]>
Commit | Line | Data |
---|---|---|
54bd0db4 | 1 | /* Open and close files for bison, |
28683c54 | 2 | Copyright (C) 1984, 1986, 1989, 1992 Free Software Foundation, Inc. |
54bd0db4 RS |
3 | |
4 | This file is part of Bison, the GNU Compiler Compiler. | |
5 | ||
6 | Bison is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | Bison is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with Bison; see the file COPYING. If not, write to | |
c49a8e71 JT |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
54bd0db4 RS |
20 | |
21 | ||
9eceb6c6 JT |
22 | #include "system.h" |
23 | ||
fcca25ad | 24 | #if defined (VMS) & !defined (__VMS_POSIX) |
54bd0db4 RS |
25 | #include <ssdef.h> |
26 | #define unlink delete | |
27 | #ifndef XPFILE | |
28 | #define XPFILE "GNU_BISON:[000000]BISON.SIMPLE" | |
29 | #endif | |
30 | #ifndef XPFILE1 | |
31 | #define XPFILE1 "GNU_BISON:[000000]BISON.HAIRY" | |
32 | #endif | |
33 | #endif | |
34 | ||
6a5705cf RS |
35 | #if defined (_MSC_VER) |
36 | #ifndef XPFILE | |
37 | #define XPFILE "c:/usr/local/lib/bison.simple" | |
38 | #endif | |
39 | #ifndef XPFILE1 | |
40 | #define XPFILE1 "c:/usr/local/lib/bison.hairy" | |
41 | #endif | |
42 | #endif | |
43 | ||
54bd0db4 | 44 | #include <stdio.h> |
dad49092 JT |
45 | |
46 | #ifdef HAVE_UNISTD_H | |
47 | #include <unistd.h> | |
48 | #endif | |
49 | ||
54bd0db4 | 50 | #include "files.h" |
7612000c | 51 | #include "alloc.h" |
54bd0db4 RS |
52 | #include "gram.h" |
53 | ||
54 | FILE *finput = NULL; | |
55 | FILE *foutput = NULL; | |
56 | FILE *fdefines = NULL; | |
57 | FILE *ftable = NULL; | |
58 | FILE *fattrs = NULL; | |
59 | FILE *fguard = NULL; | |
60 | FILE *faction = NULL; | |
61 | FILE *fparser = NULL; | |
62 | ||
63 | /* File name specified with -o for the output file, or 0 if no -o. */ | |
64 | char *spec_outfile; | |
65 | ||
66 | char *infile; | |
67 | char *outfile; | |
68 | char *defsfile; | |
69 | char *tabfile; | |
70 | char *attrsfile; | |
71 | char *guardfile; | |
72 | char *actfile; | |
73 | char *tmpattrsfile; | |
74 | char *tmptabfile; | |
75 | char *tmpdefsfile; | |
76 | ||
28683c54 RS |
77 | extern int noparserflag; |
78 | ||
54bd0db4 RS |
79 | extern char *mktemp(); /* So the compiler won't complain */ |
80 | extern char *getenv(); | |
81 | extern void perror(); | |
bd088c91 JT |
82 | |
83 | char *stringappend PARAMS((char *, int, char *)); | |
84 | void openfiles PARAMS((void)); | |
85 | void open_extra_files PARAMS((void)); | |
86 | FILE *tryopen PARAMS((char *, char *)); /* This might be a good idea */ | |
a693bf18 | 87 | int tryclose PARAMS((FILE *)); |
bd088c91 | 88 | void done PARAMS((int)); |
54bd0db4 RS |
89 | |
90 | extern char *program_name; | |
91 | extern int verboseflag; | |
92 | extern int definesflag; | |
93 | int fixed_outfiles = 0; | |
94 | \f | |
95 | ||
bd088c91 JT |
96 | char * |
97 | stringappend (char *string1, int end1, char *string2) | |
54bd0db4 RS |
98 | { |
99 | register char *ostring; | |
100 | register char *cp, *cp1; | |
101 | register int i; | |
102 | ||
103 | cp = string2; i = 0; | |
104 | while (*cp++) i++; | |
105 | ||
106 | ostring = NEW2(i+end1+1, char); | |
107 | ||
108 | cp = ostring; | |
109 | cp1 = string1; | |
110 | for (i = 0; i < end1; i++) | |
111 | *cp++ = *cp1++; | |
112 | ||
113 | cp1 = string2; | |
bd088c91 JT |
114 | while ((*cp++ = *cp1++)) |
115 | ; | |
54bd0db4 RS |
116 | |
117 | return ostring; | |
118 | } | |
119 | ||
120 | ||
121 | /* JF this has been hacked to death. Nowaday it sets up the file names for | |
122 | the output files, and opens the tmp files and the parser */ | |
123 | void | |
bd088c91 | 124 | openfiles (void) |
54bd0db4 RS |
125 | { |
126 | char *name_base; | |
a693bf18 | 127 | #ifdef MSDOS |
54bd0db4 | 128 | register char *cp; |
a693bf18 | 129 | #endif |
54bd0db4 RS |
130 | char *filename; |
131 | int base_length; | |
132 | int short_base_length; | |
133 | ||
fcca25ad | 134 | #if defined (VMS) & !defined (__VMS_POSIX) |
54bd0db4 RS |
135 | char *tmp_base = "sys$scratch:b_"; |
136 | #else | |
137 | char *tmp_base = "/tmp/b."; | |
138 | #endif | |
139 | int tmp_len; | |
140 | ||
141 | #ifdef MSDOS | |
142 | tmp_base = getenv ("TMP"); | |
143 | if (tmp_base == 0) | |
144 | tmp_base = ""; | |
145 | strlwr (infile); | |
146 | #endif /* MSDOS */ | |
147 | ||
e0672a61 RS |
148 | #if (defined(_WIN32) && !defined(__CYGWIN32__)) |
149 | tmp_base = getenv ("TEMP"); /* Windows95 defines this ... */ | |
150 | if (tmp_base == 0) | |
151 | tmp_base = getenv ("Temp"); /* ... while NT prefers this */ | |
152 | if (tmp_base == 0) | |
153 | tmp_base = ""; | |
154 | strlwr (infile); | |
155 | #endif /* _WIN32 && !__CYGWIN32__ */ | |
156 | ||
5191ef24 | 157 | #if (defined(unix) || defined(__unix) || defined(__unix__) || defined(__EMX__)) |
bd088c91 JT |
158 | { |
159 | char *tmp_ptr = getenv("TMPDIR"); | |
160 | ||
161 | if (tmp_ptr != 0) | |
162 | tmp_base = stringappend (tmp_ptr, strlen (tmp_ptr), "/b."); | |
163 | } | |
164 | #endif /* unix || __unix || __unix__ */ | |
165 | ||
54bd0db4 RS |
166 | tmp_len = strlen (tmp_base); |
167 | ||
168 | if (spec_outfile) | |
169 | { | |
170 | /* -o was specified. The precise -o name will be used for ftable. | |
171 | For other output files, remove the ".c" or ".tab.c" suffix. */ | |
172 | name_base = spec_outfile; | |
173 | #ifdef MSDOS | |
174 | strlwr (name_base); | |
175 | #endif /* MSDOS */ | |
176 | /* BASE_LENGTH includes ".tab" but not ".c". */ | |
177 | base_length = strlen (name_base); | |
178 | if (!strcmp (name_base + base_length - 2, ".c")) | |
179 | base_length -= 2; | |
180 | /* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */ | |
181 | short_base_length = base_length; | |
182 | if (!strncmp (name_base + short_base_length - 4, ".tab", 4)) | |
183 | short_base_length -= 4; | |
184 | else if (!strncmp (name_base + short_base_length - 4, "_tab", 4)) | |
185 | short_base_length -= 4; | |
186 | } | |
187 | else if (spec_file_prefix) | |
188 | { | |
189 | /* -b was specified. Construct names from it. */ | |
190 | /* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */ | |
191 | short_base_length = strlen (spec_file_prefix); | |
192 | /* Count room for `.tab'. */ | |
193 | base_length = short_base_length + 4; | |
40675e7c | 194 | name_base = (char *) xmalloc (base_length + 1); |
54bd0db4 RS |
195 | /* Append `.tab'. */ |
196 | strcpy (name_base, spec_file_prefix); | |
197 | #ifdef VMS | |
198 | strcat (name_base, "_tab"); | |
199 | #else | |
200 | strcat (name_base, ".tab"); | |
201 | #endif | |
202 | #ifdef MSDOS | |
203 | strlwr (name_base); | |
204 | #endif /* MSDOS */ | |
205 | } | |
206 | else | |
207 | { | |
208 | /* -o was not specified; compute output file name from input | |
209 | or use y.tab.c, etc., if -y was specified. */ | |
210 | ||
211 | name_base = fixed_outfiles ? "y.y" : infile; | |
212 | ||
213 | /* BASE_LENGTH gets length of NAME_BASE, sans ".y" suffix if any. */ | |
214 | ||
215 | base_length = strlen (name_base); | |
216 | if (!strcmp (name_base + base_length - 2, ".y")) | |
217 | base_length -= 2; | |
218 | short_base_length = base_length; | |
219 | ||
220 | #ifdef VMS | |
221 | name_base = stringappend(name_base, short_base_length, "_tab"); | |
222 | #else | |
223 | #ifdef MSDOS | |
224 | name_base = stringappend(name_base, short_base_length, "_tab"); | |
225 | #else | |
226 | name_base = stringappend(name_base, short_base_length, ".tab"); | |
227 | #endif /* not MSDOS */ | |
228 | #endif | |
229 | base_length = short_base_length + 4; | |
230 | } | |
231 | ||
232 | finput = tryopen(infile, "r"); | |
233 | ||
28683c54 | 234 | if (! noparserflag) |
54bd0db4 | 235 | { |
28683c54 RS |
236 | filename = getenv("BISON_SIMPLE"); |
237 | #ifdef MSDOS | |
238 | /* File doesn't exist in current directory; try in INIT directory. */ | |
239 | cp = getenv("INIT"); | |
240 | if (filename == 0 && cp != NULL) | |
241 | { | |
242 | filename = xmalloc(strlen(cp) + strlen(PFILE) + 2); | |
243 | strcpy(filename, cp); | |
244 | cp = filename + strlen(filename); | |
245 | *cp++ = '/'; | |
246 | strcpy(cp, PFILE); | |
247 | } | |
54bd0db4 | 248 | #endif /* MSDOS */ |
28683c54 RS |
249 | fparser = tryopen(filename ? filename : PFILE, "r"); |
250 | } | |
54bd0db4 RS |
251 | |
252 | if (verboseflag) | |
253 | { | |
254 | #ifdef MSDOS | |
255 | outfile = stringappend(name_base, short_base_length, ".out"); | |
256 | #else | |
257 | /* We used to use just .out if spec_name_prefix (-p) was used, | |
258 | but that conflicts with Posix. */ | |
259 | outfile = stringappend(name_base, short_base_length, ".output"); | |
260 | #endif | |
261 | foutput = tryopen(outfile, "w"); | |
262 | } | |
263 | ||
28683c54 RS |
264 | if (noparserflag) |
265 | { | |
266 | /* use permanent name for actions file */ | |
267 | actfile = stringappend(name_base, short_base_length, ".act"); | |
268 | faction = tryopen(actfile, "w"); | |
269 | } | |
270 | ||
54bd0db4 | 271 | #ifdef MSDOS |
28683c54 RS |
272 | if (! noparserflag) |
273 | actfile = mktemp(stringappend(tmp_base, tmp_len, "acXXXXXX")); | |
54bd0db4 RS |
274 | tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "atXXXXXX")); |
275 | tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "taXXXXXX")); | |
276 | tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "deXXXXXX")); | |
277 | #else | |
28683c54 RS |
278 | if (! noparserflag) |
279 | actfile = mktemp(stringappend(tmp_base, tmp_len, "act.XXXXXX")); | |
54bd0db4 RS |
280 | tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "attrs.XXXXXX")); |
281 | tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "tab.XXXXXX")); | |
282 | tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "defs.XXXXXX")); | |
283 | #endif /* not MSDOS */ | |
284 | ||
28683c54 RS |
285 | if (! noparserflag) |
286 | faction = tryopen(actfile, "w+"); | |
54bd0db4 RS |
287 | fattrs = tryopen(tmpattrsfile,"w+"); |
288 | ftable = tryopen(tmptabfile, "w+"); | |
289 | ||
290 | if (definesflag) | |
291 | { | |
292 | defsfile = stringappend(name_base, base_length, ".h"); | |
293 | fdefines = tryopen(tmpdefsfile, "w+"); | |
294 | } | |
295 | ||
e0672a61 | 296 | #if !(defined (MSDOS) || (defined(_WIN32) && !defined(__CYGWIN32__))) |
28683c54 RS |
297 | if (! noparserflag) |
298 | unlink(actfile); | |
54bd0db4 RS |
299 | unlink(tmpattrsfile); |
300 | unlink(tmptabfile); | |
301 | unlink(tmpdefsfile); | |
e0672a61 | 302 | #endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */ |
54bd0db4 RS |
303 | |
304 | /* These are opened by `done' or `open_extra_files', if at all */ | |
305 | if (spec_outfile) | |
306 | tabfile = spec_outfile; | |
307 | else | |
308 | tabfile = stringappend(name_base, base_length, ".c"); | |
309 | ||
310 | #ifdef VMS | |
311 | attrsfile = stringappend(name_base, short_base_length, "_stype.h"); | |
312 | guardfile = stringappend(name_base, short_base_length, "_guard.c"); | |
313 | #else | |
314 | #ifdef MSDOS | |
315 | attrsfile = stringappend(name_base, short_base_length, ".sth"); | |
316 | guardfile = stringappend(name_base, short_base_length, ".guc"); | |
317 | #else | |
318 | attrsfile = stringappend(name_base, short_base_length, ".stype.h"); | |
319 | guardfile = stringappend(name_base, short_base_length, ".guard.c"); | |
320 | #endif /* not MSDOS */ | |
321 | #endif /* not VMS */ | |
322 | } | |
323 | ||
324 | ||
325 | ||
326 | /* open the output files needed only for the semantic parser. | |
327 | This is done when %semantic_parser is seen in the declarations section. */ | |
328 | ||
329 | void | |
bd088c91 | 330 | open_extra_files (void) |
54bd0db4 RS |
331 | { |
332 | FILE *ftmp; | |
333 | int c; | |
a693bf18 JT |
334 | char *filename; |
335 | #ifdef MSDOS | |
336 | char *cp; | |
337 | #endif | |
54bd0db4 | 338 | |
a693bf18 | 339 | tryclose(fparser); |
54bd0db4 | 340 | |
28683c54 | 341 | if (! noparserflag) |
54bd0db4 | 342 | { |
28683c54 RS |
343 | filename = (char *) getenv ("BISON_HAIRY"); |
344 | #ifdef MSDOS | |
345 | /* File doesn't exist in current directory; try in INIT directory. */ | |
346 | cp = getenv("INIT"); | |
347 | if (filename == 0 && cp != NULL) | |
348 | { | |
349 | filename = xmalloc(strlen(cp) + strlen(PFILE1) + 2); | |
350 | strcpy(filename, cp); | |
351 | cp = filename + strlen(filename); | |
352 | *cp++ = '/'; | |
353 | strcpy(cp, PFILE1); | |
354 | } | |
54bd0db4 | 355 | #endif |
28683c54 RS |
356 | fparser= tryopen(filename ? filename : PFILE1, "r"); |
357 | } | |
54bd0db4 RS |
358 | |
359 | /* JF change from inline attrs file to separate one */ | |
360 | ftmp = tryopen(attrsfile, "w"); | |
361 | rewind(fattrs); | |
362 | while((c=getc(fattrs))!=EOF) /* Thank god for buffering */ | |
363 | putc(c,ftmp); | |
a693bf18 | 364 | tryclose(fattrs); |
54bd0db4 RS |
365 | fattrs=ftmp; |
366 | ||
367 | fguard = tryopen(guardfile, "w"); | |
368 | ||
369 | } | |
370 | ||
371 | /* JF to make file opening easier. This func tries to open file | |
372 | NAME with mode MODE, and prints an error message if it fails. */ | |
373 | FILE * | |
bd088c91 | 374 | tryopen (char *name, char *mode) |
54bd0db4 RS |
375 | { |
376 | FILE *ptr; | |
377 | ||
378 | ptr = fopen(name, mode); | |
379 | if (ptr == NULL) | |
380 | { | |
381 | fprintf(stderr, "%s: ", program_name); | |
382 | perror(name); | |
383 | done(2); | |
384 | } | |
385 | return ptr; | |
386 | } | |
387 | ||
a693bf18 JT |
388 | int |
389 | tryclose (FILE *ptr) | |
54bd0db4 | 390 | { |
a693bf18 | 391 | int result; |
54bd0db4 | 392 | |
a693bf18 JT |
393 | if (ptr == NULL) |
394 | return 0; | |
54bd0db4 | 395 | |
a693bf18 JT |
396 | result = fclose (ptr); |
397 | if (result == EOF) | |
398 | { | |
399 | fprintf (stderr, "%s: ", program_name); | |
400 | perror ("fclose"); | |
401 | done (2); | |
402 | } | |
403 | return result; | |
404 | } | |
54bd0db4 | 405 | |
a693bf18 JT |
406 | void |
407 | done (int k) | |
408 | { | |
409 | tryclose(faction); | |
410 | tryclose(fattrs); | |
411 | tryclose(fguard); | |
412 | tryclose(finput); | |
413 | tryclose(fparser); | |
414 | tryclose(foutput); | |
54bd0db4 RS |
415 | |
416 | /* JF write out the output file */ | |
417 | if (k == 0 && ftable) | |
418 | { | |
419 | FILE *ftmp; | |
420 | register int c; | |
421 | ||
422 | ftmp=tryopen(tabfile, "w"); | |
423 | rewind(ftable); | |
424 | while((c=getc(ftable)) != EOF) | |
425 | putc(c,ftmp); | |
a693bf18 JT |
426 | tryclose(ftmp); |
427 | tryclose(ftable); | |
54bd0db4 RS |
428 | |
429 | if (definesflag) | |
430 | { | |
431 | ftmp = tryopen(defsfile, "w"); | |
432 | fflush(fdefines); | |
433 | rewind(fdefines); | |
434 | while((c=getc(fdefines)) != EOF) | |
435 | putc(c,ftmp); | |
a693bf18 JT |
436 | tryclose(ftmp); |
437 | tryclose(fdefines); | |
54bd0db4 RS |
438 | } |
439 | } | |
440 | ||
fcca25ad | 441 | #if defined (VMS) & !defined (__VMS_POSIX) |
28683c54 | 442 | if (faction && ! noparserflag) |
54bd0db4 RS |
443 | delete(actfile); |
444 | if (fattrs) | |
445 | delete(tmpattrsfile); | |
446 | if (ftable) | |
447 | delete(tmptabfile); | |
448 | if (k==0) sys$exit(SS$_NORMAL); | |
449 | sys$exit(SS$_ABORT); | |
450 | #else | |
e0672a61 | 451 | #if (defined (MSDOS) || (defined(_WIN32) && !defined(__CYGWIN32__))) |
28683c54 | 452 | if (actfile && ! noparserflag) unlink(actfile); |
54bd0db4 RS |
453 | if (tmpattrsfile) unlink(tmpattrsfile); |
454 | if (tmptabfile) unlink(tmptabfile); | |
455 | if (tmpdefsfile) unlink(tmpdefsfile); | |
e0672a61 | 456 | #endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */ |
54bd0db4 | 457 | exit(k); |
fcca25ad | 458 | #endif /* not VMS, or __VMS_POSIX */ |
54bd0db4 | 459 | } |