1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
|
/* Language independent support for printing types for GDB, the GNU debugger.
Copyright (C) 1986-2020 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdb_obstack.h"
#include "bfd.h" /* Binary File Description */
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "value.h"
#include "gdbcore.h"
#include "command.h"
#include "gdbcmd.h"
#include "target.h"
#include "language.h"
#include "cp-abi.h"
#include "typeprint.h"
#include "valprint.h"
#include <ctype.h>
#include "cli/cli-utils.h"
#include "extension.h"
#include "completer.h"
#include "cli/cli-style.h"
const struct type_print_options type_print_raw_options =
{
1, /* raw */
1, /* print_methods */
1, /* print_typedefs */
0, /* print_offsets */
0, /* print_nested_type_limit */
NULL, /* local_typedefs */
NULL, /* global_table */
NULL /* global_printers */
};
/* The default flags for 'ptype' and 'whatis'. */
static struct type_print_options default_ptype_flags =
{
0, /* raw */
1, /* print_methods */
1, /* print_typedefs */
0, /* print_offsets */
0, /* print_nested_type_limit */
NULL, /* local_typedefs */
NULL, /* global_table */
NULL /* global_printers */
};
/* See typeprint.h. */
const int print_offset_data::indentation = 23;
/* See typeprint.h. */
void
print_offset_data::maybe_print_hole (struct ui_file *stream,
unsigned int bitpos,
const char *for_what)
{
/* We check for END_BITPOS > 0 because there is a specific
scenario when END_BITPOS can be zero and BITPOS can be >
0: when we are dealing with a struct/class with a virtual method.
Because of the vtable, the first field of the struct/class will
have an offset of sizeof (void *) (the size of the vtable). If
we do not check for END_BITPOS > 0 here, GDB will report
a hole before the first field, which is not accurate. */
if (end_bitpos > 0 && end_bitpos < bitpos)
{
/* If END_BITPOS is smaller than the current type's
bitpos, it means there's a hole in the struct, so we report
it here. */
unsigned int hole = bitpos - end_bitpos;
unsigned int hole_byte = hole / TARGET_CHAR_BIT;
unsigned int hole_bit = hole % TARGET_CHAR_BIT;
if (hole_bit > 0)
fprintf_filtered (stream, "/* XXX %2u-bit %s */\n", hole_bit,
for_what);
if (hole_byte > 0)
fprintf_filtered (stream, "/* XXX %2u-byte %s */\n", hole_byte,
for_what);
}
}
/* See typeprint.h. */
void
print_offset_data::update (struct type *type, unsigned int field_idx,
struct ui_file *stream)
{
if (field_is_static (&TYPE_FIELD (type, field_idx)))
{
print_spaces_filtered (indentation, stream);
return;
}
struct type *ftype = check_typedef (TYPE_FIELD_TYPE (type, field_idx));
if (TYPE_CODE (type) == TYPE_CODE_UNION)
{
/* Since union fields don't have the concept of offsets, we just
print their sizes. */
fprintf_filtered (stream, "/* %4s */",
pulongest (TYPE_LENGTH (ftype)));
return;
}
unsigned int bitpos = TYPE_FIELD_BITPOS (type, field_idx);
unsigned int fieldsize_byte = TYPE_LENGTH (ftype);
unsigned int fieldsize_bit = fieldsize_byte * TARGET_CHAR_BIT;
maybe_print_hole (stream, bitpos, "hole");
if (TYPE_FIELD_PACKED (type, field_idx)
|| offset_bitpos % TARGET_CHAR_BIT != 0)
{
/* We're dealing with a bitfield. Print the bit offset. */
fieldsize_bit = TYPE_FIELD_BITSIZE (type, field_idx);
unsigned real_bitpos = bitpos + offset_bitpos;
fprintf_filtered (stream, "/* %4u:%2u", real_bitpos / TARGET_CHAR_BIT,
real_bitpos % TARGET_CHAR_BIT);
}
else
{
/* The position of the field, relative to the beginning of the
struct. */
fprintf_filtered (stream, "/* %4u",
(bitpos + offset_bitpos) / TARGET_CHAR_BIT);
fprintf_filtered (stream, " ");
}
fprintf_filtered (stream, " | %4u */", fieldsize_byte);
end_bitpos = bitpos + fieldsize_bit;
}
/* See typeprint.h. */
void
print_offset_data::finish (struct type *type, int level,
struct ui_file *stream)
{
unsigned int bitpos = TYPE_LENGTH (type) * TARGET_CHAR_BIT;
maybe_print_hole (stream, bitpos, "padding");
fputs_filtered ("\n", stream);
print_spaces_filtered (level + 4 + print_offset_data::indentation, stream);
fprintf_filtered (stream, "/* total size (bytes): %4s */\n",
pulongest (TYPE_LENGTH (type)));
}
/* A hash function for a typedef_field. */
static hashval_t
hash_typedef_field (const void *p)
{
const struct decl_field *tf = (const struct decl_field *) p;
struct type *t = check_typedef (tf->type);
return htab_hash_string (TYPE_SAFE_NAME (t));
}
/* An equality function for a typedef field. */
static int
eq_typedef_field (const void *a, const void *b)
{
const struct decl_field *tfa = (const struct decl_field *) a;
const struct decl_field *tfb = (const struct decl_field *) b;
return types_equal (tfa->type, tfb->type);
}
/* See typeprint.h. */
void
typedef_hash_table::recursively_update (struct type *t)
{
int i;
for (i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (t); ++i)
{
struct decl_field *tdef = &TYPE_TYPEDEF_FIELD (t, i);
void **slot;
slot = htab_find_slot (m_table, tdef, INSERT);
/* Only add a given typedef name once. Really this shouldn't
happen; but it is safe enough to do the updates breadth-first
and thus use the most specific typedef. */
if (*slot == NULL)
*slot = tdef;
}
/* Recurse into superclasses. */
for (i = 0; i < TYPE_N_BASECLASSES (t); ++i)
recursively_update (TYPE_BASECLASS (t, i));
}
/* See typeprint.h. */
void
typedef_hash_table::add_template_parameters (struct type *t)
{
int i;
for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (t); ++i)
{
struct decl_field *tf;
void **slot;
/* We only want type-valued template parameters in the hash. */
if (SYMBOL_CLASS (TYPE_TEMPLATE_ARGUMENT (t, i)) != LOC_TYPEDEF)
continue;
tf = XOBNEW (&m_storage, struct decl_field);
tf->name = TYPE_TEMPLATE_ARGUMENT (t, i)->linkage_name ();
tf->type = SYMBOL_TYPE (TYPE_TEMPLATE_ARGUMENT (t, i));
slot = htab_find_slot (m_table, tf, INSERT);
if (*slot == NULL)
*slot = tf;
}
}
/* See typeprint.h. */
typedef_hash_table::typedef_hash_table ()
{
m_table = htab_create_alloc (10, hash_typedef_field, eq_typedef_field,
NULL, xcalloc, xfree);
}
/* Free a typedef field table. */
typedef_hash_table::~typedef_hash_table ()
{
htab_delete (m_table);
}
/* Helper function for typedef_hash_table::copy. */
static int
copy_typedef_hash_element (void **slot, void *nt)
{
htab_t new_table = (htab_t) nt;
void **new_slot;
new_slot = htab_find_slot (new_table, *slot, INSERT);
if (*new_slot == NULL)
*new_slot = *slot;
return 1;
}
/* See typeprint.h. */
typedef_hash_table::typedef_hash_table (const typedef_hash_table &table)
{
m_table = htab_create_alloc (10, hash_typedef_field, eq_typedef_field,
NULL, xcalloc, xfree);
htab_traverse_noresize (table.m_table, copy_typedef_hash_element,
m_table);
}
/* Look up the type T in the global typedef hash. If it is found,
return the typedef name. If it is not found, apply the
type-printers, if any, given by start_script_type_printers and return the
result. A NULL return means that the name was not found. */
const char *
typedef_hash_table::find_global_typedef (const struct type_print_options *flags,
struct type *t)
{
char *applied;
void **slot;
struct decl_field tf, *new_tf;
if (flags->global_typedefs == NULL)
return NULL;
tf.name = NULL;
tf.type = t;
slot = htab_find_slot (flags->global_typedefs->m_table, &tf, INSERT);
if (*slot != NULL)
{
new_tf = (struct decl_field *) *slot;
return new_tf->name;
}
/* Put an entry into the hash table now, in case
apply_ext_lang_type_printers recurses. */
new_tf = XOBNEW (&flags->global_typedefs->m_storage, struct decl_field);
new_tf->name = NULL;
new_tf->type = t;
*slot = new_tf;
applied = apply_ext_lang_type_printers (flags->global_printers, t);
if (applied != NULL)
{
new_tf->name = obstack_strdup (&flags->global_typedefs->m_storage,
applied);
xfree (applied);
}
return new_tf->name;
}
/* See typeprint.h. */
const char *
typedef_hash_table::find_typedef (const struct type_print_options *flags,
struct type *t)
{
if (flags->local_typedefs != NULL)
{
struct decl_field tf, *found;
tf.name = NULL;
tf.type = t;
found = (struct decl_field *) htab_find (flags->local_typedefs->m_table,
&tf);
if (found != NULL)
return found->name;
}
return find_global_typedef (flags, t);
}
/* Print a description of a type in the format of a
typedef for the current language.
NEW is the new name for a type TYPE. */
void
typedef_print (struct type *type, struct symbol *newobj, struct ui_file *stream)
{
LA_PRINT_TYPEDEF (type, newobj, stream);
}
/* The default way to print a typedef. */
void
default_print_typedef (struct type *type, struct symbol *new_symbol,
struct ui_file *stream)
{
error (_("Language not supported."));
}
/* Print a description of a type TYPE in the form of a declaration of a
variable named VARSTRING. (VARSTRING is demangled if necessary.)
Output goes to STREAM (via stdio).
If SHOW is positive, we show the contents of the outermost level
of structure even if there is a type name that could be used instead.
If SHOW is negative, we never show the details of elements' types. */
void
type_print (struct type *type, const char *varstring, struct ui_file *stream,
int show)
{
LA_PRINT_TYPE (type, varstring, stream, show, 0, &default_ptype_flags);
}
/* Print TYPE to a string, returning it. The caller is responsible for
freeing the string. */
std::string
type_to_string (struct type *type)
{
try
{
string_file stb;
type_print (type, "", &stb, -1);
return std::move (stb.string ());
}
catch (const gdb_exception &except)
{
}
return {};
}
/* See typeprint.h. */
void
type_print_unknown_return_type (struct ui_file *stream)
{
fprintf_styled (stream, metadata_style.style (),
_("<unknown return type>"));
}
/* See typeprint.h. */
void
error_unknown_type (const char *sym_print_name)
{
error (_("'%s' has unknown type; cast it to its declared type"),
sym_print_name);
}
/* Print type of EXP, or last thing in value history if EXP == NULL.
show is passed to type_print. */
static void
whatis_exp (const char *exp, int show)
{
struct value *val;
struct type *real_type = NULL;
struct type *type;
int full = 0;
LONGEST top = -1;
int using_enc = 0;
struct value_print_options opts;
struct type_print_options flags = default_ptype_flags;
if (exp)
{
if (*exp == '/')
{
int seen_one = 0;
for (++exp; *exp && !isspace (*exp); ++exp)
{
switch (*exp)
{
case 'r':
flags.raw = 1;
break;
case 'm':
flags.print_methods = 0;
break;
case 'M':
flags.print_methods = 1;
break;
case 't':
flags.print_typedefs = 0;
break;
case 'T':
flags.print_typedefs = 1;
break;
case 'o':
{
/* Filter out languages which don't implement the
feature. */
if (show > 0
&& (current_language->la_language == language_c
|| current_language->la_language == language_cplus
|| current_language->la_language == language_rust))
{
flags.print_offsets = 1;
flags.print_typedefs = 0;
flags.print_methods = 0;
}
break;
}
default:
error (_("unrecognized flag '%c'"), *exp);
}
seen_one = 1;
}
if (!*exp && !seen_one)
error (_("flag expected"));
if (!isspace (*exp))
error (_("expected space after format"));
exp = skip_spaces (exp);
}
expression_up expr = parse_expression (exp);
/* The behavior of "whatis" depends on whether the user
expression names a type directly, or a language expression
(including variable names). If the former, then "whatis"
strips one level of typedefs, only. If an expression,
"whatis" prints the type of the expression without stripping
any typedef level. "ptype" always strips all levels of
typedefs. */
if (show == -1 && expr->elts[0].opcode == OP_TYPE)
{
/* The user expression names a type directly. */
type = expr->elts[1].type;
/* If this is a typedef, then find its immediate target.
Use check_typedef to resolve stubs, but ignore its result
because we do not want to dig past all typedefs. */
check_typedef (type);
if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
type = TYPE_TARGET_TYPE (type);
/* If the expression is actually a type, then there's no
value to fetch the dynamic type from. */
val = NULL;
}
else
{
/* The user expression names a type indirectly by naming an
object or expression of that type. Find that
indirectly-named type. */
val = evaluate_type (expr.get ());
type = value_type (val);
}
}
else
{
val = access_value_history (0);
type = value_type (val);
}
get_user_print_options (&opts);
if (val != NULL && opts.objectprint)
{
if (((TYPE_CODE (type) == TYPE_CODE_PTR) || TYPE_IS_REFERENCE (type))
&& (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT))
real_type = value_rtti_indirect_type (val, &full, &top, &using_enc);
else if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
real_type = value_rtti_type (val, &full, &top, &using_enc);
}
if (flags.print_offsets
&& (TYPE_CODE (type) == TYPE_CODE_STRUCT
|| TYPE_CODE (type) == TYPE_CODE_UNION))
fprintf_filtered (gdb_stdout, "/* offset | size */ ");
printf_filtered ("type = ");
std::unique_ptr<typedef_hash_table> table_holder;
std::unique_ptr<ext_lang_type_printers> printer_holder;
if (!flags.raw)
{
table_holder.reset (new typedef_hash_table);
flags.global_typedefs = table_holder.get ();
printer_holder.reset (new ext_lang_type_printers);
flags.global_printers = printer_holder.get ();
}
if (real_type)
{
printf_filtered ("/* real type = ");
type_print (real_type, "", gdb_stdout, -1);
if (! full)
printf_filtered (" (incomplete object)");
printf_filtered (" */\n");
}
LA_PRINT_TYPE (type, "", gdb_stdout, show, 0, &flags);
printf_filtered ("\n");
}
static void
whatis_command (const char *exp, int from_tty)
{
/* Most of the time users do not want to see all the fields
in a structure. If they do they can use the "ptype" command.
Hence the "-1" below. */
whatis_exp (exp, -1);
}
/* TYPENAME is either the name of a type, or an expression. */
static void
ptype_command (const char *type_name, int from_tty)
{
whatis_exp (type_name, 1);
}
/* Print integral scalar data VAL, of type TYPE, onto stdio stream STREAM.
Used to print data from type structures in a specified type. For example,
array bounds may be characters or booleans in some languages, and this
allows the ranges to be printed in their "natural" form rather than as
decimal integer values.
FIXME: This is here simply because only the type printing routines
currently use it, and it wasn't clear if it really belonged somewhere
else (like printcmd.c). There are a lot of other gdb routines that do
something similar, but they are generally concerned with printing values
that come from the inferior in target byte order and target size. */
void
print_type_scalar (struct type *type, LONGEST val, struct ui_file *stream)
{
unsigned int i;
unsigned len;
type = check_typedef (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_ENUM:
len = TYPE_NFIELDS (type);
for (i = 0; i < len; i++)
{
if (TYPE_FIELD_ENUMVAL (type, i) == val)
{
break;
}
}
if (i < len)
{
fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
}
else
{
print_longest (stream, 'd', 0, val);
}
break;
case TYPE_CODE_INT:
print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val);
break;
case TYPE_CODE_CHAR:
LA_PRINT_CHAR ((unsigned char) val, type, stream);
break;
case TYPE_CODE_BOOL:
fprintf_filtered (stream, val ? "TRUE" : "FALSE");
break;
case TYPE_CODE_RANGE:
print_type_scalar (TYPE_TARGET_TYPE (type), val, stream);
return;
case TYPE_CODE_UNDEF:
case TYPE_CODE_PTR:
case TYPE_CODE_ARRAY:
case TYPE_CODE_STRUCT:
case TYPE_CODE_UNION:
case TYPE_CODE_FUNC:
case TYPE_CODE_FLT:
case TYPE_CODE_VOID:
case TYPE_CODE_SET:
case TYPE_CODE_STRING:
case TYPE_CODE_ERROR:
case TYPE_CODE_MEMBERPTR:
case TYPE_CODE_METHODPTR:
case TYPE_CODE_METHOD:
case TYPE_CODE_REF:
case TYPE_CODE_RVALUE_REF:
case TYPE_CODE_NAMESPACE:
error (_("internal error: unhandled type in print_type_scalar"));
break;
default:
error (_("Invalid type code in symbol table."));
}
}
/* Dump details of a type specified either directly or indirectly.
Uses the same sort of type lookup mechanism as ptype_command()
and whatis_command(). */
void
maintenance_print_type (const char *type_name, int from_tty)
{
struct value *val;
struct type *type;
if (type_name != NULL)
{
expression_up expr = parse_expression (type_name);
if (expr->elts[0].opcode == OP_TYPE)
{
/* The user expression names a type directly, just use that type. */
type = expr->elts[1].type;
}
else
{
/* The user expression may name a type indirectly by naming an
object of that type. Find that indirectly named type. */
val = evaluate_type (expr.get ());
type = value_type (val);
}
if (type != NULL)
{
recursive_dump_type (type, 0);
}
}
}
struct cmd_list_element *setprinttypelist;
struct cmd_list_element *showprinttypelist;
static void
set_print_type (const char *arg, int from_tty)
{
printf_unfiltered (
"\"set print type\" must be followed by the name of a subcommand.\n");
help_list (setprintlist, "set print type ", all_commands, gdb_stdout);
}
static void
show_print_type (const char *args, int from_tty)
{
cmd_show_list (showprinttypelist, from_tty, "");
}
static bool print_methods = true;
static void
set_print_type_methods (const char *args,
int from_tty, struct cmd_list_element *c)
{
default_ptype_flags.print_methods = print_methods;
}
static void
show_print_type_methods (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("Printing of methods defined in a class in %s\n"),
value);
}
static bool print_typedefs = true;
static void
set_print_type_typedefs (const char *args,
int from_tty, struct cmd_list_element *c)
{
default_ptype_flags.print_typedefs = print_typedefs;
}
static void
show_print_type_typedefs (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("Printing of typedefs defined in a class in %s\n"),
value);
}
/* Limit on the number of nested type definitions to print or -1 to print
all nested type definitions in a class. By default, we do not print
nested definitions. */
static int print_nested_type_limit = 0;
/* Set how many nested type definitions should be printed by the type
printer. */
static void
set_print_type_nested_types (const char *args, int from_tty,
struct cmd_list_element *c)
{
default_ptype_flags.print_nested_type_limit = print_nested_type_limit;
}
/* Show how many nested type definitions the type printer will print. */
static void
show_print_type_nested_types (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
if (*value == '0')
{
fprintf_filtered (file,
_("Will not print nested types defined in a class\n"));
}
else
{
fprintf_filtered (file,
_("Will print %s nested types defined in a class\n"),
value);
}
}
void
_initialize_typeprint (void)
{
struct cmd_list_element *c;
c = add_com ("ptype", class_vars, ptype_command, _("\
Print definition of type TYPE.\n\
Usage: ptype[/FLAGS] TYPE | EXPRESSION\n\
Argument may be any type (for example a type name defined by typedef,\n\
or \"struct STRUCT-TAG\" or \"class CLASS-NAME\" or \"union UNION-TAG\"\n\
or \"enum ENUM-TAG\") or an expression.\n\
The selected stack frame's lexical context is used to look up the name.\n\
Contrary to \"whatis\", \"ptype\" always unrolls any typedefs.\n\
\n\
Available FLAGS are:\n\
/r print in \"raw\" form; do not substitute typedefs\n\
/m do not print methods defined in a class\n\
/M print methods defined in a class\n\
/t do not print typedefs defined in a class\n\
/T print typedefs defined in a class\n\
/o print offsets and sizes of fields in a struct (like pahole)"));
set_cmd_completer (c, expression_completer);
c = add_com ("whatis", class_vars, whatis_command,
_("Print data type of expression EXP.\n\
Only one level of typedefs is unrolled. See also \"ptype\"."));
set_cmd_completer (c, expression_completer);
add_prefix_cmd ("type", no_class, show_print_type,
_("Generic command for showing type-printing settings."),
&showprinttypelist, "show print type ", 0, &showprintlist);
add_prefix_cmd ("type", no_class, set_print_type,
_("Generic command for setting how types print."),
&setprinttypelist, "set print type ", 0, &setprintlist);
add_setshow_boolean_cmd ("methods", no_class, &print_methods,
_("\
Set printing of methods defined in classes."), _("\
Show printing of methods defined in classes."), NULL,
set_print_type_methods,
show_print_type_methods,
&setprinttypelist, &showprinttypelist);
add_setshow_boolean_cmd ("typedefs", no_class, &print_typedefs,
_("\
Set printing of typedefs defined in classes."), _("\
Show printing of typedefs defined in classes."), NULL,
set_print_type_typedefs,
show_print_type_typedefs,
&setprinttypelist, &showprinttypelist);
add_setshow_zuinteger_unlimited_cmd ("nested-type-limit", no_class,
&print_nested_type_limit,
_("\
Set the number of recursive nested type definitions to print \
(\"unlimited\" or -1 to show all)."), _("\
Show the number of recursive nested type definitions to print."), NULL,
set_print_type_nested_types,
show_print_type_nested_types,
&setprinttypelist, &showprinttypelist);
}
/* Print <not allocated> status to stream STREAM. */
void
val_print_not_allocated (struct ui_file *stream)
{
fprintf_styled (stream, metadata_style.style (), _("<not allocated>"));
}
/* Print <not associated> status to stream STREAM. */
void
val_print_not_associated (struct ui_file *stream)
{
fprintf_styled (stream, metadata_style.style (), _("<not associated>"));
}
|