@picoruby/wasm-wasi
Version:
PicoRuby WebAssembly WASI
6,007 lines • 270 kB
JavaScript
var Module = (() => {
var _scriptDir = import.meta.url;
return (
function(Module) {
Module = Module || {};
// The Module object: Our interface to the outside world. We import
// and export values on it. There are various ways Module can be used:
// 1. Not defined. We create it here
// 2. A function parameter, function(Module) { ..generated code.. }
// 3. pre-run appended it, var Module = {}; ..generated code..
// 4. External script tag defines var Module.
// We need to check if Module already exists (e.g. case 3 above).
// Substitution will be replaced with actual code on later stage of the build,
// this way Closure Compiler will not mangle it (e.g. case 4. above).
// Note that if you want to run closure, and also to use Module
// after the generated code, you will need to define var Module = {};
// before the code. Then that object will be used in the code, and you
// can continue to use Module afterwards as well.
var Module = typeof Module != 'undefined' ? Module : {};
// See https://caniuse.com/mdn-javascript_builtins_object_assign
// Set up the promise that indicates the Module is initialized
var readyPromiseResolve, readyPromiseReject;
Module['ready'] = new Promise(function(resolve, reject) {
readyPromiseResolve = resolve;
readyPromiseReject = reject;
});
if (!Object.getOwnPropertyDescriptor(Module['ready'], '_picorb_init')) {
Object.defineProperty(Module['ready'], '_picorb_init', { configurable: true, get: function() { abort('You are getting _picorb_init 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') } });
Object.defineProperty(Module['ready'], '_picorb_init', { configurable: true, set: function() { abort('You are setting _picorb_init 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') } });
}
if (!Object.getOwnPropertyDescriptor(Module['ready'], '_picorb_create_task')) {
Object.defineProperty(Module['ready'], '_picorb_create_task', { configurable: true, get: function() { abort('You are getting _picorb_create_task 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') } });
Object.defineProperty(Module['ready'], '_picorb_create_task', { configurable: true, set: function() { abort('You are setting _picorb_create_task 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') } });
}
if (!Object.getOwnPropertyDescriptor(Module['ready'], '_mrbc_tick')) {
Object.defineProperty(Module['ready'], '_mrbc_tick', { configurable: true, get: function() { abort('You are getting _mrbc_tick 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') } });
Object.defineProperty(Module['ready'], '_mrbc_tick', { configurable: true, set: function() { abort('You are setting _mrbc_tick 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') } });
}
if (!Object.getOwnPropertyDescriptor(Module['ready'], '_mrbc_run_step')) {
Object.defineProperty(Module['ready'], '_mrbc_run_step', { configurable: true, get: function() { abort('You are getting _mrbc_run_step 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') } });
Object.defineProperty(Module['ready'], '_mrbc_run_step', { configurable: true, set: function() { abort('You are setting _mrbc_run_step 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') } });
}
if (!Object.getOwnPropertyDescriptor(Module['ready'], '_call_ruby_callback')) {
Object.defineProperty(Module['ready'], '_call_ruby_callback', { configurable: true, get: function() { abort('You are getting _call_ruby_callback 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') } });
Object.defineProperty(Module['ready'], '_call_ruby_callback', { configurable: true, set: function() { abort('You are setting _call_ruby_callback 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') } });
}
if (!Object.getOwnPropertyDescriptor(Module['ready'], '_resume_promise_task')) {
Object.defineProperty(Module['ready'], '_resume_promise_task', { configurable: true, get: function() { abort('You are getting _resume_promise_task 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') } });
Object.defineProperty(Module['ready'], '_resume_promise_task', { configurable: true, set: function() { abort('You are setting _resume_promise_task 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') } });
}
if (!Object.getOwnPropertyDescriptor(Module['ready'], '_resume_binary_task')) {
Object.defineProperty(Module['ready'], '_resume_binary_task', { configurable: true, get: function() { abort('You are getting _resume_binary_task 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') } });
Object.defineProperty(Module['ready'], '_resume_binary_task', { configurable: true, set: function() { abort('You are setting _resume_binary_task 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') } });
}
if (!Object.getOwnPropertyDescriptor(Module['ready'], '___stdio_exit')) {
Object.defineProperty(Module['ready'], '___stdio_exit', { configurable: true, get: function() { abort('You are getting ___stdio_exit 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') } });
Object.defineProperty(Module['ready'], '___stdio_exit', { configurable: true, set: function() { abort('You are setting ___stdio_exit 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') } });
}
if (!Object.getOwnPropertyDescriptor(Module['ready'], 'onRuntimeInitialized')) {
Object.defineProperty(Module['ready'], 'onRuntimeInitialized', { configurable: true, get: function() { abort('You are getting onRuntimeInitialized 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') } });
Object.defineProperty(Module['ready'], 'onRuntimeInitialized', { configurable: true, set: function() { abort('You are setting onRuntimeInitialized 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)
// {{PRE_JSES}}
// 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).
var ENVIRONMENT_IS_WEB = true;
var ENVIRONMENT_IS_WORKER = false;
var ENVIRONMENT_IS_NODE = false;
var ENVIRONMENT_IS_SHELL = false;
if (Module['ENVIRONMENT']) {
throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -s ENVIRONMENT=web or -s ENVIRONMENT=node)');
}
// `/` should be present at the end if `scriptDirectory` is not empty
var scriptDirectory = '';
function locateFile(path) {
if (Module['locateFile']) {
return Module['locateFile'](path, scriptDirectory);
}
return scriptDirectory + path;
}
// Hooks that are implemented differently in different runtime environments.
var read_,
readAsync,
readBinary,
setWindowTitle;
// Normally we don't log exceptions but instead let them bubble out the top
// level where the embedding environment (e.g. the browser) can handle
// them.
// However under v8 and node we sometimes exit the process direcly in which case
// its up to use us to log the exception before exiting.
// If we fix https://github.com/emscripten-core/emscripten/issues/15080
// this may no longer be needed under node.
function logExceptionOnExit(e) {
if (e instanceof ExitStatus) return;
let toLog = e;
if (e && typeof e == 'object' && e.stack) {
toLog = [e, e.stack];
}
err('exiting due to exception: ' + toLog);
}
if (ENVIRONMENT_IS_SHELL) {
if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
if (typeof read != 'undefined') {
read_ = function shell_read(f) {
return read(f);
};
}
readBinary = function readBinary(f) {
let data;
if (typeof readbuffer == 'function') {
return new Uint8Array(readbuffer(f));
}
data = read(f, 'binary');
assert(typeof data == 'object');
return data;
};
readAsync = function readAsync(f, onload, onerror) {
setTimeout(() => onload(readBinary(f)), 0);
};
if (typeof scriptArgs != 'undefined') {
arguments_ = scriptArgs;
} else if (typeof arguments != 'undefined') {
arguments_ = arguments;
}
if (typeof quit == 'function') {
quit_ = (status, toThrow) => {
logExceptionOnExit(toThrow);
quit(status);
};
}
if (typeof print != 'undefined') {
// Prefer to use print/printErr where they exist, as they usually work better.
if (typeof console == 'undefined') console = /** @type{!Console} */({});
console.log = /** @type{!function(this:Console, ...*): undefined} */ (print);
console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print);
}
} else
// Note that this includes Node.js workers when relevant (pthreads is enabled).
// 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.indexOf('blob:') !== 0) {
scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1);
} else {
scriptDirectory = '';
}
if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
// Differentiate the Web Worker from the Node Worker case, as reading must
// be done differently.
{
// include: web_or_worker_shell_read.js
read_ = (url) => {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.send(null);
return xhr.responseText;
}
if (ENVIRONMENT_IS_WORKER) {
readBinary = (url) => {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.responseType = 'arraybuffer';
xhr.send(null);
return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response));
};
}
readAsync = (url, onload, onerror) => {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'arraybuffer';
xhr.onload = () => {
if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
onload(xhr.response);
return;
}
onerror();
};
xhr.onerror = onerror;
xhr.send(null);
}
// end include: web_or_worker_shell_read.js
}
setWindowTitle = (title) => document.title = title;
} else
{
throw new Error('environment detection error');
}
var out = Module['print'] || console.log.bind(console);
var err = Module['printErr'] || console.warn.bind(console);
// Merge back in the overrides
Object.assign(Module, moduleOverrides);
// Free the object hierarchy contained in the overrides, this lets the GC
// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array.
moduleOverrides = null;
// Emit code to handle expected values on the Module object. This applies Module.x
// to the proper local x. This has two benefits: first, we only emit it if it is
// expected to arrive, and second, by using a local everywhere else that can be
// minified.
if (Module['arguments']) arguments_ = Module['arguments'];
if (!Object.getOwnPropertyDescriptor(Module, 'arguments')) {
Object.defineProperty(Module, 'arguments', {
configurable: true,
get: function() {
abort('Module.arguments has been replaced with plain arguments_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (Module['thisProgram']) thisProgram = Module['thisProgram'];
if (!Object.getOwnPropertyDescriptor(Module, 'thisProgram')) {
Object.defineProperty(Module, 'thisProgram', {
configurable: true,
get: function() {
abort('Module.thisProgram has been replaced with plain thisProgram (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (Module['quit']) quit_ = Module['quit'];
if (!Object.getOwnPropertyDescriptor(Module, 'quit')) {
Object.defineProperty(Module, 'quit', {
configurable: true,
get: function() {
abort('Module.quit has been replaced with plain quit_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
// Assertions on removed incoming Module JS APIs.
assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead');
assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead');
assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead');
assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead');
assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)');
assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)');
assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)');
assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)');
assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY');
if (!Object.getOwnPropertyDescriptor(Module, 'read')) {
Object.defineProperty(Module, 'read', {
configurable: true,
get: function() {
abort('Module.read has been replaced with plain read_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (!Object.getOwnPropertyDescriptor(Module, 'readAsync')) {
Object.defineProperty(Module, 'readAsync', {
configurable: true,
get: function() {
abort('Module.readAsync has been replaced with plain readAsync (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (!Object.getOwnPropertyDescriptor(Module, 'readBinary')) {
Object.defineProperty(Module, 'readBinary', {
configurable: true,
get: function() {
abort('Module.readBinary has been replaced with plain readBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (!Object.getOwnPropertyDescriptor(Module, 'setWindowTitle')) {
Object.defineProperty(Module, 'setWindowTitle', {
configurable: true,
get: function() {
abort('Module.setWindowTitle has been replaced with plain setWindowTitle (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js';
var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js';
var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js';
var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js';
assert(!ENVIRONMENT_IS_WORKER, "worker environment detected but not enabled at build time. Add 'worker' to `-s ENVIRONMENT` to enable.");
assert(!ENVIRONMENT_IS_NODE, "node environment detected but not enabled at build time. Add 'node' to `-s ENVIRONMENT` to enable.");
assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-s ENVIRONMENT` to enable.");
var STACK_ALIGN = 16;
var POINTER_SIZE = 4;
function getNativeTypeSize(type) {
switch (type) {
case 'i1': case 'i8': return 1;
case 'i16': return 2;
case 'i32': return 4;
case 'i64': return 8;
case 'float': return 4;
case 'double': return 8;
default: {
if (type[type.length - 1] === '*') {
return POINTER_SIZE;
} else if (type[0] === 'i') {
const bits = Number(type.substr(1));
assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type);
return bits / 8;
} else {
return 0;
}
}
}
}
function warnOnce(text) {
if (!warnOnce.shown) warnOnce.shown = {};
if (!warnOnce.shown[text]) {
warnOnce.shown[text] = 1;
err(text);
}
}
// include: runtime_functions.js
// Wraps a JS function as a wasm function with a given signature.
function convertJsFunctionToWasm(func, sig) {
// If the type reflection proposal is available, use the new
// "WebAssembly.Function" constructor.
// Otherwise, construct a minimal wasm module importing the JS function and
// re-exporting it.
if (typeof WebAssembly.Function == "function") {
var typeNames = {
'i': 'i32',
'j': 'i64',
'f': 'f32',
'd': 'f64'
};
var type = {
parameters: [],
results: sig[0] == 'v' ? [] : [typeNames[sig[0]]]
};
for (var i = 1; i < sig.length; ++i) {
type.parameters.push(typeNames[sig[i]]);
}
return new WebAssembly.Function(type, func);
}
// The module is static, with the exception of the type section, which is
// generated based on the signature passed in.
var typeSection = [
0x01, // id: section,
0x00, // length: 0 (placeholder)
0x01, // count: 1
0x60, // form: func
];
var sigRet = sig.slice(0, 1);
var sigParam = sig.slice(1);
var typeCodes = {
'i': 0x7f, // i32
'j': 0x7e, // i64
'f': 0x7d, // f32
'd': 0x7c, // f64
};
// Parameters, length + signatures
typeSection.push(sigParam.length);
for (var i = 0; i < sigParam.length; ++i) {
typeSection.push(typeCodes[sigParam[i]]);
}
// Return values, length + signatures
// With no multi-return in MVP, either 0 (void) or 1 (anything else)
if (sigRet == 'v') {
typeSection.push(0x00);
} else {
typeSection = typeSection.concat([0x01, typeCodes[sigRet]]);
}
// Write the overall length of the type section back into the section header
// (excepting the 2 bytes for the section id and length)
typeSection[1] = typeSection.length - 2;
// Rest of the module is static
var bytes = new Uint8Array([
0x00, 0x61, 0x73, 0x6d, // magic ("\0asm")
0x01, 0x00, 0x00, 0x00, // version: 1
].concat(typeSection, [
0x02, 0x07, // import section
// (import "e" "f" (func 0 (type 0)))
0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00,
0x07, 0x05, // export section
// (export "f" (func 0 (type 0)))
0x01, 0x01, 0x66, 0x00, 0x00,
]));
// We can compile this wasm module synchronously because it is very small.
// This accepts an import (at "e.f"), that it reroutes to an export (at "f")
var module = new WebAssembly.Module(bytes);
var instance = new WebAssembly.Instance(module, {
'e': {
'f': func
}
});
var wrappedFunc = instance.exports['f'];
return wrappedFunc;
}
var freeTableIndexes = [];
// Weak map of functions in the table to their indexes, created on first use.
var functionsInTableMap;
function getEmptyTableSlot() {
// Reuse a free index if there is one, otherwise grow.
if (freeTableIndexes.length) {
return freeTableIndexes.pop();
}
// Grow the table
try {
wasmTable.grow(1);
} catch (err) {
if (!(err instanceof RangeError)) {
throw err;
}
throw 'Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.';
}
return wasmTable.length - 1;
}
function updateTableMap(offset, count) {
for (var i = offset; i < offset + count; i++) {
var item = getWasmTableEntry(i);
// Ignore null values.
if (item) {
functionsInTableMap.set(item, i);
}
}
}
/**
* Add a function to the table.
* 'sig' parameter is required if the function being added is a JS function.
* @param {string=} sig
*/
function addFunction(func, sig) {
assert(typeof func != 'undefined');
// Check if the function is already in the table, to ensure each function
// gets a unique index. First, create the map if this is the first use.
if (!functionsInTableMap) {
functionsInTableMap = new WeakMap();
updateTableMap(0, wasmTable.length);
}
if (functionsInTableMap.has(func)) {
return functionsInTableMap.get(func);
}
// It's not in the table, add it now.
var ret = getEmptyTableSlot();
// Set the new value.
try {
// Attempting to call this with JS function will cause of table.set() to fail
setWasmTableEntry(ret, func);
} catch (err) {
if (!(err instanceof TypeError)) {
throw err;
}
assert(typeof sig != 'undefined', 'Missing signature argument to addFunction: ' + func);
var wrapped = convertJsFunctionToWasm(func, sig);
setWasmTableEntry(ret, wrapped);
}
functionsInTableMap.set(func, ret);
return ret;
}
function removeFunction(index) {
functionsInTableMap.delete(getWasmTableEntry(index));
freeTableIndexes.push(index);
}
// end include: runtime_functions.js
// include: runtime_debug.js
// end include: runtime_debug.js
var tempRet0 = 0;
var setTempRet0 = (value) => { tempRet0 = value; };
var getTempRet0 = () => tempRet0;
// === 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'];
if (!Object.getOwnPropertyDescriptor(Module, 'wasmBinary')) {
Object.defineProperty(Module, 'wasmBinary', {
configurable: true,
get: function() {
abort('Module.wasmBinary has been replaced with plain wasmBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
var noExitRuntime = Module['noExitRuntime'] || true;
if (!Object.getOwnPropertyDescriptor(Module, 'noExitRuntime')) {
Object.defineProperty(Module, 'noExitRuntime', {
configurable: true,
get: function() {
abort('Module.noExitRuntime has been replaced with plain noExitRuntime (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (typeof WebAssembly != 'object') {
abort('no native wasm support detected');
}
// include: runtime_safe_heap.js
// In MINIMAL_RUNTIME, setValue() and getValue() are only available when building with safe heap enabled, for heap safety checking.
// In traditional runtime, setValue() and getValue() are always available (although their use is highly discouraged due to perf penalties)
/** @param {number} ptr
@param {number} value
@param {string} type
@param {number|boolean=} noSafe */
function setValue(ptr, value, type = 'i8', noSafe) {
if (type.charAt(type.length-1) === '*') type = 'i32';
switch (type) {
case 'i1': HEAP8[((ptr)>>0)] = value; break;
case 'i8': HEAP8[((ptr)>>0)] = value; break;
case 'i16': HEAP16[((ptr)>>1)] = value; break;
case 'i32': HEAP32[((ptr)>>2)] = value; break;
case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)] = tempI64[0],HEAP32[(((ptr)+(4))>>2)] = tempI64[1]); break;
case 'float': HEAPF32[((ptr)>>2)] = value; break;
case 'double': HEAPF64[((ptr)>>3)] = value; break;
default: abort('invalid type for setValue: ' + type);
}
}
/** @param {number} ptr
@param {string} type
@param {number|boolean=} noSafe */
function getValue(ptr, type = 'i8', noSafe) {
if (type.charAt(type.length-1) === '*') type = 'i32';
switch (type) {
case 'i1': return HEAP8[((ptr)>>0)];
case 'i8': return HEAP8[((ptr)>>0)];
case 'i16': return HEAP16[((ptr)>>1)];
case 'i32': return HEAP32[((ptr)>>2)];
case 'i64': return HEAP32[((ptr)>>2)];
case 'float': return HEAPF32[((ptr)>>2)];
case 'double': return Number(HEAPF64[((ptr)>>3)]);
default: abort('invalid type for getValue: ' + type);
}
return null;
}
// end include: runtime_safe_heap.js
// Wasm globals
var wasmMemory;
//========================================
// Runtime essentials
//========================================
// whether we are quitting the application. no code should run after this.
// set in exit() and abort()
var ABORT = false;
// set by exit() and abort(). Passed to 'onExit' handler.
// NOTE: This is also used as the process return code code in shell environments
// but only when noExitRuntime is false.
var EXITSTATUS;
/** @type {function(*, string=)} */
function assert(condition, text) {
if (!condition) {
abort('Assertion failed' + (text ? ': ' + text : ''));
}
}
// Returns the C function with a specified identifier (for C++, you need to do manual name mangling)
function getCFunc(ident) {
var func = Module['_' + ident]; // closure exported function
assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported');
return func;
}
// C calling interface.
/** @param {string|null=} returnType
@param {Array=} argTypes
@param {Arguments|Array=} args
@param {Object=} opts */
function ccall(ident, returnType, argTypes, args, opts) {
// For fast lookup of conversion functions
var toC = {
'string': function(str) {
var ret = 0;
if (str !== null && str !== undefined && str !== 0) { // null string
// at most 4 bytes per UTF-8 code point, +1 for the trailing '\0'
var len = (str.length << 2) + 1;
ret = stackAlloc(len);
stringToUTF8(str, ret, len);
}
return ret;
},
'array': function(arr) {
var ret = stackAlloc(arr.length);
writeArrayToMemory(arr, ret);
return ret;
}
};
function convertReturnValue(ret) {
if (returnType === 'string') return UTF8ToString(ret);
if (returnType === 'boolean') return Boolean(ret);
return ret;
}
var func = getCFunc(ident);
var cArgs = [];
var stack = 0;
assert(returnType !== 'array', 'Return type should not be "array".');
if (args) {
for (var i = 0; i < args.length; i++) {
var converter = toC[argTypes[i]];
if (converter) {
if (stack === 0) stack = stackSave();
cArgs[i] = converter(args[i]);
} else {
cArgs[i] = args[i];
}
}
}
var ret = func.apply(null, cArgs);
function onDone(ret) {
if (stack !== 0) stackRestore(stack);
return convertReturnValue(ret);
}
ret = onDone(ret);
return ret;
}
/** @param {string=} returnType
@param {Array=} argTypes
@param {Object=} opts */
function cwrap(ident, returnType, argTypes, opts) {
return function() {
return ccall(ident, returnType, argTypes, arguments, opts);
}
}
// We used to include malloc/free by default in the past. Show a helpful error in
// builds with assertions.
// include: runtime_legacy.js
var ALLOC_NORMAL = 0; // Tries to use _malloc()
var ALLOC_STACK = 1; // Lives for the duration of the current function call
/**
* allocate(): This function is no longer used by emscripten but is kept around to avoid
* breaking external users.
* You should normally not use allocate(), and instead allocate
* memory using _malloc()/stackAlloc(), initialize it with
* setValue(), and so forth.
* @param {(Uint8Array|Array<number>)} slab: An array of data.
* @param {number=} allocator : How to allocate memory, see ALLOC_*
*/
function allocate(slab, allocator) {
var ret;
assert(typeof allocator == 'number', 'allocate no longer takes a type argument')
assert(typeof slab != 'number', 'allocate no longer takes a number as arg0')
if (allocator == ALLOC_STACK) {
ret = stackAlloc(slab.length);
} else {
ret = _malloc(slab.length);
}
if (!slab.subarray && !slab.slice) {
slab = new Uint8Array(slab);
}
HEAPU8.set(slab, ret);
return ret;
}
// end include: runtime_legacy.js
// include: runtime_strings.js
// runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime.
// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns
// a copy of that string as a Javascript String object.
var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined;
/**
* @param {number} idx
* @param {number=} maxBytesToRead
* @return {string}
*/
function UTF8ArrayToString(heap, idx, maxBytesToRead) {
var endIdx = idx + maxBytesToRead;
var endPtr = idx;
// TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself.
// Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage.
// (As a tiny code save trick, compare endPtr against endIdx using a negation, so that undefined means Infinity)
while (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr;
if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) {
return UTF8Decoder.decode(heap.subarray(idx, endPtr));
} else {
var str = '';
// If building with TextDecoder, we have already computed the string length above, so test loop end condition against that
while (idx < endPtr) {
// For UTF8 byte structure, see:
// http://en.wikipedia.org/wiki/UTF-8#Description
// https://www.ietf.org/rfc/rfc2279.txt
// https://tools.ietf.org/html/rfc3629
var u0 = heap[idx++];
if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
var u1 = heap[idx++] & 63;
if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
var u2 = heap[idx++] & 63;
if ((u0 & 0xF0) == 0xE0) {
u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
} else {
if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte 0x' + u0.toString(16) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!');
u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heap[idx++] & 63);
}
if (u0 < 0x10000) {
str += String.fromCharCode(u0);
} else {
var ch = u0 - 0x10000;
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
}
}
}
return str;
}
// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns a
// copy of that string as a Javascript String object.
// maxBytesToRead: an optional length that specifies the maximum number of bytes to read. You can omit
// this parameter to scan the string until the first \0 byte. If maxBytesToRead is
// passed, and the string at [ptr, ptr+maxBytesToReadr[ contains a null byte in the
// middle, then the string will cut short at that byte index (i.e. maxBytesToRead will
// not produce a string of exact length [ptr, ptr+maxBytesToRead[)
// N.B. mixing frequent uses of UTF8ToString() with and without maxBytesToRead may
// throw JS JIT optimizations off, so it is worth to consider consistently using one
// style or the other.
/**
* @param {number} ptr
* @param {number=} maxBytesToRead
* @return {string}
*/
function UTF8ToString(ptr, maxBytesToRead) {
;
return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
}
// Copies the given Javascript String object 'str' to the given byte array at address 'outIdx',
// encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP.
// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
// Parameters:
// str: the Javascript string to copy.
// heap: the array to copy to. Each index in this array is assumed to be one 8-byte element.
// outIdx: The starting offset in the array to begin the copying.
// maxBytesToWrite: The maximum number of bytes this function can write to the array.
// This count should include the null terminator,
// i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else.
// maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator.
// Returns the number of bytes written, EXCLUDING the null terminator.
function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes.
return 0;
var startIdx = outIdx;
var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator.
for (var i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8.
// See http://unicode.org/faq/utf_bom.html#utf16-3
// For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629
var u = str.charCodeAt(i); // possibly a lead surrogate
if (u >= 0xD800 && u <= 0xDFFF) {
var u1 = str.charCodeAt(++i);
u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF);
}
if (u <= 0x7F) {
if (outIdx >= endIdx) break;
heap[outIdx++] = u;
} else if (u <= 0x7FF) {
if (outIdx + 1 >= endIdx) break;
heap[outIdx++] = 0xC0 | (u >> 6);
heap[outIdx++] = 0x80 | (u & 63);
} else if (u <= 0xFFFF) {
if (outIdx + 2 >= endIdx) break;
heap[outIdx++] = 0xE0 | (u >> 12);
heap[outIdx++] = 0x80 | ((u >> 6) & 63);
heap[outIdx++] = 0x80 | (u & 63);
} else {
if (outIdx + 3 >= endIdx) break;
if (u > 0x10FFFF) warnOnce('Invalid Unicode code point 0x' + u.toString(16) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).');
heap[outIdx++] = 0xF0 | (u >> 18);
heap[outIdx++] = 0x80 | ((u >> 12) & 63);
heap[outIdx++] = 0x80 | ((u >> 6) & 63);
heap[outIdx++] = 0x80 | (u & 63);
}
}
// Null-terminate the pointer to the buffer.
heap[outIdx] = 0;
return outIdx - startIdx;
}
// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP.
// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
// Returns the number of bytes written, EXCLUDING the null terminator.
function stringToUTF8(str, outPtr, maxBytesToWrite) {
assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite);
}
// Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte.
function lengthBytesUTF8(str) {
var len = 0;
for (var i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8.
// See http://unicode.org/faq/utf_bom.html#utf16-3
var u = str.charCodeAt(i); // possibly a lead surrogate
if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF);
if (u <= 0x7F) ++len;
else if (u <= 0x7FF) len += 2;
else if (u <= 0xFFFF) len += 3;
else len += 4;
}
return len;
}
// end include: runtime_strings.js
// include: runtime_strings_extra.js
// runtime_strings_extra.js: Strings related runtime functions that are available only in regular runtime.
// Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns
// a copy of that string as a Javascript String object.
function AsciiToString(ptr) {
var str = '';
while (1) {
var ch = HEAPU8[((ptr++)>>0)];
if (!ch) return str;
str += String.fromCharCode(ch);
}
}
// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP.
function stringToAscii(str, outPtr) {
return writeAsciiToMemory(str, outPtr, false);
}
// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns
// a copy of that string as a Javascript String object.
var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined;
function UTF16ToString(ptr, maxBytesToRead) {
assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!');
var endPtr = ptr;
// TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself.
// Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage.
var idx = endPtr >> 1;
var maxIdx = idx + maxBytesToRead / 2;
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
// will always evaluate to true. This saves on code size.
while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx;
endPtr = idx << 1;
if (endPtr - ptr > 32 && UTF16Decoder) {
return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
} else {
var str = '';
// If maxBytesToRead is not passed explicitly, it will be undefined, and the for-loop's condition
// will always evaluate to true. The loop is then terminated on the first null char.
for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
if (codeUnit == 0) break;
// fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through.
str += String.fromCharCode(codeUnit);
}
return str;
}
}
// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP.
// Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write.
// Parameters:
// str: the Javascript string to copy.
// outPtr: Byte address in Emscripten HEAP where to write the string to.
// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
// terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else.
// maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator.
// Returns the number of bytes written, EXCLUDING the null terminator.
function stringToUTF16(str, outPtr, maxBytesToWrite) {
assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!');
assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
if (maxBytesToWrite === undefined) {
maxBytesToWrite = 0x7FFFFFFF;
}
if (maxBytesToWrite < 2) return 0;
maxBytesToWrite -= 2; // Null terminator.
var startPtr = outPtr;
var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length;
for (var i = 0; i < numCharsToWrite; ++i) {
// charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
HEAP16[((outPtr)>>1)] = codeUnit;
outPtr += 2;
}
// Null-terminate the pointer to the HEAP.
HEAP16[((outPtr)>>1)] = 0;
return outPtr - startPtr;
}
// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
function lengthBytesUTF16(str) {
return str.length*2;
}
function UTF32ToString(ptr, maxBytesToRead) {
assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!');
var i = 0;
var str = '';
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
// will always evaluate to true. This saves on code size.
while (!(i >= maxBytesToRead / 4)) {
var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
if (utf32 == 0) break;
++i;
// Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
// See http://unicode.org/faq/utf_bom.html#utf16-3
if (utf32 >= 0x10000) {
var ch = utf32 - 0x10000;
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
} else {
str += String.fromCharCode(utf32);
}
}
return str;
}
// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP.
// Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write.
// Parameters:
// str: the Javascript string to copy.
// outPtr: Byte address in Emscripten HEAP where to write the string to.
// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
// terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else.
// maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator.
// Returns the number of bytes written, EXCLUDING the null terminator.
function stringToUTF32(str, outPtr, maxBytesToWrite) {
assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!');
assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
if (maxBytesToWrite === undefined) {
maxBytesToWrite = 0x7FFFFFFF;
}
if (maxBytesToWrite < 4) return 0;
var startPtr = outPtr;
var endPtr = startPtr + maxBytesToWrite - 4;
for (var i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
// See http://unicode.org/faq/utf_bom.html#utf16-3
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
var trailSurrogate = str.charCodeAt(++i);
codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
}
HEAP32[((outPtr)>>2)] = codeUnit;
outPtr += 4;
if (outPtr + 4 > endPtr) break;
}
// Null-terminate the pointer to the HEAP.
HEAP32[((outPtr)>>2)] = 0;
return outPtr - startPtr;
}
// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
function lengthBytesUTF32(str) {
var len = 0;
for (var i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
// See http://unicode.org/faq/utf_bom.html#utf16-3
var codeUnit = str.charCodeAt(i);
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate.
len += 4;
}
return len;
}
// Allocate heap space for a JS string, and write it there.
// It is the responsibility of the caller to free() that memory.
function allocateUTF8(str) {
var size = lengthBytesUTF8(str) + 1;
var ret = _malloc(size);
if (ret) stringToUTF8Array(str, HEAP8, ret, size);
return ret;
}
// Allocate stack space for a JS string, and write it there.
function allocateUTF8OnStack(str) {
var size = lengthBytesUTF8(str) + 1;
var ret = stackAlloc(size);
stringToUTF8Array(str, HEAP8, ret, size);
return ret;
}
// Deprecated: This function should not be called because it is unsafe and does not provide
// a maximum length limit of how many bytes it is allowed to write. Prefer calling the
// function stringToUTF8Array() instead, which takes in a maximum length that can be used
// to be secure from out of bounds writes.
/** @deprecated
@param {boolean=} dontAddNull */
function writeStringToMemory(string, buffer, dontAddNull) {
warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!');
var /** @type {number} */ lastChar, /** @type {number} */ end;
if (dontAddNull) {
// stringToUTF8Array always appends null. If we don't want to do that, remember the
// character that existed at the location where the null will be placed, and restore
// that after the write (below).
end = buffer + lengthBytesUTF8(string);
lastChar = HEAP8[end];
}
stringToUTF8(string, buffer, Infinity);
if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character.
}
function writeArrayToMemory(array, buffer) {
assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)')
HEAP8.set(array, buffer);
}
/** @param {boolean=} dontAddNull */
function writeAsciiToMemory(str, buffer, dontAddNull) {
for (var i = 0; i < str.length; ++i) {
assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff));
HEAP8[((buffer++)>>0)] = str.charCodeAt(i);
}
// Null-terminate the pointer to the HEAP.
if (!dontAddNull) HEAP8[((buffer)>>0)] = 0;
}
// end include: runtime_strings_extra.js
// Memory management
function alignUp(x, multiple) {
if (x % multiple > 0) {
x += multiple - (x % multiple);
}
return x;
}
var HEAP,
/** @type {ArrayBuffer} */
buffer,
/** @type {Int8Array} */
HEAP8,
/** @type {Uint8Array} */
HEAPU8,
/** @type {Int16Array} */
HEAP16,
/** @type {Uint16Array} */
HEAPU16,
/** @type {Int32Array} */
HEAP32,
/** @type {Uint32Array} */
HEAPU32,
/** @type {Float32Array} */
HEAPF32,
/** @type {Float64Array} */
HEAPF64;
function updateGlobalBufferAndViews(buf) {
buffer = buf;
Module['HEAP8'] = HEAP8 = new Int8Array(buf);
Module['HEAP16'] = HEAP16 = new Int16Array(buf);
Module['HEAP32'] = HEAP32 = new Int32Array(buf);
Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf);
Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf);
Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf);
Module['HEAPF32'] = HEAPF32 = new Float32Array(buf);
Module['HEAPF64'] = HEAPF64 = new Float64Array(buf);
}
var TOTAL_STACK = 5242880;
if (Module['TOTAL_STACK']) assert(TOTAL_STACK === Module['TOTAL_STACK'], 'the stack size can no longer be determined at runtime')
var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216;
if (!Object.getOwnPropertyDescriptor(Module, 'INITIAL_MEMORY')) {
Object.defineProperty(Module, 'INITIAL_MEMORY', {
configurable: true,
get: function() {
abort('Module.INITIAL_MEMORY has been replaced with plain INITIAL_MEMORY (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
assert(INITIAL_MEMORY >= TOTAL_STACK, 'INITIAL_MEMORY should be larger than TOTAL_STACK, was ' + INITIAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')');
// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined,
'JS engine does not provide full typed array support');
// If memory is defined in wasm, the user can't provide it.
assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -s IMPORTED_MEMORY to define wasmMemory externally');
assert(INITIAL_MEMORY == 16777216, 'Detected runtime INITIAL_MEMORY setting. Use -s IMPORTED_MEMORY to define wasmMemory dynamically');
// include: runtime_init_table.js
// In regular non-RELOCATABLE mode the table is exported
// from the wasm module and this will be assigned once
// the exports are available.
var wasmTable;
// end include: runtime_init_table.js
// include: runtime_stack_check.js
// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
function writeStackCookie() {
var max = _emscripten_stack_get_end();
assert((max & 3) == 0);
// The stack grows downwards
HEAP32[((max + 4)>>2)] = 0x2135467;
HEAP32[((max + 8)>>2)] = 0x89BACDFE;
// Also test the global address 0 for integrity.
HEAP32[0] = 0x63736d65; /* 'emsc' */
}
function checkStackCookie() {
if (ABORT) return;
var max = _emscripten_stack_get_end();
var cookie1 = HEAPU32[((max + 4)>>2)];
var cookie2 = HEAPU32[((max + 8)>>2)];
if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) {
abort('Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' 0x' + cookie1.toString(16));
}
// Also test the global address 0 for integrity.
if (HEAP32[0] !== 0x63736d65 /* 'emsc' */) abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
}
// end include: runtime_stack_check.js
// include: runtime_assertions.js
// Endianness check
(function() {
var h16 = new Int16Array(1);
var h8 = new Int8Array(h16.buffer);
h16[0] = 0x6373;
if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -s SUPPORT_BIG_ENDIAN=1 to bypass)';
})();
// end include: runtime_assertions.js
var __ATPRERUN__ = []; // functions called before the runtime is initialized
var __ATINIT__ = []; // functions called during startup
var __ATEXIT__ = []; // functions called during shutdown
var __ATPOSTRUN__ = []; // functions called after the main() is called
var runtimeInitialized = false;
var runtimeExited = false;
var runtimeKeepaliveCounter = 0;
function keepRuntimeAlive() {
return noExitRuntime || runtimeKeepaliveCounter > 0;
}
function preRun() {
if (Module['preRun']) {
if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
while (Module['preRun'].length) {
addOnPreRun(Module['preRun'].shift());
}
}
callRuntimeCallbacks(__ATPRERUN__);
}
function initRuntime() {
checkStackCookie();
assert(!runtimeInitialized);
runtimeInitialized = true;
if (!Module["noFSInit"] && !FS.init.initialized)
FS.init();
FS.ignorePermissions = false;
TTY.init();
PIPEFS.root = FS.mount(PIPEFS, {}, null);
callRuntimeCallbacks(__ATINIT__);
}
function exitRuntime() {
checkStackCookie();
runtimeExited = true;
}
function postRun() {
checkStackCookie();
if (Module['postRun']) {
if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
while (Module['postRun'].length) {
addOnPostRun(Module['postRun'].shift());
}
}
callRuntimeCallbacks(__ATPOSTRUN__);
}
function addOnPreRun(cb) {
__ATPRERUN__.unshift(cb);
}
function addOnInit(cb) {
__ATINIT__.unshift(cb);
}
function addOnExit(cb) {
}
function addOnPostRun(cb) {
__ATPOSTRUN__.unshift(cb);
}
// include: runtime_math.js
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc
assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
// end include: runtime_math.js
// A counter of dependencies for calling run(). If we need to
// do asynchronous work before running, increment this and
// decrement it. Incrementing must happen in a place like
// Module.preRun (used by emcc to add file preloading).
// Note that you can add dependencies in preRun, even though
// it happens right before run - run will be postponed until
// the dependencies are met.
var runDependencies = 0;
var runDependencyWatcher = null;
var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
var runDependencyTracking = {};
function getUniqueRunDependency(id) {
var orig = id;
while (1) {
if (!runDependencyTracking[id]) return id;
id = orig + Math.random();
}
}
function addRunDependency(id) {
runDependencies++;
if (Module['monitorRunDependencies']) {
Module['monitorRunDependencies'](runDependencies);
}
if (id) {
assert(!runDependencyTracking[id]);
runDependencyTracking[id] = 1;
if (runDependencyWatcher === null && typeof setInterval != 'undefined') {
// Check for missing dependencies every few seconds
runDependencyWatcher = setInterval(function() {
if (ABORT) {
clearInterval(runDependencyWatcher);
runDependencyWatcher = null;
return;
}
var shown = false;
for (var dep in runDependencyTracking) {
if (!shown) {
shown = true;
err('still waiting on run dependencies:');
}
err('dependency: ' + dep);
}
if (shown) {
err('(end of list)');
}
}, 10000);
}
} else {
err('warning: run dependency added without ID');
}
}
function removeRunDependency(id) {
runDependencies--;
if (Module['monitorRunDependencies']) {
Module['monitorRunDependencies'](runDependencies);
}
if (id) {
assert(runDependencyTracking[id]);
delete runDependencyTracking[id];
} else {
err('warning: run dependency removed without ID');
}
if (runDependencies == 0) {
if (runDependencyWatcher !== null) {
clearInterval(runDependencyWatcher);
runDependencyWatcher = null;
}
if (dependenciesFulfilled) {
var callback = dependenciesFulfilled;
dependenciesFulfilled = null;
callback(); // can add another dependenciesFulfilled
}
}
}
Module["preloadedImages"] = {}; // maps url to image data
Module["preloadedAudios"] = {}; // maps url to audio data
/** @param {string|number=} what */
function abort(what) {
{
if (Module['onAbort']) {
Module['onAbort'](what);
}
}
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.
// Suppress closure compiler warning here. Closure compiler's builtin extern
// defintion for WebAssembly.RuntimeError claims it takes no arguments even
// though it can.
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
/** @suppress {checkTypes} */
var e = new WebAssembly.RuntimeError(what);
readyPromiseReject(e);
// Throw the error whether or not MODULARIZE is set because abort is used
// in code paths apart from instantiation where an exception is expected
// to be thrown when abort is called.
throw e;
}
// {{MEM_INITIALIZER}}
// include: memoryprofiler.js
// end include: memoryprofiler.js
// include: URIUtils.js
// Prefix of data URIs emitted by SINGLE_FILE and related options.
var dataURIPrefix = 'data:application/octet-stream;base64,';
// Indicates whether filename is a base64 data URI.
function isDataURI(filename) {
// Prefix of data URIs emitted by SINGLE_FILE and related options.
return filename.startsWith(dataURIPrefix);
}
// Indicates whether filename is delivered via file protocol (as opposed to http/https)
function isFileURI(filename) {
return filename.startsWith('file://');
}
// end include: URIUtils.js
/** @param {boolean=} fixedasm */
function createExportWrapper(name, fixedasm) {
return function() {
var displayName = name;
var asm = fixedasm;
if (!fixedasm) {
asm = Module['asm'];
}
assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization');
assert(!runtimeExited, 'native function `' + displayName + '` called after runtime exit (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
if (!asm[name]) {
assert(asm[name], 'exported native function `' + displayName + '` not found');
}
return asm[name].apply(null, arguments);
};
}
var wasmBinaryFile;
if (Module['locateFile']) {
wasmBinaryFile = 'picoruby.wasm';
if (!isDataURI(wasmBinaryFile)) {
wasmBinaryFile = locateFile(wasmBinaryFile);
}
} else {
// Use bundler-friendly `new URL(..., import.meta.url)` pattern; works in browsers too.
wasmBinaryFile = new URL('picoruby.wasm', import.meta.url).toString();
}
function getBinary(file) {
try {
if (file == wasmBinaryFile && wasmBinary) {
return new Uint8Array(wasmBinary);
}
if (readBinary) {
return readBinary(file);
} else {
throw "both async and sync fetching of the wasm failed";
}
}
catch (err) {
abort(err);
}
}
function getBinaryPromise() {
// If we don't have the binary yet, try to to load it asynchronously.
// Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
// See https://github.com/github/fetch/pull/92#issuecomment-140665932
// Cordova or Electron apps are typically loaded from a file:// url.
// So use fetch if it is available and the url is not a file, otherwise fall back to XHR.
if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
if (typeof fetch == 'function'
) {
return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) {
if (!response['ok']) {
throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
}
return response['arrayBuffer']();
}).catch(function () {
return getBinary(wasmBinaryFile);
});
}
}
// Otherwise, getBinary should be able to get it synchronously
return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); });
}
// Create the wasm instance.
// Receives the wasm imports, returns the exports.
function createWasm() {
// prepare imports
var info = {
'env': asmLibraryArg,
'wasi_snapshot_preview1': asmLibraryArg,
};
// Load the wasm module and create an instance of using native support in the JS engine.
// handle a generated wasm instance, receiving its exports and
// performing other necessary setup
/** @param {WebAssembly.Module=} module*/
function receiveInstance(instance, module) {
var exports = instance.exports;
Module['asm'] = exports;
wasmMemory = Module['asm']['memory'];
assert(wasmMemory, "memory not found in wasm exports");
// This assertion doesn't hold when emscripten is run in --post-link
// mode.
// TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode.
//assert(wasmMemory.buffer.byteLength === 16777216);
updateGlobalBufferAndViews(wasmMemory.buffer);
wasmTable = Module['asm']['__indirect_function_table'];
assert(wasmTable, "table not found in wasm exports");
addOnInit(Module['asm']['__wasm_call_ctors']);
removeRunDependency('wasm-instantiate');
}
// we can't run yet (except in a pthread, where we have a custom sync instantiator)
addRunDependency('wasm-instantiate');
// Prefer streaming instantiation if available.
// Async compilation can be confusing when an error on the page overwrites Module
// (for example, if the order of elements is wrong, and the one defining Module is
// later), so we save Module and check it later.
var trueModule = Module;
function receiveInstantiationResult(result) {
// 'result' is a ResultObject object which has both the module and instance.
// receiveInstance() will swap in the exports (to Module.asm) so they can be called
assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?');
trueModule = null;
// TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
// When the regression is fixed, can restore the above USE_PTHREADS-enabled path.
receiveInstance(result['instance']);
}
function instantiateArrayBuffer(receiver) {
return getBinaryPromise().then(function(binary) {
return WebAssembly.instantiate(binary, info);
}).then(function (instance) {
return instance;
}).then(receiver, function(reason) {
err('failed to asynchronously prepare wasm: ' + reason);
// Warn on some common problems.
if (isFileURI(wasmBinaryFile)) {
err('warning: Loading from a file URI (' + wasmBinaryFile + ') is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing');
}
abort(reason);
});
}
function instantiateAsync() {
if (!wasmBinary &&
typeof WebAssembly.instantiateStreaming == 'function' &&
!isDataURI(wasmBinaryFile) &&
typeof fetch == 'function') {
return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function (response) {
// Suppress closure warning here since the upstream definition for
// instantiateStreaming only allows Promise<Repsponse> rather than
// an actual Response.
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed.
/** @suppress {checkTypes} */
var result = WebAssembly.instantiateStreaming(response, info);
return result.then(
receiveInstantiationResult,
function(reason) {
// We expect the most common failure cause to be a bad MIME type for the binary,
// in which case falling back to ArrayBuffer instantiation should work.
err('wasm streaming compile failed: ' + reason);
err('falling back to ArrayBuffer instantiation');
return instantiateArrayBuffer(receiveInstantiationResult);
});
});
} else {
return instantiateArrayBuffer(receiveInstantiationResult);
}
}
// User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
// to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel
// to any other async startup actions they are performing.
if (Module['instantiateWasm']) {
try {
var exports = Module['instantiateWasm'](info, receiveInstance);
return exports;
} catch(e) {
err('Module.instantiateWasm callback failed with error: ' + e);
return false;
}
}
// If instantiation fails, reject the module ready promise.
instantiateAsync().catch(readyPromiseReject);
return {}; // no exports yet; we'll fill them in later
}
// Globals used by JS i64 conversions (see makeSetValue)
var tempDouble;
var tempI64;
// === Body ===
var ASM_CONSTS = {
};
function call_method(ref_id,method,arg){ try { const obj = window.picorubyRefs[ref_id]; const func = obj[UTF8ToString(method)]; const result = func.call(obj, UTF8ToString(arg)); const newRefId = window.picorubyRefs.length; window.picorubyRefs.push(result); return newRefId; } catch(e) { console.error(e); return -1; } }
function call_method_str(ref_id,method,arg1,arg2){ try { const obj = window.picorubyRefs[ref_id]; const func = obj[UTF8ToString(method)]; const result = func.call(obj, UTF8ToString(arg1), UTF8ToString(arg2)); const newRefId = window.picorubyRefs.length; window.picorubyRefs.push(result); return newRefId; } catch(e) { console.error(e); return -1; } }
function call_method_with_ref(ref_id,method,arg_ref_id){ try { const obj = window.picorubyRefs[ref_id]; const methodName = UTF8ToString(method); const func = obj[methodName]; const argObj = window.picorubyRefs[arg_ref_id]; const result = func.call(obj, argObj); const newRefId = window.picorubyRefs.length; window.picorubyRefs.push(result); return newRefId; } catch(e) { console.error(e); return -1; } }
function call_method_with_ref_ref(ref_id,method,arg_ref_1_id,arg_ref_2_id){ try { const obj = window.picorubyRefs[ref_id]; const methodName = UTF8ToString(method); const func = obj[methodName]; const argObj1 = window.picorubyRefs[arg_ref_1_id]; const argObj2 = window.picorubyRefs[arg_ref_2_id]; const result = func.call(obj, argObj1, argObj2); const newRefId = window.picorubyRefs.length; window.picorubyRefs.push(result); return newRefId; } catch(e) { console.error(e); return -1; } }
function get_element(ref_id,index){ try { const nodeList = window.picorubyRefs[ref_id]; const element = nodeList[index]; if (element === undefined) { return -1; } const newRefId = window.picorubyRefs.push(element) - 1; return newRefId; } catch(e) { return -1; } }
function get_length(ref_id){ try { const obj = window.picorubyRefs[ref_id]; return obj.length || 0; } catch(e) { return -1; } }
function get_property(ref_id,key){ try { const obj = window.picorubyRefs[ref_id]; const value = obj[UTF8ToString(key)]; const newRefId = window.picorubyRefs.length; window.picorubyRefs.push(value); return newRefId; } catch(e) { return -1; } }
function init_js_refs(){ if (typeof globalThis.picorubyRefs === 'undefined') { globalThis.picorubyRefs = []; globalThis.picorubyRefs.push(window); } }
function init_js_type_offsets(type_offset,value_offset,is_integer_offset,string_value_offset){ globalThis.JS_TYPE_INFO_OFFSETS = { type: type_offset, value: value_offset, is_integer: is_integer_offset, string_value: string_value_offset }; }
function is_array_like(ref_id){ const obj = window.picorubyRefs[ref_id]; return obj instanceof NodeList || obj instanceof HTMLCollection || (typeof obj === 'object' && obj !== null && 'length' in obj && typeof obj.length === 'number'); }
function js_add_event_listener(ref_id,callback_id,event_type){ const target = globalThis.picorubyRefs[ref_id]; const type = UTF8ToString(event_type); target.addEventListener(type, (event) => { const eventRefId = globalThis.picorubyRefs.push(event) - 1; ccall( 'call_ruby_callback', 'void', ['number', 'number'], [callback_id, eventRefId] ); }); }
function js_get_type_info(ref_id,info){ const value = globalThis.picorubyRefs[ref_id]; const offsets = globalThis.JS_TYPE_INFO_OFFSETS; let type = typeof value; if (value === null) { HEAP32[info + offsets.type >> 2] = 1; HEAP32[info + offsets.string_value >> 2] = 0; } else if (Array.isArray(value)) { HEAP32[info + offsets.type >> 2] = 7; HEAP32[info + offsets.value >> 2] = value.length; HEAP32[info + offsets.string_value >> 2] = 0; } else { switch(type) { case "undefined": HEAP32[info + offsets.type >> 2] = 0; HEAP32[info + offsets.string_value >> 2] = 0; break; case "boolean": HEAP32[info + offsets.type >> 2] = 2; HEAPU8[info + offsets.value] = value ? 1 : 0; HEAP32[info + offsets.string_value >> 2] = 0; break; case "number": HEAP32[info + offsets.type >> 2] = 3; HEAPF64[info + offsets.value >> 3] = value; HEAPU8[info + offsets.is_integer] = Number.isInteger(value) ? 1 : 0; HEAP32[info + offsets.string_value >> 2] = 0; break; case "bigint": case "string": case "symbol": { HEAP32[info + offsets.type >> 2] = type === "bigint" ? 4 : type === "string" ? 5 : 6; const str = type === "symbol" ? (value.description || "") : value.toString(); const length = lengthBytesUTF8(str) + 1; const ptr = _malloc(length); stringToUTF8(str, ptr, length); HEAP32[info + offsets.string_value >> 2] = ptr; break; } case "object": HEAP32[info + offsets.type >> 2] = 8; HEAP32[info + offsets.string_value >> 2] = 0; break; case "function": HEAP32[info + offsets.type >> 2] = 9; HEAP32[info + offsets.string_value >> 2] = 0; break; } } }
function set_property(ref_id,key,value){ try { if (!globalThis.picorubyRefs || ref_id >= globalThis.picorubyRefs.length) { console.error('Invalid reference ID:', ref_id); return false; } const obj = globalThis.picorubyRefs[ref_id]; if (!obj) { console.error('Object not found for ref_id:', ref_id); return false; } const property = UTF8ToString(key); const val = UTF8ToString(value); obj[property] = val; return true; } catch(e) { console.error('Error in set_property:', e); return false; } }
function setup_binary_handler(ref_id,tcb,callback_id){ const response = window.picorubyRefs[ref_id]; if (!response || typeof response.arrayBuffer !== 'function') { console.error('Invalid response object:', response); return 0; } response.arrayBuffer().then(arrayBuffer => { const uint8Array = new Uint8Array(arrayBuffer); const ptr = _malloc(uint8Array.length); const heapBytes = new Uint8Array(HEAPU8.buffer, ptr, uint8Array.length); heapBytes.set(uint8Array); ccall( 'resume_binary_task', 'void', ['number', 'number', 'number', 'number'], [tcb, callback_id, ptr, uint8Array.length] ); }).catch(error => { console.error('Error in arrayBuffer processing:', error); }); return 0; }
function setup_promise_handler(promise_id,callback_id,tcb){ const promise = globalThis.picorubyRefs[promise_id]; promise.then( (result) => { const resultId = globalThis.picorubyRefs.length; globalThis.picorubyRefs.push(result); ccall( 'resume_promise_task', 'void', ['number', 'number', 'number'], [tcb, callback_id, resultId] ); } ); }
function callRuntimeCallbacks(callbacks) {
while (callbacks.length > 0) {
var callback = callbacks.shift();
if (typeof callback == 'function') {
callback(Module); // Pass the module as the first argument.
continue;
}
var func = callback.func;
if (typeof func == 'number') {
if (callback.arg === undefined) {
getWasmTableEntry(func)();
} else {
getWasmTableEntry(func)(callback.arg);
}
} else {
func(callback.arg === undefined ? null : callback.arg);
}
}
}
function withStackSave(f) {
var stack = stackSave();
var ret = f();
stackRestore(stack);
return ret;
}
function demangle(func) {
warnOnce('warning: build with -s DEMANGLE_SUPPORT=1 to link in libcxxabi demangling');
return func;
}
function demangleAll(text) {
var regex =
/\b_Z[\w\d_]+/g;
return text.replace(regex,
function(x) {
var y = demangle(x);
return x === y ? x : (y + ' [' + x + ']');
});
}
var wasmTableMirror = [];
function getWasmTableEntry(funcPtr) {
var func = wasmTableMirror[funcPtr];
if (!func) {
if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1;
wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
}
assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!");
return func;
}
function handleException(e) {
// Certain exception types we do not treat as errors since they are used for
// internal control flow.
// 1. ExitStatus, which is thrown by exit()
// 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
// that wish to return to JS event loop.
if (e instanceof ExitStatus || e == 'unwind') {
return EXITSTATUS;
}
quit_(1, e);
}
function jsStackTrace() {
var error = new Error();
if (!error.stack) {
// IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown,
// so try that as a special-case.
try {
throw new Error();
} catch(e) {
error = e;
}
if (!error.stack) {
return '(no stack trace available)';
}
}
return error.stack.toString();
}
function setWasmTableEntry(idx, func) {
wasmTable.set(idx, func);
wasmTableMirror[idx] = func;
}
function stackTrace() {
var js = jsStackTrace();
if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace']();
return demangleAll(js);
}
var PATH = {splitPath:function(filename) {
var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
return splitPathRe.exec(filename).slice(1);
},normalizeArray:function(parts, allowAboveRoot) {
// if the path tries to go above the root, `up` ends up > 0
var up = 0;
for (var i = parts.length - 1; i >= 0; i--) {
var last = parts[i];
if (last === '.') {
parts.splice(i, 1);
} else if (last === '..') {
parts.splice(i, 1);
up++;
} else if (up) {
parts.splice(i, 1);
up--;
}
}
// if the path is allowed to go above the root, restore leading ..s
if (allowAboveRoot) {
for (; up; up--) {
parts.unshift('..');
}
}
return parts;
},normalize:function(path) {
var isAbsolute = path.charAt(0) === '/',
trailingSlash = path.substr(-1) === '/';
// Normalize the path
path = PATH.normalizeArray(path.split('/').filter(function(p) {
return !!p;
}), !isAbsolute).join('/');
if (!path && !isAbsolute) {
path = '.';
}
if (path && trailingSlash) {
path += '/';
}
return (isAbsolute ? '/' : '') + path;
},dirname:function(path) {
var result = PATH.splitPath(path),
root = result[0],
dir = result[1];
if (!root && !dir) {
// No dirname whatsoever
return '.';
}
if (dir) {
// It has a dirname, strip trailing slash
dir = dir.substr(0, dir.length - 1);
}
return root + dir;
},basename:function(path) {
// EMSCRIPTEN return '/'' for '/', not an empty string
if (path === '/') return '/';
path = PATH.normalize(path);
path = path.replace(/\/$/, "");
var lastSlash = path.lastIndexOf('/');
if (lastSlash === -1) return path;
return path.substr(lastSlash+1);
},extname:function(path) {
return PATH.splitPath(path)[3];
},join:function() {
var paths = Array.prototype.slice.call(arguments, 0);
return PATH.normalize(paths.join('/'));
},join2:function(l, r) {
return PATH.normalize(l + '/' + r);
}};
function getRandomDevice() {
if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') {
// for modern web browsers
var randomBuffer = new Uint8Array(1);
return function() { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; };
} else
// we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096
return function() { abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };"); };
}
var PATH_FS = {resolve:function() {
var resolvedPath = '',
resolvedAbsolute = false;
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
var path = (i >= 0) ? arguments[i] : FS.cwd();
// Skip empty and invalid entries
if (typeof path != 'string') {
throw new TypeError('Arguments to path.resolve must be strings');
} else if (!path) {
return ''; // an invalid portion invalidates the whole thing
}
resolvedPath = path + '/' + resolvedPath;
resolvedAbsolute = path.charAt(0) === '/';
}
// At this point the path should be resolved to a full absolute path, but
// handle relative paths to be safe (might happen when process.cwd() fails)
resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) {
return !!p;
}), !resolvedAbsolute).join('/');
return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
},relative:function(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 TTY = {ttys:[],init:function () {
// https://github.com/emscripten-core/emscripten/pull/1555
// if (ENVIRONMENT_IS_NODE) {
// // currently, FS.init does not distinguish if process.stdin is a file or TTY
// // device, it always assumes it's a TTY device. because of this, we're forcing
// // process.stdin to UTF8 encoding to at least make stdin reading compatible
// // with text files until FS.init can be refactored.
// process['stdin']['setEncoding']('utf8');
// }
},shutdown:function() {
// https://github.com/emscripten-core/emscripten/pull/1555
// if (ENVIRONMENT_IS_NODE) {
// // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
// // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
// // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
// // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
// // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
// process['stdin']['pause']();
// }
},register:function(dev, ops) {
TTY.ttys[dev] = { input: [], output: [], ops: ops };
FS.registerDevice(dev, TTY.stream_ops);
},stream_ops:{open:function(stream) {
var tty = TTY.ttys[stream.node.rdev];
if (!tty) {
throw new FS.ErrnoError(43);
}
stream.tty = tty;
stream.seekable = false;
},close:function(stream) {
// flush any pending line data
stream.tty.ops.flush(stream.tty);
},flush:function(stream) {
stream.tty.ops.flush(stream.tty);
},read:function(stream, buffer, offset, length, pos /* ignored */) {
if (!stream.tty || !stream.tty.ops.get_char) {
throw new FS.ErrnoError(60);
}
var bytesRead = 0;
for (var i = 0; i < length; i++) {
var result;
try {
result = stream.tty.ops.get_char(stream.tty);
} catch (e) {
throw new FS.ErrnoError(29);
}
if (result === undefined && bytesRead === 0) {
throw new FS.ErrnoError(6);
}
if (result === null || result === undefined) break;
bytesRead++;
buffer[offset+i] = result;
}
if (bytesRead) {
stream.node.timestamp = Date.now();
}
return bytesRead;
},write:function(stream, buffer, offset, length, pos) {
if (!stream.tty || !stream.tty.ops.put_char) {
throw new FS.ErrnoError(60);
}
try {
for (var i = 0; i < length; i++) {
stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
}
} catch (e) {
throw new FS.ErrnoError(29);
}
if (length) {
stream.node.timestamp = Date.now();
}
return i;
}},default_tty_ops:{get_char:function(tty) {
if (!tty.input.length) {
var result = null;
if (typeof window != 'undefined' &&
typeof window.prompt == 'function') {
// Browser.
result = window.prompt('Input: '); // returns null on cancel
if (result !== null) {
result += '\n';
}
} else if (typeof readline == 'function') {
// Command line.
result = readline();
if (result !== null) {
result += '\n';
}
}
if (!result) {
return null;
}
tty.input = intArrayFromString(result, true);
}
return tty.input.shift();
},put_char:function(tty, val) {
if (val === null || val === 10) {
out(UTF8ArrayToString(tty.output, 0));
tty.output = [];
} else {
if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle.
}
},flush:function(tty) {
if (tty.output && tty.output.length > 0) {
out(UTF8ArrayToString(tty.output, 0));
tty.output = [];
}
}},default_tty1_ops:{put_char:function(tty, val) {
if (val === null || val === 10) {
err(UTF8ArrayToString(tty.output, 0));
tty.output = [];
} else {
if (val != 0) tty.output.push(val);
}
},flush:function(tty) {
if (tty.output && tty.output.length > 0) {
err(UTF8ArrayToString(tty.output, 0));
tty.output = [];
}
}}};
function zeroMemory(address, size) {
HEAPU8.fill(0, address, address + size);
}
function alignMemory(size, alignment) {
assert(alignment, "alignment argument is required");
return Math.ceil(size / alignment) * alignment;
}
function mmapAlloc(size) {
size = alignMemory(size, 65536);
var ptr = _emscripten_builtin_memalign(65536, size);
if (!ptr) return 0;
zeroMemory(ptr, size);
return ptr;
}
var MEMFS = {ops_table:null,mount:function(mount) {
return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
},createNode:function(parent, name, mode, dev) {
if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
// no supported
throw new FS.ErrnoError(63);
}
if (!MEMFS.ops_table) {
MEMFS.ops_table = {
dir: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
lookup: MEMFS.node_ops.lookup,
mknod: MEMFS.node_ops.mknod,
rename: MEMFS.node_ops.rename,
unlink: MEMFS.node_ops.unlink,
rmdir: MEMFS.node_ops.rmdir,
readdir: MEMFS.node_ops.readdir,
symlink: MEMFS.node_ops.symlink
},
stream: {
llseek: MEMFS.stream_ops.llseek
}
},
file: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: {
llseek: MEMFS.stream_ops.llseek,
read: MEMFS.stream_ops.read,
write: MEMFS.stream_ops.write,
allocate: MEMFS.stream_ops.allocate,
mmap: MEMFS.stream_ops.mmap,
msync: MEMFS.stream_ops.msync
}
},
link: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
readlink: MEMFS.node_ops.readlink
},
stream: {}
},
chrdev: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: FS.chrdev_stream_ops
}
};
}
var node = FS.createNode(parent, name, mode, dev);
if (FS.isDir(node.mode)) {
node.node_ops = MEMFS.ops_table.dir.node;
node.stream_ops = MEMFS.ops_table.dir.stream;
node.contents = {};
} else if (FS.isFile(node.mode)) {
node.node_ops = MEMFS.ops_table.file.node;
node.stream_ops = MEMFS.ops_table.file.stream;
node.usedBytes = 0; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity.
// When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred
// for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size
// penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme.
node.contents = null;
} else if (FS.isLink(node.mode)) {
node.node_ops = MEMFS.ops_table.link.node;
node.stream_ops = MEMFS.ops_table.link.stream;
} else if (FS.isChrdev(node.mode)) {
node.node_ops = MEMFS.ops_table.chrdev.node;
node.stream_ops = MEMFS.ops_table.chrdev.stream;
}
node.timestamp = Date.now();
// add the new node to the parent
if (parent) {
parent.contents[name] = node;
parent.timestamp = node.timestamp;
}
return node;
},getFileDataAsTypedArray:function(node) {
if (!node.contents) return new Uint8Array(0);
if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes.
return new Uint8Array(node.contents);
},expandFileStorage:function(node, newCapacity) {
var prevCapacity = node.contents ? node.contents.length : 0;
if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough.
// Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
// For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
// avoid overshooting the allocation cap by a very large margin.
var CAPACITY_DOUBLING_MAX = 1024 * 1024;
newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0);
if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding.
var oldContents = node.contents;
node.contents = new Uint8Array(newCapacity); // Allocate new storage.
if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage.
},resizeFileStorage:function(node, newSize) {
if (node.usedBytes == newSize) return;
if (newSize == 0) {
node.contents = null; // Fully decommit when requesting a resize to zero.
node.usedBytes = 0;
} else {
var oldContents = node.contents;
node.contents = new Uint8Array(newSize); // Allocate new storage.
if (oldContents) {
node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage.
}
node.usedBytes = newSize;
}
},node_ops:{getattr:function(node) {
var attr = {};
// device numbers reuse inode numbers.
attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
attr.ino = node.id;
attr.mode = node.mode;
attr.nlink = 1;
attr.uid = 0;
attr.gid = 0;
attr.rdev = node.rdev;
if (FS.isDir(node.mode)) {
attr.size = 4096;
} else if (FS.isFile(node.mode)) {
attr.size = node.usedBytes;
} else if (FS.isLink(node.mode)) {
attr.size = node.link.length;
} else {
attr.size = 0;
}
attr.atime = new Date(node.timestamp);
attr.mtime = new Date(node.timestamp);
attr.ctime = new Date(node.timestamp);
// NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
// but this is not required by the standard.
attr.blksize = 4096;
attr.blocks = Math.ceil(attr.size / attr.blksize);
return attr;
},setattr:function(node, attr) {
if (attr.mode !== undefined) {
node.mode = attr.mode;
}
if (attr.timestamp !== undefined) {
node.timestamp = attr.timestamp;
}
if (attr.size !== undefined) {
MEMFS.resizeFileStorage(node, attr.size);
}
},lookup:function(parent, name) {
throw FS.genericErrors[44];
},mknod:function(parent, name, mode, dev) {
return MEMFS.createNode(parent, name, mode, dev);
},rename:function(old_node, new_dir, new_name) {
// if we're overwriting a directory at new_name, make sure it's empty.
if (FS.isDir(old_node.mode)) {
var new_node;
try {
new_node = FS.lookupNode(new_dir, new_name);
} catch (e) {
}
if (new_node) {
for (var i in new_node.contents) {
throw new FS.ErrnoError(55);
}
}
}
// do the internal rewiring
delete old_node.parent.contents[old_node.name];
old_node.parent.timestamp = Date.now()
old_node.name = new_name;
new_dir.contents[new_name] = old_node;
new_dir.timestamp = old_node.parent.timestamp;
old_node.parent = new_dir;
},unlink:function(parent, name) {
delete parent.contents[name];
parent.timestamp = Date.now();
},rmdir:function(parent, name) {
var node = FS.lookupNode(parent, name);
for (var i in node.contents) {
throw new FS.ErrnoError(55);
}
delete parent.contents[name];
parent.timestamp = Date.now();
},readdir:function(node) {
var entries = ['.', '..'];
for (var key in node.contents) {
if (!node.contents.hasOwnProperty(key)) {
continue;
}
entries.push(key);
}
return entries;
},symlink:function(parent, newname, oldpath) {
var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0);
node.link = oldpath;
return node;
},readlink:function(node) {
if (!FS.isLink(node.mode)) {
throw new FS.ErrnoError(28);
}
return node.link;
}},stream_ops:{read:function(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= stream.node.usedBytes) return 0;
var size = Math.min(stream.node.usedBytes - position, length);
assert(size >= 0);
if (size > 8 && contents.subarray) { // non-trivial, and typed array
buffer.set(contents.subarray(position, position + size), offset);
} else {
for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
}
return size;
},write:function(stream, buffer, offset, length, position, canOwn) {
// The data buffer should be a typed array view
assert(!(buffer instanceof ArrayBuffer));
// If the buffer is located in main memory (HEAP), and if
// memory can grow, we can't hold on to references of the
// memory buffer, as they may get invalidated. That means we
// need to do copy its contents.
if (buffer.buffer === HEAP8.buffer) {
canOwn = false;
}
if (!length) return 0;
var node = stream.node;
node.timestamp = Date.now();
if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array?
if (canOwn) {
assert(position === 0, 'canOwn must imply no weird position inside the file');
node.contents = buffer.subarray(offset, offset + length);
node.usedBytes = length;
return length;
} else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
node.contents = buffer.slice(offset, offset + length);
node.usedBytes = length;
return length;
} else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file?
node.contents.set(buffer.subarray(offset, offset + length), position);
return length;
}
}
// Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
MEMFS.expandFileStorage(node, position+length);
if (node.contents.subarray && buffer.subarray) {
// Use typed array write which is available.
node.contents.set(buffer.subarray(offset, offset + length), position);
} else {
for (var i = 0; i < length; i++) {
node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not.
}
}
node.usedBytes = Math.max(node.usedBytes, position + length);
return length;
},llseek:function(stream, offset, whence) {
var position = offset;
if (whence === 1) {
position += stream.position;
} else if (whence === 2) {
if (FS.isFile(stream.node.mode)) {
position += stream.node.usedBytes;
}
}
if (position < 0) {
throw new FS.ErrnoError(28);
}
return position;
},allocate:function(stream, offset, length) {
MEMFS.expandFileStorage(stream.node, offset + length);
stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
},mmap:function(stream, address, length, position, prot, flags) {
if (address !== 0) {
// We don't currently support location hints for the address of the mapping
throw new FS.ErrnoError(28);
}
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 === buffer) {
// We can't emulate MAP_SHARED when the file is not backed by the buffer
// we're mapping to (e.g. the HEAP buffer).
allocated = false;
ptr = contents.byteOffset;
} else {
// Try to avoid unnecessary slices.
if (position > 0 || position + length < contents.length) {
if (contents.subarray) {
contents = contents.subarray(position, position + length);
} else {
contents = Array.prototype.slice.call(contents, position, position + length);
}
}
allocated = true;
ptr = mmapAlloc(length);
if (!ptr) {
throw new FS.ErrnoError(48);
}
HEAP8.set(contents, ptr);
}
return { ptr: ptr, allocated: allocated };
},msync:function(stream, buffer, offset, length, mmapFlags) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
if (mmapFlags & 2) {
// MAP_PRIVATE calls need not to be synced back to underlying fs
return 0;
}
var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
// should we check if bytesWritten and length are the same?
return 0;
}}};
/** @param {boolean=} noRunDep */
function asyncLoad(url, onload, onerror, noRunDep) {
var dep = !noRunDep ? getUniqueRunDependency('al ' + url) : '';
readAsync(url, function(arrayBuffer) {
assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
onload(new Uint8Array(arrayBuffer));
if (dep) removeRunDependency(dep);
}, function(event) {
if (onerror) {
onerror();
} else {
throw 'Loading data file "' + url + '" failed.';
}
});
if (dep) addRunDependency(dep);
}
var ERRNO_MESSAGES = {0:"Success",1:"Arg list too long",2:"Permission denied",3:"Address already in use",4:"Address not available",5:"Address family not supported by protocol family",6:"No more processes",7:"Socket already connected",8:"Bad file number",9:"Trying to read unreadable message",10:"Mount device busy",11:"Operation canceled",12:"No children",13:"Connection aborted",14:"Connection refused",15:"Connection reset by peer",16:"File locking deadlock error",17:"Destination address required",18:"Math arg out of domain of func",19:"Quota exceeded",20:"File exists",21:"Bad address",22:"File too large",23:"Host is unreachable",24:"Identifier removed",25:"Illegal byte sequence",26:"Connection already in progress",27:"Interrupted system call",28:"Invalid argument",29:"I/O error",30:"Socket is already connected",31:"Is a directory",32:"Too many symbolic links",33:"Too many open files",34:"Too many links",35:"Message too long",36:"Multihop attempted",37:"File or path name too long",38:"Network interface is not configured",39:"Connection reset by network",40:"Network is unreachable",41:"Too many open files in system",42:"No buffer space available",43:"No such device",44:"No such file or directory",45:"Exec format error",46:"No record locks available",47:"The link has been severed",48:"Not enough core",49:"No message of desired type",50:"Protocol not available",51:"No space left on device",52:"Function not implemented",53:"Socket is not connected",54:"Not a directory",55:"Directory not empty",56:"State not recoverable",57:"Socket operation on non-socket",59:"Not a typewriter",60:"No such device or address",61:"Value too large for defined data type",62:"Previous owner died",63:"Not super-user",64:"Broken pipe",65:"Protocol error",66:"Unknown protocol",67:"Protocol wrong type for socket",68:"Math result not representable",69:"Read only file system",70:"Illegal seek",71:"No such process",72:"Stale file handle",73:"Connection timed out",74:"Text file busy",75:"Cross-device link",100:"Device not a stream",101:"Bad font file fmt",102:"Invalid slot",103:"Invalid request code",104:"No anode",105:"Block device required",106:"Channel number out of range",107:"Level 3 halted",108:"Level 3 reset",109:"Link number out of range",110:"Protocol driver not attached",111:"No CSI structure available",112:"Level 2 halted",113:"Invalid exchange",114:"Invalid request descriptor",115:"Exchange full",116:"No data (for no delay io)",117:"Timer expired",118:"Out of streams resources",119:"Machine is not on the network",120:"Package not installed",121:"The object is remote",122:"Advertise error",123:"Srmount error",124:"Communication error on send",125:"Cross mount point (not really error)",126:"Given log. name not unique",127:"f.d. invalid for this operation",128:"Remote address changed",129:"Can access a needed shared lib",130:"Accessing a corrupted shared lib",131:".lib section in a.out corrupted",132:"Attempting to link in too many libs",133:"Attempting to exec a shared library",135:"Streams pipe error",136:"Too many users",137:"Socket type not supported",138:"Not supported",139:"Protocol family not supported",140:"Can't send after socket shutdown",141:"Too many references",142:"Host is down",148:"No medium (in tape drive)",156:"Level 2 not synchronized"};
var ERRNO_CODES = {};
var FS = {root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:(path, opts = {}) => {
path = PATH_FS.resolve(FS.cwd(), path);
if (!path) return { path: '', node: null };
var defaults = {
follow_mount: true,
recurse_count: 0
};
for (var key in defaults) {
if (opts[key] === undefined) {
opts[key] = defaults[key];
}
}
if (opts.recurse_count > 8) { // max recursive lookup of 8
throw new FS.ErrnoError(32);
}
// split the path
var parts = PATH.normalizeArray(path.split('/').filter((p) => !!p), false);
// 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 });
current = lookup.node;
if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
throw new FS.ErrnoError(32);
}
}
}
}
return { path: current_path, node: current };
},getPath:(node) => {
var path;
while (true) {
if (FS.isRoot(node)) {
var mount = node.mount.mountpoint;
if (!path) return mount;
return mount[mount.length-1] !== '/' ? mount + '/' + path : mount + path;
}
path = path ? node.name + '/' + path : node.name;
node = node.parent;
}
},hashName:(parentid, name) => {
var hash = 0;
for (var i = 0; i < name.length; i++) {
hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
}
return ((parentid + hash) >>> 0) % FS.nameTable.length;
},hashAddNode:(node) => {
var hash = FS.hashName(node.parent.id, node.name);
node.name_next = FS.nameTable[hash];
FS.nameTable[hash] = node;
},hashRemoveNode:(node) => {
var hash = FS.hashName(node.parent.id, node.name);
if (FS.nameTable[hash] === node) {
FS.nameTable[hash] = node.name_next;
} else {
var current = FS.nameTable[hash];
while (current) {
if (current.name_next === node) {
current.name_next = node.name_next;
break;
}
current = current.name_next;
}
}
},lookupNode:(parent, name) => {
var errCode = FS.mayLookup(parent);
if (errCode) {
throw new FS.ErrnoError(errCode, parent);
}
var hash = FS.hashName(parent.id, name);
for (var node = FS.nameTable[hash]; node; node = node.name_next) {
var nodeName = node.name;
if (node.parent.id === parent.id && nodeName === name) {
return node;
}
}
// if we failed to find it in the cache, call into the VFS
return FS.lookup(parent, name);
},createNode:(parent, name, mode, rdev) => {
assert(typeof parent == 'object')
var node = new FS.FSNode(parent, name, mode, rdev);
FS.hashAddNode(node);
return node;
},destroyNode:(node) => {
FS.hashRemoveNode(node);
},isRoot:(node) => {
return node === node.parent;
},isMountpoint:(node) => {
return !!node.mounted;
},isFile:(mode) => {
return (mode & 61440) === 32768;
},isDir:(mode) => {
return (mode & 61440) === 16384;
},isLink:(mode) => {
return (mode & 61440) === 40960;
},isChrdev:(mode) => {
return (mode & 61440) === 8192;
},isBlkdev:(mode) => {
return (mode & 61440) === 24576;
},isFIFO:(mode) => {
return (mode & 61440) === 4096;
},isSocket:(mode) => {
return (mode & 49152) === 49152;
},flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:(str) => {
var flags = FS.flagModes[str];
if (typeof flags == 'undefined') {
throw new Error('Unknown file open mode: ' + str);
}
return flags;
},flagsToPermissionString:(flag) => {
var perms = ['r', 'w', 'rw'][flag & 3];
if ((flag & 512)) {
perms += 'w';
}
return perms;
},nodePermissions:(node, perms) => {
if (FS.ignorePermissions) {
return 0;
}
// return 0 if any user, group or owner bits are set.
if (perms.includes('r') && !(node.mode & 292)) {
return 2;
} else if (perms.includes('w') && !(node.mode & 146)) {
return 2;
} else if (perms.includes('x') && !(node.mode & 73)) {
return 2;
}
return 0;
},mayLookup:(dir) => {
var errCode = FS.nodePermissions(dir, 'x');
if (errCode) return errCode;
if (!dir.node_ops.lookup) return 2;
return 0;
},mayCreate:(dir, name) => {
try {
var node = FS.lookupNode(dir, name);
return 20;
} catch (e) {
}
return FS.nodePermissions(dir, 'wx');
},mayDelete:(dir, name, isdir) => {
var node;
try {
node = FS.lookupNode(dir, name);
} catch (e) {
return e.errno;
}
var errCode = FS.nodePermissions(dir, 'wx');
if (errCode) {
return errCode;
}
if (isdir) {
if (!FS.isDir(node.mode)) {
return 54;
}
if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
return 10;
}
} else {
if (FS.isDir(node.mode)) {
return 31;
}
}
return 0;
},mayOpen:(node, flags) => {
if (!node) {
return 44;
}
if (FS.isLink(node.mode)) {
return 32;
} else if (FS.isDir(node.mode)) {
if (FS.flagsToPermissionString(flags) !== 'r' || // opening for write
(flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only)
return 31;
}
}
return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
},MAX_OPEN_FDS:4096,nextfd:(fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => {
for (var fd = fd_start; fd <= fd_end; fd++) {
if (!FS.streams[fd]) {
return fd;
}
}
throw new FS.ErrnoError(33);
},getStream:(fd) => FS.streams[fd],createStream:(stream, fd_start, fd_end) => {
if (!FS.FSStream) {
FS.FSStream = /** @constructor */ function(){};
FS.FSStream.prototype = {
object: {
get: function() { return this.node; },
set: function(val) { this.node = val; }
},
isRead: {
get: function() { return (this.flags & 2097155) !== 1; }
},
isWrite: {
get: function() { return (this.flags & 2097155) !== 0; }
},
isAppend: {
get: function() { return (this.flags & 1024); }
}
};
}
// clone it, so we can return an instance of FSStream
stream = Object.assign(new FS.FSStream(), stream);
var fd = FS.nextfd(fd_start, fd_end);
stream.fd = fd;
FS.streams[fd] = stream;
return stream;
},closeStream:(fd) => {
FS.streams[fd] = null;
},chrdev_stream_ops:{open:(stream) => {
var device = FS.getDevice(stream.node.rdev);
// override node's stream ops with the device's
stream.stream_ops = device.stream_ops;
// forward the open call
if (stream.stream_ops.open) {
stream.stream_ops.open(stream);
}
},llseek:() => {
throw new FS.ErrnoError(70);
}},major:(dev) => ((dev) >> 8),minor:(dev) => ((dev) & 0xff),makedev:(ma, mi) => ((ma) << 8 | (mi)),registerDevice:(dev, ops) => {
FS.devices[dev] = { stream_ops: ops };
},getDevice:(dev) => FS.devices[dev],getMounts:(mount) => {
var mounts = [];
var check = [mount];
while (check.length) {
var m = check.pop();
mounts.push(m);
check.push.apply(check, m.mounts);
}
return mounts;
},syncfs:(populate, callback) => {
if (typeof populate == 'function') {
callback = populate;
populate = false;
}
FS.syncFSRequests++;
if (FS.syncFSRequests > 1) {
err('warning: ' + FS.syncFSRequests + ' FS.syncfs operations in flight at once, probably just doing extra work');
}
var mounts = FS.getMounts(FS.root.mount);
var completed = 0;
function doCallback(errCode) {
assert(FS.syncFSRequests > 0);
FS.syncFSRequests--;
return callback(errCode);
}
function done(errCode) {
if (errCode) {
if (!done.errored) {
done.errored = true;
return doCallback(errCode);
}
return;
}
if (++completed >= mounts.length) {
doCallback(null);
}
};
// sync all mounts
mounts.forEach((mount) => {
if (!mount.type.syncfs) {
return done(null);
}
mount.type.syncfs(mount, populate, done);
});
},mount:(type, opts, mountpoint) => {
if (typeof type == 'string') {
// The filesystem was not included, and instead we have an error
// message stored in the variable.
throw type;
}
var root = mountpoint === '/';
var pseudo = !mountpoint;
var node;
if (root && FS.root) {
throw new FS.ErrnoError(10);
} else if (!root && !pseudo) {
var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
mountpoint = lookup.path; // use the absolute path
node = lookup.node;
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10);
}
if (!FS.isDir(node.mode)) {
throw new FS.ErrnoError(54);
}
}
var mount = {
type: type,
opts: opts,
mountpoint: mountpoint,
mounts: []
};
// create a root node for the fs
var mountRoot = type.mount(mount);
mountRoot.mount = mount;
mount.root = mountRoot;
if (root) {
FS.root = mountRoot;
} else if (node) {
// set as a mountpoint
node.mounted = mount;
// add the new mount to the current mount's children
if (node.mount) {
node.mount.mounts.push(mount);
}
}
return mountRoot;
},unmount:(mountpoint) => {
var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
if (!FS.isMountpoint(lookup.node)) {
throw new FS.ErrnoError(28);
}
// destroy the nodes for this mount, and all its child mounts
var node = lookup.node;
var mount = node.mounted;
var mounts = FS.getMounts(mount);
Object.keys(FS.nameTable).forEach((hash) => {
var current = FS.nameTable[hash];
while (current) {
var next = current.name_next;
if (mounts.includes(current.mount)) {
FS.destroyNode(current);
}
current = next;
}
});
// no longer a mountpoint
node.mounted = null;
// remove this mount from the child mounts
var idx = node.mount.mounts.indexOf(mount);
assert(idx !== -1);
node.mount.mounts.splice(idx, 1);
},lookup:(parent, name) => {
return parent.node_ops.lookup(parent, name);
},mknod:(path, mode, dev) => {
var lookup = FS.lookupPath(path, { parent: true });
var parent = lookup.node;
var name = PATH.basename(path);
if (!name || name === '.' || name === '..') {
throw new FS.ErrnoError(28);
}
var errCode = FS.mayCreate(parent, name);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.mknod) {
throw new FS.ErrnoError(63);
}
return parent.node_ops.mknod(parent, name, mode, dev);
},create:(path, mode) => {
mode = mode !== undefined ? mode : 438 /* 0666 */;
mode &= 4095;
mode |= 32768;
return FS.mknod(path, mode, 0);
},mkdir:(path, mode) => {
mode = mode !== undefined ? mode : 511 /* 0777 */;
mode &= 511 | 512;
mode |= 16384;
return FS.mknod(path, mode, 0);
},mkdirTree:(path, mode) => {
var dirs = path.split('/');
var d = '';
for (var i = 0; i < dirs.length; ++i) {
if (!dirs[i]) continue;
d += '/' + dirs[i];
try {
FS.mkdir(d, mode);
} catch(e) {
if (e.errno != 20) throw e;
}
}
},mkdev:(path, mode, dev) => {
if (typeof dev == 'undefined') {
dev = mode;
mode = 438 /* 0666 */;
}
mode |= 8192;
return FS.mknod(path, mode, dev);
},symlink:(oldpath, newpath) => {
if (!PATH_FS.resolve(oldpath)) {
throw new FS.ErrnoError(44);
}
var lookup = FS.lookupPath(newpath, { parent: true });
var parent = lookup.node;
if (!parent) {
throw new FS.ErrnoError(44);
}
var newname = PATH.basename(newpath);
var errCode = FS.mayCreate(parent, newname);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.symlink) {
throw new FS.ErrnoError(63);
}
return parent.node_ops.symlink(parent, newname, oldpath);
},rename:(old_path, new_path) => {
var old_dirname = PATH.dirname(old_path);
var new_dirname = PATH.dirname(new_path);
var old_name = PATH.basename(old_path);
var new_name = PATH.basename(new_path);
// parents must exist
var lookup, old_dir, new_dir;
// let the errors from non existant directories percolate up
lookup = FS.lookupPath(old_path, { parent: true });
old_dir = lookup.node;
lookup = FS.lookupPath(new_path, { parent: true });
new_dir = lookup.node;
if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
// need to be part of the same mount
if (old_dir.mount !== new_dir.mount) {
throw new FS.ErrnoError(75);
}
// source must exist
var old_node = FS.lookupNode(old_dir, old_name);
// old path should not be an ancestor of the new path
var relative = PATH_FS.relative(old_path, new_dirname);
if (relative.charAt(0) !== '.') {
throw new FS.ErrnoError(28);
}
// new path should not be an ancestor of the old path
relative = PATH_FS.relative(new_path, old_dirname);
if (relative.charAt(0) !== '.') {
throw new FS.ErrnoError(55);
}
// see if the new path already exists
var new_node;
try {
new_node = FS.lookupNode(new_dir, new_name);
} catch (e) {
// not fatal
}
// early out if nothing needs to change
if (old_node === new_node) {
return;
}
// we'll need to delete the old entry
var isdir = FS.isDir(old_node.mode);
var errCode = FS.mayDelete(old_dir, old_name, isdir);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
// need delete permissions if we'll be overwriting.
// need create permissions if new doesn't already exist.
errCode = new_node ?
FS.mayDelete(new_dir, new_name, isdir) :
FS.mayCreate(new_dir, new_name);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!old_dir.node_ops.rename) {
throw new FS.ErrnoError(63);
}
if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
throw new FS.ErrnoError(10);
}
// if we are going to change the parent, check write permissions
if (new_dir !== old_dir) {
errCode = FS.nodePermissions(old_dir, 'w');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
}
// remove the node from the lookup hash
FS.hashRemoveNode(old_node);
// do the underlying fs rename
try {
old_dir.node_ops.rename(old_node, new_dir, new_name);
} catch (e) {
throw e;
} finally {
// add the node back to the hash (in case node_ops.rename
// changed its name)
FS.hashAddNode(old_node);
}
},rmdir:(path) => {
var lookup = FS.lookupPath(path, { parent: true });
var parent = lookup.node;
var name = PATH.basename(path);
var node = FS.lookupNode(parent, name);
var errCode = FS.mayDelete(parent, name, true);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.rmdir) {
throw new FS.ErrnoError(63);
}
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10);
}
parent.node_ops.rmdir(parent, name);
FS.destroyNode(node);
},readdir:(path) => {
var lookup = FS.lookupPath(path, { follow: true });
var node = lookup.node;
if (!node.node_ops.readdir) {
throw new FS.ErrnoError(54);
}
return node.node_ops.readdir(node);
},unlink:(path) => {
var lookup = FS.lookupPath(path, { parent: true });
var parent = lookup.node;
if (!parent) {
throw new FS.ErrnoError(44);
}
var name = PATH.basename(path);
var node = FS.lookupNode(parent, name);
var errCode = FS.mayDelete(parent, name, false);
if (errCode) {
// According to POSIX, we should map EISDIR to EPERM, but
// we instead do what Linux does (and we must, as we use
// the musl linux libc).
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.unlink) {
throw new FS.ErrnoError(63);
}
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10);
}
parent.node_ops.unlink(parent, name);
FS.destroyNode(node);
},readlink:(path) => {
var lookup = FS.lookupPath(path);
var link = lookup.node;
if (!link) {
throw new FS.ErrnoError(44);
}
if (!link.node_ops.readlink) {
throw new FS.ErrnoError(28);
}
return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
},stat:(path, dontFollow) => {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
var node = lookup.node;
if (!node) {
throw new FS.ErrnoError(44);
}
if (!node.node_ops.getattr) {
throw new FS.ErrnoError(63);
}
return node.node_ops.getattr(node);
},lstat:(path) => {
return FS.stat(path, true);
},chmod:(path, mode, dontFollow) => {
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
node = lookup.node;
} else {
node = path;
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63);
}
node.node_ops.setattr(node, {
mode: (mode & 4095) | (node.mode & ~4095),
timestamp: Date.now()
});
},lchmod:(path, mode) => {
FS.chmod(path, mode, true);
},fchmod:(fd, mode) => {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
FS.chmod(stream.node, mode);
},chown:(path, uid, gid, dontFollow) => {
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
node = lookup.node;
} else {
node = path;
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63);
}
node.node_ops.setattr(node, {
timestamp: Date.now()
// we ignore the uid / gid for now
});
},lchown:(path, uid, gid) => {
FS.chown(path, uid, gid, true);
},fchown:(fd, uid, gid) => {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
FS.chown(stream.node, uid, gid);
},truncate:(path, len) => {
if (len < 0) {
throw new FS.ErrnoError(28);
}
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: true });
node = lookup.node;
} else {
node = path;
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63);
}
if (FS.isDir(node.mode)) {
throw new FS.ErrnoError(31);
}
if (!FS.isFile(node.mode)) {
throw new FS.ErrnoError(28);
}
var errCode = FS.nodePermissions(node, 'w');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
node.node_ops.setattr(node, {
size: len,
timestamp: Date.now()
});
},ftruncate:(fd, len) => {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(28);
}
FS.truncate(stream.node, len);
},utime:(path, atime, mtime) => {
var lookup = FS.lookupPath(path, { follow: true });
var node = lookup.node;
node.node_ops.setattr(node, {
timestamp: Math.max(atime, mtime)
});
},open:(path, flags, mode, fd_start, fd_end) => {
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)) {
FS.truncate(node, 0);
}
// we've already handled these, don't pass down to the underlying vfs
flags &= ~(128 | 512 | 131072);
// register the stream with the filesystem
var stream = FS.createStream({
node: node,
path: FS.getPath(node), // we want the absolute path to the node
flags: flags,
seekable: true,
position: 0,
stream_ops: node.stream_ops,
// used by the file family libc calls (fopen, fwrite, ferror, etc.)
ungotten: [],
error: false
}, fd_start, fd_end);
// call the new stream's open function
if (stream.stream_ops.open) {
stream.stream_ops.open(stream);
}
if (Module['logReadFiles'] && !(flags & 1)) {
if (!FS.readFiles) FS.readFiles = {};
if (!(path in FS.readFiles)) {
FS.readFiles[path] = 1;
}
}
return stream;
},close:(stream) => {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if (stream.getdents) stream.getdents = null; // free readdir state
try {
if (stream.stream_ops.close) {
stream.stream_ops.close(stream);
}
} catch (e) {
throw e;
} finally {
FS.closeStream(stream.fd);
}
stream.fd = null;
},isClosed:(stream) => {
return stream.fd === null;
},llseek:(stream, offset, whence) => {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if (!stream.seekable || !stream.stream_ops.llseek) {
throw new FS.ErrnoError(70);
}
if (whence != 0 && whence != 1 && whence != 2) {
throw new FS.ErrnoError(28);
}
stream.position = stream.stream_ops.llseek(stream, offset, whence);
stream.ungotten = [];
return stream.position;
},read:(stream, buffer, offset, length, position) => {
if (length < 0 || position < 0) {
throw new FS.ErrnoError(28);
}
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if ((stream.flags & 2097155) === 1) {
throw new FS.ErrnoError(8);
}
if (FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(31);
}
if (!stream.stream_ops.read) {
throw new FS.ErrnoError(28);
}
var seeking = typeof position != 'undefined';
if (!seeking) {
position = stream.position;
} else if (!stream.seekable) {
throw new FS.ErrnoError(70);
}
var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
if (!seeking) stream.position += bytesRead;
return bytesRead;
},write:(stream, buffer, offset, length, position, canOwn) => {
if (length < 0 || position < 0) {
throw new FS.ErrnoError(28);
}
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(8);
}
if (FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(31);
}
if (!stream.stream_ops.write) {
throw new FS.ErrnoError(28);
}
if (stream.seekable && stream.flags & 1024) {
// seek to the end before writing in append mode
FS.llseek(stream, 0, 2);
}
var seeking = typeof position != 'undefined';
if (!seeking) {
position = stream.position;
} else if (!stream.seekable) {
throw new FS.ErrnoError(70);
}
var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
if (!seeking) stream.position += bytesWritten;
return bytesWritten;
},allocate:(stream, offset, length) => {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if (offset < 0 || length <= 0) {
throw new FS.ErrnoError(28);
}
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(8);
}
if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
if (!stream.stream_ops.allocate) {
throw new FS.ErrnoError(138);
}
stream.stream_ops.allocate(stream, offset, length);
},mmap:(stream, address, 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, address, length, position, prot, flags);
},msync:(stream, buffer, offset, length, mmapFlags) => {
if (!stream || !stream.stream_ops.msync) {
return 0;
}
return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
},munmap:(stream) => 0,ioctl:(stream, cmd, arg) => {
if (!stream.stream_ops.ioctl) {
throw new FS.ErrnoError(59);
}
return stream.stream_ops.ioctl(stream, cmd, arg);
},readFile:(path, opts = {}) => {
opts.flags = opts.flags || 0;
opts.encoding = opts.encoding || 'binary';
if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {
throw new Error('Invalid encoding type "' + opts.encoding + '"');
}
var ret;
var stream = FS.open(path, opts.flags);
var stat = FS.stat(path);
var length = stat.size;
var buf = new Uint8Array(length);
FS.read(stream, buf, 0, length, 0);
if (opts.encoding === 'utf8') {
ret = UTF8ArrayToString(buf, 0);
} else if (opts.encoding === 'binary') {
ret = buf;
}
FS.close(stream);
return ret;
},writeFile:(path, data, opts = {}) => {
opts.flags = opts.flags || 577;
var stream = FS.open(path, opts.flags, opts.mode);
if (typeof data == 'string') {
var buf = new Uint8Array(lengthBytesUTF8(data)+1);
var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
} else if (ArrayBuffer.isView(data)) {
FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
} else {
throw new Error('Unsupported data type');
}
FS.close(stream);
},cwd:() => FS.currentPath,chdir:(path) => {
var lookup = FS.lookupPath(path, { follow: true });
if (lookup.node === null) {
throw new FS.ErrnoError(44);
}
if (!FS.isDir(lookup.node.mode)) {
throw new FS.ErrnoError(54);
}
var errCode = FS.nodePermissions(lookup.node, 'x');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
FS.currentPath = lookup.path;
},createDefaultDirectories:() => {
FS.mkdir('/tmp');
FS.mkdir('/home');
FS.mkdir('/home/web_user');
},createDefaultDevices:() => {
// create /dev
FS.mkdir('/dev');
// setup /dev/null
FS.registerDevice(FS.makedev(1, 3), {
read: () => 0,
write: (stream, buffer, offset, length, pos) => length,
});
FS.mkdev('/dev/null', FS.makedev(1, 3));
// setup /dev/tty and /dev/tty1
// stderr needs to print output using err() rather than out()
// so we register a second tty just for it.
TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
FS.mkdev('/dev/tty', FS.makedev(5, 0));
FS.mkdev('/dev/tty1', FS.makedev(6, 0));
// setup /dev/[u]random
var random_device = getRandomDevice();
FS.createDevice('/dev', 'random', random_device);
FS.createDevice('/dev', 'urandom', random_device);
// we're not going to emulate the actual shm device,
// just create the tmp dirs that reside in it commonly
FS.mkdir('/dev/shm');
FS.mkdir('/dev/shm/tmp');
},createSpecialDirectories:() => {
// create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
// name of the stream for fd 6 (see test_unistd_ttyname)
FS.mkdir('/proc');
var proc_self = FS.mkdir('/proc/self');
FS.mkdir('/proc/self/fd');
FS.mount({
mount: () => {
var node = FS.createNode(proc_self, 'fd', 16384 | 511 /* 0777 */, 73);
node.node_ops = {
lookup: (parent, name) => {
var fd = +name;
var stream = FS.getStream(fd);
if (!stream) throw new FS.ErrnoError(8);
var ret = {
parent: null,
mount: { mountpoint: 'fake' },
node_ops: { readlink: () => stream.path },
};
ret.parent = ret; // make it look like a simple root node
return ret;
}
};
return node;
}
}, {}, '/proc/self/fd');
},createStandardStreams:() => {
// TODO deprecate the old functionality of a single
// input / output callback and that utilizes FS.createDevice
// and instead require a unique set of stream ops
// by default, we symlink the standard streams to the
// default tty devices. however, if the standard streams
// have been overwritten we create a unique device for
// them instead.
if (Module['stdin']) {
FS.createDevice('/dev', 'stdin', Module['stdin']);
} else {
FS.symlink('/dev/tty', '/dev/stdin');
}
if (Module['stdout']) {
FS.createDevice('/dev', 'stdout', null, Module['stdout']);
} else {
FS.symlink('/dev/tty', '/dev/stdout');
}
if (Module['stderr']) {
FS.createDevice('/dev', 'stderr', null, Module['stderr']);
} else {
FS.symlink('/dev/tty1', '/dev/stderr');
}
// open default streams for the stdin, stdout and stderr devices
var stdin = FS.open('/dev/stdin', 0);
var stdout = FS.open('/dev/stdout', 1);
var stderr = FS.open('/dev/stderr', 1);
assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')');
assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')');
assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')');
},ensureErrnoError:() => {
if (FS.ErrnoError) return;
FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) {
this.node = node;
this.setErrno = /** @this{Object} */ function(errno) {
this.errno = errno;
for (var key in ERRNO_CODES) {
if (ERRNO_CODES[key] === errno) {
this.code = key;
break;
}
}
};
this.setErrno(errno);
this.message = ERRNO_MESSAGES[errno];
// Try to get a maximally helpful stack trace. On Node.js, getting Error.stack
// now ensures it shows what we want.
if (this.stack) {
// Define the stack property for Node.js 4, which otherwise errors on the next line.
Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true });
this.stack = demangleAll(this.stack);
}
};
FS.ErrnoError.prototype = new Error();
FS.ErrnoError.prototype.constructor = FS.ErrnoError;
// Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info)
[44].forEach((code) => {
FS.genericErrors[code] = new FS.ErrnoError(code);
FS.genericErrors[code].stack = '<generic error, no stack>';
});
},staticInit:() => {
FS.ensureErrnoError();
FS.nameTable = new Array(4096);
FS.mount(MEMFS, {}, '/');
FS.createDefaultDirectories();
FS.createDefaultDevices();
FS.createSpecialDirectories();
FS.filesystems = {
'MEMFS': MEMFS,
};
},init:(input, output, error) => {
assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)');
FS.init.initialized = true;
FS.ensureErrnoError();
// Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
Module['stdin'] = input || Module['stdin'];
Module['stdout'] = output || Module['stdout'];
Module['stderr'] = error || Module['stderr'];
FS.createStandardStreams();
},quit:() => {
FS.init.initialized = false;
// Call musl-internal function to close all stdio streams, so nothing is
// left in internal buffers.
___stdio_exit();
// close all of our streams
for (var i = 0; i < FS.streams.length; i++) {
var stream = FS.streams[i];
if (!stream) {
continue;
}
FS.close(stream);
}
},getMode:(canRead, canWrite) => {
var mode = 0;
if (canRead) mode |= 292 | 73;
if (canWrite) mode |= 146;
return mode;
},findObject:(path, dontResolveLastLink) => {
var ret = FS.analyzePath(path, dontResolveLastLink);
if (ret.exists) {
return ret.object;
} else {
return null;
}
},analyzePath:(path, dontResolveLastLink) => {
// operate from within the context of the symlink's target
try {
var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
path = lookup.path;
} catch (e) {
}
var ret = {
isRoot: false, exists: false, error: 0, name: null, path: null, object: null,
parentExists: false, parentPath: null, parentObject: null
};
try {
var lookup = FS.lookupPath(path, { parent: true });
ret.parentExists = true;
ret.parentPath = lookup.path;
ret.parentObject = lookup.node;
ret.name = PATH.basename(path);
lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
ret.exists = true;
ret.path = lookup.path;
ret.object = lookup.node;
ret.name = lookup.node.name;
ret.isRoot = lookup.path === '/';
} catch (e) {
ret.error = e.errno;
};
return ret;
},createPath:(parent, path, canRead, canWrite) => {
parent = typeof parent == 'string' ? parent : FS.getPath(parent);
var parts = path.split('/').reverse();
while (parts.length) {
var part = parts.pop();
if (!part) continue;
var current = PATH.join2(parent, part);
try {
FS.mkdir(current);
} catch (e) {
// ignore EEXIST
}
parent = current;
}
return current;
},createFile:(parent, name, properties, canRead, canWrite) => {
var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name);
var mode = FS.getMode(canRead, canWrite);
return FS.create(path, mode);
},createDataFile:(parent, name, data, canRead, canWrite, canOwn) => {
var path = name;
if (parent) {
parent = typeof parent == 'string' ? parent : FS.getPath(parent);
path = name ? PATH.join2(parent, name) : parent;
}
var mode = FS.getMode(canRead, canWrite);
var node = FS.create(path, mode);
if (data) {
if (typeof data == 'string') {
var arr = new Array(data.length);
for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
data = arr;
}
// make sure we can write to the file
FS.chmod(node, mode | 146);
var stream = FS.open(node, 577);
FS.write(stream, data, 0, data.length, 0, canOwn);
FS.close(stream);
FS.chmod(node, mode);
}
return node;
},createDevice:(parent, name, input, output) => {
var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name);
var mode = FS.getMode(!!input, !!output);
if (!FS.createDevice.major) FS.createDevice.major = 64;
var dev = FS.makedev(FS.createDevice.major++, 0);
// Create a fake device that a set of stream ops to emulate
// the old behavior.
FS.registerDevice(dev, {
open: (stream) => {
stream.seekable = false;
},
close: (stream) => {
// flush any pending line data
if (output && output.buffer && output.buffer.length) {
output(10);
}
},
read: (stream, buffer, offset, length, pos /* ignored */) => {
var bytesRead = 0;
for (var i = 0; i < length; i++) {
var result;
try {
result = input();
} catch (e) {
throw new FS.ErrnoError(29);
}
if (result === undefined && bytesRead === 0) {
throw new FS.ErrnoError(6);
}
if (result === null || result === undefined) break;
bytesRead++;
buffer[offset+i] = result;
}
if (bytesRead) {
stream.node.timestamp = Date.now();
}
return bytesRead;
},
write: (stream, buffer, offset, length, pos) => {
for (var i = 0; i < length; i++) {
try {
output(buffer[offset+i]);
} catch (e) {
throw new FS.ErrnoError(29);
}
}
if (length) {
stream.node.timestamp = Date.now();
}
return i;
}
});
return FS.mkdev(path, mode, dev);
},forceLoadFile:(obj) => {
if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
if (typeof XMLHttpRequest != 'undefined') {
throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
} else if (read_) {
// Command-line.
try {
// WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
// read() will try to parse UTF8.
obj.contents = intArrayFromString(read_(obj.url), true);
obj.usedBytes = obj.contents.length;
} catch (e) {
throw new FS.ErrnoError(29);
}
} else {
throw new Error('Cannot load without read() or XMLHttpRequest.');
}
},createLazyFile:(parent, name, url, canRead, canWrite) => {
// Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
/** @constructor */
function LazyUint8Array() {
this.lengthKnown = false;
this.chunks = []; // Loaded chunks. Index is the chunk number
}
LazyUint8Array.prototype.get = /** @this{Object} */ function LazyUint8Array_get(idx) {
if (idx > this.length-1 || idx < 0) {
return undefined;
}
var chunkOffset = idx % this.chunkSize;
var chunkNum = (idx / this.chunkSize)|0;
return this.getter(chunkNum)[chunkOffset];
};
LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
this.getter = getter;
};
LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
// Find length
var xhr = new XMLHttpRequest();
xhr.open('HEAD', url, false);
xhr.send(null);
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
var datalength = Number(xhr.getResponseHeader("Content-length"));
var header;
var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
var chunkSize = 1024*1024; // Chunk size in bytes
if (!hasByteServing) chunkSize = datalength;
// Function to get a range from the remote URL.
var doXHR = (from, to) => {
if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!");
// TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
// Some hints to the browser that we want binary data.
xhr.responseType = 'arraybuffer';
if (xhr.overrideMimeType) {
xhr.overrideMimeType('text/plain; charset=x-user-defined');
}
xhr.send(null);
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
if (xhr.response !== undefined) {
return new Uint8Array(/** @type{Array<number>} */(xhr.response || []));
} else {
return intArrayFromString(xhr.responseText || '', true);
}
};
var lazyArray = this;
lazyArray.setDataGetter((chunkNum) => {
var start = chunkNum * chunkSize;
var end = (chunkNum+1) * chunkSize - 1; // including this byte
end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
if (typeof lazyArray.chunks[chunkNum] == 'undefined') {
lazyArray.chunks[chunkNum] = doXHR(start, end);
}
if (typeof lazyArray.chunks[chunkNum] == 'undefined') throw new Error('doXHR failed!');
return lazyArray.chunks[chunkNum];
});
if (usesGzip || !datalength) {
// if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file
datalength = this.getter(0).length;
chunkSize = datalength;
out("LazyFiles on gzip forces download of the whole file when length is accessed");
}
this._length = datalength;
this._chunkSize = chunkSize;
this.lengthKnown = true;
};
if (typeof XMLHttpRequest != 'undefined') {
if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
var lazyArray = new LazyUint8Array();
Object.defineProperties(lazyArray, {
length: {
get: /** @this{Object} */ function() {
if (!this.lengthKnown) {
this.cacheLength();
}
return this._length;
}
},
chunkSize: {
get: /** @this{Object} */ function() {
if (!this.lengthKnown) {
this.cacheLength();
}
return this._chunkSize;
}
}
});
var properties = { isDevice: false, contents: lazyArray };
} else {
var properties = { isDevice: false, url: url };
}
var node = FS.createFile(parent, name, properties, canRead, canWrite);
// This is a total hack, but I want to get this lazy file code out of the
// core of MEMFS. If we want to keep this lazy file concept I feel it should
// be its own thin LAZYFS proxying calls to MEMFS.
if (properties.contents) {
node.contents = properties.contents;
} else if (properties.url) {
node.contents = null;
node.url = properties.url;
}
// Add a function that defers querying the file size until it is asked the first time.
Object.defineProperties(node, {
usedBytes: {
get: /** @this {FSNode} */ function() { return this.contents.length; }
}
});
// override each stream op with one that tries to force load the lazy file first
var stream_ops = {};
var keys = Object.keys(node.stream_ops);
keys.forEach((key) => {
var fn = node.stream_ops[key];
stream_ops[key] = function forceLoadLazyFile() {
FS.forceLoadFile(node);
return fn.apply(null, arguments);
};
});
// use a custom read function
stream_ops.read = (stream, buffer, offset, length, position) => {
FS.forceLoadFile(node);
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;
};
node.stream_ops = stream_ops;
return node;
},createPreloadedFile:(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
// TODO we should allow people to just pass in a complete filename instead
// of parent and name being that we just join them anyways
var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
var dep = getUniqueRunDependency('cp ' + fullname); // might have several active requests for the same fullname
function processData(byteArray) {
function finish(byteArray) {
if (preFinish) preFinish();
if (!dontCreateFile) {
FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
}
if (onload) onload();
removeRunDependency(dep);
}
if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => {
if (onerror) onerror();
removeRunDependency(dep);
})) {
return;
}
finish(byteArray);
}
addRunDependency(dep);
if (typeof url == 'string') {
asyncLoad(url, (byteArray) => processData(byteArray), onerror);
} else {
processData(url);
}
},indexedDB:() => {
return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
},DB_NAME:() => {
return 'EM_FS_' + window.location.pathname;
},DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths, onload, onerror) => {
onload = onload || (() => {});
onerror = onerror || (() => {});
var indexedDB = FS.indexedDB();
try {
var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
} catch (e) {
return onerror(e);
}
openRequest.onupgradeneeded = () => {
out('creating db');
var db = openRequest.result;
db.createObjectStore(FS.DB_STORE_NAME);
};
openRequest.onsuccess = () => {
var db = openRequest.result;
var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite');
var files = transaction.objectStore(FS.DB_STORE_NAME);
var ok = 0, fail = 0, total = paths.length;
function finish() {
if (fail == 0) onload(); else onerror();
}
paths.forEach((path) => {
var putRequest = files.put(FS.analyzePath(path).object.contents, path);
putRequest.onsuccess = () => { ok++; if (ok + fail == total) finish() };
putRequest.onerror = () => { fail++; if (ok + fail == total) finish() };
});
transaction.onerror = onerror;
};
openRequest.onerror = onerror;
},loadFilesFromDB:(paths, onload, onerror) => {
onload = onload || (() => {});
onerror = onerror || (() => {});
var indexedDB = FS.indexedDB();
try {
var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
} catch (e) {
return onerror(e);
}
openRequest.onupgradeneeded = onerror; // no database to load from
openRequest.onsuccess = () => {
var db = openRequest.result;
try {
var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly');
} catch(e) {
onerror(e);
return;
}
var files = transaction.objectStore(FS.DB_STORE_NAME);
var ok = 0, fail = 0, total = paths.length;
function finish() {
if (fail == 0) onload(); else onerror();
}
paths.forEach((path) => {
var getRequest = files.get(path);
getRequest.onsuccess = () => {
if (FS.analyzePath(path).exists) {
FS.unlink(path);
}
FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
ok++;
if (ok + fail == total) finish();
};
getRequest.onerror = () => { fail++; if (ok + fail == total) finish() };
});
transaction.onerror = onerror;
};
openRequest.onerror = onerror;
},absolutePath:() => {
abort('FS.absolutePath has been removed; use PATH_FS.resolve instead');
},createFolder:() => {
abort('FS.createFolder has been removed; use FS.mkdir instead');
},createLink:() => {
abort('FS.createLink has been removed; use FS.symlink instead');
},joinPath:() => {
abort('FS.joinPath has been removed; use PATH.join instead');
},mmapAlloc:() => {
abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc');
},standardizePath:() => {
abort('FS.standardizePath has been removed; use PATH.normalize instead');
}};
var SYSCALLS = {DEFAULT_POLLMASK:5,calculateAt:function(dirfd, path, allowEmpty) {
if (path[0] === '/') {
return path;
}
// relative path
var dir;
if (dirfd === -100) {
dir = FS.cwd();
} else {
var dirstream = FS.getStream(dirfd);
if (!dirstream) throw new FS.ErrnoError(8);
dir = dirstream.path;
}
if (path.length == 0) {
if (!allowEmpty) {
throw new FS.ErrnoError(44);;
}
return dir;
}
return PATH.join2(dir, path);
},doStat:function(func, path, buf) {
try {
var stat = func(path);
} catch (e) {
if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
// an error occurred while trying to look up the path; we should just report ENOTDIR
return -54;
}
throw e;
}
HEAP32[((buf)>>2)] = stat.dev;
HEAP32[(((buf)+(4))>>2)] = 0;
HEAP32[(((buf)+(8))>>2)] = stat.ino;
HEAP32[(((buf)+(12))>>2)] = stat.mode;
HEAP32[(((buf)+(16))>>2)] = stat.nlink;
HEAP32[(((buf)+(20))>>2)] = stat.uid;
HEAP32[(((buf)+(24))>>2)] = stat.gid;
HEAP32[(((buf)+(28))>>2)] = stat.rdev;
HEAP32[(((buf)+(32))>>2)] = 0;
(tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]);
HEAP32[(((buf)+(48))>>2)] = 4096;
HEAP32[(((buf)+(52))>>2)] = stat.blocks;
HEAP32[(((buf)+(56))>>2)] = (stat.atime.getTime() / 1000)|0;
HEAP32[(((buf)+(60))>>2)] = 0;
HEAP32[(((buf)+(64))>>2)] = (stat.mtime.getTime() / 1000)|0;
HEAP32[(((buf)+(68))>>2)] = 0;
HEAP32[(((buf)+(72))>>2)] = (stat.ctime.getTime() / 1000)|0;
HEAP32[(((buf)+(76))>>2)] = 0;
(tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(80))>>2)] = tempI64[0],HEAP32[(((buf)+(84))>>2)] = tempI64[1]);
return 0;
},doMsync:function(addr, stream, len, flags, offset) {
var buffer = HEAPU8.slice(addr, addr + len);
FS.msync(stream, buffer, offset, len, flags);
},doMkdir:function(path, mode) {
// remove a trailing slash, if one - /a/b/ has basename of '', but
// we want to create b in the context of this function
path = PATH.normalize(path);
if (path[path.length-1] === '/') path = path.substr(0, path.length-1);
FS.mkdir(path, mode, 0);
return 0;
},doMknod:function(path, mode, dev) {
// we don't want this in the JS API as it uses mknod to create all nodes.
switch (mode & 61440) {
case 32768:
case 8192:
case 24576:
case 4096:
case 49152:
break;
default: return -28;
}
FS.mknod(path, mode, dev);
return 0;
},doReadlink:function(path, buf, bufsize) {
if (bufsize <= 0) return -28;
var ret = FS.readlink(path);
var len = Math.min(bufsize, lengthBytesUTF8(ret));
var endChar = HEAP8[buf+len];
stringToUTF8(ret, buf, bufsize+1);
// readlink is one of the rare functions that write out a C string, but does never append a null to the output buffer(!)
// stringToUTF8() always appends a null byte, so restore the character under the null byte after the write.
HEAP8[buf+len] = endChar;
return len;
},doAccess:function(path, amode) {
if (amode & ~7) {
// need a valid mode
return -28;
}
var lookup = FS.lookupPath(path, { follow: true });
var node = lookup.node;
if (!node) {
return -44;
}
var perms = '';
if (amode & 4) perms += 'r';
if (amode & 2) perms += 'w';
if (amode & 1) perms += 'x';
if (perms /* otherwise, they've just passed F_OK */ && FS.nodePermissions(node, perms)) {
return -2;
}
return 0;
},doDup:function(path, flags, suggestFD) {
var suggest = FS.getStream(suggestFD);
if (suggest) FS.close(suggest);
return FS.open(path, flags, 0, suggestFD, suggestFD).fd;
},doReadv:function(stream, iov, iovcnt, offset) {
var ret = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = HEAP32[(((iov)+(i*8))>>2)];
var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
var curr = FS.read(stream, HEAP8,ptr, len, offset);
if (curr < 0) return -1;
ret += curr;
if (curr < len) break; // nothing more to read
}
return ret;
},doWritev:function(stream, iov, iovcnt, offset) {
var ret = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = HEAP32[(((iov)+(i*8))>>2)];
var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
var curr = FS.write(stream, HEAP8,ptr, len, offset);
if (curr < 0) return -1;
ret += curr;
}
return ret;
},varargs:undefined,get:function() {
assert(SYSCALLS.varargs != undefined);
SYSCALLS.varargs += 4;
var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)];
return ret;
},getStr:function(ptr) {
var ret = UTF8ToString(ptr);
return ret;
},getStreamFromFD:function(fd) {
var stream = FS.getStream(fd);
if (!stream) throw new FS.ErrnoError(8);
return stream;
},get64:function(low, high) {
if (low >= 0) assert(high === 0);
else assert(high === -1);
return low;
}};
function ___syscall__newselect(nfds, readfds, writefds, exceptfds, timeout) {
try {
// readfds are supported,
// writefds checks socket open status
// exceptfds not supported
// timeout is always 0 - fully async
assert(nfds <= 64, 'nfds must be less than or equal to 64'); // fd sets have 64 bits // TODO: this could be 1024 based on current musl headers
assert(!exceptfds, 'exceptfds not supported');
var total = 0;
var srcReadLow = (readfds ? HEAP32[((readfds)>>2)] : 0),
srcReadHigh = (readfds ? HEAP32[(((readfds)+(4))>>2)] : 0);
var srcWriteLow = (writefds ? HEAP32[((writefds)>>2)] : 0),
srcWriteHigh = (writefds ? HEAP32[(((writefds)+(4))>>2)] : 0);
var srcExceptLow = (exceptfds ? HEAP32[((exceptfds)>>2)] : 0),
srcExceptHigh = (exceptfds ? HEAP32[(((exceptfds)+(4))>>2)] : 0);
var dstReadLow = 0,
dstReadHigh = 0;
var dstWriteLow = 0,
dstWriteHigh = 0;
var dstExceptLow = 0,
dstExceptHigh = 0;
var allLow = (readfds ? HEAP32[((readfds)>>2)] : 0) |
(writefds ? HEAP32[((writefds)>>2)] : 0) |
(exceptfds ? HEAP32[((exceptfds)>>2)] : 0);
var allHigh = (readfds ? HEAP32[(((readfds)+(4))>>2)] : 0) |
(writefds ? HEAP32[(((writefds)+(4))>>2)] : 0) |
(exceptfds ? HEAP32[(((exceptfds)+(4))>>2)] : 0);
var check = function(fd, low, high, val) {
return (fd < 32 ? (low & val) : (high & val));
};
for (var fd = 0; fd < nfds; fd++) {
var mask = 1 << (fd % 32);
if (!(check(fd, allLow, allHigh, mask))) {
continue; // index isn't in the set
}
var stream = FS.getStream(fd);
if (!stream) throw new FS.ErrnoError(8);
var flags = SYSCALLS.DEFAULT_POLLMASK;
if (stream.stream_ops.poll) {
flags = stream.stream_ops.poll(stream);
}
if ((flags & 1) && check(fd, srcReadLow, srcReadHigh, mask)) {
fd < 32 ? (dstReadLow = dstReadLow | mask) : (dstReadHigh = dstReadHigh | mask);
total++;
}
if ((flags & 4) && check(fd, srcWriteLow, srcWriteHigh, mask)) {
fd < 32 ? (dstWriteLow = dstWriteLow | mask) : (dstWriteHigh = dstWriteHigh | mask);
total++;
}
if ((flags & 2) && check(fd, srcExceptLow, srcExceptHigh, mask)) {
fd < 32 ? (dstExceptLow = dstExceptLow | mask) : (dstExceptHigh = dstExceptHigh | mask);
total++;
}
}
if (readfds) {
HEAP32[((readfds)>>2)] = dstReadLow;
HEAP32[(((readfds)+(4))>>2)] = dstReadHigh;
}
if (writefds) {
HEAP32[((writefds)>>2)] = dstWriteLow;
HEAP32[(((writefds)+(4))>>2)] = dstWriteHigh;
}
if (exceptfds) {
HEAP32[((exceptfds)>>2)] = dstExceptLow;
HEAP32[(((exceptfds)+(4))>>2)] = dstExceptHigh;
}
return total;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_chdir(path) {
try {
path = SYSCALLS.getStr(path);
FS.chdir(path);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_chmod(path, mode) {
try {
path = SYSCALLS.getStr(path);
FS.chmod(path, mode);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_dup3(fd, suggestFD, flags) {
try {
var old = SYSCALLS.getStreamFromFD(fd);
assert(!flags);
if (old.fd === suggestFD) return -28;
return SYSCALLS.doDup(old.path, old.flags, suggestFD);
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function setErrNo(value) {
HEAP32[((___errno_location())>>2)] = value;
return value;
}
function ___syscall_fcntl64(fd, cmd, varargs) {
SYSCALLS.varargs = varargs;
try {
var stream = SYSCALLS.getStreamFromFD(fd);
switch (cmd) {
case 0: {
var arg = SYSCALLS.get();
if (arg < 0) {
return -28;
}
var newStream;
newStream = FS.open(stream.path, stream.flags, 0, arg);
return newStream.fd;
}
case 1:
case 2:
return 0; // FD_CLOEXEC makes no sense for a single process.
case 3:
return stream.flags;
case 4: {
var arg = SYSCALLS.get();
stream.flags |= arg;
return 0;
}
case 5:
/* case 5: Currently in musl F_GETLK64 has same value as F_GETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ {
var arg = SYSCALLS.get();
var offset = 0;
// We're always unlocked.
HEAP16[(((arg)+(offset))>>1)] = 2;
return 0;
}
case 6:
case 7:
/* case 6: Currently in musl F_SETLK64 has same value as F_SETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */
/* case 7: Currently in musl F_SETLKW64 has same value as F_SETLKW, so omitted to avoid duplicate case blocks. If that changes, uncomment this */
return 0; // Pretend that the locking is successful.
case 16:
case 8:
return -28; // These are for sockets. We don't have them fully implemented yet.
case 9:
// musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fnctl() returns that, and we set errno ourselves.
setErrNo(28);
return -1;
default: {
return -28;
}
}
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_fstat64(fd, buf) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
return SYSCALLS.doStat(FS.stat, stream.path, buf);
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_fstatat64(dirfd, path, buf, flags) {
try {
path = SYSCALLS.getStr(path);
var nofollow = flags & 256;
var allowEmpty = flags & 4096;
flags = flags & (~4352);
assert(!flags, flags);
path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
return SYSCALLS.doStat(nofollow ? FS.lstat : FS.stat, path, buf);
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_ftruncate64(fd, low, high) {
try {
var length = SYSCALLS.get64(low, high);
FS.ftruncate(fd, length);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_getcwd(buf, size) {
try {
if (size === 0) return -28;
var cwd = FS.cwd();
var cwdLengthInBytes = lengthBytesUTF8(cwd);
if (size < cwdLengthInBytes + 1) return -68;
stringToUTF8(cwd, buf, size);
return buf;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_getdents64(fd, dirp, count) {
try {
var stream = SYSCALLS.getStreamFromFD(fd)
if (!stream.getdents) {
stream.getdents = FS.readdir(stream.path);
}
var struct_size = 280;
var pos = 0;
var off = FS.llseek(stream, 0, 1);
var idx = Math.floor(off / struct_size);
while (idx < stream.getdents.length && pos + struct_size <= count) {
var id;
var type;
var name = stream.getdents[idx];
if (name === '.') {
id = stream.node.id;
type = 4; // DT_DIR
}
else if (name === '..') {
var lookup = FS.lookupPath(stream.path, { parent: true });
id = lookup.node.id;
type = 4; // DT_DIR
}
else {
var child = FS.lookupNode(stream.node, name);
id = child.id;
type = FS.isChrdev(child.mode) ? 2 : // DT_CHR, character device.
FS.isDir(child.mode) ? 4 : // DT_DIR, directory.
FS.isLink(child.mode) ? 10 : // DT_LNK, symbolic link.
8; // DT_REG, regular file.
}
assert(id);
(tempI64 = [id>>>0,(tempDouble=id,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((dirp + pos)>>2)] = tempI64[0],HEAP32[(((dirp + pos)+(4))>>2)] = tempI64[1]);
(tempI64 = [(idx + 1) * struct_size>>>0,(tempDouble=(idx + 1) * struct_size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((dirp + pos)+(8))>>2)] = tempI64[0],HEAP32[(((dirp + pos)+(12))>>2)] = tempI64[1]);
HEAP16[(((dirp + pos)+(16))>>1)] = 280;
HEAP8[(((dirp + pos)+(18))>>0)] = type;
stringToUTF8(name, dirp + pos + 19, 256);
pos += struct_size;
idx += 1;
}
FS.llseek(stream, idx * struct_size, 0);
return pos;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_ioctl(fd, op, varargs) {
SYSCALLS.varargs = varargs;
try {
var stream = SYSCALLS.getStreamFromFD(fd);
switch (op) {
case 21509:
case 21505: {
if (!stream.tty) return -59;
return 0;
}
case 21510:
case 21511:
case 21512:
case 21506:
case 21507:
case 21508: {
if (!stream.tty) return -59;
return 0; // no-op, not actually adjusting terminal settings
}
case 21519: {
if (!stream.tty) return -59;
var argp = SYSCALLS.get();
HEAP32[((argp)>>2)] = 0;
return 0;
}
case 21520: {
if (!stream.tty) return -59;
return -28; // not supported
}
case 21531: {
var argp = SYSCALLS.get();
return FS.ioctl(stream, op, argp);
}
case 21523: {
// TODO: in theory we should write to the winsize struct that gets
// passed in, but for now musl doesn't read anything on it
if (!stream.tty) return -59;
return 0;
}
case 21524: {
// TODO: technically, this ioctl call should change the window size.
// but, since emscripten doesn't have any concept of a terminal window
// yet, we'll just silently throw it away as we do TIOCGWINSZ
if (!stream.tty) return -59;
return 0;
}
default: abort('bad ioctl syscall ' + op);
}
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_lstat64(path, buf) {
try {
path = SYSCALLS.getStr(path);
return SYSCALLS.doStat(FS.lstat, path, buf);
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_mkdir(path, mode) {
try {
path = SYSCALLS.getStr(path);
return SYSCALLS.doMkdir(path, mode);
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_open(path, flags, varargs) {
SYSCALLS.varargs = varargs;
try {
var pathname = SYSCALLS.getStr(path);
var mode = varargs ? SYSCALLS.get() : 0;
var stream = FS.open(pathname, flags, mode);
return stream.fd;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
var PIPEFS = {BUCKET_BUFFER_SIZE:8192,mount:function (mount) {
// Do not pollute the real root directory or its child nodes with pipes
// Looks like it is OK to create another pseudo-root node not linked to the FS.root hierarchy this way
return FS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
},createPipe:function () {
var pipe = {
buckets: [],
// refcnt 2 because pipe has a read end and a write end. We need to be
// able to read from the read end after write end is closed.
refcnt : 2,
};
pipe.buckets.push({
buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),
offset: 0,
roffset: 0
});
var rName = PIPEFS.nextname();
var wName = PIPEFS.nextname();
var rNode = FS.createNode(PIPEFS.root, rName, 4096, 0);
var wNode = FS.createNode(PIPEFS.root, wName, 4096, 0);
rNode.pipe = pipe;
wNode.pipe = pipe;
var readableStream = FS.createStream({
path: rName,
node: rNode,
flags: 0,
seekable: false,
stream_ops: PIPEFS.stream_ops
});
rNode.stream = readableStream;
var writableStream = FS.createStream({
path: wName,
node: wNode,
flags: 1,
seekable: false,
stream_ops: PIPEFS.stream_ops
});
wNode.stream = writableStream;
return {
readable_fd: readableStream.fd,
writable_fd: writableStream.fd
};
},stream_ops:{poll:function (stream) {
var pipe = stream.node.pipe;
if ((stream.flags & 2097155) === 1) {
return (256 | 4);
} else {
if (pipe.buckets.length > 0) {
for (var i = 0; i < pipe.buckets.length; i++) {
var bucket = pipe.buckets[i];
if (bucket.offset - bucket.roffset > 0) {
return (64 | 1);
}
}
}
}
return 0;
},ioctl:function (stream, request, varargs) {
return 28;
},fsync:function (stream) {
return 28;
},read:function (stream, buffer, offset, length, position /* ignored */) {
var pipe = stream.node.pipe;
var currentLength = 0;
for (var i = 0; i < pipe.buckets.length; i++) {
var bucket = pipe.buckets[i];
currentLength += bucket.offset - bucket.roffset;
}
assert(buffer instanceof ArrayBuffer || ArrayBuffer.isView(buffer));
var data = buffer.subarray(offset, offset + length);
if (length <= 0) {
return 0;
}
if (currentLength == 0) {
// Behave as if the read end is always non-blocking
throw new FS.ErrnoError(6);
}
var toRead = Math.min(currentLength, length);
var totalRead = toRead;
var toRemove = 0;
for (var i = 0; i < pipe.buckets.length; i++) {
var currBucket = pipe.buckets[i];
var bucketSize = currBucket.offset - currBucket.roffset;
if (toRead <= bucketSize) {
var tmpSlice = currBucket.buffer.subarray(currBucket.roffset, currBucket.offset);
if (toRead < bucketSize) {
tmpSlice = tmpSlice.subarray(0, toRead);
currBucket.roffset += toRead;
} else {
toRemove++;
}
data.set(tmpSlice);
break;
} else {
var tmpSlice = currBucket.buffer.subarray(currBucket.roffset, currBucket.offset);
data.set(tmpSlice);
data = data.subarray(tmpSlice.byteLength);
toRead -= tmpSlice.byteLength;
toRemove++;
}
}
if (toRemove && toRemove == pipe.buckets.length) {
// Do not generate excessive garbage in use cases such as
// write several bytes, read everything, write several bytes, read everything...
toRemove--;
pipe.buckets[toRemove].offset = 0;
pipe.buckets[toRemove].roffset = 0;
}
pipe.buckets.splice(0, toRemove);
return totalRead;
},write:function (stream, buffer, offset, length, position /* ignored */) {
var pipe = stream.node.pipe;
assert(buffer instanceof ArrayBuffer || ArrayBuffer.isView(buffer));
var data = buffer.subarray(offset, offset + length);
var dataLen = data.byteLength;
if (dataLen <= 0) {
return 0;
}
var currBucket = null;
if (pipe.buckets.length == 0) {
currBucket = {
buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),
offset: 0,
roffset: 0
};
pipe.buckets.push(currBucket);
} else {
currBucket = pipe.buckets[pipe.buckets.length - 1];
}
assert(currBucket.offset <= PIPEFS.BUCKET_BUFFER_SIZE);
var freeBytesInCurrBuffer = PIPEFS.BUCKET_BUFFER_SIZE - currBucket.offset;
if (freeBytesInCurrBuffer >= dataLen) {
currBucket.buffer.set(data, currBucket.offset);
currBucket.offset += dataLen;
return dataLen;
} else if (freeBytesInCurrBuffer > 0) {
currBucket.buffer.set(data.subarray(0, freeBytesInCurrBuffer), currBucket.offset);
currBucket.offset += freeBytesInCurrBuffer;
data = data.subarray(freeBytesInCurrBuffer, data.byteLength);
}
var numBuckets = (data.byteLength / PIPEFS.BUCKET_BUFFER_SIZE) | 0;
var remElements = data.byteLength % PIPEFS.BUCKET_BUFFER_SIZE;
for (var i = 0; i < numBuckets; i++) {
var newBucket = {
buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),
offset: PIPEFS.BUCKET_BUFFER_SIZE,
roffset: 0
};
pipe.buckets.push(newBucket);
newBucket.buffer.set(data.subarray(0, PIPEFS.BUCKET_BUFFER_SIZE));
data = data.subarray(PIPEFS.BUCKET_BUFFER_SIZE, data.byteLength);
}
if (remElements > 0) {
var newBucket = {
buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),
offset: data.byteLength,
roffset: 0
};
pipe.buckets.push(newBucket);
newBucket.buffer.set(data);
}
return dataLen;
},close:function (stream) {
var pipe = stream.node.pipe;
pipe.refcnt--;
if (pipe.refcnt === 0) {
pipe.buckets = null;
}
}},nextname:function () {
if (!PIPEFS.nextname.current) {
PIPEFS.nextname.current = 0;
}
return 'pipe[' + (PIPEFS.nextname.current++) + ']';
}};
function ___syscall_pipe(fdPtr) {
try {
if (fdPtr == 0) {
throw new FS.ErrnoError(21);
}
var res = PIPEFS.createPipe();
HEAP32[((fdPtr)>>2)] = res.readable_fd;
HEAP32[(((fdPtr)+(4))>>2)] = res.writable_fd;
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_readlink(path, buf, bufsize) {
try {
path = SYSCALLS.getStr(path);
return SYSCALLS.doReadlink(path, buf, bufsize);
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_rename(old_path, new_path) {
try {
old_path = SYSCALLS.getStr(old_path);
new_path = SYSCALLS.getStr(new_path);
FS.rename(old_path, new_path);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_rmdir(path) {
try {
path = SYSCALLS.getStr(path);
FS.rmdir(path);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_stat64(path, buf) {
try {
path = SYSCALLS.getStr(path);
return SYSCALLS.doStat(FS.stat, path, buf);
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_symlink(target, linkpath) {
try {
target = SYSCALLS.getStr(target);
linkpath = SYSCALLS.getStr(linkpath);
FS.symlink(target, linkpath);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_unlink(path) {
try {
path = SYSCALLS.getStr(path);
FS.unlink(path);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function __emscripten_throw_longjmp() { throw 'longjmp'; }
function __localtime_js(time, tmPtr) {
var date = new Date(HEAP32[((time)>>2)]*1000);
HEAP32[((tmPtr)>>2)] = date.getSeconds();
HEAP32[(((tmPtr)+(4))>>2)] = date.getMinutes();
HEAP32[(((tmPtr)+(8))>>2)] = date.getHours();
HEAP32[(((tmPtr)+(12))>>2)] = date.getDate();
HEAP32[(((tmPtr)+(16))>>2)] = date.getMonth();
HEAP32[(((tmPtr)+(20))>>2)] = date.getFullYear()-1900;
HEAP32[(((tmPtr)+(24))>>2)] = date.getDay();
var start = new Date(date.getFullYear(), 0, 1);
var yday = ((date.getTime() - start.getTime()) / (1000 * 60 * 60 * 24))|0;
HEAP32[(((tmPtr)+(28))>>2)] = yday;
HEAP32[(((tmPtr)+(36))>>2)] = -(date.getTimezoneOffset() * 60);
// Attention: DST is in December in South, and some regions don't have DST at all.
var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
var winterOffset = start.getTimezoneOffset();
var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset))|0;
HEAP32[(((tmPtr)+(32))>>2)] = dst;
}
function __mktime_js(tmPtr) {
var date = new Date(HEAP32[(((tmPtr)+(20))>>2)] + 1900,
HEAP32[(((tmPtr)+(16))>>2)],
HEAP32[(((tmPtr)+(12))>>2)],
HEAP32[(((tmPtr)+(8))>>2)],
HEAP32[(((tmPtr)+(4))>>2)],
HEAP32[((tmPtr)>>2)],
0);
// There's an ambiguous hour when the time goes back; the tm_isdst field is
// used to disambiguate it. Date() basically guesses, so we fix it up if it
// guessed wrong, or fill in tm_isdst with the guess if it's -1.
var dst = HEAP32[(((tmPtr)+(32))>>2)];
var guessedOffset = date.getTimezoneOffset();
var start = new Date(date.getFullYear(), 0, 1);
var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
var winterOffset = start.getTimezoneOffset();
var dstOffset = Math.min(winterOffset, summerOffset); // DST is in December in South
if (dst < 0) {
// Attention: some regions don't have DST at all.
HEAP32[(((tmPtr)+(32))>>2)] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
} else if ((dst > 0) != (dstOffset == guessedOffset)) {
var nonDstOffset = Math.max(winterOffset, summerOffset);
var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
// Don't try setMinutes(date.getMinutes() + ...) -- it's messed up.
date.setTime(date.getTime() + (trueOffset - guessedOffset)*60000);
}
HEAP32[(((tmPtr)+(24))>>2)] = date.getDay();
var yday = ((date.getTime() - start.getTime()) / (1000 * 60 * 60 * 24))|0;
HEAP32[(((tmPtr)+(28))>>2)] = yday;
// To match expected behavior, update fields from date
HEAP32[((tmPtr)>>2)] = date.getSeconds();
HEAP32[(((tmPtr)+(4))>>2)] = date.getMinutes();
HEAP32[(((tmPtr)+(8))>>2)] = date.getHours();
HEAP32[(((tmPtr)+(12))>>2)] = date.getDate();
HEAP32[(((tmPtr)+(16))>>2)] = date.getMonth();
return (date.getTime() / 1000)|0;
}
function __munmap_js(addr, len, prot, flags, fd, offset) {
try {
var stream = FS.getStream(fd);
if (stream) {
if (prot & 2) {
SYSCALLS.doMsync(addr, stream, len, flags, offset);
}
FS.munmap(stream);
}
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function _tzset_impl(timezone, daylight, tzname) {
var currentYear = new Date().getFullYear();
var winter = new Date(currentYear, 0, 1);
var summer = new Date(currentYear, 6, 1);
var winterOffset = winter.getTimezoneOffset();
var summerOffset = summer.getTimezoneOffset();
// Local standard timezone offset. Local standard time is not adjusted for daylight savings.
// This code uses the fact that getTimezoneOffset returns a greater value during Standard Time versus Daylight Saving Time (DST).
// Thus it determines the expected output during Standard Time, and it compares whether the output of the given date the same (Standard) or less (DST).
var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
// timezone is specified as seconds west of UTC ("The external variable
// `timezone` shall be set to the difference, in seconds, between
// Coordinated Universal Time (UTC) and local standard time."), the same
// as returned by stdTimezoneOffset.
// See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html
HEAP32[((timezone)>>2)] = stdTimezoneOffset * 60;
HEAP32[((daylight)>>2)] = Number(winterOffset != summerOffset);
function extractZone(date) {
var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
return match ? match[1] : "GMT";
};
var winterName = extractZone(winter);
var summerName = extractZone(summer);
var winterNamePtr = allocateUTF8(winterName);
var summerNamePtr = allocateUTF8(summerName);
if (summerOffset < winterOffset) {
// Northern hemisphere
HEAP32[((tzname)>>2)] = winterNamePtr;
HEAP32[(((tzname)+(4))>>2)] = summerNamePtr;
} else {
HEAP32[((tzname)>>2)] = summerNamePtr;
HEAP32[(((tzname)+(4))>>2)] = winterNamePtr;
}
}
function __tzset_js(timezone, daylight, tzname) {
// TODO: Use (malleable) environment variables instead of system settings.
if (__tzset_js.called) return;
__tzset_js.called = true;
_tzset_impl(timezone, daylight, tzname);
}
function _abort() {
abort('native code called abort()');
}
var _emscripten_get_now;_emscripten_get_now = () => performance.now();
;
var _emscripten_get_now_is_monotonic = true;;
function _clock_gettime(clk_id, tp) {
// int clock_gettime(clockid_t clk_id, struct timespec *tp);
var now;
if (clk_id === 0) {
now = Date.now();
} else if ((clk_id === 1 || clk_id === 4) && _emscripten_get_now_is_monotonic) {
now = _emscripten_get_now();
} else {
setErrNo(28);
return -1;
}
HEAP32[((tp)>>2)] = (now/1000)|0; // seconds
HEAP32[(((tp)+(4))>>2)] = ((now % 1000)*1000*1000)|0; // nanoseconds
return 0;
}
function _emscripten_console_error(str) {
assert(typeof str == 'number');
console.error(UTF8ToString(str));
}
function _emscripten_memcpy_big(dest, src, num) {
HEAPU8.copyWithin(dest, src, src + num);
}
function _emscripten_get_heap_max() {
// Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
// for any code that deals with heap sizes, which would require special
// casing all heap size related code to treat 0 specially.
return 2147483648;
}
function emscripten_realloc_buffer(size) {
try {
// round size grow request up to wasm page size (fixed 64KB per spec)
wasmMemory.grow((size - buffer.byteLength + 65535) >>> 16); // .grow() takes a delta compared to the previous size
updateGlobalBufferAndViews(wasmMemory.buffer);
return 1 /*success*/;
} catch(e) {
err('emscripten_realloc_buffer: Attempted to grow heap from ' + buffer.byteLength + ' bytes to ' + size + ' bytes, but got error: ' + e);
}
// implicit 0 return to save code size (caller will cast "undefined" into 0
// anyhow)
}
function _emscripten_resize_heap(requestedSize) {
var oldSize = HEAPU8.length;
requestedSize = requestedSize >>> 0;
// With pthreads, 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 = _emscripten_get_heap_max();
if (requestedSize > maxHeapSize) {
err('Cannot enlarge memory, asked to go up to ' + requestedSize + ' bytes, but the limit is ' + maxHeapSize + ' bytes!');
return false;
}
// Loop through potential heap size increases. If we attempt a too eager
// reservation that fails, cut down on the attempted size and reserve a
// smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth
// but limit overreserving (default to capping at +96MB overgrowth at most)
overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 );
var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
var replacement = emscripten_realloc_buffer(newSize);
if (replacement) {
return true;
}
}
err('Failed to grow the heap from ' + oldSize + ' bytes to ' + newSize + ' bytes, not enough memory!');
return false;
}
var ENV = {};
function getExecutableName() {
return thisProgram || './this.program';
}
function getEnvStrings() {
if (!getEnvStrings.strings) {
// Default values.
// Browser language detection #8751
var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8';
var env = {
'USER': 'web_user',
'LOGNAME': 'web_user',
'PATH': '/',
'PWD': '/',
'HOME': '/home/web_user',
'LANG': lang,
'_': getExecutableName()
};
// Apply the user-provided values, if any.
for (var x in ENV) {
// x is a key in ENV; if ENV[x] is undefined, that means it was
// explicitly set to be so. We allow user code to do that to
// force variables with default values to remain unset.
if (ENV[x] === undefined) delete env[x];
else env[x] = ENV[x];
}
var strings = [];
for (var x in env) {
strings.push(x + '=' + env[x]);
}
getEnvStrings.strings = strings;
}
return getEnvStrings.strings;
}
function _environ_get(__environ, environ_buf) {
var bufSize = 0;
getEnvStrings().forEach(function(string, i) {
var ptr = environ_buf + bufSize;
HEAP32[(((__environ)+(i * 4))>>2)] = ptr;
writeAsciiToMemory(string, ptr);
bufSize += string.length + 1;
});
return 0;
}
function _environ_sizes_get(penviron_count, penviron_buf_size) {
var strings = getEnvStrings();
HEAP32[((penviron_count)>>2)] = strings.length;
var bufSize = 0;
strings.forEach(function(string) {
bufSize += string.length + 1;
});
HEAP32[((penviron_buf_size)>>2)] = bufSize;
return 0;
}
function _exit(status) {
// void _exit(int status);
// http://pubs.opengroup.org/onlinepubs/000095399/functions/exit.html
exit(status);
}
function _fd_close(fd) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
FS.close(stream);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _fd_fdstat_get(fd, pbuf) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
// All character devices are terminals (other things a Linux system would
// assume is a character device, like the mouse, we have special APIs for).
var type = stream.tty ? 2 :
FS.isDir(stream.mode) ? 3 :
FS.isLink(stream.mode) ? 7 :
4;
HEAP8[((pbuf)>>0)] = type;
// TODO HEAP16[(((pbuf)+(2))>>1)] = ?;
// TODO (tempI64 = [?>>>0,(tempDouble=?,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((pbuf)+(8))>>2)] = tempI64[0],HEAP32[(((pbuf)+(12))>>2)] = tempI64[1]);
// TODO (tempI64 = [?>>>0,(tempDouble=?,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((pbuf)+(16))>>2)] = tempI64[0],HEAP32[(((pbuf)+(20))>>2)] = tempI64[1]);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _fd_pread(fd, iov, iovcnt, offset_low, offset_high, pnum) {
try {
assert(!offset_high, 'offsets over 2^32 not yet supported');
var stream = SYSCALLS.getStreamFromFD(fd)
var num = SYSCALLS.doReadv(stream, iov, iovcnt, offset_low);
HEAP32[((pnum)>>2)] = num;
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _fd_pwrite(fd, iov, iovcnt, offset_low, offset_high, pnum) {
try {
var stream = SYSCALLS.getStreamFromFD(fd)
assert(!offset_high, 'offsets over 2^32 not yet supported');
var num = SYSCALLS.doWritev(stream, iov, iovcnt, offset_low);
HEAP32[((pnum)>>2)] = num;
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _fd_read(fd, iov, iovcnt, pnum) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
var num = SYSCALLS.doReadv(stream, iov, iovcnt);
HEAP32[((pnum)>>2)] = num;
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
var HIGH_OFFSET = 0x100000000; // 2^32
// use an unsigned operator on low and shift high by 32-bits
var offset = offset_high * HIGH_OFFSET + (offset_low >>> 0);
var DOUBLE_LIMIT = 0x20000000000000; // 2^53
// we also check for equality since DOUBLE_LIMIT + 1 == DOUBLE_LIMIT
if (offset <= -DOUBLE_LIMIT || offset >= DOUBLE_LIMIT) {
return -61;
}
FS.llseek(stream, offset, whence);
(tempI64 = [stream.position>>>0,(tempDouble=stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]);
if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _fd_write(fd, iov, iovcnt, pnum) {
try {
;
var stream = SYSCALLS.getStreamFromFD(fd);
var num = SYSCALLS.doWritev(stream, iov, iovcnt);
HEAP32[((pnum)>>2)] = num;
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _getTempRet0() {
return getTempRet0();
}
function _proc_exit(code) {
procExit(code);
}
function _setTempRet0(val) {
setTempRet0(val);
}
function _time(ptr) {
;
var ret = (Date.now()/1000)|0;
if (ptr) {
HEAP32[((ptr)>>2)] = ret;
}
return ret;
}
var FSNode = /** @constructor */ function(parent, name, mode, rdev) {
if (!parent) {
parent = this; // root node sets parent to itself
}
this.parent = parent;
this.mount = parent.mount;
this.mounted = null;
this.id = FS.nextInode++;
this.name = name;
this.mode = mode;
this.node_ops = {};
this.stream_ops = {};
this.rdev = rdev;
};
var readMode = 292/*292*/ | 73/*73*/;
var writeMode = 146/*146*/;
Object.defineProperties(FSNode.prototype, {
read: {
get: /** @this{FSNode} */function() {
return (this.mode & readMode) === readMode;
},
set: /** @this{FSNode} */function(val) {
val ? this.mode |= readMode : this.mode &= ~readMode;
}
},
write: {
get: /** @this{FSNode} */function() {
return (this.mode & writeMode) === writeMode;
},
set: /** @this{FSNode} */function(val) {
val ? this.mode |= writeMode : this.mode &= ~writeMode;
}
},
isFolder: {
get: /** @this{FSNode} */function() {
return FS.isDir(this.mode);
}
},
isDevice: {
get: /** @this{FSNode} */function() {
return FS.isChrdev(this.mode);
}
}
});
FS.FSNode = FSNode;
FS.staticInit();;
ERRNO_CODES = {
'EPERM': 63,
'ENOENT': 44,
'ESRCH': 71,
'EINTR': 27,
'EIO': 29,
'ENXIO': 60,
'E2BIG': 1,
'ENOEXEC': 45,
'EBADF': 8,
'ECHILD': 12,
'EAGAIN': 6,
'EWOULDBLOCK': 6,
'ENOMEM': 48,
'EACCES': 2,
'EFAULT': 21,
'ENOTBLK': 105,
'EBUSY': 10,
'EEXIST': 20,
'EXDEV': 75,
'ENODEV': 43,
'ENOTDIR': 54,
'EISDIR': 31,
'EINVAL': 28,
'ENFILE': 41,
'EMFILE': 33,
'ENOTTY': 59,
'ETXTBSY': 74,
'EFBIG': 22,
'ENOSPC': 51,
'ESPIPE': 70,
'EROFS': 69,
'EMLINK': 34,
'EPIPE': 64,
'EDOM': 18,
'ERANGE': 68,
'ENOMSG': 49,
'EIDRM': 24,
'ECHRNG': 106,
'EL2NSYNC': 156,
'EL3HLT': 107,
'EL3RST': 108,
'ELNRNG': 109,
'EUNATCH': 110,
'ENOCSI': 111,
'EL2HLT': 112,
'EDEADLK': 16,
'ENOLCK': 46,
'EBADE': 113,
'EBADR': 114,
'EXFULL': 115,
'ENOANO': 104,
'EBADRQC': 103,
'EBADSLT': 102,
'EDEADLOCK': 16,
'EBFONT': 101,
'ENOSTR': 100,
'ENODATA': 116,
'ETIME': 117,
'ENOSR': 118,
'ENONET': 119,
'ENOPKG': 120,
'EREMOTE': 121,
'ENOLINK': 47,
'EADV': 122,
'ESRMNT': 123,
'ECOMM': 124,
'EPROTO': 65,
'EMULTIHOP': 36,
'EDOTDOT': 125,
'EBADMSG': 9,
'ENOTUNIQ': 126,
'EBADFD': 127,
'EREMCHG': 128,
'ELIBACC': 129,
'ELIBBAD': 130,
'ELIBSCN': 131,
'ELIBMAX': 132,
'ELIBEXEC': 133,
'ENOSYS': 52,
'ENOTEMPTY': 55,
'ENAMETOOLONG': 37,
'ELOOP': 32,
'EOPNOTSUPP': 138,
'EPFNOSUPPORT': 139,
'ECONNRESET': 15,
'ENOBUFS': 42,
'EAFNOSUPPORT': 5,
'EPROTOTYPE': 67,
'ENOTSOCK': 57,
'ENOPROTOOPT': 50,
'ESHUTDOWN': 140,
'ECONNREFUSED': 14,
'EADDRINUSE': 3,
'ECONNABORTED': 13,
'ENETUNREACH': 40,
'ENETDOWN': 38,
'ETIMEDOUT': 73,
'EHOSTDOWN': 142,
'EHOSTUNREACH': 23,
'EINPROGRESS': 26,
'EALREADY': 7,
'EDESTADDRREQ': 17,
'EMSGSIZE': 35,
'EPROTONOSUPPORT': 66,
'ESOCKTNOSUPPORT': 137,
'EADDRNOTAVAIL': 4,
'ENETRESET': 39,
'EISCONN': 30,
'ENOTCONN': 53,
'ETOOMANYREFS': 141,
'EUSERS': 136,
'EDQUOT': 19,
'ESTALE': 72,
'ENOTSUP': 138,
'ENOMEDIUM': 148,
'EILSEQ': 25,
'EOVERFLOW': 61,
'ECANCELED': 11,
'ENOTRECOVERABLE': 56,
'EOWNERDEAD': 62,
'ESTRPIPE': 135,
};;
var ASSERTIONS = true;
/** @type {function(string, boolean=, number=)} */
function intArrayFromString(stringy, dontAddNull, length) {
var len = length > 0 ? length : lengthBytesUTF8(stringy)+1;
var u8array = new Array(len);
var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
if (dontAddNull) u8array.length = numBytesWritten;
return u8array;
}
function intArrayToString(array) {
var ret = [];
for (var i = 0; i < array.length; i++) {
var chr = array[i];
if (chr > 0xFF) {
if (ASSERTIONS) {
assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.');
}
chr &= 0xFF;
}
ret.push(String.fromCharCode(chr));
}
return ret.join('');
}
var asmLibraryArg = {
"__syscall__newselect": ___syscall__newselect,
"__syscall_chdir": ___syscall_chdir,
"__syscall_chmod": ___syscall_chmod,
"__syscall_dup3": ___syscall_dup3,
"__syscall_fcntl64": ___syscall_fcntl64,
"__syscall_fstat64": ___syscall_fstat64,
"__syscall_fstatat64": ___syscall_fstatat64,
"__syscall_ftruncate64": ___syscall_ftruncate64,
"__syscall_getcwd": ___syscall_getcwd,
"__syscall_getdents64": ___syscall_getdents64,
"__syscall_ioctl": ___syscall_ioctl,
"__syscall_lstat64": ___syscall_lstat64,
"__syscall_mkdir": ___syscall_mkdir,
"__syscall_open": ___syscall_open,
"__syscall_pipe": ___syscall_pipe,
"__syscall_readlink": ___syscall_readlink,
"__syscall_rename": ___syscall_rename,
"__syscall_rmdir": ___syscall_rmdir,
"__syscall_stat64": ___syscall_stat64,
"__syscall_symlink": ___syscall_symlink,
"__syscall_unlink": ___syscall_unlink,
"_emscripten_throw_longjmp": __emscripten_throw_longjmp,
"_localtime_js": __localtime_js,
"_mktime_js": __mktime_js,
"_munmap_js": __munmap_js,
"_tzset_js": __tzset_js,
"abort": _abort,
"call_method": call_method,
"call_method_str": call_method_str,
"call_method_with_ref": call_method_with_ref,
"call_method_with_ref_ref": call_method_with_ref_ref,
"clock_gettime": _clock_gettime,
"emscripten_console_error": _emscripten_console_error,
"emscripten_memcpy_big": _emscripten_memcpy_big,
"emscripten_resize_heap": _emscripten_resize_heap,
"environ_get": _environ_get,
"environ_sizes_get": _environ_sizes_get,
"exit": _exit,
"fd_close": _fd_close,
"fd_fdstat_get": _fd_fdstat_get,
"fd_pread": _fd_pread,
"fd_pwrite": _fd_pwrite,
"fd_read": _fd_read,
"fd_seek": _fd_seek,
"fd_write": _fd_write,
"getTempRet0": _getTempRet0,
"get_element": get_element,
"get_length": get_length,
"get_property": get_property,
"init_js_refs": init_js_refs,
"init_js_type_offsets": init_js_type_offsets,
"invoke_iiii": invoke_iiii,
"invoke_vi": invoke_vi,
"invoke_viii": invoke_viii,
"is_array_like": is_array_like,
"js_add_event_listener": js_add_event_listener,
"js_get_type_info": js_get_type_info,
"proc_exit": _proc_exit,
"setTempRet0": _setTempRet0,
"set_property": set_property,
"setup_binary_handler": setup_binary_handler,
"setup_promise_handler": setup_promise_handler,
"time": _time
};
var asm = createWasm();
/** @type {function(...*):?} */
var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors");
/** @type {function(...*):?} */
var _mrbc_tick = Module["_mrbc_tick"] = createExportWrapper("mrbc_tick");
/** @type {function(...*):?} */
var _mrbc_run_step = Module["_mrbc_run_step"] = createExportWrapper("mrbc_run_step");
/** @type {function(...*):?} */
var _call_ruby_callback = Module["_call_ruby_callback"] = createExportWrapper("call_ruby_callback");
/** @type {function(...*):?} */
var _resume_promise_task = Module["_resume_promise_task"] = createExportWrapper("resume_promise_task");
/** @type {function(...*):?} */
var _resume_binary_task = Module["_resume_binary_task"] = createExportWrapper("resume_binary_task");
/** @type {function(...*):?} */
var _picorb_init = Module["_picorb_init"] = createExportWrapper("picorb_init");
/** @type {function(...*):?} */
var _picorb_create_task = Module["_picorb_create_task"] = createExportWrapper("picorb_create_task");
/** @type {function(...*):?} */
var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location");
/** @type {function(...*):?} */
var ___stdio_exit = Module["___stdio_exit"] = createExportWrapper("__stdio_exit");
/** @type {function(...*):?} */
var _malloc = Module["_malloc"] = createExportWrapper("malloc");
/** @type {function(...*):?} */
var _free = Module["_free"] = createExportWrapper("free");
/** @type {function(...*):?} */
var _emscripten_builtin_memalign = Module["_emscripten_builtin_memalign"] = createExportWrapper("emscripten_builtin_memalign");
/** @type {function(...*):?} */
var _setThrew = Module["_setThrew"] = createExportWrapper("setThrew");
/** @type {function(...*):?} */
var _saveSetjmp = Module["_saveSetjmp"] = createExportWrapper("saveSetjmp");
/** @type {function(...*):?} */
var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() {
return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() {
return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var _emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = function() {
return (_emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() {
return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var stackSave = Module["stackSave"] = createExportWrapper("stackSave");
/** @type {function(...*):?} */
var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore");
/** @type {function(...*):?} */
var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc");
/** @type {function(...*):?} */
var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji");
/** @type {function(...*):?} */
var dynCall_iiiij = Module["dynCall_iiiij"] = createExportWrapper("dynCall_iiiij");
function invoke_iiii(index,a1,a2,a3) {
var sp = stackSave();
try {
return getWasmTableEntry(index)(a1,a2,a3);
} catch(e) {
stackRestore(sp);
if (e !== e+0 && e !== 'longjmp') throw e;
_setThrew(1, 0);
}
}
function invoke_viii(index,a1,a2,a3) {
var sp = stackSave();
try {
getWasmTableEntry(index)(a1,a2,a3);
} catch(e) {
stackRestore(sp);
if (e !== e+0 && e !== 'longjmp') throw e;
_setThrew(1, 0);
}
}
function invoke_vi(index,a1) {
var sp = stackSave();
try {
getWasmTableEntry(index)(a1);
} catch(e) {
stackRestore(sp);
if (e !== e+0 && e !== 'longjmp') throw e;
_setThrew(1, 0);
}
}
// === Auto-generated postamble setup entry stuff ===
if (!Object.getOwnPropertyDescriptor(Module, "intArrayFromString")) Module["intArrayFromString"] = () => abort("'intArrayFromString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "intArrayToString")) Module["intArrayToString"] = () => abort("'intArrayToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
Module["ccall"] = ccall;
Module["cwrap"] = cwrap;
if (!Object.getOwnPropertyDescriptor(Module, "setValue")) Module["setValue"] = () => abort("'setValue' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getValue")) Module["getValue"] = () => abort("'getValue' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "allocate")) Module["allocate"] = () => abort("'allocate' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "UTF8ArrayToString")) Module["UTF8ArrayToString"] = () => abort("'UTF8ArrayToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
Module["UTF8ToString"] = UTF8ToString;
if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF8Array")) Module["stringToUTF8Array"] = () => abort("'stringToUTF8Array' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
Module["stringToUTF8"] = stringToUTF8;
Module["lengthBytesUTF8"] = lengthBytesUTF8;
if (!Object.getOwnPropertyDescriptor(Module, "stackTrace")) Module["stackTrace"] = () => abort("'stackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "addOnPreRun")) Module["addOnPreRun"] = () => abort("'addOnPreRun' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "addOnInit")) Module["addOnInit"] = () => abort("'addOnInit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "addOnPreMain")) Module["addOnPreMain"] = () => abort("'addOnPreMain' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "addOnExit")) Module["addOnExit"] = () => abort("'addOnExit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "addOnPostRun")) Module["addOnPostRun"] = () => abort("'addOnPostRun' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeStringToMemory")) Module["writeStringToMemory"] = () => abort("'writeStringToMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeArrayToMemory")) Module["writeArrayToMemory"] = () => abort("'writeArrayToMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeAsciiToMemory")) Module["writeAsciiToMemory"] = () => abort("'writeAsciiToMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "addRunDependency")) Module["addRunDependency"] = () => abort("'addRunDependency' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you");
if (!Object.getOwnPropertyDescriptor(Module, "removeRunDependency")) Module["removeRunDependency"] = () => abort("'removeRunDependency' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you");
if (!Object.getOwnPropertyDescriptor(Module, "FS_createFolder")) Module["FS_createFolder"] = () => abort("'FS_createFolder' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "FS_createPath")) Module["FS_createPath"] = () => abort("'FS_createPath' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you");
if (!Object.getOwnPropertyDescriptor(Module, "FS_createDataFile")) Module["FS_createDataFile"] = () => abort("'FS_createDataFile' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you");
if (!Object.getOwnPropertyDescriptor(Module, "FS_createPreloadedFile")) Module["FS_createPreloadedFile"] = () => abort("'FS_createPreloadedFile' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you");
if (!Object.getOwnPropertyDescriptor(Module, "FS_createLazyFile")) Module["FS_createLazyFile"] = () => abort("'FS_createLazyFile' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you");
if (!Object.getOwnPropertyDescriptor(Module, "FS_createLink")) Module["FS_createLink"] = () => abort("'FS_createLink' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "FS_createDevice")) Module["FS_createDevice"] = () => abort("'FS_createDevice' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you");
if (!Object.getOwnPropertyDescriptor(Module, "FS_unlink")) Module["FS_unlink"] = () => abort("'FS_unlink' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you");
if (!Object.getOwnPropertyDescriptor(Module, "getLEB")) Module["getLEB"] = () => abort("'getLEB' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getFunctionTables")) Module["getFunctionTables"] = () => abort("'getFunctionTables' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "alignFunctionTables")) Module["alignFunctionTables"] = () => abort("'alignFunctionTables' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerFunctions")) Module["registerFunctions"] = () => abort("'registerFunctions' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "addFunction")) Module["addFunction"] = () => abort("'addFunction' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "removeFunction")) Module["removeFunction"] = () => abort("'removeFunction' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getFuncWrapper")) Module["getFuncWrapper"] = () => abort("'getFuncWrapper' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "prettyPrint")) Module["prettyPrint"] = () => abort("'prettyPrint' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "dynCall")) Module["dynCall"] = () => abort("'dynCall' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getCompilerSetting")) Module["getCompilerSetting"] = () => abort("'getCompilerSetting' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "print")) Module["print"] = () => abort("'print' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "printErr")) Module["printErr"] = () => abort("'printErr' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getTempRet0")) Module["getTempRet0"] = () => abort("'getTempRet0' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "setTempRet0")) Module["setTempRet0"] = () => abort("'setTempRet0' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "callMain")) Module["callMain"] = () => abort("'callMain' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "abort")) Module["abort"] = () => abort("'abort' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "keepRuntimeAlive")) Module["keepRuntimeAlive"] = () => abort("'keepRuntimeAlive' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "zeroMemory")) Module["zeroMemory"] = () => abort("'zeroMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "stringToNewUTF8")) Module["stringToNewUTF8"] = () => abort("'stringToNewUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "emscripten_realloc_buffer")) Module["emscripten_realloc_buffer"] = () => abort("'emscripten_realloc_buffer' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "ENV")) Module["ENV"] = () => abort("'ENV' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "withStackSave")) Module["withStackSave"] = () => abort("'withStackSave' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_CODES")) Module["ERRNO_CODES"] = () => abort("'ERRNO_CODES' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_MESSAGES")) Module["ERRNO_MESSAGES"] = () => abort("'ERRNO_MESSAGES' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "setErrNo")) Module["setErrNo"] = () => abort("'setErrNo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "inetPton4")) Module["inetPton4"] = () => abort("'inetPton4' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "inetNtop4")) Module["inetNtop4"] = () => abort("'inetNtop4' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "inetPton6")) Module["inetPton6"] = () => abort("'inetPton6' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "inetNtop6")) Module["inetNtop6"] = () => abort("'inetNtop6' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "readSockaddr")) Module["readSockaddr"] = () => abort("'readSockaddr' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeSockaddr")) Module["writeSockaddr"] = () => abort("'writeSockaddr' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "DNS")) Module["DNS"] = () => abort("'DNS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getHostByName")) Module["getHostByName"] = () => abort("'getHostByName' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "Protocols")) Module["Protocols"] = () => abort("'Protocols' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "Sockets")) Module["Sockets"] = () => abort("'Sockets' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getRandomDevice")) Module["getRandomDevice"] = () => abort("'getRandomDevice' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "traverseStack")) Module["traverseStack"] = () => abort("'traverseStack' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "convertFrameToPC")) Module["convertFrameToPC"] = () => abort("'convertFrameToPC' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "UNWIND_CACHE")) Module["UNWIND_CACHE"] = () => abort("'UNWIND_CACHE' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "saveInUnwindCache")) Module["saveInUnwindCache"] = () => abort("'saveInUnwindCache' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "convertPCtoSourceLocation")) Module["convertPCtoSourceLocation"] = () => abort("'convertPCtoSourceLocation' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgsArray")) Module["readAsmConstArgsArray"] = () => abort("'readAsmConstArgsArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgs")) Module["readAsmConstArgs"] = () => abort("'readAsmConstArgs' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "mainThreadEM_ASM")) Module["mainThreadEM_ASM"] = () => abort("'mainThreadEM_ASM' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "jstoi_q")) Module["jstoi_q"] = () => abort("'jstoi_q' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "jstoi_s")) Module["jstoi_s"] = () => abort("'jstoi_s' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getExecutableName")) Module["getExecutableName"] = () => abort("'getExecutableName' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "listenOnce")) Module["listenOnce"] = () => abort("'listenOnce' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "autoResumeAudioContext")) Module["autoResumeAudioContext"] = () => abort("'autoResumeAudioContext' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "dynCallLegacy")) Module["dynCallLegacy"] = () => abort("'dynCallLegacy' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getDynCaller")) Module["getDynCaller"] = () => abort("'getDynCaller' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "dynCall")) Module["dynCall"] = () => abort("'dynCall' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "callRuntimeCallbacks")) Module["callRuntimeCallbacks"] = () => abort("'callRuntimeCallbacks' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "wasmTableMirror")) Module["wasmTableMirror"] = () => abort("'wasmTableMirror' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "setWasmTableEntry")) Module["setWasmTableEntry"] = () => abort("'setWasmTableEntry' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getWasmTableEntry")) Module["getWasmTableEntry"] = () => abort("'getWasmTableEntry' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "handleException")) Module["handleException"] = () => abort("'handleException' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "runtimeKeepalivePush")) Module["runtimeKeepalivePush"] = () => abort("'runtimeKeepalivePush' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "runtimeKeepalivePop")) Module["runtimeKeepalivePop"] = () => abort("'runtimeKeepalivePop' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "callUserCallback")) Module["callUserCallback"] = () => abort("'callUserCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "maybeExit")) Module["maybeExit"] = () => abort("'maybeExit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "safeSetTimeout")) Module["safeSetTimeout"] = () => abort("'safeSetTimeout' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "asmjsMangle")) Module["asmjsMangle"] = () => abort("'asmjsMangle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "asyncLoad")) Module["asyncLoad"] = () => abort("'asyncLoad' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "alignMemory")) Module["alignMemory"] = () => abort("'alignMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "mmapAlloc")) Module["mmapAlloc"] = () => abort("'mmapAlloc' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "reallyNegative")) Module["reallyNegative"] = () => abort("'reallyNegative' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "unSign")) Module["unSign"] = () => abort("'unSign' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "reSign")) Module["reSign"] = () => abort("'reSign' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "formatString")) Module["formatString"] = () => abort("'formatString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "PATH")) Module["PATH"] = () => abort("'PATH' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "PATH_FS")) Module["PATH_FS"] = () => abort("'PATH_FS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "SYSCALLS")) Module["SYSCALLS"] = () => abort("'SYSCALLS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getSocketFromFD")) Module["getSocketFromFD"] = () => abort("'getSocketFromFD' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getSocketAddress")) Module["getSocketAddress"] = () => abort("'getSocketAddress' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "JSEvents")) Module["JSEvents"] = () => abort("'JSEvents' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerKeyEventCallback")) Module["registerKeyEventCallback"] = () => abort("'registerKeyEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "specialHTMLTargets")) Module["specialHTMLTargets"] = () => abort("'specialHTMLTargets' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "maybeCStringToJsString")) Module["maybeCStringToJsString"] = () => abort("'maybeCStringToJsString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "findEventTarget")) Module["findEventTarget"] = () => abort("'findEventTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "findCanvasEventTarget")) Module["findCanvasEventTarget"] = () => abort("'findCanvasEventTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getBoundingClientRect")) Module["getBoundingClientRect"] = () => abort("'getBoundingClientRect' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "fillMouseEventData")) Module["fillMouseEventData"] = () => abort("'fillMouseEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerMouseEventCallback")) Module["registerMouseEventCallback"] = () => abort("'registerMouseEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerWheelEventCallback")) Module["registerWheelEventCallback"] = () => abort("'registerWheelEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerUiEventCallback")) Module["registerUiEventCallback"] = () => abort("'registerUiEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerFocusEventCallback")) Module["registerFocusEventCallback"] = () => abort("'registerFocusEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "fillDeviceOrientationEventData")) Module["fillDeviceOrientationEventData"] = () => abort("'fillDeviceOrientationEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerDeviceOrientationEventCallback")) Module["registerDeviceOrientationEventCallback"] = () => abort("'registerDeviceOrientationEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "fillDeviceMotionEventData")) Module["fillDeviceMotionEventData"] = () => abort("'fillDeviceMotionEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerDeviceMotionEventCallback")) Module["registerDeviceMotionEventCallback"] = () => abort("'registerDeviceMotionEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "screenOrientation")) Module["screenOrientation"] = () => abort("'screenOrientation' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "fillOrientationChangeEventData")) Module["fillOrientationChangeEventData"] = () => abort("'fillOrientationChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerOrientationChangeEventCallback")) Module["registerOrientationChangeEventCallback"] = () => abort("'registerOrientationChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "fillFullscreenChangeEventData")) Module["fillFullscreenChangeEventData"] = () => abort("'fillFullscreenChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerFullscreenChangeEventCallback")) Module["registerFullscreenChangeEventCallback"] = () => abort("'registerFullscreenChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerRestoreOldStyle")) Module["registerRestoreOldStyle"] = () => abort("'registerRestoreOldStyle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "hideEverythingExceptGivenElement")) Module["hideEverythingExceptGivenElement"] = () => abort("'hideEverythingExceptGivenElement' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "restoreHiddenElements")) Module["restoreHiddenElements"] = () => abort("'restoreHiddenElements' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "setLetterbox")) Module["setLetterbox"] = () => abort("'setLetterbox' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "currentFullscreenStrategy")) Module["currentFullscreenStrategy"] = () => abort("'currentFullscreenStrategy' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "restoreOldWindowedStyle")) Module["restoreOldWindowedStyle"] = () => abort("'restoreOldWindowedStyle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "softFullscreenResizeWebGLRenderTarget")) Module["softFullscreenResizeWebGLRenderTarget"] = () => abort("'softFullscreenResizeWebGLRenderTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "doRequestFullscreen")) Module["doRequestFullscreen"] = () => abort("'doRequestFullscreen' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "fillPointerlockChangeEventData")) Module["fillPointerlockChangeEventData"] = () => abort("'fillPointerlockChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerPointerlockChangeEventCallback")) Module["registerPointerlockChangeEventCallback"] = () => abort("'registerPointerlockChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerPointerlockErrorEventCallback")) Module["registerPointerlockErrorEventCallback"] = () => abort("'registerPointerlockErrorEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "requestPointerLock")) Module["requestPointerLock"] = () => abort("'requestPointerLock' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "fillVisibilityChangeEventData")) Module["fillVisibilityChangeEventData"] = () => abort("'fillVisibilityChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerVisibilityChangeEventCallback")) Module["registerVisibilityChangeEventCallback"] = () => abort("'registerVisibilityChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerTouchEventCallback")) Module["registerTouchEventCallback"] = () => abort("'registerTouchEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "fillGamepadEventData")) Module["fillGamepadEventData"] = () => abort("'fillGamepadEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerGamepadEventCallback")) Module["registerGamepadEventCallback"] = () => abort("'registerGamepadEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerBeforeUnloadEventCallback")) Module["registerBeforeUnloadEventCallback"] = () => abort("'registerBeforeUnloadEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "fillBatteryEventData")) Module["fillBatteryEventData"] = () => abort("'fillBatteryEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "battery")) Module["battery"] = () => abort("'battery' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "registerBatteryEventCallback")) Module["registerBatteryEventCallback"] = () => abort("'registerBatteryEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "setCanvasElementSize")) Module["setCanvasElementSize"] = () => abort("'setCanvasElementSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getCanvasElementSize")) Module["getCanvasElementSize"] = () => abort("'getCanvasElementSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "demangle")) Module["demangle"] = () => abort("'demangle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "demangleAll")) Module["demangleAll"] = () => abort("'demangleAll' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "jsStackTrace")) Module["jsStackTrace"] = () => abort("'jsStackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "stackTrace")) Module["stackTrace"] = () => abort("'stackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getEnvStrings")) Module["getEnvStrings"] = () => abort("'getEnvStrings' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "checkWasiClock")) Module["checkWasiClock"] = () => abort("'checkWasiClock' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64")) Module["writeI53ToI64"] = () => abort("'writeI53ToI64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64Clamped")) Module["writeI53ToI64Clamped"] = () => abort("'writeI53ToI64Clamped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64Signaling")) Module["writeI53ToI64Signaling"] = () => abort("'writeI53ToI64Signaling' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToU64Clamped")) Module["writeI53ToU64Clamped"] = () => abort("'writeI53ToU64Clamped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToU64Signaling")) Module["writeI53ToU64Signaling"] = () => abort("'writeI53ToU64Signaling' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "readI53FromI64")) Module["readI53FromI64"] = () => abort("'readI53FromI64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "readI53FromU64")) Module["readI53FromU64"] = () => abort("'readI53FromU64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "convertI32PairToI53")) Module["convertI32PairToI53"] = () => abort("'convertI32PairToI53' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "convertU32PairToI53")) Module["convertU32PairToI53"] = () => abort("'convertU32PairToI53' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "setImmediateWrapped")) Module["setImmediateWrapped"] = () => abort("'setImmediateWrapped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "clearImmediateWrapped")) Module["clearImmediateWrapped"] = () => abort("'clearImmediateWrapped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "polyfillSetImmediate")) Module["polyfillSetImmediate"] = () => abort("'polyfillSetImmediate' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "uncaughtExceptionCount")) Module["uncaughtExceptionCount"] = () => abort("'uncaughtExceptionCount' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "exceptionLast")) Module["exceptionLast"] = () => abort("'exceptionLast' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "exceptionCaught")) Module["exceptionCaught"] = () => abort("'exceptionCaught' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "ExceptionInfo")) Module["ExceptionInfo"] = () => abort("'ExceptionInfo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "CatchInfo")) Module["CatchInfo"] = () => abort("'CatchInfo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "exception_addRef")) Module["exception_addRef"] = () => abort("'exception_addRef' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "exception_decRef")) Module["exception_decRef"] = () => abort("'exception_decRef' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "Browser")) Module["Browser"] = () => abort("'Browser' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "funcWrappers")) Module["funcWrappers"] = () => abort("'funcWrappers' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "getFuncWrapper")) Module["getFuncWrapper"] = () => abort("'getFuncWrapper' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "setMainLoop")) Module["setMainLoop"] = () => abort("'setMainLoop' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "wget")) Module["wget"] = () => abort("'wget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "FS")) Module["FS"] = () => abort("'FS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "MEMFS")) Module["MEMFS"] = () => abort("'MEMFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "TTY")) Module["TTY"] = () => abort("'TTY' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "PIPEFS")) Module["PIPEFS"] = () => abort("'PIPEFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "SOCKFS")) Module["SOCKFS"] = () => abort("'SOCKFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "_setNetworkCallback")) Module["_setNetworkCallback"] = () => abort("'_setNetworkCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "tempFixedLengthArray")) Module["tempFixedLengthArray"] = () => abort("'tempFixedLengthArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "miniTempWebGLFloatBuffers")) Module["miniTempWebGLFloatBuffers"] = () => abort("'miniTempWebGLFloatBuffers' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "heapObjectForWebGLType")) Module["heapObjectForWebGLType"] = () => abort("'heapObjectForWebGLType' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "heapAccessShiftForWebGLHeap")) Module["heapAccessShiftForWebGLHeap"] = () => abort("'heapAccessShiftForWebGLHeap' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "GL")) Module["GL"] = () => abort("'GL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGet")) Module["emscriptenWebGLGet"] = () => abort("'emscriptenWebGLGet' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "computeUnpackAlignedImageSize")) Module["computeUnpackAlignedImageSize"] = () => abort("'computeUnpackAlignedImageSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetTexPixelData")) Module["emscriptenWebGLGetTexPixelData"] = () => abort("'emscriptenWebGLGetTexPixelData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetUniform")) Module["emscriptenWebGLGetUniform"] = () => abort("'emscriptenWebGLGetUniform' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "webglGetUniformLocation")) Module["webglGetUniformLocation"] = () => abort("'webglGetUniformLocation' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "webglPrepareUniformLocationsBeforeFirstUse")) Module["webglPrepareUniformLocationsBeforeFirstUse"] = () => abort("'webglPrepareUniformLocationsBeforeFirstUse' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "webglGetLeftBracePos")) Module["webglGetLeftBracePos"] = () => abort("'webglGetLeftBracePos' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetVertexAttrib")) Module["emscriptenWebGLGetVertexAttrib"] = () => abort("'emscriptenWebGLGetVertexAttrib' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "writeGLArray")) Module["writeGLArray"] = () => abort("'writeGLArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "AL")) Module["AL"] = () => abort("'AL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "SDL_unicode")) Module["SDL_unicode"] = () => abort("'SDL_unicode' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "SDL_ttfContext")) Module["SDL_ttfContext"] = () => abort("'SDL_ttfContext' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "SDL_audio")) Module["SDL_audio"] = () => abort("'SDL_audio' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "SDL")) Module["SDL"] = () => abort("'SDL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "SDL_gfx")) Module["SDL_gfx"] = () => abort("'SDL_gfx' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "GLUT")) Module["GLUT"] = () => abort("'GLUT' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "EGL")) Module["EGL"] = () => abort("'EGL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "GLFW_Window")) Module["GLFW_Window"] = () => abort("'GLFW_Window' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "GLFW")) Module["GLFW"] = () => abort("'GLFW' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "GLEW")) Module["GLEW"] = () => abort("'GLEW' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "IDBStore")) Module["IDBStore"] = () => abort("'IDBStore' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "runAndAbortIfError")) Module["runAndAbortIfError"] = () => abort("'runAndAbortIfError' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "warnOnce")) Module["warnOnce"] = () => abort("'warnOnce' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "stackSave")) Module["stackSave"] = () => abort("'stackSave' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "stackRestore")) Module["stackRestore"] = () => abort("'stackRestore' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "stackAlloc")) Module["stackAlloc"] = () => abort("'stackAlloc' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "AsciiToString")) Module["AsciiToString"] = () => abort("'AsciiToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "stringToAscii")) Module["stringToAscii"] = () => abort("'stringToAscii' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "UTF16ToString")) Module["UTF16ToString"] = () => abort("'UTF16ToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF16")) Module["stringToUTF16"] = () => abort("'stringToUTF16' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF16")) Module["lengthBytesUTF16"] = () => abort("'lengthBytesUTF16' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "UTF32ToString")) Module["UTF32ToString"] = () => abort("'UTF32ToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF32")) Module["stringToUTF32"] = () => abort("'stringToUTF32' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF32")) Module["lengthBytesUTF32"] = () => abort("'lengthBytesUTF32' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "allocateUTF8")) Module["allocateUTF8"] = () => abort("'allocateUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
if (!Object.getOwnPropertyDescriptor(Module, "allocateUTF8OnStack")) Module["allocateUTF8OnStack"] = () => abort("'allocateUTF8OnStack' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)");
Module["writeStackCookie"] = writeStackCookie;
Module["checkStackCookie"] = checkStackCookie;
if (!Object.getOwnPropertyDescriptor(Module, "ALLOC_NORMAL")) Object.defineProperty(Module, "ALLOC_NORMAL", { configurable: true, get: function() { abort("'ALLOC_NORMAL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
if (!Object.getOwnPropertyDescriptor(Module, "ALLOC_STACK")) Object.defineProperty(Module, "ALLOC_STACK", { configurable: true, get: function() { abort("'ALLOC_STACK' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
var calledRun;
/**
* @constructor
* @this {ExitStatus}
*/
function ExitStatus(status) {
this.name = "ExitStatus";
this.message = "Program terminated with exit(" + status + ")";
this.status = status;
}
var calledMain = false;
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.
// TODO(sbc): Move writeStackCookie to native to to avoid this.
_emscripten_stack_init();
writeStackCookie();
}
/** @type {function(Array=)} */
function run(args) {
args = args || arguments_;
if (runDependencies > 0) {
return;
}
stackCheckInit();
preRun();
// a preRun added a dependency, run will be called later
if (runDependencies > 0) {
return;
}
function doRun() {
// run may have just been called through dependencies being fulfilled just in this very frame,
// or while the async setStatus time below was happening
if (calledRun) return;
calledRun = true;
Module['calledRun'] = true;
if (ABORT) return;
initRuntime();
readyPromiseResolve(Module);
if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
assert(!Module['_main'], 'compiled without a main, but one is present. if you added it from JS, use Module["onRuntimeInitialized"]');
postRun();
}
if (Module['setStatus']) {
Module['setStatus']('Running...');
setTimeout(function() {
setTimeout(function() {
Module['setStatus']('');
}, 1);
doRun();
}, 1);
} else
{
doRun();
}
checkStackCookie();
}
Module['run'] = run;
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
___stdio_exit();
// also flush in the JS FS layer
['stdout', 'stderr'].forEach(function(name) {
var info = FS.analyzePath('/dev/' + name);
if (!info) return;
var stream = info.object;
var rdev = stream.rdev;
var tty = TTY.ttys[rdev];
if (tty && tty.output && tty.output.length) {
has = true;
}
});
} catch(e) {}
out = oldOut;
err = oldErr;
if (has) {
warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.');
}
}
/** @param {boolean|number=} implicit */
function exit(status, implicit) {
EXITSTATUS = status;
// Skip this check if the runtime is being kept alive deliberately.
// For example if `exit_with_live_runtime` is called.
if (!runtimeKeepaliveCounter) {
checkUnflushedContent();
}
if (keepRuntimeAlive()) {
// if exit() was called, we may warn the user if the runtime isn't actually being shut down
if (!implicit) {
var msg = 'program exited (with status: ' + status + '), but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)';
readyPromiseReject(msg);
err(msg);
}
} else {
exitRuntime();
}
procExit(status);
}
function procExit(code) {
EXITSTATUS = code;
if (!keepRuntimeAlive()) {
if (Module['onExit']) Module['onExit'](code);
ABORT = true;
}
quit_(code, new ExitStatus(code));
}
if (Module['preInit']) {
if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
while (Module['preInit'].length > 0) {
Module['preInit'].pop()();
}
}
run();
return Module.ready
}
);
})();
export default Module;