+++ /dev/null
-<!doctype html>
-<html>
- <head>
- <meta charset="utf-8">
- <title>CodeMirror: Scheme mode</title>
- <link rel="stylesheet" href="../../lib/codemirror.css">
- <script src="../../lib/codemirror.js"></script>
- <script src="scheme.js"></script>
- <style>.CodeMirror {background: #f8f8f8;}</style>
- <link rel="stylesheet" href="../../doc/docs.css">
- </head>
- <body>
- <h1>CodeMirror: Scheme mode</h1>
- <form><textarea id="code" name="code">
-; See if the input starts with a given symbol.
-(define (match-symbol input pattern)
- (cond ((null? (remain input)) #f)
- ((eqv? (car (remain input)) pattern) (r-cdr input))
- (else #f)))
-
-; Allow the input to start with one of a list of patterns.
-(define (match-or input pattern)
- (cond ((null? pattern) #f)
- ((match-pattern input (car pattern)))
- (else (match-or input (cdr pattern)))))
-
-; Allow a sequence of patterns.
-(define (match-seq input pattern)
- (if (null? pattern)
- input
- (let ((match (match-pattern input (car pattern))))
- (if match (match-seq match (cdr pattern)) #f))))
-
-; Match with the pattern but no problem if it does not match.
-(define (match-opt input pattern)
- (let ((match (match-pattern input (car pattern))))
- (if match match input)))
-
-; Match anything (other than '()), until pattern is found. The rather
-; clumsy form of requiring an ending pattern is needed to decide where
-; the end of the match is. If none is given, this will match the rest
-; of the sentence.
-(define (match-any input pattern)
- (cond ((null? (remain input)) #f)
- ((null? pattern) (f-cons (remain input) (clear-remain input)))
- (else
- (let ((accum-any (collector)))
- (define (match-pattern-any input pattern)
- (cond ((null? (remain input)) #f)
- (else (accum-any (car (remain input)))
- (cond ((match-pattern (r-cdr input) pattern))
- (else (match-pattern-any (r-cdr input) pattern))))))
- (let ((retval (match-pattern-any input (car pattern))))
- (if retval
- (f-cons (accum-any) retval)
- #f))))))
-</textarea></form>
- <script>
- var editor = CodeMirror.fromTextArea(document.getElementById("code"), {});
- </script>
-
- <p><strong>MIME types defined:</strong> <code>text/x-scheme</code>.</p>
-
- </body>
-</html>