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-rw-r--r--src/bigloo/source.scm238
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diff --git a/src/bigloo/source.scm b/src/bigloo/source.scm
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@@ -1,238 +0,0 @@
-;*=====================================================================*/
-;* serrano/prgm/project/skribe/src/bigloo/source.scm */
-;* ------------------------------------------------------------- */
-;* Author : Manuel Serrano */
-;* Creation : Fri Aug 29 07:27:25 2003 */
-;* Last change : Tue Nov 2 14:25:50 2004 (serrano) */
-;* Copyright : 2003-04 Manuel Serrano */
-;* ------------------------------------------------------------- */
-;* The Bigloo handling of Skribe programs. */
-;*=====================================================================*/
-
-;*---------------------------------------------------------------------*/
-;* The module */
-;*---------------------------------------------------------------------*/
-(module skribe_source
-
- (include "new.sch")
-
- (import skribe_types
- skribe_lib
- skribe_resolve
- skribe_eval
- skribe_api
- skribe_param)
-
- (export (source-read-chars::bstring ::bstring ::int ::int ::obj)
- (source-read-lines::bstring ::bstring ::obj ::obj ::obj)
- (source-read-definition::bstring ::bstring ::obj ::obj ::obj)
- (source-fontify ::obj ::obj)
- (split-string-newline::pair-nil ::bstring)))
-
-;*---------------------------------------------------------------------*/
-;* source-read-lines ... */
-;*---------------------------------------------------------------------*/
-(define (source-read-chars file start stop tab)
- (define (readl p)
- (read/rp (regular-grammar ()
- ((: (* (out #\Newline)) (? #\Newline))
- (the-string))
- (else
- (the-failure)))
- p))
- (let ((p (find-file/path file (skribe-source-path))))
- (if (or (not (string? p)) (not (file-exists? p)))
- (skribe-error 'source
- (format "Can't find `~a' source file in path" file)
- (skribe-source-path))
- (with-input-from-file p
- (lambda ()
- (if (>fx *skribe-verbose* 0)
- (fprint (current-error-port) " [source file: " p "]"))
- (let loop ((c -1)
- (s (readl (current-input-port)))
- (r '()))
- (let ((p (input-port-position (current-input-port))))
- (cond
- ((eof-object? s)
- (apply string-append (reverse! r)))
- ((>=fx p stop)
- (let* ((len (-fx (-fx stop start) c))
- (line (untabify (substring s 0 len) tab)))
- (apply string-append
- (reverse! (cons line r)))))
- ((>=fx c 0)
- (loop (+fx (string-length s) c)
- (readl (current-input-port))
- (cons (untabify s tab) r)))
- ((>=fx p start)
- (let* ((len (string-length s))
- (nc (-fx p start)))
- (if (>fx p stop)
- (untabify
- (substring s
- (-fx len (-fx p start))
- (-fx (-fx p stop) 1))
- tab)
- (loop nc
- (readl (current-input-port))
- (list
- (untabify
- (substring s
- (-fx len (-fx p start))
- len)
- tab))))))
- (else
- (loop c (readl (current-input-port)) r))))))))))
-
-;*---------------------------------------------------------------------*/
-;* source-read-lines ... */
-;*---------------------------------------------------------------------*/
-(define (source-read-lines file start stop tab)
- (let ((p (find-file/path file (skribe-source-path))))
- (if (or (not (string? p)) (not (file-exists? p)))
- (skribe-error 'source
- (format "Can't find `~a' source file in path" file)
- (skribe-source-path))
- (with-input-from-file p
- (lambda ()
- (if (>fx *skribe-verbose* 0)
- (fprint (current-error-port) " [source file: " p "]"))
- (let ((startl (if (string? start) (string-length start) -1))
- (stopl (if (string? stop) (string-length stop) -1)))
- (let loop ((l 1)
- (armedp (not (or (integer? start)
- (string? start))))
- (s (read-line))
- (r '()))
- (cond
- ((or (eof-object? s)
- (and (integer? stop) (> l stop))
- (and (string? stop) (substring=? stop s stopl)))
- (apply string-append (reverse! r)))
- (armedp
- (loop (+fx l 1)
- #t
- (read-line)
- (cons* "\n" (untabify s tab) r)))
- ((and (integer? start) (>= l start))
- (loop (+fx l 1)
- #t
- (read-line)
- (cons* "\n" (untabify s tab) r)))
- ((and (string? start) (substring=? start s startl))
- (loop (+fx l 1) #t (read-line) r))
- (else
- (loop (+fx l 1) #f (read-line) r))))))))))
-
-;*---------------------------------------------------------------------*/
-;* untabify ... */
-;*---------------------------------------------------------------------*/
-(define (untabify obj tab)
- (if (not tab)
- obj
- (let ((len (string-length obj))
- (tabl tab))
- (let loop ((i 0)
- (col 1))
- (cond
- ((=fx i len)
- (let ((nlen (-fx col 1)))
- (if (=fx len nlen)
- obj
- (let ((new (make-string col #\space)))
- (let liip ((i 0)
- (j 0)
- (col 1))
- (cond
- ((=fx i len)
- new)
- ((char=? (string-ref obj i) #\tab)
- (let ((next-tab (*fx (/fx (+fx col tabl)
- tabl)
- tabl)))
- (liip (+fx i 1)
- next-tab
- next-tab)))
- (else
- (string-set! new j (string-ref obj i))
- (liip (+fx i 1) (+fx j 1) (+fx col 1)))))))))
- ((char=? (string-ref obj i) #\tab)
- (loop (+fx i 1)
- (*fx (/fx (+fx col tabl) tabl) tabl)))
- (else
- (loop (+fx i 1) (+fx col 1))))))))
-
-;*---------------------------------------------------------------------*/
-;* source-read-definition ... */
-;*---------------------------------------------------------------------*/
-(define (source-read-definition file definition tab lang)
- (let ((p (find-file/path file (skribe-source-path))))
- (cond
- ((not (%language-extractor lang))
- (skribe-error 'source
- "The specified language has not defined extractor"
- lang))
- ((or (not p) (not (file-exists? p)))
- (skribe-error 'source
- (format "Can't find `~a' program file in path" file)
- (skribe-source-path)))
- (else
- (let ((ip (open-input-file p)))
- (if (>fx *skribe-verbose* 0)
- (fprint (current-error-port) " [source file: " p "]"))
- (if (not (input-port? ip))
- (skribe-error 'source "Can't open file for input" p)
- (unwind-protect
- (let ((s ((%language-extractor lang) ip definition tab)))
- (if (not (string? s))
- (skribe-error 'source
- "Can't find definition"
- definition)
- s))
- (close-input-port ip))))))))
-
-;*---------------------------------------------------------------------*/
-;* source-fontify ... */
-;*---------------------------------------------------------------------*/
-(define (source-fontify o language)
- (define (fontify f o)
- (cond
- ((string? o) (f o))
- ((pair? o) (map (lambda (s) (if (string? s) (f s) (fontify f s))) o))
- (else o)))
- (let ((f (%language-fontifier language)))
- (if (procedure? f)
- (fontify f o)
- o)))
-
-;*---------------------------------------------------------------------*/
-;* split-string-newline ... */
-;*---------------------------------------------------------------------*/
-(define (split-string-newline str)
- (let ((l (string-length str)))
- (let loop ((i 0)
- (j 0)
- (r '()))
- (cond
- ((=fx i l)
- (if (=fx i j)
- (reverse! r)
- (reverse! (cons (substring str j i) r))))
- ((char=? (string-ref str i) #\Newline)
- (loop (+fx i 1)
- (+fx i 1)
- (if (=fx i j)
- (cons 'eol r)
- (cons* 'eol (substring str j i) r))))
- ((and (char=? (string-ref str i) #a013)
- (<fx (+fx i 1) l)
- (char=? (string-ref str (+fx i 1)) #\Newline))
- (loop (+fx i 2)
- (+fx i 2)
- (if (=fx i j)
- (cons 'eol r)
- (cons* 'eol (substring str j i) r))))
- (else
- (loop (+fx i 1) j r))))))
-
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