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phy-engine

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JavaScript 3D Physics for three.js

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var BASIS = (() => { var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined; return ( async function(moduleArg = {}) { var moduleRtn; // 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(moduleArg) => Promise<Module> // 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; // 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 WorkerGlobalScope != 'undefined'; // N.b. Electron.js environment is simultaneously a NODE-environment, but // also a web environment. var ENVIRONMENT_IS_NODE = typeof process == 'object' && process.versions?.node && process.type != 'renderer'; var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; // --pre-jses are emitted after the Module integration code, so that they can // refer to Module (if they choose; they can also define Module) var arguments_ = []; var thisProgram = './this.program'; var quit_ = (status, toThrow) => { throw toThrow; }; if (typeof __filename != 'undefined') { // Node _scriptName = __filename; } else if (ENVIRONMENT_IS_WORKER) { _scriptName = self.location.href; } // `/` 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 readAsync, readBinary; if (ENVIRONMENT_IS_NODE) { // These modules will usually be used on Node.js. Load them eagerly to avoid // the complexity of lazy-loading. var fs = require('fs'); scriptDirectory = __dirname + '/'; // include: node_shell_read.js readBinary = (filename) => { // We need to re-wrap `file://` strings to URLs. filename = isFileURI(filename) ? new URL(filename) : filename; var ret = fs.readFileSync(filename); return ret; }; readAsync = async (filename, binary = true) => { // See the comment in the `readBinary` function. filename = isFileURI(filename) ? new URL(filename) : filename; var ret = fs.readFileSync(filename, binary ? undefined : 'utf8'); return ret; }; // end include: node_shell_read.js if (process.argv.length > 1) { thisProgram = process.argv[1].replace(/\\/g, '/'); } arguments_ = process.argv.slice(2); quit_ = (status, toThrow) => { process.exitCode = status; throw toThrow; }; } 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) { try { scriptDirectory = new URL('.', _scriptName).href; // includes trailing slash } catch { // Must be a `blob:` or `data:` URL (e.g. `blob:http://site.com/etc/etc`), we cannot // infer anything from them. } { // include: web_or_worker_shell_read.js 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 = async (url) => { // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. // See https://github.com/github/fetch/pull/92#issuecomment-140665932 // Cordova or Electron apps are typically loaded from a file:// url. // So use XHR on webview if URL is a file URL. if (isFileURI(url)) { return new Promise((resolve, reject) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, true); xhr.responseType = 'arraybuffer'; xhr.onload = () => { if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 resolve(xhr.response); return; } reject(xhr.status); }; xhr.onerror = reject; xhr.send(null); }); } var response = await fetch(url, { credentials: 'same-origin' }); if (response.ok) { return response.arrayBuffer(); } throw new Error(response.status + ' : ' + response.url); }; // end include: web_or_worker_shell_read.js } } else { } var out = console.log.bind(console); var err = console.error.bind(console); // 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; // Wasm globals //======================================== // Runtime essentials //======================================== // whether we are quitting the application. no code should run after this. // set in exit() and abort() var ABORT = false; // set by exit() and abort(). Passed to 'onExit' handler. // NOTE: This is also used as the process return code code in shell environments // but only when noExitRuntime is false. var EXITSTATUS; // In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we // don't define it at all in release modes. This matches the behaviour of // MINIMAL_RUNTIME. // TODO(sbc): Make this the default even without STRICT enabled. /** @type {function(*, string=)} */ function assert(condition, text) { if (!condition) { // This build was created without ASSERTIONS defined. `assert()` should not // ever be called in this configuration but in case there are callers in // the wild leave this simple abort() implementation here for now. abort(text); } } /** * Indicates whether filename is delivered via file protocol (as opposed to http/https) * @noinline */ var isFileURI = (filename) => filename.startsWith('file://'); // include: runtime_common.js // include: runtime_stack_check.js // end include: runtime_stack_check.js // include: runtime_exceptions.js // end include: runtime_exceptions.js // include: runtime_debug.js // end include: runtime_debug.js var readyPromiseResolve, readyPromiseReject; // Memory management var wasmMemory; 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; // BigInt64Array type is not correctly defined in closure var /** not-@type {!BigInt64Array} */ HEAP64, /* BigUint64Array type is not correctly defined in closure /** not-@type {!BigUint64Array} */ HEAPU64; var runtimeInitialized = false; function updateMemoryViews() { var b = wasmMemory.buffer; Module['HEAP8'] = HEAP8 = new Int8Array(b); HEAP16 = new Int16Array(b); HEAPU8 = new Uint8Array(b); HEAPU16 = new Uint16Array(b); HEAP32 = new Int32Array(b); HEAPU32 = new Uint32Array(b); HEAPF32 = new Float32Array(b); HEAPF64 = new Float64Array(b); HEAP64 = new BigInt64Array(b); HEAPU64 = new BigUint64Array(b); } // include: memoryprofiler.js // end include: memoryprofiler.js // end include: runtime_common.js function preRun() { if (Module['preRun']) { if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; while (Module['preRun'].length) { addOnPreRun(Module['preRun'].shift()); } } // Begin ATPRERUNS hooks callRuntimeCallbacks(onPreRuns); // End ATPRERUNS hooks } function initRuntime() { runtimeInitialized = true; // No ATINITS hooks wasmExports['__wasm_call_ctors'](); // No ATPOSTCTORS hooks } function postRun() { // PThreads reuse the runtime from the main thread. if (Module['postRun']) { if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; while (Module['postRun'].length) { addOnPostRun(Module['postRun'].shift()); } } // Begin ATPOSTRUNS hooks callRuntimeCallbacks(onPostRuns); // End ATPOSTRUNS hooks } // 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 dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled function addRunDependency(id) { runDependencies++; Module['monitorRunDependencies']?.(runDependencies); } function removeRunDependency(id) { runDependencies--; Module['monitorRunDependencies']?.(runDependencies); if (runDependencies == 0) { if (dependenciesFulfilled) { var callback = dependenciesFulfilled; dependenciesFulfilled = null; callback(); // can add another dependenciesFulfilled } } } /** @param {string|number=} what */ function abort(what) { Module['onAbort']?.(what); what = 'Aborted(' + what + ')'; // TODO(sbc): Should we remove printing and leave it up to whoever // catches the exception? err(what); ABORT = true; what += '. Build with -sASSERTIONS for more info.'; // Use a wasm runtime error, because a JS error might be seen as a foreign // exception, which means we'd run destructors on it. We need the error to // simply make the program stop. // FIXME This approach does not work in Wasm EH because it currently does not assume // all RuntimeErrors are from traps; it decides whether a RuntimeError is from // a trap or not based on a hidden field within the object. So at the moment // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that // allows this in the wasm spec. // Suppress closure compiler warning here. Closure compiler's builtin extern // definition for WebAssembly.RuntimeError claims it takes no arguments even // though it can. // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what); readyPromiseReject?.(e); // Throw the error whether or not MODULARIZE is set because abort is used // in code paths apart from instantiation where an exception is expected // to be thrown when abort is called. throw e; } var wasmBinaryFile; function findWasmBinary() { return locateFile('basis_transcoder.wasm'); } 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'; } async function getWasmBinary(binaryFile) { // If we don't have the binary yet, load it asynchronously using readAsync. if (!wasmBinary) { // Fetch the binary using readAsync try { var response = await readAsync(binaryFile); return new Uint8Array(response); } catch { // Fall back to getBinarySync below; } } // Otherwise, getBinarySync should be able to get it synchronously return getBinarySync(binaryFile); } async function instantiateArrayBuffer(binaryFile, imports) { try { var binary = await getWasmBinary(binaryFile); var instance = await WebAssembly.instantiate(binary, imports); return instance; } catch (reason) { err(`failed to asynchronously prepare wasm: ${reason}`); abort(reason); } } async function instantiateAsync(binary, binaryFile, imports) { if (!binary && typeof WebAssembly.instantiateStreaming == 'function' // 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 ) { try { var response = fetch(binaryFile, { credentials: 'same-origin' }); var instantiationResult = await WebAssembly.instantiateStreaming(response, imports); return instantiationResult; } catch (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'); // fall back of instantiateArrayBuffer below }; } return instantiateArrayBuffer(binaryFile, imports); } function getWasmImports() { // prepare imports return { 'env': wasmImports, 'wasi_snapshot_preview1': wasmImports, } } // Create the wasm instance. // Receives the wasm imports, returns the exports. async function createWasm() { // 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']; updateMemoryViews(); wasmTable = wasmExports['__indirect_function_table']; assignWasmExports(wasmExports); removeRunDependency('wasm-instantiate'); return wasmExports; } // wait for the pthread pool (if any) addRunDependency('wasm-instantiate'); // Prefer streaming instantiation if available. 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 // 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. return receiveInstance(result['instance']); } var info = getWasmImports(); // 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']) { return new Promise((resolve, reject) => { Module['instantiateWasm'](info, (mod, inst) => { resolve(receiveInstance(mod, inst)); }); }); } wasmBinaryFile ??= findWasmBinary(); var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info); var exports = receiveInstantiationResult(result); return exports; } // end include: preamble.js // Begin JS library code class ExitStatus { name = 'ExitStatus'; constructor(status) { 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 onPostRuns = []; var addOnPostRun = (cb) => onPostRuns.push(cb); var onPreRuns = []; var addOnPreRun = (cb) => onPreRuns.push(cb); /** * @param {number} ptr * @param {string} type */ function getValue(ptr, type = 'i8') { if (type.endsWith('*')) type = '*'; switch (type) { case 'i1': return HEAP8[ptr]; case 'i8': return HEAP8[ptr]; case 'i16': return HEAP16[((ptr)>>1)]; case 'i32': return HEAP32[((ptr)>>2)]; case 'i64': return HEAP64[((ptr)>>3)]; case 'float': return HEAPF32[((ptr)>>2)]; case 'double': return HEAPF64[((ptr)>>3)]; case '*': return HEAPU32[((ptr)>>2)]; default: abort(`invalid type for getValue: ${type}`); } } var noExitRuntime = true; /** * @param {number} ptr * @param {number} value * @param {string} type */ function setValue(ptr, value, type = 'i8') { if (type.endsWith('*')) type = '*'; switch (type) { case 'i1': HEAP8[ptr] = value; break; case 'i8': HEAP8[ptr] = value; break; case 'i16': HEAP16[((ptr)>>1)] = value; break; case 'i32': HEAP32[((ptr)>>2)] = value; break; case 'i64': HEAP64[((ptr)>>3)] = BigInt(value); break; case 'float': HEAPF32[((ptr)>>2)] = value; break; case 'double': HEAPF64[((ptr)>>3)] = value; break; case '*': HEAPU32[((ptr)>>2)] = value; break; default: abort(`invalid type for setValue: ${type}`); } } var stackRestore = (val) => __emscripten_stack_restore(val); var stackSave = () => _emscripten_stack_get_current(); class ExceptionInfo { // excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it. constructor(excPtr) { this.excPtr = excPtr; this.ptr = excPtr - 24; } set_type(type) { HEAPU32[(((this.ptr)+(4))>>2)] = type; } get_type() { return HEAPU32[(((this.ptr)+(4))>>2)]; } set_destructor(destructor) { HEAPU32[(((this.ptr)+(8))>>2)] = destructor; } get_destructor() { return HEAPU32[(((this.ptr)+(8))>>2)]; } set_caught(caught) { caught = caught ? 1 : 0; HEAP8[(this.ptr)+(12)] = caught; } get_caught() { return HEAP8[(this.ptr)+(12)] != 0; } set_rethrown(rethrown) { rethrown = rethrown ? 1 : 0; HEAP8[(this.ptr)+(13)] = rethrown; } get_rethrown() { return HEAP8[(this.ptr)+(13)] != 0; } // Initialize native structure fields. Should be called once after allocated. init(type, destructor) { this.set_adjusted_ptr(0); this.set_type(type); this.set_destructor(destructor); } set_adjusted_ptr(adjustedPtr) { HEAPU32[(((this.ptr)+(16))>>2)] = adjustedPtr; } get_adjusted_ptr() { return HEAPU32[(((this.ptr)+(16))>>2)]; } } var exceptionLast = 0; var uncaughtExceptionCount = 0; var ___cxa_throw = (ptr, type, destructor) => { var info = new ExceptionInfo(ptr); // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception. info.init(type, destructor); exceptionLast = ptr; uncaughtExceptionCount++; throw exceptionLast; }; var __abort_js = () => abort(''); var structRegistrations = { }; var runDestructors = (destructors) => { while (destructors.length) { var ptr = destructors.pop(); var del = destructors.pop(); del(ptr); } }; /** @suppress {globalThis} */ function readPointer(pointer) { return this['fromWireType'](HEAPU32[((pointer)>>2)]); } var awaitingDependencies = { }; var registeredTypes = { }; var typeDependencies = { }; var InternalError = class InternalError extends Error { constructor(message) { super(message); this.name = 'InternalError'; }}; var throwInternalError = (message) => { throw new InternalError(message); }; var whenDependentTypesAreResolved = (myTypes, dependentTypes, getTypeConverters) => { myTypes.forEach((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 optional = fieldTypes[i].optional; 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) => getterReturnType['fromWireType'](getter(getterContext, ptr)), write: (ptr, o) => { var destructors = []; setter(setterContext, ptr, setterArgumentType['toWireType'](destructors, o)); runDestructors(destructors); }, optional, }; }); 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) && !fields[fieldName].optional) { 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': readPointer, destructorFunction: rawDestructor, }]; }); }; var AsciiToString = (ptr) => { var str = ''; while (1) { var ch = HEAPU8[ptr++]; if (!ch) return str; str += String.fromCharCode(ch); } }; var BindingError = class BindingError extends Error { constructor(message) { super(message); this.name = '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 = {}) { return sharedRegisterType(rawType, registeredInstance, options); } var integerReadValueFromPointer = (name, width, signed) => { // integers are quite common, so generate very specialized functions switch (width) { case 1: return signed ? (pointer) => HEAP8[pointer] : (pointer) => HEAPU8[pointer]; case 2: return signed ? (pointer) => HEAP16[((pointer)>>1)] : (pointer) => HEAPU16[((pointer)>>1)] case 4: return signed ? (pointer) => HEAP32[((pointer)>>2)] : (pointer) => HEAPU32[((pointer)>>2)] case 8: return signed ? (pointer) => HEAP64[((pointer)>>3)] : (pointer) => HEAPU64[((pointer)>>3)] default: throw new TypeError(`invalid integer width (${width}): ${name}`); } }; /** @suppress {globalThis} */ var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => { name = AsciiToString(name); const isUnsignedType = minRange === 0n; let fromWireType = (value) => value; if (isUnsignedType) { // uint64 get converted to int64 in ABI, fix them up like we do for 32-bit integers. const bitSize = size * 8; fromWireType = (value) => { return BigInt.asUintN(bitSize, value); } maxRange = fromWireType(maxRange); } registerType(primitiveType, { name, 'fromWireType': fromWireType, 'toWireType': (destructors, value) => { if (typeof value == "number") { value = BigInt(value); } return value; }, argPackAdvance: GenericWireTypeSize, 'readValueFromPointer': integerReadValueFromPointer(name, size, !isUnsignedType), destructorFunction: null, // This type does not need a destructor }); }; var GenericWireTypeSize = 8; /** @suppress {globalThis} */ var __embind_register_bool = (rawType, name, trueValue, falseValue) => { name = AsciiToString(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 }); }; var shallowCopyInternalPointer = (o) => { return { count: o.count, deleteScheduled: o.deleteScheduled, preservePointerOnDelete: o.preservePointerOnDelete, ptr: o.ptr, ptrType: o.ptrType, smartPtr: o.smartPtr, smartPtrType: o.smartPtrType, }; }; var throwInstanceAlreadyDeleted = (obj) => { function getInstanceTypeName(handle) { return handle.$$.ptrType.registeredClass.name; } throwBindingError(getInstanceTypeName(obj) + ' instance already deleted'); }; var finalizationRegistry = false; var detachFinalizer = (handle) => {}; var runDestructor = ($$) => { if ($$.smartPtr) { $$.smartPtrType.rawDestructor($$.smartPtr); } else { $$.ptrType.registeredClass.rawDestructor($$.ptr); } }; var releaseClassHandle = ($$) => { $$.count.value -= 1; var toDelete = 0 === $$.count.value; if (toDelete) { runDestructor($$); } }; var attachFinalizer = (handle) => { if ('undefined' === typeof FinalizationRegistry) { attachFinalizer = (handle) => handle; return handle; } // If the running environment has a FinalizationRegistry (see // https://github.com/tc39/proposal-weakrefs), then attach finalizers // for class handles. We check for the presence of FinalizationRegistry // at run-time, not build-time. finalizationRegistry = new FinalizationRegistry((info) => { releaseClassHandle(info.$$); }); attachFinalizer = (handle) => { var $$ = handle.$$; var hasSmartPtr = !!$$.smartPtr; if (hasSmartPtr) { // We should not call the destructor on raw pointers in case other code expects the pointee to live var info = { $$: $$ }; finalizationRegistry.register(handle, info, handle); } return handle; }; detachFinalizer = (handle) => finalizationRegistry.unregister(handle); return attachFinalizer(handle); }; var deletionQueue = []; var flushPendingDeletes = () => { while (deletionQueue.length) { var obj = deletionQueue.pop(); obj.$$.deleteScheduled = false; obj['delete'](); } }; var delayFunction; var init_ClassHandle = () => { let proto = ClassHandle.prototype; Object.assign(proto, { "isAliasOf"(other) { if (!(this instanceof ClassHandle)) { return false; } if (!(other instanceof ClassHandle)) { return false; } var leftClass = this.$$.ptrType.registeredClass; var left = this.$$.ptr; other.$$ = /** @type {Object} */ (other.$$); var rightClass = other.$$.ptrType.registeredClass; var right = other.$$.ptr; while (leftClass.baseClass) { left = leftClass.upcast(left); leftClass = leftClass.baseClass; } while (rightClass.baseClass) { right = rightClass.upcast(right); rightClass = rightClass.baseClass; } return leftClass === rightClass && left === right; }, "clone"() { if (!this.$$.ptr) { throwInstanceAlreadyDeleted(this); } if (this.$$.preservePointerOnDelete) { this.$$.count.value += 1; return this; } else { var clone = attachFinalizer(Object.create(Object.getPrototypeOf(this), { $$: { value: shallowCopyInternalPointer(this.$$), } })); clone.$$.count.value += 1; clone.$$.deleteScheduled = false; return clone; } }, "delete"() { if (!this.$$.ptr) { throwInstanceAlreadyDeleted(this); } if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) { throwBindingError('Object already scheduled for deletion'); } detachFinalizer(this); releaseClassHandle(this.$$); if (!this.$$.preservePointerOnDelete) { this.$$.smartPtr = undefined; this.$$.ptr = undefined; } }, "isDeleted"() { return !this.$$.ptr; }, "deleteLater"() { if (!this.$$.ptr) { throwInstanceAlreadyDeleted(this); } if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) { throwBindingError('Object already scheduled for deletion'); } deletionQueue.push(this); if (deletionQueue.length === 1 && delayFunction) { delayFunction(flushPendingDeletes); } this.$$.deleteScheduled = true; return this; }, }); // Support `using ...` from https://github.com/tc39/proposal-explicit-resource-management. const symbolDispose = Symbol.dispose; if (symbolDispose) { proto[symbolDispose] = proto['delete']; } }; /** @constructor */ function ClassHandle() { } var createNamedFunction = (name, func) => Object.defineProperty(func, 'name', { value: name }); var registeredPointers = { }; 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(...args) { // TODO This check can be removed in -O3 level "unsafe" optimizations. if (!proto[methodName].overloadTable.hasOwnProperty(args.length)) { throwBindingError(`Function '${humanName}' called with an invalid number of arguments (${args.length}) - expects one of (${proto[methodName].overloadTable})!`); } return proto[methodName].overloadTable[args.length].apply(this, args); }; // 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[name].overloadTable.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; Module[name].argCount = numArguments; } }; var char_0 = 48; var char_9 = 57; var makeLegalFunctionName = (name) => { name = name.replace(/[^a-zA-Z0-9_]/g, '$'); var f = name.charCodeAt(0); if (f >= char_0 && f <= char_9) { return `_${name}`; } return name; }; /** @constructor */ function RegisteredClass(name, constructor, instancePrototype, rawDestructor, baseClass, getActualType, upcast, downcast) { this.name = name; this.constructor = constructor; this.instancePrototype = instancePrototype; this.rawDestructor = rawDestructor; this.baseClass = baseClass; this.getActualType = getActualType; this.upcast = upcast; this.downcast = downcast; this.pureVirtualFunctions = []; } var upcastPointer = (ptr, ptrClass, desiredClass) => { while (ptrClass !== desiredClass) { if (!ptrClass.upcast) { throwBindingError(`Expected null or instance of ${desiredClass.name}, got an instance of ${ptrClass.name}`); } ptr = ptrClass.upcast(ptr); ptrClass = ptrClass.baseClass; } return ptr; }; 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; } }; /** @suppress {globalThis} */ function constNoSmartPtrRawPointerToWireType(destructors, handle) { if (handle === null) { if (this.isReference) { throwBindingError(`null is not a valid ${this.name}`); } return 0; } if (!handle.$$) { throwBindingError(`Cannot pass "${embindRepr(handle)}" as a ${this.name}`); } if (!handle.$$.ptr) { throwBindingError(`Cannot pass deleted object as a pointer of type ${this.name}`); } var handleClass = handle.$$.ptrType.registeredClass; var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass); return ptr; } /** @suppress {globalThis} */ function genericPointerToWireType(destructors, handle) { var ptr; if (handle === null) { if (this.isReference) { throwBindingError(`null is not a valid ${this.name}`); } if (this.isSmartPointer) { ptr = this.rawConstructor(); if (destructors !== null) { destructors.push(this.rawDestructor, ptr); } return ptr; } else { return 0; } } if (!handle || !handle.$$) { throwBindingError(`Cannot pass "${embindRepr(handle)}" as a ${this.name}`); } if (!handle.$$.ptr) { throwBindingError(`Cannot pass deleted object as a pointer of type ${this.name}`); } if (!this.isConst && handle.$$.ptrType.isConst) { throwBindingError(`Cannot convert argument of type ${(handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name)} to parameter type ${this.name}`); } var handleClass = handle.$$.ptrType.registeredClass; ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass); if (this.isSmartPointer) { // TODO: this is not strictly true // We could support BY_EMVAL conversions from raw pointers to smart pointers // because the smart pointer can hold a reference to the handle if (undefined === handle.$$.smartPtr) { throwBindingError('Passing raw pointer to smart pointer is illegal'); } switch (this.sharingPolicy) { case 0: // NONE // no upcasting if (handle.$$.smartPtrType === this) { ptr = handle.$$.smartPtr; } else { throwBindingError(`Cannot convert argument of type ${(handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name)} to parameter type ${this.name}`); } break; case 1: // INTRUSIVE ptr = handle.$$.smartPtr; break; case 2: // BY_EMVAL if (handle.$$.smartPtrType === this) { ptr = handle.$$.smartPtr; } else { var clonedHandle = handle['clone'](); ptr = this.rawShare( ptr, Emval.toHandle(() => clonedHandle['delete']()) ); if (destructors !== null) { destructors.push(this.rawDestructor, ptr); } } break; default: throwBindingError('Unsupporting sharing policy'); } } return ptr; } /** @suppress {globalThis} */ function nonConstNoSmartPtrRawPointerToWireType(destructors, handle) { if (handle === null) { if (this.isReference) { throwBindingError(`null is not a valid ${this.name}`); } return 0; } if (!handle.$$) { throwBindingError(`Cannot pass "${embindRepr(handle)}" as a ${this.name}`); } if (!handle.$$.ptr) { throwBindingError(`Cannot pass deleted object as a pointer of type ${this.name}`); } if (handle.$$.ptrType.isConst) { throwBindingError(`Cannot convert argument of type ${handle.$$.ptrType.name} to parameter type ${this.name}`); } var handleClass = handle.$$.ptrType.registeredClass; var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass); return ptr; } var downcastPointer = (ptr, ptrClass, desiredClass) => { if (ptrClass === desiredClass) { return ptr; } if (undefined === desiredClass.baseClass) { return null; // no conversion } var rv = downcastPointer(ptr, ptrClass, desiredClass.baseClass); if (rv === null) { return null; } return desiredClass.downcast(rv); }; var registeredInstances = { }; var getBasestPointer = (class_, ptr) => { if (ptr === undefined) { throwBindingError('ptr should not be undefined'); } while (class_.baseClass) { ptr = class_.upcast(ptr); class_ = class_.baseClass; } return ptr; }; var getInheritedInstance = (class_, ptr) => { ptr = getBasestPointer(class_, ptr); return registeredInstances[ptr]; }; var makeClassHandle = (prototype, record) => { if (!record.ptrType || !record.ptr) { throwInternalError('makeClassHandle requires ptr and ptrType'); } var hasSmartPtrType = !!record.smartPtrType; var hasSmartPtr = !!record.smartPtr; if (hasSmartPtrType !== hasSmartPtr) { throwInternalError('Both smartPtrType and smartPtr must be specified'); } record.count = { value: 1 }; return attachFinalizer(Object.create(prototype, { $$: { value: record, writable: true, }, })); }; /** @suppress {globalThis} */ function RegisteredPointer_fromWireType(ptr) { // ptr is a raw pointer (or a raw smartpointer) // rawPointer is a maybe-null raw pointer var rawPointer = this.getPointee(ptr); if (!rawPointer) { this.destructor(ptr); return null; } var registeredInstance = getInheritedInstance(this.registeredClass, rawPointer); if (undefined !== registeredInstance) { // JS object has been neutered, time to repopulate it if (0 === registeredInstance.$$.count.value) { registeredInstance.$$.ptr = rawPointer; registeredInstance.$$.smartPtr = ptr; return registeredInstance['clone'](); } else { // else, just increment reference count on existing object // it already has a reference to the smart pointer var rv = registeredInstance['clone'](); this.destructor(ptr); return rv; } } function makeDefaultHandle() { if (this.isSmartPointer) { return makeClassHandle(this.registeredClass.instancePrototype, { ptrType: this.pointeeType, ptr: rawPointer, smartPtrType: this, smartPtr: ptr, }); } else { return makeClassHandle(this.registeredClass.instancePrototype, { ptrType: this, ptr, }); } } var actualType = this.registeredClass.getActualType(rawPointer); var registeredPointerRecord = registeredPointers[actualType]; if (!registeredPointerRecord) { return makeDefaultHandle.call(this); } var toType; if (this.isConst) { toType = registeredPointerRecord.constPointerType; } else { toType = registeredPointerRecord.pointerType; } var dp = downcastPointer( rawPointer, this.registeredClass, toType.registeredClass); if (dp === null) { return makeDefaultHandle.call(this); } if (this.isSmartPointer) { return makeClassHandle(toType.registeredClass.instancePrototype, { ptrType: toType, ptr: dp, smartPtrType: this, smartPtr: ptr, }); } else { return makeClassHandle(toType.registeredClass.instancePrototype, { ptrType: toType, ptr: dp, }); } } var init_RegisteredPointer = () => { Object.assign(RegisteredPointer.prototype, { getPointee(ptr) { if (this.rawGetPointee) { ptr = this.rawGetPointee(ptr); } return ptr; }, destructor(ptr) { this.rawDestructor?.(ptr); }, argPackAdvance: GenericWireTypeSize, 'readValueFromPointer': readPointer, 'fromWireType': RegisteredPointer_fromWireType, }); }; /** @constructor @param {*=} pointeeType, @param {*=} sharingPolicy, @param {*=} rawGetPointee, @param {*=} rawConstructor, @param {*=} rawShare, @param {*=} rawDestructor, */ function RegisteredPointer( name, registeredClass, isReference, isConst, // smart pointer properties isSmartPointer, pointeeType, sharingPolicy, rawGetPointee, rawConstructor, rawShare, rawDestructor ) { this.name = name; this.registeredClass = registeredClass; this.isReference = isReference; this.isConst = isConst; // smart pointer properties this.isSmartPointer = isSmartPointer; this.pointeeType = pointeeType; this.sharingPolicy = sharingPolicy; this.rawGetPointee = rawGetPointee; this.rawConstructor = rawConstructor; this.rawShare = rawShare; this.rawDestructor = rawDestructor; if (!isSmartPointer && registeredClass.baseClass === undefined) { if (isConst) { this['toWireType'] = constNoSmartPtrRawPointerToWireType; this.destructorFunction = null; } else { this['toWireType'] = nonConstNoSmartPtrRawPointerToWireType; this.destructorFunction = null; } } else { this['toWireType'] = genericPointerToWireType; // Here we must leave this.destructorFunction undefined, since whether genericPointerToWireType returns // a pointer that needs to be freed up is runtime-dependent, and cannot be evaluated at registration time. // TODO: Create an alternative mechanism that allows removing the use of var destructors = []; array in // craftInvokerFunction altogether. } } /** @param {number=} numArguments */ var replacePublicSymbol = (name, value, numArguments) => { if (!Module.hasOwnProperty(name)) { throwInternalError('Replacing nonexistent 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 =