var Module = (function() { var _scriptDir = import.meta.url; return ( function(Module) { Module = Module || {}; // The Module object: Our interface to the outside world. We import // and export values on it. There are various ways Module can be used: // 1. Not defined. We create it here // 2. A function parameter, function(Module) { ..generated code.. } // 3. pre-run appended it, var Module = {}; ..generated code.. // 4. External script tag defines var Module. // We need to check if Module already exists (e.g. case 3 above). // Substitution will be replaced with actual code on later stage of the build, // this way Closure Compiler will not mangle it (e.g. case 4. above). // Note that if you want to run closure, and also to use Module // after the generated code, you will need to define var Module = {}; // before the code. Then that object will be used in the code, and you // can continue to use Module afterwards as well. var Module = typeof Module !== 'undefined' ? Module : {}; // Set up the promise that indicates the Module is initialized var readyPromiseResolve, readyPromiseReject; Module['ready'] = new Promise(function(resolve, reject) { readyPromiseResolve = resolve; readyPromiseReject = reject; }); // --pre-jses are emitted after the Module integration code, so that they can // refer to Module (if they choose; they can also define Module) // {{PRE_JSES}} // Sometimes an existing Module object exists with properties // meant to overwrite the default module functionality. Here // we collect those properties and reapply _after_ we configure // the current environment's defaults to avoid having to be so // defensive during initialization. var moduleOverrides = {}; var key; for (key in Module) { if (Module.hasOwnProperty(key)) { moduleOverrides[key] = Module[key]; } } var arguments_ = []; var thisProgram = './this.program'; var quit_ = function(status, toThrow) { throw toThrow; }; // Determine the runtime environment we are in. You can customize this by // setting the ENVIRONMENT setting at compile time (see settings.js). var ENVIRONMENT_IS_WEB = false; var ENVIRONMENT_IS_WORKER = true; var ENVIRONMENT_IS_NODE = false; var ENVIRONMENT_IS_SHELL = false; // `/` should be present at the end if `scriptDirectory` is not empty var scriptDirectory = ''; function locateFile(path) { if (Module['locateFile']) { return Module['locateFile'](path, scriptDirectory); } return scriptDirectory + path; } // Hooks that are implemented differently in different runtime environments. var read_, readAsync, readBinary, setWindowTitle; // 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.indexOf('blob:') !== 0) { scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf('/')+1); } else { scriptDirectory = ''; } // Differentiate the Web Worker from the Node Worker case, as reading must // be done differently. { // include: web_or_worker_shell_read.js read_ = function shell_read(url) { var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); xhr.send(null); return xhr.responseText; }; if (ENVIRONMENT_IS_WORKER) { readBinary = function 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 = function readAsync(url, onload, onerror) { var xhr = new XMLHttpRequest(); xhr.open('GET', url, true); xhr.responseType = 'arraybuffer'; xhr.onload = function xhr_onload() { if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 onload(xhr.response); return; } onerror(); }; xhr.onerror = onerror; xhr.send(null); }; // end include: web_or_worker_shell_read.js } setWindowTitle = function(title) { document.title = title }; } else { } // Set up the out() and err() hooks, which are how we can print to stdout or // stderr, respectively. var out = Module['print'] || console.log.bind(console); var err = Module['printErr'] || console.warn.bind(console); // Merge back in the overrides for (key in moduleOverrides) { if (moduleOverrides.hasOwnProperty(key)) { Module[key] = moduleOverrides[key]; } } // Free the object hierarchy contained in the overrides, this lets the GC // reclaim data used e.g. in memoryInitializerRequest, which is a large typed array. moduleOverrides = null; // Emit code to handle expected values on the Module object. This applies Module.x // to the proper local x. This has two benefits: first, we only emit it if it is // expected to arrive, and second, by using a local everywhere else that can be // minified. if (Module['arguments']) arguments_ = Module['arguments']; if (Module['thisProgram']) thisProgram = Module['thisProgram']; if (Module['quit']) quit_ = Module['quit']; // perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message var STACK_ALIGN = 16; function alignMemory(size, factor) { if (!factor) factor = STACK_ALIGN; // stack alignment (16-byte) by default return Math.ceil(size / factor) * factor; } function getNativeTypeSize(type) { switch (type) { case 'i1': case 'i8': return 1; case 'i16': return 2; case 'i32': return 4; case 'i64': return 8; case 'float': return 4; case 'double': return 8; default: { if (type[type.length-1] === '*') { return 4; // A pointer } else if (type[0] === 'i') { var bits = Number(type.substr(1)); assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); return bits / 8; } else { return 0; } } } } function warnOnce(text) { if (!warnOnce.shown) warnOnce.shown = {}; if (!warnOnce.shown[text]) { warnOnce.shown[text] = 1; err(text); } } // include: runtime_functions.js // Wraps a JS function as a wasm function with a given signature. function convertJsFunctionToWasm(func, sig) { // If the type reflection proposal is available, use the new // "WebAssembly.Function" constructor. // Otherwise, construct a minimal wasm module importing the JS function and // re-exporting it. if (typeof WebAssembly.Function === "function") { var typeNames = { 'i': 'i32', 'j': 'i64', 'f': 'f32', 'd': 'f64' }; var type = { parameters: [], results: sig[0] == 'v' ? [] : [typeNames[sig[0]]] }; for (var i = 1; i < sig.length; ++i) { type.parameters.push(typeNames[sig[i]]); } return new WebAssembly.Function(type, func); } // The module is static, with the exception of the type section, which is // generated based on the signature passed in. var typeSection = [ 0x01, // id: section, 0x00, // length: 0 (placeholder) 0x01, // count: 1 0x60, // form: func ]; var sigRet = sig.slice(0, 1); var sigParam = sig.slice(1); var typeCodes = { 'i': 0x7f, // i32 'j': 0x7e, // i64 'f': 0x7d, // f32 'd': 0x7c, // f64 }; // Parameters, length + signatures typeSection.push(sigParam.length); for (var i = 0; i < sigParam.length; ++i) { typeSection.push(typeCodes[sigParam[i]]); } // Return values, length + signatures // With no multi-return in MVP, either 0 (void) or 1 (anything else) if (sigRet == 'v') { typeSection.push(0x00); } else { typeSection = typeSection.concat([0x01, typeCodes[sigRet]]); } // Write the overall length of the type section back into the section header // (excepting the 2 bytes for the section id and length) typeSection[1] = typeSection.length - 2; // Rest of the module is static var bytes = new Uint8Array([ 0x00, 0x61, 0x73, 0x6d, // magic ("\0asm") 0x01, 0x00, 0x00, 0x00, // version: 1 ].concat(typeSection, [ 0x02, 0x07, // import section // (import "e" "f" (func 0 (type 0))) 0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00, 0x07, 0x05, // export section // (export "f" (func 0 (type 0))) 0x01, 0x01, 0x66, 0x00, 0x00, ])); // We can compile this wasm module synchronously because it is very small. // This accepts an import (at "e.f"), that it reroutes to an export (at "f") var module = new WebAssembly.Module(bytes); var instance = new WebAssembly.Instance(module, { 'e': { 'f': func } }); var wrappedFunc = instance.exports['f']; return wrappedFunc; } var freeTableIndexes = []; // Weak map of functions in the table to their indexes, created on first use. var functionsInTableMap; function getEmptyTableSlot() { // Reuse a free index if there is one, otherwise grow. if (freeTableIndexes.length) { return freeTableIndexes.pop(); } // Grow the table try { wasmTable.grow(1); } catch (err) { if (!(err instanceof RangeError)) { throw err; } throw 'Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.'; } return wasmTable.length - 1; } // Add a wasm function to the table. function addFunctionWasm(func, sig) { // Check if the function is already in the table, to ensure each function // gets a unique index. First, create the map if this is the first use. if (!functionsInTableMap) { functionsInTableMap = new WeakMap(); for (var i = 0; i < wasmTable.length; i++) { var item = wasmTable.get(i); // Ignore null values. if (item) { functionsInTableMap.set(item, i); } } } if (functionsInTableMap.has(func)) { return functionsInTableMap.get(func); } // It's not in the table, add it now. var ret = getEmptyTableSlot(); // Set the new value. try { // Attempting to call this with JS function will cause of table.set() to fail wasmTable.set(ret, func); } catch (err) { if (!(err instanceof TypeError)) { throw err; } var wrapped = convertJsFunctionToWasm(func, sig); wasmTable.set(ret, wrapped); } functionsInTableMap.set(func, ret); return ret; } function removeFunction(index) { functionsInTableMap.delete(wasmTable.get(index)); freeTableIndexes.push(index); } // 'sig' parameter is required for the llvm backend but only when func is not // already a WebAssembly function. function addFunction(func, sig) { return addFunctionWasm(func, sig); } // end include: runtime_functions.js // include: runtime_debug.js // end include: runtime_debug.js function makeBigInt(low, high, unsigned) { return unsigned ? ((+((low>>>0)))+((+((high>>>0)))*4294967296.0)) : ((+((low>>>0)))+((+((high|0)))*4294967296.0)); } var tempRet0 = 0; var setTempRet0 = function(value) { tempRet0 = value; }; var getTempRet0 = function() { return tempRet0; }; // === Preamble library stuff === // Documentation for the public APIs defined in this file must be updated in: // site/source/docs/api_reference/preamble.js.rst // A prebuilt local version of the documentation is available at: // site/build/text/docs/api_reference/preamble.js.txt // You can also build docs locally as HTML or other formats in site/ // An online HTML version (which may be of a different version of Emscripten) // is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html var wasmBinary;if (Module['wasmBinary']) wasmBinary = Module['wasmBinary']; var noExitRuntime;if (Module['noExitRuntime']) noExitRuntime = Module['noExitRuntime']; if (typeof WebAssembly !== 'object') { abort('no native wasm support detected'); } // include: runtime_safe_heap.js // In MINIMAL_RUNTIME, setValue() and getValue() are only available when building with safe heap enabled, for heap safety checking. // In traditional runtime, setValue() and getValue() are always available (although their use is highly discouraged due to perf penalties) /** @param {number} ptr @param {number} value @param {string} type @param {number|boolean=} noSafe */ function setValue(ptr, value, type, noSafe) { type = type || 'i8'; if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit switch(type) { case 'i1': HEAP8[((ptr)>>0)]=value; break; case 'i8': HEAP8[((ptr)>>0)]=value; break; case 'i16': HEAP16[((ptr)>>1)]=value; break; case 'i32': HEAP32[((ptr)>>2)]=value; break; case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break; case 'float': HEAPF32[((ptr)>>2)]=value; break; case 'double': HEAPF64[((ptr)>>3)]=value; break; default: abort('invalid type for setValue: ' + type); } } /** @param {number} ptr @param {string} type @param {number|boolean=} noSafe */ function getValue(ptr, type, noSafe) { type = type || 'i8'; if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit switch(type) { case 'i1': return HEAP8[((ptr)>>0)]; case 'i8': return HEAP8[((ptr)>>0)]; case 'i16': return HEAP16[((ptr)>>1)]; case 'i32': return HEAP32[((ptr)>>2)]; case 'i64': return HEAP32[((ptr)>>2)]; case 'float': return HEAPF32[((ptr)>>2)]; case 'double': return HEAPF64[((ptr)>>3)]; default: abort('invalid type for getValue: ' + type); } return null; } // end include: runtime_safe_heap.js // Wasm globals var wasmMemory; //======================================== // Runtime essentials //======================================== // whether we are quitting the application. no code should run after this. // set in exit() and abort() var ABORT = false; // set by exit() and abort(). Passed to 'onExit' handler. // NOTE: This is also used as the process return code code in shell environments // but only when noExitRuntime is false. var EXITSTATUS = 0; /** @type {function(*, string=)} */ function assert(condition, text) { if (!condition) { abort('Assertion failed: ' + text); } } // Returns the C function with a specified identifier (for C++, you need to do manual name mangling) function getCFunc(ident) { var func = Module['_' + ident]; // closure exported function assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); return func; } // C calling interface. /** @param {string|null=} returnType @param {Array=} argTypes @param {Arguments|Array=} args @param {Object=} opts */ function ccall(ident, returnType, argTypes, args, opts) { // For fast lookup of conversion functions var toC = { 'string': function(str) { var ret = 0; if (str !== null && str !== undefined && str !== 0) { // null string // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0' var len = (str.length << 2) + 1; ret = stackAlloc(len); stringToUTF8(str, ret, len); } return ret; }, 'array': function(arr) { var ret = stackAlloc(arr.length); writeArrayToMemory(arr, ret); return ret; } }; function convertReturnValue(ret) { if (returnType === 'string') return UTF8ToString(ret); if (returnType === 'boolean') return Boolean(ret); return ret; } var func = getCFunc(ident); var cArgs = []; var stack = 0; if (args) { for (var i = 0; i < args.length; i++) { var converter = toC[argTypes[i]]; if (converter) { if (stack === 0) stack = stackSave(); cArgs[i] = converter(args[i]); } else { cArgs[i] = args[i]; } } } var ret = func.apply(null, cArgs); ret = convertReturnValue(ret); if (stack !== 0) stackRestore(stack); return ret; } /** @param {string=} returnType @param {Array=} argTypes @param {Object=} opts */ function cwrap(ident, returnType, argTypes, opts) { argTypes = argTypes || []; // When the function takes numbers and returns a number, we can just return // the original function var numericArgs = argTypes.every(function(type){ return type === 'number'}); var numericRet = returnType !== 'string'; if (numericRet && numericArgs && !opts) { return getCFunc(ident); } return function() { return ccall(ident, returnType, argTypes, arguments, opts); } } var ALLOC_NORMAL = 0; // Tries to use _malloc() var ALLOC_STACK = 1; // Lives for the duration of the current function call // allocate(): This is for internal use. You can use it yourself as well, but the interface // is a little tricky (see docs right below). The reason is that it is optimized // for multiple syntaxes to save space in generated code. So you should // normally not use allocate(), and instead allocate memory using _malloc(), // initialize it with setValue(), and so forth. // @slab: An array of data. // @allocator: How to allocate memory, see ALLOC_* /** @type {function((Uint8Array|Array), number)} */ function allocate(slab, allocator) { var ret; if (allocator == ALLOC_STACK) { ret = stackAlloc(slab.length); } else { ret = _malloc(slab.length); } if (slab.subarray || slab.slice) { HEAPU8.set(/** @type {!Uint8Array} */(slab), ret); } else { HEAPU8.set(new Uint8Array(slab), ret); } return ret; } // include: runtime_strings.js // runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime. // Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns // a copy of that string as a Javascript String object. var UTF8Decoder = new TextDecoder('utf8'); /** * @param {number} idx * @param {number=} maxBytesToRead * @return {string} */ function UTF8ArrayToString(heap, idx, maxBytesToRead) { var endIdx = idx + maxBytesToRead; var endPtr = idx; // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. // (As a tiny code save trick, compare endPtr against endIdx using a negation, so that undefined means Infinity) while (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr; return UTF8Decoder.decode( heap.subarray ? heap.subarray(idx, endPtr) : new Uint8Array(heap.slice(idx, endPtr)) ); } // Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns a // copy of that string as a Javascript String object. // maxBytesToRead: an optional length that specifies the maximum number of bytes to read. You can omit // this parameter to scan the string until the first \0 byte. If maxBytesToRead is // passed, and the string at [ptr, ptr+maxBytesToReadr[ contains a null byte in the // middle, then the string will cut short at that byte index (i.e. maxBytesToRead will // not produce a string of exact length [ptr, ptr+maxBytesToRead[) // N.B. mixing frequent uses of UTF8ToString() with and without maxBytesToRead may // throw JS JIT optimizations off, so it is worth to consider consistently using one // style or the other. /** * @param {number} ptr * @param {number=} maxBytesToRead * @return {string} */ function UTF8ToString(ptr, maxBytesToRead) { if (!ptr) return ''; var maxPtr = ptr + maxBytesToRead; for(var end = ptr; !(end >= maxPtr) && HEAPU8[end];) ++end; return UTF8Decoder.decode(HEAPU8.subarray(ptr, end)); } // Copies the given Javascript String object 'str' to the given byte array at address 'outIdx', // encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP. // Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. // Parameters: // str: the Javascript string to copy. // heap: the array to copy to. Each index in this array is assumed to be one 8-byte element. // outIdx: The starting offset in the array to begin the copying. // maxBytesToWrite: The maximum number of bytes this function can write to the array. // This count should include the null terminator, // i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else. // maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator. // Returns the number of bytes written, EXCLUDING the null terminator. function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes. return 0; var startIdx = outIdx; var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. // See http://unicode.org/faq/utf_bom.html#utf16-3 // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629 var u = str.charCodeAt(i); // possibly a lead surrogate if (u >= 0xD800 && u <= 0xDFFF) { var u1 = str.charCodeAt(++i); u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); } if (u <= 0x7F) { if (outIdx >= endIdx) break; heap[outIdx++] = u; } else if (u <= 0x7FF) { if (outIdx + 1 >= endIdx) break; heap[outIdx++] = 0xC0 | (u >> 6); heap[outIdx++] = 0x80 | (u & 63); } else if (u <= 0xFFFF) { if (outIdx + 2 >= endIdx) break; heap[outIdx++] = 0xE0 | (u >> 12); heap[outIdx++] = 0x80 | ((u >> 6) & 63); heap[outIdx++] = 0x80 | (u & 63); } else { if (outIdx + 3 >= endIdx) break; heap[outIdx++] = 0xF0 | (u >> 18); heap[outIdx++] = 0x80 | ((u >> 12) & 63); heap[outIdx++] = 0x80 | ((u >> 6) & 63); heap[outIdx++] = 0x80 | (u & 63); } } // Null-terminate the pointer to the buffer. heap[outIdx] = 0; return outIdx - startIdx; } // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', // null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP. // Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. // Returns the number of bytes written, EXCLUDING the null terminator. function stringToUTF8(str, outPtr, maxBytesToWrite) { return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); } // Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte. function lengthBytesUTF8(str) { var len = 0; for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. // See http://unicode.org/faq/utf_bom.html#utf16-3 var u = str.charCodeAt(i); // possibly a lead surrogate if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF); if (u <= 0x7F) ++len; else if (u <= 0x7FF) len += 2; else if (u <= 0xFFFF) len += 3; else len += 4; } return len; } // end include: runtime_strings.js // include: runtime_strings_extra.js // runtime_strings_extra.js: Strings related runtime functions that are available only in regular runtime. // Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns // a copy of that string as a Javascript String object. function AsciiToString(ptr) { var str = ''; while (1) { var ch = HEAPU8[((ptr++)>>0)]; if (!ch) return str; str += String.fromCharCode(ch); } } // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', // null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP. function stringToAscii(str, outPtr) { return writeAsciiToMemory(str, outPtr, false); } // Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns // a copy of that string as a Javascript String object. var UTF16Decoder = new TextDecoder('utf-16le'); function UTF16ToString(ptr, maxBytesToRead) { 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; return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr)); var i = 0; var str = ''; while (1) { var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; if (codeUnit == 0 || i == maxBytesToRead / 2) return str; ++i; // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through. str += String.fromCharCode(codeUnit); } } // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', // null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP. // Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write. // Parameters: // str: the Javascript string to copy. // outPtr: Byte address in Emscripten HEAP where to write the string to. // maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null // terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else. // maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator. // Returns the number of bytes written, EXCLUDING the null terminator. function stringToUTF16(str, outPtr, maxBytesToWrite) { // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. if (maxBytesToWrite === undefined) { maxBytesToWrite = 0x7FFFFFFF; } if (maxBytesToWrite < 2) return 0; maxBytesToWrite -= 2; // Null terminator. var startPtr = outPtr; var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length; for (var i = 0; i < numCharsToWrite; ++i) { // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP. var codeUnit = str.charCodeAt(i); // possibly a lead surrogate HEAP16[((outPtr)>>1)]=codeUnit; outPtr += 2; } // Null-terminate the pointer to the HEAP. HEAP16[((outPtr)>>1)]=0; return outPtr - startPtr; } // Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. function lengthBytesUTF16(str) { return str.length*2; } function UTF32ToString(ptr, maxBytesToRead) { var i = 0; var str = ''; // If maxBytesToRead is not passed explicitly, it will be undefined, and this // will always evaluate to true. This saves on code size. while (!(i >= maxBytesToRead / 4)) { var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; if (utf32 == 0) break; ++i; // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing. // See http://unicode.org/faq/utf_bom.html#utf16-3 if (utf32 >= 0x10000) { var ch = utf32 - 0x10000; str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); } else { str += String.fromCharCode(utf32); } } return str; } // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', // null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP. // Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write. // Parameters: // str: the Javascript string to copy. // outPtr: Byte address in Emscripten HEAP where to write the string to. // maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null // terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else. // maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator. // Returns the number of bytes written, EXCLUDING the null terminator. function stringToUTF32(str, outPtr, maxBytesToWrite) { // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. if (maxBytesToWrite === undefined) { maxBytesToWrite = 0x7FFFFFFF; } if (maxBytesToWrite < 4) return 0; var startPtr = outPtr; var endPtr = startPtr + maxBytesToWrite - 4; for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. // See http://unicode.org/faq/utf_bom.html#utf16-3 var codeUnit = str.charCodeAt(i); // possibly a lead surrogate if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { var trailSurrogate = str.charCodeAt(++i); codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF); } HEAP32[((outPtr)>>2)]=codeUnit; outPtr += 4; if (outPtr + 4 > endPtr) break; } // Null-terminate the pointer to the HEAP. HEAP32[((outPtr)>>2)]=0; return outPtr - startPtr; } // Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. function lengthBytesUTF32(str) { var len = 0; for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. // See http://unicode.org/faq/utf_bom.html#utf16-3 var codeUnit = str.charCodeAt(i); if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate. len += 4; } return len; } // Allocate heap space for a JS string, and write it there. // It is the responsibility of the caller to free() that memory. function allocateUTF8(str) { var size = lengthBytesUTF8(str) + 1; var ret = _malloc(size); if (ret) stringToUTF8Array(str, HEAP8, ret, size); return ret; } // Allocate stack space for a JS string, and write it there. function allocateUTF8OnStack(str) { var size = lengthBytesUTF8(str) + 1; var ret = stackAlloc(size); stringToUTF8Array(str, HEAP8, ret, size); return ret; } // Deprecated: This function should not be called because it is unsafe and does not provide // a maximum length limit of how many bytes it is allowed to write. Prefer calling the // function stringToUTF8Array() instead, which takes in a maximum length that can be used // to be secure from out of bounds writes. /** @deprecated @param {boolean=} dontAddNull */ function writeStringToMemory(string, buffer, dontAddNull) { warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!'); var /** @type {number} */ lastChar, /** @type {number} */ end; if (dontAddNull) { // stringToUTF8Array always appends null. If we don't want to do that, remember the // character that existed at the location where the null will be placed, and restore // that after the write (below). end = buffer + lengthBytesUTF8(string); lastChar = HEAP8[end]; } stringToUTF8(string, buffer, Infinity); if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character. } function writeArrayToMemory(array, buffer) { HEAP8.set(array, buffer); } /** @param {boolean=} dontAddNull */ function writeAsciiToMemory(str, buffer, dontAddNull) { for (var i = 0; i < str.length; ++i) { HEAP8[((buffer++)>>0)]=str.charCodeAt(i); } // Null-terminate the pointer to the HEAP. if (!dontAddNull) HEAP8[((buffer)>>0)]=0; } // end include: runtime_strings_extra.js // Memory management var PAGE_SIZE = 16384; var WASM_PAGE_SIZE = 65536; function alignUp(x, multiple) { if (x % multiple > 0) { x += multiple - (x % multiple); } return x; } var HEAP, /** @type {ArrayBuffer} */ buffer, /** @type {Int8Array} */ HEAP8, /** @type {Uint8Array} */ HEAPU8, /** @type {Int16Array} */ HEAP16, /** @type {Uint16Array} */ HEAPU16, /** @type {Int32Array} */ HEAP32, /** @type {Uint32Array} */ HEAPU32, /** @type {Float32Array} */ HEAPF32, /** @type {Float64Array} */ HEAPF64; function updateGlobalBufferAndViews(buf) { buffer = buf; Module['HEAP8'] = HEAP8 = new Int8Array(buf); Module['HEAP16'] = HEAP16 = new Int16Array(buf); Module['HEAP32'] = HEAP32 = new Int32Array(buf); Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf); Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf); Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf); Module['HEAPF32'] = HEAPF32 = new Float32Array(buf); Module['HEAPF64'] = HEAPF64 = new Float64Array(buf); } var STACK_BASE = 5775920, STACKTOP = STACK_BASE, STACK_MAX = 533040; var TOTAL_STACK = 5242880; var INITIAL_INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216; // In non-standalone/normal mode, we create the memory here. // include: runtime_init_memory.js // Create the main memory. (Note: this isn't used in STANDALONE_WASM mode since the wasm // memory is created in the wasm, not in JS.) if (Module['wasmMemory']) { wasmMemory = Module['wasmMemory']; } else { wasmMemory = new WebAssembly.Memory({ 'initial': INITIAL_INITIAL_MEMORY / WASM_PAGE_SIZE , 'maximum': 2147483648 / WASM_PAGE_SIZE }); } if (wasmMemory) { buffer = wasmMemory.buffer; } // If the user provides an incorrect length, just use that length instead rather than providing the user to // specifically provide the memory length with Module['INITIAL_MEMORY']. INITIAL_INITIAL_MEMORY = buffer.byteLength; updateGlobalBufferAndViews(buffer); // end include: runtime_init_memory.js // include: runtime_init_table.js // In regular non-RELOCATABLE mode the table is exported // from the wasm module and this will be assigned once // the exports are available. var wasmTable; // end include: runtime_init_table.js // include: runtime_stack_check.js // end include: runtime_stack_check.js // include: runtime_assertions.js // 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 __ATEXIT__ = []; // functions called during shutdown var __ATPOSTRUN__ = []; // functions called after the main() is called var runtimeInitialized = false; var runtimeExited = false; function preRun() { if (Module['preRun']) { if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; while (Module['preRun'].length) { addOnPreRun(Module['preRun'].shift()); } } callRuntimeCallbacks(__ATPRERUN__); } function initRuntime() { runtimeInitialized = true; callRuntimeCallbacks(__ATINIT__); } function preMain() { callRuntimeCallbacks(__ATMAIN__); } function exitRuntime() { runtimeExited = true; } function postRun() { if (Module['postRun']) { if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; while (Module['postRun'].length) { addOnPostRun(Module['postRun'].shift()); } } callRuntimeCallbacks(__ATPOSTRUN__); } function addOnPreRun(cb) { __ATPRERUN__.unshift(cb); } function addOnInit(cb) { __ATINIT__.unshift(cb); } function addOnPreMain(cb) { __ATMAIN__.unshift(cb); } function addOnExit(cb) { } function addOnPostRun(cb) { __ATPOSTRUN__.unshift(cb); } // include: runtime_math.js // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc // 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 function getUniqueRunDependency(id) { return id; } function addRunDependency(id) { runDependencies++; if (Module['monitorRunDependencies']) { Module['monitorRunDependencies'](runDependencies); } } function removeRunDependency(id) { runDependencies--; if (Module['monitorRunDependencies']) { Module['monitorRunDependencies'](runDependencies); } if (runDependencies == 0) { if (runDependencyWatcher !== null) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; } if (dependenciesFulfilled) { var callback = dependenciesFulfilled; dependenciesFulfilled = null; callback(); // can add another dependenciesFulfilled } } } Module["preloadedImages"] = {}; // maps url to image data Module["preloadedAudios"] = {}; // maps url to audio data /** @param {string|number=} what */ function abort(what) { if (Module['onAbort']) { Module['onAbort'](what); } what += ''; err(what); ABORT = true; EXITSTATUS = 1; what = 'abort(' + what + '). Build with -s ASSERTIONS=1 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. var e = new WebAssembly.RuntimeError(what); readyPromiseReject(e); // Throw the error whether or not MODULARIZE is set because abort is used // in code paths apart from instantiation where an exception is expected // to be thrown when abort is called. throw e; } // {{MEM_INITIALIZER}} // include: memoryprofiler.js // end include: memoryprofiler.js // include: URIUtils.js function hasPrefix(str, prefix) { return String.prototype.startsWith ? str.startsWith(prefix) : str.indexOf(prefix) === 0; } // Prefix of data URIs emitted by SINGLE_FILE and related options. var dataURIPrefix = 'data:application/octet-stream;base64,'; // Indicates whether filename is a base64 data URI. function isDataURI(filename) { return hasPrefix(filename, dataURIPrefix); } var fileURIPrefix = "file://"; // Indicates whether filename is delivered via file protocol (as opposed to http/https) function isFileURI(filename) { return hasPrefix(filename, fileURIPrefix); } // end include: URIUtils.js var wasmBinaryFile = 'basis_dec.wasm'; if (!isDataURI(wasmBinaryFile)) { wasmBinaryFile = locateFile(wasmBinaryFile); } function getBinary() { try { if (wasmBinary) { return new Uint8Array(wasmBinary); } if (readBinary) { return readBinary(wasmBinaryFile); } else { throw "both async and sync fetching of the wasm failed"; } } catch (err) { abort(err); } } function getBinaryPromise() { // If we don't have the binary yet, and have the Fetch api, use that; // in some environments, like Electron's render process, Fetch api may be present, but have a different context than expected, let's only use it on the Web if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && typeof fetch === 'function' ) { return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { if (!response['ok']) { throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; } return response['arrayBuffer'](); }).catch(function () { return getBinary(); }); } // Otherwise, getBinary should be able to get it synchronously return Promise.resolve().then(getBinary); } // Create the wasm instance. // Receives the wasm imports, returns the exports. function createWasm() { // prepare imports var info = { 'env': asmLibraryArg, 'wasi_snapshot_preview1': asmLibraryArg }; // Load the wasm module and create an instance of using native support in the JS engine. // handle a generated wasm instance, receiving its exports and // performing other necessary setup /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) { var exports = instance.exports; Module['asm'] = exports; wasmTable = Module['asm']['__indirect_function_table']; removeRunDependency('wasm-instantiate'); } // we can't run yet (except in a pthread, where we have a custom sync instantiator) addRunDependency('wasm-instantiate'); function receiveInstantiatedSource(output) { // 'output' is a WebAssemblyInstantiatedSource 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 USE_PTHREADS-enabled path. receiveInstance(output['instance']); } function instantiateArrayBuffer(receiver) { return getBinaryPromise().then(function(binary) { return WebAssembly.instantiate(binary, info); }).then(receiver, function(reason) { err('failed to asynchronously prepare wasm: ' + reason); abort(reason); }); } // Prefer streaming instantiation if available. function instantiateAsync() { if (!wasmBinary && typeof WebAssembly.instantiateStreaming === 'function' && !isDataURI(wasmBinaryFile) && typeof fetch === 'function') { return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function (response) { var result = WebAssembly.instantiateStreaming(response, info); return result.then(receiveInstantiatedSource, 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(receiveInstantiatedSource); }); }); } else { return instantiateArrayBuffer(receiveInstantiatedSource); } } // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel // to any other async startup actions they are performing. if (Module['instantiateWasm']) { try { var exports = Module['instantiateWasm'](info, receiveInstance); return exports; } catch(e) { err('Module.instantiateWasm callback failed with error: ' + e); return false; } } // If instantiation fails, reject the module ready promise. instantiateAsync().catch(readyPromiseReject); return {}; // no exports yet; we'll fill them in later } // Globals used by JS i64 conversions var tempDouble; var tempI64; // === Body === var ASM_CONSTS = { }; function callRuntimeCallbacks(callbacks) { while(callbacks.length > 0) { var callback = callbacks.shift(); if (typeof callback == 'function') { callback(Module); // Pass the module as the first argument. continue; } var func = callback.func; if (typeof func === 'number') { if (callback.arg === undefined) { wasmTable.get(func)(); } else { wasmTable.get(func)(callback.arg); } } else { func(callback.arg === undefined ? null : callback.arg); } } } function demangle(func) { return func; } function demangleAll(text) { var regex = /\b_Z[\w\d_]+/g; return text.replace(regex, function(x) { var y = demangle(x); return x === y ? x : (y + ' [' + x + ']'); }); } function dynCallLegacy(sig, ptr, args) { if (args && args.length) { return Module['dynCall_' + sig].apply(null, [ptr].concat(args)); } return Module['dynCall_' + sig].call(null, ptr); } function 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.indexOf('j') != -1) { return dynCallLegacy(sig, ptr, args); } return wasmTable.get(ptr).apply(null, args) } function jsStackTrace() { var error = new Error(); if (!error.stack) { // IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown, // so try that as a special-case. try { throw new Error(); } catch(e) { error = e; } if (!error.stack) { return '(no stack trace available)'; } } return error.stack.toString(); } function stackTrace() { var js = jsStackTrace(); if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace'](); return demangleAll(js); } function ___assert_fail(condition, filename, line, func) { abort('Assertion failed: ' + UTF8ToString(condition) + ', at: ' + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']); } function _atexit(func, arg) { } function ___cxa_thread_atexit(a0,a1 ) { return _atexit(a0,a1); } function getShiftFromSize(size) { switch (size) { case 1: return 0; case 2: return 1; case 4: return 2; case 8: return 3; default: throw new TypeError('Unknown type size: ' + size); } } function 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=undefined; function readLatin1String(ptr) { var ret = ""; var c = ptr; while (HEAPU8[c]) { ret += embind_charCodes[HEAPU8[c++]]; } return ret; } var awaitingDependencies={}; var registeredTypes={}; var typeDependencies={}; var char_0=48; var char_9=57; function 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; } else { return name; } } function createNamedFunction(name, body) { name = makeLegalFunctionName(name); /*jshint evil:true*/ return new Function( "body", "return function " + name + "() {\n" + " \"use strict\";" + " return body.apply(this, arguments);\n" + "};\n" )(body); } function 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 BindingError=undefined; function throwBindingError(message) { throw new BindingError(message); } var InternalError=undefined; function throwInternalError(message) { throw new InternalError(message); } function 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(function(dt, i) { if (registeredTypes.hasOwnProperty(dt)) { typeConverters[i] = registeredTypes[dt]; } else { unregisteredTypes.push(dt); if (!awaitingDependencies.hasOwnProperty(dt)) { awaitingDependencies[dt] = []; } awaitingDependencies[dt].push(function() { typeConverters[i] = registeredTypes[dt]; ++registered; if (registered === unregisteredTypes.length) { onComplete(typeConverters); } }); } }); if (0 === unregisteredTypes.length) { onComplete(typeConverters); } } /** @param {Object=} options */ function registerType(rawType, registeredInstance, options) { options = options || {}; if (!('argPackAdvance' in registeredInstance)) { throw new TypeError('registerType registeredInstance requires argPackAdvance'); } 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(function(cb) { cb(); }); } } function __embind_register_bool(rawType, name, size, trueValue, falseValue) { var shift = getShiftFromSize(size); name = readLatin1String(name); registerType(rawType, { name: 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': 8, 'readValueFromPointer': function(pointer) { // TODO: if heap is fixed (like in asm.js) this could be executed outside var heap; if (size === 1) { heap = HEAP8; } else if (size === 2) { heap = HEAP16; } else if (size === 4) { heap = HEAP32; } else { throw new TypeError("Unknown boolean type size: " + name); } return this['fromWireType'](heap[pointer >> shift]); }, destructorFunction: null, // This type does not need a destructor }); } var emval_free_list=[]; var emval_handle_array=[{},{value:undefined},{value:null},{value:true},{value:false}]; function __emval_decref(handle) { if (handle > 4 && 0 === --emval_handle_array[handle].refcount) { emval_handle_array[handle] = undefined; emval_free_list.push(handle); } } function count_emval_handles() { var count = 0; for (var i = 5; i < emval_handle_array.length; ++i) { if (emval_handle_array[i] !== undefined) { ++count; } } return count; } function get_first_emval() { for (var i = 5; i < emval_handle_array.length; ++i) { if (emval_handle_array[i] !== undefined) { return emval_handle_array[i]; } } return null; } function init_emval() { Module['count_emval_handles'] = count_emval_handles; Module['get_first_emval'] = get_first_emval; } function __emval_register(value) { switch(value){ case undefined :{ return 1; } case null :{ return 2; } case true :{ return 3; } case false :{ return 4; } default:{ var handle = emval_free_list.length ? emval_free_list.pop() : emval_handle_array.length; emval_handle_array[handle] = {refcount: 1, value: value}; return handle; } } } function simpleReadValueFromPointer(pointer) { return this['fromWireType'](HEAPU32[pointer >> 2]); } function __embind_register_emval(rawType, name) { name = readLatin1String(name); registerType(rawType, { name: name, 'fromWireType': function(handle) { var rv = emval_handle_array[handle].value; __emval_decref(handle); return rv; }, 'toWireType': function(destructors, value) { return __emval_register(value); }, 'argPackAdvance': 8, '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 }); } function _embind_repr(v) { if (v === null) { return 'null'; } var t = typeof v; if (t === 'object' || t === 'array' || t === 'function') { return v.toString(); } else { return '' + v; } } function floatReadValueFromPointer(name, shift) { switch (shift) { case 2: return function(pointer) { return this['fromWireType'](HEAPF32[pointer >> 2]); }; case 3: return function(pointer) { return this['fromWireType'](HEAPF64[pointer >> 3]); }; default: throw new TypeError("Unknown float type: " + name); } } function __embind_register_float(rawType, name, size) { var shift = getShiftFromSize(size); name = readLatin1String(name); registerType(rawType, { name: name, 'fromWireType': function(value) { return value; }, 'toWireType': function(destructors, value) { // todo: Here we have an opportunity for -O3 level "unsafe" optimizations: we could // avoid the following if() and assume value is of proper type. if (typeof value !== "number" && typeof value !== "boolean") { throw new TypeError('Cannot convert "' + _embind_repr(value) + '" to ' + this.name); } return value; }, 'argPackAdvance': 8, 'readValueFromPointer': floatReadValueFromPointer(name, shift), destructorFunction: null, // This type does not need a destructor }); } function new_(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 runDestructors(destructors) { while (destructors.length) { var ptr = destructors.pop(); var del = destructors.pop(); del(ptr); } } function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc) { // 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. var argCount = argTypes.length; if (argCount < 2) { throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!"); } 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+") {\n" + "if (arguments.length !== "+(argCount - 2)+") {\n" + "throwBindingError('function "+humanName+" called with ' + arguments.length + ' arguments, expected "+(argCount - 2)+" args!');\n" + "}\n"; 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?"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"; } else { } invokerFnBody += "}\n"; args1.push(invokerFnBody); var invokerFunction = new_(Function, args1).apply(null, args2); return invokerFunction; } function 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 */ function 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; } } } function heap32VectorToArray(count, firstElement) { var array = []; for (var i = 0; i < count; i++) { array.push(HEAP32[(firstElement >> 2) + i]); } return array; } /** @param {number=} numArguments */ function 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; } } function getDynCaller(sig, ptr) { assert(sig.indexOf('j') >= 0, 'getDynCaller should only be called with i64 sigs') var argCache = []; return function() { argCache.length = arguments.length; for (var i = 0; i < arguments.length; i++) { argCache[i] = arguments[i]; } return dynCall(sig, ptr, argCache); }; } function embind__requireFunction(signature, rawFunction) { signature = readLatin1String(signature); function makeDynCaller() { if (signature.indexOf('j') != -1) { return getDynCaller(signature, rawFunction); } return wasmTable.get(rawFunction); } var fp = makeDynCaller(); if (typeof fp !== "function") { throwBindingError("unknown function pointer with signature " + signature + ": " + rawFunction); } return fp; } var UnboundTypeError=undefined; function getTypeName(type) { var ptr = ___getTypeName(type); var rv = readLatin1String(ptr); _free(ptr); return rv; } function 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([', '])); } function __embind_register_function(name, argCount, rawArgTypesAddr, signature, rawInvoker, fn) { var argTypes = heap32VectorToArray(argCount, rawArgTypesAddr); name = readLatin1String(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), argCount - 1); return []; }); } function integerReadValueFromPointer(name, shift, signed) { // integers are quite common, so generate very specialized functions switch (shift) { case 0: return signed ? function readS8FromPointer(pointer) { return HEAP8[pointer]; } : function readU8FromPointer(pointer) { return HEAPU8[pointer]; }; case 1: return signed ? function readS16FromPointer(pointer) { return HEAP16[pointer >> 1]; } : function readU16FromPointer(pointer) { return HEAPU16[pointer >> 1]; }; case 2: return signed ? function readS32FromPointer(pointer) { return HEAP32[pointer >> 2]; } : function readU32FromPointer(pointer) { return HEAPU32[pointer >> 2]; }; default: throw new TypeError("Unknown integer type: " + name); } } function __embind_register_integer(primitiveType, name, size, minRange, maxRange) { name = readLatin1String(name); if (maxRange === -1) { // LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come out as 'i32 -1'. Always treat those as max u32. maxRange = 4294967295; } var shift = getShiftFromSize(size); var fromWireType = function(value) { return value; }; if (minRange === 0) { var bitshift = 32 - 8*size; fromWireType = function(value) { return (value << bitshift) >>> bitshift; }; } var isUnsignedType = (name.indexOf('unsigned') != -1); registerType(primitiveType, { name: name, 'fromWireType': fromWireType, 'toWireType': function(destructors, value) { // todo: Here we have an opportunity for -O3 level "unsafe" optimizations: we could // avoid the following two if()s and assume value is of proper type. if (typeof value !== "number" && typeof value !== "boolean") { throw new TypeError('Cannot convert "' + _embind_repr(value) + '" to ' + this.name); } if (value < minRange || value > maxRange) { throw new TypeError('Passing a number "' + _embind_repr(value) + '" from JS side to C/C++ side to an argument of type "' + name + '", which is outside the valid range [' + minRange + ', ' + maxRange + ']!'); } return isUnsignedType ? (value >>> 0) : (value | 0); }, 'argPackAdvance': 8, 'readValueFromPointer': integerReadValueFromPointer(name, shift, minRange !== 0), destructorFunction: null, // This type does not need a destructor }); } function __embind_register_memory_view(rawType, dataTypeIndex, name) { var typeMapping = [ Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array, ]; var TA = typeMapping[dataTypeIndex]; function decodeMemoryView(handle) { handle = handle >> 2; var heap = HEAPU32; var size = heap[handle]; // in elements var data = heap[handle + 1]; // byte offset into emscripten heap return new TA(buffer, data, size); } name = readLatin1String(name); registerType(rawType, { name: name, 'fromWireType': decodeMemoryView, 'argPackAdvance': 8, 'readValueFromPointer': decodeMemoryView, }, { ignoreDuplicateRegistrations: true, }); } function __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 = (name === "std::string"); registerType(rawType, { name: name, 'fromWireType': function(value) { var length = HEAPU32[value >> 2]; var str; if (stdStringIsUTF8) { var decodeStartPtr = value + 4; // Looping here to support possible embedded '0' bytes for (var i = 0; i <= length; ++i) { var currentBytePtr = value + 4 + 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[value + 4 + i]); } str = a.join(''); } _free(value); return str; }, 'toWireType': function(destructors, value) { if (value instanceof ArrayBuffer) { value = new Uint8Array(value); } var getLength; 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) { getLength = function() {return lengthBytesUTF8(value);}; } else { getLength = function() {return value.length;}; } // assumes 4-byte alignment var length = getLength(); var ptr = _malloc(4 + length + 1); HEAPU32[ptr >> 2] = length; if (stdStringIsUTF8 && valueIsOfTypeString) { stringToUTF8(value, ptr + 4, 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 + 4 + i] = charCode; } } else { for (var i = 0; i < length; ++i) { HEAPU8[ptr + 4 + i] = value[i]; } } } if (destructors !== null) { destructors.push(_free, ptr); } return ptr; }, 'argPackAdvance': 8, 'readValueFromPointer': simpleReadValueFromPointer, destructorFunction: function(ptr) { _free(ptr); }, }); } function __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 = function() { return HEAPU16; }; shift = 1; } else if (charSize === 4) { decodeString = UTF32ToString; encodeString = stringToUTF32; lengthBytesUTF = lengthBytesUTF32; getHeap = function() { return HEAPU32; }; shift = 2; } registerType(rawType, { name: name, 'fromWireType': function(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': function(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': 8, 'readValueFromPointer': simpleReadValueFromPointer, destructorFunction: function(ptr) { _free(ptr); }, }); } function __embind_register_void(rawType, name) { name = readLatin1String(name); registerType(rawType, { isVoid: true, // void return values can be optimized out sometimes name: name, 'argPackAdvance': 0, 'fromWireType': function() { return undefined; }, 'toWireType': function(destructors, o) { // TODO: assert if anything else is given? return undefined; }, }); } var emval_symbols={}; function getStringOrSymbol(address) { var symbol = emval_symbols[address]; if (symbol === undefined) { return readLatin1String(address); } else { return symbol; } } function emval_get_global() { if (typeof globalThis === 'object') { return globalThis; } return (function(){ return Function; })()('return this')(); } function __emval_get_global(name) { if(name===0){ return __emval_register(emval_get_global()); } else { name = getStringOrSymbol(name); return __emval_register(emval_get_global()[name]); } } function __emval_incref(handle) { if (handle > 4) { emval_handle_array[handle].refcount += 1; } } function requireRegisteredType(rawType, humanName) { var impl = registeredTypes[rawType]; if (undefined === impl) { throwBindingError(humanName + " has unknown type " + getTypeName(rawType)); } return impl; } function craftEmvalAllocator(argCount) { /*This function returns a new function that looks like this: function emval_allocator_3(constructor, argTypes, args) { var argType0 = requireRegisteredType(HEAP32[(argTypes >> 2)], "parameter 0"); var arg0 = argType0.readValueFromPointer(args); var argType1 = requireRegisteredType(HEAP32[(argTypes >> 2) + 1], "parameter 1"); var arg1 = argType1.readValueFromPointer(args + 8); var argType2 = requireRegisteredType(HEAP32[(argTypes >> 2) + 2], "parameter 2"); var arg2 = argType2.readValueFromPointer(args + 16); var obj = new constructor(arg0, arg1, arg2); return __emval_register(obj); } */ var argsList = ""; for(var i = 0; i < argCount; ++i) { argsList += (i!==0?", ":"")+"arg"+i; // 'arg0, arg1, ..., argn' } var functionBody = "return function emval_allocator_"+argCount+"(constructor, argTypes, args) {\n"; for(var i = 0; i < argCount; ++i) { functionBody += "var argType"+i+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+i+"], \"parameter "+i+"\");\n" + "var arg"+i+" = argType"+i+".readValueFromPointer(args);\n" + "args += argType"+i+"['argPackAdvance'];\n"; } functionBody += "var obj = new constructor("+argsList+");\n" + "return __emval_register(obj);\n" + "}\n"; /*jshint evil:true*/ return (new Function("requireRegisteredType", "Module", "__emval_register", functionBody))( requireRegisteredType, Module, __emval_register); } var emval_newers={}; function requireHandle(handle) { if (!handle) { throwBindingError('Cannot use deleted val. handle = ' + handle); } return emval_handle_array[handle].value; } function __emval_new(handle, argCount, argTypes, args) { handle = requireHandle(handle); var newer = emval_newers[argCount]; if (!newer) { newer = craftEmvalAllocator(argCount); emval_newers[argCount] = newer; } return newer(handle, argTypes, args); } function __emval_take_value(type, argv) { type = requireRegisteredType(type, '_emval_take_value'); var v = type['readValueFromPointer'](argv); return __emval_register(v); } function _abort() { abort(); } function _emscripten_memcpy_big(dest, src, num) { HEAPU8.copyWithin(dest, src, src + num); } function _emscripten_get_heap_size() { return HEAPU8.length; } function emscripten_realloc_buffer(size) { try { // round size grow request up to wasm page size (fixed 64KB per spec) wasmMemory.grow((size - buffer.byteLength + 65535) >>> 16); // .grow() takes a delta compared to the previous size updateGlobalBufferAndViews(wasmMemory.buffer); return 1 /*success*/; } catch(e) { } // implicit 0 return to save code size (caller will cast "undefined" into 0 // anyhow) } function _emscripten_resize_heap(requestedSize) { requestedSize = requestedSize >>> 0; var oldSize = _emscripten_get_heap_size(); // With pthreads, races can happen (another thread might increase the size in between), so return a failure, and let the caller retry. // Memory resize rules: // 1. When resizing, always produce a resized heap that is at least 16MB (to avoid tiny heap sizes receiving lots of repeated resizes at startup) // 2. Always increase heap size to at least the requested size, rounded up to next page multiple. // 3a. 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). // 3b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap linearly: increase the heap size by at least MEMORY_GROWTH_LINEAR_STEP bytes. // 4. 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 // 5. 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 was 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 = 2147483648; if (requestedSize > maxHeapSize) { return false; } var minHeapSize = 16777216; // 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(minHeapSize, requestedSize, overGrownHeapSize), 65536)); var replacement = emscripten_realloc_buffer(newSize); if (replacement) { return true; } } return false; } var SYSCALLS={mappings:{},buffers:[null,[],[]],printChar:function(stream, curr) { var buffer = SYSCALLS.buffers[stream]; if (curr === 0 || curr === 10) { (stream === 1 ? out : err)(UTF8ArrayToString(buffer, 0)); buffer.length = 0; } else { buffer.push(curr); } },varargs:undefined,get:function() { SYSCALLS.varargs += 4; var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)]; return ret; },getStr:function(ptr) { var ret = UTF8ToString(ptr); return ret; },get64:function(low, high) { return low; }}; function _fd_close(fd) { return 0; } function _fd_seek(fd, offset_low, offset_high, whence, newOffset) { } function flush_NO_FILESYSTEM() { // flush anything remaining in the buffers during shutdown if (typeof _fflush !== 'undefined') _fflush(0); var buffers = SYSCALLS.buffers; if (buffers[1].length) SYSCALLS.printChar(1, 10); if (buffers[2].length) SYSCALLS.printChar(2, 10); } function _fd_write(fd, iov, iovcnt, pnum) { // hack to support printf in SYSCALLS_REQUIRE_FILESYSTEM=0 var num = 0; for (var i = 0; i < iovcnt; i++) { var ptr = HEAP32[(((iov)+(i*8))>>2)]; var len = HEAP32[(((iov)+(i*8 + 4))>>2)]; for (var j = 0; j < len; j++) { SYSCALLS.printChar(fd, HEAPU8[ptr+j]); } num += len; } HEAP32[((pnum)>>2)]=num return 0; } function _setTempRet0($i) { setTempRet0(($i) | 0); } embind_init_charCodes(); BindingError = Module['BindingError'] = extendError(Error, 'BindingError');; InternalError = Module['InternalError'] = extendError(Error, 'InternalError');; init_emval();; UnboundTypeError = Module['UnboundTypeError'] = extendError(Error, 'UnboundTypeError');; var ASSERTIONS = false; /** @type {function(string, boolean=, number=)} */ function intArrayFromString(stringy, dontAddNull, length) { var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; var u8array = new Array(len); var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); if (dontAddNull) u8array.length = numBytesWritten; return u8array; } function intArrayToString(array) { var ret = []; for (var i = 0; i < array.length; i++) { var chr = array[i]; if (chr > 0xFF) { if (ASSERTIONS) { assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.'); } chr &= 0xFF; } ret.push(String.fromCharCode(chr)); } return ret.join(''); } __ATINIT__.push({ func: function() { ___wasm_call_ctors() } }); var asmLibraryArg = { "__assert_fail": ___assert_fail, "__cxa_thread_atexit": ___cxa_thread_atexit, "_embind_register_bool": __embind_register_bool, "_embind_register_emval": __embind_register_emval, "_embind_register_float": __embind_register_float, "_embind_register_function": __embind_register_function, "_embind_register_integer": __embind_register_integer, "_embind_register_memory_view": __embind_register_memory_view, "_embind_register_std_string": __embind_register_std_string, "_embind_register_std_wstring": __embind_register_std_wstring, "_embind_register_void": __embind_register_void, "_emval_decref": __emval_decref, "_emval_get_global": __emval_get_global, "_emval_incref": __emval_incref, "_emval_new": __emval_new, "_emval_take_value": __emval_take_value, "abort": _abort, "emscripten_memcpy_big": _emscripten_memcpy_big, "emscripten_resize_heap": _emscripten_resize_heap, "fd_close": _fd_close, "fd_seek": _fd_seek, "fd_write": _fd_write, "memory": wasmMemory, "setTempRet0": _setTempRet0 }; var asm = createWasm(); /** @type {function(...*):?} */ var ___wasm_call_ctors = Module["___wasm_call_ctors"] = function() { return (___wasm_call_ctors = Module["___wasm_call_ctors"] = Module["asm"]["__wasm_call_ctors"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _realloc = Module["_realloc"] = function() { return (_realloc = Module["_realloc"] = Module["asm"]["realloc"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _malloc = Module["_malloc"] = function() { return (_malloc = Module["_malloc"] = Module["asm"]["malloc"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _free = Module["_free"] = function() { return (_free = Module["_free"] = Module["asm"]["free"]).apply(null, arguments); }; /** @type {function(...*):?} */ var ___getTypeName = Module["___getTypeName"] = function() { return (___getTypeName = Module["___getTypeName"] = Module["asm"]["__getTypeName"]).apply(null, arguments); }; /** @type {function(...*):?} */ var ___embind_register_native_and_builtin_types = Module["___embind_register_native_and_builtin_types"] = function() { return (___embind_register_native_and_builtin_types = Module["___embind_register_native_and_builtin_types"] = Module["asm"]["__embind_register_native_and_builtin_types"]).apply(null, arguments); }; /** @type {function(...*):?} */ var ___errno_location = Module["___errno_location"] = function() { return (___errno_location = Module["___errno_location"] = Module["asm"]["__errno_location"]).apply(null, arguments); }; /** @type {function(...*):?} */ var stackSave = Module["stackSave"] = function() { return (stackSave = Module["stackSave"] = Module["asm"]["stackSave"]).apply(null, arguments); }; /** @type {function(...*):?} */ var stackRestore = Module["stackRestore"] = function() { return (stackRestore = Module["stackRestore"] = Module["asm"]["stackRestore"]).apply(null, arguments); }; /** @type {function(...*):?} */ var stackAlloc = Module["stackAlloc"] = function() { return (stackAlloc = Module["stackAlloc"] = Module["asm"]["stackAlloc"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _saveSetjmp = Module["_saveSetjmp"] = function() { return (_saveSetjmp = Module["_saveSetjmp"] = Module["asm"]["saveSetjmp"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _testSetjmp = Module["_testSetjmp"] = function() { return (_testSetjmp = Module["_testSetjmp"] = Module["asm"]["testSetjmp"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _setThrew = Module["_setThrew"] = function() { return (_setThrew = Module["_setThrew"] = Module["asm"]["setThrew"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _emscripten_main_thread_process_queued_calls = Module["_emscripten_main_thread_process_queued_calls"] = function() { return (_emscripten_main_thread_process_queued_calls = Module["_emscripten_main_thread_process_queued_calls"] = Module["asm"]["emscripten_main_thread_process_queued_calls"]).apply(null, arguments); }; /** @type {function(...*):?} */ var dynCall_jiji = Module["dynCall_jiji"] = function() { return (dynCall_jiji = Module["dynCall_jiji"] = Module["asm"]["dynCall_jiji"]).apply(null, arguments); }; // === Auto-generated postamble setup entry stuff === var calledRun; /** * @constructor * @this {ExitStatus} */ function ExitStatus(status) { this.name = "ExitStatus"; this.message = "Program terminated with exit(" + status + ")"; this.status = status; } var calledMain = false; dependenciesFulfilled = function runCaller() { // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false) if (!calledRun) run(); if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled }; /** @type {function(Array=)} */ function run(args) { args = args || arguments_; if (runDependencies > 0) { return; } preRun(); if (runDependencies > 0) return; // a preRun added a dependency, run will be called later 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'](); postRun(); } if (Module['setStatus']) { Module['setStatus']('Running...'); setTimeout(function() { setTimeout(function() { Module['setStatus'](''); }, 1); doRun(); }, 1); } else { doRun(); } } Module['run'] = run; /** @param {boolean|number=} implicit */ function exit(status, implicit) { // if this is just main exit-ing implicitly, and the status is 0, then we // don't need to do anything here and can just leave. if the status is // non-zero, though, then we need to report it. // (we may have warned about this earlier, if a situation justifies doing so) if (implicit && noExitRuntime && status === 0) { return; } if (noExitRuntime) { } else { EXITSTATUS = status; exitRuntime(); if (Module['onExit']) Module['onExit'](status); ABORT = true; } quit_(status, new ExitStatus(status)); } if (Module['preInit']) { if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; while (Module['preInit'].length > 0) { Module['preInit'].pop()(); } } noExitRuntime = true; run(); return Module.ready } ); })(); export default Module;