File modules/editor/codemirror/mode/scheme/index.html

Last commit: Sun Dec 17 01:14:09 2017 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.


     1 <!doctype html>
     2 
     3 <title>CodeMirror: Scheme mode</title>
     4 <meta charset="utf-8"/>
     5 <link rel=stylesheet href="../../doc/docs.css">
     6 
     7 <link rel="stylesheet" href="../../lib/codemirror.css">
     8 <script src="../../lib/codemirror.js"></script>
     9 <script src="scheme.js"></script>
    10 <style>.CodeMirror {background: #f8f8f8;}</style>
    11 <div id=nav>
    12   <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>
    13 
    14   <ul>
    15     <li><a href="../../index.html">Home</a>
    16     <li><a href="../../doc/manual.html">Manual</a>
    17     <li><a href="https://github.com/codemirror/codemirror">Code</a>
    18   </ul>
    19   <ul>
    20     <li><a href="../index.html">Language modes</a>
    21     <li><a class=active href="#">Scheme</a>
    22   </ul>
    23 </div>
    24 
    25 <article>
    26 <h2>Scheme mode</h2>
    27 <form><textarea id="code" name="code">
    28 ; See if the input starts with a given symbol.
    29 (define (match-symbol input pattern)
    30   (cond ((null? (remain input)) #f)
    31 	((eqv? (car (remain input)) pattern) (r-cdr input))
    32 	(else #f)))
    33 
    34 ; Allow the input to start with one of a list of patterns.
    35 (define (match-or input pattern)
    36   (cond ((null? pattern) #f)
    37 	((match-pattern input (car pattern)))
    38 	(else (match-or input (cdr pattern)))))
    39 
    40 ; Allow a sequence of patterns.
    41 (define (match-seq input pattern)
    42   (if (null? pattern)
    43       input
    44       (let ((match (match-pattern input (car pattern))))
    45 	(if match (match-seq match (cdr pattern)) #f))))
    46 
    47 ; Match with the pattern but no problem if it does not match.
    48 (define (match-opt input pattern)
    49   (let ((match (match-pattern input (car pattern))))
    50     (if match match input)))
    51 
    52 ; Match anything (other than '()), until pattern is found. The rather
    53 ; clumsy form of requiring an ending pattern is needed to decide where
    54 ; the end of the match is. If none is given, this will match the rest
    55 ; of the sentence.
    56 (define (match-any input pattern)
    57   (cond ((null? (remain input)) #f)
    58 	((null? pattern) (f-cons (remain input) (clear-remain input)))
    59 	(else
    60 	 (let ((accum-any (collector)))
    61 	   (define (match-pattern-any input pattern)
    62 	     (cond ((null? (remain input)) #f)
    63 		   (else (accum-any (car (remain input)))
    64 			 (cond ((match-pattern (r-cdr input) pattern))
    65 			       (else (match-pattern-any (r-cdr input) pattern))))))
    66 	   (let ((retval (match-pattern-any input (car pattern))))
    67 	     (if retval
    68 		 (f-cons (accum-any) retval)
    69 		 #f))))))
    70 </textarea></form>
    71     <script>
    72       var editor = CodeMirror.fromTextArea(document.getElementById("code"), {});
    73     </script>
    74 
    75     <p><strong>MIME types defined:</strong> <code>text/x-scheme</code>.</p>
    76 
    77   </article>



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Sun, 17 Dec 2017 01:14:09 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.