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Add CodeMirror Editor for Web Demo (#228)
Also remove timestamps from output
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commit
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2 changed files with 253 additions and 19 deletions
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@ -1,31 +1,99 @@
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<form>
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<div>
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<label>Script:</label>
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<label class="header-center"><b>Input</b></label>
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<br>
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<textarea rows="10" cols="70" id="script">print("Hello World!")</textarea>
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<br><br>
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<button onclick="clearInput(); return false;">
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Clear Input
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</button>
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<button onclick="executeScript(); return false;">
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Run
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</button>
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<textarea rows="10" cols="70" id="script"></textarea>
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<div class="button-group">
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<button class="demo-button negative" style="margin: 8px 8px" onclick="clearInput(); return false;">
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Clear Input
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</button>
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<button class="demo-button positive" onclick="executeScript(); return false;">
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Run
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</button>
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</div>
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</div>
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<br><br>
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<div>
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<label>Output:</label>
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<!-- centered header saying Output -->
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<label class="header-center"><b>Output</b></label>
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<br>
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<textarea readonly rows="10" cols="70" id="output"></textarea>
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<br><br>
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<button onclick="clearOutput(); return false;">
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Clear Output
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</button>
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<div class="button-group">
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<button class="demo-button negative" onclick="clearOutput(); return false;">
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Clear Output
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</button>
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</div>
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</div>
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</form>
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<!-- Styles for editor -->
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<style>
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.button-group {
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display: flex;
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justify-content: right;
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}
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.header-center {
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text-align: center;
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}
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.demo-button {
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color: white;
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padding: 14px 20px;
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margin: 8px 0;
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border: none;
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cursor: pointer;
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width: 30%;
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display: inline;
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}
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.demo-button-rightmost {
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margin: inherit 2px;
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}
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.positive {
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background-color: #4CAF50;
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}
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.negative {
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background-color: #f44336;
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}
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</style>
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<!-- Luau WASM (async fetch) -->
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<script async src="https://github.com/Roblox/luau/releases/latest/download/Luau.Web.js"></script>
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<!-- CodeMirror -->
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<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.32.0/codemirror.min.js"></script>
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.32.0/codemirror.min.css" />
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<!-- Luau Parser for CodeMirror -->
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<script src="assets/js/luau_mode.js"></script>
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<!-- CodeMirror Luau Editor (MUST BE LOADED AFTER CODEMIRROR!) -->
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<script>
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var editor = CodeMirror.fromTextArea(document.getElementById("script"), {
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theme: "default",
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mode: "luau",
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matchBrackets: true,
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lineNumbers: true,
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smartIndent: true,
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indentWithTabs: true,
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indentUnit: 4,
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});
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editor.setValue("print(\"Hello World!\")\n");
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editor.addKeyMap({
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"Ctrl-Enter": function(cm) {
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executeScript();
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},
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"Shift-Tab": function (cm) {
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// dedent functionality
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cm.execCommand("indentLess");
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}
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});
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// Misc Functions
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function output(text) {
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document.getElementById("output").value += "[" + new Date().toLocaleTimeString() + "] " + text.replace('stdin:', '') + "\n";
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output_box = document.getElementById("output");
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output_box.value += text.replace('stdin:', '') + "\n";
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// scroll to bottom
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output_box.scrollTop = output_box.scrollHeight;
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}
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var Module = {
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@ -33,7 +101,7 @@
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};
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function clearInput() {
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document.getElementById("script").value = "";
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editor.setValue("");
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}
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function clearOutput() {
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@ -41,10 +109,9 @@
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}
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function executeScript() {
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var err = Module.ccall('executeScript', 'string', ['string'], [document.getElementById("script").value]);
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var err = Module.ccall('executeScript', 'string', ['string'], [editor.getValue()]);
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if (err) {
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output('Error:' + err.replace('stdin:', ''));
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}
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}
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</script>
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<script async src="https://github.com/Roblox/luau/releases/latest/download/Luau.Web.js"></script>
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167
docs/assets/js/luau_mode.js
Normal file
167
docs/assets/js/luau_mode.js
Normal file
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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// Luau mode. Based on Lua mode from CodeMirror and Franciszek Wawrzak (https://codemirror.net/mode/lua/lua.js)
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("luau", function(_, parserConfig) {
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var indentUnit = 4;
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function prefixRE(words) {
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return new RegExp("^(?:" + words.join("|") + ")", "i");
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}
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function wordRE(words) {
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return new RegExp("^(?:" + words.join("|") + ")$", "i");
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}
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var specials = wordRE(parserConfig.specials || ["type"]);
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// long list of standard functions from lua manual
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var builtins = wordRE([
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"_G","_VERSION","assert","error","getfenv","getmetatable","ipairs","load", "loadstring","next","pairs","pcall",
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"print","rawequal","rawget","rawset","require","select","setfenv","setmetatable","tonumber","tostring","type",
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"unpack","xpcall",
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"coroutine.create","coroutine.resume","coroutine.running","coroutine.status","coroutine.wrap","coroutine.yield",
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"debug.debug","debug.getfenv","debug.gethook","debug.getinfo","debug.getlocal","debug.getmetatable",
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"debug.getregistry","debug.getupvalue","debug.setfenv","debug.sethook","debug.setlocal","debug.setmetatable",
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"debug.setupvalue","debug.traceback",
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"math.abs","math.acos","math.asin","math.atan","math.atan2","math.ceil","math.cos","math.cosh","math.deg",
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"math.exp","math.floor","math.fmod","math.frexp","math.huge","math.ldexp","math.log","math.log10","math.max",
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"math.min","math.modf","math.pi","math.pow","math.rad","math.random","math.randomseed","math.sin","math.sinh",
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"math.sqrt","math.tan","math.tanh",
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"os.clock","os.date","os.difftime","os.execute","os.exit","os.getenv","os.remove","os.rename","os.setlocale",
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"os.time","os.tmpname",
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"string.byte","string.char","string.dump","string.find","string.format","string.gmatch","string.gsub",
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"string.len","string.lower","string.match","string.rep","string.reverse","string.sub","string.upper",
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"table.concat","table.insert","table.maxn","table.remove","table.sort"
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]);
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var keywords = wordRE(["and","break","elseif","false","nil","not","or","return",
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"true","function", "end", "if", "then", "else", "do",
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"while", "repeat", "until", "for", "in", "local", "continue" ]);
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var indentTokens = wordRE(["function", "if","repeat","do", "\\(", "{"]);
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var dedentTokens = wordRE(["end", "until", "\\)", "}"]);
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var dedentPartial = prefixRE(["end", "until", "\\)", "}", "else", "elseif"]);
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function readBracket(stream) {
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var level = 0;
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while (stream.eat("=")) ++level;
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stream.eat("[");
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return level;
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}
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function normal(stream, state) {
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var ch = stream.next();
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if (ch == "-" && stream.eat("-")) {
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if (stream.eat("[") && stream.eat("["))
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return (state.cur = bracketed(readBracket(stream), "comment"))(stream, state);
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stream.skipToEnd();
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return "comment";
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}
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if (ch == "\"" || ch == "'")
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return (state.cur = string(ch))(stream, state);
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if (ch == "[" && /[\[=]/.test(stream.peek()))
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return (state.cur = bracketed(readBracket(stream), "string"))(stream, state);
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if (/\d/.test(ch)) {
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stream.eatWhile(/[\w.%]/);
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return "number";
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}
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if (/[\w_]/.test(ch)) {
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stream.eatWhile(/[\w\\\-_.]/);
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return "variable";
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}
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return null;
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}
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function bracketed(level, style) {
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return function(stream, state) {
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var curlev = null, ch;
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while ((ch = stream.next()) != null) {
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if (curlev == null) {
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if (ch == "]") curlev = 0;
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} else if (ch == "=") {
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++curlev;
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} else if (ch == "]" && curlev == level) {
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state.cur = normal;
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break;
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} else {
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curlev = null;
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}
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}
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return style;
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};
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}
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function string(quote) {
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return function(stream, state) {
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var escaped = false, ch;
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while ((ch = stream.next()) != null) {
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if (ch == quote && !escaped) {
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break;
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}
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escaped = !escaped && ch == "\\";
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}
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if (!escaped) {
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state.cur = normal;
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}
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return "string";
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};
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}
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return {
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startState: function(basecol) {
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return {basecol: basecol || 0, indentDepth: 0, cur: normal};
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},
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token: function(stream, state) {
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if (stream.eatSpace()) {
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return null;
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}
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var style = state.cur(stream, state);
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var word = stream.current();
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if (style == "variable") {
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if (keywords.test(word)) {
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style = "keyword";
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} else if (builtins.test(word)) {
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style = "builtin";
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} else if (specials.test(word)) {
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style = "variable-2";
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}
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}
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if ((style != "comment") && (style != "string")) {
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if (indentTokens.test(word)) {
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++state.indentDepth;
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} else if (dedentTokens.test(word)) {
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--state.indentDepth;
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}
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}
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return style;
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},
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indent: function(state, textAfter) {
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var closing = dedentPartial.test(textAfter);
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return state.basecol + indentUnit * (state.indentDepth - (closing ? 1 : 0));
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},
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electricInput: /^\s*(?:end|until|else|\)|\})$/,
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lineComment: "--",
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blockCommentStart: "--[[",
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blockCommentEnd: "]]"
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}});
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CodeMirror.defineMIME("text/x-luau", "luau");
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});
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