>>2)] = yday;
;
}
var isLeapYear = (year) => year%4 === 0 && (year%100 !== 0 || year%400 === 0);
var MONTH_DAYS_LEAP_CUMULATIVE = [0,31,60,91,121,152,182,213,244,274,305,335];
var MONTH_DAYS_REGULAR_CUMULATIVE = [0,31,59,90,120,151,181,212,243,273,304,334];
var ydayFromDate = (date) => {
var leap = isLeapYear(date.getFullYear());
var monthDaysCumulative = (leap ? MONTH_DAYS_LEAP_CUMULATIVE : MONTH_DAYS_REGULAR_CUMULATIVE);
var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1; // -1 since it's days since Jan 1
return yday;
};
function __localtime_js(time, tmPtr) {
time = bigintToI53Checked(time);
var date = new Date(time*1000);
HEAP32[((tmPtr)>>2)] = date.getSeconds();
HEAP32[(((tmPtr)+(4))>>2)] = date.getMinutes();
HEAP32[(((tmPtr)+(8))>>2)] = date.getHours();
HEAP32[(((tmPtr)+(12))>>2)] = date.getDate();
HEAP32[(((tmPtr)+(16))>>2)] = date.getMonth();
HEAP32[(((tmPtr)+(20))>>2)] = date.getFullYear()-1900;
HEAP32[(((tmPtr)+(24))>>2)] = date.getDay();
var yday = ydayFromDate(date)|0;
HEAP32[(((tmPtr)+(28))>>2)] = yday;
HEAP32[(((tmPtr)+(36))>>2)] = -(date.getTimezoneOffset() * 60);
// Attention: DST is in December in South, and some regions don't have DST at all.
var start = new Date(date.getFullYear(), 0, 1);
var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
var winterOffset = start.getTimezoneOffset();
var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset))|0;
HEAP32[(((tmPtr)+(32))>>2)] = dst;
;
}
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, ptime) {
ignored_precision = bigintToI53Checked(ignored_precision);
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 * 1000 * 1000);
HEAP64[((ptime)>>3)] = BigInt(nsec);
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 runtimeKeepalivePush = () => {
runtimeKeepaliveCounter += 1;
};
var _emscripten_exit_with_live_runtime = () => {
runtimeKeepalivePush();
throw 'unwind';
};
var abortOnCannotGrowMemory = (requestedSize) => {
abort(`Cannot enlarge memory arrays to size ${requestedSize} bytes (OOM). Either (1) compile with -sINITIAL_MEMORY=X with X higher than the current value ${HEAP8.length}, (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0`);
};
var _emscripten_resize_heap = (requestedSize) => {
var oldSize = HEAPU8.length;
// With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
requestedSize >>>= 0;
abortOnCannotGrowMemory(requestedSize);
};
var ENV = {
};
var getExecutableName = () => thisProgram || './this.program';
var getEnvStrings = () => {
if (!getEnvStrings.strings) {
// Default values.
// Browser language detection #8751
var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8';
var env = {
'USER': 'web_user',
'LOGNAME': 'web_user',
'PATH': '/',
'PWD': '/',
'HOME': '/home/web_user',
'LANG': lang,
'_': getExecutableName()
};
// Apply the user-provided values, if any.
for (var x in ENV) {
// x is a key in ENV; if ENV[x] is undefined, that means it was
// explicitly set to be so. We allow user code to do that to
// force variables with default values to remain unset.
if (ENV[x] === undefined) delete env[x];
else env[x] = ENV[x];
}
var strings = [];
for (var x in env) {
strings.push(`${x}=${env[x]}`);
}
getEnvStrings.strings = strings;
}
return getEnvStrings.strings;
};
function _environ_get(__environ, environ_buf) {
if (ENVIRONMENT_IS_PTHREAD)
return proxyToMainThread(11, 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(12, 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(13, 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(14, 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, whence, newOffset) {
if (ENVIRONMENT_IS_PTHREAD)
return proxyToMainThread(15, 0, 1, fd, offset, whence, newOffset);
offset = bigintToI53Checked(offset);
try {
if (isNaN(offset)) return 61;
var stream = SYSCALLS.getStreamFromFD(fd);
FS.llseek(stream, offset, whence);
HEAP64[((newOffset)>>3)] = BigInt(stream.position);
if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
return e.errno;
}
;
}
/** @param {number=} offset */
var doWritev = (stream, iov, iovcnt, offset) => {
var ret = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = HEAPU32[((iov)>>2)];
var len = HEAPU32[(((iov)+(4))>>2)];
iov += 8;
var curr = FS.write(stream, HEAP8, ptr, len, offset);
if (curr < 0) return -1;
ret += curr;
if (curr < len) {
// No more space to write.
break;
}
if (typeof offset != 'undefined') {
offset += curr;
}
}
return ret;
};
function _fd_write(fd, iov, iovcnt, pnum) {
if (ENVIRONMENT_IS_PTHREAD)
return proxyToMainThread(16, 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;
}
}
var runAndAbortIfError = (func) => {
try {
return func();
} catch (e) {
abort(e);
}
};
var sigToWasmTypes = (sig) => {
var typeNames = {
'i': 'i32',
'j': 'i64',
'f': 'f32',
'd': 'f64',
'e': 'externref',
'p': 'i32',
};
var type = {
parameters: [],
results: sig[0] == 'v' ? [] : [typeNames[sig[0]]]
};
for (var i = 1; i < sig.length; ++i) {
assert(sig[i] in typeNames, 'invalid signature char: ' + sig[i]);
type.parameters.push(typeNames[sig[i]]);
}
return type;
};
var runtimeKeepalivePop = () => {
assert(runtimeKeepaliveCounter > 0);
runtimeKeepaliveCounter -= 1;
};
var Asyncify = {
instrumentWasmImports(imports) {
assert('Suspending' in WebAssembly, 'JSPI not supported by current environment. Perhaps it needs to be enabled via flags?');
var importPattern = /^(invoke_.*|__asyncjs__.*)$/;
for (let [x, original] of Object.entries(imports)) {
if (typeof original == 'function') {
let isAsyncifyImport = original.isAsync || importPattern.test(x);
// Wrap async imports with a suspending WebAssembly function.
if (isAsyncifyImport) {
imports[x] = original = new WebAssembly.Suspending(original);
}
}
}
},
instrumentWasmExports(exports) {
var exportPattern = /^(libxsltWasmExternalEntityLoader|xmlLoadResource|xmlCtxtNewInputFromUrl|xmlCtxtReadFile|xmlLoadExternalEntity|xmlNewEntityInputStream|xmlParseCtxtExternalEntity|xmlXPathCompOpEval|xmlReadFile|xsltDocumentFunctionLoadDocument|xsltLoadDocument|xsltDocumentFunction|xsltDocDefaultLoaderFunc|xsltApplyStylesheet|xsltParseStylesheetFile|xsltLoadStylesheetPI|xsltParseStylesheetDoc|main|__main_argc_argv)$/;
Asyncify.asyncExports = new Set();
var ret = {};
for (let [x, original] of Object.entries(exports)) {
if (typeof original == 'function') {
// Wrap all exports with a promising WebAssembly function.
let isAsyncifyExport = exportPattern.test(x);
if (isAsyncifyExport) {
Asyncify.asyncExports.add(original);
original = Asyncify.makeAsyncFunction(original);
}
ret[x] = (...args) => {
return original(...args);
};
} else {
ret[x] = original;
}
}
return ret;
},
asyncExports:null,
isAsyncExport(func) {
return Asyncify.asyncExports?.has(func);
},
handleAsync:async (startAsync) => {
runtimeKeepalivePush();
try {
return await startAsync();
} finally {
runtimeKeepalivePop();
}
},
handleSleep(startAsync) {
return Asyncify.handleAsync(() => new Promise(startAsync));
},
makeAsyncFunction(original) {
return WebAssembly.promising(original);
},
};
var POINTER_SIZE = 4;
function getNativeTypeSize(type) {
// prettier-ignore
switch (type) {
case 'i1': case 'i8': case 'u8': return 1;
case 'i16': case 'u16': return 2;
case 'i32': case 'u32': return 4;
case 'i64': case 'u64': return 8;
case 'float': return 4;
case 'double': return 8;
default: {
if (type[type.length - 1] === '*') {
return POINTER_SIZE;
}
if (type[0] === 'i') {
const bits = Number(type.slice(1));
assert(bits % 8 === 0, `getNativeTypeSize invalid bits ${bits}, ${type} type`);
return bits / 8;
}
return 0;
}
}
}
var getCFunc = (ident) => {
var func = Module['_' + ident]; // closure exported function
assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported');
return func;
};
var writeArrayToMemory = (array, buffer) => {
assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)')
HEAP8.set(array, buffer);
};
var stringToUTF8OnStack = (str) => {
var size = lengthBytesUTF8(str) + 1;
var ret = stackAlloc(size);
stringToUTF8(str, ret, size);
return ret;
};
/**
* @param {string|null=} returnType
* @param {Array=} argTypes
* @param {Arguments|Array=} args
* @param {Object=} opts
*/
var ccall = (ident, returnType, argTypes, args, opts) => {
// For fast lookup of conversion functions
var toC = {
'string': (str) => {
var ret = 0;
if (str !== null && str !== undefined && str !== 0) { // null string
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);
}
var asyncMode = opts?.async;
if (asyncMode) return ret.then(onDone);
ret = onDone(ret);
return ret;
};
/**
* @param {string=} returnType
* @param {Array=} argTypes
* @param {Object=} opts
*/
var cwrap = (ident, returnType, argTypes, opts) => {
return (...args) => ccall(ident, returnType, argTypes, args, opts);
};
var intArrayToString = (array) => {
var ret = [];
for (var i = 0; i < array.length; i++) {
var chr = array[i];
if (chr > 0xFF) {
assert(false, `Character code ${chr} (${String.fromCharCode(chr)}) at offset ${i} not in 0x00-0xFF.`);
chr &= 0xFF;
}
ret.push(String.fromCharCode(chr));
}
return ret.join('');
};
var stringToNewUTF8 = (str) => {
var size = lengthBytesUTF8(str) + 1;
var ret = _malloc(size);
if (ret) stringToUTF8(str, ret, size);
return ret;
};
var FS_createPath = FS.createPath;
var FS_unlink = (path) => FS.unlink(path);
var FS_createLazyFile = FS.createLazyFile;
var FS_createDevice = FS.createDevice;
PThread.init();;
FS.createPreloadedFile = FS_createPreloadedFile;
FS.staticInit();
// Set module methods based on EXPORTED_RUNTIME_METHODS
Module['FS_createPath'] = FS.createPath;
Module['FS_createDataFile'] = FS.createDataFile;
Module['FS_createPreloadedFile'] = FS.createPreloadedFile;
Module['FS_unlink'] = FS.unlink;
Module['FS_createLazyFile'] = FS.createLazyFile;
Module['FS_createDevice'] = FS.createDevice;
;
if (ENVIRONMENT_IS_NODE) { NODEFS.staticInit(); };
if (!ENVIRONMENT_IS_NODE) {
throw new Error("NODERAWFS is currently only supported on Node.js environment.")
}
var _wrapNodeError = function(func) {
return function(...args) {
try {
return func(...args)
} catch (e) {
if (e.code) {
throw new FS.ErrnoError(ERRNO_CODES[e.code]);
}
throw e;
}
}
};
// Use this to reference our in-memory filesystem
/** @suppress {partialAlias} */
var VFS = {...FS};
// Wrap the whole in-memory filesystem API with
// our Node.js based functions
for (var _key in NODERAWFS) {
FS[_key] = _wrapNodeError(NODERAWFS[_key]);
};
embind_init_charCodes();
init_ClassHandle();
init_RegisteredPointer();
init_emval();;
// 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.
{
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')
}
// Begin runtime exports
Module['addRunDependency'] = addRunDependency;
Module['removeRunDependency'] = removeRunDependency;
Module['ptrToString'] = ptrToString;
Module['warnOnce'] = warnOnce;
Module['handleException'] = handleException;
Module['getNativeTypeSize'] = getNativeTypeSize;
Module['ccall'] = ccall;
Module['cwrap'] = cwrap;
Module['setValue'] = setValue;
Module['getValue'] = getValue;
Module['UTF8ToString'] = UTF8ToString;
Module['stringToUTF8Array'] = stringToUTF8Array;
Module['stringToUTF8'] = stringToUTF8;
Module['lengthBytesUTF8'] = lengthBytesUTF8;
Module['intArrayFromString'] = intArrayFromString;
Module['intArrayToString'] = intArrayToString;
Module['stringToNewUTF8'] = stringToNewUTF8;
Module['writeArrayToMemory'] = writeArrayToMemory;
Module['FS_createPreloadedFile'] = FS_createPreloadedFile;
Module['FS_unlink'] = FS_unlink;
Module['FS_createPath'] = FS_createPath;
Module['FS_createDevice'] = FS_createDevice;
Module['FS'] = FS;
Module['FS_createDataFile'] = FS_createDataFile;
Module['FS_createLazyFile'] = FS_createLazyFile;
var missingLibrarySymbols = [
'writeI53ToI64',
'writeI53ToI64Clamped',
'writeI53ToI64Signaling',
'writeI53ToU64Clamped',
'writeI53ToU64Signaling',
'readI53FromI64',
'readI53FromU64',
'convertI32PairToI53',
'convertI32PairToI53Checked',
'convertU32PairToI53',
'getTempRet0',
'setTempRet0',
'zeroMemory',
'getHeapMax',
'growMemory',
'inetPton4',
'inetNtop4',
'inetPton6',
'inetNtop6',
'readSockaddr',
'writeSockaddr',
'emscriptenLog',
'readEmAsmArgs',
'jstoi_q',
'listenOnce',
'autoResumeAudioContext',
'getDynCaller',
'dynCall',
'asmjsMangle',
'alignMemory',
'HandleAllocator',
'addOnInit',
'addOnPostCtor',
'addOnPreMain',
'addOnExit',
'STACK_SIZE',
'STACK_ALIGN',
'ASSERTIONS',
'uleb128Encode',
'generateFuncType',
'convertJsFunctionToWasm',
'getEmptyTableSlot',
'updateTableMap',
'getFunctionAddress',
'addFunction',
'removeFunction',
'reallyNegative',
'unSign',
'strLen',
'reSign',
'formatString',
'AsciiToString',
'stringToAscii',
'registerKeyEventCallback',
'maybeCStringToJsString',
'findEventTarget',
'getBoundingClientRect',
'fillMouseEventData',
'registerMouseEventCallback',
'registerWheelEventCallback',
'registerUiEventCallback',
'registerFocusEventCallback',
'fillDeviceOrientationEventData',
'registerDeviceOrientationEventCallback',
'fillDeviceMotionEventData',
'registerDeviceMotionEventCallback',
'screenOrientation',
'fillOrientationChangeEventData',
'registerOrientationChangeEventCallback',
'fillFullscreenChangeEventData',
'registerFullscreenChangeEventCallback',
'JSEvents_requestFullscreen',
'JSEvents_resizeCanvasForFullscreen',
'registerRestoreOldStyle',
'hideEverythingExceptGivenElement',
'restoreHiddenElements',
'setLetterbox',
'softFullscreenResizeWebGLRenderTarget',
'doRequestFullscreen',
'fillPointerlockChangeEventData',
'registerPointerlockChangeEventCallback',
'registerPointerlockErrorEventCallback',
'requestPointerLock',
'fillVisibilityChangeEventData',
'registerVisibilityChangeEventCallback',
'registerTouchEventCallback',
'fillGamepadEventData',
'registerGamepadEventCallback',
'registerBeforeUnloadEventCallback',
'fillBatteryEventData',
'battery',
'registerBatteryEventCallback',
'setCanvasElementSizeCallingThread',
'setCanvasElementSizeMainThread',
'setCanvasElementSize',
'getCanvasSizeCallingThread',
'getCanvasSizeMainThread',
'getCanvasElementSize',
'jsStackTrace',
'getCallstack',
'convertPCtoSourceLocation',
'wasiRightsToMuslOFlags',
'wasiOFlagsToMuslOFlags',
'safeSetTimeout',
'setImmediateWrapped',
'safeRequestAnimationFrame',
'clearImmediateWrapped',
'registerPostMainLoop',
'registerPreMainLoop',
'getPromise',
'makePromise',
'idsToPromises',
'makePromiseCallback',
'ExceptionInfo',
'findMatchingCatch',
'Browser_asyncPrepareDataCounter',
'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',
'ALLOC_NORMAL',
'ALLOC_STACK',
'allocate',
'writeStringToMemory',
'writeAsciiToMemory',
'demangle',
'stackTrace',
'getFunctionName',
'getFunctionArgsName',
'heap32VectorToArray',
'usesDestructorStack',
'createJsInvokerSignature',
'checkArgCount',
'getRequiredArgCount',
'createJsInvoker',
'PureVirtualError',
'registerInheritedInstance',
'unregisterInheritedInstance',
'getInheritedInstanceCount',
'getLiveInheritedInstances',
'runDestructors',
'craftInvokerFunction',
'setDelayFunction',
'validateThis',
'getStringOrSymbol',
'emval_get_global',
'emval_returnValue',
'emval_lookupTypes',
'emval_addMethodCaller',
];
missingLibrarySymbols.forEach(missingLibrarySymbol)
var unexportedSymbols = [
'run',
'out',
'err',
'callMain',
'abort',
'wasmMemory',
'wasmExports',
'HEAPF32',
'HEAPF64',
'HEAP8',
'HEAPU8',
'HEAP16',
'HEAPU16',
'HEAP32',
'HEAPU32',
'HEAP64',
'HEAPU64',
'writeStackCookie',
'checkStackCookie',
'INT53_MAX',
'INT53_MIN',
'bigintToI53Checked',
'stackSave',
'stackRestore',
'stackAlloc',
'exitJS',
'abortOnCannotGrowMemory',
'ENV',
'ERRNO_CODES',
'strError',
'DNS',
'Protocols',
'Sockets',
'timers',
'readEmAsmArgsArray',
'jstoi_s',
'getExecutableName',
'keepRuntimeAlive',
'runtimeKeepalivePush',
'runtimeKeepalivePop',
'callUserCallback',
'maybeExit',
'asyncLoad',
'mmapAlloc',
'wasmTable',
'noExitRuntime',
'addOnPreRun',
'addOnPostRun',
'POINTER_SIZE',
'getCFunc',
'sigToWasmTypes',
'freeTableIndexes',
'functionsInTableMap',
'PATH',
'PATH_FS',
'UTF8Decoder',
'UTF8ArrayToString',
'UTF16Decoder',
'UTF16ToString',
'stringToUTF16',
'lengthBytesUTF16',
'UTF32ToString',
'stringToUTF32',
'lengthBytesUTF32',
'stringToUTF8OnStack',
'JSEvents',
'specialHTMLTargets',
'findCanvasEventTarget',
'currentFullscreenStrategy',
'restoreOldWindowedStyle',
'UNWIND_CACHE',
'ExitStatus',
'getEnvStrings',
'checkWasiClock',
'doReadv',
'doWritev',
'initRandomFill',
'randomFill',
'emSetImmediate',
'emClearImmediate_deps',
'emClearImmediate',
'promiseMap',
'uncaughtExceptionCount',
'exceptionLast',
'exceptionCaught',
'Browser',
'getPreloadedImageData__data',
'wget',
'MONTH_DAYS_REGULAR',
'MONTH_DAYS_LEAP',
'MONTH_DAYS_REGULAR_CUMULATIVE',
'MONTH_DAYS_LEAP_CUMULATIVE',
'isLeapYear',
'ydayFromDate',
'SYSCALLS',
'preloadPlugins',
'FS_modeStringToFlags',
'FS_getMode',
'FS_stdin_getChar_buffer',
'FS_stdin_getChar',
'FS_readFile',
'MEMFS',
'TTY',
'PIPEFS',
'SOCKFS',
'NODEFS',
'NODERAWFS',
'tempFixedLengthArray',
'miniTempWebGLFloatBuffers',
'miniTempWebGLIntBuffers',
'GL',
'AL',
'GLUT',
'EGL',
'GLEW',
'IDBStore',
'runAndAbortIfError',
'Asyncify',
'Fibers',
'SDL',
'SDL_gfx',
'allocateUTF8',
'allocateUTF8OnStack',
'print',
'printErr',
'PThread',
'terminateWorker',
'cleanupThread',
'registerTLSInit',
'spawnThread',
'exitOnMainThread',
'proxyToMainThread',
'proxiedJSCallArgs',
'invokeEntryPoint',
'checkMailbox',
'InternalError',
'BindingError',
'throwInternalError',
'throwBindingError',
'registeredTypes',
'awaitingDependencies',
'typeDependencies',
'tupleRegistrations',
'structRegistrations',
'sharedRegisterType',
'whenDependentTypesAreResolved',
'embind_charCodes',
'embind_init_charCodes',
'readLatin1String',
'getTypeName',
'requireRegisteredType',
'UnboundTypeError',
'GenericWireTypeSize',
'EmValType',
'EmValOptionalType',
'throwUnboundTypeError',
'ensureOverloadTable',
'exposePublicSymbol',
'replacePublicSymbol',
'createNamedFunction',
'embindRepr',
'registeredInstances',
'getBasestPointer',
'getInheritedInstance',
'registeredPointers',
'registerType',
'integerReadValueFromPointer',
'enumReadValueFromPointer',
'floatReadValueFromPointer',
'readPointer',
'embind__requireFunction',
'genericPointerToWireType',
'constNoSmartPtrRawPointerToWireType',
'nonConstNoSmartPtrRawPointerToWireType',
'init_RegisteredPointer',
'RegisteredPointer',
'RegisteredPointer_fromWireType',
'runDestructor',
'releaseClassHandle',
'finalizationRegistry',
'detachFinalizer_deps',
'detachFinalizer',
'attachFinalizer',
'makeClassHandle',
'init_ClassHandle',
'ClassHandle',
'throwInstanceAlreadyDeleted',
'deletionQueue',
'flushPendingDeletes',
'delayFunction',
'RegisteredClass',
'shallowCopyInternalPointer',
'downcastPointer',
'upcastPointer',
'char_0',
'char_9',
'makeLegalFunctionName',
'emval_freelist',
'emval_handles',
'emval_symbols',
'init_emval',
'count_emval_handles',
'Emval',
'emval_methodCallers',
'reflectConstruct',
];
unexportedSymbols.forEach(unexportedRuntimeSymbol);
// End runtime exports
// Begin JS library exports
// 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,
___syscall_dup,
___syscall_fcntl64,
___syscall_fstat64,
___syscall_ioctl,
___syscall_lstat64,
___syscall_mkdirat,
___syscall_newfstatat,
___syscall_openat,
___syscall_stat64,
_environ_get,
_environ_sizes_get,
_fd_close,
_fd_read,
_fd_seek,
_fd_write
];
function checkIncomingModuleAPI() {
ignoredModuleProp('fetchSettings');
}
function __asyncjs__fetchBytes(url,pbuffer,pnum,perror) { return Asyncify.handleAsync(async () => { const response = await fetch(UTF8ToString(url), { headers: { "Accept": "application/xslt+xml, application/xml, text/xml, application/xhtml+xml;q=0.8, application/*; q=0.6, */*;q=0.5", } }); if (!response.ok) { setValue(pbuffer, 0, "i32"); setValue(pnum, 0, "i32"); setValue(perror, response.status, "i32"); } else { const responseBytes = await response.bytes(); const bufferToFill = _malloc(responseBytes.length * responseBytes.BYTES_PER_ELEMENT); HEAPU8.set(responseBytes, bufferToFill); setValue(pnum, responseBytes.length, "i32"); setValue(perror, 0, "i32"); setValue(pbuffer, bufferToFill, "*"); } }); }
__asyncjs__fetchBytes.sig = 'viiii';
var wasmImports;
function assignWasmImports() {
wasmImports = {
/** @export */
__assert_fail: ___assert_fail,
/** @export */
__asyncjs__fetchBytes,
/** @export */
__syscall_dup: ___syscall_dup,
/** @export */
__syscall_fcntl64: ___syscall_fcntl64,
/** @export */
__syscall_fstat64: ___syscall_fstat64,
/** @export */
__syscall_ioctl: ___syscall_ioctl,
/** @export */
__syscall_lstat64: ___syscall_lstat64,
/** @export */
__syscall_mkdirat: ___syscall_mkdirat,
/** @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_class: __embind_register_class,
/** @export */
_embind_register_emval: __embind_register_emval,
/** @export */
_embind_register_enum: __embind_register_enum,
/** @export */
_embind_register_enum_value: __embind_register_enum_value,
/** @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 */
_gmtime_js: __gmtime_js,
/** @export */
_localtime_js: __localtime_js,
/** @export */
_tzset_js: __tzset_js,
/** @export */
clock_time_get: _clock_time_get,
/** @export */
emscripten_check_blocking_allowed: _emscripten_check_blocking_allowed,
/** @export */
emscripten_date_now: _emscripten_date_now,
/** @export */
emscripten_exit_with_live_runtime: _emscripten_exit_with_live_runtime,
/** @export */
emscripten_get_now: _emscripten_get_now,
/** @export */
emscripten_resize_heap: _emscripten_resize_heap,
/** @export */
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 */
memory: wasmMemory
};
}
var wasmExports = await createWasm();
var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors', 0);
var _exsltRegisterAll = Module['_exsltRegisterAll'] = createExportWrapper('exsltRegisterAll', 0);
var _exsltCommonRegister = Module['_exsltCommonRegister'] = createExportWrapper('exsltCommonRegister', 0);
var _exsltMathRegister = Module['_exsltMathRegister'] = createExportWrapper('exsltMathRegister', 0);
var _exsltSetsRegister = Module['_exsltSetsRegister'] = createExportWrapper('exsltSetsRegister', 0);
var _exsltFuncRegister = Module['_exsltFuncRegister'] = createExportWrapper('exsltFuncRegister', 0);
var _exsltStrRegister = Module['_exsltStrRegister'] = createExportWrapper('exsltStrRegister', 0);
var _exsltDateRegister = Module['_exsltDateRegister'] = createExportWrapper('exsltDateRegister', 0);
var _exsltSaxonRegister = Module['_exsltSaxonRegister'] = createExportWrapper('exsltSaxonRegister', 0);
var _exsltDynRegister = Module['_exsltDynRegister'] = createExportWrapper('exsltDynRegister', 0);
var _xsltInit = Module['_xsltInit'] = createExportWrapper('xsltInit', 0);
var _xsltUninit = Module['_xsltUninit'] = createExportWrapper('xsltUninit', 0);
var _xsltFreeStylesheet = Module['_xsltFreeStylesheet'] = createExportWrapper('xsltFreeStylesheet', 1);
var _xsltParseStylesheetProcess = Module['_xsltParseStylesheetProcess'] = createExportWrapper('xsltParseStylesheetProcess', 2);
var _xsltParseStylesheetImportedDoc = Module['_xsltParseStylesheetImportedDoc'] = createExportWrapper('xsltParseStylesheetImportedDoc', 2);
var _xsltParseStylesheetDoc = Module['_xsltParseStylesheetDoc'] = createExportWrapper('xsltParseStylesheetDoc', 1);
var _xsltLoadStylesheetPI = Module['_xsltLoadStylesheetPI'] = createExportWrapper('xsltLoadStylesheetPI', 1);
var _xsltSaveResultTo = Module['_xsltSaveResultTo'] = createExportWrapper('xsltSaveResultTo', 3);
var _xsltSaveResultToFile = Module['_xsltSaveResultToFile'] = createExportWrapper('xsltSaveResultToFile', 3);
var _xsltXPathCompileFlags = Module['_xsltXPathCompileFlags'] = createExportWrapper('xsltXPathCompileFlags', 3);
var _xsltXPathCompile = Module['_xsltXPathCompile'] = createExportWrapper('xsltXPathCompile', 2);
var _xsltInitGlobals = Module['_xsltInitGlobals'] = createExportWrapper('xsltInitGlobals', 0);
var _xsltCleanupGlobals = Module['_xsltCleanupGlobals'] = createExportWrapper('xsltCleanupGlobals', 0);
var _xsltRegisterAllExtras = Module['_xsltRegisterAllExtras'] = createExportWrapper('xsltRegisterAllExtras', 0);
var _xsltNextImport = Module['_xsltNextImport'] = createExportWrapper('xsltNextImport', 1);
var _xsltResolveStylesheetAttributeSet = Module['_xsltResolveStylesheetAttributeSet'] = createExportWrapper('xsltResolveStylesheetAttributeSet', 1);
var _xsltFreeAttributeSetsHashes = Module['_xsltFreeAttributeSetsHashes'] = createExportWrapper('xsltFreeAttributeSetsHashes', 1);
var _xsltSetXIncludeDefault = Module['_xsltSetXIncludeDefault'] = createExportWrapper('xsltSetXIncludeDefault', 1);
var _xsltGetXIncludeDefault = Module['_xsltGetXIncludeDefault'] = createExportWrapper('xsltGetXIncludeDefault', 0);
var _xsltApplyStylesheet = Module['_xsltApplyStylesheet'] = createExportWrapper('xsltApplyStylesheet', 3);
var _xmlDetectCharEncoding = Module['_xmlDetectCharEncoding'] = createExportWrapper('xmlDetectCharEncoding', 2);
var _xmlParseCharEncoding = Module['_xmlParseCharEncoding'] = createExportWrapper('xmlParseCharEncoding', 1);
var _xmlLookupCharEncodingHandler = Module['_xmlLookupCharEncodingHandler'] = createExportWrapper('xmlLookupCharEncodingHandler', 2);
var _xmlResetLastError = Module['_xmlResetLastError'] = createExportWrapper('xmlResetLastError', 0);
var _xmlGetLastError = Module['_xmlGetLastError'] = createExportWrapper('xmlGetLastError', 0);
var _xmlHasFeature = Module['_xmlHasFeature'] = createExportWrapper('xmlHasFeature', 1);
var _xmlParseDTD = Module['_xmlParseDTD'] = createExportWrapper('xmlParseDTD', 2);
var _xmlParseEntity = Module['_xmlParseEntity'] = createExportWrapper('xmlParseEntity', 1);
var _xmlParseFile = Module['_xmlParseFile'] = createExportWrapper('xmlParseFile', 1);
var _xmlParseMemory = Module['_xmlParseMemory'] = createExportWrapper('xmlParseMemory', 2);
var _xmlReadDoc = Module['_xmlReadDoc'] = createExportWrapper('xmlReadDoc', 4);
var _xmlReadFile = Module['_xmlReadFile'] = createExportWrapper('xmlReadFile', 3);
var _xmlReadMemory = Module['_xmlReadMemory'] = createExportWrapper('xmlReadMemory', 5);
var _xmlReadFd = Module['_xmlReadFd'] = createExportWrapper('xmlReadFd', 4);
var _xmlReadIO = Module['_xmlReadIO'] = createExportWrapper('xmlReadIO', 6);
var _xmlInputSetEncodingHandler = Module['_xmlInputSetEncodingHandler'] = createExportWrapper('xmlInputSetEncodingHandler', 2);
var _xmlNewInputFromMemory = Module['_xmlNewInputFromMemory'] = createExportWrapper('xmlNewInputFromMemory', 4);
var _xmlNewInputFromString = Module['_xmlNewInputFromString'] = createExportWrapper('xmlNewInputFromString', 3);
var _xmlNewInputFromFd = Module['_xmlNewInputFromFd'] = createExportWrapper('xmlNewInputFromFd', 3);
var _xmlNewInputFromIO = Module['_xmlNewInputFromIO'] = createExportWrapper('xmlNewInputFromIO', 5);
var _xmlNewInputFromUrl = Module['_xmlNewInputFromUrl'] = createExportWrapper('xmlNewInputFromUrl', 3);
var _xmlSetExternalEntityLoader = Module['_xmlSetExternalEntityLoader'] = createExportWrapper('xmlSetExternalEntityLoader', 1);
var _xmlGetExternalEntityLoader = Module['_xmlGetExternalEntityLoader'] = createExportWrapper('xmlGetExternalEntityLoader', 0);
var _xmlLoadExternalEntity = Module['_xmlLoadExternalEntity'] = createExportWrapper('xmlLoadExternalEntity', 3);
var _xmlInitParser = Module['_xmlInitParser'] = createExportWrapper('xmlInitParser', 0);
var _xmlCleanupParser = Module['_xmlCleanupParser'] = createExportWrapper('xmlCleanupParser', 0);
var _xmlFreeDtd = Module['_xmlFreeDtd'] = createExportWrapper('xmlFreeDtd', 1);
var _xmlGetIntSubset = Module['_xmlGetIntSubset'] = createExportWrapper('xmlGetIntSubset', 1);
var _xmlFreeDoc = Module['_xmlFreeDoc'] = createExportWrapper('xmlFreeDoc', 1);
var _xmlDocGetRootElement = Module['_xmlDocGetRootElement'] = createExportWrapper('xmlDocGetRootElement', 1);
var _xmlDocSetRootElement = Module['_xmlDocSetRootElement'] = createExportWrapper('xmlDocSetRootElement', 2);
var _xmlGetDocCompressMode = Module['_xmlGetDocCompressMode'] = createExportWrapper('xmlGetDocCompressMode', 1);
var _xmlCheckFilename = Module['_xmlCheckFilename'] = createExportWrapper('xmlCheckFilename', 1);
var _xmlAllocOutputBuffer = Module['_xmlAllocOutputBuffer'] = createExportWrapper('xmlAllocOutputBuffer', 1);
var _xmlOutputBufferClose = Module['_xmlOutputBufferClose'] = createExportWrapper('xmlOutputBufferClose', 1);
var _xmlOutputBufferCreateFilename = Module['_xmlOutputBufferCreateFilename'] = createExportWrapper('xmlOutputBufferCreateFilename', 3);
var _xmlOutputBufferCreateFile = Module['_xmlOutputBufferCreateFile'] = createExportWrapper('xmlOutputBufferCreateFile', 2);
var _xmlOutputBufferGetContent = Module['_xmlOutputBufferGetContent'] = createExportWrapper('xmlOutputBufferGetContent', 1);
var _xmlOutputBufferGetSize = Module['_xmlOutputBufferGetSize'] = createExportWrapper('xmlOutputBufferGetSize', 1);
var _xmlOutputBufferCreateFd = Module['_xmlOutputBufferCreateFd'] = createExportWrapper('xmlOutputBufferCreateFd', 2);
var _xmlOutputBufferWrite = Module['_xmlOutputBufferWrite'] = createExportWrapper('xmlOutputBufferWrite', 3);
var _xmlOutputBufferWriteString = Module['_xmlOutputBufferWriteString'] = createExportWrapper('xmlOutputBufferWriteString', 2);
var _xmlCharStrdup = Module['_xmlCharStrdup'] = createExportWrapper('xmlCharStrdup', 1);
var _xmlCheckUTF8 = Module['_xmlCheckUTF8'] = createExportWrapper('xmlCheckUTF8', 1);
var _htmlDocContentDumpFormatOutput = Module['_htmlDocContentDumpFormatOutput'] = createExportWrapper('htmlDocContentDumpFormatOutput', 4);
var _xmlNodeDump = Module['_xmlNodeDump'] = createExportWrapper('xmlNodeDump', 5);
var _xmlNodeDumpOutput = Module['_xmlNodeDumpOutput'] = createExportWrapper('xmlNodeDumpOutput', 6);
var _xmlDocDumpFormatMemoryEnc = Module['_xmlDocDumpFormatMemoryEnc'] = createExportWrapper('xmlDocDumpFormatMemoryEnc', 5);
var _xmlDocDumpMemory = Module['_xmlDocDumpMemory'] = createExportWrapper('xmlDocDumpMemory', 3);
var _xmlDocDumpFormatMemory = Module['_xmlDocDumpFormatMemory'] = createExportWrapper('xmlDocDumpFormatMemory', 4);
var _xmlDocDumpMemoryEnc = Module['_xmlDocDumpMemoryEnc'] = createExportWrapper('xmlDocDumpMemoryEnc', 4);
var _xmlDocFormatDump = Module['_xmlDocFormatDump'] = createExportWrapper('xmlDocFormatDump', 3);
var _xmlDocDump = Module['_xmlDocDump'] = createExportWrapper('xmlDocDump', 2);
var _xmlSaveFileTo = Module['_xmlSaveFileTo'] = createExportWrapper('xmlSaveFileTo', 3);
var _xmlSaveFormatFileTo = Module['_xmlSaveFormatFileTo'] = createExportWrapper('xmlSaveFormatFileTo', 4);
var _xmlSaveFormatFileEnc = Module['_xmlSaveFormatFileEnc'] = createExportWrapper('xmlSaveFormatFileEnc', 4);
var _xmlSaveFormatFile = Module['_xmlSaveFormatFile'] = createExportWrapper('xmlSaveFormatFile', 3);
var _xmlXIncludeNewContext = Module['_xmlXIncludeNewContext'] = createExportWrapper('xmlXIncludeNewContext', 1);
var _xmlXIncludeFreeContext = Module['_xmlXIncludeFreeContext'] = createExportWrapper('xmlXIncludeFreeContext', 1);
var _xmlXIncludeGetLastError = Module['_xmlXIncludeGetLastError'] = createExportWrapper('xmlXIncludeGetLastError', 1);
var _xmlXIncludeProcessFlagsData = Module['_xmlXIncludeProcessFlagsData'] = createExportWrapper('xmlXIncludeProcessFlagsData', 3);
var _xmlXIncludeProcessFlags = Module['_xmlXIncludeProcessFlags'] = createExportWrapper('xmlXIncludeProcessFlags', 2);
var _xmlXIncludeProcess = Module['_xmlXIncludeProcess'] = createExportWrapper('xmlXIncludeProcess', 1);
var _xmlXPathOrderDocElems = Module['_xmlXPathOrderDocElems'] = createExportWrapper('xmlXPathOrderDocElems', 1);
var ___getTypeName = createExportWrapper('__getTypeName', 1);
var __embind_initialize_bindings = createExportWrapper('_embind_initialize_bindings', 0);
var _libxsltWasmExternalEntityLoader = Module['_libxsltWasmExternalEntityLoader'] = createExportWrapper('libxsltWasmExternalEntityLoader', 3);
var _malloc = Module['_malloc'] = createExportWrapper('malloc', 1);
var _free = Module['_free'] = createExportWrapper('free', 1);
var _pthread_self = () => (_pthread_self = wasmExports['pthread_self'])();
var _fflush = createExportWrapper('fflush', 1);
var _realloc = Module['_realloc'] = createExportWrapper('realloc', 2);
var _calloc = Module['_calloc'] = createExportWrapper('calloc', 2);
var ___original_main = Module['___original_main'] = createExportWrapper('__original_main', 0);
var _main = Module['_main'] = createExportWrapper('main', 2);
var __emscripten_tls_init = createExportWrapper('_emscripten_tls_init', 0);
var __emscripten_thread_init = createExportWrapper('_emscripten_thread_init', 6);
var __emscripten_thread_crashed = createExportWrapper('_emscripten_thread_crashed', 0);
var _emscripten_stack_get_base = () => (_emscripten_stack_get_base = wasmExports['emscripten_stack_get_base'])();
var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports['emscripten_stack_get_end'])();
var __emscripten_run_on_main_thread_js = createExportWrapper('_emscripten_run_on_main_thread_js', 5);
var __emscripten_thread_free_data = createExportWrapper('_emscripten_thread_free_data', 1);
var __emscripten_thread_exit = createExportWrapper('_emscripten_thread_exit', 1);
var _strerror = createExportWrapper('strerror', 1);
var __emscripten_check_mailbox = createExportWrapper('_emscripten_check_mailbox', 0);
var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports['emscripten_stack_init'])();
var _emscripten_stack_set_limits = (a0, a1) => (_emscripten_stack_set_limits = wasmExports['emscripten_stack_set_limits'])(a0, a1);
var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports['emscripten_stack_get_free'])();
var __emscripten_stack_restore = (a0) => (__emscripten_stack_restore = wasmExports['_emscripten_stack_restore'])(a0);
var __emscripten_stack_alloc = (a0) => (__emscripten_stack_alloc = wasmExports['_emscripten_stack_alloc'])(a0);
var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])();
// include: postamble.js
// === Auto-generated postamble setup entry stuff ===
var calledRun;
async function callMain() {
assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
assert(typeof onPreRuns === 'undefined' || onPreRuns.length == 0, 'cannot call main when preRun functions remain to be called');
var entryFunction = _main;
var argc = 0;
var argv = 0;
try {
var ret = entryFunction(argc, argv);
// The current spec of JSPI returns a promise only if the function suspends
// and a plain value otherwise. This will likely change:
// https://github.com/WebAssembly/js-promise-integration/issues/11
ret = await ret;
// if we're not running an evented main loop, it's time to exit
exitJS(ret, /* implicit = */ true);
return ret;
} catch (e) {
return handleException(e);
}
}
function stackCheckInit() {
// This is normally called automatically during __wasm_call_ctors but need to
// get these values before even running any of the ctors so we call it redundantly
// here.
// See $establishStackSpace for the equivalent code that runs on a thread
assert(!ENVIRONMENT_IS_PTHREAD);
_emscripten_stack_init();
// TODO(sbc): Move writeStackCookie to native to to avoid this.
writeStackCookie();
}
function run() {
if (runDependencies > 0) {
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();
preMain();
readyPromiseResolve(Module);
Module['onRuntimeInitialized']?.();
consumedModuleProp('onRuntimeInitialized');
var noInitialRun = Module['noInitialRun'] || false;
if (!noInitialRun) callMain();
postRun();
}
if (Module['setStatus']) {
Module['setStatus']('Running...');
setTimeout(() => {
setTimeout(() => Module['setStatus'](''), 1);
doRun();
}, 1);
} else
{
doRun();
}
checkStackCookie();
}
function checkUnflushedContent() {
// Compiler settings do not allow exiting the runtime, so flushing
// the streams is not possible. but in ASSERTIONS mode we check
// if there was something to flush, and if so tell the user they
// should request that the runtime be exitable.
// Normally we would not even include flush() at all, but in ASSERTIONS
// builds we do so just for this check, and here we see if there is any
// content to flush, that is, we check if there would have been
// something a non-ASSERTIONS build would have not seen.
// How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0
// mode (which has its own special function for this; otherwise, all
// the code is inside libc)
var oldOut = out;
var oldErr = err;
var has = false;
out = err = (x) => {
has = true;
}
try { // it doesn't matter if it fails
_fflush(0);
// also flush in the JS FS layer
['stdout', 'stderr'].forEach((name) => {
var info = FS.analyzePath('/dev/' + name);
if (!info) return;
var stream = info.object;
var rdev = stream.rdev;
var tty = TTY.ttys[rdev];
if (tty?.output?.length) {
has = true;
}
});
} catch(e) {}
out = oldOut;
err = oldErr;
if (has) {
warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the Emscripten FAQ), or make sure to emit a newline when you printf etc.');
}
}
function preInit() {
if (Module['preInit']) {
if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
while (Module['preInit'].length > 0) {
Module['preInit'].shift()();
}
}
consumedModuleProp('preInit');
}
preInit();
run();
// end include: postamble.js
// include: postamble_modularize.js
// In MODULARIZE mode we wrap the generated code in a factory function
// and return either the Module itself, or a promise of the module.
//
// We assign to the `moduleRtn` global here and configure closure to see
// this as and extern so it won't get minified.
moduleRtn = readyPromise;
// Assertion for attempting to access module properties on the incoming
// moduleArg. In the past we used this object as the prototype of the module
// and assigned properties to it, but now we return a distinct object. This
// keeps the instance private until it is ready (i.e the promise has been
// resolved).
for (const prop of Object.keys(Module)) {
if (!(prop in moduleArg)) {
Object.defineProperty(moduleArg, prop, {
configurable: true,
get() {
abort(`Access to module property ('${prop}') is no longer possible via the module constructor argument; Instead, use the result of the module constructor.`)
}
});
}
}
// end include: postamble_modularize.js
return moduleRtn;
}
);
})();
export default LibxsltModule;
var isPthread = globalThis.self?.name?.startsWith('em-pthread');
var isNode = typeof globalThis.process?.versions?.node == 'string';
if (isNode) isPthread = (await import('worker_threads')).workerData === 'em-pthread';
// When running as a pthread, construct a new instance on startup
isPthread && LibxsltModule();