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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 | 52 | #include "gram.h" |
a0f6b076 | 53 | #include "complain.h" |
54bd0db4 RS |
54 | |
55 | FILE *finput = NULL; | |
56 | FILE *foutput = NULL; | |
57 | FILE *fdefines = NULL; | |
58 | FILE *ftable = NULL; | |
59 | FILE *fattrs = NULL; | |
60 | FILE *fguard = NULL; | |
61 | FILE *faction = NULL; | |
62 | FILE *fparser = NULL; | |
63 | ||
64 | /* File name specified with -o for the output file, or 0 if no -o. */ | |
65 | char *spec_outfile; | |
66 | ||
67 | char *infile; | |
54bd0db4 | 68 | char *attrsfile; |
4a120d45 JT |
69 | |
70 | static char *outfile; | |
71 | static char *defsfile; | |
72 | static char *tabfile; | |
73 | static char *guardfile; | |
74 | static char *actfile; | |
75 | static char *tmpattrsfile; | |
76 | static char *tmptabfile; | |
77 | static char *tmpdefsfile; | |
54bd0db4 | 78 | |
28683c54 RS |
79 | extern int noparserflag; |
80 | ||
54bd0db4 RS |
81 | extern char *mktemp(); /* So the compiler won't complain */ |
82 | extern char *getenv(); | |
bd088c91 | 83 | |
4a120d45 JT |
84 | extern char *stringappend PARAMS((const char *, int, const char *)); |
85 | extern void openfiles PARAMS((void)); | |
86 | extern void open_extra_files PARAMS((void)); | |
87 | ||
88 | int fixed_outfiles = 0; | |
54bd0db4 RS |
89 | |
90 | extern char *program_name; | |
91 | extern int verboseflag; | |
92 | extern int definesflag; | |
54bd0db4 RS |
93 | \f |
94 | ||
bd088c91 | 95 | char * |
4a120d45 | 96 | stringappend (const char *string1, int end1, const char *string2) |
54bd0db4 RS |
97 | { |
98 | register char *ostring; | |
4a120d45 JT |
99 | register char *cp; |
100 | register const char *cp1; | |
54bd0db4 RS |
101 | register int i; |
102 | ||
4a120d45 JT |
103 | cp1 = string2; |
104 | i = 0; | |
105 | while (*cp1++) i++; | |
54bd0db4 RS |
106 | |
107 | ostring = NEW2(i+end1+1, char); | |
108 | ||
109 | cp = ostring; | |
110 | cp1 = string1; | |
111 | for (i = 0; i < end1; i++) | |
112 | *cp++ = *cp1++; | |
113 | ||
114 | cp1 = string2; | |
bd088c91 JT |
115 | while ((*cp++ = *cp1++)) |
116 | ; | |
54bd0db4 RS |
117 | |
118 | return ostring; | |
119 | } | |
120 | ||
cfe5fbc0 AD |
121 | /*-----------------------------------------------------------------. |
122 | | Try to open file NAME with mode MODE, and print an error message | | |
123 | | if fails. | | |
124 | `-----------------------------------------------------------------*/ | |
54bd0db4 | 125 | |
cfe5fbc0 | 126 | static FILE * |
4a120d45 | 127 | tryopen (const char *name, const char *mode) |
cfe5fbc0 AD |
128 | { |
129 | FILE *ptr; | |
130 | ||
131 | ptr = fopen (name, mode); | |
132 | if (!ptr) | |
133 | error (2, errno, _("cannot open file `%s'"), name); | |
134 | ||
135 | return ptr; | |
136 | } | |
137 | ||
138 | /*-------------------------------------------------------------. | |
139 | | Try to close file PTR, and print an error message if fails. | | |
140 | `-------------------------------------------------------------*/ | |
141 | ||
142 | static int | |
143 | tryclose (FILE *ptr) | |
144 | { | |
145 | int result; | |
146 | ||
147 | if (ptr == NULL) | |
148 | return 0; | |
149 | ||
150 | result = fclose (ptr); | |
151 | if (result == EOF) | |
152 | error (2, errno, _("cannot close file")); | |
153 | ||
154 | return result; | |
155 | } | |
156 | \f | |
54bd0db4 RS |
157 | /* JF this has been hacked to death. Nowaday it sets up the file names for |
158 | the output files, and opens the tmp files and the parser */ | |
159 | void | |
bd088c91 | 160 | openfiles (void) |
54bd0db4 RS |
161 | { |
162 | char *name_base; | |
a693bf18 | 163 | #ifdef MSDOS |
54bd0db4 | 164 | register char *cp; |
a693bf18 | 165 | #endif |
54bd0db4 RS |
166 | char *filename; |
167 | int base_length; | |
168 | int short_base_length; | |
169 | ||
fcca25ad | 170 | #if defined (VMS) & !defined (__VMS_POSIX) |
4a120d45 | 171 | const char *tmp_base = "sys$scratch:b_"; |
54bd0db4 | 172 | #else |
4a120d45 | 173 | const char *tmp_base = "/tmp/b."; |
54bd0db4 RS |
174 | #endif |
175 | int tmp_len; | |
176 | ||
177 | #ifdef MSDOS | |
178 | tmp_base = getenv ("TMP"); | |
179 | if (tmp_base == 0) | |
180 | tmp_base = ""; | |
181 | strlwr (infile); | |
182 | #endif /* MSDOS */ | |
183 | ||
e0672a61 RS |
184 | #if (defined(_WIN32) && !defined(__CYGWIN32__)) |
185 | tmp_base = getenv ("TEMP"); /* Windows95 defines this ... */ | |
186 | if (tmp_base == 0) | |
187 | tmp_base = getenv ("Temp"); /* ... while NT prefers this */ | |
188 | if (tmp_base == 0) | |
189 | tmp_base = ""; | |
190 | strlwr (infile); | |
191 | #endif /* _WIN32 && !__CYGWIN32__ */ | |
192 | ||
5191ef24 | 193 | #if (defined(unix) || defined(__unix) || defined(__unix__) || defined(__EMX__)) |
bd088c91 JT |
194 | { |
195 | char *tmp_ptr = getenv("TMPDIR"); | |
196 | ||
197 | if (tmp_ptr != 0) | |
198 | tmp_base = stringappend (tmp_ptr, strlen (tmp_ptr), "/b."); | |
199 | } | |
200 | #endif /* unix || __unix || __unix__ */ | |
201 | ||
54bd0db4 RS |
202 | tmp_len = strlen (tmp_base); |
203 | ||
204 | if (spec_outfile) | |
205 | { | |
206 | /* -o was specified. The precise -o name will be used for ftable. | |
207 | For other output files, remove the ".c" or ".tab.c" suffix. */ | |
208 | name_base = spec_outfile; | |
209 | #ifdef MSDOS | |
210 | strlwr (name_base); | |
211 | #endif /* MSDOS */ | |
212 | /* BASE_LENGTH includes ".tab" but not ".c". */ | |
213 | base_length = strlen (name_base); | |
214 | if (!strcmp (name_base + base_length - 2, ".c")) | |
215 | base_length -= 2; | |
216 | /* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */ | |
217 | short_base_length = base_length; | |
218 | if (!strncmp (name_base + short_base_length - 4, ".tab", 4)) | |
219 | short_base_length -= 4; | |
220 | else if (!strncmp (name_base + short_base_length - 4, "_tab", 4)) | |
221 | short_base_length -= 4; | |
222 | } | |
223 | else if (spec_file_prefix) | |
224 | { | |
225 | /* -b was specified. Construct names from it. */ | |
226 | /* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */ | |
227 | short_base_length = strlen (spec_file_prefix); | |
228 | /* Count room for `.tab'. */ | |
229 | base_length = short_base_length + 4; | |
40675e7c | 230 | name_base = (char *) xmalloc (base_length + 1); |
54bd0db4 RS |
231 | /* Append `.tab'. */ |
232 | strcpy (name_base, spec_file_prefix); | |
233 | #ifdef VMS | |
234 | strcat (name_base, "_tab"); | |
235 | #else | |
236 | strcat (name_base, ".tab"); | |
237 | #endif | |
238 | #ifdef MSDOS | |
239 | strlwr (name_base); | |
240 | #endif /* MSDOS */ | |
241 | } | |
242 | else | |
243 | { | |
244 | /* -o was not specified; compute output file name from input | |
245 | or use y.tab.c, etc., if -y was specified. */ | |
246 | ||
4a120d45 JT |
247 | static char FIXED_NAME_BASE[] = "y.y"; |
248 | ||
249 | name_base = fixed_outfiles ? FIXED_NAME_BASE : infile; | |
54bd0db4 RS |
250 | |
251 | /* BASE_LENGTH gets length of NAME_BASE, sans ".y" suffix if any. */ | |
252 | ||
253 | base_length = strlen (name_base); | |
254 | if (!strcmp (name_base + base_length - 2, ".y")) | |
255 | base_length -= 2; | |
256 | short_base_length = base_length; | |
257 | ||
258 | #ifdef VMS | |
259 | name_base = stringappend(name_base, short_base_length, "_tab"); | |
260 | #else | |
261 | #ifdef MSDOS | |
262 | name_base = stringappend(name_base, short_base_length, "_tab"); | |
263 | #else | |
264 | name_base = stringappend(name_base, short_base_length, ".tab"); | |
265 | #endif /* not MSDOS */ | |
266 | #endif | |
267 | base_length = short_base_length + 4; | |
268 | } | |
269 | ||
270 | finput = tryopen(infile, "r"); | |
271 | ||
a0f6b076 | 272 | if (! noparserflag) |
54bd0db4 | 273 | { |
28683c54 RS |
274 | filename = getenv("BISON_SIMPLE"); |
275 | #ifdef MSDOS | |
276 | /* File doesn't exist in current directory; try in INIT directory. */ | |
277 | cp = getenv("INIT"); | |
278 | if (filename == 0 && cp != NULL) | |
279 | { | |
280 | filename = xmalloc(strlen(cp) + strlen(PFILE) + 2); | |
281 | strcpy(filename, cp); | |
282 | cp = filename + strlen(filename); | |
283 | *cp++ = '/'; | |
284 | strcpy(cp, PFILE); | |
285 | } | |
54bd0db4 | 286 | #endif /* MSDOS */ |
28683c54 RS |
287 | fparser = tryopen(filename ? filename : PFILE, "r"); |
288 | } | |
54bd0db4 RS |
289 | |
290 | if (verboseflag) | |
291 | { | |
292 | #ifdef MSDOS | |
293 | outfile = stringappend(name_base, short_base_length, ".out"); | |
294 | #else | |
295 | /* We used to use just .out if spec_name_prefix (-p) was used, | |
296 | but that conflicts with Posix. */ | |
297 | outfile = stringappend(name_base, short_base_length, ".output"); | |
298 | #endif | |
299 | foutput = tryopen(outfile, "w"); | |
300 | } | |
301 | ||
28683c54 RS |
302 | if (noparserflag) |
303 | { | |
304 | /* use permanent name for actions file */ | |
305 | actfile = stringappend(name_base, short_base_length, ".act"); | |
306 | faction = tryopen(actfile, "w"); | |
a0f6b076 | 307 | } |
28683c54 | 308 | |
54bd0db4 | 309 | #ifdef MSDOS |
28683c54 RS |
310 | if (! noparserflag) |
311 | actfile = mktemp(stringappend(tmp_base, tmp_len, "acXXXXXX")); | |
54bd0db4 RS |
312 | tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "atXXXXXX")); |
313 | tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "taXXXXXX")); | |
314 | tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "deXXXXXX")); | |
315 | #else | |
28683c54 RS |
316 | if (! noparserflag) |
317 | actfile = mktemp(stringappend(tmp_base, tmp_len, "act.XXXXXX")); | |
54bd0db4 RS |
318 | tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "attrs.XXXXXX")); |
319 | tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "tab.XXXXXX")); | |
320 | tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "defs.XXXXXX")); | |
321 | #endif /* not MSDOS */ | |
322 | ||
28683c54 RS |
323 | if (! noparserflag) |
324 | faction = tryopen(actfile, "w+"); | |
54bd0db4 RS |
325 | fattrs = tryopen(tmpattrsfile,"w+"); |
326 | ftable = tryopen(tmptabfile, "w+"); | |
327 | ||
328 | if (definesflag) | |
329 | { | |
330 | defsfile = stringappend(name_base, base_length, ".h"); | |
331 | fdefines = tryopen(tmpdefsfile, "w+"); | |
332 | } | |
333 | ||
e0672a61 | 334 | #if !(defined (MSDOS) || (defined(_WIN32) && !defined(__CYGWIN32__))) |
28683c54 RS |
335 | if (! noparserflag) |
336 | unlink(actfile); | |
54bd0db4 RS |
337 | unlink(tmpattrsfile); |
338 | unlink(tmptabfile); | |
339 | unlink(tmpdefsfile); | |
e0672a61 | 340 | #endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */ |
54bd0db4 RS |
341 | |
342 | /* These are opened by `done' or `open_extra_files', if at all */ | |
343 | if (spec_outfile) | |
344 | tabfile = spec_outfile; | |
345 | else | |
346 | tabfile = stringappend(name_base, base_length, ".c"); | |
347 | ||
348 | #ifdef VMS | |
349 | attrsfile = stringappend(name_base, short_base_length, "_stype.h"); | |
350 | guardfile = stringappend(name_base, short_base_length, "_guard.c"); | |
351 | #else | |
352 | #ifdef MSDOS | |
353 | attrsfile = stringappend(name_base, short_base_length, ".sth"); | |
354 | guardfile = stringappend(name_base, short_base_length, ".guc"); | |
355 | #else | |
356 | attrsfile = stringappend(name_base, short_base_length, ".stype.h"); | |
357 | guardfile = stringappend(name_base, short_base_length, ".guard.c"); | |
358 | #endif /* not MSDOS */ | |
359 | #endif /* not VMS */ | |
360 | } | |
361 | ||
362 | ||
363 | ||
0d533154 AD |
364 | /*--------------------------------------------------------------------. |
365 | | Open the output files needed only for the semantic parser. This | | |
366 | | is done when %semantic_parser is seen in the declarations section. | | |
367 | `--------------------------------------------------------------------*/ | |
54bd0db4 RS |
368 | |
369 | void | |
bd088c91 | 370 | open_extra_files (void) |
54bd0db4 RS |
371 | { |
372 | FILE *ftmp; | |
373 | int c; | |
a693bf18 JT |
374 | char *filename; |
375 | #ifdef MSDOS | |
376 | char *cp; | |
377 | #endif | |
54bd0db4 | 378 | |
a693bf18 | 379 | tryclose(fparser); |
54bd0db4 | 380 | |
a0f6b076 | 381 | if (! noparserflag) |
54bd0db4 | 382 | { |
28683c54 RS |
383 | filename = (char *) getenv ("BISON_HAIRY"); |
384 | #ifdef MSDOS | |
385 | /* File doesn't exist in current directory; try in INIT directory. */ | |
386 | cp = getenv("INIT"); | |
387 | if (filename == 0 && cp != NULL) | |
388 | { | |
389 | filename = xmalloc(strlen(cp) + strlen(PFILE1) + 2); | |
390 | strcpy(filename, cp); | |
391 | cp = filename + strlen(filename); | |
392 | *cp++ = '/'; | |
393 | strcpy(cp, PFILE1); | |
394 | } | |
54bd0db4 | 395 | #endif |
28683c54 RS |
396 | fparser= tryopen(filename ? filename : PFILE1, "r"); |
397 | } | |
54bd0db4 RS |
398 | |
399 | /* JF change from inline attrs file to separate one */ | |
400 | ftmp = tryopen(attrsfile, "w"); | |
401 | rewind(fattrs); | |
402 | while((c=getc(fattrs))!=EOF) /* Thank god for buffering */ | |
403 | putc(c,ftmp); | |
a693bf18 | 404 | tryclose(fattrs); |
54bd0db4 RS |
405 | fattrs=ftmp; |
406 | ||
407 | fguard = tryopen(guardfile, "w"); | |
408 | ||
409 | } | |
410 | ||
a693bf18 | 411 | void |
a0f6b076 | 412 | done (void) |
a693bf18 JT |
413 | { |
414 | tryclose(faction); | |
415 | tryclose(fattrs); | |
416 | tryclose(fguard); | |
417 | tryclose(finput); | |
418 | tryclose(fparser); | |
419 | tryclose(foutput); | |
54bd0db4 | 420 | |
a0f6b076 AD |
421 | /* JF write out the output file */ |
422 | if (!complain_message_count && ftable) | |
54bd0db4 RS |
423 | { |
424 | FILE *ftmp; | |
425 | register int c; | |
426 | ||
427 | ftmp=tryopen(tabfile, "w"); | |
428 | rewind(ftable); | |
429 | while((c=getc(ftable)) != EOF) | |
430 | putc(c,ftmp); | |
a693bf18 JT |
431 | tryclose(ftmp); |
432 | tryclose(ftable); | |
54bd0db4 RS |
433 | |
434 | if (definesflag) | |
435 | { | |
436 | ftmp = tryopen(defsfile, "w"); | |
437 | fflush(fdefines); | |
438 | rewind(fdefines); | |
439 | while((c=getc(fdefines)) != EOF) | |
440 | putc(c,ftmp); | |
a693bf18 JT |
441 | tryclose(ftmp); |
442 | tryclose(fdefines); | |
54bd0db4 RS |
443 | } |
444 | } | |
445 | ||
fcca25ad | 446 | #if defined (VMS) & !defined (__VMS_POSIX) |
28683c54 | 447 | if (faction && ! noparserflag) |
54bd0db4 RS |
448 | delete(actfile); |
449 | if (fattrs) | |
450 | delete(tmpattrsfile); | |
451 | if (ftable) | |
452 | delete(tmptabfile); | |
a0f6b076 AD |
453 | /* Don't call exit again, we're in atexit (). |
454 | if (!complain_message_count) | |
455 | sys$exit(SS$_NORMAL); | |
456 | sys$exit(SS$_ABORT); */ | |
54bd0db4 | 457 | #else |
e0672a61 | 458 | #if (defined (MSDOS) || (defined(_WIN32) && !defined(__CYGWIN32__))) |
28683c54 | 459 | if (actfile && ! noparserflag) unlink(actfile); |
54bd0db4 RS |
460 | if (tmpattrsfile) unlink(tmpattrsfile); |
461 | if (tmptabfile) unlink(tmptabfile); | |
462 | if (tmpdefsfile) unlink(tmpdefsfile); | |
e0672a61 | 463 | #endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */ |
a0f6b076 AD |
464 | /* Don't call exit again, we're in atexit (). |
465 | exit (complain_message_count ? 1 : 0); */ | |
fcca25ad | 466 | #endif /* not VMS, or __VMS_POSIX */ |
54bd0db4 | 467 | } |