Commit | Line | Data |
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c906108c | 1 | /* Language independent support for printing types for GDB, the GNU debugger. |
1bac305b | 2 | |
618f726f | 3 | Copyright (C) 1986-2016 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
04ea0df1 | 21 | #include "gdb_obstack.h" |
c906108c SS |
22 | #include "bfd.h" /* Binary File Description */ |
23 | #include "symtab.h" | |
24 | #include "gdbtypes.h" | |
25 | #include "expression.h" | |
26 | #include "value.h" | |
27 | #include "gdbcore.h" | |
28 | #include "command.h" | |
29 | #include "gdbcmd.h" | |
30 | #include "target.h" | |
31 | #include "language.h" | |
015a42b4 | 32 | #include "cp-abi.h" |
b9362cc7 | 33 | #include "typeprint.h" |
79a45b7d | 34 | #include "valprint.h" |
53342f27 TT |
35 | #include <ctype.h> |
36 | #include "cli/cli-utils.h" | |
6dddc817 | 37 | #include "extension.h" |
4fc5d43e | 38 | #include "completer.h" |
c906108c | 39 | |
a14ed312 | 40 | extern void _initialize_typeprint (void); |
392a587b | 41 | |
a14ed312 | 42 | static void ptype_command (char *, int); |
c906108c | 43 | |
a14ed312 | 44 | static void whatis_command (char *, int); |
c906108c | 45 | |
a14ed312 | 46 | static void whatis_exp (char *, int); |
c906108c | 47 | |
79d43c61 TT |
48 | const struct type_print_options type_print_raw_options = |
49 | { | |
53342f27 TT |
50 | 1, /* raw */ |
51 | 1, /* print_methods */ | |
bd69fc68 | 52 | 1, /* print_typedefs */ |
18a9fc12 TT |
53 | NULL, /* local_typedefs */ |
54 | NULL, /* global_table */ | |
55 | NULL /* global_printers */ | |
79d43c61 TT |
56 | }; |
57 | ||
58 | /* The default flags for 'ptype' and 'whatis'. */ | |
59 | ||
60 | static struct type_print_options default_ptype_flags = | |
61 | { | |
53342f27 TT |
62 | 0, /* raw */ |
63 | 1, /* print_methods */ | |
bd69fc68 | 64 | 1, /* print_typedefs */ |
18a9fc12 TT |
65 | NULL, /* local_typedefs */ |
66 | NULL, /* global_table */ | |
67 | NULL /* global_printers */ | |
79d43c61 | 68 | }; |
5c6ce71d | 69 | |
53342f27 TT |
70 | \f |
71 | ||
bd69fc68 TT |
72 | /* A hash table holding typedef_field objects. This is more |
73 | complicated than an ordinary hash because it must also track the | |
74 | lifetime of some -- but not all -- of the contained objects. */ | |
75 | ||
76 | struct typedef_hash_table | |
77 | { | |
78 | /* The actual hash table. */ | |
79 | htab_t table; | |
80 | ||
81 | /* Storage for typedef_field objects that must be synthesized. */ | |
82 | struct obstack storage; | |
83 | }; | |
84 | ||
85 | /* A hash function for a typedef_field. */ | |
86 | ||
87 | static hashval_t | |
88 | hash_typedef_field (const void *p) | |
89 | { | |
19ba03f4 | 90 | const struct typedef_field *tf = (const struct typedef_field *) p; |
bd69fc68 TT |
91 | struct type *t = check_typedef (tf->type); |
92 | ||
93 | return htab_hash_string (TYPE_SAFE_NAME (t)); | |
94 | } | |
95 | ||
96 | /* An equality function for a typedef field. */ | |
97 | ||
98 | static int | |
99 | eq_typedef_field (const void *a, const void *b) | |
100 | { | |
19ba03f4 SM |
101 | const struct typedef_field *tfa = (const struct typedef_field *) a; |
102 | const struct typedef_field *tfb = (const struct typedef_field *) b; | |
bd69fc68 TT |
103 | |
104 | return types_equal (tfa->type, tfb->type); | |
105 | } | |
106 | ||
107 | /* Add typedefs from T to the hash table TABLE. */ | |
108 | ||
109 | void | |
110 | recursively_update_typedef_hash (struct typedef_hash_table *table, | |
111 | struct type *t) | |
112 | { | |
113 | int i; | |
114 | ||
115 | if (table == NULL) | |
116 | return; | |
117 | ||
118 | for (i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (t); ++i) | |
119 | { | |
120 | struct typedef_field *tdef = &TYPE_TYPEDEF_FIELD (t, i); | |
121 | void **slot; | |
122 | ||
123 | slot = htab_find_slot (table->table, tdef, INSERT); | |
124 | /* Only add a given typedef name once. Really this shouldn't | |
125 | happen; but it is safe enough to do the updates breadth-first | |
126 | and thus use the most specific typedef. */ | |
127 | if (*slot == NULL) | |
128 | *slot = tdef; | |
129 | } | |
130 | ||
131 | /* Recurse into superclasses. */ | |
132 | for (i = 0; i < TYPE_N_BASECLASSES (t); ++i) | |
133 | recursively_update_typedef_hash (table, TYPE_BASECLASS (t, i)); | |
134 | } | |
135 | ||
136 | /* Add template parameters from T to the typedef hash TABLE. */ | |
137 | ||
138 | void | |
139 | add_template_parameters (struct typedef_hash_table *table, struct type *t) | |
140 | { | |
141 | int i; | |
142 | ||
143 | if (table == NULL) | |
144 | return; | |
145 | ||
146 | for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (t); ++i) | |
147 | { | |
148 | struct typedef_field *tf; | |
149 | void **slot; | |
150 | ||
151 | /* We only want type-valued template parameters in the hash. */ | |
152 | if (SYMBOL_CLASS (TYPE_TEMPLATE_ARGUMENT (t, i)) != LOC_TYPEDEF) | |
153 | continue; | |
154 | ||
155 | tf = XOBNEW (&table->storage, struct typedef_field); | |
156 | tf->name = SYMBOL_LINKAGE_NAME (TYPE_TEMPLATE_ARGUMENT (t, i)); | |
157 | tf->type = SYMBOL_TYPE (TYPE_TEMPLATE_ARGUMENT (t, i)); | |
158 | ||
159 | slot = htab_find_slot (table->table, tf, INSERT); | |
160 | if (*slot == NULL) | |
161 | *slot = tf; | |
162 | } | |
163 | } | |
164 | ||
165 | /* Create a new typedef-lookup hash table. */ | |
166 | ||
167 | struct typedef_hash_table * | |
168 | create_typedef_hash (void) | |
169 | { | |
170 | struct typedef_hash_table *result; | |
171 | ||
172 | result = XNEW (struct typedef_hash_table); | |
173 | result->table = htab_create_alloc (10, hash_typedef_field, eq_typedef_field, | |
174 | NULL, xcalloc, xfree); | |
175 | obstack_init (&result->storage); | |
176 | ||
177 | return result; | |
178 | } | |
179 | ||
180 | /* Free a typedef field table. */ | |
181 | ||
182 | void | |
183 | free_typedef_hash (struct typedef_hash_table *table) | |
184 | { | |
185 | if (table != NULL) | |
186 | { | |
187 | htab_delete (table->table); | |
188 | obstack_free (&table->storage, NULL); | |
189 | xfree (table); | |
190 | } | |
191 | } | |
192 | ||
193 | /* A cleanup for freeing a typedef_hash_table. */ | |
194 | ||
195 | static void | |
196 | do_free_typedef_hash (void *arg) | |
197 | { | |
19ba03f4 | 198 | free_typedef_hash ((struct typedef_hash_table *) arg); |
bd69fc68 TT |
199 | } |
200 | ||
201 | /* Return a new cleanup that frees TABLE. */ | |
202 | ||
203 | struct cleanup * | |
204 | make_cleanup_free_typedef_hash (struct typedef_hash_table *table) | |
205 | { | |
206 | return make_cleanup (do_free_typedef_hash, table); | |
207 | } | |
208 | ||
209 | /* Helper function for copy_typedef_hash. */ | |
210 | ||
211 | static int | |
212 | copy_typedef_hash_element (void **slot, void *nt) | |
213 | { | |
19ba03f4 | 214 | htab_t new_table = (htab_t) nt; |
bd69fc68 TT |
215 | void **new_slot; |
216 | ||
217 | new_slot = htab_find_slot (new_table, *slot, INSERT); | |
218 | if (*new_slot == NULL) | |
219 | *new_slot = *slot; | |
220 | ||
221 | return 1; | |
222 | } | |
223 | ||
224 | /* Copy a typedef hash. */ | |
225 | ||
226 | struct typedef_hash_table * | |
227 | copy_typedef_hash (struct typedef_hash_table *table) | |
228 | { | |
229 | struct typedef_hash_table *result; | |
230 | ||
231 | if (table == NULL) | |
232 | return NULL; | |
233 | ||
234 | result = create_typedef_hash (); | |
235 | htab_traverse_noresize (table->table, copy_typedef_hash_element, | |
236 | result->table); | |
237 | return result; | |
238 | } | |
239 | ||
18a9fc12 TT |
240 | /* A cleanup to free the global typedef hash. */ |
241 | ||
242 | static void | |
243 | do_free_global_table (void *arg) | |
244 | { | |
19ba03f4 | 245 | struct type_print_options *flags = (struct type_print_options *) arg; |
18a9fc12 TT |
246 | |
247 | free_typedef_hash (flags->global_typedefs); | |
6dddc817 | 248 | free_ext_lang_type_printers (flags->global_printers); |
18a9fc12 TT |
249 | } |
250 | ||
251 | /* Create the global typedef hash. */ | |
252 | ||
253 | static struct cleanup * | |
254 | create_global_typedef_table (struct type_print_options *flags) | |
255 | { | |
256 | gdb_assert (flags->global_typedefs == NULL && flags->global_printers == NULL); | |
257 | flags->global_typedefs = create_typedef_hash (); | |
6dddc817 | 258 | flags->global_printers = start_ext_lang_type_printers (); |
18a9fc12 TT |
259 | return make_cleanup (do_free_global_table, flags); |
260 | } | |
261 | ||
262 | /* Look up the type T in the global typedef hash. If it is found, | |
263 | return the typedef name. If it is not found, apply the | |
6dddc817 | 264 | type-printers, if any, given by start_script_type_printers and return the |
18a9fc12 TT |
265 | result. A NULL return means that the name was not found. */ |
266 | ||
267 | static const char * | |
268 | find_global_typedef (const struct type_print_options *flags, | |
269 | struct type *t) | |
270 | { | |
271 | char *applied; | |
272 | void **slot; | |
273 | struct typedef_field tf, *new_tf; | |
274 | ||
275 | if (flags->global_typedefs == NULL) | |
276 | return NULL; | |
277 | ||
278 | tf.name = NULL; | |
279 | tf.type = t; | |
280 | ||
281 | slot = htab_find_slot (flags->global_typedefs->table, &tf, INSERT); | |
282 | if (*slot != NULL) | |
283 | { | |
19ba03f4 | 284 | new_tf = (struct typedef_field *) *slot; |
18a9fc12 TT |
285 | return new_tf->name; |
286 | } | |
287 | ||
9b94fcf1 DE |
288 | /* Put an entry into the hash table now, in case |
289 | apply_ext_lang_type_printers recurses. */ | |
18a9fc12 TT |
290 | new_tf = XOBNEW (&flags->global_typedefs->storage, struct typedef_field); |
291 | new_tf->name = NULL; | |
292 | new_tf->type = t; | |
293 | ||
294 | *slot = new_tf; | |
295 | ||
6dddc817 | 296 | applied = apply_ext_lang_type_printers (flags->global_printers, t); |
18a9fc12 TT |
297 | |
298 | if (applied != NULL) | |
299 | { | |
224c3ddb SM |
300 | new_tf->name |
301 | = (const char *) obstack_copy0 (&flags->global_typedefs->storage, | |
302 | applied, strlen (applied)); | |
18a9fc12 TT |
303 | xfree (applied); |
304 | } | |
305 | ||
306 | return new_tf->name; | |
307 | } | |
308 | ||
bd69fc68 TT |
309 | /* Look up the type T in the typedef hash table in with FLAGS. If T |
310 | is in the table, return its short (class-relative) typedef name. | |
311 | Otherwise return NULL. If the table is NULL, this always returns | |
312 | NULL. */ | |
313 | ||
314 | const char * | |
315 | find_typedef_in_hash (const struct type_print_options *flags, struct type *t) | |
316 | { | |
18a9fc12 TT |
317 | if (flags->local_typedefs != NULL) |
318 | { | |
319 | struct typedef_field tf, *found; | |
bd69fc68 | 320 | |
18a9fc12 TT |
321 | tf.name = NULL; |
322 | tf.type = t; | |
19ba03f4 SM |
323 | found = (struct typedef_field *) htab_find (flags->local_typedefs->table, |
324 | &tf); | |
bd69fc68 | 325 | |
18a9fc12 TT |
326 | if (found != NULL) |
327 | return found->name; | |
328 | } | |
bd69fc68 | 329 | |
18a9fc12 | 330 | return find_global_typedef (flags, t); |
bd69fc68 TT |
331 | } |
332 | ||
333 | \f | |
334 | ||
a5238fbc PM |
335 | /* Print a description of a type in the format of a |
336 | typedef for the current language. | |
c378eb4e | 337 | NEW is the new name for a type TYPE. */ |
a5238fbc PM |
338 | |
339 | void | |
fe978cb0 | 340 | typedef_print (struct type *type, struct symbol *newobj, struct ui_file *stream) |
a5238fbc | 341 | { |
fe978cb0 | 342 | LA_PRINT_TYPEDEF (type, newobj, stream); |
5c6ce71d TT |
343 | } |
344 | ||
345 | /* The default way to print a typedef. */ | |
346 | ||
347 | void | |
348 | default_print_typedef (struct type *type, struct symbol *new_symbol, | |
349 | struct ui_file *stream) | |
350 | { | |
351 | error (_("Language not supported.")); | |
a5238fbc PM |
352 | } |
353 | ||
c906108c SS |
354 | /* Print a description of a type TYPE in the form of a declaration of a |
355 | variable named VARSTRING. (VARSTRING is demangled if necessary.) | |
356 | Output goes to STREAM (via stdio). | |
357 | If SHOW is positive, we show the contents of the outermost level | |
358 | of structure even if there is a type name that could be used instead. | |
359 | If SHOW is negative, we never show the details of elements' types. */ | |
360 | ||
361 | void | |
0d5cff50 | 362 | type_print (struct type *type, const char *varstring, struct ui_file *stream, |
fba45db2 | 363 | int show) |
c906108c | 364 | { |
79d43c61 | 365 | LA_PRINT_TYPE (type, varstring, stream, show, 0, &default_ptype_flags); |
c906108c SS |
366 | } |
367 | ||
ae6a3a4c TJB |
368 | /* Print TYPE to a string, returning it. The caller is responsible for |
369 | freeing the string. */ | |
370 | ||
2f408ecb | 371 | std::string |
ae6a3a4c TJB |
372 | type_to_string (struct type *type) |
373 | { | |
2f408ecb | 374 | std::string s; |
ae6a3a4c TJB |
375 | struct ui_file *stb; |
376 | struct cleanup *old_chain; | |
ae6a3a4c TJB |
377 | |
378 | stb = mem_fileopen (); | |
379 | old_chain = make_cleanup_ui_file_delete (stb); | |
380 | ||
492d29ea | 381 | TRY |
ae6a3a4c TJB |
382 | { |
383 | type_print (type, "", stb, -1); | |
2f408ecb | 384 | s = ui_file_as_string (stb); |
ae6a3a4c | 385 | } |
492d29ea PA |
386 | CATCH (except, RETURN_MASK_ALL) |
387 | { | |
492d29ea PA |
388 | } |
389 | END_CATCH | |
ae6a3a4c TJB |
390 | |
391 | do_cleanups (old_chain); | |
392 | ||
393 | return s; | |
394 | } | |
395 | ||
c906108c SS |
396 | /* Print type of EXP, or last thing in value history if EXP == NULL. |
397 | show is passed to type_print. */ | |
398 | ||
399 | static void | |
fba45db2 | 400 | whatis_exp (char *exp, int show) |
c906108c | 401 | { |
3d6d86c6 | 402 | struct value *val; |
18a9fc12 | 403 | struct cleanup *old_chain; |
c5aa993b | 404 | struct type *real_type = NULL; |
070ad9f0 | 405 | struct type *type; |
c906108c | 406 | int full = 0; |
6b850546 | 407 | LONGEST top = -1; |
c906108c | 408 | int using_enc = 0; |
79a45b7d | 409 | struct value_print_options opts; |
53342f27 | 410 | struct type_print_options flags = default_ptype_flags; |
c906108c | 411 | |
18a9fc12 TT |
412 | old_chain = make_cleanup (null_cleanup, NULL); |
413 | ||
c906108c SS |
414 | if (exp) |
415 | { | |
53342f27 TT |
416 | if (*exp == '/') |
417 | { | |
418 | int seen_one = 0; | |
419 | ||
420 | for (++exp; *exp && !isspace (*exp); ++exp) | |
421 | { | |
422 | switch (*exp) | |
423 | { | |
424 | case 'r': | |
425 | flags.raw = 1; | |
426 | break; | |
427 | case 'm': | |
428 | flags.print_methods = 0; | |
429 | break; | |
430 | case 'M': | |
431 | flags.print_methods = 1; | |
432 | break; | |
433 | case 't': | |
434 | flags.print_typedefs = 0; | |
435 | break; | |
436 | case 'T': | |
437 | flags.print_typedefs = 1; | |
438 | break; | |
439 | default: | |
440 | error (_("unrecognized flag '%c'"), *exp); | |
441 | } | |
442 | seen_one = 1; | |
443 | } | |
444 | ||
445 | if (!*exp && !seen_one) | |
446 | error (_("flag expected")); | |
447 | if (!isspace (*exp)) | |
448 | error (_("expected space after format")); | |
449 | exp = skip_spaces (exp); | |
450 | } | |
451 | ||
4d01a485 PA |
452 | expression_up expr = parse_expression (exp); |
453 | val = evaluate_type (expr.get ()); | |
c906108c SS |
454 | } |
455 | else | |
456 | val = access_value_history (0); | |
457 | ||
df407dfe | 458 | type = value_type (val); |
070ad9f0 | 459 | |
79a45b7d TT |
460 | get_user_print_options (&opts); |
461 | if (opts.objectprint) | |
070ad9f0 | 462 | { |
41808ebe DE |
463 | if (((TYPE_CODE (type) == TYPE_CODE_PTR) |
464 | || (TYPE_CODE (type) == TYPE_CODE_REF)) | |
4753d33b | 465 | && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT)) |
dfcee124 | 466 | real_type = value_rtti_indirect_type (val, &full, &top, &using_enc); |
4753d33b | 467 | else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) |
41808ebe | 468 | real_type = value_rtti_type (val, &full, &top, &using_enc); |
070ad9f0 | 469 | } |
c906108c SS |
470 | |
471 | printf_filtered ("type = "); | |
472 | ||
18a9fc12 TT |
473 | if (!flags.raw) |
474 | create_global_typedef_table (&flags); | |
475 | ||
070ad9f0 DB |
476 | if (real_type) |
477 | { | |
478 | printf_filtered ("/* real type = "); | |
479 | type_print (real_type, "", gdb_stdout, -1); | |
480 | if (! full) | |
481 | printf_filtered (" (incomplete object)"); | |
482 | printf_filtered (" */\n"); | |
483 | } | |
c906108c | 484 | |
53342f27 | 485 | LA_PRINT_TYPE (type, "", gdb_stdout, show, 0, &flags); |
c906108c SS |
486 | printf_filtered ("\n"); |
487 | ||
18a9fc12 | 488 | do_cleanups (old_chain); |
c906108c SS |
489 | } |
490 | ||
c906108c | 491 | static void |
fba45db2 | 492 | whatis_command (char *exp, int from_tty) |
c906108c SS |
493 | { |
494 | /* Most of the time users do not want to see all the fields | |
495 | in a structure. If they do they can use the "ptype" command. | |
496 | Hence the "-1" below. */ | |
497 | whatis_exp (exp, -1); | |
498 | } | |
499 | ||
c906108c SS |
500 | /* TYPENAME is either the name of a type, or an expression. */ |
501 | ||
c906108c | 502 | static void |
fe978cb0 | 503 | ptype_command (char *type_name, int from_tty) |
c906108c | 504 | { |
fe978cb0 | 505 | whatis_exp (type_name, 1); |
c906108c SS |
506 | } |
507 | ||
508 | /* Print integral scalar data VAL, of type TYPE, onto stdio stream STREAM. | |
509 | Used to print data from type structures in a specified type. For example, | |
510 | array bounds may be characters or booleans in some languages, and this | |
511 | allows the ranges to be printed in their "natural" form rather than as | |
512 | decimal integer values. | |
513 | ||
514 | FIXME: This is here simply because only the type printing routines | |
515 | currently use it, and it wasn't clear if it really belonged somewhere | |
516 | else (like printcmd.c). There are a lot of other gdb routines that do | |
517 | something similar, but they are generally concerned with printing values | |
41808ebe | 518 | that come from the inferior in target byte order and target size. */ |
c906108c SS |
519 | |
520 | void | |
fba45db2 | 521 | print_type_scalar (struct type *type, LONGEST val, struct ui_file *stream) |
c906108c SS |
522 | { |
523 | unsigned int i; | |
524 | unsigned len; | |
525 | ||
f168693b | 526 | type = check_typedef (type); |
c906108c SS |
527 | |
528 | switch (TYPE_CODE (type)) | |
529 | { | |
530 | ||
531 | case TYPE_CODE_ENUM: | |
532 | len = TYPE_NFIELDS (type); | |
533 | for (i = 0; i < len; i++) | |
534 | { | |
14e75d8e | 535 | if (TYPE_FIELD_ENUMVAL (type, i) == val) |
c906108c SS |
536 | { |
537 | break; | |
538 | } | |
539 | } | |
540 | if (i < len) | |
541 | { | |
542 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
543 | } | |
544 | else | |
545 | { | |
546 | print_longest (stream, 'd', 0, val); | |
547 | } | |
548 | break; | |
549 | ||
550 | case TYPE_CODE_INT: | |
551 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val); | |
552 | break; | |
553 | ||
554 | case TYPE_CODE_CHAR: | |
6c7a06a3 | 555 | LA_PRINT_CHAR ((unsigned char) val, type, stream); |
c906108c SS |
556 | break; |
557 | ||
558 | case TYPE_CODE_BOOL: | |
559 | fprintf_filtered (stream, val ? "TRUE" : "FALSE"); | |
560 | break; | |
561 | ||
562 | case TYPE_CODE_RANGE: | |
563 | print_type_scalar (TYPE_TARGET_TYPE (type), val, stream); | |
564 | return; | |
565 | ||
566 | case TYPE_CODE_UNDEF: | |
567 | case TYPE_CODE_PTR: | |
568 | case TYPE_CODE_ARRAY: | |
569 | case TYPE_CODE_STRUCT: | |
570 | case TYPE_CODE_UNION: | |
571 | case TYPE_CODE_FUNC: | |
572 | case TYPE_CODE_FLT: | |
573 | case TYPE_CODE_VOID: | |
574 | case TYPE_CODE_SET: | |
575 | case TYPE_CODE_STRING: | |
576 | case TYPE_CODE_ERROR: | |
0d5de010 DJ |
577 | case TYPE_CODE_MEMBERPTR: |
578 | case TYPE_CODE_METHODPTR: | |
c906108c SS |
579 | case TYPE_CODE_METHOD: |
580 | case TYPE_CODE_REF: | |
5c4e30ca | 581 | case TYPE_CODE_NAMESPACE: |
8a3fe4f8 | 582 | error (_("internal error: unhandled type in print_type_scalar")); |
c906108c SS |
583 | break; |
584 | ||
585 | default: | |
8a3fe4f8 | 586 | error (_("Invalid type code in symbol table.")); |
c906108c SS |
587 | } |
588 | gdb_flush (stream); | |
589 | } | |
590 | ||
c906108c SS |
591 | /* Dump details of a type specified either directly or indirectly. |
592 | Uses the same sort of type lookup mechanism as ptype_command() | |
41808ebe | 593 | and whatis_command(). */ |
c906108c SS |
594 | |
595 | void | |
fe978cb0 | 596 | maintenance_print_type (char *type_name, int from_tty) |
c906108c | 597 | { |
3d6d86c6 | 598 | struct value *val; |
52f0bd74 | 599 | struct type *type; |
c906108c | 600 | |
fe978cb0 | 601 | if (type_name != NULL) |
c5aa993b | 602 | { |
4d01a485 | 603 | expression_up expr = parse_expression (type_name); |
c5aa993b JM |
604 | if (expr->elts[0].opcode == OP_TYPE) |
605 | { | |
c378eb4e | 606 | /* The user expression names a type directly, just use that type. */ |
c5aa993b JM |
607 | type = expr->elts[1].type; |
608 | } | |
609 | else | |
610 | { | |
611 | /* The user expression may name a type indirectly by naming an | |
c378eb4e | 612 | object of that type. Find that indirectly named type. */ |
4d01a485 | 613 | val = evaluate_type (expr.get ()); |
df407dfe | 614 | type = value_type (val); |
c5aa993b JM |
615 | } |
616 | if (type != NULL) | |
617 | { | |
618 | recursive_dump_type (type, 0); | |
619 | } | |
c5aa993b | 620 | } |
c906108c | 621 | } |
c906108c | 622 | \f |
c5aa993b | 623 | |
53342f27 TT |
624 | struct cmd_list_element *setprinttypelist; |
625 | ||
626 | struct cmd_list_element *showprinttypelist; | |
627 | ||
628 | static void | |
629 | set_print_type (char *arg, int from_tty) | |
630 | { | |
631 | printf_unfiltered ( | |
632 | "\"set print type\" must be followed by the name of a subcommand.\n"); | |
635c7e8a | 633 | help_list (setprintlist, "set print type ", all_commands, gdb_stdout); |
53342f27 TT |
634 | } |
635 | ||
636 | static void | |
637 | show_print_type (char *args, int from_tty) | |
638 | { | |
639 | cmd_show_list (showprinttypelist, from_tty, ""); | |
640 | } | |
641 | ||
642 | static int print_methods = 1; | |
643 | ||
644 | static void | |
645 | set_print_type_methods (char *args, int from_tty, struct cmd_list_element *c) | |
646 | { | |
647 | default_ptype_flags.print_methods = print_methods; | |
648 | } | |
649 | ||
650 | static void | |
651 | show_print_type_methods (struct ui_file *file, int from_tty, | |
652 | struct cmd_list_element *c, const char *value) | |
653 | { | |
654 | fprintf_filtered (file, _("Printing of methods defined in a class in %s\n"), | |
655 | value); | |
656 | } | |
657 | ||
658 | static int print_typedefs = 1; | |
659 | ||
660 | static void | |
661 | set_print_type_typedefs (char *args, int from_tty, struct cmd_list_element *c) | |
662 | { | |
663 | default_ptype_flags.print_typedefs = print_typedefs; | |
664 | } | |
665 | ||
666 | static void | |
667 | show_print_type_typedefs (struct ui_file *file, int from_tty, | |
668 | struct cmd_list_element *c, const char *value) | |
669 | { | |
670 | fprintf_filtered (file, _("Printing of typedefs defined in a class in %s\n"), | |
671 | value); | |
672 | } | |
673 | ||
c906108c | 674 | void |
fba45db2 | 675 | _initialize_typeprint (void) |
c906108c | 676 | { |
4fc5d43e TT |
677 | struct cmd_list_element *c; |
678 | ||
679 | c = add_com ("ptype", class_vars, ptype_command, _("\ | |
1bedd215 | 680 | Print definition of type TYPE.\n\ |
a9375afe DE |
681 | Usage: ptype[/FLAGS] TYPE | EXPRESSION\n\ |
682 | Argument may be any type (for example a type name defined by typedef,\n\ | |
683 | or \"struct STRUCT-TAG\" or \"class CLASS-NAME\" or \"union UNION-TAG\"\n\ | |
684 | or \"enum ENUM-TAG\") or an expression.\n\ | |
11081198 | 685 | The selected stack frame's lexical context is used to look up the name.\n\ |
53342f27 TT |
686 | Contrary to \"whatis\", \"ptype\" always unrolls any typedefs.\n\ |
687 | \n\ | |
688 | Available FLAGS are:\n\ | |
689 | /r print in \"raw\" form; do not substitute typedefs\n\ | |
690 | /m do not print methods defined in a class\n\ | |
691 | /M print methods defined in a class\n\ | |
692 | /t do not print typedefs defined in a class\n\ | |
693 | /T print typedefs defined in a class")); | |
4fc5d43e | 694 | set_cmd_completer (c, expression_completer); |
c906108c | 695 | |
4fc5d43e TT |
696 | c = add_com ("whatis", class_vars, whatis_command, |
697 | _("Print data type of expression EXP.\n\ | |
11081198 | 698 | Only one level of typedefs is unrolled. See also \"ptype\".")); |
4fc5d43e | 699 | set_cmd_completer (c, expression_completer); |
53342f27 TT |
700 | |
701 | add_prefix_cmd ("type", no_class, show_print_type, | |
702 | _("Generic command for showing type-printing settings."), | |
703 | &showprinttypelist, "show print type ", 0, &showprintlist); | |
704 | add_prefix_cmd ("type", no_class, set_print_type, | |
705 | _("Generic command for setting how types print."), | |
706 | &setprinttypelist, "show print type ", 0, &setprintlist); | |
707 | ||
708 | add_setshow_boolean_cmd ("methods", no_class, &print_methods, | |
709 | _("\ | |
710 | Set printing of methods defined in classes."), _("\ | |
711 | Show printing of methods defined in classes."), NULL, | |
712 | set_print_type_methods, | |
713 | show_print_type_methods, | |
714 | &setprinttypelist, &showprinttypelist); | |
715 | add_setshow_boolean_cmd ("typedefs", no_class, &print_typedefs, | |
716 | _("\ | |
717 | Set printing of typedefs defined in classes."), _("\ | |
718 | Show printing of typedefs defined in classes."), NULL, | |
719 | set_print_type_typedefs, | |
720 | show_print_type_typedefs, | |
721 | &setprinttypelist, &showprinttypelist); | |
c906108c | 722 | } |
3f2f83dd KB |
723 | |
724 | /* Print <not allocated> status to stream STREAM. */ | |
725 | ||
726 | void | |
727 | val_print_not_allocated (struct ui_file *stream) | |
728 | { | |
729 | fprintf_filtered (stream, _("<not allocated>")); | |
730 | } | |
731 | ||
732 | /* Print <not associated> status to stream STREAM. */ | |
733 | ||
734 | void | |
735 | val_print_not_associated (struct ui_file *stream) | |
736 | { | |
737 | fprintf_filtered (stream, _("<not associated>")); | |
738 | } | |
739 |