Commit | Line | Data |
---|---|---|
a8a69e63 | 1 | /* Support for printing C and C++ types for GDB, the GNU debugger. |
81afee37 | 2 | Copyright 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996 |
84bdfea6 | 3 | Free Software Foundation, Inc. |
a8a69e63 FF |
4 | |
5 | This file is part of GDB. | |
6 | ||
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 | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
6c9638b4 | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
a8a69e63 FF |
20 | |
21 | #include "defs.h" | |
22 | #include "obstack.h" | |
23 | #include "bfd.h" /* Binary File Description */ | |
24 | #include "symtab.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "expression.h" | |
27 | #include "value.h" | |
28 | #include "gdbcore.h" | |
29 | #include "target.h" | |
30 | #include "command.h" | |
31 | #include "gdbcmd.h" | |
32 | #include "language.h" | |
33 | #include "demangle.h" | |
34 | #include "c-lang.h" | |
35 | #include "typeprint.h" | |
36 | ||
2b576293 | 37 | #include "gdb_string.h" |
a8a69e63 | 38 | #include <errno.h> |
4c664b8d | 39 | #include <ctype.h> |
a8a69e63 | 40 | |
a8a69e63 | 41 | static void |
199b2450 | 42 | c_type_print_args PARAMS ((struct type *, GDB_FILE *)); |
a8a69e63 FF |
43 | |
44 | static void | |
199b2450 | 45 | c_type_print_varspec_suffix PARAMS ((struct type *, GDB_FILE *, int, int, int)); |
a8a69e63 FF |
46 | |
47 | static void | |
199b2450 | 48 | cp_type_print_derivation_info PARAMS ((GDB_FILE *, struct type *)); |
a8a69e63 FF |
49 | |
50 | void | |
199b2450 | 51 | c_type_print_varspec_prefix PARAMS ((struct type *, GDB_FILE *, int, int)); |
a8a69e63 | 52 | |
a8a69e63 FF |
53 | \f |
54 | /* Print a description of a type in the format of a | |
55 | typedef for the current language. | |
56 | NEW is the new name for a type TYPE. */ | |
57 | ||
58 | void | |
59 | c_typedef_print (type, new, stream) | |
60 | struct type *type; | |
61 | struct symbol *new; | |
199b2450 | 62 | GDB_FILE *stream; |
a8a69e63 | 63 | { |
5e548861 | 64 | CHECK_TYPEDEF (type); |
a8a69e63 FF |
65 | switch (current_language->la_language) |
66 | { | |
67 | #ifdef _LANG_c | |
68 | case language_c: | |
69 | case language_cplus: | |
70 | fprintf_filtered(stream, "typedef "); | |
71 | type_print(type,"",stream,0); | |
72 | if(TYPE_NAME ((SYMBOL_TYPE (new))) == 0 | |
2e4964ad FF |
73 | || !STREQ (TYPE_NAME ((SYMBOL_TYPE (new))), SYMBOL_NAME (new))) |
74 | fprintf_filtered(stream, " %s", SYMBOL_SOURCE_NAME(new)); | |
a8a69e63 FF |
75 | break; |
76 | #endif | |
77 | #ifdef _LANG_m2 | |
78 | case language_m2: | |
79 | fprintf_filtered(stream, "TYPE "); | |
80 | if(!TYPE_NAME(SYMBOL_TYPE(new)) || | |
2e4964ad FF |
81 | !STREQ (TYPE_NAME(SYMBOL_TYPE(new)), SYMBOL_NAME(new))) |
82 | fprintf_filtered(stream, "%s = ", SYMBOL_SOURCE_NAME(new)); | |
a8a69e63 FF |
83 | else |
84 | fprintf_filtered(stream, "<builtin> = "); | |
85 | type_print(type,"",stream,0); | |
86 | break; | |
87 | #endif | |
a8a69e63 FF |
88 | #ifdef _LANG_chill |
89 | case language_chill: | |
6a2eecac PB |
90 | fprintf_filtered(stream, "SYNMODE "); |
91 | if(!TYPE_NAME(SYMBOL_TYPE(new)) || | |
92 | !STREQ (TYPE_NAME(SYMBOL_TYPE(new)), SYMBOL_NAME(new))) | |
93 | fprintf_filtered(stream, "%s = ", SYMBOL_SOURCE_NAME(new)); | |
94 | else | |
95 | fprintf_filtered(stream, "<builtin> = "); | |
96 | type_print(type,"",stream,0); | |
97 | break; | |
a8a69e63 | 98 | #endif |
a8a69e63 FF |
99 | default: |
100 | error("Language not supported."); | |
101 | } | |
102 | fprintf_filtered(stream, ";\n"); | |
103 | } | |
104 | ||
105 | ||
106 | /* LEVEL is the depth to indent lines by. */ | |
107 | ||
108 | void | |
109 | c_print_type (type, varstring, stream, show, level) | |
110 | struct type *type; | |
111 | char *varstring; | |
199b2450 | 112 | GDB_FILE *stream; |
a8a69e63 FF |
113 | int show; |
114 | int level; | |
115 | { | |
116 | register enum type_code code; | |
a8a69e63 FF |
117 | int demangled_args; |
118 | ||
5e548861 PB |
119 | if (show > 0) |
120 | CHECK_TYPEDEF (type); | |
121 | ||
a8a69e63 FF |
122 | c_type_print_base (type, stream, show, level); |
123 | code = TYPE_CODE (type); | |
124 | if ((varstring != NULL && *varstring != '\0') | |
125 | || | |
126 | /* Need a space if going to print stars or brackets; | |
127 | but not if we will print just a type name. */ | |
128 | ((show > 0 || TYPE_NAME (type) == 0) | |
129 | && | |
130 | (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | |
131 | || code == TYPE_CODE_METHOD | |
132 | || code == TYPE_CODE_ARRAY | |
133 | || code == TYPE_CODE_MEMBER | |
134 | || code == TYPE_CODE_REF))) | |
135 | fputs_filtered (" ", stream); | |
136 | c_type_print_varspec_prefix (type, stream, show, 0); | |
137 | ||
433732f2 SG |
138 | if (varstring != NULL) |
139 | { | |
140 | fputs_filtered (varstring, stream); | |
a8a69e63 | 141 | |
433732f2 SG |
142 | /* For demangled function names, we have the arglist as part of the name, |
143 | so don't print an additional pair of ()'s */ | |
a8a69e63 | 144 | |
433732f2 SG |
145 | demangled_args = strchr(varstring, '(') != NULL; |
146 | c_type_print_varspec_suffix (type, stream, show, 0, demangled_args); | |
147 | } | |
a8a69e63 | 148 | } |
a8a69e63 FF |
149 | |
150 | /* If TYPE is a derived type, then print out derivation information. | |
151 | Print only the actual base classes of this type, not the base classes | |
152 | of the base classes. I.E. for the derivation hierarchy: | |
153 | ||
154 | class A { int a; }; | |
155 | class B : public A {int b; }; | |
156 | class C : public B {int c; }; | |
157 | ||
158 | Print the type of class C as: | |
159 | ||
160 | class C : public B { | |
161 | int c; | |
162 | } | |
163 | ||
164 | Not as the following (like gdb used to), which is not legal C++ syntax for | |
165 | derived types and may be confused with the multiple inheritance form: | |
166 | ||
167 | class C : public B : public A { | |
168 | int c; | |
169 | } | |
170 | ||
171 | In general, gdb should try to print the types as closely as possible to | |
172 | the form that they appear in the source code. */ | |
173 | ||
174 | static void | |
175 | cp_type_print_derivation_info (stream, type) | |
199b2450 | 176 | GDB_FILE *stream; |
a8a69e63 FF |
177 | struct type *type; |
178 | { | |
179 | char *name; | |
180 | int i; | |
181 | ||
182 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) | |
183 | { | |
184 | fputs_filtered (i == 0 ? ": " : ", ", stream); | |
185 | fprintf_filtered (stream, "%s%s ", | |
186 | BASETYPE_VIA_PUBLIC (type, i) ? "public" : "private", | |
187 | BASETYPE_VIA_VIRTUAL(type, i) ? " virtual" : ""); | |
188 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); | |
189 | fprintf_filtered (stream, "%s", name ? name : "(null)"); | |
190 | } | |
191 | if (i > 0) | |
192 | { | |
193 | fputs_filtered (" ", stream); | |
194 | } | |
195 | } | |
196 | ||
197 | /* Print any asterisks or open-parentheses needed before the | |
198 | variable name (to describe its type). | |
199 | ||
200 | On outermost call, pass 0 for PASSED_A_PTR. | |
201 | On outermost call, SHOW > 0 means should ignore | |
202 | any typename for TYPE and show its details. | |
203 | SHOW is always zero on recursive calls. */ | |
204 | ||
205 | void | |
206 | c_type_print_varspec_prefix (type, stream, show, passed_a_ptr) | |
207 | struct type *type; | |
199b2450 | 208 | GDB_FILE *stream; |
a8a69e63 FF |
209 | int show; |
210 | int passed_a_ptr; | |
211 | { | |
212 | char *name; | |
213 | if (type == 0) | |
214 | return; | |
215 | ||
216 | if (TYPE_NAME (type) && show <= 0) | |
217 | return; | |
218 | ||
219 | QUIT; | |
220 | ||
221 | switch (TYPE_CODE (type)) | |
222 | { | |
223 | case TYPE_CODE_PTR: | |
224 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
225 | fprintf_filtered (stream, "*"); | |
226 | break; | |
227 | ||
228 | case TYPE_CODE_MEMBER: | |
229 | if (passed_a_ptr) | |
230 | fprintf_filtered (stream, "("); | |
231 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
232 | fprintf_filtered (stream, " "); | |
233 | name = type_name_no_tag (TYPE_DOMAIN_TYPE (type)); | |
234 | if (name) | |
235 | fputs_filtered (name, stream); | |
236 | else | |
237 | c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); | |
238 | fprintf_filtered (stream, "::"); | |
239 | break; | |
240 | ||
241 | case TYPE_CODE_METHOD: | |
242 | if (passed_a_ptr) | |
a46d92a7 | 243 | fprintf_filtered (stream, "("); |
a8a69e63 FF |
244 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
245 | if (passed_a_ptr) | |
246 | { | |
247 | fprintf_filtered (stream, " "); | |
248 | c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); | |
249 | fprintf_filtered (stream, "::"); | |
250 | } | |
251 | break; | |
252 | ||
253 | case TYPE_CODE_REF: | |
254 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
255 | fprintf_filtered (stream, "&"); | |
256 | break; | |
257 | ||
258 | case TYPE_CODE_FUNC: | |
259 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
260 | if (passed_a_ptr) | |
261 | fprintf_filtered (stream, "("); | |
262 | break; | |
263 | ||
264 | case TYPE_CODE_ARRAY: | |
265 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
266 | if (passed_a_ptr) | |
267 | fprintf_filtered (stream, "("); | |
268 | break; | |
269 | ||
270 | case TYPE_CODE_UNDEF: | |
271 | case TYPE_CODE_STRUCT: | |
272 | case TYPE_CODE_UNION: | |
273 | case TYPE_CODE_ENUM: | |
274 | case TYPE_CODE_INT: | |
275 | case TYPE_CODE_FLT: | |
276 | case TYPE_CODE_VOID: | |
277 | case TYPE_CODE_ERROR: | |
278 | case TYPE_CODE_CHAR: | |
279 | case TYPE_CODE_BOOL: | |
280 | case TYPE_CODE_SET: | |
281 | case TYPE_CODE_RANGE: | |
c4413e2c | 282 | case TYPE_CODE_STRING: |
72cd0384 | 283 | case TYPE_CODE_BITSTRING: |
22d7f91e | 284 | case TYPE_CODE_COMPLEX: |
5e548861 | 285 | case TYPE_CODE_TYPEDEF: |
a8a69e63 FF |
286 | /* These types need no prefix. They are listed here so that |
287 | gcc -Wall will reveal any types that haven't been handled. */ | |
288 | break; | |
289 | } | |
290 | } | |
291 | ||
292 | static void | |
293 | c_type_print_args (type, stream) | |
294 | struct type *type; | |
199b2450 | 295 | GDB_FILE *stream; |
a8a69e63 FF |
296 | { |
297 | int i; | |
298 | struct type **args; | |
299 | ||
300 | fprintf_filtered (stream, "("); | |
301 | args = TYPE_ARG_TYPES (type); | |
302 | if (args != NULL) | |
303 | { | |
304 | if (args[1] == NULL) | |
305 | { | |
306 | fprintf_filtered (stream, "..."); | |
307 | } | |
308 | else | |
309 | { | |
310 | for (i = 1; | |
311 | args[i] != NULL && args[i]->code != TYPE_CODE_VOID; | |
312 | i++) | |
313 | { | |
314 | c_print_type (args[i], "", stream, -1, 0); | |
315 | if (args[i+1] == NULL) | |
316 | { | |
317 | fprintf_filtered (stream, "..."); | |
318 | } | |
319 | else if (args[i+1]->code != TYPE_CODE_VOID) | |
320 | { | |
321 | fprintf_filtered (stream, ","); | |
322 | wrap_here (" "); | |
323 | } | |
324 | } | |
325 | } | |
326 | } | |
327 | fprintf_filtered (stream, ")"); | |
328 | } | |
329 | ||
330 | /* Print any array sizes, function arguments or close parentheses | |
331 | needed after the variable name (to describe its type). | |
332 | Args work like c_type_print_varspec_prefix. */ | |
333 | ||
334 | static void | |
335 | c_type_print_varspec_suffix (type, stream, show, passed_a_ptr, demangled_args) | |
336 | struct type *type; | |
199b2450 | 337 | GDB_FILE *stream; |
a8a69e63 FF |
338 | int show; |
339 | int passed_a_ptr; | |
340 | int demangled_args; | |
341 | { | |
342 | if (type == 0) | |
343 | return; | |
344 | ||
345 | if (TYPE_NAME (type) && show <= 0) | |
346 | return; | |
347 | ||
348 | QUIT; | |
349 | ||
350 | switch (TYPE_CODE (type)) | |
351 | { | |
352 | case TYPE_CODE_ARRAY: | |
353 | if (passed_a_ptr) | |
354 | fprintf_filtered (stream, ")"); | |
355 | ||
356 | fprintf_filtered (stream, "["); | |
fda36387 PB |
357 | if (TYPE_LENGTH (type) >= 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0 |
358 | && TYPE_ARRAY_UPPER_BOUND_TYPE(type) != BOUND_CANNOT_BE_DETERMINED) | |
a8a69e63 FF |
359 | fprintf_filtered (stream, "%d", |
360 | (TYPE_LENGTH (type) | |
361 | / TYPE_LENGTH (TYPE_TARGET_TYPE (type)))); | |
362 | fprintf_filtered (stream, "]"); | |
363 | ||
364 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
365 | break; | |
366 | ||
367 | case TYPE_CODE_MEMBER: | |
368 | if (passed_a_ptr) | |
369 | fprintf_filtered (stream, ")"); | |
370 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
371 | break; | |
372 | ||
373 | case TYPE_CODE_METHOD: | |
374 | if (passed_a_ptr) | |
375 | fprintf_filtered (stream, ")"); | |
376 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
377 | if (passed_a_ptr) | |
378 | { | |
379 | c_type_print_args (type, stream); | |
380 | } | |
381 | break; | |
382 | ||
383 | case TYPE_CODE_PTR: | |
384 | case TYPE_CODE_REF: | |
385 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0); | |
386 | break; | |
387 | ||
388 | case TYPE_CODE_FUNC: | |
a8a69e63 FF |
389 | if (passed_a_ptr) |
390 | fprintf_filtered (stream, ")"); | |
391 | if (!demangled_args) | |
27202b6a PB |
392 | { int i, len = TYPE_NFIELDS (type); |
393 | fprintf_filtered (stream, "("); | |
394 | for (i = 0; i < len; i++) | |
395 | { | |
396 | if (i > 0) | |
397 | { | |
398 | fputs_filtered (", ", stream); | |
399 | wrap_here (" "); | |
400 | } | |
401 | c_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0); | |
402 | } | |
403 | fprintf_filtered (stream, ")"); | |
404 | } | |
dac317dc JK |
405 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
406 | passed_a_ptr, 0); | |
a8a69e63 FF |
407 | break; |
408 | ||
409 | case TYPE_CODE_UNDEF: | |
410 | case TYPE_CODE_STRUCT: | |
411 | case TYPE_CODE_UNION: | |
412 | case TYPE_CODE_ENUM: | |
413 | case TYPE_CODE_INT: | |
414 | case TYPE_CODE_FLT: | |
415 | case TYPE_CODE_VOID: | |
416 | case TYPE_CODE_ERROR: | |
417 | case TYPE_CODE_CHAR: | |
418 | case TYPE_CODE_BOOL: | |
419 | case TYPE_CODE_SET: | |
420 | case TYPE_CODE_RANGE: | |
c4413e2c | 421 | case TYPE_CODE_STRING: |
72cd0384 | 422 | case TYPE_CODE_BITSTRING: |
22d7f91e | 423 | case TYPE_CODE_COMPLEX: |
5e548861 | 424 | case TYPE_CODE_TYPEDEF: |
a8a69e63 FF |
425 | /* These types do not need a suffix. They are listed so that |
426 | gcc -Wall will report types that may not have been considered. */ | |
427 | break; | |
428 | } | |
429 | } | |
430 | ||
431 | /* Print the name of the type (or the ultimate pointer target, | |
432 | function value or array element), or the description of a | |
433 | structure or union. | |
434 | ||
875fc229 JK |
435 | SHOW positive means print details about the type (e.g. enum values), |
436 | and print structure elements passing SHOW - 1 for show. | |
0e4ad984 | 437 | SHOW negative means just print the type name or struct tag if there is one. |
875fc229 JK |
438 | If there is no name, print something sensible but concise like |
439 | "struct {...}". | |
0e4ad984 JK |
440 | SHOW zero means just print the type name or struct tag if there is one. |
441 | If there is no name, print something sensible but not as concise like | |
442 | "struct {int x; int y;}". | |
875fc229 JK |
443 | |
444 | LEVEL is the number of spaces to indent by. | |
a8a69e63 FF |
445 | We increase it for some recursive calls. */ |
446 | ||
447 | void | |
448 | c_type_print_base (type, stream, show, level) | |
449 | struct type *type; | |
199b2450 | 450 | GDB_FILE *stream; |
a8a69e63 FF |
451 | int show; |
452 | int level; | |
453 | { | |
a8a69e63 FF |
454 | register int i; |
455 | register int len; | |
456 | register int lastval; | |
457 | char *mangled_name; | |
458 | char *demangled_name; | |
459 | enum {s_none, s_public, s_private, s_protected} section_type; | |
460 | QUIT; | |
461 | ||
462 | wrap_here (" "); | |
463 | if (type == NULL) | |
464 | { | |
465 | fputs_filtered ("<type unknown>", stream); | |
466 | return; | |
467 | } | |
468 | ||
469 | /* When SHOW is zero or less, and there is a valid type name, then always | |
b2bebdb0 JK |
470 | just print the type name directly from the type. */ |
471 | /* If we have "typedef struct foo {. . .} bar;" do we want to print it | |
472 | as "struct foo" or as "bar"? Pick the latter, because C++ folk tend | |
473 | to expect things like "class5 *foo" rather than "struct class5 *foo". */ | |
a8a69e63 | 474 | |
b2bebdb0 JK |
475 | if (show <= 0 |
476 | && TYPE_NAME (type) != NULL) | |
a8a69e63 FF |
477 | { |
478 | fputs_filtered (TYPE_NAME (type), stream); | |
479 | return; | |
480 | } | |
481 | ||
5e548861 | 482 | CHECK_TYPEDEF (type); |
dda398c3 | 483 | |
a8a69e63 FF |
484 | switch (TYPE_CODE (type)) |
485 | { | |
5e548861 | 486 | case TYPE_CODE_TYPEDEF: |
a8a69e63 FF |
487 | case TYPE_CODE_ARRAY: |
488 | case TYPE_CODE_PTR: | |
489 | case TYPE_CODE_MEMBER: | |
490 | case TYPE_CODE_REF: | |
491 | case TYPE_CODE_FUNC: | |
492 | case TYPE_CODE_METHOD: | |
493 | c_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
494 | break; | |
495 | ||
496 | case TYPE_CODE_STRUCT: | |
8789d972 JK |
497 | if (HAVE_CPLUS_STRUCT (type)) |
498 | { | |
8789d972 | 499 | fprintf_filtered (stream, "class "); |
8789d972 JK |
500 | } |
501 | else | |
502 | { | |
503 | fprintf_filtered (stream, "struct "); | |
8789d972 | 504 | } |
a8a69e63 FF |
505 | goto struct_union; |
506 | ||
507 | case TYPE_CODE_UNION: | |
508 | fprintf_filtered (stream, "union "); | |
b2bebdb0 JK |
509 | |
510 | struct_union: | |
511 | if (TYPE_TAG_NAME (type) != NULL) | |
8789d972 | 512 | { |
b2bebdb0 JK |
513 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
514 | if (show > 0) | |
515 | fputs_filtered (" ", stream); | |
8789d972 | 516 | } |
8789d972 | 517 | wrap_here (" "); |
0e4ad984 | 518 | if (show < 0) |
b2bebdb0 JK |
519 | { |
520 | /* If we just printed a tag name, no need to print anything else. */ | |
521 | if (TYPE_TAG_NAME (type) == NULL) | |
522 | fprintf_filtered (stream, "{...}"); | |
523 | } | |
0e4ad984 | 524 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
a8a69e63 | 525 | { |
a8a69e63 FF |
526 | cp_type_print_derivation_info (stream, type); |
527 | ||
528 | fprintf_filtered (stream, "{\n"); | |
529 | if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0)) | |
530 | { | |
531 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) | |
532 | fprintfi_filtered (level + 4, stream, "<incomplete type>\n"); | |
533 | else | |
534 | fprintfi_filtered (level + 4, stream, "<no data fields>\n"); | |
535 | } | |
536 | ||
537 | /* Start off with no specific section type, so we can print | |
538 | one for the first field we find, and use that section type | |
539 | thereafter until we find another type. */ | |
540 | ||
541 | section_type = s_none; | |
542 | ||
543 | /* If there is a base class for this type, | |
544 | do not print the field that it occupies. */ | |
545 | ||
546 | len = TYPE_NFIELDS (type); | |
547 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) | |
548 | { | |
549 | QUIT; | |
550 | /* Don't print out virtual function table. */ | |
81afee37 FF |
551 | if (STREQN (TYPE_FIELD_NAME (type, i), "_vptr", 5) |
552 | && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5])) | |
a8a69e63 FF |
553 | continue; |
554 | ||
555 | /* If this is a C++ class we can print the various C++ section | |
556 | labels. */ | |
557 | ||
558 | if (HAVE_CPLUS_STRUCT (type)) | |
559 | { | |
560 | if (TYPE_FIELD_PROTECTED (type, i)) | |
561 | { | |
562 | if (section_type != s_protected) | |
563 | { | |
564 | section_type = s_protected; | |
565 | fprintfi_filtered (level + 2, stream, | |
566 | "protected:\n"); | |
567 | } | |
568 | } | |
569 | else if (TYPE_FIELD_PRIVATE (type, i)) | |
570 | { | |
571 | if (section_type != s_private) | |
572 | { | |
573 | section_type = s_private; | |
574 | fprintfi_filtered (level + 2, stream, "private:\n"); | |
575 | } | |
576 | } | |
577 | else | |
578 | { | |
579 | if (section_type != s_public) | |
580 | { | |
581 | section_type = s_public; | |
582 | fprintfi_filtered (level + 2, stream, "public:\n"); | |
583 | } | |
584 | } | |
585 | } | |
586 | ||
587 | print_spaces_filtered (level + 4, stream); | |
588 | if (TYPE_FIELD_STATIC (type, i)) | |
589 | { | |
590 | fprintf_filtered (stream, "static "); | |
591 | } | |
592 | c_print_type (TYPE_FIELD_TYPE (type, i), | |
593 | TYPE_FIELD_NAME (type, i), | |
594 | stream, show - 1, level + 4); | |
595 | if (!TYPE_FIELD_STATIC (type, i) | |
596 | && TYPE_FIELD_PACKED (type, i)) | |
597 | { | |
598 | /* It is a bitfield. This code does not attempt | |
599 | to look at the bitpos and reconstruct filler, | |
600 | unnamed fields. This would lead to misleading | |
601 | results if the compiler does not put out fields | |
602 | for such things (I don't know what it does). */ | |
603 | fprintf_filtered (stream, " : %d", | |
604 | TYPE_FIELD_BITSIZE (type, i)); | |
605 | } | |
606 | fprintf_filtered (stream, ";\n"); | |
607 | } | |
608 | ||
609 | /* If there are both fields and methods, put a space between. */ | |
610 | len = TYPE_NFN_FIELDS (type); | |
611 | if (len && section_type != s_none) | |
612 | fprintf_filtered (stream, "\n"); | |
613 | ||
614 | /* C++: print out the methods */ | |
615 | ||
616 | for (i = 0; i < len; i++) | |
617 | { | |
618 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
619 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
620 | char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); | |
b2bebdb0 | 621 | char *name = type_name_no_tag (type); |
2e4964ad | 622 | int is_constructor = name && STREQ(method_name, name); |
a8a69e63 FF |
623 | for (j = 0; j < len2; j++) |
624 | { | |
4c664b8d PS |
625 | char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); |
626 | int is_full_physname_constructor = | |
a46d92a7 PS |
627 | ((physname[0] == '_' && physname[1] == '_' |
628 | && strchr ("0123456789Qt", physname[2])) | |
629 | || STREQN (physname, "__ct__", 6) | |
630 | || DESTRUCTOR_PREFIX_P (physname) | |
631 | || STREQN (physname, "__dt__", 6)); | |
4c664b8d | 632 | |
a8a69e63 FF |
633 | QUIT; |
634 | if (TYPE_FN_FIELD_PROTECTED (f, j)) | |
635 | { | |
636 | if (section_type != s_protected) | |
637 | { | |
638 | section_type = s_protected; | |
639 | fprintfi_filtered (level + 2, stream, | |
640 | "protected:\n"); | |
641 | } | |
642 | } | |
643 | else if (TYPE_FN_FIELD_PRIVATE (f, j)) | |
644 | { | |
645 | if (section_type != s_private) | |
646 | { | |
647 | section_type = s_private; | |
648 | fprintfi_filtered (level + 2, stream, "private:\n"); | |
649 | } | |
650 | } | |
651 | else | |
652 | { | |
653 | if (section_type != s_public) | |
654 | { | |
655 | section_type = s_public; | |
656 | fprintfi_filtered (level + 2, stream, "public:\n"); | |
657 | } | |
658 | } | |
659 | ||
660 | print_spaces_filtered (level + 4, stream); | |
661 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) | |
662 | fprintf_filtered (stream, "virtual "); | |
663 | else if (TYPE_FN_FIELD_STATIC_P (f, j)) | |
664 | fprintf_filtered (stream, "static "); | |
665 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) | |
666 | { | |
667 | /* Keep GDB from crashing here. */ | |
a46d92a7 | 668 | fprintf_filtered (stream, "<undefined type> %s;\n", |
a8a69e63 FF |
669 | TYPE_FN_FIELD_PHYSNAME (f, j)); |
670 | break; | |
671 | } | |
4c664b8d | 672 | else if (!is_constructor && !is_full_physname_constructor) |
a8a69e63 FF |
673 | { |
674 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), | |
84bdfea6 | 675 | "", stream, -1); |
a8a69e63 FF |
676 | fputs_filtered (" ", stream); |
677 | } | |
678 | if (TYPE_FN_FIELD_STUB (f, j)) | |
a46d92a7 PS |
679 | /* Build something we can demangle. */ |
680 | mangled_name = gdb_mangle_name (type, i, j); | |
681 | else | |
682 | mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j); | |
683 | ||
684 | demangled_name = | |
685 | cplus_demangle (mangled_name, | |
686 | DMGL_ANSI | DMGL_PARAMS); | |
687 | if (demangled_name == NULL) | |
688 | fprintf_filtered (stream, "<badly mangled name '%s'>", | |
689 | mangled_name); | |
690 | else | |
a8a69e63 | 691 | { |
a46d92a7 PS |
692 | char *demangled_no_class = |
693 | strchr (demangled_name, ':'); | |
694 | ||
695 | if (demangled_no_class == NULL) | |
696 | demangled_no_class = demangled_name; | |
4f9bddb4 | 697 | else |
a8a69e63 | 698 | { |
a46d92a7 PS |
699 | if (*++demangled_no_class == ':') |
700 | ++demangled_no_class; | |
a8a69e63 | 701 | } |
a46d92a7 PS |
702 | fputs_filtered (demangled_no_class, stream); |
703 | free (demangled_name); | |
a8a69e63 | 704 | } |
a46d92a7 PS |
705 | |
706 | if (TYPE_FN_FIELD_STUB (f, j)) | |
707 | free (mangled_name); | |
a8a69e63 FF |
708 | |
709 | fprintf_filtered (stream, ";\n"); | |
710 | } | |
711 | } | |
712 | ||
713 | fprintfi_filtered (level, stream, "}"); | |
714 | } | |
715 | break; | |
716 | ||
717 | case TYPE_CODE_ENUM: | |
718 | fprintf_filtered (stream, "enum "); | |
b2bebdb0 | 719 | if (TYPE_TAG_NAME (type) != NULL) |
a8a69e63 | 720 | { |
b2bebdb0 JK |
721 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
722 | if (show > 0) | |
723 | fputs_filtered (" ", stream); | |
a8a69e63 | 724 | } |
8789d972 | 725 | |
a8a69e63 | 726 | wrap_here (" "); |
0e4ad984 | 727 | if (show < 0) |
b2bebdb0 JK |
728 | { |
729 | /* If we just printed a tag name, no need to print anything else. */ | |
730 | if (TYPE_TAG_NAME (type) == NULL) | |
731 | fprintf_filtered (stream, "{...}"); | |
732 | } | |
0e4ad984 | 733 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
a8a69e63 FF |
734 | { |
735 | fprintf_filtered (stream, "{"); | |
736 | len = TYPE_NFIELDS (type); | |
737 | lastval = 0; | |
738 | for (i = 0; i < len; i++) | |
739 | { | |
740 | QUIT; | |
741 | if (i) fprintf_filtered (stream, ", "); | |
742 | wrap_here (" "); | |
743 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
744 | if (lastval != TYPE_FIELD_BITPOS (type, i)) | |
745 | { | |
746 | fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i)); | |
747 | lastval = TYPE_FIELD_BITPOS (type, i); | |
748 | } | |
749 | lastval++; | |
750 | } | |
751 | fprintf_filtered (stream, "}"); | |
752 | } | |
753 | break; | |
754 | ||
755 | case TYPE_CODE_VOID: | |
756 | fprintf_filtered (stream, "void"); | |
757 | break; | |
758 | ||
759 | case TYPE_CODE_UNDEF: | |
760 | fprintf_filtered (stream, "struct <unknown>"); | |
761 | break; | |
762 | ||
763 | case TYPE_CODE_ERROR: | |
764 | fprintf_filtered (stream, "<unknown type>"); | |
765 | break; | |
766 | ||
767 | case TYPE_CODE_RANGE: | |
768 | /* This should not occur */ | |
769 | fprintf_filtered (stream, "<range type>"); | |
770 | break; | |
771 | ||
772 | default: | |
773 | /* Handle types not explicitly handled by the other cases, | |
774 | such as fundamental types. For these, just print whatever | |
775 | the type name is, as recorded in the type itself. If there | |
776 | is no type name, then complain. */ | |
777 | if (TYPE_NAME (type) != NULL) | |
778 | { | |
779 | fputs_filtered (TYPE_NAME (type), stream); | |
780 | } | |
781 | else | |
782 | { | |
fd09c963 JK |
783 | /* At least for dump_symtab, it is important that this not be |
784 | an error (). */ | |
785 | fprintf_filtered (stream, "<invalid type code %d>", | |
786 | TYPE_CODE (type)); | |
a8a69e63 FF |
787 | } |
788 | break; | |
789 | } | |
790 | } | |
791 |