@monogrid/gainmap-js
Version:
A Javascript (TypeScript) Port of Adobe Gainmap Technology for storing HDR Images using an SDR Image + a gain map
6,712 lines • 254 kB
JavaScript
/**
* @monogrid/gainmap-js v3.1.0
* With ❤️, by MONOGRID <rnd@monogrid.com>
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.libultrahdr = {}));
})(this, (function (exports) { 'use strict';
var _documentCurrentScript = typeof document !== 'undefined' ? document.currentScript : null;
var Module = (() => {
var _scriptDir = (typeof document === 'undefined' && typeof location === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : typeof document === 'undefined' ? location.href : (_documentCurrentScript && _documentCurrentScript.tagName.toUpperCase() === 'SCRIPT' && _documentCurrentScript.src || new URL('libultrahdr.umd.cjs', document.baseURI).href));
return (
async function(moduleArg = {}) {
// include: shell.js
// The Module object: Our interface to the outside world. We import
// and export values on it. There are various ways Module can be used:
// 1. Not defined. We create it here
// 2. A function parameter, function(Module) { ..generated code.. }
// 3. pre-run appended it, var Module = {}; ..generated code..
// 4. External script tag defines var Module.
// We need to check if Module already exists (e.g. case 3 above).
// Substitution will be replaced with actual code on later stage of the build,
// this way Closure Compiler will not mangle it (e.g. case 4. above).
// Note that if you want to run closure, and also to use Module
// after the generated code, you will need to define var Module = {};
// before the code. Then that object will be used in the code, and you
// can continue to use Module afterwards as well.
var Module = moduleArg;
// Set up the promise that indicates the Module is initialized
var readyPromiseResolve, readyPromiseReject;
Module['ready'] = new Promise((resolve, reject) => {
readyPromiseResolve = resolve;
readyPromiseReject = reject;
});
["_main","_memory","___indirect_function_table","__embind_initialize_bindings","_fflush","onRuntimeInitialized"].forEach((prop) => {
if (!Object.getOwnPropertyDescriptor(Module['ready'], prop)) {
Object.defineProperty(Module['ready'], prop, {
get: () => abort('You are getting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'),
set: () => abort('You are setting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'),
});
}
});
// --pre-jses are emitted after the Module integration code, so that they can
// refer to Module (if they choose; they can also define Module)
// Sometimes an existing Module object exists with properties
// meant to overwrite the default module functionality. Here
// we collect those properties and reapply _after_ we configure
// the current environment's defaults to avoid having to be so
// defensive during initialization.
var moduleOverrides = Object.assign({}, Module);
var thisProgram = './this.program';
var quit_ = (status, toThrow) => {
throw toThrow;
};
// Determine the runtime environment we are in. You can customize this by
// setting the ENVIRONMENT setting at compile time (see settings.js).
// Attempt to auto-detect the environment
var ENVIRONMENT_IS_WEB = typeof window == 'object';
var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function';
// N.b. Electron.js environment is simultaneously a NODE-environment, but
// also a web environment.
var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string';
var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
if (Module['ENVIRONMENT']) {
throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)');
}
// `/` should be present at the end if `scriptDirectory` is not empty
var scriptDirectory = '';
function locateFile(path) {
if (Module['locateFile']) {
return Module['locateFile'](path, scriptDirectory);
}
return scriptDirectory + path;
}
// Hooks that are implemented differently in different runtime environments.
var read_,
readAsync,
readBinary;
if (ENVIRONMENT_IS_NODE) {
if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
var nodeVersion = process.versions.node;
var numericVersion = nodeVersion.split('.').slice(0, 3);
numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1);
if (numericVersion < 160000) {
throw new Error('This emscripten-generated code requires node v16.0.0 (detected v' + nodeVersion + ')');
}
// `require()` is no-op in an ESM module, use `createRequire()` to construct
// the require()` function. This is only necessary for multi-environment
// builds, `-sENVIRONMENT=node` emits a static import declaration instead.
// TODO: Swap all `require()`'s with `import()`'s?
const { createRequire } = await import('module');
/** @suppress{duplicate} */
var require$1 = createRequire((typeof document === 'undefined' && typeof location === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : typeof document === 'undefined' ? location.href : (_documentCurrentScript && _documentCurrentScript.tagName.toUpperCase() === 'SCRIPT' && _documentCurrentScript.src || new URL('libultrahdr.umd.cjs', document.baseURI).href)));
// These modules will usually be used on Node.js. Load them eagerly to avoid
// the complexity of lazy-loading.
var fs = require$1('fs');
var nodePath = require$1('path');
if (ENVIRONMENT_IS_WORKER) {
scriptDirectory = nodePath.dirname(scriptDirectory) + '/';
} else {
// EXPORT_ES6 + ENVIRONMENT_IS_NODE always requires use of import.meta.url,
// since there's no way getting the current absolute path of the module when
// support for that is not available.
scriptDirectory = require$1('url').fileURLToPath(new URL('./', (typeof document === 'undefined' && typeof location === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : typeof document === 'undefined' ? location.href : (_documentCurrentScript && _documentCurrentScript.tagName.toUpperCase() === 'SCRIPT' && _documentCurrentScript.src || new URL('libultrahdr.umd.cjs', document.baseURI).href)))); // includes trailing slash
}
// include: node_shell_read.js
read_ = (filename, binary) => {
// We need to re-wrap `file://` strings to URLs. Normalizing isn't
// necessary in that case, the path should already be absolute.
filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
return fs.readFileSync(filename, binary ? undefined : 'utf8');
};
readBinary = (filename) => {
var ret = read_(filename, true);
if (!ret.buffer) {
ret = new Uint8Array(ret);
}
assert(ret.buffer);
return ret;
};
readAsync = (filename, onload, onerror, binary = true) => {
// See the comment in the `read_` function.
filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => {
if (err) onerror(err);
else onload(binary ? data.buffer : data);
});
};
// end include: node_shell_read.js
if (!Module['thisProgram'] && process.argv.length > 1) {
thisProgram = process.argv[1].replace(/\\/g, '/');
}
process.argv.slice(2);
// MODULARIZE will export the module in the proper place outside, we don't need to export here
quit_ = (status, toThrow) => {
process.exitCode = status;
throw toThrow;
};
Module['inspect'] = () => '[Emscripten Module object]';
} else
if (ENVIRONMENT_IS_SHELL) {
if ((typeof process == 'object' && typeof require$1 === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
if (typeof read != 'undefined') {
read_ = read;
}
readBinary = (f) => {
if (typeof readbuffer == 'function') {
return new Uint8Array(readbuffer(f));
}
let data = read(f, 'binary');
assert(typeof data == 'object');
return data;
};
readAsync = (f, onload, onerror) => {
setTimeout(() => onload(readBinary(f)));
};
if (typeof clearTimeout == 'undefined') {
globalThis.clearTimeout = (id) => {};
}
if (typeof setTimeout == 'undefined') {
// spidermonkey lacks setTimeout but we use it above in readAsync.
globalThis.setTimeout = (f) => (typeof f == 'function') ? f() : abort();
}
if (typeof scriptArgs != 'undefined') {
scriptArgs;
}
if (typeof quit == 'function') {
quit_ = (status, toThrow) => {
// Unlike node which has process.exitCode, d8 has no such mechanism. So we
// have no way to set the exit code and then let the program exit with
// that code when it naturally stops running (say, when all setTimeouts
// have completed). For that reason, we must call `quit` - the only way to
// set the exit code - but quit also halts immediately. To increase
// consistency with node (and the web) we schedule the actual quit call
// using a setTimeout to give the current stack and any exception handlers
// a chance to run. This enables features such as addOnPostRun (which
// expected to be able to run code after main returns).
setTimeout(() => {
if (!(toThrow instanceof ExitStatus)) {
let toLog = toThrow;
if (toThrow && typeof toThrow == 'object' && toThrow.stack) {
toLog = [toThrow, toThrow.stack];
}
err(`exiting due to exception: ${toLog}`);
}
quit(status);
});
throw toThrow;
};
}
if (typeof print != 'undefined') {
// Prefer to use print/printErr where they exist, as they usually work better.
if (typeof console == 'undefined') console = /** @type{!Console} */({});
console.log = /** @type{!function(this:Console, ...*): undefined} */ (print);
console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print);
}
} else
// Note that this includes Node.js workers when relevant (pthreads is enabled).
// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
// ENVIRONMENT_IS_NODE.
if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
scriptDirectory = self.location.href;
} else if (typeof document != 'undefined' && document.currentScript) { // web
scriptDirectory = document.currentScript.src;
}
// When MODULARIZE, this JS may be executed later, after document.currentScript
// is gone, so we saved it, and we use it here instead of any other info.
if (_scriptDir) {
scriptDirectory = _scriptDir;
}
// blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
// otherwise, slice off the final part of the url to find the script directory.
// if scriptDirectory does not contain a slash, lastIndexOf will return -1,
// and scriptDirectory will correctly be replaced with an empty string.
// If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
// they are removed because they could contain a slash.
if (scriptDirectory.indexOf('blob:') !== 0) {
scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1);
} else {
scriptDirectory = '';
}
if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
// Differentiate the Web Worker from the Node Worker case, as reading must
// be done differently.
{
// include: web_or_worker_shell_read.js
read_ = (url) => {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.send(null);
return xhr.responseText;
};
if (ENVIRONMENT_IS_WORKER) {
readBinary = (url) => {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.responseType = 'arraybuffer';
xhr.send(null);
return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response));
};
}
readAsync = (url, onload, onerror) => {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'arraybuffer';
xhr.onload = () => {
if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
onload(xhr.response);
return;
}
onerror();
};
xhr.onerror = onerror;
xhr.send(null);
};
// end include: web_or_worker_shell_read.js
}
} else
{
throw new Error('environment detection error');
}
var out = Module['print'] || console.log.bind(console);
var err = Module['printErr'] || console.error.bind(console);
// Merge back in the overrides
Object.assign(Module, moduleOverrides);
// Free the object hierarchy contained in the overrides, this lets the GC
// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array.
moduleOverrides = null;
checkIncomingModuleAPI();
// Emit code to handle expected values on the Module object. This applies Module.x
// to the proper local x. This has two benefits: first, we only emit it if it is
// expected to arrive, and second, by using a local everywhere else that can be
// minified.
if (Module['arguments']) Module['arguments'];legacyModuleProp('arguments', 'arguments_');
if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram');
if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_');
// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
// Assertions on removed incoming Module JS APIs.
assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead');
assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead');
assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead');
assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead');
assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)');
assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)');
assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)');
assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify emscripten_set_window_title in JS)');
assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY');
legacyModuleProp('asm', 'wasmExports');
legacyModuleProp('read', 'read_');
legacyModuleProp('readAsync', 'readAsync');
legacyModuleProp('readBinary', 'readBinary');
legacyModuleProp('setWindowTitle', 'setWindowTitle');
assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-sENVIRONMENT` to enable.");
// end include: shell.js
// include: preamble.js
// === Preamble library stuff ===
// Documentation for the public APIs defined in this file must be updated in:
// site/source/docs/api_reference/preamble.js.rst
// A prebuilt local version of the documentation is available at:
// site/build/text/docs/api_reference/preamble.js.txt
// You can also build docs locally as HTML or other formats in site/
// An online HTML version (which may be of a different version of Emscripten)
// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
var wasmBinary;
if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary');
if (typeof WebAssembly != 'object') {
abort('no native wasm support detected');
}
// Wasm globals
var wasmMemory;
//========================================
// Runtime essentials
//========================================
// whether we are quitting the application. no code should run after this.
// set in exit() and abort()
var ABORT = false;
// set by exit() and abort(). Passed to 'onExit' handler.
// NOTE: This is also used as the process return code code in shell environments
// but only when noExitRuntime is false.
var EXITSTATUS;
/** @type {function(*, string=)} */
function assert(condition, text) {
if (!condition) {
abort('Assertion failed' + (text ? ': ' + text : ''));
}
}
// We used to include malloc/free by default in the past. Show a helpful error in
// builds with assertions.
// Memory management
var /** @type {!Int8Array} */
HEAP8,
/** @type {!Uint8Array} */
HEAPU8,
/** @type {!Int16Array} */
HEAP16,
/** @type {!Uint16Array} */
HEAPU16,
/** @type {!Int32Array} */
HEAP32,
/** @type {!Uint32Array} */
HEAPU32,
/** @type {!Float32Array} */
HEAPF32,
/** @type {!Float64Array} */
HEAPF64;
function updateMemoryViews() {
var b = wasmMemory.buffer;
Module['HEAP8'] = HEAP8 = new Int8Array(b);
Module['HEAP16'] = HEAP16 = new Int16Array(b);
Module['HEAPU8'] = HEAPU8 = new Uint8Array(b);
Module['HEAPU16'] = HEAPU16 = new Uint16Array(b);
Module['HEAP32'] = HEAP32 = new Int32Array(b);
Module['HEAPU32'] = HEAPU32 = new Uint32Array(b);
Module['HEAPF32'] = HEAPF32 = new Float32Array(b);
Module['HEAPF64'] = HEAPF64 = new Float64Array(b);
}
assert(!Module['STACK_SIZE'], 'STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time');
assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined,
'JS engine does not provide full typed array support');
// If memory is defined in wasm, the user can't provide it, or set INITIAL_MEMORY
assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally');
assert(!Module['INITIAL_MEMORY'], 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically');
// include: runtime_stack_check.js
// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
function writeStackCookie() {
var max = _emscripten_stack_get_end();
assert((max & 3) == 0);
// If the stack ends at address zero we write our cookies 4 bytes into the
// stack. This prevents interference with SAFE_HEAP and ASAN which also
// monitor writes to address zero.
if (max == 0) {
max += 4;
}
// The stack grow downwards towards _emscripten_stack_get_end.
// We write cookies to the final two words in the stack and detect if they are
// ever overwritten.
HEAPU32[((max)>>2)] = 0x02135467;
HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE;
// Also test the global address 0 for integrity.
HEAPU32[((0)>>2)] = 1668509029;
}
function checkStackCookie() {
if (ABORT) return;
var max = _emscripten_stack_get_end();
// See writeStackCookie().
if (max == 0) {
max += 4;
}
var cookie1 = HEAPU32[((max)>>2)];
var cookie2 = HEAPU32[(((max)+(4))>>2)];
if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) {
abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
}
// Also test the global address 0 for integrity.
if (HEAPU32[((0)>>2)] != 0x63736d65 /* 'emsc' */) {
abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
}
}
// end include: runtime_stack_check.js
// include: runtime_assertions.js
// Endianness check
(function() {
var h16 = new Int16Array(1);
var h8 = new Int8Array(h16.buffer);
h16[0] = 0x6373;
if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)';
})();
// end include: runtime_assertions.js
var __ATPRERUN__ = []; // functions called before the runtime is initialized
var __ATINIT__ = []; // functions called during startup
var __ATMAIN__ = []; // functions called when main() is to be run
var __ATPOSTRUN__ = []; // functions called after the main() is called
var runtimeInitialized = false;
function preRun() {
if (Module['preRun']) {
if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
while (Module['preRun'].length) {
addOnPreRun(Module['preRun'].shift());
}
}
callRuntimeCallbacks(__ATPRERUN__);
}
function initRuntime() {
assert(!runtimeInitialized);
runtimeInitialized = true;
checkStackCookie();
if (!Module["noFSInit"] && !FS.init.initialized)
FS.init();
FS.ignorePermissions = false;
callRuntimeCallbacks(__ATINIT__);
}
function preMain() {
checkStackCookie();
callRuntimeCallbacks(__ATMAIN__);
}
function postRun() {
checkStackCookie();
if (Module['postRun']) {
if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
while (Module['postRun'].length) {
addOnPostRun(Module['postRun'].shift());
}
}
callRuntimeCallbacks(__ATPOSTRUN__);
}
function addOnPreRun(cb) {
__ATPRERUN__.unshift(cb);
}
function addOnInit(cb) {
__ATINIT__.unshift(cb);
}
function addOnPostRun(cb) {
__ATPOSTRUN__.unshift(cb);
}
// include: runtime_math.js
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc
assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
// end include: runtime_math.js
// A counter of dependencies for calling run(). If we need to
// do asynchronous work before running, increment this and
// decrement it. Incrementing must happen in a place like
// Module.preRun (used by emcc to add file preloading).
// Note that you can add dependencies in preRun, even though
// it happens right before run - run will be postponed until
// the dependencies are met.
var runDependencies = 0;
var runDependencyWatcher = null;
var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
var runDependencyTracking = {};
function getUniqueRunDependency(id) {
var orig = id;
while (1) {
if (!runDependencyTracking[id]) return id;
id = orig + Math.random();
}
}
function addRunDependency(id) {
runDependencies++;
if (Module['monitorRunDependencies']) {
Module['monitorRunDependencies'](runDependencies);
}
if (id) {
assert(!runDependencyTracking[id]);
runDependencyTracking[id] = 1;
if (runDependencyWatcher === null && typeof setInterval != 'undefined') {
// Check for missing dependencies every few seconds
runDependencyWatcher = setInterval(() => {
if (ABORT) {
clearInterval(runDependencyWatcher);
runDependencyWatcher = null;
return;
}
var shown = false;
for (var dep in runDependencyTracking) {
if (!shown) {
shown = true;
err('still waiting on run dependencies:');
}
err(`dependency: ${dep}`);
}
if (shown) {
err('(end of list)');
}
}, 10000);
}
} else {
err('warning: run dependency added without ID');
}
}
function removeRunDependency(id) {
runDependencies--;
if (Module['monitorRunDependencies']) {
Module['monitorRunDependencies'](runDependencies);
}
if (id) {
assert(runDependencyTracking[id]);
delete runDependencyTracking[id];
} else {
err('warning: run dependency removed without ID');
}
if (runDependencies == 0) {
if (runDependencyWatcher !== null) {
clearInterval(runDependencyWatcher);
runDependencyWatcher = null;
}
if (dependenciesFulfilled) {
var callback = dependenciesFulfilled;
dependenciesFulfilled = null;
callback(); // can add another dependenciesFulfilled
}
}
}
/** @param {string|number=} what */
function abort(what) {
if (Module['onAbort']) {
Module['onAbort'](what);
}
what = 'Aborted(' + what + ')';
// TODO(sbc): Should we remove printing and leave it up to whoever
// catches the exception?
err(what);
ABORT = true;
EXITSTATUS = 1;
// Use a wasm runtime error, because a JS error might be seen as a foreign
// exception, which means we'd run destructors on it. We need the error to
// simply make the program stop.
// FIXME This approach does not work in Wasm EH because it currently does not assume
// all RuntimeErrors are from traps; it decides whether a RuntimeError is from
// a trap or not based on a hidden field within the object. So at the moment
// we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
// allows this in the wasm spec.
// Suppress closure compiler warning here. Closure compiler's builtin extern
// defintion for WebAssembly.RuntimeError claims it takes no arguments even
// though it can.
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
/** @suppress {checkTypes} */
var e = new WebAssembly.RuntimeError(what);
readyPromiseReject(e);
// Throw the error whether or not MODULARIZE is set because abort is used
// in code paths apart from instantiation where an exception is expected
// to be thrown when abort is called.
throw e;
}
// include: memoryprofiler.js
// end include: memoryprofiler.js
// include: URIUtils.js
// Prefix of data URIs emitted by SINGLE_FILE and related options.
var dataURIPrefix = 'data:application/octet-stream;base64,';
/**
* Indicates whether filename is a base64 data URI.
* @noinline
*/
var isDataURI = (filename) => filename.startsWith(dataURIPrefix);
/**
* Indicates whether filename is delivered via file protocol (as opposed to http/https)
* @noinline
*/
var isFileURI = (filename) => filename.startsWith('file://');
// end include: URIUtils.js
function createExportWrapper(name) {
return function() {
assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`);
var f = wasmExports[name];
assert(f, `exported native function \`${name}\` not found`);
return f.apply(null, arguments);
};
}
// include: runtime_exceptions.js
// end include: runtime_exceptions.js
var wasmBinaryFile;
if (Module['locateFile']) {
wasmBinaryFile = 'libultrahdr-esm.wasm';
if (!isDataURI(wasmBinaryFile)) {
wasmBinaryFile = locateFile(wasmBinaryFile);
}
} else {
// Use bundler-friendly `new URL(..., import.meta.url)` pattern; works in browsers too.
wasmBinaryFile = new URL('libultrahdr-esm.wasm', (typeof document === 'undefined' && typeof location === 'undefined' ? require('u' + 'rl').pathToFileURL(__filename).href : typeof document === 'undefined' ? location.href : (_documentCurrentScript && _documentCurrentScript.tagName.toUpperCase() === 'SCRIPT' && _documentCurrentScript.src || new URL('libultrahdr.umd.cjs', document.baseURI).href))).href;
}
function getBinarySync(file) {
if (file == wasmBinaryFile && wasmBinary) {
return new Uint8Array(wasmBinary);
}
if (readBinary) {
return readBinary(file);
}
throw "both async and sync fetching of the wasm failed";
}
function getBinaryPromise(binaryFile) {
// If we don't have the binary yet, try to load it asynchronously.
// Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
// See https://github.com/github/fetch/pull/92#issuecomment-140665932
// Cordova or Electron apps are typically loaded from a file:// url.
// So use fetch if it is available and the url is not a file, otherwise fall back to XHR.
if (!wasmBinary
&& (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
if (typeof fetch == 'function'
&& !isFileURI(binaryFile)
) {
return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
if (!response['ok']) {
throw "failed to load wasm binary file at '" + binaryFile + "'";
}
return response['arrayBuffer']();
}).catch(() => getBinarySync(binaryFile));
}
else if (readAsync) {
// fetch is not available or url is file => try XHR (readAsync uses XHR internally)
return new Promise((resolve, reject) => {
readAsync(binaryFile, (response) => resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))), reject);
});
}
}
// Otherwise, getBinarySync should be able to get it synchronously
return Promise.resolve().then(() => getBinarySync(binaryFile));
}
function instantiateArrayBuffer(binaryFile, imports, receiver) {
return getBinaryPromise(binaryFile).then((binary) => {
return WebAssembly.instantiate(binary, imports);
}).then((instance) => {
return instance;
}).then(receiver, (reason) => {
err(`failed to asynchronously prepare wasm: ${reason}`);
// Warn on some common problems.
if (isFileURI(wasmBinaryFile)) {
err(`warning: Loading from a file URI (${wasmBinaryFile}) is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing`);
}
abort(reason);
});
}
function instantiateAsync(binary, binaryFile, imports, callback) {
if (!binary &&
typeof WebAssembly.instantiateStreaming == 'function' &&
!isDataURI(binaryFile) &&
// Don't use streaming for file:// delivered objects in a webview, fetch them synchronously.
!isFileURI(binaryFile) &&
// Avoid instantiateStreaming() on Node.js environment for now, as while
// Node.js v18.1.0 implements it, it does not have a full fetch()
// implementation yet.
//
// Reference:
// https://github.com/emscripten-core/emscripten/pull/16917
!ENVIRONMENT_IS_NODE &&
typeof fetch == 'function') {
return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
// Suppress closure warning here since the upstream definition for
// instantiateStreaming only allows Promise<Repsponse> rather than
// an actual Response.
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed.
/** @suppress {checkTypes} */
var result = WebAssembly.instantiateStreaming(response, imports);
return result.then(
callback,
function(reason) {
// We expect the most common failure cause to be a bad MIME type for the binary,
// in which case falling back to ArrayBuffer instantiation should work.
err(`wasm streaming compile failed: ${reason}`);
err('falling back to ArrayBuffer instantiation');
return instantiateArrayBuffer(binaryFile, imports, callback);
});
});
}
return instantiateArrayBuffer(binaryFile, imports, callback);
}
// Create the wasm instance.
// Receives the wasm imports, returns the exports.
function createWasm() {
// prepare imports
var info = {
'env': wasmImports,
'wasi_snapshot_preview1': wasmImports,
};
// Load the wasm module and create an instance of using native support in the JS engine.
// handle a generated wasm instance, receiving its exports and
// performing other necessary setup
/** @param {WebAssembly.Module=} module*/
function receiveInstance(instance, module) {
wasmExports = instance.exports;
wasmMemory = wasmExports['memory'];
assert(wasmMemory, "memory not found in wasm exports");
// This assertion doesn't hold when emscripten is run in --post-link
// mode.
// TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode.
//assert(wasmMemory.buffer.byteLength === 16777216);
updateMemoryViews();
wasmTable = wasmExports['__indirect_function_table'];
assert(wasmTable, "table not found in wasm exports");
addOnInit(wasmExports['__wasm_call_ctors']);
removeRunDependency('wasm-instantiate');
return wasmExports;
}
// wait for the pthread pool (if any)
addRunDependency('wasm-instantiate');
// Prefer streaming instantiation if available.
// Async compilation can be confusing when an error on the page overwrites Module
// (for example, if the order of elements is wrong, and the one defining Module is
// later), so we save Module and check it later.
var trueModule = Module;
function receiveInstantiationResult(result) {
// 'result' is a ResultObject object which has both the module and instance.
// receiveInstance() will swap in the exports (to Module.asm) so they can be called
assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?');
trueModule = null;
// TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
// When the regression is fixed, can restore the above PTHREADS-enabled path.
receiveInstance(result['instance']);
}
// User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
// to manually instantiate the Wasm module themselves. This allows pages to
// run the instantiation parallel to any other async startup actions they are
// performing.
// Also pthreads and wasm workers initialize the wasm instance through this
// path.
if (Module['instantiateWasm']) {
try {
return Module['instantiateWasm'](info, receiveInstance);
} catch(e) {
err(`Module.instantiateWasm callback failed with error: ${e}`);
// If instantiation fails, reject the module ready promise.
readyPromiseReject(e);
}
}
// If instantiation fails, reject the module ready promise.
instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult).catch(readyPromiseReject);
return {}; // no exports yet; we'll fill them in later
}
// Globals used by JS i64 conversions (see makeSetValue)
var tempDouble;
var tempI64;
// include: runtime_debug.js
function legacyModuleProp(prop, newName, incomming=true) {
if (!Object.getOwnPropertyDescriptor(Module, prop)) {
Object.defineProperty(Module, prop, {
configurable: true,
get() {
let extra = incomming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : '';
abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra);
}
});
}
}
function ignoredModuleProp(prop) {
if (Object.getOwnPropertyDescriptor(Module, prop)) {
abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`);
}
}
// forcing the filesystem exports a few things by default
function isExportedByForceFilesystem(name) {
return name === 'FS_createPath' ||
name === 'FS_createDataFile' ||
name === 'FS_createPreloadedFile' ||
name === 'FS_unlink' ||
name === 'addRunDependency' ||
// The old FS has some functionality that WasmFS lacks.
name === 'FS_createLazyFile' ||
name === 'FS_createDevice' ||
name === 'removeRunDependency';
}
function missingGlobal(sym, msg) {
if (typeof globalThis !== 'undefined') {
Object.defineProperty(globalThis, sym, {
configurable: true,
get() {
warnOnce('`' + sym + '` is not longer defined by emscripten. ' + msg);
return undefined;
}
});
}
}
missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer');
missingGlobal('asm', 'Please use wasmExports instead');
function missingLibrarySymbol(sym) {
if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
Object.defineProperty(globalThis, sym, {
configurable: true,
get() {
// Can't `abort()` here because it would break code that does runtime
// checks. e.g. `if (typeof SDL === 'undefined')`.
var msg = '`' + sym + '` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line';
// DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in
// library.js, which means $name for a JS name with no prefix, or name
// for a JS name like _name.
var librarySymbol = sym;
if (!librarySymbol.startsWith('_')) {
librarySymbol = '$' + sym;
}
msg += " (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='" + librarySymbol + "')";
if (isExportedByForceFilesystem(sym)) {
msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
}
warnOnce(msg);
return undefined;
}
});
}
// Any symbol that is not included from the JS libary is also (by definition)
// not exported on the Module object.
unexportedRuntimeSymbol(sym);
}
function unexportedRuntimeSymbol(sym) {
if (!Object.getOwnPropertyDescriptor(Module, sym)) {
Object.defineProperty(Module, sym, {
configurable: true,
get() {
var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)";
if (isExportedByForceFilesystem(sym)) {
msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
}
abort(msg);
}
});
}
}
// end include: runtime_debug.js
// === Body ===
// end include: preamble.js
/** @constructor */
function ExitStatus(status) {
this.name = 'ExitStatus';
this.message = `Program terminated with exit(${status})`;
this.status = status;
}
var callRuntimeCallbacks = (callbacks) => {
while (callbacks.length > 0) {
// Pass the module as the first argument.
callbacks.shift()(Module);
}
};
var noExitRuntime = Module['noExitRuntime'] || true;
var ptrToString = (ptr) => {
assert(typeof ptr === 'number');
// With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
ptr >>>= 0;
return '0x' + ptr.toString(16).padStart(8, '0');
};
var warnOnce = (text) => {
if (!warnOnce.shown) warnOnce.shown = {};
if (!warnOnce.shown[text]) {
warnOnce.shown[text] = 1;
if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
err(text);
}
};
/** @constructor */
function ExceptionInfo(excPtr) {
this.excPtr = excPtr;
this.ptr = excPtr - 24;
this.set_type = function(type) {
HEAPU32[(((this.ptr)+(4))>>2)] = type;
};
this.get_type = function() {
return HEAPU32[(((this.ptr)+(4))>>2)];
};
this.set_destructor = function(destructor) {
HEAPU32[(((this.ptr)+(8))>>2)] = destructor;
};
this.get_destructor = function() {
return HEAPU32[(((this.ptr)+(8))>>2)];
};
this.set_caught = function(caught) {
caught = caught ? 1 : 0;
HEAP8[(((this.ptr)+(12))>>0)] = caught;
};
this.get_caught = function() {
return HEAP8[(((this.ptr)+(12))>>0)] != 0;
};
this.set_rethrown = function(rethrown) {
rethrown = rethrown ? 1 : 0;
HEAP8[(((this.ptr)+(13))>>0)] = rethrown;
};
this.get_rethrown = function() {
return HEAP8[(((this.ptr)+(13))>>0)] != 0;
};
// Initialize native structure fields. Should be called once after allocated.
this.init = function(type, destructor) {
this.set_adjusted_ptr(0);
this.set_type(type);
this.set_destructor(destructor);
};
this.set_adjusted_ptr = function(adjustedPtr) {
HEAPU32[(((this.ptr)+(16))>>2)] = adjustedPtr;
};
this.get_adjusted_ptr = function() {
return HEAPU32[(((this.ptr)+(16))>>2)];
};
// Get pointer which is expected to be received by catch clause in C++ code. It may be adjusted
// when the pointer is casted to some of the exception object base classes (e.g. when virtual
// inheritance is used). When a pointer is thrown this method should return the thrown pointer
// itself.
this.get_exception_ptr = function() {
// Work around a fastcomp bug, this code is still included for some reason in a build without
// exceptions support.
var isPointer = ___cxa_is_pointer_type(this.get_type());
if (isPointer) {
return HEAPU32[((this.excPtr)>>2)];
}
var adjusted = this.get_adjusted_ptr();
if (adjusted !== 0) return adjusted;
return this.excPtr;
};
}
var ___cxa_throw = (ptr, type, destructor) => {
var info = new ExceptionInfo(ptr);
// Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception.
info.init(type, destructor);
assert(false, 'Exception thrown, but exception catching is not enabled. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch.');
};
var structRegistrations = {
};
var runDestructors = (destructors) => {
while (destructors.length) {
var ptr = destructors.pop();
var del = destructors.pop();
del(ptr);
}
};
/** @suppress {globalThis} */
function simpleReadValueFromPointer(pointer) {
return this['fromWireType'](HEAP32[((pointer)>>2)]);
}
var awaitingDependencies = {
};
var registeredTypes = {
};
var typeDependencies = {
};
var InternalError;
var throwInternalError = (message) => { throw new InternalError(message); };
var whenDependentTypesAreResolved = (myTypes, dependentTypes, getTypeConverters) => {
myTypes.forEach(function(type) {
typeDependencies[type] = dependentTypes;
});
function onComplete(typeConverters) {
var myTypeConverters = getTypeConverters(typeConverters);
if (myTypeConverters.length !== myTypes.length) {
throwInternalError('Mismatched type converter count');
}
for (var i = 0; i < myTypes.length; ++i) {
registerType(myTypes[i], myTypeConverters[i]);
}
}
var typeConverters = new Array(dependentTypes.length);
var unregisteredTypes = [];
var registered = 0;
dependentTypes.forEach((dt, i) => {
if (registeredTypes.hasOwnProperty(dt)) {
typeConverters[i] = registeredTypes[dt];
} else {
unregisteredTypes.push(dt);
if (!awaitingDependencies.hasOwnProperty(dt)) {
awaitingDependencies[dt] = [];
}
awaitingDependencies[dt].push(() => {
typeConverters[i] = registeredTypes[dt];
++registered;
if (registered === unregisteredTypes.length) {
onComplete(typeConverters);
}
});
}
});
if (0 === unregisteredTypes.length) {
onComplete(typeConverters);
}
};
var __embind_finalize_value_object = (structType) => {
var reg = structRegistrations[structType];
delete structRegistrations[structType];
var rawConstructor = reg.rawConstructor;
var rawDestructor = reg.rawDestructor;
var fieldRecords = reg.fields;
var fieldTypes = fieldRecords.map((field) => field.getterReturnType).
concat(fieldRecords.map((field) => field.setterArgumentType));
whenDependentTypesAreResolved([structType], fieldTypes, (fieldTypes) => {
var fields = {};
fieldRecords.forEach((field, i) => {
var fieldName = field.fieldName;
var getterReturnType = fieldTypes[i];
var getter = field.getter;
var getterContext = field.getterContext;
var setterArgumentType = fieldTypes[i + fieldRecords.length];
var setter = field.setter;
var setterContext = field.setterContext;
fields[fieldName] = {
read: (ptr) => {
return getterReturnType['fromWireType'](
getter(getterContext, ptr));
},
write: (ptr, o) => {
var destructors = [];
setter(setterContext, ptr, setterArgumentType['toWireType'](destructors, o));
runDestructors(destructors);
}
};
});
return [{
name: reg.name,
'fromWireType': (ptr) => {
var rv = {};
for (var i in fields) {
rv[i] = fields[i].read(ptr);
}
rawDestructor(ptr);
return rv;
},
'toWireType': (destructors, o) => {
// todo: Here we have an opportunity for -O3 level "unsafe" optimizations:
// assume all fields are present without checking.
for (var fieldName in fields) {
if (!(fieldName in o)) {
throw new TypeError(`Missing field: "${fieldName}"`);
}
}
var ptr = rawConstructor();
for (fieldName in fields) {
fields[fieldName].write(ptr, o[fieldName]);
}
if (destructors !== null) {
destructors.push(rawDestructor, ptr);
}
return ptr;
},
'argPackAdvance': GenericWireTypeSize,
'readValueFromPointer': simpleReadValueFromPointer,
destructorFunction: rawDestructor,
}];
});
};
var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => {};
var embind_init_charCodes = () => {
var codes = new Array(256);
for (var i = 0; i < 256; ++i) {
codes[i] = String.fromCharCode(i);
}
embind_charCodes = codes;
};
var embind_charCodes;
var readLatin1String = (ptr) => {
var ret = "";
var c = ptr;
while (HEAPU8[c]) {
ret += embind_charCodes[HEAPU8[c++]];
}
return ret;
};
var BindingError;
var throwBindingError = (message) => { throw new BindingError(message); };
/** @param {Object=} options */
function sharedRegisterType(rawType, registeredInstance, options = {}) {
var name = registeredInstance.name;
if (!rawType) {
throwBindingError(`type "${name}" must have a positive integer typeid pointer`);
}
if (registeredTypes.hasOwnProperty(rawType)) {
if (options.ignoreDuplicateRegistrations) {
return;
} else {
throwBindingError(`Cannot register type '${name}' twice`);
}
}
registeredTypes[rawType] = registeredInstance;
delete typeDependencies[rawType];
if (awaitingDependencies.hasOwnProperty(rawType)) {
var callbacks = awaitingDependencies[rawType];
delete awaitingDependencies[rawType];
callbacks.forEach((cb) => cb());
}
}
/** @param {Object=} options */
function registerType(rawType, registeredInstance, options = {}) {
if (!('argPackAdvance' in registeredInstance)) {
throw new TypeError('registerType registeredInstance requires argPackAdvance');
}
return sharedRegisterType(rawType, registeredInstance, options);
}
var GenericWireTypeSize = 8;
/** @suppress {globalThis} */
var __embind_register_bool = (rawType, name, trueValue, falseValue) => {
name = readLatin1String(name);
registerType(rawType, {
name,
'fromWireType': function(wt) {
// ambiguous emscripten ABI: sometimes return values are
// true or false, and sometimes integers (0 or 1)
return !!wt;
},
'toWireType': function(destructors, o) {
return o ? trueValue : falseValue;
},
'argPackAdvance': GenericWireTypeSize,
'readValueFromPointer': function(pointer) {
return this['fromWireType'](HEAPU8[pointer]);
},
destructorFunction: null, // This type does not need a destructor
});
};
function handleAllocatorInit() {
Object.assign(HandleAllocator.prototype, /** @lends {HandleAllocator.prototype} */ {
get(id) {
assert(this.allocated[id] !== undefined, `invalid handle: ${id}`);
return this.allocated[id];
},
has(id) {
return this.allocated[id] !== undefined;
},
allocate(handle) {
var id = this.freelist.pop() || this.allocated.length;
this.allocated[id] = handle;
return id;
},
free(id) {
assert(this.allocated[id] !== undefined);
// Set the slot to `undefined` rather than using `delete` here since
// apparently arrays with holes in them can be less efficient.
this.allocated[id] = undefined;
this.freelist.push(id);
}
});
}
/** @constructor */
function HandleAllocator() {
// Reserve slot 0 so that 0 is always an invalid handle
this.allocated = [undefined];
this.freelist = [];
}
var emval_handles = new HandleAllocator(); var __emval_decref = (handle) => {
if (handle >= emval_handles.reserved && 0 === --emval_handles.get(handle).refcount) {
emval_handles.free(handle);
}
};
var count_emval_handles = () => {
var count = 0;
for (var i = emval_handles.reserved; i < emval_handles.allocated.length; ++i) {
if (emval_handles.allocated[i] !== undefined) {
++count;
}
}
return count;
};
var init_emval = () => {
// reserve some special values. These never get de-allocated.
// The HandleAllocator takes care of reserving zero.
emval_handles.allocated.push(
{value: undefined},
{value: null},
{value: true},
{value: false},
);
emval_handles.reserved = emval_handles.allocated.length;
Module['count_emval_handles'] = count_emval_handles;
};
var Emval = {
toValue:(handle) => {
if (!handle) {
throwBindingError('Cannot use deleted val. handle = ' + handle);
}
return emval_handles.get(handle).value;
},
toHandle:(value) => {
switch (value) {
case undefined: return 1;
case null: return 2;
case true: return 3;
case false: return 4;
default:{
return emval_handles.allocate({refcount: 1, value: value});
}
}
},
};
var __embind_register_emval = (rawType, name) => {
name = readLatin1String(name);
registerType(rawType, {
name,
'fromWireType': (handle) => {
var rv = Emval.toValue(handle);
__emval_decref(handle);
return rv;
},
'toWireType': (destructors, value) => Emval.toHandle(value),
'argPackAdvance': GenericWireTypeSize,
'readValueFromPointer': simpleReadValueFromPointer,
destructorFunction: null, // This type does not need a destructor
// TODO: do we need a deleteObject here? write a test where
// emval is passed into JS via an interface
});
};
var embindRepr = (v) => {
if (v === null) {
return 'null';
}
var t = typeof v;
if (t === 'object' || t === 'array' || t === 'function') {
return v.toString();
} else {
return '' + v;
}
};
var floatReadValueFromPointer = (name, width) => {
switch (width) {
case 4: return function(pointer) {
return this['fromWireType'](HEAPF32[((pointer)>>2)]);
};
case 8: return function(pointer) {
return this['fromWireType'](HEAPF64[((pointer)>>3)]);
};
default:
throw new TypeError(`invalid float width (${width}): ${name}`);
}
};
var __embind_register_float = (rawType, name, size) => {
name = readLatin1String(name);
registerType(rawType, {
name,
'fromWireType': (value) => value,
'toWireType': (destructors, value) => {
if (typeof value != "number" && typeof value != "boolean") {
throw new TypeError(`Cannot convert ${embindRepr(value)} to ${this.name}`);
}
// The VM will perform JS to Wasm value conversion, according to the spec:
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
return value;
},
'argPackAdvance': GenericWireTypeSize,
'readValueFromPointer': floatReadValueFromPointer(name, size),
destructorFunction: null, // This type does not need a destructor
});
};
var char_0 = 48;
var char_9 = 57;
var makeLegalFunctionName = (name) => {
if (undefined === name) {
return '_unknown';
}
name = name.replace(/[^a-zA-Z0-9_]/g, '$');
var f = name.charCodeAt(0);
if (f >= char_0 && f <= char_9) {
return `_${name}`;
}
return name;
};
function createNamedFunction(name, body) {
name = makeLegalFunctionName(name);
// Use an abject with a computed property name to create a new function with
// a name specified at runtime, but without using `new Function` or `eval`.
return {
[name]: function() {
return body.apply(this, arguments);
}
}[name];
}
function newFunc(constructor, argumentList) {
if (!(constructor instanceof Function)) {
throw new TypeError(`new_ called with constructor type ${typeof(constructor)} which is not a function`);
}
/*
* Previously, the following line was just:
* function dummy() {};
* Unfortunately, Chrome was preserving 'dummy' as the object's name, even
* though at creation, the 'dummy' has the correct constructor name. Thus,
* objects created with IMVU.new would show up in the debugger as 'dummy',
* which isn't very helpful. Using IMVU.createNamedFunction addresses the
* issue. Doublely-unfortunately, there's no way to write a test for this
* behavior. -NRD 2013.02.22
*/
var dummy = createNamedFunction(constructor.name || 'unknownFunctionName', function(){});
dummy.prototype = constructor.prototype;
var obj = new dummy;
var r = constructor.apply(obj, argumentList);
return (r instanceof Object) ? r : obj;
}
function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc, /** boolean= */ isAsync) {
// humanName: a human-readable string name for the function to be generated.
// argTypes: An array that contains the embind type objects for all types in the function signature.
// argTypes[0] is the type object for the function return value.
// argTypes[1] is the type object for function this object/class type, or null if not crafting an invoker for a class method.
// argTypes[2...] are the actual function parameters.
// classType: The embind type object for the class to be bound, or null if this is not a method of a class.
// cppInvokerFunc: JS Function object to the C++-side function that interops into C++ code.
// cppTargetFunc: Function pointer (an integer to FUNCTION_TABLE) to the target C++ function the cppInvokerFunc will end up calling.
// isAsync: Optional. If true, returns an async function. Async bindings are only supported with JSPI.
var argCount = argTypes.length;
if (argCount < 2) {
throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!");
}
assert(!isAsync, 'Async bindings are only supported with JSPI.');
var isClassMethodFunc = (argTypes[1] !== null && classType !== null);
// Free functions with signature "void function()" do not need an invoker that marshalls between wire types.
// TODO: This omits argument count check - enable only at -O3 or similar.
// if (ENABLE_UNSAFE_OPTS && argCount == 2 && argTypes[0].name == "void" && !isClassMethodFunc) {
// return FUNCTION_TABLE[fn];
// }
// Determine if we need to use a dynamic stack to store the destructors for the function parameters.
// TODO: Remove this completely once all function invokers are being dynamically generated.
var needsDestructorStack = false;
for (var i = 1; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here.
if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) { // The type does not define a destructor function - must use dynamic stack
needsDestructorStack = true;
break;
}
}
var returns = (argTypes[0].name !== "void");
var argsList = "";
var argsListWired = "";
for (var i = 0; i < argCount - 2; ++i) {
argsList += (i!==0?", ":"")+"arg"+i;
argsListWired += (i!==0?", ":"")+"arg"+i+"Wired";
}
var invokerFnBody = `
return function ${makeLegalFunctionName(humanName)}(${argsList}) {
if (arguments.length !== ${argCount - 2}) {
throwBindingError('function ${humanName} called with ' + arguments.length + ' arguments, expected ${argCount - 2}');
}`;
if (needsDestructorStack) {
invokerFnBody += "var destructors = [];\n";
}
var dtorStack = needsDestructorStack ? "destructors" : "null";
var args1 = ["throwBindingError", "invoker", "fn", "runDestructors", "retType", "classParam"];
var args2 = [throwBindingError, cppInvokerFunc, cppTargetFunc, runDestructors, argTypes[0], argTypes[1]];
if (isClassMethodFunc) {
invokerFnBody += "var thisWired = classParam.toWireType("+dtorStack+", this);\n";
}
for (var i = 0; i < argCount - 2; ++i) {
invokerFnBody += "var arg"+i+"Wired = argType"+i+".toWireType("+dtorStack+", arg"+i+"); // "+argTypes[i+2].name+"\n";
args1.push("argType"+i);
args2.push(argTypes[i+2]);
}
if (isClassMethodFunc) {
argsListWired = "thisWired" + (argsListWired.length > 0 ? ", " : "") + argsListWired;
}
invokerFnBody +=
(returns || isAsync ? "var rv = ":"") + "invoker(fn"+(argsListWired.length>0?", ":"")+argsListWired+");\n";
if (needsDestructorStack) {
invokerFnBody += "runDestructors(destructors);\n";
} else {
for (var i = isClassMethodFunc?1:2; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here. Also skip class type if not a method.
var paramName = (i === 1 ? "thisWired" : ("arg"+(i - 2)+"Wired"));
if (argTypes[i].destructorFunction !== null) {
invokerFnBody += paramName+"_dtor("+paramName+"); // "+argTypes[i].name+"\n";
args1.push(paramName+"_dtor");
args2.push(argTypes[i].destructorFunction);
}
}
}
if (returns) {
invokerFnBody += "var ret = retType.fromWireType(rv);\n" +
"return ret;\n";
}
invokerFnBody += "}\n";
args1.push(invokerFnBody);
return newFunc(Function, args1).apply(null, args2);
}
var ensureOverloadTable = (proto, methodName, humanName) => {
if (undefined === proto[methodName].overloadTable) {
var prevFunc = proto[methodName];
// Inject an overload resolver function that routes to the appropriate overload based on the number of arguments.
proto[methodName] = function() {
// TODO This check can be removed in -O3 level "unsafe" optimizations.
if (!proto[methodName].overloadTable.hasOwnProperty(arguments.length)) {
throwBindingError(`Function '${humanName}' called with an invalid number of arguments (${arguments.length}) - expects one of (${proto[methodName].overloadTable})!`);
}
return proto[methodName].overloadTable[arguments.length].apply(this, arguments);
};
// Move the previous function into the overload table.
proto[methodName].overloadTable = [];
proto[methodName].overloadTable[prevFunc.argCount] = prevFunc;
}
};
/** @param {number=} numArguments */
var exposePublicSymbol = (name, value, numArguments) => {
if (Module.hasOwnProperty(name)) {
if (undefined === numArguments || (undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments])) {
throwBindingError(`Cannot register public name '${name}' twice`);
}
// We are exposing a function with the same name as an existing function. Create an overload table and a function selector
// that routes between the two.
ensureOverloadTable(Module, name, name);
if (Module.hasOwnProperty(numArguments)) {
throwBindingError(`Cannot register multiple overloads of a function with the same number of arguments (${numArguments})!`);
}
// Add the new function into the overload table.
Module[name].overloadTable[numArguments] = value;
}
else {
Module[name] = value;
if (undefined !== numArguments) {
Module[name].numArguments = numArguments;
}
}
};
var heap32VectorToArray = (count, firstElement) => {
var array = [];
for (var i = 0; i < count; i++) {
// TODO(https://github.com/emscripten-core/emscripten/issues/17310):
// Find a way to hoist the `>> 2` or `>> 3` out of this loop.
array.push(HEAPU32[(((firstElement)+(i * 4))>>2)]);
}
return array;
};
/** @param {number=} numArguments */
var replacePublicSymbol = (name, value, numArguments) => {
if (!Module.hasOwnProperty(name)) {
throwInternalError('Replacing nonexistant public symbol');
}
// If there's an overload table for this symbol, replace the symbol in the overload table instead.
if (undefined !== Module[name].overloadTable && undefined !== numArguments) {
Module[name].overloadTable[numArguments] = value;
}
else {
Module[name] = value;
Module[name].argCount = numArguments;
}
};
var dynCallLegacy = (sig, ptr, args) => {
assert(('dynCall_' + sig) in Module, `bad function pointer type - dynCall function not found for sig '${sig}'`);
if (args && args.length) {
// j (64-bit integer) must be passed in as two numbers [low 32, high 32].
assert(args.length === sig.substring(1).replace(/j/g, '--').length);
} else {
assert(sig.length == 1);
}
var f = Module['dynCall_' + sig];
return args && args.length ? f.apply(null, [ptr].concat(args)) : f.call(null, ptr);
};
var wasmTableMirror = [];
var wasmTable;
var 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;
};
/** @param {Object=} args */
var dynCall = (sig, ptr, args) => {
// Without WASM_BIGINT support we cannot directly call function with i64 as
// part of thier signature, so we rely the dynCall functions generated by
// wasm-emscripten-finalize
if (sig.includes('j')) {
return dynCallLegacy(sig, ptr, args);
}
assert(getWasmTableEntry(ptr), `missing table entry in dynCall: ${ptr}`);
var rtn = getWasmTableEntry(ptr).apply(null, args);
return rtn;
};
var getDynCaller = (sig, ptr) => {
assert(sig.includes('j') || sig.includes('p'), 'getDynCaller should only be called with i64 sigs');
var argCache = [];
return function() {
argCache.length = 0;
Object.assign(argCache, arguments);
return dynCall(sig, ptr, argCache);
};
};
var embind__requireFunction = (signature, rawFunction) => {
signature = readLatin1String(signature);
function makeDynCaller() {
if (signature.includes('j')) {
return getDynCaller(signature, rawFunction);
}
return getWasmTableEntry(rawFunction);
}
var fp = makeDynCaller();
if (typeof fp != "function") {
throwBindingError(`unknown function pointer with signature ${signature}: ${rawFunction}`);
}
return fp;
};
var extendError = (baseErrorType, errorName) => {
var errorClass = createNamedFunction(errorName, function(message) {
this.name = errorName;
this.message = message;
var stack = (new Error(message)).stack;
if (stack !== undefined) {
this.stack = this.toString() + '\n' +
stack.replace(/^Error(:[^\n]*)?\n/, '');
}
});
errorClass.prototype = Object.create(baseErrorType.prototype);
errorClass.prototype.constructor = errorClass;
errorClass.prototype.toString = function() {
if (this.message === undefined) {
return this.name;
} else {
return `${this.name}: ${this.message}`;
}
};
return errorClass;
};
var UnboundTypeError;
var getTypeName = (type) => {
var ptr = ___getTypeName(type);
var rv = readLatin1String(ptr);
_free(ptr);
return rv;
};
var throwUnboundTypeError = (message, types) => {
var unboundTypes = [];
var seen = {};
function visit(type) {
if (seen[type]) {
return;
}
if (registeredTypes[type]) {
return;
}
if (typeDependencies[type]) {
typeDependencies[type].forEach(visit);
return;
}
unboundTypes.push(type);
seen[type] = true;
}
types.forEach(visit);
throw new UnboundTypeError(`${message}: ` + unboundTypes.map(getTypeName).join([', ']));
};
var getFunctionName = (signature) => {
signature = signature.trim();
const argsIndex = signature.indexOf("(");
if (argsIndex !== -1) {
assert(signature[signature.length - 1] == ")", "Parentheses for argument names should match.");
return signature.substr(0, argsIndex);
} else {
return signature;
}
};
var __embind_register_function = (name, argCount, rawArgTypesAddr, signature, rawInvoker, fn, isAsync) => {
var argTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
name = readLatin1String(name);
name = getFunctionName(name);
rawInvoker = embind__requireFunction(signature, rawInvoker);
exposePublicSymbol(name, function() {
throwUnboundTypeError(`Cannot call ${name} due to unbound types`, argTypes);
}, argCount - 1);
whenDependentTypesAreResolved([], argTypes, function(argTypes) {
var invokerArgsArray = [argTypes[0] /* return value */, null /* no class 'this'*/].concat(argTypes.slice(1) /* actual params */);
replacePublicSymbol(name, craftInvokerFunction(name, invokerArgsArray, null /* no class 'this'*/, rawInvoker, fn, isAsync), argCount - 1);
return [];
});
};
var integerReadValueFromPointer = (name, width, signed) => {
// integers are quite common, so generate very specialized functions
switch (width) {
case 1: return signed ?
(pointer) => HEAP8[((pointer)>>0)] :
(pointer) => HEAPU8[((pointer)>>0)];
case 2: return signed ?
(pointer) => HEAP16[((pointer)>>1)] :
(pointer) => HEAPU16[((pointer)>>1)]
case 4: return signed ?
(pointer) => HEAP32[((pointer)>>2)] :
(pointer) => HEAPU32[((pointer)>>2)]
default:
throw new TypeError(`invalid integer width (${width}): ${name}`);
}
};
/** @suppress {globalThis} */
var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => {
name = readLatin1String(name);
// LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come
// out as 'i32 -1'. Always treat those as max u32.
if (maxRange === -1) {
maxRange = 4294967295;
}
var fromWireType = (value) => value;
if (minRange === 0) {
var bitshift = 32 - 8*size;
fromWireType = (value) => (value << bitshift) >>> bitshift;
}
var isUnsignedType = (name.includes('unsigned'));
var checkAssertions = (value, toTypeName) => {
if (typeof value != "number" && typeof value != "boolean") {
throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${toTypeName}`);
}
if (value < minRange || value > maxRange) {
throw new TypeError(`Passing a number "${embindRepr(value)}" from JS side to C/C++ side to an argument of type "${name}", which is outside the valid range [${minRange}, ${maxRange}]!`);
}
};
var toWireType;
if (isUnsignedType) {
toWireType = function(destructors, value) {
checkAssertions(value, this.name);
return value >>> 0;
};
} else {
toWireType = function(destructors, value) {
checkAssertions(value, this.name);
// The VM will perform JS to Wasm value conversion, according to the spec:
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
return value;
};
}
registerType(primitiveType, {
name,
'fromWireType': fromWireType,
'toWireType': toWireType,
'argPackAdvance': GenericWireTypeSize,
'readValueFromPointer': integerReadValueFromPointer(name, size, minRange !== 0),
destructorFunction: null, // This type does not need a destructor
});
};
var __embind_register_memory_view = (rawType, dataTypeIndex, name) => {
var typeMapping = [
Int8Array,
Uint8Array,
Int16Array,
Uint16Array,
Int32Array,
Uint32Array,
Float32Array,
Float64Array,
];
var TA = typeMapping[dataTypeIndex];
function decodeMemoryView(handle) {
var size = HEAPU32[((handle)>>2)];
var data = HEAPU32[(((handle)+(4))>>2)];
return new TA(HEAP8.buffer, data, size);
}
name = readLatin1String(name);
registerType(rawType, {
name,
'fromWireType': decodeMemoryView,
'argPackAdvance': GenericWireTypeSize,
'readValueFromPointer': decodeMemoryView,
}, {
ignoreDuplicateRegistrations: true,
});
};
/** @suppress {globalThis} */
function readPointer(pointer) {
return this['fromWireType'](HEAPU32[((pointer)>>2)]);
}
var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
assert(typeof str === 'string');
// Parameter maxBytesToWrite is not optional. Negative values, 0, null,
// undefined and false each don't write out any bytes.
if (!(maxBytesToWrite > 0))
return 0;
var startIdx = outIdx;
var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator.
for (var i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
// unit, not a Unicode code point of the character! So decode
// UTF16->UTF32->UTF8.
// See http://unicode.org/faq/utf_bom.html#utf16-3
// For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
// and https://www.ietf.org/rfc/rfc2279.txt
// and https://tools.ietf.org/html/rfc3629
var u = str.charCodeAt(i); // possibly a lead surrogate
if (u >= 0xD800 && u <= 0xDFFF) {
var u1 = str.charCodeAt(++i);
u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF);
}
if (u <= 0x7F) {
if (outIdx >= endIdx) break;
heap[outIdx++] = u;
} else if (u <= 0x7FF) {
if (outIdx + 1 >= endIdx) break;
heap[outIdx++] = 0xC0 | (u >> 6);
heap[outIdx++] = 0x80 | (u & 63);
} else if (u <= 0xFFFF) {
if (outIdx + 2 >= endIdx) break;
heap[outIdx++] = 0xE0 | (u >> 12);
heap[outIdx++] = 0x80 | ((u >> 6) & 63);
heap[outIdx++] = 0x80 | (u & 63);
} else {
if (outIdx + 3 >= endIdx) break;
if (u > 0x10FFFF) warnOnce('Invalid Unicode code point ' + ptrToString(u) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).');
heap[outIdx++] = 0xF0 | (u >> 18);
heap[outIdx++] = 0x80 | ((u >> 12) & 63);
heap[outIdx++] = 0x80 | ((u >> 6) & 63);
heap[outIdx++] = 0x80 | (u & 63);
}
}
// Null-terminate the pointer to the buffer.
heap[outIdx] = 0;
return outIdx - startIdx;
};
var stringToUTF8 = (str, outPtr, maxBytesToWrite) => {
assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
};
var lengthBytesUTF8 = (str) => {
var len = 0;
for (var i = 0; i < str.length; ++i) {
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
// unit, not a Unicode code point of the character! So decode
// UTF16->UTF32->UTF8.
// See http://unicode.org/faq/utf_bom.html#utf16-3
var c = str.charCodeAt(i); // possibly a lead surrogate
if (c <= 0x7F) {
len++;
} else if (c <= 0x7FF) {
len += 2;
} else if (c >= 0xD800 && c <= 0xDFFF) {
len += 4; ++i;
} else {
len += 3;
}
}
return len;
};
var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined;
/**
* Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
* array that contains uint8 values, returns a copy of that string as a
* Javascript String object.
* heapOrArray is either a regular array, or a JavaScript typed array view.
* @param {number} idx
* @param {number=} maxBytesToRead
* @return {string}
*/
var UTF8ArrayToString = (heapOrArray, idx, maxBytesToRead) => {
var endIdx = idx + maxBytesToRead;
var endPtr = idx;
// TextDecoder needs to know the byte length in advance, it doesn't stop on
// null terminator by itself. Also, use the length info to avoid running tiny
// strings through TextDecoder, since .subarray() allocates garbage.
// (As a tiny code save trick, compare endPtr against endIdx using a negation,
// so that undefined means Infinity)
while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr));
}
var str = '';
// If building with TextDecoder, we have already computed the string length
// above, so test loop end condition against that
while (idx < endPtr) {
// For UTF8 byte structure, see:
// http://en.wikipedia.org/wiki/UTF-8#Description
// https://www.ietf.org/rfc/rfc2279.txt
// https://tools.ietf.org/html/rfc3629
var u0 = heapOrArray[idx++];
if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
var u1 = heapOrArray[idx++] & 63;
if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
var u2 = heapOrArray[idx++] & 63;
if ((u0 & 0xF0) == 0xE0) {
u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
} else {
if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte ' + ptrToString(u0) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!');
u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63);
}
if (u0 < 0x10000) {
str += String.fromCharCode(u0);
} else {
var ch = u0 - 0x10000;
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
}
}
return str;
};
/**
* Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
* emscripten HEAP, returns a copy of that string as a Javascript String object.
*
* @param {number} ptr
* @param {number=} maxBytesToRead - An optional length that specifies the
* maximum number of bytes to read. You can omit this parameter to scan the
* string until the first 0 byte. If maxBytesToRead is passed, and the string
* at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
* string will cut short at that byte index (i.e. maxBytesToRead will not
* produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing
* frequent uses of UTF8ToString() with and without maxBytesToRead may throw
* JS JIT optimizations off, so it is worth to consider consistently using one
* @return {string}
*/
var UTF8ToString = (ptr, maxBytesToRead) => {
assert(typeof ptr == 'number');
return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
};
var __embind_register_std_string = (rawType, name) => {
name = readLatin1String(name);
var stdStringIsUTF8
//process only std::string bindings with UTF8 support, in contrast to e.g. std::basic_string<unsigned char>
= (name === "std::string");
registerType(rawType, {
name,
// For some method names we use string keys here since they are part of
// the public/external API and/or used by the runtime-generated code.
'fromWireType'(value) {
var length = HEAPU32[((value)>>2)];
var payload = value + 4;
var str;
if (stdStringIsUTF8) {
var decodeStartPtr = payload;
// Looping here to support possible embedded '0' bytes
for (var i = 0; i <= length; ++i) {
var currentBytePtr = payload + i;
if (i == length || HEAPU8[currentBytePtr] == 0) {
var maxRead = currentBytePtr - decodeStartPtr;
var stringSegment = UTF8ToString(decodeStartPtr, maxRead);
if (str === undefined) {
str = stringSegment;
} else {
str += String.fromCharCode(0);
str += stringSegment;
}
decodeStartPtr = currentBytePtr + 1;
}
}
} else {
var a = new Array(length);
for (var i = 0; i < length; ++i) {
a[i] = String.fromCharCode(HEAPU8[payload + i]);
}
str = a.join('');
}
_free(value);
return str;
},
'toWireType'(destructors, value) {
if (value instanceof ArrayBuffer) {
value = new Uint8Array(value);
}
var length;
var valueIsOfTypeString = (typeof value == 'string');
if (!(valueIsOfTypeString || value instanceof Uint8Array || value instanceof Uint8ClampedArray || value instanceof Int8Array)) {
throwBindingError('Cannot pass non-string to std::string');
}
if (stdStringIsUTF8 && valueIsOfTypeString) {
length = lengthBytesUTF8(value);
} else {
length = value.length;
}
// assumes 4-byte alignment
var base = _malloc(4 + length + 1);
var ptr = base + 4;
HEAPU32[((base)>>2)] = length;
if (stdStringIsUTF8 && valueIsOfTypeString) {
stringToUTF8(value, ptr, length + 1);
} else {
if (valueIsOfTypeString) {
for (var i = 0; i < length; ++i) {
var charCode = value.charCodeAt(i);
if (charCode > 255) {
_free(ptr);
throwBindingError('String has UTF-16 code units that do not fit in 8 bits');
}
HEAPU8[ptr + i] = charCode;
}
} else {
for (var i = 0; i < length; ++i) {
HEAPU8[ptr + i] = value[i];
}
}
}
if (destructors !== null) {
destructors.push(_free, base);
}
return base;
},
'argPackAdvance': GenericWireTypeSize,
'readValueFromPointer': readPointer,
destructorFunction(ptr) {
_free(ptr);
},
});
};
var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined; var 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));
// Fallback: decode without UTF16Decoder
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;
};
var 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;
};
var lengthBytesUTF16 = (str) => {
return str.length*2;
};
var 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;
};
var 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;
};
var 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;
};
var __embind_register_std_wstring = (rawType, charSize, name) => {
name = readLatin1String(name);
var decodeString, encodeString, getHeap, lengthBytesUTF, shift;
if (charSize === 2) {
decodeString = UTF16ToString;
encodeString = stringToUTF16;
lengthBytesUTF = lengthBytesUTF16;
getHeap = () => HEAPU16;
shift = 1;
} else if (charSize === 4) {
decodeString = UTF32ToString;
encodeString = stringToUTF32;
lengthBytesUTF = lengthBytesUTF32;
getHeap = () => HEAPU32;
shift = 2;
}
registerType(rawType, {
name,
'fromWireType': (value) => {
// Code mostly taken from _embind_register_std_string fromWireType
var length = HEAPU32[((value)>>2)];
var HEAP = getHeap();
var str;
var decodeStartPtr = value + 4;
// Looping here to support possible embedded '0' bytes
for (var i = 0; i <= length; ++i) {
var currentBytePtr = value + 4 + i * charSize;
if (i == length || HEAP[currentBytePtr >> shift] == 0) {
var maxReadBytes = currentBytePtr - decodeStartPtr;
var stringSegment = decodeString(decodeStartPtr, maxReadBytes);
if (str === undefined) {
str = stringSegment;
} else {
str += String.fromCharCode(0);
str += stringSegment;
}
decodeStartPtr = currentBytePtr + charSize;
}
}
_free(value);
return str;
},
'toWireType': (destructors, value) => {
if (!(typeof value == 'string')) {
throwBindingError(`Cannot pass non-string to C++ string type ${name}`);
}
// assumes 4-byte alignment
var length = lengthBytesUTF(value);
var ptr = _malloc(4 + length + charSize);
HEAPU32[ptr >> 2] = length >> shift;
encodeString(value, ptr + 4, length + charSize);
if (destructors !== null) {
destructors.push(_free, ptr);
}
return ptr;
},
'argPackAdvance': GenericWireTypeSize,
'readValueFromPointer': simpleReadValueFromPointer,
destructorFunction(ptr) {
_free(ptr);
}
});
};
var __embind_register_value_object = (
rawType,
name,
constructorSignature,
rawConstructor,
destructorSignature,
rawDestructor
) => {
structRegistrations[rawType] = {
name: readLatin1String(name),
rawConstructor: embind__requireFunction(constructorSignature, rawConstructor),
rawDestructor: embind__requireFunction(destructorSignature, rawDestructor),
fields: [],
};
};
var __embind_register_value_object_field = (
structType,
fieldName,
getterReturnType,
getterSignature,
getter,
getterContext,
setterArgumentType,
setterSignature,
setter,
setterContext
) => {
structRegistrations[structType].fields.push({
fieldName: readLatin1String(fieldName),
getterReturnType,
getter: embind__requireFunction(getterSignature, getter),
getterContext,
setterArgumentType,
setter: embind__requireFunction(setterSignature, setter),
setterContext,
});
};
var __embind_register_void = (rawType, name) => {
name = readLatin1String(name);
registerType(rawType, {
isVoid: true, // void return values can be optimized out sometimes
name,
'argPackAdvance': 0,
'fromWireType': () => undefined,
// TODO: assert if anything else is given?
'toWireType': (destructors, o) => undefined,
});
};
var __emscripten_throw_longjmp = () => {
throw Infinity;
};
var __emval_incref = (handle) => {
if (handle > 4) {
emval_handles.get(handle).refcount += 1;
}
};
var emval_symbols = {
};
var getStringOrSymbol = (address) => {
var symbol = emval_symbols[address];
if (symbol === undefined) {
return readLatin1String(address);
}
return symbol;
};
var __emval_new_cstring = (v) => {
return Emval.toHandle(getStringOrSymbol(v));
};
var requireRegisteredType = (rawType, humanName) => {
var impl = registeredTypes[rawType];
if (undefined === impl) {
throwBindingError(humanName + " has unknown type " + getTypeName(rawType));
}
return impl;
};
var __emval_take_value = (type, arg) => {
type = requireRegisteredType(type, '_emval_take_value');
var v = type['readValueFromPointer'](arg);
return Emval.toHandle(v);
};
var _abort = () => {
abort('native code called abort()');
};
var _emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
var getHeapMax = () =>
// Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
// for any code that deals with heap sizes, which would require special
// casing all heap size related code to treat 0 specially.
2147483648;
var growMemory = (size) => {
var b = wasmMemory.buffer;
var pages = (size - b.byteLength + 65535) / 65536;
try {
// round size grow request up to wasm page size (fixed 64KB per spec)
wasmMemory.grow(pages); // .grow() takes a delta compared to the previous size
updateMemoryViews();
return 1 /*success*/;
} catch(e) {
err(`growMemory: Attempted to grow heap from ${b.byteLength} bytes to ${size} bytes, but got error: ${e}`);
}
// implicit 0 return to save code size (caller will cast "undefined" into 0
// anyhow)
};
var _emscripten_resize_heap = (requestedSize) => {
var oldSize = HEAPU8.length;
// With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
requestedSize >>>= 0;
// With multithreaded builds, races can happen (another thread might increase the size
// in between), so return a failure, and let the caller retry.
assert(requestedSize > oldSize);
// Memory resize rules:
// 1. Always increase heap size to at least the requested size, rounded up
// to next page multiple.
// 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
// geometrically: increase the heap size according to
// MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
// overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
// 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
// linearly: increase the heap size by at least
// MEMORY_GROWTH_LINEAR_STEP bytes.
// 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
// MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
// 4. If we were unable to allocate as much memory, it may be due to
// over-eager decision to excessively reserve due to (3) above.
// Hence if an allocation fails, cut down on the amount of excess
// growth, in an attempt to succeed to perform a smaller allocation.
// A limit is set for how much we can grow. We should not exceed that
// (the wasm binary specifies it, so if we tried, we'd fail anyhow).
var maxHeapSize = getHeapMax();
if (requestedSize > maxHeapSize) {
err(`Cannot enlarge memory, requested ${requestedSize} bytes, but the limit is ${maxHeapSize} bytes!`);
return false;
}
var alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
// Loop through potential heap size increases. If we attempt a too eager
// reservation that fails, cut down on the attempted size and reserve a
// smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth
// but limit overreserving (default to capping at +96MB overgrowth at most)
overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 );
var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
var replacement = growMemory(newSize);
if (replacement) {
return true;
}
}
err(`Failed to grow the heap from ${oldSize} bytes to ${newSize} bytes, not enough memory!`);
return false;
};
var ENV = {
};
var getExecutableName = () => {
return thisProgram || './this.program';
};
var getEnvStrings = () => {
if (!getEnvStrings.strings) {
// Default values.
// Browser language detection #8751
var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8';
var env = {
'USER': 'web_user',
'LOGNAME': 'web_user',
'PATH': '/',
'PWD': '/',
'HOME': '/home/web_user',
'LANG': lang,
'_': getExecutableName()
};
// Apply the user-provided values, if any.
for (var x in ENV) {
// x is a key in ENV; if ENV[x] is undefined, that means it was
// explicitly set to be so. We allow user code to do that to
// force variables with default values to remain unset.
if (ENV[x] === undefined) delete env[x];
else env[x] = ENV[x];
}
var strings = [];
for (var x in env) {
strings.push(`${x}=${env[x]}`);
}
getEnvStrings.strings = strings;
}
return getEnvStrings.strings;
};
var stringToAscii = (str, buffer) => {
for (var i = 0; i < str.length; ++i) {
assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff));
HEAP8[((buffer++)>>0)] = str.charCodeAt(i);
}
// Null-terminate the string
HEAP8[((buffer)>>0)] = 0;
};
var PATH = {
isAbs:(path) => path.charAt(0) === '/',
splitPath:(filename) => {
var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
return splitPathRe.exec(filename).slice(1);
},
normalizeArray:(parts, allowAboveRoot) => {
// if the path tries to go above the root, `up` ends up > 0
var up = 0;
for (var i = parts.length - 1; i >= 0; i--) {
var last = parts[i];
if (last === '.') {
parts.splice(i, 1);
} else if (last === '..') {
parts.splice(i, 1);
up++;
} else if (up) {
parts.splice(i, 1);
up--;
}
}
// if the path is allowed to go above the root, restore leading ..s
if (allowAboveRoot) {
for (; up; up--) {
parts.unshift('..');
}
}
return parts;
},
normalize:(path) => {
var isAbsolute = PATH.isAbs(path),
trailingSlash = path.substr(-1) === '/';
// Normalize the path
path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/');
if (!path && !isAbsolute) {
path = '.';
}
if (path && trailingSlash) {
path += '/';
}
return (isAbsolute ? '/' : '') + path;
},
dirname:(path) => {
var result = PATH.splitPath(path),
root = result[0],
dir = result[1];
if (!root && !dir) {
// No dirname whatsoever
return '.';
}
if (dir) {
// It has a dirname, strip trailing slash
dir = dir.substr(0, dir.length - 1);
}
return root + dir;
},
basename:(path) => {
// EMSCRIPTEN return '/'' for '/', not an empty string
if (path === '/') return '/';
path = PATH.normalize(path);
path = path.replace(/\/$/, "");
var lastSlash = path.lastIndexOf('/');
if (lastSlash === -1) return path;
return path.substr(lastSlash+1);
},
join:function() {
var paths = Array.prototype.slice.call(arguments);
return PATH.normalize(paths.join('/'));
},
join2:(l, r) => {
return PATH.normalize(l + '/' + r);
},
};
var initRandomFill = () => {
if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') {
// for modern web browsers
return (view) => crypto.getRandomValues(view);
} else
if (ENVIRONMENT_IS_NODE) {
// for nodejs with or without crypto support included
try {
var crypto_module = require$1('crypto');
var randomFillSync = crypto_module['randomFillSync'];
if (randomFillSync) {
// nodejs with LTS crypto support
return (view) => crypto_module['randomFillSync'](view);
}
// very old nodejs with the original crypto API
var randomBytes = crypto_module['randomBytes'];
return (view) => (
view.set(randomBytes(view.byteLength)),
// Return the original view to match modern native implementations.
view
);
} catch (e) {
// nodejs doesn't have crypto support
}
}
// we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096
abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: (array) => { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };");
};
var randomFill = (view) => {
// Lazily init on the first invocation.
return (randomFill = initRandomFill())(view);
};
var PATH_FS = {
resolve:function() {
var resolvedPath = '',
resolvedAbsolute = false;
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
var path = (i >= 0) ? arguments[i] : FS.cwd();
// Skip empty and invalid entries
if (typeof path != 'string') {
throw new TypeError('Arguments to path.resolve must be strings');
} else if (!path) {
return ''; // an invalid portion invalidates the whole thing
}
resolvedPath = path + '/' + resolvedPath;
resolvedAbsolute = PATH.isAbs(path);
}
// At this point the path should be resolved to a full absolute path, but
// handle relative paths to be safe (might happen when process.cwd() fails)
resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter((p) => !!p), !resolvedAbsolute).join('/');
return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
},
relative:(from, to) => {
from = PATH_FS.resolve(from).substr(1);
to = PATH_FS.resolve(to).substr(1);
function trim(arr) {
var start = 0;
for (; start < arr.length; start++) {
if (arr[start] !== '') break;
}
var end = arr.length - 1;
for (; end >= 0; end--) {
if (arr[end] !== '') break;
}
if (start > end) return [];
return arr.slice(start, end - start + 1);
}
var fromParts = trim(from.split('/'));
var toParts = trim(to.split('/'));
var length = Math.min(fromParts.length, toParts.length);
var samePartsLength = length;
for (var i = 0; i < length; i++) {
if (fromParts[i] !== toParts[i]) {
samePartsLength = i;
break;
}
}
var outputParts = [];
for (var i = samePartsLength; i < fromParts.length; i++) {
outputParts.push('..');
}
outputParts = outputParts.concat(toParts.slice(samePartsLength));
return outputParts.join('/');
},
};
var FS_stdin_getChar_buffer = [];
/** @type {function(string, boolean=, number=)} */
function intArrayFromString(stringy, dontAddNull, length) {
var len = lengthBytesUTF8(stringy)+1;
var u8array = new Array(len);
var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
if (dontAddNull) u8array.length = numBytesWritten;
return u8array;
}
var FS_stdin_getChar = () => {
if (!FS_stdin_getChar_buffer.length) {
var result = null;
if (ENVIRONMENT_IS_NODE) {
// we will read data by chunks of BUFSIZE
var BUFSIZE = 256;
var buf = Buffer.alloc(BUFSIZE);
var bytesRead = 0;
// For some reason we must suppress a closure warning here, even though
// fd definitely exists on process.stdin, and is even the proper way to
// get the fd of stdin,
// https://github.com/nodejs/help/issues/2136#issuecomment-523649904
// This started to happen after moving this logic out of library_tty.js,
// so it is related to the surrounding code in some unclear manner.
/** @suppress {missingProperties} */
var fd = process.stdin.fd;
try {
bytesRead = fs.readSync(fd, buf);
} catch(e) {
// Cross-platform differences: on Windows, reading EOF throws an exception, but on other OSes,
// reading EOF returns 0. Uniformize behavior by treating the EOF exception to return 0.
if (e.toString().includes('EOF')) bytesRead = 0;
else throw e;
}
if (bytesRead > 0) {
result = buf.slice(0, bytesRead).toString('utf-8');
} else {
result = null;
}
} else
if (typeof window != 'undefined' &&
typeof window.prompt == 'function') {
// Browser.
result = window.prompt('Input: '); // returns null on cancel
if (result !== null) {
result += '\n';
}
} else if (typeof readline == 'function') {
// Command line.
result = readline();
if (result !== null) {
result += '\n';
}
}
if (!result) {
return null;
}
FS_stdin_getChar_buffer = intArrayFromString(result, true);
}
return FS_stdin_getChar_buffer.shift();
};
var TTY = {
ttys:[],
init() {
// https://github.com/emscripten-core/emscripten/pull/1555
// if (ENVIRONMENT_IS_NODE) {
// // currently, FS.init does not distinguish if process.stdin is a file or TTY
// // device, it always assumes it's a TTY device. because of this, we're forcing
// // process.stdin to UTF8 encoding to at least make stdin reading compatible
// // with text files until FS.init can be refactored.
// process.stdin.setEncoding('utf8');
// }
},
shutdown() {
// https://github.com/emscripten-core/emscripten/pull/1555
// if (ENVIRONMENT_IS_NODE) {
// // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
// // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
// // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
// // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
// // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
// process.stdin.pause();
// }
},
register(dev, ops) {
TTY.ttys[dev] = { input: [], output: [], ops: ops };
FS.registerDevice(dev, TTY.stream_ops);
},
stream_ops:{
open(stream) {
var tty = TTY.ttys[stream.node.rdev];
if (!tty) {
throw new FS.ErrnoError(43);
}
stream.tty = tty;
stream.seekable = false;
},
close(stream) {
// flush any pending line data
stream.tty.ops.fsync(stream.tty);
},
fsync(stream) {
stream.tty.ops.fsync(stream.tty);
},
read(stream, buffer, offset, length, pos /* ignored */) {
if (!stream.tty || !stream.tty.ops.get_char) {
throw new FS.ErrnoError(60);
}
var bytesRead = 0;
for (var i = 0; i < length; i++) {
var result;
try {
result = stream.tty.ops.get_char(stream.tty);
} catch (e) {
throw new FS.ErrnoError(29);
}
if (result === undefined && bytesRead === 0) {
throw new FS.ErrnoError(6);
}
if (result === null || result === undefined) break;
bytesRead++;
buffer[offset+i] = result;
}
if (bytesRead) {
stream.node.timestamp = Date.now();
}
return bytesRead;
},
write(stream, buffer, offset, length, pos) {
if (!stream.tty || !stream.tty.ops.put_char) {
throw new FS.ErrnoError(60);
}
try {
for (var i = 0; i < length; i++) {
stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
}
} catch (e) {
throw new FS.ErrnoError(29);
}
if (length) {
stream.node.timestamp = Date.now();
}
return i;
},
},
default_tty_ops:{
get_char(tty) {
return FS_stdin_getChar();
},
put_char(tty, val) {
if (val === null || val === 10) {
out(UTF8ArrayToString(tty.output, 0));
tty.output = [];
} else {
if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle.
}
},
fsync(tty) {
if (tty.output && tty.output.length > 0) {
out(UTF8ArrayToString(tty.output, 0));
tty.output = [];
}
},
ioctl_tcgets(tty) {
// typical setting
return {
c_iflag: 25856,
c_oflag: 5,
c_cflag: 191,
c_lflag: 35387,
c_cc: [
0x03, 0x1c, 0x7f, 0x15, 0x04, 0x00, 0x01, 0x00, 0x11, 0x13, 0x1a, 0x00,
0x12, 0x0f, 0x17, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
};
},
ioctl_tcsets(tty, optional_actions, data) {
// currently just ignore
return 0;
},
ioctl_tiocgwinsz(tty) {
return [24, 80];
},
},
default_tty1_ops:{
put_char(tty, val) {
if (val === null || val === 10) {
err(UTF8ArrayToString(tty.output, 0));
tty.output = [];
} else {
if (val != 0) tty.output.push(val);
}
},
fsync(tty) {
if (tty.output && tty.output.length > 0) {
err(UTF8ArrayToString(tty.output, 0));
tty.output = [];
}
},
},
};
var mmapAlloc = (size) => {
abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported');
};
var MEMFS = {
ops_table:null,
mount(mount) {
return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
},
createNode(parent, name, mode, dev) {
if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
// no supported
throw new FS.ErrnoError(63);
}
if (!MEMFS.ops_table) {
MEMFS.ops_table = {
dir: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
lookup: MEMFS.node_ops.lookup,
mknod: MEMFS.node_ops.mknod,
rename: MEMFS.node_ops.rename,
unlink: MEMFS.node_ops.unlink,
rmdir: MEMFS.node_ops.rmdir,
readdir: MEMFS.node_ops.readdir,
symlink: MEMFS.node_ops.symlink
},
stream: {
llseek: MEMFS.stream_ops.llseek
}
},
file: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: {
llseek: MEMFS.stream_ops.llseek,
read: MEMFS.stream_ops.read,
write: MEMFS.stream_ops.write,
allocate: MEMFS.stream_ops.allocate,
mmap: MEMFS.stream_ops.mmap,
msync: MEMFS.stream_ops.msync
}
},
link: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
readlink: MEMFS.node_ops.readlink
},
stream: {}
},
chrdev: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: FS.chrdev_stream_ops
}
};
}
var node = FS.createNode(parent, name, mode, dev);
if (FS.isDir(node.mode)) {
node.node_ops = MEMFS.ops_table.dir.node;
node.stream_ops = MEMFS.ops_table.dir.stream;
node.contents = {};
} else if (FS.isFile(node.mode)) {
node.node_ops = MEMFS.ops_table.file.node;
node.stream_ops = MEMFS.ops_table.file.stream;
node.usedBytes = 0; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity.
// When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred
// for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size
// penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme.
node.contents = null;
} else if (FS.isLink(node.mode)) {
node.node_ops = MEMFS.ops_table.link.node;
node.stream_ops = MEMFS.ops_table.link.stream;
} else if (FS.isChrdev(node.mode)) {
node.node_ops = MEMFS.ops_table.chrdev.node;
node.stream_ops = MEMFS.ops_table.chrdev.stream;
}
node.timestamp = Date.now();
// add the new node to the parent
if (parent) {
parent.contents[name] = node;
parent.timestamp = node.timestamp;
}
return node;
},
getFileDataAsTypedArray(node) {
if (!node.contents) return new Uint8Array(0);
if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes.
return new Uint8Array(node.contents);
},
expandFileStorage(node, newCapacity) {
var prevCapacity = node.contents ? node.contents.length : 0;
if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough.
// Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
// For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
// avoid overshooting the allocation cap by a very large margin.
var CAPACITY_DOUBLING_MAX = 1024 * 1024;
newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0);
if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding.
var oldContents = node.contents;
node.contents = new Uint8Array(newCapacity); // Allocate new storage.
if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage.
},
resizeFileStorage(node, newSize) {
if (node.usedBytes == newSize) return;
if (newSize == 0) {
node.contents = null; // Fully decommit when requesting a resize to zero.
node.usedBytes = 0;
} else {
var oldContents = node.contents;
node.contents = new Uint8Array(newSize); // Allocate new storage.
if (oldContents) {
node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage.
}
node.usedBytes = newSize;
}
},
node_ops:{
getattr(node) {
var attr = {};
// device numbers reuse inode numbers.
attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
attr.ino = node.id;
attr.mode = node.mode;
attr.nlink = 1;
attr.uid = 0;
attr.gid = 0;
attr.rdev = node.rdev;
if (FS.isDir(node.mode)) {
attr.size = 4096;
} else if (FS.isFile(node.mode)) {
attr.size = node.usedBytes;
} else if (FS.isLink(node.mode)) {
attr.size = node.link.length;
} else {
attr.size = 0;
}
attr.atime = new Date(node.timestamp);
attr.mtime = new Date(node.timestamp);
attr.ctime = new Date(node.timestamp);
// NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
// but this is not required by the standard.
attr.blksize = 4096;
attr.blocks = Math.ceil(attr.size / attr.blksize);
return attr;
},
setattr(node, attr) {
if (attr.mode !== undefined) {
node.mode = attr.mode;
}
if (attr.timestamp !== undefined) {
node.timestamp = attr.timestamp;
}
if (attr.size !== undefined) {
MEMFS.resizeFileStorage(node, attr.size);
}
},
lookup(parent, name) {
throw FS.genericErrors[44];
},
mknod(parent, name, mode, dev) {
return MEMFS.createNode(parent, name, mode, dev);
},
rename(old_node, new_dir, new_name) {
// if we're overwriting a directory at new_name, make sure it's empty.
if (FS.isDir(old_node.mode)) {
var new_node;
try {
new_node = FS.lookupNode(new_dir, new_name);
} catch (e) {
}
if (new_node) {
for (var i in new_node.contents) {
throw new FS.ErrnoError(55);
}
}
}
// do the internal rewiring
delete old_node.parent.contents[old_node.name];
old_node.parent.timestamp = Date.now();
old_node.name = new_name;
new_dir.contents[new_name] = old_node;
new_dir.timestamp = old_node.parent.timestamp;
old_node.parent = new_dir;
},
unlink(parent, name) {
delete parent.contents[name];
parent.timestamp = Date.now();
},
rmdir(parent, name) {
var node = FS.lookupNode(parent, name);
for (var i in node.contents) {
throw new FS.ErrnoError(55);
}
delete parent.contents[name];
parent.timestamp = Date.now();
},
readdir(node) {
var entries = ['.', '..'];
for (var key in node.contents) {
if (!node.contents.hasOwnProperty(key)) {
continue;
}
entries.push(key);
}
return entries;
},
symlink(parent, newname, oldpath) {
var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0);
node.link = oldpath;
return node;
},
readlink(node) {
if (!FS.isLink(node.mode)) {
throw new FS.ErrnoError(28);
}
return node.link;
},
},
stream_ops:{
read(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= stream.node.usedBytes) return 0;
var size = Math.min(stream.node.usedBytes - position, length);
assert(size >= 0);
if (size > 8 && contents.subarray) { // non-trivial, and typed array
buffer.set(contents.subarray(position, position + size), offset);
} else {
for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
}
return size;
},
write(stream, buffer, offset, length, position, canOwn) {
// The data buffer should be a typed array view
assert(!(buffer instanceof ArrayBuffer));
// If the buffer is located in main memory (HEAP), and if
// memory can grow, we can't hold on to references of the
// memory buffer, as they may get invalidated. That means we
// need to do copy its contents.
if (buffer.buffer === HEAP8.buffer) {
canOwn = false;
}
if (!length) return 0;
var node = stream.node;
node.timestamp = Date.now();
if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array?
if (canOwn) {
assert(position === 0, 'canOwn must imply no weird position inside the file');
node.contents = buffer.subarray(offset, offset + length);
node.usedBytes = length;
return length;
} else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
node.contents = buffer.slice(offset, offset + length);
node.usedBytes = length;
return length;
} else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file?
node.contents.set(buffer.subarray(offset, offset + length), position);
return length;
}
}
// Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
MEMFS.expandFileStorage(node, position+length);
if (node.contents.subarray && buffer.subarray) {
// Use typed array write which is available.
node.contents.set(buffer.subarray(offset, offset + length), position);
} else {
for (var i = 0; i < length; i++) {
node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not.
}
}
node.usedBytes = Math.max(node.usedBytes, position + length);
return length;
},
llseek(stream, offset, whence) {
var position = offset;
if (whence === 1) {
position += stream.position;
} else if (whence === 2) {
if (FS.isFile(stream.node.mode)) {
position += stream.node.usedBytes;
}
}
if (position < 0) {
throw new FS.ErrnoError(28);
}
return position;
},
allocate(stream, offset, length) {
MEMFS.expandFileStorage(stream.node, offset + length);
stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
},
mmap(stream, length, position, prot, flags) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
var ptr;
var allocated;
var contents = stream.node.contents;
// Only make a new copy when MAP_PRIVATE is specified.
if (!(flags & 2) && contents.buffer === HEAP8.buffer) {
// We can't emulate MAP_SHARED when the file is not backed by the
// buffer we're mapping to (e.g. the HEAP buffer).
allocated = false;
ptr = contents.byteOffset;
} else {
// Try to avoid unnecessary slices.
if (position > 0 || position + length < contents.length) {
if (contents.subarray) {
contents = contents.subarray(position, position + length);
} else {
contents = Array.prototype.slice.call(contents, position, position + length);
}
}
allocated = true;
ptr = mmapAlloc();
if (!ptr) {
throw new FS.ErrnoError(48);
}
HEAP8.set(contents, ptr);
}
return { ptr, allocated };
},
msync(stream, buffer, offset, length, mmapFlags) {
MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
// should we check if bytesWritten and length are the same?
return 0;
},
},
};
/** @param {boolean=} noRunDep */
var asyncLoad = (url, onload, onerror, noRunDep) => {
var dep = getUniqueRunDependency(`al ${url}`) ;
readAsync(url, (arrayBuffer) => {
assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
onload(new Uint8Array(arrayBuffer));
if (dep) removeRunDependency(dep);
}, (event) => {
if (onerror) {
onerror();
} else {
throw `Loading data file "${url}" failed.`;
}
});
if (dep) addRunDependency(dep);
};
var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
return FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn);
};
var preloadPlugins = Module['preloadPlugins'] || [];
var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
// Ensure plugins are ready.
if (typeof Browser != 'undefined') Browser.init();
var handled = false;
preloadPlugins.forEach((plugin) => {
if (handled) return;
if (plugin['canHandle'](fullname)) {
plugin['handle'](byteArray, fullname, finish, onerror);
handled = true;
}
});
return handled;
};
var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
// TODO we should allow people to just pass in a complete filename instead
// of parent and name being that we just join them anyways
var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
var dep = getUniqueRunDependency(`cp ${fullname}`); // might have several active requests for the same fullname
function processData(byteArray) {
function finish(byteArray) {
if (preFinish) preFinish();
if (!dontCreateFile) {
FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
}
if (onload) onload();
removeRunDependency(dep);
}
if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
if (onerror) onerror();
removeRunDependency(dep);
})) {
return;
}
finish(byteArray);
}
addRunDependency(dep);
if (typeof url == 'string') {
asyncLoad(url, (byteArray) => processData(byteArray), onerror);
} else {
processData(url);
}
};
var FS_modeStringToFlags = (str) => {
var flagModes = {
'r': 0,
'r+': 2,
'w': 512 | 64 | 1,
'w+': 512 | 64 | 2,
'a': 1024 | 64 | 1,
'a+': 1024 | 64 | 2,
};
var flags = flagModes[str];
if (typeof flags == 'undefined') {
throw new Error(`Unknown file open mode: ${str}`);
}
return flags;
};
var FS_getMode = (canRead, canWrite) => {
var mode = 0;
if (canRead) mode |= 292 | 73;
if (canWrite) mode |= 146;
return mode;
};
var ERRNO_MESSAGES = {
0:"Success",
1:"Arg list too long",
2:"Permission denied",
3:"Address already in use",
4:"Address not available",
5:"Address family not supported by protocol family",
6:"No more processes",
7:"Socket already connected",
8:"Bad file number",
9:"Trying to read unreadable message",
10:"Mount device busy",
11:"Operation canceled",
12:"No children",
13:"Connection aborted",
14:"Connection refused",
15:"Connection reset by peer",
16:"File locking deadlock error",
17:"Destination address required",
18:"Math arg out of domain of func",
19:"Quota exceeded",
20:"File exists",
21:"Bad address",
22:"File too large",
23:"Host is unreachable",
24:"Identifier removed",
25:"Illegal byte sequence",
26:"Connection already in progress",
27:"Interrupted system call",
28:"Invalid argument",
29:"I/O error",
30:"Socket is already connected",
31:"Is a directory",
32:"Too many symbolic links",
33:"Too many open files",
34:"Too many links",
35:"Message too long",
36:"Multihop attempted",
37:"File or path name too long",
38:"Network interface is not configured",
39:"Connection reset by network",
40:"Network is unreachable",
41:"Too many open files in system",
42:"No buffer space available",
43:"No such device",
44:"No such file or directory",
45:"Exec format error",
46:"No record locks available",
47:"The link has been severed",
48:"Not enough core",
49:"No message of desired type",
50:"Protocol not available",
51:"No space left on device",
52:"Function not implemented",
53:"Socket is not connected",
54:"Not a directory",
55:"Directory not empty",
56:"State not recoverable",
57:"Socket operation on non-socket",
59:"Not a typewriter",
60:"No such device or address",
61:"Value too large for defined data type",
62:"Previous owner died",
63:"Not super-user",
64:"Broken pipe",
65:"Protocol error",
66:"Unknown protocol",
67:"Protocol wrong type for socket",
68:"Math result not representable",
69:"Read only file system",
70:"Illegal seek",
71:"No such process",
72:"Stale file handle",
73:"Connection timed out",
74:"Text file busy",
75:"Cross-device link",
100:"Device not a stream",
101:"Bad font file fmt",
102:"Invalid slot",
103:"Invalid request code",
104:"No anode",
105:"Block device required",
106:"Channel number out of range",
107:"Level 3 halted",
108:"Level 3 reset",
109:"Link number out of range",
110:"Protocol driver not attached",
111:"No CSI structure available",
112:"Level 2 halted",
113:"Invalid exchange",
114:"Invalid request descriptor",
115:"Exchange full",
116:"No data (for no delay io)",
117:"Timer expired",
118:"Out of streams resources",
119:"Machine is not on the network",
120:"Package not installed",
121:"The object is remote",
122:"Advertise error",
123:"Srmount error",
124:"Communication error on send",
125:"Cross mount point (not really error)",
126:"Given log. name not unique",
127:"f.d. invalid for this operation",
128:"Remote address changed",
129:"Can access a needed shared lib",
130:"Accessing a corrupted shared lib",
131:".lib section in a.out corrupted",
132:"Attempting to link in too many libs",
133:"Attempting to exec a shared library",
135:"Streams pipe error",
136:"Too many users",
137:"Socket type not supported",
138:"Not supported",
139:"Protocol family not supported",
140:"Can't send after socket shutdown",
141:"Too many references",
142:"Host is down",
148:"No medium (in tape drive)",
156:"Level 2 not synchronized",
};
var ERRNO_CODES = {
};
var demangle = (func) => {
warnOnce('warning: build with -sDEMANGLE_SUPPORT to link in libcxxabi demangling');
return func;
};
var demangleAll = (text) => {
var regex =
/\b_Z[\w\d_]+/g;
return text.replace(regex,
function(x) {
var y = demangle(x);
return x === y ? x : (y + ' [' + x + ']');
});
};
var FS = {
root:null,
mounts:[],
devices:{
},
streams:[],
nextInode:1,
nameTable:null,
currentPath:"/",
initialized:false,
ignorePermissions:true,
ErrnoError:null,
genericErrors:{
},
filesystems:null,
syncFSRequests:0,
lookupPath(path, opts = {}) {
path = PATH_FS.resolve(path);
if (!path) return { path: '', node: null };
var defaults = {
follow_mount: true,
recurse_count: 0
};
opts = Object.assign(defaults, opts);
if (opts.recurse_count > 8) { // max recursive lookup of 8
throw new FS.ErrnoError(32);
}
// split the absolute path
var parts = path.split('/').filter((p) => !!p);
// start at the root
var current = FS.root;
var current_path = '/';
for (var i = 0; i < parts.length; i++) {
var islast = (i === parts.length-1);
if (islast && opts.parent) {
// stop resolving
break;
}
current = FS.lookupNode(current, parts[i]);
current_path = PATH.join2(current_path, parts[i]);
// jump to the mount's root node if this is a mountpoint
if (FS.isMountpoint(current)) {
if (!islast || (islast && opts.follow_mount)) {
current = current.mounted.root;
}
}
// by default, lookupPath will not follow a symlink if it is the final path component.
// setting opts.follow = true will override this behavior.
if (!islast || opts.follow) {
var count = 0;
while (FS.isLink(current.mode)) {
var link = FS.readlink(current_path);
current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count + 1 });
current = lookup.node;
if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
throw new FS.ErrnoError(32);
}
}
}
}
return { path: current_path, node: current };
},
getPath(node) {
var path;
while (true) {
if (FS.isRoot(node)) {
var mount = node.mount.mountpoint;
if (!path) return mount;
return mount[mount.length-1] !== '/' ? `${mount}/${path}` : mount + path;
}
path = path ? `${node.name}/${path}` : node.name;
node = node.parent;
}
},
hashName(parentid, name) {
var hash = 0;
for (var i = 0; i < name.length; i++) {
hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
}
return ((parentid + hash) >>> 0) % FS.nameTable.length;
},
hashAddNode(node) {
var hash = FS.hashName(node.parent.id, node.name);
node.name_next = FS.nameTable[hash];
FS.nameTable[hash] = node;
},
hashRemoveNode(node) {
var hash = FS.hashName(node.parent.id, node.name);
if (FS.nameTable[hash] === node) {
FS.nameTable[hash] = node.name_next;
} else {
var current = FS.nameTable[hash];
while (current) {
if (current.name_next === node) {
current.name_next = node.name_next;
break;
}
current = current.name_next;
}
}
},
lookupNode(parent, name) {
var errCode = FS.mayLookup(parent);
if (errCode) {
throw new FS.ErrnoError(errCode, parent);
}
var hash = FS.hashName(parent.id, name);
for (var node = FS.nameTable[hash]; node; node = node.name_next) {
var nodeName = node.name;
if (node.parent.id === parent.id && nodeName === name) {
return node;
}
}
// if we failed to find it in the cache, call into the VFS
return FS.lookup(parent, name);
},
createNode(parent, name, mode, rdev) {
assert(typeof parent == 'object');
var node = new FS.FSNode(parent, name, mode, rdev);
FS.hashAddNode(node);
return node;
},
destroyNode(node) {
FS.hashRemoveNode(node);
},
isRoot(node) {
return node === node.parent;
},
isMountpoint(node) {
return !!node.mounted;
},
isFile(mode) {
return (mode & 61440) === 32768;
},
isDir(mode) {
return (mode & 61440) === 16384;
},
isLink(mode) {
return (mode & 61440) === 40960;
},
isChrdev(mode) {
return (mode & 61440) === 8192;
},
isBlkdev(mode) {
return (mode & 61440) === 24576;
},
isFIFO(mode) {
return (mode & 61440) === 4096;
},
isSocket(mode) {
return (mode & 49152) === 49152;
},
flagsToPermissionString(flag) {
var perms = ['r', 'w', 'rw'][flag & 3];
if ((flag & 512)) {
perms += 'w';
}
return perms;
},
nodePermissions(node, perms) {
if (FS.ignorePermissions) {
return 0;
}
// return 0 if any user, group or owner bits are set.
if (perms.includes('r') && !(node.mode & 292)) {
return 2;
} else if (perms.includes('w') && !(node.mode & 146)) {
return 2;
} else if (perms.includes('x') && !(node.mode & 73)) {
return 2;
}
return 0;
},
mayLookup(dir) {
var errCode = FS.nodePermissions(dir, 'x');
if (errCode) return errCode;
if (!dir.node_ops.lookup) return 2;
return 0;
},
mayCreate(dir, name) {
try {
var node = FS.lookupNode(dir, name);
return 20;
} catch (e) {
}
return FS.nodePermissions(dir, 'wx');
},
mayDelete(dir, name, isdir) {
var node;
try {
node = FS.lookupNode(dir, name);
} catch (e) {
return e.errno;
}
var errCode = FS.nodePermissions(dir, 'wx');
if (errCode) {
return errCode;
}
if (isdir) {
if (!FS.isDir(node.mode)) {
return 54;
}
if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
return 10;
}
} else {
if (FS.isDir(node.mode)) {
return 31;
}
}
return 0;
},
mayOpen(node, flags) {
if (!node) {
return 44;
}
if (FS.isLink(node.mode)) {
return 32;
} else if (FS.isDir(node.mode)) {
if (FS.flagsToPermissionString(flags) !== 'r' || // opening for write
(flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only)
return 31;
}
}
return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
},
MAX_OPEN_FDS:4096,
nextfd() {
for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
if (!FS.streams[fd]) {
return fd;
}
}
throw new FS.ErrnoError(33);
},
getStreamChecked(fd) {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
return stream;
},
getStream:(fd) => FS.streams[fd],
createStream(stream, fd = -1) {
if (!FS.FSStream) {
FS.FSStream = /** @constructor */ function() {
this.shared = { };
};
FS.FSStream.prototype = {};
Object.defineProperties(FS.FSStream.prototype, {
object: {
/** @this {FS.FSStream} */
get() { return this.node; },
/** @this {FS.FSStream} */
set(val) { this.node = val; }
},
isRead: {
/** @this {FS.FSStream} */
get() { return (this.flags & 2097155) !== 1; }
},
isWrite: {
/** @this {FS.FSStream} */
get() { return (this.flags & 2097155) !== 0; }
},
isAppend: {
/** @this {FS.FSStream} */
get() { return (this.flags & 1024); }
},
flags: {
/** @this {FS.FSStream} */
get() { return this.shared.flags; },
/** @this {FS.FSStream} */
set(val) { this.shared.flags = val; },
},
position : {
/** @this {FS.FSStream} */
get() { return this.shared.position; },
/** @this {FS.FSStream} */
set(val) { this.shared.position = val; },
},
});
}
// clone it, so we can return an instance of FSStream
stream = Object.assign(new FS.FSStream(), stream);
if (fd == -1) {
fd = FS.nextfd();
}
stream.fd = fd;
FS.streams[fd] = stream;
return stream;
},
closeStream(fd) {
FS.streams[fd] = null;
},
chrdev_stream_ops:{
open(stream) {
var device = FS.getDevice(stream.node.rdev);
// override node's stream ops with the device's
stream.stream_ops = device.stream_ops;
// forward the open call
if (stream.stream_ops.open) {
stream.stream_ops.open(stream);
}
},
llseek() {
throw new FS.ErrnoError(70);
},
},
major:(dev) => ((dev) >> 8),
minor:(dev) => ((dev) & 0xff),
makedev:(ma, mi) => ((ma) << 8 | (mi)),
registerDevice(dev, ops) {
FS.devices[dev] = { stream_ops: ops };
},
getDevice:(dev) => FS.devices[dev],
getMounts(mount) {
var mounts = [];
var check = [mount];
while (check.length) {
var m = check.pop();
mounts.push(m);
check.push.apply(check, m.mounts);
}
return mounts;
},
syncfs(populate, callback) {
if (typeof populate == 'function') {
callback = populate;
populate = false;
}
FS.syncFSRequests++;
if (FS.syncFSRequests > 1) {
err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);
}
var mounts = FS.getMounts(FS.root.mount);
var completed = 0;
function doCallback(errCode) {
assert(FS.syncFSRequests > 0);
FS.syncFSRequests--;
return callback(errCode);
}
function done(errCode) {
if (errCode) {
if (!done.errored) {
done.errored = true;
return doCallback(errCode);
}
return;
}
if (++completed >= mounts.length) {
doCallback(null);
}
}
// sync all mounts
mounts.forEach((mount) => {
if (!mount.type.syncfs) {
return done(null);
}
mount.type.syncfs(mount, populate, done);
});
},
mount(type, opts, mountpoint) {
if (typeof type == 'string') {
// The filesystem was not included, and instead we have an error
// message stored in the variable.
throw type;
}
var root = mountpoint === '/';
var pseudo = !mountpoint;
var node;
if (root && FS.root) {
throw new FS.ErrnoError(10);
} else if (!root && !pseudo) {
var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
mountpoint = lookup.path; // use the absolute path
node = lookup.node;
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10);
}
if (!FS.isDir(node.mode)) {
throw new FS.ErrnoError(54);
}
}
var mount = {
type,
opts,
mountpoint,
mounts: []
};
// create a root node for the fs
var mountRoot = type.mount(mount);
mountRoot.mount = mount;
mount.root = mountRoot;
if (root) {
FS.root = mountRoot;
} else if (node) {
// set as a mountpoint
node.mounted = mount;
// add the new mount to the current mount's children
if (node.mount) {
node.mount.mounts.push(mount);
}
}
return mountRoot;
},
unmount(mountpoint) {
var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
if (!FS.isMountpoint(lookup.node)) {
throw new FS.ErrnoError(28);
}
// destroy the nodes for this mount, and all its child mounts
var node = lookup.node;
var mount = node.mounted;
var mounts = FS.getMounts(mount);
Object.keys(FS.nameTable).forEach((hash) => {
var current = FS.nameTable[hash];
while (current) {
var next = current.name_next;
if (mounts.includes(current.mount)) {
FS.destroyNode(current);
}
current = next;
}
});
// no longer a mountpoint
node.mounted = null;
// remove this mount from the child mounts
var idx = node.mount.mounts.indexOf(mount);
assert(idx !== -1);
node.mount.mounts.splice(idx, 1);
},
lookup(parent, name) {
return parent.node_ops.lookup(parent, name);
},
mknod(path, mode, dev) {
var lookup = FS.lookupPath(path, { parent: true });
var parent = lookup.node;
var name = PATH.basename(path);
if (!name || name === '.' || name === '..') {
throw new FS.ErrnoError(28);
}
var errCode = FS.mayCreate(parent, name);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.mknod) {
throw new FS.ErrnoError(63);
}
return parent.node_ops.mknod(parent, name, mode, dev);
},
create(path, mode) {
mode = mode !== undefined ? mode : 438 /* 0666 */;
mode &= 4095;
mode |= 32768;
return FS.mknod(path, mode, 0);
},
mkdir(path, mode) {
mode = mode !== undefined ? mode : 511 /* 0777 */;
mode &= 511 | 512;
mode |= 16384;
return FS.mknod(path, mode, 0);
},
mkdirTree(path, mode) {
var dirs = path.split('/');
var d = '';
for (var i = 0; i < dirs.length; ++i) {
if (!dirs[i]) continue;
d += '/' + dirs[i];
try {
FS.mkdir(d, mode);
} catch(e) {
if (e.errno != 20) throw e;
}
}
},
mkdev(path, mode, dev) {
if (typeof dev == 'undefined') {
dev = mode;
mode = 438 /* 0666 */;
}
mode |= 8192;
return FS.mknod(path, mode, dev);
},
symlink(oldpath, newpath) {
if (!PATH_FS.resolve(oldpath)) {
throw new FS.ErrnoError(44);
}
var lookup = FS.lookupPath(newpath, { parent: true });
var parent = lookup.node;
if (!parent) {
throw new FS.ErrnoError(44);
}
var newname = PATH.basename(newpath);
var errCode = FS.mayCreate(parent, newname);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.symlink) {
throw new FS.ErrnoError(63);
}
return parent.node_ops.symlink(parent, newname, oldpath);
},
rename(old_path, new_path) {
var old_dirname = PATH.dirname(old_path);
var new_dirname = PATH.dirname(new_path);
var old_name = PATH.basename(old_path);
var new_name = PATH.basename(new_path);
// parents must exist
var lookup, old_dir, new_dir;
// let the errors from non existant directories percolate up
lookup = FS.lookupPath(old_path, { parent: true });
old_dir = lookup.node;
lookup = FS.lookupPath(new_path, { parent: true });
new_dir = lookup.node;
if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
// need to be part of the same mount
if (old_dir.mount !== new_dir.mount) {
throw new FS.ErrnoError(75);
}
// source must exist
var old_node = FS.lookupNode(old_dir, old_name);
// old path should not be an ancestor of the new path
var relative = PATH_FS.relative(old_path, new_dirname);
if (relative.charAt(0) !== '.') {
throw new FS.ErrnoError(28);
}
// new path should not be an ancestor of the old path
relative = PATH_FS.relative(new_path, old_dirname);
if (relative.charAt(0) !== '.') {
throw new FS.ErrnoError(55);
}
// see if the new path already exists
var new_node;
try {
new_node = FS.lookupNode(new_dir, new_name);
} catch (e) {
// not fatal
}
// early out if nothing needs to change
if (old_node === new_node) {
return;
}
// we'll need to delete the old entry
var isdir = FS.isDir(old_node.mode);
var errCode = FS.mayDelete(old_dir, old_name, isdir);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
// need delete permissions if we'll be overwriting.
// need create permissions if new doesn't already exist.
errCode = new_node ?
FS.mayDelete(new_dir, new_name, isdir) :
FS.mayCreate(new_dir, new_name);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!old_dir.node_ops.rename) {
throw new FS.ErrnoError(63);
}
if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
throw new FS.ErrnoError(10);
}
// if we are going to change the parent, check write permissions
if (new_dir !== old_dir) {
errCode = FS.nodePermissions(old_dir, 'w');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
}
// remove the node from the lookup hash
FS.hashRemoveNode(old_node);
// do the underlying fs rename
try {
old_dir.node_ops.rename(old_node, new_dir, new_name);
} catch (e) {
throw e;
} finally {
// add the node back to the hash (in case node_ops.rename
// changed its name)
FS.hashAddNode(old_node);
}
},
rmdir(path) {
var lookup = FS.lookupPath(path, { parent: true });
var parent = lookup.node;
var name = PATH.basename(path);
var node = FS.lookupNode(parent, name);
var errCode = FS.mayDelete(parent, name, true);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.rmdir) {
throw new FS.ErrnoError(63);
}
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10);
}
parent.node_ops.rmdir(parent, name);
FS.destroyNode(node);
},
readdir(path) {
var lookup = FS.lookupPath(path, { follow: true });
var node = lookup.node;
if (!node.node_ops.readdir) {
throw new FS.ErrnoError(54);
}
return node.node_ops.readdir(node);
},
unlink(path) {
var lookup = FS.lookupPath(path, { parent: true });
var parent = lookup.node;
if (!parent) {
throw new FS.ErrnoError(44);
}
var name = PATH.basename(path);
var node = FS.lookupNode(parent, name);
var errCode = FS.mayDelete(parent, name, false);
if (errCode) {
// According to POSIX, we should map EISDIR to EPERM, but
// we instead do what Linux does (and we must, as we use
// the musl linux libc).
throw new FS.ErrnoError(errCode);
}
if (!parent.node_ops.unlink) {
throw new FS.ErrnoError(63);
}
if (FS.isMountpoint(node)) {
throw new FS.ErrnoError(10);
}
parent.node_ops.unlink(parent, name);
FS.destroyNode(node);
},
readlink(path) {
var lookup = FS.lookupPath(path);
var link = lookup.node;
if (!link) {
throw new FS.ErrnoError(44);
}
if (!link.node_ops.readlink) {
throw new FS.ErrnoError(28);
}
return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
},
stat(path, dontFollow) {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
var node = lookup.node;
if (!node) {
throw new FS.ErrnoError(44);
}
if (!node.node_ops.getattr) {
throw new FS.ErrnoError(63);
}
return node.node_ops.getattr(node);
},
lstat(path) {
return FS.stat(path, true);
},
chmod(path, mode, dontFollow) {
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
node = lookup.node;
} else {
node = path;
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63);
}
node.node_ops.setattr(node, {
mode: (mode & 4095) | (node.mode & ~4095),
timestamp: Date.now()
});
},
lchmod(path, mode) {
FS.chmod(path, mode, true);
},
fchmod(fd, mode) {
var stream = FS.getStreamChecked(fd);
FS.chmod(stream.node, mode);
},
chown(path, uid, gid, dontFollow) {
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
node = lookup.node;
} else {
node = path;
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63);
}
node.node_ops.setattr(node, {
timestamp: Date.now()
// we ignore the uid / gid for now
});
},
lchown(path, uid, gid) {
FS.chown(path, uid, gid, true);
},
fchown(fd, uid, gid) {
var stream = FS.getStreamChecked(fd);
FS.chown(stream.node, uid, gid);
},
truncate(path, len) {
if (len < 0) {
throw new FS.ErrnoError(28);
}
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: true });
node = lookup.node;
} else {
node = path;
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63);
}
if (FS.isDir(node.mode)) {
throw new FS.ErrnoError(31);
}
if (!FS.isFile(node.mode)) {
throw new FS.ErrnoError(28);
}
var errCode = FS.nodePermissions(node, 'w');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
node.node_ops.setattr(node, {
size: len,
timestamp: Date.now()
});
},
ftruncate(fd, len) {
var stream = FS.getStreamChecked(fd);
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(28);
}
FS.truncate(stream.node, len);
},
utime(path, atime, mtime) {
var lookup = FS.lookupPath(path, { follow: true });
var node = lookup.node;
node.node_ops.setattr(node, {
timestamp: Math.max(atime, mtime)
});
},
open(path, flags, mode) {
if (path === "") {
throw new FS.ErrnoError(44);
}
flags = typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags;
mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode;
if ((flags & 64)) {
mode = (mode & 4095) | 32768;
} else {
mode = 0;
}
var node;
if (typeof path == 'object') {
node = path;
} else {
path = PATH.normalize(path);
try {
var lookup = FS.lookupPath(path, {
follow: !(flags & 131072)
});
node = lookup.node;
} catch (e) {
// ignore
}
}
// perhaps we need to create the node
var created = false;
if ((flags & 64)) {
if (node) {
// if O_CREAT and O_EXCL are set, error out if the node already exists
if ((flags & 128)) {
throw new FS.ErrnoError(20);
}
} else {
// node doesn't exist, try to create it
node = FS.mknod(path, mode, 0);
created = true;
}
}
if (!node) {
throw new FS.ErrnoError(44);
}
// can't truncate a device
if (FS.isChrdev(node.mode)) {
flags &= ~512;
}
// if asked only for a directory, then this must be one
if ((flags & 65536) && !FS.isDir(node.mode)) {
throw new FS.ErrnoError(54);
}
// check permissions, if this is not a file we just created now (it is ok to
// create and write to a file with read-only permissions; it is read-only
// for later use)
if (!created) {
var errCode = FS.mayOpen(node, flags);
if (errCode) {
throw new FS.ErrnoError(errCode);
}
}
// do truncation if necessary
if ((flags & 512) && !created) {
FS.truncate(node, 0);
}
// we've already handled these, don't pass down to the underlying vfs
flags &= ~(128 | 512 | 131072);
// register the stream with the filesystem
var stream = FS.createStream({
node,
path: FS.getPath(node), // we want the absolute path to the node
flags,
seekable: true,
position: 0,
stream_ops: node.stream_ops,
// used by the file family libc calls (fopen, fwrite, ferror, etc.)
ungotten: [],
error: false
});
// call the new stream's open function
if (stream.stream_ops.open) {
stream.stream_ops.open(stream);
}
if (Module['logReadFiles'] && !(flags & 1)) {
if (!FS.readFiles) FS.readFiles = {};
if (!(path in FS.readFiles)) {
FS.readFiles[path] = 1;
}
}
return stream;
},
close(stream) {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if (stream.getdents) stream.getdents = null; // free readdir state
try {
if (stream.stream_ops.close) {
stream.stream_ops.close(stream);
}
} catch (e) {
throw e;
} finally {
FS.closeStream(stream.fd);
}
stream.fd = null;
},
isClosed(stream) {
return stream.fd === null;
},
llseek(stream, offset, whence) {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if (!stream.seekable || !stream.stream_ops.llseek) {
throw new FS.ErrnoError(70);
}
if (whence != 0 && whence != 1 && whence != 2) {
throw new FS.ErrnoError(28);
}
stream.position = stream.stream_ops.llseek(stream, offset, whence);
stream.ungotten = [];
return stream.position;
},
read(stream, buffer, offset, length, position) {
assert(offset >= 0);
if (length < 0 || position < 0) {
throw new FS.ErrnoError(28);
}
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if ((stream.flags & 2097155) === 1) {
throw new FS.ErrnoError(8);
}
if (FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(31);
}
if (!stream.stream_ops.read) {
throw new FS.ErrnoError(28);
}
var seeking = typeof position != 'undefined';
if (!seeking) {
position = stream.position;
} else if (!stream.seekable) {
throw new FS.ErrnoError(70);
}
var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
if (!seeking) stream.position += bytesRead;
return bytesRead;
},
write(stream, buffer, offset, length, position, canOwn) {
assert(offset >= 0);
if (length < 0 || position < 0) {
throw new FS.ErrnoError(28);
}
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(8);
}
if (FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(31);
}
if (!stream.stream_ops.write) {
throw new FS.ErrnoError(28);
}
if (stream.seekable && stream.flags & 1024) {
// seek to the end before writing in append mode
FS.llseek(stream, 0, 2);
}
var seeking = typeof position != 'undefined';
if (!seeking) {
position = stream.position;
} else if (!stream.seekable) {
throw new FS.ErrnoError(70);
}
var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
if (!seeking) stream.position += bytesWritten;
return bytesWritten;
},
allocate(stream, offset, length) {
if (FS.isClosed(stream)) {
throw new FS.ErrnoError(8);
}
if (offset < 0 || length <= 0) {
throw new FS.ErrnoError(28);
}
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(8);
}
if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
if (!stream.stream_ops.allocate) {
throw new FS.ErrnoError(138);
}
stream.stream_ops.allocate(stream, offset, length);
},
mmap(stream, length, position, prot, flags) {
// User requests writing to file (prot & PROT_WRITE != 0).
// Checking if we have permissions to write to the file unless
// MAP_PRIVATE flag is set. According to POSIX spec it is possible
// to write to file opened in read-only mode with MAP_PRIVATE flag,
// as all modifications will be visible only in the memory of
// the current process.
if ((prot & 2) !== 0
&& (flags & 2) === 0
&& (stream.flags & 2097155) !== 2) {
throw new FS.ErrnoError(2);
}
if ((stream.flags & 2097155) === 1) {
throw new FS.ErrnoError(2);
}
if (!stream.stream_ops.mmap) {
throw new FS.ErrnoError(43);
}
return stream.stream_ops.mmap(stream, length, position, prot, flags);
},
msync(stream, buffer, offset, length, mmapFlags) {
assert(offset >= 0);
if (!stream.stream_ops.msync) {
return 0;
}
return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
},
munmap:(stream) => 0,
ioctl(stream, cmd, arg) {
if (!stream.stream_ops.ioctl) {
throw new FS.ErrnoError(59);
}
return stream.stream_ops.ioctl(stream, cmd, arg);
},
readFile(path, opts = {}) {
opts.flags = opts.flags || 0;
opts.encoding = opts.encoding || 'binary';
if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {
throw new Error(`Invalid encoding type "${opts.encoding}"`);
}
var ret;
var stream = FS.open(path, opts.flags);
var stat = FS.stat(path);
var length = stat.size;
var buf = new Uint8Array(length);
FS.read(stream, buf, 0, length, 0);
if (opts.encoding === 'utf8') {
ret = UTF8ArrayToString(buf, 0);
} else if (opts.encoding === 'binary') {
ret = buf;
}
FS.close(stream);
return ret;
},
writeFile(path, data, opts = {}) {
opts.flags = opts.flags || 577;
var stream = FS.open(path, opts.flags, opts.mode);
if (typeof data == 'string') {
var buf = new Uint8Array(lengthBytesUTF8(data)+1);
var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
} else if (ArrayBuffer.isView(data)) {
FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
} else {
throw new Error('Unsupported data type');
}
FS.close(stream);
},
cwd:() => FS.currentPath,
chdir(path) {
var lookup = FS.lookupPath(path, { follow: true });
if (lookup.node === null) {
throw new FS.ErrnoError(44);
}
if (!FS.isDir(lookup.node.mode)) {
throw new FS.ErrnoError(54);
}
var errCode = FS.nodePermissions(lookup.node, 'x');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
FS.currentPath = lookup.path;
},
createDefaultDirectories() {
FS.mkdir('/tmp');
FS.mkdir('/home');
FS.mkdir('/home/web_user');
},
createDefaultDevices() {
// create /dev
FS.mkdir('/dev');
// setup /dev/null
FS.registerDevice(FS.makedev(1, 3), {
read: () => 0,
write: (stream, buffer, offset, length, pos) => length,
});
FS.mkdev('/dev/null', FS.makedev(1, 3));
// setup /dev/tty and /dev/tty1
// stderr needs to print output using err() rather than out()
// so we register a second tty just for it.
TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
FS.mkdev('/dev/tty', FS.makedev(5, 0));
FS.mkdev('/dev/tty1', FS.makedev(6, 0));
// setup /dev/[u]random
// use a buffer to avoid overhead of individual crypto calls per byte
var randomBuffer = new Uint8Array(1024), randomLeft = 0;
var randomByte = () => {
if (randomLeft === 0) {
randomLeft = randomFill(randomBuffer).byteLength;
}
return randomBuffer[--randomLeft];
};
FS.createDevice('/dev', 'random', randomByte);
FS.createDevice('/dev', 'urandom', randomByte);
// we're not going to emulate the actual shm device,
// just create the tmp dirs that reside in it commonly
FS.mkdir('/dev/shm');
FS.mkdir('/dev/shm/tmp');
},
createSpecialDirectories() {
// create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
// name of the stream for fd 6 (see test_unistd_ttyname)
FS.mkdir('/proc');
var proc_self = FS.mkdir('/proc/self');
FS.mkdir('/proc/self/fd');
FS.mount({
mount() {
var node = FS.createNode(proc_self, 'fd', 16384 | 511 /* 0777 */, 73);
node.node_ops = {
lookup(parent, name) {
var fd = +name;
var stream = FS.getStreamChecked(fd);
var ret = {
parent: null,
mount: { mountpoint: 'fake' },
node_ops: { readlink: () => stream.path },
};
ret.parent = ret; // make it look like a simple root node
return ret;
}
};
return node;
}
}, {}, '/proc/self/fd');
},
createStandardStreams() {
// TODO deprecate the old functionality of a single
// input / output callback and that utilizes FS.createDevice
// and instead require a unique set of stream ops
// by default, we symlink the standard streams to the
// default tty devices. however, if the standard streams
// have been overwritten we create a unique device for
// them instead.
if (Module['stdin']) {
FS.createDevice('/dev', 'stdin', Module['stdin']);
} else {
FS.symlink('/dev/tty', '/dev/stdin');
}
if (Module['stdout']) {
FS.createDevice('/dev', 'stdout', null, Module['stdout']);
} else {
FS.symlink('/dev/tty', '/dev/stdout');
}
if (Module['stderr']) {
FS.createDevice('/dev', 'stderr', null, Module['stderr']);
} else {
FS.symlink('/dev/tty1', '/dev/stderr');
}
// open default streams for the stdin, stdout and stderr devices
var stdin = FS.open('/dev/stdin', 0);
var stdout = FS.open('/dev/stdout', 1);
var stderr = FS.open('/dev/stderr', 1);
assert(stdin.fd === 0, `invalid handle for stdin (${stdin.fd})`);
assert(stdout.fd === 1, `invalid handle for stdout (${stdout.fd})`);
assert(stderr.fd === 2, `invalid handle for stderr (${stderr.fd})`);
},
ensureErrnoError() {
if (FS.ErrnoError) return;
FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) {
// We set the `name` property to be able to identify `FS.ErrnoError`
// - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway.
// - when using PROXYFS, an error can come from an underlying FS
// as different FS objects have their own FS.ErrnoError each,
// the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs.
// we'll use the reliable test `err.name == "ErrnoError"` instead
this.name = 'ErrnoError';
this.node = node;
this.setErrno = /** @this{Object} */ function(errno) {
this.errno = errno;
for (var key in ERRNO_CODES) {
if (ERRNO_CODES[key] === errno) {
this.code = key;
break;
}
}
};
this.setErrno(errno);
this.message = ERRNO_MESSAGES[errno];
// Try to get a maximally helpful stack trace. On Node.js, getting Error.stack
// now ensures it shows what we want.
if (this.stack) {
// Define the stack property for Node.js 4, which otherwise errors on the next line.
Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true });
this.stack = demangleAll(this.stack);
}
};
FS.ErrnoError.prototype = new Error();
FS.ErrnoError.prototype.constructor = FS.ErrnoError;
// Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info)
[44].forEach((code) => {
FS.genericErrors[code] = new FS.ErrnoError(code);
FS.genericErrors[code].stack = '<generic error, no stack>';
});
},
staticInit() {
FS.ensureErrnoError();
FS.nameTable = new Array(4096);
FS.mount(MEMFS, {}, '/');
FS.createDefaultDirectories();
FS.createDefaultDevices();
FS.createSpecialDirectories();
FS.filesystems = {
'MEMFS': MEMFS,
};
},
init(input, output, error) {
assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)');
FS.init.initialized = true;
FS.ensureErrnoError();
// Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
Module['stdin'] = input || Module['stdin'];
Module['stdout'] = output || Module['stdout'];
Module['stderr'] = error || Module['stderr'];
FS.createStandardStreams();
},
quit() {
FS.init.initialized = false;
// force-flush all streams, so we get musl std streams printed out
_fflush(0);
// close all of our streams
for (var i = 0; i < FS.streams.length; i++) {
var stream = FS.streams[i];
if (!stream) {
continue;
}
FS.close(stream);
}
},
findObject(path, dontResolveLastLink) {
var ret = FS.analyzePath(path, dontResolveLastLink);
if (!ret.exists) {
return null;
}
return ret.object;
},
analyzePath(path, dontResolveLastLink) {
// operate from within the context of the symlink's target
try {
var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
path = lookup.path;
} catch (e) {
}
var ret = {
isRoot: false, exists: false, error: 0, name: null, path: null, object: null,
parentExists: false, parentPath: null, parentObject: null
};
try {
var lookup = FS.lookupPath(path, { parent: true });
ret.parentExists = true;
ret.parentPath = lookup.path;
ret.parentObject = lookup.node;
ret.name = PATH.basename(path);
lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
ret.exists = true;
ret.path = lookup.path;
ret.object = lookup.node;
ret.name = lookup.node.name;
ret.isRoot = lookup.path === '/';
} catch (e) {
ret.error = e.errno;
} return ret;
},
createPath(parent, path, canRead, canWrite) {
parent = typeof parent == 'string' ? parent : FS.getPath(parent);
var parts = path.split('/').reverse();
while (parts.length) {
var part = parts.pop();
if (!part) continue;
var current = PATH.join2(parent, part);
try {
FS.mkdir(current);
} catch (e) {
// ignore EEXIST
}
parent = current;
}
return current;
},
createFile(parent, name, properties, canRead, canWrite) {
var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name);
var mode = FS_getMode(canRead, canWrite);
return FS.create(path, mode);
},
createDataFile(parent, name, data, canRead, canWrite, canOwn) {
var path = name;
if (parent) {
parent = typeof parent == 'string' ? parent : FS.getPath(parent);
path = name ? PATH.join2(parent, name) : parent;
}
var mode = FS_getMode(canRead, canWrite);
var node = FS.create(path, mode);
if (data) {
if (typeof data == 'string') {
var arr = new Array(data.length);
for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
data = arr;
}
// make sure we can write to the file
FS.chmod(node, mode | 146);
var stream = FS.open(node, 577);
FS.write(stream, data, 0, data.length, 0, canOwn);
FS.close(stream);
FS.chmod(node, mode);
}
return node;
},
createDevice(parent, name, input, output) {
var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name);
var mode = FS_getMode(!!input, !!output);
if (!FS.createDevice.major) FS.createDevice.major = 64;
var dev = FS.makedev(FS.createDevice.major++, 0);
// Create a fake device that a set of stream ops to emulate
// the old behavior.
FS.registerDevice(dev, {
open(stream) {
stream.seekable = false;
},
close(stream) {
// flush any pending line data
if (output && output.buffer && output.buffer.length) {
output(10);
}
},
read(stream, buffer, offset, length, pos /* ignored */) {
var bytesRead = 0;
for (var i = 0; i < length; i++) {
var result;
try {
result = input();
} catch (e) {
throw new FS.ErrnoError(29);
}
if (result === undefined && bytesRead === 0) {
throw new FS.ErrnoError(6);
}
if (result === null || result === undefined) break;
bytesRead++;
buffer[offset+i] = result;
}
if (bytesRead) {
stream.node.timestamp = Date.now();
}
return bytesRead;
},
write(stream, buffer, offset, length, pos) {
for (var i = 0; i < length; i++) {
try {
output(buffer[offset+i]);
} catch (e) {
throw new FS.ErrnoError(29);
}
}
if (length) {
stream.node.timestamp = Date.now();
}
return i;
}
});
return FS.mkdev(path, mode, dev);
},
forceLoadFile(obj) {
if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
if (typeof XMLHttpRequest != 'undefined') {
throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
} else if (read_) {
// Command-line.
try {
// WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
// read() will try to parse UTF8.
obj.contents = intArrayFromString(read_(obj.url), true);
obj.usedBytes = obj.contents.length;
} catch (e) {
throw new FS.ErrnoError(29);
}
} else {
throw new Error('Cannot load without read() or XMLHttpRequest.');
}
},
createLazyFile(parent, name, url, canRead, canWrite) {
// Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
/** @constructor */
function LazyUint8Array() {
this.lengthKnown = false;
this.chunks = []; // Loaded chunks. Index is the chunk number
}
LazyUint8Array.prototype.get = /** @this{Object} */ function LazyUint8Array_get(idx) {
if (idx > this.length-1 || idx < 0) {
return undefined;
}
var chunkOffset = idx % this.chunkSize;
var chunkNum = (idx / this.chunkSize)|0;
return this.getter(chunkNum)[chunkOffset];
};
LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
this.getter = getter;
};
LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
// Find length
var xhr = new XMLHttpRequest();
xhr.open('HEAD', url, false);
xhr.send(null);
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
var datalength = Number(xhr.getResponseHeader("Content-length"));
var header;
var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
var chunkSize = 1024*1024; // Chunk size in bytes
if (!hasByteServing) chunkSize = datalength;
// Function to get a range from the remote URL.
var doXHR = (from, to) => {
if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!");
// TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
// Some hints to the browser that we want binary data.
xhr.responseType = 'arraybuffer';
if (xhr.overrideMimeType) {
xhr.overrideMimeType('text/plain; charset=x-user-defined');
}
xhr.send(null);
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
if (xhr.response !== undefined) {
return new Uint8Array(/** @type{Array<number>} */(xhr.response || []));
}
return intArrayFromString(xhr.responseText || '', true);
};
var lazyArray = this;
lazyArray.setDataGetter((chunkNum) => {
var start = chunkNum * chunkSize;
var end = (chunkNum+1) * chunkSize - 1; // including this byte
end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
if (typeof lazyArray.chunks[chunkNum] == 'undefined') {
lazyArray.chunks[chunkNum] = doXHR(start, end);
}
if (typeof lazyArray.chunks[chunkNum] == 'undefined') throw new Error('doXHR failed!');
return lazyArray.chunks[chunkNum];
});
if (usesGzip || !datalength) {
// if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file
datalength = this.getter(0).length;
chunkSize = datalength;
out("LazyFiles on gzip forces download of the whole file when length is accessed");
}
this._length = datalength;
this._chunkSize = chunkSize;
this.lengthKnown = true;
};
if (typeof XMLHttpRequest != 'undefined') {
if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
var lazyArray = new LazyUint8Array();
Object.defineProperties(lazyArray, {
length: {
get: /** @this{Object} */ function() {
if (!this.lengthKnown) {
this.cacheLength();
}
return this._length;
}
},
chunkSize: {
get: /** @this{Object} */ function() {
if (!this.lengthKnown) {
this.cacheLength();
}
return this._chunkSize;
}
}
});
var properties = { isDevice: false, contents: lazyArray };
} else {
var properties = { isDevice: false, url: url };
}
var node = FS.createFile(parent, name, properties, canRead, canWrite);
// This is a total hack, but I want to get this lazy file code out of the
// core of MEMFS. If we want to keep this lazy file concept I feel it should
// be its own thin LAZYFS proxying calls to MEMFS.
if (properties.contents) {
node.contents = properties.contents;
} else if (properties.url) {
node.contents = null;
node.url = properties.url;
}
// Add a function that defers querying the file size until it is asked the first time.
Object.defineProperties(node, {
usedBytes: {
get: /** @this {FSNode} */ function() { return this.contents.length; }
}
});
// override each stream op with one that tries to force load the lazy file first
var stream_ops = {};
var keys = Object.keys(node.stream_ops);
keys.forEach((key) => {
var fn = node.stream_ops[key];
stream_ops[key] = function forceLoadLazyFile() {
FS.forceLoadFile(node);
return fn.apply(null, arguments);
};
});
function writeChunks(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= contents.length)
return 0;
var size = Math.min(contents.length - position, length);
assert(size >= 0);
if (contents.slice) { // normal array
for (var i = 0; i < size; i++) {
buffer[offset + i] = contents[position + i];
}
} else {
for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR
buffer[offset + i] = contents.get(position + i);
}
}
return size;
}
// use a custom read function
stream_ops.read = (stream, buffer, offset, length, position) => {
FS.forceLoadFile(node);
return writeChunks(stream, buffer, offset, length, position)
};
// use a custom mmap function
stream_ops.mmap = (stream, length, position, prot, flags) => {
FS.forceLoadFile(node);
var ptr = mmapAlloc();
if (!ptr) {
throw new FS.ErrnoError(48);
}
writeChunks(stream, HEAP8, ptr, length, position);
return { ptr, allocated: true };
};
node.stream_ops = stream_ops;
return node;
},
absolutePath() {
abort('FS.absolutePath has been removed; use PATH_FS.resolve instead');
},
createFolder() {
abort('FS.createFolder has been removed; use FS.mkdir instead');
},
createLink() {
abort('FS.createLink has been removed; use FS.symlink instead');
},
joinPath() {
abort('FS.joinPath has been removed; use PATH.join instead');
},
mmapAlloc() {
abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc');
},
standardizePath() {
abort('FS.standardizePath has been removed; use PATH.normalize instead');
},
};
var SYSCALLS = {
DEFAULT_POLLMASK:5,
calculateAt(dirfd, path, allowEmpty) {
if (PATH.isAbs(path)) {
return path;
}
// relative path
var dir;
if (dirfd === -100) {
dir = FS.cwd();
} else {
var dirstream = SYSCALLS.getStreamFromFD(dirfd);
dir = dirstream.path;
}
if (path.length == 0) {
if (!allowEmpty) {
throw new FS.ErrnoError(44); }
return dir;
}
return PATH.join2(dir, path);
},
doStat(func, path, buf) {
try {
var stat = func(path);
} catch (e) {
if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
// an error occurred while trying to look up the path; we should just report ENOTDIR
return -54;
}
throw e;
}
HEAP32[((buf)>>2)] = stat.dev;
HEAP32[(((buf)+(4))>>2)] = stat.mode;
HEAPU32[(((buf)+(8))>>2)] = stat.nlink;
HEAP32[(((buf)+(12))>>2)] = stat.uid;
HEAP32[(((buf)+(16))>>2)] = stat.gid;
HEAP32[(((buf)+(20))>>2)] = stat.rdev;
(tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(24))>>2)] = tempI64[0],HEAP32[(((buf)+(28))>>2)] = tempI64[1]);
HEAP32[(((buf)+(32))>>2)] = 4096;
HEAP32[(((buf)+(36))>>2)] = stat.blocks;
var atime = stat.atime.getTime();
var mtime = stat.mtime.getTime();
var ctime = stat.ctime.getTime();
(tempI64 = [Math.floor(atime / 1000)>>>0,(tempDouble=Math.floor(atime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]);
HEAPU32[(((buf)+(48))>>2)] = (atime % 1000) * 1000;
(tempI64 = [Math.floor(mtime / 1000)>>>0,(tempDouble=Math.floor(mtime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(56))>>2)] = tempI64[0],HEAP32[(((buf)+(60))>>2)] = tempI64[1]);
HEAPU32[(((buf)+(64))>>2)] = (mtime % 1000) * 1000;
(tempI64 = [Math.floor(ctime / 1000)>>>0,(tempDouble=Math.floor(ctime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(72))>>2)] = tempI64[0],HEAP32[(((buf)+(76))>>2)] = tempI64[1]);
HEAPU32[(((buf)+(80))>>2)] = (ctime % 1000) * 1000;
(tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]);
return 0;
},
doMsync(addr, stream, len, flags, offset) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
if (flags & 2) {
// MAP_PRIVATE calls need not to be synced back to underlying fs
return 0;
}
var buffer = HEAPU8.slice(addr, addr + len);
FS.msync(stream, buffer, offset, len, flags);
},
varargs:undefined,
get() {
assert(SYSCALLS.varargs != undefined);
// the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number.
var ret = HEAP32[((+SYSCALLS.varargs)>>2)];
SYSCALLS.varargs += 4;
return ret;
},
getp() { return SYSCALLS.get() },
getStr(ptr) {
var ret = UTF8ToString(ptr);
return ret;
},
getStreamFromFD(fd) {
var stream = FS.getStreamChecked(fd);
return stream;
},
};
var _environ_get = (__environ, environ_buf) => {
var bufSize = 0;
getEnvStrings().forEach((string, i) => {
var ptr = environ_buf + bufSize;
HEAPU32[(((__environ)+(i*4))>>2)] = ptr;
stringToAscii(string, ptr);
bufSize += string.length + 1;
});
return 0;
};
var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
var strings = getEnvStrings();
HEAPU32[((penviron_count)>>2)] = strings.length;
var bufSize = 0;
strings.forEach((string) => bufSize += string.length + 1);
HEAPU32[((penviron_buf_size)>>2)] = bufSize;
return 0;
};
var runtimeKeepaliveCounter = 0;
var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
var _proc_exit = (code) => {
EXITSTATUS = code;
if (!keepRuntimeAlive()) {
if (Module['onExit']) Module['onExit'](code);
ABORT = true;
}
quit_(code, new ExitStatus(code));
};
/** @suppress {duplicate } */
/** @param {boolean|number=} implicit */
var exitJS = (status, implicit) => {
EXITSTATUS = status;
checkUnflushedContent();
// if exit() was called explicitly, warn the user if the runtime isn't actually being shut down
if (keepRuntimeAlive() && !implicit) {
var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`;
readyPromiseReject(msg);
err(msg);
}
_proc_exit(status);
};
var _exit = exitJS;
function _fd_close(fd) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
FS.close(stream);
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
return e.errno;
}
}
/** @param {number=} offset */
var doReadv = (stream, iov, iovcnt, offset) => {
var ret = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = HEAPU32[((iov)>>2)];
var len = HEAPU32[(((iov)+(4))>>2)];
iov += 8;
var curr = FS.read(stream, HEAP8, ptr, len, offset);
if (curr < 0) return -1;
ret += curr;
if (curr < len) break; // nothing more to read
}
return ret;
};
function _fd_read(fd, iov, iovcnt, pnum) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
var num = doReadv(stream, iov, iovcnt);
HEAPU32[((pnum)>>2)] = num;
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
return e.errno;
}
}
var convertI32PairToI53Checked = (lo, hi) => {
assert(lo == (lo >>> 0) || lo == (lo|0)); // lo should either be a i32 or a u32
assert(hi === (hi|0)); // hi should be a i32
return ((hi + 0x200000) >>> 0 < 0x400001 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN;
};
function _fd_seek(fd,offset_low, offset_high,whence,newOffset) {
var offset = convertI32PairToI53Checked(offset_low, offset_high);
try {
if (isNaN(offset)) return 61;
var stream = SYSCALLS.getStreamFromFD(fd);
FS.llseek(stream, offset, whence);
(tempI64 = [stream.position>>>0,(tempDouble=stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]);
if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
return e.errno;
}
}
/** @param {number=} offset */
var doWritev = (stream, iov, iovcnt, offset) => {
var ret = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = HEAPU32[((iov)>>2)];
var len = HEAPU32[(((iov)+(4))>>2)];
iov += 8;
var curr = FS.write(stream, HEAP8, ptr, len, offset);
if (curr < 0) return -1;
ret += curr;
}
return ret;
};
function _fd_write(fd, iov, iovcnt, pnum) {
try {
var stream = SYSCALLS.getStreamFromFD(fd);
var num = doWritev(stream, iov, iovcnt);
HEAPU32[((pnum)>>2)] = num;
return 0;
} catch (e) {
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
return e.errno;
}
}
var isLeapYear = (year) => {
return year%4 === 0 && (year%100 !== 0 || year%400 === 0);
};
var arraySum = (array, index) => {
var sum = 0;
for (var i = 0; i <= index; sum += array[i++]) {
// no-op
}
return sum;
};
var MONTH_DAYS_LEAP = [31,29,31,30,31,30,31,31,30,31,30,31];
var MONTH_DAYS_REGULAR = [31,28,31,30,31,30,31,31,30,31,30,31];
var addDays = (date, days) => {
var newDate = new Date(date.getTime());
while (days > 0) {
var leap = isLeapYear(newDate.getFullYear());
var currentMonth = newDate.getMonth();
var daysInCurrentMonth = (leap ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR)[currentMonth];
if (days > daysInCurrentMonth-newDate.getDate()) {
// we spill over to next month
days -= (daysInCurrentMonth-newDate.getDate()+1);
newDate.setDate(1);
if (currentMonth < 11) {
newDate.setMonth(currentMonth+1);
} else {
newDate.setMonth(0);
newDate.setFullYear(newDate.getFullYear()+1);
}
} else {
// we stay in current month
newDate.setDate(newDate.getDate()+days);
return newDate;
}
}
return newDate;
};
var writeArrayToMemory = (array, buffer) => {
assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)');
HEAP8.set(array, buffer);
};
var _strftime = (s, maxsize, format, tm) => {
// size_t strftime(char *restrict s, size_t maxsize, const char *restrict format, const struct tm *restrict timeptr);
// http://pubs.opengroup.org/onlinepubs/009695399/functions/strftime.html
var tm_zone = HEAPU32[(((tm)+(40))>>2)];
var date = {
tm_sec: HEAP32[((tm)>>2)],
tm_min: HEAP32[(((tm)+(4))>>2)],
tm_hour: HEAP32[(((tm)+(8))>>2)],
tm_mday: HEAP32[(((tm)+(12))>>2)],
tm_mon: HEAP32[(((tm)+(16))>>2)],
tm_year: HEAP32[(((tm)+(20))>>2)],
tm_wday: HEAP32[(((tm)+(24))>>2)],
tm_yday: HEAP32[(((tm)+(28))>>2)],
tm_isdst: HEAP32[(((tm)+(32))>>2)],
tm_gmtoff: HEAP32[(((tm)+(36))>>2)],
tm_zone: tm_zone ? UTF8ToString(tm_zone) : ''
};
var pattern = UTF8ToString(format);
// expand format
var EXPANSION_RULES_1 = {
'%c': '%a %b %d %H:%M:%S %Y', // Replaced by the locale's appropriate date and time representation - e.g., Mon Aug 3 14:02:01 2013
'%D': '%m/%d/%y', // Equivalent to %m / %d / %y
'%F': '%Y-%m-%d', // Equivalent to %Y - %m - %d
'%h': '%b', // Equivalent to %b
'%r': '%I:%M:%S %p', // Replaced by the time in a.m. and p.m. notation
'%R': '%H:%M', // Replaced by the time in 24-hour notation
'%T': '%H:%M:%S', // Replaced by the time
'%x': '%m/%d/%y', // Replaced by the locale's appropriate date representation
'%X': '%H:%M:%S', // Replaced by the locale's appropriate time representation
// Modified Conversion Specifiers
'%Ec': '%c', // Replaced by the locale's alternative appropriate date and time representation.
'%EC': '%C', // Replaced by the name of the base year (period) in the locale's alternative representation.
'%Ex': '%m/%d/%y', // Replaced by the locale's alternative date representation.
'%EX': '%H:%M:%S', // Replaced by the locale's alternative time representation.
'%Ey': '%y', // Replaced by the offset from %EC (year only) in the locale's alternative representation.
'%EY': '%Y', // Replaced by the full alternative year representation.
'%Od': '%d', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading zeros if there is any alternative symbol for zero; otherwise, with leading <space> characters.
'%Oe': '%e', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading <space> characters.
'%OH': '%H', // Replaced by the hour (24-hour clock) using the locale's alternative numeric symbols.
'%OI': '%I', // Replaced by the hour (12-hour clock) using the locale's alternative numeric symbols.
'%Om': '%m', // Replaced by the month using the locale's alternative numeric symbols.
'%OM': '%M', // Replaced by the minutes using the locale's alternative numeric symbols.
'%OS': '%S', // Replaced by the seconds using the locale's alternative numeric symbols.
'%Ou': '%u', // Replaced by the weekday as a number in the locale's alternative representation (Monday=1).
'%OU': '%U', // Replaced by the week number of the year (Sunday as the first day of the week, rules corresponding to %U ) using the locale's alternative numeric symbols.
'%OV': '%V', // Replaced by the week number of the year (Monday as the first day of the week, rules corresponding to %V ) using the locale's alternative numeric symbols.
'%Ow': '%w', // Replaced by the number of the weekday (Sunday=0) using the locale's alternative numeric symbols.
'%OW': '%W', // Replaced by the week number of the year (Monday as the first day of the week) using the locale's alternative numeric symbols.
'%Oy': '%y', // Replaced by the year (offset from %C ) using the locale's alternative numeric symbols.
};
for (var rule in EXPANSION_RULES_1) {
pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_1[rule]);
}
var WEEKDAYS = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
function leadingSomething(value, digits, character) {
var str = typeof value == 'number' ? value.toString() : (value || '');
while (str.length < digits) {
str = character[0]+str;
}
return str;
}
function leadingNulls(value, digits) {
return leadingSomething(value, digits, '0');
}
function compareByDay(date1, date2) {
function sgn(value) {
return value < 0 ? -1 : (value > 0 ? 1 : 0);
}
var compare;
if ((compare = sgn(date1.getFullYear()-date2.getFullYear())) === 0) {
if ((compare = sgn(date1.getMonth()-date2.getMonth())) === 0) {
compare = sgn(date1.getDate()-date2.getDate());
}
}
return compare;
}
function getFirstWeekStartDate(janFourth) {
switch (janFourth.getDay()) {
case 0: // Sunday
return new Date(janFourth.getFullYear()-1, 11, 29);
case 1: // Monday
return janFourth;
case 2: // Tuesday
return new Date(janFourth.getFullYear(), 0, 3);
case 3: // Wednesday
return new Date(janFourth.getFullYear(), 0, 2);
case 4: // Thursday
return new Date(janFourth.getFullYear(), 0, 1);
case 5: // Friday
return new Date(janFourth.getFullYear()-1, 11, 31);
case 6: // Saturday
return new Date(janFourth.getFullYear()-1, 11, 30);
}
}
function getWeekBasedYear(date) {
var thisDate = addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday);
var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
var janFourthNextYear = new Date(thisDate.getFullYear()+1, 0, 4);
var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
// this date is after the start of the first week of this year
if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
return thisDate.getFullYear()+1;
}
return thisDate.getFullYear();
}
return thisDate.getFullYear()-1;
}
var EXPANSION_RULES_2 = {
'%a': (date) => WEEKDAYS[date.tm_wday].substring(0,3) ,
'%A': (date) => WEEKDAYS[date.tm_wday],
'%b': (date) => MONTHS[date.tm_mon].substring(0,3),
'%B': (date) => MONTHS[date.tm_mon],
'%C': (date) => {
var year = date.tm_year+1900;
return leadingNulls((year/100)|0,2);
},
'%d': (date) => leadingNulls(date.tm_mday, 2),
'%e': (date) => leadingSomething(date.tm_mday, 2, ' '),
'%g': (date) => {
// %g, %G, and %V give values according to the ISO 8601:2000 standard week-based year.
// In this system, weeks begin on a Monday and week 1 of the year is the week that includes
// January 4th, which is also the week that includes the first Thursday of the year, and
// is also the first week that contains at least four days in the year.
// If the first Monday of January is the 2nd, 3rd, or 4th, the preceding days are part of
// the last week of the preceding year; thus, for Saturday 2nd January 1999,
// %G is replaced by 1998 and %V is replaced by 53. If December 29th, 30th,
// or 31st is a Monday, it and any following days are part of week 1 of the following year.
// Thus, for Tuesday 30th December 1997, %G is replaced by 1998 and %V is replaced by 01.
return getWeekBasedYear(date).toString().substring(2);
},
'%G': (date) => getWeekBasedYear(date),
'%H': (date) => leadingNulls(date.tm_hour, 2),
'%I': (date) => {
var twelveHour = date.tm_hour;
if (twelveHour == 0) twelveHour = 12;
else if (twelveHour > 12) twelveHour -= 12;
return leadingNulls(twelveHour, 2);
},
'%j': (date) => {
// Day of the year (001-366)
return leadingNulls(date.tm_mday + arraySum(isLeapYear(date.tm_year+1900) ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR, date.tm_mon-1), 3);
},
'%m': (date) => leadingNulls(date.tm_mon+1, 2),
'%M': (date) => leadingNulls(date.tm_min, 2),
'%n': () => '\n',
'%p': (date) => {
if (date.tm_hour >= 0 && date.tm_hour < 12) {
return 'AM';
}
return 'PM';
},
'%S': (date) => leadingNulls(date.tm_sec, 2),
'%t': () => '\t',
'%u': (date) => date.tm_wday || 7,
'%U': (date) => {
var days = date.tm_yday + 7 - date.tm_wday;
return leadingNulls(Math.floor(days / 7), 2);
},
'%V': (date) => {
// Replaced by the week number of the year (Monday as the first day of the week)
// as a decimal number [01,53]. If the week containing 1 January has four
// or more days in the new year, then it is considered week 1.
// Otherwise, it is the last week of the previous year, and the next week is week 1.
// Both January 4th and the first Thursday of January are always in week 1. [ tm_year, tm_wday, tm_yday]
var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7 ) / 7);
// If 1 Jan is just 1-3 days past Monday, the previous week
// is also in this year.
if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) {
val++;
}
if (!val) {
val = 52;
// If 31 December of prev year a Thursday, or Friday of a
// leap year, then the prev year has 53 weeks.
var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7;
if (dec31 == 4 || (dec31 == 5 && isLeapYear(date.tm_year%400-1))) {
val++;
}
} else if (val == 53) {
// If 1 January is not a Thursday, and not a Wednesday of a
// leap year, then this year has only 52 weeks.
var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7;
if (jan1 != 4 && (jan1 != 3 || !isLeapYear(date.tm_year)))
val = 1;
}
return leadingNulls(val, 2);
},
'%w': (date) => date.tm_wday,
'%W': (date) => {
var days = date.tm_yday + 7 - ((date.tm_wday + 6) % 7);
return leadingNulls(Math.floor(days / 7), 2);
},
'%y': (date) => {
// Replaced by the last two digits of the year as a decimal number [00,99]. [ tm_year]
return (date.tm_year+1900).toString().substring(2);
},
// Replaced by the year as a decimal number (for example, 1997). [ tm_year]
'%Y': (date) => date.tm_year+1900,
'%z': (date) => {
// Replaced by the offset from UTC in the ISO 8601:2000 standard format ( +hhmm or -hhmm ).
// For example, "-0430" means 4 hours 30 minutes behind UTC (west of Greenwich).
var off = date.tm_gmtoff;
var ahead = off >= 0;
off = Math.abs(off) / 60;
// convert from minutes into hhmm format (which means 60 minutes = 100 units)
off = (off / 60)*100 + (off % 60);
return (ahead ? '+' : '-') + String("0000" + off).slice(-4);
},
'%Z': (date) => date.tm_zone,
'%%': () => '%'
};
// Replace %% with a pair of NULLs (which cannot occur in a C string), then
// re-inject them after processing.
pattern = pattern.replace(/%%/g, '\0\0');
for (var rule in EXPANSION_RULES_2) {
if (pattern.includes(rule)) {
pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_2[rule](date));
}
}
pattern = pattern.replace(/\0\0/g, '%');
var bytes = intArrayFromString(pattern, false);
if (bytes.length > maxsize) {
return 0;
}
writeArrayToMemory(bytes, s);
return bytes.length-1;
};
var _strftime_l = (s, maxsize, format, tm, loc) => {
return _strftime(s, maxsize, format, tm); // no locale support yet
};
var handleException = (e) => {
// Certain exception types we do not treat as errors since they are used for
// internal control flow.
// 1. ExitStatus, which is thrown by exit()
// 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
// that wish to return to JS event loop.
if (e instanceof ExitStatus || e == 'unwind') {
return EXITSTATUS;
}
checkStackCookie();
if (e instanceof WebAssembly.RuntimeError) {
if (_emscripten_stack_get_current() <= 0) {
err('Stack overflow detected. You can try increasing -sSTACK_SIZE (currently set to 65536)');
}
}
quit_(1, e);
};
InternalError = Module['InternalError'] = class InternalError extends Error { constructor(message) { super(message); this.name = 'InternalError'; }};
embind_init_charCodes();
BindingError = Module['BindingError'] = class BindingError extends Error { constructor(message) { super(message); this.name = 'BindingError'; }};
handleAllocatorInit();
init_emval();UnboundTypeError = Module['UnboundTypeError'] = extendError(Error, 'UnboundTypeError');
var FSNode = /** @constructor */ function(parent, name, mode, rdev) {
if (!parent) {
parent = this; // root node sets parent to itself
}
this.parent = parent;
this.mount = parent.mount;
this.mounted = null;
this.id = FS.nextInode++;
this.name = name;
this.mode = mode;
this.node_ops = {};
this.stream_ops = {};
this.rdev = rdev;
};
var readMode = 292/*292*/ | 73/*73*/;
var writeMode = 146/*146*/;
Object.defineProperties(FSNode.prototype, {
read: {
get: /** @this{FSNode} */function() {
return (this.mode & readMode) === readMode;
},
set: /** @this{FSNode} */function(val) {
val ? this.mode |= readMode : this.mode &= ~readMode;
}
},
write: {
get: /** @this{FSNode} */function() {
return (this.mode & writeMode) === writeMode;
},
set: /** @this{FSNode} */function(val) {
val ? this.mode |= writeMode : this.mode &= ~writeMode;
}
},
isFolder: {
get: /** @this{FSNode} */function() {
return FS.isDir(this.mode);
}
},
isDevice: {
get: /** @this{FSNode} */function() {
return FS.isChrdev(this.mode);
}
}
});
FS.FSNode = FSNode;
FS.createPreloadedFile = FS_createPreloadedFile;
FS.staticInit();ERRNO_CODES = {
'EPERM': 63,
'ENOENT': 44,
'ESRCH': 71,
'EINTR': 27,
'EIO': 29,
'ENXIO': 60,
'E2BIG': 1,
'ENOEXEC': 45,
'EBADF': 8,
'ECHILD': 12,
'EAGAIN': 6,
'EWOULDBLOCK': 6,
'ENOMEM': 48,
'EACCES': 2,
'EFAULT': 21,
'ENOTBLK': 105,
'EBUSY': 10,
'EEXIST': 20,
'EXDEV': 75,
'ENODEV': 43,
'ENOTDIR': 54,
'EISDIR': 31,
'EINVAL': 28,
'ENFILE': 41,
'EMFILE': 33,
'ENOTTY': 59,
'ETXTBSY': 74,
'EFBIG': 22,
'ENOSPC': 51,
'ESPIPE': 70,
'EROFS': 69,
'EMLINK': 34,
'EPIPE': 64,
'EDOM': 18,
'ERANGE': 68,
'ENOMSG': 49,
'EIDRM': 24,
'ECHRNG': 106,
'EL2NSYNC': 156,
'EL3HLT': 107,
'EL3RST': 108,
'ELNRNG': 109,
'EUNATCH': 110,
'ENOCSI': 111,
'EL2HLT': 112,
'EDEADLK': 16,
'ENOLCK': 46,
'EBADE': 113,
'EBADR': 114,
'EXFULL': 115,
'ENOANO': 104,
'EBADRQC': 103,
'EBADSLT': 102,
'EDEADLOCK': 16,
'EBFONT': 101,
'ENOSTR': 100,
'ENODATA': 116,
'ETIME': 117,
'ENOSR': 118,
'ENONET': 119,
'ENOPKG': 120,
'EREMOTE': 121,
'ENOLINK': 47,
'EADV': 122,
'ESRMNT': 123,
'ECOMM': 124,
'EPROTO': 65,
'EMULTIHOP': 36,
'EDOTDOT': 125,
'EBADMSG': 9,
'ENOTUNIQ': 126,
'EBADFD': 127,
'EREMCHG': 128,
'ELIBACC': 129,
'ELIBBAD': 130,
'ELIBSCN': 131,
'ELIBMAX': 132,
'ELIBEXEC': 133,
'ENOSYS': 52,
'ENOTEMPTY': 55,
'ENAMETOOLONG': 37,
'ELOOP': 32,
'EOPNOTSUPP': 138,
'EPFNOSUPPORT': 139,
'ECONNRESET': 15,
'ENOBUFS': 42,
'EAFNOSUPPORT': 5,
'EPROTOTYPE': 67,
'ENOTSOCK': 57,
'ENOPROTOOPT': 50,
'ESHUTDOWN': 140,
'ECONNREFUSED': 14,
'EADDRINUSE': 3,
'ECONNABORTED': 13,
'ENETUNREACH': 40,
'ENETDOWN': 38,
'ETIMEDOUT': 73,
'EHOSTDOWN': 142,
'EHOSTUNREACH': 23,
'EINPROGRESS': 26,
'EALREADY': 7,
'EDESTADDRREQ': 17,
'EMSGSIZE': 35,
'EPROTONOSUPPORT': 66,
'ESOCKTNOSUPPORT': 137,
'EADDRNOTAVAIL': 4,
'ENETRESET': 39,
'EISCONN': 30,
'ENOTCONN': 53,
'ETOOMANYREFS': 141,
'EUSERS': 136,
'EDQUOT': 19,
'ESTALE': 72,
'ENOTSUP': 138,
'ENOMEDIUM': 148,
'EILSEQ': 25,
'EOVERFLOW': 61,
'ECANCELED': 11,
'ENOTRECOVERABLE': 56,
'EOWNERDEAD': 62,
'ESTRPIPE': 135,
};function checkIncomingModuleAPI() {
ignoredModuleProp('fetchSettings');
}
var wasmImports = {
/** @export */
__cxa_throw: ___cxa_throw,
/** @export */
_embind_finalize_value_object: __embind_finalize_value_object,
/** @export */
_embind_register_bigint: __embind_register_bigint,
/** @export */
_embind_register_bool: __embind_register_bool,
/** @export */
_embind_register_emval: __embind_register_emval,
/** @export */
_embind_register_float: __embind_register_float,
/** @export */
_embind_register_function: __embind_register_function,
/** @export */
_embind_register_integer: __embind_register_integer,
/** @export */
_embind_register_memory_view: __embind_register_memory_view,
/** @export */
_embind_register_std_string: __embind_register_std_string,
/** @export */
_embind_register_std_wstring: __embind_register_std_wstring,
/** @export */
_embind_register_value_object: __embind_register_value_object,
/** @export */
_embind_register_value_object_field: __embind_register_value_object_field,
/** @export */
_embind_register_void: __embind_register_void,
/** @export */
_emscripten_throw_longjmp: __emscripten_throw_longjmp,
/** @export */
_emval_decref: __emval_decref,
/** @export */
_emval_incref: __emval_incref,
/** @export */
_emval_new_cstring: __emval_new_cstring,
/** @export */
_emval_take_value: __emval_take_value,
/** @export */
abort: _abort,
/** @export */
emscripten_memcpy_js: _emscripten_memcpy_js,
/** @export */
emscripten_resize_heap: _emscripten_resize_heap,
/** @export */
environ_get: _environ_get,
/** @export */
environ_sizes_get: _environ_sizes_get,
/** @export */
exit: _exit,
/** @export */
fd_close: _fd_close,
/** @export */
fd_read: _fd_read,
/** @export */
fd_seek: _fd_seek,
/** @export */
fd_write: _fd_write,
/** @export */
invoke_ii: invoke_ii,
/** @export */
invoke_iii: invoke_iii,
/** @export */
invoke_iiii: invoke_iiii,
/** @export */
invoke_iiiii: invoke_iiiii,
/** @export */
invoke_vi: invoke_vi,
/** @export */
invoke_viii: invoke_viii,
/** @export */
strftime_l: _strftime_l
};
var wasmExports = createWasm();
var _malloc = createExportWrapper('malloc');
var _main = Module['_main'] = createExportWrapper('main');
var _free = createExportWrapper('free');
var ___getTypeName = createExportWrapper('__getTypeName');
Module['__embind_initialize_bindings'] = createExportWrapper('_embind_initialize_bindings');
var _fflush = Module['_fflush'] = createExportWrapper('fflush');
var _setThrew = createExportWrapper('setThrew');
var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports['emscripten_stack_init'])();
var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports['emscripten_stack_get_end'])();
var stackSave = createExportWrapper('stackSave');
var stackRestore = createExportWrapper('stackRestore');
var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])();
var ___cxa_is_pointer_type = createExportWrapper('__cxa_is_pointer_type');
Module['dynCall_jiji'] = createExportWrapper('dynCall_jiji');
Module['dynCall_viijii'] = createExportWrapper('dynCall_viijii');
Module['dynCall_iiiiij'] = createExportWrapper('dynCall_iiiiij');
Module['dynCall_iiiiijj'] = createExportWrapper('dynCall_iiiiijj');
Module['dynCall_iiiiiijj'] = createExportWrapper('dynCall_iiiiiijj');
function invoke_ii(index,a1) {
var sp = stackSave();
try {
return getWasmTableEntry(index)(a1);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_vi(index,a1) {
var sp = stackSave();
try {
getWasmTableEntry(index)(a1);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_viii(index,a1,a2,a3) {
var sp = stackSave();
try {
getWasmTableEntry(index)(a1,a2,a3);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_iiii(index,a1,a2,a3) {
var sp = stackSave();
try {
return getWasmTableEntry(index)(a1,a2,a3);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_iii(index,a1,a2) {
var sp = stackSave();
try {
return getWasmTableEntry(index)(a1,a2);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_iiiii(index,a1,a2,a3,a4) {
var sp = stackSave();
try {
return getWasmTableEntry(index)(a1,a2,a3,a4);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
// include: postamble.js
// === Auto-generated postamble setup entry stuff ===
var missingLibrarySymbols = [
'writeI53ToI64',
'writeI53ToI64Clamped',
'writeI53ToI64Signaling',
'writeI53ToU64Clamped',
'writeI53ToU64Signaling',
'readI53FromI64',
'readI53FromU64',
'convertI32PairToI53',
'convertU32PairToI53',
'ydayFromDate',
'setErrNo',
'inetPton4',
'inetNtop4',
'inetPton6',
'inetNtop6',
'readSockaddr',
'writeSockaddr',
'getHostByName',
'getCallstack',
'emscriptenLog',
'convertPCtoSourceLocation',
'readEmAsmArgs',
'jstoi_q',
'jstoi_s',
'listenOnce',
'autoResumeAudioContext',
'runtimeKeepalivePush',
'runtimeKeepalivePop',
'callUserCallback',
'maybeExit',
'asmjsMangle',
'getNativeTypeSize',
'STACK_SIZE',
'STACK_ALIGN',
'POINTER_SIZE',
'ASSERTIONS',
'getCFunc',
'ccall',
'cwrap',
'uleb128Encode',
'sigToWasmTypes',
'generateFuncType',
'convertJsFunctionToWasm',
'getEmptyTableSlot',
'updateTableMap',
'getFunctionAddress',
'addFunction',
'removeFunction',
'reallyNegative',
'unSign',
'strLen',
'reSign',
'formatString',
'intArrayToString',
'AsciiToString',
'stringToNewUTF8',
'stringToUTF8OnStack',
'registerKeyEventCallback',
'maybeCStringToJsString',
'findEventTarget',
'findCanvasEventTarget',
'getBoundingClientRect',
'fillMouseEventData',
'registerMouseEventCallback',
'registerWheelEventCallback',
'registerUiEventCallback',
'registerFocusEventCallback',
'fillDeviceOrientationEventData',
'registerDeviceOrientationEventCallback',
'fillDeviceMotionEventData',
'registerDeviceMotionEventCallback',
'screenOrientation',
'fillOrientationChangeEventData',
'registerOrientationChangeEventCallback',
'fillFullscreenChangeEventData',
'registerFullscreenChangeEventCallback',
'JSEvents_requestFullscreen',
'JSEvents_resizeCanvasForFullscreen',
'registerRestoreOldStyle',
'hideEverythingExceptGivenElement',
'restoreHiddenElements',
'setLetterbox',
'softFullscreenResizeWebGLRenderTarget',
'doRequestFullscreen',
'fillPointerlockChangeEventData',
'registerPointerlockChangeEventCallback',
'registerPointerlockErrorEventCallback',
'requestPointerLock',
'fillVisibilityChangeEventData',
'registerVisibilityChangeEventCallback',
'registerTouchEventCallback',
'fillGamepadEventData',
'registerGamepadEventCallback',
'registerBeforeUnloadEventCallback',
'fillBatteryEventData',
'battery',
'registerBatteryEventCallback',
'setCanvasElementSize',
'getCanvasElementSize',
'jsStackTrace',
'stackTrace',
'checkWasiClock',
'wasiRightsToMuslOFlags',
'wasiOFlagsToMuslOFlags',
'createDyncallWrapper',
'safeSetTimeout',
'setImmediateWrapped',
'clearImmediateWrapped',
'polyfillSetImmediate',
'getPromise',
'makePromise',
'idsToPromises',
'makePromiseCallback',
'findMatchingCatch',
'setMainLoop',
'getSocketFromFD',
'getSocketAddress',
'FS_unlink',
'FS_mkdirTree',
'_setNetworkCallback',
'heapObjectForWebGLType',
'heapAccessShiftForWebGLHeap',
'webgl_enable_ANGLE_instanced_arrays',
'webgl_enable_OES_vertex_array_object',
'webgl_enable_WEBGL_draw_buffers',
'webgl_enable_WEBGL_multi_draw',
'emscriptenWebGLGet',
'computeUnpackAlignedImageSize',
'colorChannelsInGlTextureFormat',
'emscriptenWebGLGetTexPixelData',
'__glGenObject',
'emscriptenWebGLGetUniform',
'webglGetUniformLocation',
'webglPrepareUniformLocationsBeforeFirstUse',
'webglGetLeftBracePos',
'emscriptenWebGLGetVertexAttrib',
'__glGetActiveAttribOrUniform',
'writeGLArray',
'registerWebGlEventCallback',
'runAndAbortIfError',
'SDL_unicode',
'SDL_ttfContext',
'SDL_audio',
'ALLOC_NORMAL',
'ALLOC_STACK',
'allocate',
'writeStringToMemory',
'writeAsciiToMemory',
'getFunctionArgsName',
'init_embind',
'getBasestPointer',
'registerInheritedInstance',
'unregisterInheritedInstance',
'getInheritedInstance',
'getInheritedInstanceCount',
'getLiveInheritedInstances',
'enumReadValueFromPointer',
'genericPointerToWireType',
'constNoSmartPtrRawPointerToWireType',
'nonConstNoSmartPtrRawPointerToWireType',
'init_RegisteredPointer',
'RegisteredPointer',
'RegisteredPointer_fromWireType',
'runDestructor',
'releaseClassHandle',
'detachFinalizer',
'attachFinalizer',
'makeClassHandle',
'init_ClassHandle',
'ClassHandle',
'throwInstanceAlreadyDeleted',
'flushPendingDeletes',
'setDelayFunction',
'RegisteredClass',
'shallowCopyInternalPointer',
'downcastPointer',
'upcastPointer',
'validateThis',
'craftEmvalAllocator',
'emval_get_global',
'emval_lookupTypes',
'emval_addMethodCaller',
];
missingLibrarySymbols.forEach(missingLibrarySymbol);
var unexportedSymbols = [
'run',
'addOnPreRun',
'addOnInit',
'addOnPreMain',
'addOnExit',
'addOnPostRun',
'addRunDependency',
'removeRunDependency',
'FS_createFolder',
'FS_createPath',
'FS_createLazyFile',
'FS_createLink',
'FS_createDevice',
'FS_readFile',
'out',
'err',
'callMain',
'abort',
'wasmMemory',
'wasmExports',
'stackAlloc',
'stackSave',
'stackRestore',
'getTempRet0',
'setTempRet0',
'writeStackCookie',
'checkStackCookie',
'convertI32PairToI53Checked',
'ptrToString',
'zeroMemory',
'exitJS',
'getHeapMax',
'growMemory',
'ENV',
'MONTH_DAYS_REGULAR',
'MONTH_DAYS_LEAP',
'MONTH_DAYS_REGULAR_CUMULATIVE',
'MONTH_DAYS_LEAP_CUMULATIVE',
'isLeapYear',
'arraySum',
'addDays',
'ERRNO_CODES',
'ERRNO_MESSAGES',
'DNS',
'Protocols',
'Sockets',
'initRandomFill',
'randomFill',
'timers',
'warnOnce',
'UNWIND_CACHE',
'readEmAsmArgsArray',
'getExecutableName',
'dynCallLegacy',
'getDynCaller',
'dynCall',
'handleException',
'keepRuntimeAlive',
'asyncLoad',
'alignMemory',
'mmapAlloc',
'handleAllocatorInit',
'HandleAllocator',
'wasmTable',
'noExitRuntime',
'freeTableIndexes',
'functionsInTableMap',
'setValue',
'getValue',
'PATH',
'PATH_FS',
'UTF8Decoder',
'UTF8ArrayToString',
'UTF8ToString',
'stringToUTF8Array',
'stringToUTF8',
'lengthBytesUTF8',
'intArrayFromString',
'stringToAscii',
'UTF16Decoder',
'UTF16ToString',
'stringToUTF16',
'lengthBytesUTF16',
'UTF32ToString',
'stringToUTF32',
'lengthBytesUTF32',
'writeArrayToMemory',
'JSEvents',
'specialHTMLTargets',
'currentFullscreenStrategy',
'restoreOldWindowedStyle',
'demangle',
'demangleAll',
'ExitStatus',
'getEnvStrings',
'doReadv',
'doWritev',
'promiseMap',
'uncaughtExceptionCount',
'exceptionLast',
'exceptionCaught',
'ExceptionInfo',
'Browser',
'wget',
'SYSCALLS',
'preloadPlugins',
'FS_createPreloadedFile',
'FS_modeStringToFlags',
'FS_getMode',
'FS_stdin_getChar_buffer',
'FS_stdin_getChar',
'FS',
'FS_createDataFile',
'MEMFS',
'TTY',
'PIPEFS',
'SOCKFS',
'tempFixedLengthArray',
'miniTempWebGLFloatBuffers',
'miniTempWebGLIntBuffers',
'GL',
'emscripten_webgl_power_preferences',
'AL',
'GLUT',
'EGL',
'GLEW',
'IDBStore',
'SDL',
'SDL_gfx',
'allocateUTF8',
'allocateUTF8OnStack',
'InternalError',
'BindingError',
'throwInternalError',
'throwBindingError',
'registeredTypes',
'awaitingDependencies',
'typeDependencies',
'tupleRegistrations',
'structRegistrations',
'sharedRegisterType',
'whenDependentTypesAreResolved',
'embind_charCodes',
'embind_init_charCodes',
'readLatin1String',
'getTypeName',
'getFunctionName',
'heap32VectorToArray',
'requireRegisteredType',
'UnboundTypeError',
'PureVirtualError',
'GenericWireTypeSize',
'throwUnboundTypeError',
'ensureOverloadTable',
'exposePublicSymbol',
'replacePublicSymbol',
'extendError',
'createNamedFunction',
'embindRepr',
'registeredInstances',
'registeredPointers',
'registerType',
'integerReadValueFromPointer',
'floatReadValueFromPointer',
'simpleReadValueFromPointer',
'readPointer',
'runDestructors',
'newFunc',
'craftInvokerFunction',
'embind__requireFunction',
'finalizationRegistry',
'detachFinalizer_deps',
'deletionQueue',
'delayFunction',
'char_0',
'char_9',
'makeLegalFunctionName',
'emval_handles',
'emval_symbols',
'init_emval',
'count_emval_handles',
'getStringOrSymbol',
'Emval',
'emval_newers',
'emval_methodCallers',
];
unexportedSymbols.forEach(unexportedRuntimeSymbol);
var calledRun;
dependenciesFulfilled = function runCaller() {
// If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
if (!calledRun) run();
if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
};
function callMain() {
assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
var entryFunction = _main;
var argc = 0;
var argv = 0;
try {
var ret = entryFunction(argc, argv);
// if we're not running an evented main loop, it's time to exit
exitJS(ret, /* implicit = */ true);
return ret;
}
catch (e) {
return handleException(e);
}
}
function stackCheckInit() {
// This is normally called automatically during __wasm_call_ctors but need to
// get these values before even running any of the ctors so we call it redundantly
// here.
_emscripten_stack_init();
// TODO(sbc): Move writeStackCookie to native to to avoid this.
writeStackCookie();
}
function run() {
if (runDependencies > 0) {
return;
}
stackCheckInit();
preRun();
// a preRun added a dependency, run will be called later
if (runDependencies > 0) {
return;
}
function doRun() {
// run may have just been called through dependencies being fulfilled just in this very frame,
// or while the async setStatus time below was happening
if (calledRun) return;
calledRun = true;
Module['calledRun'] = true;
if (ABORT) return;
initRuntime();
preMain();
readyPromiseResolve(Module);
if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
if (shouldRunNow) callMain();
postRun();
}
if (Module['setStatus']) {
Module['setStatus']('Running...');
setTimeout(function() {
setTimeout(function() {
Module['setStatus']('');
}, 1);
doRun();
}, 1);
} else
{
doRun();
}
checkStackCookie();
}
function checkUnflushedContent() {
// Compiler settings do not allow exiting the runtime, so flushing
// the streams is not possible. but in ASSERTIONS mode we check
// if there was something to flush, and if so tell the user they
// should request that the runtime be exitable.
// Normally we would not even include flush() at all, but in ASSERTIONS
// builds we do so just for this check, and here we see if there is any
// content to flush, that is, we check if there would have been
// something a non-ASSERTIONS build would have not seen.
// How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0
// mode (which has its own special function for this; otherwise, all
// the code is inside libc)
var oldOut = out;
var oldErr = err;
var has = false;
out = err = (x) => {
has = true;
};
try { // it doesn't matter if it fails
_fflush(0);
// also flush in the JS FS layer
['stdout', 'stderr'].forEach(function(name) {
var info = FS.analyzePath('/dev/' + name);
if (!info) return;
var stream = info.object;
var rdev = stream.rdev;
var tty = TTY.ttys[rdev];
if (tty && tty.output && tty.output.length) {
has = true;
}
});
} catch(e) {}
out = oldOut;
err = oldErr;
if (has) {
warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the Emscripten FAQ), or make sure to emit a newline when you printf etc.');
}
}
if (Module['preInit']) {
if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
while (Module['preInit'].length > 0) {
Module['preInit'].pop()();
}
}
// shouldRunNow refers to calling main(), not run().
var shouldRunNow = true;
if (Module['noInitialRun']) shouldRunNow = false;
run();
// end include: postamble.js
return moduleArg.ready
}
);
})();
// @ts-expect-error untyped
let library;
/**
* Instances the WASM module and returns it, only one module will be created upon multiple calls.
* @category WASM
* @group WASM
*
* @returns
*/
const getLibrary = async () => {
if (!library) {
library = await Module();
}
return library;
};
/**
* Decodes a JPEG file with an embedded Gainmap and XMP Metadata (aka JPEG-R)
*
* @category Decoding
* @group Decoding
* @deprecated
* @example
* import { decodeJPEGMetadata } from '@monogrid/gainmap-js/libultrahdr'
*
* // fetch a JPEG image containing a gainmap as ArrayBuffer
* const gainmap = new Uint8Array(await (await fetch('gainmap.jpeg')).arrayBuffer())
*
* // extract data from the JPEG
* const { gainMap, sdr, parsedMetadata } = await decodeJPEGMetadata(gainmap)
*
* @param file A Jpeg file Uint8Array.
* @returns The decoded data
* @throws {Error} if the provided file cannot be parsed or does not contain a valid Gainmap
*/
/* istanbul ignore next */
const decodeJPEGMetadata = async (file) => {
const lib = await getLibrary();
const result = lib.extractJpegR(file, file.length);
if (!result.success)
throw new Error(`${result.errorMessage}`);
const getXMLValue = (xml, tag, defaultValue) => {
// Check for attribute format first: tag="value"
const attributeMatch = new RegExp(`${tag}="([^"]*)"`, 'i').exec(xml);
if (attributeMatch)
return attributeMatch[1];
// Check for tag format: <tag>value</tag> or <tag><rdf:li>value</rdf:li>...</tag>
const tagMatch = new RegExp(`<${tag}[^>]*>([\\s\\S]*?)</${tag}>`, 'i').exec(xml);
if (tagMatch) {
// Check if it contains rdf:li elements
const liValues = tagMatch[1].match(/<rdf:li>([^<]*)<\/rdf:li>/g);
if (liValues && liValues.length === 3) {
return liValues.map(v => v.replace(/<\/?rdf:li>/g, ''));
}
return tagMatch[1].trim();
}
if (defaultValue !== undefined)
return defaultValue;
throw new Error(`Can't find ${tag} in gainmap metadata`);
};
const metadata = result.metadata;
const gainMapMin = getXMLValue(metadata, 'hdrgm:GainMapMin', '0');
const gainMapMax = getXMLValue(metadata, 'hdrgm:GainMapMax');
const gamma = getXMLValue(metadata, 'hdrgm:Gamma', '1');
const offsetSDR = getXMLValue(metadata, 'hdrgm:OffsetSDR', '0.015625');
const offsetHDR = getXMLValue(metadata, 'hdrgm:OffsetHDR', '0.015625');
// These are always attributes, so we can use a simpler regex
const hdrCapacityMinMatch = /hdrgm:HDRCapacityMin="([^"]*)"/.exec(metadata);
const hdrCapacityMin = hdrCapacityMinMatch ? hdrCapacityMinMatch[1] : '0';
const hdrCapacityMaxMatch = /hdrgm:HDRCapacityMax="([^"]*)"/.exec(metadata);
if (!hdrCapacityMaxMatch)
throw new Error('Incomplete gainmap metadata');
const hdrCapacityMax = hdrCapacityMaxMatch[1];
const parsedMetadata = {
gainMapMin: Array.isArray(gainMapMin) ? gainMapMin.map(v => parseFloat(v)) : [parseFloat(gainMapMin), parseFloat(gainMapMin), parseFloat(gainMapMin)],
gainMapMax: Array.isArray(gainMapMax) ? gainMapMax.map(v => parseFloat(v)) : [parseFloat(gainMapMax), parseFloat(gainMapMax), parseFloat(gainMapMax)],
gamma: Array.isArray(gamma) ? gamma.map(v => parseFloat(v)) : [parseFloat(gamma), parseFloat(gamma), parseFloat(gamma)],
offsetSdr: Array.isArray(offsetSDR) ? offsetSDR.map(v => parseFloat(v)) : [parseFloat(offsetSDR), parseFloat(offsetSDR), parseFloat(offsetSDR)],
offsetHdr: Array.isArray(offsetHDR) ? offsetHDR.map(v => parseFloat(v)) : [parseFloat(offsetHDR), parseFloat(offsetHDR), parseFloat(offsetHDR)],
hdrCapacityMin: parseFloat(hdrCapacityMin),
hdrCapacityMax: parseFloat(hdrCapacityMax)
};
return {
...result,
parsedMetadata
};
};
/**
* Encapsulates a Gainmap into a single JPEG file (aka: JPEG-R) with the base map
* as the sdr visualization and the gainMap encoded into a MPF (Multi-Picture Format) tag.
*
* @category Encoding
* @group Encoding
*
* @example
* import { compress, encode, findTextureMinMax } from '@monogrid/gainmap-js'
* import { encodeJPEGMetadata } from '@monogrid/gainmap-js/libultrahdr'
* import { EXRLoader } from 'three/examples/jsm/loaders/EXRLoader.js'
*
* // load an HDR file
* const loader = new EXRLoader()
* const image = await loader.loadAsync('image.exr')
*
* // find RAW RGB Max value of a texture
* const textureMax = await findTextureMinMax(image)
*
* // Encode the gainmap
* const encodingResult = encode({
* image,
* maxContentBoost: Math.max.apply(this, textureMax)
* })
*
* // obtain the RAW RGBA SDR buffer and create an ImageData
* const sdrImageData = new ImageData(
* encodingResult.sdr.toArray(),
* encodingResult.sdr.width,
* encodingResult.sdr.height
* )
* // obtain the RAW RGBA Gain map buffer and create an ImageData
* const gainMapImageData = new ImageData(
* encodingResult.gainMap.toArray(),
* encodingResult.gainMap.width,
* encodingResult.gainMap.height
* )
*
* // parallel compress the RAW buffers into the specified mimeType
* const mimeType = 'image/jpeg'
* const quality = 0.9
*
* const [sdr, gainMap] = await Promise.all([
* compress({
* source: sdrImageData,
* mimeType,
* quality,
* flipY: true // output needs to be flipped
* }),
* compress({
* source: gainMapImageData,
* mimeType,
* quality,
* flipY: true // output needs to be flipped
* })
* ])
*
* // obtain the metadata which will be embedded into
* // and XMP tag inside the final JPEG file
* const metadata = encodingResult.getMetadata()
*
* // embed the compressed images + metadata into a single
* // JPEG file
* const jpeg = await encodeJPEGMetadata({
* ...encodingResult,
* ...metadata,
* sdr,
* gainMap
* })
*
* // `jpeg` will be an `Uint8Array` which can be saved somewhere
*
*
* @param encodingResult
* @returns an Uint8Array representing a JPEG-R file
* @throws {Error} If `encodingResult.sdr.mimeType !== 'image/jpeg'`
* @throws {Error} If `encodingResult.gainMap.mimeType !== 'image/jpeg'`
*/
const encodeJPEGMetadata = async (encodingResult) => {
const lib = await getLibrary();
if (encodingResult.sdr.mimeType !== 'image/jpeg')
throw new Error('This function expects an SDR image compressed in jpeg');
if (encodingResult.gainMap.mimeType !== 'image/jpeg')
throw new Error('This function expects a GainMap image compressed in jpeg');
return lib.appendGainMap(encodingResult.sdr.width, encodingResult.sdr.height, encodingResult.sdr.data, encodingResult.sdr.data.length, encodingResult.gainMap.data, encodingResult.gainMap.data.length, encodingResult.gainMapMax.reduce((p, n) => p + n, 0) / encodingResult.gainMapMax.length, encodingResult.gainMapMin.reduce((p, n) => p + n, 0) / encodingResult.gainMapMin.length, encodingResult.gamma.reduce((p, n) => p + n, 0) / encodingResult.gamma.length, encodingResult.offsetSdr.reduce((p, n) => p + n, 0) / encodingResult.offsetSdr.length, encodingResult.offsetHdr.reduce((p, n) => p + n, 0) / encodingResult.offsetHdr.length, encodingResult.hdrCapacityMin, encodingResult.hdrCapacityMax);
};
exports.decodeJPEGMetadata = decodeJPEGMetadata;
exports.encodeJPEGMetadata = encodeJPEGMetadata;
exports.getLibrary = getLibrary;
}));