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c906108c | 1 | /* Support for printing C and C++ types for GDB, the GNU debugger. |
e2882c85 | 2 | Copyright (C) 1986-2018 Free Software Foundation, Inc. |
c906108c | 3 | |
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 9 | (at your option) any later version. |
c906108c | 10 | |
c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
c906108c | 15 | |
c5aa993b | 16 | You should have received a copy of the GNU General Public License |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
18 | |
19 | #include "defs.h" | |
04ea0df1 | 20 | #include "gdb_obstack.h" |
aff410f1 | 21 | #include "bfd.h" /* Binary File Description. */ |
c906108c SS |
22 | #include "symtab.h" |
23 | #include "gdbtypes.h" | |
24 | #include "expression.h" | |
25 | #include "value.h" | |
26 | #include "gdbcore.h" | |
27 | #include "target.h" | |
c906108c SS |
28 | #include "language.h" |
29 | #include "demangle.h" | |
30 | #include "c-lang.h" | |
31 | #include "typeprint.h" | |
015a42b4 | 32 | #include "cp-abi.h" |
bd69fc68 | 33 | #include "cp-support.h" |
c906108c | 34 | |
7c161838 SDJ |
35 | /* When printing the offsets of a struct and its fields (i.e., 'ptype |
36 | /o'; type_print_options::print_offsets), we use this many | |
37 | characters when printing the offset information at the beginning of | |
38 | the line. This is needed in order to generate the correct amount | |
39 | of whitespaces when no offset info should be printed for a certain | |
40 | field. */ | |
41 | #define OFFSET_SPC_LEN 23 | |
42 | ||
c191a687 KS |
43 | /* A list of access specifiers used for printing. */ |
44 | ||
45 | enum access_specifier | |
46 | { | |
47 | s_none, | |
48 | s_public, | |
49 | s_private, | |
50 | s_protected | |
51 | }; | |
52 | ||
aff410f1 MS |
53 | static void c_type_print_varspec_prefix (struct type *, |
54 | struct ui_file *, | |
79d43c61 | 55 | int, int, int, |
7c161838 SDJ |
56 | const struct type_print_options *, |
57 | struct print_offset_data *); | |
c906108c | 58 | |
aff410f1 MS |
59 | /* Print "const", "volatile", or address space modifiers. */ |
60 | static void c_type_print_modifier (struct type *, | |
61 | struct ui_file *, | |
47663de5 | 62 | int, int); |
7c161838 SDJ |
63 | |
64 | static void c_type_print_base_1 (struct type *type, struct ui_file *stream, | |
65 | int show, int level, | |
66 | const struct type_print_options *flags, | |
67 | struct print_offset_data *podata); | |
c5aa993b | 68 | \f |
bd69fc68 TT |
69 | |
70 | /* A callback function for cp_canonicalize_string_full that uses | |
71 | find_typedef_in_hash. */ | |
72 | ||
73 | static const char * | |
74 | find_typedef_for_canonicalize (struct type *t, void *data) | |
75 | { | |
9a3c8263 | 76 | return find_typedef_in_hash ((const struct type_print_options *) data, t); |
bd69fc68 TT |
77 | } |
78 | ||
79 | /* Print NAME on STREAM. If the 'raw' field of FLAGS is not set, | |
80 | canonicalize NAME using the local typedefs first. */ | |
81 | ||
82 | static void | |
83 | print_name_maybe_canonical (const char *name, | |
84 | const struct type_print_options *flags, | |
85 | struct ui_file *stream) | |
86 | { | |
2f408ecb | 87 | std::string s; |
bd69fc68 TT |
88 | |
89 | if (!flags->raw) | |
90 | s = cp_canonicalize_string_full (name, | |
91 | find_typedef_for_canonicalize, | |
92 | (void *) flags); | |
93 | ||
2f408ecb | 94 | fputs_filtered (!s.empty () ? s.c_str () : name, stream); |
bd69fc68 TT |
95 | } |
96 | ||
97 | \f | |
98 | ||
7c161838 | 99 | /* Helper function for c_print_type. */ |
c906108c | 100 | |
7c161838 SDJ |
101 | static void |
102 | c_print_type_1 (struct type *type, | |
103 | const char *varstring, | |
104 | struct ui_file *stream, | |
105 | int show, int level, | |
106 | const struct type_print_options *flags, | |
107 | struct print_offset_data *podata) | |
c906108c | 108 | { |
52f0bd74 | 109 | enum type_code code; |
c906108c | 110 | int demangled_args; |
9750e763 | 111 | int need_post_space; |
bd69fc68 | 112 | const char *local_name; |
c906108c SS |
113 | |
114 | if (show > 0) | |
f168693b | 115 | type = check_typedef (type); |
c906108c | 116 | |
bd69fc68 TT |
117 | local_name = find_typedef_in_hash (flags, type); |
118 | if (local_name != NULL) | |
119 | { | |
120 | fputs_filtered (local_name, stream); | |
121 | if (varstring != NULL && *varstring != '\0') | |
122 | fputs_filtered (" ", stream); | |
123 | } | |
124 | else | |
125 | { | |
7c161838 | 126 | c_type_print_base_1 (type, stream, show, level, flags, podata); |
bd69fc68 TT |
127 | code = TYPE_CODE (type); |
128 | if ((varstring != NULL && *varstring != '\0') | |
129 | /* Need a space if going to print stars or brackets; | |
130 | but not if we will print just a type name. */ | |
131 | || ((show > 0 || TYPE_NAME (type) == 0) | |
132 | && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | |
133 | || code == TYPE_CODE_METHOD | |
134 | || (code == TYPE_CODE_ARRAY | |
135 | && !TYPE_VECTOR (type)) | |
136 | || code == TYPE_CODE_MEMBERPTR | |
137 | || code == TYPE_CODE_METHODPTR | |
e1cb3213 | 138 | || TYPE_IS_REFERENCE (type)))) |
bd69fc68 TT |
139 | fputs_filtered (" ", stream); |
140 | need_post_space = (varstring != NULL && strcmp (varstring, "") != 0); | |
141 | c_type_print_varspec_prefix (type, stream, show, 0, need_post_space, | |
7c161838 | 142 | flags, podata); |
bd69fc68 | 143 | } |
c906108c SS |
144 | |
145 | if (varstring != NULL) | |
146 | { | |
147 | fputs_filtered (varstring, stream); | |
148 | ||
aff410f1 | 149 | /* For demangled function names, we have the arglist as part of |
0963b4bd | 150 | the name, so don't print an additional pair of ()'s. */ |
bd69fc68 TT |
151 | if (local_name == NULL) |
152 | { | |
153 | demangled_args = strchr (varstring, '(') != NULL; | |
154 | c_type_print_varspec_suffix (type, stream, show, | |
155 | 0, demangled_args, | |
156 | flags); | |
157 | } | |
c906108c SS |
158 | } |
159 | } | |
c5aa993b | 160 | |
7c161838 SDJ |
161 | /* LEVEL is the depth to indent lines by. */ |
162 | ||
163 | void | |
164 | c_print_type (struct type *type, | |
165 | const char *varstring, | |
166 | struct ui_file *stream, | |
167 | int show, int level, | |
168 | const struct type_print_options *flags) | |
169 | { | |
170 | struct print_offset_data podata; | |
171 | ||
172 | c_print_type_1 (type, varstring, stream, show, level, flags, &podata); | |
173 | } | |
174 | ||
5c6ce71d TT |
175 | /* Print a typedef using C syntax. TYPE is the underlying type. |
176 | NEW_SYMBOL is the symbol naming the type. STREAM is the stream on | |
177 | which to print. */ | |
178 | ||
179 | void | |
aff410f1 MS |
180 | c_print_typedef (struct type *type, |
181 | struct symbol *new_symbol, | |
5c6ce71d TT |
182 | struct ui_file *stream) |
183 | { | |
f168693b | 184 | type = check_typedef (type); |
5c6ce71d TT |
185 | fprintf_filtered (stream, "typedef "); |
186 | type_print (type, "", stream, 0); | |
187 | if (TYPE_NAME ((SYMBOL_TYPE (new_symbol))) == 0 | |
188 | || strcmp (TYPE_NAME ((SYMBOL_TYPE (new_symbol))), | |
b1d61bc9 PM |
189 | SYMBOL_LINKAGE_NAME (new_symbol)) != 0 |
190 | || TYPE_CODE (SYMBOL_TYPE (new_symbol)) == TYPE_CODE_TYPEDEF) | |
5c6ce71d TT |
191 | fprintf_filtered (stream, " %s", SYMBOL_PRINT_NAME (new_symbol)); |
192 | fprintf_filtered (stream, ";\n"); | |
193 | } | |
194 | ||
c906108c | 195 | /* If TYPE is a derived type, then print out derivation information. |
aff410f1 MS |
196 | Print only the actual base classes of this type, not the base |
197 | classes of the base classes. I.e. for the derivation hierarchy: | |
c906108c | 198 | |
c5aa993b JM |
199 | class A { int a; }; |
200 | class B : public A {int b; }; | |
201 | class C : public B {int c; }; | |
c906108c SS |
202 | |
203 | Print the type of class C as: | |
204 | ||
c5aa993b JM |
205 | class C : public B { |
206 | int c; | |
207 | } | |
c906108c | 208 | |
aff410f1 MS |
209 | Not as the following (like gdb used to), which is not legal C++ |
210 | syntax for derived types and may be confused with the multiple | |
211 | inheritance form: | |
c906108c | 212 | |
c5aa993b JM |
213 | class C : public B : public A { |
214 | int c; | |
215 | } | |
c906108c | 216 | |
aff410f1 | 217 | In general, gdb should try to print the types as closely as |
62a49610 | 218 | possible to the form that they appear in the source code. */ |
c906108c SS |
219 | |
220 | static void | |
aff410f1 | 221 | cp_type_print_derivation_info (struct ui_file *stream, |
bd69fc68 TT |
222 | struct type *type, |
223 | const struct type_print_options *flags) | |
c906108c | 224 | { |
0d5cff50 | 225 | const char *name; |
c906108c SS |
226 | int i; |
227 | ||
228 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) | |
229 | { | |
bd69fc68 | 230 | wrap_here (" "); |
c906108c SS |
231 | fputs_filtered (i == 0 ? ": " : ", ", stream); |
232 | fprintf_filtered (stream, "%s%s ", | |
aff410f1 MS |
233 | BASETYPE_VIA_PUBLIC (type, i) |
234 | ? "public" : (TYPE_FIELD_PROTECTED (type, i) | |
235 | ? "protected" : "private"), | |
c5aa993b | 236 | BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : ""); |
c906108c | 237 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); |
bd69fc68 TT |
238 | if (name) |
239 | print_name_maybe_canonical (name, flags, stream); | |
240 | else | |
241 | fprintf_filtered (stream, "(null)"); | |
c906108c SS |
242 | } |
243 | if (i > 0) | |
244 | { | |
245 | fputs_filtered (" ", stream); | |
246 | } | |
247 | } | |
ad2f7632 | 248 | |
c906108c | 249 | /* Print the C++ method arguments ARGS to the file STREAM. */ |
c5aa993b | 250 | |
392a587b | 251 | static void |
0d5cff50 DE |
252 | cp_type_print_method_args (struct type *mtype, const char *prefix, |
253 | const char *varstring, int staticp, | |
6c8702eb TT |
254 | struct ui_file *stream, |
255 | const struct type_print_options *flags) | |
c906108c | 256 | { |
ad2f7632 DJ |
257 | struct field *args = TYPE_FIELDS (mtype); |
258 | int nargs = TYPE_NFIELDS (mtype); | |
259 | int varargs = TYPE_VARARGS (mtype); | |
c906108c | 260 | int i; |
c5aa993b | 261 | |
aff410f1 MS |
262 | fprintf_symbol_filtered (stream, prefix, |
263 | language_cplus, DMGL_ANSI); | |
264 | fprintf_symbol_filtered (stream, varstring, | |
265 | language_cplus, DMGL_ANSI); | |
c906108c | 266 | fputs_filtered ("(", stream); |
ad2f7632 | 267 | |
5f4d1085 KS |
268 | /* Skip the class variable. We keep this here to accommodate older |
269 | compilers and debug formats which may not support artificial | |
270 | parameters. */ | |
ad2f7632 DJ |
271 | i = staticp ? 0 : 1; |
272 | if (nargs > i) | |
c906108c | 273 | { |
ad2f7632 | 274 | while (i < nargs) |
c5aa993b | 275 | { |
5f4d1085 KS |
276 | struct field arg = args[i++]; |
277 | ||
278 | /* Skip any artificial arguments. */ | |
279 | if (FIELD_ARTIFICIAL (arg)) | |
280 | continue; | |
281 | ||
282 | c_print_type (arg.type, "", stream, 0, 0, flags); | |
ad2f7632 DJ |
283 | |
284 | if (i == nargs && varargs) | |
285 | fprintf_filtered (stream, ", ..."); | |
286 | else if (i < nargs) | |
bd69fc68 TT |
287 | { |
288 | fprintf_filtered (stream, ", "); | |
289 | wrap_here (" "); | |
290 | } | |
c5aa993b | 291 | } |
c906108c | 292 | } |
ad2f7632 DJ |
293 | else if (varargs) |
294 | fprintf_filtered (stream, "..."); | |
c906108c | 295 | else if (current_language->la_language == language_cplus) |
ad2f7632 | 296 | fprintf_filtered (stream, "void"); |
c5aa993b | 297 | |
c906108c | 298 | fprintf_filtered (stream, ")"); |
94af9270 KS |
299 | |
300 | /* For non-static methods, read qualifiers from the type of | |
301 | THIS. */ | |
302 | if (!staticp) | |
303 | { | |
304 | struct type *domain; | |
305 | ||
306 | gdb_assert (nargs > 0); | |
307 | gdb_assert (TYPE_CODE (args[0].type) == TYPE_CODE_PTR); | |
308 | domain = TYPE_TARGET_TYPE (args[0].type); | |
309 | ||
310 | if (TYPE_CONST (domain)) | |
311 | fprintf_filtered (stream, " const"); | |
312 | ||
313 | if (TYPE_VOLATILE (domain)) | |
314 | fprintf_filtered (stream, " volatile"); | |
06d66ee9 TT |
315 | |
316 | if (TYPE_RESTRICT (domain)) | |
317 | fprintf_filtered (stream, " restrict"); | |
a2c2acaf MW |
318 | |
319 | if (TYPE_ATOMIC (domain)) | |
320 | fprintf_filtered (stream, " _Atomic"); | |
94af9270 | 321 | } |
c906108c SS |
322 | } |
323 | ||
324 | ||
325 | /* Print any asterisks or open-parentheses needed before the | |
326 | variable name (to describe its type). | |
327 | ||
328 | On outermost call, pass 0 for PASSED_A_PTR. | |
329 | On outermost call, SHOW > 0 means should ignore | |
330 | any typename for TYPE and show its details. | |
9750e763 KB |
331 | SHOW is always zero on recursive calls. |
332 | ||
333 | NEED_POST_SPACE is non-zero when a space will be be needed | |
334 | between a trailing qualifier and a field, variable, or function | |
335 | name. */ | |
c906108c | 336 | |
a737a51b | 337 | static void |
aff410f1 MS |
338 | c_type_print_varspec_prefix (struct type *type, |
339 | struct ui_file *stream, | |
340 | int show, int passed_a_ptr, | |
79d43c61 | 341 | int need_post_space, |
7c161838 SDJ |
342 | const struct type_print_options *flags, |
343 | struct print_offset_data *podata) | |
c906108c | 344 | { |
0d5cff50 | 345 | const char *name; |
c5504eaf | 346 | |
c906108c SS |
347 | if (type == 0) |
348 | return; | |
349 | ||
350 | if (TYPE_NAME (type) && show <= 0) | |
351 | return; | |
352 | ||
353 | QUIT; | |
354 | ||
355 | switch (TYPE_CODE (type)) | |
356 | { | |
357 | case TYPE_CODE_PTR: | |
aff410f1 | 358 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
7c161838 | 359 | stream, show, 1, 1, flags, podata); |
c906108c | 360 | fprintf_filtered (stream, "*"); |
9750e763 | 361 | c_type_print_modifier (type, stream, 1, need_post_space); |
c906108c SS |
362 | break; |
363 | ||
0d5de010 | 364 | case TYPE_CODE_MEMBERPTR: |
aff410f1 | 365 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
7c161838 | 366 | stream, show, 0, 0, flags, podata); |
4bfb94b8 | 367 | name = type_name_no_tag (TYPE_SELF_TYPE (type)); |
c906108c | 368 | if (name) |
bd69fc68 | 369 | print_name_maybe_canonical (name, flags, stream); |
c906108c | 370 | else |
7c161838 SDJ |
371 | c_type_print_base_1 (TYPE_SELF_TYPE (type), |
372 | stream, -1, passed_a_ptr, flags, podata); | |
0d5de010 | 373 | fprintf_filtered (stream, "::*"); |
c906108c SS |
374 | break; |
375 | ||
0d5de010 | 376 | case TYPE_CODE_METHODPTR: |
aff410f1 | 377 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
7c161838 | 378 | stream, show, 0, 0, flags, podata); |
0d5de010 | 379 | fprintf_filtered (stream, "("); |
4bfb94b8 | 380 | name = type_name_no_tag (TYPE_SELF_TYPE (type)); |
0d5de010 | 381 | if (name) |
bd69fc68 | 382 | print_name_maybe_canonical (name, flags, stream); |
0d5de010 | 383 | else |
7c161838 SDJ |
384 | c_type_print_base_1 (TYPE_SELF_TYPE (type), |
385 | stream, -1, passed_a_ptr, flags, podata); | |
0d5de010 | 386 | fprintf_filtered (stream, "::*"); |
c906108c SS |
387 | break; |
388 | ||
389 | case TYPE_CODE_REF: | |
e1cb3213 | 390 | case TYPE_CODE_RVALUE_REF: |
aff410f1 | 391 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
7c161838 | 392 | stream, show, 1, 0, flags, podata); |
e1cb3213 | 393 | fprintf_filtered (stream, TYPE_CODE(type) == TYPE_CODE_REF ? "&" : "&&"); |
9750e763 | 394 | c_type_print_modifier (type, stream, 1, need_post_space); |
c906108c SS |
395 | break; |
396 | ||
0d5de010 | 397 | case TYPE_CODE_METHOD: |
c906108c | 398 | case TYPE_CODE_FUNC: |
aff410f1 | 399 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
7c161838 | 400 | stream, show, 0, 0, flags, podata); |
c906108c SS |
401 | if (passed_a_ptr) |
402 | fprintf_filtered (stream, "("); | |
403 | break; | |
404 | ||
405 | case TYPE_CODE_ARRAY: | |
aff410f1 | 406 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
7c161838 | 407 | stream, show, 0, 0, flags, podata); |
c906108c SS |
408 | if (passed_a_ptr) |
409 | fprintf_filtered (stream, "("); | |
410 | break; | |
411 | ||
248f8055 | 412 | case TYPE_CODE_TYPEDEF: |
aff410f1 | 413 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
7c161838 SDJ |
414 | stream, show, passed_a_ptr, 0, flags, |
415 | podata); | |
248f8055 DJ |
416 | break; |
417 | ||
c906108c SS |
418 | case TYPE_CODE_UNDEF: |
419 | case TYPE_CODE_STRUCT: | |
420 | case TYPE_CODE_UNION: | |
421 | case TYPE_CODE_ENUM: | |
81516450 | 422 | case TYPE_CODE_FLAGS: |
c906108c SS |
423 | case TYPE_CODE_INT: |
424 | case TYPE_CODE_FLT: | |
425 | case TYPE_CODE_VOID: | |
426 | case TYPE_CODE_ERROR: | |
427 | case TYPE_CODE_CHAR: | |
428 | case TYPE_CODE_BOOL: | |
429 | case TYPE_CODE_SET: | |
430 | case TYPE_CODE_RANGE: | |
431 | case TYPE_CODE_STRING: | |
c906108c | 432 | case TYPE_CODE_COMPLEX: |
5c4e30ca | 433 | case TYPE_CODE_NAMESPACE: |
7678ef8f | 434 | case TYPE_CODE_DECFLOAT: |
c906108c | 435 | /* These types need no prefix. They are listed here so that |
c5aa993b | 436 | gcc -Wall will reveal any types that haven't been handled. */ |
c906108c | 437 | break; |
c4093a6a | 438 | default: |
3d263c1d | 439 | error (_("type not handled in c_type_print_varspec_prefix()")); |
c4093a6a | 440 | break; |
c906108c SS |
441 | } |
442 | } | |
443 | ||
64b00020 DE |
444 | /* Print out "const" and "volatile" attributes, |
445 | and address space id if present. | |
c906108c SS |
446 | TYPE is a pointer to the type being printed out. |
447 | STREAM is the output destination. | |
a737a51b DE |
448 | NEED_PRE_SPACE = 1 indicates an initial white space is needed. |
449 | NEED_POST_SPACE = 1 indicates a final white space is needed. */ | |
c906108c SS |
450 | |
451 | static void | |
47663de5 MS |
452 | c_type_print_modifier (struct type *type, struct ui_file *stream, |
453 | int need_pre_space, int need_post_space) | |
c906108c | 454 | { |
47663de5 | 455 | int did_print_modifier = 0; |
321432c0 | 456 | const char *address_space_id; |
c5aa993b | 457 | |
7f0b5c30 JB |
458 | /* We don't print `const' qualifiers for references --- since all |
459 | operators affect the thing referenced, not the reference itself, | |
460 | every reference is `const'. */ | |
e1cb3213 | 461 | if (TYPE_CONST (type) && !TYPE_IS_REFERENCE (type)) |
c906108c SS |
462 | { |
463 | if (need_pre_space) | |
c5aa993b | 464 | fprintf_filtered (stream, " "); |
c906108c | 465 | fprintf_filtered (stream, "const"); |
47663de5 | 466 | did_print_modifier = 1; |
c906108c | 467 | } |
c5aa993b | 468 | |
c906108c SS |
469 | if (TYPE_VOLATILE (type)) |
470 | { | |
47663de5 | 471 | if (did_print_modifier || need_pre_space) |
c5aa993b | 472 | fprintf_filtered (stream, " "); |
c906108c | 473 | fprintf_filtered (stream, "volatile"); |
47663de5 | 474 | did_print_modifier = 1; |
c906108c SS |
475 | } |
476 | ||
06d66ee9 TT |
477 | if (TYPE_RESTRICT (type)) |
478 | { | |
479 | if (did_print_modifier || need_pre_space) | |
480 | fprintf_filtered (stream, " "); | |
481 | fprintf_filtered (stream, "restrict"); | |
482 | did_print_modifier = 1; | |
483 | } | |
484 | ||
a2c2acaf MW |
485 | if (TYPE_ATOMIC (type)) |
486 | { | |
487 | if (did_print_modifier || need_pre_space) | |
488 | fprintf_filtered (stream, " "); | |
489 | fprintf_filtered (stream, "_Atomic"); | |
490 | did_print_modifier = 1; | |
491 | } | |
492 | ||
50810684 UW |
493 | address_space_id = address_space_int_to_name (get_type_arch (type), |
494 | TYPE_INSTANCE_FLAGS (type)); | |
47663de5 MS |
495 | if (address_space_id) |
496 | { | |
497 | if (did_print_modifier || need_pre_space) | |
498 | fprintf_filtered (stream, " "); | |
499 | fprintf_filtered (stream, "@%s", address_space_id); | |
500 | did_print_modifier = 1; | |
501 | } | |
502 | ||
503 | if (did_print_modifier && need_post_space) | |
c906108c SS |
504 | fprintf_filtered (stream, " "); |
505 | } | |
506 | ||
507 | ||
0d5de010 DJ |
508 | /* Print out the arguments of TYPE, which should have TYPE_CODE_METHOD |
509 | or TYPE_CODE_FUNC, to STREAM. Artificial arguments, such as "this" | |
3167638f JK |
510 | in non-static methods, are displayed if LINKAGE_NAME is zero. If |
511 | LINKAGE_NAME is non-zero and LANGUAGE is language_cplus the topmost | |
512 | parameter types get removed their possible const and volatile qualifiers to | |
513 | match demangled linkage name parameters part of such function type. | |
514 | LANGUAGE is the language in which TYPE was defined. This is a necessary | |
9c37b5ae | 515 | evil since this code is used by the C and C++. */ |
c906108c | 516 | |
94af9270 KS |
517 | void |
518 | c_type_print_args (struct type *type, struct ui_file *stream, | |
79d43c61 TT |
519 | int linkage_name, enum language language, |
520 | const struct type_print_options *flags) | |
c906108c | 521 | { |
df54f8eb | 522 | int i; |
0d5de010 | 523 | int printed_any = 0; |
c906108c SS |
524 | |
525 | fprintf_filtered (stream, "("); | |
ad2f7632 | 526 | |
0d5de010 DJ |
527 | for (i = 0; i < TYPE_NFIELDS (type); i++) |
528 | { | |
bc9a5551 JK |
529 | struct type *param_type; |
530 | ||
3167638f | 531 | if (TYPE_FIELD_ARTIFICIAL (type, i) && linkage_name) |
94af9270 KS |
532 | continue; |
533 | ||
0d5de010 | 534 | if (printed_any) |
c906108c | 535 | { |
0d5de010 DJ |
536 | fprintf_filtered (stream, ", "); |
537 | wrap_here (" "); | |
c906108c | 538 | } |
0d5de010 | 539 | |
bc9a5551 JK |
540 | param_type = TYPE_FIELD_TYPE (type, i); |
541 | ||
3167638f | 542 | if (language == language_cplus && linkage_name) |
bc9a5551 JK |
543 | { |
544 | /* C++ standard, 13.1 Overloadable declarations, point 3, item: | |
545 | - Parameter declarations that differ only in the presence or | |
546 | absence of const and/or volatile are equivalent. | |
547 | ||
548 | And the const/volatile qualifiers are not present in the mangled | |
549 | names as produced by GCC. */ | |
550 | ||
551 | param_type = make_cv_type (0, 0, param_type, NULL); | |
552 | } | |
553 | ||
9c37b5ae | 554 | c_print_type (param_type, "", stream, -1, 0, flags); |
0d5de010 | 555 | printed_any = 1; |
c906108c | 556 | } |
0d5de010 DJ |
557 | |
558 | if (printed_any && TYPE_VARARGS (type)) | |
c906108c | 559 | { |
0d5de010 DJ |
560 | /* Print out a trailing ellipsis for varargs functions. Ignore |
561 | TYPE_VARARGS if the function has no named arguments; that | |
562 | represents unprototyped (K&R style) C functions. */ | |
563 | if (printed_any && TYPE_VARARGS (type)) | |
564 | { | |
565 | fprintf_filtered (stream, ", "); | |
566 | wrap_here (" "); | |
567 | fprintf_filtered (stream, "..."); | |
568 | } | |
c906108c | 569 | } |
0d5de010 | 570 | else if (!printed_any |
9c37b5ae | 571 | && (TYPE_PROTOTYPED (type) || language == language_cplus)) |
0d5de010 | 572 | fprintf_filtered (stream, "void"); |
c5aa993b | 573 | |
c906108c SS |
574 | fprintf_filtered (stream, ")"); |
575 | } | |
576 | ||
dfcd3bfb JM |
577 | /* Return true iff the j'th overloading of the i'th method of TYPE |
578 | is a type conversion operator, like `operator int () { ... }'. | |
579 | When listing a class's methods, we don't print the return type of | |
580 | such operators. */ | |
a737a51b | 581 | |
dfcd3bfb JM |
582 | static int |
583 | is_type_conversion_operator (struct type *type, int i, int j) | |
584 | { | |
585 | /* I think the whole idea of recognizing type conversion operators | |
586 | by their name is pretty terrible. But I don't think our present | |
587 | data structure gives us any other way to tell. If you know of | |
588 | some other way, feel free to rewrite this function. */ | |
0d5cff50 | 589 | const char *name = TYPE_FN_FIELDLIST_NAME (type, i); |
dfcd3bfb | 590 | |
8090b426 | 591 | if (!startswith (name, CP_OPERATOR_STR)) |
dfcd3bfb JM |
592 | return 0; |
593 | ||
594 | name += 8; | |
595 | if (! strchr (" \t\f\n\r", *name)) | |
596 | return 0; | |
597 | ||
598 | while (strchr (" \t\f\n\r", *name)) | |
599 | name++; | |
600 | ||
b0129042 DJ |
601 | if (!('a' <= *name && *name <= 'z') |
602 | && !('A' <= *name && *name <= 'Z') | |
603 | && *name != '_') | |
604 | /* If this doesn't look like the start of an identifier, then it | |
605 | isn't a type conversion operator. */ | |
606 | return 0; | |
61012eef | 607 | else if (startswith (name, "new")) |
dfcd3bfb | 608 | name += 3; |
61012eef | 609 | else if (startswith (name, "delete")) |
dfcd3bfb JM |
610 | name += 6; |
611 | else | |
39c22d1a JM |
612 | /* If it doesn't look like new or delete, it's a type conversion |
613 | operator. */ | |
614 | return 1; | |
dfcd3bfb JM |
615 | |
616 | /* Is that really the end of the name? */ | |
617 | if (('a' <= *name && *name <= 'z') | |
618 | || ('A' <= *name && *name <= 'Z') | |
619 | || ('0' <= *name && *name <= '9') | |
620 | || *name == '_') | |
621 | /* No, so the identifier following "operator" must be a type name, | |
622 | and this is a type conversion operator. */ | |
623 | return 1; | |
624 | ||
625 | /* That was indeed the end of the name, so it was `operator new' or | |
aff410f1 MS |
626 | `operator delete', neither of which are type conversion |
627 | operators. */ | |
dfcd3bfb JM |
628 | return 0; |
629 | } | |
630 | ||
dfcd3bfb JM |
631 | /* Given a C++ qualified identifier QID, strip off the qualifiers, |
632 | yielding the unqualified name. The return value is a pointer into | |
633 | the original string. | |
634 | ||
635 | It's a pity we don't have this information in some more structured | |
636 | form. Even the author of this function feels that writing little | |
637 | parsers like this everywhere is stupid. */ | |
a737a51b | 638 | |
dfcd3bfb JM |
639 | static char * |
640 | remove_qualifiers (char *qid) | |
641 | { | |
0963b4bd | 642 | int quoted = 0; /* Zero if we're not in quotes; |
aff410f1 MS |
643 | '"' if we're in a double-quoted string; |
644 | '\'' if we're in a single-quoted string. */ | |
0963b4bd | 645 | int depth = 0; /* Number of unclosed parens we've seen. */ |
dfcd3bfb JM |
646 | char *parenstack = (char *) alloca (strlen (qid)); |
647 | char *scan; | |
aff410f1 MS |
648 | char *last = 0; /* The character after the rightmost |
649 | `::' token we've seen so far. */ | |
dfcd3bfb JM |
650 | |
651 | for (scan = qid; *scan; scan++) | |
652 | { | |
653 | if (quoted) | |
654 | { | |
655 | if (*scan == quoted) | |
656 | quoted = 0; | |
657 | else if (*scan == '\\' && *(scan + 1)) | |
658 | scan++; | |
659 | } | |
660 | else if (scan[0] == ':' && scan[1] == ':') | |
661 | { | |
662 | /* If we're inside parenthesis (i.e., an argument list) or | |
663 | angle brackets (i.e., a list of template arguments), then | |
664 | we don't record the position of this :: token, since it's | |
aff410f1 MS |
665 | not relevant to the top-level structure we're trying to |
666 | operate on. */ | |
dfcd3bfb JM |
667 | if (depth == 0) |
668 | { | |
669 | last = scan + 2; | |
670 | scan++; | |
671 | } | |
672 | } | |
673 | else if (*scan == '"' || *scan == '\'') | |
674 | quoted = *scan; | |
675 | else if (*scan == '(') | |
676 | parenstack[depth++] = ')'; | |
677 | else if (*scan == '[') | |
678 | parenstack[depth++] = ']'; | |
679 | /* We're going to treat <> as a pair of matching characters, | |
680 | since we're more likely to see those in template id's than | |
681 | real less-than characters. What a crock. */ | |
682 | else if (*scan == '<') | |
683 | parenstack[depth++] = '>'; | |
684 | else if (*scan == ')' || *scan == ']' || *scan == '>') | |
685 | { | |
686 | if (depth > 0 && parenstack[depth - 1] == *scan) | |
687 | depth--; | |
688 | else | |
689 | { | |
aff410f1 MS |
690 | /* We're going to do a little error recovery here. If |
691 | we don't find a match for *scan on the paren stack, | |
692 | but there is something lower on the stack that does | |
693 | match, we pop the stack to that point. */ | |
dfcd3bfb JM |
694 | int i; |
695 | ||
696 | for (i = depth - 1; i >= 0; i--) | |
697 | if (parenstack[i] == *scan) | |
698 | { | |
699 | depth = i; | |
700 | break; | |
701 | } | |
702 | } | |
703 | } | |
704 | } | |
705 | ||
706 | if (last) | |
707 | return last; | |
708 | else | |
709 | /* We didn't find any :: tokens at the top level, so declare the | |
710 | whole thing an unqualified identifier. */ | |
711 | return qid; | |
712 | } | |
713 | ||
c906108c SS |
714 | /* Print any array sizes, function arguments or close parentheses |
715 | needed after the variable name (to describe its type). | |
716 | Args work like c_type_print_varspec_prefix. */ | |
717 | ||
718 | void | |
aff410f1 MS |
719 | c_type_print_varspec_suffix (struct type *type, |
720 | struct ui_file *stream, | |
721 | int show, int passed_a_ptr, | |
79d43c61 TT |
722 | int demangled_args, |
723 | const struct type_print_options *flags) | |
c906108c SS |
724 | { |
725 | if (type == 0) | |
726 | return; | |
727 | ||
728 | if (TYPE_NAME (type) && show <= 0) | |
729 | return; | |
730 | ||
731 | QUIT; | |
732 | ||
733 | switch (TYPE_CODE (type)) | |
734 | { | |
735 | case TYPE_CODE_ARRAY: | |
dbc98a8b KW |
736 | { |
737 | LONGEST low_bound, high_bound; | |
42056501 | 738 | int is_vector = TYPE_VECTOR (type); |
c5aa993b | 739 | |
dbc98a8b KW |
740 | if (passed_a_ptr) |
741 | fprintf_filtered (stream, ")"); | |
c5aa993b | 742 | |
42056501 | 743 | fprintf_filtered (stream, (is_vector ? |
2f27adfe | 744 | " __attribute__ ((vector_size(" : "[")); |
1d42e4c4 SA |
745 | /* Bounds are not yet resolved, print a bounds placeholder instead. */ |
746 | if (TYPE_HIGH_BOUND_KIND (TYPE_INDEX_TYPE (type)) == PROP_LOCEXPR | |
747 | || TYPE_HIGH_BOUND_KIND (TYPE_INDEX_TYPE (type)) == PROP_LOCLIST) | |
748 | fprintf_filtered (stream, "variable length"); | |
749 | else if (get_array_bounds (type, &low_bound, &high_bound)) | |
318102b9 SP |
750 | fprintf_filtered (stream, "%s", |
751 | plongest (high_bound - low_bound + 1)); | |
42056501 | 752 | fprintf_filtered (stream, (is_vector ? ")))" : "]")); |
dbc98a8b | 753 | |
aff410f1 | 754 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
79d43c61 | 755 | show, 0, 0, flags); |
dbc98a8b | 756 | } |
c906108c SS |
757 | break; |
758 | ||
0d5de010 | 759 | case TYPE_CODE_MEMBERPTR: |
aff410f1 | 760 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
79d43c61 | 761 | show, 0, 0, flags); |
c906108c SS |
762 | break; |
763 | ||
0d5de010 DJ |
764 | case TYPE_CODE_METHODPTR: |
765 | fprintf_filtered (stream, ")"); | |
aff410f1 | 766 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
79d43c61 | 767 | show, 0, 0, flags); |
c906108c SS |
768 | break; |
769 | ||
770 | case TYPE_CODE_PTR: | |
771 | case TYPE_CODE_REF: | |
e1cb3213 | 772 | case TYPE_CODE_RVALUE_REF: |
aff410f1 | 773 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
79d43c61 | 774 | show, 1, 0, flags); |
c906108c SS |
775 | break; |
776 | ||
0d5de010 | 777 | case TYPE_CODE_METHOD: |
c906108c SS |
778 | case TYPE_CODE_FUNC: |
779 | if (passed_a_ptr) | |
780 | fprintf_filtered (stream, ")"); | |
781 | if (!demangled_args) | |
79d43c61 TT |
782 | c_type_print_args (type, stream, 0, current_language->la_language, |
783 | flags); | |
aff410f1 | 784 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
79d43c61 | 785 | show, passed_a_ptr, 0, flags); |
248f8055 DJ |
786 | break; |
787 | ||
788 | case TYPE_CODE_TYPEDEF: | |
aff410f1 | 789 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
79d43c61 | 790 | show, passed_a_ptr, 0, flags); |
c906108c SS |
791 | break; |
792 | ||
793 | case TYPE_CODE_UNDEF: | |
794 | case TYPE_CODE_STRUCT: | |
795 | case TYPE_CODE_UNION: | |
81516450 | 796 | case TYPE_CODE_FLAGS: |
c906108c SS |
797 | case TYPE_CODE_ENUM: |
798 | case TYPE_CODE_INT: | |
799 | case TYPE_CODE_FLT: | |
800 | case TYPE_CODE_VOID: | |
801 | case TYPE_CODE_ERROR: | |
802 | case TYPE_CODE_CHAR: | |
803 | case TYPE_CODE_BOOL: | |
804 | case TYPE_CODE_SET: | |
805 | case TYPE_CODE_RANGE: | |
806 | case TYPE_CODE_STRING: | |
c906108c | 807 | case TYPE_CODE_COMPLEX: |
5c4e30ca | 808 | case TYPE_CODE_NAMESPACE: |
7678ef8f | 809 | case TYPE_CODE_DECFLOAT: |
c906108c | 810 | /* These types do not need a suffix. They are listed so that |
aff410f1 MS |
811 | gcc -Wall will report types that may not have been |
812 | considered. */ | |
c906108c | 813 | break; |
c4093a6a | 814 | default: |
3d263c1d | 815 | error (_("type not handled in c_type_print_varspec_suffix()")); |
c4093a6a | 816 | break; |
c906108c SS |
817 | } |
818 | } | |
819 | ||
bd69fc68 TT |
820 | /* A helper for c_type_print_base that displays template |
821 | parameters and their bindings, if needed. | |
822 | ||
823 | TABLE is the local bindings table to use. If NULL, no printing is | |
824 | done. Note that, at this point, TABLE won't have any useful | |
825 | information in it -- but it is also used as a flag to | |
826 | print_name_maybe_canonical to activate searching the global typedef | |
827 | table. | |
828 | ||
829 | TYPE is the type whose template arguments are being displayed. | |
830 | ||
831 | STREAM is the stream on which to print. */ | |
832 | ||
833 | static void | |
834 | c_type_print_template_args (const struct type_print_options *flags, | |
835 | struct type *type, struct ui_file *stream) | |
836 | { | |
837 | int first = 1, i; | |
838 | ||
839 | if (flags->raw) | |
840 | return; | |
841 | ||
842 | for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (type); ++i) | |
843 | { | |
844 | struct symbol *sym = TYPE_TEMPLATE_ARGUMENT (type, i); | |
845 | ||
846 | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) | |
847 | continue; | |
848 | ||
849 | if (first) | |
850 | { | |
851 | wrap_here (" "); | |
852 | fprintf_filtered (stream, _("[with %s = "), | |
853 | SYMBOL_LINKAGE_NAME (sym)); | |
854 | first = 0; | |
855 | } | |
856 | else | |
857 | { | |
858 | fputs_filtered (", ", stream); | |
859 | wrap_here (" "); | |
860 | fprintf_filtered (stream, "%s = ", SYMBOL_LINKAGE_NAME (sym)); | |
861 | } | |
862 | ||
863 | c_print_type (SYMBOL_TYPE (sym), "", stream, -1, 0, flags); | |
864 | } | |
865 | ||
866 | if (!first) | |
867 | fputs_filtered (_("] "), stream); | |
868 | } | |
869 | ||
7c161838 SDJ |
870 | /* Use 'print_spaces_filtered', but take into consideration the |
871 | type_print_options FLAGS in order to determine how many whitespaces | |
872 | will be printed. */ | |
873 | ||
874 | static void | |
875 | print_spaces_filtered_with_print_options | |
876 | (int level, struct ui_file *stream, const struct type_print_options *flags) | |
877 | { | |
878 | if (!flags->print_offsets) | |
879 | print_spaces_filtered (level, stream); | |
880 | else | |
881 | print_spaces_filtered (level + OFFSET_SPC_LEN, stream); | |
882 | } | |
883 | ||
c191a687 KS |
884 | /* Output an access specifier to STREAM, if needed. LAST_ACCESS is the |
885 | last access specifier output (typically returned by this function). */ | |
886 | ||
887 | static enum access_specifier | |
888 | output_access_specifier (struct ui_file *stream, | |
889 | enum access_specifier last_access, | |
7c161838 SDJ |
890 | int level, bool is_protected, bool is_private, |
891 | const struct type_print_options *flags) | |
c191a687 KS |
892 | { |
893 | if (is_protected) | |
894 | { | |
895 | if (last_access != s_protected) | |
896 | { | |
897 | last_access = s_protected; | |
7c161838 SDJ |
898 | print_spaces_filtered_with_print_options (level + 2, stream, flags); |
899 | fprintf_filtered (stream, "protected:\n"); | |
c191a687 KS |
900 | } |
901 | } | |
902 | else if (is_private) | |
903 | { | |
904 | if (last_access != s_private) | |
905 | { | |
906 | last_access = s_private; | |
7c161838 SDJ |
907 | print_spaces_filtered_with_print_options (level + 2, stream, flags); |
908 | fprintf_filtered (stream, "private:\n"); | |
c191a687 KS |
909 | } |
910 | } | |
911 | else | |
912 | { | |
913 | if (last_access != s_public) | |
914 | { | |
915 | last_access = s_public; | |
7c161838 SDJ |
916 | print_spaces_filtered_with_print_options (level + 2, stream, flags); |
917 | fprintf_filtered (stream, "public:\n"); | |
c191a687 KS |
918 | } |
919 | } | |
920 | ||
921 | return last_access; | |
922 | } | |
923 | ||
7c161838 SDJ |
924 | /* Print information about field at index FIELD_IDX of the union type |
925 | TYPE. Since union fields don't have the concept of offsets, we | |
926 | just print their sizes. | |
927 | ||
928 | The output is strongly based on pahole(1). */ | |
929 | ||
930 | static void | |
931 | c_print_type_union_field_offset (struct type *type, unsigned int field_idx, | |
932 | struct ui_file *stream) | |
933 | { | |
934 | struct type *ftype = check_typedef (TYPE_FIELD_TYPE (type, field_idx)); | |
935 | ||
936 | fprintf_filtered (stream, "/* %4u */", TYPE_LENGTH (ftype)); | |
937 | } | |
938 | ||
939 | /* Print information about field at index FIELD_IDX of the struct type | |
940 | TYPE. | |
941 | ||
942 | PODATA->END_BITPOS is the one-past-the-end bit position of the | |
943 | previous field (where we expect this field to be if there is no | |
944 | hole). At the end, ENDPOS is updated to the one-past-the-end bit | |
945 | position of the current field. | |
946 | ||
947 | PODATA->OFFSET_BITPOS is the offset value we carry over when we are | |
948 | printing a struct that is inside another struct; this is useful so | |
949 | that the offset is constantly incremented (if we didn't carry it | |
950 | over, the offset would be reset to zero when printing the inner | |
951 | struct). | |
952 | ||
953 | The output is strongly based on pahole(1). */ | |
954 | ||
955 | static void | |
956 | c_print_type_struct_field_offset (struct type *type, unsigned int field_idx, | |
957 | struct ui_file *stream, | |
958 | struct print_offset_data *podata) | |
959 | { | |
960 | struct type *ftype = check_typedef (TYPE_FIELD_TYPE (type, field_idx)); | |
961 | unsigned int bitpos = TYPE_FIELD_BITPOS (type, field_idx); | |
962 | unsigned int fieldsize_byte = TYPE_LENGTH (ftype); | |
963 | unsigned int fieldsize_bit = fieldsize_byte * TARGET_CHAR_BIT; | |
964 | ||
965 | /* We check for PODATA->END_BITPOS > 0 because there is a specific | |
966 | scenario when PODATA->END_BITPOS can be zero and BITPOS can be > | |
967 | 0: when we are dealing with a struct/class with a virtual method. | |
968 | Because of the vtable, the first field of the struct/class will | |
969 | have an offset of sizeof (void *) (the size of the vtable). If | |
970 | we do not check for PODATA->END_BITPOS > 0 here, GDB will report | |
971 | a hole before the first field, which is not accurate. */ | |
972 | if (podata->end_bitpos > 0 && podata->end_bitpos < bitpos) | |
973 | { | |
974 | /* If PODATA->END_BITPOS is smaller than the current type's | |
975 | bitpos, it means there's a hole in the struct, so we report | |
976 | it here. */ | |
977 | unsigned int hole = bitpos - podata->end_bitpos; | |
978 | unsigned int hole_byte = hole / TARGET_CHAR_BIT; | |
979 | unsigned int hole_bit = hole % TARGET_CHAR_BIT; | |
980 | ||
981 | if (hole_bit > 0) | |
982 | fprintf_filtered (stream, "/* XXX %2u-bit hole */\n", hole_bit); | |
983 | ||
984 | if (hole_byte > 0) | |
985 | fprintf_filtered (stream, "/* XXX %2u-byte hole */\n", hole_byte); | |
986 | } | |
987 | ||
988 | if (TYPE_FIELD_PACKED (type, field_idx)) | |
989 | { | |
990 | /* We're dealing with a bitfield. Print how many bits are left | |
991 | to be used. */ | |
992 | unsigned int bitsize = TYPE_FIELD_BITSIZE (type, field_idx); | |
993 | /* The bitpos relative to the beginning of our container | |
994 | field. */ | |
995 | unsigned int relative_bitpos; | |
996 | ||
997 | /* The following was copied from | |
998 | value.c:value_primitive_field. */ | |
999 | if ((bitpos % fieldsize_bit) + bitsize <= fieldsize_bit) | |
1000 | relative_bitpos = bitpos % fieldsize_bit; | |
1001 | else | |
1002 | relative_bitpos = bitpos % TARGET_CHAR_BIT; | |
1003 | ||
1004 | /* This is the exact offset (in bits) of this bitfield. */ | |
1005 | unsigned int bit_offset | |
1006 | = (bitpos - relative_bitpos) + podata->offset_bitpos; | |
1007 | ||
1008 | /* The position of the field, relative to the beginning of the | |
1009 | struct, and how many bits are left to be used in this | |
1010 | container. */ | |
1011 | fprintf_filtered (stream, "/* %4u:%2u", bit_offset / TARGET_CHAR_BIT, | |
1012 | fieldsize_bit - (relative_bitpos + bitsize)); | |
1013 | fieldsize_bit = bitsize; | |
1014 | } | |
1015 | else | |
1016 | { | |
1017 | /* The position of the field, relative to the beginning of the | |
1018 | struct. */ | |
1019 | fprintf_filtered (stream, "/* %4u", | |
1020 | (bitpos + podata->offset_bitpos) / TARGET_CHAR_BIT); | |
1021 | ||
1022 | fprintf_filtered (stream, " "); | |
1023 | } | |
1024 | ||
1025 | fprintf_filtered (stream, " | %4u */", fieldsize_byte); | |
1026 | ||
1027 | podata->end_bitpos = bitpos + fieldsize_bit; | |
1028 | } | |
1029 | ||
1030 | /* Return true if an access label (i.e., "public:", "private:", | |
a27ed7d6 SDJ |
1031 | "protected:") needs to be printed for TYPE. */ |
1032 | ||
1033 | static bool | |
1034 | need_access_label_p (struct type *type) | |
1035 | { | |
1036 | if (TYPE_DECLARED_CLASS (type)) | |
1037 | { | |
1038 | QUIT; | |
1039 | for (int i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); i++) | |
1040 | if (!TYPE_FIELD_PRIVATE (type, i)) | |
1041 | return true; | |
1042 | QUIT; | |
1043 | for (int j = 0; j < TYPE_NFN_FIELDS (type); j++) | |
1044 | for (int i = 0; i < TYPE_FN_FIELDLIST_LENGTH (type, j); i++) | |
1045 | if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, | |
1046 | j), i)) | |
1047 | return true; | |
1048 | QUIT; | |
1049 | for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); ++i) | |
1050 | if (!TYPE_TYPEDEF_FIELD_PRIVATE (type, i)) | |
1051 | return true; | |
1052 | } | |
1053 | else | |
1054 | { | |
1055 | QUIT; | |
1056 | for (int i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); i++) | |
1057 | if (TYPE_FIELD_PRIVATE (type, i) || TYPE_FIELD_PROTECTED (type, i)) | |
1058 | return true; | |
1059 | QUIT; | |
1060 | for (int j = 0; j < TYPE_NFN_FIELDS (type); j++) | |
1061 | { | |
1062 | QUIT; | |
1063 | for (int i = 0; i < TYPE_FN_FIELDLIST_LENGTH (type, j); i++) | |
1064 | if (TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type, | |
1065 | j), i) | |
1066 | || TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, | |
1067 | j), | |
1068 | i)) | |
1069 | return true; | |
1070 | } | |
1071 | QUIT; | |
1072 | for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); ++i) | |
1073 | if (TYPE_TYPEDEF_FIELD_PROTECTED (type, i) | |
1074 | || TYPE_TYPEDEF_FIELD_PRIVATE (type, i)) | |
1075 | return true; | |
1076 | } | |
1077 | ||
1078 | return false; | |
1079 | } | |
1080 | ||
7c161838 SDJ |
1081 | /* Helper function that temporarily disables FLAGS->PRINT_OFFSETS, |
1082 | calls 'c_print_type_1', and then reenables FLAGS->PRINT_OFFSETS if | |
1083 | applicable. */ | |
1084 | ||
1085 | static void | |
1086 | c_print_type_no_offsets (struct type *type, | |
1087 | const char *varstring, | |
1088 | struct ui_file *stream, | |
1089 | int show, int level, | |
1090 | struct type_print_options *flags, | |
1091 | struct print_offset_data *podata) | |
1092 | { | |
1093 | unsigned int old_po = flags->print_offsets; | |
1094 | ||
1095 | /* Temporarily disable print_offsets, because it would mess with | |
1096 | indentation. */ | |
1097 | flags->print_offsets = 0; | |
1098 | c_print_type_1 (type, varstring, stream, show, level, flags, podata); | |
1099 | flags->print_offsets = old_po; | |
1100 | } | |
1101 | ||
a27ed7d6 SDJ |
1102 | /* Helper for 'c_type_print_base' that handles structs and unions. |
1103 | For a description of the arguments, see 'c_type_print_base'. */ | |
1104 | ||
1105 | static void | |
1106 | c_type_print_base_struct_union (struct type *type, struct ui_file *stream, | |
1107 | int show, int level, | |
7c161838 SDJ |
1108 | const struct type_print_options *flags, |
1109 | struct print_offset_data *podata) | |
a27ed7d6 SDJ |
1110 | { |
1111 | struct type_print_options local_flags = *flags; | |
1112 | struct type_print_options semi_local_flags = *flags; | |
1113 | struct cleanup *local_cleanups = make_cleanup (null_cleanup, NULL); | |
1114 | ||
1115 | local_flags.local_typedefs = NULL; | |
1116 | semi_local_flags.local_typedefs = NULL; | |
1117 | ||
1118 | if (!flags->raw) | |
1119 | { | |
1120 | if (flags->local_typedefs) | |
1121 | local_flags.local_typedefs | |
1122 | = copy_typedef_hash (flags->local_typedefs); | |
1123 | else | |
1124 | local_flags.local_typedefs = create_typedef_hash (); | |
1125 | ||
1126 | make_cleanup_free_typedef_hash (local_flags.local_typedefs); | |
1127 | } | |
1128 | ||
1129 | c_type_print_modifier (type, stream, 0, 1); | |
1130 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
1131 | fprintf_filtered (stream, "union "); | |
1132 | else if (TYPE_DECLARED_CLASS (type)) | |
1133 | fprintf_filtered (stream, "class "); | |
1134 | else | |
1135 | fprintf_filtered (stream, "struct "); | |
1136 | ||
1137 | /* Print the tag if it exists. The HP aCC compiler emits a | |
1138 | spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed | |
1139 | enum}" tag for unnamed struct/union/enum's, which we don't | |
1140 | want to print. */ | |
1141 | if (TYPE_TAG_NAME (type) != NULL | |
1142 | && !startswith (TYPE_TAG_NAME (type), "{unnamed")) | |
1143 | { | |
1144 | /* When printing the tag name, we are still effectively | |
1145 | printing in the outer context, hence the use of FLAGS | |
1146 | here. */ | |
1147 | print_name_maybe_canonical (TYPE_TAG_NAME (type), flags, stream); | |
1148 | if (show > 0) | |
1149 | fputs_filtered (" ", stream); | |
1150 | } | |
1151 | ||
1152 | if (show < 0) | |
1153 | { | |
1154 | /* If we just printed a tag name, no need to print anything | |
1155 | else. */ | |
1156 | if (TYPE_TAG_NAME (type) == NULL) | |
1157 | fprintf_filtered (stream, "{...}"); | |
1158 | } | |
1159 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) | |
1160 | { | |
1161 | struct type *basetype; | |
1162 | int vptr_fieldno; | |
1163 | ||
1164 | c_type_print_template_args (&local_flags, type, stream); | |
1165 | ||
1166 | /* Add in template parameters when printing derivation info. */ | |
1167 | add_template_parameters (local_flags.local_typedefs, type); | |
1168 | cp_type_print_derivation_info (stream, type, &local_flags); | |
1169 | ||
1170 | /* This holds just the global typedefs and the template | |
1171 | parameters. */ | |
1172 | semi_local_flags.local_typedefs | |
1173 | = copy_typedef_hash (local_flags.local_typedefs); | |
1174 | if (semi_local_flags.local_typedefs) | |
1175 | make_cleanup_free_typedef_hash (semi_local_flags.local_typedefs); | |
1176 | ||
1177 | /* Now add in the local typedefs. */ | |
1178 | recursively_update_typedef_hash (local_flags.local_typedefs, type); | |
1179 | ||
1180 | fprintf_filtered (stream, "{\n"); | |
7c161838 | 1181 | |
a27ed7d6 SDJ |
1182 | if (TYPE_NFIELDS (type) == 0 && TYPE_NFN_FIELDS (type) == 0 |
1183 | && TYPE_TYPEDEF_FIELD_COUNT (type) == 0) | |
1184 | { | |
1185 | if (TYPE_STUB (type)) | |
1186 | fprintfi_filtered (level + 4, stream, | |
1187 | _("<incomplete type>\n")); | |
1188 | else | |
1189 | fprintfi_filtered (level + 4, stream, | |
1190 | _("<no data fields>\n")); | |
1191 | } | |
1192 | ||
1193 | /* Start off with no specific section type, so we can print | |
1194 | one for the first field we find, and use that section type | |
1195 | thereafter until we find another type. */ | |
1196 | ||
1197 | enum access_specifier section_type = s_none; | |
1198 | ||
1199 | /* For a class, if all members are private, there's no need | |
1200 | for a "private:" label; similarly, for a struct or union | |
1201 | masquerading as a class, if all members are public, there's | |
1202 | no need for a "public:" label. */ | |
1203 | bool need_access_label = need_access_label_p (type); | |
1204 | ||
1205 | /* If there is a base class for this type, | |
1206 | do not print the field that it occupies. */ | |
1207 | ||
1208 | int len = TYPE_NFIELDS (type); | |
1209 | vptr_fieldno = get_vptr_fieldno (type, &basetype); | |
7c161838 SDJ |
1210 | |
1211 | struct print_offset_data local_podata; | |
1212 | ||
a27ed7d6 SDJ |
1213 | for (int i = TYPE_N_BASECLASSES (type); i < len; i++) |
1214 | { | |
1215 | QUIT; | |
1216 | ||
1217 | /* If we have a virtual table pointer, omit it. Even if | |
1218 | virtual table pointers are not specifically marked in | |
1219 | the debug info, they should be artificial. */ | |
1220 | if ((i == vptr_fieldno && type == basetype) | |
1221 | || TYPE_FIELD_ARTIFICIAL (type, i)) | |
1222 | continue; | |
1223 | ||
1224 | if (need_access_label) | |
1225 | { | |
1226 | section_type = output_access_specifier | |
1227 | (stream, section_type, level, | |
1228 | TYPE_FIELD_PROTECTED (type, i), | |
7c161838 SDJ |
1229 | TYPE_FIELD_PRIVATE (type, i), flags); |
1230 | } | |
1231 | ||
1232 | bool is_static = field_is_static (&TYPE_FIELD (type, i)); | |
1233 | ||
1234 | if (flags->print_offsets) | |
1235 | { | |
1236 | if (!is_static) | |
1237 | { | |
1238 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT) | |
1239 | { | |
1240 | c_print_type_struct_field_offset | |
1241 | (type, i, stream, podata); | |
1242 | } | |
1243 | else if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
1244 | c_print_type_union_field_offset (type, i, stream); | |
1245 | } | |
1246 | else | |
1247 | print_spaces_filtered (OFFSET_SPC_LEN, stream); | |
a27ed7d6 SDJ |
1248 | } |
1249 | ||
1250 | print_spaces_filtered (level + 4, stream); | |
7c161838 | 1251 | if (is_static) |
a27ed7d6 | 1252 | fprintf_filtered (stream, "static "); |
7c161838 SDJ |
1253 | |
1254 | int newshow = show - 1; | |
1255 | ||
1256 | if (flags->print_offsets | |
1257 | && (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_STRUCT | |
1258 | || TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_UNION)) | |
1259 | { | |
1260 | /* If we're printing offsets and this field's type is | |
1261 | either a struct or an union, then we're interested in | |
1262 | expanding it. */ | |
1263 | ++newshow; | |
1264 | ||
1265 | /* Make sure we carry our offset when we expand the | |
1266 | struct/union. */ | |
1267 | local_podata.offset_bitpos | |
1268 | = podata->offset_bitpos + TYPE_FIELD_BITPOS (type, i); | |
1269 | /* We're entering a struct/union. Right now, | |
1270 | PODATA->END_BITPOS points right *after* the | |
1271 | struct/union. However, when printing the first field | |
1272 | of this inner struct/union, the end_bitpos we're | |
1273 | expecting is exactly at the beginning of the | |
1274 | struct/union. Therefore, we subtract the length of | |
1275 | the whole struct/union. */ | |
1276 | local_podata.end_bitpos | |
1277 | = podata->end_bitpos | |
1278 | - TYPE_LENGTH (TYPE_FIELD_TYPE (type, i)) * TARGET_CHAR_BIT; | |
1279 | } | |
1280 | ||
1281 | c_print_type_1 (TYPE_FIELD_TYPE (type, i), | |
1282 | TYPE_FIELD_NAME (type, i), | |
1283 | stream, newshow, level + 4, | |
1284 | &local_flags, &local_podata); | |
1285 | ||
1286 | if (!is_static && TYPE_FIELD_PACKED (type, i)) | |
a27ed7d6 SDJ |
1287 | { |
1288 | /* It is a bitfield. This code does not attempt | |
1289 | to look at the bitpos and reconstruct filler, | |
1290 | unnamed fields. This would lead to misleading | |
1291 | results if the compiler does not put out fields | |
1292 | for such things (I don't know what it does). */ | |
1293 | fprintf_filtered (stream, " : %d", | |
1294 | TYPE_FIELD_BITSIZE (type, i)); | |
1295 | } | |
1296 | fprintf_filtered (stream, ";\n"); | |
1297 | } | |
1298 | ||
1299 | /* If there are both fields and methods, put a blank line | |
1300 | between them. Make sure to count only method that we | |
1301 | will display; artificial methods will be hidden. */ | |
1302 | len = TYPE_NFN_FIELDS (type); | |
1303 | if (!flags->print_methods) | |
1304 | len = 0; | |
1305 | int real_len = 0; | |
1306 | for (int i = 0; i < len; i++) | |
1307 | { | |
1308 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
1309 | int len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
1310 | int j; | |
1311 | ||
1312 | for (j = 0; j < len2; j++) | |
1313 | if (!TYPE_FN_FIELD_ARTIFICIAL (f, j)) | |
1314 | real_len++; | |
1315 | } | |
1316 | if (real_len > 0 && section_type != s_none) | |
1317 | fprintf_filtered (stream, "\n"); | |
1318 | ||
1319 | /* C++: print out the methods. */ | |
1320 | for (int i = 0; i < len; i++) | |
1321 | { | |
1322 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
1323 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
1324 | const char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); | |
1325 | const char *name = type_name_no_tag (type); | |
1326 | int is_constructor = name && strcmp (method_name, | |
1327 | name) == 0; | |
1328 | ||
1329 | for (j = 0; j < len2; j++) | |
1330 | { | |
1331 | const char *mangled_name; | |
1332 | gdb::unique_xmalloc_ptr<char> mangled_name_holder; | |
1333 | char *demangled_name; | |
1334 | const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); | |
1335 | int is_full_physname_constructor = | |
1336 | TYPE_FN_FIELD_CONSTRUCTOR (f, j) | |
1337 | || is_constructor_name (physname) | |
1338 | || is_destructor_name (physname) | |
1339 | || method_name[0] == '~'; | |
1340 | ||
1341 | /* Do not print out artificial methods. */ | |
1342 | if (TYPE_FN_FIELD_ARTIFICIAL (f, j)) | |
1343 | continue; | |
1344 | ||
1345 | QUIT; | |
1346 | section_type = output_access_specifier | |
1347 | (stream, section_type, level, | |
1348 | TYPE_FN_FIELD_PROTECTED (f, j), | |
7c161838 | 1349 | TYPE_FN_FIELD_PRIVATE (f, j), flags); |
a27ed7d6 | 1350 | |
7c161838 SDJ |
1351 | print_spaces_filtered_with_print_options (level + 4, stream, |
1352 | flags); | |
a27ed7d6 SDJ |
1353 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) |
1354 | fprintf_filtered (stream, "virtual "); | |
1355 | else if (TYPE_FN_FIELD_STATIC_P (f, j)) | |
1356 | fprintf_filtered (stream, "static "); | |
1357 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) | |
1358 | { | |
1359 | /* Keep GDB from crashing here. */ | |
1360 | fprintf_filtered (stream, | |
1361 | _("<undefined type> %s;\n"), | |
1362 | TYPE_FN_FIELD_PHYSNAME (f, j)); | |
1363 | break; | |
1364 | } | |
1365 | else if (!is_constructor /* Constructors don't | |
1366 | have declared | |
1367 | types. */ | |
1368 | && !is_full_physname_constructor /* " " */ | |
1369 | && !is_type_conversion_operator (type, i, j)) | |
1370 | { | |
7c161838 SDJ |
1371 | c_print_type_no_offsets |
1372 | (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), | |
1373 | "", stream, -1, 0, &local_flags, podata); | |
1374 | ||
a27ed7d6 SDJ |
1375 | fputs_filtered (" ", stream); |
1376 | } | |
1377 | if (TYPE_FN_FIELD_STUB (f, j)) | |
1378 | { | |
1379 | /* Build something we can demangle. */ | |
1380 | mangled_name_holder.reset (gdb_mangle_name (type, i, j)); | |
1381 | mangled_name = mangled_name_holder.get (); | |
1382 | } | |
1383 | else | |
1384 | mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j); | |
1385 | ||
1386 | demangled_name = | |
1387 | gdb_demangle (mangled_name, | |
1388 | DMGL_ANSI | DMGL_PARAMS); | |
1389 | if (demangled_name == NULL) | |
1390 | { | |
1391 | /* In some cases (for instance with the HP | |
1392 | demangling), if a function has more than 10 | |
1393 | arguments, the demangling will fail. | |
1394 | Let's try to reconstruct the function | |
1395 | signature from the symbol information. */ | |
1396 | if (!TYPE_FN_FIELD_STUB (f, j)) | |
1397 | { | |
1398 | int staticp = TYPE_FN_FIELD_STATIC_P (f, j); | |
1399 | struct type *mtype = TYPE_FN_FIELD_TYPE (f, j); | |
1400 | ||
1401 | cp_type_print_method_args (mtype, | |
1402 | "", | |
1403 | method_name, | |
1404 | staticp, | |
1405 | stream, &local_flags); | |
1406 | } | |
1407 | else | |
1408 | fprintf_filtered (stream, | |
1409 | _("<badly mangled name '%s'>"), | |
1410 | mangled_name); | |
1411 | } | |
1412 | else | |
1413 | { | |
1414 | char *p; | |
1415 | char *demangled_no_class | |
1416 | = remove_qualifiers (demangled_name); | |
1417 | ||
1418 | /* Get rid of the `static' appended by the | |
1419 | demangler. */ | |
1420 | p = strstr (demangled_no_class, " static"); | |
1421 | if (p != NULL) | |
1422 | { | |
1423 | int length = p - demangled_no_class; | |
1424 | char *demangled_no_static; | |
1425 | ||
1426 | demangled_no_static | |
1427 | = (char *) xmalloc (length + 1); | |
1428 | strncpy (demangled_no_static, | |
1429 | demangled_no_class, length); | |
1430 | *(demangled_no_static + length) = '\0'; | |
1431 | fputs_filtered (demangled_no_static, stream); | |
1432 | xfree (demangled_no_static); | |
1433 | } | |
1434 | else | |
1435 | fputs_filtered (demangled_no_class, stream); | |
1436 | xfree (demangled_name); | |
1437 | } | |
1438 | ||
1439 | fprintf_filtered (stream, ";\n"); | |
1440 | } | |
1441 | } | |
1442 | ||
1443 | /* Print out nested types. */ | |
1444 | if (TYPE_NESTED_TYPES_COUNT (type) != 0 | |
1445 | && semi_local_flags.print_nested_type_limit != 0) | |
1446 | { | |
1447 | if (semi_local_flags.print_nested_type_limit > 0) | |
1448 | --semi_local_flags.print_nested_type_limit; | |
1449 | ||
1450 | if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0) | |
1451 | fprintf_filtered (stream, "\n"); | |
1452 | ||
1453 | for (int i = 0; i < TYPE_NESTED_TYPES_COUNT (type); ++i) | |
1454 | { | |
7c161838 SDJ |
1455 | print_spaces_filtered_with_print_options (level + 4, stream, |
1456 | flags); | |
1457 | c_print_type_no_offsets (TYPE_NESTED_TYPES_FIELD_TYPE (type, i), | |
1458 | "", stream, show, level + 4, | |
1459 | &semi_local_flags, podata); | |
a27ed7d6 SDJ |
1460 | fprintf_filtered (stream, ";\n"); |
1461 | } | |
1462 | } | |
1463 | ||
1464 | /* Print typedefs defined in this class. */ | |
1465 | ||
1466 | if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0 && flags->print_typedefs) | |
1467 | { | |
1468 | if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0 | |
1469 | || TYPE_NESTED_TYPES_COUNT (type) != 0) | |
1470 | fprintf_filtered (stream, "\n"); | |
1471 | ||
1472 | for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); i++) | |
1473 | { | |
1474 | struct type *target = TYPE_TYPEDEF_FIELD_TYPE (type, i); | |
1475 | ||
1476 | /* Dereference the typedef declaration itself. */ | |
1477 | gdb_assert (TYPE_CODE (target) == TYPE_CODE_TYPEDEF); | |
1478 | target = TYPE_TARGET_TYPE (target); | |
1479 | ||
1480 | if (need_access_label) | |
1481 | { | |
1482 | section_type = output_access_specifier | |
1483 | (stream, section_type, level, | |
1484 | TYPE_TYPEDEF_FIELD_PROTECTED (type, i), | |
7c161838 | 1485 | TYPE_TYPEDEF_FIELD_PRIVATE (type, i), flags); |
a27ed7d6 | 1486 | } |
7c161838 SDJ |
1487 | print_spaces_filtered_with_print_options (level + 4, stream, |
1488 | flags); | |
a27ed7d6 SDJ |
1489 | fprintf_filtered (stream, "typedef "); |
1490 | ||
1491 | /* We want to print typedefs with substitutions | |
1492 | from the template parameters or globally-known | |
1493 | typedefs but not local typedefs. */ | |
7c161838 SDJ |
1494 | c_print_type_no_offsets (target, |
1495 | TYPE_TYPEDEF_FIELD_NAME (type, i), | |
1496 | stream, show - 1, level + 4, | |
1497 | &semi_local_flags, podata); | |
a27ed7d6 SDJ |
1498 | fprintf_filtered (stream, ";\n"); |
1499 | } | |
1500 | } | |
1501 | ||
7c161838 SDJ |
1502 | if (flags->print_offsets) |
1503 | { | |
1504 | if (show > 0) | |
1505 | { | |
1506 | fputs_filtered ("\n", stream); | |
1507 | print_spaces_filtered_with_print_options (level + 4, | |
1508 | stream, | |
1509 | flags); | |
1510 | fprintf_filtered (stream, "/* total size (bytes): %4u */\n", | |
1511 | TYPE_LENGTH (type)); | |
1512 | } | |
1513 | ||
1514 | print_spaces_filtered (OFFSET_SPC_LEN, stream); | |
1515 | if (level == 0) | |
1516 | print_spaces_filtered (2, stream); | |
1517 | } | |
1518 | ||
a27ed7d6 SDJ |
1519 | fprintfi_filtered (level, stream, "}"); |
1520 | } | |
1521 | ||
1522 | do_cleanups (local_cleanups); | |
1523 | } | |
1524 | ||
c906108c | 1525 | /* Print the name of the type (or the ultimate pointer target, |
aff410f1 MS |
1526 | function value or array element), or the description of a structure |
1527 | or union. | |
1528 | ||
1529 | SHOW positive means print details about the type (e.g. enum | |
1530 | values), and print structure elements passing SHOW - 1 for show. | |
1531 | ||
1532 | SHOW negative means just print the type name or struct tag if there | |
1533 | is one. If there is no name, print something sensible but concise | |
1534 | like "struct {...}". | |
1535 | ||
1536 | SHOW zero means just print the type name or struct tag if there is | |
1537 | one. If there is no name, print something sensible but not as | |
1538 | concise like "struct {int x; int y;}". | |
c906108c SS |
1539 | |
1540 | LEVEL is the number of spaces to indent by. | |
1541 | We increase it for some recursive calls. */ | |
1542 | ||
7c161838 SDJ |
1543 | static void |
1544 | c_type_print_base_1 (struct type *type, struct ui_file *stream, | |
1545 | int show, int level, | |
1546 | const struct type_print_options *flags, | |
1547 | struct print_offset_data *podata) | |
c906108c | 1548 | { |
b02dede2 | 1549 | int i; |
a27ed7d6 | 1550 | int len; |
c906108c SS |
1551 | |
1552 | QUIT; | |
1553 | ||
c906108c SS |
1554 | if (type == NULL) |
1555 | { | |
3d263c1d | 1556 | fputs_filtered (_("<type unknown>"), stream); |
c906108c SS |
1557 | return; |
1558 | } | |
1559 | ||
aff410f1 MS |
1560 | /* When SHOW is zero or less, and there is a valid type name, then |
1561 | always just print the type name directly from the type. */ | |
1562 | /* If we have "typedef struct foo {. . .} bar;" do we want to print | |
1563 | it as "struct foo" or as "bar"? Pick the latter, because C++ | |
1564 | folk tend to expect things like "class5 *foo" rather than "struct | |
1565 | class5 *foo". */ | |
c906108c SS |
1566 | |
1567 | if (show <= 0 | |
1568 | && TYPE_NAME (type) != NULL) | |
1569 | { | |
47663de5 | 1570 | c_type_print_modifier (type, stream, 0, 1); |
bd69fc68 | 1571 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); |
c906108c SS |
1572 | return; |
1573 | } | |
1574 | ||
f168693b | 1575 | type = check_typedef (type); |
c5aa993b | 1576 | |
c906108c SS |
1577 | switch (TYPE_CODE (type)) |
1578 | { | |
1579 | case TYPE_CODE_TYPEDEF: | |
aff410f1 MS |
1580 | /* If we get here, the typedef doesn't have a name, and we |
1581 | couldn't resolve TYPE_TARGET_TYPE. Not much we can do. */ | |
8c540a24 DE |
1582 | gdb_assert (TYPE_NAME (type) == NULL); |
1583 | gdb_assert (TYPE_TARGET_TYPE (type) == NULL); | |
1584 | fprintf_filtered (stream, _("<unnamed typedef>")); | |
1585 | break; | |
1586 | ||
7022349d PA |
1587 | case TYPE_CODE_FUNC: |
1588 | case TYPE_CODE_METHOD: | |
1589 | if (TYPE_TARGET_TYPE (type) == NULL) | |
1590 | type_print_unknown_return_type (stream); | |
1591 | else | |
7c161838 SDJ |
1592 | c_type_print_base_1 (TYPE_TARGET_TYPE (type), |
1593 | stream, show, level, flags, podata); | |
7022349d | 1594 | break; |
c906108c SS |
1595 | case TYPE_CODE_ARRAY: |
1596 | case TYPE_CODE_PTR: | |
0d5de010 | 1597 | case TYPE_CODE_MEMBERPTR: |
c906108c | 1598 | case TYPE_CODE_REF: |
e1cb3213 | 1599 | case TYPE_CODE_RVALUE_REF: |
0d5de010 | 1600 | case TYPE_CODE_METHODPTR: |
7c161838 SDJ |
1601 | c_type_print_base_1 (TYPE_TARGET_TYPE (type), |
1602 | stream, show, level, flags, podata); | |
c906108c SS |
1603 | break; |
1604 | ||
1605 | case TYPE_CODE_STRUCT: | |
1c5b7826 | 1606 | case TYPE_CODE_UNION: |
7c161838 SDJ |
1607 | c_type_print_base_struct_union (type, stream, show, level, flags, |
1608 | podata); | |
c906108c SS |
1609 | break; |
1610 | ||
1611 | case TYPE_CODE_ENUM: | |
47663de5 | 1612 | c_type_print_modifier (type, stream, 0, 1); |
c5aa993b | 1613 | fprintf_filtered (stream, "enum "); |
3d567982 TT |
1614 | if (TYPE_DECLARED_CLASS (type)) |
1615 | fprintf_filtered (stream, "class "); | |
c906108c SS |
1616 | /* Print the tag name if it exists. |
1617 | The aCC compiler emits a spurious | |
1618 | "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}" | |
1619 | tag for unnamed struct/union/enum's, which we don't | |
aff410f1 | 1620 | want to print. */ |
5aafa1cc | 1621 | if (TYPE_TAG_NAME (type) != NULL |
61012eef | 1622 | && !startswith (TYPE_TAG_NAME (type), "{unnamed")) |
c906108c | 1623 | { |
bd69fc68 | 1624 | print_name_maybe_canonical (TYPE_TAG_NAME (type), flags, stream); |
c906108c SS |
1625 | if (show > 0) |
1626 | fputs_filtered (" ", stream); | |
1627 | } | |
1628 | ||
1629 | wrap_here (" "); | |
1630 | if (show < 0) | |
1631 | { | |
aff410f1 MS |
1632 | /* If we just printed a tag name, no need to print anything |
1633 | else. */ | |
c906108c SS |
1634 | if (TYPE_TAG_NAME (type) == NULL) |
1635 | fprintf_filtered (stream, "{...}"); | |
1636 | } | |
1637 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) | |
1638 | { | |
14e75d8e JK |
1639 | LONGEST lastval = 0; |
1640 | ||
3d567982 TT |
1641 | /* We can't handle this case perfectly, as DWARF does not |
1642 | tell us whether or not the underlying type was specified | |
1643 | in the source (and other debug formats don't provide this | |
1644 | at all). We choose to print the underlying type, if it | |
1645 | has a name, when in C++ on the theory that it's better to | |
1646 | print too much than too little; but conversely not to | |
1647 | print something egregiously outside the current | |
1648 | language's syntax. */ | |
1649 | if (current_language->la_language == language_cplus | |
1650 | && TYPE_TARGET_TYPE (type) != NULL) | |
1651 | { | |
1652 | struct type *underlying = check_typedef (TYPE_TARGET_TYPE (type)); | |
1653 | ||
1654 | if (TYPE_NAME (underlying) != NULL) | |
1655 | fprintf_filtered (stream, ": %s ", TYPE_NAME (underlying)); | |
1656 | } | |
1657 | ||
c906108c SS |
1658 | fprintf_filtered (stream, "{"); |
1659 | len = TYPE_NFIELDS (type); | |
c906108c SS |
1660 | for (i = 0; i < len; i++) |
1661 | { | |
1662 | QUIT; | |
c5aa993b JM |
1663 | if (i) |
1664 | fprintf_filtered (stream, ", "); | |
c906108c SS |
1665 | wrap_here (" "); |
1666 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
14e75d8e | 1667 | if (lastval != TYPE_FIELD_ENUMVAL (type, i)) |
c906108c | 1668 | { |
14e75d8e JK |
1669 | fprintf_filtered (stream, " = %s", |
1670 | plongest (TYPE_FIELD_ENUMVAL (type, i))); | |
1671 | lastval = TYPE_FIELD_ENUMVAL (type, i); | |
c906108c SS |
1672 | } |
1673 | lastval++; | |
1674 | } | |
1675 | fprintf_filtered (stream, "}"); | |
1676 | } | |
1677 | break; | |
1678 | ||
81516450 DE |
1679 | case TYPE_CODE_FLAGS: |
1680 | { | |
1681 | struct type_print_options local_flags = *flags; | |
1682 | ||
1683 | local_flags.local_typedefs = NULL; | |
1684 | ||
1685 | c_type_print_modifier (type, stream, 0, 1); | |
1686 | fprintf_filtered (stream, "flag "); | |
1687 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); | |
1688 | if (show > 0) | |
1689 | { | |
1690 | fputs_filtered (" ", stream); | |
1691 | fprintf_filtered (stream, "{\n"); | |
1692 | if (TYPE_NFIELDS (type) == 0) | |
1693 | { | |
1694 | if (TYPE_STUB (type)) | |
1695 | fprintfi_filtered (level + 4, stream, | |
1696 | _("<incomplete type>\n")); | |
1697 | else | |
1698 | fprintfi_filtered (level + 4, stream, | |
1699 | _("<no data fields>\n")); | |
1700 | } | |
1701 | len = TYPE_NFIELDS (type); | |
1702 | for (i = 0; i < len; i++) | |
1703 | { | |
1704 | QUIT; | |
1705 | print_spaces_filtered (level + 4, stream); | |
1706 | /* We pass "show" here and not "show - 1" to get enum types | |
1707 | printed. There's no other way to see them. */ | |
7c161838 SDJ |
1708 | c_print_type_1 (TYPE_FIELD_TYPE (type, i), |
1709 | TYPE_FIELD_NAME (type, i), | |
1710 | stream, show, level + 4, | |
1711 | &local_flags, podata); | |
6b850546 DT |
1712 | fprintf_filtered (stream, " @%s", |
1713 | plongest (TYPE_FIELD_BITPOS (type, i))); | |
81516450 DE |
1714 | if (TYPE_FIELD_BITSIZE (type, i) > 1) |
1715 | { | |
6b850546 DT |
1716 | fprintf_filtered (stream, "-%s", |
1717 | plongest (TYPE_FIELD_BITPOS (type, i) | |
1718 | + TYPE_FIELD_BITSIZE (type, i) | |
1719 | - 1)); | |
81516450 DE |
1720 | } |
1721 | fprintf_filtered (stream, ";\n"); | |
1722 | } | |
1723 | fprintfi_filtered (level, stream, "}"); | |
1724 | } | |
1725 | } | |
1726 | break; | |
1727 | ||
c906108c SS |
1728 | case TYPE_CODE_VOID: |
1729 | fprintf_filtered (stream, "void"); | |
1730 | break; | |
1731 | ||
1732 | case TYPE_CODE_UNDEF: | |
3d263c1d | 1733 | fprintf_filtered (stream, _("struct <unknown>")); |
c906108c SS |
1734 | break; |
1735 | ||
1736 | case TYPE_CODE_ERROR: | |
b00fdb78 | 1737 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); |
c906108c SS |
1738 | break; |
1739 | ||
1740 | case TYPE_CODE_RANGE: | |
0963b4bd | 1741 | /* This should not occur. */ |
3d263c1d | 1742 | fprintf_filtered (stream, _("<range type>")); |
c906108c SS |
1743 | break; |
1744 | ||
5c4e30ca DC |
1745 | case TYPE_CODE_NAMESPACE: |
1746 | fputs_filtered ("namespace ", stream); | |
1747 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
1748 | break; | |
1749 | ||
c906108c | 1750 | default: |
aff410f1 MS |
1751 | /* Handle types not explicitly handled by the other cases, such |
1752 | as fundamental types. For these, just print whatever the | |
1753 | type name is, as recorded in the type itself. If there is no | |
1754 | type name, then complain. */ | |
c906108c SS |
1755 | if (TYPE_NAME (type) != NULL) |
1756 | { | |
47663de5 | 1757 | c_type_print_modifier (type, stream, 0, 1); |
bd69fc68 | 1758 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); |
c906108c SS |
1759 | } |
1760 | else | |
1761 | { | |
aff410f1 MS |
1762 | /* At least for dump_symtab, it is important that this not |
1763 | be an error (). */ | |
3d263c1d | 1764 | fprintf_filtered (stream, _("<invalid type code %d>"), |
c906108c SS |
1765 | TYPE_CODE (type)); |
1766 | } | |
1767 | break; | |
1768 | } | |
1769 | } | |
7c161838 SDJ |
1770 | |
1771 | /* See c_type_print_base_1. */ | |
1772 | ||
1773 | void | |
1774 | c_type_print_base (struct type *type, struct ui_file *stream, | |
1775 | int show, int level, | |
1776 | const struct type_print_options *flags) | |
1777 | { | |
1778 | struct print_offset_data podata; | |
1779 | ||
1780 | c_type_print_base_1 (type, stream, show, level, flags, &podata); | |
1781 | } |