9148 lines
333 KiB
JavaScript
9148 lines
333 KiB
JavaScript
// 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 = typeof Module != 'undefined' ? Module : {};
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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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}
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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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if (ENVIRONMENT_IS_WORKER) {
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scriptDirectory = nodePath.dirname(scriptDirectory) + '/';
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} else {
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scriptDirectory = __dirname + '/';
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}
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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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if (typeof module != 'undefined') {
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module['exports'] = Module;
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}
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process.on('uncaughtException', (ex) => {
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// suppress ExitStatus exceptions from showing an error
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if (ex !== 'unwind' && !(ex instanceof ExitStatus) && !(ex.context instanceof ExitStatus)) {
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throw ex;
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}
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});
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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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// 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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// 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) {
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abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
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}
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// Also test the global address 0 for integrity.
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if (HEAPU32[((0)>>2)] != 0x63736d65 /* 'emsc' */) {
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abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
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}
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}
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// end include: runtime_stack_check.js
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// include: runtime_assertions.js
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// Endianness check
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(function() {
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var h16 = new Int16Array(1);
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var h8 = new Int8Array(h16.buffer);
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h16[0] = 0x6373;
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if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)';
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})();
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// end include: runtime_assertions.js
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var __ATPRERUN__ = []; // functions called before the runtime is initialized
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var __ATINIT__ = []; // functions called during startup
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var __ATMAIN__ = []; // functions called when main() is to be run
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var __ATEXIT__ = []; // functions called during shutdown
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var __ATPOSTRUN__ = []; // functions called after the main() is called
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var runtimeInitialized = false;
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function preRun() {
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if (Module['preRun']) {
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if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
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while (Module['preRun'].length) {
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addOnPreRun(Module['preRun'].shift());
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}
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}
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callRuntimeCallbacks(__ATPRERUN__);
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}
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function initRuntime() {
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assert(!runtimeInitialized);
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runtimeInitialized = true;
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checkStackCookie();
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if (!Module['noFSInit'] && !FS.init.initialized)
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FS.init();
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FS.ignorePermissions = false;
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TTY.init();
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callRuntimeCallbacks(__ATINIT__);
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}
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function preMain() {
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checkStackCookie();
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callRuntimeCallbacks(__ATMAIN__);
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}
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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);
|
|
|
|
// 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 ${nargs}`);
|
|
return f(...args);
|
|
};
|
|
}
|
|
|
|
// include: runtime_exceptions.js
|
|
// end include: runtime_exceptions.js
|
|
var wasmBinaryFile;
|
|
wasmBinaryFile = 'graphs.wasm';
|
|
if (!isDataURI(wasmBinaryFile)) {
|
|
wasmBinaryFile = locateFile(wasmBinaryFile);
|
|
}
|
|
|
|
function getBinarySync(file) {
|
|
if (file == wasmBinaryFile && wasmBinary) {
|
|
return new Uint8Array(wasmBinary);
|
|
}
|
|
if (readBinary) {
|
|
return readBinary(file);
|
|
}
|
|
throw 'both async and sync fetching of the wasm failed';
|
|
}
|
|
|
|
function getBinaryPromise(binaryFile) {
|
|
// If we don't have the binary yet, try to load it asynchronously.
|
|
// Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
|
|
// See https://github.com/github/fetch/pull/92#issuecomment-140665932
|
|
// Cordova or Electron apps are typically loaded from a file:// url.
|
|
// So use fetch if it is available and the url is not a file, otherwise fall back to XHR.
|
|
if (!wasmBinary
|
|
&& (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
|
|
if (typeof fetch == 'function'
|
|
&& !isFileURI(binaryFile)
|
|
) {
|
|
return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
|
|
if (!response['ok']) {
|
|
throw `failed to load wasm binary file at '${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: ${e}`);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult);
|
|
return {}; // no exports yet; we'll fill them in later
|
|
}
|
|
|
|
// Globals used by JS i64 conversions (see makeSetValue)
|
|
var tempDouble;
|
|
var tempI64;
|
|
|
|
// include: runtime_debug.js
|
|
function legacyModuleProp(prop, newName, incoming=true) {
|
|
if (!Object.getOwnPropertyDescriptor(Module, prop)) {
|
|
Object.defineProperty(Module, prop, {
|
|
configurable: true,
|
|
get() {
|
|
let extra = incoming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : '';
|
|
abort(`\`Module.${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']);
|
|
};
|
|
|
|
class ExceptionInfo {
|
|
// excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it.
|
|
constructor(excPtr) {
|
|
this.excPtr = excPtr;
|
|
this.ptr = excPtr - 24;
|
|
}
|
|
|
|
set_type(type) {
|
|
HEAPU32[(((this.ptr)+(4))>>2)] = type;
|
|
}
|
|
|
|
get_type() {
|
|
return HEAPU32[(((this.ptr)+(4))>>2)];
|
|
}
|
|
|
|
set_destructor(destructor) {
|
|
HEAPU32[(((this.ptr)+(8))>>2)] = destructor;
|
|
}
|
|
|
|
get_destructor() {
|
|
return HEAPU32[(((this.ptr)+(8))>>2)];
|
|
}
|
|
|
|
set_caught(caught) {
|
|
caught = caught ? 1 : 0;
|
|
HEAP8[(this.ptr)+(12)] = caught;
|
|
}
|
|
|
|
get_caught() {
|
|
return HEAP8[(this.ptr)+(12)] != 0;
|
|
}
|
|
|
|
set_rethrown(rethrown) {
|
|
rethrown = rethrown ? 1 : 0;
|
|
HEAP8[(this.ptr)+(13)] = rethrown;
|
|
}
|
|
|
|
get_rethrown() {
|
|
return HEAP8[(this.ptr)+(13)] != 0;
|
|
}
|
|
|
|
// Initialize native structure fields. Should be called once after allocated.
|
|
init(type, destructor) {
|
|
this.set_adjusted_ptr(0);
|
|
this.set_type(type);
|
|
this.set_destructor(destructor);
|
|
}
|
|
|
|
set_adjusted_ptr(adjustedPtr) {
|
|
HEAPU32[(((this.ptr)+(16))>>2)] = adjustedPtr;
|
|
}
|
|
|
|
get_adjusted_ptr() {
|
|
return HEAPU32[(((this.ptr)+(16))>>2)];
|
|
}
|
|
|
|
// Get pointer which is expected to be received by catch clause in C++ code. It may be adjusted
|
|
// when the pointer is casted to some of the exception object base classes (e.g. when virtual
|
|
// inheritance is used). When a pointer is thrown this method should return the thrown pointer
|
|
// itself.
|
|
get_exception_ptr() {
|
|
// Work around a fastcomp bug, this code is still included for some reason in a build without
|
|
// exceptions support.
|
|
var isPointer = ___cxa_is_pointer_type(this.get_type());
|
|
if (isPointer) {
|
|
return HEAPU32[((this.excPtr)>>2)];
|
|
}
|
|
var adjusted = this.get_adjusted_ptr();
|
|
if (adjusted !== 0) return adjusted;
|
|
return this.excPtr;
|
|
}
|
|
}
|
|
|
|
var exceptionLast = 0;
|
|
|
|
var uncaughtExceptionCount = 0;
|
|
var ___cxa_throw = (ptr, type, destructor) => {
|
|
var info = new ExceptionInfo(ptr);
|
|
// Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception.
|
|
info.init(type, destructor);
|
|
exceptionLast = ptr;
|
|
uncaughtExceptionCount++;
|
|
assert(false, 'Exception thrown, but exception catching is not enabled. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch.');
|
|
};
|
|
|
|
/** @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;
|
|
|
|
|
|
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);
|
|
} 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 {
|
|
result = null;
|
|
}
|
|
} 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 (typeof readline == 'function') {
|
|
// Command line.
|
|
result = readline();
|
|
if (result !== null) {
|
|
result += '\n';
|
|
}
|
|
}
|
|
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 (!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;
|
|
mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode;
|
|
if ((flags & 64)) {
|
|
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_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;
|
|
}
|
|
}
|
|
|
|
|
|
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_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_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;
|
|
}
|
|
}
|
|
|
|
var nowIsMonotonic = 1;
|
|
var __emscripten_get_now_is_monotonic = () => nowIsMonotonic;
|
|
|
|
var __emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
|
|
|
|
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;
|
|
};
|
|
|
|
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 __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;
|
|
;
|
|
}
|
|
|
|
var stringToUTF8 = (str, outPtr, maxBytesToWrite) => {
|
|
assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
|
|
return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
|
|
};
|
|
|
|
var __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 _abort = () => {
|
|
abort('native code called abort()');
|
|
};
|
|
|
|
var _emscripten_date_now = () => Date.now();
|
|
|
|
var JSEvents = {
|
|
removeAllEventListeners() {
|
|
while (JSEvents.eventHandlers.length) {
|
|
JSEvents._removeHandler(JSEvents.eventHandlers.length - 1);
|
|
}
|
|
JSEvents.deferredCalls = [];
|
|
},
|
|
inEventHandler:0,
|
|
deferredCalls:[],
|
|
deferCall(targetFunction, precedence, argsList) {
|
|
function arraysHaveEqualContent(arrA, arrB) {
|
|
if (arrA.length != arrB.length) return false;
|
|
|
|
for (var i in arrA) {
|
|
if (arrA[i] != arrB[i]) return false;
|
|
}
|
|
return true;
|
|
}
|
|
// Test if the given call was already queued, and if so, don't add it again.
|
|
for (var i in JSEvents.deferredCalls) {
|
|
var call = JSEvents.deferredCalls[i];
|
|
if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
|
|
return;
|
|
}
|
|
}
|
|
JSEvents.deferredCalls.push({
|
|
targetFunction,
|
|
precedence,
|
|
argsList
|
|
});
|
|
|
|
JSEvents.deferredCalls.sort((x,y) => x.precedence < y.precedence);
|
|
},
|
|
removeDeferredCalls(targetFunction) {
|
|
for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
|
|
if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
|
|
JSEvents.deferredCalls.splice(i, 1);
|
|
--i;
|
|
}
|
|
}
|
|
},
|
|
canPerformEventHandlerRequests() {
|
|
if (navigator.userActivation) {
|
|
// Verify against transient activation status from UserActivation API
|
|
// whether it is possible to perform a request here without needing to defer. See
|
|
// https://developer.mozilla.org/en-US/docs/Web/Security/User_activation#transient_activation
|
|
// and https://caniuse.com/mdn-api_useractivation
|
|
// At the time of writing, Firefox does not support this API: https://bugzilla.mozilla.org/show_bug.cgi?id=1791079
|
|
return navigator.userActivation.isActive;
|
|
}
|
|
|
|
return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
|
|
},
|
|
runDeferredCalls() {
|
|
if (!JSEvents.canPerformEventHandlerRequests()) {
|
|
return;
|
|
}
|
|
for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
|
|
var call = JSEvents.deferredCalls[i];
|
|
JSEvents.deferredCalls.splice(i, 1);
|
|
--i;
|
|
call.targetFunction(...call.argsList);
|
|
}
|
|
},
|
|
eventHandlers:[],
|
|
removeAllHandlersOnTarget:(target, eventTypeString) => {
|
|
for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
|
|
if (JSEvents.eventHandlers[i].target == target &&
|
|
(!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
|
|
JSEvents._removeHandler(i--);
|
|
}
|
|
}
|
|
},
|
|
_removeHandler(i) {
|
|
var h = JSEvents.eventHandlers[i];
|
|
h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
|
|
JSEvents.eventHandlers.splice(i, 1);
|
|
},
|
|
registerOrRemoveHandler(eventHandler) {
|
|
if (!eventHandler.target) {
|
|
err('registerOrRemoveHandler: the target element for event handler registration does not exist, when processing the following event handler registration:');
|
|
console.dir(eventHandler);
|
|
return -4;
|
|
}
|
|
if (eventHandler.callbackfunc) {
|
|
eventHandler.eventListenerFunc = function(event) {
|
|
// Increment nesting count for the event handler.
|
|
++JSEvents.inEventHandler;
|
|
JSEvents.currentEventHandler = eventHandler;
|
|
// Process any old deferred calls the user has placed.
|
|
JSEvents.runDeferredCalls();
|
|
// Process the actual event, calls back to user C code handler.
|
|
eventHandler.handlerFunc(event);
|
|
// Process any new deferred calls that were placed right now from this event handler.
|
|
JSEvents.runDeferredCalls();
|
|
// Out of event handler - restore nesting count.
|
|
--JSEvents.inEventHandler;
|
|
};
|
|
|
|
eventHandler.target.addEventListener(eventHandler.eventTypeString,
|
|
eventHandler.eventListenerFunc,
|
|
eventHandler.useCapture);
|
|
JSEvents.eventHandlers.push(eventHandler);
|
|
} else {
|
|
for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
|
|
if (JSEvents.eventHandlers[i].target == eventHandler.target
|
|
&& JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
|
|
JSEvents._removeHandler(i--);
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
},
|
|
getNodeNameForTarget(target) {
|
|
if (!target) return '';
|
|
if (target == window) return '#window';
|
|
if (target == screen) return '#screen';
|
|
return target?.nodeName || '';
|
|
},
|
|
fullscreenEnabled() {
|
|
return document.fullscreenEnabled
|
|
// Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitFullscreenEnabled.
|
|
// TODO: If Safari at some point ships with unprefixed version, update the version check above.
|
|
|| document.webkitFullscreenEnabled
|
|
;
|
|
},
|
|
};
|
|
|
|
var maybeCStringToJsString = (cString) => {
|
|
// "cString > 2" checks if the input is a number, and isn't of the special
|
|
// values we accept here, EMSCRIPTEN_EVENT_TARGET_* (which map to 0, 1, 2).
|
|
// In other words, if cString > 2 then it's a pointer to a valid place in
|
|
// memory, and points to a C string.
|
|
return cString > 2 ? UTF8ToString(cString) : cString;
|
|
};
|
|
|
|
/** @type {Object} */
|
|
var specialHTMLTargets = [0, typeof document != 'undefined' ? document : 0, typeof window != 'undefined' ? window : 0];
|
|
var findEventTarget = (target) => {
|
|
target = maybeCStringToJsString(target);
|
|
var domElement = specialHTMLTargets[target] || (typeof document != 'undefined' ? document.querySelector(target) : undefined);
|
|
return domElement;
|
|
};
|
|
|
|
var getBoundingClientRect = (e) => specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {'left':0,'top':0};
|
|
var _emscripten_get_element_css_size = (target, width, height) => {
|
|
target = findEventTarget(target);
|
|
if (!target) return -4;
|
|
|
|
var rect = getBoundingClientRect(target);
|
|
HEAPF64[((width)>>3)] = rect.width;
|
|
HEAPF64[((height)>>3)] = rect.height;
|
|
|
|
return 0;
|
|
};
|
|
|
|
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 = () =>
|
|
HEAPU8.length;
|
|
|
|
var abortOnCannotGrowMemory = (requestedSize) => {
|
|
abort(`Cannot enlarge memory arrays to size ${requestedSize} bytes (OOM). Either (1) compile with -sINITIAL_MEMORY=X with X higher than the current value ${HEAP8.length}, (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0`);
|
|
};
|
|
var _emscripten_resize_heap = (requestedSize) => {
|
|
var oldSize = HEAPU8.length;
|
|
// With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
|
|
requestedSize >>>= 0;
|
|
abortOnCannotGrowMemory(requestedSize);
|
|
};
|
|
|
|
|
|
|
|
|
|
var fillFullscreenChangeEventData = (eventStruct) => {
|
|
var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
|
|
var isFullscreen = !!fullscreenElement;
|
|
// Assigning a boolean to HEAP32 with expected type coercion.
|
|
/** @suppress{checkTypes} */
|
|
HEAP32[((eventStruct)>>2)] = isFullscreen;
|
|
HEAP32[(((eventStruct)+(4))>>2)] = JSEvents.fullscreenEnabled();
|
|
// If transitioning to fullscreen, report info about the element that is now fullscreen.
|
|
// If transitioning to windowed mode, report info about the element that just was fullscreen.
|
|
var reportedElement = isFullscreen ? fullscreenElement : JSEvents.previousFullscreenElement;
|
|
var nodeName = JSEvents.getNodeNameForTarget(reportedElement);
|
|
var id = reportedElement?.id || '';
|
|
stringToUTF8(nodeName, eventStruct + 8, 128);
|
|
stringToUTF8(id, eventStruct + 136, 128);
|
|
HEAP32[(((eventStruct)+(264))>>2)] = reportedElement ? reportedElement.clientWidth : 0;
|
|
HEAP32[(((eventStruct)+(268))>>2)] = reportedElement ? reportedElement.clientHeight : 0;
|
|
HEAP32[(((eventStruct)+(272))>>2)] = screen.width;
|
|
HEAP32[(((eventStruct)+(276))>>2)] = screen.height;
|
|
if (isFullscreen) {
|
|
JSEvents.previousFullscreenElement = fullscreenElement;
|
|
}
|
|
};
|
|
|
|
|
|
|
|
var wasmTableMirror = [];
|
|
|
|
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 registerFullscreenChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
|
|
if (!JSEvents.fullscreenChangeEvent) JSEvents.fullscreenChangeEvent = _malloc(280);
|
|
|
|
var fullscreenChangeEventhandlerFunc = (e = event) => {
|
|
var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent;
|
|
|
|
fillFullscreenChangeEventData(fullscreenChangeEvent);
|
|
|
|
if (getWasmTableEntry(callbackfunc)(eventTypeId, fullscreenChangeEvent, userData)) e.preventDefault();
|
|
};
|
|
|
|
var eventHandler = {
|
|
target,
|
|
eventTypeString,
|
|
callbackfunc,
|
|
handlerFunc: fullscreenChangeEventhandlerFunc,
|
|
useCapture
|
|
};
|
|
return JSEvents.registerOrRemoveHandler(eventHandler);
|
|
};
|
|
|
|
|
|
var _emscripten_set_fullscreenchange_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => {
|
|
if (!JSEvents.fullscreenEnabled()) return -1;
|
|
target = findEventTarget(target);
|
|
if (!target) return -4;
|
|
|
|
// Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813)
|
|
// As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version.
|
|
registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "webkitfullscreenchange", targetThread);
|
|
|
|
return registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "fullscreenchange", targetThread);
|
|
};
|
|
|
|
|
|
var handleException = (e) => {
|
|
// Certain exception types we do not treat as errors since they are used for
|
|
// internal control flow.
|
|
// 1. ExitStatus, which is thrown by exit()
|
|
// 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
|
|
// that wish to return to JS event loop.
|
|
if (e instanceof ExitStatus || e == 'unwind') {
|
|
return EXITSTATUS;
|
|
}
|
|
checkStackCookie();
|
|
if (e instanceof WebAssembly.RuntimeError) {
|
|
if (_emscripten_stack_get_current() <= 0) {
|
|
err('Stack overflow detected. You can try increasing -sSTACK_SIZE (currently set to 65536)');
|
|
}
|
|
}
|
|
quit_(1, e);
|
|
};
|
|
|
|
|
|
var 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)`;
|
|
err(msg);
|
|
}
|
|
|
|
_proc_exit(status);
|
|
};
|
|
var _exit = exitJS;
|
|
|
|
|
|
var maybeExit = () => {
|
|
if (!keepRuntimeAlive()) {
|
|
try {
|
|
_exit(EXITSTATUS);
|
|
} catch (e) {
|
|
handleException(e);
|
|
}
|
|
}
|
|
};
|
|
var callUserCallback = (func) => {
|
|
if (ABORT) {
|
|
err('user callback triggered after runtime exited or application aborted. Ignoring.');
|
|
return;
|
|
}
|
|
try {
|
|
func();
|
|
maybeExit();
|
|
} catch (e) {
|
|
handleException(e);
|
|
}
|
|
};
|
|
|
|
/** @param {number=} timeout */
|
|
var safeSetTimeout = (func, timeout) => {
|
|
|
|
return setTimeout(() => {
|
|
|
|
callUserCallback(func);
|
|
}, timeout);
|
|
};
|
|
|
|
|
|
|
|
|
|
var Browser = {
|
|
mainLoop:{
|
|
running:false,
|
|
scheduler:null,
|
|
method:"",
|
|
currentlyRunningMainloop:0,
|
|
func:null,
|
|
arg:0,
|
|
timingMode:0,
|
|
timingValue:0,
|
|
currentFrameNumber:0,
|
|
queue:[],
|
|
pause() {
|
|
Browser.mainLoop.scheduler = null;
|
|
// Incrementing this signals the previous main loop that it's now become old, and it must return.
|
|
Browser.mainLoop.currentlyRunningMainloop++;
|
|
},
|
|
resume() {
|
|
Browser.mainLoop.currentlyRunningMainloop++;
|
|
var timingMode = Browser.mainLoop.timingMode;
|
|
var timingValue = Browser.mainLoop.timingValue;
|
|
var func = Browser.mainLoop.func;
|
|
Browser.mainLoop.func = null;
|
|
// do not set timing and call scheduler, we will do it on the next lines
|
|
setMainLoop(func, 0, false, Browser.mainLoop.arg, true);
|
|
_emscripten_set_main_loop_timing(timingMode, timingValue);
|
|
Browser.mainLoop.scheduler();
|
|
},
|
|
updateStatus() {
|
|
if (Module['setStatus']) {
|
|
var message = Module['statusMessage'] || 'Please wait...';
|
|
var remaining = Browser.mainLoop.remainingBlockers;
|
|
var expected = Browser.mainLoop.expectedBlockers;
|
|
if (remaining) {
|
|
if (remaining < expected) {
|
|
Module['setStatus'](`{message} ({expected - remaining}/{expected})`);
|
|
} else {
|
|
Module['setStatus'](message);
|
|
}
|
|
} else {
|
|
Module['setStatus']('');
|
|
}
|
|
}
|
|
},
|
|
runIter(func) {
|
|
if (ABORT) return;
|
|
if (Module['preMainLoop']) {
|
|
var preRet = Module['preMainLoop']();
|
|
if (preRet === false) {
|
|
return; // |return false| skips a frame
|
|
}
|
|
}
|
|
callUserCallback(func);
|
|
Module['postMainLoop']?.();
|
|
},
|
|
},
|
|
isFullscreen:false,
|
|
pointerLock:false,
|
|
moduleContextCreatedCallbacks:[],
|
|
workers:[],
|
|
init() {
|
|
if (Browser.initted) return;
|
|
Browser.initted = true;
|
|
|
|
// Support for plugins that can process preloaded files. You can add more of these to
|
|
// your app by creating and appending to preloadPlugins.
|
|
//
|
|
// Each plugin is asked if it can handle a file based on the file's name. If it can,
|
|
// it is given the file's raw data. When it is done, it calls a callback with the file's
|
|
// (possibly modified) data. For example, a plugin might decompress a file, or it
|
|
// might create some side data structure for use later (like an Image element, etc.).
|
|
|
|
var imagePlugin = {};
|
|
imagePlugin['canHandle'] = function imagePlugin_canHandle(name) {
|
|
return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name);
|
|
};
|
|
imagePlugin['handle'] = function imagePlugin_handle(byteArray, name, onload, onerror) {
|
|
var b = new Blob([byteArray], { type: Browser.getMimetype(name) });
|
|
if (b.size !== byteArray.length) { // Safari bug #118630
|
|
// Safari's Blob can only take an ArrayBuffer
|
|
b = new Blob([(new Uint8Array(byteArray)).buffer], { type: Browser.getMimetype(name) });
|
|
}
|
|
var url = URL.createObjectURL(b);
|
|
assert(typeof url == 'string', 'createObjectURL must return a url as a string');
|
|
var img = new Image();
|
|
img.onload = () => {
|
|
assert(img.complete, `Image ${name} could not be decoded`);
|
|
var canvas = /** @type {!HTMLCanvasElement} */ (document.createElement('canvas'));
|
|
canvas.width = img.width;
|
|
canvas.height = img.height;
|
|
var ctx = canvas.getContext('2d');
|
|
ctx.drawImage(img, 0, 0);
|
|
preloadedImages[name] = canvas;
|
|
URL.revokeObjectURL(url);
|
|
onload?.(byteArray);
|
|
};
|
|
img.onerror = (event) => {
|
|
err(`Image ${url} could not be decoded`);
|
|
onerror?.();
|
|
};
|
|
img.src = url;
|
|
};
|
|
preloadPlugins.push(imagePlugin);
|
|
|
|
var audioPlugin = {};
|
|
audioPlugin['canHandle'] = function audioPlugin_canHandle(name) {
|
|
return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 };
|
|
};
|
|
audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onload, onerror) {
|
|
var done = false;
|
|
function finish(audio) {
|
|
if (done) return;
|
|
done = true;
|
|
preloadedAudios[name] = audio;
|
|
onload?.(byteArray);
|
|
}
|
|
function fail() {
|
|
if (done) return;
|
|
done = true;
|
|
preloadedAudios[name] = new Audio(); // empty shim
|
|
onerror?.();
|
|
}
|
|
var b = new Blob([byteArray], { type: Browser.getMimetype(name) });
|
|
var url = URL.createObjectURL(b); // XXX we never revoke this!
|
|
assert(typeof url == 'string', 'createObjectURL must return a url as a string');
|
|
var audio = new Audio();
|
|
audio.addEventListener('canplaythrough', () => finish(audio), false); // use addEventListener due to chromium bug 124926
|
|
audio.onerror = function audio_onerror(event) {
|
|
if (done) return;
|
|
err(`warning: browser could not fully decode audio ${name}, trying slower base64 approach`);
|
|
function encode64(data) {
|
|
var BASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
|
|
var PAD = '=';
|
|
var ret = '';
|
|
var leftchar = 0;
|
|
var leftbits = 0;
|
|
for (var i = 0; i < data.length; i++) {
|
|
leftchar = (leftchar << 8) | data[i];
|
|
leftbits += 8;
|
|
while (leftbits >= 6) {
|
|
var curr = (leftchar >> (leftbits-6)) & 0x3f;
|
|
leftbits -= 6;
|
|
ret += BASE[curr];
|
|
}
|
|
}
|
|
if (leftbits == 2) {
|
|
ret += BASE[(leftchar&3) << 4];
|
|
ret += PAD + PAD;
|
|
} else if (leftbits == 4) {
|
|
ret += BASE[(leftchar&0xf) << 2];
|
|
ret += PAD;
|
|
}
|
|
return ret;
|
|
}
|
|
audio.src = 'data:audio/x-' + name.substr(-3) + ';base64,' + encode64(byteArray);
|
|
finish(audio); // we don't wait for confirmation this worked - but it's worth trying
|
|
};
|
|
audio.src = url;
|
|
// workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
|
|
safeSetTimeout(() => {
|
|
finish(audio); // try to use it even though it is not necessarily ready to play
|
|
}, 10000);
|
|
};
|
|
preloadPlugins.push(audioPlugin);
|
|
|
|
// Canvas event setup
|
|
|
|
function pointerLockChange() {
|
|
Browser.pointerLock = document['pointerLockElement'] === Module['canvas'] ||
|
|
document['mozPointerLockElement'] === Module['canvas'] ||
|
|
document['webkitPointerLockElement'] === Module['canvas'] ||
|
|
document['msPointerLockElement'] === Module['canvas'];
|
|
}
|
|
var canvas = Module['canvas'];
|
|
if (canvas) {
|
|
// forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module
|
|
// Module['forcedAspectRatio'] = 4 / 3;
|
|
|
|
canvas.requestPointerLock = canvas['requestPointerLock'] ||
|
|
canvas['mozRequestPointerLock'] ||
|
|
canvas['webkitRequestPointerLock'] ||
|
|
canvas['msRequestPointerLock'] ||
|
|
(() => {});
|
|
canvas.exitPointerLock = document['exitPointerLock'] ||
|
|
document['mozExitPointerLock'] ||
|
|
document['webkitExitPointerLock'] ||
|
|
document['msExitPointerLock'] ||
|
|
(() => {}); // no-op if function does not exist
|
|
canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
|
|
|
|
document.addEventListener('pointerlockchange', pointerLockChange, false);
|
|
document.addEventListener('mozpointerlockchange', pointerLockChange, false);
|
|
document.addEventListener('webkitpointerlockchange', pointerLockChange, false);
|
|
document.addEventListener('mspointerlockchange', pointerLockChange, false);
|
|
|
|
if (Module['elementPointerLock']) {
|
|
canvas.addEventListener("click", (ev) => {
|
|
if (!Browser.pointerLock && Module['canvas'].requestPointerLock) {
|
|
Module['canvas'].requestPointerLock();
|
|
ev.preventDefault();
|
|
}
|
|
}, false);
|
|
}
|
|
}
|
|
},
|
|
createContext(/** @type {HTMLCanvasElement} */ canvas, useWebGL, setInModule, webGLContextAttributes) {
|
|
if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx; // no need to recreate GL context if it's already been created for this canvas.
|
|
|
|
var ctx;
|
|
var contextHandle;
|
|
if (useWebGL) {
|
|
// For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults.
|
|
var contextAttributes = {
|
|
antialias: false,
|
|
alpha: false,
|
|
majorVersion: (typeof WebGL2RenderingContext != 'undefined') ? 2 : 1,
|
|
};
|
|
|
|
if (webGLContextAttributes) {
|
|
for (var attribute in webGLContextAttributes) {
|
|
contextAttributes[attribute] = webGLContextAttributes[attribute];
|
|
}
|
|
}
|
|
|
|
// This check of existence of GL is here to satisfy Closure compiler, which yells if variable GL is referenced below but GL object is not
|
|
// actually compiled in because application is not doing any GL operations. TODO: Ideally if GL is not being used, this function
|
|
// Browser.createContext() should not even be emitted.
|
|
if (typeof GL != 'undefined') {
|
|
contextHandle = GL.createContext(canvas, contextAttributes);
|
|
if (contextHandle) {
|
|
ctx = GL.getContext(contextHandle).GLctx;
|
|
}
|
|
}
|
|
} else {
|
|
ctx = canvas.getContext('2d');
|
|
}
|
|
|
|
if (!ctx) return null;
|
|
|
|
if (setInModule) {
|
|
if (!useWebGL) assert(typeof GLctx == 'undefined', 'cannot set in module if GLctx is used, but we are a non-GL context that would replace it');
|
|
Module.ctx = ctx;
|
|
if (useWebGL) GL.makeContextCurrent(contextHandle);
|
|
Module.useWebGL = useWebGL;
|
|
Browser.moduleContextCreatedCallbacks.forEach((callback) => callback());
|
|
Browser.init();
|
|
}
|
|
return ctx;
|
|
},
|
|
destroyContext(canvas, useWebGL, setInModule) {},
|
|
fullscreenHandlersInstalled:false,
|
|
lockPointer:undefined,
|
|
resizeCanvas:undefined,
|
|
requestFullscreen(lockPointer, resizeCanvas) {
|
|
Browser.lockPointer = lockPointer;
|
|
Browser.resizeCanvas = resizeCanvas;
|
|
if (typeof Browser.lockPointer == 'undefined') Browser.lockPointer = true;
|
|
if (typeof Browser.resizeCanvas == 'undefined') Browser.resizeCanvas = false;
|
|
|
|
var canvas = Module['canvas'];
|
|
function fullscreenChange() {
|
|
Browser.isFullscreen = false;
|
|
var canvasContainer = canvas.parentNode;
|
|
if ((document['fullscreenElement'] || document['mozFullScreenElement'] ||
|
|
document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
|
|
document['webkitCurrentFullScreenElement']) === canvasContainer) {
|
|
canvas.exitFullscreen = Browser.exitFullscreen;
|
|
if (Browser.lockPointer) canvas.requestPointerLock();
|
|
Browser.isFullscreen = true;
|
|
if (Browser.resizeCanvas) {
|
|
Browser.setFullscreenCanvasSize();
|
|
} else {
|
|
Browser.updateCanvasDimensions(canvas);
|
|
}
|
|
} else {
|
|
// remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen
|
|
canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
|
|
canvasContainer.parentNode.removeChild(canvasContainer);
|
|
|
|
if (Browser.resizeCanvas) {
|
|
Browser.setWindowedCanvasSize();
|
|
} else {
|
|
Browser.updateCanvasDimensions(canvas);
|
|
}
|
|
}
|
|
Module['onFullScreen']?.(Browser.isFullscreen);
|
|
Module['onFullscreen']?.(Browser.isFullscreen);
|
|
}
|
|
|
|
if (!Browser.fullscreenHandlersInstalled) {
|
|
Browser.fullscreenHandlersInstalled = true;
|
|
document.addEventListener('fullscreenchange', fullscreenChange, false);
|
|
document.addEventListener('mozfullscreenchange', fullscreenChange, false);
|
|
document.addEventListener('webkitfullscreenchange', fullscreenChange, false);
|
|
document.addEventListener('MSFullscreenChange', fullscreenChange, false);
|
|
}
|
|
|
|
// create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root
|
|
var canvasContainer = document.createElement("div");
|
|
canvas.parentNode.insertBefore(canvasContainer, canvas);
|
|
canvasContainer.appendChild(canvas);
|
|
|
|
// use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size)
|
|
canvasContainer.requestFullscreen = canvasContainer['requestFullscreen'] ||
|
|
canvasContainer['mozRequestFullScreen'] ||
|
|
canvasContainer['msRequestFullscreen'] ||
|
|
(canvasContainer['webkitRequestFullscreen'] ? () => canvasContainer['webkitRequestFullscreen'](Element['ALLOW_KEYBOARD_INPUT']) : null) ||
|
|
(canvasContainer['webkitRequestFullScreen'] ? () => canvasContainer['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) : null);
|
|
|
|
canvasContainer.requestFullscreen();
|
|
},
|
|
requestFullScreen() {
|
|
abort('Module.requestFullScreen has been replaced by Module.requestFullscreen (without a capital S)');
|
|
},
|
|
exitFullscreen() {
|
|
// This is workaround for chrome. Trying to exit from fullscreen
|
|
// not in fullscreen state will cause "TypeError: Document not active"
|
|
// in chrome. See https://github.com/emscripten-core/emscripten/pull/8236
|
|
if (!Browser.isFullscreen) {
|
|
return false;
|
|
}
|
|
|
|
var CFS = document['exitFullscreen'] ||
|
|
document['cancelFullScreen'] ||
|
|
document['mozCancelFullScreen'] ||
|
|
document['msExitFullscreen'] ||
|
|
document['webkitCancelFullScreen'] ||
|
|
(() => {});
|
|
CFS.apply(document, []);
|
|
return true;
|
|
},
|
|
nextRAF:0,
|
|
fakeRequestAnimationFrame(func) {
|
|
// try to keep 60fps between calls to here
|
|
var now = Date.now();
|
|
if (Browser.nextRAF === 0) {
|
|
Browser.nextRAF = now + 1000/60;
|
|
} else {
|
|
while (now + 2 >= Browser.nextRAF) { // fudge a little, to avoid timer jitter causing us to do lots of delay:0
|
|
Browser.nextRAF += 1000/60;
|
|
}
|
|
}
|
|
var delay = Math.max(Browser.nextRAF - now, 0);
|
|
setTimeout(func, delay);
|
|
},
|
|
requestAnimationFrame(func) {
|
|
if (typeof requestAnimationFrame == 'function') {
|
|
requestAnimationFrame(func);
|
|
return;
|
|
}
|
|
var RAF = Browser.fakeRequestAnimationFrame;
|
|
RAF(func);
|
|
},
|
|
safeSetTimeout(func, timeout) {
|
|
// Legacy function, this is used by the SDL2 port so we need to keep it
|
|
// around at least until that is updated.
|
|
// See https://github.com/libsdl-org/SDL/pull/6304
|
|
return safeSetTimeout(func, timeout);
|
|
},
|
|
safeRequestAnimationFrame(func) {
|
|
|
|
return Browser.requestAnimationFrame(() => {
|
|
|
|
callUserCallback(func);
|
|
});
|
|
},
|
|
getMimetype(name) {
|
|
return {
|
|
'jpg': 'image/jpeg',
|
|
'jpeg': 'image/jpeg',
|
|
'png': 'image/png',
|
|
'bmp': 'image/bmp',
|
|
'ogg': 'audio/ogg',
|
|
'wav': 'audio/wav',
|
|
'mp3': 'audio/mpeg'
|
|
}[name.substr(name.lastIndexOf('.')+1)];
|
|
},
|
|
getUserMedia(func) {
|
|
window.getUserMedia ||= navigator['getUserMedia'] ||
|
|
navigator['mozGetUserMedia'];
|
|
window.getUserMedia(func);
|
|
},
|
|
getMovementX(event) {
|
|
return event['movementX'] ||
|
|
event['mozMovementX'] ||
|
|
event['webkitMovementX'] ||
|
|
0;
|
|
},
|
|
getMovementY(event) {
|
|
return event['movementY'] ||
|
|
event['mozMovementY'] ||
|
|
event['webkitMovementY'] ||
|
|
0;
|
|
},
|
|
getMouseWheelDelta(event) {
|
|
var delta = 0;
|
|
switch (event.type) {
|
|
case 'DOMMouseScroll':
|
|
// 3 lines make up a step
|
|
delta = event.detail / 3;
|
|
break;
|
|
case 'mousewheel':
|
|
// 120 units make up a step
|
|
delta = event.wheelDelta / 120;
|
|
break;
|
|
case 'wheel':
|
|
delta = event.deltaY
|
|
switch (event.deltaMode) {
|
|
case 0:
|
|
// DOM_DELTA_PIXEL: 100 pixels make up a step
|
|
delta /= 100;
|
|
break;
|
|
case 1:
|
|
// DOM_DELTA_LINE: 3 lines make up a step
|
|
delta /= 3;
|
|
break;
|
|
case 2:
|
|
// DOM_DELTA_PAGE: A page makes up 80 steps
|
|
delta *= 80;
|
|
break;
|
|
default:
|
|
throw 'unrecognized mouse wheel delta mode: ' + event.deltaMode;
|
|
}
|
|
break;
|
|
default:
|
|
throw 'unrecognized mouse wheel event: ' + event.type;
|
|
}
|
|
return delta;
|
|
},
|
|
mouseX:0,
|
|
mouseY:0,
|
|
mouseMovementX:0,
|
|
mouseMovementY:0,
|
|
touches:{
|
|
},
|
|
lastTouches:{
|
|
},
|
|
calculateMouseCoords(pageX, pageY) {
|
|
// Calculate the movement based on the changes
|
|
// in the coordinates.
|
|
var rect = Module["canvas"].getBoundingClientRect();
|
|
var cw = Module["canvas"].width;
|
|
var ch = Module["canvas"].height;
|
|
|
|
// Neither .scrollX or .pageXOffset are defined in a spec, but
|
|
// we prefer .scrollX because it is currently in a spec draft.
|
|
// (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
|
|
var scrollX = ((typeof window.scrollX != 'undefined') ? window.scrollX : window.pageXOffset);
|
|
var scrollY = ((typeof window.scrollY != 'undefined') ? window.scrollY : window.pageYOffset);
|
|
// If this assert lands, it's likely because the browser doesn't support scrollX or pageXOffset
|
|
// and we have no viable fallback.
|
|
assert((typeof scrollX != 'undefined') && (typeof scrollY != 'undefined'), 'Unable to retrieve scroll position, mouse positions likely broken.');
|
|
var adjustedX = pageX - (scrollX + rect.left);
|
|
var adjustedY = pageY - (scrollY + rect.top);
|
|
|
|
// the canvas might be CSS-scaled compared to its backbuffer;
|
|
// SDL-using content will want mouse coordinates in terms
|
|
// of backbuffer units.
|
|
adjustedX = adjustedX * (cw / rect.width);
|
|
adjustedY = adjustedY * (ch / rect.height);
|
|
|
|
return { x: adjustedX, y: adjustedY };
|
|
},
|
|
setMouseCoords(pageX, pageY) {
|
|
const {x, y} = Browser.calculateMouseCoords(pageX, pageY);
|
|
Browser.mouseMovementX = x - Browser.mouseX;
|
|
Browser.mouseMovementY = y - Browser.mouseY;
|
|
Browser.mouseX = x;
|
|
Browser.mouseY = y;
|
|
},
|
|
calculateMouseEvent(event) { // event should be mousemove, mousedown or mouseup
|
|
if (Browser.pointerLock) {
|
|
// When the pointer is locked, calculate the coordinates
|
|
// based on the movement of the mouse.
|
|
// Workaround for Firefox bug 764498
|
|
if (event.type != 'mousemove' &&
|
|
('mozMovementX' in event)) {
|
|
Browser.mouseMovementX = Browser.mouseMovementY = 0;
|
|
} else {
|
|
Browser.mouseMovementX = Browser.getMovementX(event);
|
|
Browser.mouseMovementY = Browser.getMovementY(event);
|
|
}
|
|
|
|
// add the mouse delta to the current absolute mouse position
|
|
Browser.mouseX += Browser.mouseMovementX;
|
|
Browser.mouseY += Browser.mouseMovementY;
|
|
} else {
|
|
if (event.type === 'touchstart' || event.type === 'touchend' || event.type === 'touchmove') {
|
|
var touch = event.touch;
|
|
if (touch === undefined) {
|
|
return; // the "touch" property is only defined in SDL
|
|
|
|
}
|
|
var coords = Browser.calculateMouseCoords(touch.pageX, touch.pageY);
|
|
|
|
if (event.type === 'touchstart') {
|
|
Browser.lastTouches[touch.identifier] = coords;
|
|
Browser.touches[touch.identifier] = coords;
|
|
} else if (event.type === 'touchend' || event.type === 'touchmove') {
|
|
var last = Browser.touches[touch.identifier];
|
|
last ||= coords;
|
|
Browser.lastTouches[touch.identifier] = last;
|
|
Browser.touches[touch.identifier] = coords;
|
|
}
|
|
return;
|
|
}
|
|
|
|
Browser.setMouseCoords(event.pageX, event.pageY);
|
|
}
|
|
},
|
|
resizeListeners:[],
|
|
updateResizeListeners() {
|
|
var canvas = Module['canvas'];
|
|
Browser.resizeListeners.forEach((listener) => listener(canvas.width, canvas.height));
|
|
},
|
|
setCanvasSize(width, height, noUpdates) {
|
|
var canvas = Module['canvas'];
|
|
Browser.updateCanvasDimensions(canvas, width, height);
|
|
if (!noUpdates) Browser.updateResizeListeners();
|
|
},
|
|
windowedWidth:0,
|
|
windowedHeight:0,
|
|
setFullscreenCanvasSize() {
|
|
// check if SDL is available
|
|
if (typeof SDL != "undefined") {
|
|
var flags = HEAPU32[((SDL.screen)>>2)];
|
|
flags = flags | 0x00800000; // set SDL_FULLSCREEN flag
|
|
HEAP32[((SDL.screen)>>2)] = flags;
|
|
}
|
|
Browser.updateCanvasDimensions(Module['canvas']);
|
|
Browser.updateResizeListeners();
|
|
},
|
|
setWindowedCanvasSize() {
|
|
// check if SDL is available
|
|
if (typeof SDL != "undefined") {
|
|
var flags = HEAPU32[((SDL.screen)>>2)];
|
|
flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag
|
|
HEAP32[((SDL.screen)>>2)] = flags;
|
|
}
|
|
Browser.updateCanvasDimensions(Module['canvas']);
|
|
Browser.updateResizeListeners();
|
|
},
|
|
updateCanvasDimensions(canvas, wNative, hNative) {
|
|
if (wNative && hNative) {
|
|
canvas.widthNative = wNative;
|
|
canvas.heightNative = hNative;
|
|
} else {
|
|
wNative = canvas.widthNative;
|
|
hNative = canvas.heightNative;
|
|
}
|
|
var w = wNative;
|
|
var h = hNative;
|
|
if (Module['forcedAspectRatio'] && Module['forcedAspectRatio'] > 0) {
|
|
if (w/h < Module['forcedAspectRatio']) {
|
|
w = Math.round(h * Module['forcedAspectRatio']);
|
|
} else {
|
|
h = Math.round(w / Module['forcedAspectRatio']);
|
|
}
|
|
}
|
|
if (((document['fullscreenElement'] || document['mozFullScreenElement'] ||
|
|
document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
|
|
document['webkitCurrentFullScreenElement']) === canvas.parentNode) && (typeof screen != 'undefined')) {
|
|
var factor = Math.min(screen.width / w, screen.height / h);
|
|
w = Math.round(w * factor);
|
|
h = Math.round(h * factor);
|
|
}
|
|
if (Browser.resizeCanvas) {
|
|
if (canvas.width != w) canvas.width = w;
|
|
if (canvas.height != h) canvas.height = h;
|
|
if (typeof canvas.style != 'undefined') {
|
|
canvas.style.removeProperty( "width");
|
|
canvas.style.removeProperty("height");
|
|
}
|
|
} else {
|
|
if (canvas.width != wNative) canvas.width = wNative;
|
|
if (canvas.height != hNative) canvas.height = hNative;
|
|
if (typeof canvas.style != 'undefined') {
|
|
if (w != wNative || h != hNative) {
|
|
canvas.style.setProperty( "width", w + "px", "important");
|
|
canvas.style.setProperty("height", h + "px", "important");
|
|
} else {
|
|
canvas.style.removeProperty( "width");
|
|
canvas.style.removeProperty("height");
|
|
}
|
|
}
|
|
}
|
|
},
|
|
};
|
|
var _emscripten_set_main_loop_timing = (mode, value) => {
|
|
Browser.mainLoop.timingMode = mode;
|
|
Browser.mainLoop.timingValue = value;
|
|
|
|
if (!Browser.mainLoop.func) {
|
|
err('emscripten_set_main_loop_timing: Cannot set timing mode for main loop since a main loop does not exist! Call emscripten_set_main_loop first to set one up.');
|
|
return 1; // Return non-zero on failure, can't set timing mode when there is no main loop.
|
|
}
|
|
|
|
if (!Browser.mainLoop.running) {
|
|
|
|
Browser.mainLoop.running = true;
|
|
}
|
|
if (mode == 0) {
|
|
Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
|
|
var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now())|0;
|
|
setTimeout(Browser.mainLoop.runner, timeUntilNextTick); // doing this each time means that on exception, we stop
|
|
};
|
|
Browser.mainLoop.method = 'timeout';
|
|
} else if (mode == 1) {
|
|
Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
|
|
Browser.requestAnimationFrame(Browser.mainLoop.runner);
|
|
};
|
|
Browser.mainLoop.method = 'rAF';
|
|
} else if (mode == 2) {
|
|
if (typeof Browser.setImmediate == 'undefined') {
|
|
if (typeof setImmediate == 'undefined') {
|
|
// Emulate setImmediate. (note: not a complete polyfill, we don't emulate clearImmediate() to keep code size to minimum, since not needed)
|
|
var setImmediates = [];
|
|
var emscriptenMainLoopMessageId = 'setimmediate';
|
|
/** @param {Event} event */
|
|
var Browser_setImmediate_messageHandler = (event) => {
|
|
// When called in current thread or Worker, the main loop ID is structured slightly different to accommodate for --proxy-to-worker runtime listening to Worker events,
|
|
// so check for both cases.
|
|
if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
|
|
event.stopPropagation();
|
|
setImmediates.shift()();
|
|
}
|
|
};
|
|
addEventListener("message", Browser_setImmediate_messageHandler, true);
|
|
Browser.setImmediate = /** @type{function(function(): ?, ...?): number} */(function Browser_emulated_setImmediate(func) {
|
|
setImmediates.push(func);
|
|
if (ENVIRONMENT_IS_WORKER) {
|
|
if (Module['setImmediates'] === undefined) Module['setImmediates'] = [];
|
|
Module['setImmediates'].push(func);
|
|
postMessage({target: emscriptenMainLoopMessageId}); // In --proxy-to-worker, route the message via proxyClient.js
|
|
} else postMessage(emscriptenMainLoopMessageId, "*"); // On the main thread, can just send the message to itself.
|
|
});
|
|
} else {
|
|
Browser.setImmediate = setImmediate;
|
|
}
|
|
}
|
|
Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
|
|
Browser.setImmediate(Browser.mainLoop.runner);
|
|
};
|
|
Browser.mainLoop.method = 'immediate';
|
|
}
|
|
return 0;
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
* @param {number=} arg
|
|
* @param {boolean=} noSetTiming
|
|
*/
|
|
var setMainLoop = (browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) => {
|
|
assert(!Browser.mainLoop.func, 'emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.');
|
|
Browser.mainLoop.func = browserIterationFunc;
|
|
Browser.mainLoop.arg = arg;
|
|
|
|
// Closure compiler bug(?): Closure does not see that the assignment
|
|
// var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop
|
|
// is a value copy of a number (even with the JSDoc @type annotation)
|
|
// but optimizeis the code as if the assignment was a reference assignment,
|
|
// which results in Browser.mainLoop.pause() not working. Hence use a
|
|
// workaround to make Closure believe this is a value copy that should occur:
|
|
// (TODO: Minimize this down to a small test case and report - was unable
|
|
// to reproduce in a small written test case)
|
|
/** @type{number} */
|
|
var thisMainLoopId = (() => Browser.mainLoop.currentlyRunningMainloop)();
|
|
function checkIsRunning() {
|
|
if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) {
|
|
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// We create the loop runner here but it is not actually running until
|
|
// _emscripten_set_main_loop_timing is called (which might happen a
|
|
// later time). This member signifies that the current runner has not
|
|
// yet been started so that we can call runtimeKeepalivePush when it
|
|
// gets it timing set for the first time.
|
|
Browser.mainLoop.running = false;
|
|
Browser.mainLoop.runner = function Browser_mainLoop_runner() {
|
|
if (ABORT) return;
|
|
if (Browser.mainLoop.queue.length > 0) {
|
|
var start = Date.now();
|
|
var blocker = Browser.mainLoop.queue.shift();
|
|
blocker.func(blocker.arg);
|
|
if (Browser.mainLoop.remainingBlockers) {
|
|
var remaining = Browser.mainLoop.remainingBlockers;
|
|
var next = remaining%1 == 0 ? remaining-1 : Math.floor(remaining);
|
|
if (blocker.counted) {
|
|
Browser.mainLoop.remainingBlockers = next;
|
|
} else {
|
|
// not counted, but move the progress along a tiny bit
|
|
next = next + 0.5; // do not steal all the next one's progress
|
|
Browser.mainLoop.remainingBlockers = (8*remaining + next)/9;
|
|
}
|
|
}
|
|
Browser.mainLoop.updateStatus();
|
|
|
|
// catches pause/resume main loop from blocker execution
|
|
if (!checkIsRunning()) return;
|
|
|
|
setTimeout(Browser.mainLoop.runner, 0);
|
|
return;
|
|
}
|
|
|
|
// catch pauses from non-main loop sources
|
|
if (!checkIsRunning()) return;
|
|
|
|
// Implement very basic swap interval control
|
|
Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0;
|
|
if (Browser.mainLoop.timingMode == 1 && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) {
|
|
// Not the scheduled time to render this frame - skip.
|
|
Browser.mainLoop.scheduler();
|
|
return;
|
|
} else if (Browser.mainLoop.timingMode == 0) {
|
|
Browser.mainLoop.tickStartTime = _emscripten_get_now();
|
|
}
|
|
|
|
// Signal GL rendering layer that processing of a new frame is about to start. This helps it optimize
|
|
// VBO double-buffering and reduce GPU stalls.
|
|
|
|
if (Browser.mainLoop.method === 'timeout' && Module.ctx) {
|
|
warnOnce('Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!');
|
|
Browser.mainLoop.method = ''; // just warn once per call to set main loop
|
|
}
|
|
|
|
Browser.mainLoop.runIter(browserIterationFunc);
|
|
|
|
checkStackCookie();
|
|
|
|
// catch pauses from the main loop itself
|
|
if (!checkIsRunning()) return;
|
|
|
|
// Queue new audio data. This is important to be right after the main loop invocation, so that we will immediately be able
|
|
// to queue the newest produced audio samples.
|
|
// TODO: Consider adding pre- and post- rAF callbacks so that GL.newRenderingFrameStarted() and SDL.audio.queueNewAudioData()
|
|
// do not need to be hardcoded into this function, but can be more generic.
|
|
if (typeof SDL == 'object') SDL.audio?.queueNewAudioData?.();
|
|
|
|
Browser.mainLoop.scheduler();
|
|
}
|
|
|
|
if (!noSetTiming) {
|
|
if (fps && fps > 0) {
|
|
_emscripten_set_main_loop_timing(0, 1000.0 / fps);
|
|
} else {
|
|
// Do rAF by rendering each frame (no decimating)
|
|
_emscripten_set_main_loop_timing(1, 1);
|
|
}
|
|
|
|
Browser.mainLoop.scheduler();
|
|
}
|
|
|
|
if (simulateInfiniteLoop) {
|
|
throw 'unwind';
|
|
}
|
|
};
|
|
|
|
|
|
var _emscripten_set_main_loop_arg = (func, arg, fps, simulateInfiniteLoop) => {
|
|
var browserIterationFunc = () => getWasmTableEntry(func)(arg);
|
|
setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg);
|
|
};
|
|
|
|
|
|
|
|
|
|
var registerUiEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
|
|
if (!JSEvents.uiEvent) JSEvents.uiEvent = _malloc(36);
|
|
|
|
target = findEventTarget(target);
|
|
|
|
var uiEventHandlerFunc = (e = event) => {
|
|
if (e.target != target) {
|
|
// Never take ui events such as scroll via a 'bubbled' route, but always from the direct element that
|
|
// was targeted. Otherwise e.g. if app logs a message in response to a page scroll, the Emscripten log
|
|
// message box could cause to scroll, generating a new (bubbled) scroll message, causing a new log print,
|
|
// causing a new scroll, etc..
|
|
return;
|
|
}
|
|
var b = document.body; // Take document.body to a variable, Closure compiler does not outline access to it on its own.
|
|
if (!b) {
|
|
// During a page unload 'body' can be null, with "Cannot read property 'clientWidth' of null" being thrown
|
|
return;
|
|
}
|
|
var uiEvent = JSEvents.uiEvent;
|
|
HEAP32[((uiEvent)>>2)] = 0; // always zero for resize and scroll
|
|
HEAP32[(((uiEvent)+(4))>>2)] = b.clientWidth;
|
|
HEAP32[(((uiEvent)+(8))>>2)] = b.clientHeight;
|
|
HEAP32[(((uiEvent)+(12))>>2)] = innerWidth;
|
|
HEAP32[(((uiEvent)+(16))>>2)] = innerHeight;
|
|
HEAP32[(((uiEvent)+(20))>>2)] = outerWidth;
|
|
HEAP32[(((uiEvent)+(24))>>2)] = outerHeight;
|
|
HEAP32[(((uiEvent)+(28))>>2)] = pageXOffset | 0; // scroll offsets are float
|
|
HEAP32[(((uiEvent)+(32))>>2)] = pageYOffset | 0;
|
|
if (getWasmTableEntry(callbackfunc)(eventTypeId, uiEvent, userData)) e.preventDefault();
|
|
};
|
|
|
|
var eventHandler = {
|
|
target,
|
|
eventTypeString,
|
|
callbackfunc,
|
|
handlerFunc: uiEventHandlerFunc,
|
|
useCapture
|
|
};
|
|
return JSEvents.registerOrRemoveHandler(eventHandler);
|
|
};
|
|
var _emscripten_set_resize_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
|
|
registerUiEventCallback(target, userData, useCapture, callbackfunc, 10, "resize", targetThread);
|
|
|
|
|
|
|
|
|
|
|
|
var fillMouseEventData = (eventStruct, e, target) => {
|
|
assert(eventStruct % 4 == 0);
|
|
HEAPF64[((eventStruct)>>3)] = e.timeStamp;
|
|
var idx = ((eventStruct)>>2);
|
|
HEAP32[idx + 2] = e.screenX;
|
|
HEAP32[idx + 3] = e.screenY;
|
|
HEAP32[idx + 4] = e.clientX;
|
|
HEAP32[idx + 5] = e.clientY;
|
|
HEAP32[idx + 6] = e.ctrlKey;
|
|
HEAP32[idx + 7] = e.shiftKey;
|
|
HEAP32[idx + 8] = e.altKey;
|
|
HEAP32[idx + 9] = e.metaKey;
|
|
HEAP16[idx*2 + 20] = e.button;
|
|
HEAP16[idx*2 + 21] = e.buttons;
|
|
|
|
HEAP32[idx + 11] = e["movementX"]
|
|
;
|
|
|
|
HEAP32[idx + 12] = e["movementY"]
|
|
;
|
|
|
|
// Note: rect contains doubles (truncated to placate SAFE_HEAP, which is the same behaviour when writing to HEAP32 anyway)
|
|
var rect = getBoundingClientRect(target);
|
|
HEAP32[idx + 13] = e.clientX - (rect.left | 0);
|
|
HEAP32[idx + 14] = e.clientY - (rect.top | 0);
|
|
|
|
};
|
|
|
|
|
|
|
|
var registerWheelEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
|
|
if (!JSEvents.wheelEvent) JSEvents.wheelEvent = _malloc(104);
|
|
|
|
// The DOM Level 3 events spec event 'wheel'
|
|
var wheelHandlerFunc = (e = event) => {
|
|
var wheelEvent = JSEvents.wheelEvent;
|
|
fillMouseEventData(wheelEvent, e, target);
|
|
HEAPF64[(((wheelEvent)+(72))>>3)] = e["deltaX"];
|
|
HEAPF64[(((wheelEvent)+(80))>>3)] = e["deltaY"];
|
|
HEAPF64[(((wheelEvent)+(88))>>3)] = e["deltaZ"];
|
|
HEAP32[(((wheelEvent)+(96))>>2)] = e["deltaMode"];
|
|
if (getWasmTableEntry(callbackfunc)(eventTypeId, wheelEvent, userData)) e.preventDefault();
|
|
};
|
|
|
|
var eventHandler = {
|
|
target,
|
|
allowsDeferredCalls: true,
|
|
eventTypeString,
|
|
callbackfunc,
|
|
handlerFunc: wheelHandlerFunc,
|
|
useCapture
|
|
};
|
|
return JSEvents.registerOrRemoveHandler(eventHandler);
|
|
};
|
|
|
|
var _emscripten_set_wheel_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => {
|
|
target = findEventTarget(target);
|
|
if (!target) return -4;
|
|
if (typeof target.onwheel != 'undefined') {
|
|
return registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "wheel", targetThread);
|
|
} else {
|
|
return -1;
|
|
}
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
|
|
function _fd_close(fd) {
|
|
try {
|
|
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
FS.close(stream);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} offset */
|
|
var doReadv = (stream, iov, iovcnt, offset) => {
|
|
var ret = 0;
|
|
for (var i = 0; i < iovcnt; i++) {
|
|
var ptr = HEAPU32[((iov)>>2)];
|
|
var len = HEAPU32[(((iov)+(4))>>2)];
|
|
iov += 8;
|
|
var curr = FS.read(stream, HEAP8, ptr, len, offset);
|
|
if (curr < 0) return -1;
|
|
ret += curr;
|
|
if (curr < len) break; // nothing more to read
|
|
if (typeof offset != 'undefined') {
|
|
offset += curr;
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
function _fd_read(fd, iov, iovcnt, pnum) {
|
|
try {
|
|
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
var num = doReadv(stream, iov, iovcnt);
|
|
HEAPU32[((pnum)>>2)] = num;
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
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 webgl_enable_ANGLE_instanced_arrays = (ctx) => {
|
|
// Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2.
|
|
var ext = ctx.getExtension('ANGLE_instanced_arrays');
|
|
if (ext) {
|
|
ctx['vertexAttribDivisor'] = (index, divisor) => ext['vertexAttribDivisorANGLE'](index, divisor);
|
|
ctx['drawArraysInstanced'] = (mode, first, count, primcount) => ext['drawArraysInstancedANGLE'](mode, first, count, primcount);
|
|
ctx['drawElementsInstanced'] = (mode, count, type, indices, primcount) => ext['drawElementsInstancedANGLE'](mode, count, type, indices, primcount);
|
|
return 1;
|
|
}
|
|
};
|
|
|
|
var webgl_enable_OES_vertex_array_object = (ctx) => {
|
|
// Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2.
|
|
var ext = ctx.getExtension('OES_vertex_array_object');
|
|
if (ext) {
|
|
ctx['createVertexArray'] = () => ext['createVertexArrayOES']();
|
|
ctx['deleteVertexArray'] = (vao) => ext['deleteVertexArrayOES'](vao);
|
|
ctx['bindVertexArray'] = (vao) => ext['bindVertexArrayOES'](vao);
|
|
ctx['isVertexArray'] = (vao) => ext['isVertexArrayOES'](vao);
|
|
return 1;
|
|
}
|
|
};
|
|
|
|
var webgl_enable_WEBGL_draw_buffers = (ctx) => {
|
|
// Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2.
|
|
var ext = ctx.getExtension('WEBGL_draw_buffers');
|
|
if (ext) {
|
|
ctx['drawBuffers'] = (n, bufs) => ext['drawBuffersWEBGL'](n, bufs);
|
|
return 1;
|
|
}
|
|
};
|
|
|
|
var webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance = (ctx) =>
|
|
// Closure is expected to be allowed to minify the '.dibvbi' property, so not accessing it quoted.
|
|
!!(ctx.dibvbi = ctx.getExtension('WEBGL_draw_instanced_base_vertex_base_instance'));
|
|
|
|
var webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance = (ctx) => {
|
|
// Closure is expected to be allowed to minify the '.mdibvbi' property, so not accessing it quoted.
|
|
return !!(ctx.mdibvbi = ctx.getExtension('WEBGL_multi_draw_instanced_base_vertex_base_instance'));
|
|
};
|
|
|
|
var webgl_enable_WEBGL_multi_draw = (ctx) => {
|
|
// Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted.
|
|
return !!(ctx.multiDrawWebgl = ctx.getExtension('WEBGL_multi_draw'));
|
|
};
|
|
|
|
var getEmscriptenSupportedExtensions = (ctx) => {
|
|
// Restrict the list of advertised extensions to those that we actually
|
|
// support.
|
|
var supportedExtensions = [
|
|
// WebGL 1 extensions
|
|
'ANGLE_instanced_arrays',
|
|
'EXT_blend_minmax',
|
|
'EXT_disjoint_timer_query',
|
|
'EXT_frag_depth',
|
|
'EXT_shader_texture_lod',
|
|
'EXT_sRGB',
|
|
'OES_element_index_uint',
|
|
'OES_fbo_render_mipmap',
|
|
'OES_standard_derivatives',
|
|
'OES_texture_float',
|
|
'OES_texture_half_float',
|
|
'OES_texture_half_float_linear',
|
|
'OES_vertex_array_object',
|
|
'WEBGL_color_buffer_float',
|
|
'WEBGL_depth_texture',
|
|
'WEBGL_draw_buffers',
|
|
// WebGL 2 extensions
|
|
'EXT_color_buffer_float',
|
|
'EXT_conservative_depth',
|
|
'EXT_disjoint_timer_query_webgl2',
|
|
'EXT_texture_norm16',
|
|
'NV_shader_noperspective_interpolation',
|
|
'WEBGL_clip_cull_distance',
|
|
// WebGL 1 and WebGL 2 extensions
|
|
'EXT_color_buffer_half_float',
|
|
'EXT_depth_clamp',
|
|
'EXT_float_blend',
|
|
'EXT_texture_compression_bptc',
|
|
'EXT_texture_compression_rgtc',
|
|
'EXT_texture_filter_anisotropic',
|
|
'KHR_parallel_shader_compile',
|
|
'OES_texture_float_linear',
|
|
'WEBGL_blend_func_extended',
|
|
'WEBGL_compressed_texture_astc',
|
|
'WEBGL_compressed_texture_etc',
|
|
'WEBGL_compressed_texture_etc1',
|
|
'WEBGL_compressed_texture_s3tc',
|
|
'WEBGL_compressed_texture_s3tc_srgb',
|
|
'WEBGL_debug_renderer_info',
|
|
'WEBGL_debug_shaders',
|
|
'WEBGL_lose_context',
|
|
'WEBGL_multi_draw',
|
|
];
|
|
// .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
|
|
return (ctx.getSupportedExtensions() || []).filter(ext => supportedExtensions.includes(ext));
|
|
};
|
|
|
|
|
|
var GL = {
|
|
counter:1,
|
|
buffers:[],
|
|
programs:[],
|
|
framebuffers:[],
|
|
renderbuffers:[],
|
|
textures:[],
|
|
shaders:[],
|
|
vaos:[],
|
|
contexts:[],
|
|
offscreenCanvases:{
|
|
},
|
|
queries:[],
|
|
samplers:[],
|
|
transformFeedbacks:[],
|
|
syncs:[],
|
|
stringCache:{
|
|
},
|
|
stringiCache:{
|
|
},
|
|
unpackAlignment:4,
|
|
recordError:(errorCode) => {
|
|
if (!GL.lastError) {
|
|
GL.lastError = errorCode;
|
|
}
|
|
},
|
|
getNewId:(table) => {
|
|
var ret = GL.counter++;
|
|
for (var i = table.length; i < ret; i++) {
|
|
table[i] = null;
|
|
}
|
|
return ret;
|
|
},
|
|
genObject:(n, buffers, createFunction, objectTable
|
|
) => {
|
|
for (var i = 0; i < n; i++) {
|
|
var buffer = GLctx[createFunction]();
|
|
var id = buffer && GL.getNewId(objectTable);
|
|
if (buffer) {
|
|
buffer.name = id;
|
|
objectTable[id] = buffer;
|
|
} else {
|
|
GL.recordError(0x502 /* GL_INVALID_OPERATION */);
|
|
}
|
|
HEAP32[(((buffers)+(i*4))>>2)] = id;
|
|
}
|
|
},
|
|
getSource:(shader, count, string, length) => {
|
|
var source = '';
|
|
for (var i = 0; i < count; ++i) {
|
|
var len = length ? HEAPU32[(((length)+(i*4))>>2)] : undefined;
|
|
source += UTF8ToString(HEAPU32[(((string)+(i*4))>>2)], len);
|
|
}
|
|
return source;
|
|
},
|
|
createContext:(/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) => {
|
|
|
|
// BUG: Workaround Safari WebGL issue: After successfully acquiring WebGL
|
|
// context on a canvas, calling .getContext() will always return that
|
|
// context independent of which 'webgl' or 'webgl2'
|
|
// context version was passed. See:
|
|
// https://bugs.webkit.org/show_bug.cgi?id=222758
|
|
// and:
|
|
// https://github.com/emscripten-core/emscripten/issues/13295.
|
|
// TODO: Once the bug is fixed and shipped in Safari, adjust the Safari
|
|
// version field in above check.
|
|
if (!canvas.getContextSafariWebGL2Fixed) {
|
|
canvas.getContextSafariWebGL2Fixed = canvas.getContext;
|
|
/** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */
|
|
function fixedGetContext(ver, attrs) {
|
|
var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
|
|
return ((ver == 'webgl') == (gl instanceof WebGLRenderingContext)) ? gl : null;
|
|
}
|
|
canvas.getContext = fixedGetContext;
|
|
}
|
|
|
|
var ctx =
|
|
(webGLContextAttributes.majorVersion > 1)
|
|
?
|
|
canvas.getContext("webgl2", webGLContextAttributes)
|
|
:
|
|
(canvas.getContext("webgl", webGLContextAttributes)
|
|
// https://caniuse.com/#feat=webgl
|
|
);
|
|
|
|
if (!ctx) return 0;
|
|
|
|
var handle = GL.registerContext(ctx, webGLContextAttributes);
|
|
|
|
return handle;
|
|
},
|
|
registerContext:(ctx, webGLContextAttributes) => {
|
|
// without pthreads a context is just an integer ID
|
|
var handle = GL.getNewId(GL.contexts);
|
|
|
|
var context = {
|
|
handle,
|
|
attributes: webGLContextAttributes,
|
|
version: webGLContextAttributes.majorVersion,
|
|
GLctx: ctx
|
|
};
|
|
|
|
// Store the created context object so that we can access the context
|
|
// given a canvas without having to pass the parameters again.
|
|
if (ctx.canvas) ctx.canvas.GLctxObject = context;
|
|
GL.contexts[handle] = context;
|
|
if (typeof webGLContextAttributes.enableExtensionsByDefault == 'undefined' || webGLContextAttributes.enableExtensionsByDefault) {
|
|
GL.initExtensions(context);
|
|
}
|
|
|
|
return handle;
|
|
},
|
|
makeContextCurrent:(contextHandle) => {
|
|
|
|
// Active Emscripten GL layer context object.
|
|
GL.currentContext = GL.contexts[contextHandle];
|
|
// Active WebGL context object.
|
|
Module.ctx = GLctx = GL.currentContext?.GLctx;
|
|
return !(contextHandle && !GLctx);
|
|
},
|
|
getContext:(contextHandle) => {
|
|
return GL.contexts[contextHandle];
|
|
},
|
|
deleteContext:(contextHandle) => {
|
|
if (GL.currentContext === GL.contexts[contextHandle]) {
|
|
GL.currentContext = null;
|
|
}
|
|
if (typeof JSEvents == 'object') {
|
|
// Release all JS event handlers on the DOM element that the GL context is
|
|
// associated with since the context is now deleted.
|
|
JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
|
|
}
|
|
// Make sure the canvas object no longer refers to the context object so
|
|
// there are no GC surprises.
|
|
if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) {
|
|
GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
|
|
}
|
|
GL.contexts[contextHandle] = null;
|
|
},
|
|
initExtensions:(context) => {
|
|
// If this function is called without a specific context object, init the
|
|
// extensions of the currently active context.
|
|
context ||= GL.currentContext;
|
|
|
|
if (context.initExtensionsDone) return;
|
|
context.initExtensionsDone = true;
|
|
|
|
var GLctx = context.GLctx;
|
|
|
|
// Detect the presence of a few extensions manually, ction GL interop
|
|
// layer itself will need to know if they exist.
|
|
|
|
// Extensions that are only available in WebGL 1 (the calls will be no-ops
|
|
// if called on a WebGL 2 context active)
|
|
webgl_enable_ANGLE_instanced_arrays(GLctx);
|
|
webgl_enable_OES_vertex_array_object(GLctx);
|
|
webgl_enable_WEBGL_draw_buffers(GLctx);
|
|
// Extensions that are available from WebGL >= 2 (no-op if called on a WebGL 1 context active)
|
|
webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
|
|
webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
|
|
|
|
// On WebGL 2, EXT_disjoint_timer_query is replaced with an alternative
|
|
// that's based on core APIs, and exposes only the queryCounterEXT()
|
|
// entrypoint.
|
|
if (context.version >= 2) {
|
|
GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2");
|
|
}
|
|
|
|
// However, Firefox exposes the WebGL 1 version on WebGL 2 as well and
|
|
// thus we look for the WebGL 1 version again if the WebGL 2 version
|
|
// isn't present. https://bugzilla.mozilla.org/show_bug.cgi?id=1328882
|
|
if (context.version < 2 || !GLctx.disjointTimerQueryExt)
|
|
{
|
|
GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
|
|
}
|
|
|
|
webgl_enable_WEBGL_multi_draw(GLctx);
|
|
|
|
getEmscriptenSupportedExtensions(GLctx).forEach((ext) => {
|
|
// WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders
|
|
// are not enabled by default.
|
|
if (!ext.includes('lose_context') && !ext.includes('debug')) {
|
|
// Call .getExtension() to enable that extension permanently.
|
|
GLctx.getExtension(ext);
|
|
}
|
|
});
|
|
},
|
|
};
|
|
var _glActiveTexture = (x0) => GLctx.activeTexture(x0);
|
|
|
|
var _glAttachShader = (program, shader) => {
|
|
GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
|
|
};
|
|
|
|
|
|
var _glBindAttribLocation = (program, index, name) => {
|
|
GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
|
|
};
|
|
|
|
var _glBindBuffer = (target, buffer) => {
|
|
|
|
if (target == 0x88EB /*GL_PIXEL_PACK_BUFFER*/) {
|
|
// In WebGL 2 glReadPixels entry point, we need to use a different WebGL 2
|
|
// API function call when a buffer is bound to
|
|
// GL_PIXEL_PACK_BUFFER_BINDING point, so must keep track whether that
|
|
// binding point is non-null to know what is the proper API function to
|
|
// call.
|
|
GLctx.currentPixelPackBufferBinding = buffer;
|
|
} else if (target == 0x88EC /*GL_PIXEL_UNPACK_BUFFER*/) {
|
|
// In WebGL 2 gl(Compressed)Tex(Sub)Image[23]D entry points, we need to
|
|
// use a different WebGL 2 API function call when a buffer is bound to
|
|
// GL_PIXEL_UNPACK_BUFFER_BINDING point, so must keep track whether that
|
|
// binding point is non-null to know what is the proper API function to
|
|
// call.
|
|
GLctx.currentPixelUnpackBufferBinding = buffer;
|
|
}
|
|
GLctx.bindBuffer(target, GL.buffers[buffer]);
|
|
};
|
|
|
|
var _glBindBufferBase = (target, index, buffer) => {
|
|
GLctx.bindBufferBase(target, index, GL.buffers[buffer]);
|
|
};
|
|
|
|
var _glBindFramebuffer = (target, framebuffer) => {
|
|
|
|
GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
|
|
|
|
};
|
|
|
|
var _glBindRenderbuffer = (target, renderbuffer) => {
|
|
GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
|
|
};
|
|
|
|
var _glBindTexture = (target, texture) => {
|
|
GLctx.bindTexture(target, GL.textures[texture]);
|
|
};
|
|
|
|
var _glBindVertexArray = (vao) => {
|
|
GLctx.bindVertexArray(GL.vaos[vao]);
|
|
};
|
|
|
|
|
|
var _glBindVertexArrayOES = _glBindVertexArray;
|
|
|
|
var _glBlendEquation = (x0) => GLctx.blendEquation(x0);
|
|
|
|
var _glBlendEquationSeparate = (x0, x1) => GLctx.blendEquationSeparate(x0, x1);
|
|
|
|
var _glBlendFunc = (x0, x1) => GLctx.blendFunc(x0, x1);
|
|
|
|
var _glBlendFuncSeparate = (x0, x1, x2, x3) => GLctx.blendFuncSeparate(x0, x1, x2, x3);
|
|
|
|
var _glBufferData = (target, size, data, usage) => {
|
|
|
|
if (GL.currentContext.version >= 2) {
|
|
// If size is zero, WebGL would interpret uploading the whole input
|
|
// arraybuffer (starting from given offset), which would not make sense in
|
|
// WebAssembly, so avoid uploading if size is zero. However we must still
|
|
// call bufferData to establish a backing storage of zero bytes.
|
|
if (data && size) {
|
|
GLctx.bufferData(target, HEAPU8, usage, data, size);
|
|
} else {
|
|
GLctx.bufferData(target, size, usage);
|
|
}
|
|
return;
|
|
}
|
|
// N.b. here first form specifies a heap subarray, second form an integer
|
|
// size, so the ?: code here is polymorphic. It is advised to avoid
|
|
// randomly mixing both uses in calling code, to avoid any potential JS
|
|
// engine JIT issues.
|
|
GLctx.bufferData(target, data ? HEAPU8.subarray(data, data+size) : size, usage);
|
|
};
|
|
|
|
var _glBufferSubData = (target, offset, size, data) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
size && GLctx.bufferSubData(target, offset, HEAPU8, data, size);
|
|
return;
|
|
}
|
|
GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data+size));
|
|
};
|
|
|
|
var _glCheckFramebufferStatus = (x0) => GLctx.checkFramebufferStatus(x0);
|
|
|
|
var _glClear = (x0) => GLctx.clear(x0);
|
|
|
|
var _glCompileShader = (shader) => {
|
|
GLctx.compileShader(GL.shaders[shader]);
|
|
};
|
|
|
|
var _glCreateProgram = () => {
|
|
var id = GL.getNewId(GL.programs);
|
|
var program = GLctx.createProgram();
|
|
// Store additional information needed for each shader program:
|
|
program.name = id;
|
|
// Lazy cache results of
|
|
// glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH)
|
|
program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
|
|
program.uniformIdCounter = 1;
|
|
GL.programs[id] = program;
|
|
return id;
|
|
};
|
|
|
|
var _glCreateShader = (shaderType) => {
|
|
var id = GL.getNewId(GL.shaders);
|
|
GL.shaders[id] = GLctx.createShader(shaderType);
|
|
|
|
return id;
|
|
};
|
|
|
|
var _glDeleteBuffers = (n, buffers) => {
|
|
for (var i = 0; i < n; i++) {
|
|
var id = HEAP32[(((buffers)+(i*4))>>2)];
|
|
var buffer = GL.buffers[id];
|
|
|
|
// From spec: "glDeleteBuffers silently ignores 0's and names that do not
|
|
// correspond to existing buffer objects."
|
|
if (!buffer) continue;
|
|
|
|
GLctx.deleteBuffer(buffer);
|
|
buffer.name = 0;
|
|
GL.buffers[id] = null;
|
|
|
|
if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
|
|
if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
|
|
}
|
|
};
|
|
|
|
var _glDeleteProgram = (id) => {
|
|
if (!id) return;
|
|
var program = GL.programs[id];
|
|
if (!program) {
|
|
// glDeleteProgram actually signals an error when deleting a nonexisting
|
|
// object, unlike some other GL delete functions.
|
|
GL.recordError(0x501 /* GL_INVALID_VALUE */);
|
|
return;
|
|
}
|
|
GLctx.deleteProgram(program);
|
|
program.name = 0;
|
|
GL.programs[id] = null;
|
|
};
|
|
|
|
var _glDeleteShader = (id) => {
|
|
if (!id) return;
|
|
var shader = GL.shaders[id];
|
|
if (!shader) {
|
|
// glDeleteShader actually signals an error when deleting a nonexisting
|
|
// object, unlike some other GL delete functions.
|
|
GL.recordError(0x501 /* GL_INVALID_VALUE */);
|
|
return;
|
|
}
|
|
GLctx.deleteShader(shader);
|
|
GL.shaders[id] = null;
|
|
};
|
|
|
|
var _glDeleteTextures = (n, textures) => {
|
|
for (var i = 0; i < n; i++) {
|
|
var id = HEAP32[(((textures)+(i*4))>>2)];
|
|
var texture = GL.textures[id];
|
|
// GL spec: "glDeleteTextures silently ignores 0s and names that do not
|
|
// correspond to existing textures".
|
|
if (!texture) continue;
|
|
GLctx.deleteTexture(texture);
|
|
texture.name = 0;
|
|
GL.textures[id] = null;
|
|
}
|
|
};
|
|
|
|
var _glDeleteVertexArrays = (n, vaos) => {
|
|
for (var i = 0; i < n; i++) {
|
|
var id = HEAP32[(((vaos)+(i*4))>>2)];
|
|
GLctx.deleteVertexArray(GL.vaos[id]);
|
|
GL.vaos[id] = null;
|
|
}
|
|
};
|
|
|
|
|
|
var _glDeleteVertexArraysOES = _glDeleteVertexArrays;
|
|
|
|
var _glDetachShader = (program, shader) => {
|
|
GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
|
|
};
|
|
|
|
var _glDisable = (x0) => GLctx.disable(x0);
|
|
|
|
var _glDrawElements = (mode, count, type, indices) => {
|
|
|
|
GLctx.drawElements(mode, count, type, indices);
|
|
|
|
};
|
|
|
|
var _glEnable = (x0) => GLctx.enable(x0);
|
|
|
|
var _glEnableVertexAttribArray = (index) => {
|
|
GLctx.enableVertexAttribArray(index);
|
|
};
|
|
|
|
var _glFramebufferRenderbuffer = (target, attachment, renderbuffertarget, renderbuffer) => {
|
|
GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget,
|
|
GL.renderbuffers[renderbuffer]);
|
|
};
|
|
|
|
var _glGenBuffers = (n, buffers) => {
|
|
GL.genObject(n, buffers, 'createBuffer', GL.buffers
|
|
);
|
|
};
|
|
|
|
var _glGenFramebuffers = (n, ids) => {
|
|
GL.genObject(n, ids, 'createFramebuffer', GL.framebuffers
|
|
);
|
|
};
|
|
|
|
var _glGenRenderbuffers = (n, renderbuffers) => {
|
|
GL.genObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers
|
|
);
|
|
};
|
|
|
|
var _glGenTextures = (n, textures) => {
|
|
GL.genObject(n, textures, 'createTexture', GL.textures
|
|
);
|
|
};
|
|
|
|
var _glGenVertexArrays = (n, arrays) => {
|
|
GL.genObject(n, arrays, 'createVertexArray', GL.vaos
|
|
);
|
|
};
|
|
|
|
|
|
var _glGenVertexArraysOES = _glGenVertexArrays;
|
|
|
|
var _glGenerateMipmap = (x0) => GLctx.generateMipmap(x0);
|
|
|
|
|
|
var _glGetAttribLocation = (program, name) => {
|
|
return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
|
|
};
|
|
|
|
var readI53FromI64 = (ptr) => {
|
|
return HEAPU32[((ptr)>>2)] + HEAP32[(((ptr)+(4))>>2)] * 4294967296;
|
|
};
|
|
|
|
var readI53FromU64 = (ptr) => {
|
|
return HEAPU32[((ptr)>>2)] + HEAPU32[(((ptr)+(4))>>2)] * 4294967296;
|
|
};
|
|
var writeI53ToI64 = (ptr, num) => {
|
|
HEAPU32[((ptr)>>2)] = num;
|
|
var lower = HEAPU32[((ptr)>>2)];
|
|
HEAPU32[(((ptr)+(4))>>2)] = (num - lower)/4294967296;
|
|
var deserialized = (num >= 0) ? readI53FromU64(ptr) : readI53FromI64(ptr);
|
|
var offset = ((ptr)>>2);
|
|
if (deserialized != num) warnOnce(`writeI53ToI64() out of range: serialized JS Number ${num} to Wasm heap as bytes lo=${ptrToString(HEAPU32[offset])}, hi=${ptrToString(HEAPU32[offset+1])}, which deserializes back to ${deserialized} instead!`);
|
|
};
|
|
|
|
|
|
var webglGetExtensions = function $webglGetExtensions() {
|
|
var exts = getEmscriptenSupportedExtensions(GLctx);
|
|
exts = exts.concat(exts.map((e) => "GL_" + e));
|
|
return exts;
|
|
};
|
|
|
|
var emscriptenWebGLGet = (name_, p, type) => {
|
|
// Guard against user passing a null pointer.
|
|
// Note that GLES2 spec does not say anything about how passing a null
|
|
// pointer should be treated. Testing on desktop core GL 3, the application
|
|
// crashes on glGetIntegerv to a null pointer, but better to report an error
|
|
// instead of doing anything random.
|
|
if (!p) {
|
|
GL.recordError(0x501 /* GL_INVALID_VALUE */);
|
|
return;
|
|
}
|
|
var ret = undefined;
|
|
switch (name_) { // Handle a few trivial GLES values
|
|
case 0x8DFA: // GL_SHADER_COMPILER
|
|
ret = 1;
|
|
break;
|
|
case 0x8DF8: // GL_SHADER_BINARY_FORMATS
|
|
if (type != 0 && type != 1) {
|
|
GL.recordError(0x500); // GL_INVALID_ENUM
|
|
}
|
|
// Do not write anything to the out pointer, since no binary formats are
|
|
// supported.
|
|
return;
|
|
case 0x87FE: // GL_NUM_PROGRAM_BINARY_FORMATS
|
|
case 0x8DF9: // GL_NUM_SHADER_BINARY_FORMATS
|
|
ret = 0;
|
|
break;
|
|
case 0x86A2: // GL_NUM_COMPRESSED_TEXTURE_FORMATS
|
|
// WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete
|
|
// since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be
|
|
// queried for length), so implement it ourselves to allow C++ GLES2
|
|
// code get the length.
|
|
var formats = GLctx.getParameter(0x86A3 /*GL_COMPRESSED_TEXTURE_FORMATS*/);
|
|
ret = formats ? formats.length : 0;
|
|
break;
|
|
|
|
case 0x821D: // GL_NUM_EXTENSIONS
|
|
if (GL.currentContext.version < 2) {
|
|
// Calling GLES3/WebGL2 function with a GLES2/WebGL1 context
|
|
GL.recordError(0x502 /* GL_INVALID_OPERATION */);
|
|
return;
|
|
}
|
|
ret = webglGetExtensions().length;
|
|
break;
|
|
case 0x821B: // GL_MAJOR_VERSION
|
|
case 0x821C: // GL_MINOR_VERSION
|
|
if (GL.currentContext.version < 2) {
|
|
GL.recordError(0x500); // GL_INVALID_ENUM
|
|
return;
|
|
}
|
|
ret = name_ == 0x821B ? 3 : 0; // return version 3.0
|
|
break;
|
|
}
|
|
|
|
if (ret === undefined) {
|
|
var result = GLctx.getParameter(name_);
|
|
switch (typeof result) {
|
|
case "number":
|
|
ret = result;
|
|
break;
|
|
case "boolean":
|
|
ret = result ? 1 : 0;
|
|
break;
|
|
case "string":
|
|
GL.recordError(0x500); // GL_INVALID_ENUM
|
|
return;
|
|
case "object":
|
|
if (result === null) {
|
|
// null is a valid result for some (e.g., which buffer is bound -
|
|
// perhaps nothing is bound), but otherwise can mean an invalid
|
|
// name_, which we need to report as an error
|
|
switch (name_) {
|
|
case 0x8894: // ARRAY_BUFFER_BINDING
|
|
case 0x8B8D: // CURRENT_PROGRAM
|
|
case 0x8895: // ELEMENT_ARRAY_BUFFER_BINDING
|
|
case 0x8CA6: // FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING
|
|
case 0x8CA7: // RENDERBUFFER_BINDING
|
|
case 0x8069: // TEXTURE_BINDING_2D
|
|
case 0x85B5: // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES
|
|
case 0x8F36: // COPY_READ_BUFFER_BINDING or COPY_READ_BUFFER
|
|
case 0x8F37: // COPY_WRITE_BUFFER_BINDING or COPY_WRITE_BUFFER
|
|
case 0x88ED: // PIXEL_PACK_BUFFER_BINDING
|
|
case 0x88EF: // PIXEL_UNPACK_BUFFER_BINDING
|
|
case 0x8CAA: // READ_FRAMEBUFFER_BINDING
|
|
case 0x8919: // SAMPLER_BINDING
|
|
case 0x8C1D: // TEXTURE_BINDING_2D_ARRAY
|
|
case 0x806A: // TEXTURE_BINDING_3D
|
|
case 0x8E25: // TRANSFORM_FEEDBACK_BINDING
|
|
case 0x8C8F: // TRANSFORM_FEEDBACK_BUFFER_BINDING
|
|
case 0x8A28: // UNIFORM_BUFFER_BINDING
|
|
case 0x8514: { // TEXTURE_BINDING_CUBE_MAP
|
|
ret = 0;
|
|
break;
|
|
}
|
|
default: {
|
|
GL.recordError(0x500); // GL_INVALID_ENUM
|
|
return;
|
|
}
|
|
}
|
|
} else if (result instanceof Float32Array ||
|
|
result instanceof Uint32Array ||
|
|
result instanceof Int32Array ||
|
|
result instanceof Array) {
|
|
for (var i = 0; i < result.length; ++i) {
|
|
switch (type) {
|
|
case 0: HEAP32[(((p)+(i*4))>>2)] = result[i]; break;
|
|
case 2: HEAPF32[(((p)+(i*4))>>2)] = result[i]; break;
|
|
case 4: HEAP8[(p)+(i)] = result[i] ? 1 : 0; break;
|
|
}
|
|
}
|
|
return;
|
|
} else {
|
|
try {
|
|
ret = result.name | 0;
|
|
} catch(e) {
|
|
GL.recordError(0x500); // GL_INVALID_ENUM
|
|
err(`GL_INVALID_ENUM in glGet${type}v: Unknown object returned from WebGL getParameter(${name_})! (error: ${e})`);
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
GL.recordError(0x500); // GL_INVALID_ENUM
|
|
err(`GL_INVALID_ENUM in glGet${type}v: Native code calling glGet${type}v(${name_}) and it returns ${result} of type ${typeof(result)}!`);
|
|
return;
|
|
}
|
|
}
|
|
|
|
switch (type) {
|
|
case 1: writeI53ToI64(p, ret); break;
|
|
case 0: HEAP32[((p)>>2)] = ret; break;
|
|
case 2: HEAPF32[((p)>>2)] = ret; break;
|
|
case 4: HEAP8[p] = ret ? 1 : 0; break;
|
|
}
|
|
};
|
|
|
|
var _glGetIntegerv = (name_, p) => emscriptenWebGLGet(name_, p, 0);
|
|
|
|
var _glGetProgramInfoLog = (program, maxLength, length, infoLog) => {
|
|
var log = GLctx.getProgramInfoLog(GL.programs[program]);
|
|
if (log === null) log = '(unknown error)';
|
|
var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
|
|
if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
|
|
};
|
|
|
|
var _glGetProgramiv = (program, pname, p) => {
|
|
if (!p) {
|
|
// GLES2 specification does not specify how to behave if p is a null
|
|
// pointer. Since calling this function does not make sense if p == null,
|
|
// issue a GL error to notify user about it.
|
|
GL.recordError(0x501 /* GL_INVALID_VALUE */);
|
|
return;
|
|
}
|
|
|
|
if (program >= GL.counter) {
|
|
GL.recordError(0x501 /* GL_INVALID_VALUE */);
|
|
return;
|
|
}
|
|
|
|
program = GL.programs[program];
|
|
|
|
if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH
|
|
var log = GLctx.getProgramInfoLog(program);
|
|
if (log === null) log = '(unknown error)';
|
|
HEAP32[((p)>>2)] = log.length + 1;
|
|
} else if (pname == 0x8B87 /* GL_ACTIVE_UNIFORM_MAX_LENGTH */) {
|
|
if (!program.maxUniformLength) {
|
|
for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B86/*GL_ACTIVE_UNIFORMS*/); ++i) {
|
|
program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length+1);
|
|
}
|
|
}
|
|
HEAP32[((p)>>2)] = program.maxUniformLength;
|
|
} else if (pname == 0x8B8A /* GL_ACTIVE_ATTRIBUTE_MAX_LENGTH */) {
|
|
if (!program.maxAttributeLength) {
|
|
for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B89/*GL_ACTIVE_ATTRIBUTES*/); ++i) {
|
|
program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length+1);
|
|
}
|
|
}
|
|
HEAP32[((p)>>2)] = program.maxAttributeLength;
|
|
} else if (pname == 0x8A35 /* GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH */) {
|
|
if (!program.maxUniformBlockNameLength) {
|
|
for (var i = 0; i < GLctx.getProgramParameter(program, 0x8A36/*GL_ACTIVE_UNIFORM_BLOCKS*/); ++i) {
|
|
program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length+1);
|
|
}
|
|
}
|
|
HEAP32[((p)>>2)] = program.maxUniformBlockNameLength;
|
|
} else {
|
|
HEAP32[((p)>>2)] = GLctx.getProgramParameter(program, pname);
|
|
}
|
|
};
|
|
|
|
|
|
var _glGetShaderInfoLog = (shader, maxLength, length, infoLog) => {
|
|
var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
|
|
if (log === null) log = '(unknown error)';
|
|
var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
|
|
if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
|
|
};
|
|
|
|
var _glGetShaderiv = (shader, pname, p) => {
|
|
if (!p) {
|
|
// GLES2 specification does not specify how to behave if p is a null
|
|
// pointer. Since calling this function does not make sense if p == null,
|
|
// issue a GL error to notify user about it.
|
|
GL.recordError(0x501 /* GL_INVALID_VALUE */);
|
|
return;
|
|
}
|
|
if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH
|
|
var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
|
|
if (log === null) log = '(unknown error)';
|
|
// The GLES2 specification says that if the shader has an empty info log,
|
|
// a value of 0 is returned. Otherwise the log has a null char appended.
|
|
// (An empty string is falsey, so we can just check that instead of
|
|
// looking at log.length.)
|
|
var logLength = log ? log.length + 1 : 0;
|
|
HEAP32[((p)>>2)] = logLength;
|
|
} else if (pname == 0x8B88) { // GL_SHADER_SOURCE_LENGTH
|
|
var source = GLctx.getShaderSource(GL.shaders[shader]);
|
|
// source may be a null, or the empty string, both of which are falsey
|
|
// values that we report a 0 length for.
|
|
var sourceLength = source ? source.length + 1 : 0;
|
|
HEAP32[((p)>>2)] = sourceLength;
|
|
} else {
|
|
HEAP32[((p)>>2)] = GLctx.getShaderParameter(GL.shaders[shader], pname);
|
|
}
|
|
};
|
|
|
|
var _glGetUniformBlockIndex = (program, uniformBlockName) => {
|
|
return GLctx.getUniformBlockIndex(GL.programs[program], UTF8ToString(uniformBlockName));
|
|
};
|
|
|
|
/** @suppress {checkTypes} */
|
|
var jstoi_q = (str) => parseInt(str);
|
|
|
|
/** @noinline */
|
|
var webglGetLeftBracePos = (name) => name.slice(-1) == ']' && name.lastIndexOf('[');
|
|
|
|
var webglPrepareUniformLocationsBeforeFirstUse = (program) => {
|
|
var uniformLocsById = program.uniformLocsById, // Maps GLuint -> WebGLUniformLocation
|
|
uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, // Maps name -> [uniform array length, GLuint]
|
|
i, j;
|
|
|
|
// On the first time invocation of glGetUniformLocation on this shader program:
|
|
// initialize cache data structures and discover which uniforms are arrays.
|
|
if (!uniformLocsById) {
|
|
// maps GLint integer locations to WebGLUniformLocations
|
|
program.uniformLocsById = uniformLocsById = {};
|
|
// maps integer locations back to uniform name strings, so that we can lazily fetch uniform array locations
|
|
program.uniformArrayNamesById = {};
|
|
|
|
for (i = 0; i < GLctx.getProgramParameter(program, 0x8B86/*GL_ACTIVE_UNIFORMS*/); ++i) {
|
|
var u = GLctx.getActiveUniform(program, i);
|
|
var nm = u.name;
|
|
var sz = u.size;
|
|
var lb = webglGetLeftBracePos(nm);
|
|
var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
|
|
|
|
// Assign a new location.
|
|
var id = program.uniformIdCounter;
|
|
program.uniformIdCounter += sz;
|
|
// Eagerly get the location of the uniformArray[0] base element.
|
|
// The remaining indices >0 will be left for lazy evaluation to
|
|
// improve performance. Those may never be needed to fetch, if the
|
|
// application fills arrays always in full starting from the first
|
|
// element of the array.
|
|
uniformSizeAndIdsByName[arrayName] = [sz, id];
|
|
|
|
// Store placeholder integers in place that highlight that these
|
|
// >0 index locations are array indices pending population.
|
|
for (j = 0; j < sz; ++j) {
|
|
uniformLocsById[id] = j;
|
|
program.uniformArrayNamesById[id++] = arrayName;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
|
|
var _glGetUniformLocation = (program, name) => {
|
|
|
|
name = UTF8ToString(name);
|
|
|
|
if (program = GL.programs[program]) {
|
|
webglPrepareUniformLocationsBeforeFirstUse(program);
|
|
var uniformLocsById = program.uniformLocsById; // Maps GLuint -> WebGLUniformLocation
|
|
var arrayIndex = 0;
|
|
var uniformBaseName = name;
|
|
|
|
// Invariant: when populating integer IDs for uniform locations, we must
|
|
// maintain the precondition that arrays reside in contiguous addresses,
|
|
// i.e. for a 'vec4 colors[10];', colors[4] must be at location
|
|
// colors[0]+4. However, user might call glGetUniformLocation(program,
|
|
// "colors") for an array, so we cannot discover based on the user input
|
|
// arguments whether the uniform we are dealing with is an array. The only
|
|
// way to discover which uniforms are arrays is to enumerate over all the
|
|
// active uniforms in the program.
|
|
var leftBrace = webglGetLeftBracePos(name);
|
|
|
|
// If user passed an array accessor "[index]", parse the array index off the accessor.
|
|
if (leftBrace > 0) {
|
|
arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0; // "index]", coerce parseInt(']') with >>>0 to treat "foo[]" as "foo[0]" and foo[-1] as unsigned out-of-bounds.
|
|
uniformBaseName = name.slice(0, leftBrace);
|
|
}
|
|
|
|
// Have we cached the location of this uniform before?
|
|
// A pair [array length, GLint of the uniform location]
|
|
var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
|
|
|
|
// If an uniform with this name exists, and if its index is within the
|
|
// array limits (if it's even an array), query the WebGLlocation, or
|
|
// return an existing cached location.
|
|
if (sizeAndId && arrayIndex < sizeAndId[0]) {
|
|
arrayIndex += sizeAndId[1]; // Add the base location of the uniform to the array index offset.
|
|
if ((uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name))) {
|
|
return arrayIndex;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// N.b. we are currently unable to distinguish between GL program IDs that
|
|
// never existed vs GL program IDs that have been deleted, so report
|
|
// GL_INVALID_VALUE in both cases.
|
|
GL.recordError(0x501 /* GL_INVALID_VALUE */);
|
|
}
|
|
return -1;
|
|
};
|
|
|
|
var _glIsEnabled = (x0) => GLctx.isEnabled(x0);
|
|
|
|
var _glIsProgram = (program) => {
|
|
program = GL.programs[program];
|
|
if (!program) return 0;
|
|
return GLctx.isProgram(program);
|
|
};
|
|
|
|
var _glLinkProgram = (program) => {
|
|
program = GL.programs[program];
|
|
GLctx.linkProgram(program);
|
|
// Invalidate earlier computed uniform->ID mappings, those have now become stale
|
|
program.uniformLocsById = 0; // Mark as null-like so that glGetUniformLocation() knows to populate this again.
|
|
program.uniformSizeAndIdsByName = {};
|
|
|
|
};
|
|
|
|
var _glRenderbufferStorageMultisample = (x0, x1, x2, x3, x4) => GLctx.renderbufferStorageMultisample(x0, x1, x2, x3, x4);
|
|
|
|
var _glScissor = (x0, x1, x2, x3) => GLctx.scissor(x0, x1, x2, x3);
|
|
|
|
var _glShaderSource = (shader, count, string, length) => {
|
|
var source = GL.getSource(shader, count, string, length);
|
|
|
|
GLctx.shaderSource(GL.shaders[shader], source);
|
|
};
|
|
|
|
var computeUnpackAlignedImageSize = (width, height, sizePerPixel, alignment) => {
|
|
function roundedToNextMultipleOf(x, y) {
|
|
return (x + y - 1) & -y;
|
|
}
|
|
var plainRowSize = width * sizePerPixel;
|
|
var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
|
|
return height * alignedRowSize;
|
|
};
|
|
|
|
var colorChannelsInGlTextureFormat = (format) => {
|
|
// Micro-optimizations for size: map format to size by subtracting smallest
|
|
// enum value (0x1902) from all values first. Also omit the most common
|
|
// size value (1) from the list, which is assumed by formats not on the
|
|
// list.
|
|
var colorChannels = {
|
|
// 0x1902 /* GL_DEPTH_COMPONENT */ - 0x1902: 1,
|
|
// 0x1906 /* GL_ALPHA */ - 0x1902: 1,
|
|
5: 3,
|
|
6: 4,
|
|
// 0x1909 /* GL_LUMINANCE */ - 0x1902: 1,
|
|
8: 2,
|
|
29502: 3,
|
|
29504: 4,
|
|
// 0x1903 /* GL_RED */ - 0x1902: 1,
|
|
26917: 2,
|
|
26918: 2,
|
|
// 0x8D94 /* GL_RED_INTEGER */ - 0x1902: 1,
|
|
29846: 3,
|
|
29847: 4
|
|
};
|
|
return colorChannels[format - 0x1902]||1;
|
|
};
|
|
|
|
var heapObjectForWebGLType = (type) => {
|
|
// Micro-optimization for size: Subtract lowest GL enum number (0x1400/* GL_BYTE */) from type to compare
|
|
// smaller values for the heap, for shorter generated code size.
|
|
// Also the type HEAPU16 is not tested for explicitly, but any unrecognized type will return out HEAPU16.
|
|
// (since most types are HEAPU16)
|
|
type -= 0x1400;
|
|
if (type == 0) return HEAP8;
|
|
|
|
if (type == 1) return HEAPU8;
|
|
|
|
if (type == 2) return HEAP16;
|
|
|
|
if (type == 4) return HEAP32;
|
|
|
|
if (type == 6) return HEAPF32;
|
|
|
|
if (type == 5
|
|
|| type == 28922
|
|
|| type == 28520
|
|
|| type == 30779
|
|
|| type == 30782
|
|
)
|
|
return HEAPU32;
|
|
|
|
return HEAPU16;
|
|
};
|
|
|
|
var toTypedArrayIndex = (pointer, heap) =>
|
|
pointer >>> (31 - Math.clz32(heap.BYTES_PER_ELEMENT));
|
|
|
|
var emscriptenWebGLGetTexPixelData = (type, format, width, height, pixels, internalFormat) => {
|
|
var heap = heapObjectForWebGLType(type);
|
|
var sizePerPixel = colorChannelsInGlTextureFormat(format) * heap.BYTES_PER_ELEMENT;
|
|
var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
|
|
return heap.subarray(toTypedArrayIndex(pixels, heap), toTypedArrayIndex(pixels + bytes, heap));
|
|
};
|
|
|
|
|
|
|
|
var _glTexImage2D = (target, level, internalFormat, width, height, border, format, type, pixels) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
if (GLctx.currentPixelUnpackBufferBinding) {
|
|
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
|
|
return;
|
|
}
|
|
if (pixels) {
|
|
var heap = heapObjectForWebGLType(type);
|
|
var index = toTypedArrayIndex(pixels, heap);
|
|
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, index);
|
|
return;
|
|
}
|
|
}
|
|
var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null;
|
|
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixelData);
|
|
};
|
|
|
|
var _glTexParameteri = (x0, x1, x2) => GLctx.texParameteri(x0, x1, x2);
|
|
|
|
var _glTexStorage2D = (x0, x1, x2, x3, x4) => GLctx.texStorage2D(x0, x1, x2, x3, x4);
|
|
|
|
|
|
|
|
|
|
var _glTexSubImage2D = (target, level, xoffset, yoffset, width, height, format, type, pixels) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
if (GLctx.currentPixelUnpackBufferBinding) {
|
|
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
|
|
return;
|
|
}
|
|
if (pixels) {
|
|
var heap = heapObjectForWebGLType(type);
|
|
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, toTypedArrayIndex(pixels, heap));
|
|
return;
|
|
}
|
|
}
|
|
var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0) : null;
|
|
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
|
|
};
|
|
|
|
var webglGetUniformLocation = (location) => {
|
|
var p = GLctx.currentProgram;
|
|
|
|
if (p) {
|
|
var webglLoc = p.uniformLocsById[location];
|
|
// p.uniformLocsById[location] stores either an integer, or a
|
|
// WebGLUniformLocation.
|
|
// If an integer, we have not yet bound the location, so do it now. The
|
|
// integer value specifies the array index we should bind to.
|
|
if (typeof webglLoc == 'number') {
|
|
p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? `[${webglLoc}]` : ''));
|
|
}
|
|
// Else an already cached WebGLUniformLocation, return it.
|
|
return webglLoc;
|
|
} else {
|
|
GL.recordError(0x502/*GL_INVALID_OPERATION*/);
|
|
}
|
|
};
|
|
|
|
var _glUniform1f = (location, v0) => {
|
|
GLctx.uniform1f(webglGetUniformLocation(location), v0);
|
|
};
|
|
|
|
|
|
var _glUniform1i = (location, v0) => {
|
|
GLctx.uniform1i(webglGetUniformLocation(location), v0);
|
|
};
|
|
|
|
|
|
var _glUniform4f = (location, v0, v1, v2, v3) => {
|
|
GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
|
|
};
|
|
|
|
var _glUniformBlockBinding = (program, uniformBlockIndex, uniformBlockBinding) => {
|
|
program = GL.programs[program];
|
|
|
|
GLctx.uniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding);
|
|
};
|
|
|
|
|
|
var miniTempWebGLFloatBuffers = [];
|
|
|
|
var _glUniformMatrix4fv = (location, count, transpose, value) => {
|
|
|
|
if (GL.currentContext.version >= 2) {
|
|
count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value)>>2), count*16);
|
|
return;
|
|
}
|
|
|
|
if (count <= 18) {
|
|
// avoid allocation when uploading few enough uniforms
|
|
var view = miniTempWebGLFloatBuffers[16*count];
|
|
// hoist the heap out of the loop for size and for pthreads+growth.
|
|
var heap = HEAPF32;
|
|
value = ((value)>>2);
|
|
for (var i = 0; i < 16 * count; i += 16) {
|
|
var dst = value + i;
|
|
view[i] = heap[dst];
|
|
view[i + 1] = heap[dst + 1];
|
|
view[i + 2] = heap[dst + 2];
|
|
view[i + 3] = heap[dst + 3];
|
|
view[i + 4] = heap[dst + 4];
|
|
view[i + 5] = heap[dst + 5];
|
|
view[i + 6] = heap[dst + 6];
|
|
view[i + 7] = heap[dst + 7];
|
|
view[i + 8] = heap[dst + 8];
|
|
view[i + 9] = heap[dst + 9];
|
|
view[i + 10] = heap[dst + 10];
|
|
view[i + 11] = heap[dst + 11];
|
|
view[i + 12] = heap[dst + 12];
|
|
view[i + 13] = heap[dst + 13];
|
|
view[i + 14] = heap[dst + 14];
|
|
view[i + 15] = heap[dst + 15];
|
|
}
|
|
} else
|
|
{
|
|
var view = HEAPF32.subarray((((value)>>2)), ((value+count*64)>>2));
|
|
}
|
|
GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
|
|
};
|
|
|
|
var _glUseProgram = (program) => {
|
|
program = GL.programs[program];
|
|
GLctx.useProgram(program);
|
|
// Record the currently active program so that we can access the uniform
|
|
// mapping table of that program.
|
|
GLctx.currentProgram = program;
|
|
};
|
|
|
|
var _glValidateProgram = (program) => {
|
|
GLctx.validateProgram(GL.programs[program]);
|
|
};
|
|
|
|
var _glVertexAttribPointer = (index, size, type, normalized, stride, ptr) => {
|
|
GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
|
|
};
|
|
|
|
var _glViewport = (x0, x1, x2, x3) => GLctx.viewport(x0, x1, x2, x3);
|
|
|
|
|
|
|
|
|
|
/** @constructor */
|
|
function GLFW_Window(id, width, height, framebufferWidth, framebufferHeight, title, monitor, share) {
|
|
this.id = id;
|
|
this.x = 0;
|
|
this.y = 0;
|
|
this.fullscreen = false; // Used to determine if app in fullscreen mode
|
|
this.storedX = 0; // Used to store X before fullscreen
|
|
this.storedY = 0; // Used to store Y before fullscreen
|
|
this.width = width;
|
|
this.height = height;
|
|
this.framebufferWidth = framebufferWidth;
|
|
this.framebufferHeight = framebufferHeight;
|
|
this.storedWidth = width; // Used to store width before fullscreen
|
|
this.storedHeight = height; // Used to store height before fullscreen
|
|
this.title = title;
|
|
this.monitor = monitor;
|
|
this.share = share;
|
|
this.attributes = Object.assign({}, GLFW.hints);
|
|
this.inputModes = {
|
|
0x00033001:0x00034001, // GLFW_CURSOR (GLFW_CURSOR_NORMAL)
|
|
0x00033002:0, // GLFW_STICKY_KEYS
|
|
0x00033003:0, // GLFW_STICKY_MOUSE_BUTTONS
|
|
};
|
|
this.buttons = 0;
|
|
this.keys = new Array();
|
|
this.domKeys = new Array();
|
|
this.shouldClose = 0;
|
|
this.title = null;
|
|
this.windowPosFunc = 0; // GLFWwindowposfun
|
|
this.windowSizeFunc = 0; // GLFWwindowsizefun
|
|
this.windowCloseFunc = 0; // GLFWwindowclosefun
|
|
this.windowRefreshFunc = 0; // GLFWwindowrefreshfun
|
|
this.windowFocusFunc = 0; // GLFWwindowfocusfun
|
|
this.windowIconifyFunc = 0; // GLFWwindowiconifyfun
|
|
this.windowMaximizeFunc = 0; // GLFWwindowmaximizefun
|
|
this.framebufferSizeFunc = 0; // GLFWframebuffersizefun
|
|
this.windowContentScaleFunc = 0; // GLFWwindowcontentscalefun
|
|
this.mouseButtonFunc = 0; // GLFWmousebuttonfun
|
|
this.cursorPosFunc = 0; // GLFWcursorposfun
|
|
this.cursorEnterFunc = 0; // GLFWcursorenterfun
|
|
this.scrollFunc = 0; // GLFWscrollfun
|
|
this.dropFunc = 0; // GLFWdropfun
|
|
this.keyFunc = 0; // GLFWkeyfun
|
|
this.charFunc = 0; // GLFWcharfun
|
|
this.userptr = 0;
|
|
}
|
|
|
|
|
|
|
|
var stringToNewUTF8 = (str) => {
|
|
var size = lengthBytesUTF8(str) + 1;
|
|
var ret = _malloc(size);
|
|
if (ret) stringToUTF8(str, ret, size);
|
|
return ret;
|
|
};
|
|
|
|
|
|
var _emscripten_set_window_title = (title) => document.title = UTF8ToString(title);
|
|
|
|
|
|
|
|
var GLFW = {
|
|
WindowFromId:(id) => {
|
|
if (id <= 0 || !GLFW.windows) return null;
|
|
return GLFW.windows[id - 1];
|
|
},
|
|
joystickFunc:0,
|
|
errorFunc:0,
|
|
monitorFunc:0,
|
|
active:null,
|
|
scale:null,
|
|
windows:null,
|
|
monitors:null,
|
|
monitorString:null,
|
|
versionString:null,
|
|
initialTime:null,
|
|
extensions:null,
|
|
devicePixelRatioMQL:null,
|
|
hints:null,
|
|
primaryTouchId:null,
|
|
defaultHints:{
|
|
131073:0,
|
|
131074:0,
|
|
131075:1,
|
|
131076:1,
|
|
131077:1,
|
|
131082:0,
|
|
135169:8,
|
|
135170:8,
|
|
135171:8,
|
|
135172:8,
|
|
135173:24,
|
|
135174:8,
|
|
135175:0,
|
|
135176:0,
|
|
135177:0,
|
|
135178:0,
|
|
135179:0,
|
|
135180:0,
|
|
135181:0,
|
|
135182:0,
|
|
135183:0,
|
|
139265:196609,
|
|
139266:1,
|
|
139267:0,
|
|
139268:0,
|
|
139269:0,
|
|
139270:0,
|
|
139271:0,
|
|
139272:0,
|
|
139276:0,
|
|
},
|
|
DOMToGLFWKeyCode:(keycode) => {
|
|
switch (keycode) {
|
|
// these keycodes are only defined for GLFW3, assume they are the same for GLFW2
|
|
case 0x20:return 32; // DOM_VK_SPACE -> GLFW_KEY_SPACE
|
|
case 0xDE:return 39; // DOM_VK_QUOTE -> GLFW_KEY_APOSTROPHE
|
|
case 0xBC:return 44; // DOM_VK_COMMA -> GLFW_KEY_COMMA
|
|
case 0xAD:return 45; // DOM_VK_HYPHEN_MINUS -> GLFW_KEY_MINUS
|
|
case 0xBD:return 45; // DOM_VK_MINUS -> GLFW_KEY_MINUS
|
|
case 0xBE:return 46; // DOM_VK_PERIOD -> GLFW_KEY_PERIOD
|
|
case 0xBF:return 47; // DOM_VK_SLASH -> GLFW_KEY_SLASH
|
|
case 0x30:return 48; // DOM_VK_0 -> GLFW_KEY_0
|
|
case 0x31:return 49; // DOM_VK_1 -> GLFW_KEY_1
|
|
case 0x32:return 50; // DOM_VK_2 -> GLFW_KEY_2
|
|
case 0x33:return 51; // DOM_VK_3 -> GLFW_KEY_3
|
|
case 0x34:return 52; // DOM_VK_4 -> GLFW_KEY_4
|
|
case 0x35:return 53; // DOM_VK_5 -> GLFW_KEY_5
|
|
case 0x36:return 54; // DOM_VK_6 -> GLFW_KEY_6
|
|
case 0x37:return 55; // DOM_VK_7 -> GLFW_KEY_7
|
|
case 0x38:return 56; // DOM_VK_8 -> GLFW_KEY_8
|
|
case 0x39:return 57; // DOM_VK_9 -> GLFW_KEY_9
|
|
case 0x3B:return 59; // DOM_VK_SEMICOLON -> GLFW_KEY_SEMICOLON
|
|
case 0x3D:return 61; // DOM_VK_EQUALS -> GLFW_KEY_EQUAL
|
|
case 0xBB:return 61; // DOM_VK_EQUALS -> GLFW_KEY_EQUAL
|
|
case 0x41:return 65; // DOM_VK_A -> GLFW_KEY_A
|
|
case 0x42:return 66; // DOM_VK_B -> GLFW_KEY_B
|
|
case 0x43:return 67; // DOM_VK_C -> GLFW_KEY_C
|
|
case 0x44:return 68; // DOM_VK_D -> GLFW_KEY_D
|
|
case 0x45:return 69; // DOM_VK_E -> GLFW_KEY_E
|
|
case 0x46:return 70; // DOM_VK_F -> GLFW_KEY_F
|
|
case 0x47:return 71; // DOM_VK_G -> GLFW_KEY_G
|
|
case 0x48:return 72; // DOM_VK_H -> GLFW_KEY_H
|
|
case 0x49:return 73; // DOM_VK_I -> GLFW_KEY_I
|
|
case 0x4A:return 74; // DOM_VK_J -> GLFW_KEY_J
|
|
case 0x4B:return 75; // DOM_VK_K -> GLFW_KEY_K
|
|
case 0x4C:return 76; // DOM_VK_L -> GLFW_KEY_L
|
|
case 0x4D:return 77; // DOM_VK_M -> GLFW_KEY_M
|
|
case 0x4E:return 78; // DOM_VK_N -> GLFW_KEY_N
|
|
case 0x4F:return 79; // DOM_VK_O -> GLFW_KEY_O
|
|
case 0x50:return 80; // DOM_VK_P -> GLFW_KEY_P
|
|
case 0x51:return 81; // DOM_VK_Q -> GLFW_KEY_Q
|
|
case 0x52:return 82; // DOM_VK_R -> GLFW_KEY_R
|
|
case 0x53:return 83; // DOM_VK_S -> GLFW_KEY_S
|
|
case 0x54:return 84; // DOM_VK_T -> GLFW_KEY_T
|
|
case 0x55:return 85; // DOM_VK_U -> GLFW_KEY_U
|
|
case 0x56:return 86; // DOM_VK_V -> GLFW_KEY_V
|
|
case 0x57:return 87; // DOM_VK_W -> GLFW_KEY_W
|
|
case 0x58:return 88; // DOM_VK_X -> GLFW_KEY_X
|
|
case 0x59:return 89; // DOM_VK_Y -> GLFW_KEY_Y
|
|
case 0x5a:return 90; // DOM_VK_Z -> GLFW_KEY_Z
|
|
case 0xDB:return 91; // DOM_VK_OPEN_BRACKET -> GLFW_KEY_LEFT_BRACKET
|
|
case 0xDC:return 92; // DOM_VK_BACKSLASH -> GLFW_KEY_BACKSLASH
|
|
case 0xDD:return 93; // DOM_VK_CLOSE_BRACKET -> GLFW_KEY_RIGHT_BRACKET
|
|
case 0xC0:return 96; // DOM_VK_BACK_QUOTE -> GLFW_KEY_GRAVE_ACCENT
|
|
|
|
case 0x1B:return 256; // DOM_VK_ESCAPE -> GLFW_KEY_ESCAPE
|
|
case 0x0D:return 257; // DOM_VK_RETURN -> GLFW_KEY_ENTER
|
|
case 0x09:return 258; // DOM_VK_TAB -> GLFW_KEY_TAB
|
|
case 0x08:return 259; // DOM_VK_BACK -> GLFW_KEY_BACKSPACE
|
|
case 0x2D:return 260; // DOM_VK_INSERT -> GLFW_KEY_INSERT
|
|
case 0x2E:return 261; // DOM_VK_DELETE -> GLFW_KEY_DELETE
|
|
case 0x27:return 262; // DOM_VK_RIGHT -> GLFW_KEY_RIGHT
|
|
case 0x25:return 263; // DOM_VK_LEFT -> GLFW_KEY_LEFT
|
|
case 0x28:return 264; // DOM_VK_DOWN -> GLFW_KEY_DOWN
|
|
case 0x26:return 265; // DOM_VK_UP -> GLFW_KEY_UP
|
|
case 0x21:return 266; // DOM_VK_PAGE_UP -> GLFW_KEY_PAGE_UP
|
|
case 0x22:return 267; // DOM_VK_PAGE_DOWN -> GLFW_KEY_PAGE_DOWN
|
|
case 0x24:return 268; // DOM_VK_HOME -> GLFW_KEY_HOME
|
|
case 0x23:return 269; // DOM_VK_END -> GLFW_KEY_END
|
|
case 0x14:return 280; // DOM_VK_CAPS_LOCK -> GLFW_KEY_CAPS_LOCK
|
|
case 0x91:return 281; // DOM_VK_SCROLL_LOCK -> GLFW_KEY_SCROLL_LOCK
|
|
case 0x90:return 282; // DOM_VK_NUM_LOCK -> GLFW_KEY_NUM_LOCK
|
|
case 0x2C:return 283; // DOM_VK_SNAPSHOT -> GLFW_KEY_PRINT_SCREEN
|
|
case 0x13:return 284; // DOM_VK_PAUSE -> GLFW_KEY_PAUSE
|
|
case 0x70:return 290; // DOM_VK_F1 -> GLFW_KEY_F1
|
|
case 0x71:return 291; // DOM_VK_F2 -> GLFW_KEY_F2
|
|
case 0x72:return 292; // DOM_VK_F3 -> GLFW_KEY_F3
|
|
case 0x73:return 293; // DOM_VK_F4 -> GLFW_KEY_F4
|
|
case 0x74:return 294; // DOM_VK_F5 -> GLFW_KEY_F5
|
|
case 0x75:return 295; // DOM_VK_F6 -> GLFW_KEY_F6
|
|
case 0x76:return 296; // DOM_VK_F7 -> GLFW_KEY_F7
|
|
case 0x77:return 297; // DOM_VK_F8 -> GLFW_KEY_F8
|
|
case 0x78:return 298; // DOM_VK_F9 -> GLFW_KEY_F9
|
|
case 0x79:return 299; // DOM_VK_F10 -> GLFW_KEY_F10
|
|
case 0x7A:return 300; // DOM_VK_F11 -> GLFW_KEY_F11
|
|
case 0x7B:return 301; // DOM_VK_F12 -> GLFW_KEY_F12
|
|
case 0x7C:return 302; // DOM_VK_F13 -> GLFW_KEY_F13
|
|
case 0x7D:return 303; // DOM_VK_F14 -> GLFW_KEY_F14
|
|
case 0x7E:return 304; // DOM_VK_F15 -> GLFW_KEY_F15
|
|
case 0x7F:return 305; // DOM_VK_F16 -> GLFW_KEY_F16
|
|
case 0x80:return 306; // DOM_VK_F17 -> GLFW_KEY_F17
|
|
case 0x81:return 307; // DOM_VK_F18 -> GLFW_KEY_F18
|
|
case 0x82:return 308; // DOM_VK_F19 -> GLFW_KEY_F19
|
|
case 0x83:return 309; // DOM_VK_F20 -> GLFW_KEY_F20
|
|
case 0x84:return 310; // DOM_VK_F21 -> GLFW_KEY_F21
|
|
case 0x85:return 311; // DOM_VK_F22 -> GLFW_KEY_F22
|
|
case 0x86:return 312; // DOM_VK_F23 -> GLFW_KEY_F23
|
|
case 0x87:return 313; // DOM_VK_F24 -> GLFW_KEY_F24
|
|
case 0x88:return 314; // 0x88 (not used?) -> GLFW_KEY_F25
|
|
case 0x60:return 320; // DOM_VK_NUMPAD0 -> GLFW_KEY_KP_0
|
|
case 0x61:return 321; // DOM_VK_NUMPAD1 -> GLFW_KEY_KP_1
|
|
case 0x62:return 322; // DOM_VK_NUMPAD2 -> GLFW_KEY_KP_2
|
|
case 0x63:return 323; // DOM_VK_NUMPAD3 -> GLFW_KEY_KP_3
|
|
case 0x64:return 324; // DOM_VK_NUMPAD4 -> GLFW_KEY_KP_4
|
|
case 0x65:return 325; // DOM_VK_NUMPAD5 -> GLFW_KEY_KP_5
|
|
case 0x66:return 326; // DOM_VK_NUMPAD6 -> GLFW_KEY_KP_6
|
|
case 0x67:return 327; // DOM_VK_NUMPAD7 -> GLFW_KEY_KP_7
|
|
case 0x68:return 328; // DOM_VK_NUMPAD8 -> GLFW_KEY_KP_8
|
|
case 0x69:return 329; // DOM_VK_NUMPAD9 -> GLFW_KEY_KP_9
|
|
case 0x6E:return 330; // DOM_VK_DECIMAL -> GLFW_KEY_KP_DECIMAL
|
|
case 0x6F:return 331; // DOM_VK_DIVIDE -> GLFW_KEY_KP_DIVIDE
|
|
case 0x6A:return 332; // DOM_VK_MULTIPLY -> GLFW_KEY_KP_MULTIPLY
|
|
case 0x6D:return 333; // DOM_VK_SUBTRACT -> GLFW_KEY_KP_SUBTRACT
|
|
case 0x6B:return 334; // DOM_VK_ADD -> GLFW_KEY_KP_ADD
|
|
// case 0x0D:return 335; // DOM_VK_RETURN -> GLFW_KEY_KP_ENTER (DOM_KEY_LOCATION_RIGHT)
|
|
// case 0x61:return 336; // DOM_VK_EQUALS -> GLFW_KEY_KP_EQUAL (DOM_KEY_LOCATION_RIGHT)
|
|
case 0x10:return 340; // DOM_VK_SHIFT -> GLFW_KEY_LEFT_SHIFT
|
|
case 0x11:return 341; // DOM_VK_CONTROL -> GLFW_KEY_LEFT_CONTROL
|
|
case 0x12:return 342; // DOM_VK_ALT -> GLFW_KEY_LEFT_ALT
|
|
case 0x5B:return 343; // DOM_VK_WIN -> GLFW_KEY_LEFT_SUPER
|
|
case 0xE0:return 343; // DOM_VK_META -> GLFW_KEY_LEFT_SUPER
|
|
// case 0x10:return 344; // DOM_VK_SHIFT -> GLFW_KEY_RIGHT_SHIFT (DOM_KEY_LOCATION_RIGHT)
|
|
// case 0x11:return 345; // DOM_VK_CONTROL -> GLFW_KEY_RIGHT_CONTROL (DOM_KEY_LOCATION_RIGHT)
|
|
// case 0x12:return 346; // DOM_VK_ALT -> GLFW_KEY_RIGHT_ALT (DOM_KEY_LOCATION_RIGHT)
|
|
// case 0x5B:return 347; // DOM_VK_WIN -> GLFW_KEY_RIGHT_SUPER (DOM_KEY_LOCATION_RIGHT)
|
|
case 0x5D:return 348; // DOM_VK_CONTEXT_MENU -> GLFW_KEY_MENU
|
|
// XXX: GLFW_KEY_WORLD_1, GLFW_KEY_WORLD_2 what are these?
|
|
default:return -1; // GLFW_KEY_UNKNOWN
|
|
};
|
|
},
|
|
getModBits:(win) => {
|
|
var mod = 0;
|
|
if (win.keys[340]) mod |= 0x0001; // GLFW_MOD_SHIFT
|
|
if (win.keys[341]) mod |= 0x0002; // GLFW_MOD_CONTROL
|
|
if (win.keys[342]) mod |= 0x0004; // GLFW_MOD_ALT
|
|
if (win.keys[343] || win.keys[348]) mod |= 0x0008; // GLFW_MOD_SUPER
|
|
// add caps and num lock keys? only if lock_key_mod is set
|
|
return mod;
|
|
},
|
|
onKeyPress:(event) => {
|
|
if (!GLFW.active || !GLFW.active.charFunc) return;
|
|
if (event.ctrlKey || event.metaKey) return;
|
|
|
|
// correct unicode charCode is only available with onKeyPress event
|
|
var charCode = event.charCode;
|
|
if (charCode == 0 || (charCode >= 0x00 && charCode <= 0x1F)) return;
|
|
|
|
getWasmTableEntry(GLFW.active.charFunc)(GLFW.active.id, charCode);
|
|
},
|
|
onKeyChanged:(keyCode, status) => {
|
|
if (!GLFW.active) return;
|
|
|
|
var key = GLFW.DOMToGLFWKeyCode(keyCode);
|
|
if (key == -1) return;
|
|
|
|
var repeat = status && GLFW.active.keys[key];
|
|
GLFW.active.keys[key] = status;
|
|
GLFW.active.domKeys[keyCode] = status;
|
|
|
|
if (GLFW.active.keyFunc) {
|
|
if (repeat) status = 2; // GLFW_REPEAT
|
|
getWasmTableEntry(GLFW.active.keyFunc)(GLFW.active.id, key, keyCode, status, GLFW.getModBits(GLFW.active));
|
|
}
|
|
},
|
|
onGamepadConnected:(event) => {
|
|
GLFW.refreshJoysticks();
|
|
},
|
|
onGamepadDisconnected:(event) => {
|
|
GLFW.refreshJoysticks();
|
|
},
|
|
onKeydown:(event) => {
|
|
GLFW.onKeyChanged(event.keyCode, 1); // GLFW_PRESS or GLFW_REPEAT
|
|
|
|
// This logic comes directly from the sdl implementation. We cannot
|
|
// call preventDefault on all keydown events otherwise onKeyPress will
|
|
// not get called
|
|
if (event.keyCode === 8 /* backspace */ || event.keyCode === 9 /* tab */) {
|
|
event.preventDefault();
|
|
}
|
|
},
|
|
onKeyup:(event) => {
|
|
GLFW.onKeyChanged(event.keyCode, 0); // GLFW_RELEASE
|
|
},
|
|
onBlur:(event) => {
|
|
if (!GLFW.active) return;
|
|
|
|
for (var i = 0; i < GLFW.active.domKeys.length; ++i) {
|
|
if (GLFW.active.domKeys[i]) {
|
|
GLFW.onKeyChanged(i, 0); // GLFW_RELEASE
|
|
}
|
|
}
|
|
},
|
|
onMousemove:(event) => {
|
|
if (!GLFW.active) return;
|
|
|
|
if (event.type === 'touchmove') {
|
|
// Handling for touch events that are being converted to mouse input.
|
|
|
|
// Don't let the browser fire a duplicate mouse event.
|
|
event.preventDefault();
|
|
|
|
let primaryChanged = false;
|
|
for (let i of event.changedTouches) {
|
|
// If our chosen primary touch moved, update Browser mouse coords
|
|
if (GLFW.primaryTouchId === i.identifier) {
|
|
Browser.setMouseCoords(i.pageX, i.pageY);
|
|
primaryChanged = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!primaryChanged) {
|
|
// Do not send mouse events if some touch other than the primary triggered this.
|
|
return;
|
|
}
|
|
|
|
} else {
|
|
// Handling for non-touch mouse input events.
|
|
Browser.calculateMouseEvent(event);
|
|
}
|
|
|
|
if (event.target != Module["canvas"] || !GLFW.active.cursorPosFunc) return;
|
|
|
|
if (GLFW.active.cursorPosFunc) {
|
|
getWasmTableEntry(GLFW.active.cursorPosFunc)(GLFW.active.id, Browser.mouseX, Browser.mouseY);
|
|
}
|
|
},
|
|
DOMToGLFWMouseButton:(event) => {
|
|
// DOM and glfw have different button codes.
|
|
// See http://www.w3schools.com/jsref/event_button.asp.
|
|
var eventButton = event['button'];
|
|
if (eventButton > 0) {
|
|
if (eventButton == 1) {
|
|
eventButton = 2;
|
|
} else {
|
|
eventButton = 1;
|
|
}
|
|
}
|
|
return eventButton;
|
|
},
|
|
onMouseenter:(event) => {
|
|
if (!GLFW.active) return;
|
|
|
|
if (event.target != Module["canvas"]) return;
|
|
|
|
if (GLFW.active.cursorEnterFunc) {
|
|
getWasmTableEntry(GLFW.active.cursorEnterFunc)(GLFW.active.id, 1);
|
|
}
|
|
},
|
|
onMouseleave:(event) => {
|
|
if (!GLFW.active) return;
|
|
|
|
if (event.target != Module["canvas"]) return;
|
|
|
|
if (GLFW.active.cursorEnterFunc) {
|
|
getWasmTableEntry(GLFW.active.cursorEnterFunc)(GLFW.active.id, 0);
|
|
}
|
|
},
|
|
onMouseButtonChanged:(event, status) => {
|
|
if (!GLFW.active) return;
|
|
|
|
if (event.target != Module["canvas"]) return;
|
|
|
|
// Is this from a touch event?
|
|
const isTouchType = event.type === 'touchstart' || event.type === 'touchend' || event.type === 'touchcancel';
|
|
|
|
// Only emulating mouse left-click behavior for touches.
|
|
let eventButton = 0;
|
|
if (isTouchType) {
|
|
// Handling for touch events that are being converted to mouse input.
|
|
|
|
// Don't let the browser fire a duplicate mouse event.
|
|
event.preventDefault();
|
|
|
|
let primaryChanged = false;
|
|
|
|
// Set a primary touch if we have none.
|
|
if (GLFW.primaryTouchId === null && event.type === 'touchstart' && event.targetTouches.length > 0) {
|
|
// Pick the first touch that started in the canvas and treat it as primary.
|
|
const chosenTouch = event.targetTouches[0];
|
|
GLFW.primaryTouchId = chosenTouch.identifier;
|
|
|
|
Browser.setMouseCoords(chosenTouch.pageX, chosenTouch.pageY);
|
|
primaryChanged = true;
|
|
} else if (event.type === 'touchend' || event.type === 'touchcancel') {
|
|
// Clear the primary touch if it ended.
|
|
for (let i of event.changedTouches) {
|
|
// If our chosen primary touch ended, remove it.
|
|
if (GLFW.primaryTouchId === i.identifier) {
|
|
GLFW.primaryTouchId = null;
|
|
primaryChanged = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!primaryChanged) {
|
|
// Do not send mouse events if some touch other than the primary triggered this.
|
|
return;
|
|
}
|
|
|
|
} else {
|
|
// Handling for non-touch mouse input events.
|
|
Browser.calculateMouseEvent(event);
|
|
eventButton = GLFW.DOMToGLFWMouseButton(event);
|
|
}
|
|
|
|
if (status == 1) { // GLFW_PRESS
|
|
GLFW.active.buttons |= (1 << eventButton);
|
|
try {
|
|
event.target.setCapture();
|
|
} catch (e) {}
|
|
} else { // GLFW_RELEASE
|
|
GLFW.active.buttons &= ~(1 << eventButton);
|
|
}
|
|
|
|
// Send mouse event to GLFW.
|
|
if (GLFW.active.mouseButtonFunc) {
|
|
getWasmTableEntry(GLFW.active.mouseButtonFunc)(GLFW.active.id, eventButton, status, GLFW.getModBits(GLFW.active));
|
|
}
|
|
},
|
|
onMouseButtonDown:(event) => {
|
|
if (!GLFW.active) return;
|
|
GLFW.onMouseButtonChanged(event, 1); // GLFW_PRESS
|
|
},
|
|
onMouseButtonUp:(event) => {
|
|
if (!GLFW.active) return;
|
|
GLFW.onMouseButtonChanged(event, 0); // GLFW_RELEASE
|
|
},
|
|
onMouseWheel:(event) => {
|
|
// Note the minus sign that flips browser wheel direction (positive direction scrolls page down) to native wheel direction (positive direction is mouse wheel up)
|
|
var delta = -Browser.getMouseWheelDelta(event);
|
|
delta = (delta == 0) ? 0 : (delta > 0 ? Math.max(delta, 1) : Math.min(delta, -1)); // Quantize to integer so that minimum scroll is at least +/- 1.
|
|
GLFW.wheelPos += delta;
|
|
|
|
if (!GLFW.active || !GLFW.active.scrollFunc || event.target != Module['canvas']) return;
|
|
var sx = 0;
|
|
var sy = delta;
|
|
if (event.type == 'mousewheel') {
|
|
sx = event.wheelDeltaX;
|
|
} else {
|
|
sx = event.deltaX;
|
|
}
|
|
|
|
getWasmTableEntry(GLFW.active.scrollFunc)(GLFW.active.id, sx, sy);
|
|
|
|
event.preventDefault();
|
|
},
|
|
onCanvasResize:(width, height, framebufferWidth, framebufferHeight) => {
|
|
if (!GLFW.active) return;
|
|
|
|
var resizeNeeded = false;
|
|
|
|
// If the client is requesting fullscreen mode
|
|
if (document["fullscreen"] || document["fullScreen"] || document["mozFullScreen"] || document["webkitIsFullScreen"]) {
|
|
if (!GLFW.active.fullscreen) {
|
|
resizeNeeded = width != screen.width || height != screen.height;
|
|
GLFW.active.storedX = GLFW.active.x;
|
|
GLFW.active.storedY = GLFW.active.y;
|
|
GLFW.active.storedWidth = GLFW.active.width;
|
|
GLFW.active.storedHeight = GLFW.active.height;
|
|
GLFW.active.x = GLFW.active.y = 0;
|
|
GLFW.active.width = screen.width;
|
|
GLFW.active.height = screen.height;
|
|
GLFW.active.fullscreen = true;
|
|
}
|
|
// If the client is reverting from fullscreen mode
|
|
} else if (GLFW.active.fullscreen == true) {
|
|
resizeNeeded = width != GLFW.active.storedWidth || height != GLFW.active.storedHeight;
|
|
GLFW.active.x = GLFW.active.storedX;
|
|
GLFW.active.y = GLFW.active.storedY;
|
|
GLFW.active.width = GLFW.active.storedWidth;
|
|
GLFW.active.height = GLFW.active.storedHeight;
|
|
GLFW.active.fullscreen = false;
|
|
}
|
|
|
|
if (resizeNeeded) {
|
|
// width or height is changed (fullscreen / exit fullscreen) which will call this listener back
|
|
// with proper framebufferWidth/framebufferHeight
|
|
Browser.setCanvasSize(GLFW.active.width, GLFW.active.height);
|
|
} else if (GLFW.active.width != width ||
|
|
GLFW.active.height != height ||
|
|
GLFW.active.framebufferWidth != framebufferWidth ||
|
|
GLFW.active.framebufferHeight != framebufferHeight) {
|
|
GLFW.active.width = width;
|
|
GLFW.active.height = height;
|
|
GLFW.active.framebufferWidth = framebufferWidth;
|
|
GLFW.active.framebufferHeight = framebufferHeight;
|
|
GLFW.onWindowSizeChanged();
|
|
GLFW.onFramebufferSizeChanged();
|
|
}
|
|
},
|
|
onWindowSizeChanged:() => {
|
|
if (!GLFW.active) return;
|
|
|
|
if (GLFW.active.windowSizeFunc) {
|
|
getWasmTableEntry(GLFW.active.windowSizeFunc)(GLFW.active.id, GLFW.active.width, GLFW.active.height);
|
|
}
|
|
},
|
|
onFramebufferSizeChanged:() => {
|
|
if (!GLFW.active) return;
|
|
|
|
if (GLFW.active.framebufferSizeFunc) {
|
|
getWasmTableEntry(GLFW.active.framebufferSizeFunc)(GLFW.active.id, GLFW.active.framebufferWidth, GLFW.active.framebufferHeight);
|
|
}
|
|
},
|
|
onWindowContentScaleChanged:(scale) => {
|
|
GLFW.scale = scale;
|
|
if (!GLFW.active) return;
|
|
|
|
if (GLFW.active.windowContentScaleFunc) {
|
|
getWasmTableEntry(GLFW.active.windowContentScaleFunc)(GLFW.active.id, GLFW.scale, GLFW.scale);
|
|
}
|
|
},
|
|
getTime:() => _emscripten_get_now() / 1000,
|
|
setWindowTitle:(winid, title) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return;
|
|
|
|
win.title = title;
|
|
if (GLFW.active.id == win.id) {
|
|
_emscripten_set_window_title(title);
|
|
}
|
|
},
|
|
setJoystickCallback:(cbfun) => {
|
|
var prevcbfun = GLFW.joystickFunc;
|
|
GLFW.joystickFunc = cbfun;
|
|
GLFW.refreshJoysticks();
|
|
return prevcbfun;
|
|
},
|
|
joys:{
|
|
},
|
|
lastGamepadState:[],
|
|
lastGamepadStateFrame:null,
|
|
refreshJoysticks:() => {
|
|
// Produce a new Gamepad API sample if we are ticking a new game frame, or if not using emscripten_set_main_loop() at all to drive animation.
|
|
if (Browser.mainLoop.currentFrameNumber !== GLFW.lastGamepadStateFrame || !Browser.mainLoop.currentFrameNumber) {
|
|
GLFW.lastGamepadState = navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads || []);
|
|
GLFW.lastGamepadStateFrame = Browser.mainLoop.currentFrameNumber;
|
|
|
|
for (var joy = 0; joy < GLFW.lastGamepadState.length; ++joy) {
|
|
var gamepad = GLFW.lastGamepadState[joy];
|
|
|
|
if (gamepad) {
|
|
if (!GLFW.joys[joy]) {
|
|
out('glfw joystick connected:',joy);
|
|
GLFW.joys[joy] = {
|
|
id: stringToNewUTF8(gamepad.id),
|
|
buttonsCount: gamepad.buttons.length,
|
|
axesCount: gamepad.axes.length,
|
|
buttons: _malloc(gamepad.buttons.length),
|
|
axes: _malloc(gamepad.axes.length*4),
|
|
};
|
|
|
|
if (GLFW.joystickFunc) {
|
|
getWasmTableEntry(GLFW.joystickFunc)(joy, 0x00040001); // GLFW_CONNECTED
|
|
}
|
|
}
|
|
|
|
var data = GLFW.joys[joy];
|
|
|
|
for (var i = 0; i < gamepad.buttons.length; ++i) {
|
|
HEAP8[data.buttons + i] = gamepad.buttons[i].pressed;
|
|
}
|
|
|
|
for (var i = 0; i < gamepad.axes.length; ++i) {
|
|
HEAPF32[((data.axes + i*4)>>2)] = gamepad.axes[i];
|
|
}
|
|
} else {
|
|
if (GLFW.joys[joy]) {
|
|
out('glfw joystick disconnected',joy);
|
|
|
|
if (GLFW.joystickFunc) {
|
|
getWasmTableEntry(GLFW.joystickFunc)(joy, 0x00040002); // GLFW_DISCONNECTED
|
|
}
|
|
|
|
_free(GLFW.joys[joy].id);
|
|
_free(GLFW.joys[joy].buttons);
|
|
_free(GLFW.joys[joy].axes);
|
|
|
|
delete GLFW.joys[joy];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
setKeyCallback:(winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.keyFunc;
|
|
win.keyFunc = cbfun;
|
|
return prevcbfun;
|
|
},
|
|
setCharCallback:(winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.charFunc;
|
|
win.charFunc = cbfun;
|
|
return prevcbfun;
|
|
},
|
|
setMouseButtonCallback:(winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.mouseButtonFunc;
|
|
win.mouseButtonFunc = cbfun;
|
|
return prevcbfun;
|
|
},
|
|
setCursorPosCallback:(winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.cursorPosFunc;
|
|
win.cursorPosFunc = cbfun;
|
|
return prevcbfun;
|
|
},
|
|
setScrollCallback:(winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.scrollFunc;
|
|
win.scrollFunc = cbfun;
|
|
return prevcbfun;
|
|
},
|
|
setDropCallback:(winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.dropFunc;
|
|
win.dropFunc = cbfun;
|
|
return prevcbfun;
|
|
},
|
|
onDrop:(event) => {
|
|
if (!GLFW.active || !GLFW.active.dropFunc) return;
|
|
if (!event.dataTransfer || !event.dataTransfer.files || event.dataTransfer.files.length == 0) return;
|
|
|
|
event.preventDefault();
|
|
|
|
var filenames = _malloc(event.dataTransfer.files.length*4);
|
|
var filenamesArray = [];
|
|
var count = event.dataTransfer.files.length;
|
|
|
|
// Read and save the files to emscripten's FS
|
|
var written = 0;
|
|
var drop_dir = '.glfw_dropped_files';
|
|
FS.createPath('/', drop_dir);
|
|
|
|
function save(file) {
|
|
var path = '/' + drop_dir + '/' + file.name.replace(/\//g, '_');
|
|
var reader = new FileReader();
|
|
reader.onloadend = (e) => {
|
|
if (reader.readyState != 2) { // not DONE
|
|
++written;
|
|
out('failed to read dropped file: '+file.name+': '+reader.error);
|
|
return;
|
|
}
|
|
|
|
var data = e.target.result;
|
|
FS.writeFile(path, new Uint8Array(data));
|
|
if (++written === count) {
|
|
getWasmTableEntry(GLFW.active.dropFunc)(GLFW.active.id, count, filenames);
|
|
|
|
for (var i = 0; i < filenamesArray.length; ++i) {
|
|
_free(filenamesArray[i]);
|
|
}
|
|
_free(filenames);
|
|
}
|
|
};
|
|
reader.readAsArrayBuffer(file);
|
|
|
|
var filename = stringToNewUTF8(path);
|
|
filenamesArray.push(filename);
|
|
HEAPU32[((filenames + i*4)>>2)] = filename;
|
|
}
|
|
|
|
for (var i = 0; i < count; ++i) {
|
|
save(event.dataTransfer.files[i]);
|
|
}
|
|
|
|
return false;
|
|
},
|
|
onDragover:(event) => {
|
|
if (!GLFW.active || !GLFW.active.dropFunc) return;
|
|
|
|
event.preventDefault();
|
|
return false;
|
|
},
|
|
setWindowSizeCallback:(winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.windowSizeFunc;
|
|
win.windowSizeFunc = cbfun;
|
|
|
|
return prevcbfun;
|
|
},
|
|
setWindowCloseCallback:(winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.windowCloseFunc;
|
|
win.windowCloseFunc = cbfun;
|
|
return prevcbfun;
|
|
},
|
|
setWindowRefreshCallback:(winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.windowRefreshFunc;
|
|
win.windowRefreshFunc = cbfun;
|
|
return prevcbfun;
|
|
},
|
|
onClickRequestPointerLock:(e) => {
|
|
if (!Browser.pointerLock && Module['canvas'].requestPointerLock) {
|
|
Module['canvas'].requestPointerLock();
|
|
e.preventDefault();
|
|
}
|
|
},
|
|
setInputMode:(winid, mode, value) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return;
|
|
|
|
switch (mode) {
|
|
case 0x00033001: { // GLFW_CURSOR
|
|
switch (value) {
|
|
case 0x00034001: { // GLFW_CURSOR_NORMAL
|
|
win.inputModes[mode] = value;
|
|
Module['canvas'].removeEventListener('click', GLFW.onClickRequestPointerLock, true);
|
|
Module['canvas'].exitPointerLock();
|
|
break;
|
|
}
|
|
case 0x00034002: { // GLFW_CURSOR_HIDDEN
|
|
err('glfwSetInputMode called with GLFW_CURSOR_HIDDEN value not implemented');
|
|
break;
|
|
}
|
|
case 0x00034003: { // GLFW_CURSOR_DISABLED
|
|
win.inputModes[mode] = value;
|
|
Module['canvas'].addEventListener('click', GLFW.onClickRequestPointerLock, true);
|
|
Module['canvas'].requestPointerLock();
|
|
break;
|
|
}
|
|
default: {
|
|
err(`glfwSetInputMode called with unknown value parameter value: ${value}`);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 0x00033002: { // GLFW_STICKY_KEYS
|
|
err('glfwSetInputMode called with GLFW_STICKY_KEYS mode not implemented');
|
|
break;
|
|
}
|
|
case 0x00033003: { // GLFW_STICKY_MOUSE_BUTTONS
|
|
err('glfwSetInputMode called with GLFW_STICKY_MOUSE_BUTTONS mode not implemented');
|
|
break;
|
|
}
|
|
case 0x00033004: { // GLFW_LOCK_KEY_MODS
|
|
err('glfwSetInputMode called with GLFW_LOCK_KEY_MODS mode not implemented');
|
|
break;
|
|
}
|
|
case 0x000330005: { // GLFW_RAW_MOUSE_MOTION
|
|
err('glfwSetInputMode called with GLFW_RAW_MOUSE_MOTION mode not implemented');
|
|
break;
|
|
}
|
|
default: {
|
|
err(`glfwSetInputMode called with unknown mode parameter value: ${mode}`);
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
getKey:(winid, key) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return 0;
|
|
return win.keys[key];
|
|
},
|
|
getMouseButton:(winid, button) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return 0;
|
|
return (win.buttons & (1 << button)) > 0;
|
|
},
|
|
getCursorPos:(winid, x, y) => {
|
|
HEAPF64[((x)>>3)] = Browser.mouseX;
|
|
HEAPF64[((y)>>3)] = Browser.mouseY;
|
|
},
|
|
getMousePos:(winid, x, y) => {
|
|
HEAP32[((x)>>2)] = Browser.mouseX;
|
|
HEAP32[((y)>>2)] = Browser.mouseY;
|
|
},
|
|
setCursorPos:(winid, x, y) => {
|
|
},
|
|
getWindowPos:(winid, x, y) => {
|
|
var wx = 0;
|
|
var wy = 0;
|
|
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (win) {
|
|
wx = win.x;
|
|
wy = win.y;
|
|
}
|
|
|
|
if (x) {
|
|
HEAP32[((x)>>2)] = wx;
|
|
}
|
|
|
|
if (y) {
|
|
HEAP32[((y)>>2)] = wy;
|
|
}
|
|
},
|
|
setWindowPos:(winid, x, y) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return;
|
|
win.x = x;
|
|
win.y = y;
|
|
},
|
|
getWindowSize:(winid, width, height) => {
|
|
var ww = 0;
|
|
var wh = 0;
|
|
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (win) {
|
|
ww = win.width;
|
|
wh = win.height;
|
|
}
|
|
|
|
if (width) {
|
|
HEAP32[((width)>>2)] = ww;
|
|
}
|
|
|
|
if (height) {
|
|
HEAP32[((height)>>2)] = wh;
|
|
}
|
|
},
|
|
setWindowSize:(winid, width, height) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return;
|
|
|
|
if (GLFW.active.id == win.id) {
|
|
Browser.setCanvasSize(width, height); // triggers the listener (onCanvasResize) + windowSizeFunc
|
|
}
|
|
},
|
|
defaultWindowHints:() => {
|
|
GLFW.hints = Object.assign({}, GLFW.defaultHints);
|
|
},
|
|
createWindow:(width, height, title, monitor, share) => {
|
|
var i, id;
|
|
for (i = 0; i < GLFW.windows.length && GLFW.windows[i] !== null; i++) {
|
|
// no-op
|
|
}
|
|
if (i > 0) throw "glfwCreateWindow only supports one window at time currently";
|
|
|
|
// id for window
|
|
id = i + 1;
|
|
|
|
// not valid
|
|
if (width <= 0 || height <= 0) return 0;
|
|
|
|
if (monitor) {
|
|
Browser.requestFullscreen();
|
|
} else {
|
|
Browser.setCanvasSize(width, height);
|
|
}
|
|
|
|
// Create context when there are no existing alive windows
|
|
for (i = 0; i < GLFW.windows.length && GLFW.windows[i] == null; i++) {
|
|
// no-op
|
|
}
|
|
var useWebGL = GLFW.hints[0x00022001] > 0; // Use WebGL when we are told to based on GLFW_CLIENT_API
|
|
if (i == GLFW.windows.length) {
|
|
if (useWebGL) {
|
|
var contextAttributes = {
|
|
antialias: (GLFW.hints[0x0002100D] > 1), // GLFW_SAMPLES
|
|
depth: (GLFW.hints[0x00021005] > 0), // GLFW_DEPTH_BITS
|
|
stencil: (GLFW.hints[0x00021006] > 0), // GLFW_STENCIL_BITS
|
|
alpha: (GLFW.hints[0x00021004] > 0) // GLFW_ALPHA_BITS
|
|
}
|
|
Module.ctx = Browser.createContext(Module['canvas'], true, true, contextAttributes);
|
|
} else {
|
|
Browser.init();
|
|
}
|
|
}
|
|
|
|
// If context creation failed, do not return a valid window
|
|
if (!Module.ctx && useWebGL) return 0;
|
|
|
|
// Get non alive id
|
|
const canvas = Module['canvas'];
|
|
var win = new GLFW_Window(id, canvas.clientWidth, canvas.clientHeight, canvas.width, canvas.height, title, monitor, share);
|
|
|
|
// Set window to array
|
|
if (id - 1 == GLFW.windows.length) {
|
|
GLFW.windows.push(win);
|
|
} else {
|
|
GLFW.windows[id - 1] = win;
|
|
}
|
|
|
|
GLFW.active = win;
|
|
GLFW.adjustCanvasDimensions();
|
|
return win.id;
|
|
},
|
|
destroyWindow:(winid) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return;
|
|
|
|
if (win.windowCloseFunc) {
|
|
getWasmTableEntry(win.windowCloseFunc)(win.id);
|
|
}
|
|
|
|
GLFW.windows[win.id - 1] = null;
|
|
if (GLFW.active.id == win.id)
|
|
GLFW.active = null;
|
|
|
|
// Destroy context when no alive windows
|
|
for (var i = 0; i < GLFW.windows.length; i++)
|
|
if (GLFW.windows[i] !== null) return;
|
|
|
|
Module.ctx = Browser.destroyContext(Module['canvas'], true, true);
|
|
},
|
|
swapBuffers:(winid) => {
|
|
},
|
|
requestFullscreen(lockPointer, resizeCanvas) {
|
|
Browser.lockPointer = lockPointer;
|
|
Browser.resizeCanvas = resizeCanvas;
|
|
if (typeof Browser.lockPointer == 'undefined') Browser.lockPointer = true;
|
|
if (typeof Browser.resizeCanvas == 'undefined') Browser.resizeCanvas = false;
|
|
|
|
var canvas = Module['canvas'];
|
|
function fullscreenChange() {
|
|
Browser.isFullscreen = false;
|
|
var canvasContainer = canvas.parentNode;
|
|
if ((document['fullscreenElement'] || document['mozFullScreenElement'] ||
|
|
document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
|
|
document['webkitCurrentFullScreenElement']) === canvasContainer) {
|
|
canvas.exitFullscreen = Browser.exitFullscreen;
|
|
if (Browser.lockPointer) canvas.requestPointerLock();
|
|
Browser.isFullscreen = true;
|
|
if (Browser.resizeCanvas) {
|
|
Browser.setFullscreenCanvasSize();
|
|
} else {
|
|
Browser.updateCanvasDimensions(canvas);
|
|
Browser.updateResizeListeners();
|
|
}
|
|
} else {
|
|
// remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen
|
|
canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
|
|
canvasContainer.parentNode.removeChild(canvasContainer);
|
|
|
|
if (Browser.resizeCanvas) {
|
|
Browser.setWindowedCanvasSize();
|
|
} else {
|
|
Browser.updateCanvasDimensions(canvas);
|
|
Browser.updateResizeListeners();
|
|
}
|
|
}
|
|
if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullscreen);
|
|
if (Module['onFullscreen']) Module['onFullscreen'](Browser.isFullscreen);
|
|
}
|
|
|
|
if (!Browser.fullscreenHandlersInstalled) {
|
|
Browser.fullscreenHandlersInstalled = true;
|
|
document.addEventListener('fullscreenchange', fullscreenChange, false);
|
|
document.addEventListener('mozfullscreenchange', fullscreenChange, false);
|
|
document.addEventListener('webkitfullscreenchange', fullscreenChange, false);
|
|
document.addEventListener('MSFullscreenChange', fullscreenChange, false);
|
|
}
|
|
|
|
// create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root
|
|
var canvasContainer = document.createElement("div");
|
|
canvas.parentNode.insertBefore(canvasContainer, canvas);
|
|
canvasContainer.appendChild(canvas);
|
|
|
|
// use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size)
|
|
canvasContainer.requestFullscreen = canvasContainer['requestFullscreen'] ||
|
|
canvasContainer['mozRequestFullScreen'] ||
|
|
canvasContainer['msRequestFullscreen'] ||
|
|
(canvasContainer['webkitRequestFullscreen'] ? () => canvasContainer['webkitRequestFullscreen'](Element['ALLOW_KEYBOARD_INPUT']) : null) ||
|
|
(canvasContainer['webkitRequestFullScreen'] ? () => canvasContainer['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) : null);
|
|
|
|
canvasContainer.requestFullscreen();
|
|
},
|
|
updateCanvasDimensions(canvas, wNative, hNative) {
|
|
const scale = GLFW.getHiDPIScale();
|
|
|
|
if (wNative && hNative) {
|
|
canvas.widthNative = wNative;
|
|
canvas.heightNative = hNative;
|
|
} else {
|
|
wNative = canvas.widthNative;
|
|
hNative = canvas.heightNative;
|
|
}
|
|
var w = wNative;
|
|
var h = hNative;
|
|
if (Module['forcedAspectRatio'] && Module['forcedAspectRatio'] > 0) {
|
|
if (w/h < Module['forcedAspectRatio']) {
|
|
w = Math.round(h * Module['forcedAspectRatio']);
|
|
} else {
|
|
h = Math.round(w / Module['forcedAspectRatio']);
|
|
}
|
|
}
|
|
if (((document['fullscreenElement'] || document['mozFullScreenElement'] ||
|
|
document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
|
|
document['webkitCurrentFullScreenElement']) === canvas.parentNode) && (typeof screen != 'undefined')) {
|
|
var factor = Math.min(screen.width / w, screen.height / h);
|
|
w = Math.round(w * factor);
|
|
h = Math.round(h * factor);
|
|
}
|
|
if (Browser.resizeCanvas) {
|
|
wNative = w;
|
|
hNative = h;
|
|
}
|
|
const wNativeScaled = Math.floor(wNative * scale);
|
|
const hNativeScaled = Math.floor(hNative * scale);
|
|
if (canvas.width != wNativeScaled) canvas.width = wNativeScaled;
|
|
if (canvas.height != hNativeScaled) canvas.height = hNativeScaled;
|
|
if (typeof canvas.style != 'undefined') {
|
|
if (wNativeScaled != wNative || hNativeScaled != hNative) {
|
|
canvas.style.setProperty( "width", wNative + "px", "important");
|
|
canvas.style.setProperty("height", hNative + "px", "important");
|
|
} else {
|
|
canvas.style.removeProperty( "width");
|
|
canvas.style.removeProperty("height");
|
|
}
|
|
}
|
|
},
|
|
calculateMouseCoords(pageX, pageY) {
|
|
// Calculate the movement based on the changes
|
|
// in the coordinates.
|
|
var rect = Module["canvas"].getBoundingClientRect();
|
|
var cw = Module["canvas"].clientWidth;
|
|
var ch = Module["canvas"].clientHeight;
|
|
|
|
// Neither .scrollX or .pageXOffset are defined in a spec, but
|
|
// we prefer .scrollX because it is currently in a spec draft.
|
|
// (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
|
|
var scrollX = ((typeof window.scrollX != 'undefined') ? window.scrollX : window.pageXOffset);
|
|
var scrollY = ((typeof window.scrollY != 'undefined') ? window.scrollY : window.pageYOffset);
|
|
// If this assert lands, it's likely because the browser doesn't support scrollX or pageXOffset
|
|
// and we have no viable fallback.
|
|
assert((typeof scrollX != 'undefined') && (typeof scrollY != 'undefined'), 'Unable to retrieve scroll position, mouse positions likely broken.');
|
|
var adjustedX = pageX - (scrollX + rect.left);
|
|
var adjustedY = pageY - (scrollY + rect.top);
|
|
|
|
// the canvas might be CSS-scaled compared to its backbuffer;
|
|
// SDL-using content will want mouse coordinates in terms
|
|
// of backbuffer units.
|
|
adjustedX = adjustedX * (cw / rect.width);
|
|
adjustedY = adjustedY * (ch / rect.height);
|
|
|
|
return { x: adjustedX, y: adjustedY };
|
|
},
|
|
setWindowAttrib:(winid, attrib, value) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return;
|
|
const isHiDPIAware = GLFW.isHiDPIAware();
|
|
win.attributes[attrib] = value;
|
|
if (isHiDPIAware !== GLFW.isHiDPIAware())
|
|
GLFW.adjustCanvasDimensions();
|
|
},
|
|
getDevicePixelRatio() {
|
|
return (typeof devicePixelRatio == 'number' && devicePixelRatio) || 1.0;
|
|
},
|
|
isHiDPIAware() {
|
|
if (GLFW.active)
|
|
return GLFW.active.attributes[0x0002200C] > 0; // GLFW_SCALE_TO_MONITOR
|
|
else
|
|
return false;
|
|
},
|
|
adjustCanvasDimensions() {
|
|
const canvas = Module['canvas'];
|
|
Browser.updateCanvasDimensions(canvas, canvas.clientWidth, canvas.clientHeight);
|
|
Browser.updateResizeListeners();
|
|
},
|
|
getHiDPIScale() {
|
|
return GLFW.isHiDPIAware() ? GLFW.scale : 1.0;
|
|
},
|
|
onDevicePixelRatioChange() {
|
|
GLFW.onWindowContentScaleChanged(GLFW.getDevicePixelRatio());
|
|
GLFW.adjustCanvasDimensions();
|
|
},
|
|
GLFW2ParamToGLFW3Param:(param) => {
|
|
var table = {
|
|
0x00030001:0, // GLFW_MOUSE_CURSOR
|
|
0x00030002:0, // GLFW_STICKY_KEYS
|
|
0x00030003:0, // GLFW_STICKY_MOUSE_BUTTONS
|
|
0x00030004:0, // GLFW_SYSTEM_KEYS
|
|
0x00030005:0, // GLFW_KEY_REPEAT
|
|
0x00030006:0, // GLFW_AUTO_POLL_EVENTS
|
|
0x00020001:0, // GLFW_OPENED
|
|
0x00020002:0, // GLFW_ACTIVE
|
|
0x00020003:0, // GLFW_ICONIFIED
|
|
0x00020004:0, // GLFW_ACCELERATED
|
|
0x00020005:0x00021001, // GLFW_RED_BITS
|
|
0x00020006:0x00021002, // GLFW_GREEN_BITS
|
|
0x00020007:0x00021003, // GLFW_BLUE_BITS
|
|
0x00020008:0x00021004, // GLFW_ALPHA_BITS
|
|
0x00020009:0x00021005, // GLFW_DEPTH_BITS
|
|
0x0002000A:0x00021006, // GLFW_STENCIL_BITS
|
|
0x0002000B:0x0002100F, // GLFW_REFRESH_RATE
|
|
0x0002000C:0x00021007, // GLFW_ACCUM_RED_BITS
|
|
0x0002000D:0x00021008, // GLFW_ACCUM_GREEN_BITS
|
|
0x0002000E:0x00021009, // GLFW_ACCUM_BLUE_BITS
|
|
0x0002000F:0x0002100A, // GLFW_ACCUM_ALPHA_BITS
|
|
0x00020010:0x0002100B, // GLFW_AUX_BUFFERS
|
|
0x00020011:0x0002100C, // GLFW_STEREO
|
|
0x00020012:0, // GLFW_WINDOW_NO_RESIZE
|
|
0x00020013:0x0002100D, // GLFW_FSAA_SAMPLES
|
|
0x00020014:0x00022002, // GLFW_OPENGL_VERSION_MAJOR
|
|
0x00020015:0x00022003, // GLFW_OPENGL_VERSION_MINOR
|
|
0x00020016:0x00022006, // GLFW_OPENGL_FORWARD_COMPAT
|
|
0x00020017:0x00022007, // GLFW_OPENGL_DEBUG_CONTEXT
|
|
0x00020018:0x00022008, // GLFW_OPENGL_PROFILE
|
|
};
|
|
return table[param];
|
|
},
|
|
};
|
|
var _glfwCreateStandardCursor = (shape) => {};
|
|
|
|
var _glfwCreateWindow = (width, height, title, monitor, share) => GLFW.createWindow(width, height, title, monitor, share);
|
|
|
|
var _glfwDestroyCursor = (cursor) => {};
|
|
|
|
var _glfwDestroyWindow = (winid) => GLFW.destroyWindow(winid);
|
|
|
|
var _glfwGetClipboardString = (win) => {};
|
|
|
|
var _glfwGetCursorPos = (winid, x, y) => GLFW.getCursorPos(winid, x, y);
|
|
|
|
var _glfwGetFramebufferSize = (winid, width, height) => {
|
|
var ww = 0;
|
|
var wh = 0;
|
|
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (win) {
|
|
ww = win.framebufferWidth;
|
|
wh = win.framebufferHeight;
|
|
}
|
|
|
|
if (width) {
|
|
HEAP32[((width)>>2)] = ww;
|
|
}
|
|
|
|
if (height) {
|
|
HEAP32[((height)>>2)] = wh;
|
|
}
|
|
};
|
|
|
|
var _glfwGetInputMode = (winid, mode) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return;
|
|
|
|
switch (mode) {
|
|
case 0x00033001: { // GLFW_CURSOR
|
|
if (Browser.pointerLock) {
|
|
win.inputModes[mode] = 0x00034003; // GLFW_CURSOR_DISABLED
|
|
} else {
|
|
win.inputModes[mode] = 0x00034001; // GLFW_CURSOR_NORMAL
|
|
}
|
|
}
|
|
}
|
|
|
|
return win.inputModes[mode];
|
|
};
|
|
|
|
var _glfwGetJoystickAxes = (joy, count) => {
|
|
GLFW.refreshJoysticks();
|
|
|
|
var state = GLFW.joys[joy];
|
|
if (!state || !state.axes) {
|
|
HEAP32[((count)>>2)] = 0;
|
|
return;
|
|
}
|
|
|
|
HEAP32[((count)>>2)] = state.axesCount;
|
|
return state.axes;
|
|
};
|
|
|
|
var _glfwGetJoystickButtons = (joy, count) => {
|
|
GLFW.refreshJoysticks();
|
|
|
|
var state = GLFW.joys[joy];
|
|
if (!state || !state.buttons) {
|
|
HEAP32[((count)>>2)] = 0;
|
|
return;
|
|
}
|
|
|
|
HEAP32[((count)>>2)] = state.buttonsCount;
|
|
return state.buttons;
|
|
};
|
|
|
|
var _glfwGetKey = (winid, key) => GLFW.getKey(winid, key);
|
|
|
|
var _glfwGetTime = () => GLFW.getTime() - GLFW.initialTime;
|
|
|
|
var _glfwGetWindowSize = (winid, width, height) => GLFW.getWindowSize(winid, width, height);
|
|
|
|
|
|
|
|
var _glfwInit = () => {
|
|
if (GLFW.windows) return 1; // GL_TRUE
|
|
|
|
GLFW.initialTime = GLFW.getTime();
|
|
GLFW.defaultWindowHints();
|
|
GLFW.windows = new Array()
|
|
GLFW.active = null;
|
|
GLFW.scale = GLFW.getDevicePixelRatio();
|
|
|
|
window.addEventListener("gamepadconnected", GLFW.onGamepadConnected, true);
|
|
window.addEventListener("gamepaddisconnected", GLFW.onGamepadDisconnected, true);
|
|
window.addEventListener("keydown", GLFW.onKeydown, true);
|
|
window.addEventListener("keypress", GLFW.onKeyPress, true);
|
|
window.addEventListener("keyup", GLFW.onKeyup, true);
|
|
window.addEventListener("blur", GLFW.onBlur, true);
|
|
|
|
// watch for devicePixelRatio changes
|
|
GLFW.devicePixelRatioMQL = window.matchMedia('(resolution: ' + GLFW.getDevicePixelRatio() + 'dppx)');
|
|
GLFW.devicePixelRatioMQL.addEventListener('change', GLFW.onDevicePixelRatioChange);
|
|
|
|
Module["canvas"].addEventListener("touchmove", GLFW.onMousemove, true);
|
|
Module["canvas"].addEventListener("touchstart", GLFW.onMouseButtonDown, true);
|
|
Module["canvas"].addEventListener("touchcancel", GLFW.onMouseButtonUp, true);
|
|
Module["canvas"].addEventListener("touchend", GLFW.onMouseButtonUp, true);
|
|
Module["canvas"].addEventListener("mousemove", GLFW.onMousemove, true);
|
|
Module["canvas"].addEventListener("mousedown", GLFW.onMouseButtonDown, true);
|
|
Module["canvas"].addEventListener("mouseup", GLFW.onMouseButtonUp, true);
|
|
Module["canvas"].addEventListener('wheel', GLFW.onMouseWheel, true);
|
|
Module["canvas"].addEventListener('mousewheel', GLFW.onMouseWheel, true);
|
|
Module["canvas"].addEventListener('mouseenter', GLFW.onMouseenter, true);
|
|
Module["canvas"].addEventListener('mouseleave', GLFW.onMouseleave, true);
|
|
Module["canvas"].addEventListener('drop', GLFW.onDrop, true);
|
|
Module["canvas"].addEventListener('dragover', GLFW.onDragover, true);
|
|
|
|
// Overriding implementation to account for HiDPI
|
|
Browser.requestFullscreen = GLFW.requestFullscreen;
|
|
Browser.calculateMouseCoords = GLFW.calculateMouseCoords;
|
|
Browser.updateCanvasDimensions = GLFW.updateCanvasDimensions;
|
|
|
|
Browser.resizeListeners.push((width, height) => {
|
|
if (GLFW.isHiDPIAware()) {
|
|
var canvas = Module['canvas'];
|
|
GLFW.onCanvasResize(canvas.clientWidth, canvas.clientHeight, width, height);
|
|
} else {
|
|
GLFW.onCanvasResize(width, height, width, height);
|
|
}
|
|
});
|
|
|
|
return 1; // GL_TRUE
|
|
};
|
|
|
|
var _glfwMakeContextCurrent = (winid) => {};
|
|
|
|
var _glfwPollEvents = () => {};
|
|
|
|
var _glfwSetCharCallback = (winid, cbfun) => GLFW.setCharCallback(winid, cbfun);
|
|
|
|
var _glfwSetClipboardString = (win, string) => {};
|
|
|
|
var _glfwSetCursor = (winid, cursor) => {};
|
|
|
|
var _glfwSetCursorEnterCallback = (winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.cursorEnterFunc;
|
|
win.cursorEnterFunc = cbfun;
|
|
return prevcbfun;
|
|
};
|
|
|
|
var _glfwSetCursorPos = (winid, x, y) => GLFW.setCursorPos(winid, x, y);
|
|
|
|
var _glfwSetCursorPosCallback = (winid, cbfun) => GLFW.setCursorPosCallback(winid, cbfun);
|
|
|
|
var _glfwSetDropCallback = (winid, cbfun) => GLFW.setDropCallback(winid, cbfun);
|
|
|
|
var _glfwSetErrorCallback = (cbfun) => {
|
|
var prevcbfun = GLFW.errorFunc;
|
|
GLFW.errorFunc = cbfun;
|
|
return prevcbfun;
|
|
};
|
|
|
|
var _glfwSetInputMode = (winid, mode, value) => {
|
|
GLFW.setInputMode(winid, mode, value);
|
|
};
|
|
|
|
var _glfwSetKeyCallback = (winid, cbfun) => GLFW.setKeyCallback(winid, cbfun);
|
|
|
|
var _glfwSetMonitorCallback = (cbfun) => {
|
|
var prevcbfun = GLFW.monitorFunc;
|
|
GLFW.monitorFunc = cbfun;
|
|
return prevcbfun;
|
|
};
|
|
|
|
var _glfwSetMouseButtonCallback = (winid, cbfun) => GLFW.setMouseButtonCallback(winid, cbfun);
|
|
|
|
var _glfwSetScrollCallback = (winid, cbfun) => GLFW.setScrollCallback(winid, cbfun);
|
|
|
|
var _glfwSetWindowFocusCallback = (winid, cbfun) => {
|
|
var win = GLFW.WindowFromId(winid);
|
|
if (!win) return null;
|
|
var prevcbfun = win.windowFocusFunc;
|
|
win.windowFocusFunc = cbfun;
|
|
return prevcbfun;
|
|
};
|
|
|
|
var _glfwSetWindowSize = (winid, width, height) => GLFW.setWindowSize(winid, width, height);
|
|
|
|
var _glfwSwapBuffers = (winid) => GLFW.swapBuffers(winid);
|
|
|
|
var _glfwTerminate = () => {
|
|
window.removeEventListener("gamepadconnected", GLFW.onGamepadConnected, true);
|
|
window.removeEventListener("gamepaddisconnected", GLFW.onGamepadDisconnected, true);
|
|
window.removeEventListener("keydown", GLFW.onKeydown, true);
|
|
window.removeEventListener("keypress", GLFW.onKeyPress, true);
|
|
window.removeEventListener("keyup", GLFW.onKeyup, true);
|
|
window.removeEventListener("blur", GLFW.onBlur, true);
|
|
Module["canvas"].removeEventListener("touchmove", GLFW.onMousemove, true);
|
|
Module["canvas"].removeEventListener("touchstart", GLFW.onMouseButtonDown, true);
|
|
Module["canvas"].removeEventListener("touchcancel", GLFW.onMouseButtonUp, true);
|
|
Module["canvas"].removeEventListener("touchend", GLFW.onMouseButtonUp, true);
|
|
Module["canvas"].removeEventListener("mousemove", GLFW.onMousemove, true);
|
|
Module["canvas"].removeEventListener("mousedown", GLFW.onMouseButtonDown, true);
|
|
Module["canvas"].removeEventListener("mouseup", GLFW.onMouseButtonUp, true);
|
|
Module["canvas"].removeEventListener('wheel', GLFW.onMouseWheel, true);
|
|
Module["canvas"].removeEventListener('mousewheel', GLFW.onMouseWheel, true);
|
|
Module["canvas"].removeEventListener('mouseenter', GLFW.onMouseenter, true);
|
|
Module["canvas"].removeEventListener('mouseleave', GLFW.onMouseleave, true);
|
|
Module["canvas"].removeEventListener('drop', GLFW.onDrop, true);
|
|
Module["canvas"].removeEventListener('dragover', GLFW.onDragover, true);
|
|
|
|
if (GLFW.devicePixelRatioMQL)
|
|
GLFW.devicePixelRatioMQL.removeEventListener('change', GLFW.onDevicePixelRatioChange);
|
|
|
|
Module["canvas"].width = Module["canvas"].height = 1;
|
|
GLFW.windows = null;
|
|
GLFW.active = null;
|
|
};
|
|
|
|
var _glfwWindowHint = (target, hint) => {
|
|
GLFW.hints[target] = hint;
|
|
};
|
|
|
|
|
|
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 _strftime_l = (s, maxsize, format, tm, loc) => {
|
|
return _strftime(s, maxsize, format, tm); // no locale support yet
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
var stackAlloc = (sz) => __emscripten_stack_alloc(sz);
|
|
var stringToUTF8OnStack = (str) => {
|
|
var size = lengthBytesUTF8(str) + 1;
|
|
var ret = stackAlloc(size);
|
|
stringToUTF8(str, ret, size);
|
|
return ret;
|
|
};
|
|
|
|
FS.createPreloadedFile = FS_createPreloadedFile;
|
|
FS.staticInit();;
|
|
|
|
// exports
|
|
Module["requestFullscreen"] = Browser.requestFullscreen;
|
|
Module["requestFullScreen"] = Browser.requestFullScreen;
|
|
Module["requestAnimationFrame"] = Browser.requestAnimationFrame;
|
|
Module["setCanvasSize"] = Browser.setCanvasSize;
|
|
Module["pauseMainLoop"] = Browser.mainLoop.pause;
|
|
Module["resumeMainLoop"] = Browser.mainLoop.resume;
|
|
Module["getUserMedia"] = Browser.getUserMedia;
|
|
Module["createContext"] = Browser.createContext;
|
|
var preloadedImages = {};
|
|
var preloadedAudios = {};;
|
|
var GLctx;;
|
|
var miniTempWebGLFloatBuffersStorage = new Float32Array(288);
|
|
for (/**@suppress{duplicate}*/var i = 0; i < 288; ++i) {
|
|
miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i);
|
|
};
|
|
function checkIncomingModuleAPI() {
|
|
ignoredModuleProp('fetchSettings');
|
|
}
|
|
var wasmImports = {
|
|
/** @export */
|
|
__assert_fail: ___assert_fail,
|
|
/** @export */
|
|
__cxa_throw: ___cxa_throw,
|
|
/** @export */
|
|
__syscall_fcntl64: ___syscall_fcntl64,
|
|
/** @export */
|
|
__syscall_fstat64: ___syscall_fstat64,
|
|
/** @export */
|
|
__syscall_ioctl: ___syscall_ioctl,
|
|
/** @export */
|
|
__syscall_lstat64: ___syscall_lstat64,
|
|
/** @export */
|
|
__syscall_newfstatat: ___syscall_newfstatat,
|
|
/** @export */
|
|
__syscall_openat: ___syscall_openat,
|
|
/** @export */
|
|
__syscall_stat64: ___syscall_stat64,
|
|
/** @export */
|
|
_emscripten_get_now_is_monotonic: __emscripten_get_now_is_monotonic,
|
|
/** @export */
|
|
_emscripten_memcpy_js: __emscripten_memcpy_js,
|
|
/** @export */
|
|
_localtime_js: __localtime_js,
|
|
/** @export */
|
|
_tzset_js: __tzset_js,
|
|
/** @export */
|
|
abort: _abort,
|
|
/** @export */
|
|
emscripten_date_now: _emscripten_date_now,
|
|
/** @export */
|
|
emscripten_get_element_css_size: _emscripten_get_element_css_size,
|
|
/** @export */
|
|
emscripten_get_now: _emscripten_get_now,
|
|
/** @export */
|
|
emscripten_resize_heap: _emscripten_resize_heap,
|
|
/** @export */
|
|
emscripten_set_fullscreenchange_callback_on_thread: _emscripten_set_fullscreenchange_callback_on_thread,
|
|
/** @export */
|
|
emscripten_set_main_loop_arg: _emscripten_set_main_loop_arg,
|
|
/** @export */
|
|
emscripten_set_resize_callback_on_thread: _emscripten_set_resize_callback_on_thread,
|
|
/** @export */
|
|
emscripten_set_wheel_callback_on_thread: _emscripten_set_wheel_callback_on_thread,
|
|
/** @export */
|
|
environ_get: _environ_get,
|
|
/** @export */
|
|
environ_sizes_get: _environ_sizes_get,
|
|
/** @export */
|
|
exit: _exit,
|
|
/** @export */
|
|
fd_close: _fd_close,
|
|
/** @export */
|
|
fd_read: _fd_read,
|
|
/** @export */
|
|
fd_seek: _fd_seek,
|
|
/** @export */
|
|
fd_write: _fd_write,
|
|
/** @export */
|
|
glActiveTexture: _glActiveTexture,
|
|
/** @export */
|
|
glAttachShader: _glAttachShader,
|
|
/** @export */
|
|
glBindAttribLocation: _glBindAttribLocation,
|
|
/** @export */
|
|
glBindBuffer: _glBindBuffer,
|
|
/** @export */
|
|
glBindBufferBase: _glBindBufferBase,
|
|
/** @export */
|
|
glBindFramebuffer: _glBindFramebuffer,
|
|
/** @export */
|
|
glBindRenderbuffer: _glBindRenderbuffer,
|
|
/** @export */
|
|
glBindTexture: _glBindTexture,
|
|
/** @export */
|
|
glBindVertexArray: _glBindVertexArray,
|
|
/** @export */
|
|
glBindVertexArrayOES: _glBindVertexArrayOES,
|
|
/** @export */
|
|
glBlendEquation: _glBlendEquation,
|
|
/** @export */
|
|
glBlendEquationSeparate: _glBlendEquationSeparate,
|
|
/** @export */
|
|
glBlendFunc: _glBlendFunc,
|
|
/** @export */
|
|
glBlendFuncSeparate: _glBlendFuncSeparate,
|
|
/** @export */
|
|
glBufferData: _glBufferData,
|
|
/** @export */
|
|
glBufferSubData: _glBufferSubData,
|
|
/** @export */
|
|
glCheckFramebufferStatus: _glCheckFramebufferStatus,
|
|
/** @export */
|
|
glClear: _glClear,
|
|
/** @export */
|
|
glCompileShader: _glCompileShader,
|
|
/** @export */
|
|
glCreateProgram: _glCreateProgram,
|
|
/** @export */
|
|
glCreateShader: _glCreateShader,
|
|
/** @export */
|
|
glDeleteBuffers: _glDeleteBuffers,
|
|
/** @export */
|
|
glDeleteProgram: _glDeleteProgram,
|
|
/** @export */
|
|
glDeleteShader: _glDeleteShader,
|
|
/** @export */
|
|
glDeleteTextures: _glDeleteTextures,
|
|
/** @export */
|
|
glDeleteVertexArrays: _glDeleteVertexArrays,
|
|
/** @export */
|
|
glDeleteVertexArraysOES: _glDeleteVertexArraysOES,
|
|
/** @export */
|
|
glDetachShader: _glDetachShader,
|
|
/** @export */
|
|
glDisable: _glDisable,
|
|
/** @export */
|
|
glDrawElements: _glDrawElements,
|
|
/** @export */
|
|
glEnable: _glEnable,
|
|
/** @export */
|
|
glEnableVertexAttribArray: _glEnableVertexAttribArray,
|
|
/** @export */
|
|
glFramebufferRenderbuffer: _glFramebufferRenderbuffer,
|
|
/** @export */
|
|
glGenBuffers: _glGenBuffers,
|
|
/** @export */
|
|
glGenFramebuffers: _glGenFramebuffers,
|
|
/** @export */
|
|
glGenRenderbuffers: _glGenRenderbuffers,
|
|
/** @export */
|
|
glGenTextures: _glGenTextures,
|
|
/** @export */
|
|
glGenVertexArrays: _glGenVertexArrays,
|
|
/** @export */
|
|
glGenVertexArraysOES: _glGenVertexArraysOES,
|
|
/** @export */
|
|
glGenerateMipmap: _glGenerateMipmap,
|
|
/** @export */
|
|
glGetAttribLocation: _glGetAttribLocation,
|
|
/** @export */
|
|
glGetIntegerv: _glGetIntegerv,
|
|
/** @export */
|
|
glGetProgramInfoLog: _glGetProgramInfoLog,
|
|
/** @export */
|
|
glGetProgramiv: _glGetProgramiv,
|
|
/** @export */
|
|
glGetShaderInfoLog: _glGetShaderInfoLog,
|
|
/** @export */
|
|
glGetShaderiv: _glGetShaderiv,
|
|
/** @export */
|
|
glGetUniformBlockIndex: _glGetUniformBlockIndex,
|
|
/** @export */
|
|
glGetUniformLocation: _glGetUniformLocation,
|
|
/** @export */
|
|
glIsEnabled: _glIsEnabled,
|
|
/** @export */
|
|
glIsProgram: _glIsProgram,
|
|
/** @export */
|
|
glLinkProgram: _glLinkProgram,
|
|
/** @export */
|
|
glRenderbufferStorageMultisample: _glRenderbufferStorageMultisample,
|
|
/** @export */
|
|
glScissor: _glScissor,
|
|
/** @export */
|
|
glShaderSource: _glShaderSource,
|
|
/** @export */
|
|
glTexImage2D: _glTexImage2D,
|
|
/** @export */
|
|
glTexParameteri: _glTexParameteri,
|
|
/** @export */
|
|
glTexStorage2D: _glTexStorage2D,
|
|
/** @export */
|
|
glTexSubImage2D: _glTexSubImage2D,
|
|
/** @export */
|
|
glUniform1f: _glUniform1f,
|
|
/** @export */
|
|
glUniform1i: _glUniform1i,
|
|
/** @export */
|
|
glUniform4f: _glUniform4f,
|
|
/** @export */
|
|
glUniformBlockBinding: _glUniformBlockBinding,
|
|
/** @export */
|
|
glUniformMatrix4fv: _glUniformMatrix4fv,
|
|
/** @export */
|
|
glUseProgram: _glUseProgram,
|
|
/** @export */
|
|
glValidateProgram: _glValidateProgram,
|
|
/** @export */
|
|
glVertexAttribPointer: _glVertexAttribPointer,
|
|
/** @export */
|
|
glViewport: _glViewport,
|
|
/** @export */
|
|
glfwCreateStandardCursor: _glfwCreateStandardCursor,
|
|
/** @export */
|
|
glfwCreateWindow: _glfwCreateWindow,
|
|
/** @export */
|
|
glfwDestroyCursor: _glfwDestroyCursor,
|
|
/** @export */
|
|
glfwDestroyWindow: _glfwDestroyWindow,
|
|
/** @export */
|
|
glfwGetClipboardString: _glfwGetClipboardString,
|
|
/** @export */
|
|
glfwGetCursorPos: _glfwGetCursorPos,
|
|
/** @export */
|
|
glfwGetFramebufferSize: _glfwGetFramebufferSize,
|
|
/** @export */
|
|
glfwGetInputMode: _glfwGetInputMode,
|
|
/** @export */
|
|
glfwGetJoystickAxes: _glfwGetJoystickAxes,
|
|
/** @export */
|
|
glfwGetJoystickButtons: _glfwGetJoystickButtons,
|
|
/** @export */
|
|
glfwGetKey: _glfwGetKey,
|
|
/** @export */
|
|
glfwGetTime: _glfwGetTime,
|
|
/** @export */
|
|
glfwGetWindowSize: _glfwGetWindowSize,
|
|
/** @export */
|
|
glfwInit: _glfwInit,
|
|
/** @export */
|
|
glfwMakeContextCurrent: _glfwMakeContextCurrent,
|
|
/** @export */
|
|
glfwPollEvents: _glfwPollEvents,
|
|
/** @export */
|
|
glfwSetCharCallback: _glfwSetCharCallback,
|
|
/** @export */
|
|
glfwSetClipboardString: _glfwSetClipboardString,
|
|
/** @export */
|
|
glfwSetCursor: _glfwSetCursor,
|
|
/** @export */
|
|
glfwSetCursorEnterCallback: _glfwSetCursorEnterCallback,
|
|
/** @export */
|
|
glfwSetCursorPos: _glfwSetCursorPos,
|
|
/** @export */
|
|
glfwSetCursorPosCallback: _glfwSetCursorPosCallback,
|
|
/** @export */
|
|
glfwSetDropCallback: _glfwSetDropCallback,
|
|
/** @export */
|
|
glfwSetErrorCallback: _glfwSetErrorCallback,
|
|
/** @export */
|
|
glfwSetInputMode: _glfwSetInputMode,
|
|
/** @export */
|
|
glfwSetKeyCallback: _glfwSetKeyCallback,
|
|
/** @export */
|
|
glfwSetMonitorCallback: _glfwSetMonitorCallback,
|
|
/** @export */
|
|
glfwSetMouseButtonCallback: _glfwSetMouseButtonCallback,
|
|
/** @export */
|
|
glfwSetScrollCallback: _glfwSetScrollCallback,
|
|
/** @export */
|
|
glfwSetWindowFocusCallback: _glfwSetWindowFocusCallback,
|
|
/** @export */
|
|
glfwSetWindowSize: _glfwSetWindowSize,
|
|
/** @export */
|
|
glfwSwapBuffers: _glfwSwapBuffers,
|
|
/** @export */
|
|
glfwTerminate: _glfwTerminate,
|
|
/** @export */
|
|
glfwWindowHint: _glfwWindowHint,
|
|
/** @export */
|
|
strftime_l: _strftime_l
|
|
};
|
|
var wasmExports = createWasm();
|
|
var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors', 0);
|
|
var _main = Module['_main'] = createExportWrapper('__main_argc_argv', 2);
|
|
var _free = createExportWrapper('free', 1);
|
|
var _malloc = createExportWrapper('malloc', 1);
|
|
var _fflush = createExportWrapper('fflush', 1);
|
|
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 dynCall_viijii = Module['dynCall_viijii'] = createExportWrapper('dynCall_viijii', 7);
|
|
var dynCall_iiiiij = Module['dynCall_iiiiij'] = createExportWrapper('dynCall_iiiiij', 7);
|
|
var dynCall_iiiiijj = Module['dynCall_iiiiijj'] = createExportWrapper('dynCall_iiiiijj', 9);
|
|
var dynCall_iiiiiijj = Module['dynCall_iiiiiijj'] = createExportWrapper('dynCall_iiiiiijj', 10);
|
|
|
|
|
|
// include: postamble.js
|
|
// === Auto-generated postamble setup entry stuff ===
|
|
|
|
var missingLibrarySymbols = [
|
|
'writeI53ToI64Clamped',
|
|
'writeI53ToI64Signaling',
|
|
'writeI53ToU64Clamped',
|
|
'writeI53ToU64Signaling',
|
|
'convertI32PairToI53',
|
|
'convertU32PairToI53',
|
|
'getTempRet0',
|
|
'setTempRet0',
|
|
'growMemory',
|
|
'inetPton4',
|
|
'inetNtop4',
|
|
'inetPton6',
|
|
'inetNtop6',
|
|
'readSockaddr',
|
|
'writeSockaddr',
|
|
'emscriptenLog',
|
|
'readEmAsmArgs',
|
|
'listenOnce',
|
|
'autoResumeAudioContext',
|
|
'dynCallLegacy',
|
|
'getDynCaller',
|
|
'dynCall',
|
|
'runtimeKeepalivePush',
|
|
'runtimeKeepalivePop',
|
|
'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',
|
|
'UTF16ToString',
|
|
'stringToUTF16',
|
|
'lengthBytesUTF16',
|
|
'UTF32ToString',
|
|
'stringToUTF32',
|
|
'lengthBytesUTF32',
|
|
'registerKeyEventCallback',
|
|
'registerMouseEventCallback',
|
|
'registerFocusEventCallback',
|
|
'fillDeviceOrientationEventData',
|
|
'registerDeviceOrientationEventCallback',
|
|
'fillDeviceMotionEventData',
|
|
'registerDeviceMotionEventCallback',
|
|
'screenOrientation',
|
|
'fillOrientationChangeEventData',
|
|
'registerOrientationChangeEventCallback',
|
|
'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',
|
|
'setImmediateWrapped',
|
|
'clearImmediateWrapped',
|
|
'polyfillSetImmediate',
|
|
'getPromise',
|
|
'makePromise',
|
|
'idsToPromises',
|
|
'makePromiseCallback',
|
|
'findMatchingCatch',
|
|
'Browser_asyncPrepareDataCounter',
|
|
'getSocketFromFD',
|
|
'getSocketAddress',
|
|
'FS_unlink',
|
|
'FS_mkdirTree',
|
|
'_setNetworkCallback',
|
|
'emscriptenWebGLGetUniform',
|
|
'emscriptenWebGLGetVertexAttrib',
|
|
'__glGetActiveAttribOrUniform',
|
|
'writeGLArray',
|
|
'registerWebGlEventCallback',
|
|
'runAndAbortIfError',
|
|
'emscriptenWebGLGetIndexed',
|
|
'ALLOC_NORMAL',
|
|
'ALLOC_STACK',
|
|
'allocate',
|
|
'writeStringToMemory',
|
|
'writeAsciiToMemory',
|
|
'setErrNo',
|
|
'demangle',
|
|
'stackTrace',
|
|
];
|
|
missingLibrarySymbols.forEach(missingLibrarySymbol)
|
|
|
|
var unexportedSymbols = [
|
|
'run',
|
|
'addOnPreRun',
|
|
'addOnInit',
|
|
'addOnPreMain',
|
|
'addOnExit',
|
|
'addOnPostRun',
|
|
'addRunDependency',
|
|
'removeRunDependency',
|
|
'FS_createFolder',
|
|
'FS_createPath',
|
|
'FS_createLazyFile',
|
|
'FS_createLink',
|
|
'FS_createDevice',
|
|
'FS_readFile',
|
|
'out',
|
|
'err',
|
|
'callMain',
|
|
'abort',
|
|
'wasmMemory',
|
|
'wasmExports',
|
|
'writeStackCookie',
|
|
'checkStackCookie',
|
|
'writeI53ToI64',
|
|
'readI53FromI64',
|
|
'readI53FromU64',
|
|
'convertI32PairToI53Checked',
|
|
'stackSave',
|
|
'stackRestore',
|
|
'stackAlloc',
|
|
'ptrToString',
|
|
'zeroMemory',
|
|
'exitJS',
|
|
'getHeapMax',
|
|
'abortOnCannotGrowMemory',
|
|
'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_q',
|
|
'jstoi_s',
|
|
'getExecutableName',
|
|
'handleException',
|
|
'keepRuntimeAlive',
|
|
'callUserCallback',
|
|
'maybeExit',
|
|
'asyncLoad',
|
|
'alignMemory',
|
|
'mmapAlloc',
|
|
'wasmTable',
|
|
'noExitRuntime',
|
|
'freeTableIndexes',
|
|
'functionsInTableMap',
|
|
'setValue',
|
|
'getValue',
|
|
'PATH',
|
|
'PATH_FS',
|
|
'UTF8Decoder',
|
|
'UTF8ArrayToString',
|
|
'UTF8ToString',
|
|
'stringToUTF8Array',
|
|
'stringToUTF8',
|
|
'lengthBytesUTF8',
|
|
'intArrayFromString',
|
|
'stringToAscii',
|
|
'UTF16Decoder',
|
|
'stringToNewUTF8',
|
|
'stringToUTF8OnStack',
|
|
'writeArrayToMemory',
|
|
'JSEvents',
|
|
'specialHTMLTargets',
|
|
'maybeCStringToJsString',
|
|
'findEventTarget',
|
|
'findCanvasEventTarget',
|
|
'getBoundingClientRect',
|
|
'fillMouseEventData',
|
|
'registerWheelEventCallback',
|
|
'registerUiEventCallback',
|
|
'fillFullscreenChangeEventData',
|
|
'registerFullscreenChangeEventCallback',
|
|
'currentFullscreenStrategy',
|
|
'restoreOldWindowedStyle',
|
|
'UNWIND_CACHE',
|
|
'ExitStatus',
|
|
'getEnvStrings',
|
|
'doReadv',
|
|
'doWritev',
|
|
'safeSetTimeout',
|
|
'promiseMap',
|
|
'uncaughtExceptionCount',
|
|
'exceptionLast',
|
|
'exceptionCaught',
|
|
'ExceptionInfo',
|
|
'Browser',
|
|
'setMainLoop',
|
|
'getPreloadedImageData__data',
|
|
'wget',
|
|
'SYSCALLS',
|
|
'preloadPlugins',
|
|
'FS_createPreloadedFile',
|
|
'FS_modeStringToFlags',
|
|
'FS_getMode',
|
|
'FS_stdin_getChar_buffer',
|
|
'FS_stdin_getChar',
|
|
'FS',
|
|
'FS_createDataFile',
|
|
'MEMFS',
|
|
'TTY',
|
|
'PIPEFS',
|
|
'SOCKFS',
|
|
'tempFixedLengthArray',
|
|
'miniTempWebGLFloatBuffers',
|
|
'miniTempWebGLIntBuffers',
|
|
'heapObjectForWebGLType',
|
|
'toTypedArrayIndex',
|
|
'webgl_enable_ANGLE_instanced_arrays',
|
|
'webgl_enable_OES_vertex_array_object',
|
|
'webgl_enable_WEBGL_draw_buffers',
|
|
'webgl_enable_WEBGL_multi_draw',
|
|
'GL',
|
|
'emscriptenWebGLGet',
|
|
'computeUnpackAlignedImageSize',
|
|
'colorChannelsInGlTextureFormat',
|
|
'emscriptenWebGLGetTexPixelData',
|
|
'webglGetUniformLocation',
|
|
'webglPrepareUniformLocationsBeforeFirstUse',
|
|
'webglGetLeftBracePos',
|
|
'AL',
|
|
'GLUT',
|
|
'EGL',
|
|
'GLEW',
|
|
'IDBStore',
|
|
'SDL',
|
|
'SDL_gfx',
|
|
'GLFW_Window',
|
|
'GLFW',
|
|
'webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance',
|
|
'webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance',
|
|
'allocateUTF8',
|
|
'allocateUTF8OnStack',
|
|
];
|
|
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(args = []) {
|
|
assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
|
|
assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
|
|
|
|
var entryFunction = _main;
|
|
|
|
args.unshift(thisProgram);
|
|
|
|
var argc = args.length;
|
|
var argv = stackAlloc((argc + 1) * 4);
|
|
var argv_ptr = argv;
|
|
args.forEach((arg) => {
|
|
HEAPU32[((argv_ptr)>>2)] = stringToUTF8OnStack(arg);
|
|
argv_ptr += 4;
|
|
});
|
|
HEAPU32[((argv_ptr)>>2)] = 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(args = arguments_) {
|
|
|
|
if (runDependencies > 0) {
|
|
return;
|
|
}
|
|
|
|
stackCheckInit();
|
|
|
|
preRun();
|
|
|
|
// a preRun added a dependency, run will be called later
|
|
if (runDependencies > 0) {
|
|
return;
|
|
}
|
|
|
|
function doRun() {
|
|
// run may have just been called through dependencies being fulfilled just in this very frame,
|
|
// or while the async setStatus time below was happening
|
|
if (calledRun) return;
|
|
calledRun = true;
|
|
Module['calledRun'] = true;
|
|
|
|
if (ABORT) return;
|
|
|
|
initRuntime();
|
|
|
|
preMain();
|
|
|
|
if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
|
|
|
|
if (shouldRunNow) callMain(args);
|
|
|
|
postRun();
|
|
}
|
|
|
|
if (Module['setStatus']) {
|
|
Module['setStatus']('Running...');
|
|
setTimeout(function() {
|
|
setTimeout(function() {
|
|
Module['setStatus']('');
|
|
}, 1);
|
|
doRun();
|
|
}, 1);
|
|
} else
|
|
{
|
|
doRun();
|
|
}
|
|
checkStackCookie();
|
|
}
|
|
|
|
function checkUnflushedContent() {
|
|
// Compiler settings do not allow exiting the runtime, so flushing
|
|
// the streams is not possible. but in ASSERTIONS mode we check
|
|
// if there was something to flush, and if so tell the user they
|
|
// should request that the runtime be exitable.
|
|
// Normally we would not even include flush() at all, but in ASSERTIONS
|
|
// builds we do so just for this check, and here we see if there is any
|
|
// content to flush, that is, we check if there would have been
|
|
// something a non-ASSERTIONS build would have not seen.
|
|
// How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0
|
|
// mode (which has its own special function for this; otherwise, all
|
|
// the code is inside libc)
|
|
var oldOut = out;
|
|
var oldErr = err;
|
|
var has = false;
|
|
out = err = (x) => {
|
|
has = true;
|
|
}
|
|
try { // it doesn't matter if it fails
|
|
_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
|
|
|