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c906108c 1/* Support for printing C and C++ types for GDB, the GNU debugger.
b6ba6518
KB
2 Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1998,
3 1999, 2000
c906108c
SS
4 Free Software Foundation, Inc.
5
c5aa993b 6 This file is part of GDB.
c906108c 7
c5aa993b
JM
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
c906108c 12
c5aa993b
JM
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
c906108c 17
c5aa993b
JM
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
c906108c
SS
22
23#include "defs.h"
24#include "obstack.h"
25#include "bfd.h" /* Binary File Description */
26#include "symtab.h"
27#include "gdbtypes.h"
28#include "expression.h"
29#include "value.h"
30#include "gdbcore.h"
31#include "target.h"
c906108c
SS
32#include "language.h"
33#include "demangle.h"
34#include "c-lang.h"
35#include "typeprint.h"
015a42b4 36#include "cp-abi.h"
c906108c
SS
37
38#include "gdb_string.h"
39#include <errno.h>
c906108c
SS
40
41/* Flag indicating target was compiled by HP compiler */
42extern int hp_som_som_object_present;
43
d9fcf2fb
JM
44static void cp_type_print_method_args (struct type ** args, char *prefix,
45 char *varstring, int staticp,
46 struct ui_file *stream);
392a587b 47
d9fcf2fb 48static void c_type_print_args (struct type *, struct ui_file *);
c906108c 49
d9fcf2fb 50static void cp_type_print_derivation_info (struct ui_file *, struct type *);
c906108c 51
d9fcf2fb
JM
52void c_type_print_varspec_prefix (struct type *, struct ui_file *, int,
53 int);
c906108c 54
47663de5
MS
55/* Print "const", "volatile", or address space modifiers. */
56static void c_type_print_modifier (struct type *, struct ui_file *,
57 int, int);
c5aa993b 58\f
c906108c
SS
59
60
c906108c
SS
61
62/* LEVEL is the depth to indent lines by. */
63
64void
fba45db2
KB
65c_print_type (struct type *type, char *varstring, struct ui_file *stream,
66 int show, int level)
c906108c
SS
67{
68 register enum type_code code;
69 int demangled_args;
70
71 if (show > 0)
72 CHECK_TYPEDEF (type);
73
74 c_type_print_base (type, stream, show, level);
75 code = TYPE_CODE (type);
76 if ((varstring != NULL && *varstring != '\0')
77 ||
c5aa993b
JM
78 /* Need a space if going to print stars or brackets;
79 but not if we will print just a type name. */
c906108c
SS
80 ((show > 0 || TYPE_NAME (type) == 0)
81 &&
82 (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
83 || code == TYPE_CODE_METHOD
84 || code == TYPE_CODE_ARRAY
85 || code == TYPE_CODE_MEMBER
86 || code == TYPE_CODE_REF)))
87 fputs_filtered (" ", stream);
88 c_type_print_varspec_prefix (type, stream, show, 0);
89
90 if (varstring != NULL)
91 {
92 fputs_filtered (varstring, stream);
93
94 /* For demangled function names, we have the arglist as part of the name,
c5aa993b 95 so don't print an additional pair of ()'s */
c906108c 96
c5aa993b 97 demangled_args = strchr (varstring, '(') != NULL;
c906108c
SS
98 c_type_print_varspec_suffix (type, stream, show, 0, demangled_args);
99 }
100}
c5aa993b 101
c906108c
SS
102/* If TYPE is a derived type, then print out derivation information.
103 Print only the actual base classes of this type, not the base classes
104 of the base classes. I.E. for the derivation hierarchy:
105
c5aa993b
JM
106 class A { int a; };
107 class B : public A {int b; };
108 class C : public B {int c; };
c906108c
SS
109
110 Print the type of class C as:
111
c5aa993b
JM
112 class C : public B {
113 int c;
114 }
c906108c
SS
115
116 Not as the following (like gdb used to), which is not legal C++ syntax for
117 derived types and may be confused with the multiple inheritance form:
118
c5aa993b
JM
119 class C : public B : public A {
120 int c;
121 }
c906108c
SS
122
123 In general, gdb should try to print the types as closely as possible to
124 the form that they appear in the source code.
125 Note that in case of protected derivation gcc will not say 'protected'
126 but 'private'. The HP's aCC compiler emits specific information for
127 derivation via protected inheritance, so gdb can print it out */
128
129static void
fba45db2 130cp_type_print_derivation_info (struct ui_file *stream, struct type *type)
c906108c
SS
131{
132 char *name;
133 int i;
134
135 for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
136 {
137 fputs_filtered (i == 0 ? ": " : ", ", stream);
138 fprintf_filtered (stream, "%s%s ",
c5aa993b
JM
139 BASETYPE_VIA_PUBLIC (type, i) ? "public"
140 : (TYPE_FIELD_PROTECTED (type, i) ? "protected" : "private"),
141 BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : "");
c906108c
SS
142 name = type_name_no_tag (TYPE_BASECLASS (type, i));
143 fprintf_filtered (stream, "%s", name ? name : "(null)");
144 }
145 if (i > 0)
146 {
147 fputs_filtered (" ", stream);
148 }
149}
150/* Print the C++ method arguments ARGS to the file STREAM. */
c5aa993b 151
392a587b 152static void
fba45db2
KB
153cp_type_print_method_args (struct type **args, char *prefix, char *varstring,
154 int staticp, struct ui_file *stream)
c906108c
SS
155{
156 int i;
c5aa993b 157
c906108c
SS
158 fprintf_symbol_filtered (stream, prefix, language_cplus, DMGL_ANSI);
159 fprintf_symbol_filtered (stream, varstring, language_cplus, DMGL_ANSI);
160 fputs_filtered ("(", stream);
161 if (args && args[!staticp] && args[!staticp]->code != TYPE_CODE_VOID)
162 {
c5aa993b 163 i = !staticp; /* skip the class variable */
c906108c 164 while (1)
c5aa993b
JM
165 {
166 type_print (args[i++], "", stream, 0);
167 if (!args[i])
168 {
169 fprintf_filtered (stream, " ...");
170 break;
171 }
172 else if (args[i]->code != TYPE_CODE_VOID)
173 {
174 fprintf_filtered (stream, ", ");
175 }
176 else
177 break;
178 }
c906108c
SS
179 }
180 else if (current_language->la_language == language_cplus)
181 {
182 fprintf_filtered (stream, "void");
183 }
c5aa993b 184
c906108c
SS
185 fprintf_filtered (stream, ")");
186}
187
188
189/* Print any asterisks or open-parentheses needed before the
190 variable name (to describe its type).
191
192 On outermost call, pass 0 for PASSED_A_PTR.
193 On outermost call, SHOW > 0 means should ignore
194 any typename for TYPE and show its details.
195 SHOW is always zero on recursive calls. */
196
197void
fba45db2
KB
198c_type_print_varspec_prefix (struct type *type, struct ui_file *stream,
199 int show, int passed_a_ptr)
c906108c
SS
200{
201 char *name;
202 if (type == 0)
203 return;
204
205 if (TYPE_NAME (type) && show <= 0)
206 return;
207
208 QUIT;
209
210 switch (TYPE_CODE (type))
211 {
212 case TYPE_CODE_PTR:
213 c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
214 fprintf_filtered (stream, "*");
47663de5 215 c_type_print_modifier (type, stream, 1, 0);
c906108c
SS
216 break;
217
218 case TYPE_CODE_MEMBER:
219 if (passed_a_ptr)
220 fprintf_filtered (stream, "(");
221 c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
222 fprintf_filtered (stream, " ");
223 name = type_name_no_tag (TYPE_DOMAIN_TYPE (type));
224 if (name)
225 fputs_filtered (name, stream);
226 else
c5aa993b 227 c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr);
c906108c
SS
228 fprintf_filtered (stream, "::");
229 break;
230
231 case TYPE_CODE_METHOD:
232 if (passed_a_ptr)
233 fprintf_filtered (stream, "(");
234 c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
235 if (passed_a_ptr)
236 {
237 fprintf_filtered (stream, " ");
238 c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr);
239 fprintf_filtered (stream, "::");
240 }
241 break;
242
243 case TYPE_CODE_REF:
244 c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
245 fprintf_filtered (stream, "&");
47663de5 246 c_type_print_modifier (type, stream, 1, 0);
c906108c
SS
247 break;
248
249 case TYPE_CODE_FUNC:
250 c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
251 if (passed_a_ptr)
252 fprintf_filtered (stream, "(");
253 break;
254
255 case TYPE_CODE_ARRAY:
256 c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
257 if (passed_a_ptr)
258 fprintf_filtered (stream, "(");
259 break;
260
261 case TYPE_CODE_UNDEF:
262 case TYPE_CODE_STRUCT:
263 case TYPE_CODE_UNION:
264 case TYPE_CODE_ENUM:
265 case TYPE_CODE_INT:
266 case TYPE_CODE_FLT:
267 case TYPE_CODE_VOID:
268 case TYPE_CODE_ERROR:
269 case TYPE_CODE_CHAR:
270 case TYPE_CODE_BOOL:
271 case TYPE_CODE_SET:
272 case TYPE_CODE_RANGE:
273 case TYPE_CODE_STRING:
274 case TYPE_CODE_BITSTRING:
275 case TYPE_CODE_COMPLEX:
276 case TYPE_CODE_TYPEDEF:
c4093a6a 277 case TYPE_CODE_TEMPLATE:
c906108c 278 /* These types need no prefix. They are listed here so that
c5aa993b 279 gcc -Wall will reveal any types that haven't been handled. */
c906108c 280 break;
c4093a6a
JM
281 default:
282 error ("type not handled in c_type_print_varspec_prefix()");
283 break;
c906108c
SS
284 }
285}
286
287/* Print out "const" and "volatile" attributes.
288 TYPE is a pointer to the type being printed out.
289 STREAM is the output destination.
290 NEED_SPACE = 1 indicates an initial white space is needed */
291
292static void
47663de5
MS
293c_type_print_modifier (struct type *type, struct ui_file *stream,
294 int need_pre_space, int need_post_space)
c906108c 295{
47663de5
MS
296 int did_print_modifier = 0;
297 char *address_space_id;
c5aa993b 298
7f0b5c30
JB
299 /* We don't print `const' qualifiers for references --- since all
300 operators affect the thing referenced, not the reference itself,
301 every reference is `const'. */
302 if (TYPE_CONST (type)
303 && TYPE_CODE (type) != TYPE_CODE_REF)
c906108c
SS
304 {
305 if (need_pre_space)
c5aa993b 306 fprintf_filtered (stream, " ");
c906108c 307 fprintf_filtered (stream, "const");
47663de5 308 did_print_modifier = 1;
c906108c 309 }
c5aa993b 310
c906108c
SS
311 if (TYPE_VOLATILE (type))
312 {
47663de5 313 if (did_print_modifier || need_pre_space)
c5aa993b 314 fprintf_filtered (stream, " ");
c906108c 315 fprintf_filtered (stream, "volatile");
47663de5 316 did_print_modifier = 1;
c906108c
SS
317 }
318
47663de5
MS
319 address_space_id = address_space_int_to_name (TYPE_FLAGS (type));
320 if (address_space_id)
321 {
322 if (did_print_modifier || need_pre_space)
323 fprintf_filtered (stream, " ");
324 fprintf_filtered (stream, "@%s", address_space_id);
325 did_print_modifier = 1;
326 }
327
328 if (did_print_modifier && need_post_space)
c906108c
SS
329 fprintf_filtered (stream, " ");
330}
331
332
333
334
335static void
fba45db2 336c_type_print_args (struct type *type, struct ui_file *stream)
c906108c
SS
337{
338 int i;
339 struct type **args;
340
341 fprintf_filtered (stream, "(");
342 args = TYPE_ARG_TYPES (type);
343 if (args != NULL)
344 {
345 if (args[1] == NULL)
346 {
347 fprintf_filtered (stream, "...");
348 }
349 else if ((args[1]->code == TYPE_CODE_VOID) &&
c5aa993b
JM
350 (current_language->la_language == language_cplus))
351 {
352 fprintf_filtered (stream, "void");
353 }
c906108c
SS
354 else
355 {
356 for (i = 1;
357 args[i] != NULL && args[i]->code != TYPE_CODE_VOID;
358 i++)
359 {
360 c_print_type (args[i], "", stream, -1, 0);
c5aa993b 361 if (args[i + 1] == NULL)
c906108c
SS
362 {
363 fprintf_filtered (stream, "...");
364 }
c5aa993b 365 else if (args[i + 1]->code != TYPE_CODE_VOID)
c906108c
SS
366 {
367 fprintf_filtered (stream, ",");
368 wrap_here (" ");
369 }
370 }
371 }
372 }
373 else if (current_language->la_language == language_cplus)
374 {
375 fprintf_filtered (stream, "void");
376 }
c5aa993b 377
c906108c
SS
378 fprintf_filtered (stream, ")");
379}
380
dfcd3bfb
JM
381
382/* Return true iff the j'th overloading of the i'th method of TYPE
383 is a type conversion operator, like `operator int () { ... }'.
384 When listing a class's methods, we don't print the return type of
385 such operators. */
386static int
387is_type_conversion_operator (struct type *type, int i, int j)
388{
389 /* I think the whole idea of recognizing type conversion operators
390 by their name is pretty terrible. But I don't think our present
391 data structure gives us any other way to tell. If you know of
392 some other way, feel free to rewrite this function. */
393 char *name = TYPE_FN_FIELDLIST_NAME (type, i);
394
395 if (strncmp (name, "operator", 8) != 0)
396 return 0;
397
398 name += 8;
399 if (! strchr (" \t\f\n\r", *name))
400 return 0;
401
402 while (strchr (" \t\f\n\r", *name))
403 name++;
404
405 if (strncmp (name, "new", 3) == 0)
406 name += 3;
407 else if (strncmp (name, "delete", 6) == 0)
408 name += 6;
409 else
410 return 0;
411
412 /* Is that really the end of the name? */
413 if (('a' <= *name && *name <= 'z')
414 || ('A' <= *name && *name <= 'Z')
415 || ('0' <= *name && *name <= '9')
416 || *name == '_')
417 /* No, so the identifier following "operator" must be a type name,
418 and this is a type conversion operator. */
419 return 1;
420
421 /* That was indeed the end of the name, so it was `operator new' or
422 `operator delete', neither of which are type conversion operators. */
423 return 0;
424}
425
426
427/* Given a C++ qualified identifier QID, strip off the qualifiers,
428 yielding the unqualified name. The return value is a pointer into
429 the original string.
430
431 It's a pity we don't have this information in some more structured
432 form. Even the author of this function feels that writing little
433 parsers like this everywhere is stupid. */
434static char *
435remove_qualifiers (char *qid)
436{
437 int quoted = 0; /* zero if we're not in quotes;
438 '"' if we're in a double-quoted string;
439 '\'' if we're in a single-quoted string. */
440 int depth = 0; /* number of unclosed parens we've seen */
441 char *parenstack = (char *) alloca (strlen (qid));
442 char *scan;
443 char *last = 0; /* The character after the rightmost
444 `::' token we've seen so far. */
445
446 for (scan = qid; *scan; scan++)
447 {
448 if (quoted)
449 {
450 if (*scan == quoted)
451 quoted = 0;
452 else if (*scan == '\\' && *(scan + 1))
453 scan++;
454 }
455 else if (scan[0] == ':' && scan[1] == ':')
456 {
457 /* If we're inside parenthesis (i.e., an argument list) or
458 angle brackets (i.e., a list of template arguments), then
459 we don't record the position of this :: token, since it's
460 not relevant to the top-level structure we're trying
461 to operate on. */
462 if (depth == 0)
463 {
464 last = scan + 2;
465 scan++;
466 }
467 }
468 else if (*scan == '"' || *scan == '\'')
469 quoted = *scan;
470 else if (*scan == '(')
471 parenstack[depth++] = ')';
472 else if (*scan == '[')
473 parenstack[depth++] = ']';
474 /* We're going to treat <> as a pair of matching characters,
475 since we're more likely to see those in template id's than
476 real less-than characters. What a crock. */
477 else if (*scan == '<')
478 parenstack[depth++] = '>';
479 else if (*scan == ')' || *scan == ']' || *scan == '>')
480 {
481 if (depth > 0 && parenstack[depth - 1] == *scan)
482 depth--;
483 else
484 {
485 /* We're going to do a little error recovery here. If we
486 don't find a match for *scan on the paren stack, but
487 there is something lower on the stack that does match, we
488 pop the stack to that point. */
489 int i;
490
491 for (i = depth - 1; i >= 0; i--)
492 if (parenstack[i] == *scan)
493 {
494 depth = i;
495 break;
496 }
497 }
498 }
499 }
500
501 if (last)
502 return last;
503 else
504 /* We didn't find any :: tokens at the top level, so declare the
505 whole thing an unqualified identifier. */
506 return qid;
507}
508
509
c906108c
SS
510/* Print any array sizes, function arguments or close parentheses
511 needed after the variable name (to describe its type).
512 Args work like c_type_print_varspec_prefix. */
513
514void
fba45db2
KB
515c_type_print_varspec_suffix (struct type *type, struct ui_file *stream,
516 int show, int passed_a_ptr, int demangled_args)
c906108c
SS
517{
518 if (type == 0)
519 return;
520
521 if (TYPE_NAME (type) && show <= 0)
522 return;
523
524 QUIT;
525
526 switch (TYPE_CODE (type))
527 {
528 case TYPE_CODE_ARRAY:
529 if (passed_a_ptr)
530 fprintf_filtered (stream, ")");
c5aa993b 531
c906108c
SS
532 fprintf_filtered (stream, "[");
533 if (TYPE_LENGTH (type) >= 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0
c5aa993b 534 && TYPE_ARRAY_UPPER_BOUND_TYPE (type) != BOUND_CANNOT_BE_DETERMINED)
c906108c
SS
535 fprintf_filtered (stream, "%d",
536 (TYPE_LENGTH (type)
537 / TYPE_LENGTH (TYPE_TARGET_TYPE (type))));
538 fprintf_filtered (stream, "]");
c5aa993b 539
c906108c
SS
540 c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
541 break;
542
543 case TYPE_CODE_MEMBER:
544 if (passed_a_ptr)
545 fprintf_filtered (stream, ")");
546 c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
547 break;
548
549 case TYPE_CODE_METHOD:
550 if (passed_a_ptr)
551 fprintf_filtered (stream, ")");
552 c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
553 if (passed_a_ptr)
554 {
555 c_type_print_args (type, stream);
556 }
557 break;
558
559 case TYPE_CODE_PTR:
560 case TYPE_CODE_REF:
561 c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0);
562 break;
563
564 case TYPE_CODE_FUNC:
565 if (passed_a_ptr)
566 fprintf_filtered (stream, ")");
567 if (!demangled_args)
c5aa993b
JM
568 {
569 int i, len = TYPE_NFIELDS (type);
c906108c 570 fprintf_filtered (stream, "(");
c5aa993b
JM
571 if ((len == 0) && (current_language->la_language == language_cplus))
572 {
573 fprintf_filtered (stream, "void");
574 }
575 else
576 for (i = 0; i < len; i++)
577 {
578 if (i > 0)
579 {
580 fputs_filtered (", ", stream);
581 wrap_here (" ");
582 }
583 c_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0);
584 }
c906108c
SS
585 fprintf_filtered (stream, ")");
586 }
587 c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
588 passed_a_ptr, 0);
589 break;
590
591 case TYPE_CODE_UNDEF:
592 case TYPE_CODE_STRUCT:
593 case TYPE_CODE_UNION:
594 case TYPE_CODE_ENUM:
595 case TYPE_CODE_INT:
596 case TYPE_CODE_FLT:
597 case TYPE_CODE_VOID:
598 case TYPE_CODE_ERROR:
599 case TYPE_CODE_CHAR:
600 case TYPE_CODE_BOOL:
601 case TYPE_CODE_SET:
602 case TYPE_CODE_RANGE:
603 case TYPE_CODE_STRING:
604 case TYPE_CODE_BITSTRING:
605 case TYPE_CODE_COMPLEX:
606 case TYPE_CODE_TYPEDEF:
c4093a6a 607 case TYPE_CODE_TEMPLATE:
c906108c 608 /* These types do not need a suffix. They are listed so that
c5aa993b 609 gcc -Wall will report types that may not have been considered. */
c906108c 610 break;
c4093a6a
JM
611 default:
612 error ("type not handled in c_type_print_varspec_suffix()");
613 break;
c906108c
SS
614 }
615}
616
617/* Print the name of the type (or the ultimate pointer target,
618 function value or array element), or the description of a
619 structure or union.
620
621 SHOW positive means print details about the type (e.g. enum values),
622 and print structure elements passing SHOW - 1 for show.
623 SHOW negative means just print the type name or struct tag if there is one.
624 If there is no name, print something sensible but concise like
625 "struct {...}".
626 SHOW zero means just print the type name or struct tag if there is one.
627 If there is no name, print something sensible but not as concise like
628 "struct {int x; int y;}".
629
630 LEVEL is the number of spaces to indent by.
631 We increase it for some recursive calls. */
632
633void
fba45db2
KB
634c_type_print_base (struct type *type, struct ui_file *stream, int show,
635 int level)
c906108c
SS
636{
637 register int i;
638 register int len;
639 register int lastval;
640 char *mangled_name;
641 char *demangled_name;
642 char *demangled_no_static;
c5aa993b
JM
643 enum
644 {
645 s_none, s_public, s_private, s_protected
646 }
647 section_type;
c906108c
SS
648 int need_access_label = 0;
649 int j, len2;
650
651 QUIT;
652
653 wrap_here (" ");
654 if (type == NULL)
655 {
656 fputs_filtered ("<type unknown>", stream);
657 return;
658 }
659
660 /* When SHOW is zero or less, and there is a valid type name, then always
661 just print the type name directly from the type. */
662 /* If we have "typedef struct foo {. . .} bar;" do we want to print it
663 as "struct foo" or as "bar"? Pick the latter, because C++ folk tend
664 to expect things like "class5 *foo" rather than "struct class5 *foo". */
665
666 if (show <= 0
667 && TYPE_NAME (type) != NULL)
668 {
47663de5 669 c_type_print_modifier (type, stream, 0, 1);
c906108c
SS
670 fputs_filtered (TYPE_NAME (type), stream);
671 return;
672 }
673
674 CHECK_TYPEDEF (type);
c5aa993b 675
c906108c
SS
676 switch (TYPE_CODE (type))
677 {
678 case TYPE_CODE_TYPEDEF:
679 case TYPE_CODE_ARRAY:
680 case TYPE_CODE_PTR:
681 case TYPE_CODE_MEMBER:
682 case TYPE_CODE_REF:
683 case TYPE_CODE_FUNC:
684 case TYPE_CODE_METHOD:
685 c_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
686 break;
687
688 case TYPE_CODE_STRUCT:
47663de5 689 c_type_print_modifier (type, stream, 0, 1);
c906108c
SS
690 /* Note TYPE_CODE_STRUCT and TYPE_CODE_CLASS have the same value,
691 * so we use another means for distinguishing them.
692 */
c5aa993b
JM
693 if (HAVE_CPLUS_STRUCT (type))
694 {
695 switch (TYPE_DECLARED_TYPE (type))
696 {
697 case DECLARED_TYPE_CLASS:
698 fprintf_filtered (stream, "class ");
699 break;
700 case DECLARED_TYPE_UNION:
701 fprintf_filtered (stream, "union ");
702 break;
703 case DECLARED_TYPE_STRUCT:
704 fprintf_filtered (stream, "struct ");
705 break;
706 default:
707 /* If there is a CPLUS_STRUCT, assume class if not
708 * otherwise specified in the declared_type field.
709 */
710 fprintf_filtered (stream, "class ");
711 break;
712 } /* switch */
713 }
714 else
715 {
716 /* If not CPLUS_STRUCT, then assume it's a C struct */
717 fprintf_filtered (stream, "struct ");
718 }
c906108c
SS
719 goto struct_union;
720
721 case TYPE_CODE_UNION:
47663de5 722 c_type_print_modifier (type, stream, 0, 1);
c906108c
SS
723 fprintf_filtered (stream, "union ");
724
725 struct_union:
726
727 /* Print the tag if it exists.
728 * The HP aCC compiler emits
729 * a spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}"
730 * tag for unnamed struct/union/enum's, which we don't
731 * want to print.
732 */
733 if (TYPE_TAG_NAME (type) != NULL &&
c5aa993b 734 strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
c906108c
SS
735 {
736 fputs_filtered (TYPE_TAG_NAME (type), stream);
737 if (show > 0)
738 fputs_filtered (" ", stream);
739 }
740 wrap_here (" ");
741 if (show < 0)
742 {
743 /* If we just printed a tag name, no need to print anything else. */
744 if (TYPE_TAG_NAME (type) == NULL)
745 fprintf_filtered (stream, "{...}");
746 }
747 else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
748 {
749 cp_type_print_derivation_info (stream, type);
c5aa993b 750
c906108c
SS
751 fprintf_filtered (stream, "{\n");
752 if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
753 {
74a9bb82 754 if (TYPE_STUB (type))
c906108c
SS
755 fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
756 else
757 fprintfi_filtered (level + 4, stream, "<no data fields>\n");
758 }
759
760 /* Start off with no specific section type, so we can print
761 one for the first field we find, and use that section type
762 thereafter until we find another type. */
763
764 section_type = s_none;
765
c5aa993b
JM
766 /* For a class, if all members are private, there's no need
767 for a "private:" label; similarly, for a struct or union
768 masquerading as a class, if all members are public, there's
769 no need for a "public:" label. */
770
771 if ((TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_CLASS) ||
772 (TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_TEMPLATE))
773 {
774 QUIT;
775 len = TYPE_NFIELDS (type);
776 for (i = TYPE_N_BASECLASSES (type); i < len; i++)
777 if (!TYPE_FIELD_PRIVATE (type, i))
778 {
779 need_access_label = 1;
780 break;
781 }
782 QUIT;
783 if (!need_access_label)
784 {
785 len2 = TYPE_NFN_FIELDS (type);
786 for (j = 0; j < len2; j++)
787 {
788 len = TYPE_FN_FIELDLIST_LENGTH (type, j);
789 for (i = 0; i < len; i++)
790 if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, j), i))
791 {
792 need_access_label = 1;
793 break;
794 }
795 if (need_access_label)
796 break;
797 }
798 }
799 }
800 else if ((TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_STRUCT) ||
801 (TYPE_DECLARED_TYPE (type) == DECLARED_TYPE_UNION))
802 {
803 QUIT;
804 len = TYPE_NFIELDS (type);
805 for (i = TYPE_N_BASECLASSES (type); i < len; i++)
806 if (TYPE_FIELD_PRIVATE (type, i) || TYPE_FIELD_PROTECTED (type, i))
807 {
808 need_access_label = 1;
809 break;
810 }
811 QUIT;
812 if (!need_access_label)
813 {
814 len2 = TYPE_NFN_FIELDS (type);
815 for (j = 0; j < len2; j++)
816 {
817 QUIT;
818 len = TYPE_FN_FIELDLIST_LENGTH (type, j);
819 for (i = 0; i < len; i++)
820 if (TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, j), i) ||
821 TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type, j), i))
822 {
823 need_access_label = 1;
824 break;
825 }
826 if (need_access_label)
827 break;
828 }
829 }
830 }
c906108c
SS
831
832 /* If there is a base class for this type,
833 do not print the field that it occupies. */
834
835 len = TYPE_NFIELDS (type);
836 for (i = TYPE_N_BASECLASSES (type); i < len; i++)
837 {
838 QUIT;
839 /* Don't print out virtual function table. */
c5aa993b
JM
840 /* HP ANSI C++ case */
841 if (TYPE_HAS_VTABLE (type) && (STREQN (TYPE_FIELD_NAME (type, i), "__vfp", 5)))
842 continue;
843 /* Other compilers */
c906108c
SS
844 if (STREQN (TYPE_FIELD_NAME (type, i), "_vptr", 5)
845 && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5]))
846 continue;
847
848 /* If this is a C++ class we can print the various C++ section
c5aa993b 849 labels. */
c906108c
SS
850
851 if (HAVE_CPLUS_STRUCT (type) && need_access_label)
852 {
853 if (TYPE_FIELD_PROTECTED (type, i))
854 {
855 if (section_type != s_protected)
856 {
857 section_type = s_protected;
858 fprintfi_filtered (level + 2, stream,
859 "protected:\n");
860 }
861 }
862 else if (TYPE_FIELD_PRIVATE (type, i))
863 {
864 if (section_type != s_private)
865 {
866 section_type = s_private;
867 fprintfi_filtered (level + 2, stream, "private:\n");
868 }
869 }
870 else
871 {
872 if (section_type != s_public)
873 {
874 section_type = s_public;
875 fprintfi_filtered (level + 2, stream, "public:\n");
876 }
877 }
878 }
879
880 print_spaces_filtered (level + 4, stream);
881 if (TYPE_FIELD_STATIC (type, i))
882 {
883 fprintf_filtered (stream, "static ");
884 }
885 c_print_type (TYPE_FIELD_TYPE (type, i),
886 TYPE_FIELD_NAME (type, i),
887 stream, show - 1, level + 4);
888 if (!TYPE_FIELD_STATIC (type, i)
889 && TYPE_FIELD_PACKED (type, i))
890 {
891 /* It is a bitfield. This code does not attempt
892 to look at the bitpos and reconstruct filler,
893 unnamed fields. This would lead to misleading
894 results if the compiler does not put out fields
895 for such things (I don't know what it does). */
896 fprintf_filtered (stream, " : %d",
897 TYPE_FIELD_BITSIZE (type, i));
898 }
899 fprintf_filtered (stream, ";\n");
900 }
901
902 /* If there are both fields and methods, put a space between. */
903 len = TYPE_NFN_FIELDS (type);
904 if (len && section_type != s_none)
c5aa993b 905 fprintf_filtered (stream, "\n");
c906108c
SS
906
907 /* C++: print out the methods */
908 for (i = 0; i < len; i++)
909 {
910 struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
911 int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
912 char *method_name = TYPE_FN_FIELDLIST_NAME (type, i);
913 char *name = type_name_no_tag (type);
c5aa993b 914 int is_constructor = name && STREQ (method_name, name);
c906108c
SS
915 for (j = 0; j < len2; j++)
916 {
917 char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
c5aa993b 918 int is_full_physname_constructor =
015a42b4
JB
919 is_constructor_name (physname)
920 || is_destructor_name (physname)
921 || method_name[0] == '~';
922
c906108c
SS
923
924 QUIT;
925 if (TYPE_FN_FIELD_PROTECTED (f, j))
926 {
927 if (section_type != s_protected)
928 {
929 section_type = s_protected;
930 fprintfi_filtered (level + 2, stream,
931 "protected:\n");
932 }
933 }
934 else if (TYPE_FN_FIELD_PRIVATE (f, j))
935 {
936 if (section_type != s_private)
937 {
938 section_type = s_private;
939 fprintfi_filtered (level + 2, stream, "private:\n");
940 }
941 }
942 else
943 {
944 if (section_type != s_public)
945 {
946 section_type = s_public;
947 fprintfi_filtered (level + 2, stream, "public:\n");
948 }
949 }
950
951 print_spaces_filtered (level + 4, stream);
952 if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
953 fprintf_filtered (stream, "virtual ");
954 else if (TYPE_FN_FIELD_STATIC_P (f, j))
955 fprintf_filtered (stream, "static ");
956 if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0)
957 {
958 /* Keep GDB from crashing here. */
959 fprintf_filtered (stream, "<undefined type> %s;\n",
c5aa993b 960 TYPE_FN_FIELD_PHYSNAME (f, j));
c906108c
SS
961 break;
962 }
c5aa993b
JM
963 else if (!is_constructor && /* constructors don't have declared types */
964 !is_full_physname_constructor && /* " " */
dfcd3bfb 965 !is_type_conversion_operator (type, i, j))
c906108c
SS
966 {
967 type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
968 "", stream, -1);
969 fputs_filtered (" ", stream);
970 }
971 if (TYPE_FN_FIELD_STUB (f, j))
972 /* Build something we can demangle. */
973 mangled_name = gdb_mangle_name (type, i, j);
974 else
975 mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j);
976
977 demangled_name =
978 cplus_demangle (mangled_name,
979 DMGL_ANSI | DMGL_PARAMS);
980 if (demangled_name == NULL)
981 {
982 /* in some cases (for instance with the HP demangling),
c5aa993b
JM
983 if a function has more than 10 arguments,
984 the demangling will fail.
985 Let's try to reconstruct the function signature from
986 the symbol information */
c906108c
SS
987 if (!TYPE_FN_FIELD_STUB (f, j))
988 cp_type_print_method_args (TYPE_FN_FIELD_ARGS (f, j), "",
989 method_name,
c5aa993b 990 TYPE_FN_FIELD_STATIC_P (f, j),
c906108c
SS
991 stream);
992 else
993 fprintf_filtered (stream, "<badly mangled name '%s'>",
994 mangled_name);
995 }
996 else
997 {
998 char *p;
dfcd3bfb
JM
999 char *demangled_no_class
1000 = remove_qualifiers (demangled_name);
c5aa993b 1001
dfcd3bfb 1002 /* get rid of the `static' appended by the demangler */
c906108c
SS
1003 p = strstr (demangled_no_class, " static");
1004 if (p != NULL)
1005 {
1006 int length = p - demangled_no_class;
1007 demangled_no_static = (char *) xmalloc (length + 1);
1008 strncpy (demangled_no_static, demangled_no_class, length);
c5aa993b 1009 *(demangled_no_static + length) = '\0';
c906108c 1010 fputs_filtered (demangled_no_static, stream);
b8c9b27d 1011 xfree (demangled_no_static);
c906108c
SS
1012 }
1013 else
1014 fputs_filtered (demangled_no_class, stream);
b8c9b27d 1015 xfree (demangled_name);
c906108c
SS
1016 }
1017
1018 if (TYPE_FN_FIELD_STUB (f, j))
b8c9b27d 1019 xfree (mangled_name);
c906108c
SS
1020
1021 fprintf_filtered (stream, ";\n");
1022 }
1023 }
1024
c4093a6a
JM
1025 fprintfi_filtered (level, stream, "}");
1026
c5aa993b
JM
1027 if (TYPE_LOCALTYPE_PTR (type) && show >= 0)
1028 fprintfi_filtered (level, stream, " (Local at %s:%d)\n",
1029 TYPE_LOCALTYPE_FILE (type),
1030 TYPE_LOCALTYPE_LINE (type));
c906108c 1031 }
c5aa993b
JM
1032 if (TYPE_CODE (type) == TYPE_CODE_TEMPLATE)
1033 goto go_back;
c906108c
SS
1034 break;
1035
1036 case TYPE_CODE_ENUM:
47663de5 1037 c_type_print_modifier (type, stream, 0, 1);
c906108c
SS
1038 /* HP C supports sized enums */
1039 if (hp_som_som_object_present)
c5aa993b
JM
1040 switch (TYPE_LENGTH (type))
1041 {
1042 case 1:
1043 fputs_filtered ("char ", stream);
1044 break;
1045 case 2:
1046 fputs_filtered ("short ", stream);
1047 break;
1048 default:
1049 break;
1050 }
1051 fprintf_filtered (stream, "enum ");
c906108c
SS
1052 /* Print the tag name if it exists.
1053 The aCC compiler emits a spurious
1054 "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}"
1055 tag for unnamed struct/union/enum's, which we don't
1056 want to print. */
1057 if (TYPE_TAG_NAME (type) != NULL &&
c5aa993b 1058 strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
c906108c
SS
1059 {
1060 fputs_filtered (TYPE_TAG_NAME (type), stream);
1061 if (show > 0)
1062 fputs_filtered (" ", stream);
1063 }
1064
1065 wrap_here (" ");
1066 if (show < 0)
1067 {
1068 /* If we just printed a tag name, no need to print anything else. */
1069 if (TYPE_TAG_NAME (type) == NULL)
1070 fprintf_filtered (stream, "{...}");
1071 }
1072 else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
1073 {
1074 fprintf_filtered (stream, "{");
1075 len = TYPE_NFIELDS (type);
1076 lastval = 0;
1077 for (i = 0; i < len; i++)
1078 {
1079 QUIT;
c5aa993b
JM
1080 if (i)
1081 fprintf_filtered (stream, ", ");
c906108c
SS
1082 wrap_here (" ");
1083 fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
1084 if (lastval != TYPE_FIELD_BITPOS (type, i))
1085 {
1086 fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
1087 lastval = TYPE_FIELD_BITPOS (type, i);
1088 }
1089 lastval++;
1090 }
1091 fprintf_filtered (stream, "}");
1092 }
1093 break;
1094
1095 case TYPE_CODE_VOID:
1096 fprintf_filtered (stream, "void");
1097 break;
1098
1099 case TYPE_CODE_UNDEF:
1100 fprintf_filtered (stream, "struct <unknown>");
1101 break;
1102
1103 case TYPE_CODE_ERROR:
1104 fprintf_filtered (stream, "<unknown type>");
1105 break;
1106
1107 case TYPE_CODE_RANGE:
1108 /* This should not occur */
1109 fprintf_filtered (stream, "<range type>");
1110 break;
1111
1112 case TYPE_CODE_TEMPLATE:
1113 /* Called on "ptype t" where "t" is a template.
1114 Prints the template header (with args), e.g.:
c5aa993b 1115 template <class T1, class T2> class "
c906108c
SS
1116 and then merges with the struct/union/class code to
1117 print the rest of the definition. */
47663de5 1118 c_type_print_modifier (type, stream, 0, 1);
c906108c 1119 fprintf_filtered (stream, "template <");
c5aa993b
JM
1120 for (i = 0; i < TYPE_NTEMPLATE_ARGS (type); i++)
1121 {
1122 struct template_arg templ_arg;
1123 templ_arg = TYPE_TEMPLATE_ARG (type, i);
1124 fprintf_filtered (stream, "class %s", templ_arg.name);
1125 if (i < TYPE_NTEMPLATE_ARGS (type) - 1)
1126 fprintf_filtered (stream, ", ");
1127 }
c906108c
SS
1128 fprintf_filtered (stream, "> class ");
1129 /* Yuck, factor this out to a subroutine so we can call
1130 it and return to the point marked with the "goback:" label... - RT */
c5aa993b
JM
1131 goto struct_union;
1132 go_back:
1133 if (TYPE_NINSTANTIATIONS (type) > 0)
1134 {
1135 fprintf_filtered (stream, "\ntemplate instantiations:\n");
1136 for (i = 0; i < TYPE_NINSTANTIATIONS (type); i++)
1137 {
1138 fprintf_filtered (stream, " ");
1139 c_type_print_base (TYPE_INSTANTIATION (type, i), stream, 0, level);
1140 if (i < TYPE_NINSTANTIATIONS (type) - 1)
1141 fprintf_filtered (stream, "\n");
1142 }
1143 }
c906108c 1144 break;
c5aa993b 1145
c906108c
SS
1146 default:
1147 /* Handle types not explicitly handled by the other cases,
c5aa993b
JM
1148 such as fundamental types. For these, just print whatever
1149 the type name is, as recorded in the type itself. If there
1150 is no type name, then complain. */
c906108c
SS
1151 if (TYPE_NAME (type) != NULL)
1152 {
47663de5 1153 c_type_print_modifier (type, stream, 0, 1);
c906108c
SS
1154 fputs_filtered (TYPE_NAME (type), stream);
1155 }
1156 else
1157 {
1158 /* At least for dump_symtab, it is important that this not be
1159 an error (). */
1160 fprintf_filtered (stream, "<invalid type code %d>",
1161 TYPE_CODE (type));
1162 }
1163 break;
1164 }
1165}