1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
#! ./scmlit \
- !#
;;;; "inc2scm", Convert numeric C #defines to Scheme definitions.
;; Copyright (C) 1991-1999 Free Software Foundation, Inc.
;;
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU Lesser General Public License as
;; published by the Free Software Foundation, either version 3 of the
;; License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; Lesser General Public License for more details.
;;
;; You should have received a copy of the GNU Lesser General Public
;; License along with this program. If not, see
;; <http://www.gnu.org/licenses/>.
;;; Author: Aubrey Jaffer.
(define (inc2scm.script args)
(cond ((< 1 (length args))
(apply scm<-usr/includes args))
(else (inc2scm.usage))))
(define (inc2scm.usage)
(display "\
\
Usage: inc2scm defines.scm [pre:] [/usr/include/] file1.h file2.h ...
\
Appends to DEFINES.SCM the Scheme translations of the numeric
#define statements in /USR/INCLUDE/FILE1.H, /USR/INCLUDE/FILE2.H, ...
PRE: is prepended to those scheme names lacking a prefix.
/USR/INCLUDE/ defaults to /usr/include/.
http://people.csail.mit.edu/jaffer/SCM
"
(current-error-port))
#f)
(require 'string-search)
(require 'printf)
(require 'scanf)
(define (StudlyCaps->dashed-name nstr)
(do ((idx (+ -1 (string-length nstr)) (+ -1 idx)))
((> 2 idx))
(cond ((and (char-upper-case? (string-ref nstr (+ -1 idx)))
(char-lower-case? (string-ref nstr idx)))
(set! nstr
(string-append (substring nstr 0 (+ -1 idx))
"-"
(substring nstr (+ -1 idx)
(string-length nstr)))))
((and (char-lower-case? (string-ref nstr (+ -1 idx)))
(char-upper-case? (string-ref nstr idx)))
(set! nstr
(string-append (substring nstr 0 idx)
"-"
(substring nstr idx
(string-length nstr)))))))
nstr)
;; SCHEMEIFY-NAME:
;; * Changes _ to -
;; * Changes the first - to : if it is within the first 3 characters.
;; * inserts dashes between `StudlyCaps'
(define (schemeify-name pre name)
(define nstr (string-subst name "_" "-"))
(let ((sid (string-index nstr #\-)))
(cond ((and sid (< sid 3)) (string-set! nstr sid #\:)
nstr)
(pre (string-append pre (StudlyCaps->dashed-name nstr)))
(else (StudlyCaps->dashed-name nstr)))))
(define (extract-defineds port)
(define sharp (string #\newline #\#))
(define defineds '())
(do ((find? (find-string-from-port? sharp port)
(find-string-from-port? sharp port)))
((not find?) (reverse defineds))
(do ((chr (read-char port) (read-char port)))
((or (eof-object? chr) (not (char-whitespace? chr)))
(and (eqv? chr #\d)
(let ((op #f) (va #f))
(fscanf port "efine%*[ \t]%s%*[ \t]%s" op va)
(if (and op va
(not (string-index op #\())
(not (eqv? #\_ (string-ref op 0)))
(not (equal? "int" va)))
(set! defineds (cons op defineds)))))))))
(define (scm<-includes scmname pre non-local? . filenames)
(define tmpprog "tmpprog")
(call-with-output-file (string-append tmpprog ".c")
(lambda (cport)
(for-each (lambda (filename)
(fprintf cport
(if non-local?
"#include <%s>\\n"
"#include \"%s\"\\n")
filename))
filenames)
(for-each
(lambda (args) (apply fprintf cport args))
`(("#include <stdio.h>\\n")
("void pSl(sname, value)\\n")
(" char sname[];\\n")
(" int value;\\n")
("{\\n")
("%s\\n" " printf(\"(define %s %d)\\n\", sname, value);")
("}\\n")
("\\n")
("int main(argc, argv)\\n")
(" int argc;\\n")
(" char *argv[];\\n")
("{\\n")
))
(for-each
(lambda (filename)
(if non-local?
(set! filename (string-append non-local? filename)))
(fprintf cport "/* Extract #define values from %s */\\n" filename)
(fprintf cport "%s %s%s\\n"
" printf(\";;inc2scm extracted #define values from"
filename
"\\n\");")
(for-each
(lambda (name)
(fprintf cport "#ifdef %s\\n pSl(\"%s\", %s);\\n#endif\\n"
name (schemeify-name pre name) name))
(call-with-input-file filename extract-defineds)))
filenames)
(fprintf cport "}\\n")))
(cond
((not (zero? (system (sprintf #f "cc -o %s %s.c" tmpprog tmpprog)))))
((not (zero? (system (sprintf #f "./%s >> %s" tmpprog scmname)))))))
(define (scm<-usr/includes scmname . filenames)
(define pre (let ((first (car filenames)))
(cond ((substring-ci? ".h" first) #f)
(else (set! filenames (cdr filenames)) first))))
(define include-path "/usr/include/")
(let* ((first (car filenames)))
(cond ((memv (string-ref first (+ -1 (string-length first))) '(#\\ #\/))
(set! include-path first)
(set! filenames (cdr filenames)))))
(apply scm<-includes scmname pre include-path filenames)
(delete-file "tmpprog.c")
(delete-file "tmpprog"))
(define (scm<-h* scmname . filenames)
(define pre (let ((first (car filenames)))
(cond ((substring-ci? ".h" first) first)
(else (set! filenames (cdr filenames)) #f))))
(apply scm<-includes scmname pre #f filenames)
(delete-file "tmpprog.c")
(delete-file "tmpprog"))
(define h2scm scm<-h*)
;;; Local Variables:
;;; mode:scheme
;;; End:
(exit (inc2scm.script (list-tail *argv* *optind*)))
|
