diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml index b26e445..c39c0bb 100644 --- a/.github/workflows/deploy.yml +++ b/.github/workflows/deploy.yml @@ -21,34 +21,3 @@ jobs: cd ${{ secrets.SERVER_PATH }} git fetch --all git pull - - # Create a random variable for unique clone directory - variable=cache$RANDOM - echo "Cloning repository to: clone-${variable}" - git clone https://github.com/SalamLang/Salam clone-${variable} - cd clone-${variable} - cd src - - # Run the WebAssembly build script - echo "Running build-webassembly.sh..." - bash build-webassembly.sh - - # Check if the WebAssembly files were built and copy them - if [ -f "salam-wa.wasm" ] && [ -f "salam-wa.js" ]; then - echo "Copying salam-wa.wasm and salam-wa.js to the parent directory." - cp salam-wa.wasm ../../ - cp salam-wa.js ../../ - else - echo "salam-wa.wasm or salam-wa.js not found. Skipping." - fi - - # Cleanup cloned directory - cd ../.. - rm -rf clone-${variable} - echo "Cleanup completed: clone-${variable} removed." - - # Add, commit, and push changes - cd ${{ secrets.SERVER_PATH }} - git add salam-wa.wasm salam-wa.js - git commit -m "Automated commit of WebAssembly build artifacts" - git push diff --git a/salam-wa.js b/salam-wa.js index 880d273..a47a4ff 100644 --- a/salam-wa.js +++ b/salam-wa.js @@ -1,9 +1,8 @@ - - +// 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.. } +// 2. A function parameter, function(moduleArg) => Promise // 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). @@ -15,11 +14,32 @@ // can continue to use Module afterwards as well. var Module = typeof Module != 'undefined' ? Module : {}; -// See https://caniuse.com/mdn-javascript_builtins_object_assign +// 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)'); +} + +if (ENVIRONMENT_IS_NODE) { + // `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? + +} // --pre-jses are emitted after the Module integration code, so that they can // refer to Module (if they choose; they can also define Module) -// {{PRE_JSES}} + // Sometimes an existing Module object exists with properties // meant to overwrite the default module functionality. Here @@ -34,21 +54,6 @@ 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, -s ENVIRONMENT=web or -s ENVIRONMENT=node)'); -} - // `/` should be present at the end if `scriptDirectory` is not empty var scriptDirectory = ''; function locateFile(path) { @@ -59,157 +64,67 @@ function locateFile(path) { } // Hooks that are implemented differently in different runtime environments. -var read_, - readAsync, - readBinary, - setWindowTitle; - -// Normally we don't log exceptions but instead let them bubble out the top -// level where the embedding environment (e.g. the browser) can handle -// them. -// However under v8 and node we sometimes exit the process direcly in which case -// its up to use us to log the exception before exiting. -// If we fix https://github.com/emscripten-core/emscripten/issues/15080 -// this may no longer be needed under node. -function logExceptionOnExit(e) { - if (e instanceof ExitStatus) return; - let toLog = e; - if (e && typeof e == 'object' && e.stack) { - toLog = [e, e.stack]; - } - err('exiting due to exception: ' + toLog); -} - -var fs; -var nodePath; -var requireNodeFS; +var readAsync, readBinary; if (ENVIRONMENT_IS_NODE) { - if (!(typeof process == 'object' && typeof require == '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 (ENVIRONMENT_IS_WORKER) { - scriptDirectory = require('path').dirname(scriptDirectory) + '/'; - } else { - scriptDirectory = __dirname + '/'; + 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 + ')'); } -// include: node_shell_read.js - - -requireNodeFS = () => { - // Use nodePath as the indicator for these not being initialized, - // since in some environments a global fs may have already been - // created. - if (!nodePath) { - fs = require('fs'); - nodePath = require('path'); - } -}; + // 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'); -read_ = function shell_read(filename, binary) { - requireNodeFS(); - filename = nodePath['normalize'](filename); - return fs.readFileSync(filename, binary ? undefined : 'utf8'); -}; + scriptDirectory = __dirname + '/'; +// include: node_shell_read.js readBinary = (filename) => { - var ret = read_(filename, true); - if (!ret.buffer) { - ret = new Uint8Array(ret); - } + // 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); + var ret = fs.readFileSync(filename); assert(ret.buffer); return ret; }; -readAsync = (filename, onload, onerror) => { - requireNodeFS(); - filename = nodePath['normalize'](filename); - fs.readFile(filename, function(err, data) { - if (err) onerror(err); - else onload(data.buffer); +readAsync = (filename, binary = true) => { + // See the comment in the `readBinary` function. + filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename); + return new Promise((resolve, reject) => { + fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => { + if (err) reject(err); + else resolve(binary ? data.buffer : data); + }); }); }; - // end include: node_shell_read.js - if (process['argv'].length > 1) { - thisProgram = process['argv'][1].replace(/\\/g, '/'); + if (!Module['thisProgram'] && process.argv.length > 1) { + thisProgram = process.argv[1].replace(/\\/g, '/'); } - arguments_ = process['argv'].slice(2); + arguments_ = process.argv.slice(2); if (typeof module != 'undefined') { module['exports'] = Module; } - process['on']('uncaughtException', function(ex) { - // suppress ExitStatus exceptions from showing an error - if (!(ex instanceof ExitStatus)) { - throw ex; - } - }); - - // Without this older versions of node (< v15) will log unhandled rejections - // but return 0, which is not normally the desired behaviour. This is - // not be needed with node v15 and about because it is now the default - // behaviour: - // See https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode - process['on']('unhandledRejection', function(reason) { throw reason; }); - quit_ = (status, toThrow) => { - if (keepRuntimeAlive()) { - process['exitCode'] = status; - throw toThrow; - } - logExceptionOnExit(toThrow); - process['exit'](status); + process.exitCode = status; + throw toThrow; }; - Module['inspect'] = function () { return '[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_ = function shell_read(f) { - return read(f); - }; - } - - readBinary = function readBinary(f) { - let data; - if (typeof readbuffer == 'function') { - return new Uint8Array(readbuffer(f)); - } - data = read(f, 'binary'); - assert(typeof data == 'object'); - return data; - }; - - readAsync = function readAsync(f, onload, onerror) { - setTimeout(() => onload(readBinary(f)), 0); - }; - - if (typeof scriptArgs != 'undefined') { - arguments_ = scriptArgs; - } else if (typeof arguments != 'undefined') { - arguments_ = arguments; - } - - if (typeof quit == 'function') { - quit_ = (status, toThrow) => { - logExceptionOnExit(toThrow); - quit(status); - }; - } - - 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). @@ -227,104 +142,80 @@ if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { // 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 { + if (scriptDirectory.startsWith('blob:')) { scriptDirectory = ''; + } else { + scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, '').lastIndexOf('/')+1); } 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) => { +if (ENVIRONMENT_IS_WORKER) { + readBinary = (url) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); + xhr.responseType = 'arraybuffer'; xhr.send(null); - return xhr.responseText; + return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); + }; } - if (ENVIRONMENT_IS_WORKER) { - readBinary = (url) => { + readAsync = (url) => { + // 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 XHR on webview if URL is a file URL. + if (isFileURI(url)) { + return new Promise((resolve, reject) => { var xhr = new XMLHttpRequest(); - xhr.open('GET', url, false); + xhr.open('GET', url, true); xhr.responseType = 'arraybuffer'; + xhr.onload = () => { + if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 + resolve(xhr.response); + return; + } + reject(xhr.status); + }; + xhr.onerror = reject; 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); - } - + }); + } + return fetch(url, { credentials: 'same-origin' }) + .then((response) => { + if (response.ok) { + return response.arrayBuffer(); + } + return Promise.reject(new Error(response.status + ' : ' + response.url)); + }) + }; // end include: web_or_worker_shell_read.js } - - setWindowTitle = (title) => document.title = title; } else { throw new Error('environment detection error'); } var out = Module['print'] || console.log.bind(console); -var err = Module['printErr'] || console.warn.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. +// reclaim data used. 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']; -if (!Object.getOwnPropertyDescriptor(Module, 'arguments')) { - Object.defineProperty(Module, 'arguments', { - configurable: true, - get: function() { - abort('Module.arguments has been replaced with plain arguments_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} - -if (Module['thisProgram']) thisProgram = Module['thisProgram']; -if (!Object.getOwnPropertyDescriptor(Module, 'thisProgram')) { - Object.defineProperty(Module, 'thisProgram', { - configurable: true, - get: function() { - abort('Module.thisProgram has been replaced with plain thisProgram (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} +if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_'); -if (Module['quit']) quit_ = Module['quit']; -if (!Object.getOwnPropertyDescriptor(Module, 'quit')) { - Object.defineProperty(Module, 'quit', { - configurable: true, - get: function() { - abort('Module.quit has been replaced with plain quit_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} +if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram'); // 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. @@ -332,266 +223,30 @@ assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memor 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['read'] == 'undefined', 'Module.read option was removed'); assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); -assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)'); +assert(typeof Module['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'); - -if (!Object.getOwnPropertyDescriptor(Module, 'read')) { - Object.defineProperty(Module, 'read', { - configurable: true, - get: function() { - abort('Module.read has been replaced with plain read_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} - -if (!Object.getOwnPropertyDescriptor(Module, 'readAsync')) { - Object.defineProperty(Module, 'readAsync', { - configurable: true, - get: function() { - abort('Module.readAsync has been replaced with plain readAsync (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} - -if (!Object.getOwnPropertyDescriptor(Module, 'readBinary')) { - Object.defineProperty(Module, 'readBinary', { - configurable: true, - get: function() { - abort('Module.readBinary has been replaced with plain readBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} - -if (!Object.getOwnPropertyDescriptor(Module, 'setWindowTitle')) { - Object.defineProperty(Module, 'setWindowTitle', { - configurable: true, - get: function() { - abort('Module.setWindowTitle has been replaced with plain setWindowTitle (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} +legacyModuleProp('asm', 'wasmExports'); +legacyModuleProp('readAsync', 'readAsync'); +legacyModuleProp('readBinary', 'readBinary'); +legacyModuleProp('setWindowTitle', 'setWindowTitle'); var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js'; var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js'; var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js'; -var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; - - -assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-s ENVIRONMENT` to enable."); - - - - -var STACK_ALIGN = 16; -var POINTER_SIZE = 4; - -function getNativeTypeSize(type) { - switch (type) { - case 'i1': case 'i8': return 1; - case 'i16': return 2; - case 'i32': return 4; - case 'i64': return 8; - case 'float': return 4; - case 'double': return 8; - default: { - if (type[type.length - 1] === '*') { - return POINTER_SIZE; - } else if (type[0] === 'i') { - const bits = Number(type.substr(1)); - assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); - return bits / 8; - } else { - return 0; - } - } - } -} - -function warnOnce(text) { - if (!warnOnce.shown) warnOnce.shown = {}; - if (!warnOnce.shown[text]) { - warnOnce.shown[text] = 1; - err(text); - } -} - -// include: runtime_functions.js - - -// Wraps a JS function as a wasm function with a given signature. -function convertJsFunctionToWasm(func, sig) { - - // If the type reflection proposal is available, use the new - // "WebAssembly.Function" constructor. - // Otherwise, construct a minimal wasm module importing the JS function and - // re-exporting it. - if (typeof WebAssembly.Function == "function") { - var typeNames = { - 'i': 'i32', - 'j': 'i64', - 'f': 'f32', - 'd': 'f64' - }; - var type = { - parameters: [], - results: sig[0] == 'v' ? [] : [typeNames[sig[0]]] - }; - for (var i = 1; i < sig.length; ++i) { - type.parameters.push(typeNames[sig[i]]); - } - return new WebAssembly.Function(type, func); - } - - // The module is static, with the exception of the type section, which is - // generated based on the signature passed in. - var typeSection = [ - 0x01, // id: section, - 0x00, // length: 0 (placeholder) - 0x01, // count: 1 - 0x60, // form: func - ]; - var sigRet = sig.slice(0, 1); - var sigParam = sig.slice(1); - var typeCodes = { - 'i': 0x7f, // i32 - 'j': 0x7e, // i64 - 'f': 0x7d, // f32 - 'd': 0x7c, // f64 - }; - - // Parameters, length + signatures - typeSection.push(sigParam.length); - for (var i = 0; i < sigParam.length; ++i) { - typeSection.push(typeCodes[sigParam[i]]); - } - - // Return values, length + signatures - // With no multi-return in MVP, either 0 (void) or 1 (anything else) - if (sigRet == 'v') { - typeSection.push(0x00); - } else { - typeSection = typeSection.concat([0x01, typeCodes[sigRet]]); - } - - // Write the overall length of the type section back into the section header - // (excepting the 2 bytes for the section id and length) - typeSection[1] = typeSection.length - 2; - - // Rest of the module is static - var bytes = new Uint8Array([ - 0x00, 0x61, 0x73, 0x6d, // magic ("\0asm") - 0x01, 0x00, 0x00, 0x00, // version: 1 - ].concat(typeSection, [ - 0x02, 0x07, // import section - // (import "e" "f" (func 0 (type 0))) - 0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00, - 0x07, 0x05, // export section - // (export "f" (func 0 (type 0))) - 0x01, 0x01, 0x66, 0x00, 0x00, - ])); - - // We can compile this wasm module synchronously because it is very small. - // This accepts an import (at "e.f"), that it reroutes to an export (at "f") - var module = new WebAssembly.Module(bytes); - var instance = new WebAssembly.Instance(module, { - 'e': { - 'f': func - } - }); - var wrappedFunc = instance.exports['f']; - return wrappedFunc; -} - -var freeTableIndexes = []; - -// Weak map of functions in the table to their indexes, created on first use. -var functionsInTableMap; - -function getEmptyTableSlot() { - // Reuse a free index if there is one, otherwise grow. - if (freeTableIndexes.length) { - return freeTableIndexes.pop(); - } - // Grow the table - try { - wasmTable.grow(1); - } catch (err) { - if (!(err instanceof RangeError)) { - throw err; - } - throw 'Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.'; - } - return wasmTable.length - 1; -} - -function updateTableMap(offset, count) { - for (var i = offset; i < offset + count; i++) { - var item = getWasmTableEntry(i); - // Ignore null values. - if (item) { - functionsInTableMap.set(item, i); - } - } -} - -/** - * Add a function to the table. - * 'sig' parameter is required if the function being added is a JS function. - * @param {string=} sig - */ -function addFunction(func, sig) { - assert(typeof func != 'undefined'); - - // Check if the function is already in the table, to ensure each function - // gets a unique index. First, create the map if this is the first use. - if (!functionsInTableMap) { - functionsInTableMap = new WeakMap(); - updateTableMap(0, wasmTable.length); - } - if (functionsInTableMap.has(func)) { - return functionsInTableMap.get(func); - } - - // It's not in the table, add it now. +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 ret = getEmptyTableSlot(); - - // Set the new value. - try { - // Attempting to call this with JS function will cause of table.set() to fail - setWasmTableEntry(ret, func); - } catch (err) { - if (!(err instanceof TypeError)) { - throw err; - } - assert(typeof sig != 'undefined', 'Missing signature argument to addFunction: ' + func); - var wrapped = convertJsFunctionToWasm(func, sig); - setWasmTableEntry(ret, wrapped); - } - - functionsInTableMap.set(func, ret); - - return ret; -} - -function removeFunction(index) { - functionsInTableMap.delete(getWasmTableEntry(index)); - freeTableIndexes.push(index); -} - -// end include: runtime_functions.js -// include: runtime_debug.js - - -// end include: runtime_debug.js -var tempRet0 = 0; -var setTempRet0 = (value) => { tempRet0 = value; }; -var getTempRet0 = () => tempRet0; +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: @@ -602,73 +257,12 @@ var getTempRet0 = () => tempRet0; // 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']; -if (!Object.getOwnPropertyDescriptor(Module, 'wasmBinary')) { - Object.defineProperty(Module, 'wasmBinary', { - configurable: true, - get: function() { - abort('Module.wasmBinary has been replaced with plain wasmBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} -var noExitRuntime = Module['noExitRuntime'] || true; -if (!Object.getOwnPropertyDescriptor(Module, 'noExitRuntime')) { - Object.defineProperty(Module, 'noExitRuntime', { - configurable: true, - get: function() { - abort('Module.noExitRuntime has been replaced with plain noExitRuntime (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} +var wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary'); if (typeof WebAssembly != 'object') { - abort('no native wasm support detected'); + err('no native wasm support detected'); } -// include: runtime_safe_heap.js - - -// In MINIMAL_RUNTIME, setValue() and getValue() are only available when building with safe heap enabled, for heap safety checking. -// In traditional runtime, setValue() and getValue() are always available (although their use is highly discouraged due to perf penalties) - -/** @param {number} ptr - @param {number} value - @param {string} type - @param {number|boolean=} noSafe */ -function setValue(ptr, value, type = 'i8', noSafe) { - if (type.charAt(type.length-1) === '*') type = 'i32'; - switch (type) { - case 'i1': HEAP8[((ptr)>>0)] = value; break; - case 'i8': HEAP8[((ptr)>>0)] = value; break; - case 'i16': HEAP16[((ptr)>>1)] = value; break; - case 'i32': HEAP32[((ptr)>>2)] = value; break; - case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)] = tempI64[0],HEAP32[(((ptr)+(4))>>2)] = tempI64[1]); break; - case 'float': HEAPF32[((ptr)>>2)] = value; break; - case 'double': HEAPF64[((ptr)>>3)] = value; break; - default: abort('invalid type for setValue: ' + type); - } -} - -/** @param {number} ptr - @param {string} type - @param {number|boolean=} noSafe */ -function getValue(ptr, type = 'i8', noSafe) { - if (type.charAt(type.length-1) === '*') type = 'i32'; - switch (type) { - case 'i1': return HEAP8[((ptr)>>0)]; - case 'i8': return HEAP8[((ptr)>>0)]; - case 'i16': return HEAP16[((ptr)>>1)]; - case 'i32': return HEAP32[((ptr)>>2)]; - case 'i64': return HEAP32[((ptr)>>2)]; - case 'float': return HEAPF32[((ptr)>>2)]; - case 'double': return Number(HEAPF64[((ptr)>>3)]); - default: abort('invalid type for getValue: ' + type); - } - return null; -} - -// end include: runtime_safe_heap.js // Wasm globals var wasmMemory; @@ -686,6 +280,10 @@ var ABORT = false; // but only when noExitRuntime is false. var EXITSTATUS; +// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we +// don't define it at all in release modes. This matches the behaviour of +// MINIMAL_RUNTIME. +// TODO(sbc): Make this the default even without STRICT enabled. /** @type {function(*, string=)} */ function assert(condition, text) { if (!condition) { @@ -693,617 +291,96 @@ function assert(condition, text) { } } -// Returns the C function with a specified identifier (for C++, you need to do manual name mangling) -function getCFunc(ident) { - var func = Module['_' + ident]; // closure exported function - assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); - return func; -} - -// C calling interface. -/** @param {string|null=} returnType - @param {Array=} argTypes - @param {Arguments|Array=} args - @param {Object=} opts */ -function ccall(ident, returnType, argTypes, args, opts) { - // For fast lookup of conversion functions - var toC = { - 'string': function(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' - var len = (str.length << 2) + 1; - ret = stackAlloc(len); - stringToUTF8(str, ret, len); - } - return ret; - }, - 'array': function(arr) { - var ret = stackAlloc(arr.length); - writeArrayToMemory(arr, ret); - return ret; - } - }; - - function convertReturnValue(ret) { - if (returnType === 'string') return UTF8ToString(ret); - if (returnType === 'boolean') return Boolean(ret); - return ret; - } - - var func = getCFunc(ident); - var cArgs = []; - var stack = 0; - assert(returnType !== 'array', 'Return type should not be "array".'); - if (args) { - for (var i = 0; i < args.length; i++) { - var converter = toC[argTypes[i]]; - if (converter) { - if (stack === 0) stack = stackSave(); - cArgs[i] = converter(args[i]); - } else { - cArgs[i] = args[i]; - } - } - } - var ret = func.apply(null, cArgs); - function onDone(ret) { - if (stack !== 0) stackRestore(stack); - return convertReturnValue(ret); - } - - ret = onDone(ret); - return ret; -} - -/** @param {string=} returnType - @param {Array=} argTypes - @param {Object=} opts */ -function cwrap(ident, returnType, argTypes, opts) { - return function() { - return ccall(ident, returnType, argTypes, arguments, opts); - } -} - // We used to include malloc/free by default in the past. Show a helpful error in // builds with assertions. function _malloc() { - abort("malloc() called but not included in the build - add '_malloc' to EXPORTED_FUNCTIONS"); + abort('malloc() called but not included in the build - add `_malloc` to EXPORTED_FUNCTIONS'); } function _free() { // Show a helpful error since we used to include free by default in the past. - abort("free() called but not included in the build - add '_free' to EXPORTED_FUNCTIONS"); -} - -// include: runtime_legacy.js - - -var ALLOC_NORMAL = 0; // Tries to use _malloc() -var ALLOC_STACK = 1; // Lives for the duration of the current function call - -/** - * allocate(): This function is no longer used by emscripten but is kept around to avoid - * breaking external users. - * You should normally not use allocate(), and instead allocate - * memory using _malloc()/stackAlloc(), initialize it with - * setValue(), and so forth. - * @param {(Uint8Array|Array)} slab: An array of data. - * @param {number=} allocator : How to allocate memory, see ALLOC_* - */ -function allocate(slab, allocator) { - var ret; - assert(typeof allocator == 'number', 'allocate no longer takes a type argument') - assert(typeof slab != 'number', 'allocate no longer takes a number as arg0') - - if (allocator == ALLOC_STACK) { - ret = stackAlloc(slab.length); - } else { - ret = abort('malloc was not included, but is needed in allocate. Adding "_malloc" to EXPORTED_FUNCTIONS should fix that. This may be a bug in the compiler, please file an issue.');; - } - - if (!slab.subarray && !slab.slice) { - slab = new Uint8Array(slab); - } - HEAPU8.set(slab, ret); - return ret; -} - -// end include: runtime_legacy.js -// include: runtime_strings.js - - -// runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime. - -// Given a pointer 'ptr' 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. - -var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; - -/** - * @param {number} idx - * @param {number=} maxBytesToRead - * @return {string} - */ -function UTF8ArrayToString(heap, 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 (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr; - - if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) { - return UTF8Decoder.decode(heap.subarray(idx, endPtr)); - } else { - 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 = heap[idx++]; - if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } - var u1 = heap[idx++] & 63; - if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } - var u2 = heap[idx++] & 63; - if ((u0 & 0xF0) == 0xE0) { - u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; - } else { - if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte 0x' + u0.toString(16) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!'); - u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heap[idx++] & 63); - } - - if (u0 < 0x10000) { - str += String.fromCharCode(u0); - } else { - var ch = u0 - 0x10000; - str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); - } - } - } - return str; -} - -// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns a -// copy of that string as a Javascript String object. -// 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 -// style or the other. -/** - * @param {number} ptr - * @param {number=} maxBytesToRead - * @return {string} - */ -function UTF8ToString(ptr, maxBytesToRead) { - ; - return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; -} - -// Copies the given Javascript String object 'str' to the given byte array at address 'outIdx', -// encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP. -// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. -// Parameters: -// str: the Javascript string to copy. -// heap: the array to copy to. Each index in this array is assumed to be one 8-byte element. -// outIdx: The starting offset in the array to begin the copying. -// maxBytesToWrite: The maximum number of bytes this function can write to the array. -// This count should include the null terminator, -// i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else. -// maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { - if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes. - 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 0x' + u.toString(16) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).'); - heap[outIdx++] = 0xF0 | (u >> 18); - heap[outIdx++] = 0x80 | ((u >> 12) & 63); - heap[outIdx++] = 0x80 | ((u >> 6) & 63); - heap[outIdx++] = 0x80 | (u & 63); - } - } - // Null-terminate the pointer to the buffer. - heap[outIdx] = 0; - return outIdx - startIdx; -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP. -// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF8(str, outPtr, maxBytesToWrite) { - assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); - return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); -} - -// Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte. -function lengthBytesUTF8(str) { - var len = 0; - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var u = str.charCodeAt(i); // possibly a lead surrogate - if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF); - if (u <= 0x7F) ++len; - else if (u <= 0x7FF) len += 2; - else if (u <= 0xFFFF) len += 3; - else len += 4; - } - return len; -} - -// end include: runtime_strings.js -// include: runtime_strings_extra.js - - -// runtime_strings_extra.js: Strings related runtime functions that are available only in regular runtime. - -// Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns -// a copy of that string as a Javascript String object. - -function AsciiToString(ptr) { - var str = ''; - while (1) { - var ch = HEAPU8[((ptr++)>>0)]; - if (!ch) return str; - str += String.fromCharCode(ch); - } -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP. - -function stringToAscii(str, outPtr) { - return writeAsciiToMemory(str, outPtr, false); -} - -// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns -// a copy of that string as a Javascript String object. - -var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined; - -function UTF16ToString(ptr, maxBytesToRead) { - assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!'); - var endPtr = ptr; - // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. - // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. - var idx = endPtr >> 1; - var maxIdx = idx + maxBytesToRead / 2; - // If maxBytesToRead is not passed explicitly, it will be undefined, and this - // will always evaluate to true. This saves on code size. - while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx; - endPtr = idx << 1; - - if (endPtr - ptr > 32 && UTF16Decoder) { - return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr)); - } else { - var str = ''; - - // If maxBytesToRead is not passed explicitly, it will be undefined, and the for-loop's condition - // will always evaluate to true. The loop is then terminated on the first null char. - for (var i = 0; !(i >= maxBytesToRead / 2); ++i) { - var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; - if (codeUnit == 0) break; - // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through. - str += String.fromCharCode(codeUnit); - } - - return str; - } -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP. -// Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write. -// Parameters: -// str: the Javascript string to copy. -// outPtr: Byte address in Emscripten HEAP where to write the string to. -// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null -// terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else. -// maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF16(str, outPtr, maxBytesToWrite) { - assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!'); - assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); - // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. - if (maxBytesToWrite === undefined) { - maxBytesToWrite = 0x7FFFFFFF; - } - if (maxBytesToWrite < 2) return 0; - maxBytesToWrite -= 2; // Null terminator. - var startPtr = outPtr; - var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length; - for (var i = 0; i < numCharsToWrite; ++i) { - // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP. - var codeUnit = str.charCodeAt(i); // possibly a lead surrogate - HEAP16[((outPtr)>>1)] = codeUnit; - outPtr += 2; - } - // Null-terminate the pointer to the HEAP. - HEAP16[((outPtr)>>1)] = 0; - return outPtr - startPtr; -} - -// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. - -function lengthBytesUTF16(str) { - return str.length*2; -} - -function UTF32ToString(ptr, maxBytesToRead) { - assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!'); - var i = 0; - - var str = ''; - // If maxBytesToRead is not passed explicitly, it will be undefined, and this - // will always evaluate to true. This saves on code size. - while (!(i >= maxBytesToRead / 4)) { - var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; - if (utf32 == 0) break; - ++i; - // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - if (utf32 >= 0x10000) { - var ch = utf32 - 0x10000; - str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); - } else { - str += String.fromCharCode(utf32); - } - } - return str; -} - -// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', -// null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP. -// Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write. -// Parameters: -// str: the Javascript string to copy. -// outPtr: Byte address in Emscripten HEAP where to write the string to. -// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null -// terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else. -// maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator. -// Returns the number of bytes written, EXCLUDING the null terminator. - -function stringToUTF32(str, outPtr, maxBytesToWrite) { - assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!'); - assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); - // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. - if (maxBytesToWrite === undefined) { - maxBytesToWrite = 0x7FFFFFFF; - } - if (maxBytesToWrite < 4) return 0; - var startPtr = outPtr; - var endPtr = startPtr + maxBytesToWrite - 4; - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var codeUnit = str.charCodeAt(i); // possibly a lead surrogate - if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { - var trailSurrogate = str.charCodeAt(++i); - codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF); - } - HEAP32[((outPtr)>>2)] = codeUnit; - outPtr += 4; - if (outPtr + 4 > endPtr) break; - } - // Null-terminate the pointer to the HEAP. - HEAP32[((outPtr)>>2)] = 0; - return outPtr - startPtr; + abort('free() called but not included in the build - add `_free` to EXPORTED_FUNCTIONS'); } -// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. - -function lengthBytesUTF32(str) { - var len = 0; - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var codeUnit = str.charCodeAt(i); - if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate. - len += 4; - } - - return len; -} - -// Allocate heap space for a JS string, and write it there. -// It is the responsibility of the caller to free() that memory. -function allocateUTF8(str) { - var size = lengthBytesUTF8(str) + 1; - var ret = abort('malloc was not included, but is needed in allocateUTF8. Adding "_malloc" to EXPORTED_FUNCTIONS should fix that. This may be a bug in the compiler, please file an issue.');; - if (ret) stringToUTF8Array(str, HEAP8, ret, size); - return ret; -} - -// Allocate stack space for a JS string, and write it there. -function allocateUTF8OnStack(str) { - var size = lengthBytesUTF8(str) + 1; - var ret = stackAlloc(size); - stringToUTF8Array(str, HEAP8, ret, size); - return ret; -} - -// Deprecated: This function should not be called because it is unsafe and does not provide -// a maximum length limit of how many bytes it is allowed to write. Prefer calling the -// function stringToUTF8Array() instead, which takes in a maximum length that can be used -// to be secure from out of bounds writes. -/** @deprecated - @param {boolean=} dontAddNull */ -function writeStringToMemory(string, buffer, dontAddNull) { - warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!'); - - var /** @type {number} */ lastChar, /** @type {number} */ end; - if (dontAddNull) { - // stringToUTF8Array always appends null. If we don't want to do that, remember the - // character that existed at the location where the null will be placed, and restore - // that after the write (below). - end = buffer + lengthBytesUTF8(string); - lastChar = HEAP8[end]; - } - stringToUTF8(string, buffer, Infinity); - if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character. -} - -function writeArrayToMemory(array, buffer) { - assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)') - HEAP8.set(array, buffer); -} - -/** @param {boolean=} dontAddNull */ -function writeAsciiToMemory(str, buffer, dontAddNull) { - for (var i = 0; i < str.length; ++i) { - assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff)); - HEAP8[((buffer++)>>0)] = str.charCodeAt(i); - } - // Null-terminate the pointer to the HEAP. - if (!dontAddNull) HEAP8[((buffer)>>0)] = 0; -} - -// end include: runtime_strings_extra.js // Memory management -function alignUp(x, multiple) { - if (x % multiple > 0) { - x += multiple - (x % multiple); - } - return x; -} - var HEAP, -/** @type {ArrayBuffer} */ - buffer, -/** @type {Int8Array} */ +/** @type {!Int8Array} */ HEAP8, -/** @type {Uint8Array} */ +/** @type {!Uint8Array} */ HEAPU8, -/** @type {Int16Array} */ +/** @type {!Int16Array} */ HEAP16, -/** @type {Uint16Array} */ +/** @type {!Uint16Array} */ HEAPU16, -/** @type {Int32Array} */ +/** @type {!Int32Array} */ HEAP32, -/** @type {Uint32Array} */ +/** @type {!Uint32Array} */ HEAPU32, -/** @type {Float32Array} */ +/** @type {!Float32Array} */ HEAPF32, -/** @type {Float64Array} */ +/** @type {!Float64Array} */ HEAPF64; -function updateGlobalBufferAndViews(buf) { - buffer = buf; - Module['HEAP8'] = HEAP8 = new Int8Array(buf); - Module['HEAP16'] = HEAP16 = new Int16Array(buf); - Module['HEAP32'] = HEAP32 = new Int32Array(buf); - Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf); - Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf); - Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf); - Module['HEAPF32'] = HEAPF32 = new Float32Array(buf); - Module['HEAPF64'] = HEAPF64 = new Float64Array(buf); +// include: runtime_shared.js +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); } +// end include: runtime_shared.js +assert(!Module['STACK_SIZE'], 'STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time') -var TOTAL_STACK = 5242880; -if (Module['TOTAL_STACK']) assert(TOTAL_STACK === Module['TOTAL_STACK'], 'the stack size can no longer be determined at runtime') - -var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216; -if (!Object.getOwnPropertyDescriptor(Module, 'INITIAL_MEMORY')) { - Object.defineProperty(Module, 'INITIAL_MEMORY', { - configurable: true, - get: function() { - abort('Module.INITIAL_MEMORY has been replaced with plain INITIAL_MEMORY (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') - } - }); -} - -assert(INITIAL_MEMORY >= TOTAL_STACK, 'INITIAL_MEMORY should be larger than TOTAL_STACK, was ' + INITIAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')'); - -// check for full engine support (use string 'subarray' to avoid closure compiler confusion) assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, 'JS engine does not provide full typed array support'); -// If memory is defined in wasm, the user can't provide it. -assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -s IMPORTED_MEMORY to define wasmMemory externally'); -assert(INITIAL_MEMORY == 16777216, 'Detected runtime INITIAL_MEMORY setting. Use -s IMPORTED_MEMORY to define wasmMemory dynamically'); +// If memory is defined in wasm, the user can't provide it, or set INITIAL_MEMORY +assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally'); +assert(!Module['INITIAL_MEMORY'], 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically'); -// include: runtime_init_table.js -// In regular non-RELOCATABLE mode the table is exported -// from the wasm module and this will be assigned once -// the exports are available. -var wasmTable; - -// end include: runtime_init_table.js // include: runtime_stack_check.js - - // Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. function writeStackCookie() { var max = _emscripten_stack_get_end(); assert((max & 3) == 0); - // The stack grows downwards - HEAP32[((max + 4)>>2)] = 0x2135467; - HEAP32[((max + 8)>>2)] = 0x89BACDFE; + // 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. - HEAP32[0] = 0x63736d65; /* 'emsc' */ + HEAPU32[((0)>>2)] = 1668509029; } function checkStackCookie() { if (ABORT) return; var max = _emscripten_stack_get_end(); - var cookie1 = HEAPU32[((max + 4)>>2)]; - var cookie2 = HEAPU32[((max + 8)>>2)]; - if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) { - abort('Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' 0x' + cookie1.toString(16)); + // 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 (HEAP32[0] !== 0x63736d65 /* 'emsc' */) abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); + 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 -s SUPPORT_BIG_ENDIAN=1 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 @@ -1311,32 +388,25 @@ var __ATEXIT__ = []; // functions called during shutdown var __ATPOSTRUN__ = []; // functions called after the main() is called var runtimeInitialized = false; -var runtimeExited = false; -var runtimeKeepaliveCounter = 0; - -function keepRuntimeAlive() { - return noExitRuntime || runtimeKeepaliveCounter > 0; -} function preRun() { - if (Module['preRun']) { if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; while (Module['preRun'].length) { addOnPreRun(Module['preRun'].shift()); } } - callRuntimeCallbacks(__ATPRERUN__); } function initRuntime() { - checkStackCookie(); assert(!runtimeInitialized); runtimeInitialized = true; + checkStackCookie(); -if (!Module["noFSInit"] && !FS.init.initialized) + +if (!Module['noFSInit'] && !FS.initialized) FS.init(); FS.ignorePermissions = false; @@ -1346,15 +416,10 @@ TTY.init(); function preMain() { checkStackCookie(); - + callRuntimeCallbacks(__ATMAIN__); } -function exitRuntime() { - checkStackCookie(); - runtimeExited = true; -} - function postRun() { checkStackCookie(); @@ -1388,8 +453,6 @@ function addOnPostRun(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 @@ -1402,7 +465,6 @@ assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_ 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 @@ -1427,16 +489,14 @@ function getUniqueRunDependency(id) { function addRunDependency(id) { runDependencies++; - if (Module['monitorRunDependencies']) { - Module['monitorRunDependencies'](runDependencies); - } + Module['monitorRunDependencies']?.(runDependencies); if (id) { assert(!runDependencyTracking[id]); runDependencyTracking[id] = 1; if (runDependencyWatcher === null && typeof setInterval != 'undefined') { // Check for missing dependencies every few seconds - runDependencyWatcher = setInterval(function() { + runDependencyWatcher = setInterval(() => { if (ABORT) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; @@ -1448,7 +508,7 @@ function addRunDependency(id) { shown = true; err('still waiting on run dependencies:'); } - err('dependency: ' + dep); + err(`dependency: ${dep}`); } if (shown) { err('(end of list)'); @@ -1463,9 +523,7 @@ function addRunDependency(id) { function removeRunDependency(id) { runDependencies--; - if (Module['monitorRunDependencies']) { - Module['monitorRunDependencies'](runDependencies); - } + Module['monitorRunDependencies']?.(runDependencies); if (id) { assert(runDependencyTracking[id]); @@ -1486,16 +544,9 @@ function removeRunDependency(id) { } } -Module["preloadedImages"] = {}; // maps url to image data -Module["preloadedAudios"] = {}; // maps url to audio data - /** @param {string|number=} what */ function abort(what) { - { - if (Module['onAbort']) { - Module['onAbort'](what); - } - } + Module['onAbort']?.(what); what = 'Aborted(' + what + ')'; // TODO(sbc): Should we remove printing and leave it up to whoever @@ -1508,12 +559,16 @@ function abort(what) { // 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 + // definition for WebAssembly.RuntimeError claims it takes no arguments even // though it can. // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. - /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what); @@ -1523,135 +578,155 @@ function abort(what) { throw e; } -// {{MEM_INITIALIZER}} - // include: memoryprofiler.js - - // end include: memoryprofiler.js // include: URIUtils.js - - // Prefix of data URIs emitted by SINGLE_FILE and related options. var dataURIPrefix = 'data:application/octet-stream;base64,'; -// Indicates whether filename is a base64 data URI. -function isDataURI(filename) { - // Prefix of data URIs emitted by SINGLE_FILE and related options. - return filename.startsWith(dataURIPrefix); -} +/** + * Indicates whether filename is a base64 data URI. + * @noinline + */ +var isDataURI = (filename) => filename.startsWith(dataURIPrefix); -// Indicates whether filename is delivered via file protocol (as opposed to http/https) -function isFileURI(filename) { - return filename.startsWith('file://'); +/** + * Indicates whether filename is delivered via file protocol (as opposed to http/https) + * @noinline + */ +var isFileURI = (filename) => filename.startsWith('file://'); +// end include: URIUtils.js +function createExportWrapper(name, nargs) { + return (...args) => { + assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`); + var f = wasmExports[name]; + assert(f, `exported native function \`${name}\` not found`); + // Only assert for too many arguments. Too few can be valid since the missing arguments will be zero filled. + assert(args.length <= nargs, `native function \`${name}\` called with ${args.length} args but expects ${nargs}`); + return f(...args); + }; } -// end include: URIUtils.js -/** @param {boolean=} fixedasm */ -function createExportWrapper(name, fixedasm) { - return function() { - var displayName = name; - var asm = fixedasm; - if (!fixedasm) { - asm = Module['asm']; - } - assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization'); - assert(!runtimeExited, 'native function `' + displayName + '` called after runtime exit (use NO_EXIT_RUNTIME to keep it alive after main() exits)'); - if (!asm[name]) { - assert(asm[name], 'exported native function `' + displayName + '` not found'); +// include: runtime_exceptions.js +// end include: runtime_exceptions.js +function findWasmBinary() { + var f = 'salam-wa.wasm'; + if (!isDataURI(f)) { + return locateFile(f); } - return asm[name].apply(null, arguments); - }; + return f; } var wasmBinaryFile; - wasmBinaryFile = 'salam-wa.wasm'; - if (!isDataURI(wasmBinaryFile)) { - wasmBinaryFile = locateFile(wasmBinaryFile); - } -function getBinary(file) { - try { - if (file == wasmBinaryFile && wasmBinary) { - return new Uint8Array(wasmBinary); - } - if (readBinary) { - return readBinary(file); - } else { - throw "both async and sync fetching of the wasm failed"; - } +function getBinarySync(file) { + if (file == wasmBinaryFile && wasmBinary) { + return new Uint8Array(wasmBinary); } - catch (err) { - abort(err); + if (readBinary) { + return readBinary(file); } + throw 'both async and sync fetching of the wasm failed'; } -function getBinaryPromise() { - // If we don't have the binary yet, try to to load it asynchronously. - // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. - // See https://github.com/github/fetch/pull/92#issuecomment-140665932 - // Cordova or Electron apps are typically loaded from a file:// url. - // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. - if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { - if (typeof fetch == 'function' - && !isFileURI(wasmBinaryFile) - ) { - return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { - if (!response['ok']) { - throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; - } - return response['arrayBuffer'](); - }).catch(function () { - return getBinary(wasmBinaryFile); - }); +function getBinaryPromise(binaryFile) { + // If we don't have the binary yet, load it asynchronously using readAsync. + if (!wasmBinary + ) { + // Fetch the binary using readAsync + return readAsync(binaryFile).then( + (response) => new Uint8Array(/** @type{!ArrayBuffer} */(response)), + // Fall back to getBinarySync if readAsync fails + () => getBinarySync(binaryFile) + ); + } + + // Otherwise, getBinarySync should be able to get it synchronously + return Promise.resolve().then(() => getBinarySync(binaryFile)); +} + +function instantiateArrayBuffer(binaryFile, imports, receiver) { + return getBinaryPromise(binaryFile).then((binary) => { + return WebAssembly.instantiate(binary, imports); + }).then(receiver, (reason) => { + err(`failed to asynchronously prepare wasm: ${reason}`); + + // Warn on some common problems. + if (isFileURI(wasmBinaryFile)) { + err(`warning: Loading from a file URI (${wasmBinaryFile}) is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing`); } - else { - if (readAsync) { - // fetch is not available or url is file => try XHR (readAsync uses XHR internally) - return new Promise(function(resolve, reject) { - readAsync(wasmBinaryFile, function(response) { resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))) }, reject) + 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); +} - // Otherwise, getBinary should be able to get it synchronously - return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); }); +function getWasmImports() { + // prepare imports + return { + 'env': wasmImports, + 'wasi_snapshot_preview1': wasmImports, + } } // Create the wasm instance. // Receives the wasm imports, returns the exports. function createWasm() { - // prepare imports - var info = { - 'env': asmLibraryArg, - 'wasi_snapshot_preview1': asmLibraryArg, - }; + var info = getWasmImports(); // Load the wasm module and create an instance of using native support in the JS engine. // handle a generated wasm instance, receiving its exports and // performing other necessary setup /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) { - var exports = instance.exports; - - Module['asm'] = exports; + wasmExports = instance.exports; - wasmMemory = Module['asm']['memory']; - assert(wasmMemory, "memory not found in wasm exports"); - // This assertion doesn't hold when emscripten is run in --post-link - // mode. - // TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode. - //assert(wasmMemory.buffer.byteLength === 16777216); - updateGlobalBufferAndViews(wasmMemory.buffer); + - wasmTable = Module['asm']['__indirect_function_table']; - assert(wasmTable, "table not found in wasm exports"); + wasmMemory = wasmExports['memory']; + + assert(wasmMemory, 'memory not found in wasm exports'); + updateMemoryViews(); - addOnInit(Module['asm']['__wasm_call_ctors']); + addOnInit(wasmExports['__wasm_call_ctors']); removeRunDependency('wasm-instantiate'); + return wasmExports; } - // we can't run yet (except in a pthread, where we have a custom sync instantiator) + // wait for the pthread pool (if any) addRunDependency('wasm-instantiate'); // Prefer streaming instantiation if available. @@ -1665,70 +740,28 @@ function createWasm() { assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?'); trueModule = null; // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. - // When the regression is fixed, can restore the above USE_PTHREADS-enabled path. + // When the regression is fixed, can restore the above PTHREADS-enabled path. receiveInstance(result['instance']); } - function instantiateArrayBuffer(receiver) { - return getBinaryPromise().then(function(binary) { - return WebAssembly.instantiate(binary, info); - }).then(function (instance) { - return instance; - }).then(receiver, function(reason) { - err('failed to asynchronously prepare wasm: ' + reason); - - // Warn on some common problems. - if (isFileURI(wasmBinaryFile)) { - err('warning: Loading from a file URI (' + wasmBinaryFile + ') is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing'); - } - abort(reason); - }); - } - - function instantiateAsync() { - if (!wasmBinary && - typeof WebAssembly.instantiateStreaming == 'function' && - !isDataURI(wasmBinaryFile) && - // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously. - !isFileURI(wasmBinaryFile) && - typeof fetch == 'function') { - return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function (response) { - // Suppress closure warning here since the upstream definition for - // instantiateStreaming only allows Promise rather than - // an actual Response. - // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed. - /** @suppress {checkTypes} */ - var result = WebAssembly.instantiateStreaming(response, info); - - return result.then( - receiveInstantiationResult, - function(reason) { - // We expect the most common failure cause to be a bad MIME type for the binary, - // in which case falling back to ArrayBuffer instantiation should work. - err('wasm streaming compile failed: ' + reason); - err('falling back to ArrayBuffer instantiation'); - return instantiateArrayBuffer(receiveInstantiationResult); - }); - }); - } else { - return instantiateArrayBuffer(receiveInstantiationResult); - } - } - // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback - // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel - // to any other async startup actions they are performing. + // to manually instantiate the Wasm module themselves. This allows pages to + // run the instantiation parallel to any other async startup actions they are + // performing. + // Also pthreads and wasm workers initialize the wasm instance through this + // path. if (Module['instantiateWasm']) { try { - var exports = Module['instantiateWasm'](info, receiveInstance); - return exports; + return Module['instantiateWasm'](info, receiveInstance); } catch(e) { - err('Module.instantiateWasm callback failed with error: ' + e); - return false; + err(`Module.instantiateWasm callback failed with error: ${e}`); + return false; } } - instantiateAsync(); + if (!wasmBinaryFile) wasmBinaryFile = findWasmBinary(); + + instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult); return {}; // no exports yet; we'll fill them in later } @@ -1736,118 +769,212 @@ function createWasm() { var tempDouble; var tempI64; -// === Body === +// include: runtime_debug.js +// Endianness check +(function() { + var h16 = new Int16Array(1); + var h8 = new Int8Array(h16.buffer); + h16[0] = 0x6373; + if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)'; +})(); -var ASM_CONSTS = { +function legacyModuleProp(prop, newName, incoming=true) { + if (!Object.getOwnPropertyDescriptor(Module, prop)) { + Object.defineProperty(Module, prop, { + configurable: true, + get() { + let extra = incoming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : ''; + abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra); -}; + } + }); + } +} + +function ignoredModuleProp(prop) { + if (Object.getOwnPropertyDescriptor(Module, prop)) { + abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`); + } +} + +// forcing the filesystem exports a few things by default +function isExportedByForceFilesystem(name) { + return name === 'FS_createPath' || + name === 'FS_createDataFile' || + name === 'FS_createPreloadedFile' || + name === 'FS_unlink' || + name === 'addRunDependency' || + // The old FS has some functionality that WasmFS lacks. + name === 'FS_createLazyFile' || + name === 'FS_createDevice' || + name === 'removeRunDependency'; +} + +function missingGlobal(sym, msg) { + if (typeof globalThis != 'undefined') { + Object.defineProperty(globalThis, sym, { + configurable: true, + get() { + warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`); + return undefined; + } + }); + } +} +missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer'); +missingGlobal('asm', 'Please use wasmExports instead'); + +function missingLibrarySymbol(sym) { + if (typeof globalThis != 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) { + Object.defineProperty(globalThis, sym, { + configurable: true, + get() { + // Can't `abort()` here because it would break code that does runtime + // checks. e.g. `if (typeof SDL === 'undefined')`. + var msg = `\`${sym}\` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line`; + // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in + // library.js, which means $name for a JS name with no prefix, or name + // for a JS name like _name. + var librarySymbol = sym; + if (!librarySymbol.startsWith('_')) { + librarySymbol = '$' + sym; + } + msg += ` (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='${librarySymbol}')`; + if (isExportedByForceFilesystem(sym)) { + msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; + } + warnOnce(msg); + return undefined; + } + }); + } + // Any symbol that is not included from the JS library is also (by definition) + // not exported on the Module object. + unexportedRuntimeSymbol(sym); +} +function unexportedRuntimeSymbol(sym) { + if (!Object.getOwnPropertyDescriptor(Module, sym)) { + Object.defineProperty(Module, sym, { + configurable: true, + get() { + var msg = `'${sym}' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)`; + if (isExportedByForceFilesystem(sym)) { + msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; + } + abort(msg); + } + }); + } +} +// Used by XXXXX_DEBUG settings to output debug messages. +function dbg(...args) { + // TODO(sbc): Make this configurable somehow. Its not always convenient for + // logging to show up as warnings. + console.warn(...args); +} +// end include: runtime_debug.js +// === Body === +// end include: preamble.js + /** @constructor */ + function ExitStatus(status) { + this.name = 'ExitStatus'; + this.message = `Program terminated with exit(${status})`; + this.status = status; + } - function callRuntimeCallbacks(callbacks) { + var callRuntimeCallbacks = (callbacks) => { while (callbacks.length > 0) { - var callback = callbacks.shift(); - if (typeof callback == 'function') { - callback(Module); // Pass the module as the first argument. - continue; - } - var func = callback.func; - if (typeof func == 'number') { - if (callback.arg === undefined) { - getWasmTableEntry(func)(); - } else { - getWasmTableEntry(func)(callback.arg); - } - } else { - func(callback.arg === undefined ? null : callback.arg); - } + // Pass the module as the first argument. + callbacks.shift()(Module); } - } + }; - function withStackSave(f) { - var stack = stackSave(); - var ret = f(); - stackRestore(stack); - return ret; - } - function demangle(func) { - warnOnce('warning: build with -s DEMANGLE_SUPPORT=1 to link in libcxxabi demangling'); - return func; + + /** + * @param {number} ptr + * @param {string} type + */ + function getValue(ptr, type = 'i8') { + if (type.endsWith('*')) type = '*'; + switch (type) { + case 'i1': return HEAP8[ptr]; + case 'i8': return HEAP8[ptr]; + case 'i16': return HEAP16[((ptr)>>1)]; + case 'i32': return HEAP32[((ptr)>>2)]; + case 'i64': abort('to do getValue(i64) use WASM_BIGINT'); + case 'float': return HEAPF32[((ptr)>>2)]; + case 'double': return HEAPF64[((ptr)>>3)]; + case '*': return HEAPU32[((ptr)>>2)]; + default: abort(`invalid type for getValue: ${type}`); } + } - function demangleAll(text) { - var regex = - /\b_Z[\w\d_]+/g; - return text.replace(regex, - function(x) { - var y = demangle(x); - return x === y ? x : (y + ' [' + x + ']'); - }); - } + var noExitRuntime = Module['noExitRuntime'] || true; - var wasmTableMirror = []; - function getWasmTableEntry(funcPtr) { - var func = wasmTableMirror[funcPtr]; - if (!func) { - if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1; - wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr); - } - assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!"); - return func; - } + 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'); + }; - function 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; - } - quit_(1, e); + + /** + * @param {number} ptr + * @param {number} value + * @param {string} type + */ + function setValue(ptr, value, type = 'i8') { + if (type.endsWith('*')) type = '*'; + switch (type) { + case 'i1': HEAP8[ptr] = value; break; + case 'i8': HEAP8[ptr] = value; break; + case 'i16': HEAP16[((ptr)>>1)] = value; break; + case 'i32': HEAP32[((ptr)>>2)] = value; break; + case 'i64': abort('to do setValue(i64) use WASM_BIGINT'); + case 'float': HEAPF32[((ptr)>>2)] = value; break; + case 'double': HEAPF64[((ptr)>>3)] = value; break; + case '*': HEAPU32[((ptr)>>2)] = value; break; + default: abort(`invalid type for setValue: ${type}`); } + } - function jsStackTrace() { - var error = new Error(); - if (!error.stack) { - // IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown, - // so try that as a special-case. - try { - throw new Error(); - } catch(e) { - error = e; - } - if (!error.stack) { - return '(no stack trace available)'; - } - } - return error.stack.toString(); - } + var stackRestore = (val) => __emscripten_stack_restore(val); - function setWasmTableEntry(idx, func) { - wasmTable.set(idx, func); - wasmTableMirror[idx] = func; - } + var stackSave = () => _emscripten_stack_get_current(); - function stackTrace() { - var js = jsStackTrace(); - if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace'](); - return demangleAll(js); - } + var warnOnce = (text) => { + warnOnce.shown ||= {}; + if (!warnOnce.shown[text]) { + warnOnce.shown[text] = 1; + if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text; + err(text); + } + }; - function setErrNo(value) { - HEAP32[((___errno_location())>>2)] = value; - return value; + /** @suppress {duplicate } */ + function syscallGetVarargI() { + assert(SYSCALLS.varargs != undefined); + // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number. + var ret = HEAP32[((+SYSCALLS.varargs)>>2)]; + SYSCALLS.varargs += 4; + return ret; } - - var PATH = {splitPath:function(filename) { + var syscallGetVarargP = syscallGetVarargI; + + + var PATH = { + isAbs:(path) => path.charAt(0) === '/', + splitPath:(filename) => { var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; return splitPathRe.exec(filename).slice(1); - },normalizeArray:function(parts, allowAboveRoot) { + }, + 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--) { @@ -1869,13 +996,12 @@ var ASM_CONSTS = { } } return parts; - },normalize:function(path) { - var isAbsolute = path.charAt(0) === '/', + }, + normalize:(path) => { + var isAbsolute = PATH.isAbs(path), trailingSlash = path.substr(-1) === '/'; // Normalize the path - path = PATH.normalizeArray(path.split('/').filter(function(p) { - return !!p; - }), !isAbsolute).join('/'); + path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/'); if (!path && !isAbsolute) { path = '.'; } @@ -1883,7 +1009,8 @@ var ASM_CONSTS = { path += '/'; } return (isAbsolute ? '/' : '') + path; - },dirname:function(path) { + }, + dirname:(path) => { var result = PATH.splitPath(path), root = result[0], dir = result[1]; @@ -1896,7 +1023,8 @@ var ASM_CONSTS = { dir = dir.substr(0, dir.length - 1); } return root + dir; - },basename:function(path) { + }, + basename:(path) => { // EMSCRIPTEN return '/'' for '/', not an empty string if (path === '/') return '/'; path = PATH.normalize(path); @@ -1904,40 +1032,52 @@ var ASM_CONSTS = { var lastSlash = path.lastIndexOf('/'); if (lastSlash === -1) return path; return path.substr(lastSlash+1); - },extname:function(path) { - return PATH.splitPath(path)[3]; - },join:function() { - var paths = Array.prototype.slice.call(arguments, 0); - return PATH.normalize(paths.join('/')); - },join2:function(l, r) { - return PATH.normalize(l + '/' + r); - }}; - - function getRandomDevice() { + }, + join:(...paths) => PATH.normalize(paths.join('/')), + join2:(l, r) => PATH.normalize(l + '/' + r), + }; + + var initRandomFill = () => { if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') { // for modern web browsers - var randomBuffer = new Uint8Array(1); - return function() { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; }; + return (view) => crypto.getRandomValues(view); } else if (ENVIRONMENT_IS_NODE) { // for nodejs with or without crypto support included try { var crypto_module = require('crypto'); - // nodejs has crypto support - return function() { return crypto_module['randomBytes'](1)[0]; }; + 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 - return function() { abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };"); }; - } - - var PATH_FS = {resolve:function() { + abort('no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: (array) => { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };'); + }; + var randomFill = (view) => { + // Lazily init on the first invocation. + return (randomFill = initRandomFill())(view); + }; + + + + var PATH_FS = { + resolve:(...args) => { var resolvedPath = '', resolvedAbsolute = false; - for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { - var path = (i >= 0) ? arguments[i] : FS.cwd(); + for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) { + var path = (i >= 0) ? args[i] : FS.cwd(); // Skip empty and invalid entries if (typeof path != 'string') { throw new TypeError('Arguments to path.resolve must be strings'); @@ -1945,15 +1085,14 @@ var ASM_CONSTS = { return ''; // an invalid portion invalidates the whole thing } resolvedPath = path + '/' + resolvedPath; - resolvedAbsolute = path.charAt(0) === '/'; + 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(function(p) { - return !!p; - }), !resolvedAbsolute).join('/'); + resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter((p) => !!p), !resolvedAbsolute).join('/'); return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; - },relative:function(from, to) { + }, + relative:(from, to) => { from = PATH_FS.resolve(from).substr(1); to = PATH_FS.resolve(to).substr(1); function trim(arr) { @@ -1984,18 +1123,203 @@ var ASM_CONSTS = { } outputParts = outputParts.concat(toParts.slice(samePartsLength)); return outputParts.join('/'); - }}; - - var TTY = {ttys:[],init:function () { + }, + }; + + + var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder() : 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', `stringToUTF8Array expects a string (got ${typeof str})`); + // Parameter maxBytesToWrite is not optional. Negative values, 0, null, + // undefined and false each don't write out any bytes. + if (!(maxBytesToWrite > 0)) + return 0; + + var startIdx = outIdx; + var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code + // unit, not a Unicode code point of the character! So decode + // UTF16->UTF32->UTF8. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description + // and https://www.ietf.org/rfc/rfc2279.txt + // and https://tools.ietf.org/html/rfc3629 + var u = str.charCodeAt(i); // possibly a lead surrogate + if (u >= 0xD800 && u <= 0xDFFF) { + var u1 = str.charCodeAt(++i); + u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); + } + if (u <= 0x7F) { + if (outIdx >= endIdx) break; + heap[outIdx++] = u; + } else if (u <= 0x7FF) { + if (outIdx + 1 >= endIdx) break; + heap[outIdx++] = 0xC0 | (u >> 6); + heap[outIdx++] = 0x80 | (u & 63); + } else if (u <= 0xFFFF) { + if (outIdx + 2 >= endIdx) break; + heap[outIdx++] = 0xE0 | (u >> 12); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } else { + if (outIdx + 3 >= endIdx) break; + if (u > 0x10FFFF) warnOnce('Invalid Unicode code point ' + ptrToString(u) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).'); + heap[outIdx++] = 0xF0 | (u >> 18); + heap[outIdx++] = 0x80 | ((u >> 12) & 63); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } + } + // Null-terminate the pointer to the buffer. + heap[outIdx] = 0; + return outIdx - startIdx; + }; + /** @type {function(string, boolean=, number=)} */ + function intArrayFromString(stringy, dontAddNull, length) { + var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; + var u8array = new Array(len); + var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); + if (dontAddNull) u8array.length = numBytesWritten; + return u8array; + } + var FS_stdin_getChar = () => { + if (!FS_stdin_getChar_buffer.length) { + var result = null; + if (ENVIRONMENT_IS_NODE) { + // we will read data by chunks of BUFSIZE + var BUFSIZE = 256; + var buf = Buffer.alloc(BUFSIZE); + var bytesRead = 0; + + // For some reason we must suppress a closure warning here, even though + // fd definitely exists on process.stdin, and is even the proper way to + // get the fd of stdin, + // https://github.com/nodejs/help/issues/2136#issuecomment-523649904 + // This started to happen after moving this logic out of library_tty.js, + // so it is related to the surrounding code in some unclear manner. + /** @suppress {missingProperties} */ + var fd = process.stdin.fd; + + try { + bytesRead = fs.readSync(fd, buf, 0, BUFSIZE); + } catch(e) { + // Cross-platform differences: on Windows, reading EOF throws an + // exception, but on other OSes, reading EOF returns 0. Uniformize + // behavior by treating the EOF exception to return 0. + if (e.toString().includes('EOF')) bytesRead = 0; + else throw e; + } + + if (bytesRead > 0) { + result = buf.slice(0, bytesRead).toString('utf-8'); + } + } else + if (typeof window != 'undefined' && + typeof window.prompt == 'function') { + // Browser. + result = window.prompt('Input: '); // returns null on cancel + if (result !== null) { + result += '\n'; + } + } else + {} + if (!result) { + return null; + } + FS_stdin_getChar_buffer = intArrayFromString(result, true); + } + return FS_stdin_getChar_buffer.shift(); + }; + var TTY = { + ttys:[], + init() { // https://github.com/emscripten-core/emscripten/pull/1555 // if (ENVIRONMENT_IS_NODE) { // // currently, FS.init does not distinguish if process.stdin is a file or TTY // // device, it always assumes it's a TTY device. because of this, we're forcing // // process.stdin to UTF8 encoding to at least make stdin reading compatible // // with text files until FS.init can be refactored. - // process['stdin']['setEncoding']('utf8'); + // process.stdin.setEncoding('utf8'); // } - },shutdown:function() { + }, + 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)? @@ -2003,24 +1327,30 @@ var ASM_CONSTS = { // // 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'](); + // process.stdin.pause(); // } - },register:function(dev, ops) { + }, + register(dev, ops) { TTY.ttys[dev] = { input: [], output: [], ops: ops }; FS.registerDevice(dev, TTY.stream_ops); - },stream_ops:{open:function(stream) { + }, + 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:function(stream) { + }, + close(stream) { // flush any pending line data - stream.tty.ops.flush(stream.tty); - },flush:function(stream) { - stream.tty.ops.flush(stream.tty); - },read:function(stream, buffer, offset, length, pos /* ignored */) { + 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); } @@ -2043,7 +1373,8 @@ var ASM_CONSTS = { stream.node.timestamp = Date.now(); } return bytesRead; - },write:function(stream, buffer, offset, length, pos) { + }, + write(stream, buffer, offset, length, pos) { if (!stream.tty || !stream.tty.ops.put_char) { throw new FS.ErrnoError(60); } @@ -2058,143 +1389,136 @@ var ASM_CONSTS = { stream.node.timestamp = Date.now(); } return i; - }},default_tty_ops:{get_char:function(tty) { - if (!tty.input.length) { - var result = null; - if (ENVIRONMENT_IS_NODE) { - // we will read data by chunks of BUFSIZE - var BUFSIZE = 256; - var buf = Buffer.alloc(BUFSIZE); - var bytesRead = 0; - - try { - bytesRead = fs.readSync(process.stdin.fd, buf, 0, BUFSIZE, -1); - } catch(e) { - // Cross-platform differences: on Windows, reading EOF throws an exception, but on other OSes, - // reading EOF returns 0. Uniformize behavior by treating the EOF exception to return 0. - if (e.toString().includes('EOF')) bytesRead = 0; - else throw e; - } - - if (bytesRead > 0) { - result = buf.slice(0, bytesRead).toString('utf-8'); - } else { - result = null; - } - } else - if (typeof window != 'undefined' && - typeof window.prompt == 'function') { - // Browser. - result = window.prompt('Input: '); // returns null on cancel - if (result !== null) { - result += '\n'; - } - } else if (typeof readline == 'function') { - // Command line. - result = readline(); - if (result !== null) { - result += '\n'; - } - } - if (!result) { - return null; - } - tty.input = intArrayFromString(result, true); - } - return tty.input.shift(); - },put_char:function(tty, val) { + }, + }, + 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. } - },flush:function(tty) { + }, + fsync(tty) { if (tty.output && tty.output.length > 0) { out(UTF8ArrayToString(tty.output, 0)); tty.output = []; } - }},default_tty1_ops:{put_char:function(tty, val) { + }, + 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); } - },flush:function(tty) { + }, + fsync(tty) { if (tty.output && tty.output.length > 0) { err(UTF8ArrayToString(tty.output, 0)); tty.output = []; } - }}}; - - function zeroMemory(address, size) { + }, + }, + }; + + + var zeroMemory = (address, size) => { HEAPU8.fill(0, address, address + size); - } - - function alignMemory(size, alignment) { + return address; + }; + + var alignMemory = (size, alignment) => { assert(alignment, "alignment argument is required"); return Math.ceil(size / alignment) * alignment; - } - function mmapAlloc(size) { + }; + var mmapAlloc = (size) => { abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported'); - } - var MEMFS = {ops_table:null,mount:function(mount) { + }; + var MEMFS = { + ops_table:null, + mount(mount) { return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0); - },createNode:function(parent, name, mode, dev) { + }, + 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 - } + 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 }, - 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: {} + stream: { + llseek: MEMFS.stream_ops.llseek + } + }, + file: { + node: { + getattr: MEMFS.node_ops.getattr, + setattr: MEMFS.node_ops.setattr }, - chrdev: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr - }, - stream: FS.chrdev_stream_ops + 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; @@ -2207,7 +1531,7 @@ var ASM_CONSTS = { // 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; + 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; @@ -2222,11 +1546,13 @@ var ASM_CONSTS = { parent.timestamp = node.timestamp; } return node; - },getFileDataAsTypedArray:function(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:function(node, newCapacity) { + }, + 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. @@ -2238,7 +1564,8 @@ var ASM_CONSTS = { var oldContents = node.contents; node.contents = new Uint8Array(newCapacity); // Allocate new storage. if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage. - },resizeFileStorage:function(node, newSize) { + }, + resizeFileStorage(node, newSize) { if (node.usedBytes == newSize) return; if (newSize == 0) { node.contents = null; // Fully decommit when requesting a resize to zero. @@ -2251,7 +1578,9 @@ var ASM_CONSTS = { } node.usedBytes = newSize; } - },node_ops:{getattr:function(node) { + }, + node_ops:{ + getattr(node) { var attr = {}; // device numbers reuse inode numbers. attr.dev = FS.isChrdev(node.mode) ? node.id : 1; @@ -2278,7 +1607,8 @@ var ASM_CONSTS = { attr.blksize = 4096; attr.blocks = Math.ceil(attr.size / attr.blksize); return attr; - },setattr:function(node, attr) { + }, + setattr(node, attr) { if (attr.mode !== undefined) { node.mode = attr.mode; } @@ -2288,11 +1618,14 @@ var ASM_CONSTS = { if (attr.size !== undefined) { MEMFS.resizeFileStorage(node, attr.size); } - },lookup:function(parent, name) { + }, + lookup(parent, name) { throw FS.genericErrors[44]; - },mknod:function(parent, name, mode, dev) { + }, + mknod(parent, name, mode, dev) { return MEMFS.createNode(parent, name, mode, dev); - },rename:function(old_node, new_dir, new_name) { + }, + 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; @@ -2312,36 +1645,40 @@ var ASM_CONSTS = { old_node.name = new_name; new_dir.contents[new_name] = old_node; new_dir.timestamp = old_node.parent.timestamp; - old_node.parent = new_dir; - },unlink:function(parent, name) { + }, + unlink(parent, name) { delete parent.contents[name]; parent.timestamp = Date.now(); - },rmdir:function(parent, name) { + }, + 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:function(node) { + }, + readdir(node) { var entries = ['.', '..']; - for (var key in node.contents) { - if (!node.contents.hasOwnProperty(key)) { - continue; - } + for (var key of Object.keys(node.contents)) { entries.push(key); } return entries; - },symlink:function(parent, newname, oldpath) { + }, + symlink(parent, newname, oldpath) { var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0); node.link = oldpath; return node; - },readlink:function(node) { + }, + readlink(node) { if (!FS.isLink(node.mode)) { throw new FS.ErrnoError(28); } return node.link; - }},stream_ops:{read:function(stream, buffer, offset, length, position) { + }, + }, + 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); @@ -2352,7 +1689,8 @@ var ASM_CONSTS = { for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]; } return size; - },write:function(stream, buffer, offset, length, position, canOwn) { + }, + 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 @@ -2362,11 +1700,11 @@ var ASM_CONSTS = { 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'); @@ -2382,7 +1720,7 @@ var ASM_CONSTS = { 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) { @@ -2395,7 +1733,8 @@ var ASM_CONSTS = { } node.usedBytes = Math.max(node.usedBytes, position + length); return length; - },llseek:function(stream, offset, whence) { + }, + llseek(stream, offset, whence) { var position = offset; if (whence === 1) { position += stream.position; @@ -2408,14 +1747,12 @@ var ASM_CONSTS = { throw new FS.ErrnoError(28); } return position; - },allocate:function(stream, offset, length) { + }, + allocate(stream, offset, length) { MEMFS.expandFileStorage(stream.node, offset + length); stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length); - },mmap:function(stream, address, length, position, prot, flags) { - if (address !== 0) { - // We don't currently support location hints for the address of the mapping - throw new FS.ErrnoError(28); - } + }, + mmap(stream, length, position, prot, flags) { if (!FS.isFile(stream.node.mode)) { throw new FS.ErrnoError(43); } @@ -2423,105 +1760,429 @@ var ASM_CONSTS = { var allocated; var contents = stream.node.contents; // Only make a new copy when MAP_PRIVATE is specified. - if (!(flags & 2) && contents.buffer === 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). + if (!(flags & 2) && contents && contents.buffer === HEAP8.buffer) { + // We can't emulate MAP_SHARED when the file is not backed by the + // buffer we're mapping to (e.g. the HEAP buffer). allocated = false; ptr = contents.byteOffset; } else { - // Try to avoid unnecessary slices. - if (position > 0 || position + length < contents.length) { - if (contents.subarray) { - contents = contents.subarray(position, position + length); - } else { - contents = Array.prototype.slice.call(contents, position, position + length); - } - } allocated = true; ptr = mmapAlloc(length); if (!ptr) { throw new FS.ErrnoError(48); } - HEAP8.set(contents, ptr); - } - return { ptr: ptr, allocated: allocated }; - },msync:function(stream, buffer, offset, length, mmapFlags) { - if (!FS.isFile(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - if (mmapFlags & 2) { - // MAP_PRIVATE calls need not to be synced back to underlying fs - return 0; + if (contents) { + // 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); + } + } + 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 ${url}`) : ''; + readAsync(url).then( + (arrayBuffer) => { + assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`); + onload(new Uint8Array(arrayBuffer)); + if (dep) removeRunDependency(dep); + }, + (err) => { + if (onerror) { + onerror(); + } else { + throw `Loading data file "${url}" failed.`; + } + } + ); + if (dep) addRunDependency(dep); + }; + + + var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => { + FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn); + }; + + var preloadPlugins = Module['preloadPlugins'] || []; + var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => { + // Ensure plugins are ready. + if (typeof Browser != 'undefined') Browser.init(); + + var handled = false; + preloadPlugins.forEach((plugin) => { + if (handled) return; + if (plugin['canHandle'](fullname)) { + plugin['handle'](byteArray, fullname, finish, onerror); + handled = true; + } + }); + return handled; + }; + var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { + // TODO we should allow people to just pass in a complete filename instead + // of parent and name being that we just join them anyways + var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent; + var dep = getUniqueRunDependency(`cp ${fullname}`); // might have several active requests for the same fullname + function processData(byteArray) { + function finish(byteArray) { + preFinish?.(); + if (!dontCreateFile) { + FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); + } + onload?.(); + removeRunDependency(dep); + } + if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => { + onerror?.(); + removeRunDependency(dep); + })) { + return; + } + finish(byteArray); + } + addRunDependency(dep); + if (typeof url == 'string') { + asyncLoad(url, processData, onerror); + } else { + processData(url); + } + }; + + var FS_modeStringToFlags = (str) => { + var flagModes = { + 'r': 0, + 'r+': 2, + 'w': 512 | 64 | 1, + 'w+': 512 | 64 | 2, + 'a': 1024 | 64 | 1, + 'a+': 1024 | 64 | 2, + }; + var flags = flagModes[str]; + if (typeof flags == 'undefined') { + throw new Error(`Unknown file open mode: ${str}`); + } + return flags; + }; + + var FS_getMode = (canRead, canWrite) => { + var mode = 0; + if (canRead) mode |= 292 | 73; + if (canWrite) mode |= 146; + return mode; + }; + + + + + + + /** + * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the + * emscripten HEAP, returns a copy of that string as a Javascript String object. + * + * @param {number} ptr + * @param {number=} maxBytesToRead - An optional length that specifies the + * maximum number of bytes to read. You can omit this parameter to scan the + * string until the first 0 byte. If maxBytesToRead is passed, and the string + * at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the + * string will cut short at that byte index (i.e. maxBytesToRead will not + * produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing + * frequent uses of UTF8ToString() with and without maxBytesToRead may throw + * JS JIT optimizations off, so it is worth to consider consistently using one + * @return {string} + */ + var UTF8ToString = (ptr, maxBytesToRead) => { + assert(typeof ptr == 'number', `UTF8ToString expects a number (got ${typeof ptr})`); + return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; + }; + + var strError = (errno) => { + return UTF8ToString(_strerror(errno)); + }; + + var ERRNO_CODES = { + 'EPERM': 63, + 'ENOENT': 44, + 'ESRCH': 71, + 'EINTR': 27, + 'EIO': 29, + 'ENXIO': 60, + 'E2BIG': 1, + 'ENOEXEC': 45, + 'EBADF': 8, + 'ECHILD': 12, + 'EAGAIN': 6, + 'EWOULDBLOCK': 6, + 'ENOMEM': 48, + 'EACCES': 2, + 'EFAULT': 21, + 'ENOTBLK': 105, + 'EBUSY': 10, + 'EEXIST': 20, + 'EXDEV': 75, + 'ENODEV': 43, + 'ENOTDIR': 54, + 'EISDIR': 31, + 'EINVAL': 28, + 'ENFILE': 41, + 'EMFILE': 33, + 'ENOTTY': 59, + 'ETXTBSY': 74, + 'EFBIG': 22, + 'ENOSPC': 51, + 'ESPIPE': 70, + 'EROFS': 69, + 'EMLINK': 34, + 'EPIPE': 64, + 'EDOM': 18, + 'ERANGE': 68, + 'ENOMSG': 49, + 'EIDRM': 24, + 'ECHRNG': 106, + 'EL2NSYNC': 156, + 'EL3HLT': 107, + 'EL3RST': 108, + 'ELNRNG': 109, + 'EUNATCH': 110, + 'ENOCSI': 111, + 'EL2HLT': 112, + 'EDEADLK': 16, + 'ENOLCK': 46, + 'EBADE': 113, + 'EBADR': 114, + 'EXFULL': 115, + 'ENOANO': 104, + 'EBADRQC': 103, + 'EBADSLT': 102, + 'EDEADLOCK': 16, + 'EBFONT': 101, + 'ENOSTR': 100, + 'ENODATA': 116, + 'ETIME': 117, + 'ENOSR': 118, + 'ENONET': 119, + 'ENOPKG': 120, + 'EREMOTE': 121, + 'ENOLINK': 47, + 'EADV': 122, + 'ESRMNT': 123, + 'ECOMM': 124, + 'EPROTO': 65, + 'EMULTIHOP': 36, + 'EDOTDOT': 125, + 'EBADMSG': 9, + 'ENOTUNIQ': 126, + 'EBADFD': 127, + 'EREMCHG': 128, + 'ELIBACC': 129, + 'ELIBBAD': 130, + 'ELIBSCN': 131, + 'ELIBMAX': 132, + 'ELIBEXEC': 133, + 'ENOSYS': 52, + 'ENOTEMPTY': 55, + 'ENAMETOOLONG': 37, + 'ELOOP': 32, + 'EOPNOTSUPP': 138, + 'EPFNOSUPPORT': 139, + 'ECONNRESET': 15, + 'ENOBUFS': 42, + 'EAFNOSUPPORT': 5, + 'EPROTOTYPE': 67, + 'ENOTSOCK': 57, + 'ENOPROTOOPT': 50, + 'ESHUTDOWN': 140, + 'ECONNREFUSED': 14, + 'EADDRINUSE': 3, + 'ECONNABORTED': 13, + 'ENETUNREACH': 40, + 'ENETDOWN': 38, + 'ETIMEDOUT': 73, + 'EHOSTDOWN': 142, + 'EHOSTUNREACH': 23, + 'EINPROGRESS': 26, + 'EALREADY': 7, + 'EDESTADDRREQ': 17, + 'EMSGSIZE': 35, + 'EPROTONOSUPPORT': 66, + 'ESOCKTNOSUPPORT': 137, + 'EADDRNOTAVAIL': 4, + 'ENETRESET': 39, + 'EISCONN': 30, + 'ENOTCONN': 53, + 'ETOOMANYREFS': 141, + 'EUSERS': 136, + 'EDQUOT': 19, + 'ESTALE': 72, + 'ENOTSUP': 138, + 'ENOMEDIUM': 148, + 'EILSEQ': 25, + 'EOVERFLOW': 61, + 'ECANCELED': 11, + 'ENOTRECOVERABLE': 56, + 'EOWNERDEAD': 62, + 'ESTRPIPE': 135, + }; + var FS = { + root:null, + mounts:[], + devices:{ + }, + streams:[], + nextInode:1, + nameTable:null, + currentPath:"/", + initialized:false, + ignorePermissions:true, + ErrnoError:class extends Error { + // We set the `name` property to be able to identify `FS.ErrnoError` + // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway. + // - when using PROXYFS, an error can come from an underlying FS + // as different FS objects have their own FS.ErrnoError each, + // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs. + // we'll use the reliable test `err.name == "ErrnoError"` instead + constructor(errno) { + super(runtimeInitialized ? strError(errno) : ''); + // TODO(sbc): Use the inline member declaration syntax once we + // support it in acorn and closure. + this.name = 'ErrnoError'; + this.errno = errno; + for (var key in ERRNO_CODES) { + if (ERRNO_CODES[key] === errno) { + this.code = key; + break; + } } - - var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); - // should we check if bytesWritten and length are the same? - return 0; - }}}; - - /** @param {boolean=} noRunDep */ - function asyncLoad(url, onload, onerror, noRunDep) { - var dep = !noRunDep ? getUniqueRunDependency('al ' + url) : ''; - readAsync(url, function(arrayBuffer) { - assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).'); - onload(new Uint8Array(arrayBuffer)); - if (dep) removeRunDependency(dep); - }, function(event) { - if (onerror) { - onerror(); - } else { - throw 'Loading data file "' + url + '" failed.'; } - }); - if (dep) addRunDependency(dep); - } - - var ERRNO_MESSAGES = {0:"Success",1:"Arg list too long",2:"Permission denied",3:"Address already in use",4:"Address not available",5:"Address family not supported by protocol family",6:"No more processes",7:"Socket already connected",8:"Bad file number",9:"Trying to read unreadable message",10:"Mount device busy",11:"Operation canceled",12:"No children",13:"Connection aborted",14:"Connection refused",15:"Connection reset by peer",16:"File locking deadlock error",17:"Destination address required",18:"Math arg out of domain of func",19:"Quota exceeded",20:"File exists",21:"Bad address",22:"File too large",23:"Host is unreachable",24:"Identifier removed",25:"Illegal byte sequence",26:"Connection already in progress",27:"Interrupted system call",28:"Invalid argument",29:"I/O error",30:"Socket is already connected",31:"Is a directory",32:"Too many symbolic links",33:"Too many open files",34:"Too many links",35:"Message too long",36:"Multihop attempted",37:"File or path name too long",38:"Network interface is not configured",39:"Connection reset by network",40:"Network is unreachable",41:"Too many open files in system",42:"No buffer space available",43:"No such device",44:"No such file or directory",45:"Exec format error",46:"No record locks available",47:"The link has been severed",48:"Not enough core",49:"No message of desired type",50:"Protocol not available",51:"No space left on device",52:"Function not implemented",53:"Socket is not connected",54:"Not a directory",55:"Directory not empty",56:"State not recoverable",57:"Socket operation on non-socket",59:"Not a typewriter",60:"No such device or address",61:"Value too large for defined data type",62:"Previous owner died",63:"Not super-user",64:"Broken pipe",65:"Protocol error",66:"Unknown protocol",67:"Protocol wrong type for socket",68:"Math result not representable",69:"Read only file system",70:"Illegal seek",71:"No such process",72:"Stale file handle",73:"Connection timed out",74:"Text file busy",75:"Cross-device link",100:"Device not a stream",101:"Bad font file fmt",102:"Invalid slot",103:"Invalid request code",104:"No anode",105:"Block device required",106:"Channel number out of range",107:"Level 3 halted",108:"Level 3 reset",109:"Link number out of range",110:"Protocol driver not attached",111:"No CSI structure available",112:"Level 2 halted",113:"Invalid exchange",114:"Invalid request descriptor",115:"Exchange full",116:"No data (for no delay io)",117:"Timer expired",118:"Out of streams resources",119:"Machine is not on the network",120:"Package not installed",121:"The object is remote",122:"Advertise error",123:"Srmount error",124:"Communication error on send",125:"Cross mount point (not really error)",126:"Given log. name not unique",127:"f.d. invalid for this operation",128:"Remote address changed",129:"Can access a needed shared lib",130:"Accessing a corrupted shared lib",131:".lib section in a.out corrupted",132:"Attempting to link in too many libs",133:"Attempting to exec a shared library",135:"Streams pipe error",136:"Too many users",137:"Socket type not supported",138:"Not supported",139:"Protocol family not supported",140:"Can't send after socket shutdown",141:"Too many references",142:"Host is down",148:"No medium (in tape drive)",156:"Level 2 not synchronized"}; - - var ERRNO_CODES = {}; - 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(FS.cwd(), path); - + }, + genericErrors:{ + }, + filesystems:null, + syncFSRequests:0, + FSStream:class { + constructor() { + // TODO(https://github.com/emscripten-core/emscripten/issues/21414): + // Use inline field declarations. + this.shared = {}; + } + get object() { + return this.node; + } + set object(val) { + this.node = val; + } + get isRead() { + return (this.flags & 2097155) !== 1; + } + get isWrite() { + return (this.flags & 2097155) !== 0; + } + get isAppend() { + return (this.flags & 1024); + } + get flags() { + return this.shared.flags; + } + set flags(val) { + this.shared.flags = val; + } + get position() { + return this.shared.position; + } + set position(val) { + this.shared.position = val; + } + }, + FSNode:class { + constructor(parent, name, mode, rdev) { + if (!parent) { + parent = this; // root node sets parent to itself + } + this.parent = parent; + this.mount = parent.mount; + this.mounted = null; + this.id = FS.nextInode++; + this.name = name; + this.mode = mode; + this.node_ops = {}; + this.stream_ops = {}; + this.rdev = rdev; + this.readMode = 292 | 73; + this.writeMode = 146; + } + get read() { + return (this.mode & this.readMode) === this.readMode; + } + set read(val) { + val ? this.mode |= this.readMode : this.mode &= ~this.readMode; + } + get write() { + return (this.mode & this.writeMode) === this.writeMode; + } + set write(val) { + val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode; + } + get isFolder() { + return FS.isDir(this.mode); + } + get isDevice() { + return FS.isChrdev(this.mode); + } + }, + lookupPath(path, opts = {}) { + path = PATH_FS.resolve(path); + if (!path) return { path: '', node: null }; - + var defaults = { follow_mount: true, recurse_count: 0 }; - for (var key in defaults) { - if (opts[key] === undefined) { - opts[key] = defaults[key]; - } - } - + opts = Object.assign(defaults, opts) + if (opts.recurse_count > 8) { // max recursive lookup of 8 throw new FS.ErrnoError(32); } - - // split the path - var parts = PATH.normalizeArray(path.split('/').filter((p) => !!p), false); - + + // 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) { @@ -2529,41 +2190,45 @@ var ASM_CONSTS = { 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 }); + + 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) => { + }, + 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; + return mount[mount.length-1] !== '/' ? `${mount}/${path}` : mount + path; } - path = path ? node.name + '/' + path : node.name; + path = path ? `${node.name}/${path}` : node.name; node = node.parent; } - },hashName:(parentid, name) => { + }, + 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) => { + }, + hashAddNode(node) { var hash = FS.hashName(node.parent.id, node.name); node.name_next = FS.nameTable[hash]; FS.nameTable[hash] = node; - },hashRemoveNode:(node) => { + }, + hashRemoveNode(node) { var hash = FS.hashName(node.parent.id, node.name); if (FS.nameTable[hash] === node) { FS.nameTable[hash] = node.name_next; @@ -2577,10 +2242,11 @@ var ASM_CONSTS = { current = current.name_next; } } - },lookupNode:(parent, name) => { + }, + lookupNode(parent, name) { var errCode = FS.mayLookup(parent); if (errCode) { - throw new FS.ErrnoError(errCode, parent); + throw new FS.ErrnoError(errCode); } var hash = FS.hashName(parent.id, name); for (var node = FS.nameTable[hash]; node; node = node.name_next) { @@ -2591,46 +2257,53 @@ var ASM_CONSTS = { } // if we failed to find it in the cache, call into the VFS return FS.lookup(parent, name); - },createNode:(parent, name, mode, rdev) => { + }, + 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) => { + }, + destroyNode(node) { FS.hashRemoveNode(node); - },isRoot:(node) => { + }, + isRoot(node) { return node === node.parent; - },isMountpoint:(node) => { + }, + isMountpoint(node) { return !!node.mounted; - },isFile:(mode) => { + }, + isFile(mode) { return (mode & 61440) === 32768; - },isDir:(mode) => { + }, + isDir(mode) { return (mode & 61440) === 16384; - },isLink:(mode) => { + }, + isLink(mode) { return (mode & 61440) === 40960; - },isChrdev:(mode) => { + }, + isChrdev(mode) { return (mode & 61440) === 8192; - },isBlkdev:(mode) => { + }, + isBlkdev(mode) { return (mode & 61440) === 24576; - },isFIFO:(mode) => { + }, + isFIFO(mode) { return (mode & 61440) === 4096; - },isSocket:(mode) => { + }, + isSocket(mode) { return (mode & 49152) === 49152; - },flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:(str) => { - var flags = FS.flagModes[str]; - if (typeof flags == 'undefined') { - throw new Error('Unknown file open mode: ' + str); - } - return flags; - },flagsToPermissionString:(flag) => { + }, + flagsToPermissionString(flag) { var perms = ['r', 'w', 'rw'][flag & 3]; if ((flag & 512)) { perms += 'w'; } return perms; - },nodePermissions:(node, perms) => { + }, + nodePermissions(node, perms) { if (FS.ignorePermissions) { return 0; } @@ -2643,19 +2316,23 @@ var ASM_CONSTS = { return 2; } return 0; - },mayLookup:(dir) => { + }, + mayLookup(dir) { + if (!FS.isDir(dir.mode)) return 54; var errCode = FS.nodePermissions(dir, 'x'); if (errCode) return errCode; if (!dir.node_ops.lookup) return 2; return 0; - },mayCreate:(dir, name) => { + }, + mayCreate(dir, name) { try { var node = FS.lookupNode(dir, name); return 20; } catch (e) { } return FS.nodePermissions(dir, 'wx'); - },mayDelete:(dir, name, isdir) => { + }, + mayDelete(dir, name, isdir) { var node; try { node = FS.lookupNode(dir, name); @@ -2679,7 +2356,8 @@ var ASM_CONSTS = { } } return 0; - },mayOpen:(node, flags) => { + }, + mayOpen(node, flags) { if (!node) { return 44; } @@ -2692,86 +2370,98 @@ var ASM_CONSTS = { } } return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); - },MAX_OPEN_FDS:4096,nextfd:(fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => { - for (var fd = fd_start; fd <= fd_end; fd++) { + }, + 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); - },getStream:(fd) => FS.streams[fd],createStream:(stream, fd_start, fd_end) => { - if (!FS.FSStream) { - FS.FSStream = /** @constructor */ function(){}; - FS.FSStream.prototype = { - object: { - get: function() { return this.node; }, - set: function(val) { this.node = val; } - }, - isRead: { - get: function() { return (this.flags & 2097155) !== 1; } - }, - isWrite: { - get: function() { return (this.flags & 2097155) !== 0; } - }, - isAppend: { - get: function() { return (this.flags & 1024); } - } - }; + }, + 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) { + assert(fd >= -1); + // clone it, so we can return an instance of FSStream stream = Object.assign(new FS.FSStream(), stream); - var fd = FS.nextfd(fd_start, fd_end); + if (fd == -1) { + fd = FS.nextfd(); + } stream.fd = fd; FS.streams[fd] = stream; return stream; - },closeStream:(fd) => { + }, + closeStream(fd) { FS.streams[fd] = null; - },chrdev_stream_ops:{open:(stream) => { + }, + dupStream(origStream, fd = -1) { + var stream = FS.createStream(origStream, fd); + stream.stream_ops?.dup?.(stream); + return stream; + }, + chrdev_stream_ops:{ + open(stream) { var device = FS.getDevice(stream.node.rdev); // override node's stream ops with the device's stream.stream_ops = device.stream_ops; // forward the open call - if (stream.stream_ops.open) { - stream.stream_ops.open(stream); - } - },llseek:() => { + 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) => { + }, + }, + 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) => { + }, + 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); + + check.push(...m.mounts); } - + return mounts; - },syncfs:(populate, callback) => { + }, + 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'); + 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) { @@ -2784,7 +2474,7 @@ var ASM_CONSTS = { doCallback(null); } }; - + // sync all mounts mounts.forEach((mount) => { if (!mount.type.syncfs) { @@ -2792,7 +2482,8 @@ var ASM_CONSTS = { } mount.type.syncfs(mount, populate, done); }); - },mount:(type, opts, mountpoint) => { + }, + mount(type, opts, mountpoint) { if (typeof type == 'string') { // The filesystem was not included, and instead we have an error // message stored in the variable. @@ -2801,85 +2492,88 @@ var ASM_CONSTS = { var root = mountpoint === '/'; var pseudo = !mountpoint; var node; - + if (root && FS.root) { throw new FS.ErrnoError(10); } else if (!root && !pseudo) { var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); - + mountpoint = lookup.path; // use the absolute path node = lookup.node; - + if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10); } - + if (!FS.isDir(node.mode)) { throw new FS.ErrnoError(54); } } - + var mount = { - type: type, - opts: opts, - mountpoint: mountpoint, + 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) => { + }, + 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) => { + }, + lookup(parent, name) { return parent.node_ops.lookup(parent, name); - },mknod:(path, mode, dev) => { + }, + mknod(path, mode, dev) { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; var name = PATH.basename(path); @@ -2894,17 +2588,20 @@ var ASM_CONSTS = { throw new FS.ErrnoError(63); } return parent.node_ops.mknod(parent, name, mode, dev); - },create:(path, mode) => { + }, + create(path, mode) { mode = mode !== undefined ? mode : 438 /* 0666 */; mode &= 4095; mode |= 32768; return FS.mknod(path, mode, 0); - },mkdir:(path, mode) => { + }, + mkdir(path, mode) { mode = mode !== undefined ? mode : 511 /* 0777 */; mode &= 511 | 512; mode |= 16384; return FS.mknod(path, mode, 0); - },mkdirTree:(path, mode) => { + }, + mkdirTree(path, mode) { var dirs = path.split('/'); var d = ''; for (var i = 0; i < dirs.length; ++i) { @@ -2916,14 +2613,16 @@ var ASM_CONSTS = { if (e.errno != 20) throw e; } } - },mkdev:(path, mode, dev) => { + }, + mkdev(path, mode, dev) { if (typeof dev == 'undefined') { dev = mode; mode = 438 /* 0666 */; } mode |= 8192; return FS.mknod(path, mode, dev); - },symlink:(oldpath, newpath) => { + }, + symlink(oldpath, newpath) { if (!PATH_FS.resolve(oldpath)) { throw new FS.ErrnoError(44); } @@ -2941,20 +2640,21 @@ var ASM_CONSTS = { throw new FS.ErrnoError(63); } return parent.node_ops.symlink(parent, newname, oldpath); - },rename:(old_path, new_path) => { + }, + 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 + + // let the errors from non existent directories percolate up lookup = FS.lookupPath(old_path, { parent: true }); old_dir = lookup.node; lookup = FS.lookupPath(new_path, { parent: true }); new_dir = lookup.node; - + if (!old_dir || !new_dir) throw new FS.ErrnoError(44); // need to be part of the same mount if (old_dir.mount !== new_dir.mount) { @@ -3015,6 +2715,9 @@ var ASM_CONSTS = { // do the underlying fs rename try { old_dir.node_ops.rename(old_node, new_dir, new_name); + // update old node (we do this here to avoid each backend + // needing to) + old_node.parent = new_dir; } catch (e) { throw e; } finally { @@ -3022,7 +2725,8 @@ var ASM_CONSTS = { // changed its name) FS.hashAddNode(old_node); } - },rmdir:(path) => { + }, + rmdir(path) { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; var name = PATH.basename(path); @@ -3039,14 +2743,16 @@ var ASM_CONSTS = { } parent.node_ops.rmdir(parent, name); FS.destroyNode(node); - },readdir:(path) => { + }, + 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) => { + }, + unlink(path) { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; if (!parent) { @@ -3069,7 +2775,8 @@ var ASM_CONSTS = { } parent.node_ops.unlink(parent, name); FS.destroyNode(node); - },readlink:(path) => { + }, + readlink(path) { var lookup = FS.lookupPath(path); var link = lookup.node; if (!link) { @@ -3079,7 +2786,8 @@ var ASM_CONSTS = { throw new FS.ErrnoError(28); } return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link)); - },stat:(path, dontFollow) => { + }, + stat(path, dontFollow) { var lookup = FS.lookupPath(path, { follow: !dontFollow }); var node = lookup.node; if (!node) { @@ -3089,9 +2797,11 @@ var ASM_CONSTS = { throw new FS.ErrnoError(63); } return node.node_ops.getattr(node); - },lstat:(path) => { + }, + lstat(path) { return FS.stat(path, true); - },chmod:(path, mode, dontFollow) => { + }, + chmod(path, mode, dontFollow) { var node; if (typeof path == 'string') { var lookup = FS.lookupPath(path, { follow: !dontFollow }); @@ -3106,15 +2816,15 @@ var ASM_CONSTS = { mode: (mode & 4095) | (node.mode & ~4095), timestamp: Date.now() }); - },lchmod:(path, mode) => { + }, + lchmod(path, mode) { FS.chmod(path, mode, true); - },fchmod:(fd, mode) => { - var stream = FS.getStream(fd); - if (!stream) { - throw new FS.ErrnoError(8); - } + }, + fchmod(fd, mode) { + var stream = FS.getStreamChecked(fd); FS.chmod(stream.node, mode); - },chown:(path, uid, gid, dontFollow) => { + }, + chown(path, uid, gid, dontFollow) { var node; if (typeof path == 'string') { var lookup = FS.lookupPath(path, { follow: !dontFollow }); @@ -3129,15 +2839,15 @@ var ASM_CONSTS = { timestamp: Date.now() // we ignore the uid / gid for now }); - },lchown:(path, uid, gid) => { + }, + lchown(path, uid, gid) { FS.chown(path, uid, gid, true); - },fchown:(fd, uid, gid) => { - var stream = FS.getStream(fd); - if (!stream) { - throw new FS.ErrnoError(8); - } + }, + fchown(fd, uid, gid) { + var stream = FS.getStreamChecked(fd); FS.chown(stream.node, uid, gid); - },truncate:(path, len) => { + }, + truncate(path, len) { if (len < 0) { throw new FS.ErrnoError(28); } @@ -3165,28 +2875,28 @@ var ASM_CONSTS = { size: len, timestamp: Date.now() }); - },ftruncate:(fd, len) => { - var stream = FS.getStream(fd); - if (!stream) { - throw new FS.ErrnoError(8); - } + }, + 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) => { + }, + 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, fd_start, fd_end) => { + }, + 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; + flags = typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags; if ((flags & 64)) { + mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode; mode = (mode & 4095) | 32768; } else { mode = 0; @@ -3240,24 +2950,24 @@ var ASM_CONSTS = { } } // do truncation if necessary - if ((flags & 512)) { + if ((flags & 512) && !created) { FS.truncate(node, 0); } // we've already handled these, don't pass down to the underlying vfs flags &= ~(128 | 512 | 131072); - + // register the stream with the filesystem var stream = FS.createStream({ - node: node, + node, path: FS.getPath(node), // we want the absolute path to the node - flags: flags, + flags, seekable: true, position: 0, stream_ops: node.stream_ops, // used by the file family libc calls (fopen, fwrite, ferror, etc.) ungotten: [], error: false - }, fd_start, fd_end); + }); // call the new stream's open function if (stream.stream_ops.open) { stream.stream_ops.open(stream); @@ -3269,7 +2979,8 @@ var ASM_CONSTS = { } } return stream; - },close:(stream) => { + }, + close(stream) { if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } @@ -3284,9 +2995,11 @@ var ASM_CONSTS = { FS.closeStream(stream.fd); } stream.fd = null; - },isClosed:(stream) => { + }, + isClosed(stream) { return stream.fd === null; - },llseek:(stream, offset, whence) => { + }, + llseek(stream, offset, whence) { if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } @@ -3299,7 +3012,9 @@ var ASM_CONSTS = { stream.position = stream.stream_ops.llseek(stream, offset, whence); stream.ungotten = []; return stream.position; - },read:(stream, buffer, offset, length, position) => { + }, + read(stream, buffer, offset, length, position) { + assert(offset >= 0); if (length < 0 || position < 0) { throw new FS.ErrnoError(28); } @@ -3324,7 +3039,9 @@ var ASM_CONSTS = { 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) => { + }, + write(stream, buffer, offset, length, position, canOwn) { + assert(offset >= 0); if (length < 0 || position < 0) { throw new FS.ErrnoError(28); } @@ -3353,7 +3070,8 @@ var ASM_CONSTS = { var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); if (!seeking) stream.position += bytesWritten; return bytesWritten; - },allocate:(stream, offset, length) => { + }, + allocate(stream, offset, length) { if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } @@ -3370,7 +3088,8 @@ var ASM_CONSTS = { throw new FS.ErrnoError(138); } stream.stream_ops.allocate(stream, offset, length); - },mmap:(stream, address, length, position, prot, flags) => { + }, + 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 @@ -3388,22 +3107,29 @@ var ASM_CONSTS = { if (!stream.stream_ops.mmap) { throw new FS.ErrnoError(43); } - return stream.stream_ops.mmap(stream, address, length, position, prot, flags); - },msync:(stream, buffer, offset, length, mmapFlags) => { - if (!stream || !stream.stream_ops.msync) { + if (!length) { + throw new FS.ErrnoError(28); + } + 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) => { + }, + 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 = {}) => { + }, + 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 + '"'); + throw new Error(`Invalid encoding type "${opts.encoding}"`); } var ret; var stream = FS.open(path, opts.flags); @@ -3418,7 +3144,8 @@ var ASM_CONSTS = { } FS.close(stream); return ret; - },writeFile:(path, data, opts = {}) => { + }, + writeFile(path, data, opts = {}) { opts.flags = opts.flags || 577; var stream = FS.open(path, opts.flags, opts.mode); if (typeof data == 'string') { @@ -3431,7 +3158,9 @@ var ASM_CONSTS = { throw new Error('Unsupported data type'); } FS.close(stream); - },cwd:() => FS.currentPath,chdir:(path) => { + }, + cwd:() => FS.currentPath, + chdir(path) { var lookup = FS.lookupPath(path, { follow: true }); if (lookup.node === null) { throw new FS.ErrnoError(44); @@ -3444,11 +3173,13 @@ var ASM_CONSTS = { throw new FS.ErrnoError(errCode); } FS.currentPath = lookup.path; - },createDefaultDirectories:() => { + }, + createDefaultDirectories() { FS.mkdir('/tmp'); FS.mkdir('/home'); FS.mkdir('/home/web_user'); - },createDefaultDevices:() => { + }, + createDefaultDevices() { // create /dev FS.mkdir('/dev'); // setup /dev/null @@ -3465,27 +3196,34 @@ var ASM_CONSTS = { FS.mkdev('/dev/tty', FS.makedev(5, 0)); FS.mkdev('/dev/tty1', FS.makedev(6, 0)); // setup /dev/[u]random - var random_device = getRandomDevice(); - FS.createDevice('/dev', 'random', random_device); - FS.createDevice('/dev', 'urandom', random_device); + // 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:() => { + }, + 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: () => { + mount() { var node = FS.createNode(proc_self, 'fd', 16384 | 511 /* 0777 */, 73); node.node_ops = { - lookup: (parent, name) => { + lookup(parent, name) { var fd = +name; - var stream = FS.getStream(fd); - if (!stream) throw new FS.ErrnoError(8); + var stream = FS.getStreamChecked(fd); var ret = { parent: null, mount: { mountpoint: 'fake' }, @@ -3498,100 +3236,74 @@ var ASM_CONSTS = { return node; } }, {}, '/proc/self/fd'); - },createStandardStreams:() => { + }, + createStandardStreams(input, output, error) { // 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']); + if (input) { + FS.createDevice('/dev', 'stdin', input); } else { FS.symlink('/dev/tty', '/dev/stdin'); } - if (Module['stdout']) { - FS.createDevice('/dev', 'stdout', null, Module['stdout']); + if (output) { + FS.createDevice('/dev', 'stdout', null, output); } else { FS.symlink('/dev/tty', '/dev/stdout'); } - if (Module['stderr']) { - FS.createDevice('/dev', 'stderr', null, Module['stderr']); + if (error) { + FS.createDevice('/dev', 'stderr', null, error); } else { FS.symlink('/dev/tty1', '/dev/stderr'); } - + // open default streams for the stdin, stdout and stderr devices var stdin = FS.open('/dev/stdin', 0); var stdout = FS.open('/dev/stdout', 1); var stderr = FS.open('/dev/stderr', 1); - assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')'); - assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')'); - assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')'); - },ensureErrnoError:() => { - if (FS.ErrnoError) return; - FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) { - this.node = node; - this.setErrno = /** @this{Object} */ function(errno) { - this.errno = errno; - for (var key in ERRNO_CODES) { - if (ERRNO_CODES[key] === errno) { - this.code = key; - break; - } - } - }; - this.setErrno(errno); - this.message = ERRNO_MESSAGES[errno]; - - // Try to get a maximally helpful stack trace. On Node.js, getting Error.stack - // now ensures it shows what we want. - if (this.stack) { - // Define the stack property for Node.js 4, which otherwise errors on the next line. - Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true }); - this.stack = demangleAll(this.stack); - } - }; - FS.ErrnoError.prototype = new Error(); - FS.ErrnoError.prototype.constructor = FS.ErrnoError; + assert(stdin.fd === 0, `invalid handle for stdin (${stdin.fd})`); + assert(stdout.fd === 1, `invalid handle for stdout (${stdout.fd})`); + assert(stderr.fd === 2, `invalid handle for stderr (${stderr.fd})`); + }, + staticInit() { // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info) [44].forEach((code) => { FS.genericErrors[code] = new FS.ErrnoError(code); FS.genericErrors[code].stack = ''; }); - },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(); - + }, + init(input, output, error) { + assert(!FS.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.initialized = true; + // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here - Module['stdin'] = input || Module['stdin']; - Module['stdout'] = output || Module['stdout']; - Module['stderr'] = error || Module['stderr']; - - FS.createStandardStreams(); - },quit:() => { - FS.init.initialized = false; - // Call musl-internal function to close all stdio streams, so nothing is - // left in internal buffers. - ___stdio_exit(); + input ??= Module['stdin']; + output ??= Module['stdout']; + error ??= Module['stderr']; + + FS.createStandardStreams(input, output, error); + }, + quit() { + FS.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]; @@ -3600,19 +3312,15 @@ var ASM_CONSTS = { } FS.close(stream); } - },getMode:(canRead, canWrite) => { - var mode = 0; - if (canRead) mode |= 292 | 73; - if (canWrite) mode |= 146; - return mode; - },findObject:(path, dontResolveLastLink) => { + }, + findObject(path, dontResolveLastLink) { var ret = FS.analyzePath(path, dontResolveLastLink); - if (ret.exists) { - return ret.object; - } else { + if (!ret.exists) { return null; } - },analyzePath:(path, dontResolveLastLink) => { + return ret.object; + }, + analyzePath(path, dontResolveLastLink) { // operate from within the context of the symlink's target try { var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); @@ -3639,7 +3347,8 @@ var ASM_CONSTS = { ret.error = e.errno; }; return ret; - },createPath:(parent, path, canRead, canWrite) => { + }, + createPath(parent, path, canRead, canWrite) { parent = typeof parent == 'string' ? parent : FS.getPath(parent); var parts = path.split('/').reverse(); while (parts.length) { @@ -3654,17 +3363,19 @@ var ASM_CONSTS = { parent = current; } return current; - },createFile:(parent, name, properties, canRead, canWrite) => { + }, + createFile(parent, name, properties, canRead, canWrite) { var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); - var mode = FS.getMode(canRead, canWrite); + var mode = FS_getMode(canRead, canWrite); return FS.create(path, mode); - },createDataFile:(parent, name, data, canRead, canWrite, canOwn) => { + }, + 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 mode = FS_getMode(canRead, canWrite); var node = FS.create(path, mode); if (data) { if (typeof data == 'string') { @@ -3679,25 +3390,25 @@ var ASM_CONSTS = { FS.close(stream); FS.chmod(node, mode); } - return node; - },createDevice:(parent, name, input, output) => { + }, + createDevice(parent, name, input, output) { var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); - var mode = FS.getMode(!!input, !!output); + 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) => { + open(stream) { stream.seekable = false; }, - close: (stream) => { + close(stream) { // flush any pending line data - if (output && output.buffer && output.buffer.length) { + if (output?.buffer?.length) { output(10); } }, - read: (stream, buffer, offset, length, pos /* ignored */) => { + read(stream, buffer, offset, length, pos /* ignored */) { var bytesRead = 0; for (var i = 0; i < length; i++) { var result; @@ -3718,7 +3429,7 @@ var ASM_CONSTS = { } return bytesRead; }, - write: (stream, buffer, offset, length, pos) => { + write(stream, buffer, offset, length, pos) { for (var i = 0; i < length; i++) { try { output(buffer[offset+i]); @@ -3733,131 +3444,123 @@ var ASM_CONSTS = { } }); return FS.mkdev(path, mode, dev); - },forceLoadFile:(obj) => { + }, + 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. + } else { // 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.contents = readBinary(obj.url); 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; + } + }, + createLazyFile(parent, name, url, canRead, canWrite) { + // Lazy chunked Uint8Array (implements get and length from Uint8Array). + // Actual getting is abstracted away for eventual reuse. + class LazyUint8Array { + constructor() { + this.lengthKnown = false; + this.chunks = []; // Loaded chunks. Index is the chunk number } - 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'); + get(idx) { + if (idx > this.length-1 || idx < 0) { + return undefined; } - + var chunkOffset = idx % this.chunkSize; + var chunkNum = (idx / this.chunkSize)|0; + return this.getter(chunkNum)[chunkOffset]; + } + setDataGetter(getter) { + this.getter = getter; + } + cacheLength() { + // Find length + var xhr = new XMLHttpRequest(); + xhr.open('HEAD', url, false); xhr.send(null); if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); - if (xhr.response !== undefined) { - return new Uint8Array(/** @type{Array} */(xhr.response || [])); - } else { + 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"); } - }; - 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); + + this._length = datalength; + this._chunkSize = chunkSize; + this.lengthKnown = true; + } + get length() { + if (!this.lengthKnown) { + this.cacheLength(); } - 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"); + return this._length; } - - this._length = datalength; - this._chunkSize = chunkSize; - this.lengthKnown = true; - }; + get chunkSize() { + if (!this.lengthKnown) { + this.cacheLength(); + } + return this._chunkSize; + } + } + if (typeof XMLHttpRequest != 'undefined') { if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc'; var lazyArray = new LazyUint8Array(); - 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 @@ -3871,7 +3574,7 @@ var ASM_CONSTS = { // 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; } + get: function() { return this.contents.length; } } }); // override each stream op with one that tries to force load the lazy file first @@ -3879,14 +3582,12 @@ var ASM_CONSTS = { var keys = Object.keys(node.stream_ops); keys.forEach((key) => { var fn = node.stream_ops[key]; - stream_ops[key] = function forceLoadLazyFile() { + stream_ops[key] = (...args) => { FS.forceLoadFile(node); - return fn.apply(null, arguments); + return fn(...args); }; }); - // use a custom read function - stream_ops.read = (stream, buffer, offset, length, position) => { - FS.forceLoadFile(node); + function writeChunks(stream, buffer, offset, length, position) { var contents = stream.node.contents; if (position >= contents.length) return 0; @@ -3902,124 +3603,49 @@ var ASM_CONSTS = { } } return size; - }; - node.stream_ops = stream_ops; - return node; - },createPreloadedFile:(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { - // TODO we should allow people to just pass in a complete filename instead - // of parent and name being that we just join them anyways - var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent; - var dep = getUniqueRunDependency('cp ' + fullname); // might have several active requests for the same fullname - function processData(byteArray) { - function finish(byteArray) { - if (preFinish) preFinish(); - if (!dontCreateFile) { - FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); - } - if (onload) onload(); - removeRunDependency(dep); - } - if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => { - if (onerror) onerror(); - removeRunDependency(dep); - })) { - return; - } - finish(byteArray); - } - addRunDependency(dep); - if (typeof url == 'string') { - asyncLoad(url, (byteArray) => processData(byteArray), onerror); - } else { - processData(url); - } - },indexedDB:() => { - return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; - },DB_NAME:() => { - return 'EM_FS_' + window.location.pathname; - },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths, onload, onerror) => { - onload = onload || (() => {}); - onerror = onerror || (() => {}); - var indexedDB = FS.indexedDB(); - try { - var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); - } catch (e) { - return onerror(e); } - openRequest.onupgradeneeded = () => { - out('creating db'); - var db = openRequest.result; - db.createObjectStore(FS.DB_STORE_NAME); - }; - openRequest.onsuccess = () => { - var db = openRequest.result; - var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite'); - var files = transaction.objectStore(FS.DB_STORE_NAME); - var ok = 0, fail = 0, total = paths.length; - function finish() { - if (fail == 0) onload(); else onerror(); - } - paths.forEach((path) => { - var putRequest = files.put(FS.analyzePath(path).object.contents, path); - putRequest.onsuccess = () => { ok++; if (ok + fail == total) finish() }; - putRequest.onerror = () => { fail++; if (ok + fail == total) finish() }; - }); - transaction.onerror = onerror; + // use a custom read function + stream_ops.read = (stream, buffer, offset, length, position) => { + FS.forceLoadFile(node); + return writeChunks(stream, buffer, offset, length, position) }; - openRequest.onerror = onerror; - },loadFilesFromDB:(paths, onload, onerror) => { - onload = onload || (() => {}); - onerror = onerror || (() => {}); - var indexedDB = FS.indexedDB(); - try { - var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); - } catch (e) { - return onerror(e); - } - openRequest.onupgradeneeded = onerror; // no database to load from - openRequest.onsuccess = () => { - var db = openRequest.result; - try { - var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly'); - } catch(e) { - onerror(e); - return; - } - var files = transaction.objectStore(FS.DB_STORE_NAME); - var ok = 0, fail = 0, total = paths.length; - function finish() { - if (fail == 0) onload(); else onerror(); + // 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); } - paths.forEach((path) => { - var getRequest = files.get(path); - getRequest.onsuccess = () => { - if (FS.analyzePath(path).exists) { - FS.unlink(path); - } - FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true); - ok++; - if (ok + fail == total) finish(); - }; - getRequest.onerror = () => { fail++; if (ok + fail == total) finish() }; - }); - transaction.onerror = onerror; + writeChunks(stream, HEAP8, ptr, length, position); + return { ptr, allocated: true }; }; - openRequest.onerror = onerror; - },absolutePath:() => { + node.stream_ops = stream_ops; + return node; + }, + absolutePath() { abort('FS.absolutePath has been removed; use PATH_FS.resolve instead'); - },createFolder:() => { + }, + createFolder() { abort('FS.createFolder has been removed; use FS.mkdir instead'); - },createLink:() => { + }, + createLink() { abort('FS.createLink has been removed; use FS.symlink instead'); - },joinPath:() => { + }, + joinPath() { abort('FS.joinPath has been removed; use PATH.join instead'); - },mmapAlloc:() => { + }, + mmapAlloc() { abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc'); - },standardizePath:() => { + }, + standardizePath() { abort('FS.standardizePath has been removed; use PATH.normalize instead'); - }}; - var SYSCALLS = {DEFAULT_POLLMASK:5,calculateAt:function(dirfd, path, allowEmpty) { - if (path[0] === '/') { + }, + }; + + var SYSCALLS = { + DEFAULT_POLLMASK:5, + calculateAt(dirfd, path, allowEmpty) { + if (PATH.isAbs(path)) { return path; } // relative path @@ -4027,8 +3653,7 @@ var ASM_CONSTS = { if (dirfd === -100) { dir = FS.cwd(); } else { - var dirstream = FS.getStream(dirfd); - if (!dirstream) throw new FS.ErrnoError(8); + var dirstream = SYSCALLS.getStreamFromFD(dirfd); dir = dirstream.path; } if (path.length == 0) { @@ -4038,144 +3663,67 @@ var ASM_CONSTS = { return dir; } return PATH.join2(dir, path); - },doStat:function(func, path, buf) { - try { - var stat = func(path); - } catch (e) { - if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) { - // an error occurred while trying to look up the path; we should just report ENOTDIR - return -54; - } - throw e; - } + }, + doStat(func, path, buf) { + var stat = func(path); HEAP32[((buf)>>2)] = stat.dev; - HEAP32[(((buf)+(4))>>2)] = 0; - HEAP32[(((buf)+(8))>>2)] = stat.ino; - HEAP32[(((buf)+(12))>>2)] = stat.mode; - HEAP32[(((buf)+(16))>>2)] = stat.nlink; - HEAP32[(((buf)+(20))>>2)] = stat.uid; - HEAP32[(((buf)+(24))>>2)] = stat.gid; - HEAP32[(((buf)+(28))>>2)] = stat.rdev; - HEAP32[(((buf)+(32))>>2)] = 0; - (tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]); - HEAP32[(((buf)+(48))>>2)] = 4096; - HEAP32[(((buf)+(52))>>2)] = stat.blocks; - HEAP32[(((buf)+(56))>>2)] = (stat.atime.getTime() / 1000)|0; - HEAP32[(((buf)+(60))>>2)] = 0; - HEAP32[(((buf)+(64))>>2)] = (stat.mtime.getTime() / 1000)|0; - HEAP32[(((buf)+(68))>>2)] = 0; - HEAP32[(((buf)+(72))>>2)] = (stat.ctime.getTime() / 1000)|0; - HEAP32[(((buf)+(76))>>2)] = 0; - (tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(80))>>2)] = tempI64[0],HEAP32[(((buf)+(84))>>2)] = tempI64[1]); - return 0; - },doMsync:function(addr, stream, len, flags, offset) { - var buffer = HEAPU8.slice(addr, addr + len); - FS.msync(stream, buffer, offset, len, flags); - },doMkdir:function(path, mode) { - // remove a trailing slash, if one - /a/b/ has basename of '', but - // we want to create b in the context of this function - path = PATH.normalize(path); - if (path[path.length-1] === '/') path = path.substr(0, path.length-1); - FS.mkdir(path, mode, 0); - return 0; - },doMknod:function(path, mode, dev) { - // we don't want this in the JS API as it uses mknod to create all nodes. - switch (mode & 61440) { - case 32768: - case 8192: - case 24576: - case 4096: - case 49152: - break; - default: return -28; - } - FS.mknod(path, mode, dev); - return 0; - },doReadlink:function(path, buf, bufsize) { - if (bufsize <= 0) return -28; - var ret = FS.readlink(path); - - var len = Math.min(bufsize, lengthBytesUTF8(ret)); - var endChar = HEAP8[buf+len]; - stringToUTF8(ret, buf, bufsize+1); - // readlink is one of the rare functions that write out a C string, but does never append a null to the output buffer(!) - // stringToUTF8() always appends a null byte, so restore the character under the null byte after the write. - HEAP8[buf+len] = endChar; - - return len; - },doAccess:function(path, amode) { - if (amode & ~7) { - // need a valid mode - return -28; - } - var lookup = FS.lookupPath(path, { follow: true }); - var node = lookup.node; - if (!node) { - return -44; - } - var perms = ''; - if (amode & 4) perms += 'r'; - if (amode & 2) perms += 'w'; - if (amode & 1) perms += 'x'; - if (perms /* otherwise, they've just passed F_OK */ && FS.nodePermissions(node, perms)) { - return -2; - } + 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; - },doDup:function(path, flags, suggestFD) { - var suggest = FS.getStream(suggestFD); - if (suggest) FS.close(suggest); - return FS.open(path, flags, 0, suggestFD, suggestFD).fd; - },doReadv:function(stream, iov, iovcnt, offset) { - var ret = 0; - for (var i = 0; i < iovcnt; i++) { - var ptr = HEAP32[(((iov)+(i*8))>>2)]; - var len = HEAP32[(((iov)+(i*8 + 4))>>2)]; - var curr = FS.read(stream, HEAP8,ptr, len, offset); - if (curr < 0) return -1; - ret += curr; - if (curr < len) break; // nothing more to read + }, + doMsync(addr, stream, len, flags, offset) { + if (!FS.isFile(stream.node.mode)) { + throw new FS.ErrnoError(43); } - return ret; - },doWritev:function(stream, iov, iovcnt, offset) { - var ret = 0; - for (var i = 0; i < iovcnt; i++) { - var ptr = HEAP32[(((iov)+(i*8))>>2)]; - var len = HEAP32[(((iov)+(i*8 + 4))>>2)]; - var curr = FS.write(stream, HEAP8,ptr, len, offset); - if (curr < 0) return -1; - ret += curr; + if (flags & 2) { + // MAP_PRIVATE calls need not to be synced back to underlying fs + return 0; } - return ret; - },varargs:undefined,get:function() { - assert(SYSCALLS.varargs != undefined); - SYSCALLS.varargs += 4; - var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)]; - return ret; - },getStr:function(ptr) { + var buffer = HEAPU8.slice(addr, addr + len); + FS.msync(stream, buffer, offset, len, flags); + }, + getStreamFromFD(fd) { + var stream = FS.getStreamChecked(fd); + return stream; + }, + varargs:undefined, + getStr(ptr) { var ret = UTF8ToString(ptr); return ret; - },getStreamFromFD:function(fd) { - var stream = FS.getStream(fd); - if (!stream) throw new FS.ErrnoError(8); - return stream; - },get64:function(low, high) { - if (low >= 0) assert(high === 0); - else assert(high === -1); - return low; - }}; + }, + }; function ___syscall_fcntl64(fd, cmd, varargs) { SYSCALLS.varargs = varargs; try { - + var stream = SYSCALLS.getStreamFromFD(fd); switch (cmd) { case 0: { - var arg = SYSCALLS.get(); + var arg = syscallGetVarargI(); if (arg < 0) { return -28; } + while (FS.streams[arg]) { + arg++; + } var newStream; - newStream = FS.open(stream.path, stream.flags, 0, arg); + newStream = FS.dupStream(stream, arg); return newStream.fd; } case 1: @@ -4184,66 +3732,82 @@ var ASM_CONSTS = { case 3: return stream.flags; case 4: { - var arg = SYSCALLS.get(); + var arg = syscallGetVarargI(); stream.flags |= arg; return 0; } - case 5: - /* case 5: Currently in musl F_GETLK64 has same value as F_GETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ { - - var arg = SYSCALLS.get(); + case 12: { + var arg = syscallGetVarargP(); var offset = 0; // We're always unlocked. HEAP16[(((arg)+(offset))>>1)] = 2; return 0; } - case 6: - case 7: - /* case 6: Currently in musl F_SETLK64 has same value as F_SETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ - /* case 7: Currently in musl F_SETLKW64 has same value as F_SETLKW, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ - - + case 13: + case 14: 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 fnctl() returns that, and we set errno ourselves. - setErrNo(28); - return -1; - default: { - return -28; - } } + return -28; } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw 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: + case 21509: { + if (!stream.tty) return -59; + return 0; + } case 21505: { if (!stream.tty) return -59; + if (stream.tty.ops.ioctl_tcgets) { + var termios = stream.tty.ops.ioctl_tcgets(stream); + var argp = syscallGetVarargP(); + HEAP32[((argp)>>2)] = termios.c_iflag || 0; + HEAP32[(((argp)+(4))>>2)] = termios.c_oflag || 0; + HEAP32[(((argp)+(8))>>2)] = termios.c_cflag || 0; + HEAP32[(((argp)+(12))>>2)] = termios.c_lflag || 0; + for (var i = 0; i < 32; i++) { + HEAP8[(argp + i)+(17)] = termios.c_cc[i] || 0; + } + return 0; + } return 0; } case 21510: case 21511: - case 21512: + case 21512: { + if (!stream.tty) return -59; + return 0; // no-op, not actually adjusting terminal settings + } case 21506: case 21507: case 21508: { if (!stream.tty) return -59; + if (stream.tty.ops.ioctl_tcsets) { + var argp = syscallGetVarargP(); + var c_iflag = HEAP32[((argp)>>2)]; + var c_oflag = HEAP32[(((argp)+(4))>>2)]; + var c_cflag = HEAP32[(((argp)+(8))>>2)]; + var c_lflag = HEAP32[(((argp)+(12))>>2)]; + var c_cc = [] + for (var i = 0; i < 32; i++) { + c_cc.push(HEAP8[(argp + i)+(17)]); + } + return stream.tty.ops.ioctl_tcsets(stream.tty, op, { c_iflag, c_oflag, c_cflag, c_lflag, c_cc }); + } return 0; // no-op, not actually adjusting terminal settings } case 21519: { if (!stream.tty) return -59; - var argp = SYSCALLS.get(); + var argp = syscallGetVarargP(); HEAP32[((argp)>>2)] = 0; return 0; } @@ -4252,13 +3816,19 @@ var ASM_CONSTS = { return -28; // not supported } case 21531: { - var argp = SYSCALLS.get(); + var argp = syscallGetVarargP(); return FS.ioctl(stream, op, argp); } case 21523: { // TODO: in theory we should write to the winsize struct that gets // passed in, but for now musl doesn't read anything on it if (!stream.tty) return -59; + if (stream.tty.ops.ioctl_tiocgwinsz) { + var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty); + var argp = syscallGetVarargP(); + HEAP16[((argp)>>1)] = winsize[0]; + HEAP16[(((argp)+(2))>>1)] = winsize[1]; + } return 0; } case 21524: { @@ -4268,59 +3838,65 @@ var ASM_CONSTS = { if (!stream.tty) return -59; return 0; } - default: abort('bad ioctl syscall ' + op); + case 21515: { + if (!stream.tty) return -59; + return 0; + } + default: return -28; // not supported } } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; return -e.errno; } } - function ___syscall_open(path, flags, varargs) { + + function ___syscall_openat(dirfd, path, flags, varargs) { SYSCALLS.varargs = varargs; try { - - var pathname = SYSCALLS.getStr(path); - var mode = varargs ? SYSCALLS.get() : 0; - var stream = FS.open(pathname, flags, mode); - return stream.fd; + + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + var mode = varargs ? syscallGetVarargI() : 0; + return FS.open(path, flags, mode).fd; } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; return -e.errno; } } - function _emscripten_memcpy_big(dest, src, num) { - HEAPU8.copyWithin(dest, src, src + num); - } + var __emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num); - function _emscripten_get_heap_max() { + 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. - return 2147483648; - } - - function emscripten_realloc_buffer(size) { + 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((size - buffer.byteLength + 65535) >>> 16); // .grow() takes a delta compared to the previous size - updateGlobalBufferAndViews(wasmMemory.buffer); + wasmMemory.grow(pages); // .grow() takes a delta compared to the previous size + updateMemoryViews(); return 1 /*success*/; } catch(e) { - err('emscripten_realloc_buffer: Attempted to grow heap from ' + buffer.byteLength + ' bytes to ' + size + ' bytes, but got error: ' + 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) - } - function _emscripten_resize_heap(requestedSize) { + }; + var _emscripten_resize_heap = (requestedSize) => { var oldSize = HEAPU8.length; - requestedSize = requestedSize >>> 0; - // With pthreads, races can happen (another thread might increase the size + // 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. @@ -4337,15 +3913,15 @@ var ASM_CONSTS = { // 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 = _emscripten_get_heap_max(); + var maxHeapSize = getHeapMax(); if (requestedSize > maxHeapSize) { - err('Cannot enlarge memory, asked to go up to ' + requestedSize + ' bytes, but the limit is ' + maxHeapSize + ' bytes!'); + err(`Cannot enlarge memory, requested ${requestedSize} bytes, but the limit is ${maxHeapSize} bytes!`); return false; } - + // 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) @@ -4353,25 +3929,26 @@ var ASM_CONSTS = { var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth // but limit overreserving (default to capping at +96MB overgrowth at most) overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 ); - - var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536)); - - var replacement = emscripten_realloc_buffer(newSize); + + var newSize = Math.min(maxHeapSize, alignMemory(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!'); + err(`Failed to grow the heap from ${oldSize} bytes to ${newSize} bytes, not enough memory!`); return false; - } - - var ENV = {}; + }; - function getExecutableName() { + var ENV = { + }; + + var getExecutableName = () => { return thisProgram || './this.program'; - } - function getEnvStrings() { + }; + var getEnvStrings = () => { if (!getEnvStrings.strings) { // Default values. // Browser language detection #8751 @@ -4395,617 +3972,540 @@ var ASM_CONSTS = { } var strings = []; for (var x in env) { - strings.push(x + '=' + env[x]); + strings.push(`${x}=${env[x]}`); } getEnvStrings.strings = strings; } return getEnvStrings.strings; - } - function _environ_get(__environ, environ_buf) { + }; + + var stringToAscii = (str, buffer) => { + for (var i = 0; i < str.length; ++i) { + assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff)); + HEAP8[buffer++] = str.charCodeAt(i); + } + // Null-terminate the string + HEAP8[buffer] = 0; + }; + var _environ_get = (__environ, environ_buf) => { var bufSize = 0; - getEnvStrings().forEach(function(string, i) { + getEnvStrings().forEach((string, i) => { var ptr = environ_buf + bufSize; - HEAP32[(((__environ)+(i * 4))>>2)] = ptr; - writeAsciiToMemory(string, ptr); + HEAPU32[(((__environ)+(i*4))>>2)] = ptr; + stringToAscii(string, ptr); bufSize += string.length + 1; }); return 0; - } + }; - function _environ_sizes_get(penviron_count, penviron_buf_size) { + var _environ_sizes_get = (penviron_count, penviron_buf_size) => { var strings = getEnvStrings(); - HEAP32[((penviron_count)>>2)] = strings.length; + HEAPU32[((penviron_count)>>2)] = strings.length; var bufSize = 0; - strings.forEach(function(string) { - bufSize += string.length + 1; - }); - HEAP32[((penviron_buf_size)>>2)] = bufSize; + strings.forEach((string) => bufSize += string.length + 1); + HEAPU32[((penviron_buf_size)>>2)] = bufSize; return 0; - } + }; - function _exit(status) { - // void _exit(int status); - // http://pubs.opengroup.org/onlinepubs/000095399/functions/exit.html - exit(status); - } + + var runtimeKeepaliveCounter = 0; + var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0; + var _proc_exit = (code) => { + EXITSTATUS = code; + if (!keepRuntimeAlive()) { + Module['onExit']?.(code); + ABORT = true; + } + quit_(code, new ExitStatus(code)); + }; + + /** @suppress {duplicate } */ + /** @param {boolean|number=} implicit */ + var exitJS = (status, implicit) => { + EXITSTATUS = status; + + checkUnflushedContent(); + + // if exit() was called explicitly, warn the user if the runtime isn't actually being shut down + if (keepRuntimeAlive() && !implicit) { + var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`; + err(msg); + } + + _proc_exit(status); + }; + var _exit = exitJS; function _fd_close(fd) { try { - + var stream = SYSCALLS.getStreamFromFD(fd); FS.close(stream); return 0; } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + 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 = SYSCALLS.doReadv(stream, iov, iovcnt); - HEAP32[((pnum)>>2)] = num; + var num = doReadv(stream, iov, iovcnt); + HEAPU32[((pnum)>>2)] = num; return 0; } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; return e.errno; } } - function _fd_seek(fd, offset_low, offset_high, whence, newOffset) { + + 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); - var HIGH_OFFSET = 0x100000000; // 2^32 - // use an unsigned operator on low and shift high by 32-bits - var offset = offset_high * HIGH_OFFSET + (offset_low >>> 0); - - var DOUBLE_LIMIT = 0x20000000000000; // 2^53 - // we also check for equality since DOUBLE_LIMIT + 1 == DOUBLE_LIMIT - if (offset <= -DOUBLE_LIMIT || offset >= DOUBLE_LIMIT) { - return -61; - } - FS.llseek(stream, offset, whence); - (tempI64 = [stream.position>>>0,(tempDouble=stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]); + (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 instanceof FS.ErrnoError)) throw 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 (curr < len) { + // No more space to write. + break; + } + if (typeof offset != 'undefined') { + offset += curr; + } + } + return ret; + }; + function _fd_write(fd, iov, iovcnt, pnum) { try { - - ; + var stream = SYSCALLS.getStreamFromFD(fd); - var num = SYSCALLS.doWritev(stream, iov, iovcnt); - HEAP32[((pnum)>>2)] = num; + var num = doWritev(stream, iov, iovcnt); + HEAPU32[((pnum)>>2)] = num; return 0; } catch (e) { - if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; return e.errno; } } - function _setTempRet0(val) { - setTempRet0(val); - } - - var FSNode = /** @constructor */ function(parent, name, mode, rdev) { - if (!parent) { - parent = this; // root node sets parent to itself - } - this.parent = parent; - this.mount = parent.mount; - this.mounted = null; - this.id = FS.nextInode++; - this.name = name; - this.mode = mode; - this.node_ops = {}; - this.stream_ops = {}; - this.rdev = rdev; - }; - var readMode = 292/*292*/ | 73/*73*/; - var writeMode = 146/*146*/; - Object.defineProperties(FSNode.prototype, { - read: { - get: /** @this{FSNode} */function() { - return (this.mode & readMode) === readMode; - }, - set: /** @this{FSNode} */function(val) { - val ? this.mode |= readMode : this.mode &= ~readMode; - } - }, - write: { - get: /** @this{FSNode} */function() { - return (this.mode & writeMode) === writeMode; - }, - set: /** @this{FSNode} */function(val) { - val ? this.mode |= writeMode : this.mode &= ~writeMode; - } - }, - isFolder: { - get: /** @this{FSNode} */function() { - return FS.isDir(this.mode); - } - }, - isDevice: { - get: /** @this{FSNode} */function() { - return FS.isChrdev(this.mode); - } - } - }); - FS.FSNode = FSNode; - FS.staticInit();; -ERRNO_CODES = { - 'EPERM': 63, - 'ENOENT': 44, - 'ESRCH': 71, - 'EINTR': 27, - 'EIO': 29, - 'ENXIO': 60, - 'E2BIG': 1, - 'ENOEXEC': 45, - 'EBADF': 8, - 'ECHILD': 12, - 'EAGAIN': 6, - 'EWOULDBLOCK': 6, - 'ENOMEM': 48, - 'EACCES': 2, - 'EFAULT': 21, - 'ENOTBLK': 105, - 'EBUSY': 10, - 'EEXIST': 20, - 'EXDEV': 75, - 'ENODEV': 43, - 'ENOTDIR': 54, - 'EISDIR': 31, - 'EINVAL': 28, - 'ENFILE': 41, - 'EMFILE': 33, - 'ENOTTY': 59, - 'ETXTBSY': 74, - 'EFBIG': 22, - 'ENOSPC': 51, - 'ESPIPE': 70, - 'EROFS': 69, - 'EMLINK': 34, - 'EPIPE': 64, - 'EDOM': 18, - 'ERANGE': 68, - 'ENOMSG': 49, - 'EIDRM': 24, - 'ECHRNG': 106, - 'EL2NSYNC': 156, - 'EL3HLT': 107, - 'EL3RST': 108, - 'ELNRNG': 109, - 'EUNATCH': 110, - 'ENOCSI': 111, - 'EL2HLT': 112, - 'EDEADLK': 16, - 'ENOLCK': 46, - 'EBADE': 113, - 'EBADR': 114, - 'EXFULL': 115, - 'ENOANO': 104, - 'EBADRQC': 103, - 'EBADSLT': 102, - 'EDEADLOCK': 16, - 'EBFONT': 101, - 'ENOSTR': 100, - 'ENODATA': 116, - 'ETIME': 117, - 'ENOSR': 118, - 'ENONET': 119, - 'ENOPKG': 120, - 'EREMOTE': 121, - 'ENOLINK': 47, - 'EADV': 122, - 'ESRMNT': 123, - 'ECOMM': 124, - 'EPROTO': 65, - 'EMULTIHOP': 36, - 'EDOTDOT': 125, - 'EBADMSG': 9, - 'ENOTUNIQ': 126, - 'EBADFD': 127, - 'EREMCHG': 128, - 'ELIBACC': 129, - 'ELIBBAD': 130, - 'ELIBSCN': 131, - 'ELIBMAX': 132, - 'ELIBEXEC': 133, - 'ENOSYS': 52, - 'ENOTEMPTY': 55, - 'ENAMETOOLONG': 37, - 'ELOOP': 32, - 'EOPNOTSUPP': 138, - 'EPFNOSUPPORT': 139, - 'ECONNRESET': 15, - 'ENOBUFS': 42, - 'EAFNOSUPPORT': 5, - 'EPROTOTYPE': 67, - 'ENOTSOCK': 57, - 'ENOPROTOOPT': 50, - 'ESHUTDOWN': 140, - 'ECONNREFUSED': 14, - 'EADDRINUSE': 3, - 'ECONNABORTED': 13, - 'ENETUNREACH': 40, - 'ENETDOWN': 38, - 'ETIMEDOUT': 73, - 'EHOSTDOWN': 142, - 'EHOSTUNREACH': 23, - 'EINPROGRESS': 26, - 'EALREADY': 7, - 'EDESTADDRREQ': 17, - 'EMSGSIZE': 35, - 'EPROTONOSUPPORT': 66, - 'ESOCKTNOSUPPORT': 137, - 'EADDRNOTAVAIL': 4, - 'ENETRESET': 39, - 'EISCONN': 30, - 'ENOTCONN': 53, - 'ETOOMANYREFS': 141, - 'EUSERS': 136, - 'EDQUOT': 19, - 'ESTALE': 72, - 'ENOTSUP': 138, - 'ENOMEDIUM': 148, - 'EILSEQ': 25, - 'EOVERFLOW': 61, - 'ECANCELED': 11, - 'ENOTRECOVERABLE': 56, - 'EOWNERDEAD': 62, - 'ESTRPIPE': 135, - };; -var ASSERTIONS = true; - - - -/** @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; -} -function intArrayToString(array) { - var ret = []; - for (var i = 0; i < array.length; i++) { - var chr = array[i]; - if (chr > 0xFF) { - if (ASSERTIONS) { - assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.'); + 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; } - chr &= 0xFF; - } - ret.push(String.fromCharCode(chr)); - } - return ret.join(''); -} - - -var asmLibraryArg = { - "__syscall_fcntl64": ___syscall_fcntl64, - "__syscall_ioctl": ___syscall_ioctl, - "__syscall_open": ___syscall_open, - "emscripten_memcpy_big": _emscripten_memcpy_big, - "emscripten_resize_heap": _emscripten_resize_heap, - "environ_get": _environ_get, - "environ_sizes_get": _environ_sizes_get, - "exit": _exit, - "fd_close": _fd_close, - "fd_read": _fd_read, - "fd_seek": _fd_seek, - "fd_write": _fd_write, - "setTempRet0": _setTempRet0 -}; -var asm = createWasm(); -/** @type {function(...*):?} */ -var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors"); - -/** @type {function(...*):?} */ -var _main = Module["_main"] = createExportWrapper("main"); - -/** @type {function(...*):?} */ -var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location"); - -/** @type {function(...*):?} */ -var ___stdio_exit = Module["___stdio_exit"] = createExportWrapper("__stdio_exit"); - -/** @type {function(...*):?} */ -var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() { - return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments); -}; - -/** @type {function(...*):?} */ -var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() { - return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments); -}; + checkStackCookie(); + if (e instanceof WebAssembly.RuntimeError) { + if (_emscripten_stack_get_current() <= 0) { + err('Stack overflow detected. You can try increasing -sSTACK_SIZE (currently set to 65536)'); + } + } + quit_(1, e); + }; -/** @type {function(...*):?} */ -var _emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = function() { - return (_emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments); -}; + + 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 stackAlloc = (sz) => __emscripten_stack_alloc(sz); + var stringToUTF8OnStack = (str) => { + var size = lengthBytesUTF8(str) + 1; + var ret = stackAlloc(size); + stringToUTF8(str, ret, size); + return ret; + }; -/** @type {function(...*):?} */ -var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() { - return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments); + FS.createPreloadedFile = FS_createPreloadedFile; + FS.staticInit(); + // Set module methods based on EXPORTED_RUNTIME_METHODS + ; +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 */ + environ_get: _environ_get, + /** @export */ + environ_sizes_get: _environ_sizes_get, + /** @export */ + exit: _exit, + /** @export */ + fd_close: _fd_close, + /** @export */ + fd_read: _fd_read, + /** @export */ + fd_seek: _fd_seek, + /** @export */ + fd_write: _fd_write }; - -/** @type {function(...*):?} */ -var stackSave = Module["stackSave"] = createExportWrapper("stackSave"); - -/** @type {function(...*):?} */ -var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore"); - -/** @type {function(...*):?} */ -var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc"); - -/** @type {function(...*):?} */ -var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji"); - - - - - +var wasmExports = createWasm(); +var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors', 0); +var _main = Module['_main'] = createExportWrapper('__main_argc_argv', 2); +var _fflush = createExportWrapper('fflush', 1); +var _strerror = createExportWrapper('strerror', 1); +var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports['emscripten_stack_init'])(); +var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports['emscripten_stack_get_free'])(); +var _emscripten_stack_get_base = () => (_emscripten_stack_get_base = wasmExports['emscripten_stack_get_base'])(); +var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports['emscripten_stack_get_end'])(); +var __emscripten_stack_restore = (a0) => (__emscripten_stack_restore = wasmExports['_emscripten_stack_restore'])(a0); +var __emscripten_stack_alloc = (a0) => (__emscripten_stack_alloc = wasmExports['_emscripten_stack_alloc'])(a0); +var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])(); +var dynCall_jiji = Module['dynCall_jiji'] = createExportWrapper('dynCall_jiji', 5); + + +// include: postamble.js // === Auto-generated postamble setup entry stuff === -if (!Object.getOwnPropertyDescriptor(Module, "intArrayFromString")) Module["intArrayFromString"] = () => abort("'intArrayFromString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "intArrayToString")) Module["intArrayToString"] = () => abort("'intArrayToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "ccall")) Module["ccall"] = () => abort("'ccall' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "cwrap")) Module["cwrap"] = () => abort("'cwrap' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "setValue")) Module["setValue"] = () => abort("'setValue' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getValue")) Module["getValue"] = () => abort("'getValue' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "allocate")) Module["allocate"] = () => abort("'allocate' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "UTF8ArrayToString")) Module["UTF8ArrayToString"] = () => abort("'UTF8ArrayToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "UTF8ToString")) Module["UTF8ToString"] = () => abort("'UTF8ToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF8Array")) Module["stringToUTF8Array"] = () => abort("'stringToUTF8Array' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF8")) Module["stringToUTF8"] = () => abort("'stringToUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF8")) Module["lengthBytesUTF8"] = () => abort("'lengthBytesUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stackTrace")) Module["stackTrace"] = () => abort("'stackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "addOnPreRun")) Module["addOnPreRun"] = () => abort("'addOnPreRun' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "addOnInit")) Module["addOnInit"] = () => abort("'addOnInit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "addOnPreMain")) Module["addOnPreMain"] = () => abort("'addOnPreMain' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "addOnExit")) Module["addOnExit"] = () => abort("'addOnExit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "addOnPostRun")) Module["addOnPostRun"] = () => abort("'addOnPostRun' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeStringToMemory")) Module["writeStringToMemory"] = () => abort("'writeStringToMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeArrayToMemory")) Module["writeArrayToMemory"] = () => abort("'writeArrayToMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeAsciiToMemory")) Module["writeAsciiToMemory"] = () => abort("'writeAsciiToMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "addRunDependency")) Module["addRunDependency"] = () => abort("'addRunDependency' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you"); -if (!Object.getOwnPropertyDescriptor(Module, "removeRunDependency")) Module["removeRunDependency"] = () => abort("'removeRunDependency' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you"); -if (!Object.getOwnPropertyDescriptor(Module, "FS_createFolder")) Module["FS_createFolder"] = () => abort("'FS_createFolder' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "FS_createPath")) Module["FS_createPath"] = () => abort("'FS_createPath' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you"); -if (!Object.getOwnPropertyDescriptor(Module, "FS_createDataFile")) Module["FS_createDataFile"] = () => abort("'FS_createDataFile' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you"); -if (!Object.getOwnPropertyDescriptor(Module, "FS_createPreloadedFile")) Module["FS_createPreloadedFile"] = () => abort("'FS_createPreloadedFile' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you"); -if (!Object.getOwnPropertyDescriptor(Module, "FS_createLazyFile")) Module["FS_createLazyFile"] = () => abort("'FS_createLazyFile' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you"); -if (!Object.getOwnPropertyDescriptor(Module, "FS_createLink")) Module["FS_createLink"] = () => abort("'FS_createLink' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "FS_createDevice")) Module["FS_createDevice"] = () => abort("'FS_createDevice' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you"); -if (!Object.getOwnPropertyDescriptor(Module, "FS_unlink")) Module["FS_unlink"] = () => abort("'FS_unlink' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you"); -if (!Object.getOwnPropertyDescriptor(Module, "getLEB")) Module["getLEB"] = () => abort("'getLEB' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getFunctionTables")) Module["getFunctionTables"] = () => abort("'getFunctionTables' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "alignFunctionTables")) Module["alignFunctionTables"] = () => abort("'alignFunctionTables' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerFunctions")) Module["registerFunctions"] = () => abort("'registerFunctions' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "addFunction")) Module["addFunction"] = () => abort("'addFunction' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "removeFunction")) Module["removeFunction"] = () => abort("'removeFunction' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getFuncWrapper")) Module["getFuncWrapper"] = () => abort("'getFuncWrapper' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "prettyPrint")) Module["prettyPrint"] = () => abort("'prettyPrint' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "dynCall")) Module["dynCall"] = () => abort("'dynCall' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getCompilerSetting")) Module["getCompilerSetting"] = () => abort("'getCompilerSetting' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "print")) Module["print"] = () => abort("'print' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "printErr")) Module["printErr"] = () => abort("'printErr' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getTempRet0")) Module["getTempRet0"] = () => abort("'getTempRet0' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "setTempRet0")) Module["setTempRet0"] = () => abort("'setTempRet0' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "callMain")) Module["callMain"] = () => abort("'callMain' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "abort")) Module["abort"] = () => abort("'abort' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "keepRuntimeAlive")) Module["keepRuntimeAlive"] = () => abort("'keepRuntimeAlive' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "zeroMemory")) Module["zeroMemory"] = () => abort("'zeroMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stringToNewUTF8")) Module["stringToNewUTF8"] = () => abort("'stringToNewUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "emscripten_realloc_buffer")) Module["emscripten_realloc_buffer"] = () => abort("'emscripten_realloc_buffer' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "ENV")) Module["ENV"] = () => abort("'ENV' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "withStackSave")) Module["withStackSave"] = () => abort("'withStackSave' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_CODES")) Module["ERRNO_CODES"] = () => abort("'ERRNO_CODES' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_MESSAGES")) Module["ERRNO_MESSAGES"] = () => abort("'ERRNO_MESSAGES' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "setErrNo")) Module["setErrNo"] = () => abort("'setErrNo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "inetPton4")) Module["inetPton4"] = () => abort("'inetPton4' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "inetNtop4")) Module["inetNtop4"] = () => abort("'inetNtop4' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "inetPton6")) Module["inetPton6"] = () => abort("'inetPton6' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "inetNtop6")) Module["inetNtop6"] = () => abort("'inetNtop6' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "readSockaddr")) Module["readSockaddr"] = () => abort("'readSockaddr' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeSockaddr")) Module["writeSockaddr"] = () => abort("'writeSockaddr' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "DNS")) Module["DNS"] = () => abort("'DNS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getHostByName")) Module["getHostByName"] = () => abort("'getHostByName' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "Protocols")) Module["Protocols"] = () => abort("'Protocols' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "Sockets")) Module["Sockets"] = () => abort("'Sockets' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getRandomDevice")) Module["getRandomDevice"] = () => abort("'getRandomDevice' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "traverseStack")) Module["traverseStack"] = () => abort("'traverseStack' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "convertFrameToPC")) Module["convertFrameToPC"] = () => abort("'convertFrameToPC' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "UNWIND_CACHE")) Module["UNWIND_CACHE"] = () => abort("'UNWIND_CACHE' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "saveInUnwindCache")) Module["saveInUnwindCache"] = () => abort("'saveInUnwindCache' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "convertPCtoSourceLocation")) Module["convertPCtoSourceLocation"] = () => abort("'convertPCtoSourceLocation' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgsArray")) Module["readAsmConstArgsArray"] = () => abort("'readAsmConstArgsArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgs")) Module["readAsmConstArgs"] = () => abort("'readAsmConstArgs' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "mainThreadEM_ASM")) Module["mainThreadEM_ASM"] = () => abort("'mainThreadEM_ASM' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "jstoi_q")) Module["jstoi_q"] = () => abort("'jstoi_q' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "jstoi_s")) Module["jstoi_s"] = () => abort("'jstoi_s' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getExecutableName")) Module["getExecutableName"] = () => abort("'getExecutableName' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "listenOnce")) Module["listenOnce"] = () => abort("'listenOnce' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "autoResumeAudioContext")) Module["autoResumeAudioContext"] = () => abort("'autoResumeAudioContext' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "dynCallLegacy")) Module["dynCallLegacy"] = () => abort("'dynCallLegacy' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getDynCaller")) Module["getDynCaller"] = () => abort("'getDynCaller' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "dynCall")) Module["dynCall"] = () => abort("'dynCall' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "callRuntimeCallbacks")) Module["callRuntimeCallbacks"] = () => abort("'callRuntimeCallbacks' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "wasmTableMirror")) Module["wasmTableMirror"] = () => abort("'wasmTableMirror' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "setWasmTableEntry")) Module["setWasmTableEntry"] = () => abort("'setWasmTableEntry' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getWasmTableEntry")) Module["getWasmTableEntry"] = () => abort("'getWasmTableEntry' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "handleException")) Module["handleException"] = () => abort("'handleException' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "runtimeKeepalivePush")) Module["runtimeKeepalivePush"] = () => abort("'runtimeKeepalivePush' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "runtimeKeepalivePop")) Module["runtimeKeepalivePop"] = () => abort("'runtimeKeepalivePop' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "callUserCallback")) Module["callUserCallback"] = () => abort("'callUserCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "maybeExit")) Module["maybeExit"] = () => abort("'maybeExit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "safeSetTimeout")) Module["safeSetTimeout"] = () => abort("'safeSetTimeout' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "asmjsMangle")) Module["asmjsMangle"] = () => abort("'asmjsMangle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "asyncLoad")) Module["asyncLoad"] = () => abort("'asyncLoad' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "alignMemory")) Module["alignMemory"] = () => abort("'alignMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "mmapAlloc")) Module["mmapAlloc"] = () => abort("'mmapAlloc' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "reallyNegative")) Module["reallyNegative"] = () => abort("'reallyNegative' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "unSign")) Module["unSign"] = () => abort("'unSign' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "reSign")) Module["reSign"] = () => abort("'reSign' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "formatString")) Module["formatString"] = () => abort("'formatString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "PATH")) Module["PATH"] = () => abort("'PATH' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "PATH_FS")) Module["PATH_FS"] = () => abort("'PATH_FS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "SYSCALLS")) Module["SYSCALLS"] = () => abort("'SYSCALLS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getSocketFromFD")) Module["getSocketFromFD"] = () => abort("'getSocketFromFD' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getSocketAddress")) Module["getSocketAddress"] = () => abort("'getSocketAddress' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "JSEvents")) Module["JSEvents"] = () => abort("'JSEvents' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerKeyEventCallback")) Module["registerKeyEventCallback"] = () => abort("'registerKeyEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "specialHTMLTargets")) Module["specialHTMLTargets"] = () => abort("'specialHTMLTargets' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "maybeCStringToJsString")) Module["maybeCStringToJsString"] = () => abort("'maybeCStringToJsString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "findEventTarget")) Module["findEventTarget"] = () => abort("'findEventTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "findCanvasEventTarget")) Module["findCanvasEventTarget"] = () => abort("'findCanvasEventTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getBoundingClientRect")) Module["getBoundingClientRect"] = () => abort("'getBoundingClientRect' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "fillMouseEventData")) Module["fillMouseEventData"] = () => abort("'fillMouseEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerMouseEventCallback")) Module["registerMouseEventCallback"] = () => abort("'registerMouseEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerWheelEventCallback")) Module["registerWheelEventCallback"] = () => abort("'registerWheelEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerUiEventCallback")) Module["registerUiEventCallback"] = () => abort("'registerUiEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerFocusEventCallback")) Module["registerFocusEventCallback"] = () => abort("'registerFocusEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "fillDeviceOrientationEventData")) Module["fillDeviceOrientationEventData"] = () => abort("'fillDeviceOrientationEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerDeviceOrientationEventCallback")) Module["registerDeviceOrientationEventCallback"] = () => abort("'registerDeviceOrientationEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "fillDeviceMotionEventData")) Module["fillDeviceMotionEventData"] = () => abort("'fillDeviceMotionEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerDeviceMotionEventCallback")) Module["registerDeviceMotionEventCallback"] = () => abort("'registerDeviceMotionEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "screenOrientation")) Module["screenOrientation"] = () => abort("'screenOrientation' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "fillOrientationChangeEventData")) Module["fillOrientationChangeEventData"] = () => abort("'fillOrientationChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerOrientationChangeEventCallback")) Module["registerOrientationChangeEventCallback"] = () => abort("'registerOrientationChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "fillFullscreenChangeEventData")) Module["fillFullscreenChangeEventData"] = () => abort("'fillFullscreenChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerFullscreenChangeEventCallback")) Module["registerFullscreenChangeEventCallback"] = () => abort("'registerFullscreenChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerRestoreOldStyle")) Module["registerRestoreOldStyle"] = () => abort("'registerRestoreOldStyle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "hideEverythingExceptGivenElement")) Module["hideEverythingExceptGivenElement"] = () => abort("'hideEverythingExceptGivenElement' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "restoreHiddenElements")) Module["restoreHiddenElements"] = () => abort("'restoreHiddenElements' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "setLetterbox")) Module["setLetterbox"] = () => abort("'setLetterbox' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "currentFullscreenStrategy")) Module["currentFullscreenStrategy"] = () => abort("'currentFullscreenStrategy' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "restoreOldWindowedStyle")) Module["restoreOldWindowedStyle"] = () => abort("'restoreOldWindowedStyle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "softFullscreenResizeWebGLRenderTarget")) Module["softFullscreenResizeWebGLRenderTarget"] = () => abort("'softFullscreenResizeWebGLRenderTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "doRequestFullscreen")) Module["doRequestFullscreen"] = () => abort("'doRequestFullscreen' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "fillPointerlockChangeEventData")) Module["fillPointerlockChangeEventData"] = () => abort("'fillPointerlockChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerPointerlockChangeEventCallback")) Module["registerPointerlockChangeEventCallback"] = () => abort("'registerPointerlockChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerPointerlockErrorEventCallback")) Module["registerPointerlockErrorEventCallback"] = () => abort("'registerPointerlockErrorEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "requestPointerLock")) Module["requestPointerLock"] = () => abort("'requestPointerLock' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "fillVisibilityChangeEventData")) Module["fillVisibilityChangeEventData"] = () => abort("'fillVisibilityChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerVisibilityChangeEventCallback")) Module["registerVisibilityChangeEventCallback"] = () => abort("'registerVisibilityChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerTouchEventCallback")) Module["registerTouchEventCallback"] = () => abort("'registerTouchEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "fillGamepadEventData")) Module["fillGamepadEventData"] = () => abort("'fillGamepadEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerGamepadEventCallback")) Module["registerGamepadEventCallback"] = () => abort("'registerGamepadEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerBeforeUnloadEventCallback")) Module["registerBeforeUnloadEventCallback"] = () => abort("'registerBeforeUnloadEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "fillBatteryEventData")) Module["fillBatteryEventData"] = () => abort("'fillBatteryEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "battery")) Module["battery"] = () => abort("'battery' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "registerBatteryEventCallback")) Module["registerBatteryEventCallback"] = () => abort("'registerBatteryEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "setCanvasElementSize")) Module["setCanvasElementSize"] = () => abort("'setCanvasElementSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getCanvasElementSize")) Module["getCanvasElementSize"] = () => abort("'getCanvasElementSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "demangle")) Module["demangle"] = () => abort("'demangle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "demangleAll")) Module["demangleAll"] = () => abort("'demangleAll' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "jsStackTrace")) Module["jsStackTrace"] = () => abort("'jsStackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stackTrace")) Module["stackTrace"] = () => abort("'stackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getEnvStrings")) Module["getEnvStrings"] = () => abort("'getEnvStrings' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "checkWasiClock")) Module["checkWasiClock"] = () => abort("'checkWasiClock' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64")) Module["writeI53ToI64"] = () => abort("'writeI53ToI64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64Clamped")) Module["writeI53ToI64Clamped"] = () => abort("'writeI53ToI64Clamped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64Signaling")) Module["writeI53ToI64Signaling"] = () => abort("'writeI53ToI64Signaling' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToU64Clamped")) Module["writeI53ToU64Clamped"] = () => abort("'writeI53ToU64Clamped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToU64Signaling")) Module["writeI53ToU64Signaling"] = () => abort("'writeI53ToU64Signaling' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "readI53FromI64")) Module["readI53FromI64"] = () => abort("'readI53FromI64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "readI53FromU64")) Module["readI53FromU64"] = () => abort("'readI53FromU64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "convertI32PairToI53")) Module["convertI32PairToI53"] = () => abort("'convertI32PairToI53' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "convertU32PairToI53")) Module["convertU32PairToI53"] = () => abort("'convertU32PairToI53' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "setImmediateWrapped")) Module["setImmediateWrapped"] = () => abort("'setImmediateWrapped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "clearImmediateWrapped")) Module["clearImmediateWrapped"] = () => abort("'clearImmediateWrapped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "polyfillSetImmediate")) Module["polyfillSetImmediate"] = () => abort("'polyfillSetImmediate' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "uncaughtExceptionCount")) Module["uncaughtExceptionCount"] = () => abort("'uncaughtExceptionCount' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "exceptionLast")) Module["exceptionLast"] = () => abort("'exceptionLast' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "exceptionCaught")) Module["exceptionCaught"] = () => abort("'exceptionCaught' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "ExceptionInfo")) Module["ExceptionInfo"] = () => abort("'ExceptionInfo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "CatchInfo")) Module["CatchInfo"] = () => abort("'CatchInfo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "exception_addRef")) Module["exception_addRef"] = () => abort("'exception_addRef' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "exception_decRef")) Module["exception_decRef"] = () => abort("'exception_decRef' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "Browser")) Module["Browser"] = () => abort("'Browser' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "funcWrappers")) Module["funcWrappers"] = () => abort("'funcWrappers' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "getFuncWrapper")) Module["getFuncWrapper"] = () => abort("'getFuncWrapper' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "setMainLoop")) Module["setMainLoop"] = () => abort("'setMainLoop' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "wget")) Module["wget"] = () => abort("'wget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "FS")) Module["FS"] = () => abort("'FS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "MEMFS")) Module["MEMFS"] = () => abort("'MEMFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "TTY")) Module["TTY"] = () => abort("'TTY' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "PIPEFS")) Module["PIPEFS"] = () => abort("'PIPEFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "SOCKFS")) Module["SOCKFS"] = () => abort("'SOCKFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "_setNetworkCallback")) Module["_setNetworkCallback"] = () => abort("'_setNetworkCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "tempFixedLengthArray")) Module["tempFixedLengthArray"] = () => abort("'tempFixedLengthArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "miniTempWebGLFloatBuffers")) Module["miniTempWebGLFloatBuffers"] = () => abort("'miniTempWebGLFloatBuffers' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "heapObjectForWebGLType")) Module["heapObjectForWebGLType"] = () => abort("'heapObjectForWebGLType' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "heapAccessShiftForWebGLHeap")) Module["heapAccessShiftForWebGLHeap"] = () => abort("'heapAccessShiftForWebGLHeap' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "GL")) Module["GL"] = () => abort("'GL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGet")) Module["emscriptenWebGLGet"] = () => abort("'emscriptenWebGLGet' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "computeUnpackAlignedImageSize")) Module["computeUnpackAlignedImageSize"] = () => abort("'computeUnpackAlignedImageSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetTexPixelData")) Module["emscriptenWebGLGetTexPixelData"] = () => abort("'emscriptenWebGLGetTexPixelData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetUniform")) Module["emscriptenWebGLGetUniform"] = () => abort("'emscriptenWebGLGetUniform' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "webglGetUniformLocation")) Module["webglGetUniformLocation"] = () => abort("'webglGetUniformLocation' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "webglPrepareUniformLocationsBeforeFirstUse")) Module["webglPrepareUniformLocationsBeforeFirstUse"] = () => abort("'webglPrepareUniformLocationsBeforeFirstUse' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "webglGetLeftBracePos")) Module["webglGetLeftBracePos"] = () => abort("'webglGetLeftBracePos' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetVertexAttrib")) Module["emscriptenWebGLGetVertexAttrib"] = () => abort("'emscriptenWebGLGetVertexAttrib' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "writeGLArray")) Module["writeGLArray"] = () => abort("'writeGLArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "AL")) Module["AL"] = () => abort("'AL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "SDL_unicode")) Module["SDL_unicode"] = () => abort("'SDL_unicode' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "SDL_ttfContext")) Module["SDL_ttfContext"] = () => abort("'SDL_ttfContext' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "SDL_audio")) Module["SDL_audio"] = () => abort("'SDL_audio' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "SDL")) Module["SDL"] = () => abort("'SDL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "SDL_gfx")) Module["SDL_gfx"] = () => abort("'SDL_gfx' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "GLUT")) Module["GLUT"] = () => abort("'GLUT' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "EGL")) Module["EGL"] = () => abort("'EGL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "GLFW_Window")) Module["GLFW_Window"] = () => abort("'GLFW_Window' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "GLFW")) Module["GLFW"] = () => abort("'GLFW' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "GLEW")) Module["GLEW"] = () => abort("'GLEW' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "IDBStore")) Module["IDBStore"] = () => abort("'IDBStore' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "runAndAbortIfError")) Module["runAndAbortIfError"] = () => abort("'runAndAbortIfError' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "warnOnce")) Module["warnOnce"] = () => abort("'warnOnce' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stackSave")) Module["stackSave"] = () => abort("'stackSave' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stackRestore")) Module["stackRestore"] = () => abort("'stackRestore' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stackAlloc")) Module["stackAlloc"] = () => abort("'stackAlloc' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "AsciiToString")) Module["AsciiToString"] = () => abort("'AsciiToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stringToAscii")) Module["stringToAscii"] = () => abort("'stringToAscii' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "UTF16ToString")) Module["UTF16ToString"] = () => abort("'UTF16ToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF16")) Module["stringToUTF16"] = () => abort("'stringToUTF16' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF16")) Module["lengthBytesUTF16"] = () => abort("'lengthBytesUTF16' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "UTF32ToString")) Module["UTF32ToString"] = () => abort("'UTF32ToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF32")) Module["stringToUTF32"] = () => abort("'stringToUTF32' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF32")) Module["lengthBytesUTF32"] = () => abort("'lengthBytesUTF32' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "allocateUTF8")) Module["allocateUTF8"] = () => abort("'allocateUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -if (!Object.getOwnPropertyDescriptor(Module, "allocateUTF8OnStack")) Module["allocateUTF8OnStack"] = () => abort("'allocateUTF8OnStack' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"); -Module["writeStackCookie"] = writeStackCookie; -Module["checkStackCookie"] = checkStackCookie; -if (!Object.getOwnPropertyDescriptor(Module, "ALLOC_NORMAL")) Object.defineProperty(Module, "ALLOC_NORMAL", { configurable: true, get: function() { abort("'ALLOC_NORMAL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") } }); -if (!Object.getOwnPropertyDescriptor(Module, "ALLOC_STACK")) Object.defineProperty(Module, "ALLOC_STACK", { configurable: true, get: function() { abort("'ALLOC_STACK' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") } }); +var missingLibrarySymbols = [ + 'writeI53ToI64', + 'writeI53ToI64Clamped', + 'writeI53ToI64Signaling', + 'writeI53ToU64Clamped', + 'writeI53ToU64Signaling', + 'readI53FromI64', + 'readI53FromU64', + 'convertI32PairToI53', + 'convertU32PairToI53', + 'getTempRet0', + 'setTempRet0', + 'inetPton4', + 'inetNtop4', + 'inetPton6', + 'inetNtop6', + 'readSockaddr', + 'writeSockaddr', + 'emscriptenLog', + 'readEmAsmArgs', + 'jstoi_q', + 'listenOnce', + 'autoResumeAudioContext', + 'dynCallLegacy', + 'getDynCaller', + 'dynCall', + 'runtimeKeepalivePush', + 'runtimeKeepalivePop', + 'callUserCallback', + 'maybeExit', + 'asmjsMangle', + 'HandleAllocator', + 'getNativeTypeSize', + 'STACK_SIZE', + 'STACK_ALIGN', + 'POINTER_SIZE', + 'ASSERTIONS', + 'getCFunc', + 'ccall', + 'cwrap', + 'uleb128Encode', + 'sigToWasmTypes', + 'generateFuncType', + 'convertJsFunctionToWasm', + 'getEmptyTableSlot', + 'updateTableMap', + 'getFunctionAddress', + 'addFunction', + 'removeFunction', + 'reallyNegative', + 'unSign', + 'strLen', + 'reSign', + 'formatString', + 'intArrayToString', + 'AsciiToString', + 'UTF16ToString', + 'stringToUTF16', + 'lengthBytesUTF16', + 'UTF32ToString', + 'stringToUTF32', + 'lengthBytesUTF32', + 'stringToNewUTF8', + 'writeArrayToMemory', + 'registerKeyEventCallback', + 'maybeCStringToJsString', + 'findEventTarget', + 'getBoundingClientRect', + 'fillMouseEventData', + 'registerMouseEventCallback', + 'registerWheelEventCallback', + 'registerUiEventCallback', + 'registerFocusEventCallback', + 'fillDeviceOrientationEventData', + 'registerDeviceOrientationEventCallback', + 'fillDeviceMotionEventData', + 'registerDeviceMotionEventCallback', + 'screenOrientation', + 'fillOrientationChangeEventData', + 'registerOrientationChangeEventCallback', + 'fillFullscreenChangeEventData', + 'registerFullscreenChangeEventCallback', + 'JSEvents_requestFullscreen', + 'JSEvents_resizeCanvasForFullscreen', + 'registerRestoreOldStyle', + 'hideEverythingExceptGivenElement', + 'restoreHiddenElements', + 'setLetterbox', + 'softFullscreenResizeWebGLRenderTarget', + 'doRequestFullscreen', + 'fillPointerlockChangeEventData', + 'registerPointerlockChangeEventCallback', + 'registerPointerlockErrorEventCallback', + 'requestPointerLock', + 'fillVisibilityChangeEventData', + 'registerVisibilityChangeEventCallback', + 'registerTouchEventCallback', + 'fillGamepadEventData', + 'registerGamepadEventCallback', + 'registerBeforeUnloadEventCallback', + 'fillBatteryEventData', + 'battery', + 'registerBatteryEventCallback', + 'setCanvasElementSize', + 'getCanvasElementSize', + 'jsStackTrace', + 'getCallstack', + 'convertPCtoSourceLocation', + 'checkWasiClock', + 'wasiRightsToMuslOFlags', + 'wasiOFlagsToMuslOFlags', + 'createDyncallWrapper', + 'safeSetTimeout', + 'setImmediateWrapped', + 'clearImmediateWrapped', + 'polyfillSetImmediate', + 'getPromise', + 'makePromise', + 'idsToPromises', + 'makePromiseCallback', + 'ExceptionInfo', + 'findMatchingCatch', + 'Browser_asyncPrepareDataCounter', + 'setMainLoop', + 'isLeapYear', + 'ydayFromDate', + 'arraySum', + 'addDays', + 'getSocketFromFD', + 'getSocketAddress', + 'FS_unlink', + 'FS_mkdirTree', + '_setNetworkCallback', + 'heapObjectForWebGLType', + 'toTypedArrayIndex', + 'webgl_enable_ANGLE_instanced_arrays', + 'webgl_enable_OES_vertex_array_object', + 'webgl_enable_WEBGL_draw_buffers', + 'webgl_enable_WEBGL_multi_draw', + 'emscriptenWebGLGet', + 'computeUnpackAlignedImageSize', + 'colorChannelsInGlTextureFormat', + 'emscriptenWebGLGetTexPixelData', + 'emscriptenWebGLGetUniform', + 'webglGetUniformLocation', + 'webglPrepareUniformLocationsBeforeFirstUse', + 'webglGetLeftBracePos', + 'emscriptenWebGLGetVertexAttrib', + '__glGetActiveAttribOrUniform', + 'writeGLArray', + 'registerWebGlEventCallback', + 'runAndAbortIfError', + 'ALLOC_NORMAL', + 'ALLOC_STACK', + 'allocate', + 'writeStringToMemory', + 'writeAsciiToMemory', + 'setErrNo', + 'demangle', + 'stackTrace', +]; +missingLibrarySymbols.forEach(missingLibrarySymbol) + +var unexportedSymbols = [ + 'run', + 'addOnPreRun', + 'addOnInit', + 'addOnPreMain', + 'addOnExit', + 'addOnPostRun', + 'addRunDependency', + 'removeRunDependency', + 'out', + 'err', + 'callMain', + 'abort', + 'wasmMemory', + 'wasmExports', + 'writeStackCookie', + 'checkStackCookie', + 'convertI32PairToI53Checked', + 'stackSave', + 'stackRestore', + 'stackAlloc', + 'ptrToString', + 'zeroMemory', + 'exitJS', + 'getHeapMax', + 'growMemory', + 'ENV', + 'ERRNO_CODES', + 'strError', + 'DNS', + 'Protocols', + 'Sockets', + 'initRandomFill', + 'randomFill', + 'timers', + 'warnOnce', + 'readEmAsmArgsArray', + 'jstoi_s', + 'getExecutableName', + 'handleException', + 'keepRuntimeAlive', + 'asyncLoad', + 'alignMemory', + 'mmapAlloc', + 'wasmTable', + 'noExitRuntime', + 'freeTableIndexes', + 'functionsInTableMap', + 'setValue', + 'getValue', + 'PATH', + 'PATH_FS', + 'UTF8Decoder', + 'UTF8ArrayToString', + 'UTF8ToString', + 'stringToUTF8Array', + 'stringToUTF8', + 'lengthBytesUTF8', + 'intArrayFromString', + 'stringToAscii', + 'UTF16Decoder', + 'stringToUTF8OnStack', + 'JSEvents', + 'specialHTMLTargets', + 'findCanvasEventTarget', + 'currentFullscreenStrategy', + 'restoreOldWindowedStyle', + 'UNWIND_CACHE', + 'ExitStatus', + 'getEnvStrings', + 'doReadv', + 'doWritev', + 'promiseMap', + 'uncaughtExceptionCount', + 'exceptionLast', + 'exceptionCaught', + 'Browser', + 'getPreloadedImageData__data', + 'wget', + 'MONTH_DAYS_REGULAR', + 'MONTH_DAYS_LEAP', + 'MONTH_DAYS_REGULAR_CUMULATIVE', + 'MONTH_DAYS_LEAP_CUMULATIVE', + 'SYSCALLS', + 'preloadPlugins', + 'FS_createPreloadedFile', + 'FS_modeStringToFlags', + 'FS_getMode', + 'FS_stdin_getChar_buffer', + 'FS_stdin_getChar', + 'FS_createPath', + 'FS_createDevice', + 'FS_readFile', + 'FS', + 'FS_createDataFile', + 'FS_createLazyFile', + 'MEMFS', + 'TTY', + 'PIPEFS', + 'SOCKFS', + 'tempFixedLengthArray', + 'miniTempWebGLFloatBuffers', + 'miniTempWebGLIntBuffers', + 'GL', + 'AL', + 'GLUT', + 'EGL', + 'GLEW', + 'IDBStore', + 'SDL', + 'SDL_gfx', + 'allocateUTF8', + 'allocateUTF8OnStack', + 'print', + 'printErr', +]; +unexportedSymbols.forEach(unexportedRuntimeSymbol); -var calledRun; -/** - * @constructor - * @this {ExitStatus} - */ -function ExitStatus(status) { - this.name = "ExitStatus"; - this.message = "Program terminated with exit(" + status + ")"; - this.status = status; -} -var calledMain = false; +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) @@ -5013,37 +4513,33 @@ dependenciesFulfilled = function runCaller() { if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled }; -function callMain(args) { +function callMain(args = []) { assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])'); assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called'); - var entryFunction = Module['_main']; + var entryFunction = _main; - args = args || []; + args.unshift(thisProgram); - var argc = args.length+1; + var argc = args.length; var argv = stackAlloc((argc + 1) * 4); - HEAP32[argv >> 2] = allocateUTF8OnStack(thisProgram); - for (var i = 1; i < argc; i++) { - HEAP32[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]); - } - HEAP32[(argv >> 2) + argc] = 0; + var argv_ptr = argv; + args.forEach((arg) => { + HEAPU32[((argv_ptr)>>2)] = stringToUTF8OnStack(arg); + argv_ptr += 4; + }); + HEAPU32[((argv_ptr)>>2)] = 0; try { var ret = entryFunction(argc, argv); - // In PROXY_TO_PTHREAD builds, we should never exit the runtime below, as - // execution is asynchronously handed off to a pthread. // if we're not running an evented main loop, it's time to exit - exit(ret, /* implicit = */ true); + exitJS(ret, /* implicit = */ true); return ret; } catch (e) { return handleException(e); - } finally { - calledMain = true; - } } @@ -5051,20 +4547,18 @@ 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. - // TODO(sbc): Move writeStackCookie to native to to avoid this. _emscripten_stack_init(); + // TODO(sbc): Move writeStackCookie to native to to avoid this. writeStackCookie(); } -/** @type {function(Array=)} */ -function run(args) { - args = args || arguments_; +function run(args = arguments_) { if (runDependencies > 0) { return; } - stackCheckInit(); + stackCheckInit(); preRun(); @@ -5086,7 +4580,7 @@ function run(args) { preMain(); - if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized'](); + Module['onRuntimeInitialized']?.(); if (shouldRunNow) callMain(args); @@ -5107,7 +4601,6 @@ function run(args) { } checkStackCookie(); } -Module['run'] = run; function checkUnflushedContent() { // Compiler settings do not allow exiting the runtime, so flushing @@ -5128,7 +4621,7 @@ function checkUnflushedContent() { has = true; } try { // it doesn't matter if it fails - ___stdio_exit(); + _fflush(0); // also flush in the JS FS layer ['stdout', 'stderr'].forEach(function(name) { var info = FS.analyzePath('/dev/' + name); @@ -5136,7 +4629,7 @@ function checkUnflushedContent() { var stream = info.object; var rdev = stream.rdev; var tty = TTY.ttys[rdev]; - if (tty && tty.output && tty.output.length) { + if (tty?.output?.length) { has = true; } }); @@ -5144,40 +4637,8 @@ function checkUnflushedContent() { out = oldOut; err = oldErr; if (has) { - warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.'); - } -} - -/** @param {boolean|number=} implicit */ -function exit(status, implicit) { - EXITSTATUS = status; - - // Skip this check if the runtime is being kept alive deliberately. - // For example if `exit_with_live_runtime` is called. - if (!runtimeKeepaliveCounter) { - checkUnflushedContent(); - } - - if (keepRuntimeAlive()) { - // if exit() was called, we may warn the user if the runtime isn't actually being shut down - if (!implicit) { - var msg = 'program exited (with status: ' + status + '), but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)'; - err(msg); - } - } else { - exitRuntime(); - } - - procExit(status); -} - -function procExit(code) { - EXITSTATUS = code; - if (!keepRuntimeAlive()) { - if (Module['onExit']) Module['onExit'](code); - ABORT = true; + 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.'); } - quit_(code, new ExitStatus(code)); } if (Module['preInit']) { @@ -5193,3 +4654,6 @@ var shouldRunNow = true; if (Module['noInitialRun']) shouldRunNow = false; run(); + +// end include: postamble.js + diff --git a/salam-wa.wasm b/salam-wa.wasm index 360950e..c45856f 100644 Binary files a/salam-wa.wasm and b/salam-wa.wasm differ