S2OJ/web/js/codemirror/mode/pegjs/index.html
Masco Skray 96d4a3ecf7 style(judger,web): move code out from subfolder "1"
Due to historical reasons, the code is in subfolder "1".
With SVN removal, we place the code back and remove the annoying "1" folder.
2019-06-14 23:34:41 +08:00

67 lines
1.8 KiB
HTML

<!doctype html>
<html>
<head>
<title>CodeMirror: PEG.js Mode</title>
<meta charset="utf-8"/>
<link rel=stylesheet href="../../doc/docs.css">
<link rel="stylesheet" href="../../lib/codemirror.css">
<script src="../../lib/codemirror.js"></script>
<script src="../javascript/javascript.js"></script>
<script src="pegjs.js"></script>
<style type="text/css">.CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;}</style>
</head>
<body>
<div id=nav>
<a href="http://codemirror.net"><img id=logo src="../../doc/logo.png"></a>
<ul>
<li><a href="../../index.html">Home</a>
<li><a href="../../doc/manual.html">Manual</a>
<li><a href="https://github.com/marijnh/codemirror">Code</a>
</ul>
<ul>
<li><a href="../index.html">Language modes</a>
<li><a class=active href="#">PEG.js Mode</a>
</ul>
</div>
<article>
<h2>PEG.js Mode</h2>
<form><textarea id="code" name="code">
/*
* Classic example grammar, which recognizes simple arithmetic expressions like
* "2*(3+4)". The parser generated from this grammar then computes their value.
*/
start
= additive
additive
= left:multiplicative "+" right:additive { return left + right; }
/ multiplicative
multiplicative
= left:primary "*" right:multiplicative { return left * right; }
/ primary
primary
= integer
/ "(" additive:additive ")" { return additive; }
integer "integer"
= digits:[0-9]+ { return parseInt(digits.join(""), 10); }
letter = [a-z]+</textarea></form>
<script>
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
mode: {name: "pegjs"},
lineNumbers: true
});
</script>
<h3>The PEG.js Mode</h3>
<p> Created by Forbes Lindesay.</p>
</article>
</body>
</html>