mirror of
https://github.com/pyscript/pyscript.git
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339e40063a
* kill unwrapped_remote (#1490) * kill unwrapped_remote * linting * don't use callKwargs for python plugins * fix tests and improve types * Bringing PyScript.next PoC to the main project * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --------- Co-authored-by: Madhur Tandon <20173739+madhur-tandon@users.noreply.github.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
6423 lines
252 KiB
JavaScript
6423 lines
252 KiB
JavaScript
var _createMicroPythonModule = (() => {
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var _scriptDir =
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typeof document !== "undefined" && document.currentScript
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? document.currentScript.src
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: undefined;
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if (typeof __filename !== "undefined")
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_scriptDir = _scriptDir || __filename;
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return function (_createMicroPythonModule = {}) {
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// include: shell.js
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// The Module object: Our interface to the outside world. We import
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// and export values on it. There are various ways Module can be used:
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// 1. Not defined. We create it here
|
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// 2. A function parameter, function(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 =
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typeof _createMicroPythonModule != "undefined"
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? _createMicroPythonModule
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: {};
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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((resolve, reject) => {
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readyPromiseResolve = resolve;
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readyPromiseReject = reject;
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});
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[
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"_mp_js_init",
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"_mp_js_init_repl",
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"_mp_js_do_str",
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"_mp_js_process_char",
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"_mp_hal_get_interrupt_char",
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"_mp_sched_keyboard_interrupt",
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"_malloc",
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"_free",
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"_mp_js_do_exec",
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"_mp_js_do_import",
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"_mp_js_register_js_module",
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"_mp_obj_jsobj_callback_proxy",
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"_proxy_c_init",
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"_proxy_c_to_js_call",
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"_proxy_c_to_js_lookup_attr",
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"_fflush",
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"onRuntimeInitialized",
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].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: () =>
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abort(
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"You are getting " +
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prop +
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" 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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set: () =>
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abort(
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"You are setting " +
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prop +
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" 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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});
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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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|
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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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|
|
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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 =
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typeof process == "object" &&
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typeof process.versions == "object" &&
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typeof process.versions.node == "string";
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var ENVIRONMENT_IS_SHELL =
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!ENVIRONMENT_IS_WEB &&
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!ENVIRONMENT_IS_NODE &&
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!ENVIRONMENT_IS_WORKER;
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if (Module["ENVIRONMENT"]) {
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throw new Error(
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"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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}
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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_, readAsync, readBinary, setWindowTitle;
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if (ENVIRONMENT_IS_NODE) {
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if (
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typeof process == "undefined" ||
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!process.release ||
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process.release.name !== "node"
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)
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throw new Error(
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"not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)",
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);
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var nodeVersion = process.versions.node;
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var numericVersion = nodeVersion.split(".").slice(0, 3);
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numericVersion =
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numericVersion[0] * 10000 +
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numericVersion[1] * 100 +
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numericVersion[2].split("-")[0] * 1;
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var minVersion = 101900;
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if (numericVersion < 101900) {
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throw new Error(
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"This emscripten-generated code requires node v10.19.19.0 (detected v" +
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nodeVersion +
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")",
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);
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}
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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)
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? new URL(filename)
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: nodePath.normalize(filename);
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return fs.readFileSync(filename, binary ? undefined : "utf8");
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};
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readBinary = (filename) => {
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var ret = read_(filename, true);
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if (!ret.buffer) {
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ret = new Uint8Array(ret);
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}
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assert(ret.buffer);
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return ret;
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};
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readAsync = (filename, onload, onerror, binary = true) => {
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// See the comment in the `read_` function.
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filename = isFileURI(filename)
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? new URL(filename)
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: nodePath.normalize(filename);
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fs.readFile(
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filename,
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binary ? undefined : "utf8",
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(err, data) => {
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if (err) onerror(err);
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else onload(binary ? data.buffer : data);
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},
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);
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};
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// end include: node_shell_read.js
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if (!Module["thisProgram"] && process.argv.length > 1) {
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thisProgram = process.argv[1].replace(/\\/g, "/");
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}
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arguments_ = process.argv.slice(2);
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// MODULARIZE will export the module in the proper place outside, we don't need to export here
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quit_ = (status, toThrow) => {
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process.exitCode = status;
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throw toThrow;
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};
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Module["inspect"] = () => "[Emscripten Module object]";
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} else if (ENVIRONMENT_IS_SHELL) {
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if (
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(typeof process == "object" && typeof require === "function") ||
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typeof window == "object" ||
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typeof importScripts == "function"
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)
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throw new Error(
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"not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)",
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);
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if (typeof read != "undefined") {
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read_ = (f) => {
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return read(f);
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};
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}
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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 = (f, onload, onerror) => {
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setTimeout(() => onload(readBinary(f)), 0);
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};
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if (typeof clearTimeout == "undefined") {
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globalThis.clearTimeout = (id) => {};
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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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// Unlike node which has process.exitCode, d8 has no such mechanism. So we
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// have no way to set the exit code and then let the program exit with
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// that code when it naturally stops running (say, when all setTimeouts
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// have completed). For that reason, we must call `quit` - the only way to
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// set the exit code - but quit also halts immediately. To increase
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// consistency with node (and the web) we schedule the actual quit call
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// using a setTimeout to give the current stack and any exception handlers
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// a chance to run. This enables features such as addOnPostRun (which
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// expected to be able to run code after main returns).
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setTimeout(() => {
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if (!(toThrow instanceof ExitStatus)) {
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let toLog = toThrow;
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if (
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toThrow &&
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typeof toThrow == "object" &&
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toThrow.stack
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) {
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toLog = [toThrow, toThrow.stack];
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}
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err("exiting due to exception: " + toLog);
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}
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quit(status);
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});
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throw toThrow;
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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")
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console = /** @type{!Console} */ ({});
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console.log =
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/** @type{!function(this:Console, ...*): undefined} */ (
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print
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);
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console.warn = console.error =
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/** @type{!function(this:Console, ...*): undefined} */ (
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typeof printErr != "undefined" ? printErr : print
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);
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}
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}
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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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else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
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if (ENVIRONMENT_IS_WORKER) {
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// Check worker, not web, since window could be polyfilled
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scriptDirectory = self.location.href;
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} else if (
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typeof document != "undefined" &&
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document.currentScript
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) {
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// 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(
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0,
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scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1,
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);
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} else {
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scriptDirectory = "";
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}
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|
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if (
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!(
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typeof window == "object" ||
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typeof importScripts == "function"
|
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)
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)
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throw new Error(
|
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"not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)",
|
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);
|
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// 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(
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/** @type{!ArrayBuffer} */ (xhr.response),
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);
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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 (
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xhr.status == 200 ||
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(xhr.status == 0 && xhr.response)
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) {
|
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// 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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throw new Error("environment detection error");
|
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}
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|
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var out = Module["print"] || console.log.bind(console);
|
|
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);
|
|
// Free the object hierarchy contained in the overrides, this lets the GC
|
|
// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array.
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moduleOverrides = null;
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|
checkIncomingModuleAPI();
|
|
|
|
// Emit code to handle expected values on the Module object. This applies Module.x
|
|
// to the proper local x. This has two benefits: first, we only emit it if it is
|
|
// 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"];
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|
legacyModuleProp("thisProgram", "thisProgram");
|
|
|
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if (Module["quit"]) quit_ = Module["quit"];
|
|
legacyModuleProp("quit", "quit_");
|
|
|
|
// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
|
|
// Assertions on removed incoming Module JS APIs.
|
|
assert(
|
|
typeof Module["memoryInitializerPrefixURL"] == "undefined",
|
|
"Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead",
|
|
);
|
|
assert(
|
|
typeof Module["pthreadMainPrefixURL"] == "undefined",
|
|
"Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead",
|
|
);
|
|
assert(
|
|
typeof Module["cdInitializerPrefixURL"] == "undefined",
|
|
"Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead",
|
|
);
|
|
assert(
|
|
typeof Module["filePackagePrefixURL"] == "undefined",
|
|
"Module.filePackagePrefixURL option was removed, use Module.locateFile instead",
|
|
);
|
|
assert(
|
|
typeof Module["read"] == "undefined",
|
|
"Module.read option was removed (modify read_ in JS)",
|
|
);
|
|
assert(
|
|
typeof Module["readAsync"] == "undefined",
|
|
"Module.readAsync option was removed (modify readAsync in JS)",
|
|
);
|
|
assert(
|
|
typeof Module["readBinary"] == "undefined",
|
|
"Module.readBinary option was removed (modify readBinary in JS)",
|
|
);
|
|
assert(
|
|
typeof Module["setWindowTitle"] == "undefined",
|
|
"Module.setWindowTitle option was removed (modify setWindowTitle in JS)",
|
|
);
|
|
assert(
|
|
typeof Module["TOTAL_MEMORY"] == "undefined",
|
|
"Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY",
|
|
);
|
|
legacyModuleProp("read", "read_");
|
|
legacyModuleProp("readAsync", "readAsync");
|
|
legacyModuleProp("readBinary", "readBinary");
|
|
legacyModuleProp("setWindowTitle", "setWindowTitle");
|
|
var IDBFS =
|
|
"IDBFS is no longer included by default; build with -lidbfs.js";
|
|
var PROXYFS =
|
|
"PROXYFS is no longer included by default; build with -lproxyfs.js";
|
|
var WORKERFS =
|
|
"WORKERFS is no longer included by default; build with -lworkerfs.js";
|
|
var NODEFS =
|
|
"NODEFS is no longer included by default; build with -lnodefs.js";
|
|
|
|
assert(
|
|
!ENVIRONMENT_IS_SHELL,
|
|
"shell environment detected but not enabled at build time. Add 'shell' to `-sENVIRONMENT` to enable.",
|
|
);
|
|
|
|
// end include: shell.js
|
|
// include: preamble.js
|
|
// === Preamble library stuff ===
|
|
|
|
// Documentation for the public APIs defined in this file must be updated in:
|
|
// site/source/docs/api_reference/preamble.js.rst
|
|
// A prebuilt local version of the documentation is available at:
|
|
// site/build/text/docs/api_reference/preamble.js.txt
|
|
// You can also build docs locally as HTML or other formats in site/
|
|
// An online HTML version (which may be of a different version of Emscripten)
|
|
// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
|
|
|
|
var wasmBinary;
|
|
if (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.
|
|
|
|
// 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);
|
|
}
|
|
|
|
assert(
|
|
!Module["STACK_SIZE"],
|
|
"STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time",
|
|
);
|
|
|
|
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, or set INITIAL_MEMORY
|
|
assert(
|
|
!Module["wasmMemory"],
|
|
"Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally",
|
|
);
|
|
assert(
|
|
!Module["INITIAL_MEMORY"],
|
|
"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] = 0x02135467;
|
|
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 != 0x02135467 || cookie2 != 0x89bacdfe) {
|
|
abort(
|
|
"Stack overflow! Stack cookie has been overwritten at " +
|
|
ptrToString(max) +
|
|
", expected hex dwords 0x89BACDFE and 0x2135467, but received " +
|
|
ptrToString(cookie2) +
|
|
" " +
|
|
ptrToString(cookie1),
|
|
);
|
|
}
|
|
// Also test the global address 0 for integrity.
|
|
if (HEAPU32[0] !== 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;
|
|
|
|
var runtimeKeepaliveCounter = 0;
|
|
|
|
function keepRuntimeAlive() {
|
|
return noExitRuntime || runtimeKeepaliveCounter > 0;
|
|
}
|
|
|
|
function preRun() {
|
|
if (Module["preRun"]) {
|
|
if (typeof Module["preRun"] == "function")
|
|
Module["preRun"] = [Module["preRun"]];
|
|
while (Module["preRun"].length) {
|
|
addOnPreRun(Module["preRun"].shift());
|
|
}
|
|
}
|
|
callRuntimeCallbacks(__ATPRERUN__);
|
|
}
|
|
|
|
function initRuntime() {
|
|
assert(!runtimeInitialized);
|
|
runtimeInitialized = true;
|
|
|
|
checkStackCookie();
|
|
|
|
if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
|
|
FS.ignorePermissions = false;
|
|
|
|
TTY.init();
|
|
callRuntimeCallbacks(__ATINIT__);
|
|
}
|
|
|
|
function 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(() => {
|
|
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;
|
|
}
|
|
|
|
// 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);
|
|
};
|
|
}
|
|
|
|
// include: runtime_exceptions.js
|
|
// end include: runtime_exceptions.js
|
|
var wasmBinaryFile;
|
|
wasmBinaryFile = "micropython.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(binaryFile) {
|
|
// If we don't have the binary yet, try to load it asynchronously.
|
|
// Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
|
|
// See https://github.com/github/fetch/pull/92#issuecomment-140665932
|
|
// Cordova or Electron apps are typically loaded from a file:// url.
|
|
// So use fetch if it is available and the url is not a file, otherwise fall back to XHR.
|
|
if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
|
|
if (typeof fetch == "function" && !isFileURI(binaryFile)) {
|
|
return fetch(binaryFile, { credentials: "same-origin" })
|
|
.then((response) => {
|
|
if (!response["ok"]) {
|
|
throw (
|
|
"failed to load wasm binary file at '" +
|
|
binaryFile +
|
|
"'"
|
|
);
|
|
}
|
|
return response["arrayBuffer"]();
|
|
})
|
|
.catch(() => getBinary(binaryFile));
|
|
} else {
|
|
if (readAsync) {
|
|
// fetch is not available or url is file => try XHR (readAsync uses XHR internally)
|
|
return new Promise((resolve, reject) => {
|
|
readAsync(
|
|
binaryFile,
|
|
(response) =>
|
|
resolve(
|
|
new Uint8Array(
|
|
/** @type{!ArrayBuffer} */ (
|
|
response
|
|
),
|
|
),
|
|
),
|
|
reject,
|
|
);
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
// Otherwise, getBinary should be able to get it synchronously
|
|
return Promise.resolve().then(() => getBinary(binaryFile));
|
|
}
|
|
|
|
function instantiateArrayBuffer(binaryFile, imports, receiver) {
|
|
return getBinaryPromise(binaryFile)
|
|
.then((binary) => {
|
|
return WebAssembly.instantiate(binary, imports);
|
|
})
|
|
.then((instance) => {
|
|
return instance;
|
|
})
|
|
.then(receiver, (reason) => {
|
|
err("failed to asynchronously prepare wasm: " + reason);
|
|
|
|
// Warn on some common problems.
|
|
if (isFileURI(wasmBinaryFile)) {
|
|
err(
|
|
"warning: Loading from a file URI (" +
|
|
wasmBinaryFile +
|
|
") is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing",
|
|
);
|
|
}
|
|
abort(reason);
|
|
});
|
|
}
|
|
|
|
function instantiateAsync(binary, binaryFile, imports, callback) {
|
|
if (
|
|
!binary &&
|
|
typeof WebAssembly.instantiateStreaming == "function" &&
|
|
!isDataURI(binaryFile) &&
|
|
// Don't use streaming for file:// delivered objects in a webview, fetch them synchronously.
|
|
!isFileURI(binaryFile) &&
|
|
// Avoid instantiateStreaming() on Node.js environment for now, as while
|
|
// Node.js v18.1.0 implements it, it does not have a full fetch()
|
|
// implementation yet.
|
|
//
|
|
// Reference:
|
|
// https://github.com/emscripten-core/emscripten/pull/16917
|
|
!ENVIRONMENT_IS_NODE &&
|
|
typeof fetch == "function"
|
|
) {
|
|
return fetch(binaryFile, { credentials: "same-origin" }).then(
|
|
(response) => {
|
|
// Suppress closure warning here since the upstream definition for
|
|
// instantiateStreaming only allows Promise<Repsponse> rather than
|
|
// an actual Response.
|
|
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed.
|
|
/** @suppress {checkTypes} */
|
|
var result = WebAssembly.instantiateStreaming(
|
|
response,
|
|
imports,
|
|
);
|
|
|
|
return result.then(callback, function (reason) {
|
|
// We expect the most common failure cause to be a bad MIME type for the binary,
|
|
// in which case falling back to ArrayBuffer instantiation should work.
|
|
err("wasm streaming compile failed: " + reason);
|
|
err("falling back to ArrayBuffer instantiation");
|
|
return instantiateArrayBuffer(
|
|
binaryFile,
|
|
imports,
|
|
callback,
|
|
);
|
|
});
|
|
},
|
|
);
|
|
} else {
|
|
return instantiateArrayBuffer(binaryFile, imports, callback);
|
|
}
|
|
}
|
|
|
|
// Create the wasm instance.
|
|
// Receives the wasm imports, returns the exports.
|
|
function createWasm() {
|
|
// prepare imports
|
|
var info = {
|
|
env: wasmImports,
|
|
wasi_snapshot_preview1: wasmImports,
|
|
};
|
|
// 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");
|
|
|
|
return exports;
|
|
}
|
|
// wait for the pthread pool (if any)
|
|
addRunDependency("wasm-instantiate");
|
|
|
|
// Prefer streaming instantiation if available.
|
|
// Async compilation can be confusing when an error on the page overwrites Module
|
|
// (for example, if the order of elements is wrong, and the one defining Module is
|
|
// later), so we save Module and check it later.
|
|
var trueModule = Module;
|
|
function receiveInstantiationResult(result) {
|
|
// 'result' is a ResultObject object which has both the module and instance.
|
|
// receiveInstance() will swap in the exports (to Module.asm) so they can be called
|
|
assert(
|
|
Module === trueModule,
|
|
"the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?",
|
|
);
|
|
trueModule = null;
|
|
// TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
|
|
// When the regression is fixed, can restore the above PTHREADS-enabled path.
|
|
receiveInstance(result["instance"]);
|
|
}
|
|
|
|
// User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
|
|
// to manually instantiate the Wasm module themselves. This allows pages to
|
|
// run the instantiation parallel to any other async startup actions they are
|
|
// performing.
|
|
// Also pthreads and wasm workers initialize the wasm instance through this
|
|
// path.
|
|
if (Module["instantiateWasm"]) {
|
|
try {
|
|
return Module["instantiateWasm"](info, receiveInstance);
|
|
} catch (e) {
|
|
err(
|
|
"Module.instantiateWasm callback failed with error: " +
|
|
e,
|
|
);
|
|
// If instantiation fails, reject the module ready promise.
|
|
readyPromiseReject(e);
|
|
}
|
|
}
|
|
|
|
// If instantiation fails, reject the module ready promise.
|
|
instantiateAsync(
|
|
wasmBinary,
|
|
wasmBinaryFile,
|
|
info,
|
|
receiveInstantiationResult,
|
|
).catch(readyPromiseReject);
|
|
return {}; // no exports yet; we'll fill them in later
|
|
}
|
|
|
|
// Globals used by JS i64 conversions (see makeSetValue)
|
|
var tempDouble;
|
|
var tempI64;
|
|
|
|
// include: runtime_debug.js
|
|
function legacyModuleProp(prop, newName) {
|
|
if (!Object.getOwnPropertyDescriptor(Module, prop)) {
|
|
Object.defineProperty(Module, prop, {
|
|
configurable: true,
|
|
get: function () {
|
|
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)",
|
|
);
|
|
},
|
|
});
|
|
}
|
|
}
|
|
|
|
function ignoredModuleProp(prop) {
|
|
if (Object.getOwnPropertyDescriptor(Module, prop)) {
|
|
abort(
|
|
"`Module." +
|
|
prop +
|
|
"` was supplied but `" +
|
|
prop +
|
|
"` not included in INCOMING_MODULE_JS_API",
|
|
);
|
|
}
|
|
}
|
|
|
|
// forcing the filesystem exports a few things by default
|
|
function isExportedByForceFilesystem(name) {
|
|
return (
|
|
name === "FS_createPath" ||
|
|
name === "FS_createDataFile" ||
|
|
name === "FS_createPreloadedFile" ||
|
|
name === "FS_unlink" ||
|
|
name === "addRunDependency" ||
|
|
// The old FS has some functionality that WasmFS lacks.
|
|
name === "FS_createLazyFile" ||
|
|
name === "FS_createDevice" ||
|
|
name === "removeRunDependency"
|
|
);
|
|
}
|
|
|
|
function missingGlobal(sym, msg) {
|
|
if (typeof globalThis !== "undefined") {
|
|
Object.defineProperty(globalThis, sym, {
|
|
configurable: true,
|
|
get: function () {
|
|
warnOnce(
|
|
"`" +
|
|
sym +
|
|
"` is not longer defined by emscripten. " +
|
|
msg,
|
|
);
|
|
return undefined;
|
|
},
|
|
});
|
|
}
|
|
}
|
|
|
|
missingGlobal("buffer", "Please use HEAP8.buffer or wasmMemory.buffer");
|
|
|
|
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)) {
|
|
msg +=
|
|
". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
|
|
}
|
|
warnOnce(msg);
|
|
return undefined;
|
|
},
|
|
});
|
|
}
|
|
// Any symbol that is not included from the JS libary is also (by definition)
|
|
// not exported on the Module object.
|
|
unexportedRuntimeSymbol(sym);
|
|
}
|
|
|
|
function unexportedRuntimeSymbol(sym) {
|
|
if (!Object.getOwnPropertyDescriptor(Module, sym)) {
|
|
Object.defineProperty(Module, sym, {
|
|
configurable: true,
|
|
get: 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);
|
|
},
|
|
});
|
|
}
|
|
}
|
|
|
|
// Used by XXXXX_DEBUG settings to output debug messages.
|
|
function dbg(text) {
|
|
// TODO(sbc): Make this configurable somehow. Its not always convenient for
|
|
// logging to show up as errors.
|
|
console.error.apply(console, arguments);
|
|
}
|
|
|
|
// end include: runtime_debug.js
|
|
// === Body ===
|
|
|
|
function load_global(str, out) {
|
|
let s = UTF8ToString(str);
|
|
if (s in globalThis) {
|
|
let value = globalThis[s];
|
|
if (typeof value == "function") {
|
|
value = value.bind(globalThis);
|
|
}
|
|
convert_js_to_mp_obj_jsside(value, out);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
function lookup_attr(jsref, str, out) {
|
|
const base = proxy_js_ref[jsref];
|
|
const attr = UTF8ToString(str);
|
|
console.debug("lookup_attr", jsref, base, attr);
|
|
if (attr in base) {
|
|
let value = base[attr];
|
|
if (typeof value == "function") {
|
|
value = value.bind(base);
|
|
}
|
|
convert_js_to_mp_obj_jsside(value, out);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
function store_attr(jsref, attr_ptr, value_ref) {
|
|
const attr = UTF8ToString(attr_ptr);
|
|
const value = convert_mp_to_js_obj_jsside(value_ref);
|
|
console.debug("store_attr", proxy_js_ref[jsref], attr, value);
|
|
proxy_js_ref[jsref][attr] = value;
|
|
}
|
|
function call0(f_ref, out) {
|
|
let f = proxy_js_ref[f_ref];
|
|
let ret = f();
|
|
convert_js_to_mp_obj_jsside(ret, out);
|
|
}
|
|
function call1(f_ref, a0, out) {
|
|
const a0_js = convert_mp_to_js_obj_jsside(a0);
|
|
const ret = proxy_js_ref[f_ref](a0_js);
|
|
convert_js_to_mp_obj_jsside(ret, out);
|
|
}
|
|
function call0_kwarg(f_ref, n_kw, key, value, out) {
|
|
let f = proxy_js_ref[f_ref];
|
|
let a = {};
|
|
for (let i = 0; i < n_kw; ++i) {
|
|
let k = UTF8ToString(getValue(key + i * 4, "i32"));
|
|
let v = convert_mp_to_js_obj_jsside(value + i * 3 * 4);
|
|
a[k] = v;
|
|
}
|
|
let ret = f(a);
|
|
convert_js_to_mp_obj_jsside(ret, out);
|
|
}
|
|
function call1_kwarg(f_ref, arg0, n_kw, key, value, out) {
|
|
let f = proxy_js_ref[f_ref];
|
|
let a0 = convert_mp_to_js_obj_jsside(arg0);
|
|
let a = {};
|
|
for (let i = 0; i < n_kw; ++i) {
|
|
let k = UTF8ToString(getValue(key + i * 4, "i32"));
|
|
let v = convert_mp_to_js_obj_jsside(value + i * 3 * 4);
|
|
a[k] = v;
|
|
}
|
|
let ret = f(a0, a);
|
|
convert_js_to_mp_obj_jsside(ret, out);
|
|
}
|
|
function call2(f_ref, a0, a1, out) {
|
|
const a0_js = convert_mp_to_js_obj_jsside(a0);
|
|
const a1_js = convert_mp_to_js_obj_jsside(a1);
|
|
const ret = proxy_js_ref[f_ref](a0_js, a1_js);
|
|
convert_js_to_mp_obj_jsside(ret, out);
|
|
}
|
|
function js_reflect_construct(a0_ref, a1, out) {
|
|
const ret = Reflect.construct(proxy_js_ref[a0_ref], [
|
|
UTF8ToString(a1),
|
|
]);
|
|
convert_js_to_mp_obj_jsside(ret, out);
|
|
}
|
|
function js_get_len(f_ref) {
|
|
return proxy_js_ref[f_ref].length;
|
|
}
|
|
function js_subscr_int(f_ref, idx, out) {
|
|
const ret = proxy_js_ref[f_ref][idx];
|
|
convert_js_to_mp_obj_jsside(ret, out);
|
|
}
|
|
function js_subscr_load(f_ref, index_ref, out) {
|
|
const target = proxy_js_ref[f_ref];
|
|
const index = python_index_semantics(
|
|
target,
|
|
convert_mp_to_js_obj_jsside(index_ref),
|
|
);
|
|
const ret = target[index];
|
|
convert_js_to_mp_obj_jsside(ret, out);
|
|
}
|
|
function js_subscr_store(f_ref, idx, value) {
|
|
proxy_js_ref[f_ref][convert_mp_to_js_obj_jsside(idx)] =
|
|
convert_mp_to_js_obj_jsside(value);
|
|
}
|
|
function js_callable_proxy(callable, out) {
|
|
const callback = function (js0, js1) {
|
|
console.log("js_callable_proxy", js0, js1);
|
|
let out2 = 0;
|
|
if (js0 !== undefined) {
|
|
out2 = _malloc(3 * 4);
|
|
convert_js_to_mp_obj_jsside(js0, out2);
|
|
}
|
|
const out3 = _malloc(3 * 4);
|
|
ccall(
|
|
"mp_obj_jsobj_callback_proxy",
|
|
"number",
|
|
["pointer", "pointer", "pointer"],
|
|
[callable, out2, out3],
|
|
);
|
|
if (out2 != 0) {
|
|
_free(out2);
|
|
}
|
|
const ret = convert_mp_to_js_obj_jsside(out3);
|
|
_free(out3);
|
|
return ret;
|
|
};
|
|
convert_js_to_mp_obj_jsside(callback, out);
|
|
}
|
|
|
|
// end include: preamble.js
|
|
|
|
/** @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);
|
|
}
|
|
}
|
|
|
|
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.floor(tempDouble / 4294967296.0) >>> 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);
|
|
}
|
|
}
|
|
|
|
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);
|
|
},
|
|
};
|
|
|
|
function initRandomFill() {
|
|
if (
|
|
typeof crypto == "object" &&
|
|
typeof crypto["getRandomValues"] == "function"
|
|
) {
|
|
// for modern web browsers
|
|
return (view) => crypto.getRandomValues(view);
|
|
} else if (ENVIRONMENT_IS_NODE) {
|
|
// for nodejs with or without crypto support included
|
|
try {
|
|
var crypto_module = require("crypto");
|
|
var randomFillSync = crypto_module["randomFillSync"];
|
|
if (randomFillSync) {
|
|
// nodejs with LTS crypto support
|
|
return (view) => crypto_module["randomFillSync"](view);
|
|
}
|
|
// very old nodejs with the original crypto API
|
|
var randomBytes = crypto_module["randomBytes"];
|
|
return (view) => (
|
|
view.set(randomBytes(view.byteLength)),
|
|
// Return the original view to match modern native implementations.
|
|
view
|
|
);
|
|
} catch (e) {
|
|
// nodejs doesn't have crypto support
|
|
}
|
|
}
|
|
// we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096
|
|
abort(
|
|
"no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };",
|
|
);
|
|
}
|
|
function randomFill(view) {
|
|
// Lazily init on the first invocation.
|
|
return (randomFill = initRandomFill())(view);
|
|
}
|
|
|
|
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("/");
|
|
},
|
|
};
|
|
|
|
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;
|
|
}
|
|
|
|
function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
|
|
assert(typeof str === "string");
|
|
// Parameter maxBytesToWrite is not optional. Negative values, 0, null,
|
|
// undefined and false each don't write out any bytes.
|
|
if (!(maxBytesToWrite > 0)) return 0;
|
|
|
|
var startIdx = outIdx;
|
|
var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator.
|
|
for (var i = 0; i < str.length; ++i) {
|
|
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
|
|
// unit, not a Unicode code point of the character! So decode
|
|
// UTF16->UTF32->UTF8.
|
|
// See http://unicode.org/faq/utf_bom.html#utf16-3
|
|
// For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
|
|
// and https://www.ietf.org/rfc/rfc2279.txt
|
|
// and https://tools.ietf.org/html/rfc3629
|
|
var u = str.charCodeAt(i); // possibly a lead surrogate
|
|
if (u >= 0xd800 && u <= 0xdfff) {
|
|
var u1 = str.charCodeAt(++i);
|
|
u = (0x10000 + ((u & 0x3ff) << 10)) | (u1 & 0x3ff);
|
|
}
|
|
if (u <= 0x7f) {
|
|
if (outIdx >= endIdx) break;
|
|
heap[outIdx++] = u;
|
|
} else if (u <= 0x7ff) {
|
|
if (outIdx + 1 >= endIdx) break;
|
|
heap[outIdx++] = 0xc0 | (u >> 6);
|
|
heap[outIdx++] = 0x80 | (u & 63);
|
|
} else if (u <= 0xffff) {
|
|
if (outIdx + 2 >= endIdx) break;
|
|
heap[outIdx++] = 0xe0 | (u >> 12);
|
|
heap[outIdx++] = 0x80 | ((u >> 6) & 63);
|
|
heap[outIdx++] = 0x80 | (u & 63);
|
|
} else {
|
|
if (outIdx + 3 >= endIdx) break;
|
|
if (u > 0x10ffff)
|
|
warnOnce(
|
|
"Invalid Unicode code point " +
|
|
ptrToString(u) +
|
|
" encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).",
|
|
);
|
|
heap[outIdx++] = 0xf0 | (u >> 18);
|
|
heap[outIdx++] = 0x80 | ((u >> 12) & 63);
|
|
heap[outIdx++] = 0x80 | ((u >> 6) & 63);
|
|
heap[outIdx++] = 0x80 | (u & 63);
|
|
}
|
|
}
|
|
// Null-terminate the pointer to the buffer.
|
|
heap[outIdx] = 0;
|
|
return outIdx - startIdx;
|
|
}
|
|
/** @type {function(string, boolean=, number=)} */
|
|
function intArrayFromString(stringy, dontAddNull, length) {
|
|
var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
|
|
var u8array = new Array(len);
|
|
var numBytesWritten = stringToUTF8Array(
|
|
stringy,
|
|
u8array,
|
|
0,
|
|
u8array.length,
|
|
);
|
|
if (dontAddNull) u8array.length = numBytesWritten;
|
|
return u8array;
|
|
}
|
|
|
|
var 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;
|
|
}
|
|
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 (!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 preloadPlugins = Module["preloadPlugins"] || [];
|
|
function FS_handledByPreloadPlugin(
|
|
byteArray,
|
|
fullname,
|
|
finish,
|
|
onerror,
|
|
) {
|
|
// Ensure plugins are ready.
|
|
if (typeof Browser != "undefined") Browser.init();
|
|
|
|
var handled = false;
|
|
preloadPlugins.forEach(function (plugin) {
|
|
if (handled) return;
|
|
if (plugin["canHandle"](fullname)) {
|
|
plugin["handle"](byteArray, fullname, finish, onerror);
|
|
handled = true;
|
|
}
|
|
});
|
|
return handled;
|
|
}
|
|
function FS_createPreloadedFile(
|
|
parent,
|
|
name,
|
|
url,
|
|
canRead,
|
|
canWrite,
|
|
onload,
|
|
onerror,
|
|
dontCreateFile,
|
|
canOwn,
|
|
preFinish,
|
|
) {
|
|
// TODO we should allow people to just pass in a complete filename instead
|
|
// of parent and name being that we just join them anyways
|
|
var fullname = name
|
|
? PATH_FS.resolve(PATH.join2(parent, name))
|
|
: parent;
|
|
var dep = getUniqueRunDependency("cp " + fullname); // might have several active requests for the same fullname
|
|
function processData(byteArray) {
|
|
function finish(byteArray) {
|
|
if (preFinish) preFinish();
|
|
if (!dontCreateFile) {
|
|
FS.createDataFile(
|
|
parent,
|
|
name,
|
|
byteArray,
|
|
canRead,
|
|
canWrite,
|
|
canOwn,
|
|
);
|
|
}
|
|
if (onload) onload();
|
|
removeRunDependency(dep);
|
|
}
|
|
if (
|
|
FS_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);
|
|
}
|
|
}
|
|
|
|
function FS_modeStringToFlags(str) {
|
|
var flagModes = {
|
|
r: 0,
|
|
"r+": 2,
|
|
w: 512 | 64 | 1,
|
|
"w+": 512 | 64 | 2,
|
|
a: 1024 | 64 | 1,
|
|
"a+": 1024 | 64 | 2,
|
|
};
|
|
var flags = flagModes[str];
|
|
if (typeof flags == "undefined") {
|
|
throw new Error("Unknown file open mode: " + str);
|
|
}
|
|
return flags;
|
|
}
|
|
|
|
function FS_getMode(canRead, canWrite) {
|
|
var mode = 0;
|
|
if (canRead) mode |= 292 | 73;
|
|
if (canWrite) mode |= 146;
|
|
return mode;
|
|
}
|
|
|
|
var ERRNO_MESSAGES = {
|
|
0: "Success",
|
|
1: "Arg list too long",
|
|
2: "Permission denied",
|
|
3: "Address already in use",
|
|
4: "Address not available",
|
|
5: "Address family not supported by protocol family",
|
|
6: "No more processes",
|
|
7: "Socket already connected",
|
|
8: "Bad file number",
|
|
9: "Trying to read unreadable message",
|
|
10: "Mount device busy",
|
|
11: "Operation canceled",
|
|
12: "No children",
|
|
13: "Connection aborted",
|
|
14: "Connection refused",
|
|
15: "Connection reset by peer",
|
|
16: "File locking deadlock error",
|
|
17: "Destination address required",
|
|
18: "Math arg out of domain of func",
|
|
19: "Quota exceeded",
|
|
20: "File exists",
|
|
21: "Bad address",
|
|
22: "File too large",
|
|
23: "Host is unreachable",
|
|
24: "Identifier removed",
|
|
25: "Illegal byte sequence",
|
|
26: "Connection already in progress",
|
|
27: "Interrupted system call",
|
|
28: "Invalid argument",
|
|
29: "I/O error",
|
|
30: "Socket is already connected",
|
|
31: "Is a directory",
|
|
32: "Too many symbolic links",
|
|
33: "Too many open files",
|
|
34: "Too many links",
|
|
35: "Message too long",
|
|
36: "Multihop attempted",
|
|
37: "File or path name too long",
|
|
38: "Network interface is not configured",
|
|
39: "Connection reset by network",
|
|
40: "Network is unreachable",
|
|
41: "Too many open files in system",
|
|
42: "No buffer space available",
|
|
43: "No such device",
|
|
44: "No such file or directory",
|
|
45: "Exec format error",
|
|
46: "No record locks available",
|
|
47: "The link has been severed",
|
|
48: "Not enough core",
|
|
49: "No message of desired type",
|
|
50: "Protocol not available",
|
|
51: "No space left on device",
|
|
52: "Function not implemented",
|
|
53: "Socket is not connected",
|
|
54: "Not a directory",
|
|
55: "Directory not empty",
|
|
56: "State not recoverable",
|
|
57: "Socket operation on non-socket",
|
|
59: "Not a typewriter",
|
|
60: "No such device or address",
|
|
61: "Value too large for defined data type",
|
|
62: "Previous owner died",
|
|
63: "Not super-user",
|
|
64: "Broken pipe",
|
|
65: "Protocol error",
|
|
66: "Unknown protocol",
|
|
67: "Protocol wrong type for socket",
|
|
68: "Math result not representable",
|
|
69: "Read only file system",
|
|
70: "Illegal seek",
|
|
71: "No such process",
|
|
72: "Stale file handle",
|
|
73: "Connection timed out",
|
|
74: "Text file busy",
|
|
75: "Cross-device link",
|
|
100: "Device not a stream",
|
|
101: "Bad font file fmt",
|
|
102: "Invalid slot",
|
|
103: "Invalid request code",
|
|
104: "No anode",
|
|
105: "Block device required",
|
|
106: "Channel number out of range",
|
|
107: "Level 3 halted",
|
|
108: "Level 3 reset",
|
|
109: "Link number out of range",
|
|
110: "Protocol driver not attached",
|
|
111: "No CSI structure available",
|
|
112: "Level 2 halted",
|
|
113: "Invalid exchange",
|
|
114: "Invalid request descriptor",
|
|
115: "Exchange full",
|
|
116: "No data (for no delay io)",
|
|
117: "Timer expired",
|
|
118: "Out of streams resources",
|
|
119: "Machine is not on the network",
|
|
120: "Package not installed",
|
|
121: "The object is remote",
|
|
122: "Advertise error",
|
|
123: "Srmount error",
|
|
124: "Communication error on send",
|
|
125: "Cross mount point (not really error)",
|
|
126: "Given log. name not unique",
|
|
127: "f.d. invalid for this operation",
|
|
128: "Remote address changed",
|
|
129: "Can access a needed shared lib",
|
|
130: "Accessing a corrupted shared lib",
|
|
131: ".lib section in a.out corrupted",
|
|
132: "Attempting to link in too many libs",
|
|
133: "Attempting to exec a shared library",
|
|
135: "Streams pipe error",
|
|
136: "Too many users",
|
|
137: "Socket type not supported",
|
|
138: "Not supported",
|
|
139: "Protocol family not supported",
|
|
140: "Can't send after socket shutdown",
|
|
141: "Too many references",
|
|
142: "Host is down",
|
|
148: "No medium (in tape drive)",
|
|
156: "Level 2 not synchronized",
|
|
};
|
|
|
|
var ERRNO_CODES = {};
|
|
|
|
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;
|
|
},
|
|
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
|
|
// use a buffer to avoid overhead of individual crypto calls per byte
|
|
var randomBuffer = new Uint8Array(1024),
|
|
randomLeft = 0;
|
|
var randomByte = () => {
|
|
if (randomLeft === 0) {
|
|
randomLeft = randomFill(randomBuffer).byteLength;
|
|
}
|
|
return randomBuffer[--randomLeft];
|
|
};
|
|
FS.createDevice("/dev", "random", randomByte);
|
|
FS.createDevice("/dev", "urandom", randomByte);
|
|
// we're not going to emulate the actual shm device,
|
|
// just create the tmp dirs that reside in it commonly
|
|
FS.mkdir("/dev/shm");
|
|
FS.mkdir("/dev/shm/tmp");
|
|
},
|
|
createSpecialDirectories: () => {
|
|
// create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
|
|
// name of the stream for fd 6 (see test_unistd_ttyname)
|
|
FS.mkdir("/proc");
|
|
var proc_self = FS.mkdir("/proc/self");
|
|
FS.mkdir("/proc/self/fd");
|
|
FS.mount(
|
|
{
|
|
mount: () => {
|
|
var node = FS.createNode(
|
|
proc_self,
|
|
"fd",
|
|
16384 | 511 /* 0777 */,
|
|
73,
|
|
);
|
|
node.node_ops = {
|
|
lookup: (parent, name) => {
|
|
var fd = +name;
|
|
var stream = FS.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,
|
|
) {
|
|
// We set the `name` property to be able to identify `FS.ErrnoError`
|
|
// - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway.
|
|
// - when using PROXYFS, an error can come from an underlying FS
|
|
// as different FS objects have their own FS.ErrnoError each,
|
|
// the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs.
|
|
// we'll use the reliable test `err.name == "ErrnoError"` instead
|
|
this.name = "ErrnoError";
|
|
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);
|
|
}
|
|
},
|
|
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;
|
|
},
|
|
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",
|
|
);
|
|
},
|
|
};
|
|
|
|
/**
|
|
* 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) {
|
|
assert(typeof ptr == "number");
|
|
return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
|
|
}
|
|
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.floor(tempDouble / 4294967296.0) >>> 0
|
|
: ~~+Math.ceil(
|
|
(tempDouble - +(~~tempDouble >>> 0)) /
|
|
4294967296.0,
|
|
) >>> 0
|
|
: 0),
|
|
]),
|
|
(HEAP32[(buf + 40) >> 2] = tempI64[0]),
|
|
(HEAP32[(buf + 44) >> 2] = tempI64[1]);
|
|
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.floor(tempDouble / 4294967296.0) >>> 0
|
|
: ~~+Math.ceil(
|
|
(tempDouble - +(~~tempDouble >>> 0)) /
|
|
4294967296.0,
|
|
) >>> 0
|
|
: 0),
|
|
]),
|
|
(HEAP32[(buf + 56) >> 2] = tempI64[0]),
|
|
(HEAP32[(buf + 60) >> 2] = tempI64[1]);
|
|
HEAPU32[(buf + 64) >> 2] = (atime % 1000) * 1000;
|
|
(tempI64 = [
|
|
Math.floor(mtime / 1000) >>> 0,
|
|
((tempDouble = Math.floor(mtime / 1000)),
|
|
+Math.abs(tempDouble) >= 1.0
|
|
? tempDouble > 0.0
|
|
? +Math.floor(tempDouble / 4294967296.0) >>> 0
|
|
: ~~+Math.ceil(
|
|
(tempDouble - +(~~tempDouble >>> 0)) /
|
|
4294967296.0,
|
|
) >>> 0
|
|
: 0),
|
|
]),
|
|
(HEAP32[(buf + 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.floor(tempDouble / 4294967296.0) >>> 0
|
|
: ~~+Math.ceil(
|
|
(tempDouble - +(~~tempDouble >>> 0)) /
|
|
4294967296.0,
|
|
) >>> 0
|
|
: 0),
|
|
]),
|
|
(HEAP32[(buf + 88) >> 2] = tempI64[0]),
|
|
(HEAP32[(buf + 92) >> 2] = tempI64[1]);
|
|
HEAPU32[(buf + 96) >> 2] = (ctime % 1000) * 1000;
|
|
(tempI64 = [
|
|
stat.ino >>> 0,
|
|
((tempDouble = stat.ino),
|
|
+Math.abs(tempDouble) >= 1.0
|
|
? tempDouble > 0.0
|
|
? +Math.floor(tempDouble / 4294967296.0) >>> 0
|
|
: ~~+Math.ceil(
|
|
(tempDouble - +(~~tempDouble >>> 0)) /
|
|
4294967296.0,
|
|
) >>> 0
|
|
: 0),
|
|
]),
|
|
(HEAP32[(buf + 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_chdir(path) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
FS.chdir(path);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_fstat64(fd, buf) {
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
return SYSCALLS.doStat(FS.stat, stream.path, buf);
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function stringToUTF8(str, outPtr, maxBytesToWrite) {
|
|
assert(
|
|
typeof maxBytesToWrite == "number",
|
|
"stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!",
|
|
);
|
|
return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
|
|
}
|
|
|
|
function ___syscall_getcwd(buf, size) {
|
|
try {
|
|
if (size === 0) return -28;
|
|
var cwd = FS.cwd();
|
|
var cwdLengthInBytes = lengthBytesUTF8(cwd) + 1;
|
|
if (size < cwdLengthInBytes) return -68;
|
|
stringToUTF8(cwd, buf, size);
|
|
return cwdLengthInBytes;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_getdents64(fd, dirp, count) {
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
if (!stream.getdents) {
|
|
stream.getdents = FS.readdir(stream.path);
|
|
}
|
|
|
|
var struct_size = 280;
|
|
var pos = 0;
|
|
var off = FS.llseek(stream, 0, 1);
|
|
|
|
var idx = Math.floor(off / struct_size);
|
|
|
|
while (
|
|
idx < stream.getdents.length &&
|
|
pos + struct_size <= count
|
|
) {
|
|
var id;
|
|
var type;
|
|
var name = stream.getdents[idx];
|
|
if (name === ".") {
|
|
id = stream.node.id;
|
|
type = 4; // DT_DIR
|
|
} else if (name === "..") {
|
|
var lookup = FS.lookupPath(stream.path, {
|
|
parent: true,
|
|
});
|
|
id = lookup.node.id;
|
|
type = 4; // DT_DIR
|
|
} else {
|
|
var child = FS.lookupNode(stream.node, name);
|
|
id = child.id;
|
|
type = FS.isChrdev(child.mode)
|
|
? 2 // DT_CHR, character device.
|
|
: FS.isDir(child.mode)
|
|
? 4 // DT_DIR, directory.
|
|
: FS.isLink(child.mode)
|
|
? 10 // DT_LNK, symbolic link.
|
|
: 8; // DT_REG, regular file.
|
|
}
|
|
assert(id);
|
|
(tempI64 = [
|
|
id >>> 0,
|
|
((tempDouble = id),
|
|
+Math.abs(tempDouble) >= 1.0
|
|
? tempDouble > 0.0
|
|
? +Math.floor(tempDouble / 4294967296.0) >>> 0
|
|
: ~~+Math.ceil(
|
|
(tempDouble - +(~~tempDouble >>> 0)) /
|
|
4294967296.0,
|
|
) >>> 0
|
|
: 0),
|
|
]),
|
|
(HEAP32[(dirp + pos) >> 2] = tempI64[0]),
|
|
(HEAP32[(dirp + pos + 4) >> 2] = tempI64[1]);
|
|
(tempI64 = [
|
|
((idx + 1) * struct_size) >>> 0,
|
|
((tempDouble = (idx + 1) * struct_size),
|
|
+Math.abs(tempDouble) >= 1.0
|
|
? tempDouble > 0.0
|
|
? +Math.floor(tempDouble / 4294967296.0) >>> 0
|
|
: ~~+Math.ceil(
|
|
(tempDouble - +(~~tempDouble >>> 0)) /
|
|
4294967296.0,
|
|
) >>> 0
|
|
: 0),
|
|
]),
|
|
(HEAP32[(dirp + pos + 8) >> 2] = tempI64[0]),
|
|
(HEAP32[(dirp + pos + 12) >> 2] = tempI64[1]);
|
|
HEAP16[(dirp + pos + 16) >> 1] = 280;
|
|
HEAP8[(dirp + pos + 18) >> 0] = type;
|
|
stringToUTF8(name, dirp + pos + 19, 256);
|
|
pos += struct_size;
|
|
idx += 1;
|
|
}
|
|
FS.llseek(stream, idx * struct_size, 0);
|
|
return pos;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_lstat64(path, buf) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
return SYSCALLS.doStat(FS.lstat, path, buf);
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_mkdirat(dirfd, path, mode) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
// remove a trailing slash, if one - /a/b/ has basename of '', but
|
|
// we want to create b in the context of this function
|
|
path = PATH.normalize(path);
|
|
if (path[path.length - 1] === "/")
|
|
path = path.substr(0, path.length - 1);
|
|
FS.mkdir(path, mode, 0);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_newfstatat(dirfd, path, buf, flags) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
var nofollow = flags & 256;
|
|
var allowEmpty = flags & 4096;
|
|
flags = flags & ~6400;
|
|
assert(
|
|
!flags,
|
|
"unknown flags in __syscall_newfstatat: " + flags,
|
|
);
|
|
path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
|
|
return SYSCALLS.doStat(
|
|
nofollow ? FS.lstat : FS.stat,
|
|
path,
|
|
buf,
|
|
);
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_openat(dirfd, path, flags, varargs) {
|
|
SYSCALLS.varargs = varargs;
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
var mode = varargs ? SYSCALLS.get() : 0;
|
|
return FS.open(path, flags, mode).fd;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_poll(fds, nfds, timeout) {
|
|
try {
|
|
var nonzero = 0;
|
|
for (var i = 0; i < nfds; i++) {
|
|
var pollfd = fds + 8 * i;
|
|
var fd = HEAP32[pollfd >> 2];
|
|
var events = HEAP16[(pollfd + 4) >> 1];
|
|
var mask = 32;
|
|
var stream = FS.getStream(fd);
|
|
if (stream) {
|
|
mask = SYSCALLS.DEFAULT_POLLMASK;
|
|
if (stream.stream_ops.poll) {
|
|
mask = stream.stream_ops.poll(stream);
|
|
}
|
|
}
|
|
mask &= events | 8 | 16;
|
|
if (mask) nonzero++;
|
|
HEAP16[(pollfd + 6) >> 1] = mask;
|
|
}
|
|
return nonzero;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_renameat(olddirfd, oldpath, newdirfd, newpath) {
|
|
try {
|
|
oldpath = SYSCALLS.getStr(oldpath);
|
|
newpath = SYSCALLS.getStr(newpath);
|
|
oldpath = SYSCALLS.calculateAt(olddirfd, oldpath);
|
|
newpath = SYSCALLS.calculateAt(newdirfd, newpath);
|
|
FS.rename(oldpath, newpath);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_rmdir(path) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
FS.rmdir(path);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_stat64(path, buf) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
return SYSCALLS.doStat(FS.stat, path, buf);
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_statfs64(path, size, buf) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
assert(size === 64);
|
|
// NOTE: None of the constants here are true. We're just returning safe and
|
|
// sane values.
|
|
HEAP32[(buf + 4) >> 2] = 4096;
|
|
HEAP32[(buf + 40) >> 2] = 4096;
|
|
HEAP32[(buf + 8) >> 2] = 1000000;
|
|
HEAP32[(buf + 12) >> 2] = 500000;
|
|
HEAP32[(buf + 16) >> 2] = 500000;
|
|
HEAP32[(buf + 20) >> 2] = FS.nextInode;
|
|
HEAP32[(buf + 24) >> 2] = 1000000;
|
|
HEAP32[(buf + 28) >> 2] = 42;
|
|
HEAP32[(buf + 44) >> 2] = 2; // ST_NOSUID
|
|
HEAP32[(buf + 36) >> 2] = 255;
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_unlinkat(dirfd, path, flags) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
if (flags === 0) {
|
|
FS.unlink(path);
|
|
} else if (flags === 512) {
|
|
FS.rmdir(path);
|
|
} else {
|
|
abort("Invalid flags passed to unlinkat");
|
|
}
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function __emscripten_throw_longjmp() {
|
|
throw Infinity;
|
|
}
|
|
|
|
function _emscripten_memcpy_big(dest, src, num) {
|
|
HEAPU8.copyWithin(dest, src, src + num);
|
|
}
|
|
|
|
function getHeapMax() {
|
|
return HEAPU8.length;
|
|
}
|
|
|
|
function abortOnCannotGrowMemory(requestedSize) {
|
|
abort(
|
|
`Cannot enlarge memory arrays to size ${requestedSize} bytes (OOM). Either (1) compile with -sINITIAL_MEMORY=X with X higher than the current value ${HEAP8.length}, (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0`,
|
|
);
|
|
}
|
|
function _emscripten_resize_heap(requestedSize) {
|
|
var oldSize = HEAPU8.length;
|
|
requestedSize = requestedSize >>> 0;
|
|
abortOnCannotGrowMemory(requestedSize);
|
|
}
|
|
|
|
function _emscripten_scan_registers(func) {
|
|
throw "Please compile your program with async support in order to use asynchronous operations like emscripten_scan_registers";
|
|
}
|
|
|
|
function _fd_close(fd) {
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
FS.close(stream);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} offset */
|
|
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.name === "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 _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.floor(tempDouble / 4294967296.0) >>> 0
|
|
: ~~+Math.ceil(
|
|
(tempDouble - +(~~tempDouble >>> 0)) /
|
|
4294967296.0,
|
|
) >>> 0
|
|
: 0),
|
|
]),
|
|
(HEAP32[newOffset >> 2] = tempI64[0]),
|
|
(HEAP32[(newOffset + 4) >> 2] = tempI64[1]);
|
|
if (stream.getdents && offset === 0 && whence === 0)
|
|
stream.getdents = null; // reset readdir state
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError"))
|
|
throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
function _fd_sync(fd) {
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
if (stream.stream_ops && stream.stream_ops.fsync) {
|
|
return stream.stream_ops.fsync(stream);
|
|
}
|
|
return 0; // we can't do anything synchronously; the in-memory FS is already synced to
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "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.name === "ErrnoError"))
|
|
throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
function _mp_js_hook() {
|
|
if (typeof window === "undefined") {
|
|
var mp_interrupt_char = Module.ccall(
|
|
"mp_hal_get_interrupt_char",
|
|
"number",
|
|
["number"],
|
|
["null"],
|
|
);
|
|
var fs = require("fs");
|
|
|
|
var buf = Buffer.alloc(1);
|
|
try {
|
|
var n = fs.readSync(process.stdin.fd, buf, 0, 1);
|
|
if (n > 0) {
|
|
if (buf[0] == mp_interrupt_char) {
|
|
Module.ccall(
|
|
"mp_sched_keyboard_interrupt",
|
|
"null",
|
|
["null"],
|
|
["null"],
|
|
);
|
|
} else {
|
|
process.stdout.write(String.fromCharCode(buf[0]));
|
|
}
|
|
}
|
|
} catch (e) {
|
|
if (e.code === "EAGAIN") {
|
|
} else {
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function _mp_js_ticks_ms() {
|
|
return Date.now() - MP_JS_EPOCH;
|
|
}
|
|
|
|
function _mp_js_write(ptr, len) {
|
|
const buffer = HEAPU8.subarray(ptr, ptr + len);
|
|
if (typeof window === "undefined") {
|
|
process.stdout.write(buffer);
|
|
} else {
|
|
const printEvent = new CustomEvent("micropython-print", {
|
|
detail: buffer,
|
|
});
|
|
document.dispatchEvent(printEvent);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
function getCFunc(ident) {
|
|
var func = Module["_" + ident]; // closure exported function
|
|
assert(
|
|
func,
|
|
"Cannot call unknown function " +
|
|
ident +
|
|
", make sure it is exported",
|
|
);
|
|
return func;
|
|
}
|
|
|
|
function writeArrayToMemory(array, buffer) {
|
|
assert(
|
|
array.length >= 0,
|
|
"writeArrayToMemory array must have a length (should be an array or typed array)",
|
|
);
|
|
HEAP8.set(array, buffer);
|
|
}
|
|
|
|
function stringToUTF8OnStack(str) {
|
|
var size = lengthBytesUTF8(str) + 1;
|
|
var ret = stackAlloc(size);
|
|
stringToUTF8(str, ret, size);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* @param {string|null=} returnType
|
|
* @param {Array=} argTypes
|
|
* @param {Arguments|Array=} args
|
|
* @param {Object=} opts
|
|
*/
|
|
function ccall(ident, returnType, argTypes, args, opts) {
|
|
// For fast lookup of conversion functions
|
|
var toC = {
|
|
string: (str) => {
|
|
var ret = 0;
|
|
if (str !== null && str !== undefined && str !== 0) {
|
|
// null string
|
|
// at most 4 bytes per UTF-8 code point, +1 for the trailing '\0'
|
|
ret = stringToUTF8OnStack(str);
|
|
}
|
|
return ret;
|
|
},
|
|
array: (arr) => {
|
|
var ret = stackAlloc(arr.length);
|
|
writeArrayToMemory(arr, ret);
|
|
return ret;
|
|
},
|
|
};
|
|
|
|
function convertReturnValue(ret) {
|
|
if (returnType === "string") {
|
|
return UTF8ToString(ret);
|
|
}
|
|
if (returnType === "boolean") return Boolean(ret);
|
|
return ret;
|
|
}
|
|
|
|
var func = getCFunc(ident);
|
|
var cArgs = [];
|
|
var stack = 0;
|
|
assert(
|
|
returnType !== "array",
|
|
'Return type should not be "array".',
|
|
);
|
|
if (args) {
|
|
for (var i = 0; i < args.length; i++) {
|
|
var converter = toC[argTypes[i]];
|
|
if (converter) {
|
|
if (stack === 0) stack = stackSave();
|
|
cArgs[i] = converter(args[i]);
|
|
} else {
|
|
cArgs[i] = args[i];
|
|
}
|
|
}
|
|
}
|
|
var ret = func.apply(null, cArgs);
|
|
function onDone(ret) {
|
|
if (stack !== 0) stackRestore(stack);
|
|
return convertReturnValue(ret);
|
|
}
|
|
|
|
ret = onDone(ret);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* @param {string=} returnType
|
|
* @param {Array=} argTypes
|
|
* @param {Object=} opts
|
|
*/
|
|
function cwrap(ident, returnType, argTypes, opts) {
|
|
return function () {
|
|
return ccall(ident, returnType, argTypes, arguments, opts);
|
|
};
|
|
}
|
|
|
|
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.createPreloadedFile = FS_createPreloadedFile;
|
|
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,
|
|
};
|
|
var MP_JS_EPOCH = Date.now();
|
|
function checkIncomingModuleAPI() {
|
|
ignoredModuleProp("fetchSettings");
|
|
}
|
|
var wasmImports = {
|
|
__syscall_chdir: ___syscall_chdir,
|
|
__syscall_fstat64: ___syscall_fstat64,
|
|
__syscall_getcwd: ___syscall_getcwd,
|
|
__syscall_getdents64: ___syscall_getdents64,
|
|
__syscall_lstat64: ___syscall_lstat64,
|
|
__syscall_mkdirat: ___syscall_mkdirat,
|
|
__syscall_newfstatat: ___syscall_newfstatat,
|
|
__syscall_openat: ___syscall_openat,
|
|
__syscall_poll: ___syscall_poll,
|
|
__syscall_renameat: ___syscall_renameat,
|
|
__syscall_rmdir: ___syscall_rmdir,
|
|
__syscall_stat64: ___syscall_stat64,
|
|
__syscall_statfs64: ___syscall_statfs64,
|
|
__syscall_unlinkat: ___syscall_unlinkat,
|
|
_emscripten_throw_longjmp: __emscripten_throw_longjmp,
|
|
call0: call0,
|
|
call0_kwarg: call0_kwarg,
|
|
call1: call1,
|
|
call1_kwarg: call1_kwarg,
|
|
call2: call2,
|
|
emscripten_memcpy_big: _emscripten_memcpy_big,
|
|
emscripten_resize_heap: _emscripten_resize_heap,
|
|
emscripten_scan_registers: _emscripten_scan_registers,
|
|
fd_close: _fd_close,
|
|
fd_read: _fd_read,
|
|
fd_seek: _fd_seek,
|
|
fd_sync: _fd_sync,
|
|
fd_write: _fd_write,
|
|
invoke_i: invoke_i,
|
|
invoke_ii: invoke_ii,
|
|
invoke_iii: invoke_iii,
|
|
invoke_iiii: invoke_iiii,
|
|
invoke_iiiii: invoke_iiiii,
|
|
invoke_v: invoke_v,
|
|
invoke_vi: invoke_vi,
|
|
invoke_vii: invoke_vii,
|
|
invoke_viii: invoke_viii,
|
|
invoke_viiii: invoke_viiii,
|
|
js_callable_proxy: js_callable_proxy,
|
|
js_get_len: js_get_len,
|
|
js_reflect_construct: js_reflect_construct,
|
|
js_subscr_int: js_subscr_int,
|
|
js_subscr_load: js_subscr_load,
|
|
js_subscr_store: js_subscr_store,
|
|
load_global: load_global,
|
|
lookup_attr: lookup_attr,
|
|
mp_js_hook: _mp_js_hook,
|
|
mp_js_ticks_ms: _mp_js_ticks_ms,
|
|
mp_js_write: _mp_js_write,
|
|
store_attr: store_attr,
|
|
};
|
|
var asm = createWasm();
|
|
/** @type {function(...*):?} */
|
|
var ___wasm_call_ctors = createExportWrapper("__wasm_call_ctors");
|
|
/** @type {function(...*):?} */
|
|
var _malloc = (Module["_malloc"] = createExportWrapper("malloc"));
|
|
/** @type {function(...*):?} */
|
|
var _free = (Module["_free"] = createExportWrapper("free"));
|
|
/** @type {function(...*):?} */
|
|
var _mp_sched_keyboard_interrupt = (Module[
|
|
"_mp_sched_keyboard_interrupt"
|
|
] = createExportWrapper("mp_sched_keyboard_interrupt"));
|
|
/** @type {function(...*):?} */
|
|
var ___errno_location = createExportWrapper("__errno_location");
|
|
/** @type {function(...*):?} */
|
|
var _mp_js_register_js_module = (Module["_mp_js_register_js_module"] =
|
|
createExportWrapper("mp_js_register_js_module"));
|
|
/** @type {function(...*):?} */
|
|
var _mp_js_do_import = (Module["_mp_js_do_import"] =
|
|
createExportWrapper("mp_js_do_import"));
|
|
/** @type {function(...*):?} */
|
|
var _mp_js_do_exec = (Module["_mp_js_do_exec"] =
|
|
createExportWrapper("mp_js_do_exec"));
|
|
/** @type {function(...*):?} */
|
|
var _mp_obj_jsobj_callback_proxy = (Module[
|
|
"_mp_obj_jsobj_callback_proxy"
|
|
] = createExportWrapper("mp_obj_jsobj_callback_proxy"));
|
|
/** @type {function(...*):?} */
|
|
var _proxy_c_init = (Module["_proxy_c_init"] =
|
|
createExportWrapper("proxy_c_init"));
|
|
/** @type {function(...*):?} */
|
|
var _proxy_c_to_js_call = (Module["_proxy_c_to_js_call"] =
|
|
createExportWrapper("proxy_c_to_js_call"));
|
|
/** @type {function(...*):?} */
|
|
var _proxy_c_to_js_lookup_attr = (Module["_proxy_c_to_js_lookup_attr"] =
|
|
createExportWrapper("proxy_c_to_js_lookup_attr"));
|
|
/** @type {function(...*):?} */
|
|
var _mp_js_do_str = (Module["_mp_js_do_str"] =
|
|
createExportWrapper("mp_js_do_str"));
|
|
/** @type {function(...*):?} */
|
|
var _mp_js_process_char = (Module["_mp_js_process_char"] =
|
|
createExportWrapper("mp_js_process_char"));
|
|
/** @type {function(...*):?} */
|
|
var _mp_js_init = (Module["_mp_js_init"] =
|
|
createExportWrapper("mp_js_init"));
|
|
/** @type {function(...*):?} */
|
|
var _mp_js_init_repl = (Module["_mp_js_init_repl"] =
|
|
createExportWrapper("mp_js_init_repl"));
|
|
/** @type {function(...*):?} */
|
|
var _mp_hal_get_interrupt_char = (Module["_mp_hal_get_interrupt_char"] =
|
|
createExportWrapper("mp_hal_get_interrupt_char"));
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_get_base = function () {
|
|
return (_emscripten_stack_get_base =
|
|
Module["asm"]["emscripten_stack_get_base"]).apply(
|
|
null,
|
|
arguments,
|
|
);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_get_current = function () {
|
|
return (_emscripten_stack_get_current =
|
|
Module["asm"]["emscripten_stack_get_current"]).apply(
|
|
null,
|
|
arguments,
|
|
);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var _fflush = (Module["_fflush"] = createExportWrapper("fflush"));
|
|
/** @type {function(...*):?} */
|
|
var _setThrew = createExportWrapper("setThrew");
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_init = function () {
|
|
return (_emscripten_stack_init =
|
|
Module["asm"]["emscripten_stack_init"]).apply(null, arguments);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_get_free = function () {
|
|
return (_emscripten_stack_get_free =
|
|
Module["asm"]["emscripten_stack_get_free"]).apply(
|
|
null,
|
|
arguments,
|
|
);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var _emscripten_stack_get_end = function () {
|
|
return (_emscripten_stack_get_end =
|
|
Module["asm"]["emscripten_stack_get_end"]).apply(
|
|
null,
|
|
arguments,
|
|
);
|
|
};
|
|
|
|
/** @type {function(...*):?} */
|
|
var stackSave = createExportWrapper("stackSave");
|
|
/** @type {function(...*):?} */
|
|
var stackRestore = createExportWrapper("stackRestore");
|
|
/** @type {function(...*):?} */
|
|
var stackAlloc = createExportWrapper("stackAlloc");
|
|
var ___start_em_js = (Module["___start_em_js"] = 169992);
|
|
var ___stop_em_js = (Module["___stop_em_js"] = 173353);
|
|
function invoke_ii(index, a1) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)(a1);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_viii(index, a1, a2, a3) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)(a1, a2, a3);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_iiiii(index, a1, a2, a3, a4) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)(a1, a2, a3, a4);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_v(index) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)();
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_iii(index, a1, a2) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)(a1, a2);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_vi(index, a1) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)(a1);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_iiii(index, a1, a2, a3) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)(a1, a2, a3);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_vii(index, a1, a2) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)(a1, a2);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_i(index) {
|
|
var sp = stackSave();
|
|
try {
|
|
return getWasmTableEntry(index)();
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_viiii(index, a1, a2, a3, a4) {
|
|
var sp = stackSave();
|
|
try {
|
|
getWasmTableEntry(index)(a1, a2, a3, a4);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
// include: postamble.js
|
|
// === Auto-generated postamble setup entry stuff ===
|
|
|
|
Module["ccall"] = ccall;
|
|
Module["cwrap"] = cwrap;
|
|
Module["setValue"] = setValue;
|
|
Module["getValue"] = getValue;
|
|
Module["PATH"] = PATH;
|
|
Module["PATH_FS"] = PATH_FS;
|
|
Module["UTF8ToString"] = UTF8ToString;
|
|
Module["stringToUTF8"] = stringToUTF8;
|
|
Module["lengthBytesUTF8"] = lengthBytesUTF8;
|
|
Module["FS"] = FS;
|
|
var missingLibrarySymbols = [
|
|
"exitJS",
|
|
"emscripten_realloc_buffer",
|
|
"isLeapYear",
|
|
"ydayFromDate",
|
|
"arraySum",
|
|
"addDays",
|
|
"setErrNo",
|
|
"inetPton4",
|
|
"inetNtop4",
|
|
"inetPton6",
|
|
"inetNtop6",
|
|
"readSockaddr",
|
|
"writeSockaddr",
|
|
"getHostByName",
|
|
"traverseStack",
|
|
"getCallstack",
|
|
"emscriptenLog",
|
|
"convertPCtoSourceLocation",
|
|
"readEmAsmArgs",
|
|
"jstoi_q",
|
|
"jstoi_s",
|
|
"getExecutableName",
|
|
"listenOnce",
|
|
"autoResumeAudioContext",
|
|
"dynCallLegacy",
|
|
"getDynCaller",
|
|
"dynCall",
|
|
"handleException",
|
|
"runtimeKeepalivePush",
|
|
"runtimeKeepalivePop",
|
|
"callUserCallback",
|
|
"maybeExit",
|
|
"safeSetTimeout",
|
|
"asmjsMangle",
|
|
"HandleAllocator",
|
|
"getNativeTypeSize",
|
|
"STACK_SIZE",
|
|
"STACK_ALIGN",
|
|
"POINTER_SIZE",
|
|
"ASSERTIONS",
|
|
"writeI53ToI64",
|
|
"writeI53ToI64Clamped",
|
|
"writeI53ToI64Signaling",
|
|
"writeI53ToU64Clamped",
|
|
"writeI53ToU64Signaling",
|
|
"readI53FromI64",
|
|
"readI53FromU64",
|
|
"convertI32PairToI53",
|
|
"convertU32PairToI53",
|
|
"uleb128Encode",
|
|
"sigToWasmTypes",
|
|
"generateFuncType",
|
|
"convertJsFunctionToWasm",
|
|
"getEmptyTableSlot",
|
|
"updateTableMap",
|
|
"getFunctionAddress",
|
|
"addFunction",
|
|
"removeFunction",
|
|
"reallyNegative",
|
|
"unSign",
|
|
"strLen",
|
|
"reSign",
|
|
"formatString",
|
|
"intArrayToString",
|
|
"AsciiToString",
|
|
"stringToAscii",
|
|
"UTF16ToString",
|
|
"stringToUTF16",
|
|
"lengthBytesUTF16",
|
|
"UTF32ToString",
|
|
"stringToUTF32",
|
|
"lengthBytesUTF32",
|
|
"stringToNewUTF8",
|
|
"getSocketFromFD",
|
|
"getSocketAddress",
|
|
"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",
|
|
"getEnvStrings",
|
|
"checkWasiClock",
|
|
"wasiRightsToMuslOFlags",
|
|
"wasiOFlagsToMuslOFlags",
|
|
"createDyncallWrapper",
|
|
"setImmediateWrapped",
|
|
"clearImmediateWrapped",
|
|
"polyfillSetImmediate",
|
|
"getPromise",
|
|
"makePromise",
|
|
"idsToPromises",
|
|
"makePromiseCallback",
|
|
"ExceptionInfo",
|
|
"setMainLoop",
|
|
"_setNetworkCallback",
|
|
"heapObjectForWebGLType",
|
|
"heapAccessShiftForWebGLHeap",
|
|
"webgl_enable_ANGLE_instanced_arrays",
|
|
"webgl_enable_OES_vertex_array_object",
|
|
"webgl_enable_WEBGL_draw_buffers",
|
|
"webgl_enable_WEBGL_multi_draw",
|
|
"emscriptenWebGLGet",
|
|
"computeUnpackAlignedImageSize",
|
|
"colorChannelsInGlTextureFormat",
|
|
"emscriptenWebGLGetTexPixelData",
|
|
"__glGenObject",
|
|
"emscriptenWebGLGetUniform",
|
|
"webglGetUniformLocation",
|
|
"webglPrepareUniformLocationsBeforeFirstUse",
|
|
"webglGetLeftBracePos",
|
|
"emscriptenWebGLGetVertexAttrib",
|
|
"__glGetActiveAttribOrUniform",
|
|
"writeGLArray",
|
|
"registerWebGlEventCallback",
|
|
"runAndAbortIfError",
|
|
"SDL_unicode",
|
|
"SDL_ttfContext",
|
|
"SDL_audio",
|
|
"GLFW_Window",
|
|
"ALLOC_NORMAL",
|
|
"ALLOC_STACK",
|
|
"allocate",
|
|
"writeStringToMemory",
|
|
"writeAsciiToMemory",
|
|
];
|
|
missingLibrarySymbols.forEach(missingLibrarySymbol);
|
|
|
|
var unexportedSymbols = [
|
|
"run",
|
|
"addOnPreRun",
|
|
"addOnInit",
|
|
"addOnPreMain",
|
|
"addOnExit",
|
|
"addOnPostRun",
|
|
"addRunDependency",
|
|
"removeRunDependency",
|
|
"FS_createFolder",
|
|
"FS_createPath",
|
|
"FS_createDataFile",
|
|
"FS_createLazyFile",
|
|
"FS_createLink",
|
|
"FS_createDevice",
|
|
"FS_unlink",
|
|
"out",
|
|
"err",
|
|
"callMain",
|
|
"abort",
|
|
"keepRuntimeAlive",
|
|
"wasmMemory",
|
|
"stackAlloc",
|
|
"stackSave",
|
|
"stackRestore",
|
|
"getTempRet0",
|
|
"setTempRet0",
|
|
"writeStackCookie",
|
|
"checkStackCookie",
|
|
"ptrToString",
|
|
"zeroMemory",
|
|
"getHeapMax",
|
|
"abortOnCannotGrowMemory",
|
|
"ENV",
|
|
"MONTH_DAYS_REGULAR",
|
|
"MONTH_DAYS_LEAP",
|
|
"MONTH_DAYS_REGULAR_CUMULATIVE",
|
|
"MONTH_DAYS_LEAP_CUMULATIVE",
|
|
"ERRNO_CODES",
|
|
"ERRNO_MESSAGES",
|
|
"DNS",
|
|
"Protocols",
|
|
"Sockets",
|
|
"initRandomFill",
|
|
"randomFill",
|
|
"timers",
|
|
"warnOnce",
|
|
"UNWIND_CACHE",
|
|
"readEmAsmArgsArray",
|
|
"asyncLoad",
|
|
"alignMemory",
|
|
"mmapAlloc",
|
|
"convertI32PairToI53Checked",
|
|
"getCFunc",
|
|
"freeTableIndexes",
|
|
"functionsInTableMap",
|
|
"UTF8Decoder",
|
|
"UTF8ArrayToString",
|
|
"stringToUTF8Array",
|
|
"intArrayFromString",
|
|
"UTF16Decoder",
|
|
"stringToUTF8OnStack",
|
|
"writeArrayToMemory",
|
|
"SYSCALLS",
|
|
"JSEvents",
|
|
"specialHTMLTargets",
|
|
"currentFullscreenStrategy",
|
|
"restoreOldWindowedStyle",
|
|
"demangle",
|
|
"demangleAll",
|
|
"ExitStatus",
|
|
"doReadv",
|
|
"doWritev",
|
|
"dlopenMissingError",
|
|
"promiseMap",
|
|
"uncaughtExceptionCount",
|
|
"exceptionLast",
|
|
"exceptionCaught",
|
|
"Browser",
|
|
"wget",
|
|
"preloadPlugins",
|
|
"FS_createPreloadedFile",
|
|
"FS_modeStringToFlags",
|
|
"FS_getMode",
|
|
"MEMFS",
|
|
"TTY",
|
|
"PIPEFS",
|
|
"SOCKFS",
|
|
"tempFixedLengthArray",
|
|
"miniTempWebGLFloatBuffers",
|
|
"miniTempWebGLIntBuffers",
|
|
"GL",
|
|
"emscripten_webgl_power_preferences",
|
|
"AL",
|
|
"GLUT",
|
|
"EGL",
|
|
"GLEW",
|
|
"IDBStore",
|
|
"SDL",
|
|
"SDL_gfx",
|
|
"GLFW",
|
|
"allocateUTF8",
|
|
"allocateUTF8OnStack",
|
|
];
|
|
unexportedSymbols.forEach(unexportedRuntimeSymbol);
|
|
|
|
var calledRun;
|
|
|
|
dependenciesFulfilled = function runCaller() {
|
|
// If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
|
|
if (!calledRun) run();
|
|
if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
|
|
};
|
|
|
|
function stackCheckInit() {
|
|
// This is normally called automatically during __wasm_call_ctors but need to
|
|
// get these values before even running any of the ctors so we call it redundantly
|
|
// here.
|
|
_emscripten_stack_init();
|
|
// TODO(sbc): Move writeStackCookie to native to to avoid this.
|
|
writeStackCookie();
|
|
}
|
|
|
|
function run() {
|
|
if (runDependencies > 0) {
|
|
return;
|
|
}
|
|
|
|
stackCheckInit();
|
|
|
|
preRun();
|
|
|
|
// a preRun added a dependency, run will be called later
|
|
if (runDependencies > 0) {
|
|
return;
|
|
}
|
|
|
|
function doRun() {
|
|
// run may have just been called through dependencies being fulfilled just in this very frame,
|
|
// or while the async setStatus time below was happening
|
|
if (calledRun) return;
|
|
calledRun = true;
|
|
Module["calledRun"] = true;
|
|
|
|
if (ABORT) return;
|
|
|
|
initRuntime();
|
|
|
|
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();
|
|
|
|
// end include: postamble.js
|
|
|
|
return _createMicroPythonModule.ready;
|
|
};
|
|
})();
|
|
if (typeof exports === "object" && typeof module === "object")
|
|
module.exports = _createMicroPythonModule;
|
|
else if (typeof define === "function" && define["amd"])
|
|
define([], function () {
|
|
return _createMicroPythonModule;
|
|
});
|
|
else if (typeof exports === "object")
|
|
exports["_createMicroPythonModule"] = _createMicroPythonModule;
|
|
export async function loadMicroPython(options) {
|
|
const { heapsize, url } = Object.assign({ heapsize: 1024 * 1024 }, options);
|
|
const Module = {};
|
|
Module.locateFile = (path, scriptDirectory) => url || path;
|
|
const moduleLoaded = new Promise((r) => (Module.postRun = r));
|
|
_createMicroPythonModule(Module);
|
|
await moduleLoaded;
|
|
globalThis.Module = Module;
|
|
proxy_js_init();
|
|
Module.ccall("mp_js_init", "null", ["number"], [heapsize]);
|
|
Module.ccall("proxy_c_init", "null", [], []);
|
|
return {
|
|
_module: Module,
|
|
FS: Module.FS,
|
|
globals: {}, // TODO should be a combination of __main__.__dict__ and builtins.__dict__
|
|
registerComlink(comlink) {},
|
|
registerJsModule(name, module) {
|
|
const value = Module._malloc(3 * 4);
|
|
convert_js_to_mp_obj_jsside(module, value);
|
|
Module.ccall(
|
|
"mp_js_register_js_module",
|
|
"null",
|
|
["string", "pointer"],
|
|
[name, value],
|
|
);
|
|
Module._free(value);
|
|
},
|
|
pyimport(name) {
|
|
const value = Module._malloc(3 * 4);
|
|
Module.ccall(
|
|
"mp_js_do_import",
|
|
"null",
|
|
["string", "pointer"],
|
|
[name, value],
|
|
);
|
|
return convert_mp_to_js_obj_jsside_with_free(value);
|
|
},
|
|
runPython(code) {
|
|
const value = Module._malloc(3 * 4);
|
|
Module.ccall(
|
|
"mp_js_do_exec",
|
|
"number",
|
|
["string", "pointer"],
|
|
[code, value],
|
|
);
|
|
return convert_mp_to_js_obj_jsside_with_free(value);
|
|
},
|
|
};
|
|
}
|
|
|
|
globalThis.loadMicroPython = loadMicroPython;
|
|
class PythonError extends Error {}
|
|
Object.defineProperty(PythonError.prototype, "name", { value: "PythonError" });
|
|
|
|
function proxy_js_init() {
|
|
globalThis.proxy_js_ref = [0];
|
|
}
|
|
|
|
function proxy_call_python(target, argumentsList) {
|
|
console.debug("APPLY", target, argumentsList);
|
|
let args = 0;
|
|
|
|
// TODO: is this the correct thing to do, strip trailing "undefined" args?
|
|
while (
|
|
argumentsList.length > 0 &&
|
|
argumentsList[argumentsList.length - 1] === undefined
|
|
) {
|
|
argumentsList.pop();
|
|
}
|
|
|
|
if (argumentsList.length > 0) {
|
|
// TODO use stackAlloc/stackRestore?
|
|
args = Module._malloc(argumentsList.length * 3 * 4);
|
|
for (let i in argumentsList) {
|
|
convert_js_to_mp_obj_jsside(argumentsList[i], args + i * 3 * 4);
|
|
}
|
|
}
|
|
const value = Module._malloc(3 * 4);
|
|
Module.ccall(
|
|
"proxy_c_to_js_call",
|
|
"null",
|
|
["number", "number", "number", "pointer"],
|
|
[target, argumentsList.length, args, value],
|
|
);
|
|
if (argumentsList.length > 0) {
|
|
Module._free(args);
|
|
}
|
|
return convert_mp_to_js_obj_jsside_with_free(value);
|
|
}
|
|
|
|
const proxy_handler = {
|
|
isExtensible() {
|
|
return true;
|
|
},
|
|
has(target, prop) {
|
|
throw Error("has not implemented");
|
|
},
|
|
get(target, prop) {
|
|
console.debug("GET", target._ref, prop);
|
|
if (prop in target || typeof prop === "symbol") {
|
|
return Reflect.get(target, prop);
|
|
}
|
|
const value = Module._malloc(3 * 4);
|
|
Module.ccall(
|
|
"proxy_c_to_js_lookup_attr",
|
|
"number",
|
|
["number", "string", "pointer"],
|
|
[target._ref, prop, value],
|
|
);
|
|
return convert_mp_to_js_obj_jsside_with_free(value);
|
|
},
|
|
set(target, prop, value) {
|
|
console.debug("SET", target, prop, value);
|
|
if (typeof prop === "symbol") {
|
|
return Reflect.set(target, prop, value);
|
|
}
|
|
throw Error("set not implemented");
|
|
return true;
|
|
},
|
|
deleteProperty(target, prop) {
|
|
throw Error("deleteProperty not implemented");
|
|
},
|
|
ownKeys(target) {
|
|
throw Error("ownKeys not implemented");
|
|
},
|
|
};
|
|
|
|
function convert_js_to_mp_obj_jsside(js_obj, out) {
|
|
let kind;
|
|
if (js_obj === null) {
|
|
kind = 1;
|
|
} else if (typeof js_obj === "boolean") {
|
|
kind = 2;
|
|
Module.setValue(out + 4, js_obj, "i32");
|
|
} else if (typeof js_obj === "number") {
|
|
kind = 3;
|
|
Module.setValue(out + 4, js_obj, "i32");
|
|
} else if (typeof js_obj === "string") {
|
|
kind = 4;
|
|
const len = Module.lengthBytesUTF8(js_obj);
|
|
const buf = Module._malloc(len + 1);
|
|
Module.stringToUTF8(js_obj, buf, len + 1);
|
|
Module.setValue(out + 4, len, "i32");
|
|
Module.setValue(out + 8, buf, "i32");
|
|
} else if (typeof js_obj === "object" && "_ref" in js_obj) {
|
|
// Is this our Proxy object??
|
|
throw new Error("convert_js_to_mp_obj_jsside: not implemented");
|
|
} else {
|
|
kind = 5;
|
|
const id = proxy_js_ref.length;
|
|
proxy_js_ref[id] = js_obj;
|
|
Module.setValue(out + 4, id, "i32");
|
|
}
|
|
Module.setValue(out + 0, kind, "i32");
|
|
console.debug(
|
|
"convert_js_to_mp_obj_jsside",
|
|
js_obj,
|
|
out,
|
|
"->",
|
|
kind,
|
|
Module.getValue(out + 4, "i32"),
|
|
);
|
|
}
|
|
|
|
function convert_mp_to_js_obj_jsside(value) {
|
|
const kind = Module.getValue(value, "i32");
|
|
let obj;
|
|
if (kind == -1) {
|
|
// Exception
|
|
const str_len = Module.getValue(value + 4, "i32");
|
|
const str_ptr = Module.getValue(value + 8, "i32");
|
|
const str = Module.UTF8ToString(str_ptr, str_len);
|
|
Module._free(str_ptr);
|
|
console.error("MicroPython exception:", str);
|
|
throw new PythonError(str);
|
|
}
|
|
if (kind == 0) {
|
|
// MP_OBJ_NULL
|
|
throw new Error("NULL object");
|
|
} else if (kind == 1) {
|
|
// None
|
|
obj = null;
|
|
} else if (kind == 2) {
|
|
// bool
|
|
obj = Module.getValue(value + 4, "i32") ? true : false;
|
|
} else if (kind == 3) {
|
|
// int
|
|
obj = Module.getValue(value + 4, "i32");
|
|
} else if (kind == 4) {
|
|
// str
|
|
const str_len = Module.getValue(value + 4, "i32");
|
|
const str_ptr = Module.getValue(value + 8, "i32");
|
|
obj = Module.UTF8ToString(str_ptr, str_len);
|
|
} else if (kind == 7) {
|
|
// js obj
|
|
const id = Module.getValue(value + 4, "i32");
|
|
obj = proxy_js_ref[id];
|
|
} else {
|
|
// obj
|
|
const id = Module.getValue(value + 4, "i32");
|
|
if (kind == 5) {
|
|
obj = function (...args) {
|
|
return proxy_call_python(id, args);
|
|
};
|
|
} else {
|
|
let target = {};
|
|
target._ref = id;
|
|
obj = new Proxy(target, proxy_handler);
|
|
}
|
|
}
|
|
console.debug(
|
|
"convert_mp_to_js_obj_jsside",
|
|
value,
|
|
kind,
|
|
"->",
|
|
obj,
|
|
kind == 5 ? Module.getValue(value + 4, "i32") : "",
|
|
);
|
|
return obj;
|
|
}
|
|
|
|
function convert_mp_to_js_obj_jsside_with_free(value) {
|
|
const ret = convert_mp_to_js_obj_jsside(value);
|
|
Module._free(value);
|
|
return ret;
|
|
}
|
|
|
|
function python_index_semantics(target, index) {
|
|
if (typeof index === "number") {
|
|
if (index < 0) {
|
|
index += target.length;
|
|
}
|
|
if (index < 0 || index >= target.length) {
|
|
throw new PythonError("index out of range");
|
|
}
|
|
}
|
|
return index;
|
|
}
|