Commit | Line | Data |
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c906108c | 1 | /* Support for printing Fortran types for GDB, the GNU debugger. |
1bac305b | 2 | |
42a4f53d | 3 | Copyright (C) 1986-2019 Free Software Foundation, Inc. |
1bac305b | 4 | |
c906108c SS |
5 | Contributed by Motorola. Adapted from the C version by Farooq Butt |
6 | (fmbutt@engage.sps.mot.com). | |
7 | ||
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 13 | (at your option) any later version. |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
22 | |
23 | #include "defs.h" | |
4de283e4 | 24 | #include "gdb_obstack.h" |
c906108c | 25 | #include "bfd.h" |
4de283e4 TT |
26 | #include "symtab.h" |
27 | #include "gdbtypes.h" | |
c906108c | 28 | #include "expression.h" |
4de283e4 | 29 | #include "value.h" |
c906108c SS |
30 | #include "gdbcore.h" |
31 | #include "target.h" | |
4de283e4 | 32 | #include "f-lang.h" |
3f2f83dd | 33 | #include "typeprint.h" |
c906108c | 34 | |
0963b4bd | 35 | #if 0 /* Currently unused. */ |
d9fcf2fb | 36 | static void f_type_print_args (struct type *, struct ui_file *); |
c906108c SS |
37 | #endif |
38 | ||
0311118f | 39 | static void f_type_print_varspec_suffix (struct type *, struct ui_file *, int, |
584a927c | 40 | int, int, int, bool); |
c906108c | 41 | |
d9fcf2fb JM |
42 | void f_type_print_varspec_prefix (struct type *, struct ui_file *, |
43 | int, int); | |
c906108c | 44 | |
d9fcf2fb | 45 | void f_type_print_base (struct type *, struct ui_file *, int, int); |
c906108c | 46 | \f |
c5aa993b | 47 | |
c906108c SS |
48 | /* LEVEL is the depth to indent lines by. */ |
49 | ||
50 | void | |
25b524e8 | 51 | f_print_type (struct type *type, const char *varstring, struct ui_file *stream, |
79d43c61 | 52 | int show, int level, const struct type_print_options *flags) |
c906108c | 53 | { |
52f0bd74 | 54 | enum type_code code; |
c906108c SS |
55 | |
56 | f_type_print_base (type, stream, show, level); | |
57 | code = TYPE_CODE (type); | |
58 | if ((varstring != NULL && *varstring != '\0') | |
f1fdc960 AB |
59 | /* Need a space if going to print stars or brackets; but not if we |
60 | will print just a type name. */ | |
61 | || ((show > 0 | |
62 | || TYPE_NAME (type) == 0) | |
63 | && (code == TYPE_CODE_FUNC | |
905e0470 PM |
64 | || code == TYPE_CODE_METHOD |
65 | || code == TYPE_CODE_ARRAY | |
f1fdc960 AB |
66 | || ((code == TYPE_CODE_PTR |
67 | || code == TYPE_CODE_REF) | |
68 | && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_FUNC | |
69 | || (TYPE_CODE (TYPE_TARGET_TYPE (type)) | |
70 | == TYPE_CODE_METHOD) | |
71 | || (TYPE_CODE (TYPE_TARGET_TYPE (type)) | |
72 | == TYPE_CODE_ARRAY)))))) | |
c906108c SS |
73 | fputs_filtered (" ", stream); |
74 | f_type_print_varspec_prefix (type, stream, show, 0); | |
75 | ||
a7dfd010 MD |
76 | if (varstring != NULL) |
77 | { | |
2123df0e YQ |
78 | int demangled_args; |
79 | ||
a7dfd010 | 80 | fputs_filtered (varstring, stream); |
c906108c | 81 | |
a7dfd010 | 82 | /* For demangled function names, we have the arglist as part of the name, |
0963b4bd | 83 | so don't print an additional pair of ()'s. */ |
c906108c | 84 | |
2123df0e YQ |
85 | demangled_args = (*varstring != '\0' |
86 | && varstring[strlen (varstring) - 1] == ')'); | |
584a927c | 87 | f_type_print_varspec_suffix (type, stream, show, 0, demangled_args, 0, false); |
a7dfd010 | 88 | } |
c906108c SS |
89 | } |
90 | ||
91 | /* Print any asterisks or open-parentheses needed before the | |
92 | variable name (to describe its type). | |
93 | ||
94 | On outermost call, pass 0 for PASSED_A_PTR. | |
95 | On outermost call, SHOW > 0 means should ignore | |
96 | any typename for TYPE and show its details. | |
97 | SHOW is always zero on recursive calls. */ | |
98 | ||
99 | void | |
fba45db2 KB |
100 | f_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
101 | int show, int passed_a_ptr) | |
c906108c SS |
102 | { |
103 | if (type == 0) | |
104 | return; | |
105 | ||
106 | if (TYPE_NAME (type) && show <= 0) | |
107 | return; | |
108 | ||
109 | QUIT; | |
110 | ||
111 | switch (TYPE_CODE (type)) | |
112 | { | |
113 | case TYPE_CODE_PTR: | |
114 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
115 | break; | |
116 | ||
117 | case TYPE_CODE_FUNC: | |
118 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
119 | if (passed_a_ptr) | |
120 | fprintf_filtered (stream, "("); | |
121 | break; | |
122 | ||
123 | case TYPE_CODE_ARRAY: | |
124 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
125 | break; | |
126 | ||
127 | case TYPE_CODE_UNDEF: | |
128 | case TYPE_CODE_STRUCT: | |
129 | case TYPE_CODE_UNION: | |
130 | case TYPE_CODE_ENUM: | |
131 | case TYPE_CODE_INT: | |
132 | case TYPE_CODE_FLT: | |
133 | case TYPE_CODE_VOID: | |
134 | case TYPE_CODE_ERROR: | |
135 | case TYPE_CODE_CHAR: | |
136 | case TYPE_CODE_BOOL: | |
137 | case TYPE_CODE_SET: | |
138 | case TYPE_CODE_RANGE: | |
139 | case TYPE_CODE_STRING: | |
c906108c | 140 | case TYPE_CODE_METHOD: |
c906108c SS |
141 | case TYPE_CODE_REF: |
142 | case TYPE_CODE_COMPLEX: | |
143 | case TYPE_CODE_TYPEDEF: | |
144 | /* These types need no prefix. They are listed here so that | |
c5aa993b | 145 | gcc -Wall will reveal any types that haven't been handled. */ |
c906108c SS |
146 | break; |
147 | } | |
148 | } | |
149 | ||
c906108c SS |
150 | /* Print any array sizes, function arguments or close parentheses |
151 | needed after the variable name (to describe its type). | |
584a927c AB |
152 | Args work like c_type_print_varspec_prefix. |
153 | ||
154 | PRINT_RANK_ONLY is true when TYPE is an array which should be printed | |
155 | without the upper and lower bounds being specified, this will occur | |
156 | when the array is not allocated or not associated and so there are no | |
157 | known upper or lower bounds. */ | |
c906108c SS |
158 | |
159 | static void | |
fba45db2 | 160 | f_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
0311118f | 161 | int show, int passed_a_ptr, int demangled_args, |
584a927c | 162 | int arrayprint_recurse_level, bool print_rank_only) |
c906108c | 163 | { |
0311118f JK |
164 | /* No static variables are permitted as an error call may occur during |
165 | execution of this function. */ | |
c906108c SS |
166 | |
167 | if (type == 0) | |
168 | return; | |
169 | ||
170 | if (TYPE_NAME (type) && show <= 0) | |
171 | return; | |
172 | ||
173 | QUIT; | |
174 | ||
175 | switch (TYPE_CODE (type)) | |
176 | { | |
177 | case TYPE_CODE_ARRAY: | |
178 | arrayprint_recurse_level++; | |
179 | ||
180 | if (arrayprint_recurse_level == 1) | |
c5aa993b | 181 | fprintf_filtered (stream, "("); |
c906108c | 182 | |
3f2f83dd | 183 | if (type_not_associated (type)) |
584a927c | 184 | print_rank_only = true; |
3f2f83dd | 185 | else if (type_not_allocated (type)) |
584a927c AB |
186 | print_rank_only = true; |
187 | else if ((TYPE_ASSOCIATED_PROP (type) | |
188 | && PROP_CONST != TYPE_DYN_PROP_KIND (TYPE_ASSOCIATED_PROP (type))) | |
189 | || (TYPE_ALLOCATED_PROP (type) | |
190 | && PROP_CONST != TYPE_DYN_PROP_KIND (TYPE_ALLOCATED_PROP (type))) | |
191 | || (TYPE_DATA_LOCATION (type) | |
192 | && PROP_CONST != TYPE_DYN_PROP_KIND (TYPE_DATA_LOCATION (type)))) | |
193 | { | |
194 | /* This case exist when we ptype a typename which has the dynamic | |
195 | properties but cannot be resolved as there is no object. */ | |
196 | print_rank_only = true; | |
197 | } | |
3f2f83dd | 198 | |
584a927c AB |
199 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY) |
200 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
201 | 0, 0, arrayprint_recurse_level, | |
202 | print_rank_only); | |
2880242d | 203 | |
584a927c AB |
204 | if (print_rank_only) |
205 | fprintf_filtered (stream, ":"); | |
206 | else | |
207 | { | |
208 | LONGEST lower_bound = f77_get_lowerbound (type); | |
209 | if (lower_bound != 1) /* Not the default. */ | |
2880242d | 210 | fprintf_filtered (stream, "%s:", plongest (lower_bound)); |
3f2f83dd | 211 | |
584a927c AB |
212 | /* Make sure that, if we have an assumed size array, we |
213 | print out a warning and print the upperbound as '*'. */ | |
3f2f83dd | 214 | |
584a927c AB |
215 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
216 | fprintf_filtered (stream, "*"); | |
217 | else | |
218 | { | |
219 | LONGEST upper_bound = f77_get_upperbound (type); | |
2880242d KS |
220 | |
221 | fputs_filtered (plongest (upper_bound), stream); | |
584a927c AB |
222 | } |
223 | } | |
224 | ||
225 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY) | |
226 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
227 | 0, 0, arrayprint_recurse_level, | |
228 | print_rank_only); | |
3f2f83dd | 229 | |
c906108c SS |
230 | if (arrayprint_recurse_level == 1) |
231 | fprintf_filtered (stream, ")"); | |
232 | else | |
c5aa993b | 233 | fprintf_filtered (stream, ","); |
c906108c SS |
234 | arrayprint_recurse_level--; |
235 | break; | |
236 | ||
237 | case TYPE_CODE_PTR: | |
238 | case TYPE_CODE_REF: | |
0311118f | 239 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0, |
584a927c | 240 | arrayprint_recurse_level, false); |
f1fdc960 | 241 | fprintf_filtered (stream, " )"); |
c906108c SS |
242 | break; |
243 | ||
244 | case TYPE_CODE_FUNC: | |
bf7a4de1 AB |
245 | { |
246 | int i, nfields = TYPE_NFIELDS (type); | |
c906108c | 247 | |
bf7a4de1 | 248 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
584a927c AB |
249 | passed_a_ptr, 0, |
250 | arrayprint_recurse_level, false); | |
bf7a4de1 | 251 | if (passed_a_ptr) |
f1fdc960 | 252 | fprintf_filtered (stream, ") "); |
bf7a4de1 AB |
253 | fprintf_filtered (stream, "("); |
254 | if (nfields == 0 && TYPE_PROTOTYPED (type)) | |
255 | f_print_type (builtin_f_type (get_type_arch (type))->builtin_void, | |
256 | "", stream, -1, 0, 0); | |
257 | else | |
258 | for (i = 0; i < nfields; i++) | |
259 | { | |
260 | if (i > 0) | |
261 | { | |
262 | fputs_filtered (", ", stream); | |
263 | wrap_here (" "); | |
264 | } | |
265 | f_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0, 0); | |
266 | } | |
267 | fprintf_filtered (stream, ")"); | |
268 | } | |
c906108c SS |
269 | break; |
270 | ||
271 | case TYPE_CODE_UNDEF: | |
272 | case TYPE_CODE_STRUCT: | |
273 | case TYPE_CODE_UNION: | |
274 | case TYPE_CODE_ENUM: | |
275 | case TYPE_CODE_INT: | |
276 | case TYPE_CODE_FLT: | |
277 | case TYPE_CODE_VOID: | |
278 | case TYPE_CODE_ERROR: | |
279 | case TYPE_CODE_CHAR: | |
280 | case TYPE_CODE_BOOL: | |
281 | case TYPE_CODE_SET: | |
282 | case TYPE_CODE_RANGE: | |
283 | case TYPE_CODE_STRING: | |
c906108c | 284 | case TYPE_CODE_METHOD: |
c906108c SS |
285 | case TYPE_CODE_COMPLEX: |
286 | case TYPE_CODE_TYPEDEF: | |
287 | /* These types do not need a suffix. They are listed so that | |
c5aa993b | 288 | gcc -Wall will report types that may not have been considered. */ |
c906108c SS |
289 | break; |
290 | } | |
291 | } | |
292 | ||
c906108c SS |
293 | /* Print the name of the type (or the ultimate pointer target, |
294 | function value or array element), or the description of a | |
295 | structure or union. | |
296 | ||
297 | SHOW nonzero means don't print this type as just its name; | |
298 | show its real definition even if it has a name. | |
299 | SHOW zero means print just typename or struct tag if there is one | |
300 | SHOW negative means abbreviate structure elements. | |
301 | SHOW is decremented for printing of structure elements. | |
302 | ||
303 | LEVEL is the depth to indent by. | |
304 | We increase it for some recursive calls. */ | |
305 | ||
306 | void | |
fba45db2 KB |
307 | f_type_print_base (struct type *type, struct ui_file *stream, int show, |
308 | int level) | |
c906108c | 309 | { |
2a5e440c WZ |
310 | int index; |
311 | ||
c906108c SS |
312 | QUIT; |
313 | ||
314 | wrap_here (" "); | |
315 | if (type == NULL) | |
316 | { | |
317 | fputs_filtered ("<type unknown>", stream); | |
318 | return; | |
319 | } | |
320 | ||
321 | /* When SHOW is zero or less, and there is a valid type name, then always | |
0963b4bd | 322 | just print the type name directly from the type. */ |
c906108c SS |
323 | |
324 | if ((show <= 0) && (TYPE_NAME (type) != NULL)) | |
325 | { | |
e86ca25f TT |
326 | const char *prefix = ""; |
327 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
328 | prefix = "Type, C_Union :: "; | |
329 | else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) | |
330 | prefix = "Type "; | |
331 | fprintfi_filtered (level, stream, "%s%s", prefix, TYPE_NAME (type)); | |
c906108c SS |
332 | return; |
333 | } | |
334 | ||
335 | if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF) | |
f168693b | 336 | type = check_typedef (type); |
c906108c SS |
337 | |
338 | switch (TYPE_CODE (type)) | |
339 | { | |
340 | case TYPE_CODE_TYPEDEF: | |
341 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
342 | break; | |
343 | ||
344 | case TYPE_CODE_ARRAY: | |
c906108c | 345 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
7022349d PA |
346 | break; |
347 | case TYPE_CODE_FUNC: | |
348 | if (TYPE_TARGET_TYPE (type) == NULL) | |
349 | type_print_unknown_return_type (stream); | |
350 | else | |
351 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
c906108c SS |
352 | break; |
353 | ||
c5aa993b | 354 | case TYPE_CODE_PTR: |
a5ad232b FP |
355 | fprintfi_filtered (level, stream, "PTR TO -> ( "); |
356 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
7e86466e RH |
357 | break; |
358 | ||
359 | case TYPE_CODE_REF: | |
a5ad232b FP |
360 | fprintfi_filtered (level, stream, "REF TO -> ( "); |
361 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
c906108c SS |
362 | break; |
363 | ||
364 | case TYPE_CODE_VOID: | |
bbe75b9d AB |
365 | { |
366 | gdbarch *gdbarch = get_type_arch (type); | |
367 | struct type *void_type = builtin_f_type (gdbarch)->builtin_void; | |
368 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (void_type)); | |
369 | } | |
c906108c SS |
370 | break; |
371 | ||
372 | case TYPE_CODE_UNDEF: | |
2a5e440c | 373 | fprintfi_filtered (level, stream, "struct <unknown>"); |
c906108c SS |
374 | break; |
375 | ||
376 | case TYPE_CODE_ERROR: | |
b00fdb78 | 377 | fprintfi_filtered (level, stream, "%s", TYPE_ERROR_NAME (type)); |
c906108c SS |
378 | break; |
379 | ||
380 | case TYPE_CODE_RANGE: | |
0963b4bd | 381 | /* This should not occur. */ |
2a5e440c | 382 | fprintfi_filtered (level, stream, "<range type>"); |
c906108c SS |
383 | break; |
384 | ||
385 | case TYPE_CODE_CHAR: | |
c906108c SS |
386 | case TYPE_CODE_INT: |
387 | /* There may be some character types that attempt to come | |
388 | through as TYPE_CODE_INT since dbxstclass.h is so | |
389 | C-oriented, we must change these to "character" from "char". */ | |
390 | ||
bde58177 | 391 | if (strcmp (TYPE_NAME (type), "char") == 0) |
2a5e440c | 392 | fprintfi_filtered (level, stream, "character"); |
c906108c SS |
393 | else |
394 | goto default_case; | |
395 | break; | |
396 | ||
c906108c | 397 | case TYPE_CODE_STRING: |
0963b4bd | 398 | /* Strings may have dynamic upperbounds (lengths) like arrays. */ |
c906108c | 399 | |
d78df370 | 400 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
2a5e440c | 401 | fprintfi_filtered (level, stream, "character*(*)"); |
c906108c SS |
402 | else |
403 | { | |
2880242d KS |
404 | LONGEST upper_bound = f77_get_upperbound (type); |
405 | ||
406 | fprintf_filtered (stream, "character*%s", pulongest (upper_bound)); | |
c906108c SS |
407 | } |
408 | break; | |
409 | ||
2a5e440c | 410 | case TYPE_CODE_STRUCT: |
9eec4d1e MD |
411 | case TYPE_CODE_UNION: |
412 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
413 | fprintfi_filtered (level, stream, "Type, C_Union :: "); | |
414 | else | |
415 | fprintfi_filtered (level, stream, "Type "); | |
e86ca25f | 416 | fputs_filtered (TYPE_NAME (type), stream); |
9b2db1fd BH |
417 | /* According to the definition, |
418 | we only print structure elements in case show > 0. */ | |
419 | if (show > 0) | |
2a5e440c | 420 | { |
2a5e440c | 421 | fputs_filtered ("\n", stream); |
9b2db1fd BH |
422 | for (index = 0; index < TYPE_NFIELDS (type); index++) |
423 | { | |
e188eb36 BH |
424 | f_type_print_base (TYPE_FIELD_TYPE (type, index), stream, |
425 | show - 1, level + 4); | |
9b2db1fd BH |
426 | fputs_filtered (" :: ", stream); |
427 | fputs_filtered (TYPE_FIELD_NAME (type, index), stream); | |
428 | f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index), | |
584a927c | 429 | stream, show - 1, 0, 0, 0, false); |
9b2db1fd BH |
430 | fputs_filtered ("\n", stream); |
431 | } | |
432 | fprintfi_filtered (level, stream, "End Type "); | |
e86ca25f | 433 | fputs_filtered (TYPE_NAME (type), stream); |
9b2db1fd | 434 | } |
2a5e440c WZ |
435 | break; |
436 | ||
f55ee35c | 437 | case TYPE_CODE_MODULE: |
e86ca25f | 438 | fprintfi_filtered (level, stream, "module %s", TYPE_NAME (type)); |
f55ee35c JK |
439 | break; |
440 | ||
c906108c SS |
441 | default_case: |
442 | default: | |
443 | /* Handle types not explicitly handled by the other cases, | |
c5aa993b JM |
444 | such as fundamental types. For these, just print whatever |
445 | the type name is, as recorded in the type itself. If there | |
0963b4bd | 446 | is no type name, then complain. */ |
c906108c | 447 | if (TYPE_NAME (type) != NULL) |
848359ac | 448 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (type)); |
c906108c | 449 | else |
8a3fe4f8 | 450 | error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type)); |
c906108c SS |
451 | break; |
452 | } | |
bc68014d AB |
453 | |
454 | if (TYPE_IS_ALLOCATABLE (type)) | |
455 | fprintf_filtered (stream, ", allocatable"); | |
c906108c | 456 | } |