Add webview
diff --git a/.gitignore b/.gitignore
index 555e30c..52159d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,11 @@
-*.lib.*
+units.lib.wasm
+units.lib.data
+units.lib.js
cmake-build-*
.idea
+node_modules
+bundle-webview-js.h
+webview-frontend
+*.o
+bundle-*.js
+bundle.js
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e574da5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "webview"]
+ path = webview
+ url = git@github.com:webview/webview.git
+[submodule "json"]
+ path = json
+ url = git@github.com:nlohmann/json.git
diff --git a/Makefile b/Makefile
index 421f9b4..7fcb8d4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,35 @@
CFLAGS = -Os -DSUPPORT_UTF8 -sASYNCIFY -sEXPORTED_RUNTIME_METHODS=ccall,cwrap,stringToNewUTF8 \
-sEXPORTED_FUNCTIONS=_test_int,_do_a_conversion -sMODULARIZE -s 'EXPORT_NAME="createMyModule"' \
- --pre-js=module-pre.js
+ --no-entry
-units.wasm: *.c *.h
+ESFLAGS = --bundle --minify --loader:.js=jsx
+
+WEBCFLAGS = -Os -framework WebKit -std=c++11
+
+webview-frontend: webview-frontend.cpp units.o getopt.o getopt1.o parse.tab.o strfunc.o
+ g++ $^ -o webview-frontend $(WEBCFLAGS) -I json/include
+
+webview-frontend.cpp: bundle-webview-js.h
+
+units.wasm: units.c
emcc -o units.lib.js *.c $(CFLAGS) --preload-file definitions.units --preload-file elements.units --preload-file currency.units --preload-file cpi.units
-units-host:
+units-host: units.c
gcc *.c -o units-host -g
-.PHONY: units.wasm units-host
+%.o: %.c
+ gcc -c $^ -Os -o $@
+
+bundle.js: frontend.js units.wasm
+ yarn esbuild frontend.js $(ESFLAGS) --outfile=bundle.js
+
+bundle-webview-js.h: bundle-webview.js
+ xxd -i $^ > $@
+
+bundle-webview.js: webview-frontend.js frontend-impl.js
+ yarn esbuild webview-frontend.js $(ESFLAGS) --outfile=bundle-webview.js
+
+watch:
+ yarn esbuild frontend.js $(ESFLAGS) --watch --outfile=bundle.js
+
+.PHONY: watch
diff --git a/frontend-impl.js b/frontend-impl.js
new file mode 100644
index 0000000..2ae5726
--- /dev/null
+++ b/frontend-impl.js
@@ -0,0 +1,48 @@
+const React = require("preact");
+const {useState} = require('preact/hooks');
+
+export const UnitsApp = () => {
+ const [hist, setHist] = useState([]);
+ const [query, setQuery] = useState("");
+ const [to, setTo] = useState("");
+
+ function doConversion(e) {
+ e.preventDefault();
+ console.log("conversion");
+ setQuery('');
+ setTo('');
+
+ convert(query, to).then(res => {
+ setHist([...hist, query + " -> " + to + " " + res]);
+ })
+ }
+
+ return (
+ <div>
+ <form class="query-row" onSubmit={doConversion}>
+ <input
+ type="text"
+ id="query"
+ value={query}
+ placeholder="From"
+ onChange={(val) => setQuery(val.target.value)}
+ ></input>
+ <input
+ type="text"
+ id="to"
+ value={to}
+ placeholder="To"
+ onChange={(val) => setTo(val.target.value)}
+ ></input>
+
+ <input type="submit"></input>
+ </form>
+
+ <ul>
+ {hist.map((entry) => (
+ <li>{entry}</li>
+ ))}
+ </ul>
+ </div>
+ );
+};
diff --git a/frontend.js b/frontend.js
new file mode 100644
index 0000000..7b76e3e
--- /dev/null
+++ b/frontend.js
@@ -0,0 +1,6 @@
+require("./units-impl-wasm.js");
+
+const {UnitsApp} = require("./frontend-impl.js");
+const React = require("preact");
+
+React.render(<UnitsApp />, document.getElementById("app"));
diff --git a/index-webview.html b/index-webview.html
new file mode 100644
index 0000000..0c17663
--- /dev/null
+++ b/index-webview.html
@@ -0,0 +1,5 @@
+<div id=app>
+
+</div>
+
+<script src=bundle-webview.js></script>
\ No newline at end of file
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..fb19254
--- /dev/null
+++ b/index.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<title>Units</title>
+<body>
+<div id="app">
+</div>
+<script src="bundle.js"></script>
+</body>
+</html>
diff --git a/json b/json
new file mode 160000
index 0000000..0457de2
--- /dev/null
+++ b/json
@@ -0,0 +1 @@
+Subproject commit 0457de21cffb298c22b629e538036bfeb96130b7
diff --git a/module-pre.js b/module-pre.js
deleted file mode 100644
index bb23b71..0000000
--- a/module-pre.js
+++ /dev/null
@@ -1,5 +0,0 @@
-globalThis.printBuffer = '';
-
-Module['print'] = function (out) {
- globalThis.printBuffer += out + "\n";
-};
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..7598ea9
--- /dev/null
+++ b/package.json
@@ -0,0 +1,26 @@
+{
+ "name": "units-wasm",
+ "version": "1.0.0",
+ "main": "index.js",
+ "repository": "git@github.com:swissChili/units-wasm.git",
+ "author": "swissChili <swisschili@fastmail.com>",
+ "license": "GPL-3.0",
+ "private": true,
+ "dependencies": {
+ "preact": "^10.19.6",
+ "preact-dom": "^1.0.1",
+ "react": "^18.2.0",
+ "react-dom": "^18.2.0"
+ },
+ "devDependencies": {
+ "buffer": "^5.5.0||^6.0.0",
+ "crypto-browserify": "^3.12.0",
+ "esbuild": "^0.20.1",
+ "events": "^3.1.0",
+ "path-browserify": "^1.0.0",
+ "process": "^0.11.10",
+ "stream-browserify": "^3.0.0",
+ "string_decoder": "^1.3.0",
+ "vm-browserify": "^1.1.2"
+ }
+}
diff --git a/units-impl-wasm.js b/units-impl-wasm.js
new file mode 100644
index 0000000..b8f6191
--- /dev/null
+++ b/units-impl-wasm.js
@@ -0,0 +1,18 @@
+const units = require("./units.js");
+
+units().then((Module) => {
+ let _do_a_conversion = Module.cwrap("do_a_conversion", "number", [
+ "number",
+ "number",
+ ]);
+
+ async function convert(from, to = "") {
+ let from_c = Module.stringToNewUTF8(from);
+ let to_c = Module.stringToNewUTF8(to);
+ let lenBefore = globalThis.printBuffer.length;
+ _do_a_conversion(from_c, to === "" ? 0 : to_c);
+ return globalThis.printBuffer.slice(lenBefore).trim();
+ }
+
+ window.convert = convert;
+});
\ No newline at end of file
diff --git a/units.c b/units.c
index 124b622..54be48b 100644
--- a/units.c
+++ b/units.c
@@ -28,8 +28,6 @@
You may redistribute copies of GNU Units\n\
under the terms of the GNU General Public License."
-#define _XOPEN_SOURCE 600
-
#if defined (_WIN32) && defined (_MSC_VER)
# include <windows.h>
# include <winbase.h>
@@ -42,6 +40,7 @@
#include <ctype.h>
#include <float.h>
+#include <string.h>
#include <stdio.h>
#include <signal.h>
#include <stdarg.h>
@@ -419,6 +418,9 @@
}
+char log_buffer[4096] = {0};
+char *log_buffer_ptr = log_buffer;
+
void
logprintf(const char *format, ...)
@@ -428,6 +430,11 @@
va_start(args, format);
vprintf(format, args);
va_end(args);
+
+ va_start(args, format);
+ log_buffer_ptr += vsnprintf(log_buffer_ptr, log_buffer + 4096 - log_buffer_ptr, format, args);
+ va_end(args);
+
if (logfile) {
va_start(args, format);
vfprintf(logfile, format, args);
@@ -439,6 +446,7 @@
logputchar(char c)
{
putchar(c);
+ *(log_buffer_ptr++) = c;
if (logfile) fputc(c, logfile);
}
@@ -446,6 +454,7 @@
logputs(const char *s)
{
fputs(s, stdout);
+ log_buffer_ptr += strlcpy(log_buffer_ptr, s, log_buffer + 4096 - log_buffer_ptr);
if (logfile) fputs(s, logfile);
}
diff --git a/units.js b/units.js
new file mode 100644
index 0000000..513ccd4
--- /dev/null
+++ b/units.js
@@ -0,0 +1,3526 @@
+var createMyModule = (() => {
+ var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+ if (typeof __filename !== 'undefined') _scriptDir ||= __filename;
+ return (
+ function(moduleArg = {}) {
+ function require(name) {}
+
+ var Module = moduleArg;
+ var readyPromiseResolve, readyPromiseReject;
+ Module["ready"] = new Promise((resolve, reject) => {
+ readyPromiseResolve = resolve;
+ readyPromiseReject = reject
+ });
+ if (!Module.expectedDataFileDownloads) {
+ Module.expectedDataFileDownloads = 0
+ }
+ Module.expectedDataFileDownloads++;
+ (function() {
+ if (Module["ENVIRONMENT_IS_PTHREAD"] || Module["$ww"]) return;
+ var loadPackage = function(metadata) {
+ var PACKAGE_PATH = "";
+ if (typeof window === "object") {
+ PACKAGE_PATH = window["encodeURIComponent"](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf("/")) + "/")
+ } else if (typeof process === "undefined" && typeof location !== "undefined") {
+ PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf("/")) + "/")
+ }
+ var PACKAGE_NAME = "units.lib.data";
+ var REMOTE_PACKAGE_BASE = "units.lib.data";
+ if (typeof Module["locateFilePackage"] === "function" && !Module["locateFile"]) {
+ Module["locateFile"] = Module["locateFilePackage"];
+ err("warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)")
+ }
+ var REMOTE_PACKAGE_NAME = Module["locateFile"] ? Module["locateFile"](REMOTE_PACKAGE_BASE, "") : REMOTE_PACKAGE_BASE;
+ var REMOTE_PACKAGE_SIZE = metadata["remote_package_size"];
+
+ function fetchRemotePackage(packageName, packageSize, callback, errback) {
+ if (typeof process === "object" && typeof process.versions === "object" && typeof process.versions.node === "string") {
+ require("fs").readFile(packageName, function(err, contents) {
+ if (err) {
+ errback(err)
+ } else {
+ callback(contents.buffer)
+ }
+ });
+ return
+ }
+ var xhr = new XMLHttpRequest;
+ xhr.open("GET", packageName, true);
+ xhr.responseType = "arraybuffer";
+ xhr.onprogress = function(event) {
+ var url = packageName;
+ var size = packageSize;
+ if (event.total) size = event.total;
+ if (event.loaded) {
+ if (!xhr.addedTotal) {
+ xhr.addedTotal = true;
+ if (!Module.dataFileDownloads) Module.dataFileDownloads = {};
+ Module.dataFileDownloads[url] = {
+ loaded: event.loaded,
+ total: size
+ }
+ } else {
+ Module.dataFileDownloads[url].loaded = event.loaded
+ }
+ var total = 0;
+ var loaded = 0;
+ var num = 0;
+ for (var download in Module.dataFileDownloads) {
+ var data = Module.dataFileDownloads[download];
+ total += data.total;
+ loaded += data.loaded;
+ num++
+ }
+ total = Math.ceil(total * Module.expectedDataFileDownloads / num);
+ if (Module["setStatus"]) Module["setStatus"](`Downloading data... (${loaded}/${total})`)
+ } else if (!Module.dataFileDownloads) {
+ if (Module["setStatus"]) Module["setStatus"]("Downloading data...")
+ }
+ };
+ xhr.onerror = function(event) {
+ throw new Error("NetworkError for: " + packageName)
+ };
+ xhr.onload = function(event) {
+ if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || xhr.status == 0 && xhr.response) {
+ var packageData = xhr.response;
+ callback(packageData)
+ } else {
+ throw new Error(xhr.statusText + " : " + xhr.responseURL)
+ }
+ };
+ xhr.send(null)
+ }
+
+ function handleError(error) {
+ console.error("package error:", error)
+ }
+ var fetchedCallback = null;
+ var fetched = Module["getPreloadedPackage"] ? Module["getPreloadedPackage"](REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE) : null;
+ if (!fetched) fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, function(data) {
+ if (fetchedCallback) {
+ fetchedCallback(data);
+ fetchedCallback = null
+ } else {
+ fetched = data
+ }
+ }, handleError);
+
+ function runWithFS() {
+ function assert(check, msg) {
+ if (!check) throw msg + (new Error).stack
+ }
+
+ function DataRequest(start, end, audio) {
+ this.start = start;
+ this.end = end;
+ this.audio = audio
+ }
+ DataRequest.prototype = {
+ requests: {},
+ open: function(mode, name) {
+ this.name = name;
+ this.requests[name] = this;
+ Module["addRunDependency"](`fp ${this.name}`)
+ },
+ send: function() {},
+ onload: function() {
+ var byteArray = this.byteArray.subarray(this.start, this.end);
+ this.finish(byteArray)
+ },
+ finish: function(byteArray) {
+ var that = this;
+ Module["FS_createDataFile"](this.name, null, byteArray, true, true, true);
+ Module["removeRunDependency"](`fp ${that.name}`);
+ this.requests[this.name] = null
+ }
+ };
+ var files = metadata["files"];
+ for (var i = 0; i < files.length; ++i) {
+ new DataRequest(files[i]["start"], files[i]["end"], files[i]["audio"] || 0).open("GET", files[i]["filename"])
+ }
+
+ function processPackageData(arrayBuffer) {
+ assert(arrayBuffer, "Loading data file failed.");
+ assert(arrayBuffer.constructor.name === ArrayBuffer.name, "bad input to processPackageData");
+ var byteArray = new Uint8Array(arrayBuffer);
+ DataRequest.prototype.byteArray = byteArray;
+ var files = metadata["files"];
+ for (var i = 0; i < files.length; ++i) {
+ DataRequest.prototype.requests[files[i].filename].onload()
+ }
+ Module["removeRunDependency"]("datafile_units.lib.data")
+ }
+ Module["addRunDependency"]("datafile_units.lib.data");
+ if (!Module.preloadResults) Module.preloadResults = {};
+ Module.preloadResults[PACKAGE_NAME] = {
+ fromCache: false
+ };
+ if (fetched) {
+ processPackageData(fetched);
+ fetched = null
+ } else {
+ fetchedCallback = processPackageData
+ }
+ }
+ if (Module["calledRun"]) {
+ runWithFS()
+ } else {
+ if (!Module["preRun"]) Module["preRun"] = [];
+ Module["preRun"].push(runWithFS)
+ }
+ };
+ loadPackage({
+ "files": [{
+ "filename": "/cpi.units",
+ "start": 0,
+ "end": 44458
+ }, {
+ "filename": "/currency.units",
+ "start": 44458,
+ "end": 59060
+ }, {
+ "filename": "/definitions.units",
+ "start": 59060,
+ "end": 419653
+ }, {
+ "filename": "/elements.units",
+ "start": 419653,
+ "end": 571034
+ }],
+ "remote_package_size": 571034
+ })
+ })();
+ globalThis.printBuffer = "";
+ Module["print"] = function(out) {
+ globalThis.printBuffer += out + "\n"
+ };
+ 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 scriptDirectory = "";
+
+ function locateFile(path) {
+ if (Module["locateFile"]) {
+ return Module["locateFile"](path, scriptDirectory)
+ }
+ return scriptDirectory + path
+ }
+ var read_, readAsync, readBinary;
+ if (ENVIRONMENT_IS_NODE) {
+ var fs = require("fs");
+ var nodePath = require("path");
+ if (ENVIRONMENT_IS_WORKER) {
+ scriptDirectory = nodePath.dirname(scriptDirectory) + "/"
+ } else {
+ scriptDirectory = __dirname + "/"
+ }
+ read_ = (filename, binary) => {
+ filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
+ return fs.readFileSync(filename, binary ? undefined : "utf8")
+ };
+ readBinary = filename => {
+ var ret = read_(filename, true);
+ if (!ret.buffer) {
+ ret = new Uint8Array(ret)
+ }
+ return ret
+ };
+ readAsync = (filename, onload, onerror, binary = true) => {
+ filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
+ fs.readFile(filename, binary ? undefined : "utf8", (err, data) => {
+ if (err) onerror(err);
+ else onload(binary ? data.buffer : data)
+ })
+ };
+ if (!Module["thisProgram"] && process.argv.length > 1) {
+ thisProgram = process.argv[1].replace(/\\/g, "/")
+ }
+ arguments_ = process.argv.slice(2);
+ quit_ = (status, toThrow) => {
+ process.exitCode = status;
+ throw toThrow
+ }
+ } else 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.startsWith("blob:")) {
+ scriptDirectory = ""
+ } else {
+ scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1)
+ } {
+ 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)
+ }
+ }
+ } else {}
+ var out = Module["print"] || console.log.bind(console);
+ var err = Module["printErr"] || console.error.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 wasmBinary;
+ if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
+ if (typeof WebAssembly != "object") {
+ abort("no native wasm support detected")
+ }
+ var wasmMemory;
+ var ABORT = false;
+ var EXITSTATUS;
+ var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
+
+ function updateMemoryViews() {
+ var b = wasmMemory.buffer;
+ Module["HEAP8"] = HEAP8 = new Int8Array(b);
+ Module["HEAP16"] = HEAP16 = new Int16Array(b);
+ Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
+ Module["HEAPU16"] = HEAPU16 = new Uint16Array(b);
+ Module["HEAP32"] = HEAP32 = new Int32Array(b);
+ Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
+ Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
+ Module["HEAPF64"] = HEAPF64 = new Float64Array(b)
+ }
+ var __ATPRERUN__ = [];
+ var __ATINIT__ = [];
+ var __ATPOSTRUN__ = [];
+ var runtimeInitialized = false;
+
+ function preRun() {
+ if (Module["preRun"]) {
+ if (typeof Module["preRun"] == "function") Module["preRun"] = [Module["preRun"]];
+ while (Module["preRun"].length) {
+ addOnPreRun(Module["preRun"].shift())
+ }
+ }
+ callRuntimeCallbacks(__ATPRERUN__)
+ }
+
+ function initRuntime() {
+ 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 addOnPostRun(cb) {
+ __ATPOSTRUN__.unshift(cb)
+ }
+ var runDependencies = 0;
+ var runDependencyWatcher = null;
+ var dependenciesFulfilled = null;
+
+ function getUniqueRunDependency(id) {
+ return id
+ }
+
+ function addRunDependency(id) {
+ runDependencies++;
+ Module["monitorRunDependencies"]?.(runDependencies)
+ }
+
+ function removeRunDependency(id) {
+ runDependencies--;
+ Module["monitorRunDependencies"]?.(runDependencies);
+ if (runDependencies == 0) {
+ if (runDependencyWatcher !== null) {
+ clearInterval(runDependencyWatcher);
+ runDependencyWatcher = null
+ }
+ if (dependenciesFulfilled) {
+ var callback = dependenciesFulfilled;
+ dependenciesFulfilled = null;
+ callback()
+ }
+ }
+ }
+
+ function abort(what) {
+ 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,";
+ var isDataURI = filename => filename.startsWith(dataURIPrefix);
+ var isFileURI = filename => filename.startsWith("file://");
+ var wasmBinaryFile;
+ wasmBinaryFile = "units.lib.wasm";
+ if (!isDataURI(wasmBinaryFile)) {
+ wasmBinaryFile = locateFile(wasmBinaryFile)
+ }
+
+ function getBinarySync(file) {
+ if (file == wasmBinaryFile && wasmBinary) {
+ return new Uint8Array(wasmBinary)
+ }
+ if (readBinary) {
+ return readBinary(file)
+ }
+ throw "both async and sync fetching of the wasm failed"
+ }
+
+ function getBinaryPromise(binaryFile) {
+ if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
+ if (typeof fetch == "function" && !isFileURI(binaryFile)) {
+ return fetch(binaryFile, {
+ credentials: "same-origin"
+ }).then(response => {
+ if (!response["ok"]) {
+ throw `failed to load wasm binary file at '${binaryFile}'`
+ }
+ return response["arrayBuffer"]()
+ }).catch(() => getBinarySync(binaryFile))
+ } else if (readAsync) {
+ return new Promise((resolve, reject) => {
+ readAsync(binaryFile, response => resolve(new Uint8Array(response)), reject)
+ })
+ }
+ }
+ return Promise.resolve().then(() => getBinarySync(binaryFile))
+ }
+
+ function instantiateArrayBuffer(binaryFile, imports, receiver) {
+ return getBinaryPromise(binaryFile).then(binary => WebAssembly.instantiate(binary, imports)).then(receiver, reason => {
+ err(`failed to asynchronously prepare wasm: ${reason}`);
+ abort(reason)
+ })
+ }
+
+ function instantiateAsync(binary, binaryFile, imports, callback) {
+ if (!binary && typeof WebAssembly.instantiateStreaming == "function" && !isDataURI(binaryFile) && !isFileURI(binaryFile) && !ENVIRONMENT_IS_NODE && typeof fetch == "function") {
+ return fetch(binaryFile, {
+ credentials: "same-origin"
+ }).then(response => {
+ var result = WebAssembly.instantiateStreaming(response, imports);
+ return result.then(callback, function(reason) {
+ err(`wasm streaming compile failed: ${reason}`);
+ err("falling back to ArrayBuffer instantiation");
+ return instantiateArrayBuffer(binaryFile, imports, callback)
+ })
+ })
+ }
+ return instantiateArrayBuffer(binaryFile, imports, callback)
+ }
+
+ function createWasm() {
+ var info = {
+ "a": wasmImports
+ };
+
+ function receiveInstance(instance, module) {
+ wasmExports = instance.exports;
+ wasmExports = Asyncify.instrumentWasmExports(wasmExports);
+ wasmMemory = wasmExports["o"];
+ updateMemoryViews();
+ addOnInit(wasmExports["p"]);
+ removeRunDependency("wasm-instantiate");
+ return wasmExports
+ }
+ addRunDependency("wasm-instantiate");
+
+ function receiveInstantiationResult(result) {
+ receiveInstance(result["instance"])
+ }
+ if (Module["instantiateWasm"]) {
+ try {
+ return Module["instantiateWasm"](info, receiveInstance)
+ } catch (e) {
+ err(`Module.instantiateWasm callback failed with error: ${e}`);
+ readyPromiseReject(e)
+ }
+ }
+ instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult).catch(readyPromiseReject);
+ return {}
+ }
+ var tempDouble;
+ var tempI64;
+
+ function ExitStatus(status) {
+ this.name = "ExitStatus";
+ this.message = `Program terminated with exit(${status})`;
+ this.status = status
+ }
+ var callRuntimeCallbacks = callbacks => {
+ while (callbacks.length > 0) {
+ callbacks.shift()(Module)
+ }
+ };
+ var noExitRuntime = Module["noExitRuntime"] || true;
+ 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: (...paths) => PATH.normalize(paths.join("/")),
+ join2: (l, r) => PATH.normalize(l + "/" + r)
+ };
+ var initRandomFill = () => {
+ if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") {
+ return view => crypto.getRandomValues(view)
+ } else if (ENVIRONMENT_IS_NODE) {
+ try {
+ var crypto_module = require("crypto");
+ var randomFillSync = crypto_module["randomFillSync"];
+ if (randomFillSync) {
+ return view => crypto_module["randomFillSync"](view)
+ }
+ var randomBytes = crypto_module["randomBytes"];
+ return view => (view.set(randomBytes(view.byteLength)), view)
+ } catch (e) {}
+ }
+ abort("initRandomDevice")
+ };
+ var randomFill = view => (randomFill = initRandomFill())(view);
+ var PATH_FS = {
+ resolve: (...args) => {
+ var resolvedPath = "",
+ resolvedAbsolute = false;
+ for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+ var path = i >= 0 ? args[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("/")
+ }
+ };
+ var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf8") : undefined;
+ var 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 & 128)) {
+ str += String.fromCharCode(u0);
+ continue
+ }
+ var u1 = heapOrArray[idx++] & 63;
+ if ((u0 & 224) == 192) {
+ str += String.fromCharCode((u0 & 31) << 6 | u1);
+ continue
+ }
+ var u2 = heapOrArray[idx++] & 63;
+ if ((u0 & 240) == 224) {
+ u0 = (u0 & 15) << 12 | u1 << 6 | u2
+ } else {
+ u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heapOrArray[idx++] & 63
+ }
+ if (u0 < 65536) {
+ str += String.fromCharCode(u0)
+ } else {
+ var ch = u0 - 65536;
+ str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023)
+ }
+ }
+ return str
+ };
+ var FS_stdin_getChar_buffer = [];
+ var lengthBytesUTF8 = str => {
+ var len = 0;
+ for (var i = 0; i < str.length; ++i) {
+ var c = str.charCodeAt(i);
+ if (c <= 127) {
+ len++
+ } else if (c <= 2047) {
+ len += 2
+ } else if (c >= 55296 && c <= 57343) {
+ len += 4;
+ ++i
+ } else {
+ len += 3
+ }
+ }
+ return len
+ };
+ var 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 >= 55296 && u <= 57343) {
+ var u1 = str.charCodeAt(++i);
+ u = 65536 + ((u & 1023) << 10) | u1 & 1023
+ }
+ if (u <= 127) {
+ if (outIdx >= endIdx) break;
+ heap[outIdx++] = u
+ } else if (u <= 2047) {
+ if (outIdx + 1 >= endIdx) break;
+ heap[outIdx++] = 192 | u >> 6;
+ heap[outIdx++] = 128 | u & 63
+ } else if (u <= 65535) {
+ if (outIdx + 2 >= endIdx) break;
+ heap[outIdx++] = 224 | u >> 12;
+ heap[outIdx++] = 128 | u >> 6 & 63;
+ heap[outIdx++] = 128 | u & 63
+ } else {
+ if (outIdx + 3 >= endIdx) break;
+ heap[outIdx++] = 240 | u >> 18;
+ heap[outIdx++] = 128 | u >> 12 & 63;
+ heap[outIdx++] = 128 | u >> 6 & 63;
+ heap[outIdx++] = 128 | u & 63
+ }
+ }
+ heap[outIdx] = 0;
+ return outIdx - startIdx
+ };
+
+ 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 FS_stdin_getChar = () => {
+ if (!FS_stdin_getChar_buffer.length) {
+ var result = null;
+ if (ENVIRONMENT_IS_NODE) {
+ var BUFSIZE = 256;
+ var buf = Buffer.alloc(BUFSIZE);
+ var bytesRead = 0;
+ var fd = process.stdin.fd;
+ try {
+ bytesRead = fs.readSync(fd, buf)
+ } catch (e) {
+ if (e.toString().includes("EOF")) bytesRead = 0;
+ else throw e
+ }
+ if (bytesRead > 0) {
+ result = buf.slice(0, bytesRead).toString("utf-8")
+ } else {
+ result = null
+ }
+ } else if (typeof window != "undefined" && typeof window.prompt == "function") {
+ 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
+ }
+ FS_stdin_getChar_buffer = intArrayFromString(result, true)
+ }
+ return FS_stdin_getChar_buffer.shift()
+ };
+ var TTY = {
+ ttys: [],
+ init() {},
+ shutdown() {},
+ register(dev, ops) {
+ TTY.ttys[dev] = {
+ input: [],
+ output: [],
+ ops: ops
+ };
+ FS.registerDevice(dev, TTY.stream_ops)
+ },
+ stream_ops: {
+ open(stream) {
+ var tty = TTY.ttys[stream.node.rdev];
+ if (!tty) {
+ throw new FS.ErrnoError(43)
+ }
+ stream.tty = tty;
+ stream.seekable = false
+ },
+ close(stream) {
+ stream.tty.ops.fsync(stream.tty)
+ },
+ fsync(stream) {
+ stream.tty.ops.fsync(stream.tty)
+ },
+ read(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(stream, buffer, offset, length, pos) {
+ if (!stream.tty || !stream.tty.ops.put_char) {
+ throw new FS.ErrnoError(60)
+ }
+ try {
+ for (var i = 0; i < length; i++) {
+ stream.tty.ops.put_char(stream.tty, buffer[offset + i])
+ }
+ } catch (e) {
+ throw new FS.ErrnoError(29)
+ }
+ if (length) {
+ stream.node.timestamp = Date.now()
+ }
+ return i
+ }
+ },
+ default_tty_ops: {
+ get_char(tty) {
+ return FS_stdin_getChar()
+ },
+ put_char(tty, val) {
+ if (val === null || val === 10) {
+ out(UTF8ArrayToString(tty.output, 0));
+ tty.output = []
+ } else {
+ if (val != 0) tty.output.push(val)
+ }
+ },
+ fsync(tty) {
+ if (tty.output && tty.output.length > 0) {
+ out(UTF8ArrayToString(tty.output, 0));
+ tty.output = []
+ }
+ },
+ ioctl_tcgets(tty) {
+ return {
+ c_iflag: 25856,
+ c_oflag: 5,
+ c_cflag: 191,
+ c_lflag: 35387,
+ c_cc: [3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+ }
+ },
+ ioctl_tcsets(tty, optional_actions, data) {
+ return 0
+ },
+ ioctl_tiocgwinsz(tty) {
+ return [24, 80]
+ }
+ },
+ default_tty1_ops: {
+ put_char(tty, val) {
+ if (val === null || val === 10) {
+ err(UTF8ArrayToString(tty.output, 0));
+ tty.output = []
+ } else {
+ if (val != 0) tty.output.push(val)
+ }
+ },
+ fsync(tty) {
+ if (tty.output && tty.output.length > 0) {
+ err(UTF8ArrayToString(tty.output, 0));
+ tty.output = []
+ }
+ }
+ }
+ };
+ var mmapAlloc = size => {
+ abort()
+ };
+ var MEMFS = {
+ ops_table: null,
+ mount(mount) {
+ return MEMFS.createNode(null, "/", 16384 | 511, 0)
+ },
+ createNode(parent, name, mode, dev) {
+ if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
+ throw new FS.ErrnoError(63)
+ }
+ 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(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(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 : 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(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(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(node, attr) {
+ if (attr.mode !== undefined) {
+ node.mode = attr.mode
+ }
+ if (attr.timestamp !== undefined) {
+ node.timestamp = attr.timestamp
+ }
+ if (attr.size !== undefined) {
+ MEMFS.resizeFileStorage(node, attr.size)
+ }
+ },
+ lookup(parent, name) {
+ throw FS.genericErrors[44]
+ },
+ mknod(parent, name, mode, dev) {
+ return MEMFS.createNode(parent, name, mode, dev)
+ },
+ rename(old_node, new_dir, new_name) {
+ if (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(parent, name) {
+ delete parent.contents[name];
+ parent.timestamp = Date.now()
+ },
+ rmdir(parent, name) {
+ var node = FS.lookupNode(parent, name);
+ for (var i in node.contents) {
+ throw new FS.ErrnoError(55)
+ }
+ delete parent.contents[name];
+ parent.timestamp = Date.now()
+ },
+ readdir(node) {
+ var entries = [".", ".."];
+ for (var key of Object.keys(node.contents)) {
+ entries.push(key)
+ }
+ return entries
+ },
+ symlink(parent, newname, oldpath) {
+ var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
+ node.link = oldpath;
+ return node
+ },
+ readlink(node) {
+ if (!FS.isLink(node.mode)) {
+ throw new FS.ErrnoError(28)
+ }
+ return node.link
+ }
+ },
+ stream_ops: {
+ read(stream, buffer, offset, length, position) {
+ var contents = stream.node.contents;
+ if (position >= stream.node.usedBytes) return 0;
+ var size = Math.min(stream.node.usedBytes - position, length);
+ 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(stream, buffer, offset, length, position, canOwn) {
+ 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(stream, offset, whence) {
+ var position = offset;
+ if (whence === 1) {
+ position += stream.position
+ } else if (whence === 2) {
+ if (FS.isFile(stream.node.mode)) {
+ position += stream.node.usedBytes
+ }
+ }
+ if (position < 0) {
+ throw new FS.ErrnoError(28)
+ }
+ return position
+ },
+ allocate(stream, offset, length) {
+ MEMFS.expandFileStorage(stream.node, offset + length);
+ stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length)
+ },
+ mmap(stream, length, position, prot, flags) {
+ if (!FS.isFile(stream.node.mode)) {
+ throw new FS.ErrnoError(43)
+ }
+ var ptr;
+ var allocated;
+ var contents = stream.node.contents;
+ 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(stream, buffer, offset, length, mmapFlags) {
+ MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
+ return 0
+ }
+ }
+ };
+ var asyncLoad = (url, onload, onerror, noRunDep) => {
+ var dep = !noRunDep ? getUniqueRunDependency(`al ${url}`) : "";
+ readAsync(url, arrayBuffer => {
+ onload(new Uint8Array(arrayBuffer));
+ if (dep) removeRunDependency(dep)
+ }, event => {
+ if (onerror) {
+ onerror()
+ } else {
+ throw `Loading data file "${url}" failed.`
+ }
+ });
+ if (dep) addRunDependency(dep)
+ };
+ var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
+ FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn)
+ };
+ var preloadPlugins = Module["preloadPlugins"] || [];
+ var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
+ if (typeof Browser != "undefined") Browser.init();
+ var handled = false;
+ preloadPlugins.forEach(plugin => {
+ if (handled) return;
+ if (plugin["canHandle"](fullname)) {
+ plugin["handle"](byteArray, fullname, finish, onerror);
+ handled = true
+ }
+ });
+ return handled
+ };
+ var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
+ var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
+ var dep = getUniqueRunDependency(`cp ${fullname}`);
+
+ function processData(byteArray) {
+ function finish(byteArray) {
+ preFinish?.();
+ if (!dontCreateFile) {
+ FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn)
+ }
+ onload?.();
+ removeRunDependency(dep)
+ }
+ if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
+ onerror?.();
+ removeRunDependency(dep)
+ })) {
+ return
+ }
+ finish(byteArray)
+ }
+ addRunDependency(dep);
+ if (typeof url == "string") {
+ asyncLoad(url, processData, onerror)
+ } else {
+ processData(url)
+ }
+ };
+ var FS_modeStringToFlags = str => {
+ var flagModes = {
+ "r": 0,
+ "r+": 2,
+ "w": 512 | 64 | 1,
+ "w+": 512 | 64 | 2,
+ "a": 1024 | 64 | 1,
+ "a+": 1024 | 64 | 2
+ };
+ var flags = flagModes[str];
+ if (typeof flags == "undefined") {
+ throw new Error(`Unknown file open mode: ${str}`)
+ }
+ return flags
+ };
+ var FS_getMode = (canRead, canWrite) => {
+ var mode = 0;
+ if (canRead) mode |= 292 | 73;
+ if (canWrite) mode |= 146;
+ return mode
+ };
+ var FS = {
+ root: null,
+ mounts: [],
+ devices: {},
+ streams: [],
+ nextInode: 1,
+ nameTable: null,
+ currentPath: "/",
+ initialized: false,
+ ignorePermissions: true,
+ ErrnoError: class {
+ constructor(errno) {
+ this.name = "ErrnoError";
+ this.errno = errno
+ }
+ },
+ genericErrors: {},
+ filesystems: null,
+ syncFSRequests: 0,
+ lookupPath(path, opts = {}) {
+ path = PATH_FS.resolve(path);
+ if (!path) return {
+ path: "",
+ node: null
+ };
+ var defaults = {
+ follow_mount: true,
+ recurse_count: 0
+ };
+ opts = Object.assign(defaults, opts);
+ if (opts.recurse_count > 8) {
+ throw new FS.ErrnoError(32)
+ }
+ var parts = path.split("/").filter(p => !!p);
+ var current = FS.root;
+ var current_path = "/";
+ for (var i = 0; i < parts.length; i++) {
+ var islast = i === parts.length - 1;
+ if (islast && opts.parent) {
+ break
+ }
+ current = FS.lookupNode(current, parts[i]);
+ current_path = PATH.join2(current_path, parts[i]);
+ if (FS.isMountpoint(current)) {
+ if (!islast || islast && opts.follow_mount) {
+ current = current.mounted.root
+ }
+ }
+ if (!islast || opts.follow) {
+ var count = 0;
+ while (FS.isLink(current.mode)) {
+ var link = FS.readlink(current_path);
+ current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
+ var lookup = FS.lookupPath(current_path, {
+ recurse_count: opts.recurse_count + 1
+ });
+ current = lookup.node;
+ if (count++ > 40) {
+ throw new FS.ErrnoError(32)
+ }
+ }
+ }
+ }
+ return {
+ path: current_path,
+ node: current
+ }
+ },
+ getPath(node) {
+ var path;
+ while (true) {
+ if (FS.isRoot(node)) {
+ var mount = node.mount.mountpoint;
+ if (!path) return mount;
+ return mount[mount.length - 1] !== "/" ? `${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)
+ }
+ 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
+ },
+ 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) {
+ if (!FS.isDir(dir.mode)) return 54;
+ 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() {
+ for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
+ if (!FS.streams[fd]) {
+ return fd
+ }
+ }
+ throw new FS.ErrnoError(33)
+ },
+ getStreamChecked(fd) {
+ var stream = FS.getStream(fd);
+ if (!stream) {
+ throw new FS.ErrnoError(8)
+ }
+ return stream
+ },
+ getStream: fd => FS.streams[fd],
+ createStream(stream, fd = -1) {
+ if (!FS.FSStream) {
+ FS.FSStream = function() {
+ this.shared = {}
+ };
+ FS.FSStream.prototype = {};
+ Object.defineProperties(FS.FSStream.prototype, {
+ object: {
+ get() {
+ return this.node
+ },
+ set(val) {
+ this.node = val
+ }
+ },
+ isRead: {
+ get() {
+ return (this.flags & 2097155) !== 1
+ }
+ },
+ isWrite: {
+ get() {
+ return (this.flags & 2097155) !== 0
+ }
+ },
+ isAppend: {
+ get() {
+ return this.flags & 1024
+ }
+ },
+ flags: {
+ get() {
+ return this.shared.flags
+ },
+ set(val) {
+ this.shared.flags = val
+ }
+ },
+ position: {
+ get() {
+ return this.shared.position
+ },
+ set(val) {
+ this.shared.position = val
+ }
+ }
+ })
+ }
+ stream = Object.assign(new FS.FSStream, stream);
+ if (fd == -1) {
+ fd = FS.nextfd()
+ }
+ stream.fd = fd;
+ FS.streams[fd] = stream;
+ return stream
+ },
+ closeStream(fd) {
+ FS.streams[fd] = null
+ },
+ chrdev_stream_ops: {
+ open(stream) {
+ var device = FS.getDevice(stream.node.rdev);
+ stream.stream_ops = device.stream_ops;
+ stream.stream_ops.open?.(stream)
+ },
+ llseek() {
+ throw new FS.ErrnoError(70)
+ }
+ },
+ major: dev => dev >> 8,
+ minor: dev => dev & 255,
+ 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(...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.getStreamChecked(fd);
+ FS.chmod(stream.node, mode)
+ },
+ chown(path, uid, gid, dontFollow) {
+ var node;
+ if (typeof path == "string") {
+ var lookup = FS.lookupPath(path, {
+ follow: !dontFollow
+ });
+ node = lookup.node
+ } else {
+ node = path
+ }
+ if (!node.node_ops.setattr) {
+ throw new FS.ErrnoError(63)
+ }
+ node.node_ops.setattr(node, {
+ timestamp: Date.now()
+ })
+ },
+ lchown(path, uid, gid) {
+ FS.chown(path, uid, gid, true)
+ },
+ fchown(fd, uid, gid) {
+ var stream = FS.getStreamChecked(fd);
+ FS.chown(stream.node, uid, gid)
+ },
+ truncate(path, len) {
+ if (len < 0) {
+ throw new FS.ErrnoError(28)
+ }
+ var node;
+ if (typeof path == "string") {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ node = lookup.node
+ } else {
+ node = path
+ }
+ if (!node.node_ops.setattr) {
+ throw new FS.ErrnoError(63)
+ }
+ if (FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(31)
+ }
+ if (!FS.isFile(node.mode)) {
+ throw new FS.ErrnoError(28)
+ }
+ var errCode = FS.nodePermissions(node, "w");
+ if (errCode) {
+ throw new FS.ErrnoError(errCode)
+ }
+ node.node_ops.setattr(node, {
+ size: len,
+ timestamp: Date.now()
+ })
+ },
+ ftruncate(fd, len) {
+ var stream = FS.getStreamChecked(fd);
+ if ((stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(28)
+ }
+ FS.truncate(stream.node, len)
+ },
+ utime(path, atime, mtime) {
+ var lookup = FS.lookupPath(path, {
+ follow: true
+ });
+ var node = lookup.node;
+ node.node_ops.setattr(node, {
+ timestamp: Math.max(atime, mtime)
+ })
+ },
+ open(path, flags, mode) {
+ if (path === "") {
+ throw new FS.ErrnoError(44)
+ }
+ flags = typeof flags == "string" ? FS_modeStringToFlags(flags) : flags;
+ mode = typeof mode == "undefined" ? 438 : 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 randomBuffer = new Uint8Array(1024),
+ randomLeft = 0;
+ var randomByte = () => {
+ if (randomLeft === 0) {
+ randomLeft = randomFill(randomBuffer).byteLength
+ }
+ return randomBuffer[--randomLeft]
+ };
+ FS.createDevice("/dev", "random", randomByte);
+ FS.createDevice("/dev", "urandom", randomByte);
+ 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.getStreamChecked(fd);
+ 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)
+ },
+ staticInit() {
+ [44].forEach(code => {
+ FS.genericErrors[code] = new FS.ErrnoError(code);
+ FS.genericErrors[code].stack = "<generic error, no stack>"
+ });
+ 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;
+ 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)
+ }
+ },
+ 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)
+ }
+ },
+ 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?.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] = (...args) => {
+ FS.forceLoadFile(node);
+ return fn(...args)
+ }
+ });
+
+ 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
+ }
+ };
+ var UTF8ToString = (ptr, maxBytesToRead) => ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
+ var SYSCALLS = {
+ DEFAULT_POLLMASK: 5,
+ calculateAt(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(func, path, buf) {
+ var stat = func(path);
+ HEAP32[buf >> 2] = stat.dev;
+ HEAP32[buf + 4 >> 2] = stat.mode;
+ HEAPU32[buf + 8 >> 2] = stat.nlink;
+ HEAP32[buf + 12 >> 2] = stat.uid;
+ HEAP32[buf + 16 >> 2] = stat.gid;
+ HEAP32[buf + 20 >> 2] = stat.rdev;
+ tempI64 = [stat.size >>> 0, (tempDouble = stat.size, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 24 >> 2] = tempI64[0], HEAP32[buf + 28 >> 2] = tempI64[1];
+ HEAP32[buf + 32 >> 2] = 4096;
+ HEAP32[buf + 36 >> 2] = stat.blocks;
+ var atime = stat.atime.getTime();
+ var mtime = stat.mtime.getTime();
+ var ctime = stat.ctime.getTime();
+ tempI64 = [Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3), +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 40 >> 2] = tempI64[0], HEAP32[buf + 44 >> 2] = tempI64[1];
+ HEAPU32[buf + 48 >> 2] = atime % 1e3 * 1e3;
+ tempI64 = [Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3), +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 56 >> 2] = tempI64[0], HEAP32[buf + 60 >> 2] = tempI64[1];
+ HEAPU32[buf + 64 >> 2] = mtime % 1e3 * 1e3;
+ tempI64 = [Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3), +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 72 >> 2] = tempI64[0], HEAP32[buf + 76 >> 2] = tempI64[1];
+ HEAPU32[buf + 80 >> 2] = ctime % 1e3 * 1e3;
+ tempI64 = [stat.ino >>> 0, (tempDouble = stat.ino, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 88 >> 2] = tempI64[0], HEAP32[buf + 92 >> 2] = tempI64[1];
+ return 0
+ },
+ doMsync(addr, stream, len, flags, offset) {
+ if (!FS.isFile(stream.node.mode)) {
+ throw new FS.ErrnoError(43)
+ }
+ if (flags & 2) {
+ return 0
+ }
+ var buffer = HEAPU8.slice(addr, addr + len);
+ FS.msync(stream, buffer, offset, len, flags)
+ },
+ varargs: undefined,
+ get() {
+ var ret = HEAP32[+SYSCALLS.varargs >> 2];
+ SYSCALLS.varargs += 4;
+ return ret
+ },
+ getp() {
+ return SYSCALLS.get()
+ },
+ getStr(ptr) {
+ var ret = UTF8ToString(ptr);
+ return ret
+ },
+ getStreamFromFD(fd) {
+ var stream = FS.getStreamChecked(fd);
+ return stream
+ }
+ };
+
+ 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
+ }
+ while (FS.streams[arg]) {
+ arg++
+ }
+ 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 12: {
+ var arg = SYSCALLS.getp();
+ var offset = 0;
+ HEAP16[arg + offset >> 1] = 2;
+ return 0
+ }
+ case 13:
+ case 14:
+ return 0
+ }
+ return -28
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "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: {
+ if (!stream.tty) return -59;
+ return 0
+ }
+ case 21505: {
+ if (!stream.tty) return -59;
+ if (stream.tty.ops.ioctl_tcgets) {
+ var termios = stream.tty.ops.ioctl_tcgets(stream);
+ var argp = SYSCALLS.getp();
+ HEAP32[argp >> 2] = termios.c_iflag || 0;
+ HEAP32[argp + 4 >> 2] = termios.c_oflag || 0;
+ HEAP32[argp + 8 >> 2] = termios.c_cflag || 0;
+ HEAP32[argp + 12 >> 2] = termios.c_lflag || 0;
+ for (var i = 0; i < 32; i++) {
+ HEAP8[argp + i + 17] = termios.c_cc[i] || 0
+ }
+ return 0
+ }
+ return 0
+ }
+ case 21510:
+ case 21511:
+ case 21512: {
+ if (!stream.tty) return -59;
+ return 0
+ }
+ case 21506:
+ case 21507:
+ case 21508: {
+ if (!stream.tty) return -59;
+ if (stream.tty.ops.ioctl_tcsets) {
+ var argp = SYSCALLS.getp();
+ var c_iflag = HEAP32[argp >> 2];
+ var c_oflag = HEAP32[argp + 4 >> 2];
+ var c_cflag = HEAP32[argp + 8 >> 2];
+ var c_lflag = HEAP32[argp + 12 >> 2];
+ var c_cc = [];
+ for (var i = 0; i < 32; i++) {
+ c_cc.push(HEAP8[argp + i + 17])
+ }
+ return stream.tty.ops.ioctl_tcsets(stream.tty, op, {
+ c_iflag: c_iflag,
+ c_oflag: c_oflag,
+ c_cflag: c_cflag,
+ c_lflag: c_lflag,
+ c_cc: c_cc
+ })
+ }
+ return 0
+ }
+ case 21519: {
+ if (!stream.tty) return -59;
+ var argp = SYSCALLS.getp();
+ HEAP32[argp >> 2] = 0;
+ return 0
+ }
+ case 21520: {
+ if (!stream.tty) return -59;
+ return -28
+ }
+ case 21531: {
+ var argp = SYSCALLS.getp();
+ return FS.ioctl(stream, op, argp)
+ }
+ case 21523: {
+ if (!stream.tty) return -59;
+ if (stream.tty.ops.ioctl_tiocgwinsz) {
+ var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
+ var argp = SYSCALLS.getp();
+ HEAP16[argp >> 1] = winsize[0];
+ HEAP16[argp + 2 >> 1] = winsize[1]
+ }
+ return 0
+ }
+ case 21524: {
+ if (!stream.tty) return -59;
+ return 0
+ }
+ case 21515: {
+ if (!stream.tty) return -59;
+ return 0
+ }
+ default:
+ return -28
+ }
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "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.name === "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.name === "ErrnoError")) throw e;
+ return -e.errno
+ }
+ }
+ var _emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
+ var abortOnCannotGrowMemory = requestedSize => {
+ abort("OOM")
+ };
+ var _emscripten_resize_heap = requestedSize => {
+ var oldSize = HEAPU8.length;
+ requestedSize >>>= 0;
+ abortOnCannotGrowMemory(requestedSize)
+ };
+ var ENV = {};
+ var getExecutableName = () => thisProgram || "./this.program";
+ var 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
+ };
+ var stringToAscii = (str, buffer) => {
+ for (var i = 0; i < str.length; ++i) {
+ HEAP8[buffer++] = str.charCodeAt(i)
+ }
+ HEAP8[buffer] = 0
+ };
+ var _environ_get = (__environ, environ_buf) => {
+ var bufSize = 0;
+ getEnvStrings().forEach((string, i) => {
+ var ptr = environ_buf + bufSize;
+ HEAPU32[__environ + i * 4 >> 2] = ptr;
+ stringToAscii(string, ptr);
+ bufSize += string.length + 1
+ });
+ return 0
+ };
+ var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
+ var strings = getEnvStrings();
+ HEAPU32[penviron_count >> 2] = strings.length;
+ var bufSize = 0;
+ strings.forEach(string => bufSize += string.length + 1);
+ HEAPU32[penviron_buf_size >> 2] = bufSize;
+ return 0
+ };
+ var runtimeKeepaliveCounter = 0;
+ var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
+ var _proc_exit = code => {
+ EXITSTATUS = code;
+ if (!keepRuntimeAlive()) {
+ Module["onExit"]?.(code);
+ ABORT = true
+ }
+ quit_(code, new ExitStatus(code))
+ };
+ var exitJS = (status, implicit) => {
+ EXITSTATUS = status;
+ _proc_exit(status)
+ };
+ var _exit = exitJS;
+
+ function _fd_close(fd) {
+ try {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ FS.close(stream);
+ return 0
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno
+ }
+ }
+
+ function _fd_fdstat_get(fd, pbuf) {
+ try {
+ var rightsBase = 0;
+ var rightsInheriting = 0;
+ var flags = 0;
+ {
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4
+ }
+ HEAP8[pbuf] = type;
+ HEAP16[pbuf + 2 >> 1] = flags;
+ tempI64 = [rightsBase >>> 0, (tempDouble = rightsBase, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[pbuf + 8 >> 2] = tempI64[0], HEAP32[pbuf + 12 >> 2] = tempI64[1];
+ tempI64 = [rightsInheriting >>> 0, (tempDouble = rightsInheriting, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[pbuf + 16 >> 2] = tempI64[0], HEAP32[pbuf + 20 >> 2] = tempI64[1];
+ return 0
+ } catch (e) {
+ if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+ return e.errno
+ }
+ }
+ var doReadv = (stream, iov, iovcnt, offset) => {
+ var ret = 0;
+ for (var i = 0; i < iovcnt; i++) {
+ var ptr = HEAPU32[iov >> 2];
+ var len = HEAPU32[iov + 4 >> 2];
+ iov += 8;
+ var curr = FS.read(stream, HEAP8, ptr, len, offset);
+ if (curr < 0) return -1;
+ ret += curr;
+ if (curr < len) break;
+ 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.name === "ErrnoError")) throw e;
+ return e.errno
+ }
+ }
+ var convertI32PairToI53Checked = (lo, hi) => hi + 2097152 >>> 0 < 4194305 - !!lo ? (lo >>> 0) + hi * 4294967296 : NaN;
+
+ function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
+ var offset = convertI32PairToI53Checked(offset_low, offset_high);
+ try {
+ if (isNaN(offset)) return 61;
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ FS.llseek(stream, offset, whence);
+ tempI64 = [stream.position >>> 0, (tempDouble = stream.position, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 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.name === "ErrnoError")) throw e;
+ return e.errno
+ }
+ }
+ var doWritev = (stream, iov, iovcnt, offset) => {
+ var ret = 0;
+ for (var i = 0; i < iovcnt; i++) {
+ var ptr = HEAPU32[iov >> 2];
+ var len = HEAPU32[iov + 4 >> 2];
+ iov += 8;
+ var curr = FS.write(stream, HEAP8, ptr, len, offset);
+ if (curr < 0) return -1;
+ ret += curr;
+ 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.name === "ErrnoError")) throw e;
+ return e.errno
+ }
+ }
+ var runAndAbortIfError = func => {
+ try {
+ return func()
+ } catch (e) {
+ abort(e)
+ }
+ };
+ var handleException = e => {
+ if (e instanceof ExitStatus || e == "unwind") {
+ return EXITSTATUS
+ }
+ quit_(1, e)
+ };
+ var maybeExit = () => {
+ if (!keepRuntimeAlive()) {
+ try {
+ _exit(EXITSTATUS)
+ } catch (e) {
+ handleException(e)
+ }
+ }
+ };
+ var callUserCallback = func => {
+ if (ABORT) {
+ return
+ }
+ try {
+ func();
+ maybeExit()
+ } catch (e) {
+ handleException(e)
+ }
+ };
+ var runtimeKeepalivePush = () => {
+ runtimeKeepaliveCounter += 1
+ };
+ var runtimeKeepalivePop = () => {
+ runtimeKeepaliveCounter -= 1
+ };
+ var Asyncify = {
+ instrumentWasmImports(imports) {
+ var importPattern = /^(invoke_.*|__asyncjs__.*)$/;
+ for (let [x, original] of Object.entries(imports)) {
+ let sig = original.sig;
+ if (typeof original == "function") {
+ let isAsyncifyImport = original.isAsync || importPattern.test(x)
+ }
+ }
+ },
+ instrumentWasmExports(exports) {
+ var ret = {};
+ for (let [x, original] of Object.entries(exports)) {
+ if (typeof original == "function") {
+ ret[x] = (...args) => {
+ Asyncify.exportCallStack.push(x);
+ try {
+ return original(...args)
+ } finally {
+ if (!ABORT) {
+ var y = Asyncify.exportCallStack.pop();
+ Asyncify.maybeStopUnwind()
+ }
+ }
+ }
+ } else {
+ ret[x] = original
+ }
+ }
+ return ret
+ },
+ State: {
+ Normal: 0,
+ Unwinding: 1,
+ Rewinding: 2,
+ Disabled: 3
+ },
+ state: 0,
+ StackSize: 4096,
+ currData: null,
+ handleSleepReturnValue: 0,
+ exportCallStack: [],
+ callStackNameToId: {},
+ callStackIdToName: {},
+ callStackId: 0,
+ asyncPromiseHandlers: null,
+ sleepCallbacks: [],
+ getCallStackId(funcName) {
+ var id = Asyncify.callStackNameToId[funcName];
+ if (id === undefined) {
+ id = Asyncify.callStackId++;
+ Asyncify.callStackNameToId[funcName] = id;
+ Asyncify.callStackIdToName[id] = funcName
+ }
+ return id
+ },
+ maybeStopUnwind() {
+ if (Asyncify.currData && Asyncify.state === Asyncify.State.Unwinding && Asyncify.exportCallStack.length === 0) {
+ Asyncify.state = Asyncify.State.Normal;
+ runAndAbortIfError(_asyncify_stop_unwind);
+ if (typeof Fibers != "undefined") {
+ Fibers.trampoline()
+ }
+ }
+ },
+ whenDone() {
+ return new Promise((resolve, reject) => {
+ Asyncify.asyncPromiseHandlers = {
+ resolve: resolve,
+ reject: reject
+ }
+ })
+ },
+ allocateData() {
+ var ptr = _malloc(12 + Asyncify.StackSize);
+ Asyncify.setDataHeader(ptr, ptr + 12, Asyncify.StackSize);
+ Asyncify.setDataRewindFunc(ptr);
+ return ptr
+ },
+ setDataHeader(ptr, stack, stackSize) {
+ HEAPU32[ptr >> 2] = stack;
+ HEAPU32[ptr + 4 >> 2] = stack + stackSize
+ },
+ setDataRewindFunc(ptr) {
+ var bottomOfCallStack = Asyncify.exportCallStack[0];
+ var rewindId = Asyncify.getCallStackId(bottomOfCallStack);
+ HEAP32[ptr + 8 >> 2] = rewindId
+ },
+ getDataRewindFunc(ptr) {
+ var id = HEAP32[ptr + 8 >> 2];
+ var name = Asyncify.callStackIdToName[id];
+ var func = wasmExports[name];
+ return func
+ },
+ doRewind(ptr) {
+ var start = Asyncify.getDataRewindFunc(ptr);
+ return start()
+ },
+ handleSleep(startAsync) {
+ if (ABORT) return;
+ if (Asyncify.state === Asyncify.State.Normal) {
+ var reachedCallback = false;
+ var reachedAfterCallback = false;
+ startAsync((handleSleepReturnValue = 0) => {
+ if (ABORT) return;
+ Asyncify.handleSleepReturnValue = handleSleepReturnValue;
+ reachedCallback = true;
+ if (!reachedAfterCallback) {
+ return
+ }
+ Asyncify.state = Asyncify.State.Rewinding;
+ runAndAbortIfError(() => _asyncify_start_rewind(Asyncify.currData));
+ if (typeof Browser != "undefined" && Browser.mainLoop.func) {
+ Browser.mainLoop.resume()
+ }
+ var asyncWasmReturnValue, isError = false;
+ try {
+ asyncWasmReturnValue = Asyncify.doRewind(Asyncify.currData)
+ } catch (err) {
+ asyncWasmReturnValue = err;
+ isError = true
+ }
+ var handled = false;
+ if (!Asyncify.currData) {
+ var asyncPromiseHandlers = Asyncify.asyncPromiseHandlers;
+ if (asyncPromiseHandlers) {
+ Asyncify.asyncPromiseHandlers = null;
+ (isError ? asyncPromiseHandlers.reject : asyncPromiseHandlers.resolve)(asyncWasmReturnValue);
+ handled = true
+ }
+ }
+ if (isError && !handled) {
+ throw asyncWasmReturnValue
+ }
+ });
+ reachedAfterCallback = true;
+ if (!reachedCallback) {
+ Asyncify.state = Asyncify.State.Unwinding;
+ Asyncify.currData = Asyncify.allocateData();
+ if (typeof Browser != "undefined" && Browser.mainLoop.func) {
+ Browser.mainLoop.pause()
+ }
+ runAndAbortIfError(() => _asyncify_start_unwind(Asyncify.currData))
+ }
+ } else if (Asyncify.state === Asyncify.State.Rewinding) {
+ Asyncify.state = Asyncify.State.Normal;
+ runAndAbortIfError(_asyncify_stop_rewind);
+ _free(Asyncify.currData);
+ Asyncify.currData = null;
+ Asyncify.sleepCallbacks.forEach(callUserCallback)
+ } else {
+ abort(`invalid state: ${Asyncify.state}`)
+ }
+ return Asyncify.handleSleepReturnValue
+ },
+ handleAsync(startAsync) {
+ return Asyncify.handleSleep(wakeUp => {
+ startAsync().then(wakeUp)
+ })
+ }
+ };
+ var getCFunc = ident => {
+ var func = Module["_" + ident];
+ return func
+ };
+ var writeArrayToMemory = (array, buffer) => {
+ HEAP8.set(array, buffer)
+ };
+ var stringToUTF8 = (str, outPtr, maxBytesToWrite) => stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
+ var stringToUTF8OnStack = str => {
+ var size = lengthBytesUTF8(str) + 1;
+ var ret = stackAlloc(size);
+ stringToUTF8(str, ret, size);
+ return ret
+ };
+ var ccall = (ident, returnType, argTypes, args, opts) => {
+ var toC = {
+ "string": str => {
+ var ret = 0;
+ if (str !== null && str !== undefined && str !== 0) {
+ ret = stringToUTF8OnStack(str)
+ }
+ return ret
+ },
+ "array": arr => {
+ var ret = stackAlloc(arr.length);
+ writeArrayToMemory(arr, ret);
+ return ret
+ }
+ };
+
+ function convertReturnValue(ret) {
+ if (returnType === "string") {
+ return UTF8ToString(ret)
+ }
+ if (returnType === "boolean") return Boolean(ret);
+ return ret
+ }
+ var func = getCFunc(ident);
+ var cArgs = [];
+ var stack = 0;
+ if (args) {
+ for (var i = 0; i < args.length; i++) {
+ var converter = toC[argTypes[i]];
+ if (converter) {
+ if (stack === 0) stack = stackSave();
+ cArgs[i] = converter(args[i])
+ } else {
+ cArgs[i] = args[i]
+ }
+ }
+ }
+ var previousAsync = Asyncify.currData;
+ var ret = func(...cArgs);
+
+ function onDone(ret) {
+ runtimeKeepalivePop();
+ if (stack !== 0) stackRestore(stack);
+ return convertReturnValue(ret)
+ }
+ var asyncMode = opts?.async;
+ runtimeKeepalivePush();
+ if (Asyncify.currData != previousAsync) {
+ return Asyncify.whenDone().then(onDone)
+ }
+ ret = onDone(ret);
+ if (asyncMode) return Promise.resolve(ret);
+ return ret
+ };
+ var cwrap = (ident, returnType, argTypes, opts) => {
+ var numericArgs = !argTypes || argTypes.every(type => type === "number" || type === "boolean");
+ var numericRet = returnType !== "string";
+ if (numericRet && numericArgs && !opts) {
+ return getCFunc(ident)
+ }
+ return (...args) => ccall(ident, returnType, argTypes, args, opts)
+ };
+ var stringToNewUTF8 = str => {
+ var size = lengthBytesUTF8(str) + 1;
+ var ret = _malloc(size);
+ if (ret) stringToUTF8(str, ret, size);
+ return ret
+ };
+ 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.createPreloadedFile = FS_createPreloadedFile;
+ FS.staticInit();
+ Module["FS_createPath"] = FS.createPath;
+ Module["FS_createDataFile"] = FS.createDataFile;
+ Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
+ Module["FS_unlink"] = FS.unlink;
+ Module["FS_createLazyFile"] = FS.createLazyFile;
+ Module["FS_createDevice"] = FS.createDevice;
+ var wasmImports = {
+ d: ___syscall_fcntl64,
+ h: ___syscall_ioctl,
+ i: ___syscall_openat,
+ l: ___syscall_stat64,
+ n: _emscripten_memcpy_js,
+ k: _emscripten_resize_heap,
+ e: _environ_get,
+ f: _environ_sizes_get,
+ a: _exit,
+ b: _fd_close,
+ m: _fd_fdstat_get,
+ g: _fd_read,
+ j: _fd_seek,
+ c: _fd_write
+ };
+ var wasmExports = createWasm();
+ var ___wasm_call_ctors = () => (___wasm_call_ctors = wasmExports["p"])();
+ var _free = a0 => (_free = wasmExports["q"])(a0);
+ var _malloc = a0 => (_malloc = wasmExports["r"])(a0);
+ var _test_int = Module["_test_int"] = (a0, a1) => (_test_int = Module["_test_int"] = wasmExports["t"])(a0, a1);
+ var _do_a_conversion = Module["_do_a_conversion"] = (a0, a1) => (_do_a_conversion = Module["_do_a_conversion"] = wasmExports["u"])(a0, a1);
+ var stackSave = () => (stackSave = wasmExports["v"])();
+ var stackRestore = a0 => (stackRestore = wasmExports["w"])(a0);
+ var stackAlloc = a0 => (stackAlloc = wasmExports["x"])(a0);
+ var _asyncify_start_unwind = a0 => (_asyncify_start_unwind = wasmExports["y"])(a0);
+ var _asyncify_stop_unwind = () => (_asyncify_stop_unwind = wasmExports["z"])();
+ var _asyncify_start_rewind = a0 => (_asyncify_start_rewind = wasmExports["A"])(a0);
+ var _asyncify_stop_rewind = () => (_asyncify_stop_rewind = wasmExports["B"])();
+ Module["addRunDependency"] = addRunDependency;
+ Module["removeRunDependency"] = removeRunDependency;
+ Module["FS_createPath"] = FS.createPath;
+ Module["FS_createLazyFile"] = FS.createLazyFile;
+ Module["FS_createDevice"] = FS.createDevice;
+ Module["ccall"] = ccall;
+ Module["cwrap"] = cwrap;
+ Module["stringToNewUTF8"] = stringToNewUTF8;
+ Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
+ Module["FS_createDataFile"] = FS.createDataFile;
+ Module["FS_unlink"] = FS.unlink;
+ var calledRun;
+ dependenciesFulfilled = function runCaller() {
+ if (!calledRun) run();
+ if (!calledRun) dependenciesFulfilled = runCaller
+ };
+
+ function run() {
+ 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();
+ return moduleArg.ready
+ }
+ );
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+ module.exports = createMyModule;
+else if (typeof define === 'function' && define['amd'])
+ define([], () => createMyModule);
\ No newline at end of file
diff --git a/webview b/webview
new file mode 160000
index 0000000..adbb85d
--- /dev/null
+++ b/webview
@@ -0,0 +1 @@
+Subproject commit adbb85d0f54537b8034ece0bab67c7d1438e3cda
diff --git a/webview-frontend.cpp b/webview-frontend.cpp
new file mode 100644
index 0000000..c9c008a
--- /dev/null
+++ b/webview-frontend.cpp
@@ -0,0 +1,63 @@
+#include <iostream>
+#include <stdio.h>
+#include "webview/webview.h"
+#include "nlohmann/json.hpp"
+#include "bundle-webview-js.h"
+
+using json = nlohmann::json;
+
+extern "C" {
+ extern void do_a_conversion(char *, char *);
+}
+
+extern char log_buffer[4096];
+extern char *log_buffer_ptr;
+
+
+std::string convert(std::string arg) {
+ std::cout << "Params: " << arg << std::endl;
+ json j = json::parse(arg);
+
+ auto from = j[0].template get<std::string>(),
+ to = j[1].template get<std::string>();
+
+ std::cout << from << ' ' << to << std::endl;
+
+ do_a_conversion((char *)from.data(), (char *)to.data());
+ std::string res = json(std::string(log_buffer, log_buffer_ptr - log_buffer)).dump();
+ log_buffer_ptr = log_buffer;
+ std::cout << res << std::endl;
+ return res;
+}
+
+std::string get_html() {
+ return std::string("<div id=app></div><script>") + std::string((const char *)bundle_webview_js, bundle_webview_js_len) + std::string("</script>");
+}
+
+#ifdef WIN32
+int WINAPI WinMain(HINSTANCE hInt, HINSTANCE hPrevInst, LPSTR lpCmdLine,
+ int nCmdShow) {
+#else
+int main() {
+#endif
+ // cookie_io_functions_t iofns = {NULL};
+ // iofns.cookie_write_function_t = writer;
+ //
+ // stdout = fopencookie(NULL, "r", iofns);
+
+ try {
+ webview::webview w(false, nullptr);
+ w.set_title("Units");
+ w.set_size(480, 320, WEBVIEW_HINT_NONE);
+ w.bind("convert", convert);
+ w.set_html(get_html());
+ // w.navigate("http://localhost:8000/index-webview.html");
+ w.run();
+ } catch (const webview::exception &e) {
+ std::cerr << e.what() << std::endl;
+ return 1;
+ }
+
+
+ return 0;
+}
diff --git a/webview-frontend.js b/webview-frontend.js
new file mode 100644
index 0000000..9a53b21
--- /dev/null
+++ b/webview-frontend.js
@@ -0,0 +1,4 @@
+const {UnitsApp} = require("./frontend-impl.js");
+const React = require("preact");
+
+React.render(<UnitsApp />, document.getElementById("app"));
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..ac175a8
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,620 @@
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+# yarn lockfile v1
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+ version "3.0.0"
+ resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-3.0.0.tgz#22b0a2850cdf6503e73085da1fc7b7d0c2122f2f"
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