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e2500fed | 1 | /* Process source files and output type information. |
2d593c86 | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
62e5bf5d | 3 | Free Software Foundation, Inc. |
e2500fed | 4 | |
9dcd6f09 | 5 | This file is part of GCC. |
e2500fed | 6 | |
9dcd6f09 NC |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 3, or (at your option) any later | |
10 | version. | |
e2500fed | 11 | |
9dcd6f09 NC |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
e2500fed | 16 | |
9dcd6f09 NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
e2500fed | 20 | |
4977bab6 | 21 | #include "bconfig.h" |
e2500fed | 22 | #include "system.h" |
e2500fed | 23 | #include "gengtype.h" |
4a399aef | 24 | #include "errors.h" /* for fatal */ |
df582833 | 25 | #include "double-int.h" |
5ba6918e | 26 | |
065ae611 ZW |
27 | /* Data types, macros, etc. used only in this file. */ |
28 | ||
29 | /* Kinds of types we can understand. */ | |
30 | enum typekind { | |
31 | TYPE_SCALAR, | |
32 | TYPE_STRING, | |
33 | TYPE_STRUCT, | |
34 | TYPE_UNION, | |
35 | TYPE_POINTER, | |
36 | TYPE_ARRAY, | |
37 | TYPE_LANG_STRUCT, | |
38 | TYPE_PARAM_STRUCT | |
39 | }; | |
40 | ||
41 | typedef unsigned lang_bitmap; | |
42 | ||
43 | /* A way to pass data through to the output end. */ | |
44 | struct options | |
45 | { | |
46 | struct options *next; | |
47 | const char *name; | |
48 | const char *info; | |
49 | }; | |
50 | ||
51 | /* Option data for the 'nested_ptr' option. */ | |
52 | struct nested_ptr_data | |
53 | { | |
54 | type_p type; | |
55 | const char *convert_to; | |
56 | const char *convert_from; | |
57 | }; | |
58 | ||
59 | /* A name and a type. */ | |
60 | struct pair | |
61 | { | |
62 | pair_p next; | |
63 | const char *name; | |
64 | type_p type; | |
65 | struct fileloc line; | |
66 | options_p opt; | |
67 | }; | |
68 | ||
69 | #define NUM_PARAM 10 | |
70 | ||
71 | /* A description of a type. */ | |
72 | enum gc_used_enum | |
73 | { | |
74 | GC_UNUSED = 0, | |
75 | GC_USED, | |
76 | GC_MAYBE_POINTED_TO, | |
77 | GC_POINTED_TO | |
78 | }; | |
79 | ||
80 | struct type | |
81 | { | |
82 | enum typekind kind; | |
83 | type_p next; | |
84 | type_p pointer_to; | |
85 | enum gc_used_enum gc_used; | |
86 | union { | |
87 | type_p p; | |
88 | struct { | |
89 | const char *tag; | |
90 | struct fileloc line; | |
91 | pair_p fields; | |
92 | options_p opt; | |
93 | lang_bitmap bitmap; | |
94 | type_p lang_struct; | |
95 | } s; | |
96 | bool scalar_is_char; | |
97 | struct { | |
98 | type_p p; | |
99 | const char *len; | |
100 | } a; | |
101 | struct { | |
102 | type_p stru; | |
103 | type_p param[NUM_PARAM]; | |
104 | struct fileloc line; | |
105 | } param_struct; | |
106 | } u; | |
107 | }; | |
108 | ||
109 | #define UNION_P(x) \ | |
110 | ((x)->kind == TYPE_UNION || \ | |
111 | ((x)->kind == TYPE_LANG_STRUCT \ | |
112 | && (x)->u.s.lang_struct->kind == TYPE_UNION)) | |
113 | #define UNION_OR_STRUCT_P(x) \ | |
114 | ((x)->kind == TYPE_UNION \ | |
115 | || (x)->kind == TYPE_STRUCT \ | |
116 | || (x)->kind == TYPE_LANG_STRUCT) | |
117 | ||
118 | /* Structure representing an output file. */ | |
119 | struct outf | |
120 | { | |
121 | struct outf *next; | |
122 | const char *name; | |
123 | size_t buflength; | |
124 | size_t bufused; | |
125 | char *buf; | |
126 | }; | |
127 | typedef struct outf * outf_p; | |
128 | ||
129 | /* An output file, suitable for definitions, that can see declarations | |
130 | made in INPUT_FILE and is linked into every language that uses | |
131 | INPUT_FILE. */ | |
132 | extern outf_p get_output_file_with_visibility | |
133 | (const char *input_file); | |
134 | const char *get_output_file_name (const char *); | |
135 | ||
065ae611 ZW |
136 | /* Print, like fprintf, to O. */ |
137 | static void oprintf (outf_p o, const char *S, ...) | |
138 | ATTRIBUTE_PRINTF_2; | |
139 | ||
140 | /* The list of output files. */ | |
141 | static outf_p output_files; | |
142 | ||
143 | /* The output header file that is included into pretty much every | |
144 | source file. */ | |
145 | static outf_p header_file; | |
146 | ||
11a67599 ZW |
147 | /* Source directory. */ |
148 | static const char *srcdir; | |
065ae611 ZW |
149 | |
150 | /* Length of srcdir name. */ | |
151 | static int srcdir_len = 0; | |
152 | ||
065ae611 ZW |
153 | static outf_p create_file (const char *, const char *); |
154 | static const char * get_file_basename (const char *); | |
155 | ||
156 | \f | |
9f313342 | 157 | /* Nonzero iff an error has occurred. */ |
01d419ae | 158 | bool hit_error = false; |
9f313342 | 159 | |
3d7aafde AJ |
160 | static void gen_rtx_next (void); |
161 | static void write_rtx_next (void); | |
162 | static void open_base_files (void); | |
163 | static void close_output_files (void); | |
ef171ead | 164 | |
9f313342 GK |
165 | /* Report an error at POS, printing MSG. */ |
166 | ||
e2500fed | 167 | void |
e34d07f2 | 168 | error_at_line (struct fileloc *pos, const char *msg, ...) |
e2500fed | 169 | { |
e34d07f2 | 170 | va_list ap; |
3d7aafde | 171 | |
e34d07f2 | 172 | va_start (ap, msg); |
e2500fed GK |
173 | |
174 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
175 | vfprintf (stderr, msg, ap); | |
176 | fputc ('\n', stderr); | |
01d419ae | 177 | hit_error = true; |
e2500fed | 178 | |
e34d07f2 | 179 | va_end (ap); |
e2500fed GK |
180 | } |
181 | ||
065ae611 | 182 | /* asprintf, but produces fatal message on out-of-memory. */ |
01d419ae | 183 | char * |
e34d07f2 | 184 | xasprintf (const char *format, ...) |
e03856fe | 185 | { |
065ae611 | 186 | int n; |
e03856fe | 187 | char *result; |
e34d07f2 | 188 | va_list ap; |
3d7aafde | 189 | |
e34d07f2 | 190 | va_start (ap, format); |
065ae611 ZW |
191 | n = vasprintf (&result, format, ap); |
192 | if (result == NULL || n < 0) | |
193 | fatal ("out of memory"); | |
e34d07f2 | 194 | va_end (ap); |
065ae611 | 195 | |
e03856fe GK |
196 | return result; |
197 | } | |
11a67599 ZW |
198 | \f |
199 | /* Input file handling. */ | |
200 | ||
201 | /* Table of all input files. */ | |
202 | static const char **gt_files; | |
203 | static size_t num_gt_files; | |
204 | ||
01d419ae ZW |
205 | /* A number of places use the name of this file for a location for |
206 | things that we can't rely on the source to define. Make sure we | |
207 | can still use pointer comparison on filenames. */ | |
208 | static const char this_file[] = __FILE__; | |
209 | ||
11a67599 ZW |
210 | /* Vector of per-language directories. */ |
211 | static const char **lang_dir_names; | |
212 | static size_t num_lang_dirs; | |
213 | ||
214 | /* An array of output files suitable for definitions. There is one | |
215 | BASE_FILES entry for each language. */ | |
216 | static outf_p *base_files; | |
217 | ||
218 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff | |
219 | INPUT_FILE is used by <lang>. | |
220 | ||
221 | This function should be written to assume that a file _is_ used | |
222 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
223 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
224 | some GC roots may be missed, which is a much harder-to-debug problem. | |
225 | ||
226 | The relevant bitmap is stored immediately before the file's name in the | |
227 | buffer set up by read_input_list. It may be unaligned, so we have to | |
228 | read it byte-by-byte. */ | |
e03856fe | 229 | |
11a67599 ZW |
230 | static lang_bitmap |
231 | get_lang_bitmap (const char *gtfile) | |
232 | { | |
01d419ae ZW |
233 | |
234 | if (gtfile == this_file) | |
235 | /* Things defined in this file are universal. */ | |
236 | return (((lang_bitmap)1) << num_lang_dirs) - 1; | |
237 | else | |
238 | { | |
239 | lang_bitmap n = 0; | |
240 | int i; | |
241 | for (i = -(int) sizeof (lang_bitmap); i < 0; i++) | |
242 | n = (n << CHAR_BIT) + (unsigned char)gtfile[i]; | |
243 | return n; | |
244 | } | |
11a67599 ZW |
245 | } |
246 | ||
247 | /* Set the bitmap returned by get_lang_bitmap. The only legitimate | |
248 | caller of this function is read_input_list. */ | |
249 | static void | |
250 | set_lang_bitmap (char *gtfile, lang_bitmap n) | |
251 | { | |
252 | int i; | |
253 | for (i = -1; i >= -(int) sizeof (lang_bitmap); i--) | |
254 | { | |
255 | gtfile[i] = n & ((1U << CHAR_BIT)-1); | |
256 | n >>= CHAR_BIT; | |
257 | } | |
258 | } | |
259 | ||
260 | /* Scan the input file, LIST, and determine how much space we need to | |
261 | store strings in. Also, count the number of language directories | |
262 | and files. The numbers returned are overestimates as they does not | |
263 | consider repeated files. */ | |
264 | static size_t | |
265 | measure_input_list (FILE *list) | |
266 | { | |
267 | size_t n = 0; | |
268 | int c; | |
269 | bool atbol = true; | |
270 | num_lang_dirs = 0; | |
271 | num_gt_files = 0; | |
272 | while ((c = getc (list)) != EOF) | |
273 | { | |
274 | n++; | |
275 | if (atbol) | |
276 | { | |
277 | if (c == '[') | |
278 | num_lang_dirs++; | |
279 | else | |
280 | { | |
281 | /* Add space for a lang_bitmap before the input file name. */ | |
282 | n += sizeof (lang_bitmap); | |
283 | num_gt_files++; | |
284 | } | |
285 | atbol = false; | |
286 | } | |
287 | ||
288 | if (c == '\n') | |
289 | atbol = true; | |
290 | } | |
291 | ||
292 | rewind (list); | |
293 | return n; | |
294 | } | |
295 | ||
296 | /* Read one input line from LIST to HEREP (which is updated). A | |
297 | pointer to the string is returned via LINEP. If it was a language | |
298 | subdirectory in square brackets, strip off the square brackets and | |
299 | return true. Otherwise, leave space before the string for a | |
300 | lang_bitmap, and return false. At EOF, returns false, does not | |
301 | touch *HEREP, and sets *LINEP to NULL. POS is used for | |
302 | diagnostics. */ | |
303 | static bool | |
304 | read_input_line (FILE *list, char **herep, char **linep, | |
305 | struct fileloc *pos) | |
306 | { | |
307 | char *here = *herep; | |
308 | char *line; | |
309 | int c = getc (list); | |
310 | ||
311 | if (c == EOF) | |
312 | { | |
313 | *linep = 0; | |
314 | return false; | |
315 | } | |
316 | else if (c == '[') | |
317 | { | |
318 | /* No space for a lang_bitmap is necessary. Discard the '['. */ | |
319 | c = getc (list); | |
320 | line = here; | |
321 | while (c != ']' && c != '\n' && c != EOF) | |
322 | { | |
323 | *here++ = c; | |
324 | c = getc (list); | |
325 | } | |
326 | *here++ = '\0'; | |
327 | ||
328 | if (c == ']') | |
329 | { | |
330 | c = getc (list); /* eat what should be a newline */ | |
331 | if (c != '\n' && c != EOF) | |
332 | error_at_line (pos, "junk on line after language tag [%s]", line); | |
333 | } | |
334 | else | |
335 | error_at_line (pos, "missing close bracket for language tag [%s", line); | |
336 | ||
337 | *herep = here; | |
338 | *linep = line; | |
339 | return true; | |
340 | } | |
341 | else | |
342 | { | |
343 | /* Leave space for a lang_bitmap. */ | |
344 | memset (here, 0, sizeof (lang_bitmap)); | |
345 | here += sizeof (lang_bitmap); | |
346 | line = here; | |
347 | do | |
348 | { | |
349 | *here++ = c; | |
350 | c = getc (list); | |
351 | } | |
352 | while (c != EOF && c != '\n'); | |
353 | *here++ = '\0'; | |
354 | *herep = here; | |
355 | *linep = line; | |
356 | return false; | |
357 | } | |
358 | } | |
359 | ||
360 | /* Read the list of input files from LIST and compute all of the | |
361 | relevant tables. There is one file per line of the list. At | |
362 | first, all the files on the list are language-generic, but | |
363 | eventually a line will appear which is the name of a language | |
364 | subdirectory in square brackets, like this: [cp]. All subsequent | |
365 | files are specific to that language, until another language | |
366 | subdirectory tag appears. Files can appear more than once, if | |
367 | they apply to more than one language. */ | |
368 | static void | |
369 | read_input_list (const char *listname) | |
370 | { | |
371 | FILE *list = fopen (listname, "r"); | |
372 | if (!list) | |
373 | fatal ("cannot open %s: %s", listname, strerror (errno)); | |
374 | else | |
375 | { | |
376 | struct fileloc epos; | |
377 | size_t bufsz = measure_input_list (list); | |
378 | char *buf = XNEWVEC (char, bufsz); | |
379 | char *here = buf; | |
380 | char *committed = buf; | |
381 | char *limit = buf + bufsz; | |
382 | char *line; | |
383 | bool is_language; | |
384 | size_t langno = 0; | |
385 | size_t nfiles = 0; | |
386 | lang_bitmap curlangs = (1 << num_lang_dirs) - 1; | |
387 | ||
388 | epos.file = listname; | |
389 | epos.line = 0; | |
390 | ||
391 | lang_dir_names = XNEWVEC (const char *, num_lang_dirs); | |
392 | gt_files = XNEWVEC (const char *, num_gt_files); | |
393 | ||
394 | for (;;) | |
395 | { | |
396 | next_line: | |
397 | epos.line++; | |
398 | committed = here; | |
399 | is_language = read_input_line (list, &here, &line, &epos); | |
400 | gcc_assert (here <= limit); | |
401 | if (line == 0) | |
402 | break; | |
403 | else if (is_language) | |
404 | { | |
405 | size_t i; | |
406 | gcc_assert (langno <= num_lang_dirs); | |
407 | for (i = 0; i < langno; i++) | |
408 | if (strcmp (lang_dir_names[i], line) == 0) | |
409 | { | |
410 | error_at_line (&epos, "duplicate language tag [%s]", line); | |
411 | curlangs = 1 << i; | |
412 | here = committed; | |
413 | goto next_line; | |
414 | } | |
415 | ||
416 | curlangs = 1 << langno; | |
417 | lang_dir_names[langno++] = line; | |
418 | } | |
419 | else | |
420 | { | |
421 | size_t i; | |
422 | gcc_assert (nfiles <= num_gt_files); | |
423 | for (i = 0; i < nfiles; i++) | |
424 | if (strcmp (gt_files[i], line) == 0) | |
425 | { | |
426 | /* Throw away the string we just read, and add the | |
427 | current language to the existing string's bitmap. */ | |
428 | lang_bitmap bmap = get_lang_bitmap (gt_files[i]); | |
429 | if (bmap & curlangs) | |
430 | error_at_line (&epos, "file %s specified more than once " | |
431 | "for language %s", line, langno == 0 | |
432 | ? "(all)" | |
433 | : lang_dir_names[langno - 1]); | |
434 | ||
435 | bmap |= curlangs; | |
436 | set_lang_bitmap ((char *)gt_files[i], bmap); | |
437 | here = committed; | |
438 | goto next_line; | |
439 | } | |
440 | ||
441 | set_lang_bitmap (line, curlangs); | |
442 | gt_files[nfiles++] = line; | |
443 | } | |
444 | } | |
445 | /* Update the global counts now that we know accurately how many | |
446 | things there are. (We do not bother resizing the arrays down.) */ | |
447 | num_lang_dirs = langno; | |
448 | num_gt_files = nfiles; | |
449 | } | |
450 | ||
451 | /* Sanity check: any file that resides in a language subdirectory | |
452 | (e.g. 'cp') ought to belong to the corresponding language. | |
453 | ??? Still true if for instance ObjC++ is enabled and C++ isn't? | |
454 | (Can you even do that? Should you be allowed to?) */ | |
455 | { | |
456 | size_t f; | |
457 | for (f = 0; f < num_gt_files; f++) | |
458 | { | |
459 | lang_bitmap bitmap = get_lang_bitmap (gt_files[f]); | |
460 | const char *basename = get_file_basename (gt_files[f]); | |
461 | const char *slashpos = strchr (basename, '/'); | |
462 | ||
463 | if (slashpos) | |
464 | { | |
465 | size_t l; | |
466 | for (l = 0; l < num_lang_dirs; l++) | |
467 | if ((size_t)(slashpos - basename) == strlen (lang_dir_names [l]) | |
468 | && memcmp (basename, lang_dir_names[l], | |
469 | strlen (lang_dir_names[l])) == 0) | |
470 | { | |
471 | if (!(bitmap & (1 << l))) | |
472 | error ("%s is in language directory '%s' but is not " | |
473 | "tagged for that language", | |
474 | basename, lang_dir_names[l]); | |
475 | break; | |
476 | } | |
477 | } | |
478 | } | |
479 | } | |
480 | ||
481 | if (ferror (list)) | |
482 | fatal ("error reading %s: %s", listname, strerror (errno)); | |
483 | ||
484 | fclose (list); | |
485 | } | |
486 | ||
487 | ||
488 | \f | |
9f313342 GK |
489 | /* The one and only TYPE_STRING. */ |
490 | ||
95161faf ZW |
491 | static struct type string_type = { |
492 | TYPE_STRING, 0, 0, GC_USED, {0} | |
493 | }; | |
494 | ||
495 | /* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are | |
496 | set to appropriate values at the beginning of main. */ | |
497 | ||
498 | static struct type scalar_nonchar = { | |
499 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
500 | }; | |
501 | static struct type scalar_char = { | |
502 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
3d7aafde | 503 | }; |
e2500fed | 504 | |
9f313342 GK |
505 | /* Lists of various things. */ |
506 | ||
e2500fed GK |
507 | static pair_p typedefs; |
508 | static type_p structures; | |
509 | static type_p param_structs; | |
510 | static pair_p variables; | |
511 | ||
3d7aafde AJ |
512 | static type_p find_param_structure |
513 | (type_p t, type_p param[NUM_PARAM]); | |
514 | static type_p adjust_field_tree_exp (type_p t, options_p opt); | |
515 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
36a5eadd | 516 | |
9f313342 GK |
517 | /* Define S as a typedef to T at POS. */ |
518 | ||
e2500fed | 519 | void |
3d7aafde | 520 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
e2500fed GK |
521 | { |
522 | pair_p p; | |
523 | ||
2d593c86 TT |
524 | /* temporary kludge - gengtype doesn't handle conditionals or |
525 | macros. Ignore any attempt to typedef CUMULATIVE_ARGS, unless it | |
526 | is coming from this file (main() sets them up with safe dummy | |
527 | definitions). */ | |
528 | if (!strcmp (s, "CUMULATIVE_ARGS") && pos->file != this_file) | |
01d419ae ZW |
529 | return; |
530 | ||
e2500fed GK |
531 | for (p = typedefs; p != NULL; p = p->next) |
532 | if (strcmp (p->name, s) == 0) | |
533 | { | |
534 | if (p->type != t) | |
535 | { | |
536 | error_at_line (pos, "type `%s' previously defined", s); | |
537 | error_at_line (&p->line, "previously defined here"); | |
538 | } | |
539 | return; | |
540 | } | |
541 | ||
5d038c4c | 542 | p = XNEW (struct pair); |
e2500fed GK |
543 | p->next = typedefs; |
544 | p->name = s; | |
545 | p->type = t; | |
546 | p->line = *pos; | |
547 | typedefs = p; | |
548 | } | |
549 | ||
95161faf ZW |
550 | /* Define S as a typename of a scalar. Cannot be used to define |
551 | typedefs of 'char'. Note: is also used for pointer-to-function | |
552 | typedefs (which are therefore not treated as pointers). */ | |
36a5eadd | 553 | |
95161faf | 554 | void |
3d7aafde | 555 | do_scalar_typedef (const char *s, struct fileloc *pos) |
36a5eadd | 556 | { |
95161faf | 557 | do_typedef (s, &scalar_nonchar, pos); |
36a5eadd GK |
558 | } |
559 | ||
e34bb004 | 560 | /* Return the type previously defined for S. Use POS to report errors. */ |
9f313342 | 561 | |
e2500fed | 562 | type_p |
3d7aafde | 563 | resolve_typedef (const char *s, struct fileloc *pos) |
e2500fed GK |
564 | { |
565 | pair_p p; | |
566 | for (p = typedefs; p != NULL; p = p->next) | |
567 | if (strcmp (p->name, s) == 0) | |
568 | return p->type; | |
569 | error_at_line (pos, "unidentified type `%s'", s); | |
95161faf | 570 | return &scalar_nonchar; /* treat as "int" */ |
e2500fed GK |
571 | } |
572 | ||
0f01f026 RS |
573 | /* Create and return a new structure with tag NAME (or a union iff |
574 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
9f313342 | 575 | |
0f01f026 | 576 | type_p |
3d7aafde AJ |
577 | new_structure (const char *name, int isunion, struct fileloc *pos, |
578 | pair_p fields, options_p o) | |
e2500fed GK |
579 | { |
580 | type_p si; | |
581 | type_p s = NULL; | |
11a67599 | 582 | lang_bitmap bitmap = get_lang_bitmap (pos->file); |
e2500fed | 583 | |
01d419ae ZW |
584 | /* temporary kludge - gengtype doesn't handle conditionals or |
585 | macros. Ignore any attempt to define struct location_s, unless | |
586 | it is coming from this file (main() sets it up safely). */ | |
587 | if (!strcmp (name, "location_s") && !isunion | |
588 | && pos->file != this_file) | |
589 | return find_structure (name, 0); | |
590 | ||
e2500fed | 591 | for (si = structures; si != NULL; si = si->next) |
3d7aafde | 592 | if (strcmp (name, si->u.s.tag) == 0 |
e2500fed GK |
593 | && UNION_P (si) == isunion) |
594 | { | |
595 | type_p ls = NULL; | |
596 | if (si->kind == TYPE_LANG_STRUCT) | |
597 | { | |
598 | ls = si; | |
3d7aafde | 599 | |
e2500fed GK |
600 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
601 | if (si->u.s.bitmap == bitmap) | |
602 | s = si; | |
603 | } | |
604 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
605 | { | |
606 | ls = si; | |
5d038c4c | 607 | si = XCNEW (struct type); |
e2500fed GK |
608 | memcpy (si, ls, sizeof (struct type)); |
609 | ls->kind = TYPE_LANG_STRUCT; | |
610 | ls->u.s.lang_struct = si; | |
611 | ls->u.s.fields = NULL; | |
612 | si->next = NULL; | |
613 | si->pointer_to = NULL; | |
614 | si->u.s.lang_struct = ls; | |
615 | } | |
616 | else | |
617 | s = si; | |
618 | ||
619 | if (ls != NULL && s == NULL) | |
620 | { | |
5d038c4c | 621 | s = XCNEW (struct type); |
e2500fed GK |
622 | s->next = ls->u.s.lang_struct; |
623 | ls->u.s.lang_struct = s; | |
624 | s->u.s.lang_struct = ls; | |
625 | } | |
626 | break; | |
627 | } | |
3d7aafde | 628 | |
e2500fed GK |
629 | if (s == NULL) |
630 | { | |
5d038c4c | 631 | s = XCNEW (struct type); |
e2500fed GK |
632 | s->next = structures; |
633 | structures = s; | |
634 | } | |
635 | ||
636 | if (s->u.s.line.file != NULL | |
637 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
638 | { | |
01d419ae ZW |
639 | error_at_line (pos, "duplicate definition of '%s %s'", |
640 | isunion ? "union" : "struct", s->u.s.tag); | |
e2500fed GK |
641 | error_at_line (&s->u.s.line, "previous definition here"); |
642 | } | |
643 | ||
644 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
645 | s->u.s.tag = name; | |
646 | s->u.s.line = *pos; | |
647 | s->u.s.fields = fields; | |
648 | s->u.s.opt = o; | |
649 | s->u.s.bitmap = bitmap; | |
650 | if (s->u.s.lang_struct) | |
651 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0f01f026 | 652 | |
01d419ae ZW |
653 | /* Reset location_s's location to input.h so that we know where to |
654 | write out its mark routine. */ | |
655 | if (!strcmp (name, "location_s") && !isunion | |
656 | && pos->file == this_file) | |
657 | { | |
658 | size_t n; | |
659 | for (n = 0; n < num_gt_files; n++) | |
660 | if (!strcmp (gt_files[n] + strlen (gt_files[n]) - strlen ("input.h"), | |
661 | "input.h")) | |
662 | { | |
663 | s->u.s.line.file = gt_files[n]; | |
664 | break; | |
665 | } | |
666 | } | |
667 | ||
668 | return s; | |
e2500fed GK |
669 | } |
670 | ||
9f313342 GK |
671 | /* Return the previously-defined structure with tag NAME (or a union |
672 | iff ISUNION is nonzero), or a new empty structure or union if none | |
673 | was defined previously. */ | |
674 | ||
e2500fed | 675 | type_p |
3d7aafde | 676 | find_structure (const char *name, int isunion) |
e2500fed GK |
677 | { |
678 | type_p s; | |
679 | ||
680 | for (s = structures; s != NULL; s = s->next) | |
3d7aafde | 681 | if (strcmp (name, s->u.s.tag) == 0 |
e2500fed GK |
682 | && UNION_P (s) == isunion) |
683 | return s; | |
684 | ||
5d038c4c | 685 | s = XCNEW (struct type); |
e2500fed GK |
686 | s->next = structures; |
687 | structures = s; | |
688 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
689 | s->u.s.tag = name; | |
690 | structures = s; | |
691 | return s; | |
692 | } | |
693 | ||
272d0bee KH |
694 | /* Return the previously-defined parameterized structure for structure |
695 | T and parameters PARAM, or a new parameterized empty structure or | |
991b6592 | 696 | union if none was defined previously. */ |
36a5eadd GK |
697 | |
698 | static type_p | |
3d7aafde | 699 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
36a5eadd GK |
700 | { |
701 | type_p res; | |
3d7aafde | 702 | |
36a5eadd GK |
703 | for (res = param_structs; res; res = res->next) |
704 | if (res->u.param_struct.stru == t | |
3d7aafde | 705 | && memcmp (res->u.param_struct.param, param, |
36a5eadd GK |
706 | sizeof (type_p) * NUM_PARAM) == 0) |
707 | break; | |
708 | if (res == NULL) | |
709 | { | |
5d038c4c | 710 | res = XCNEW (struct type); |
36a5eadd GK |
711 | res->kind = TYPE_PARAM_STRUCT; |
712 | res->next = param_structs; | |
713 | param_structs = res; | |
714 | res->u.param_struct.stru = t; | |
715 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
716 | } | |
717 | return res; | |
718 | } | |
719 | ||
9f313342 GK |
720 | /* Return a scalar type with name NAME. */ |
721 | ||
e2500fed | 722 | type_p |
95161faf | 723 | create_scalar_type (const char *name) |
e2500fed | 724 | { |
95161faf ZW |
725 | if (!strcmp (name, "char") || !strcmp (name, "unsigned char")) |
726 | return &scalar_char; | |
727 | else | |
728 | return &scalar_nonchar; | |
e2500fed GK |
729 | } |
730 | ||
9f313342 GK |
731 | /* Return a pointer to T. */ |
732 | ||
e2500fed | 733 | type_p |
3d7aafde | 734 | create_pointer (type_p t) |
e2500fed GK |
735 | { |
736 | if (! t->pointer_to) | |
737 | { | |
5d038c4c | 738 | type_p r = XCNEW (struct type); |
e2500fed GK |
739 | r->kind = TYPE_POINTER; |
740 | r->u.p = t; | |
741 | t->pointer_to = r; | |
742 | } | |
743 | return t->pointer_to; | |
744 | } | |
745 | ||
9f313342 GK |
746 | /* Return an array of length LEN. */ |
747 | ||
e2500fed | 748 | type_p |
3d7aafde | 749 | create_array (type_p t, const char *len) |
e2500fed GK |
750 | { |
751 | type_p v; | |
3d7aafde | 752 | |
5d038c4c | 753 | v = XCNEW (struct type); |
e2500fed GK |
754 | v->kind = TYPE_ARRAY; |
755 | v->u.a.p = t; | |
756 | v->u.a.len = len; | |
757 | return v; | |
758 | } | |
759 | ||
0f01f026 RS |
760 | /* Return an options structure with name NAME and info INFO. NEXT is the |
761 | next option in the chain. */ | |
762 | ||
1431042e | 763 | options_p |
0f01f026 | 764 | create_option (options_p next, const char *name, const void *info) |
1431042e | 765 | { |
5d038c4c | 766 | options_p o = XNEW (struct options); |
0f01f026 | 767 | o->next = next; |
1431042e | 768 | o->name = name; |
9e2878cf | 769 | o->info = (const char*) info; |
1431042e ZW |
770 | return o; |
771 | } | |
772 | ||
17defa6a ZW |
773 | /* Return an options structure for a "nested_ptr" option. */ |
774 | options_p | |
065ae611 ZW |
775 | create_nested_ptr_option (options_p next, type_p t, |
776 | const char *to, const char *from) | |
17defa6a ZW |
777 | { |
778 | struct nested_ptr_data *d = XNEW (struct nested_ptr_data); | |
779 | ||
780 | d->type = adjust_field_type (t, 0); | |
781 | d->convert_to = to; | |
782 | d->convert_from = from; | |
065ae611 | 783 | return create_option (next, "nested_ptr", d); |
17defa6a ZW |
784 | } |
785 | ||
36a5eadd GK |
786 | /* Add a variable named S of type T with options O defined at POS, |
787 | to `variables'. */ | |
788 | ||
789 | void | |
3d7aafde | 790 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
36a5eadd GK |
791 | { |
792 | pair_p n; | |
5d038c4c | 793 | n = XNEW (struct pair); |
36a5eadd GK |
794 | n->name = s; |
795 | n->type = t; | |
796 | n->line = *pos; | |
797 | n->opt = o; | |
798 | n->next = variables; | |
799 | variables = n; | |
800 | } | |
801 | ||
065ae611 | 802 | /* Most-general structure field creator. */ |
0f01f026 | 803 | static pair_p |
065ae611 ZW |
804 | create_field_all (pair_p next, type_p type, const char *name, options_p opt, |
805 | const char *file, int line) | |
0f01f026 RS |
806 | { |
807 | pair_p field; | |
808 | ||
809 | field = XNEW (struct pair); | |
810 | field->next = next; | |
811 | field->type = type; | |
812 | field->name = name; | |
065ae611 ZW |
813 | field->opt = opt; |
814 | field->line.file = file; | |
815 | field->line.line = line; | |
0f01f026 RS |
816 | return field; |
817 | } | |
818 | ||
065ae611 ZW |
819 | /* Create a field that came from the source code we are scanning, |
820 | i.e. we have a 'struct fileloc', and possibly options; also, | |
821 | adjust_field_type should be called. */ | |
822 | pair_p | |
823 | create_field_at (pair_p next, type_p type, const char *name, options_p opt, | |
824 | struct fileloc *pos) | |
825 | { | |
826 | return create_field_all (next, adjust_field_type (type, opt), | |
827 | name, opt, pos->file, pos->line); | |
828 | } | |
829 | ||
830 | /* Create a fake field with the given type and name. NEXT is the next | |
831 | field in the chain. */ | |
832 | #define create_field(next,type,name) \ | |
01d419ae | 833 | create_field_all(next,type,name, 0, this_file, __LINE__) |
065ae611 | 834 | |
aacd3885 RS |
835 | /* Like create_field, but the field is only valid when condition COND |
836 | is true. */ | |
837 | ||
838 | static pair_p | |
065ae611 ZW |
839 | create_optional_field_ (pair_p next, type_p type, const char *name, |
840 | const char *cond, int line) | |
aacd3885 RS |
841 | { |
842 | static int id = 1; | |
065ae611 | 843 | pair_p union_fields; |
aacd3885 RS |
844 | type_p union_type; |
845 | ||
846 | /* Create a fake union type with a single nameless field of type TYPE. | |
847 | The field has a tag of "1". This allows us to make the presence | |
848 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
849 | union_fields = create_field (NULL, type, ""); | |
850 | union_fields->opt = create_option (union_fields->opt, "dot", ""); | |
851 | union_fields->opt = create_option (union_fields->opt, "tag", "1"); | |
852 | union_type = new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
853 | &lexer_line, union_fields, NULL); | |
854 | ||
855 | /* Create the field and give it the new fake union type. Add a "desc" | |
856 | tag that specifies the condition under which the field is valid. */ | |
065ae611 ZW |
857 | return create_field_all (next, union_type, name, |
858 | create_option (0, "desc", cond), | |
01d419ae | 859 | this_file, line); |
aacd3885 | 860 | } |
065ae611 ZW |
861 | #define create_optional_field(next,type,name,cond) \ |
862 | create_optional_field_(next,type,name,cond,__LINE__) | |
aacd3885 | 863 | |
01d419ae ZW |
864 | /* Reverse a linked list of 'struct pair's in place. */ |
865 | pair_p | |
866 | nreverse_pairs (pair_p list) | |
867 | { | |
868 | pair_p prev = 0, p, next; | |
869 | for (p = list; p; p = next) | |
870 | { | |
871 | next = p->next; | |
872 | p->next = prev; | |
873 | prev = p; | |
874 | } | |
875 | return prev; | |
876 | } | |
877 | ||
878 | \f | |
9e995780 | 879 | /* We don't care how long a CONST_DOUBLE is. */ |
36a5eadd | 880 | #define CONST_DOUBLE_FORMAT "ww" |
9e995780 ZW |
881 | /* We don't want to see codes that are only for generator files. */ |
882 | #undef GENERATOR_FILE | |
883 | ||
884 | enum rtx_code { | |
885 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , | |
886 | #include "rtl.def" | |
887 | #undef DEF_RTL_EXPR | |
888 | NUM_RTX_CODE | |
889 | }; | |
890 | ||
891 | static const char * const rtx_name[NUM_RTX_CODE] = { | |
892 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , | |
893 | #include "rtl.def" | |
894 | #undef DEF_RTL_EXPR | |
895 | }; | |
896 | ||
897 | static const char * const rtx_format[NUM_RTX_CODE] = { | |
36a5eadd GK |
898 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
899 | #include "rtl.def" | |
900 | #undef DEF_RTL_EXPR | |
901 | }; | |
902 | ||
5ba6918e | 903 | static int rtx_next_new[NUM_RTX_CODE]; |
36a5eadd | 904 | |
9e995780 ZW |
905 | /* We also need codes and names for insn notes (not register notes). |
906 | Note that we do *not* bias the note values here. */ | |
907 | enum insn_note { | |
908 | #define DEF_INSN_NOTE(NAME) NAME, | |
909 | #include "insn-notes.def" | |
910 | #undef DEF_INSN_NOTE | |
911 | ||
912 | NOTE_INSN_MAX | |
913 | }; | |
914 | ||
79e4e6a6 JW |
915 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
916 | default field for line number notes. */ | |
917 | static const char *const note_insn_name[NOTE_INSN_MAX+1] = { | |
9e995780 ZW |
918 | #define DEF_INSN_NOTE(NAME) #NAME, |
919 | #include "insn-notes.def" | |
920 | #undef DEF_INSN_NOTE | |
921 | }; | |
922 | ||
923 | #undef CONST_DOUBLE_FORMAT | |
924 | #define GENERATOR_FILE | |
925 | ||
36a5eadd GK |
926 | /* Generate the contents of the rtx_next array. This really doesn't belong |
927 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
928 | ||
929 | static void | |
3d7aafde | 930 | gen_rtx_next (void) |
36a5eadd GK |
931 | { |
932 | int i; | |
933 | for (i = 0; i < NUM_RTX_CODE; i++) | |
934 | { | |
935 | int k; | |
3d7aafde | 936 | |
5ba6918e | 937 | rtx_next_new[i] = -1; |
36a5eadd | 938 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
5ba6918e | 939 | rtx_next_new[i] = 2; |
36a5eadd | 940 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
5ba6918e | 941 | rtx_next_new[i] = 1; |
3d7aafde | 942 | else |
36a5eadd GK |
943 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
944 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
5ba6918e | 945 | rtx_next_new[i] = k; |
36a5eadd GK |
946 | } |
947 | } | |
948 | ||
949 | /* Write out the contents of the rtx_next array. */ | |
950 | static void | |
3d7aafde | 951 | write_rtx_next (void) |
36a5eadd GK |
952 | { |
953 | outf_p f = get_output_file_with_visibility (NULL); | |
954 | int i; | |
3d7aafde | 955 | |
36a5eadd GK |
956 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
957 | oprintf (f, "const unsigned char rtx_next[NUM_RTX_CODE] = {\n"); | |
958 | for (i = 0; i < NUM_RTX_CODE; i++) | |
5ba6918e | 959 | if (rtx_next_new[i] == -1) |
36a5eadd GK |
960 | oprintf (f, " 0,\n"); |
961 | else | |
3d7aafde | 962 | oprintf (f, |
e1de1560 | 963 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", |
5ba6918e | 964 | rtx_next_new[i]); |
36a5eadd GK |
965 | oprintf (f, "};\n"); |
966 | } | |
967 | ||
968 | /* Handle `special("rtx_def")'. This is a special case for field | |
969 | `fld' of struct rtx_def, which is an array of unions whose values | |
970 | are based in a complex way on the type of RTL. */ | |
971 | ||
972 | static type_p | |
e18476eb | 973 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
36a5eadd GK |
974 | { |
975 | pair_p flds = NULL; | |
976 | options_p nodot; | |
977 | int i; | |
978 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
c185c797 | 979 | type_p bitmap_tp, basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
36a5eadd | 980 | |
e1de1560 | 981 | if (t->kind != TYPE_UNION) |
36a5eadd | 982 | { |
3d7aafde | 983 | error_at_line (&lexer_line, |
e1de1560 | 984 | "special `rtx_def' must be applied to a union"); |
36a5eadd GK |
985 | return &string_type; |
986 | } | |
3d7aafde | 987 | |
0f01f026 | 988 | nodot = create_option (NULL, "dot", ""); |
36a5eadd GK |
989 | |
990 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
991 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
992 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
993 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
a560d4d4 | 994 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
36a5eadd GK |
995 | bitmap_tp = create_pointer (find_structure ("bitmap_element_def", 0)); |
996 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); | |
c185c797 | 997 | constant_tp = create_pointer (find_structure ("constant_descriptor_rtx", 0)); |
95161faf | 998 | scalar_tp = &scalar_nonchar; /* rtunion int */ |
36a5eadd GK |
999 | |
1000 | { | |
1001 | pair_p note_flds = NULL; | |
1002 | int c; | |
5ba6918e | 1003 | |
9e995780 | 1004 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
36a5eadd | 1005 | { |
5ba6918e GK |
1006 | switch (c) |
1007 | { | |
5ba6918e | 1008 | case NOTE_INSN_MAX: |
0f01f026 | 1009 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
5ba6918e GK |
1010 | break; |
1011 | ||
1012 | case NOTE_INSN_BLOCK_BEG: | |
1013 | case NOTE_INSN_BLOCK_END: | |
0f01f026 | 1014 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
5ba6918e | 1015 | break; |
3d7aafde | 1016 | |
014a1138 | 1017 | case NOTE_INSN_VAR_LOCATION: |
0f01f026 | 1018 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
5ba6918e GK |
1019 | break; |
1020 | ||
1021 | default: | |
0f01f026 | 1022 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
5ba6918e GK |
1023 | break; |
1024 | } | |
0f01f026 RS |
1025 | /* NOTE_INSN_MAX is used as the default field for line |
1026 | number notes. */ | |
1027 | if (c == NOTE_INSN_MAX) | |
1028 | note_flds->opt = create_option (nodot, "default", ""); | |
1029 | else | |
1030 | note_flds->opt = create_option (nodot, "tag", note_insn_name[c]); | |
36a5eadd | 1031 | } |
0f01f026 RS |
1032 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
1033 | &lexer_line, note_flds, NULL); | |
36a5eadd | 1034 | } |
c185c797 RS |
1035 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
1036 | { | |
1037 | pair_p sym_flds; | |
1038 | ||
1039 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); | |
1040 | sym_flds->opt = create_option (nodot, "default", ""); | |
1041 | ||
1042 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); | |
1043 | sym_flds->opt = create_option (nodot, "tag", "1"); | |
1044 | ||
1045 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, | |
1046 | &lexer_line, sym_flds, NULL); | |
1047 | } | |
36a5eadd GK |
1048 | for (i = 0; i < NUM_RTX_CODE; i++) |
1049 | { | |
36a5eadd GK |
1050 | pair_p subfields = NULL; |
1051 | size_t aindex, nmindex; | |
1052 | const char *sname; | |
0f01f026 | 1053 | type_p substruct; |
36a5eadd GK |
1054 | char *ftag; |
1055 | ||
1056 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
1057 | { | |
36a5eadd GK |
1058 | type_p t; |
1059 | const char *subname; | |
1060 | ||
1061 | switch (rtx_format[i][aindex]) | |
1062 | { | |
1063 | case '*': | |
1064 | case 'i': | |
1065 | case 'n': | |
1066 | case 'w': | |
1067 | t = scalar_tp; | |
9ce88f5e | 1068 | subname = "rt_int"; |
36a5eadd GK |
1069 | break; |
1070 | ||
1071 | case '0': | |
1072 | if (i == MEM && aindex == 1) | |
9ce88f5e | 1073 | t = mem_attrs_tp, subname = "rt_mem"; |
6fb5fa3c | 1074 | else if (i == JUMP_INSN && aindex == 8) |
9ce88f5e | 1075 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd | 1076 | else if (i == CODE_LABEL && aindex == 4) |
9ce88f5e | 1077 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1078 | else if (i == CODE_LABEL && aindex == 5) |
9ce88f5e | 1079 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
1080 | else if (i == LABEL_REF |
1081 | && (aindex == 1 || aindex == 2)) | |
9ce88f5e | 1082 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
1083 | else if (i == NOTE && aindex == 4) |
1084 | t = note_union_tp, subname = ""; | |
a38e7aa5 JH |
1085 | else if (i == NOTE && aindex == 5) |
1086 | t = scalar_tp, subname = "rt_int"; | |
36a5eadd | 1087 | else if (i == NOTE && aindex >= 7) |
9ce88f5e | 1088 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1089 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
9ce88f5e | 1090 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1091 | else if (i == VALUE && aindex == 0) |
9ce88f5e | 1092 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1093 | else if (i == REG && aindex == 1) |
9ce88f5e | 1094 | t = scalar_tp, subname = "rt_int"; |
a560d4d4 | 1095 | else if (i == REG && aindex == 2) |
9ce88f5e | 1096 | t = reg_attrs_tp, subname = "rt_reg"; |
36a5eadd | 1097 | else if (i == SCRATCH && aindex == 0) |
9ce88f5e | 1098 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1099 | else if (i == SYMBOL_REF && aindex == 1) |
9ce88f5e | 1100 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1101 | else if (i == SYMBOL_REF && aindex == 2) |
c185c797 | 1102 | t = symbol_union_tp, subname = ""; |
36a5eadd | 1103 | else if (i == BARRIER && aindex >= 3) |
9ce88f5e | 1104 | t = scalar_tp, subname = "rt_int"; |
36a5eadd GK |
1105 | else |
1106 | { | |
3d7aafde | 1107 | error_at_line (&lexer_line, |
6d8dd940 AJ |
1108 | "rtx type `%s' has `0' in position %lu, can't handle", |
1109 | rtx_name[i], (unsigned long) aindex); | |
36a5eadd | 1110 | t = &string_type; |
9ce88f5e | 1111 | subname = "rt_int"; |
36a5eadd GK |
1112 | } |
1113 | break; | |
3d7aafde | 1114 | |
36a5eadd GK |
1115 | case 's': |
1116 | case 'S': | |
1117 | case 'T': | |
1118 | t = &string_type; | |
9ce88f5e | 1119 | subname = "rt_str"; |
36a5eadd GK |
1120 | break; |
1121 | ||
1122 | case 'e': | |
1123 | case 'u': | |
1124 | t = rtx_tp; | |
9ce88f5e | 1125 | subname = "rt_rtx"; |
36a5eadd GK |
1126 | break; |
1127 | ||
1128 | case 'E': | |
1129 | case 'V': | |
1130 | t = rtvec_tp; | |
9ce88f5e | 1131 | subname = "rt_rtvec"; |
36a5eadd GK |
1132 | break; |
1133 | ||
1134 | case 't': | |
1135 | t = tree_tp; | |
9ce88f5e | 1136 | subname = "rt_tree"; |
36a5eadd GK |
1137 | break; |
1138 | ||
1139 | case 'b': | |
1140 | t = bitmap_tp; | |
9ce88f5e | 1141 | subname = "rt_bit"; |
36a5eadd GK |
1142 | break; |
1143 | ||
1144 | case 'B': | |
1145 | t = basic_block_tp; | |
9ce88f5e | 1146 | subname = "rt_bb"; |
36a5eadd GK |
1147 | break; |
1148 | ||
1149 | default: | |
3d7aafde | 1150 | error_at_line (&lexer_line, |
6d8dd940 | 1151 | "rtx type `%s' has `%c' in position %lu, can't handle", |
36a5eadd | 1152 | rtx_name[i], rtx_format[i][aindex], |
6d8dd940 | 1153 | (unsigned long)aindex); |
36a5eadd | 1154 | t = &string_type; |
9ce88f5e | 1155 | subname = "rt_int"; |
36a5eadd GK |
1156 | break; |
1157 | } | |
1158 | ||
0f01f026 RS |
1159 | subfields = create_field (subfields, t, |
1160 | xasprintf (".fld[%lu].%s", | |
1161 | (unsigned long) aindex, | |
1162 | subname)); | |
1163 | subfields->opt = nodot; | |
36a5eadd | 1164 | if (t == note_union_tp) |
0f01f026 | 1165 | subfields->opt = create_option (subfields->opt, "desc", |
a38e7aa5 | 1166 | "NOTE_KIND (&%0)"); |
c185c797 RS |
1167 | if (t == symbol_union_tp) |
1168 | subfields->opt = create_option (subfields->opt, "desc", | |
1169 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
36a5eadd GK |
1170 | } |
1171 | ||
aacd3885 RS |
1172 | if (i == SYMBOL_REF) |
1173 | { | |
3fa9c136 | 1174 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P holds. */ |
aacd3885 | 1175 | type_p field_tp = find_structure ("block_symbol", 0); |
3fa9c136 RS |
1176 | subfields |
1177 | = create_optional_field (subfields, field_tp, "block_sym", | |
1178 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
aacd3885 RS |
1179 | } |
1180 | ||
36a5eadd | 1181 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0f01f026 RS |
1182 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
1183 | ||
36a5eadd GK |
1184 | ftag = xstrdup (rtx_name[i]); |
1185 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
1186 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0f01f026 RS |
1187 | |
1188 | flds = create_field (flds, substruct, ""); | |
1189 | flds->opt = create_option (nodot, "tag", ftag); | |
36a5eadd GK |
1190 | } |
1191 | ||
0f01f026 | 1192 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1193 | } |
1194 | ||
1195 | /* Handle `special("tree_exp")'. This is a special case for | |
1196 | field `operands' of struct tree_exp, which although it claims to contain | |
3d7aafde | 1197 | pointers to trees, actually sometimes contains pointers to RTL too. |
36a5eadd GK |
1198 | Passed T, the old type of the field, and OPT its options. Returns |
1199 | a new type for the field. */ | |
1200 | ||
1201 | static type_p | |
3d7aafde | 1202 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
1203 | { |
1204 | pair_p flds; | |
1205 | options_p nodot; | |
3d7aafde | 1206 | |
36a5eadd GK |
1207 | if (t->kind != TYPE_ARRAY) |
1208 | { | |
3d7aafde | 1209 | error_at_line (&lexer_line, |
36a5eadd GK |
1210 | "special `tree_exp' must be applied to an array"); |
1211 | return &string_type; | |
1212 | } | |
3d7aafde | 1213 | |
0f01f026 RS |
1214 | nodot = create_option (NULL, "dot", ""); |
1215 | ||
1216 | flds = create_field (NULL, t, ""); | |
1217 | flds->opt = create_option (nodot, "length", | |
5039610b | 1218 | "TREE_OPERAND_LENGTH ((tree) &%0)"); |
0f01f026 | 1219 | flds->opt = create_option (flds->opt, "default", ""); |
3d7aafde | 1220 | |
0f01f026 | 1221 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1222 | } |
1223 | ||
9f313342 GK |
1224 | /* Perform any special processing on a type T, about to become the type |
1225 | of a field. Return the appropriate type for the field. | |
1226 | At present: | |
1227 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
1228 | - Similarly for arrays of pointer-to-char; | |
1229 | - Converts structures for which a parameter is provided to | |
36a5eadd GK |
1230 | TYPE_PARAM_STRUCT; |
1231 | - Handles "special" options. | |
3d7aafde | 1232 | */ |
9f313342 | 1233 | |
e2500fed | 1234 | type_p |
3d7aafde | 1235 | adjust_field_type (type_p t, options_p opt) |
e2500fed GK |
1236 | { |
1237 | int length_p = 0; | |
1238 | const int pointer_p = t->kind == TYPE_POINTER; | |
36a5eadd GK |
1239 | type_p params[NUM_PARAM]; |
1240 | int params_p = 0; | |
1241 | int i; | |
1242 | ||
1243 | for (i = 0; i < NUM_PARAM; i++) | |
1244 | params[i] = NULL; | |
3d7aafde | 1245 | |
e2500fed GK |
1246 | for (; opt; opt = opt->next) |
1247 | if (strcmp (opt->name, "length") == 0) | |
1248 | length_p = 1; | |
36a5eadd GK |
1249 | else if (strcmp (opt->name, "param_is") == 0 |
1250 | || (strncmp (opt->name, "param", 5) == 0 | |
1251 | && ISDIGIT (opt->name[5]) | |
1252 | && strcmp (opt->name + 6, "_is") == 0)) | |
e2500fed | 1253 | { |
36a5eadd | 1254 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
e2500fed | 1255 | |
36a5eadd GK |
1256 | if (! UNION_OR_STRUCT_P (t) |
1257 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) | |
1258 | { | |
3d7aafde | 1259 | error_at_line (&lexer_line, |
36a5eadd GK |
1260 | "option `%s' may only be applied to structures or structure pointers", |
1261 | opt->name); | |
1262 | return t; | |
1263 | } | |
1264 | ||
1265 | params_p = 1; | |
1266 | if (params[num] != NULL) | |
1267 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
1268 | if (! ISDIGIT (opt->name[5])) | |
1269 | params[num] = create_pointer ((type_p) opt->info); | |
1270 | else | |
1271 | params[num] = (type_p) opt->info; | |
e2500fed | 1272 | } |
36a5eadd GK |
1273 | else if (strcmp (opt->name, "special") == 0) |
1274 | { | |
9e2878cf | 1275 | const char *special_name = opt->info; |
36a5eadd GK |
1276 | if (strcmp (special_name, "tree_exp") == 0) |
1277 | t = adjust_field_tree_exp (t, opt); | |
1278 | else if (strcmp (special_name, "rtx_def") == 0) | |
1279 | t = adjust_field_rtx_def (t, opt); | |
1280 | else | |
1281 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
1282 | } | |
1283 | ||
1284 | if (params_p) | |
1285 | { | |
1286 | type_p realt; | |
3d7aafde | 1287 | |
36a5eadd GK |
1288 | if (pointer_p) |
1289 | t = t->u.p; | |
1290 | realt = find_param_structure (t, params); | |
1291 | t = pointer_p ? create_pointer (realt) : realt; | |
1292 | } | |
1293 | ||
e2500fed GK |
1294 | if (! length_p |
1295 | && pointer_p | |
1296 | && t->u.p->kind == TYPE_SCALAR | |
95161faf | 1297 | && t->u.p->u.scalar_is_char) |
e2500fed GK |
1298 | return &string_type; |
1299 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
1300 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
95161faf | 1301 | && t->u.a.p->u.p->u.scalar_is_char) |
e2500fed GK |
1302 | return create_array (&string_type, t->u.a.len); |
1303 | ||
1304 | return t; | |
1305 | } | |
1306 | ||
e2500fed | 1307 | \f |
3d7aafde AJ |
1308 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
1309 | static void set_gc_used (pair_p); | |
e2500fed | 1310 | |
9f313342 GK |
1311 | /* Handle OPT for set_gc_used_type. */ |
1312 | ||
e2500fed | 1313 | static void |
3d7aafde | 1314 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
5932ca9d | 1315 | int *pass_param, int *length, int *skip, type_p *nested_ptr) |
e2500fed GK |
1316 | { |
1317 | options_p o; | |
1318 | for (o = opt; o; o = o->next) | |
1319 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
36a5eadd | 1320 | set_gc_used_type ((type_p) o->info, GC_POINTED_TO, NULL); |
e2500fed GK |
1321 | else if (strcmp (o->name, "maybe_undef") == 0) |
1322 | *maybe_undef = 1; | |
36a5eadd GK |
1323 | else if (strcmp (o->name, "use_params") == 0) |
1324 | *pass_param = 1; | |
1325 | else if (strcmp (o->name, "length") == 0) | |
1326 | *length = 1; | |
5932ca9d ZW |
1327 | else if (strcmp (o->name, "skip") == 0) |
1328 | *skip = 1; | |
d8044160 GK |
1329 | else if (strcmp (o->name, "nested_ptr") == 0) |
1330 | *nested_ptr = ((const struct nested_ptr_data *) o->info)->type; | |
e2500fed GK |
1331 | } |
1332 | ||
9f313342 GK |
1333 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
1334 | ||
e2500fed | 1335 | static void |
3d7aafde | 1336 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
e2500fed GK |
1337 | { |
1338 | if (t->gc_used >= level) | |
1339 | return; | |
3d7aafde | 1340 | |
e2500fed GK |
1341 | t->gc_used = level; |
1342 | ||
1343 | switch (t->kind) | |
1344 | { | |
1345 | case TYPE_STRUCT: | |
1346 | case TYPE_UNION: | |
1347 | { | |
1348 | pair_p f; | |
1349 | int dummy; | |
d8044160 | 1350 | type_p dummy2; |
e2500fed | 1351 | |
5932ca9d | 1352 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
d8044160 | 1353 | &dummy2); |
e2500fed GK |
1354 | |
1355 | for (f = t->u.s.fields; f; f = f->next) | |
1356 | { | |
1357 | int maybe_undef = 0; | |
36a5eadd GK |
1358 | int pass_param = 0; |
1359 | int length = 0; | |
5932ca9d | 1360 | int skip = 0; |
d8044160 | 1361 | type_p nested_ptr = NULL; |
36a5eadd | 1362 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
5932ca9d | 1363 | &length, &skip, &nested_ptr); |
3d7aafde | 1364 | |
d8044160 GK |
1365 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
1366 | set_gc_used_type (nested_ptr, GC_POINTED_TO, | |
1367 | pass_param ? param : NULL); | |
1368 | else if (length && f->type->kind == TYPE_POINTER) | |
36a5eadd GK |
1369 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
1370 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
1371 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
1372 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
1373 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
1374 | GC_POINTED_TO, NULL); | |
5932ca9d ZW |
1375 | else if (skip) |
1376 | ; /* target type is not used through this field */ | |
e2500fed | 1377 | else |
36a5eadd | 1378 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
e2500fed GK |
1379 | } |
1380 | break; | |
1381 | } | |
1382 | ||
1383 | case TYPE_POINTER: | |
36a5eadd | 1384 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
e2500fed GK |
1385 | break; |
1386 | ||
1387 | case TYPE_ARRAY: | |
36a5eadd | 1388 | set_gc_used_type (t->u.a.p, GC_USED, param); |
e2500fed | 1389 | break; |
3d7aafde | 1390 | |
e2500fed GK |
1391 | case TYPE_LANG_STRUCT: |
1392 | for (t = t->u.s.lang_struct; t; t = t->next) | |
36a5eadd | 1393 | set_gc_used_type (t, level, param); |
e2500fed GK |
1394 | break; |
1395 | ||
1396 | case TYPE_PARAM_STRUCT: | |
36a5eadd GK |
1397 | { |
1398 | int i; | |
1399 | for (i = 0; i < NUM_PARAM; i++) | |
1400 | if (t->u.param_struct.param[i] != 0) | |
1401 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
1402 | } | |
1403 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
1404 | level = GC_POINTED_TO; | |
1405 | else | |
1406 | level = GC_USED; | |
1407 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
3d7aafde | 1408 | set_gc_used_type (t->u.param_struct.stru, level, |
36a5eadd | 1409 | t->u.param_struct.param); |
e2500fed GK |
1410 | break; |
1411 | ||
1412 | default: | |
1413 | break; | |
1414 | } | |
1415 | } | |
1416 | ||
36a5eadd | 1417 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
9f313342 | 1418 | |
e2500fed | 1419 | static void |
3d7aafde | 1420 | set_gc_used (pair_p variables) |
e2500fed GK |
1421 | { |
1422 | pair_p p; | |
1423 | for (p = variables; p; p = p->next) | |
36a5eadd | 1424 | set_gc_used_type (p->type, GC_USED, NULL); |
e2500fed GK |
1425 | } |
1426 | \f | |
1427 | /* File mapping routines. For each input file, there is one output .c file | |
1428 | (but some output files have many input files), and there is one .h file | |
1429 | for the whole build. */ | |
1430 | ||
065ae611 | 1431 | /* Output file handling. */ |
e2500fed | 1432 | |
e03856fe GK |
1433 | /* Create and return an outf_p for a new file for NAME, to be called |
1434 | ONAME. */ | |
9f313342 | 1435 | |
e03856fe | 1436 | static outf_p |
3d7aafde | 1437 | create_file (const char *name, const char *oname) |
e2500fed GK |
1438 | { |
1439 | static const char *const hdr[] = { | |
9dcd6f09 | 1440 | " Copyright (C) 2004, 2007 Free Software Foundation, Inc.\n", |
e2500fed GK |
1441 | "\n", |
1442 | "This file is part of GCC.\n", | |
1443 | "\n", | |
1444 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1445 | "the terms of the GNU General Public License as published by the Free\n", | |
9dcd6f09 | 1446 | "Software Foundation; either version 3, or (at your option) any later\n", |
e2500fed GK |
1447 | "version.\n", |
1448 | "\n", | |
1449 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1450 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1451 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1452 | "for more details.\n", | |
1453 | "\n", | |
1454 | "You should have received a copy of the GNU General Public License\n", | |
9dcd6f09 NC |
1455 | "along with GCC; see the file COPYING3. If not see\n", |
1456 | "<http://www.gnu.org/licenses/>. */\n", | |
e2500fed GK |
1457 | "\n", |
1458 | "/* This file is machine generated. Do not edit. */\n" | |
1459 | }; | |
e03856fe | 1460 | outf_p f; |
e2500fed | 1461 | size_t i; |
3d7aafde | 1462 | |
5d038c4c | 1463 | f = XCNEW (struct outf); |
e03856fe GK |
1464 | f->next = output_files; |
1465 | f->name = oname; | |
1466 | output_files = f; | |
1467 | ||
1468 | oprintf (f, "/* Type information for %s.\n", name); | |
62c71f4b | 1469 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
e03856fe | 1470 | oprintf (f, "%s", hdr[i]); |
e2500fed GK |
1471 | return f; |
1472 | } | |
1473 | ||
311e3ff0 ZW |
1474 | /* Print, like fprintf, to O. |
1475 | N.B. You might think this could be implemented more efficiently | |
1476 | with vsnprintf(). Unfortunately, there are C libraries that | |
1477 | provide that function but without the C99 semantics for its return | |
1478 | value, making it impossible to know how much space is required. */ | |
3d7aafde | 1479 | void |
e34d07f2 | 1480 | oprintf (outf_p o, const char *format, ...) |
e03856fe | 1481 | { |
311e3ff0 | 1482 | char *s; |
e03856fe | 1483 | size_t slength; |
311e3ff0 | 1484 | va_list ap; |
3d7aafde | 1485 | |
311e3ff0 ZW |
1486 | va_start (ap, format); |
1487 | slength = vasprintf (&s, format, ap); | |
1488 | if (s == NULL || (int)slength < 0) | |
1489 | fatal ("out of memory"); | |
1490 | va_end (ap); | |
e03856fe | 1491 | |
311e3ff0 | 1492 | if (o->bufused + slength > o->buflength) |
e03856fe GK |
1493 | { |
1494 | size_t new_len = o->buflength; | |
1495 | if (new_len == 0) | |
1496 | new_len = 1024; | |
1497 | do { | |
1498 | new_len *= 2; | |
1499 | } while (o->bufused + slength >= new_len); | |
cca8ead2 | 1500 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
e03856fe GK |
1501 | o->buflength = new_len; |
1502 | } | |
311e3ff0 | 1503 | memcpy (o->buf + o->bufused, s, slength); |
e03856fe | 1504 | o->bufused += slength; |
311e3ff0 | 1505 | free (s); |
e03856fe GK |
1506 | } |
1507 | ||
9f313342 GK |
1508 | /* Open the global header file and the language-specific header files. */ |
1509 | ||
e2500fed | 1510 | static void |
3d7aafde | 1511 | open_base_files (void) |
e2500fed GK |
1512 | { |
1513 | size_t i; | |
3d7aafde | 1514 | |
e03856fe | 1515 | header_file = create_file ("GCC", "gtype-desc.h"); |
e2500fed | 1516 | |
11a67599 ZW |
1517 | base_files = XNEWVEC (outf_p, num_lang_dirs); |
1518 | ||
1519 | for (i = 0; i < num_lang_dirs; i++) | |
3d7aafde | 1520 | base_files[i] = create_file (lang_dir_names[i], |
8ac9d31f | 1521 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
e03856fe GK |
1522 | |
1523 | /* gtype-desc.c is a little special, so we create it here. */ | |
1524 | { | |
1525 | /* The order of files here matters very much. */ | |
1526 | static const char *const ifiles [] = { | |
6de9cd9a | 1527 | "config.h", "system.h", "coretypes.h", "tm.h", "varray.h", |
7932a3db NS |
1528 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
1529 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", | |
1530 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1531 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1532 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
9e2f83a5 | 1533 | "cfglayout.h", "except.h", "output.h", "cfgloop.h", NULL |
e03856fe GK |
1534 | }; |
1535 | const char *const *ifp; | |
1536 | outf_p gtype_desc_c; | |
3d7aafde | 1537 | |
e03856fe GK |
1538 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1539 | for (ifp = ifiles; *ifp; ifp++) | |
1540 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
5576d6f2 TT |
1541 | |
1542 | /* Make sure we handle "cfun" specially. */ | |
1543 | oprintf (gtype_desc_c, "\n/* See definition in function.h. */\n"); | |
1544 | oprintf (gtype_desc_c, "#undef cfun\n"); | |
e03856fe | 1545 | } |
e2500fed GK |
1546 | } |
1547 | ||
9f313342 GK |
1548 | /* Determine the pathname to F relative to $(srcdir). */ |
1549 | ||
e2500fed | 1550 | static const char * |
3d7aafde | 1551 | get_file_basename (const char *f) |
e2500fed | 1552 | { |
e2500fed | 1553 | const char *basename; |
8ac9d31f | 1554 | unsigned i; |
3d7aafde | 1555 | |
e2500fed | 1556 | basename = strrchr (f, '/'); |
3d7aafde | 1557 | |
8ac9d31f TJ |
1558 | if (!basename) |
1559 | return f; | |
3d7aafde | 1560 | |
8ac9d31f | 1561 | basename++; |
3d7aafde | 1562 | |
11a67599 | 1563 | for (i = 0; i < num_lang_dirs; i++) |
8ac9d31f TJ |
1564 | { |
1565 | const char * s1; | |
1566 | const char * s2; | |
1567 | int l1; | |
1568 | int l2; | |
1569 | s1 = basename - strlen (lang_dir_names [i]) - 1; | |
1570 | s2 = lang_dir_names [i]; | |
1571 | l1 = strlen (s1); | |
1572 | l2 = strlen (s2); | |
ad8c162b | 1573 | if (l1 >= l2 && IS_DIR_SEPARATOR (s1[-1]) && !memcmp (s1, s2, l2)) |
8ac9d31f TJ |
1574 | { |
1575 | basename -= l2 + 1; | |
1576 | if ((basename - f - 1) != srcdir_len) | |
b2d59f6f | 1577 | fatal ("filename `%s' should be preceded by $srcdir", f); |
8ac9d31f TJ |
1578 | break; |
1579 | } | |
1580 | } | |
3d7aafde | 1581 | |
e2500fed GK |
1582 | return basename; |
1583 | } | |
1584 | ||
9f313342 GK |
1585 | /* An output file, suitable for definitions, that can see declarations |
1586 | made in INPUT_FILE and is linked into every language that uses | |
1587 | INPUT_FILE. */ | |
1588 | ||
e03856fe | 1589 | outf_p |
3d7aafde | 1590 | get_output_file_with_visibility (const char *input_file) |
e2500fed | 1591 | { |
e03856fe | 1592 | outf_p r; |
e2500fed GK |
1593 | size_t len; |
1594 | const char *basename; | |
e03856fe GK |
1595 | const char *for_name; |
1596 | const char *output_name; | |
e2500fed | 1597 | |
e03856fe GK |
1598 | /* This can happen when we need a file with visibility on a |
1599 | structure that we've never seen. We have to just hope that it's | |
1600 | globally visible. */ | |
1601 | if (input_file == NULL) | |
1602 | input_file = "system.h"; | |
e2500fed | 1603 | |
e2500fed GK |
1604 | /* Determine the output file name. */ |
1605 | basename = get_file_basename (input_file); | |
1606 | ||
1607 | len = strlen (basename); | |
1608 | if ((len > 2 && memcmp (basename+len-2, ".c", 2) == 0) | |
1609 | || (len > 2 && memcmp (basename+len-2, ".y", 2) == 0) | |
1610 | || (len > 3 && memcmp (basename+len-3, ".in", 3) == 0)) | |
1611 | { | |
1612 | char *s; | |
3d7aafde | 1613 | |
e03856fe | 1614 | output_name = s = xasprintf ("gt-%s", basename); |
e2500fed | 1615 | for (; *s != '.'; s++) |
1f8e4682 | 1616 | if (! ISALNUM (*s) && *s != '-') |
e2500fed GK |
1617 | *s = '-'; |
1618 | memcpy (s, ".h", sizeof (".h")); | |
e03856fe | 1619 | for_name = basename; |
e2500fed | 1620 | } |
ad8c162b ZL |
1621 | /* Some headers get used by more than one front-end; hence, it |
1622 | would be inappropriate to spew them out to a single gtype-<lang>.h | |
1623 | (and gengtype doesn't know how to direct spewage into multiple | |
1624 | gtype-<lang>.h headers at this time). Instead, we pair up these | |
1625 | headers with source files (and their special purpose gt-*.h headers). */ | |
e2500fed | 1626 | else if (strcmp (basename, "c-common.h") == 0) |
e03856fe | 1627 | output_name = "gt-c-common.h", for_name = "c-common.c"; |
e2500fed | 1628 | else if (strcmp (basename, "c-tree.h") == 0) |
e03856fe | 1629 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
6e955430 ZL |
1630 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) |
1631 | && strcmp (basename + 3, "cp-tree.h") == 0) | |
1632 | output_name = "gt-cp-tree.h", for_name = "cp/tree.c"; | |
1633 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1634 | && strcmp (basename + 3, "decl.h") == 0) | |
1635 | output_name = "gt-cp-decl.h", for_name = "cp/decl.c"; | |
1636 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1637 | && strcmp (basename + 3, "name-lookup.h") == 0) | |
1638 | output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c"; | |
ad8c162b ZL |
1639 | else if (strncmp (basename, "objc", 4) == 0 && IS_DIR_SEPARATOR (basename[4]) |
1640 | && strcmp (basename + 5, "objc-act.h") == 0) | |
1641 | output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c"; | |
1642 | else | |
e2500fed GK |
1643 | { |
1644 | size_t i; | |
3d7aafde | 1645 | |
11a67599 | 1646 | for (i = 0; i < num_lang_dirs; i++) |
8ac9d31f TJ |
1647 | if (memcmp (basename, lang_dir_names[i], strlen (lang_dir_names[i])) == 0 |
1648 | && basename[strlen(lang_dir_names[i])] == '/') | |
e03856fe GK |
1649 | return base_files[i]; |
1650 | ||
1651 | output_name = "gtype-desc.c"; | |
1652 | for_name = NULL; | |
e2500fed GK |
1653 | } |
1654 | ||
1655 | /* Look through to see if we've ever seen this output filename before. */ | |
e03856fe GK |
1656 | for (r = output_files; r; r = r->next) |
1657 | if (strcmp (r->name, output_name) == 0) | |
1658 | return r; | |
e2500fed GK |
1659 | |
1660 | /* If not, create it. */ | |
e03856fe | 1661 | r = create_file (for_name, output_name); |
e2500fed | 1662 | |
e03856fe | 1663 | return r; |
e2500fed GK |
1664 | } |
1665 | ||
9f313342 GK |
1666 | /* The name of an output file, suitable for definitions, that can see |
1667 | declarations made in INPUT_FILE and is linked into every language | |
1668 | that uses INPUT_FILE. */ | |
1669 | ||
e2500fed | 1670 | const char * |
3d7aafde | 1671 | get_output_file_name (const char *input_file) |
e2500fed | 1672 | { |
e03856fe | 1673 | return get_output_file_with_visibility (input_file)->name; |
e2500fed GK |
1674 | } |
1675 | ||
e03856fe | 1676 | /* Copy the output to its final destination, |
9f313342 GK |
1677 | but don't unnecessarily change modification times. */ |
1678 | ||
e2500fed | 1679 | static void |
3d7aafde | 1680 | close_output_files (void) |
e2500fed | 1681 | { |
e03856fe | 1682 | outf_p of; |
3d7aafde | 1683 | |
e03856fe | 1684 | for (of = output_files; of; of = of->next) |
e2500fed | 1685 | { |
e03856fe GK |
1686 | FILE * newfile; |
1687 | ||
1688 | newfile = fopen (of->name, "r"); | |
1689 | if (newfile != NULL ) | |
e2500fed | 1690 | { |
e03856fe GK |
1691 | int no_write_p; |
1692 | size_t i; | |
e2500fed | 1693 | |
e03856fe GK |
1694 | for (i = 0; i < of->bufused; i++) |
1695 | { | |
1696 | int ch; | |
1697 | ch = fgetc (newfile); | |
1698 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1699 | break; | |
1700 | } | |
1701 | no_write_p = i == of->bufused && fgetc (newfile) == EOF; | |
e2500fed | 1702 | fclose (newfile); |
e03856fe GK |
1703 | |
1704 | if (no_write_p) | |
1705 | continue; | |
e2500fed GK |
1706 | } |
1707 | ||
e03856fe | 1708 | newfile = fopen (of->name, "w"); |
e2500fed | 1709 | if (newfile == NULL) |
065ae611 | 1710 | fatal ("opening output file %s: %s", of->name, strerror (errno)); |
e03856fe | 1711 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) |
065ae611 | 1712 | fatal ("writing output file %s: %s", of->name, strerror (errno)); |
e03856fe | 1713 | if (fclose (newfile) != 0) |
065ae611 | 1714 | fatal ("closing output file %s: %s", of->name, strerror (errno)); |
e2500fed GK |
1715 | } |
1716 | } | |
1717 | \f | |
1718 | struct flist { | |
1719 | struct flist *next; | |
1720 | int started_p; | |
1721 | const char *name; | |
e03856fe | 1722 | outf_p f; |
e2500fed GK |
1723 | }; |
1724 | ||
17211ab5 GK |
1725 | struct walk_type_data; |
1726 | ||
1727 | /* For scalars and strings, given the item in 'val'. | |
1728 | For structures, given a pointer to the item in 'val'. | |
1729 | For misc. pointers, given the item in 'val'. | |
1730 | */ | |
3d7aafde AJ |
1731 | typedef void (*process_field_fn) |
1732 | (type_p f, const struct walk_type_data *p); | |
17211ab5 | 1733 | typedef void (*func_name_fn) |
3d7aafde | 1734 | (type_p s, const struct walk_type_data *p); |
17211ab5 GK |
1735 | |
1736 | /* Parameters for write_types. */ | |
1737 | ||
3d7aafde | 1738 | struct write_types_data |
17211ab5 GK |
1739 | { |
1740 | const char *prefix; | |
1741 | const char *param_prefix; | |
1742 | const char *subfield_marker_routine; | |
1743 | const char *marker_routine; | |
1744 | const char *reorder_note_routine; | |
1745 | const char *comment; | |
8d6419b2 | 1746 | int skip_hooks; /* skip hook generation if non zero */ |
17211ab5 GK |
1747 | }; |
1748 | ||
3d7aafde AJ |
1749 | static void output_escaped_param (struct walk_type_data *d, |
1750 | const char *, const char *); | |
e5cfc29f | 1751 | static void output_mangled_typename (outf_p, const_type_p); |
3d7aafde | 1752 | static void walk_type (type_p t, struct walk_type_data *d); |
17211ab5 | 1753 | static void write_func_for_structure |
3d7aafde AJ |
1754 | (type_p orig_s, type_p s, type_p * param, |
1755 | const struct write_types_data *wtd); | |
1756 | static void write_types_process_field | |
1757 | (type_p f, const struct walk_type_data *d); | |
1758 | static void write_types (type_p structures, | |
1759 | type_p param_structs, | |
1760 | const struct write_types_data *wtd); | |
17211ab5 | 1761 | static void write_types_local_process_field |
3d7aafde | 1762 | (type_p f, const struct walk_type_data *d); |
17211ab5 | 1763 | static void write_local_func_for_structure |
3d7aafde AJ |
1764 | (type_p orig_s, type_p s, type_p * param); |
1765 | static void write_local (type_p structures, | |
1766 | type_p param_structs); | |
1767 | static void write_enum_defn (type_p structures, type_p param_structs); | |
1768 | static int contains_scalar_p (type_p t); | |
1769 | static void put_mangled_filename (outf_p , const char *); | |
1770 | static void finish_root_table (struct flist *flp, const char *pfx, | |
1771 | const char *tname, const char *lastname, | |
1772 | const char *name); | |
1773 | static void write_root (outf_p , pair_p, type_p, const char *, int, | |
1774 | struct fileloc *, const char *); | |
1775 | static void write_array (outf_p f, pair_p v, | |
1776 | const struct write_types_data *wtd); | |
1777 | static void write_roots (pair_p); | |
e2500fed | 1778 | |
17211ab5 | 1779 | /* Parameters for walk_type. */ |
e2500fed | 1780 | |
17211ab5 | 1781 | struct walk_type_data |
e2500fed | 1782 | { |
17211ab5 GK |
1783 | process_field_fn process_field; |
1784 | const void *cookie; | |
1785 | outf_p of; | |
1786 | options_p opt; | |
1787 | const char *val; | |
1788 | const char *prev_val[4]; | |
1789 | int indent; | |
1790 | int counter; | |
1791 | struct fileloc *line; | |
1792 | lang_bitmap bitmap; | |
1793 | type_p *param; | |
1794 | int used_length; | |
1795 | type_p orig_s; | |
1796 | const char *reorder_fn; | |
d8044160 GK |
1797 | bool needs_cast_p; |
1798 | bool fn_wants_lvalue; | |
17211ab5 | 1799 | }; |
36a5eadd GK |
1800 | |
1801 | /* Print a mangled name representing T to OF. */ | |
1802 | ||
1803 | static void | |
e5cfc29f | 1804 | output_mangled_typename (outf_p of, const_type_p t) |
36a5eadd GK |
1805 | { |
1806 | if (t == NULL) | |
1807 | oprintf (of, "Z"); | |
1808 | else switch (t->kind) | |
1809 | { | |
1810 | case TYPE_POINTER: | |
1811 | oprintf (of, "P"); | |
1812 | output_mangled_typename (of, t->u.p); | |
1813 | break; | |
1814 | case TYPE_SCALAR: | |
1815 | oprintf (of, "I"); | |
1816 | break; | |
1817 | case TYPE_STRING: | |
1818 | oprintf (of, "S"); | |
1819 | break; | |
1820 | case TYPE_STRUCT: | |
1821 | case TYPE_UNION: | |
1822 | case TYPE_LANG_STRUCT: | |
6d8dd940 | 1823 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), t->u.s.tag); |
36a5eadd GK |
1824 | break; |
1825 | case TYPE_PARAM_STRUCT: | |
1826 | { | |
1827 | int i; | |
1828 | for (i = 0; i < NUM_PARAM; i++) | |
1829 | if (t->u.param_struct.param[i] != NULL) | |
1830 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
3d7aafde | 1831 | output_mangled_typename (of, t->u.param_struct.stru); |
36a5eadd GK |
1832 | } |
1833 | break; | |
1834 | case TYPE_ARRAY: | |
b2d59f6f | 1835 | gcc_unreachable (); |
36a5eadd | 1836 | } |
e2500fed GK |
1837 | } |
1838 | ||
17211ab5 GK |
1839 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
1840 | current object, D->PREV_VAL the object containing the current | |
1841 | object, ONAME is the name of the option and D->LINE is used to | |
1842 | print error messages. */ | |
9f313342 | 1843 | |
e2500fed | 1844 | static void |
3d7aafde AJ |
1845 | output_escaped_param (struct walk_type_data *d, const char *param, |
1846 | const char *oname) | |
e2500fed | 1847 | { |
17211ab5 | 1848 | const char *p; |
3d7aafde | 1849 | |
17211ab5 GK |
1850 | for (p = param; *p; p++) |
1851 | if (*p != '%') | |
1852 | oprintf (d->of, "%c", *p); | |
1853 | else switch (*++p) | |
1854 | { | |
1855 | case 'h': | |
1856 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
1857 | break; | |
1858 | case '0': | |
1859 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
1860 | break; | |
1861 | case '1': | |
1862 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
1863 | break; | |
1864 | case 'a': | |
e2500fed | 1865 | { |
17211ab5 GK |
1866 | const char *pp = d->val + strlen (d->val); |
1867 | while (pp[-1] == ']') | |
1868 | while (*pp != '[') | |
1869 | pp--; | |
1870 | oprintf (d->of, "%s", pp); | |
e2500fed | 1871 | } |
17211ab5 GK |
1872 | break; |
1873 | default: | |
1874 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
1875 | oname, '%', *p); | |
1876 | } | |
1877 | } | |
e2500fed | 1878 | |
17211ab5 GK |
1879 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
1880 | which is of type T. Write code to D->OF to constrain execution (at | |
1881 | the point that D->PROCESS_FIELD is called) to the appropriate | |
4da6879c GK |
1882 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
1883 | pointers to those objects. D->PREV_VAL lists the objects | |
1884 | containing the current object, D->OPT is a list of options to | |
1885 | apply, D->INDENT is the current indentation level, D->LINE is used | |
1886 | to print error messages, D->BITMAP indicates which languages to | |
1887 | print the structure for, and D->PARAM is the current parameter | |
1888 | (from an enclosing param_is option). */ | |
e2500fed | 1889 | |
17211ab5 | 1890 | static void |
3d7aafde | 1891 | walk_type (type_p t, struct walk_type_data *d) |
17211ab5 GK |
1892 | { |
1893 | const char *length = NULL; | |
1894 | const char *desc = NULL; | |
1895 | int maybe_undef_p = 0; | |
1896 | int use_param_num = -1; | |
1897 | int use_params_p = 0; | |
17211ab5 | 1898 | options_p oo; |
b453c95f | 1899 | const struct nested_ptr_data *nested_ptr_d = NULL; |
3d7aafde | 1900 | |
d8044160 | 1901 | d->needs_cast_p = false; |
17211ab5 GK |
1902 | for (oo = d->opt; oo; oo = oo->next) |
1903 | if (strcmp (oo->name, "length") == 0) | |
9e2878cf | 1904 | length = oo->info; |
17211ab5 GK |
1905 | else if (strcmp (oo->name, "maybe_undef") == 0) |
1906 | maybe_undef_p = 1; | |
1907 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
1908 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1909 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
1910 | else if (strcmp (oo->name, "use_params") == 0) | |
1911 | use_params_p = 1; | |
1912 | else if (strcmp (oo->name, "desc") == 0) | |
9e2878cf | 1913 | desc = oo->info; |
8d6419b2 BS |
1914 | else if (strcmp (oo->name, "mark_hook") == 0) |
1915 | ; | |
b453c95f | 1916 | else if (strcmp (oo->name, "nested_ptr") == 0) |
d8044160 | 1917 | nested_ptr_d = (const struct nested_ptr_data *) oo->info; |
17211ab5 GK |
1918 | else if (strcmp (oo->name, "dot") == 0) |
1919 | ; | |
1920 | else if (strcmp (oo->name, "tag") == 0) | |
1921 | ; | |
1922 | else if (strcmp (oo->name, "special") == 0) | |
1923 | ; | |
1924 | else if (strcmp (oo->name, "skip") == 0) | |
1925 | ; | |
1926 | else if (strcmp (oo->name, "default") == 0) | |
1927 | ; | |
1928 | else if (strcmp (oo->name, "descbits") == 0) | |
1929 | ; | |
1930 | else if (strcmp (oo->name, "param_is") == 0) | |
1931 | ; | |
084087e1 RH |
1932 | else if (strncmp (oo->name, "param", 5) == 0 |
1933 | && ISDIGIT (oo->name[5]) | |
1934 | && strcmp (oo->name + 6, "_is") == 0) | |
1935 | ; | |
17211ab5 GK |
1936 | else if (strcmp (oo->name, "chain_next") == 0) |
1937 | ; | |
1938 | else if (strcmp (oo->name, "chain_prev") == 0) | |
1939 | ; | |
1940 | else if (strcmp (oo->name, "reorder") == 0) | |
1941 | ; | |
1942 | else | |
1943 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
36a5eadd | 1944 | |
17211ab5 GK |
1945 | if (d->used_length) |
1946 | length = NULL; | |
36a5eadd | 1947 | |
17211ab5 GK |
1948 | if (use_params_p) |
1949 | { | |
1950 | int pointer_p = t->kind == TYPE_POINTER; | |
3d7aafde | 1951 | |
17211ab5 GK |
1952 | if (pointer_p) |
1953 | t = t->u.p; | |
1954 | if (! UNION_OR_STRUCT_P (t)) | |
1955 | error_at_line (d->line, "`use_params' option on unimplemented type"); | |
3d7aafde | 1956 | else |
17211ab5 GK |
1957 | t = find_param_structure (t, d->param); |
1958 | if (pointer_p) | |
1959 | t = create_pointer (t); | |
1960 | } | |
3d7aafde | 1961 | |
17211ab5 GK |
1962 | if (use_param_num != -1) |
1963 | { | |
1964 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
e2500fed | 1965 | { |
17211ab5 | 1966 | type_p nt = d->param[use_param_num]; |
3d7aafde | 1967 | |
17211ab5 GK |
1968 | if (t->kind == TYPE_ARRAY) |
1969 | nt = create_array (nt, t->u.a.len); | |
1970 | else if (length != NULL && t->kind == TYPE_POINTER) | |
1971 | nt = create_pointer (nt); | |
f099d360 GK |
1972 | d->needs_cast_p = (t->kind != TYPE_POINTER |
1973 | && (nt->kind == TYPE_POINTER | |
1974 | || nt->kind == TYPE_STRING)); | |
17211ab5 | 1975 | t = nt; |
e2500fed | 1976 | } |
17211ab5 GK |
1977 | else |
1978 | error_at_line (d->line, "no parameter defined for `%s'", | |
1979 | d->val); | |
1980 | } | |
3d7aafde AJ |
1981 | |
1982 | if (maybe_undef_p | |
17211ab5 GK |
1983 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) |
1984 | { | |
3d7aafde | 1985 | error_at_line (d->line, |
17211ab5 GK |
1986 | "field `%s' has invalid option `maybe_undef_p'\n", |
1987 | d->val); | |
1988 | return; | |
1989 | } | |
3d7aafde | 1990 | |
17211ab5 GK |
1991 | switch (t->kind) |
1992 | { | |
1993 | case TYPE_SCALAR: | |
1994 | case TYPE_STRING: | |
1995 | d->process_field (t, d); | |
1996 | break; | |
3d7aafde | 1997 | |
17211ab5 GK |
1998 | case TYPE_POINTER: |
1999 | { | |
2000 | if (maybe_undef_p | |
2001 | && t->u.p->u.s.line.file == NULL) | |
2002 | { | |
b2d59f6f | 2003 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
17211ab5 GK |
2004 | break; |
2005 | } | |
e2500fed | 2006 | |
17211ab5 | 2007 | if (! length) |
e2500fed | 2008 | { |
17211ab5 GK |
2009 | if (! UNION_OR_STRUCT_P (t->u.p) |
2010 | && t->u.p->kind != TYPE_PARAM_STRUCT) | |
e2500fed | 2011 | { |
3d7aafde | 2012 | error_at_line (d->line, |
17211ab5 GK |
2013 | "field `%s' is pointer to unimplemented type", |
2014 | d->val); | |
e2500fed GK |
2015 | break; |
2016 | } | |
3d7aafde | 2017 | |
b453c95f GK |
2018 | if (nested_ptr_d) |
2019 | { | |
2020 | const char *oldprevval2 = d->prev_val[2]; | |
2021 | ||
2022 | if (! UNION_OR_STRUCT_P (nested_ptr_d->type)) | |
2023 | { | |
2024 | error_at_line (d->line, | |
2025 | "field `%s' has invalid " | |
2026 | "option `nested_ptr'\n", | |
2027 | d->val); | |
2028 | return; | |
2029 | } | |
2030 | ||
2031 | d->prev_val[2] = d->val; | |
2032 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2033 | d->indent += 2; | |
2034 | d->val = xasprintf ("x%d", d->counter++); | |
d8044160 | 2035 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
b453c95f GK |
2036 | (nested_ptr_d->type->kind == TYPE_UNION |
2037 | ? "union" : "struct"), | |
d8044160 GK |
2038 | nested_ptr_d->type->u.s.tag, |
2039 | d->fn_wants_lvalue ? "" : "const ", | |
2040 | d->val); | |
b453c95f GK |
2041 | oprintf (d->of, "%*s", d->indent + 2, ""); |
2042 | output_escaped_param (d, nested_ptr_d->convert_from, | |
2043 | "nested_ptr"); | |
2044 | oprintf (d->of, ";\n"); | |
2045 | ||
2046 | d->process_field (nested_ptr_d->type, d); | |
2047 | ||
d8044160 GK |
2048 | if (d->fn_wants_lvalue) |
2049 | { | |
2050 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
2051 | d->prev_val[2]); | |
2052 | d->prev_val[2] = d->val; | |
2053 | output_escaped_param (d, nested_ptr_d->convert_to, | |
2054 | "nested_ptr"); | |
2055 | oprintf (d->of, ";\n"); | |
2056 | } | |
b453c95f GK |
2057 | |
2058 | d->indent -= 2; | |
2059 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2060 | d->val = d->prev_val[2]; | |
2061 | d->prev_val[2] = oldprevval2; | |
2062 | } | |
2063 | else | |
2064 | d->process_field (t->u.p, d); | |
e2500fed | 2065 | } |
3d7aafde | 2066 | else |
e2500fed | 2067 | { |
17211ab5 GK |
2068 | int loopcounter = d->counter++; |
2069 | const char *oldval = d->val; | |
2070 | const char *oldprevval3 = d->prev_val[3]; | |
e2500fed GK |
2071 | char *newval; |
2072 | ||
17211ab5 GK |
2073 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
2074 | d->indent += 2; | |
2075 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
a62a0172 | 2076 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, "", |
17211ab5 GK |
2077 | loopcounter, loopcounter); |
2078 | output_escaped_param (d, length, "length"); | |
2079 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
2080 | d->indent += 2; | |
2081 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2082 | d->used_length = 1; | |
2083 | d->prev_val[3] = oldval; | |
2084 | walk_type (t->u.p, d); | |
e2500fed | 2085 | free (newval); |
17211ab5 GK |
2086 | d->val = oldval; |
2087 | d->prev_val[3] = oldprevval3; | |
2088 | d->used_length = 0; | |
2089 | d->indent -= 2; | |
2090 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
4da6879c | 2091 | d->process_field(t, d); |
17211ab5 GK |
2092 | d->indent -= 2; |
2093 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e2500fed | 2094 | } |
17211ab5 GK |
2095 | } |
2096 | break; | |
e2500fed | 2097 | |
17211ab5 GK |
2098 | case TYPE_ARRAY: |
2099 | { | |
2100 | int loopcounter = d->counter++; | |
2101 | const char *oldval = d->val; | |
2102 | char *newval; | |
2103 | ||
6356f892 | 2104 | /* If it's an array of scalars, we optimize by not generating |
17211ab5 GK |
2105 | any code. */ |
2106 | if (t->u.a.p->kind == TYPE_SCALAR) | |
e2500fed | 2107 | break; |
3d7aafde | 2108 | |
5039610b SL |
2109 | /* When walking an array, compute the length and store it in a |
2110 | local variable before walking the array elements, instead of | |
2111 | recomputing the length expression each time through the loop. | |
2112 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
2113 | where the length is stored in the first array element, | |
2114 | because otherwise that operand can get overwritten on the | |
2115 | first iteration. */ | |
17211ab5 GK |
2116 | oprintf (d->of, "%*s{\n", d->indent, ""); |
2117 | d->indent += 2; | |
2118 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
5039610b SL |
2119 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", |
2120 | d->indent, "", loopcounter); | |
17211ab5 GK |
2121 | if (length) |
2122 | output_escaped_param (d, length, "length"); | |
2123 | else | |
2124 | oprintf (d->of, "%s", t->u.a.len); | |
5039610b SL |
2125 | oprintf (d->of, ");\n"); |
2126 | ||
2127 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", | |
2128 | d->indent, "", | |
2129 | loopcounter, loopcounter, loopcounter, loopcounter); | |
17211ab5 GK |
2130 | d->indent += 2; |
2131 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2132 | d->used_length = 1; | |
2133 | walk_type (t->u.a.p, d); | |
2134 | free (newval); | |
2135 | d->used_length = 0; | |
2136 | d->val = oldval; | |
2137 | d->indent -= 2; | |
2138 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2139 | d->indent -= 2; | |
2140 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2141 | } | |
2142 | break; | |
3d7aafde | 2143 | |
17211ab5 GK |
2144 | case TYPE_STRUCT: |
2145 | case TYPE_UNION: | |
2146 | { | |
2147 | pair_p f; | |
2148 | const char *oldval = d->val; | |
2149 | const char *oldprevval1 = d->prev_val[1]; | |
2150 | const char *oldprevval2 = d->prev_val[2]; | |
2151 | const int union_p = t->kind == TYPE_UNION; | |
2152 | int seen_default_p = 0; | |
2153 | options_p o; | |
2154 | ||
2155 | if (! t->u.s.line.file) | |
2156 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); | |
e2500fed | 2157 | |
17211ab5 | 2158 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
e2500fed | 2159 | { |
17211ab5 GK |
2160 | error_at_line (d->line, |
2161 | "structure `%s' defined for mismatching languages", | |
2162 | t->u.s.tag); | |
2163 | error_at_line (&t->u.s.line, "one structure defined here"); | |
2164 | } | |
e2500fed | 2165 | |
17211ab5 GK |
2166 | /* Some things may also be defined in the structure's options. */ |
2167 | for (o = t->u.s.opt; o; o = o->next) | |
2168 | if (! desc && strcmp (o->name, "desc") == 0) | |
9e2878cf | 2169 | desc = o->info; |
e2500fed | 2170 | |
17211ab5 GK |
2171 | d->prev_val[2] = oldval; |
2172 | d->prev_val[1] = oldprevval2; | |
2173 | if (union_p) | |
2174 | { | |
2175 | if (desc == NULL) | |
e2500fed | 2176 | { |
17211ab5 GK |
2177 | error_at_line (d->line, "missing `desc' option for union `%s'", |
2178 | t->u.s.tag); | |
2179 | desc = "1"; | |
e2500fed | 2180 | } |
17211ab5 GK |
2181 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
2182 | output_escaped_param (d, desc, "desc"); | |
2183 | oprintf (d->of, ")\n"); | |
2184 | d->indent += 2; | |
2185 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2186 | } | |
2187 | for (f = t->u.s.fields; f; f = f->next) | |
2188 | { | |
2189 | options_p oo; | |
2190 | const char *dot = "."; | |
2191 | const char *tagid = NULL; | |
2192 | int skip_p = 0; | |
2193 | int default_p = 0; | |
2194 | int use_param_p = 0; | |
2195 | char *newval; | |
2196 | ||
2197 | d->reorder_fn = NULL; | |
2198 | for (oo = f->opt; oo; oo = oo->next) | |
2199 | if (strcmp (oo->name, "dot") == 0) | |
9e2878cf | 2200 | dot = oo->info; |
17211ab5 | 2201 | else if (strcmp (oo->name, "tag") == 0) |
9e2878cf | 2202 | tagid = oo->info; |
17211ab5 GK |
2203 | else if (strcmp (oo->name, "skip") == 0) |
2204 | skip_p = 1; | |
2205 | else if (strcmp (oo->name, "default") == 0) | |
2206 | default_p = 1; | |
2207 | else if (strcmp (oo->name, "reorder") == 0) | |
9e2878cf | 2208 | d->reorder_fn = oo->info; |
17211ab5 GK |
2209 | else if (strncmp (oo->name, "use_param", 9) == 0 |
2210 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2211 | use_param_p = 1; | |
2212 | ||
2213 | if (skip_p) | |
2214 | continue; | |
2215 | ||
2216 | if (union_p && tagid) | |
e2500fed | 2217 | { |
17211ab5 GK |
2218 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
2219 | d->indent += 2; | |
e2500fed | 2220 | } |
17211ab5 | 2221 | else if (union_p && default_p) |
e2500fed | 2222 | { |
17211ab5 GK |
2223 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
2224 | d->indent += 2; | |
2225 | seen_default_p = 1; | |
e2500fed | 2226 | } |
17211ab5 | 2227 | else if (! union_p && (default_p || tagid)) |
3d7aafde | 2228 | error_at_line (d->line, |
17211ab5 GK |
2229 | "can't use `%s' outside a union on field `%s'", |
2230 | default_p ? "default" : "tag", f->name); | |
2231 | else if (union_p && ! (default_p || tagid) | |
2232 | && f->type->kind == TYPE_SCALAR) | |
e2500fed | 2233 | { |
17211ab5 GK |
2234 | fprintf (stderr, |
2235 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", | |
2236 | d->line->file, d->line->line, f->name); | |
2237 | continue; | |
e2500fed | 2238 | } |
17211ab5 | 2239 | else if (union_p && ! (default_p || tagid)) |
3d7aafde | 2240 | error_at_line (d->line, |
17211ab5 | 2241 | "field `%s' is missing `tag' or `default' option", |
e2500fed | 2242 | f->name); |
3d7aafde | 2243 | |
17211ab5 GK |
2244 | d->line = &f->line; |
2245 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
2246 | d->opt = f->opt; | |
d8044160 | 2247 | d->used_length = false; |
17211ab5 GK |
2248 | |
2249 | if (union_p && use_param_p && d->param == NULL) | |
b2d59f6f | 2250 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
17211ab5 GK |
2251 | else |
2252 | walk_type (f->type, d); | |
2253 | ||
2254 | free (newval); | |
2255 | ||
2256 | if (union_p) | |
e2500fed | 2257 | { |
17211ab5 GK |
2258 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
2259 | d->indent -= 2; | |
e2500fed | 2260 | } |
17211ab5 GK |
2261 | } |
2262 | d->reorder_fn = NULL; | |
e2500fed | 2263 | |
17211ab5 GK |
2264 | d->val = oldval; |
2265 | d->prev_val[1] = oldprevval1; | |
2266 | d->prev_val[2] = oldprevval2; | |
2267 | ||
2268 | if (union_p && ! seen_default_p) | |
2269 | { | |
2270 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
2271 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
2272 | } | |
2273 | if (union_p) | |
2274 | { | |
2275 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2276 | d->indent -= 2; | |
e2500fed | 2277 | } |
17211ab5 GK |
2278 | } |
2279 | break; | |
e2500fed | 2280 | |
17211ab5 GK |
2281 | case TYPE_LANG_STRUCT: |
2282 | { | |
2283 | type_p nt; | |
2284 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
2285 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
2286 | break; | |
2287 | if (nt == NULL) | |
2288 | error_at_line (d->line, "structure `%s' differs between languages", | |
2289 | t->u.s.tag); | |
2290 | else | |
2291 | walk_type (nt, d); | |
2292 | } | |
2293 | break; | |
2294 | ||
2295 | case TYPE_PARAM_STRUCT: | |
2296 | { | |
2297 | type_p *oldparam = d->param; | |
3d7aafde | 2298 | |
17211ab5 GK |
2299 | d->param = t->u.param_struct.param; |
2300 | walk_type (t->u.param_struct.stru, d); | |
2301 | d->param = oldparam; | |
2302 | } | |
2303 | break; | |
3d7aafde | 2304 | |
17211ab5 | 2305 | default: |
b2d59f6f | 2306 | gcc_unreachable (); |
e2500fed | 2307 | } |
17211ab5 GK |
2308 | } |
2309 | ||
2310 | /* process_field routine for marking routines. */ | |
2311 | ||
2312 | static void | |
3d7aafde | 2313 | write_types_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2314 | { |
2315 | const struct write_types_data *wtd; | |
f099d360 | 2316 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
17211ab5 | 2317 | wtd = (const struct write_types_data *) d->cookie; |
3d7aafde | 2318 | |
17211ab5 | 2319 | switch (f->kind) |
e2500fed | 2320 | { |
17211ab5 | 2321 | case TYPE_POINTER: |
3d7aafde | 2322 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
f099d360 | 2323 | wtd->subfield_marker_routine, cast, d->val); |
17211ab5 | 2324 | if (wtd->param_prefix) |
36a5eadd | 2325 | { |
17211ab5 GK |
2326 | oprintf (d->of, ", %s", d->prev_val[3]); |
2327 | if (d->orig_s) | |
2328 | { | |
2329 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
2330 | output_mangled_typename (d->of, d->orig_s); | |
2331 | } | |
2332 | else | |
2333 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
08cee789 DJ |
2334 | |
2335 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
2336 | && f->u.p->u.s.line.file != NULL) | |
2337 | { | |
2338 | oprintf (d->of, ", gt_e_"); | |
2339 | output_mangled_typename (d->of, f); | |
2340 | } | |
2341 | else if (UNION_OR_STRUCT_P (f) | |
2342 | && f->u.p->u.s.line.file != NULL) | |
2343 | { | |
2344 | oprintf (d->of, ", gt_ggc_e_"); | |
2345 | output_mangled_typename (d->of, f); | |
2346 | } | |
2347 | else | |
2348 | oprintf (d->of, ", gt_types_enum_last"); | |
36a5eadd | 2349 | } |
17211ab5 GK |
2350 | oprintf (d->of, ");\n"); |
2351 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3d7aafde | 2352 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
f099d360 | 2353 | wtd->reorder_note_routine, cast, d->val, |
17211ab5 GK |
2354 | d->prev_val[3], d->reorder_fn); |
2355 | break; | |
2356 | ||
2357 | case TYPE_STRING: | |
2358 | if (wtd->param_prefix == NULL) | |
2359 | break; | |
2360 | ||
2361 | case TYPE_STRUCT: | |
2362 | case TYPE_UNION: | |
2363 | case TYPE_LANG_STRUCT: | |
2364 | case TYPE_PARAM_STRUCT: | |
2365 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
2366 | output_mangled_typename (d->of, f); | |
f099d360 | 2367 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
17211ab5 | 2368 | if (d->reorder_fn && wtd->reorder_note_routine) |
3d7aafde | 2369 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
f099d360 | 2370 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
17211ab5 GK |
2371 | d->reorder_fn); |
2372 | break; | |
2373 | ||
2374 | case TYPE_SCALAR: | |
2375 | break; | |
3d7aafde | 2376 | |
17211ab5 | 2377 | default: |
b2d59f6f | 2378 | gcc_unreachable (); |
e2500fed GK |
2379 | } |
2380 | } | |
2381 | ||
2d82317d RH |
2382 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
2383 | ||
2384 | static void | |
2385 | output_type_enum (outf_p of, type_p s) | |
2386 | { | |
2387 | if (s->kind == TYPE_PARAM_STRUCT && s->u.s.line.file != NULL) | |
2388 | { | |
2389 | oprintf (of, ", gt_e_"); | |
2390 | output_mangled_typename (of, s); | |
2391 | } | |
2392 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
2393 | { | |
2394 | oprintf (of, ", gt_ggc_e_"); | |
2395 | output_mangled_typename (of, s); | |
2396 | } | |
2397 | else | |
2398 | oprintf (of, ", gt_types_enum_last"); | |
2399 | } | |
2400 | ||
17211ab5 GK |
2401 | /* For S, a structure that's part of ORIG_S, and using parameters |
2402 | PARAM, write out a routine that: | |
2403 | - Takes a parameter, a void * but actually of type *S | |
2404 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
2405 | field of S or its substructures and (in some cases) things | |
2406 | that are pointed to by S. | |
2407 | */ | |
9f313342 | 2408 | |
e2500fed | 2409 | static void |
8c80adb7 SB |
2410 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
2411 | const struct write_types_data *wtd) | |
e2500fed | 2412 | { |
36a5eadd GK |
2413 | const char *fn = s->u.s.line.file; |
2414 | int i; | |
2415 | const char *chain_next = NULL; | |
2416 | const char *chain_prev = NULL; | |
8d6419b2 | 2417 | const char *mark_hook_name = NULL; |
36a5eadd | 2418 | options_p opt; |
17211ab5 | 2419 | struct walk_type_data d; |
3d7aafde | 2420 | |
36a5eadd GK |
2421 | /* This is a hack, and not the good kind either. */ |
2422 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2423 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
36a5eadd GK |
2424 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2425 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2426 | |
17211ab5 GK |
2427 | memset (&d, 0, sizeof (d)); |
2428 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 2429 | |
36a5eadd GK |
2430 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2431 | if (strcmp (opt->name, "chain_next") == 0) | |
9e2878cf | 2432 | chain_next = opt->info; |
36a5eadd | 2433 | else if (strcmp (opt->name, "chain_prev") == 0) |
9e2878cf | 2434 | chain_prev = opt->info; |
8d6419b2 BS |
2435 | else if (strcmp (opt->name, "mark_hook") == 0) |
2436 | mark_hook_name = opt->info; | |
36a5eadd GK |
2437 | |
2438 | if (chain_prev != NULL && chain_next == NULL) | |
2439 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
2440 | ||
17211ab5 GK |
2441 | d.process_field = write_types_process_field; |
2442 | d.cookie = wtd; | |
2443 | d.orig_s = orig_s; | |
2444 | d.opt = s->u.s.opt; | |
2445 | d.line = &s->u.s.line; | |
2446 | d.bitmap = s->u.s.bitmap; | |
2447 | d.param = param; | |
2448 | d.prev_val[0] = "*x"; | |
e0a21ab9 | 2449 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2450 | d.prev_val[3] = "x"; |
2451 | d.val = "(*x)"; | |
2452 | ||
2453 | oprintf (d.of, "\n"); | |
2454 | oprintf (d.of, "void\n"); | |
e2500fed | 2455 | if (param == NULL) |
17211ab5 | 2456 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
e2500fed | 2457 | else |
36a5eadd | 2458 | { |
17211ab5 GK |
2459 | oprintf (d.of, "gt_%s_", wtd->prefix); |
2460 | output_mangled_typename (d.of, orig_s); | |
36a5eadd | 2461 | } |
6906ba40 | 2462 | oprintf (d.of, " (void *x_p)\n"); |
17211ab5 GK |
2463 | oprintf (d.of, "{\n"); |
2464 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
e2500fed | 2465 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
36a5eadd | 2466 | chain_next == NULL ? "const " : "", |
e2500fed | 2467 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
36a5eadd | 2468 | if (chain_next != NULL) |
17211ab5 | 2469 | oprintf (d.of, " %s %s * xlimit = x;\n", |
36a5eadd GK |
2470 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
2471 | if (chain_next == NULL) | |
17211ab5 GK |
2472 | { |
2473 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
2474 | if (wtd->param_prefix) | |
2475 | { | |
2476 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2477 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2478 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2479 | } |
2480 | oprintf (d.of, "))\n"); | |
2481 | } | |
36a5eadd GK |
2482 | else |
2483 | { | |
17211ab5 GK |
2484 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); |
2485 | if (wtd->param_prefix) | |
2486 | { | |
2487 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2488 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2489 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2490 | } |
2491 | oprintf (d.of, "))\n"); | |
8d6419b2 BS |
2492 | if (mark_hook_name && !wtd->skip_hooks) |
2493 | { | |
2494 | oprintf (d.of, " {\n"); | |
2495 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
2496 | } | |
17211ab5 GK |
2497 | oprintf (d.of, " xlimit = ("); |
2498 | d.prev_val[2] = "*xlimit"; | |
2499 | output_escaped_param (&d, chain_next, "chain_next"); | |
2500 | oprintf (d.of, ");\n"); | |
8d6419b2 BS |
2501 | if (mark_hook_name && !wtd->skip_hooks) |
2502 | oprintf (d.of, " }\n"); | |
36a5eadd GK |
2503 | if (chain_prev != NULL) |
2504 | { | |
17211ab5 GK |
2505 | oprintf (d.of, " if (x != xlimit)\n"); |
2506 | oprintf (d.of, " for (;;)\n"); | |
2507 | oprintf (d.of, " {\n"); | |
2508 | oprintf (d.of, " %s %s * const xprev = (", | |
36a5eadd | 2509 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3d7aafde | 2510 | |
17211ab5 GK |
2511 | d.prev_val[2] = "*x"; |
2512 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2513 | oprintf (d.of, ");\n"); | |
2514 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2515 | oprintf (d.of, " x = xprev;\n"); | |
3d7aafde | 2516 | oprintf (d.of, " (void) %s (xprev", |
17211ab5 GK |
2517 | wtd->marker_routine); |
2518 | if (wtd->param_prefix) | |
2519 | { | |
2520 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2521 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2522 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2523 | } |
2524 | oprintf (d.of, ");\n"); | |
2525 | oprintf (d.of, " }\n"); | |
36a5eadd | 2526 | } |
17211ab5 | 2527 | oprintf (d.of, " while (x != xlimit)\n"); |
36a5eadd | 2528 | } |
17211ab5 | 2529 | oprintf (d.of, " {\n"); |
8d6419b2 BS |
2530 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
2531 | { | |
2532 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
2533 | } | |
17211ab5 GK |
2534 | d.prev_val[2] = "*x"; |
2535 | d.indent = 6; | |
2536 | walk_type (s, &d); | |
3d7aafde | 2537 | |
36a5eadd GK |
2538 | if (chain_next != NULL) |
2539 | { | |
17211ab5 GK |
2540 | oprintf (d.of, " x = ("); |
2541 | output_escaped_param (&d, chain_next, "chain_next"); | |
2542 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
2543 | } |
2544 | ||
17211ab5 GK |
2545 | oprintf (d.of, " }\n"); |
2546 | oprintf (d.of, "}\n"); | |
e2500fed | 2547 | } |
9f313342 GK |
2548 | |
2549 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
e2500fed GK |
2550 | |
2551 | static void | |
3d7aafde AJ |
2552 | write_types (type_p structures, type_p param_structs, |
2553 | const struct write_types_data *wtd) | |
e2500fed GK |
2554 | { |
2555 | type_p s; | |
3d7aafde | 2556 | |
17211ab5 | 2557 | oprintf (header_file, "\n/* %s*/\n", wtd->comment); |
e2500fed GK |
2558 | for (s = structures; s; s = s->next) |
2559 | if (s->gc_used == GC_POINTED_TO | |
2560 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2561 | { | |
2562 | options_p opt; | |
3d7aafde | 2563 | |
e2500fed GK |
2564 | if (s->gc_used == GC_MAYBE_POINTED_TO |
2565 | && s->u.s.line.file == NULL) | |
2566 | continue; | |
2567 | ||
17211ab5 | 2568 | oprintf (header_file, "#define gt_%s_", wtd->prefix); |
36a5eadd GK |
2569 | output_mangled_typename (header_file, s); |
2570 | oprintf (header_file, "(X) do { \\\n"); | |
e03856fe | 2571 | oprintf (header_file, |
3d7aafde | 2572 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
17211ab5 | 2573 | s->u.s.tag); |
e03856fe | 2574 | oprintf (header_file, |
e2500fed | 2575 | " } while (0)\n"); |
3d7aafde | 2576 | |
e2500fed GK |
2577 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2578 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2579 | { | |
e5cfc29f | 2580 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2581 | if (t->kind == TYPE_STRUCT |
e2500fed GK |
2582 | || t->kind == TYPE_UNION |
2583 | || t->kind == TYPE_LANG_STRUCT) | |
e03856fe | 2584 | oprintf (header_file, |
17211ab5 GK |
2585 | "#define gt_%sx_%s gt_%sx_%s\n", |
2586 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
e2500fed | 2587 | else |
3d7aafde | 2588 | error_at_line (&s->u.s.line, |
e2500fed GK |
2589 | "structure alias is not a structure"); |
2590 | break; | |
2591 | } | |
2592 | if (opt) | |
2593 | continue; | |
2594 | ||
2595 | /* Declare the marker procedure only once. */ | |
3d7aafde AJ |
2596 | oprintf (header_file, |
2597 | "extern void gt_%sx_%s (void *);\n", | |
17211ab5 | 2598 | wtd->prefix, s->u.s.tag); |
3d7aafde | 2599 | |
e2500fed GK |
2600 | if (s->u.s.line.file == NULL) |
2601 | { | |
3d7aafde | 2602 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2603 | s->u.s.tag); |
2604 | continue; | |
2605 | } | |
3d7aafde | 2606 | |
e2500fed GK |
2607 | if (s->kind == TYPE_LANG_STRUCT) |
2608 | { | |
2609 | type_p ss; | |
2610 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 | 2611 | write_func_for_structure (s, ss, NULL, wtd); |
e2500fed GK |
2612 | } |
2613 | else | |
17211ab5 | 2614 | write_func_for_structure (s, s, NULL, wtd); |
e2500fed GK |
2615 | } |
2616 | ||
2617 | for (s = param_structs; s; s = s->next) | |
2618 | if (s->gc_used == GC_POINTED_TO) | |
2619 | { | |
36a5eadd | 2620 | type_p * param = s->u.param_struct.param; |
e2500fed GK |
2621 | type_p stru = s->u.param_struct.stru; |
2622 | ||
e2500fed | 2623 | /* Declare the marker procedure. */ |
17211ab5 | 2624 | oprintf (header_file, "extern void gt_%s_", wtd->prefix); |
36a5eadd | 2625 | output_mangled_typename (header_file, s); |
3d7aafde AJ |
2626 | oprintf (header_file, " (void *);\n"); |
2627 | ||
e2500fed GK |
2628 | if (stru->u.s.line.file == NULL) |
2629 | { | |
3d7aafde | 2630 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2631 | s->u.s.tag); |
2632 | continue; | |
2633 | } | |
3d7aafde | 2634 | |
e2500fed GK |
2635 | if (stru->kind == TYPE_LANG_STRUCT) |
2636 | { | |
2637 | type_p ss; | |
2638 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 GK |
2639 | write_func_for_structure (s, ss, param, wtd); |
2640 | } | |
2641 | else | |
2642 | write_func_for_structure (s, stru, param, wtd); | |
2643 | } | |
2644 | } | |
2645 | ||
2646 | static const struct write_types_data ggc_wtd = | |
2647 | { | |
2648 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, | |
8d6419b2 BS |
2649 | "GC marker procedures. ", |
2650 | FALSE | |
17211ab5 GK |
2651 | }; |
2652 | ||
2653 | static const struct write_types_data pch_wtd = | |
2654 | { | |
2655 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", | |
2656 | "gt_pch_note_reorder", | |
8d6419b2 BS |
2657 | "PCH type-walking procedures. ", |
2658 | TRUE | |
17211ab5 GK |
2659 | }; |
2660 | ||
2661 | /* Write out the local pointer-walking routines. */ | |
2662 | ||
2663 | /* process_field routine for local pointer-walking. */ | |
2664 | ||
2665 | static void | |
3d7aafde | 2666 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2667 | { |
2668 | switch (f->kind) | |
2669 | { | |
2670 | case TYPE_POINTER: | |
2671 | case TYPE_STRUCT: | |
2672 | case TYPE_UNION: | |
2673 | case TYPE_LANG_STRUCT: | |
2674 | case TYPE_PARAM_STRUCT: | |
2675 | case TYPE_STRING: | |
2676 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
2677 | d->prev_val[3]); | |
2678 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
2679 | break; | |
2680 | ||
2681 | case TYPE_SCALAR: | |
2682 | break; | |
3d7aafde | 2683 | |
17211ab5 | 2684 | default: |
b2d59f6f | 2685 | gcc_unreachable (); |
17211ab5 GK |
2686 | } |
2687 | } | |
2688 | ||
2689 | /* For S, a structure that's part of ORIG_S, and using parameters | |
2690 | PARAM, write out a routine that: | |
2691 | - Is of type gt_note_pointers | |
d8044160 | 2692 | - Calls PROCESS_FIELD on each field of S or its substructures. |
17211ab5 GK |
2693 | */ |
2694 | ||
2695 | static void | |
3d7aafde | 2696 | write_local_func_for_structure (type_p orig_s, type_p s, type_p *param) |
17211ab5 GK |
2697 | { |
2698 | const char *fn = s->u.s.line.file; | |
2699 | int i; | |
2700 | struct walk_type_data d; | |
3d7aafde | 2701 | |
17211ab5 GK |
2702 | /* This is a hack, and not the good kind either. */ |
2703 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2704 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
17211ab5 GK |
2705 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2706 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2707 | |
17211ab5 GK |
2708 | memset (&d, 0, sizeof (d)); |
2709 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 2710 | |
17211ab5 GK |
2711 | d.process_field = write_types_local_process_field; |
2712 | d.opt = s->u.s.opt; | |
2713 | d.line = &s->u.s.line; | |
2714 | d.bitmap = s->u.s.bitmap; | |
2715 | d.param = param; | |
2716 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
e0a21ab9 | 2717 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2718 | d.prev_val[3] = "x"; |
2719 | d.val = "(*x)"; | |
d8044160 | 2720 | d.fn_wants_lvalue = true; |
17211ab5 GK |
2721 | |
2722 | oprintf (d.of, "\n"); | |
2723 | oprintf (d.of, "void\n"); | |
2724 | oprintf (d.of, "gt_pch_p_"); | |
2725 | output_mangled_typename (d.of, orig_s); | |
e18476eb BI |
2726 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
2727 | "\tvoid *x_p,\n" | |
2728 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
2729 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
17211ab5 GK |
2730 | oprintf (d.of, "{\n"); |
2731 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
2732 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
2733 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
2734 | d.indent = 2; | |
2735 | walk_type (s, &d); | |
2736 | oprintf (d.of, "}\n"); | |
2737 | } | |
2738 | ||
2739 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
2740 | ||
2741 | static void | |
3d7aafde | 2742 | write_local (type_p structures, type_p param_structs) |
17211ab5 GK |
2743 | { |
2744 | type_p s; | |
3d7aafde | 2745 | |
17211ab5 GK |
2746 | oprintf (header_file, "\n/* Local pointer-walking routines. */\n"); |
2747 | for (s = structures; s; s = s->next) | |
2748 | if (s->gc_used == GC_POINTED_TO | |
2749 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2750 | { | |
2751 | options_p opt; | |
3d7aafde | 2752 | |
17211ab5 GK |
2753 | if (s->u.s.line.file == NULL) |
2754 | continue; | |
2755 | ||
2756 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2757 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2758 | { | |
e5cfc29f | 2759 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2760 | if (t->kind == TYPE_STRUCT |
17211ab5 GK |
2761 | || t->kind == TYPE_UNION |
2762 | || t->kind == TYPE_LANG_STRUCT) | |
2763 | { | |
2764 | oprintf (header_file, "#define gt_pch_p_"); | |
2765 | output_mangled_typename (header_file, s); | |
2766 | oprintf (header_file, " gt_pch_p_"); | |
2767 | output_mangled_typename (header_file, t); | |
2768 | oprintf (header_file, "\n"); | |
2769 | } | |
2770 | else | |
3d7aafde | 2771 | error_at_line (&s->u.s.line, |
17211ab5 GK |
2772 | "structure alias is not a structure"); |
2773 | break; | |
2774 | } | |
2775 | if (opt) | |
2776 | continue; | |
2777 | ||
2778 | /* Declare the marker procedure only once. */ | |
2779 | oprintf (header_file, "extern void gt_pch_p_"); | |
2780 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2781 | oprintf (header_file, |
2782 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2783 | ||
17211ab5 GK |
2784 | if (s->kind == TYPE_LANG_STRUCT) |
2785 | { | |
2786 | type_p ss; | |
2787 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2788 | write_local_func_for_structure (s, ss, NULL); | |
2789 | } | |
2790 | else | |
2791 | write_local_func_for_structure (s, s, NULL); | |
2792 | } | |
2793 | ||
2794 | for (s = param_structs; s; s = s->next) | |
2795 | if (s->gc_used == GC_POINTED_TO) | |
2796 | { | |
2797 | type_p * param = s->u.param_struct.param; | |
2798 | type_p stru = s->u.param_struct.stru; | |
2799 | ||
2800 | /* Declare the marker procedure. */ | |
2801 | oprintf (header_file, "extern void gt_pch_p_"); | |
2802 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2803 | oprintf (header_file, |
2804 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2805 | ||
17211ab5 GK |
2806 | if (stru->u.s.line.file == NULL) |
2807 | { | |
3d7aafde | 2808 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
17211ab5 GK |
2809 | s->u.s.tag); |
2810 | continue; | |
2811 | } | |
3d7aafde | 2812 | |
17211ab5 GK |
2813 | if (stru->kind == TYPE_LANG_STRUCT) |
2814 | { | |
2815 | type_p ss; | |
2816 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
2817 | write_local_func_for_structure (s, ss, param); | |
e2500fed GK |
2818 | } |
2819 | else | |
17211ab5 | 2820 | write_local_func_for_structure (s, stru, param); |
36a5eadd GK |
2821 | } |
2822 | } | |
2823 | ||
2824 | /* Write out the 'enum' definition for gt_types_enum. */ | |
2825 | ||
2826 | static void | |
8c80adb7 | 2827 | write_enum_defn (type_p structures, type_p param_structs) |
36a5eadd GK |
2828 | { |
2829 | type_p s; | |
3d7aafde | 2830 | |
36a5eadd GK |
2831 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
2832 | oprintf (header_file, "enum gt_types_enum {\n"); | |
2833 | for (s = structures; s; s = s->next) | |
2834 | if (s->gc_used == GC_POINTED_TO | |
2835 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2836 | { | |
2837 | if (s->gc_used == GC_MAYBE_POINTED_TO | |
2838 | && s->u.s.line.file == NULL) | |
2839 | continue; | |
2840 | ||
2841 | oprintf (header_file, " gt_ggc_e_"); | |
2842 | output_mangled_typename (header_file, s); | |
2843 | oprintf (header_file, ", \n"); | |
e2500fed | 2844 | } |
36a5eadd GK |
2845 | for (s = param_structs; s; s = s->next) |
2846 | if (s->gc_used == GC_POINTED_TO) | |
2847 | { | |
2848 | oprintf (header_file, " gt_e_"); | |
2849 | output_mangled_typename (header_file, s); | |
2850 | oprintf (header_file, ", \n"); | |
2851 | } | |
2852 | oprintf (header_file, " gt_types_enum_last\n"); | |
2853 | oprintf (header_file, "};\n"); | |
e2500fed GK |
2854 | } |
2855 | ||
17211ab5 GK |
2856 | /* Might T contain any non-pointer elements? */ |
2857 | ||
2858 | static int | |
3d7aafde | 2859 | contains_scalar_p (type_p t) |
17211ab5 GK |
2860 | { |
2861 | switch (t->kind) | |
2862 | { | |
2863 | case TYPE_STRING: | |
2864 | case TYPE_POINTER: | |
2865 | return 0; | |
2866 | case TYPE_ARRAY: | |
2867 | return contains_scalar_p (t->u.a.p); | |
2868 | default: | |
2869 | /* Could also check for structures that have no non-pointer | |
2870 | fields, but there aren't enough of those to worry about. */ | |
2871 | return 1; | |
2872 | } | |
2873 | } | |
36a5eadd | 2874 | |
9f313342 GK |
2875 | /* Mangle FN and print it to F. */ |
2876 | ||
e2500fed | 2877 | static void |
3d7aafde | 2878 | put_mangled_filename (outf_p f, const char *fn) |
e2500fed GK |
2879 | { |
2880 | const char *name = get_output_file_name (fn); | |
2881 | for (; *name != 0; name++) | |
1f8e4682 | 2882 | if (ISALNUM (*name)) |
e03856fe | 2883 | oprintf (f, "%c", *name); |
e2500fed | 2884 | else |
e03856fe | 2885 | oprintf (f, "%c", '_'); |
e2500fed GK |
2886 | } |
2887 | ||
9f313342 GK |
2888 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
2889 | LASTNAME, and NAME are all strings to insert in various places in | |
2890 | the resulting code. */ | |
2891 | ||
e2500fed | 2892 | static void |
3d7aafde AJ |
2893 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
2894 | const char *tname, const char *name) | |
e2500fed GK |
2895 | { |
2896 | struct flist *fli2; | |
3d7aafde | 2897 | |
e2500fed GK |
2898 | for (fli2 = flp; fli2; fli2 = fli2->next) |
2899 | if (fli2->started_p) | |
2900 | { | |
e03856fe GK |
2901 | oprintf (fli2->f, " %s\n", lastname); |
2902 | oprintf (fli2->f, "};\n\n"); | |
e2500fed GK |
2903 | } |
2904 | ||
2905 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2906 | if (fli2->started_p) | |
2907 | { | |
11a67599 | 2908 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
2909 | int fnum; |
2910 | ||
2911 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2912 | if (bitmap & 1) | |
2913 | { | |
e03856fe | 2914 | oprintf (base_files[fnum], |
17211ab5 | 2915 | "extern const struct %s gt_%s_", |
e2500fed GK |
2916 | tname, pfx); |
2917 | put_mangled_filename (base_files[fnum], fli2->name); | |
e03856fe | 2918 | oprintf (base_files[fnum], "[];\n"); |
e2500fed GK |
2919 | } |
2920 | } | |
3d7aafde | 2921 | |
17211ab5 GK |
2922 | { |
2923 | size_t fnum; | |
11a67599 | 2924 | for (fnum = 0; fnum < num_lang_dirs; fnum++) |
17211ab5 GK |
2925 | oprintf (base_files [fnum], |
2926 | "const struct %s * const %s[] = {\n", | |
2927 | tname, name); | |
2928 | } | |
3d7aafde | 2929 | |
e2500fed GK |
2930 | |
2931 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2932 | if (fli2->started_p) | |
2933 | { | |
11a67599 | 2934 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
2935 | int fnum; |
2936 | ||
2937 | fli2->started_p = 0; | |
2938 | ||
2939 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2940 | if (bitmap & 1) | |
2941 | { | |
17211ab5 | 2942 | oprintf (base_files[fnum], " gt_%s_", pfx); |
e2500fed | 2943 | put_mangled_filename (base_files[fnum], fli2->name); |
e03856fe | 2944 | oprintf (base_files[fnum], ",\n"); |
e2500fed GK |
2945 | } |
2946 | } | |
2947 | ||
2948 | { | |
17211ab5 | 2949 | size_t fnum; |
11a67599 | 2950 | for (fnum = 0; fnum < num_lang_dirs; fnum++) |
17211ab5 GK |
2951 | { |
2952 | oprintf (base_files[fnum], " NULL\n"); | |
2953 | oprintf (base_files[fnum], "};\n"); | |
2954 | } | |
e2500fed GK |
2955 | } |
2956 | } | |
2957 | ||
9f313342 GK |
2958 | /* Write out to F the table entry and any marker routines needed to |
2959 | mark NAME as TYPE. The original variable is V, at LINE. | |
2960 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED | |
2961 | is nonzero iff we are building the root table for hash table caches. */ | |
2962 | ||
e2500fed | 2963 | static void |
3d7aafde AJ |
2964 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
2965 | struct fileloc *line, const char *if_marked) | |
e2500fed GK |
2966 | { |
2967 | switch (type->kind) | |
2968 | { | |
2969 | case TYPE_STRUCT: | |
2970 | { | |
2971 | pair_p fld; | |
2972 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
2973 | { | |
2974 | int skip_p = 0; | |
2975 | const char *desc = NULL; | |
2976 | options_p o; | |
3d7aafde | 2977 | |
e2500fed GK |
2978 | for (o = fld->opt; o; o = o->next) |
2979 | if (strcmp (o->name, "skip") == 0) | |
2980 | skip_p = 1; | |
2981 | else if (strcmp (o->name, "desc") == 0) | |
9e2878cf | 2982 | desc = o->info; |
69c32ec8 JH |
2983 | else if (strcmp (o->name, "param_is") == 0) |
2984 | ; | |
e2500fed GK |
2985 | else |
2986 | error_at_line (line, | |
2987 | "field `%s' of global `%s' has unknown option `%s'", | |
2988 | fld->name, name, o->name); | |
3d7aafde | 2989 | |
e2500fed GK |
2990 | if (skip_p) |
2991 | continue; | |
2992 | else if (desc && fld->type->kind == TYPE_UNION) | |
2993 | { | |
2994 | pair_p validf = NULL; | |
2995 | pair_p ufld; | |
3d7aafde | 2996 | |
e2500fed GK |
2997 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
2998 | { | |
2999 | const char *tag = NULL; | |
3000 | options_p oo; | |
3d7aafde | 3001 | |
e2500fed GK |
3002 | for (oo = ufld->opt; oo; oo = oo->next) |
3003 | if (strcmp (oo->name, "tag") == 0) | |
9e2878cf | 3004 | tag = oo->info; |
e2500fed GK |
3005 | if (tag == NULL || strcmp (tag, desc) != 0) |
3006 | continue; | |
3007 | if (validf != NULL) | |
3d7aafde | 3008 | error_at_line (line, |
e2500fed GK |
3009 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
3010 | name, fld->name, validf->name, | |
3011 | name, fld->name, ufld->name, | |
3012 | tag); | |
3013 | validf = ufld; | |
3014 | } | |
3015 | if (validf != NULL) | |
3016 | { | |
3017 | char *newname; | |
3d7aafde | 3018 | newname = xasprintf ("%s.%s.%s", |
e03856fe | 3019 | name, fld->name, validf->name); |
17211ab5 GK |
3020 | write_root (f, v, validf->type, newname, 0, line, |
3021 | if_marked); | |
e2500fed GK |
3022 | free (newname); |
3023 | } | |
3024 | } | |
3025 | else if (desc) | |
3d7aafde | 3026 | error_at_line (line, |
e2500fed GK |
3027 | "global `%s.%s' has `desc' option but is not union", |
3028 | name, fld->name); | |
3029 | else | |
3030 | { | |
3031 | char *newname; | |
e03856fe | 3032 | newname = xasprintf ("%s.%s", name, fld->name); |
17211ab5 | 3033 | write_root (f, v, fld->type, newname, 0, line, if_marked); |
e2500fed GK |
3034 | free (newname); |
3035 | } | |
3036 | } | |
3037 | } | |
3038 | break; | |
3039 | ||
3040 | case TYPE_ARRAY: | |
3041 | { | |
3042 | char *newname; | |
e03856fe | 3043 | newname = xasprintf ("%s[0]", name); |
17211ab5 | 3044 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked); |
e2500fed GK |
3045 | free (newname); |
3046 | } | |
3047 | break; | |
3d7aafde | 3048 | |
e2500fed GK |
3049 | case TYPE_POINTER: |
3050 | { | |
3051 | type_p ap, tp; | |
3d7aafde | 3052 | |
e03856fe GK |
3053 | oprintf (f, " {\n"); |
3054 | oprintf (f, " &%s,\n", name); | |
3055 | oprintf (f, " 1"); | |
3d7aafde | 3056 | |
e2500fed GK |
3057 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
3058 | if (ap->u.a.len[0]) | |
e03856fe | 3059 | oprintf (f, " * (%s)", ap->u.a.len); |
e2500fed | 3060 | else if (ap == v->type) |
62c71f4b | 3061 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); |
e03856fe GK |
3062 | oprintf (f, ",\n"); |
3063 | oprintf (f, " sizeof (%s", v->name); | |
e2500fed | 3064 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
e03856fe GK |
3065 | oprintf (f, "[0]"); |
3066 | oprintf (f, "),\n"); | |
3d7aafde | 3067 | |
e2500fed | 3068 | tp = type->u.p; |
3d7aafde | 3069 | |
e2500fed GK |
3070 | if (! has_length && UNION_OR_STRUCT_P (tp)) |
3071 | { | |
17211ab5 GK |
3072 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
3073 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
e2500fed GK |
3074 | } |
3075 | else if (! has_length && tp->kind == TYPE_PARAM_STRUCT) | |
3076 | { | |
36a5eadd GK |
3077 | oprintf (f, " >_ggc_m_"); |
3078 | output_mangled_typename (f, tp); | |
17211ab5 GK |
3079 | oprintf (f, ",\n >_pch_n_"); |
3080 | output_mangled_typename (f, tp); | |
e2500fed GK |
3081 | } |
3082 | else if (has_length | |
afb0f770 | 3083 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
e2500fed | 3084 | { |
17211ab5 GK |
3085 | oprintf (f, " >_ggc_ma_%s,\n", name); |
3086 | oprintf (f, " >_pch_na_%s", name); | |
e2500fed GK |
3087 | } |
3088 | else | |
3089 | { | |
3d7aafde | 3090 | error_at_line (line, |
e2500fed GK |
3091 | "global `%s' is pointer to unimplemented type", |
3092 | name); | |
3093 | } | |
3094 | if (if_marked) | |
e03856fe GK |
3095 | oprintf (f, ",\n &%s", if_marked); |
3096 | oprintf (f, "\n },\n"); | |
e2500fed GK |
3097 | } |
3098 | break; | |
3099 | ||
e2500fed | 3100 | case TYPE_STRING: |
17211ab5 GK |
3101 | { |
3102 | oprintf (f, " {\n"); | |
3103 | oprintf (f, " &%s,\n", name); | |
3104 | oprintf (f, " 1, \n"); | |
3105 | oprintf (f, " sizeof (%s),\n", v->name); | |
3106 | oprintf (f, " >_ggc_m_S,\n"); | |
f099d360 | 3107 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
17211ab5 GK |
3108 | oprintf (f, " },\n"); |
3109 | } | |
3110 | break; | |
3d7aafde | 3111 | |
17211ab5 | 3112 | case TYPE_SCALAR: |
e2500fed | 3113 | break; |
3d7aafde | 3114 | |
e2500fed | 3115 | default: |
3d7aafde | 3116 | error_at_line (line, |
e2500fed GK |
3117 | "global `%s' is unimplemented type", |
3118 | name); | |
3119 | } | |
3120 | } | |
3121 | ||
17211ab5 GK |
3122 | /* This generates a routine to walk an array. */ |
3123 | ||
3124 | static void | |
3d7aafde | 3125 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
17211ab5 GK |
3126 | { |
3127 | struct walk_type_data d; | |
3128 | char *prevval3; | |
3d7aafde | 3129 | |
17211ab5 GK |
3130 | memset (&d, 0, sizeof (d)); |
3131 | d.of = f; | |
3132 | d.cookie = wtd; | |
3133 | d.indent = 2; | |
3134 | d.line = &v->line; | |
3135 | d.opt = v->opt; | |
11a67599 | 3136 | d.bitmap = get_lang_bitmap (v->line.file); |
17211ab5 GK |
3137 | d.param = NULL; |
3138 | ||
3139 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
3140 | ||
3141 | if (wtd->param_prefix) | |
3142 | { | |
3143 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
3d7aafde AJ |
3144 | oprintf (f, |
3145 | " (void *, void *, gt_pointer_operator, void *);\n"); | |
e18476eb | 3146 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
17211ab5 | 3147 | wtd->param_prefix, v->name); |
e18476eb BI |
3148 | oprintf (d.of, |
3149 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
3150 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3151 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
17211ab5 GK |
3152 | oprintf (d.of, "{\n"); |
3153 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3154 | d.process_field = write_types_local_process_field; | |
3155 | walk_type (v->type, &d); | |
3156 | oprintf (f, "}\n\n"); | |
3157 | } | |
3158 | ||
3159 | d.opt = v->opt; | |
3d7aafde | 3160 | oprintf (f, "static void gt_%sa_%s (void *);\n", |
17211ab5 | 3161 | wtd->prefix, v->name); |
e18476eb | 3162 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
17211ab5 | 3163 | wtd->prefix, v->name); |
17211ab5 GK |
3164 | oprintf (f, "{\n"); |
3165 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3166 | d.process_field = write_types_process_field; | |
3167 | walk_type (v->type, &d); | |
3168 | free (prevval3); | |
3169 | oprintf (f, "}\n\n"); | |
3170 | } | |
3171 | ||
9f313342 GK |
3172 | /* Output a table describing the locations and types of VARIABLES. */ |
3173 | ||
e2500fed | 3174 | static void |
3d7aafde | 3175 | write_roots (pair_p variables) |
e2500fed GK |
3176 | { |
3177 | pair_p v; | |
3178 | struct flist *flp = NULL; | |
3179 | ||
3180 | for (v = variables; v; v = v->next) | |
3181 | { | |
e03856fe | 3182 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3183 | struct flist *fli; |
3184 | const char *length = NULL; | |
3185 | int deletable_p = 0; | |
3186 | options_p o; | |
3187 | ||
3188 | for (o = v->opt; o; o = o->next) | |
3189 | if (strcmp (o->name, "length") == 0) | |
9e2878cf | 3190 | length = o->info; |
e2500fed GK |
3191 | else if (strcmp (o->name, "deletable") == 0) |
3192 | deletable_p = 1; | |
3193 | else if (strcmp (o->name, "param_is") == 0) | |
3194 | ; | |
3d7aafde | 3195 | else if (strncmp (o->name, "param", 5) == 0 |
36a5eadd GK |
3196 | && ISDIGIT (o->name[5]) |
3197 | && strcmp (o->name + 6, "_is") == 0) | |
3198 | ; | |
e2500fed GK |
3199 | else if (strcmp (o->name, "if_marked") == 0) |
3200 | ; | |
3201 | else | |
3d7aafde | 3202 | error_at_line (&v->line, |
e2500fed GK |
3203 | "global `%s' has unknown option `%s'", |
3204 | v->name, o->name); | |
3205 | ||
3206 | for (fli = flp; fli; fli = fli->next) | |
3207 | if (fli->f == f) | |
3208 | break; | |
3209 | if (fli == NULL) | |
3210 | { | |
5d038c4c | 3211 | fli = XNEW (struct flist); |
e2500fed GK |
3212 | fli->f = f; |
3213 | fli->next = flp; | |
3214 | fli->started_p = 0; | |
3215 | fli->name = v->line.file; | |
3216 | flp = fli; | |
3217 | ||
e03856fe | 3218 | oprintf (f, "\n/* GC roots. */\n\n"); |
e2500fed GK |
3219 | } |
3220 | ||
3221 | if (! deletable_p | |
3222 | && length | |
3223 | && v->type->kind == TYPE_POINTER | |
3224 | && (v->type->u.p->kind == TYPE_POINTER | |
3225 | || v->type->u.p->kind == TYPE_STRUCT)) | |
3226 | { | |
17211ab5 GK |
3227 | write_array (f, v, &ggc_wtd); |
3228 | write_array (f, v, &pch_wtd); | |
e2500fed GK |
3229 | } |
3230 | } | |
3231 | ||
3232 | for (v = variables; v; v = v->next) | |
3233 | { | |
e03856fe | 3234 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3235 | struct flist *fli; |
3236 | int skip_p = 0; | |
3237 | int length_p = 0; | |
3238 | options_p o; | |
3d7aafde | 3239 | |
e2500fed GK |
3240 | for (o = v->opt; o; o = o->next) |
3241 | if (strcmp (o->name, "length") == 0) | |
3242 | length_p = 1; | |
3243 | else if (strcmp (o->name, "deletable") == 0 | |
3244 | || strcmp (o->name, "if_marked") == 0) | |
3245 | skip_p = 1; | |
3246 | ||
3247 | if (skip_p) | |
3248 | continue; | |
3249 | ||
3250 | for (fli = flp; fli; fli = fli->next) | |
3251 | if (fli->f == f) | |
3252 | break; | |
3253 | if (! fli->started_p) | |
3254 | { | |
3255 | fli->started_p = 1; | |
3256 | ||
e03856fe | 3257 | oprintf (f, "const struct ggc_root_tab gt_ggc_r_"); |
e2500fed | 3258 | put_mangled_filename (f, v->line.file); |
e03856fe | 3259 | oprintf (f, "[] = {\n"); |
e2500fed GK |
3260 | } |
3261 | ||
17211ab5 | 3262 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); |
e2500fed GK |
3263 | } |
3264 | ||
3d7aafde | 3265 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3266 | "gt_ggc_rtab"); |
3267 | ||
3268 | for (v = variables; v; v = v->next) | |
3269 | { | |
e03856fe | 3270 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3271 | struct flist *fli; |
3272 | int skip_p = 1; | |
3273 | options_p o; | |
3274 | ||
3275 | for (o = v->opt; o; o = o->next) | |
3276 | if (strcmp (o->name, "deletable") == 0) | |
3277 | skip_p = 0; | |
3278 | else if (strcmp (o->name, "if_marked") == 0) | |
3279 | skip_p = 1; | |
3280 | ||
3281 | if (skip_p) | |
3282 | continue; | |
3283 | ||
3284 | for (fli = flp; fli; fli = fli->next) | |
3285 | if (fli->f == f) | |
3286 | break; | |
3287 | if (! fli->started_p) | |
3288 | { | |
3289 | fli->started_p = 1; | |
3290 | ||
e03856fe | 3291 | oprintf (f, "const struct ggc_root_tab gt_ggc_rd_"); |
e2500fed | 3292 | put_mangled_filename (f, v->line.file); |
e03856fe | 3293 | oprintf (f, "[] = {\n"); |
e2500fed | 3294 | } |
3d7aafde | 3295 | |
17211ab5 | 3296 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
e2500fed GK |
3297 | v->name, v->name); |
3298 | } | |
3d7aafde | 3299 | |
17211ab5 | 3300 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3301 | "gt_ggc_deletable_rtab"); |
3302 | ||
3303 | for (v = variables; v; v = v->next) | |
3304 | { | |
e03856fe | 3305 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3306 | struct flist *fli; |
3307 | const char *if_marked = NULL; | |
3308 | int length_p = 0; | |
3309 | options_p o; | |
3d7aafde | 3310 | |
e2500fed GK |
3311 | for (o = v->opt; o; o = o->next) |
3312 | if (strcmp (o->name, "length") == 0) | |
3313 | length_p = 1; | |
3314 | else if (strcmp (o->name, "if_marked") == 0) | |
9e2878cf | 3315 | if_marked = o->info; |
e2500fed GK |
3316 | |
3317 | if (if_marked == NULL) | |
3318 | continue; | |
3319 | ||
3320 | if (v->type->kind != TYPE_POINTER | |
3321 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
3322 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
3323 | { | |
3324 | error_at_line (&v->line, "if_marked option used but not hash table"); | |
3325 | continue; | |
3326 | } | |
3327 | ||
3328 | for (fli = flp; fli; fli = fli->next) | |
3329 | if (fli->f == f) | |
3330 | break; | |
3331 | if (! fli->started_p) | |
3332 | { | |
3333 | fli->started_p = 1; | |
3334 | ||
e03856fe | 3335 | oprintf (f, "const struct ggc_cache_tab gt_ggc_rc_"); |
e2500fed | 3336 | put_mangled_filename (f, v->line.file); |
e03856fe | 3337 | oprintf (f, "[] = {\n"); |
e2500fed | 3338 | } |
3d7aafde | 3339 | |
17211ab5 | 3340 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
e2500fed GK |
3341 | v->name, length_p, &v->line, if_marked); |
3342 | } | |
3d7aafde | 3343 | |
17211ab5 | 3344 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
e2500fed | 3345 | "gt_ggc_cache_rtab"); |
17211ab5 GK |
3346 | |
3347 | for (v = variables; v; v = v->next) | |
3348 | { | |
3349 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3350 | struct flist *fli; | |
3351 | int length_p = 0; | |
3352 | int if_marked_p = 0; | |
3353 | options_p o; | |
3d7aafde | 3354 | |
17211ab5 GK |
3355 | for (o = v->opt; o; o = o->next) |
3356 | if (strcmp (o->name, "length") == 0) | |
3357 | length_p = 1; | |
3358 | else if (strcmp (o->name, "if_marked") == 0) | |
3359 | if_marked_p = 1; | |
3360 | ||
3361 | if (! if_marked_p) | |
3362 | continue; | |
3363 | ||
3364 | for (fli = flp; fli; fli = fli->next) | |
3365 | if (fli->f == f) | |
3366 | break; | |
3367 | if (! fli->started_p) | |
3368 | { | |
3369 | fli->started_p = 1; | |
3370 | ||
3371 | oprintf (f, "const struct ggc_root_tab gt_pch_rc_"); | |
3372 | put_mangled_filename (f, v->line.file); | |
3373 | oprintf (f, "[] = {\n"); | |
3374 | } | |
3375 | ||
3376 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); | |
3377 | } | |
3d7aafde | 3378 | |
17211ab5 GK |
3379 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3380 | "gt_pch_cache_rtab"); | |
3381 | ||
3382 | for (v = variables; v; v = v->next) | |
3383 | { | |
3384 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3385 | struct flist *fli; | |
3386 | int skip_p = 0; | |
3387 | options_p o; | |
3388 | ||
3389 | for (o = v->opt; o; o = o->next) | |
3390 | if (strcmp (o->name, "deletable") == 0 | |
3391 | || strcmp (o->name, "if_marked") == 0) | |
3392 | skip_p = 1; | |
3393 | ||
3394 | if (skip_p) | |
3395 | continue; | |
3396 | ||
3397 | if (! contains_scalar_p (v->type)) | |
3398 | continue; | |
3399 | ||
3400 | for (fli = flp; fli; fli = fli->next) | |
3401 | if (fli->f == f) | |
3402 | break; | |
3403 | if (! fli->started_p) | |
3404 | { | |
3405 | fli->started_p = 1; | |
3406 | ||
3407 | oprintf (f, "const struct ggc_root_tab gt_pch_rs_"); | |
3408 | put_mangled_filename (f, v->line.file); | |
3409 | oprintf (f, "[] = {\n"); | |
3410 | } | |
3d7aafde | 3411 | |
17211ab5 GK |
3412 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
3413 | v->name, v->name); | |
3414 | } | |
3d7aafde | 3415 | |
17211ab5 GK |
3416 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3417 | "gt_pch_scalar_rtab"); | |
e2500fed GK |
3418 | } |
3419 | ||
4a399aef ZW |
3420 | /* Record the definition of a generic VEC structure, as if we had expanded |
3421 | the macros in vec.h: | |
3422 | ||
3423 | typedef struct VEC_<type>_base GTY(()) { | |
3424 | unsigned num; | |
3425 | unsigned alloc; | |
3426 | <type> GTY((length ("%h.num"))) vec[1]; | |
3427 | } VEC_<type>_base | |
3428 | ||
3429 | where the GTY(()) tags are only present if is_scalar is _false_. */ | |
3430 | ||
3431 | void | |
3432 | note_def_vec (const char *typename, bool is_scalar, struct fileloc *pos) | |
3433 | { | |
065ae611 | 3434 | pair_p fields; |
4a399aef ZW |
3435 | type_p t; |
3436 | options_p o; | |
065ae611 | 3437 | type_p len_ty = create_scalar_type ("unsigned"); |
4a399aef ZW |
3438 | const char *name = concat ("VEC_", typename, "_base", (char *)0); |
3439 | ||
3440 | if (is_scalar) | |
3441 | { | |
95161faf | 3442 | t = create_scalar_type (typename); |
4a399aef ZW |
3443 | o = 0; |
3444 | } | |
3445 | else | |
3446 | { | |
3447 | t = resolve_typedef (typename, pos); | |
3448 | o = create_option (0, "length", "%h.num"); | |
3449 | } | |
3450 | ||
3451 | /* We assemble the field list in reverse order. */ | |
065ae611 ZW |
3452 | fields = create_field_at (0, create_array (t, "1"), "vec", o, pos); |
3453 | fields = create_field_at (fields, len_ty, "alloc", 0, pos); | |
3454 | fields = create_field_at (fields, len_ty, "num", 0, pos); | |
4a399aef ZW |
3455 | |
3456 | do_typedef (name, new_structure (name, 0, pos, fields, 0), pos); | |
3457 | } | |
3458 | ||
3459 | /* Record the definition of an allocation-specific VEC structure, as if | |
3460 | we had expanded the macros in vec.h: | |
3461 | ||
3462 | typedef struct VEC_<type>_<astrat> { | |
3463 | VEC_<type>_base base; | |
3464 | } VEC_<type>_<astrat>; | |
3465 | */ | |
3466 | void | |
3467 | note_def_vec_alloc (const char *type, const char *astrat, struct fileloc *pos) | |
3468 | { | |
3469 | const char *astratname = concat ("VEC_", type, "_", astrat, (char *)0); | |
3470 | const char *basename = concat ("VEC_", type, "_base", (char *)0); | |
3471 | ||
065ae611 ZW |
3472 | pair_p field = create_field_at (0, resolve_typedef (basename, pos), |
3473 | "base", 0, pos); | |
4a399aef ZW |
3474 | |
3475 | do_typedef (astratname, new_structure (astratname, 0, pos, field, 0), pos); | |
3476 | } | |
3477 | ||
e2500fed | 3478 | \f |
3d7aafde | 3479 | int |
11a67599 | 3480 | main (int argc, char **argv) |
e2500fed | 3481 | { |
11a67599 | 3482 | size_t i; |
01d419ae | 3483 | static struct fileloc pos = { this_file, 0 }; |
3d7aafde | 3484 | |
11a67599 ZW |
3485 | /* fatal uses this */ |
3486 | progname = "gengtype"; | |
3487 | ||
3488 | if (argc != 3) | |
3489 | fatal ("usage: gengtype srcdir input-list"); | |
3490 | ||
3491 | srcdir = argv[1]; | |
8ac9d31f | 3492 | srcdir_len = strlen (srcdir); |
e2500fed | 3493 | |
11a67599 ZW |
3494 | read_input_list (argv[2]); |
3495 | if (hit_error) | |
3496 | return 1; | |
3497 | ||
95161faf ZW |
3498 | scalar_char.u.scalar_is_char = true; |
3499 | scalar_nonchar.u.scalar_is_char = false; | |
95161faf ZW |
3500 | gen_rtx_next (); |
3501 | ||
01d419ae ZW |
3502 | /* These types are set up with #define or else outside of where |
3503 | we can see them. */ | |
3504 | pos.line = __LINE__ + 1; | |
3505 | do_scalar_typedef ("CUMULATIVE_ARGS", &pos); pos.line++; | |
3506 | do_scalar_typedef ("REAL_VALUE_TYPE", &pos); pos.line++; | |
1e1ba002 | 3507 | do_scalar_typedef ("FIXED_VALUE_TYPE", &pos); pos.line++; |
01d419ae ZW |
3508 | do_scalar_typedef ("double_int", &pos); pos.line++; |
3509 | do_scalar_typedef ("uint8", &pos); pos.line++; | |
3510 | do_scalar_typedef ("jword", &pos); pos.line++; | |
3511 | do_scalar_typedef ("JCF_u2", &pos); pos.line++; | |
3512 | do_scalar_typedef ("void", &pos); pos.line++; | |
a813c111 | 3513 | do_typedef ("PTR", create_pointer (resolve_typedef ("void", &pos)), &pos); |
ed8d2920 | 3514 | |
11a67599 | 3515 | for (i = 0; i < num_gt_files; i++) |
01d419ae | 3516 | parse_file (gt_files[i]); |
e2500fed | 3517 | |
01d419ae | 3518 | if (hit_error) |
065ae611 | 3519 | return 1; |
e2500fed GK |
3520 | |
3521 | set_gc_used (variables); | |
3522 | ||
3523 | open_base_files (); | |
36a5eadd | 3524 | write_enum_defn (structures, param_structs); |
17211ab5 GK |
3525 | write_types (structures, param_structs, &ggc_wtd); |
3526 | write_types (structures, param_structs, &pch_wtd); | |
3527 | write_local (structures, param_structs); | |
3528 | write_roots (variables); | |
36a5eadd | 3529 | write_rtx_next (); |
e2500fed GK |
3530 | close_output_files (); |
3531 | ||
01d419ae ZW |
3532 | if (hit_error) |
3533 | return 1; | |
3534 | return 0; | |
e2500fed | 3535 | } |