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| author | Wu Cheng-Han | 2015-05-04 15:53:29 +0800 |
|---|---|---|
| committer | Wu Cheng-Han | 2015-05-04 15:53:29 +0800 |
| commit | 4b0ca55eb79e963523eb6c8197825e9e8ae904e2 (patch) | |
| tree | 574f3923af77b37b41dbf1b00bcd7827ef724a28 /public/vendor/codemirror/mode/ebnf/index.html | |
| parent | 61eb11d23c65c9e5c493c67d055f785cbec139e2 (diff) | |
First commit, version 0.2.7
Diffstat (limited to 'public/vendor/codemirror/mode/ebnf/index.html')
| -rwxr-xr-x | public/vendor/codemirror/mode/ebnf/index.html | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/public/vendor/codemirror/mode/ebnf/index.html b/public/vendor/codemirror/mode/ebnf/index.html new file mode 100755 index 00000000..13845629 --- /dev/null +++ b/public/vendor/codemirror/mode/ebnf/index.html @@ -0,0 +1,102 @@ +<!doctype html> +<html> + <head> + <title>CodeMirror: EBNF 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="ebnf.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"><h1>CodeMirror</h1><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/codemirror/codemirror">Code</a> + </ul> + <ul> + <li><a href="../index.html">Language modes</a> + <li><a class=active href="#">EBNF Mode</a> + </ul> + </div> + + <article> + <h2>EBNF Mode (bracesMode setting = "javascript")</h2> + <form><textarea id="code" name="code"> +/* description: Parses end executes mathematical expressions. */ + +/* lexical grammar */ +%lex + +%% +\s+ /* skip whitespace */ +[0-9]+("."[0-9]+)?\b return 'NUMBER'; +"*" return '*'; +"/" return '/'; +"-" return '-'; +"+" return '+'; +"^" return '^'; +"(" return '('; +")" return ')'; +"PI" return 'PI'; +"E" return 'E'; +<<EOF>> return 'EOF'; + +/lex + +/* operator associations and precedence */ + +%left '+' '-' +%left '*' '/' +%left '^' +%left UMINUS + +%start expressions + +%% /* language grammar */ + +expressions +: e EOF +{print($1); return $1;} +; + +e +: e '+' e +{$$ = $1+$3;} +| e '-' e +{$$ = $1-$3;} +| e '*' e +{$$ = $1*$3;} +| e '/' e +{$$ = $1/$3;} +| e '^' e +{$$ = Math.pow($1, $3);} +| '-' e %prec UMINUS +{$$ = -$2;} +| '(' e ')' +{$$ = $2;} +| NUMBER +{$$ = Number(yytext);} +| E +{$$ = Math.E;} +| PI +{$$ = Math.PI;} +;</textarea></form> + <script> + var editor = CodeMirror.fromTextArea(document.getElementById("code"), { + mode: {name: "ebnf"}, + lineNumbers: true, + bracesMode: 'javascript' + }); + </script> + <h3>The EBNF Mode</h3> + <p> Created by <a href="https://github.com/robertleeplummerjr">Robert Plummer</a></p> + </article> + </body> +</html> |