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8744 lines
314 KiB
JavaScript
8744 lines
314 KiB
JavaScript
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var rhino3dm = (() => {
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var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
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if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
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return (
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function(config) {
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var rhino3dm = config || {};
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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(Module) { ..generated code.. }
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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 rhino3dm != 'undefined' ? rhino3dm : {};
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// See https://caniuse.com/mdn-javascript_builtins_object_assign
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// See https://caniuse.com/mdn-javascript_builtins_bigint64array
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// Set up the promise that indicates the Module is initialized
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var readyPromiseResolve, readyPromiseReject;
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Module['ready'] = new Promise(function(resolve, reject) {
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readyPromiseResolve = resolve;
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readyPromiseReject = reject;
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});
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["_main","_fflush","___getTypeName","__embind_initialize_bindings","onRuntimeInitialized"].forEach((prop) => {
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if (!Object.getOwnPropertyDescriptor(Module['ready'], prop)) {
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Object.defineProperty(Module['ready'], prop, {
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get: () => abort('You are getting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'),
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set: () => abort('You are setting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'),
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});
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}
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});
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// --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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// {{PRE_JSES}}
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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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// 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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// `/` 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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setWindowTitle;
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// Normally we don't log exceptions but instead let them bubble out the top
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// level where the embedding environment (e.g. the browser) can handle
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// them.
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// However under v8 and node we sometimes exit the process direcly in which case
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// its up to use us to log the exception before exiting.
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// If we fix https://github.com/emscripten-core/emscripten/issues/15080
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// this may no longer be needed under node.
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function logExceptionOnExit(e) {
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if (e instanceof ExitStatus) return;
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let toLog = e;
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if (e && typeof e == 'object' && e.stack) {
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toLog = [e, e.stack];
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}
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err('exiting due to exception: ' + toLog);
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}
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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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// `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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// 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) => {
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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, function(err, data) {
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if (err) onerror(err);
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else onload(data.buffer);
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});
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};
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// end include: node_shell_read.js
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if (process['argv'].length > 1) {
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thisProgram = process['argv'][1].replace(/\\/g, '/');
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}
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arguments_ = process['argv'].slice(2);
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// MODULARIZE will export the module in the proper place outside, we don't need to export here
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process['on']('uncaughtException', function(ex) {
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// suppress ExitStatus exceptions from showing an error
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if (!(ex instanceof ExitStatus)) {
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throw ex;
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}
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});
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// Without this older versions of node (< v15) will log unhandled rejections
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// but return 0, which is not normally the desired behaviour. This is
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// not be needed with node v15 and about because it is now the default
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// behaviour:
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// See https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode
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process['on']('unhandledRejection', function(reason) { throw reason; });
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quit_ = (status, toThrow) => {
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if (keepRuntimeAlive()) {
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process['exitCode'] = status;
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throw toThrow;
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}
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logExceptionOnExit(toThrow);
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process['exit'](status);
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};
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Module['inspect'] = function () { return '[Emscripten Module object]'; };
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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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if (typeof read != 'undefined') {
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read_ = function shell_read(f) {
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return read(f);
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};
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}
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readBinary = function readBinary(f) {
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let data;
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if (typeof readbuffer == 'function') {
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return new Uint8Array(readbuffer(f));
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}
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data = read(f, 'binary');
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assert(typeof data == 'object');
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return data;
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};
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readAsync = function readAsync(f, onload, onerror) {
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setTimeout(() => onload(readBinary(f)), 0);
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};
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if (typeof scriptArgs != 'undefined') {
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arguments_ = scriptArgs;
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} else if (typeof arguments != 'undefined') {
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arguments_ = arguments;
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}
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if (typeof quit == 'function') {
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quit_ = (status, toThrow) => {
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logExceptionOnExit(toThrow);
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quit(status);
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};
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}
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if (typeof print != 'undefined') {
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// Prefer to use print/printErr where they exist, as they usually work better.
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if (typeof console == 'undefined') console = /** @type{!Console} */({});
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console.log = /** @type{!function(this:Console, ...*): undefined} */ (print);
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console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print);
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}
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} else
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// Note that this includes Node.js workers when relevant (pthreads is enabled).
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// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
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// ENVIRONMENT_IS_NODE.
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if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
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if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
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scriptDirectory = self.location.href;
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} else if (typeof document != 'undefined' && document.currentScript) { // web
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scriptDirectory = document.currentScript.src;
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}
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// When MODULARIZE, this JS may be executed later, after document.currentScript
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// is gone, so we saved it, and we use it here instead of any other info.
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if (_scriptDir) {
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scriptDirectory = _scriptDir;
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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.indexOf('blob:') !== 0) {
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scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1);
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} else {
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scriptDirectory = '';
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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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// Differentiate the Web Worker from the Node Worker case, as reading must
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// be done differently.
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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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setWindowTitle = (title) => document.title = title;
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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.warn.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 e.g. in memoryInitializerRequest, which is a large typed array.
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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 setWindowTitle 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('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 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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// include: support.js
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var STACK_ALIGN = 16;
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var POINTER_SIZE = 4;
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function getNativeTypeSize(type) {
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switch (type) {
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case 'i1': case 'i8': case 'u8': return 1;
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case 'i16': case 'u16': return 2;
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case 'i32': case 'u32': return 4;
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case 'i64': case 'u64': return 8;
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case 'float': return 4;
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|
case 'double': return 8;
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|
default: {
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if (type[type.length - 1] === '*') {
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return POINTER_SIZE;
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|
}
|
|
if (type[0] === 'i') {
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const bits = Number(type.substr(1));
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assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type);
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return bits / 8;
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}
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|
return 0;
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}
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}
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}
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|
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// include: runtime_debug.js
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|
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function legacyModuleProp(prop, newName) {
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if (!Object.getOwnPropertyDescriptor(Module, prop)) {
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Object.defineProperty(Module, prop, {
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configurable: true,
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get: function() {
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abort('Module.' + prop + ' has been replaced with plain ' + newName + ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)');
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}
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});
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}
|
|
}
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|
|
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function ignoredModuleProp(prop) {
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|
if (Object.getOwnPropertyDescriptor(Module, prop)) {
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abort('`Module.' + prop + '` was supplied but `' + prop + '` not included in INCOMING_MODULE_JS_API');
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|
}
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|
}
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|
|
|
// forcing the filesystem exports a few things by default
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|
function isExportedByForceFilesystem(name) {
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|
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';
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|
}
|
|
|
|
function missingGlobal(sym, msg) {
|
|
Object.defineProperty(globalThis, sym, {
|
|
configurable: true,
|
|
get: function() {
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|
warnOnce('`' + sym + '` is not longer defined by emscripten. ' + msg);
|
|
return undefined;
|
|
}
|
|
});
|
|
}
|
|
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|
missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer');
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|
|
|
function missingLibrarySymbol(sym) {
|
|
if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
|
|
Object.defineProperty(globalThis, sym, {
|
|
configurable: true,
|
|
get: function() {
|
|
// 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)) {
|
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msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
|
|
}
|
|
warnOnce(msg);
|
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return undefined;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
function unexportedRuntimeSymbol(sym) {
|
|
if (!Object.getOwnPropertyDescriptor(Module, sym)) {
|
|
Object.defineProperty(Module, sym, {
|
|
configurable: true,
|
|
get: function() {
|
|
var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)";
|
|
if (isExportedByForceFilesystem(sym)) {
|
|
msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
|
|
}
|
|
abort(msg);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
// end include: runtime_debug.js
|
|
// end include: support.js
|
|
|
|
|
|
|
|
// === Preamble library stuff ===
|
|
|
|
// Documentation for the public APIs defined in this file must be updated in:
|
|
// site/source/docs/api_reference/preamble.js.rst
|
|
// A prebuilt local version of the documentation is available at:
|
|
// site/build/text/docs/api_reference/preamble.js.txt
|
|
// You can also build docs locally as HTML or other formats in site/
|
|
// An online HTML version (which may be of a different version of Emscripten)
|
|
// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
|
|
|
|
var wasmBinary;
|
|
if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary');
|
|
var noExitRuntime = Module['noExitRuntime'] || true;legacyModuleProp('noExitRuntime', 'noExitRuntime');
|
|
|
|
if (typeof WebAssembly != 'object') {
|
|
abort('no native wasm support detected');
|
|
}
|
|
|
|
// Wasm globals
|
|
|
|
var wasmMemory;
|
|
|
|
//========================================
|
|
// Runtime essentials
|
|
//========================================
|
|
|
|
// whether we are quitting the application. no code should run after this.
|
|
// set in exit() and abort()
|
|
var ABORT = false;
|
|
|
|
// set by exit() and abort(). Passed to 'onExit' handler.
|
|
// NOTE: This is also used as the process return code code in shell environments
|
|
// but only when noExitRuntime is false.
|
|
var EXITSTATUS;
|
|
|
|
/** @type {function(*, string=)} */
|
|
function assert(condition, text) {
|
|
if (!condition) {
|
|
abort('Assertion failed' + (text ? ': ' + text : ''));
|
|
}
|
|
}
|
|
|
|
// We used to include malloc/free by default in the past. Show a helpful error in
|
|
// builds with assertions.
|
|
|
|
// include: runtime_strings.js
|
|
|
|
|
|
// runtime_strings.js: String related runtime functions that are part of both
|
|
// MINIMAL_RUNTIME and regular runtime.
|
|
|
|
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}
|
|
*/
|
|
function 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}
|
|
*/
|
|
function UTF8ToString(ptr, maxBytesToRead) {
|
|
return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
|
|
}
|
|
|
|
/**
|
|
* Copies the given Javascript String object 'str' to the given byte array at
|
|
* address 'outIdx', encoded in UTF8 form and null-terminated. The copy will
|
|
* require at most str.length*4+1 bytes of space in the HEAP. Use the function
|
|
* lengthBytesUTF8 to compute the exact number of bytes (excluding null
|
|
* terminator) that this function will write.
|
|
*
|
|
* @param {string} str - The Javascript string to copy.
|
|
* @param {ArrayBufferView|Array<number>} heap - The array to copy to. Each
|
|
* index in this array is assumed
|
|
* to be one 8-byte element.
|
|
* @param {number} outIdx - The starting offset in the array to begin the copying.
|
|
* @param {number} maxBytesToWrite - The maximum number of bytes this function
|
|
* can write to the array. This count should
|
|
* include the null terminator, i.e. if
|
|
* maxBytesToWrite=1, only the null terminator
|
|
* will be written and nothing else.
|
|
* maxBytesToWrite=0 does not write any bytes
|
|
* to the output, not even the null
|
|
* terminator.
|
|
* @return {number} The number of bytes written, EXCLUDING the null terminator.
|
|
*/
|
|
function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
|
|
// 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;
|
|
}
|
|
|
|
/**
|
|
* Copies the given Javascript String object 'str' to the emscripten HEAP at
|
|
* address 'outPtr', null-terminated and encoded in UTF8 form. The copy will
|
|
* require at most str.length*4+1 bytes of space in the HEAP.
|
|
* Use the function lengthBytesUTF8 to compute the exact number of bytes
|
|
* (excluding null terminator) that this function will write.
|
|
*
|
|
* @return {number} The number of bytes written, EXCLUDING the null terminator.
|
|
*/
|
|
function 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);
|
|
}
|
|
|
|
/**
|
|
* Returns the number of bytes the given Javascript string takes if encoded as a
|
|
* UTF8 byte array, EXCLUDING the null terminator byte.
|
|
*
|
|
* @param {string} str - JavaScript string to operator on
|
|
* @return {number} Length, in bytes, of the UTF8 encoded string.
|
|
*/
|
|
function 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;
|
|
}
|
|
|
|
// end include: runtime_strings.js
|
|
// Memory management
|
|
|
|
var HEAP,
|
|
/** @type {!Int8Array} */
|
|
HEAP8,
|
|
/** @type {!Uint8Array} */
|
|
HEAPU8,
|
|
/** @type {!Int16Array} */
|
|
HEAP16,
|
|
/** @type {!Uint16Array} */
|
|
HEAPU16,
|
|
/** @type {!Int32Array} */
|
|
HEAP32,
|
|
/** @type {!Uint32Array} */
|
|
HEAPU32,
|
|
/** @type {!Float32Array} */
|
|
HEAPF32,
|
|
/** @type {!Float64Array} */
|
|
HEAPF64;
|
|
|
|
function updateMemoryViews() {
|
|
var b = wasmMemory.buffer;
|
|
Module['HEAP8'] = HEAP8 = new Int8Array(b);
|
|
Module['HEAP16'] = HEAP16 = new Int16Array(b);
|
|
Module['HEAP32'] = HEAP32 = new Int32Array(b);
|
|
Module['HEAPU8'] = HEAPU8 = new Uint8Array(b);
|
|
Module['HEAPU16'] = HEAPU16 = new Uint16Array(b);
|
|
Module['HEAPU32'] = HEAPU32 = new Uint32Array(b);
|
|
Module['HEAPF32'] = HEAPF32 = new Float32Array(b);
|
|
Module['HEAPF64'] = HEAPF64 = new Float64Array(b);
|
|
}
|
|
|
|
var STACK_SIZE = 65536;
|
|
if (Module['STACK_SIZE']) assert(STACK_SIZE === Module['STACK_SIZE'], 'the stack size can no longer be determined at runtime')
|
|
|
|
var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216;legacyModuleProp('INITIAL_MEMORY', 'INITIAL_MEMORY');
|
|
|
|
assert(INITIAL_MEMORY >= STACK_SIZE, 'INITIAL_MEMORY should be larger than STACK_SIZE, was ' + INITIAL_MEMORY + '! (STACK_SIZE=' + STACK_SIZE + ')');
|
|
|
|
// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
|
|
assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined,
|
|
'JS engine does not provide full typed array support');
|
|
|
|
// If memory is defined in wasm, the user can't provide it.
|
|
assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally');
|
|
assert(INITIAL_MEMORY == 16777216, 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically');
|
|
|
|
// include: runtime_init_table.js
|
|
// In regular non-RELOCATABLE mode the table is exported
|
|
// from the wasm module and this will be assigned once
|
|
// the exports are available.
|
|
var wasmTable;
|
|
|
|
// end include: runtime_init_table.js
|
|
// include: runtime_stack_check.js
|
|
|
|
|
|
// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
|
|
function writeStackCookie() {
|
|
var max = _emscripten_stack_get_end();
|
|
assert((max & 3) == 0);
|
|
// If the stack ends at address zero we write our cookies 4 bytes into the
|
|
// stack. This prevents interference with the (separate) address-zero check
|
|
// below.
|
|
if (max == 0) {
|
|
max += 4;
|
|
}
|
|
// The stack grow downwards towards _emscripten_stack_get_end.
|
|
// We write cookies to the final two words in the stack and detect if they are
|
|
// ever overwritten.
|
|
HEAPU32[((max)>>2)] = 0x2135467;
|
|
HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE;
|
|
// Also test the global address 0 for integrity.
|
|
HEAPU32[0] = 0x63736d65; /* 'emsc' */
|
|
}
|
|
|
|
function checkStackCookie() {
|
|
if (ABORT) return;
|
|
var max = _emscripten_stack_get_end();
|
|
// See writeStackCookie().
|
|
if (max == 0) {
|
|
max += 4;
|
|
}
|
|
var cookie1 = HEAPU32[((max)>>2)];
|
|
var cookie2 = HEAPU32[(((max)+(4))>>2)];
|
|
if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) {
|
|
abort('Stack overflow! Stack cookie has been overwritten at ' + ptrToString(max) + ', expected hex dwords 0x89BACDFE and 0x2135467, but received ' + ptrToString(cookie2) + ' ' + ptrToString(cookie1));
|
|
}
|
|
// Also test the global address 0 for integrity.
|
|
if (HEAPU32[0] !== 0x63736d65 /* 'emsc' */) {
|
|
abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
|
|
}
|
|
}
|
|
|
|
// end include: runtime_stack_check.js
|
|
// include: runtime_assertions.js
|
|
|
|
|
|
// Endianness check
|
|
(function() {
|
|
var h16 = new Int16Array(1);
|
|
var h8 = new Int8Array(h16.buffer);
|
|
h16[0] = 0x6373;
|
|
if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)';
|
|
})();
|
|
|
|
// end include: runtime_assertions.js
|
|
var __ATPRERUN__ = []; // functions called before the runtime is initialized
|
|
var __ATINIT__ = []; // functions called during startup
|
|
var __ATEXIT__ = []; // functions called during shutdown
|
|
var __ATPOSTRUN__ = []; // functions called after the main() is called
|
|
|
|
var runtimeInitialized = false;
|
|
|
|
function keepRuntimeAlive() {
|
|
return noExitRuntime;
|
|
}
|
|
|
|
function preRun() {
|
|
|
|
if (Module['preRun']) {
|
|
if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
|
|
while (Module['preRun'].length) {
|
|
addOnPreRun(Module['preRun'].shift());
|
|
}
|
|
}
|
|
|
|
callRuntimeCallbacks(__ATPRERUN__);
|
|
}
|
|
|
|
function initRuntime() {
|
|
assert(!runtimeInitialized);
|
|
runtimeInitialized = true;
|
|
|
|
checkStackCookie();
|
|
|
|
SOCKFS.root = FS.mount(SOCKFS, {}, null);
|
|
|
|
if (!Module["noFSInit"] && !FS.init.initialized)
|
|
FS.init();
|
|
FS.ignorePermissions = false;
|
|
|
|
TTY.init();
|
|
callRuntimeCallbacks(__ATINIT__);
|
|
}
|
|
|
|
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 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++;
|
|
|
|
if (Module['monitorRunDependencies']) {
|
|
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(function() {
|
|
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--;
|
|
|
|
if (Module['monitorRunDependencies']) {
|
|
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) {
|
|
if (Module['onAbort']) {
|
|
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
|
|
// defintion for WebAssembly.RuntimeError claims it takes no arguments even
|
|
// though it can.
|
|
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
|
|
/** @suppress {checkTypes} */
|
|
var e = new WebAssembly.RuntimeError(what);
|
|
|
|
readyPromiseReject(e);
|
|
// Throw the error whether or not MODULARIZE is set because abort is used
|
|
// in code paths apart from instantiation where an exception is expected
|
|
// to be thrown when abort is called.
|
|
throw e;
|
|
}
|
|
|
|
// {{MEM_INITIALIZER}}
|
|
|
|
// 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.
|
|
function isDataURI(filename) {
|
|
// Prefix of data URIs emitted by SINGLE_FILE and related options.
|
|
return filename.startsWith(dataURIPrefix);
|
|
}
|
|
|
|
// Indicates whether filename is delivered via file protocol (as opposed to http/https)
|
|
function isFileURI(filename) {
|
|
return filename.startsWith('file://');
|
|
}
|
|
|
|
// end include: URIUtils.js
|
|
/** @param {boolean=} fixedasm */
|
|
function createExportWrapper(name, fixedasm) {
|
|
return function() {
|
|
var displayName = name;
|
|
var asm = fixedasm;
|
|
if (!fixedasm) {
|
|
asm = Module['asm'];
|
|
}
|
|
assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization');
|
|
if (!asm[name]) {
|
|
assert(asm[name], 'exported native function `' + displayName + '` not found');
|
|
}
|
|
return asm[name].apply(null, arguments);
|
|
};
|
|
}
|
|
|
|
var wasmBinaryFile;
|
|
wasmBinaryFile = 'rhino3dm.wasm';
|
|
if (!isDataURI(wasmBinaryFile)) {
|
|
wasmBinaryFile = locateFile(wasmBinaryFile);
|
|
}
|
|
|
|
function getBinary(file) {
|
|
try {
|
|
if (file == wasmBinaryFile && wasmBinary) {
|
|
return new Uint8Array(wasmBinary);
|
|
}
|
|
if (readBinary) {
|
|
return readBinary(file);
|
|
}
|
|
throw "both async and sync fetching of the wasm failed";
|
|
}
|
|
catch (err) {
|
|
abort(err);
|
|
}
|
|
}
|
|
|
|
function getBinaryPromise() {
|
|
// If we don't have the binary yet, try to 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(wasmBinaryFile)
|
|
) {
|
|
return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) {
|
|
if (!response['ok']) {
|
|
throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
|
|
}
|
|
return response['arrayBuffer']();
|
|
}).catch(function () {
|
|
return getBinary(wasmBinaryFile);
|
|
});
|
|
}
|
|
else {
|
|
if (readAsync) {
|
|
// fetch is not available or url is file => try XHR (readAsync uses XHR internally)
|
|
return new Promise(function(resolve, reject) {
|
|
readAsync(wasmBinaryFile, function(response) { resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))) }, reject)
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
// Otherwise, getBinary should be able to get it synchronously
|
|
return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); });
|
|
}
|
|
|
|
// Create the wasm instance.
|
|
// Receives the wasm imports, returns the exports.
|
|
function createWasm() {
|
|
// prepare imports
|
|
var info = {
|
|
'env': asmLibraryArg,
|
|
'wasi_snapshot_preview1': asmLibraryArg,
|
|
};
|
|
// 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) {
|
|
var exports = instance.exports;
|
|
|
|
Module['asm'] = exports;
|
|
|
|
wasmMemory = Module['asm']['memory'];
|
|
assert(wasmMemory, "memory not found in wasm exports");
|
|
// This assertion doesn't hold when emscripten is run in --post-link
|
|
// mode.
|
|
// TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode.
|
|
//assert(wasmMemory.buffer.byteLength === 16777216);
|
|
updateMemoryViews();
|
|
|
|
wasmTable = Module['asm']['__indirect_function_table'];
|
|
assert(wasmTable, "table not found in wasm exports");
|
|
|
|
addOnInit(Module['asm']['__wasm_call_ctors']);
|
|
|
|
removeRunDependency('wasm-instantiate');
|
|
|
|
}
|
|
// 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 USE_PTHREADS-enabled path.
|
|
receiveInstance(result['instance']);
|
|
}
|
|
|
|
function instantiateArrayBuffer(receiver) {
|
|
return getBinaryPromise().then(function(binary) {
|
|
return WebAssembly.instantiate(binary, info);
|
|
}).then(function (instance) {
|
|
return instance;
|
|
}).then(receiver, function(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() {
|
|
if (!wasmBinary &&
|
|
typeof WebAssembly.instantiateStreaming == 'function' &&
|
|
!isDataURI(wasmBinaryFile) &&
|
|
// Don't use streaming for file:// delivered objects in a webview, fetch them synchronously.
|
|
!isFileURI(wasmBinaryFile) &&
|
|
// 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(wasmBinaryFile, { credentials: 'same-origin' }).then(function(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, info);
|
|
|
|
return result.then(
|
|
receiveInstantiationResult,
|
|
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(receiveInstantiationResult);
|
|
});
|
|
});
|
|
} else {
|
|
return instantiateArrayBuffer(receiveInstantiationResult);
|
|
}
|
|
}
|
|
|
|
// 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 {
|
|
var exports = Module['instantiateWasm'](info, receiveInstance);
|
|
return exports;
|
|
} catch(e) {
|
|
err('Module.instantiateWasm callback failed with error: ' + e);
|
|
// If instantiation fails, reject the module ready promise.
|
|
readyPromiseReject(e);
|
|
}
|
|
}
|
|
|
|
// If instantiation fails, reject the module ready promise.
|
|
instantiateAsync().catch(readyPromiseReject);
|
|
return {}; // no exports yet; we'll fill them in later
|
|
}
|
|
|
|
// Globals used by JS i64 conversions (see makeSetValue)
|
|
var tempDouble;
|
|
var tempI64;
|
|
|
|
// === Body ===
|
|
|
|
var ASM_CONSTS = {
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
/** @constructor */
|
|
function ExitStatus(status) {
|
|
this.name = 'ExitStatus';
|
|
this.message = 'Program terminated with exit(' + status + ')';
|
|
this.status = status;
|
|
}
|
|
|
|
function 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)>>0)];
|
|
case 'i8': return HEAP8[((ptr)>>0)];
|
|
case 'i16': return HEAP16[((ptr)>>1)];
|
|
case 'i32': return HEAP32[((ptr)>>2)];
|
|
case 'i64': return HEAP32[((ptr)>>2)];
|
|
case 'float': return HEAPF32[((ptr)>>2)];
|
|
case 'double': return HEAPF64[((ptr)>>3)];
|
|
case '*': return HEAPU32[((ptr)>>2)];
|
|
default: abort('invalid type for getValue: ' + type);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function ptrToString(ptr) {
|
|
assert(typeof ptr === 'number');
|
|
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)>>0)] = value; break;
|
|
case 'i8': HEAP8[((ptr)>>0)] = value; break;
|
|
case 'i16': HEAP16[((ptr)>>1)] = value; break;
|
|
case 'i32': HEAP32[((ptr)>>2)] = value; break;
|
|
case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)] = tempI64[0],HEAP32[(((ptr)+(4))>>2)] = tempI64[1]); break;
|
|
case 'float': HEAPF32[((ptr)>>2)] = value; break;
|
|
case 'double': HEAPF64[((ptr)>>3)] = value; break;
|
|
case '*': HEAPU32[((ptr)>>2)] = value; break;
|
|
default: abort('invalid type for setValue: ' + type);
|
|
}
|
|
}
|
|
|
|
function warnOnce(text) {
|
|
if (!warnOnce.shown) warnOnce.shown = {};
|
|
if (!warnOnce.shown[text]) {
|
|
warnOnce.shown[text] = 1;
|
|
if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
|
|
err(text);
|
|
}
|
|
}
|
|
|
|
function ___assert_fail(condition, filename, line, func) {
|
|
abort('Assertion failed: ' + UTF8ToString(condition) + ', at: ' + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']);
|
|
}
|
|
|
|
/** @constructor */
|
|
function ExceptionInfo(excPtr) {
|
|
this.excPtr = excPtr;
|
|
this.ptr = excPtr - 24;
|
|
|
|
this.set_type = function(type) {
|
|
HEAPU32[(((this.ptr)+(4))>>2)] = type;
|
|
};
|
|
|
|
this.get_type = function() {
|
|
return HEAPU32[(((this.ptr)+(4))>>2)];
|
|
};
|
|
|
|
this.set_destructor = function(destructor) {
|
|
HEAPU32[(((this.ptr)+(8))>>2)] = destructor;
|
|
};
|
|
|
|
this.get_destructor = function() {
|
|
return HEAPU32[(((this.ptr)+(8))>>2)];
|
|
};
|
|
|
|
this.set_refcount = function(refcount) {
|
|
HEAP32[((this.ptr)>>2)] = refcount;
|
|
};
|
|
|
|
this.set_caught = function (caught) {
|
|
caught = caught ? 1 : 0;
|
|
HEAP8[(((this.ptr)+(12))>>0)] = caught;
|
|
};
|
|
|
|
this.get_caught = function () {
|
|
return HEAP8[(((this.ptr)+(12))>>0)] != 0;
|
|
};
|
|
|
|
this.set_rethrown = function (rethrown) {
|
|
rethrown = rethrown ? 1 : 0;
|
|
HEAP8[(((this.ptr)+(13))>>0)] = rethrown;
|
|
};
|
|
|
|
this.get_rethrown = function () {
|
|
return HEAP8[(((this.ptr)+(13))>>0)] != 0;
|
|
};
|
|
|
|
// Initialize native structure fields. Should be called once after allocated.
|
|
this.init = function(type, destructor) {
|
|
this.set_adjusted_ptr(0);
|
|
this.set_type(type);
|
|
this.set_destructor(destructor);
|
|
this.set_refcount(0);
|
|
this.set_caught(false);
|
|
this.set_rethrown(false);
|
|
}
|
|
|
|
this.add_ref = function() {
|
|
var value = HEAP32[((this.ptr)>>2)];
|
|
HEAP32[((this.ptr)>>2)] = value + 1;
|
|
};
|
|
|
|
// Returns true if last reference released.
|
|
this.release_ref = function() {
|
|
var prev = HEAP32[((this.ptr)>>2)];
|
|
HEAP32[((this.ptr)>>2)] = prev - 1;
|
|
assert(prev > 0);
|
|
return prev === 1;
|
|
};
|
|
|
|
this.set_adjusted_ptr = function(adjustedPtr) {
|
|
HEAPU32[(((this.ptr)+(16))>>2)] = adjustedPtr;
|
|
};
|
|
|
|
this.get_adjusted_ptr = function() {
|
|
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.
|
|
this.get_exception_ptr = function() {
|
|
// 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;
|
|
function ___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++;
|
|
throw ptr + " - Exception catching is disabled, this exception cannot be caught. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch.";
|
|
}
|
|
|
|
function getRandomDevice() {
|
|
if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') {
|
|
// for modern web browsers
|
|
var randomBuffer = new Uint8Array(1);
|
|
return () => { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; };
|
|
} else
|
|
if (ENVIRONMENT_IS_NODE) {
|
|
// for nodejs with or without crypto support included
|
|
try {
|
|
var crypto_module = require('crypto');
|
|
// nodejs has crypto support
|
|
return () => crypto_module['randomBytes'](1)[0];
|
|
} 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
|
|
return () => 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: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };");
|
|
}
|
|
|
|
var PATH = {isAbs:(path) => path.charAt(0) === '/',splitPath:(filename) => {
|
|
var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
|
|
return splitPathRe.exec(filename).slice(1);
|
|
},normalizeArray:(parts, allowAboveRoot) => {
|
|
// if the path tries to go above the root, `up` ends up > 0
|
|
var up = 0;
|
|
for (var i = parts.length - 1; i >= 0; i--) {
|
|
var last = parts[i];
|
|
if (last === '.') {
|
|
parts.splice(i, 1);
|
|
} else if (last === '..') {
|
|
parts.splice(i, 1);
|
|
up++;
|
|
} else if (up) {
|
|
parts.splice(i, 1);
|
|
up--;
|
|
}
|
|
}
|
|
// if the path is allowed to go above the root, restore leading ..s
|
|
if (allowAboveRoot) {
|
|
for (; up; up--) {
|
|
parts.unshift('..');
|
|
}
|
|
}
|
|
return parts;
|
|
},normalize:(path) => {
|
|
var isAbsolute = PATH.isAbs(path),
|
|
trailingSlash = path.substr(-1) === '/';
|
|
// Normalize the path
|
|
path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/');
|
|
if (!path && !isAbsolute) {
|
|
path = '.';
|
|
}
|
|
if (path && trailingSlash) {
|
|
path += '/';
|
|
}
|
|
return (isAbsolute ? '/' : '') + path;
|
|
},dirname:(path) => {
|
|
var result = PATH.splitPath(path),
|
|
root = result[0],
|
|
dir = result[1];
|
|
if (!root && !dir) {
|
|
// No dirname whatsoever
|
|
return '.';
|
|
}
|
|
if (dir) {
|
|
// It has a dirname, strip trailing slash
|
|
dir = dir.substr(0, dir.length - 1);
|
|
}
|
|
return root + dir;
|
|
},basename:(path) => {
|
|
// EMSCRIPTEN return '/'' for '/', not an empty string
|
|
if (path === '/') return '/';
|
|
path = PATH.normalize(path);
|
|
path = path.replace(/\/$/, "");
|
|
var lastSlash = path.lastIndexOf('/');
|
|
if (lastSlash === -1) return path;
|
|
return path.substr(lastSlash+1);
|
|
},join:function() {
|
|
var paths = Array.prototype.slice.call(arguments);
|
|
return PATH.normalize(paths.join('/'));
|
|
},join2:(l, r) => {
|
|
return PATH.normalize(l + '/' + r);
|
|
}};
|
|
|
|
|
|
var PATH_FS = {resolve:function() {
|
|
var resolvedPath = '',
|
|
resolvedAbsolute = false;
|
|
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
|
|
var path = (i >= 0) ? arguments[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('/');
|
|
}};
|
|
|
|
|
|
/** @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 TTY = {ttys:[],init:function () {
|
|
// 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:function() {
|
|
// 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:function(dev, ops) {
|
|
TTY.ttys[dev] = { input: [], output: [], ops: ops };
|
|
FS.registerDevice(dev, TTY.stream_ops);
|
|
},stream_ops:{open:function(stream) {
|
|
var tty = TTY.ttys[stream.node.rdev];
|
|
if (!tty) {
|
|
throw new FS.ErrnoError(43);
|
|
}
|
|
stream.tty = tty;
|
|
stream.seekable = false;
|
|
},close:function(stream) {
|
|
// flush any pending line data
|
|
stream.tty.ops.fsync(stream.tty);
|
|
},fsync:function(stream) {
|
|
stream.tty.ops.fsync(stream.tty);
|
|
},read:function(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:function(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:function(tty) {
|
|
if (!tty.input.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;
|
|
|
|
try {
|
|
bytesRead = fs.readSync(process.stdin.fd, buf, 0, BUFSIZE, -1);
|
|
} 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;
|
|
}
|
|
tty.input = intArrayFromString(result, true);
|
|
}
|
|
return tty.input.shift();
|
|
},put_char:function(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:function(tty) {
|
|
if (tty.output && tty.output.length > 0) {
|
|
out(UTF8ArrayToString(tty.output, 0));
|
|
tty.output = [];
|
|
}
|
|
}},default_tty1_ops:{put_char:function(tty, val) {
|
|
if (val === null || val === 10) {
|
|
err(UTF8ArrayToString(tty.output, 0));
|
|
tty.output = [];
|
|
} else {
|
|
if (val != 0) tty.output.push(val);
|
|
}
|
|
},fsync:function(tty) {
|
|
if (tty.output && tty.output.length > 0) {
|
|
err(UTF8ArrayToString(tty.output, 0));
|
|
tty.output = [];
|
|
}
|
|
}}};
|
|
|
|
|
|
function zeroMemory(address, size) {
|
|
HEAPU8.fill(0, address, address + size);
|
|
return address;
|
|
}
|
|
|
|
function alignMemory(size, alignment) {
|
|
assert(alignment, "alignment argument is required");
|
|
return Math.ceil(size / alignment) * alignment;
|
|
}
|
|
function mmapAlloc(size) {
|
|
abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported');
|
|
}
|
|
var MEMFS = {ops_table:null,mount:function(mount) {
|
|
return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
|
|
},createNode:function(parent, name, mode, dev) {
|
|
if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
|
|
// no supported
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
if (!MEMFS.ops_table) {
|
|
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:function(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:function(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:function(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:function(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:function(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:function(parent, name) {
|
|
throw FS.genericErrors[44];
|
|
},mknod:function(parent, name, mode, dev) {
|
|
return MEMFS.createNode(parent, name, mode, dev);
|
|
},rename:function(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:function(parent, name) {
|
|
delete parent.contents[name];
|
|
parent.timestamp = Date.now();
|
|
},rmdir:function(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:function(node) {
|
|
var entries = ['.', '..'];
|
|
for (var key in node.contents) {
|
|
if (!node.contents.hasOwnProperty(key)) {
|
|
continue;
|
|
}
|
|
entries.push(key);
|
|
}
|
|
return entries;
|
|
},symlink:function(parent, newname, oldpath) {
|
|
var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0);
|
|
node.link = oldpath;
|
|
return node;
|
|
},readlink:function(node) {
|
|
if (!FS.isLink(node.mode)) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
return node.link;
|
|
}},stream_ops:{read:function(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:function(stream, buffer, offset, length, position, canOwn) {
|
|
// The data buffer should be a typed array view
|
|
assert(!(buffer instanceof ArrayBuffer));
|
|
// If the buffer is located in main memory (HEAP), and if
|
|
// memory can grow, we can't hold on to references of the
|
|
// memory buffer, as they may get invalidated. That means we
|
|
// need to do copy its contents.
|
|
if (buffer.buffer === HEAP8.buffer) {
|
|
canOwn = false;
|
|
}
|
|
|
|
if (!length) return 0;
|
|
var node = stream.node;
|
|
node.timestamp = Date.now();
|
|
|
|
if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array?
|
|
if (canOwn) {
|
|
assert(position === 0, 'canOwn must imply no weird position inside the file');
|
|
node.contents = buffer.subarray(offset, offset + length);
|
|
node.usedBytes = length;
|
|
return length;
|
|
} else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
|
|
node.contents = buffer.slice(offset, offset + length);
|
|
node.usedBytes = length;
|
|
return length;
|
|
} else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file?
|
|
node.contents.set(buffer.subarray(offset, offset + length), position);
|
|
return length;
|
|
}
|
|
}
|
|
|
|
// Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
|
|
MEMFS.expandFileStorage(node, position+length);
|
|
if (node.contents.subarray && buffer.subarray) {
|
|
// Use typed array write which is available.
|
|
node.contents.set(buffer.subarray(offset, offset + length), position);
|
|
} else {
|
|
for (var i = 0; i < length; i++) {
|
|
node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not.
|
|
}
|
|
}
|
|
node.usedBytes = Math.max(node.usedBytes, position + length);
|
|
return length;
|
|
},llseek:function(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:function(stream, offset, length) {
|
|
MEMFS.expandFileStorage(stream.node, offset + length);
|
|
stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
|
|
},mmap:function(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: ptr, allocated: allocated };
|
|
},msync:function(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 */
|
|
function 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 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 = {};
|
|
|
|
function withStackSave(f) {
|
|
var stack = stackSave();
|
|
var ret = f();
|
|
stackRestore(stack);
|
|
return ret;
|
|
}
|
|
function demangle(func) {
|
|
warnOnce('warning: build with -sDEMANGLE_SUPPORT to link in libcxxabi demangling');
|
|
return func;
|
|
}
|
|
function demangleAll(text) {
|
|
var regex =
|
|
/\b_Z[\w\d_]+/g;
|
|
return text.replace(regex,
|
|
function(x) {
|
|
var y = demangle(x);
|
|
return x === y ? x : (y + ' [' + x + ']');
|
|
});
|
|
}
|
|
var FS = {root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,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, parent);
|
|
}
|
|
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;
|
|
},flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:(str) => {
|
|
var flags = FS.flagModes[str];
|
|
if (typeof flags == 'undefined') {
|
|
throw new Error('Unknown file open mode: ' + str);
|
|
}
|
|
return flags;
|
|
},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) => {
|
|
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:(fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => {
|
|
for (var fd = fd_start; fd <= fd_end; fd++) {
|
|
if (!FS.streams[fd]) {
|
|
return fd;
|
|
}
|
|
}
|
|
throw new FS.ErrnoError(33);
|
|
},getStream:(fd) => FS.streams[fd],createStream:(stream, fd_start, fd_end) => {
|
|
if (!FS.FSStream) {
|
|
FS.FSStream = /** @constructor */ function() {
|
|
this.shared = { };
|
|
};
|
|
FS.FSStream.prototype = {};
|
|
Object.defineProperties(FS.FSStream.prototype, {
|
|
object: {
|
|
/** @this {FS.FSStream} */
|
|
get: function() { return this.node; },
|
|
/** @this {FS.FSStream} */
|
|
set: function(val) { this.node = val; }
|
|
},
|
|
isRead: {
|
|
/** @this {FS.FSStream} */
|
|
get: function() { return (this.flags & 2097155) !== 1; }
|
|
},
|
|
isWrite: {
|
|
/** @this {FS.FSStream} */
|
|
get: function() { return (this.flags & 2097155) !== 0; }
|
|
},
|
|
isAppend: {
|
|
/** @this {FS.FSStream} */
|
|
get: function() { return (this.flags & 1024); }
|
|
},
|
|
flags: {
|
|
/** @this {FS.FSStream} */
|
|
get: function() { return this.shared.flags; },
|
|
/** @this {FS.FSStream} */
|
|
set: function(val) { this.shared.flags = val; },
|
|
},
|
|
position : {
|
|
/** @this {FS.FSStream} */
|
|
get: function() { return this.shared.position; },
|
|
/** @this {FS.FSStream} */
|
|
set: function(val) { this.shared.position = val; },
|
|
},
|
|
});
|
|
}
|
|
// clone it, so we can return an instance of FSStream
|
|
stream = Object.assign(new FS.FSStream(), stream);
|
|
var fd = FS.nextfd(fd_start, fd_end);
|
|
stream.fd = fd;
|
|
FS.streams[fd] = stream;
|
|
return stream;
|
|
},closeStream:(fd) => {
|
|
FS.streams[fd] = null;
|
|
},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
|
|
if (stream.stream_ops.open) {
|
|
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.apply(check, 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: type,
|
|
opts: opts,
|
|
mountpoint: 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 existant 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.getStream(fd);
|
|
if (!stream) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
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.getStream(fd);
|
|
if (!stream) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
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.getStream(fd);
|
|
if (!stream) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
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: node,
|
|
path: FS.getPath(node), // we want the absolute path to the node
|
|
flags: 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) => {
|
|
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) => {
|
|
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) => {
|
|
if (!stream.stream_ops.msync) {
|
|
return 0;
|
|
}
|
|
return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
|
|
},munmap:(stream) => 0,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
|
|
var random_device = getRandomDevice();
|
|
FS.createDevice('/dev', 'random', random_device);
|
|
FS.createDevice('/dev', 'urandom', random_device);
|
|
// 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.getStream(fd);
|
|
if (!stream) throw new FS.ErrnoError(8);
|
|
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 + ')');
|
|
},ensureErrnoError:() => {
|
|
if (FS.ErrnoError) return;
|
|
FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) {
|
|
this.node = node;
|
|
this.setErrno = /** @this{Object} */ function(errno) {
|
|
this.errno = errno;
|
|
for (var key in ERRNO_CODES) {
|
|
if (ERRNO_CODES[key] === errno) {
|
|
this.code = key;
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
this.setErrno(errno);
|
|
this.message = ERRNO_MESSAGES[errno];
|
|
|
|
// Try to get a maximally helpful stack trace. On Node.js, getting Error.stack
|
|
// now ensures it shows what we want.
|
|
if (this.stack) {
|
|
// Define the stack property for Node.js 4, which otherwise errors on the next line.
|
|
Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true });
|
|
this.stack = demangleAll(this.stack);
|
|
}
|
|
};
|
|
FS.ErrnoError.prototype = new Error();
|
|
FS.ErrnoError.prototype.constructor = FS.ErrnoError;
|
|
// 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>';
|
|
});
|
|
},staticInit:() => {
|
|
FS.ensureErrnoError();
|
|
|
|
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;
|
|
|
|
FS.ensureErrnoError();
|
|
|
|
// 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);
|
|
}
|
|
},getMode:(canRead, canWrite) => {
|
|
var mode = 0;
|
|
if (canRead) mode |= 292 | 73;
|
|
if (canWrite) mode |= 146;
|
|
return mode;
|
|
},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);
|
|
}
|
|
return node;
|
|
},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 && output.buffer && 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.
|
|
/** @constructor */
|
|
function LazyUint8Array() {
|
|
this.lengthKnown = false;
|
|
this.chunks = []; // Loaded chunks. Index is the chunk number
|
|
}
|
|
LazyUint8Array.prototype.get = /** @this{Object} */ function LazyUint8Array_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];
|
|
};
|
|
LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
|
|
this.getter = getter;
|
|
};
|
|
LazyUint8Array.prototype.cacheLength = function LazyUint8Array_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;
|
|
};
|
|
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();
|
|
Object.defineProperties(lazyArray, {
|
|
length: {
|
|
get: /** @this{Object} */ function() {
|
|
if (!this.lengthKnown) {
|
|
this.cacheLength();
|
|
}
|
|
return this._length;
|
|
}
|
|
},
|
|
chunkSize: {
|
|
get: /** @this{Object} */ function() {
|
|
if (!this.lengthKnown) {
|
|
this.cacheLength();
|
|
}
|
|
return this._chunkSize;
|
|
}
|
|
}
|
|
});
|
|
|
|
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: /** @this {FSNode} */ 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] = function forceLoadLazyFile() {
|
|
FS.forceLoadFile(node);
|
|
return fn.apply(null, arguments);
|
|
};
|
|
});
|
|
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: ptr, allocated: true };
|
|
};
|
|
node.stream_ops = stream_ops;
|
|
return node;
|
|
},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) {
|
|
if (preFinish) preFinish();
|
|
if (!dontCreateFile) {
|
|
FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
|
|
}
|
|
if (onload) onload();
|
|
removeRunDependency(dep);
|
|
}
|
|
if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => {
|
|
if (onerror) onerror();
|
|
removeRunDependency(dep);
|
|
})) {
|
|
return;
|
|
}
|
|
finish(byteArray);
|
|
}
|
|
addRunDependency(dep);
|
|
if (typeof url == 'string') {
|
|
asyncLoad(url, (byteArray) => processData(byteArray), onerror);
|
|
} else {
|
|
processData(url);
|
|
}
|
|
},indexedDB:() => {
|
|
return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
|
|
},DB_NAME:() => {
|
|
return 'EM_FS_' + window.location.pathname;
|
|
},DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths, onload, onerror) => {
|
|
onload = onload || (() => {});
|
|
onerror = onerror || (() => {});
|
|
var indexedDB = FS.indexedDB();
|
|
try {
|
|
var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
|
|
} catch (e) {
|
|
return onerror(e);
|
|
}
|
|
openRequest.onupgradeneeded = () => {
|
|
out('creating db');
|
|
var db = openRequest.result;
|
|
db.createObjectStore(FS.DB_STORE_NAME);
|
|
};
|
|
openRequest.onsuccess = () => {
|
|
var db = openRequest.result;
|
|
var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite');
|
|
var files = transaction.objectStore(FS.DB_STORE_NAME);
|
|
var ok = 0, fail = 0, total = paths.length;
|
|
function finish() {
|
|
if (fail == 0) onload(); else onerror();
|
|
}
|
|
paths.forEach((path) => {
|
|
var putRequest = files.put(FS.analyzePath(path).object.contents, path);
|
|
putRequest.onsuccess = () => { ok++; if (ok + fail == total) finish() };
|
|
putRequest.onerror = () => { fail++; if (ok + fail == total) finish() };
|
|
});
|
|
transaction.onerror = onerror;
|
|
};
|
|
openRequest.onerror = onerror;
|
|
},loadFilesFromDB:(paths, onload, onerror) => {
|
|
onload = onload || (() => {});
|
|
onerror = onerror || (() => {});
|
|
var indexedDB = FS.indexedDB();
|
|
try {
|
|
var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
|
|
} catch (e) {
|
|
return onerror(e);
|
|
}
|
|
openRequest.onupgradeneeded = onerror; // no database to load from
|
|
openRequest.onsuccess = () => {
|
|
var db = openRequest.result;
|
|
try {
|
|
var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly');
|
|
} catch(e) {
|
|
onerror(e);
|
|
return;
|
|
}
|
|
var files = transaction.objectStore(FS.DB_STORE_NAME);
|
|
var ok = 0, fail = 0, total = paths.length;
|
|
function finish() {
|
|
if (fail == 0) onload(); else onerror();
|
|
}
|
|
paths.forEach((path) => {
|
|
var getRequest = files.get(path);
|
|
getRequest.onsuccess = () => {
|
|
if (FS.analyzePath(path).exists) {
|
|
FS.unlink(path);
|
|
}
|
|
FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
|
|
ok++;
|
|
if (ok + fail == total) finish();
|
|
};
|
|
getRequest.onerror = () => { fail++; if (ok + fail == total) finish() };
|
|
});
|
|
transaction.onerror = onerror;
|
|
};
|
|
openRequest.onerror = onerror;
|
|
},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 SOCKFS = {mount:function(mount) {
|
|
// If Module['websocket'] has already been defined (e.g. for configuring
|
|
// the subprotocol/url) use that, if not initialise it to a new object.
|
|
Module['websocket'] = (Module['websocket'] &&
|
|
('object' === typeof Module['websocket'])) ? Module['websocket'] : {};
|
|
|
|
// Add the Event registration mechanism to the exported websocket configuration
|
|
// object so we can register network callbacks from native JavaScript too.
|
|
// For more documentation see system/include/emscripten/emscripten.h
|
|
Module['websocket']._callbacks = {};
|
|
Module['websocket']['on'] = /** @this{Object} */ function(event, callback) {
|
|
if ('function' === typeof callback) {
|
|
this._callbacks[event] = callback;
|
|
}
|
|
return this;
|
|
};
|
|
|
|
Module['websocket'].emit = /** @this{Object} */ function(event, param) {
|
|
if ('function' === typeof this._callbacks[event]) {
|
|
this._callbacks[event].call(this, param);
|
|
}
|
|
};
|
|
|
|
// If debug is enabled register simple default logging callbacks for each Event.
|
|
|
|
return FS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
|
|
},createSocket:function(family, type, protocol) {
|
|
type &= ~526336; // Some applications may pass it; it makes no sense for a single process.
|
|
var streaming = type == 1;
|
|
if (streaming && protocol && protocol != 6) {
|
|
throw new FS.ErrnoError(66); // if SOCK_STREAM, must be tcp or 0.
|
|
}
|
|
|
|
// create our internal socket structure
|
|
var sock = {
|
|
family: family,
|
|
type: type,
|
|
protocol: protocol,
|
|
server: null,
|
|
error: null, // Used in getsockopt for SOL_SOCKET/SO_ERROR test
|
|
peers: {},
|
|
pending: [],
|
|
recv_queue: [],
|
|
sock_ops: SOCKFS.websocket_sock_ops
|
|
};
|
|
|
|
// create the filesystem node to store the socket structure
|
|
var name = SOCKFS.nextname();
|
|
var node = FS.createNode(SOCKFS.root, name, 49152, 0);
|
|
node.sock = sock;
|
|
|
|
// and the wrapping stream that enables library functions such
|
|
// as read and write to indirectly interact with the socket
|
|
var stream = FS.createStream({
|
|
path: name,
|
|
node: node,
|
|
flags: 2,
|
|
seekable: false,
|
|
stream_ops: SOCKFS.stream_ops
|
|
});
|
|
|
|
// map the new stream to the socket structure (sockets have a 1:1
|
|
// relationship with a stream)
|
|
sock.stream = stream;
|
|
|
|
return sock;
|
|
},getSocket:function(fd) {
|
|
var stream = FS.getStream(fd);
|
|
if (!stream || !FS.isSocket(stream.node.mode)) {
|
|
return null;
|
|
}
|
|
return stream.node.sock;
|
|
},stream_ops:{poll:function(stream) {
|
|
var sock = stream.node.sock;
|
|
return sock.sock_ops.poll(sock);
|
|
},ioctl:function(stream, request, varargs) {
|
|
var sock = stream.node.sock;
|
|
return sock.sock_ops.ioctl(sock, request, varargs);
|
|
},read:function(stream, buffer, offset, length, position /* ignored */) {
|
|
var sock = stream.node.sock;
|
|
var msg = sock.sock_ops.recvmsg(sock, length);
|
|
if (!msg) {
|
|
// socket is closed
|
|
return 0;
|
|
}
|
|
buffer.set(msg.buffer, offset);
|
|
return msg.buffer.length;
|
|
},write:function(stream, buffer, offset, length, position /* ignored */) {
|
|
var sock = stream.node.sock;
|
|
return sock.sock_ops.sendmsg(sock, buffer, offset, length);
|
|
},close:function(stream) {
|
|
var sock = stream.node.sock;
|
|
sock.sock_ops.close(sock);
|
|
}},nextname:function() {
|
|
if (!SOCKFS.nextname.current) {
|
|
SOCKFS.nextname.current = 0;
|
|
}
|
|
return 'socket[' + (SOCKFS.nextname.current++) + ']';
|
|
},websocket_sock_ops:{createPeer:function(sock, addr, port) {
|
|
var ws;
|
|
|
|
if (typeof addr == 'object') {
|
|
ws = addr;
|
|
addr = null;
|
|
port = null;
|
|
}
|
|
|
|
if (ws) {
|
|
// for sockets that've already connected (e.g. we're the server)
|
|
// we can inspect the _socket property for the address
|
|
if (ws._socket) {
|
|
addr = ws._socket.remoteAddress;
|
|
port = ws._socket.remotePort;
|
|
}
|
|
// if we're just now initializing a connection to the remote,
|
|
// inspect the url property
|
|
else {
|
|
var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);
|
|
if (!result) {
|
|
throw new Error('WebSocket URL must be in the format ws(s)://address:port');
|
|
}
|
|
addr = result[1];
|
|
port = parseInt(result[2], 10);
|
|
}
|
|
} else {
|
|
// create the actual websocket object and connect
|
|
try {
|
|
// runtimeConfig gets set to true if WebSocket runtime configuration is available.
|
|
var runtimeConfig = (Module['websocket'] && ('object' === typeof Module['websocket']));
|
|
|
|
// The default value is 'ws://' the replace is needed because the compiler replaces '//' comments with '#'
|
|
// comments without checking context, so we'd end up with ws:#, the replace swaps the '#' for '//' again.
|
|
var url = 'ws:#'.replace('#', '//');
|
|
|
|
if (runtimeConfig) {
|
|
if ('string' === typeof Module['websocket']['url']) {
|
|
url = Module['websocket']['url']; // Fetch runtime WebSocket URL config.
|
|
}
|
|
}
|
|
|
|
if (url === 'ws://' || url === 'wss://') { // Is the supplied URL config just a prefix, if so complete it.
|
|
var parts = addr.split('/');
|
|
url = url + parts[0] + ":" + port + "/" + parts.slice(1).join('/');
|
|
}
|
|
|
|
// Make the WebSocket subprotocol (Sec-WebSocket-Protocol) default to binary if no configuration is set.
|
|
var subProtocols = 'binary'; // The default value is 'binary'
|
|
|
|
if (runtimeConfig) {
|
|
if ('string' === typeof Module['websocket']['subprotocol']) {
|
|
subProtocols = Module['websocket']['subprotocol']; // Fetch runtime WebSocket subprotocol config.
|
|
}
|
|
}
|
|
|
|
// The default WebSocket options
|
|
var opts = undefined;
|
|
|
|
if (subProtocols !== 'null') {
|
|
// The regex trims the string (removes spaces at the beginning and end, then splits the string by
|
|
// <any space>,<any space> into an Array. Whitespace removal is important for Websockify and ws.
|
|
subProtocols = subProtocols.replace(/^ +| +$/g,"").split(/ *, */);
|
|
|
|
opts = subProtocols;
|
|
}
|
|
|
|
// some webservers (azure) does not support subprotocol header
|
|
if (runtimeConfig && null === Module['websocket']['subprotocol']) {
|
|
subProtocols = 'null';
|
|
opts = undefined;
|
|
}
|
|
|
|
// If node we use the ws library.
|
|
var WebSocketConstructor;
|
|
if (ENVIRONMENT_IS_NODE) {
|
|
WebSocketConstructor = /** @type{(typeof WebSocket)} */(require('ws'));
|
|
} else
|
|
{
|
|
WebSocketConstructor = WebSocket;
|
|
}
|
|
ws = new WebSocketConstructor(url, opts);
|
|
ws.binaryType = 'arraybuffer';
|
|
} catch (e) {
|
|
throw new FS.ErrnoError(23);
|
|
}
|
|
}
|
|
|
|
var peer = {
|
|
addr: addr,
|
|
port: port,
|
|
socket: ws,
|
|
dgram_send_queue: []
|
|
};
|
|
|
|
SOCKFS.websocket_sock_ops.addPeer(sock, peer);
|
|
SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer);
|
|
|
|
// if this is a bound dgram socket, send the port number first to allow
|
|
// us to override the ephemeral port reported to us by remotePort on the
|
|
// remote end.
|
|
if (sock.type === 2 && typeof sock.sport != 'undefined') {
|
|
peer.dgram_send_queue.push(new Uint8Array([
|
|
255, 255, 255, 255,
|
|
'p'.charCodeAt(0), 'o'.charCodeAt(0), 'r'.charCodeAt(0), 't'.charCodeAt(0),
|
|
((sock.sport & 0xff00) >> 8) , (sock.sport & 0xff)
|
|
]));
|
|
}
|
|
|
|
return peer;
|
|
},getPeer:function(sock, addr, port) {
|
|
return sock.peers[addr + ':' + port];
|
|
},addPeer:function(sock, peer) {
|
|
sock.peers[peer.addr + ':' + peer.port] = peer;
|
|
},removePeer:function(sock, peer) {
|
|
delete sock.peers[peer.addr + ':' + peer.port];
|
|
},handlePeerEvents:function(sock, peer) {
|
|
var first = true;
|
|
|
|
var handleOpen = function () {
|
|
|
|
Module['websocket'].emit('open', sock.stream.fd);
|
|
|
|
try {
|
|
var queued = peer.dgram_send_queue.shift();
|
|
while (queued) {
|
|
peer.socket.send(queued);
|
|
queued = peer.dgram_send_queue.shift();
|
|
}
|
|
} catch (e) {
|
|
// not much we can do here in the way of proper error handling as we've already
|
|
// lied and said this data was sent. shut it down.
|
|
peer.socket.close();
|
|
}
|
|
};
|
|
|
|
function handleMessage(data) {
|
|
if (typeof data == 'string') {
|
|
var encoder = new TextEncoder(); // should be utf-8
|
|
data = encoder.encode(data); // make a typed array from the string
|
|
} else {
|
|
assert(data.byteLength !== undefined); // must receive an ArrayBuffer
|
|
if (data.byteLength == 0) {
|
|
// An empty ArrayBuffer will emit a pseudo disconnect event
|
|
// as recv/recvmsg will return zero which indicates that a socket
|
|
// has performed a shutdown although the connection has not been disconnected yet.
|
|
return;
|
|
}
|
|
data = new Uint8Array(data); // make a typed array view on the array buffer
|
|
}
|
|
|
|
// if this is the port message, override the peer's port with it
|
|
var wasfirst = first;
|
|
first = false;
|
|
if (wasfirst &&
|
|
data.length === 10 &&
|
|
data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3] === 255 &&
|
|
data[4] === 'p'.charCodeAt(0) && data[5] === 'o'.charCodeAt(0) && data[6] === 'r'.charCodeAt(0) && data[7] === 't'.charCodeAt(0)) {
|
|
// update the peer's port and it's key in the peer map
|
|
var newport = ((data[8] << 8) | data[9]);
|
|
SOCKFS.websocket_sock_ops.removePeer(sock, peer);
|
|
peer.port = newport;
|
|
SOCKFS.websocket_sock_ops.addPeer(sock, peer);
|
|
return;
|
|
}
|
|
|
|
sock.recv_queue.push({ addr: peer.addr, port: peer.port, data: data });
|
|
Module['websocket'].emit('message', sock.stream.fd);
|
|
};
|
|
|
|
if (ENVIRONMENT_IS_NODE) {
|
|
peer.socket.on('open', handleOpen);
|
|
peer.socket.on('message', function(data, isBinary) {
|
|
if (!isBinary) {
|
|
return;
|
|
}
|
|
handleMessage((new Uint8Array(data)).buffer); // copy from node Buffer -> ArrayBuffer
|
|
});
|
|
peer.socket.on('close', function() {
|
|
Module['websocket'].emit('close', sock.stream.fd);
|
|
});
|
|
peer.socket.on('error', function(error) {
|
|
// Although the ws library may pass errors that may be more descriptive than
|
|
// ECONNREFUSED they are not necessarily the expected error code e.g.
|
|
// ENOTFOUND on getaddrinfo seems to be node.js specific, so using ECONNREFUSED
|
|
// is still probably the most useful thing to do.
|
|
sock.error = 14; // Used in getsockopt for SOL_SOCKET/SO_ERROR test.
|
|
Module['websocket'].emit('error', [sock.stream.fd, sock.error, 'ECONNREFUSED: Connection refused']);
|
|
// don't throw
|
|
});
|
|
} else {
|
|
peer.socket.onopen = handleOpen;
|
|
peer.socket.onclose = function() {
|
|
Module['websocket'].emit('close', sock.stream.fd);
|
|
};
|
|
peer.socket.onmessage = function peer_socket_onmessage(event) {
|
|
handleMessage(event.data);
|
|
};
|
|
peer.socket.onerror = function(error) {
|
|
// The WebSocket spec only allows a 'simple event' to be thrown on error,
|
|
// so we only really know as much as ECONNREFUSED.
|
|
sock.error = 14; // Used in getsockopt for SOL_SOCKET/SO_ERROR test.
|
|
Module['websocket'].emit('error', [sock.stream.fd, sock.error, 'ECONNREFUSED: Connection refused']);
|
|
};
|
|
}
|
|
},poll:function(sock) {
|
|
if (sock.type === 1 && sock.server) {
|
|
// listen sockets should only say they're available for reading
|
|
// if there are pending clients.
|
|
return sock.pending.length ? (64 | 1) : 0;
|
|
}
|
|
|
|
var mask = 0;
|
|
var dest = sock.type === 1 ? // we only care about the socket state for connection-based sockets
|
|
SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) :
|
|
null;
|
|
|
|
if (sock.recv_queue.length ||
|
|
!dest || // connection-less sockets are always ready to read
|
|
(dest && dest.socket.readyState === dest.socket.CLOSING) ||
|
|
(dest && dest.socket.readyState === dest.socket.CLOSED)) { // let recv return 0 once closed
|
|
mask |= (64 | 1);
|
|
}
|
|
|
|
if (!dest || // connection-less sockets are always ready to write
|
|
(dest && dest.socket.readyState === dest.socket.OPEN)) {
|
|
mask |= 4;
|
|
}
|
|
|
|
if ((dest && dest.socket.readyState === dest.socket.CLOSING) ||
|
|
(dest && dest.socket.readyState === dest.socket.CLOSED)) {
|
|
mask |= 16;
|
|
}
|
|
|
|
return mask;
|
|
},ioctl:function(sock, request, arg) {
|
|
switch (request) {
|
|
case 21531:
|
|
var bytes = 0;
|
|
if (sock.recv_queue.length) {
|
|
bytes = sock.recv_queue[0].data.length;
|
|
}
|
|
HEAP32[((arg)>>2)] = bytes;
|
|
return 0;
|
|
default:
|
|
return 28;
|
|
}
|
|
},close:function(sock) {
|
|
// if we've spawned a listen server, close it
|
|
if (sock.server) {
|
|
try {
|
|
sock.server.close();
|
|
} catch (e) {
|
|
}
|
|
sock.server = null;
|
|
}
|
|
// close any peer connections
|
|
var peers = Object.keys(sock.peers);
|
|
for (var i = 0; i < peers.length; i++) {
|
|
var peer = sock.peers[peers[i]];
|
|
try {
|
|
peer.socket.close();
|
|
} catch (e) {
|
|
}
|
|
SOCKFS.websocket_sock_ops.removePeer(sock, peer);
|
|
}
|
|
return 0;
|
|
},bind:function(sock, addr, port) {
|
|
if (typeof sock.saddr != 'undefined' || typeof sock.sport != 'undefined') {
|
|
throw new FS.ErrnoError(28); // already bound
|
|
}
|
|
sock.saddr = addr;
|
|
sock.sport = port;
|
|
// in order to emulate dgram sockets, we need to launch a listen server when
|
|
// binding on a connection-less socket
|
|
// note: this is only required on the server side
|
|
if (sock.type === 2) {
|
|
// close the existing server if it exists
|
|
if (sock.server) {
|
|
sock.server.close();
|
|
sock.server = null;
|
|
}
|
|
// swallow error operation not supported error that occurs when binding in the
|
|
// browser where this isn't supported
|
|
try {
|
|
sock.sock_ops.listen(sock, 0);
|
|
} catch (e) {
|
|
if (!(e instanceof FS.ErrnoError)) throw e;
|
|
if (e.errno !== 138) throw e;
|
|
}
|
|
}
|
|
},connect:function(sock, addr, port) {
|
|
if (sock.server) {
|
|
throw new FS.ErrnoError(138);
|
|
}
|
|
|
|
// TODO autobind
|
|
// if (!sock.addr && sock.type == 2) {
|
|
// }
|
|
|
|
// early out if we're already connected / in the middle of connecting
|
|
if (typeof sock.daddr != 'undefined' && typeof sock.dport != 'undefined') {
|
|
var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
|
|
if (dest) {
|
|
if (dest.socket.readyState === dest.socket.CONNECTING) {
|
|
throw new FS.ErrnoError(7);
|
|
} else {
|
|
throw new FS.ErrnoError(30);
|
|
}
|
|
}
|
|
}
|
|
|
|
// add the socket to our peer list and set our
|
|
// destination address / port to match
|
|
var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
|
|
sock.daddr = peer.addr;
|
|
sock.dport = peer.port;
|
|
|
|
// always "fail" in non-blocking mode
|
|
throw new FS.ErrnoError(26);
|
|
},listen:function(sock, backlog) {
|
|
if (!ENVIRONMENT_IS_NODE) {
|
|
throw new FS.ErrnoError(138);
|
|
}
|
|
if (sock.server) {
|
|
throw new FS.ErrnoError(28); // already listening
|
|
}
|
|
var WebSocketServer = require('ws').Server;
|
|
var host = sock.saddr;
|
|
sock.server = new WebSocketServer({
|
|
host: host,
|
|
port: sock.sport
|
|
// TODO support backlog
|
|
});
|
|
Module['websocket'].emit('listen', sock.stream.fd); // Send Event with listen fd.
|
|
|
|
sock.server.on('connection', function(ws) {
|
|
if (sock.type === 1) {
|
|
var newsock = SOCKFS.createSocket(sock.family, sock.type, sock.protocol);
|
|
|
|
// create a peer on the new socket
|
|
var peer = SOCKFS.websocket_sock_ops.createPeer(newsock, ws);
|
|
newsock.daddr = peer.addr;
|
|
newsock.dport = peer.port;
|
|
|
|
// push to queue for accept to pick up
|
|
sock.pending.push(newsock);
|
|
Module['websocket'].emit('connection', newsock.stream.fd);
|
|
} else {
|
|
// create a peer on the listen socket so calling sendto
|
|
// with the listen socket and an address will resolve
|
|
// to the correct client
|
|
SOCKFS.websocket_sock_ops.createPeer(sock, ws);
|
|
Module['websocket'].emit('connection', sock.stream.fd);
|
|
}
|
|
});
|
|
sock.server.on('close', function() {
|
|
Module['websocket'].emit('close', sock.stream.fd);
|
|
sock.server = null;
|
|
});
|
|
sock.server.on('error', function(error) {
|
|
// Although the ws library may pass errors that may be more descriptive than
|
|
// ECONNREFUSED they are not necessarily the expected error code e.g.
|
|
// ENOTFOUND on getaddrinfo seems to be node.js specific, so using EHOSTUNREACH
|
|
// is still probably the most useful thing to do. This error shouldn't
|
|
// occur in a well written app as errors should get trapped in the compiled
|
|
// app's own getaddrinfo call.
|
|
sock.error = 23; // Used in getsockopt for SOL_SOCKET/SO_ERROR test.
|
|
Module['websocket'].emit('error', [sock.stream.fd, sock.error, 'EHOSTUNREACH: Host is unreachable']);
|
|
// don't throw
|
|
});
|
|
},accept:function(listensock) {
|
|
if (!listensock.server || !listensock.pending.length) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
var newsock = listensock.pending.shift();
|
|
newsock.stream.flags = listensock.stream.flags;
|
|
return newsock;
|
|
},getname:function(sock, peer) {
|
|
var addr, port;
|
|
if (peer) {
|
|
if (sock.daddr === undefined || sock.dport === undefined) {
|
|
throw new FS.ErrnoError(53);
|
|
}
|
|
addr = sock.daddr;
|
|
port = sock.dport;
|
|
} else {
|
|
// TODO saddr and sport will be set for bind()'d UDP sockets, but what
|
|
// should we be returning for TCP sockets that've been connect()'d?
|
|
addr = sock.saddr || 0;
|
|
port = sock.sport || 0;
|
|
}
|
|
return { addr: addr, port: port };
|
|
},sendmsg:function(sock, buffer, offset, length, addr, port) {
|
|
if (sock.type === 2) {
|
|
// connection-less sockets will honor the message address,
|
|
// and otherwise fall back to the bound destination address
|
|
if (addr === undefined || port === undefined) {
|
|
addr = sock.daddr;
|
|
port = sock.dport;
|
|
}
|
|
// if there was no address to fall back to, error out
|
|
if (addr === undefined || port === undefined) {
|
|
throw new FS.ErrnoError(17);
|
|
}
|
|
} else {
|
|
// connection-based sockets will only use the bound
|
|
addr = sock.daddr;
|
|
port = sock.dport;
|
|
}
|
|
|
|
// find the peer for the destination address
|
|
var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port);
|
|
|
|
// early out if not connected with a connection-based socket
|
|
if (sock.type === 1) {
|
|
if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
|
|
throw new FS.ErrnoError(53);
|
|
} else if (dest.socket.readyState === dest.socket.CONNECTING) {
|
|
throw new FS.ErrnoError(6);
|
|
}
|
|
}
|
|
|
|
// create a copy of the incoming data to send, as the WebSocket API
|
|
// doesn't work entirely with an ArrayBufferView, it'll just send
|
|
// the entire underlying buffer
|
|
if (ArrayBuffer.isView(buffer)) {
|
|
offset += buffer.byteOffset;
|
|
buffer = buffer.buffer;
|
|
}
|
|
|
|
var data;
|
|
data = buffer.slice(offset, offset + length);
|
|
|
|
// if we're emulating a connection-less dgram socket and don't have
|
|
// a cached connection, queue the buffer to send upon connect and
|
|
// lie, saying the data was sent now.
|
|
if (sock.type === 2) {
|
|
if (!dest || dest.socket.readyState !== dest.socket.OPEN) {
|
|
// if we're not connected, open a new connection
|
|
if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
|
|
dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
|
|
}
|
|
dest.dgram_send_queue.push(data);
|
|
return length;
|
|
}
|
|
}
|
|
|
|
try {
|
|
// send the actual data
|
|
dest.socket.send(data);
|
|
return length;
|
|
} catch (e) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
},recvmsg:function(sock, length) {
|
|
// http://pubs.opengroup.org/onlinepubs/7908799/xns/recvmsg.html
|
|
if (sock.type === 1 && sock.server) {
|
|
// tcp servers should not be recv()'ing on the listen socket
|
|
throw new FS.ErrnoError(53);
|
|
}
|
|
|
|
var queued = sock.recv_queue.shift();
|
|
if (!queued) {
|
|
if (sock.type === 1) {
|
|
var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
|
|
|
|
if (!dest) {
|
|
// if we have a destination address but are not connected, error out
|
|
throw new FS.ErrnoError(53);
|
|
}
|
|
if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
|
|
// return null if the socket has closed
|
|
return null;
|
|
}
|
|
// else, our socket is in a valid state but truly has nothing available
|
|
throw new FS.ErrnoError(6);
|
|
}
|
|
throw new FS.ErrnoError(6);
|
|
}
|
|
|
|
// queued.data will be an ArrayBuffer if it's unadulterated, but if it's
|
|
// requeued TCP data it'll be an ArrayBufferView
|
|
var queuedLength = queued.data.byteLength || queued.data.length;
|
|
var queuedOffset = queued.data.byteOffset || 0;
|
|
var queuedBuffer = queued.data.buffer || queued.data;
|
|
var bytesRead = Math.min(length, queuedLength);
|
|
var res = {
|
|
buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead),
|
|
addr: queued.addr,
|
|
port: queued.port
|
|
};
|
|
|
|
// push back any unread data for TCP connections
|
|
if (sock.type === 1 && bytesRead < queuedLength) {
|
|
var bytesRemaining = queuedLength - bytesRead;
|
|
queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining);
|
|
sock.recv_queue.unshift(queued);
|
|
}
|
|
|
|
return res;
|
|
}}};
|
|
|
|
function getSocketFromFD(fd) {
|
|
var socket = SOCKFS.getSocket(fd);
|
|
if (!socket) throw new FS.ErrnoError(8);
|
|
return socket;
|
|
}
|
|
|
|
function setErrNo(value) {
|
|
HEAP32[((___errno_location())>>2)] = value;
|
|
return value;
|
|
}
|
|
var Sockets = {BUFFER_SIZE:10240,MAX_BUFFER_SIZE:10485760,nextFd:1,fds:{},nextport:1,maxport:65535,peer:null,connections:{},portmap:{},localAddr:4261412874,addrPool:[33554442,50331658,67108874,83886090,100663306,117440522,134217738,150994954,167772170,184549386,201326602,218103818,234881034]};
|
|
|
|
function inetNtop4(addr) {
|
|
return (addr & 0xff) + '.' + ((addr >> 8) & 0xff) + '.' + ((addr >> 16) & 0xff) + '.' + ((addr >> 24) & 0xff)
|
|
}
|
|
|
|
|
|
function inetNtop6(ints) {
|
|
// ref: http://www.ietf.org/rfc/rfc2373.txt - section 2.5.4
|
|
// Format for IPv4 compatible and mapped 128-bit IPv6 Addresses
|
|
// 128-bits are split into eight 16-bit words
|
|
// stored in network byte order (big-endian)
|
|
// | 80 bits | 16 | 32 bits |
|
|
// +-----------------------------------------------------------------+
|
|
// | 10 bytes | 2 | 4 bytes |
|
|
// +--------------------------------------+--------------------------+
|
|
// + 5 words | 1 | 2 words |
|
|
// +--------------------------------------+--------------------------+
|
|
// |0000..............................0000|0000| IPv4 ADDRESS | (compatible)
|
|
// +--------------------------------------+----+---------------------+
|
|
// |0000..............................0000|FFFF| IPv4 ADDRESS | (mapped)
|
|
// +--------------------------------------+----+---------------------+
|
|
var str = "";
|
|
var word = 0;
|
|
var longest = 0;
|
|
var lastzero = 0;
|
|
var zstart = 0;
|
|
var len = 0;
|
|
var i = 0;
|
|
var parts = [
|
|
ints[0] & 0xffff,
|
|
(ints[0] >> 16),
|
|
ints[1] & 0xffff,
|
|
(ints[1] >> 16),
|
|
ints[2] & 0xffff,
|
|
(ints[2] >> 16),
|
|
ints[3] & 0xffff,
|
|
(ints[3] >> 16)
|
|
];
|
|
|
|
// Handle IPv4-compatible, IPv4-mapped, loopback and any/unspecified addresses
|
|
|
|
var hasipv4 = true;
|
|
var v4part = "";
|
|
// check if the 10 high-order bytes are all zeros (first 5 words)
|
|
for (i = 0; i < 5; i++) {
|
|
if (parts[i] !== 0) { hasipv4 = false; break; }
|
|
}
|
|
|
|
if (hasipv4) {
|
|
// low-order 32-bits store an IPv4 address (bytes 13 to 16) (last 2 words)
|
|
v4part = inetNtop4(parts[6] | (parts[7] << 16));
|
|
// IPv4-mapped IPv6 address if 16-bit value (bytes 11 and 12) == 0xFFFF (6th word)
|
|
if (parts[5] === -1) {
|
|
str = "::ffff:";
|
|
str += v4part;
|
|
return str;
|
|
}
|
|
// IPv4-compatible IPv6 address if 16-bit value (bytes 11 and 12) == 0x0000 (6th word)
|
|
if (parts[5] === 0) {
|
|
str = "::";
|
|
//special case IPv6 addresses
|
|
if (v4part === "0.0.0.0") v4part = ""; // any/unspecified address
|
|
if (v4part === "0.0.0.1") v4part = "1";// loopback address
|
|
str += v4part;
|
|
return str;
|
|
}
|
|
}
|
|
|
|
// Handle all other IPv6 addresses
|
|
|
|
// first run to find the longest contiguous zero words
|
|
for (word = 0; word < 8; word++) {
|
|
if (parts[word] === 0) {
|
|
if (word - lastzero > 1) {
|
|
len = 0;
|
|
}
|
|
lastzero = word;
|
|
len++;
|
|
}
|
|
if (len > longest) {
|
|
longest = len;
|
|
zstart = word - longest + 1;
|
|
}
|
|
}
|
|
|
|
for (word = 0; word < 8; word++) {
|
|
if (longest > 1) {
|
|
// compress contiguous zeros - to produce "::"
|
|
if (parts[word] === 0 && word >= zstart && word < (zstart + longest) ) {
|
|
if (word === zstart) {
|
|
str += ":";
|
|
if (zstart === 0) str += ":"; //leading zeros case
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
// converts 16-bit words from big-endian to little-endian before converting to hex string
|
|
str += Number(_ntohs(parts[word] & 0xffff)).toString(16);
|
|
str += word < 7 ? ":" : "";
|
|
}
|
|
return str;
|
|
}
|
|
|
|
function readSockaddr(sa, salen) {
|
|
// family / port offsets are common to both sockaddr_in and sockaddr_in6
|
|
var family = HEAP16[((sa)>>1)];
|
|
var port = _ntohs(HEAPU16[(((sa)+(2))>>1)]);
|
|
var addr;
|
|
|
|
switch (family) {
|
|
case 2:
|
|
if (salen !== 16) {
|
|
return { errno: 28 };
|
|
}
|
|
addr = HEAP32[(((sa)+(4))>>2)];
|
|
addr = inetNtop4(addr);
|
|
break;
|
|
case 10:
|
|
if (salen !== 28) {
|
|
return { errno: 28 };
|
|
}
|
|
addr = [
|
|
HEAP32[(((sa)+(8))>>2)],
|
|
HEAP32[(((sa)+(12))>>2)],
|
|
HEAP32[(((sa)+(16))>>2)],
|
|
HEAP32[(((sa)+(20))>>2)]
|
|
];
|
|
addr = inetNtop6(addr);
|
|
break;
|
|
default:
|
|
return { errno: 5 };
|
|
}
|
|
|
|
return { family: family, addr: addr, port: port };
|
|
}
|
|
|
|
|
|
function inetPton4(str) {
|
|
var b = str.split('.');
|
|
for (var i = 0; i < 4; i++) {
|
|
var tmp = Number(b[i]);
|
|
if (isNaN(tmp)) return null;
|
|
b[i] = tmp;
|
|
}
|
|
return (b[0] | (b[1] << 8) | (b[2] << 16) | (b[3] << 24)) >>> 0;
|
|
}
|
|
|
|
|
|
/** @suppress {checkTypes} */
|
|
function jstoi_q(str) {
|
|
return parseInt(str);
|
|
}
|
|
function inetPton6(str) {
|
|
var words;
|
|
var w, offset, z, i;
|
|
/* http://home.deds.nl/~aeron/regex/ */
|
|
var valid6regx = /^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i
|
|
var parts = [];
|
|
if (!valid6regx.test(str)) {
|
|
return null;
|
|
}
|
|
if (str === "::") {
|
|
return [0, 0, 0, 0, 0, 0, 0, 0];
|
|
}
|
|
// Z placeholder to keep track of zeros when splitting the string on ":"
|
|
if (str.startsWith("::")) {
|
|
str = str.replace("::", "Z:"); // leading zeros case
|
|
} else {
|
|
str = str.replace("::", ":Z:");
|
|
}
|
|
|
|
if (str.indexOf(".") > 0) {
|
|
// parse IPv4 embedded stress
|
|
str = str.replace(new RegExp('[.]', 'g'), ":");
|
|
words = str.split(":");
|
|
words[words.length-4] = jstoi_q(words[words.length-4]) + jstoi_q(words[words.length-3])*256;
|
|
words[words.length-3] = jstoi_q(words[words.length-2]) + jstoi_q(words[words.length-1])*256;
|
|
words = words.slice(0, words.length-2);
|
|
} else {
|
|
words = str.split(":");
|
|
}
|
|
|
|
offset = 0; z = 0;
|
|
for (w=0; w < words.length; w++) {
|
|
if (typeof words[w] == 'string') {
|
|
if (words[w] === 'Z') {
|
|
// compressed zeros - write appropriate number of zero words
|
|
for (z = 0; z < (8 - words.length+1); z++) {
|
|
parts[w+z] = 0;
|
|
}
|
|
offset = z-1;
|
|
} else {
|
|
// parse hex to field to 16-bit value and write it in network byte-order
|
|
parts[w+offset] = _htons(parseInt(words[w],16));
|
|
}
|
|
} else {
|
|
// parsed IPv4 words
|
|
parts[w+offset] = words[w];
|
|
}
|
|
}
|
|
return [
|
|
(parts[1] << 16) | parts[0],
|
|
(parts[3] << 16) | parts[2],
|
|
(parts[5] << 16) | parts[4],
|
|
(parts[7] << 16) | parts[6]
|
|
];
|
|
}
|
|
var DNS = {address_map:{id:1,addrs:{},names:{}},lookup_name:function (name) {
|
|
// If the name is already a valid ipv4 / ipv6 address, don't generate a fake one.
|
|
var res = inetPton4(name);
|
|
if (res !== null) {
|
|
return name;
|
|
}
|
|
res = inetPton6(name);
|
|
if (res !== null) {
|
|
return name;
|
|
}
|
|
|
|
// See if this name is already mapped.
|
|
var addr;
|
|
|
|
if (DNS.address_map.addrs[name]) {
|
|
addr = DNS.address_map.addrs[name];
|
|
} else {
|
|
var id = DNS.address_map.id++;
|
|
assert(id < 65535, 'exceeded max address mappings of 65535');
|
|
|
|
addr = '172.29.' + (id & 0xff) + '.' + (id & 0xff00);
|
|
|
|
DNS.address_map.names[addr] = name;
|
|
DNS.address_map.addrs[name] = addr;
|
|
}
|
|
|
|
return addr;
|
|
},lookup_addr:function (addr) {
|
|
if (DNS.address_map.names[addr]) {
|
|
return DNS.address_map.names[addr];
|
|
}
|
|
|
|
return null;
|
|
}};
|
|
/** @param {boolean=} allowNull */
|
|
function getSocketAddress(addrp, addrlen, allowNull) {
|
|
if (allowNull && addrp === 0) return null;
|
|
var info = readSockaddr(addrp, addrlen);
|
|
if (info.errno) throw new FS.ErrnoError(info.errno);
|
|
info.addr = DNS.lookup_addr(info.addr) || info.addr;
|
|
return info;
|
|
}
|
|
|
|
|
|
var SYSCALLS = {DEFAULT_POLLMASK:5,calculateAt:function(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:function(func, path, buf) {
|
|
try {
|
|
var stat = func(path);
|
|
} catch (e) {
|
|
if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
|
|
// an error occurred while trying to look up the path; we should just report ENOTDIR
|
|
return -54;
|
|
}
|
|
throw e;
|
|
}
|
|
HEAP32[((buf)>>2)] = stat.dev;
|
|
HEAP32[(((buf)+(8))>>2)] = stat.ino;
|
|
HEAP32[(((buf)+(12))>>2)] = stat.mode;
|
|
HEAPU32[(((buf)+(16))>>2)] = stat.nlink;
|
|
HEAP32[(((buf)+(20))>>2)] = stat.uid;
|
|
HEAP32[(((buf)+(24))>>2)] = stat.gid;
|
|
HEAP32[(((buf)+(28))>>2)] = stat.rdev;
|
|
(tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]);
|
|
HEAP32[(((buf)+(48))>>2)] = 4096;
|
|
HEAP32[(((buf)+(52))>>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.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|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)] = (atime % 1000) * 1000;
|
|
(tempI64 = [Math.floor(mtime / 1000)>>>0,(tempDouble=Math.floor(mtime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|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)] = (mtime % 1000) * 1000;
|
|
(tempI64 = [Math.floor(ctime / 1000)>>>0,(tempDouble=Math.floor(ctime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]);
|
|
HEAPU32[(((buf)+(96))>>2)] = (ctime % 1000) * 1000;
|
|
(tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(104))>>2)] = tempI64[0],HEAP32[(((buf)+(108))>>2)] = tempI64[1]);
|
|
return 0;
|
|
},doMsync:function(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);
|
|
},varargs:undefined,get:function() {
|
|
assert(SYSCALLS.varargs != undefined);
|
|
SYSCALLS.varargs += 4;
|
|
var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)];
|
|
return ret;
|
|
},getStr:function(ptr) {
|
|
var ret = UTF8ToString(ptr);
|
|
return ret;
|
|
},getStreamFromFD:function(fd) {
|
|
var stream = FS.getStream(fd);
|
|
if (!stream) throw new FS.ErrnoError(8);
|
|
return stream;
|
|
}};
|
|
function ___syscall_connect(fd, addr, addrlen) {
|
|
try {
|
|
|
|
var sock = getSocketFromFD(fd);
|
|
var info = getSocketAddress(addr, addrlen);
|
|
sock.sock_ops.connect(sock, info.addr, info.port);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_faccessat(dirfd, path, amode, flags) {
|
|
try {
|
|
|
|
path = SYSCALLS.getStr(path);
|
|
assert(flags === 0);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
if (amode & ~7) {
|
|
// need a valid mode
|
|
return -28;
|
|
}
|
|
var lookup = FS.lookupPath(path, { follow: true });
|
|
var node = lookup.node;
|
|
if (!node) {
|
|
return -44;
|
|
}
|
|
var perms = '';
|
|
if (amode & 4) perms += 'r';
|
|
if (amode & 2) perms += 'w';
|
|
if (amode & 1) perms += 'x';
|
|
if (perms /* otherwise, they've just passed F_OK */ && FS.nodePermissions(node, perms)) {
|
|
return -2;
|
|
}
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
function ___syscall_fcntl64(fd, cmd, varargs) {
|
|
SYSCALLS.varargs = varargs;
|
|
try {
|
|
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
switch (cmd) {
|
|
case 0: {
|
|
var arg = SYSCALLS.get();
|
|
if (arg < 0) {
|
|
return -28;
|
|
}
|
|
var newStream;
|
|
newStream = FS.createStream(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 = SYSCALLS.get();
|
|
stream.flags |= arg;
|
|
return 0;
|
|
}
|
|
case 5:
|
|
/* case 5: Currently in musl F_GETLK64 has same value as F_GETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ {
|
|
|
|
var arg = SYSCALLS.get();
|
|
var offset = 0;
|
|
// We're always unlocked.
|
|
HEAP16[(((arg)+(offset))>>1)] = 2;
|
|
return 0;
|
|
}
|
|
case 6:
|
|
case 7:
|
|
/* case 6: Currently in musl F_SETLK64 has same value as F_SETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */
|
|
/* case 7: Currently in musl F_SETLKW64 has same value as F_SETLKW, so omitted to avoid duplicate case blocks. If that changes, uncomment this */
|
|
|
|
|
|
return 0; // Pretend that the locking is successful.
|
|
case 16:
|
|
case 8:
|
|
return -28; // These are for sockets. We don't have them fully implemented yet.
|
|
case 9:
|
|
// musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fcntl() returns that, and we set errno ourselves.
|
|
setErrNo(28);
|
|
return -1;
|
|
default: {
|
|
return -28;
|
|
}
|
|
}
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e instanceof FS.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 instanceof FS.ErrnoError)) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function 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 ___syscall_ftruncate64(fd, length_low, length_high) {
|
|
try {
|
|
|
|
var length = convertI32PairToI53Checked(length_low, length_high); if (isNaN(length)) return -61;
|
|
FS.ftruncate(fd, length);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e instanceof FS.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:
|
|
case 21505: {
|
|
if (!stream.tty) return -59;
|
|
return 0;
|
|
}
|
|
case 21510:
|
|
case 21511:
|
|
case 21512:
|
|
case 21506:
|
|
case 21507:
|
|
case 21508: {
|
|
if (!stream.tty) return -59;
|
|
return 0; // no-op, not actually adjusting terminal settings
|
|
}
|
|
case 21519: {
|
|
if (!stream.tty) return -59;
|
|
var argp = SYSCALLS.get();
|
|
HEAP32[((argp)>>2)] = 0;
|
|
return 0;
|
|
}
|
|
case 21520: {
|
|
if (!stream.tty) return -59;
|
|
return -28; // not supported
|
|
}
|
|
case 21531: {
|
|
var argp = SYSCALLS.get();
|
|
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;
|
|
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;
|
|
}
|
|
default: return -28; // not supported
|
|
}
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e instanceof FS.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 instanceof FS.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 instanceof FS.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 ? SYSCALLS.get() : 0;
|
|
return FS.open(path, flags, mode).fd;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
function ___syscall_socket(domain, type, protocol) {
|
|
try {
|
|
|
|
var sock = SOCKFS.createSocket(domain, type, protocol);
|
|
assert(sock.stream.fd < 64); // XXX ? select() assumes socket fd values are in 0..63
|
|
return sock.stream.fd;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e instanceof FS.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 instanceof FS.ErrnoError)) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
var tupleRegistrations = {};
|
|
|
|
function runDestructors(destructors) {
|
|
while (destructors.length) {
|
|
var ptr = destructors.pop();
|
|
var del = destructors.pop();
|
|
del(ptr);
|
|
}
|
|
}
|
|
|
|
function simpleReadValueFromPointer(pointer) {
|
|
return this['fromWireType'](HEAP32[((pointer)>>2)]);
|
|
}
|
|
|
|
var awaitingDependencies = {};
|
|
|
|
var registeredTypes = {};
|
|
|
|
var typeDependencies = {};
|
|
|
|
var char_0 = 48;
|
|
|
|
var char_9 = 57;
|
|
function makeLegalFunctionName(name) {
|
|
if (undefined === name) {
|
|
return '_unknown';
|
|
}
|
|
name = name.replace(/[^a-zA-Z0-9_]/g, '$');
|
|
var f = name.charCodeAt(0);
|
|
if (f >= char_0 && f <= char_9) {
|
|
return '_' + name;
|
|
}
|
|
return name;
|
|
}
|
|
function createNamedFunction(name, body) {
|
|
name = makeLegalFunctionName(name);
|
|
/*jshint evil:true*/
|
|
return new Function(
|
|
"body",
|
|
"return function " + name + "() {\n" +
|
|
" \"use strict\";" +
|
|
" return body.apply(this, arguments);\n" +
|
|
"};\n"
|
|
)(body);
|
|
}
|
|
function extendError(baseErrorType, errorName) {
|
|
var errorClass = createNamedFunction(errorName, function(message) {
|
|
this.name = errorName;
|
|
this.message = message;
|
|
|
|
var stack = (new Error(message)).stack;
|
|
if (stack !== undefined) {
|
|
this.stack = this.toString() + '\n' +
|
|
stack.replace(/^Error(:[^\n]*)?\n/, '');
|
|
}
|
|
});
|
|
errorClass.prototype = Object.create(baseErrorType.prototype);
|
|
errorClass.prototype.constructor = errorClass;
|
|
errorClass.prototype.toString = function() {
|
|
if (this.message === undefined) {
|
|
return this.name;
|
|
} else {
|
|
return this.name + ': ' + this.message;
|
|
}
|
|
};
|
|
|
|
return errorClass;
|
|
}
|
|
var InternalError = undefined;
|
|
function throwInternalError(message) {
|
|
throw new InternalError(message);
|
|
}
|
|
function whenDependentTypesAreResolved(myTypes, dependentTypes, getTypeConverters) {
|
|
myTypes.forEach(function(type) {
|
|
typeDependencies[type] = dependentTypes;
|
|
});
|
|
|
|
function onComplete(typeConverters) {
|
|
var myTypeConverters = getTypeConverters(typeConverters);
|
|
if (myTypeConverters.length !== myTypes.length) {
|
|
throwInternalError('Mismatched type converter count');
|
|
}
|
|
for (var i = 0; i < myTypes.length; ++i) {
|
|
registerType(myTypes[i], myTypeConverters[i]);
|
|
}
|
|
}
|
|
|
|
var typeConverters = new Array(dependentTypes.length);
|
|
var unregisteredTypes = [];
|
|
var registered = 0;
|
|
dependentTypes.forEach((dt, i) => {
|
|
if (registeredTypes.hasOwnProperty(dt)) {
|
|
typeConverters[i] = registeredTypes[dt];
|
|
} else {
|
|
unregisteredTypes.push(dt);
|
|
if (!awaitingDependencies.hasOwnProperty(dt)) {
|
|
awaitingDependencies[dt] = [];
|
|
}
|
|
awaitingDependencies[dt].push(() => {
|
|
typeConverters[i] = registeredTypes[dt];
|
|
++registered;
|
|
if (registered === unregisteredTypes.length) {
|
|
onComplete(typeConverters);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
if (0 === unregisteredTypes.length) {
|
|
onComplete(typeConverters);
|
|
}
|
|
}
|
|
function __embind_finalize_value_array(rawTupleType) {
|
|
var reg = tupleRegistrations[rawTupleType];
|
|
delete tupleRegistrations[rawTupleType];
|
|
var elements = reg.elements;
|
|
var elementsLength = elements.length;
|
|
var elementTypes = elements.map(function(elt) { return elt.getterReturnType; }).
|
|
concat(elements.map(function(elt) { return elt.setterArgumentType; }));
|
|
|
|
var rawConstructor = reg.rawConstructor;
|
|
var rawDestructor = reg.rawDestructor;
|
|
|
|
whenDependentTypesAreResolved([rawTupleType], elementTypes, function(elementTypes) {
|
|
elements.forEach((elt, i) => {
|
|
var getterReturnType = elementTypes[i];
|
|
var getter = elt.getter;
|
|
var getterContext = elt.getterContext;
|
|
var setterArgumentType = elementTypes[i + elementsLength];
|
|
var setter = elt.setter;
|
|
var setterContext = elt.setterContext;
|
|
elt.read = (ptr) => {
|
|
return getterReturnType['fromWireType'](getter(getterContext, ptr));
|
|
};
|
|
elt.write = (ptr, o) => {
|
|
var destructors = [];
|
|
setter(setterContext, ptr, setterArgumentType['toWireType'](destructors, o));
|
|
runDestructors(destructors);
|
|
};
|
|
});
|
|
|
|
return [{
|
|
name: reg.name,
|
|
'fromWireType': function(ptr) {
|
|
var rv = new Array(elementsLength);
|
|
for (var i = 0; i < elementsLength; ++i) {
|
|
rv[i] = elements[i].read(ptr);
|
|
}
|
|
rawDestructor(ptr);
|
|
return rv;
|
|
},
|
|
'toWireType': function(destructors, o) {
|
|
if (elementsLength !== o.length) {
|
|
throw new TypeError("Incorrect number of tuple elements for " + reg.name + ": expected=" + elementsLength + ", actual=" + o.length);
|
|
}
|
|
var ptr = rawConstructor();
|
|
for (var i = 0; i < elementsLength; ++i) {
|
|
elements[i].write(ptr, o[i]);
|
|
}
|
|
if (destructors !== null) {
|
|
destructors.push(rawDestructor, ptr);
|
|
}
|
|
return ptr;
|
|
},
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': simpleReadValueFromPointer,
|
|
destructorFunction: rawDestructor,
|
|
}];
|
|
});
|
|
}
|
|
|
|
var structRegistrations = {};
|
|
|
|
|
|
|
|
function __embind_finalize_value_object(structType) {
|
|
var reg = structRegistrations[structType];
|
|
delete structRegistrations[structType];
|
|
|
|
var rawConstructor = reg.rawConstructor;
|
|
var rawDestructor = reg.rawDestructor;
|
|
var fieldRecords = reg.fields;
|
|
var fieldTypes = fieldRecords.map((field) => field.getterReturnType).
|
|
concat(fieldRecords.map((field) => field.setterArgumentType));
|
|
whenDependentTypesAreResolved([structType], fieldTypes, (fieldTypes) => {
|
|
var fields = {};
|
|
fieldRecords.forEach((field, i) => {
|
|
var fieldName = field.fieldName;
|
|
var getterReturnType = fieldTypes[i];
|
|
var getter = field.getter;
|
|
var getterContext = field.getterContext;
|
|
var setterArgumentType = fieldTypes[i + fieldRecords.length];
|
|
var setter = field.setter;
|
|
var setterContext = field.setterContext;
|
|
fields[fieldName] = {
|
|
read: (ptr) => {
|
|
return getterReturnType['fromWireType'](
|
|
getter(getterContext, ptr));
|
|
},
|
|
write: (ptr, o) => {
|
|
var destructors = [];
|
|
setter(setterContext, ptr, setterArgumentType['toWireType'](destructors, o));
|
|
runDestructors(destructors);
|
|
}
|
|
};
|
|
});
|
|
|
|
return [{
|
|
name: reg.name,
|
|
'fromWireType': function(ptr) {
|
|
var rv = {};
|
|
for (var i in fields) {
|
|
rv[i] = fields[i].read(ptr);
|
|
}
|
|
rawDestructor(ptr);
|
|
return rv;
|
|
},
|
|
'toWireType': function(destructors, o) {
|
|
// todo: Here we have an opportunity for -O3 level "unsafe" optimizations:
|
|
// assume all fields are present without checking.
|
|
for (var fieldName in fields) {
|
|
if (!(fieldName in o)) {
|
|
throw new TypeError('Missing field: "' + fieldName + '"');
|
|
}
|
|
}
|
|
var ptr = rawConstructor();
|
|
for (fieldName in fields) {
|
|
fields[fieldName].write(ptr, o[fieldName]);
|
|
}
|
|
if (destructors !== null) {
|
|
destructors.push(rawDestructor, ptr);
|
|
}
|
|
return ptr;
|
|
},
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': simpleReadValueFromPointer,
|
|
destructorFunction: rawDestructor,
|
|
}];
|
|
});
|
|
}
|
|
|
|
function __embind_register_bigint(primitiveType, name, size, minRange, maxRange) {}
|
|
|
|
function getShiftFromSize(size) {
|
|
switch (size) {
|
|
case 1: return 0;
|
|
case 2: return 1;
|
|
case 4: return 2;
|
|
case 8: return 3;
|
|
default:
|
|
throw new TypeError('Unknown type size: ' + size);
|
|
}
|
|
}
|
|
|
|
function embind_init_charCodes() {
|
|
var codes = new Array(256);
|
|
for (var i = 0; i < 256; ++i) {
|
|
codes[i] = String.fromCharCode(i);
|
|
}
|
|
embind_charCodes = codes;
|
|
}
|
|
var embind_charCodes = undefined;
|
|
function readLatin1String(ptr) {
|
|
var ret = "";
|
|
var c = ptr;
|
|
while (HEAPU8[c]) {
|
|
ret += embind_charCodes[HEAPU8[c++]];
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
|
|
var BindingError = undefined;
|
|
function throwBindingError(message) {
|
|
throw new BindingError(message);
|
|
}
|
|
|
|
/** @param {Object=} options */
|
|
function registerType(rawType, registeredInstance, options = {}) {
|
|
if (!('argPackAdvance' in registeredInstance)) {
|
|
throw new TypeError('registerType registeredInstance requires argPackAdvance');
|
|
}
|
|
|
|
var name = registeredInstance.name;
|
|
if (!rawType) {
|
|
throwBindingError('type "' + name + '" must have a positive integer typeid pointer');
|
|
}
|
|
if (registeredTypes.hasOwnProperty(rawType)) {
|
|
if (options.ignoreDuplicateRegistrations) {
|
|
return;
|
|
} else {
|
|
throwBindingError("Cannot register type '" + name + "' twice");
|
|
}
|
|
}
|
|
|
|
registeredTypes[rawType] = registeredInstance;
|
|
delete typeDependencies[rawType];
|
|
|
|
if (awaitingDependencies.hasOwnProperty(rawType)) {
|
|
var callbacks = awaitingDependencies[rawType];
|
|
delete awaitingDependencies[rawType];
|
|
callbacks.forEach((cb) => cb());
|
|
}
|
|
}
|
|
function __embind_register_bool(rawType, name, size, trueValue, falseValue) {
|
|
var shift = getShiftFromSize(size);
|
|
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name: name,
|
|
'fromWireType': function(wt) {
|
|
// ambiguous emscripten ABI: sometimes return values are
|
|
// true or false, and sometimes integers (0 or 1)
|
|
return !!wt;
|
|
},
|
|
'toWireType': function(destructors, o) {
|
|
return o ? trueValue : falseValue;
|
|
},
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': function(pointer) {
|
|
// TODO: if heap is fixed (like in asm.js) this could be executed outside
|
|
var heap;
|
|
if (size === 1) {
|
|
heap = HEAP8;
|
|
} else if (size === 2) {
|
|
heap = HEAP16;
|
|
} else if (size === 4) {
|
|
heap = HEAP32;
|
|
} else {
|
|
throw new TypeError("Unknown boolean type size: " + name);
|
|
}
|
|
return this['fromWireType'](heap[pointer >> shift]);
|
|
},
|
|
destructorFunction: null, // This type does not need a destructor
|
|
});
|
|
}
|
|
|
|
|
|
function ClassHandle_isAliasOf(other) {
|
|
if (!(this instanceof ClassHandle)) {
|
|
return false;
|
|
}
|
|
if (!(other instanceof ClassHandle)) {
|
|
return false;
|
|
}
|
|
|
|
var leftClass = this.$$.ptrType.registeredClass;
|
|
var left = this.$$.ptr;
|
|
var rightClass = other.$$.ptrType.registeredClass;
|
|
var right = other.$$.ptr;
|
|
|
|
while (leftClass.baseClass) {
|
|
left = leftClass.upcast(left);
|
|
leftClass = leftClass.baseClass;
|
|
}
|
|
|
|
while (rightClass.baseClass) {
|
|
right = rightClass.upcast(right);
|
|
rightClass = rightClass.baseClass;
|
|
}
|
|
|
|
return leftClass === rightClass && left === right;
|
|
}
|
|
|
|
function shallowCopyInternalPointer(o) {
|
|
return {
|
|
count: o.count,
|
|
deleteScheduled: o.deleteScheduled,
|
|
preservePointerOnDelete: o.preservePointerOnDelete,
|
|
ptr: o.ptr,
|
|
ptrType: o.ptrType,
|
|
smartPtr: o.smartPtr,
|
|
smartPtrType: o.smartPtrType,
|
|
};
|
|
}
|
|
|
|
function throwInstanceAlreadyDeleted(obj) {
|
|
function getInstanceTypeName(handle) {
|
|
return handle.$$.ptrType.registeredClass.name;
|
|
}
|
|
throwBindingError(getInstanceTypeName(obj) + ' instance already deleted');
|
|
}
|
|
|
|
var finalizationRegistry = false;
|
|
|
|
function detachFinalizer(handle) {}
|
|
|
|
function runDestructor($$) {
|
|
if ($$.smartPtr) {
|
|
$$.smartPtrType.rawDestructor($$.smartPtr);
|
|
} else {
|
|
$$.ptrType.registeredClass.rawDestructor($$.ptr);
|
|
}
|
|
}
|
|
function releaseClassHandle($$) {
|
|
$$.count.value -= 1;
|
|
var toDelete = 0 === $$.count.value;
|
|
if (toDelete) {
|
|
runDestructor($$);
|
|
}
|
|
}
|
|
|
|
function downcastPointer(ptr, ptrClass, desiredClass) {
|
|
if (ptrClass === desiredClass) {
|
|
return ptr;
|
|
}
|
|
if (undefined === desiredClass.baseClass) {
|
|
return null; // no conversion
|
|
}
|
|
|
|
var rv = downcastPointer(ptr, ptrClass, desiredClass.baseClass);
|
|
if (rv === null) {
|
|
return null;
|
|
}
|
|
return desiredClass.downcast(rv);
|
|
}
|
|
|
|
var registeredPointers = {};
|
|
|
|
function getInheritedInstanceCount() {
|
|
return Object.keys(registeredInstances).length;
|
|
}
|
|
|
|
function getLiveInheritedInstances() {
|
|
var rv = [];
|
|
for (var k in registeredInstances) {
|
|
if (registeredInstances.hasOwnProperty(k)) {
|
|
rv.push(registeredInstances[k]);
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
var deletionQueue = [];
|
|
function flushPendingDeletes() {
|
|
while (deletionQueue.length) {
|
|
var obj = deletionQueue.pop();
|
|
obj.$$.deleteScheduled = false;
|
|
obj['delete']();
|
|
}
|
|
}
|
|
|
|
var delayFunction = undefined;
|
|
|
|
|
|
function setDelayFunction(fn) {
|
|
delayFunction = fn;
|
|
if (deletionQueue.length && delayFunction) {
|
|
delayFunction(flushPendingDeletes);
|
|
}
|
|
}
|
|
function init_embind() {
|
|
Module['getInheritedInstanceCount'] = getInheritedInstanceCount;
|
|
Module['getLiveInheritedInstances'] = getLiveInheritedInstances;
|
|
Module['flushPendingDeletes'] = flushPendingDeletes;
|
|
Module['setDelayFunction'] = setDelayFunction;
|
|
}
|
|
var registeredInstances = {};
|
|
|
|
function getBasestPointer(class_, ptr) {
|
|
if (ptr === undefined) {
|
|
throwBindingError('ptr should not be undefined');
|
|
}
|
|
while (class_.baseClass) {
|
|
ptr = class_.upcast(ptr);
|
|
class_ = class_.baseClass;
|
|
}
|
|
return ptr;
|
|
}
|
|
function getInheritedInstance(class_, ptr) {
|
|
ptr = getBasestPointer(class_, ptr);
|
|
return registeredInstances[ptr];
|
|
}
|
|
|
|
|
|
function makeClassHandle(prototype, record) {
|
|
if (!record.ptrType || !record.ptr) {
|
|
throwInternalError('makeClassHandle requires ptr and ptrType');
|
|
}
|
|
var hasSmartPtrType = !!record.smartPtrType;
|
|
var hasSmartPtr = !!record.smartPtr;
|
|
if (hasSmartPtrType !== hasSmartPtr) {
|
|
throwInternalError('Both smartPtrType and smartPtr must be specified');
|
|
}
|
|
record.count = { value: 1 };
|
|
return attachFinalizer(Object.create(prototype, {
|
|
$$: {
|
|
value: record,
|
|
},
|
|
}));
|
|
}
|
|
function RegisteredPointer_fromWireType(ptr) {
|
|
// ptr is a raw pointer (or a raw smartpointer)
|
|
|
|
// rawPointer is a maybe-null raw pointer
|
|
var rawPointer = this.getPointee(ptr);
|
|
if (!rawPointer) {
|
|
this.destructor(ptr);
|
|
return null;
|
|
}
|
|
|
|
var registeredInstance = getInheritedInstance(this.registeredClass, rawPointer);
|
|
if (undefined !== registeredInstance) {
|
|
// JS object has been neutered, time to repopulate it
|
|
if (0 === registeredInstance.$$.count.value) {
|
|
registeredInstance.$$.ptr = rawPointer;
|
|
registeredInstance.$$.smartPtr = ptr;
|
|
return registeredInstance['clone']();
|
|
} else {
|
|
// else, just increment reference count on existing object
|
|
// it already has a reference to the smart pointer
|
|
var rv = registeredInstance['clone']();
|
|
this.destructor(ptr);
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
function makeDefaultHandle() {
|
|
if (this.isSmartPointer) {
|
|
return makeClassHandle(this.registeredClass.instancePrototype, {
|
|
ptrType: this.pointeeType,
|
|
ptr: rawPointer,
|
|
smartPtrType: this,
|
|
smartPtr: ptr,
|
|
});
|
|
} else {
|
|
return makeClassHandle(this.registeredClass.instancePrototype, {
|
|
ptrType: this,
|
|
ptr: ptr,
|
|
});
|
|
}
|
|
}
|
|
|
|
var actualType = this.registeredClass.getActualType(rawPointer);
|
|
var registeredPointerRecord = registeredPointers[actualType];
|
|
if (!registeredPointerRecord) {
|
|
return makeDefaultHandle.call(this);
|
|
}
|
|
|
|
var toType;
|
|
if (this.isConst) {
|
|
toType = registeredPointerRecord.constPointerType;
|
|
} else {
|
|
toType = registeredPointerRecord.pointerType;
|
|
}
|
|
var dp = downcastPointer(
|
|
rawPointer,
|
|
this.registeredClass,
|
|
toType.registeredClass);
|
|
if (dp === null) {
|
|
return makeDefaultHandle.call(this);
|
|
}
|
|
if (this.isSmartPointer) {
|
|
return makeClassHandle(toType.registeredClass.instancePrototype, {
|
|
ptrType: toType,
|
|
ptr: dp,
|
|
smartPtrType: this,
|
|
smartPtr: ptr,
|
|
});
|
|
} else {
|
|
return makeClassHandle(toType.registeredClass.instancePrototype, {
|
|
ptrType: toType,
|
|
ptr: dp,
|
|
});
|
|
}
|
|
}
|
|
function attachFinalizer(handle) {
|
|
if ('undefined' === typeof FinalizationRegistry) {
|
|
attachFinalizer = (handle) => handle;
|
|
return handle;
|
|
}
|
|
// If the running environment has a FinalizationRegistry (see
|
|
// https://github.com/tc39/proposal-weakrefs), then attach finalizers
|
|
// for class handles. We check for the presence of FinalizationRegistry
|
|
// at run-time, not build-time.
|
|
finalizationRegistry = new FinalizationRegistry((info) => {
|
|
console.warn(info.leakWarning.stack.replace(/^Error: /, ''));
|
|
releaseClassHandle(info.$$);
|
|
});
|
|
attachFinalizer = (handle) => {
|
|
var $$ = handle.$$;
|
|
var hasSmartPtr = !!$$.smartPtr;
|
|
if (hasSmartPtr) {
|
|
// We should not call the destructor on raw pointers in case other code expects the pointee to live
|
|
var info = { $$: $$ };
|
|
// Create a warning as an Error instance in advance so that we can store
|
|
// the current stacktrace and point to it when / if a leak is detected.
|
|
// This is more useful than the empty stacktrace of `FinalizationRegistry`
|
|
// callback.
|
|
var cls = $$.ptrType.registeredClass;
|
|
info.leakWarning = new Error("Embind found a leaked C++ instance " + cls.name + " <" + ptrToString($$.ptr) + ">.\n" +
|
|
"We'll free it automatically in this case, but this functionality is not reliable across various environments.\n" +
|
|
"Make sure to invoke .delete() manually once you're done with the instance instead.\n" +
|
|
"Originally allocated"); // `.stack` will add "at ..." after this sentence
|
|
if ('captureStackTrace' in Error) {
|
|
Error.captureStackTrace(info.leakWarning, RegisteredPointer_fromWireType);
|
|
}
|
|
finalizationRegistry.register(handle, info, handle);
|
|
}
|
|
return handle;
|
|
};
|
|
detachFinalizer = (handle) => finalizationRegistry.unregister(handle);
|
|
return attachFinalizer(handle);
|
|
}
|
|
function ClassHandle_clone() {
|
|
if (!this.$$.ptr) {
|
|
throwInstanceAlreadyDeleted(this);
|
|
}
|
|
|
|
if (this.$$.preservePointerOnDelete) {
|
|
this.$$.count.value += 1;
|
|
return this;
|
|
} else {
|
|
var clone = attachFinalizer(Object.create(Object.getPrototypeOf(this), {
|
|
$$: {
|
|
value: shallowCopyInternalPointer(this.$$),
|
|
}
|
|
}));
|
|
|
|
clone.$$.count.value += 1;
|
|
clone.$$.deleteScheduled = false;
|
|
return clone;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
function ClassHandle_delete() {
|
|
if (!this.$$.ptr) {
|
|
throwInstanceAlreadyDeleted(this);
|
|
}
|
|
|
|
if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) {
|
|
throwBindingError('Object already scheduled for deletion');
|
|
}
|
|
|
|
detachFinalizer(this);
|
|
releaseClassHandle(this.$$);
|
|
|
|
if (!this.$$.preservePointerOnDelete) {
|
|
this.$$.smartPtr = undefined;
|
|
this.$$.ptr = undefined;
|
|
}
|
|
}
|
|
|
|
function ClassHandle_isDeleted() {
|
|
return !this.$$.ptr;
|
|
}
|
|
|
|
|
|
|
|
function ClassHandle_deleteLater() {
|
|
if (!this.$$.ptr) {
|
|
throwInstanceAlreadyDeleted(this);
|
|
}
|
|
if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) {
|
|
throwBindingError('Object already scheduled for deletion');
|
|
}
|
|
deletionQueue.push(this);
|
|
if (deletionQueue.length === 1 && delayFunction) {
|
|
delayFunction(flushPendingDeletes);
|
|
}
|
|
this.$$.deleteScheduled = true;
|
|
return this;
|
|
}
|
|
function init_ClassHandle() {
|
|
ClassHandle.prototype['isAliasOf'] = ClassHandle_isAliasOf;
|
|
ClassHandle.prototype['clone'] = ClassHandle_clone;
|
|
ClassHandle.prototype['delete'] = ClassHandle_delete;
|
|
ClassHandle.prototype['isDeleted'] = ClassHandle_isDeleted;
|
|
ClassHandle.prototype['deleteLater'] = ClassHandle_deleteLater;
|
|
}
|
|
function ClassHandle() {
|
|
}
|
|
|
|
|
|
|
|
function ensureOverloadTable(proto, methodName, humanName) {
|
|
if (undefined === proto[methodName].overloadTable) {
|
|
var prevFunc = proto[methodName];
|
|
// Inject an overload resolver function that routes to the appropriate overload based on the number of arguments.
|
|
proto[methodName] = function() {
|
|
// TODO This check can be removed in -O3 level "unsafe" optimizations.
|
|
if (!proto[methodName].overloadTable.hasOwnProperty(arguments.length)) {
|
|
throwBindingError("Function '" + humanName + "' called with an invalid number of arguments (" + arguments.length + ") - expects one of (" + proto[methodName].overloadTable + ")!");
|
|
}
|
|
return proto[methodName].overloadTable[arguments.length].apply(this, arguments);
|
|
};
|
|
// Move the previous function into the overload table.
|
|
proto[methodName].overloadTable = [];
|
|
proto[methodName].overloadTable[prevFunc.argCount] = prevFunc;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} numArguments */
|
|
function exposePublicSymbol(name, value, numArguments) {
|
|
if (Module.hasOwnProperty(name)) {
|
|
if (undefined === numArguments || (undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments])) {
|
|
throwBindingError("Cannot register public name '" + name + "' twice");
|
|
}
|
|
|
|
// We are exposing a function with the same name as an existing function. Create an overload table and a function selector
|
|
// that routes between the two.
|
|
ensureOverloadTable(Module, name, name);
|
|
if (Module.hasOwnProperty(numArguments)) {
|
|
throwBindingError("Cannot register multiple overloads of a function with the same number of arguments (" + numArguments + ")!");
|
|
}
|
|
// Add the new function into the overload table.
|
|
Module[name].overloadTable[numArguments] = value;
|
|
}
|
|
else {
|
|
Module[name] = value;
|
|
if (undefined !== numArguments) {
|
|
Module[name].numArguments = numArguments;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/** @constructor */
|
|
function RegisteredClass(name,
|
|
constructor,
|
|
instancePrototype,
|
|
rawDestructor,
|
|
baseClass,
|
|
getActualType,
|
|
upcast,
|
|
downcast) {
|
|
this.name = name;
|
|
this.constructor = constructor;
|
|
this.instancePrototype = instancePrototype;
|
|
this.rawDestructor = rawDestructor;
|
|
this.baseClass = baseClass;
|
|
this.getActualType = getActualType;
|
|
this.upcast = upcast;
|
|
this.downcast = downcast;
|
|
this.pureVirtualFunctions = [];
|
|
}
|
|
|
|
|
|
function upcastPointer(ptr, ptrClass, desiredClass) {
|
|
while (ptrClass !== desiredClass) {
|
|
if (!ptrClass.upcast) {
|
|
throwBindingError("Expected null or instance of " + desiredClass.name + ", got an instance of " + ptrClass.name);
|
|
}
|
|
ptr = ptrClass.upcast(ptr);
|
|
ptrClass = ptrClass.baseClass;
|
|
}
|
|
return ptr;
|
|
}
|
|
function constNoSmartPtrRawPointerToWireType(destructors, handle) {
|
|
if (handle === null) {
|
|
if (this.isReference) {
|
|
throwBindingError('null is not a valid ' + this.name);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (!handle.$$) {
|
|
throwBindingError('Cannot pass "' + embindRepr(handle) + '" as a ' + this.name);
|
|
}
|
|
if (!handle.$$.ptr) {
|
|
throwBindingError('Cannot pass deleted object as a pointer of type ' + this.name);
|
|
}
|
|
var handleClass = handle.$$.ptrType.registeredClass;
|
|
var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
|
|
return ptr;
|
|
}
|
|
|
|
|
|
function genericPointerToWireType(destructors, handle) {
|
|
var ptr;
|
|
if (handle === null) {
|
|
if (this.isReference) {
|
|
throwBindingError('null is not a valid ' + this.name);
|
|
}
|
|
|
|
if (this.isSmartPointer) {
|
|
ptr = this.rawConstructor();
|
|
if (destructors !== null) {
|
|
destructors.push(this.rawDestructor, ptr);
|
|
}
|
|
return ptr;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (!handle.$$) {
|
|
throwBindingError('Cannot pass "' + embindRepr(handle) + '" as a ' + this.name);
|
|
}
|
|
if (!handle.$$.ptr) {
|
|
throwBindingError('Cannot pass deleted object as a pointer of type ' + this.name);
|
|
}
|
|
if (!this.isConst && handle.$$.ptrType.isConst) {
|
|
throwBindingError('Cannot convert argument of type ' + (handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name) + ' to parameter type ' + this.name);
|
|
}
|
|
var handleClass = handle.$$.ptrType.registeredClass;
|
|
ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
|
|
|
|
if (this.isSmartPointer) {
|
|
// TODO: this is not strictly true
|
|
// We could support BY_EMVAL conversions from raw pointers to smart pointers
|
|
// because the smart pointer can hold a reference to the handle
|
|
if (undefined === handle.$$.smartPtr) {
|
|
throwBindingError('Passing raw pointer to smart pointer is illegal');
|
|
}
|
|
|
|
switch (this.sharingPolicy) {
|
|
case 0: // NONE
|
|
// no upcasting
|
|
if (handle.$$.smartPtrType === this) {
|
|
ptr = handle.$$.smartPtr;
|
|
} else {
|
|
throwBindingError('Cannot convert argument of type ' + (handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name) + ' to parameter type ' + this.name);
|
|
}
|
|
break;
|
|
|
|
case 1: // INTRUSIVE
|
|
ptr = handle.$$.smartPtr;
|
|
break;
|
|
|
|
case 2: // BY_EMVAL
|
|
if (handle.$$.smartPtrType === this) {
|
|
ptr = handle.$$.smartPtr;
|
|
} else {
|
|
var clonedHandle = handle['clone']();
|
|
ptr = this.rawShare(
|
|
ptr,
|
|
Emval.toHandle(function() {
|
|
clonedHandle['delete']();
|
|
})
|
|
);
|
|
if (destructors !== null) {
|
|
destructors.push(this.rawDestructor, ptr);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
throwBindingError('Unsupporting sharing policy');
|
|
}
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
|
|
function nonConstNoSmartPtrRawPointerToWireType(destructors, handle) {
|
|
if (handle === null) {
|
|
if (this.isReference) {
|
|
throwBindingError('null is not a valid ' + this.name);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (!handle.$$) {
|
|
throwBindingError('Cannot pass "' + embindRepr(handle) + '" as a ' + this.name);
|
|
}
|
|
if (!handle.$$.ptr) {
|
|
throwBindingError('Cannot pass deleted object as a pointer of type ' + this.name);
|
|
}
|
|
if (handle.$$.ptrType.isConst) {
|
|
throwBindingError('Cannot convert argument of type ' + handle.$$.ptrType.name + ' to parameter type ' + this.name);
|
|
}
|
|
var handleClass = handle.$$.ptrType.registeredClass;
|
|
var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
|
|
return ptr;
|
|
}
|
|
|
|
|
|
function RegisteredPointer_getPointee(ptr) {
|
|
if (this.rawGetPointee) {
|
|
ptr = this.rawGetPointee(ptr);
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
function RegisteredPointer_destructor(ptr) {
|
|
if (this.rawDestructor) {
|
|
this.rawDestructor(ptr);
|
|
}
|
|
}
|
|
|
|
function RegisteredPointer_deleteObject(handle) {
|
|
if (handle !== null) {
|
|
handle['delete']();
|
|
}
|
|
}
|
|
|
|
function init_RegisteredPointer() {
|
|
RegisteredPointer.prototype.getPointee = RegisteredPointer_getPointee;
|
|
RegisteredPointer.prototype.destructor = RegisteredPointer_destructor;
|
|
RegisteredPointer.prototype['argPackAdvance'] = 8;
|
|
RegisteredPointer.prototype['readValueFromPointer'] = simpleReadValueFromPointer;
|
|
RegisteredPointer.prototype['deleteObject'] = RegisteredPointer_deleteObject;
|
|
RegisteredPointer.prototype['fromWireType'] = RegisteredPointer_fromWireType;
|
|
}
|
|
/** @constructor
|
|
@param {*=} pointeeType,
|
|
@param {*=} sharingPolicy,
|
|
@param {*=} rawGetPointee,
|
|
@param {*=} rawConstructor,
|
|
@param {*=} rawShare,
|
|
@param {*=} rawDestructor,
|
|
*/
|
|
function RegisteredPointer(
|
|
name,
|
|
registeredClass,
|
|
isReference,
|
|
isConst,
|
|
|
|
// smart pointer properties
|
|
isSmartPointer,
|
|
pointeeType,
|
|
sharingPolicy,
|
|
rawGetPointee,
|
|
rawConstructor,
|
|
rawShare,
|
|
rawDestructor
|
|
) {
|
|
this.name = name;
|
|
this.registeredClass = registeredClass;
|
|
this.isReference = isReference;
|
|
this.isConst = isConst;
|
|
|
|
// smart pointer properties
|
|
this.isSmartPointer = isSmartPointer;
|
|
this.pointeeType = pointeeType;
|
|
this.sharingPolicy = sharingPolicy;
|
|
this.rawGetPointee = rawGetPointee;
|
|
this.rawConstructor = rawConstructor;
|
|
this.rawShare = rawShare;
|
|
this.rawDestructor = rawDestructor;
|
|
|
|
if (!isSmartPointer && registeredClass.baseClass === undefined) {
|
|
if (isConst) {
|
|
this['toWireType'] = constNoSmartPtrRawPointerToWireType;
|
|
this.destructorFunction = null;
|
|
} else {
|
|
this['toWireType'] = nonConstNoSmartPtrRawPointerToWireType;
|
|
this.destructorFunction = null;
|
|
}
|
|
} else {
|
|
this['toWireType'] = genericPointerToWireType;
|
|
// Here we must leave this.destructorFunction undefined, since whether genericPointerToWireType returns
|
|
// a pointer that needs to be freed up is runtime-dependent, and cannot be evaluated at registration time.
|
|
// TODO: Create an alternative mechanism that allows removing the use of var destructors = []; array in
|
|
// craftInvokerFunction altogether.
|
|
}
|
|
}
|
|
|
|
/** @param {number=} numArguments */
|
|
function replacePublicSymbol(name, value, numArguments) {
|
|
if (!Module.hasOwnProperty(name)) {
|
|
throwInternalError('Replacing nonexistant public symbol');
|
|
}
|
|
// If there's an overload table for this symbol, replace the symbol in the overload table instead.
|
|
if (undefined !== Module[name].overloadTable && undefined !== numArguments) {
|
|
Module[name].overloadTable[numArguments] = value;
|
|
}
|
|
else {
|
|
Module[name] = value;
|
|
Module[name].argCount = numArguments;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
function dynCallLegacy(sig, ptr, args) {
|
|
assert(('dynCall_' + sig) in Module, 'bad function pointer type - dynCall function not found for sig \'' + sig + '\'');
|
|
if (args && args.length) {
|
|
// j (64-bit integer) must be passed in as two numbers [low 32, high 32].
|
|
assert(args.length === sig.substring(1).replace(/j/g, '--').length);
|
|
} else {
|
|
assert(sig.length == 1);
|
|
}
|
|
var f = Module['dynCall_' + sig];
|
|
return args && args.length ? f.apply(null, [ptr].concat(args)) : f.call(null, ptr);
|
|
}
|
|
|
|
var wasmTableMirror = [];
|
|
|
|
function 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;
|
|
}
|
|
|
|
/** @param {Object=} args */
|
|
function dynCall(sig, ptr, args) {
|
|
// Without WASM_BIGINT support we cannot directly call function with i64 as
|
|
// part of thier signature, so we rely the dynCall functions generated by
|
|
// wasm-emscripten-finalize
|
|
if (sig.includes('j')) {
|
|
return dynCallLegacy(sig, ptr, args);
|
|
}
|
|
assert(getWasmTableEntry(ptr), 'missing table entry in dynCall: ' + ptr);
|
|
var rtn = getWasmTableEntry(ptr).apply(null, args);
|
|
return rtn;
|
|
}
|
|
|
|
function getDynCaller(sig, ptr) {
|
|
assert(sig.includes('j') || sig.includes('p'), 'getDynCaller should only be called with i64 sigs')
|
|
var argCache = [];
|
|
return function() {
|
|
argCache.length = 0;
|
|
Object.assign(argCache, arguments);
|
|
return dynCall(sig, ptr, argCache);
|
|
};
|
|
}
|
|
|
|
|
|
function embind__requireFunction(signature, rawFunction) {
|
|
signature = readLatin1String(signature);
|
|
|
|
function makeDynCaller() {
|
|
if (signature.includes('j')) {
|
|
return getDynCaller(signature, rawFunction);
|
|
}
|
|
return getWasmTableEntry(rawFunction);
|
|
}
|
|
|
|
var fp = makeDynCaller();
|
|
if (typeof fp != "function") {
|
|
throwBindingError("unknown function pointer with signature " + signature + ": " + rawFunction);
|
|
}
|
|
return fp;
|
|
}
|
|
|
|
|
|
|
|
var UnboundTypeError = undefined;
|
|
|
|
|
|
function getTypeName(type) {
|
|
var ptr = ___getTypeName(type);
|
|
var rv = readLatin1String(ptr);
|
|
_free(ptr);
|
|
return rv;
|
|
}
|
|
function throwUnboundTypeError(message, types) {
|
|
var unboundTypes = [];
|
|
var seen = {};
|
|
function visit(type) {
|
|
if (seen[type]) {
|
|
return;
|
|
}
|
|
if (registeredTypes[type]) {
|
|
return;
|
|
}
|
|
if (typeDependencies[type]) {
|
|
typeDependencies[type].forEach(visit);
|
|
return;
|
|
}
|
|
unboundTypes.push(type);
|
|
seen[type] = true;
|
|
}
|
|
types.forEach(visit);
|
|
|
|
throw new UnboundTypeError(message + ': ' + unboundTypes.map(getTypeName).join([', ']));
|
|
}
|
|
|
|
function __embind_register_class(rawType,
|
|
rawPointerType,
|
|
rawConstPointerType,
|
|
baseClassRawType,
|
|
getActualTypeSignature,
|
|
getActualType,
|
|
upcastSignature,
|
|
upcast,
|
|
downcastSignature,
|
|
downcast,
|
|
name,
|
|
destructorSignature,
|
|
rawDestructor) {
|
|
name = readLatin1String(name);
|
|
getActualType = embind__requireFunction(getActualTypeSignature, getActualType);
|
|
if (upcast) {
|
|
upcast = embind__requireFunction(upcastSignature, upcast);
|
|
}
|
|
if (downcast) {
|
|
downcast = embind__requireFunction(downcastSignature, downcast);
|
|
}
|
|
rawDestructor = embind__requireFunction(destructorSignature, rawDestructor);
|
|
var legalFunctionName = makeLegalFunctionName(name);
|
|
|
|
exposePublicSymbol(legalFunctionName, function() {
|
|
// this code cannot run if baseClassRawType is zero
|
|
throwUnboundTypeError('Cannot construct ' + name + ' due to unbound types', [baseClassRawType]);
|
|
});
|
|
|
|
whenDependentTypesAreResolved(
|
|
[rawType, rawPointerType, rawConstPointerType],
|
|
baseClassRawType ? [baseClassRawType] : [],
|
|
function(base) {
|
|
base = base[0];
|
|
|
|
var baseClass;
|
|
var basePrototype;
|
|
if (baseClassRawType) {
|
|
baseClass = base.registeredClass;
|
|
basePrototype = baseClass.instancePrototype;
|
|
} else {
|
|
basePrototype = ClassHandle.prototype;
|
|
}
|
|
|
|
var constructor = createNamedFunction(legalFunctionName, function() {
|
|
if (Object.getPrototypeOf(this) !== instancePrototype) {
|
|
throw new BindingError("Use 'new' to construct " + name);
|
|
}
|
|
if (undefined === registeredClass.constructor_body) {
|
|
throw new BindingError(name + " has no accessible constructor");
|
|
}
|
|
var body = registeredClass.constructor_body[arguments.length];
|
|
if (undefined === body) {
|
|
throw new BindingError("Tried to invoke ctor of " + name + " with invalid number of parameters (" + arguments.length + ") - expected (" + Object.keys(registeredClass.constructor_body).toString() + ") parameters instead!");
|
|
}
|
|
return body.apply(this, arguments);
|
|
});
|
|
|
|
var instancePrototype = Object.create(basePrototype, {
|
|
constructor: { value: constructor },
|
|
});
|
|
|
|
constructor.prototype = instancePrototype;
|
|
|
|
var registeredClass = new RegisteredClass(name,
|
|
constructor,
|
|
instancePrototype,
|
|
rawDestructor,
|
|
baseClass,
|
|
getActualType,
|
|
upcast,
|
|
downcast);
|
|
|
|
var referenceConverter = new RegisteredPointer(name,
|
|
registeredClass,
|
|
true,
|
|
false,
|
|
false);
|
|
|
|
var pointerConverter = new RegisteredPointer(name + '*',
|
|
registeredClass,
|
|
false,
|
|
false,
|
|
false);
|
|
|
|
var constPointerConverter = new RegisteredPointer(name + ' const*',
|
|
registeredClass,
|
|
false,
|
|
true,
|
|
false);
|
|
|
|
registeredPointers[rawType] = {
|
|
pointerType: pointerConverter,
|
|
constPointerType: constPointerConverter
|
|
};
|
|
|
|
replacePublicSymbol(legalFunctionName, constructor);
|
|
|
|
return [referenceConverter, pointerConverter, constPointerConverter];
|
|
}
|
|
);
|
|
}
|
|
|
|
|
|
function new_(constructor, argumentList) {
|
|
if (!(constructor instanceof Function)) {
|
|
throw new TypeError('new_ called with constructor type ' + typeof(constructor) + " which is not a function");
|
|
}
|
|
/*
|
|
* Previously, the following line was just:
|
|
* function dummy() {};
|
|
* Unfortunately, Chrome was preserving 'dummy' as the object's name, even
|
|
* though at creation, the 'dummy' has the correct constructor name. Thus,
|
|
* objects created with IMVU.new would show up in the debugger as 'dummy',
|
|
* which isn't very helpful. Using IMVU.createNamedFunction addresses the
|
|
* issue. Doublely-unfortunately, there's no way to write a test for this
|
|
* behavior. -NRD 2013.02.22
|
|
*/
|
|
var dummy = createNamedFunction(constructor.name || 'unknownFunctionName', function(){});
|
|
dummy.prototype = constructor.prototype;
|
|
var obj = new dummy;
|
|
|
|
var r = constructor.apply(obj, argumentList);
|
|
return (r instanceof Object) ? r : obj;
|
|
}
|
|
|
|
|
|
function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc) {
|
|
// humanName: a human-readable string name for the function to be generated.
|
|
// argTypes: An array that contains the embind type objects for all types in the function signature.
|
|
// argTypes[0] is the type object for the function return value.
|
|
// argTypes[1] is the type object for function this object/class type, or null if not crafting an invoker for a class method.
|
|
// argTypes[2...] are the actual function parameters.
|
|
// classType: The embind type object for the class to be bound, or null if this is not a method of a class.
|
|
// cppInvokerFunc: JS Function object to the C++-side function that interops into C++ code.
|
|
// cppTargetFunc: Function pointer (an integer to FUNCTION_TABLE) to the target C++ function the cppInvokerFunc will end up calling.
|
|
var argCount = argTypes.length;
|
|
|
|
if (argCount < 2) {
|
|
throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!");
|
|
}
|
|
|
|
var isClassMethodFunc = (argTypes[1] !== null && classType !== null);
|
|
|
|
// Free functions with signature "void function()" do not need an invoker that marshalls between wire types.
|
|
// TODO: This omits argument count check - enable only at -O3 or similar.
|
|
// if (ENABLE_UNSAFE_OPTS && argCount == 2 && argTypes[0].name == "void" && !isClassMethodFunc) {
|
|
// return FUNCTION_TABLE[fn];
|
|
// }
|
|
|
|
// Determine if we need to use a dynamic stack to store the destructors for the function parameters.
|
|
// TODO: Remove this completely once all function invokers are being dynamically generated.
|
|
var needsDestructorStack = false;
|
|
|
|
for (var i = 1; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here.
|
|
if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) { // The type does not define a destructor function - must use dynamic stack
|
|
needsDestructorStack = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
var returns = (argTypes[0].name !== "void");
|
|
|
|
var argsList = "";
|
|
var argsListWired = "";
|
|
for (var i = 0; i < argCount - 2; ++i) {
|
|
argsList += (i!==0?", ":"")+"arg"+i;
|
|
argsListWired += (i!==0?", ":"")+"arg"+i+"Wired";
|
|
}
|
|
|
|
var invokerFnBody =
|
|
"return function "+makeLegalFunctionName(humanName)+"("+argsList+") {\n" +
|
|
"if (arguments.length !== "+(argCount - 2)+") {\n" +
|
|
"throwBindingError('function "+humanName+" called with ' + arguments.length + ' arguments, expected "+(argCount - 2)+" args!');\n" +
|
|
"}\n";
|
|
|
|
if (needsDestructorStack) {
|
|
invokerFnBody += "var destructors = [];\n";
|
|
}
|
|
|
|
var dtorStack = needsDestructorStack ? "destructors" : "null";
|
|
var args1 = ["throwBindingError", "invoker", "fn", "runDestructors", "retType", "classParam"];
|
|
var args2 = [throwBindingError, cppInvokerFunc, cppTargetFunc, runDestructors, argTypes[0], argTypes[1]];
|
|
|
|
if (isClassMethodFunc) {
|
|
invokerFnBody += "var thisWired = classParam.toWireType("+dtorStack+", this);\n";
|
|
}
|
|
|
|
for (var i = 0; i < argCount - 2; ++i) {
|
|
invokerFnBody += "var arg"+i+"Wired = argType"+i+".toWireType("+dtorStack+", arg"+i+"); // "+argTypes[i+2].name+"\n";
|
|
args1.push("argType"+i);
|
|
args2.push(argTypes[i+2]);
|
|
}
|
|
|
|
if (isClassMethodFunc) {
|
|
argsListWired = "thisWired" + (argsListWired.length > 0 ? ", " : "") + argsListWired;
|
|
}
|
|
|
|
invokerFnBody +=
|
|
(returns?"var rv = ":"") + "invoker(fn"+(argsListWired.length>0?", ":"")+argsListWired+");\n";
|
|
|
|
if (needsDestructorStack) {
|
|
invokerFnBody += "runDestructors(destructors);\n";
|
|
} else {
|
|
for (var i = isClassMethodFunc?1:2; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here. Also skip class type if not a method.
|
|
var paramName = (i === 1 ? "thisWired" : ("arg"+(i - 2)+"Wired"));
|
|
if (argTypes[i].destructorFunction !== null) {
|
|
invokerFnBody += paramName+"_dtor("+paramName+"); // "+argTypes[i].name+"\n";
|
|
args1.push(paramName+"_dtor");
|
|
args2.push(argTypes[i].destructorFunction);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (returns) {
|
|
invokerFnBody += "var ret = retType.fromWireType(rv);\n" +
|
|
"return ret;\n";
|
|
} else {
|
|
}
|
|
|
|
invokerFnBody += "}\n";
|
|
|
|
args1.push(invokerFnBody);
|
|
|
|
var invokerFunction = new_(Function, args1).apply(null, args2);
|
|
return invokerFunction;
|
|
}
|
|
|
|
|
|
function heap32VectorToArray(count, firstElement) {
|
|
var array = [];
|
|
for (var i = 0; i < count; i++) {
|
|
// TODO(https://github.com/emscripten-core/emscripten/issues/17310):
|
|
// Find a way to hoist the `>> 2` or `>> 3` out of this loop.
|
|
array.push(HEAPU32[(((firstElement)+(i * 4))>>2)]);
|
|
}
|
|
return array;
|
|
}
|
|
|
|
|
|
|
|
|
|
function __embind_register_class_class_function(rawClassType,
|
|
methodName,
|
|
argCount,
|
|
rawArgTypesAddr,
|
|
invokerSignature,
|
|
rawInvoker,
|
|
fn) {
|
|
var rawArgTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
|
|
methodName = readLatin1String(methodName);
|
|
rawInvoker = embind__requireFunction(invokerSignature, rawInvoker);
|
|
whenDependentTypesAreResolved([], [rawClassType], function(classType) {
|
|
classType = classType[0];
|
|
var humanName = classType.name + '.' + methodName;
|
|
|
|
function unboundTypesHandler() {
|
|
throwUnboundTypeError('Cannot call ' + humanName + ' due to unbound types', rawArgTypes);
|
|
}
|
|
|
|
if (methodName.startsWith("@@")) {
|
|
methodName = Symbol[methodName.substring(2)];
|
|
}
|
|
|
|
var proto = classType.registeredClass.constructor;
|
|
if (undefined === proto[methodName]) {
|
|
// This is the first function to be registered with this name.
|
|
unboundTypesHandler.argCount = argCount-1;
|
|
proto[methodName] = unboundTypesHandler;
|
|
} else {
|
|
// There was an existing function with the same name registered. Set up
|
|
// a function overload routing table.
|
|
ensureOverloadTable(proto, methodName, humanName);
|
|
proto[methodName].overloadTable[argCount-1] = unboundTypesHandler;
|
|
}
|
|
|
|
whenDependentTypesAreResolved([], rawArgTypes, function(argTypes) {
|
|
// Replace the initial unbound-types-handler stub with the proper
|
|
// function. If multiple overloads are registered, the function handlers
|
|
// go into an overload table.
|
|
var invokerArgsArray = [argTypes[0] /* return value */, null /* no class 'this'*/].concat(argTypes.slice(1) /* actual params */);
|
|
var func = craftInvokerFunction(humanName, invokerArgsArray, null /* no class 'this'*/, rawInvoker, fn);
|
|
if (undefined === proto[methodName].overloadTable) {
|
|
func.argCount = argCount-1;
|
|
proto[methodName] = func;
|
|
} else {
|
|
proto[methodName].overloadTable[argCount-1] = func;
|
|
}
|
|
return [];
|
|
});
|
|
return [];
|
|
});
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function __embind_register_class_constructor(
|
|
rawClassType,
|
|
argCount,
|
|
rawArgTypesAddr,
|
|
invokerSignature,
|
|
invoker,
|
|
rawConstructor
|
|
) {
|
|
assert(argCount > 0);
|
|
var rawArgTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
|
|
invoker = embind__requireFunction(invokerSignature, invoker);
|
|
var args = [rawConstructor];
|
|
var destructors = [];
|
|
|
|
whenDependentTypesAreResolved([], [rawClassType], function(classType) {
|
|
classType = classType[0];
|
|
var humanName = 'constructor ' + classType.name;
|
|
|
|
if (undefined === classType.registeredClass.constructor_body) {
|
|
classType.registeredClass.constructor_body = [];
|
|
}
|
|
if (undefined !== classType.registeredClass.constructor_body[argCount - 1]) {
|
|
throw new BindingError("Cannot register multiple constructors with identical number of parameters (" + (argCount-1) + ") for class '" + classType.name + "'! Overload resolution is currently only performed using the parameter count, not actual type info!");
|
|
}
|
|
classType.registeredClass.constructor_body[argCount - 1] = () => {
|
|
throwUnboundTypeError('Cannot construct ' + classType.name + ' due to unbound types', rawArgTypes);
|
|
};
|
|
|
|
whenDependentTypesAreResolved([], rawArgTypes, function(argTypes) {
|
|
// Insert empty slot for context type (argTypes[1]).
|
|
argTypes.splice(1, 0, null);
|
|
classType.registeredClass.constructor_body[argCount - 1] = craftInvokerFunction(humanName, argTypes, null, invoker, rawConstructor);
|
|
return [];
|
|
});
|
|
return [];
|
|
});
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function __embind_register_class_function(rawClassType,
|
|
methodName,
|
|
argCount,
|
|
rawArgTypesAddr, // [ReturnType, ThisType, Args...]
|
|
invokerSignature,
|
|
rawInvoker,
|
|
context,
|
|
isPureVirtual) {
|
|
var rawArgTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
|
|
methodName = readLatin1String(methodName);
|
|
rawInvoker = embind__requireFunction(invokerSignature, rawInvoker);
|
|
|
|
whenDependentTypesAreResolved([], [rawClassType], function(classType) {
|
|
classType = classType[0];
|
|
var humanName = classType.name + '.' + methodName;
|
|
|
|
if (methodName.startsWith("@@")) {
|
|
methodName = Symbol[methodName.substring(2)];
|
|
}
|
|
|
|
if (isPureVirtual) {
|
|
classType.registeredClass.pureVirtualFunctions.push(methodName);
|
|
}
|
|
|
|
function unboundTypesHandler() {
|
|
throwUnboundTypeError('Cannot call ' + humanName + ' due to unbound types', rawArgTypes);
|
|
}
|
|
|
|
var proto = classType.registeredClass.instancePrototype;
|
|
var method = proto[methodName];
|
|
if (undefined === method || (undefined === method.overloadTable && method.className !== classType.name && method.argCount === argCount - 2)) {
|
|
// This is the first overload to be registered, OR we are replacing a
|
|
// function in the base class with a function in the derived class.
|
|
unboundTypesHandler.argCount = argCount - 2;
|
|
unboundTypesHandler.className = classType.name;
|
|
proto[methodName] = unboundTypesHandler;
|
|
} else {
|
|
// There was an existing function with the same name registered. Set up
|
|
// a function overload routing table.
|
|
ensureOverloadTable(proto, methodName, humanName);
|
|
proto[methodName].overloadTable[argCount - 2] = unboundTypesHandler;
|
|
}
|
|
|
|
whenDependentTypesAreResolved([], rawArgTypes, function(argTypes) {
|
|
var memberFunction = craftInvokerFunction(humanName, argTypes, classType, rawInvoker, context);
|
|
|
|
// Replace the initial unbound-handler-stub function with the appropriate member function, now that all types
|
|
// are resolved. If multiple overloads are registered for this function, the function goes into an overload table.
|
|
if (undefined === proto[methodName].overloadTable) {
|
|
// Set argCount in case an overload is registered later
|
|
memberFunction.argCount = argCount - 2;
|
|
proto[methodName] = memberFunction;
|
|
} else {
|
|
proto[methodName].overloadTable[argCount - 2] = memberFunction;
|
|
}
|
|
|
|
return [];
|
|
});
|
|
return [];
|
|
});
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function validateThis(this_, classType, humanName) {
|
|
if (!(this_ instanceof Object)) {
|
|
throwBindingError(humanName + ' with invalid "this": ' + this_);
|
|
}
|
|
if (!(this_ instanceof classType.registeredClass.constructor)) {
|
|
throwBindingError(humanName + ' incompatible with "this" of type ' + this_.constructor.name);
|
|
}
|
|
if (!this_.$$.ptr) {
|
|
throwBindingError('cannot call emscripten binding method ' + humanName + ' on deleted object');
|
|
}
|
|
|
|
// todo: kill this
|
|
return upcastPointer(this_.$$.ptr,
|
|
this_.$$.ptrType.registeredClass,
|
|
classType.registeredClass);
|
|
}
|
|
function __embind_register_class_property(classType,
|
|
fieldName,
|
|
getterReturnType,
|
|
getterSignature,
|
|
getter,
|
|
getterContext,
|
|
setterArgumentType,
|
|
setterSignature,
|
|
setter,
|
|
setterContext) {
|
|
fieldName = readLatin1String(fieldName);
|
|
getter = embind__requireFunction(getterSignature, getter);
|
|
|
|
whenDependentTypesAreResolved([], [classType], function(classType) {
|
|
classType = classType[0];
|
|
var humanName = classType.name + '.' + fieldName;
|
|
var desc = {
|
|
get: function() {
|
|
throwUnboundTypeError('Cannot access ' + humanName + ' due to unbound types', [getterReturnType, setterArgumentType]);
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
};
|
|
if (setter) {
|
|
desc.set = () => {
|
|
throwUnboundTypeError('Cannot access ' + humanName + ' due to unbound types', [getterReturnType, setterArgumentType]);
|
|
};
|
|
} else {
|
|
desc.set = (v) => {
|
|
throwBindingError(humanName + ' is a read-only property');
|
|
};
|
|
}
|
|
|
|
Object.defineProperty(classType.registeredClass.instancePrototype, fieldName, desc);
|
|
|
|
whenDependentTypesAreResolved(
|
|
[],
|
|
(setter ? [getterReturnType, setterArgumentType] : [getterReturnType]),
|
|
function(types) {
|
|
var getterReturnType = types[0];
|
|
var desc = {
|
|
get: function() {
|
|
var ptr = validateThis(this, classType, humanName + ' getter');
|
|
return getterReturnType['fromWireType'](getter(getterContext, ptr));
|
|
},
|
|
enumerable: true
|
|
};
|
|
|
|
if (setter) {
|
|
setter = embind__requireFunction(setterSignature, setter);
|
|
var setterArgumentType = types[1];
|
|
desc.set = function(v) {
|
|
var ptr = validateThis(this, classType, humanName + ' setter');
|
|
var destructors = [];
|
|
setter(setterContext, ptr, setterArgumentType['toWireType'](destructors, v));
|
|
runDestructors(destructors);
|
|
};
|
|
}
|
|
|
|
Object.defineProperty(classType.registeredClass.instancePrototype, fieldName, desc);
|
|
return [];
|
|
});
|
|
|
|
return [];
|
|
});
|
|
}
|
|
|
|
var emval_free_list = [];
|
|
|
|
var emval_handle_array = [{},{value:undefined},{value:null},{value:true},{value:false}];
|
|
function __emval_decref(handle) {
|
|
if (handle > 4 && 0 === --emval_handle_array[handle].refcount) {
|
|
emval_handle_array[handle] = undefined;
|
|
emval_free_list.push(handle);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
function count_emval_handles() {
|
|
var count = 0;
|
|
for (var i = 5; i < emval_handle_array.length; ++i) {
|
|
if (emval_handle_array[i] !== undefined) {
|
|
++count;
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
|
|
function get_first_emval() {
|
|
for (var i = 5; i < emval_handle_array.length; ++i) {
|
|
if (emval_handle_array[i] !== undefined) {
|
|
return emval_handle_array[i];
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
function init_emval() {
|
|
Module['count_emval_handles'] = count_emval_handles;
|
|
Module['get_first_emval'] = get_first_emval;
|
|
}
|
|
var Emval = {toValue:(handle) => {
|
|
if (!handle) {
|
|
throwBindingError('Cannot use deleted val. handle = ' + handle);
|
|
}
|
|
return emval_handle_array[handle].value;
|
|
},toHandle:(value) => {
|
|
switch (value) {
|
|
case undefined: return 1;
|
|
case null: return 2;
|
|
case true: return 3;
|
|
case false: return 4;
|
|
default:{
|
|
var handle = emval_free_list.length ?
|
|
emval_free_list.pop() :
|
|
emval_handle_array.length;
|
|
|
|
emval_handle_array[handle] = {refcount: 1, value: value};
|
|
return handle;
|
|
}
|
|
}
|
|
}};
|
|
|
|
|
|
|
|
function __embind_register_emval(rawType, name) {
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name: name,
|
|
'fromWireType': function(handle) {
|
|
var rv = Emval.toValue(handle);
|
|
__emval_decref(handle);
|
|
return rv;
|
|
},
|
|
'toWireType': function(destructors, value) {
|
|
return Emval.toHandle(value);
|
|
},
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': simpleReadValueFromPointer,
|
|
destructorFunction: null, // This type does not need a destructor
|
|
|
|
// TODO: do we need a deleteObject here? write a test where
|
|
// emval is passed into JS via an interface
|
|
});
|
|
}
|
|
|
|
|
|
|
|
function enumReadValueFromPointer(name, shift, signed) {
|
|
switch (shift) {
|
|
case 0: return function(pointer) {
|
|
var heap = signed ? HEAP8 : HEAPU8;
|
|
return this['fromWireType'](heap[pointer]);
|
|
};
|
|
case 1: return function(pointer) {
|
|
var heap = signed ? HEAP16 : HEAPU16;
|
|
return this['fromWireType'](heap[pointer >> 1]);
|
|
};
|
|
case 2: return function(pointer) {
|
|
var heap = signed ? HEAP32 : HEAPU32;
|
|
return this['fromWireType'](heap[pointer >> 2]);
|
|
};
|
|
default:
|
|
throw new TypeError("Unknown integer type: " + name);
|
|
}
|
|
}
|
|
|
|
|
|
function __embind_register_enum(rawType, name, size, isSigned) {
|
|
var shift = getShiftFromSize(size);
|
|
name = readLatin1String(name);
|
|
|
|
function ctor() {}
|
|
ctor.values = {};
|
|
|
|
registerType(rawType, {
|
|
name: name,
|
|
constructor: ctor,
|
|
'fromWireType': function(c) {
|
|
return this.constructor.values[c];
|
|
},
|
|
'toWireType': function(destructors, c) {
|
|
return c.value;
|
|
},
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': enumReadValueFromPointer(name, shift, isSigned),
|
|
destructorFunction: null,
|
|
});
|
|
exposePublicSymbol(name, ctor);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
function requireRegisteredType(rawType, humanName) {
|
|
var impl = registeredTypes[rawType];
|
|
if (undefined === impl) {
|
|
throwBindingError(humanName + " has unknown type " + getTypeName(rawType));
|
|
}
|
|
return impl;
|
|
}
|
|
function __embind_register_enum_value(rawEnumType, name, enumValue) {
|
|
var enumType = requireRegisteredType(rawEnumType, 'enum');
|
|
name = readLatin1String(name);
|
|
|
|
var Enum = enumType.constructor;
|
|
|
|
var Value = Object.create(enumType.constructor.prototype, {
|
|
value: {value: enumValue},
|
|
constructor: {value: createNamedFunction(enumType.name + '_' + name, function() {})},
|
|
});
|
|
Enum.values[enumValue] = Value;
|
|
Enum[name] = Value;
|
|
}
|
|
|
|
function embindRepr(v) {
|
|
if (v === null) {
|
|
return 'null';
|
|
}
|
|
var t = typeof v;
|
|
if (t === 'object' || t === 'array' || t === 'function') {
|
|
return v.toString();
|
|
} else {
|
|
return '' + v;
|
|
}
|
|
}
|
|
|
|
function floatReadValueFromPointer(name, shift) {
|
|
switch (shift) {
|
|
case 2: return function(pointer) {
|
|
return this['fromWireType'](HEAPF32[pointer >> 2]);
|
|
};
|
|
case 3: return function(pointer) {
|
|
return this['fromWireType'](HEAPF64[pointer >> 3]);
|
|
};
|
|
default:
|
|
throw new TypeError("Unknown float type: " + name);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
function __embind_register_float(rawType, name, size) {
|
|
var shift = getShiftFromSize(size);
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name: name,
|
|
'fromWireType': function(value) {
|
|
return value;
|
|
},
|
|
'toWireType': function(destructors, value) {
|
|
if (typeof value != "number" && typeof value != "boolean") {
|
|
throw new TypeError('Cannot convert "' + embindRepr(value) + '" to ' + this.name);
|
|
}
|
|
// The VM will perform JS to Wasm value conversion, according to the spec:
|
|
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
|
|
return value;
|
|
},
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': floatReadValueFromPointer(name, shift),
|
|
destructorFunction: null, // This type does not need a destructor
|
|
});
|
|
}
|
|
|
|
|
|
|
|
function integerReadValueFromPointer(name, shift, signed) {
|
|
// integers are quite common, so generate very specialized functions
|
|
switch (shift) {
|
|
case 0: return signed ?
|
|
function readS8FromPointer(pointer) { return HEAP8[pointer]; } :
|
|
function readU8FromPointer(pointer) { return HEAPU8[pointer]; };
|
|
case 1: return signed ?
|
|
function readS16FromPointer(pointer) { return HEAP16[pointer >> 1]; } :
|
|
function readU16FromPointer(pointer) { return HEAPU16[pointer >> 1]; };
|
|
case 2: return signed ?
|
|
function readS32FromPointer(pointer) { return HEAP32[pointer >> 2]; } :
|
|
function readU32FromPointer(pointer) { return HEAPU32[pointer >> 2]; };
|
|
default:
|
|
throw new TypeError("Unknown integer type: " + name);
|
|
}
|
|
}
|
|
|
|
|
|
function __embind_register_integer(primitiveType, name, size, minRange, maxRange) {
|
|
name = readLatin1String(name);
|
|
// LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come
|
|
// out as 'i32 -1'. Always treat those as max u32.
|
|
if (maxRange === -1) {
|
|
maxRange = 4294967295;
|
|
}
|
|
|
|
var shift = getShiftFromSize(size);
|
|
|
|
var fromWireType = (value) => value;
|
|
|
|
if (minRange === 0) {
|
|
var bitshift = 32 - 8*size;
|
|
fromWireType = (value) => (value << bitshift) >>> bitshift;
|
|
}
|
|
|
|
var isUnsignedType = (name.includes('unsigned'));
|
|
var checkAssertions = (value, toTypeName) => {
|
|
if (typeof value != "number" && typeof value != "boolean") {
|
|
throw new TypeError('Cannot convert "' + embindRepr(value) + '" to ' + toTypeName);
|
|
}
|
|
if (value < minRange || value > maxRange) {
|
|
throw new TypeError('Passing a number "' + embindRepr(value) + '" from JS side to C/C++ side to an argument of type "' + name + '", which is outside the valid range [' + minRange + ', ' + maxRange + ']!');
|
|
}
|
|
}
|
|
var toWireType;
|
|
if (isUnsignedType) {
|
|
toWireType = function(destructors, value) {
|
|
checkAssertions(value, this.name);
|
|
return value >>> 0;
|
|
}
|
|
} else {
|
|
toWireType = function(destructors, value) {
|
|
checkAssertions(value, this.name);
|
|
// The VM will perform JS to Wasm value conversion, according to the spec:
|
|
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
|
|
return value;
|
|
}
|
|
}
|
|
registerType(primitiveType, {
|
|
name: name,
|
|
'fromWireType': fromWireType,
|
|
'toWireType': toWireType,
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': integerReadValueFromPointer(name, shift, minRange !== 0),
|
|
destructorFunction: null, // This type does not need a destructor
|
|
});
|
|
}
|
|
|
|
|
|
function __embind_register_memory_view(rawType, dataTypeIndex, name) {
|
|
var typeMapping = [
|
|
Int8Array,
|
|
Uint8Array,
|
|
Int16Array,
|
|
Uint16Array,
|
|
Int32Array,
|
|
Uint32Array,
|
|
Float32Array,
|
|
Float64Array,
|
|
];
|
|
|
|
var TA = typeMapping[dataTypeIndex];
|
|
|
|
function decodeMemoryView(handle) {
|
|
handle = handle >> 2;
|
|
var heap = HEAPU32;
|
|
var size = heap[handle]; // in elements
|
|
var data = heap[handle + 1]; // byte offset into emscripten heap
|
|
return new TA(heap.buffer, data, size);
|
|
}
|
|
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name: name,
|
|
'fromWireType': decodeMemoryView,
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': decodeMemoryView,
|
|
}, {
|
|
ignoreDuplicateRegistrations: true,
|
|
});
|
|
}
|
|
|
|
|
|
|
|
|
|
function __embind_register_std_string(rawType, name) {
|
|
name = readLatin1String(name);
|
|
var stdStringIsUTF8
|
|
//process only std::string bindings with UTF8 support, in contrast to e.g. std::basic_string<unsigned char>
|
|
= (name === "std::string");
|
|
|
|
registerType(rawType, {
|
|
name: name,
|
|
'fromWireType': function(value) {
|
|
var length = HEAPU32[((value)>>2)];
|
|
var payload = value + 4;
|
|
|
|
var str;
|
|
if (stdStringIsUTF8) {
|
|
var decodeStartPtr = payload;
|
|
// Looping here to support possible embedded '0' bytes
|
|
for (var i = 0; i <= length; ++i) {
|
|
var currentBytePtr = payload + i;
|
|
if (i == length || HEAPU8[currentBytePtr] == 0) {
|
|
var maxRead = currentBytePtr - decodeStartPtr;
|
|
var stringSegment = UTF8ToString(decodeStartPtr, maxRead);
|
|
if (str === undefined) {
|
|
str = stringSegment;
|
|
} else {
|
|
str += String.fromCharCode(0);
|
|
str += stringSegment;
|
|
}
|
|
decodeStartPtr = currentBytePtr + 1;
|
|
}
|
|
}
|
|
} else {
|
|
var a = new Array(length);
|
|
for (var i = 0; i < length; ++i) {
|
|
a[i] = String.fromCharCode(HEAPU8[payload + i]);
|
|
}
|
|
str = a.join('');
|
|
}
|
|
|
|
_free(value);
|
|
|
|
return str;
|
|
},
|
|
'toWireType': function(destructors, value) {
|
|
if (value instanceof ArrayBuffer) {
|
|
value = new Uint8Array(value);
|
|
}
|
|
|
|
var length;
|
|
var valueIsOfTypeString = (typeof value == 'string');
|
|
|
|
if (!(valueIsOfTypeString || value instanceof Uint8Array || value instanceof Uint8ClampedArray || value instanceof Int8Array)) {
|
|
throwBindingError('Cannot pass non-string to std::string');
|
|
}
|
|
if (stdStringIsUTF8 && valueIsOfTypeString) {
|
|
length = lengthBytesUTF8(value);
|
|
} else {
|
|
length = value.length;
|
|
}
|
|
|
|
// assumes 4-byte alignment
|
|
var base = _malloc(4 + length + 1);
|
|
var ptr = base + 4;
|
|
HEAPU32[((base)>>2)] = length;
|
|
if (stdStringIsUTF8 && valueIsOfTypeString) {
|
|
stringToUTF8(value, ptr, length + 1);
|
|
} else {
|
|
if (valueIsOfTypeString) {
|
|
for (var i = 0; i < length; ++i) {
|
|
var charCode = value.charCodeAt(i);
|
|
if (charCode > 255) {
|
|
_free(ptr);
|
|
throwBindingError('String has UTF-16 code units that do not fit in 8 bits');
|
|
}
|
|
HEAPU8[ptr + i] = charCode;
|
|
}
|
|
} else {
|
|
for (var i = 0; i < length; ++i) {
|
|
HEAPU8[ptr + i] = value[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (destructors !== null) {
|
|
destructors.push(_free, base);
|
|
}
|
|
return base;
|
|
},
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': simpleReadValueFromPointer,
|
|
destructorFunction: function(ptr) { _free(ptr); },
|
|
});
|
|
}
|
|
|
|
|
|
|
|
|
|
var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined;;
|
|
function UTF16ToString(ptr, maxBytesToRead) {
|
|
assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!');
|
|
var endPtr = ptr;
|
|
// TextDecoder needs to know the byte length in advance, it doesn't stop on
|
|
// null terminator by itself.
|
|
// Also, use the length info to avoid running tiny strings through
|
|
// TextDecoder, since .subarray() allocates garbage.
|
|
var idx = endPtr >> 1;
|
|
var maxIdx = idx + maxBytesToRead / 2;
|
|
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
|
|
// will always evaluate to true. This saves on code size.
|
|
while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx;
|
|
endPtr = idx << 1;
|
|
|
|
if (endPtr - ptr > 32 && UTF16Decoder)
|
|
return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
|
|
|
|
// Fallback: decode without UTF16Decoder
|
|
var str = '';
|
|
|
|
// If maxBytesToRead is not passed explicitly, it will be undefined, and the
|
|
// for-loop's condition will always evaluate to true. The loop is then
|
|
// terminated on the first null char.
|
|
for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
|
|
var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
|
|
if (codeUnit == 0) break;
|
|
// fromCharCode constructs a character from a UTF-16 code unit, so we can
|
|
// pass the UTF16 string right through.
|
|
str += String.fromCharCode(codeUnit);
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
function stringToUTF16(str, outPtr, maxBytesToWrite) {
|
|
assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!');
|
|
assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
|
|
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
|
|
if (maxBytesToWrite === undefined) {
|
|
maxBytesToWrite = 0x7FFFFFFF;
|
|
}
|
|
if (maxBytesToWrite < 2) return 0;
|
|
maxBytesToWrite -= 2; // Null terminator.
|
|
var startPtr = outPtr;
|
|
var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length;
|
|
for (var i = 0; i < numCharsToWrite; ++i) {
|
|
// charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
|
|
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
|
|
HEAP16[((outPtr)>>1)] = codeUnit;
|
|
outPtr += 2;
|
|
}
|
|
// Null-terminate the pointer to the HEAP.
|
|
HEAP16[((outPtr)>>1)] = 0;
|
|
return outPtr - startPtr;
|
|
}
|
|
|
|
function lengthBytesUTF16(str) {
|
|
return str.length*2;
|
|
}
|
|
|
|
function UTF32ToString(ptr, maxBytesToRead) {
|
|
assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!');
|
|
var i = 0;
|
|
|
|
var str = '';
|
|
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
|
|
// will always evaluate to true. This saves on code size.
|
|
while (!(i >= maxBytesToRead / 4)) {
|
|
var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
|
|
if (utf32 == 0) break;
|
|
++i;
|
|
// Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
|
|
// See http://unicode.org/faq/utf_bom.html#utf16-3
|
|
if (utf32 >= 0x10000) {
|
|
var ch = utf32 - 0x10000;
|
|
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
|
|
} else {
|
|
str += String.fromCharCode(utf32);
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
function stringToUTF32(str, outPtr, maxBytesToWrite) {
|
|
assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!');
|
|
assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
|
|
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
|
|
if (maxBytesToWrite === undefined) {
|
|
maxBytesToWrite = 0x7FFFFFFF;
|
|
}
|
|
if (maxBytesToWrite < 4) return 0;
|
|
var startPtr = outPtr;
|
|
var endPtr = startPtr + maxBytesToWrite - 4;
|
|
for (var i = 0; i < str.length; ++i) {
|
|
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
|
|
// See http://unicode.org/faq/utf_bom.html#utf16-3
|
|
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
|
|
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
|
|
var trailSurrogate = str.charCodeAt(++i);
|
|
codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
|
|
}
|
|
HEAP32[((outPtr)>>2)] = codeUnit;
|
|
outPtr += 4;
|
|
if (outPtr + 4 > endPtr) break;
|
|
}
|
|
// Null-terminate the pointer to the HEAP.
|
|
HEAP32[((outPtr)>>2)] = 0;
|
|
return outPtr - startPtr;
|
|
}
|
|
|
|
function lengthBytesUTF32(str) {
|
|
var len = 0;
|
|
for (var i = 0; i < str.length; ++i) {
|
|
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
|
|
// See http://unicode.org/faq/utf_bom.html#utf16-3
|
|
var codeUnit = str.charCodeAt(i);
|
|
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate.
|
|
len += 4;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
function __embind_register_std_wstring(rawType, charSize, name) {
|
|
name = readLatin1String(name);
|
|
var decodeString, encodeString, getHeap, lengthBytesUTF, shift;
|
|
if (charSize === 2) {
|
|
decodeString = UTF16ToString;
|
|
encodeString = stringToUTF16;
|
|
lengthBytesUTF = lengthBytesUTF16;
|
|
getHeap = () => HEAPU16;
|
|
shift = 1;
|
|
} else if (charSize === 4) {
|
|
decodeString = UTF32ToString;
|
|
encodeString = stringToUTF32;
|
|
lengthBytesUTF = lengthBytesUTF32;
|
|
getHeap = () => HEAPU32;
|
|
shift = 2;
|
|
}
|
|
registerType(rawType, {
|
|
name: name,
|
|
'fromWireType': function(value) {
|
|
// Code mostly taken from _embind_register_std_string fromWireType
|
|
var length = HEAPU32[value >> 2];
|
|
var HEAP = getHeap();
|
|
var str;
|
|
|
|
var decodeStartPtr = value + 4;
|
|
// Looping here to support possible embedded '0' bytes
|
|
for (var i = 0; i <= length; ++i) {
|
|
var currentBytePtr = value + 4 + i * charSize;
|
|
if (i == length || HEAP[currentBytePtr >> shift] == 0) {
|
|
var maxReadBytes = currentBytePtr - decodeStartPtr;
|
|
var stringSegment = decodeString(decodeStartPtr, maxReadBytes);
|
|
if (str === undefined) {
|
|
str = stringSegment;
|
|
} else {
|
|
str += String.fromCharCode(0);
|
|
str += stringSegment;
|
|
}
|
|
decodeStartPtr = currentBytePtr + charSize;
|
|
}
|
|
}
|
|
|
|
_free(value);
|
|
|
|
return str;
|
|
},
|
|
'toWireType': function(destructors, value) {
|
|
if (!(typeof value == 'string')) {
|
|
throwBindingError('Cannot pass non-string to C++ string type ' + name);
|
|
}
|
|
|
|
// assumes 4-byte alignment
|
|
var length = lengthBytesUTF(value);
|
|
var ptr = _malloc(4 + length + charSize);
|
|
HEAPU32[ptr >> 2] = length >> shift;
|
|
|
|
encodeString(value, ptr + 4, length + charSize);
|
|
|
|
if (destructors !== null) {
|
|
destructors.push(_free, ptr);
|
|
}
|
|
return ptr;
|
|
},
|
|
'argPackAdvance': 8,
|
|
'readValueFromPointer': simpleReadValueFromPointer,
|
|
destructorFunction: function(ptr) { _free(ptr); },
|
|
});
|
|
}
|
|
|
|
|
|
|
|
function __embind_register_value_array(
|
|
rawType,
|
|
name,
|
|
constructorSignature,
|
|
rawConstructor,
|
|
destructorSignature,
|
|
rawDestructor
|
|
) {
|
|
tupleRegistrations[rawType] = {
|
|
name: readLatin1String(name),
|
|
rawConstructor: embind__requireFunction(constructorSignature, rawConstructor),
|
|
rawDestructor: embind__requireFunction(destructorSignature, rawDestructor),
|
|
elements: [],
|
|
};
|
|
}
|
|
|
|
|
|
function __embind_register_value_array_element(
|
|
rawTupleType,
|
|
getterReturnType,
|
|
getterSignature,
|
|
getter,
|
|
getterContext,
|
|
setterArgumentType,
|
|
setterSignature,
|
|
setter,
|
|
setterContext
|
|
) {
|
|
tupleRegistrations[rawTupleType].elements.push({
|
|
getterReturnType: getterReturnType,
|
|
getter: embind__requireFunction(getterSignature, getter),
|
|
getterContext: getterContext,
|
|
setterArgumentType: setterArgumentType,
|
|
setter: embind__requireFunction(setterSignature, setter),
|
|
setterContext: setterContext,
|
|
});
|
|
}
|
|
|
|
|
|
|
|
function __embind_register_value_object(
|
|
rawType,
|
|
name,
|
|
constructorSignature,
|
|
rawConstructor,
|
|
destructorSignature,
|
|
rawDestructor
|
|
) {
|
|
structRegistrations[rawType] = {
|
|
name: readLatin1String(name),
|
|
rawConstructor: embind__requireFunction(constructorSignature, rawConstructor),
|
|
rawDestructor: embind__requireFunction(destructorSignature, rawDestructor),
|
|
fields: [],
|
|
};
|
|
}
|
|
|
|
|
|
|
|
function __embind_register_value_object_field(
|
|
structType,
|
|
fieldName,
|
|
getterReturnType,
|
|
getterSignature,
|
|
getter,
|
|
getterContext,
|
|
setterArgumentType,
|
|
setterSignature,
|
|
setter,
|
|
setterContext
|
|
) {
|
|
structRegistrations[structType].fields.push({
|
|
fieldName: readLatin1String(fieldName),
|
|
getterReturnType: getterReturnType,
|
|
getter: embind__requireFunction(getterSignature, getter),
|
|
getterContext: getterContext,
|
|
setterArgumentType: setterArgumentType,
|
|
setter: embind__requireFunction(setterSignature, setter),
|
|
setterContext: setterContext,
|
|
});
|
|
}
|
|
|
|
|
|
function __embind_register_void(rawType, name) {
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
isVoid: true, // void return values can be optimized out sometimes
|
|
name: name,
|
|
'argPackAdvance': 0,
|
|
'fromWireType': function() {
|
|
return undefined;
|
|
},
|
|
'toWireType': function(destructors, o) {
|
|
// TODO: assert if anything else is given?
|
|
return undefined;
|
|
},
|
|
});
|
|
}
|
|
|
|
var nowIsMonotonic = true;;
|
|
function __emscripten_get_now_is_monotonic() {
|
|
return nowIsMonotonic;
|
|
}
|
|
|
|
|
|
function __emval_as(handle, returnType, destructorsRef) {
|
|
handle = Emval.toValue(handle);
|
|
returnType = requireRegisteredType(returnType, 'emval::as');
|
|
var destructors = [];
|
|
var rd = Emval.toHandle(destructors);
|
|
HEAPU32[((destructorsRef)>>2)] = rd;
|
|
return returnType['toWireType'](destructors, handle);
|
|
}
|
|
|
|
function emval_allocateDestructors(destructorsRef) {
|
|
var destructors = [];
|
|
HEAPU32[((destructorsRef)>>2)] = Emval.toHandle(destructors);
|
|
return destructors;
|
|
}
|
|
|
|
var emval_symbols = {};
|
|
|
|
function getStringOrSymbol(address) {
|
|
var symbol = emval_symbols[address];
|
|
if (symbol === undefined) {
|
|
return readLatin1String(address);
|
|
}
|
|
return symbol;
|
|
}
|
|
|
|
var emval_methodCallers = [];
|
|
|
|
function __emval_call_method(caller, handle, methodName, destructorsRef, args) {
|
|
caller = emval_methodCallers[caller];
|
|
handle = Emval.toValue(handle);
|
|
methodName = getStringOrSymbol(methodName);
|
|
return caller(handle, methodName, emval_allocateDestructors(destructorsRef), args);
|
|
}
|
|
|
|
|
|
|
|
|
|
function __emval_call_void_method(caller, handle, methodName, args) {
|
|
caller = emval_methodCallers[caller];
|
|
handle = Emval.toValue(handle);
|
|
methodName = getStringOrSymbol(methodName);
|
|
caller(handle, methodName, null, args);
|
|
}
|
|
|
|
|
|
function __emval_equals(first, second) {
|
|
first = Emval.toValue(first);
|
|
second = Emval.toValue(second);
|
|
return first == second;
|
|
}
|
|
|
|
|
|
|
|
function emval_get_global() {
|
|
if (typeof globalThis == 'object') {
|
|
return globalThis;
|
|
}
|
|
return (function(){
|
|
return Function;
|
|
})()('return this')();
|
|
}
|
|
function __emval_get_global(name) {
|
|
if (name===0) {
|
|
return Emval.toHandle(emval_get_global());
|
|
} else {
|
|
name = getStringOrSymbol(name);
|
|
return Emval.toHandle(emval_get_global()[name]);
|
|
}
|
|
}
|
|
|
|
function emval_addMethodCaller(caller) {
|
|
var id = emval_methodCallers.length;
|
|
emval_methodCallers.push(caller);
|
|
return id;
|
|
}
|
|
|
|
function emval_lookupTypes(argCount, argTypes) {
|
|
var a = new Array(argCount);
|
|
for (var i = 0; i < argCount; ++i) {
|
|
a[i] = requireRegisteredType(HEAPU32[(((argTypes)+(i * POINTER_SIZE))>>2)],
|
|
"parameter " + i);
|
|
}
|
|
return a;
|
|
}
|
|
|
|
|
|
|
|
var emval_registeredMethods = [];
|
|
function __emval_get_method_caller(argCount, argTypes) {
|
|
var types = emval_lookupTypes(argCount, argTypes);
|
|
var retType = types[0];
|
|
var signatureName = retType.name + "_$" + types.slice(1).map(function (t) { return t.name; }).join("_") + "$";
|
|
var returnId = emval_registeredMethods[signatureName];
|
|
if (returnId !== undefined) {
|
|
return returnId;
|
|
}
|
|
|
|
var params = ["retType"];
|
|
var args = [retType];
|
|
|
|
var argsList = ""; // 'arg0, arg1, arg2, ... , argN'
|
|
for (var i = 0; i < argCount - 1; ++i) {
|
|
argsList += (i !== 0 ? ", " : "") + "arg" + i;
|
|
params.push("argType" + i);
|
|
args.push(types[1 + i]);
|
|
}
|
|
|
|
var functionName = makeLegalFunctionName("methodCaller_" + signatureName);
|
|
var functionBody =
|
|
"return function " + functionName + "(handle, name, destructors, args) {\n";
|
|
|
|
var offset = 0;
|
|
for (var i = 0; i < argCount - 1; ++i) {
|
|
functionBody +=
|
|
" var arg" + i + " = argType" + i + ".readValueFromPointer(args" + (offset ? ("+"+offset) : "") + ");\n";
|
|
offset += types[i + 1]['argPackAdvance'];
|
|
}
|
|
functionBody +=
|
|
" var rv = handle[name](" + argsList + ");\n";
|
|
for (var i = 0; i < argCount - 1; ++i) {
|
|
if (types[i + 1]['deleteObject']) {
|
|
functionBody +=
|
|
" argType" + i + ".deleteObject(arg" + i + ");\n";
|
|
}
|
|
}
|
|
if (!retType.isVoid) {
|
|
functionBody +=
|
|
" return retType.toWireType(destructors, rv);\n";
|
|
}
|
|
functionBody +=
|
|
"};\n";
|
|
|
|
params.push(functionBody);
|
|
var invokerFunction = new_(Function, params).apply(null, args);
|
|
returnId = emval_addMethodCaller(invokerFunction);
|
|
emval_registeredMethods[signatureName] = returnId;
|
|
return returnId;
|
|
}
|
|
|
|
|
|
function __emval_get_module_property(name) {
|
|
name = getStringOrSymbol(name);
|
|
return Emval.toHandle(Module[name]);
|
|
}
|
|
|
|
function __emval_get_property(handle, key) {
|
|
handle = Emval.toValue(handle);
|
|
key = Emval.toValue(key);
|
|
return Emval.toHandle(handle[key]);
|
|
}
|
|
|
|
function __emval_incref(handle) {
|
|
if (handle > 4) {
|
|
emval_handle_array[handle].refcount += 1;
|
|
}
|
|
}
|
|
|
|
function __emval_instanceof(object, constructor) {
|
|
object = Emval.toValue(object);
|
|
constructor = Emval.toValue(constructor);
|
|
return object instanceof constructor;
|
|
}
|
|
|
|
function __emval_is_number(handle) {
|
|
handle = Emval.toValue(handle);
|
|
return typeof handle == 'number';
|
|
}
|
|
|
|
function __emval_is_string(handle) {
|
|
handle = Emval.toValue(handle);
|
|
return typeof handle == 'string';
|
|
}
|
|
|
|
|
|
function craftEmvalAllocator(argCount) {
|
|
/*This function returns a new function that looks like this:
|
|
function emval_allocator_3(constructor, argTypes, args) {
|
|
var argType0 = requireRegisteredType(HEAP32[(argTypes >> 2)], "parameter 0");
|
|
var arg0 = argType0['readValueFromPointer'](args);
|
|
var argType1 = requireRegisteredType(HEAP32[(argTypes >> 2) + 1], "parameter 1");
|
|
var arg1 = argType1['readValueFromPointer'](args + 8);
|
|
var argType2 = requireRegisteredType(HEAP32[(argTypes >> 2) + 2], "parameter 2");
|
|
var arg2 = argType2['readValueFromPointer'](args + 16);
|
|
var obj = new constructor(arg0, arg1, arg2);
|
|
return Emval.toHandle(obj);
|
|
} */
|
|
var argsList = "";
|
|
for (var i = 0; i < argCount; ++i) {
|
|
argsList += (i!==0?", ":"")+"arg"+i; // 'arg0, arg1, ..., argn'
|
|
}
|
|
|
|
// The body of the generated function does not have access to enclosing
|
|
// scope where HEAPU64/HEAPU32/etc are defined, and we cannot pass them
|
|
// directly as arguments (like we do the Module object) since memory
|
|
// growth can cause them to be re-bound.
|
|
var getMemory = () => HEAPU32;
|
|
|
|
var functionBody =
|
|
"return function emval_allocator_"+argCount+"(constructor, argTypes, args) {\n" +
|
|
" var HEAPU32 = getMemory();\n";
|
|
|
|
for (var i = 0; i < argCount; ++i) {
|
|
functionBody +=
|
|
"var argType"+i+" = requireRegisteredType(HEAPU32[((argTypes)>>2)], 'parameter "+i+"');\n" +
|
|
"var arg"+i+" = argType"+i+".readValueFromPointer(args);\n" +
|
|
"args += argType"+i+"['argPackAdvance'];\n" +
|
|
"argTypes += 4;\n";
|
|
}
|
|
functionBody +=
|
|
"var obj = new constructor("+argsList+");\n" +
|
|
"return valueToHandle(obj);\n" +
|
|
"}\n";
|
|
|
|
/*jshint evil:true*/
|
|
return (new Function("requireRegisteredType", "Module", "valueToHandle", "getMemory" , functionBody))(
|
|
requireRegisteredType, Module, Emval.toHandle, getMemory);
|
|
}
|
|
|
|
var emval_newers = {};
|
|
|
|
function __emval_new(handle, argCount, argTypes, args) {
|
|
handle = Emval.toValue(handle);
|
|
|
|
var newer = emval_newers[argCount];
|
|
if (!newer) {
|
|
newer = craftEmvalAllocator(argCount);
|
|
emval_newers[argCount] = newer;
|
|
}
|
|
|
|
return newer(handle, argTypes, args);
|
|
}
|
|
|
|
function __emval_new_array() {
|
|
return Emval.toHandle([]);
|
|
}
|
|
|
|
|
|
function __emval_new_cstring(v) {
|
|
return Emval.toHandle(getStringOrSymbol(v));
|
|
}
|
|
|
|
function __emval_new_object() {
|
|
return Emval.toHandle({});
|
|
}
|
|
|
|
|
|
|
|
function __emval_run_destructors(handle) {
|
|
var destructors = Emval.toValue(handle);
|
|
runDestructors(destructors);
|
|
__emval_decref(handle);
|
|
}
|
|
|
|
function __emval_set_property(handle, key, value) {
|
|
handle = Emval.toValue(handle);
|
|
key = Emval.toValue(key);
|
|
value = Emval.toValue(value);
|
|
handle[key] = value;
|
|
}
|
|
|
|
|
|
function __emval_take_value(type, arg) {
|
|
type = requireRegisteredType(type, '_emval_take_value');
|
|
var v = type['readValueFromPointer'](arg);
|
|
return Emval.toHandle(v);
|
|
}
|
|
|
|
function readI53FromI64(ptr) {
|
|
return HEAPU32[ptr>>2] + HEAP32[ptr+4>>2] * 4294967296;
|
|
}
|
|
function __gmtime_js(time, tmPtr) {
|
|
var date = new Date(readI53FromI64(time)*1000);
|
|
HEAP32[((tmPtr)>>2)] = date.getUTCSeconds();
|
|
HEAP32[(((tmPtr)+(4))>>2)] = date.getUTCMinutes();
|
|
HEAP32[(((tmPtr)+(8))>>2)] = date.getUTCHours();
|
|
HEAP32[(((tmPtr)+(12))>>2)] = date.getUTCDate();
|
|
HEAP32[(((tmPtr)+(16))>>2)] = date.getUTCMonth();
|
|
HEAP32[(((tmPtr)+(20))>>2)] = date.getUTCFullYear()-1900;
|
|
HEAP32[(((tmPtr)+(24))>>2)] = date.getUTCDay();
|
|
var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
|
|
var yday = ((date.getTime() - start) / (1000 * 60 * 60 * 24))|0;
|
|
HEAP32[(((tmPtr)+(28))>>2)] = yday;
|
|
}
|
|
|
|
|
|
function __isLeapYear(year) {
|
|
return 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];
|
|
function __yday_from_date(date) {
|
|
var isLeapYear = __isLeapYear(date.getFullYear());
|
|
var monthDaysCumulative = (isLeapYear ? __MONTH_DAYS_LEAP_CUMULATIVE : __MONTH_DAYS_REGULAR_CUMULATIVE);
|
|
var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1; // -1 since it's days since Jan 1
|
|
|
|
return yday;
|
|
}
|
|
function __localtime_js(time, tmPtr) {
|
|
var date = new Date(readI53FromI64(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 = __yday_from_date(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;
|
|
}
|
|
|
|
function __mktime_js(tmPtr) {
|
|
var date = new Date(HEAP32[(((tmPtr)+(20))>>2)] + 1900,
|
|
HEAP32[(((tmPtr)+(16))>>2)],
|
|
HEAP32[(((tmPtr)+(12))>>2)],
|
|
HEAP32[(((tmPtr)+(8))>>2)],
|
|
HEAP32[(((tmPtr)+(4))>>2)],
|
|
HEAP32[((tmPtr)>>2)],
|
|
0);
|
|
|
|
// There's an ambiguous hour when the time goes back; the tm_isdst field is
|
|
// used to disambiguate it. Date() basically guesses, so we fix it up if it
|
|
// guessed wrong, or fill in tm_isdst with the guess if it's -1.
|
|
var dst = HEAP32[(((tmPtr)+(32))>>2)];
|
|
var guessedOffset = date.getTimezoneOffset();
|
|
var start = new Date(date.getFullYear(), 0, 1);
|
|
var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
|
|
var winterOffset = start.getTimezoneOffset();
|
|
var dstOffset = Math.min(winterOffset, summerOffset); // DST is in December in South
|
|
if (dst < 0) {
|
|
// Attention: some regions don't have DST at all.
|
|
HEAP32[(((tmPtr)+(32))>>2)] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
|
|
} else if ((dst > 0) != (dstOffset == guessedOffset)) {
|
|
var nonDstOffset = Math.max(winterOffset, summerOffset);
|
|
var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
|
|
// Don't try setMinutes(date.getMinutes() + ...) -- it's messed up.
|
|
date.setTime(date.getTime() + (trueOffset - guessedOffset)*60000);
|
|
}
|
|
|
|
HEAP32[(((tmPtr)+(24))>>2)] = date.getDay();
|
|
var yday = __yday_from_date(date)|0;
|
|
HEAP32[(((tmPtr)+(28))>>2)] = yday;
|
|
// To match expected behavior, update fields from date
|
|
HEAP32[((tmPtr)>>2)] = date.getSeconds();
|
|
HEAP32[(((tmPtr)+(4))>>2)] = date.getMinutes();
|
|
HEAP32[(((tmPtr)+(8))>>2)] = date.getHours();
|
|
HEAP32[(((tmPtr)+(12))>>2)] = date.getDate();
|
|
HEAP32[(((tmPtr)+(16))>>2)] = date.getMonth();
|
|
HEAP32[(((tmPtr)+(20))>>2)] = date.getYear();
|
|
|
|
return (date.getTime() / 1000)|0;
|
|
}
|
|
|
|
function allocateUTF8(str) {
|
|
var size = lengthBytesUTF8(str) + 1;
|
|
var ret = _malloc(size);
|
|
if (ret) stringToUTF8Array(str, HEAP8, ret, size);
|
|
return ret;
|
|
}
|
|
function __tzset_js(timezone, daylight, tzname) {
|
|
// 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);
|
|
|
|
function extractZone(date) {
|
|
var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
|
|
return match ? match[1] : "GMT";
|
|
};
|
|
var winterName = extractZone(winter);
|
|
var summerName = extractZone(summer);
|
|
var winterNamePtr = allocateUTF8(winterName);
|
|
var summerNamePtr = allocateUTF8(summerName);
|
|
if (summerOffset < winterOffset) {
|
|
// Northern hemisphere
|
|
HEAPU32[((tzname)>>2)] = winterNamePtr;
|
|
HEAPU32[(((tzname)+(4))>>2)] = summerNamePtr;
|
|
} else {
|
|
HEAPU32[((tzname)>>2)] = summerNamePtr;
|
|
HEAPU32[(((tzname)+(4))>>2)] = winterNamePtr;
|
|
}
|
|
}
|
|
|
|
function _abort() {
|
|
abort('native code called abort()');
|
|
}
|
|
|
|
function _emscripten_console_error(str) {
|
|
assert(typeof str == 'number');
|
|
console.error(UTF8ToString(str));
|
|
}
|
|
|
|
function _emscripten_date_now() {
|
|
return Date.now();
|
|
}
|
|
|
|
function getHeapMax() {
|
|
// Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
|
|
// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
|
|
// for any code that deals with heap sizes, which would require special
|
|
// casing all heap size related code to treat 0 specially.
|
|
return 2147483648;
|
|
}
|
|
function _emscripten_get_heap_max() {
|
|
return getHeapMax();
|
|
}
|
|
|
|
var _emscripten_get_now;if (ENVIRONMENT_IS_NODE) {
|
|
_emscripten_get_now = () => {
|
|
var t = process['hrtime']();
|
|
return t[0] * 1e3 + t[1] / 1e6;
|
|
};
|
|
} else _emscripten_get_now = () => performance.now();
|
|
;
|
|
|
|
function _emscripten_memcpy_big(dest, src, num) {
|
|
HEAPU8.copyWithin(dest, src, src + num);
|
|
}
|
|
|
|
|
|
function emscripten_realloc_buffer(size) {
|
|
var b = wasmMemory.buffer;
|
|
try {
|
|
// round size grow request up to wasm page size (fixed 64KB per spec)
|
|
wasmMemory.grow((size - b.byteLength + 65535) >>> 16); // .grow() takes a delta compared to the previous size
|
|
updateMemoryViews();
|
|
return 1 /*success*/;
|
|
} catch(e) {
|
|
err('emscripten_realloc_buffer: Attempted to grow heap from ' + b.byteLength + ' bytes to ' + size + ' bytes, but got error: ' + e);
|
|
}
|
|
// implicit 0 return to save code size (caller will cast "undefined" into 0
|
|
// anyhow)
|
|
}
|
|
function _emscripten_resize_heap(requestedSize) {
|
|
var oldSize = HEAPU8.length;
|
|
requestedSize = requestedSize >>> 0;
|
|
// With multithreaded builds, races can happen (another thread might increase the size
|
|
// in between), so return a failure, and let the caller retry.
|
|
assert(requestedSize > oldSize);
|
|
|
|
// Memory resize rules:
|
|
// 1. Always increase heap size to at least the requested size, rounded up
|
|
// to next page multiple.
|
|
// 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
|
|
// geometrically: increase the heap size according to
|
|
// MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
|
|
// overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
|
|
// 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
|
|
// linearly: increase the heap size by at least
|
|
// MEMORY_GROWTH_LINEAR_STEP bytes.
|
|
// 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
|
|
// MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
|
|
// 4. If we were unable to allocate as much memory, it may be due to
|
|
// over-eager decision to excessively reserve due to (3) above.
|
|
// Hence if an allocation fails, cut down on the amount of excess
|
|
// growth, in an attempt to succeed to perform a smaller allocation.
|
|
|
|
// A limit is set for how much we can grow. We should not exceed that
|
|
// (the wasm binary specifies it, so if we tried, we'd fail anyhow).
|
|
var maxHeapSize = getHeapMax();
|
|
if (requestedSize > maxHeapSize) {
|
|
err('Cannot enlarge memory, asked to go up to ' + requestedSize + ' bytes, but the limit is ' + maxHeapSize + ' bytes!');
|
|
return false;
|
|
}
|
|
|
|
let alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
|
|
|
|
// Loop through potential heap size increases. If we attempt a too eager
|
|
// reservation that fails, cut down on the attempted size and reserve a
|
|
// smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
|
|
for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
|
|
var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth
|
|
// but limit overreserving (default to capping at +96MB overgrowth at most)
|
|
overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 );
|
|
|
|
var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
|
|
|
|
var replacement = emscripten_realloc_buffer(newSize);
|
|
if (replacement) {
|
|
|
|
return true;
|
|
}
|
|
}
|
|
err('Failed to grow the heap from ' + oldSize + ' bytes to ' + newSize + ' bytes, not enough memory!');
|
|
return false;
|
|
}
|
|
|
|
var ENV = {};
|
|
|
|
function getExecutableName() {
|
|
return thisProgram || './this.program';
|
|
}
|
|
function 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;
|
|
}
|
|
|
|
/** @param {boolean=} dontAddNull */
|
|
function writeAsciiToMemory(str, buffer, dontAddNull) {
|
|
for (var i = 0; i < str.length; ++i) {
|
|
assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff));
|
|
HEAP8[((buffer++)>>0)] = str.charCodeAt(i);
|
|
}
|
|
// Null-terminate the pointer to the HEAP.
|
|
if (!dontAddNull) HEAP8[((buffer)>>0)] = 0;
|
|
}
|
|
|
|
function _environ_get(__environ, environ_buf) {
|
|
var bufSize = 0;
|
|
getEnvStrings().forEach(function(string, i) {
|
|
var ptr = environ_buf + bufSize;
|
|
HEAPU32[(((__environ)+(i*4))>>2)] = ptr;
|
|
writeAsciiToMemory(string, ptr);
|
|
bufSize += string.length + 1;
|
|
});
|
|
return 0;
|
|
}
|
|
|
|
|
|
function _environ_sizes_get(penviron_count, penviron_buf_size) {
|
|
var strings = getEnvStrings();
|
|
HEAPU32[((penviron_count)>>2)] = strings.length;
|
|
var bufSize = 0;
|
|
strings.forEach(function(string) {
|
|
bufSize += string.length + 1;
|
|
});
|
|
HEAPU32[((penviron_buf_size)>>2)] = bufSize;
|
|
return 0;
|
|
}
|
|
|
|
|
|
function _proc_exit(code) {
|
|
EXITSTATUS = code;
|
|
if (!keepRuntimeAlive()) {
|
|
if (Module['onExit']) Module['onExit'](code);
|
|
ABORT = true;
|
|
}
|
|
quit_(code, new ExitStatus(code));
|
|
}
|
|
/** @param {boolean|number=} implicit */
|
|
function 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 EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)';
|
|
readyPromiseReject(msg);
|
|
err(msg);
|
|
}
|
|
|
|
_proc_exit(status);
|
|
}
|
|
var _exit = exitJS;
|
|
|
|
function _fd_close(fd) {
|
|
try {
|
|
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
FS.close(stream);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} offset */
|
|
function 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 instanceof FS.ErrnoError)) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
|
|
try {
|
|
|
|
var offset = convertI32PairToI53Checked(offset_low, offset_high); 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.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|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 instanceof FS.ErrnoError)) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} offset */
|
|
function 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 instanceof FS.ErrnoError)) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
var FSNode = /** @constructor */ function(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;
|
|
};
|
|
var readMode = 292/*292*/ | 73/*73*/;
|
|
var writeMode = 146/*146*/;
|
|
Object.defineProperties(FSNode.prototype, {
|
|
read: {
|
|
get: /** @this{FSNode} */function() {
|
|
return (this.mode & readMode) === readMode;
|
|
},
|
|
set: /** @this{FSNode} */function(val) {
|
|
val ? this.mode |= readMode : this.mode &= ~readMode;
|
|
}
|
|
},
|
|
write: {
|
|
get: /** @this{FSNode} */function() {
|
|
return (this.mode & writeMode) === writeMode;
|
|
},
|
|
set: /** @this{FSNode} */function(val) {
|
|
val ? this.mode |= writeMode : this.mode &= ~writeMode;
|
|
}
|
|
},
|
|
isFolder: {
|
|
get: /** @this{FSNode} */function() {
|
|
return FS.isDir(this.mode);
|
|
}
|
|
},
|
|
isDevice: {
|
|
get: /** @this{FSNode} */function() {
|
|
return FS.isChrdev(this.mode);
|
|
}
|
|
}
|
|
});
|
|
FS.FSNode = FSNode;
|
|
FS.staticInit();;
|
|
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,
|
|
};;
|
|
InternalError = Module['InternalError'] = extendError(Error, 'InternalError');;
|
|
embind_init_charCodes();
|
|
BindingError = Module['BindingError'] = extendError(Error, 'BindingError');;
|
|
init_ClassHandle();
|
|
init_embind();;
|
|
init_RegisteredPointer();
|
|
UnboundTypeError = Module['UnboundTypeError'] = extendError(Error, 'UnboundTypeError');;
|
|
init_emval();;
|
|
var ASSERTIONS = true;
|
|
|
|
function checkIncomingModuleAPI() {
|
|
ignoredModuleProp('fetchSettings');
|
|
}
|
|
var asmLibraryArg = {
|
|
"__assert_fail": ___assert_fail,
|
|
"__cxa_throw": ___cxa_throw,
|
|
"__syscall_connect": ___syscall_connect,
|
|
"__syscall_faccessat": ___syscall_faccessat,
|
|
"__syscall_fcntl64": ___syscall_fcntl64,
|
|
"__syscall_fstat64": ___syscall_fstat64,
|
|
"__syscall_ftruncate64": ___syscall_ftruncate64,
|
|
"__syscall_ioctl": ___syscall_ioctl,
|
|
"__syscall_lstat64": ___syscall_lstat64,
|
|
"__syscall_newfstatat": ___syscall_newfstatat,
|
|
"__syscall_openat": ___syscall_openat,
|
|
"__syscall_socket": ___syscall_socket,
|
|
"__syscall_stat64": ___syscall_stat64,
|
|
"_embind_finalize_value_array": __embind_finalize_value_array,
|
|
"_embind_finalize_value_object": __embind_finalize_value_object,
|
|
"_embind_register_bigint": __embind_register_bigint,
|
|
"_embind_register_bool": __embind_register_bool,
|
|
"_embind_register_class": __embind_register_class,
|
|
"_embind_register_class_class_function": __embind_register_class_class_function,
|
|
"_embind_register_class_constructor": __embind_register_class_constructor,
|
|
"_embind_register_class_function": __embind_register_class_function,
|
|
"_embind_register_class_property": __embind_register_class_property,
|
|
"_embind_register_emval": __embind_register_emval,
|
|
"_embind_register_enum": __embind_register_enum,
|
|
"_embind_register_enum_value": __embind_register_enum_value,
|
|
"_embind_register_float": __embind_register_float,
|
|
"_embind_register_integer": __embind_register_integer,
|
|
"_embind_register_memory_view": __embind_register_memory_view,
|
|
"_embind_register_std_string": __embind_register_std_string,
|
|
"_embind_register_std_wstring": __embind_register_std_wstring,
|
|
"_embind_register_value_array": __embind_register_value_array,
|
|
"_embind_register_value_array_element": __embind_register_value_array_element,
|
|
"_embind_register_value_object": __embind_register_value_object,
|
|
"_embind_register_value_object_field": __embind_register_value_object_field,
|
|
"_embind_register_void": __embind_register_void,
|
|
"_emscripten_get_now_is_monotonic": __emscripten_get_now_is_monotonic,
|
|
"_emval_as": __emval_as,
|
|
"_emval_call_method": __emval_call_method,
|
|
"_emval_call_void_method": __emval_call_void_method,
|
|
"_emval_decref": __emval_decref,
|
|
"_emval_equals": __emval_equals,
|
|
"_emval_get_global": __emval_get_global,
|
|
"_emval_get_method_caller": __emval_get_method_caller,
|
|
"_emval_get_module_property": __emval_get_module_property,
|
|
"_emval_get_property": __emval_get_property,
|
|
"_emval_incref": __emval_incref,
|
|
"_emval_instanceof": __emval_instanceof,
|
|
"_emval_is_number": __emval_is_number,
|
|
"_emval_is_string": __emval_is_string,
|
|
"_emval_new": __emval_new,
|
|
"_emval_new_array": __emval_new_array,
|
|
"_emval_new_cstring": __emval_new_cstring,
|
|
"_emval_new_object": __emval_new_object,
|
|
"_emval_run_destructors": __emval_run_destructors,
|
|
"_emval_set_property": __emval_set_property,
|
|
"_emval_take_value": __emval_take_value,
|
|
"_gmtime_js": __gmtime_js,
|
|
"_localtime_js": __localtime_js,
|
|
"_mktime_js": __mktime_js,
|
|
"_tzset_js": __tzset_js,
|
|
"abort": _abort,
|
|
"emscripten_console_error": _emscripten_console_error,
|
|
"emscripten_date_now": _emscripten_date_now,
|
|
"emscripten_get_heap_max": _emscripten_get_heap_max,
|
|
"emscripten_get_now": _emscripten_get_now,
|
|
"emscripten_memcpy_big": _emscripten_memcpy_big,
|
|
"emscripten_resize_heap": _emscripten_resize_heap,
|
|
"environ_get": _environ_get,
|
|
"environ_sizes_get": _environ_sizes_get,
|
|
"exit": _exit,
|
|
"fd_close": _fd_close,
|
|
"fd_read": _fd_read,
|
|
"fd_seek": _fd_seek,
|
|
"fd_write": _fd_write
|
|
};
|
|
var asm = createWasm();
|
|
/** @type {function(...*):?} */
|
|
var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors");
|
|
|
|
/** @type {function(...*):?} */
|
|
var _malloc = Module["_malloc"] = createExportWrapper("malloc");
|
|
|
|
/** @type {function(...*):?} */
|
|
var _fflush = Module["_fflush"] = createExportWrapper("fflush");
|
|
|
|
/** @type {function(...*):?} */
|
|
var _free = Module["_free"] = createExportWrapper("free");
|
|
|
|
/** @type {function(...*):?} */
|
|
var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location");
|
|
|
|
/** @type {function(...*):?} */
|
|
var ___getTypeName = Module["___getTypeName"] = createExportWrapper("__getTypeName");
|
|
|
|
/** @type {function(...*):?} */
|
|
var __embind_initialize_bindings = Module["__embind_initialize_bindings"] = createExportWrapper("_embind_initialize_bindings");
|
|
|
|
/** @type {function(...*):?} */
|
|
var _htons = Module["_htons"] = createExportWrapper("htons");
|
|
|
|
/** @type {function(...*):?} */
|
|
var _ntohs = Module["_ntohs"] = createExportWrapper("ntohs");
|
|
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() {
|
|
return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() {
|
|
return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = function() {
|
|
return (_emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() {
|
|
return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var stackSave = Module["stackSave"] = createExportWrapper("stackSave");
|
|
|
|
/** @type {function(...*):?} */
|
|
var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore");
|
|
|
|
/** @type {function(...*):?} */
|
|
var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc");
|
|
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_get_current = Module["_emscripten_stack_get_current"] = function() {
|
|
return (_emscripten_stack_get_current = Module["_emscripten_stack_get_current"] = Module["asm"]["emscripten_stack_get_current"]).apply(null, arguments);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var ___cxa_is_pointer_type = Module["___cxa_is_pointer_type"] = createExportWrapper("__cxa_is_pointer_type");
|
|
|
|
/** @type {function(...*):?} */
|
|
var dynCall_ji = Module["dynCall_ji"] = createExportWrapper("dynCall_ji");
|
|
|
|
/** @type {function(...*):?} */
|
|
var dynCall_iiijii = Module["dynCall_iiijii"] = createExportWrapper("dynCall_iiijii");
|
|
|
|
/** @type {function(...*):?} */
|
|
var dynCall_iij = Module["dynCall_iij"] = createExportWrapper("dynCall_iij");
|
|
|
|
/** @type {function(...*):?} */
|
|
var dynCall_vij = Module["dynCall_vij"] = createExportWrapper("dynCall_vij");
|
|
|
|
/** @type {function(...*):?} */
|
|
var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji");
|
|
|
|
|
|
|
|
|
|
|
|
// === Auto-generated postamble setup entry stuff ===
|
|
|
|
|
|
var unexportedRuntimeSymbols = [
|
|
'run',
|
|
'UTF8ArrayToString',
|
|
'UTF8ToString',
|
|
'stringToUTF8Array',
|
|
'stringToUTF8',
|
|
'lengthBytesUTF8',
|
|
'addOnPreRun',
|
|
'addOnInit',
|
|
'addOnPreMain',
|
|
'addOnExit',
|
|
'addOnPostRun',
|
|
'addRunDependency',
|
|
'removeRunDependency',
|
|
'FS_createFolder',
|
|
'FS_createPath',
|
|
'FS_createDataFile',
|
|
'FS_createPreloadedFile',
|
|
'FS_createLazyFile',
|
|
'FS_createLink',
|
|
'FS_createDevice',
|
|
'FS_unlink',
|
|
'getLEB',
|
|
'getFunctionTables',
|
|
'alignFunctionTables',
|
|
'registerFunctions',
|
|
'prettyPrint',
|
|
'getCompilerSetting',
|
|
'out',
|
|
'err',
|
|
'callMain',
|
|
'abort',
|
|
'keepRuntimeAlive',
|
|
'wasmMemory',
|
|
'stackAlloc',
|
|
'stackSave',
|
|
'stackRestore',
|
|
'getTempRet0',
|
|
'setTempRet0',
|
|
'writeStackCookie',
|
|
'checkStackCookie',
|
|
'ptrToString',
|
|
'zeroMemory',
|
|
'stringToNewUTF8',
|
|
'exitJS',
|
|
'getHeapMax',
|
|
'emscripten_realloc_buffer',
|
|
'ENV',
|
|
'ERRNO_CODES',
|
|
'ERRNO_MESSAGES',
|
|
'setErrNo',
|
|
'inetPton4',
|
|
'inetNtop4',
|
|
'inetPton6',
|
|
'inetNtop6',
|
|
'readSockaddr',
|
|
'writeSockaddr',
|
|
'DNS',
|
|
'getHostByName',
|
|
'Protocols',
|
|
'Sockets',
|
|
'getRandomDevice',
|
|
'warnOnce',
|
|
'traverseStack',
|
|
'UNWIND_CACHE',
|
|
'convertPCtoSourceLocation',
|
|
'readEmAsmArgsArray',
|
|
'readEmAsmArgs',
|
|
'runEmAsmFunction',
|
|
'runMainThreadEmAsm',
|
|
'jstoi_q',
|
|
'jstoi_s',
|
|
'getExecutableName',
|
|
'listenOnce',
|
|
'autoResumeAudioContext',
|
|
'dynCallLegacy',
|
|
'getDynCaller',
|
|
'dynCall',
|
|
'handleException',
|
|
'runtimeKeepalivePush',
|
|
'runtimeKeepalivePop',
|
|
'callUserCallback',
|
|
'maybeExit',
|
|
'safeSetTimeout',
|
|
'asmjsMangle',
|
|
'asyncLoad',
|
|
'alignMemory',
|
|
'mmapAlloc',
|
|
'handleAllocator',
|
|
'writeI53ToI64',
|
|
'writeI53ToI64Clamped',
|
|
'writeI53ToI64Signaling',
|
|
'writeI53ToU64Clamped',
|
|
'writeI53ToU64Signaling',
|
|
'readI53FromI64',
|
|
'readI53FromU64',
|
|
'convertI32PairToI53',
|
|
'convertI32PairToI53Checked',
|
|
'convertU32PairToI53',
|
|
'getCFunc',
|
|
'ccall',
|
|
'cwrap',
|
|
'uleb128Encode',
|
|
'sigToWasmTypes',
|
|
'generateFuncType',
|
|
'convertJsFunctionToWasm',
|
|
'freeTableIndexes',
|
|
'functionsInTableMap',
|
|
'getEmptyTableSlot',
|
|
'updateTableMap',
|
|
'addFunction',
|
|
'removeFunction',
|
|
'reallyNegative',
|
|
'unSign',
|
|
'strLen',
|
|
'reSign',
|
|
'formatString',
|
|
'setValue',
|
|
'getValue',
|
|
'PATH',
|
|
'PATH_FS',
|
|
'intArrayFromString',
|
|
'intArrayToString',
|
|
'AsciiToString',
|
|
'stringToAscii',
|
|
'UTF16Decoder',
|
|
'UTF16ToString',
|
|
'stringToUTF16',
|
|
'lengthBytesUTF16',
|
|
'UTF32ToString',
|
|
'stringToUTF32',
|
|
'lengthBytesUTF32',
|
|
'allocateUTF8',
|
|
'allocateUTF8OnStack',
|
|
'writeStringToMemory',
|
|
'writeArrayToMemory',
|
|
'writeAsciiToMemory',
|
|
'SYSCALLS',
|
|
'getSocketFromFD',
|
|
'getSocketAddress',
|
|
'JSEvents',
|
|
'registerKeyEventCallback',
|
|
'specialHTMLTargets',
|
|
'maybeCStringToJsString',
|
|
'findEventTarget',
|
|
'findCanvasEventTarget',
|
|
'getBoundingClientRect',
|
|
'fillMouseEventData',
|
|
'registerMouseEventCallback',
|
|
'registerWheelEventCallback',
|
|
'registerUiEventCallback',
|
|
'registerFocusEventCallback',
|
|
'fillDeviceOrientationEventData',
|
|
'registerDeviceOrientationEventCallback',
|
|
'fillDeviceMotionEventData',
|
|
'registerDeviceMotionEventCallback',
|
|
'screenOrientation',
|
|
'fillOrientationChangeEventData',
|
|
'registerOrientationChangeEventCallback',
|
|
'fillFullscreenChangeEventData',
|
|
'registerFullscreenChangeEventCallback',
|
|
'JSEvents_requestFullscreen',
|
|
'JSEvents_resizeCanvasForFullscreen',
|
|
'registerRestoreOldStyle',
|
|
'hideEverythingExceptGivenElement',
|
|
'restoreHiddenElements',
|
|
'setLetterbox',
|
|
'currentFullscreenStrategy',
|
|
'restoreOldWindowedStyle',
|
|
'softFullscreenResizeWebGLRenderTarget',
|
|
'doRequestFullscreen',
|
|
'fillPointerlockChangeEventData',
|
|
'registerPointerlockChangeEventCallback',
|
|
'registerPointerlockErrorEventCallback',
|
|
'requestPointerLock',
|
|
'fillVisibilityChangeEventData',
|
|
'registerVisibilityChangeEventCallback',
|
|
'registerTouchEventCallback',
|
|
'fillGamepadEventData',
|
|
'registerGamepadEventCallback',
|
|
'registerBeforeUnloadEventCallback',
|
|
'fillBatteryEventData',
|
|
'battery',
|
|
'registerBatteryEventCallback',
|
|
'setCanvasElementSize',
|
|
'getCanvasElementSize',
|
|
'demangle',
|
|
'demangleAll',
|
|
'jsStackTrace',
|
|
'stackTrace',
|
|
'ExitStatus',
|
|
'getEnvStrings',
|
|
'checkWasiClock',
|
|
'doReadv',
|
|
'doWritev',
|
|
'dlopenMissingError',
|
|
'createDyncallWrapper',
|
|
'setImmediateWrapped',
|
|
'clearImmediateWrapped',
|
|
'polyfillSetImmediate',
|
|
'promiseMap',
|
|
'newNativePromise',
|
|
'getPromise',
|
|
'uncaughtExceptionCount',
|
|
'exceptionLast',
|
|
'exceptionCaught',
|
|
'ExceptionInfo',
|
|
'exception_addRef',
|
|
'exception_decRef',
|
|
'Browser',
|
|
'setMainLoop',
|
|
'wget',
|
|
'FS',
|
|
'MEMFS',
|
|
'TTY',
|
|
'PIPEFS',
|
|
'SOCKFS',
|
|
'_setNetworkCallback',
|
|
'tempFixedLengthArray',
|
|
'miniTempWebGLFloatBuffers',
|
|
'heapObjectForWebGLType',
|
|
'heapAccessShiftForWebGLHeap',
|
|
'GL',
|
|
'emscriptenWebGLGet',
|
|
'computeUnpackAlignedImageSize',
|
|
'emscriptenWebGLGetTexPixelData',
|
|
'emscriptenWebGLGetUniform',
|
|
'webglGetUniformLocation',
|
|
'webglPrepareUniformLocationsBeforeFirstUse',
|
|
'webglGetLeftBracePos',
|
|
'emscriptenWebGLGetVertexAttrib',
|
|
'writeGLArray',
|
|
'AL',
|
|
'SDL_unicode',
|
|
'SDL_ttfContext',
|
|
'SDL_audio',
|
|
'SDL',
|
|
'SDL_gfx',
|
|
'GLUT',
|
|
'EGL',
|
|
'GLFW_Window',
|
|
'GLFW',
|
|
'GLEW',
|
|
'IDBStore',
|
|
'runAndAbortIfError',
|
|
'ALLOC_NORMAL',
|
|
'ALLOC_STACK',
|
|
'allocate',
|
|
'InternalError',
|
|
'BindingError',
|
|
'UnboundTypeError',
|
|
'PureVirtualError',
|
|
'init_embind',
|
|
'throwInternalError',
|
|
'throwBindingError',
|
|
'throwUnboundTypeError',
|
|
'ensureOverloadTable',
|
|
'exposePublicSymbol',
|
|
'replacePublicSymbol',
|
|
'extendError',
|
|
'createNamedFunction',
|
|
'embindRepr',
|
|
'registeredInstances',
|
|
'getBasestPointer',
|
|
'registerInheritedInstance',
|
|
'unregisterInheritedInstance',
|
|
'getInheritedInstance',
|
|
'getInheritedInstanceCount',
|
|
'getLiveInheritedInstances',
|
|
'registeredTypes',
|
|
'awaitingDependencies',
|
|
'typeDependencies',
|
|
'registeredPointers',
|
|
'registerType',
|
|
'whenDependentTypesAreResolved',
|
|
'embind_charCodes',
|
|
'embind_init_charCodes',
|
|
'readLatin1String',
|
|
'getTypeName',
|
|
'heap32VectorToArray',
|
|
'requireRegisteredType',
|
|
'getShiftFromSize',
|
|
'integerReadValueFromPointer',
|
|
'enumReadValueFromPointer',
|
|
'floatReadValueFromPointer',
|
|
'simpleReadValueFromPointer',
|
|
'runDestructors',
|
|
'new_',
|
|
'craftInvokerFunction',
|
|
'embind__requireFunction',
|
|
'tupleRegistrations',
|
|
'structRegistrations',
|
|
'genericPointerToWireType',
|
|
'constNoSmartPtrRawPointerToWireType',
|
|
'nonConstNoSmartPtrRawPointerToWireType',
|
|
'init_RegisteredPointer',
|
|
'RegisteredPointer',
|
|
'RegisteredPointer_getPointee',
|
|
'RegisteredPointer_destructor',
|
|
'RegisteredPointer_deleteObject',
|
|
'RegisteredPointer_fromWireType',
|
|
'runDestructor',
|
|
'releaseClassHandle',
|
|
'finalizationRegistry',
|
|
'detachFinalizer_deps',
|
|
'detachFinalizer',
|
|
'attachFinalizer',
|
|
'makeClassHandle',
|
|
'init_ClassHandle',
|
|
'ClassHandle',
|
|
'ClassHandle_isAliasOf',
|
|
'throwInstanceAlreadyDeleted',
|
|
'ClassHandle_clone',
|
|
'ClassHandle_delete',
|
|
'deletionQueue',
|
|
'ClassHandle_isDeleted',
|
|
'ClassHandle_deleteLater',
|
|
'flushPendingDeletes',
|
|
'delayFunction',
|
|
'setDelayFunction',
|
|
'RegisteredClass',
|
|
'shallowCopyInternalPointer',
|
|
'downcastPointer',
|
|
'upcastPointer',
|
|
'validateThis',
|
|
'char_0',
|
|
'char_9',
|
|
'makeLegalFunctionName',
|
|
'emval_handle_array',
|
|
'emval_free_list',
|
|
'emval_symbols',
|
|
'init_emval',
|
|
'count_emval_handles',
|
|
'get_first_emval',
|
|
'getStringOrSymbol',
|
|
'Emval',
|
|
'emval_newers',
|
|
'craftEmvalAllocator',
|
|
'emval_get_global',
|
|
'emval_lookupTypes',
|
|
'emval_allocateDestructors',
|
|
'emval_methodCallers',
|
|
'emval_addMethodCaller',
|
|
'emval_registeredMethods',
|
|
];
|
|
unexportedRuntimeSymbols.forEach(unexportedRuntimeSymbol);
|
|
var missingLibrarySymbols = [
|
|
'stringToNewUTF8',
|
|
'writeSockaddr',
|
|
'getHostByName',
|
|
'traverseStack',
|
|
'convertPCtoSourceLocation',
|
|
'readEmAsmArgs',
|
|
'runEmAsmFunction',
|
|
'runMainThreadEmAsm',
|
|
'jstoi_s',
|
|
'listenOnce',
|
|
'autoResumeAudioContext',
|
|
'handleException',
|
|
'runtimeKeepalivePush',
|
|
'runtimeKeepalivePop',
|
|
'callUserCallback',
|
|
'maybeExit',
|
|
'safeSetTimeout',
|
|
'asmjsMangle',
|
|
'handleAllocator',
|
|
'writeI53ToI64',
|
|
'writeI53ToI64Clamped',
|
|
'writeI53ToI64Signaling',
|
|
'writeI53ToU64Clamped',
|
|
'writeI53ToU64Signaling',
|
|
'readI53FromU64',
|
|
'convertI32PairToI53',
|
|
'convertU32PairToI53',
|
|
'getCFunc',
|
|
'ccall',
|
|
'cwrap',
|
|
'uleb128Encode',
|
|
'sigToWasmTypes',
|
|
'generateFuncType',
|
|
'convertJsFunctionToWasm',
|
|
'getEmptyTableSlot',
|
|
'updateTableMap',
|
|
'addFunction',
|
|
'removeFunction',
|
|
'reallyNegative',
|
|
'unSign',
|
|
'strLen',
|
|
'reSign',
|
|
'formatString',
|
|
'intArrayToString',
|
|
'AsciiToString',
|
|
'stringToAscii',
|
|
'allocateUTF8OnStack',
|
|
'writeStringToMemory',
|
|
'writeArrayToMemory',
|
|
'registerKeyEventCallback',
|
|
'maybeCStringToJsString',
|
|
'findEventTarget',
|
|
'findCanvasEventTarget',
|
|
'getBoundingClientRect',
|
|
'fillMouseEventData',
|
|
'registerMouseEventCallback',
|
|
'registerWheelEventCallback',
|
|
'registerUiEventCallback',
|
|
'registerFocusEventCallback',
|
|
'fillDeviceOrientationEventData',
|
|
'registerDeviceOrientationEventCallback',
|
|
'fillDeviceMotionEventData',
|
|
'registerDeviceMotionEventCallback',
|
|
'screenOrientation',
|
|
'fillOrientationChangeEventData',
|
|
'registerOrientationChangeEventCallback',
|
|
'fillFullscreenChangeEventData',
|
|
'registerFullscreenChangeEventCallback',
|
|
'JSEvents_requestFullscreen',
|
|
'JSEvents_resizeCanvasForFullscreen',
|
|
'registerRestoreOldStyle',
|
|
'hideEverythingExceptGivenElement',
|
|
'restoreHiddenElements',
|
|
'setLetterbox',
|
|
'softFullscreenResizeWebGLRenderTarget',
|
|
'doRequestFullscreen',
|
|
'fillPointerlockChangeEventData',
|
|
'registerPointerlockChangeEventCallback',
|
|
'registerPointerlockErrorEventCallback',
|
|
'requestPointerLock',
|
|
'fillVisibilityChangeEventData',
|
|
'registerVisibilityChangeEventCallback',
|
|
'registerTouchEventCallback',
|
|
'fillGamepadEventData',
|
|
'registerGamepadEventCallback',
|
|
'registerBeforeUnloadEventCallback',
|
|
'fillBatteryEventData',
|
|
'battery',
|
|
'registerBatteryEventCallback',
|
|
'setCanvasElementSize',
|
|
'getCanvasElementSize',
|
|
'jsStackTrace',
|
|
'stackTrace',
|
|
'checkWasiClock',
|
|
'createDyncallWrapper',
|
|
'setImmediateWrapped',
|
|
'clearImmediateWrapped',
|
|
'polyfillSetImmediate',
|
|
'newNativePromise',
|
|
'getPromise',
|
|
'exception_addRef',
|
|
'exception_decRef',
|
|
'setMainLoop',
|
|
'_setNetworkCallback',
|
|
'heapObjectForWebGLType',
|
|
'heapAccessShiftForWebGLHeap',
|
|
'emscriptenWebGLGet',
|
|
'computeUnpackAlignedImageSize',
|
|
'emscriptenWebGLGetTexPixelData',
|
|
'emscriptenWebGLGetUniform',
|
|
'webglGetUniformLocation',
|
|
'webglPrepareUniformLocationsBeforeFirstUse',
|
|
'webglGetLeftBracePos',
|
|
'emscriptenWebGLGetVertexAttrib',
|
|
'writeGLArray',
|
|
'SDL_unicode',
|
|
'SDL_ttfContext',
|
|
'SDL_audio',
|
|
'GLFW_Window',
|
|
'runAndAbortIfError',
|
|
'ALLOC_NORMAL',
|
|
'ALLOC_STACK',
|
|
'allocate',
|
|
'registerInheritedInstance',
|
|
'unregisterInheritedInstance',
|
|
];
|
|
missingLibrarySymbols.forEach(missingLibrarySymbol)
|
|
|
|
|
|
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 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();
|
|
}
|
|
|
|
/** @type {function(Array=)} */
|
|
function run(args) {
|
|
args = 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();
|
|
|
|
readyPromiseResolve(Module);
|
|
if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
|
|
|
|
assert(!Module['_main'], 'compiled without a main, but one is present. if you added it from JS, use Module["onRuntimeInitialized"]');
|
|
|
|
postRun();
|
|
}
|
|
|
|
if (Module['setStatus']) {
|
|
Module['setStatus']('Running...');
|
|
setTimeout(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 && tty.output && 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 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()();
|
|
}
|
|
}
|
|
|
|
run();
|
|
|
|
|
|
|
|
|
|
|
|
return rhino3dm.ready
|
|
}
|
|
);
|
|
})();
|
|
if (typeof exports === 'object' && typeof module === 'object')
|
|
module.exports = rhino3dm;
|
|
else if (typeof define === 'function' && define['amd'])
|
|
define([], function() { return rhino3dm; });
|
|
else if (typeof exports === 'object')
|
|
exports["rhino3dm"] = rhino3dm;
|