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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 | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | ||
fcca25ad | 21 | #if defined (VMS) & !defined (__VMS_POSIX) |
54bd0db4 RS |
22 | #include <ssdef.h> |
23 | #define unlink delete | |
24 | #ifndef XPFILE | |
25 | #define XPFILE "GNU_BISON:[000000]BISON.SIMPLE" | |
26 | #endif | |
27 | #ifndef XPFILE1 | |
28 | #define XPFILE1 "GNU_BISON:[000000]BISON.HAIRY" | |
29 | #endif | |
30 | #endif | |
31 | ||
6a5705cf RS |
32 | #if defined (_MSC_VER) |
33 | #ifndef XPFILE | |
34 | #define XPFILE "c:/usr/local/lib/bison.simple" | |
35 | #endif | |
36 | #ifndef XPFILE1 | |
37 | #define XPFILE1 "c:/usr/local/lib/bison.hairy" | |
38 | #endif | |
39 | #endif | |
40 | ||
54bd0db4 RS |
41 | #include <stdio.h> |
42 | #include "system.h" | |
43 | #include "files.h" | |
7612000c | 44 | #include "alloc.h" |
54bd0db4 RS |
45 | #include "gram.h" |
46 | ||
47 | FILE *finput = NULL; | |
48 | FILE *foutput = NULL; | |
49 | FILE *fdefines = NULL; | |
50 | FILE *ftable = NULL; | |
51 | FILE *fattrs = NULL; | |
52 | FILE *fguard = NULL; | |
53 | FILE *faction = NULL; | |
54 | FILE *fparser = NULL; | |
55 | ||
56 | /* File name specified with -o for the output file, or 0 if no -o. */ | |
57 | char *spec_outfile; | |
58 | ||
59 | char *infile; | |
60 | char *outfile; | |
61 | char *defsfile; | |
62 | char *tabfile; | |
63 | char *attrsfile; | |
64 | char *guardfile; | |
65 | char *actfile; | |
66 | char *tmpattrsfile; | |
67 | char *tmptabfile; | |
68 | char *tmpdefsfile; | |
69 | ||
28683c54 RS |
70 | extern int noparserflag; |
71 | ||
54bd0db4 RS |
72 | extern char *mktemp(); /* So the compiler won't complain */ |
73 | extern char *getenv(); | |
74 | extern void perror(); | |
bd088c91 JT |
75 | |
76 | char *stringappend PARAMS((char *, int, char *)); | |
77 | void openfiles PARAMS((void)); | |
78 | void open_extra_files PARAMS((void)); | |
79 | FILE *tryopen PARAMS((char *, char *)); /* This might be a good idea */ | |
80 | void done PARAMS((int)); | |
54bd0db4 RS |
81 | |
82 | extern char *program_name; | |
83 | extern int verboseflag; | |
84 | extern int definesflag; | |
85 | int fixed_outfiles = 0; | |
86 | \f | |
87 | ||
bd088c91 JT |
88 | char * |
89 | stringappend (char *string1, int end1, char *string2) | |
54bd0db4 RS |
90 | { |
91 | register char *ostring; | |
92 | register char *cp, *cp1; | |
93 | register int i; | |
94 | ||
95 | cp = string2; i = 0; | |
96 | while (*cp++) i++; | |
97 | ||
98 | ostring = NEW2(i+end1+1, char); | |
99 | ||
100 | cp = ostring; | |
101 | cp1 = string1; | |
102 | for (i = 0; i < end1; i++) | |
103 | *cp++ = *cp1++; | |
104 | ||
105 | cp1 = string2; | |
bd088c91 JT |
106 | while ((*cp++ = *cp1++)) |
107 | ; | |
54bd0db4 RS |
108 | |
109 | return ostring; | |
110 | } | |
111 | ||
112 | ||
113 | /* JF this has been hacked to death. Nowaday it sets up the file names for | |
114 | the output files, and opens the tmp files and the parser */ | |
115 | void | |
bd088c91 | 116 | openfiles (void) |
54bd0db4 RS |
117 | { |
118 | char *name_base; | |
119 | register char *cp; | |
120 | char *filename; | |
121 | int base_length; | |
122 | int short_base_length; | |
123 | ||
fcca25ad | 124 | #if defined (VMS) & !defined (__VMS_POSIX) |
54bd0db4 RS |
125 | char *tmp_base = "sys$scratch:b_"; |
126 | #else | |
127 | char *tmp_base = "/tmp/b."; | |
128 | #endif | |
129 | int tmp_len; | |
130 | ||
131 | #ifdef MSDOS | |
132 | tmp_base = getenv ("TMP"); | |
133 | if (tmp_base == 0) | |
134 | tmp_base = ""; | |
135 | strlwr (infile); | |
136 | #endif /* MSDOS */ | |
137 | ||
e0672a61 RS |
138 | #if (defined(_WIN32) && !defined(__CYGWIN32__)) |
139 | tmp_base = getenv ("TEMP"); /* Windows95 defines this ... */ | |
140 | if (tmp_base == 0) | |
141 | tmp_base = getenv ("Temp"); /* ... while NT prefers this */ | |
142 | if (tmp_base == 0) | |
143 | tmp_base = ""; | |
144 | strlwr (infile); | |
145 | #endif /* _WIN32 && !__CYGWIN32__ */ | |
146 | ||
bd088c91 JT |
147 | #if (defined(unix) || defined(__unix) || defined(__unix__)) |
148 | { | |
149 | char *tmp_ptr = getenv("TMPDIR"); | |
150 | ||
151 | if (tmp_ptr != 0) | |
152 | tmp_base = stringappend (tmp_ptr, strlen (tmp_ptr), "/b."); | |
153 | } | |
154 | #endif /* unix || __unix || __unix__ */ | |
155 | ||
54bd0db4 RS |
156 | tmp_len = strlen (tmp_base); |
157 | ||
158 | if (spec_outfile) | |
159 | { | |
160 | /* -o was specified. The precise -o name will be used for ftable. | |
161 | For other output files, remove the ".c" or ".tab.c" suffix. */ | |
162 | name_base = spec_outfile; | |
163 | #ifdef MSDOS | |
164 | strlwr (name_base); | |
165 | #endif /* MSDOS */ | |
166 | /* BASE_LENGTH includes ".tab" but not ".c". */ | |
167 | base_length = strlen (name_base); | |
168 | if (!strcmp (name_base + base_length - 2, ".c")) | |
169 | base_length -= 2; | |
170 | /* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */ | |
171 | short_base_length = base_length; | |
172 | if (!strncmp (name_base + short_base_length - 4, ".tab", 4)) | |
173 | short_base_length -= 4; | |
174 | else if (!strncmp (name_base + short_base_length - 4, "_tab", 4)) | |
175 | short_base_length -= 4; | |
176 | } | |
177 | else if (spec_file_prefix) | |
178 | { | |
179 | /* -b was specified. Construct names from it. */ | |
180 | /* SHORT_BASE_LENGTH includes neither ".tab" nor ".c". */ | |
181 | short_base_length = strlen (spec_file_prefix); | |
182 | /* Count room for `.tab'. */ | |
183 | base_length = short_base_length + 4; | |
40675e7c | 184 | name_base = (char *) xmalloc (base_length + 1); |
54bd0db4 RS |
185 | /* Append `.tab'. */ |
186 | strcpy (name_base, spec_file_prefix); | |
187 | #ifdef VMS | |
188 | strcat (name_base, "_tab"); | |
189 | #else | |
190 | strcat (name_base, ".tab"); | |
191 | #endif | |
192 | #ifdef MSDOS | |
193 | strlwr (name_base); | |
194 | #endif /* MSDOS */ | |
195 | } | |
196 | else | |
197 | { | |
198 | /* -o was not specified; compute output file name from input | |
199 | or use y.tab.c, etc., if -y was specified. */ | |
200 | ||
201 | name_base = fixed_outfiles ? "y.y" : infile; | |
202 | ||
203 | /* BASE_LENGTH gets length of NAME_BASE, sans ".y" suffix if any. */ | |
204 | ||
205 | base_length = strlen (name_base); | |
206 | if (!strcmp (name_base + base_length - 2, ".y")) | |
207 | base_length -= 2; | |
208 | short_base_length = base_length; | |
209 | ||
210 | #ifdef VMS | |
211 | name_base = stringappend(name_base, short_base_length, "_tab"); | |
212 | #else | |
213 | #ifdef MSDOS | |
214 | name_base = stringappend(name_base, short_base_length, "_tab"); | |
215 | #else | |
216 | name_base = stringappend(name_base, short_base_length, ".tab"); | |
217 | #endif /* not MSDOS */ | |
218 | #endif | |
219 | base_length = short_base_length + 4; | |
220 | } | |
221 | ||
222 | finput = tryopen(infile, "r"); | |
223 | ||
28683c54 | 224 | if (! noparserflag) |
54bd0db4 | 225 | { |
28683c54 RS |
226 | filename = getenv("BISON_SIMPLE"); |
227 | #ifdef MSDOS | |
228 | /* File doesn't exist in current directory; try in INIT directory. */ | |
229 | cp = getenv("INIT"); | |
230 | if (filename == 0 && cp != NULL) | |
231 | { | |
232 | filename = xmalloc(strlen(cp) + strlen(PFILE) + 2); | |
233 | strcpy(filename, cp); | |
234 | cp = filename + strlen(filename); | |
235 | *cp++ = '/'; | |
236 | strcpy(cp, PFILE); | |
237 | } | |
54bd0db4 | 238 | #endif /* MSDOS */ |
28683c54 RS |
239 | fparser = tryopen(filename ? filename : PFILE, "r"); |
240 | } | |
54bd0db4 RS |
241 | |
242 | if (verboseflag) | |
243 | { | |
244 | #ifdef MSDOS | |
245 | outfile = stringappend(name_base, short_base_length, ".out"); | |
246 | #else | |
247 | /* We used to use just .out if spec_name_prefix (-p) was used, | |
248 | but that conflicts with Posix. */ | |
249 | outfile = stringappend(name_base, short_base_length, ".output"); | |
250 | #endif | |
251 | foutput = tryopen(outfile, "w"); | |
252 | } | |
253 | ||
28683c54 RS |
254 | if (noparserflag) |
255 | { | |
256 | /* use permanent name for actions file */ | |
257 | actfile = stringappend(name_base, short_base_length, ".act"); | |
258 | faction = tryopen(actfile, "w"); | |
259 | } | |
260 | ||
54bd0db4 | 261 | #ifdef MSDOS |
28683c54 RS |
262 | if (! noparserflag) |
263 | actfile = mktemp(stringappend(tmp_base, tmp_len, "acXXXXXX")); | |
54bd0db4 RS |
264 | tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "atXXXXXX")); |
265 | tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "taXXXXXX")); | |
266 | tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "deXXXXXX")); | |
267 | #else | |
28683c54 RS |
268 | if (! noparserflag) |
269 | actfile = mktemp(stringappend(tmp_base, tmp_len, "act.XXXXXX")); | |
54bd0db4 RS |
270 | tmpattrsfile = mktemp(stringappend(tmp_base, tmp_len, "attrs.XXXXXX")); |
271 | tmptabfile = mktemp(stringappend(tmp_base, tmp_len, "tab.XXXXXX")); | |
272 | tmpdefsfile = mktemp(stringappend(tmp_base, tmp_len, "defs.XXXXXX")); | |
273 | #endif /* not MSDOS */ | |
274 | ||
28683c54 RS |
275 | if (! noparserflag) |
276 | faction = tryopen(actfile, "w+"); | |
54bd0db4 RS |
277 | fattrs = tryopen(tmpattrsfile,"w+"); |
278 | ftable = tryopen(tmptabfile, "w+"); | |
279 | ||
280 | if (definesflag) | |
281 | { | |
282 | defsfile = stringappend(name_base, base_length, ".h"); | |
283 | fdefines = tryopen(tmpdefsfile, "w+"); | |
284 | } | |
285 | ||
e0672a61 | 286 | #if !(defined (MSDOS) || (defined(_WIN32) && !defined(__CYGWIN32__))) |
28683c54 RS |
287 | if (! noparserflag) |
288 | unlink(actfile); | |
54bd0db4 RS |
289 | unlink(tmpattrsfile); |
290 | unlink(tmptabfile); | |
291 | unlink(tmpdefsfile); | |
e0672a61 | 292 | #endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */ |
54bd0db4 RS |
293 | |
294 | /* These are opened by `done' or `open_extra_files', if at all */ | |
295 | if (spec_outfile) | |
296 | tabfile = spec_outfile; | |
297 | else | |
298 | tabfile = stringappend(name_base, base_length, ".c"); | |
299 | ||
300 | #ifdef VMS | |
301 | attrsfile = stringappend(name_base, short_base_length, "_stype.h"); | |
302 | guardfile = stringappend(name_base, short_base_length, "_guard.c"); | |
303 | #else | |
304 | #ifdef MSDOS | |
305 | attrsfile = stringappend(name_base, short_base_length, ".sth"); | |
306 | guardfile = stringappend(name_base, short_base_length, ".guc"); | |
307 | #else | |
308 | attrsfile = stringappend(name_base, short_base_length, ".stype.h"); | |
309 | guardfile = stringappend(name_base, short_base_length, ".guard.c"); | |
310 | #endif /* not MSDOS */ | |
311 | #endif /* not VMS */ | |
312 | } | |
313 | ||
314 | ||
315 | ||
316 | /* open the output files needed only for the semantic parser. | |
317 | This is done when %semantic_parser is seen in the declarations section. */ | |
318 | ||
319 | void | |
bd088c91 | 320 | open_extra_files (void) |
54bd0db4 RS |
321 | { |
322 | FILE *ftmp; | |
323 | int c; | |
324 | char *filename, *cp; | |
325 | ||
28683c54 RS |
326 | if (fparser) |
327 | fclose(fparser); | |
54bd0db4 | 328 | |
28683c54 | 329 | if (! noparserflag) |
54bd0db4 | 330 | { |
28683c54 RS |
331 | filename = (char *) getenv ("BISON_HAIRY"); |
332 | #ifdef MSDOS | |
333 | /* File doesn't exist in current directory; try in INIT directory. */ | |
334 | cp = getenv("INIT"); | |
335 | if (filename == 0 && cp != NULL) | |
336 | { | |
337 | filename = xmalloc(strlen(cp) + strlen(PFILE1) + 2); | |
338 | strcpy(filename, cp); | |
339 | cp = filename + strlen(filename); | |
340 | *cp++ = '/'; | |
341 | strcpy(cp, PFILE1); | |
342 | } | |
54bd0db4 | 343 | #endif |
28683c54 RS |
344 | fparser= tryopen(filename ? filename : PFILE1, "r"); |
345 | } | |
54bd0db4 RS |
346 | |
347 | /* JF change from inline attrs file to separate one */ | |
348 | ftmp = tryopen(attrsfile, "w"); | |
349 | rewind(fattrs); | |
350 | while((c=getc(fattrs))!=EOF) /* Thank god for buffering */ | |
351 | putc(c,ftmp); | |
352 | fclose(fattrs); | |
353 | fattrs=ftmp; | |
354 | ||
355 | fguard = tryopen(guardfile, "w"); | |
356 | ||
357 | } | |
358 | ||
359 | /* JF to make file opening easier. This func tries to open file | |
360 | NAME with mode MODE, and prints an error message if it fails. */ | |
361 | FILE * | |
bd088c91 | 362 | tryopen (char *name, char *mode) |
54bd0db4 RS |
363 | { |
364 | FILE *ptr; | |
365 | ||
366 | ptr = fopen(name, mode); | |
367 | if (ptr == NULL) | |
368 | { | |
369 | fprintf(stderr, "%s: ", program_name); | |
370 | perror(name); | |
371 | done(2); | |
372 | } | |
373 | return ptr; | |
374 | } | |
375 | ||
376 | void | |
bd088c91 | 377 | done (int k) |
54bd0db4 RS |
378 | { |
379 | if (faction) | |
380 | fclose(faction); | |
381 | ||
382 | if (fattrs) | |
383 | fclose(fattrs); | |
384 | ||
385 | if (fguard) | |
386 | fclose(fguard); | |
387 | ||
388 | if (finput) | |
389 | fclose(finput); | |
390 | ||
391 | if (fparser) | |
392 | fclose(fparser); | |
393 | ||
394 | if (foutput) | |
395 | fclose(foutput); | |
396 | ||
397 | /* JF write out the output file */ | |
398 | if (k == 0 && ftable) | |
399 | { | |
400 | FILE *ftmp; | |
401 | register int c; | |
402 | ||
403 | ftmp=tryopen(tabfile, "w"); | |
404 | rewind(ftable); | |
405 | while((c=getc(ftable)) != EOF) | |
406 | putc(c,ftmp); | |
407 | fclose(ftmp); | |
408 | fclose(ftable); | |
409 | ||
410 | if (definesflag) | |
411 | { | |
412 | ftmp = tryopen(defsfile, "w"); | |
413 | fflush(fdefines); | |
414 | rewind(fdefines); | |
415 | while((c=getc(fdefines)) != EOF) | |
416 | putc(c,ftmp); | |
417 | fclose(ftmp); | |
418 | fclose(fdefines); | |
419 | } | |
420 | } | |
421 | ||
fcca25ad | 422 | #if defined (VMS) & !defined (__VMS_POSIX) |
28683c54 | 423 | if (faction && ! noparserflag) |
54bd0db4 RS |
424 | delete(actfile); |
425 | if (fattrs) | |
426 | delete(tmpattrsfile); | |
427 | if (ftable) | |
428 | delete(tmptabfile); | |
429 | if (k==0) sys$exit(SS$_NORMAL); | |
430 | sys$exit(SS$_ABORT); | |
431 | #else | |
e0672a61 | 432 | #if (defined (MSDOS) || (defined(_WIN32) && !defined(__CYGWIN32__))) |
28683c54 | 433 | if (actfile && ! noparserflag) unlink(actfile); |
54bd0db4 RS |
434 | if (tmpattrsfile) unlink(tmpattrsfile); |
435 | if (tmptabfile) unlink(tmptabfile); | |
436 | if (tmpdefsfile) unlink(tmpdefsfile); | |
e0672a61 | 437 | #endif /* MSDOS || (_WIN32 && !__CYGWIN32__) */ |
54bd0db4 | 438 | exit(k); |
fcca25ad | 439 | #endif /* not VMS, or __VMS_POSIX */ |
54bd0db4 | 440 | } |