Commit | Line | Data |
---|---|---|
9bf86ebb PR |
1 | /* Code for handling XREF output from GNU C++. |
2 | Copyright (C) 1992, 1993 Free Software Foundation, Inc. | |
3 | Contributed by Michael Tiemann (tiemann@cygnus.com) | |
4 | ||
5 | This file is part of GNU CC. | |
6 | ||
7 | GNU CC is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GNU CC is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU CC; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
20 | ||
21 | ||
22 | #include "config.h" | |
23 | #include "tree.h" | |
24 | #include <stdio.h> | |
25 | #include "cp-tree.h" | |
26 | #include "input.h" | |
27 | ||
28 | #include <ctype.h> | |
29 | ||
30 | extern char *getpwd (); | |
31 | ||
32 | extern char *index (); | |
33 | extern char *rindex (); | |
34 | ||
35 | /* The character(s) used to join a directory specification (obtained with | |
36 | getwd or equivalent) with a non-absolute file name. */ | |
37 | ||
38 | #ifndef FILE_NAME_JOINER | |
39 | #define FILE_NAME_JOINER "/" | |
40 | #endif | |
41 | ||
42 | /* Nonzero if NAME as a file name is absolute. */ | |
43 | #ifndef FILE_NAME_ABSOLUTE_P | |
44 | #define FILE_NAME_ABSOLUTE_P(NAME) (NAME[0] == '/') | |
45 | #endif | |
46 | ||
47 | /* For cross referencing. */ | |
48 | ||
49 | int flag_gnu_xref; | |
50 | ||
51 | /************************************************************************/ | |
52 | /* */ | |
53 | /* Common definitions */ | |
54 | /* */ | |
55 | /************************************************************************/ | |
56 | ||
57 | #ifndef TRUE | |
58 | #define TRUE 1 | |
59 | #endif | |
60 | #ifndef FALSE | |
61 | #define FALSE 0 | |
62 | #endif | |
63 | #ifndef NULL | |
64 | #define NULL 0 | |
65 | #endif | |
66 | ||
67 | #define PALLOC(typ) ((typ *) calloc(1,sizeof(typ))) | |
68 | ||
69 | ||
70 | /* Return a malloc'd copy of STR. */ | |
71 | #define SALLOC(str) \ | |
72 | ((char *) ((str) == NULL ? NULL \ | |
73 | : (char *) strcpy ((char *) malloc (strlen ((str)) + 1), (str)))) | |
74 | #define SFREE(str) (str != NULL && (free(str),0)) | |
75 | ||
76 | #define STREQL(s1,s2) (strcmp((s1),(s2)) == 0) | |
77 | #define STRNEQ(s1,s2) (strcmp((s1),(s2)) != 0) | |
78 | #define STRLSS(s1,s2) (strcmp((s1),(s2)) < 0) | |
79 | #define STRLEQ(s1,s2) (strcmp((s1),(s2)) <= 0) | |
80 | #define STRGTR(s1,s2) (strcmp((s1),(s2)) > 0) | |
81 | #define STRGEQ(s1,s2) (strcmp((s1),(s2)) >= 0) | |
82 | ||
83 | /************************************************************************/ | |
84 | /* */ | |
85 | /* Type definitions */ | |
86 | /* */ | |
87 | /************************************************************************/ | |
88 | ||
89 | ||
90 | typedef struct _XREF_FILE * XREF_FILE; | |
91 | typedef struct _XREF_SCOPE * XREF_SCOPE; | |
92 | ||
93 | typedef struct _XREF_FILE | |
94 | { | |
95 | char *name; | |
96 | char *outname; | |
97 | XREF_FILE next; | |
98 | } XREF_FILE_INFO; | |
99 | ||
100 | typedef struct _XREF_SCOPE | |
101 | { | |
102 | int gid; | |
103 | int lid; | |
104 | XREF_FILE file; | |
105 | int start; | |
106 | XREF_SCOPE outer; | |
107 | } XREF_SCOPE_INFO; | |
108 | ||
109 | /************************************************************************/ | |
110 | /* */ | |
111 | /* Local storage */ | |
112 | /* */ | |
113 | /************************************************************************/ | |
114 | ||
115 | static char doing_xref = 0; | |
116 | static FILE * xref_file = NULL; | |
117 | static char xref_name[1024]; | |
118 | static XREF_FILE all_files = NULL; | |
119 | static char * wd_name = NULL; | |
120 | static XREF_SCOPE cur_scope = NULL; | |
121 | static int scope_ctr = 0; | |
122 | static XREF_FILE last_file = NULL; | |
123 | static tree last_fndecl = NULL; | |
124 | ||
125 | /************************************************************************/ | |
126 | /* */ | |
127 | /* Forward definitions */ | |
128 | /* */ | |
129 | /************************************************************************/ | |
130 | ||
131 | extern void GNU_xref_begin(); | |
132 | extern void GNU_xref_end(); | |
133 | extern void GNU_xref_file(); | |
134 | extern void GNU_xref_start_scope(); | |
135 | extern void GNU_xref_end_scope(); | |
136 | extern void GNU_xref_ref(); | |
137 | extern void GNU_xref_decl(); | |
138 | extern void GNU_xref_call(); | |
139 | extern void GNU_xref_function(); | |
140 | extern void GNU_xref_assign(); | |
141 | extern void GNU_xref_hier(); | |
142 | extern void GNU_xref_member(); | |
143 | ||
144 | static void gen_assign(); | |
145 | static XREF_FILE find_file(); | |
146 | static char * filename(); | |
147 | static char * fctname(); | |
148 | static char * declname(); | |
149 | static void simplify_type(); | |
150 | static char * fixname(); | |
151 | static void open_xref_file(); | |
152 | ||
153 | extern char * type_as_string(); | |
154 | ||
155 | /* Start cross referencing. FILE is the name of the file we xref. */ | |
156 | ||
157 | void | |
158 | GNU_xref_begin (file) | |
159 | char *file; | |
160 | { | |
161 | doing_xref = 1; | |
162 | ||
163 | if (file != NULL && STRNEQ (file,"-")) | |
164 | { | |
165 | open_xref_file(file); | |
166 | GNU_xref_file(file); | |
167 | } | |
168 | } | |
169 | ||
170 | /* Finish cross-referencing. ERRCNT is the number of errors | |
171 | we encountered. */ | |
172 | ||
173 | void | |
174 | GNU_xref_end (ect) | |
175 | int ect; | |
176 | { | |
177 | XREF_FILE xf; | |
178 | ||
179 | if (!doing_xref) return; | |
180 | ||
181 | xf = find_file (input_filename); | |
182 | if (xf == NULL) return; | |
183 | ||
184 | while (cur_scope != NULL) | |
185 | GNU_xref_end_scope(cur_scope->gid,0,0,0,0); | |
186 | ||
187 | doing_xref = 0; | |
188 | ||
189 | if (xref_file == NULL) return; | |
190 | ||
191 | fclose (xref_file); | |
192 | ||
193 | xref_file = NULL; | |
194 | all_files = NULL; | |
195 | ||
196 | if (ect > 0) unlink (xref_name); | |
197 | } | |
198 | ||
199 | /* Write out xref for file named NAME. */ | |
200 | ||
201 | void | |
202 | GNU_xref_file (name) | |
203 | char *name; | |
204 | { | |
205 | XREF_FILE xf; | |
206 | ||
207 | if (!doing_xref || name == NULL) return; | |
208 | ||
209 | if (xref_file == NULL) | |
210 | { | |
211 | open_xref_file (name); | |
212 | if (!doing_xref) return; | |
213 | } | |
214 | ||
215 | if (all_files == NULL) | |
216 | fprintf(xref_file,"SCP * 0 0 0 0 RESET\n"); | |
217 | ||
218 | xf = find_file (name); | |
219 | if (xf != NULL) return; | |
220 | ||
221 | xf = PALLOC (XREF_FILE_INFO); | |
222 | xf->name = SALLOC (name); | |
223 | xf->next = all_files; | |
224 | all_files = xf; | |
225 | ||
226 | if (wd_name == NULL) | |
227 | wd_name = getpwd (); | |
228 | ||
229 | if (FILE_NAME_ABSOLUTE_P (name) || ! wd_name) | |
230 | xf->outname = xf->name; | |
231 | else | |
232 | { | |
233 | char *nmbuf | |
234 | = (char *) malloc (strlen (wd_name) + strlen (FILE_NAME_JOINER) | |
235 | + strlen (name) + 1); | |
236 | sprintf (nmbuf, "%s%s%s", wd_name, FILE_NAME_JOINER, name); | |
237 | name = nmbuf; | |
238 | xf->outname = nmbuf; | |
239 | } | |
240 | ||
241 | fprintf (xref_file, "FIL %s %s 0\n", name, wd_name); | |
242 | ||
243 | filename (xf); | |
244 | fctname (NULL); | |
245 | } | |
246 | ||
247 | /* Start a scope identified at level ID. */ | |
248 | ||
249 | void | |
250 | GNU_xref_start_scope (id) | |
251 | HOST_WIDE_INT id; | |
252 | { | |
253 | XREF_SCOPE xs; | |
254 | XREF_FILE xf; | |
255 | ||
256 | if (!doing_xref) return; | |
257 | xf = find_file (input_filename); | |
258 | ||
259 | xs = PALLOC (XREF_SCOPE_INFO); | |
260 | xs->file = xf; | |
261 | xs->start = lineno; | |
262 | if (xs->start <= 0) xs->start = 1; | |
263 | xs->gid = id; | |
264 | xs->lid = ++scope_ctr; | |
265 | xs->outer = cur_scope; | |
266 | cur_scope = xs; | |
267 | } | |
268 | ||
269 | /* Finish a scope at level ID. | |
270 | INID is ??? | |
271 | PRM is ??? | |
272 | KEEP is nonzero iff this scope is retained (nonzero if it's | |
273 | a compiler-generated invisible scope). | |
274 | TRNS is ??? */ | |
275 | ||
276 | void | |
277 | GNU_xref_end_scope (id,inid,prm,keep,trns) | |
278 | HOST_WIDE_INT id; | |
279 | HOST_WIDE_INT inid; | |
280 | int prm,keep,trns; | |
281 | { | |
282 | XREF_FILE xf; | |
283 | XREF_SCOPE xs,lxs,oxs; | |
284 | char *stype; | |
285 | ||
286 | if (!doing_xref) return; | |
287 | xf = find_file (input_filename); | |
288 | if (xf == NULL) return; | |
289 | ||
290 | lxs = NULL; | |
291 | for (xs = cur_scope; xs != NULL; xs = xs->outer) | |
292 | { | |
293 | if (xs->gid == id) break; | |
294 | lxs = xs; | |
295 | } | |
296 | if (xs == NULL) return; | |
297 | ||
298 | if (inid != 0) { | |
299 | for (oxs = cur_scope; oxs != NULL; oxs = oxs->outer) { | |
300 | if (oxs->gid == inid) break; | |
301 | } | |
302 | if (oxs == NULL) return; | |
303 | inid = oxs->lid; | |
304 | } | |
305 | ||
306 | if (prm == 2) stype = "SUE"; | |
307 | else if (prm != 0) stype = "ARGS"; | |
308 | else if (keep == 2 || inid != 0) stype = "INTERN"; | |
309 | else stype = "EXTERN"; | |
310 | ||
311 | fprintf (xref_file,"SCP %s %d %d %d %d %s\n", | |
312 | filename (xf), xs->start, lineno,xs->lid, inid, stype); | |
313 | ||
314 | if (lxs == NULL) cur_scope = xs->outer; | |
315 | else lxs->outer = xs->outer; | |
316 | ||
317 | free (xs); | |
318 | } | |
319 | ||
320 | /* Output a reference to NAME in FNDECL. */ | |
321 | ||
322 | void | |
323 | GNU_xref_ref (fndecl,name) | |
324 | tree fndecl; | |
325 | char *name; | |
326 | { | |
327 | XREF_FILE xf; | |
328 | ||
329 | if (!doing_xref) return; | |
330 | xf = find_file (input_filename); | |
331 | if (xf == NULL) return; | |
332 | ||
333 | fprintf (xref_file, "REF %s %d %s %s\n", | |
334 | filename (xf), lineno, fctname (fndecl), name); | |
335 | } | |
336 | ||
337 | /* Output a reference to DECL in FNDECL. */ | |
338 | ||
339 | void | |
340 | GNU_xref_decl (fndecl,decl) | |
341 | tree fndecl; | |
342 | tree decl; | |
343 | { | |
344 | XREF_FILE xf,xf1; | |
345 | char *cls; | |
346 | char *name; | |
347 | char buf[10240]; | |
348 | int uselin; | |
349 | ||
350 | if (!doing_xref) return; | |
351 | xf = find_file (input_filename); | |
352 | if (xf == NULL) return; | |
353 | ||
354 | uselin = FALSE; | |
355 | ||
356 | if (TREE_CODE (decl) == TYPE_DECL) cls = "TYPEDEF"; | |
357 | else if (TREE_CODE (decl) == FIELD_DECL) cls = "FIELD"; | |
358 | else if (TREE_CODE (decl) == VAR_DECL) | |
359 | { | |
360 | if (fndecl == NULL && TREE_STATIC(decl) | |
361 | && TREE_READONLY(decl) && DECL_INITIAL(decl) != 0 | |
362 | && !TREE_PUBLIC(decl) && !DECL_EXTERNAL(decl) | |
363 | && DECL_MODE(decl) != BLKmode) cls = "CONST"; | |
364 | else if (DECL_EXTERNAL(decl)) cls = "EXTERN"; | |
365 | else if (TREE_PUBLIC(decl)) cls = "EXTDEF"; | |
366 | else if (TREE_STATIC(decl)) cls = "STATIC"; | |
367 | else if (DECL_REGISTER(decl)) cls = "REGISTER"; | |
368 | else cls = "AUTO"; | |
369 | } | |
370 | else if (TREE_CODE (decl) == PARM_DECL) cls = "PARAM"; | |
371 | else if (TREE_CODE (decl) == FIELD_DECL) cls = "FIELD"; | |
372 | else if (TREE_CODE (decl) == CONST_DECL) cls = "CONST"; | |
373 | else if (TREE_CODE (decl) == FUNCTION_DECL) | |
374 | { | |
375 | if (DECL_EXTERNAL (decl)) cls = "EXTERN"; | |
376 | else if (TREE_PUBLIC (decl)) cls = "EFUNCTION"; | |
377 | else cls = "SFUNCTION"; | |
378 | } | |
379 | else if (TREE_CODE (decl) == LABEL_DECL) cls = "LABEL"; | |
380 | else if (TREE_CODE (decl) == UNION_TYPE) | |
381 | { | |
382 | cls = "UNIONID"; | |
383 | decl = TYPE_NAME (decl); | |
384 | uselin = TRUE; | |
385 | } | |
386 | else if (TREE_CODE (decl) == RECORD_TYPE) | |
387 | { | |
388 | if (CLASSTYPE_DECLARED_CLASS (decl)) cls = "CLASSID"; | |
389 | else cls = "STRUCTID"; | |
390 | decl = TYPE_NAME (decl); | |
391 | uselin = TRUE; | |
392 | } | |
393 | else if (TREE_CODE (decl) == ENUMERAL_TYPE) | |
394 | { | |
395 | cls = "ENUMID"; | |
396 | decl = TYPE_NAME (decl); | |
397 | uselin = TRUE; | |
398 | } | |
399 | else cls = "UNKNOWN"; | |
400 | ||
401 | if (decl == NULL || DECL_NAME (decl) == NULL) return; | |
402 | ||
403 | if (uselin && decl->decl.linenum > 0 && decl->decl.filename != NULL) | |
404 | { | |
405 | xf1 = find_file (decl->decl.filename); | |
406 | if (xf1 != NULL) | |
407 | { | |
408 | lineno = decl->decl.linenum; | |
409 | xf = xf1; | |
410 | } | |
411 | } | |
412 | ||
413 | if (DECL_ASSEMBLER_NAME (decl)) | |
414 | name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)); | |
415 | else | |
416 | name = IDENTIFIER_POINTER (DECL_NAME (decl)); | |
417 | ||
418 | strcpy (buf, type_as_string (TREE_TYPE (decl))); | |
419 | simplify_type (buf); | |
420 | ||
421 | fprintf (xref_file, "DCL %s %d %s %d %s %s %s\n", | |
422 | filename(xf), lineno, name, | |
423 | (cur_scope != NULL ? cur_scope->lid : 0), | |
424 | cls, fctname(fndecl), buf); | |
425 | ||
426 | if (STREQL (cls, "STRUCTID") || STREQL (cls, "UNIONID")) | |
427 | { | |
428 | cls = "CLASSID"; | |
429 | fprintf (xref_file, "DCL %s %d %s %d %s %s %s\n", | |
430 | filename(xf), lineno,name, | |
431 | (cur_scope != NULL ? cur_scope->lid : 0), | |
432 | cls, fctname(fndecl), buf); | |
433 | } | |
434 | } | |
435 | ||
436 | /* Output a reference to a call to NAME in FNDECL. */ | |
437 | ||
438 | void | |
439 | GNU_xref_call (fndecl, name) | |
440 | tree fndecl; | |
441 | char *name; | |
442 | { | |
443 | XREF_FILE xf; | |
444 | char buf[1024]; | |
445 | char *s; | |
446 | ||
447 | if (!doing_xref) return; | |
448 | xf = find_file (input_filename); | |
449 | if (xf == NULL) return; | |
450 | name = fixname (name, buf); | |
451 | ||
452 | for (s = name; *s != 0; ++s) | |
453 | if (*s == '_' && s[1] == '_') break; | |
454 | if (*s != 0) GNU_xref_ref (fndecl, name); | |
455 | ||
456 | fprintf (xref_file, "CAL %s %d %s %s\n", | |
457 | filename (xf), lineno, name, fctname (fndecl)); | |
458 | } | |
459 | ||
460 | /* Output cross-reference info about FNDECL. If non-NULL, | |
461 | ARGS are the arguments for the function (i.e., before the FUNCTION_DECL | |
462 | has been fully built). */ | |
463 | ||
464 | void | |
465 | GNU_xref_function (fndecl, args) | |
466 | tree fndecl; | |
467 | tree args; | |
468 | { | |
469 | XREF_FILE xf; | |
470 | int ct; | |
471 | char buf[1024]; | |
472 | ||
473 | if (!doing_xref) return; | |
474 | xf = find_file (input_filename); | |
475 | if (xf == NULL) return; | |
476 | ||
477 | ct = 0; | |
478 | buf[0] = 0; | |
479 | if (args == NULL) args = DECL_ARGUMENTS (fndecl); | |
480 | ||
481 | GNU_xref_decl (NULL, fndecl); | |
482 | ||
483 | for ( ; args != NULL; args = TREE_CHAIN (args)) | |
484 | { | |
485 | GNU_xref_decl (fndecl,args); | |
486 | if (ct != 0) strcat (buf,","); | |
487 | strcat (buf, declname (args)); | |
488 | ++ct; | |
489 | } | |
490 | ||
491 | fprintf (xref_file, "PRC %s %d %s %d %d %s\n", | |
492 | filename(xf), lineno, declname(fndecl), | |
493 | (cur_scope != NULL ? cur_scope->lid : 0), | |
494 | ct, buf); | |
495 | } | |
496 | ||
497 | /* Output cross-reference info about an assignment to NAME. */ | |
498 | ||
499 | void | |
500 | GNU_xref_assign(name) | |
501 | tree name; | |
502 | { | |
503 | XREF_FILE xf; | |
504 | ||
505 | if (!doing_xref) return; | |
506 | xf = find_file(input_filename); | |
507 | if (xf == NULL) return; | |
508 | ||
509 | gen_assign(xf, name); | |
510 | } | |
511 | ||
512 | static void | |
513 | gen_assign(xf, name) | |
514 | XREF_FILE xf; | |
515 | tree name; | |
516 | { | |
517 | char *s; | |
518 | ||
519 | s = NULL; | |
520 | ||
521 | switch (TREE_CODE (name)) | |
522 | { | |
523 | case IDENTIFIER_NODE : | |
524 | s = IDENTIFIER_POINTER(name); | |
525 | break; | |
526 | case VAR_DECL : | |
527 | s = declname(name); | |
528 | break; | |
529 | case COMPONENT_REF : | |
530 | gen_assign(xf, TREE_OPERAND(name, 0)); | |
531 | gen_assign(xf, TREE_OPERAND(name, 1)); | |
532 | break; | |
533 | case INDIRECT_REF : | |
534 | case OFFSET_REF : | |
535 | case ARRAY_REF : | |
536 | case BUFFER_REF : | |
537 | gen_assign(xf, TREE_OPERAND(name, 0)); | |
538 | break; | |
539 | case COMPOUND_EXPR : | |
540 | gen_assign(xf, TREE_OPERAND(name, 1)); | |
541 | break; | |
542 | default : | |
543 | break; | |
544 | } | |
545 | ||
546 | if (s != NULL) | |
547 | fprintf(xref_file, "ASG %s %d %s\n", filename(xf), lineno, s); | |
548 | } | |
549 | ||
550 | /* Output cross-reference info about a class hierarchy. | |
551 | CLS is the class type of interest. BASE is a baseclass | |
552 | for CLS. PUB and VIRT give the visibility info about | |
553 | the class derivation. FRND is nonzero iff BASE is a friend | |
554 | of CLS. | |
555 | ||
556 | ??? Needs to handle nested classes. */ | |
557 | void | |
558 | GNU_xref_hier(cls, base, pub, virt, frnd) | |
559 | char *cls; | |
560 | char *base; | |
561 | int pub; | |
562 | int virt; | |
563 | int frnd; | |
564 | { | |
565 | XREF_FILE xf; | |
566 | ||
567 | if (!doing_xref) return; | |
568 | xf = find_file(input_filename); | |
569 | if (xf == NULL) return; | |
570 | ||
571 | fprintf(xref_file, "HIE %s %d %s %s %d %d %d\n", | |
572 | filename(xf), lineno, cls, base, pub, virt, frnd); | |
573 | } | |
574 | ||
575 | /* Output cross-reference info about class members. CLS | |
576 | is the containing type; FLD is the class member. */ | |
577 | ||
578 | void | |
579 | GNU_xref_member(cls, fld) | |
580 | tree cls; | |
581 | tree fld; | |
582 | { | |
583 | XREF_FILE xf; | |
584 | char *prot; | |
585 | int confg, pure; | |
586 | char *d; | |
587 | int i; | |
588 | char buf[1024], bufa[1024]; | |
589 | ||
590 | if (!doing_xref) return; | |
591 | xf = find_file(fld->decl.filename); | |
592 | if (xf == NULL) return; | |
593 | ||
594 | if (TREE_PRIVATE (fld)) prot = "PRIVATE"; | |
595 | else if (TREE_PROTECTED(fld)) prot = "PROTECTED"; | |
596 | else prot = "PUBLIC"; | |
597 | ||
598 | confg = 0; | |
599 | if (TREE_CODE (fld) == FUNCTION_DECL && DECL_CONST_MEMFUNC_P(fld)) | |
600 | confg = 1; | |
601 | else if (TREE_CODE (fld) == CONST_DECL) | |
602 | confg = 1; | |
603 | ||
604 | pure = 0; | |
605 | if (TREE_CODE (fld) == FUNCTION_DECL && DECL_ABSTRACT_VIRTUAL_P(fld)) | |
606 | pure = 1; | |
607 | ||
608 | d = IDENTIFIER_POINTER(cls); | |
609 | sprintf(buf, "%d%s", strlen(d), d); | |
610 | i = strlen(buf); | |
611 | strcpy(bufa, declname(fld)); | |
612 | ||
613 | #ifdef XREF_SHORT_MEMBER_NAMES | |
614 | for (p = &bufa[1]; *p != 0; ++p) | |
615 | { | |
616 | if (p[0] == '_' && p[1] == '_' && p[2] >= '0' && p[2] <= '9') { | |
617 | if (strncmp(&p[2], buf, i) == 0) *p = 0; | |
618 | break; | |
619 | } | |
620 | else if (p[0] == '_' && p[1] == '_' && p[2] == 'C' && p[3] >= '0' && p[3] <= '9') { | |
621 | if (strncmp(&p[3], buf, i) == 0) *p = 0; | |
622 | break; | |
623 | } | |
624 | } | |
625 | #endif | |
626 | ||
627 | fprintf(xref_file, "MEM %s %d %s %s %s %d %d %d %d %d %d %d\n", | |
628 | filename(xf), fld->decl.linenum, d, bufa, prot, | |
629 | (TREE_CODE (fld) == FUNCTION_DECL ? 0 : 1), | |
630 | (DECL_INLINE (fld) ? 1 : 0), | |
631 | (DECL_FRIEND_P(fld) ? 1 : 0), | |
632 | (DECL_VINDEX(fld) ? 1 : 0), | |
633 | (TREE_STATIC(fld) ? 1 : 0), | |
634 | pure, confg); | |
635 | } | |
636 | ||
637 | /* Find file entry given name. */ | |
638 | ||
639 | static XREF_FILE | |
640 | find_file(name) | |
641 | char *name; | |
642 | { | |
643 | XREF_FILE xf; | |
644 | ||
645 | for (xf = all_files; xf != NULL; xf = xf->next) { | |
646 | if (STREQL(name, xf->name)) break; | |
647 | } | |
648 | ||
649 | return xf; | |
650 | } | |
651 | ||
652 | /* Return filename for output purposes. */ | |
653 | ||
654 | static char * | |
655 | filename(xf) | |
656 | XREF_FILE xf; | |
657 | { | |
658 | if (xf == NULL) { | |
659 | last_file = NULL; | |
660 | return "*"; | |
661 | } | |
662 | ||
663 | if (last_file == xf) return "*"; | |
664 | ||
665 | last_file = xf; | |
666 | ||
667 | return xf->outname; | |
668 | } | |
669 | ||
670 | /* Return function name for output purposes. */ | |
671 | ||
672 | static char * | |
673 | fctname(fndecl) | |
674 | tree fndecl; | |
675 | { | |
676 | static char fctbuf[1024]; | |
677 | char *s; | |
678 | ||
679 | if (fndecl == NULL && last_fndecl == NULL) return "*"; | |
680 | ||
681 | if (fndecl == NULL) | |
682 | { | |
683 | last_fndecl = NULL; | |
684 | return "*TOP*"; | |
685 | } | |
686 | ||
687 | if (fndecl == last_fndecl) return "*"; | |
688 | ||
689 | last_fndecl = fndecl; | |
690 | ||
691 | s = declname(fndecl); | |
692 | s = fixname(s, fctbuf); | |
693 | ||
694 | return s; | |
695 | } | |
696 | ||
697 | /* Return decl name for output purposes. */ | |
698 | ||
699 | static char * | |
700 | declname(dcl) | |
701 | tree dcl; | |
702 | { | |
703 | if (DECL_NAME (dcl) == NULL) return "?"; | |
704 | ||
705 | if (DECL_ASSEMBLER_NAME (dcl)) | |
706 | return IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (dcl)); | |
707 | else | |
708 | return IDENTIFIER_POINTER (DECL_NAME (dcl)); | |
709 | } | |
710 | ||
711 | /* Simplify a type string by removing unneeded parenthesis. */ | |
712 | ||
713 | static void | |
714 | simplify_type(typ) | |
715 | char *typ; | |
716 | { | |
717 | char *s; | |
718 | int lvl, i; | |
719 | ||
720 | i = strlen(typ); | |
721 | while (i > 0 && isspace(typ[i-1])) typ[--i] = 0; | |
722 | ||
723 | if (i > 7 && STREQL(&typ[i-5], "const")) | |
724 | { | |
725 | typ[i-5] = 0; | |
726 | i -= 5; | |
727 | } | |
728 | ||
729 | if (typ[i-1] != ')') return; | |
730 | ||
731 | s = &typ[i-2]; | |
732 | lvl = 1; | |
733 | while (*s != 0) { | |
734 | if (*s == ')') ++lvl; | |
735 | else if (*s == '(') | |
736 | { | |
737 | --lvl; | |
738 | if (lvl == 0) | |
739 | { | |
740 | s[1] = ')'; | |
741 | s[2] = 0; | |
742 | break; | |
743 | } | |
744 | } | |
745 | --s; | |
746 | } | |
747 | ||
748 | if (*s != 0 && s[-1] == ')') | |
749 | { | |
750 | --s; | |
751 | --s; | |
752 | if (*s == '(') s[2] = 0; | |
753 | else if (*s == ':') { | |
754 | while (*s != '(') --s; | |
755 | s[1] = ')'; | |
756 | s[2] = 0; | |
757 | } | |
758 | } | |
759 | } | |
760 | ||
761 | /* Fixup a function name (take care of embedded spaces). */ | |
762 | ||
763 | static char * | |
764 | fixname(nam, buf) | |
765 | char *nam; | |
766 | char *buf; | |
767 | { | |
768 | char *s, *t; | |
769 | int fg; | |
770 | ||
771 | s = nam; | |
772 | t = buf; | |
773 | fg = 0; | |
774 | ||
775 | while (*s != 0) | |
776 | { | |
777 | if (*s == ' ') | |
778 | { | |
779 | *t++ = '\36'; | |
780 | ++fg; | |
781 | } | |
782 | else *t++ = *s; | |
783 | ++s; | |
784 | } | |
785 | *t = 0; | |
786 | ||
787 | if (fg == 0) return nam; | |
788 | ||
789 | return buf; | |
790 | } | |
791 | ||
792 | /* Open file for xrefing. */ | |
793 | ||
794 | static void | |
795 | open_xref_file(file) | |
796 | char *file; | |
797 | { | |
798 | char *s, *t; | |
799 | ||
800 | #ifdef XREF_FILE_NAME | |
801 | XREF_FILE_NAME (xref_name, file); | |
802 | #else | |
803 | s = rindex (file, '/'); | |
804 | if (s == NULL) | |
805 | sprintf (xref_name, ".%s.gxref", file); | |
806 | else | |
807 | { | |
808 | ++s; | |
809 | strcpy (xref_name, file); | |
810 | t = rindex (xref_name, '/'); | |
811 | ++t; | |
812 | *t++ = '.'; | |
813 | strcpy (t, s); | |
814 | strcat (t, ".gxref"); | |
815 | } | |
816 | #endif /* no XREF_FILE_NAME */ | |
817 | ||
818 | xref_file = fopen(xref_name, "w"); | |
819 | ||
820 | if (xref_file == NULL) | |
821 | { | |
822 | error("Can't create cross-reference file `%s'", xref_name); | |
823 | doing_xref = 0; | |
824 | } | |
825 | } |