Commit | Line | Data |
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c906108c | 1 | /* Support for printing C values for GDB, the GNU debugger. |
1bac305b AC |
2 | |
3 | Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, | |
4754a64e AC |
4 | 1997, 1998, 1999, 2000, 2001, 2003, 2005 Free Software Foundation, |
5 | Inc. | |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b JM |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
23 | |
24 | #include "defs.h" | |
309367d4 | 25 | #include "gdb_string.h" |
c906108c SS |
26 | #include "symtab.h" |
27 | #include "gdbtypes.h" | |
28 | #include "expression.h" | |
29 | #include "value.h" | |
c906108c SS |
30 | #include "valprint.h" |
31 | #include "language.h" | |
32 | #include "c-lang.h" | |
015a42b4 | 33 | #include "cp-abi.h" |
e2d0e7eb | 34 | #include "target.h" |
c906108c | 35 | \f |
c5aa993b | 36 | |
6e778545 PS |
37 | /* Print function pointer with inferior address ADDRESS onto stdio |
38 | stream STREAM. */ | |
39 | ||
40 | static void | |
41 | print_function_pointer_address (CORE_ADDR address, struct ui_file *stream) | |
42 | { | |
e2d0e7eb AC |
43 | CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr (current_gdbarch, |
44 | address, | |
45 | ¤t_target); | |
6e778545 PS |
46 | |
47 | /* If the function pointer is represented by a description, print the | |
48 | address of the description. */ | |
49 | if (addressprint && func_addr != address) | |
50 | { | |
51 | fputs_filtered ("@", stream); | |
66bf4b3a | 52 | deprecated_print_address_numeric (address, 1, stream); |
6e778545 PS |
53 | fputs_filtered (": ", stream); |
54 | } | |
55 | print_address_demangle (func_addr, stream, demangle); | |
56 | } | |
57 | ||
58 | ||
c906108c SS |
59 | /* Print data of type TYPE located at VALADDR (within GDB), which came from |
60 | the inferior at address ADDRESS, onto stdio stream STREAM according to | |
61 | FORMAT (a letter or 0 for natural format). The data at VALADDR is in | |
62 | target byte order. | |
63 | ||
64 | If the data are a string pointer, returns the number of string characters | |
65 | printed. | |
66 | ||
67 | If DEREF_REF is nonzero, then dereference references, otherwise just print | |
68 | them like pointers. | |
69 | ||
70 | The PRETTY parameter controls prettyprinting. */ | |
71 | ||
72 | int | |
a2bd3dcd | 73 | c_val_print (struct type *type, const bfd_byte *valaddr, int embedded_offset, |
fba45db2 KB |
74 | CORE_ADDR address, struct ui_file *stream, int format, |
75 | int deref_ref, int recurse, enum val_prettyprint pretty) | |
c906108c | 76 | { |
52f0bd74 | 77 | unsigned int i = 0; /* Number of characters printed */ |
c906108c SS |
78 | unsigned len; |
79 | struct type *elttype; | |
80 | unsigned eltlen; | |
81 | LONGEST val; | |
82 | CORE_ADDR addr; | |
83 | ||
84 | CHECK_TYPEDEF (type); | |
85 | switch (TYPE_CODE (type)) | |
86 | { | |
87 | case TYPE_CODE_ARRAY: | |
88 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
89 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) | |
90 | { | |
91 | eltlen = TYPE_LENGTH (elttype); | |
92 | len = TYPE_LENGTH (type) / eltlen; | |
93 | if (prettyprint_arrays) | |
94 | { | |
95 | print_spaces_filtered (2 + 2 * recurse, stream); | |
96 | } | |
97 | /* For an array of chars, print with string syntax. */ | |
98 | if (eltlen == 1 && | |
99 | ((TYPE_CODE (elttype) == TYPE_CODE_INT) | |
100 | || ((current_language->la_language == language_m2) | |
101 | && (TYPE_CODE (elttype) == TYPE_CODE_CHAR))) | |
102 | && (format == 0 || format == 's')) | |
103 | { | |
104 | /* If requested, look for the first null char and only print | |
c5aa993b | 105 | elements up to it. */ |
c906108c SS |
106 | if (stop_print_at_null) |
107 | { | |
745b8ca0 | 108 | unsigned int temp_len; |
c5aa993b | 109 | |
c906108c SS |
110 | /* Look for a NULL char. */ |
111 | for (temp_len = 0; | |
112 | (valaddr + embedded_offset)[temp_len] | |
113 | && temp_len < len && temp_len < print_max; | |
114 | temp_len++); | |
115 | len = temp_len; | |
116 | } | |
c5aa993b | 117 | |
c906108c SS |
118 | LA_PRINT_STRING (stream, valaddr + embedded_offset, len, eltlen, 0); |
119 | i = len; | |
120 | } | |
121 | else | |
122 | { | |
123 | fprintf_filtered (stream, "{"); | |
124 | /* If this is a virtual function table, print the 0th | |
c5aa993b | 125 | entry specially, and the rest of the members normally. */ |
c906108c SS |
126 | if (cp_is_vtbl_ptr_type (elttype)) |
127 | { | |
128 | i = 1; | |
3d263c1d | 129 | fprintf_filtered (stream, _("%d vtable entries"), len - 1); |
c906108c SS |
130 | } |
131 | else | |
132 | { | |
133 | i = 0; | |
134 | } | |
135 | val_print_array_elements (type, valaddr + embedded_offset, address, stream, | |
c5aa993b | 136 | format, deref_ref, recurse, pretty, i); |
c906108c SS |
137 | fprintf_filtered (stream, "}"); |
138 | } | |
139 | break; | |
140 | } | |
141 | /* Array of unspecified length: treat like pointer to first elt. */ | |
142 | addr = address; | |
143 | goto print_unpacked_pointer; | |
144 | ||
145 | case TYPE_CODE_PTR: | |
146 | if (format && format != 's') | |
147 | { | |
148 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
149 | break; | |
150 | } | |
c5aa993b | 151 | if (vtblprint && cp_is_vtbl_ptr_type (type)) |
c906108c | 152 | { |
c5aa993b | 153 | /* Print the unmangled name if desired. */ |
c906108c SS |
154 | /* Print vtable entry - we only get here if we ARE using |
155 | -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */ | |
4478b372 JB |
156 | CORE_ADDR addr |
157 | = extract_typed_address (valaddr + embedded_offset, type); | |
6e778545 | 158 | print_function_pointer_address (addr, stream); |
c906108c SS |
159 | break; |
160 | } | |
161 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
162 | if (TYPE_CODE (elttype) == TYPE_CODE_METHOD) | |
163 | { | |
164 | cp_print_class_method (valaddr + embedded_offset, type, stream); | |
165 | } | |
166 | else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER) | |
167 | { | |
168 | cp_print_class_member (valaddr + embedded_offset, | |
169 | TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)), | |
170 | stream, "&"); | |
171 | } | |
172 | else | |
173 | { | |
174 | addr = unpack_pointer (type, valaddr + embedded_offset); | |
175 | print_unpacked_pointer: | |
c906108c SS |
176 | |
177 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) | |
178 | { | |
179 | /* Try to print what function it points to. */ | |
6e778545 | 180 | print_function_pointer_address (addr, stream); |
c906108c SS |
181 | /* Return value is irrelevant except for string pointers. */ |
182 | return (0); | |
183 | } | |
184 | ||
185 | if (addressprint && format != 's') | |
186 | { | |
66bf4b3a | 187 | deprecated_print_address_numeric (addr, 1, stream); |
c906108c SS |
188 | } |
189 | ||
190 | /* For a pointer to char or unsigned char, also print the string | |
191 | pointed to, unless pointer is null. */ | |
192 | /* FIXME: need to handle wchar_t here... */ | |
193 | ||
194 | if (TYPE_LENGTH (elttype) == 1 | |
195 | && TYPE_CODE (elttype) == TYPE_CODE_INT | |
196 | && (format == 0 || format == 's') | |
197 | && addr != 0) | |
198 | { | |
199 | i = val_print_string (addr, -1, TYPE_LENGTH (elttype), stream); | |
200 | } | |
c5aa993b JM |
201 | else if (cp_is_vtbl_member (type)) |
202 | { | |
c906108c SS |
203 | /* print vtbl's nicely */ |
204 | CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset); | |
205 | ||
206 | struct minimal_symbol *msymbol = | |
c5aa993b | 207 | lookup_minimal_symbol_by_pc (vt_address); |
c906108c SS |
208 | if ((msymbol != NULL) && |
209 | (vt_address == SYMBOL_VALUE_ADDRESS (msymbol))) | |
210 | { | |
211 | fputs_filtered (" <", stream); | |
de5ad195 | 212 | fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream); |
c906108c SS |
213 | fputs_filtered (">", stream); |
214 | } | |
215 | if (vt_address && vtblprint) | |
c5aa993b | 216 | { |
6943961c | 217 | struct value *vt_val; |
c5aa993b JM |
218 | struct symbol *wsym = (struct symbol *) NULL; |
219 | struct type *wtype; | |
c5aa993b | 220 | struct block *block = (struct block *) NULL; |
c906108c SS |
221 | int is_this_fld; |
222 | ||
223 | if (msymbol != NULL) | |
22abf04a | 224 | wsym = lookup_symbol (DEPRECATED_SYMBOL_NAME (msymbol), block, |
cdef89d0 | 225 | VAR_DOMAIN, &is_this_fld, NULL); |
c5aa993b | 226 | |
c906108c SS |
227 | if (wsym) |
228 | { | |
c5aa993b | 229 | wtype = SYMBOL_TYPE (wsym); |
c906108c SS |
230 | } |
231 | else | |
232 | { | |
c5aa993b | 233 | wtype = TYPE_TARGET_TYPE (type); |
c906108c | 234 | } |
00a4c844 | 235 | vt_val = value_at (wtype, vt_address); |
0fd88904 | 236 | val_print (value_type (vt_val), value_contents (vt_val), 0, |
c906108c SS |
237 | VALUE_ADDRESS (vt_val), stream, format, |
238 | deref_ref, recurse + 1, pretty); | |
239 | if (pretty) | |
240 | { | |
241 | fprintf_filtered (stream, "\n"); | |
242 | print_spaces_filtered (2 + 2 * recurse, stream); | |
243 | } | |
c5aa993b JM |
244 | } |
245 | } | |
c906108c SS |
246 | |
247 | /* Return number of characters printed, including the terminating | |
248 | '\0' if we reached the end. val_print_string takes care including | |
249 | the terminating '\0' if necessary. */ | |
250 | return i; | |
251 | } | |
252 | break; | |
253 | ||
254 | case TYPE_CODE_MEMBER: | |
3d263c1d | 255 | error (_("not implemented: member type in c_val_print")); |
c906108c SS |
256 | break; |
257 | ||
258 | case TYPE_CODE_REF: | |
259 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
260 | if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER) | |
c5aa993b | 261 | { |
c906108c SS |
262 | cp_print_class_member (valaddr + embedded_offset, |
263 | TYPE_DOMAIN_TYPE (elttype), | |
264 | stream, ""); | |
265 | break; | |
266 | } | |
267 | if (addressprint) | |
c5aa993b | 268 | { |
4478b372 JB |
269 | CORE_ADDR addr |
270 | = extract_typed_address (valaddr + embedded_offset, type); | |
c906108c | 271 | fprintf_filtered (stream, "@"); |
66bf4b3a | 272 | deprecated_print_address_numeric (addr, 1, stream); |
c906108c SS |
273 | if (deref_ref) |
274 | fputs_filtered (": ", stream); | |
c5aa993b | 275 | } |
c906108c SS |
276 | /* De-reference the reference. */ |
277 | if (deref_ref) | |
278 | { | |
279 | if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF) | |
280 | { | |
6943961c | 281 | struct value *deref_val = |
c5aa993b JM |
282 | value_at |
283 | (TYPE_TARGET_TYPE (type), | |
284 | unpack_pointer (lookup_pointer_type (builtin_type_void), | |
00a4c844 | 285 | valaddr + embedded_offset)); |
df407dfe | 286 | val_print (value_type (deref_val), |
0fd88904 | 287 | value_contents (deref_val), |
c5aa993b JM |
288 | 0, |
289 | VALUE_ADDRESS (deref_val), | |
290 | stream, | |
291 | format, | |
292 | deref_ref, | |
293 | recurse, | |
294 | pretty); | |
c906108c SS |
295 | } |
296 | else | |
297 | fputs_filtered ("???", stream); | |
298 | } | |
299 | break; | |
300 | ||
301 | case TYPE_CODE_UNION: | |
302 | if (recurse && !unionprint) | |
303 | { | |
304 | fprintf_filtered (stream, "{...}"); | |
305 | break; | |
306 | } | |
307 | /* Fall through. */ | |
308 | case TYPE_CODE_STRUCT: | |
015a42b4 | 309 | /*FIXME: Abstract this away */ |
c5aa993b | 310 | if (vtblprint && cp_is_vtbl_ptr_type (type)) |
c906108c | 311 | { |
c5aa993b | 312 | /* Print the unmangled name if desired. */ |
c906108c SS |
313 | /* Print vtable entry - we only get here if NOT using |
314 | -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */ | |
4478b372 JB |
315 | int offset = (embedded_offset + |
316 | TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8); | |
317 | struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET); | |
318 | CORE_ADDR addr | |
319 | = extract_typed_address (valaddr + offset, field_type); | |
320 | ||
6e778545 | 321 | print_function_pointer_address (addr, stream); |
c906108c SS |
322 | } |
323 | else | |
324 | cp_print_value_fields (type, type, valaddr, embedded_offset, address, stream, format, | |
325 | recurse, pretty, NULL, 0); | |
326 | break; | |
327 | ||
328 | case TYPE_CODE_ENUM: | |
329 | if (format) | |
330 | { | |
331 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
332 | break; | |
333 | } | |
334 | len = TYPE_NFIELDS (type); | |
335 | val = unpack_long (type, valaddr + embedded_offset); | |
336 | for (i = 0; i < len; i++) | |
337 | { | |
338 | QUIT; | |
339 | if (val == TYPE_FIELD_BITPOS (type, i)) | |
340 | { | |
341 | break; | |
342 | } | |
343 | } | |
344 | if (i < len) | |
345 | { | |
346 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
347 | } | |
348 | else | |
349 | { | |
350 | print_longest (stream, 'd', 0, val); | |
351 | } | |
352 | break; | |
353 | ||
354 | case TYPE_CODE_FUNC: | |
355 | if (format) | |
356 | { | |
357 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
358 | break; | |
359 | } | |
360 | /* FIXME, we should consider, at least for ANSI C language, eliminating | |
c5aa993b | 361 | the distinction made between FUNCs and POINTERs to FUNCs. */ |
c906108c SS |
362 | fprintf_filtered (stream, "{"); |
363 | type_print (type, "", stream, -1); | |
364 | fprintf_filtered (stream, "} "); | |
365 | /* Try to print what function it points to, and its address. */ | |
366 | print_address_demangle (address, stream, demangle); | |
367 | break; | |
368 | ||
369 | case TYPE_CODE_BOOL: | |
370 | format = format ? format : output_format; | |
371 | if (format) | |
372 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
373 | else | |
374 | { | |
375 | val = unpack_long (type, valaddr + embedded_offset); | |
376 | if (val == 0) | |
377 | fputs_filtered ("false", stream); | |
378 | else if (val == 1) | |
379 | fputs_filtered ("true", stream); | |
380 | else | |
381 | print_longest (stream, 'd', 0, val); | |
382 | } | |
383 | break; | |
384 | ||
385 | case TYPE_CODE_RANGE: | |
386 | /* FIXME: create_range_type does not set the unsigned bit in a | |
c5aa993b JM |
387 | range type (I think it probably should copy it from the target |
388 | type), so we won't print values which are too large to | |
389 | fit in a signed integer correctly. */ | |
c906108c | 390 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just |
c5aa993b JM |
391 | print with the target type, though, because the size of our type |
392 | and the target type might differ). */ | |
c906108c SS |
393 | /* FALLTHROUGH */ |
394 | ||
395 | case TYPE_CODE_INT: | |
396 | format = format ? format : output_format; | |
397 | if (format) | |
398 | { | |
399 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
400 | } | |
401 | else | |
402 | { | |
403 | val_print_type_code_int (type, valaddr + embedded_offset, stream); | |
404 | /* C and C++ has no single byte int type, char is used instead. | |
405 | Since we don't know whether the value is really intended to | |
406 | be used as an integer or a character, print the character | |
407 | equivalent as well. */ | |
408 | if (TYPE_LENGTH (type) == 1) | |
409 | { | |
410 | fputs_filtered (" ", stream); | |
411 | LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr + embedded_offset), | |
412 | stream); | |
413 | } | |
414 | } | |
415 | break; | |
416 | ||
417 | case TYPE_CODE_CHAR: | |
418 | format = format ? format : output_format; | |
419 | if (format) | |
420 | { | |
421 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
422 | } | |
423 | else | |
424 | { | |
96baa820 JM |
425 | val = unpack_long (type, valaddr + embedded_offset); |
426 | if (TYPE_UNSIGNED (type)) | |
427 | fprintf_filtered (stream, "%u", (unsigned int) val); | |
428 | else | |
429 | fprintf_filtered (stream, "%d", (int) val); | |
c906108c | 430 | fputs_filtered (" ", stream); |
96baa820 | 431 | LA_PRINT_CHAR ((unsigned char) val, stream); |
c906108c SS |
432 | } |
433 | break; | |
434 | ||
435 | case TYPE_CODE_FLT: | |
436 | if (format) | |
437 | { | |
438 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); | |
439 | } | |
440 | else | |
441 | { | |
442 | print_floating (valaddr + embedded_offset, type, stream); | |
443 | } | |
444 | break; | |
445 | ||
446 | case TYPE_CODE_METHOD: | |
acf5ed49 | 447 | { |
00a4c844 | 448 | struct value *v = value_at (type, address); |
0fd88904 | 449 | cp_print_class_method (value_contents (value_addr (v)), |
acf5ed49 DJ |
450 | lookup_pointer_type (type), stream); |
451 | break; | |
452 | } | |
c906108c SS |
453 | |
454 | case TYPE_CODE_VOID: | |
455 | fprintf_filtered (stream, "void"); | |
456 | break; | |
457 | ||
458 | case TYPE_CODE_ERROR: | |
3d263c1d | 459 | fprintf_filtered (stream, _("<error type>")); |
c906108c SS |
460 | break; |
461 | ||
462 | case TYPE_CODE_UNDEF: | |
463 | /* This happens (without TYPE_FLAG_STUB set) on systems which don't use | |
c5aa993b JM |
464 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" |
465 | and no complete type for struct foo in that file. */ | |
3d263c1d | 466 | fprintf_filtered (stream, _("<incomplete type>")); |
c906108c SS |
467 | break; |
468 | ||
fca9e603 DJ |
469 | case TYPE_CODE_COMPLEX: |
470 | if (format) | |
471 | print_scalar_formatted (valaddr + embedded_offset, | |
472 | TYPE_TARGET_TYPE (type), | |
473 | format, 0, stream); | |
474 | else | |
475 | print_floating (valaddr + embedded_offset, TYPE_TARGET_TYPE (type), | |
476 | stream); | |
477 | fprintf_filtered (stream, " + "); | |
478 | if (format) | |
479 | print_scalar_formatted (valaddr + embedded_offset | |
480 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), | |
481 | TYPE_TARGET_TYPE (type), | |
482 | format, 0, stream); | |
483 | else | |
484 | print_floating (valaddr + embedded_offset | |
485 | + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), | |
486 | TYPE_TARGET_TYPE (type), | |
487 | stream); | |
488 | fprintf_filtered (stream, " * I"); | |
489 | break; | |
490 | ||
c906108c | 491 | default: |
3d263c1d | 492 | error (_("Invalid C/C++ type code %d in symbol table."), TYPE_CODE (type)); |
c906108c SS |
493 | } |
494 | gdb_flush (stream); | |
495 | return (0); | |
496 | } | |
497 | \f | |
498 | int | |
6943961c | 499 | c_value_print (struct value *val, struct ui_file *stream, int format, |
fba45db2 | 500 | enum val_prettyprint pretty) |
c906108c | 501 | { |
df407dfe | 502 | struct type *type = value_type (val); |
c5aa993b | 503 | struct type *real_type; |
c906108c | 504 | int full, top, using_enc; |
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. */ | |
512 | if (TYPE_CODE (type) == TYPE_CODE_PTR || | |
513 | TYPE_CODE (type) == TYPE_CODE_REF) | |
514 | { | |
515 | /* Hack: remove (char *) for char strings. Their | |
c5aa993b | 516 | type is indicated by the quoted string anyway. */ |
c906108c SS |
517 | if (TYPE_CODE (type) == TYPE_CODE_PTR && |
518 | TYPE_NAME (type) == NULL && | |
519 | TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL && | |
bde58177 | 520 | strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char") == 0) |
c906108c SS |
521 | { |
522 | /* Print nothing */ | |
523 | } | |
524 | else if (objectprint && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS)) | |
c5aa993b | 525 | { |
070ad9f0 DB |
526 | |
527 | if (TYPE_CODE(type) == TYPE_CODE_REF) | |
528 | { | |
529 | /* Copy value, change to pointer, so we don't get an | |
530 | * error about a non-pointer type in value_rtti_target_type | |
531 | */ | |
6943961c | 532 | struct value *temparg; |
070ad9f0 | 533 | temparg=value_copy(val); |
04624583 | 534 | deprecated_set_value_type (temparg, lookup_pointer_type (TYPE_TARGET_TYPE(type))); |
070ad9f0 DB |
535 | val=temparg; |
536 | } | |
c5aa993b | 537 | /* Pointer to class, check real type of object */ |
c906108c | 538 | fprintf_filtered (stream, "("); |
c4093a6a JM |
539 | real_type = value_rtti_target_type (val, &full, &top, &using_enc); |
540 | if (real_type) | |
c5aa993b JM |
541 | { |
542 | /* RTTI entry found */ | |
c4093a6a JM |
543 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
544 | { | |
545 | /* create a pointer type pointing to the real type */ | |
546 | type = lookup_pointer_type (real_type); | |
547 | } | |
548 | else | |
549 | { | |
550 | /* create a reference type referencing the real type */ | |
551 | type = lookup_reference_type (real_type); | |
552 | } | |
070ad9f0 | 553 | /* JYG: Need to adjust pointer value. */ |
5086187c AC |
554 | /* NOTE: cagney/2005-01-02: THIS IS BOGUS. */ |
555 | value_contents_writeable (val)[0] -= top; | |
070ad9f0 | 556 | |
c4093a6a JM |
557 | /* Note: When we look up RTTI entries, we don't get any |
558 | information on const or volatile attributes */ | |
559 | } | |
560 | type_print (type, "", stream, -1); | |
c906108c | 561 | fprintf_filtered (stream, ") "); |
c5aa993b | 562 | } |
c906108c SS |
563 | else |
564 | { | |
c5aa993b | 565 | /* normal case */ |
c906108c SS |
566 | fprintf_filtered (stream, "("); |
567 | type_print (type, "", stream, -1); | |
568 | fprintf_filtered (stream, ") "); | |
569 | } | |
570 | } | |
df407dfe | 571 | if (objectprint && (TYPE_CODE (value_type (val)) == TYPE_CODE_CLASS)) |
c906108c SS |
572 | { |
573 | /* Attempt to determine real type of object */ | |
574 | real_type = value_rtti_type (val, &full, &top, &using_enc); | |
c5aa993b JM |
575 | if (real_type) |
576 | { | |
577 | /* We have RTTI information, so use it */ | |
578 | val = value_full_object (val, real_type, full, top, using_enc); | |
579 | fprintf_filtered (stream, "(%s%s) ", | |
580 | TYPE_NAME (real_type), | |
3d263c1d | 581 | full ? "" : _(" [incomplete object]")); |
c5aa993b | 582 | /* Print out object: enclosing type is same as real_type if full */ |
46615f07 AC |
583 | return val_print (value_enclosing_type (val), |
584 | value_contents_all (val), 0, | |
585 | VALUE_ADDRESS (val), stream, format, 1, 0, pretty); | |
c4093a6a JM |
586 | /* Note: When we look up RTTI entries, we don't get any information on |
587 | const or volatile attributes */ | |
c5aa993b | 588 | } |
4754a64e | 589 | else if (type != value_enclosing_type (val)) |
c5aa993b JM |
590 | { |
591 | /* No RTTI information, so let's do our best */ | |
592 | fprintf_filtered (stream, "(%s ?) ", | |
4754a64e | 593 | TYPE_NAME (value_enclosing_type (val))); |
46615f07 AC |
594 | return val_print (value_enclosing_type (val), |
595 | value_contents_all (val), 0, | |
596 | VALUE_ADDRESS (val), stream, format, 1, 0, pretty); | |
c5aa993b | 597 | } |
c906108c SS |
598 | /* Otherwise, we end up at the return outside this "if" */ |
599 | } | |
c5aa993b | 600 | |
46615f07 | 601 | return val_print (type, value_contents_all (val), |
13c3b5f5 | 602 | value_embedded_offset (val), |
df407dfe | 603 | VALUE_ADDRESS (val) + value_offset (val), |
c906108c SS |
604 | stream, format, 1, 0, pretty); |
605 | } |