diff --git a/node_modules/.mf/cf.json b/node_modules/.mf/cf.json index 6d33a93..17bf833 100644 --- a/node_modules/.mf/cf.json +++ b/node_modules/.mf/cf.json @@ -1 +1 @@ -{"httpProtocol":"HTTP/1.1","clientAcceptEncoding":"gzip, deflate, br","requestPriority":"","edgeRequestKeepAliveStatus":1,"requestHeaderNames":{},"clientTcpRtt":12,"colo":"SYD","asn":9443,"asOrganization":"Vocus","country":"AU","isEUCountry":false,"city":"Sydney","continent":"OC","region":"New South Wales","regionCode":"NSW","timezone":"Australia/Sydney","longitude":"151.20732","latitude":"-33.86785","postalCode":"1001","tlsVersion":"TLSv1.3","tlsCipher":"AEAD-AES256-GCM-SHA384","tlsClientRandom":"ZCFOIxx+dLjJKWNa9xLCxaSIHvshEBi9p5Ma3GkbD6Y=","tlsClientCiphersSha1":"kXrN3VEKDdzz2cPKTQaKzpxVTxQ=","tlsClientExtensionsSha1":"1eY97BUYYO8vDaTfHQywB1pcNdM=","tlsClientExtensionsSha1Le":"u4wtEMFQBY18l3BzHAvORm+KGRw=","tlsExportedAuthenticator":{"clientHandshake":"60c7a93668cf712955e55da8d87ad7d798dd50f3bd0f41cf6b50bd536330370c8d70f3c724a783da997a7ce56eb10942","serverHandshake":"a1387243818dc978c8e6191d9435d288d47c82a4c87c3727ee318328e68412165a11e528abea944087ca1463ad1dfeb5","clientFinished":"3187fbfafb25128e53194b2cc610611991652337efdaf72c36409d98dfd12ca3a8a01c6a4b3bec6b601abdd178673f94","serverFinished":"f55737956343d6a2de3e75a6297677de63f979c2a570fc887651fd9b0fa24a9671b4545cdec6cfab6ecd70e39f6b1aea"},"tlsClientHelloLength":"1603","tlsClientAuth":{"certPresented":"0","certVerified":"NONE","certRevoked":"0","certIssuerDN":"","certSubjectDN":"","certIssuerDNRFC2253":"","certSubjectDNRFC2253":"","certIssuerDNLegacy":"","certSubjectDNLegacy":"","certSerial":"","certIssuerSerial":"","certSKI":"","certIssuerSKI":"","certFingerprintSHA1":"","certFingerprintSHA256":"","certNotBefore":"","certNotAfter":""},"verifiedBotCategory":"","botManagement":{"corporateProxy":false,"verifiedBot":false,"jsDetection":{"passed":false},"staticResource":false,"detectionIds":{},"score":99}} \ No newline at end of file +{"httpProtocol":"HTTP/1.1","clientAcceptEncoding":"gzip, deflate, br","requestPriority":"","edgeRequestKeepAliveStatus":1,"requestHeaderNames":{},"clientTcpRtt":26,"colo":"SYD","asn":9443,"asOrganization":"Vocus","country":"AU","isEUCountry":false,"city":"Sydney","continent":"OC","region":"New South Wales","regionCode":"NSW","timezone":"Australia/Sydney","longitude":"151.20732","latitude":"-33.86785","postalCode":"1001","tlsVersion":"TLSv1.3","tlsCipher":"AEAD-AES256-GCM-SHA384","tlsClientRandom":"q+XTQrmbIX2iNNAi+8RaMkPlVKucfKu2QjNQej35Jo8=","tlsClientCiphersSha1":"kXrN3VEKDdzz2cPKTQaKzpxVTxQ=","tlsClientExtensionsSha1":"1eY97BUYYO8vDaTfHQywB1pcNdM=","tlsClientExtensionsSha1Le":"u4wtEMFQBY18l3BzHAvORm+KGRw=","tlsExportedAuthenticator":{"clientHandshake":"918753d88f16497a81bec58c93db6eb95382e6cc3fef5af6c045f00ddd7b4ff09bca2042e3e9a2809bd9e43d17a91692","serverHandshake":"0ec75818c051cc9c6548de819406a93217de79a9d796a3632a1987dcada263f5cbc07cccf47598c74ac989687992921e","clientFinished":"f14e7fd18d6916fedd649672b8eda2fce6b0e2210de45f35605155815ed0be3b6868e8798f35e8f8aba21beabbab48d2","serverFinished":"46f06972f7ed47a394e7b635e7762eddf8df855ef2a2a1ce30d44c672eb4a115903238c40a834112f656434d29485f2f"},"tlsClientHelloLength":"1603","tlsClientAuth":{"certPresented":"0","certVerified":"NONE","certRevoked":"0","certIssuerDN":"","certSubjectDN":"","certIssuerDNRFC2253":"","certSubjectDNRFC2253":"","certIssuerDNLegacy":"","certSubjectDNLegacy":"","certSerial":"","certIssuerSerial":"","certSKI":"","certIssuerSKI":"","certFingerprintSHA1":"","certFingerprintSHA256":"","certNotBefore":"","certNotAfter":""},"verifiedBotCategory":"","botManagement":{"corporateProxy":false,"verifiedBot":false,"jsDetection":{"passed":false},"staticResource":false,"detectionIds":{},"score":99}} \ No newline at end of file diff --git a/playground/index.html b/playground/index.html index c9660fe..9f9553b 100644 --- a/playground/index.html +++ b/playground/index.html @@ -16,12 +16,10 @@

Solstice Playground

-

Broken right now. Sorry!

+
@@ -30,57 +28,32 @@ puts 10 + 20 + 12

Output:

Output will appear here. Click "Run Code" to run!
- +
diff --git a/playground/playground.js b/playground/playground.js index 7d16a2d..5c6a068 100644 --- a/playground/playground.js +++ b/playground/playground.js @@ -1,5361 +1 @@ - -var createSolsticeModule = (() => { - var _scriptDir = import.meta.url; - - return ( -async function(moduleArg = {}) { - -// include: shell.js -// The Module object: Our interface to the outside world. We import -// and export values on it. There are various ways Module can be used: -// 1. Not defined. We create it here -// 2. A function parameter, function(Module) { ..generated code.. } -// 3. pre-run appended it, var Module = {}; ..generated code.. -// 4. External script tag defines var Module. -// We need to check if Module already exists (e.g. case 3 above). -// Substitution will be replaced with actual code on later stage of the build, -// this way Closure Compiler will not mangle it (e.g. case 4. above). -// Note that if you want to run closure, and also to use Module -// after the generated code, you will need to define var Module = {}; -// before the code. Then that object will be used in the code, and you -// can continue to use Module afterwards as well. -var Module = moduleArg; - -// Set up the promise that indicates the Module is initialized -var readyPromiseResolve, readyPromiseReject; -Module['ready'] = new Promise((resolve, reject) => { - readyPromiseResolve = resolve; - readyPromiseReject = reject; -}); -["_memory","___indirect_function_table","_run_source","onRuntimeInitialized"].forEach((prop) => { - if (!Object.getOwnPropertyDescriptor(Module['ready'], prop)) { - Object.defineProperty(Module['ready'], prop, { - get: () => abort('You are getting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'), - set: () => abort('You are setting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'), - }); - } -}); - -// --pre-jses are emitted after the Module integration code, so that they can -// refer to Module (if they choose; they can also define Module) - - -// Sometimes an existing Module object exists with properties -// meant to overwrite the default module functionality. Here -// we collect those properties and reapply _after_ we configure -// the current environment's defaults to avoid having to be so -// defensive during initialization. -var moduleOverrides = Object.assign({}, Module); - -var arguments_ = []; -var thisProgram = './this.program'; -var quit_ = (status, toThrow) => { - throw toThrow; -}; - -// Determine the runtime environment we are in. You can customize this by -// setting the ENVIRONMENT setting at compile time (see settings.js). - -// Attempt to auto-detect the environment -var ENVIRONMENT_IS_WEB = typeof window == 'object'; -var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function'; -// N.b. Electron.js environment is simultaneously a NODE-environment, but -// also a web environment. -var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string'; -var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; - -if (Module['ENVIRONMENT']) { - throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)'); -} - -// `/` should be present at the end if `scriptDirectory` is not empty -var scriptDirectory = ''; -function locateFile(path) { - if (Module['locateFile']) { - return Module['locateFile'](path, scriptDirectory); - } - return scriptDirectory + path; -} - -// Hooks that are implemented differently in different runtime environments. -var read_, - readAsync, - readBinary; - -if (ENVIRONMENT_IS_NODE) { - if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); - - var nodeVersion = process.versions.node; - var numericVersion = nodeVersion.split('.').slice(0, 3); - numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1); - var minVersion = 160000; - if (numericVersion < 160000) { - throw new Error('This emscripten-generated code requires node v16.0.0 (detected v' + nodeVersion + ')'); - } - - // `require()` is no-op in an ESM module, use `createRequire()` to construct - // the require()` function. This is only necessary for multi-environment - // builds, `-sENVIRONMENT=node` emits a static import declaration instead. - // TODO: Swap all `require()`'s with `import()`'s? - const { createRequire } = await import('module'); - /** @suppress{duplicate} */ - var require = createRequire(import.meta.url); - // These modules will usually be used on Node.js. Load them eagerly to avoid - // the complexity of lazy-loading. - var fs = require('fs'); - var nodePath = require('path'); - - if (ENVIRONMENT_IS_WORKER) { - scriptDirectory = nodePath.dirname(scriptDirectory) + '/'; - } else { - // EXPORT_ES6 + ENVIRONMENT_IS_NODE always requires use of import.meta.url, - // since there's no way getting the current absolute path of the module when - // support for that is not available. - scriptDirectory = require('url').fileURLToPath(new URL('./', import.meta.url)); // includes trailing slash - } - -// include: node_shell_read.js -read_ = (filename, binary) => { - // We need to re-wrap `file://` strings to URLs. Normalizing isn't - // necessary in that case, the path should already be absolute. - filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename); - return fs.readFileSync(filename, binary ? undefined : 'utf8'); -}; - -readBinary = (filename) => { - var ret = read_(filename, true); - if (!ret.buffer) { - ret = new Uint8Array(ret); - } - assert(ret.buffer); - return ret; -}; - -readAsync = (filename, onload, onerror, binary = true) => { - // See the comment in the `read_` function. - filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename); - fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => { - if (err) onerror(err); - else onload(binary ? data.buffer : data); - }); -}; -// end include: node_shell_read.js - if (!Module['thisProgram'] && process.argv.length > 1) { - thisProgram = process.argv[1].replace(/\\/g, '/'); - } - - arguments_ = process.argv.slice(2); - - // MODULARIZE will export the module in the proper place outside, we don't need to export here - - quit_ = (status, toThrow) => { - process.exitCode = status; - throw toThrow; - }; - -} else -if (ENVIRONMENT_IS_SHELL) { - - if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); - - if (typeof read != 'undefined') { - read_ = read; - } - - readBinary = (f) => { - if (typeof readbuffer == 'function') { - return new Uint8Array(readbuffer(f)); - } - let data = read(f, 'binary'); - assert(typeof data == 'object'); - return data; - }; - - readAsync = (f, onload, onerror) => { - setTimeout(() => onload(readBinary(f))); - }; - - if (typeof clearTimeout == 'undefined') { - globalThis.clearTimeout = (id) => {}; - } - - if (typeof setTimeout == 'undefined') { - // spidermonkey lacks setTimeout but we use it above in readAsync. - globalThis.setTimeout = (f) => (typeof f == 'function') ? f() : abort(); - } - - if (typeof scriptArgs != 'undefined') { - arguments_ = scriptArgs; - } else if (typeof arguments != 'undefined') { - arguments_ = arguments; - } - - if (typeof quit == 'function') { - quit_ = (status, toThrow) => { - // Unlike node which has process.exitCode, d8 has no such mechanism. So we - // have no way to set the exit code and then let the program exit with - // that code when it naturally stops running (say, when all setTimeouts - // have completed). For that reason, we must call `quit` - the only way to - // set the exit code - but quit also halts immediately. To increase - // consistency with node (and the web) we schedule the actual quit call - // using a setTimeout to give the current stack and any exception handlers - // a chance to run. This enables features such as addOnPostRun (which - // expected to be able to run code after main returns). - setTimeout(() => { - if (!(toThrow instanceof ExitStatus)) { - let toLog = toThrow; - if (toThrow && typeof toThrow == 'object' && toThrow.stack) { - toLog = [toThrow, toThrow.stack]; - } - err(`exiting due to exception: ${toLog}`); - } - quit(status); - }); - throw toThrow; - }; - } - - if (typeof print != 'undefined') { - // Prefer to use print/printErr where they exist, as they usually work better. - if (typeof console == 'undefined') console = /** @type{!Console} */({}); - console.log = /** @type{!function(this:Console, ...*): undefined} */ (print); - console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print); - } - -} else - -// Note that this includes Node.js workers when relevant (pthreads is enabled). -// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and -// ENVIRONMENT_IS_NODE. -if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { - if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled - scriptDirectory = self.location.href; - } else if (typeof document != 'undefined' && document.currentScript) { // web - scriptDirectory = document.currentScript.src; - } - // When MODULARIZE, this JS may be executed later, after document.currentScript - // is gone, so we saved it, and we use it here instead of any other info. - if (_scriptDir) { - scriptDirectory = _scriptDir; - } - // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them. - // otherwise, slice off the final part of the url to find the script directory. - // if scriptDirectory does not contain a slash, lastIndexOf will return -1, - // and scriptDirectory will correctly be replaced with an empty string. - // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #), - // they are removed because they could contain a slash. - if (scriptDirectory.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) => { - var xhr = new XMLHttpRequest(); - xhr.open('GET', url, false); - xhr.send(null); - return xhr.responseText; - } - - if (ENVIRONMENT_IS_WORKER) { - readBinary = (url) => { - var xhr = new XMLHttpRequest(); - xhr.open('GET', url, false); - xhr.responseType = 'arraybuffer'; - xhr.send(null); - return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); - }; - } - - readAsync = (url, onload, onerror) => { - var xhr = new XMLHttpRequest(); - xhr.open('GET', url, true); - xhr.responseType = 'arraybuffer'; - xhr.onload = () => { - if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 - onload(xhr.response); - return; - } - onerror(); - }; - xhr.onerror = onerror; - xhr.send(null); - } - -// end include: web_or_worker_shell_read.js - } -} else -{ - throw new Error('environment detection error'); -} - -var out = Module['print'] || console.log.bind(console); -var err = Module['printErr'] || console.error.bind(console); - -// Merge back in the overrides -Object.assign(Module, moduleOverrides); -// Free the object hierarchy contained in the overrides, this lets the GC -// reclaim data used. -moduleOverrides = null; -checkIncomingModuleAPI(); - -// Emit code to handle expected values on the Module object. This applies Module.x -// to the proper local x. This has two benefits: first, we only emit it if it is -// expected to arrive, and second, by using a local everywhere else that can be -// minified. - -if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_'); - -if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram'); - -if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_'); - -// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message -// Assertions on removed incoming Module JS APIs. -assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead'); -assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead'); -assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead'); -assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead'); -assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)'); -assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); -assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); -assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify emscripten_set_window_title in JS)'); -assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); -legacyModuleProp('asm', 'wasmExports'); -legacyModuleProp('read', 'read_'); -legacyModuleProp('readAsync', 'readAsync'); -legacyModuleProp('readBinary', 'readBinary'); -legacyModuleProp('setWindowTitle', 'setWindowTitle'); -var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js'; -var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js'; -var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js'; -var FETCHFS = 'FETCHFS is no longer included by default; build with -lfetchfs.js'; -var ICASEFS = 'ICASEFS is no longer included by default; build with -licasefs.js'; -var JSFILEFS = 'JSFILEFS is no longer included by default; build with -ljsfilefs.js'; -var OPFS = 'OPFS is no longer included by default; build with -lopfs.js'; - -var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; - -assert(!ENVIRONMENT_IS_SHELL, 'shell environment detected but not enabled at build time. Add `shell` to `-sENVIRONMENT` to enable.'); - -// end include: shell.js - -// include: preamble.js -// === Preamble library stuff === - -// Documentation for the public APIs defined in this file must be updated in: -// site/source/docs/api_reference/preamble.js.rst -// A prebuilt local version of the documentation is available at: -// site/build/text/docs/api_reference/preamble.js.txt -// You can also build docs locally as HTML or other formats in site/ -// An online HTML version (which may be of a different version of Emscripten) -// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html - -var wasmBinary; -if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary'); - -if (typeof WebAssembly != 'object') { - err('no native wasm support detected'); -} - -// include: base64Utils.js -// Converts a string of base64 into a byte array (Uint8Array). -function intArrayFromBase64(s) { - if (typeof ENVIRONMENT_IS_NODE != 'undefined' && ENVIRONMENT_IS_NODE) { - var buf = Buffer.from(s, 'base64'); - return new Uint8Array(buf.buffer, buf.byteOffset, buf.length); - } - - var decoded = atob(s); - var bytes = new Uint8Array(decoded.length); - for (var i = 0 ; i < decoded.length ; ++i) { - bytes[i] = decoded.charCodeAt(i); - } - return bytes; -} - -// If filename is a base64 data URI, parses and returns data (Buffer on node, -// Uint8Array otherwise). If filename is not a base64 data URI, returns undefined. -function tryParseAsDataURI(filename) { - if (!isDataURI(filename)) { - return; - } - - return intArrayFromBase64(filename.slice(dataURIPrefix.length)); -} -// end include: base64Utils.js -// Wasm globals - -var wasmMemory; - -//======================================== -// Runtime essentials -//======================================== - -// whether we are quitting the application. no code should run after this. -// set in exit() and abort() -var ABORT = false; - -// set by exit() and abort(). Passed to 'onExit' handler. -// NOTE: This is also used as the process return code code in shell environments -// but only when noExitRuntime is false. -var EXITSTATUS; - -// 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) { - abort('Assertion failed' + (text ? ': ' + text : '')); - } -} - -// 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'); -} -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'); -} - -// Memory management - -var HEAP, -/** @type {!Int8Array} */ - HEAP8, -/** @type {!Uint8Array} */ - HEAPU8, -/** @type {!Int16Array} */ - HEAP16, -/** @type {!Uint16Array} */ - HEAPU16, -/** @type {!Int32Array} */ - HEAP32, -/** @type {!Uint32Array} */ - HEAPU32, -/** @type {!Float32Array} */ - HEAPF32, -/** @type {!Float64Array} */ - HEAPF64; - -// 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') - -assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, - 'JS engine does not provide full typed array support'); - -// If memory is defined in wasm, the user can't provide it, or set INITIAL_MEMORY -assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally'); -assert(!Module['INITIAL_MEMORY'], 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically'); - -// include: runtime_stack_check.js -// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. -function writeStackCookie() { - var max = _emscripten_stack_get_end(); - assert((max & 3) == 0); - // If the stack ends at address zero we write our cookies 4 bytes into the - // stack. This prevents interference with SAFE_HEAP and ASAN which also - // monitor writes to address zero. - if (max == 0) { - max += 4; - } - // The stack grow downwards towards _emscripten_stack_get_end. - // We write cookies to the final two words in the stack and detect if they are - // ever overwritten. - HEAPU32[((max)>>2)] = 0x02135467; - HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE; - // Also test the global address 0 for integrity. - HEAPU32[((0)>>2)] = 1668509029; -} - -function checkStackCookie() { - if (ABORT) return; - var max = _emscripten_stack_get_end(); - // See writeStackCookie(). - if (max == 0) { - max += 4; - } - var cookie1 = HEAPU32[((max)>>2)]; - var cookie2 = HEAPU32[(((max)+(4))>>2)]; - if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) { - abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`); - } - // Also test the global address 0 for integrity. - if (HEAPU32[((0)>>2)] != 0x63736d65 /* 'emsc' */) { - abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); - } -} -// end include: runtime_stack_check.js -// include: runtime_assertions.js -// Endianness check -(function() { - var h16 = new Int16Array(1); - var h8 = new Int8Array(h16.buffer); - h16[0] = 0x6373; - if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)'; -})(); - -// end include: runtime_assertions.js -var __ATPRERUN__ = []; // functions called before the runtime is initialized -var __ATINIT__ = []; // functions called during startup -var __ATEXIT__ = []; // functions called during shutdown -var __ATPOSTRUN__ = []; // functions called after the main() is called - -var runtimeInitialized = false; - -function preRun() { - if (Module['preRun']) { - if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; - while (Module['preRun'].length) { - addOnPreRun(Module['preRun'].shift()); - } - } - callRuntimeCallbacks(__ATPRERUN__); -} - -function initRuntime() { - assert(!runtimeInitialized); - runtimeInitialized = true; - - checkStackCookie(); - - -if (!Module['noFSInit'] && !FS.init.initialized) - FS.init(); -FS.ignorePermissions = false; - -TTY.init(); - callRuntimeCallbacks(__ATINIT__); -} - -function postRun() { - checkStackCookie(); - - if (Module['postRun']) { - if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; - while (Module['postRun'].length) { - addOnPostRun(Module['postRun'].shift()); - } - } - - callRuntimeCallbacks(__ATPOSTRUN__); -} - -function addOnPreRun(cb) { - __ATPRERUN__.unshift(cb); -} - -function addOnInit(cb) { - __ATINIT__.unshift(cb); -} - -function addOnExit(cb) { -} - -function addOnPostRun(cb) { - __ATPOSTRUN__.unshift(cb); -} - -// include: runtime_math.js -// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul - -// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround - -// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32 - -// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc - -assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); -assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); -assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); -assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); -// end include: runtime_math.js -// A counter of dependencies for calling run(). If we need to -// do asynchronous work before running, increment this and -// decrement it. Incrementing must happen in a place like -// Module.preRun (used by emcc to add file preloading). -// Note that you can add dependencies in preRun, even though -// it happens right before run - run will be postponed until -// the dependencies are met. -var runDependencies = 0; -var runDependencyWatcher = null; -var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled -var runDependencyTracking = {}; - -function getUniqueRunDependency(id) { - var orig = id; - while (1) { - if (!runDependencyTracking[id]) return id; - id = orig + Math.random(); - } -} - -function addRunDependency(id) { - runDependencies++; - - Module['monitorRunDependencies']?.(runDependencies); - - if (id) { - assert(!runDependencyTracking[id]); - runDependencyTracking[id] = 1; - if (runDependencyWatcher === null && typeof setInterval != 'undefined') { - // Check for missing dependencies every few seconds - runDependencyWatcher = setInterval(() => { - if (ABORT) { - clearInterval(runDependencyWatcher); - runDependencyWatcher = null; - return; - } - var shown = false; - for (var dep in runDependencyTracking) { - if (!shown) { - shown = true; - err('still waiting on run dependencies:'); - } - err(`dependency: ${dep}`); - } - if (shown) { - err('(end of list)'); - } - }, 10000); - } - } else { - err('warning: run dependency added without ID'); - } -} - -function removeRunDependency(id) { - runDependencies--; - - Module['monitorRunDependencies']?.(runDependencies); - - if (id) { - assert(runDependencyTracking[id]); - delete runDependencyTracking[id]; - } else { - err('warning: run dependency removed without ID'); - } - if (runDependencies == 0) { - if (runDependencyWatcher !== null) { - clearInterval(runDependencyWatcher); - runDependencyWatcher = null; - } - if (dependenciesFulfilled) { - var callback = dependenciesFulfilled; - dependenciesFulfilled = null; - callback(); // can add another dependenciesFulfilled - } - } -} - -/** @param {string|number=} what */ -function abort(what) { - Module['onAbort']?.(what); - - what = 'Aborted(' + what + ')'; - // TODO(sbc): Should we remove printing and leave it up to whoever - // catches the exception? - err(what); - - ABORT = true; - EXITSTATUS = 1; - - // Use a wasm runtime error, because a JS error might be seen as a foreign - // exception, which means we'd run destructors on it. We need the error to - // simply make the program stop. - // FIXME This approach does not work in Wasm EH because it currently does not assume - // all RuntimeErrors are from traps; it decides whether a RuntimeError is from - // a trap or not based on a hidden field within the object. So at the moment - // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that - // allows this in the wasm spec. - - // Suppress closure compiler warning here. Closure compiler's builtin extern - // definition for WebAssembly.RuntimeError claims it takes no arguments even - // though it can. - // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. - /** @suppress {checkTypes} */ - var e = new WebAssembly.RuntimeError(what); - - readyPromiseReject(e); - // Throw the error whether or not MODULARIZE is set because abort is used - // in code paths apart from instantiation where an exception is expected - // to be thrown when abort is called. - throw e; -} - -// include: memoryprofiler.js -// end include: memoryprofiler.js -// include: URIUtils.js -// Prefix of data URIs emitted by SINGLE_FILE and related options. -var dataURIPrefix = 'data:application/octet-stream;base64,'; - -/** - * Indicates whether filename is a base64 data URI. - * @noinline - */ -var isDataURI = (filename) => filename.startsWith(dataURIPrefix); - -/** - * Indicates whether filename is delivered via file protocol (as opposed to http/https) - * @noinline - */ -var isFileURI = (filename) => filename.startsWith('file://'); -// end include: URIUtils.js -function createExportWrapper(name) { - return (...args) => { - assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`); - var f = wasmExports[name]; - assert(f, `exported native function \`${name}\` not found`); - return f(...args); - }; -} - -// include: runtime_exceptions.js -// end include: runtime_exceptions.js -var wasmBinaryFile; -if (Module['locateFile']) { - wasmBinaryFile = 'playground.wasm'; - if (!isDataURI(wasmBinaryFile)) { - wasmBinaryFile = locateFile(wasmBinaryFile); - } -} else { - // Use bundler-friendly `new URL(..., import.meta.url)` pattern; works in browsers too. - wasmBinaryFile = new URL('playground.wasm', import.meta.url).href; -} - -function getBinarySync(file) { - if (file == wasmBinaryFile && wasmBinary) { - return new Uint8Array(wasmBinary); - } - if (readBinary) { - return readBinary(file); - } - throw 'both async and sync fetching of the wasm failed'; -} - -function getBinaryPromise(binaryFile) { - // If we don't have the binary yet, try to load it asynchronously. - // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. - // See https://github.com/github/fetch/pull/92#issuecomment-140665932 - // Cordova or Electron apps are typically loaded from a file:// url. - // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. - if (!wasmBinary - && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { - if (typeof fetch == 'function' - && !isFileURI(binaryFile) - ) { - return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => { - if (!response['ok']) { - throw `failed to load wasm binary file at '${binaryFile}'`; - } - return response['arrayBuffer'](); - }).catch(() => getBinarySync(binaryFile)); - } - else if (readAsync) { - // fetch is not available or url is file => try XHR (readAsync uses XHR internally) - return new Promise((resolve, reject) => { - readAsync(binaryFile, (response) => resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))), reject) - }); - } - } - - // Otherwise, getBinarySync should be able to get it synchronously - return Promise.resolve().then(() => getBinarySync(binaryFile)); -} - -function instantiateArrayBuffer(binaryFile, imports, receiver) { - return getBinaryPromise(binaryFile).then((binary) => { - return WebAssembly.instantiate(binary, imports); - }).then(receiver, (reason) => { - err(`failed to asynchronously prepare wasm: ${reason}`); - - // Warn on some common problems. - if (isFileURI(wasmBinaryFile)) { - err(`warning: Loading from a file URI (${wasmBinaryFile}) is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing`); - } - abort(reason); - }); -} - -function instantiateAsync(binary, binaryFile, imports, callback) { - if (!binary && - typeof WebAssembly.instantiateStreaming == 'function' && - !isDataURI(binaryFile) && - // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously. - !isFileURI(binaryFile) && - // Avoid instantiateStreaming() on Node.js environment for now, as while - // Node.js v18.1.0 implements it, it does not have a full fetch() - // implementation yet. - // - // Reference: - // https://github.com/emscripten-core/emscripten/pull/16917 - !ENVIRONMENT_IS_NODE && - typeof fetch == 'function') { - return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => { - // Suppress closure warning here since the upstream definition for - // instantiateStreaming only allows Promise rather than - // an actual Response. - // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed. - /** @suppress {checkTypes} */ - var result = WebAssembly.instantiateStreaming(response, imports); - - return result.then( - callback, - function(reason) { - // We expect the most common failure cause to be a bad MIME type for the binary, - // in which case falling back to ArrayBuffer instantiation should work. - err(`wasm streaming compile failed: ${reason}`); - err('falling back to ArrayBuffer instantiation'); - return instantiateArrayBuffer(binaryFile, imports, callback); - }); - }); - } - return instantiateArrayBuffer(binaryFile, imports, callback); -} - -// Create the wasm instance. -// Receives the wasm imports, returns the exports. -function createWasm() { - // prepare imports - var info = { - 'env': wasmImports, - 'wasi_snapshot_preview1': wasmImports, - }; - // Load the wasm module and create an instance of using native support in the JS engine. - // handle a generated wasm instance, receiving its exports and - // performing other necessary setup - /** @param {WebAssembly.Module=} module*/ - function receiveInstance(instance, module) { - wasmExports = instance.exports; - - - - wasmMemory = wasmExports['memory']; - - assert(wasmMemory, 'memory not found in wasm exports'); - updateMemoryViews(); - - addOnInit(wasmExports['__wasm_call_ctors']); - - removeRunDependency('wasm-instantiate'); - return wasmExports; - } - // wait for the pthread pool (if any) - addRunDependency('wasm-instantiate'); - - // Prefer streaming instantiation if available. - // Async compilation can be confusing when an error on the page overwrites Module - // (for example, if the order of elements is wrong, and the one defining Module is - // later), so we save Module and check it later. - var trueModule = Module; - function receiveInstantiationResult(result) { - // 'result' is a ResultObject object which has both the module and instance. - // receiveInstance() will swap in the exports (to Module.asm) so they can be called - assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?'); - trueModule = null; - // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. - // When the regression is fixed, can restore the above PTHREADS-enabled path. - receiveInstance(result['instance']); - } - - // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback - // to manually instantiate the Wasm module themselves. This allows pages to - // run the instantiation parallel to any other async startup actions they are - // performing. - // Also pthreads and wasm workers initialize the wasm instance through this - // path. - if (Module['instantiateWasm']) { - - try { - return Module['instantiateWasm'](info, receiveInstance); - } catch(e) { - err(`Module.instantiateWasm callback failed with error: ${e}`); - // If instantiation fails, reject the module ready promise. - readyPromiseReject(e); - } - } - - // If instantiation fails, reject the module ready promise. - instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult).catch(readyPromiseReject); - return {}; // no exports yet; we'll fill them in later -} - -// Globals used by JS i64 conversions (see makeSetValue) -var tempDouble; -var tempI64; - -// include: runtime_debug.js -function legacyModuleProp(prop, newName, incoming=true) { - if (!Object.getOwnPropertyDescriptor(Module, prop)) { - Object.defineProperty(Module, prop, { - configurable: true, - get() { - let extra = incoming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : ''; - abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra); - - } - }); - } -} - -function ignoredModuleProp(prop) { - if (Object.getOwnPropertyDescriptor(Module, prop)) { - abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`); - } -} - -// forcing the filesystem exports a few things by default -function isExportedByForceFilesystem(name) { - return name === 'FS_createPath' || - name === 'FS_createDataFile' || - name === 'FS_createPreloadedFile' || - name === 'FS_unlink' || - name === 'addRunDependency' || - // The old FS has some functionality that WasmFS lacks. - name === 'FS_createLazyFile' || - name === 'FS_createDevice' || - name === 'removeRunDependency'; -} - -function missingGlobal(sym, msg) { - if (typeof globalThis !== 'undefined') { - Object.defineProperty(globalThis, sym, { - configurable: true, - get() { - warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`); - return undefined; - } - }); - } -} - -missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer'); -missingGlobal('asm', 'Please use wasmExports instead'); - -function missingLibrarySymbol(sym) { - if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) { - Object.defineProperty(globalThis, sym, { - configurable: true, - get() { - // Can't `abort()` here because it would break code that does runtime - // checks. e.g. `if (typeof SDL === 'undefined')`. - var msg = `\`${sym}\` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line`; - // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in - // library.js, which means $name for a JS name with no prefix, or name - // for a JS name like _name. - var librarySymbol = sym; - if (!librarySymbol.startsWith('_')) { - librarySymbol = '$' + sym; - } - msg += ` (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='${librarySymbol}')`; - if (isExportedByForceFilesystem(sym)) { - msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; - } - warnOnce(msg); - return undefined; - } - }); - } - // Any symbol that is not included from the JS library is also (by definition) - // not exported on the Module object. - unexportedRuntimeSymbol(sym); -} - -function unexportedRuntimeSymbol(sym) { - if (!Object.getOwnPropertyDescriptor(Module, sym)) { - Object.defineProperty(Module, sym, { - configurable: true, - get() { - var msg = `'${sym}' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)`; - if (isExportedByForceFilesystem(sym)) { - msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; - } - abort(msg); - } - }); - } -} - -// Used by XXXXX_DEBUG settings to output debug messages. -function dbg(...args) { - // TODO(sbc): Make this configurable somehow. Its not always convenient for - // logging to show up as warnings. - console.warn(...args); -} -// end include: runtime_debug.js -// === Body === -// end include: preamble.js - - - /** @constructor */ - function ExitStatus(status) { - this.name = 'ExitStatus'; - this.message = `Program terminated with exit(${status})`; - this.status = status; - } - - var callRuntimeCallbacks = (callbacks) => { - while (callbacks.length > 0) { - // Pass the module as the first argument. - callbacks.shift()(Module); - } - }; - - - /** - * @param {number} ptr - * @param {string} type - */ - function getValue(ptr, type = 'i8') { - if (type.endsWith('*')) type = '*'; - switch (type) { - case 'i1': return HEAP8[ptr]; - case 'i8': return HEAP8[ptr]; - case 'i16': return HEAP16[((ptr)>>1)]; - case 'i32': return HEAP32[((ptr)>>2)]; - case 'i64': abort('to do getValue(i64) use WASM_BIGINT'); - case 'float': return HEAPF32[((ptr)>>2)]; - case 'double': return HEAPF64[((ptr)>>3)]; - case '*': return HEAPU32[((ptr)>>2)]; - default: abort(`invalid type for getValue: ${type}`); - } - } - - var noExitRuntime = Module['noExitRuntime'] || true; - - var ptrToString = (ptr) => { - assert(typeof ptr === 'number'); - // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned. - ptr >>>= 0; - return '0x' + ptr.toString(16).padStart(8, '0'); - }; - - - /** - * @param {number} ptr - * @param {number} value - * @param {string} type - */ - function setValue(ptr, value, type = 'i8') { - if (type.endsWith('*')) type = '*'; - switch (type) { - case 'i1': HEAP8[ptr] = value; break; - case 'i8': HEAP8[ptr] = value; break; - case 'i16': HEAP16[((ptr)>>1)] = value; break; - case 'i32': HEAP32[((ptr)>>2)] = value; break; - case 'i64': abort('to do setValue(i64) use WASM_BIGINT'); - case 'float': HEAPF32[((ptr)>>2)] = value; break; - case 'double': HEAPF64[((ptr)>>3)] = value; break; - case '*': HEAPU32[((ptr)>>2)] = value; break; - default: abort(`invalid type for setValue: ${type}`); - } - } - - var warnOnce = (text) => { - warnOnce.shown ||= {}; - if (!warnOnce.shown[text]) { - warnOnce.shown[text] = 1; - if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text; - err(text); - } - }; - - class ExceptionInfo { - // excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it. - constructor(excPtr) { - this.excPtr = excPtr; - this.ptr = excPtr - 24; - } - - set_type(type) { - HEAPU32[(((this.ptr)+(4))>>2)] = type; - } - - get_type() { - return HEAPU32[(((this.ptr)+(4))>>2)]; - } - - set_destructor(destructor) { - HEAPU32[(((this.ptr)+(8))>>2)] = destructor; - } - - get_destructor() { - return HEAPU32[(((this.ptr)+(8))>>2)]; - } - - set_caught(caught) { - caught = caught ? 1 : 0; - HEAP8[(this.ptr)+(12)] = caught; - } - - get_caught() { - return HEAP8[(this.ptr)+(12)] != 0; - } - - set_rethrown(rethrown) { - rethrown = rethrown ? 1 : 0; - HEAP8[(this.ptr)+(13)] = rethrown; - } - - get_rethrown() { - return HEAP8[(this.ptr)+(13)] != 0; - } - - // Initialize native structure fields. Should be called once after allocated. - init(type, destructor) { - this.set_adjusted_ptr(0); - this.set_type(type); - this.set_destructor(destructor); - } - - set_adjusted_ptr(adjustedPtr) { - HEAPU32[(((this.ptr)+(16))>>2)] = adjustedPtr; - } - - get_adjusted_ptr() { - return HEAPU32[(((this.ptr)+(16))>>2)]; - } - - // Get pointer which is expected to be received by catch clause in C++ code. It may be adjusted - // when the pointer is casted to some of the exception object base classes (e.g. when virtual - // inheritance is used). When a pointer is thrown this method should return the thrown pointer - // itself. - get_exception_ptr() { - // Work around a fastcomp bug, this code is still included for some reason in a build without - // exceptions support. - var isPointer = ___cxa_is_pointer_type(this.get_type()); - if (isPointer) { - return HEAPU32[((this.excPtr)>>2)]; - } - var adjusted = this.get_adjusted_ptr(); - if (adjusted !== 0) return adjusted; - return this.excPtr; - } - } - - var exceptionLast = 0; - - var uncaughtExceptionCount = 0; - var ___cxa_throw = (ptr, type, destructor) => { - var info = new ExceptionInfo(ptr); - // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception. - info.init(type, destructor); - exceptionLast = ptr; - uncaughtExceptionCount++; - assert(false, 'Exception thrown, but exception catching is not enabled. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch.'); - }; - - var PATH = { - isAbs:(path) => path.charAt(0) === '/', - splitPath:(filename) => { - var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; - return splitPathRe.exec(filename).slice(1); - }, - normalizeArray:(parts, allowAboveRoot) => { - // if the path tries to go above the root, `up` ends up > 0 - var up = 0; - for (var i = parts.length - 1; i >= 0; i--) { - var last = parts[i]; - if (last === '.') { - parts.splice(i, 1); - } else if (last === '..') { - parts.splice(i, 1); - up++; - } else if (up) { - parts.splice(i, 1); - up--; - } - } - // if the path is allowed to go above the root, restore leading ..s - if (allowAboveRoot) { - for (; up; up--) { - parts.unshift('..'); - } - } - return parts; - }, - normalize:(path) => { - var isAbsolute = PATH.isAbs(path), - trailingSlash = path.substr(-1) === '/'; - // Normalize the path - path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/'); - if (!path && !isAbsolute) { - path = '.'; - } - if (path && trailingSlash) { - path += '/'; - } - return (isAbsolute ? '/' : '') + path; - }, - dirname:(path) => { - var result = PATH.splitPath(path), - root = result[0], - dir = result[1]; - if (!root && !dir) { - // No dirname whatsoever - return '.'; - } - if (dir) { - // It has a dirname, strip trailing slash - dir = dir.substr(0, dir.length - 1); - } - return root + dir; - }, - basename:(path) => { - // EMSCRIPTEN return '/'' for '/', not an empty string - if (path === '/') return '/'; - path = PATH.normalize(path); - path = path.replace(/\/$/, ""); - var lastSlash = path.lastIndexOf('/'); - if (lastSlash === -1) return path; - return path.substr(lastSlash+1); - }, - join:(...paths) => PATH.normalize(paths.join('/')), - join2:(l, r) => PATH.normalize(l + '/' + r), - }; - - var initRandomFill = () => { - if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') { - // for modern web browsers - return (view) => crypto.getRandomValues(view); - } else - if (ENVIRONMENT_IS_NODE) { - // for nodejs with or without crypto support included - try { - var crypto_module = require('crypto'); - var randomFillSync = crypto_module['randomFillSync']; - if (randomFillSync) { - // nodejs with LTS crypto support - return (view) => crypto_module['randomFillSync'](view); - } - // very old nodejs with the original crypto API - var randomBytes = crypto_module['randomBytes']; - return (view) => ( - view.set(randomBytes(view.byteLength)), - // Return the original view to match modern native implementations. - view - ); - } catch (e) { - // nodejs doesn't have crypto support - } - } - // we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096 - abort('no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: (array) => { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };'); - }; - var randomFill = (view) => { - // Lazily init on the first invocation. - return (randomFill = initRandomFill())(view); - }; - - - - var PATH_FS = { - resolve:(...args) => { - var resolvedPath = '', - resolvedAbsolute = false; - for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) { - var path = (i >= 0) ? args[i] : FS.cwd(); - // Skip empty and invalid entries - if (typeof path != 'string') { - throw new TypeError('Arguments to path.resolve must be strings'); - } else if (!path) { - return ''; // an invalid portion invalidates the whole thing - } - resolvedPath = path + '/' + resolvedPath; - resolvedAbsolute = PATH.isAbs(path); - } - // At this point the path should be resolved to a full absolute path, but - // handle relative paths to be safe (might happen when process.cwd() fails) - resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter((p) => !!p), !resolvedAbsolute).join('/'); - return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; - }, - relative:(from, to) => { - from = PATH_FS.resolve(from).substr(1); - to = PATH_FS.resolve(to).substr(1); - function trim(arr) { - var start = 0; - for (; start < arr.length; start++) { - if (arr[start] !== '') break; - } - var end = arr.length - 1; - for (; end >= 0; end--) { - if (arr[end] !== '') break; - } - if (start > end) return []; - return arr.slice(start, end - start + 1); - } - var fromParts = trim(from.split('/')); - var toParts = trim(to.split('/')); - var length = Math.min(fromParts.length, toParts.length); - var samePartsLength = length; - for (var i = 0; i < length; i++) { - if (fromParts[i] !== toParts[i]) { - samePartsLength = i; - break; - } - } - var outputParts = []; - for (var i = samePartsLength; i < fromParts.length; i++) { - outputParts.push('..'); - } - outputParts = outputParts.concat(toParts.slice(samePartsLength)); - return outputParts.join('/'); - }, - }; - - - var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; - - /** - * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given - * array that contains uint8 values, returns a copy of that string as a - * Javascript String object. - * heapOrArray is either a regular array, or a JavaScript typed array view. - * @param {number} idx - * @param {number=} maxBytesToRead - * @return {string} - */ - var UTF8ArrayToString = (heapOrArray, idx, maxBytesToRead) => { - var endIdx = idx + maxBytesToRead; - var endPtr = idx; - // TextDecoder needs to know the byte length in advance, it doesn't stop on - // null terminator by itself. Also, use the length info to avoid running tiny - // strings through TextDecoder, since .subarray() allocates garbage. - // (As a tiny code save trick, compare endPtr against endIdx using a negation, - // so that undefined means Infinity) - while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr; - - if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) { - return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr)); - } - var str = ''; - // If building with TextDecoder, we have already computed the string length - // above, so test loop end condition against that - while (idx < endPtr) { - // For UTF8 byte structure, see: - // http://en.wikipedia.org/wiki/UTF-8#Description - // https://www.ietf.org/rfc/rfc2279.txt - // https://tools.ietf.org/html/rfc3629 - var u0 = heapOrArray[idx++]; - if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } - var u1 = heapOrArray[idx++] & 63; - if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } - var u2 = heapOrArray[idx++] & 63; - if ((u0 & 0xF0) == 0xE0) { - u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; - } else { - if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte ' + ptrToString(u0) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!'); - u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63); - } - - if (u0 < 0x10000) { - str += String.fromCharCode(u0); - } else { - var ch = u0 - 0x10000; - str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); - } - } - return str; - }; - - var FS_stdin_getChar_buffer = []; - - var lengthBytesUTF8 = (str) => { - var len = 0; - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code - // unit, not a Unicode code point of the character! So decode - // UTF16->UTF32->UTF8. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - var c = str.charCodeAt(i); // possibly a lead surrogate - if (c <= 0x7F) { - len++; - } else if (c <= 0x7FF) { - len += 2; - } else if (c >= 0xD800 && c <= 0xDFFF) { - len += 4; ++i; - } else { - len += 3; - } - } - return len; - }; - - var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => { - assert(typeof str === 'string', `stringToUTF8Array expects a string (got ${typeof str})`); - // Parameter maxBytesToWrite is not optional. Negative values, 0, null, - // undefined and false each don't write out any bytes. - if (!(maxBytesToWrite > 0)) - return 0; - - var startIdx = outIdx; - var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. - for (var i = 0; i < str.length; ++i) { - // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code - // unit, not a Unicode code point of the character! So decode - // UTF16->UTF32->UTF8. - // See http://unicode.org/faq/utf_bom.html#utf16-3 - // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description - // and https://www.ietf.org/rfc/rfc2279.txt - // and https://tools.ietf.org/html/rfc3629 - var u = str.charCodeAt(i); // possibly a lead surrogate - if (u >= 0xD800 && u <= 0xDFFF) { - var u1 = str.charCodeAt(++i); - u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); - } - if (u <= 0x7F) { - if (outIdx >= endIdx) break; - heap[outIdx++] = u; - } else if (u <= 0x7FF) { - if (outIdx + 1 >= endIdx) break; - heap[outIdx++] = 0xC0 | (u >> 6); - heap[outIdx++] = 0x80 | (u & 63); - } else if (u <= 0xFFFF) { - if (outIdx + 2 >= endIdx) break; - heap[outIdx++] = 0xE0 | (u >> 12); - heap[outIdx++] = 0x80 | ((u >> 6) & 63); - heap[outIdx++] = 0x80 | (u & 63); - } else { - if (outIdx + 3 >= endIdx) break; - if (u > 0x10FFFF) warnOnce('Invalid Unicode code point ' + ptrToString(u) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).'); - heap[outIdx++] = 0xF0 | (u >> 18); - heap[outIdx++] = 0x80 | ((u >> 12) & 63); - heap[outIdx++] = 0x80 | ((u >> 6) & 63); - heap[outIdx++] = 0x80 | (u & 63); - } - } - // Null-terminate the pointer to the buffer. - heap[outIdx] = 0; - return outIdx - startIdx; - }; - /** @type {function(string, boolean=, number=)} */ - function intArrayFromString(stringy, dontAddNull, length) { - var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; - var u8array = new Array(len); - var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); - if (dontAddNull) u8array.length = numBytesWritten; - return u8array; - } - var FS_stdin_getChar = () => { - if (!FS_stdin_getChar_buffer.length) { - var result = null; - if (ENVIRONMENT_IS_NODE) { - // we will read data by chunks of BUFSIZE - var BUFSIZE = 256; - var buf = Buffer.alloc(BUFSIZE); - var bytesRead = 0; - - // For some reason we must suppress a closure warning here, even though - // fd definitely exists on process.stdin, and is even the proper way to - // get the fd of stdin, - // https://github.com/nodejs/help/issues/2136#issuecomment-523649904 - // This started to happen after moving this logic out of library_tty.js, - // so it is related to the surrounding code in some unclear manner. - /** @suppress {missingProperties} */ - var fd = process.stdin.fd; - - try { - bytesRead = fs.readSync(fd, buf); - } catch(e) { - // Cross-platform differences: on Windows, reading EOF throws an exception, but on other OSes, - // reading EOF returns 0. Uniformize behavior by treating the EOF exception to return 0. - if (e.toString().includes('EOF')) bytesRead = 0; - else throw e; - } - - if (bytesRead > 0) { - result = buf.slice(0, bytesRead).toString('utf-8'); - } else { - result = null; - } - } else - if (typeof window != 'undefined' && - typeof window.prompt == 'function') { - // Browser. - result = window.prompt('Input: '); // returns null on cancel - if (result !== null) { - result += '\n'; - } - } else if (typeof readline == 'function') { - // Command line. - result = readline(); - if (result !== null) { - result += '\n'; - } - } - if (!result) { - return null; - } - FS_stdin_getChar_buffer = intArrayFromString(result, true); - } - return FS_stdin_getChar_buffer.shift(); - }; - var TTY = { - ttys:[], - init() { - // https://github.com/emscripten-core/emscripten/pull/1555 - // if (ENVIRONMENT_IS_NODE) { - // // currently, FS.init does not distinguish if process.stdin is a file or TTY - // // device, it always assumes it's a TTY device. because of this, we're forcing - // // process.stdin to UTF8 encoding to at least make stdin reading compatible - // // with text files until FS.init can be refactored. - // process.stdin.setEncoding('utf8'); - // } - }, - shutdown() { - // https://github.com/emscripten-core/emscripten/pull/1555 - // if (ENVIRONMENT_IS_NODE) { - // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)? - // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation - // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists? - // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle - // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call - // process.stdin.pause(); - // } - }, - register(dev, ops) { - TTY.ttys[dev] = { input: [], output: [], ops: ops }; - FS.registerDevice(dev, TTY.stream_ops); - }, - stream_ops:{ - open(stream) { - var tty = TTY.ttys[stream.node.rdev]; - if (!tty) { - throw new FS.ErrnoError(43); - } - stream.tty = tty; - stream.seekable = false; - }, - close(stream) { - // flush any pending line data - stream.tty.ops.fsync(stream.tty); - }, - fsync(stream) { - stream.tty.ops.fsync(stream.tty); - }, - read(stream, buffer, offset, length, pos /* ignored */) { - if (!stream.tty || !stream.tty.ops.get_char) { - throw new FS.ErrnoError(60); - } - var bytesRead = 0; - for (var i = 0; i < length; i++) { - var result; - try { - result = stream.tty.ops.get_char(stream.tty); - } catch (e) { - throw new FS.ErrnoError(29); - } - if (result === undefined && bytesRead === 0) { - throw new FS.ErrnoError(6); - } - if (result === null || result === undefined) break; - bytesRead++; - buffer[offset+i] = result; - } - if (bytesRead) { - stream.node.timestamp = Date.now(); - } - return bytesRead; - }, - write(stream, buffer, offset, length, pos) { - if (!stream.tty || !stream.tty.ops.put_char) { - throw new FS.ErrnoError(60); - } - try { - for (var i = 0; i < length; i++) { - stream.tty.ops.put_char(stream.tty, buffer[offset+i]); - } - } catch (e) { - throw new FS.ErrnoError(29); - } - if (length) { - stream.node.timestamp = Date.now(); - } - return i; - }, - }, - default_tty_ops:{ - get_char(tty) { - return FS_stdin_getChar(); - }, - put_char(tty, val) { - if (val === null || val === 10) { - out(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } else { - if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle. - } - }, - fsync(tty) { - if (tty.output && tty.output.length > 0) { - out(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } - }, - ioctl_tcgets(tty) { - // typical setting - return { - c_iflag: 25856, - c_oflag: 5, - c_cflag: 191, - c_lflag: 35387, - c_cc: [ - 0x03, 0x1c, 0x7f, 0x15, 0x04, 0x00, 0x01, 0x00, 0x11, 0x13, 0x1a, 0x00, - 0x12, 0x0f, 0x17, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - ] - }; - }, - ioctl_tcsets(tty, optional_actions, data) { - // currently just ignore - return 0; - }, - ioctl_tiocgwinsz(tty) { - return [24, 80]; - }, - }, - default_tty1_ops:{ - put_char(tty, val) { - if (val === null || val === 10) { - err(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } else { - if (val != 0) tty.output.push(val); - } - }, - fsync(tty) { - if (tty.output && tty.output.length > 0) { - err(UTF8ArrayToString(tty.output, 0)); - tty.output = []; - } - }, - }, - }; - - - var zeroMemory = (address, size) => { - HEAPU8.fill(0, address, address + size); - return address; - }; - - var alignMemory = (size, alignment) => { - assert(alignment, "alignment argument is required"); - return Math.ceil(size / alignment) * alignment; - }; - var mmapAlloc = (size) => { - abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported'); - }; - var MEMFS = { - ops_table:null, - mount(mount) { - return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0); - }, - createNode(parent, name, mode, dev) { - if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { - // no supported - throw new FS.ErrnoError(63); - } - MEMFS.ops_table ||= { - dir: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr, - lookup: MEMFS.node_ops.lookup, - mknod: MEMFS.node_ops.mknod, - rename: MEMFS.node_ops.rename, - unlink: MEMFS.node_ops.unlink, - rmdir: MEMFS.node_ops.rmdir, - readdir: MEMFS.node_ops.readdir, - symlink: MEMFS.node_ops.symlink - }, - stream: { - llseek: MEMFS.stream_ops.llseek - } - }, - file: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr - }, - stream: { - llseek: MEMFS.stream_ops.llseek, - read: MEMFS.stream_ops.read, - write: MEMFS.stream_ops.write, - allocate: MEMFS.stream_ops.allocate, - mmap: MEMFS.stream_ops.mmap, - msync: MEMFS.stream_ops.msync - } - }, - link: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr, - readlink: MEMFS.node_ops.readlink - }, - stream: {} - }, - chrdev: { - node: { - getattr: MEMFS.node_ops.getattr, - setattr: MEMFS.node_ops.setattr - }, - stream: FS.chrdev_stream_ops - } - }; - var node = FS.createNode(parent, name, mode, dev); - if (FS.isDir(node.mode)) { - node.node_ops = MEMFS.ops_table.dir.node; - node.stream_ops = MEMFS.ops_table.dir.stream; - node.contents = {}; - } else if (FS.isFile(node.mode)) { - node.node_ops = MEMFS.ops_table.file.node; - node.stream_ops = MEMFS.ops_table.file.stream; - node.usedBytes = 0; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity. - // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred - // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size - // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme. - node.contents = null; - } else if (FS.isLink(node.mode)) { - node.node_ops = MEMFS.ops_table.link.node; - node.stream_ops = MEMFS.ops_table.link.stream; - } else if (FS.isChrdev(node.mode)) { - node.node_ops = MEMFS.ops_table.chrdev.node; - node.stream_ops = MEMFS.ops_table.chrdev.stream; - } - node.timestamp = Date.now(); - // add the new node to the parent - if (parent) { - parent.contents[name] = node; - parent.timestamp = node.timestamp; - } - return node; - }, - getFileDataAsTypedArray(node) { - if (!node.contents) return new Uint8Array(0); - if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes. - return new Uint8Array(node.contents); - }, - expandFileStorage(node, newCapacity) { - var prevCapacity = node.contents ? node.contents.length : 0; - if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough. - // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity. - // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to - // avoid overshooting the allocation cap by a very large margin. - var CAPACITY_DOUBLING_MAX = 1024 * 1024; - newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0); - if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding. - var oldContents = node.contents; - node.contents = new Uint8Array(newCapacity); // Allocate new storage. - if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage. - }, - resizeFileStorage(node, newSize) { - if (node.usedBytes == newSize) return; - if (newSize == 0) { - node.contents = null; // Fully decommit when requesting a resize to zero. - node.usedBytes = 0; - } else { - var oldContents = node.contents; - node.contents = new Uint8Array(newSize); // Allocate new storage. - if (oldContents) { - node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage. - } - node.usedBytes = newSize; - } - }, - node_ops:{ - getattr(node) { - var attr = {}; - // device numbers reuse inode numbers. - attr.dev = FS.isChrdev(node.mode) ? node.id : 1; - attr.ino = node.id; - attr.mode = node.mode; - attr.nlink = 1; - attr.uid = 0; - attr.gid = 0; - attr.rdev = node.rdev; - if (FS.isDir(node.mode)) { - attr.size = 4096; - } else if (FS.isFile(node.mode)) { - attr.size = node.usedBytes; - } else if (FS.isLink(node.mode)) { - attr.size = node.link.length; - } else { - attr.size = 0; - } - attr.atime = new Date(node.timestamp); - attr.mtime = new Date(node.timestamp); - attr.ctime = new Date(node.timestamp); - // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize), - // but this is not required by the standard. - attr.blksize = 4096; - attr.blocks = Math.ceil(attr.size / attr.blksize); - return attr; - }, - setattr(node, attr) { - if (attr.mode !== undefined) { - node.mode = attr.mode; - } - if (attr.timestamp !== undefined) { - node.timestamp = attr.timestamp; - } - if (attr.size !== undefined) { - MEMFS.resizeFileStorage(node, attr.size); - } - }, - lookup(parent, name) { - throw FS.genericErrors[44]; - }, - mknod(parent, name, mode, dev) { - return MEMFS.createNode(parent, name, mode, dev); - }, - rename(old_node, new_dir, new_name) { - // if we're overwriting a directory at new_name, make sure it's empty. - if (FS.isDir(old_node.mode)) { - var new_node; - try { - new_node = FS.lookupNode(new_dir, new_name); - } catch (e) { - } - if (new_node) { - for (var i in new_node.contents) { - throw new FS.ErrnoError(55); - } - } - } - // do the internal rewiring - delete old_node.parent.contents[old_node.name]; - old_node.parent.timestamp = Date.now() - old_node.name = new_name; - new_dir.contents[new_name] = old_node; - new_dir.timestamp = old_node.parent.timestamp; - old_node.parent = new_dir; - }, - unlink(parent, name) { - delete parent.contents[name]; - parent.timestamp = Date.now(); - }, - rmdir(parent, name) { - var node = FS.lookupNode(parent, name); - for (var i in node.contents) { - throw new FS.ErrnoError(55); - } - delete parent.contents[name]; - parent.timestamp = Date.now(); - }, - readdir(node) { - var entries = ['.', '..']; - for (var key of Object.keys(node.contents)) { - entries.push(key); - } - return entries; - }, - symlink(parent, newname, oldpath) { - var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0); - node.link = oldpath; - return node; - }, - readlink(node) { - if (!FS.isLink(node.mode)) { - throw new FS.ErrnoError(28); - } - return node.link; - }, - }, - stream_ops:{ - read(stream, buffer, offset, length, position) { - var contents = stream.node.contents; - if (position >= stream.node.usedBytes) return 0; - var size = Math.min(stream.node.usedBytes - position, length); - assert(size >= 0); - if (size > 8 && contents.subarray) { // non-trivial, and typed array - buffer.set(contents.subarray(position, position + size), offset); - } else { - for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]; - } - return size; - }, - write(stream, buffer, offset, length, position, canOwn) { - // The data buffer should be a typed array view - assert(!(buffer instanceof ArrayBuffer)); - // If the buffer is located in main memory (HEAP), and if - // memory can grow, we can't hold on to references of the - // memory buffer, as they may get invalidated. That means we - // need to do copy its contents. - if (buffer.buffer === HEAP8.buffer) { - canOwn = false; - } - - if (!length) return 0; - var node = stream.node; - node.timestamp = Date.now(); - - if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array? - if (canOwn) { - assert(position === 0, 'canOwn must imply no weird position inside the file'); - node.contents = buffer.subarray(offset, offset + length); - node.usedBytes = length; - return length; - } else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data. - node.contents = buffer.slice(offset, offset + length); - node.usedBytes = length; - return length; - } else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file? - node.contents.set(buffer.subarray(offset, offset + length), position); - return length; - } - } - - // Appending to an existing file and we need to reallocate, or source data did not come as a typed array. - MEMFS.expandFileStorage(node, position+length); - if (node.contents.subarray && buffer.subarray) { - // Use typed array write which is available. - node.contents.set(buffer.subarray(offset, offset + length), position); - } else { - for (var i = 0; i < length; i++) { - node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not. - } - } - node.usedBytes = Math.max(node.usedBytes, position + length); - return length; - }, - llseek(stream, offset, whence) { - var position = offset; - if (whence === 1) { - position += stream.position; - } else if (whence === 2) { - if (FS.isFile(stream.node.mode)) { - position += stream.node.usedBytes; - } - } - if (position < 0) { - throw new FS.ErrnoError(28); - } - return position; - }, - allocate(stream, offset, length) { - MEMFS.expandFileStorage(stream.node, offset + length); - stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length); - }, - mmap(stream, length, position, prot, flags) { - if (!FS.isFile(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - var ptr; - var allocated; - var contents = stream.node.contents; - // Only make a new copy when MAP_PRIVATE is specified. - if (!(flags & 2) && contents.buffer === HEAP8.buffer) { - // We can't emulate MAP_SHARED when the file is not backed by the - // buffer we're mapping to (e.g. the HEAP buffer). - allocated = false; - ptr = contents.byteOffset; - } else { - // Try to avoid unnecessary slices. - if (position > 0 || position + length < contents.length) { - if (contents.subarray) { - contents = contents.subarray(position, position + length); - } else { - contents = Array.prototype.slice.call(contents, position, position + length); - } - } - allocated = true; - ptr = mmapAlloc(length); - if (!ptr) { - throw new FS.ErrnoError(48); - } - HEAP8.set(contents, ptr); - } - return { ptr, allocated }; - }, - msync(stream, buffer, offset, length, mmapFlags) { - MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); - // should we check if bytesWritten and length are the same? - return 0; - }, - }, - }; - - /** @param {boolean=} noRunDep */ - var asyncLoad = (url, onload, onerror, noRunDep) => { - var dep = !noRunDep ? getUniqueRunDependency(`al ${url}`) : ''; - readAsync(url, (arrayBuffer) => { - assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`); - onload(new Uint8Array(arrayBuffer)); - if (dep) removeRunDependency(dep); - }, (event) => { - if (onerror) { - onerror(); - } else { - throw `Loading data file "${url}" failed.`; - } - }); - if (dep) addRunDependency(dep); - }; - - - var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => { - FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn); - }; - - var preloadPlugins = Module['preloadPlugins'] || []; - var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => { - // Ensure plugins are ready. - if (typeof Browser != 'undefined') Browser.init(); - - var handled = false; - preloadPlugins.forEach((plugin) => { - if (handled) return; - if (plugin['canHandle'](fullname)) { - plugin['handle'](byteArray, fullname, finish, onerror); - handled = true; - } - }); - return handled; - }; - var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { - // TODO we should allow people to just pass in a complete filename instead - // of parent and name being that we just join them anyways - var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent; - var dep = getUniqueRunDependency(`cp ${fullname}`); // might have several active requests for the same fullname - function processData(byteArray) { - function finish(byteArray) { - preFinish?.(); - if (!dontCreateFile) { - FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); - } - onload?.(); - removeRunDependency(dep); - } - if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => { - onerror?.(); - removeRunDependency(dep); - })) { - return; - } - finish(byteArray); - } - addRunDependency(dep); - if (typeof url == 'string') { - asyncLoad(url, processData, onerror); - } else { - processData(url); - } - }; - - var FS_modeStringToFlags = (str) => { - var flagModes = { - 'r': 0, - 'r+': 2, - 'w': 512 | 64 | 1, - 'w+': 512 | 64 | 2, - 'a': 1024 | 64 | 1, - 'a+': 1024 | 64 | 2, - }; - var flags = flagModes[str]; - if (typeof flags == 'undefined') { - throw new Error(`Unknown file open mode: ${str}`); - } - return flags; - }; - - var FS_getMode = (canRead, canWrite) => { - var mode = 0; - if (canRead) mode |= 292 | 73; - if (canWrite) mode |= 146; - return mode; - }; - - - - - var ERRNO_MESSAGES = { - 0:"Success", - 1:"Arg list too long", - 2:"Permission denied", - 3:"Address already in use", - 4:"Address not available", - 5:"Address family not supported by protocol family", - 6:"No more processes", - 7:"Socket already connected", - 8:"Bad file number", - 9:"Trying to read unreadable message", - 10:"Mount device busy", - 11:"Operation canceled", - 12:"No children", - 13:"Connection aborted", - 14:"Connection refused", - 15:"Connection reset by peer", - 16:"File locking deadlock error", - 17:"Destination address required", - 18:"Math arg out of domain of func", - 19:"Quota exceeded", - 20:"File exists", - 21:"Bad address", - 22:"File too large", - 23:"Host is unreachable", - 24:"Identifier removed", - 25:"Illegal byte sequence", - 26:"Connection already in progress", - 27:"Interrupted system call", - 28:"Invalid argument", - 29:"I/O error", - 30:"Socket is already connected", - 31:"Is a directory", - 32:"Too many symbolic links", - 33:"Too many open files", - 34:"Too many links", - 35:"Message too long", - 36:"Multihop attempted", - 37:"File or path name too long", - 38:"Network interface is not configured", - 39:"Connection reset by network", - 40:"Network is unreachable", - 41:"Too many open files in system", - 42:"No buffer space available", - 43:"No such device", - 44:"No such file or directory", - 45:"Exec format error", - 46:"No record locks available", - 47:"The link has been severed", - 48:"Not enough core", - 49:"No message of desired type", - 50:"Protocol not available", - 51:"No space left on device", - 52:"Function not implemented", - 53:"Socket is not connected", - 54:"Not a directory", - 55:"Directory not empty", - 56:"State not recoverable", - 57:"Socket operation on non-socket", - 59:"Not a typewriter", - 60:"No such device or address", - 61:"Value too large for defined data type", - 62:"Previous owner died", - 63:"Not super-user", - 64:"Broken pipe", - 65:"Protocol error", - 66:"Unknown protocol", - 67:"Protocol wrong type for socket", - 68:"Math result not representable", - 69:"Read only file system", - 70:"Illegal seek", - 71:"No such process", - 72:"Stale file handle", - 73:"Connection timed out", - 74:"Text file busy", - 75:"Cross-device link", - 100:"Device not a stream", - 101:"Bad font file fmt", - 102:"Invalid slot", - 103:"Invalid request code", - 104:"No anode", - 105:"Block device required", - 106:"Channel number out of range", - 107:"Level 3 halted", - 108:"Level 3 reset", - 109:"Link number out of range", - 110:"Protocol driver not attached", - 111:"No CSI structure available", - 112:"Level 2 halted", - 113:"Invalid exchange", - 114:"Invalid request descriptor", - 115:"Exchange full", - 116:"No data (for no delay io)", - 117:"Timer expired", - 118:"Out of streams resources", - 119:"Machine is not on the network", - 120:"Package not installed", - 121:"The object is remote", - 122:"Advertise error", - 123:"Srmount error", - 124:"Communication error on send", - 125:"Cross mount point (not really error)", - 126:"Given log. name not unique", - 127:"f.d. invalid for this operation", - 128:"Remote address changed", - 129:"Can access a needed shared lib", - 130:"Accessing a corrupted shared lib", - 131:".lib section in a.out corrupted", - 132:"Attempting to link in too many libs", - 133:"Attempting to exec a shared library", - 135:"Streams pipe error", - 136:"Too many users", - 137:"Socket type not supported", - 138:"Not supported", - 139:"Protocol family not supported", - 140:"Can't send after socket shutdown", - 141:"Too many references", - 142:"Host is down", - 148:"No medium (in tape drive)", - 156:"Level 2 not synchronized", - }; - - var ERRNO_CODES = { - 'EPERM': 63, - 'ENOENT': 44, - 'ESRCH': 71, - 'EINTR': 27, - 'EIO': 29, - 'ENXIO': 60, - 'E2BIG': 1, - 'ENOEXEC': 45, - 'EBADF': 8, - 'ECHILD': 12, - 'EAGAIN': 6, - 'EWOULDBLOCK': 6, - 'ENOMEM': 48, - 'EACCES': 2, - 'EFAULT': 21, - 'ENOTBLK': 105, - 'EBUSY': 10, - 'EEXIST': 20, - 'EXDEV': 75, - 'ENODEV': 43, - 'ENOTDIR': 54, - 'EISDIR': 31, - 'EINVAL': 28, - 'ENFILE': 41, - 'EMFILE': 33, - 'ENOTTY': 59, - 'ETXTBSY': 74, - 'EFBIG': 22, - 'ENOSPC': 51, - 'ESPIPE': 70, - 'EROFS': 69, - 'EMLINK': 34, - 'EPIPE': 64, - 'EDOM': 18, - 'ERANGE': 68, - 'ENOMSG': 49, - 'EIDRM': 24, - 'ECHRNG': 106, - 'EL2NSYNC': 156, - 'EL3HLT': 107, - 'EL3RST': 108, - 'ELNRNG': 109, - 'EUNATCH': 110, - 'ENOCSI': 111, - 'EL2HLT': 112, - 'EDEADLK': 16, - 'ENOLCK': 46, - 'EBADE': 113, - 'EBADR': 114, - 'EXFULL': 115, - 'ENOANO': 104, - 'EBADRQC': 103, - 'EBADSLT': 102, - 'EDEADLOCK': 16, - 'EBFONT': 101, - 'ENOSTR': 100, - 'ENODATA': 116, - 'ETIME': 117, - 'ENOSR': 118, - 'ENONET': 119, - 'ENOPKG': 120, - 'EREMOTE': 121, - 'ENOLINK': 47, - 'EADV': 122, - 'ESRMNT': 123, - 'ECOMM': 124, - 'EPROTO': 65, - 'EMULTIHOP': 36, - 'EDOTDOT': 125, - 'EBADMSG': 9, - 'ENOTUNIQ': 126, - 'EBADFD': 127, - 'EREMCHG': 128, - 'ELIBACC': 129, - 'ELIBBAD': 130, - 'ELIBSCN': 131, - 'ELIBMAX': 132, - 'ELIBEXEC': 133, - 'ENOSYS': 52, - 'ENOTEMPTY': 55, - 'ENAMETOOLONG': 37, - 'ELOOP': 32, - 'EOPNOTSUPP': 138, - 'EPFNOSUPPORT': 139, - 'ECONNRESET': 15, - 'ENOBUFS': 42, - 'EAFNOSUPPORT': 5, - 'EPROTOTYPE': 67, - 'ENOTSOCK': 57, - 'ENOPROTOOPT': 50, - 'ESHUTDOWN': 140, - 'ECONNREFUSED': 14, - 'EADDRINUSE': 3, - 'ECONNABORTED': 13, - 'ENETUNREACH': 40, - 'ENETDOWN': 38, - 'ETIMEDOUT': 73, - 'EHOSTDOWN': 142, - 'EHOSTUNREACH': 23, - 'EINPROGRESS': 26, - 'EALREADY': 7, - 'EDESTADDRREQ': 17, - 'EMSGSIZE': 35, - 'EPROTONOSUPPORT': 66, - 'ESOCKTNOSUPPORT': 137, - 'EADDRNOTAVAIL': 4, - 'ENETRESET': 39, - 'EISCONN': 30, - 'ENOTCONN': 53, - 'ETOOMANYREFS': 141, - 'EUSERS': 136, - 'EDQUOT': 19, - 'ESTALE': 72, - 'ENOTSUP': 138, - 'ENOMEDIUM': 148, - 'EILSEQ': 25, - 'EOVERFLOW': 61, - 'ECANCELED': 11, - 'ENOTRECOVERABLE': 56, - 'EOWNERDEAD': 62, - 'ESTRPIPE': 135, - }; - var FS = { - root:null, - mounts:[], - devices:{ - }, - streams:[], - nextInode:1, - nameTable:null, - currentPath:"/", - initialized:false, - ignorePermissions:true, - ErrnoError:class extends Error { - // We set the `name` property to be able to identify `FS.ErrnoError` - // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway. - // - when using PROXYFS, an error can come from an underlying FS - // as different FS objects have their own FS.ErrnoError each, - // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs. - // we'll use the reliable test `err.name == "ErrnoError"` instead - constructor(errno) { - super(ERRNO_MESSAGES[errno]); - // TODO(sbc): Use the inline member declaration syntax once we - // support it in acorn and closure. - this.name = 'ErrnoError'; - this.errno = errno; - for (var key in ERRNO_CODES) { - if (ERRNO_CODES[key] === errno) { - this.code = key; - break; - } - } - } - }, - genericErrors:{ - }, - filesystems:null, - syncFSRequests:0, - FSStream:class { - constructor() { - // TODO(https://github.com/emscripten-core/emscripten/issues/21414): - // Use inline field declarations. - this.shared = {}; - } - get object() { - return this.node; - } - set object(val) { - this.node = val; - } - get isRead() { - return (this.flags & 2097155) !== 1; - } - get isWrite() { - return (this.flags & 2097155) !== 0; - } - get isAppend() { - return (this.flags & 1024); - } - get flags() { - return this.shared.flags; - } - set flags(val) { - this.shared.flags = val; - } - get position() { - return this.shared.position; - } - set position(val) { - this.shared.position = val; - } - }, - FSNode:class { - constructor(parent, name, mode, rdev) { - if (!parent) { - parent = this; // root node sets parent to itself - } - this.parent = parent; - this.mount = parent.mount; - this.mounted = null; - this.id = FS.nextInode++; - this.name = name; - this.mode = mode; - this.node_ops = {}; - this.stream_ops = {}; - this.rdev = rdev; - this.readMode = 292/*292*/ | 73/*73*/; - this.writeMode = 146/*146*/; - } - get read() { - return (this.mode & this.readMode) === this.readMode; - } - set read(val) { - val ? this.mode |= this.readMode : this.mode &= ~this.readMode; - } - get write() { - return (this.mode & this.writeMode) === this.writeMode; - } - set write(val) { - val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode; - } - get isFolder() { - return FS.isDir(this.mode); - } - get isDevice() { - return FS.isChrdev(this.mode); - } - }, - lookupPath(path, opts = {}) { - path = PATH_FS.resolve(path); - - if (!path) return { path: '', node: null }; - - var defaults = { - follow_mount: true, - recurse_count: 0 - }; - opts = Object.assign(defaults, opts) - - if (opts.recurse_count > 8) { // max recursive lookup of 8 - throw new FS.ErrnoError(32); - } - - // split the absolute path - var parts = path.split('/').filter((p) => !!p); - - // start at the root - var current = FS.root; - var current_path = '/'; - - for (var i = 0; i < parts.length; i++) { - var islast = (i === parts.length-1); - if (islast && opts.parent) { - // stop resolving - break; - } - - current = FS.lookupNode(current, parts[i]); - current_path = PATH.join2(current_path, parts[i]); - - // jump to the mount's root node if this is a mountpoint - if (FS.isMountpoint(current)) { - if (!islast || (islast && opts.follow_mount)) { - current = current.mounted.root; - } - } - - // by default, lookupPath will not follow a symlink if it is the final path component. - // setting opts.follow = true will override this behavior. - if (!islast || opts.follow) { - var count = 0; - while (FS.isLink(current.mode)) { - var link = FS.readlink(current_path); - current_path = PATH_FS.resolve(PATH.dirname(current_path), link); - - var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count + 1 }); - current = lookup.node; - - if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX). - throw new FS.ErrnoError(32); - } - } - } - } - - return { path: current_path, node: current }; - }, - getPath(node) { - var path; - while (true) { - if (FS.isRoot(node)) { - var mount = node.mount.mountpoint; - if (!path) return mount; - return mount[mount.length-1] !== '/' ? `${mount}/${path}` : mount + path; - } - path = path ? `${node.name}/${path}` : node.name; - node = node.parent; - } - }, - hashName(parentid, name) { - var hash = 0; - - for (var i = 0; i < name.length; i++) { - hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0; - } - return ((parentid + hash) >>> 0) % FS.nameTable.length; - }, - hashAddNode(node) { - var hash = FS.hashName(node.parent.id, node.name); - node.name_next = FS.nameTable[hash]; - FS.nameTable[hash] = node; - }, - hashRemoveNode(node) { - var hash = FS.hashName(node.parent.id, node.name); - if (FS.nameTable[hash] === node) { - FS.nameTable[hash] = node.name_next; - } else { - var current = FS.nameTable[hash]; - while (current) { - if (current.name_next === node) { - current.name_next = node.name_next; - break; - } - current = current.name_next; - } - } - }, - lookupNode(parent, name) { - var errCode = FS.mayLookup(parent); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - var hash = FS.hashName(parent.id, name); - for (var node = FS.nameTable[hash]; node; node = node.name_next) { - var nodeName = node.name; - if (node.parent.id === parent.id && nodeName === name) { - return node; - } - } - // if we failed to find it in the cache, call into the VFS - return FS.lookup(parent, name); - }, - createNode(parent, name, mode, rdev) { - assert(typeof parent == 'object') - var node = new FS.FSNode(parent, name, mode, rdev); - - FS.hashAddNode(node); - - return node; - }, - destroyNode(node) { - FS.hashRemoveNode(node); - }, - isRoot(node) { - return node === node.parent; - }, - isMountpoint(node) { - return !!node.mounted; - }, - isFile(mode) { - return (mode & 61440) === 32768; - }, - isDir(mode) { - return (mode & 61440) === 16384; - }, - isLink(mode) { - return (mode & 61440) === 40960; - }, - isChrdev(mode) { - return (mode & 61440) === 8192; - }, - isBlkdev(mode) { - return (mode & 61440) === 24576; - }, - isFIFO(mode) { - return (mode & 61440) === 4096; - }, - isSocket(mode) { - return (mode & 49152) === 49152; - }, - flagsToPermissionString(flag) { - var perms = ['r', 'w', 'rw'][flag & 3]; - if ((flag & 512)) { - perms += 'w'; - } - return perms; - }, - nodePermissions(node, perms) { - if (FS.ignorePermissions) { - return 0; - } - // return 0 if any user, group or owner bits are set. - if (perms.includes('r') && !(node.mode & 292)) { - return 2; - } else if (perms.includes('w') && !(node.mode & 146)) { - return 2; - } else if (perms.includes('x') && !(node.mode & 73)) { - return 2; - } - return 0; - }, - mayLookup(dir) { - if (!FS.isDir(dir.mode)) return 54; - var errCode = FS.nodePermissions(dir, 'x'); - if (errCode) return errCode; - if (!dir.node_ops.lookup) return 2; - return 0; - }, - mayCreate(dir, name) { - try { - var node = FS.lookupNode(dir, name); - return 20; - } catch (e) { - } - return FS.nodePermissions(dir, 'wx'); - }, - mayDelete(dir, name, isdir) { - var node; - try { - node = FS.lookupNode(dir, name); - } catch (e) { - return e.errno; - } - var errCode = FS.nodePermissions(dir, 'wx'); - if (errCode) { - return errCode; - } - if (isdir) { - if (!FS.isDir(node.mode)) { - return 54; - } - if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { - return 10; - } - } else { - if (FS.isDir(node.mode)) { - return 31; - } - } - return 0; - }, - mayOpen(node, flags) { - if (!node) { - return 44; - } - if (FS.isLink(node.mode)) { - return 32; - } else if (FS.isDir(node.mode)) { - if (FS.flagsToPermissionString(flags) !== 'r' || // opening for write - (flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only) - return 31; - } - } - return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); - }, - MAX_OPEN_FDS:4096, - nextfd() { - for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) { - if (!FS.streams[fd]) { - return fd; - } - } - throw new FS.ErrnoError(33); - }, - getStreamChecked(fd) { - var stream = FS.getStream(fd); - if (!stream) { - throw new FS.ErrnoError(8); - } - return stream; - }, - getStream:(fd) => FS.streams[fd], - createStream(stream, fd = -1) { - - // clone it, so we can return an instance of FSStream - stream = Object.assign(new FS.FSStream(), stream); - if (fd == -1) { - fd = FS.nextfd(); - } - stream.fd = fd; - FS.streams[fd] = stream; - return stream; - }, - closeStream(fd) { - FS.streams[fd] = null; - }, - dupStream(origStream, fd = -1) { - var stream = FS.createStream(origStream, fd); - stream.stream_ops?.dup?.(stream); - return stream; - }, - chrdev_stream_ops:{ - open(stream) { - var device = FS.getDevice(stream.node.rdev); - // override node's stream ops with the device's - stream.stream_ops = device.stream_ops; - // forward the open call - stream.stream_ops.open?.(stream); - }, - llseek() { - throw new FS.ErrnoError(70); - }, - }, - major:(dev) => ((dev) >> 8), - minor:(dev) => ((dev) & 0xff), - makedev:(ma, mi) => ((ma) << 8 | (mi)), - registerDevice(dev, ops) { - FS.devices[dev] = { stream_ops: ops }; - }, - getDevice:(dev) => FS.devices[dev], - getMounts(mount) { - var mounts = []; - var check = [mount]; - - while (check.length) { - var m = check.pop(); - - mounts.push(m); - - check.push(...m.mounts); - } - - return mounts; - }, - syncfs(populate, callback) { - if (typeof populate == 'function') { - callback = populate; - populate = false; - } - - FS.syncFSRequests++; - - if (FS.syncFSRequests > 1) { - err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`); - } - - var mounts = FS.getMounts(FS.root.mount); - var completed = 0; - - function doCallback(errCode) { - assert(FS.syncFSRequests > 0); - FS.syncFSRequests--; - return callback(errCode); - } - - function done(errCode) { - if (errCode) { - if (!done.errored) { - done.errored = true; - return doCallback(errCode); - } - return; - } - if (++completed >= mounts.length) { - doCallback(null); - } - }; - - // sync all mounts - mounts.forEach((mount) => { - if (!mount.type.syncfs) { - return done(null); - } - mount.type.syncfs(mount, populate, done); - }); - }, - mount(type, opts, mountpoint) { - if (typeof type == 'string') { - // The filesystem was not included, and instead we have an error - // message stored in the variable. - throw type; - } - var root = mountpoint === '/'; - var pseudo = !mountpoint; - var node; - - if (root && FS.root) { - throw new FS.ErrnoError(10); - } else if (!root && !pseudo) { - var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); - - mountpoint = lookup.path; // use the absolute path - node = lookup.node; - - if (FS.isMountpoint(node)) { - throw new FS.ErrnoError(10); - } - - if (!FS.isDir(node.mode)) { - throw new FS.ErrnoError(54); - } - } - - var mount = { - type, - opts, - mountpoint, - mounts: [] - }; - - // create a root node for the fs - var mountRoot = type.mount(mount); - mountRoot.mount = mount; - mount.root = mountRoot; - - if (root) { - FS.root = mountRoot; - } else if (node) { - // set as a mountpoint - node.mounted = mount; - - // add the new mount to the current mount's children - if (node.mount) { - node.mount.mounts.push(mount); - } - } - - return mountRoot; - }, - unmount(mountpoint) { - var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); - - if (!FS.isMountpoint(lookup.node)) { - throw new FS.ErrnoError(28); - } - - // destroy the nodes for this mount, and all its child mounts - var node = lookup.node; - var mount = node.mounted; - var mounts = FS.getMounts(mount); - - Object.keys(FS.nameTable).forEach((hash) => { - var current = FS.nameTable[hash]; - - while (current) { - var next = current.name_next; - - if (mounts.includes(current.mount)) { - FS.destroyNode(current); - } - - current = next; - } - }); - - // no longer a mountpoint - node.mounted = null; - - // remove this mount from the child mounts - var idx = node.mount.mounts.indexOf(mount); - assert(idx !== -1); - node.mount.mounts.splice(idx, 1); - }, - lookup(parent, name) { - return parent.node_ops.lookup(parent, name); - }, - mknod(path, mode, dev) { - var lookup = FS.lookupPath(path, { parent: true }); - var parent = lookup.node; - var name = PATH.basename(path); - if (!name || name === '.' || name === '..') { - throw new FS.ErrnoError(28); - } - var errCode = FS.mayCreate(parent, name); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - if (!parent.node_ops.mknod) { - throw new FS.ErrnoError(63); - } - return parent.node_ops.mknod(parent, name, mode, dev); - }, - create(path, mode) { - mode = mode !== undefined ? mode : 438 /* 0666 */; - mode &= 4095; - mode |= 32768; - return FS.mknod(path, mode, 0); - }, - mkdir(path, mode) { - mode = mode !== undefined ? mode : 511 /* 0777 */; - mode &= 511 | 512; - mode |= 16384; - return FS.mknod(path, mode, 0); - }, - mkdirTree(path, mode) { - var dirs = path.split('/'); - var d = ''; - for (var i = 0; i < dirs.length; ++i) { - if (!dirs[i]) continue; - d += '/' + dirs[i]; - try { - FS.mkdir(d, mode); - } catch(e) { - if (e.errno != 20) throw e; - } - } - }, - mkdev(path, mode, dev) { - if (typeof dev == 'undefined') { - dev = mode; - mode = 438 /* 0666 */; - } - mode |= 8192; - return FS.mknod(path, mode, dev); - }, - symlink(oldpath, newpath) { - if (!PATH_FS.resolve(oldpath)) { - throw new FS.ErrnoError(44); - } - var lookup = FS.lookupPath(newpath, { parent: true }); - var parent = lookup.node; - if (!parent) { - throw new FS.ErrnoError(44); - } - var newname = PATH.basename(newpath); - var errCode = FS.mayCreate(parent, newname); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - if (!parent.node_ops.symlink) { - throw new FS.ErrnoError(63); - } - return parent.node_ops.symlink(parent, newname, oldpath); - }, - rename(old_path, new_path) { - var old_dirname = PATH.dirname(old_path); - var new_dirname = PATH.dirname(new_path); - var old_name = PATH.basename(old_path); - var new_name = PATH.basename(new_path); - // parents must exist - var lookup, old_dir, new_dir; - - // let the errors from non existent directories percolate up - lookup = FS.lookupPath(old_path, { parent: true }); - old_dir = lookup.node; - lookup = FS.lookupPath(new_path, { parent: true }); - new_dir = lookup.node; - - if (!old_dir || !new_dir) throw new FS.ErrnoError(44); - // need to be part of the same mount - if (old_dir.mount !== new_dir.mount) { - throw new FS.ErrnoError(75); - } - // source must exist - var old_node = FS.lookupNode(old_dir, old_name); - // old path should not be an ancestor of the new path - var relative = PATH_FS.relative(old_path, new_dirname); - if (relative.charAt(0) !== '.') { - throw new FS.ErrnoError(28); - } - // new path should not be an ancestor of the old path - relative = PATH_FS.relative(new_path, old_dirname); - if (relative.charAt(0) !== '.') { - throw new FS.ErrnoError(55); - } - // see if the new path already exists - var new_node; - try { - new_node = FS.lookupNode(new_dir, new_name); - } catch (e) { - // not fatal - } - // early out if nothing needs to change - if (old_node === new_node) { - return; - } - // we'll need to delete the old entry - var isdir = FS.isDir(old_node.mode); - var errCode = FS.mayDelete(old_dir, old_name, isdir); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - // need delete permissions if we'll be overwriting. - // need create permissions if new doesn't already exist. - errCode = new_node ? - FS.mayDelete(new_dir, new_name, isdir) : - FS.mayCreate(new_dir, new_name); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - if (!old_dir.node_ops.rename) { - throw new FS.ErrnoError(63); - } - if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) { - throw new FS.ErrnoError(10); - } - // if we are going to change the parent, check write permissions - if (new_dir !== old_dir) { - errCode = FS.nodePermissions(old_dir, 'w'); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - } - // remove the node from the lookup hash - FS.hashRemoveNode(old_node); - // do the underlying fs rename - try { - old_dir.node_ops.rename(old_node, new_dir, new_name); - } catch (e) { - throw e; - } finally { - // add the node back to the hash (in case node_ops.rename - // changed its name) - FS.hashAddNode(old_node); - } - }, - rmdir(path) { - var lookup = FS.lookupPath(path, { parent: true }); - var parent = lookup.node; - var name = PATH.basename(path); - var node = FS.lookupNode(parent, name); - var errCode = FS.mayDelete(parent, name, true); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - if (!parent.node_ops.rmdir) { - throw new FS.ErrnoError(63); - } - if (FS.isMountpoint(node)) { - throw new FS.ErrnoError(10); - } - parent.node_ops.rmdir(parent, name); - FS.destroyNode(node); - }, - readdir(path) { - var lookup = FS.lookupPath(path, { follow: true }); - var node = lookup.node; - if (!node.node_ops.readdir) { - throw new FS.ErrnoError(54); - } - return node.node_ops.readdir(node); - }, - unlink(path) { - var lookup = FS.lookupPath(path, { parent: true }); - var parent = lookup.node; - if (!parent) { - throw new FS.ErrnoError(44); - } - var name = PATH.basename(path); - var node = FS.lookupNode(parent, name); - var errCode = FS.mayDelete(parent, name, false); - if (errCode) { - // According to POSIX, we should map EISDIR to EPERM, but - // we instead do what Linux does (and we must, as we use - // the musl linux libc). - throw new FS.ErrnoError(errCode); - } - if (!parent.node_ops.unlink) { - throw new FS.ErrnoError(63); - } - if (FS.isMountpoint(node)) { - throw new FS.ErrnoError(10); - } - parent.node_ops.unlink(parent, name); - FS.destroyNode(node); - }, - readlink(path) { - var lookup = FS.lookupPath(path); - var link = lookup.node; - if (!link) { - throw new FS.ErrnoError(44); - } - if (!link.node_ops.readlink) { - throw new FS.ErrnoError(28); - } - return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link)); - }, - stat(path, dontFollow) { - var lookup = FS.lookupPath(path, { follow: !dontFollow }); - var node = lookup.node; - if (!node) { - throw new FS.ErrnoError(44); - } - if (!node.node_ops.getattr) { - throw new FS.ErrnoError(63); - } - return node.node_ops.getattr(node); - }, - lstat(path) { - return FS.stat(path, true); - }, - chmod(path, mode, dontFollow) { - var node; - if (typeof path == 'string') { - var lookup = FS.lookupPath(path, { follow: !dontFollow }); - node = lookup.node; - } else { - node = path; - } - if (!node.node_ops.setattr) { - throw new FS.ErrnoError(63); - } - node.node_ops.setattr(node, { - mode: (mode & 4095) | (node.mode & ~4095), - timestamp: Date.now() - }); - }, - lchmod(path, mode) { - FS.chmod(path, mode, true); - }, - fchmod(fd, mode) { - var stream = FS.getStreamChecked(fd); - FS.chmod(stream.node, mode); - }, - chown(path, uid, gid, dontFollow) { - var node; - if (typeof path == 'string') { - var lookup = FS.lookupPath(path, { follow: !dontFollow }); - node = lookup.node; - } else { - node = path; - } - if (!node.node_ops.setattr) { - throw new FS.ErrnoError(63); - } - node.node_ops.setattr(node, { - timestamp: Date.now() - // we ignore the uid / gid for now - }); - }, - lchown(path, uid, gid) { - FS.chown(path, uid, gid, true); - }, - fchown(fd, uid, gid) { - var stream = FS.getStreamChecked(fd); - FS.chown(stream.node, uid, gid); - }, - truncate(path, len) { - if (len < 0) { - throw new FS.ErrnoError(28); - } - var node; - if (typeof path == 'string') { - var lookup = FS.lookupPath(path, { follow: true }); - node = lookup.node; - } else { - node = path; - } - if (!node.node_ops.setattr) { - throw new FS.ErrnoError(63); - } - if (FS.isDir(node.mode)) { - throw new FS.ErrnoError(31); - } - if (!FS.isFile(node.mode)) { - throw new FS.ErrnoError(28); - } - var errCode = FS.nodePermissions(node, 'w'); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - node.node_ops.setattr(node, { - size: len, - timestamp: Date.now() - }); - }, - ftruncate(fd, len) { - var stream = FS.getStreamChecked(fd); - if ((stream.flags & 2097155) === 0) { - throw new FS.ErrnoError(28); - } - FS.truncate(stream.node, len); - }, - utime(path, atime, mtime) { - var lookup = FS.lookupPath(path, { follow: true }); - var node = lookup.node; - node.node_ops.setattr(node, { - timestamp: Math.max(atime, mtime) - }); - }, - open(path, flags, mode) { - if (path === "") { - throw new FS.ErrnoError(44); - } - flags = typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags; - mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode; - if ((flags & 64)) { - mode = (mode & 4095) | 32768; - } else { - mode = 0; - } - var node; - if (typeof path == 'object') { - node = path; - } else { - path = PATH.normalize(path); - try { - var lookup = FS.lookupPath(path, { - follow: !(flags & 131072) - }); - node = lookup.node; - } catch (e) { - // ignore - } - } - // perhaps we need to create the node - var created = false; - if ((flags & 64)) { - if (node) { - // if O_CREAT and O_EXCL are set, error out if the node already exists - if ((flags & 128)) { - throw new FS.ErrnoError(20); - } - } else { - // node doesn't exist, try to create it - node = FS.mknod(path, mode, 0); - created = true; - } - } - if (!node) { - throw new FS.ErrnoError(44); - } - // can't truncate a device - if (FS.isChrdev(node.mode)) { - flags &= ~512; - } - // if asked only for a directory, then this must be one - if ((flags & 65536) && !FS.isDir(node.mode)) { - throw new FS.ErrnoError(54); - } - // check permissions, if this is not a file we just created now (it is ok to - // create and write to a file with read-only permissions; it is read-only - // for later use) - if (!created) { - var errCode = FS.mayOpen(node, flags); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - } - // do truncation if necessary - if ((flags & 512) && !created) { - FS.truncate(node, 0); - } - // we've already handled these, don't pass down to the underlying vfs - flags &= ~(128 | 512 | 131072); - - // register the stream with the filesystem - var stream = FS.createStream({ - node, - path: FS.getPath(node), // we want the absolute path to the node - flags, - seekable: true, - position: 0, - stream_ops: node.stream_ops, - // used by the file family libc calls (fopen, fwrite, ferror, etc.) - ungotten: [], - error: false - }); - // call the new stream's open function - if (stream.stream_ops.open) { - stream.stream_ops.open(stream); - } - if (Module['logReadFiles'] && !(flags & 1)) { - if (!FS.readFiles) FS.readFiles = {}; - if (!(path in FS.readFiles)) { - FS.readFiles[path] = 1; - } - } - return stream; - }, - close(stream) { - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if (stream.getdents) stream.getdents = null; // free readdir state - try { - if (stream.stream_ops.close) { - stream.stream_ops.close(stream); - } - } catch (e) { - throw e; - } finally { - FS.closeStream(stream.fd); - } - stream.fd = null; - }, - isClosed(stream) { - return stream.fd === null; - }, - llseek(stream, offset, whence) { - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if (!stream.seekable || !stream.stream_ops.llseek) { - throw new FS.ErrnoError(70); - } - if (whence != 0 && whence != 1 && whence != 2) { - throw new FS.ErrnoError(28); - } - stream.position = stream.stream_ops.llseek(stream, offset, whence); - stream.ungotten = []; - return stream.position; - }, - read(stream, buffer, offset, length, position) { - assert(offset >= 0); - if (length < 0 || position < 0) { - throw new FS.ErrnoError(28); - } - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if ((stream.flags & 2097155) === 1) { - throw new FS.ErrnoError(8); - } - if (FS.isDir(stream.node.mode)) { - throw new FS.ErrnoError(31); - } - if (!stream.stream_ops.read) { - throw new FS.ErrnoError(28); - } - var seeking = typeof position != 'undefined'; - if (!seeking) { - position = stream.position; - } else if (!stream.seekable) { - throw new FS.ErrnoError(70); - } - var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position); - if (!seeking) stream.position += bytesRead; - return bytesRead; - }, - write(stream, buffer, offset, length, position, canOwn) { - assert(offset >= 0); - if (length < 0 || position < 0) { - throw new FS.ErrnoError(28); - } - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if ((stream.flags & 2097155) === 0) { - throw new FS.ErrnoError(8); - } - if (FS.isDir(stream.node.mode)) { - throw new FS.ErrnoError(31); - } - if (!stream.stream_ops.write) { - throw new FS.ErrnoError(28); - } - if (stream.seekable && stream.flags & 1024) { - // seek to the end before writing in append mode - FS.llseek(stream, 0, 2); - } - var seeking = typeof position != 'undefined'; - if (!seeking) { - position = stream.position; - } else if (!stream.seekable) { - throw new FS.ErrnoError(70); - } - var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); - if (!seeking) stream.position += bytesWritten; - return bytesWritten; - }, - allocate(stream, offset, length) { - if (FS.isClosed(stream)) { - throw new FS.ErrnoError(8); - } - if (offset < 0 || length <= 0) { - throw new FS.ErrnoError(28); - } - if ((stream.flags & 2097155) === 0) { - throw new FS.ErrnoError(8); - } - if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - if (!stream.stream_ops.allocate) { - throw new FS.ErrnoError(138); - } - stream.stream_ops.allocate(stream, offset, length); - }, - mmap(stream, length, position, prot, flags) { - // User requests writing to file (prot & PROT_WRITE != 0). - // Checking if we have permissions to write to the file unless - // MAP_PRIVATE flag is set. According to POSIX spec it is possible - // to write to file opened in read-only mode with MAP_PRIVATE flag, - // as all modifications will be visible only in the memory of - // the current process. - if ((prot & 2) !== 0 - && (flags & 2) === 0 - && (stream.flags & 2097155) !== 2) { - throw new FS.ErrnoError(2); - } - if ((stream.flags & 2097155) === 1) { - throw new FS.ErrnoError(2); - } - if (!stream.stream_ops.mmap) { - throw new FS.ErrnoError(43); - } - return stream.stream_ops.mmap(stream, length, position, prot, flags); - }, - msync(stream, buffer, offset, length, mmapFlags) { - assert(offset >= 0); - if (!stream.stream_ops.msync) { - return 0; - } - return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags); - }, - ioctl(stream, cmd, arg) { - if (!stream.stream_ops.ioctl) { - throw new FS.ErrnoError(59); - } - return stream.stream_ops.ioctl(stream, cmd, arg); - }, - readFile(path, opts = {}) { - opts.flags = opts.flags || 0; - opts.encoding = opts.encoding || 'binary'; - if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') { - throw new Error(`Invalid encoding type "${opts.encoding}"`); - } - var ret; - var stream = FS.open(path, opts.flags); - var stat = FS.stat(path); - var length = stat.size; - var buf = new Uint8Array(length); - FS.read(stream, buf, 0, length, 0); - if (opts.encoding === 'utf8') { - ret = UTF8ArrayToString(buf, 0); - } else if (opts.encoding === 'binary') { - ret = buf; - } - FS.close(stream); - return ret; - }, - writeFile(path, data, opts = {}) { - opts.flags = opts.flags || 577; - var stream = FS.open(path, opts.flags, opts.mode); - if (typeof data == 'string') { - var buf = new Uint8Array(lengthBytesUTF8(data)+1); - var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length); - FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn); - } else if (ArrayBuffer.isView(data)) { - FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn); - } else { - throw new Error('Unsupported data type'); - } - FS.close(stream); - }, - cwd:() => FS.currentPath, - chdir(path) { - var lookup = FS.lookupPath(path, { follow: true }); - if (lookup.node === null) { - throw new FS.ErrnoError(44); - } - if (!FS.isDir(lookup.node.mode)) { - throw new FS.ErrnoError(54); - } - var errCode = FS.nodePermissions(lookup.node, 'x'); - if (errCode) { - throw new FS.ErrnoError(errCode); - } - FS.currentPath = lookup.path; - }, - createDefaultDirectories() { - FS.mkdir('/tmp'); - FS.mkdir('/home'); - FS.mkdir('/home/web_user'); - }, - createDefaultDevices() { - // create /dev - FS.mkdir('/dev'); - // setup /dev/null - FS.registerDevice(FS.makedev(1, 3), { - read: () => 0, - write: (stream, buffer, offset, length, pos) => length, - }); - FS.mkdev('/dev/null', FS.makedev(1, 3)); - // setup /dev/tty and /dev/tty1 - // stderr needs to print output using err() rather than out() - // so we register a second tty just for it. - TTY.register(FS.makedev(5, 0), TTY.default_tty_ops); - TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops); - FS.mkdev('/dev/tty', FS.makedev(5, 0)); - FS.mkdev('/dev/tty1', FS.makedev(6, 0)); - // setup /dev/[u]random - // use a buffer to avoid overhead of individual crypto calls per byte - var randomBuffer = new Uint8Array(1024), randomLeft = 0; - var randomByte = () => { - if (randomLeft === 0) { - randomLeft = randomFill(randomBuffer).byteLength; - } - return randomBuffer[--randomLeft]; - }; - FS.createDevice('/dev', 'random', randomByte); - FS.createDevice('/dev', 'urandom', randomByte); - // we're not going to emulate the actual shm device, - // just create the tmp dirs that reside in it commonly - FS.mkdir('/dev/shm'); - FS.mkdir('/dev/shm/tmp'); - }, - createSpecialDirectories() { - // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the - // name of the stream for fd 6 (see test_unistd_ttyname) - FS.mkdir('/proc'); - var proc_self = FS.mkdir('/proc/self'); - FS.mkdir('/proc/self/fd'); - FS.mount({ - mount() { - var node = FS.createNode(proc_self, 'fd', 16384 | 511 /* 0777 */, 73); - node.node_ops = { - lookup(parent, name) { - var fd = +name; - var stream = FS.getStreamChecked(fd); - var ret = { - parent: null, - mount: { mountpoint: 'fake' }, - node_ops: { readlink: () => stream.path }, - }; - ret.parent = ret; // make it look like a simple root node - return ret; - } - }; - return node; - } - }, {}, '/proc/self/fd'); - }, - createStandardStreams() { - // TODO deprecate the old functionality of a single - // input / output callback and that utilizes FS.createDevice - // and instead require a unique set of stream ops - - // by default, we symlink the standard streams to the - // default tty devices. however, if the standard streams - // have been overwritten we create a unique device for - // them instead. - if (Module['stdin']) { - FS.createDevice('/dev', 'stdin', Module['stdin']); - } else { - FS.symlink('/dev/tty', '/dev/stdin'); - } - if (Module['stdout']) { - FS.createDevice('/dev', 'stdout', null, Module['stdout']); - } else { - FS.symlink('/dev/tty', '/dev/stdout'); - } - if (Module['stderr']) { - FS.createDevice('/dev', 'stderr', null, Module['stderr']); - } else { - FS.symlink('/dev/tty1', '/dev/stderr'); - } - - // open default streams for the stdin, stdout and stderr devices - var stdin = FS.open('/dev/stdin', 0); - var stdout = FS.open('/dev/stdout', 1); - var stderr = FS.open('/dev/stderr', 1); - assert(stdin.fd === 0, `invalid handle for stdin (${stdin.fd})`); - assert(stdout.fd === 1, `invalid handle for stdout (${stdout.fd})`); - assert(stderr.fd === 2, `invalid handle for stderr (${stderr.fd})`); - }, - staticInit() { - // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info) - [44].forEach((code) => { - FS.genericErrors[code] = new FS.ErrnoError(code); - FS.genericErrors[code].stack = ''; - }); - - FS.nameTable = new Array(4096); - - FS.mount(MEMFS, {}, '/'); - - FS.createDefaultDirectories(); - FS.createDefaultDevices(); - FS.createSpecialDirectories(); - - FS.filesystems = { - 'MEMFS': MEMFS, - }; - }, - init(input, output, error) { - assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)'); - FS.init.initialized = true; - - // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here - Module['stdin'] = input || Module['stdin']; - Module['stdout'] = output || Module['stdout']; - Module['stderr'] = error || Module['stderr']; - - FS.createStandardStreams(); - }, - quit() { - FS.init.initialized = false; - // force-flush all streams, so we get musl std streams printed out - _fflush(0); - // close all of our streams - for (var i = 0; i < FS.streams.length; i++) { - var stream = FS.streams[i]; - if (!stream) { - continue; - } - FS.close(stream); - } - }, - findObject(path, dontResolveLastLink) { - var ret = FS.analyzePath(path, dontResolveLastLink); - if (!ret.exists) { - return null; - } - return ret.object; - }, - analyzePath(path, dontResolveLastLink) { - // operate from within the context of the symlink's target - try { - var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); - path = lookup.path; - } catch (e) { - } - var ret = { - isRoot: false, exists: false, error: 0, name: null, path: null, object: null, - parentExists: false, parentPath: null, parentObject: null - }; - try { - var lookup = FS.lookupPath(path, { parent: true }); - ret.parentExists = true; - ret.parentPath = lookup.path; - ret.parentObject = lookup.node; - ret.name = PATH.basename(path); - lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); - ret.exists = true; - ret.path = lookup.path; - ret.object = lookup.node; - ret.name = lookup.node.name; - ret.isRoot = lookup.path === '/'; - } catch (e) { - ret.error = e.errno; - }; - return ret; - }, - createPath(parent, path, canRead, canWrite) { - parent = typeof parent == 'string' ? parent : FS.getPath(parent); - var parts = path.split('/').reverse(); - while (parts.length) { - var part = parts.pop(); - if (!part) continue; - var current = PATH.join2(parent, part); - try { - FS.mkdir(current); - } catch (e) { - // ignore EEXIST - } - parent = current; - } - return current; - }, - createFile(parent, name, properties, canRead, canWrite) { - var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); - var mode = FS_getMode(canRead, canWrite); - return FS.create(path, mode); - }, - createDataFile(parent, name, data, canRead, canWrite, canOwn) { - var path = name; - if (parent) { - parent = typeof parent == 'string' ? parent : FS.getPath(parent); - path = name ? PATH.join2(parent, name) : parent; - } - var mode = FS_getMode(canRead, canWrite); - var node = FS.create(path, mode); - if (data) { - if (typeof data == 'string') { - var arr = new Array(data.length); - for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i); - data = arr; - } - // make sure we can write to the file - FS.chmod(node, mode | 146); - var stream = FS.open(node, 577); - FS.write(stream, data, 0, data.length, 0, canOwn); - FS.close(stream); - FS.chmod(node, mode); - } - }, - createDevice(parent, name, input, output) { - var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); - var mode = FS_getMode(!!input, !!output); - if (!FS.createDevice.major) FS.createDevice.major = 64; - var dev = FS.makedev(FS.createDevice.major++, 0); - // Create a fake device that a set of stream ops to emulate - // the old behavior. - FS.registerDevice(dev, { - open(stream) { - stream.seekable = false; - }, - close(stream) { - // flush any pending line data - if (output?.buffer?.length) { - output(10); - } - }, - read(stream, buffer, offset, length, pos /* ignored */) { - var bytesRead = 0; - for (var i = 0; i < length; i++) { - var result; - try { - result = input(); - } catch (e) { - throw new FS.ErrnoError(29); - } - if (result === undefined && bytesRead === 0) { - throw new FS.ErrnoError(6); - } - if (result === null || result === undefined) break; - bytesRead++; - buffer[offset+i] = result; - } - if (bytesRead) { - stream.node.timestamp = Date.now(); - } - return bytesRead; - }, - write(stream, buffer, offset, length, pos) { - for (var i = 0; i < length; i++) { - try { - output(buffer[offset+i]); - } catch (e) { - throw new FS.ErrnoError(29); - } - } - if (length) { - stream.node.timestamp = Date.now(); - } - return i; - } - }); - return FS.mkdev(path, mode, dev); - }, - forceLoadFile(obj) { - if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true; - if (typeof XMLHttpRequest != 'undefined') { - throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread."); - } else if (read_) { - // Command-line. - try { - // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as - // read() will try to parse UTF8. - obj.contents = intArrayFromString(read_(obj.url), true); - obj.usedBytes = obj.contents.length; - } catch (e) { - throw new FS.ErrnoError(29); - } - } else { - throw new Error('Cannot load without read() or XMLHttpRequest.'); - } - }, - createLazyFile(parent, name, url, canRead, canWrite) { - // Lazy chunked Uint8Array (implements get and length from Uint8Array). - // Actual getting is abstracted away for eventual reuse. - class LazyUint8Array { - constructor() { - this.lengthKnown = false; - this.chunks = []; // Loaded chunks. Index is the chunk number - } - get(idx) { - if (idx > this.length-1 || idx < 0) { - return undefined; - } - var chunkOffset = idx % this.chunkSize; - var chunkNum = (idx / this.chunkSize)|0; - return this.getter(chunkNum)[chunkOffset]; - } - setDataGetter(getter) { - this.getter = getter; - } - cacheLength() { - // Find length - var xhr = new XMLHttpRequest(); - xhr.open('HEAD', url, false); - xhr.send(null); - if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); - var datalength = Number(xhr.getResponseHeader("Content-length")); - var header; - var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes"; - var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip"; - - var chunkSize = 1024*1024; // Chunk size in bytes - - if (!hasByteServing) chunkSize = datalength; - - // Function to get a range from the remote URL. - var doXHR = (from, to) => { - if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!"); - if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!"); - - // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available. - var xhr = new XMLHttpRequest(); - xhr.open('GET', url, false); - if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to); - - // Some hints to the browser that we want binary data. - xhr.responseType = 'arraybuffer'; - if (xhr.overrideMimeType) { - xhr.overrideMimeType('text/plain; charset=x-user-defined'); - } - - xhr.send(null); - if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); - if (xhr.response !== undefined) { - return new Uint8Array(/** @type{Array} */(xhr.response || [])); - } - return intArrayFromString(xhr.responseText || '', true); - }; - var lazyArray = this; - lazyArray.setDataGetter((chunkNum) => { - var start = chunkNum * chunkSize; - var end = (chunkNum+1) * chunkSize - 1; // including this byte - end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block - if (typeof lazyArray.chunks[chunkNum] == 'undefined') { - lazyArray.chunks[chunkNum] = doXHR(start, end); - } - if (typeof lazyArray.chunks[chunkNum] == 'undefined') throw new Error('doXHR failed!'); - return lazyArray.chunks[chunkNum]; - }); - - if (usesGzip || !datalength) { - // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length - chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file - datalength = this.getter(0).length; - chunkSize = datalength; - out("LazyFiles on gzip forces download of the whole file when length is accessed"); - } - - this._length = datalength; - this._chunkSize = chunkSize; - this.lengthKnown = true; - } - get length() { - if (!this.lengthKnown) { - this.cacheLength(); - } - return this._length; - } - get chunkSize() { - if (!this.lengthKnown) { - this.cacheLength(); - } - return this._chunkSize; - } - } - - if (typeof XMLHttpRequest != 'undefined') { - if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc'; - var lazyArray = new LazyUint8Array(); - var properties = { isDevice: false, contents: lazyArray }; - } else { - var properties = { isDevice: false, url: url }; - } - - var node = FS.createFile(parent, name, properties, canRead, canWrite); - // This is a total hack, but I want to get this lazy file code out of the - // core of MEMFS. If we want to keep this lazy file concept I feel it should - // be its own thin LAZYFS proxying calls to MEMFS. - if (properties.contents) { - node.contents = properties.contents; - } else if (properties.url) { - node.contents = null; - node.url = properties.url; - } - // Add a function that defers querying the file size until it is asked the first time. - Object.defineProperties(node, { - usedBytes: { - get: function() { return this.contents.length; } - } - }); - // override each stream op with one that tries to force load the lazy file first - var stream_ops = {}; - var keys = Object.keys(node.stream_ops); - keys.forEach((key) => { - var fn = node.stream_ops[key]; - stream_ops[key] = (...args) => { - FS.forceLoadFile(node); - return fn(...args); - }; - }); - function writeChunks(stream, buffer, offset, length, position) { - var contents = stream.node.contents; - if (position >= contents.length) - return 0; - var size = Math.min(contents.length - position, length); - assert(size >= 0); - if (contents.slice) { // normal array - for (var i = 0; i < size; i++) { - buffer[offset + i] = contents[position + i]; - } - } else { - for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR - buffer[offset + i] = contents.get(position + i); - } - } - return size; - } - // use a custom read function - stream_ops.read = (stream, buffer, offset, length, position) => { - FS.forceLoadFile(node); - return writeChunks(stream, buffer, offset, length, position) - }; - // use a custom mmap function - stream_ops.mmap = (stream, length, position, prot, flags) => { - FS.forceLoadFile(node); - var ptr = mmapAlloc(length); - if (!ptr) { - throw new FS.ErrnoError(48); - } - writeChunks(stream, HEAP8, ptr, length, position); - return { ptr, allocated: true }; - }; - node.stream_ops = stream_ops; - return node; - }, - absolutePath() { - abort('FS.absolutePath has been removed; use PATH_FS.resolve instead'); - }, - createFolder() { - abort('FS.createFolder has been removed; use FS.mkdir instead'); - }, - createLink() { - abort('FS.createLink has been removed; use FS.symlink instead'); - }, - joinPath() { - abort('FS.joinPath has been removed; use PATH.join instead'); - }, - mmapAlloc() { - abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc'); - }, - standardizePath() { - abort('FS.standardizePath has been removed; use PATH.normalize instead'); - }, - }; - - - /** - * 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 SYSCALLS = { - DEFAULT_POLLMASK:5, - calculateAt(dirfd, path, allowEmpty) { - if (PATH.isAbs(path)) { - return path; - } - // relative path - var dir; - if (dirfd === -100) { - dir = FS.cwd(); - } else { - var dirstream = SYSCALLS.getStreamFromFD(dirfd); - dir = dirstream.path; - } - if (path.length == 0) { - if (!allowEmpty) { - throw new FS.ErrnoError(44);; - } - return dir; - } - return PATH.join2(dir, path); - }, - doStat(func, path, buf) { - var stat = func(path); - HEAP32[((buf)>>2)] = stat.dev; - HEAP32[(((buf)+(4))>>2)] = stat.mode; - HEAPU32[(((buf)+(8))>>2)] = stat.nlink; - HEAP32[(((buf)+(12))>>2)] = stat.uid; - HEAP32[(((buf)+(16))>>2)] = stat.gid; - HEAP32[(((buf)+(20))>>2)] = stat.rdev; - (tempI64 = [stat.size>>>0,(tempDouble = stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(24))>>2)] = tempI64[0],HEAP32[(((buf)+(28))>>2)] = tempI64[1]); - HEAP32[(((buf)+(32))>>2)] = 4096; - HEAP32[(((buf)+(36))>>2)] = stat.blocks; - var atime = stat.atime.getTime(); - var mtime = stat.mtime.getTime(); - var ctime = stat.ctime.getTime(); - (tempI64 = [Math.floor(atime / 1000)>>>0,(tempDouble = Math.floor(atime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]); - HEAPU32[(((buf)+(48))>>2)] = (atime % 1000) * 1000; - (tempI64 = [Math.floor(mtime / 1000)>>>0,(tempDouble = Math.floor(mtime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(56))>>2)] = tempI64[0],HEAP32[(((buf)+(60))>>2)] = tempI64[1]); - HEAPU32[(((buf)+(64))>>2)] = (mtime % 1000) * 1000; - (tempI64 = [Math.floor(ctime / 1000)>>>0,(tempDouble = Math.floor(ctime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(72))>>2)] = tempI64[0],HEAP32[(((buf)+(76))>>2)] = tempI64[1]); - HEAPU32[(((buf)+(80))>>2)] = (ctime % 1000) * 1000; - (tempI64 = [stat.ino>>>0,(tempDouble = stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]); - return 0; - }, - doMsync(addr, stream, len, flags, offset) { - if (!FS.isFile(stream.node.mode)) { - throw new FS.ErrnoError(43); - } - if (flags & 2) { - // MAP_PRIVATE calls need not to be synced back to underlying fs - return 0; - } - var buffer = HEAPU8.slice(addr, addr + len); - FS.msync(stream, buffer, offset, len, flags); - }, - varargs:undefined, - get() { - assert(SYSCALLS.varargs != undefined); - // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number. - var ret = HEAP32[((+SYSCALLS.varargs)>>2)]; - SYSCALLS.varargs += 4; - return ret; - }, - getp() { return SYSCALLS.get() }, - getStr(ptr) { - var ret = UTF8ToString(ptr); - return ret; - }, - getStreamFromFD(fd) { - var stream = FS.getStreamChecked(fd); - return stream; - }, - }; - function ___syscall_faccessat(dirfd, path, amode, flags) { - try { - - path = SYSCALLS.getStr(path); - assert(flags === 0); - path = SYSCALLS.calculateAt(dirfd, path); - if (amode & ~7) { - // need a valid mode - return -28; - } - var lookup = FS.lookupPath(path, { follow: true }); - var node = lookup.node; - if (!node) { - return -44; - } - var perms = ''; - if (amode & 4) perms += 'r'; - if (amode & 2) perms += 'w'; - if (amode & 1) perms += 'x'; - if (perms /* otherwise, they've just passed F_OK */ && FS.nodePermissions(node, perms)) { - return -2; - } - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } - - function ___syscall_fcntl64(fd, cmd, varargs) { - SYSCALLS.varargs = varargs; - try { - - var stream = SYSCALLS.getStreamFromFD(fd); - switch (cmd) { - case 0: { - var arg = SYSCALLS.get(); - if (arg < 0) { - return -28; - } - while (FS.streams[arg]) { - arg++; - } - var newStream; - newStream = FS.dupStream(stream, arg); - return newStream.fd; - } - case 1: - case 2: - return 0; // FD_CLOEXEC makes no sense for a single process. - case 3: - return stream.flags; - case 4: { - var arg = SYSCALLS.get(); - stream.flags |= arg; - return 0; - } - case 12: { - var arg = SYSCALLS.getp(); - var offset = 0; - // We're always unlocked. - HEAP16[(((arg)+(offset))>>1)] = 2; - return 0; - } - case 13: - case 14: - return 0; // Pretend that the locking is successful. - } - return -28; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } - - function ___syscall_ioctl(fd, op, varargs) { - SYSCALLS.varargs = varargs; - try { - - var stream = SYSCALLS.getStreamFromFD(fd); - switch (op) { - case 21509: { - if (!stream.tty) return -59; - return 0; - } - case 21505: { - if (!stream.tty) return -59; - if (stream.tty.ops.ioctl_tcgets) { - var termios = stream.tty.ops.ioctl_tcgets(stream); - var argp = SYSCALLS.getp(); - HEAP32[((argp)>>2)] = termios.c_iflag || 0; - HEAP32[(((argp)+(4))>>2)] = termios.c_oflag || 0; - HEAP32[(((argp)+(8))>>2)] = termios.c_cflag || 0; - HEAP32[(((argp)+(12))>>2)] = termios.c_lflag || 0; - for (var i = 0; i < 32; i++) { - HEAP8[(argp + i)+(17)] = termios.c_cc[i] || 0; - } - return 0; - } - return 0; - } - case 21510: - case 21511: - case 21512: { - if (!stream.tty) return -59; - return 0; // no-op, not actually adjusting terminal settings - } - case 21506: - case 21507: - case 21508: { - if (!stream.tty) return -59; - if (stream.tty.ops.ioctl_tcsets) { - var argp = SYSCALLS.getp(); - var c_iflag = HEAP32[((argp)>>2)]; - var c_oflag = HEAP32[(((argp)+(4))>>2)]; - var c_cflag = HEAP32[(((argp)+(8))>>2)]; - var c_lflag = HEAP32[(((argp)+(12))>>2)]; - var c_cc = [] - for (var i = 0; i < 32; i++) { - c_cc.push(HEAP8[(argp + i)+(17)]); - } - return stream.tty.ops.ioctl_tcsets(stream.tty, op, { c_iflag, c_oflag, c_cflag, c_lflag, c_cc }); - } - return 0; // no-op, not actually adjusting terminal settings - } - case 21519: { - if (!stream.tty) return -59; - var argp = SYSCALLS.getp(); - HEAP32[((argp)>>2)] = 0; - return 0; - } - case 21520: { - if (!stream.tty) return -59; - return -28; // not supported - } - case 21531: { - var argp = SYSCALLS.getp(); - return FS.ioctl(stream, op, argp); - } - case 21523: { - // TODO: in theory we should write to the winsize struct that gets - // passed in, but for now musl doesn't read anything on it - if (!stream.tty) return -59; - if (stream.tty.ops.ioctl_tiocgwinsz) { - var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty); - var argp = SYSCALLS.getp(); - HEAP16[((argp)>>1)] = winsize[0]; - HEAP16[(((argp)+(2))>>1)] = winsize[1]; - } - return 0; - } - case 21524: { - // TODO: technically, this ioctl call should change the window size. - // but, since emscripten doesn't have any concept of a terminal window - // yet, we'll just silently throw it away as we do TIOCGWINSZ - if (!stream.tty) return -59; - return 0; - } - case 21515: { - if (!stream.tty) return -59; - return 0; - } - default: return -28; // not supported - } - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } - - function ___syscall_openat(dirfd, path, flags, varargs) { - SYSCALLS.varargs = varargs; - try { - - path = SYSCALLS.getStr(path); - path = SYSCALLS.calculateAt(dirfd, path); - var mode = varargs ? SYSCALLS.get() : 0; - return FS.open(path, flags, mode).fd; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return -e.errno; - } - } - - var _abort = () => { - abort('native code called abort()'); - }; - - var _emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num); - - var getHeapMax = () => - // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate - // full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side - // for any code that deals with heap sizes, which would require special - // casing all heap size related code to treat 0 specially. - 2147483648; - - var growMemory = (size) => { - var b = wasmMemory.buffer; - var pages = (size - b.byteLength + 65535) / 65536; - try { - // round size grow request up to wasm page size (fixed 64KB per spec) - wasmMemory.grow(pages); // .grow() takes a delta compared to the previous size - updateMemoryViews(); - return 1 /*success*/; - } catch(e) { - err(`growMemory: Attempted to grow heap from ${b.byteLength} bytes to ${size} bytes, but got error: ${e}`); - } - // implicit 0 return to save code size (caller will cast "undefined" into 0 - // anyhow) - }; - var _emscripten_resize_heap = (requestedSize) => { - var oldSize = HEAPU8.length; - // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned. - requestedSize >>>= 0; - // With multithreaded builds, races can happen (another thread might increase the size - // in between), so return a failure, and let the caller retry. - assert(requestedSize > oldSize); - - // Memory resize rules: - // 1. Always increase heap size to at least the requested size, rounded up - // to next page multiple. - // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap - // geometrically: increase the heap size according to - // MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most - // overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB). - // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap - // linearly: increase the heap size by at least - // MEMORY_GROWTH_LINEAR_STEP bytes. - // 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by - // MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest - // 4. If we were unable to allocate as much memory, it may be due to - // over-eager decision to excessively reserve due to (3) above. - // Hence if an allocation fails, cut down on the amount of excess - // growth, in an attempt to succeed to perform a smaller allocation. - - // A limit is set for how much we can grow. We should not exceed that - // (the wasm binary specifies it, so if we tried, we'd fail anyhow). - var maxHeapSize = getHeapMax(); - if (requestedSize > maxHeapSize) { - err(`Cannot enlarge memory, requested ${requestedSize} bytes, but the limit is ${maxHeapSize} bytes!`); - return false; - } - - var alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple; - - // Loop through potential heap size increases. If we attempt a too eager - // reservation that fails, cut down on the attempted size and reserve a - // smaller bump instead. (max 3 times, chosen somewhat arbitrarily) - for (var cutDown = 1; cutDown <= 4; cutDown *= 2) { - var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth - // but limit overreserving (default to capping at +96MB overgrowth at most) - overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 ); - - var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536)); - - var replacement = growMemory(newSize); - if (replacement) { - - return true; - } - } - err(`Failed to grow the heap from ${oldSize} bytes to ${newSize} bytes, not enough memory!`); - return false; - }; - - var ENV = { - }; - - var getExecutableName = () => { - return thisProgram || './this.program'; - }; - var getEnvStrings = () => { - if (!getEnvStrings.strings) { - // Default values. - // Browser language detection #8751 - var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8'; - var env = { - 'USER': 'web_user', - 'LOGNAME': 'web_user', - 'PATH': '/', - 'PWD': '/', - 'HOME': '/home/web_user', - 'LANG': lang, - '_': getExecutableName() - }; - // Apply the user-provided values, if any. - for (var x in ENV) { - // x is a key in ENV; if ENV[x] is undefined, that means it was - // explicitly set to be so. We allow user code to do that to - // force variables with default values to remain unset. - if (ENV[x] === undefined) delete env[x]; - else env[x] = ENV[x]; - } - var strings = []; - for (var x in env) { - strings.push(`${x}=${env[x]}`); - } - getEnvStrings.strings = strings; - } - return getEnvStrings.strings; - }; - - var stringToAscii = (str, buffer) => { - for (var i = 0; i < str.length; ++i) { - assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff)); - HEAP8[buffer++] = str.charCodeAt(i); - } - // Null-terminate the string - HEAP8[buffer] = 0; - }; - var _environ_get = (__environ, environ_buf) => { - var bufSize = 0; - getEnvStrings().forEach((string, i) => { - var ptr = environ_buf + bufSize; - HEAPU32[(((__environ)+(i*4))>>2)] = ptr; - stringToAscii(string, ptr); - bufSize += string.length + 1; - }); - return 0; - }; - - var _environ_sizes_get = (penviron_count, penviron_buf_size) => { - var strings = getEnvStrings(); - HEAPU32[((penviron_count)>>2)] = strings.length; - var bufSize = 0; - strings.forEach((string) => bufSize += string.length + 1); - HEAPU32[((penviron_buf_size)>>2)] = bufSize; - return 0; - }; - - - 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)`; - readyPromiseReject(msg); - err(msg); - } - - _proc_exit(status); - }; - var _exit = exitJS; - - function _fd_close(fd) { - try { - - var stream = SYSCALLS.getStreamFromFD(fd); - FS.close(stream); - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - } - - /** @param {number=} offset */ - var doReadv = (stream, iov, iovcnt, offset) => { - var ret = 0; - for (var i = 0; i < iovcnt; i++) { - var ptr = HEAPU32[((iov)>>2)]; - var len = HEAPU32[(((iov)+(4))>>2)]; - iov += 8; - var curr = FS.read(stream, HEAP8, ptr, len, offset); - if (curr < 0) return -1; - ret += curr; - if (curr < len) break; // nothing more to read - if (typeof offset !== 'undefined') { - offset += curr; - } - } - return ret; - }; - - function _fd_read(fd, iov, iovcnt, pnum) { - try { - - var stream = SYSCALLS.getStreamFromFD(fd); - var num = doReadv(stream, iov, iovcnt); - HEAPU32[((pnum)>>2)] = num; - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - } - - - var convertI32PairToI53Checked = (lo, hi) => { - assert(lo == (lo >>> 0) || lo == (lo|0)); // lo should either be a i32 or a u32 - assert(hi === (hi|0)); // hi should be a i32 - return ((hi + 0x200000) >>> 0 < 0x400001 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN; - }; - function _fd_seek(fd,offset_low, offset_high,whence,newOffset) { - var offset = convertI32PairToI53Checked(offset_low, offset_high); - - - try { - - if (isNaN(offset)) return 61; - var stream = SYSCALLS.getStreamFromFD(fd); - FS.llseek(stream, offset, whence); - (tempI64 = [stream.position>>>0,(tempDouble = stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]); - if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - ; - } - - /** @param {number=} offset */ - var doWritev = (stream, iov, iovcnt, offset) => { - var ret = 0; - for (var i = 0; i < iovcnt; i++) { - var ptr = HEAPU32[((iov)>>2)]; - var len = HEAPU32[(((iov)+(4))>>2)]; - iov += 8; - var curr = FS.write(stream, HEAP8, ptr, len, offset); - if (curr < 0) return -1; - ret += curr; - if (typeof offset !== 'undefined') { - offset += curr; - } - } - return ret; - }; - - function _fd_write(fd, iov, iovcnt, pnum) { - try { - - var stream = SYSCALLS.getStreamFromFD(fd); - var num = doWritev(stream, iov, iovcnt); - HEAPU32[((pnum)>>2)] = num; - return 0; - } catch (e) { - if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e; - return e.errno; - } - } - - var isLeapYear = (year) => year%4 === 0 && (year%100 !== 0 || year%400 === 0); - - var arraySum = (array, index) => { - var sum = 0; - for (var i = 0; i <= index; sum += array[i++]) { - // no-op - } - return sum; - }; - - - var MONTH_DAYS_LEAP = [31,29,31,30,31,30,31,31,30,31,30,31]; - - var MONTH_DAYS_REGULAR = [31,28,31,30,31,30,31,31,30,31,30,31]; - var addDays = (date, days) => { - var newDate = new Date(date.getTime()); - while (days > 0) { - var leap = isLeapYear(newDate.getFullYear()); - var currentMonth = newDate.getMonth(); - var daysInCurrentMonth = (leap ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR)[currentMonth]; - - if (days > daysInCurrentMonth-newDate.getDate()) { - // we spill over to next month - days -= (daysInCurrentMonth-newDate.getDate()+1); - newDate.setDate(1); - if (currentMonth < 11) { - newDate.setMonth(currentMonth+1) - } else { - newDate.setMonth(0); - newDate.setFullYear(newDate.getFullYear()+1); - } - } else { - // we stay in current month - newDate.setDate(newDate.getDate()+days); - return newDate; - } - } - - return newDate; - }; - - - - - var writeArrayToMemory = (array, buffer) => { - assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)') - HEAP8.set(array, buffer); - }; - - var _strftime = (s, maxsize, format, tm) => { - // size_t strftime(char *restrict s, size_t maxsize, const char *restrict format, const struct tm *restrict timeptr); - // http://pubs.opengroup.org/onlinepubs/009695399/functions/strftime.html - - var tm_zone = HEAPU32[(((tm)+(40))>>2)]; - - var date = { - tm_sec: HEAP32[((tm)>>2)], - tm_min: HEAP32[(((tm)+(4))>>2)], - tm_hour: HEAP32[(((tm)+(8))>>2)], - tm_mday: HEAP32[(((tm)+(12))>>2)], - tm_mon: HEAP32[(((tm)+(16))>>2)], - tm_year: HEAP32[(((tm)+(20))>>2)], - tm_wday: HEAP32[(((tm)+(24))>>2)], - tm_yday: HEAP32[(((tm)+(28))>>2)], - tm_isdst: HEAP32[(((tm)+(32))>>2)], - tm_gmtoff: HEAP32[(((tm)+(36))>>2)], - tm_zone: tm_zone ? UTF8ToString(tm_zone) : '' - }; - - - var pattern = UTF8ToString(format); - - // expand format - var EXPANSION_RULES_1 = { - '%c': '%a %b %d %H:%M:%S %Y', // Replaced by the locale's appropriate date and time representation - e.g., Mon Aug 3 14:02:01 2013 - '%D': '%m/%d/%y', // Equivalent to %m / %d / %y - '%F': '%Y-%m-%d', // Equivalent to %Y - %m - %d - '%h': '%b', // Equivalent to %b - '%r': '%I:%M:%S %p', // Replaced by the time in a.m. and p.m. notation - '%R': '%H:%M', // Replaced by the time in 24-hour notation - '%T': '%H:%M:%S', // Replaced by the time - '%x': '%m/%d/%y', // Replaced by the locale's appropriate date representation - '%X': '%H:%M:%S', // Replaced by the locale's appropriate time representation - // Modified Conversion Specifiers - '%Ec': '%c', // Replaced by the locale's alternative appropriate date and time representation. - '%EC': '%C', // Replaced by the name of the base year (period) in the locale's alternative representation. - '%Ex': '%m/%d/%y', // Replaced by the locale's alternative date representation. - '%EX': '%H:%M:%S', // Replaced by the locale's alternative time representation. - '%Ey': '%y', // Replaced by the offset from %EC (year only) in the locale's alternative representation. - '%EY': '%Y', // Replaced by the full alternative year representation. - '%Od': '%d', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading zeros if there is any alternative symbol for zero; otherwise, with leading characters. - '%Oe': '%e', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading characters. - '%OH': '%H', // Replaced by the hour (24-hour clock) using the locale's alternative numeric symbols. - '%OI': '%I', // Replaced by the hour (12-hour clock) using the locale's alternative numeric symbols. - '%Om': '%m', // Replaced by the month using the locale's alternative numeric symbols. - '%OM': '%M', // Replaced by the minutes using the locale's alternative numeric symbols. - '%OS': '%S', // Replaced by the seconds using the locale's alternative numeric symbols. - '%Ou': '%u', // Replaced by the weekday as a number in the locale's alternative representation (Monday=1). - '%OU': '%U', // Replaced by the week number of the year (Sunday as the first day of the week, rules corresponding to %U ) using the locale's alternative numeric symbols. - '%OV': '%V', // Replaced by the week number of the year (Monday as the first day of the week, rules corresponding to %V ) using the locale's alternative numeric symbols. - '%Ow': '%w', // Replaced by the number of the weekday (Sunday=0) using the locale's alternative numeric symbols. - '%OW': '%W', // Replaced by the week number of the year (Monday as the first day of the week) using the locale's alternative numeric symbols. - '%Oy': '%y', // Replaced by the year (offset from %C ) using the locale's alternative numeric symbols. - }; - for (var rule in EXPANSION_RULES_1) { - pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_1[rule]); - } - - var WEEKDAYS = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']; - var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']; - - function leadingSomething(value, digits, character) { - var str = typeof value == 'number' ? value.toString() : (value || ''); - while (str.length < digits) { - str = character[0]+str; - } - return str; - } - - function leadingNulls(value, digits) { - return leadingSomething(value, digits, '0'); - } - - function compareByDay(date1, date2) { - function sgn(value) { - return value < 0 ? -1 : (value > 0 ? 1 : 0); - } - - var compare; - if ((compare = sgn(date1.getFullYear()-date2.getFullYear())) === 0) { - if ((compare = sgn(date1.getMonth()-date2.getMonth())) === 0) { - compare = sgn(date1.getDate()-date2.getDate()); - } - } - return compare; - } - - function getFirstWeekStartDate(janFourth) { - switch (janFourth.getDay()) { - case 0: // Sunday - return new Date(janFourth.getFullYear()-1, 11, 29); - case 1: // Monday - return janFourth; - case 2: // Tuesday - return new Date(janFourth.getFullYear(), 0, 3); - case 3: // Wednesday - return new Date(janFourth.getFullYear(), 0, 2); - case 4: // Thursday - return new Date(janFourth.getFullYear(), 0, 1); - case 5: // Friday - return new Date(janFourth.getFullYear()-1, 11, 31); - case 6: // Saturday - return new Date(janFourth.getFullYear()-1, 11, 30); - } - } - - function getWeekBasedYear(date) { - var thisDate = addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday); - - var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4); - var janFourthNextYear = new Date(thisDate.getFullYear()+1, 0, 4); - - var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear); - var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear); - - if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) { - // this date is after the start of the first week of this year - if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) { - return thisDate.getFullYear()+1; - } - return thisDate.getFullYear(); - } - return thisDate.getFullYear()-1; - } - - var EXPANSION_RULES_2 = { - '%a': (date) => WEEKDAYS[date.tm_wday].substring(0,3) , - '%A': (date) => WEEKDAYS[date.tm_wday], - '%b': (date) => MONTHS[date.tm_mon].substring(0,3), - '%B': (date) => MONTHS[date.tm_mon], - '%C': (date) => { - var year = date.tm_year+1900; - return leadingNulls((year/100)|0,2); - }, - '%d': (date) => leadingNulls(date.tm_mday, 2), - '%e': (date) => leadingSomething(date.tm_mday, 2, ' '), - '%g': (date) => { - // %g, %G, and %V give values according to the ISO 8601:2000 standard week-based year. - // In this system, weeks begin on a Monday and week 1 of the year is the week that includes - // January 4th, which is also the week that includes the first Thursday of the year, and - // is also the first week that contains at least four days in the year. - // If the first Monday of January is the 2nd, 3rd, or 4th, the preceding days are part of - // the last week of the preceding year; thus, for Saturday 2nd January 1999, - // %G is replaced by 1998 and %V is replaced by 53. If December 29th, 30th, - // or 31st is a Monday, it and any following days are part of week 1 of the following year. - // Thus, for Tuesday 30th December 1997, %G is replaced by 1998 and %V is replaced by 01. - - return getWeekBasedYear(date).toString().substring(2); - }, - '%G': getWeekBasedYear, - '%H': (date) => leadingNulls(date.tm_hour, 2), - '%I': (date) => { - var twelveHour = date.tm_hour; - if (twelveHour == 0) twelveHour = 12; - else if (twelveHour > 12) twelveHour -= 12; - return leadingNulls(twelveHour, 2); - }, - '%j': (date) => { - // Day of the year (001-366) - return leadingNulls(date.tm_mday + arraySum(isLeapYear(date.tm_year+1900) ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR, date.tm_mon-1), 3); - }, - '%m': (date) => leadingNulls(date.tm_mon+1, 2), - '%M': (date) => leadingNulls(date.tm_min, 2), - '%n': () => '\n', - '%p': (date) => { - if (date.tm_hour >= 0 && date.tm_hour < 12) { - return 'AM'; - } - return 'PM'; - }, - '%S': (date) => leadingNulls(date.tm_sec, 2), - '%t': () => '\t', - '%u': (date) => date.tm_wday || 7, - '%U': (date) => { - var days = date.tm_yday + 7 - date.tm_wday; - return leadingNulls(Math.floor(days / 7), 2); - }, - '%V': (date) => { - // Replaced by the week number of the year (Monday as the first day of the week) - // as a decimal number [01,53]. If the week containing 1 January has four - // or more days in the new year, then it is considered week 1. - // Otherwise, it is the last week of the previous year, and the next week is week 1. - // Both January 4th and the first Thursday of January are always in week 1. [ tm_year, tm_wday, tm_yday] - var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7 ) / 7); - // If 1 Jan is just 1-3 days past Monday, the previous week - // is also in this year. - if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) { - val++; - } - if (!val) { - val = 52; - // If 31 December of prev year a Thursday, or Friday of a - // leap year, then the prev year has 53 weeks. - var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7; - if (dec31 == 4 || (dec31 == 5 && isLeapYear(date.tm_year%400-1))) { - val++; - } - } else if (val == 53) { - // If 1 January is not a Thursday, and not a Wednesday of a - // leap year, then this year has only 52 weeks. - var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7; - if (jan1 != 4 && (jan1 != 3 || !isLeapYear(date.tm_year))) - val = 1; - } - return leadingNulls(val, 2); - }, - '%w': (date) => date.tm_wday, - '%W': (date) => { - var days = date.tm_yday + 7 - ((date.tm_wday + 6) % 7); - return leadingNulls(Math.floor(days / 7), 2); - }, - '%y': (date) => { - // Replaced by the last two digits of the year as a decimal number [00,99]. [ tm_year] - return (date.tm_year+1900).toString().substring(2); - }, - // Replaced by the year as a decimal number (for example, 1997). [ tm_year] - '%Y': (date) => date.tm_year+1900, - '%z': (date) => { - // Replaced by the offset from UTC in the ISO 8601:2000 standard format ( +hhmm or -hhmm ). - // For example, "-0430" means 4 hours 30 minutes behind UTC (west of Greenwich). - var off = date.tm_gmtoff; - var ahead = off >= 0; - off = Math.abs(off) / 60; - // convert from minutes into hhmm format (which means 60 minutes = 100 units) - off = (off / 60)*100 + (off % 60); - return (ahead ? '+' : '-') + String("0000" + off).slice(-4); - }, - '%Z': (date) => date.tm_zone, - '%%': () => '%' - }; - - // Replace %% with a pair of NULLs (which cannot occur in a C string), then - // re-inject them after processing. - pattern = pattern.replace(/%%/g, '\0\0') - for (var rule in EXPANSION_RULES_2) { - if (pattern.includes(rule)) { - pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_2[rule](date)); - } - } - pattern = pattern.replace(/\0\0/g, '%') - - var bytes = intArrayFromString(pattern, false); - if (bytes.length > maxsize) { - return 0; - } - - writeArrayToMemory(bytes, s); - return bytes.length-1; - }; - var _strftime_l = (s, maxsize, format, tm, loc) => { - return _strftime(s, maxsize, format, tm); // no locale support yet - }; - - - var getCFunc = (ident) => { - var func = Module['_' + ident]; // closure exported function - assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); - return func; - }; - - - - var stringToUTF8 = (str, outPtr, maxBytesToWrite) => { - assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); - return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite); - }; - var stringToUTF8OnStack = (str) => { - var size = lengthBytesUTF8(str) + 1; - var ret = stackAlloc(size); - stringToUTF8(str, ret, size); - return ret; - }; - - - - - - /** - * @param {string|null=} returnType - * @param {Array=} argTypes - * @param {Arguments|Array=} args - * @param {Object=} opts - */ - var ccall = (ident, returnType, argTypes, args, opts) => { - // For fast lookup of conversion functions - var toC = { - 'string': (str) => { - var ret = 0; - if (str !== null && str !== undefined && str !== 0) { // null string - // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0' - ret = stringToUTF8OnStack(str); - } - return ret; - }, - 'array': (arr) => { - var ret = stackAlloc(arr.length); - writeArrayToMemory(arr, ret); - return ret; - } - }; - - function convertReturnValue(ret) { - if (returnType === 'string') { - - return UTF8ToString(ret); - } - if (returnType === 'boolean') return Boolean(ret); - return ret; - } - - var func = getCFunc(ident); - var cArgs = []; - var stack = 0; - assert(returnType !== 'array', 'Return type should not be "array".'); - if (args) { - for (var i = 0; i < args.length; i++) { - var converter = toC[argTypes[i]]; - if (converter) { - if (stack === 0) stack = stackSave(); - cArgs[i] = converter(args[i]); - } else { - cArgs[i] = args[i]; - } - } - } - var ret = func(...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 - */ - var cwrap = (ident, returnType, argTypes, opts) => { - return (...args) => ccall(ident, returnType, argTypes, args, opts); - }; - - - - var FS_unlink = (path) => FS.unlink(path); - - FS.createPreloadedFile = FS_createPreloadedFile; - FS.staticInit();Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_unlink"] = FS.unlink;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createDevice"] = FS.createDevice;; -function checkIncomingModuleAPI() { - ignoredModuleProp('fetchSettings'); -} -var wasmImports = { - /** @export */ - __cxa_throw: ___cxa_throw, - /** @export */ - __syscall_faccessat: ___syscall_faccessat, - /** @export */ - __syscall_fcntl64: ___syscall_fcntl64, - /** @export */ - __syscall_ioctl: ___syscall_ioctl, - /** @export */ - __syscall_openat: ___syscall_openat, - /** @export */ - abort: _abort, - /** @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, - /** @export */ - strftime_l: _strftime_l -}; -var wasmExports = createWasm(); -var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors'); -var _run_source = Module['_run_source'] = createExportWrapper('run_source'); -var _fflush = createExportWrapper('fflush'); -var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports['emscripten_stack_init'])(); -var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports['emscripten_stack_get_free'])(); -var _emscripten_stack_get_base = () => (_emscripten_stack_get_base = wasmExports['emscripten_stack_get_base'])(); -var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports['emscripten_stack_get_end'])(); -var stackSave = createExportWrapper('stackSave'); -var stackRestore = createExportWrapper('stackRestore'); -var stackAlloc = createExportWrapper('stackAlloc'); -var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])(); -var ___cxa_is_pointer_type = createExportWrapper('__cxa_is_pointer_type'); -var dynCall_iij = Module['dynCall_iij'] = createExportWrapper('dynCall_iij'); -var dynCall_jiji = Module['dynCall_jiji'] = createExportWrapper('dynCall_jiji'); -var dynCall_viijii = Module['dynCall_viijii'] = createExportWrapper('dynCall_viijii'); -var dynCall_iiiiij = Module['dynCall_iiiiij'] = createExportWrapper('dynCall_iiiiij'); -var dynCall_iiiiijj = Module['dynCall_iiiiijj'] = createExportWrapper('dynCall_iiiiijj'); -var dynCall_iiiiiijj = Module['dynCall_iiiiiijj'] = createExportWrapper('dynCall_iiiiiijj'); - - -// include: postamble.js -// === Auto-generated postamble setup entry stuff === - -Module['addRunDependency'] = addRunDependency; -Module['removeRunDependency'] = removeRunDependency; -Module['FS_createPath'] = FS.createPath; -Module['FS_createLazyFile'] = FS.createLazyFile; -Module['FS_createDevice'] = FS.createDevice; -Module['ccall'] = ccall; -Module['cwrap'] = cwrap; -Module['FS_createPreloadedFile'] = FS.createPreloadedFile; -Module['FS_createDataFile'] = FS.createDataFile; -Module['FS_unlink'] = FS.unlink; -var missingLibrarySymbols = [ - 'writeI53ToI64', - 'writeI53ToI64Clamped', - 'writeI53ToI64Signaling', - 'writeI53ToU64Clamped', - 'writeI53ToU64Signaling', - 'readI53FromI64', - 'readI53FromU64', - 'convertI32PairToI53', - 'convertU32PairToI53', - 'ydayFromDate', - 'inetPton4', - 'inetNtop4', - 'inetPton6', - 'inetNtop6', - 'readSockaddr', - 'writeSockaddr', - 'getCallstack', - 'emscriptenLog', - 'convertPCtoSourceLocation', - 'readEmAsmArgs', - 'jstoi_q', - 'listenOnce', - 'autoResumeAudioContext', - 'dynCallLegacy', - 'getDynCaller', - 'dynCall', - 'handleException', - 'runtimeKeepalivePush', - 'runtimeKeepalivePop', - 'callUserCallback', - 'maybeExit', - 'asmjsMangle', - 'HandleAllocator', - 'getNativeTypeSize', - 'STACK_SIZE', - 'STACK_ALIGN', - 'POINTER_SIZE', - 'ASSERTIONS', - 'uleb128Encode', - 'sigToWasmTypes', - 'generateFuncType', - 'convertJsFunctionToWasm', - 'getEmptyTableSlot', - 'updateTableMap', - 'getFunctionAddress', - 'addFunction', - 'removeFunction', - 'reallyNegative', - 'unSign', - 'strLen', - 'reSign', - 'formatString', - 'intArrayToString', - 'AsciiToString', - 'UTF16ToString', - 'stringToUTF16', - 'lengthBytesUTF16', - 'UTF32ToString', - 'stringToUTF32', - 'lengthBytesUTF32', - 'stringToNewUTF8', - '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', - 'stackTrace', - 'checkWasiClock', - 'wasiRightsToMuslOFlags', - 'wasiOFlagsToMuslOFlags', - 'createDyncallWrapper', - 'safeSetTimeout', - 'setImmediateWrapped', - 'clearImmediateWrapped', - 'polyfillSetImmediate', - 'getPromise', - 'makePromise', - 'idsToPromises', - 'makePromiseCallback', - 'findMatchingCatch', - 'Browser_asyncPrepareDataCounter', - 'setMainLoop', - 'getSocketFromFD', - 'getSocketAddress', - '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', -]; -missingLibrarySymbols.forEach(missingLibrarySymbol) - -var unexportedSymbols = [ - 'run', - 'addOnPreRun', - 'addOnInit', - 'addOnPreMain', - 'addOnExit', - 'addOnPostRun', - 'FS_createFolder', - 'FS_createLink', - 'FS_readFile', - 'out', - 'err', - 'callMain', - 'abort', - 'wasmMemory', - 'wasmExports', - 'stackAlloc', - 'stackSave', - 'stackRestore', - 'getTempRet0', - 'setTempRet0', - 'writeStackCookie', - 'checkStackCookie', - 'convertI32PairToI53Checked', - 'ptrToString', - 'zeroMemory', - 'exitJS', - 'getHeapMax', - 'growMemory', - 'ENV', - 'MONTH_DAYS_REGULAR', - 'MONTH_DAYS_LEAP', - 'MONTH_DAYS_REGULAR_CUMULATIVE', - 'MONTH_DAYS_LEAP_CUMULATIVE', - 'isLeapYear', - 'arraySum', - 'addDays', - 'ERRNO_CODES', - 'ERRNO_MESSAGES', - 'DNS', - 'Protocols', - 'Sockets', - 'initRandomFill', - 'randomFill', - 'timers', - 'warnOnce', - 'UNWIND_CACHE', - 'readEmAsmArgsArray', - 'jstoi_s', - 'getExecutableName', - 'keepRuntimeAlive', - 'asyncLoad', - 'alignMemory', - 'mmapAlloc', - 'wasmTable', - 'noExitRuntime', - 'getCFunc', - 'freeTableIndexes', - 'functionsInTableMap', - 'setValue', - 'getValue', - 'PATH', - 'PATH_FS', - 'UTF8Decoder', - 'UTF8ArrayToString', - 'UTF8ToString', - 'stringToUTF8Array', - 'stringToUTF8', - 'lengthBytesUTF8', - 'intArrayFromString', - 'stringToAscii', - 'UTF16Decoder', - 'stringToUTF8OnStack', - 'writeArrayToMemory', - 'JSEvents', - 'specialHTMLTargets', - 'findCanvasEventTarget', - 'currentFullscreenStrategy', - 'restoreOldWindowedStyle', - 'ExitStatus', - 'getEnvStrings', - 'doReadv', - 'doWritev', - 'promiseMap', - 'uncaughtExceptionCount', - 'exceptionLast', - 'exceptionCaught', - 'ExceptionInfo', - 'Browser', - 'getPreloadedImageData__data', - 'wget', - 'SYSCALLS', - 'preloadPlugins', - 'FS_modeStringToFlags', - 'FS_getMode', - 'FS_stdin_getChar_buffer', - 'FS_stdin_getChar', - 'FS', - 'MEMFS', - 'TTY', - 'PIPEFS', - 'SOCKFS', - 'tempFixedLengthArray', - 'miniTempWebGLFloatBuffers', - 'miniTempWebGLIntBuffers', - 'GL', - 'AL', - 'GLUT', - 'EGL', - 'GLEW', - 'IDBStore', - 'SDL', - 'SDL_gfx', - 'allocateUTF8', - 'allocateUTF8OnStack', -]; -unexportedSymbols.forEach(unexportedRuntimeSymbol); - - - -var calledRun; - -dependenciesFulfilled = function runCaller() { - // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false) - if (!calledRun) run(); - if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled -}; - -function stackCheckInit() { - // This is normally called automatically during __wasm_call_ctors but need to - // get these values before even running any of the ctors so we call it redundantly - // here. - _emscripten_stack_init(); - // TODO(sbc): Move writeStackCookie to native to to avoid this. - writeStackCookie(); -} - -function run() { - - if (runDependencies > 0) { - return; - } - - stackCheckInit(); - - preRun(); - - // a preRun added a dependency, run will be called later - if (runDependencies > 0) { - return; - } - - function doRun() { - // run may have just been called through dependencies being fulfilled just in this very frame, - // or while the async setStatus time below was happening - if (calledRun) return; - calledRun = true; - Module['calledRun'] = true; - - if (ABORT) return; - - initRuntime(); - - readyPromiseResolve(Module); - if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized'](); - - assert(!Module['_main'], 'compiled without a main, but one is present. if you added it from JS, use Module["onRuntimeInitialized"]'); - - postRun(); - } - - if (Module['setStatus']) { - Module['setStatus']('Running...'); - setTimeout(function() { - setTimeout(function() { - Module['setStatus'](''); - }, 1); - doRun(); - }, 1); - } else - { - doRun(); - } - checkStackCookie(); -} - -function checkUnflushedContent() { - // Compiler settings do not allow exiting the runtime, so flushing - // the streams is not possible. but in ASSERTIONS mode we check - // if there was something to flush, and if so tell the user they - // should request that the runtime be exitable. - // Normally we would not even include flush() at all, but in ASSERTIONS - // builds we do so just for this check, and here we see if there is any - // content to flush, that is, we check if there would have been - // something a non-ASSERTIONS build would have not seen. - // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0 - // mode (which has its own special function for this; otherwise, all - // the code is inside libc) - var oldOut = out; - var oldErr = err; - var has = false; - out = err = (x) => { - has = true; - } - try { // it doesn't matter if it fails - _fflush(0); - // also flush in the JS FS layer - ['stdout', 'stderr'].forEach(function(name) { - var info = FS.analyzePath('/dev/' + name); - if (!info) return; - var stream = info.object; - var rdev = stream.rdev; - var tty = TTY.ttys[rdev]; - if (tty?.output?.length) { - has = true; - } - }); - } catch(e) {} - out = oldOut; - err = oldErr; - if (has) { - warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the Emscripten FAQ), or make sure to emit a newline when you printf etc.'); - } -} - -if (Module['preInit']) { - if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; - while (Module['preInit'].length > 0) { - Module['preInit'].pop()(); - } -} - -run(); - -// end include: postamble.js - - - - return moduleArg.ready -} -); -})(); -export default createSolsticeModule; \ No newline at end of file +var Module=typeof Module!="undefined"?Module:{};var moduleOverrides=Object.assign({},Module);var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof importScripts=="function";var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string";var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary;if(ENVIRONMENT_IS_NODE){var fs=require("fs");var nodePath=require("path");if(ENVIRONMENT_IS_WORKER){scriptDirectory=nodePath.dirname(scriptDirectory)+"/"}else{scriptDirectory=__dirname+"/"}read_=(filename,binary)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);return fs.readFileSync(filename,binary?undefined:"utf8")};readBinary=filename=>{var ret=read_(filename,true);if(!ret.buffer){ret=new Uint8Array(ret)}return ret};readAsync=(filename,onload,onerror,binary=true)=>{filename=isFileURI(filename)?new URL(filename):nodePath.normalize(filename);fs.readFile(filename,binary?undefined:"utf8",(err,data)=>{if(err)onerror(err);else onload(binary?data.buffer:data)})};if(!Module["thisProgram"]&&process.argv.length>1){thisProgram=process.argv[1].replace(/\\/g,"/")}arguments_=process.argv.slice(2);if(typeof module!="undefined"){module["exports"]=Module}process.on("uncaughtException",ex=>{if(ex!=="unwind"&&!(ex instanceof ExitStatus)&&!(ex.context instanceof ExitStatus)){throw ex}});quit_=(status,toThrow)=>{process.exitCode=status;throw toThrow}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(typeof document!="undefined"&&document.currentScript){scriptDirectory=document.currentScript.src}if(scriptDirectory.startsWith("blob:")){scriptDirectory=""}else{scriptDirectory=scriptDirectory.substr(0,scriptDirectory.replace(/[?#].*/,"").lastIndexOf("/")+1)}{read_=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(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){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)}}}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.error.bind(console);Object.assign(Module,moduleOverrides);moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["quit"])quit_=Module["quit"];var wasmBinary;if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];var wasmMemory;var ABORT=false;var EXITSTATUS;var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);Module["HEAP16"]=HEAP16=new Int16Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);Module["HEAPU16"]=HEAPU16=new Uint16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);Module["HEAPF64"]=HEAPF64=new Float64Array(b)}var __ATPRERUN__=[];var __ATINIT__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;if(!Module["noFSInit"]&&!FS.init.initialized)FS.init();FS.ignorePermissions=false;TTY.init();callRuntimeCallbacks(__ATINIT__)}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnInit(cb){__ATINIT__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function getUniqueRunDependency(id){return id}function addRunDependency(id){runDependencies++;Module["monitorRunDependencies"]?.(runDependencies)}function removeRunDependency(id){runDependencies--;Module["monitorRunDependencies"]?.(runDependencies);if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}function abort(what){Module["onAbort"]?.(what);what="Aborted("+what+")";err(what);ABORT=true;EXITSTATUS=1;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);throw e}var dataURIPrefix="data:application/octet-stream;base64,";var isDataURI=filename=>filename.startsWith(dataURIPrefix);var isFileURI=filename=>filename.startsWith("file://");var wasmBinaryFile;wasmBinaryFile="playground.wasm";if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}function getBinarySync(file){if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}function getBinaryPromise(binaryFile){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)){if(typeof fetch=="function"&&!isFileURI(binaryFile)){return fetch(binaryFile,{credentials:"same-origin"}).then(response=>{if(!response["ok"]){throw`failed to load wasm binary file at '${binaryFile}'`}return response["arrayBuffer"]()}).catch(()=>getBinarySync(binaryFile))}else if(readAsync){return new Promise((resolve,reject)=>{readAsync(binaryFile,response=>resolve(new Uint8Array(response)),reject)})}}return Promise.resolve().then(()=>getBinarySync(binaryFile))}function instantiateArrayBuffer(binaryFile,imports,receiver){return getBinaryPromise(binaryFile).then(binary=>WebAssembly.instantiate(binary,imports)).then(receiver,reason=>{err(`failed to asynchronously prepare wasm: ${reason}`);abort(reason)})}function instantiateAsync(binary,binaryFile,imports,callback){if(!binary&&typeof WebAssembly.instantiateStreaming=="function"&&!isDataURI(binaryFile)&&!isFileURI(binaryFile)&&!ENVIRONMENT_IS_NODE&&typeof fetch=="function"){return fetch(binaryFile,{credentials:"same-origin"}).then(response=>{var result=WebAssembly.instantiateStreaming(response,imports);return result.then(callback,function(reason){err(`wasm streaming compile failed: ${reason}`);err("falling back to ArrayBuffer instantiation");return instantiateArrayBuffer(binaryFile,imports,callback)})})}return instantiateArrayBuffer(binaryFile,imports,callback)}function createWasm(){var info={"a":wasmImports};function receiveInstance(instance,module){wasmExports=instance.exports;wasmMemory=wasmExports["n"];updateMemoryViews();addOnInit(wasmExports["o"]);removeRunDependency("wasm-instantiate");return wasmExports}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){receiveInstance(result["instance"])}if(Module["instantiateWasm"]){try{return Module["instantiateWasm"](info,receiveInstance)}catch(e){err(`Module.instantiateWasm callback failed with error: ${e}`);return false}}instantiateAsync(wasmBinary,wasmBinaryFile,info,receiveInstantiationResult);return{}}var tempDouble;var tempI64;function ExitStatus(status){this.name="ExitStatus";this.message=`Program terminated with exit(${status})`;this.status=status}var callRuntimeCallbacks=callbacks=>{while(callbacks.length>0){callbacks.shift()(Module)}};var noExitRuntime=Module["noExitRuntime"]||true;var PATH={isAbs:path=>path.charAt(0)==="/",splitPath:filename=>{var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1)},normalizeArray:(parts,allowAboveRoot)=>{var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift("..")}}return parts},normalize:path=>{var isAbsolute=PATH.isAbs(path),trailingSlash=path.substr(-1)==="/";path=PATH.normalizeArray(path.split("/").filter(p=>!!p),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path},dirname:path=>{var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir},basename:path=>{if(path==="/")return"/";path=PATH.normalize(path);path=path.replace(/\/$/,"");var lastSlash=path.lastIndexOf("/");if(lastSlash===-1)return path;return path.substr(lastSlash+1)},join:(...paths)=>PATH.normalize(paths.join("/")),join2:(l,r)=>PATH.normalize(l+"/"+r)};var initRandomFill=()=>{if(typeof crypto=="object"&&typeof crypto["getRandomValues"]=="function"){return view=>crypto.getRandomValues(view)}else if(ENVIRONMENT_IS_NODE){try{var crypto_module=require("crypto");var randomFillSync=crypto_module["randomFillSync"];if(randomFillSync){return view=>crypto_module["randomFillSync"](view)}var randomBytes=crypto_module["randomBytes"];return view=>(view.set(randomBytes(view.byteLength)),view)}catch(e){}}abort("initRandomDevice")};var randomFill=view=>(randomFill=initRandomFill())(view);var PATH_FS={resolve:(...args)=>{var resolvedPath="",resolvedAbsolute=false;for(var i=args.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?args[i]:FS.cwd();if(typeof path!="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){return""}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=PATH.isAbs(path)}resolvedPath=PATH.normalizeArray(resolvedPath.split("/").filter(p=>!!p),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."},relative:(from,to)=>{from=PATH_FS.resolve(from).substr(1);to=PATH_FS.resolve(to).substr(1);function trim(arr){var start=0;for(;start=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i{var endIdx=idx+maxBytesToRead;var endPtr=idx;while(heapOrArray[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.subarray(idx,endPtr))}var str="";while(idx>10,56320|ch&1023)}}return str};var FS_stdin_getChar_buffer=[];var lengthBytesUTF8=str=>{var len=0;for(var i=0;i=55296&&c<=57343){len+=4;++i}else{len+=3}}return len};var stringToUTF8Array=(str,heap,outIdx,maxBytesToWrite)=>{if(!(maxBytesToWrite>0))return 0;var startIdx=outIdx;var endIdx=outIdx+maxBytesToWrite-1;for(var i=0;i=55296&&u<=57343){var u1=str.charCodeAt(++i);u=65536+((u&1023)<<10)|u1&1023}if(u<=127){if(outIdx>=endIdx)break;heap[outIdx++]=u}else if(u<=2047){if(outIdx+1>=endIdx)break;heap[outIdx++]=192|u>>6;heap[outIdx++]=128|u&63}else if(u<=65535){if(outIdx+2>=endIdx)break;heap[outIdx++]=224|u>>12;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}else{if(outIdx+3>=endIdx)break;heap[outIdx++]=240|u>>18;heap[outIdx++]=128|u>>12&63;heap[outIdx++]=128|u>>6&63;heap[outIdx++]=128|u&63}}heap[outIdx]=0;return outIdx-startIdx};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){var BUFSIZE=256;var buf=Buffer.alloc(BUFSIZE);var bytesRead=0;var fd=process.stdin.fd;try{bytesRead=fs.readSync(fd,buf)}catch(e){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"){result=window.prompt("Input: ");if(result!==null){result+="\n"}}else if(typeof readline=="function"){result=readline();if(result!==null){result+="\n"}}if(!result){return null}FS_stdin_getChar_buffer=intArrayFromString(result,true)}return FS_stdin_getChar_buffer.shift()};var TTY={ttys:[],init(){},shutdown(){},register(dev,ops){TTY.ttys[dev]={input:[],output:[],ops:ops};FS.registerDevice(dev,TTY.stream_ops)},stream_ops:{open(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(43)}stream.tty=tty;stream.seekable=false},close(stream){stream.tty.ops.fsync(stream.tty)},fsync(stream){stream.tty.ops.fsync(stream.tty)},read(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(60)}var bytesRead=0;for(var i=0;i0){out(UTF8ArrayToString(tty.output,0));tty.output=[]}},ioctl_tcgets(tty){return{c_iflag:25856,c_oflag:5,c_cflag:191,c_lflag:35387,c_cc:[3,28,127,21,4,0,1,0,17,19,26,0,18,15,23,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}},ioctl_tcsets(tty,optional_actions,data){return 0},ioctl_tiocgwinsz(tty){return[24,80]}},default_tty1_ops:{put_char(tty,val){if(val===null||val===10){err(UTF8ArrayToString(tty.output,0));tty.output=[]}else{if(val!=0)tty.output.push(val)}},fsync(tty){if(tty.output&&tty.output.length>0){err(UTF8ArrayToString(tty.output,0));tty.output=[]}}}};var mmapAlloc=size=>{abort()};var MEMFS={ops_table:null,mount(mount){return MEMFS.createNode(null,"/",16384|511,0)},createNode(parent,name,mode,dev){if(FS.isBlkdev(mode)||FS.isFIFO(mode)){throw new FS.ErrnoError(63)}MEMFS.ops_table||={dir:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,lookup:MEMFS.node_ops.lookup,mknod:MEMFS.node_ops.mknod,rename:MEMFS.node_ops.rename,unlink:MEMFS.node_ops.unlink,rmdir:MEMFS.node_ops.rmdir,readdir:MEMFS.node_ops.readdir,symlink:MEMFS.node_ops.symlink},stream:{llseek:MEMFS.stream_ops.llseek}},file:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:{llseek:MEMFS.stream_ops.llseek,read:MEMFS.stream_ops.read,write:MEMFS.stream_ops.write,allocate:MEMFS.stream_ops.allocate,mmap:MEMFS.stream_ops.mmap,msync:MEMFS.stream_ops.msync}},link:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr,readlink:MEMFS.node_ops.readlink},stream:{}},chrdev:{node:{getattr:MEMFS.node_ops.getattr,setattr:MEMFS.node_ops.setattr},stream:FS.chrdev_stream_ops}};var node=FS.createNode(parent,name,mode,dev);if(FS.isDir(node.mode)){node.node_ops=MEMFS.ops_table.dir.node;node.stream_ops=MEMFS.ops_table.dir.stream;node.contents={}}else if(FS.isFile(node.mode)){node.node_ops=MEMFS.ops_table.file.node;node.stream_ops=MEMFS.ops_table.file.stream;node.usedBytes=0;node.contents=null}else if(FS.isLink(node.mode)){node.node_ops=MEMFS.ops_table.link.node;node.stream_ops=MEMFS.ops_table.link.stream}else if(FS.isChrdev(node.mode)){node.node_ops=MEMFS.ops_table.chrdev.node;node.stream_ops=MEMFS.ops_table.chrdev.stream}node.timestamp=Date.now();if(parent){parent.contents[name]=node;parent.timestamp=node.timestamp}return node},getFileDataAsTypedArray(node){if(!node.contents)return new Uint8Array(0);if(node.contents.subarray)return node.contents.subarray(0,node.usedBytes);return new Uint8Array(node.contents)},expandFileStorage(node,newCapacity){var prevCapacity=node.contents?node.contents.length:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity>>0);if(prevCapacity!=0)newCapacity=Math.max(newCapacity,256);var oldContents=node.contents;node.contents=new Uint8Array(newCapacity);if(node.usedBytes>0)node.contents.set(oldContents.subarray(0,node.usedBytes),0)},resizeFileStorage(node,newSize){if(node.usedBytes==newSize)return;if(newSize==0){node.contents=null;node.usedBytes=0}else{var oldContents=node.contents;node.contents=new Uint8Array(newSize);if(oldContents){node.contents.set(oldContents.subarray(0,Math.min(newSize,node.usedBytes)))}node.usedBytes=newSize}},node_ops:{getattr(node){var attr={};attr.dev=FS.isChrdev(node.mode)?node.id:1;attr.ino=node.id;attr.mode=node.mode;attr.nlink=1;attr.uid=0;attr.gid=0;attr.rdev=node.rdev;if(FS.isDir(node.mode)){attr.size=4096}else if(FS.isFile(node.mode)){attr.size=node.usedBytes}else if(FS.isLink(node.mode)){attr.size=node.link.length}else{attr.size=0}attr.atime=new Date(node.timestamp);attr.mtime=new Date(node.timestamp);attr.ctime=new Date(node.timestamp);attr.blksize=4096;attr.blocks=Math.ceil(attr.size/attr.blksize);return attr},setattr(node,attr){if(attr.mode!==undefined){node.mode=attr.mode}if(attr.timestamp!==undefined){node.timestamp=attr.timestamp}if(attr.size!==undefined){MEMFS.resizeFileStorage(node,attr.size)}},lookup(parent,name){throw FS.genericErrors[44]},mknod(parent,name,mode,dev){return MEMFS.createNode(parent,name,mode,dev)},rename(old_node,new_dir,new_name){if(FS.isDir(old_node.mode)){var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(new_node){for(var i in new_node.contents){throw new FS.ErrnoError(55)}}}delete old_node.parent.contents[old_node.name];old_node.parent.timestamp=Date.now();old_node.name=new_name;new_dir.contents[new_name]=old_node;new_dir.timestamp=old_node.parent.timestamp;old_node.parent=new_dir},unlink(parent,name){delete parent.contents[name];parent.timestamp=Date.now()},rmdir(parent,name){var node=FS.lookupNode(parent,name);for(var i in node.contents){throw new FS.ErrnoError(55)}delete parent.contents[name];parent.timestamp=Date.now()},readdir(node){var entries=[".",".."];for(var key of Object.keys(node.contents)){entries.push(key)}return entries},symlink(parent,newname,oldpath){var node=MEMFS.createNode(parent,newname,511|40960,0);node.link=oldpath;return node},readlink(node){if(!FS.isLink(node.mode)){throw new FS.ErrnoError(28)}return node.link}},stream_ops:{read(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i0||position+length{var dep=!noRunDep?getUniqueRunDependency(`al ${url}`):"";readAsync(url,arrayBuffer=>{onload(new Uint8Array(arrayBuffer));if(dep)removeRunDependency(dep)},event=>{if(onerror){onerror()}else{throw`Loading data file "${url}" failed.`}});if(dep)addRunDependency(dep)};var FS_createDataFile=(parent,name,fileData,canRead,canWrite,canOwn)=>{FS.createDataFile(parent,name,fileData,canRead,canWrite,canOwn)};var preloadPlugins=Module["preloadPlugins"]||[];var FS_handledByPreloadPlugin=(byteArray,fullname,finish,onerror)=>{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)=>{var fullname=name?PATH_FS.resolve(PATH.join2(parent,name)):parent;var dep=getUniqueRunDependency(`cp ${fullname}`);function processData(byteArray){function finish(byteArray){preFinish?.();if(!dontCreateFile){FS_createDataFile(parent,name,byteArray,canRead,canWrite,canOwn)}onload?.();removeRunDependency(dep)}if(FS_handledByPreloadPlugin(byteArray,fullname,finish,()=>{onerror?.();removeRunDependency(dep)})){return}finish(byteArray)}addRunDependency(dep);if(typeof url=="string"){asyncLoad(url,processData,onerror)}else{processData(url)}};var FS_modeStringToFlags=str=>{var flagModes={"r":0,"r+":2,"w":512|64|1,"w+":512|64|2,"a":1024|64|1,"a+":1024|64|2};var flags=flagModes[str];if(typeof flags=="undefined"){throw new Error(`Unknown file open mode: ${str}`)}return flags};var FS_getMode=(canRead,canWrite)=>{var mode=0;if(canRead)mode|=292|73;if(canWrite)mode|=146;return mode};var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:class{constructor(errno){this.name="ErrnoError";this.errno=errno}},genericErrors:{},filesystems:null,syncFSRequests:0,FSStream:class{constructor(){this.shared={}}get object(){return this.node}set object(val){this.node=val}get isRead(){return(this.flags&2097155)!==1}get isWrite(){return(this.flags&2097155)!==0}get isAppend(){return this.flags&1024}get flags(){return this.shared.flags}set flags(val){this.shared.flags=val}get position(){return this.shared.position}set position(val){this.shared.position=val}},FSNode:class{constructor(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.mounted=null;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.node_ops={};this.stream_ops={};this.rdev=rdev;this.readMode=292|73;this.writeMode=146}get read(){return(this.mode&this.readMode)===this.readMode}set read(val){val?this.mode|=this.readMode:this.mode&=~this.readMode}get write(){return(this.mode&this.writeMode)===this.writeMode}set write(val){val?this.mode|=this.writeMode:this.mode&=~this.writeMode}get isFolder(){return FS.isDir(this.mode)}get isDevice(){return FS.isChrdev(this.mode)}},lookupPath(path,opts={}){path=PATH_FS.resolve(path);if(!path)return{path:"",node:null};var defaults={follow_mount:true,recurse_count:0};opts=Object.assign(defaults,opts);if(opts.recurse_count>8){throw new FS.ErrnoError(32)}var parts=path.split("/").filter(p=>!!p);var current=FS.root;var current_path="/";for(var i=0;i40){throw new FS.ErrnoError(32)}}}}return{path:current_path,node:current}},getPath(node){var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?`${mount}/${path}`:mount+path}path=path?`${node.name}/${path}`:node.name;node=node.parent}},hashName(parentid,name){var hash=0;for(var i=0;i>>0)%FS.nameTable.length},hashAddNode(node){var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node},hashRemoveNode(node){var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}},lookupNode(parent,name){var errCode=FS.mayLookup(parent);if(errCode){throw new FS.ErrnoError(errCode)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)},createNode(parent,name,mode,rdev){var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node},destroyNode(node){FS.hashRemoveNode(node)},isRoot(node){return node===node.parent},isMountpoint(node){return!!node.mounted},isFile(mode){return(mode&61440)===32768},isDir(mode){return(mode&61440)===16384},isLink(mode){return(mode&61440)===40960},isChrdev(mode){return(mode&61440)===8192},isBlkdev(mode){return(mode&61440)===24576},isFIFO(mode){return(mode&61440)===4096},isSocket(mode){return(mode&49152)===49152},flagsToPermissionString(flag){var perms=["r","w","rw"][flag&3];if(flag&512){perms+="w"}return perms},nodePermissions(node,perms){if(FS.ignorePermissions){return 0}if(perms.includes("r")&&!(node.mode&292)){return 2}else if(perms.includes("w")&&!(node.mode&146)){return 2}else if(perms.includes("x")&&!(node.mode&73)){return 2}return 0},mayLookup(dir){if(!FS.isDir(dir.mode))return 54;var errCode=FS.nodePermissions(dir,"x");if(errCode)return errCode;if(!dir.node_ops.lookup)return 2;return 0},mayCreate(dir,name){try{var node=FS.lookupNode(dir,name);return 20}catch(e){}return FS.nodePermissions(dir,"wx")},mayDelete(dir,name,isdir){var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var errCode=FS.nodePermissions(dir,"wx");if(errCode){return errCode}if(isdir){if(!FS.isDir(node.mode)){return 54}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return 10}}else{if(FS.isDir(node.mode)){return 31}}return 0},mayOpen(node,flags){if(!node){return 44}if(FS.isLink(node.mode)){return 32}else if(FS.isDir(node.mode)){if(FS.flagsToPermissionString(flags)!=="r"||flags&512){return 31}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))},MAX_OPEN_FDS:4096,nextfd(){for(var fd=0;fd<=FS.MAX_OPEN_FDS;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(33)},getStreamChecked(fd){var stream=FS.getStream(fd);if(!stream){throw new FS.ErrnoError(8)}return stream},getStream:fd=>FS.streams[fd],createStream(stream,fd=-1){stream=Object.assign(new FS.FSStream,stream);if(fd==-1){fd=FS.nextfd()}stream.fd=fd;FS.streams[fd]=stream;return stream},closeStream(fd){FS.streams[fd]=null},dupStream(origStream,fd=-1){var stream=FS.createStream(origStream,fd);stream.stream_ops?.dup?.(stream);return stream},chrdev_stream_ops:{open(stream){var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;stream.stream_ops.open?.(stream)},llseek(){throw new FS.ErrnoError(70)}},major:dev=>dev>>8,minor:dev=>dev&255,makedev:(ma,mi)=>ma<<8|mi,registerDevice(dev,ops){FS.devices[dev]={stream_ops:ops}},getDevice:dev=>FS.devices[dev],getMounts(mount){var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push(...m.mounts)}return mounts},syncfs(populate,callback){if(typeof populate=="function"){callback=populate;populate=false}FS.syncFSRequests++;if(FS.syncFSRequests>1){err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`)}var mounts=FS.getMounts(FS.root.mount);var completed=0;function doCallback(errCode){FS.syncFSRequests--;return callback(errCode)}function done(errCode){if(errCode){if(!done.errored){done.errored=true;return doCallback(errCode)}return}if(++completed>=mounts.length){doCallback(null)}}mounts.forEach(mount=>{if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)})},mount(type,opts,mountpoint){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;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(10)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(54)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot},unmount(mountpoint){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(28)}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}});node.mounted=null;var idx=node.mount.mounts.indexOf(mount);node.mount.mounts.splice(idx,1)},lookup(parent,name){return parent.node_ops.lookup(parent,name)},mknod(path,mode,dev){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name==="."||name===".."){throw new FS.ErrnoError(28)}var errCode=FS.mayCreate(parent,name);if(errCode){throw new FS.ErrnoError(errCode)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(63)}return parent.node_ops.mknod(parent,name,mode,dev)},create(path,mode){mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)},mkdir(path,mode){mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)},mkdirTree(path,mode){var dirs=path.split("/");var d="";for(var i=0;iFS.currentPath,chdir(path){var lookup=FS.lookupPath(path,{follow:true});if(lookup.node===null){throw new FS.ErrnoError(44)}if(!FS.isDir(lookup.node.mode)){throw new FS.ErrnoError(54)}var errCode=FS.nodePermissions(lookup.node,"x");if(errCode){throw new FS.ErrnoError(errCode)}FS.currentPath=lookup.path},createDefaultDirectories(){FS.mkdir("/tmp");FS.mkdir("/home");FS.mkdir("/home/web_user")},createDefaultDevices(){FS.mkdir("/dev");FS.registerDevice(FS.makedev(1,3),{read:()=>0,write:(stream,buffer,offset,length,pos)=>length});FS.mkdev("/dev/null",FS.makedev(1,3));TTY.register(FS.makedev(5,0),TTY.default_tty_ops);TTY.register(FS.makedev(6,0),TTY.default_tty1_ops);FS.mkdev("/dev/tty",FS.makedev(5,0));FS.mkdev("/dev/tty1",FS.makedev(6,0));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);FS.mkdir("/dev/shm");FS.mkdir("/dev/shm/tmp")},createSpecialDirectories(){FS.mkdir("/proc");var proc_self=FS.mkdir("/proc/self");FS.mkdir("/proc/self/fd");FS.mount({mount(){var node=FS.createNode(proc_self,"fd",16384|511,73);node.node_ops={lookup(parent,name){var fd=+name;var stream=FS.getStreamChecked(fd);var ret={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>stream.path}};ret.parent=ret;return ret}};return node}},{},"/proc/self/fd")},createStandardStreams(){if(Module["stdin"]){FS.createDevice("/dev","stdin",Module["stdin"])}else{FS.symlink("/dev/tty","/dev/stdin")}if(Module["stdout"]){FS.createDevice("/dev","stdout",null,Module["stdout"])}else{FS.symlink("/dev/tty","/dev/stdout")}if(Module["stderr"]){FS.createDevice("/dev","stderr",null,Module["stderr"])}else{FS.symlink("/dev/tty1","/dev/stderr")}var stdin=FS.open("/dev/stdin",0);var stdout=FS.open("/dev/stdout",1);var stderr=FS.open("/dev/stderr",1)},staticInit(){[44].forEach(code=>{FS.genericErrors[code]=new FS.ErrnoError(code);FS.genericErrors[code].stack=""});FS.nameTable=new Array(4096);FS.mount(MEMFS,{},"/");FS.createDefaultDirectories();FS.createDefaultDevices();FS.createSpecialDirectories();FS.filesystems={"MEMFS":MEMFS}},init(input,output,error){FS.init.initialized=true;Module["stdin"]=input||Module["stdin"];Module["stdout"]=output||Module["stdout"];Module["stderr"]=error||Module["stderr"];FS.createStandardStreams()},quit(){FS.init.initialized=false;for(var i=0;ithis.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(){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;if(!hasByteServing)chunkSize=datalength;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!");var xhr=new XMLHttpRequest;xhr.open("GET",url,false);if(datalength!==chunkSize)xhr.setRequestHeader("Range","bytes="+from+"-"+to);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(xhr.response||[])}return intArrayFromString(xhr.responseText||"",true)};var lazyArray=this;lazyArray.setDataGetter(chunkNum=>{var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);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){chunkSize=datalength=1;datalength=this.getter(0).length;chunkSize=datalength;out("LazyFiles on gzip forces download of the whole file when length is accessed")}this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true}get length(){if(!this.lengthKnown){this.cacheLength()}return this._length}get chunkSize(){if(!this.lengthKnown){this.cacheLength()}return this._chunkSize}}if(typeof XMLHttpRequest!="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";var lazyArray=new LazyUint8Array;var properties={isDevice:false,contents:lazyArray}}else{var properties={isDevice:false,url:url}}var node=FS.createFile(parent,name,properties,canRead,canWrite);if(properties.contents){node.contents=properties.contents}else if(properties.url){node.contents=null;node.url=properties.url}Object.defineProperties(node,{usedBytes:{get:function(){return this.contents.length}}});var stream_ops={};var keys=Object.keys(node.stream_ops);keys.forEach(key=>{var fn=node.stream_ops[key];stream_ops[key]=(...args)=>{FS.forceLoadFile(node);return fn(...args)}});function writeChunks(stream,buffer,offset,length,position){var contents=stream.node.contents;if(position>=contents.length)return 0;var size=Math.min(contents.length-position,length);if(contents.slice){for(var i=0;i{FS.forceLoadFile(node);return writeChunks(stream,buffer,offset,length,position)};stream_ops.mmap=(stream,length,position,prot,flags)=>{FS.forceLoadFile(node);var ptr=mmapAlloc(length);if(!ptr){throw new FS.ErrnoError(48)}writeChunks(stream,HEAP8,ptr,length,position);return{ptr:ptr,allocated:true}};node.stream_ops=stream_ops;return node}};var UTF8ToString=(ptr,maxBytesToRead)=>ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):"";var SYSCALLS={DEFAULT_POLLMASK:5,calculateAt(dirfd,path,allowEmpty){if(PATH.isAbs(path)){return path}var dir;if(dirfd===-100){dir=FS.cwd()}else{var dirstream=SYSCALLS.getStreamFromFD(dirfd);dir=dirstream.path}if(path.length==0){if(!allowEmpty){throw new FS.ErrnoError(44)}return dir}return PATH.join2(dir,path)},doStat(func,path,buf){var stat=func(path);HEAP32[buf>>2]=stat.dev;HEAP32[buf+4>>2]=stat.mode;HEAPU32[buf+8>>2]=stat.nlink;HEAP32[buf+12>>2]=stat.uid;HEAP32[buf+16>>2]=stat.gid;HEAP32[buf+20>>2]=stat.rdev;tempI64=[stat.size>>>0,(tempDouble=stat.size,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>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/1e3)>>>0,(tempDouble=Math.floor(atime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+40>>2]=tempI64[0],HEAP32[buf+44>>2]=tempI64[1];HEAPU32[buf+48>>2]=atime%1e3*1e3;tempI64=[Math.floor(mtime/1e3)>>>0,(tempDouble=Math.floor(mtime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+56>>2]=tempI64[0],HEAP32[buf+60>>2]=tempI64[1];HEAPU32[buf+64>>2]=mtime%1e3*1e3;tempI64=[Math.floor(ctime/1e3)>>>0,(tempDouble=Math.floor(ctime/1e3),+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+72>>2]=tempI64[0],HEAP32[buf+76>>2]=tempI64[1];HEAPU32[buf+80>>2]=ctime%1e3*1e3;tempI64=[stat.ino>>>0,(tempDouble=stat.ino,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[buf+88>>2]=tempI64[0],HEAP32[buf+92>>2]=tempI64[1];return 0},doMsync(addr,stream,len,flags,offset){if(!FS.isFile(stream.node.mode)){throw new FS.ErrnoError(43)}if(flags&2){return 0}var buffer=HEAPU8.slice(addr,addr+len);FS.msync(stream,buffer,offset,len,flags)},varargs:undefined,get(){var ret=HEAP32[+SYSCALLS.varargs>>2];SYSCALLS.varargs+=4;return ret},getp(){return SYSCALLS.get()},getStr(ptr){var ret=UTF8ToString(ptr);return ret},getStreamFromFD(fd){var stream=FS.getStreamChecked(fd);return stream}};function ___syscall_faccessat(dirfd,path,amode,flags){try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);if(amode&~7){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&&FS.nodePermissions(node,perms)){return-2}return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_fcntl64(fd,cmd,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(cmd){case 0:{var arg=SYSCALLS.get();if(arg<0){return-28}while(FS.streams[arg]){arg++}var newStream;newStream=FS.dupStream(stream,arg);return newStream.fd}case 1:case 2:return 0;case 3:return stream.flags;case 4:{var arg=SYSCALLS.get();stream.flags|=arg;return 0}case 12:{var arg=SYSCALLS.getp();var offset=0;HEAP16[arg+offset>>1]=2;return 0}case 13:case 14:return 0}return-28}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_ioctl(fd,op,varargs){SYSCALLS.varargs=varargs;try{var stream=SYSCALLS.getStreamFromFD(fd);switch(op){case 21509:{if(!stream.tty)return-59;return 0}case 21505:{if(!stream.tty)return-59;if(stream.tty.ops.ioctl_tcgets){var termios=stream.tty.ops.ioctl_tcgets(stream);var argp=SYSCALLS.getp();HEAP32[argp>>2]=termios.c_iflag||0;HEAP32[argp+4>>2]=termios.c_oflag||0;HEAP32[argp+8>>2]=termios.c_cflag||0;HEAP32[argp+12>>2]=termios.c_lflag||0;for(var i=0;i<32;i++){HEAP8[argp+i+17]=termios.c_cc[i]||0}return 0}return 0}case 21510:case 21511:case 21512:{if(!stream.tty)return-59;return 0}case 21506:case 21507:case 21508:{if(!stream.tty)return-59;if(stream.tty.ops.ioctl_tcsets){var argp=SYSCALLS.getp();var c_iflag=HEAP32[argp>>2];var c_oflag=HEAP32[argp+4>>2];var c_cflag=HEAP32[argp+8>>2];var c_lflag=HEAP32[argp+12>>2];var c_cc=[];for(var i=0;i<32;i++){c_cc.push(HEAP8[argp+i+17])}return stream.tty.ops.ioctl_tcsets(stream.tty,op,{c_iflag:c_iflag,c_oflag:c_oflag,c_cflag:c_cflag,c_lflag:c_lflag,c_cc:c_cc})}return 0}case 21519:{if(!stream.tty)return-59;var argp=SYSCALLS.getp();HEAP32[argp>>2]=0;return 0}case 21520:{if(!stream.tty)return-59;return-28}case 21531:{var argp=SYSCALLS.getp();return FS.ioctl(stream,op,argp)}case 21523:{if(!stream.tty)return-59;if(stream.tty.ops.ioctl_tiocgwinsz){var winsize=stream.tty.ops.ioctl_tiocgwinsz(stream.tty);var argp=SYSCALLS.getp();HEAP16[argp>>1]=winsize[0];HEAP16[argp+2>>1]=winsize[1]}return 0}case 21524:{if(!stream.tty)return-59;return 0}case 21515:{if(!stream.tty)return-59;return 0}default:return-28}}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}function ___syscall_openat(dirfd,path,flags,varargs){SYSCALLS.varargs=varargs;try{path=SYSCALLS.getStr(path);path=SYSCALLS.calculateAt(dirfd,path);var mode=varargs?SYSCALLS.get():0;return FS.open(path,flags,mode).fd}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return-e.errno}}var _emscripten_memcpy_js=(dest,src,num)=>HEAPU8.copyWithin(dest,src,src+num);var getHeapMax=()=>2147483648;var growMemory=size=>{var b=wasmMemory.buffer;var pages=(size-b.byteLength+65535)/65536;try{wasmMemory.grow(pages);updateMemoryViews();return 1}catch(e){}};var _emscripten_resize_heap=requestedSize=>{var oldSize=HEAPU8.length;requestedSize>>>=0;var maxHeapSize=getHeapMax();if(requestedSize>maxHeapSize){return false}var alignUp=(x,multiple)=>x+(multiple-x%multiple)%multiple;for(var cutDown=1;cutDown<=4;cutDown*=2){var overGrownHeapSize=oldSize*(1+.2/cutDown);overGrownHeapSize=Math.min(overGrownHeapSize,requestedSize+100663296);var newSize=Math.min(maxHeapSize,alignUp(Math.max(requestedSize,overGrownHeapSize),65536));var replacement=growMemory(newSize);if(replacement){return true}}return false};var ENV={};var getExecutableName=()=>thisProgram||"./this.program";var getEnvStrings=()=>{if(!getEnvStrings.strings){var lang=(typeof navigator=="object"&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8";var env={"USER":"web_user","LOGNAME":"web_user","PATH":"/","PWD":"/","HOME":"/home/web_user","LANG":lang,"_":getExecutableName()};for(var x in ENV){if(ENV[x]===undefined)delete env[x];else env[x]=ENV[x]}var strings=[];for(var x in env){strings.push(`${x}=${env[x]}`)}getEnvStrings.strings=strings}return getEnvStrings.strings};var stringToAscii=(str,buffer)=>{for(var i=0;i{var bufSize=0;getEnvStrings().forEach((string,i)=>{var ptr=environ_buf+bufSize;HEAPU32[__environ+i*4>>2]=ptr;stringToAscii(string,ptr);bufSize+=string.length+1});return 0};var _environ_sizes_get=(penviron_count,penviron_buf_size)=>{var strings=getEnvStrings();HEAPU32[penviron_count>>2]=strings.length;var bufSize=0;strings.forEach(string=>bufSize+=string.length+1);HEAPU32[penviron_buf_size>>2]=bufSize;return 0};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))};var exitJS=(status,implicit)=>{EXITSTATUS=status;_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.name==="ErrnoError"))throw e;return e.errno}}var doReadv=(stream,iov,iovcnt,offset)=>{var ret=0;for(var i=0;i>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>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}var convertI32PairToI53Checked=(lo,hi)=>hi+2097152>>>0<4194305-!!lo?(lo>>>0)+hi*4294967296:NaN;function _fd_seek(fd,offset_low,offset_high,whence,newOffset){var offset=convertI32PairToI53Checked(offset_low,offset_high);try{if(isNaN(offset))return 61;var stream=SYSCALLS.getStreamFromFD(fd);FS.llseek(stream,offset,whence);tempI64=[stream.position>>>0,(tempDouble=stream.position,+Math.abs(tempDouble)>=1?tempDouble>0?+Math.floor(tempDouble/4294967296)>>>0:~~+Math.ceil((tempDouble-+(~~tempDouble>>>0))/4294967296)>>>0:0)],HEAP32[newOffset>>2]=tempI64[0],HEAP32[newOffset+4>>2]=tempI64[1];if(stream.getdents&&offset===0&&whence===0)stream.getdents=null;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}var doWritev=(stream,iov,iovcnt,offset)=>{var ret=0;for(var i=0;i>2];var len=HEAPU32[iov+4>>2];iov+=8;var curr=FS.write(stream,HEAP8,ptr,len,offset);if(curr<0)return-1;ret+=curr;if(typeof offset!=="undefined"){offset+=curr}}return ret};function _fd_write(fd,iov,iovcnt,pnum){try{var stream=SYSCALLS.getStreamFromFD(fd);var num=doWritev(stream,iov,iovcnt);HEAPU32[pnum>>2]=num;return 0}catch(e){if(typeof FS=="undefined"||!(e.name==="ErrnoError"))throw e;return e.errno}}var getCFunc=ident=>{var func=Module["_"+ident];return func};var writeArrayToMemory=(array,buffer)=>{HEAP8.set(array,buffer)};var stringToUTF8=(str,outPtr,maxBytesToWrite)=>stringToUTF8Array(str,HEAPU8,outPtr,maxBytesToWrite);var stringToUTF8OnStack=str=>{var size=lengthBytesUTF8(str)+1;var ret=stackAlloc(size);stringToUTF8(str,ret,size);return ret};var ccall=(ident,returnType,argTypes,args,opts)=>{var toC={"string":str=>{var ret=0;if(str!==null&&str!==undefined&&str!==0){ret=stringToUTF8OnStack(str)}return ret},"array":arr=>{var ret=stackAlloc(arr.length);writeArrayToMemory(arr,ret);return ret}};function convertReturnValue(ret){if(returnType==="string"){return UTF8ToString(ret)}if(returnType==="boolean")return Boolean(ret);return ret}var func=getCFunc(ident);var cArgs=[];var stack=0;if(args){for(var i=0;i{var numericArgs=!argTypes||argTypes.every(type=>type==="number"||type==="boolean");var numericRet=returnType!=="string";if(numericRet&&numericArgs&&!opts){return getCFunc(ident)}return(...args)=>ccall(ident,returnType,argTypes,args,opts)};FS.createPreloadedFile=FS_createPreloadedFile;FS.staticInit();var wasmImports={m:___syscall_faccessat,d:___syscall_fcntl64,g:___syscall_ioctl,h:___syscall_openat,i:_emscripten_memcpy_js,k:_emscripten_resize_heap,l:_environ_get,e:_environ_sizes_get,a:_exit,b:_fd_close,f:_fd_read,j:_fd_seek,c:_fd_write};var wasmExports=createWasm();var ___wasm_call_ctors=()=>(___wasm_call_ctors=wasmExports["o"])();var _malloc=Module["_malloc"]=a0=>(_malloc=Module["_malloc"]=wasmExports["p"])(a0);var _free=Module["_free"]=a0=>(_free=Module["_free"]=wasmExports["q"])(a0);var _solstice_run=Module["_solstice_run"]=a0=>(_solstice_run=Module["_solstice_run"]=wasmExports["s"])(a0);var stackSave=()=>(stackSave=wasmExports["t"])();var stackRestore=a0=>(stackRestore=wasmExports["u"])(a0);var stackAlloc=a0=>(stackAlloc=wasmExports["v"])(a0);Module["ccall"]=ccall;Module["cwrap"]=cwrap;var calledRun;dependenciesFulfilled=function runCaller(){if(!calledRun)run();if(!calledRun)dependenciesFulfilled=runCaller};function run(){if(runDependencies>0){return}preRun();if(runDependencies>0){return}function doRun(){if(calledRun)return;calledRun=true;Module["calledRun"]=true;if(ABORT)return;initRuntime();if(Module["onRuntimeInitialized"])Module["onRuntimeInitialized"]();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(function(){setTimeout(function(){Module["setStatus"]("")},1);doRun()},1)}else{doRun()}}if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}run(); diff --git a/playground/playground.wasm b/playground/playground.wasm index 92df2b9..d6c2c17 100755 Binary files a/playground/playground.wasm and b/playground/playground.wasm differ