]>
Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Language independent support for printing types for GDB, the GNU debugger. |
1bac305b | 2 | |
61baf725 | 3 | Copyright (C) 1986-2017 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 | |
79d43c61 TT |
40 | const struct type_print_options type_print_raw_options = |
41 | { | |
53342f27 TT |
42 | 1, /* raw */ |
43 | 1, /* print_methods */ | |
bd69fc68 | 44 | 1, /* print_typedefs */ |
18a9fc12 TT |
45 | NULL, /* local_typedefs */ |
46 | NULL, /* global_table */ | |
47 | NULL /* global_printers */ | |
79d43c61 TT |
48 | }; |
49 | ||
50 | /* The default flags for 'ptype' and 'whatis'. */ | |
51 | ||
52 | static struct type_print_options default_ptype_flags = | |
53 | { | |
53342f27 TT |
54 | 0, /* raw */ |
55 | 1, /* print_methods */ | |
bd69fc68 | 56 | 1, /* print_typedefs */ |
18a9fc12 TT |
57 | NULL, /* local_typedefs */ |
58 | NULL, /* global_table */ | |
59 | NULL /* global_printers */ | |
79d43c61 | 60 | }; |
5c6ce71d | 61 | |
53342f27 TT |
62 | \f |
63 | ||
bd69fc68 TT |
64 | /* A hash table holding typedef_field objects. This is more |
65 | complicated than an ordinary hash because it must also track the | |
66 | lifetime of some -- but not all -- of the contained objects. */ | |
67 | ||
68 | struct typedef_hash_table | |
69 | { | |
70 | /* The actual hash table. */ | |
71 | htab_t table; | |
72 | ||
73 | /* Storage for typedef_field objects that must be synthesized. */ | |
74 | struct obstack storage; | |
75 | }; | |
76 | ||
77 | /* A hash function for a typedef_field. */ | |
78 | ||
79 | static hashval_t | |
80 | hash_typedef_field (const void *p) | |
81 | { | |
19ba03f4 | 82 | const struct typedef_field *tf = (const struct typedef_field *) p; |
bd69fc68 TT |
83 | struct type *t = check_typedef (tf->type); |
84 | ||
85 | return htab_hash_string (TYPE_SAFE_NAME (t)); | |
86 | } | |
87 | ||
88 | /* An equality function for a typedef field. */ | |
89 | ||
90 | static int | |
91 | eq_typedef_field (const void *a, const void *b) | |
92 | { | |
19ba03f4 SM |
93 | const struct typedef_field *tfa = (const struct typedef_field *) a; |
94 | const struct typedef_field *tfb = (const struct typedef_field *) b; | |
bd69fc68 TT |
95 | |
96 | return types_equal (tfa->type, tfb->type); | |
97 | } | |
98 | ||
99 | /* Add typedefs from T to the hash table TABLE. */ | |
100 | ||
101 | void | |
102 | recursively_update_typedef_hash (struct typedef_hash_table *table, | |
103 | struct type *t) | |
104 | { | |
105 | int i; | |
106 | ||
107 | if (table == NULL) | |
108 | return; | |
109 | ||
110 | for (i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (t); ++i) | |
111 | { | |
112 | struct typedef_field *tdef = &TYPE_TYPEDEF_FIELD (t, i); | |
113 | void **slot; | |
114 | ||
115 | slot = htab_find_slot (table->table, tdef, INSERT); | |
116 | /* Only add a given typedef name once. Really this shouldn't | |
117 | happen; but it is safe enough to do the updates breadth-first | |
118 | and thus use the most specific typedef. */ | |
119 | if (*slot == NULL) | |
120 | *slot = tdef; | |
121 | } | |
122 | ||
123 | /* Recurse into superclasses. */ | |
124 | for (i = 0; i < TYPE_N_BASECLASSES (t); ++i) | |
125 | recursively_update_typedef_hash (table, TYPE_BASECLASS (t, i)); | |
126 | } | |
127 | ||
128 | /* Add template parameters from T to the typedef hash TABLE. */ | |
129 | ||
130 | void | |
131 | add_template_parameters (struct typedef_hash_table *table, struct type *t) | |
132 | { | |
133 | int i; | |
134 | ||
135 | if (table == NULL) | |
136 | return; | |
137 | ||
138 | for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (t); ++i) | |
139 | { | |
140 | struct typedef_field *tf; | |
141 | void **slot; | |
142 | ||
143 | /* We only want type-valued template parameters in the hash. */ | |
144 | if (SYMBOL_CLASS (TYPE_TEMPLATE_ARGUMENT (t, i)) != LOC_TYPEDEF) | |
145 | continue; | |
146 | ||
147 | tf = XOBNEW (&table->storage, struct typedef_field); | |
148 | tf->name = SYMBOL_LINKAGE_NAME (TYPE_TEMPLATE_ARGUMENT (t, i)); | |
149 | tf->type = SYMBOL_TYPE (TYPE_TEMPLATE_ARGUMENT (t, i)); | |
150 | ||
151 | slot = htab_find_slot (table->table, tf, INSERT); | |
152 | if (*slot == NULL) | |
153 | *slot = tf; | |
154 | } | |
155 | } | |
156 | ||
157 | /* Create a new typedef-lookup hash table. */ | |
158 | ||
159 | struct typedef_hash_table * | |
160 | create_typedef_hash (void) | |
161 | { | |
162 | struct typedef_hash_table *result; | |
163 | ||
164 | result = XNEW (struct typedef_hash_table); | |
165 | result->table = htab_create_alloc (10, hash_typedef_field, eq_typedef_field, | |
166 | NULL, xcalloc, xfree); | |
167 | obstack_init (&result->storage); | |
168 | ||
169 | return result; | |
170 | } | |
171 | ||
172 | /* Free a typedef field table. */ | |
173 | ||
174 | void | |
175 | free_typedef_hash (struct typedef_hash_table *table) | |
176 | { | |
177 | if (table != NULL) | |
178 | { | |
179 | htab_delete (table->table); | |
180 | obstack_free (&table->storage, NULL); | |
181 | xfree (table); | |
182 | } | |
183 | } | |
184 | ||
185 | /* A cleanup for freeing a typedef_hash_table. */ | |
186 | ||
187 | static void | |
188 | do_free_typedef_hash (void *arg) | |
189 | { | |
19ba03f4 | 190 | free_typedef_hash ((struct typedef_hash_table *) arg); |
bd69fc68 TT |
191 | } |
192 | ||
193 | /* Return a new cleanup that frees TABLE. */ | |
194 | ||
195 | struct cleanup * | |
196 | make_cleanup_free_typedef_hash (struct typedef_hash_table *table) | |
197 | { | |
198 | return make_cleanup (do_free_typedef_hash, table); | |
199 | } | |
200 | ||
201 | /* Helper function for copy_typedef_hash. */ | |
202 | ||
203 | static int | |
204 | copy_typedef_hash_element (void **slot, void *nt) | |
205 | { | |
19ba03f4 | 206 | htab_t new_table = (htab_t) nt; |
bd69fc68 TT |
207 | void **new_slot; |
208 | ||
209 | new_slot = htab_find_slot (new_table, *slot, INSERT); | |
210 | if (*new_slot == NULL) | |
211 | *new_slot = *slot; | |
212 | ||
213 | return 1; | |
214 | } | |
215 | ||
216 | /* Copy a typedef hash. */ | |
217 | ||
218 | struct typedef_hash_table * | |
219 | copy_typedef_hash (struct typedef_hash_table *table) | |
220 | { | |
221 | struct typedef_hash_table *result; | |
222 | ||
223 | if (table == NULL) | |
224 | return NULL; | |
225 | ||
226 | result = create_typedef_hash (); | |
227 | htab_traverse_noresize (table->table, copy_typedef_hash_element, | |
228 | result->table); | |
229 | return result; | |
230 | } | |
231 | ||
18a9fc12 TT |
232 | /* A cleanup to free the global typedef hash. */ |
233 | ||
234 | static void | |
235 | do_free_global_table (void *arg) | |
236 | { | |
19ba03f4 | 237 | struct type_print_options *flags = (struct type_print_options *) arg; |
18a9fc12 TT |
238 | |
239 | free_typedef_hash (flags->global_typedefs); | |
6dddc817 | 240 | free_ext_lang_type_printers (flags->global_printers); |
18a9fc12 TT |
241 | } |
242 | ||
243 | /* Create the global typedef hash. */ | |
244 | ||
245 | static struct cleanup * | |
246 | create_global_typedef_table (struct type_print_options *flags) | |
247 | { | |
248 | gdb_assert (flags->global_typedefs == NULL && flags->global_printers == NULL); | |
249 | flags->global_typedefs = create_typedef_hash (); | |
6dddc817 | 250 | flags->global_printers = start_ext_lang_type_printers (); |
18a9fc12 TT |
251 | return make_cleanup (do_free_global_table, flags); |
252 | } | |
253 | ||
254 | /* Look up the type T in the global typedef hash. If it is found, | |
255 | return the typedef name. If it is not found, apply the | |
6dddc817 | 256 | type-printers, if any, given by start_script_type_printers and return the |
18a9fc12 TT |
257 | result. A NULL return means that the name was not found. */ |
258 | ||
259 | static const char * | |
260 | find_global_typedef (const struct type_print_options *flags, | |
261 | struct type *t) | |
262 | { | |
263 | char *applied; | |
264 | void **slot; | |
265 | struct typedef_field tf, *new_tf; | |
266 | ||
267 | if (flags->global_typedefs == NULL) | |
268 | return NULL; | |
269 | ||
270 | tf.name = NULL; | |
271 | tf.type = t; | |
272 | ||
273 | slot = htab_find_slot (flags->global_typedefs->table, &tf, INSERT); | |
274 | if (*slot != NULL) | |
275 | { | |
19ba03f4 | 276 | new_tf = (struct typedef_field *) *slot; |
18a9fc12 TT |
277 | return new_tf->name; |
278 | } | |
279 | ||
9b94fcf1 DE |
280 | /* Put an entry into the hash table now, in case |
281 | apply_ext_lang_type_printers recurses. */ | |
18a9fc12 TT |
282 | new_tf = XOBNEW (&flags->global_typedefs->storage, struct typedef_field); |
283 | new_tf->name = NULL; | |
284 | new_tf->type = t; | |
285 | ||
286 | *slot = new_tf; | |
287 | ||
6dddc817 | 288 | applied = apply_ext_lang_type_printers (flags->global_printers, t); |
18a9fc12 TT |
289 | |
290 | if (applied != NULL) | |
291 | { | |
224c3ddb SM |
292 | new_tf->name |
293 | = (const char *) obstack_copy0 (&flags->global_typedefs->storage, | |
294 | applied, strlen (applied)); | |
18a9fc12 TT |
295 | xfree (applied); |
296 | } | |
297 | ||
298 | return new_tf->name; | |
299 | } | |
300 | ||
bd69fc68 TT |
301 | /* Look up the type T in the typedef hash table in with FLAGS. If T |
302 | is in the table, return its short (class-relative) typedef name. | |
303 | Otherwise return NULL. If the table is NULL, this always returns | |
304 | NULL. */ | |
305 | ||
306 | const char * | |
307 | find_typedef_in_hash (const struct type_print_options *flags, struct type *t) | |
308 | { | |
18a9fc12 TT |
309 | if (flags->local_typedefs != NULL) |
310 | { | |
311 | struct typedef_field tf, *found; | |
bd69fc68 | 312 | |
18a9fc12 TT |
313 | tf.name = NULL; |
314 | tf.type = t; | |
19ba03f4 SM |
315 | found = (struct typedef_field *) htab_find (flags->local_typedefs->table, |
316 | &tf); | |
bd69fc68 | 317 | |
18a9fc12 TT |
318 | if (found != NULL) |
319 | return found->name; | |
320 | } | |
bd69fc68 | 321 | |
18a9fc12 | 322 | return find_global_typedef (flags, t); |
bd69fc68 TT |
323 | } |
324 | ||
325 | \f | |
326 | ||
a5238fbc PM |
327 | /* Print a description of a type in the format of a |
328 | typedef for the current language. | |
c378eb4e | 329 | NEW is the new name for a type TYPE. */ |
a5238fbc PM |
330 | |
331 | void | |
fe978cb0 | 332 | typedef_print (struct type *type, struct symbol *newobj, struct ui_file *stream) |
a5238fbc | 333 | { |
fe978cb0 | 334 | LA_PRINT_TYPEDEF (type, newobj, stream); |
5c6ce71d TT |
335 | } |
336 | ||
337 | /* The default way to print a typedef. */ | |
338 | ||
339 | void | |
340 | default_print_typedef (struct type *type, struct symbol *new_symbol, | |
341 | struct ui_file *stream) | |
342 | { | |
343 | error (_("Language not supported.")); | |
a5238fbc PM |
344 | } |
345 | ||
c906108c SS |
346 | /* Print a description of a type TYPE in the form of a declaration of a |
347 | variable named VARSTRING. (VARSTRING is demangled if necessary.) | |
348 | Output goes to STREAM (via stdio). | |
349 | If SHOW is positive, we show the contents of the outermost level | |
350 | of structure even if there is a type name that could be used instead. | |
351 | If SHOW is negative, we never show the details of elements' types. */ | |
352 | ||
353 | void | |
0d5cff50 | 354 | type_print (struct type *type, const char *varstring, struct ui_file *stream, |
fba45db2 | 355 | int show) |
c906108c | 356 | { |
79d43c61 | 357 | LA_PRINT_TYPE (type, varstring, stream, show, 0, &default_ptype_flags); |
c906108c SS |
358 | } |
359 | ||
ae6a3a4c TJB |
360 | /* Print TYPE to a string, returning it. The caller is responsible for |
361 | freeing the string. */ | |
362 | ||
2f408ecb | 363 | std::string |
ae6a3a4c TJB |
364 | type_to_string (struct type *type) |
365 | { | |
492d29ea | 366 | TRY |
ae6a3a4c | 367 | { |
d7e74731 PA |
368 | string_file stb; |
369 | ||
370 | type_print (type, "", &stb, -1); | |
371 | return std::move (stb.string ()); | |
ae6a3a4c | 372 | } |
492d29ea PA |
373 | CATCH (except, RETURN_MASK_ALL) |
374 | { | |
492d29ea PA |
375 | } |
376 | END_CATCH | |
ae6a3a4c | 377 | |
d7e74731 | 378 | return {}; |
ae6a3a4c TJB |
379 | } |
380 | ||
7022349d PA |
381 | /* See typeprint.h. */ |
382 | ||
383 | void | |
384 | type_print_unknown_return_type (struct ui_file *stream) | |
385 | { | |
386 | fprintf_filtered (stream, _("<unknown return type>")); | |
387 | } | |
388 | ||
46a4882b PA |
389 | /* See typeprint.h. */ |
390 | ||
391 | void | |
392 | error_unknown_type (const char *sym_print_name) | |
393 | { | |
394 | error (_("'%s' has unknown type; cast it to its declared type"), | |
395 | sym_print_name); | |
396 | } | |
397 | ||
c906108c SS |
398 | /* Print type of EXP, or last thing in value history if EXP == NULL. |
399 | show is passed to type_print. */ | |
400 | ||
401 | static void | |
0b39b52e | 402 | whatis_exp (const char *exp, int show) |
c906108c | 403 | { |
3d6d86c6 | 404 | struct value *val; |
18a9fc12 | 405 | struct cleanup *old_chain; |
c5aa993b | 406 | struct type *real_type = NULL; |
070ad9f0 | 407 | struct type *type; |
c906108c | 408 | int full = 0; |
6b850546 | 409 | LONGEST top = -1; |
c906108c | 410 | int using_enc = 0; |
79a45b7d | 411 | struct value_print_options opts; |
53342f27 | 412 | struct type_print_options flags = default_ptype_flags; |
c906108c | 413 | |
18a9fc12 TT |
414 | old_chain = make_cleanup (null_cleanup, NULL); |
415 | ||
c906108c SS |
416 | if (exp) |
417 | { | |
53342f27 TT |
418 | if (*exp == '/') |
419 | { | |
420 | int seen_one = 0; | |
421 | ||
422 | for (++exp; *exp && !isspace (*exp); ++exp) | |
423 | { | |
424 | switch (*exp) | |
425 | { | |
426 | case 'r': | |
427 | flags.raw = 1; | |
428 | break; | |
429 | case 'm': | |
430 | flags.print_methods = 0; | |
431 | break; | |
432 | case 'M': | |
433 | flags.print_methods = 1; | |
434 | break; | |
435 | case 't': | |
436 | flags.print_typedefs = 0; | |
437 | break; | |
438 | case 'T': | |
439 | flags.print_typedefs = 1; | |
440 | break; | |
441 | default: | |
442 | error (_("unrecognized flag '%c'"), *exp); | |
443 | } | |
444 | seen_one = 1; | |
445 | } | |
446 | ||
447 | if (!*exp && !seen_one) | |
448 | error (_("flag expected")); | |
449 | if (!isspace (*exp)) | |
450 | error (_("expected space after format")); | |
451 | exp = skip_spaces (exp); | |
452 | } | |
453 | ||
4d01a485 | 454 | expression_up expr = parse_expression (exp); |
c973d0aa PA |
455 | |
456 | /* The behavior of "whatis" depends on whether the user | |
457 | expression names a type directly, or a language expression | |
458 | (including variable names). If the former, then "whatis" | |
459 | strips one level of typedefs, only. If an expression, | |
460 | "whatis" prints the type of the expression without stripping | |
461 | any typedef level. "ptype" always strips all levels of | |
462 | typedefs. */ | |
463 | if (show == -1 && expr->elts[0].opcode == OP_TYPE) | |
464 | { | |
465 | /* The user expression names a type directly. */ | |
466 | type = expr->elts[1].type; | |
467 | ||
468 | /* If this is a typedef, then find its immediate target. | |
469 | Use check_typedef to resolve stubs, but ignore its result | |
470 | because we do not want to dig past all typedefs. */ | |
471 | check_typedef (type); | |
472 | if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) | |
473 | type = TYPE_TARGET_TYPE (type); | |
474 | } | |
475 | else | |
476 | { | |
477 | /* The user expression names a type indirectly by naming an | |
478 | object or expression of that type. Find that | |
479 | indirectly-named type. */ | |
480 | val = evaluate_type (expr.get ()); | |
481 | type = value_type (val); | |
482 | } | |
c906108c SS |
483 | } |
484 | else | |
c973d0aa PA |
485 | { |
486 | val = access_value_history (0); | |
487 | type = value_type (val); | |
488 | } | |
070ad9f0 | 489 | |
79a45b7d TT |
490 | get_user_print_options (&opts); |
491 | if (opts.objectprint) | |
070ad9f0 | 492 | { |
aa006118 | 493 | if (((TYPE_CODE (type) == TYPE_CODE_PTR) || TYPE_IS_REFERENCE (type)) |
4753d33b | 494 | && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT)) |
dfcee124 | 495 | real_type = value_rtti_indirect_type (val, &full, &top, &using_enc); |
4753d33b | 496 | else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) |
41808ebe | 497 | real_type = value_rtti_type (val, &full, &top, &using_enc); |
070ad9f0 | 498 | } |
c906108c SS |
499 | |
500 | printf_filtered ("type = "); | |
501 | ||
18a9fc12 TT |
502 | if (!flags.raw) |
503 | create_global_typedef_table (&flags); | |
504 | ||
070ad9f0 DB |
505 | if (real_type) |
506 | { | |
507 | printf_filtered ("/* real type = "); | |
508 | type_print (real_type, "", gdb_stdout, -1); | |
509 | if (! full) | |
510 | printf_filtered (" (incomplete object)"); | |
511 | printf_filtered (" */\n"); | |
512 | } | |
c906108c | 513 | |
53342f27 | 514 | LA_PRINT_TYPE (type, "", gdb_stdout, show, 0, &flags); |
c906108c SS |
515 | printf_filtered ("\n"); |
516 | ||
18a9fc12 | 517 | do_cleanups (old_chain); |
c906108c SS |
518 | } |
519 | ||
c906108c | 520 | static void |
0b39b52e | 521 | whatis_command (const char *exp, int from_tty) |
c906108c SS |
522 | { |
523 | /* Most of the time users do not want to see all the fields | |
524 | in a structure. If they do they can use the "ptype" command. | |
525 | Hence the "-1" below. */ | |
526 | whatis_exp (exp, -1); | |
527 | } | |
528 | ||
c906108c SS |
529 | /* TYPENAME is either the name of a type, or an expression. */ |
530 | ||
c906108c | 531 | static void |
0b39b52e | 532 | ptype_command (const char *type_name, int from_tty) |
c906108c | 533 | { |
fe978cb0 | 534 | whatis_exp (type_name, 1); |
c906108c SS |
535 | } |
536 | ||
537 | /* Print integral scalar data VAL, of type TYPE, onto stdio stream STREAM. | |
538 | Used to print data from type structures in a specified type. For example, | |
539 | array bounds may be characters or booleans in some languages, and this | |
540 | allows the ranges to be printed in their "natural" form rather than as | |
541 | decimal integer values. | |
542 | ||
543 | FIXME: This is here simply because only the type printing routines | |
544 | currently use it, and it wasn't clear if it really belonged somewhere | |
545 | else (like printcmd.c). There are a lot of other gdb routines that do | |
546 | something similar, but they are generally concerned with printing values | |
41808ebe | 547 | that come from the inferior in target byte order and target size. */ |
c906108c SS |
548 | |
549 | void | |
fba45db2 | 550 | print_type_scalar (struct type *type, LONGEST val, struct ui_file *stream) |
c906108c SS |
551 | { |
552 | unsigned int i; | |
553 | unsigned len; | |
554 | ||
f168693b | 555 | type = check_typedef (type); |
c906108c SS |
556 | |
557 | switch (TYPE_CODE (type)) | |
558 | { | |
559 | ||
560 | case TYPE_CODE_ENUM: | |
561 | len = TYPE_NFIELDS (type); | |
562 | for (i = 0; i < len; i++) | |
563 | { | |
14e75d8e | 564 | if (TYPE_FIELD_ENUMVAL (type, i) == val) |
c906108c SS |
565 | { |
566 | break; | |
567 | } | |
568 | } | |
569 | if (i < len) | |
570 | { | |
571 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
572 | } | |
573 | else | |
574 | { | |
575 | print_longest (stream, 'd', 0, val); | |
576 | } | |
577 | break; | |
578 | ||
579 | case TYPE_CODE_INT: | |
580 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val); | |
581 | break; | |
582 | ||
583 | case TYPE_CODE_CHAR: | |
6c7a06a3 | 584 | LA_PRINT_CHAR ((unsigned char) val, type, stream); |
c906108c SS |
585 | break; |
586 | ||
587 | case TYPE_CODE_BOOL: | |
588 | fprintf_filtered (stream, val ? "TRUE" : "FALSE"); | |
589 | break; | |
590 | ||
591 | case TYPE_CODE_RANGE: | |
592 | print_type_scalar (TYPE_TARGET_TYPE (type), val, stream); | |
593 | return; | |
594 | ||
595 | case TYPE_CODE_UNDEF: | |
596 | case TYPE_CODE_PTR: | |
597 | case TYPE_CODE_ARRAY: | |
598 | case TYPE_CODE_STRUCT: | |
599 | case TYPE_CODE_UNION: | |
600 | case TYPE_CODE_FUNC: | |
601 | case TYPE_CODE_FLT: | |
602 | case TYPE_CODE_VOID: | |
603 | case TYPE_CODE_SET: | |
604 | case TYPE_CODE_STRING: | |
605 | case TYPE_CODE_ERROR: | |
0d5de010 DJ |
606 | case TYPE_CODE_MEMBERPTR: |
607 | case TYPE_CODE_METHODPTR: | |
c906108c SS |
608 | case TYPE_CODE_METHOD: |
609 | case TYPE_CODE_REF: | |
aa006118 | 610 | case TYPE_CODE_RVALUE_REF: |
5c4e30ca | 611 | case TYPE_CODE_NAMESPACE: |
8a3fe4f8 | 612 | error (_("internal error: unhandled type in print_type_scalar")); |
c906108c SS |
613 | break; |
614 | ||
615 | default: | |
8a3fe4f8 | 616 | error (_("Invalid type code in symbol table.")); |
c906108c SS |
617 | } |
618 | gdb_flush (stream); | |
619 | } | |
620 | ||
c906108c SS |
621 | /* Dump details of a type specified either directly or indirectly. |
622 | Uses the same sort of type lookup mechanism as ptype_command() | |
41808ebe | 623 | and whatis_command(). */ |
c906108c SS |
624 | |
625 | void | |
58971144 | 626 | maintenance_print_type (const char *type_name, int from_tty) |
c906108c | 627 | { |
3d6d86c6 | 628 | struct value *val; |
52f0bd74 | 629 | struct type *type; |
c906108c | 630 | |
fe978cb0 | 631 | if (type_name != NULL) |
c5aa993b | 632 | { |
4d01a485 | 633 | expression_up expr = parse_expression (type_name); |
c5aa993b JM |
634 | if (expr->elts[0].opcode == OP_TYPE) |
635 | { | |
c378eb4e | 636 | /* The user expression names a type directly, just use that type. */ |
c5aa993b JM |
637 | type = expr->elts[1].type; |
638 | } | |
639 | else | |
640 | { | |
641 | /* The user expression may name a type indirectly by naming an | |
c378eb4e | 642 | object of that type. Find that indirectly named type. */ |
4d01a485 | 643 | val = evaluate_type (expr.get ()); |
df407dfe | 644 | type = value_type (val); |
c5aa993b JM |
645 | } |
646 | if (type != NULL) | |
647 | { | |
648 | recursive_dump_type (type, 0); | |
649 | } | |
c5aa993b | 650 | } |
c906108c | 651 | } |
c906108c | 652 | \f |
c5aa993b | 653 | |
53342f27 TT |
654 | struct cmd_list_element *setprinttypelist; |
655 | ||
656 | struct cmd_list_element *showprinttypelist; | |
657 | ||
658 | static void | |
981a3fb3 | 659 | set_print_type (const char *arg, int from_tty) |
53342f27 TT |
660 | { |
661 | printf_unfiltered ( | |
662 | "\"set print type\" must be followed by the name of a subcommand.\n"); | |
635c7e8a | 663 | help_list (setprintlist, "set print type ", all_commands, gdb_stdout); |
53342f27 TT |
664 | } |
665 | ||
666 | static void | |
981a3fb3 | 667 | show_print_type (const char *args, int from_tty) |
53342f27 TT |
668 | { |
669 | cmd_show_list (showprinttypelist, from_tty, ""); | |
670 | } | |
671 | ||
672 | static int print_methods = 1; | |
673 | ||
674 | static void | |
eb4c3f4a TT |
675 | set_print_type_methods (const char *args, |
676 | int from_tty, struct cmd_list_element *c) | |
53342f27 TT |
677 | { |
678 | default_ptype_flags.print_methods = print_methods; | |
679 | } | |
680 | ||
681 | static void | |
682 | show_print_type_methods (struct ui_file *file, int from_tty, | |
683 | struct cmd_list_element *c, const char *value) | |
684 | { | |
685 | fprintf_filtered (file, _("Printing of methods defined in a class in %s\n"), | |
686 | value); | |
687 | } | |
688 | ||
689 | static int print_typedefs = 1; | |
690 | ||
691 | static void | |
eb4c3f4a TT |
692 | set_print_type_typedefs (const char *args, |
693 | int from_tty, struct cmd_list_element *c) | |
53342f27 TT |
694 | { |
695 | default_ptype_flags.print_typedefs = print_typedefs; | |
696 | } | |
697 | ||
698 | static void | |
699 | show_print_type_typedefs (struct ui_file *file, int from_tty, | |
700 | struct cmd_list_element *c, const char *value) | |
701 | { | |
702 | fprintf_filtered (file, _("Printing of typedefs defined in a class in %s\n"), | |
703 | value); | |
704 | } | |
705 | ||
c906108c | 706 | void |
fba45db2 | 707 | _initialize_typeprint (void) |
c906108c | 708 | { |
4fc5d43e TT |
709 | struct cmd_list_element *c; |
710 | ||
711 | c = add_com ("ptype", class_vars, ptype_command, _("\ | |
1bedd215 | 712 | Print definition of type TYPE.\n\ |
a9375afe DE |
713 | Usage: ptype[/FLAGS] TYPE | EXPRESSION\n\ |
714 | Argument may be any type (for example a type name defined by typedef,\n\ | |
715 | or \"struct STRUCT-TAG\" or \"class CLASS-NAME\" or \"union UNION-TAG\"\n\ | |
716 | or \"enum ENUM-TAG\") or an expression.\n\ | |
11081198 | 717 | The selected stack frame's lexical context is used to look up the name.\n\ |
53342f27 TT |
718 | Contrary to \"whatis\", \"ptype\" always unrolls any typedefs.\n\ |
719 | \n\ | |
720 | Available FLAGS are:\n\ | |
721 | /r print in \"raw\" form; do not substitute typedefs\n\ | |
722 | /m do not print methods defined in a class\n\ | |
723 | /M print methods defined in a class\n\ | |
724 | /t do not print typedefs defined in a class\n\ | |
725 | /T print typedefs defined in a class")); | |
4fc5d43e | 726 | set_cmd_completer (c, expression_completer); |
c906108c | 727 | |
4fc5d43e TT |
728 | c = add_com ("whatis", class_vars, whatis_command, |
729 | _("Print data type of expression EXP.\n\ | |
11081198 | 730 | Only one level of typedefs is unrolled. See also \"ptype\".")); |
4fc5d43e | 731 | set_cmd_completer (c, expression_completer); |
53342f27 TT |
732 | |
733 | add_prefix_cmd ("type", no_class, show_print_type, | |
734 | _("Generic command for showing type-printing settings."), | |
735 | &showprinttypelist, "show print type ", 0, &showprintlist); | |
736 | add_prefix_cmd ("type", no_class, set_print_type, | |
737 | _("Generic command for setting how types print."), | |
738 | &setprinttypelist, "show print type ", 0, &setprintlist); | |
739 | ||
740 | add_setshow_boolean_cmd ("methods", no_class, &print_methods, | |
741 | _("\ | |
742 | Set printing of methods defined in classes."), _("\ | |
743 | Show printing of methods defined in classes."), NULL, | |
744 | set_print_type_methods, | |
745 | show_print_type_methods, | |
746 | &setprinttypelist, &showprinttypelist); | |
747 | add_setshow_boolean_cmd ("typedefs", no_class, &print_typedefs, | |
748 | _("\ | |
749 | Set printing of typedefs defined in classes."), _("\ | |
750 | Show printing of typedefs defined in classes."), NULL, | |
751 | set_print_type_typedefs, | |
752 | show_print_type_typedefs, | |
753 | &setprinttypelist, &showprinttypelist); | |
c906108c | 754 | } |
3f2f83dd KB |
755 | |
756 | /* Print <not allocated> status to stream STREAM. */ | |
757 | ||
758 | void | |
759 | val_print_not_allocated (struct ui_file *stream) | |
760 | { | |
761 | fprintf_filtered (stream, _("<not allocated>")); | |
762 | } | |
763 | ||
764 | /* Print <not associated> status to stream STREAM. */ | |
765 | ||
766 | void | |
767 | val_print_not_associated (struct ui_file *stream) | |
768 | { | |
769 | fprintf_filtered (stream, _("<not associated>")); | |
770 | } |