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Commit | Line | Data |
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e2500fed GK |
1 | /* Process source files and output type information. |
2 | Copyright (C) 2002 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 2, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GCC; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
21 | #include "hconfig.h" | |
22 | #include "system.h" | |
23 | #include <ctype.h> | |
24 | #include "gengtype.h" | |
25 | ||
26 | static int hit_error = 0; | |
27 | void | |
28 | error_at_line VPARAMS ((struct fileloc *pos, const char *msg, ...)) | |
29 | { | |
30 | VA_OPEN (ap, msg); | |
31 | VA_FIXEDARG (ap, struct fileloc *, pos); | |
32 | VA_FIXEDARG (ap, const char *, msg); | |
33 | ||
34 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
35 | vfprintf (stderr, msg, ap); | |
36 | fputc ('\n', stderr); | |
37 | hit_error = 1; | |
38 | ||
39 | VA_CLOSE (ap); | |
40 | } | |
41 | ||
42 | struct type string_type = { | |
43 | TYPE_STRING, NULL, NULL, GC_USED | |
44 | UNION_INIT_ZERO | |
45 | }; | |
46 | ||
47 | static pair_p typedefs; | |
48 | static type_p structures; | |
49 | static type_p param_structs; | |
50 | static pair_p variables; | |
51 | ||
52 | void | |
53 | do_typedef (s, t, pos) | |
54 | const char *s; | |
55 | type_p t; | |
56 | struct fileloc *pos; | |
57 | { | |
58 | pair_p p; | |
59 | ||
60 | for (p = typedefs; p != NULL; p = p->next) | |
61 | if (strcmp (p->name, s) == 0) | |
62 | { | |
63 | if (p->type != t) | |
64 | { | |
65 | error_at_line (pos, "type `%s' previously defined", s); | |
66 | error_at_line (&p->line, "previously defined here"); | |
67 | } | |
68 | return; | |
69 | } | |
70 | ||
71 | p = xmalloc (sizeof (struct pair)); | |
72 | p->next = typedefs; | |
73 | p->name = s; | |
74 | p->type = t; | |
75 | p->line = *pos; | |
76 | typedefs = p; | |
77 | } | |
78 | ||
79 | type_p | |
80 | resolve_typedef (s, pos) | |
81 | const char *s; | |
82 | struct fileloc *pos; | |
83 | { | |
84 | pair_p p; | |
85 | for (p = typedefs; p != NULL; p = p->next) | |
86 | if (strcmp (p->name, s) == 0) | |
87 | return p->type; | |
88 | error_at_line (pos, "unidentified type `%s'", s); | |
89 | return create_scalar_type ("char", 4); | |
90 | } | |
91 | ||
92 | void | |
93 | new_structure (name, isunion, pos, fields, o) | |
94 | const char *name; | |
95 | int isunion; | |
96 | struct fileloc *pos; | |
97 | pair_p fields; | |
98 | options_p o; | |
99 | { | |
100 | type_p si; | |
101 | type_p s = NULL; | |
102 | lang_bitmap bitmap = get_base_file_bitmap (pos->file); | |
103 | ||
104 | for (si = structures; si != NULL; si = si->next) | |
105 | if (strcmp (name, si->u.s.tag) == 0 | |
106 | && UNION_P (si) == isunion) | |
107 | { | |
108 | type_p ls = NULL; | |
109 | if (si->kind == TYPE_LANG_STRUCT) | |
110 | { | |
111 | ls = si; | |
112 | ||
113 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) | |
114 | if (si->u.s.bitmap == bitmap) | |
115 | s = si; | |
116 | } | |
117 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
118 | { | |
119 | ls = si; | |
120 | si = xcalloc (1, sizeof (struct type)); | |
121 | memcpy (si, ls, sizeof (struct type)); | |
122 | ls->kind = TYPE_LANG_STRUCT; | |
123 | ls->u.s.lang_struct = si; | |
124 | ls->u.s.fields = NULL; | |
125 | si->next = NULL; | |
126 | si->pointer_to = NULL; | |
127 | si->u.s.lang_struct = ls; | |
128 | } | |
129 | else | |
130 | s = si; | |
131 | ||
132 | if (ls != NULL && s == NULL) | |
133 | { | |
134 | s = xcalloc (1, sizeof (struct type)); | |
135 | s->next = ls->u.s.lang_struct; | |
136 | ls->u.s.lang_struct = s; | |
137 | s->u.s.lang_struct = ls; | |
138 | } | |
139 | break; | |
140 | } | |
141 | ||
142 | if (s == NULL) | |
143 | { | |
144 | s = xcalloc (1, sizeof (struct type)); | |
145 | s->next = structures; | |
146 | structures = s; | |
147 | } | |
148 | ||
149 | if (s->u.s.line.file != NULL | |
150 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
151 | { | |
152 | error_at_line (pos, "duplicate structure definition"); | |
153 | error_at_line (&s->u.s.line, "previous definition here"); | |
154 | } | |
155 | ||
156 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
157 | s->u.s.tag = name; | |
158 | s->u.s.line = *pos; | |
159 | s->u.s.fields = fields; | |
160 | s->u.s.opt = o; | |
161 | s->u.s.bitmap = bitmap; | |
162 | if (s->u.s.lang_struct) | |
163 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
164 | } | |
165 | ||
166 | type_p | |
167 | find_structure (name, isunion) | |
168 | const char *name; | |
169 | int isunion; | |
170 | { | |
171 | type_p s; | |
172 | ||
173 | for (s = structures; s != NULL; s = s->next) | |
174 | if (strcmp (name, s->u.s.tag) == 0 | |
175 | && UNION_P (s) == isunion) | |
176 | return s; | |
177 | ||
178 | s = xcalloc (1, sizeof (struct type)); | |
179 | s->next = structures; | |
180 | structures = s; | |
181 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
182 | s->u.s.tag = name; | |
183 | structures = s; | |
184 | return s; | |
185 | } | |
186 | ||
187 | type_p | |
188 | create_scalar_type (name, name_len) | |
189 | const char *name; | |
190 | size_t name_len; | |
191 | { | |
192 | type_p r = xcalloc (1, sizeof (struct type)); | |
193 | r->kind = TYPE_SCALAR; | |
194 | r->u.sc = xmemdup (name, name_len, name_len + 1); | |
195 | return r; | |
196 | } | |
197 | ||
198 | type_p | |
199 | create_pointer (t) | |
200 | type_p t; | |
201 | { | |
202 | if (! t->pointer_to) | |
203 | { | |
204 | type_p r = xcalloc (1, sizeof (struct type)); | |
205 | r->kind = TYPE_POINTER; | |
206 | r->u.p = t; | |
207 | t->pointer_to = r; | |
208 | } | |
209 | return t->pointer_to; | |
210 | } | |
211 | ||
212 | type_p | |
213 | create_array (t, len) | |
214 | type_p t; | |
215 | const char *len; | |
216 | { | |
217 | type_p v; | |
218 | ||
219 | v = xcalloc (1, sizeof (*v)); | |
220 | v->kind = TYPE_ARRAY; | |
221 | v->u.a.p = t; | |
222 | v->u.a.len = len; | |
223 | return v; | |
224 | } | |
225 | ||
226 | type_p | |
227 | adjust_field_type (t, opt) | |
228 | type_p t; | |
229 | options_p opt; | |
230 | { | |
231 | int length_p = 0; | |
232 | const int pointer_p = t->kind == TYPE_POINTER; | |
233 | ||
234 | for (; opt; opt = opt->next) | |
235 | if (strcmp (opt->name, "length") == 0) | |
236 | length_p = 1; | |
237 | else if (strcmp (opt->name, "param_is") == 0) | |
238 | { | |
239 | type_p realt; | |
240 | ||
241 | if (pointer_p) | |
242 | t = t->u.p; | |
243 | ||
244 | for (realt = param_structs; realt; realt = realt->next) | |
245 | if (realt->u.param_struct.stru == t | |
246 | && realt->u.param_struct.param == (type_p) opt->info) | |
247 | return pointer_p ? create_pointer (realt) : realt; | |
248 | realt = xcalloc (1, sizeof (*realt)); | |
249 | realt->kind = TYPE_PARAM_STRUCT; | |
250 | realt->next = param_structs; | |
251 | param_structs = realt; | |
252 | realt->u.param_struct.stru = t; | |
253 | realt->u.param_struct.param = (type_p) opt->info; | |
254 | return pointer_p ? create_pointer (realt) : realt; | |
255 | } | |
256 | ||
257 | if (! length_p | |
258 | && pointer_p | |
259 | && t->u.p->kind == TYPE_SCALAR | |
260 | && (strcmp (t->u.p->u.sc, "char") == 0 | |
261 | || strcmp (t->u.p->u.sc, "unsigned char") == 0)) | |
262 | return &string_type; | |
263 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
264 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
265 | && (strcmp (t->u.a.p->u.p->u.sc, "char") == 0 | |
266 | || strcmp (t->u.a.p->u.p->u.sc, "unsigned char") == 0)) | |
267 | return create_array (&string_type, t->u.a.len); | |
268 | ||
269 | return t; | |
270 | } | |
271 | ||
272 | void | |
273 | note_variable (s, t, o, pos) | |
274 | const char *s; | |
275 | type_p t; | |
276 | options_p o; | |
277 | struct fileloc *pos; | |
278 | { | |
279 | pair_p n; | |
280 | n = xmalloc (sizeof (*n)); | |
281 | n->name = s; | |
282 | n->type = t; | |
283 | n->line = *pos; | |
284 | n->opt = o; | |
285 | n->next = variables; | |
286 | variables = n; | |
287 | } | |
288 | ||
289 | void | |
290 | note_yacc_type (o, fields, typeinfo, pos) | |
291 | options_p o; | |
292 | pair_p fields; | |
293 | pair_p typeinfo; | |
294 | struct fileloc *pos; | |
295 | { | |
296 | pair_p p; | |
297 | pair_p *p_p; | |
298 | ||
299 | for (p = typeinfo; p; p = p->next) | |
300 | { | |
301 | pair_p m; | |
302 | ||
303 | if (p->name == NULL) | |
304 | continue; | |
305 | ||
306 | if (p->type == (type_p) 1) | |
307 | { | |
308 | pair_p pp; | |
309 | int ok = 0; | |
310 | ||
311 | for (pp = typeinfo; pp; pp = pp->next) | |
312 | if (pp->type != (type_p) 1 | |
313 | && strcmp (pp->opt->info, p->opt->info) == 0) | |
314 | { | |
315 | ok = 1; | |
316 | break; | |
317 | } | |
318 | if (! ok) | |
319 | continue; | |
320 | } | |
321 | ||
322 | for (m = fields; m; m = m->next) | |
323 | if (strcmp (m->name, p->name) == 0) | |
324 | p->type = m->type; | |
325 | if (p->type == NULL) | |
326 | { | |
327 | error_at_line (&p->line, | |
328 | "couldn't match fieldname `%s'", p->name); | |
329 | p->name = NULL; | |
330 | } | |
331 | } | |
332 | ||
333 | p_p = &typeinfo; | |
334 | while (*p_p) | |
335 | { | |
336 | pair_p p = *p_p; | |
337 | ||
338 | if (p->name == NULL | |
339 | || p->type == (type_p) 1) | |
340 | *p_p = p->next; | |
341 | else | |
342 | p_p = &p->next; | |
343 | } | |
344 | ||
345 | new_structure ("yy_union", 1, pos, typeinfo, o); | |
346 | do_typedef ("YYSTYPE", find_structure ("yy_union", 1), pos); | |
347 | } | |
348 | \f | |
349 | static void process_gc_options PARAMS ((options_p, enum gc_used_enum, int *)); | |
350 | static void set_gc_used_type PARAMS ((type_p, enum gc_used_enum)); | |
351 | static void set_gc_used PARAMS ((pair_p)); | |
352 | ||
353 | static void | |
354 | process_gc_options (opt, level, maybe_undef) | |
355 | options_p opt; | |
356 | enum gc_used_enum level; | |
357 | int *maybe_undef; | |
358 | { | |
359 | options_p o; | |
360 | for (o = opt; o; o = o->next) | |
361 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
362 | set_gc_used_type ((type_p) o->info, GC_POINTED_TO); | |
363 | else if (strcmp (o->name, "maybe_undef") == 0) | |
364 | *maybe_undef = 1; | |
365 | } | |
366 | ||
367 | static void | |
368 | set_gc_used_type (t, level) | |
369 | type_p t; | |
370 | enum gc_used_enum level; | |
371 | { | |
372 | if (t->gc_used >= level) | |
373 | return; | |
374 | ||
375 | t->gc_used = level; | |
376 | ||
377 | switch (t->kind) | |
378 | { | |
379 | case TYPE_STRUCT: | |
380 | case TYPE_UNION: | |
381 | { | |
382 | pair_p f; | |
383 | int dummy; | |
384 | ||
385 | process_gc_options (t->u.s.opt, level, &dummy); | |
386 | ||
387 | for (f = t->u.s.fields; f; f = f->next) | |
388 | { | |
389 | int maybe_undef = 0; | |
390 | process_gc_options (t->u.s.opt, level, &maybe_undef); | |
391 | ||
392 | if (maybe_undef && f->type->kind == TYPE_POINTER) | |
393 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO); | |
394 | else | |
395 | set_gc_used_type (f->type, GC_USED); | |
396 | } | |
397 | break; | |
398 | } | |
399 | ||
400 | case TYPE_POINTER: | |
401 | set_gc_used_type (t->u.p, GC_POINTED_TO); | |
402 | break; | |
403 | ||
404 | case TYPE_ARRAY: | |
405 | set_gc_used_type (t->u.a.p, GC_USED); | |
406 | break; | |
407 | ||
408 | case TYPE_LANG_STRUCT: | |
409 | for (t = t->u.s.lang_struct; t; t = t->next) | |
410 | set_gc_used_type (t, level); | |
411 | break; | |
412 | ||
413 | case TYPE_PARAM_STRUCT: | |
414 | set_gc_used_type (t->u.param_struct.param, GC_POINTED_TO); | |
415 | set_gc_used_type (t->u.param_struct.stru, GC_USED); | |
416 | break; | |
417 | ||
418 | default: | |
419 | break; | |
420 | } | |
421 | } | |
422 | ||
423 | static void | |
424 | set_gc_used (variables) | |
425 | pair_p variables; | |
426 | { | |
427 | pair_p p; | |
428 | for (p = variables; p; p = p->next) | |
429 | set_gc_used_type (p->type, GC_USED); | |
430 | } | |
431 | \f | |
432 | /* File mapping routines. For each input file, there is one output .c file | |
433 | (but some output files have many input files), and there is one .h file | |
434 | for the whole build. */ | |
435 | ||
436 | typedef struct filemap *filemap_p; | |
437 | ||
438 | struct filemap { | |
439 | filemap_p next; | |
440 | const char *input_name; | |
441 | const char *output_name; | |
442 | FILE *output; | |
443 | }; | |
444 | ||
445 | static filemap_p files; | |
446 | FILE * header_file; | |
447 | ||
448 | enum { | |
449 | BASE_FILE_C, | |
450 | BASE_FILE_OBJC, | |
451 | BASE_FILE_CPLUSPLUS | |
452 | }; | |
453 | static const char *lang_names[] = { | |
454 | "c", "objc", "cp", "f", "ada", "java" | |
455 | }; | |
456 | #define NUM_BASE_FILES (sizeof (lang_names) / sizeof (lang_names[0])) | |
457 | FILE *base_files[NUM_BASE_FILES]; | |
458 | ||
459 | static FILE * create_file PARAMS ((const char *)); | |
460 | static const char * get_file_basename PARAMS ((const char *)); | |
461 | ||
462 | static FILE * | |
463 | create_file (name) | |
464 | const char *name; | |
465 | { | |
466 | static const char *const hdr[] = { | |
467 | " Copyright (C) 2002 Free Software Foundation, Inc.\n", | |
468 | "\n", | |
469 | "This file is part of GCC.\n", | |
470 | "\n", | |
471 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
472 | "the terms of the GNU General Public License as published by the Free\n", | |
473 | "Software Foundation; either version 2, or (at your option) any later\n", | |
474 | "version.\n", | |
475 | "\n", | |
476 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
477 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
478 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
479 | "for more details.\n", | |
480 | "\n", | |
481 | "You should have received a copy of the GNU General Public License\n", | |
482 | "along with GCC; see the file COPYING. If not, write to the Free\n", | |
483 | "Software Foundation, 59 Temple Place - Suite 330, Boston, MA\n", | |
484 | "02111-1307, USA. */\n", | |
485 | "\n", | |
486 | "/* This file is machine generated. Do not edit. */\n" | |
487 | }; | |
488 | FILE *f; | |
489 | size_t i; | |
490 | ||
491 | f = tmpfile(); | |
492 | if (f == NULL) | |
493 | { | |
494 | perror ("couldn't create temporary file"); | |
495 | exit (1); | |
496 | } | |
497 | fprintf (f, "/* Type information for %s.\n", name); | |
498 | for (i = 0; i < sizeof(hdr)/sizeof(hdr[0]); i++) | |
499 | fputs (hdr[i], f); | |
500 | return f; | |
501 | } | |
502 | ||
503 | static void | |
504 | open_base_files (void) | |
505 | { | |
506 | size_t i; | |
507 | ||
508 | header_file = create_file ("GCC"); | |
509 | ||
510 | for (i = 0; i < NUM_BASE_FILES; i++) | |
511 | { | |
512 | filemap_p newf; | |
513 | char *s; | |
514 | ||
515 | base_files[i] = create_file (lang_names[i]); | |
516 | newf = xmalloc (sizeof (*newf)); | |
517 | newf->next = files; | |
518 | files = newf; | |
519 | newf->input_name = NULL; | |
520 | newf->output = base_files[i]; | |
521 | newf->output_name = s = xmalloc (16); | |
522 | sprintf (s, "gtype-%s.h", lang_names[i]); | |
523 | } | |
524 | } | |
525 | ||
526 | #define startswith(len, c, s) \ | |
527 | ((size_t)(len) >= strlen (s) && memcmp (c, s, strlen (s)) == 0) | |
528 | ||
529 | static const char * | |
530 | get_file_basename (f) | |
531 | const char *f; | |
532 | { | |
533 | size_t len; | |
534 | const char *basename; | |
535 | ||
536 | /* Determine the output file name. */ | |
537 | len = strlen (f); | |
538 | basename = strrchr (f, '/'); | |
539 | if (basename == NULL) | |
540 | basename = f; | |
541 | else | |
542 | basename++; | |
543 | if (startswith (basename - f, basename-2, "f/")) | |
544 | basename -= 2; | |
545 | else if (startswith (basename - f, basename-3, "cp/")) | |
546 | basename -= 3; | |
547 | else if (startswith (basename - f, basename-4, "ada/")) | |
548 | basename -= 4; | |
549 | else if (startswith (basename - f, basename-5, "java/")) | |
550 | basename -= 5; | |
551 | else if (startswith (basename - f, basename-5, "objc/")) | |
552 | basename -= 5; | |
553 | ||
554 | return basename; | |
555 | } | |
556 | ||
557 | unsigned | |
558 | get_base_file_bitmap (input_file) | |
559 | const char *input_file; | |
560 | { | |
561 | const char *basename = get_file_basename (input_file); | |
562 | const char *slashpos = strchr (basename, '/'); | |
563 | size_t len = strlen (basename); | |
564 | ||
565 | if (slashpos != NULL) | |
566 | { | |
567 | size_t i; | |
568 | for (i = 0; i < NUM_BASE_FILES; i++) | |
569 | if ((size_t)(slashpos - basename) == strlen (lang_names [i]) | |
570 | && memcmp (basename, lang_names[i], strlen (lang_names[i])) == 0) | |
571 | return 1 << i; | |
572 | } | |
573 | else if (strcmp (basename, "c-lang.c") == 0) | |
574 | return 1 << BASE_FILE_C; | |
575 | else if (strcmp (basename, "c-parse.in") == 0 | |
576 | || strcmp (basename, "c-tree.h") == 0 | |
577 | || strcmp (basename, "c-decl.c") == 0 | |
578 | || strcmp (basename, "c-objc-common.c") == 0) | |
579 | return 1 << BASE_FILE_C | 1 << BASE_FILE_OBJC; | |
580 | else if (startswith (len, basename, "c-")) | |
581 | return 1 << BASE_FILE_C | 1 << BASE_FILE_OBJC | 1 << BASE_FILE_CPLUSPLUS; | |
582 | else | |
583 | return (1 << NUM_BASE_FILES) - 1; | |
584 | abort (); | |
585 | } | |
586 | ||
587 | FILE * | |
588 | get_output_file_with_visibility (input_file) | |
589 | const char *input_file; | |
590 | { | |
591 | filemap_p fm, fmo; | |
592 | size_t len; | |
593 | const char *basename; | |
594 | ||
595 | /* Do we already know the file? */ | |
596 | for (fm = files; fm; fm = fm->next) | |
597 | if (input_file == fm->input_name) | |
598 | return fm->output; | |
599 | ||
600 | /* No, we'll be creating a new filemap. */ | |
601 | fm = xmalloc (sizeof (*fm)); | |
602 | fm->next = files; | |
603 | files = fm; | |
604 | fm->input_name = input_file; | |
605 | ||
606 | /* Determine the output file name. */ | |
607 | basename = get_file_basename (input_file); | |
608 | ||
609 | len = strlen (basename); | |
610 | if ((len > 2 && memcmp (basename+len-2, ".c", 2) == 0) | |
611 | || (len > 2 && memcmp (basename+len-2, ".y", 2) == 0) | |
612 | || (len > 3 && memcmp (basename+len-3, ".in", 3) == 0)) | |
613 | { | |
614 | char *s; | |
615 | ||
616 | fm->output_name = s = xmalloc (sizeof ("gt-") + len); | |
617 | sprintf (s, "gt-%s", basename); | |
618 | for (; *s != '.'; s++) | |
619 | if (! isalnum (*s) && *s != '-') | |
620 | *s = '-'; | |
621 | memcpy (s, ".h", sizeof (".h")); | |
622 | } | |
623 | else if (strcmp (basename, "c-common.h") == 0) | |
624 | fm->output_name = "gt-c-common.h"; | |
625 | else if (strcmp (basename, "c-tree.h") == 0) | |
626 | fm->output_name = "gt-c-decl.h"; | |
627 | else | |
628 | { | |
629 | size_t i; | |
630 | ||
631 | fm->output_name = "gtype-desc.c"; | |
632 | for (i = 0; i < NUM_BASE_FILES; i++) | |
633 | if (memcmp (basename, lang_names[i], strlen (lang_names[i])) == 0 | |
634 | && basename[strlen(lang_names[i])] == '/') | |
635 | { | |
636 | char *s; | |
637 | ||
638 | s = xmalloc (16); | |
639 | sprintf (s, "gtype-%s.h", lang_names[i]); | |
640 | fm->output_name = s; | |
641 | break; | |
642 | } | |
643 | } | |
644 | ||
645 | /* Look through to see if we've ever seen this output filename before. */ | |
646 | for (fmo = fm->next; fmo; fmo = fmo->next) | |
647 | if (strcmp (fmo->output_name, fm->output_name) == 0) | |
648 | { | |
649 | fm->output = fmo->output; | |
650 | break; | |
651 | } | |
652 | ||
653 | /* If not, create it. */ | |
654 | if (fmo == NULL) | |
655 | { | |
656 | fm->output = create_file (fm->output_name); | |
657 | if (strcmp (fm->output_name, "gtype-desc.c") == 0) | |
658 | { | |
659 | fputs ("#include \"config.h\"\n", fm->output); | |
660 | fputs ("#include \"system.h\"\n", fm->output); | |
661 | fputs ("#include \"varray.h\"\n", fm->output); | |
662 | fputs ("#include \"hashtab.h\"\n", fm->output); | |
663 | fputs ("#include \"bitmap.h\"\n", fm->output); | |
664 | fputs ("#include \"tree.h\"\n", fm->output); | |
665 | fputs ("#include \"rtl.h\"\n", fm->output); | |
666 | fputs ("#include \"function.h\"\n", fm->output); | |
667 | fputs ("#include \"insn-config.h\"\n", fm->output); | |
668 | fputs ("#include \"expr.h\"\n", fm->output); | |
669 | fputs ("#include \"hard-reg-set.h\"\n", fm->output); | |
670 | fputs ("#include \"basic-block.h\"\n", fm->output); | |
671 | fputs ("#include \"cselib.h\"\n", fm->output); | |
672 | fputs ("#include \"insn-addr.h\"\n", fm->output); | |
673 | fputs ("#include \"ssa.h\"\n", fm->output); | |
674 | fputs ("#include \"optabs.h\"\n", fm->output); | |
675 | fputs ("#include \"libfuncs.h\"\n", fm->output); | |
676 | fputs ("#include \"debug.h\"\n", fm->output); | |
677 | fputs ("#include \"ggc.h\"\n", fm->output); | |
678 | } | |
679 | } | |
680 | ||
681 | return fm->output; | |
682 | } | |
683 | ||
684 | const char * | |
685 | get_output_file_name (input_file) | |
686 | const char *input_file; | |
687 | { | |
688 | filemap_p fm; | |
689 | ||
690 | for (fm = files; fm; fm = fm->next) | |
691 | if (input_file == fm->input_name) | |
692 | return fm->output_name; | |
693 | (void) get_output_file_with_visibility (input_file); | |
694 | return get_output_file_name (input_file); | |
695 | } | |
696 | ||
697 | static void | |
698 | close_output_files PARAMS ((void)) | |
699 | { | |
700 | filemap_p fm; | |
701 | struct filemap header; | |
702 | header.next = files; | |
703 | header.output_name = "gtype-desc.h"; | |
704 | header.output = header_file; | |
705 | ||
706 | for (fm = &header; fm; fm = fm->next) | |
707 | { | |
708 | int no_write_p; | |
709 | filemap_p ofm; | |
710 | FILE *newfile; | |
711 | ||
712 | /* Handle each output file once. */ | |
713 | if (fm->output == NULL) | |
714 | continue; | |
715 | ||
716 | for (ofm = fm->next; ofm; ofm = ofm->next) | |
717 | if (fm->output == ofm->output) | |
718 | ofm->output = NULL; | |
719 | ||
720 | /* Compare the output file with the file to be created, avoiding | |
721 | unnecessarily changing timestamps. */ | |
722 | newfile = fopen (fm->output_name, "r"); | |
723 | if (newfile != NULL) | |
724 | { | |
725 | int ch1, ch2; | |
726 | ||
727 | rewind (fm->output); | |
728 | do { | |
729 | ch1 = fgetc (fm->output); | |
730 | ch2 = fgetc (newfile); | |
731 | } while (ch1 != EOF && ch1 == ch2); | |
732 | ||
733 | fclose (newfile); | |
734 | ||
735 | no_write_p = ch1 == ch2; | |
736 | } | |
737 | else | |
738 | no_write_p = 0; | |
739 | ||
740 | /* Nothing interesting to do. Close the output file. */ | |
741 | if (no_write_p) | |
742 | { | |
743 | fclose (fm->output); | |
744 | continue; | |
745 | } | |
746 | ||
747 | newfile = fopen (fm->output_name, "w"); | |
748 | if (newfile == NULL) | |
749 | { | |
750 | perror ("opening output file"); | |
751 | exit (1); | |
752 | } | |
753 | { | |
754 | int ch; | |
755 | rewind (fm->output); | |
756 | while ((ch = fgetc (fm->output)) != EOF) | |
757 | fputc (ch, newfile); | |
758 | } | |
759 | fclose (newfile); | |
760 | fclose (fm->output); | |
761 | } | |
762 | } | |
763 | \f | |
764 | struct flist { | |
765 | struct flist *next; | |
766 | int started_p; | |
767 | const char *name; | |
768 | FILE *f; | |
769 | }; | |
770 | ||
771 | static void output_escaped_param PARAMS ((FILE *, const char *, const char *, | |
772 | const char *, const char *, | |
773 | struct fileloc *)); | |
774 | static void write_gc_structure_fields | |
775 | PARAMS ((FILE *, type_p, const char *, const char *, options_p, | |
776 | int, struct fileloc *, lang_bitmap, type_p)); | |
777 | static void write_gc_marker_routine_for_structure PARAMS ((type_p, type_p)); | |
778 | static void write_gc_types PARAMS ((type_p structures, type_p param_structs)); | |
779 | static void put_mangled_filename PARAMS ((FILE *, const char *)); | |
780 | static void finish_root_table PARAMS ((struct flist *flp, const char *pfx, | |
781 | const char *tname, const char *lastname, | |
782 | const char *name)); | |
783 | static void write_gc_root PARAMS ((FILE *, pair_p, type_p, const char *, int, | |
784 | struct fileloc *, const char *)); | |
785 | static void write_gc_roots PARAMS ((pair_p)); | |
786 | ||
787 | static int gc_counter; | |
788 | ||
789 | static void | |
790 | output_escaped_param (of, param, val, prev_val, oname, line) | |
791 | FILE *of; | |
792 | const char *param; | |
793 | const char *val; | |
794 | const char *prev_val; | |
795 | const char *oname; | |
796 | struct fileloc *line; | |
797 | { | |
798 | const char *p; | |
799 | ||
800 | for (p = param; *p; p++) | |
801 | if (*p != '%') | |
802 | fputc (*p, of); | |
803 | else if (*++p == 'h') | |
804 | fprintf (of, "(%s)", val); | |
805 | else if (*p == '0') | |
806 | fputs ("(*x)", of); | |
807 | else if (*p == '1') | |
808 | fprintf (of, "(%s)", prev_val); | |
809 | else | |
810 | error_at_line (line, "`%s' option contains bad escape %c%c", | |
811 | oname, '%', *p); | |
812 | } | |
813 | ||
814 | static void | |
815 | write_gc_structure_fields (of, s, val, prev_val, opts, indent, line, bitmap, | |
816 | param) | |
817 | FILE *of; | |
818 | type_p s; | |
819 | const char *val; | |
820 | const char *prev_val; | |
821 | options_p opts; | |
822 | int indent; | |
823 | struct fileloc *line; | |
824 | lang_bitmap bitmap; | |
825 | type_p param; | |
826 | { | |
827 | pair_p f; | |
828 | int tagcounter = -1; | |
829 | ||
830 | if (! s->u.s.line.file) | |
831 | error_at_line (line, "incomplete structure `%s'", s->u.s.tag); | |
832 | else if ((s->u.s.bitmap & bitmap) != bitmap) | |
833 | { | |
834 | error_at_line (line, "structure defined for mismatching languages"); | |
835 | error_at_line (&s->u.s.line, "one structure defined here"); | |
836 | } | |
837 | ||
838 | if (s->kind == TYPE_UNION) | |
839 | { | |
840 | const char *tagexpr = NULL; | |
841 | options_p oo; | |
842 | ||
843 | tagcounter = ++gc_counter; | |
844 | for (oo = opts; oo; oo = oo->next) | |
845 | if (strcmp (oo->name, "desc") == 0) | |
846 | tagexpr = (const char *)oo->info; | |
847 | if (tagexpr == NULL) | |
848 | { | |
849 | tagexpr = "1"; | |
850 | error_at_line (line, "missing `desc' option"); | |
851 | } | |
852 | ||
853 | fprintf (of, "%*s{\n", indent, ""); | |
854 | indent += 2; | |
855 | fprintf (of, "%*sunsigned int tag%d = (", indent, "", tagcounter); | |
856 | output_escaped_param (of, tagexpr, val, prev_val, "desc", line); | |
857 | fputs (");\n", of); | |
858 | } | |
859 | ||
860 | for (f = s->u.s.fields; f; f = f->next) | |
861 | { | |
862 | const char *tagid = NULL; | |
863 | const char *length = NULL; | |
864 | const char *special = NULL; | |
865 | int skip_p = 0; | |
866 | int always_p = 0; | |
867 | int maybe_undef_p = 0; | |
868 | int use_param_p = 0; | |
869 | options_p oo; | |
870 | type_p t = f->type; | |
871 | ||
872 | if (t->kind == TYPE_SCALAR | |
873 | || (t->kind == TYPE_ARRAY | |
874 | && t->u.a.p->kind == TYPE_SCALAR)) | |
875 | continue; | |
876 | ||
877 | for (oo = f->opt; oo; oo = oo->next) | |
878 | if (strcmp (oo->name, "length") == 0) | |
879 | length = (const char *)oo->info; | |
880 | else if (strcmp (oo->name, "maybe_undef") == 0) | |
881 | maybe_undef_p = 1; | |
882 | else if (strcmp (oo->name, "tag") == 0) | |
883 | tagid = (const char *)oo->info; | |
884 | else if (strcmp (oo->name, "special") == 0) | |
885 | special = (const char *)oo->info; | |
886 | else if (strcmp (oo->name, "skip") == 0) | |
887 | skip_p = 1; | |
888 | else if (strcmp (oo->name, "always") == 0) | |
889 | always_p = 1; | |
890 | else if (strcmp (oo->name, "desc") == 0 && UNION_P (t)) | |
891 | ; | |
892 | else if (strcmp (oo->name, "descbits") == 0 && UNION_P (t)) | |
893 | ; | |
894 | else if (strcmp (oo->name, "param_is") == 0) | |
895 | ; | |
896 | else if (strcmp (oo->name, "use_param") == 0) | |
897 | use_param_p = 1; | |
898 | else | |
899 | error_at_line (&f->line, "unknown field option `%s'\n", oo->name); | |
900 | ||
901 | if (skip_p) | |
902 | continue; | |
903 | ||
904 | if (use_param_p) | |
905 | { | |
906 | if (param != NULL) | |
907 | { | |
908 | type_p t1; | |
909 | type_p nt = param; | |
910 | int arraycount = 0; | |
911 | ||
912 | for (t1 = t; t->kind == TYPE_ARRAY; t = t->u.a.p) | |
913 | arraycount++; | |
914 | for (; t->kind == TYPE_POINTER; t = t->u.p) | |
915 | nt = create_pointer (nt); | |
916 | while (arraycount-- > 0) | |
917 | nt = create_array (nt, t->u.a.len); | |
918 | t = nt; | |
919 | } | |
920 | else if (s->kind == TYPE_UNION && ! always_p && tagid) | |
921 | ; | |
922 | else | |
923 | error_at_line (&f->line, "no parameter defined"); | |
924 | } | |
925 | ||
926 | if (maybe_undef_p | |
927 | && (t->kind != TYPE_POINTER | |
928 | || t->u.p->kind != TYPE_STRUCT)) | |
929 | error_at_line (&f->line, | |
930 | "field `%s' has invalid option `maybe_undef_p'\n", | |
931 | f->name); | |
932 | if (s->kind == TYPE_UNION && ! always_p ) | |
933 | { | |
934 | if (! tagid) | |
935 | { | |
936 | error_at_line (&f->line, "field `%s' has no tag", f->name); | |
937 | continue; | |
938 | } | |
939 | fprintf (of, "%*sif (tag%d == (%s)) {\n", indent, "", | |
940 | tagcounter, tagid); | |
941 | indent += 2; | |
942 | } | |
943 | ||
944 | switch (t->kind) | |
945 | { | |
946 | case TYPE_STRING: | |
947 | /* Do nothing; strings go in the string pool. */ | |
948 | break; | |
949 | ||
950 | case TYPE_LANG_STRUCT: | |
951 | { | |
952 | type_p ti; | |
953 | for (ti = t->u.s.lang_struct; ti; ti = ti->next) | |
954 | if (ti->u.s.bitmap & bitmap) | |
955 | { | |
956 | t = ti; | |
957 | break; | |
958 | } | |
959 | if (ti == NULL) | |
960 | { | |
961 | error_at_line (&f->line, | |
962 | "structure not defined for this language"); | |
963 | break; | |
964 | } | |
965 | } | |
966 | /* Fall through... */ | |
967 | case TYPE_STRUCT: | |
968 | case TYPE_UNION: | |
969 | { | |
970 | char *newval; | |
971 | ||
972 | newval = xmalloc (strlen (val) + sizeof (".") + strlen (f->name)); | |
973 | sprintf (newval, "%s.%s", val, f->name); | |
974 | write_gc_structure_fields (of, t, newval, val, f->opt, indent, | |
975 | &f->line, bitmap, param); | |
976 | free (newval); | |
977 | break; | |
978 | } | |
979 | ||
980 | case TYPE_POINTER: | |
981 | if (! length) | |
982 | { | |
983 | if (maybe_undef_p | |
984 | && t->u.p->u.s.line.file == NULL) | |
985 | fprintf (of, "%*sif (%s.%s) abort();\n", indent, "", | |
986 | val, f->name); | |
987 | else if (UNION_OR_STRUCT_P (t->u.p)) | |
988 | fprintf (of, "%*sgt_ggc_m_%s (%s.%s);\n", indent, "", | |
989 | t->u.p->u.s.tag, val, f->name); | |
990 | else if (t->u.p->kind == TYPE_PARAM_STRUCT) | |
991 | fprintf (of, "%*sgt_ggc_mm_%d%s_%s (%s.%s);\n", indent, "", | |
992 | (int) strlen (t->u.p->u.param_struct.param->u.s.tag), | |
993 | t->u.p->u.param_struct.param->u.s.tag, | |
994 | t->u.p->u.param_struct.stru->u.s.tag, | |
995 | val, f->name); | |
996 | else | |
997 | error_at_line (&f->line, "field `%s' is pointer to scalar", | |
998 | f->name); | |
999 | break; | |
1000 | } | |
1001 | else if (t->u.p->kind == TYPE_SCALAR | |
1002 | || t->u.p->kind == TYPE_STRING) | |
1003 | fprintf (of, "%*sggc_mark (%s.%s);\n", indent, "", | |
1004 | val, f->name); | |
1005 | else | |
1006 | { | |
1007 | int loopcounter = ++gc_counter; | |
1008 | ||
1009 | fprintf (of, "%*sif (%s.%s != NULL) {\n", indent, "", | |
1010 | val, f->name); | |
1011 | indent += 2; | |
1012 | fprintf (of, "%*ssize_t i%d;\n", indent, "", loopcounter); | |
1013 | fprintf (of, "%*sggc_set_mark (%s.%s);\n", indent, "", | |
1014 | val, f->name); | |
1015 | fprintf (of, "%*sfor (i%d = 0; i%d < (", indent, "", | |
1016 | loopcounter, loopcounter); | |
1017 | output_escaped_param (of, length, val, prev_val, "length", line); | |
1018 | fprintf (of, "); i%d++) {\n", loopcounter); | |
1019 | indent += 2; | |
1020 | switch (t->u.p->kind) | |
1021 | { | |
1022 | case TYPE_STRUCT: | |
1023 | case TYPE_UNION: | |
1024 | { | |
1025 | char *newval; | |
1026 | ||
1027 | newval = xmalloc (strlen (val) + 8 + strlen (f->name)); | |
1028 | sprintf (newval, "%s.%s[i%d]", val, f->name, loopcounter); | |
1029 | write_gc_structure_fields (of, t->u.p, newval, val, | |
1030 | f->opt, indent, &f->line, | |
1031 | bitmap, param); | |
1032 | free (newval); | |
1033 | break; | |
1034 | } | |
1035 | case TYPE_POINTER: | |
1036 | if (UNION_OR_STRUCT_P (t->u.p->u.p)) | |
1037 | fprintf (of, "%*sgt_ggc_m_%s (%s.%s[i%d]);\n", indent, "", | |
1038 | t->u.p->u.p->u.s.tag, val, f->name, | |
1039 | loopcounter); | |
1040 | else | |
1041 | error_at_line (&f->line, | |
1042 | "field `%s' is array of pointer to scalar", | |
1043 | f->name); | |
1044 | break; | |
1045 | default: | |
1046 | error_at_line (&f->line, | |
1047 | "field `%s' is array of unimplemented type", | |
1048 | f->name); | |
1049 | break; | |
1050 | } | |
1051 | indent -= 2; | |
1052 | fprintf (of, "%*s}\n", indent, ""); | |
1053 | indent -= 2; | |
1054 | fprintf (of, "%*s}\n", indent, ""); | |
1055 | } | |
1056 | break; | |
1057 | ||
1058 | case TYPE_ARRAY: | |
1059 | { | |
1060 | int loopcounter = ++gc_counter; | |
1061 | type_p ta; | |
1062 | int i; | |
1063 | ||
1064 | if (! length && | |
1065 | (strcmp (t->u.a.len, "0") == 0 | |
1066 | || strcmp (t->u.a.len, "1") == 0)) | |
1067 | error_at_line (&f->line, | |
1068 | "field `%s' is array of size %s", | |
1069 | f->name, t->u.a.len); | |
1070 | ||
1071 | /* Arrays of scalars can be ignored. */ | |
1072 | for (ta = t; ta->kind == TYPE_ARRAY; ta = ta->u.a.p) | |
1073 | ; | |
1074 | if (ta->kind == TYPE_SCALAR | |
1075 | || ta->kind == TYPE_STRING) | |
1076 | break; | |
1077 | ||
1078 | fprintf (of, "%*s{\n", indent, ""); | |
1079 | indent += 2; | |
1080 | ||
1081 | if (special != NULL && strcmp (special, "tree_exp") == 0) | |
1082 | { | |
1083 | fprintf (of, "%*sconst size_t tree_exp_size = (", | |
1084 | indent, ""); | |
1085 | output_escaped_param (of, length, val, prev_val, | |
1086 | "length", line); | |
1087 | fputs (");\n", of); | |
1088 | ||
1089 | length = "first_rtl_op (TREE_CODE ((tree)&%h))"; | |
1090 | } | |
1091 | ||
1092 | for (ta = t, i = 0; ta->kind == TYPE_ARRAY; ta = ta->u.a.p, i++) | |
1093 | { | |
1094 | fprintf (of, "%*ssize_t i%d_%d;\n", | |
1095 | indent, "", loopcounter, i); | |
1096 | fprintf (of, "%*sconst size_t ilimit%d_%d = (", | |
1097 | indent, "", loopcounter, i); | |
1098 | if (i == 0 && length != NULL) | |
1099 | output_escaped_param (of, length, val, prev_val, | |
1100 | "length", line); | |
1101 | else | |
1102 | fputs (ta->u.a.len, of); | |
1103 | fputs (");\n", of); | |
1104 | } | |
1105 | ||
1106 | for (ta = t, i = 0; ta->kind == TYPE_ARRAY; ta = ta->u.a.p, i++) | |
1107 | { | |
1108 | fprintf (of, | |
1109 | "%*sfor (i%d_%d = 0; i%d_%d < ilimit%d_%d; i%d_%d++) {\n", | |
1110 | indent, "", loopcounter, i, loopcounter, i, | |
1111 | loopcounter, i, loopcounter, i); | |
1112 | indent += 2; | |
1113 | } | |
1114 | ||
1115 | if (ta->kind == TYPE_POINTER | |
1116 | && (ta->u.p->kind == TYPE_STRUCT | |
1117 | || ta->u.p->kind == TYPE_UNION)) | |
1118 | { | |
1119 | fprintf (of, "%*sgt_ggc_m_%s (%s.%s", | |
1120 | indent, "", ta->u.p->u.s.tag, val, f->name); | |
1121 | for (ta = t, i = 0; | |
1122 | ta->kind == TYPE_ARRAY; | |
1123 | ta = ta->u.a.p, i++) | |
1124 | fprintf (of, "[i%d_%d]", loopcounter, i); | |
1125 | fputs (");\n", of); | |
1126 | } | |
1127 | else if (ta->kind == TYPE_STRUCT || ta->kind == TYPE_UNION) | |
1128 | { | |
1129 | char *newval; | |
1130 | int len; | |
1131 | ||
1132 | len = strlen (val) + strlen (f->name) + 2; | |
1133 | for (ta = t; ta->kind == TYPE_ARRAY; ta = ta->u.a.p) | |
1134 | len += sizeof ("[i_]") + 2*6; | |
1135 | ||
1136 | newval = xmalloc (len); | |
1137 | sprintf (newval, "%s.%s", val, f->name); | |
1138 | for (ta = t, i = 0; | |
1139 | ta->kind == TYPE_ARRAY; | |
1140 | ta = ta->u.a.p, i++) | |
1141 | sprintf (newval + strlen (newval), "[i%d_%d]", | |
1142 | loopcounter, i); | |
1143 | write_gc_structure_fields (of, t->u.p, newval, val, | |
1144 | f->opt, indent, &f->line, bitmap, | |
1145 | param); | |
1146 | free (newval); | |
1147 | } | |
1148 | else if (ta->kind == TYPE_POINTER && ta->u.p->kind == TYPE_SCALAR | |
1149 | && use_param_p && param == NULL) | |
1150 | fprintf (of, "%*sabort();\n", indent, ""); | |
1151 | else | |
1152 | error_at_line (&f->line, | |
1153 | "field `%s' is array of unimplemented type", | |
1154 | f->name); | |
1155 | for (ta = t, i = 0; ta->kind == TYPE_ARRAY; ta = ta->u.a.p, i++) | |
1156 | { | |
1157 | indent -= 2; | |
1158 | fprintf (of, "%*s}\n", indent, ""); | |
1159 | } | |
1160 | ||
1161 | if (special != NULL && strcmp (special, "tree_exp") == 0) | |
1162 | { | |
1163 | fprintf (of, | |
1164 | "%*sfor (; i%d_0 < tree_exp_size; i%d_0++)\n", | |
1165 | indent, "", loopcounter, loopcounter); | |
1166 | fprintf (of, "%*s gt_ggc_m_rtx_def (%s.%s[i%d_0]);\n", | |
1167 | indent, "", val, f->name, loopcounter); | |
1168 | special = NULL; | |
1169 | } | |
1170 | ||
1171 | indent -= 2; | |
1172 | fprintf (of, "%*s}\n", indent, ""); | |
1173 | break; | |
1174 | } | |
1175 | ||
1176 | default: | |
1177 | error_at_line (&f->line, | |
1178 | "field `%s' is unimplemented type", | |
1179 | f->name); | |
1180 | break; | |
1181 | } | |
1182 | ||
1183 | if (s->kind == TYPE_UNION && ! always_p ) | |
1184 | { | |
1185 | indent -= 2; | |
1186 | fprintf (of, "%*s}\n", indent, ""); | |
1187 | } | |
1188 | if (special) | |
1189 | error_at_line (&f->line, "unhandled special `%s'", special); | |
1190 | } | |
1191 | if (s->kind == TYPE_UNION) | |
1192 | { | |
1193 | indent -= 2; | |
1194 | fprintf (of, "%*s}\n", indent, ""); | |
1195 | } | |
1196 | } | |
1197 | ||
1198 | static void | |
1199 | write_gc_marker_routine_for_structure (s, param) | |
1200 | type_p s; | |
1201 | type_p param; | |
1202 | { | |
1203 | FILE *f; | |
1204 | if (param == NULL) | |
1205 | f = get_output_file_with_visibility (s->u.s.line.file); | |
1206 | else | |
1207 | f = get_output_file_with_visibility (param->u.s.line.file); | |
1208 | ||
1209 | fputc ('\n', f); | |
1210 | fputs ("void\n", f); | |
1211 | if (param == NULL) | |
1212 | fprintf (f, "gt_ggc_mx_%s (x_p)\n", s->u.s.tag); | |
1213 | else | |
1214 | fprintf (f, "gt_ggc_mm_%d%s_%s (x_p)\n", (int) strlen (param->u.s.tag), | |
1215 | param->u.s.tag, s->u.s.tag); | |
1216 | fputs (" void *x_p;\n", f); | |
1217 | fputs ("{\n", f); | |
1218 | fprintf (f, " %s %s * const x = (%s %s *)x_p;\n", | |
1219 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
1220 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
1221 | fputs (" if (! ggc_test_and_set_mark (x))\n", f); | |
1222 | fputs (" return;\n", f); | |
1223 | ||
1224 | gc_counter = 0; | |
1225 | write_gc_structure_fields (f, s, "(*x)", "not valid postage", | |
1226 | s->u.s.opt, 2, &s->u.s.line, s->u.s.bitmap, | |
1227 | param); | |
1228 | ||
1229 | fputs ("}\n", f); | |
1230 | } | |
1231 | ||
1232 | ||
1233 | static void | |
1234 | write_gc_types (structures, param_structs) | |
1235 | type_p structures; | |
1236 | type_p param_structs; | |
1237 | { | |
1238 | type_p s; | |
1239 | ||
1240 | fputs ("\n/* GC marker procedures. */\n", header_file); | |
1241 | for (s = structures; s; s = s->next) | |
1242 | if (s->gc_used == GC_POINTED_TO | |
1243 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
1244 | { | |
1245 | options_p opt; | |
1246 | ||
1247 | if (s->gc_used == GC_MAYBE_POINTED_TO | |
1248 | && s->u.s.line.file == NULL) | |
1249 | continue; | |
1250 | ||
1251 | fprintf (header_file, | |
1252 | "#define gt_ggc_m_%s(X) do { \\\n", s->u.s.tag); | |
1253 | fprintf (header_file, | |
1254 | " if (X != NULL) gt_ggc_mx_%s (X);\\\n", s->u.s.tag); | |
1255 | fprintf (header_file, | |
1256 | " } while (0)\n"); | |
1257 | ||
1258 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
1259 | if (strcmp (opt->name, "ptr_alias") == 0) | |
1260 | { | |
1261 | type_p t = (type_p) opt->info; | |
1262 | if (t->kind == TYPE_STRUCT | |
1263 | || t->kind == TYPE_UNION | |
1264 | || t->kind == TYPE_LANG_STRUCT) | |
1265 | fprintf (header_file, | |
1266 | "#define gt_ggc_mx_%s gt_ggc_mx_%s\n", | |
1267 | s->u.s.tag, t->u.s.tag); | |
1268 | else | |
1269 | error_at_line (&s->u.s.line, | |
1270 | "structure alias is not a structure"); | |
1271 | break; | |
1272 | } | |
1273 | if (opt) | |
1274 | continue; | |
1275 | ||
1276 | /* Declare the marker procedure only once. */ | |
1277 | fprintf (header_file, | |
1278 | "extern void gt_ggc_mx_%s PARAMS ((void *));\n", | |
1279 | s->u.s.tag); | |
1280 | ||
1281 | if (s->u.s.line.file == NULL) | |
1282 | { | |
1283 | fprintf (stderr, "warning: structure `%s' used but not defined\n", | |
1284 | s->u.s.tag); | |
1285 | continue; | |
1286 | } | |
1287 | ||
1288 | if (s->kind == TYPE_LANG_STRUCT) | |
1289 | { | |
1290 | type_p ss; | |
1291 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
1292 | write_gc_marker_routine_for_structure (ss, NULL); | |
1293 | } | |
1294 | else | |
1295 | write_gc_marker_routine_for_structure (s, NULL); | |
1296 | } | |
1297 | ||
1298 | for (s = param_structs; s; s = s->next) | |
1299 | if (s->gc_used == GC_POINTED_TO) | |
1300 | { | |
1301 | type_p param = s->u.param_struct.param; | |
1302 | type_p stru = s->u.param_struct.stru; | |
1303 | ||
1304 | if (param->kind != TYPE_STRUCT && param->kind != TYPE_UNION | |
1305 | && param->kind != TYPE_LANG_STRUCT) | |
1306 | { | |
1307 | error_at_line (&s->u.param_struct.line, | |
1308 | "unsupported parameter type"); | |
1309 | continue; | |
1310 | } | |
1311 | ||
1312 | /* Declare the marker procedure. */ | |
1313 | fprintf (header_file, | |
1314 | "extern void gt_ggc_mm_%d%s_%s PARAMS ((void *));\n", | |
1315 | (int) strlen (param->u.s.tag), param->u.s.tag, | |
1316 | stru->u.s.tag); | |
1317 | ||
1318 | if (stru->u.s.line.file == NULL) | |
1319 | { | |
1320 | fprintf (stderr, "warning: structure `%s' used but not defined\n", | |
1321 | s->u.s.tag); | |
1322 | continue; | |
1323 | } | |
1324 | ||
1325 | if (stru->kind == TYPE_LANG_STRUCT) | |
1326 | { | |
1327 | type_p ss; | |
1328 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
1329 | write_gc_marker_routine_for_structure (ss, param); | |
1330 | } | |
1331 | else | |
1332 | write_gc_marker_routine_for_structure (stru, param); | |
1333 | } | |
1334 | } | |
1335 | ||
1336 | static void | |
1337 | put_mangled_filename (f, fn) | |
1338 | FILE *f; | |
1339 | const char *fn; | |
1340 | { | |
1341 | const char *name = get_output_file_name (fn); | |
1342 | for (; *name != 0; name++) | |
1343 | if (isalnum (*name)) | |
1344 | fputc (*name, f); | |
1345 | else | |
1346 | fputc ('_', f); | |
1347 | } | |
1348 | ||
1349 | static void | |
1350 | finish_root_table (flp, pfx, lastname, tname, name) | |
1351 | struct flist *flp; | |
1352 | const char *pfx; | |
1353 | const char *tname; | |
1354 | const char *lastname; | |
1355 | const char *name; | |
1356 | { | |
1357 | struct flist *fli2; | |
1358 | unsigned started_bitmap = 0; | |
1359 | ||
1360 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
1361 | if (fli2->started_p) | |
1362 | { | |
1363 | fprintf (fli2->f, " %s\n", lastname); | |
1364 | fputs ("};\n\n", fli2->f); | |
1365 | } | |
1366 | ||
1367 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
1368 | if (fli2->started_p) | |
1369 | { | |
1370 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
1371 | int fnum; | |
1372 | ||
1373 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
1374 | if (bitmap & 1) | |
1375 | { | |
1376 | fprintf (base_files[fnum], | |
1377 | "extern const struct %s gt_ggc_%s_", | |
1378 | tname, pfx); | |
1379 | put_mangled_filename (base_files[fnum], fli2->name); | |
1380 | fputs ("[];\n", base_files[fnum]); | |
1381 | } | |
1382 | } | |
1383 | ||
1384 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
1385 | if (fli2->started_p) | |
1386 | { | |
1387 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
1388 | int fnum; | |
1389 | ||
1390 | fli2->started_p = 0; | |
1391 | ||
1392 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
1393 | if (bitmap & 1) | |
1394 | { | |
1395 | if (! (started_bitmap & (1 << fnum))) | |
1396 | { | |
1397 | fprintf (base_files [fnum], | |
1398 | "const struct %s * const %s[] = {\n", | |
1399 | tname, name); | |
1400 | started_bitmap |= 1 << fnum; | |
1401 | } | |
1402 | fprintf (base_files[fnum], " gt_ggc_%s_", pfx); | |
1403 | put_mangled_filename (base_files[fnum], fli2->name); | |
1404 | fputs (",\n", base_files[fnum]); | |
1405 | } | |
1406 | } | |
1407 | ||
1408 | { | |
1409 | unsigned bitmap; | |
1410 | int fnum; | |
1411 | ||
1412 | for (bitmap = started_bitmap, fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
1413 | if (bitmap & 1) | |
1414 | { | |
1415 | fputs (" NULL\n", base_files[fnum]); | |
1416 | fputs ("};\n\n", base_files[fnum]); | |
1417 | } | |
1418 | } | |
1419 | } | |
1420 | ||
1421 | static void | |
1422 | write_gc_root (f, v, type, name, has_length, line, if_marked) | |
1423 | FILE *f; | |
1424 | pair_p v; | |
1425 | type_p type; | |
1426 | const char *name; | |
1427 | int has_length; | |
1428 | struct fileloc *line; | |
1429 | const char *if_marked; | |
1430 | { | |
1431 | switch (type->kind) | |
1432 | { | |
1433 | case TYPE_STRUCT: | |
1434 | { | |
1435 | pair_p fld; | |
1436 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
1437 | { | |
1438 | int skip_p = 0; | |
1439 | const char *desc = NULL; | |
1440 | options_p o; | |
1441 | ||
1442 | for (o = fld->opt; o; o = o->next) | |
1443 | if (strcmp (o->name, "skip") == 0) | |
1444 | skip_p = 1; | |
1445 | else if (strcmp (o->name, "desc") == 0) | |
1446 | desc = (const char *)o->info; | |
1447 | else | |
1448 | error_at_line (line, | |
1449 | "field `%s' of global `%s' has unknown option `%s'", | |
1450 | fld->name, name, o->name); | |
1451 | ||
1452 | if (skip_p) | |
1453 | continue; | |
1454 | else if (desc && fld->type->kind == TYPE_UNION) | |
1455 | { | |
1456 | pair_p validf = NULL; | |
1457 | pair_p ufld; | |
1458 | ||
1459 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) | |
1460 | { | |
1461 | const char *tag = NULL; | |
1462 | options_p oo; | |
1463 | ||
1464 | for (oo = ufld->opt; oo; oo = oo->next) | |
1465 | if (strcmp (oo->name, "tag") == 0) | |
1466 | tag = (const char *)oo->info; | |
1467 | if (tag == NULL || strcmp (tag, desc) != 0) | |
1468 | continue; | |
1469 | if (validf != NULL) | |
1470 | error_at_line (line, | |
1471 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", | |
1472 | name, fld->name, validf->name, | |
1473 | name, fld->name, ufld->name, | |
1474 | tag); | |
1475 | validf = ufld; | |
1476 | } | |
1477 | if (validf != NULL) | |
1478 | { | |
1479 | char *newname; | |
1480 | newname = xmalloc (strlen (name) + 3 + strlen (fld->name) | |
1481 | + strlen (validf->name)); | |
1482 | sprintf (newname, "%s.%s.%s", | |
1483 | name, fld->name, validf->name); | |
1484 | write_gc_root (f, v, validf->type, newname, 0, line, | |
1485 | if_marked); | |
1486 | free (newname); | |
1487 | } | |
1488 | } | |
1489 | else if (desc) | |
1490 | error_at_line (line, | |
1491 | "global `%s.%s' has `desc' option but is not union", | |
1492 | name, fld->name); | |
1493 | else | |
1494 | { | |
1495 | char *newname; | |
1496 | newname = xmalloc (strlen (name) + 2 + strlen (fld->name)); | |
1497 | sprintf (newname, "%s.%s", name, fld->name); | |
1498 | write_gc_root (f, v, fld->type, newname, 0, line, if_marked); | |
1499 | free (newname); | |
1500 | } | |
1501 | } | |
1502 | } | |
1503 | break; | |
1504 | ||
1505 | case TYPE_ARRAY: | |
1506 | { | |
1507 | char *newname; | |
1508 | newname = xmalloc (strlen (name) + 4); | |
1509 | sprintf (newname, "%s[0]", name); | |
1510 | write_gc_root (f, v, type->u.a.p, newname, has_length, line, if_marked); | |
1511 | free (newname); | |
1512 | } | |
1513 | break; | |
1514 | ||
1515 | case TYPE_POINTER: | |
1516 | { | |
1517 | type_p ap, tp; | |
1518 | ||
1519 | fputs (" {\n", f); | |
1520 | fprintf (f, " &%s,\n", name); | |
1521 | fputs (" 1", f); | |
1522 | ||
1523 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
1524 | if (ap->u.a.len[0]) | |
1525 | fprintf (f, " * (%s)", ap->u.a.len); | |
1526 | else if (ap == v->type) | |
1527 | fprintf (f, " * (sizeof (%s) / sizeof (%s[0]))", | |
1528 | v->name, v->name); | |
1529 | fputs (",\n", f); | |
1530 | fprintf (f, " sizeof (%s", v->name); | |
1531 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
1532 | fputs ("[0]", f); | |
1533 | fputs ("),\n", f); | |
1534 | ||
1535 | tp = type->u.p; | |
1536 | ||
1537 | if (! has_length && UNION_OR_STRUCT_P (tp)) | |
1538 | { | |
1539 | fprintf (f, " >_ggc_mx_%s\n", tp->u.s.tag); | |
1540 | } | |
1541 | else if (! has_length && tp->kind == TYPE_PARAM_STRUCT) | |
1542 | { | |
1543 | fprintf (f, " >_ggc_mm_%d%s_%s", | |
1544 | (int) strlen (tp->u.param_struct.param->u.s.tag), | |
1545 | tp->u.param_struct.param->u.s.tag, | |
1546 | tp->u.param_struct.stru->u.s.tag); | |
1547 | } | |
1548 | else if (has_length | |
afb0f770 | 1549 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
e2500fed GK |
1550 | { |
1551 | fprintf (f, " >_ggc_ma_%s", name); | |
1552 | } | |
1553 | else | |
1554 | { | |
1555 | error_at_line (line, | |
1556 | "global `%s' is pointer to unimplemented type", | |
1557 | name); | |
1558 | } | |
1559 | if (if_marked) | |
1560 | fprintf (f, ",\n &%s", if_marked); | |
1561 | fputs ("\n },\n", f); | |
1562 | } | |
1563 | break; | |
1564 | ||
1565 | case TYPE_SCALAR: | |
1566 | case TYPE_STRING: | |
1567 | break; | |
1568 | ||
1569 | default: | |
1570 | error_at_line (line, | |
1571 | "global `%s' is unimplemented type", | |
1572 | name); | |
1573 | } | |
1574 | } | |
1575 | ||
1576 | static void | |
1577 | write_gc_roots (variables) | |
1578 | pair_p variables; | |
1579 | { | |
1580 | pair_p v; | |
1581 | struct flist *flp = NULL; | |
1582 | ||
1583 | for (v = variables; v; v = v->next) | |
1584 | { | |
1585 | FILE *f = get_output_file_with_visibility (v->line.file); | |
1586 | struct flist *fli; | |
1587 | const char *length = NULL; | |
1588 | int deletable_p = 0; | |
1589 | options_p o; | |
1590 | ||
1591 | for (o = v->opt; o; o = o->next) | |
1592 | if (strcmp (o->name, "length") == 0) | |
1593 | length = (const char *)o->info; | |
1594 | else if (strcmp (o->name, "deletable") == 0) | |
1595 | deletable_p = 1; | |
1596 | else if (strcmp (o->name, "param_is") == 0) | |
1597 | ; | |
1598 | else if (strcmp (o->name, "if_marked") == 0) | |
1599 | ; | |
1600 | else | |
1601 | error_at_line (&v->line, | |
1602 | "global `%s' has unknown option `%s'", | |
1603 | v->name, o->name); | |
1604 | ||
1605 | for (fli = flp; fli; fli = fli->next) | |
1606 | if (fli->f == f) | |
1607 | break; | |
1608 | if (fli == NULL) | |
1609 | { | |
1610 | fli = xmalloc (sizeof (*fli)); | |
1611 | fli->f = f; | |
1612 | fli->next = flp; | |
1613 | fli->started_p = 0; | |
1614 | fli->name = v->line.file; | |
1615 | flp = fli; | |
1616 | ||
1617 | fputs ("\n/* GC roots. */\n\n", f); | |
1618 | } | |
1619 | ||
1620 | if (! deletable_p | |
1621 | && length | |
1622 | && v->type->kind == TYPE_POINTER | |
1623 | && (v->type->u.p->kind == TYPE_POINTER | |
1624 | || v->type->u.p->kind == TYPE_STRUCT)) | |
1625 | { | |
1626 | fprintf (f, "static void gt_ggc_ma_%s PARAMS ((void *));\n", | |
1627 | v->name); | |
1628 | fprintf (f, "static void\ngt_ggc_ma_%s (x_p)\n void *x_p;\n", | |
1629 | v->name); | |
1630 | fputs ("{\n", f); | |
1631 | fputs (" size_t i;\n", f); | |
1632 | ||
1633 | if (v->type->u.p->kind == TYPE_POINTER) | |
1634 | { | |
1635 | type_p s = v->type->u.p->u.p; | |
1636 | ||
1637 | fprintf (f, " %s %s ** const x = (%s %s **)x_p;\n", | |
1638 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
1639 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
1640 | fputs (" if (ggc_test_and_set_mark (x))\n", f); | |
1641 | fprintf (f, " for (i = 0; i < (%s); i++)\n", length); | |
1642 | if (s->kind != TYPE_STRUCT && s->kind != TYPE_UNION) | |
1643 | { | |
1644 | error_at_line (&v->line, | |
1645 | "global `%s' has unsupported ** type", | |
1646 | v->name); | |
1647 | continue; | |
1648 | } | |
1649 | ||
1650 | fprintf (f, " gt_ggc_m_%s (x[i]);\n", s->u.s.tag); | |
1651 | } | |
1652 | else | |
1653 | { | |
1654 | type_p s = v->type->u.p; | |
1655 | ||
1656 | fprintf (f, " %s %s * const x = (%s %s *)x_p;\n", | |
1657 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
1658 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
1659 | fputs (" if (ggc_test_and_set_mark (x))\n", f); | |
1660 | fprintf (f, " for (i = 0; i < (%s); i++)\n", length); | |
1661 | fputs (" {\n", f); | |
1662 | write_gc_structure_fields (f, s, "x[i]", "x[i]", | |
1663 | v->opt, 8, &v->line, s->u.s.bitmap, | |
1664 | NULL); | |
1665 | fputs (" }\n", f); | |
1666 | } | |
1667 | ||
1668 | fputs ("}\n\n", f); | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | for (v = variables; v; v = v->next) | |
1673 | { | |
1674 | FILE *f = get_output_file_with_visibility (v->line.file); | |
1675 | struct flist *fli; | |
1676 | int skip_p = 0; | |
1677 | int length_p = 0; | |
1678 | options_p o; | |
1679 | ||
1680 | for (o = v->opt; o; o = o->next) | |
1681 | if (strcmp (o->name, "length") == 0) | |
1682 | length_p = 1; | |
1683 | else if (strcmp (o->name, "deletable") == 0 | |
1684 | || strcmp (o->name, "if_marked") == 0) | |
1685 | skip_p = 1; | |
1686 | ||
1687 | if (skip_p) | |
1688 | continue; | |
1689 | ||
1690 | for (fli = flp; fli; fli = fli->next) | |
1691 | if (fli->f == f) | |
1692 | break; | |
1693 | if (! fli->started_p) | |
1694 | { | |
1695 | fli->started_p = 1; | |
1696 | ||
1697 | fputs ("const struct ggc_root_tab gt_ggc_r_", f); | |
1698 | put_mangled_filename (f, v->line.file); | |
1699 | fputs ("[] = {\n", f); | |
1700 | } | |
1701 | ||
1702 | write_gc_root (f, v, v->type, v->name, length_p, &v->line, NULL); | |
1703 | } | |
1704 | ||
1705 | finish_root_table (flp, "r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", | |
1706 | "gt_ggc_rtab"); | |
1707 | ||
1708 | for (v = variables; v; v = v->next) | |
1709 | { | |
1710 | FILE *f = get_output_file_with_visibility (v->line.file); | |
1711 | struct flist *fli; | |
1712 | int skip_p = 1; | |
1713 | options_p o; | |
1714 | ||
1715 | for (o = v->opt; o; o = o->next) | |
1716 | if (strcmp (o->name, "deletable") == 0) | |
1717 | skip_p = 0; | |
1718 | else if (strcmp (o->name, "if_marked") == 0) | |
1719 | skip_p = 1; | |
1720 | ||
1721 | if (skip_p) | |
1722 | continue; | |
1723 | ||
1724 | for (fli = flp; fli; fli = fli->next) | |
1725 | if (fli->f == f) | |
1726 | break; | |
1727 | if (! fli->started_p) | |
1728 | { | |
1729 | fli->started_p = 1; | |
1730 | ||
1731 | fputs ("const struct ggc_root_tab gt_ggc_rd_", f); | |
1732 | put_mangled_filename (f, v->line.file); | |
1733 | fputs ("[] = {\n", f); | |
1734 | } | |
1735 | ||
1736 | fprintf (f, " { &%s, 1, sizeof (%s), NULL },\n", | |
1737 | v->name, v->name); | |
1738 | } | |
1739 | ||
1740 | finish_root_table (flp, "rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", | |
1741 | "gt_ggc_deletable_rtab"); | |
1742 | ||
1743 | for (v = variables; v; v = v->next) | |
1744 | { | |
1745 | FILE *f = get_output_file_with_visibility (v->line.file); | |
1746 | struct flist *fli; | |
1747 | const char *if_marked = NULL; | |
1748 | int length_p = 0; | |
1749 | options_p o; | |
1750 | ||
1751 | for (o = v->opt; o; o = o->next) | |
1752 | if (strcmp (o->name, "length") == 0) | |
1753 | length_p = 1; | |
1754 | else if (strcmp (o->name, "if_marked") == 0) | |
1755 | if_marked = (const char *) o->info; | |
1756 | ||
1757 | if (if_marked == NULL) | |
1758 | continue; | |
1759 | ||
1760 | if (v->type->kind != TYPE_POINTER | |
1761 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
1762 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
1763 | { | |
1764 | error_at_line (&v->line, "if_marked option used but not hash table"); | |
1765 | continue; | |
1766 | } | |
1767 | ||
1768 | for (fli = flp; fli; fli = fli->next) | |
1769 | if (fli->f == f) | |
1770 | break; | |
1771 | if (! fli->started_p) | |
1772 | { | |
1773 | fli->started_p = 1; | |
1774 | ||
1775 | fputs ("const struct ggc_cache_tab gt_ggc_rc_", f); | |
1776 | put_mangled_filename (f, v->line.file); | |
1777 | fputs ("[] = {\n", f); | |
1778 | } | |
1779 | ||
1780 | write_gc_root (f, v, create_pointer (v->type->u.p->u.param_struct.param), | |
1781 | v->name, length_p, &v->line, if_marked); | |
1782 | } | |
1783 | ||
1784 | finish_root_table (flp, "rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", | |
1785 | "gt_ggc_cache_rtab"); | |
1786 | } | |
1787 | ||
1788 | \f | |
1789 | extern int main PARAMS ((int argc, char **argv)); | |
1790 | int | |
1791 | main(argc, argv) | |
1792 | int argc; | |
1793 | char **argv; | |
1794 | { | |
1795 | int i; | |
1796 | static struct fileloc pos = { __FILE__, __LINE__ }; | |
1797 | ||
1798 | do_typedef ("CUMULATIVE_ARGS", | |
1799 | create_scalar_type ("CUMULATIVE_ARGS", | |
1800 | strlen ("CUMULATIVE_ARGS")), | |
1801 | &pos); | |
1802 | do_typedef ("REAL_VALUE_TYPE", | |
1803 | create_scalar_type ("REAL_VALUE_TYPE", | |
1804 | strlen ("REAL_VALUE_TYPE")), | |
1805 | &pos); | |
1806 | do_typedef ("PTR", create_pointer (create_scalar_type ("void", | |
1807 | strlen ("void"))), | |
1808 | &pos); | |
1809 | ||
1810 | for (i = 1; i < argc; i++) | |
1811 | parse_file (argv[i]); | |
1812 | ||
1813 | if (hit_error != 0) | |
1814 | exit (1); | |
1815 | ||
1816 | set_gc_used (variables); | |
1817 | ||
1818 | open_base_files (); | |
1819 | write_gc_types (structures, param_structs); | |
1820 | write_gc_roots (variables); | |
1821 | close_output_files (); | |
1822 | ||
1823 | return (hit_error != 0); | |
1824 | } |