diff --git a/spin/Dockerfile b/spin/Dockerfile
deleted file mode 100644
index 667dc4e..0000000
--- a/spin/Dockerfile
+++ /dev/null
@@ -1,12 +0,0 @@
-FROM emscripten/emsdk:latest as emk
-COPY . .
-RUN ls
-RUN emcc src/spin.c -Oz -o spin.html \
- --no-entry \
- -s EXPORT_ALL=1 \
- -s INITIAL_MEMORY=1024mb \
- -s ENVIRONMENT=web \
- -s EXPORT_ES6=1 \
- -s MODULARIZE=1 \
- -s SINGLE_FILE=1 \
- -s EXPORT_ES6=1
diff --git a/spin/build.sh b/spin/build.sh
deleted file mode 100644
index d1f8a0a..0000000
--- a/spin/build.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-docker run \
---rm \
--v $(pwd):/src \
--u $(id -u):$(id -g) \
-emscripten/emsdk \
-emcc src/sf2r/pdta.spec.c --pre-js pmod.js -o spin.test.html \
--sFORCE_FILESYSTEM \
--s EXPORTED_RUNTIME_METHODS="['FS', 'ccall', 'UTF8ToString', 'lengthBytesUTF8', 'stringToUTF8', 'getValue']" \
--s ALLOW_MEMORY_GROWTH=1 \
--s STACK_SIZE=1048576 \
---preload-file assets
diff --git a/spin/spin.test.data b/spin/spin.test.data
deleted file mode 100644
index ebee2a0..0000000
Binary files a/spin/spin.test.data and /dev/null differ
diff --git a/spin/spin.test.html b/spin/spin.test.html
deleted file mode 100644
index dcc248b..0000000
--- a/spin/spin.test.html
+++ /dev/null
@@ -1,1292 +0,0 @@
-
-
-
-
-
- Emscripten-Generated Code
-
-
-
-
-
-
-
-
- Downloading...
-
-
- Resize canvas
- Lock/hide mouse pointer
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/spin/spin.test.js b/spin/spin.test.js
deleted file mode 100644
index 6f749c9..0000000
--- a/spin/spin.test.js
+++ /dev/null
@@ -1,5159 +0,0 @@
-// include: shell.js
-// The Module object: Our interface to the outside world. We import
-// and export values on it. There are various ways Module can be used:
-// 1. Not defined. We create it here
-// 2. A function parameter, function(Module) { ..generated code.. }
-// 3. pre-run appended it, var Module = {}; ..generated code..
-// 4. External script tag defines var Module.
-// We need to check if Module already exists (e.g. case 3 above).
-// Substitution will be replaced with actual code on later stage of the build,
-// this way Closure Compiler will not mangle it (e.g. case 4. above).
-// Note that if you want to run closure, and also to use Module
-// after the generated code, you will need to define var Module = {};
-// before the code. Then that object will be used in the code, and you
-// can continue to use Module afterwards as well.
-var Module = typeof Module != 'undefined' ? Module : {};
-
-// --pre-jses are emitted after the Module integration code, so that they can
-// refer to Module (if they choose; they can also define Module)
-
- if (!Module.expectedDataFileDownloads) {
- Module.expectedDataFileDownloads = 0;
- }
-
- Module.expectedDataFileDownloads++;
- (function() {
- // Do not attempt to redownload the virtual filesystem data when in a pthread or a Wasm Worker context.
- if (Module['ENVIRONMENT_IS_PTHREAD'] || Module['$ww']) return;
- var loadPackage = function(metadata) {
-
- var PACKAGE_PATH = '';
- if (typeof window === 'object') {
- PACKAGE_PATH = window['encodeURIComponent'](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf('/')) + '/');
- } else if (typeof process === 'undefined' && typeof location !== 'undefined') {
- // web worker
- PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf('/')) + '/');
- }
- var PACKAGE_NAME = 'spin.test.data';
- var REMOTE_PACKAGE_BASE = 'spin.test.data';
- if (typeof Module['locateFilePackage'] === 'function' && !Module['locateFile']) {
- Module['locateFile'] = Module['locateFilePackage'];
- err('warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)');
- }
- var REMOTE_PACKAGE_NAME = Module['locateFile'] ? Module['locateFile'](REMOTE_PACKAGE_BASE, '') : REMOTE_PACKAGE_BASE;
-var REMOTE_PACKAGE_SIZE = metadata['remote_package_size'];
-
- function fetchRemotePackage(packageName, packageSize, callback, errback) {
- if (typeof process === 'object' && typeof process.versions === 'object' && typeof process.versions.node === 'string') {
- require('fs').readFile(packageName, function(err, contents) {
- if (err) {
- errback(err);
- } else {
- callback(contents.buffer);
- }
- });
- return;
- }
- var xhr = new XMLHttpRequest();
- xhr.open('GET', packageName, true);
- xhr.responseType = 'arraybuffer';
- xhr.onprogress = function(event) {
- var url = packageName;
- var size = packageSize;
- if (event.total) size = event.total;
- if (event.loaded) {
- if (!xhr.addedTotal) {
- xhr.addedTotal = true;
- if (!Module.dataFileDownloads) Module.dataFileDownloads = {};
- Module.dataFileDownloads[url] = {
- loaded: event.loaded,
- total: size
- };
- } else {
- Module.dataFileDownloads[url].loaded = event.loaded;
- }
- var total = 0;
- var loaded = 0;
- var num = 0;
- for (var download in Module.dataFileDownloads) {
- var data = Module.dataFileDownloads[download];
- total += data.total;
- loaded += data.loaded;
- num++;
- }
- total = Math.ceil(total * Module.expectedDataFileDownloads/num);
- if (Module['setStatus']) Module['setStatus'](`Downloading data... (${loaded}/${total})`);
- } else if (!Module.dataFileDownloads) {
- if (Module['setStatus']) Module['setStatus']('Downloading data...');
- }
- };
- xhr.onerror = function(event) {
- throw new Error("NetworkError for: " + packageName);
- }
- xhr.onload = function(event) {
- if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
- var packageData = xhr.response;
- callback(packageData);
- } else {
- throw new Error(xhr.statusText + " : " + xhr.responseURL);
- }
- };
- xhr.send(null);
- };
-
- function handleError(error) {
- console.error('package error:', error);
- };
-
- var fetchedCallback = null;
- var fetched = Module['getPreloadedPackage'] ? Module['getPreloadedPackage'](REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE) : null;
-
- if (!fetched) fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, function(data) {
- if (fetchedCallback) {
- fetchedCallback(data);
- fetchedCallback = null;
- } else {
- fetched = data;
- }
- }, handleError);
-
- function runWithFS() {
-
- function assert(check, msg) {
- if (!check) throw msg + new Error().stack;
- }
-Module['FS_createPath']("/", "assets", true, true);
-
- /** @constructor */
- function DataRequest(start, end, audio) {
- this.start = start;
- this.end = end;
- this.audio = audio;
- }
- DataRequest.prototype = {
- requests: {},
- open: function(mode, name) {
- this.name = name;
- this.requests[name] = this;
- Module['addRunDependency'](`fp ${this.name}`);
- },
- send: function() {},
- onload: function() {
- var byteArray = this.byteArray.subarray(this.start, this.end);
- this.finish(byteArray);
- },
- finish: function(byteArray) {
- var that = this;
- // canOwn this data in the filesystem, it is a slide into the heap that will never change
- Module['FS_createDataFile'](this.name, null, byteArray, true, true, true);
- Module['removeRunDependency'](`fp ${that.name}`);
- this.requests[this.name] = null;
- }
- };
-
- var files = metadata['files'];
- for (var i = 0; i < files.length; ++i) {
- new DataRequest(files[i]['start'], files[i]['end'], files[i]['audio'] || 0).open('GET', files[i]['filename']);
- }
-
- function processPackageData(arrayBuffer) {
- assert(arrayBuffer, 'Loading data file failed.');
- assert(arrayBuffer.constructor.name === ArrayBuffer.name, 'bad input to processPackageData');
- var byteArray = new Uint8Array(arrayBuffer);
- var curr;
- // Reuse the bytearray from the XHR as the source for file reads.
- DataRequest.prototype.byteArray = byteArray;
- var files = metadata['files'];
- for (var i = 0; i < files.length; ++i) {
- DataRequest.prototype.requests[files[i].filename].onload();
- } Module['removeRunDependency']('datafile_spin.test.data');
-
- };
- Module['addRunDependency']('datafile_spin.test.data');
-
- if (!Module.preloadResults) Module.preloadResults = {};
-
- Module.preloadResults[PACKAGE_NAME] = {fromCache: false};
- if (fetched) {
- processPackageData(fetched);
- fetched = null;
- } else {
- fetchedCallback = processPackageData;
- }
-
- }
- if (Module['calledRun']) {
- runWithFS();
- } else {
- if (!Module['preRun']) Module['preRun'] = [];
- Module["preRun"].push(runWithFS); // FS is not initialized yet, wait for it
- }
-
- }
- loadPackage({"files": [{"filename": "/assets/file.sf2", "start": 0, "end": 314640}], "remote_package_size": 314640});
-
- })();
-
-
- // All the pre-js content up to here must remain later on, we need to run
- // it.
- if (Module['ENVIRONMENT_IS_PTHREAD'] || Module['$ww']) Module['preRun'] = [];
- var necessaryPreJSTasks = Module['preRun'].slice();
- Module["consolef"] = function () {};
-//let Module = Module || {};
-mergeInto(LibraryManager.library, {
- emitHeader: function (pid, bid, offset) {
- Module.onHeader(pid, bid, Module.AsciiToString(offset));
- },
- emitSample: function (shdr, id, offset) {
- Module.onSample(shdr, id, Module.AsciiToString(offset));
- },
- emitZone: function (pid, ref) {
- Module.onZone(pid, ref, new Int16Array(Module.HEAPU8.buffer, ref, 60));
- },
- consolef: console.log,
- emitFilter: function (type, lo, hi) {},
-});
-
- if (!Module['preRun']) throw 'Module.preRun should exist because file support used it; did a pre-js delete it?';
- necessaryPreJSTasks.forEach(function(task) {
- if (Module['preRun'].indexOf(task) < 0) throw 'All preRun tasks that exist before user pre-js code should remain after; did you replace Module or modify Module.preRun?';
- });
-
-
-// Sometimes an existing Module object exists with properties
-// meant to overwrite the default module functionality. Here
-// we collect those properties and reapply _after_ we configure
-// the current environment's defaults to avoid having to be so
-// defensive during initialization.
-var moduleOverrides = Object.assign({}, Module);
-
-var arguments_ = [];
-var thisProgram = './this.program';
-var quit_ = (status, toThrow) => {
- throw toThrow;
-};
-
-// Determine the runtime environment we are in. You can customize this by
-// setting the ENVIRONMENT setting at compile time (see settings.js).
-
-// Attempt to auto-detect the environment
-var ENVIRONMENT_IS_WEB = typeof window == 'object';
-var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function';
-// N.b. Electron.js environment is simultaneously a NODE-environment, but
-// also a web environment.
-var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string';
-var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
-
-if (Module['ENVIRONMENT']) {
- throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)');
-}
-
-// `/` should be present at the end if `scriptDirectory` is not empty
-var scriptDirectory = '';
-function locateFile(path) {
- if (Module['locateFile']) {
- return Module['locateFile'](path, scriptDirectory);
- }
- return scriptDirectory + path;
-}
-
-// Hooks that are implemented differently in different runtime environments.
-var read_,
- readAsync,
- readBinary;
-
-if (ENVIRONMENT_IS_NODE) {
- if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
-
- var nodeVersion = process.versions.node;
- var numericVersion = nodeVersion.split('.').slice(0, 3);
- numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1);
- var minVersion = 160000;
- if (numericVersion < 160000) {
- throw new Error('This emscripten-generated code requires node v16.0.0 (detected v' + nodeVersion + ')');
- }
-
- // `require()` is no-op in an ESM module, use `createRequire()` to construct
- // the require()` function. This is only necessary for multi-environment
- // builds, `-sENVIRONMENT=node` emits a static import declaration instead.
- // TODO: Swap all `require()`'s with `import()`'s?
- // These modules will usually be used on Node.js. Load them eagerly to avoid
- // the complexity of lazy-loading.
- var fs = require('fs');
- var nodePath = require('path');
-
- if (ENVIRONMENT_IS_WORKER) {
- scriptDirectory = nodePath.dirname(scriptDirectory) + '/';
- } else {
- scriptDirectory = __dirname + '/';
- }
-
-// include: node_shell_read.js
-read_ = (filename, binary) => {
- // We need to re-wrap `file://` strings to URLs. Normalizing isn't
- // necessary in that case, the path should already be absolute.
- filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
- return fs.readFileSync(filename, binary ? undefined : 'utf8');
-};
-
-readBinary = (filename) => {
- var ret = read_(filename, true);
- if (!ret.buffer) {
- ret = new Uint8Array(ret);
- }
- assert(ret.buffer);
- return ret;
-};
-
-readAsync = (filename, onload, onerror, binary = true) => {
- // See the comment in the `read_` function.
- filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
- fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => {
- if (err) onerror(err);
- else onload(binary ? data.buffer : data);
- });
-};
-// end include: node_shell_read.js
- if (!Module['thisProgram'] && process.argv.length > 1) {
- thisProgram = process.argv[1].replace(/\\/g, '/');
- }
-
- arguments_ = process.argv.slice(2);
-
- if (typeof module != 'undefined') {
- module['exports'] = Module;
- }
-
- process.on('uncaughtException', (ex) => {
- // suppress ExitStatus exceptions from showing an error
- if (ex !== 'unwind' && !(ex instanceof ExitStatus) && !(ex.context instanceof ExitStatus)) {
- throw ex;
- }
- });
-
- quit_ = (status, toThrow) => {
- process.exitCode = status;
- throw toThrow;
- };
-
- Module['inspect'] = () => '[Emscripten Module object]';
-
-} else
-if (ENVIRONMENT_IS_SHELL) {
-
- if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
-
- if (typeof read != 'undefined') {
- read_ = read;
- }
-
- readBinary = (f) => {
- if (typeof readbuffer == 'function') {
- return new Uint8Array(readbuffer(f));
- }
- let data = read(f, 'binary');
- assert(typeof data == 'object');
- return data;
- };
-
- readAsync = (f, onload, onerror) => {
- setTimeout(() => onload(readBinary(f)));
- };
-
- if (typeof clearTimeout == 'undefined') {
- globalThis.clearTimeout = (id) => {};
- }
-
- if (typeof setTimeout == 'undefined') {
- // spidermonkey lacks setTimeout but we use it above in readAsync.
- globalThis.setTimeout = (f) => (typeof f == 'function') ? f() : abort();
- }
-
- if (typeof scriptArgs != 'undefined') {
- arguments_ = scriptArgs;
- } else if (typeof arguments != 'undefined') {
- arguments_ = arguments;
- }
-
- if (typeof quit == 'function') {
- quit_ = (status, toThrow) => {
- // Unlike node which has process.exitCode, d8 has no such mechanism. So we
- // have no way to set the exit code and then let the program exit with
- // that code when it naturally stops running (say, when all setTimeouts
- // have completed). For that reason, we must call `quit` - the only way to
- // set the exit code - but quit also halts immediately. To increase
- // consistency with node (and the web) we schedule the actual quit call
- // using a setTimeout to give the current stack and any exception handlers
- // a chance to run. This enables features such as addOnPostRun (which
- // expected to be able to run code after main returns).
- setTimeout(() => {
- if (!(toThrow instanceof ExitStatus)) {
- let toLog = toThrow;
- if (toThrow && typeof toThrow == 'object' && toThrow.stack) {
- toLog = [toThrow, toThrow.stack];
- }
- err(`exiting due to exception: ${toLog}`);
- }
- quit(status);
- });
- throw toThrow;
- };
- }
-
- if (typeof print != 'undefined') {
- // Prefer to use print/printErr where they exist, as they usually work better.
- if (typeof console == 'undefined') console = /** @type{!Console} */({});
- console.log = /** @type{!function(this:Console, ...*): undefined} */ (print);
- console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print);
- }
-
-} else
-
-// Note that this includes Node.js workers when relevant (pthreads is enabled).
-// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
-// ENVIRONMENT_IS_NODE.
-if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
- if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
- scriptDirectory = self.location.href;
- } else if (typeof document != 'undefined' && document.currentScript) { // web
- scriptDirectory = document.currentScript.src;
- }
- // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
- // otherwise, slice off the final part of the url to find the script directory.
- // if scriptDirectory does not contain a slash, lastIndexOf will return -1,
- // and scriptDirectory will correctly be replaced with an empty string.
- // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
- // they are removed because they could contain a slash.
- if (scriptDirectory.indexOf('blob:') !== 0) {
- scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1);
- } else {
- scriptDirectory = '';
- }
-
- if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
-
- // Differentiate the Web Worker from the Node Worker case, as reading must
- // be done differently.
- {
-// include: web_or_worker_shell_read.js
-read_ = (url) => {
- var xhr = new XMLHttpRequest();
- xhr.open('GET', url, false);
- xhr.send(null);
- return xhr.responseText;
- }
-
- if (ENVIRONMENT_IS_WORKER) {
- readBinary = (url) => {
- var xhr = new XMLHttpRequest();
- xhr.open('GET', url, false);
- xhr.responseType = 'arraybuffer';
- xhr.send(null);
- return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response));
- };
- }
-
- readAsync = (url, onload, onerror) => {
- var xhr = new XMLHttpRequest();
- xhr.open('GET', url, true);
- xhr.responseType = 'arraybuffer';
- xhr.onload = () => {
- if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
- onload(xhr.response);
- return;
- }
- onerror();
- };
- xhr.onerror = onerror;
- xhr.send(null);
- }
-
-// end include: web_or_worker_shell_read.js
- }
-} else
-{
- throw new Error('environment detection error');
-}
-
-var out = Module['print'] || console.log.bind(console);
-var err = Module['printErr'] || console.error.bind(console);
-
-// Merge back in the overrides
-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.
-moduleOverrides = null;
-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
-// minified.
-
-if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_');
-
-if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram');
-
-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 emscripten_set_window_title in JS)');
-assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY');
-legacyModuleProp('asm', 'wasmExports');
-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 FETCHFS = 'FETCHFS is no longer included by default; build with -lfetchfs.js';
-var ICASEFS = 'ICASEFS is no longer included by default; build with -licasefs.js';
-var JSFILEFS = 'JSFILEFS is no longer included by default; build with -ljsfilefs.js';
-var OPFS = 'OPFS is no longer included by default; build with -lopfs.js';
-
-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');
-
-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['HEAPU8'] = HEAPU8 = new Uint8Array(b);
- Module['HEAPU16'] = HEAPU16 = new Uint16Array(b);
- Module['HEAP32'] = HEAP32 = new Int32Array(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_stack_check.js
-// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
-function writeStackCookie() {
- var max = _emscripten_stack_get_end();
- assert((max & 3) == 0);
- // If the stack ends at address zero we write our cookies 4 bytes into the
- // stack. This prevents interference with SAFE_HEAP and ASAN which also
- // monitor writes to address zero.
- if (max == 0) {
- max += 4;
- }
- // The stack grow downwards towards _emscripten_stack_get_end.
- // We write cookies to the final two words in the stack and detect if they are
- // ever overwritten.
- HEAPU32[((max)>>2)] = 0x02135467;
- HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE;
- // Also test the global address 0 for integrity.
- HEAPU32[((0)>>2)] = 1668509029;
-}
-
-function checkStackCookie() {
- if (ABORT) return;
- var max = _emscripten_stack_get_end();
- // See writeStackCookie().
- if (max == 0) {
- max += 4;
- }
- var cookie1 = HEAPU32[((max)>>2)];
- var cookie2 = HEAPU32[(((max)+(4))>>2)];
- if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) {
- abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
- }
- // Also test the global address 0 for integrity.
- if (HEAPU32[((0)>>2)] != 0x63736d65 /* 'emsc' */) {
- abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
- }
-}
-// end include: runtime_stack_check.js
-// include: runtime_assertions.js
-// Endianness check
-(function() {
- var h16 = new Int16Array(1);
- var h8 = new Int8Array(h16.buffer);
- h16[0] = 0x6373;
- if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)';
-})();
-
-// end include: runtime_assertions.js
-var __ATPRERUN__ = []; // functions called before the runtime is initialized
-var __ATINIT__ = []; // functions called during startup
-var __ATMAIN__ = []; // functions called when main() is to be run
-var __ATEXIT__ = []; // functions called during shutdown
-var __ATPOSTRUN__ = []; // functions called after the main() is called
-
-var runtimeInitialized = false;
-
-function preRun() {
- if (Module['preRun']) {
- if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
- while (Module['preRun'].length) {
- addOnPreRun(Module['preRun'].shift());
- }
- }
- callRuntimeCallbacks(__ATPRERUN__);
-}
-
-function initRuntime() {
- assert(!runtimeInitialized);
- runtimeInitialized = true;
-
- checkStackCookie();
-
-
-if (!Module["noFSInit"] && !FS.init.initialized)
- FS.init();
-FS.ignorePermissions = false;
-
-TTY.init();
- callRuntimeCallbacks(__ATINIT__);
-}
-
-function preMain() {
- checkStackCookie();
-
- callRuntimeCallbacks(__ATMAIN__);
-}
-
-function postRun() {
- checkStackCookie();
-
- if (Module['postRun']) {
- if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
- while (Module['postRun'].length) {
- addOnPostRun(Module['postRun'].shift());
- }
- }
-
- callRuntimeCallbacks(__ATPOSTRUN__);
-}
-
-function addOnPreRun(cb) {
- __ATPRERUN__.unshift(cb);
-}
-
-function addOnInit(cb) {
- __ATINIT__.unshift(cb);
-}
-
-function addOnPreMain(cb) {
- __ATMAIN__.unshift(cb);
-}
-
-function addOnExit(cb) {
-}
-
-function addOnPostRun(cb) {
- __ATPOSTRUN__.unshift(cb);
-}
-
-// include: runtime_math.js
-// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul
-
-// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround
-
-// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32
-
-// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc
-
-assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
-assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
-assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
-assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
-// end include: runtime_math.js
-// A counter of dependencies for calling run(). If we need to
-// do asynchronous work before running, increment this and
-// decrement it. Incrementing must happen in a place like
-// Module.preRun (used by emcc to add file preloading).
-// Note that you can add dependencies in preRun, even though
-// it happens right before run - run will be postponed until
-// the dependencies are met.
-var runDependencies = 0;
-var runDependencyWatcher = null;
-var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
-var runDependencyTracking = {};
-
-function getUniqueRunDependency(id) {
- var orig = id;
- while (1) {
- if (!runDependencyTracking[id]) return id;
- id = orig + Math.random();
- }
-}
-
-function addRunDependency(id) {
- runDependencies++;
-
- 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);
-
- // Throw the error whether or not MODULARIZE is set because abort is used
- // in code paths apart from instantiation where an exception is expected
- // to be thrown when abort is called.
- throw e;
-}
-
-// include: memoryprofiler.js
-// end include: memoryprofiler.js
-// include: URIUtils.js
-// Prefix of data URIs emitted by SINGLE_FILE and related options.
-var dataURIPrefix = 'data:application/octet-stream;base64,';
-
-/**
- * Indicates whether filename is a base64 data URI.
- * @noinline
- */
-var isDataURI = (filename) => filename.startsWith(dataURIPrefix);
-
-/**
- * Indicates whether filename is delivered via file protocol (as opposed to http/https)
- * @noinline
- */
-var isFileURI = (filename) => filename.startsWith('file://');
-// end include: URIUtils.js
-function createExportWrapper(name) {
- return function() {
- assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`);
- var f = wasmExports[name];
- assert(f, `exported native function \`${name}\` not found`);
- return f.apply(null, arguments);
- };
-}
-
-// include: runtime_exceptions.js
-// end include: runtime_exceptions.js
-var wasmBinaryFile;
- wasmBinaryFile = 'spin.test.wasm';
- if (!isDataURI(wasmBinaryFile)) {
- wasmBinaryFile = locateFile(wasmBinaryFile);
- }
-
-function getBinarySync(file) {
- if (file == wasmBinaryFile && wasmBinary) {
- return new Uint8Array(wasmBinary);
- }
- if (readBinary) {
- return readBinary(file);
- }
- throw "both async and sync fetching of the wasm failed";
-}
-
-function getBinaryPromise(binaryFile) {
- // If we don't have the binary yet, try to load it asynchronously.
- // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
- // See https://github.com/github/fetch/pull/92#issuecomment-140665932
- // Cordova or Electron apps are typically loaded from a file:// url.
- // So use fetch if it is available and the url is not a file, otherwise fall back to XHR.
- if (!wasmBinary
- && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
- if (typeof fetch == 'function'
- && !isFileURI(binaryFile)
- ) {
- return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
- if (!response['ok']) {
- throw "failed to load wasm binary file at '" + binaryFile + "'";
- }
- return response['arrayBuffer']();
- }).catch(() => getBinarySync(binaryFile));
- }
- else if (readAsync) {
- // fetch is not available or url is file => try XHR (readAsync uses XHR internally)
- return new Promise((resolve, reject) => {
- readAsync(binaryFile, (response) => resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))), reject)
- });
- }
- }
-
- // Otherwise, getBinarySync should be able to get it synchronously
- return Promise.resolve().then(() => getBinarySync(binaryFile));
-}
-
-function instantiateArrayBuffer(binaryFile, imports, receiver) {
- return getBinaryPromise(binaryFile).then((binary) => {
- return WebAssembly.instantiate(binary, imports);
- }).then((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 rather than
- // an actual Response.
- // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed.
- /** @suppress {checkTypes} */
- var result = WebAssembly.instantiateStreaming(response, imports);
-
- return result.then(
- callback,
- function(reason) {
- // We expect the most common failure cause to be a bad MIME type for the binary,
- // in which case falling back to ArrayBuffer instantiation should work.
- err(`wasm streaming compile failed: ${reason}`);
- err('falling back to ArrayBuffer instantiation');
- return instantiateArrayBuffer(binaryFile, imports, callback);
- });
- });
- }
- return instantiateArrayBuffer(binaryFile, imports, callback);
-}
-
-// 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) {
- wasmExports = instance.exports;
-
-
-
- wasmMemory = wasmExports['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();
-
- addOnInit(wasmExports['__wasm_call_ctors']);
-
- removeRunDependency('wasm-instantiate');
- return wasmExports;
- }
- // wait for the pthread pool (if any)
- addRunDependency('wasm-instantiate');
-
- // Prefer streaming instantiation if available.
- // Async compilation can be confusing when an error on the page overwrites Module
- // (for example, if the order of elements is wrong, and the one defining Module is
- // later), so we save Module and check it later.
- var trueModule = Module;
- function receiveInstantiationResult(result) {
- // 'result' is a ResultObject object which has both the module and instance.
- // receiveInstance() will swap in the exports (to Module.asm) so they can be called
- assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?');
- trueModule = null;
- // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
- // When the regression is fixed, can restore the above PTHREADS-enabled path.
- receiveInstance(result['instance']);
- }
-
- // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
- // to manually instantiate the Wasm module themselves. This allows pages to
- // run the instantiation parallel to any other async startup actions they are
- // performing.
- // Also pthreads and wasm workers initialize the wasm instance through this
- // path.
- if (Module['instantiateWasm']) {
-
- try {
- return Module['instantiateWasm'](info, receiveInstance);
- } catch(e) {
- err(`Module.instantiateWasm callback failed with error: ${e}`);
- return false;
- }
- }
-
- instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult);
- return {}; // no exports yet; we'll fill them in later
-}
-
-// Globals used by JS i64 conversions (see makeSetValue)
-var tempDouble;
-var tempI64;
-
-// include: runtime_debug.js
-function legacyModuleProp(prop, newName, incomming=true) {
- if (!Object.getOwnPropertyDescriptor(Module, prop)) {
- Object.defineProperty(Module, prop, {
- configurable: true,
- get() {
- let extra = incomming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : '';
- abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra);
-
- }
- });
- }
-}
-
-function ignoredModuleProp(prop) {
- if (Object.getOwnPropertyDescriptor(Module, prop)) {
- abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`);
- }
-}
-
-// forcing the filesystem exports a few things by default
-function isExportedByForceFilesystem(name) {
- return name === 'FS_createPath' ||
- name === 'FS_createDataFile' ||
- name === 'FS_createPreloadedFile' ||
- name === 'FS_unlink' ||
- name === 'addRunDependency' ||
- // The old FS has some functionality that WasmFS lacks.
- name === 'FS_createLazyFile' ||
- name === 'FS_createDevice' ||
- name === 'removeRunDependency';
-}
-
-function missingGlobal(sym, msg) {
- if (typeof globalThis !== 'undefined') {
- Object.defineProperty(globalThis, sym, {
- configurable: true,
- get() {
- warnOnce('`' + sym + '` is not longer defined by emscripten. ' + msg);
- return undefined;
- }
- });
- }
-}
-
-missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer');
-missingGlobal('asm', 'Please use wasmExports instead');
-
-function missingLibrarySymbol(sym) {
- if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
- Object.defineProperty(globalThis, sym, {
- configurable: true,
- get() {
- // Can't `abort()` here because it would break code that does runtime
- // checks. e.g. `if (typeof SDL === 'undefined')`.
- var msg = '`' + sym + '` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line';
- // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in
- // library.js, which means $name for a JS name with no prefix, or name
- // for a JS name like _name.
- var librarySymbol = sym;
- if (!librarySymbol.startsWith('_')) {
- librarySymbol = '$' + sym;
- }
- msg += " (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='" + librarySymbol + "')";
- if (isExportedByForceFilesystem(sym)) {
- msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
- }
- warnOnce(msg);
- return undefined;
- }
- });
- }
- // Any symbol that is not included from the JS 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() {
- var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)";
- if (isExportedByForceFilesystem(sym)) {
- msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
- }
- abort(msg);
- }
- });
- }
-}
-
-// Used by XXXXX_DEBUG settings to output debug messages.
-function dbg(text) {
- // TODO(sbc): Make this configurable somehow. Its not always convenient for
- // logging to show up as warnings.
- console.warn.apply(console, arguments);
-}
-// end include: runtime_debug.js
-// === Body ===
-
-// end include: preamble.js
-
- /** @constructor */
- function ExitStatus(status) {
- this.name = 'ExitStatus';
- this.message = `Program terminated with exit(${status})`;
- this.status = status;
- }
-
- var callRuntimeCallbacks = (callbacks) => {
- while (callbacks.length > 0) {
- // Pass the module as the first argument.
- callbacks.shift()(Module);
- }
- };
-
-
- /**
- * @param {number} ptr
- * @param {string} type
- */
- function getValue(ptr, type = 'i8') {
- if (type.endsWith('*')) type = '*';
- switch (type) {
- case 'i1': return HEAP8[((ptr)>>0)];
- case 'i8': return HEAP8[((ptr)>>0)];
- case 'i16': return HEAP16[((ptr)>>1)];
- case 'i32': return HEAP32[((ptr)>>2)];
- case 'i64': abort('to do getValue(i64) use WASM_BIGINT');
- case 'float': return HEAPF32[((ptr)>>2)];
- case 'double': return HEAPF64[((ptr)>>3)];
- case '*': return HEAPU32[((ptr)>>2)];
- default: abort(`invalid type for getValue: ${type}`);
- }
- }
-
- var noExitRuntime = Module['noExitRuntime'] || true;
-
- var ptrToString = (ptr) => {
- assert(typeof ptr === 'number');
- // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
- ptr >>>= 0;
- return '0x' + ptr.toString(16).padStart(8, '0');
- };
-
-
- /**
- * @param {number} ptr
- * @param {number} value
- * @param {string} type
- */
- function setValue(ptr, value, type = 'i8') {
- if (type.endsWith('*')) type = '*';
- switch (type) {
- case 'i1': HEAP8[((ptr)>>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': abort('to do setValue(i64) use WASM_BIGINT');
- case 'float': HEAPF32[((ptr)>>2)] = value; break;
- case 'double': HEAPF64[((ptr)>>3)] = value; break;
- case '*': HEAPU32[((ptr)>>2)] = value; break;
- default: abort(`invalid type for setValue: ${type}`);
- }
- }
-
- var warnOnce = (text) => {
- if (!warnOnce.shown) warnOnce.shown = {};
- if (!warnOnce.shown[text]) {
- warnOnce.shown[text] = 1;
- if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
- err(text);
- }
- };
-
- var setErrNo = (value) => {
- HEAP32[((___errno_location())>>2)] = value;
- return value;
- };
-
- var PATH = {
- isAbs:(path) => path.charAt(0) === '/',
- splitPath:(filename) => {
- var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
- return splitPathRe.exec(filename).slice(1);
- },
- normalizeArray:(parts, allowAboveRoot) => {
- // if the path tries to go above the root, `up` ends up > 0
- var up = 0;
- for (var i = parts.length - 1; i >= 0; i--) {
- var last = parts[i];
- if (last === '.') {
- parts.splice(i, 1);
- } else if (last === '..') {
- parts.splice(i, 1);
- up++;
- } else if (up) {
- parts.splice(i, 1);
- up--;
- }
- }
- // if the path is allowed to go above the root, restore leading ..s
- if (allowAboveRoot) {
- for (; up; up--) {
- parts.unshift('..');
- }
- }
- return parts;
- },
- normalize:(path) => {
- var isAbsolute = PATH.isAbs(path),
- trailingSlash = path.substr(-1) === '/';
- // Normalize the path
- path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/');
- if (!path && !isAbsolute) {
- path = '.';
- }
- if (path && trailingSlash) {
- path += '/';
- }
- return (isAbsolute ? '/' : '') + path;
- },
- dirname:(path) => {
- var result = PATH.splitPath(path),
- root = result[0],
- dir = result[1];
- if (!root && !dir) {
- // No dirname whatsoever
- return '.';
- }
- if (dir) {
- // It has a dirname, strip trailing slash
- dir = dir.substr(0, dir.length - 1);
- }
- return root + dir;
- },
- basename:(path) => {
- // EMSCRIPTEN return '/'' for '/', not an empty string
- if (path === '/') return '/';
- path = PATH.normalize(path);
- path = path.replace(/\/$/, "");
- var lastSlash = path.lastIndexOf('/');
- if (lastSlash === -1) return path;
- return path.substr(lastSlash+1);
- },
- join:function() {
- var paths = Array.prototype.slice.call(arguments);
- return PATH.normalize(paths.join('/'));
- },
- join2:(l, r) => {
- return PATH.normalize(l + '/' + r);
- },
- };
-
- var initRandomFill = () => {
- if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') {
- // for modern web browsers
- return (view) => crypto.getRandomValues(view);
- } else
- if (ENVIRONMENT_IS_NODE) {
- // for nodejs with or without crypto support included
- try {
- var crypto_module = require('crypto');
- var randomFillSync = crypto_module['randomFillSync'];
- if (randomFillSync) {
- // nodejs with LTS crypto support
- return (view) => crypto_module['randomFillSync'](view);
- }
- // very old nodejs with the original crypto API
- var randomBytes = crypto_module['randomBytes'];
- return (view) => (
- view.set(randomBytes(view.byteLength)),
- // Return the original view to match modern native implementations.
- view
- );
- } catch (e) {
- // nodejs doesn't have crypto support
- }
- }
- // we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096
- abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: (array) => { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };");
- };
- var randomFill = (view) => {
- // Lazily init on the first invocation.
- return (randomFill = initRandomFill())(view);
- };
-
-
-
- var PATH_FS = {
- resolve: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('/');
- },
- };
-
-
- var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined;
-
- /**
- * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
- * array that contains uint8 values, returns a copy of that string as a
- * Javascript String object.
- * heapOrArray is either a regular array, or a JavaScript typed array view.
- * @param {number} idx
- * @param {number=} maxBytesToRead
- * @return {string}
- */
- var UTF8ArrayToString = (heapOrArray, idx, maxBytesToRead) => {
- var endIdx = idx + maxBytesToRead;
- var endPtr = idx;
- // TextDecoder needs to know the byte length in advance, it doesn't stop on
- // null terminator by itself. Also, use the length info to avoid running tiny
- // strings through TextDecoder, since .subarray() allocates garbage.
- // (As a tiny code save trick, compare endPtr against endIdx using a negation,
- // so that undefined means Infinity)
- while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
-
- if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
- return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr));
- }
- var str = '';
- // If building with TextDecoder, we have already computed the string length
- // above, so test loop end condition against that
- while (idx < endPtr) {
- // For UTF8 byte structure, see:
- // http://en.wikipedia.org/wiki/UTF-8#Description
- // https://www.ietf.org/rfc/rfc2279.txt
- // https://tools.ietf.org/html/rfc3629
- var u0 = heapOrArray[idx++];
- if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
- var u1 = heapOrArray[idx++] & 63;
- if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
- var u2 = heapOrArray[idx++] & 63;
- if ((u0 & 0xF0) == 0xE0) {
- u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
- } else {
- if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte ' + ptrToString(u0) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!');
- u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63);
- }
-
- if (u0 < 0x10000) {
- str += String.fromCharCode(u0);
- } else {
- var ch = u0 - 0x10000;
- str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
- }
- }
- return str;
- };
-
- var FS_stdin_getChar_buffer = [];
-
- var lengthBytesUTF8 = (str) => {
- var len = 0;
- for (var i = 0; i < str.length; ++i) {
- // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
- // unit, not a Unicode code point of the character! So decode
- // UTF16->UTF32->UTF8.
- // See http://unicode.org/faq/utf_bom.html#utf16-3
- var c = str.charCodeAt(i); // possibly a lead surrogate
- if (c <= 0x7F) {
- len++;
- } else if (c <= 0x7FF) {
- len += 2;
- } else if (c >= 0xD800 && c <= 0xDFFF) {
- len += 4; ++i;
- } else {
- len += 3;
- }
- }
- return len;
- };
-
- var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
- assert(typeof str === 'string');
- // Parameter maxBytesToWrite is not optional. Negative values, 0, null,
- // undefined and false each don't write out any bytes.
- if (!(maxBytesToWrite > 0))
- return 0;
-
- var startIdx = outIdx;
- var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator.
- for (var i = 0; i < str.length; ++i) {
- // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
- // unit, not a Unicode code point of the character! So decode
- // UTF16->UTF32->UTF8.
- // See http://unicode.org/faq/utf_bom.html#utf16-3
- // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
- // and https://www.ietf.org/rfc/rfc2279.txt
- // and https://tools.ietf.org/html/rfc3629
- var u = str.charCodeAt(i); // possibly a lead surrogate
- if (u >= 0xD800 && u <= 0xDFFF) {
- var u1 = str.charCodeAt(++i);
- u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF);
- }
- if (u <= 0x7F) {
- if (outIdx >= endIdx) break;
- heap[outIdx++] = u;
- } else if (u <= 0x7FF) {
- if (outIdx + 1 >= endIdx) break;
- heap[outIdx++] = 0xC0 | (u >> 6);
- heap[outIdx++] = 0x80 | (u & 63);
- } else if (u <= 0xFFFF) {
- if (outIdx + 2 >= endIdx) break;
- heap[outIdx++] = 0xE0 | (u >> 12);
- heap[outIdx++] = 0x80 | ((u >> 6) & 63);
- heap[outIdx++] = 0x80 | (u & 63);
- } else {
- if (outIdx + 3 >= endIdx) break;
- if (u > 0x10FFFF) warnOnce('Invalid Unicode code point ' + ptrToString(u) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).');
- heap[outIdx++] = 0xF0 | (u >> 18);
- heap[outIdx++] = 0x80 | ((u >> 12) & 63);
- heap[outIdx++] = 0x80 | ((u >> 6) & 63);
- heap[outIdx++] = 0x80 | (u & 63);
- }
- }
- // Null-terminate the pointer to the buffer.
- heap[outIdx] = 0;
- return outIdx - startIdx;
- };
- /** @type {function(string, boolean=, number=)} */
- function intArrayFromString(stringy, dontAddNull, length) {
- var len = length > 0 ? length : lengthBytesUTF8(stringy)+1;
- var u8array = new Array(len);
- var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
- if (dontAddNull) u8array.length = numBytesWritten;
- return u8array;
- }
- var FS_stdin_getChar = () => {
- if (!FS_stdin_getChar_buffer.length) {
- var result = null;
- if (ENVIRONMENT_IS_NODE) {
- // we will read data by chunks of BUFSIZE
- var BUFSIZE = 256;
- var buf = Buffer.alloc(BUFSIZE);
- var bytesRead = 0;
-
- // For some reason we must suppress a closure warning here, even though
- // fd definitely exists on process.stdin, and is even the proper way to
- // get the fd of stdin,
- // https://github.com/nodejs/help/issues/2136#issuecomment-523649904
- // This started to happen after moving this logic out of library_tty.js,
- // so it is related to the surrounding code in some unclear manner.
- /** @suppress {missingProperties} */
- var fd = process.stdin.fd;
-
- try {
- bytesRead = fs.readSync(fd, buf);
- } catch(e) {
- // Cross-platform differences: on Windows, reading EOF throws an exception, but on other OSes,
- // reading EOF returns 0. Uniformize behavior by treating the EOF exception to return 0.
- if (e.toString().includes('EOF')) bytesRead = 0;
- else throw e;
- }
-
- if (bytesRead > 0) {
- result = buf.slice(0, bytesRead).toString('utf-8');
- } else {
- result = null;
- }
- } else
- if (typeof window != 'undefined' &&
- typeof window.prompt == 'function') {
- // Browser.
- result = window.prompt('Input: '); // returns null on cancel
- if (result !== null) {
- result += '\n';
- }
- } else if (typeof readline == 'function') {
- // Command line.
- result = readline();
- if (result !== null) {
- result += '\n';
- }
- }
- if (!result) {
- return null;
- }
- FS_stdin_getChar_buffer = intArrayFromString(result, true);
- }
- return FS_stdin_getChar_buffer.shift();
- };
- var TTY = {
- ttys:[],
- init() {
- // https://github.com/emscripten-core/emscripten/pull/1555
- // if (ENVIRONMENT_IS_NODE) {
- // // currently, FS.init does not distinguish if process.stdin is a file or TTY
- // // device, it always assumes it's a TTY device. because of this, we're forcing
- // // process.stdin to UTF8 encoding to at least make stdin reading compatible
- // // with text files until FS.init can be refactored.
- // process.stdin.setEncoding('utf8');
- // }
- },
- shutdown() {
- // https://github.com/emscripten-core/emscripten/pull/1555
- // if (ENVIRONMENT_IS_NODE) {
- // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
- // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
- // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
- // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
- // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
- // process.stdin.pause();
- // }
- },
- register(dev, ops) {
- TTY.ttys[dev] = { input: [], output: [], ops: ops };
- FS.registerDevice(dev, TTY.stream_ops);
- },
- stream_ops:{
- open(stream) {
- var tty = TTY.ttys[stream.node.rdev];
- if (!tty) {
- throw new FS.ErrnoError(43);
- }
- stream.tty = tty;
- stream.seekable = false;
- },
- close(stream) {
- // flush any pending line data
- stream.tty.ops.fsync(stream.tty);
- },
- fsync(stream) {
- stream.tty.ops.fsync(stream.tty);
- },
- read(stream, buffer, offset, length, pos /* ignored */) {
- if (!stream.tty || !stream.tty.ops.get_char) {
- throw new FS.ErrnoError(60);
- }
- var bytesRead = 0;
- for (var i = 0; i < length; i++) {
- var result;
- try {
- result = stream.tty.ops.get_char(stream.tty);
- } catch (e) {
- throw new FS.ErrnoError(29);
- }
- if (result === undefined && bytesRead === 0) {
- throw new FS.ErrnoError(6);
- }
- if (result === null || result === undefined) break;
- bytesRead++;
- buffer[offset+i] = result;
- }
- if (bytesRead) {
- stream.node.timestamp = Date.now();
- }
- return bytesRead;
- },
- write(stream, buffer, offset, length, pos) {
- if (!stream.tty || !stream.tty.ops.put_char) {
- throw new FS.ErrnoError(60);
- }
- try {
- for (var i = 0; i < length; i++) {
- stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
- }
- } catch (e) {
- throw new FS.ErrnoError(29);
- }
- if (length) {
- stream.node.timestamp = Date.now();
- }
- return i;
- },
- },
- default_tty_ops:{
- get_char(tty) {
- return FS_stdin_getChar();
- },
- put_char(tty, val) {
- if (val === null || val === 10) {
- out(UTF8ArrayToString(tty.output, 0));
- tty.output = [];
- } else {
- if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle.
- }
- },
- fsync(tty) {
- if (tty.output && tty.output.length > 0) {
- out(UTF8ArrayToString(tty.output, 0));
- tty.output = [];
- }
- },
- ioctl_tcgets(tty) {
- // typical setting
- return {
- c_iflag: 25856,
- c_oflag: 5,
- c_cflag: 191,
- c_lflag: 35387,
- c_cc: [
- 0x03, 0x1c, 0x7f, 0x15, 0x04, 0x00, 0x01, 0x00, 0x11, 0x13, 0x1a, 0x00,
- 0x12, 0x0f, 0x17, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- ]
- };
- },
- ioctl_tcsets(tty, optional_actions, data) {
- // currently just ignore
- return 0;
- },
- ioctl_tiocgwinsz(tty) {
- return [24, 80];
- },
- },
- default_tty1_ops:{
- put_char(tty, val) {
- if (val === null || val === 10) {
- err(UTF8ArrayToString(tty.output, 0));
- tty.output = [];
- } else {
- if (val != 0) tty.output.push(val);
- }
- },
- fsync(tty) {
- if (tty.output && tty.output.length > 0) {
- err(UTF8ArrayToString(tty.output, 0));
- tty.output = [];
- }
- },
- },
- };
-
-
- var zeroMemory = (address, size) => {
- HEAPU8.fill(0, address, address + size);
- return address;
- };
-
- var alignMemory = (size, alignment) => {
- assert(alignment, "alignment argument is required");
- return Math.ceil(size / alignment) * alignment;
- };
- var mmapAlloc = (size) => {
- abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported');
- };
- var MEMFS = {
- ops_table:null,
- mount(mount) {
- return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
- },
- createNode(parent, name, mode, dev) {
- if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
- // no supported
- throw new FS.ErrnoError(63);
- }
- 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(node) {
- if (!node.contents) return new Uint8Array(0);
- if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes.
- return new Uint8Array(node.contents);
- },
- expandFileStorage(node, newCapacity) {
- var prevCapacity = node.contents ? node.contents.length : 0;
- if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough.
- // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
- // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
- // avoid overshooting the allocation cap by a very large margin.
- var CAPACITY_DOUBLING_MAX = 1024 * 1024;
- newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0);
- if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding.
- var oldContents = node.contents;
- node.contents = new Uint8Array(newCapacity); // Allocate new storage.
- if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage.
- },
- resizeFileStorage(node, newSize) {
- if (node.usedBytes == newSize) return;
- if (newSize == 0) {
- node.contents = null; // Fully decommit when requesting a resize to zero.
- node.usedBytes = 0;
- } else {
- var oldContents = node.contents;
- node.contents = new Uint8Array(newSize); // Allocate new storage.
- if (oldContents) {
- node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage.
- }
- node.usedBytes = newSize;
- }
- },
- node_ops:{
- getattr(node) {
- var attr = {};
- // device numbers reuse inode numbers.
- attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
- attr.ino = node.id;
- attr.mode = node.mode;
- attr.nlink = 1;
- attr.uid = 0;
- attr.gid = 0;
- attr.rdev = node.rdev;
- if (FS.isDir(node.mode)) {
- attr.size = 4096;
- } else if (FS.isFile(node.mode)) {
- attr.size = node.usedBytes;
- } else if (FS.isLink(node.mode)) {
- attr.size = node.link.length;
- } else {
- attr.size = 0;
- }
- attr.atime = new Date(node.timestamp);
- attr.mtime = new Date(node.timestamp);
- attr.ctime = new Date(node.timestamp);
- // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
- // but this is not required by the standard.
- attr.blksize = 4096;
- attr.blocks = Math.ceil(attr.size / attr.blksize);
- return attr;
- },
- setattr(node, attr) {
- if (attr.mode !== undefined) {
- node.mode = attr.mode;
- }
- if (attr.timestamp !== undefined) {
- node.timestamp = attr.timestamp;
- }
- if (attr.size !== undefined) {
- MEMFS.resizeFileStorage(node, attr.size);
- }
- },
- lookup(parent, name) {
- throw FS.genericErrors[44];
- },
- mknod(parent, name, mode, dev) {
- return MEMFS.createNode(parent, name, mode, dev);
- },
- rename(old_node, new_dir, new_name) {
- // if we're overwriting a directory at new_name, make sure it's empty.
- if (FS.isDir(old_node.mode)) {
- var new_node;
- try {
- new_node = FS.lookupNode(new_dir, new_name);
- } catch (e) {
- }
- if (new_node) {
- for (var i in new_node.contents) {
- throw new FS.ErrnoError(55);
- }
- }
- }
- // do the internal rewiring
- delete old_node.parent.contents[old_node.name];
- old_node.parent.timestamp = Date.now()
- old_node.name = new_name;
- new_dir.contents[new_name] = old_node;
- new_dir.timestamp = old_node.parent.timestamp;
- old_node.parent = new_dir;
- },
- unlink(parent, name) {
- delete parent.contents[name];
- parent.timestamp = Date.now();
- },
- rmdir(parent, name) {
- var node = FS.lookupNode(parent, name);
- for (var i in node.contents) {
- throw new FS.ErrnoError(55);
- }
- delete parent.contents[name];
- parent.timestamp = Date.now();
- },
- readdir(node) {
- var entries = ['.', '..'];
- for (var key in node.contents) {
- if (!node.contents.hasOwnProperty(key)) {
- continue;
- }
- entries.push(key);
- }
- return entries;
- },
- symlink(parent, newname, oldpath) {
- var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0);
- node.link = oldpath;
- return node;
- },
- readlink(node) {
- if (!FS.isLink(node.mode)) {
- throw new FS.ErrnoError(28);
- }
- return node.link;
- },
- },
- stream_ops:{
- read(stream, buffer, offset, length, position) {
- var contents = stream.node.contents;
- if (position >= stream.node.usedBytes) return 0;
- var size = Math.min(stream.node.usedBytes - position, length);
- assert(size >= 0);
- if (size > 8 && contents.subarray) { // non-trivial, and typed array
- buffer.set(contents.subarray(position, position + size), offset);
- } else {
- for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
- }
- return size;
- },
- write(stream, buffer, offset, length, position, canOwn) {
- // The data buffer should be a typed array view
- assert(!(buffer instanceof ArrayBuffer));
- // If the buffer is located in main memory (HEAP), and if
- // memory can grow, we can't hold on to references of the
- // memory buffer, as they may get invalidated. That means we
- // need to do copy its contents.
- if (buffer.buffer === HEAP8.buffer) {
- canOwn = false;
- }
-
- if (!length) return 0;
- var node = stream.node;
- node.timestamp = Date.now();
-
- if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array?
- if (canOwn) {
- assert(position === 0, 'canOwn must imply no weird position inside the file');
- node.contents = buffer.subarray(offset, offset + length);
- node.usedBytes = length;
- return length;
- } else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
- node.contents = buffer.slice(offset, offset + length);
- node.usedBytes = length;
- return length;
- } else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file?
- node.contents.set(buffer.subarray(offset, offset + length), position);
- return length;
- }
- }
-
- // Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
- MEMFS.expandFileStorage(node, position+length);
- if (node.contents.subarray && buffer.subarray) {
- // Use typed array write which is available.
- node.contents.set(buffer.subarray(offset, offset + length), position);
- } else {
- for (var i = 0; i < length; i++) {
- node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not.
- }
- }
- node.usedBytes = Math.max(node.usedBytes, position + length);
- return length;
- },
- llseek(stream, offset, whence) {
- var position = offset;
- if (whence === 1) {
- position += stream.position;
- } else if (whence === 2) {
- if (FS.isFile(stream.node.mode)) {
- position += stream.node.usedBytes;
- }
- }
- if (position < 0) {
- throw new FS.ErrnoError(28);
- }
- return position;
- },
- allocate(stream, offset, length) {
- MEMFS.expandFileStorage(stream.node, offset + length);
- stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
- },
- mmap(stream, length, position, prot, flags) {
- if (!FS.isFile(stream.node.mode)) {
- throw new FS.ErrnoError(43);
- }
- var ptr;
- var allocated;
- var contents = stream.node.contents;
- // Only make a new copy when MAP_PRIVATE is specified.
- if (!(flags & 2) && contents.buffer === HEAP8.buffer) {
- // We can't emulate MAP_SHARED when the file is not backed by the
- // buffer we're mapping to (e.g. the HEAP buffer).
- allocated = false;
- ptr = contents.byteOffset;
- } else {
- // Try to avoid unnecessary slices.
- if (position > 0 || position + length < contents.length) {
- if (contents.subarray) {
- contents = contents.subarray(position, position + length);
- } else {
- contents = Array.prototype.slice.call(contents, position, position + length);
- }
- }
- allocated = true;
- ptr = mmapAlloc(length);
- if (!ptr) {
- throw new FS.ErrnoError(48);
- }
- HEAP8.set(contents, ptr);
- }
- return { ptr, allocated };
- },
- msync(stream, buffer, offset, length, mmapFlags) {
- MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
- // should we check if bytesWritten and length are the same?
- return 0;
- },
- },
- };
-
- /** @param {boolean=} noRunDep */
- var asyncLoad = (url, onload, onerror, noRunDep) => {
- var dep = !noRunDep ? getUniqueRunDependency(`al ${url}`) : '';
- readAsync(url, (arrayBuffer) => {
- assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
- onload(new Uint8Array(arrayBuffer));
- if (dep) removeRunDependency(dep);
- }, (event) => {
- if (onerror) {
- onerror();
- } else {
- throw `Loading data file "${url}" failed.`;
- }
- });
- if (dep) addRunDependency(dep);
- };
-
-
- var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
- return FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn);
- };
-
- var preloadPlugins = Module['preloadPlugins'] || [];
- var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
- // Ensure plugins are ready.
- if (typeof Browser != 'undefined') Browser.init();
-
- var handled = false;
- preloadPlugins.forEach((plugin) => {
- if (handled) return;
- if (plugin['canHandle'](fullname)) {
- plugin['handle'](byteArray, fullname, finish, onerror);
- handled = true;
- }
- });
- return handled;
- };
- var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
- // TODO we should allow people to just pass in a complete filename instead
- // of parent and name being that we just join them anyways
- var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
- var dep = getUniqueRunDependency(`cp ${fullname}`); // might have several active requests for the same fullname
- function processData(byteArray) {
- function finish(byteArray) {
- 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);
- }
- };
-
- var FS_modeStringToFlags = (str) => {
- var flagModes = {
- 'r': 0,
- 'r+': 2,
- 'w': 512 | 64 | 1,
- 'w+': 512 | 64 | 2,
- 'a': 1024 | 64 | 1,
- 'a+': 1024 | 64 | 2,
- };
- var flags = flagModes[str];
- if (typeof flags == 'undefined') {
- throw new Error(`Unknown file open mode: ${str}`);
- }
- return flags;
- };
-
- var FS_getMode = (canRead, canWrite) => {
- var mode = 0;
- if (canRead) mode |= 292 | 73;
- if (canWrite) mode |= 146;
- return mode;
- };
-
-
-
-
- var ERRNO_MESSAGES = {
- 0:"Success",
- 1:"Arg list too long",
- 2:"Permission denied",
- 3:"Address already in use",
- 4:"Address not available",
- 5:"Address family not supported by protocol family",
- 6:"No more processes",
- 7:"Socket already connected",
- 8:"Bad file number",
- 9:"Trying to read unreadable message",
- 10:"Mount device busy",
- 11:"Operation canceled",
- 12:"No children",
- 13:"Connection aborted",
- 14:"Connection refused",
- 15:"Connection reset by peer",
- 16:"File locking deadlock error",
- 17:"Destination address required",
- 18:"Math arg out of domain of func",
- 19:"Quota exceeded",
- 20:"File exists",
- 21:"Bad address",
- 22:"File too large",
- 23:"Host is unreachable",
- 24:"Identifier removed",
- 25:"Illegal byte sequence",
- 26:"Connection already in progress",
- 27:"Interrupted system call",
- 28:"Invalid argument",
- 29:"I/O error",
- 30:"Socket is already connected",
- 31:"Is a directory",
- 32:"Too many symbolic links",
- 33:"Too many open files",
- 34:"Too many links",
- 35:"Message too long",
- 36:"Multihop attempted",
- 37:"File or path name too long",
- 38:"Network interface is not configured",
- 39:"Connection reset by network",
- 40:"Network is unreachable",
- 41:"Too many open files in system",
- 42:"No buffer space available",
- 43:"No such device",
- 44:"No such file or directory",
- 45:"Exec format error",
- 46:"No record locks available",
- 47:"The link has been severed",
- 48:"Not enough core",
- 49:"No message of desired type",
- 50:"Protocol not available",
- 51:"No space left on device",
- 52:"Function not implemented",
- 53:"Socket is not connected",
- 54:"Not a directory",
- 55:"Directory not empty",
- 56:"State not recoverable",
- 57:"Socket operation on non-socket",
- 59:"Not a typewriter",
- 60:"No such device or address",
- 61:"Value too large for defined data type",
- 62:"Previous owner died",
- 63:"Not super-user",
- 64:"Broken pipe",
- 65:"Protocol error",
- 66:"Unknown protocol",
- 67:"Protocol wrong type for socket",
- 68:"Math result not representable",
- 69:"Read only file system",
- 70:"Illegal seek",
- 71:"No such process",
- 72:"Stale file handle",
- 73:"Connection timed out",
- 74:"Text file busy",
- 75:"Cross-device link",
- 100:"Device not a stream",
- 101:"Bad font file fmt",
- 102:"Invalid slot",
- 103:"Invalid request code",
- 104:"No anode",
- 105:"Block device required",
- 106:"Channel number out of range",
- 107:"Level 3 halted",
- 108:"Level 3 reset",
- 109:"Link number out of range",
- 110:"Protocol driver not attached",
- 111:"No CSI structure available",
- 112:"Level 2 halted",
- 113:"Invalid exchange",
- 114:"Invalid request descriptor",
- 115:"Exchange full",
- 116:"No data (for no delay io)",
- 117:"Timer expired",
- 118:"Out of streams resources",
- 119:"Machine is not on the network",
- 120:"Package not installed",
- 121:"The object is remote",
- 122:"Advertise error",
- 123:"Srmount error",
- 124:"Communication error on send",
- 125:"Cross mount point (not really error)",
- 126:"Given log. name not unique",
- 127:"f.d. invalid for this operation",
- 128:"Remote address changed",
- 129:"Can access a needed shared lib",
- 130:"Accessing a corrupted shared lib",
- 131:".lib section in a.out corrupted",
- 132:"Attempting to link in too many libs",
- 133:"Attempting to exec a shared library",
- 135:"Streams pipe error",
- 136:"Too many users",
- 137:"Socket type not supported",
- 138:"Not supported",
- 139:"Protocol family not supported",
- 140:"Can't send after socket shutdown",
- 141:"Too many references",
- 142:"Host is down",
- 148:"No medium (in tape drive)",
- 156:"Level 2 not synchronized",
- };
-
- var ERRNO_CODES = {
- };
-
- var demangle = (func) => {
- warnOnce('warning: build with -sDEMANGLE_SUPPORT to link in libcxxabi demangling');
- return func;
- };
- var 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() {
- for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
- if (!FS.streams[fd]) {
- return fd;
- }
- }
- throw new FS.ErrnoError(33);
- },
- getStreamChecked(fd) {
- var stream = FS.getStream(fd);
- if (!stream) {
- throw new FS.ErrnoError(8);
- }
- return stream;
- },
- getStream:(fd) => FS.streams[fd],
- createStream(stream, fd = -1) {
- if (!FS.FSStream) {
- FS.FSStream = /** @constructor */ function() {
- this.shared = { };
- };
- FS.FSStream.prototype = {};
- Object.defineProperties(FS.FSStream.prototype, {
- object: {
- /** @this {FS.FSStream} */
- get() { return this.node; },
- /** @this {FS.FSStream} */
- set(val) { this.node = val; }
- },
- isRead: {
- /** @this {FS.FSStream} */
- get() { return (this.flags & 2097155) !== 1; }
- },
- isWrite: {
- /** @this {FS.FSStream} */
- get() { return (this.flags & 2097155) !== 0; }
- },
- isAppend: {
- /** @this {FS.FSStream} */
- get() { return (this.flags & 1024); }
- },
- flags: {
- /** @this {FS.FSStream} */
- get() { return this.shared.flags; },
- /** @this {FS.FSStream} */
- set(val) { this.shared.flags = val; },
- },
- position : {
- /** @this {FS.FSStream} */
- get() { return this.shared.position; },
- /** @this {FS.FSStream} */
- set(val) { this.shared.position = val; },
- },
- });
- }
- // clone it, so we can return an instance of FSStream
- stream = Object.assign(new FS.FSStream(), stream);
- if (fd == -1) {
- fd = FS.nextfd();
- }
- stream.fd = fd;
- FS.streams[fd] = stream;
- return stream;
- },
- closeStream(fd) {
- FS.streams[fd] = null;
- },
- 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,
- opts,
- mountpoint,
- mounts: []
- };
-
- // create a root node for the fs
- var mountRoot = type.mount(mount);
- mountRoot.mount = mount;
- mount.root = mountRoot;
-
- if (root) {
- FS.root = mountRoot;
- } else if (node) {
- // set as a mountpoint
- node.mounted = mount;
-
- // add the new mount to the current mount's children
- if (node.mount) {
- node.mount.mounts.push(mount);
- }
- }
-
- return mountRoot;
- },
- unmount(mountpoint) {
- var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
-
- if (!FS.isMountpoint(lookup.node)) {
- throw new FS.ErrnoError(28);
- }
-
- // destroy the nodes for this mount, and all its child mounts
- var node = lookup.node;
- var mount = node.mounted;
- var mounts = FS.getMounts(mount);
-
- Object.keys(FS.nameTable).forEach((hash) => {
- var current = FS.nameTable[hash];
-
- while (current) {
- var next = current.name_next;
-
- if (mounts.includes(current.mount)) {
- FS.destroyNode(current);
- }
-
- current = next;
- }
- });
-
- // no longer a mountpoint
- node.mounted = null;
-
- // remove this mount from the child mounts
- var idx = node.mount.mounts.indexOf(mount);
- assert(idx !== -1);
- node.mount.mounts.splice(idx, 1);
- },
- lookup(parent, name) {
- return parent.node_ops.lookup(parent, name);
- },
- mknod(path, mode, dev) {
- var lookup = FS.lookupPath(path, { parent: true });
- var parent = lookup.node;
- var name = PATH.basename(path);
- if (!name || name === '.' || name === '..') {
- throw new FS.ErrnoError(28);
- }
- var errCode = FS.mayCreate(parent, name);
- if (errCode) {
- throw new FS.ErrnoError(errCode);
- }
- if (!parent.node_ops.mknod) {
- throw new FS.ErrnoError(63);
- }
- return parent.node_ops.mknod(parent, name, mode, dev);
- },
- create(path, mode) {
- mode = mode !== undefined ? mode : 438 /* 0666 */;
- mode &= 4095;
- mode |= 32768;
- return FS.mknod(path, mode, 0);
- },
- mkdir(path, mode) {
- mode = mode !== undefined ? mode : 511 /* 0777 */;
- mode &= 511 | 512;
- mode |= 16384;
- return FS.mknod(path, mode, 0);
- },
- mkdirTree(path, mode) {
- var dirs = path.split('/');
- var d = '';
- for (var i = 0; i < dirs.length; ++i) {
- if (!dirs[i]) continue;
- d += '/' + dirs[i];
- try {
- FS.mkdir(d, mode);
- } catch(e) {
- if (e.errno != 20) throw e;
- }
- }
- },
- mkdev(path, mode, dev) {
- if (typeof dev == 'undefined') {
- dev = mode;
- mode = 438 /* 0666 */;
- }
- mode |= 8192;
- return FS.mknod(path, mode, dev);
- },
- symlink(oldpath, newpath) {
- if (!PATH_FS.resolve(oldpath)) {
- throw new FS.ErrnoError(44);
- }
- var lookup = FS.lookupPath(newpath, { parent: true });
- var parent = lookup.node;
- if (!parent) {
- throw new FS.ErrnoError(44);
- }
- var newname = PATH.basename(newpath);
- var errCode = FS.mayCreate(parent, newname);
- if (errCode) {
- throw new FS.ErrnoError(errCode);
- }
- if (!parent.node_ops.symlink) {
- throw new FS.ErrnoError(63);
- }
- return parent.node_ops.symlink(parent, newname, oldpath);
- },
- rename(old_path, new_path) {
- var old_dirname = PATH.dirname(old_path);
- var new_dirname = PATH.dirname(new_path);
- var old_name = PATH.basename(old_path);
- var new_name = PATH.basename(new_path);
- // parents must exist
- var lookup, old_dir, new_dir;
-
- // let the errors from non 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.getStreamChecked(fd);
- FS.chmod(stream.node, mode);
- },
- chown(path, uid, gid, dontFollow) {
- var node;
- if (typeof path == 'string') {
- var lookup = FS.lookupPath(path, { follow: !dontFollow });
- node = lookup.node;
- } else {
- node = path;
- }
- if (!node.node_ops.setattr) {
- throw new FS.ErrnoError(63);
- }
- node.node_ops.setattr(node, {
- timestamp: Date.now()
- // we ignore the uid / gid for now
- });
- },
- lchown(path, uid, gid) {
- FS.chown(path, uid, gid, true);
- },
- fchown(fd, uid, gid) {
- var stream = FS.getStreamChecked(fd);
- FS.chown(stream.node, uid, gid);
- },
- truncate(path, len) {
- if (len < 0) {
- throw new FS.ErrnoError(28);
- }
- var node;
- if (typeof path == 'string') {
- var lookup = FS.lookupPath(path, { follow: true });
- node = lookup.node;
- } else {
- node = path;
- }
- if (!node.node_ops.setattr) {
- throw new FS.ErrnoError(63);
- }
- if (FS.isDir(node.mode)) {
- throw new FS.ErrnoError(31);
- }
- if (!FS.isFile(node.mode)) {
- throw new FS.ErrnoError(28);
- }
- var errCode = FS.nodePermissions(node, 'w');
- if (errCode) {
- throw new FS.ErrnoError(errCode);
- }
- node.node_ops.setattr(node, {
- size: len,
- timestamp: Date.now()
- });
- },
- ftruncate(fd, len) {
- var stream = FS.getStreamChecked(fd);
- if ((stream.flags & 2097155) === 0) {
- throw new FS.ErrnoError(28);
- }
- FS.truncate(stream.node, len);
- },
- utime(path, atime, mtime) {
- var lookup = FS.lookupPath(path, { follow: true });
- var node = lookup.node;
- node.node_ops.setattr(node, {
- timestamp: Math.max(atime, mtime)
- });
- },
- open(path, flags, mode) {
- if (path === "") {
- throw new FS.ErrnoError(44);
- }
- flags = typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags;
- mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode;
- if ((flags & 64)) {
- mode = (mode & 4095) | 32768;
- } else {
- mode = 0;
- }
- var node;
- if (typeof path == 'object') {
- node = path;
- } else {
- path = PATH.normalize(path);
- try {
- var lookup = FS.lookupPath(path, {
- follow: !(flags & 131072)
- });
- node = lookup.node;
- } catch (e) {
- // ignore
- }
- }
- // perhaps we need to create the node
- var created = false;
- if ((flags & 64)) {
- if (node) {
- // if O_CREAT and O_EXCL are set, error out if the node already exists
- if ((flags & 128)) {
- throw new FS.ErrnoError(20);
- }
- } else {
- // node doesn't exist, try to create it
- node = FS.mknod(path, mode, 0);
- created = true;
- }
- }
- if (!node) {
- throw new FS.ErrnoError(44);
- }
- // can't truncate a device
- if (FS.isChrdev(node.mode)) {
- flags &= ~512;
- }
- // if asked only for a directory, then this must be one
- if ((flags & 65536) && !FS.isDir(node.mode)) {
- throw new FS.ErrnoError(54);
- }
- // check permissions, if this is not a file we just created now (it is ok to
- // create and write to a file with read-only permissions; it is read-only
- // for later use)
- if (!created) {
- var errCode = FS.mayOpen(node, flags);
- if (errCode) {
- throw new FS.ErrnoError(errCode);
- }
- }
- // do truncation if necessary
- if ((flags & 512) && !created) {
- FS.truncate(node, 0);
- }
- // we've already handled these, don't pass down to the underlying vfs
- flags &= ~(128 | 512 | 131072);
-
- // register the stream with the filesystem
- var stream = FS.createStream({
- node,
- path: FS.getPath(node), // we want the absolute path to the node
- flags,
- seekable: true,
- position: 0,
- stream_ops: node.stream_ops,
- // used by the file family libc calls (fopen, fwrite, ferror, etc.)
- ungotten: [],
- error: false
- });
- // call the new stream's open function
- if (stream.stream_ops.open) {
- stream.stream_ops.open(stream);
- }
- if (Module['logReadFiles'] && !(flags & 1)) {
- if (!FS.readFiles) FS.readFiles = {};
- if (!(path in FS.readFiles)) {
- FS.readFiles[path] = 1;
- }
- }
- return stream;
- },
- close(stream) {
- if (FS.isClosed(stream)) {
- throw new FS.ErrnoError(8);
- }
- if (stream.getdents) stream.getdents = null; // free readdir state
- try {
- if (stream.stream_ops.close) {
- stream.stream_ops.close(stream);
- }
- } catch (e) {
- throw e;
- } finally {
- FS.closeStream(stream.fd);
- }
- stream.fd = null;
- },
- isClosed(stream) {
- return stream.fd === null;
- },
- llseek(stream, offset, whence) {
- if (FS.isClosed(stream)) {
- throw new FS.ErrnoError(8);
- }
- if (!stream.seekable || !stream.stream_ops.llseek) {
- throw new FS.ErrnoError(70);
- }
- if (whence != 0 && whence != 1 && whence != 2) {
- throw new FS.ErrnoError(28);
- }
- stream.position = stream.stream_ops.llseek(stream, offset, whence);
- stream.ungotten = [];
- return stream.position;
- },
- read(stream, buffer, offset, length, position) {
- assert(offset >= 0);
- if (length < 0 || position < 0) {
- throw new FS.ErrnoError(28);
- }
- if (FS.isClosed(stream)) {
- throw new FS.ErrnoError(8);
- }
- if ((stream.flags & 2097155) === 1) {
- throw new FS.ErrnoError(8);
- }
- if (FS.isDir(stream.node.mode)) {
- throw new FS.ErrnoError(31);
- }
- if (!stream.stream_ops.read) {
- throw new FS.ErrnoError(28);
- }
- var seeking = typeof position != 'undefined';
- if (!seeking) {
- position = stream.position;
- } else if (!stream.seekable) {
- throw new FS.ErrnoError(70);
- }
- var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
- if (!seeking) stream.position += bytesRead;
- return bytesRead;
- },
- write(stream, buffer, offset, length, position, canOwn) {
- assert(offset >= 0);
- if (length < 0 || position < 0) {
- throw new FS.ErrnoError(28);
- }
- if (FS.isClosed(stream)) {
- throw new FS.ErrnoError(8);
- }
- if ((stream.flags & 2097155) === 0) {
- throw new FS.ErrnoError(8);
- }
- if (FS.isDir(stream.node.mode)) {
- throw new FS.ErrnoError(31);
- }
- if (!stream.stream_ops.write) {
- throw new FS.ErrnoError(28);
- }
- if (stream.seekable && stream.flags & 1024) {
- // seek to the end before writing in append mode
- FS.llseek(stream, 0, 2);
- }
- var seeking = typeof position != 'undefined';
- if (!seeking) {
- position = stream.position;
- } else if (!stream.seekable) {
- throw new FS.ErrnoError(70);
- }
- var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
- if (!seeking) stream.position += bytesWritten;
- return bytesWritten;
- },
- allocate(stream, offset, length) {
- if (FS.isClosed(stream)) {
- throw new FS.ErrnoError(8);
- }
- if (offset < 0 || length <= 0) {
- throw new FS.ErrnoError(28);
- }
- if ((stream.flags & 2097155) === 0) {
- throw new FS.ErrnoError(8);
- }
- if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
- throw new FS.ErrnoError(43);
- }
- if (!stream.stream_ops.allocate) {
- throw new FS.ErrnoError(138);
- }
- stream.stream_ops.allocate(stream, offset, length);
- },
- mmap(stream, length, position, prot, flags) {
- // User requests writing to file (prot & PROT_WRITE != 0).
- // Checking if we have permissions to write to the file unless
- // MAP_PRIVATE flag is set. According to POSIX spec it is possible
- // to write to file opened in read-only mode with MAP_PRIVATE flag,
- // as all modifications will be visible only in the memory of
- // the current process.
- if ((prot & 2) !== 0
- && (flags & 2) === 0
- && (stream.flags & 2097155) !== 2) {
- throw new FS.ErrnoError(2);
- }
- if ((stream.flags & 2097155) === 1) {
- throw new FS.ErrnoError(2);
- }
- if (!stream.stream_ops.mmap) {
- throw new FS.ErrnoError(43);
- }
- return stream.stream_ops.mmap(stream, length, position, prot, flags);
- },
- msync(stream, buffer, offset, length, mmapFlags) {
- assert(offset >= 0);
- if (!stream.stream_ops.msync) {
- return 0;
- }
- return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
- },
- 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.getStreamChecked(fd);
- var ret = {
- parent: null,
- mount: { mountpoint: 'fake' },
- node_ops: { readlink: () => stream.path },
- };
- ret.parent = ret; // make it look like a simple root node
- return ret;
- }
- };
- return node;
- }
- }, {}, '/proc/self/fd');
- },
- createStandardStreams() {
- // TODO deprecate the old functionality of a single
- // input / output callback and that utilizes FS.createDevice
- // and instead require a unique set of stream ops
-
- // by default, we symlink the standard streams to the
- // default tty devices. however, if the standard streams
- // have been overwritten we create a unique device for
- // them instead.
- if (Module['stdin']) {
- FS.createDevice('/dev', 'stdin', Module['stdin']);
- } else {
- FS.symlink('/dev/tty', '/dev/stdin');
- }
- if (Module['stdout']) {
- FS.createDevice('/dev', 'stdout', null, Module['stdout']);
- } else {
- FS.symlink('/dev/tty', '/dev/stdout');
- }
- if (Module['stderr']) {
- FS.createDevice('/dev', 'stderr', null, Module['stderr']);
- } else {
- FS.symlink('/dev/tty1', '/dev/stderr');
- }
-
- // open default streams for the stdin, stdout and stderr devices
- var stdin = FS.open('/dev/stdin', 0);
- var stdout = FS.open('/dev/stdout', 1);
- var stderr = FS.open('/dev/stderr', 1);
- assert(stdin.fd === 0, `invalid handle for stdin (${stdin.fd})`);
- assert(stdout.fd === 1, `invalid handle for stdout (${stdout.fd})`);
- assert(stderr.fd === 2, `invalid handle for stderr (${stderr.fd})`);
- },
- 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 = '';
- });
- },
- 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} */(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, 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}
- */
- var UTF8ToString = (ptr, maxBytesToRead) => {
- assert(typeof ptr == 'number');
- return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
- };
- var SYSCALLS = {
- DEFAULT_POLLMASK:5,
- calculateAt(dirfd, path, allowEmpty) {
- if (PATH.isAbs(path)) {
- return path;
- }
- // relative path
- var dir;
- if (dirfd === -100) {
- dir = FS.cwd();
- } else {
- var dirstream = SYSCALLS.getStreamFromFD(dirfd);
- dir = dirstream.path;
- }
- if (path.length == 0) {
- if (!allowEmpty) {
- throw new FS.ErrnoError(44);;
- }
- return dir;
- }
- return PATH.join2(dir, path);
- },
- doStat(func, path, buf) {
- 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)+(4))>>2)] = stat.mode;
- HEAPU32[(((buf)+(8))>>2)] = stat.nlink;
- HEAP32[(((buf)+(12))>>2)] = stat.uid;
- HEAP32[(((buf)+(16))>>2)] = stat.gid;
- HEAP32[(((buf)+(20))>>2)] = stat.rdev;
- (tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(24))>>2)] = tempI64[0],HEAP32[(((buf)+(28))>>2)] = tempI64[1]);
- HEAP32[(((buf)+(32))>>2)] = 4096;
- HEAP32[(((buf)+(36))>>2)] = stat.blocks;
- var atime = stat.atime.getTime();
- var mtime = stat.mtime.getTime();
- var ctime = stat.ctime.getTime();
- (tempI64 = [Math.floor(atime / 1000)>>>0,(tempDouble=Math.floor(atime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]);
- HEAPU32[(((buf)+(48))>>2)] = (atime % 1000) * 1000;
- (tempI64 = [Math.floor(mtime / 1000)>>>0,(tempDouble=Math.floor(mtime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(56))>>2)] = tempI64[0],HEAP32[(((buf)+(60))>>2)] = tempI64[1]);
- HEAPU32[(((buf)+(64))>>2)] = (mtime % 1000) * 1000;
- (tempI64 = [Math.floor(ctime / 1000)>>>0,(tempDouble=Math.floor(ctime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(72))>>2)] = tempI64[0],HEAP32[(((buf)+(76))>>2)] = tempI64[1]);
- HEAPU32[(((buf)+(80))>>2)] = (ctime % 1000) * 1000;
- (tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]);
- return 0;
- },
- doMsync(addr, stream, len, flags, offset) {
- if (!FS.isFile(stream.node.mode)) {
- throw new FS.ErrnoError(43);
- }
- if (flags & 2) {
- // MAP_PRIVATE calls need not to be synced back to underlying fs
- return 0;
- }
- var buffer = HEAPU8.slice(addr, addr + len);
- FS.msync(stream, buffer, offset, len, flags);
- },
- varargs:undefined,
- get() {
- assert(SYSCALLS.varargs != undefined);
- // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number.
- var ret = HEAP32[((+SYSCALLS.varargs)>>2)];
- SYSCALLS.varargs += 4;
- return ret;
- },
- getp() { return SYSCALLS.get() },
- getStr(ptr) {
- var ret = UTF8ToString(ptr);
- return ret;
- },
- getStreamFromFD(fd) {
- var stream = FS.getStreamChecked(fd);
- return stream;
- },
- };
- function ___syscall_fcntl64(fd, cmd, varargs) {
- SYSCALLS.varargs = varargs;
- try {
-
- var stream = SYSCALLS.getStreamFromFD(fd);
- switch (cmd) {
- case 0: {
- var arg = SYSCALLS.get();
- if (arg < 0) {
- return -28;
- }
- while (FS.streams[arg]) {
- arg++;
- }
- var newStream;
- newStream = FS.createStream(stream, arg);
- return newStream.fd;
- }
- case 1:
- case 2:
- return 0; // FD_CLOEXEC makes no sense for a single process.
- case 3:
- return stream.flags;
- case 4: {
- var arg = SYSCALLS.get();
- stream.flags |= arg;
- return 0;
- }
- case 5: {
- var arg = SYSCALLS.getp();
- var offset = 0;
- // We're always unlocked.
- HEAP16[(((arg)+(offset))>>1)] = 2;
- return 0;
- }
- case 6:
- case 7:
- return 0; // Pretend that the locking is successful.
- case 16:
- case 8:
- return -28; // These are for sockets. We don't have them fully implemented yet.
- case 9:
- // musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fcntl() returns that, and we set errno ourselves.
- setErrNo(28);
- return -1;
- default: {
- return -28;
- }
- }
- } catch (e) {
- if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
- return -e.errno;
- }
- }
-
- function ___syscall_ioctl(fd, op, varargs) {
- SYSCALLS.varargs = varargs;
- try {
-
- var stream = SYSCALLS.getStreamFromFD(fd);
- switch (op) {
- case 21509: {
- if (!stream.tty) return -59;
- return 0;
- }
- case 21505: {
- if (!stream.tty) return -59;
- if (stream.tty.ops.ioctl_tcgets) {
- var termios = stream.tty.ops.ioctl_tcgets(stream);
- var argp = SYSCALLS.getp();
- HEAP32[((argp)>>2)] = termios.c_iflag || 0;
- HEAP32[(((argp)+(4))>>2)] = termios.c_oflag || 0;
- HEAP32[(((argp)+(8))>>2)] = termios.c_cflag || 0;
- HEAP32[(((argp)+(12))>>2)] = termios.c_lflag || 0;
- for (var i = 0; i < 32; i++) {
- HEAP8[(((argp + i)+(17))>>0)] = termios.c_cc[i] || 0;
- }
- return 0;
- }
- return 0;
- }
- case 21510:
- case 21511:
- case 21512: {
- if (!stream.tty) return -59;
- return 0; // no-op, not actually adjusting terminal settings
- }
- case 21506:
- case 21507:
- case 21508: {
- if (!stream.tty) return -59;
- if (stream.tty.ops.ioctl_tcsets) {
- var argp = SYSCALLS.getp();
- var c_iflag = HEAP32[((argp)>>2)];
- var c_oflag = HEAP32[(((argp)+(4))>>2)];
- var c_cflag = HEAP32[(((argp)+(8))>>2)];
- var c_lflag = HEAP32[(((argp)+(12))>>2)];
- var c_cc = []
- for (var i = 0; i < 32; i++) {
- c_cc.push(HEAP8[(((argp + i)+(17))>>0)]);
- }
- return stream.tty.ops.ioctl_tcsets(stream.tty, op, { c_iflag, c_oflag, c_cflag, c_lflag, c_cc });
- }
- return 0; // no-op, not actually adjusting terminal settings
- }
- case 21519: {
- if (!stream.tty) return -59;
- var argp = SYSCALLS.getp();
- HEAP32[((argp)>>2)] = 0;
- return 0;
- }
- case 21520: {
- if (!stream.tty) return -59;
- return -28; // not supported
- }
- case 21531: {
- var argp = SYSCALLS.getp();
- return FS.ioctl(stream, op, argp);
- }
- case 21523: {
- // TODO: in theory we should write to the winsize struct that gets
- // passed in, but for now musl doesn't read anything on it
- if (!stream.tty) return -59;
- if (stream.tty.ops.ioctl_tiocgwinsz) {
- var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
- var argp = SYSCALLS.getp();
- HEAP16[((argp)>>1)] = winsize[0];
- HEAP16[(((argp)+(2))>>1)] = winsize[1];
- }
- return 0;
- }
- case 21524: {
- // TODO: technically, this ioctl call should change the window size.
- // but, since emscripten doesn't have any concept of a terminal window
- // yet, we'll just silently throw it away as we do TIOCGWINSZ
- if (!stream.tty) return -59;
- return 0;
- }
- case 21515: {
- if (!stream.tty) return -59;
- return 0;
- }
- default: return -28; // not supported
- }
- } catch (e) {
- if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
- return -e.errno;
- }
- }
-
- function ___syscall_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;
- }
- }
-
- var _emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
-
- var getHeapMax = () =>
- // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
- // full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
- // for any code that deals with heap sizes, which would require special
- // casing all heap size related code to treat 0 specially.
- 2147483648;
-
- var growMemory = (size) => {
- var b = wasmMemory.buffer;
- var pages = (size - b.byteLength + 65535) / 65536;
- try {
- // round size grow request up to wasm page size (fixed 64KB per spec)
- wasmMemory.grow(pages); // .grow() takes a delta compared to the previous size
- updateMemoryViews();
- return 1 /*success*/;
- } catch(e) {
- err(`growMemory: Attempted to grow heap from ${b.byteLength} bytes to ${size} bytes, but got error: ${e}`);
- }
- // implicit 0 return to save code size (caller will cast "undefined" into 0
- // anyhow)
- };
- var _emscripten_resize_heap = (requestedSize) => {
- var oldSize = HEAPU8.length;
- // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
- requestedSize >>>= 0;
- // With multithreaded builds, races can happen (another thread might increase the size
- // in between), so return a failure, and let the caller retry.
- assert(requestedSize > oldSize);
-
- // Memory resize rules:
- // 1. Always increase heap size to at least the requested size, rounded up
- // to next page multiple.
- // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
- // geometrically: increase the heap size according to
- // MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
- // overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
- // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
- // linearly: increase the heap size by at least
- // MEMORY_GROWTH_LINEAR_STEP bytes.
- // 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
- // MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
- // 4. If we were unable to allocate as much memory, it may be due to
- // over-eager decision to excessively reserve due to (3) above.
- // Hence if an allocation fails, cut down on the amount of excess
- // growth, in an attempt to succeed to perform a smaller allocation.
-
- // A limit is set for how much we can grow. We should not exceed that
- // (the wasm binary specifies it, so if we tried, we'd fail anyhow).
- var maxHeapSize = getHeapMax();
- if (requestedSize > maxHeapSize) {
- err(`Cannot enlarge memory, requested ${requestedSize} bytes, but the limit is ${maxHeapSize} bytes!`);
- return false;
- }
-
- var alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
-
- // Loop through potential heap size increases. If we attempt a too eager
- // reservation that fails, cut down on the attempted size and reserve a
- // smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
- for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
- var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth
- // but limit overreserving (default to capping at +96MB overgrowth at most)
- overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 );
-
- var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
-
- var replacement = growMemory(newSize);
- if (replacement) {
-
- return true;
- }
- }
- err(`Failed to grow the heap from ${oldSize} bytes to ${newSize} bytes, not enough memory!`);
- return false;
- };
-
- function _fd_close(fd) {
- try {
-
- var stream = SYSCALLS.getStreamFromFD(fd);
- FS.close(stream);
- return 0;
- } catch (e) {
- if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
- return e.errno;
- }
- }
-
- /** @param {number=} offset */
- var doReadv = (stream, iov, iovcnt, offset) => {
- var ret = 0;
- for (var i = 0; i < iovcnt; i++) {
- var ptr = HEAPU32[((iov)>>2)];
- var len = HEAPU32[(((iov)+(4))>>2)];
- iov += 8;
- var curr = FS.read(stream, HEAP8, ptr, len, offset);
- if (curr < 0) return -1;
- ret += curr;
- if (curr < len) break; // nothing more to read
- if (typeof offset !== 'undefined') {
- offset += curr;
- }
- }
- return ret;
- };
-
- function _fd_read(fd, iov, iovcnt, pnum) {
- try {
-
- var stream = SYSCALLS.getStreamFromFD(fd);
- var num = doReadv(stream, iov, iovcnt);
- HEAPU32[((pnum)>>2)] = num;
- return 0;
- } catch (e) {
- if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
- return e.errno;
- }
- }
-
-
- var convertI32PairToI53Checked = (lo, hi) => {
- assert(lo == (lo >>> 0) || lo == (lo|0)); // lo should either be a i32 or a u32
- assert(hi === (hi|0)); // hi should be a i32
- return ((hi + 0x200000) >>> 0 < 0x400001 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN;
- };
- function _fd_seek(fd,offset_low, offset_high,whence,newOffset) {
- var offset = convertI32PairToI53Checked(offset_low, offset_high);;
-
-
- try {
-
- if (isNaN(offset)) return 61;
- var stream = SYSCALLS.getStreamFromFD(fd);
- FS.llseek(stream, offset, whence);
- (tempI64 = [stream.position>>>0,(tempDouble=stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]);
- if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state
- return 0;
- } catch (e) {
- if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
- return e.errno;
- }
- ;
- }
-
- /** @param {number=} offset */
- var doWritev = (stream, iov, iovcnt, offset) => {
- var ret = 0;
- for (var i = 0; i < iovcnt; i++) {
- var ptr = HEAPU32[((iov)>>2)];
- var len = HEAPU32[(((iov)+(4))>>2)];
- iov += 8;
- var curr = FS.write(stream, HEAP8, ptr, len, offset);
- if (curr < 0) return -1;
- ret += curr;
- if (typeof offset !== 'undefined') {
- offset += curr;
- }
- }
- return ret;
- };
-
- function _fd_write(fd, iov, iovcnt, pnum) {
- try {
-
- var stream = SYSCALLS.getStreamFromFD(fd);
- var num = doWritev(stream, iov, iovcnt);
- HEAPU32[((pnum)>>2)] = num;
- return 0;
- } catch (e) {
- if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
- return e.errno;
- }
- }
-
-
- var runtimeKeepaliveCounter = 0;
- var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
-
- var _proc_exit = (code) => {
- EXITSTATUS = code;
- if (!keepRuntimeAlive()) {
- if (Module['onExit']) Module['onExit'](code);
- ABORT = true;
- }
- quit_(code, new ExitStatus(code));
- };
-
- /** @param {boolean|number=} implicit */
- var exitJS = (status, implicit) => {
- EXITSTATUS = status;
-
- checkUnflushedContent();
-
- // if exit() was called explicitly, warn the user if the runtime isn't actually being shut down
- if (keepRuntimeAlive() && !implicit) {
- var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`;
- err(msg);
- }
-
- _proc_exit(status);
- };
-
- var handleException = (e) => {
- // Certain exception types we do not treat as errors since they are used for
- // internal control flow.
- // 1. ExitStatus, which is thrown by exit()
- // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
- // that wish to return to JS event loop.
- if (e instanceof ExitStatus || e == 'unwind') {
- return EXITSTATUS;
- }
- checkStackCookie();
- if (e instanceof WebAssembly.RuntimeError) {
- if (_emscripten_stack_get_current() <= 0) {
- err('Stack overflow detected. You can try increasing -sSTACK_SIZE (currently set to 1048576)');
- }
- }
- quit_(1, e);
- };
-
-
-
- var getCFunc = (ident) => {
- var func = Module['_' + ident]; // closure exported function
- assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported');
- return func;
- };
-
- var writeArrayToMemory = (array, buffer) => {
- assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)')
- HEAP8.set(array, buffer);
- };
-
-
- var stringToUTF8 = (str, outPtr, maxBytesToWrite) => {
- assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
- return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
- };
- var stringToUTF8OnStack = (str) => {
- var size = lengthBytesUTF8(str) + 1;
- var ret = stackAlloc(size);
- stringToUTF8(str, ret, size);
- return ret;
- };
-
-
- /**
- * @param {string|null=} returnType
- * @param {Array=} argTypes
- * @param {Arguments|Array=} args
- * @param {Object=} opts
- */
- var ccall = (ident, returnType, argTypes, args, opts) => {
- // For fast lookup of conversion functions
- var toC = {
- 'string': (str) => {
- var ret = 0;
- if (str !== null && str !== undefined && str !== 0) { // null string
- // 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;
- };
-
-
-
-
-
-
-
- var FS_unlink = (path) => FS.unlink(path);
-
- 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();Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_unlink"] = FS.unlink;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createDevice"] = FS.createDevice;;
-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,
- };;
-function checkIncomingModuleAPI() {
- ignoredModuleProp('fetchSettings');
-}
-var wasmImports = {
- /** @export */
- __syscall_fcntl64: ___syscall_fcntl64,
- /** @export */
- __syscall_ioctl: ___syscall_ioctl,
- /** @export */
- __syscall_openat: ___syscall_openat,
- /** @export */
- emscripten_memcpy_js: _emscripten_memcpy_js,
- /** @export */
- emscripten_resize_heap: _emscripten_resize_heap,
- /** @export */
- fd_close: _fd_close,
- /** @export */
- fd_read: _fd_read,
- /** @export */
- fd_seek: _fd_seek,
- /** @export */
- fd_write: _fd_write
-};
-var wasmExports = createWasm();
-var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors');
-var _malloc = createExportWrapper('malloc');
-var _main = Module['_main'] = createExportWrapper('main');
-var ___errno_location = createExportWrapper('__errno_location');
-var _fflush = Module['_fflush'] = createExportWrapper('fflush');
-var _free = createExportWrapper('free');
-var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports['emscripten_stack_init'])();
-var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports['emscripten_stack_get_free'])();
-var _emscripten_stack_get_base = () => (_emscripten_stack_get_base = wasmExports['emscripten_stack_get_base'])();
-var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports['emscripten_stack_get_end'])();
-var stackSave = createExportWrapper('stackSave');
-var stackRestore = createExportWrapper('stackRestore');
-var stackAlloc = createExportWrapper('stackAlloc');
-var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])();
-var dynCall_jiji = Module['dynCall_jiji'] = createExportWrapper('dynCall_jiji');
-
-
-// include: postamble.js
-// === Auto-generated postamble setup entry stuff ===
-
-// include: base64Utils.js
-// Converts a string of base64 into a byte array (Uint8Array).
-function intArrayFromBase64(s) {
- if (typeof ENVIRONMENT_IS_NODE != 'undefined' && ENVIRONMENT_IS_NODE) {
- var buf = Buffer.from(s, 'base64');
- return new Uint8Array(buf.buffer, buf.byteOffset, buf.length);
- }
-
- var decoded = atob(s);
- var bytes = new Uint8Array(decoded.length);
- for (var i = 0 ; i < decoded.length ; ++i) {
- bytes[i] = decoded.charCodeAt(i);
- }
- return bytes;
-}
-
-// If filename is a base64 data URI, parses and returns data (Buffer on node,
-// Uint8Array otherwise). If filename is not a base64 data URI, returns undefined.
-function tryParseAsDataURI(filename) {
- if (!isDataURI(filename)) {
- return;
- }
-
- return intArrayFromBase64(filename.slice(dataURIPrefix.length));
-}
-// end include: base64Utils.js
-Module['addRunDependency'] = addRunDependency;
-Module['removeRunDependency'] = removeRunDependency;
-Module['FS_createPath'] = FS.createPath;
-Module['FS_createLazyFile'] = FS.createLazyFile;
-Module['FS_createDevice'] = FS.createDevice;
-Module['ccall'] = ccall;
-Module['getValue'] = getValue;
-Module['UTF8ToString'] = UTF8ToString;
-Module['stringToUTF8'] = stringToUTF8;
-Module['lengthBytesUTF8'] = lengthBytesUTF8;
-Module['FS_createPreloadedFile'] = FS.createPreloadedFile;
-Module['FS'] = FS;
-Module['FS_createDataFile'] = FS.createDataFile;
-Module['FS_unlink'] = FS.unlink;
-var missingLibrarySymbols = [
- 'writeI53ToI64',
- 'writeI53ToI64Clamped',
- 'writeI53ToI64Signaling',
- 'writeI53ToU64Clamped',
- 'writeI53ToU64Signaling',
- 'readI53FromI64',
- 'readI53FromU64',
- 'convertI32PairToI53',
- 'convertU32PairToI53',
- 'isLeapYear',
- 'ydayFromDate',
- 'arraySum',
- 'addDays',
- 'inetPton4',
- 'inetNtop4',
- 'inetPton6',
- 'inetNtop6',
- 'readSockaddr',
- 'writeSockaddr',
- 'getHostByName',
- 'getCallstack',
- 'emscriptenLog',
- 'convertPCtoSourceLocation',
- 'readEmAsmArgs',
- 'jstoi_q',
- 'jstoi_s',
- 'getExecutableName',
- 'listenOnce',
- 'autoResumeAudioContext',
- 'dynCallLegacy',
- 'getDynCaller',
- 'dynCall',
- 'runtimeKeepalivePush',
- 'runtimeKeepalivePop',
- 'callUserCallback',
- 'maybeExit',
- 'asmjsMangle',
- 'handleAllocatorInit',
- 'HandleAllocator',
- 'getNativeTypeSize',
- 'STACK_SIZE',
- 'STACK_ALIGN',
- 'POINTER_SIZE',
- 'ASSERTIONS',
- 'cwrap',
- 'uleb128Encode',
- 'sigToWasmTypes',
- 'generateFuncType',
- 'convertJsFunctionToWasm',
- 'getEmptyTableSlot',
- 'updateTableMap',
- 'getFunctionAddress',
- 'addFunction',
- 'removeFunction',
- 'reallyNegative',
- 'unSign',
- 'strLen',
- 'reSign',
- 'formatString',
- 'intArrayToString',
- 'AsciiToString',
- 'stringToAscii',
- 'UTF16ToString',
- 'stringToUTF16',
- 'lengthBytesUTF16',
- 'UTF32ToString',
- 'stringToUTF32',
- 'lengthBytesUTF32',
- 'stringToNewUTF8',
- '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',
- 'safeSetTimeout',
- 'setImmediateWrapped',
- 'clearImmediateWrapped',
- 'polyfillSetImmediate',
- 'getPromise',
- 'makePromise',
- 'idsToPromises',
- 'makePromiseCallback',
- 'ExceptionInfo',
- 'findMatchingCatch',
- 'setMainLoop',
- 'getSocketFromFD',
- 'getSocketAddress',
- 'FS_mkdirTree',
- '_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',
- 'ALLOC_NORMAL',
- 'ALLOC_STACK',
- 'allocate',
- 'writeStringToMemory',
- 'writeAsciiToMemory',
-];
-missingLibrarySymbols.forEach(missingLibrarySymbol)
-
-var unexportedSymbols = [
- 'run',
- 'addOnPreRun',
- 'addOnInit',
- 'addOnPreMain',
- 'addOnExit',
- 'addOnPostRun',
- 'FS_createFolder',
- 'FS_createLink',
- 'FS_readFile',
- 'out',
- 'err',
- 'callMain',
- 'abort',
- 'wasmMemory',
- 'wasmExports',
- 'stackAlloc',
- 'stackSave',
- 'stackRestore',
- 'getTempRet0',
- 'setTempRet0',
- 'writeStackCookie',
- 'checkStackCookie',
- 'convertI32PairToI53Checked',
- 'ptrToString',
- 'zeroMemory',
- 'exitJS',
- 'getHeapMax',
- 'growMemory',
- 'ENV',
- 'MONTH_DAYS_REGULAR',
- 'MONTH_DAYS_LEAP',
- 'MONTH_DAYS_REGULAR_CUMULATIVE',
- 'MONTH_DAYS_LEAP_CUMULATIVE',
- 'ERRNO_CODES',
- 'ERRNO_MESSAGES',
- 'setErrNo',
- 'DNS',
- 'Protocols',
- 'Sockets',
- 'initRandomFill',
- 'randomFill',
- 'timers',
- 'warnOnce',
- 'UNWIND_CACHE',
- 'readEmAsmArgsArray',
- 'handleException',
- 'keepRuntimeAlive',
- 'asyncLoad',
- 'alignMemory',
- 'mmapAlloc',
- 'wasmTable',
- 'noExitRuntime',
- 'getCFunc',
- 'freeTableIndexes',
- 'functionsInTableMap',
- 'setValue',
- 'PATH',
- 'PATH_FS',
- 'UTF8Decoder',
- 'UTF8ArrayToString',
- 'stringToUTF8Array',
- 'intArrayFromString',
- 'UTF16Decoder',
- 'stringToUTF8OnStack',
- 'writeArrayToMemory',
- 'JSEvents',
- 'specialHTMLTargets',
- 'currentFullscreenStrategy',
- 'restoreOldWindowedStyle',
- 'demangle',
- 'demangleAll',
- 'ExitStatus',
- 'doReadv',
- 'doWritev',
- 'promiseMap',
- 'uncaughtExceptionCount',
- 'exceptionLast',
- 'exceptionCaught',
- 'Browser',
- 'wget',
- 'SYSCALLS',
- 'preloadPlugins',
- 'FS_modeStringToFlags',
- 'FS_getMode',
- 'FS_stdin_getChar_buffer',
- 'FS_stdin_getChar',
- 'MEMFS',
- 'TTY',
- 'PIPEFS',
- 'SOCKFS',
- 'tempFixedLengthArray',
- 'miniTempWebGLFloatBuffers',
- 'miniTempWebGLIntBuffers',
- 'GL',
- 'emscripten_webgl_power_preferences',
- 'AL',
- 'GLUT',
- 'EGL',
- 'GLEW',
- 'IDBStore',
- 'SDL',
- 'SDL_gfx',
- 'allocateUTF8',
- 'allocateUTF8OnStack',
-];
-unexportedSymbols.forEach(unexportedRuntimeSymbol);
-
-
-
-var calledRun;
-
-dependenciesFulfilled = function runCaller() {
- // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
- if (!calledRun) run();
- if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
-};
-
-function callMain() {
- assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
- assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
-
- var entryFunction = _main;
-
- var argc = 0;
- var argv = 0;
-
- try {
-
- var ret = entryFunction(argc, argv);
-
- // if we're not running an evented main loop, it's time to exit
- exitJS(ret, /* implicit = */ true);
- return ret;
- }
- catch (e) {
- return handleException(e);
- }
-}
-
-function stackCheckInit() {
- // This is normally called automatically during __wasm_call_ctors but need to
- // get these values before even running any of the ctors so we call it redundantly
- // here.
- _emscripten_stack_init();
- // TODO(sbc): Move writeStackCookie to native to to avoid this.
- writeStackCookie();
-}
-
-function run() {
-
- if (runDependencies > 0) {
- return;
- }
-
- stackCheckInit();
-
- preRun();
-
- // a preRun added a dependency, run will be called later
- if (runDependencies > 0) {
- return;
- }
-
- function doRun() {
- // run may have just been called through dependencies being fulfilled just in this very frame,
- // or while the async setStatus time below was happening
- if (calledRun) return;
- calledRun = true;
- Module['calledRun'] = true;
-
- if (ABORT) return;
-
- initRuntime();
-
- preMain();
-
- if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
-
- if (shouldRunNow) callMain();
-
- postRun();
- }
-
- if (Module['setStatus']) {
- Module['setStatus']('Running...');
- setTimeout(function() {
- setTimeout(function() {
- Module['setStatus']('');
- }, 1);
- doRun();
- }, 1);
- } else
- {
- doRun();
- }
- checkStackCookie();
-}
-
-function checkUnflushedContent() {
- // Compiler settings do not allow exiting the runtime, so flushing
- // the streams is not possible. but in ASSERTIONS mode we check
- // if there was something to flush, and if so tell the user they
- // should request that the runtime be exitable.
- // Normally we would not even include flush() at all, but in ASSERTIONS
- // builds we do so just for this check, and here we see if there is any
- // content to flush, that is, we check if there would have been
- // something a non-ASSERTIONS build would have not seen.
- // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0
- // mode (which has its own special function for this; otherwise, all
- // the code is inside libc)
- var oldOut = out;
- var oldErr = err;
- var has = false;
- out = err = (x) => {
- has = true;
- }
- try { // it doesn't matter if it fails
- _fflush(0);
- // also flush in the JS FS layer
- ['stdout', 'stderr'].forEach(function(name) {
- var info = FS.analyzePath('/dev/' + name);
- if (!info) return;
- var stream = info.object;
- var rdev = stream.rdev;
- var tty = TTY.ttys[rdev];
- if (tty && 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 Emscripten FAQ), or make sure to emit a newline when you printf etc.');
- }
-}
-
-if (Module['preInit']) {
- if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
- while (Module['preInit'].length > 0) {
- Module['preInit'].pop()();
- }
-}
-
-// shouldRunNow refers to calling main(), not run().
-var shouldRunNow = true;
-
-if (Module['noInitialRun']) shouldRunNow = false;
-
-run();
-
-
-// end include: postamble.js