Commit | Line | Data |
---|---|---|
cc61838f WJ |
1 | /*- |
2 | * This code is derived from software copyrighted by the Free Software | |
3 | * Foundation. | |
4 | * | |
5 | * Modified 1991 by Donn Seeley at UUNET Technologies, Inc. | |
6 | * Modified 1990 by Van Jacobson at Lawrence Berkeley Laboratory. | |
7 | */ | |
8 | ||
9 | #ifndef lint | |
10 | static char sccsid[] = "@(#)valprint.c 6.5 (Berkeley) 5/8/91"; | |
11 | #endif /* not lint */ | |
12 | ||
13 | /* Print values for GNU debugger gdb. | |
14 | Copyright (C) 1986, 1988, 1989 Free Software Foundation, Inc. | |
15 | ||
16 | This file is part of GDB. | |
17 | ||
18 | GDB is free software; you can redistribute it and/or modify | |
19 | it under the terms of the GNU General Public License as published by | |
20 | the Free Software Foundation; either version 1, or (at your option) | |
21 | any later version. | |
22 | ||
23 | GDB is distributed in the hope that it will be useful, | |
24 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | GNU General Public License for more details. | |
27 | ||
28 | You should have received a copy of the GNU General Public License | |
29 | along with GDB; see the file COPYING. If not, write to | |
30 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
31 | ||
32 | #include <stdio.h> | |
33 | #include "defs.h" | |
34 | #include "param.h" | |
35 | #include "symtab.h" | |
36 | #include "value.h" | |
37 | ||
38 | /* GNU software is only expected to run on systems with 32-bit integers. */ | |
39 | #define UINT_MAX 0xffffffff | |
40 | ||
41 | /* Maximum number of chars to print for a string pointer value | |
42 | or vector contents, or UINT_MAX for no limit. */ | |
43 | ||
44 | static unsigned int print_max; | |
45 | ||
46 | static void type_print_varspec_suffix (); | |
47 | static void type_print_varspec_prefix (); | |
48 | static void type_print_base (); | |
49 | static void type_print_method_args (); | |
50 | ||
51 | ||
52 | char **unsigned_type_table; | |
53 | char **signed_type_table; | |
54 | char **float_type_table; | |
55 | ||
56 | ||
57 | /* Print repeat counts if there are more than this | |
58 | many repetitions of an element in an array. */ | |
59 | #define REPEAT_COUNT_THRESHOLD 10 | |
60 | \f | |
61 | /* Print the character string STRING, printing at most LENGTH characters. | |
62 | Printing stops early if the number hits print_max; repeat counts | |
63 | are printed as appropriate. Print ellipses at the end if we | |
64 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. */ | |
65 | ||
66 | void | |
67 | print_string (stream, string, length, force_ellipses) | |
68 | FILE *stream; | |
69 | char *string; | |
70 | unsigned int length; | |
71 | int force_ellipses; | |
72 | { | |
73 | register unsigned int i; | |
74 | unsigned int things_printed = 0; | |
75 | int in_quotes = 0; | |
76 | int need_comma = 0; | |
77 | ||
78 | if (length == 0) | |
79 | { | |
80 | fputs_filtered ("\"\"", stdout); | |
81 | return; | |
82 | } | |
83 | ||
84 | for (i = 0; i < length && things_printed < print_max; ++i) | |
85 | { | |
86 | /* Position of the character we are examining | |
87 | to see whether it is repeated. */ | |
88 | unsigned int rep1; | |
89 | /* Number of repititions we have detected so far. */ | |
90 | unsigned int reps; | |
91 | ||
92 | QUIT; | |
93 | ||
94 | if (need_comma) | |
95 | { | |
96 | fputs_filtered (", ", stream); | |
97 | need_comma = 0; | |
98 | } | |
99 | ||
100 | rep1 = i + 1; | |
101 | reps = 1; | |
102 | while (rep1 < length && string[rep1] == string[i]) | |
103 | { | |
104 | ++rep1; | |
105 | ++reps; | |
106 | } | |
107 | ||
108 | if (reps > REPEAT_COUNT_THRESHOLD) | |
109 | { | |
110 | if (in_quotes) | |
111 | { | |
112 | fputs_filtered ("\", ", stream); | |
113 | in_quotes = 0; | |
114 | } | |
115 | fputs_filtered ("'", stream); | |
116 | printchar (string[i], stream, '\''); | |
117 | fprintf_filtered (stream, "' <repeats %u times>", reps); | |
118 | i = rep1 - 1; | |
119 | things_printed += REPEAT_COUNT_THRESHOLD; | |
120 | need_comma = 1; | |
121 | } | |
122 | else | |
123 | { | |
124 | if (!in_quotes) | |
125 | { | |
126 | fputs_filtered ("\"", stream); | |
127 | in_quotes = 1; | |
128 | } | |
129 | printchar (string[i], stream, '"'); | |
130 | ++things_printed; | |
131 | } | |
132 | } | |
133 | ||
134 | /* Terminate the quotes if necessary. */ | |
135 | if (in_quotes) | |
136 | fputs_filtered ("\"", stream); | |
137 | ||
138 | if (force_ellipses || i < length) | |
139 | fputs_filtered ("...", stream); | |
140 | } | |
141 | \f | |
142 | /* Print the value VAL in C-ish syntax on stream STREAM. | |
143 | FORMAT is a format-letter, or 0 for print in natural format of data type. | |
144 | If the object printed is a string pointer, returns | |
145 | the number of string bytes printed. */ | |
146 | ||
147 | int | |
148 | value_print (val, stream, format, pretty) | |
149 | value val; | |
150 | FILE *stream; | |
151 | char format; | |
152 | enum val_prettyprint pretty; | |
153 | { | |
154 | register unsigned int i, n, typelen; | |
155 | ||
156 | /* A "repeated" value really contains several values in a row. | |
157 | They are made by the @ operator. | |
158 | Print such values as if they were arrays. */ | |
159 | ||
160 | if (VALUE_REPEATED (val)) | |
161 | { | |
162 | n = VALUE_REPETITIONS (val); | |
163 | typelen = TYPE_LENGTH (VALUE_TYPE (val)); | |
164 | fprintf_filtered (stream, "{"); | |
165 | /* Print arrays of characters using string syntax. */ | |
166 | if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT | |
167 | && format == 0) | |
168 | print_string (stream, VALUE_CONTENTS (val), n, 0); | |
169 | else | |
170 | { | |
171 | unsigned int things_printed = 0; | |
172 | ||
173 | for (i = 0; i < n && things_printed < print_max; i++) | |
174 | { | |
175 | /* Position of the array element we are examining to see | |
176 | whether it is repeated. */ | |
177 | unsigned int rep1; | |
178 | /* Number of repititions we have detected so far. */ | |
179 | unsigned int reps; | |
180 | ||
181 | if (i != 0) | |
182 | fprintf_filtered (stream, ", "); | |
183 | ||
184 | rep1 = i + 1; | |
185 | reps = 1; | |
186 | while (rep1 < n | |
187 | && !bcmp (VALUE_CONTENTS (val) + typelen * i, | |
188 | VALUE_CONTENTS (val) + typelen * rep1, typelen)) | |
189 | { | |
190 | ++reps; | |
191 | ++rep1; | |
192 | } | |
193 | ||
194 | if (reps > REPEAT_COUNT_THRESHOLD) | |
195 | { | |
196 | val_print (VALUE_TYPE (val), | |
197 | VALUE_CONTENTS (val) + typelen * i, | |
198 | VALUE_ADDRESS (val) + typelen * i, | |
199 | stream, format, 1, 0, pretty); | |
200 | fprintf (stream, " <repeats %u times>", reps); | |
201 | i = rep1 - 1; | |
202 | things_printed += REPEAT_COUNT_THRESHOLD; | |
203 | } | |
204 | else | |
205 | { | |
206 | val_print (VALUE_TYPE (val), | |
207 | VALUE_CONTENTS (val) + typelen * i, | |
208 | VALUE_ADDRESS (val) + typelen * i, | |
209 | stream, format, 1, 0, pretty); | |
210 | things_printed++; | |
211 | } | |
212 | } | |
213 | if (i < n) | |
214 | fprintf_filtered (stream, "..."); | |
215 | } | |
216 | fprintf_filtered (stream, "}"); | |
217 | return n * typelen; | |
218 | } | |
219 | else | |
220 | { | |
221 | /* If it is a pointer, indicate what it points to. | |
222 | ||
223 | Print type also if it is a reference. | |
224 | ||
225 | C++: if it is a member pointer, we will take care | |
226 | of that when we print it. */ | |
227 | if (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_PTR | |
228 | || TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_REF) | |
229 | { | |
230 | fprintf_filtered (stream, "("); | |
231 | type_print (VALUE_TYPE (val), "", stream, -1); | |
232 | fprintf_filtered (stream, ") "); | |
233 | ||
234 | /* If this is a function pointer, try to print what | |
235 | function it is pointing to by name. */ | |
236 | if (TYPE_CODE (TYPE_TARGET_TYPE (VALUE_TYPE (val))) | |
237 | == TYPE_CODE_FUNC) | |
238 | { | |
239 | print_address (((int *) VALUE_CONTENTS (val))[0], stream); | |
240 | /* Return value is irrelevant except for string pointers. */ | |
241 | return 0; | |
242 | } | |
243 | } | |
244 | return val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), | |
245 | VALUE_ADDRESS (val), stream, format, 1, 0, pretty); | |
246 | } | |
247 | } | |
248 | \f | |
249 | static int prettyprint; /* Controls prettyprinting of structures. */ | |
250 | int unionprint; /* Controls printing of nested unions. */ | |
251 | static void scalar_print_hack(); | |
252 | void (*default_scalar_print)() = scalar_print_hack; | |
253 | ||
254 | /* Print data of type TYPE located at VALADDR (within GDB), | |
255 | which came from the inferior at address ADDRESS, | |
256 | onto stdio stream STREAM according to FORMAT | |
257 | (a letter or 0 for natural format). | |
258 | ||
259 | If the data are a string pointer, returns the number of | |
260 | sting characters printed. | |
261 | ||
262 | if DEREF_REF is nonzero, then dereference references, | |
263 | otherwise just print them like pointers. | |
264 | ||
265 | The PRETTY parameter controls prettyprinting. */ | |
266 | ||
267 | int | |
268 | val_print (type, valaddr, address, stream, format, | |
269 | deref_ref, recurse, pretty) | |
270 | struct type *type; | |
271 | char *valaddr; | |
272 | CORE_ADDR address; | |
273 | FILE *stream; | |
274 | char format; | |
275 | int deref_ref; | |
276 | int recurse; | |
277 | enum val_prettyprint pretty; | |
278 | { | |
279 | register unsigned int i; | |
280 | int len, n_baseclasses; | |
281 | struct type *elttype; | |
282 | int eltlen; | |
283 | LONGEST val; | |
284 | unsigned char c; | |
285 | ||
286 | if (pretty == Val_pretty_default) | |
287 | { | |
288 | pretty = prettyprint ? Val_prettyprint : Val_no_prettyprint; | |
289 | } | |
290 | ||
291 | QUIT; | |
292 | ||
293 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) | |
294 | { | |
295 | fprintf_filtered (stream, "<Type not defined in this context>"); | |
296 | fflush (stream); | |
297 | return 0; | |
298 | } | |
299 | ||
300 | switch (TYPE_CODE (type)) | |
301 | { | |
302 | case TYPE_CODE_ARRAY: | |
303 | if (TYPE_LENGTH (type) >= 0 | |
304 | && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) | |
305 | { | |
306 | elttype = TYPE_TARGET_TYPE (type); | |
307 | eltlen = TYPE_LENGTH (elttype); | |
308 | len = TYPE_LENGTH (type) / eltlen; | |
309 | fprintf_filtered (stream, "{"); | |
310 | /* For an array of chars, print with string syntax. */ | |
311 | if (eltlen == 1 && TYPE_CODE (elttype) == TYPE_CODE_INT | |
312 | && format == 0) | |
313 | print_string (stream, valaddr, len, 0); | |
314 | else | |
315 | { | |
316 | unsigned int things_printed = 0; | |
317 | ||
318 | for (i = 0; i < len && things_printed < print_max; i++) | |
319 | { | |
320 | /* Position of the array element we are examining to see | |
321 | whether it is repeated. */ | |
322 | unsigned int rep1; | |
323 | /* Number of repititions we have detected so far. */ | |
324 | unsigned int reps; | |
325 | ||
326 | if (i > 0) | |
327 | fprintf_filtered (stream, ", "); | |
328 | ||
329 | rep1 = i + 1; | |
330 | reps = 1; | |
331 | while (rep1 < len | |
332 | && !bcmp (valaddr + i * eltlen, | |
333 | valaddr + rep1 * eltlen, eltlen)) | |
334 | { | |
335 | ++reps; | |
336 | ++rep1; | |
337 | } | |
338 | ||
339 | if (reps > REPEAT_COUNT_THRESHOLD) | |
340 | { | |
341 | val_print (elttype, valaddr + i * eltlen, | |
342 | 0, stream, format, deref_ref, | |
343 | recurse + 1, pretty); | |
344 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
345 | i = rep1 - 1; | |
346 | things_printed += REPEAT_COUNT_THRESHOLD; | |
347 | } | |
348 | else | |
349 | { | |
350 | val_print (elttype, valaddr + i * eltlen, | |
351 | 0, stream, format, deref_ref, | |
352 | recurse + 1, pretty); | |
353 | things_printed++; | |
354 | } | |
355 | } | |
356 | if (i < len) | |
357 | fprintf_filtered (stream, "..."); | |
358 | } | |
359 | fprintf_filtered (stream, "}"); | |
360 | break; | |
361 | } | |
362 | /* Array of unspecified length: treat like pointer to first elt. */ | |
363 | valaddr = (char *) &address; | |
364 | ||
365 | case TYPE_CODE_PTR: | |
366 | if (format) | |
367 | { | |
368 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
369 | break; | |
370 | } | |
371 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD) | |
372 | { | |
373 | struct type *domain = TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)); | |
374 | struct type *target = TYPE_TARGET_TYPE (TYPE_TARGET_TYPE (type)); | |
375 | struct fn_field *f; | |
376 | int j, len2; | |
377 | char *kind = ""; | |
378 | ||
379 | val = unpack_long (builtin_type_int, valaddr); | |
380 | if (val < 128) | |
381 | { | |
382 | len = TYPE_NFN_FIELDS (domain); | |
383 | for (i = 0; i < len; i++) | |
384 | { | |
385 | f = TYPE_FN_FIELDLIST1 (domain, i); | |
386 | len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i); | |
387 | ||
388 | for (j = 0; j < len2; j++) | |
389 | { | |
390 | QUIT; | |
391 | if (TYPE_FN_FIELD_VOFFSET (f, j) == val) | |
392 | { | |
393 | kind = "virtual"; | |
394 | goto common; | |
395 | } | |
396 | } | |
397 | } | |
398 | } | |
399 | else | |
400 | { | |
401 | struct symbol *sym = find_pc_function ((CORE_ADDR) val); | |
402 | if (sym == 0) | |
403 | error ("invalid pointer to member function"); | |
404 | len = TYPE_NFN_FIELDS (domain); | |
405 | for (i = 0; i < len; i++) | |
406 | { | |
407 | f = TYPE_FN_FIELDLIST1 (domain, i); | |
408 | len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i); | |
409 | ||
410 | for (j = 0; j < len2; j++) | |
411 | { | |
412 | QUIT; | |
413 | if (!strcmp (SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j))) | |
414 | goto common; | |
415 | } | |
416 | } | |
417 | } | |
418 | common: | |
419 | if (i < len) | |
420 | { | |
421 | fprintf_filtered (stream, "&"); | |
422 | type_print_varspec_prefix (TYPE_FN_FIELD_TYPE (f, j), stream, 0, 0); | |
423 | fprintf (stream, kind); | |
424 | if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_' | |
425 | && TYPE_FN_FIELD_PHYSNAME (f, j)[1] == '$') | |
426 | type_print_method_args | |
427 | (TYPE_FN_FIELD_ARGS (f, j) + 1, "~", | |
428 | TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream); | |
429 | else | |
430 | type_print_method_args | |
431 | (TYPE_FN_FIELD_ARGS (f, j), "", | |
432 | TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream); | |
433 | break; | |
434 | } | |
435 | fprintf_filtered (stream, "("); | |
436 | type_print (type, "", stream, -1); | |
437 | fprintf_filtered (stream, ") %d", (int) val >> 3); | |
438 | } | |
439 | else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER) | |
440 | { | |
441 | struct type *domain = TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)); | |
442 | struct type *target = TYPE_TARGET_TYPE (TYPE_TARGET_TYPE (type)); | |
443 | char *kind = ""; | |
444 | ||
445 | /* VAL is a byte offset into the structure type DOMAIN. | |
446 | Find the name of the field for that offset and | |
447 | print it. */ | |
448 | int extra = 0; | |
449 | int bits = 0; | |
450 | len = TYPE_NFIELDS (domain); | |
451 | /* @@ Make VAL into bit offset */ | |
452 | val = unpack_long (builtin_type_int, valaddr) << 3; | |
453 | for (i = 0; i < len; i++) | |
454 | { | |
455 | int bitpos = TYPE_FIELD_BITPOS (domain, i); | |
456 | QUIT; | |
457 | if (val == bitpos) | |
458 | break; | |
459 | if (val < bitpos && i > 0) | |
460 | { | |
461 | int ptrsize = (TYPE_LENGTH (builtin_type_char) * TYPE_LENGTH (target)); | |
462 | /* Somehow pointing into a field. */ | |
463 | i -= 1; | |
464 | extra = (val - TYPE_FIELD_BITPOS (domain, i)); | |
465 | if (extra & 0x3) | |
466 | bits = 1; | |
467 | else | |
468 | extra >>= 3; | |
469 | break; | |
470 | } | |
471 | } | |
472 | if (i < len) | |
473 | { | |
474 | fprintf_filtered (stream, "&"); | |
475 | type_print_base (domain, stream, 0, 0); | |
476 | fprintf_filtered (stream, "::"); | |
477 | fputs_filtered (TYPE_FIELD_NAME (domain, i), stream); | |
478 | if (extra) | |
479 | fprintf_filtered (stream, " + %d bytes", extra); | |
480 | if (bits) | |
481 | fprintf_filtered (stream, " (offset in bits)"); | |
482 | break; | |
483 | } | |
484 | fprintf_filtered (stream, "%d", val >> 3); | |
485 | } | |
486 | else | |
487 | { | |
488 | fprintf_filtered (stream, "0x%x", * (int *) valaddr); | |
489 | /* For a pointer to char or unsigned char, | |
490 | also print the string pointed to, unless pointer is null. */ | |
491 | ||
492 | /* For an array of chars, print with string syntax. */ | |
493 | elttype = TYPE_TARGET_TYPE (type); | |
494 | i = 0; /* Number of characters printed. */ | |
495 | if (TYPE_LENGTH (elttype) == 1 | |
496 | && TYPE_CODE (elttype) == TYPE_CODE_INT | |
497 | && format == 0 | |
498 | && unpack_long (type, valaddr) != 0 | |
499 | /* If print_max is UINT_MAX, the alloca below will fail. | |
500 | In that case don't try to print the string. */ | |
501 | && print_max < UINT_MAX) | |
502 | { | |
503 | fprintf_filtered (stream, " "); | |
504 | ||
505 | /* Get first character. */ | |
506 | if (read_memory ( (CORE_ADDR) unpack_long (type, valaddr), | |
507 | &c, 1)) | |
508 | { | |
509 | /* First address out of bounds. */ | |
510 | fprintf_filtered (stream, "<Address 0x%x out of bounds>", | |
511 | (* (int *) valaddr)); | |
512 | break; | |
513 | } | |
514 | else | |
515 | { | |
516 | /* A real string. */ | |
517 | int out_of_bounds = 0; | |
518 | char *string = (char *) alloca (print_max); | |
519 | ||
520 | /* If the loop ends by us hitting print_max characters, | |
521 | we need to have elipses at the end. */ | |
522 | int force_ellipses = 1; | |
523 | ||
524 | /* This loop only fetches print_max characters, even | |
525 | though print_string might want to print more | |
526 | (with repeated characters). This is so that | |
527 | we don't spend forever fetching if we print | |
528 | a long string consisting of the same character | |
529 | repeated. */ | |
530 | while (i < print_max) | |
531 | { | |
532 | QUIT; | |
533 | if (read_memory ((CORE_ADDR) unpack_long (type, valaddr) | |
534 | + i, &c, 1)) | |
535 | { | |
536 | out_of_bounds = 1; | |
537 | force_ellipses = 0; | |
538 | break; | |
539 | } | |
540 | else if (c == '\0') | |
541 | { | |
542 | force_ellipses = 0; | |
543 | break; | |
544 | } | |
545 | else | |
546 | string[i++] = c; | |
547 | } | |
548 | ||
549 | if (i != 0) | |
550 | print_string (stream, string, i, force_ellipses); | |
551 | if (out_of_bounds) | |
552 | fprintf_filtered (stream, | |
553 | " <Address 0x%x out of bounds>", | |
554 | (*(int *) valaddr) + i); | |
555 | } | |
556 | ||
557 | fflush (stream); | |
558 | } | |
559 | /* Return number of characters printed, plus one for the | |
560 | terminating null if we have "reached the end". */ | |
561 | return i + (print_max && i != print_max); | |
562 | } | |
563 | break; | |
564 | ||
565 | case TYPE_CODE_MEMBER: | |
566 | error ("not implemented: member type in val_print"); | |
567 | break; | |
568 | ||
569 | case TYPE_CODE_REF: | |
570 | fprintf_filtered (stream, "(0x%x &) = ", * (int *) valaddr); | |
571 | /* De-reference the reference. */ | |
572 | if (deref_ref) | |
573 | { | |
574 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF) | |
575 | { | |
576 | value val = value_at (TYPE_TARGET_TYPE (type), * (int *) valaddr); | |
577 | val_print (VALUE_TYPE (val), VALUE_CONTENTS (val), | |
578 | VALUE_ADDRESS (val), stream, format, | |
579 | deref_ref, recurse + 1, pretty); | |
580 | } | |
581 | else | |
582 | fprintf_filtered (stream, "???"); | |
583 | } | |
584 | break; | |
585 | ||
586 | case TYPE_CODE_UNION: | |
587 | if (recurse && !unionprint) | |
588 | { | |
589 | fprintf_filtered (stream, "{...}"); | |
590 | break; | |
591 | } | |
592 | /* Fall through. */ | |
593 | case TYPE_CODE_STRUCT: | |
594 | fprintf_filtered (stream, "{"); | |
595 | len = TYPE_NFIELDS (type); | |
596 | n_baseclasses = TYPE_N_BASECLASSES (type); | |
597 | for (i = 1; i <= n_baseclasses; i++) | |
598 | { | |
599 | fprintf_filtered (stream, "\n"); | |
600 | if (pretty) | |
601 | print_spaces_filtered (2 + 2 * recurse, stream); | |
602 | fputs_filtered ("<", stream); | |
603 | fputs_filtered (TYPE_NAME (TYPE_BASECLASS (type, i)), stream); | |
604 | fputs_filtered ("> = ", stream); | |
605 | val_print (TYPE_FIELD_TYPE (type, 0), | |
606 | valaddr + TYPE_FIELD_BITPOS (type, i-1) / 8, | |
607 | 0, stream, 0, 0, recurse + 1, pretty); | |
608 | } | |
609 | if (i > 1) { | |
610 | fprintf_filtered (stream, "\n"); | |
611 | print_spaces_filtered (2 + 2 * recurse, stream); | |
612 | fputs_filtered ("members of ", stream); | |
613 | fputs_filtered (TYPE_NAME (type), stream); | |
614 | fputs_filtered (": ", stream); | |
615 | } | |
616 | if (!len && i == 1) | |
617 | fprintf_filtered (stream, "<No data fields>"); | |
618 | else | |
619 | { | |
620 | for (i -= 1; i < len; i++) | |
621 | { | |
622 | if (i > n_baseclasses) fprintf_filtered (stream, ", "); | |
623 | if (pretty) | |
624 | { | |
625 | fprintf_filtered (stream, "\n"); | |
626 | print_spaces_filtered (2 + 2 * recurse, stream); | |
627 | } | |
628 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
629 | fputs_filtered (" = ", stream); | |
630 | /* check if static field */ | |
631 | if (TYPE_FIELD_STATIC (type, i)) | |
632 | { | |
633 | value v; | |
634 | ||
635 | v = value_static_field (type, TYPE_FIELD_NAME (type, i), i); | |
636 | val_print (TYPE_FIELD_TYPE (type, i), | |
637 | VALUE_CONTENTS (v), 0, stream, format, | |
638 | deref_ref, recurse + 1, pretty); | |
639 | } | |
640 | else if (TYPE_FIELD_PACKED (type, i)) | |
641 | { | |
642 | char *valp = (char *) & val; | |
643 | union {int i; char c;} test; | |
644 | test.i = 1; | |
645 | if (test.c != 1) | |
646 | valp += sizeof val - TYPE_LENGTH (TYPE_FIELD_TYPE (type, i)); | |
647 | val = unpack_field_as_long (type, valaddr, i); | |
648 | val_print (TYPE_FIELD_TYPE (type, i), valp, 0, | |
649 | stream, format, deref_ref, recurse + 1, pretty); | |
650 | } | |
651 | else | |
652 | { | |
653 | val_print (TYPE_FIELD_TYPE (type, i), | |
654 | valaddr + TYPE_FIELD_BITPOS (type, i) / 8, | |
655 | 0, stream, format, deref_ref, | |
656 | recurse + 1, pretty); | |
657 | } | |
658 | } | |
659 | if (pretty) | |
660 | { | |
661 | fprintf_filtered (stream, "\n"); | |
662 | print_spaces_filtered (2 * recurse, stream); | |
663 | } | |
664 | } | |
665 | fprintf_filtered (stream, "}"); | |
666 | break; | |
667 | ||
668 | case TYPE_CODE_ENUM: | |
669 | if (format) | |
670 | { | |
671 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
672 | break; | |
673 | } | |
674 | len = TYPE_NFIELDS (type); | |
675 | val = unpack_long (builtin_type_int, valaddr); | |
676 | for (i = 0; i < len; i++) | |
677 | { | |
678 | QUIT; | |
679 | if (val == TYPE_FIELD_BITPOS (type, i)) | |
680 | break; | |
681 | } | |
682 | if (i < len) | |
683 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
684 | else | |
685 | fprintf_filtered (stream, "%d", (int) val); | |
686 | break; | |
687 | ||
688 | case TYPE_CODE_FUNC: | |
689 | if (format) | |
690 | { | |
691 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
692 | break; | |
693 | } | |
694 | fprintf_filtered (stream, "{"); | |
695 | type_print (type, "", stream, -1); | |
696 | fprintf_filtered (stream, "} "); | |
697 | fprintf_filtered (stream, "0x%x", address); | |
698 | break; | |
699 | ||
700 | case TYPE_CODE_INT: | |
701 | if (format) | |
702 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
703 | else | |
704 | { | |
705 | (*default_scalar_print)(stream, type, unpack_long(type, valaddr)); | |
706 | #ifdef notdef | |
707 | if (TYPE_LENGTH (type) == 1) | |
708 | { | |
709 | fprintf_filtered (stream, " '"); | |
710 | printchar ((unsigned char) unpack_long (type, valaddr), | |
711 | stream, '\''); | |
712 | fprintf_filtered (stream, "'"); | |
713 | } | |
714 | #endif | |
715 | } | |
716 | break; | |
717 | ||
718 | case TYPE_CODE_FLT: | |
719 | if (format) | |
720 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
721 | else | |
722 | print_floating (valaddr, type, stream); | |
723 | break; | |
724 | ||
725 | case TYPE_CODE_VOID: | |
726 | fprintf_filtered (stream, "void"); | |
727 | break; | |
728 | ||
729 | default: | |
730 | error ("Invalid type code in symbol table."); | |
731 | } | |
732 | fflush (stream); | |
733 | return 0; | |
734 | } | |
735 | \f | |
736 | /* Print a description of a type TYPE | |
737 | in the form of a declaration of a variable named VARSTRING. | |
738 | Output goes to STREAM (via stdio). | |
739 | If SHOW is positive, we show the contents of the outermost level | |
740 | of structure even if there is a type name that could be used instead. | |
741 | If SHOW is negative, we never show the details of elements' types. */ | |
742 | ||
743 | void | |
744 | type_print (type, varstring, stream, show) | |
745 | struct type *type; | |
746 | char *varstring; | |
747 | FILE *stream; | |
748 | int show; | |
749 | { | |
750 | type_print_1 (type, varstring, stream, show, 0); | |
751 | } | |
752 | ||
753 | /* LEVEL is the depth to indent lines by. */ | |
754 | ||
755 | void | |
756 | type_print_1 (type, varstring, stream, show, level) | |
757 | struct type *type; | |
758 | char *varstring; | |
759 | FILE *stream; | |
760 | int show; | |
761 | int level; | |
762 | { | |
763 | register enum type_code code; | |
764 | type_print_base (type, stream, show, level); | |
765 | code = TYPE_CODE (type); | |
766 | if ((varstring && *varstring) | |
767 | || | |
768 | /* Need a space if going to print stars or brackets; | |
769 | but not if we will print just a type name. */ | |
770 | ((show > 0 || TYPE_NAME (type) == 0) | |
771 | && | |
772 | (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | |
773 | || code == TYPE_CODE_METHOD | |
774 | || code == TYPE_CODE_ARRAY | |
775 | || code == TYPE_CODE_MEMBER | |
776 | || code == TYPE_CODE_REF))) | |
777 | fprintf_filtered (stream, " "); | |
778 | type_print_varspec_prefix (type, stream, show, 0); | |
779 | fputs_filtered (varstring, stream); | |
780 | type_print_varspec_suffix (type, stream, show, 0); | |
781 | } | |
782 | ||
783 | /* Print the method arguments ARGS to the file STREAM. */ | |
784 | static void | |
785 | type_print_method_args (args, prefix, varstring, staticp, stream) | |
786 | struct type **args; | |
787 | char *prefix, *varstring; | |
788 | int staticp; | |
789 | FILE *stream; | |
790 | { | |
791 | int i; | |
792 | ||
793 | fputs_filtered (" ", stream); | |
794 | fputs_filtered (prefix, stream); | |
795 | fputs_filtered (varstring, stream); | |
796 | fputs_filtered (" (", stream); | |
797 | if (args && args[!staticp] && args[!staticp]->code != TYPE_CODE_VOID) | |
798 | { | |
799 | i = !staticp; /* skip the class variable */ | |
800 | while (1) | |
801 | { | |
802 | type_print (args[i++], "", stream, 0); | |
803 | if (!args[i]) | |
804 | { | |
805 | fprintf_filtered (stream, " ..."); | |
806 | break; | |
807 | } | |
808 | else if (args[i]->code != TYPE_CODE_VOID) | |
809 | { | |
810 | fprintf_filtered (stream, ", "); | |
811 | } | |
812 | else break; | |
813 | } | |
814 | } | |
815 | fprintf_filtered (stream, ")"); | |
816 | } | |
817 | ||
818 | /* If TYPE is a derived type, then print out derivation | |
819 | information. Print out all layers of the type heirarchy | |
820 | until we encounter one with multiple inheritance. | |
821 | At that point, print out that ply, and return. */ | |
822 | static void | |
823 | type_print_derivation_info (stream, type) | |
824 | FILE *stream; | |
825 | struct type *type; | |
826 | { | |
827 | char *name; | |
828 | int i, n_baseclasses = TYPE_N_BASECLASSES (type); | |
829 | struct type *basetype = 0; | |
830 | ||
831 | while (type && n_baseclasses == 1) | |
832 | { | |
833 | basetype = TYPE_BASECLASS (type, 1); | |
834 | if (TYPE_NAME (basetype) && (name = TYPE_NAME (basetype))) | |
835 | { | |
836 | while (*name != ' ') name++; | |
837 | fprintf_filtered (stream, ": %s%s ", | |
838 | TYPE_VIA_PUBLIC (basetype) ? "public" : "private", | |
839 | TYPE_VIA_VIRTUAL (basetype) ? " virtual" : ""); | |
840 | fputs_filtered (name + 1, stream); | |
841 | fputs_filtered (" ", stream); | |
842 | } | |
843 | n_baseclasses = TYPE_N_BASECLASSES (basetype); | |
844 | type = basetype; | |
845 | } | |
846 | ||
847 | if (type) | |
848 | { | |
849 | if (n_baseclasses != 0) | |
850 | fprintf_filtered (stream, ": "); | |
851 | for (i = 1; i <= n_baseclasses; i++) | |
852 | { | |
853 | basetype = TYPE_BASECLASS (type, i); | |
854 | if (TYPE_NAME (basetype) && (name = TYPE_NAME (basetype))) | |
855 | { | |
856 | while (*name != ' ') name++; | |
857 | fprintf_filtered (stream, "%s%s ", | |
858 | TYPE_VIA_PUBLIC (basetype) ? "public" : "private", | |
859 | TYPE_VIA_VIRTUAL (basetype) ? " virtual" : ""); | |
860 | fputs_filtered (name + 1, stream); | |
861 | } | |
862 | if (i < n_baseclasses) | |
863 | fprintf_filtered (stream, ", "); | |
864 | } | |
865 | fprintf_filtered (stream, " "); | |
866 | } | |
867 | } | |
868 | ||
869 | /* Print any asterisks or open-parentheses needed before the | |
870 | variable name (to describe its type). | |
871 | ||
872 | On outermost call, pass 0 for PASSED_A_PTR. | |
873 | On outermost call, SHOW > 0 means should ignore | |
874 | any typename for TYPE and show its details. | |
875 | SHOW is always zero on recursive calls. */ | |
876 | ||
877 | static void | |
878 | type_print_varspec_prefix (type, stream, show, passed_a_ptr) | |
879 | struct type *type; | |
880 | FILE *stream; | |
881 | int show; | |
882 | int passed_a_ptr; | |
883 | { | |
884 | if (type == 0) | |
885 | return; | |
886 | ||
887 | if (TYPE_NAME (type) && show <= 0) | |
888 | return; | |
889 | ||
890 | QUIT; | |
891 | ||
892 | switch (TYPE_CODE (type)) | |
893 | { | |
894 | case TYPE_CODE_PTR: | |
895 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
896 | fprintf_filtered (stream, "*"); | |
897 | break; | |
898 | ||
899 | case TYPE_CODE_MEMBER: | |
900 | if (passed_a_ptr) | |
901 | fprintf_filtered (stream, "("); | |
902 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, | |
903 | 0); | |
904 | fprintf_filtered (stream, " "); | |
905 | type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, | |
906 | passed_a_ptr); | |
907 | fprintf_filtered (stream, "::"); | |
908 | break; | |
909 | ||
910 | case TYPE_CODE_METHOD: | |
911 | if (passed_a_ptr) | |
912 | fprintf (stream, "("); | |
913 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, | |
914 | 0); | |
915 | fprintf_filtered (stream, " "); | |
916 | type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, | |
917 | passed_a_ptr); | |
918 | fprintf_filtered (stream, "::"); | |
919 | break; | |
920 | ||
921 | case TYPE_CODE_REF: | |
922 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
923 | fprintf_filtered (stream, "&"); | |
924 | break; | |
925 | ||
926 | case TYPE_CODE_FUNC: | |
927 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, | |
928 | 0); | |
929 | if (passed_a_ptr) | |
930 | fprintf_filtered (stream, "("); | |
931 | break; | |
932 | ||
933 | case TYPE_CODE_ARRAY: | |
934 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, | |
935 | 0); | |
936 | if (passed_a_ptr) | |
937 | fprintf_filtered (stream, "("); | |
938 | } | |
939 | } | |
940 | ||
941 | /* Print any array sizes, function arguments or close parentheses | |
942 | needed after the variable name (to describe its type). | |
943 | Args work like type_print_varspec_prefix. */ | |
944 | ||
945 | static void | |
946 | type_print_varspec_suffix (type, stream, show, passed_a_ptr) | |
947 | struct type *type; | |
948 | FILE *stream; | |
949 | int show; | |
950 | int passed_a_ptr; | |
951 | { | |
952 | if (type == 0) | |
953 | return; | |
954 | ||
955 | if (TYPE_NAME (type) && show <= 0) | |
956 | return; | |
957 | ||
958 | QUIT; | |
959 | ||
960 | switch (TYPE_CODE (type)) | |
961 | { | |
962 | case TYPE_CODE_ARRAY: | |
963 | if (passed_a_ptr) | |
964 | fprintf_filtered (stream, ")"); | |
965 | ||
966 | fprintf_filtered (stream, "["); | |
967 | if (TYPE_LENGTH (type) >= 0 | |
968 | && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) | |
969 | fprintf_filtered (stream, "%d", | |
970 | (TYPE_LENGTH (type) | |
971 | / TYPE_LENGTH (TYPE_TARGET_TYPE (type)))); | |
972 | fprintf_filtered (stream, "]"); | |
973 | ||
974 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
975 | 0); | |
976 | break; | |
977 | ||
978 | case TYPE_CODE_MEMBER: | |
979 | if (passed_a_ptr) | |
980 | fprintf_filtered (stream, ")"); | |
981 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
982 | break; | |
983 | ||
984 | case TYPE_CODE_METHOD: | |
985 | if (passed_a_ptr) | |
986 | fprintf_filtered (stream, ")"); | |
987 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
988 | if (passed_a_ptr) | |
989 | { | |
990 | int i; | |
991 | struct type **args = TYPE_ARG_TYPES (type); | |
992 | ||
993 | fprintf_filtered (stream, "("); | |
994 | if (args[1] == 0) | |
995 | fprintf_filtered (stream, "..."); | |
996 | else for (i = 1; args[i] != 0 && args[i]->code != TYPE_CODE_VOID; i++) | |
997 | { | |
998 | type_print_1 (args[i], "", stream, -1, 0); | |
999 | if (args[i+1] == 0) | |
1000 | fprintf_filtered (stream, "..."); | |
1001 | else if (args[i+1]->code != TYPE_CODE_VOID) | |
1002 | fprintf_filtered (stream, ","); | |
1003 | } | |
1004 | fprintf_filtered (stream, ")"); | |
1005 | } | |
1006 | break; | |
1007 | ||
1008 | case TYPE_CODE_PTR: | |
1009 | case TYPE_CODE_REF: | |
1010 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
1011 | break; | |
1012 | ||
1013 | case TYPE_CODE_FUNC: | |
1014 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
1015 | passed_a_ptr); | |
1016 | if (passed_a_ptr) | |
1017 | fprintf_filtered (stream, ")"); | |
1018 | fprintf_filtered (stream, "()"); | |
1019 | break; | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | /* Print the name of the type (or the ultimate pointer target, | |
1024 | function value or array element), or the description of a | |
1025 | structure or union. | |
1026 | ||
1027 | SHOW nonzero means don't print this type as just its name; | |
1028 | show its real definition even if it has a name. | |
1029 | SHOW zero means print just typename or struct tag if there is one | |
1030 | SHOW negative means abbreviate structure elements. | |
1031 | SHOW is decremented for printing of structure elements. | |
1032 | ||
1033 | LEVEL is the depth to indent by. | |
1034 | We increase it for some recursive calls. */ | |
1035 | ||
1036 | static void | |
1037 | type_print_base (type, stream, show, level) | |
1038 | struct type *type; | |
1039 | FILE *stream; | |
1040 | int show; | |
1041 | int level; | |
1042 | { | |
1043 | char *name; | |
1044 | register int i; | |
1045 | register int len; | |
1046 | register int lastval; | |
1047 | ||
1048 | QUIT; | |
1049 | ||
1050 | if (type == 0) | |
1051 | { | |
1052 | fprintf_filtered (stream, "type unknown"); | |
1053 | return; | |
1054 | } | |
1055 | ||
1056 | if (TYPE_NAME (type) && show <= 0) | |
1057 | { | |
1058 | fputs_filtered (TYPE_NAME (type), stream); | |
1059 | return; | |
1060 | } | |
1061 | ||
1062 | switch (TYPE_CODE (type)) | |
1063 | { | |
1064 | case TYPE_CODE_ARRAY: | |
1065 | case TYPE_CODE_PTR: | |
1066 | case TYPE_CODE_MEMBER: | |
1067 | case TYPE_CODE_REF: | |
1068 | case TYPE_CODE_FUNC: | |
1069 | case TYPE_CODE_METHOD: | |
1070 | type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
1071 | break; | |
1072 | ||
1073 | case TYPE_CODE_STRUCT: | |
1074 | fprintf_filtered (stream, "struct "); | |
1075 | goto struct_union; | |
1076 | ||
1077 | case TYPE_CODE_UNION: | |
1078 | fprintf_filtered (stream, "union "); | |
1079 | struct_union: | |
1080 | if (TYPE_NAME (type) && (name = TYPE_NAME (type))) | |
1081 | { | |
1082 | while (*name != ' ') name++; | |
1083 | fputs_filtered (name + 1, stream); | |
1084 | fputs_filtered (" ", stream); | |
1085 | } | |
1086 | if (show < 0) | |
1087 | fprintf_filtered (stream, "{...}"); | |
1088 | else | |
1089 | { | |
1090 | int i; | |
1091 | ||
1092 | type_print_derivation_info (stream, type); | |
1093 | ||
1094 | fprintf_filtered (stream, "{"); | |
1095 | len = TYPE_NFIELDS (type); | |
1096 | if (len) | |
1097 | fprintf_filtered (stream, "\n"); | |
1098 | else | |
1099 | { | |
1100 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) | |
1101 | fprintf_filtered (stream, "<incomplete type>\n"); | |
1102 | else | |
1103 | fprintf_filtered (stream, "<no data fields>\n"); | |
1104 | } | |
1105 | ||
1106 | /* If there is a base class for this type, | |
1107 | do not print the field that it occupies. */ | |
1108 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) | |
1109 | { | |
1110 | QUIT; | |
1111 | /* Don't print out virtual function table. */ | |
1112 | if (! strncmp (TYPE_FIELD_NAME (type, i), | |
1113 | "_vptr$", 6)) | |
1114 | continue; | |
1115 | ||
1116 | print_spaces_filtered (level + 4, stream); | |
1117 | if (TYPE_FIELD_STATIC (type, i)) | |
1118 | { | |
1119 | fprintf_filtered (stream, "static "); | |
1120 | } | |
1121 | type_print_1 (TYPE_FIELD_TYPE (type, i), | |
1122 | TYPE_FIELD_NAME (type, i), | |
1123 | stream, show - 1, level + 4); | |
1124 | if (!TYPE_FIELD_STATIC (type, i) | |
1125 | && TYPE_FIELD_PACKED (type, i)) | |
1126 | { | |
1127 | /* It is a bitfield. This code does not attempt | |
1128 | to look at the bitpos and reconstruct filler, | |
1129 | unnamed fields. This would lead to misleading | |
1130 | results if the compiler does not put out fields | |
1131 | for such things (I don't know what it does). */ | |
1132 | fprintf_filtered (stream, " : %d", | |
1133 | TYPE_FIELD_BITSIZE (type, i)); | |
1134 | } | |
1135 | fprintf_filtered (stream, ";\n"); | |
1136 | } | |
1137 | ||
1138 | /* C++: print out the methods */ | |
1139 | len = TYPE_NFN_FIELDS (type); | |
1140 | if (len) fprintf_filtered (stream, "\n"); | |
1141 | for (i = 0; i < len; i++) | |
1142 | { | |
1143 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
1144 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
1145 | ||
1146 | for (j = 0; j < len2; j++) | |
1147 | { | |
1148 | QUIT; | |
1149 | print_spaces_filtered (level + 4, stream); | |
1150 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) | |
1151 | fprintf_filtered (stream, "virtual "); | |
1152 | else if (TYPE_FN_FIELD_STATIC_P (f, j)) | |
1153 | fprintf_filtered (stream, "static "); | |
1154 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), "", stream, 0); | |
1155 | if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_' | |
1156 | && TYPE_FN_FIELD_PHYSNAME (f, j)[1] == '$') | |
1157 | type_print_method_args | |
1158 | (TYPE_FN_FIELD_ARGS (f, j) + 1, "~", | |
1159 | TYPE_FN_FIELDLIST_NAME (type, i), 0, stream); | |
1160 | else | |
1161 | type_print_method_args | |
1162 | (TYPE_FN_FIELD_ARGS (f, j), "", | |
1163 | TYPE_FN_FIELDLIST_NAME (type, i), | |
1164 | TYPE_FN_FIELD_STATIC_P (f, j), stream); | |
1165 | ||
1166 | fprintf_filtered (stream, ";\n"); | |
1167 | } | |
1168 | if (len2) fprintf_filtered (stream, "\n"); | |
1169 | } | |
1170 | ||
1171 | print_spaces_filtered (level, stream); | |
1172 | fprintf_filtered (stream, "}"); | |
1173 | } | |
1174 | break; | |
1175 | ||
1176 | case TYPE_CODE_ENUM: | |
1177 | fprintf_filtered (stream, "enum "); | |
1178 | if (TYPE_NAME (type)) | |
1179 | { | |
1180 | name = TYPE_NAME (type); | |
1181 | while (*name != ' ') name++; | |
1182 | fputs_filtered (name + 1, stream); | |
1183 | fputs_filtered (" ", stream); | |
1184 | } | |
1185 | if (show < 0) | |
1186 | fprintf_filtered (stream, "{...}"); | |
1187 | else | |
1188 | { | |
1189 | fprintf_filtered (stream, "{"); | |
1190 | len = TYPE_NFIELDS (type); | |
1191 | lastval = 0; | |
1192 | for (i = 0; i < len; i++) | |
1193 | { | |
1194 | QUIT; | |
1195 | if (i) fprintf_filtered (stream, ", "); | |
1196 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
1197 | if (lastval != TYPE_FIELD_BITPOS (type, i)) | |
1198 | { | |
1199 | fprintf_filtered (stream, " : %d", TYPE_FIELD_BITPOS (type, i)); | |
1200 | lastval = TYPE_FIELD_BITPOS (type, i); | |
1201 | } | |
1202 | lastval++; | |
1203 | } | |
1204 | fprintf_filtered (stream, "}"); | |
1205 | } | |
1206 | break; | |
1207 | ||
1208 | case TYPE_CODE_INT: | |
1209 | if (TYPE_UNSIGNED (type)) | |
1210 | name = unsigned_type_table[TYPE_LENGTH (type)]; | |
1211 | else | |
1212 | name = signed_type_table[TYPE_LENGTH (type)]; | |
1213 | fputs_filtered (name, stream); | |
1214 | break; | |
1215 | ||
1216 | case TYPE_CODE_FLT: | |
1217 | name = float_type_table[TYPE_LENGTH (type)]; | |
1218 | fputs_filtered (name, stream); | |
1219 | break; | |
1220 | ||
1221 | case TYPE_CODE_VOID: | |
1222 | fprintf_filtered (stream, "void"); | |
1223 | break; | |
1224 | ||
1225 | case 0: | |
1226 | fprintf_filtered (stream, "struct unknown"); | |
1227 | break; | |
1228 | ||
1229 | default: | |
1230 | error ("Invalid type code in symbol table."); | |
1231 | } | |
1232 | } | |
1233 | ||
1234 | static void | |
1235 | scalar_print_decimal(stream, type, val) | |
1236 | FILE *stream; | |
1237 | struct type *type; | |
1238 | LONGEST val; | |
1239 | { | |
1240 | fprintf_filtered(stream, TYPE_UNSIGNED(type)? "%lu":"%ld", val); | |
1241 | } | |
1242 | ||
1243 | static void | |
1244 | scalar_print_hex(stream, type, val) | |
1245 | FILE *stream; | |
1246 | struct type *type; | |
1247 | LONGEST val; | |
1248 | { | |
1249 | switch (TYPE_LENGTH(type)) { | |
1250 | case 1: | |
1251 | fprintf_filtered (stream, "0x%02lx", val); | |
1252 | break; | |
1253 | case 2: | |
1254 | fprintf_filtered (stream, "0x%04lx", val); | |
1255 | break; | |
1256 | case 4: | |
1257 | fprintf_filtered (stream, "0x%08lx", val); | |
1258 | break; | |
1259 | default: | |
1260 | fprintf_filtered (stream, "0x%lx", val); | |
1261 | break; | |
1262 | } | |
1263 | } | |
1264 | ||
1265 | static void | |
1266 | scalar_print_octal(stream, type, val) | |
1267 | FILE *stream; | |
1268 | struct type *type; | |
1269 | LONGEST val; | |
1270 | { | |
1271 | switch (TYPE_LENGTH(type)) { | |
1272 | case 1: | |
1273 | fprintf_filtered (stream, "0%03lo", val); | |
1274 | break; | |
1275 | case 2: | |
1276 | fprintf_filtered (stream, "0%06lo", val); | |
1277 | break; | |
1278 | case 4: | |
1279 | fprintf_filtered (stream, "0%012lo", val); | |
1280 | break; | |
1281 | default: | |
1282 | fprintf_filtered (stream, "0%lo", val); | |
1283 | break; | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | static void | |
1288 | scalar_print_hack(stream, type, val) | |
1289 | FILE *stream; | |
1290 | struct type *type; | |
1291 | LONGEST val; | |
1292 | { | |
1293 | if (TYPE_UNSIGNED(type)) | |
1294 | scalar_print_hex(stream, type, val); | |
1295 | else | |
1296 | scalar_print_decimal(stream, type, val); | |
1297 | } | |
1298 | \f | |
1299 | static void | |
1300 | set_maximum_command (arg) | |
1301 | char *arg; | |
1302 | { | |
1303 | if (!arg) error_no_arg ("value for maximum elements to print"); | |
1304 | print_max = parse_and_eval_address (arg); | |
1305 | if (print_max == 0) | |
1306 | print_max = UINT_MAX; | |
1307 | } | |
1308 | ||
1309 | static void | |
1310 | set_base_command(arg) | |
1311 | char *arg; | |
1312 | { | |
1313 | int base; | |
1314 | ||
1315 | if (!arg) | |
1316 | base = 0; | |
1317 | else | |
1318 | base = parse_and_eval_address (arg); | |
1319 | switch (base) { | |
1320 | default: | |
1321 | default_scalar_print = scalar_print_hack; | |
1322 | break; | |
1323 | case 8: | |
1324 | default_scalar_print = scalar_print_octal; | |
1325 | break; | |
1326 | case 10: | |
1327 | default_scalar_print = scalar_print_decimal; | |
1328 | break; | |
1329 | case 16: | |
1330 | default_scalar_print = scalar_print_hex; | |
1331 | break; | |
1332 | } | |
1333 | } | |
1334 | ||
1335 | static void | |
1336 | set_prettyprint_command (arg, from_tty) | |
1337 | char *arg; | |
1338 | int from_tty; | |
1339 | { | |
1340 | prettyprint = parse_binary_operation ("set prettyprint", arg); | |
1341 | } | |
1342 | ||
1343 | static void | |
1344 | set_unionprint_command (arg, from_tty) | |
1345 | char *arg; | |
1346 | int from_tty; | |
1347 | { | |
1348 | unionprint = parse_binary_operation ("set unionprint", arg); | |
1349 | } | |
1350 | ||
1351 | format_info (arg, from_tty) | |
1352 | char *arg; | |
1353 | int from_tty; | |
1354 | { | |
1355 | if (arg) | |
1356 | error ("\"info format\" does not take any arguments."); | |
1357 | printf ("Prettyprinting of structures is %s.\n", | |
1358 | prettyprint ? "on" : "off"); | |
1359 | printf ("Printing of unions interior to structures is %s.\n", | |
1360 | unionprint ? "on" : "off"); | |
1361 | if (print_max == UINT_MAX) | |
1362 | printf_filtered | |
1363 | ("There is no maximum number of array elements printed.\n"); | |
1364 | else | |
1365 | printf_filtered | |
1366 | ("The maximum number of array elements printed is %d.\n", print_max); | |
1367 | } | |
1368 | ||
1369 | extern struct cmd_list_element *setlist; | |
1370 | ||
1371 | void | |
1372 | _initialize_valprint () | |
1373 | { | |
1374 | add_cmd ("base", class_support, set_base_command, | |
1375 | "Change default integer print radix to 8, 10 or 16\n\ | |
1376 | No args returns to the ad-hoc default of `16' for unsigned values\n\ | |
1377 | and `10' otherwise.", | |
1378 | &setlist); | |
1379 | add_cmd ("array-max", class_vars, set_maximum_command, | |
1380 | "Set NUMBER as limit on string chars or array elements to print.\n\ | |
1381 | \"set array-max 0\" causes there to be no limit.", | |
1382 | &setlist); | |
1383 | ||
1384 | add_cmd ("prettyprint", class_support, set_prettyprint_command, | |
1385 | "Turn prettyprinting of structures on and off.", | |
1386 | &setlist); | |
1387 | add_alias_cmd ("pp", "prettyprint", class_support, 1, &setlist); | |
1388 | ||
1389 | add_cmd ("unionprint", class_support, set_unionprint_command, | |
1390 | "Turn printing of unions interior to structures on and off.", | |
1391 | &setlist); | |
1392 | ||
1393 | add_info ("format", format_info, | |
1394 | "Show current settings of data formatting options."); | |
1395 | ||
1396 | /* Give people the defaults which they are used to. */ | |
1397 | prettyprint = 0; | |
1398 | unionprint = 1; | |
1399 | ||
1400 | print_max = 200; | |
1401 | ||
1402 | unsigned_type_table | |
1403 | = (char **) xmalloc ((1 + sizeof (unsigned LONGEST)) * sizeof (char *)); | |
1404 | bzero (unsigned_type_table, (1 + sizeof (unsigned LONGEST))); | |
1405 | unsigned_type_table[sizeof (unsigned char)] = "unsigned char"; | |
1406 | unsigned_type_table[sizeof (unsigned short)] = "unsigned short"; | |
1407 | unsigned_type_table[sizeof (unsigned long)] = "unsigned long"; | |
1408 | unsigned_type_table[sizeof (unsigned int)] = "unsigned int"; | |
1409 | #ifdef LONG_LONG | |
1410 | unsigned_type_table[sizeof (unsigned long long)] = "unsigned long long"; | |
1411 | #endif | |
1412 | ||
1413 | signed_type_table | |
1414 | = (char **) xmalloc ((1 + sizeof (LONGEST)) * sizeof (char *)); | |
1415 | bzero (signed_type_table, (1 + sizeof (LONGEST))); | |
1416 | signed_type_table[sizeof (char)] = "char"; | |
1417 | signed_type_table[sizeof (short)] = "short"; | |
1418 | signed_type_table[sizeof (long)] = "long"; | |
1419 | signed_type_table[sizeof (int)] = "int"; | |
1420 | #ifdef LONG_LONG | |
1421 | signed_type_table[sizeof (long long)] = "long long"; | |
1422 | #endif | |
1423 | ||
1424 | float_type_table | |
1425 | = (char **) xmalloc ((1 + sizeof (double)) * sizeof (char *)); | |
1426 | bzero (float_type_table, (1 + sizeof (double))); | |
1427 | float_type_table[sizeof (float)] = "float"; | |
1428 | float_type_table[sizeof (double)] = "double"; | |
1429 | } | |
1430 |