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three

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JavaScript 3D library

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var rhino3dm = (() => { var _scriptDir = import.meta.url; return ( async function(config) { var rhino3dm = config || {}; // 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 rhino3dm != 'undefined' ? rhino3dm : {}; // See https://caniuse.com/mdn-javascript_builtins_object_assign // See https://caniuse.com/mdn-javascript_builtins_bigint64array // Set up the promise that indicates the Module is initialized var readyPromiseResolve, readyPromiseReject; Module['ready'] = new Promise(function(resolve, reject) { readyPromiseResolve = resolve; readyPromiseReject = reject; }); ["_main","_fflush","___getTypeName","__embind_initialize_bindings","onRuntimeInitialized"].forEach((prop) => { if (!Object.getOwnPropertyDescriptor(Module['ready'], prop)) { Object.defineProperty(Module['ready'], prop, { get: () => abort('You are getting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'), set: () => abort('You are setting ' + prop + ' on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js'), }); } }); // --pre-jses are emitted after the Module integration code, so that they can // refer to Module (if they choose; they can also define Module) // {{PRE_JSES}} // Sometimes an existing Module object exists with properties // meant to overwrite the default module functionality. Here // we collect those properties and reapply _after_ we configure // the current environment's defaults to avoid having to be so // defensive during initialization. var moduleOverrides = Object.assign({}, Module); var arguments_ = []; var thisProgram = './this.program'; var quit_ = (status, toThrow) => { throw toThrow; }; // Determine the runtime environment we are in. You can customize this by // setting the ENVIRONMENT setting at compile time (see settings.js). // Attempt to auto-detect the environment var ENVIRONMENT_IS_WEB = typeof window == 'object'; var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function'; // N.b. Electron.js environment is simultaneously a NODE-environment, but // also a web environment. var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string'; var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; if (Module['ENVIRONMENT']) { throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)'); } // `/` should be present at the end if `scriptDirectory` is not empty var scriptDirectory = ''; function locateFile(path) { if (Module['locateFile']) { return Module['locateFile'](path, scriptDirectory); } return scriptDirectory + path; } // Hooks that are implemented differently in different runtime environments. var read_, readAsync, readBinary, setWindowTitle; // Normally we don't log exceptions but instead let them bubble out the top // level where the embedding environment (e.g. the browser) can handle // them. // However under v8 and node we sometimes exit the process direcly in which case // its up to use us to log the exception before exiting. // If we fix https://github.com/emscripten-core/emscripten/issues/15080 // this may no longer be needed under node. function logExceptionOnExit(e) { if (e instanceof ExitStatus) return; let toLog = e; if (e && typeof e == 'object' && e.stack) { toLog = [e, e.stack]; } err('exiting due to exception: ' + toLog); } if (ENVIRONMENT_IS_NODE) { if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); // `require()` is no-op in an ESM module, use `createRequire()` to construct // the require()` function. This is only necessary for multi-environment // builds, `-sENVIRONMENT=node` emits a static import declaration instead. // TODO: Swap all `require()`'s with `import()`'s? const { createRequire } = await import('module'); /** @suppress{duplicate} */ var require = createRequire(import.meta.url); // These modules will usually be used on Node.js. Load them eagerly to avoid // the complexity of lazy-loading. var fs = require('fs'); var nodePath = require('path'); if (ENVIRONMENT_IS_WORKER) { scriptDirectory = nodePath.dirname(scriptDirectory) + '/'; } else { // EXPORT_ES6 + ENVIRONMENT_IS_NODE always requires use of import.meta.url, // since there's no way getting the current absolute path of the module when // support for that is not available. scriptDirectory = require('url').fileURLToPath(new URL('./', import.meta.url)); // includes trailing slash } // include: node_shell_read.js read_ = (filename, binary) => { // We need to re-wrap `file://` strings to URLs. Normalizing isn't // necessary in that case, the path should already be absolute. filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename); return fs.readFileSync(filename, binary ? undefined : 'utf8'); }; readBinary = (filename) => { var ret = read_(filename, true); if (!ret.buffer) { ret = new Uint8Array(ret); } assert(ret.buffer); return ret; }; readAsync = (filename, onload, onerror) => { // See the comment in the `read_` function. filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename); fs.readFile(filename, function(err, data) { if (err) onerror(err); else onload(data.buffer); }); }; // end include: node_shell_read.js if (process['argv'].length > 1) { thisProgram = process['argv'][1].replace(/\\/g, '/'); } arguments_ = process['argv'].slice(2); // MODULARIZE will export the module in the proper place outside, we don't need to export here process['on']('uncaughtException', function(ex) { // suppress ExitStatus exceptions from showing an error if (!(ex instanceof ExitStatus)) { throw ex; } }); // Without this older versions of node (< v15) will log unhandled rejections // but return 0, which is not normally the desired behaviour. This is // not be needed with node v15 and about because it is now the default // behaviour: // See https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode process['on']('unhandledRejection', function(reason) { throw reason; }); quit_ = (status, toThrow) => { if (keepRuntimeAlive()) { process['exitCode'] = status; throw toThrow; } logExceptionOnExit(toThrow); process['exit'](status); }; Module['inspect'] = function () { return '[Emscripten Module object]'; }; } else if (ENVIRONMENT_IS_SHELL) { if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); if (typeof read != 'undefined') { read_ = function shell_read(f) { return read(f); }; } readBinary = function readBinary(f) { let data; if (typeof readbuffer == 'function') { return new Uint8Array(readbuffer(f)); } data = read(f, 'binary'); assert(typeof data == 'object'); return data; }; readAsync = function readAsync(f, onload, onerror) { setTimeout(() => onload(readBinary(f)), 0); }; if (typeof scriptArgs != 'undefined') { arguments_ = scriptArgs; } else if (typeof arguments != 'undefined') { arguments_ = arguments; } if (typeof quit == 'function') { quit_ = (status, toThrow) => { logExceptionOnExit(toThrow); quit(status); }; } if (typeof print != 'undefined') { // Prefer to use print/printErr where they exist, as they usually work better. if (typeof console == 'undefined') console = /** @type{!Console} */({}); console.log = /** @type{!function(this:Console, ...*): undefined} */ (print); console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print); } } else // Note that this includes Node.js workers when relevant (pthreads is enabled). // Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and // ENVIRONMENT_IS_NODE. if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled scriptDirectory = self.location.href; } else if (typeof document != 'undefined' && document.currentScript) { // web scriptDirectory = document.currentScript.src; } // When MODULARIZE, this JS may be executed later, after document.currentScript // is gone, so we saved it, and we use it here instead of any other info. if (_scriptDir) { scriptDirectory = _scriptDir; } // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them. // otherwise, slice off the final part of the url to find the script directory. // if scriptDirectory does not contain a slash, lastIndexOf will return -1, // and scriptDirectory will correctly be replaced with an empty string. // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #), // they are removed because they could contain a slash. if (scriptDirectory.indexOf('blob:') !== 0) { scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1); } else { scriptDirectory = ''; } if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); // Differentiate the Web Worker from the Node Worker case, as reading must // be done differently. { // include: web_or_worker_shell_read.js read_ = (url) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); xhr.send(null); return xhr.responseText; } if (ENVIRONMENT_IS_WORKER) { readBinary = (url) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); xhr.responseType = 'arraybuffer'; xhr.send(null); return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); }; } readAsync = (url, onload, onerror) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, true); xhr.responseType = 'arraybuffer'; xhr.onload = () => { if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 onload(xhr.response); return; } onerror(); }; xhr.onerror = onerror; xhr.send(null); } // end include: web_or_worker_shell_read.js } setWindowTitle = (title) => document.title = title; } else { throw new Error('environment detection error'); } var out = Module['print'] || console.log.bind(console); var err = Module['printErr'] || console.warn.bind(console); // Merge back in the overrides Object.assign(Module, moduleOverrides); // Free the object hierarchy contained in the overrides, this lets the GC // reclaim data used e.g. in memoryInitializerRequest, which is a large typed array. moduleOverrides = null; checkIncomingModuleAPI(); // Emit code to handle expected values on the Module object. This applies Module.x // to the proper local x. This has two benefits: first, we only emit it if it is // expected to arrive, and second, by using a local everywhere else that can be // minified. if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_'); if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram'); if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_'); // perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message // Assertions on removed incoming Module JS APIs. assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)'); assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)'); assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); legacyModuleProp('read', 'read_'); legacyModuleProp('readAsync', 'readAsync'); legacyModuleProp('readBinary', 'readBinary'); legacyModuleProp('setWindowTitle', 'setWindowTitle'); var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js'; var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js'; var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js'; var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-sENVIRONMENT` to enable."); // include: support.js var STACK_ALIGN = 16; var POINTER_SIZE = 4; function getNativeTypeSize(type) { switch (type) { case 'i1': case 'i8': case 'u8': return 1; case 'i16': case 'u16': return 2; case 'i32': case 'u32': return 4; case 'i64': case 'u64': return 8; case 'float': return 4; case 'double': return 8; default: { if (type[type.length - 1] === '*') { return POINTER_SIZE; } if (type[0] === 'i') { const bits = Number(type.substr(1)); assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); return bits / 8; } return 0; } } } // include: runtime_debug.js function legacyModuleProp(prop, newName) { if (!Object.getOwnPropertyDescriptor(Module, prop)) { Object.defineProperty(Module, prop, { configurable: true, get: function() { abort('Module.' + prop + ' has been replaced with plain ' + newName + ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)'); } }); } } function ignoredModuleProp(prop) { if (Object.getOwnPropertyDescriptor(Module, prop)) { abort('`Module.' + prop + '` was supplied but `' + prop + '` not included in INCOMING_MODULE_JS_API'); } } // forcing the filesystem exports a few things by default function isExportedByForceFilesystem(name) { return name === 'FS_createPath' || name === 'FS_createDataFile' || name === 'FS_createPreloadedFile' || name === 'FS_unlink' || name === 'addRunDependency' || // The old FS has some functionality that WasmFS lacks. name === 'FS_createLazyFile' || name === 'FS_createDevice' || name === 'removeRunDependency'; } function missingGlobal(sym, msg) { Object.defineProperty(globalThis, sym, { configurable: true, get: function() { warnOnce('`' + sym + '` is not longer defined by emscripten. ' + msg); return undefined; } }); } missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer'); function missingLibrarySymbol(sym) { if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) { Object.defineProperty(globalThis, sym, { configurable: true, get: function() { // Can't `abort()` here because it would break code that does runtime // checks. e.g. `if (typeof SDL === 'undefined')`. var msg = '`' + sym + '` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line'; // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in // library.js, which means $name for a JS name with no prefix, or name // for a JS name like _name. var librarySymbol = sym; if (!librarySymbol.startsWith('_')) { librarySymbol = '$' + sym; } msg += " (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE=" + librarySymbol + ")"; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } warnOnce(msg); return undefined; } }); } } function unexportedRuntimeSymbol(sym) { if (!Object.getOwnPropertyDescriptor(Module, sym)) { Object.defineProperty(Module, sym, { configurable: true, get: function() { var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } abort(msg); } }); } } // end include: runtime_debug.js // end include: support.js // === Preamble library stuff === // Documentation for the public APIs defined in this file must be updated in: // site/source/docs/api_reference/preamble.js.rst // A prebuilt local version of the documentation is available at: // site/build/text/docs/api_reference/preamble.js.txt // You can also build docs locally as HTML or other formats in site/ // An online HTML version (which may be of a different version of Emscripten) // is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html var wasmBinary; if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary'); var noExitRuntime = Module['noExitRuntime'] || true;legacyModuleProp('noExitRuntime', 'noExitRuntime'); if (typeof WebAssembly != 'object') { abort('no native wasm support detected'); } // Wasm globals var wasmMemory; //======================================== // Runtime essentials //======================================== // whether we are quitting the application. no code should run after this. // set in exit() and abort() var ABORT = false; // set by exit() and abort(). Passed to 'onExit' handler. // NOTE: This is also used as the process return code code in shell environments // but only when noExitRuntime is false. var EXITSTATUS; /** @type {function(*, string=)} */ function assert(condition, text) { if (!condition) { abort('Assertion failed' + (text ? ': ' + text : '')); } } // We used to include malloc/free by default in the past. Show a helpful error in // builds with assertions. // include: runtime_strings.js // runtime_strings.js: String related runtime functions that are part of both // MINIMAL_RUNTIME and regular runtime. var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; /** * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given * array that contains uint8 values, returns a copy of that string as a * Javascript String object. * heapOrArray is either a regular array, or a JavaScript typed array view. * @param {number} idx * @param {number=} maxBytesToRead * @return {string} */ function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) { var endIdx = idx + maxBytesToRead; var endPtr = idx; // TextDecoder needs to know the byte length in advance, it doesn't stop on // null terminator by itself. Also, use the length info to avoid running tiny // strings through TextDecoder, since .subarray() allocates garbage. // (As a tiny code save trick, compare endPtr against endIdx using a negation, // so that undefined means Infinity) while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr; if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) { return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr)); } var str = ''; // If building with TextDecoder, we have already computed the string length // above, so test loop end condition against that while (idx < endPtr) { // For UTF8 byte structure, see: // http://en.wikipedia.org/wiki/UTF-8#Description // https://www.ietf.org/rfc/rfc2279.txt // https://tools.ietf.org/html/rfc3629 var u0 = heapOrArray[idx++]; if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } var u1 = heapOrArray[idx++] & 63; if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } var u2 = heapOrArray[idx++] & 63; if ((u0 & 0xF0) == 0xE0) { u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; } else { if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte ' + ptrToString(u0) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!'); u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63); } if (u0 < 0x10000) { str += String.fromCharCode(u0); } else { var ch = u0 - 0x10000; str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); } } return str; } /** * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the * emscripten HEAP, returns a copy of that string as a Javascript String object. * * @param {number} ptr * @param {number=} maxBytesToRead - An optional length that specifies the * maximum number of bytes to read. You can omit this parameter to scan the * string until the first \0 byte. If maxBytesToRead is passed, and the string * at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the * string will cut short at that byte index (i.e. maxBytesToRead will not * produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing * frequent uses of UTF8ToString() with and without maxBytesToRead may throw * JS JIT optimizations off, so it is worth to consider consistently using one * @return {string} */ function UTF8ToString(ptr, maxBytesToRead) { return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; } /** * Copies the given Javascript String object 'str' to the given byte array at * address 'outIdx', encoded in UTF8 form and null-terminated. The copy will * require at most str.length*4+1 bytes of space in the HEAP. Use the function * lengthBytesUTF8 to compute the exact number of bytes (excluding null * terminator) that this function will write. * * @param {string} str - The Javascript string to copy. * @param {ArrayBufferView|Array<number>} heap - The array to copy to. Each * index in this array is assumed * to be one 8-byte element. * @param {number} outIdx - The starting offset in the array to begin the copying. * @param {number} 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. * @return {number} The number of bytes written, EXCLUDING the null terminator. */ function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { // Parameter maxBytesToWrite is not optional. Negative values, 0, null, // undefined and false each don't write out any bytes. if (!(maxBytesToWrite > 0)) return 0; var startIdx = outIdx; var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code // unit, not a Unicode code point of the character! So decode // UTF16->UTF32->UTF8. // See http://unicode.org/faq/utf_bom.html#utf16-3 // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description // and https://www.ietf.org/rfc/rfc2279.txt // and https://tools.ietf.org/html/rfc3629 var u = str.charCodeAt(i); // possibly a lead surrogate if (u >= 0xD800 && u <= 0xDFFF) { var u1 = str.charCodeAt(++i); u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); } if (u <= 0x7F) { if (outIdx >= endIdx) break; heap[outIdx++] = u; } else if (u <= 0x7FF) { if (outIdx + 1 >= endIdx) break; heap[outIdx++] = 0xC0 | (u >> 6); heap[outIdx++] = 0x80 | (u & 63); } else if (u <= 0xFFFF) { if (outIdx + 2 >= endIdx) break; heap[outIdx++] = 0xE0 | (u >> 12); heap[outIdx++] = 0x80 | ((u >> 6) & 63); heap[outIdx++] = 0x80 | (u & 63); } else { if (outIdx + 3 >= endIdx) break; if (u > 0x10FFFF) warnOnce('Invalid Unicode code point ' + ptrToString(u) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).'); heap[outIdx++] = 0xF0 | (u >> 18); heap[outIdx++] = 0x80 | ((u >> 12) & 63); heap[outIdx++] = 0x80 | ((u >> 6) & 63); heap[outIdx++] = 0x80 | (u & 63); } } // Null-terminate the pointer to the buffer. heap[outIdx] = 0; return outIdx - startIdx; } /** * 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. * * @return {number} The number of bytes written, EXCLUDING the null terminator. */ function stringToUTF8(str, outPtr, maxBytesToWrite) { assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); } /** * Returns the number of bytes the given Javascript string takes if encoded as a * UTF8 byte array, EXCLUDING the null terminator byte. * * @param {string} str - JavaScript string to operator on * @return {number} Length, in bytes, of the UTF8 encoded string. */ 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 c = str.charCodeAt(i); // possibly a lead surrogate if (c <= 0x7F) { len++; } else if (c <= 0x7FF) { len += 2; } else if (c >= 0xD800 && c <= 0xDFFF) { len += 4; ++i; } else { len += 3; } } return len; } // end include: runtime_strings.js // Memory management var HEAP, /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /** @type {!Float64Array} */ HEAPF64; function updateMemoryViews() { var b = wasmMemory.buffer; Module['HEAP8'] = HEAP8 = new Int8Array(b); Module['HEAP16'] = HEAP16 = new Int16Array(b); Module['HEAP32'] = HEAP32 = new Int32Array(b); Module['HEAPU8'] = HEAPU8 = new Uint8Array(b); Module['HEAPU16'] = HEAPU16 = new Uint16Array(b); Module['HEAPU32'] = HEAPU32 = new Uint32Array(b); Module['HEAPF32'] = HEAPF32 = new Float32Array(b); Module['HEAPF64'] = HEAPF64 = new Float64Array(b); } var STACK_SIZE = 65536; if (Module['STACK_SIZE']) assert(STACK_SIZE === Module['STACK_SIZE'], 'the stack size can no longer be determined at runtime') var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216;legacyModuleProp('INITIAL_MEMORY', 'INITIAL_MEMORY'); assert(INITIAL_MEMORY >= STACK_SIZE, 'INITIAL_MEMORY should be larger than STACK_SIZE, was ' + INITIAL_MEMORY + '! (STACK_SIZE=' + STACK_SIZE + ')'); // check for full engine support (use string 'subarray' to avoid closure compiler confusion) assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, 'JS engine does not provide full typed array support'); // If memory is defined in wasm, the user can't provide it. assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally'); assert(INITIAL_MEMORY == 16777216, 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically'); // include: runtime_init_table.js // In regular non-RELOCATABLE mode the table is exported // from the wasm module and this will be assigned once // the exports are available. var wasmTable; // end include: runtime_init_table.js // include: runtime_stack_check.js // Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. function writeStackCookie() { var max = _emscripten_stack_get_end(); assert((max & 3) == 0); // If the stack ends at address zero we write our cookies 4 bytes into the // stack. This prevents interference with the (separate) address-zero check // below. if (max == 0) { max += 4; } // The stack grow downwards towards _emscripten_stack_get_end. // We write cookies to the final two words in the stack and detect if they are // ever overwritten. HEAPU32[((max)>>2)] = 0x2135467; HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE; // Also test the global address 0 for integrity. HEAPU32[0] = 0x63736d65; /* 'emsc' */ } function checkStackCookie() { if (ABORT) return; var max = _emscripten_stack_get_end(); // See writeStackCookie(). if (max == 0) { max += 4; } var cookie1 = HEAPU32[((max)>>2)]; var cookie2 = HEAPU32[(((max)+(4))>>2)]; if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) { abort('Stack overflow! Stack cookie has been overwritten at ' + ptrToString(max) + ', expected hex dwords 0x89BACDFE and 0x2135467, but received ' + ptrToString(cookie2) + ' ' + ptrToString(cookie1)); } // Also test the global address 0 for integrity. if (HEAPU32[0] !== 0x63736d65 /* 'emsc' */) { abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); } } // end include: runtime_stack_check.js // include: runtime_assertions.js // Endianness check (function() { var h16 = new Int16Array(1); var h8 = new Int8Array(h16.buffer); h16[0] = 0x6373; if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)'; })(); // end include: runtime_assertions.js var __ATPRERUN__ = []; // functions called before the runtime is initialized var __ATINIT__ = []; // functions called during startup var __ATEXIT__ = []; // functions called during shutdown var __ATPOSTRUN__ = []; // functions called after the main() is called var runtimeInitialized = false; function keepRuntimeAlive() { return noExitRuntime; } function preRun() { if (Module['preRun']) { if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; while (Module['preRun'].length) { addOnPreRun(Module['preRun'].shift()); } } callRuntimeCallbacks(__ATPRERUN__); } function initRuntime() { assert(!runtimeInitialized); runtimeInitialized = true; checkStackCookie(); SOCKFS.root = FS.mount(SOCKFS, {}, null); if (!Module["noFSInit"] && !FS.init.initialized) FS.init(); FS.ignorePermissions = false; TTY.init(); callRuntimeCallbacks(__ATINIT__); } function postRun() { checkStackCookie(); if (Module['postRun']) { if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; while (Module['postRun'].length) { addOnPostRun(Module['postRun'].shift()); } } callRuntimeCallbacks(__ATPOSTRUN__); } function addOnPreRun(cb) { __ATPRERUN__.unshift(cb); } function addOnInit(cb) { __ATINIT__.unshift(cb); } function addOnExit(cb) { } function addOnPostRun(cb) { __ATPOSTRUN__.unshift(cb); } // include: runtime_math.js // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); // end include: runtime_math.js // A counter of dependencies for calling run(). If we need to // do asynchronous work before running, increment this and // decrement it. Incrementing must happen in a place like // Module.preRun (used by emcc to add file preloading). // Note that you can add dependencies in preRun, even though // it happens right before run - run will be postponed until // the dependencies are met. var runDependencies = 0; var runDependencyWatcher = null; var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled var runDependencyTracking = {}; function getUniqueRunDependency(id) { var orig = id; while (1) { if (!runDependencyTracking[id]) return id; id = orig + Math.random(); } } function addRunDependency(id) { runDependencies++; if (Module['monitorRunDependencies']) { Module['monitorRunDependencies'](runDependencies); } if (id) { assert(!runDependencyTracking[id]); runDependencyTracking[id] = 1; if (runDependencyWatcher === null && typeof setInterval != 'undefined') { // Check for missing dependencies every few seconds runDependencyWatcher = setInterval(function() { if (ABORT) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; return; } var shown = false; for (var dep in runDependencyTracking) { if (!shown) { shown = true; err('still waiting on run dependencies:'); } err('dependency: ' + dep); } if (shown) { err('(end of list)'); } }, 10000); } } else { err('warning: run dependency added without ID'); } } function removeRunDependency(id) { runDependencies--; if (Module['monitorRunDependencies']) { Module['monitorRunDependencies'](runDependencies); } if (id) { assert(runDependencyTracking[id]); delete runDependencyTracking[id]; } else { err('warning: run dependency removed without ID'); } if (runDependencies == 0) { if (runDependencyWatcher !== null) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; } if (dependenciesFulfilled) { var callback = dependenciesFulfilled; dependenciesFulfilled = null; callback(); // can add another dependenciesFulfilled } } } /** @param {string|number=} what */ function abort(what) { if (Module['onAbort']) { Module['onAbort'](what); } what = 'Aborted(' + what + ')'; // TODO(sbc): Should we remove printing and leave it up to whoever // catches the exception? err(what); ABORT = true; EXITSTATUS = 1; // Use a wasm runtime error, because a JS error might be seen as a foreign // exception, which means we'd run destructors on it. We need the error to // simply make the program stop. // FIXME This approach does not work in Wasm EH because it currently does not assume // all RuntimeErrors are from traps; it decides whether a RuntimeError is from // a trap or not based on a hidden field within the object. So at the moment // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that // allows this in the wasm spec. // Suppress closure compiler warning here. Closure compiler's builtin extern // defintion for WebAssembly.RuntimeError claims it takes no arguments even // though it can. // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what); readyPromiseReject(e); // Throw the error whether or not MODULARIZE is set because abort is used // in code paths apart from instantiation where an exception is expected // to be thrown when abort is called. throw e; } // {{MEM_INITIALIZER}} // include: memoryprofiler.js // end include: memoryprofiler.js // include: URIUtils.js // Prefix of data URIs emitted by SINGLE_FILE and related options. var dataURIPrefix = 'data:application/octet-stream;base64,'; // Indicates whether filename is a base64 data URI. function isDataURI(filename) { // Prefix of data URIs emitted by SINGLE_FILE and related options. return filename.startsWith(dataURIPrefix); } // Indicates whether filename is delivered via file protocol (as opposed to http/https) function isFileURI(filename) { return filename.startsWith('file://'); } // end include: URIUtils.js /** @param {boolean=} fixedasm */ function createExportWrapper(name, fixedasm) { return function() { var displayName = name; var asm = fixedasm; if (!fixedasm) { asm = Module['asm']; } assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization'); if (!asm[name]) { assert(asm[name], 'exported native function `' + displayName + '` not found'); } return asm[name].apply(null, arguments); }; } var wasmBinaryFile; if (Module['locateFile']) { wasmBinaryFile = 'rhino3dm.wasm'; if (!isDataURI(wasmBinaryFile)) { wasmBinaryFile = locateFile(wasmBinaryFile); } } else { // Use bundler-friendly `new URL(..., import.meta.url)` pattern; works in browsers too. wasmBinaryFile = new URL('rhino3dm.wasm', import.meta.url).href; } function getBinary(file) { try { if (file == wasmBinaryFile && wasmBinary) { return new Uint8Array(wasmBinary); } if (readBinary) { return readBinary(file); } throw "both async and sync fetching of the wasm failed"; } catch (err) { abort(err); } } function getBinaryPromise() { // If we don't have the binary yet, try to to load it asynchronously. // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. // See https://github.com/github/fetch/pull/92#issuecomment-140665932 // Cordova or Electron apps are typically loaded from a file:// url. // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { if (typeof fetch == 'function' && !isFileURI(wasmBinaryFile) ) { return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { if (!response['ok']) { throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; } return response['arrayBuffer'](); }).catch(function () { return getBinary(wasmBinaryFile); }); } else { if (readAsync) { // fetch is not available or url is file => try XHR (readAsync uses XHR internally) return new Promise(function(resolve, reject) { readAsync(wasmBinaryFile, function(response) { resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))) }, reject) }); } } } // Otherwise, getBinary should be able to get it synchronously return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); }); } // Create the wasm instance. // Receives the wasm imports, returns the exports. function createWasm() { // prepare imports var info = { 'env': asmLibraryArg, 'wasi_snapshot_preview1': asmLibraryArg, }; // Load the wasm module and create an instance of using native support in the JS engine. // handle a generated wasm instance, receiving its exports and // performing other necessary setup /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) { var exports = instance.exports; Module['asm'] = exports; wasmMemory = Module['asm']['memory']; assert(wasmMemory, "memory not found in wasm exports"); // This assertion doesn't hold when emscripten is run in --post-link // mode. // TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode. //assert(wasmMemory.buffer.byteLength === 16777216); updateMemoryViews(); wasmTable = Module['asm']['__indirect_function_table']; assert(wasmTable, "table not found in wasm exports"); addOnInit(Module['asm']['__wasm_call_ctors']); removeRunDependency('wasm-instantiate'); } // wait for the pthread pool (if any) addRunDependency('wasm-instantiate'); // Prefer streaming instantiation if available. // Async compilation can be confusing when an error on the page overwrites Module // (for example, if the order of elements is wrong, and the one defining Module is // later), so we save Module and check it later. var trueModule = Module; function receiveInstantiationResult(result) { // 'result' is a ResultObject object which has both the module and instance. // receiveInstance() will swap in the exports (to Module.asm) so they can be called assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?'); trueModule = null; // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. // When the regression is fixed, can restore the above USE_PTHREADS-enabled path. receiveInstance(result['instance']); } function instantiateArrayBuffer(receiver) { return getBinaryPromise().then(function(binary) { return WebAssembly.instantiate(binary, info); }).then(function (instance) { return instance; }).then(receiver, function(reason) { err('failed to asynchronously prepare wasm: ' + reason); // Warn on some common problems. if (isFileURI(wasmBinaryFile)) { err('warning: Loading from a file URI (' + wasmBinaryFile + ') is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing'); } abort(reason); }); } function instantiateAsync() { if (!wasmBinary && typeof WebAssembly.instantiateStreaming == 'function' && !isDataURI(wasmBinaryFile) && // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously. !isFileURI(wasmBinaryFile) && // Avoid instantiateStreaming() on Node.js environment for now, as while // Node.js v18.1.0 implements it, it does not have a full fetch() // implementation yet. // // Reference: // https://github.com/emscripten-core/emscripten/pull/16917 !ENVIRONMENT_IS_NODE && typeof fetch == 'function') { return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { // Suppress closure warning here since the upstream definition for // instantiateStreaming only allows Promise<Repsponse> rather than // an actual Response. // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed. /** @suppress {checkTypes} */ var result = WebAssembly.instantiateStreaming(response, info); return result.then( receiveInstantiationResult, function(reason) { // We expect the most common failure cause to be a bad MIME type for the binary, // in which case falling back to ArrayBuffer instantiation should work. err('wasm streaming compile failed: ' + reason); err('falling back to ArrayBuffer instantiation'); return instantiateArrayBuffer(receiveInstantiationResult); }); }); } else { return instantiateArrayBuffer(receiveInstantiationResult); } } // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel // to any other async startup actions they are performing. // Also pthreads and wasm workers initialize the wasm instance through this path. if (Module['instantiateWasm']) { try { var exports = Module['instantiateWasm'](info, receiveInstance); return exports; } catch(e) { err('Module.instantiateWasm callback failed with error: ' + e); // If instantiation fails, reject the module ready promise. readyPromiseReject(e); } } // If instantiation fails, reject the module ready promise. instantiateAsync().catch(readyPromiseReject); return {}; // no exports yet; we'll fill them in later } // Globals used by JS i64 conversions (see makeSetValue) var tempDouble; var tempI64; // === Body === var ASM_CONSTS = { }; /** @constructor */ function ExitStatus(status) { this.name = 'ExitStatus'; this.message = 'Program terminated with exit(' + status + ')'; this.status = status; } function callRuntimeCallbacks(callbacks) { while (callbacks.length > 0) { // Pass the module as the first argument. callbacks.shift()(Module); } } /** * @param {number} ptr * @param {string} type */ function getValue(ptr, type = 'i8') { if (type.endsWith('*')) type = '*'; switch (type) { case 'i1': return HEAP8[((ptr)>>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)]; case '*': return HEAPU32[((ptr)>>2)]; default: abort('invalid type for getValue: ' + type); } return null; } function ptrToString(ptr) { assert(typeof ptr === 'number'); return '0x' + ptr.toString(16).padStart(8, '0'); } /** * @param {number} ptr * @param {number} value * @param {string} type */ function setValue(ptr, value, type = 'i8') { if (type.endsWith('*')) type = '*'; switch (type) { case 'i1': HEAP8[((ptr)>>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;