Commit | Line | Data |
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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 | ||
bc8453a7 TT |
53 | static void c_type_print_varspec_suffix (struct type *, struct ui_file *, int, |
54 | int, int, | |
c1ec8cea | 55 | enum language, |
bc8453a7 TT |
56 | const struct type_print_options *); |
57 | ||
aff410f1 MS |
58 | static void c_type_print_varspec_prefix (struct type *, |
59 | struct ui_file *, | |
79d43c61 | 60 | int, int, int, |
c1ec8cea | 61 | enum language, |
7c161838 SDJ |
62 | const struct type_print_options *, |
63 | struct print_offset_data *); | |
c906108c | 64 | |
aff410f1 MS |
65 | /* Print "const", "volatile", or address space modifiers. */ |
66 | static void c_type_print_modifier (struct type *, | |
67 | struct ui_file *, | |
47663de5 | 68 | int, int); |
7c161838 SDJ |
69 | |
70 | static void c_type_print_base_1 (struct type *type, struct ui_file *stream, | |
c1ec8cea | 71 | int show, int level, enum language language, |
7c161838 SDJ |
72 | const struct type_print_options *flags, |
73 | struct print_offset_data *podata); | |
c5aa993b | 74 | \f |
bd69fc68 TT |
75 | |
76 | /* A callback function for cp_canonicalize_string_full that uses | |
c819b2c0 | 77 | typedef_hash_table::find_typedef. */ |
bd69fc68 TT |
78 | |
79 | static const char * | |
80 | find_typedef_for_canonicalize (struct type *t, void *data) | |
81 | { | |
c819b2c0 TT |
82 | return typedef_hash_table::find_typedef |
83 | ((const struct type_print_options *) data, t); | |
bd69fc68 TT |
84 | } |
85 | ||
86 | /* Print NAME on STREAM. If the 'raw' field of FLAGS is not set, | |
87 | canonicalize NAME using the local typedefs first. */ | |
88 | ||
89 | static void | |
90 | print_name_maybe_canonical (const char *name, | |
91 | const struct type_print_options *flags, | |
92 | struct ui_file *stream) | |
93 | { | |
2f408ecb | 94 | std::string s; |
bd69fc68 TT |
95 | |
96 | if (!flags->raw) | |
97 | s = cp_canonicalize_string_full (name, | |
98 | find_typedef_for_canonicalize, | |
99 | (void *) flags); | |
100 | ||
2f408ecb | 101 | fputs_filtered (!s.empty () ? s.c_str () : name, stream); |
bd69fc68 TT |
102 | } |
103 | ||
104 | \f | |
105 | ||
7c161838 | 106 | /* Helper function for c_print_type. */ |
c906108c | 107 | |
7c161838 SDJ |
108 | static void |
109 | c_print_type_1 (struct type *type, | |
110 | const char *varstring, | |
111 | struct ui_file *stream, | |
112 | int show, int level, | |
c1ec8cea | 113 | enum language language, |
7c161838 SDJ |
114 | const struct type_print_options *flags, |
115 | struct print_offset_data *podata) | |
c906108c | 116 | { |
52f0bd74 | 117 | enum type_code code; |
c906108c | 118 | int demangled_args; |
9750e763 | 119 | int need_post_space; |
bd69fc68 | 120 | const char *local_name; |
c906108c SS |
121 | |
122 | if (show > 0) | |
f168693b | 123 | type = check_typedef (type); |
c906108c | 124 | |
c819b2c0 | 125 | local_name = typedef_hash_table::find_typedef (flags, type); |
bd69fc68 TT |
126 | if (local_name != NULL) |
127 | { | |
128 | fputs_filtered (local_name, stream); | |
129 | if (varstring != NULL && *varstring != '\0') | |
130 | fputs_filtered (" ", stream); | |
131 | } | |
132 | else | |
133 | { | |
c1ec8cea | 134 | c_type_print_base_1 (type, stream, show, level, language, flags, podata); |
bd69fc68 TT |
135 | code = TYPE_CODE (type); |
136 | if ((varstring != NULL && *varstring != '\0') | |
137 | /* Need a space if going to print stars or brackets; | |
138 | but not if we will print just a type name. */ | |
139 | || ((show > 0 || TYPE_NAME (type) == 0) | |
140 | && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | |
141 | || code == TYPE_CODE_METHOD | |
142 | || (code == TYPE_CODE_ARRAY | |
143 | && !TYPE_VECTOR (type)) | |
144 | || code == TYPE_CODE_MEMBERPTR | |
145 | || code == TYPE_CODE_METHODPTR | |
e1cb3213 | 146 | || TYPE_IS_REFERENCE (type)))) |
bd69fc68 TT |
147 | fputs_filtered (" ", stream); |
148 | need_post_space = (varstring != NULL && strcmp (varstring, "") != 0); | |
149 | c_type_print_varspec_prefix (type, stream, show, 0, need_post_space, | |
c1ec8cea | 150 | language, flags, podata); |
bd69fc68 | 151 | } |
c906108c SS |
152 | |
153 | if (varstring != NULL) | |
154 | { | |
155 | fputs_filtered (varstring, stream); | |
156 | ||
aff410f1 | 157 | /* For demangled function names, we have the arglist as part of |
0963b4bd | 158 | the name, so don't print an additional pair of ()'s. */ |
bd69fc68 TT |
159 | if (local_name == NULL) |
160 | { | |
161 | demangled_args = strchr (varstring, '(') != NULL; | |
162 | c_type_print_varspec_suffix (type, stream, show, | |
163 | 0, demangled_args, | |
c1ec8cea | 164 | language, flags); |
bd69fc68 | 165 | } |
c906108c SS |
166 | } |
167 | } | |
c5aa993b | 168 | |
7c161838 SDJ |
169 | /* LEVEL is the depth to indent lines by. */ |
170 | ||
171 | void | |
172 | c_print_type (struct type *type, | |
173 | const char *varstring, | |
174 | struct ui_file *stream, | |
175 | int show, int level, | |
176 | const struct type_print_options *flags) | |
177 | { | |
178 | struct print_offset_data podata; | |
179 | ||
c1ec8cea TT |
180 | c_print_type_1 (type, varstring, stream, show, level, |
181 | current_language->la_language, flags, &podata); | |
182 | } | |
183 | ||
184 | ||
185 | /* See c-lang.h. */ | |
186 | ||
187 | void | |
188 | c_print_type (struct type *type, | |
189 | const char *varstring, | |
190 | struct ui_file *stream, | |
191 | int show, int level, | |
192 | enum language language, | |
193 | const struct type_print_options *flags) | |
194 | { | |
195 | struct print_offset_data podata; | |
196 | ||
197 | c_print_type_1 (type, varstring, stream, show, level, language, flags, | |
198 | &podata); | |
7c161838 SDJ |
199 | } |
200 | ||
5c6ce71d TT |
201 | /* Print a typedef using C syntax. TYPE is the underlying type. |
202 | NEW_SYMBOL is the symbol naming the type. STREAM is the stream on | |
203 | which to print. */ | |
204 | ||
205 | void | |
aff410f1 MS |
206 | c_print_typedef (struct type *type, |
207 | struct symbol *new_symbol, | |
5c6ce71d TT |
208 | struct ui_file *stream) |
209 | { | |
f168693b | 210 | type = check_typedef (type); |
5c6ce71d TT |
211 | fprintf_filtered (stream, "typedef "); |
212 | type_print (type, "", stream, 0); | |
213 | if (TYPE_NAME ((SYMBOL_TYPE (new_symbol))) == 0 | |
214 | || strcmp (TYPE_NAME ((SYMBOL_TYPE (new_symbol))), | |
b1d61bc9 PM |
215 | SYMBOL_LINKAGE_NAME (new_symbol)) != 0 |
216 | || TYPE_CODE (SYMBOL_TYPE (new_symbol)) == TYPE_CODE_TYPEDEF) | |
5c6ce71d TT |
217 | fprintf_filtered (stream, " %s", SYMBOL_PRINT_NAME (new_symbol)); |
218 | fprintf_filtered (stream, ";\n"); | |
219 | } | |
220 | ||
c906108c | 221 | /* If TYPE is a derived type, then print out derivation information. |
aff410f1 MS |
222 | Print only the actual base classes of this type, not the base |
223 | classes of the base classes. I.e. for the derivation hierarchy: | |
c906108c | 224 | |
c5aa993b JM |
225 | class A { int a; }; |
226 | class B : public A {int b; }; | |
227 | class C : public B {int c; }; | |
c906108c SS |
228 | |
229 | Print the type of class C as: | |
230 | ||
c5aa993b JM |
231 | class C : public B { |
232 | int c; | |
233 | } | |
c906108c | 234 | |
aff410f1 MS |
235 | Not as the following (like gdb used to), which is not legal C++ |
236 | syntax for derived types and may be confused with the multiple | |
237 | inheritance form: | |
c906108c | 238 | |
c5aa993b JM |
239 | class C : public B : public A { |
240 | int c; | |
241 | } | |
c906108c | 242 | |
aff410f1 | 243 | In general, gdb should try to print the types as closely as |
62a49610 | 244 | possible to the form that they appear in the source code. */ |
c906108c SS |
245 | |
246 | static void | |
aff410f1 | 247 | cp_type_print_derivation_info (struct ui_file *stream, |
bd69fc68 TT |
248 | struct type *type, |
249 | const struct type_print_options *flags) | |
c906108c | 250 | { |
0d5cff50 | 251 | const char *name; |
c906108c SS |
252 | int i; |
253 | ||
254 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) | |
255 | { | |
bd69fc68 | 256 | wrap_here (" "); |
c906108c SS |
257 | fputs_filtered (i == 0 ? ": " : ", ", stream); |
258 | fprintf_filtered (stream, "%s%s ", | |
aff410f1 MS |
259 | BASETYPE_VIA_PUBLIC (type, i) |
260 | ? "public" : (TYPE_FIELD_PROTECTED (type, i) | |
261 | ? "protected" : "private"), | |
c5aa993b | 262 | BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : ""); |
a737d952 | 263 | name = TYPE_NAME (TYPE_BASECLASS (type, i)); |
bd69fc68 TT |
264 | if (name) |
265 | print_name_maybe_canonical (name, flags, stream); | |
266 | else | |
267 | fprintf_filtered (stream, "(null)"); | |
c906108c SS |
268 | } |
269 | if (i > 0) | |
270 | { | |
271 | fputs_filtered (" ", stream); | |
272 | } | |
273 | } | |
ad2f7632 | 274 | |
c906108c | 275 | /* Print the C++ method arguments ARGS to the file STREAM. */ |
c5aa993b | 276 | |
392a587b | 277 | static void |
0d5cff50 DE |
278 | cp_type_print_method_args (struct type *mtype, const char *prefix, |
279 | const char *varstring, int staticp, | |
6c8702eb | 280 | struct ui_file *stream, |
c1ec8cea | 281 | enum language language, |
6c8702eb | 282 | const struct type_print_options *flags) |
c906108c | 283 | { |
ad2f7632 DJ |
284 | struct field *args = TYPE_FIELDS (mtype); |
285 | int nargs = TYPE_NFIELDS (mtype); | |
286 | int varargs = TYPE_VARARGS (mtype); | |
c906108c | 287 | int i; |
c5aa993b | 288 | |
aff410f1 MS |
289 | fprintf_symbol_filtered (stream, prefix, |
290 | language_cplus, DMGL_ANSI); | |
291 | fprintf_symbol_filtered (stream, varstring, | |
292 | language_cplus, DMGL_ANSI); | |
c906108c | 293 | fputs_filtered ("(", stream); |
ad2f7632 | 294 | |
5f4d1085 KS |
295 | /* Skip the class variable. We keep this here to accommodate older |
296 | compilers and debug formats which may not support artificial | |
297 | parameters. */ | |
ad2f7632 DJ |
298 | i = staticp ? 0 : 1; |
299 | if (nargs > i) | |
c906108c | 300 | { |
ad2f7632 | 301 | while (i < nargs) |
c5aa993b | 302 | { |
5f4d1085 KS |
303 | struct field arg = args[i++]; |
304 | ||
305 | /* Skip any artificial arguments. */ | |
306 | if (FIELD_ARTIFICIAL (arg)) | |
307 | continue; | |
308 | ||
309 | c_print_type (arg.type, "", stream, 0, 0, flags); | |
ad2f7632 DJ |
310 | |
311 | if (i == nargs && varargs) | |
312 | fprintf_filtered (stream, ", ..."); | |
313 | else if (i < nargs) | |
bd69fc68 TT |
314 | { |
315 | fprintf_filtered (stream, ", "); | |
316 | wrap_here (" "); | |
317 | } | |
c5aa993b | 318 | } |
c906108c | 319 | } |
ad2f7632 DJ |
320 | else if (varargs) |
321 | fprintf_filtered (stream, "..."); | |
c1ec8cea | 322 | else if (language == language_cplus) |
ad2f7632 | 323 | fprintf_filtered (stream, "void"); |
c5aa993b | 324 | |
c906108c | 325 | fprintf_filtered (stream, ")"); |
94af9270 KS |
326 | |
327 | /* For non-static methods, read qualifiers from the type of | |
328 | THIS. */ | |
329 | if (!staticp) | |
330 | { | |
331 | struct type *domain; | |
332 | ||
333 | gdb_assert (nargs > 0); | |
334 | gdb_assert (TYPE_CODE (args[0].type) == TYPE_CODE_PTR); | |
335 | domain = TYPE_TARGET_TYPE (args[0].type); | |
336 | ||
337 | if (TYPE_CONST (domain)) | |
338 | fprintf_filtered (stream, " const"); | |
339 | ||
340 | if (TYPE_VOLATILE (domain)) | |
341 | fprintf_filtered (stream, " volatile"); | |
06d66ee9 TT |
342 | |
343 | if (TYPE_RESTRICT (domain)) | |
344 | fprintf_filtered (stream, " restrict"); | |
a2c2acaf MW |
345 | |
346 | if (TYPE_ATOMIC (domain)) | |
347 | fprintf_filtered (stream, " _Atomic"); | |
94af9270 | 348 | } |
c906108c SS |
349 | } |
350 | ||
351 | ||
352 | /* Print any asterisks or open-parentheses needed before the | |
353 | variable name (to describe its type). | |
354 | ||
355 | On outermost call, pass 0 for PASSED_A_PTR. | |
356 | On outermost call, SHOW > 0 means should ignore | |
357 | any typename for TYPE and show its details. | |
9750e763 KB |
358 | SHOW is always zero on recursive calls. |
359 | ||
360 | NEED_POST_SPACE is non-zero when a space will be be needed | |
361 | between a trailing qualifier and a field, variable, or function | |
362 | name. */ | |
c906108c | 363 | |
a737a51b | 364 | static void |
aff410f1 MS |
365 | c_type_print_varspec_prefix (struct type *type, |
366 | struct ui_file *stream, | |
367 | int show, int passed_a_ptr, | |
79d43c61 | 368 | int need_post_space, |
c1ec8cea | 369 | enum language language, |
7c161838 SDJ |
370 | const struct type_print_options *flags, |
371 | struct print_offset_data *podata) | |
c906108c | 372 | { |
0d5cff50 | 373 | const char *name; |
c5504eaf | 374 | |
c906108c SS |
375 | if (type == 0) |
376 | return; | |
377 | ||
378 | if (TYPE_NAME (type) && show <= 0) | |
379 | return; | |
380 | ||
381 | QUIT; | |
382 | ||
383 | switch (TYPE_CODE (type)) | |
384 | { | |
385 | case TYPE_CODE_PTR: | |
aff410f1 | 386 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
c1ec8cea TT |
387 | stream, show, 1, 1, language, flags, |
388 | podata); | |
c906108c | 389 | fprintf_filtered (stream, "*"); |
9750e763 | 390 | c_type_print_modifier (type, stream, 1, need_post_space); |
c906108c SS |
391 | break; |
392 | ||
0d5de010 | 393 | case TYPE_CODE_MEMBERPTR: |
aff410f1 | 394 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
a737d952 TT |
395 | stream, show, 0, 0, language, flags, podata); |
396 | name = TYPE_NAME (TYPE_SELF_TYPE (type)); | |
c906108c | 397 | if (name) |
bd69fc68 | 398 | print_name_maybe_canonical (name, flags, stream); |
c906108c | 399 | else |
7c161838 | 400 | c_type_print_base_1 (TYPE_SELF_TYPE (type), |
c1ec8cea TT |
401 | stream, -1, passed_a_ptr, language, flags, |
402 | podata); | |
0d5de010 | 403 | fprintf_filtered (stream, "::*"); |
c906108c SS |
404 | break; |
405 | ||
0d5de010 | 406 | case TYPE_CODE_METHODPTR: |
aff410f1 | 407 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
c1ec8cea TT |
408 | stream, show, 0, 0, language, flags, |
409 | podata); | |
0d5de010 | 410 | fprintf_filtered (stream, "("); |
a737d952 | 411 | name = TYPE_NAME (TYPE_SELF_TYPE (type)); |
0d5de010 | 412 | if (name) |
bd69fc68 | 413 | print_name_maybe_canonical (name, flags, stream); |
0d5de010 | 414 | else |
7c161838 | 415 | c_type_print_base_1 (TYPE_SELF_TYPE (type), |
c1ec8cea TT |
416 | stream, -1, passed_a_ptr, language, flags, |
417 | podata); | |
0d5de010 | 418 | fprintf_filtered (stream, "::*"); |
c906108c SS |
419 | break; |
420 | ||
421 | case TYPE_CODE_REF: | |
e1cb3213 | 422 | case TYPE_CODE_RVALUE_REF: |
aff410f1 | 423 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
c1ec8cea TT |
424 | stream, show, 1, 0, language, flags, |
425 | podata); | |
e1cb3213 | 426 | fprintf_filtered (stream, TYPE_CODE(type) == TYPE_CODE_REF ? "&" : "&&"); |
9750e763 | 427 | c_type_print_modifier (type, stream, 1, need_post_space); |
c906108c SS |
428 | break; |
429 | ||
0d5de010 | 430 | case TYPE_CODE_METHOD: |
c906108c | 431 | case TYPE_CODE_FUNC: |
aff410f1 | 432 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
c1ec8cea TT |
433 | stream, show, 0, 0, language, flags, |
434 | podata); | |
c906108c SS |
435 | if (passed_a_ptr) |
436 | fprintf_filtered (stream, "("); | |
437 | break; | |
438 | ||
439 | case TYPE_CODE_ARRAY: | |
aff410f1 | 440 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
c1ec8cea TT |
441 | stream, show, 0, 0, language, flags, |
442 | podata); | |
c906108c SS |
443 | if (passed_a_ptr) |
444 | fprintf_filtered (stream, "("); | |
445 | break; | |
446 | ||
248f8055 | 447 | case TYPE_CODE_TYPEDEF: |
aff410f1 | 448 | c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), |
c1ec8cea TT |
449 | stream, show, passed_a_ptr, 0, |
450 | language, flags, podata); | |
248f8055 DJ |
451 | break; |
452 | ||
c906108c SS |
453 | case TYPE_CODE_UNDEF: |
454 | case TYPE_CODE_STRUCT: | |
455 | case TYPE_CODE_UNION: | |
456 | case TYPE_CODE_ENUM: | |
81516450 | 457 | case TYPE_CODE_FLAGS: |
c906108c SS |
458 | case TYPE_CODE_INT: |
459 | case TYPE_CODE_FLT: | |
460 | case TYPE_CODE_VOID: | |
461 | case TYPE_CODE_ERROR: | |
462 | case TYPE_CODE_CHAR: | |
463 | case TYPE_CODE_BOOL: | |
464 | case TYPE_CODE_SET: | |
465 | case TYPE_CODE_RANGE: | |
466 | case TYPE_CODE_STRING: | |
c906108c | 467 | case TYPE_CODE_COMPLEX: |
5c4e30ca | 468 | case TYPE_CODE_NAMESPACE: |
7678ef8f | 469 | case TYPE_CODE_DECFLOAT: |
c906108c | 470 | /* These types need no prefix. They are listed here so that |
c5aa993b | 471 | gcc -Wall will reveal any types that haven't been handled. */ |
c906108c | 472 | break; |
c4093a6a | 473 | default: |
3d263c1d | 474 | error (_("type not handled in c_type_print_varspec_prefix()")); |
c4093a6a | 475 | break; |
c906108c SS |
476 | } |
477 | } | |
478 | ||
64b00020 DE |
479 | /* Print out "const" and "volatile" attributes, |
480 | and address space id if present. | |
c906108c SS |
481 | TYPE is a pointer to the type being printed out. |
482 | STREAM is the output destination. | |
a737a51b DE |
483 | NEED_PRE_SPACE = 1 indicates an initial white space is needed. |
484 | NEED_POST_SPACE = 1 indicates a final white space is needed. */ | |
c906108c SS |
485 | |
486 | static void | |
47663de5 MS |
487 | c_type_print_modifier (struct type *type, struct ui_file *stream, |
488 | int need_pre_space, int need_post_space) | |
c906108c | 489 | { |
47663de5 | 490 | int did_print_modifier = 0; |
321432c0 | 491 | const char *address_space_id; |
c5aa993b | 492 | |
7f0b5c30 JB |
493 | /* We don't print `const' qualifiers for references --- since all |
494 | operators affect the thing referenced, not the reference itself, | |
495 | every reference is `const'. */ | |
e1cb3213 | 496 | if (TYPE_CONST (type) && !TYPE_IS_REFERENCE (type)) |
c906108c SS |
497 | { |
498 | if (need_pre_space) | |
c5aa993b | 499 | fprintf_filtered (stream, " "); |
c906108c | 500 | fprintf_filtered (stream, "const"); |
47663de5 | 501 | did_print_modifier = 1; |
c906108c | 502 | } |
c5aa993b | 503 | |
c906108c SS |
504 | if (TYPE_VOLATILE (type)) |
505 | { | |
47663de5 | 506 | if (did_print_modifier || need_pre_space) |
c5aa993b | 507 | fprintf_filtered (stream, " "); |
c906108c | 508 | fprintf_filtered (stream, "volatile"); |
47663de5 | 509 | did_print_modifier = 1; |
c906108c SS |
510 | } |
511 | ||
06d66ee9 TT |
512 | if (TYPE_RESTRICT (type)) |
513 | { | |
514 | if (did_print_modifier || need_pre_space) | |
515 | fprintf_filtered (stream, " "); | |
516 | fprintf_filtered (stream, "restrict"); | |
517 | did_print_modifier = 1; | |
518 | } | |
519 | ||
a2c2acaf MW |
520 | if (TYPE_ATOMIC (type)) |
521 | { | |
522 | if (did_print_modifier || need_pre_space) | |
523 | fprintf_filtered (stream, " "); | |
524 | fprintf_filtered (stream, "_Atomic"); | |
525 | did_print_modifier = 1; | |
526 | } | |
527 | ||
50810684 UW |
528 | address_space_id = address_space_int_to_name (get_type_arch (type), |
529 | TYPE_INSTANCE_FLAGS (type)); | |
47663de5 MS |
530 | if (address_space_id) |
531 | { | |
532 | if (did_print_modifier || need_pre_space) | |
533 | fprintf_filtered (stream, " "); | |
534 | fprintf_filtered (stream, "@%s", address_space_id); | |
535 | did_print_modifier = 1; | |
536 | } | |
537 | ||
538 | if (did_print_modifier && need_post_space) | |
c906108c SS |
539 | fprintf_filtered (stream, " "); |
540 | } | |
541 | ||
542 | ||
0d5de010 DJ |
543 | /* Print out the arguments of TYPE, which should have TYPE_CODE_METHOD |
544 | or TYPE_CODE_FUNC, to STREAM. Artificial arguments, such as "this" | |
3167638f JK |
545 | in non-static methods, are displayed if LINKAGE_NAME is zero. If |
546 | LINKAGE_NAME is non-zero and LANGUAGE is language_cplus the topmost | |
547 | parameter types get removed their possible const and volatile qualifiers to | |
548 | match demangled linkage name parameters part of such function type. | |
549 | LANGUAGE is the language in which TYPE was defined. This is a necessary | |
9c37b5ae | 550 | evil since this code is used by the C and C++. */ |
c906108c | 551 | |
94af9270 KS |
552 | void |
553 | c_type_print_args (struct type *type, struct ui_file *stream, | |
79d43c61 TT |
554 | int linkage_name, enum language language, |
555 | const struct type_print_options *flags) | |
c906108c | 556 | { |
df54f8eb | 557 | int i; |
0d5de010 | 558 | int printed_any = 0; |
c906108c SS |
559 | |
560 | fprintf_filtered (stream, "("); | |
ad2f7632 | 561 | |
0d5de010 DJ |
562 | for (i = 0; i < TYPE_NFIELDS (type); i++) |
563 | { | |
bc9a5551 JK |
564 | struct type *param_type; |
565 | ||
3167638f | 566 | if (TYPE_FIELD_ARTIFICIAL (type, i) && linkage_name) |
94af9270 KS |
567 | continue; |
568 | ||
0d5de010 | 569 | if (printed_any) |
c906108c | 570 | { |
0d5de010 DJ |
571 | fprintf_filtered (stream, ", "); |
572 | wrap_here (" "); | |
c906108c | 573 | } |
0d5de010 | 574 | |
bc9a5551 JK |
575 | param_type = TYPE_FIELD_TYPE (type, i); |
576 | ||
3167638f | 577 | if (language == language_cplus && linkage_name) |
bc9a5551 JK |
578 | { |
579 | /* C++ standard, 13.1 Overloadable declarations, point 3, item: | |
580 | - Parameter declarations that differ only in the presence or | |
581 | absence of const and/or volatile are equivalent. | |
582 | ||
583 | And the const/volatile qualifiers are not present in the mangled | |
584 | names as produced by GCC. */ | |
585 | ||
586 | param_type = make_cv_type (0, 0, param_type, NULL); | |
587 | } | |
588 | ||
c1ec8cea | 589 | c_print_type (param_type, "", stream, -1, 0, language, flags); |
0d5de010 | 590 | printed_any = 1; |
c906108c | 591 | } |
0d5de010 DJ |
592 | |
593 | if (printed_any && TYPE_VARARGS (type)) | |
c906108c | 594 | { |
0d5de010 DJ |
595 | /* Print out a trailing ellipsis for varargs functions. Ignore |
596 | TYPE_VARARGS if the function has no named arguments; that | |
597 | represents unprototyped (K&R style) C functions. */ | |
598 | if (printed_any && TYPE_VARARGS (type)) | |
599 | { | |
600 | fprintf_filtered (stream, ", "); | |
601 | wrap_here (" "); | |
602 | fprintf_filtered (stream, "..."); | |
603 | } | |
c906108c | 604 | } |
0d5de010 | 605 | else if (!printed_any |
9c37b5ae | 606 | && (TYPE_PROTOTYPED (type) || language == language_cplus)) |
0d5de010 | 607 | fprintf_filtered (stream, "void"); |
c5aa993b | 608 | |
c906108c SS |
609 | fprintf_filtered (stream, ")"); |
610 | } | |
611 | ||
dfcd3bfb JM |
612 | /* Return true iff the j'th overloading of the i'th method of TYPE |
613 | is a type conversion operator, like `operator int () { ... }'. | |
614 | When listing a class's methods, we don't print the return type of | |
615 | such operators. */ | |
a737a51b | 616 | |
dfcd3bfb JM |
617 | static int |
618 | is_type_conversion_operator (struct type *type, int i, int j) | |
619 | { | |
620 | /* I think the whole idea of recognizing type conversion operators | |
621 | by their name is pretty terrible. But I don't think our present | |
622 | data structure gives us any other way to tell. If you know of | |
623 | some other way, feel free to rewrite this function. */ | |
0d5cff50 | 624 | const char *name = TYPE_FN_FIELDLIST_NAME (type, i); |
dfcd3bfb | 625 | |
8090b426 | 626 | if (!startswith (name, CP_OPERATOR_STR)) |
dfcd3bfb JM |
627 | return 0; |
628 | ||
629 | name += 8; | |
630 | if (! strchr (" \t\f\n\r", *name)) | |
631 | return 0; | |
632 | ||
633 | while (strchr (" \t\f\n\r", *name)) | |
634 | name++; | |
635 | ||
b0129042 DJ |
636 | if (!('a' <= *name && *name <= 'z') |
637 | && !('A' <= *name && *name <= 'Z') | |
638 | && *name != '_') | |
639 | /* If this doesn't look like the start of an identifier, then it | |
640 | isn't a type conversion operator. */ | |
641 | return 0; | |
61012eef | 642 | else if (startswith (name, "new")) |
dfcd3bfb | 643 | name += 3; |
61012eef | 644 | else if (startswith (name, "delete")) |
dfcd3bfb JM |
645 | name += 6; |
646 | else | |
39c22d1a JM |
647 | /* If it doesn't look like new or delete, it's a type conversion |
648 | operator. */ | |
649 | return 1; | |
dfcd3bfb JM |
650 | |
651 | /* Is that really the end of the name? */ | |
652 | if (('a' <= *name && *name <= 'z') | |
653 | || ('A' <= *name && *name <= 'Z') | |
654 | || ('0' <= *name && *name <= '9') | |
655 | || *name == '_') | |
656 | /* No, so the identifier following "operator" must be a type name, | |
657 | and this is a type conversion operator. */ | |
658 | return 1; | |
659 | ||
660 | /* That was indeed the end of the name, so it was `operator new' or | |
aff410f1 MS |
661 | `operator delete', neither of which are type conversion |
662 | operators. */ | |
dfcd3bfb JM |
663 | return 0; |
664 | } | |
665 | ||
dfcd3bfb JM |
666 | /* Given a C++ qualified identifier QID, strip off the qualifiers, |
667 | yielding the unqualified name. The return value is a pointer into | |
668 | the original string. | |
669 | ||
670 | It's a pity we don't have this information in some more structured | |
671 | form. Even the author of this function feels that writing little | |
672 | parsers like this everywhere is stupid. */ | |
a737a51b | 673 | |
dfcd3bfb JM |
674 | static char * |
675 | remove_qualifiers (char *qid) | |
676 | { | |
0963b4bd | 677 | int quoted = 0; /* Zero if we're not in quotes; |
aff410f1 MS |
678 | '"' if we're in a double-quoted string; |
679 | '\'' if we're in a single-quoted string. */ | |
0963b4bd | 680 | int depth = 0; /* Number of unclosed parens we've seen. */ |
dfcd3bfb JM |
681 | char *parenstack = (char *) alloca (strlen (qid)); |
682 | char *scan; | |
aff410f1 MS |
683 | char *last = 0; /* The character after the rightmost |
684 | `::' token we've seen so far. */ | |
dfcd3bfb JM |
685 | |
686 | for (scan = qid; *scan; scan++) | |
687 | { | |
688 | if (quoted) | |
689 | { | |
690 | if (*scan == quoted) | |
691 | quoted = 0; | |
692 | else if (*scan == '\\' && *(scan + 1)) | |
693 | scan++; | |
694 | } | |
695 | else if (scan[0] == ':' && scan[1] == ':') | |
696 | { | |
697 | /* If we're inside parenthesis (i.e., an argument list) or | |
698 | angle brackets (i.e., a list of template arguments), then | |
699 | we don't record the position of this :: token, since it's | |
aff410f1 MS |
700 | not relevant to the top-level structure we're trying to |
701 | operate on. */ | |
dfcd3bfb JM |
702 | if (depth == 0) |
703 | { | |
704 | last = scan + 2; | |
705 | scan++; | |
706 | } | |
707 | } | |
708 | else if (*scan == '"' || *scan == '\'') | |
709 | quoted = *scan; | |
710 | else if (*scan == '(') | |
711 | parenstack[depth++] = ')'; | |
712 | else if (*scan == '[') | |
713 | parenstack[depth++] = ']'; | |
714 | /* We're going to treat <> as a pair of matching characters, | |
715 | since we're more likely to see those in template id's than | |
716 | real less-than characters. What a crock. */ | |
717 | else if (*scan == '<') | |
718 | parenstack[depth++] = '>'; | |
719 | else if (*scan == ')' || *scan == ']' || *scan == '>') | |
720 | { | |
721 | if (depth > 0 && parenstack[depth - 1] == *scan) | |
722 | depth--; | |
723 | else | |
724 | { | |
aff410f1 MS |
725 | /* We're going to do a little error recovery here. If |
726 | we don't find a match for *scan on the paren stack, | |
727 | but there is something lower on the stack that does | |
728 | match, we pop the stack to that point. */ | |
dfcd3bfb JM |
729 | int i; |
730 | ||
731 | for (i = depth - 1; i >= 0; i--) | |
732 | if (parenstack[i] == *scan) | |
733 | { | |
734 | depth = i; | |
735 | break; | |
736 | } | |
737 | } | |
738 | } | |
739 | } | |
740 | ||
741 | if (last) | |
742 | return last; | |
743 | else | |
744 | /* We didn't find any :: tokens at the top level, so declare the | |
745 | whole thing an unqualified identifier. */ | |
746 | return qid; | |
747 | } | |
748 | ||
c906108c SS |
749 | /* Print any array sizes, function arguments or close parentheses |
750 | needed after the variable name (to describe its type). | |
751 | Args work like c_type_print_varspec_prefix. */ | |
752 | ||
bc8453a7 | 753 | static void |
aff410f1 MS |
754 | c_type_print_varspec_suffix (struct type *type, |
755 | struct ui_file *stream, | |
756 | int show, int passed_a_ptr, | |
79d43c61 | 757 | int demangled_args, |
c1ec8cea | 758 | enum language language, |
79d43c61 | 759 | const struct type_print_options *flags) |
c906108c SS |
760 | { |
761 | if (type == 0) | |
762 | return; | |
763 | ||
764 | if (TYPE_NAME (type) && show <= 0) | |
765 | return; | |
766 | ||
767 | QUIT; | |
768 | ||
769 | switch (TYPE_CODE (type)) | |
770 | { | |
771 | case TYPE_CODE_ARRAY: | |
dbc98a8b KW |
772 | { |
773 | LONGEST low_bound, high_bound; | |
42056501 | 774 | int is_vector = TYPE_VECTOR (type); |
c5aa993b | 775 | |
dbc98a8b KW |
776 | if (passed_a_ptr) |
777 | fprintf_filtered (stream, ")"); | |
c5aa993b | 778 | |
42056501 | 779 | fprintf_filtered (stream, (is_vector ? |
2f27adfe | 780 | " __attribute__ ((vector_size(" : "[")); |
1d42e4c4 SA |
781 | /* Bounds are not yet resolved, print a bounds placeholder instead. */ |
782 | if (TYPE_HIGH_BOUND_KIND (TYPE_INDEX_TYPE (type)) == PROP_LOCEXPR | |
783 | || TYPE_HIGH_BOUND_KIND (TYPE_INDEX_TYPE (type)) == PROP_LOCLIST) | |
784 | fprintf_filtered (stream, "variable length"); | |
785 | else if (get_array_bounds (type, &low_bound, &high_bound)) | |
318102b9 SP |
786 | fprintf_filtered (stream, "%s", |
787 | plongest (high_bound - low_bound + 1)); | |
42056501 | 788 | fprintf_filtered (stream, (is_vector ? ")))" : "]")); |
dbc98a8b | 789 | |
aff410f1 | 790 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
c1ec8cea | 791 | show, 0, 0, language, flags); |
dbc98a8b | 792 | } |
c906108c SS |
793 | break; |
794 | ||
0d5de010 | 795 | case TYPE_CODE_MEMBERPTR: |
aff410f1 | 796 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
c1ec8cea | 797 | show, 0, 0, language, flags); |
c906108c SS |
798 | break; |
799 | ||
0d5de010 DJ |
800 | case TYPE_CODE_METHODPTR: |
801 | fprintf_filtered (stream, ")"); | |
aff410f1 | 802 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
c1ec8cea | 803 | show, 0, 0, language, flags); |
c906108c SS |
804 | break; |
805 | ||
806 | case TYPE_CODE_PTR: | |
807 | case TYPE_CODE_REF: | |
e1cb3213 | 808 | case TYPE_CODE_RVALUE_REF: |
aff410f1 | 809 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
c1ec8cea | 810 | show, 1, 0, language, flags); |
c906108c SS |
811 | break; |
812 | ||
0d5de010 | 813 | case TYPE_CODE_METHOD: |
c906108c SS |
814 | case TYPE_CODE_FUNC: |
815 | if (passed_a_ptr) | |
816 | fprintf_filtered (stream, ")"); | |
817 | if (!demangled_args) | |
c1ec8cea | 818 | c_type_print_args (type, stream, 0, language, flags); |
aff410f1 | 819 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
c1ec8cea | 820 | show, passed_a_ptr, 0, language, flags); |
248f8055 DJ |
821 | break; |
822 | ||
823 | case TYPE_CODE_TYPEDEF: | |
aff410f1 | 824 | c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, |
c1ec8cea | 825 | show, passed_a_ptr, 0, language, flags); |
c906108c SS |
826 | break; |
827 | ||
828 | case TYPE_CODE_UNDEF: | |
829 | case TYPE_CODE_STRUCT: | |
830 | case TYPE_CODE_UNION: | |
81516450 | 831 | case TYPE_CODE_FLAGS: |
c906108c SS |
832 | case TYPE_CODE_ENUM: |
833 | case TYPE_CODE_INT: | |
834 | case TYPE_CODE_FLT: | |
835 | case TYPE_CODE_VOID: | |
836 | case TYPE_CODE_ERROR: | |
837 | case TYPE_CODE_CHAR: | |
838 | case TYPE_CODE_BOOL: | |
839 | case TYPE_CODE_SET: | |
840 | case TYPE_CODE_RANGE: | |
841 | case TYPE_CODE_STRING: | |
c906108c | 842 | case TYPE_CODE_COMPLEX: |
5c4e30ca | 843 | case TYPE_CODE_NAMESPACE: |
7678ef8f | 844 | case TYPE_CODE_DECFLOAT: |
c906108c | 845 | /* These types do not need a suffix. They are listed so that |
aff410f1 MS |
846 | gcc -Wall will report types that may not have been |
847 | considered. */ | |
c906108c | 848 | break; |
c4093a6a | 849 | default: |
3d263c1d | 850 | error (_("type not handled in c_type_print_varspec_suffix()")); |
c4093a6a | 851 | break; |
c906108c SS |
852 | } |
853 | } | |
854 | ||
bd69fc68 TT |
855 | /* A helper for c_type_print_base that displays template |
856 | parameters and their bindings, if needed. | |
857 | ||
858 | TABLE is the local bindings table to use. If NULL, no printing is | |
859 | done. Note that, at this point, TABLE won't have any useful | |
860 | information in it -- but it is also used as a flag to | |
861 | print_name_maybe_canonical to activate searching the global typedef | |
862 | table. | |
863 | ||
864 | TYPE is the type whose template arguments are being displayed. | |
865 | ||
866 | STREAM is the stream on which to print. */ | |
867 | ||
868 | static void | |
869 | c_type_print_template_args (const struct type_print_options *flags, | |
870 | struct type *type, struct ui_file *stream) | |
871 | { | |
872 | int first = 1, i; | |
873 | ||
874 | if (flags->raw) | |
875 | return; | |
876 | ||
877 | for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (type); ++i) | |
878 | { | |
879 | struct symbol *sym = TYPE_TEMPLATE_ARGUMENT (type, i); | |
880 | ||
881 | if (SYMBOL_CLASS (sym) != LOC_TYPEDEF) | |
882 | continue; | |
883 | ||
884 | if (first) | |
885 | { | |
886 | wrap_here (" "); | |
887 | fprintf_filtered (stream, _("[with %s = "), | |
888 | SYMBOL_LINKAGE_NAME (sym)); | |
889 | first = 0; | |
890 | } | |
891 | else | |
892 | { | |
893 | fputs_filtered (", ", stream); | |
894 | wrap_here (" "); | |
895 | fprintf_filtered (stream, "%s = ", SYMBOL_LINKAGE_NAME (sym)); | |
896 | } | |
897 | ||
898 | c_print_type (SYMBOL_TYPE (sym), "", stream, -1, 0, flags); | |
899 | } | |
900 | ||
901 | if (!first) | |
902 | fputs_filtered (_("] "), stream); | |
903 | } | |
904 | ||
7c161838 SDJ |
905 | /* Use 'print_spaces_filtered', but take into consideration the |
906 | type_print_options FLAGS in order to determine how many whitespaces | |
907 | will be printed. */ | |
908 | ||
909 | static void | |
910 | print_spaces_filtered_with_print_options | |
911 | (int level, struct ui_file *stream, const struct type_print_options *flags) | |
912 | { | |
913 | if (!flags->print_offsets) | |
914 | print_spaces_filtered (level, stream); | |
915 | else | |
916 | print_spaces_filtered (level + OFFSET_SPC_LEN, stream); | |
917 | } | |
918 | ||
c191a687 KS |
919 | /* Output an access specifier to STREAM, if needed. LAST_ACCESS is the |
920 | last access specifier output (typically returned by this function). */ | |
921 | ||
922 | static enum access_specifier | |
923 | output_access_specifier (struct ui_file *stream, | |
924 | enum access_specifier last_access, | |
7c161838 SDJ |
925 | int level, bool is_protected, bool is_private, |
926 | const struct type_print_options *flags) | |
c191a687 KS |
927 | { |
928 | if (is_protected) | |
929 | { | |
930 | if (last_access != s_protected) | |
931 | { | |
932 | last_access = s_protected; | |
7c161838 SDJ |
933 | print_spaces_filtered_with_print_options (level + 2, stream, flags); |
934 | fprintf_filtered (stream, "protected:\n"); | |
c191a687 KS |
935 | } |
936 | } | |
937 | else if (is_private) | |
938 | { | |
939 | if (last_access != s_private) | |
940 | { | |
941 | last_access = s_private; | |
7c161838 SDJ |
942 | print_spaces_filtered_with_print_options (level + 2, stream, flags); |
943 | fprintf_filtered (stream, "private:\n"); | |
c191a687 KS |
944 | } |
945 | } | |
946 | else | |
947 | { | |
948 | if (last_access != s_public) | |
949 | { | |
950 | last_access = s_public; | |
7c161838 SDJ |
951 | print_spaces_filtered_with_print_options (level + 2, stream, flags); |
952 | fprintf_filtered (stream, "public:\n"); | |
c191a687 KS |
953 | } |
954 | } | |
955 | ||
956 | return last_access; | |
957 | } | |
958 | ||
7c161838 SDJ |
959 | /* Print information about field at index FIELD_IDX of the union type |
960 | TYPE. Since union fields don't have the concept of offsets, we | |
961 | just print their sizes. | |
962 | ||
963 | The output is strongly based on pahole(1). */ | |
964 | ||
965 | static void | |
966 | c_print_type_union_field_offset (struct type *type, unsigned int field_idx, | |
967 | struct ui_file *stream) | |
968 | { | |
969 | struct type *ftype = check_typedef (TYPE_FIELD_TYPE (type, field_idx)); | |
970 | ||
971 | fprintf_filtered (stream, "/* %4u */", TYPE_LENGTH (ftype)); | |
972 | } | |
973 | ||
ce1e8424 TT |
974 | /* Helper function for ptype/o implementation that prints information |
975 | about a hole, if necessary. STREAM is where to print. BITPOS is | |
976 | the bitpos of the current field. PODATA is the offset-printing | |
977 | state. FOR_WHAT is a string describing the purpose of the | |
978 | hole. */ | |
979 | ||
980 | static void | |
981 | maybe_print_hole (struct ui_file *stream, unsigned int bitpos, | |
982 | struct print_offset_data *podata, const char *for_what) | |
983 | { | |
984 | /* We check for PODATA->END_BITPOS > 0 because there is a specific | |
985 | scenario when PODATA->END_BITPOS can be zero and BITPOS can be > | |
986 | 0: when we are dealing with a struct/class with a virtual method. | |
987 | Because of the vtable, the first field of the struct/class will | |
988 | have an offset of sizeof (void *) (the size of the vtable). If | |
989 | we do not check for PODATA->END_BITPOS > 0 here, GDB will report | |
990 | a hole before the first field, which is not accurate. */ | |
991 | if (podata->end_bitpos > 0 && podata->end_bitpos < bitpos) | |
992 | { | |
993 | /* If PODATA->END_BITPOS is smaller than the current type's | |
994 | bitpos, it means there's a hole in the struct, so we report | |
995 | it here. */ | |
996 | unsigned int hole = bitpos - podata->end_bitpos; | |
997 | unsigned int hole_byte = hole / TARGET_CHAR_BIT; | |
998 | unsigned int hole_bit = hole % TARGET_CHAR_BIT; | |
999 | ||
1000 | if (hole_bit > 0) | |
1001 | fprintf_filtered (stream, "/* XXX %2u-bit %s */\n", hole_bit, | |
1002 | for_what); | |
1003 | ||
1004 | if (hole_byte > 0) | |
1005 | fprintf_filtered (stream, "/* XXX %2u-byte %s */\n", hole_byte, | |
1006 | for_what); | |
1007 | } | |
1008 | } | |
1009 | ||
7c161838 SDJ |
1010 | /* Print information about field at index FIELD_IDX of the struct type |
1011 | TYPE. | |
1012 | ||
1013 | PODATA->END_BITPOS is the one-past-the-end bit position of the | |
1014 | previous field (where we expect this field to be if there is no | |
1015 | hole). At the end, ENDPOS is updated to the one-past-the-end bit | |
1016 | position of the current field. | |
1017 | ||
1018 | PODATA->OFFSET_BITPOS is the offset value we carry over when we are | |
1019 | printing a struct that is inside another struct; this is useful so | |
1020 | that the offset is constantly incremented (if we didn't carry it | |
1021 | over, the offset would be reset to zero when printing the inner | |
1022 | struct). | |
1023 | ||
1024 | The output is strongly based on pahole(1). */ | |
1025 | ||
1026 | static void | |
1027 | c_print_type_struct_field_offset (struct type *type, unsigned int field_idx, | |
1028 | struct ui_file *stream, | |
1029 | struct print_offset_data *podata) | |
1030 | { | |
1031 | struct type *ftype = check_typedef (TYPE_FIELD_TYPE (type, field_idx)); | |
1032 | unsigned int bitpos = TYPE_FIELD_BITPOS (type, field_idx); | |
1033 | unsigned int fieldsize_byte = TYPE_LENGTH (ftype); | |
1034 | unsigned int fieldsize_bit = fieldsize_byte * TARGET_CHAR_BIT; | |
1035 | ||
ce1e8424 | 1036 | maybe_print_hole (stream, bitpos, podata, "hole"); |
7c161838 SDJ |
1037 | |
1038 | if (TYPE_FIELD_PACKED (type, field_idx)) | |
1039 | { | |
1040 | /* We're dealing with a bitfield. Print how many bits are left | |
1041 | to be used. */ | |
1042 | unsigned int bitsize = TYPE_FIELD_BITSIZE (type, field_idx); | |
1043 | /* The bitpos relative to the beginning of our container | |
1044 | field. */ | |
1045 | unsigned int relative_bitpos; | |
1046 | ||
1047 | /* The following was copied from | |
1048 | value.c:value_primitive_field. */ | |
1049 | if ((bitpos % fieldsize_bit) + bitsize <= fieldsize_bit) | |
1050 | relative_bitpos = bitpos % fieldsize_bit; | |
1051 | else | |
1052 | relative_bitpos = bitpos % TARGET_CHAR_BIT; | |
1053 | ||
1054 | /* This is the exact offset (in bits) of this bitfield. */ | |
1055 | unsigned int bit_offset | |
1056 | = (bitpos - relative_bitpos) + podata->offset_bitpos; | |
1057 | ||
1058 | /* The position of the field, relative to the beginning of the | |
1059 | struct, and how many bits are left to be used in this | |
1060 | container. */ | |
1061 | fprintf_filtered (stream, "/* %4u:%2u", bit_offset / TARGET_CHAR_BIT, | |
1062 | fieldsize_bit - (relative_bitpos + bitsize)); | |
1063 | fieldsize_bit = bitsize; | |
1064 | } | |
1065 | else | |
1066 | { | |
1067 | /* The position of the field, relative to the beginning of the | |
1068 | struct. */ | |
1069 | fprintf_filtered (stream, "/* %4u", | |
1070 | (bitpos + podata->offset_bitpos) / TARGET_CHAR_BIT); | |
1071 | ||
1072 | fprintf_filtered (stream, " "); | |
1073 | } | |
1074 | ||
1075 | fprintf_filtered (stream, " | %4u */", fieldsize_byte); | |
1076 | ||
1077 | podata->end_bitpos = bitpos + fieldsize_bit; | |
1078 | } | |
1079 | ||
1080 | /* Return true if an access label (i.e., "public:", "private:", | |
a27ed7d6 SDJ |
1081 | "protected:") needs to be printed for TYPE. */ |
1082 | ||
1083 | static bool | |
1084 | need_access_label_p (struct type *type) | |
1085 | { | |
1086 | if (TYPE_DECLARED_CLASS (type)) | |
1087 | { | |
1088 | QUIT; | |
1089 | for (int i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); i++) | |
1090 | if (!TYPE_FIELD_PRIVATE (type, i)) | |
1091 | return true; | |
1092 | QUIT; | |
1093 | for (int j = 0; j < TYPE_NFN_FIELDS (type); j++) | |
1094 | for (int i = 0; i < TYPE_FN_FIELDLIST_LENGTH (type, j); i++) | |
1095 | if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, | |
1096 | j), i)) | |
1097 | return true; | |
1098 | QUIT; | |
1099 | for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); ++i) | |
1100 | if (!TYPE_TYPEDEF_FIELD_PRIVATE (type, i)) | |
1101 | return true; | |
1102 | } | |
1103 | else | |
1104 | { | |
1105 | QUIT; | |
1106 | for (int i = TYPE_N_BASECLASSES (type); i < TYPE_NFIELDS (type); i++) | |
1107 | if (TYPE_FIELD_PRIVATE (type, i) || TYPE_FIELD_PROTECTED (type, i)) | |
1108 | return true; | |
1109 | QUIT; | |
1110 | for (int j = 0; j < TYPE_NFN_FIELDS (type); j++) | |
1111 | { | |
1112 | QUIT; | |
1113 | for (int i = 0; i < TYPE_FN_FIELDLIST_LENGTH (type, j); i++) | |
1114 | if (TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type, | |
1115 | j), i) | |
1116 | || TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type, | |
1117 | j), | |
1118 | i)) | |
1119 | return true; | |
1120 | } | |
1121 | QUIT; | |
1122 | for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); ++i) | |
1123 | if (TYPE_TYPEDEF_FIELD_PROTECTED (type, i) | |
1124 | || TYPE_TYPEDEF_FIELD_PRIVATE (type, i)) | |
1125 | return true; | |
1126 | } | |
1127 | ||
1128 | return false; | |
1129 | } | |
1130 | ||
7c161838 SDJ |
1131 | /* Helper function that temporarily disables FLAGS->PRINT_OFFSETS, |
1132 | calls 'c_print_type_1', and then reenables FLAGS->PRINT_OFFSETS if | |
1133 | applicable. */ | |
1134 | ||
1135 | static void | |
1136 | c_print_type_no_offsets (struct type *type, | |
1137 | const char *varstring, | |
1138 | struct ui_file *stream, | |
1139 | int show, int level, | |
c1ec8cea | 1140 | enum language language, |
7c161838 SDJ |
1141 | struct type_print_options *flags, |
1142 | struct print_offset_data *podata) | |
1143 | { | |
1144 | unsigned int old_po = flags->print_offsets; | |
1145 | ||
1146 | /* Temporarily disable print_offsets, because it would mess with | |
1147 | indentation. */ | |
1148 | flags->print_offsets = 0; | |
c1ec8cea TT |
1149 | c_print_type_1 (type, varstring, stream, show, level, language, flags, |
1150 | podata); | |
7c161838 SDJ |
1151 | flags->print_offsets = old_po; |
1152 | } | |
1153 | ||
a27ed7d6 SDJ |
1154 | /* Helper for 'c_type_print_base' that handles structs and unions. |
1155 | For a description of the arguments, see 'c_type_print_base'. */ | |
1156 | ||
1157 | static void | |
1158 | c_type_print_base_struct_union (struct type *type, struct ui_file *stream, | |
1159 | int show, int level, | |
c1ec8cea | 1160 | enum language language, |
7c161838 SDJ |
1161 | const struct type_print_options *flags, |
1162 | struct print_offset_data *podata) | |
a27ed7d6 SDJ |
1163 | { |
1164 | struct type_print_options local_flags = *flags; | |
a27ed7d6 | 1165 | local_flags.local_typedefs = NULL; |
a27ed7d6 | 1166 | |
c819b2c0 | 1167 | std::unique_ptr<typedef_hash_table> hash_holder; |
a27ed7d6 SDJ |
1168 | if (!flags->raw) |
1169 | { | |
1170 | if (flags->local_typedefs) | |
1171 | local_flags.local_typedefs | |
c819b2c0 | 1172 | = new typedef_hash_table (*flags->local_typedefs); |
a27ed7d6 | 1173 | else |
c819b2c0 | 1174 | local_flags.local_typedefs = new typedef_hash_table (); |
a27ed7d6 | 1175 | |
c819b2c0 | 1176 | hash_holder.reset (local_flags.local_typedefs); |
a27ed7d6 SDJ |
1177 | } |
1178 | ||
1179 | c_type_print_modifier (type, stream, 0, 1); | |
1180 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
1181 | fprintf_filtered (stream, "union "); | |
1182 | else if (TYPE_DECLARED_CLASS (type)) | |
1183 | fprintf_filtered (stream, "class "); | |
1184 | else | |
1185 | fprintf_filtered (stream, "struct "); | |
1186 | ||
1187 | /* Print the tag if it exists. The HP aCC compiler emits a | |
1188 | spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed | |
1189 | enum}" tag for unnamed struct/union/enum's, which we don't | |
1190 | want to print. */ | |
e86ca25f TT |
1191 | if (TYPE_NAME (type) != NULL |
1192 | && !startswith (TYPE_NAME (type), "{unnamed")) | |
a27ed7d6 SDJ |
1193 | { |
1194 | /* When printing the tag name, we are still effectively | |
1195 | printing in the outer context, hence the use of FLAGS | |
1196 | here. */ | |
e86ca25f | 1197 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); |
a27ed7d6 SDJ |
1198 | if (show > 0) |
1199 | fputs_filtered (" ", stream); | |
1200 | } | |
1201 | ||
1202 | if (show < 0) | |
1203 | { | |
1204 | /* If we just printed a tag name, no need to print anything | |
1205 | else. */ | |
e86ca25f | 1206 | if (TYPE_NAME (type) == NULL) |
a27ed7d6 SDJ |
1207 | fprintf_filtered (stream, "{...}"); |
1208 | } | |
e86ca25f | 1209 | else if (show > 0 || TYPE_NAME (type) == NULL) |
a27ed7d6 SDJ |
1210 | { |
1211 | struct type *basetype; | |
1212 | int vptr_fieldno; | |
1213 | ||
1214 | c_type_print_template_args (&local_flags, type, stream); | |
1215 | ||
1216 | /* Add in template parameters when printing derivation info. */ | |
c819b2c0 TT |
1217 | if (local_flags.local_typedefs != NULL) |
1218 | local_flags.local_typedefs->add_template_parameters (type); | |
a27ed7d6 SDJ |
1219 | cp_type_print_derivation_info (stream, type, &local_flags); |
1220 | ||
1221 | /* This holds just the global typedefs and the template | |
1222 | parameters. */ | |
c819b2c0 TT |
1223 | struct type_print_options semi_local_flags = *flags; |
1224 | semi_local_flags.local_typedefs = NULL; | |
a27ed7d6 | 1225 | |
c819b2c0 TT |
1226 | std::unique_ptr<typedef_hash_table> semi_holder; |
1227 | if (local_flags.local_typedefs != nullptr) | |
1228 | { | |
1229 | semi_local_flags.local_typedefs | |
1230 | = new typedef_hash_table (*local_flags.local_typedefs); | |
1231 | semi_holder.reset (semi_local_flags.local_typedefs); | |
1232 | ||
1233 | /* Now add in the local typedefs. */ | |
1234 | local_flags.local_typedefs->recursively_update (type); | |
1235 | } | |
a27ed7d6 SDJ |
1236 | |
1237 | fprintf_filtered (stream, "{\n"); | |
7c161838 | 1238 | |
a27ed7d6 SDJ |
1239 | if (TYPE_NFIELDS (type) == 0 && TYPE_NFN_FIELDS (type) == 0 |
1240 | && TYPE_TYPEDEF_FIELD_COUNT (type) == 0) | |
1241 | { | |
1242 | if (TYPE_STUB (type)) | |
1243 | fprintfi_filtered (level + 4, stream, | |
1244 | _("<incomplete type>\n")); | |
1245 | else | |
1246 | fprintfi_filtered (level + 4, stream, | |
1247 | _("<no data fields>\n")); | |
1248 | } | |
1249 | ||
1250 | /* Start off with no specific section type, so we can print | |
1251 | one for the first field we find, and use that section type | |
1252 | thereafter until we find another type. */ | |
1253 | ||
1254 | enum access_specifier section_type = s_none; | |
1255 | ||
1256 | /* For a class, if all members are private, there's no need | |
1257 | for a "private:" label; similarly, for a struct or union | |
1258 | masquerading as a class, if all members are public, there's | |
1259 | no need for a "public:" label. */ | |
1260 | bool need_access_label = need_access_label_p (type); | |
1261 | ||
1262 | /* If there is a base class for this type, | |
1263 | do not print the field that it occupies. */ | |
1264 | ||
1265 | int len = TYPE_NFIELDS (type); | |
1266 | vptr_fieldno = get_vptr_fieldno (type, &basetype); | |
7c161838 SDJ |
1267 | |
1268 | struct print_offset_data local_podata; | |
1269 | ||
a27ed7d6 SDJ |
1270 | for (int i = TYPE_N_BASECLASSES (type); i < len; i++) |
1271 | { | |
1272 | QUIT; | |
1273 | ||
1274 | /* If we have a virtual table pointer, omit it. Even if | |
1275 | virtual table pointers are not specifically marked in | |
1276 | the debug info, they should be artificial. */ | |
1277 | if ((i == vptr_fieldno && type == basetype) | |
1278 | || TYPE_FIELD_ARTIFICIAL (type, i)) | |
1279 | continue; | |
1280 | ||
1281 | if (need_access_label) | |
1282 | { | |
1283 | section_type = output_access_specifier | |
1284 | (stream, section_type, level, | |
1285 | TYPE_FIELD_PROTECTED (type, i), | |
7c161838 SDJ |
1286 | TYPE_FIELD_PRIVATE (type, i), flags); |
1287 | } | |
1288 | ||
1289 | bool is_static = field_is_static (&TYPE_FIELD (type, i)); | |
1290 | ||
1291 | if (flags->print_offsets) | |
1292 | { | |
1293 | if (!is_static) | |
1294 | { | |
1295 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT) | |
1296 | { | |
1297 | c_print_type_struct_field_offset | |
1298 | (type, i, stream, podata); | |
1299 | } | |
1300 | else if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
1301 | c_print_type_union_field_offset (type, i, stream); | |
1302 | } | |
1303 | else | |
1304 | print_spaces_filtered (OFFSET_SPC_LEN, stream); | |
a27ed7d6 SDJ |
1305 | } |
1306 | ||
1307 | print_spaces_filtered (level + 4, stream); | |
7c161838 | 1308 | if (is_static) |
a27ed7d6 | 1309 | fprintf_filtered (stream, "static "); |
7c161838 SDJ |
1310 | |
1311 | int newshow = show - 1; | |
1312 | ||
1313 | if (flags->print_offsets | |
1314 | && (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_STRUCT | |
1315 | || TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_UNION)) | |
1316 | { | |
1317 | /* If we're printing offsets and this field's type is | |
1318 | either a struct or an union, then we're interested in | |
1319 | expanding it. */ | |
1320 | ++newshow; | |
1321 | ||
1322 | /* Make sure we carry our offset when we expand the | |
1323 | struct/union. */ | |
1324 | local_podata.offset_bitpos | |
1325 | = podata->offset_bitpos + TYPE_FIELD_BITPOS (type, i); | |
1326 | /* We're entering a struct/union. Right now, | |
1327 | PODATA->END_BITPOS points right *after* the | |
1328 | struct/union. However, when printing the first field | |
1329 | of this inner struct/union, the end_bitpos we're | |
1330 | expecting is exactly at the beginning of the | |
1331 | struct/union. Therefore, we subtract the length of | |
1332 | the whole struct/union. */ | |
1333 | local_podata.end_bitpos | |
1334 | = podata->end_bitpos | |
1335 | - TYPE_LENGTH (TYPE_FIELD_TYPE (type, i)) * TARGET_CHAR_BIT; | |
1336 | } | |
1337 | ||
1338 | c_print_type_1 (TYPE_FIELD_TYPE (type, i), | |
1339 | TYPE_FIELD_NAME (type, i), | |
1340 | stream, newshow, level + 4, | |
c1ec8cea | 1341 | language, &local_flags, &local_podata); |
7c161838 SDJ |
1342 | |
1343 | if (!is_static && TYPE_FIELD_PACKED (type, i)) | |
a27ed7d6 SDJ |
1344 | { |
1345 | /* It is a bitfield. This code does not attempt | |
1346 | to look at the bitpos and reconstruct filler, | |
1347 | unnamed fields. This would lead to misleading | |
1348 | results if the compiler does not put out fields | |
1349 | for such things (I don't know what it does). */ | |
1350 | fprintf_filtered (stream, " : %d", | |
1351 | TYPE_FIELD_BITSIZE (type, i)); | |
1352 | } | |
1353 | fprintf_filtered (stream, ";\n"); | |
1354 | } | |
1355 | ||
1356 | /* If there are both fields and methods, put a blank line | |
1357 | between them. Make sure to count only method that we | |
1358 | will display; artificial methods will be hidden. */ | |
1359 | len = TYPE_NFN_FIELDS (type); | |
1360 | if (!flags->print_methods) | |
1361 | len = 0; | |
1362 | int real_len = 0; | |
1363 | for (int i = 0; i < len; i++) | |
1364 | { | |
1365 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
1366 | int len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
1367 | int j; | |
1368 | ||
1369 | for (j = 0; j < len2; j++) | |
1370 | if (!TYPE_FN_FIELD_ARTIFICIAL (f, j)) | |
1371 | real_len++; | |
1372 | } | |
1373 | if (real_len > 0 && section_type != s_none) | |
1374 | fprintf_filtered (stream, "\n"); | |
1375 | ||
1376 | /* C++: print out the methods. */ | |
1377 | for (int i = 0; i < len; i++) | |
1378 | { | |
1379 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
1380 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
1381 | const char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); | |
a737d952 | 1382 | const char *name = TYPE_NAME (type); |
a27ed7d6 SDJ |
1383 | int is_constructor = name && strcmp (method_name, |
1384 | name) == 0; | |
1385 | ||
1386 | for (j = 0; j < len2; j++) | |
1387 | { | |
1388 | const char *mangled_name; | |
1389 | gdb::unique_xmalloc_ptr<char> mangled_name_holder; | |
1390 | char *demangled_name; | |
1391 | const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); | |
1392 | int is_full_physname_constructor = | |
1393 | TYPE_FN_FIELD_CONSTRUCTOR (f, j) | |
1394 | || is_constructor_name (physname) | |
1395 | || is_destructor_name (physname) | |
1396 | || method_name[0] == '~'; | |
1397 | ||
1398 | /* Do not print out artificial methods. */ | |
1399 | if (TYPE_FN_FIELD_ARTIFICIAL (f, j)) | |
1400 | continue; | |
1401 | ||
1402 | QUIT; | |
1403 | section_type = output_access_specifier | |
1404 | (stream, section_type, level, | |
1405 | TYPE_FN_FIELD_PROTECTED (f, j), | |
7c161838 | 1406 | TYPE_FN_FIELD_PRIVATE (f, j), flags); |
a27ed7d6 | 1407 | |
7c161838 SDJ |
1408 | print_spaces_filtered_with_print_options (level + 4, stream, |
1409 | flags); | |
a27ed7d6 SDJ |
1410 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) |
1411 | fprintf_filtered (stream, "virtual "); | |
1412 | else if (TYPE_FN_FIELD_STATIC_P (f, j)) | |
1413 | fprintf_filtered (stream, "static "); | |
1414 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) | |
1415 | { | |
1416 | /* Keep GDB from crashing here. */ | |
1417 | fprintf_filtered (stream, | |
1418 | _("<undefined type> %s;\n"), | |
1419 | TYPE_FN_FIELD_PHYSNAME (f, j)); | |
1420 | break; | |
1421 | } | |
1422 | else if (!is_constructor /* Constructors don't | |
1423 | have declared | |
1424 | types. */ | |
1425 | && !is_full_physname_constructor /* " " */ | |
1426 | && !is_type_conversion_operator (type, i, j)) | |
1427 | { | |
7c161838 SDJ |
1428 | c_print_type_no_offsets |
1429 | (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), | |
c1ec8cea | 1430 | "", stream, -1, 0, language, &local_flags, podata); |
7c161838 | 1431 | |
a27ed7d6 SDJ |
1432 | fputs_filtered (" ", stream); |
1433 | } | |
1434 | if (TYPE_FN_FIELD_STUB (f, j)) | |
1435 | { | |
1436 | /* Build something we can demangle. */ | |
1437 | mangled_name_holder.reset (gdb_mangle_name (type, i, j)); | |
1438 | mangled_name = mangled_name_holder.get (); | |
1439 | } | |
1440 | else | |
1441 | mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j); | |
1442 | ||
1443 | demangled_name = | |
1444 | gdb_demangle (mangled_name, | |
1445 | DMGL_ANSI | DMGL_PARAMS); | |
1446 | if (demangled_name == NULL) | |
1447 | { | |
1448 | /* In some cases (for instance with the HP | |
1449 | demangling), if a function has more than 10 | |
1450 | arguments, the demangling will fail. | |
1451 | Let's try to reconstruct the function | |
1452 | signature from the symbol information. */ | |
1453 | if (!TYPE_FN_FIELD_STUB (f, j)) | |
1454 | { | |
1455 | int staticp = TYPE_FN_FIELD_STATIC_P (f, j); | |
1456 | struct type *mtype = TYPE_FN_FIELD_TYPE (f, j); | |
1457 | ||
1458 | cp_type_print_method_args (mtype, | |
1459 | "", | |
1460 | method_name, | |
1461 | staticp, | |
c1ec8cea TT |
1462 | stream, language, |
1463 | &local_flags); | |
a27ed7d6 SDJ |
1464 | } |
1465 | else | |
1466 | fprintf_filtered (stream, | |
1467 | _("<badly mangled name '%s'>"), | |
1468 | mangled_name); | |
1469 | } | |
1470 | else | |
1471 | { | |
1472 | char *p; | |
1473 | char *demangled_no_class | |
1474 | = remove_qualifiers (demangled_name); | |
1475 | ||
1476 | /* Get rid of the `static' appended by the | |
1477 | demangler. */ | |
1478 | p = strstr (demangled_no_class, " static"); | |
1479 | if (p != NULL) | |
1480 | { | |
1481 | int length = p - demangled_no_class; | |
1482 | char *demangled_no_static; | |
1483 | ||
1484 | demangled_no_static | |
1485 | = (char *) xmalloc (length + 1); | |
1486 | strncpy (demangled_no_static, | |
1487 | demangled_no_class, length); | |
1488 | *(demangled_no_static + length) = '\0'; | |
1489 | fputs_filtered (demangled_no_static, stream); | |
1490 | xfree (demangled_no_static); | |
1491 | } | |
1492 | else | |
1493 | fputs_filtered (demangled_no_class, stream); | |
1494 | xfree (demangled_name); | |
1495 | } | |
1496 | ||
1497 | fprintf_filtered (stream, ";\n"); | |
1498 | } | |
1499 | } | |
1500 | ||
1501 | /* Print out nested types. */ | |
1502 | if (TYPE_NESTED_TYPES_COUNT (type) != 0 | |
1503 | && semi_local_flags.print_nested_type_limit != 0) | |
1504 | { | |
1505 | if (semi_local_flags.print_nested_type_limit > 0) | |
1506 | --semi_local_flags.print_nested_type_limit; | |
1507 | ||
1508 | if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0) | |
1509 | fprintf_filtered (stream, "\n"); | |
1510 | ||
1511 | for (int i = 0; i < TYPE_NESTED_TYPES_COUNT (type); ++i) | |
1512 | { | |
7c161838 SDJ |
1513 | print_spaces_filtered_with_print_options (level + 4, stream, |
1514 | flags); | |
1515 | c_print_type_no_offsets (TYPE_NESTED_TYPES_FIELD_TYPE (type, i), | |
1516 | "", stream, show, level + 4, | |
c1ec8cea | 1517 | language, &semi_local_flags, podata); |
a27ed7d6 SDJ |
1518 | fprintf_filtered (stream, ";\n"); |
1519 | } | |
1520 | } | |
1521 | ||
1522 | /* Print typedefs defined in this class. */ | |
1523 | ||
1524 | if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0 && flags->print_typedefs) | |
1525 | { | |
1526 | if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0 | |
1527 | || TYPE_NESTED_TYPES_COUNT (type) != 0) | |
1528 | fprintf_filtered (stream, "\n"); | |
1529 | ||
1530 | for (int i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); i++) | |
1531 | { | |
1532 | struct type *target = TYPE_TYPEDEF_FIELD_TYPE (type, i); | |
1533 | ||
1534 | /* Dereference the typedef declaration itself. */ | |
1535 | gdb_assert (TYPE_CODE (target) == TYPE_CODE_TYPEDEF); | |
1536 | target = TYPE_TARGET_TYPE (target); | |
1537 | ||
1538 | if (need_access_label) | |
1539 | { | |
1540 | section_type = output_access_specifier | |
1541 | (stream, section_type, level, | |
1542 | TYPE_TYPEDEF_FIELD_PROTECTED (type, i), | |
7c161838 | 1543 | TYPE_TYPEDEF_FIELD_PRIVATE (type, i), flags); |
a27ed7d6 | 1544 | } |
7c161838 SDJ |
1545 | print_spaces_filtered_with_print_options (level + 4, stream, |
1546 | flags); | |
a27ed7d6 SDJ |
1547 | fprintf_filtered (stream, "typedef "); |
1548 | ||
1549 | /* We want to print typedefs with substitutions | |
1550 | from the template parameters or globally-known | |
1551 | typedefs but not local typedefs. */ | |
7c161838 SDJ |
1552 | c_print_type_no_offsets (target, |
1553 | TYPE_TYPEDEF_FIELD_NAME (type, i), | |
1554 | stream, show - 1, level + 4, | |
c1ec8cea | 1555 | language, &semi_local_flags, podata); |
a27ed7d6 SDJ |
1556 | fprintf_filtered (stream, ";\n"); |
1557 | } | |
1558 | } | |
1559 | ||
7c161838 SDJ |
1560 | if (flags->print_offsets) |
1561 | { | |
1562 | if (show > 0) | |
1563 | { | |
ce1e8424 TT |
1564 | unsigned int bitpos = TYPE_LENGTH (type) * TARGET_CHAR_BIT; |
1565 | maybe_print_hole (stream, bitpos, podata, "padding"); | |
1566 | ||
7c161838 SDJ |
1567 | fputs_filtered ("\n", stream); |
1568 | print_spaces_filtered_with_print_options (level + 4, | |
1569 | stream, | |
1570 | flags); | |
1571 | fprintf_filtered (stream, "/* total size (bytes): %4u */\n", | |
1572 | TYPE_LENGTH (type)); | |
1573 | } | |
1574 | ||
1575 | print_spaces_filtered (OFFSET_SPC_LEN, stream); | |
1576 | if (level == 0) | |
1577 | print_spaces_filtered (2, stream); | |
1578 | } | |
1579 | ||
a27ed7d6 SDJ |
1580 | fprintfi_filtered (level, stream, "}"); |
1581 | } | |
a27ed7d6 SDJ |
1582 | } |
1583 | ||
c906108c | 1584 | /* Print the name of the type (or the ultimate pointer target, |
aff410f1 MS |
1585 | function value or array element), or the description of a structure |
1586 | or union. | |
1587 | ||
1588 | SHOW positive means print details about the type (e.g. enum | |
1589 | values), and print structure elements passing SHOW - 1 for show. | |
1590 | ||
1591 | SHOW negative means just print the type name or struct tag if there | |
1592 | is one. If there is no name, print something sensible but concise | |
1593 | like "struct {...}". | |
1594 | ||
1595 | SHOW zero means just print the type name or struct tag if there is | |
1596 | one. If there is no name, print something sensible but not as | |
1597 | concise like "struct {int x; int y;}". | |
c906108c SS |
1598 | |
1599 | LEVEL is the number of spaces to indent by. | |
1600 | We increase it for some recursive calls. */ | |
1601 | ||
7c161838 SDJ |
1602 | static void |
1603 | c_type_print_base_1 (struct type *type, struct ui_file *stream, | |
1604 | int show, int level, | |
c1ec8cea | 1605 | enum language language, |
7c161838 SDJ |
1606 | const struct type_print_options *flags, |
1607 | struct print_offset_data *podata) | |
c906108c | 1608 | { |
b02dede2 | 1609 | int i; |
a27ed7d6 | 1610 | int len; |
c906108c SS |
1611 | |
1612 | QUIT; | |
1613 | ||
c906108c SS |
1614 | if (type == NULL) |
1615 | { | |
3d263c1d | 1616 | fputs_filtered (_("<type unknown>"), stream); |
c906108c SS |
1617 | return; |
1618 | } | |
1619 | ||
aff410f1 MS |
1620 | /* When SHOW is zero or less, and there is a valid type name, then |
1621 | always just print the type name directly from the type. */ | |
c906108c SS |
1622 | |
1623 | if (show <= 0 | |
1624 | && TYPE_NAME (type) != NULL) | |
1625 | { | |
47663de5 | 1626 | c_type_print_modifier (type, stream, 0, 1); |
e86ca25f TT |
1627 | |
1628 | /* If we have "typedef struct foo {. . .} bar;" do we want to | |
1629 | print it as "struct foo" or as "bar"? Pick the latter for | |
1630 | C++, because C++ folk tend to expect things like "class5 | |
1631 | *foo" rather than "struct class5 *foo". We rather | |
1632 | arbitrarily choose to make language_minimal work in a C-like | |
1633 | way. */ | |
1634 | if (language == language_c || language == language_minimal) | |
1635 | { | |
1636 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
1637 | fprintf_filtered (stream, "union "); | |
1638 | else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) | |
1639 | { | |
1640 | if (TYPE_DECLARED_CLASS (type)) | |
1641 | fprintf_filtered (stream, "class "); | |
1642 | else | |
1643 | fprintf_filtered (stream, "struct "); | |
1644 | } | |
1645 | else if (TYPE_CODE (type) == TYPE_CODE_ENUM) | |
1646 | fprintf_filtered (stream, "enum "); | |
1647 | } | |
1648 | ||
bd69fc68 | 1649 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); |
c906108c SS |
1650 | return; |
1651 | } | |
1652 | ||
f168693b | 1653 | type = check_typedef (type); |
c5aa993b | 1654 | |
c906108c SS |
1655 | switch (TYPE_CODE (type)) |
1656 | { | |
1657 | case TYPE_CODE_TYPEDEF: | |
aff410f1 MS |
1658 | /* If we get here, the typedef doesn't have a name, and we |
1659 | couldn't resolve TYPE_TARGET_TYPE. Not much we can do. */ | |
8c540a24 DE |
1660 | gdb_assert (TYPE_NAME (type) == NULL); |
1661 | gdb_assert (TYPE_TARGET_TYPE (type) == NULL); | |
1662 | fprintf_filtered (stream, _("<unnamed typedef>")); | |
1663 | break; | |
1664 | ||
7022349d PA |
1665 | case TYPE_CODE_FUNC: |
1666 | case TYPE_CODE_METHOD: | |
1667 | if (TYPE_TARGET_TYPE (type) == NULL) | |
1668 | type_print_unknown_return_type (stream); | |
1669 | else | |
7c161838 | 1670 | c_type_print_base_1 (TYPE_TARGET_TYPE (type), |
c1ec8cea | 1671 | stream, show, level, language, flags, podata); |
7022349d | 1672 | break; |
c906108c SS |
1673 | case TYPE_CODE_ARRAY: |
1674 | case TYPE_CODE_PTR: | |
0d5de010 | 1675 | case TYPE_CODE_MEMBERPTR: |
c906108c | 1676 | case TYPE_CODE_REF: |
e1cb3213 | 1677 | case TYPE_CODE_RVALUE_REF: |
0d5de010 | 1678 | case TYPE_CODE_METHODPTR: |
7c161838 | 1679 | c_type_print_base_1 (TYPE_TARGET_TYPE (type), |
c1ec8cea | 1680 | stream, show, level, language, flags, podata); |
c906108c SS |
1681 | break; |
1682 | ||
1683 | case TYPE_CODE_STRUCT: | |
1c5b7826 | 1684 | case TYPE_CODE_UNION: |
c1ec8cea TT |
1685 | c_type_print_base_struct_union (type, stream, show, level, |
1686 | language, flags, podata); | |
c906108c SS |
1687 | break; |
1688 | ||
1689 | case TYPE_CODE_ENUM: | |
47663de5 | 1690 | c_type_print_modifier (type, stream, 0, 1); |
c5aa993b | 1691 | fprintf_filtered (stream, "enum "); |
3d567982 TT |
1692 | if (TYPE_DECLARED_CLASS (type)) |
1693 | fprintf_filtered (stream, "class "); | |
c906108c SS |
1694 | /* Print the tag name if it exists. |
1695 | The aCC compiler emits a spurious | |
1696 | "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}" | |
1697 | tag for unnamed struct/union/enum's, which we don't | |
aff410f1 | 1698 | want to print. */ |
e86ca25f TT |
1699 | if (TYPE_NAME (type) != NULL |
1700 | && !startswith (TYPE_NAME (type), "{unnamed")) | |
c906108c | 1701 | { |
e86ca25f | 1702 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); |
c906108c SS |
1703 | if (show > 0) |
1704 | fputs_filtered (" ", stream); | |
1705 | } | |
1706 | ||
1707 | wrap_here (" "); | |
1708 | if (show < 0) | |
1709 | { | |
aff410f1 MS |
1710 | /* If we just printed a tag name, no need to print anything |
1711 | else. */ | |
e86ca25f | 1712 | if (TYPE_NAME (type) == NULL) |
c906108c SS |
1713 | fprintf_filtered (stream, "{...}"); |
1714 | } | |
e86ca25f | 1715 | else if (show > 0 || TYPE_NAME (type) == NULL) |
c906108c | 1716 | { |
14e75d8e JK |
1717 | LONGEST lastval = 0; |
1718 | ||
3d567982 TT |
1719 | /* We can't handle this case perfectly, as DWARF does not |
1720 | tell us whether or not the underlying type was specified | |
1721 | in the source (and other debug formats don't provide this | |
1722 | at all). We choose to print the underlying type, if it | |
1723 | has a name, when in C++ on the theory that it's better to | |
1724 | print too much than too little; but conversely not to | |
1725 | print something egregiously outside the current | |
1726 | language's syntax. */ | |
c1ec8cea | 1727 | if (language == language_cplus && TYPE_TARGET_TYPE (type) != NULL) |
3d567982 TT |
1728 | { |
1729 | struct type *underlying = check_typedef (TYPE_TARGET_TYPE (type)); | |
1730 | ||
1731 | if (TYPE_NAME (underlying) != NULL) | |
1732 | fprintf_filtered (stream, ": %s ", TYPE_NAME (underlying)); | |
1733 | } | |
1734 | ||
c906108c SS |
1735 | fprintf_filtered (stream, "{"); |
1736 | len = TYPE_NFIELDS (type); | |
c906108c SS |
1737 | for (i = 0; i < len; i++) |
1738 | { | |
1739 | QUIT; | |
c5aa993b JM |
1740 | if (i) |
1741 | fprintf_filtered (stream, ", "); | |
c906108c SS |
1742 | wrap_here (" "); |
1743 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
14e75d8e | 1744 | if (lastval != TYPE_FIELD_ENUMVAL (type, i)) |
c906108c | 1745 | { |
14e75d8e JK |
1746 | fprintf_filtered (stream, " = %s", |
1747 | plongest (TYPE_FIELD_ENUMVAL (type, i))); | |
1748 | lastval = TYPE_FIELD_ENUMVAL (type, i); | |
c906108c SS |
1749 | } |
1750 | lastval++; | |
1751 | } | |
1752 | fprintf_filtered (stream, "}"); | |
1753 | } | |
1754 | break; | |
1755 | ||
81516450 DE |
1756 | case TYPE_CODE_FLAGS: |
1757 | { | |
1758 | struct type_print_options local_flags = *flags; | |
1759 | ||
1760 | local_flags.local_typedefs = NULL; | |
1761 | ||
1762 | c_type_print_modifier (type, stream, 0, 1); | |
1763 | fprintf_filtered (stream, "flag "); | |
1764 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); | |
1765 | if (show > 0) | |
1766 | { | |
1767 | fputs_filtered (" ", stream); | |
1768 | fprintf_filtered (stream, "{\n"); | |
1769 | if (TYPE_NFIELDS (type) == 0) | |
1770 | { | |
1771 | if (TYPE_STUB (type)) | |
1772 | fprintfi_filtered (level + 4, stream, | |
1773 | _("<incomplete type>\n")); | |
1774 | else | |
1775 | fprintfi_filtered (level + 4, stream, | |
1776 | _("<no data fields>\n")); | |
1777 | } | |
1778 | len = TYPE_NFIELDS (type); | |
1779 | for (i = 0; i < len; i++) | |
1780 | { | |
1781 | QUIT; | |
1782 | print_spaces_filtered (level + 4, stream); | |
1783 | /* We pass "show" here and not "show - 1" to get enum types | |
1784 | printed. There's no other way to see them. */ | |
7c161838 SDJ |
1785 | c_print_type_1 (TYPE_FIELD_TYPE (type, i), |
1786 | TYPE_FIELD_NAME (type, i), | |
1787 | stream, show, level + 4, | |
c1ec8cea | 1788 | language, &local_flags, podata); |
6b850546 DT |
1789 | fprintf_filtered (stream, " @%s", |
1790 | plongest (TYPE_FIELD_BITPOS (type, i))); | |
81516450 DE |
1791 | if (TYPE_FIELD_BITSIZE (type, i) > 1) |
1792 | { | |
6b850546 DT |
1793 | fprintf_filtered (stream, "-%s", |
1794 | plongest (TYPE_FIELD_BITPOS (type, i) | |
1795 | + TYPE_FIELD_BITSIZE (type, i) | |
1796 | - 1)); | |
81516450 DE |
1797 | } |
1798 | fprintf_filtered (stream, ";\n"); | |
1799 | } | |
1800 | fprintfi_filtered (level, stream, "}"); | |
1801 | } | |
1802 | } | |
1803 | break; | |
1804 | ||
c906108c SS |
1805 | case TYPE_CODE_VOID: |
1806 | fprintf_filtered (stream, "void"); | |
1807 | break; | |
1808 | ||
1809 | case TYPE_CODE_UNDEF: | |
3d263c1d | 1810 | fprintf_filtered (stream, _("struct <unknown>")); |
c906108c SS |
1811 | break; |
1812 | ||
1813 | case TYPE_CODE_ERROR: | |
b00fdb78 | 1814 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); |
c906108c SS |
1815 | break; |
1816 | ||
1817 | case TYPE_CODE_RANGE: | |
0963b4bd | 1818 | /* This should not occur. */ |
3d263c1d | 1819 | fprintf_filtered (stream, _("<range type>")); |
c906108c SS |
1820 | break; |
1821 | ||
5c4e30ca DC |
1822 | case TYPE_CODE_NAMESPACE: |
1823 | fputs_filtered ("namespace ", stream); | |
e86ca25f | 1824 | fputs_filtered (TYPE_NAME (type), stream); |
5c4e30ca DC |
1825 | break; |
1826 | ||
c906108c | 1827 | default: |
aff410f1 MS |
1828 | /* Handle types not explicitly handled by the other cases, such |
1829 | as fundamental types. For these, just print whatever the | |
1830 | type name is, as recorded in the type itself. If there is no | |
1831 | type name, then complain. */ | |
c906108c SS |
1832 | if (TYPE_NAME (type) != NULL) |
1833 | { | |
47663de5 | 1834 | c_type_print_modifier (type, stream, 0, 1); |
bd69fc68 | 1835 | print_name_maybe_canonical (TYPE_NAME (type), flags, stream); |
c906108c SS |
1836 | } |
1837 | else | |
1838 | { | |
aff410f1 MS |
1839 | /* At least for dump_symtab, it is important that this not |
1840 | be an error (). */ | |
3d263c1d | 1841 | fprintf_filtered (stream, _("<invalid type code %d>"), |
c906108c SS |
1842 | TYPE_CODE (type)); |
1843 | } | |
1844 | break; | |
1845 | } | |
1846 | } | |
7c161838 SDJ |
1847 | |
1848 | /* See c_type_print_base_1. */ | |
1849 | ||
1850 | void | |
1851 | c_type_print_base (struct type *type, struct ui_file *stream, | |
1852 | int show, int level, | |
1853 | const struct type_print_options *flags) | |
1854 | { | |
1855 | struct print_offset_data podata; | |
1856 | ||
c1ec8cea TT |
1857 | c_type_print_base_1 (type, stream, show, level, |
1858 | current_language->la_language, flags, &podata); | |
7c161838 | 1859 | } |