diff --git a/README.md b/README.md index 4da988b..6aa6b1a 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,7 @@ # mp3-com-meta-browser -A self contained static website for browsing the collection of salvaged mp3.com files. \ No newline at end of file +A self contained static website for browsing the collection of salvaged mp3.com files. + +## Runtime Notes + +- Uses the official `sqlite3` WASM build (vendored under `vendor/sqlite3/`) so that FTS5 is available client-side. diff --git a/index.html b/index.html index 8ff117d..49317a6 100644 --- a/index.html +++ b/index.html @@ -365,8 +365,8 @@ - - + + diff --git a/script.js b/script.js index 13cce9c..cf796aa 100644 --- a/script.js +++ b/script.js @@ -2,13 +2,13 @@ Application bootstrap for the static, client-side metadata browser. - Downloads a zipped SQLite DB (db.zip) with progress and unzips it in-memory - Caches the uncompressed DB bytes in IndexedDB for reuse on next load - - Loads sql.js (WASM) and opens the database from the cached bytes + - Loads the official sqlite3 WASM build (oo1 API) and opens the database from the cached bytes - Swaps interchangeable UX elements (views) in a viewport, with fade transitions Assumptions: - A ZIP archive is hosted at `/db.zip` containing a single `.sqlite` file. - We use `fflate` (UMD) from a CDN to unzip after download (keeps implementation minimal). - - We use `sql.js` from a CDN; the WASM is located via `locateFile` (see initSql()). + - We ship the sqlite3 WASM runtime locally to guarantee FTS5 support. - We store raw DB bytes in IndexedDB (localStorage is too small for large DBs). */ @@ -297,15 +297,109 @@ return dbBytes; } - // --- SQL.js init --- + // --- SQLite WASM init --- async function initSql() { - if (typeof initSqlJs !== 'function') throw new Error('sql.js not loaded'); + if (typeof sqlite3InitModule !== 'function') throw new Error('sqlite3.js not loaded'); loader.setStep('Initializing SQLite…'); loader.setDetail('Loading WASM'); - const SQL = await initSqlJs({ - locateFile: (file) => `https://cdnjs.cloudflare.com/ajax/libs/sql.js/1.10.2/${file}`, + const sqlite3 = await sqlite3InitModule({ + locateFile: (file) => `./vendor/sqlite3/${file}`, }); - return SQL; + return createSqlCompat(sqlite3); + } + + function createSqlCompat(sqlite3) { + const { capi, wasm } = sqlite3; + const SQLITE_DESERIALIZE_FREEONCLOSE = 0x01; + const SQLITE_DESERIALIZE_READONLY = 0x04; + + function loadDatabaseBytes(dbHandle, bytes) { + if (!bytes || !bytes.byteLength) return; + const byteLength = bytes.byteLength; + const pData = wasm.alloc(byteLength); + try { + wasm.heap8u().set(bytes, pData); + const [pSchema] = wasm.allocCString('main', true); + try { + const rc = capi.sqlite3_deserialize( + dbHandle.pointer, + pSchema, + pData, + byteLength, + byteLength, + SQLITE_DESERIALIZE_FREEONCLOSE | SQLITE_DESERIALIZE_READONLY + ); + if (rc !== capi.SQLITE_OK) { + throw new sqlite3.SQLite3Error(`sqlite3_deserialize failed with rc=${rc}`); + } + } finally { + wasm.dealloc(pSchema); + } + } catch (err) { + wasm.dealloc(pData); + throw err; + } + } + + class Statement { + constructor(stmt) { + this._stmt = stmt; + this._columnNames = null; + } + bind(values) { + this._stmt.bind(values); + return true; + } + step() { + return !!this._stmt.step(); + } + getAsObject() { + if (!this._columnNames) this._columnNames = this._stmt.getColumnNames([]); + const row = Object.create(null); + const count = this._columnNames.length; + for (let i = 0; i < count; i += 1) { + row[this._columnNames[i]] = this._stmt.get(i); + } + return row; + } + free() { + this._stmt.finalize(); + } + } + + class Database { + constructor(bytes) { + this._db = new sqlite3.oo1.DB(); + if (bytes) loadDatabaseBytes(this._db, bytes); + } + prepare(sql) { + return new Statement(this._db.prepare(sql)); + } + exec(sql) { + return this._db.exec(sql); + } + close() { + this._db.close(); + } + get pointer() { + return this._db.pointer; + } + } + + function ensureFts5Available(dbHandle) { + let stmt; + try { + stmt = dbHandle.prepare('CREATE VIRTUAL TABLE temp.__fts5_check USING fts5(content TEXT)'); + stmt.step(); + } catch (err) { + throw new Error('SQLite build missing FTS5 support; search requires an fts5-enabled wasm'); + } finally { + try { if (stmt) stmt.free(); } catch (_) {} + try { dbHandle.exec('DROP TABLE IF EXISTS temp.__fts5_check'); } catch (_) {} + } + } + + return { Database, ensureFts5Available }; } // --- Templates & Views --- @@ -2380,6 +2474,7 @@ const SQL = await initSql(); loader.setDetail('Opening database'); const db = new SQL.Database(dbBytes); + SQL.ensureFts5Available(db); activeDb = db; window.__db = db; diff --git a/vendor/sqlite3/README.txt b/vendor/sqlite3/README.txt new file mode 100644 index 0000000..6656a20 --- /dev/null +++ b/vendor/sqlite3/README.txt @@ -0,0 +1,46 @@ +This is the README for the sqlite3 WASM/JS distribution. + +Main project page: https://sqlite.org + +Documentation: https://sqlite.org/wasm + +This archive contains the following deliverables for the WASM/JS +build: + +- jswasm/sqlite3.js is the canonical "vanilla JS" version. + +- jswasm/sqlite3.mjs is the same but in ES6 module form + +- jswasm/*-bundler-friendly.js and .mjs are variants which are + intended to be compatible with "bundler" tools commonly seen in + node.js-based projects. Projects using such tools should use those + variants, where available, instead of files without the + "-bundler-friendly" suffix. Some files do not have separate + variants. + +- jswasm/sqlite3.wasm is the binary WASM file imported by all of the + above-listed JS files. + +- The jswasm directory additionally contains a number of supplemental + JS files which cannot be bundled directly with the main JS files + but are necessary for certain usages. + +- The top-level directory contains various demonstration and test + applications for sqlite3.js and sqlite3.mjs. + sqlite3-bundler-friendly.mjs requires client-side build tools to make + use of and is not demonstrated here. + +Browsers will not serve WASM files from file:// URLs, so the test and +demonstration apps require a web server and that server must include +the following headers in its response when serving the files: + + Cross-Origin-Opener-Policy: same-origin + Cross-Origin-Embedder-Policy: require-corp + +The core library will function without those headers but certain +features, most notably OPFS storage, will not be available. + +One simple way to get the demo apps up and running on Unix-style +systems is to install althttpd (https://sqlite.org/althttpd) and run: + + althttpd --enable-sab --page index.html diff --git a/vendor/sqlite3/sqlite3.js b/vendor/sqlite3/sqlite3.js new file mode 100644 index 0000000..b91824c --- /dev/null +++ b/vendor/sqlite3/sqlite3.js @@ -0,0 +1,12904 @@ +/* +** LICENSE for the sqlite3 WebAssembly/JavaScript APIs. +** +** This bundle (typically released as sqlite3.js or sqlite3.mjs) +** is an amalgamation of JavaScript source code from two projects: +** +** 1) https://emscripten.org: the Emscripten "glue code" is covered by +** the terms of the MIT license and University of Illinois/NCSA +** Open Source License, as described at: +** +** https://emscripten.org/docs/introducing_emscripten/emscripten_license.html +** +** 2) https://sqlite.org: all code and documentation labeled as being +** from this source are released under the same terms as the sqlite3 +** C library: +** +** 2022-10-16 +** +** The author disclaims copyright to this source code. In place of a +** legal notice, here is a blessing: +** +** * May you do good and not evil. +** * May you find forgiveness for yourself and forgive others. +** * May you share freely, never taking more than you give. +*/ +/* +** This code was built from sqlite3 version... +** +** +** Using the Emscripten SDK version 3.1.30. +*/ + +var sqlite3InitModule = (() => { + var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined; + + return ( +function(config) { + var sqlite3InitModule = config || {}; + + + + + + + + + + + + + + + + +var Module = typeof sqlite3InitModule != 'undefined' ? sqlite3InitModule : {}; + + +var readyPromiseResolve, readyPromiseReject; +Module['ready'] = new Promise(function(resolve, reject) { + readyPromiseResolve = resolve; + readyPromiseReject = reject; +}); + + + + + + +const sqlite3InitModuleState = globalThis.sqlite3InitModuleState + || Object.assign(Object.create(null),{ + debugModule: ()=>{} + }); +delete globalThis.sqlite3InitModuleState; +sqlite3InitModuleState.debugModule('globalThis.location =',globalThis.location); + + +Module['locateFile'] = function(path, prefix) { + 'use strict'; + let theFile; + const up = this.urlParams; + if(up.has(path)){ + theFile = up.get(path); + }else if(this.sqlite3Dir){ + theFile = this.sqlite3Dir + path; + }else if(this.scriptDir){ + theFile = this.scriptDir + path; + }else{ + theFile = prefix + path; + } + sqlite3InitModuleState.debugModule( + "locateFile(",arguments[0], ',', arguments[1],")", + 'sqlite3InitModuleState.scriptDir =',this.scriptDir, + 'up.entries() =',Array.from(up.entries()), + "result =", theFile + ); + return theFile; +}.bind(sqlite3InitModuleState); + + +const xNameOfInstantiateWasm = false + ? 'instantiateWasm' + : 'emscripten-bug-17951'; +Module[xNameOfInstantiateWasm] = function callee(imports,onSuccess){ + imports.env.foo = function(){}; + const uri = Module.locateFile( + callee.uri, ( + ('undefined'===typeof scriptDirectory) + ? "" : scriptDirectory) + ); + sqlite3InitModuleState.debugModule( + "instantiateWasm() uri =", uri + ); + const wfetch = ()=>fetch(uri, {credentials: 'same-origin'}); + const loadWasm = WebAssembly.instantiateStreaming + ? async ()=>{ + return WebAssembly.instantiateStreaming(wfetch(), imports) + .then((arg)=>onSuccess(arg.instance, arg.module)); + } + : async ()=>{ + return wfetch() + .then(response => response.arrayBuffer()) + .then(bytes => WebAssembly.instantiate(bytes, imports)) + .then((arg)=>onSuccess(arg.instance, arg.module)); + }; + loadWasm(); + return {}; +}; + +Module[xNameOfInstantiateWasm].uri = 'sqlite3.wasm'; + + + + + + + + +var moduleOverrides = Object.assign({}, Module); + +var arguments_ = []; +var thisProgram = './this.program'; +var quit_ = (status, toThrow) => { + throw toThrow; +}; + + + + + +var ENVIRONMENT_IS_WEB = typeof window == 'object'; +var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function'; + + +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; + + +var scriptDirectory = ''; +function locateFile(path) { + if (Module['locateFile']) { + return Module['locateFile'](path, scriptDirectory); + } + return scriptDirectory + path; +} + + +var read_, + readAsync, + readBinary, + setWindowTitle; + + + + +if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { + if (ENVIRONMENT_IS_WORKER) { + scriptDirectory = self.location.href; + } else if (typeof document != 'undefined' && document.currentScript) { + scriptDirectory = document.currentScript.src; + } + + + if (_scriptDir) { + scriptDirectory = _scriptDir; + } + + + + + + + if (scriptDirectory.indexOf('blob:') !== 0) { + scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1); + } else { + scriptDirectory = ''; + } + + + + { + + + + 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((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)) { + onload(xhr.response); + return; + } + onerror(); + }; + xhr.onerror = onerror; + xhr.send(null); + } + + + } + + setWindowTitle = (title) => document.title = title; +} else +{ +} + +var out = Module['print'] || console.log.bind(console); +var err = Module['printErr'] || console.warn.bind(console); + + +Object.assign(Module, moduleOverrides); + + +moduleOverrides = null; + + + + + + +if (Module['arguments']) arguments_ = Module['arguments']; + +if (Module['thisProgram']) thisProgram = Module['thisProgram']; + +if (Module['quit']) quit_ = Module['quit']; + + + + + + +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; + } + } +} + + + + + + + + + + + + + + + + + + + +var wasmBinary; +if (Module['wasmBinary']) wasmBinary = Module['wasmBinary']; +var noExitRuntime = Module['noExitRuntime'] || true; + +if (typeof WebAssembly != 'object') { + abort('no native wasm support detected'); +} + + + +var wasmMemory; + + + + + + + +var ABORT = false; + + + + +var EXITSTATUS; + + +function assert(condition, text) { + if (!condition) { + + + + abort(text); + } +} + + + + + + + +var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; + + +function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) { + var endIdx = idx + maxBytesToRead; + var endPtr = idx; + + + + + + while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr; + + if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) { + return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr)); + } + var str = ''; + + + while (idx < endPtr) { + + + + + 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 { + 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; +} + + +function UTF8ToString(ptr, maxBytesToRead) { + return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; +} + + +function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { + + + if (!(maxBytesToWrite > 0)) + return 0; + + var startIdx = outIdx; + var endIdx = outIdx + maxBytesToWrite - 1; + for (var i = 0; i < str.length; ++i) { + + + + + + + + var u = str.charCodeAt(i); + 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); + } + } + + heap[outIdx] = 0; + return outIdx - startIdx; +} + + +function stringToUTF8(str, outPtr, maxBytesToWrite) { + return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); +} + + +function lengthBytesUTF8(str) { + var len = 0; + for (var i = 0; i < str.length; ++i) { + + + + + var c = str.charCodeAt(i); + if (c <= 0x7F) { + len++; + } else if (c <= 0x7FF) { + len += 2; + } else if (c >= 0xD800 && c <= 0xDFFF) { + len += 4; ++i; + } else { + len += 3; + } + } + return len; +} + + + + +var HEAP, + + HEAP8, + + HEAPU8, + + HEAP16, + + HEAPU16, + + HEAP32, + + HEAPU32, + + HEAPF32, + + HEAP64, + + HEAPU64, + + 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); + Module['HEAP64'] = HEAP64 = new BigInt64Array(b); + Module['HEAPU64'] = HEAPU64 = new BigUint64Array(b); +} + +var STACK_SIZE = 524288; + +var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216; + + + + + + + + if (Module['wasmMemory']) { + wasmMemory = Module['wasmMemory']; + } else + { + wasmMemory = new WebAssembly.Memory({ + 'initial': INITIAL_MEMORY / 65536, + + + + + + 'maximum': 2147483648 / 65536 + }); + } + +updateMemoryViews(); + + + +INITIAL_MEMORY = wasmMemory.buffer.byteLength; + + + + + + + +var wasmTable; + + + + + + + + + + +var __ATPRERUN__ = []; +var __ATINIT__ = []; +var __ATEXIT__ = []; +var __ATPOSTRUN__ = []; + +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() { + runtimeInitialized = true; + + +if (!Module["noFSInit"] && !FS.init.initialized) + FS.init(); +FS.ignorePermissions = false; + +TTY.init(); + callRuntimeCallbacks(__ATINIT__); +} + +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 addOnExit(cb) { +} + +function addOnPostRun(cb) { + __ATPOSTRUN__.unshift(cb); +} + + + + + + + + + + + + + + + + + + + + +var runDependencies = 0; +var runDependencyWatcher = null; +var dependenciesFulfilled = null; + +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(); + } + } +} + + +function abort(what) { + if (Module['onAbort']) { + Module['onAbort'](what); + } + + what = 'Aborted(' + what + ')'; + + + err(what); + + ABORT = true; + EXITSTATUS = 1; + + what += '. Build with -sASSERTIONS for more info.'; + + + + + + + + + + + + + + + + var e = new WebAssembly.RuntimeError(what); + + readyPromiseReject(e); + + + + throw e; +} + + + + + + + + + + + +var dataURIPrefix = 'data:application/octet-stream;base64,'; + + +function isDataURI(filename) { + + return filename.startsWith(dataURIPrefix); +} + + +function isFileURI(filename) { + return filename.startsWith('file://'); +} + + +var wasmBinaryFile; + wasmBinaryFile = 'sqlite3.wasm'; + if (!isDataURI(wasmBinaryFile)) { + wasmBinaryFile = locateFile(wasmBinaryFile); + } + +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 (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { + if (typeof fetch == 'function' + ) { + return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { + if (!response['ok']) { + throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; + } + return response['arrayBuffer'](); + }).catch(function () { + return getBinary(wasmBinaryFile); + }); + } + } + + + return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); }); +} + + + +function createWasm() { + + var info = { + 'env': asmLibraryArg, + 'wasi_snapshot_preview1': asmLibraryArg, + }; + + + + + function receiveInstance(instance, module) { + var exports = instance.exports; + + Module['asm'] = exports; + + wasmTable = Module['asm']['__indirect_function_table']; + + addOnInit(Module['asm']['__wasm_call_ctors']); + + removeRunDependency('wasm-instantiate'); + + } + + addRunDependency('wasm-instantiate'); + + + function receiveInstantiationResult(result) { + + + + + 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); + + abort(reason); + }); + } + + 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( + receiveInstantiationResult, + function(reason) { + + + err('wasm streaming compile failed: ' + reason); + err('falling back to ArrayBuffer instantiation'); + return instantiateArrayBuffer(receiveInstantiationResult); + }); + }); + } else { + return instantiateArrayBuffer(receiveInstantiationResult); + } + } + + + + + + if (Module['instantiateWasm']) { + try { + var exports = Module['instantiateWasm'](info, receiveInstance); + return exports; + } catch(e) { + err('Module.instantiateWasm callback failed with error: ' + e); + + readyPromiseReject(e); + } + } + + + instantiateAsync().catch(readyPromiseReject); + return {}; +} + + +var tempDouble; +var tempI64; + + + +var ASM_CONSTS = { + +}; + + + + + + + function ExitStatus(status) { + this.name = 'ExitStatus'; + this.message = 'Program terminated with exit(' + status + ')'; + this.status = status; + } + + function callRuntimeCallbacks(callbacks) { + while (callbacks.length > 0) { + + callbacks.shift()(Module); + } + } + + + + 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 HEAP64[((ptr)>>3)]; + case 'float': return HEAPF32[((ptr)>>2)]; + case 'double': return HEAPF64[((ptr)>>3)]; + case '*': return HEAPU32[((ptr)>>2)]; + default: abort('invalid type for getValue: ' + type); + } + return null; + } + + + + 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; break; + case '*': HEAPU32[((ptr)>>2)] = value; break; + default: abort('invalid type for setValue: ' + type); + } + } + + var PATH = {isAbs:(path) => path.charAt(0) === '/',splitPath:(filename) => { + var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; + return splitPathRe.exec(filename).slice(1); + },normalizeArray:(parts, allowAboveRoot) => { + + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === '.') { + parts.splice(i, 1); + } else if (last === '..') { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + + if (allowAboveRoot) { + for (; up; up--) { + parts.unshift('..'); + } + } + return parts; + },normalize:(path) => { + var isAbsolute = PATH.isAbs(path), + trailingSlash = path.substr(-1) === '/'; + + path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/'); + if (!path && !isAbsolute) { + path = '.'; + } + if (path && trailingSlash) { + path += '/'; + } + return (isAbsolute ? '/' : '') + path; + },dirname:(path) => { + var result = PATH.splitPath(path), + root = result[0], + dir = result[1]; + if (!root && !dir) { + + return '.'; + } + if (dir) { + + dir = dir.substr(0, dir.length - 1); + } + return root + dir; + },basename:(path) => { + + if (path === '/') return '/'; + path = PATH.normalize(path); + path = path.replace(/\/$/, ""); + var lastSlash = path.lastIndexOf('/'); + if (lastSlash === -1) return path; + return path.substr(lastSlash+1); + },join:function() { + var paths = Array.prototype.slice.call(arguments); + return PATH.normalize(paths.join('/')); + },join2:(l, r) => { + return PATH.normalize(l + '/' + r); + }}; + + function getRandomDevice() { + if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') { + + var randomBuffer = new Uint8Array(1); + return () => { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; }; + } else + + return () => abort("randomDevice"); + } + + + + var PATH_FS = {resolve:function() { + var resolvedPath = '', + resolvedAbsolute = false; + for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { + var path = (i >= 0) ? arguments[i] : FS.cwd(); + + if (typeof path != 'string') { + throw new TypeError('Arguments to path.resolve must be strings'); + } else if (!path) { + return ''; + } + resolvedPath = path + '/' + resolvedPath; + resolvedAbsolute = PATH.isAbs(path); + } + + + resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter((p) => !!p), !resolvedAbsolute).join('/'); + return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; + },relative:(from, to) => { + from = PATH_FS.resolve(from).substr(1); + to = PATH_FS.resolve(to).substr(1); + function trim(arr) { + var start = 0; + for (; start < arr.length; start++) { + if (arr[start] !== '') break; + } + var end = arr.length - 1; + for (; end >= 0; end--) { + if (arr[end] !== '') break; + } + if (start > end) return []; + return arr.slice(start, end - start + 1); + } + var fromParts = trim(from.split('/')); + var toParts = trim(to.split('/')); + var length = Math.min(fromParts.length, toParts.length); + var samePartsLength = length; + for (var i = 0; i < length; i++) { + if (fromParts[i] !== toParts[i]) { + samePartsLength = i; + break; + } + } + var outputParts = []; + for (var i = samePartsLength; i < fromParts.length; i++) { + outputParts.push('..'); + } + outputParts = outputParts.concat(toParts.slice(samePartsLength)); + return outputParts.join('/'); + }}; + + + + 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; + } + var TTY = {ttys:[],init:function () { + + + + + + + + + },shutdown:function() { + + + + + + + + + + },register:function(dev, ops) { + TTY.ttys[dev] = { input: [], output: [], ops: ops }; + FS.registerDevice(dev, TTY.stream_ops); + },stream_ops:{open:function(stream) { + var tty = TTY.ttys[stream.node.rdev]; + if (!tty) { + throw new FS.ErrnoError(43); + } + stream.tty = tty; + stream.seekable = false; + },close:function(stream) { + + stream.tty.ops.fsync(stream.tty); + },fsync:function(stream) { + stream.tty.ops.fsync(stream.tty); + },read:function(stream, buffer, offset, length, pos ) { + if (!stream.tty || !stream.tty.ops.get_char) { + throw new FS.ErrnoError(60); + } + var bytesRead = 0; + for (var i = 0; i < length; i++) { + var result; + try { + result = stream.tty.ops.get_char(stream.tty); + } catch (e) { + throw new FS.ErrnoError(29); + } + if (result === undefined && bytesRead === 0) { + throw new FS.ErrnoError(6); + } + if (result === null || result === undefined) break; + bytesRead++; + buffer[offset+i] = result; + } + if (bytesRead) { + stream.node.timestamp = Date.now(); + } + return bytesRead; + },write:function(stream, buffer, offset, length, pos) { + if (!stream.tty || !stream.tty.ops.put_char) { + throw new FS.ErrnoError(60); + } + try { + for (var i = 0; i < length; i++) { + stream.tty.ops.put_char(stream.tty, buffer[offset+i]); + } + } catch (e) { + throw new FS.ErrnoError(29); + } + if (length) { + stream.node.timestamp = Date.now(); + } + return i; + }},default_tty_ops:{get_char:function(tty) { + if (!tty.input.length) { + var result = null; + if (typeof window != 'undefined' && + typeof window.prompt == 'function') { + + result = window.prompt('Input: '); + if (result !== null) { + result += '\n'; + } + } else if (typeof readline == 'function') { + + result = readline(); + if (result !== null) { + result += '\n'; + } + } + if (!result) { + return null; + } + tty.input = intArrayFromString(result, true); + } + return tty.input.shift(); + },put_char:function(tty, val) { + if (val === null || val === 10) { + out(UTF8ArrayToString(tty.output, 0)); + tty.output = []; + } else { + if (val != 0) tty.output.push(val); + } + },fsync:function(tty) { + if (tty.output && tty.output.length > 0) { + out(UTF8ArrayToString(tty.output, 0)); + tty.output = []; + } + }},default_tty1_ops:{put_char:function(tty, val) { + if (val === null || val === 10) { + err(UTF8ArrayToString(tty.output, 0)); + tty.output = []; + } else { + if (val != 0) tty.output.push(val); + } + },fsync:function(tty) { + if (tty.output && tty.output.length > 0) { + err(UTF8ArrayToString(tty.output, 0)); + tty.output = []; + } + }}}; + + + function zeroMemory(address, size) { + HEAPU8.fill(0, address, address + size); + return address; + } + + function alignMemory(size, alignment) { + return Math.ceil(size / alignment) * alignment; + } + function mmapAlloc(size) { + size = alignMemory(size, 65536); + var ptr = _emscripten_builtin_memalign(65536, size); + if (!ptr) return 0; + return zeroMemory(ptr, size); + } + var MEMFS = {ops_table:null,mount:function(mount) { + return MEMFS.createNode(null, '/', 16384 | 511 , 0); + },createNode:function(parent, name, mode, dev) { + if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { + + throw new FS.ErrnoError(63); + } + if (!MEMFS.ops_table) { + MEMFS.ops_table = { + dir: { + node: { + getattr: MEMFS.node_ops.getattr, + setattr: MEMFS.node_ops.setattr, + lookup: MEMFS.node_ops.lookup, + mknod: MEMFS.node_ops.mknod, + rename: MEMFS.node_ops.rename, + unlink: MEMFS.node_ops.unlink, + rmdir: MEMFS.node_ops.rmdir, + readdir: MEMFS.node_ops.readdir, + symlink: MEMFS.node_ops.symlink + }, + stream: { + llseek: MEMFS.stream_ops.llseek + } + }, + file: { + node: { + getattr: MEMFS.node_ops.getattr, + setattr: MEMFS.node_ops.setattr + }, + stream: { + llseek: MEMFS.stream_ops.llseek, + read: MEMFS.stream_ops.read, + write: MEMFS.stream_ops.write, + allocate: MEMFS.stream_ops.allocate, + mmap: MEMFS.stream_ops.mmap, + msync: MEMFS.stream_ops.msync + } + }, + link: { + node: { + getattr: MEMFS.node_ops.getattr, + setattr: MEMFS.node_ops.setattr, + readlink: MEMFS.node_ops.readlink + }, + stream: {} + }, + chrdev: { + node: { + getattr: MEMFS.node_ops.getattr, + setattr: MEMFS.node_ops.setattr + }, + stream: FS.chrdev_stream_ops + } + }; + } + var node = FS.createNode(parent, name, mode, dev); + if (FS.isDir(node.mode)) { + node.node_ops = MEMFS.ops_table.dir.node; + node.stream_ops = MEMFS.ops_table.dir.stream; + node.contents = {}; + } else if (FS.isFile(node.mode)) { + node.node_ops = MEMFS.ops_table.file.node; + node.stream_ops = MEMFS.ops_table.file.stream; + node.usedBytes = 0; + + + + node.contents = null; + } else if (FS.isLink(node.mode)) { + node.node_ops = MEMFS.ops_table.link.node; + node.stream_ops = MEMFS.ops_table.link.stream; + } else if (FS.isChrdev(node.mode)) { + node.node_ops = MEMFS.ops_table.chrdev.node; + node.stream_ops = MEMFS.ops_table.chrdev.stream; + } + node.timestamp = Date.now(); + + if (parent) { + parent.contents[name] = node; + parent.timestamp = node.timestamp; + } + return node; + },getFileDataAsTypedArray:function(node) { + if (!node.contents) return new Uint8Array(0); + if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); + return new Uint8Array(node.contents); + },expandFileStorage:function(node, newCapacity) { + var prevCapacity = node.contents ? node.contents.length : 0; + if (prevCapacity >= newCapacity) return; + + + + var CAPACITY_DOUBLING_MAX = 1024 * 1024; + newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0); + if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); + var oldContents = node.contents; + node.contents = new Uint8Array(newCapacity); + if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); + },resizeFileStorage:function(node, newSize) { + if (node.usedBytes == newSize) return; + if (newSize == 0) { + node.contents = null; + node.usedBytes = 0; + } else { + var oldContents = node.contents; + node.contents = new Uint8Array(newSize); + if (oldContents) { + node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); + } + node.usedBytes = newSize; + } + },node_ops:{getattr:function(node) { + var attr = {}; + + attr.dev = FS.isChrdev(node.mode) ? node.id : 1; + attr.ino = node.id; + attr.mode = node.mode; + attr.nlink = 1; + attr.uid = 0; + attr.gid = 0; + attr.rdev = node.rdev; + if (FS.isDir(node.mode)) { + attr.size = 4096; + } else if (FS.isFile(node.mode)) { + attr.size = node.usedBytes; + } else if (FS.isLink(node.mode)) { + attr.size = node.link.length; + } else { + attr.size = 0; + } + attr.atime = new Date(node.timestamp); + attr.mtime = new Date(node.timestamp); + attr.ctime = new Date(node.timestamp); + + + attr.blksize = 4096; + attr.blocks = Math.ceil(attr.size / attr.blksize); + return attr; + },setattr:function(node, attr) { + if (attr.mode !== undefined) { + node.mode = attr.mode; + } + if (attr.timestamp !== undefined) { + node.timestamp = attr.timestamp; + } + if (attr.size !== undefined) { + MEMFS.resizeFileStorage(node, attr.size); + } + },lookup:function(parent, name) { + throw FS.genericErrors[44]; + },mknod:function(parent, name, mode, dev) { + return MEMFS.createNode(parent, name, mode, dev); + },rename:function(old_node, new_dir, new_name) { + + if (FS.isDir(old_node.mode)) { + var new_node; + try { + new_node = FS.lookupNode(new_dir, new_name); + } catch (e) { + } + if (new_node) { + for (var i in new_node.contents) { + throw new FS.ErrnoError(55); + } + } + } + + delete old_node.parent.contents[old_node.name]; + old_node.parent.timestamp = Date.now() + old_node.name = new_name; + new_dir.contents[new_name] = old_node; + new_dir.timestamp = old_node.parent.timestamp; + old_node.parent = new_dir; + },unlink:function(parent, name) { + delete parent.contents[name]; + parent.timestamp = Date.now(); + },rmdir:function(parent, name) { + var node = FS.lookupNode(parent, name); + for (var i in node.contents) { + throw new FS.ErrnoError(55); + } + delete parent.contents[name]; + parent.timestamp = Date.now(); + },readdir:function(node) { + var entries = ['.', '..']; + for (var key in node.contents) { + if (!node.contents.hasOwnProperty(key)) { + continue; + } + entries.push(key); + } + return entries; + },symlink:function(parent, newname, oldpath) { + var node = MEMFS.createNode(parent, newname, 511 | 40960, 0); + node.link = oldpath; + return node; + },readlink:function(node) { + if (!FS.isLink(node.mode)) { + throw new FS.ErrnoError(28); + } + return node.link; + }},stream_ops:{read:function(stream, buffer, offset, length, position) { + var contents = stream.node.contents; + if (position >= stream.node.usedBytes) return 0; + var size = Math.min(stream.node.usedBytes - position, length); + if (size > 8 && contents.subarray) { + buffer.set(contents.subarray(position, position + size), offset); + } else { + for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]; + } + return size; + },write:function(stream, buffer, offset, length, position, canOwn) { + + + + + if (buffer.buffer === HEAP8.buffer) { + canOwn = false; + } + + if (!length) return 0; + var node = stream.node; + node.timestamp = Date.now(); + + if (buffer.subarray && (!node.contents || node.contents.subarray)) { + if (canOwn) { + node.contents = buffer.subarray(offset, offset + length); + node.usedBytes = length; + return length; + } else if (node.usedBytes === 0 && position === 0) { + node.contents = buffer.slice(offset, offset + length); + node.usedBytes = length; + return length; + } else if (position + length <= node.usedBytes) { + node.contents.set(buffer.subarray(offset, offset + length), position); + return length; + } + } + + + MEMFS.expandFileStorage(node, position+length); + if (node.contents.subarray && buffer.subarray) { + + node.contents.set(buffer.subarray(offset, offset + length), position); + } else { + for (var i = 0; i < length; i++) { + node.contents[position + i] = buffer[offset + i]; + } + } + node.usedBytes = Math.max(node.usedBytes, position + length); + return length; + },llseek:function(stream, offset, whence) { + var position = offset; + if (whence === 1) { + position += stream.position; + } else if (whence === 2) { + if (FS.isFile(stream.node.mode)) { + position += stream.node.usedBytes; + } + } + if (position < 0) { + throw new FS.ErrnoError(28); + } + return position; + },allocate:function(stream, offset, length) { + MEMFS.expandFileStorage(stream.node, offset + length); + stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length); + },mmap:function(stream, length, position, prot, flags) { + if (!FS.isFile(stream.node.mode)) { + throw new FS.ErrnoError(43); + } + var ptr; + var allocated; + var contents = stream.node.contents; + + if (!(flags & 2) && contents.buffer === HEAP8.buffer) { + + + allocated = false; + ptr = contents.byteOffset; + } else { + + if (position > 0 || position + length < contents.length) { + if (contents.subarray) { + contents = contents.subarray(position, position + length); + } else { + contents = Array.prototype.slice.call(contents, position, position + length); + } + } + allocated = true; + ptr = mmapAlloc(length); + if (!ptr) { + throw new FS.ErrnoError(48); + } + HEAP8.set(contents, ptr); + } + return { ptr: ptr, allocated: allocated }; + },msync:function(stream, buffer, offset, length, mmapFlags) { + MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); + + return 0; + }}}; + + + function asyncLoad(url, onload, onerror, noRunDep) { + var dep = !noRunDep ? getUniqueRunDependency('al ' + url) : ''; + readAsync(url, (arrayBuffer) => { + assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).'); + onload(new Uint8Array(arrayBuffer)); + if (dep) removeRunDependency(dep); + }, (event) => { + if (onerror) { + onerror(); + } else { + throw 'Loading data file "' + url + '" failed.'; + } + }); + if (dep) addRunDependency(dep); + } + + var FS = {root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:(path, opts = {}) => { + path = PATH_FS.resolve(path); + + if (!path) return { path: '', node: null }; + + var defaults = { + follow_mount: true, + recurse_count: 0 + }; + opts = Object.assign(defaults, opts) + + if (opts.recurse_count > 8) { + throw new FS.ErrnoError(32); + } + + + var parts = path.split('/').filter((p) => !!p); + + + var current = FS.root; + var current_path = '/'; + + for (var i = 0; i < parts.length; i++) { + var islast = (i === parts.length-1); + if (islast && opts.parent) { + + break; + } + + current = FS.lookupNode(current, parts[i]); + current_path = PATH.join2(current_path, parts[i]); + + + if (FS.isMountpoint(current)) { + if (!islast || (islast && opts.follow_mount)) { + current = current.mounted.root; + } + } + + + + if (!islast || opts.follow) { + var count = 0; + while (FS.isLink(current.mode)) { + var link = FS.readlink(current_path); + current_path = PATH_FS.resolve(PATH.dirname(current_path), link); + + var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count + 1 }); + current = lookup.node; + + if (count++ > 40) { + throw new FS.ErrnoError(32); + } + } + } + } + + return { path: current_path, node: current }; + },getPath:(node) => { + var path; + while (true) { + if (FS.isRoot(node)) { + var mount = node.mount.mountpoint; + if (!path) return mount; + return mount[mount.length-1] !== '/' ? mount + '/' + path : mount + path; + } + path = path ? node.name + '/' + path : node.name; + node = node.parent; + } + },hashName:(parentid, name) => { + var hash = 0; + + for (var i = 0; i < name.length; i++) { + hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0; + } + return ((parentid + hash) >>> 0) % FS.nameTable.length; + },hashAddNode:(node) => { + var hash = FS.hashName(node.parent.id, node.name); + node.name_next = FS.nameTable[hash]; + FS.nameTable[hash] = node; + },hashRemoveNode:(node) => { + var hash = FS.hashName(node.parent.id, node.name); + if (FS.nameTable[hash] === node) { + FS.nameTable[hash] = node.name_next; + } else { + var current = FS.nameTable[hash]; + while (current) { + if (current.name_next === node) { + current.name_next = node.name_next; + break; + } + current = current.name_next; + } + } + },lookupNode:(parent, name) => { + var errCode = FS.mayLookup(parent); + if (errCode) { + throw new FS.ErrnoError(errCode, parent); + } + var hash = FS.hashName(parent.id, name); + for (var node = FS.nameTable[hash]; node; node = node.name_next) { + var nodeName = node.name; + if (node.parent.id === parent.id && nodeName === name) { + return node; + } + } + + return FS.lookup(parent, name); + },createNode:(parent, name, mode, rdev) => { + var node = new FS.FSNode(parent, name, mode, rdev); + + FS.hashAddNode(node); + + return node; + },destroyNode:(node) => { + FS.hashRemoveNode(node); + },isRoot:(node) => { + return node === node.parent; + },isMountpoint:(node) => { + return !!node.mounted; + },isFile:(mode) => { + return (mode & 61440) === 32768; + },isDir:(mode) => { + return (mode & 61440) === 16384; + },isLink:(mode) => { + return (mode & 61440) === 40960; + },isChrdev:(mode) => { + return (mode & 61440) === 8192; + },isBlkdev:(mode) => { + return (mode & 61440) === 24576; + },isFIFO:(mode) => { + return (mode & 61440) === 4096; + },isSocket:(mode) => { + return (mode & 49152) === 49152; + },flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:(str) => { + var flags = FS.flagModes[str]; + if (typeof flags == 'undefined') { + throw new Error('Unknown file open mode: ' + str); + } + return flags; + },flagsToPermissionString:(flag) => { + var perms = ['r', 'w', 'rw'][flag & 3]; + if ((flag & 512)) { + perms += 'w'; + } + return perms; + },nodePermissions:(node, perms) => { + if (FS.ignorePermissions) { + return 0; + } + + if (perms.includes('r') && !(node.mode & 292)) { + return 2; + } else if (perms.includes('w') && !(node.mode & 146)) { + return 2; + } else if (perms.includes('x') && !(node.mode & 73)) { + return 2; + } + return 0; + },mayLookup:(dir) => { + var errCode = FS.nodePermissions(dir, 'x'); + if (errCode) return errCode; + if (!dir.node_ops.lookup) return 2; + return 0; + },mayCreate:(dir, name) => { + try { + var node = FS.lookupNode(dir, name); + return 20; + } catch (e) { + } + return FS.nodePermissions(dir, 'wx'); + },mayDelete:(dir, name, isdir) => { + var node; + try { + node = FS.lookupNode(dir, name); + } catch (e) { + return e.errno; + } + var errCode = FS.nodePermissions(dir, 'wx'); + if (errCode) { + return errCode; + } + if (isdir) { + if (!FS.isDir(node.mode)) { + return 54; + } + if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { + return 10; + } + } else { + if (FS.isDir(node.mode)) { + return 31; + } + } + return 0; + },mayOpen:(node, flags) => { + if (!node) { + return 44; + } + if (FS.isLink(node.mode)) { + return 32; + } else if (FS.isDir(node.mode)) { + if (FS.flagsToPermissionString(flags) !== 'r' || + (flags & 512)) { + return 31; + } + } + return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); + },MAX_OPEN_FDS:4096,nextfd:(fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => { + for (var fd = fd_start; fd <= fd_end; fd++) { + if (!FS.streams[fd]) { + return fd; + } + } + throw new FS.ErrnoError(33); + },getStream:(fd) => FS.streams[fd],createStream:(stream, fd_start, fd_end) => { + if (!FS.FSStream) { + FS.FSStream = function() { + this.shared = { }; + }; + FS.FSStream.prototype = {}; + Object.defineProperties(FS.FSStream.prototype, { + object: { + + get: function() { return this.node; }, + + set: function(val) { this.node = val; } + }, + isRead: { + + get: function() { return (this.flags & 2097155) !== 1; } + }, + isWrite: { + + get: function() { return (this.flags & 2097155) !== 0; } + }, + isAppend: { + + get: function() { return (this.flags & 1024); } + }, + flags: { + + get: function() { return this.shared.flags; }, + + set: function(val) { this.shared.flags = val; }, + }, + position : { + + get: function() { return this.shared.position; }, + + set: function(val) { this.shared.position = val; }, + }, + }); + } + + stream = Object.assign(new FS.FSStream(), stream); + var fd = FS.nextfd(fd_start, fd_end); + stream.fd = fd; + FS.streams[fd] = stream; + return stream; + },closeStream:(fd) => { + FS.streams[fd] = null; + },chrdev_stream_ops:{open:(stream) => { + var device = FS.getDevice(stream.node.rdev); + + stream.stream_ops = device.stream_ops; + + if (stream.stream_ops.open) { + stream.stream_ops.open(stream); + } + },llseek:() => { + throw new FS.ErrnoError(70); + }},major:(dev) => ((dev) >> 8),minor:(dev) => ((dev) & 0xff),makedev:(ma, mi) => ((ma) << 8 | (mi)),registerDevice:(dev, ops) => { + FS.devices[dev] = { stream_ops: ops }; + },getDevice:(dev) => FS.devices[dev],getMounts:(mount) => { + var mounts = []; + var check = [mount]; + + while (check.length) { + var m = check.pop(); + + mounts.push(m); + + check.push.apply(check, m.mounts); + } + + return mounts; + },syncfs:(populate, callback) => { + if (typeof populate == 'function') { + callback = populate; + populate = false; + } + + FS.syncFSRequests++; + + if (FS.syncFSRequests > 1) { + err('warning: ' + FS.syncFSRequests + ' FS.syncfs operations in flight at once, probably just doing extra work'); + } + + var mounts = FS.getMounts(FS.root.mount); + var completed = 0; + + function doCallback(errCode) { + FS.syncFSRequests--; + return callback(errCode); + } + + function done(errCode) { + if (errCode) { + if (!done.errored) { + done.errored = true; + return doCallback(errCode); + } + return; + } + if (++completed >= mounts.length) { + doCallback(null); + } + }; + + + mounts.forEach((mount) => { + if (!mount.type.syncfs) { + return done(null); + } + mount.type.syncfs(mount, populate, done); + }); + },mount:(type, opts, mountpoint) => { + var root = mountpoint === '/'; + var pseudo = !mountpoint; + var node; + + if (root && FS.root) { + throw new FS.ErrnoError(10); + } else if (!root && !pseudo) { + var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); + + mountpoint = lookup.path; + node = lookup.node; + + if (FS.isMountpoint(node)) { + throw new FS.ErrnoError(10); + } + + if (!FS.isDir(node.mode)) { + throw new FS.ErrnoError(54); + } + } + + var mount = { + type: type, + opts: opts, + mountpoint: mountpoint, + mounts: [] + }; + + + var mountRoot = type.mount(mount); + mountRoot.mount = mount; + mount.root = mountRoot; + + if (root) { + FS.root = mountRoot; + } else if (node) { + + node.mounted = mount; + + + if (node.mount) { + node.mount.mounts.push(mount); + } + } + + return mountRoot; + },unmount:(mountpoint) => { + var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); + + if (!FS.isMountpoint(lookup.node)) { + throw new FS.ErrnoError(28); + } + + + var node = lookup.node; + var mount = node.mounted; + var mounts = FS.getMounts(mount); + + Object.keys(FS.nameTable).forEach((hash) => { + var current = FS.nameTable[hash]; + + while (current) { + var next = current.name_next; + + if (mounts.includes(current.mount)) { + FS.destroyNode(current); + } + + current = next; + } + }); + + + node.mounted = null; + + + var idx = node.mount.mounts.indexOf(mount); + node.mount.mounts.splice(idx, 1); + },lookup:(parent, name) => { + return parent.node_ops.lookup(parent, name); + },mknod:(path, mode, dev) => { + var lookup = FS.lookupPath(path, { parent: true }); + var parent = lookup.node; + var name = PATH.basename(path); + if (!name || name === '.' || name === '..') { + throw new FS.ErrnoError(28); + } + var errCode = FS.mayCreate(parent, name); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.mknod) { + throw new FS.ErrnoError(63); + } + return parent.node_ops.mknod(parent, name, mode, dev); + },create:(path, mode) => { + mode = mode !== undefined ? mode : 438 ; + mode &= 4095; + mode |= 32768; + return FS.mknod(path, mode, 0); + },mkdir:(path, mode) => { + mode = mode !== undefined ? mode : 511 ; + mode &= 511 | 512; + mode |= 16384; + return FS.mknod(path, mode, 0); + },mkdirTree:(path, mode) => { + var dirs = path.split('/'); + var d = ''; + for (var i = 0; i < dirs.length; ++i) { + if (!dirs[i]) continue; + d += '/' + dirs[i]; + try { + FS.mkdir(d, mode); + } catch(e) { + if (e.errno != 20) throw e; + } + } + },mkdev:(path, mode, dev) => { + if (typeof dev == 'undefined') { + dev = mode; + mode = 438 ; + } + mode |= 8192; + return FS.mknod(path, mode, dev); + },symlink:(oldpath, newpath) => { + if (!PATH_FS.resolve(oldpath)) { + throw new FS.ErrnoError(44); + } + var lookup = FS.lookupPath(newpath, { parent: true }); + var parent = lookup.node; + if (!parent) { + throw new FS.ErrnoError(44); + } + var newname = PATH.basename(newpath); + var errCode = FS.mayCreate(parent, newname); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.symlink) { + throw new FS.ErrnoError(63); + } + return parent.node_ops.symlink(parent, newname, oldpath); + },rename:(old_path, new_path) => { + var old_dirname = PATH.dirname(old_path); + var new_dirname = PATH.dirname(new_path); + var old_name = PATH.basename(old_path); + var new_name = PATH.basename(new_path); + + var lookup, old_dir, new_dir; + + + lookup = FS.lookupPath(old_path, { parent: true }); + old_dir = lookup.node; + lookup = FS.lookupPath(new_path, { parent: true }); + new_dir = lookup.node; + + if (!old_dir || !new_dir) throw new FS.ErrnoError(44); + + if (old_dir.mount !== new_dir.mount) { + throw new FS.ErrnoError(75); + } + + var old_node = FS.lookupNode(old_dir, old_name); + + var relative = PATH_FS.relative(old_path, new_dirname); + if (relative.charAt(0) !== '.') { + throw new FS.ErrnoError(28); + } + + relative = PATH_FS.relative(new_path, old_dirname); + if (relative.charAt(0) !== '.') { + throw new FS.ErrnoError(55); + } + + var new_node; + try { + new_node = FS.lookupNode(new_dir, new_name); + } catch (e) { + + } + + if (old_node === new_node) { + return; + } + + var isdir = FS.isDir(old_node.mode); + var errCode = FS.mayDelete(old_dir, old_name, isdir); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + + + errCode = new_node ? + FS.mayDelete(new_dir, new_name, isdir) : + FS.mayCreate(new_dir, new_name); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!old_dir.node_ops.rename) { + throw new FS.ErrnoError(63); + } + if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) { + throw new FS.ErrnoError(10); + } + + if (new_dir !== old_dir) { + errCode = FS.nodePermissions(old_dir, 'w'); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + } + + FS.hashRemoveNode(old_node); + + try { + old_dir.node_ops.rename(old_node, new_dir, new_name); + } catch (e) { + throw e; + } finally { + + + FS.hashAddNode(old_node); + } + },rmdir:(path) => { + var lookup = FS.lookupPath(path, { parent: true }); + var parent = lookup.node; + var name = PATH.basename(path); + var node = FS.lookupNode(parent, name); + var errCode = FS.mayDelete(parent, name, true); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.rmdir) { + throw new FS.ErrnoError(63); + } + if (FS.isMountpoint(node)) { + throw new FS.ErrnoError(10); + } + parent.node_ops.rmdir(parent, name); + FS.destroyNode(node); + },readdir:(path) => { + var lookup = FS.lookupPath(path, { follow: true }); + var node = lookup.node; + if (!node.node_ops.readdir) { + throw new FS.ErrnoError(54); + } + return node.node_ops.readdir(node); + },unlink:(path) => { + var lookup = FS.lookupPath(path, { parent: true }); + var parent = lookup.node; + if (!parent) { + throw new FS.ErrnoError(44); + } + var name = PATH.basename(path); + var node = FS.lookupNode(parent, name); + var errCode = FS.mayDelete(parent, name, false); + if (errCode) { + + + + throw new FS.ErrnoError(errCode); + } + if (!parent.node_ops.unlink) { + throw new FS.ErrnoError(63); + } + if (FS.isMountpoint(node)) { + throw new FS.ErrnoError(10); + } + parent.node_ops.unlink(parent, name); + FS.destroyNode(node); + },readlink:(path) => { + var lookup = FS.lookupPath(path); + var link = lookup.node; + if (!link) { + throw new FS.ErrnoError(44); + } + if (!link.node_ops.readlink) { + throw new FS.ErrnoError(28); + } + return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link)); + },stat:(path, dontFollow) => { + var lookup = FS.lookupPath(path, { follow: !dontFollow }); + var node = lookup.node; + if (!node) { + throw new FS.ErrnoError(44); + } + if (!node.node_ops.getattr) { + throw new FS.ErrnoError(63); + } + return node.node_ops.getattr(node); + },lstat:(path) => { + return FS.stat(path, true); + },chmod:(path, mode, dontFollow) => { + var node; + if (typeof path == 'string') { + var lookup = FS.lookupPath(path, { follow: !dontFollow }); + node = lookup.node; + } else { + node = path; + } + if (!node.node_ops.setattr) { + throw new FS.ErrnoError(63); + } + node.node_ops.setattr(node, { + mode: (mode & 4095) | (node.mode & ~4095), + timestamp: Date.now() + }); + },lchmod:(path, mode) => { + FS.chmod(path, mode, true); + },fchmod:(fd, mode) => { + var stream = FS.getStream(fd); + if (!stream) { + throw new FS.ErrnoError(8); + } + FS.chmod(stream.node, mode); + },chown:(path, uid, gid, dontFollow) => { + var node; + if (typeof path == 'string') { + var lookup = FS.lookupPath(path, { follow: !dontFollow }); + node = lookup.node; + } else { + node = path; + } + if (!node.node_ops.setattr) { + throw new FS.ErrnoError(63); + } + node.node_ops.setattr(node, { + timestamp: Date.now() + + }); + },lchown:(path, uid, gid) => { + FS.chown(path, uid, gid, true); + },fchown:(fd, uid, gid) => { + var stream = FS.getStream(fd); + if (!stream) { + throw new FS.ErrnoError(8); + } + FS.chown(stream.node, uid, gid); + },truncate:(path, len) => { + if (len < 0) { + throw new FS.ErrnoError(28); + } + var node; + if (typeof path == 'string') { + var lookup = FS.lookupPath(path, { follow: true }); + node = lookup.node; + } else { + node = path; + } + if (!node.node_ops.setattr) { + throw new FS.ErrnoError(63); + } + if (FS.isDir(node.mode)) { + throw new FS.ErrnoError(31); + } + if (!FS.isFile(node.mode)) { + throw new FS.ErrnoError(28); + } + var errCode = FS.nodePermissions(node, 'w'); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + node.node_ops.setattr(node, { + size: len, + timestamp: Date.now() + }); + },ftruncate:(fd, len) => { + var stream = FS.getStream(fd); + if (!stream) { + throw new FS.ErrnoError(8); + } + if ((stream.flags & 2097155) === 0) { + throw new FS.ErrnoError(28); + } + FS.truncate(stream.node, len); + },utime:(path, atime, mtime) => { + var lookup = FS.lookupPath(path, { follow: true }); + var node = lookup.node; + node.node_ops.setattr(node, { + timestamp: Math.max(atime, mtime) + }); + },open:(path, flags, mode) => { + if (path === "") { + throw new FS.ErrnoError(44); + } + flags = typeof flags == 'string' ? FS.modeStringToFlags(flags) : flags; + mode = typeof mode == 'undefined' ? 438 : mode; + if ((flags & 64)) { + mode = (mode & 4095) | 32768; + } else { + mode = 0; + } + var node; + if (typeof path == 'object') { + node = path; + } else { + path = PATH.normalize(path); + try { + var lookup = FS.lookupPath(path, { + follow: !(flags & 131072) + }); + node = lookup.node; + } catch (e) { + + } + } + + var created = false; + if ((flags & 64)) { + if (node) { + + if ((flags & 128)) { + throw new FS.ErrnoError(20); + } + } else { + + node = FS.mknod(path, mode, 0); + created = true; + } + } + if (!node) { + throw new FS.ErrnoError(44); + } + + if (FS.isChrdev(node.mode)) { + flags &= ~512; + } + + if ((flags & 65536) && !FS.isDir(node.mode)) { + throw new FS.ErrnoError(54); + } + + + + if (!created) { + var errCode = FS.mayOpen(node, flags); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + } + + if ((flags & 512) && !created) { + FS.truncate(node, 0); + } + + flags &= ~(128 | 512 | 131072); + + + var stream = FS.createStream({ + node: node, + path: FS.getPath(node), + flags: flags, + seekable: true, + position: 0, + stream_ops: node.stream_ops, + + ungotten: [], + error: false + }); + + if (stream.stream_ops.open) { + stream.stream_ops.open(stream); + } + if (Module['logReadFiles'] && !(flags & 1)) { + if (!FS.readFiles) FS.readFiles = {}; + if (!(path in FS.readFiles)) { + FS.readFiles[path] = 1; + } + } + return stream; + },close:(stream) => { + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if (stream.getdents) stream.getdents = null; + try { + if (stream.stream_ops.close) { + stream.stream_ops.close(stream); + } + } catch (e) { + throw e; + } finally { + FS.closeStream(stream.fd); + } + stream.fd = null; + },isClosed:(stream) => { + return stream.fd === null; + },llseek:(stream, offset, whence) => { + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if (!stream.seekable || !stream.stream_ops.llseek) { + throw new FS.ErrnoError(70); + } + if (whence != 0 && whence != 1 && whence != 2) { + throw new FS.ErrnoError(28); + } + stream.position = stream.stream_ops.llseek(stream, offset, whence); + stream.ungotten = []; + return stream.position; + },read:(stream, buffer, offset, length, position) => { + if (length < 0 || position < 0) { + throw new FS.ErrnoError(28); + } + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if ((stream.flags & 2097155) === 1) { + throw new FS.ErrnoError(8); + } + if (FS.isDir(stream.node.mode)) { + throw new FS.ErrnoError(31); + } + if (!stream.stream_ops.read) { + throw new FS.ErrnoError(28); + } + var seeking = typeof position != 'undefined'; + if (!seeking) { + position = stream.position; + } else if (!stream.seekable) { + throw new FS.ErrnoError(70); + } + var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position); + if (!seeking) stream.position += bytesRead; + return bytesRead; + },write:(stream, buffer, offset, length, position, canOwn) => { + if (length < 0 || position < 0) { + throw new FS.ErrnoError(28); + } + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if ((stream.flags & 2097155) === 0) { + throw new FS.ErrnoError(8); + } + if (FS.isDir(stream.node.mode)) { + throw new FS.ErrnoError(31); + } + if (!stream.stream_ops.write) { + throw new FS.ErrnoError(28); + } + if (stream.seekable && stream.flags & 1024) { + + FS.llseek(stream, 0, 2); + } + var seeking = typeof position != 'undefined'; + if (!seeking) { + position = stream.position; + } else if (!stream.seekable) { + throw new FS.ErrnoError(70); + } + var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); + if (!seeking) stream.position += bytesWritten; + return bytesWritten; + },allocate:(stream, offset, length) => { + if (FS.isClosed(stream)) { + throw new FS.ErrnoError(8); + } + if (offset < 0 || length <= 0) { + throw new FS.ErrnoError(28); + } + if ((stream.flags & 2097155) === 0) { + throw new FS.ErrnoError(8); + } + if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) { + throw new FS.ErrnoError(43); + } + if (!stream.stream_ops.allocate) { + throw new FS.ErrnoError(138); + } + stream.stream_ops.allocate(stream, offset, length); + },mmap:(stream, length, position, prot, flags) => { + + + + + + + if ((prot & 2) !== 0 + && (flags & 2) === 0 + && (stream.flags & 2097155) !== 2) { + throw new FS.ErrnoError(2); + } + if ((stream.flags & 2097155) === 1) { + throw new FS.ErrnoError(2); + } + if (!stream.stream_ops.mmap) { + throw new FS.ErrnoError(43); + } + return stream.stream_ops.mmap(stream, length, position, prot, flags); + },msync:(stream, buffer, offset, length, mmapFlags) => { + if (!stream.stream_ops.msync) { + return 0; + } + return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags); + },munmap:(stream) => 0,ioctl:(stream, cmd, arg) => { + if (!stream.stream_ops.ioctl) { + throw new FS.ErrnoError(59); + } + return stream.stream_ops.ioctl(stream, cmd, arg); + },readFile:(path, opts = {}) => { + opts.flags = opts.flags || 0; + opts.encoding = opts.encoding || 'binary'; + if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') { + throw new Error('Invalid encoding type "' + opts.encoding + '"'); + } + var ret; + var stream = FS.open(path, opts.flags); + var stat = FS.stat(path); + var length = stat.size; + var buf = new Uint8Array(length); + FS.read(stream, buf, 0, length, 0); + if (opts.encoding === 'utf8') { + ret = UTF8ArrayToString(buf, 0); + } else if (opts.encoding === 'binary') { + ret = buf; + } + FS.close(stream); + return ret; + },writeFile:(path, data, opts = {}) => { + opts.flags = opts.flags || 577; + var stream = FS.open(path, opts.flags, opts.mode); + if (typeof data == 'string') { + var buf = new Uint8Array(lengthBytesUTF8(data)+1); + var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length); + FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn); + } else if (ArrayBuffer.isView(data)) { + FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn); + } else { + throw new Error('Unsupported data type'); + } + FS.close(stream); + },cwd:() => FS.currentPath,chdir:(path) => { + var lookup = FS.lookupPath(path, { follow: true }); + if (lookup.node === null) { + throw new FS.ErrnoError(44); + } + if (!FS.isDir(lookup.node.mode)) { + throw new FS.ErrnoError(54); + } + var errCode = FS.nodePermissions(lookup.node, 'x'); + if (errCode) { + throw new FS.ErrnoError(errCode); + } + FS.currentPath = lookup.path; + },createDefaultDirectories:() => { + FS.mkdir('/tmp'); + FS.mkdir('/home'); + FS.mkdir('/home/web_user'); + },createDefaultDevices:() => { + + FS.mkdir('/dev'); + + FS.registerDevice(FS.makedev(1, 3), { + read: () => 0, + write: (stream, buffer, offset, length, pos) => length, + }); + FS.mkdev('/dev/null', FS.makedev(1, 3)); + + + + TTY.register(FS.makedev(5, 0), TTY.default_tty_ops); + TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops); + FS.mkdev('/dev/tty', FS.makedev(5, 0)); + FS.mkdev('/dev/tty1', FS.makedev(6, 0)); + + var random_device = getRandomDevice(); + FS.createDevice('/dev', 'random', random_device); + FS.createDevice('/dev', 'urandom', random_device); + + + FS.mkdir('/dev/shm'); + FS.mkdir('/dev/shm/tmp'); + },createSpecialDirectories:() => { + + + FS.mkdir('/proc'); + var proc_self = FS.mkdir('/proc/self'); + FS.mkdir('/proc/self/fd'); + FS.mount({ + mount: () => { + var node = FS.createNode(proc_self, 'fd', 16384 | 511 , 73); + node.node_ops = { + lookup: (parent, name) => { + var fd = +name; + var stream = FS.getStream(fd); + if (!stream) throw new FS.ErrnoError(8); + var ret = { + parent: null, + mount: { mountpoint: 'fake' }, + node_ops: { readlink: () => stream.path }, + }; + ret.parent = ret; + return ret; + } + }; + return node; + } + }, {}, '/proc/self/fd'); + },createStandardStreams:() => { + + + + + + + + + if (Module['stdin']) { + FS.createDevice('/dev', 'stdin', Module['stdin']); + } else { + FS.symlink('/dev/tty', '/dev/stdin'); + } + if (Module['stdout']) { + FS.createDevice('/dev', 'stdout', null, Module['stdout']); + } else { + FS.symlink('/dev/tty', '/dev/stdout'); + } + if (Module['stderr']) { + FS.createDevice('/dev', 'stderr', null, Module['stderr']); + } else { + FS.symlink('/dev/tty1', '/dev/stderr'); + } + + + var stdin = FS.open('/dev/stdin', 0); + var stdout = FS.open('/dev/stdout', 1); + var stderr = FS.open('/dev/stderr', 1); + },ensureErrnoError:() => { + if (FS.ErrnoError) return; + FS.ErrnoError = function ErrnoError(errno, node) { + this.node = node; + this.setErrno = function(errno) { + this.errno = errno; + }; + this.setErrno(errno); + this.message = 'FS error'; + + }; + FS.ErrnoError.prototype = new Error(); + FS.ErrnoError.prototype.constructor = FS.ErrnoError; + + [44].forEach((code) => { + FS.genericErrors[code] = new FS.ErrnoError(code); + FS.genericErrors[code].stack = ''; + }); + },staticInit:() => { + FS.ensureErrnoError(); + + FS.nameTable = new Array(4096); + + FS.mount(MEMFS, {}, '/'); + + FS.createDefaultDirectories(); + FS.createDefaultDevices(); + FS.createSpecialDirectories(); + + FS.filesystems = { + 'MEMFS': MEMFS, + }; + },init:(input, output, error) => { + FS.init.initialized = true; + + FS.ensureErrnoError(); + + + Module['stdin'] = input || Module['stdin']; + Module['stdout'] = output || Module['stdout']; + Module['stderr'] = error || Module['stderr']; + + FS.createStandardStreams(); + },quit:() => { + FS.init.initialized = false; + + + for (var i = 0; i < FS.streams.length; i++) { + var stream = FS.streams[i]; + if (!stream) { + continue; + } + FS.close(stream); + } + },getMode:(canRead, canWrite) => { + var mode = 0; + if (canRead) mode |= 292 | 73; + if (canWrite) mode |= 146; + return mode; + },findObject:(path, dontResolveLastLink) => { + var ret = FS.analyzePath(path, dontResolveLastLink); + if (!ret.exists) { + return null; + } + return ret.object; + },analyzePath:(path, dontResolveLastLink) => { + + try { + var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); + path = lookup.path; + } catch (e) { + } + var ret = { + isRoot: false, exists: false, error: 0, name: null, path: null, object: null, + parentExists: false, parentPath: null, parentObject: null + }; + try { + var lookup = FS.lookupPath(path, { parent: true }); + ret.parentExists = true; + ret.parentPath = lookup.path; + ret.parentObject = lookup.node; + ret.name = PATH.basename(path); + lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); + ret.exists = true; + ret.path = lookup.path; + ret.object = lookup.node; + ret.name = lookup.node.name; + ret.isRoot = lookup.path === '/'; + } catch (e) { + ret.error = e.errno; + }; + return ret; + },createPath:(parent, path, canRead, canWrite) => { + parent = typeof parent == 'string' ? parent : FS.getPath(parent); + var parts = path.split('/').reverse(); + while (parts.length) { + var part = parts.pop(); + if (!part) continue; + var current = PATH.join2(parent, part); + try { + FS.mkdir(current); + } catch (e) { + + } + parent = current; + } + return current; + },createFile:(parent, name, properties, canRead, canWrite) => { + var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); + var mode = FS.getMode(canRead, canWrite); + return FS.create(path, mode); + },createDataFile:(parent, name, data, canRead, canWrite, canOwn) => { + var path = name; + if (parent) { + parent = typeof parent == 'string' ? parent : FS.getPath(parent); + path = name ? PATH.join2(parent, name) : parent; + } + var mode = FS.getMode(canRead, canWrite); + var node = FS.create(path, mode); + if (data) { + if (typeof data == 'string') { + var arr = new Array(data.length); + for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i); + data = arr; + } + + FS.chmod(node, mode | 146); + var stream = FS.open(node, 577); + FS.write(stream, data, 0, data.length, 0, canOwn); + FS.close(stream); + FS.chmod(node, mode); + } + return node; + },createDevice:(parent, name, input, output) => { + var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); + var mode = FS.getMode(!!input, !!output); + if (!FS.createDevice.major) FS.createDevice.major = 64; + var dev = FS.makedev(FS.createDevice.major++, 0); + + + FS.registerDevice(dev, { + open: (stream) => { + stream.seekable = false; + }, + close: (stream) => { + + if (output && output.buffer && output.buffer.length) { + output(10); + } + }, + read: (stream, buffer, offset, length, pos ) => { + var bytesRead = 0; + for (var i = 0; i < length; i++) { + var result; + try { + result = input(); + } catch (e) { + throw new FS.ErrnoError(29); + } + if (result === undefined && bytesRead === 0) { + throw new FS.ErrnoError(6); + } + if (result === null || result === undefined) break; + bytesRead++; + buffer[offset+i] = result; + } + if (bytesRead) { + stream.node.timestamp = Date.now(); + } + return bytesRead; + }, + write: (stream, buffer, offset, length, pos) => { + for (var i = 0; i < length; i++) { + try { + output(buffer[offset+i]); + } catch (e) { + throw new FS.ErrnoError(29); + } + } + if (length) { + stream.node.timestamp = Date.now(); + } + return i; + } + }); + return FS.mkdev(path, mode, dev); + },forceLoadFile:(obj) => { + if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true; + if (typeof XMLHttpRequest != 'undefined') { + throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread."); + } else if (read_) { + + try { + + + obj.contents = intArrayFromString(read_(obj.url), true); + obj.usedBytes = obj.contents.length; + } catch (e) { + throw new FS.ErrnoError(29); + } + } else { + throw new Error('Cannot load without read() or XMLHttpRequest.'); + } + },createLazyFile:(parent, name, url, canRead, canWrite) => { + + + function LazyUint8Array() { + this.lengthKnown = false; + this.chunks = []; + } + LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) { + if (idx > this.length-1 || idx < 0) { + return undefined; + } + var chunkOffset = idx % this.chunkSize; + var chunkNum = (idx / this.chunkSize)|0; + return this.getter(chunkNum)[chunkOffset]; + }; + LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) { + this.getter = getter; + }; + LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() { + + var xhr = new XMLHttpRequest(); + xhr.open('HEAD', url, false); + xhr.send(null); + if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); + var datalength = Number(xhr.getResponseHeader("Content-length")); + var header; + var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes"; + var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip"; + + var chunkSize = 1024*1024; + + if (!hasByteServing) chunkSize = datalength; + + + var doXHR = (from, to) => { + if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!"); + if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!"); + + + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, false); + if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to); + + + xhr.responseType = 'arraybuffer'; + if (xhr.overrideMimeType) { + xhr.overrideMimeType('text/plain; charset=x-user-defined'); + } + + xhr.send(null); + if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); + if (xhr.response !== undefined) { + return new Uint8Array((xhr.response || [])); + } + return intArrayFromString(xhr.responseText || '', true); + }; + var lazyArray = this; + lazyArray.setDataGetter((chunkNum) => { + var start = chunkNum * chunkSize; + var end = (chunkNum+1) * chunkSize - 1; + end = Math.min(end, datalength-1); + if (typeof lazyArray.chunks[chunkNum] == 'undefined') { + lazyArray.chunks[chunkNum] = doXHR(start, end); + } + if (typeof lazyArray.chunks[chunkNum] == 'undefined') throw new Error('doXHR failed!'); + return lazyArray.chunks[chunkNum]; + }); + + if (usesGzip || !datalength) { + + chunkSize = datalength = 1; + datalength = this.getter(0).length; + chunkSize = datalength; + out("LazyFiles on gzip forces download of the whole file when length is accessed"); + } + + this._length = datalength; + this._chunkSize = chunkSize; + this.lengthKnown = true; + }; + if (typeof XMLHttpRequest != 'undefined') { + if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc'; + var lazyArray = new LazyUint8Array(); + Object.defineProperties(lazyArray, { + length: { + get: function() { + if (!this.lengthKnown) { + this.cacheLength(); + } + return this._length; + } + }, + chunkSize: { + get: function() { + if (!this.lengthKnown) { + this.cacheLength(); + } + return this._chunkSize; + } + } + }); + + var properties = { isDevice: false, contents: lazyArray }; + } else { + var properties = { isDevice: false, url: url }; + } + + var node = FS.createFile(parent, name, properties, canRead, canWrite); + + + + if (properties.contents) { + node.contents = properties.contents; + } else if (properties.url) { + node.contents = null; + node.url = properties.url; + } + + Object.defineProperties(node, { + usedBytes: { + get: function() { return this.contents.length; } + } + }); + + var stream_ops = {}; + var keys = Object.keys(node.stream_ops); + keys.forEach((key) => { + var fn = node.stream_ops[key]; + stream_ops[key] = function forceLoadLazyFile() { + FS.forceLoadFile(node); + return fn.apply(null, arguments); + }; + }); + function writeChunks(stream, buffer, offset, length, position) { + var contents = stream.node.contents; + if (position >= contents.length) + return 0; + var size = Math.min(contents.length - position, length); + if (contents.slice) { + for (var i = 0; i < size; i++) { + buffer[offset + i] = contents[position + i]; + } + } else { + for (var i = 0; i < size; i++) { + buffer[offset + i] = contents.get(position + i); + } + } + return size; + } + + stream_ops.read = (stream, buffer, offset, length, position) => { + FS.forceLoadFile(node); + return writeChunks(stream, buffer, offset, length, position) + }; + + stream_ops.mmap = (stream, length, position, prot, flags) => { + FS.forceLoadFile(node); + var ptr = mmapAlloc(length); + if (!ptr) { + throw new FS.ErrnoError(48); + } + writeChunks(stream, HEAP8, ptr, length, position); + return { ptr: ptr, allocated: true }; + }; + node.stream_ops = stream_ops; + return node; + },createPreloadedFile:(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { + + + var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent; + var dep = getUniqueRunDependency('cp ' + fullname); + function processData(byteArray) { + function finish(byteArray) { + if (preFinish) preFinish(); + if (!dontCreateFile) { + FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); + } + if (onload) onload(); + removeRunDependency(dep); + } + if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => { + if (onerror) onerror(); + removeRunDependency(dep); + })) { + return; + } + finish(byteArray); + } + addRunDependency(dep); + if (typeof url == 'string') { + asyncLoad(url, (byteArray) => processData(byteArray), onerror); + } else { + processData(url); + } + },indexedDB:() => { + return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; + },DB_NAME:() => { + return 'EM_FS_' + window.location.pathname; + },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths, onload, onerror) => { + onload = onload || (() => {}); + onerror = onerror || (() => {}); + var indexedDB = FS.indexedDB(); + try { + var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); + } catch (e) { + return onerror(e); + } + openRequest.onupgradeneeded = () => { + out('creating db'); + var db = openRequest.result; + db.createObjectStore(FS.DB_STORE_NAME); + }; + openRequest.onsuccess = () => { + var db = openRequest.result; + var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite'); + var files = transaction.objectStore(FS.DB_STORE_NAME); + var ok = 0, fail = 0, total = paths.length; + function finish() { + if (fail == 0) onload(); else onerror(); + } + paths.forEach((path) => { + var putRequest = files.put(FS.analyzePath(path).object.contents, path); + putRequest.onsuccess = () => { ok++; if (ok + fail == total) finish() }; + putRequest.onerror = () => { fail++; if (ok + fail == total) finish() }; + }); + transaction.onerror = onerror; + }; + openRequest.onerror = onerror; + },loadFilesFromDB:(paths, onload, onerror) => { + onload = onload || (() => {}); + onerror = onerror || (() => {}); + var indexedDB = FS.indexedDB(); + try { + var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); + } catch (e) { + return onerror(e); + } + openRequest.onupgradeneeded = onerror; + openRequest.onsuccess = () => { + var db = openRequest.result; + try { + var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly'); + } catch(e) { + onerror(e); + return; + } + var files = transaction.objectStore(FS.DB_STORE_NAME); + var ok = 0, fail = 0, total = paths.length; + function finish() { + if (fail == 0) onload(); else onerror(); + } + paths.forEach((path) => { + var getRequest = files.get(path); + getRequest.onsuccess = () => { + if (FS.analyzePath(path).exists) { + FS.unlink(path); + } + FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true); + ok++; + if (ok + fail == total) finish(); + }; + getRequest.onerror = () => { fail++; if (ok + fail == total) finish() }; + }); + transaction.onerror = onerror; + }; + openRequest.onerror = onerror; + }}; + var SYSCALLS = {DEFAULT_POLLMASK:5,calculateAt:function(dirfd, path, allowEmpty) { + if (PATH.isAbs(path)) { + return path; + } + + var dir; + if (dirfd === -100) { + dir = FS.cwd(); + } else { + var dirstream = SYSCALLS.getStreamFromFD(dirfd); + dir = dirstream.path; + } + if (path.length == 0) { + if (!allowEmpty) { + throw new FS.ErrnoError(44);; + } + return dir; + } + return PATH.join2(dir, path); + },doStat:function(func, path, buf) { + try { + var stat = func(path); + } catch (e) { + if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) { + + return -54; + } + throw e; + } + HEAP32[((buf)>>2)] = stat.dev; + HEAP32[(((buf)+(8))>>2)] = stat.ino; + HEAP32[(((buf)+(12))>>2)] = stat.mode; + HEAPU32[(((buf)+(16))>>2)] = stat.nlink; + HEAP32[(((buf)+(20))>>2)] = stat.uid; + HEAP32[(((buf)+(24))>>2)] = stat.gid; + HEAP32[(((buf)+(28))>>2)] = stat.rdev; + (tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]); + HEAP32[(((buf)+(48))>>2)] = 4096; + HEAP32[(((buf)+(52))>>2)] = stat.blocks; + var atime = stat.atime.getTime(); + var mtime = stat.mtime.getTime(); + var ctime = stat.ctime.getTime(); + (tempI64 = [Math.floor(atime / 1000)>>>0,(tempDouble=Math.floor(atime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(56))>>2)] = tempI64[0],HEAP32[(((buf)+(60))>>2)] = tempI64[1]); + HEAPU32[(((buf)+(64))>>2)] = (atime % 1000) * 1000; + (tempI64 = [Math.floor(mtime / 1000)>>>0,(tempDouble=Math.floor(mtime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(72))>>2)] = tempI64[0],HEAP32[(((buf)+(76))>>2)] = tempI64[1]); + HEAPU32[(((buf)+(80))>>2)] = (mtime % 1000) * 1000; + (tempI64 = [Math.floor(ctime / 1000)>>>0,(tempDouble=Math.floor(ctime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]); + HEAPU32[(((buf)+(96))>>2)] = (ctime % 1000) * 1000; + (tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(104))>>2)] = tempI64[0],HEAP32[(((buf)+(108))>>2)] = tempI64[1]); + return 0; + },doMsync:function(addr, stream, len, flags, offset) { + if (!FS.isFile(stream.node.mode)) { + throw new FS.ErrnoError(43); + } + if (flags & 2) { + + return 0; + } + var buffer = HEAPU8.slice(addr, addr + len); + FS.msync(stream, buffer, offset, len, flags); + },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; + },getStreamFromFD:function(fd) { + var stream = FS.getStream(fd); + if (!stream) throw new FS.ErrnoError(8); + return stream; + }}; + function ___syscall_chmod(path, mode) { + try { + + path = SYSCALLS.getStr(path); + FS.chmod(path, mode); + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_faccessat(dirfd, path, amode, flags) { + try { + + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + if (amode & ~7) { + + return -28; + } + var lookup = FS.lookupPath(path, { follow: true }); + var node = lookup.node; + if (!node) { + return -44; + } + var perms = ''; + if (amode & 4) perms += 'r'; + if (amode & 2) perms += 'w'; + if (amode & 1) perms += 'x'; + if (perms && FS.nodePermissions(node, perms)) { + return -2; + } + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_fchmod(fd, mode) { + try { + + FS.fchmod(fd, mode); + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_fchown32(fd, owner, group) { + try { + + FS.fchown(fd, owner, group); + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function setErrNo(value) { + HEAP32[((___errno_location())>>2)] = value; + return value; + } + + function ___syscall_fcntl64(fd, cmd, varargs) { + SYSCALLS.varargs = varargs; + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + switch (cmd) { + case 0: { + var arg = SYSCALLS.get(); + if (arg < 0) { + return -28; + } + var newStream; + newStream = FS.createStream(stream, arg); + return newStream.fd; + } + case 1: + case 2: + return 0; + case 3: + return stream.flags; + case 4: { + var arg = SYSCALLS.get(); + stream.flags |= arg; + return 0; + } + case 5: + { + + var arg = SYSCALLS.get(); + var offset = 0; + + HEAP16[(((arg)+(offset))>>1)] = 2; + return 0; + } + case 6: + case 7: + + + + + return 0; + case 16: + case 8: + return -28; + case 9: + + setErrNo(28); + return -1; + default: { + return -28; + } + } + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_fstat64(fd, buf) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + return SYSCALLS.doStat(FS.stat, stream.path, buf); + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + var MAX_INT53 = 9007199254740992; + + var MIN_INT53 = -9007199254740992; + function bigintToI53Checked(num) { + return (num < MIN_INT53 || num > MAX_INT53) ? NaN : Number(num); + } + + + + + function ___syscall_ftruncate64(fd, length) { + try { + + length = bigintToI53Checked(length); if (isNaN(length)) return -61; + FS.ftruncate(fd, length); + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_getcwd(buf, size) { + try { + + if (size === 0) return -28; + var cwd = FS.cwd(); + var cwdLengthInBytes = lengthBytesUTF8(cwd) + 1; + if (size < cwdLengthInBytes) return -68; + stringToUTF8(cwd, buf, size); + return cwdLengthInBytes; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_ioctl(fd, op, varargs) { + SYSCALLS.varargs = varargs; + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + switch (op) { + case 21509: + case 21505: { + if (!stream.tty) return -59; + return 0; + } + case 21510: + case 21511: + case 21512: + case 21506: + case 21507: + case 21508: { + if (!stream.tty) return -59; + return 0; + } + case 21519: { + if (!stream.tty) return -59; + var argp = SYSCALLS.get(); + HEAP32[((argp)>>2)] = 0; + return 0; + } + case 21520: { + if (!stream.tty) return -59; + return -28; + } + case 21531: { + var argp = SYSCALLS.get(); + return FS.ioctl(stream, op, argp); + } + case 21523: { + + + if (!stream.tty) return -59; + return 0; + } + case 21524: { + + + + if (!stream.tty) return -59; + return 0; + } + default: return -28; + } + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_lstat64(path, buf) { + try { + + path = SYSCALLS.getStr(path); + return SYSCALLS.doStat(FS.lstat, path, buf); + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_mkdirat(dirfd, path, mode) { + try { + + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + + + path = PATH.normalize(path); + if (path[path.length-1] === '/') path = path.substr(0, path.length-1); + FS.mkdir(path, mode, 0); + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_newfstatat(dirfd, path, buf, flags) { + try { + + path = SYSCALLS.getStr(path); + var nofollow = flags & 256; + var allowEmpty = flags & 4096; + flags = flags & (~6400); + path = SYSCALLS.calculateAt(dirfd, path, allowEmpty); + return SYSCALLS.doStat(nofollow ? FS.lstat : FS.stat, path, buf); + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_openat(dirfd, path, flags, varargs) { + SYSCALLS.varargs = varargs; + try { + + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + var mode = varargs ? SYSCALLS.get() : 0; + return FS.open(path, flags, mode).fd; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_readlinkat(dirfd, path, buf, bufsize) { + try { + + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + if (bufsize <= 0) return -28; + var ret = FS.readlink(path); + + var len = Math.min(bufsize, lengthBytesUTF8(ret)); + var endChar = HEAP8[buf+len]; + stringToUTF8(ret, buf, bufsize+1); + + + HEAP8[buf+len] = endChar; + return len; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_rmdir(path) { + try { + + path = SYSCALLS.getStr(path); + FS.rmdir(path); + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_stat64(path, buf) { + try { + + path = SYSCALLS.getStr(path); + return SYSCALLS.doStat(FS.stat, path, buf); + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function ___syscall_unlinkat(dirfd, path, flags) { + try { + + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path); + if (flags === 0) { + FS.unlink(path); + } else if (flags === 512) { + FS.rmdir(path); + } else { + abort('Invalid flags passed to unlinkat'); + } + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function readI53FromI64(ptr) { + return HEAPU32[ptr>>2] + HEAP32[ptr+4>>2] * 4294967296; + } + + function ___syscall_utimensat(dirfd, path, times, flags) { + try { + + path = SYSCALLS.getStr(path); + path = SYSCALLS.calculateAt(dirfd, path, true); + if (!times) { + var atime = Date.now(); + var mtime = atime; + } else { + var seconds = readI53FromI64(times); + var nanoseconds = HEAP32[(((times)+(8))>>2)]; + atime = (seconds*1000) + (nanoseconds/(1000*1000)); + times += 16; + seconds = readI53FromI64(times); + nanoseconds = HEAP32[(((times)+(8))>>2)]; + mtime = (seconds*1000) + (nanoseconds/(1000*1000)); + } + FS.utime(path, atime, mtime); + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + var nowIsMonotonic = true;; + function __emscripten_get_now_is_monotonic() { + return nowIsMonotonic; + } + + + function __isLeapYear(year) { + return year%4 === 0 && (year%100 !== 0 || year%400 === 0); + } + + var __MONTH_DAYS_LEAP_CUMULATIVE = [0,31,60,91,121,152,182,213,244,274,305,335]; + + var __MONTH_DAYS_REGULAR_CUMULATIVE = [0,31,59,90,120,151,181,212,243,273,304,334]; + function __yday_from_date(date) { + var isLeapYear = __isLeapYear(date.getFullYear()); + var monthDaysCumulative = (isLeapYear ? __MONTH_DAYS_LEAP_CUMULATIVE : __MONTH_DAYS_REGULAR_CUMULATIVE); + var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1; + + return yday; + } + function __localtime_js(time, tmPtr) { + var date = new Date(readI53FromI64(time)*1000); + HEAP32[((tmPtr)>>2)] = date.getSeconds(); + HEAP32[(((tmPtr)+(4))>>2)] = date.getMinutes(); + HEAP32[(((tmPtr)+(8))>>2)] = date.getHours(); + HEAP32[(((tmPtr)+(12))>>2)] = date.getDate(); + HEAP32[(((tmPtr)+(16))>>2)] = date.getMonth(); + HEAP32[(((tmPtr)+(20))>>2)] = date.getFullYear()-1900; + HEAP32[(((tmPtr)+(24))>>2)] = date.getDay(); + + var yday = __yday_from_date(date)|0; + HEAP32[(((tmPtr)+(28))>>2)] = yday; + HEAP32[(((tmPtr)+(36))>>2)] = -(date.getTimezoneOffset() * 60); + + + var start = new Date(date.getFullYear(), 0, 1); + var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset(); + var winterOffset = start.getTimezoneOffset(); + var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset))|0; + HEAP32[(((tmPtr)+(32))>>2)] = dst; + } + + + + function __mmap_js(len, prot, flags, fd, off, allocated, addr) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + var res = FS.mmap(stream, len, off, prot, flags); + var ptr = res.ptr; + HEAP32[((allocated)>>2)] = res.allocated; + HEAPU32[((addr)>>2)] = ptr; + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + + + function __munmap_js(addr, len, prot, flags, fd, offset) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + if (prot & 2) { + SYSCALLS.doMsync(addr, stream, len, flags, offset); + } + FS.munmap(stream); + + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return -e.errno; + } + } + + function allocateUTF8(str) { + var size = lengthBytesUTF8(str) + 1; + var ret = _malloc(size); + if (ret) stringToUTF8Array(str, HEAP8, ret, size); + return ret; + } + function __tzset_js(timezone, daylight, tzname) { + + var currentYear = new Date().getFullYear(); + var winter = new Date(currentYear, 0, 1); + var summer = new Date(currentYear, 6, 1); + var winterOffset = winter.getTimezoneOffset(); + var summerOffset = summer.getTimezoneOffset(); + + + + + var stdTimezoneOffset = Math.max(winterOffset, summerOffset); + + + + + + + HEAPU32[((timezone)>>2)] = stdTimezoneOffset * 60; + + HEAP32[((daylight)>>2)] = Number(winterOffset != summerOffset); + + function extractZone(date) { + var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/); + return match ? match[1] : "GMT"; + }; + var winterName = extractZone(winter); + var summerName = extractZone(summer); + var winterNamePtr = allocateUTF8(winterName); + var summerNamePtr = allocateUTF8(summerName); + if (summerOffset < winterOffset) { + + HEAPU32[((tzname)>>2)] = winterNamePtr; + HEAPU32[(((tzname)+(4))>>2)] = summerNamePtr; + } else { + HEAPU32[((tzname)>>2)] = summerNamePtr; + HEAPU32[(((tzname)+(4))>>2)] = winterNamePtr; + } + } + + function _emscripten_date_now() { + return Date.now(); + } + + var _emscripten_get_now;_emscripten_get_now = () => performance.now(); + ; + + function getHeapMax() { + + + + + return 2147483648; + } + + function emscripten_realloc_buffer(size) { + var b = wasmMemory.buffer; + try { + + wasmMemory.grow((size - b.byteLength + 65535) >>> 16); + updateMemoryViews(); + return 1 ; + } catch(e) { + } + + + } + function _emscripten_resize_heap(requestedSize) { + var oldSize = HEAPU8.length; + requestedSize = requestedSize >>> 0; + + + + + + + + + + + + + + + + + + + + + + + var maxHeapSize = getHeapMax(); + if (requestedSize > maxHeapSize) { + return false; + } + + let alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple; + + + + + for (var cutDown = 1; cutDown <= 4; cutDown *= 2) { + var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); + + overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 ); + + var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536)); + + var replacement = emscripten_realloc_buffer(newSize); + if (replacement) { + + return true; + } + } + return false; + } + + var ENV = {}; + + function getExecutableName() { + return thisProgram || './this.program'; + } + function getEnvStrings() { + if (!getEnvStrings.strings) { + + + var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8'; + var env = { + 'USER': 'web_user', + 'LOGNAME': 'web_user', + 'PATH': '/', + 'PWD': '/', + 'HOME': '/home/web_user', + 'LANG': lang, + '_': getExecutableName() + }; + + for (var x in ENV) { + + + + if (ENV[x] === undefined) delete env[x]; + else env[x] = ENV[x]; + } + var strings = []; + for (var x in env) { + strings.push(x + '=' + env[x]); + } + getEnvStrings.strings = strings; + } + return getEnvStrings.strings; + } + + + function writeAsciiToMemory(str, buffer, dontAddNull) { + for (var i = 0; i < str.length; ++i) { + HEAP8[((buffer++)>>0)] = str.charCodeAt(i); + } + + if (!dontAddNull) HEAP8[((buffer)>>0)] = 0; + } + + function _environ_get(__environ, environ_buf) { + var bufSize = 0; + getEnvStrings().forEach(function(string, i) { + var ptr = environ_buf + bufSize; + HEAPU32[(((__environ)+(i*4))>>2)] = ptr; + writeAsciiToMemory(string, ptr); + bufSize += string.length + 1; + }); + return 0; + } + + + function _environ_sizes_get(penviron_count, penviron_buf_size) { + var strings = getEnvStrings(); + HEAPU32[((penviron_count)>>2)] = strings.length; + var bufSize = 0; + strings.forEach(function(string) { + bufSize += string.length + 1; + }); + HEAPU32[((penviron_buf_size)>>2)] = bufSize; + return 0; + } + + function _fd_close(fd) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + FS.close(stream); + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + function _fd_fdstat_get(fd, pbuf) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + + + var type = stream.tty ? 2 : + FS.isDir(stream.mode) ? 3 : + FS.isLink(stream.mode) ? 7 : + 4; + HEAP8[((pbuf)>>0)] = type; + + + + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + + function doReadv(stream, iov, iovcnt, offset) { + var ret = 0; + for (var i = 0; i < iovcnt; i++) { + var ptr = HEAPU32[((iov)>>2)]; + var len = HEAPU32[(((iov)+(4))>>2)]; + iov += 8; + var curr = FS.read(stream, HEAP8,ptr, len, offset); + if (curr < 0) return -1; + ret += curr; + if (curr < len) break; + if (typeof offset !== 'undefined') { + offset += curr; + } + } + return ret; + } + + function _fd_read(fd, iov, iovcnt, pnum) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + var num = doReadv(stream, iov, iovcnt); + HEAPU32[((pnum)>>2)] = num; + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + + + + + function _fd_seek(fd, offset, whence, newOffset) { + try { + + offset = bigintToI53Checked(offset); if (isNaN(offset)) return 61; + var stream = SYSCALLS.getStreamFromFD(fd); + FS.llseek(stream, offset, whence); + (tempI64 = [stream.position>>>0,(tempDouble=stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]); + if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + function _fd_sync(fd) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + if (stream.stream_ops && stream.stream_ops.fsync) { + return stream.stream_ops.fsync(stream); + } + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + + function doWritev(stream, iov, iovcnt, offset) { + var ret = 0; + for (var i = 0; i < iovcnt; i++) { + var ptr = HEAPU32[((iov)>>2)]; + var len = HEAPU32[(((iov)+(4))>>2)]; + iov += 8; + var curr = FS.write(stream, HEAP8,ptr, len, offset); + if (curr < 0) return -1; + ret += curr; + if (typeof offset !== 'undefined') { + offset += curr; + } + } + return ret; + } + + function _fd_write(fd, iov, iovcnt, pnum) { + try { + + var stream = SYSCALLS.getStreamFromFD(fd); + var num = doWritev(stream, iov, iovcnt); + HEAPU32[((pnum)>>2)] = num; + return 0; + } catch (e) { + if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; + return e.errno; + } + } + + var FSNode = function(parent, name, mode, rdev) { + if (!parent) { + parent = this; + } + this.parent = parent; + this.mount = parent.mount; + this.mounted = null; + this.id = FS.nextInode++; + this.name = name; + this.mode = mode; + this.node_ops = {}; + this.stream_ops = {}; + this.rdev = rdev; + }; + var readMode = 292 | 73; + var writeMode = 146; + Object.defineProperties(FSNode.prototype, { + read: { + get: function() { + return (this.mode & readMode) === readMode; + }, + set: function(val) { + val ? this.mode |= readMode : this.mode &= ~readMode; + } + }, + write: { + get: function() { + return (this.mode & writeMode) === writeMode; + }, + set: function(val) { + val ? this.mode |= writeMode : this.mode &= ~writeMode; + } + }, + isFolder: { + get: function() { + return FS.isDir(this.mode); + } + }, + isDevice: { + get: function() { + return FS.isChrdev(this.mode); + } + } + }); + FS.FSNode = FSNode; + FS.staticInit();; +var ASSERTIONS = false; + +var asmLibraryArg = { + "__syscall_chmod": ___syscall_chmod, + "__syscall_faccessat": ___syscall_faccessat, + "__syscall_fchmod": ___syscall_fchmod, + "__syscall_fchown32": ___syscall_fchown32, + "__syscall_fcntl64": ___syscall_fcntl64, + "__syscall_fstat64": ___syscall_fstat64, + "__syscall_ftruncate64": ___syscall_ftruncate64, + "__syscall_getcwd": ___syscall_getcwd, + "__syscall_ioctl": ___syscall_ioctl, + "__syscall_lstat64": ___syscall_lstat64, + "__syscall_mkdirat": ___syscall_mkdirat, + "__syscall_newfstatat": ___syscall_newfstatat, + "__syscall_openat": ___syscall_openat, + "__syscall_readlinkat": ___syscall_readlinkat, + "__syscall_rmdir": ___syscall_rmdir, + "__syscall_stat64": ___syscall_stat64, + "__syscall_unlinkat": ___syscall_unlinkat, + "__syscall_utimensat": ___syscall_utimensat, + "_emscripten_get_now_is_monotonic": __emscripten_get_now_is_monotonic, + "_localtime_js": __localtime_js, + "_mmap_js": __mmap_js, + "_munmap_js": __munmap_js, + "_tzset_js": __tzset_js, + "emscripten_date_now": _emscripten_date_now, + "emscripten_get_now": _emscripten_get_now, + "emscripten_resize_heap": _emscripten_resize_heap, + "environ_get": _environ_get, + "environ_sizes_get": _environ_sizes_get, + "fd_close": _fd_close, + "fd_fdstat_get": _fd_fdstat_get, + "fd_read": _fd_read, + "fd_seek": _fd_seek, + "fd_sync": _fd_sync, + "fd_write": _fd_write, + "memory": wasmMemory +}; +var asm = createWasm(); + +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); +}; + + +var _sqlite3_status64 = Module["_sqlite3_status64"] = function() { + return (_sqlite3_status64 = Module["_sqlite3_status64"] = Module["asm"]["sqlite3_status64"]).apply(null, arguments); +}; + + +var _sqlite3_status = Module["_sqlite3_status"] = function() { + return (_sqlite3_status = Module["_sqlite3_status"] = Module["asm"]["sqlite3_status"]).apply(null, arguments); +}; + + +var _sqlite3_db_status = Module["_sqlite3_db_status"] = function() { + return (_sqlite3_db_status = Module["_sqlite3_db_status"] = Module["asm"]["sqlite3_db_status"]).apply(null, arguments); +}; + + +var _sqlite3_msize = Module["_sqlite3_msize"] = function() { + return (_sqlite3_msize = Module["_sqlite3_msize"] = Module["asm"]["sqlite3_msize"]).apply(null, arguments); +}; + + +var _sqlite3_vfs_find = Module["_sqlite3_vfs_find"] = function() { + return (_sqlite3_vfs_find = Module["_sqlite3_vfs_find"] = Module["asm"]["sqlite3_vfs_find"]).apply(null, arguments); +}; + + +var _sqlite3_initialize = Module["_sqlite3_initialize"] = function() { + return (_sqlite3_initialize = Module["_sqlite3_initialize"] = Module["asm"]["sqlite3_initialize"]).apply(null, arguments); +}; + + +var _sqlite3_malloc = Module["_sqlite3_malloc"] = function() { + return (_sqlite3_malloc = Module["_sqlite3_malloc"] = Module["asm"]["sqlite3_malloc"]).apply(null, arguments); +}; + + +var _sqlite3_free = Module["_sqlite3_free"] = function() { + return (_sqlite3_free = Module["_sqlite3_free"] = Module["asm"]["sqlite3_free"]).apply(null, arguments); +}; + + +var _sqlite3_vfs_register = Module["_sqlite3_vfs_register"] = function() { + return (_sqlite3_vfs_register = Module["_sqlite3_vfs_register"] = Module["asm"]["sqlite3_vfs_register"]).apply(null, arguments); +}; + + +var _sqlite3_vfs_unregister = Module["_sqlite3_vfs_unregister"] = function() { + return (_sqlite3_vfs_unregister = Module["_sqlite3_vfs_unregister"] = Module["asm"]["sqlite3_vfs_unregister"]).apply(null, arguments); +}; + + +var _sqlite3_malloc64 = Module["_sqlite3_malloc64"] = function() { + return (_sqlite3_malloc64 = Module["_sqlite3_malloc64"] = Module["asm"]["sqlite3_malloc64"]).apply(null, arguments); +}; + + +var _sqlite3_realloc = Module["_sqlite3_realloc"] = function() { + return (_sqlite3_realloc = Module["_sqlite3_realloc"] = Module["asm"]["sqlite3_realloc"]).apply(null, arguments); +}; + + +var _sqlite3_realloc64 = Module["_sqlite3_realloc64"] = function() { + return (_sqlite3_realloc64 = Module["_sqlite3_realloc64"] = Module["asm"]["sqlite3_realloc64"]).apply(null, arguments); +}; + + +var _sqlite3_value_text = Module["_sqlite3_value_text"] = function() { + return (_sqlite3_value_text = Module["_sqlite3_value_text"] = Module["asm"]["sqlite3_value_text"]).apply(null, arguments); +}; + + +var _sqlite3_randomness = Module["_sqlite3_randomness"] = function() { + return (_sqlite3_randomness = Module["_sqlite3_randomness"] = Module["asm"]["sqlite3_randomness"]).apply(null, arguments); +}; + + +var _sqlite3_stricmp = Module["_sqlite3_stricmp"] = function() { + return (_sqlite3_stricmp = Module["_sqlite3_stricmp"] = Module["asm"]["sqlite3_stricmp"]).apply(null, arguments); +}; + + +var _sqlite3_strnicmp = Module["_sqlite3_strnicmp"] = function() { + return (_sqlite3_strnicmp = Module["_sqlite3_strnicmp"] = Module["asm"]["sqlite3_strnicmp"]).apply(null, arguments); +}; + + +var _sqlite3_uri_parameter = Module["_sqlite3_uri_parameter"] = function() { + return (_sqlite3_uri_parameter = Module["_sqlite3_uri_parameter"] = Module["asm"]["sqlite3_uri_parameter"]).apply(null, arguments); +}; + + +var ___errno_location = Module["___errno_location"] = function() { + return (___errno_location = Module["___errno_location"] = Module["asm"]["__errno_location"]).apply(null, arguments); +}; + + +var _sqlite3_uri_boolean = Module["_sqlite3_uri_boolean"] = function() { + return (_sqlite3_uri_boolean = Module["_sqlite3_uri_boolean"] = Module["asm"]["sqlite3_uri_boolean"]).apply(null, arguments); +}; + + +var _sqlite3_serialize = Module["_sqlite3_serialize"] = function() { + return (_sqlite3_serialize = Module["_sqlite3_serialize"] = Module["asm"]["sqlite3_serialize"]).apply(null, arguments); +}; + + +var _sqlite3_prepare_v2 = Module["_sqlite3_prepare_v2"] = function() { + return (_sqlite3_prepare_v2 = Module["_sqlite3_prepare_v2"] = Module["asm"]["sqlite3_prepare_v2"]).apply(null, arguments); +}; + + +var _sqlite3_step = Module["_sqlite3_step"] = function() { + return (_sqlite3_step = Module["_sqlite3_step"] = Module["asm"]["sqlite3_step"]).apply(null, arguments); +}; + + +var _sqlite3_column_int64 = Module["_sqlite3_column_int64"] = function() { + return (_sqlite3_column_int64 = Module["_sqlite3_column_int64"] = Module["asm"]["sqlite3_column_int64"]).apply(null, arguments); +}; + + +var _sqlite3_column_int = Module["_sqlite3_column_int"] = function() { + return (_sqlite3_column_int = Module["_sqlite3_column_int"] = Module["asm"]["sqlite3_column_int"]).apply(null, arguments); +}; + + +var _sqlite3_finalize = Module["_sqlite3_finalize"] = function() { + return (_sqlite3_finalize = Module["_sqlite3_finalize"] = Module["asm"]["sqlite3_finalize"]).apply(null, arguments); +}; + + +var _sqlite3_file_control = Module["_sqlite3_file_control"] = function() { + return (_sqlite3_file_control = Module["_sqlite3_file_control"] = Module["asm"]["sqlite3_file_control"]).apply(null, arguments); +}; + + +var _sqlite3_reset = Module["_sqlite3_reset"] = function() { + return (_sqlite3_reset = Module["_sqlite3_reset"] = Module["asm"]["sqlite3_reset"]).apply(null, arguments); +}; + + +var _sqlite3_deserialize = Module["_sqlite3_deserialize"] = function() { + return (_sqlite3_deserialize = Module["_sqlite3_deserialize"] = Module["asm"]["sqlite3_deserialize"]).apply(null, arguments); +}; + + +var _sqlite3_clear_bindings = Module["_sqlite3_clear_bindings"] = function() { + return (_sqlite3_clear_bindings = Module["_sqlite3_clear_bindings"] = Module["asm"]["sqlite3_clear_bindings"]).apply(null, arguments); +}; + + +var _sqlite3_value_blob = Module["_sqlite3_value_blob"] = function() { + return (_sqlite3_value_blob = Module["_sqlite3_value_blob"] = Module["asm"]["sqlite3_value_blob"]).apply(null, arguments); +}; + + +var _sqlite3_value_bytes = Module["_sqlite3_value_bytes"] = function() { + return (_sqlite3_value_bytes = Module["_sqlite3_value_bytes"] = Module["asm"]["sqlite3_value_bytes"]).apply(null, arguments); +}; + + +var _sqlite3_value_double = Module["_sqlite3_value_double"] = function() { + return (_sqlite3_value_double = Module["_sqlite3_value_double"] = Module["asm"]["sqlite3_value_double"]).apply(null, arguments); +}; + + +var _sqlite3_value_int = Module["_sqlite3_value_int"] = function() { + return (_sqlite3_value_int = Module["_sqlite3_value_int"] = Module["asm"]["sqlite3_value_int"]).apply(null, arguments); +}; + + +var _sqlite3_value_int64 = Module["_sqlite3_value_int64"] = function() { + return (_sqlite3_value_int64 = Module["_sqlite3_value_int64"] = Module["asm"]["sqlite3_value_int64"]).apply(null, arguments); +}; + + +var _sqlite3_value_subtype = Module["_sqlite3_value_subtype"] = function() { + return (_sqlite3_value_subtype = Module["_sqlite3_value_subtype"] = Module["asm"]["sqlite3_value_subtype"]).apply(null, arguments); +}; + + +var _sqlite3_value_pointer = Module["_sqlite3_value_pointer"] = function() { + return (_sqlite3_value_pointer = Module["_sqlite3_value_pointer"] = Module["asm"]["sqlite3_value_pointer"]).apply(null, arguments); +}; + + +var _sqlite3_value_type = Module["_sqlite3_value_type"] = function() { + return (_sqlite3_value_type = Module["_sqlite3_value_type"] = Module["asm"]["sqlite3_value_type"]).apply(null, arguments); +}; + + +var _sqlite3_value_nochange = Module["_sqlite3_value_nochange"] = function() { + return (_sqlite3_value_nochange = Module["_sqlite3_value_nochange"] = Module["asm"]["sqlite3_value_nochange"]).apply(null, arguments); +}; + + +var _sqlite3_value_frombind = Module["_sqlite3_value_frombind"] = function() { + return (_sqlite3_value_frombind = Module["_sqlite3_value_frombind"] = Module["asm"]["sqlite3_value_frombind"]).apply(null, arguments); +}; + + +var _sqlite3_value_dup = Module["_sqlite3_value_dup"] = function() { + return (_sqlite3_value_dup = Module["_sqlite3_value_dup"] = Module["asm"]["sqlite3_value_dup"]).apply(null, arguments); +}; + + +var _sqlite3_value_free = Module["_sqlite3_value_free"] = function() { + return (_sqlite3_value_free = Module["_sqlite3_value_free"] = Module["asm"]["sqlite3_value_free"]).apply(null, arguments); +}; + + +var _sqlite3_result_blob = Module["_sqlite3_result_blob"] = function() { + return (_sqlite3_result_blob = Module["_sqlite3_result_blob"] = Module["asm"]["sqlite3_result_blob"]).apply(null, arguments); +}; + + +var _sqlite3_result_error_toobig = Module["_sqlite3_result_error_toobig"] = function() { + return (_sqlite3_result_error_toobig = Module["_sqlite3_result_error_toobig"] = Module["asm"]["sqlite3_result_error_toobig"]).apply(null, arguments); +}; + + +var _sqlite3_result_error_nomem = Module["_sqlite3_result_error_nomem"] = function() { + return (_sqlite3_result_error_nomem = Module["_sqlite3_result_error_nomem"] = Module["asm"]["sqlite3_result_error_nomem"]).apply(null, arguments); +}; + + +var _sqlite3_result_double = Module["_sqlite3_result_double"] = function() { + return (_sqlite3_result_double = Module["_sqlite3_result_double"] = Module["asm"]["sqlite3_result_double"]).apply(null, arguments); +}; + + +var _sqlite3_result_error = Module["_sqlite3_result_error"] = function() { + return (_sqlite3_result_error = Module["_sqlite3_result_error"] = Module["asm"]["sqlite3_result_error"]).apply(null, arguments); +}; + + +var _sqlite3_result_int = Module["_sqlite3_result_int"] = function() { + return (_sqlite3_result_int = Module["_sqlite3_result_int"] = Module["asm"]["sqlite3_result_int"]).apply(null, arguments); +}; + + +var _sqlite3_result_int64 = Module["_sqlite3_result_int64"] = function() { + return (_sqlite3_result_int64 = Module["_sqlite3_result_int64"] = Module["asm"]["sqlite3_result_int64"]).apply(null, arguments); +}; + + +var _sqlite3_result_null = Module["_sqlite3_result_null"] = function() { + return (_sqlite3_result_null = Module["_sqlite3_result_null"] = Module["asm"]["sqlite3_result_null"]).apply(null, arguments); +}; + + +var _sqlite3_result_pointer = Module["_sqlite3_result_pointer"] = function() { + return (_sqlite3_result_pointer = Module["_sqlite3_result_pointer"] = Module["asm"]["sqlite3_result_pointer"]).apply(null, arguments); +}; + + +var _sqlite3_result_subtype = Module["_sqlite3_result_subtype"] = function() { + return (_sqlite3_result_subtype = Module["_sqlite3_result_subtype"] = Module["asm"]["sqlite3_result_subtype"]).apply(null, arguments); +}; + + +var _sqlite3_result_text = Module["_sqlite3_result_text"] = function() { + return (_sqlite3_result_text = Module["_sqlite3_result_text"] = Module["asm"]["sqlite3_result_text"]).apply(null, arguments); +}; + + +var _sqlite3_result_zeroblob = Module["_sqlite3_result_zeroblob"] = function() { + return (_sqlite3_result_zeroblob = Module["_sqlite3_result_zeroblob"] = Module["asm"]["sqlite3_result_zeroblob"]).apply(null, arguments); +}; + + +var _sqlite3_result_zeroblob64 = Module["_sqlite3_result_zeroblob64"] = function() { + return (_sqlite3_result_zeroblob64 = Module["_sqlite3_result_zeroblob64"] = Module["asm"]["sqlite3_result_zeroblob64"]).apply(null, arguments); +}; + + +var _sqlite3_result_error_code = Module["_sqlite3_result_error_code"] = function() { + return (_sqlite3_result_error_code = Module["_sqlite3_result_error_code"] = Module["asm"]["sqlite3_result_error_code"]).apply(null, arguments); +}; + + +var _sqlite3_user_data = Module["_sqlite3_user_data"] = function() { + return (_sqlite3_user_data = Module["_sqlite3_user_data"] = Module["asm"]["sqlite3_user_data"]).apply(null, arguments); +}; + + +var _sqlite3_context_db_handle = Module["_sqlite3_context_db_handle"] = function() { + return (_sqlite3_context_db_handle = Module["_sqlite3_context_db_handle"] = Module["asm"]["sqlite3_context_db_handle"]).apply(null, arguments); +}; + + +var _sqlite3_vtab_nochange = Module["_sqlite3_vtab_nochange"] = function() { + return (_sqlite3_vtab_nochange = Module["_sqlite3_vtab_nochange"] = Module["asm"]["sqlite3_vtab_nochange"]).apply(null, arguments); +}; + + +var _sqlite3_vtab_in_first = Module["_sqlite3_vtab_in_first"] = function() { + return (_sqlite3_vtab_in_first = Module["_sqlite3_vtab_in_first"] = Module["asm"]["sqlite3_vtab_in_first"]).apply(null, arguments); +}; + + +var _sqlite3_vtab_in_next = Module["_sqlite3_vtab_in_next"] = function() { + return (_sqlite3_vtab_in_next = Module["_sqlite3_vtab_in_next"] = Module["asm"]["sqlite3_vtab_in_next"]).apply(null, arguments); +}; + + +var _sqlite3_aggregate_context = Module["_sqlite3_aggregate_context"] = function() { + return (_sqlite3_aggregate_context = Module["_sqlite3_aggregate_context"] = Module["asm"]["sqlite3_aggregate_context"]).apply(null, arguments); +}; + + +var _sqlite3_get_auxdata = Module["_sqlite3_get_auxdata"] = function() { + return (_sqlite3_get_auxdata = Module["_sqlite3_get_auxdata"] = Module["asm"]["sqlite3_get_auxdata"]).apply(null, arguments); +}; + + +var _sqlite3_set_auxdata = Module["_sqlite3_set_auxdata"] = function() { + return (_sqlite3_set_auxdata = Module["_sqlite3_set_auxdata"] = Module["asm"]["sqlite3_set_auxdata"]).apply(null, arguments); +}; + + +var _sqlite3_column_count = Module["_sqlite3_column_count"] = function() { + return (_sqlite3_column_count = Module["_sqlite3_column_count"] = Module["asm"]["sqlite3_column_count"]).apply(null, arguments); +}; + + +var _sqlite3_data_count = Module["_sqlite3_data_count"] = function() { + return (_sqlite3_data_count = Module["_sqlite3_data_count"] = Module["asm"]["sqlite3_data_count"]).apply(null, arguments); +}; + + +var _sqlite3_column_blob = Module["_sqlite3_column_blob"] = function() { + return (_sqlite3_column_blob = Module["_sqlite3_column_blob"] = Module["asm"]["sqlite3_column_blob"]).apply(null, arguments); +}; + + +var _sqlite3_column_bytes = Module["_sqlite3_column_bytes"] = function() { + return (_sqlite3_column_bytes = Module["_sqlite3_column_bytes"] = Module["asm"]["sqlite3_column_bytes"]).apply(null, arguments); +}; + + +var _sqlite3_column_double = Module["_sqlite3_column_double"] = function() { + return (_sqlite3_column_double = Module["_sqlite3_column_double"] = Module["asm"]["sqlite3_column_double"]).apply(null, arguments); +}; + + +var _sqlite3_column_text = Module["_sqlite3_column_text"] = function() { + return (_sqlite3_column_text = Module["_sqlite3_column_text"] = Module["asm"]["sqlite3_column_text"]).apply(null, arguments); +}; + + +var _sqlite3_column_value = Module["_sqlite3_column_value"] = function() { + return (_sqlite3_column_value = Module["_sqlite3_column_value"] = Module["asm"]["sqlite3_column_value"]).apply(null, arguments); +}; + + +var _sqlite3_column_type = Module["_sqlite3_column_type"] = function() { + return (_sqlite3_column_type = Module["_sqlite3_column_type"] = Module["asm"]["sqlite3_column_type"]).apply(null, arguments); +}; + + +var _sqlite3_column_name = Module["_sqlite3_column_name"] = function() { + return (_sqlite3_column_name = Module["_sqlite3_column_name"] = Module["asm"]["sqlite3_column_name"]).apply(null, arguments); +}; + + +var _sqlite3_bind_blob = Module["_sqlite3_bind_blob"] = function() { + return (_sqlite3_bind_blob = Module["_sqlite3_bind_blob"] = Module["asm"]["sqlite3_bind_blob"]).apply(null, arguments); +}; + + +var _sqlite3_bind_double = Module["_sqlite3_bind_double"] = function() { + return (_sqlite3_bind_double = Module["_sqlite3_bind_double"] = Module["asm"]["sqlite3_bind_double"]).apply(null, arguments); +}; + + +var _sqlite3_bind_int = Module["_sqlite3_bind_int"] = function() { + return (_sqlite3_bind_int = Module["_sqlite3_bind_int"] = Module["asm"]["sqlite3_bind_int"]).apply(null, arguments); +}; + + +var _sqlite3_bind_int64 = Module["_sqlite3_bind_int64"] = function() { + return (_sqlite3_bind_int64 = Module["_sqlite3_bind_int64"] = Module["asm"]["sqlite3_bind_int64"]).apply(null, arguments); +}; + + +var _sqlite3_bind_null = Module["_sqlite3_bind_null"] = function() { + return (_sqlite3_bind_null = Module["_sqlite3_bind_null"] = Module["asm"]["sqlite3_bind_null"]).apply(null, arguments); +}; + + +var _sqlite3_bind_pointer = Module["_sqlite3_bind_pointer"] = function() { + return (_sqlite3_bind_pointer = Module["_sqlite3_bind_pointer"] = Module["asm"]["sqlite3_bind_pointer"]).apply(null, arguments); +}; + + +var _sqlite3_bind_text = Module["_sqlite3_bind_text"] = function() { + return (_sqlite3_bind_text = Module["_sqlite3_bind_text"] = Module["asm"]["sqlite3_bind_text"]).apply(null, arguments); +}; + + +var _sqlite3_bind_parameter_count = Module["_sqlite3_bind_parameter_count"] = function() { + return (_sqlite3_bind_parameter_count = Module["_sqlite3_bind_parameter_count"] = Module["asm"]["sqlite3_bind_parameter_count"]).apply(null, arguments); +}; + + +var _sqlite3_bind_parameter_index = Module["_sqlite3_bind_parameter_index"] = function() { + return (_sqlite3_bind_parameter_index = Module["_sqlite3_bind_parameter_index"] = Module["asm"]["sqlite3_bind_parameter_index"]).apply(null, arguments); +}; + + +var _sqlite3_db_handle = Module["_sqlite3_db_handle"] = function() { + return (_sqlite3_db_handle = Module["_sqlite3_db_handle"] = Module["asm"]["sqlite3_db_handle"]).apply(null, arguments); +}; + + +var _sqlite3_stmt_readonly = Module["_sqlite3_stmt_readonly"] = function() { + return (_sqlite3_stmt_readonly = Module["_sqlite3_stmt_readonly"] = Module["asm"]["sqlite3_stmt_readonly"]).apply(null, arguments); +}; + + +var _sqlite3_stmt_isexplain = Module["_sqlite3_stmt_isexplain"] = function() { + return (_sqlite3_stmt_isexplain = Module["_sqlite3_stmt_isexplain"] = Module["asm"]["sqlite3_stmt_isexplain"]).apply(null, arguments); +}; + + +var _sqlite3_stmt_status = Module["_sqlite3_stmt_status"] = function() { + return (_sqlite3_stmt_status = Module["_sqlite3_stmt_status"] = Module["asm"]["sqlite3_stmt_status"]).apply(null, arguments); +}; + + +var _sqlite3_sql = Module["_sqlite3_sql"] = function() { + return (_sqlite3_sql = Module["_sqlite3_sql"] = Module["asm"]["sqlite3_sql"]).apply(null, arguments); +}; + + +var _sqlite3_expanded_sql = Module["_sqlite3_expanded_sql"] = function() { + return (_sqlite3_expanded_sql = Module["_sqlite3_expanded_sql"] = Module["asm"]["sqlite3_expanded_sql"]).apply(null, arguments); +}; + + +var _sqlite3_preupdate_old = Module["_sqlite3_preupdate_old"] = function() { + return (_sqlite3_preupdate_old = Module["_sqlite3_preupdate_old"] = Module["asm"]["sqlite3_preupdate_old"]).apply(null, arguments); +}; + + +var _sqlite3_preupdate_count = Module["_sqlite3_preupdate_count"] = function() { + return (_sqlite3_preupdate_count = Module["_sqlite3_preupdate_count"] = Module["asm"]["sqlite3_preupdate_count"]).apply(null, arguments); +}; + + +var _sqlite3_preupdate_depth = Module["_sqlite3_preupdate_depth"] = function() { + return (_sqlite3_preupdate_depth = Module["_sqlite3_preupdate_depth"] = Module["asm"]["sqlite3_preupdate_depth"]).apply(null, arguments); +}; + + +var _sqlite3_preupdate_blobwrite = Module["_sqlite3_preupdate_blobwrite"] = function() { + return (_sqlite3_preupdate_blobwrite = Module["_sqlite3_preupdate_blobwrite"] = Module["asm"]["sqlite3_preupdate_blobwrite"]).apply(null, arguments); +}; + + +var _sqlite3_preupdate_new = Module["_sqlite3_preupdate_new"] = function() { + return (_sqlite3_preupdate_new = Module["_sqlite3_preupdate_new"] = Module["asm"]["sqlite3_preupdate_new"]).apply(null, arguments); +}; + + +var _sqlite3_value_numeric_type = Module["_sqlite3_value_numeric_type"] = function() { + return (_sqlite3_value_numeric_type = Module["_sqlite3_value_numeric_type"] = Module["asm"]["sqlite3_value_numeric_type"]).apply(null, arguments); +}; + + +var _sqlite3_errmsg = Module["_sqlite3_errmsg"] = function() { + return (_sqlite3_errmsg = Module["_sqlite3_errmsg"] = Module["asm"]["sqlite3_errmsg"]).apply(null, arguments); +}; + + +var _sqlite3_set_authorizer = Module["_sqlite3_set_authorizer"] = function() { + return (_sqlite3_set_authorizer = Module["_sqlite3_set_authorizer"] = Module["asm"]["sqlite3_set_authorizer"]).apply(null, arguments); +}; + + +var _sqlite3_strglob = Module["_sqlite3_strglob"] = function() { + return (_sqlite3_strglob = Module["_sqlite3_strglob"] = Module["asm"]["sqlite3_strglob"]).apply(null, arguments); +}; + + +var _sqlite3_strlike = Module["_sqlite3_strlike"] = function() { + return (_sqlite3_strlike = Module["_sqlite3_strlike"] = Module["asm"]["sqlite3_strlike"]).apply(null, arguments); +}; + + +var _sqlite3_exec = Module["_sqlite3_exec"] = function() { + return (_sqlite3_exec = Module["_sqlite3_exec"] = Module["asm"]["sqlite3_exec"]).apply(null, arguments); +}; + + +var _sqlite3_auto_extension = Module["_sqlite3_auto_extension"] = function() { + return (_sqlite3_auto_extension = Module["_sqlite3_auto_extension"] = Module["asm"]["sqlite3_auto_extension"]).apply(null, arguments); +}; + + +var _sqlite3_cancel_auto_extension = Module["_sqlite3_cancel_auto_extension"] = function() { + return (_sqlite3_cancel_auto_extension = Module["_sqlite3_cancel_auto_extension"] = Module["asm"]["sqlite3_cancel_auto_extension"]).apply(null, arguments); +}; + + +var _sqlite3_reset_auto_extension = Module["_sqlite3_reset_auto_extension"] = function() { + return (_sqlite3_reset_auto_extension = Module["_sqlite3_reset_auto_extension"] = Module["asm"]["sqlite3_reset_auto_extension"]).apply(null, arguments); +}; + + +var _sqlite3_prepare_v3 = Module["_sqlite3_prepare_v3"] = function() { + return (_sqlite3_prepare_v3 = Module["_sqlite3_prepare_v3"] = Module["asm"]["sqlite3_prepare_v3"]).apply(null, arguments); +}; + + +var _sqlite3_create_module = Module["_sqlite3_create_module"] = function() { + return (_sqlite3_create_module = Module["_sqlite3_create_module"] = Module["asm"]["sqlite3_create_module"]).apply(null, arguments); +}; + + +var _sqlite3_create_module_v2 = Module["_sqlite3_create_module_v2"] = function() { + return (_sqlite3_create_module_v2 = Module["_sqlite3_create_module_v2"] = Module["asm"]["sqlite3_create_module_v2"]).apply(null, arguments); +}; + + +var _sqlite3_drop_modules = Module["_sqlite3_drop_modules"] = function() { + return (_sqlite3_drop_modules = Module["_sqlite3_drop_modules"] = Module["asm"]["sqlite3_drop_modules"]).apply(null, arguments); +}; + + +var _sqlite3_declare_vtab = Module["_sqlite3_declare_vtab"] = function() { + return (_sqlite3_declare_vtab = Module["_sqlite3_declare_vtab"] = Module["asm"]["sqlite3_declare_vtab"]).apply(null, arguments); +}; + + +var _sqlite3_vtab_on_conflict = Module["_sqlite3_vtab_on_conflict"] = function() { + return (_sqlite3_vtab_on_conflict = Module["_sqlite3_vtab_on_conflict"] = Module["asm"]["sqlite3_vtab_on_conflict"]).apply(null, arguments); +}; + + +var _sqlite3_vtab_collation = Module["_sqlite3_vtab_collation"] = function() { + return (_sqlite3_vtab_collation = Module["_sqlite3_vtab_collation"] = Module["asm"]["sqlite3_vtab_collation"]).apply(null, arguments); +}; + + +var _sqlite3_vtab_in = Module["_sqlite3_vtab_in"] = function() { + return (_sqlite3_vtab_in = Module["_sqlite3_vtab_in"] = Module["asm"]["sqlite3_vtab_in"]).apply(null, arguments); +}; + + +var _sqlite3_vtab_rhs_value = Module["_sqlite3_vtab_rhs_value"] = function() { + return (_sqlite3_vtab_rhs_value = Module["_sqlite3_vtab_rhs_value"] = Module["asm"]["sqlite3_vtab_rhs_value"]).apply(null, arguments); +}; + + +var _sqlite3_vtab_distinct = Module["_sqlite3_vtab_distinct"] = function() { + return (_sqlite3_vtab_distinct = Module["_sqlite3_vtab_distinct"] = Module["asm"]["sqlite3_vtab_distinct"]).apply(null, arguments); +}; + + +var _sqlite3_keyword_name = Module["_sqlite3_keyword_name"] = function() { + return (_sqlite3_keyword_name = Module["_sqlite3_keyword_name"] = Module["asm"]["sqlite3_keyword_name"]).apply(null, arguments); +}; + + +var _sqlite3_keyword_count = Module["_sqlite3_keyword_count"] = function() { + return (_sqlite3_keyword_count = Module["_sqlite3_keyword_count"] = Module["asm"]["sqlite3_keyword_count"]).apply(null, arguments); +}; + + +var _sqlite3_keyword_check = Module["_sqlite3_keyword_check"] = function() { + return (_sqlite3_keyword_check = Module["_sqlite3_keyword_check"] = Module["asm"]["sqlite3_keyword_check"]).apply(null, arguments); +}; + + +var _sqlite3_complete = Module["_sqlite3_complete"] = function() { + return (_sqlite3_complete = Module["_sqlite3_complete"] = Module["asm"]["sqlite3_complete"]).apply(null, arguments); +}; + + +var _sqlite3_libversion = Module["_sqlite3_libversion"] = function() { + return (_sqlite3_libversion = Module["_sqlite3_libversion"] = Module["asm"]["sqlite3_libversion"]).apply(null, arguments); +}; + + +var _sqlite3_libversion_number = Module["_sqlite3_libversion_number"] = function() { + return (_sqlite3_libversion_number = Module["_sqlite3_libversion_number"] = Module["asm"]["sqlite3_libversion_number"]).apply(null, arguments); +}; + + +var _sqlite3_shutdown = Module["_sqlite3_shutdown"] = function() { + return (_sqlite3_shutdown = Module["_sqlite3_shutdown"] = Module["asm"]["sqlite3_shutdown"]).apply(null, arguments); +}; + + +var _sqlite3_last_insert_rowid = Module["_sqlite3_last_insert_rowid"] = function() { + return (_sqlite3_last_insert_rowid = Module["_sqlite3_last_insert_rowid"] = Module["asm"]["sqlite3_last_insert_rowid"]).apply(null, arguments); +}; + + +var _sqlite3_set_last_insert_rowid = Module["_sqlite3_set_last_insert_rowid"] = function() { + return (_sqlite3_set_last_insert_rowid = Module["_sqlite3_set_last_insert_rowid"] = Module["asm"]["sqlite3_set_last_insert_rowid"]).apply(null, arguments); +}; + + +var _sqlite3_changes64 = Module["_sqlite3_changes64"] = function() { + return (_sqlite3_changes64 = Module["_sqlite3_changes64"] = Module["asm"]["sqlite3_changes64"]).apply(null, arguments); +}; + + +var _sqlite3_changes = Module["_sqlite3_changes"] = function() { + return (_sqlite3_changes = Module["_sqlite3_changes"] = Module["asm"]["sqlite3_changes"]).apply(null, arguments); +}; + + +var _sqlite3_total_changes64 = Module["_sqlite3_total_changes64"] = function() { + return (_sqlite3_total_changes64 = Module["_sqlite3_total_changes64"] = Module["asm"]["sqlite3_total_changes64"]).apply(null, arguments); +}; + + +var _sqlite3_total_changes = Module["_sqlite3_total_changes"] = function() { + return (_sqlite3_total_changes = Module["_sqlite3_total_changes"] = Module["asm"]["sqlite3_total_changes"]).apply(null, arguments); +}; + + +var _sqlite3_txn_state = Module["_sqlite3_txn_state"] = function() { + return (_sqlite3_txn_state = Module["_sqlite3_txn_state"] = Module["asm"]["sqlite3_txn_state"]).apply(null, arguments); +}; + + +var _sqlite3_close_v2 = Module["_sqlite3_close_v2"] = function() { + return (_sqlite3_close_v2 = Module["_sqlite3_close_v2"] = Module["asm"]["sqlite3_close_v2"]).apply(null, arguments); +}; + + +var _sqlite3_busy_handler = Module["_sqlite3_busy_handler"] = function() { + return (_sqlite3_busy_handler = Module["_sqlite3_busy_handler"] = Module["asm"]["sqlite3_busy_handler"]).apply(null, arguments); +}; + + +var _sqlite3_progress_handler = Module["_sqlite3_progress_handler"] = function() { + return (_sqlite3_progress_handler = Module["_sqlite3_progress_handler"] = Module["asm"]["sqlite3_progress_handler"]).apply(null, arguments); +}; + + +var _sqlite3_busy_timeout = Module["_sqlite3_busy_timeout"] = function() { + return (_sqlite3_busy_timeout = Module["_sqlite3_busy_timeout"] = Module["asm"]["sqlite3_busy_timeout"]).apply(null, arguments); +}; + + +var _sqlite3_create_function = Module["_sqlite3_create_function"] = function() { + return (_sqlite3_create_function = Module["_sqlite3_create_function"] = Module["asm"]["sqlite3_create_function"]).apply(null, arguments); +}; + + +var _sqlite3_create_function_v2 = Module["_sqlite3_create_function_v2"] = function() { + return (_sqlite3_create_function_v2 = Module["_sqlite3_create_function_v2"] = Module["asm"]["sqlite3_create_function_v2"]).apply(null, arguments); +}; + + +var _sqlite3_create_window_function = Module["_sqlite3_create_window_function"] = function() { + return (_sqlite3_create_window_function = Module["_sqlite3_create_window_function"] = Module["asm"]["sqlite3_create_window_function"]).apply(null, arguments); +}; + + +var _sqlite3_overload_function = Module["_sqlite3_overload_function"] = function() { + return (_sqlite3_overload_function = Module["_sqlite3_overload_function"] = Module["asm"]["sqlite3_overload_function"]).apply(null, arguments); +}; + + +var _sqlite3_trace_v2 = Module["_sqlite3_trace_v2"] = function() { + return (_sqlite3_trace_v2 = Module["_sqlite3_trace_v2"] = Module["asm"]["sqlite3_trace_v2"]).apply(null, arguments); +}; + + +var _sqlite3_commit_hook = Module["_sqlite3_commit_hook"] = function() { + return (_sqlite3_commit_hook = Module["_sqlite3_commit_hook"] = Module["asm"]["sqlite3_commit_hook"]).apply(null, arguments); +}; + + +var _sqlite3_update_hook = Module["_sqlite3_update_hook"] = function() { + return (_sqlite3_update_hook = Module["_sqlite3_update_hook"] = Module["asm"]["sqlite3_update_hook"]).apply(null, arguments); +}; + + +var _sqlite3_rollback_hook = Module["_sqlite3_rollback_hook"] = function() { + return (_sqlite3_rollback_hook = Module["_sqlite3_rollback_hook"] = Module["asm"]["sqlite3_rollback_hook"]).apply(null, arguments); +}; + + +var _sqlite3_preupdate_hook = Module["_sqlite3_preupdate_hook"] = function() { + return (_sqlite3_preupdate_hook = Module["_sqlite3_preupdate_hook"] = Module["asm"]["sqlite3_preupdate_hook"]).apply(null, arguments); +}; + + +var _sqlite3_error_offset = Module["_sqlite3_error_offset"] = function() { + return (_sqlite3_error_offset = Module["_sqlite3_error_offset"] = Module["asm"]["sqlite3_error_offset"]).apply(null, arguments); +}; + + +var _sqlite3_errcode = Module["_sqlite3_errcode"] = function() { + return (_sqlite3_errcode = Module["_sqlite3_errcode"] = Module["asm"]["sqlite3_errcode"]).apply(null, arguments); +}; + + +var _sqlite3_extended_errcode = Module["_sqlite3_extended_errcode"] = function() { + return (_sqlite3_extended_errcode = Module["_sqlite3_extended_errcode"] = Module["asm"]["sqlite3_extended_errcode"]).apply(null, arguments); +}; + + +var _sqlite3_errstr = Module["_sqlite3_errstr"] = function() { + return (_sqlite3_errstr = Module["_sqlite3_errstr"] = Module["asm"]["sqlite3_errstr"]).apply(null, arguments); +}; + + +var _sqlite3_limit = Module["_sqlite3_limit"] = function() { + return (_sqlite3_limit = Module["_sqlite3_limit"] = Module["asm"]["sqlite3_limit"]).apply(null, arguments); +}; + + +var _sqlite3_open = Module["_sqlite3_open"] = function() { + return (_sqlite3_open = Module["_sqlite3_open"] = Module["asm"]["sqlite3_open"]).apply(null, arguments); +}; + + +var _sqlite3_open_v2 = Module["_sqlite3_open_v2"] = function() { + return (_sqlite3_open_v2 = Module["_sqlite3_open_v2"] = Module["asm"]["sqlite3_open_v2"]).apply(null, arguments); +}; + + +var _sqlite3_create_collation = Module["_sqlite3_create_collation"] = function() { + return (_sqlite3_create_collation = Module["_sqlite3_create_collation"] = Module["asm"]["sqlite3_create_collation"]).apply(null, arguments); +}; + + +var _sqlite3_create_collation_v2 = Module["_sqlite3_create_collation_v2"] = function() { + return (_sqlite3_create_collation_v2 = Module["_sqlite3_create_collation_v2"] = Module["asm"]["sqlite3_create_collation_v2"]).apply(null, arguments); +}; + + +var _sqlite3_collation_needed = Module["_sqlite3_collation_needed"] = function() { + return (_sqlite3_collation_needed = Module["_sqlite3_collation_needed"] = Module["asm"]["sqlite3_collation_needed"]).apply(null, arguments); +}; + + +var _sqlite3_get_autocommit = Module["_sqlite3_get_autocommit"] = function() { + return (_sqlite3_get_autocommit = Module["_sqlite3_get_autocommit"] = Module["asm"]["sqlite3_get_autocommit"]).apply(null, arguments); +}; + + +var _sqlite3_table_column_metadata = Module["_sqlite3_table_column_metadata"] = function() { + return (_sqlite3_table_column_metadata = Module["_sqlite3_table_column_metadata"] = Module["asm"]["sqlite3_table_column_metadata"]).apply(null, arguments); +}; + + +var _sqlite3_extended_result_codes = Module["_sqlite3_extended_result_codes"] = function() { + return (_sqlite3_extended_result_codes = Module["_sqlite3_extended_result_codes"] = Module["asm"]["sqlite3_extended_result_codes"]).apply(null, arguments); +}; + + +var _sqlite3_uri_key = Module["_sqlite3_uri_key"] = function() { + return (_sqlite3_uri_key = Module["_sqlite3_uri_key"] = Module["asm"]["sqlite3_uri_key"]).apply(null, arguments); +}; + + +var _sqlite3_uri_int64 = Module["_sqlite3_uri_int64"] = function() { + return (_sqlite3_uri_int64 = Module["_sqlite3_uri_int64"] = Module["asm"]["sqlite3_uri_int64"]).apply(null, arguments); +}; + + +var _sqlite3_db_name = Module["_sqlite3_db_name"] = function() { + return (_sqlite3_db_name = Module["_sqlite3_db_name"] = Module["asm"]["sqlite3_db_name"]).apply(null, arguments); +}; + + +var _sqlite3_db_filename = Module["_sqlite3_db_filename"] = function() { + return (_sqlite3_db_filename = Module["_sqlite3_db_filename"] = Module["asm"]["sqlite3_db_filename"]).apply(null, arguments); +}; + + +var _sqlite3_compileoption_used = Module["_sqlite3_compileoption_used"] = function() { + return (_sqlite3_compileoption_used = Module["_sqlite3_compileoption_used"] = Module["asm"]["sqlite3_compileoption_used"]).apply(null, arguments); +}; + + +var _sqlite3_compileoption_get = Module["_sqlite3_compileoption_get"] = function() { + return (_sqlite3_compileoption_get = Module["_sqlite3_compileoption_get"] = Module["asm"]["sqlite3_compileoption_get"]).apply(null, arguments); +}; + + +var _sqlite3session_diff = Module["_sqlite3session_diff"] = function() { + return (_sqlite3session_diff = Module["_sqlite3session_diff"] = Module["asm"]["sqlite3session_diff"]).apply(null, arguments); +}; + + +var _sqlite3session_attach = Module["_sqlite3session_attach"] = function() { + return (_sqlite3session_attach = Module["_sqlite3session_attach"] = Module["asm"]["sqlite3session_attach"]).apply(null, arguments); +}; + + +var _sqlite3session_create = Module["_sqlite3session_create"] = function() { + return (_sqlite3session_create = Module["_sqlite3session_create"] = Module["asm"]["sqlite3session_create"]).apply(null, arguments); +}; + + +var _sqlite3session_delete = Module["_sqlite3session_delete"] = function() { + return (_sqlite3session_delete = Module["_sqlite3session_delete"] = Module["asm"]["sqlite3session_delete"]).apply(null, arguments); +}; + + +var _sqlite3session_table_filter = Module["_sqlite3session_table_filter"] = function() { + return (_sqlite3session_table_filter = Module["_sqlite3session_table_filter"] = Module["asm"]["sqlite3session_table_filter"]).apply(null, arguments); +}; + + +var _sqlite3session_changeset = Module["_sqlite3session_changeset"] = function() { + return (_sqlite3session_changeset = Module["_sqlite3session_changeset"] = Module["asm"]["sqlite3session_changeset"]).apply(null, arguments); +}; + + +var _sqlite3session_changeset_strm = Module["_sqlite3session_changeset_strm"] = function() { + return (_sqlite3session_changeset_strm = Module["_sqlite3session_changeset_strm"] = Module["asm"]["sqlite3session_changeset_strm"]).apply(null, arguments); +}; + + +var _sqlite3session_patchset_strm = Module["_sqlite3session_patchset_strm"] = function() { + return (_sqlite3session_patchset_strm = Module["_sqlite3session_patchset_strm"] = Module["asm"]["sqlite3session_patchset_strm"]).apply(null, arguments); +}; + + +var _sqlite3session_patchset = Module["_sqlite3session_patchset"] = function() { + return (_sqlite3session_patchset = Module["_sqlite3session_patchset"] = Module["asm"]["sqlite3session_patchset"]).apply(null, arguments); +}; + + +var _sqlite3session_enable = Module["_sqlite3session_enable"] = function() { + return (_sqlite3session_enable = Module["_sqlite3session_enable"] = Module["asm"]["sqlite3session_enable"]).apply(null, arguments); +}; + + +var _sqlite3session_indirect = Module["_sqlite3session_indirect"] = function() { + return (_sqlite3session_indirect = Module["_sqlite3session_indirect"] = Module["asm"]["sqlite3session_indirect"]).apply(null, arguments); +}; + + +var _sqlite3session_isempty = Module["_sqlite3session_isempty"] = function() { + return (_sqlite3session_isempty = Module["_sqlite3session_isempty"] = Module["asm"]["sqlite3session_isempty"]).apply(null, arguments); +}; + + +var _sqlite3session_memory_used = Module["_sqlite3session_memory_used"] = function() { + return (_sqlite3session_memory_used = Module["_sqlite3session_memory_used"] = Module["asm"]["sqlite3session_memory_used"]).apply(null, arguments); +}; + + +var _sqlite3session_object_config = Module["_sqlite3session_object_config"] = function() { + return (_sqlite3session_object_config = Module["_sqlite3session_object_config"] = Module["asm"]["sqlite3session_object_config"]).apply(null, arguments); +}; + + +var _sqlite3session_changeset_size = Module["_sqlite3session_changeset_size"] = function() { + return (_sqlite3session_changeset_size = Module["_sqlite3session_changeset_size"] = Module["asm"]["sqlite3session_changeset_size"]).apply(null, arguments); +}; + + +var _sqlite3changeset_start = Module["_sqlite3changeset_start"] = function() { + return (_sqlite3changeset_start = Module["_sqlite3changeset_start"] = Module["asm"]["sqlite3changeset_start"]).apply(null, arguments); +}; + + +var _sqlite3changeset_start_v2 = Module["_sqlite3changeset_start_v2"] = function() { + return (_sqlite3changeset_start_v2 = Module["_sqlite3changeset_start_v2"] = Module["asm"]["sqlite3changeset_start_v2"]).apply(null, arguments); +}; + + +var _sqlite3changeset_start_strm = Module["_sqlite3changeset_start_strm"] = function() { + return (_sqlite3changeset_start_strm = Module["_sqlite3changeset_start_strm"] = Module["asm"]["sqlite3changeset_start_strm"]).apply(null, arguments); +}; + + +var _sqlite3changeset_start_v2_strm = Module["_sqlite3changeset_start_v2_strm"] = function() { + return (_sqlite3changeset_start_v2_strm = Module["_sqlite3changeset_start_v2_strm"] = Module["asm"]["sqlite3changeset_start_v2_strm"]).apply(null, arguments); +}; + + +var _sqlite3changeset_next = Module["_sqlite3changeset_next"] = function() { + return (_sqlite3changeset_next = Module["_sqlite3changeset_next"] = Module["asm"]["sqlite3changeset_next"]).apply(null, arguments); +}; + + +var _sqlite3changeset_op = Module["_sqlite3changeset_op"] = function() { + return (_sqlite3changeset_op = Module["_sqlite3changeset_op"] = Module["asm"]["sqlite3changeset_op"]).apply(null, arguments); +}; + + +var _sqlite3changeset_pk = Module["_sqlite3changeset_pk"] = function() { + return (_sqlite3changeset_pk = Module["_sqlite3changeset_pk"] = Module["asm"]["sqlite3changeset_pk"]).apply(null, arguments); +}; + + +var _sqlite3changeset_old = Module["_sqlite3changeset_old"] = function() { + return (_sqlite3changeset_old = Module["_sqlite3changeset_old"] = Module["asm"]["sqlite3changeset_old"]).apply(null, arguments); +}; + + +var _sqlite3changeset_new = Module["_sqlite3changeset_new"] = function() { + return (_sqlite3changeset_new = Module["_sqlite3changeset_new"] = Module["asm"]["sqlite3changeset_new"]).apply(null, arguments); +}; + + +var _sqlite3changeset_conflict = Module["_sqlite3changeset_conflict"] = function() { + return (_sqlite3changeset_conflict = Module["_sqlite3changeset_conflict"] = Module["asm"]["sqlite3changeset_conflict"]).apply(null, arguments); +}; + + +var _sqlite3changeset_fk_conflicts = Module["_sqlite3changeset_fk_conflicts"] = function() { + return (_sqlite3changeset_fk_conflicts = Module["_sqlite3changeset_fk_conflicts"] = Module["asm"]["sqlite3changeset_fk_conflicts"]).apply(null, arguments); +}; + + +var _sqlite3changeset_finalize = Module["_sqlite3changeset_finalize"] = function() { + return (_sqlite3changeset_finalize = Module["_sqlite3changeset_finalize"] = Module["asm"]["sqlite3changeset_finalize"]).apply(null, arguments); +}; + + +var _sqlite3changeset_invert = Module["_sqlite3changeset_invert"] = function() { + return (_sqlite3changeset_invert = Module["_sqlite3changeset_invert"] = Module["asm"]["sqlite3changeset_invert"]).apply(null, arguments); +}; + + +var _sqlite3changeset_invert_strm = Module["_sqlite3changeset_invert_strm"] = function() { + return (_sqlite3changeset_invert_strm = Module["_sqlite3changeset_invert_strm"] = Module["asm"]["sqlite3changeset_invert_strm"]).apply(null, arguments); +}; + + +var _sqlite3changeset_apply_v2 = Module["_sqlite3changeset_apply_v2"] = function() { + return (_sqlite3changeset_apply_v2 = Module["_sqlite3changeset_apply_v2"] = Module["asm"]["sqlite3changeset_apply_v2"]).apply(null, arguments); +}; + + +var _sqlite3changeset_apply = Module["_sqlite3changeset_apply"] = function() { + return (_sqlite3changeset_apply = Module["_sqlite3changeset_apply"] = Module["asm"]["sqlite3changeset_apply"]).apply(null, arguments); +}; + + +var _sqlite3changeset_apply_v2_strm = Module["_sqlite3changeset_apply_v2_strm"] = function() { + return (_sqlite3changeset_apply_v2_strm = Module["_sqlite3changeset_apply_v2_strm"] = Module["asm"]["sqlite3changeset_apply_v2_strm"]).apply(null, arguments); +}; + + +var _sqlite3changeset_apply_strm = Module["_sqlite3changeset_apply_strm"] = function() { + return (_sqlite3changeset_apply_strm = Module["_sqlite3changeset_apply_strm"] = Module["asm"]["sqlite3changeset_apply_strm"]).apply(null, arguments); +}; + + +var _sqlite3changegroup_new = Module["_sqlite3changegroup_new"] = function() { + return (_sqlite3changegroup_new = Module["_sqlite3changegroup_new"] = Module["asm"]["sqlite3changegroup_new"]).apply(null, arguments); +}; + + +var _sqlite3changegroup_add = Module["_sqlite3changegroup_add"] = function() { + return (_sqlite3changegroup_add = Module["_sqlite3changegroup_add"] = Module["asm"]["sqlite3changegroup_add"]).apply(null, arguments); +}; + + +var _sqlite3changegroup_output = Module["_sqlite3changegroup_output"] = function() { + return (_sqlite3changegroup_output = Module["_sqlite3changegroup_output"] = Module["asm"]["sqlite3changegroup_output"]).apply(null, arguments); +}; + + +var _sqlite3changegroup_add_strm = Module["_sqlite3changegroup_add_strm"] = function() { + return (_sqlite3changegroup_add_strm = Module["_sqlite3changegroup_add_strm"] = Module["asm"]["sqlite3changegroup_add_strm"]).apply(null, arguments); +}; + + +var _sqlite3changegroup_output_strm = Module["_sqlite3changegroup_output_strm"] = function() { + return (_sqlite3changegroup_output_strm = Module["_sqlite3changegroup_output_strm"] = Module["asm"]["sqlite3changegroup_output_strm"]).apply(null, arguments); +}; + + +var _sqlite3changegroup_delete = Module["_sqlite3changegroup_delete"] = function() { + return (_sqlite3changegroup_delete = Module["_sqlite3changegroup_delete"] = Module["asm"]["sqlite3changegroup_delete"]).apply(null, arguments); +}; + + +var _sqlite3changeset_concat = Module["_sqlite3changeset_concat"] = function() { + return (_sqlite3changeset_concat = Module["_sqlite3changeset_concat"] = Module["asm"]["sqlite3changeset_concat"]).apply(null, arguments); +}; + + +var _sqlite3changeset_concat_strm = Module["_sqlite3changeset_concat_strm"] = function() { + return (_sqlite3changeset_concat_strm = Module["_sqlite3changeset_concat_strm"] = Module["asm"]["sqlite3changeset_concat_strm"]).apply(null, arguments); +}; + + +var _sqlite3session_config = Module["_sqlite3session_config"] = function() { + return (_sqlite3session_config = Module["_sqlite3session_config"] = Module["asm"]["sqlite3session_config"]).apply(null, arguments); +}; + + +var _sqlite3_sourceid = Module["_sqlite3_sourceid"] = function() { + return (_sqlite3_sourceid = Module["_sqlite3_sourceid"] = Module["asm"]["sqlite3_sourceid"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_pstack_ptr = Module["_sqlite3_wasm_pstack_ptr"] = function() { + return (_sqlite3_wasm_pstack_ptr = Module["_sqlite3_wasm_pstack_ptr"] = Module["asm"]["sqlite3_wasm_pstack_ptr"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_pstack_restore = Module["_sqlite3_wasm_pstack_restore"] = function() { + return (_sqlite3_wasm_pstack_restore = Module["_sqlite3_wasm_pstack_restore"] = Module["asm"]["sqlite3_wasm_pstack_restore"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_pstack_alloc = Module["_sqlite3_wasm_pstack_alloc"] = function() { + return (_sqlite3_wasm_pstack_alloc = Module["_sqlite3_wasm_pstack_alloc"] = Module["asm"]["sqlite3_wasm_pstack_alloc"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_pstack_remaining = Module["_sqlite3_wasm_pstack_remaining"] = function() { + return (_sqlite3_wasm_pstack_remaining = Module["_sqlite3_wasm_pstack_remaining"] = Module["asm"]["sqlite3_wasm_pstack_remaining"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_pstack_quota = Module["_sqlite3_wasm_pstack_quota"] = function() { + return (_sqlite3_wasm_pstack_quota = Module["_sqlite3_wasm_pstack_quota"] = Module["asm"]["sqlite3_wasm_pstack_quota"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_db_error = Module["_sqlite3_wasm_db_error"] = function() { + return (_sqlite3_wasm_db_error = Module["_sqlite3_wasm_db_error"] = Module["asm"]["sqlite3_wasm_db_error"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_struct = Module["_sqlite3_wasm_test_struct"] = function() { + return (_sqlite3_wasm_test_struct = Module["_sqlite3_wasm_test_struct"] = Module["asm"]["sqlite3_wasm_test_struct"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_enum_json = Module["_sqlite3_wasm_enum_json"] = function() { + return (_sqlite3_wasm_enum_json = Module["_sqlite3_wasm_enum_json"] = Module["asm"]["sqlite3_wasm_enum_json"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_vfs_unlink = Module["_sqlite3_wasm_vfs_unlink"] = function() { + return (_sqlite3_wasm_vfs_unlink = Module["_sqlite3_wasm_vfs_unlink"] = Module["asm"]["sqlite3_wasm_vfs_unlink"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_db_vfs = Module["_sqlite3_wasm_db_vfs"] = function() { + return (_sqlite3_wasm_db_vfs = Module["_sqlite3_wasm_db_vfs"] = Module["asm"]["sqlite3_wasm_db_vfs"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_db_reset = Module["_sqlite3_wasm_db_reset"] = function() { + return (_sqlite3_wasm_db_reset = Module["_sqlite3_wasm_db_reset"] = Module["asm"]["sqlite3_wasm_db_reset"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_db_export_chunked = Module["_sqlite3_wasm_db_export_chunked"] = function() { + return (_sqlite3_wasm_db_export_chunked = Module["_sqlite3_wasm_db_export_chunked"] = Module["asm"]["sqlite3_wasm_db_export_chunked"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_db_serialize = Module["_sqlite3_wasm_db_serialize"] = function() { + return (_sqlite3_wasm_db_serialize = Module["_sqlite3_wasm_db_serialize"] = Module["asm"]["sqlite3_wasm_db_serialize"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_vfs_create_file = Module["_sqlite3_wasm_vfs_create_file"] = function() { + return (_sqlite3_wasm_vfs_create_file = Module["_sqlite3_wasm_vfs_create_file"] = Module["asm"]["sqlite3_wasm_vfs_create_file"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_posix_create_file = Module["_sqlite3_wasm_posix_create_file"] = function() { + return (_sqlite3_wasm_posix_create_file = Module["_sqlite3_wasm_posix_create_file"] = Module["asm"]["sqlite3_wasm_posix_create_file"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_kvvfsMakeKeyOnPstack = Module["_sqlite3_wasm_kvvfsMakeKeyOnPstack"] = function() { + return (_sqlite3_wasm_kvvfsMakeKeyOnPstack = Module["_sqlite3_wasm_kvvfsMakeKeyOnPstack"] = Module["asm"]["sqlite3_wasm_kvvfsMakeKeyOnPstack"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_kvvfs_methods = Module["_sqlite3_wasm_kvvfs_methods"] = function() { + return (_sqlite3_wasm_kvvfs_methods = Module["_sqlite3_wasm_kvvfs_methods"] = Module["asm"]["sqlite3_wasm_kvvfs_methods"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_vtab_config = Module["_sqlite3_wasm_vtab_config"] = function() { + return (_sqlite3_wasm_vtab_config = Module["_sqlite3_wasm_vtab_config"] = Module["asm"]["sqlite3_wasm_vtab_config"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_db_config_ip = Module["_sqlite3_wasm_db_config_ip"] = function() { + return (_sqlite3_wasm_db_config_ip = Module["_sqlite3_wasm_db_config_ip"] = Module["asm"]["sqlite3_wasm_db_config_ip"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_db_config_pii = Module["_sqlite3_wasm_db_config_pii"] = function() { + return (_sqlite3_wasm_db_config_pii = Module["_sqlite3_wasm_db_config_pii"] = Module["asm"]["sqlite3_wasm_db_config_pii"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_db_config_s = Module["_sqlite3_wasm_db_config_s"] = function() { + return (_sqlite3_wasm_db_config_s = Module["_sqlite3_wasm_db_config_s"] = Module["asm"]["sqlite3_wasm_db_config_s"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_config_i = Module["_sqlite3_wasm_config_i"] = function() { + return (_sqlite3_wasm_config_i = Module["_sqlite3_wasm_config_i"] = Module["asm"]["sqlite3_wasm_config_i"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_config_ii = Module["_sqlite3_wasm_config_ii"] = function() { + return (_sqlite3_wasm_config_ii = Module["_sqlite3_wasm_config_ii"] = Module["asm"]["sqlite3_wasm_config_ii"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_config_j = Module["_sqlite3_wasm_config_j"] = function() { + return (_sqlite3_wasm_config_j = Module["_sqlite3_wasm_config_j"] = Module["asm"]["sqlite3_wasm_config_j"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_init_wasmfs = Module["_sqlite3_wasm_init_wasmfs"] = function() { + return (_sqlite3_wasm_init_wasmfs = Module["_sqlite3_wasm_init_wasmfs"] = Module["asm"]["sqlite3_wasm_init_wasmfs"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_intptr = Module["_sqlite3_wasm_test_intptr"] = function() { + return (_sqlite3_wasm_test_intptr = Module["_sqlite3_wasm_test_intptr"] = Module["asm"]["sqlite3_wasm_test_intptr"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_voidptr = Module["_sqlite3_wasm_test_voidptr"] = function() { + return (_sqlite3_wasm_test_voidptr = Module["_sqlite3_wasm_test_voidptr"] = Module["asm"]["sqlite3_wasm_test_voidptr"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_int64_max = Module["_sqlite3_wasm_test_int64_max"] = function() { + return (_sqlite3_wasm_test_int64_max = Module["_sqlite3_wasm_test_int64_max"] = Module["asm"]["sqlite3_wasm_test_int64_max"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_int64_min = Module["_sqlite3_wasm_test_int64_min"] = function() { + return (_sqlite3_wasm_test_int64_min = Module["_sqlite3_wasm_test_int64_min"] = Module["asm"]["sqlite3_wasm_test_int64_min"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_int64_times2 = Module["_sqlite3_wasm_test_int64_times2"] = function() { + return (_sqlite3_wasm_test_int64_times2 = Module["_sqlite3_wasm_test_int64_times2"] = Module["asm"]["sqlite3_wasm_test_int64_times2"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_int64_minmax = Module["_sqlite3_wasm_test_int64_minmax"] = function() { + return (_sqlite3_wasm_test_int64_minmax = Module["_sqlite3_wasm_test_int64_minmax"] = Module["asm"]["sqlite3_wasm_test_int64_minmax"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_int64ptr = Module["_sqlite3_wasm_test_int64ptr"] = function() { + return (_sqlite3_wasm_test_int64ptr = Module["_sqlite3_wasm_test_int64ptr"] = Module["asm"]["sqlite3_wasm_test_int64ptr"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_stack_overflow = Module["_sqlite3_wasm_test_stack_overflow"] = function() { + return (_sqlite3_wasm_test_stack_overflow = Module["_sqlite3_wasm_test_stack_overflow"] = Module["asm"]["sqlite3_wasm_test_stack_overflow"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_test_str_hello = Module["_sqlite3_wasm_test_str_hello"] = function() { + return (_sqlite3_wasm_test_str_hello = Module["_sqlite3_wasm_test_str_hello"] = Module["asm"]["sqlite3_wasm_test_str_hello"]).apply(null, arguments); +}; + + +var _sqlite3_wasm_SQLTester_strglob = Module["_sqlite3_wasm_SQLTester_strglob"] = function() { + return (_sqlite3_wasm_SQLTester_strglob = Module["_sqlite3_wasm_SQLTester_strglob"] = Module["asm"]["sqlite3_wasm_SQLTester_strglob"]).apply(null, arguments); +}; + + +var _malloc = Module["_malloc"] = function() { + return (_malloc = Module["_malloc"] = Module["asm"]["malloc"]).apply(null, arguments); +}; + + +var _free = Module["_free"] = function() { + return (_free = Module["_free"] = Module["asm"]["free"]).apply(null, arguments); +}; + + +var _realloc = Module["_realloc"] = function() { + return (_realloc = Module["_realloc"] = Module["asm"]["realloc"]).apply(null, arguments); +}; + + +var _emscripten_builtin_memalign = Module["_emscripten_builtin_memalign"] = function() { + return (_emscripten_builtin_memalign = Module["_emscripten_builtin_memalign"] = Module["asm"]["emscripten_builtin_memalign"]).apply(null, arguments); +}; + + +var stackSave = Module["stackSave"] = function() { + return (stackSave = Module["stackSave"] = Module["asm"]["stackSave"]).apply(null, arguments); +}; + + +var stackRestore = Module["stackRestore"] = function() { + return (stackRestore = Module["stackRestore"] = Module["asm"]["stackRestore"]).apply(null, arguments); +}; + + +var stackAlloc = Module["stackAlloc"] = function() { + return (stackAlloc = Module["stackAlloc"] = Module["asm"]["stackAlloc"]).apply(null, arguments); +}; + + + + + + + +Module["wasmMemory"] = wasmMemory; + + +var calledRun; + +dependenciesFulfilled = function runCaller() { + + if (!calledRun) run(); + if (!calledRun) dependenciesFulfilled = runCaller; +}; + + +function run(args) { + args = args || arguments_; + + if (runDependencies > 0) { + return; + } + + preRun(); + + + if (runDependencies > 0) { + return; + } + + function doRun() { + + + if (calledRun) return; + calledRun = true; + Module['calledRun'] = true; + + if (ABORT) return; + + initRuntime(); + + 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(); + } +} + +if (Module['preInit']) { + if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; + while (Module['preInit'].length > 0) { + Module['preInit'].pop()(); + } +} + +run(); + + + + + +if(!Module.postRun) Module.postRun = []; +Module.postRun.push(function(Module){ + 'use strict'; + + + + + + + + + + + +'use strict'; +globalThis.sqlite3ApiBootstrap = function sqlite3ApiBootstrap( + apiConfig = (globalThis.sqlite3ApiConfig || sqlite3ApiBootstrap.defaultConfig) +){ + if(sqlite3ApiBootstrap.sqlite3){ + console.warn("sqlite3ApiBootstrap() called multiple times.", + "Config and external initializers are ignored on calls after the first."); + return sqlite3ApiBootstrap.sqlite3; + } + const config = Object.assign(Object.create(null),{ + exports: undefined, + memory: undefined, + bigIntEnabled: (()=>{ + if('undefined'!==typeof Module){ + + return !!Module.HEAPU64; + } + return !!globalThis.BigInt64Array; + })(), + debug: console.debug.bind(console), + warn: console.warn.bind(console), + error: console.error.bind(console), + log: console.log.bind(console), + wasmfsOpfsDir: '/opfs', + + useStdAlloc: false + }, apiConfig || {}); + + Object.assign(config, { + allocExportName: config.useStdAlloc ? 'malloc' : 'sqlite3_malloc', + deallocExportName: config.useStdAlloc ? 'free' : 'sqlite3_free', + reallocExportName: config.useStdAlloc ? 'realloc' : 'sqlite3_realloc' + }, config); + + [ + + + 'exports', 'memory', 'wasmfsOpfsDir' + ].forEach((k)=>{ + if('function' === typeof config[k]){ + config[k] = config[k](); + } + }); + + const capi = Object.create(null); + + const wasm = Object.create(null); + + + const __rcStr = (rc)=>{ + return (capi.sqlite3_js_rc_str && capi.sqlite3_js_rc_str(rc)) + || ("Unknown result code #"+rc); + }; + + + const __isInt = (n)=>'number'===typeof n && n===(n | 0); + + + class SQLite3Error extends Error { + + constructor(...args){ + let rc; + if(args.length){ + if(__isInt(args[0])){ + rc = args[0]; + if(1===args.length){ + super(__rcStr(args[0])); + }else{ + const rcStr = __rcStr(rc); + if('object'===typeof args[1]){ + super(rcStr,args[1]); + }else{ + args[0] = rcStr+':'; + super(args.join(' ')); + } + } + }else{ + if(2===args.length && 'object'===typeof args[1]){ + super(...args); + }else{ + super(args.join(' ')); + } + } + } + this.resultCode = rc || capi.SQLITE_ERROR; + this.name = 'SQLite3Error'; + } + }; + + + SQLite3Error.toss = (...args)=>{ + throw new SQLite3Error(...args); + }; + const toss3 = SQLite3Error.toss; + + if(config.wasmfsOpfsDir && !/^\/[^/]+$/.test(config.wasmfsOpfsDir)){ + toss3("config.wasmfsOpfsDir must be falsy or in the form '/dir-name'."); + } + + + const isInt32 = (n)=>{ + return ('bigint'!==typeof n ) + && !!(n===(n|0) && n<=2147483647 && n>=-2147483648); + }; + + const bigIntFits64 = function f(b){ + if(!f._max){ + f._max = BigInt("0x7fffffffffffffff"); + f._min = ~f._max; + } + return b >= f._min && b <= f._max; + }; + + + const bigIntFits32 = (b)=>(b >= (-0x7fffffffn - 1n) && b <= 0x7fffffffn); + + + const bigIntFitsDouble = function f(b){ + if(!f._min){ + f._min = Number.MIN_SAFE_INTEGER; + f._max = Number.MAX_SAFE_INTEGER; + } + return b >= f._min && b <= f._max; + }; + + + const isTypedArray = (v)=>{ + return (v && v.constructor && isInt32(v.constructor.BYTES_PER_ELEMENT)) ? v : false; + }; + + + + const __SAB = ('undefined'===typeof SharedArrayBuffer) + ? function(){} : SharedArrayBuffer; + + const isSharedTypedArray = (aTypedArray)=>(aTypedArray.buffer instanceof __SAB); + + + const typedArrayPart = (aTypedArray, begin, end)=>{ + return isSharedTypedArray(aTypedArray) + ? aTypedArray.slice(begin, end) + : aTypedArray.subarray(begin, end); + }; + + + const isBindableTypedArray = (v)=>{ + return v && (v instanceof Uint8Array + || v instanceof Int8Array + || v instanceof ArrayBuffer); + }; + + + const isSQLableTypedArray = (v)=>{ + return v && (v instanceof Uint8Array + || v instanceof Int8Array + || v instanceof ArrayBuffer); + }; + + + const affirmBindableTypedArray = (v)=>{ + return isBindableTypedArray(v) + || toss3("Value is not of a supported TypedArray type."); + }; + + const utf8Decoder = new TextDecoder('utf-8'); + + + const typedArrayToString = function(typedArray, begin, end){ + return utf8Decoder.decode(typedArrayPart(typedArray, begin,end)); + }; + + + const flexibleString = function(v){ + if(isSQLableTypedArray(v)){ + return typedArrayToString( + (v instanceof ArrayBuffer) ? new Uint8Array(v) : v + ); + } + else if(Array.isArray(v)) return v.join(""); + else if(wasm.isPtr(v)) v = wasm.cstrToJs(v); + return v; + }; + + + class WasmAllocError extends Error { + + constructor(...args){ + if(2===args.length && 'object'===typeof args[1]){ + super(...args); + }else if(args.length){ + super(args.join(' ')); + }else{ + super("Allocation failed."); + } + this.resultCode = capi.SQLITE_NOMEM; + this.name = 'WasmAllocError'; + } + }; + + WasmAllocError.toss = (...args)=>{ + throw new WasmAllocError(...args); + }; + + Object.assign(capi, { + + sqlite3_bind_blob: undefined, + + + sqlite3_bind_text: undefined, + + + sqlite3_create_function_v2: ( + pDb, funcName, nArg, eTextRep, pApp, + xFunc, xStep, xFinal, xDestroy + )=>{}, + + sqlite3_create_function: ( + pDb, funcName, nArg, eTextRep, pApp, + xFunc, xStep, xFinal + )=>{}, + + sqlite3_create_window_function: ( + pDb, funcName, nArg, eTextRep, pApp, + xStep, xFinal, xValue, xInverse, xDestroy + )=>{}, + + sqlite3_prepare_v3: (dbPtr, sql, sqlByteLen, prepFlags, + stmtPtrPtr, strPtrPtr)=>{}, + + + sqlite3_prepare_v2: (dbPtr, sql, sqlByteLen, + stmtPtrPtr,strPtrPtr)=>{}, + + + sqlite3_exec: (pDb, sql, callback, pVoid, pErrMsg)=>{}, + + + sqlite3_randomness: (n, outPtr)=>{}, + }); + + + const util = { + affirmBindableTypedArray, flexibleString, + bigIntFits32, bigIntFits64, bigIntFitsDouble, + isBindableTypedArray, + isInt32, isSQLableTypedArray, isTypedArray, + typedArrayToString, + isUIThread: ()=>(globalThis.window===globalThis && !!globalThis.document), + + isSharedTypedArray, + toss: function(...args){throw new Error(args.join(' '))}, + toss3, + typedArrayPart, + + affirmDbHeader: function(bytes){ + if(bytes instanceof ArrayBuffer) bytes = new Uint8Array(bytes); + const header = "SQLite format 3"; + if( header.length > bytes.byteLength ){ + toss3("Input does not contain an SQLite3 database header."); + } + for(let i = 0; i < header.length; ++i){ + if( header.charCodeAt(i) !== bytes[i] ){ + toss3("Input does not contain an SQLite3 database header."); + } + } + }, + + affirmIsDb: function(bytes){ + if(bytes instanceof ArrayBuffer) bytes = new Uint8Array(bytes); + const n = bytes.byteLength; + if(n<512 || n%512!==0) { + toss3("Byte array size",n,"is invalid for an SQLite3 db."); + } + util.affirmDbHeader(bytes); + } + }; + + Object.assign(wasm, { + + ptrSizeof: config.wasmPtrSizeof || 4, + + ptrIR: config.wasmPtrIR || "i32", + + bigIntEnabled: !!config.bigIntEnabled, + + exports: config.exports + || toss3("Missing API config.exports (WASM module exports)."), + + + memory: config.memory || config.exports['memory'] + || toss3("API config object requires a WebAssembly.Memory object", + "in either config.exports.memory (exported)", + "or config.memory (imported)."), + + + alloc: undefined, + + + realloc: undefined, + + + dealloc: undefined + + + }); + + + wasm.allocFromTypedArray = function(srcTypedArray){ + if(srcTypedArray instanceof ArrayBuffer){ + srcTypedArray = new Uint8Array(srcTypedArray); + } + affirmBindableTypedArray(srcTypedArray); + const pRet = wasm.alloc(srcTypedArray.byteLength || 1); + wasm.heapForSize(srcTypedArray.constructor).set( + srcTypedArray.byteLength ? srcTypedArray : [0], pRet + ); + return pRet; + }; + + { + + const keyAlloc = config.allocExportName, + keyDealloc = config.deallocExportName, + keyRealloc = config.reallocExportName; + for(const key of [keyAlloc, keyDealloc, keyRealloc]){ + const f = wasm.exports[key]; + if(!(f instanceof Function)) toss3("Missing required exports[",key,"] function."); + } + + wasm.alloc = function f(n){ + return f.impl(n) || WasmAllocError.toss("Failed to allocate",n," bytes."); + }; + wasm.alloc.impl = wasm.exports[keyAlloc]; + wasm.realloc = function f(m,n){ + const m2 = f.impl(m,n); + return n ? (m2 || WasmAllocError.toss("Failed to reallocate",n," bytes.")) : 0; + }; + wasm.realloc.impl = wasm.exports[keyRealloc]; + wasm.dealloc = wasm.exports[keyDealloc]; + } + + + wasm.compileOptionUsed = function f(optName){ + if(!arguments.length){ + if(f._result) return f._result; + else if(!f._opt){ + f._rx = /^([^=]+)=(.+)/; + f._rxInt = /^-?\d+$/; + f._opt = function(opt, rv){ + const m = f._rx.exec(opt); + rv[0] = (m ? m[1] : opt); + rv[1] = m ? (f._rxInt.test(m[2]) ? +m[2] : m[2]) : true; + }; + } + const rc = {}, ov = [0,0]; + let i = 0, k; + while((k = capi.sqlite3_compileoption_get(i++))){ + f._opt(k,ov); + rc[ov[0]] = ov[1]; + } + return f._result = rc; + }else if(Array.isArray(optName)){ + const rc = {}; + optName.forEach((v)=>{ + rc[v] = capi.sqlite3_compileoption_used(v); + }); + return rc; + }else if('object' === typeof optName){ + Object.keys(optName).forEach((k)=> { + optName[k] = capi.sqlite3_compileoption_used(k); + }); + return optName; + } + return ( + 'string'===typeof optName + ) ? !!capi.sqlite3_compileoption_used(optName) : false; + }; + + + wasm.pstack = Object.assign(Object.create(null),{ + + restore: wasm.exports.sqlite3_wasm_pstack_restore, + + alloc: function(n){ + if('string'===typeof n && !(n = wasm.sizeofIR(n))){ + WasmAllocError.toss("Invalid value for pstack.alloc(",arguments[0],")"); + } + return wasm.exports.sqlite3_wasm_pstack_alloc(n) + || WasmAllocError.toss("Could not allocate",n, + "bytes from the pstack."); + }, + + allocChunks: function(n,sz){ + if('string'===typeof sz && !(sz = wasm.sizeofIR(sz))){ + WasmAllocError.toss("Invalid size value for allocChunks(",arguments[1],")"); + } + const mem = wasm.pstack.alloc(n * sz); + const rc = []; + let i = 0, offset = 0; + for(; i < n; ++i, offset += sz) rc.push(mem + offset); + return rc; + }, + + allocPtr: (n=1,safePtrSize=true)=>{ + return 1===n + ? wasm.pstack.alloc(safePtrSize ? 8 : wasm.ptrSizeof) + : wasm.pstack.allocChunks(n, safePtrSize ? 8 : wasm.ptrSizeof); + }, + + + call: function(f){ + const stackPos = wasm.pstack.pointer; + try{ return f(sqlite3) } finally{ + wasm.pstack.restore(stackPos); + } + } + + }); + Object.defineProperties(wasm.pstack, { + + pointer: { + configurable: false, iterable: true, writeable: false, + get: wasm.exports.sqlite3_wasm_pstack_ptr + + + + }, + + quota: { + configurable: false, iterable: true, writeable: false, + get: wasm.exports.sqlite3_wasm_pstack_quota + }, + + remaining: { + configurable: false, iterable: true, writeable: false, + get: wasm.exports.sqlite3_wasm_pstack_remaining + } + }); + + capi.sqlite3_randomness = (...args)=>{ + if(1===args.length && util.isTypedArray(args[0]) + && 1===args[0].BYTES_PER_ELEMENT){ + const ta = args[0]; + if(0===ta.byteLength){ + wasm.exports.sqlite3_randomness(0,0); + return ta; + } + const stack = wasm.pstack.pointer; + try { + let n = ta.byteLength, offset = 0; + const r = wasm.exports.sqlite3_randomness; + const heap = wasm.heap8u(); + const nAlloc = n < 512 ? n : 512; + const ptr = wasm.pstack.alloc(nAlloc); + do{ + const j = (n>nAlloc ? nAlloc : n); + r(j, ptr); + ta.set(typedArrayPart(heap, ptr, ptr+j), offset); + n -= j; + offset += j; + } while(n > 0); + }catch(e){ + console.error("Highly unexpected (and ignored!) "+ + "exception in sqlite3_randomness():",e); + }finally{ + wasm.pstack.restore(stack); + } + return ta; + } + wasm.exports.sqlite3_randomness(...args); + }; + + + let __wasmfsOpfsDir = undefined; + + capi.sqlite3_wasmfs_opfs_dir = function(){ + if(undefined !== __wasmfsOpfsDir) return __wasmfsOpfsDir; + + const pdir = config.wasmfsOpfsDir; + if(!pdir + || !globalThis.FileSystemHandle + || !globalThis.FileSystemDirectoryHandle + || !globalThis.FileSystemFileHandle){ + return __wasmfsOpfsDir = ""; + } + try{ + if(pdir && 0===wasm.xCallWrapped( + 'sqlite3_wasm_init_wasmfs', 'i32', ['string'], pdir + )){ + return __wasmfsOpfsDir = pdir; + }else{ + return __wasmfsOpfsDir = ""; + } + }catch(e){ + + return __wasmfsOpfsDir = ""; + } + }; + + + capi.sqlite3_wasmfs_filename_is_persistent = function(name){ + const p = capi.sqlite3_wasmfs_opfs_dir(); + return (p && name) ? name.startsWith(p+'/') : false; + }; + + + capi.sqlite3_js_db_uses_vfs = function(pDb,vfsName,dbName=0){ + try{ + const pK = capi.sqlite3_vfs_find(vfsName); + if(!pK) return false; + else if(!pDb){ + return pK===capi.sqlite3_vfs_find(0) ? pK : false; + }else{ + return pK===capi.sqlite3_js_db_vfs(pDb,dbName) ? pK : false; + } + }catch(e){ + + return false; + } + }; + + + capi.sqlite3_js_vfs_list = function(){ + const rc = []; + let pVfs = capi.sqlite3_vfs_find(0); + while(pVfs){ + const oVfs = new capi.sqlite3_vfs(pVfs); + rc.push(wasm.cstrToJs(oVfs.$zName)); + pVfs = oVfs.$pNext; + oVfs.dispose(); + } + return rc; + }; + + + capi.sqlite3_js_db_export = function(pDb, schema=0){ + pDb = wasm.xWrap.testConvertArg('sqlite3*', pDb); + if(!pDb) toss3('Invalid sqlite3* argument.'); + if(!wasm.bigIntEnabled) toss3('BigInt64 support is not enabled.'); + const scope = wasm.scopedAllocPush(); + let pOut; + try{ + const pSize = wasm.scopedAlloc(8 + wasm.ptrSizeof); + const ppOut = pSize + 8; + + const zSchema = schema + ? (wasm.isPtr(schema) ? schema : wasm.scopedAllocCString(''+schema)) + : 0; + let rc = wasm.exports.sqlite3_wasm_db_serialize( + pDb, zSchema, ppOut, pSize, 0 + ); + if(rc){ + toss3("Database serialization failed with code", + sqlite3.capi.sqlite3_js_rc_str(rc)); + } + pOut = wasm.peekPtr(ppOut); + const nOut = wasm.peek(pSize, 'i64'); + rc = nOut + ? wasm.heap8u().slice(pOut, pOut + Number(nOut)) + : new Uint8Array(); + return rc; + }finally{ + if(pOut) wasm.exports.sqlite3_free(pOut); + wasm.scopedAllocPop(scope); + } + }; + + + capi.sqlite3_js_db_vfs = + (dbPointer, dbName=0)=>wasm.sqlite3_wasm_db_vfs(dbPointer, dbName); + + + capi.sqlite3_js_aggregate_context = (pCtx, n)=>{ + return capi.sqlite3_aggregate_context(pCtx, n) + || (n ? WasmAllocError.toss("Cannot allocate",n, + "bytes for sqlite3_aggregate_context()") + : 0); + }; + + + capi.sqlite3_js_posix_create_file = function(filename, data, dataLen){ + let pData; + if(data && wasm.isPtr(data)){ + pData = data; + }else if(data instanceof ArrayBuffer || data instanceof Uint8Array){ + pData = wasm.allocFromTypedArray(data); + if(arguments.length<3 || !util.isInt32(dataLen) || dataLen<0){ + dataLen = data.byteLength; + } + }else{ + SQLite3Error.toss("Invalid 2nd argument for sqlite3_js_posix_create_file()."); + } + try{ + if(!util.isInt32(dataLen) || dataLen<0){ + SQLite3Error.toss("Invalid 3rd argument for sqlite3_js_posix_create_file()."); + } + const rc = wasm.sqlite3_wasm_posix_create_file(filename, pData, dataLen); + if(rc) SQLite3Error.toss("Creation of file failed with sqlite3 result code", + capi.sqlite3_js_rc_str(rc)); + }finally{ + wasm.dealloc(pData); + } + }; + + + capi.sqlite3_js_vfs_create_file = function(vfs, filename, data, dataLen){ + config.warn("sqlite3_js_vfs_create_file() is deprecated and", + "should be avoided because it can lead to C-level crashes.", + "See its documentation for alternative options."); + let pData; + if(data){ + if(wasm.isPtr(data)){ + pData = data; + }else if(data instanceof ArrayBuffer){ + data = new Uint8Array(data); + } + if(data instanceof Uint8Array){ + pData = wasm.allocFromTypedArray(data); + if(arguments.length<4 || !util.isInt32(dataLen) || dataLen<0){ + dataLen = data.byteLength; + } + }else{ + SQLite3Error.toss("Invalid 3rd argument type for sqlite3_js_vfs_create_file()."); + } + }else{ + pData = 0; + } + if(!util.isInt32(dataLen) || dataLen<0){ + wasm.dealloc(pData); + SQLite3Error.toss("Invalid 4th argument for sqlite3_js_vfs_create_file()."); + } + try{ + const rc = wasm.sqlite3_wasm_vfs_create_file(vfs, filename, pData, dataLen); + if(rc) SQLite3Error.toss("Creation of file failed with sqlite3 result code", + capi.sqlite3_js_rc_str(rc)); + }finally{ + wasm.dealloc(pData); + } + }; + + + capi.sqlite3_js_sql_to_string = (sql)=>{ + if('string' === typeof sql){ + return sql; + } + const x = flexibleString(v); + return x===v ? undefined : x; + } + + if( util.isUIThread() ){ + + + + const __kvvfsInfo = function(which){ + const rc = Object.create(null); + rc.prefix = 'kvvfs-'+which; + rc.stores = []; + if('session'===which || ""===which) rc.stores.push(globalThis.sessionStorage); + if('local'===which || ""===which) rc.stores.push(globalThis.localStorage); + return rc; + }; + + + capi.sqlite3_js_kvvfs_clear = function(which=""){ + let rc = 0; + const kvinfo = __kvvfsInfo(which); + kvinfo.stores.forEach((s)=>{ + const toRm = [] ; + let i; + for( i = 0; i < s.length; ++i ){ + const k = s.key(i); + if(k.startsWith(kvinfo.prefix)) toRm.push(k); + } + toRm.forEach((kk)=>s.removeItem(kk)); + rc += toRm.length; + }); + return rc; + }; + + + capi.sqlite3_js_kvvfs_size = function(which=""){ + let sz = 0; + const kvinfo = __kvvfsInfo(which); + kvinfo.stores.forEach((s)=>{ + let i; + for(i = 0; i < s.length; ++i){ + const k = s.key(i); + if(k.startsWith(kvinfo.prefix)){ + sz += k.length; + sz += s.getItem(k).length; + } + } + }); + return sz * 2 ; + }; + + } + + + capi.sqlite3_db_config = function(pDb, op, ...args){ + if(!this.s){ + this.s = wasm.xWrap('sqlite3_wasm_db_config_s','int', + ['sqlite3*', 'int', 'string:static'] + ); + this.pii = wasm.xWrap('sqlite3_wasm_db_config_pii', 'int', + ['sqlite3*', 'int', '*','int', 'int']); + this.ip = wasm.xWrap('sqlite3_wasm_db_config_ip','int', + ['sqlite3*', 'int', 'int','*']); + } + switch(op){ + case capi.SQLITE_DBCONFIG_ENABLE_FKEY: + case capi.SQLITE_DBCONFIG_ENABLE_TRIGGER: + case capi.SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER: + case capi.SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION: + case capi.SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE: + case capi.SQLITE_DBCONFIG_ENABLE_QPSG: + case capi.SQLITE_DBCONFIG_TRIGGER_EQP: + case capi.SQLITE_DBCONFIG_RESET_DATABASE: + case capi.SQLITE_DBCONFIG_DEFENSIVE: + case capi.SQLITE_DBCONFIG_WRITABLE_SCHEMA: + case capi.SQLITE_DBCONFIG_LEGACY_ALTER_TABLE: + case capi.SQLITE_DBCONFIG_DQS_DML: + case capi.SQLITE_DBCONFIG_DQS_DDL: + case capi.SQLITE_DBCONFIG_ENABLE_VIEW: + case capi.SQLITE_DBCONFIG_LEGACY_FILE_FORMAT: + case capi.SQLITE_DBCONFIG_TRUSTED_SCHEMA: + case capi.SQLITE_DBCONFIG_STMT_SCANSTATUS: + case capi.SQLITE_DBCONFIG_REVERSE_SCANORDER: + return this.ip(pDb, op, args[0], args[1] || 0); + case capi.SQLITE_DBCONFIG_LOOKASIDE: + return this.pii(pDb, op, args[0], args[1], args[2]); + case capi.SQLITE_DBCONFIG_MAINDBNAME: + return this.s(pDb, op, args[0]); + default: + return capi.SQLITE_MISUSE; + } + }.bind(Object.create(null)); + + + capi.sqlite3_value_to_js = function(pVal,throwIfCannotConvert=true){ + let arg; + const valType = capi.sqlite3_value_type(pVal); + switch(valType){ + case capi.SQLITE_INTEGER: + if(wasm.bigIntEnabled){ + arg = capi.sqlite3_value_int64(pVal); + if(util.bigIntFitsDouble(arg)) arg = Number(arg); + } + else arg = capi.sqlite3_value_double(pVal); + break; + case capi.SQLITE_FLOAT: + arg = capi.sqlite3_value_double(pVal); + break; + case capi.SQLITE_TEXT: + arg = capi.sqlite3_value_text(pVal); + break; + case capi.SQLITE_BLOB:{ + const n = capi.sqlite3_value_bytes(pVal); + const pBlob = capi.sqlite3_value_blob(pVal); + if(n && !pBlob) sqlite3.WasmAllocError.toss( + "Cannot allocate memory for blob argument of",n,"byte(s)" + ); + arg = n ? wasm.heap8u().slice(pBlob, pBlob + Number(n)) : null; + break; + } + case capi.SQLITE_NULL: + arg = null; break; + default: + if(throwIfCannotConvert){ + toss3(capi.SQLITE_MISMATCH, + "Unhandled sqlite3_value_type():",valType); + } + arg = undefined; + } + return arg; + }; + + + capi.sqlite3_values_to_js = function(argc,pArgv,throwIfCannotConvert=true){ + let i; + const tgt = []; + for(i = 0; i < argc; ++i){ + + tgt.push(capi.sqlite3_value_to_js( + wasm.peekPtr(pArgv + (wasm.ptrSizeof * i)), + throwIfCannotConvert + )); + } + return tgt; + }; + + + capi.sqlite3_result_error_js = function(pCtx,e){ + if(e instanceof WasmAllocError){ + capi.sqlite3_result_error_nomem(pCtx); + }else{ + ; + capi.sqlite3_result_error(pCtx, ''+e, -1); + } + }; + + + capi.sqlite3_result_js = function(pCtx,val){ + if(val instanceof Error){ + capi.sqlite3_result_error_js(pCtx, val); + return; + } + try{ + switch(typeof val) { + case 'undefined': + + break; + case 'boolean': + capi.sqlite3_result_int(pCtx, val ? 1 : 0); + break; + case 'bigint': + if(util.bigIntFits32(val)){ + capi.sqlite3_result_int(pCtx, Number(val)); + }else if(util.bigIntFitsDouble(val)){ + capi.sqlite3_result_double(pCtx, Number(val)); + }else if(wasm.bigIntEnabled){ + if(util.bigIntFits64(val)) capi.sqlite3_result_int64(pCtx, val); + else toss3("BigInt value",val.toString(),"is too BigInt for int64."); + }else{ + toss3("BigInt value",val.toString(),"is too BigInt."); + } + break; + case 'number': { + let f; + if(util.isInt32(val)){ + f = capi.sqlite3_result_int; + }else if(wasm.bigIntEnabled + && Number.isInteger(val) + && util.bigIntFits64(BigInt(val))){ + f = capi.sqlite3_result_int64; + }else{ + f = capi.sqlite3_result_double; + } + f(pCtx, val); + break; + } + case 'string': { + const [p, n] = wasm.allocCString(val,true); + capi.sqlite3_result_text(pCtx, p, n, capi.SQLITE_WASM_DEALLOC); + break; + } + case 'object': + if(null===val) { + capi.sqlite3_result_null(pCtx); + break; + }else if(util.isBindableTypedArray(val)){ + const pBlob = wasm.allocFromTypedArray(val); + capi.sqlite3_result_blob( + pCtx, pBlob, val.byteLength, + capi.SQLITE_WASM_DEALLOC + ); + break; + } + + default: + toss3("Don't not how to handle this UDF result value:",(typeof val), val); + } + }catch(e){ + capi.sqlite3_result_error_js(pCtx, e); + } + }; + + + capi.sqlite3_column_js = function(pStmt, iCol, throwIfCannotConvert=true){ + const v = capi.sqlite3_column_value(pStmt, iCol); + return (0===v) ? undefined : capi.sqlite3_value_to_js(v, throwIfCannotConvert); + }; + + + const __newOldValue = function(pObj, iCol, impl){ + impl = capi[impl]; + if(!this.ptr) this.ptr = wasm.allocPtr(); + else wasm.pokePtr(this.ptr, 0); + const rc = impl(pObj, iCol, this.ptr); + if(rc) return SQLite3Error.toss(rc,arguments[2]+"() failed with code "+rc); + const pv = wasm.peekPtr(this.ptr); + return pv ? capi.sqlite3_value_to_js( pv, true ) : undefined; + }.bind(Object.create(null)); + + + capi.sqlite3_preupdate_new_js = + (pDb, iCol)=>__newOldValue(pDb, iCol, 'sqlite3_preupdate_new'); + + + capi.sqlite3_preupdate_old_js = + (pDb, iCol)=>__newOldValue(pDb, iCol, 'sqlite3_preupdate_old'); + + + capi.sqlite3changeset_new_js = + (pChangesetIter, iCol) => __newOldValue(pChangesetIter, iCol, + 'sqlite3changeset_new'); + + + capi.sqlite3changeset_old_js = + (pChangesetIter, iCol)=>__newOldValue(pChangesetIter, iCol, + 'sqlite3changeset_old'); + + + const sqlite3 = { + WasmAllocError: WasmAllocError, + SQLite3Error: SQLite3Error, + capi, + util, + wasm, + config, + + version: Object.create(null), + + + client: undefined, + + + asyncPostInit: async function ff(){ + if(ff.isReady instanceof Promise) return ff.isReady; + let lia = sqlite3ApiBootstrap.initializersAsync; + delete sqlite3ApiBootstrap.initializersAsync; + const postInit = async ()=>{ + if(!sqlite3.__isUnderTest){ + + delete sqlite3.util; + + delete sqlite3.StructBinder; + } + return sqlite3; + }; + const catcher = (e)=>{ + config.error("an async sqlite3 initializer failed:",e); + throw e; + }; + if(!lia || !lia.length){ + return ff.isReady = postInit().catch(catcher); + } + lia = lia.map((f)=>{ + return (f instanceof Function) ? async x=>f(sqlite3) : f; + }); + lia.push(postInit); + let p = Promise.resolve(sqlite3); + while(lia.length) p = p.then(lia.shift()); + return ff.isReady = p.catch(catcher); + }, + + scriptInfo: undefined + }; + try{ + sqlite3ApiBootstrap.initializers.forEach((f)=>{ + f(sqlite3); + }); + }catch(e){ + + console.error("sqlite3 bootstrap initializer threw:",e); + throw e; + } + delete sqlite3ApiBootstrap.initializers; + sqlite3ApiBootstrap.sqlite3 = sqlite3; + return sqlite3; +}; + +globalThis.sqlite3ApiBootstrap.initializers = []; + +globalThis.sqlite3ApiBootstrap.initializersAsync = []; + +globalThis.sqlite3ApiBootstrap.defaultConfig = Object.create(null); + +globalThis.sqlite3ApiBootstrap.sqlite3 = undefined; + + + + +globalThis.WhWasmUtilInstaller = function(target){ + 'use strict'; + if(undefined===target.bigIntEnabled){ + target.bigIntEnabled = !!globalThis['BigInt64Array']; + } + + + const toss = (...args)=>{throw new Error(args.join(' '))}; + + if(!target.exports){ + Object.defineProperty(target, 'exports', { + enumerable: true, configurable: true, + get: ()=>(target.instance && target.instance.exports) + }); + } + + + + + + const ptrIR = target.pointerIR || 'i32'; + const ptrSizeof = target.ptrSizeof = + ('i32'===ptrIR ? 4 + : ('i64'===ptrIR + ? 8 : toss("Unhandled ptrSizeof:",ptrIR))); + + const cache = Object.create(null); + + cache.heapSize = 0; + + cache.memory = null; + + cache.freeFuncIndexes = []; + + cache.scopedAlloc = []; + + cache.utf8Decoder = new TextDecoder(); + cache.utf8Encoder = new TextEncoder('utf-8'); + + + target.sizeofIR = (n)=>{ + switch(n){ + case 'i8': return 1; + case 'i16': return 2; + case 'i32': case 'f32': case 'float': return 4; + case 'i64': case 'f64': case 'double': return 8; + case '*': return ptrSizeof; + default: + return (''+n).endsWith('*') ? ptrSizeof : undefined; + } + }; + + + const heapWrappers = function(){ + if(!cache.memory){ + cache.memory = (target.memory instanceof WebAssembly.Memory) + ? target.memory : target.exports.memory; + }else if(cache.heapSize === cache.memory.buffer.byteLength){ + return cache; + } + + const b = cache.memory.buffer; + cache.HEAP8 = new Int8Array(b); cache.HEAP8U = new Uint8Array(b); + cache.HEAP16 = new Int16Array(b); cache.HEAP16U = new Uint16Array(b); + cache.HEAP32 = new Int32Array(b); cache.HEAP32U = new Uint32Array(b); + if(target.bigIntEnabled){ + cache.HEAP64 = new BigInt64Array(b); cache.HEAP64U = new BigUint64Array(b); + } + cache.HEAP32F = new Float32Array(b); cache.HEAP64F = new Float64Array(b); + cache.heapSize = b.byteLength; + return cache; + }; + + + target.heap8 = ()=>heapWrappers().HEAP8; + + + target.heap8u = ()=>heapWrappers().HEAP8U; + + + target.heap16 = ()=>heapWrappers().HEAP16; + + + target.heap16u = ()=>heapWrappers().HEAP16U; + + + target.heap32 = ()=>heapWrappers().HEAP32; + + + target.heap32u = ()=>heapWrappers().HEAP32U; + + + target.heapForSize = function(n,unsigned = true){ + let ctor; + const c = (cache.memory && cache.heapSize === cache.memory.buffer.byteLength) + ? cache : heapWrappers(); + switch(n){ + case Int8Array: return c.HEAP8; case Uint8Array: return c.HEAP8U; + case Int16Array: return c.HEAP16; case Uint16Array: return c.HEAP16U; + case Int32Array: return c.HEAP32; case Uint32Array: return c.HEAP32U; + case 8: return unsigned ? c.HEAP8U : c.HEAP8; + case 16: return unsigned ? c.HEAP16U : c.HEAP16; + case 32: return unsigned ? c.HEAP32U : c.HEAP32; + case 64: + if(c.HEAP64) return unsigned ? c.HEAP64U : c.HEAP64; + break; + default: + if(target.bigIntEnabled){ + if(n===globalThis['BigUint64Array']) return c.HEAP64U; + else if(n===globalThis['BigInt64Array']) return c.HEAP64; + break; + } + } + toss("Invalid heapForSize() size: expecting 8, 16, 32,", + "or (if BigInt is enabled) 64."); + }; + + + target.functionTable = function(){ + return target.exports.__indirect_function_table; + + }; + + + target.functionEntry = function(fptr){ + const ft = target.functionTable(); + return fptr < ft.length ? ft.get(fptr) : undefined; + }; + + + target.jsFuncToWasm = function f(func, sig){ + + if(!f._){ + f._ = { + + sigTypes: Object.assign(Object.create(null),{ + i: 'i32', p: 'i32', P: 'i32', s: 'i32', + j: 'i64', f: 'f32', d: 'f64' + }), + + typeCodes: Object.assign(Object.create(null),{ + f64: 0x7c, f32: 0x7d, i64: 0x7e, i32: 0x7f + }), + + uleb128Encode: function(tgt, method, n){ + if(n<128) tgt[method](n); + else tgt[method]( (n % 128) | 128, n>>7); + }, + + rxJSig: /^(\w)\((\w*)\)$/, + + sigParams: function(sig){ + const m = f._.rxJSig.exec(sig); + return m ? m[2] : sig.substr(1); + }, + + letterType: (x)=>f._.sigTypes[x] || toss("Invalid signature letter:",x), + + + + pushSigType: (dest, letter)=>dest.push(f._.typeCodes[f._.letterType(letter)]) + }; + } + if('string'===typeof func){ + const x = sig; + sig = func; + func = x; + } + const sigParams = f._.sigParams(sig); + const wasmCode = [0x01, 0x60]; + f._.uleb128Encode(wasmCode, 'push', sigParams.length); + for(const x of sigParams) f._.pushSigType(wasmCode, x); + if('v'===sig[0]) wasmCode.push(0); + else{ + wasmCode.push(1); + f._.pushSigType(wasmCode, sig[0]); + } + f._.uleb128Encode(wasmCode, 'unshift', wasmCode.length); + wasmCode.unshift( + 0x00, 0x61, 0x73, 0x6d, + 0x01, 0x00, 0x00, 0x00, + 0x01 + ); + wasmCode.push( + 0x02, 0x07, + + 0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00, + 0x07, 0x05, + + 0x01, 0x01, 0x66, 0x00, 0x00 + ); + return (new WebAssembly.Instance( + new WebAssembly.Module(new Uint8Array(wasmCode)), { + e: { f: func } + })).exports['f']; + }; + + + const __installFunction = function f(func, sig, scoped){ + if(scoped && !cache.scopedAlloc.length){ + toss("No scopedAllocPush() scope is active."); + } + if('string'===typeof func){ + const x = sig; + sig = func; + func = x; + } + if('string'!==typeof sig || !(func instanceof Function)){ + toss("Invalid arguments: expecting (function,signature) "+ + "or (signature,function)."); + } + const ft = target.functionTable(); + const oldLen = ft.length; + let ptr; + while(cache.freeFuncIndexes.length){ + ptr = cache.freeFuncIndexes.pop(); + if(ft.get(ptr)){ + ptr = null; + continue; + }else{ + break; + } + } + if(!ptr){ + ptr = oldLen; + ft.grow(1); + } + try{ + + ft.set(ptr, func); + if(scoped){ + cache.scopedAlloc[cache.scopedAlloc.length-1].push(ptr); + } + return ptr; + }catch(e){ + if(!(e instanceof TypeError)){ + if(ptr===oldLen) cache.freeFuncIndexes.push(oldLen); + throw e; + } + } + + try { + const fptr = target.jsFuncToWasm(func, sig); + ft.set(ptr, fptr); + if(scoped){ + cache.scopedAlloc[cache.scopedAlloc.length-1].push(ptr); + } + }catch(e){ + if(ptr===oldLen) cache.freeFuncIndexes.push(oldLen); + throw e; + } + return ptr; + }; + + + target.installFunction = (func, sig)=>__installFunction(func, sig, false); + + + target.scopedInstallFunction = (func, sig)=>__installFunction(func, sig, true); + + + target.uninstallFunction = function(ptr){ + if(!ptr && 0!==ptr) return undefined; + const fi = cache.freeFuncIndexes; + const ft = target.functionTable(); + fi.push(ptr); + const rc = ft.get(ptr); + ft.set(ptr, null); + return rc; + }; + + + target.peek = function f(ptr, type='i8'){ + if(type.endsWith('*')) type = ptrIR; + const c = (cache.memory && cache.heapSize === cache.memory.buffer.byteLength) + ? cache : heapWrappers(); + const list = Array.isArray(ptr) ? [] : undefined; + let rc; + do{ + if(list) ptr = arguments[0].shift(); + switch(type){ + case 'i1': + case 'i8': rc = c.HEAP8[ptr>>0]; break; + case 'i16': rc = c.HEAP16[ptr>>1]; break; + case 'i32': rc = c.HEAP32[ptr>>2]; break; + case 'float': case 'f32': rc = c.HEAP32F[ptr>>2]; break; + case 'double': case 'f64': rc = Number(c.HEAP64F[ptr>>3]); break; + case 'i64': + if(target.bigIntEnabled){ + rc = BigInt(c.HEAP64[ptr>>3]); + break; + } + + default: + toss('Invalid type for peek():',type); + } + if(list) list.push(rc); + }while(list && arguments[0].length); + return list || rc; + }; + + + target.poke = function(ptr, value, type='i8'){ + if (type.endsWith('*')) type = ptrIR; + const c = (cache.memory && cache.heapSize === cache.memory.buffer.byteLength) + ? cache : heapWrappers(); + for(const p of (Array.isArray(ptr) ? ptr : [ptr])){ + switch (type) { + case 'i1': + case 'i8': c.HEAP8[p>>0] = value; continue; + case 'i16': c.HEAP16[p>>1] = value; continue; + case 'i32': c.HEAP32[p>>2] = value; continue; + case 'float': case 'f32': c.HEAP32F[p>>2] = value; continue; + case 'double': case 'f64': c.HEAP64F[p>>3] = value; continue; + case 'i64': + if(c.HEAP64){ + c.HEAP64[p>>3] = BigInt(value); + continue; + } + + default: + toss('Invalid type for poke(): ' + type); + } + } + return this; + }; + + + target.peekPtr = (...ptr)=>target.peek( (1===ptr.length ? ptr[0] : ptr), ptrIR ); + + + target.pokePtr = (ptr, value=0)=>target.poke(ptr, value, ptrIR); + + + target.peek8 = (...ptr)=>target.peek( (1===ptr.length ? ptr[0] : ptr), 'i8' ); + + target.poke8 = (ptr, value)=>target.poke(ptr, value, 'i8'); + + target.peek16 = (...ptr)=>target.peek( (1===ptr.length ? ptr[0] : ptr), 'i16' ); + + target.poke16 = (ptr, value)=>target.poke(ptr, value, 'i16'); + + target.peek32 = (...ptr)=>target.peek( (1===ptr.length ? ptr[0] : ptr), 'i32' ); + + target.poke32 = (ptr, value)=>target.poke(ptr, value, 'i32'); + + target.peek64 = (...ptr)=>target.peek( (1===ptr.length ? ptr[0] : ptr), 'i64' ); + + target.poke64 = (ptr, value)=>target.poke(ptr, value, 'i64'); + + target.peek32f = (...ptr)=>target.peek( (1===ptr.length ? ptr[0] : ptr), 'f32' ); + + target.poke32f = (ptr, value)=>target.poke(ptr, value, 'f32'); + + target.peek64f = (...ptr)=>target.peek( (1===ptr.length ? ptr[0] : ptr), 'f64' ); + + target.poke64f = (ptr, value)=>target.poke(ptr, value, 'f64'); + + + target.getMemValue = target.peek; + + target.getPtrValue = target.peekPtr; + + target.setMemValue = target.poke; + + target.setPtrValue = target.pokePtr; + + + target.isPtr32 = (ptr)=>('number'===typeof ptr && (ptr===(ptr|0)) && ptr>=0); + + + target.isPtr = target.isPtr32; + + + target.cstrlen = function(ptr){ + if(!ptr || !target.isPtr(ptr)) return null; + const h = heapWrappers().HEAP8U; + let pos = ptr; + for( ; h[pos] !== 0; ++pos ){} + return pos - ptr; + }; + + + const __SAB = ('undefined'===typeof SharedArrayBuffer) + ? function(){} : SharedArrayBuffer; + const __utf8Decode = function(arrayBuffer, begin, end){ + return cache.utf8Decoder.decode( + (arrayBuffer.buffer instanceof __SAB) + ? arrayBuffer.slice(begin, end) + : arrayBuffer.subarray(begin, end) + ); + }; + + + target.cstrToJs = function(ptr){ + const n = target.cstrlen(ptr); + return n ? __utf8Decode(heapWrappers().HEAP8U, ptr, ptr+n) : (null===n ? n : ""); + }; + + + target.jstrlen = function(str){ + + if('string'!==typeof str) return null; + const n = str.length; + let len = 0; + for(let i = 0; i < n; ++i){ + let u = str.charCodeAt(i); + 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; + }; + + + target.jstrcpy = function(jstr, tgt, offset = 0, maxBytes = -1, addNul = true){ + + if(!tgt || (!(tgt instanceof Int8Array) && !(tgt instanceof Uint8Array))){ + toss("jstrcpy() target must be an Int8Array or Uint8Array."); + } + if(maxBytes<0) maxBytes = tgt.length - offset; + if(!(maxBytes>0) || !(offset>=0)) return 0; + let i = 0, max = jstr.length; + const begin = offset, end = offset + maxBytes - (addNul ? 1 : 0); + for(; i < max && offset < end; ++i){ + let u = jstr.charCodeAt(i); + if(u>=0xd800 && u<=0xdfff){ + u = 0x10000 + ((u & 0x3FF) << 10) | (jstr.charCodeAt(++i) & 0x3FF); + } + if(u<=0x7f){ + if(offset >= end) break; + tgt[offset++] = u; + }else if(u<=0x7ff){ + if(offset + 1 >= end) break; + tgt[offset++] = 0xC0 | (u >> 6); + tgt[offset++] = 0x80 | (u & 0x3f); + }else if(u<=0xffff){ + if(offset + 2 >= end) break; + tgt[offset++] = 0xe0 | (u >> 12); + tgt[offset++] = 0x80 | ((u >> 6) & 0x3f); + tgt[offset++] = 0x80 | (u & 0x3f); + }else{ + if(offset + 3 >= end) break; + tgt[offset++] = 0xf0 | (u >> 18); + tgt[offset++] = 0x80 | ((u >> 12) & 0x3f); + tgt[offset++] = 0x80 | ((u >> 6) & 0x3f); + tgt[offset++] = 0x80 | (u & 0x3f); + } + } + if(addNul) tgt[offset++] = 0; + return offset - begin; + }; + + + target.cstrncpy = function(tgtPtr, srcPtr, n){ + if(!tgtPtr || !srcPtr) toss("cstrncpy() does not accept NULL strings."); + if(n<0) n = target.cstrlen(strPtr)+1; + else if(!(n>0)) return 0; + const heap = target.heap8u(); + let i = 0, ch; + for(; i < n && (ch = heap[srcPtr+i]); ++i){ + heap[tgtPtr+i] = ch; + } + if(i{ + return cache.utf8Encoder.encode(addNul ? (str+"\0") : str); + + + + + + + + + + + + + + + + + + + + + + + + + + }; + + const __affirmAlloc = (obj,funcName)=>{ + if(!(obj.alloc instanceof Function) || + !(obj.dealloc instanceof Function)){ + toss("Object is missing alloc() and/or dealloc() function(s)", + "required by",funcName+"()."); + } + }; + + const __allocCStr = function(jstr, returnWithLength, allocator, funcName){ + __affirmAlloc(target, funcName); + if('string'!==typeof jstr) return null; + if(0){ + const n = target.jstrlen(jstr), + ptr = allocator(n+1); + target.jstrcpy(jstr, target.heap8u(), ptr, n+1, true); + return returnWithLength ? [ptr, n] : ptr; + }else{ + const u = cache.utf8Encoder.encode(jstr), + ptr = allocator(u.length+1), + heap = heapWrappers().HEAP8U; + heap.set(u, ptr); + heap[ptr + u.length] = 0; + return returnWithLength ? [ptr, u.length] : ptr; + } + }; + + + target.allocCString = + (jstr, returnWithLength=false)=>__allocCStr(jstr, returnWithLength, + target.alloc, 'allocCString()'); + + + target.scopedAllocPush = function(){ + __affirmAlloc(target, 'scopedAllocPush'); + const a = []; + cache.scopedAlloc.push(a); + return a; + }; + + + target.scopedAllocPop = function(state){ + __affirmAlloc(target, 'scopedAllocPop'); + const n = arguments.length + ? cache.scopedAlloc.indexOf(state) + : cache.scopedAlloc.length-1; + if(n<0) toss("Invalid state object for scopedAllocPop()."); + if(0===arguments.length) state = cache.scopedAlloc[n]; + cache.scopedAlloc.splice(n,1); + for(let p; (p = state.pop()); ){ + if(target.functionEntry(p)){ + + target.uninstallFunction(p); + } + else target.dealloc(p); + } + }; + + + target.scopedAlloc = function(n){ + if(!cache.scopedAlloc.length){ + toss("No scopedAllocPush() scope is active."); + } + const p = target.alloc(n); + cache.scopedAlloc[cache.scopedAlloc.length-1].push(p); + return p; + }; + + Object.defineProperty(target.scopedAlloc, 'level', { + configurable: false, enumerable: false, + get: ()=>cache.scopedAlloc.length, + set: ()=>toss("The 'active' property is read-only.") + }); + + + target.scopedAllocCString = + (jstr, returnWithLength=false)=>__allocCStr(jstr, returnWithLength, + target.scopedAlloc, 'scopedAllocCString()'); + + + const __allocMainArgv = function(isScoped, list){ + const pList = target[ + isScoped ? 'scopedAlloc' : 'alloc' + ]((list.length + 1) * target.ptrSizeof); + let i = 0; + list.forEach((e)=>{ + target.pokePtr(pList + (target.ptrSizeof * i++), + target[ + isScoped ? 'scopedAllocCString' : 'allocCString' + ](""+e)); + }); + target.pokePtr(pList + (target.ptrSizeof * i), 0); + return pList; + }; + + + target.scopedAllocMainArgv = (list)=>__allocMainArgv(true, list); + + + target.allocMainArgv = (list)=>__allocMainArgv(false, list); + + + target.cArgvToJs = (argc, pArgv)=>{ + const list = []; + for(let i = 0; i < argc; ++i){ + const arg = target.peekPtr(pArgv + (target.ptrSizeof * i)); + list.push( arg ? target.cstrToJs(arg) : null ); + } + return list; + }; + + + target.scopedAllocCall = function(func){ + target.scopedAllocPush(); + try{ return func() } finally{ target.scopedAllocPop() } + }; + + + const __allocPtr = function(howMany, safePtrSize, method){ + __affirmAlloc(target, method); + const pIr = safePtrSize ? 'i64' : ptrIR; + let m = target[method](howMany * (safePtrSize ? 8 : ptrSizeof)); + target.poke(m, 0, pIr) + if(1===howMany){ + return m; + } + const a = [m]; + for(let i = 1; i < howMany; ++i){ + m += (safePtrSize ? 8 : ptrSizeof); + a[i] = m; + target.poke(m, 0, pIr); + } + return a; + }; + + + target.allocPtr = + (howMany=1, safePtrSize=true)=>__allocPtr(howMany, safePtrSize, 'alloc'); + + + target.scopedAllocPtr = + (howMany=1, safePtrSize=true)=>__allocPtr(howMany, safePtrSize, 'scopedAlloc'); + + + target.xGet = function(name){ + return target.exports[name] || toss("Cannot find exported symbol:",name); + }; + + const __argcMismatch = + (f,n)=>toss(f+"() requires",n,"argument(s)."); + + + target.xCall = function(fname, ...args){ + const f = target.xGet(fname); + if(!(f instanceof Function)) toss("Exported symbol",fname,"is not a function."); + if(f.length!==args.length) __argcMismatch(fname,f.length) + ; + return (2===arguments.length && Array.isArray(arguments[1])) + ? f.apply(null, arguments[1]) + : f.apply(null, args); + }; + + + cache.xWrap = Object.create(null); + cache.xWrap.convert = Object.create(null); + + cache.xWrap.convert.arg = new Map; + + cache.xWrap.convert.result = new Map; + const xArg = cache.xWrap.convert.arg, xResult = cache.xWrap.convert.result; + + if(target.bigIntEnabled){ + xArg.set('i64', (i)=>BigInt(i)); + } + const __xArgPtr = 'i32' === ptrIR + ? ((i)=>(i | 0)) : ((i)=>(BigInt(i) | BigInt(0))); + xArg.set('i32', __xArgPtr ) + .set('i16', (i)=>((i | 0) & 0xFFFF)) + .set('i8', (i)=>((i | 0) & 0xFF)) + .set('f32', (i)=>Number(i).valueOf()) + .set('float', xArg.get('f32')) + .set('f64', xArg.get('f32')) + .set('double', xArg.get('f64')) + .set('int', xArg.get('i32')) + .set('null', (i)=>i) + .set(null, xArg.get('null')) + .set('**', __xArgPtr) + .set('*', __xArgPtr); + xResult.set('*', __xArgPtr) + .set('pointer', __xArgPtr) + .set('number', (v)=>Number(v)) + .set('void', (v)=>undefined) + .set('null', (v)=>v) + .set(null, xResult.get('null')); + + { + const copyToResult = ['i8', 'i16', 'i32', 'int', + 'f32', 'float', 'f64', 'double']; + if(target.bigIntEnabled) copyToResult.push('i64'); + const adaptPtr = xArg.get(ptrIR); + for(const t of copyToResult){ + xArg.set(t+'*', adaptPtr); + xResult.set(t+'*', adaptPtr); + xResult.set(t, (xArg.get(t) || toss("Missing arg converter:",t))); + } + } + + + const __xArgString = function(v){ + if('string'===typeof v) return target.scopedAllocCString(v); + return v ? __xArgPtr(v) : null; + }; + xArg.set('string', __xArgString) + .set('utf8', __xArgString) + .set('pointer', __xArgString); + + + xResult.set('string', (i)=>target.cstrToJs(i)) + .set('utf8', xResult.get('string')) + .set('string:dealloc', (i)=>{ + try { return i ? target.cstrToJs(i) : null } + finally{ target.dealloc(i) } + }) + .set('utf8:dealloc', xResult.get('string:dealloc')) + .set('json', (i)=>JSON.parse(target.cstrToJs(i))) + .set('json:dealloc', (i)=>{ + try{ return i ? JSON.parse(target.cstrToJs(i)) : null } + finally{ target.dealloc(i) } + }); + + + const AbstractArgAdapter = class { + constructor(opt){ + this.name = opt.name || 'unnamed adapter'; + } + + convertArg(v,argv,argIndex){ + toss("AbstractArgAdapter must be subclassed."); + } + }; + + + xArg.FuncPtrAdapter = class FuncPtrAdapter extends AbstractArgAdapter { + constructor(opt) { + super(opt); + if(xArg.FuncPtrAdapter.warnOnUse){ + console.warn('xArg.FuncPtrAdapter is an internal-only API', + 'and is not intended to be invoked from', + 'client-level code. Invoked with:',opt); + } + this.name = opt.name || "unnamed"; + this.signature = opt.signature; + if(opt.contextKey instanceof Function){ + this.contextKey = opt.contextKey; + if(!opt.bindScope) opt.bindScope = 'context'; + } + this.bindScope = opt.bindScope + || toss("FuncPtrAdapter options requires a bindScope (explicit or implied)."); + if(FuncPtrAdapter.bindScopes.indexOf(opt.bindScope)<0){ + toss("Invalid options.bindScope ("+opt.bindMod+") for FuncPtrAdapter. "+ + "Expecting one of: ("+FuncPtrAdapter.bindScopes.join(', ')+')'); + } + this.isTransient = 'transient'===this.bindScope; + this.isContext = 'context'===this.bindScope; + this.isPermanent = 'permanent'===this.bindScope; + this.singleton = ('singleton'===this.bindScope) ? [] : undefined; + + this.callProxy = (opt.callProxy instanceof Function) + ? opt.callProxy : undefined; + } + + + + + contextKey(argv,argIndex){ + return this; + } + + + contextMap(key){ + const cm = (this.__cmap || (this.__cmap = new Map)); + let rc = cm.get(key); + if(undefined===rc) cm.set(key, (rc = [])); + return rc; + } + + + convertArg(v,argv,argIndex){ + + let pair = this.singleton; + if(!pair && this.isContext){ + pair = this.contextMap(this.contextKey(argv,argIndex)); + + } + if(pair && pair[0]===v) return pair[1]; + if(v instanceof Function){ + + + if(this.callProxy) v = this.callProxy(v); + const fp = __installFunction(v, this.signature, this.isTransient); + if(FuncPtrAdapter.debugFuncInstall){ + FuncPtrAdapter.debugOut("FuncPtrAdapter installed", this, + this.contextKey(argv,argIndex), '@'+fp, v); + } + if(pair){ + + if(pair[1]){ + if(FuncPtrAdapter.debugFuncInstall){ + FuncPtrAdapter.debugOut("FuncPtrAdapter uninstalling", this, + this.contextKey(argv,argIndex), '@'+pair[1], v); + } + try{ + + cache.scopedAlloc[cache.scopedAlloc.length-1].push(pair[1]); + } + catch(e){} + } + pair[0] = v; + pair[1] = fp; + } + return fp; + }else if(target.isPtr(v) || null===v || undefined===v){ + + if(pair && pair[1] && pair[1]!==v){ + + if(FuncPtrAdapter.debugFuncInstall){ + FuncPtrAdapter.debugOut("FuncPtrAdapter uninstalling", this, + this.contextKey(argv,argIndex), '@'+pair[1], v); + } + try{ cache.scopedAlloc[cache.scopedAlloc.length-1].push(pair[1]) } + catch(e){} + pair[0] = pair[1] = (v | 0); + } + return v || 0; + }else{ + throw new TypeError("Invalid FuncPtrAdapter argument type. "+ + "Expecting a function pointer or a "+ + (this.name ? this.name+' ' : '')+ + "function matching signature "+ + this.signature+"."); + } + } + }; + + + xArg.FuncPtrAdapter.warnOnUse = false; + + + xArg.FuncPtrAdapter.debugFuncInstall = false; + + + xArg.FuncPtrAdapter.debugOut = console.debug.bind(console); + + xArg.FuncPtrAdapter.bindScopes = [ + 'transient', 'context', 'singleton', 'permanent' + ]; + + const __xArgAdapterCheck = + (t)=>xArg.get(t) || toss("Argument adapter not found:",t); + + const __xResultAdapterCheck = + (t)=>xResult.get(t) || toss("Result adapter not found:",t); + + cache.xWrap.convertArg = (t,...args)=>__xArgAdapterCheck(t)(...args); + cache.xWrap.convertArgNoCheck = (t,...args)=>xArg.get(t)(...args); + + cache.xWrap.convertResult = + (t,v)=>(null===t ? v : (t ? __xResultAdapterCheck(t)(v) : undefined)); + cache.xWrap.convertResultNoCheck = + (t,v)=>(null===t ? v : (t ? xResult.get(t)(v) : undefined)); + + + target.xWrap = function(fArg, resultType, ...argTypes){ + if(3===arguments.length && Array.isArray(arguments[2])){ + argTypes = arguments[2]; + } + if(target.isPtr(fArg)){ + fArg = target.functionEntry(fArg) + || toss("Function pointer not found in WASM function table."); + } + const fIsFunc = (fArg instanceof Function); + const xf = fIsFunc ? fArg : target.xGet(fArg); + if(fIsFunc) fArg = xf.name || 'unnamed function'; + if(argTypes.length!==xf.length) __argcMismatch(fArg, xf.length); + if((null===resultType) && 0===xf.length){ + + return xf; + } + ; + if(undefined!==resultType && null!==resultType) __xResultAdapterCheck(resultType); + for(const t of argTypes){ + if(t instanceof AbstractArgAdapter) xArg.set(t, (...args)=>t.convertArg(...args)); + else __xArgAdapterCheck(t); + } + const cxw = cache.xWrap; + if(0===xf.length){ + + return (...args)=>(args.length + ? __argcMismatch(fArg, xf.length) + : cxw.convertResult(resultType, xf.call(null))); + } + return function(...args){ + if(args.length!==xf.length) __argcMismatch(fArg, xf.length); + const scope = target.scopedAllocPush(); + try{ + + for(const i in args) args[i] = cxw.convertArgNoCheck( + argTypes[i], args[i], args, i + ); + return cxw.convertResultNoCheck(resultType, xf.apply(null,args)); + }finally{ + target.scopedAllocPop(scope); + } + }; + }; + + + const __xAdapter = function(func, argc, typeName, adapter, modeName, xcvPart){ + if('string'===typeof typeName){ + if(1===argc) return xcvPart.get(typeName); + else if(2===argc){ + if(!adapter){ + delete xcvPart.get(typeName); + return func; + }else if(!(adapter instanceof Function)){ + toss(modeName,"requires a function argument."); + } + xcvPart.set(typeName, adapter); + return func; + } + } + toss("Invalid arguments to",modeName); + }; + + + target.xWrap.resultAdapter = function f(typeName, adapter){ + return __xAdapter(f, arguments.length, typeName, adapter, + 'resultAdapter()', xResult); + }; + + + target.xWrap.argAdapter = function f(typeName, adapter){ + return __xAdapter(f, arguments.length, typeName, adapter, + 'argAdapter()', xArg); + }; + + target.xWrap.FuncPtrAdapter = xArg.FuncPtrAdapter; + + + target.xCallWrapped = function(fArg, resultType, argTypes, ...args){ + if(Array.isArray(arguments[3])) args = arguments[3]; + return target.xWrap(fArg, resultType, argTypes||[]).apply(null, args||[]); + }; + + + target.xWrap.testConvertArg = cache.xWrap.convertArg; + + + target.xWrap.testConvertResult = cache.xWrap.convertResult; + + return target; +}; + + +globalThis.WhWasmUtilInstaller.yawl = function(config){ + const wfetch = ()=>fetch(config.uri, {credentials: 'same-origin'}); + const wui = this; + const finalThen = function(arg){ + + if(config.wasmUtilTarget){ + const toss = (...args)=>{throw new Error(args.join(' '))}; + const tgt = config.wasmUtilTarget; + tgt.module = arg.module; + tgt.instance = arg.instance; + + if(!tgt.instance.exports.memory){ + + tgt.memory = (config.imports && config.imports.env + && config.imports.env.memory) + || toss("Missing 'memory' object!"); + } + if(!tgt.alloc && arg.instance.exports.malloc){ + const exports = arg.instance.exports; + tgt.alloc = function(n){ + return exports.malloc(n) || toss("Allocation of",n,"bytes failed."); + }; + tgt.dealloc = function(m){exports.free(m)}; + } + wui(tgt); + } + if(config.onload) config.onload(arg,config); + return arg ; + }; + const loadWasm = WebAssembly.instantiateStreaming + ? function loadWasmStreaming(){ + return WebAssembly.instantiateStreaming(wfetch(), config.imports||{}) + .then(finalThen); + } + : function loadWasmOldSchool(){ + return wfetch() + .then(response => response.arrayBuffer()) + .then(bytes => WebAssembly.instantiate(bytes, config.imports||{})) + .then(finalThen); + }; + return loadWasm; +}.bind(globalThis.WhWasmUtilInstaller); + + + +'use strict'; +globalThis.Jaccwabyt = function StructBinderFactory(config){ + + + + const toss = (...args)=>{throw new Error(args.join(' '))}; + + + if(!(config.heap instanceof WebAssembly.Memory) + && !(config.heap instanceof Function)){ + toss("config.heap must be WebAssembly.Memory instance or a function."); + } + ['alloc','dealloc'].forEach(function(k){ + (config[k] instanceof Function) || + toss("Config option '"+k+"' must be a function."); + }); + const SBF = StructBinderFactory; + const heap = (config.heap instanceof Function) + ? config.heap : (()=>new Uint8Array(config.heap.buffer)), + alloc = config.alloc, + dealloc = config.dealloc, + log = config.log || console.log.bind(console), + memberPrefix = (config.memberPrefix || ""), + memberSuffix = (config.memberSuffix || ""), + bigIntEnabled = (undefined===config.bigIntEnabled + ? !!globalThis['BigInt64Array'] : !!config.bigIntEnabled), + BigInt = globalThis['BigInt'], + BigInt64Array = globalThis['BigInt64Array'], + + ptrSizeof = config.ptrSizeof || 4, + ptrIR = config.ptrIR || 'i32' + ; + + if(!SBF.debugFlags){ + SBF.__makeDebugFlags = function(deriveFrom=null){ + + if(deriveFrom && deriveFrom.__flags) deriveFrom = deriveFrom.__flags; + const f = function f(flags){ + if(0===arguments.length){ + return f.__flags; + } + if(flags<0){ + delete f.__flags.getter; delete f.__flags.setter; + delete f.__flags.alloc; delete f.__flags.dealloc; + }else{ + f.__flags.getter = 0!==(0x01 & flags); + f.__flags.setter = 0!==(0x02 & flags); + f.__flags.alloc = 0!==(0x04 & flags); + f.__flags.dealloc = 0!==(0x08 & flags); + } + return f._flags; + }; + Object.defineProperty(f,'__flags', { + iterable: false, writable: false, + value: Object.create(deriveFrom) + }); + if(!deriveFrom) f(0); + return f; + }; + SBF.debugFlags = SBF.__makeDebugFlags(); + } + + const isLittleEndian = (function() { + const buffer = new ArrayBuffer(2); + new DataView(buffer).setInt16(0, 256, true ); + + return new Int16Array(buffer)[0] === 256; + })(); + + + + const isFuncSig = (s)=>'('===s[1]; + + const isPtrSig = (s)=>'p'===s || 'P'===s; + const isAutoPtrSig = (s)=>'P'===s ; + const sigLetter = (s)=>isFuncSig(s) ? 'p' : s[0]; + + const sigIR = function(s){ + switch(sigLetter(s)){ + case 'c': case 'C': return 'i8'; + case 'i': return 'i32'; + case 'p': case 'P': case 's': return ptrIR; + case 'j': return 'i64'; + case 'f': return 'float'; + case 'd': return 'double'; + } + toss("Unhandled signature IR:",s); + }; + + const affirmBigIntArray = BigInt64Array + ? ()=>true : ()=>toss('BigInt64Array is not available.'); + + const sigDVGetter = function(s){ + switch(sigLetter(s)) { + case 'p': case 'P': case 's': { + switch(ptrSizeof){ + case 4: return 'getInt32'; + case 8: return affirmBigIntArray() && 'getBigInt64'; + } + break; + } + case 'i': return 'getInt32'; + case 'c': return 'getInt8'; + case 'C': return 'getUint8'; + case 'j': return affirmBigIntArray() && 'getBigInt64'; + case 'f': return 'getFloat32'; + case 'd': return 'getFloat64'; + } + toss("Unhandled DataView getter for signature:",s); + }; + + const sigDVSetter = function(s){ + switch(sigLetter(s)){ + case 'p': case 'P': case 's': { + switch(ptrSizeof){ + case 4: return 'setInt32'; + case 8: return affirmBigIntArray() && 'setBigInt64'; + } + break; + } + case 'i': return 'setInt32'; + case 'c': return 'setInt8'; + case 'C': return 'setUint8'; + case 'j': return affirmBigIntArray() && 'setBigInt64'; + case 'f': return 'setFloat32'; + case 'd': return 'setFloat64'; + } + toss("Unhandled DataView setter for signature:",s); + }; + + const sigDVSetWrapper = function(s){ + switch(sigLetter(s)) { + case 'i': case 'f': case 'c': case 'C': case 'd': return Number; + case 'j': return affirmBigIntArray() && BigInt; + case 'p': case 'P': case 's': + switch(ptrSizeof){ + case 4: return Number; + case 8: return affirmBigIntArray() && BigInt; + } + break; + } + toss("Unhandled DataView set wrapper for signature:",s); + }; + + + const sPropName = (s,k)=>s+'::'+k; + + const __propThrowOnSet = function(structName,propName){ + return ()=>toss(sPropName(structName,propName),"is read-only."); + }; + + + const __instancePointerMap = new WeakMap(); + + + const xPtrPropName = '(pointer-is-external)'; + + + const __freeStruct = function(ctor, obj, m){ + if(!m) m = __instancePointerMap.get(obj); + if(m) { + __instancePointerMap.delete(obj); + if(Array.isArray(obj.ondispose)){ + let x; + while((x = obj.ondispose.shift())){ + try{ + if(x instanceof Function) x.call(obj); + else if(x instanceof StructType) x.dispose(); + else if('number' === typeof x) dealloc(x); + + + }catch(e){ + console.warn("ondispose() for",ctor.structName,'@', + m,'threw. NOT propagating it.',e); + } + } + }else if(obj.ondispose instanceof Function){ + try{obj.ondispose()} + catch(e){ + + console.warn("ondispose() for",ctor.structName,'@', + m,'threw. NOT propagating it.',e); + } + } + delete obj.ondispose; + if(ctor.debugFlags.__flags.dealloc){ + log("debug.dealloc:",(obj[xPtrPropName]?"EXTERNAL":""), + ctor.structName,"instance:", + ctor.structInfo.sizeof,"bytes @"+m); + } + if(!obj[xPtrPropName]) dealloc(m); + } + }; + + + const rop = (v)=>{return {configurable: false, writable: false, + iterable: false, value: v}}; + + + const __allocStruct = function(ctor, obj, m){ + let fill = !m; + if(m) Object.defineProperty(obj, xPtrPropName, rop(m)); + else{ + m = alloc(ctor.structInfo.sizeof); + if(!m) toss("Allocation of",ctor.structName,"structure failed."); + } + try { + if(ctor.debugFlags.__flags.alloc){ + log("debug.alloc:",(fill?"":"EXTERNAL"), + ctor.structName,"instance:", + ctor.structInfo.sizeof,"bytes @"+m); + } + if(fill) heap().fill(0, m, m + ctor.structInfo.sizeof); + __instancePointerMap.set(obj, m); + }catch(e){ + __freeStruct(ctor, obj, m); + throw e; + } + }; + + const __memoryDump = function(){ + const p = this.pointer; + return p + ? new Uint8Array(heap().slice(p, p+this.structInfo.sizeof)) + : null; + }; + + const __memberKey = (k)=>memberPrefix + k + memberSuffix; + const __memberKeyProp = rop(__memberKey); + + + const __lookupMember = function(structInfo, memberName, tossIfNotFound=true){ + let m = structInfo.members[memberName]; + if(!m && (memberPrefix || memberSuffix)){ + + for(const v of Object.values(structInfo.members)){ + if(v.key===memberName){ m = v; break; } + } + if(!m && tossIfNotFound){ + toss(sPropName(structInfo.name,memberName),'is not a mapped struct member.'); + } + } + return m; + }; + + + const __memberSignature = function f(obj,memberName,emscriptenFormat=false){ + if(!f._) f._ = (x)=>x.replace(/[^vipPsjrdcC]/g,"").replace(/[pPscC]/g,'i'); + const m = __lookupMember(obj.structInfo, memberName, true); + return emscriptenFormat ? f._(m.signature) : m.signature; + }; + + const __ptrPropDescriptor = { + configurable: false, enumerable: false, + get: function(){return __instancePointerMap.get(this)}, + set: ()=>toss("Cannot assign the 'pointer' property of a struct.") + + + + }; + + + const __structMemberKeys = rop(function(){ + const a = []; + for(const k of Object.keys(this.structInfo.members)){ + a.push(this.memberKey(k)); + } + return a; + }); + + const __utf8Decoder = new TextDecoder('utf-8'); + const __utf8Encoder = new TextEncoder(); + + const __SAB = ('undefined'===typeof SharedArrayBuffer) + ? function(){} : SharedArrayBuffer; + const __utf8Decode = function(arrayBuffer, begin, end){ + return __utf8Decoder.decode( + (arrayBuffer.buffer instanceof __SAB) + ? arrayBuffer.slice(begin, end) + : arrayBuffer.subarray(begin, end) + ); + }; + + const __memberIsString = function(obj,memberName, tossIfNotFound=false){ + const m = __lookupMember(obj.structInfo, memberName, tossIfNotFound); + return (m && 1===m.signature.length && 's'===m.signature[0]) ? m : false; + }; + + + const __affirmCStringSignature = function(member){ + if('s'===member.signature) return; + toss("Invalid member type signature for C-string value:", + JSON.stringify(member)); + }; + + + const __memberToJsString = function f(obj,memberName){ + const m = __lookupMember(obj.structInfo, memberName, true); + __affirmCStringSignature(m); + const addr = obj[m.key]; + + if(!addr) return null; + let pos = addr; + const mem = heap(); + for( ; mem[pos]!==0; ++pos ) { + + }; + + return (addr===pos) ? "" : __utf8Decode(mem, addr, pos); + }; + + + const __addOnDispose = function(obj, ...v){ + if(obj.ondispose){ + if(!Array.isArray(obj.ondispose)){ + obj.ondispose = [obj.ondispose]; + } + }else{ + obj.ondispose = []; + } + obj.ondispose.push(...v); + }; + + + const __allocCString = function(str){ + const u = __utf8Encoder.encode(str); + const mem = alloc(u.length+1); + if(!mem) toss("Allocation error while duplicating string:",str); + const h = heap(); + + + h.set(u, mem); + h[mem + u.length] = 0; + + return mem; + }; + + + const __setMemberCString = function(obj, memberName, str){ + const m = __lookupMember(obj.structInfo, memberName, true); + __affirmCStringSignature(m); + + const mem = __allocCString(str); + obj[m.key] = mem; + __addOnDispose(obj, mem); + return obj; + }; + + + const StructType = function ctor(structName, structInfo){ + if(arguments[2]!==rop){ + toss("Do not call the StructType constructor", + "from client-level code."); + } + Object.defineProperties(this,{ + + structName: rop(structName), + structInfo: rop(structInfo) + }); + }; + + + StructType.prototype = Object.create(null, { + dispose: rop(function(){__freeStruct(this.constructor, this)}), + lookupMember: rop(function(memberName, tossIfNotFound=true){ + return __lookupMember(this.structInfo, memberName, tossIfNotFound); + }), + memberToJsString: rop(function(memberName){ + return __memberToJsString(this, memberName); + }), + memberIsString: rop(function(memberName, tossIfNotFound=true){ + return __memberIsString(this, memberName, tossIfNotFound); + }), + memberKey: __memberKeyProp, + memberKeys: __structMemberKeys, + memberSignature: rop(function(memberName, emscriptenFormat=false){ + return __memberSignature(this, memberName, emscriptenFormat); + }), + memoryDump: rop(__memoryDump), + pointer: __ptrPropDescriptor, + setMemberCString: rop(function(memberName, str){ + return __setMemberCString(this, memberName, str); + }) + }); + + Object.assign(StructType.prototype,{ + addOnDispose: function(...v){ + __addOnDispose(this,...v); + return this; + } + }); + + + Object.defineProperties(StructType, { + allocCString: rop(__allocCString), + isA: rop((v)=>v instanceof StructType), + hasExternalPointer: rop((v)=>(v instanceof StructType) && !!v[xPtrPropName]), + memberKey: __memberKeyProp + }); + + const isNumericValue = (v)=>Number.isFinite(v) || (v instanceof (BigInt || Number)); + + + const makeMemberWrapper = function f(ctor,name, descr){ + if(!f._){ + + f._ = {getters: {}, setters: {}, sw:{}}; + const a = ['i','c','C','p','P','s','f','d','v()']; + if(bigIntEnabled) a.push('j'); + a.forEach(function(v){ + + f._.getters[v] = sigDVGetter(v) ; + f._.setters[v] = sigDVSetter(v) ; + f._.sw[v] = sigDVSetWrapper(v) ; + }); + const rxSig1 = /^[ipPsjfdcC]$/, + rxSig2 = /^[vipPsjfdcC]\([ipPsjfdcC]*\)$/; + f.sigCheck = function(obj, name, key,sig){ + if(Object.prototype.hasOwnProperty.call(obj, key)){ + toss(obj.structName,'already has a property named',key+'.'); + } + rxSig1.test(sig) || rxSig2.test(sig) + || toss("Malformed signature for", + sPropName(obj.structName,name)+":",sig); + }; + } + const key = ctor.memberKey(name); + f.sigCheck(ctor.prototype, name, key, descr.signature); + descr.key = key; + descr.name = name; + const sigGlyph = sigLetter(descr.signature); + const xPropName = sPropName(ctor.prototype.structName,key); + const dbg = ctor.prototype.debugFlags.__flags; + + const prop = Object.create(null); + prop.configurable = false; + prop.enumerable = false; + prop.get = function(){ + if(dbg.getter){ + log("debug.getter:",f._.getters[sigGlyph],"for", sigIR(sigGlyph), + xPropName,'@', this.pointer,'+',descr.offset,'sz',descr.sizeof); + } + let rc = ( + new DataView(heap().buffer, this.pointer + descr.offset, descr.sizeof) + )[f._.getters[sigGlyph]](0, isLittleEndian); + if(dbg.getter) log("debug.getter:",xPropName,"result =",rc); + return rc; + }; + if(descr.readOnly){ + prop.set = __propThrowOnSet(ctor.prototype.structName,key); + }else{ + prop.set = function(v){ + if(dbg.setter){ + log("debug.setter:",f._.setters[sigGlyph],"for", sigIR(sigGlyph), + xPropName,'@', this.pointer,'+',descr.offset,'sz',descr.sizeof, v); + } + if(!this.pointer){ + toss("Cannot set struct property on disposed instance."); + } + if(null===v) v = 0; + else while(!isNumericValue(v)){ + if(isAutoPtrSig(descr.signature) && (v instanceof StructType)){ + + v = v.pointer || 0; + if(dbg.setter) log("debug.setter:",xPropName,"resolved to",v); + break; + } + toss("Invalid value for pointer-type",xPropName+'.'); + } + ( + new DataView(heap().buffer, this.pointer + descr.offset, descr.sizeof) + )[f._.setters[sigGlyph]](0, f._.sw[sigGlyph](v), isLittleEndian); + }; + } + Object.defineProperty(ctor.prototype, key, prop); + }; + + + const StructBinder = function StructBinder(structName, structInfo){ + if(1===arguments.length){ + structInfo = structName; + structName = structInfo.name; + }else if(!structInfo.name){ + structInfo.name = structName; + } + if(!structName) toss("Struct name is required."); + let lastMember = false; + Object.keys(structInfo.members).forEach((k)=>{ + + const m = structInfo.members[k]; + if(!m.sizeof) toss(structName,"member",k,"is missing sizeof."); + else if(m.sizeof===1){ + (m.signature === 'c' || m.signature === 'C') || + toss("Unexpected sizeof==1 member", + sPropName(structInfo.name,k), + "with signature",m.signature); + }else{ + + + if(0!==(m.sizeof%4)){ + console.warn("Invalid struct member description =",m,"from",structInfo); + toss(structName,"member",k,"sizeof is not aligned. sizeof="+m.sizeof); + } + if(0!==(m.offset%4)){ + console.warn("Invalid struct member description =",m,"from",structInfo); + toss(structName,"member",k,"offset is not aligned. offset="+m.offset); + } + } + if(!lastMember || lastMember.offset < m.offset) lastMember = m; + }); + if(!lastMember) toss("No member property descriptions found."); + else if(structInfo.sizeof < lastMember.offset+lastMember.sizeof){ + toss("Invalid struct config:",structName, + "max member offset ("+lastMember.offset+") ", + "extends past end of struct (sizeof="+structInfo.sizeof+")."); + } + const debugFlags = rop(SBF.__makeDebugFlags(StructBinder.debugFlags)); + + const StructCtor = function StructCtor(externalMemory){ + if(!(this instanceof StructCtor)){ + toss("The",structName,"constructor may only be called via 'new'."); + }else if(arguments.length){ + if(externalMemory!==(externalMemory|0) || externalMemory<=0){ + toss("Invalid pointer value for",structName,"constructor."); + } + __allocStruct(StructCtor, this, externalMemory); + }else{ + __allocStruct(StructCtor, this); + } + }; + Object.defineProperties(StructCtor,{ + debugFlags: debugFlags, + isA: rop((v)=>v instanceof StructCtor), + memberKey: __memberKeyProp, + memberKeys: __structMemberKeys, + methodInfoForKey: rop(function(mKey){ + }), + structInfo: rop(structInfo), + structName: rop(structName) + }); + StructCtor.prototype = new StructType(structName, structInfo, rop); + Object.defineProperties(StructCtor.prototype,{ + debugFlags: debugFlags, + constructor: rop(StructCtor) + + }); + Object.keys(structInfo.members).forEach( + (name)=>makeMemberWrapper(StructCtor, name, structInfo.members[name]) + ); + return StructCtor; + }; + StructBinder.StructType = StructType; + StructBinder.config = config; + StructBinder.allocCString = __allocCString; + if(!StructBinder.debugFlags){ + StructBinder.debugFlags = SBF.__makeDebugFlags(SBF.debugFlags); + } + return StructBinder; +}; + + + +globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){ + 'use strict'; + const toss = (...args)=>{throw new Error(args.join(' '))}; + const toss3 = sqlite3.SQLite3Error.toss; + const capi = sqlite3.capi, wasm = sqlite3.wasm, util = sqlite3.util; + globalThis.WhWasmUtilInstaller(wasm); + delete globalThis.WhWasmUtilInstaller; + + if(0){ + + + const dealloc = wasm.exports[sqlite3.config.deallocExportName]; + const nFunc = wasm.functionTable().length; + let i; + for(i = 0; i < nFunc; ++i){ + const e = wasm.functionEntry(i); + if(dealloc === e){ + capi.SQLITE_WASM_DEALLOC = i; + break; + } + } + if(dealloc !== wasm.functionEntry(capi.SQLITE_WASM_DEALLOC)){ + toss("Internal error: cannot find function pointer for SQLITE_WASM_DEALLOC."); + } + } + + + wasm.bindingSignatures = [ + + ["sqlite3_aggregate_context","void*", "sqlite3_context*", "int"], + + + ["sqlite3_bind_double","int", "sqlite3_stmt*", "int", "f64"], + ["sqlite3_bind_int","int", "sqlite3_stmt*", "int", "int"], + ["sqlite3_bind_null",undefined, "sqlite3_stmt*", "int"], + ["sqlite3_bind_parameter_count", "int", "sqlite3_stmt*"], + ["sqlite3_bind_parameter_index","int", "sqlite3_stmt*", "string"], + ["sqlite3_bind_pointer", "int", + "sqlite3_stmt*", "int", "*", "string:static", "*"], + ["sqlite3_busy_handler","int", [ + "sqlite3*", + new wasm.xWrap.FuncPtrAdapter({ + signature: 'i(pi)', + contextKey: (argv,argIndex)=>argv[0] + }), + "*" + ]], + ["sqlite3_busy_timeout","int", "sqlite3*", "int"], + + + ["sqlite3_changes", "int", "sqlite3*"], + ["sqlite3_clear_bindings","int", "sqlite3_stmt*"], + ["sqlite3_collation_needed", "int", "sqlite3*", "*", "*"], + ["sqlite3_column_blob","*", "sqlite3_stmt*", "int"], + ["sqlite3_column_bytes","int", "sqlite3_stmt*", "int"], + ["sqlite3_column_count", "int", "sqlite3_stmt*"], + ["sqlite3_column_double","f64", "sqlite3_stmt*", "int"], + ["sqlite3_column_int","int", "sqlite3_stmt*", "int"], + ["sqlite3_column_name","string", "sqlite3_stmt*", "int"], + ["sqlite3_column_text","string", "sqlite3_stmt*", "int"], + ["sqlite3_column_type","int", "sqlite3_stmt*", "int"], + ["sqlite3_column_value","sqlite3_value*", "sqlite3_stmt*", "int"], + ["sqlite3_commit_hook", "void*", [ + "sqlite3*", + new wasm.xWrap.FuncPtrAdapter({ + name: 'sqlite3_commit_hook', + signature: 'i(p)', + contextKey: (argv)=>argv[0] + }), + '*' + ]], + ["sqlite3_compileoption_get", "string", "int"], + ["sqlite3_compileoption_used", "int", "string"], + ["sqlite3_complete", "int", "string:flexible"], + ["sqlite3_context_db_handle", "sqlite3*", "sqlite3_context*"], + + + + ["sqlite3_data_count", "int", "sqlite3_stmt*"], + ["sqlite3_db_filename", "string", "sqlite3*", "string"], + ["sqlite3_db_handle", "sqlite3*", "sqlite3_stmt*"], + ["sqlite3_db_name", "string", "sqlite3*", "int"], + ["sqlite3_db_status", "int", "sqlite3*", "int", "*", "*", "int"], + ["sqlite3_errcode", "int", "sqlite3*"], + ["sqlite3_errmsg", "string", "sqlite3*"], + ["sqlite3_error_offset", "int", "sqlite3*"], + ["sqlite3_errstr", "string", "int"], + ["sqlite3_exec", "int", [ + "sqlite3*", "string:flexible", + new wasm.xWrap.FuncPtrAdapter({ + signature: 'i(pipp)', + bindScope: 'transient', + callProxy: (callback)=>{ + let aNames; + return (pVoid, nCols, pColVals, pColNames)=>{ + try { + const aVals = wasm.cArgvToJs(nCols, pColVals); + if(!aNames) aNames = wasm.cArgvToJs(nCols, pColNames); + return callback(aVals, aNames) | 0; + }catch(e){ + + return e.resultCode || capi.SQLITE_ERROR; + } + } + } + }), + "*", "**" + ]], + ["sqlite3_expanded_sql", "string", "sqlite3_stmt*"], + ["sqlite3_extended_errcode", "int", "sqlite3*"], + ["sqlite3_extended_result_codes", "int", "sqlite3*", "int"], + ["sqlite3_file_control", "int", "sqlite3*", "string", "int", "*"], + ["sqlite3_finalize", "int", "sqlite3_stmt*"], + ["sqlite3_free", undefined,"*"], + ["sqlite3_get_autocommit", "int", "sqlite3*"], + ["sqlite3_get_auxdata", "*", "sqlite3_context*", "int"], + ["sqlite3_initialize", undefined], + + ["sqlite3_keyword_count", "int"], + ["sqlite3_keyword_name", "int", ["int", "**", "*"]], + ["sqlite3_keyword_check", "int", ["string", "int"]], + ["sqlite3_libversion", "string"], + ["sqlite3_libversion_number", "int"], + ["sqlite3_limit", "int", ["sqlite3*", "int", "int"]], + ["sqlite3_malloc", "*","int"], + ["sqlite3_open", "int", "string", "*"], + ["sqlite3_open_v2", "int", "string", "*", "int", "string"], + + + ["sqlite3_progress_handler", undefined, [ + "sqlite3*", "int", new wasm.xWrap.FuncPtrAdapter({ + name: 'xProgressHandler', + signature: 'i(p)', + bindScope: 'context', + contextKey: (argv,argIndex)=>argv[0] + }), "*" + ]], + ["sqlite3_realloc", "*","*","int"], + ["sqlite3_reset", "int", "sqlite3_stmt*"], + + ["sqlite3_result_blob", undefined, "sqlite3_context*", "*", "int", "*"], + ["sqlite3_result_double", undefined, "sqlite3_context*", "f64"], + ["sqlite3_result_error", undefined, "sqlite3_context*", "string", "int"], + ["sqlite3_result_error_code", undefined, "sqlite3_context*", "int"], + ["sqlite3_result_error_nomem", undefined, "sqlite3_context*"], + ["sqlite3_result_error_toobig", undefined, "sqlite3_context*"], + ["sqlite3_result_int", undefined, "sqlite3_context*", "int"], + ["sqlite3_result_null", undefined, "sqlite3_context*"], + ["sqlite3_result_pointer", undefined, + "sqlite3_context*", "*", "string:static", "*"], + ["sqlite3_result_subtype", undefined, "sqlite3_value*", "int"], + ["sqlite3_result_text", undefined, "sqlite3_context*", "string", "int", "*"], + ["sqlite3_result_zeroblob", undefined, "sqlite3_context*", "int"], + ["sqlite3_rollback_hook", "void*", [ + "sqlite3*", + new wasm.xWrap.FuncPtrAdapter({ + name: 'sqlite3_rollback_hook', + signature: 'v(p)', + contextKey: (argv)=>argv[0] + }), + '*' + ]], + ["sqlite3_set_authorizer", "int", [ + "sqlite3*", + new wasm.xWrap.FuncPtrAdapter({ + name: "sqlite3_set_authorizer::xAuth", + signature: "i(pi"+"ssss)", + contextKey: (argv, argIndex)=>argv[0], + callProxy: (callback)=>{ + return (pV, iCode, s0, s1, s2, s3)=>{ + try{ + s0 = s0 && wasm.cstrToJs(s0); s1 = s1 && wasm.cstrToJs(s1); + s2 = s2 && wasm.cstrToJs(s2); s3 = s3 && wasm.cstrToJs(s3); + return callback(pV, iCode, s0, s1, s2, s3) || 0; + }catch(e){ + return e.resultCode || capi.SQLITE_ERROR; + } + } + } + }), + "*" + ]], + ["sqlite3_set_auxdata", undefined, [ + "sqlite3_context*", "int", "*", + new wasm.xWrap.FuncPtrAdapter({ + name: 'xDestroyAuxData', + signature: 'v(*)', + contextKey: (argv, argIndex)=>argv[0] + }) + ]], + ["sqlite3_shutdown", undefined], + ["sqlite3_sourceid", "string"], + ["sqlite3_sql", "string", "sqlite3_stmt*"], + ["sqlite3_status", "int", "int", "*", "*", "int"], + ["sqlite3_step", "int", "sqlite3_stmt*"], + ["sqlite3_stmt_isexplain", "int", ["sqlite3_stmt*"]], + ["sqlite3_stmt_readonly", "int", ["sqlite3_stmt*"]], + ["sqlite3_stmt_status", "int", "sqlite3_stmt*", "int", "int"], + ["sqlite3_strglob", "int", "string","string"], + ["sqlite3_stricmp", "int", "string", "string"], + ["sqlite3_strlike", "int", "string", "string","int"], + ["sqlite3_strnicmp", "int", "string", "string", "int"], + ["sqlite3_table_column_metadata", "int", + "sqlite3*", "string", "string", "string", + "**", "**", "*", "*", "*"], + ["sqlite3_total_changes", "int", "sqlite3*"], + ["sqlite3_trace_v2", "int", [ + "sqlite3*", "int", + new wasm.xWrap.FuncPtrAdapter({ + name: 'sqlite3_trace_v2::callback', + signature: 'i(ippp)', + contextKey: (argv,argIndex)=>argv[0] + }), + "*" + ]], + ["sqlite3_txn_state", "int", ["sqlite3*","string"]], + + ["sqlite3_uri_boolean", "int", "sqlite3_filename", "string", "int"], + ["sqlite3_uri_key", "string", "sqlite3_filename", "int"], + ["sqlite3_uri_parameter", "string", "sqlite3_filename", "string"], + ["sqlite3_user_data","void*", "sqlite3_context*"], + ["sqlite3_value_blob", "*", "sqlite3_value*"], + ["sqlite3_value_bytes","int", "sqlite3_value*"], + ["sqlite3_value_double","f64", "sqlite3_value*"], + ["sqlite3_value_dup", "sqlite3_value*", "sqlite3_value*"], + ["sqlite3_value_free", undefined, "sqlite3_value*"], + ["sqlite3_value_frombind", "int", "sqlite3_value*"], + ["sqlite3_value_int","int", "sqlite3_value*"], + ["sqlite3_value_nochange", "int", "sqlite3_value*"], + ["sqlite3_value_numeric_type", "int", "sqlite3_value*"], + ["sqlite3_value_pointer", "*", "sqlite3_value*", "string:static"], + ["sqlite3_value_subtype", "int", "sqlite3_value*"], + ["sqlite3_value_text", "string", "sqlite3_value*"], + ["sqlite3_value_type", "int", "sqlite3_value*"], + ["sqlite3_vfs_find", "*", "string"], + ["sqlite3_vfs_register", "int", "sqlite3_vfs*", "int"], + ["sqlite3_vfs_unregister", "int", "sqlite3_vfs*"] + ]; + + if(false && wasm.compileOptionUsed('SQLITE_ENABLE_NORMALIZE')){ + + wasm.bindingSignatures.push(["sqlite3_normalized_sql", "string", "sqlite3_stmt*"]); + } + + if(wasm.exports.sqlite3_activate_see instanceof Function){ + wasm.bindingSignatures.push( + ["sqlite3_key", "int", "sqlite3*", "string", "int"], + ["sqlite3_key_v2","int","sqlite3*","string","*","int"], + ["sqlite3_rekey", "int", "sqlite3*", "string", "int"], + ["sqlite3_rekey_v2", "int", "sqlite3*", "string", "*", "int"], + ["sqlite3_activate_see", undefined, "string"] + ); + } + + wasm.bindingSignatures.int64 = [ + ["sqlite3_bind_int64","int", ["sqlite3_stmt*", "int", "i64"]], + ["sqlite3_changes64","i64", ["sqlite3*"]], + ["sqlite3_column_int64","i64", ["sqlite3_stmt*", "int"]], + ["sqlite3_create_module", "int", + ["sqlite3*","string","sqlite3_module*","*"]], + ["sqlite3_create_module_v2", "int", + ["sqlite3*","string","sqlite3_module*","*","*"]], + ["sqlite3_declare_vtab", "int", ["sqlite3*", "string:flexible"]], + ["sqlite3_deserialize", "int", "sqlite3*", "string", "*", "i64", "i64", "int"] + , + ["sqlite3_drop_modules", "int", ["sqlite3*", "**"]], + ["sqlite3_last_insert_rowid", "i64", ["sqlite3*"]], + ["sqlite3_malloc64", "*","i64"], + ["sqlite3_msize", "i64", "*"], + ["sqlite3_overload_function", "int", ["sqlite3*","string","int"]], + ["sqlite3_preupdate_blobwrite", "int", "sqlite3*"], + ["sqlite3_preupdate_count", "int", "sqlite3*"], + ["sqlite3_preupdate_depth", "int", "sqlite3*"], + ["sqlite3_preupdate_hook", "*", [ + "sqlite3*", + new wasm.xWrap.FuncPtrAdapter({ + name: 'sqlite3_preupdate_hook', + signature: "v(ppippjj)", + contextKey: (argv)=>argv[0], + callProxy: (callback)=>{ + return (p,db,op,zDb,zTbl,iKey1,iKey2)=>{ + callback(p, db, op, wasm.cstrToJs(zDb), wasm.cstrToJs(zTbl), + iKey1, iKey2); + }; + } + }), + "*" + ]], + ["sqlite3_preupdate_new", "int", ["sqlite3*", "int", "**"]], + ["sqlite3_preupdate_old", "int", ["sqlite3*", "int", "**"]], + ["sqlite3_realloc64", "*","*", "i64"], + ["sqlite3_result_int64", undefined, "*", "i64"], + ["sqlite3_result_zeroblob64", "int", "*", "i64"], + ["sqlite3_serialize","*", "sqlite3*", "string", "*", "int"], + ["sqlite3_set_last_insert_rowid", undefined, ["sqlite3*", "i64"]], + ["sqlite3_status64", "int", "int", "*", "*", "int"], + ["sqlite3_total_changes64", "i64", ["sqlite3*"]], + ["sqlite3_update_hook", "*", [ + "sqlite3*", + new wasm.xWrap.FuncPtrAdapter({ + name: 'sqlite3_update_hook', + signature: "v(iippj)", + contextKey: (argv)=>argv[0], + callProxy: (callback)=>{ + return (p,op,z0,z1,rowid)=>{ + callback(p, op, wasm.cstrToJs(z0), wasm.cstrToJs(z1), rowid); + }; + } + }), + "*" + ]], + ["sqlite3_uri_int64", "i64", ["sqlite3_filename", "string", "i64"]], + ["sqlite3_value_int64","i64", "sqlite3_value*"], + ["sqlite3_vtab_collation","string","sqlite3_index_info*","int"], + ["sqlite3_vtab_distinct","int", "sqlite3_index_info*"], + ["sqlite3_vtab_in","int", "sqlite3_index_info*", "int", "int"], + ["sqlite3_vtab_in_first", "int", "sqlite3_value*", "**"], + ["sqlite3_vtab_in_next", "int", "sqlite3_value*", "**"], + + ["sqlite3_vtab_nochange","int", "sqlite3_context*"], + ["sqlite3_vtab_on_conflict","int", "sqlite3*"], + ["sqlite3_vtab_rhs_value","int", "sqlite3_index_info*", "int", "**"] + ]; + + + if(wasm.bigIntEnabled && !!wasm.exports.sqlite3changegroup_add){ + + + const __ipsProxy = { + signature: 'i(ps)', + callProxy:(callback)=>{ + return (p,s)=>{ + try{return callback(p, wasm.cstrToJs(s)) | 0} + catch(e){return e.resultCode || capi.SQLITE_ERROR} + } + } + }; + + wasm.bindingSignatures.int64.push(...[ + ['sqlite3changegroup_add', 'int', ['sqlite3_changegroup*', 'int', 'void*']], + ['sqlite3changegroup_add_strm', 'int', [ + 'sqlite3_changegroup*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xInput', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*' + ]], + ['sqlite3changegroup_delete', undefined, ['sqlite3_changegroup*']], + ['sqlite3changegroup_new', 'int', ['**']], + ['sqlite3changegroup_output', 'int', ['sqlite3_changegroup*', 'int*', '**']], + ['sqlite3changegroup_output_strm', 'int', [ + 'sqlite3_changegroup*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xOutput', signature: 'i(ppi)', bindScope: 'transient' + }), + 'void*' + ]], + ['sqlite3changeset_apply', 'int', [ + 'sqlite3*', 'int', 'void*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xFilter', bindScope: 'transient', ...__ipsProxy + }), + new wasm.xWrap.FuncPtrAdapter({ + name: 'xConflict', signature: 'i(pip)', bindScope: 'transient' + }), + 'void*' + ]], + ['sqlite3changeset_apply_strm', 'int', [ + 'sqlite3*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xInput', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xFilter', bindScope: 'transient', ...__ipsProxy + }), + new wasm.xWrap.FuncPtrAdapter({ + name: 'xConflict', signature: 'i(pip)', bindScope: 'transient' + }), + 'void*' + ]], + ['sqlite3changeset_apply_v2', 'int', [ + 'sqlite3*', 'int', 'void*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xFilter', bindScope: 'transient', ...__ipsProxy + }), + new wasm.xWrap.FuncPtrAdapter({ + name: 'xConflict', signature: 'i(pip)', bindScope: 'transient' + }), + 'void*', '**', 'int*', 'int' + + ]], + ['sqlite3changeset_apply_v2_strm', 'int', [ + 'sqlite3*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xInput', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xFilter', bindScope: 'transient', ...__ipsProxy + }), + new wasm.xWrap.FuncPtrAdapter({ + name: 'xConflict', signature: 'i(pip)', bindScope: 'transient' + }), + 'void*', '**', 'int*', 'int' + ]], + ['sqlite3changeset_concat', 'int', ['int','void*', 'int', 'void*', 'int*', '**']], + ['sqlite3changeset_concat_strm', 'int', [ + new wasm.xWrap.FuncPtrAdapter({ + name: 'xInputA', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xInputB', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xOutput', signature: 'i(ppi)', bindScope: 'transient' + }), + 'void*' + ]], + ['sqlite3changeset_conflict', 'int', ['sqlite3_changeset_iter*', 'int', '**']], + ['sqlite3changeset_finalize', 'int', ['sqlite3_changeset_iter*']], + ['sqlite3changeset_fk_conflicts', 'int', ['sqlite3_changeset_iter*', 'int*']], + ['sqlite3changeset_invert', 'int', ['int', 'void*', 'int*', '**']], + ['sqlite3changeset_invert_strm', 'int', [ + new wasm.xWrap.FuncPtrAdapter({ + name: 'xInput', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xOutput', signature: 'i(ppi)', bindScope: 'transient' + }), + 'void*' + ]], + ['sqlite3changeset_new', 'int', ['sqlite3_changeset_iter*', 'int', '**']], + ['sqlite3changeset_next', 'int', ['sqlite3_changeset_iter*']], + ['sqlite3changeset_old', 'int', ['sqlite3_changeset_iter*', 'int', '**']], + ['sqlite3changeset_op', 'int', [ + 'sqlite3_changeset_iter*', '**', 'int*', 'int*','int*' + ]], + ['sqlite3changeset_pk', 'int', ['sqlite3_changeset_iter*', '**', 'int*']], + ['sqlite3changeset_start', 'int', ['**', 'int', '*']], + ['sqlite3changeset_start_strm', 'int', [ + '**', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xInput', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*' + ]], + ['sqlite3changeset_start_v2', 'int', ['**', 'int', '*', 'int']], + ['sqlite3changeset_start_v2_strm', 'int', [ + '**', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xInput', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*', 'int' + ]], + ['sqlite3session_attach', 'int', ['sqlite3_session*', 'string']], + ['sqlite3session_changeset', 'int', ['sqlite3_session*', 'int*', '**']], + ['sqlite3session_changeset_size', 'i64', ['sqlite3_session*']], + ['sqlite3session_changeset_strm', 'int', [ + 'sqlite3_session*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xOutput', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*' + ]], + ['sqlite3session_config', 'int', ['int', 'void*']], + ['sqlite3session_create', 'int', ['sqlite3*', 'string', '**']], + + ['sqlite3session_diff', 'int', ['sqlite3_session*', 'string', 'string', '**']], + ['sqlite3session_enable', 'int', ['sqlite3_session*', 'int']], + ['sqlite3session_indirect', 'int', ['sqlite3_session*', 'int']], + ['sqlite3session_isempty', 'int', ['sqlite3_session*']], + ['sqlite3session_memory_used', 'i64', ['sqlite3_session*']], + ['sqlite3session_object_config', 'int', ['sqlite3_session*', 'int', 'void*']], + ['sqlite3session_patchset', 'int', ['sqlite3_session*', '*', '**']], + ['sqlite3session_patchset_strm', 'int', [ + 'sqlite3_session*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xOutput', signature: 'i(ppp)', bindScope: 'transient' + }), + 'void*' + ]], + ['sqlite3session_table_filter', undefined, [ + 'sqlite3_session*', + new wasm.xWrap.FuncPtrAdapter({ + name: 'xFilter', ...__ipsProxy, + contextKey: (argv,argIndex)=>argv[0] + }), + '*' + ]] + ]); + } + + + wasm.bindingSignatures.wasm = [ + ["sqlite3_wasm_db_reset", "int", "sqlite3*"], + ["sqlite3_wasm_db_vfs", "sqlite3_vfs*", "sqlite3*","string"], + ["sqlite3_wasm_vfs_create_file", "int", + "sqlite3_vfs*","string","*", "int"], + ["sqlite3_wasm_posix_create_file", "int", "string","*", "int"], + ["sqlite3_wasm_vfs_unlink", "int", "sqlite3_vfs*","string"] + ]; + + + sqlite3.StructBinder = globalThis.Jaccwabyt({ + heap: 0 ? wasm.memory : wasm.heap8u, + alloc: wasm.alloc, + dealloc: wasm.dealloc, + bigIntEnabled: wasm.bigIntEnabled, + memberPrefix: '$' + }); + delete globalThis.Jaccwabyt; + + { + + + const __xString = wasm.xWrap.argAdapter('string'); + wasm.xWrap.argAdapter( + 'string:flexible', (v)=>__xString(util.flexibleString(v)) + ); + + + wasm.xWrap.argAdapter( + 'string:static', + function(v){ + if(wasm.isPtr(v)) return v; + v = ''+v; + let rc = this[v]; + return rc || (this[v] = wasm.allocCString(v)); + }.bind(Object.create(null)) + ); + + + const __xArgPtr = wasm.xWrap.argAdapter('*'); + const nilType = function(){}; + wasm.xWrap.argAdapter('sqlite3_filename', __xArgPtr) + ('sqlite3_context*', __xArgPtr) + ('sqlite3_value*', __xArgPtr) + ('void*', __xArgPtr) + ('sqlite3_changegroup*', __xArgPtr) + ('sqlite3_changeset_iter*', __xArgPtr) + + ('sqlite3_session*', __xArgPtr) + ('sqlite3_stmt*', (v)=> + __xArgPtr((v instanceof (sqlite3?.oo1?.Stmt || nilType)) + ? v.pointer : v)) + ('sqlite3*', (v)=> + __xArgPtr((v instanceof (sqlite3?.oo1?.DB || nilType)) + ? v.pointer : v)) + ('sqlite3_index_info*', (v)=> + __xArgPtr((v instanceof (capi.sqlite3_index_info || nilType)) + ? v.pointer : v)) + ('sqlite3_module*', (v)=> + __xArgPtr((v instanceof (capi.sqlite3_module || nilType)) + ? v.pointer : v)) + + ('sqlite3_vfs*', (v)=>{ + if('string'===typeof v){ + + return capi.sqlite3_vfs_find(v) + || sqlite3.SQLite3Error.toss( + capi.SQLITE_NOTFOUND, + "Unknown sqlite3_vfs name:", v + ); + } + return __xArgPtr((v instanceof (capi.sqlite3_vfs || nilType)) + ? v.pointer : v); + }); + + const __xRcPtr = wasm.xWrap.resultAdapter('*'); + wasm.xWrap.resultAdapter('sqlite3*', __xRcPtr) + ('sqlite3_context*', __xRcPtr) + ('sqlite3_stmt*', __xRcPtr) + ('sqlite3_value*', __xRcPtr) + ('sqlite3_vfs*', __xRcPtr) + ('void*', __xRcPtr); + + + if(0 === wasm.exports.sqlite3_step.length){ + + wasm.xWrap.doArgcCheck = false; + sqlite3.config.warn( + "Disabling sqlite3.wasm.xWrap.doArgcCheck due to environmental quirks." + ); + } + for(const e of wasm.bindingSignatures){ + capi[e[0]] = wasm.xWrap.apply(null, e); + } + for(const e of wasm.bindingSignatures.wasm){ + wasm[e[0]] = wasm.xWrap.apply(null, e); + } + + + const fI64Disabled = function(fname){ + return ()=>toss(fname+"() is unavailable due to lack", + "of BigInt support in this build."); + }; + for(const e of wasm.bindingSignatures.int64){ + capi[e[0]] = wasm.bigIntEnabled + ? wasm.xWrap.apply(null, e) + : fI64Disabled(e[0]); + } + + + delete wasm.bindingSignatures; + + if(wasm.exports.sqlite3_wasm_db_error){ + const __db_err = wasm.xWrap( + 'sqlite3_wasm_db_error', 'int', 'sqlite3*', 'int', 'string' + ); + + util.sqlite3_wasm_db_error = function(pDb, resultCode, message){ + if(resultCode instanceof sqlite3.WasmAllocError){ + resultCode = capi.SQLITE_NOMEM; + message = 0 ; + }else if(resultCode instanceof Error){ + message = message || ''+resultCode; + resultCode = (resultCode.resultCode || capi.SQLITE_ERROR); + } + return pDb ? __db_err(pDb, resultCode, message) : resultCode; + }; + }else{ + util.sqlite3_wasm_db_error = function(pDb,errCode,msg){ + console.warn("sqlite3_wasm_db_error() is not exported.",arguments); + return errCode; + }; + } + } + + { + const cJson = wasm.xCall('sqlite3_wasm_enum_json'); + if(!cJson){ + toss("Maintenance required: increase sqlite3_wasm_enum_json()'s", + "static buffer size!"); + } + + wasm.ctype = JSON.parse(wasm.cstrToJs(cJson)); + + const defineGroups = ['access', 'authorizer', + 'blobFinalizers', 'changeset', + 'config', 'dataTypes', + 'dbConfig', 'dbStatus', + 'encodings', 'fcntl', 'flock', 'ioCap', + 'limits', 'openFlags', + 'prepareFlags', 'resultCodes', + 'sqlite3Status', + 'stmtStatus', 'syncFlags', + 'trace', 'txnState', 'udfFlags', + 'version' ]; + if(wasm.bigIntEnabled){ + defineGroups.push('serialize', 'session', 'vtab'); + } + for(const t of defineGroups){ + for(const e of Object.entries(wasm.ctype[t])){ + + + capi[e[0]] = e[1]; + } + } + if(!wasm.functionEntry(capi.SQLITE_WASM_DEALLOC)){ + toss("Internal error: cannot resolve exported function", + "entry SQLITE_WASM_DEALLOC (=="+capi.SQLITE_WASM_DEALLOC+")."); + } + const __rcMap = Object.create(null); + for(const t of ['resultCodes']){ + for(const e of Object.entries(wasm.ctype[t])){ + __rcMap[e[1]] = e[0]; + } + } + + capi.sqlite3_js_rc_str = (rc)=>__rcMap[rc]; + + const notThese = Object.assign(Object.create(null),{ + + WasmTestStruct: true, + + sqlite3_kvvfs_methods: !util.isUIThread(), + + sqlite3_index_info: !wasm.bigIntEnabled, + sqlite3_index_constraint: !wasm.bigIntEnabled, + sqlite3_index_orderby: !wasm.bigIntEnabled, + sqlite3_index_constraint_usage: !wasm.bigIntEnabled + }); + for(const s of wasm.ctype.structs){ + if(!notThese[s.name]){ + capi[s.name] = sqlite3.StructBinder(s); + } + } + if(capi.sqlite3_index_info){ + + for(const k of ['sqlite3_index_constraint', + 'sqlite3_index_orderby', + 'sqlite3_index_constraint_usage']){ + capi.sqlite3_index_info[k] = capi[k]; + delete capi[k]; + } + capi.sqlite3_vtab_config = wasm.xWrap( + 'sqlite3_wasm_vtab_config','int',[ + 'sqlite3*', 'int', 'int'] + ); + } + } + + + const __dbArgcMismatch = (pDb,f,n)=>{ + return util.sqlite3_wasm_db_error(pDb, capi.SQLITE_MISUSE, + f+"() requires "+n+" argument"+ + (1===n?"":'s')+"."); + }; + + + const __errEncoding = (pDb)=>{ + return util.sqlite3_wasm_db_error( + pDb, capi.SQLITE_FORMAT, "SQLITE_UTF8 is the only supported encoding." + ); + }; + + + const __argPDb = (pDb)=>wasm.xWrap.argAdapter('sqlite3*')(pDb); + const __argStr = (str)=>wasm.isPtr(str) ? wasm.cstrToJs(str) : str; + const __dbCleanupMap = function( + pDb, mode + ){ + pDb = __argPDb(pDb); + let m = this.dbMap.get(pDb); + if(!mode){ + this.dbMap.delete(pDb); + return m; + }else if(!m && mode>0){ + this.dbMap.set(pDb, (m = Object.create(null))); + } + return m; + }.bind(Object.assign(Object.create(null),{ + dbMap: new Map + })); + + __dbCleanupMap.addCollation = function(pDb, name){ + const m = __dbCleanupMap(pDb, 1); + if(!m.collation) m.collation = new Set; + m.collation.add(__argStr(name).toLowerCase()); + }; + + __dbCleanupMap._addUDF = function(pDb, name, arity, map){ + + name = __argStr(name).toLowerCase(); + let u = map.get(name); + if(!u) map.set(name, (u = new Set)); + u.add((arity<0) ? -1 : arity); + }; + + __dbCleanupMap.addFunction = function(pDb, name, arity){ + const m = __dbCleanupMap(pDb, 1); + if(!m.udf) m.udf = new Map; + this._addUDF(pDb, name, arity, m.udf); + }; + + __dbCleanupMap.addWindowFunc = function(pDb, name, arity){ + const m = __dbCleanupMap(pDb, 1); + if(!m.wudf) m.wudf = new Map; + this._addUDF(pDb, name, arity, m.wudf); + }; + + + __dbCleanupMap.cleanup = function(pDb){ + pDb = __argPDb(pDb); + + + const closeArgs = [pDb]; + for(const name of [ + 'sqlite3_busy_handler', + 'sqlite3_commit_hook', + 'sqlite3_preupdate_hook', + 'sqlite3_progress_handler', + 'sqlite3_rollback_hook', + 'sqlite3_set_authorizer', + 'sqlite3_trace_v2', + 'sqlite3_update_hook' + ]) { + const x = wasm.exports[name]; + closeArgs.length = x.length + ; + try{ capi[name](...closeArgs) } + catch(e){ + console.warn("close-time call of",name+"(",closeArgs,") threw:",e); + } + } + const m = __dbCleanupMap(pDb, 0); + if(!m) return; + if(m.collation){ + for(const name of m.collation){ + try{ + capi.sqlite3_create_collation_v2( + pDb, name, capi.SQLITE_UTF8, 0, 0, 0 + ); + }catch(e){ + + } + } + delete m.collation; + } + let i; + for(i = 0; i < 2; ++i){ + const fmap = i ? m.wudf : m.udf; + if(!fmap) continue; + const func = i + ? capi.sqlite3_create_window_function + : capi.sqlite3_create_function_v2; + for(const e of fmap){ + const name = e[0], arities = e[1]; + const fargs = [pDb, name, 0, capi.SQLITE_UTF8, 0, 0, 0, 0, 0]; + if(i) fargs.push(0); + for(const arity of arities){ + try{ fargs[2] = arity; func.apply(null, fargs); } + catch(e){} + } + arities.clear(); + } + fmap.clear(); + } + delete m.udf; + delete m.wudf; + }; + + { + const __sqlite3CloseV2 = wasm.xWrap("sqlite3_close_v2", "int", "sqlite3*"); + capi.sqlite3_close_v2 = function(pDb){ + if(1!==arguments.length) return __dbArgcMismatch(pDb, 'sqlite3_close_v2', 1); + if(pDb){ + try{__dbCleanupMap.cleanup(pDb)} catch(e){} + } + return __sqlite3CloseV2(pDb); + }; + } + + if(capi.sqlite3session_table_filter){ + const __sqlite3SessionDelete = wasm.xWrap( + 'sqlite3session_delete', undefined, ['sqlite3_session*'] + ); + capi.sqlite3session_delete = function(pSession){ + if(1!==arguments.length){ + return __dbArgcMismatch(pDb, 'sqlite3session_delete', 1); + + } + else if(pSession){ + + capi.sqlite3session_table_filter(pSession, 0, 0); + } + __sqlite3SessionDelete(pSession); + }; + } + + { + + const contextKey = (argv,argIndex)=>{ + return 'argv['+argIndex+']:'+argv[0]+ + ':'+wasm.cstrToJs(argv[1]).toLowerCase() + }; + const __sqlite3CreateCollationV2 = wasm.xWrap( + 'sqlite3_create_collation_v2', 'int', [ + 'sqlite3*', 'string', 'int', '*', + new wasm.xWrap.FuncPtrAdapter({ + + name: 'xCompare', signature: 'i(pipip)', contextKey + }), + new wasm.xWrap.FuncPtrAdapter({ + + name: 'xDestroy', signature: 'v(p)', contextKey + }) + ] + ); + + + capi.sqlite3_create_collation_v2 = function(pDb,zName,eTextRep,pArg,xCompare,xDestroy){ + if(6!==arguments.length) return __dbArgcMismatch(pDb, 'sqlite3_create_collation_v2', 6); + else if( 0 === (eTextRep & 0xf) ){ + eTextRep |= capi.SQLITE_UTF8; + }else if( capi.SQLITE_UTF8 !== (eTextRep & 0xf) ){ + return __errEncoding(pDb); + } + try{ + const rc = __sqlite3CreateCollationV2(pDb, zName, eTextRep, pArg, xCompare, xDestroy); + if(0===rc && xCompare instanceof Function){ + __dbCleanupMap.addCollation(pDb, zName); + } + return rc; + }catch(e){ + return util.sqlite3_wasm_db_error(pDb, e); + } + }; + + capi.sqlite3_create_collation = (pDb,zName,eTextRep,pArg,xCompare)=>{ + return (5===arguments.length) + ? capi.sqlite3_create_collation_v2(pDb,zName,eTextRep,pArg,xCompare,0) + : __dbArgcMismatch(pDb, 'sqlite3_create_collation', 5); + }; + + } + + { + + const contextKey = function(argv,argIndex){ + return ( + argv[0] + +':'+(argv[2] < 0 ? -1 : argv[2]) + +':'+argIndex + +':'+wasm.cstrToJs(argv[1]).toLowerCase() + ) + }; + + + const __cfProxy = Object.assign(Object.create(null), { + xInverseAndStep: { + signature:'v(pip)', contextKey, + callProxy: (callback)=>{ + return (pCtx, argc, pArgv)=>{ + try{ callback(pCtx, ...capi.sqlite3_values_to_js(argc, pArgv)) } + catch(e){ capi.sqlite3_result_error_js(pCtx, e) } + }; + } + }, + xFinalAndValue: { + signature:'v(p)', contextKey, + callProxy: (callback)=>{ + return (pCtx)=>{ + try{ capi.sqlite3_result_js(pCtx, callback(pCtx)) } + catch(e){ capi.sqlite3_result_error_js(pCtx, e) } + }; + } + }, + xFunc: { + signature:'v(pip)', contextKey, + callProxy: (callback)=>{ + return (pCtx, argc, pArgv)=>{ + try{ + capi.sqlite3_result_js( + pCtx, + callback(pCtx, ...capi.sqlite3_values_to_js(argc, pArgv)) + ); + }catch(e){ + + capi.sqlite3_result_error_js(pCtx, e); + } + }; + } + }, + xDestroy: { + signature:'v(p)', contextKey, + + callProxy: (callback)=>{ + return (pVoid)=>{ + try{ callback(pVoid) } + catch(e){ console.error("UDF xDestroy method threw:",e) } + }; + } + } + }); + + const __sqlite3CreateFunction = wasm.xWrap( + "sqlite3_create_function_v2", "int", [ + "sqlite3*", "string", "int", + "int", "*", + new wasm.xWrap.FuncPtrAdapter({name: 'xFunc', ...__cfProxy.xFunc}), + new wasm.xWrap.FuncPtrAdapter({name: 'xStep', ...__cfProxy.xInverseAndStep}), + new wasm.xWrap.FuncPtrAdapter({name: 'xFinal', ...__cfProxy.xFinalAndValue}), + new wasm.xWrap.FuncPtrAdapter({name: 'xDestroy', ...__cfProxy.xDestroy}) + ] + ); + + const __sqlite3CreateWindowFunction = wasm.xWrap( + "sqlite3_create_window_function", "int", [ + "sqlite3*", "string", "int", + "int", "*", + new wasm.xWrap.FuncPtrAdapter({name: 'xStep', ...__cfProxy.xInverseAndStep}), + new wasm.xWrap.FuncPtrAdapter({name: 'xFinal', ...__cfProxy.xFinalAndValue}), + new wasm.xWrap.FuncPtrAdapter({name: 'xValue', ...__cfProxy.xFinalAndValue}), + new wasm.xWrap.FuncPtrAdapter({name: 'xInverse', ...__cfProxy.xInverseAndStep}), + new wasm.xWrap.FuncPtrAdapter({name: 'xDestroy', ...__cfProxy.xDestroy}) + ] + ); + + + capi.sqlite3_create_function_v2 = function f( + pDb, funcName, nArg, eTextRep, pApp, + xFunc, + xStep, + xFinal, + xDestroy + ){ + if( f.length!==arguments.length ){ + return __dbArgcMismatch(pDb,"sqlite3_create_function_v2",f.length); + }else if( 0 === (eTextRep & 0xf) ){ + eTextRep |= capi.SQLITE_UTF8; + }else if( capi.SQLITE_UTF8 !== (eTextRep & 0xf) ){ + return __errEncoding(pDb); + } + try{ + const rc = __sqlite3CreateFunction(pDb, funcName, nArg, eTextRep, + pApp, xFunc, xStep, xFinal, xDestroy); + if(0===rc && (xFunc instanceof Function + || xStep instanceof Function + || xFinal instanceof Function + || xDestroy instanceof Function)){ + __dbCleanupMap.addFunction(pDb, funcName, nArg); + } + return rc; + }catch(e){ + console.error("sqlite3_create_function_v2() setup threw:",e); + return util.sqlite3_wasm_db_error(pDb, e, "Creation of UDF threw: "+e); + } + }; + + + capi.sqlite3_create_function = function f( + pDb, funcName, nArg, eTextRep, pApp, + xFunc, xStep, xFinal + ){ + return (f.length===arguments.length) + ? capi.sqlite3_create_function_v2(pDb, funcName, nArg, eTextRep, + pApp, xFunc, xStep, xFinal, 0) + : __dbArgcMismatch(pDb,"sqlite3_create_function",f.length); + }; + + + capi.sqlite3_create_window_function = function f( + pDb, funcName, nArg, eTextRep, pApp, + xStep, + xFinal, + xValue, + xInverse, + xDestroy + ){ + if( f.length!==arguments.length ){ + return __dbArgcMismatch(pDb,"sqlite3_create_window_function",f.length); + }else if( 0 === (eTextRep & 0xf) ){ + eTextRep |= capi.SQLITE_UTF8; + }else if( capi.SQLITE_UTF8 !== (eTextRep & 0xf) ){ + return __errEncoding(pDb); + } + try{ + const rc = __sqlite3CreateWindowFunction(pDb, funcName, nArg, eTextRep, + pApp, xStep, xFinal, xValue, + xInverse, xDestroy); + if(0===rc && (xStep instanceof Function + || xFinal instanceof Function + || xValue instanceof Function + || xInverse instanceof Function + || xDestroy instanceof Function)){ + __dbCleanupMap.addWindowFunc(pDb, funcName, nArg); + } + return rc; + }catch(e){ + console.error("sqlite3_create_window_function() setup threw:",e); + return util.sqlite3_wasm_db_error(pDb, e, "Creation of UDF threw: "+e); + } + }; + + capi.sqlite3_create_function_v2.udfSetResult = + capi.sqlite3_create_function.udfSetResult = + capi.sqlite3_create_window_function.udfSetResult = capi.sqlite3_result_js; + + + capi.sqlite3_create_function_v2.udfConvertArgs = + capi.sqlite3_create_function.udfConvertArgs = + capi.sqlite3_create_window_function.udfConvertArgs = capi.sqlite3_values_to_js; + + + capi.sqlite3_create_function_v2.udfSetError = + capi.sqlite3_create_function.udfSetError = + capi.sqlite3_create_window_function.udfSetError = capi.sqlite3_result_error_js; + + }; + + { + + + const __flexiString = (v,n)=>{ + if('string'===typeof v){ + n = -1; + }else if(util.isSQLableTypedArray(v)){ + n = v.byteLength; + v = util.typedArrayToString( + (v instanceof ArrayBuffer) ? new Uint8Array(v) : v + ); + }else if(Array.isArray(v)){ + v = v.join(""); + n = -1; + } + return [v, n]; + }; + + + const __prepare = { + + basic: wasm.xWrap('sqlite3_prepare_v3', + "int", ["sqlite3*", "string", + "int", + "int", "**", + "**"]), + + full: wasm.xWrap('sqlite3_prepare_v3', + "int", ["sqlite3*", "*", "int", "int", + "**", "**"]) + }; + + + capi.sqlite3_prepare_v3 = function f(pDb, sql, sqlLen, prepFlags, ppStmt, pzTail){ + if(f.length!==arguments.length){ + return __dbArgcMismatch(pDb,"sqlite3_prepare_v3",f.length); + } + const [xSql, xSqlLen] = __flexiString(sql, sqlLen); + switch(typeof xSql){ + case 'string': return __prepare.basic(pDb, xSql, xSqlLen, prepFlags, ppStmt, null); + case 'number': return __prepare.full(pDb, xSql, xSqlLen, prepFlags, ppStmt, pzTail); + default: + return util.sqlite3_wasm_db_error( + pDb, capi.SQLITE_MISUSE, + "Invalid SQL argument type for sqlite3_prepare_v2/v3()." + ); + } + }; + + + capi.sqlite3_prepare_v2 = function f(pDb, sql, sqlLen, ppStmt, pzTail){ + return (f.length===arguments.length) + ? capi.sqlite3_prepare_v3(pDb, sql, sqlLen, 0, ppStmt, pzTail) + : __dbArgcMismatch(pDb,"sqlite3_prepare_v2",f.length); + }; + + } + + { + const __bindText = wasm.xWrap("sqlite3_bind_text", "int", [ + "sqlite3_stmt*", "int", "string", "int", "*" + ]); + const __bindBlob = wasm.xWrap("sqlite3_bind_blob", "int", [ + "sqlite3_stmt*", "int", "*", "int", "*" + ]); + + + capi.sqlite3_bind_text = function f(pStmt, iCol, text, nText, xDestroy){ + if(f.length!==arguments.length){ + return __dbArgcMismatch(capi.sqlite3_db_handle(pStmt), + "sqlite3_bind_text", f.length); + }else if(wasm.isPtr(text) || null===text){ + return __bindText(pStmt, iCol, text, nText, xDestroy); + }else if(text instanceof ArrayBuffer){ + text = new Uint8Array(text); + }else if(Array.isArray(pMem)){ + text = pMem.join(''); + } + let p, n; + try{ + if(util.isSQLableTypedArray(text)){ + p = wasm.allocFromTypedArray(text); + n = text.byteLength; + }else if('string'===typeof text){ + [p, n] = wasm.allocCString(text); + }else{ + return util.sqlite3_wasm_db_error( + capi.sqlite3_db_handle(pStmt), capi.SQLITE_MISUSE, + "Invalid 3rd argument type for sqlite3_bind_text()." + ); + } + return __bindText(pStmt, iCol, p, n, capi.SQLITE_WASM_DEALLOC); + }catch(e){ + wasm.dealloc(p); + return util.sqlite3_wasm_db_error( + capi.sqlite3_db_handle(pStmt), e + ); + } + }; + + + capi.sqlite3_bind_blob = function f(pStmt, iCol, pMem, nMem, xDestroy){ + if(f.length!==arguments.length){ + return __dbArgcMismatch(capi.sqlite3_db_handle(pStmt), + "sqlite3_bind_blob", f.length); + }else if(wasm.isPtr(pMem) || null===pMem){ + return __bindBlob(pStmt, iCol, pMem, nMem, xDestroy); + }else if(pMem instanceof ArrayBuffer){ + pMem = new Uint8Array(pMem); + }else if(Array.isArray(pMem)){ + pMem = pMem.join(''); + } + let p, n; + try{ + if(util.isBindableTypedArray(pMem)){ + p = wasm.allocFromTypedArray(pMem); + n = nMem>=0 ? nMem : pMem.byteLength; + }else if('string'===typeof pMem){ + [p, n] = wasm.allocCString(pMem); + }else{ + return util.sqlite3_wasm_db_error( + capi.sqlite3_db_handle(pStmt), capi.SQLITE_MISUSE, + "Invalid 3rd argument type for sqlite3_bind_blob()." + ); + } + return __bindBlob(pStmt, iCol, p, n, capi.SQLITE_WASM_DEALLOC); + }catch(e){ + wasm.dealloc(p); + return util.sqlite3_wasm_db_error( + capi.sqlite3_db_handle(pStmt), e + ); + } + }; + + } + + { + + capi.sqlite3_config = function(op, ...args){ + if(arguments.length<2) return capi.SQLITE_MISUSE; + switch(op){ + case capi.SQLITE_CONFIG_COVERING_INDEX_SCAN: + case capi.SQLITE_CONFIG_MEMSTATUS: + case capi.SQLITE_CONFIG_SMALL_MALLOC: + case capi.SQLITE_CONFIG_SORTERREF_SIZE: + case capi.SQLITE_CONFIG_STMTJRNL_SPILL: + case capi.SQLITE_CONFIG_URI: + return wasm.exports.sqlite3_wasm_config_i(op, args[0]); + case capi.SQLITE_CONFIG_LOOKASIDE: + return wasm.exports.sqlite3_wasm_config_ii(op, args[0], args[1]); + case capi.SQLITE_CONFIG_MEMDB_MAXSIZE: + return wasm.exports.sqlite3_wasm_config_j(op, args[0]); + case capi.SQLITE_CONFIG_GETMALLOC: + case capi.SQLITE_CONFIG_GETMUTEX: + case capi.SQLITE_CONFIG_GETPCACHE2: + case capi.SQLITE_CONFIG_GETPCACHE: + case capi.SQLITE_CONFIG_HEAP: + case capi.SQLITE_CONFIG_LOG: + case capi.SQLITE_CONFIG_MALLOC: + case capi.SQLITE_CONFIG_MMAP_SIZE: + case capi.SQLITE_CONFIG_MULTITHREAD: + case capi.SQLITE_CONFIG_MUTEX: + case capi.SQLITE_CONFIG_PAGECACHE: + case capi.SQLITE_CONFIG_PCACHE2: + case capi.SQLITE_CONFIG_PCACHE: + case capi.SQLITE_CONFIG_PCACHE_HDRSZ: + case capi.SQLITE_CONFIG_PMASZ: + case capi.SQLITE_CONFIG_SERIALIZED: + case capi.SQLITE_CONFIG_SINGLETHREAD: + case capi.SQLITE_CONFIG_SQLLOG: + case capi.SQLITE_CONFIG_WIN32_HEAPSIZE: + default: + return capi.SQLITE_NOTFOUND; + } + }; + } + + { + const __autoExtFptr = new Set; + + capi.sqlite3_auto_extension = function(fPtr){ + if( fPtr instanceof Function ){ + fPtr = wasm.installFunction('i(ppp)', fPtr); + }else if( 1!==arguments.length || !wasm.isPtr(fPtr) ){ + return capi.SQLITE_MISUSE; + } + const rc = wasm.exports.sqlite3_auto_extension(fPtr); + if( fPtr!==arguments[0] ){ + if(0===rc) __autoExtFptr.add(fPtr); + else wasm.uninstallFunction(fPtr); + } + return rc; + }; + + capi.sqlite3_cancel_auto_extension = function(fPtr){ + ; + if(!fPtr || 1!==arguments.length || !wasm.isPtr(fPtr)) return 0; + return wasm.exports.sqlite3_cancel_auto_extension(fPtr); + + }; + + capi.sqlite3_reset_auto_extension = function(){ + wasm.exports.sqlite3_reset_auto_extension(); + for(const fp of __autoExtFptr) wasm.uninstallFunction(fp); + __autoExtFptr.clear(); + }; + } + + const pKvvfs = capi.sqlite3_vfs_find("kvvfs"); + if( pKvvfs ){ + if(util.isUIThread()){ + const kvvfsMethods = new capi.sqlite3_kvvfs_methods( + wasm.exports.sqlite3_wasm_kvvfs_methods() + ); + delete capi.sqlite3_kvvfs_methods; + + const kvvfsMakeKey = wasm.exports.sqlite3_wasm_kvvfsMakeKeyOnPstack, + pstack = wasm.pstack; + + const kvvfsStorage = (zClass)=> + ((115===wasm.peek(zClass)) + ? sessionStorage : localStorage); + + + const kvvfsImpls = { + xRead: (zClass, zKey, zBuf, nBuf)=>{ + const stack = pstack.pointer, + astack = wasm.scopedAllocPush(); + try { + const zXKey = kvvfsMakeKey(zClass,zKey); + if(!zXKey) return -3; + const jKey = wasm.cstrToJs(zXKey); + const jV = kvvfsStorage(zClass).getItem(jKey); + if(!jV) return -1; + const nV = jV.length ; + if(nBuf<=0) return nV; + else if(1===nBuf){ + wasm.poke(zBuf, 0); + return nV; + } + const zV = wasm.scopedAllocCString(jV); + if(nBuf > nV + 1) nBuf = nV + 1; + wasm.heap8u().copyWithin(zBuf, zV, zV + nBuf - 1); + wasm.poke(zBuf + nBuf - 1, 0); + return nBuf - 1; + }catch(e){ + console.error("kvstorageRead()",e); + return -2; + }finally{ + pstack.restore(stack); + wasm.scopedAllocPop(astack); + } + }, + xWrite: (zClass, zKey, zData)=>{ + const stack = pstack.pointer; + try { + const zXKey = kvvfsMakeKey(zClass,zKey); + if(!zXKey) return 1; + const jKey = wasm.cstrToJs(zXKey); + kvvfsStorage(zClass).setItem(jKey, wasm.cstrToJs(zData)); + return 0; + }catch(e){ + console.error("kvstorageWrite()",e); + return capi.SQLITE_IOERR; + }finally{ + pstack.restore(stack); + } + }, + xDelete: (zClass, zKey)=>{ + const stack = pstack.pointer; + try { + const zXKey = kvvfsMakeKey(zClass,zKey); + if(!zXKey) return 1; + kvvfsStorage(zClass).removeItem(wasm.cstrToJs(zXKey)); + return 0; + }catch(e){ + console.error("kvstorageDelete()",e); + return capi.SQLITE_IOERR; + }finally{ + pstack.restore(stack); + } + } + }; + for(const k of Object.keys(kvvfsImpls)){ + kvvfsMethods[kvvfsMethods.memberKey(k)] = + wasm.installFunction( + kvvfsMethods.memberSignature(k), + kvvfsImpls[k] + ); + } + }else{ + + capi.sqlite3_vfs_unregister(pKvvfs); + } + } + + wasm.xWrap.FuncPtrAdapter.warnOnUse = true; +}); + + +globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){ + sqlite3.version = {"libVersion": "3.45.0", "libVersionNumber": 3045000, "sourceId": "2024-01-15 17:01:13 1066602b2b1976fe58b5150777cced894af17c803e068f5918390d6915b46e1d","downloadVersion": 3450000}; +}); + + + +globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){ + const toss = (...args)=>{throw new Error(args.join(' '))}; + const toss3 = (...args)=>{throw new sqlite3.SQLite3Error(...args)}; + + const capi = sqlite3.capi, wasm = sqlite3.wasm, util = sqlite3.util; + + + + const __ptrMap = new WeakMap(); + + const __stmtMap = new WeakMap(); + + + const getOwnOption = (opts, p, dflt)=>{ + const d = Object.getOwnPropertyDescriptor(opts,p); + return d ? d.value : dflt; + }; + + + const checkSqlite3Rc = function(dbPtr, sqliteResultCode){ + if(sqliteResultCode){ + if(dbPtr instanceof DB) dbPtr = dbPtr.pointer; + toss3( + sqliteResultCode, + "sqlite3 result code",sqliteResultCode+":", + (dbPtr + ? capi.sqlite3_errmsg(dbPtr) + : capi.sqlite3_errstr(sqliteResultCode)) + ); + } + return arguments[0]; + }; + + + const __dbTraceToConsole = + wasm.installFunction('i(ippp)', function(t,c,p,x){ + if(capi.SQLITE_TRACE_STMT===t){ + + console.log("SQL TRACE #"+(++this.counter)+' via sqlite3@'+c+':', + wasm.cstrToJs(x)); + } + }.bind({counter: 0})); + + + const __vfsPostOpenSql = Object.create(null); + + + const dbCtorHelper = function ctor(...args){ + if(!ctor._name2vfs){ + + ctor._name2vfs = Object.create(null); + const isWorkerThread = ('function'===typeof importScripts) + ? (n)=>toss3("The VFS for",n,"is only available in the main window thread.") + : false; + ctor._name2vfs[':localStorage:'] = { + vfs: 'kvvfs', filename: isWorkerThread || (()=>'local') + }; + ctor._name2vfs[':sessionStorage:'] = { + vfs: 'kvvfs', filename: isWorkerThread || (()=>'session') + }; + } + const opt = ctor.normalizeArgs(...args); + let fn = opt.filename, vfsName = opt.vfs, flagsStr = opt.flags; + if(('string'!==typeof fn && 'number'!==typeof fn) + || 'string'!==typeof flagsStr + || (vfsName && ('string'!==typeof vfsName && 'number'!==typeof vfsName))){ + sqlite3.config.error("Invalid DB ctor args",opt,arguments); + toss3("Invalid arguments for DB constructor."); + } + let fnJs = ('number'===typeof fn) ? wasm.cstrToJs(fn) : fn; + const vfsCheck = ctor._name2vfs[fnJs]; + if(vfsCheck){ + vfsName = vfsCheck.vfs; + fn = fnJs = vfsCheck.filename(fnJs); + } + let pDb, oflags = 0; + if( flagsStr.indexOf('c')>=0 ){ + oflags |= capi.SQLITE_OPEN_CREATE | capi.SQLITE_OPEN_READWRITE; + } + if( flagsStr.indexOf('w')>=0 ) oflags |= capi.SQLITE_OPEN_READWRITE; + if( 0===oflags ) oflags |= capi.SQLITE_OPEN_READONLY; + oflags |= capi.SQLITE_OPEN_EXRESCODE; + const stack = wasm.pstack.pointer; + try { + const pPtr = wasm.pstack.allocPtr() ; + let rc = capi.sqlite3_open_v2(fn, pPtr, oflags, vfsName || 0); + pDb = wasm.peekPtr(pPtr); + checkSqlite3Rc(pDb, rc); + capi.sqlite3_extended_result_codes(pDb, 1); + if(flagsStr.indexOf('t')>=0){ + capi.sqlite3_trace_v2(pDb, capi.SQLITE_TRACE_STMT, + __dbTraceToConsole, pDb); + } + }catch( e ){ + if( pDb ) capi.sqlite3_close_v2(pDb); + throw e; + }finally{ + wasm.pstack.restore(stack); + } + this.filename = fnJs; + __ptrMap.set(this, pDb); + __stmtMap.set(this, Object.create(null)); + try{ + + const pVfs = capi.sqlite3_js_db_vfs(pDb); + if(!pVfs) toss3("Internal error: cannot get VFS for new db handle."); + const postInitSql = __vfsPostOpenSql[pVfs]; + if(postInitSql instanceof Function){ + postInitSql(this, sqlite3); + }else if(postInitSql){ + checkSqlite3Rc( + pDb, capi.sqlite3_exec(pDb, postInitSql, 0, 0, 0) + ); + } + }catch(e){ + this.close(); + throw e; + } + }; + + + dbCtorHelper.setVfsPostOpenSql = function(pVfs, sql){ + __vfsPostOpenSql[pVfs] = sql; + }; + + + dbCtorHelper.normalizeArgs = function(filename=':memory:',flags = 'c',vfs = null){ + const arg = {}; + if(1===arguments.length && arguments[0] && 'object'===typeof arguments[0]){ + Object.assign(arg, arguments[0]); + if(undefined===arg.flags) arg.flags = 'c'; + if(undefined===arg.vfs) arg.vfs = null; + if(undefined===arg.filename) arg.filename = ':memory:'; + }else{ + arg.filename = filename; + arg.flags = flags; + arg.vfs = vfs; + } + return arg; + }; + + const DB = function(...args){ + dbCtorHelper.apply(this, args); + }; + DB.dbCtorHelper = dbCtorHelper; + + + const BindTypes = { + null: 1, + number: 2, + string: 3, + boolean: 4, + blob: 5 + }; + BindTypes['undefined'] == BindTypes.null; + if(wasm.bigIntEnabled){ + BindTypes.bigint = BindTypes.number; + } + + + const Stmt = function(){ + if(BindTypes!==arguments[2]){ + toss3(capi.SQLITE_MISUSE, "Do not call the Stmt constructor directly. Use DB.prepare()."); + } + this.db = arguments[0]; + __ptrMap.set(this, arguments[1]); + this.parameterCount = capi.sqlite3_bind_parameter_count(this.pointer); + }; + + + const affirmDbOpen = function(db){ + if(!db.pointer) toss3("DB has been closed."); + return db; + }; + + + const affirmColIndex = function(stmt,ndx){ + if((ndx !== (ndx|0)) || ndx<0 || ndx>=stmt.columnCount){ + toss3("Column index",ndx,"is out of range."); + } + return stmt; + }; + + + const parseExecArgs = function(db, args){ + const out = Object.create(null); + out.opt = Object.create(null); + switch(args.length){ + case 1: + if('string'===typeof args[0] || util.isSQLableTypedArray(args[0])){ + out.sql = args[0]; + }else if(Array.isArray(args[0])){ + out.sql = args[0]; + }else if(args[0] && 'object'===typeof args[0]){ + out.opt = args[0]; + out.sql = out.opt.sql; + } + break; + case 2: + out.sql = args[0]; + out.opt = args[1]; + break; + default: toss3("Invalid argument count for exec()."); + }; + out.sql = util.flexibleString(out.sql); + if('string'!==typeof out.sql){ + toss3("Missing SQL argument or unsupported SQL value type."); + } + const opt = out.opt; + switch(opt.returnValue){ + case 'resultRows': + if(!opt.resultRows) opt.resultRows = []; + out.returnVal = ()=>opt.resultRows; + break; + case 'saveSql': + if(!opt.saveSql) opt.saveSql = []; + out.returnVal = ()=>opt.saveSql; + break; + case undefined: + case 'this': + out.returnVal = ()=>db; + break; + default: + toss3("Invalid returnValue value:",opt.returnValue); + } + if(!opt.callback && !opt.returnValue && undefined!==opt.rowMode){ + if(!opt.resultRows) opt.resultRows = []; + out.returnVal = ()=>opt.resultRows; + } + if(opt.callback || opt.resultRows){ + switch((undefined===opt.rowMode) + ? 'array' : opt.rowMode) { + case 'object': out.cbArg = (stmt)=>stmt.get(Object.create(null)); break; + case 'array': out.cbArg = (stmt)=>stmt.get([]); break; + case 'stmt': + if(Array.isArray(opt.resultRows)){ + toss3("exec(): invalid rowMode for a resultRows array: must", + "be one of 'array', 'object',", + "a result column number, or column name reference."); + } + out.cbArg = (stmt)=>stmt; + break; + default: + if(util.isInt32(opt.rowMode)){ + out.cbArg = (stmt)=>stmt.get(opt.rowMode); + break; + }else if('string'===typeof opt.rowMode + && opt.rowMode.length>1 + && '$'===opt.rowMode[0]){ + + const $colName = opt.rowMode.substr(1); + out.cbArg = (stmt)=>{ + const rc = stmt.get(Object.create(null))[$colName]; + return (undefined===rc) + ? toss3(capi.SQLITE_NOTFOUND, + "exec(): unknown result column:",$colName) + : rc; + }; + break; + } + toss3("Invalid rowMode:",opt.rowMode); + } + } + return out; + }; + + + const __selectFirstRow = (db, sql, bind, ...getArgs)=>{ + const stmt = db.prepare(sql); + try { + const rc = stmt.bind(bind).step() ? stmt.get(...getArgs) : undefined; + stmt.reset(); + return rc; + }finally{ + stmt.finalize(); + } + }; + + + const __selectAll = + (db, sql, bind, rowMode)=>db.exec({ + sql, bind, rowMode, returnValue: 'resultRows' + }); + + + DB.checkRc = (db,resultCode)=>checkSqlite3Rc(db,resultCode); + + DB.prototype = { + + isOpen: function(){ + return !!this.pointer; + }, + + affirmOpen: function(){ + return affirmDbOpen(this); + }, + + close: function(){ + if(this.pointer){ + if(this.onclose && (this.onclose.before instanceof Function)){ + try{this.onclose.before(this)} + catch(e){} + } + const pDb = this.pointer; + Object.keys(__stmtMap.get(this)).forEach((k,s)=>{ + if(s && s.pointer){ + try{s.finalize()} + catch(e){} + } + }); + __ptrMap.delete(this); + __stmtMap.delete(this); + capi.sqlite3_close_v2(pDb); + if(this.onclose && (this.onclose.after instanceof Function)){ + try{this.onclose.after(this)} + catch(e){} + } + delete this.filename; + } + }, + + changes: function(total=false,sixtyFour=false){ + const p = affirmDbOpen(this).pointer; + if(total){ + return sixtyFour + ? capi.sqlite3_total_changes64(p) + : capi.sqlite3_total_changes(p); + }else{ + return sixtyFour + ? capi.sqlite3_changes64(p) + : capi.sqlite3_changes(p); + } + }, + + dbFilename: function(dbName='main'){ + return capi.sqlite3_db_filename(affirmDbOpen(this).pointer, dbName); + }, + + dbName: function(dbNumber=0){ + return capi.sqlite3_db_name(affirmDbOpen(this).pointer, dbNumber); + }, + + dbVfsName: function(dbName=0){ + let rc; + const pVfs = capi.sqlite3_js_db_vfs( + affirmDbOpen(this).pointer, dbName + ); + if(pVfs){ + const v = new capi.sqlite3_vfs(pVfs); + try{ rc = wasm.cstrToJs(v.$zName) } + finally { v.dispose() } + } + return rc; + }, + + prepare: function(sql){ + affirmDbOpen(this); + const stack = wasm.pstack.pointer; + let ppStmt, pStmt; + try{ + ppStmt = wasm.pstack.alloc(8); + DB.checkRc(this, capi.sqlite3_prepare_v2(this.pointer, sql, -1, ppStmt, null)); + pStmt = wasm.peekPtr(ppStmt); + } + finally { + wasm.pstack.restore(stack); + } + if(!pStmt) toss3("Cannot prepare empty SQL."); + const stmt = new Stmt(this, pStmt, BindTypes); + __stmtMap.get(this)[pStmt] = stmt; + return stmt; + }, + + exec: function(){ + affirmDbOpen(this); + const arg = parseExecArgs(this, arguments); + if(!arg.sql){ + return toss3("exec() requires an SQL string."); + } + const opt = arg.opt; + const callback = opt.callback; + const resultRows = + Array.isArray(opt.resultRows) ? opt.resultRows : undefined; + let stmt; + let bind = opt.bind; + let evalFirstResult = !!( + arg.cbArg || opt.columnNames || resultRows + ) ; + const stack = wasm.scopedAllocPush(); + const saveSql = Array.isArray(opt.saveSql) ? opt.saveSql : undefined; + try{ + const isTA = util.isSQLableTypedArray(arg.sql) + ; + + let sqlByteLen = isTA ? arg.sql.byteLength : wasm.jstrlen(arg.sql); + const ppStmt = wasm.scopedAlloc( + + (2 * wasm.ptrSizeof) + (sqlByteLen + 1) + ); + const pzTail = ppStmt + wasm.ptrSizeof ; + let pSql = pzTail + wasm.ptrSizeof; + const pSqlEnd = pSql + sqlByteLen; + if(isTA) wasm.heap8().set(arg.sql, pSql); + else wasm.jstrcpy(arg.sql, wasm.heap8(), pSql, sqlByteLen, false); + wasm.poke(pSql + sqlByteLen, 0); + while(pSql && wasm.peek(pSql, 'i8') + ){ + wasm.pokePtr([ppStmt, pzTail], 0); + DB.checkRc(this, capi.sqlite3_prepare_v3( + this.pointer, pSql, sqlByteLen, 0, ppStmt, pzTail + )); + const pStmt = wasm.peekPtr(ppStmt); + pSql = wasm.peekPtr(pzTail); + sqlByteLen = pSqlEnd - pSql; + if(!pStmt) continue; + if(saveSql) saveSql.push(capi.sqlite3_sql(pStmt).trim()); + stmt = new Stmt(this, pStmt, BindTypes); + if(bind && stmt.parameterCount){ + stmt.bind(bind); + bind = null; + } + if(evalFirstResult && stmt.columnCount){ + + let gotColNames = Array.isArray( + opt.columnNames + ) ? 0 : 1; + evalFirstResult = false; + if(arg.cbArg || resultRows){ + for(; stmt.step(); stmt._lockedByExec = false){ + if(0===gotColNames++) stmt.getColumnNames(opt.columnNames); + stmt._lockedByExec = true; + const row = arg.cbArg(stmt); + if(resultRows) resultRows.push(row); + if(callback && false === callback.call(opt, row, stmt)){ + break; + } + } + stmt._lockedByExec = false; + } + if(0===gotColNames){ + + stmt.getColumnNames(opt.columnNames); + } + }else{ + stmt.step(); + } + stmt.reset( + ).finalize(); + stmt = null; + } + }finally{ + wasm.scopedAllocPop(stack); + if(stmt){ + delete stmt._lockedByExec; + stmt.finalize(); + } + } + return arg.returnVal(); + }, + + + createFunction: function f(name, xFunc, opt){ + const isFunc = (f)=>(f instanceof Function); + switch(arguments.length){ + case 1: + opt = name; + name = opt.name; + xFunc = opt.xFunc || 0; + break; + case 2: + if(!isFunc(xFunc)){ + opt = xFunc; + xFunc = opt.xFunc || 0; + } + break; + case 3: + break; + default: break; + } + if(!opt) opt = {}; + if('string' !== typeof name){ + toss3("Invalid arguments: missing function name."); + } + let xStep = opt.xStep || 0; + let xFinal = opt.xFinal || 0; + const xValue = opt.xValue || 0; + const xInverse = opt.xInverse || 0; + let isWindow = undefined; + if(isFunc(xFunc)){ + isWindow = false; + if(isFunc(xStep) || isFunc(xFinal)){ + toss3("Ambiguous arguments: scalar or aggregate?"); + } + xStep = xFinal = null; + }else if(isFunc(xStep)){ + if(!isFunc(xFinal)){ + toss3("Missing xFinal() callback for aggregate or window UDF."); + } + xFunc = null; + }else if(isFunc(xFinal)){ + toss3("Missing xStep() callback for aggregate or window UDF."); + }else{ + toss3("Missing function-type properties."); + } + if(false === isWindow){ + if(isFunc(xValue) || isFunc(xInverse)){ + toss3("xValue and xInverse are not permitted for non-window UDFs."); + } + }else if(isFunc(xValue)){ + if(!isFunc(xInverse)){ + toss3("xInverse must be provided if xValue is."); + } + isWindow = true; + }else if(isFunc(xInverse)){ + toss3("xValue must be provided if xInverse is."); + } + const pApp = opt.pApp; + if(undefined!==pApp && + null!==pApp && + (('number'!==typeof pApp) || !util.isInt32(pApp))){ + toss3("Invalid value for pApp property. Must be a legal WASM pointer value."); + } + const xDestroy = opt.xDestroy || 0; + if(xDestroy && !isFunc(xDestroy)){ + toss3("xDestroy property must be a function."); + } + let fFlags = 0 ; + if(getOwnOption(opt, 'deterministic')) fFlags |= capi.SQLITE_DETERMINISTIC; + if(getOwnOption(opt, 'directOnly')) fFlags |= capi.SQLITE_DIRECTONLY; + if(getOwnOption(opt, 'innocuous')) fFlags |= capi.SQLITE_INNOCUOUS; + name = name.toLowerCase(); + const xArity = xFunc || xStep; + const arity = getOwnOption(opt, 'arity'); + const arityArg = ('number'===typeof arity + ? arity + : (xArity.length ? xArity.length-1 : 0)); + let rc; + if( isWindow ){ + rc = capi.sqlite3_create_window_function( + this.pointer, name, arityArg, + capi.SQLITE_UTF8 | fFlags, pApp || 0, + xStep, xFinal, xValue, xInverse, xDestroy); + }else{ + rc = capi.sqlite3_create_function_v2( + this.pointer, name, arityArg, + capi.SQLITE_UTF8 | fFlags, pApp || 0, + xFunc, xStep, xFinal, xDestroy); + } + DB.checkRc(this, rc); + return this; + }, + + selectValue: function(sql,bind,asType){ + return __selectFirstRow(this, sql, bind, 0, asType); + }, + + + selectValues: function(sql,bind,asType){ + const stmt = this.prepare(sql), rc = []; + try { + stmt.bind(bind); + while(stmt.step()) rc.push(stmt.get(0,asType)); + stmt.reset(); + }finally{ + stmt.finalize(); + } + return rc; + }, + + + selectArray: function(sql,bind){ + return __selectFirstRow(this, sql, bind, []); + }, + + + selectObject: function(sql,bind){ + return __selectFirstRow(this, sql, bind, {}); + }, + + + selectArrays: function(sql,bind){ + return __selectAll(this, sql, bind, 'array'); + }, + + + selectObjects: function(sql,bind){ + return __selectAll(this, sql, bind, 'object'); + }, + + + openStatementCount: function(){ + return this.pointer ? Object.keys(__stmtMap.get(this)).length : 0; + }, + + + transaction: function(callback){ + let opener = 'BEGIN'; + if(arguments.length>1){ + if(/[^a-zA-Z]/.test(arguments[0])){ + toss3(capi.SQLITE_MISUSE, "Invalid argument for BEGIN qualifier."); + } + opener += ' '+arguments[0]; + callback = arguments[1]; + } + affirmDbOpen(this).exec(opener); + try { + const rc = callback(this); + this.exec("COMMIT"); + return rc; + }catch(e){ + this.exec("ROLLBACK"); + throw e; + } + }, + + + savepoint: function(callback){ + affirmDbOpen(this).exec("SAVEPOINT oo1"); + try { + const rc = callback(this); + this.exec("RELEASE oo1"); + return rc; + }catch(e){ + this.exec("ROLLBACK to SAVEPOINT oo1; RELEASE SAVEPOINT oo1"); + throw e; + } + }, + + + checkRc: function(resultCode){ + return checkSqlite3Rc(this, resultCode); + } + }; + + + + const affirmStmtOpen = function(stmt){ + if(!stmt.pointer) toss3("Stmt has been closed."); + return stmt; + }; + + + const isSupportedBindType = function(v){ + let t = BindTypes[(null===v||undefined===v) ? 'null' : typeof v]; + switch(t){ + case BindTypes.boolean: + case BindTypes.null: + case BindTypes.number: + case BindTypes.string: + return t; + case BindTypes.bigint: + if(wasm.bigIntEnabled) return t; + + default: + return util.isBindableTypedArray(v) ? BindTypes.blob : undefined; + } + }; + + + const affirmSupportedBindType = function(v){ + + return isSupportedBindType(v) || toss3("Unsupported bind() argument type:",typeof v); + }; + + + const affirmParamIndex = function(stmt,key){ + const n = ('number'===typeof key) + ? key : capi.sqlite3_bind_parameter_index(stmt.pointer, key); + if(0===n || !util.isInt32(n)){ + toss3("Invalid bind() parameter name: "+key); + } + else if(n<1 || n>stmt.parameterCount) toss3("Bind index",key,"is out of range."); + return n; + }; + + + const affirmNotLockedByExec = function(stmt,currentOpName){ + if(stmt._lockedByExec){ + toss3("Operation is illegal when statement is locked:",currentOpName); + } + return stmt; + }; + + + const bindOne = function f(stmt,ndx,bindType,val){ + affirmNotLockedByExec(affirmStmtOpen(stmt), 'bind()'); + if(!f._){ + f._tooBigInt = (v)=>toss3( + "BigInt value is too big to store without precision loss:", v + ); + f._ = { + string: function(stmt, ndx, val, asBlob){ + const [pStr, n] = wasm.allocCString(val, true); + const f = asBlob ? capi.sqlite3_bind_blob : capi.sqlite3_bind_text; + return f(stmt.pointer, ndx, pStr, n, capi.SQLITE_WASM_DEALLOC); + } + }; + } + affirmSupportedBindType(val); + ndx = affirmParamIndex(stmt,ndx); + let rc = 0; + switch((null===val || undefined===val) ? BindTypes.null : bindType){ + case BindTypes.null: + rc = capi.sqlite3_bind_null(stmt.pointer, ndx); + break; + case BindTypes.string: + rc = f._.string(stmt, ndx, val, false); + break; + case BindTypes.number: { + let m; + if(util.isInt32(val)) m = capi.sqlite3_bind_int; + else if('bigint'===typeof val){ + if(!util.bigIntFits64(val)){ + f._tooBigInt(val); + }else if(wasm.bigIntEnabled){ + m = capi.sqlite3_bind_int64; + }else if(util.bigIntFitsDouble(val)){ + val = Number(val); + m = capi.sqlite3_bind_double; + }else{ + f._tooBigInt(val); + } + }else{ + val = Number(val); + if(wasm.bigIntEnabled && Number.isInteger(val)){ + m = capi.sqlite3_bind_int64; + }else{ + m = capi.sqlite3_bind_double; + } + } + rc = m(stmt.pointer, ndx, val); + break; + } + case BindTypes.boolean: + rc = capi.sqlite3_bind_int(stmt.pointer, ndx, val ? 1 : 0); + break; + case BindTypes.blob: { + if('string'===typeof val){ + rc = f._.string(stmt, ndx, val, true); + break; + }else if(val instanceof ArrayBuffer){ + val = new Uint8Array(val); + }else if(!util.isBindableTypedArray(val)){ + toss3("Binding a value as a blob requires", + "that it be a string, Uint8Array, Int8Array, or ArrayBuffer."); + } + const pBlob = wasm.alloc(val.byteLength || 1); + wasm.heap8().set(val.byteLength ? val : [0], pBlob) + rc = capi.sqlite3_bind_blob(stmt.pointer, ndx, pBlob, val.byteLength, + capi.SQLITE_WASM_DEALLOC); + break; + } + default: + sqlite3.config.warn("Unsupported bind() argument type:",val); + toss3("Unsupported bind() argument type: "+(typeof val)); + } + if(rc) DB.checkRc(stmt.db.pointer, rc); + stmt._mayGet = false; + return stmt; + }; + + Stmt.prototype = { + + finalize: function(){ + if(this.pointer){ + affirmNotLockedByExec(this,'finalize()'); + const rc = capi.sqlite3_finalize(this.pointer); + delete __stmtMap.get(this.db)[this.pointer]; + __ptrMap.delete(this); + delete this._mayGet; + delete this.parameterCount; + delete this._lockedByExec; + delete this.db; + return rc; + } + }, + + clearBindings: function(){ + affirmNotLockedByExec(affirmStmtOpen(this), 'clearBindings()') + capi.sqlite3_clear_bindings(this.pointer); + this._mayGet = false; + return this; + }, + + reset: function(alsoClearBinds){ + affirmNotLockedByExec(this,'reset()'); + if(alsoClearBinds) this.clearBindings(); + const rc = capi.sqlite3_reset(affirmStmtOpen(this).pointer); + this._mayGet = false; + checkSqlite3Rc(this.db, rc); + return this; + }, + + bind: function(){ + affirmStmtOpen(this); + let ndx, arg; + switch(arguments.length){ + case 1: ndx = 1; arg = arguments[0]; break; + case 2: ndx = arguments[0]; arg = arguments[1]; break; + default: toss3("Invalid bind() arguments."); + } + if(undefined===arg){ + + return this; + }else if(!this.parameterCount){ + toss3("This statement has no bindable parameters."); + } + this._mayGet = false; + if(null===arg){ + + return bindOne(this, ndx, BindTypes.null, arg); + } + else if(Array.isArray(arg)){ + + if(1!==arguments.length){ + toss3("When binding an array, an index argument is not permitted."); + } + arg.forEach((v,i)=>bindOne(this, i+1, affirmSupportedBindType(v), v)); + return this; + }else if(arg instanceof ArrayBuffer){ + arg = new Uint8Array(arg); + } + if('object'===typeof arg + && !util.isBindableTypedArray(arg)){ + + if(1!==arguments.length){ + toss3("When binding an object, an index argument is not permitted."); + } + Object.keys(arg) + .forEach(k=>bindOne(this, k, + affirmSupportedBindType(arg[k]), + arg[k])); + return this; + }else{ + return bindOne(this, ndx, affirmSupportedBindType(arg), arg); + } + toss3("Should not reach this point."); + }, + + bindAsBlob: function(ndx,arg){ + affirmStmtOpen(this); + if(1===arguments.length){ + arg = ndx; + ndx = 1; + } + const t = affirmSupportedBindType(arg); + if(BindTypes.string !== t && BindTypes.blob !== t + && BindTypes.null !== t){ + toss3("Invalid value type for bindAsBlob()"); + } + return bindOne(this, ndx, BindTypes.blob, arg); + }, + + step: function(){ + affirmNotLockedByExec(this, 'step()'); + const rc = capi.sqlite3_step(affirmStmtOpen(this).pointer); + switch(rc){ + case capi.SQLITE_DONE: return this._mayGet = false; + case capi.SQLITE_ROW: return this._mayGet = true; + default: + this._mayGet = false; + sqlite3.config.warn("sqlite3_step() rc=",rc, + capi.sqlite3_js_rc_str(rc), + "SQL =", capi.sqlite3_sql(this.pointer)); + DB.checkRc(this.db.pointer, rc); + } + }, + + stepReset: function(){ + this.step(); + return this.reset(); + }, + + stepFinalize: function(){ + try{ + const rc = this.step(); + this.reset(); + return rc; + }finally{ + try{this.finalize()} + catch(e){} + } + }, + + get: function(ndx,asType){ + if(!affirmStmtOpen(this)._mayGet){ + toss3("Stmt.step() has not (recently) returned true."); + } + if(Array.isArray(ndx)){ + let i = 0; + const n = this.columnCount; + while(i=Number.MIN_SAFE_INTEGER && rc<=Number.MAX_SAFE_INTEGER){ + + return Number(rc).valueOf(); + } + return rc; + }else{ + const rc = capi.sqlite3_column_double(this.pointer, ndx); + if(rc>Number.MAX_SAFE_INTEGER || rctoss3("The pointer property is read-only.") + } + Object.defineProperty(Stmt.prototype, 'pointer', prop); + Object.defineProperty(DB.prototype, 'pointer', prop); + } + + Object.defineProperty(Stmt.prototype, 'columnCount', { + enumerable: false, + get: function(){return capi.sqlite3_column_count(this.pointer)}, + set: ()=>toss3("The columnCount property is read-only.") + }); + + + sqlite3.oo1 = { + DB, + Stmt + }; + + if(util.isUIThread()){ + + sqlite3.oo1.JsStorageDb = function(storageName='session'){ + if('session'!==storageName && 'local'!==storageName){ + toss3("JsStorageDb db name must be one of 'session' or 'local'."); + } + dbCtorHelper.call(this, { + filename: storageName, + flags: 'c', + vfs: "kvvfs" + }); + }; + const jdb = sqlite3.oo1.JsStorageDb; + jdb.prototype = Object.create(DB.prototype); + + jdb.clearStorage = capi.sqlite3_js_kvvfs_clear; + + jdb.prototype.clearStorage = function(){ + return jdb.clearStorage(affirmDbOpen(this).filename); + }; + + jdb.storageSize = capi.sqlite3_js_kvvfs_size; + + jdb.prototype.storageSize = function(){ + return jdb.storageSize(affirmDbOpen(this).filename); + }; + } + +}); + + + + + +globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){ +sqlite3.initWorker1API = function(){ + 'use strict'; + const toss = (...args)=>{throw new Error(args.join(' '))}; + if(!(globalThis.WorkerGlobalScope instanceof Function)){ + toss("initWorker1API() must be run from a Worker thread."); + } + const sqlite3 = this.sqlite3 || toss("Missing this.sqlite3 object."); + const DB = sqlite3.oo1.DB; + + + const getDbId = function(db){ + let id = wState.idMap.get(db); + if(id) return id; + id = 'db#'+(++wState.idSeq)+'@'+db.pointer; + + wState.idMap.set(db, id); + return id; + }; + + + const wState = { + + dbList: [], + + idSeq: 0, + + idMap: new WeakMap, + + xfer: [], + open: function(opt){ + const db = new DB(opt); + this.dbs[getDbId(db)] = db; + if(this.dbList.indexOf(db)<0) this.dbList.push(db); + return db; + }, + close: function(db,alsoUnlink){ + if(db){ + delete this.dbs[getDbId(db)]; + const filename = db.filename; + const pVfs = sqlite3.wasm.sqlite3_wasm_db_vfs(db.pointer, 0); + db.close(); + const ddNdx = this.dbList.indexOf(db); + if(ddNdx>=0) this.dbList.splice(ddNdx, 1); + if(alsoUnlink && filename && pVfs){ + sqlite3.wasm.sqlite3_wasm_vfs_unlink(pVfs, filename); + } + } + }, + + post: function(msg,xferList){ + if(xferList && xferList.length){ + globalThis.postMessage( msg, Array.from(xferList) ); + xferList.length = 0; + }else{ + globalThis.postMessage(msg); + } + }, + + dbs: Object.create(null), + + getDb: function(id,require=true){ + return this.dbs[id] + || (require ? toss("Unknown (or closed) DB ID:",id) : undefined); + } + }; + + + const affirmDbOpen = function(db = wState.dbList[0]){ + return (db && db.pointer) ? db : toss("DB is not opened."); + }; + + + const getMsgDb = function(msgData,affirmExists=true){ + const db = wState.getDb(msgData.dbId,false) || wState.dbList[0]; + return affirmExists ? affirmDbOpen(db) : db; + }; + + const getDefaultDbId = function(){ + return wState.dbList[0] && getDbId(wState.dbList[0]); + }; + + const guessVfs = function(filename){ + const m = /^file:.+(vfs=(\w+))/.exec(filename); + return sqlite3.capi.sqlite3_vfs_find(m ? m[2] : 0); + }; + + const isSpecialDbFilename = (n)=>{ + return ""===n || ':'===n[0]; + }; + + + const wMsgHandler = { + open: function(ev){ + const oargs = Object.create(null), args = (ev.args || Object.create(null)); + if(args.simulateError){ + toss("Throwing because of simulateError flag."); + } + const rc = Object.create(null); + let byteArray, pVfs; + oargs.vfs = args.vfs; + if(isSpecialDbFilename(args.filename)){ + oargs.filename = args.filename || ""; + }else{ + oargs.filename = args.filename; + byteArray = args.byteArray; + if(byteArray) pVfs = guessVfs(args.filename); + } + if(pVfs){ + + let pMem; + try{ + pMem = sqlite3.wasm.allocFromTypedArray(byteArray); + const rc = sqlite3.wasm.sqlite3_wasm_vfs_create_file( + pVfs, oargs.filename, pMem, byteArray.byteLength + ); + if(rc) sqlite3.SQLite3Error.toss(rc); + }catch(e){ + throw new sqlite3.SQLite3Error( + e.name+' creating '+args.filename+": "+e.message, { + cause: e + } + ); + }finally{ + if(pMem) sqlite3.wasm.dealloc(pMem); + } + } + const db = wState.open(oargs); + rc.filename = db.filename; + rc.persistent = !!sqlite3.capi.sqlite3_js_db_uses_vfs(db.pointer, "opfs"); + rc.dbId = getDbId(db); + rc.vfs = db.dbVfsName(); + return rc; + }, + + close: function(ev){ + const db = getMsgDb(ev,false); + const response = { + filename: db && db.filename + }; + if(db){ + const doUnlink = ((ev.args && 'object'===typeof ev.args) + ? !!ev.args.unlink : false); + wState.close(db, doUnlink); + } + return response; + }, + + exec: function(ev){ + const rc = ( + 'string'===typeof ev.args + ) ? {sql: ev.args} : (ev.args || Object.create(null)); + if('stmt'===rc.rowMode){ + toss("Invalid rowMode for 'exec': stmt mode", + "does not work in the Worker API."); + }else if(!rc.sql){ + toss("'exec' requires input SQL."); + } + const db = getMsgDb(ev); + if(rc.callback || Array.isArray(rc.resultRows)){ + + db._blobXfer = wState.xfer; + } + const theCallback = rc.callback; + let rowNumber = 0; + const hadColNames = !!rc.columnNames; + if('string' === typeof theCallback){ + if(!hadColNames) rc.columnNames = []; + + rc.callback = function(row,stmt){ + wState.post({ + type: theCallback, + columnNames: rc.columnNames, + rowNumber: ++rowNumber, + row: row + }, wState.xfer); + } + } + try { + const changeCount = !!rc.countChanges + ? db.changes(true,(64===rc.countChanges)) + : undefined; + db.exec(rc); + if(undefined !== changeCount){ + rc.changeCount = db.changes(true,64===rc.countChanges) - changeCount; + } + if(rc.callback instanceof Function){ + rc.callback = theCallback; + + wState.post({ + type: theCallback, + columnNames: rc.columnNames, + rowNumber: null , + row: undefined + }); + } + }finally{ + delete db._blobXfer; + if(rc.callback) rc.callback = theCallback; + } + return rc; + }, + + 'config-get': function(){ + const rc = Object.create(null), src = sqlite3.config; + [ + 'bigIntEnabled' + ].forEach(function(k){ + if(Object.getOwnPropertyDescriptor(src, k)) rc[k] = src[k]; + }); + rc.version = sqlite3.version; + rc.vfsList = sqlite3.capi.sqlite3_js_vfs_list(); + rc.opfsEnabled = !!sqlite3.opfs; + return rc; + }, + + + export: function(ev){ + const db = getMsgDb(ev); + const response = { + byteArray: sqlite3.capi.sqlite3_js_db_export(db.pointer), + filename: db.filename, + mimetype: 'application/x-sqlite3' + }; + wState.xfer.push(response.byteArray.buffer); + return response; + }, + + toss: function(ev){ + toss("Testing worker exception"); + }, + + 'opfs-tree': async function(ev){ + if(!sqlite3.opfs) toss("OPFS support is unavailable."); + const response = await sqlite3.opfs.treeList(); + return response; + } + }; + + globalThis.onmessage = async function(ev){ + ev = ev.data; + let result, dbId = ev.dbId, evType = ev.type; + const arrivalTime = performance.now(); + try { + if(wMsgHandler.hasOwnProperty(evType) && + wMsgHandler[evType] instanceof Function){ + result = await wMsgHandler[evType](ev); + }else{ + toss("Unknown db worker message type:",ev.type); + } + }catch(err){ + evType = 'error'; + result = { + operation: ev.type, + message: err.message, + errorClass: err.name, + input: ev + }; + if(err.stack){ + result.stack = ('string'===typeof err.stack) + ? err.stack.split(/\n\s*/) : err.stack; + } + if(0) sqlite3.config.warn("Worker is propagating an exception to main thread.", + "Reporting it _here_ for the stack trace:",err,result); + } + if(!dbId){ + dbId = result.dbId + || getDefaultDbId(); + } + + + wState.post({ + type: evType, + dbId: dbId, + messageId: ev.messageId, + workerReceivedTime: arrivalTime, + workerRespondTime: performance.now(), + departureTime: ev.departureTime, + + + + + + + result: result + }, wState.xfer); + }; + globalThis.postMessage({type:'sqlite3-api',result:'worker1-ready'}); +}.bind({sqlite3}); +}); + + + + + +'use strict'; +globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){ + const wasm = sqlite3.wasm, capi = sqlite3.capi, toss = sqlite3.util.toss3; + const vfs = Object.create(null), vtab = Object.create(null); + + const StructBinder = sqlite3.StructBinder + ; + sqlite3.vfs = vfs; + sqlite3.vtab = vtab; + + const sii = capi.sqlite3_index_info; + + sii.prototype.nthConstraint = function(n, asPtr=false){ + if(n<0 || n>=this.$nConstraint) return false; + const ptr = this.$aConstraint + ( + sii.sqlite3_index_constraint.structInfo.sizeof * n + ); + return asPtr ? ptr : new sii.sqlite3_index_constraint(ptr); + }; + + + sii.prototype.nthConstraintUsage = function(n, asPtr=false){ + if(n<0 || n>=this.$nConstraint) return false; + const ptr = this.$aConstraintUsage + ( + sii.sqlite3_index_constraint_usage.structInfo.sizeof * n + ); + return asPtr ? ptr : new sii.sqlite3_index_constraint_usage(ptr); + }; + + + sii.prototype.nthOrderBy = function(n, asPtr=false){ + if(n<0 || n>=this.$nOrderBy) return false; + const ptr = this.$aOrderBy + ( + sii.sqlite3_index_orderby.structInfo.sizeof * n + ); + return asPtr ? ptr : new sii.sqlite3_index_orderby(ptr); + }; + + + const installMethod = function callee( + tgt, name, func, applyArgcCheck = callee.installMethodArgcCheck + ){ + if(!(tgt instanceof StructBinder.StructType)){ + toss("Usage error: target object is-not-a StructType."); + }else if(!(func instanceof Function) && !wasm.isPtr(func)){ + toss("Usage errror: expecting a Function or WASM pointer to one."); + } + if(1===arguments.length){ + return (n,f)=>callee(tgt, n, f, applyArgcCheck); + } + if(!callee.argcProxy){ + callee.argcProxy = function(tgt, funcName, func,sig){ + return function(...args){ + if(func.length!==arguments.length){ + toss("Argument mismatch for", + tgt.structInfo.name+"::"+funcName + +": Native signature is:",sig); + } + return func.apply(this, args); + } + }; + + callee.removeFuncList = function(){ + if(this.ondispose.__removeFuncList){ + this.ondispose.__removeFuncList.forEach( + (v,ndx)=>{ + if('number'===typeof v){ + try{wasm.uninstallFunction(v)} + catch(e){} + } + + } + ); + delete this.ondispose.__removeFuncList; + } + }; + } + const sigN = tgt.memberSignature(name); + if(sigN.length<2){ + toss("Member",name,"does not have a function pointer signature:",sigN); + } + const memKey = tgt.memberKey(name); + const fProxy = (applyArgcCheck && !wasm.isPtr(func)) + + ? callee.argcProxy(tgt, memKey, func, sigN) + : func; + if(wasm.isPtr(fProxy)){ + if(fProxy && !wasm.functionEntry(fProxy)){ + toss("Pointer",fProxy,"is not a WASM function table entry."); + } + tgt[memKey] = fProxy; + }else{ + const pFunc = wasm.installFunction(fProxy, tgt.memberSignature(name, true)); + tgt[memKey] = pFunc; + if(!tgt.ondispose || !tgt.ondispose.__removeFuncList){ + tgt.addOnDispose('ondispose.__removeFuncList handler', + callee.removeFuncList); + tgt.ondispose.__removeFuncList = []; + } + tgt.ondispose.__removeFuncList.push(memKey, pFunc); + } + return (n,f)=>callee(tgt, n, f, applyArgcCheck); + }; + installMethod.installMethodArgcCheck = false; + + + const installMethods = function( + structInstance, methods, applyArgcCheck = installMethod.installMethodArgcCheck + ){ + const seen = new Map ; + for(const k of Object.keys(methods)){ + const m = methods[k]; + const prior = seen.get(m); + if(prior){ + const mkey = structInstance.memberKey(k); + structInstance[mkey] = structInstance[structInstance.memberKey(prior)]; + }else{ + installMethod(structInstance, k, m, applyArgcCheck); + seen.set(m, k); + } + } + return structInstance; + }; + + + StructBinder.StructType.prototype.installMethod = function callee( + name, func, applyArgcCheck = installMethod.installMethodArgcCheck + ){ + return (arguments.length < 3 && name && 'object'===typeof name) + ? installMethods(this, ...arguments) + : installMethod(this, ...arguments); + }; + + + StructBinder.StructType.prototype.installMethods = function( + methods, applyArgcCheck = installMethod.installMethodArgcCheck + ){ + return installMethods(this, methods, applyArgcCheck); + }; + + + capi.sqlite3_vfs.prototype.registerVfs = function(asDefault=false){ + if(!(this instanceof sqlite3.capi.sqlite3_vfs)){ + toss("Expecting a sqlite3_vfs-type argument."); + } + const rc = capi.sqlite3_vfs_register(this, asDefault ? 1 : 0); + if(rc){ + toss("sqlite3_vfs_register(",this,") failed with rc",rc); + } + if(this.pointer !== capi.sqlite3_vfs_find(this.$zName)){ + toss("BUG: sqlite3_vfs_find(vfs.$zName) failed for just-installed VFS", + this); + } + return this; + }; + + + vfs.installVfs = function(opt){ + let count = 0; + const propList = ['io','vfs']; + for(const key of propList){ + const o = opt[key]; + if(o){ + ++count; + installMethods(o.struct, o.methods, !!o.applyArgcCheck); + if('vfs'===key){ + if(!o.struct.$zName && 'string'===typeof o.name){ + o.struct.addOnDispose( + o.struct.$zName = wasm.allocCString(o.name) + ); + } + o.struct.registerVfs(!!o.asDefault); + } + } + } + if(!count) toss("Misuse: installVfs() options object requires at least", + "one of:", propList); + return this; + }; + + + const __xWrapFactory = function(methodName,StructType){ + return function(ptr,removeMapping=false){ + if(0===arguments.length) ptr = new StructType; + if(ptr instanceof StructType){ + + this.set(ptr.pointer, ptr); + return ptr; + }else if(!wasm.isPtr(ptr)){ + sqlite3.SQLite3Error.toss("Invalid argument to",methodName+"()"); + } + let rc = this.get(ptr); + if(removeMapping) this.delete(ptr); + return rc; + }.bind(new Map); + }; + + + const StructPtrMapper = function(name, StructType){ + const __xWrap = __xWrapFactory(name,StructType); + + return Object.assign(Object.create(null),{ + + StructType, + + create: (ppOut)=>{ + const rc = __xWrap(); + wasm.pokePtr(ppOut, rc.pointer); + return rc; + }, + + get: (pCObj)=>__xWrap(pCObj), + + unget: (pCObj)=>__xWrap(pCObj,true), + + dispose: (pCObj)=>{ + const o = __xWrap(pCObj,true); + if(o) o.dispose(); + } + }); + }; + + + vtab.xVtab = StructPtrMapper('xVtab', capi.sqlite3_vtab); + + + vtab.xCursor = StructPtrMapper('xCursor', capi.sqlite3_vtab_cursor); + + + vtab.xIndexInfo = (pIdxInfo)=>new capi.sqlite3_index_info(pIdxInfo); + + + + + + vtab.xError = function f(methodName, err, defaultRc){ + if(f.errorReporter instanceof Function){ + try{f.errorReporter("sqlite3_module::"+methodName+"(): "+err.message);} + catch(e){} + } + let rc; + if(err instanceof sqlite3.WasmAllocError) rc = capi.SQLITE_NOMEM; + else if(arguments.length>2) rc = defaultRc; + else if(err instanceof sqlite3.SQLite3Error) rc = err.resultCode; + return rc || capi.SQLITE_ERROR; + }; + vtab.xError.errorReporter = 1 ? console.error.bind(console) : false; + + + + + + vtab.xRowid = (ppRowid64, value)=>wasm.poke(ppRowid64, value, 'i64'); + + + vtab.setupModule = function(opt){ + let createdMod = false; + const mod = (this instanceof capi.sqlite3_module) + ? this : (opt.struct || (createdMod = new capi.sqlite3_module())); + try{ + const methods = opt.methods || toss("Missing 'methods' object."); + for(const e of Object.entries({ + + + xConnect: 'xCreate', xDisconnect: 'xDestroy' + })){ + + const k = e[0], v = e[1]; + if(true === methods[k]) methods[k] = methods[v]; + else if(true === methods[v]) methods[v] = methods[k]; + } + if(opt.catchExceptions){ + const fwrap = function(methodName, func){ + if(['xConnect','xCreate'].indexOf(methodName) >= 0){ + return function(pDb, pAux, argc, argv, ppVtab, pzErr){ + try{return func(...arguments) || 0} + catch(e){ + if(!(e instanceof sqlite3.WasmAllocError)){ + wasm.dealloc(wasm.peekPtr(pzErr)); + wasm.pokePtr(pzErr, wasm.allocCString(e.message)); + } + return vtab.xError(methodName, e); + } + }; + }else{ + return function(...args){ + try{return func(...args) || 0} + catch(e){ + return vtab.xError(methodName, e); + } + }; + } + }; + const mnames = [ + 'xCreate', 'xConnect', 'xBestIndex', 'xDisconnect', + 'xDestroy', 'xOpen', 'xClose', 'xFilter', 'xNext', + 'xEof', 'xColumn', 'xRowid', 'xUpdate', + 'xBegin', 'xSync', 'xCommit', 'xRollback', + 'xFindFunction', 'xRename', 'xSavepoint', 'xRelease', + 'xRollbackTo', 'xShadowName' + ]; + const remethods = Object.create(null); + for(const k of mnames){ + const m = methods[k]; + if(!(m instanceof Function)) continue; + else if('xConnect'===k && methods.xCreate===m){ + remethods[k] = methods.xCreate; + }else if('xCreate'===k && methods.xConnect===m){ + remethods[k] = methods.xConnect; + }else{ + remethods[k] = fwrap(k, m); + } + } + installMethods(mod, remethods, false); + }else{ + + + installMethods( + mod, methods, !!opt.applyArgcCheck + ); + } + if(0===mod.$iVersion){ + let v; + if('number'===typeof opt.iVersion) v = opt.iVersion; + else if(mod.$xShadowName) v = 3; + else if(mod.$xSavePoint || mod.$xRelease || mod.$xRollbackTo) v = 2; + else v = 1; + mod.$iVersion = v; + } + }catch(e){ + if(createdMod) createdMod.dispose(); + throw e; + } + return mod; + }; + + + capi.sqlite3_module.prototype.setupModule = function(opt){ + return vtab.setupModule.call(this, opt); + }; +}); + + + +'use strict'; +globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){ + +const installOpfsVfs = function callee(options){ + if(!globalThis.SharedArrayBuffer + || !globalThis.Atomics){ + return Promise.reject( + new Error("Cannot install OPFS: Missing SharedArrayBuffer and/or Atomics. "+ + "The server must emit the COOP/COEP response headers to enable those. "+ + "See https://sqlite.org/wasm/doc/trunk/persistence.md#coop-coep") + ); + }else if('undefined'===typeof WorkerGlobalScope){ + return Promise.reject( + new Error("The OPFS sqlite3_vfs cannot run in the main thread "+ + "because it requires Atomics.wait().") + ); + }else if(!globalThis.FileSystemHandle || + !globalThis.FileSystemDirectoryHandle || + !globalThis.FileSystemFileHandle || + !globalThis.FileSystemFileHandle.prototype.createSyncAccessHandle || + !navigator?.storage?.getDirectory){ + return Promise.reject( + new Error("Missing required OPFS APIs.") + ); + } + if(!options || 'object'!==typeof options){ + options = Object.create(null); + } + const urlParams = new URL(globalThis.location.href).searchParams; + if(urlParams.has('opfs-disable')){ + + return Promise.resolve(sqlite3); + } + if(undefined===options.verbose){ + options.verbose = urlParams.has('opfs-verbose') + ? (+urlParams.get('opfs-verbose') || 2) : 1; + } + if(undefined===options.sanityChecks){ + options.sanityChecks = urlParams.has('opfs-sanity-check'); + } + if(undefined===options.proxyUri){ + options.proxyUri = callee.defaultProxyUri; + } + + + + if('function' === typeof options.proxyUri){ + options.proxyUri = options.proxyUri(); + } + const thePromise = new Promise(function(promiseResolve_, promiseReject_){ + const loggers = [ + sqlite3.config.error, + sqlite3.config.warn, + sqlite3.config.log + ]; + const logImpl = (level,...args)=>{ + if(options.verbose>level) loggers[level]("OPFS syncer:",...args); + }; + const log = (...args)=>logImpl(2, ...args); + const warn = (...args)=>logImpl(1, ...args); + const error = (...args)=>logImpl(0, ...args); + const toss = sqlite3.util.toss; + const capi = sqlite3.capi; + const util = sqlite3.util; + const wasm = sqlite3.wasm; + const sqlite3_vfs = capi.sqlite3_vfs; + const sqlite3_file = capi.sqlite3_file; + const sqlite3_io_methods = capi.sqlite3_io_methods; + + const opfsUtil = Object.create(null); + + + const thisThreadHasOPFS = ()=>{ + return globalThis.FileSystemHandle && + globalThis.FileSystemDirectoryHandle && + globalThis.FileSystemFileHandle && + globalThis.FileSystemFileHandle.prototype.createSyncAccessHandle && + navigator?.storage?.getDirectory; + }; + + + opfsUtil.metrics = { + dump: function(){ + let k, n = 0, t = 0, w = 0; + for(k in state.opIds){ + const m = metrics[k]; + n += m.count; + t += m.time; + w += m.wait; + m.avgTime = (m.count && m.time) ? (m.time / m.count) : 0; + m.avgWait = (m.count && m.wait) ? (m.wait / m.count) : 0; + } + sqlite3.config.log(globalThis.location.href, + "metrics for",globalThis.location.href,":",metrics, + "\nTotal of",n,"op(s) for",t, + "ms (incl. "+w+" ms of waiting on the async side)"); + sqlite3.config.log("Serialization metrics:",metrics.s11n); + W.postMessage({type:'opfs-async-metrics'}); + }, + reset: function(){ + let k; + const r = (m)=>(m.count = m.time = m.wait = 0); + for(k in state.opIds){ + r(metrics[k] = Object.create(null)); + } + let s = metrics.s11n = Object.create(null); + s = s.serialize = Object.create(null); + s.count = s.time = 0; + s = metrics.s11n.deserialize = Object.create(null); + s.count = s.time = 0; + } + }; + const opfsIoMethods = new sqlite3_io_methods(); + const opfsVfs = new sqlite3_vfs() + .addOnDispose( ()=>opfsIoMethods.dispose()); + let promiseWasRejected = undefined; + const promiseReject = (err)=>{ + promiseWasRejected = true; + opfsVfs.dispose(); + return promiseReject_(err); + }; + const promiseResolve = ()=>{ + promiseWasRejected = false; + return promiseResolve_(sqlite3); + }; + const W = + new Worker(options.proxyUri); + setTimeout(()=>{ + + if(undefined===promiseWasRejected){ + promiseReject( + new Error("Timeout while waiting for OPFS async proxy worker.") + ); + } + }, 4000); + W._originalOnError = W.onerror ; + W.onerror = function(err){ + + + error("Error initializing OPFS asyncer:",err); + promiseReject(new Error("Loading OPFS async Worker failed for unknown reasons.")); + }; + const pDVfs = capi.sqlite3_vfs_find(null); + const dVfs = pDVfs + ? new sqlite3_vfs(pDVfs) + : null ; + opfsIoMethods.$iVersion = 1; + opfsVfs.$iVersion = 2; + opfsVfs.$szOsFile = capi.sqlite3_file.structInfo.sizeof; + opfsVfs.$mxPathname = 1024; + opfsVfs.$zName = wasm.allocCString("opfs"); + + opfsVfs.$xDlOpen = opfsVfs.$xDlError = opfsVfs.$xDlSym = opfsVfs.$xDlClose = null; + opfsVfs.addOnDispose( + '$zName', opfsVfs.$zName, + 'cleanup default VFS wrapper', ()=>(dVfs ? dVfs.dispose() : null) + ); + + + const state = Object.create(null); + state.verbose = options.verbose; + state.littleEndian = (()=>{ + const buffer = new ArrayBuffer(2); + new DataView(buffer).setInt16(0, 256, true ); + + return new Int16Array(buffer)[0] === 256; + })(); + + state.asyncIdleWaitTime = 150; + + + state.asyncS11nExceptions = 1; + + state.fileBufferSize = 1024 * 64; + state.sabS11nOffset = state.fileBufferSize; + + state.sabS11nSize = opfsVfs.$mxPathname * 2; + + state.sabIO = new SharedArrayBuffer( + state.fileBufferSize + + state.sabS11nSize + ); + state.opIds = Object.create(null); + const metrics = Object.create(null); + { + + let i = 0; + + state.opIds.whichOp = i++; + + state.opIds.rc = i++; + + state.opIds.xAccess = i++; + state.opIds.xClose = i++; + state.opIds.xDelete = i++; + state.opIds.xDeleteNoWait = i++; + state.opIds.xFileSize = i++; + state.opIds.xLock = i++; + state.opIds.xOpen = i++; + state.opIds.xRead = i++; + state.opIds.xSleep = i++; + state.opIds.xSync = i++; + state.opIds.xTruncate = i++; + state.opIds.xUnlock = i++; + state.opIds.xWrite = i++; + state.opIds.mkdir = i++; + state.opIds['opfs-async-metrics'] = i++; + state.opIds['opfs-async-shutdown'] = i++; + + state.opIds.retry = i++; + state.sabOP = new SharedArrayBuffer( + i * 4); + opfsUtil.metrics.reset(); + } + + state.sq3Codes = Object.create(null); + [ + 'SQLITE_ACCESS_EXISTS', + 'SQLITE_ACCESS_READWRITE', + 'SQLITE_BUSY', + 'SQLITE_ERROR', + 'SQLITE_IOERR', + 'SQLITE_IOERR_ACCESS', + 'SQLITE_IOERR_CLOSE', + 'SQLITE_IOERR_DELETE', + 'SQLITE_IOERR_FSYNC', + 'SQLITE_IOERR_LOCK', + 'SQLITE_IOERR_READ', + 'SQLITE_IOERR_SHORT_READ', + 'SQLITE_IOERR_TRUNCATE', + 'SQLITE_IOERR_UNLOCK', + 'SQLITE_IOERR_WRITE', + 'SQLITE_LOCK_EXCLUSIVE', + 'SQLITE_LOCK_NONE', + 'SQLITE_LOCK_PENDING', + 'SQLITE_LOCK_RESERVED', + 'SQLITE_LOCK_SHARED', + 'SQLITE_LOCKED', + 'SQLITE_MISUSE', + 'SQLITE_NOTFOUND', + 'SQLITE_OPEN_CREATE', + 'SQLITE_OPEN_DELETEONCLOSE', + 'SQLITE_OPEN_MAIN_DB', + 'SQLITE_OPEN_READONLY' + ].forEach((k)=>{ + if(undefined === (state.sq3Codes[k] = capi[k])){ + toss("Maintenance required: not found:",k); + } + }); + state.opfsFlags = Object.assign(Object.create(null),{ + + OPFS_UNLOCK_ASAP: 0x01, + + defaultUnlockAsap: false + }); + + + const opRun = (op,...args)=>{ + const opNdx = state.opIds[op] || toss("Invalid op ID:",op); + state.s11n.serialize(...args); + Atomics.store(state.sabOPView, state.opIds.rc, -1); + Atomics.store(state.sabOPView, state.opIds.whichOp, opNdx); + Atomics.notify(state.sabOPView, state.opIds.whichOp) + ; + const t = performance.now(); + Atomics.wait(state.sabOPView, state.opIds.rc, -1) + ; + const rc = Atomics.load(state.sabOPView, state.opIds.rc); + metrics[op].wait += performance.now() - t; + if(rc && state.asyncS11nExceptions){ + const err = state.s11n.deserialize(); + if(err) error(op+"() async error:",...err); + } + return rc; + }; + + + opfsUtil.debug = { + asyncShutdown: ()=>{ + warn("Shutting down OPFS async listener. The OPFS VFS will no longer work."); + opRun('opfs-async-shutdown'); + }, + asyncRestart: ()=>{ + warn("Attempting to restart OPFS VFS async listener. Might work, might not."); + W.postMessage({type: 'opfs-async-restart'}); + } + }; + + const initS11n = ()=>{ + + if(state.s11n) return state.s11n; + const textDecoder = new TextDecoder(), + textEncoder = new TextEncoder('utf-8'), + viewU8 = new Uint8Array(state.sabIO, state.sabS11nOffset, state.sabS11nSize), + viewDV = new DataView(state.sabIO, state.sabS11nOffset, state.sabS11nSize); + state.s11n = Object.create(null); + + const TypeIds = Object.create(null); + TypeIds.number = { id: 1, size: 8, getter: 'getFloat64', setter: 'setFloat64' }; + TypeIds.bigint = { id: 2, size: 8, getter: 'getBigInt64', setter: 'setBigInt64' }; + TypeIds.boolean = { id: 3, size: 4, getter: 'getInt32', setter: 'setInt32' }; + TypeIds.string = { id: 4 }; + + const getTypeId = (v)=>( + TypeIds[typeof v] + || toss("Maintenance required: this value type cannot be serialized.",v) + ); + const getTypeIdById = (tid)=>{ + switch(tid){ + case TypeIds.number.id: return TypeIds.number; + case TypeIds.bigint.id: return TypeIds.bigint; + case TypeIds.boolean.id: return TypeIds.boolean; + case TypeIds.string.id: return TypeIds.string; + default: toss("Invalid type ID:",tid); + } + }; + + + state.s11n.deserialize = function(clear=false){ + ++metrics.s11n.deserialize.count; + const t = performance.now(); + const argc = viewU8[0]; + const rc = argc ? [] : null; + if(argc){ + const typeIds = []; + let offset = 1, i, n, v; + for(i = 0; i < argc; ++i, ++offset){ + typeIds.push(getTypeIdById(viewU8[offset])); + } + for(i = 0; i < argc; ++i){ + const t = typeIds[i]; + if(t.getter){ + v = viewDV[t.getter](offset, state.littleEndian); + offset += t.size; + }else{ + n = viewDV.getInt32(offset, state.littleEndian); + offset += 4; + v = textDecoder.decode(viewU8.slice(offset, offset+n)); + offset += n; + } + rc.push(v); + } + } + if(clear) viewU8[0] = 0; + + metrics.s11n.deserialize.time += performance.now() - t; + return rc; + }; + + + state.s11n.serialize = function(...args){ + const t = performance.now(); + ++metrics.s11n.serialize.count; + if(args.length){ + + const typeIds = []; + let i = 0, offset = 1; + viewU8[0] = args.length & 0xff ; + for(; i < args.length; ++i, ++offset){ + + typeIds.push(getTypeId(args[i])); + viewU8[offset] = typeIds[i].id; + } + for(i = 0; i < args.length; ++i) { + + const t = typeIds[i]; + if(t.setter){ + viewDV[t.setter](offset, args[i], state.littleEndian); + offset += t.size; + }else{ + const s = textEncoder.encode(args[i]); + viewDV.setInt32(offset, s.byteLength, state.littleEndian); + offset += 4; + viewU8.set(s, offset); + offset += s.byteLength; + } + } + + }else{ + viewU8[0] = 0; + } + metrics.s11n.serialize.time += performance.now() - t; + }; + return state.s11n; + }; + + + const randomFilename = function f(len=16){ + if(!f._chars){ + f._chars = "abcdefghijklmnopqrstuvwxyz"+ + "ABCDEFGHIJKLMNOPQRSTUVWXYZ"+ + "012346789"; + f._n = f._chars.length; + } + const a = []; + let i = 0; + for( ; i < len; ++i){ + const ndx = Math.random() * (f._n * 64) % f._n | 0; + a[i] = f._chars[ndx]; + } + return a.join(""); + + }; + + + const __openFiles = Object.create(null); + + const opTimer = Object.create(null); + opTimer.op = undefined; + opTimer.start = undefined; + const mTimeStart = (op)=>{ + opTimer.start = performance.now(); + opTimer.op = op; + ++metrics[op].count; + }; + const mTimeEnd = ()=>( + metrics[opTimer.op].time += performance.now() - opTimer.start + ); + + + const ioSyncWrappers = { + xCheckReservedLock: function(pFile,pOut){ + + const f = __openFiles[pFile]; + wasm.poke(pOut, f.lockType ? 1 : 0, 'i32'); + return 0; + }, + xClose: function(pFile){ + mTimeStart('xClose'); + let rc = 0; + const f = __openFiles[pFile]; + if(f){ + delete __openFiles[pFile]; + rc = opRun('xClose', pFile); + if(f.sq3File) f.sq3File.dispose(); + } + mTimeEnd(); + return rc; + }, + xDeviceCharacteristics: function(pFile){ + + return capi.SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN; + }, + xFileControl: function(pFile, opId, pArg){ + + return capi.SQLITE_NOTFOUND; + }, + xFileSize: function(pFile,pSz64){ + mTimeStart('xFileSize'); + let rc = opRun('xFileSize', pFile); + if(0==rc){ + try { + const sz = state.s11n.deserialize()[0]; + wasm.poke(pSz64, sz, 'i64'); + }catch(e){ + error("Unexpected error reading xFileSize() result:",e); + rc = state.sq3Codes.SQLITE_IOERR; + } + } + mTimeEnd(); + return rc; + }, + xLock: function(pFile,lockType){ + mTimeStart('xLock'); + const f = __openFiles[pFile]; + let rc = 0; + + if( !f.lockType ) { + rc = opRun('xLock', pFile, lockType); + if( 0===rc ) f.lockType = lockType; + }else{ + f.lockType = lockType; + } + mTimeEnd(); + return rc; + }, + xRead: function(pFile,pDest,n,offset64){ + mTimeStart('xRead'); + const f = __openFiles[pFile]; + let rc; + try { + rc = opRun('xRead',pFile, n, Number(offset64)); + if(0===rc || capi.SQLITE_IOERR_SHORT_READ===rc){ + + wasm.heap8u().set(f.sabView.subarray(0, n), pDest); + } + }catch(e){ + error("xRead(",arguments,") failed:",e,f); + rc = capi.SQLITE_IOERR_READ; + } + mTimeEnd(); + return rc; + }, + xSync: function(pFile,flags){ + mTimeStart('xSync'); + ++metrics.xSync.count; + const rc = opRun('xSync', pFile, flags); + mTimeEnd(); + return rc; + }, + xTruncate: function(pFile,sz64){ + mTimeStart('xTruncate'); + const rc = opRun('xTruncate', pFile, Number(sz64)); + mTimeEnd(); + return rc; + }, + xUnlock: function(pFile,lockType){ + mTimeStart('xUnlock'); + const f = __openFiles[pFile]; + let rc = 0; + if( capi.SQLITE_LOCK_NONE === lockType + && f.lockType ){ + rc = opRun('xUnlock', pFile, lockType); + } + if( 0===rc ) f.lockType = lockType; + mTimeEnd(); + return rc; + }, + xWrite: function(pFile,pSrc,n,offset64){ + mTimeStart('xWrite'); + const f = __openFiles[pFile]; + let rc; + try { + f.sabView.set(wasm.heap8u().subarray(pSrc, pSrc+n)); + rc = opRun('xWrite', pFile, n, Number(offset64)); + }catch(e){ + error("xWrite(",arguments,") failed:",e,f); + rc = capi.SQLITE_IOERR_WRITE; + } + mTimeEnd(); + return rc; + } + }; + + + const vfsSyncWrappers = { + xAccess: function(pVfs,zName,flags,pOut){ + mTimeStart('xAccess'); + const rc = opRun('xAccess', wasm.cstrToJs(zName)); + wasm.poke( pOut, (rc ? 0 : 1), 'i32' ); + mTimeEnd(); + return 0; + }, + xCurrentTime: function(pVfs,pOut){ + + wasm.poke(pOut, 2440587.5 + (new Date().getTime()/86400000), + 'double'); + return 0; + }, + xCurrentTimeInt64: function(pVfs,pOut){ + wasm.poke(pOut, (2440587.5 * 86400000) + new Date().getTime(), + 'i64'); + return 0; + }, + xDelete: function(pVfs, zName, doSyncDir){ + mTimeStart('xDelete'); + const rc = opRun('xDelete', wasm.cstrToJs(zName), doSyncDir, false); + mTimeEnd(); + return rc; + }, + xFullPathname: function(pVfs,zName,nOut,pOut){ + + const i = wasm.cstrncpy(pOut, zName, nOut); + return i!!v) : p; + }; + + + opfsUtil.getDirForFilename = async function f(absFilename, createDirs = false){ + const path = opfsUtil.getResolvedPath(absFilename, true); + const filename = path.pop(); + let dh = opfsUtil.rootDirectory; + for(const dirName of path){ + if(dirName){ + dh = await dh.getDirectoryHandle(dirName, {create: !!createDirs}); + } + } + return [dh, filename]; + }; + + + opfsUtil.mkdir = async function(absDirName){ + try { + await opfsUtil.getDirForFilename(absDirName+"/filepart", true); + return true; + }catch(e){ + + return false; + } + }; + + opfsUtil.entryExists = async function(fsEntryName){ + try { + const [dh, fn] = await opfsUtil.getDirForFilename(fsEntryName); + await dh.getFileHandle(fn); + return true; + }catch(e){ + return false; + } + }; + + + opfsUtil.randomFilename = randomFilename; + + + opfsUtil.registerVfs = (asDefault=false)=>{ + return wasm.exports.sqlite3_vfs_register( + opfsVfs.pointer, asDefault ? 1 : 0 + ); + }; + + + opfsUtil.treeList = async function(){ + const doDir = async function callee(dirHandle,tgt){ + tgt.name = dirHandle.name; + tgt.dirs = []; + tgt.files = []; + for await (const handle of dirHandle.values()){ + if('directory' === handle.kind){ + const subDir = Object.create(null); + tgt.dirs.push(subDir); + await callee(handle, subDir); + }else{ + tgt.files.push(handle.name); + } + } + }; + const root = Object.create(null); + await doDir(opfsUtil.rootDirectory, root); + return root; + }; + + + opfsUtil.rmfr = async function(){ + const dir = opfsUtil.rootDirectory, opt = {recurse: true}; + for await (const handle of dir.values()){ + dir.removeEntry(handle.name, opt); + } + }; + + + opfsUtil.unlink = async function(fsEntryName, recursive = false, + throwOnError = false){ + try { + const [hDir, filenamePart] = + await opfsUtil.getDirForFilename(fsEntryName, false); + await hDir.removeEntry(filenamePart, {recursive}); + return true; + }catch(e){ + if(throwOnError){ + throw new Error("unlink(",arguments[0],") failed: "+e.message,{ + cause: e + }); + } + return false; + } + }; + + + opfsUtil.traverse = async function(opt){ + const defaultOpt = { + recursive: true, + directory: opfsUtil.rootDirectory + }; + if('function'===typeof opt){ + opt = {callback:opt}; + } + opt = Object.assign(defaultOpt, opt||{}); + const doDir = async function callee(dirHandle, depth){ + for await (const handle of dirHandle.values()){ + if(false === opt.callback(handle, dirHandle, depth)) return false; + else if(opt.recursive && 'directory' === handle.kind){ + if(false === await callee(handle, depth + 1)) break; + } + } + }; + doDir(opt.directory, 0); + }; + + + const importDbChunked = async function(filename, callback){ + const [hDir, fnamePart] = await opfsUtil.getDirForFilename(filename, true); + const hFile = await hDir.getFileHandle(fnamePart, {create:true}); + let sah = await hFile.createSyncAccessHandle(); + let nWrote = 0, chunk, checkedHeader = false, err = false; + try{ + sah.truncate(0); + while( undefined !== (chunk = await callback()) ){ + if(chunk instanceof ArrayBuffer) chunk = new Uint8Array(chunk); + if( 0===nWrote && chunk.byteLength>=15 ){ + util.affirmDbHeader(chunk); + checkedHeader = true; + } + sah.write(chunk, {at: nWrote}); + nWrote += chunk.byteLength; + } + if( nWrote < 512 || 0!==nWrote % 512 ){ + toss("Input size",nWrote,"is not correct for an SQLite database."); + } + if( !checkedHeader ){ + const header = new Uint8Array(20); + sah.read( header, {at: 0} ); + util.affirmDbHeader( header ); + } + sah.write(new Uint8Array([1,1]), {at: 18}); + return nWrote; + }catch(e){ + await sah.close(); + sah = undefined; + await hDir.removeEntry( fnamePart ).catch(()=>{}); + throw e; + }finally { + if( sah ) await sah.close(); + } + }; + + + opfsUtil.importDb = async function(filename, bytes){ + if( bytes instanceof Function ){ + return importDbChunked(filename, bytes); + } + if(bytes instanceof ArrayBuffer) bytes = new Uint8Array(bytes); + util.affirmIsDb(bytes); + const n = bytes.byteLength; + const [hDir, fnamePart] = await opfsUtil.getDirForFilename(filename, true); + let sah, err, nWrote = 0; + try { + const hFile = await hDir.getFileHandle(fnamePart, {create:true}); + sah = await hFile.createSyncAccessHandle(); + sah.truncate(0); + nWrote = sah.write(bytes, {at: 0}); + if(nWrote != n){ + toss("Expected to write "+n+" bytes but wrote "+nWrote+"."); + } + sah.write(new Uint8Array([1,1]), {at: 18}) ; + return nWrote; + }catch(e){ + if( sah ){ await sah.close(); sah = undefined; } + await hDir.removeEntry( fnamePart ).catch(()=>{}); + throw e; + }finally{ + if( sah ) await sah.close(); + } + }; + + if(sqlite3.oo1){ + const OpfsDb = function(...args){ + const opt = sqlite3.oo1.DB.dbCtorHelper.normalizeArgs(...args); + opt.vfs = opfsVfs.$zName; + sqlite3.oo1.DB.dbCtorHelper.call(this, opt); + }; + OpfsDb.prototype = Object.create(sqlite3.oo1.DB.prototype); + sqlite3.oo1.OpfsDb = OpfsDb; + OpfsDb.importDb = opfsUtil.importDb; + sqlite3.oo1.DB.dbCtorHelper.setVfsPostOpenSql( + opfsVfs.pointer, + function(oo1Db, sqlite3){ + + sqlite3.capi.sqlite3_busy_timeout(oo1Db, 10000); + sqlite3.capi.sqlite3_exec(oo1Db, [ + + "pragma journal_mode=DELETE;", + + "pragma cache_size=-16384;" + ], 0, 0, 0); + } + ); + } + + const sanityCheck = function(){ + const scope = wasm.scopedAllocPush(); + const sq3File = new sqlite3_file(); + try{ + const fid = sq3File.pointer; + const openFlags = capi.SQLITE_OPEN_CREATE + | capi.SQLITE_OPEN_READWRITE + + | capi.SQLITE_OPEN_MAIN_DB; + const pOut = wasm.scopedAlloc(8); + const dbFile = "/sanity/check/file"+randomFilename(8); + const zDbFile = wasm.scopedAllocCString(dbFile); + let rc; + state.s11n.serialize("This is ä string."); + rc = state.s11n.deserialize(); + log("deserialize() says:",rc); + if("This is ä string."!==rc[0]) toss("String d13n error."); + vfsSyncWrappers.xAccess(opfsVfs.pointer, zDbFile, 0, pOut); + rc = wasm.peek(pOut,'i32'); + log("xAccess(",dbFile,") exists ?=",rc); + rc = vfsSyncWrappers.xOpen(opfsVfs.pointer, zDbFile, + fid, openFlags, pOut); + log("open rc =",rc,"state.sabOPView[xOpen] =", + state.sabOPView[state.opIds.xOpen]); + if(0!==rc){ + error("open failed with code",rc); + return; + } + vfsSyncWrappers.xAccess(opfsVfs.pointer, zDbFile, 0, pOut); + rc = wasm.peek(pOut,'i32'); + if(!rc) toss("xAccess() failed to detect file."); + rc = ioSyncWrappers.xSync(sq3File.pointer, 0); + if(rc) toss('sync failed w/ rc',rc); + rc = ioSyncWrappers.xTruncate(sq3File.pointer, 1024); + if(rc) toss('truncate failed w/ rc',rc); + wasm.poke(pOut,0,'i64'); + rc = ioSyncWrappers.xFileSize(sq3File.pointer, pOut); + if(rc) toss('xFileSize failed w/ rc',rc); + log("xFileSize says:",wasm.peek(pOut, 'i64')); + rc = ioSyncWrappers.xWrite(sq3File.pointer, zDbFile, 10, 1); + if(rc) toss("xWrite() failed!"); + const readBuf = wasm.scopedAlloc(16); + rc = ioSyncWrappers.xRead(sq3File.pointer, readBuf, 6, 2); + wasm.poke(readBuf+6,0); + let jRead = wasm.cstrToJs(readBuf); + log("xRead() got:",jRead); + if("sanity"!==jRead) toss("Unexpected xRead() value."); + if(vfsSyncWrappers.xSleep){ + log("xSleep()ing before close()ing..."); + vfsSyncWrappers.xSleep(opfsVfs.pointer,2000); + log("waking up from xSleep()"); + } + rc = ioSyncWrappers.xClose(fid); + log("xClose rc =",rc,"sabOPView =",state.sabOPView); + log("Deleting file:",dbFile); + vfsSyncWrappers.xDelete(opfsVfs.pointer, zDbFile, 0x1234); + vfsSyncWrappers.xAccess(opfsVfs.pointer, zDbFile, 0, pOut); + rc = wasm.peek(pOut,'i32'); + if(rc) toss("Expecting 0 from xAccess(",dbFile,") after xDelete()."); + warn("End of OPFS sanity checks."); + }finally{ + sq3File.dispose(); + wasm.scopedAllocPop(scope); + } + }; + + W.onmessage = function({data}){ + + switch(data.type){ + case 'opfs-unavailable': + + promiseReject(new Error(data.payload.join(' '))); + break; + case 'opfs-async-loaded': + + W.postMessage({type: 'opfs-async-init',args: state}); + break; + case 'opfs-async-inited': { + + if(true===promiseWasRejected){ + break ; + } + try { + sqlite3.vfs.installVfs({ + io: {struct: opfsIoMethods, methods: ioSyncWrappers}, + vfs: {struct: opfsVfs, methods: vfsSyncWrappers} + }); + state.sabOPView = new Int32Array(state.sabOP); + state.sabFileBufView = new Uint8Array(state.sabIO, 0, state.fileBufferSize); + state.sabS11nView = new Uint8Array(state.sabIO, state.sabS11nOffset, state.sabS11nSize); + initS11n(); + if(options.sanityChecks){ + warn("Running sanity checks because of opfs-sanity-check URL arg..."); + sanityCheck(); + } + if(thisThreadHasOPFS()){ + navigator.storage.getDirectory().then((d)=>{ + W.onerror = W._originalOnError; + delete W._originalOnError; + sqlite3.opfs = opfsUtil; + opfsUtil.rootDirectory = d; + log("End of OPFS sqlite3_vfs setup.", opfsVfs); + promiseResolve(); + }).catch(promiseReject); + }else{ + promiseResolve(); + } + }catch(e){ + error(e); + promiseReject(e); + } + break; + } + default: { + const errMsg = ( + "Unexpected message from the OPFS async worker: " + + JSON.stringify(data) + ); + error(errMsg); + promiseReject(new Error(errMsg)); + break; + } + } + }; + }); + return thePromise; +}; +installOpfsVfs.defaultProxyUri = + "sqlite3-opfs-async-proxy.js"; +globalThis.sqlite3ApiBootstrap.initializersAsync.push(async (sqlite3)=>{ + try{ + let proxyJs = installOpfsVfs.defaultProxyUri; + if(sqlite3.scriptInfo.sqlite3Dir){ + installOpfsVfs.defaultProxyUri = + sqlite3.scriptInfo.sqlite3Dir + proxyJs; + + } + return installOpfsVfs().catch((e)=>{ + sqlite3.config.warn("Ignoring inability to install OPFS sqlite3_vfs:",e.message); + }); + }catch(e){ + sqlite3.config.error("installOpfsVfs() exception:",e); + return Promise.reject(e); + } +}); +}); + + + +globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){ + 'use strict'; + const toss = sqlite3.util.toss; + const toss3 = sqlite3.util.toss3; + const initPromises = Object.create(null); + const capi = sqlite3.capi; + const util = sqlite3.util; + const wasm = sqlite3.wasm; + + const SECTOR_SIZE = 4096; + const HEADER_MAX_PATH_SIZE = 512; + const HEADER_FLAGS_SIZE = 4; + const HEADER_DIGEST_SIZE = 8; + const HEADER_CORPUS_SIZE = HEADER_MAX_PATH_SIZE + HEADER_FLAGS_SIZE; + const HEADER_OFFSET_FLAGS = HEADER_MAX_PATH_SIZE; + const HEADER_OFFSET_DIGEST = HEADER_CORPUS_SIZE; + const HEADER_OFFSET_DATA = SECTOR_SIZE; + + const PERSISTENT_FILE_TYPES = + capi.SQLITE_OPEN_MAIN_DB | + capi.SQLITE_OPEN_MAIN_JOURNAL | + capi.SQLITE_OPEN_SUPER_JOURNAL | + capi.SQLITE_OPEN_WAL ; + + + const OPAQUE_DIR_NAME = ".opaque"; + + + const getRandomName = ()=>Math.random().toString(36).slice(2); + + const textDecoder = new TextDecoder(); + const textEncoder = new TextEncoder(); + + const optionDefaults = Object.assign(Object.create(null),{ + name: 'opfs-sahpool', + directory: undefined , + initialCapacity: 6, + clearOnInit: false, + + verbosity: 2 + }); + + + const loggers = [ + sqlite3.config.error, + sqlite3.config.warn, + sqlite3.config.log + ]; + const log = sqlite3.config.log; + const warn = sqlite3.config.warn; + const error = sqlite3.config.error; + + + const __mapVfsToPool = new Map(); + const getPoolForVfs = (pVfs)=>__mapVfsToPool.get(pVfs); + const setPoolForVfs = (pVfs,pool)=>{ + if(pool) __mapVfsToPool.set(pVfs, pool); + else __mapVfsToPool.delete(pVfs); + }; + + const __mapSqlite3File = new Map(); + const getPoolForPFile = (pFile)=>__mapSqlite3File.get(pFile); + const setPoolForPFile = (pFile,pool)=>{ + if(pool) __mapSqlite3File.set(pFile, pool); + else __mapSqlite3File.delete(pFile); + }; + + + const ioMethods = { + xCheckReservedLock: function(pFile,pOut){ + const pool = getPoolForPFile(pFile); + pool.log('xCheckReservedLock'); + pool.storeErr(); + wasm.poke32(pOut, 1); + return 0; + }, + xClose: function(pFile){ + const pool = getPoolForPFile(pFile); + pool.storeErr(); + const file = pool.getOFileForS3File(pFile); + if(file) { + try{ + pool.log(`xClose ${file.path}`); + pool.mapS3FileToOFile(pFile, false); + file.sah.flush(); + if(file.flags & capi.SQLITE_OPEN_DELETEONCLOSE){ + pool.deletePath(file.path); + } + }catch(e){ + return pool.storeErr(e, capi.SQLITE_IOERR); + } + } + return 0; + }, + xDeviceCharacteristics: function(pFile){ + return capi.SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN; + }, + xFileControl: function(pFile, opId, pArg){ + return capi.SQLITE_NOTFOUND; + }, + xFileSize: function(pFile,pSz64){ + const pool = getPoolForPFile(pFile); + pool.log(`xFileSize`); + const file = pool.getOFileForS3File(pFile); + const size = file.sah.getSize() - HEADER_OFFSET_DATA; + + wasm.poke64(pSz64, BigInt(size)); + return 0; + }, + xLock: function(pFile,lockType){ + const pool = getPoolForPFile(pFile); + pool.log(`xLock ${lockType}`); + pool.storeErr(); + const file = pool.getOFileForS3File(pFile); + file.lockType = lockType; + return 0; + }, + xRead: function(pFile,pDest,n,offset64){ + const pool = getPoolForPFile(pFile); + pool.storeErr(); + const file = pool.getOFileForS3File(pFile); + pool.log(`xRead ${file.path} ${n} @ ${offset64}`); + try { + const nRead = file.sah.read( + wasm.heap8u().subarray(pDest, pDest+n), + {at: HEADER_OFFSET_DATA + Number(offset64)} + ); + if(nRead < n){ + wasm.heap8u().fill(0, pDest + nRead, pDest + n); + return capi.SQLITE_IOERR_SHORT_READ; + } + return 0; + }catch(e){ + return pool.storeErr(e, capi.SQLITE_IOERR); + } + }, + xSectorSize: function(pFile){ + return SECTOR_SIZE; + }, + xSync: function(pFile,flags){ + const pool = getPoolForPFile(pFile); + pool.log(`xSync ${flags}`); + pool.storeErr(); + const file = pool.getOFileForS3File(pFile); + + try{ + file.sah.flush(); + return 0; + }catch(e){ + return pool.storeErr(e, capi.SQLITE_IOERR); + } + }, + xTruncate: function(pFile,sz64){ + const pool = getPoolForPFile(pFile); + pool.log(`xTruncate ${sz64}`); + pool.storeErr(); + const file = pool.getOFileForS3File(pFile); + + try{ + file.sah.truncate(HEADER_OFFSET_DATA + Number(sz64)); + return 0; + }catch(e){ + return pool.storeErr(e, capi.SQLITE_IOERR); + } + }, + xUnlock: function(pFile,lockType){ + const pool = getPoolForPFile(pFile); + pool.log('xUnlock'); + const file = pool.getOFileForS3File(pFile); + file.lockType = lockType; + return 0; + }, + xWrite: function(pFile,pSrc,n,offset64){ + const pool = getPoolForPFile(pFile); + pool.storeErr(); + const file = pool.getOFileForS3File(pFile); + pool.log(`xWrite ${file.path} ${n} ${offset64}`); + try{ + const nBytes = file.sah.write( + wasm.heap8u().subarray(pSrc, pSrc+n), + { at: HEADER_OFFSET_DATA + Number(offset64) } + ); + return n===nBytes ? 0 : toss("Unknown write() failure."); + }catch(e){ + return pool.storeErr(e, capi.SQLITE_IOERR); + } + } + }; + + const opfsIoMethods = new capi.sqlite3_io_methods(); + opfsIoMethods.$iVersion = 1; + sqlite3.vfs.installVfs({ + io: {struct: opfsIoMethods, methods: ioMethods} + }); + + + const vfsMethods = { + xAccess: function(pVfs,zName,flags,pOut){ + + const pool = getPoolForVfs(pVfs); + pool.storeErr(); + try{ + const name = pool.getPath(zName); + wasm.poke32(pOut, pool.hasFilename(name) ? 1 : 0); + }catch(e){ + + wasm.poke32(pOut, 0); + } + return 0; + }, + xCurrentTime: function(pVfs,pOut){ + wasm.poke(pOut, 2440587.5 + (new Date().getTime()/86400000), + 'double'); + return 0; + }, + xCurrentTimeInt64: function(pVfs,pOut){ + wasm.poke(pOut, (2440587.5 * 86400000) + new Date().getTime(), + 'i64'); + return 0; + }, + xDelete: function(pVfs, zName, doSyncDir){ + const pool = getPoolForVfs(pVfs); + pool.log(`xDelete ${wasm.cstrToJs(zName)}`); + pool.storeErr(); + try{ + pool.deletePath(pool.getPath(zName)); + return 0; + }catch(e){ + pool.storeErr(e); + return capi.SQLITE_IOERR_DELETE; + } + }, + xFullPathname: function(pVfs,zName,nOut,pOut){ + + + const i = wasm.cstrncpy(pOut, zName, nOut); + return i nOut) wasm.poke8(pOut + nOut - 1, 0); + }catch(e){ + return capi.SQLITE_NOMEM; + }finally{ + wasm.scopedAllocPop(scope); + } + } + return e ? (e.sqlite3Rc || capi.SQLITE_IOERR) : 0; + }, + + xOpen: function f(pVfs, zName, pFile, flags, pOutFlags){ + const pool = getPoolForVfs(pVfs); + try{ + pool.log(`xOpen ${wasm.cstrToJs(zName)} ${flags}`); + + const path = (zName && wasm.peek8(zName)) + ? pool.getPath(zName) + : getRandomName(); + let sah = pool.getSAHForPath(path); + if(!sah && (flags & capi.SQLITE_OPEN_CREATE)) { + + if(pool.getFileCount() < pool.getCapacity()) { + + sah = pool.nextAvailableSAH(); + pool.setAssociatedPath(sah, path, flags); + }else{ + + toss('SAH pool is full. Cannot create file',path); + } + } + if(!sah){ + toss('file not found:',path); + } + + + const file = {path, flags, sah}; + pool.mapS3FileToOFile(pFile, file); + file.lockType = capi.SQLITE_LOCK_NONE; + const sq3File = new capi.sqlite3_file(pFile); + sq3File.$pMethods = opfsIoMethods.pointer; + sq3File.dispose(); + wasm.poke32(pOutFlags, flags); + return 0; + }catch(e){ + pool.storeErr(e); + return capi.SQLITE_CANTOPEN; + } + } + }; + + + const createOpfsVfs = function(vfsName){ + if( sqlite3.capi.sqlite3_vfs_find(vfsName)){ + toss3("VFS name is already registered:", vfsName); + } + const opfsVfs = new capi.sqlite3_vfs(); + + const pDVfs = capi.sqlite3_vfs_find(null); + const dVfs = pDVfs + ? new capi.sqlite3_vfs(pDVfs) + : null ; + opfsVfs.$iVersion = 2; + opfsVfs.$szOsFile = capi.sqlite3_file.structInfo.sizeof; + opfsVfs.$mxPathname = HEADER_MAX_PATH_SIZE; + opfsVfs.addOnDispose( + opfsVfs.$zName = wasm.allocCString(vfsName), + ()=>setPoolForVfs(opfsVfs.pointer, 0) + ); + + if(dVfs){ + + opfsVfs.$xRandomness = dVfs.$xRandomness; + opfsVfs.$xSleep = dVfs.$xSleep; + dVfs.dispose(); + } + if(!opfsVfs.$xRandomness && !vfsMethods.xRandomness){ + + vfsMethods.xRandomness = function(pVfs, nOut, pOut){ + const heap = wasm.heap8u(); + let i = 0; + for(; i < nOut; ++i) heap[pOut + i] = (Math.random()*255000) & 0xFF; + return i; + }; + } + if(!opfsVfs.$xSleep && !vfsMethods.xSleep){ + vfsMethods.xSleep = (pVfs,ms)=>0; + } + sqlite3.vfs.installVfs({ + vfs: {struct: opfsVfs, methods: vfsMethods} + }); + return opfsVfs; + }; + + + class OpfsSAHPool { + + vfsDir; + + #dhVfsRoot; + + #dhOpaque; + + #dhVfsParent; + + #mapSAHToName = new Map(); + + #mapFilenameToSAH = new Map(); + + #availableSAH = new Set(); + + #mapS3FileToOFile_ = new Map(); + + + + + + #apBody = new Uint8Array(HEADER_CORPUS_SIZE); + + #dvBody; + + + #cVfs; + + + #verbosity; + + constructor(options = Object.create(null)){ + this.#verbosity = options.verbosity ?? optionDefaults.verbosity; + this.vfsName = options.name || optionDefaults.name; + this.#cVfs = createOpfsVfs(this.vfsName); + setPoolForVfs(this.#cVfs.pointer, this); + this.vfsDir = options.directory || ("."+this.vfsName); + this.#dvBody = + new DataView(this.#apBody.buffer, this.#apBody.byteOffset); + this.isReady = this + .reset(!!(options.clearOnInit ?? optionDefaults.clearOnInit)) + .then(()=>{ + if(this.$error) throw this.$error; + return this.getCapacity() + ? Promise.resolve(undefined) + : this.addCapacity(options.initialCapacity + || optionDefaults.initialCapacity); + }); + } + + #logImpl(level,...args){ + if(this.#verbosity>level) loggers[level](this.vfsName+":",...args); + }; + log(...args){this.#logImpl(2, ...args)}; + warn(...args){this.#logImpl(1, ...args)}; + error(...args){this.#logImpl(0, ...args)}; + + getVfs(){return this.#cVfs} + + + getCapacity(){return this.#mapSAHToName.size} + + + getFileCount(){return this.#mapFilenameToSAH.size} + + + getFileNames(){ + const rc = []; + const iter = this.#mapFilenameToSAH.keys(); + for(const n of iter) rc.push(n); + return rc; + } + + + + + + + + + + + + + + async addCapacity(n){ + for(let i = 0; i < n; ++i){ + const name = getRandomName(); + const h = await this.#dhOpaque.getFileHandle(name, {create:true}); + const ah = await h.createSyncAccessHandle(); + this.#mapSAHToName.set(ah,name); + this.setAssociatedPath(ah, '', 0); + + } + return this.getCapacity(); + } + + + async reduceCapacity(n){ + let nRm = 0; + for(const ah of Array.from(this.#availableSAH)){ + if(nRm === n || this.getFileCount() === this.getCapacity()){ + break; + } + const name = this.#mapSAHToName.get(ah); + + ah.close(); + await this.#dhOpaque.removeEntry(name); + this.#mapSAHToName.delete(ah); + this.#availableSAH.delete(ah); + ++nRm; + } + return nRm; + } + + + releaseAccessHandles(){ + for(const ah of this.#mapSAHToName.keys()) ah.close(); + this.#mapSAHToName.clear(); + this.#mapFilenameToSAH.clear(); + this.#availableSAH.clear(); + } + + + async acquireAccessHandles(clearFiles){ + const files = []; + for await (const [name,h] of this.#dhOpaque){ + if('file'===h.kind){ + files.push([name,h]); + } + } + return Promise.all(files.map(async([name,h])=>{ + try{ + const ah = await h.createSyncAccessHandle() + this.#mapSAHToName.set(ah, name); + if(clearFiles){ + ah.truncate(HEADER_OFFSET_DATA); + this.setAssociatedPath(ah, '', 0); + }else{ + const path = this.getAssociatedPath(ah); + if(path){ + this.#mapFilenameToSAH.set(path, ah); + }else{ + this.#availableSAH.add(ah); + } + } + }catch(e){ + this.storeErr(e); + this.releaseAccessHandles(); + throw e; + } + })); + } + + + getAssociatedPath(sah){ + sah.read(this.#apBody, {at: 0}); + + + const flags = this.#dvBody.getUint32(HEADER_OFFSET_FLAGS); + if(this.#apBody[0] && + ((flags & capi.SQLITE_OPEN_DELETEONCLOSE) || + (flags & PERSISTENT_FILE_TYPES)===0)){ + warn(`Removing file with unexpected flags ${flags.toString(16)}`, + this.#apBody); + this.setAssociatedPath(sah, '', 0); + return ''; + } + + const fileDigest = new Uint32Array(HEADER_DIGEST_SIZE / 4); + sah.read(fileDigest, {at: HEADER_OFFSET_DIGEST}); + const compDigest = this.computeDigest(this.#apBody); + if(fileDigest.every((v,i) => v===compDigest[i])){ + + const pathBytes = this.#apBody.findIndex((v)=>0===v); + if(0===pathBytes){ + + + sah.truncate(HEADER_OFFSET_DATA); + } + return pathBytes + ? textDecoder.decode(this.#apBody.subarray(0,pathBytes)) + : ''; + }else{ + + warn('Disassociating file with bad digest.'); + this.setAssociatedPath(sah, '', 0); + return ''; + } + } + + + setAssociatedPath(sah, path, flags){ + const enc = textEncoder.encodeInto(path, this.#apBody); + if(HEADER_MAX_PATH_SIZE <= enc.written + 1){ + toss("Path too long:",path); + } + this.#apBody.fill(0, enc.written, HEADER_MAX_PATH_SIZE); + this.#dvBody.setUint32(HEADER_OFFSET_FLAGS, flags); + + const digest = this.computeDigest(this.#apBody); + sah.write(this.#apBody, {at: 0}); + sah.write(digest, {at: HEADER_OFFSET_DIGEST}); + sah.flush(); + + if(path){ + this.#mapFilenameToSAH.set(path, sah); + this.#availableSAH.delete(sah); + }else{ + + sah.truncate(HEADER_OFFSET_DATA); + this.#availableSAH.add(sah); + } + } + + + computeDigest(byteArray){ + let h1 = 0xdeadbeef; + let h2 = 0x41c6ce57; + for(const v of byteArray){ + h1 = 31 * h1 + (v * 307); + h2 = 31 * h2 + (v * 307); + } + return new Uint32Array([h1>>>0, h2>>>0]); + } + + + async reset(clearFiles){ + await this.isReady; + let h = await navigator.storage.getDirectory(); + let prev, prevName; + for(const d of this.vfsDir.split('/')){ + if(d){ + prev = h; + h = await h.getDirectoryHandle(d,{create:true}); + } + } + this.#dhVfsRoot = h; + this.#dhVfsParent = prev; + this.#dhOpaque = await this.#dhVfsRoot.getDirectoryHandle( + OPAQUE_DIR_NAME,{create:true} + ); + this.releaseAccessHandles(); + return this.acquireAccessHandles(clearFiles); + } + + + getPath(arg) { + if(wasm.isPtr(arg)) arg = wasm.cstrToJs(arg); + return ((arg instanceof URL) + ? arg + : new URL(arg, 'file://localhost/')).pathname; + } + + + deletePath(path) { + const sah = this.#mapFilenameToSAH.get(path); + if(sah) { + + this.#mapFilenameToSAH.delete(path); + this.setAssociatedPath(sah, '', 0); + } + return !!sah; + } + + + storeErr(e,code){ + if(e){ + e.sqlite3Rc = code || capi.SQLITE_IOERR; + this.error(e); + } + this.$error = e; + return code; + } + + popErr(){ + const rc = this.$error; + this.$error = undefined; + return rc; + } + + + nextAvailableSAH(){ + const [rc] = this.#availableSAH.keys(); + return rc; + } + + + getOFileForS3File(pFile){ + return this.#mapS3FileToOFile_.get(pFile); + } + + mapS3FileToOFile(pFile,file){ + if(file){ + this.#mapS3FileToOFile_.set(pFile, file); + setPoolForPFile(pFile, this); + }else{ + this.#mapS3FileToOFile_.delete(pFile); + setPoolForPFile(pFile, false); + } + } + + + hasFilename(name){ + return this.#mapFilenameToSAH.has(name) + } + + + getSAHForPath(path){ + return this.#mapFilenameToSAH.get(path); + } + + + async removeVfs(){ + if(!this.#cVfs.pointer || !this.#dhOpaque) return false; + capi.sqlite3_vfs_unregister(this.#cVfs.pointer); + this.#cVfs.dispose(); + try{ + this.releaseAccessHandles(); + await this.#dhVfsRoot.removeEntry(OPAQUE_DIR_NAME, {recursive: true}); + this.#dhOpaque = undefined; + await this.#dhVfsParent.removeEntry( + this.#dhVfsRoot.name, {recursive: true} + ); + this.#dhVfsRoot = this.#dhVfsParent = undefined; + }catch(e){ + sqlite3.config.error(this.vfsName,"removeVfs() failed:",e); + + } + return true; + } + + + + exportFile(name){ + const sah = this.#mapFilenameToSAH.get(name) || toss("File not found:",name); + const n = sah.getSize() - HEADER_OFFSET_DATA; + const b = new Uint8Array(n>0 ? n : 0); + if(n>0){ + const nRead = sah.read(b, {at: HEADER_OFFSET_DATA}); + if(nRead != n){ + toss("Expected to read "+n+" bytes but read "+nRead+"."); + } + } + return b; + } + + + async importDbChunked(name, callback){ + const sah = this.#mapFilenameToSAH.get(name) + || this.nextAvailableSAH() + || toss("No available handles to import to."); + sah.truncate(0); + let nWrote = 0, chunk, checkedHeader = false, err = false; + try{ + while( undefined !== (chunk = await callback()) ){ + if(chunk instanceof ArrayBuffer) chunk = new Uint8Array(chunk); + if( 0===nWrote && chunk.byteLength>=15 ){ + util.affirmDbHeader(chunk); + checkedHeader = true; + } + sah.write(chunk, {at: HEADER_OFFSET_DATA + nWrote}); + nWrote += chunk.byteLength; + } + if( nWrote < 512 || 0!==nWrote % 512 ){ + toss("Input size",nWrote,"is not correct for an SQLite database."); + } + if( !checkedHeader ){ + const header = new Uint8Array(20); + sah.read( header, {at: 0} ); + util.affirmDbHeader( header ); + } + sah.write(new Uint8Array([1,1]), { + at: HEADER_OFFSET_DATA + 18 + }); + }catch(e){ + this.setAssociatedPath(sah, '', 0); + throw e; + } + this.setAssociatedPath(sah, name, capi.SQLITE_OPEN_MAIN_DB); + return nWrote; + } + + + importDb(name, bytes){ + if( bytes instanceof ArrayBuffer ) bytes = new Uint8Array(bytes); + else if( bytes instanceof Function ) return this.importDbChunked(name, bytes); + const sah = this.#mapFilenameToSAH.get(name) + || this.nextAvailableSAH() + || toss("No available handles to import to."); + const n = bytes.byteLength; + if(n<512 || n%512!=0){ + toss("Byte array size is invalid for an SQLite db."); + } + const header = "SQLite format 3"; + for(let i = 0; i < header.length; ++i){ + if( header.charCodeAt(i) !== bytes[i] ){ + toss("Input does not contain an SQLite database header."); + } + } + const nWrote = sah.write(bytes, {at: HEADER_OFFSET_DATA}); + if(nWrote != n){ + this.setAssociatedPath(sah, '', 0); + toss("Expected to write "+n+" bytes but wrote "+nWrote+"."); + }else{ + sah.write(new Uint8Array([1,1]), {at: HEADER_OFFSET_DATA+18} + ); + this.setAssociatedPath(sah, name, capi.SQLITE_OPEN_MAIN_DB); + } + return nWrote; + } + + }; + + + + class OpfsSAHPoolUtil { + + #p; + + constructor(sahPool){ + this.#p = sahPool; + this.vfsName = sahPool.vfsName; + } + + async addCapacity(n){ return this.#p.addCapacity(n) } + + async reduceCapacity(n){ return this.#p.reduceCapacity(n) } + + getCapacity(){ return this.#p.getCapacity(this.#p) } + + getFileCount(){ return this.#p.getFileCount() } + getFileNames(){ return this.#p.getFileNames() } + + async reserveMinimumCapacity(min){ + const c = this.#p.getCapacity(); + return (c < min) ? this.#p.addCapacity(min - c) : c; + } + + exportFile(name){ return this.#p.exportFile(name) } + + importDb(name, bytes){ return this.#p.importDb(name,bytes) } + + async wipeFiles(){ return this.#p.reset(true) } + + unlink(filename){ return this.#p.deletePath(filename) } + + async removeVfs(){ return this.#p.removeVfs() } + + }; + + + const apiVersionCheck = async ()=>{ + const dh = await navigator.storage.getDirectory(); + const fn = '.opfs-sahpool-sync-check-'+getRandomName(); + const fh = await dh.getFileHandle(fn, { create: true }); + const ah = await fh.createSyncAccessHandle(); + const close = ah.close(); + await close; + await dh.removeEntry(fn); + if(close?.then){ + toss("The local OPFS API is too old for opfs-sahpool:", + "it has an async FileSystemSyncAccessHandle.close() method."); + } + return true; + }; + + + let instanceCounter = 0; + + + sqlite3.installOpfsSAHPoolVfs = async function(options=Object.create(null)){ + const vfsName = options.name || optionDefaults.name; + if(0 && 2===++instanceCounter){ + throw new Error("Just testing rejection."); + } + if(initPromises[vfsName]){ + + return initPromises[vfsName]; + } + if(!globalThis.FileSystemHandle || + !globalThis.FileSystemDirectoryHandle || + !globalThis.FileSystemFileHandle || + !globalThis.FileSystemFileHandle.prototype.createSyncAccessHandle || + !navigator?.storage?.getDirectory){ + return (initPromises[vfsName] = Promise.reject(new Error("Missing required OPFS APIs."))); + } + + + return initPromises[vfsName] = apiVersionCheck().then(async function(){ + if(options.$testThrowInInit){ + throw options.$testThrowInInit; + } + const thePool = new OpfsSAHPool(options); + return thePool.isReady.then(async()=>{ + + const poolUtil = new OpfsSAHPoolUtil(thePool); + if(sqlite3.oo1){ + const oo1 = sqlite3.oo1; + const theVfs = thePool.getVfs(); + const OpfsSAHPoolDb = function(...args){ + const opt = oo1.DB.dbCtorHelper.normalizeArgs(...args); + opt.vfs = theVfs.$zName; + oo1.DB.dbCtorHelper.call(this, opt); + }; + OpfsSAHPoolDb.prototype = Object.create(oo1.DB.prototype); + + poolUtil.OpfsSAHPoolDb = OpfsSAHPoolDb; + oo1.DB.dbCtorHelper.setVfsPostOpenSql( + theVfs.pointer, + function(oo1Db, sqlite3){ + sqlite3.capi.sqlite3_exec(oo1Db, [ + + "pragma journal_mode=DELETE;", + "pragma cache_size=-16384;" + ], 0, 0, 0); + } + ); + } + thePool.log("VFS initialized."); + return poolUtil; + }).catch(async (e)=>{ + await thePool.removeVfs().catch(()=>{}); + return e; + }); + }).catch((err)=>{ + + return initPromises[vfsName] = Promise.reject(err); + }); + }; +}); + + + +'use strict'; +if('undefined' !== typeof Module){ + + const SABC = Object.assign( + Object.create(null), { + exports: ('undefined'===typeof wasmExports) + ? Module['asm'] + : wasmExports , + memory: Module.wasmMemory + }, + globalThis.sqlite3ApiConfig || {} + ); + + + + globalThis.sqlite3ApiConfig = SABC; + let sqlite3; + try{ + sqlite3 = globalThis.sqlite3ApiBootstrap(); + }catch(e){ + console.error("sqlite3ApiBootstrap() error:",e); + throw e; + }finally{ + delete globalThis.sqlite3ApiBootstrap; + delete globalThis.sqlite3ApiConfig; + } + + Module.sqlite3 = sqlite3 ; +}else{ + console.warn("This is not running in an Emscripten module context, so", + "globalThis.sqlite3ApiBootstrap() is _not_ being called due to lack", + "of config info for the WASM environment.", + "It must be called manually."); +} + + + + +}); + + + + return sqlite3InitModule.ready +} +); +})(); +if (typeof exports === 'object' && typeof module === 'object') + module.exports = sqlite3InitModule; +else if (typeof define === 'function' && define['amd']) + define([], function() { return sqlite3InitModule; }); +else if (typeof exports === 'object') + exports["sqlite3InitModule"] = sqlite3InitModule; + + + +(function(){ + + const originalInit = sqlite3InitModule; + if(!originalInit){ + throw new Error("Expecting globalThis.sqlite3InitModule to be defined by the Emscripten build."); + } + + const initModuleState = globalThis.sqlite3InitModuleState = Object.assign(Object.create(null),{ + moduleScript: globalThis?.document?.currentScript, + isWorker: ('undefined' !== typeof WorkerGlobalScope), + location: globalThis.location, + urlParams: globalThis?.location?.href + ? new URL(globalThis.location.href).searchParams + : new URLSearchParams() + }); + initModuleState.debugModule = + initModuleState.urlParams.has('sqlite3.debugModule') + ? (...args)=>console.warn('sqlite3.debugModule:',...args) + : ()=>{}; + + if(initModuleState.urlParams.has('sqlite3.dir')){ + initModuleState.sqlite3Dir = initModuleState.urlParams.get('sqlite3.dir') +'/'; + }else if(initModuleState.moduleScript){ + const li = initModuleState.moduleScript.src.split('/'); + li.pop(); + initModuleState.sqlite3Dir = li.join('/') + '/'; + } + + globalThis.sqlite3InitModule = function ff(...args){ + + return originalInit(...args).then((EmscriptenModule)=>{ + + const s = EmscriptenModule.sqlite3; + s.scriptInfo = initModuleState; + + if(ff.__isUnderTest) s.__isUnderTest = true; + const f = s.asyncPostInit; + delete s.asyncPostInit; + return f(); + }).catch((e)=>{ + console.error("Exception loading sqlite3 module:",e); + throw e; + }); + }; + globalThis.sqlite3InitModule.ready = originalInit.ready; + + if(globalThis.sqlite3InitModuleState.moduleScript){ + const sim = globalThis.sqlite3InitModuleState; + let src = sim.moduleScript.src.split('/'); + src.pop(); + sim.scriptDir = src.join('/') + '/'; + } + initModuleState.debugModule('sqlite3InitModuleState =',initModuleState); + if(0){ + console.warn("Replaced sqlite3InitModule()"); + console.warn("globalThis.location.href =",globalThis.location.href); + if('undefined' !== typeof document){ + console.warn("document.currentScript.src =", + document?.currentScript?.src); + } + } + + + + + if (typeof exports === 'object' && typeof module === 'object'){ + module.exports = sqlite3InitModule; + }else if (typeof exports === 'object'){ + exports["sqlite3InitModule"] = sqlite3InitModule; + } + + return globalThis.sqlite3InitModule ; +})(); diff --git a/vendor/sqlite3/sqlite3.wasm b/vendor/sqlite3/sqlite3.wasm new file mode 100644 index 0000000..2a9f2c5 Binary files /dev/null and b/vendor/sqlite3/sqlite3.wasm differ