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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 | ||
2e4964ad | 138 | fputs_filtered (varstring, stream); |
a8a69e63 FF |
139 | |
140 | /* For demangled function names, we have the arglist as part of the name, | |
141 | so don't print an additional pair of ()'s */ | |
142 | ||
f3806e3b | 143 | demangled_args = strchr(varstring, '(') != NULL; |
a8a69e63 FF |
144 | c_type_print_varspec_suffix (type, stream, show, 0, demangled_args); |
145 | ||
a8a69e63 | 146 | } |
a8a69e63 FF |
147 | |
148 | /* If TYPE is a derived type, then print out derivation information. | |
149 | Print only the actual base classes of this type, not the base classes | |
150 | of the base classes. I.E. for the derivation hierarchy: | |
151 | ||
152 | class A { int a; }; | |
153 | class B : public A {int b; }; | |
154 | class C : public B {int c; }; | |
155 | ||
156 | Print the type of class C as: | |
157 | ||
158 | class C : public B { | |
159 | int c; | |
160 | } | |
161 | ||
162 | Not as the following (like gdb used to), which is not legal C++ syntax for | |
163 | derived types and may be confused with the multiple inheritance form: | |
164 | ||
165 | class C : public B : public A { | |
166 | int c; | |
167 | } | |
168 | ||
169 | In general, gdb should try to print the types as closely as possible to | |
170 | the form that they appear in the source code. */ | |
171 | ||
172 | static void | |
173 | cp_type_print_derivation_info (stream, type) | |
199b2450 | 174 | GDB_FILE *stream; |
a8a69e63 FF |
175 | struct type *type; |
176 | { | |
177 | char *name; | |
178 | int i; | |
179 | ||
180 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) | |
181 | { | |
182 | fputs_filtered (i == 0 ? ": " : ", ", stream); | |
183 | fprintf_filtered (stream, "%s%s ", | |
184 | BASETYPE_VIA_PUBLIC (type, i) ? "public" : "private", | |
185 | BASETYPE_VIA_VIRTUAL(type, i) ? " virtual" : ""); | |
186 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); | |
187 | fprintf_filtered (stream, "%s", name ? name : "(null)"); | |
188 | } | |
189 | if (i > 0) | |
190 | { | |
191 | fputs_filtered (" ", stream); | |
192 | } | |
193 | } | |
194 | ||
195 | /* Print any asterisks or open-parentheses needed before the | |
196 | variable name (to describe its type). | |
197 | ||
198 | On outermost call, pass 0 for PASSED_A_PTR. | |
199 | On outermost call, SHOW > 0 means should ignore | |
200 | any typename for TYPE and show its details. | |
201 | SHOW is always zero on recursive calls. */ | |
202 | ||
203 | void | |
204 | c_type_print_varspec_prefix (type, stream, show, passed_a_ptr) | |
205 | struct type *type; | |
199b2450 | 206 | GDB_FILE *stream; |
a8a69e63 FF |
207 | int show; |
208 | int passed_a_ptr; | |
209 | { | |
210 | char *name; | |
211 | if (type == 0) | |
212 | return; | |
213 | ||
214 | if (TYPE_NAME (type) && show <= 0) | |
215 | return; | |
216 | ||
217 | QUIT; | |
218 | ||
219 | switch (TYPE_CODE (type)) | |
220 | { | |
221 | case TYPE_CODE_PTR: | |
222 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
223 | fprintf_filtered (stream, "*"); | |
224 | break; | |
225 | ||
226 | case TYPE_CODE_MEMBER: | |
227 | if (passed_a_ptr) | |
228 | fprintf_filtered (stream, "("); | |
229 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
230 | fprintf_filtered (stream, " "); | |
231 | name = type_name_no_tag (TYPE_DOMAIN_TYPE (type)); | |
232 | if (name) | |
233 | fputs_filtered (name, stream); | |
234 | else | |
235 | c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); | |
236 | fprintf_filtered (stream, "::"); | |
237 | break; | |
238 | ||
239 | case TYPE_CODE_METHOD: | |
240 | if (passed_a_ptr) | |
a46d92a7 | 241 | fprintf_filtered (stream, "("); |
a8a69e63 FF |
242 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); |
243 | if (passed_a_ptr) | |
244 | { | |
245 | fprintf_filtered (stream, " "); | |
246 | c_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); | |
247 | fprintf_filtered (stream, "::"); | |
248 | } | |
249 | break; | |
250 | ||
251 | case TYPE_CODE_REF: | |
252 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
253 | fprintf_filtered (stream, "&"); | |
254 | break; | |
255 | ||
256 | case TYPE_CODE_FUNC: | |
257 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
258 | if (passed_a_ptr) | |
259 | fprintf_filtered (stream, "("); | |
260 | break; | |
261 | ||
262 | case TYPE_CODE_ARRAY: | |
263 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
264 | if (passed_a_ptr) | |
265 | fprintf_filtered (stream, "("); | |
266 | break; | |
267 | ||
268 | case TYPE_CODE_UNDEF: | |
269 | case TYPE_CODE_STRUCT: | |
270 | case TYPE_CODE_UNION: | |
271 | case TYPE_CODE_ENUM: | |
272 | case TYPE_CODE_INT: | |
273 | case TYPE_CODE_FLT: | |
274 | case TYPE_CODE_VOID: | |
275 | case TYPE_CODE_ERROR: | |
276 | case TYPE_CODE_CHAR: | |
277 | case TYPE_CODE_BOOL: | |
278 | case TYPE_CODE_SET: | |
279 | case TYPE_CODE_RANGE: | |
c4413e2c | 280 | case TYPE_CODE_STRING: |
72cd0384 | 281 | case TYPE_CODE_BITSTRING: |
22d7f91e | 282 | case TYPE_CODE_COMPLEX: |
5e548861 | 283 | case TYPE_CODE_TYPEDEF: |
a8a69e63 FF |
284 | /* These types need no prefix. They are listed here so that |
285 | gcc -Wall will reveal any types that haven't been handled. */ | |
286 | break; | |
287 | } | |
288 | } | |
289 | ||
290 | static void | |
291 | c_type_print_args (type, stream) | |
292 | struct type *type; | |
199b2450 | 293 | GDB_FILE *stream; |
a8a69e63 FF |
294 | { |
295 | int i; | |
296 | struct type **args; | |
297 | ||
298 | fprintf_filtered (stream, "("); | |
299 | args = TYPE_ARG_TYPES (type); | |
300 | if (args != NULL) | |
301 | { | |
302 | if (args[1] == NULL) | |
303 | { | |
304 | fprintf_filtered (stream, "..."); | |
305 | } | |
306 | else | |
307 | { | |
308 | for (i = 1; | |
309 | args[i] != NULL && args[i]->code != TYPE_CODE_VOID; | |
310 | i++) | |
311 | { | |
312 | c_print_type (args[i], "", stream, -1, 0); | |
313 | if (args[i+1] == NULL) | |
314 | { | |
315 | fprintf_filtered (stream, "..."); | |
316 | } | |
317 | else if (args[i+1]->code != TYPE_CODE_VOID) | |
318 | { | |
319 | fprintf_filtered (stream, ","); | |
320 | wrap_here (" "); | |
321 | } | |
322 | } | |
323 | } | |
324 | } | |
325 | fprintf_filtered (stream, ")"); | |
326 | } | |
327 | ||
328 | /* Print any array sizes, function arguments or close parentheses | |
329 | needed after the variable name (to describe its type). | |
330 | Args work like c_type_print_varspec_prefix. */ | |
331 | ||
332 | static void | |
333 | c_type_print_varspec_suffix (type, stream, show, passed_a_ptr, demangled_args) | |
334 | struct type *type; | |
199b2450 | 335 | GDB_FILE *stream; |
a8a69e63 FF |
336 | int show; |
337 | int passed_a_ptr; | |
338 | int demangled_args; | |
339 | { | |
340 | if (type == 0) | |
341 | return; | |
342 | ||
343 | if (TYPE_NAME (type) && show <= 0) | |
344 | return; | |
345 | ||
346 | QUIT; | |
347 | ||
348 | switch (TYPE_CODE (type)) | |
349 | { | |
350 | case TYPE_CODE_ARRAY: | |
351 | if (passed_a_ptr) | |
352 | fprintf_filtered (stream, ")"); | |
353 | ||
354 | fprintf_filtered (stream, "["); | |
fda36387 PB |
355 | if (TYPE_LENGTH (type) >= 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0 |
356 | && TYPE_ARRAY_UPPER_BOUND_TYPE(type) != BOUND_CANNOT_BE_DETERMINED) | |
a8a69e63 FF |
357 | fprintf_filtered (stream, "%d", |
358 | (TYPE_LENGTH (type) | |
359 | / TYPE_LENGTH (TYPE_TARGET_TYPE (type)))); | |
360 | fprintf_filtered (stream, "]"); | |
361 | ||
362 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
363 | break; | |
364 | ||
365 | case TYPE_CODE_MEMBER: | |
366 | if (passed_a_ptr) | |
367 | fprintf_filtered (stream, ")"); | |
368 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
369 | break; | |
370 | ||
371 | case TYPE_CODE_METHOD: | |
372 | if (passed_a_ptr) | |
373 | fprintf_filtered (stream, ")"); | |
374 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
375 | if (passed_a_ptr) | |
376 | { | |
377 | c_type_print_args (type, stream); | |
378 | } | |
379 | break; | |
380 | ||
381 | case TYPE_CODE_PTR: | |
382 | case TYPE_CODE_REF: | |
383 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0); | |
384 | break; | |
385 | ||
386 | case TYPE_CODE_FUNC: | |
a8a69e63 FF |
387 | if (passed_a_ptr) |
388 | fprintf_filtered (stream, ")"); | |
389 | if (!demangled_args) | |
27202b6a PB |
390 | { int i, len = TYPE_NFIELDS (type); |
391 | fprintf_filtered (stream, "("); | |
392 | for (i = 0; i < len; i++) | |
393 | { | |
394 | if (i > 0) | |
395 | { | |
396 | fputs_filtered (", ", stream); | |
397 | wrap_here (" "); | |
398 | } | |
399 | c_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0); | |
400 | } | |
401 | fprintf_filtered (stream, ")"); | |
402 | } | |
dac317dc JK |
403 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
404 | passed_a_ptr, 0); | |
a8a69e63 FF |
405 | break; |
406 | ||
407 | case TYPE_CODE_UNDEF: | |
408 | case TYPE_CODE_STRUCT: | |
409 | case TYPE_CODE_UNION: | |
410 | case TYPE_CODE_ENUM: | |
411 | case TYPE_CODE_INT: | |
412 | case TYPE_CODE_FLT: | |
413 | case TYPE_CODE_VOID: | |
414 | case TYPE_CODE_ERROR: | |
415 | case TYPE_CODE_CHAR: | |
416 | case TYPE_CODE_BOOL: | |
417 | case TYPE_CODE_SET: | |
418 | case TYPE_CODE_RANGE: | |
c4413e2c | 419 | case TYPE_CODE_STRING: |
72cd0384 | 420 | case TYPE_CODE_BITSTRING: |
22d7f91e | 421 | case TYPE_CODE_COMPLEX: |
5e548861 | 422 | case TYPE_CODE_TYPEDEF: |
a8a69e63 FF |
423 | /* These types do not need a suffix. They are listed so that |
424 | gcc -Wall will report types that may not have been considered. */ | |
425 | break; | |
426 | } | |
427 | } | |
428 | ||
429 | /* Print the name of the type (or the ultimate pointer target, | |
430 | function value or array element), or the description of a | |
431 | structure or union. | |
432 | ||
875fc229 JK |
433 | SHOW positive means print details about the type (e.g. enum values), |
434 | and print structure elements passing SHOW - 1 for show. | |
0e4ad984 | 435 | SHOW negative means just print the type name or struct tag if there is one. |
875fc229 JK |
436 | If there is no name, print something sensible but concise like |
437 | "struct {...}". | |
0e4ad984 JK |
438 | SHOW zero means just print the type name or struct tag if there is one. |
439 | If there is no name, print something sensible but not as concise like | |
440 | "struct {int x; int y;}". | |
875fc229 JK |
441 | |
442 | LEVEL is the number of spaces to indent by. | |
a8a69e63 FF |
443 | We increase it for some recursive calls. */ |
444 | ||
445 | void | |
446 | c_type_print_base (type, stream, show, level) | |
447 | struct type *type; | |
199b2450 | 448 | GDB_FILE *stream; |
a8a69e63 FF |
449 | int show; |
450 | int level; | |
451 | { | |
a8a69e63 FF |
452 | register int i; |
453 | register int len; | |
454 | register int lastval; | |
455 | char *mangled_name; | |
456 | char *demangled_name; | |
457 | enum {s_none, s_public, s_private, s_protected} section_type; | |
458 | QUIT; | |
459 | ||
460 | wrap_here (" "); | |
461 | if (type == NULL) | |
462 | { | |
463 | fputs_filtered ("<type unknown>", stream); | |
464 | return; | |
465 | } | |
466 | ||
467 | /* When SHOW is zero or less, and there is a valid type name, then always | |
b2bebdb0 JK |
468 | just print the type name directly from the type. */ |
469 | /* If we have "typedef struct foo {. . .} bar;" do we want to print it | |
470 | as "struct foo" or as "bar"? Pick the latter, because C++ folk tend | |
471 | to expect things like "class5 *foo" rather than "struct class5 *foo". */ | |
a8a69e63 | 472 | |
b2bebdb0 JK |
473 | if (show <= 0 |
474 | && TYPE_NAME (type) != NULL) | |
a8a69e63 FF |
475 | { |
476 | fputs_filtered (TYPE_NAME (type), stream); | |
477 | return; | |
478 | } | |
479 | ||
5e548861 | 480 | CHECK_TYPEDEF (type); |
dda398c3 | 481 | |
a8a69e63 FF |
482 | switch (TYPE_CODE (type)) |
483 | { | |
5e548861 | 484 | case TYPE_CODE_TYPEDEF: |
a8a69e63 FF |
485 | case TYPE_CODE_ARRAY: |
486 | case TYPE_CODE_PTR: | |
487 | case TYPE_CODE_MEMBER: | |
488 | case TYPE_CODE_REF: | |
489 | case TYPE_CODE_FUNC: | |
490 | case TYPE_CODE_METHOD: | |
491 | c_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
492 | break; | |
493 | ||
494 | case TYPE_CODE_STRUCT: | |
8789d972 JK |
495 | if (HAVE_CPLUS_STRUCT (type)) |
496 | { | |
8789d972 | 497 | fprintf_filtered (stream, "class "); |
8789d972 JK |
498 | } |
499 | else | |
500 | { | |
501 | fprintf_filtered (stream, "struct "); | |
8789d972 | 502 | } |
a8a69e63 FF |
503 | goto struct_union; |
504 | ||
505 | case TYPE_CODE_UNION: | |
506 | fprintf_filtered (stream, "union "); | |
b2bebdb0 JK |
507 | |
508 | struct_union: | |
509 | if (TYPE_TAG_NAME (type) != NULL) | |
8789d972 | 510 | { |
b2bebdb0 JK |
511 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
512 | if (show > 0) | |
513 | fputs_filtered (" ", stream); | |
8789d972 | 514 | } |
8789d972 | 515 | wrap_here (" "); |
0e4ad984 | 516 | if (show < 0) |
b2bebdb0 JK |
517 | { |
518 | /* If we just printed a tag name, no need to print anything else. */ | |
519 | if (TYPE_TAG_NAME (type) == NULL) | |
520 | fprintf_filtered (stream, "{...}"); | |
521 | } | |
0e4ad984 | 522 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
a8a69e63 | 523 | { |
a8a69e63 FF |
524 | cp_type_print_derivation_info (stream, type); |
525 | ||
526 | fprintf_filtered (stream, "{\n"); | |
527 | if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0)) | |
528 | { | |
529 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) | |
530 | fprintfi_filtered (level + 4, stream, "<incomplete type>\n"); | |
531 | else | |
532 | fprintfi_filtered (level + 4, stream, "<no data fields>\n"); | |
533 | } | |
534 | ||
535 | /* Start off with no specific section type, so we can print | |
536 | one for the first field we find, and use that section type | |
537 | thereafter until we find another type. */ | |
538 | ||
539 | section_type = s_none; | |
540 | ||
541 | /* If there is a base class for this type, | |
542 | do not print the field that it occupies. */ | |
543 | ||
544 | len = TYPE_NFIELDS (type); | |
545 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) | |
546 | { | |
547 | QUIT; | |
548 | /* Don't print out virtual function table. */ | |
81afee37 FF |
549 | if (STREQN (TYPE_FIELD_NAME (type, i), "_vptr", 5) |
550 | && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5])) | |
a8a69e63 FF |
551 | continue; |
552 | ||
553 | /* If this is a C++ class we can print the various C++ section | |
554 | labels. */ | |
555 | ||
556 | if (HAVE_CPLUS_STRUCT (type)) | |
557 | { | |
558 | if (TYPE_FIELD_PROTECTED (type, i)) | |
559 | { | |
560 | if (section_type != s_protected) | |
561 | { | |
562 | section_type = s_protected; | |
563 | fprintfi_filtered (level + 2, stream, | |
564 | "protected:\n"); | |
565 | } | |
566 | } | |
567 | else if (TYPE_FIELD_PRIVATE (type, i)) | |
568 | { | |
569 | if (section_type != s_private) | |
570 | { | |
571 | section_type = s_private; | |
572 | fprintfi_filtered (level + 2, stream, "private:\n"); | |
573 | } | |
574 | } | |
575 | else | |
576 | { | |
577 | if (section_type != s_public) | |
578 | { | |
579 | section_type = s_public; | |
580 | fprintfi_filtered (level + 2, stream, "public:\n"); | |
581 | } | |
582 | } | |
583 | } | |
584 | ||
585 | print_spaces_filtered (level + 4, stream); | |
586 | if (TYPE_FIELD_STATIC (type, i)) | |
587 | { | |
588 | fprintf_filtered (stream, "static "); | |
589 | } | |
590 | c_print_type (TYPE_FIELD_TYPE (type, i), | |
591 | TYPE_FIELD_NAME (type, i), | |
592 | stream, show - 1, level + 4); | |
593 | if (!TYPE_FIELD_STATIC (type, i) | |
594 | && TYPE_FIELD_PACKED (type, i)) | |
595 | { | |
596 | /* It is a bitfield. This code does not attempt | |
597 | to look at the bitpos and reconstruct filler, | |
598 | unnamed fields. This would lead to misleading | |
599 | results if the compiler does not put out fields | |
600 | for such things (I don't know what it does). */ | |
601 | fprintf_filtered (stream, " : %d", | |
602 | TYPE_FIELD_BITSIZE (type, i)); | |
603 | } | |
604 | fprintf_filtered (stream, ";\n"); | |
605 | } | |
606 | ||
607 | /* If there are both fields and methods, put a space between. */ | |
608 | len = TYPE_NFN_FIELDS (type); | |
609 | if (len && section_type != s_none) | |
610 | fprintf_filtered (stream, "\n"); | |
611 | ||
612 | /* C++: print out the methods */ | |
613 | ||
614 | for (i = 0; i < len; i++) | |
615 | { | |
616 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
617 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
618 | char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); | |
b2bebdb0 | 619 | char *name = type_name_no_tag (type); |
2e4964ad | 620 | int is_constructor = name && STREQ(method_name, name); |
a8a69e63 FF |
621 | for (j = 0; j < len2; j++) |
622 | { | |
4c664b8d PS |
623 | char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); |
624 | int is_full_physname_constructor = | |
a46d92a7 PS |
625 | ((physname[0] == '_' && physname[1] == '_' |
626 | && strchr ("0123456789Qt", physname[2])) | |
627 | || STREQN (physname, "__ct__", 6) | |
628 | || DESTRUCTOR_PREFIX_P (physname) | |
629 | || STREQN (physname, "__dt__", 6)); | |
4c664b8d | 630 | |
a8a69e63 FF |
631 | QUIT; |
632 | if (TYPE_FN_FIELD_PROTECTED (f, j)) | |
633 | { | |
634 | if (section_type != s_protected) | |
635 | { | |
636 | section_type = s_protected; | |
637 | fprintfi_filtered (level + 2, stream, | |
638 | "protected:\n"); | |
639 | } | |
640 | } | |
641 | else if (TYPE_FN_FIELD_PRIVATE (f, j)) | |
642 | { | |
643 | if (section_type != s_private) | |
644 | { | |
645 | section_type = s_private; | |
646 | fprintfi_filtered (level + 2, stream, "private:\n"); | |
647 | } | |
648 | } | |
649 | else | |
650 | { | |
651 | if (section_type != s_public) | |
652 | { | |
653 | section_type = s_public; | |
654 | fprintfi_filtered (level + 2, stream, "public:\n"); | |
655 | } | |
656 | } | |
657 | ||
658 | print_spaces_filtered (level + 4, stream); | |
659 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) | |
660 | fprintf_filtered (stream, "virtual "); | |
661 | else if (TYPE_FN_FIELD_STATIC_P (f, j)) | |
662 | fprintf_filtered (stream, "static "); | |
663 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) | |
664 | { | |
665 | /* Keep GDB from crashing here. */ | |
a46d92a7 | 666 | fprintf_filtered (stream, "<undefined type> %s;\n", |
a8a69e63 FF |
667 | TYPE_FN_FIELD_PHYSNAME (f, j)); |
668 | break; | |
669 | } | |
4c664b8d | 670 | else if (!is_constructor && !is_full_physname_constructor) |
a8a69e63 FF |
671 | { |
672 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), | |
84bdfea6 | 673 | "", stream, -1); |
a8a69e63 FF |
674 | fputs_filtered (" ", stream); |
675 | } | |
676 | if (TYPE_FN_FIELD_STUB (f, j)) | |
a46d92a7 PS |
677 | /* Build something we can demangle. */ |
678 | mangled_name = gdb_mangle_name (type, i, j); | |
679 | else | |
680 | mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j); | |
681 | ||
682 | demangled_name = | |
683 | cplus_demangle (mangled_name, | |
684 | DMGL_ANSI | DMGL_PARAMS); | |
685 | if (demangled_name == NULL) | |
686 | fprintf_filtered (stream, "<badly mangled name '%s'>", | |
687 | mangled_name); | |
688 | else | |
a8a69e63 | 689 | { |
a46d92a7 PS |
690 | char *demangled_no_class = |
691 | strchr (demangled_name, ':'); | |
692 | ||
693 | if (demangled_no_class == NULL) | |
694 | demangled_no_class = demangled_name; | |
4f9bddb4 | 695 | else |
a8a69e63 | 696 | { |
a46d92a7 PS |
697 | if (*++demangled_no_class == ':') |
698 | ++demangled_no_class; | |
a8a69e63 | 699 | } |
a46d92a7 PS |
700 | fputs_filtered (demangled_no_class, stream); |
701 | free (demangled_name); | |
a8a69e63 | 702 | } |
a46d92a7 PS |
703 | |
704 | if (TYPE_FN_FIELD_STUB (f, j)) | |
705 | free (mangled_name); | |
a8a69e63 FF |
706 | |
707 | fprintf_filtered (stream, ";\n"); | |
708 | } | |
709 | } | |
710 | ||
711 | fprintfi_filtered (level, stream, "}"); | |
712 | } | |
713 | break; | |
714 | ||
715 | case TYPE_CODE_ENUM: | |
716 | fprintf_filtered (stream, "enum "); | |
b2bebdb0 | 717 | if (TYPE_TAG_NAME (type) != NULL) |
a8a69e63 | 718 | { |
b2bebdb0 JK |
719 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
720 | if (show > 0) | |
721 | fputs_filtered (" ", stream); | |
a8a69e63 | 722 | } |
8789d972 | 723 | |
a8a69e63 | 724 | wrap_here (" "); |
0e4ad984 | 725 | if (show < 0) |
b2bebdb0 JK |
726 | { |
727 | /* If we just printed a tag name, no need to print anything else. */ | |
728 | if (TYPE_TAG_NAME (type) == NULL) | |
729 | fprintf_filtered (stream, "{...}"); | |
730 | } | |
0e4ad984 | 731 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) |
a8a69e63 FF |
732 | { |
733 | fprintf_filtered (stream, "{"); | |
734 | len = TYPE_NFIELDS (type); | |
735 | lastval = 0; | |
736 | for (i = 0; i < len; i++) | |
737 | { | |
738 | QUIT; | |
739 | if (i) fprintf_filtered (stream, ", "); | |
740 | wrap_here (" "); | |
741 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
742 | if (lastval != TYPE_FIELD_BITPOS (type, i)) | |
743 | { | |
744 | fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i)); | |
745 | lastval = TYPE_FIELD_BITPOS (type, i); | |
746 | } | |
747 | lastval++; | |
748 | } | |
749 | fprintf_filtered (stream, "}"); | |
750 | } | |
751 | break; | |
752 | ||
753 | case TYPE_CODE_VOID: | |
754 | fprintf_filtered (stream, "void"); | |
755 | break; | |
756 | ||
757 | case TYPE_CODE_UNDEF: | |
758 | fprintf_filtered (stream, "struct <unknown>"); | |
759 | break; | |
760 | ||
761 | case TYPE_CODE_ERROR: | |
762 | fprintf_filtered (stream, "<unknown type>"); | |
763 | break; | |
764 | ||
765 | case TYPE_CODE_RANGE: | |
766 | /* This should not occur */ | |
767 | fprintf_filtered (stream, "<range type>"); | |
768 | break; | |
769 | ||
770 | default: | |
771 | /* Handle types not explicitly handled by the other cases, | |
772 | such as fundamental types. For these, just print whatever | |
773 | the type name is, as recorded in the type itself. If there | |
774 | is no type name, then complain. */ | |
775 | if (TYPE_NAME (type) != NULL) | |
776 | { | |
777 | fputs_filtered (TYPE_NAME (type), stream); | |
778 | } | |
779 | else | |
780 | { | |
fd09c963 JK |
781 | /* At least for dump_symtab, it is important that this not be |
782 | an error (). */ | |
783 | fprintf_filtered (stream, "<invalid type code %d>", | |
784 | TYPE_CODE (type)); | |
a8a69e63 FF |
785 | } |
786 | break; | |
787 | } | |
788 | } | |
789 |