7171 lines
248 KiB
JavaScript
7171 lines
248 KiB
JavaScript
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var Module = (() => {
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var _scriptName = import.meta.url;
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return (
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async function(moduleArg = {}) {
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var moduleRtn;
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// include: shell.js
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// The Module object: Our interface to the outside world. We import
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// and export values on it. There are various ways Module can be used:
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// 1. Not defined. We create it here
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// 2. A function parameter, function(moduleArg) => Promise<Module>
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// 3. pre-run appended it, var Module = {}; ..generated code..
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// 4. External script tag defines var Module.
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// We need to check if Module already exists (e.g. case 3 above).
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// Substitution will be replaced with actual code on later stage of the build,
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// this way Closure Compiler will not mangle it (e.g. case 4. above).
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// Note that if you want to run closure, and also to use Module
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// after the generated code, you will need to define var Module = {};
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// before the code. Then that object will be used in the code, and you
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// can continue to use Module afterwards as well.
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var Module = Object.assign({}, moduleArg);
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// Set up the promise that indicates the Module is initialized
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var readyPromiseResolve, readyPromiseReject;
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var readyPromise = new Promise((resolve, reject) => {
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readyPromiseResolve = resolve;
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readyPromiseReject = reject;
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});
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["_memory","___indirect_function_table","___original_main","___emscripten_embedded_file_data","_main","onRuntimeInitialized"].forEach((prop) => {
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if (!Object.getOwnPropertyDescriptor(readyPromise, prop)) {
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Object.defineProperty(readyPromise, prop, {
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get: () => abort('You are getting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'),
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set: () => abort('You are setting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'),
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});
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}
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});
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// Determine the runtime environment we are in. You can customize this by
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// setting the ENVIRONMENT setting at compile time (see settings.js).
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// Attempt to auto-detect the environment
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var ENVIRONMENT_IS_WEB = typeof window == 'object';
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var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function';
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// N.b. Electron.js environment is simultaneously a NODE-environment, but
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// also a web environment.
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var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string';
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var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
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if (Module['ENVIRONMENT']) {
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throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)');
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}
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if (ENVIRONMENT_IS_NODE) {
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// `require()` is no-op in an ESM module, use `createRequire()` to construct
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// the require()` function. This is only necessary for multi-environment
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// builds, `-sENVIRONMENT=node` emits a static import declaration instead.
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// TODO: Swap all `require()`'s with `import()`'s?
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const { createRequire } = await import('module');
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/** @suppress{duplicate} */
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var require = createRequire(import.meta.url);
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}
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// --pre-jses are emitted after the Module integration code, so that they can
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// refer to Module (if they choose; they can also define Module)
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// Sometimes an existing Module object exists with properties
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// meant to overwrite the default module functionality. Here
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// we collect those properties and reapply _after_ we configure
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// the current environment's defaults to avoid having to be so
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// defensive during initialization.
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var moduleOverrides = Object.assign({}, Module);
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var arguments_ = [];
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var thisProgram = './this.program';
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var quit_ = (status, toThrow) => {
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throw toThrow;
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};
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// `/` should be present at the end if `scriptDirectory` is not empty
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var scriptDirectory = '';
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function locateFile(path) {
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if (Module['locateFile']) {
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return Module['locateFile'](path, scriptDirectory);
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}
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return scriptDirectory + path;
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}
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// Hooks that are implemented differently in different runtime environments.
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var read_,
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readAsync,
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readBinary;
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if (ENVIRONMENT_IS_NODE) {
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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?)');
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var nodeVersion = process.versions.node;
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var numericVersion = nodeVersion.split('.').slice(0, 3);
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numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1);
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var minVersion = 160000;
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if (numericVersion < 160000) {
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throw new Error('This emscripten-generated code requires node v16.0.0 (detected v' + nodeVersion + ')');
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}
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// These modules will usually be used on Node.js. Load them eagerly to avoid
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// the complexity of lazy-loading.
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var fs = require('fs');
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var nodePath = require('path');
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// EXPORT_ES6 + ENVIRONMENT_IS_NODE always requires use of import.meta.url,
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// since there's no way getting the current absolute path of the module when
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// support for that is not available.
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scriptDirectory = require('url').fileURLToPath(new URL('./', import.meta.url)); // includes trailing slash
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// include: node_shell_read.js
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read_ = (filename, binary) => {
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// We need to re-wrap `file://` strings to URLs. Normalizing isn't
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// necessary in that case, the path should already be absolute.
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filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
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return fs.readFileSync(filename, binary ? undefined : 'utf8');
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};
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readBinary = (filename) => {
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var ret = read_(filename, true);
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if (!ret.buffer) {
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ret = new Uint8Array(ret);
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}
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assert(ret.buffer);
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return ret;
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};
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readAsync = (filename, onload, onerror, binary = true) => {
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// See the comment in the `read_` function.
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filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
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fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => {
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if (err) onerror(err);
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else onload(binary ? data.buffer : data);
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});
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};
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// end include: node_shell_read.js
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if (!Module['thisProgram'] && process.argv.length > 1) {
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thisProgram = process.argv[1].replace(/\\/g, '/');
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}
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arguments_ = process.argv.slice(2);
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// MODULARIZE will export the module in the proper place outside, we don't need to export here
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quit_ = (status, toThrow) => {
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process.exitCode = status;
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throw toThrow;
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};
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} else
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if (ENVIRONMENT_IS_SHELL) {
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if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
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} else
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// Note that this includes Node.js workers when relevant (pthreads is enabled).
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// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
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// ENVIRONMENT_IS_NODE.
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if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
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if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
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scriptDirectory = self.location.href;
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} else if (typeof document != 'undefined' && document.currentScript) { // web
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scriptDirectory = document.currentScript.src;
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}
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// When MODULARIZE, this JS may be executed later, after document.currentScript
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// is gone, so we saved it, and we use it here instead of any other info.
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if (_scriptName) {
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scriptDirectory = _scriptName;
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}
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// blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
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// otherwise, slice off the final part of the url to find the script directory.
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// if scriptDirectory does not contain a slash, lastIndexOf will return -1,
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// and scriptDirectory will correctly be replaced with an empty string.
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// If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
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// they are removed because they could contain a slash.
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if (scriptDirectory.startsWith('blob:')) {
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scriptDirectory = '';
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} else {
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scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, '').lastIndexOf('/')+1);
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}
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if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
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{
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// include: web_or_worker_shell_read.js
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read_ = (url) => {
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var xhr = new XMLHttpRequest();
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xhr.open('GET', url, false);
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xhr.send(null);
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return xhr.responseText;
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}
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if (ENVIRONMENT_IS_WORKER) {
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readBinary = (url) => {
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var xhr = new XMLHttpRequest();
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xhr.open('GET', url, false);
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xhr.responseType = 'arraybuffer';
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xhr.send(null);
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return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response));
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};
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}
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readAsync = (url, onload, onerror) => {
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var xhr = new XMLHttpRequest();
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xhr.open('GET', url, true);
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xhr.responseType = 'arraybuffer';
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xhr.onload = () => {
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if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
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onload(xhr.response);
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return;
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}
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onerror();
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};
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xhr.onerror = onerror;
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xhr.send(null);
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}
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// end include: web_or_worker_shell_read.js
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}
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} else
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{
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throw new Error('environment detection error');
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}
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var out = Module['print'] || console.log.bind(console);
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var err = Module['printErr'] || console.error.bind(console);
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// Merge back in the overrides
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Object.assign(Module, moduleOverrides);
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// Free the object hierarchy contained in the overrides, this lets the GC
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// reclaim data used.
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moduleOverrides = null;
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checkIncomingModuleAPI();
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// Emit code to handle expected values on the Module object. This applies Module.x
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// to the proper local x. This has two benefits: first, we only emit it if it is
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// expected to arrive, and second, by using a local everywhere else that can be
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// minified.
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if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_');
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if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram');
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if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_');
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// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
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// Assertions on removed incoming Module JS APIs.
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assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead');
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assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead');
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assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead');
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assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead');
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assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)');
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assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)');
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assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)');
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assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify emscripten_set_window_title in JS)');
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assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY');
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legacyModuleProp('asm', 'wasmExports');
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legacyModuleProp('read', 'read_');
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legacyModuleProp('readAsync', 'readAsync');
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legacyModuleProp('readBinary', 'readBinary');
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legacyModuleProp('setWindowTitle', 'setWindowTitle');
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var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js';
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var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js';
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var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js';
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var FETCHFS = 'FETCHFS is no longer included by default; build with -lfetchfs.js';
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var ICASEFS = 'ICASEFS is no longer included by default; build with -licasefs.js';
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var JSFILEFS = 'JSFILEFS is no longer included by default; build with -ljsfilefs.js';
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var OPFS = 'OPFS is no longer included by default; build with -lopfs.js';
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var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js';
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assert(!ENVIRONMENT_IS_SHELL, 'shell environment detected but not enabled at build time. Add `shell` to `-sENVIRONMENT` to enable.');
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// end include: shell.js
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// include: preamble.js
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// === Preamble library stuff ===
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// Documentation for the public APIs defined in this file must be updated in:
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// site/source/docs/api_reference/preamble.js.rst
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// A prebuilt local version of the documentation is available at:
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// site/build/text/docs/api_reference/preamble.js.txt
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// You can also build docs locally as HTML or other formats in site/
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// An online HTML version (which may be of a different version of Emscripten)
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// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
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var wasmBinary;
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if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary');
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if (typeof WebAssembly != 'object') {
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err('no native wasm support detected');
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}
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// include: base64Utils.js
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// Converts a string of base64 into a byte array (Uint8Array).
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function intArrayFromBase64(s) {
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if (typeof ENVIRONMENT_IS_NODE != 'undefined' && ENVIRONMENT_IS_NODE) {
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var buf = Buffer.from(s, 'base64');
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return new Uint8Array(buf.buffer, buf.byteOffset, buf.length);
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}
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var decoded = atob(s);
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var bytes = new Uint8Array(decoded.length);
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for (var i = 0 ; i < decoded.length ; ++i) {
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bytes[i] = decoded.charCodeAt(i);
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}
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return bytes;
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}
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// If filename is a base64 data URI, parses and returns data (Buffer on node,
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// Uint8Array otherwise). If filename is not a base64 data URI, returns undefined.
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function tryParseAsDataURI(filename) {
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if (!isDataURI(filename)) {
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return;
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}
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return intArrayFromBase64(filename.slice(dataURIPrefix.length));
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}
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// end include: base64Utils.js
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// Wasm globals
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var wasmMemory;
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//========================================
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// Runtime essentials
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//========================================
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// whether we are quitting the application. no code should run after this.
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// set in exit() and abort()
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var ABORT = false;
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// set by exit() and abort(). Passed to 'onExit' handler.
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// NOTE: This is also used as the process return code code in shell environments
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// but only when noExitRuntime is false.
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var EXITSTATUS;
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// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we
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// don't define it at all in release modes. This matches the behaviour of
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// MINIMAL_RUNTIME.
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// TODO(sbc): Make this the default even without STRICT enabled.
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/** @type {function(*, string=)} */
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function assert(condition, text) {
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if (!condition) {
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abort('Assertion failed' + (text ? ': ' + text : ''));
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}
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}
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// We used to include malloc/free by default in the past. Show a helpful error in
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// builds with assertions.
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// Memory management
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var HEAP,
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/** @type {!Int8Array} */
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HEAP8,
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/** @type {!Uint8Array} */
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HEAPU8,
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/** @type {!Int16Array} */
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HEAP16,
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/** @type {!Uint16Array} */
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HEAPU16,
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/** @type {!Int32Array} */
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HEAP32,
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/** @type {!Uint32Array} */
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HEAPU32,
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/** @type {!Float32Array} */
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HEAPF32,
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/** @type {!Float64Array} */
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HEAPF64;
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// include: runtime_shared.js
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function updateMemoryViews() {
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var b = wasmMemory.buffer;
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Module['HEAP8'] = HEAP8 = new Int8Array(b);
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Module['HEAP16'] = HEAP16 = new Int16Array(b);
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Module['HEAPU8'] = HEAPU8 = new Uint8Array(b);
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Module['HEAPU16'] = HEAPU16 = new Uint16Array(b);
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Module['HEAP32'] = HEAP32 = new Int32Array(b);
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Module['HEAPU32'] = HEAPU32 = new Uint32Array(b);
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Module['HEAPF32'] = HEAPF32 = new Float32Array(b);
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Module['HEAPF64'] = HEAPF64 = new Float64Array(b);
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}
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// end include: runtime_shared.js
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assert(!Module['STACK_SIZE'], 'STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time')
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assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined,
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'JS engine does not provide full typed array support');
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// If memory is defined in wasm, the user can't provide it, or set INITIAL_MEMORY
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assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally');
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assert(!Module['INITIAL_MEMORY'], 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically');
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// include: runtime_stack_check.js
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// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
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function writeStackCookie() {
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var max = _emscripten_stack_get_end();
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assert((max & 3) == 0);
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// If the stack ends at address zero we write our cookies 4 bytes into the
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// stack. This prevents interference with SAFE_HEAP and ASAN which also
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// monitor writes to address zero.
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if (max == 0) {
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max += 4;
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}
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// The stack grow downwards towards _emscripten_stack_get_end.
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// We write cookies to the final two words in the stack and detect if they are
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// ever overwritten.
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HEAPU32[((max)>>2)] = 0x02135467;
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HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE;
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// Also test the global address 0 for integrity.
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HEAPU32[((0)>>2)] = 1668509029;
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}
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function checkStackCookie() {
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if (ABORT) return;
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var max = _emscripten_stack_get_end();
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// See writeStackCookie().
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if (max == 0) {
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max += 4;
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}
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var cookie1 = HEAPU32[((max)>>2)];
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var cookie2 = HEAPU32[(((max)+(4))>>2)];
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if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) {
|
|
abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
|
|
}
|
|
// Also test the global address 0 for integrity.
|
|
if (HEAPU32[((0)>>2)] != 0x63736d65 /* 'emsc' */) {
|
|
abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
|
|
}
|
|
}
|
|
// end include: runtime_stack_check.js
|
|
// include: runtime_assertions.js
|
|
// Endianness check
|
|
(function() {
|
|
var h16 = new Int16Array(1);
|
|
var h8 = new Int8Array(h16.buffer);
|
|
h16[0] = 0x6373;
|
|
if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)';
|
|
})();
|
|
|
|
// end include: runtime_assertions.js
|
|
var __ATPRERUN__ = []; // functions called before the runtime is initialized
|
|
var __ATINIT__ = []; // functions called during startup
|
|
var __ATMAIN__ = []; // functions called when main() is to be run
|
|
var __ATEXIT__ = []; // functions called during shutdown
|
|
var __ATPOSTRUN__ = []; // functions called after the main() is called
|
|
|
|
var runtimeInitialized = false;
|
|
|
|
function preRun() {
|
|
if (Module['preRun']) {
|
|
if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
|
|
while (Module['preRun'].length) {
|
|
addOnPreRun(Module['preRun'].shift());
|
|
}
|
|
}
|
|
callRuntimeCallbacks(__ATPRERUN__);
|
|
}
|
|
|
|
function initRuntime() {
|
|
assert(!runtimeInitialized);
|
|
runtimeInitialized = true;
|
|
|
|
checkStackCookie();
|
|
|
|
|
|
if (!Module['noFSInit'] && !FS.init.initialized)
|
|
FS.init();
|
|
FS.ignorePermissions = false;
|
|
|
|
TTY.init();
|
|
callRuntimeCallbacks(__ATINIT__);
|
|
}
|
|
|
|
function preMain() {
|
|
checkStackCookie();
|
|
|
|
callRuntimeCallbacks(__ATMAIN__);
|
|
}
|
|
|
|
function postRun() {
|
|
checkStackCookie();
|
|
|
|
if (Module['postRun']) {
|
|
if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
|
|
while (Module['postRun'].length) {
|
|
addOnPostRun(Module['postRun'].shift());
|
|
}
|
|
}
|
|
|
|
callRuntimeCallbacks(__ATPOSTRUN__);
|
|
}
|
|
|
|
function addOnPreRun(cb) {
|
|
__ATPRERUN__.unshift(cb);
|
|
}
|
|
|
|
function addOnInit(cb) {
|
|
__ATINIT__.unshift(cb);
|
|
}
|
|
|
|
function addOnPreMain(cb) {
|
|
__ATMAIN__.unshift(cb);
|
|
}
|
|
|
|
function addOnExit(cb) {
|
|
}
|
|
|
|
function addOnPostRun(cb) {
|
|
__ATPOSTRUN__.unshift(cb);
|
|
}
|
|
|
|
// include: runtime_math.js
|
|
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc
|
|
|
|
assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
|
|
assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
|
|
assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
|
|
assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
|
|
// end include: runtime_math.js
|
|
// A counter of dependencies for calling run(). If we need to
|
|
// do asynchronous work before running, increment this and
|
|
// decrement it. Incrementing must happen in a place like
|
|
// Module.preRun (used by emcc to add file preloading).
|
|
// Note that you can add dependencies in preRun, even though
|
|
// it happens right before run - run will be postponed until
|
|
// the dependencies are met.
|
|
var runDependencies = 0;
|
|
var runDependencyWatcher = null;
|
|
var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
|
|
var runDependencyTracking = {};
|
|
|
|
function getUniqueRunDependency(id) {
|
|
var orig = id;
|
|
while (1) {
|
|
if (!runDependencyTracking[id]) return id;
|
|
id = orig + Math.random();
|
|
}
|
|
}
|
|
|
|
function addRunDependency(id) {
|
|
runDependencies++;
|
|
|
|
Module['monitorRunDependencies']?.(runDependencies);
|
|
|
|
if (id) {
|
|
assert(!runDependencyTracking[id]);
|
|
runDependencyTracking[id] = 1;
|
|
if (runDependencyWatcher === null && typeof setInterval != 'undefined') {
|
|
// Check for missing dependencies every few seconds
|
|
runDependencyWatcher = setInterval(() => {
|
|
if (ABORT) {
|
|
clearInterval(runDependencyWatcher);
|
|
runDependencyWatcher = null;
|
|
return;
|
|
}
|
|
var shown = false;
|
|
for (var dep in runDependencyTracking) {
|
|
if (!shown) {
|
|
shown = true;
|
|
err('still waiting on run dependencies:');
|
|
}
|
|
err(`dependency: ${dep}`);
|
|
}
|
|
if (shown) {
|
|
err('(end of list)');
|
|
}
|
|
}, 10000);
|
|
}
|
|
} else {
|
|
err('warning: run dependency added without ID');
|
|
}
|
|
}
|
|
|
|
function removeRunDependency(id) {
|
|
runDependencies--;
|
|
|
|
Module['monitorRunDependencies']?.(runDependencies);
|
|
|
|
if (id) {
|
|
assert(runDependencyTracking[id]);
|
|
delete runDependencyTracking[id];
|
|
} else {
|
|
err('warning: run dependency removed without ID');
|
|
}
|
|
if (runDependencies == 0) {
|
|
if (runDependencyWatcher !== null) {
|
|
clearInterval(runDependencyWatcher);
|
|
runDependencyWatcher = null;
|
|
}
|
|
if (dependenciesFulfilled) {
|
|
var callback = dependenciesFulfilled;
|
|
dependenciesFulfilled = null;
|
|
callback(); // can add another dependenciesFulfilled
|
|
}
|
|
}
|
|
}
|
|
|
|
/** @param {string|number=} what */
|
|
function abort(what) {
|
|
Module['onAbort']?.(what);
|
|
|
|
what = 'Aborted(' + what + ')';
|
|
// TODO(sbc): Should we remove printing and leave it up to whoever
|
|
// catches the exception?
|
|
err(what);
|
|
|
|
ABORT = true;
|
|
EXITSTATUS = 1;
|
|
|
|
// Use a wasm runtime error, because a JS error might be seen as a foreign
|
|
// exception, which means we'd run destructors on it. We need the error to
|
|
// simply make the program stop.
|
|
// FIXME This approach does not work in Wasm EH because it currently does not assume
|
|
// all RuntimeErrors are from traps; it decides whether a RuntimeError is from
|
|
// a trap or not based on a hidden field within the object. So at the moment
|
|
// we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
|
|
// allows this in the wasm spec.
|
|
|
|
// Suppress closure compiler warning here. Closure compiler's builtin extern
|
|
// definition for WebAssembly.RuntimeError claims it takes no arguments even
|
|
// though it can.
|
|
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
|
|
/** @suppress {checkTypes} */
|
|
var e = new WebAssembly.RuntimeError(what);
|
|
|
|
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;
|
|
}
|
|
|
|
// include: memoryprofiler.js
|
|
// end include: memoryprofiler.js
|
|
// include: URIUtils.js
|
|
// Prefix of data URIs emitted by SINGLE_FILE and related options.
|
|
var dataURIPrefix = 'data:application/octet-stream;base64,';
|
|
|
|
/**
|
|
* Indicates whether filename is a base64 data URI.
|
|
* @noinline
|
|
*/
|
|
var isDataURI = (filename) => filename.startsWith(dataURIPrefix);
|
|
|
|
/**
|
|
* Indicates whether filename is delivered via file protocol (as opposed to http/https)
|
|
* @noinline
|
|
*/
|
|
var isFileURI = (filename) => filename.startsWith('file://');
|
|
// end include: URIUtils.js
|
|
function createExportWrapper(name, nargs) {
|
|
return (...args) => {
|
|
assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`);
|
|
var f = wasmExports[name];
|
|
assert(f, `exported native function \`${name}\` not found`);
|
|
// Only assert for too many arguments. Too few can be valid since the missing arguments will be zero filled.
|
|
assert(args.length <= nargs, `native function \`${name}\` called with ${args.length} args but expects ${nargs}`);
|
|
return f(...args);
|
|
};
|
|
}
|
|
|
|
// include: runtime_exceptions.js
|
|
// end include: runtime_exceptions.js
|
|
function findWasmBinary() {
|
|
if (Module['locateFile']) {
|
|
var f = 'out.wasm';
|
|
if (!isDataURI(f)) {
|
|
return locateFile(f);
|
|
}
|
|
return f;
|
|
}
|
|
// Use bundler-friendly `new URL(..., import.meta.url)` pattern; works in browsers too.
|
|
return new URL('out.wasm', import.meta.url).href;
|
|
}
|
|
|
|
var wasmBinaryFile;
|
|
|
|
function getBinarySync(file) {
|
|
if (file == wasmBinaryFile && wasmBinary) {
|
|
return new Uint8Array(wasmBinary);
|
|
}
|
|
if (readBinary) {
|
|
return readBinary(file);
|
|
}
|
|
throw 'both async and sync fetching of the wasm failed';
|
|
}
|
|
|
|
function getBinaryPromise(binaryFile) {
|
|
// If we don't have the binary yet, try to load it asynchronously.
|
|
// Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
|
|
// See https://github.com/github/fetch/pull/92#issuecomment-140665932
|
|
// Cordova or Electron apps are typically loaded from a file:// url.
|
|
// So use fetch if it is available and the url is not a file, otherwise fall back to XHR.
|
|
if (!wasmBinary
|
|
&& (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
|
|
if (typeof fetch == 'function'
|
|
&& !isFileURI(binaryFile)
|
|
) {
|
|
return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
|
|
if (!response['ok']) {
|
|
throw `failed to load wasm binary file at '${binaryFile}'`;
|
|
}
|
|
return response['arrayBuffer']();
|
|
}).catch(() => getBinarySync(binaryFile));
|
|
}
|
|
else if (readAsync) {
|
|
// fetch is not available or url is file => try XHR (readAsync uses XHR internally)
|
|
return new Promise((resolve, reject) => {
|
|
readAsync(binaryFile, (response) => resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))), reject)
|
|
});
|
|
}
|
|
}
|
|
|
|
// Otherwise, getBinarySync should be able to get it synchronously
|
|
return Promise.resolve().then(() => getBinarySync(binaryFile));
|
|
}
|
|
|
|
function instantiateArrayBuffer(binaryFile, imports, receiver) {
|
|
return getBinaryPromise(binaryFile).then((binary) => {
|
|
return WebAssembly.instantiate(binary, imports);
|
|
}).then(receiver, (reason) => {
|
|
err(`failed to asynchronously prepare wasm: ${reason}`);
|
|
|
|
// Warn on some common problems.
|
|
if (isFileURI(wasmBinaryFile)) {
|
|
err(`warning: Loading from a file URI (${wasmBinaryFile}) is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing`);
|
|
}
|
|
abort(reason);
|
|
});
|
|
}
|
|
|
|
function instantiateAsync(binary, binaryFile, imports, callback) {
|
|
if (!binary &&
|
|
typeof WebAssembly.instantiateStreaming == 'function' &&
|
|
!isDataURI(binaryFile) &&
|
|
// Don't use streaming for file:// delivered objects in a webview, fetch them synchronously.
|
|
!isFileURI(binaryFile) &&
|
|
// Avoid instantiateStreaming() on Node.js environment for now, as while
|
|
// Node.js v18.1.0 implements it, it does not have a full fetch()
|
|
// implementation yet.
|
|
//
|
|
// Reference:
|
|
// https://github.com/emscripten-core/emscripten/pull/16917
|
|
!ENVIRONMENT_IS_NODE &&
|
|
typeof fetch == 'function') {
|
|
return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
|
|
// Suppress closure warning here since the upstream definition for
|
|
// instantiateStreaming only allows Promise<Repsponse> rather than
|
|
// an actual Response.
|
|
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed.
|
|
/** @suppress {checkTypes} */
|
|
var result = WebAssembly.instantiateStreaming(response, imports);
|
|
|
|
return result.then(
|
|
callback,
|
|
function(reason) {
|
|
// We expect the most common failure cause to be a bad MIME type for the binary,
|
|
// in which case falling back to ArrayBuffer instantiation should work.
|
|
err(`wasm streaming compile failed: ${reason}`);
|
|
err('falling back to ArrayBuffer instantiation');
|
|
return instantiateArrayBuffer(binaryFile, imports, callback);
|
|
});
|
|
});
|
|
}
|
|
return instantiateArrayBuffer(binaryFile, imports, callback);
|
|
}
|
|
|
|
function getWasmImports() {
|
|
// prepare imports
|
|
return {
|
|
'env': wasmImports,
|
|
'wasi_snapshot_preview1': wasmImports,
|
|
}
|
|
}
|
|
|
|
// Create the wasm instance.
|
|
// Receives the wasm imports, returns the exports.
|
|
function createWasm() {
|
|
var info = getWasmImports();
|
|
// Load the wasm module and create an instance of using native support in the JS engine.
|
|
// handle a generated wasm instance, receiving its exports and
|
|
// performing other necessary setup
|
|
/** @param {WebAssembly.Module=} module*/
|
|
function receiveInstance(instance, module) {
|
|
wasmExports = instance.exports;
|
|
|
|
|
|
|
|
wasmMemory = wasmExports['memory'];
|
|
|
|
assert(wasmMemory, 'memory not found in wasm exports');
|
|
updateMemoryViews();
|
|
|
|
wasmTable = wasmExports['__indirect_function_table'];
|
|
|
|
assert(wasmTable, 'table not found in wasm exports');
|
|
|
|
addOnInit(wasmExports['__wasm_call_ctors']);
|
|
|
|
removeRunDependency('wasm-instantiate');
|
|
return wasmExports;
|
|
}
|
|
// wait for the pthread pool (if any)
|
|
addRunDependency('wasm-instantiate');
|
|
|
|
// Prefer streaming instantiation if available.
|
|
// Async compilation can be confusing when an error on the page overwrites Module
|
|
// (for example, if the order of elements is wrong, and the one defining Module is
|
|
// later), so we save Module and check it later.
|
|
var trueModule = Module;
|
|
function receiveInstantiationResult(result) {
|
|
// 'result' is a ResultObject object which has both the module and instance.
|
|
// receiveInstance() will swap in the exports (to Module.asm) so they can be called
|
|
assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?');
|
|
trueModule = null;
|
|
// TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
|
|
// When the regression is fixed, can restore the above PTHREADS-enabled path.
|
|
receiveInstance(result['instance']);
|
|
}
|
|
|
|
// User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
|
|
// to manually instantiate the Wasm module themselves. This allows pages to
|
|
// run the instantiation parallel to any other async startup actions they are
|
|
// performing.
|
|
// Also pthreads and wasm workers initialize the wasm instance through this
|
|
// path.
|
|
if (Module['instantiateWasm']) {
|
|
try {
|
|
return Module['instantiateWasm'](info, receiveInstance);
|
|
} catch(e) {
|
|
err(`Module.instantiateWasm callback failed with error: ${e}`);
|
|
// If instantiation fails, reject the module ready promise.
|
|
readyPromiseReject(e);
|
|
}
|
|
}
|
|
|
|
if (!wasmBinaryFile) wasmBinaryFile = findWasmBinary();
|
|
|
|
// If instantiation fails, reject the module ready promise.
|
|
instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult).catch(readyPromiseReject);
|
|
return {}; // no exports yet; we'll fill them in later
|
|
}
|
|
|
|
// Globals used by JS i64 conversions (see makeSetValue)
|
|
var tempDouble;
|
|
var tempI64;
|
|
|
|
// include: runtime_debug.js
|
|
function legacyModuleProp(prop, newName, incoming=true) {
|
|
if (!Object.getOwnPropertyDescriptor(Module, prop)) {
|
|
Object.defineProperty(Module, prop, {
|
|
configurable: true,
|
|
get() {
|
|
let extra = incoming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : '';
|
|
abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra);
|
|
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
function ignoredModuleProp(prop) {
|
|
if (Object.getOwnPropertyDescriptor(Module, prop)) {
|
|
abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`);
|
|
}
|
|
}
|
|
|
|
// forcing the filesystem exports a few things by default
|
|
function isExportedByForceFilesystem(name) {
|
|
return name === 'FS_createPath' ||
|
|
name === 'FS_createDataFile' ||
|
|
name === 'FS_createPreloadedFile' ||
|
|
name === 'FS_unlink' ||
|
|
name === 'addRunDependency' ||
|
|
// The old FS has some functionality that WasmFS lacks.
|
|
name === 'FS_createLazyFile' ||
|
|
name === 'FS_createDevice' ||
|
|
name === 'removeRunDependency';
|
|
}
|
|
|
|
function missingGlobal(sym, msg) {
|
|
if (typeof globalThis != 'undefined') {
|
|
Object.defineProperty(globalThis, sym, {
|
|
configurable: true,
|
|
get() {
|
|
warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`);
|
|
return undefined;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer');
|
|
missingGlobal('asm', 'Please use wasmExports instead');
|
|
|
|
function missingLibrarySymbol(sym) {
|
|
if (typeof globalThis != 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
|
|
Object.defineProperty(globalThis, sym, {
|
|
configurable: true,
|
|
get() {
|
|
// Can't `abort()` here because it would break code that does runtime
|
|
// checks. e.g. `if (typeof SDL === 'undefined')`.
|
|
var msg = `\`${sym}\` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line`;
|
|
// DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in
|
|
// library.js, which means $name for a JS name with no prefix, or name
|
|
// for a JS name like _name.
|
|
var librarySymbol = sym;
|
|
if (!librarySymbol.startsWith('_')) {
|
|
librarySymbol = '$' + sym;
|
|
}
|
|
msg += ` (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='${librarySymbol}')`;
|
|
if (isExportedByForceFilesystem(sym)) {
|
|
msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
|
|
}
|
|
warnOnce(msg);
|
|
return undefined;
|
|
}
|
|
});
|
|
}
|
|
// Any symbol that is not included from the JS library is also (by definition)
|
|
// not exported on the Module object.
|
|
unexportedRuntimeSymbol(sym);
|
|
}
|
|
|
|
function unexportedRuntimeSymbol(sym) {
|
|
if (!Object.getOwnPropertyDescriptor(Module, sym)) {
|
|
Object.defineProperty(Module, sym, {
|
|
configurable: true,
|
|
get() {
|
|
var msg = `'${sym}' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)`;
|
|
if (isExportedByForceFilesystem(sym)) {
|
|
msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
|
|
}
|
|
abort(msg);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
// Used by XXXXX_DEBUG settings to output debug messages.
|
|
function dbg(...args) {
|
|
// TODO(sbc): Make this configurable somehow. Its not always convenient for
|
|
// logging to show up as warnings.
|
|
console.warn(...args);
|
|
}
|
|
// end include: runtime_debug.js
|
|
// === Body ===
|
|
// end include: preamble.js
|
|
|
|
|
|
/** @constructor */
|
|
function ExitStatus(status) {
|
|
this.name = 'ExitStatus';
|
|
this.message = `Program terminated with exit(${status})`;
|
|
this.status = status;
|
|
}
|
|
|
|
var callRuntimeCallbacks = (callbacks) => {
|
|
while (callbacks.length > 0) {
|
|
// Pass the module as the first argument.
|
|
callbacks.shift()(Module);
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* @param {number} ptr
|
|
* @param {string} type
|
|
*/
|
|
function getValue(ptr, type = 'i8') {
|
|
if (type.endsWith('*')) type = '*';
|
|
switch (type) {
|
|
case 'i1': return HEAP8[ptr];
|
|
case 'i8': return HEAP8[ptr];
|
|
case 'i16': return HEAP16[((ptr)>>1)];
|
|
case 'i32': return HEAP32[((ptr)>>2)];
|
|
case 'i64': abort('to do getValue(i64) use WASM_BIGINT');
|
|
case 'float': return HEAPF32[((ptr)>>2)];
|
|
case 'double': return HEAPF64[((ptr)>>3)];
|
|
case '*': return HEAPU32[((ptr)>>2)];
|
|
default: abort(`invalid type for getValue: ${type}`);
|
|
}
|
|
}
|
|
|
|
var noExitRuntime = Module['noExitRuntime'] || true;
|
|
|
|
var ptrToString = (ptr) => {
|
|
assert(typeof ptr === 'number');
|
|
// With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
|
|
ptr >>>= 0;
|
|
return '0x' + ptr.toString(16).padStart(8, '0');
|
|
};
|
|
|
|
|
|
/**
|
|
* @param {number} ptr
|
|
* @param {number} value
|
|
* @param {string} type
|
|
*/
|
|
function setValue(ptr, value, type = 'i8') {
|
|
if (type.endsWith('*')) type = '*';
|
|
switch (type) {
|
|
case 'i1': HEAP8[ptr] = value; break;
|
|
case 'i8': HEAP8[ptr] = value; break;
|
|
case 'i16': HEAP16[((ptr)>>1)] = value; break;
|
|
case 'i32': HEAP32[((ptr)>>2)] = value; break;
|
|
case 'i64': abort('to do setValue(i64) use WASM_BIGINT');
|
|
case 'float': HEAPF32[((ptr)>>2)] = value; break;
|
|
case 'double': HEAPF64[((ptr)>>3)] = value; break;
|
|
case '*': HEAPU32[((ptr)>>2)] = value; break;
|
|
default: abort(`invalid type for setValue: ${type}`);
|
|
}
|
|
}
|
|
|
|
var stackRestore = (val) => __emscripten_stack_restore(val);
|
|
|
|
var stackSave = () => _emscripten_stack_get_current();
|
|
|
|
var warnOnce = (text) => {
|
|
warnOnce.shown ||= {};
|
|
if (!warnOnce.shown[text]) {
|
|
warnOnce.shown[text] = 1;
|
|
if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
|
|
err(text);
|
|
}
|
|
};
|
|
|
|
var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined;
|
|
|
|
/**
|
|
* Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
|
|
* array that contains uint8 values, returns a copy of that string as a
|
|
* Javascript String object.
|
|
* heapOrArray is either a regular array, or a JavaScript typed array view.
|
|
* @param {number} idx
|
|
* @param {number=} maxBytesToRead
|
|
* @return {string}
|
|
*/
|
|
var UTF8ArrayToString = (heapOrArray, idx, maxBytesToRead) => {
|
|
var endIdx = idx + maxBytesToRead;
|
|
var endPtr = idx;
|
|
// TextDecoder needs to know the byte length in advance, it doesn't stop on
|
|
// null terminator by itself. Also, use the length info to avoid running tiny
|
|
// strings through TextDecoder, since .subarray() allocates garbage.
|
|
// (As a tiny code save trick, compare endPtr against endIdx using a negation,
|
|
// so that undefined means Infinity)
|
|
while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
|
|
|
|
if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
|
|
return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr));
|
|
}
|
|
var str = '';
|
|
// If building with TextDecoder, we have already computed the string length
|
|
// above, so test loop end condition against that
|
|
while (idx < endPtr) {
|
|
// For UTF8 byte structure, see:
|
|
// http://en.wikipedia.org/wiki/UTF-8#Description
|
|
// https://www.ietf.org/rfc/rfc2279.txt
|
|
// https://tools.ietf.org/html/rfc3629
|
|
var u0 = heapOrArray[idx++];
|
|
if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
|
|
var u1 = heapOrArray[idx++] & 63;
|
|
if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
|
|
var u2 = heapOrArray[idx++] & 63;
|
|
if ((u0 & 0xF0) == 0xE0) {
|
|
u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
|
|
} else {
|
|
if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte ' + ptrToString(u0) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!');
|
|
u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63);
|
|
}
|
|
|
|
if (u0 < 0x10000) {
|
|
str += String.fromCharCode(u0);
|
|
} else {
|
|
var ch = u0 - 0x10000;
|
|
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
|
|
}
|
|
}
|
|
return str;
|
|
};
|
|
|
|
/**
|
|
* Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
|
|
* emscripten HEAP, returns a copy of that string as a Javascript String object.
|
|
*
|
|
* @param {number} ptr
|
|
* @param {number=} maxBytesToRead - An optional length that specifies the
|
|
* maximum number of bytes to read. You can omit this parameter to scan the
|
|
* string until the first 0 byte. If maxBytesToRead is passed, and the string
|
|
* at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
|
|
* string will cut short at that byte index (i.e. maxBytesToRead will not
|
|
* produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing
|
|
* frequent uses of UTF8ToString() with and without maxBytesToRead may throw
|
|
* JS JIT optimizations off, so it is worth to consider consistently using one
|
|
* @return {string}
|
|
*/
|
|
var UTF8ToString = (ptr, maxBytesToRead) => {
|
|
assert(typeof ptr == 'number', `UTF8ToString expects a number (got ${typeof ptr})`);
|
|
return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
|
|
};
|
|
var ___assert_fail = (condition, filename, line, func) => {
|
|
abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']);
|
|
};
|
|
|
|
var PATH = {
|
|
isAbs:(path) => path.charAt(0) === '/',
|
|
splitPath:(filename) => {
|
|
var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
|
|
return splitPathRe.exec(filename).slice(1);
|
|
},
|
|
normalizeArray:(parts, allowAboveRoot) => {
|
|
// if the path tries to go above the root, `up` ends up > 0
|
|
var up = 0;
|
|
for (var i = parts.length - 1; i >= 0; i--) {
|
|
var last = parts[i];
|
|
if (last === '.') {
|
|
parts.splice(i, 1);
|
|
} else if (last === '..') {
|
|
parts.splice(i, 1);
|
|
up++;
|
|
} else if (up) {
|
|
parts.splice(i, 1);
|
|
up--;
|
|
}
|
|
}
|
|
// if the path is allowed to go above the root, restore leading ..s
|
|
if (allowAboveRoot) {
|
|
for (; up; up--) {
|
|
parts.unshift('..');
|
|
}
|
|
}
|
|
return parts;
|
|
},
|
|
normalize:(path) => {
|
|
var isAbsolute = PATH.isAbs(path),
|
|
trailingSlash = path.substr(-1) === '/';
|
|
// Normalize the path
|
|
path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/');
|
|
if (!path && !isAbsolute) {
|
|
path = '.';
|
|
}
|
|
if (path && trailingSlash) {
|
|
path += '/';
|
|
}
|
|
return (isAbsolute ? '/' : '') + path;
|
|
},
|
|
dirname:(path) => {
|
|
var result = PATH.splitPath(path),
|
|
root = result[0],
|
|
dir = result[1];
|
|
if (!root && !dir) {
|
|
// No dirname whatsoever
|
|
return '.';
|
|
}
|
|
if (dir) {
|
|
// It has a dirname, strip trailing slash
|
|
dir = dir.substr(0, dir.length - 1);
|
|
}
|
|
return root + dir;
|
|
},
|
|
basename:(path) => {
|
|
// EMSCRIPTEN return '/'' for '/', not an empty string
|
|
if (path === '/') return '/';
|
|
path = PATH.normalize(path);
|
|
path = path.replace(/\/$/, "");
|
|
var lastSlash = path.lastIndexOf('/');
|
|
if (lastSlash === -1) return path;
|
|
return path.substr(lastSlash+1);
|
|
},
|
|
join:(...paths) => PATH.normalize(paths.join('/')),
|
|
join2:(l, r) => PATH.normalize(l + '/' + r),
|
|
};
|
|
|
|
var initRandomFill = () => {
|
|
if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') {
|
|
// for modern web browsers
|
|
return (view) => crypto.getRandomValues(view);
|
|
} else
|
|
if (ENVIRONMENT_IS_NODE) {
|
|
// for nodejs with or without crypto support included
|
|
try {
|
|
var crypto_module = require('crypto');
|
|
var randomFillSync = crypto_module['randomFillSync'];
|
|
if (randomFillSync) {
|
|
// nodejs with LTS crypto support
|
|
return (view) => crypto_module['randomFillSync'](view);
|
|
}
|
|
// very old nodejs with the original crypto API
|
|
var randomBytes = crypto_module['randomBytes'];
|
|
return (view) => (
|
|
view.set(randomBytes(view.byteLength)),
|
|
// Return the original view to match modern native implementations.
|
|
view
|
|
);
|
|
} catch (e) {
|
|
// nodejs doesn't have crypto support
|
|
}
|
|
}
|
|
// we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096
|
|
abort('no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: (array) => { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };');
|
|
};
|
|
var randomFill = (view) => {
|
|
// Lazily init on the first invocation.
|
|
return (randomFill = initRandomFill())(view);
|
|
};
|
|
|
|
|
|
|
|
var PATH_FS = {
|
|
resolve:(...args) => {
|
|
var resolvedPath = '',
|
|
resolvedAbsolute = false;
|
|
for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
|
|
var path = (i >= 0) ? args[i] : FS.cwd();
|
|
// Skip empty and invalid entries
|
|
if (typeof path != 'string') {
|
|
throw new TypeError('Arguments to path.resolve must be strings');
|
|
} else if (!path) {
|
|
return ''; // an invalid portion invalidates the whole thing
|
|
}
|
|
resolvedPath = path + '/' + resolvedPath;
|
|
resolvedAbsolute = PATH.isAbs(path);
|
|
}
|
|
// At this point the path should be resolved to a full absolute path, but
|
|
// handle relative paths to be safe (might happen when process.cwd() fails)
|
|
resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter((p) => !!p), !resolvedAbsolute).join('/');
|
|
return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
|
|
},
|
|
relative:(from, to) => {
|
|
from = PATH_FS.resolve(from).substr(1);
|
|
to = PATH_FS.resolve(to).substr(1);
|
|
function trim(arr) {
|
|
var start = 0;
|
|
for (; start < arr.length; start++) {
|
|
if (arr[start] !== '') break;
|
|
}
|
|
var end = arr.length - 1;
|
|
for (; end >= 0; end--) {
|
|
if (arr[end] !== '') break;
|
|
}
|
|
if (start > end) return [];
|
|
return arr.slice(start, end - start + 1);
|
|
}
|
|
var fromParts = trim(from.split('/'));
|
|
var toParts = trim(to.split('/'));
|
|
var length = Math.min(fromParts.length, toParts.length);
|
|
var samePartsLength = length;
|
|
for (var i = 0; i < length; i++) {
|
|
if (fromParts[i] !== toParts[i]) {
|
|
samePartsLength = i;
|
|
break;
|
|
}
|
|
}
|
|
var outputParts = [];
|
|
for (var i = samePartsLength; i < fromParts.length; i++) {
|
|
outputParts.push('..');
|
|
}
|
|
outputParts = outputParts.concat(toParts.slice(samePartsLength));
|
|
return outputParts.join('/');
|
|
},
|
|
};
|
|
|
|
|
|
|
|
var FS_stdin_getChar_buffer = [];
|
|
|
|
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=)} */
|
|
function 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 (typeof window != 'undefined' &&
|
|
typeof window.prompt == 'function') {
|
|
// Browser.
|
|
result = window.prompt('Input: '); // returns null on cancel
|
|
if (result !== null) {
|
|
result += '\n';
|
|
}
|
|
} else
|
|
{}
|
|
if (!result) {
|
|
return null;
|
|
}
|
|
FS_stdin_getChar_buffer = intArrayFromString(result, true);
|
|
}
|
|
return FS_stdin_getChar_buffer.shift();
|
|
};
|
|
var TTY = {
|
|
ttys:[],
|
|
init() {
|
|
// https://github.com/emscripten-core/emscripten/pull/1555
|
|
// if (ENVIRONMENT_IS_NODE) {
|
|
// // currently, FS.init does not distinguish if process.stdin is a file or TTY
|
|
// // device, it always assumes it's a TTY device. because of this, we're forcing
|
|
// // process.stdin to UTF8 encoding to at least make stdin reading compatible
|
|
// // with text files until FS.init can be refactored.
|
|
// process.stdin.setEncoding('utf8');
|
|
// }
|
|
},
|
|
shutdown() {
|
|
// https://github.com/emscripten-core/emscripten/pull/1555
|
|
// if (ENVIRONMENT_IS_NODE) {
|
|
// // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
|
|
// // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
|
|
// // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
|
|
// // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
|
|
// // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
|
|
// process.stdin.pause();
|
|
// }
|
|
},
|
|
register(dev, ops) {
|
|
TTY.ttys[dev] = { input: [], output: [], ops: ops };
|
|
FS.registerDevice(dev, TTY.stream_ops);
|
|
},
|
|
stream_ops:{
|
|
open(stream) {
|
|
var tty = TTY.ttys[stream.node.rdev];
|
|
if (!tty) {
|
|
throw new FS.ErrnoError(43);
|
|
}
|
|
stream.tty = tty;
|
|
stream.seekable = false;
|
|
},
|
|
close(stream) {
|
|
// flush any pending line data
|
|
stream.tty.ops.fsync(stream.tty);
|
|
},
|
|
fsync(stream) {
|
|
stream.tty.ops.fsync(stream.tty);
|
|
},
|
|
read(stream, buffer, offset, length, pos /* ignored */) {
|
|
if (!stream.tty || !stream.tty.ops.get_char) {
|
|
throw new FS.ErrnoError(60);
|
|
}
|
|
var bytesRead = 0;
|
|
for (var i = 0; i < length; i++) {
|
|
var result;
|
|
try {
|
|
result = stream.tty.ops.get_char(stream.tty);
|
|
} catch (e) {
|
|
throw new FS.ErrnoError(29);
|
|
}
|
|
if (result === undefined && bytesRead === 0) {
|
|
throw new FS.ErrnoError(6);
|
|
}
|
|
if (result === null || result === undefined) break;
|
|
bytesRead++;
|
|
buffer[offset+i] = result;
|
|
}
|
|
if (bytesRead) {
|
|
stream.node.timestamp = 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.timestamp = 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, 0));
|
|
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 && tty.output.length > 0) {
|
|
out(UTF8ArrayToString(tty.output, 0));
|
|
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, 0));
|
|
tty.output = [];
|
|
} else {
|
|
if (val != 0) tty.output.push(val);
|
|
}
|
|
},
|
|
fsync(tty) {
|
|
if (tty.output && tty.output.length > 0) {
|
|
err(UTF8ArrayToString(tty.output, 0));
|
|
tty.output = [];
|
|
}
|
|
},
|
|
},
|
|
};
|
|
|
|
|
|
var zeroMemory = (address, size) => {
|
|
HEAPU8.fill(0, address, address + size);
|
|
return address;
|
|
};
|
|
|
|
var alignMemory = (size, alignment) => {
|
|
assert(alignment, "alignment argument is required");
|
|
return Math.ceil(size / alignment) * alignment;
|
|
};
|
|
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, '/', 16384 | 511 /* 0777 */, 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,
|
|
allocate: MEMFS.stream_ops.allocate,
|
|
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.timestamp = Date.now();
|
|
// add the new node to the parent
|
|
if (parent) {
|
|
parent.contents[name] = node;
|
|
parent.timestamp = node.timestamp;
|
|
}
|
|
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.timestamp);
|
|
attr.mtime = new Date(node.timestamp);
|
|
attr.ctime = new Date(node.timestamp);
|
|
// 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) {
|
|
if (attr.mode !== undefined) {
|
|
node.mode = attr.mode;
|
|
}
|
|
if (attr.timestamp !== undefined) {
|
|
node.timestamp = attr.timestamp;
|
|
}
|
|
if (attr.size !== undefined) {
|
|
MEMFS.resizeFileStorage(node, attr.size);
|
|
}
|
|
},
|
|
lookup(parent, name) {
|
|
throw FS.genericErrors[44];
|
|
},
|
|
mknod(parent, name, mode, dev) {
|
|
return MEMFS.createNode(parent, name, mode, dev);
|
|
},
|
|
rename(old_node, new_dir, new_name) {
|
|
// if we're overwriting a directory at new_name, make sure it's empty.
|
|
if (FS.isDir(old_node.mode)) {
|
|
var new_node;
|
|
try {
|
|
new_node = FS.lookupNode(new_dir, new_name);
|
|
} catch (e) {
|
|
}
|
|
if (new_node) {
|
|
for (var i in new_node.contents) {
|
|
throw new FS.ErrnoError(55);
|
|
}
|
|
}
|
|
}
|
|
// do the internal rewiring
|
|
delete old_node.parent.contents[old_node.name];
|
|
old_node.parent.timestamp = Date.now()
|
|
old_node.name = new_name;
|
|
new_dir.contents[new_name] = old_node;
|
|
new_dir.timestamp = old_node.parent.timestamp;
|
|
old_node.parent = new_dir;
|
|
},
|
|
unlink(parent, name) {
|
|
delete parent.contents[name];
|
|
parent.timestamp = 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.timestamp = Date.now();
|
|
},
|
|
readdir(node) {
|
|
var entries = ['.', '..'];
|
|
for (var key of Object.keys(node.contents)) {
|
|
entries.push(key);
|
|
}
|
|
return entries;
|
|
},
|
|
symlink(parent, newname, oldpath) {
|
|
var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 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 the buffer is located in main memory (HEAP), and if
|
|
// memory can grow, we can't hold on to references of the
|
|
// memory buffer, as they may get invalidated. That means we
|
|
// need to do copy its contents.
|
|
if (buffer.buffer === HEAP8.buffer) {
|
|
canOwn = false;
|
|
}
|
|
|
|
if (!length) return 0;
|
|
var node = stream.node;
|
|
node.timestamp = 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;
|
|
},
|
|
allocate(stream, offset, length) {
|
|
MEMFS.expandFileStorage(stream.node, offset + length);
|
|
stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
|
|
},
|
|
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.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 {
|
|
// 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);
|
|
}
|
|
}
|
|
allocated = true;
|
|
ptr = mmapAlloc(length);
|
|
if (!ptr) {
|
|
throw new FS.ErrnoError(48);
|
|
}
|
|
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;
|
|
},
|
|
},
|
|
};
|
|
|
|
/** @param {boolean=} noRunDep */
|
|
var asyncLoad = (url, onload, onerror, noRunDep) => {
|
|
var dep = !noRunDep ? getUniqueRunDependency(`al ${url}`) : '';
|
|
readAsync(url, (arrayBuffer) => {
|
|
assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
|
|
onload(new Uint8Array(arrayBuffer));
|
|
if (dep) removeRunDependency(dep);
|
|
}, (event) => {
|
|
if (onerror) {
|
|
onerror();
|
|
} else {
|
|
throw `Loading data file "${url}" failed.`;
|
|
}
|
|
});
|
|
if (dep) addRunDependency(dep);
|
|
};
|
|
|
|
|
|
var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
|
|
FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn);
|
|
};
|
|
|
|
var preloadPlugins = Module['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, 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_MESSAGES = {
|
|
0:"Success",
|
|
1:"Arg list too long",
|
|
2:"Permission denied",
|
|
3:"Address already in use",
|
|
4:"Address not available",
|
|
5:"Address family not supported by protocol family",
|
|
6:"No more processes",
|
|
7:"Socket already connected",
|
|
8:"Bad file number",
|
|
9:"Trying to read unreadable message",
|
|
10:"Mount device busy",
|
|
11:"Operation canceled",
|
|
12:"No children",
|
|
13:"Connection aborted",
|
|
14:"Connection refused",
|
|
15:"Connection reset by peer",
|
|
16:"File locking deadlock error",
|
|
17:"Destination address required",
|
|
18:"Math arg out of domain of func",
|
|
19:"Quota exceeded",
|
|
20:"File exists",
|
|
21:"Bad address",
|
|
22:"File too large",
|
|
23:"Host is unreachable",
|
|
24:"Identifier removed",
|
|
25:"Illegal byte sequence",
|
|
26:"Connection already in progress",
|
|
27:"Interrupted system call",
|
|
28:"Invalid argument",
|
|
29:"I/O error",
|
|
30:"Socket is already connected",
|
|
31:"Is a directory",
|
|
32:"Too many symbolic links",
|
|
33:"Too many open files",
|
|
34:"Too many links",
|
|
35:"Message too long",
|
|
36:"Multihop attempted",
|
|
37:"File or path name too long",
|
|
38:"Network interface is not configured",
|
|
39:"Connection reset by network",
|
|
40:"Network is unreachable",
|
|
41:"Too many open files in system",
|
|
42:"No buffer space available",
|
|
43:"No such device",
|
|
44:"No such file or directory",
|
|
45:"Exec format error",
|
|
46:"No record locks available",
|
|
47:"The link has been severed",
|
|
48:"Not enough core",
|
|
49:"No message of desired type",
|
|
50:"Protocol not available",
|
|
51:"No space left on device",
|
|
52:"Function not implemented",
|
|
53:"Socket is not connected",
|
|
54:"Not a directory",
|
|
55:"Directory not empty",
|
|
56:"State not recoverable",
|
|
57:"Socket operation on non-socket",
|
|
59:"Not a typewriter",
|
|
60:"No such device or address",
|
|
61:"Value too large for defined data type",
|
|
62:"Previous owner died",
|
|
63:"Not super-user",
|
|
64:"Broken pipe",
|
|
65:"Protocol error",
|
|
66:"Unknown protocol",
|
|
67:"Protocol wrong type for socket",
|
|
68:"Math result not representable",
|
|
69:"Read only file system",
|
|
70:"Illegal seek",
|
|
71:"No such process",
|
|
72:"Stale file handle",
|
|
73:"Connection timed out",
|
|
74:"Text file busy",
|
|
75:"Cross-device link",
|
|
100:"Device not a stream",
|
|
101:"Bad font file fmt",
|
|
102:"Invalid slot",
|
|
103:"Invalid request code",
|
|
104:"No anode",
|
|
105:"Block device required",
|
|
106:"Channel number out of range",
|
|
107:"Level 3 halted",
|
|
108:"Level 3 reset",
|
|
109:"Link number out of range",
|
|
110:"Protocol driver not attached",
|
|
111:"No CSI structure available",
|
|
112:"Level 2 halted",
|
|
113:"Invalid exchange",
|
|
114:"Invalid request descriptor",
|
|
115:"Exchange full",
|
|
116:"No data (for no delay io)",
|
|
117:"Timer expired",
|
|
118:"Out of streams resources",
|
|
119:"Machine is not on the network",
|
|
120:"Package not installed",
|
|
121:"The object is remote",
|
|
122:"Advertise error",
|
|
123:"Srmount error",
|
|
124:"Communication error on send",
|
|
125:"Cross mount point (not really error)",
|
|
126:"Given log. name not unique",
|
|
127:"f.d. invalid for this operation",
|
|
128:"Remote address changed",
|
|
129:"Can access a needed shared lib",
|
|
130:"Accessing a corrupted shared lib",
|
|
131:".lib section in a.out corrupted",
|
|
132:"Attempting to link in too many libs",
|
|
133:"Attempting to exec a shared library",
|
|
135:"Streams pipe error",
|
|
136:"Too many users",
|
|
137:"Socket type not supported",
|
|
138:"Not supported",
|
|
139:"Protocol family not supported",
|
|
140:"Can't send after socket shutdown",
|
|
141:"Too many references",
|
|
142:"Host is down",
|
|
148:"No medium (in tape drive)",
|
|
156:"Level 2 not synchronized",
|
|
};
|
|
|
|
var ERRNO_CODES = {
|
|
'EPERM': 63,
|
|
'ENOENT': 44,
|
|
'ESRCH': 71,
|
|
'EINTR': 27,
|
|
'EIO': 29,
|
|
'ENXIO': 60,
|
|
'E2BIG': 1,
|
|
'ENOEXEC': 45,
|
|
'EBADF': 8,
|
|
'ECHILD': 12,
|
|
'EAGAIN': 6,
|
|
'EWOULDBLOCK': 6,
|
|
'ENOMEM': 48,
|
|
'EACCES': 2,
|
|
'EFAULT': 21,
|
|
'ENOTBLK': 105,
|
|
'EBUSY': 10,
|
|
'EEXIST': 20,
|
|
'EXDEV': 75,
|
|
'ENODEV': 43,
|
|
'ENOTDIR': 54,
|
|
'EISDIR': 31,
|
|
'EINVAL': 28,
|
|
'ENFILE': 41,
|
|
'EMFILE': 33,
|
|
'ENOTTY': 59,
|
|
'ETXTBSY': 74,
|
|
'EFBIG': 22,
|
|
'ENOSPC': 51,
|
|
'ESPIPE': 70,
|
|
'EROFS': 69,
|
|
'EMLINK': 34,
|
|
'EPIPE': 64,
|
|
'EDOM': 18,
|
|
'ERANGE': 68,
|
|
'ENOMSG': 49,
|
|
'EIDRM': 24,
|
|
'ECHRNG': 106,
|
|
'EL2NSYNC': 156,
|
|
'EL3HLT': 107,
|
|
'EL3RST': 108,
|
|
'ELNRNG': 109,
|
|
'EUNATCH': 110,
|
|
'ENOCSI': 111,
|
|
'EL2HLT': 112,
|
|
'EDEADLK': 16,
|
|
'ENOLCK': 46,
|
|
'EBADE': 113,
|
|
'EBADR': 114,
|
|
'EXFULL': 115,
|
|
'ENOANO': 104,
|
|
'EBADRQC': 103,
|
|
'EBADSLT': 102,
|
|
'EDEADLOCK': 16,
|
|
'EBFONT': 101,
|
|
'ENOSTR': 100,
|
|
'ENODATA': 116,
|
|
'ETIME': 117,
|
|
'ENOSR': 118,
|
|
'ENONET': 119,
|
|
'ENOPKG': 120,
|
|
'EREMOTE': 121,
|
|
'ENOLINK': 47,
|
|
'EADV': 122,
|
|
'ESRMNT': 123,
|
|
'ECOMM': 124,
|
|
'EPROTO': 65,
|
|
'EMULTIHOP': 36,
|
|
'EDOTDOT': 125,
|
|
'EBADMSG': 9,
|
|
'ENOTUNIQ': 126,
|
|
'EBADFD': 127,
|
|
'EREMCHG': 128,
|
|
'ELIBACC': 129,
|
|
'ELIBBAD': 130,
|
|
'ELIBSCN': 131,
|
|
'ELIBMAX': 132,
|
|
'ELIBEXEC': 133,
|
|
'ENOSYS': 52,
|
|
'ENOTEMPTY': 55,
|
|
'ENAMETOOLONG': 37,
|
|
'ELOOP': 32,
|
|
'EOPNOTSUPP': 138,
|
|
'EPFNOSUPPORT': 139,
|
|
'ECONNRESET': 15,
|
|
'ENOBUFS': 42,
|
|
'EAFNOSUPPORT': 5,
|
|
'EPROTOTYPE': 67,
|
|
'ENOTSOCK': 57,
|
|
'ENOPROTOOPT': 50,
|
|
'ESHUTDOWN': 140,
|
|
'ECONNREFUSED': 14,
|
|
'EADDRINUSE': 3,
|
|
'ECONNABORTED': 13,
|
|
'ENETUNREACH': 40,
|
|
'ENETDOWN': 38,
|
|
'ETIMEDOUT': 73,
|
|
'EHOSTDOWN': 142,
|
|
'EHOSTUNREACH': 23,
|
|
'EINPROGRESS': 26,
|
|
'EALREADY': 7,
|
|
'EDESTADDRREQ': 17,
|
|
'EMSGSIZE': 35,
|
|
'EPROTONOSUPPORT': 66,
|
|
'ESOCKTNOSUPPORT': 137,
|
|
'EADDRNOTAVAIL': 4,
|
|
'ENETRESET': 39,
|
|
'EISCONN': 30,
|
|
'ENOTCONN': 53,
|
|
'ETOOMANYREFS': 141,
|
|
'EUSERS': 136,
|
|
'EDQUOT': 19,
|
|
'ESTALE': 72,
|
|
'ENOTSUP': 138,
|
|
'ENOMEDIUM': 148,
|
|
'EILSEQ': 25,
|
|
'EOVERFLOW': 61,
|
|
'ECANCELED': 11,
|
|
'ENOTRECOVERABLE': 56,
|
|
'EOWNERDEAD': 62,
|
|
'ESTRPIPE': 135,
|
|
};
|
|
var FS = {
|
|
root:null,
|
|
mounts:[],
|
|
devices:{
|
|
},
|
|
streams:[],
|
|
nextInode:1,
|
|
nameTable:null,
|
|
currentPath:"/",
|
|
initialized:false,
|
|
ignorePermissions:true,
|
|
ErrnoError:class extends Error {
|
|
// 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(ERRNO_MESSAGES[errno]);
|
|
// TODO(sbc): Use the inline member declaration syntax once we
|
|
// support it in acorn and closure.
|
|
this.name = 'ErrnoError';
|
|
this.errno = errno;
|
|
for (var key in ERRNO_CODES) {
|
|
if (ERRNO_CODES[key] === errno) {
|
|
this.code = key;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
genericErrors:{
|
|
},
|
|
filesystems:null,
|
|
syncFSRequests:0,
|
|
FSStream:class {
|
|
constructor() {
|
|
// TODO(https://github.com/emscripten-core/emscripten/issues/21414):
|
|
// Use inline field declarations.
|
|
this.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 {
|
|
constructor(parent, name, mode, rdev) {
|
|
if (!parent) {
|
|
parent = this; // root node sets parent to itself
|
|
}
|
|
this.parent = parent;
|
|
this.mount = parent.mount;
|
|
this.mounted = null;
|
|
this.id = FS.nextInode++;
|
|
this.name = name;
|
|
this.mode = mode;
|
|
this.node_ops = {};
|
|
this.stream_ops = {};
|
|
this.rdev = rdev;
|
|
this.readMode = 292/*292*/ | 73/*73*/;
|
|
this.writeMode = 146/*146*/;
|
|
}
|
|
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 = {}) {
|
|
path = PATH_FS.resolve(path);
|
|
|
|
if (!path) return { path: '', node: null };
|
|
|
|
var defaults = {
|
|
follow_mount: true,
|
|
recurse_count: 0
|
|
};
|
|
opts = Object.assign(defaults, opts)
|
|
|
|
if (opts.recurse_count > 8) { // max recursive lookup of 8
|
|
throw new FS.ErrnoError(32);
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
current = FS.lookupNode(current, parts[i]);
|
|
current_path = PATH.join2(current_path, parts[i]);
|
|
|
|
// jump to the mount's root node if this is a mountpoint
|
|
if (FS.isMountpoint(current)) {
|
|
if (!islast || (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 (!islast || opts.follow) {
|
|
var count = 0;
|
|
while (FS.isLink(current.mode)) {
|
|
var link = FS.readlink(current_path);
|
|
current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
|
|
|
|
var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count + 1 });
|
|
current = lookup.node;
|
|
|
|
if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
|
|
throw new FS.ErrnoError(32);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return { path: current_path, node: current };
|
|
},
|
|
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) {
|
|
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)) { // TODO: check for O_SEARCH? (== search for dir only)
|
|
return 31;
|
|
}
|
|
}
|
|
return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
|
|
},
|
|
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) {
|
|
|
|
// 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;
|
|
},
|
|
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 || name === '.' || name === '..') {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
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);
|
|
},
|
|
create(path, mode) {
|
|
mode = mode !== undefined ? mode : 438 /* 0666 */;
|
|
mode &= 4095;
|
|
mode |= 32768;
|
|
return FS.mknod(path, mode, 0);
|
|
},
|
|
mkdir(path, mode) {
|
|
mode = mode !== undefined ? mode : 511 /* 0777 */;
|
|
mode &= 511 | 512;
|
|
mode |= 16384;
|
|
return FS.mknod(path, mode, 0);
|
|
},
|
|
mkdirTree(path, mode) {
|
|
var dirs = path.split('/');
|
|
var d = '';
|
|
for (var i = 0; i < dirs.length; ++i) {
|
|
if (!dirs[i]) continue;
|
|
d += '/' + dirs[i];
|
|
try {
|
|
FS.mkdir(d, mode);
|
|
} catch(e) {
|
|
if (e.errno != 20) throw e;
|
|
}
|
|
}
|
|
},
|
|
mkdev(path, mode, dev) {
|
|
if (typeof dev == 'undefined') {
|
|
dev = mode;
|
|
mode = 438 /* 0666 */;
|
|
}
|
|
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);
|
|
} 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;
|
|
if (!node.node_ops.readdir) {
|
|
throw new FS.ErrnoError(54);
|
|
}
|
|
return node.node_ops.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 PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
|
|
},
|
|
stat(path, dontFollow) {
|
|
var lookup = FS.lookupPath(path, { follow: !dontFollow });
|
|
var node = lookup.node;
|
|
if (!node) {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
if (!node.node_ops.getattr) {
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
return node.node_ops.getattr(node);
|
|
},
|
|
lstat(path) {
|
|
return FS.stat(path, true);
|
|
},
|
|
chmod(path, mode, dontFollow) {
|
|
var node;
|
|
if (typeof path == 'string') {
|
|
var lookup = FS.lookupPath(path, { follow: !dontFollow });
|
|
node = lookup.node;
|
|
} else {
|
|
node = path;
|
|
}
|
|
if (!node.node_ops.setattr) {
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
node.node_ops.setattr(node, {
|
|
mode: (mode & 4095) | (node.mode & ~4095),
|
|
timestamp: Date.now()
|
|
});
|
|
},
|
|
lchmod(path, mode) {
|
|
FS.chmod(path, mode, true);
|
|
},
|
|
fchmod(fd, mode) {
|
|
var stream = FS.getStreamChecked(fd);
|
|
FS.chmod(stream.node, mode);
|
|
},
|
|
chown(path, uid, gid, dontFollow) {
|
|
var node;
|
|
if (typeof path == 'string') {
|
|
var lookup = FS.lookupPath(path, { follow: !dontFollow });
|
|
node = lookup.node;
|
|
} else {
|
|
node = path;
|
|
}
|
|
if (!node.node_ops.setattr) {
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
node.node_ops.setattr(node, {
|
|
timestamp: Date.now()
|
|
// we ignore the uid / gid for now
|
|
});
|
|
},
|
|
lchown(path, uid, gid) {
|
|
FS.chown(path, uid, gid, true);
|
|
},
|
|
fchown(fd, uid, gid) {
|
|
var stream = FS.getStreamChecked(fd);
|
|
FS.chown(stream.node, uid, gid);
|
|
},
|
|
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;
|
|
}
|
|
if (!node.node_ops.setattr) {
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
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);
|
|
}
|
|
node.node_ops.setattr(node, {
|
|
size: len,
|
|
timestamp: Date.now()
|
|
});
|
|
},
|
|
ftruncate(fd, len) {
|
|
var stream = FS.getStreamChecked(fd);
|
|
if ((stream.flags & 2097155) === 0) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
FS.truncate(stream.node, len);
|
|
},
|
|
utime(path, atime, mtime) {
|
|
var lookup = FS.lookupPath(path, { follow: true });
|
|
var node = lookup.node;
|
|
node.node_ops.setattr(node, {
|
|
timestamp: Math.max(atime, mtime)
|
|
});
|
|
},
|
|
open(path, flags, mode) {
|
|
if (path === "") {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
flags = typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags;
|
|
if ((flags & 64)) {
|
|
mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode;
|
|
mode = (mode & 4095) | 32768;
|
|
} else {
|
|
mode = 0;
|
|
}
|
|
var node;
|
|
if (typeof path == 'object') {
|
|
node = path;
|
|
} else {
|
|
path = PATH.normalize(path);
|
|
try {
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: !(flags & 131072)
|
|
});
|
|
node = lookup.node;
|
|
} catch (e) {
|
|
// ignore
|
|
}
|
|
}
|
|
// 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 {
|
|
// node doesn't exist, try to create it
|
|
node = FS.mknod(path, mode, 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 (Module['logReadFiles'] && !(flags & 1)) {
|
|
if (!FS.readFiles) FS.readFiles = {};
|
|
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;
|
|
},
|
|
allocate(stream, offset, length) {
|
|
if (FS.isClosed(stream)) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (offset < 0 || length <= 0) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
if ((stream.flags & 2097155) === 0) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
|
|
throw new FS.ErrnoError(43);
|
|
}
|
|
if (!stream.stream_ops.allocate) {
|
|
throw new FS.ErrnoError(138);
|
|
}
|
|
stream.stream_ops.allocate(stream, offset, length);
|
|
},
|
|
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);
|
|
}
|
|
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, 0);
|
|
} 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,
|
|
});
|
|
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) {
|
|
randomLeft = randomFill(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', 16384 | 511 /* 0777 */, 73);
|
|
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 },
|
|
};
|
|
ret.parent = ret; // make it look like a simple root node
|
|
return ret;
|
|
}
|
|
};
|
|
return node;
|
|
}
|
|
}, {}, '/proc/self/fd');
|
|
},
|
|
createStandardStreams() {
|
|
// 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 (Module['stdin']) {
|
|
FS.createDevice('/dev', 'stdin', Module['stdin']);
|
|
} else {
|
|
FS.symlink('/dev/tty', '/dev/stdin');
|
|
}
|
|
if (Module['stdout']) {
|
|
FS.createDevice('/dev', 'stdout', null, Module['stdout']);
|
|
} else {
|
|
FS.symlink('/dev/tty', '/dev/stdout');
|
|
}
|
|
if (Module['stderr']) {
|
|
FS.createDevice('/dev', 'stderr', null, Module['stderr']);
|
|
} 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() {
|
|
// Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info)
|
|
[44].forEach((code) => {
|
|
FS.genericErrors[code] = new FS.ErrnoError(code);
|
|
FS.genericErrors[code].stack = '<generic error, no stack>';
|
|
});
|
|
|
|
FS.nameTable = new Array(4096);
|
|
|
|
FS.mount(MEMFS, {}, '/');
|
|
|
|
FS.createDefaultDirectories();
|
|
FS.createDefaultDevices();
|
|
FS.createSpecialDirectories();
|
|
|
|
FS.filesystems = {
|
|
'MEMFS': MEMFS,
|
|
};
|
|
},
|
|
init(input, output, error) {
|
|
assert(!FS.init.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.init.initialized = true;
|
|
|
|
// Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
|
|
Module['stdin'] = input || Module['stdin'];
|
|
Module['stdout'] = output || Module['stdout'];
|
|
Module['stderr'] = error || Module['stderr'];
|
|
|
|
FS.createStandardStreams();
|
|
},
|
|
quit() {
|
|
FS.init.initialized = false;
|
|
// force-flush all streams, so we get musl std streams printed out
|
|
_fflush(0);
|
|
// close all of our streams
|
|
for (var i = 0; i < FS.streams.length; i++) {
|
|
var stream = FS.streams[i];
|
|
if (!stream) {
|
|
continue;
|
|
}
|
|
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) {
|
|
// ignore EEXIST
|
|
}
|
|
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);
|
|
if (!FS.createDevice.major) 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.timestamp = 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.timestamp = 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 if (read_) {
|
|
// Command-line.
|
|
try {
|
|
// WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
|
|
// read() will try to parse UTF8.
|
|
obj.contents = intArrayFromString(read_(obj.url), true);
|
|
obj.usedBytes = obj.contents.length;
|
|
} catch (e) {
|
|
throw new FS.ErrnoError(29);
|
|
}
|
|
} else {
|
|
throw new Error('Cannot load without read() or XMLHttpRequest.');
|
|
}
|
|
},
|
|
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 {
|
|
constructor() {
|
|
this.lengthKnown = false;
|
|
this.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 PATH.join2(dir, path);
|
|
},
|
|
doStat(func, path, buf) {
|
|
var stat = func(path);
|
|
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;
|
|
(tempI64 = [stat.size>>>0,(tempDouble = stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(24))>>2)] = tempI64[0],HEAP32[(((buf)+(28))>>2)] = tempI64[1]);
|
|
HEAP32[(((buf)+(32))>>2)] = 4096;
|
|
HEAP32[(((buf)+(36))>>2)] = stat.blocks;
|
|
var atime = stat.atime.getTime();
|
|
var mtime = stat.mtime.getTime();
|
|
var ctime = stat.ctime.getTime();
|
|
(tempI64 = [Math.floor(atime / 1000)>>>0,(tempDouble = Math.floor(atime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]);
|
|
HEAPU32[(((buf)+(48))>>2)] = (atime % 1000) * 1000;
|
|
(tempI64 = [Math.floor(mtime / 1000)>>>0,(tempDouble = Math.floor(mtime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(56))>>2)] = tempI64[0],HEAP32[(((buf)+(60))>>2)] = tempI64[1]);
|
|
HEAPU32[(((buf)+(64))>>2)] = (mtime % 1000) * 1000;
|
|
(tempI64 = [Math.floor(ctime / 1000)>>>0,(tempDouble = Math.floor(ctime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(72))>>2)] = tempI64[0],HEAP32[(((buf)+(76))>>2)] = tempI64[1]);
|
|
HEAPU32[(((buf)+(80))>>2)] = (ctime % 1000) * 1000;
|
|
(tempI64 = [stat.ino>>>0,(tempDouble = stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]);
|
|
return 0;
|
|
},
|
|
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_chdir(path) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
FS.chdir(path);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_chmod(path, mode) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
FS.chmod(path, mode);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
/** @suppress {duplicate } */
|
|
function 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) {
|
|
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:
|
|
return 0; // Pretend that the locking is successful.
|
|
}
|
|
return -28;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_fstat64(fd, buf) {
|
|
try {
|
|
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
return SYSCALLS.doStat(FS.stat, stream.path, buf);
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
var stringToUTF8 = (str, outPtr, maxBytesToWrite) => {
|
|
assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
|
|
return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
|
|
};
|
|
function ___syscall_getcwd(buf, size) {
|
|
try {
|
|
|
|
if (size === 0) return -28;
|
|
var cwd = FS.cwd();
|
|
var cwdLengthInBytes = lengthBytesUTF8(cwd) + 1;
|
|
if (size < cwdLengthInBytes) return -68;
|
|
stringToUTF8(cwd, buf, size);
|
|
return cwdLengthInBytes;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
function ___syscall_getdents64(fd, dirp, count) {
|
|
try {
|
|
|
|
var stream = SYSCALLS.getStreamFromFD(fd)
|
|
stream.getdents ||= FS.readdir(stream.path);
|
|
|
|
var struct_size = 280;
|
|
var pos = 0;
|
|
var off = FS.llseek(stream, 0, 1);
|
|
|
|
var idx = Math.floor(off / struct_size);
|
|
|
|
while (idx < stream.getdents.length && pos + struct_size <= count) {
|
|
var id;
|
|
var type;
|
|
var name = stream.getdents[idx];
|
|
if (name === '.') {
|
|
id = stream.node.id;
|
|
type = 4; // DT_DIR
|
|
}
|
|
else if (name === '..') {
|
|
var lookup = FS.lookupPath(stream.path, { parent: true });
|
|
id = lookup.node.id;
|
|
type = 4; // DT_DIR
|
|
}
|
|
else {
|
|
var child = FS.lookupNode(stream.node, name);
|
|
id = child.id;
|
|
type = FS.isChrdev(child.mode) ? 2 : // DT_CHR, character device.
|
|
FS.isDir(child.mode) ? 4 : // DT_DIR, directory.
|
|
FS.isLink(child.mode) ? 10 : // DT_LNK, symbolic link.
|
|
8; // DT_REG, regular file.
|
|
}
|
|
assert(id);
|
|
(tempI64 = [id>>>0,(tempDouble = id,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[((dirp + pos)>>2)] = tempI64[0],HEAP32[(((dirp + pos)+(4))>>2)] = tempI64[1]);
|
|
(tempI64 = [(idx + 1) * struct_size>>>0,(tempDouble = (idx + 1) * struct_size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((dirp + pos)+(8))>>2)] = tempI64[0],HEAP32[(((dirp + pos)+(12))>>2)] = tempI64[1]);
|
|
HEAP16[(((dirp + pos)+(16))>>1)] = 280;
|
|
HEAP8[(dirp + pos)+(18)] = type;
|
|
stringToUTF8(name, dirp + pos + 19, 256);
|
|
pos += struct_size;
|
|
idx += 1;
|
|
}
|
|
FS.llseek(stream, idx * struct_size, 0);
|
|
return pos;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
function ___syscall_ioctl(fd, op, varargs) {
|
|
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) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
return SYSCALLS.doStat(FS.lstat, path, buf);
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_mkdirat(dirfd, path, mode) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
// remove a trailing slash, if one - /a/b/ has basename of '', but
|
|
// we want to create b in the context of this function
|
|
path = PATH.normalize(path);
|
|
if (path[path.length-1] === '/') path = path.substr(0, path.length-1);
|
|
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) {
|
|
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.doStat(nofollow ? FS.lstat : FS.stat, path, buf);
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
function ___syscall_openat(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_readlinkat(dirfd, path, buf, bufsize) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
if (bufsize <= 0) return -28;
|
|
var ret = FS.readlink(path);
|
|
|
|
var len = Math.min(bufsize, lengthBytesUTF8(ret));
|
|
var endChar = HEAP8[buf+len];
|
|
stringToUTF8(ret, buf, bufsize+1);
|
|
// readlink is one of the rare functions that write out a C string, but does never append a null to the output buffer(!)
|
|
// stringToUTF8() always appends a null byte, so restore the character under the null byte after the write.
|
|
HEAP8[buf+len] = endChar;
|
|
return len;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_renameat(olddirfd, oldpath, newdirfd, newpath) {
|
|
try {
|
|
|
|
oldpath = SYSCALLS.getStr(oldpath);
|
|
newpath = SYSCALLS.getStr(newpath);
|
|
oldpath = SYSCALLS.calculateAt(olddirfd, oldpath);
|
|
newpath = SYSCALLS.calculateAt(newdirfd, newpath);
|
|
FS.rename(oldpath, newpath);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_rmdir(path) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
FS.rmdir(path);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_stat64(path, buf) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
return SYSCALLS.doStat(FS.stat, path, buf);
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_symlink(target, linkpath) {
|
|
try {
|
|
|
|
target = SYSCALLS.getStr(target);
|
|
linkpath = SYSCALLS.getStr(linkpath);
|
|
FS.symlink(target, linkpath);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_unlinkat(dirfd, path, flags) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
if (flags === 0) {
|
|
FS.unlink(path);
|
|
} else if (flags === 512) {
|
|
FS.rmdir(path);
|
|
} else {
|
|
abort('Invalid flags passed to unlinkat');
|
|
}
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
var readI53FromI64 = (ptr) => {
|
|
return HEAPU32[((ptr)>>2)] + HEAP32[(((ptr)+(4))>>2)] * 4294967296;
|
|
};
|
|
|
|
function ___syscall_utimensat(dirfd, path, times, flags) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
assert(flags === 0);
|
|
path = SYSCALLS.calculateAt(dirfd, path, true);
|
|
if (!times) {
|
|
var atime = Date.now();
|
|
var mtime = atime;
|
|
} else {
|
|
var seconds = readI53FromI64(times);
|
|
var nanoseconds = HEAP32[(((times)+(8))>>2)];
|
|
atime = (seconds*1000) + (nanoseconds/(1000*1000));
|
|
times += 16;
|
|
seconds = readI53FromI64(times);
|
|
nanoseconds = HEAP32[(((times)+(8))>>2)];
|
|
mtime = (seconds*1000) + (nanoseconds/(1000*1000));
|
|
}
|
|
FS.utime(path, atime, mtime);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
var __abort_js = () => {
|
|
abort('native code called abort()');
|
|
};
|
|
|
|
var structRegistrations = {
|
|
};
|
|
|
|
var runDestructors = (destructors) => {
|
|
while (destructors.length) {
|
|
var ptr = destructors.pop();
|
|
var del = destructors.pop();
|
|
del(ptr);
|
|
}
|
|
};
|
|
|
|
/** @suppress {globalThis} */
|
|
function readPointer(pointer) {
|
|
return this['fromWireType'](HEAPU32[((pointer)>>2)]);
|
|
}
|
|
|
|
var awaitingDependencies = {
|
|
};
|
|
|
|
var registeredTypes = {
|
|
};
|
|
|
|
var typeDependencies = {
|
|
};
|
|
|
|
var InternalError;
|
|
var throwInternalError = (message) => { throw new InternalError(message); };
|
|
var whenDependentTypesAreResolved = (myTypes, dependentTypes, getTypeConverters) => {
|
|
myTypes.forEach(function(type) {
|
|
typeDependencies[type] = dependentTypes;
|
|
});
|
|
|
|
function onComplete(typeConverters) {
|
|
var myTypeConverters = getTypeConverters(typeConverters);
|
|
if (myTypeConverters.length !== myTypes.length) {
|
|
throwInternalError('Mismatched type converter count');
|
|
}
|
|
for (var i = 0; i < myTypes.length; ++i) {
|
|
registerType(myTypes[i], myTypeConverters[i]);
|
|
}
|
|
}
|
|
|
|
var typeConverters = new Array(dependentTypes.length);
|
|
var unregisteredTypes = [];
|
|
var registered = 0;
|
|
dependentTypes.forEach((dt, i) => {
|
|
if (registeredTypes.hasOwnProperty(dt)) {
|
|
typeConverters[i] = registeredTypes[dt];
|
|
} else {
|
|
unregisteredTypes.push(dt);
|
|
if (!awaitingDependencies.hasOwnProperty(dt)) {
|
|
awaitingDependencies[dt] = [];
|
|
}
|
|
awaitingDependencies[dt].push(() => {
|
|
typeConverters[i] = registeredTypes[dt];
|
|
++registered;
|
|
if (registered === unregisteredTypes.length) {
|
|
onComplete(typeConverters);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
if (0 === unregisteredTypes.length) {
|
|
onComplete(typeConverters);
|
|
}
|
|
};
|
|
var __embind_finalize_value_object = (structType) => {
|
|
var reg = structRegistrations[structType];
|
|
delete structRegistrations[structType];
|
|
|
|
var rawConstructor = reg.rawConstructor;
|
|
var rawDestructor = reg.rawDestructor;
|
|
var fieldRecords = reg.fields;
|
|
var fieldTypes = fieldRecords.map((field) => field.getterReturnType).
|
|
concat(fieldRecords.map((field) => field.setterArgumentType));
|
|
whenDependentTypesAreResolved([structType], fieldTypes, (fieldTypes) => {
|
|
var fields = {};
|
|
fieldRecords.forEach((field, i) => {
|
|
var fieldName = field.fieldName;
|
|
var getterReturnType = fieldTypes[i];
|
|
var getter = field.getter;
|
|
var getterContext = field.getterContext;
|
|
var setterArgumentType = fieldTypes[i + fieldRecords.length];
|
|
var setter = field.setter;
|
|
var setterContext = field.setterContext;
|
|
fields[fieldName] = {
|
|
read: (ptr) => getterReturnType['fromWireType'](getter(getterContext, ptr)),
|
|
write: (ptr, o) => {
|
|
var destructors = [];
|
|
setter(setterContext, ptr, setterArgumentType['toWireType'](destructors, o));
|
|
runDestructors(destructors);
|
|
}
|
|
};
|
|
});
|
|
|
|
return [{
|
|
name: reg.name,
|
|
'fromWireType': (ptr) => {
|
|
var rv = {};
|
|
for (var i in fields) {
|
|
rv[i] = fields[i].read(ptr);
|
|
}
|
|
rawDestructor(ptr);
|
|
return rv;
|
|
},
|
|
'toWireType': (destructors, o) => {
|
|
// todo: Here we have an opportunity for -O3 level "unsafe" optimizations:
|
|
// assume all fields are present without checking.
|
|
for (var fieldName in fields) {
|
|
if (!(fieldName in o)) {
|
|
throw new TypeError(`Missing field: "${fieldName}"`);
|
|
}
|
|
}
|
|
var ptr = rawConstructor();
|
|
for (fieldName in fields) {
|
|
fields[fieldName].write(ptr, o[fieldName]);
|
|
}
|
|
if (destructors !== null) {
|
|
destructors.push(rawDestructor, ptr);
|
|
}
|
|
return ptr;
|
|
},
|
|
'argPackAdvance': GenericWireTypeSize,
|
|
'readValueFromPointer': readPointer,
|
|
destructorFunction: rawDestructor,
|
|
}];
|
|
});
|
|
};
|
|
|
|
var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => {};
|
|
|
|
var embind_init_charCodes = () => {
|
|
var codes = new Array(256);
|
|
for (var i = 0; i < 256; ++i) {
|
|
codes[i] = String.fromCharCode(i);
|
|
}
|
|
embind_charCodes = codes;
|
|
};
|
|
var embind_charCodes;
|
|
var readLatin1String = (ptr) => {
|
|
var ret = "";
|
|
var c = ptr;
|
|
while (HEAPU8[c]) {
|
|
ret += embind_charCodes[HEAPU8[c++]];
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
|
|
|
|
|
|
var 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 (!('argPackAdvance' in registeredInstance)) {
|
|
throw new TypeError('registerType registeredInstance requires argPackAdvance');
|
|
}
|
|
return sharedRegisterType(rawType, registeredInstance, options);
|
|
}
|
|
|
|
var GenericWireTypeSize = 8;
|
|
/** @suppress {globalThis} */
|
|
var __embind_register_bool = (rawType, name, trueValue, falseValue) => {
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name,
|
|
'fromWireType': function(wt) {
|
|
// ambiguous emscripten ABI: sometimes return values are
|
|
// true or false, and sometimes integers (0 or 1)
|
|
return !!wt;
|
|
},
|
|
'toWireType': function(destructors, o) {
|
|
return o ? trueValue : falseValue;
|
|
},
|
|
'argPackAdvance': GenericWireTypeSize,
|
|
'readValueFromPointer': function(pointer) {
|
|
return this['fromWireType'](HEAPU8[pointer]);
|
|
},
|
|
destructorFunction: null, // This type does not need a destructor
|
|
});
|
|
};
|
|
|
|
|
|
var emval_freelist = [];
|
|
|
|
var emval_handles = [];
|
|
var __emval_decref = (handle) => {
|
|
if (handle > 9 && 0 === --emval_handles[handle + 1]) {
|
|
assert(emval_handles[handle] !== undefined, `Decref for unallocated handle.`);
|
|
emval_handles[handle] = undefined;
|
|
emval_freelist.push(handle);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
var count_emval_handles = () => {
|
|
return emval_handles.length / 2 - 5 - emval_freelist.length;
|
|
};
|
|
|
|
var init_emval = () => {
|
|
// reserve 0 and some special values. These never get de-allocated.
|
|
emval_handles.push(
|
|
0, 1,
|
|
undefined, 1,
|
|
null, 1,
|
|
true, 1,
|
|
false, 1,
|
|
);
|
|
assert(emval_handles.length === 5 * 2);
|
|
Module['count_emval_handles'] = count_emval_handles;
|
|
};
|
|
var Emval = {
|
|
toValue:(handle) => {
|
|
if (!handle) {
|
|
throwBindingError('Cannot use deleted val. handle = ' + handle);
|
|
}
|
|
// handle 2 is supposed to be `undefined`.
|
|
assert(handle === 2 || emval_handles[handle] !== undefined && handle % 2 === 0, `invalid handle: ${handle}`);
|
|
return emval_handles[handle];
|
|
},
|
|
toHandle:(value) => {
|
|
switch (value) {
|
|
case undefined: return 2;
|
|
case null: return 4;
|
|
case true: return 6;
|
|
case false: return 8;
|
|
default:{
|
|
const handle = emval_freelist.pop() || emval_handles.length;
|
|
emval_handles[handle] = value;
|
|
emval_handles[handle + 1] = 1;
|
|
return handle;
|
|
}
|
|
}
|
|
},
|
|
};
|
|
|
|
|
|
var EmValType = {
|
|
name: 'emscripten::val',
|
|
'fromWireType': (handle) => {
|
|
var rv = Emval.toValue(handle);
|
|
__emval_decref(handle);
|
|
return rv;
|
|
},
|
|
'toWireType': (destructors, value) => Emval.toHandle(value),
|
|
'argPackAdvance': GenericWireTypeSize,
|
|
'readValueFromPointer': readPointer,
|
|
destructorFunction: null, // This type does not need a destructor
|
|
|
|
// TODO: do we need a deleteObject here? write a test where
|
|
// emval is passed into JS via an interface
|
|
};
|
|
var __embind_register_emval = (rawType) => registerType(rawType, EmValType);
|
|
|
|
var embindRepr = (v) => {
|
|
if (v === null) {
|
|
return 'null';
|
|
}
|
|
var t = typeof v;
|
|
if (t === 'object' || t === 'array' || t === 'function') {
|
|
return v.toString();
|
|
} else {
|
|
return '' + v;
|
|
}
|
|
};
|
|
|
|
var floatReadValueFromPointer = (name, width) => {
|
|
switch (width) {
|
|
case 4: return function(pointer) {
|
|
return this['fromWireType'](HEAPF32[((pointer)>>2)]);
|
|
};
|
|
case 8: return function(pointer) {
|
|
return this['fromWireType'](HEAPF64[((pointer)>>3)]);
|
|
};
|
|
default:
|
|
throw new TypeError(`invalid float width (${width}): ${name}`);
|
|
}
|
|
};
|
|
|
|
|
|
var __embind_register_float = (rawType, name, size) => {
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name,
|
|
'fromWireType': (value) => value,
|
|
'toWireType': (destructors, value) => {
|
|
if (typeof value != "number" && typeof value != "boolean") {
|
|
throw new TypeError(`Cannot convert ${embindRepr(value)} to ${this.name}`);
|
|
}
|
|
// The VM will perform JS to Wasm value conversion, according to the spec:
|
|
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
|
|
return value;
|
|
},
|
|
'argPackAdvance': GenericWireTypeSize,
|
|
'readValueFromPointer': floatReadValueFromPointer(name, size),
|
|
destructorFunction: null, // This type does not need a destructor
|
|
});
|
|
};
|
|
|
|
var createNamedFunction = (name, body) => Object.defineProperty(body, 'name', {
|
|
value: name
|
|
});
|
|
|
|
|
|
|
|
function usesDestructorStack(argTypes) {
|
|
// Skip return value at index 0 - it's not deleted here.
|
|
for (var i = 1; i < argTypes.length; ++i) {
|
|
// The type does not define a destructor function - must use dynamic stack
|
|
if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function newFunc(constructor, argumentList) {
|
|
if (!(constructor instanceof Function)) {
|
|
throw new TypeError(`new_ called with constructor type ${typeof(constructor)} which is not a function`);
|
|
}
|
|
/*
|
|
* Previously, the following line was just:
|
|
* function dummy() {};
|
|
* Unfortunately, Chrome was preserving 'dummy' as the object's name, even
|
|
* though at creation, the 'dummy' has the correct constructor name. Thus,
|
|
* objects created with IMVU.new would show up in the debugger as 'dummy',
|
|
* which isn't very helpful. Using IMVU.createNamedFunction addresses the
|
|
* issue. Doubly-unfortunately, there's no way to write a test for this
|
|
* behavior. -NRD 2013.02.22
|
|
*/
|
|
var dummy = createNamedFunction(constructor.name || 'unknownFunctionName', function(){});
|
|
dummy.prototype = constructor.prototype;
|
|
var obj = new dummy;
|
|
|
|
var r = constructor.apply(obj, argumentList);
|
|
return (r instanceof Object) ? r : obj;
|
|
}
|
|
|
|
function createJsInvoker(argTypes, isClassMethodFunc, returns, isAsync) {
|
|
var needsDestructorStack = usesDestructorStack(argTypes);
|
|
var argCount = argTypes.length;
|
|
var argsList = "";
|
|
var argsListWired = "";
|
|
for (var i = 0; i < argCount - 2; ++i) {
|
|
argsList += (i!==0?", ":"")+"arg"+i;
|
|
argsListWired += (i!==0?", ":"")+"arg"+i+"Wired";
|
|
}
|
|
|
|
var invokerFnBody = `
|
|
return function (${argsList}) {
|
|
if (arguments.length !== ${argCount - 2}) {
|
|
throwBindingError('function ' + humanName + ' called with ' + arguments.length + ' arguments, expected ${argCount - 2}');
|
|
}`;
|
|
|
|
if (needsDestructorStack) {
|
|
invokerFnBody += "var destructors = [];\n";
|
|
}
|
|
|
|
var dtorStack = needsDestructorStack ? "destructors" : "null";
|
|
var args1 = ["humanName", "throwBindingError", "invoker", "fn", "runDestructors", "retType", "classParam"];
|
|
|
|
if (isClassMethodFunc) {
|
|
invokerFnBody += "var thisWired = classParam['toWireType']("+dtorStack+", this);\n";
|
|
}
|
|
|
|
for (var i = 0; i < argCount - 2; ++i) {
|
|
invokerFnBody += "var arg"+i+"Wired = argType"+i+"['toWireType']("+dtorStack+", arg"+i+");\n";
|
|
args1.push("argType"+i);
|
|
}
|
|
|
|
if (isClassMethodFunc) {
|
|
argsListWired = "thisWired" + (argsListWired.length > 0 ? ", " : "") + argsListWired;
|
|
}
|
|
|
|
invokerFnBody +=
|
|
(returns || isAsync ? "var rv = ":"") + "invoker(fn"+(argsListWired.length>0?", ":"")+argsListWired+");\n";
|
|
|
|
var returnVal = returns ? "rv" : "";
|
|
|
|
if (needsDestructorStack) {
|
|
invokerFnBody += "runDestructors(destructors);\n";
|
|
} else {
|
|
for (var i = isClassMethodFunc?1:2; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here. Also skip class type if not a method.
|
|
var paramName = (i === 1 ? "thisWired" : ("arg"+(i - 2)+"Wired"));
|
|
if (argTypes[i].destructorFunction !== null) {
|
|
invokerFnBody += `${paramName}_dtor(${paramName});\n`;
|
|
args1.push(`${paramName}_dtor`);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (returns) {
|
|
invokerFnBody += "var ret = retType['fromWireType'](rv);\n" +
|
|
"return ret;\n";
|
|
} else {
|
|
}
|
|
|
|
invokerFnBody += "}\n";
|
|
|
|
invokerFnBody = `if (arguments.length !== ${args1.length}){ throw new Error(humanName + "Expected ${args1.length} closure arguments " + arguments.length + " given."); }\n${invokerFnBody}`;
|
|
return [args1, invokerFnBody];
|
|
}
|
|
function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc, /** boolean= */ isAsync) {
|
|
// humanName: a human-readable string name for the function to be generated.
|
|
// argTypes: An array that contains the embind type objects for all types in the function signature.
|
|
// argTypes[0] is the type object for the function return value.
|
|
// argTypes[1] is the type object for function this object/class type, or null if not crafting an invoker for a class method.
|
|
// argTypes[2...] are the actual function parameters.
|
|
// classType: The embind type object for the class to be bound, or null if this is not a method of a class.
|
|
// cppInvokerFunc: JS Function object to the C++-side function that interops into C++ code.
|
|
// cppTargetFunc: Function pointer (an integer to FUNCTION_TABLE) to the target C++ function the cppInvokerFunc will end up calling.
|
|
// isAsync: Optional. If true, returns an async function. Async bindings are only supported with JSPI.
|
|
var argCount = argTypes.length;
|
|
|
|
if (argCount < 2) {
|
|
throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!");
|
|
}
|
|
|
|
assert(!isAsync, 'Async bindings are only supported with JSPI.');
|
|
|
|
var isClassMethodFunc = (argTypes[1] !== null && classType !== null);
|
|
|
|
// Free functions with signature "void function()" do not need an invoker that marshalls between wire types.
|
|
// TODO: This omits argument count check - enable only at -O3 or similar.
|
|
// if (ENABLE_UNSAFE_OPTS && argCount == 2 && argTypes[0].name == "void" && !isClassMethodFunc) {
|
|
// return FUNCTION_TABLE[fn];
|
|
// }
|
|
|
|
// Determine if we need to use a dynamic stack to store the destructors for the function parameters.
|
|
// TODO: Remove this completely once all function invokers are being dynamically generated.
|
|
var needsDestructorStack = usesDestructorStack(argTypes);
|
|
|
|
var returns = (argTypes[0].name !== "void");
|
|
|
|
// Builld the arguments that will be passed into the closure around the invoker
|
|
// function.
|
|
var closureArgs = [humanName, throwBindingError, cppInvokerFunc, cppTargetFunc, runDestructors, argTypes[0], argTypes[1]];
|
|
for (var i = 0; i < argCount - 2; ++i) {
|
|
closureArgs.push(argTypes[i+2]);
|
|
}
|
|
if (!needsDestructorStack) {
|
|
for (var i = isClassMethodFunc?1:2; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here. Also skip class type if not a method.
|
|
if (argTypes[i].destructorFunction !== null) {
|
|
closureArgs.push(argTypes[i].destructorFunction);
|
|
}
|
|
}
|
|
}
|
|
|
|
let [args, invokerFnBody] = createJsInvoker(argTypes, isClassMethodFunc, returns, isAsync);
|
|
args.push(invokerFnBody);
|
|
var invokerFn = newFunc(Function, args)(...closureArgs);
|
|
return createNamedFunction(humanName, invokerFn);
|
|
}
|
|
|
|
var ensureOverloadTable = (proto, methodName, humanName) => {
|
|
if (undefined === proto[methodName].overloadTable) {
|
|
var prevFunc = proto[methodName];
|
|
// Inject an overload resolver function that routes to the appropriate overload based on the number of arguments.
|
|
proto[methodName] = function(...args) {
|
|
// TODO This check can be removed in -O3 level "unsafe" optimizations.
|
|
if (!proto[methodName].overloadTable.hasOwnProperty(args.length)) {
|
|
throwBindingError(`Function '${humanName}' called with an invalid number of arguments (${args.length}) - expects one of (${proto[methodName].overloadTable})!`);
|
|
}
|
|
return proto[methodName].overloadTable[args.length].apply(this, args);
|
|
};
|
|
// Move the previous function into the overload table.
|
|
proto[methodName].overloadTable = [];
|
|
proto[methodName].overloadTable[prevFunc.argCount] = prevFunc;
|
|
}
|
|
};
|
|
|
|
/** @param {number=} numArguments */
|
|
var exposePublicSymbol = (name, value, numArguments) => {
|
|
if (Module.hasOwnProperty(name)) {
|
|
if (undefined === numArguments || (undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments])) {
|
|
throwBindingError(`Cannot register public name '${name}' twice`);
|
|
}
|
|
|
|
// We are exposing a function with the same name as an existing function. Create an overload table and a function selector
|
|
// that routes between the two.
|
|
ensureOverloadTable(Module, name, name);
|
|
if (Module.hasOwnProperty(numArguments)) {
|
|
throwBindingError(`Cannot register multiple overloads of a function with the same number of arguments (${numArguments})!`);
|
|
}
|
|
// Add the new function into the overload table.
|
|
Module[name].overloadTable[numArguments] = value;
|
|
}
|
|
else {
|
|
Module[name] = value;
|
|
if (undefined !== numArguments) {
|
|
Module[name].numArguments = numArguments;
|
|
}
|
|
}
|
|
};
|
|
|
|
var heap32VectorToArray = (count, firstElement) => {
|
|
var array = [];
|
|
for (var i = 0; i < count; i++) {
|
|
// TODO(https://github.com/emscripten-core/emscripten/issues/17310):
|
|
// Find a way to hoist the `>> 2` or `>> 3` out of this loop.
|
|
array.push(HEAPU32[(((firstElement)+(i * 4))>>2)]);
|
|
}
|
|
return array;
|
|
};
|
|
|
|
|
|
/** @param {number=} numArguments */
|
|
var replacePublicSymbol = (name, value, numArguments) => {
|
|
if (!Module.hasOwnProperty(name)) {
|
|
throwInternalError('Replacing nonexistent public symbol');
|
|
}
|
|
// If there's an overload table for this symbol, replace the symbol in the overload table instead.
|
|
if (undefined !== Module[name].overloadTable && undefined !== numArguments) {
|
|
Module[name].overloadTable[numArguments] = value;
|
|
}
|
|
else {
|
|
Module[name] = value;
|
|
Module[name].argCount = numArguments;
|
|
}
|
|
};
|
|
|
|
|
|
|
|
var dynCallLegacy = (sig, ptr, args) => {
|
|
sig = sig.replace(/p/g, 'i')
|
|
assert(('dynCall_' + sig) in Module, `bad function pointer type - dynCall function not found for sig '${sig}'`);
|
|
if (args?.length) {
|
|
// j (64-bit integer) must be passed in as two numbers [low 32, high 32].
|
|
assert(args.length === sig.substring(1).replace(/j/g, '--').length);
|
|
} else {
|
|
assert(sig.length == 1);
|
|
}
|
|
var f = Module['dynCall_' + sig];
|
|
return f(ptr, ...args);
|
|
};
|
|
|
|
var wasmTableMirror = [];
|
|
|
|
/** @type {WebAssembly.Table} */
|
|
var wasmTable;
|
|
var getWasmTableEntry = (funcPtr) => {
|
|
var func = wasmTableMirror[funcPtr];
|
|
if (!func) {
|
|
if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1;
|
|
wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
|
|
}
|
|
assert(wasmTable.get(funcPtr) == func, 'JavaScript-side Wasm function table mirror is out of date!');
|
|
return func;
|
|
};
|
|
|
|
var dynCall = (sig, ptr, args = []) => {
|
|
// Without WASM_BIGINT support we cannot directly call function with i64 as
|
|
// part of their signature, so we rely on the dynCall functions generated by
|
|
// wasm-emscripten-finalize
|
|
if (sig.includes('j')) {
|
|
return dynCallLegacy(sig, ptr, args);
|
|
}
|
|
assert(getWasmTableEntry(ptr), `missing table entry in dynCall: ${ptr}`);
|
|
var rtn = getWasmTableEntry(ptr)(...args);
|
|
return rtn;
|
|
};
|
|
var getDynCaller = (sig, ptr) => {
|
|
assert(sig.includes('j') || sig.includes('p'), 'getDynCaller should only be called with i64 sigs')
|
|
return (...args) => dynCall(sig, ptr, args);
|
|
};
|
|
|
|
|
|
var embind__requireFunction = (signature, rawFunction) => {
|
|
signature = readLatin1String(signature);
|
|
|
|
function makeDynCaller() {
|
|
if (signature.includes('j')) {
|
|
return getDynCaller(signature, rawFunction);
|
|
}
|
|
return getWasmTableEntry(rawFunction);
|
|
}
|
|
|
|
var fp = makeDynCaller();
|
|
if (typeof fp != "function") {
|
|
throwBindingError(`unknown function pointer with signature ${signature}: ${rawFunction}`);
|
|
}
|
|
return fp;
|
|
};
|
|
|
|
|
|
|
|
var extendError = (baseErrorType, errorName) => {
|
|
var errorClass = createNamedFunction(errorName, function(message) {
|
|
this.name = errorName;
|
|
this.message = message;
|
|
|
|
var stack = (new Error(message)).stack;
|
|
if (stack !== undefined) {
|
|
this.stack = this.toString() + '\n' +
|
|
stack.replace(/^Error(:[^\n]*)?\n/, '');
|
|
}
|
|
});
|
|
errorClass.prototype = Object.create(baseErrorType.prototype);
|
|
errorClass.prototype.constructor = errorClass;
|
|
errorClass.prototype.toString = function() {
|
|
if (this.message === undefined) {
|
|
return this.name;
|
|
} else {
|
|
return `${this.name}: ${this.message}`;
|
|
}
|
|
};
|
|
|
|
return errorClass;
|
|
};
|
|
var UnboundTypeError;
|
|
|
|
|
|
|
|
var getTypeName = (type) => {
|
|
var ptr = ___getTypeName(type);
|
|
var rv = readLatin1String(ptr);
|
|
_free(ptr);
|
|
return rv;
|
|
};
|
|
var throwUnboundTypeError = (message, types) => {
|
|
var unboundTypes = [];
|
|
var seen = {};
|
|
function visit(type) {
|
|
if (seen[type]) {
|
|
return;
|
|
}
|
|
if (registeredTypes[type]) {
|
|
return;
|
|
}
|
|
if (typeDependencies[type]) {
|
|
typeDependencies[type].forEach(visit);
|
|
return;
|
|
}
|
|
unboundTypes.push(type);
|
|
seen[type] = true;
|
|
}
|
|
types.forEach(visit);
|
|
|
|
throw new UnboundTypeError(`${message}: ` + unboundTypes.map(getTypeName).join([', ']));
|
|
};
|
|
|
|
|
|
var getFunctionName = (signature) => {
|
|
signature = signature.trim();
|
|
const argsIndex = signature.indexOf("(");
|
|
if (argsIndex !== -1) {
|
|
assert(signature[signature.length - 1] == ")", "Parentheses for argument names should match.");
|
|
return signature.substr(0, argsIndex);
|
|
} else {
|
|
return signature;
|
|
}
|
|
};
|
|
var __embind_register_function = (name, argCount, rawArgTypesAddr, signature, rawInvoker, fn, isAsync) => {
|
|
var argTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
|
|
name = readLatin1String(name);
|
|
name = getFunctionName(name);
|
|
|
|
rawInvoker = embind__requireFunction(signature, rawInvoker);
|
|
|
|
exposePublicSymbol(name, function() {
|
|
throwUnboundTypeError(`Cannot call ${name} due to unbound types`, argTypes);
|
|
}, argCount - 1);
|
|
|
|
whenDependentTypesAreResolved([], argTypes, (argTypes) => {
|
|
var invokerArgsArray = [argTypes[0] /* return value */, null /* no class 'this'*/].concat(argTypes.slice(1) /* actual params */);
|
|
replacePublicSymbol(name, craftInvokerFunction(name, invokerArgsArray, null /* no class 'this'*/, rawInvoker, fn, isAsync), argCount - 1);
|
|
return [];
|
|
});
|
|
};
|
|
|
|
|
|
var integerReadValueFromPointer = (name, width, signed) => {
|
|
// integers are quite common, so generate very specialized functions
|
|
switch (width) {
|
|
case 1: return signed ?
|
|
(pointer) => HEAP8[pointer] :
|
|
(pointer) => HEAPU8[pointer];
|
|
case 2: return signed ?
|
|
(pointer) => HEAP16[((pointer)>>1)] :
|
|
(pointer) => HEAPU16[((pointer)>>1)]
|
|
case 4: return signed ?
|
|
(pointer) => HEAP32[((pointer)>>2)] :
|
|
(pointer) => HEAPU32[((pointer)>>2)]
|
|
default:
|
|
throw new TypeError(`invalid integer width (${width}): ${name}`);
|
|
}
|
|
};
|
|
|
|
|
|
/** @suppress {globalThis} */
|
|
var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => {
|
|
name = readLatin1String(name);
|
|
// LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come
|
|
// out as 'i32 -1'. Always treat those as max u32.
|
|
if (maxRange === -1) {
|
|
maxRange = 4294967295;
|
|
}
|
|
|
|
var fromWireType = (value) => value;
|
|
|
|
if (minRange === 0) {
|
|
var bitshift = 32 - 8*size;
|
|
fromWireType = (value) => (value << bitshift) >>> bitshift;
|
|
}
|
|
|
|
var isUnsignedType = (name.includes('unsigned'));
|
|
var checkAssertions = (value, toTypeName) => {
|
|
if (typeof value != "number" && typeof value != "boolean") {
|
|
throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${toTypeName}`);
|
|
}
|
|
if (value < minRange || value > maxRange) {
|
|
throw new TypeError(`Passing a number "${embindRepr(value)}" from JS side to C/C++ side to an argument of type "${name}", which is outside the valid range [${minRange}, ${maxRange}]!`);
|
|
}
|
|
}
|
|
var toWireType;
|
|
if (isUnsignedType) {
|
|
toWireType = function(destructors, value) {
|
|
checkAssertions(value, this.name);
|
|
return value >>> 0;
|
|
}
|
|
} else {
|
|
toWireType = function(destructors, value) {
|
|
checkAssertions(value, this.name);
|
|
// The VM will perform JS to Wasm value conversion, according to the spec:
|
|
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
|
|
return value;
|
|
}
|
|
}
|
|
registerType(primitiveType, {
|
|
name,
|
|
'fromWireType': fromWireType,
|
|
'toWireType': toWireType,
|
|
'argPackAdvance': GenericWireTypeSize,
|
|
'readValueFromPointer': integerReadValueFromPointer(name, size, minRange !== 0),
|
|
destructorFunction: null, // This type does not need a destructor
|
|
});
|
|
};
|
|
|
|
|
|
var __embind_register_memory_view = (rawType, dataTypeIndex, name) => {
|
|
var typeMapping = [
|
|
Int8Array,
|
|
Uint8Array,
|
|
Int16Array,
|
|
Uint16Array,
|
|
Int32Array,
|
|
Uint32Array,
|
|
Float32Array,
|
|
Float64Array,
|
|
];
|
|
|
|
var TA = typeMapping[dataTypeIndex];
|
|
|
|
function decodeMemoryView(handle) {
|
|
var size = HEAPU32[((handle)>>2)];
|
|
var data = HEAPU32[(((handle)+(4))>>2)];
|
|
return new TA(HEAP8.buffer, data, size);
|
|
}
|
|
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name,
|
|
'fromWireType': decodeMemoryView,
|
|
'argPackAdvance': GenericWireTypeSize,
|
|
'readValueFromPointer': decodeMemoryView,
|
|
}, {
|
|
ignoreDuplicateRegistrations: true,
|
|
});
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var __embind_register_std_string = (rawType, name) => {
|
|
name = readLatin1String(name);
|
|
var stdStringIsUTF8
|
|
//process only std::string bindings with UTF8 support, in contrast to e.g. std::basic_string<unsigned char>
|
|
= (name === "std::string");
|
|
|
|
registerType(rawType, {
|
|
name,
|
|
// For some method names we use string keys here since they are part of
|
|
// the public/external API and/or used by the runtime-generated code.
|
|
'fromWireType'(value) {
|
|
var length = HEAPU32[((value)>>2)];
|
|
var payload = value + 4;
|
|
|
|
var str;
|
|
if (stdStringIsUTF8) {
|
|
var decodeStartPtr = payload;
|
|
// Looping here to support possible embedded '0' bytes
|
|
for (var i = 0; i <= length; ++i) {
|
|
var currentBytePtr = payload + i;
|
|
if (i == length || HEAPU8[currentBytePtr] == 0) {
|
|
var maxRead = currentBytePtr - decodeStartPtr;
|
|
var stringSegment = UTF8ToString(decodeStartPtr, maxRead);
|
|
if (str === undefined) {
|
|
str = stringSegment;
|
|
} else {
|
|
str += String.fromCharCode(0);
|
|
str += stringSegment;
|
|
}
|
|
decodeStartPtr = currentBytePtr + 1;
|
|
}
|
|
}
|
|
} else {
|
|
var a = new Array(length);
|
|
for (var i = 0; i < length; ++i) {
|
|
a[i] = String.fromCharCode(HEAPU8[payload + i]);
|
|
}
|
|
str = a.join('');
|
|
}
|
|
|
|
_free(value);
|
|
|
|
return str;
|
|
},
|
|
'toWireType'(destructors, value) {
|
|
if (value instanceof ArrayBuffer) {
|
|
value = new Uint8Array(value);
|
|
}
|
|
|
|
var length;
|
|
var valueIsOfTypeString = (typeof value == 'string');
|
|
|
|
if (!(valueIsOfTypeString || value instanceof Uint8Array || value instanceof Uint8ClampedArray || value instanceof Int8Array)) {
|
|
throwBindingError('Cannot pass non-string to std::string');
|
|
}
|
|
if (stdStringIsUTF8 && valueIsOfTypeString) {
|
|
length = lengthBytesUTF8(value);
|
|
} else {
|
|
length = value.length;
|
|
}
|
|
|
|
// assumes POINTER_SIZE alignment
|
|
var base = _malloc(4 + length + 1);
|
|
var ptr = base + 4;
|
|
HEAPU32[((base)>>2)] = length;
|
|
if (stdStringIsUTF8 && valueIsOfTypeString) {
|
|
stringToUTF8(value, ptr, length + 1);
|
|
} else {
|
|
if (valueIsOfTypeString) {
|
|
for (var i = 0; i < length; ++i) {
|
|
var charCode = value.charCodeAt(i);
|
|
if (charCode > 255) {
|
|
_free(ptr);
|
|
throwBindingError('String has UTF-16 code units that do not fit in 8 bits');
|
|
}
|
|
HEAPU8[ptr + i] = charCode;
|
|
}
|
|
} else {
|
|
for (var i = 0; i < length; ++i) {
|
|
HEAPU8[ptr + i] = value[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (destructors !== null) {
|
|
destructors.push(_free, base);
|
|
}
|
|
return base;
|
|
},
|
|
'argPackAdvance': GenericWireTypeSize,
|
|
'readValueFromPointer': readPointer,
|
|
destructorFunction(ptr) {
|
|
_free(ptr);
|
|
},
|
|
});
|
|
};
|
|
|
|
|
|
|
|
|
|
var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined;;
|
|
var UTF16ToString = (ptr, maxBytesToRead) => {
|
|
assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!');
|
|
var endPtr = ptr;
|
|
// TextDecoder needs to know the byte length in advance, it doesn't stop on
|
|
// null terminator by itself.
|
|
// Also, use the length info to avoid running tiny strings through
|
|
// TextDecoder, since .subarray() allocates garbage.
|
|
var idx = endPtr >> 1;
|
|
var maxIdx = idx + maxBytesToRead / 2;
|
|
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
|
|
// will always evaluate to true. This saves on code size.
|
|
while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx;
|
|
endPtr = idx << 1;
|
|
|
|
if (endPtr - ptr > 32 && UTF16Decoder)
|
|
return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
|
|
|
|
// Fallback: decode without UTF16Decoder
|
|
var str = '';
|
|
|
|
// If maxBytesToRead is not passed explicitly, it will be undefined, and the
|
|
// for-loop's condition will always evaluate to true. The loop is then
|
|
// terminated on the first null char.
|
|
for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
|
|
var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
|
|
if (codeUnit == 0) break;
|
|
// fromCharCode constructs a character from a UTF-16 code unit, so we can
|
|
// pass the UTF16 string right through.
|
|
str += String.fromCharCode(codeUnit);
|
|
}
|
|
|
|
return str;
|
|
};
|
|
|
|
var stringToUTF16 = (str, outPtr, maxBytesToWrite) => {
|
|
assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!');
|
|
assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
|
|
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
|
|
maxBytesToWrite ??= 0x7FFFFFFF;
|
|
if (maxBytesToWrite < 2) return 0;
|
|
maxBytesToWrite -= 2; // Null terminator.
|
|
var startPtr = outPtr;
|
|
var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length;
|
|
for (var i = 0; i < numCharsToWrite; ++i) {
|
|
// charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
|
|
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
|
|
HEAP16[((outPtr)>>1)] = codeUnit;
|
|
outPtr += 2;
|
|
}
|
|
// Null-terminate the pointer to the HEAP.
|
|
HEAP16[((outPtr)>>1)] = 0;
|
|
return outPtr - startPtr;
|
|
};
|
|
|
|
var lengthBytesUTF16 = (str) => {
|
|
return str.length*2;
|
|
};
|
|
|
|
var UTF32ToString = (ptr, maxBytesToRead) => {
|
|
assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!');
|
|
var i = 0;
|
|
|
|
var str = '';
|
|
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
|
|
// will always evaluate to true. This saves on code size.
|
|
while (!(i >= maxBytesToRead / 4)) {
|
|
var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
|
|
if (utf32 == 0) break;
|
|
++i;
|
|
// Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
|
|
// See http://unicode.org/faq/utf_bom.html#utf16-3
|
|
if (utf32 >= 0x10000) {
|
|
var ch = utf32 - 0x10000;
|
|
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
|
|
} else {
|
|
str += String.fromCharCode(utf32);
|
|
}
|
|
}
|
|
return str;
|
|
};
|
|
|
|
var stringToUTF32 = (str, outPtr, maxBytesToWrite) => {
|
|
assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!');
|
|
assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
|
|
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
|
|
maxBytesToWrite ??= 0x7FFFFFFF;
|
|
if (maxBytesToWrite < 4) return 0;
|
|
var startPtr = outPtr;
|
|
var endPtr = startPtr + maxBytesToWrite - 4;
|
|
for (var i = 0; i < str.length; ++i) {
|
|
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
|
|
// See http://unicode.org/faq/utf_bom.html#utf16-3
|
|
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
|
|
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
|
|
var trailSurrogate = str.charCodeAt(++i);
|
|
codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
|
|
}
|
|
HEAP32[((outPtr)>>2)] = codeUnit;
|
|
outPtr += 4;
|
|
if (outPtr + 4 > endPtr) break;
|
|
}
|
|
// Null-terminate the pointer to the HEAP.
|
|
HEAP32[((outPtr)>>2)] = 0;
|
|
return outPtr - startPtr;
|
|
};
|
|
|
|
var lengthBytesUTF32 = (str) => {
|
|
var len = 0;
|
|
for (var i = 0; i < str.length; ++i) {
|
|
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
|
|
// See http://unicode.org/faq/utf_bom.html#utf16-3
|
|
var codeUnit = str.charCodeAt(i);
|
|
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate.
|
|
len += 4;
|
|
}
|
|
|
|
return len;
|
|
};
|
|
var __embind_register_std_wstring = (rawType, charSize, name) => {
|
|
name = readLatin1String(name);
|
|
var decodeString, encodeString, readCharAt, lengthBytesUTF;
|
|
if (charSize === 2) {
|
|
decodeString = UTF16ToString;
|
|
encodeString = stringToUTF16;
|
|
lengthBytesUTF = lengthBytesUTF16;
|
|
readCharAt = (pointer) => HEAPU16[((pointer)>>1)];
|
|
} else if (charSize === 4) {
|
|
decodeString = UTF32ToString;
|
|
encodeString = stringToUTF32;
|
|
lengthBytesUTF = lengthBytesUTF32;
|
|
readCharAt = (pointer) => HEAPU32[((pointer)>>2)];
|
|
}
|
|
registerType(rawType, {
|
|
name,
|
|
'fromWireType': (value) => {
|
|
// Code mostly taken from _embind_register_std_string fromWireType
|
|
var length = HEAPU32[((value)>>2)];
|
|
var str;
|
|
|
|
var decodeStartPtr = value + 4;
|
|
// Looping here to support possible embedded '0' bytes
|
|
for (var i = 0; i <= length; ++i) {
|
|
var currentBytePtr = value + 4 + i * charSize;
|
|
if (i == length || readCharAt(currentBytePtr) == 0) {
|
|
var maxReadBytes = currentBytePtr - decodeStartPtr;
|
|
var stringSegment = decodeString(decodeStartPtr, maxReadBytes);
|
|
if (str === undefined) {
|
|
str = stringSegment;
|
|
} else {
|
|
str += String.fromCharCode(0);
|
|
str += stringSegment;
|
|
}
|
|
decodeStartPtr = currentBytePtr + charSize;
|
|
}
|
|
}
|
|
|
|
_free(value);
|
|
|
|
return str;
|
|
},
|
|
'toWireType': (destructors, value) => {
|
|
if (!(typeof value == 'string')) {
|
|
throwBindingError(`Cannot pass non-string to C++ string type ${name}`);
|
|
}
|
|
|
|
// assumes POINTER_SIZE alignment
|
|
var length = lengthBytesUTF(value);
|
|
var ptr = _malloc(4 + length + charSize);
|
|
HEAPU32[((ptr)>>2)] = length / charSize;
|
|
|
|
encodeString(value, ptr + 4, length + charSize);
|
|
|
|
if (destructors !== null) {
|
|
destructors.push(_free, ptr);
|
|
}
|
|
return ptr;
|
|
},
|
|
'argPackAdvance': GenericWireTypeSize,
|
|
'readValueFromPointer': readPointer,
|
|
destructorFunction(ptr) {
|
|
_free(ptr);
|
|
}
|
|
});
|
|
};
|
|
|
|
|
|
|
|
var __embind_register_value_object = (
|
|
rawType,
|
|
name,
|
|
constructorSignature,
|
|
rawConstructor,
|
|
destructorSignature,
|
|
rawDestructor
|
|
) => {
|
|
structRegistrations[rawType] = {
|
|
name: readLatin1String(name),
|
|
rawConstructor: embind__requireFunction(constructorSignature, rawConstructor),
|
|
rawDestructor: embind__requireFunction(destructorSignature, rawDestructor),
|
|
fields: [],
|
|
};
|
|
};
|
|
|
|
|
|
|
|
var __embind_register_value_object_field = (
|
|
structType,
|
|
fieldName,
|
|
getterReturnType,
|
|
getterSignature,
|
|
getter,
|
|
getterContext,
|
|
setterArgumentType,
|
|
setterSignature,
|
|
setter,
|
|
setterContext
|
|
) => {
|
|
structRegistrations[structType].fields.push({
|
|
fieldName: readLatin1String(fieldName),
|
|
getterReturnType,
|
|
getter: embind__requireFunction(getterSignature, getter),
|
|
getterContext,
|
|
setterArgumentType,
|
|
setter: embind__requireFunction(setterSignature, setter),
|
|
setterContext,
|
|
});
|
|
};
|
|
|
|
|
|
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_fs_load_embedded_files = (ptr) => {
|
|
do {
|
|
var name_addr = HEAPU32[((ptr)>>2)];
|
|
ptr += 4;
|
|
var len = HEAPU32[((ptr)>>2)];
|
|
ptr += 4;
|
|
var content = HEAPU32[((ptr)>>2)];
|
|
ptr += 4;
|
|
var name = UTF8ToString(name_addr)
|
|
FS.createPath('/', PATH.dirname(name), true, true);
|
|
// canOwn this data in the filesystem, it is a slice of wasm memory that will never change
|
|
FS.createDataFile(name, null, HEAP8.subarray(content, content + len), true, true, true);
|
|
} while (HEAPU32[((ptr)>>2)]);
|
|
};
|
|
|
|
var nowIsMonotonic = 1;
|
|
var __emscripten_get_now_is_monotonic = () => nowIsMonotonic;
|
|
|
|
var __emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
|
|
|
|
var __emscripten_throw_longjmp = () => {
|
|
throw Infinity;
|
|
};
|
|
|
|
var convertI32PairToI53Checked = (lo, hi) => {
|
|
assert(lo == (lo >>> 0) || lo == (lo|0)); // lo should either be a i32 or a u32
|
|
assert(hi === (hi|0)); // hi should be a i32
|
|
return ((hi + 0x200000) >>> 0 < 0x400001 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN;
|
|
};
|
|
function __gmtime_js(time_low, time_high,tmPtr) {
|
|
var time = convertI32PairToI53Checked(time_low, time_high);
|
|
|
|
|
|
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_low, time_high,tmPtr) {
|
|
var time = convertI32PairToI53Checked(time_low, time_high);
|
|
|
|
|
|
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;
|
|
;
|
|
}
|
|
|
|
|
|
/** @suppress {duplicate } */
|
|
var setTempRet0 = (val) => __emscripten_tempret_set(val);
|
|
var _setTempRet0 = setTempRet0;
|
|
|
|
var __mktime_js = function(tmPtr) {
|
|
|
|
var ret = (() => {
|
|
var date = new Date(HEAP32[(((tmPtr)+(20))>>2)] + 1900,
|
|
HEAP32[(((tmPtr)+(16))>>2)],
|
|
HEAP32[(((tmPtr)+(12))>>2)],
|
|
HEAP32[(((tmPtr)+(8))>>2)],
|
|
HEAP32[(((tmPtr)+(4))>>2)],
|
|
HEAP32[((tmPtr)>>2)],
|
|
0);
|
|
|
|
// There's an ambiguous hour when the time goes back; the tm_isdst field is
|
|
// used to disambiguate it. Date() basically guesses, so we fix it up if it
|
|
// guessed wrong, or fill in tm_isdst with the guess if it's -1.
|
|
var dst = HEAP32[(((tmPtr)+(32))>>2)];
|
|
var guessedOffset = date.getTimezoneOffset();
|
|
var start = new Date(date.getFullYear(), 0, 1);
|
|
var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
|
|
var winterOffset = start.getTimezoneOffset();
|
|
var dstOffset = Math.min(winterOffset, summerOffset); // DST is in December in South
|
|
if (dst < 0) {
|
|
// Attention: some regions don't have DST at all.
|
|
HEAP32[(((tmPtr)+(32))>>2)] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
|
|
} else if ((dst > 0) != (dstOffset == guessedOffset)) {
|
|
var nonDstOffset = Math.max(winterOffset, summerOffset);
|
|
var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
|
|
// Don't try setMinutes(date.getMinutes() + ...) -- it's messed up.
|
|
date.setTime(date.getTime() + (trueOffset - guessedOffset)*60000);
|
|
}
|
|
|
|
HEAP32[(((tmPtr)+(24))>>2)] = date.getDay();
|
|
var yday = ydayFromDate(date)|0;
|
|
HEAP32[(((tmPtr)+(28))>>2)] = yday;
|
|
// To match expected behavior, update fields from date
|
|
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.getYear();
|
|
|
|
var timeMs = date.getTime();
|
|
if (isNaN(timeMs)) {
|
|
return -1;
|
|
}
|
|
// Return time in microseconds
|
|
return timeMs / 1000;
|
|
})();
|
|
return (setTempRet0((tempDouble = ret,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)), ret>>>0);
|
|
};
|
|
|
|
|
|
var __timegm_js = function(tmPtr) {
|
|
|
|
var ret = (() => {
|
|
var time = Date.UTC(HEAP32[(((tmPtr)+(20))>>2)] + 1900,
|
|
HEAP32[(((tmPtr)+(16))>>2)],
|
|
HEAP32[(((tmPtr)+(12))>>2)],
|
|
HEAP32[(((tmPtr)+(8))>>2)],
|
|
HEAP32[(((tmPtr)+(4))>>2)],
|
|
HEAP32[((tmPtr)>>2)],
|
|
0);
|
|
var date = new Date(time);
|
|
|
|
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;
|
|
|
|
return date.getTime() / 1000;
|
|
})();
|
|
return (setTempRet0((tempDouble = ret,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)), ret>>>0);
|
|
};
|
|
|
|
|
|
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 = (date) => date.toLocaleTimeString(undefined, {hour12:false, timeZoneName:'short'}).split(' ')[1];
|
|
var winterName = extractZone(winter);
|
|
var summerName = extractZone(summer);
|
|
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_date_now = () => Date.now();
|
|
|
|
var _emscripten_get_now;
|
|
// Modern environment where performance.now() is supported:
|
|
// N.B. a shorter form "_emscripten_get_now = performance.now;" is
|
|
// unfortunately not allowed even in current browsers (e.g. FF Nightly 75).
|
|
_emscripten_get_now = () => performance.now();
|
|
;
|
|
|
|
var getHeapMax = () =>
|
|
// Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
|
|
// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
|
|
// for any code that deals with heap sizes, which would require special
|
|
// casing all heap size related code to treat 0 specially.
|
|
2147483648;
|
|
|
|
var growMemory = (size) => {
|
|
var b = wasmMemory.buffer;
|
|
var pages = (size - b.byteLength + 65535) / 65536;
|
|
try {
|
|
// round size grow request up to wasm page size (fixed 64KB per spec)
|
|
wasmMemory.grow(pages); // .grow() takes a delta compared to the previous size
|
|
updateMemoryViews();
|
|
return 1 /*success*/;
|
|
} catch(e) {
|
|
err(`growMemory: Attempted to grow heap from ${b.byteLength} bytes to ${size} bytes, but got error: ${e}`);
|
|
}
|
|
// implicit 0 return to save code size (caller will cast "undefined" into 0
|
|
// anyhow)
|
|
};
|
|
var _emscripten_resize_heap = (requestedSize) => {
|
|
var oldSize = HEAPU8.length;
|
|
// With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
|
|
requestedSize >>>= 0;
|
|
// With multithreaded builds, races can happen (another thread might increase the size
|
|
// in between), so return a failure, and let the caller retry.
|
|
assert(requestedSize > oldSize);
|
|
|
|
// Memory resize rules:
|
|
// 1. Always increase heap size to at least the requested size, rounded up
|
|
// to next page multiple.
|
|
// 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
|
|
// geometrically: increase the heap size according to
|
|
// MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
|
|
// overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
|
|
// 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
|
|
// linearly: increase the heap size by at least
|
|
// MEMORY_GROWTH_LINEAR_STEP bytes.
|
|
// 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
|
|
// MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
|
|
// 4. If we were unable to allocate as much memory, it may be due to
|
|
// over-eager decision to excessively reserve due to (3) above.
|
|
// Hence if an allocation fails, cut down on the amount of excess
|
|
// growth, in an attempt to succeed to perform a smaller allocation.
|
|
|
|
// A limit is set for how much we can grow. We should not exceed that
|
|
// (the wasm binary specifies it, so if we tried, we'd fail anyhow).
|
|
var maxHeapSize = getHeapMax();
|
|
if (requestedSize > maxHeapSize) {
|
|
err(`Cannot enlarge memory, requested ${requestedSize} bytes, but the limit is ${maxHeapSize} bytes!`);
|
|
return false;
|
|
}
|
|
|
|
var alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
|
|
|
|
// Loop through potential heap size increases. If we attempt a too eager
|
|
// reservation that fails, cut down on the attempted size and reserve a
|
|
// smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
|
|
for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
|
|
var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth
|
|
// but limit overreserving (default to capping at +96MB overgrowth at most)
|
|
overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 );
|
|
|
|
var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
|
|
|
|
var replacement = growMemory(newSize);
|
|
if (replacement) {
|
|
|
|
return true;
|
|
}
|
|
}
|
|
err(`Failed to grow the heap from ${oldSize} bytes to ${newSize} bytes, not enough memory!`);
|
|
return false;
|
|
};
|
|
|
|
var ENV = {
|
|
};
|
|
|
|
var getExecutableName = () => {
|
|
return thisProgram || './this.program';
|
|
};
|
|
var getEnvStrings = () => {
|
|
if (!getEnvStrings.strings) {
|
|
// Default values.
|
|
// Browser language detection #8751
|
|
var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8';
|
|
var env = {
|
|
'USER': 'web_user',
|
|
'LOGNAME': 'web_user',
|
|
'PATH': '/',
|
|
'PWD': '/',
|
|
'HOME': '/home/web_user',
|
|
'LANG': lang,
|
|
'_': getExecutableName()
|
|
};
|
|
// Apply the user-provided values, if any.
|
|
for (var x in ENV) {
|
|
// x is a key in ENV; if ENV[x] is undefined, that means it was
|
|
// explicitly set to be so. We allow user code to do that to
|
|
// force variables with default values to remain unset.
|
|
if (ENV[x] === undefined) delete env[x];
|
|
else env[x] = ENV[x];
|
|
}
|
|
var strings = [];
|
|
for (var x in env) {
|
|
strings.push(`${x}=${env[x]}`);
|
|
}
|
|
getEnvStrings.strings = strings;
|
|
}
|
|
return getEnvStrings.strings;
|
|
};
|
|
|
|
var stringToAscii = (str, buffer) => {
|
|
for (var i = 0; i < str.length; ++i) {
|
|
assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff));
|
|
HEAP8[buffer++] = str.charCodeAt(i);
|
|
}
|
|
// Null-terminate the string
|
|
HEAP8[buffer] = 0;
|
|
};
|
|
var _environ_get = (__environ, environ_buf) => {
|
|
var bufSize = 0;
|
|
getEnvStrings().forEach((string, i) => {
|
|
var ptr = environ_buf + bufSize;
|
|
HEAPU32[(((__environ)+(i*4))>>2)] = ptr;
|
|
stringToAscii(string, ptr);
|
|
bufSize += string.length + 1;
|
|
});
|
|
return 0;
|
|
};
|
|
|
|
var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
|
|
var strings = getEnvStrings();
|
|
HEAPU32[((penviron_count)>>2)] = strings.length;
|
|
var bufSize = 0;
|
|
strings.forEach((string) => bufSize += string.length + 1);
|
|
HEAPU32[((penviron_buf_size)>>2)] = bufSize;
|
|
return 0;
|
|
};
|
|
|
|
|
|
var runtimeKeepaliveCounter = 0;
|
|
var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
|
|
var _proc_exit = (code) => {
|
|
EXITSTATUS = code;
|
|
if (!keepRuntimeAlive()) {
|
|
Module['onExit']?.(code);
|
|
ABORT = true;
|
|
}
|
|
quit_(code, new ExitStatus(code));
|
|
};
|
|
|
|
/** @suppress {duplicate } */
|
|
/** @param {boolean|number=} implicit */
|
|
var exitJS = (status, implicit) => {
|
|
EXITSTATUS = status;
|
|
|
|
checkUnflushedContent();
|
|
|
|
// if exit() was called explicitly, warn the user if the runtime isn't actually being shut down
|
|
if (keepRuntimeAlive() && !implicit) {
|
|
var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`;
|
|
readyPromiseReject(msg);
|
|
err(msg);
|
|
}
|
|
|
|
_proc_exit(status);
|
|
};
|
|
var _exit = exitJS;
|
|
|
|
function _fd_close(fd) {
|
|
try {
|
|
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
FS.close(stream);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
function _fd_fdstat_get(fd, pbuf) {
|
|
try {
|
|
|
|
var rightsBase = 0;
|
|
var rightsInheriting = 0;
|
|
var flags = 0;
|
|
{
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
// All character devices are terminals (other things a Linux system would
|
|
// assume is a character device, like the mouse, we have special APIs for).
|
|
var type = stream.tty ? 2 :
|
|
FS.isDir(stream.mode) ? 3 :
|
|
FS.isLink(stream.mode) ? 7 :
|
|
4;
|
|
}
|
|
HEAP8[pbuf] = type;
|
|
HEAP16[(((pbuf)+(2))>>1)] = flags;
|
|
(tempI64 = [rightsBase>>>0,(tempDouble = rightsBase,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((pbuf)+(8))>>2)] = tempI64[0],HEAP32[(((pbuf)+(12))>>2)] = tempI64[1]);
|
|
(tempI64 = [rightsInheriting>>>0,(tempDouble = rightsInheriting,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((pbuf)+(16))>>2)] = tempI64[0],HEAP32[(((pbuf)+(20))>>2)] = tempI64[1]);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} offset */
|
|
var doReadv = (stream, iov, iovcnt, offset) => {
|
|
var ret = 0;
|
|
for (var i = 0; i < iovcnt; i++) {
|
|
var ptr = HEAPU32[((iov)>>2)];
|
|
var len = HEAPU32[(((iov)+(4))>>2)];
|
|
iov += 8;
|
|
var curr = FS.read(stream, HEAP8, ptr, len, offset);
|
|
if (curr < 0) return -1;
|
|
ret += curr;
|
|
if (curr < len) break; // nothing more to read
|
|
if (typeof offset != 'undefined') {
|
|
offset += curr;
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
function _fd_read(fd, iov, iovcnt, pnum) {
|
|
try {
|
|
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
var num = doReadv(stream, iov, iovcnt);
|
|
HEAPU32[((pnum)>>2)] = num;
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
function _fd_seek(fd,offset_low, offset_high,whence,newOffset) {
|
|
var offset = convertI32PairToI53Checked(offset_low, offset_high);
|
|
|
|
|
|
try {
|
|
|
|
if (isNaN(offset)) return 61;
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
FS.llseek(stream, offset, whence);
|
|
(tempI64 = [stream.position>>>0,(tempDouble = stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]);
|
|
if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return e.errno;
|
|
}
|
|
;
|
|
}
|
|
|
|
/** @param {number=} offset */
|
|
var doWritev = (stream, iov, iovcnt, offset) => {
|
|
var ret = 0;
|
|
for (var i = 0; i < iovcnt; i++) {
|
|
var ptr = HEAPU32[((iov)>>2)];
|
|
var len = HEAPU32[(((iov)+(4))>>2)];
|
|
iov += 8;
|
|
var curr = FS.write(stream, HEAP8, ptr, len, offset);
|
|
if (curr < 0) return -1;
|
|
ret += curr;
|
|
if (typeof offset != 'undefined') {
|
|
offset += curr;
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
function _fd_write(fd, iov, iovcnt, pnum) {
|
|
try {
|
|
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
var num = doWritev(stream, iov, iovcnt);
|
|
HEAPU32[((pnum)>>2)] = num;
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
var arraySum = (array, index) => {
|
|
var sum = 0;
|
|
for (var i = 0; i <= index; sum += array[i++]) {
|
|
// no-op
|
|
}
|
|
return sum;
|
|
};
|
|
|
|
|
|
var MONTH_DAYS_LEAP = [31,29,31,30,31,30,31,31,30,31,30,31];
|
|
|
|
var MONTH_DAYS_REGULAR = [31,28,31,30,31,30,31,31,30,31,30,31];
|
|
var addDays = (date, days) => {
|
|
var newDate = new Date(date.getTime());
|
|
while (days > 0) {
|
|
var leap = isLeapYear(newDate.getFullYear());
|
|
var currentMonth = newDate.getMonth();
|
|
var daysInCurrentMonth = (leap ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR)[currentMonth];
|
|
|
|
if (days > daysInCurrentMonth-newDate.getDate()) {
|
|
// we spill over to next month
|
|
days -= (daysInCurrentMonth-newDate.getDate()+1);
|
|
newDate.setDate(1);
|
|
if (currentMonth < 11) {
|
|
newDate.setMonth(currentMonth+1)
|
|
} else {
|
|
newDate.setMonth(0);
|
|
newDate.setFullYear(newDate.getFullYear()+1);
|
|
}
|
|
} else {
|
|
// we stay in current month
|
|
newDate.setDate(newDate.getDate()+days);
|
|
return newDate;
|
|
}
|
|
}
|
|
|
|
return newDate;
|
|
};
|
|
|
|
|
|
|
|
|
|
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 _strftime = (s, maxsize, format, tm) => {
|
|
// size_t strftime(char *restrict s, size_t maxsize, const char *restrict format, const struct tm *restrict timeptr);
|
|
// http://pubs.opengroup.org/onlinepubs/009695399/functions/strftime.html
|
|
|
|
var tm_zone = HEAPU32[(((tm)+(40))>>2)];
|
|
|
|
var date = {
|
|
tm_sec: HEAP32[((tm)>>2)],
|
|
tm_min: HEAP32[(((tm)+(4))>>2)],
|
|
tm_hour: HEAP32[(((tm)+(8))>>2)],
|
|
tm_mday: HEAP32[(((tm)+(12))>>2)],
|
|
tm_mon: HEAP32[(((tm)+(16))>>2)],
|
|
tm_year: HEAP32[(((tm)+(20))>>2)],
|
|
tm_wday: HEAP32[(((tm)+(24))>>2)],
|
|
tm_yday: HEAP32[(((tm)+(28))>>2)],
|
|
tm_isdst: HEAP32[(((tm)+(32))>>2)],
|
|
tm_gmtoff: HEAP32[(((tm)+(36))>>2)],
|
|
tm_zone: tm_zone ? UTF8ToString(tm_zone) : ''
|
|
};
|
|
|
|
|
|
var pattern = UTF8ToString(format);
|
|
|
|
// expand format
|
|
var EXPANSION_RULES_1 = {
|
|
'%c': '%a %b %d %H:%M:%S %Y', // Replaced by the locale's appropriate date and time representation - e.g., Mon Aug 3 14:02:01 2013
|
|
'%D': '%m/%d/%y', // Equivalent to %m / %d / %y
|
|
'%F': '%Y-%m-%d', // Equivalent to %Y - %m - %d
|
|
'%h': '%b', // Equivalent to %b
|
|
'%r': '%I:%M:%S %p', // Replaced by the time in a.m. and p.m. notation
|
|
'%R': '%H:%M', // Replaced by the time in 24-hour notation
|
|
'%T': '%H:%M:%S', // Replaced by the time
|
|
'%x': '%m/%d/%y', // Replaced by the locale's appropriate date representation
|
|
'%X': '%H:%M:%S', // Replaced by the locale's appropriate time representation
|
|
// Modified Conversion Specifiers
|
|
'%Ec': '%c', // Replaced by the locale's alternative appropriate date and time representation.
|
|
'%EC': '%C', // Replaced by the name of the base year (period) in the locale's alternative representation.
|
|
'%Ex': '%m/%d/%y', // Replaced by the locale's alternative date representation.
|
|
'%EX': '%H:%M:%S', // Replaced by the locale's alternative time representation.
|
|
'%Ey': '%y', // Replaced by the offset from %EC (year only) in the locale's alternative representation.
|
|
'%EY': '%Y', // Replaced by the full alternative year representation.
|
|
'%Od': '%d', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading zeros if there is any alternative symbol for zero; otherwise, with leading <space> characters.
|
|
'%Oe': '%e', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading <space> characters.
|
|
'%OH': '%H', // Replaced by the hour (24-hour clock) using the locale's alternative numeric symbols.
|
|
'%OI': '%I', // Replaced by the hour (12-hour clock) using the locale's alternative numeric symbols.
|
|
'%Om': '%m', // Replaced by the month using the locale's alternative numeric symbols.
|
|
'%OM': '%M', // Replaced by the minutes using the locale's alternative numeric symbols.
|
|
'%OS': '%S', // Replaced by the seconds using the locale's alternative numeric symbols.
|
|
'%Ou': '%u', // Replaced by the weekday as a number in the locale's alternative representation (Monday=1).
|
|
'%OU': '%U', // Replaced by the week number of the year (Sunday as the first day of the week, rules corresponding to %U ) using the locale's alternative numeric symbols.
|
|
'%OV': '%V', // Replaced by the week number of the year (Monday as the first day of the week, rules corresponding to %V ) using the locale's alternative numeric symbols.
|
|
'%Ow': '%w', // Replaced by the number of the weekday (Sunday=0) using the locale's alternative numeric symbols.
|
|
'%OW': '%W', // Replaced by the week number of the year (Monday as the first day of the week) using the locale's alternative numeric symbols.
|
|
'%Oy': '%y', // Replaced by the year (offset from %C ) using the locale's alternative numeric symbols.
|
|
};
|
|
for (var rule in EXPANSION_RULES_1) {
|
|
pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_1[rule]);
|
|
}
|
|
|
|
var WEEKDAYS = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
|
|
var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
|
|
|
|
function leadingSomething(value, digits, character) {
|
|
var str = typeof value == 'number' ? value.toString() : (value || '');
|
|
while (str.length < digits) {
|
|
str = character[0]+str;
|
|
}
|
|
return str;
|
|
}
|
|
|
|
function leadingNulls(value, digits) {
|
|
return leadingSomething(value, digits, '0');
|
|
}
|
|
|
|
function compareByDay(date1, date2) {
|
|
function sgn(value) {
|
|
return value < 0 ? -1 : (value > 0 ? 1 : 0);
|
|
}
|
|
|
|
var compare;
|
|
if ((compare = sgn(date1.getFullYear()-date2.getFullYear())) === 0) {
|
|
if ((compare = sgn(date1.getMonth()-date2.getMonth())) === 0) {
|
|
compare = sgn(date1.getDate()-date2.getDate());
|
|
}
|
|
}
|
|
return compare;
|
|
}
|
|
|
|
function getFirstWeekStartDate(janFourth) {
|
|
switch (janFourth.getDay()) {
|
|
case 0: // Sunday
|
|
return new Date(janFourth.getFullYear()-1, 11, 29);
|
|
case 1: // Monday
|
|
return janFourth;
|
|
case 2: // Tuesday
|
|
return new Date(janFourth.getFullYear(), 0, 3);
|
|
case 3: // Wednesday
|
|
return new Date(janFourth.getFullYear(), 0, 2);
|
|
case 4: // Thursday
|
|
return new Date(janFourth.getFullYear(), 0, 1);
|
|
case 5: // Friday
|
|
return new Date(janFourth.getFullYear()-1, 11, 31);
|
|
case 6: // Saturday
|
|
return new Date(janFourth.getFullYear()-1, 11, 30);
|
|
}
|
|
}
|
|
|
|
function getWeekBasedYear(date) {
|
|
var thisDate = addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday);
|
|
|
|
var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
|
|
var janFourthNextYear = new Date(thisDate.getFullYear()+1, 0, 4);
|
|
|
|
var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
|
|
var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
|
|
|
|
if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
|
|
// this date is after the start of the first week of this year
|
|
if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
|
|
return thisDate.getFullYear()+1;
|
|
}
|
|
return thisDate.getFullYear();
|
|
}
|
|
return thisDate.getFullYear()-1;
|
|
}
|
|
|
|
var EXPANSION_RULES_2 = {
|
|
'%a': (date) => WEEKDAYS[date.tm_wday].substring(0,3) ,
|
|
'%A': (date) => WEEKDAYS[date.tm_wday],
|
|
'%b': (date) => MONTHS[date.tm_mon].substring(0,3),
|
|
'%B': (date) => MONTHS[date.tm_mon],
|
|
'%C': (date) => {
|
|
var year = date.tm_year+1900;
|
|
return leadingNulls((year/100)|0,2);
|
|
},
|
|
'%d': (date) => leadingNulls(date.tm_mday, 2),
|
|
'%e': (date) => leadingSomething(date.tm_mday, 2, ' '),
|
|
'%g': (date) => {
|
|
// %g, %G, and %V give values according to the ISO 8601:2000 standard week-based year.
|
|
// In this system, weeks begin on a Monday and week 1 of the year is the week that includes
|
|
// January 4th, which is also the week that includes the first Thursday of the year, and
|
|
// is also the first week that contains at least four days in the year.
|
|
// If the first Monday of January is the 2nd, 3rd, or 4th, the preceding days are part of
|
|
// the last week of the preceding year; thus, for Saturday 2nd January 1999,
|
|
// %G is replaced by 1998 and %V is replaced by 53. If December 29th, 30th,
|
|
// or 31st is a Monday, it and any following days are part of week 1 of the following year.
|
|
// Thus, for Tuesday 30th December 1997, %G is replaced by 1998 and %V is replaced by 01.
|
|
|
|
return getWeekBasedYear(date).toString().substring(2);
|
|
},
|
|
'%G': getWeekBasedYear,
|
|
'%H': (date) => leadingNulls(date.tm_hour, 2),
|
|
'%I': (date) => {
|
|
var twelveHour = date.tm_hour;
|
|
if (twelveHour == 0) twelveHour = 12;
|
|
else if (twelveHour > 12) twelveHour -= 12;
|
|
return leadingNulls(twelveHour, 2);
|
|
},
|
|
'%j': (date) => {
|
|
// Day of the year (001-366)
|
|
return leadingNulls(date.tm_mday + arraySum(isLeapYear(date.tm_year+1900) ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR, date.tm_mon-1), 3);
|
|
},
|
|
'%m': (date) => leadingNulls(date.tm_mon+1, 2),
|
|
'%M': (date) => leadingNulls(date.tm_min, 2),
|
|
'%n': () => '\n',
|
|
'%p': (date) => {
|
|
if (date.tm_hour >= 0 && date.tm_hour < 12) {
|
|
return 'AM';
|
|
}
|
|
return 'PM';
|
|
},
|
|
'%S': (date) => leadingNulls(date.tm_sec, 2),
|
|
'%t': () => '\t',
|
|
'%u': (date) => date.tm_wday || 7,
|
|
'%U': (date) => {
|
|
var days = date.tm_yday + 7 - date.tm_wday;
|
|
return leadingNulls(Math.floor(days / 7), 2);
|
|
},
|
|
'%V': (date) => {
|
|
// Replaced by the week number of the year (Monday as the first day of the week)
|
|
// as a decimal number [01,53]. If the week containing 1 January has four
|
|
// or more days in the new year, then it is considered week 1.
|
|
// Otherwise, it is the last week of the previous year, and the next week is week 1.
|
|
// Both January 4th and the first Thursday of January are always in week 1. [ tm_year, tm_wday, tm_yday]
|
|
var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7 ) / 7);
|
|
// If 1 Jan is just 1-3 days past Monday, the previous week
|
|
// is also in this year.
|
|
if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) {
|
|
val++;
|
|
}
|
|
if (!val) {
|
|
val = 52;
|
|
// If 31 December of prev year a Thursday, or Friday of a
|
|
// leap year, then the prev year has 53 weeks.
|
|
var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7;
|
|
if (dec31 == 4 || (dec31 == 5 && isLeapYear(date.tm_year%400-1))) {
|
|
val++;
|
|
}
|
|
} else if (val == 53) {
|
|
// If 1 January is not a Thursday, and not a Wednesday of a
|
|
// leap year, then this year has only 52 weeks.
|
|
var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7;
|
|
if (jan1 != 4 && (jan1 != 3 || !isLeapYear(date.tm_year)))
|
|
val = 1;
|
|
}
|
|
return leadingNulls(val, 2);
|
|
},
|
|
'%w': (date) => date.tm_wday,
|
|
'%W': (date) => {
|
|
var days = date.tm_yday + 7 - ((date.tm_wday + 6) % 7);
|
|
return leadingNulls(Math.floor(days / 7), 2);
|
|
},
|
|
'%y': (date) => {
|
|
// Replaced by the last two digits of the year as a decimal number [00,99]. [ tm_year]
|
|
return (date.tm_year+1900).toString().substring(2);
|
|
},
|
|
// Replaced by the year as a decimal number (for example, 1997). [ tm_year]
|
|
'%Y': (date) => date.tm_year+1900,
|
|
'%z': (date) => {
|
|
// Replaced by the offset from UTC in the ISO 8601:2000 standard format ( +hhmm or -hhmm ).
|
|
// For example, "-0430" means 4 hours 30 minutes behind UTC (west of Greenwich).
|
|
var off = date.tm_gmtoff;
|
|
var ahead = off >= 0;
|
|
off = Math.abs(off) / 60;
|
|
// convert from minutes into hhmm format (which means 60 minutes = 100 units)
|
|
off = (off / 60)*100 + (off % 60);
|
|
return (ahead ? '+' : '-') + String("0000" + off).slice(-4);
|
|
},
|
|
'%Z': (date) => date.tm_zone,
|
|
'%%': () => '%'
|
|
};
|
|
|
|
// Replace %% with a pair of NULLs (which cannot occur in a C string), then
|
|
// re-inject them after processing.
|
|
pattern = pattern.replace(/%%/g, '\0\0')
|
|
for (var rule in EXPANSION_RULES_2) {
|
|
if (pattern.includes(rule)) {
|
|
pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_2[rule](date));
|
|
}
|
|
}
|
|
pattern = pattern.replace(/\0\0/g, '%')
|
|
|
|
var bytes = intArrayFromString(pattern, false);
|
|
if (bytes.length > maxsize) {
|
|
return 0;
|
|
}
|
|
|
|
writeArrayToMemory(bytes, s);
|
|
return bytes.length-1;
|
|
};
|
|
|
|
|
|
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 1048576)');
|
|
}
|
|
}
|
|
quit_(1, e);
|
|
};
|
|
|
|
|
|
|
|
var FS_createPath = FS.createPath;
|
|
|
|
|
|
|
|
var FS_unlink = (path) => FS.unlink(path);
|
|
|
|
var FS_createLazyFile = FS.createLazyFile;
|
|
|
|
var FS_createDevice = FS.createDevice;
|
|
|
|
FS.createPreloadedFile = FS_createPreloadedFile;
|
|
FS.staticInit();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;;
|
|
InternalError = Module['InternalError'] = class InternalError extends Error { constructor(message) { super(message); this.name = 'InternalError'; }};
|
|
embind_init_charCodes();
|
|
BindingError = Module['BindingError'] = class BindingError extends Error { constructor(message) { super(message); this.name = 'BindingError'; }};
|
|
init_emval();;
|
|
UnboundTypeError = Module['UnboundTypeError'] = extendError(Error, 'UnboundTypeError');;
|
|
function checkIncomingModuleAPI() {
|
|
ignoredModuleProp('fetchSettings');
|
|
}
|
|
var wasmImports = {
|
|
/** @export */
|
|
__assert_fail: ___assert_fail,
|
|
/** @export */
|
|
__syscall_chdir: ___syscall_chdir,
|
|
/** @export */
|
|
__syscall_chmod: ___syscall_chmod,
|
|
/** @export */
|
|
__syscall_fcntl64: ___syscall_fcntl64,
|
|
/** @export */
|
|
__syscall_fstat64: ___syscall_fstat64,
|
|
/** @export */
|
|
__syscall_getcwd: ___syscall_getcwd,
|
|
/** @export */
|
|
__syscall_getdents64: ___syscall_getdents64,
|
|
/** @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_readlinkat: ___syscall_readlinkat,
|
|
/** @export */
|
|
__syscall_renameat: ___syscall_renameat,
|
|
/** @export */
|
|
__syscall_rmdir: ___syscall_rmdir,
|
|
/** @export */
|
|
__syscall_stat64: ___syscall_stat64,
|
|
/** @export */
|
|
__syscall_symlink: ___syscall_symlink,
|
|
/** @export */
|
|
__syscall_unlinkat: ___syscall_unlinkat,
|
|
/** @export */
|
|
__syscall_utimensat: ___syscall_utimensat,
|
|
/** @export */
|
|
_abort_js: __abort_js,
|
|
/** @export */
|
|
_embind_finalize_value_object: __embind_finalize_value_object,
|
|
/** @export */
|
|
_embind_register_bigint: __embind_register_bigint,
|
|
/** @export */
|
|
_embind_register_bool: __embind_register_bool,
|
|
/** @export */
|
|
_embind_register_emval: __embind_register_emval,
|
|
/** @export */
|
|
_embind_register_float: __embind_register_float,
|
|
/** @export */
|
|
_embind_register_function: __embind_register_function,
|
|
/** @export */
|
|
_embind_register_integer: __embind_register_integer,
|
|
/** @export */
|
|
_embind_register_memory_view: __embind_register_memory_view,
|
|
/** @export */
|
|
_embind_register_std_string: __embind_register_std_string,
|
|
/** @export */
|
|
_embind_register_std_wstring: __embind_register_std_wstring,
|
|
/** @export */
|
|
_embind_register_value_object: __embind_register_value_object,
|
|
/** @export */
|
|
_embind_register_value_object_field: __embind_register_value_object_field,
|
|
/** @export */
|
|
_embind_register_void: __embind_register_void,
|
|
/** @export */
|
|
_emscripten_fs_load_embedded_files: __emscripten_fs_load_embedded_files,
|
|
/** @export */
|
|
_emscripten_get_now_is_monotonic: __emscripten_get_now_is_monotonic,
|
|
/** @export */
|
|
_emscripten_memcpy_js: __emscripten_memcpy_js,
|
|
/** @export */
|
|
_emscripten_throw_longjmp: __emscripten_throw_longjmp,
|
|
/** @export */
|
|
_gmtime_js: __gmtime_js,
|
|
/** @export */
|
|
_localtime_js: __localtime_js,
|
|
/** @export */
|
|
_mktime_js: __mktime_js,
|
|
/** @export */
|
|
_timegm_js: __timegm_js,
|
|
/** @export */
|
|
_tzset_js: __tzset_js,
|
|
/** @export */
|
|
emscripten_date_now: _emscripten_date_now,
|
|
/** @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_fdstat_get: _fd_fdstat_get,
|
|
/** @export */
|
|
fd_read: _fd_read,
|
|
/** @export */
|
|
fd_seek: _fd_seek,
|
|
/** @export */
|
|
fd_write: _fd_write,
|
|
/** @export */
|
|
invoke_di,
|
|
/** @export */
|
|
invoke_i,
|
|
/** @export */
|
|
invoke_ii,
|
|
/** @export */
|
|
invoke_iii,
|
|
/** @export */
|
|
invoke_iiii,
|
|
/** @export */
|
|
invoke_iiiii,
|
|
/** @export */
|
|
invoke_vi,
|
|
/** @export */
|
|
invoke_vid,
|
|
/** @export */
|
|
invoke_vii,
|
|
/** @export */
|
|
invoke_viii,
|
|
/** @export */
|
|
invoke_viiii,
|
|
/** @export */
|
|
proc_exit: _proc_exit,
|
|
/** @export */
|
|
strftime: _strftime
|
|
};
|
|
var wasmExports = createWasm();
|
|
var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors', 0);
|
|
var _malloc = createExportWrapper('malloc', 1);
|
|
var _free = createExportWrapper('free', 1);
|
|
var _fflush = createExportWrapper('fflush', 1);
|
|
var ___original_main = Module['___original_main'] = createExportWrapper('__original_main', 0);
|
|
var _main = Module['_main'] = createExportWrapper('main', 2);
|
|
var ___getTypeName = createExportWrapper('__getTypeName', 1);
|
|
var _setThrew = createExportWrapper('setThrew', 2);
|
|
var __emscripten_tempret_set = createExportWrapper('_emscripten_tempret_set', 1);
|
|
var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports['emscripten_stack_init'])();
|
|
var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports['emscripten_stack_get_free'])();
|
|
var _emscripten_stack_get_base = () => (_emscripten_stack_get_base = wasmExports['emscripten_stack_get_base'])();
|
|
var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports['emscripten_stack_get_end'])();
|
|
var __emscripten_stack_restore = (a0) => (__emscripten_stack_restore = wasmExports['_emscripten_stack_restore'])(a0);
|
|
var __emscripten_stack_alloc = (a0) => (__emscripten_stack_alloc = wasmExports['_emscripten_stack_alloc'])(a0);
|
|
var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])();
|
|
var ___cxa_is_pointer_type = createExportWrapper('__cxa_is_pointer_type', 1);
|
|
var dynCall_jiji = Module['dynCall_jiji'] = createExportWrapper('dynCall_jiji', 5);
|
|
var ___emscripten_embedded_file_data = Module['___emscripten_embedded_file_data'] = 1781548;
|
|
function invoke_i(index) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)();
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_viii(index,a1,a2,a3) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)(a1,a2,a3);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_iii(index,a1,a2) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)(a1,a2);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_vi(index,a1) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)(a1);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_vii(index,a1,a2) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)(a1,a2);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_ii(index,a1) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)(a1);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_di(index,a1) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)(a1);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_iiii(index,a1,a2,a3) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)(a1,a2,a3);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_vid(index,a1,a2) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)(a1,a2);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_viiii(index,a1,a2,a3,a4) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)(a1,a2,a3,a4);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_iiiii(index,a1,a2,a3,a4) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)(a1,a2,a3,a4);
|
|
} catch(e) {
|
|
stackRestore(sp);
|
|
if (e !== e+0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
|
|
// include: postamble.js
|
|
// === Auto-generated postamble setup entry stuff ===
|
|
|
|
Module['addRunDependency'] = addRunDependency;
|
|
Module['removeRunDependency'] = removeRunDependency;
|
|
Module['FS_createPreloadedFile'] = FS_createPreloadedFile;
|
|
Module['FS_unlink'] = FS_unlink;
|
|
Module['FS_createPath'] = FS_createPath;
|
|
Module['FS_createDevice'] = FS_createDevice;
|
|
Module['FS_createDataFile'] = FS_createDataFile;
|
|
Module['FS_createLazyFile'] = FS_createLazyFile;
|
|
var missingLibrarySymbols = [
|
|
'writeI53ToI64',
|
|
'writeI53ToI64Clamped',
|
|
'writeI53ToI64Signaling',
|
|
'writeI53ToU64Clamped',
|
|
'writeI53ToU64Signaling',
|
|
'readI53FromU64',
|
|
'convertI32PairToI53',
|
|
'convertU32PairToI53',
|
|
'stackAlloc',
|
|
'getTempRet0',
|
|
'inetPton4',
|
|
'inetNtop4',
|
|
'inetPton6',
|
|
'inetNtop6',
|
|
'readSockaddr',
|
|
'writeSockaddr',
|
|
'emscriptenLog',
|
|
'readEmAsmArgs',
|
|
'jstoi_q',
|
|
'listenOnce',
|
|
'autoResumeAudioContext',
|
|
'runtimeKeepalivePush',
|
|
'runtimeKeepalivePop',
|
|
'callUserCallback',
|
|
'maybeExit',
|
|
'asmjsMangle',
|
|
'HandleAllocator',
|
|
'getNativeTypeSize',
|
|
'STACK_SIZE',
|
|
'STACK_ALIGN',
|
|
'POINTER_SIZE',
|
|
'ASSERTIONS',
|
|
'getCFunc',
|
|
'ccall',
|
|
'cwrap',
|
|
'uleb128Encode',
|
|
'sigToWasmTypes',
|
|
'generateFuncType',
|
|
'convertJsFunctionToWasm',
|
|
'getEmptyTableSlot',
|
|
'updateTableMap',
|
|
'getFunctionAddress',
|
|
'addFunction',
|
|
'removeFunction',
|
|
'reallyNegative',
|
|
'unSign',
|
|
'strLen',
|
|
'reSign',
|
|
'formatString',
|
|
'intArrayToString',
|
|
'AsciiToString',
|
|
'stringToNewUTF8',
|
|
'stringToUTF8OnStack',
|
|
'registerKeyEventCallback',
|
|
'maybeCStringToJsString',
|
|
'findEventTarget',
|
|
'getBoundingClientRect',
|
|
'fillMouseEventData',
|
|
'registerMouseEventCallback',
|
|
'registerWheelEventCallback',
|
|
'registerUiEventCallback',
|
|
'registerFocusEventCallback',
|
|
'fillDeviceOrientationEventData',
|
|
'registerDeviceOrientationEventCallback',
|
|
'fillDeviceMotionEventData',
|
|
'registerDeviceMotionEventCallback',
|
|
'screenOrientation',
|
|
'fillOrientationChangeEventData',
|
|
'registerOrientationChangeEventCallback',
|
|
'fillFullscreenChangeEventData',
|
|
'registerFullscreenChangeEventCallback',
|
|
'JSEvents_requestFullscreen',
|
|
'JSEvents_resizeCanvasForFullscreen',
|
|
'registerRestoreOldStyle',
|
|
'hideEverythingExceptGivenElement',
|
|
'restoreHiddenElements',
|
|
'setLetterbox',
|
|
'softFullscreenResizeWebGLRenderTarget',
|
|
'doRequestFullscreen',
|
|
'fillPointerlockChangeEventData',
|
|
'registerPointerlockChangeEventCallback',
|
|
'registerPointerlockErrorEventCallback',
|
|
'requestPointerLock',
|
|
'fillVisibilityChangeEventData',
|
|
'registerVisibilityChangeEventCallback',
|
|
'registerTouchEventCallback',
|
|
'fillGamepadEventData',
|
|
'registerGamepadEventCallback',
|
|
'registerBeforeUnloadEventCallback',
|
|
'fillBatteryEventData',
|
|
'battery',
|
|
'registerBatteryEventCallback',
|
|
'setCanvasElementSize',
|
|
'getCanvasElementSize',
|
|
'jsStackTrace',
|
|
'getCallstack',
|
|
'convertPCtoSourceLocation',
|
|
'checkWasiClock',
|
|
'wasiRightsToMuslOFlags',
|
|
'wasiOFlagsToMuslOFlags',
|
|
'createDyncallWrapper',
|
|
'safeSetTimeout',
|
|
'setImmediateWrapped',
|
|
'clearImmediateWrapped',
|
|
'polyfillSetImmediate',
|
|
'getPromise',
|
|
'makePromise',
|
|
'idsToPromises',
|
|
'makePromiseCallback',
|
|
'ExceptionInfo',
|
|
'findMatchingCatch',
|
|
'Browser_asyncPrepareDataCounter',
|
|
'setMainLoop',
|
|
'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',
|
|
'emscriptenWebGLGet',
|
|
'computeUnpackAlignedImageSize',
|
|
'colorChannelsInGlTextureFormat',
|
|
'emscriptenWebGLGetTexPixelData',
|
|
'emscriptenWebGLGetUniform',
|
|
'webglGetUniformLocation',
|
|
'webglPrepareUniformLocationsBeforeFirstUse',
|
|
'webglGetLeftBracePos',
|
|
'emscriptenWebGLGetVertexAttrib',
|
|
'__glGetActiveAttribOrUniform',
|
|
'writeGLArray',
|
|
'registerWebGlEventCallback',
|
|
'runAndAbortIfError',
|
|
'ALLOC_NORMAL',
|
|
'ALLOC_STACK',
|
|
'allocate',
|
|
'writeStringToMemory',
|
|
'writeAsciiToMemory',
|
|
'setErrNo',
|
|
'demangle',
|
|
'stackTrace',
|
|
'getFunctionArgsName',
|
|
'requireRegisteredType',
|
|
'createJsInvokerSignature',
|
|
'init_embind',
|
|
'getBasestPointer',
|
|
'registerInheritedInstance',
|
|
'unregisterInheritedInstance',
|
|
'getInheritedInstance',
|
|
'getInheritedInstanceCount',
|
|
'getLiveInheritedInstances',
|
|
'enumReadValueFromPointer',
|
|
'genericPointerToWireType',
|
|
'constNoSmartPtrRawPointerToWireType',
|
|
'nonConstNoSmartPtrRawPointerToWireType',
|
|
'init_RegisteredPointer',
|
|
'RegisteredPointer',
|
|
'RegisteredPointer_fromWireType',
|
|
'runDestructor',
|
|
'releaseClassHandle',
|
|
'detachFinalizer',
|
|
'attachFinalizer',
|
|
'makeClassHandle',
|
|
'init_ClassHandle',
|
|
'ClassHandle',
|
|
'throwInstanceAlreadyDeleted',
|
|
'flushPendingDeletes',
|
|
'setDelayFunction',
|
|
'RegisteredClass',
|
|
'shallowCopyInternalPointer',
|
|
'downcastPointer',
|
|
'upcastPointer',
|
|
'validateThis',
|
|
'char_0',
|
|
'char_9',
|
|
'makeLegalFunctionName',
|
|
'getStringOrSymbol',
|
|
'emval_get_global',
|
|
'emval_returnValue',
|
|
'emval_lookupTypes',
|
|
'emval_addMethodCaller',
|
|
];
|
|
missingLibrarySymbols.forEach(missingLibrarySymbol)
|
|
|
|
var unexportedSymbols = [
|
|
'run',
|
|
'addOnPreRun',
|
|
'addOnInit',
|
|
'addOnPreMain',
|
|
'addOnExit',
|
|
'addOnPostRun',
|
|
'out',
|
|
'err',
|
|
'callMain',
|
|
'abort',
|
|
'wasmMemory',
|
|
'wasmExports',
|
|
'writeStackCookie',
|
|
'checkStackCookie',
|
|
'readI53FromI64',
|
|
'convertI32PairToI53Checked',
|
|
'stackSave',
|
|
'stackRestore',
|
|
'setTempRet0',
|
|
'ptrToString',
|
|
'zeroMemory',
|
|
'exitJS',
|
|
'getHeapMax',
|
|
'growMemory',
|
|
'ENV',
|
|
'MONTH_DAYS_REGULAR',
|
|
'MONTH_DAYS_LEAP',
|
|
'MONTH_DAYS_REGULAR_CUMULATIVE',
|
|
'MONTH_DAYS_LEAP_CUMULATIVE',
|
|
'isLeapYear',
|
|
'ydayFromDate',
|
|
'arraySum',
|
|
'addDays',
|
|
'ERRNO_CODES',
|
|
'ERRNO_MESSAGES',
|
|
'DNS',
|
|
'Protocols',
|
|
'Sockets',
|
|
'initRandomFill',
|
|
'randomFill',
|
|
'timers',
|
|
'warnOnce',
|
|
'readEmAsmArgsArray',
|
|
'jstoi_s',
|
|
'getExecutableName',
|
|
'dynCallLegacy',
|
|
'getDynCaller',
|
|
'dynCall',
|
|
'handleException',
|
|
'keepRuntimeAlive',
|
|
'asyncLoad',
|
|
'alignMemory',
|
|
'mmapAlloc',
|
|
'wasmTable',
|
|
'noExitRuntime',
|
|
'freeTableIndexes',
|
|
'functionsInTableMap',
|
|
'setValue',
|
|
'getValue',
|
|
'PATH',
|
|
'PATH_FS',
|
|
'UTF8Decoder',
|
|
'UTF8ArrayToString',
|
|
'UTF8ToString',
|
|
'stringToUTF8Array',
|
|
'stringToUTF8',
|
|
'lengthBytesUTF8',
|
|
'intArrayFromString',
|
|
'stringToAscii',
|
|
'UTF16Decoder',
|
|
'UTF16ToString',
|
|
'stringToUTF16',
|
|
'lengthBytesUTF16',
|
|
'UTF32ToString',
|
|
'stringToUTF32',
|
|
'lengthBytesUTF32',
|
|
'writeArrayToMemory',
|
|
'JSEvents',
|
|
'specialHTMLTargets',
|
|
'findCanvasEventTarget',
|
|
'currentFullscreenStrategy',
|
|
'restoreOldWindowedStyle',
|
|
'UNWIND_CACHE',
|
|
'ExitStatus',
|
|
'getEnvStrings',
|
|
'doReadv',
|
|
'doWritev',
|
|
'promiseMap',
|
|
'uncaughtExceptionCount',
|
|
'exceptionLast',
|
|
'exceptionCaught',
|
|
'Browser',
|
|
'getPreloadedImageData__data',
|
|
'wget',
|
|
'SYSCALLS',
|
|
'preloadPlugins',
|
|
'FS_modeStringToFlags',
|
|
'FS_getMode',
|
|
'FS_stdin_getChar_buffer',
|
|
'FS_stdin_getChar',
|
|
'FS_readFile',
|
|
'FS',
|
|
'MEMFS',
|
|
'TTY',
|
|
'PIPEFS',
|
|
'SOCKFS',
|
|
'tempFixedLengthArray',
|
|
'miniTempWebGLFloatBuffers',
|
|
'miniTempWebGLIntBuffers',
|
|
'GL',
|
|
'AL',
|
|
'GLUT',
|
|
'EGL',
|
|
'GLEW',
|
|
'IDBStore',
|
|
'SDL',
|
|
'SDL_gfx',
|
|
'allocateUTF8',
|
|
'allocateUTF8OnStack',
|
|
'print',
|
|
'printErr',
|
|
'InternalError',
|
|
'BindingError',
|
|
'throwInternalError',
|
|
'throwBindingError',
|
|
'registeredTypes',
|
|
'awaitingDependencies',
|
|
'typeDependencies',
|
|
'tupleRegistrations',
|
|
'structRegistrations',
|
|
'sharedRegisterType',
|
|
'whenDependentTypesAreResolved',
|
|
'embind_charCodes',
|
|
'embind_init_charCodes',
|
|
'readLatin1String',
|
|
'getTypeName',
|
|
'getFunctionName',
|
|
'heap32VectorToArray',
|
|
'usesDestructorStack',
|
|
'createJsInvoker',
|
|
'UnboundTypeError',
|
|
'PureVirtualError',
|
|
'GenericWireTypeSize',
|
|
'EmValType',
|
|
'throwUnboundTypeError',
|
|
'ensureOverloadTable',
|
|
'exposePublicSymbol',
|
|
'replacePublicSymbol',
|
|
'extendError',
|
|
'createNamedFunction',
|
|
'embindRepr',
|
|
'registeredInstances',
|
|
'registeredPointers',
|
|
'registerType',
|
|
'integerReadValueFromPointer',
|
|
'floatReadValueFromPointer',
|
|
'readPointer',
|
|
'runDestructors',
|
|
'newFunc',
|
|
'craftInvokerFunction',
|
|
'embind__requireFunction',
|
|
'finalizationRegistry',
|
|
'detachFinalizer_deps',
|
|
'deletionQueue',
|
|
'delayFunction',
|
|
'emval_freelist',
|
|
'emval_handles',
|
|
'emval_symbols',
|
|
'init_emval',
|
|
'count_emval_handles',
|
|
'Emval',
|
|
'emval_methodCallers',
|
|
'reflectConstruct',
|
|
];
|
|
unexportedSymbols.forEach(unexportedRuntimeSymbol);
|
|
|
|
|
|
|
|
var calledRun;
|
|
|
|
dependenciesFulfilled = function runCaller() {
|
|
// If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
|
|
if (!calledRun) run();
|
|
if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
|
|
};
|
|
|
|
function callMain() {
|
|
assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
|
|
assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
|
|
|
|
var entryFunction = _main;
|
|
|
|
var argc = 0;
|
|
var argv = 0;
|
|
|
|
try {
|
|
|
|
var ret = entryFunction(argc, argv);
|
|
|
|
// if we're not running an evented main loop, it's time to exit
|
|
exitJS(ret, /* implicit = */ true);
|
|
return ret;
|
|
}
|
|
catch (e) {
|
|
return handleException(e);
|
|
}
|
|
}
|
|
|
|
function stackCheckInit() {
|
|
// This is normally called automatically during __wasm_call_ctors but need to
|
|
// get these values before even running any of the ctors so we call it redundantly
|
|
// here.
|
|
_emscripten_stack_init();
|
|
// TODO(sbc): Move writeStackCookie to native to to avoid this.
|
|
writeStackCookie();
|
|
}
|
|
|
|
function run() {
|
|
|
|
if (runDependencies > 0) {
|
|
return;
|
|
}
|
|
|
|
stackCheckInit();
|
|
|
|
preRun();
|
|
|
|
// a preRun added a dependency, run will be called later
|
|
if (runDependencies > 0) {
|
|
return;
|
|
}
|
|
|
|
function doRun() {
|
|
// run may have just been called through dependencies being fulfilled just in this very frame,
|
|
// or while the async setStatus time below was happening
|
|
if (calledRun) return;
|
|
calledRun = true;
|
|
Module['calledRun'] = true;
|
|
|
|
if (ABORT) return;
|
|
|
|
initRuntime();
|
|
|
|
preMain();
|
|
|
|
readyPromiseResolve(Module);
|
|
if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
|
|
|
|
if (shouldRunNow) callMain();
|
|
|
|
postRun();
|
|
}
|
|
|
|
if (Module['setStatus']) {
|
|
Module['setStatus']('Running...');
|
|
setTimeout(function() {
|
|
setTimeout(function() {
|
|
Module['setStatus']('');
|
|
}, 1);
|
|
doRun();
|
|
}, 1);
|
|
} else
|
|
{
|
|
doRun();
|
|
}
|
|
checkStackCookie();
|
|
}
|
|
|
|
function checkUnflushedContent() {
|
|
// Compiler settings do not allow exiting the runtime, so flushing
|
|
// the streams is not possible. but in ASSERTIONS mode we check
|
|
// if there was something to flush, and if so tell the user they
|
|
// should request that the runtime be exitable.
|
|
// Normally we would not even include flush() at all, but in ASSERTIONS
|
|
// builds we do so just for this check, and here we see if there is any
|
|
// content to flush, that is, we check if there would have been
|
|
// something a non-ASSERTIONS build would have not seen.
|
|
// How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0
|
|
// mode (which has its own special function for this; otherwise, all
|
|
// the code is inside libc)
|
|
var oldOut = out;
|
|
var oldErr = err;
|
|
var has = false;
|
|
out = err = (x) => {
|
|
has = true;
|
|
}
|
|
try { // it doesn't matter if it fails
|
|
_fflush(0);
|
|
// also flush in the JS FS layer
|
|
['stdout', 'stderr'].forEach(function(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.');
|
|
}
|
|
}
|
|
|
|
if (Module['preInit']) {
|
|
if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
|
|
while (Module['preInit'].length > 0) {
|
|
Module['preInit'].pop()();
|
|
}
|
|
}
|
|
|
|
// shouldRunNow refers to calling main(), not run().
|
|
var shouldRunNow = true;
|
|
|
|
if (Module['noInitialRun']) shouldRunNow = false;
|
|
|
|
run();
|
|
|
|
// end include: postamble.js
|
|
|
|
// 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 Module;
|