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c906108c | 1 | /* Support for printing C values for GDB, the GNU debugger. |
1bac305b | 2 | |
b811d2c2 | 3 | Copyright (C) 1986-2020 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
4de283e4 | 21 | #include "symtab.h" |
d55e5aa6 | 22 | #include "gdbtypes.h" |
4de283e4 TT |
23 | #include "expression.h" |
24 | #include "value.h" | |
25 | #include "valprint.h" | |
d55e5aa6 | 26 | #include "language.h" |
4de283e4 TT |
27 | #include "c-lang.h" |
28 | #include "cp-abi.h" | |
d55e5aa6 | 29 | #include "target.h" |
4de283e4 | 30 | #include "objfiles.h" |
c906108c | 31 | \f |
c5aa993b | 32 | |
96c07c5b | 33 | /* A helper for c_textual_element_type. This checks the name of the |
6c7a06a3 TT |
34 | typedef. This is bogus but it isn't apparent that the compiler |
35 | provides us the help we may need. */ | |
36 | ||
37 | static int | |
38 | textual_name (const char *name) | |
39 | { | |
40 | return (!strcmp (name, "wchar_t") | |
41 | || !strcmp (name, "char16_t") | |
42 | || !strcmp (name, "char32_t")); | |
43 | } | |
44 | ||
ea37ba09 DJ |
45 | /* Apply a heuristic to decide whether an array of TYPE or a pointer |
46 | to TYPE should be printed as a textual string. Return non-zero if | |
47 | it should, or zero if it should be treated as an array of integers | |
aff410f1 MS |
48 | or pointer to integers. FORMAT is the current format letter, or 0 |
49 | if none. | |
ea37ba09 DJ |
50 | |
51 | We guess that "char" is a character. Explicitly signed and | |
52 | unsigned character types are also characters. Integer data from | |
53 | vector types is not. The user can override this by using the /s | |
54 | format letter. */ | |
55 | ||
96c07c5b TT |
56 | int |
57 | c_textual_element_type (struct type *type, char format) | |
ea37ba09 | 58 | { |
85e306ed | 59 | struct type *true_type, *iter_type; |
ea37ba09 DJ |
60 | |
61 | if (format != 0 && format != 's') | |
62 | return 0; | |
63 | ||
85e306ed TT |
64 | /* We also rely on this for its side effect of setting up all the |
65 | typedef pointers. */ | |
66 | true_type = check_typedef (type); | |
67 | ||
ea37ba09 DJ |
68 | /* TYPE_CODE_CHAR is always textual. */ |
69 | if (TYPE_CODE (true_type) == TYPE_CODE_CHAR) | |
70 | return 1; | |
85e306ed | 71 | |
6c7a06a3 TT |
72 | /* Any other character-like types must be integral. */ |
73 | if (TYPE_CODE (true_type) != TYPE_CODE_INT) | |
74 | return 0; | |
75 | ||
85e306ed TT |
76 | /* We peel typedefs one by one, looking for a match. */ |
77 | iter_type = type; | |
78 | while (iter_type) | |
79 | { | |
80 | /* Check the name of the type. */ | |
81 | if (TYPE_NAME (iter_type) && textual_name (TYPE_NAME (iter_type))) | |
82 | return 1; | |
83 | ||
84 | if (TYPE_CODE (iter_type) != TYPE_CODE_TYPEDEF) | |
85 | break; | |
86 | ||
87 | /* Peel a single typedef. If the typedef doesn't have a target | |
88 | type, we use check_typedef and hope the result is ok -- it | |
89 | might be for C++, where wchar_t is a built-in type. */ | |
90 | if (TYPE_TARGET_TYPE (iter_type)) | |
91 | iter_type = TYPE_TARGET_TYPE (iter_type); | |
92 | else | |
93 | iter_type = check_typedef (iter_type); | |
94 | } | |
ea37ba09 DJ |
95 | |
96 | if (format == 's') | |
97 | { | |
aff410f1 MS |
98 | /* Print this as a string if we can manage it. For now, no wide |
99 | character support. */ | |
ea37ba09 DJ |
100 | if (TYPE_CODE (true_type) == TYPE_CODE_INT |
101 | && TYPE_LENGTH (true_type) == 1) | |
102 | return 1; | |
103 | } | |
104 | else | |
105 | { | |
106 | /* If a one-byte TYPE_CODE_INT is missing the not-a-character | |
107 | flag, then we treat it as text; otherwise, we assume it's | |
108 | being used as data. */ | |
109 | if (TYPE_CODE (true_type) == TYPE_CODE_INT | |
110 | && TYPE_LENGTH (true_type) == 1 | |
111 | && !TYPE_NOTTEXT (true_type)) | |
112 | return 1; | |
113 | } | |
114 | ||
115 | return 0; | |
116 | } | |
117 | ||
e88acd96 TT |
118 | /* Decorations for C. */ |
119 | ||
120 | static const struct generic_val_print_decorations c_decorations = | |
121 | { | |
122 | "", | |
123 | " + ", | |
981c08ce | 124 | "i", |
e88acd96 TT |
125 | "true", |
126 | "false", | |
00272ec4 TT |
127 | "void", |
128 | "{", | |
129 | "}" | |
e88acd96 TT |
130 | }; |
131 | ||
1033c33c SM |
132 | /* Print a pointer based on the type of its target. |
133 | ||
134 | Arguments to this functions are roughly the same as those in c_val_print. | |
135 | A difference is that ADDRESS is the address to print, with embedded_offset | |
136 | already added. UNRESOLVED_ELTTYPE and ELTTYPE represent the pointed type, | |
137 | respectively before and after check_typedef. */ | |
138 | ||
139 | static void | |
140 | print_unpacked_pointer (struct type *type, struct type *elttype, | |
141 | struct type *unresolved_elttype, | |
142 | const gdb_byte *valaddr, int embedded_offset, | |
143 | CORE_ADDR address, struct ui_file *stream, int recurse, | |
144 | const struct value_print_options *options) | |
145 | { | |
146 | int want_space = 0; | |
147 | struct gdbarch *gdbarch = get_type_arch (type); | |
148 | ||
149 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
150 | { | |
151 | /* Try to print what function it points to. */ | |
152 | print_function_pointer_address (options, gdbarch, address, stream); | |
153 | return; | |
154 | } | |
155 | ||
156 | if (options->symbol_print) | |
157 | want_space = print_address_demangle (options, gdbarch, address, stream, | |
158 | demangle); | |
159 | else if (options->addressprint) | |
160 | { | |
161 | fputs_filtered (paddress (gdbarch, address), stream); | |
162 | want_space = 1; | |
163 | } | |
164 | ||
165 | /* For a pointer to a textual type, also print the string | |
166 | pointed to, unless pointer is null. */ | |
167 | ||
168 | if (c_textual_element_type (unresolved_elttype, options->format) | |
169 | && address != 0) | |
170 | { | |
171 | if (want_space) | |
172 | fputs_filtered (" ", stream); | |
173 | val_print_string (unresolved_elttype, NULL, address, -1, stream, options); | |
174 | } | |
175 | else if (cp_is_vtbl_member (type)) | |
176 | { | |
177 | /* Print vtbl's nicely. */ | |
178 | CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset); | |
179 | struct bound_minimal_symbol msymbol = | |
180 | lookup_minimal_symbol_by_pc (vt_address); | |
181 | ||
182 | /* If 'symbol_print' is set, we did the work above. */ | |
183 | if (!options->symbol_print | |
184 | && (msymbol.minsym != NULL) | |
185 | && (vt_address == BMSYMBOL_VALUE_ADDRESS (msymbol))) | |
186 | { | |
187 | if (want_space) | |
188 | fputs_filtered (" ", stream); | |
189 | fputs_filtered (" <", stream); | |
c9d95fa3 | 190 | fputs_filtered (msymbol.minsym->print_name (), stream); |
1033c33c SM |
191 | fputs_filtered (">", stream); |
192 | want_space = 1; | |
193 | } | |
194 | ||
195 | if (vt_address && options->vtblprint) | |
196 | { | |
197 | struct value *vt_val; | |
be903358 | 198 | struct symbol *wsym = NULL; |
1033c33c | 199 | struct type *wtype; |
1033c33c SM |
200 | |
201 | if (want_space) | |
202 | fputs_filtered (" ", stream); | |
203 | ||
204 | if (msymbol.minsym != NULL) | |
de63c46b | 205 | { |
c9d95fa3 | 206 | const char *search_name = msymbol.minsym->search_name (); |
582942f4 | 207 | wsym = lookup_symbol_search_name (search_name, NULL, |
de63c46b PA |
208 | VAR_DOMAIN).symbol; |
209 | } | |
1033c33c SM |
210 | |
211 | if (wsym) | |
212 | { | |
213 | wtype = SYMBOL_TYPE (wsym); | |
214 | } | |
215 | else | |
216 | { | |
217 | wtype = unresolved_elttype; | |
218 | } | |
219 | vt_val = value_at (wtype, vt_address); | |
220 | common_val_print (vt_val, stream, recurse + 1, options, | |
221 | current_language); | |
222 | if (options->prettyformat) | |
223 | { | |
224 | fprintf_filtered (stream, "\n"); | |
225 | print_spaces_filtered (2 + 2 * recurse, stream); | |
226 | } | |
227 | } | |
228 | } | |
229 | } | |
230 | ||
6999f067 TT |
231 | /* c_value_print helper for TYPE_CODE_ARRAY. */ |
232 | ||
233 | static void | |
234 | c_value_print_array (struct value *val, | |
235 | struct ui_file *stream, int recurse, | |
236 | const struct value_print_options *options) | |
237 | { | |
238 | struct type *type = check_typedef (value_type (val)); | |
239 | CORE_ADDR address = value_address (val); | |
240 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
241 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); | |
242 | struct type *elttype = check_typedef (unresolved_elttype); | |
243 | ||
244 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) | |
245 | { | |
246 | LONGEST low_bound, high_bound; | |
247 | int eltlen, len; | |
248 | enum bfd_endian byte_order = type_byte_order (type); | |
249 | ||
250 | if (!get_array_bounds (type, &low_bound, &high_bound)) | |
251 | error (_("Could not determine the array high bound")); | |
252 | ||
253 | eltlen = TYPE_LENGTH (elttype); | |
254 | len = high_bound - low_bound + 1; | |
6999f067 TT |
255 | |
256 | /* Print arrays of textual chars with a string syntax, as | |
257 | long as the entire array is valid. */ | |
258 | if (c_textual_element_type (unresolved_elttype, | |
259 | options->format) | |
260 | && value_bytes_available (val, 0, TYPE_LENGTH (type)) | |
261 | && !value_bits_any_optimized_out (val, 0, | |
262 | TARGET_CHAR_BIT * TYPE_LENGTH (type))) | |
263 | { | |
264 | int force_ellipses = 0; | |
265 | ||
266 | /* If requested, look for the first null char and only | |
267 | print elements up to it. */ | |
268 | if (options->stop_print_at_null) | |
269 | { | |
270 | unsigned int temp_len; | |
271 | ||
272 | for (temp_len = 0; | |
273 | (temp_len < len | |
274 | && temp_len < options->print_max | |
275 | && extract_unsigned_integer (valaddr + temp_len * eltlen, | |
276 | eltlen, byte_order) != 0); | |
277 | ++temp_len) | |
278 | ; | |
279 | ||
280 | /* Force LA_PRINT_STRING to print ellipses if | |
281 | we've printed the maximum characters and | |
282 | the next character is not \000. */ | |
283 | if (temp_len == options->print_max && temp_len < len) | |
284 | { | |
285 | ULONGEST ival | |
286 | = extract_unsigned_integer (valaddr + temp_len * eltlen, | |
287 | eltlen, byte_order); | |
288 | if (ival != 0) | |
289 | force_ellipses = 1; | |
290 | } | |
291 | ||
292 | len = temp_len; | |
293 | } | |
294 | ||
295 | LA_PRINT_STRING (stream, unresolved_elttype, valaddr, len, | |
296 | NULL, force_ellipses, options); | |
297 | } | |
298 | else | |
299 | { | |
300 | unsigned int i = 0; | |
301 | fprintf_filtered (stream, "{"); | |
302 | /* If this is a virtual function table, print the 0th | |
303 | entry specially, and the rest of the members | |
304 | normally. */ | |
305 | if (cp_is_vtbl_ptr_type (elttype)) | |
306 | { | |
307 | i = 1; | |
308 | fprintf_filtered (stream, _("%d vtable entries"), | |
309 | len - 1); | |
310 | } | |
311 | value_print_array_elements (val, stream, recurse, options, i); | |
312 | fprintf_filtered (stream, "}"); | |
313 | } | |
314 | } | |
315 | else | |
316 | { | |
317 | /* Array of unspecified length: treat like pointer to first elt. */ | |
318 | print_unpacked_pointer (type, elttype, unresolved_elttype, valaddr, | |
319 | 0, address, stream, recurse, options); | |
320 | } | |
321 | } | |
322 | ||
da3e2c29 TT |
323 | /* c_value_print_inner helper for TYPE_CODE_PTR. */ |
324 | ||
325 | static void | |
326 | c_value_print_ptr (struct value *val, struct ui_file *stream, int recurse, | |
327 | const struct value_print_options *options) | |
328 | { | |
329 | if (options->format && options->format != 's') | |
330 | { | |
331 | value_print_scalar_formatted (val, options, 0, stream); | |
332 | return; | |
333 | } | |
334 | ||
335 | struct type *type = check_typedef (value_type (val)); | |
336 | struct gdbarch *arch = get_type_arch (type); | |
337 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
338 | ||
339 | if (options->vtblprint && cp_is_vtbl_ptr_type (type)) | |
340 | { | |
341 | /* Print the unmangled name if desired. */ | |
342 | /* Print vtable entry - we only get here if we ARE using | |
343 | -fvtable_thunks. (Otherwise, look under | |
344 | TYPE_CODE_STRUCT.) */ | |
345 | CORE_ADDR addr = extract_typed_address (valaddr, type); | |
346 | ||
347 | print_function_pointer_address (options, arch, addr, stream); | |
348 | } | |
349 | else | |
350 | { | |
351 | struct type *unresolved_elttype = TYPE_TARGET_TYPE (type); | |
352 | struct type *elttype = check_typedef (unresolved_elttype); | |
353 | CORE_ADDR addr = unpack_pointer (type, valaddr); | |
354 | ||
355 | print_unpacked_pointer (type, elttype, unresolved_elttype, valaddr, | |
356 | 0, addr, stream, recurse, options); | |
357 | } | |
358 | } | |
359 | ||
64b653ca TT |
360 | /* c_value_print helper for TYPE_CODE_STRUCT and TYPE_CODE_UNION. */ |
361 | ||
362 | static void | |
363 | c_value_print_struct (struct value *val, struct ui_file *stream, int recurse, | |
364 | const struct value_print_options *options) | |
365 | { | |
366 | struct type *type = check_typedef (value_type (val)); | |
367 | ||
368 | if (TYPE_CODE (type) == TYPE_CODE_UNION && recurse && !options->unionprint) | |
369 | fprintf_filtered (stream, "{...}"); | |
370 | else if (options->vtblprint && cp_is_vtbl_ptr_type (type)) | |
371 | { | |
372 | /* Print the unmangled name if desired. */ | |
373 | /* Print vtable entry - we only get here if NOT using | |
374 | -fvtable_thunks. (Otherwise, look under | |
375 | TYPE_CODE_PTR.) */ | |
376 | struct gdbarch *gdbarch = get_type_arch (type); | |
377 | int offset = TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8; | |
378 | struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET); | |
379 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
380 | CORE_ADDR addr = extract_typed_address (valaddr + offset, field_type); | |
381 | ||
382 | print_function_pointer_address (options, gdbarch, addr, stream); | |
383 | } | |
384 | else | |
385 | cp_print_value_fields (val, stream, recurse, options, NULL, 0); | |
386 | } | |
387 | ||
2faac269 TT |
388 | /* c_value_print helper for TYPE_CODE_INT. */ |
389 | ||
390 | static void | |
391 | c_value_print_int (struct value *val, struct ui_file *stream, | |
392 | const struct value_print_options *options) | |
393 | { | |
394 | if (options->format || options->output_format) | |
395 | { | |
396 | struct value_print_options opts = *options; | |
397 | ||
398 | opts.format = (options->format ? options->format | |
399 | : options->output_format); | |
400 | value_print_scalar_formatted (val, &opts, 0, stream); | |
401 | } | |
402 | else | |
403 | { | |
404 | value_print_scalar_formatted (val, options, 0, stream); | |
405 | /* C and C++ has no single byte int type, char is used | |
406 | instead. Since we don't know whether the value is really | |
407 | intended to be used as an integer or a character, print | |
408 | the character equivalent as well. */ | |
409 | struct type *type = value_type (val); | |
410 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
411 | if (c_textual_element_type (type, options->format)) | |
412 | { | |
413 | fputs_filtered (" ", stream); | |
414 | LA_PRINT_CHAR (unpack_long (type, valaddr), type, stream); | |
415 | } | |
416 | } | |
417 | } | |
418 | ||
ce80b8bd TT |
419 | /* c_value_print helper for TYPE_CODE_MEMBERPTR. */ |
420 | ||
421 | static void | |
422 | c_value_print_memberptr (struct value *val, struct ui_file *stream, | |
423 | int recurse, | |
424 | const struct value_print_options *options) | |
425 | { | |
426 | if (!options->format) | |
427 | { | |
428 | struct type *type = check_typedef (value_type (val)); | |
429 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
430 | cp_print_class_member (valaddr, type, stream, "&"); | |
431 | } | |
432 | else | |
433 | generic_value_print (val, stream, recurse, options, &c_decorations); | |
434 | } | |
435 | ||
62182190 TT |
436 | /* See c-lang.h. */ |
437 | ||
438 | void | |
439 | c_value_print_inner (struct value *val, struct ui_file *stream, int recurse, | |
440 | const struct value_print_options *options) | |
441 | { | |
50836231 | 442 | struct type *type = value_type (val); |
50836231 TT |
443 | const gdb_byte *valaddr = value_contents_for_printing (val); |
444 | ||
445 | type = check_typedef (type); | |
446 | switch (TYPE_CODE (type)) | |
447 | { | |
448 | case TYPE_CODE_ARRAY: | |
6999f067 | 449 | c_value_print_array (val, stream, recurse, options); |
50836231 TT |
450 | break; |
451 | ||
452 | case TYPE_CODE_METHODPTR: | |
453 | cplus_print_method_ptr (valaddr, type, stream); | |
454 | break; | |
455 | ||
456 | case TYPE_CODE_PTR: | |
da3e2c29 | 457 | c_value_print_ptr (val, stream, recurse, options); |
50836231 TT |
458 | break; |
459 | ||
460 | case TYPE_CODE_UNION: | |
50836231 | 461 | case TYPE_CODE_STRUCT: |
64b653ca | 462 | c_value_print_struct (val, stream, recurse, options); |
50836231 TT |
463 | break; |
464 | ||
465 | case TYPE_CODE_INT: | |
2faac269 | 466 | c_value_print_int (val, stream, options); |
50836231 TT |
467 | break; |
468 | ||
469 | case TYPE_CODE_MEMBERPTR: | |
ce80b8bd | 470 | c_value_print_memberptr (val, stream, recurse, options); |
50836231 TT |
471 | break; |
472 | ||
473 | case TYPE_CODE_REF: | |
474 | case TYPE_CODE_RVALUE_REF: | |
475 | case TYPE_CODE_ENUM: | |
476 | case TYPE_CODE_FLAGS: | |
477 | case TYPE_CODE_FUNC: | |
478 | case TYPE_CODE_METHOD: | |
479 | case TYPE_CODE_BOOL: | |
480 | case TYPE_CODE_RANGE: | |
481 | case TYPE_CODE_FLT: | |
482 | case TYPE_CODE_DECFLOAT: | |
483 | case TYPE_CODE_VOID: | |
484 | case TYPE_CODE_ERROR: | |
485 | case TYPE_CODE_UNDEF: | |
486 | case TYPE_CODE_COMPLEX: | |
487 | case TYPE_CODE_CHAR: | |
488 | default: | |
489 | generic_value_print (val, stream, recurse, options, &c_decorations); | |
490 | break; | |
491 | } | |
62182190 TT |
492 | } |
493 | ||
c906108c | 494 | \f |
8e069a98 | 495 | void |
79a45b7d TT |
496 | c_value_print (struct value *val, struct ui_file *stream, |
497 | const struct value_print_options *options) | |
c906108c | 498 | { |
a1f6a07c | 499 | struct type *type, *real_type; |
6b850546 DT |
500 | int full, using_enc; |
501 | LONGEST top; | |
79a45b7d TT |
502 | struct value_print_options opts = *options; |
503 | ||
504 | opts.deref_ref = 1; | |
c5aa993b | 505 | |
c906108c SS |
506 | /* If it is a pointer, indicate what it points to. |
507 | ||
508 | Print type also if it is a reference. | |
509 | ||
510 | C++: if it is a member pointer, we will take care | |
511 | of that when we print it. */ | |
88750304 | 512 | |
a1f6a07c | 513 | type = check_typedef (value_type (val)); |
88750304 | 514 | |
e1cb3213 | 515 | if (TYPE_CODE (type) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type)) |
c906108c | 516 | { |
a1f6a07c TT |
517 | struct type *original_type = value_type (val); |
518 | ||
c906108c | 519 | /* Hack: remove (char *) for char strings. Their |
ea37ba09 | 520 | type is indicated by the quoted string anyway. |
96c07c5b | 521 | (Don't use c_textual_element_type here; quoted strings |
6c7a06a3 | 522 | are always exactly (char *), (wchar_t *), or the like. */ |
a1f6a07c TT |
523 | if (TYPE_CODE (original_type) == TYPE_CODE_PTR |
524 | && TYPE_NAME (original_type) == NULL | |
525 | && TYPE_NAME (TYPE_TARGET_TYPE (original_type)) != NULL | |
526 | && (strcmp (TYPE_NAME (TYPE_TARGET_TYPE (original_type)), | |
aff410f1 | 527 | "char") == 0 |
a1f6a07c | 528 | || textual_name (TYPE_NAME (TYPE_TARGET_TYPE (original_type))))) |
c906108c | 529 | { |
aff410f1 | 530 | /* Print nothing. */ |
c906108c | 531 | } |
79a45b7d | 532 | else if (options->objectprint |
4753d33b | 533 | && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT)) |
c5aa993b | 534 | { |
a65cfae5 AV |
535 | int is_ref = TYPE_IS_REFERENCE (type); |
536 | enum type_code refcode = TYPE_CODE_UNDEF; | |
5f2e6b00 TT |
537 | |
538 | if (is_ref) | |
a65cfae5 AV |
539 | { |
540 | val = value_addr (val); | |
541 | refcode = TYPE_CODE (type); | |
542 | } | |
070ad9f0 | 543 | |
aff410f1 | 544 | /* Pointer to class, check real type of object. */ |
c906108c | 545 | fprintf_filtered (stream, "("); |
ec0a52e1 PA |
546 | |
547 | if (value_entirely_available (val)) | |
476350ba | 548 | { |
dfcee124 AG |
549 | real_type = value_rtti_indirect_type (val, &full, &top, |
550 | &using_enc); | |
ec0a52e1 PA |
551 | if (real_type) |
552 | { | |
553 | /* RTTI entry found. */ | |
dfcee124 | 554 | |
ec0a52e1 | 555 | /* Need to adjust pointer value. */ |
5f2e6b00 TT |
556 | val = value_from_pointer (real_type, |
557 | value_as_address (val) - top); | |
558 | ||
ec0a52e1 PA |
559 | /* Note: When we look up RTTI entries, we don't get |
560 | any information on const or volatile | |
561 | attributes. */ | |
562 | } | |
563 | } | |
476350ba MG |
564 | |
565 | if (is_ref) | |
a1f6a07c | 566 | val = value_ref (value_ind (val), refcode); |
476350ba | 567 | |
a1f6a07c | 568 | type = value_type (val); |
476350ba | 569 | type_print (type, "", stream, -1); |
c906108c | 570 | fprintf_filtered (stream, ") "); |
c5aa993b | 571 | } |
c906108c SS |
572 | else |
573 | { | |
c5aa993b | 574 | /* normal case */ |
c906108c | 575 | fprintf_filtered (stream, "("); |
88750304 | 576 | type_print (value_type (val), "", stream, -1); |
c906108c SS |
577 | fprintf_filtered (stream, ") "); |
578 | } | |
579 | } | |
88750304 | 580 | |
42be36b3 CT |
581 | if (!value_initialized (val)) |
582 | fprintf_filtered (stream, " [uninitialized] "); | |
583 | ||
4753d33b | 584 | if (options->objectprint && (TYPE_CODE (type) == TYPE_CODE_STRUCT)) |
c906108c | 585 | { |
aff410f1 | 586 | /* Attempt to determine real type of object. */ |
c906108c | 587 | real_type = value_rtti_type (val, &full, &top, &using_enc); |
c5aa993b JM |
588 | if (real_type) |
589 | { | |
aff410f1 MS |
590 | /* We have RTTI information, so use it. */ |
591 | val = value_full_object (val, real_type, | |
592 | full, top, using_enc); | |
a1f6a07c TT |
593 | /* In a destructor we might see a real type that is a |
594 | superclass of the object's type. In this case it is | |
595 | better to leave the object as-is. */ | |
596 | if (!(full | |
597 | && (TYPE_LENGTH (real_type) | |
598 | < TYPE_LENGTH (value_enclosing_type (val))))) | |
599 | val = value_cast (real_type, val); | |
c5aa993b JM |
600 | fprintf_filtered (stream, "(%s%s) ", |
601 | TYPE_NAME (real_type), | |
3d263c1d | 602 | full ? "" : _(" [incomplete object]")); |
c5aa993b | 603 | } |
88750304 | 604 | else if (type != check_typedef (value_enclosing_type (val))) |
c5aa993b | 605 | { |
aff410f1 | 606 | /* No RTTI information, so let's do our best. */ |
c5aa993b | 607 | fprintf_filtered (stream, "(%s ?) ", |
4754a64e | 608 | TYPE_NAME (value_enclosing_type (val))); |
a1f6a07c | 609 | val = value_cast (value_enclosing_type (val), val); |
c5aa993b | 610 | } |
c906108c | 611 | } |
c5aa993b | 612 | |
a1f6a07c | 613 | common_val_print (val, stream, 0, &opts, current_language); |
c906108c | 614 | } |