mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-25 05:31:53 +00:00
96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
67 lines
1.8 KiB
HTML
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>
|