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;*=====================================================================*/
;* serrano/prgm/project/skribe/src/bigloo/c.scm */
;* ------------------------------------------------------------- */
;* Author : Manuel Serrano */
;* Creation : Mon Sep 1 12:08:39 2003 */
;* Last change : Thu May 27 10:11:24 2004 (serrano) */
;* Copyright : 2003-04 Manuel Serrano */
;* ------------------------------------------------------------- */
;* C fontification */
;*=====================================================================*/
;*---------------------------------------------------------------------*/
;* The module */
;*---------------------------------------------------------------------*/
(module skribe_c
(include "new.sch")
(import skribe_types
skribe_lib
skribe_resolve
skribe_eval
skribe_api
skribe_param
skribe_source)
(export C))
;*---------------------------------------------------------------------*/
;* C stamps */
;*---------------------------------------------------------------------*/
(define *keyword* (gensym))
(define *cpp* (gensym))
;*---------------------------------------------------------------------*/
;* C keywords */
;*---------------------------------------------------------------------*/
(for-each (lambda (symbol)
(putprop! symbol *keyword* #t))
'(for class template while return try catch break continue
do if else typedef struct union goto switch case
static extern default finally throw))
(let ((sharp (string->symbol "#")))
(for-each (lambda (symbol)
(putprop! (symbol-append sharp symbol) *cpp* #t))
'(include define if ifdef ifdef else endif)))
;*---------------------------------------------------------------------*/
;* C ... */
;*---------------------------------------------------------------------*/
(define C
(new language
(name "C")
(fontifier c-fontifier)
(extractor #f)))
;*---------------------------------------------------------------------*/
;* c-fontifier ... */
;*---------------------------------------------------------------------*/
(define (c-fontifier s)
(let ((g (regular-grammar ()
((: "/*" (* (or (out #\*) (: (+ #\*) (out #\/ #\*))))
(+ #\*) "/")
;; bold comments
(let ((str (split-string-newline (the-string))))
(append (map (lambda (s)
(if (eq? s 'eol)
"\n"
(new markup
(markup '&source-line-comment)
(body s))))
str)
(ignore))))
((: "//" (* all))
;; italic comments
(let ((c (new markup
(markup '&source-comment)
(body (the-string)))))
(cons c (ignore))))
((+ (or #\Newline #\Space))
;; separators
(let ((str (the-string)))
(cons str (ignore))))
((in "{}")
;; brackets
(let ((str (the-string)))
(let ((c (new markup
(markup '&source-bracket)
(body (the-string)))))
(cons c (ignore)))))
((+ (out #\; #\Space #\Tab #\Newline #\( #\) #\{ #\} #\[ #\] #\" #\< #\> #\= #\! #\/ #\/ #\+ #\* #\-))
;; keywords
(let* ((string (the-string))
(symbol (the-symbol)))
(cond
((getprop symbol *keyword*)
(let ((c (new markup
(markup '&source-keyword)
(ident (symbol->string (gensym)))
(body string))))
(cons c (ignore))))
((getprop symbol *cpp*)
(let ((c (new markup
(markup '&source-module)
(ident (symbol->string (gensym)))
(body string))))
(cons c (ignore))))
(else
(cons string (ignore))))))
((in "<>=!/\\+*-([])")
;; regular text
(let ((s (the-string)))
(cons s (ignore))))
((: "\"" (* (or (out #a000 #\\ #\") (: #\\ all))) "\"")
;; strings
(let ((str (split-string-newline (the-string))))
(append (map (lambda (s)
(if (eq? s 'eol)
"\n"
(new markup
(markup '&source-string)
(body s))))
str)
(ignore))))
((+ (or #\; #\" #\# #\tab))
(let ((str (the-string)))
(cons str (ignore))))
(else
(let ((c (the-failure)))
(if (eof-object? c)
'()
(error "source(C)" "Unexpected character" c)))))))
(read/rp g (open-input-string s))))
|
