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" |
7f6aba03 | 34 | #include "cli/cli-style.h" |
c906108c | 35 | |
0963b4bd | 36 | #if 0 /* Currently unused. */ |
d9fcf2fb | 37 | static void f_type_print_args (struct type *, struct ui_file *); |
c906108c SS |
38 | #endif |
39 | ||
0311118f | 40 | static void f_type_print_varspec_suffix (struct type *, struct ui_file *, int, |
584a927c | 41 | int, int, int, bool); |
c906108c | 42 | |
d9fcf2fb JM |
43 | void f_type_print_varspec_prefix (struct type *, struct ui_file *, |
44 | int, int); | |
c906108c | 45 | |
d9fcf2fb | 46 | void f_type_print_base (struct type *, struct ui_file *, int, int); |
c906108c | 47 | \f |
c5aa993b | 48 | |
1f20c35e AB |
49 | /* See documentation in f-lang.h. */ |
50 | ||
51 | void | |
52 | f_print_typedef (struct type *type, struct symbol *new_symbol, | |
53 | struct ui_file *stream) | |
54 | { | |
55 | type = check_typedef (type); | |
56 | f_print_type (type, "", stream, 0, 0, &type_print_raw_options); | |
57 | fprintf_filtered (stream, "\n"); | |
58 | } | |
59 | ||
c906108c SS |
60 | /* LEVEL is the depth to indent lines by. */ |
61 | ||
62 | void | |
25b524e8 | 63 | f_print_type (struct type *type, const char *varstring, struct ui_file *stream, |
79d43c61 | 64 | int show, int level, const struct type_print_options *flags) |
c906108c | 65 | { |
52f0bd74 | 66 | enum type_code code; |
c906108c SS |
67 | |
68 | f_type_print_base (type, stream, show, level); | |
69 | code = TYPE_CODE (type); | |
70 | if ((varstring != NULL && *varstring != '\0') | |
f1fdc960 AB |
71 | /* Need a space if going to print stars or brackets; but not if we |
72 | will print just a type name. */ | |
73 | || ((show > 0 | |
74 | || TYPE_NAME (type) == 0) | |
75 | && (code == TYPE_CODE_FUNC | |
905e0470 PM |
76 | || code == TYPE_CODE_METHOD |
77 | || code == TYPE_CODE_ARRAY | |
f1fdc960 AB |
78 | || ((code == TYPE_CODE_PTR |
79 | || code == TYPE_CODE_REF) | |
80 | && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_FUNC | |
81 | || (TYPE_CODE (TYPE_TARGET_TYPE (type)) | |
82 | == TYPE_CODE_METHOD) | |
83 | || (TYPE_CODE (TYPE_TARGET_TYPE (type)) | |
84 | == TYPE_CODE_ARRAY)))))) | |
c906108c SS |
85 | fputs_filtered (" ", stream); |
86 | f_type_print_varspec_prefix (type, stream, show, 0); | |
87 | ||
a7dfd010 MD |
88 | if (varstring != NULL) |
89 | { | |
2123df0e YQ |
90 | int demangled_args; |
91 | ||
a7dfd010 | 92 | fputs_filtered (varstring, stream); |
c906108c | 93 | |
a7dfd010 | 94 | /* For demangled function names, we have the arglist as part of the name, |
0963b4bd | 95 | so don't print an additional pair of ()'s. */ |
c906108c | 96 | |
2123df0e YQ |
97 | demangled_args = (*varstring != '\0' |
98 | && varstring[strlen (varstring) - 1] == ')'); | |
584a927c | 99 | f_type_print_varspec_suffix (type, stream, show, 0, demangled_args, 0, false); |
a7dfd010 | 100 | } |
c906108c SS |
101 | } |
102 | ||
103 | /* Print any asterisks or open-parentheses needed before the | |
104 | variable name (to describe its type). | |
105 | ||
106 | On outermost call, pass 0 for PASSED_A_PTR. | |
107 | On outermost call, SHOW > 0 means should ignore | |
108 | any typename for TYPE and show its details. | |
109 | SHOW is always zero on recursive calls. */ | |
110 | ||
111 | void | |
fba45db2 KB |
112 | f_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
113 | int show, int passed_a_ptr) | |
c906108c SS |
114 | { |
115 | if (type == 0) | |
116 | return; | |
117 | ||
118 | if (TYPE_NAME (type) && show <= 0) | |
119 | return; | |
120 | ||
121 | QUIT; | |
122 | ||
123 | switch (TYPE_CODE (type)) | |
124 | { | |
125 | case TYPE_CODE_PTR: | |
126 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
127 | break; | |
128 | ||
129 | case TYPE_CODE_FUNC: | |
130 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
131 | if (passed_a_ptr) | |
132 | fprintf_filtered (stream, "("); | |
133 | break; | |
134 | ||
135 | case TYPE_CODE_ARRAY: | |
136 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
137 | break; | |
138 | ||
139 | case TYPE_CODE_UNDEF: | |
140 | case TYPE_CODE_STRUCT: | |
141 | case TYPE_CODE_UNION: | |
142 | case TYPE_CODE_ENUM: | |
143 | case TYPE_CODE_INT: | |
144 | case TYPE_CODE_FLT: | |
145 | case TYPE_CODE_VOID: | |
146 | case TYPE_CODE_ERROR: | |
147 | case TYPE_CODE_CHAR: | |
148 | case TYPE_CODE_BOOL: | |
149 | case TYPE_CODE_SET: | |
150 | case TYPE_CODE_RANGE: | |
151 | case TYPE_CODE_STRING: | |
c906108c | 152 | case TYPE_CODE_METHOD: |
c906108c SS |
153 | case TYPE_CODE_REF: |
154 | case TYPE_CODE_COMPLEX: | |
155 | case TYPE_CODE_TYPEDEF: | |
156 | /* These types need no prefix. They are listed here so that | |
c5aa993b | 157 | gcc -Wall will reveal any types that haven't been handled. */ |
c906108c SS |
158 | break; |
159 | } | |
160 | } | |
161 | ||
c906108c SS |
162 | /* Print any array sizes, function arguments or close parentheses |
163 | needed after the variable name (to describe its type). | |
584a927c AB |
164 | Args work like c_type_print_varspec_prefix. |
165 | ||
166 | PRINT_RANK_ONLY is true when TYPE is an array which should be printed | |
167 | without the upper and lower bounds being specified, this will occur | |
168 | when the array is not allocated or not associated and so there are no | |
169 | known upper or lower bounds. */ | |
c906108c SS |
170 | |
171 | static void | |
fba45db2 | 172 | f_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
0311118f | 173 | int show, int passed_a_ptr, int demangled_args, |
584a927c | 174 | int arrayprint_recurse_level, bool print_rank_only) |
c906108c | 175 | { |
0311118f JK |
176 | /* No static variables are permitted as an error call may occur during |
177 | execution of this function. */ | |
c906108c SS |
178 | |
179 | if (type == 0) | |
180 | return; | |
181 | ||
182 | if (TYPE_NAME (type) && show <= 0) | |
183 | return; | |
184 | ||
185 | QUIT; | |
186 | ||
187 | switch (TYPE_CODE (type)) | |
188 | { | |
189 | case TYPE_CODE_ARRAY: | |
190 | arrayprint_recurse_level++; | |
191 | ||
192 | if (arrayprint_recurse_level == 1) | |
c5aa993b | 193 | fprintf_filtered (stream, "("); |
c906108c | 194 | |
3f2f83dd | 195 | if (type_not_associated (type)) |
584a927c | 196 | print_rank_only = true; |
3f2f83dd | 197 | else if (type_not_allocated (type)) |
584a927c AB |
198 | print_rank_only = true; |
199 | else if ((TYPE_ASSOCIATED_PROP (type) | |
200 | && PROP_CONST != TYPE_DYN_PROP_KIND (TYPE_ASSOCIATED_PROP (type))) | |
201 | || (TYPE_ALLOCATED_PROP (type) | |
202 | && PROP_CONST != TYPE_DYN_PROP_KIND (TYPE_ALLOCATED_PROP (type))) | |
203 | || (TYPE_DATA_LOCATION (type) | |
204 | && PROP_CONST != TYPE_DYN_PROP_KIND (TYPE_DATA_LOCATION (type)))) | |
205 | { | |
206 | /* This case exist when we ptype a typename which has the dynamic | |
207 | properties but cannot be resolved as there is no object. */ | |
208 | print_rank_only = true; | |
209 | } | |
3f2f83dd | 210 | |
584a927c AB |
211 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY) |
212 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
213 | 0, 0, arrayprint_recurse_level, | |
214 | print_rank_only); | |
2880242d | 215 | |
584a927c AB |
216 | if (print_rank_only) |
217 | fprintf_filtered (stream, ":"); | |
218 | else | |
219 | { | |
220 | LONGEST lower_bound = f77_get_lowerbound (type); | |
221 | if (lower_bound != 1) /* Not the default. */ | |
2880242d | 222 | fprintf_filtered (stream, "%s:", plongest (lower_bound)); |
3f2f83dd | 223 | |
584a927c AB |
224 | /* Make sure that, if we have an assumed size array, we |
225 | print out a warning and print the upperbound as '*'. */ | |
3f2f83dd | 226 | |
584a927c AB |
227 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
228 | fprintf_filtered (stream, "*"); | |
229 | else | |
230 | { | |
231 | LONGEST upper_bound = f77_get_upperbound (type); | |
2880242d KS |
232 | |
233 | fputs_filtered (plongest (upper_bound), stream); | |
584a927c AB |
234 | } |
235 | } | |
236 | ||
237 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY) | |
238 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
239 | 0, 0, arrayprint_recurse_level, | |
240 | print_rank_only); | |
3f2f83dd | 241 | |
c906108c SS |
242 | if (arrayprint_recurse_level == 1) |
243 | fprintf_filtered (stream, ")"); | |
244 | else | |
c5aa993b | 245 | fprintf_filtered (stream, ","); |
c906108c SS |
246 | arrayprint_recurse_level--; |
247 | break; | |
248 | ||
249 | case TYPE_CODE_PTR: | |
250 | case TYPE_CODE_REF: | |
0311118f | 251 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0, |
584a927c | 252 | arrayprint_recurse_level, false); |
f1fdc960 | 253 | fprintf_filtered (stream, " )"); |
c906108c SS |
254 | break; |
255 | ||
256 | case TYPE_CODE_FUNC: | |
bf7a4de1 AB |
257 | { |
258 | int i, nfields = TYPE_NFIELDS (type); | |
c906108c | 259 | |
bf7a4de1 | 260 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
584a927c AB |
261 | passed_a_ptr, 0, |
262 | arrayprint_recurse_level, false); | |
bf7a4de1 | 263 | if (passed_a_ptr) |
f1fdc960 | 264 | fprintf_filtered (stream, ") "); |
bf7a4de1 AB |
265 | fprintf_filtered (stream, "("); |
266 | if (nfields == 0 && TYPE_PROTOTYPED (type)) | |
267 | f_print_type (builtin_f_type (get_type_arch (type))->builtin_void, | |
268 | "", stream, -1, 0, 0); | |
269 | else | |
270 | for (i = 0; i < nfields; i++) | |
271 | { | |
272 | if (i > 0) | |
273 | { | |
274 | fputs_filtered (", ", stream); | |
275 | wrap_here (" "); | |
276 | } | |
277 | f_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0, 0); | |
278 | } | |
279 | fprintf_filtered (stream, ")"); | |
280 | } | |
c906108c SS |
281 | break; |
282 | ||
283 | case TYPE_CODE_UNDEF: | |
284 | case TYPE_CODE_STRUCT: | |
285 | case TYPE_CODE_UNION: | |
286 | case TYPE_CODE_ENUM: | |
287 | case TYPE_CODE_INT: | |
288 | case TYPE_CODE_FLT: | |
289 | case TYPE_CODE_VOID: | |
290 | case TYPE_CODE_ERROR: | |
291 | case TYPE_CODE_CHAR: | |
292 | case TYPE_CODE_BOOL: | |
293 | case TYPE_CODE_SET: | |
294 | case TYPE_CODE_RANGE: | |
295 | case TYPE_CODE_STRING: | |
c906108c | 296 | case TYPE_CODE_METHOD: |
c906108c SS |
297 | case TYPE_CODE_COMPLEX: |
298 | case TYPE_CODE_TYPEDEF: | |
299 | /* These types do not need a suffix. They are listed so that | |
c5aa993b | 300 | gcc -Wall will report types that may not have been considered. */ |
c906108c SS |
301 | break; |
302 | } | |
303 | } | |
304 | ||
c906108c SS |
305 | /* Print the name of the type (or the ultimate pointer target, |
306 | function value or array element), or the description of a | |
307 | structure or union. | |
308 | ||
309 | SHOW nonzero means don't print this type as just its name; | |
310 | show its real definition even if it has a name. | |
311 | SHOW zero means print just typename or struct tag if there is one | |
312 | SHOW negative means abbreviate structure elements. | |
313 | SHOW is decremented for printing of structure elements. | |
314 | ||
315 | LEVEL is the depth to indent by. | |
316 | We increase it for some recursive calls. */ | |
317 | ||
318 | void | |
fba45db2 KB |
319 | f_type_print_base (struct type *type, struct ui_file *stream, int show, |
320 | int level) | |
c906108c | 321 | { |
2a5e440c WZ |
322 | int index; |
323 | ||
c906108c SS |
324 | QUIT; |
325 | ||
326 | wrap_here (" "); | |
327 | if (type == NULL) | |
328 | { | |
7f6aba03 | 329 | fputs_styled ("<type unknown>", metadata_style.style (), stream); |
c906108c SS |
330 | return; |
331 | } | |
332 | ||
333 | /* When SHOW is zero or less, and there is a valid type name, then always | |
0963b4bd | 334 | just print the type name directly from the type. */ |
c906108c SS |
335 | |
336 | if ((show <= 0) && (TYPE_NAME (type) != NULL)) | |
337 | { | |
e86ca25f TT |
338 | const char *prefix = ""; |
339 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
340 | prefix = "Type, C_Union :: "; | |
341 | else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) | |
342 | prefix = "Type "; | |
343 | fprintfi_filtered (level, stream, "%s%s", prefix, TYPE_NAME (type)); | |
c906108c SS |
344 | return; |
345 | } | |
346 | ||
347 | if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF) | |
f168693b | 348 | type = check_typedef (type); |
c906108c SS |
349 | |
350 | switch (TYPE_CODE (type)) | |
351 | { | |
352 | case TYPE_CODE_TYPEDEF: | |
353 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
354 | break; | |
355 | ||
356 | case TYPE_CODE_ARRAY: | |
c906108c | 357 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
7022349d PA |
358 | break; |
359 | case TYPE_CODE_FUNC: | |
360 | if (TYPE_TARGET_TYPE (type) == NULL) | |
361 | type_print_unknown_return_type (stream); | |
362 | else | |
363 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
c906108c SS |
364 | break; |
365 | ||
c5aa993b | 366 | case TYPE_CODE_PTR: |
a5ad232b FP |
367 | fprintfi_filtered (level, stream, "PTR TO -> ( "); |
368 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
7e86466e RH |
369 | break; |
370 | ||
371 | case TYPE_CODE_REF: | |
a5ad232b FP |
372 | fprintfi_filtered (level, stream, "REF TO -> ( "); |
373 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
c906108c SS |
374 | break; |
375 | ||
376 | case TYPE_CODE_VOID: | |
bbe75b9d AB |
377 | { |
378 | gdbarch *gdbarch = get_type_arch (type); | |
379 | struct type *void_type = builtin_f_type (gdbarch)->builtin_void; | |
380 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (void_type)); | |
381 | } | |
c906108c SS |
382 | break; |
383 | ||
384 | case TYPE_CODE_UNDEF: | |
2a5e440c | 385 | fprintfi_filtered (level, stream, "struct <unknown>"); |
c906108c SS |
386 | break; |
387 | ||
388 | case TYPE_CODE_ERROR: | |
b00fdb78 | 389 | fprintfi_filtered (level, stream, "%s", TYPE_ERROR_NAME (type)); |
c906108c SS |
390 | break; |
391 | ||
392 | case TYPE_CODE_RANGE: | |
0963b4bd | 393 | /* This should not occur. */ |
2a5e440c | 394 | fprintfi_filtered (level, stream, "<range type>"); |
c906108c SS |
395 | break; |
396 | ||
397 | case TYPE_CODE_CHAR: | |
c906108c SS |
398 | case TYPE_CODE_INT: |
399 | /* There may be some character types that attempt to come | |
400 | through as TYPE_CODE_INT since dbxstclass.h is so | |
401 | C-oriented, we must change these to "character" from "char". */ | |
402 | ||
bde58177 | 403 | if (strcmp (TYPE_NAME (type), "char") == 0) |
2a5e440c | 404 | fprintfi_filtered (level, stream, "character"); |
c906108c SS |
405 | else |
406 | goto default_case; | |
407 | break; | |
408 | ||
c906108c | 409 | case TYPE_CODE_STRING: |
0963b4bd | 410 | /* Strings may have dynamic upperbounds (lengths) like arrays. */ |
c906108c | 411 | |
d78df370 | 412 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
2a5e440c | 413 | fprintfi_filtered (level, stream, "character*(*)"); |
c906108c SS |
414 | else |
415 | { | |
2880242d KS |
416 | LONGEST upper_bound = f77_get_upperbound (type); |
417 | ||
418 | fprintf_filtered (stream, "character*%s", pulongest (upper_bound)); | |
c906108c SS |
419 | } |
420 | break; | |
421 | ||
2a5e440c | 422 | case TYPE_CODE_STRUCT: |
9eec4d1e MD |
423 | case TYPE_CODE_UNION: |
424 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
425 | fprintfi_filtered (level, stream, "Type, C_Union :: "); | |
426 | else | |
427 | fprintfi_filtered (level, stream, "Type "); | |
e86ca25f | 428 | fputs_filtered (TYPE_NAME (type), stream); |
9b2db1fd BH |
429 | /* According to the definition, |
430 | we only print structure elements in case show > 0. */ | |
431 | if (show > 0) | |
2a5e440c | 432 | { |
2a5e440c | 433 | fputs_filtered ("\n", stream); |
9b2db1fd BH |
434 | for (index = 0; index < TYPE_NFIELDS (type); index++) |
435 | { | |
e188eb36 BH |
436 | f_type_print_base (TYPE_FIELD_TYPE (type, index), stream, |
437 | show - 1, level + 4); | |
9b2db1fd BH |
438 | fputs_filtered (" :: ", stream); |
439 | fputs_filtered (TYPE_FIELD_NAME (type, index), stream); | |
440 | f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index), | |
584a927c | 441 | stream, show - 1, 0, 0, 0, false); |
9b2db1fd BH |
442 | fputs_filtered ("\n", stream); |
443 | } | |
444 | fprintfi_filtered (level, stream, "End Type "); | |
e86ca25f | 445 | fputs_filtered (TYPE_NAME (type), stream); |
9b2db1fd | 446 | } |
2a5e440c WZ |
447 | break; |
448 | ||
f55ee35c | 449 | case TYPE_CODE_MODULE: |
e86ca25f | 450 | fprintfi_filtered (level, stream, "module %s", TYPE_NAME (type)); |
f55ee35c JK |
451 | break; |
452 | ||
c906108c SS |
453 | default_case: |
454 | default: | |
455 | /* Handle types not explicitly handled by the other cases, | |
c5aa993b JM |
456 | such as fundamental types. For these, just print whatever |
457 | the type name is, as recorded in the type itself. If there | |
0963b4bd | 458 | is no type name, then complain. */ |
c906108c | 459 | if (TYPE_NAME (type) != NULL) |
848359ac | 460 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (type)); |
c906108c | 461 | else |
8a3fe4f8 | 462 | error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type)); |
c906108c SS |
463 | break; |
464 | } | |
bc68014d AB |
465 | |
466 | if (TYPE_IS_ALLOCATABLE (type)) | |
467 | fprintf_filtered (stream, ", allocatable"); | |
c906108c | 468 | } |