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, |
d9fcf2fb | 40 | int, int, int); |
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 | 55 | |
3f2f83dd KB |
56 | if (type_not_associated (type)) |
57 | { | |
58 | val_print_not_associated (stream); | |
59 | return; | |
60 | } | |
61 | ||
62 | if (type_not_allocated (type)) | |
63 | { | |
64 | val_print_not_allocated (stream); | |
65 | return; | |
66 | } | |
67 | ||
c906108c SS |
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] == ')'); | |
0311118f | 99 | f_type_print_varspec_suffix (type, stream, show, 0, demangled_args, 0); |
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). | |
164 | Args work like c_type_print_varspec_prefix. */ | |
165 | ||
166 | static void | |
fba45db2 | 167 | f_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
0311118f JK |
168 | int show, int passed_a_ptr, int demangled_args, |
169 | int arrayprint_recurse_level) | |
c906108c | 170 | { |
0311118f JK |
171 | /* No static variables are permitted as an error call may occur during |
172 | execution of this function. */ | |
c906108c SS |
173 | |
174 | if (type == 0) | |
175 | return; | |
176 | ||
177 | if (TYPE_NAME (type) && show <= 0) | |
178 | return; | |
179 | ||
180 | QUIT; | |
181 | ||
182 | switch (TYPE_CODE (type)) | |
183 | { | |
184 | case TYPE_CODE_ARRAY: | |
185 | arrayprint_recurse_level++; | |
186 | ||
187 | if (arrayprint_recurse_level == 1) | |
c5aa993b | 188 | fprintf_filtered (stream, "("); |
c906108c | 189 | |
3f2f83dd KB |
190 | if (type_not_associated (type)) |
191 | val_print_not_associated (stream); | |
192 | else if (type_not_allocated (type)) | |
193 | val_print_not_allocated (stream); | |
c5aa993b | 194 | else |
3f2f83dd KB |
195 | { |
196 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY) | |
197 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
198 | 0, 0, arrayprint_recurse_level); | |
199 | ||
2880242d KS |
200 | LONGEST lower_bound = f77_get_lowerbound (type); |
201 | ||
3f2f83dd | 202 | if (lower_bound != 1) /* Not the default. */ |
2880242d | 203 | fprintf_filtered (stream, "%s:", plongest (lower_bound)); |
3f2f83dd KB |
204 | |
205 | /* Make sure that, if we have an assumed size array, we | |
206 | print out a warning and print the upperbound as '*'. */ | |
207 | ||
208 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) | |
209 | fprintf_filtered (stream, "*"); | |
210 | else | |
211 | { | |
2880242d KS |
212 | LONGEST upper_bound = f77_get_upperbound (type); |
213 | ||
214 | fputs_filtered (plongest (upper_bound), stream); | |
3f2f83dd KB |
215 | } |
216 | ||
217 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY) | |
218 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
219 | 0, 0, arrayprint_recurse_level); | |
220 | } | |
c906108c SS |
221 | if (arrayprint_recurse_level == 1) |
222 | fprintf_filtered (stream, ")"); | |
223 | else | |
c5aa993b | 224 | fprintf_filtered (stream, ","); |
c906108c SS |
225 | arrayprint_recurse_level--; |
226 | break; | |
227 | ||
228 | case TYPE_CODE_PTR: | |
229 | case TYPE_CODE_REF: | |
0311118f JK |
230 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0, |
231 | arrayprint_recurse_level); | |
f1fdc960 | 232 | fprintf_filtered (stream, " )"); |
c906108c SS |
233 | break; |
234 | ||
235 | case TYPE_CODE_FUNC: | |
bf7a4de1 AB |
236 | { |
237 | int i, nfields = TYPE_NFIELDS (type); | |
c906108c | 238 | |
bf7a4de1 AB |
239 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
240 | passed_a_ptr, 0, arrayprint_recurse_level); | |
241 | if (passed_a_ptr) | |
f1fdc960 | 242 | fprintf_filtered (stream, ") "); |
bf7a4de1 AB |
243 | fprintf_filtered (stream, "("); |
244 | if (nfields == 0 && TYPE_PROTOTYPED (type)) | |
245 | f_print_type (builtin_f_type (get_type_arch (type))->builtin_void, | |
246 | "", stream, -1, 0, 0); | |
247 | else | |
248 | for (i = 0; i < nfields; i++) | |
249 | { | |
250 | if (i > 0) | |
251 | { | |
252 | fputs_filtered (", ", stream); | |
253 | wrap_here (" "); | |
254 | } | |
255 | f_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0, 0); | |
256 | } | |
257 | fprintf_filtered (stream, ")"); | |
258 | } | |
c906108c SS |
259 | break; |
260 | ||
261 | case TYPE_CODE_UNDEF: | |
262 | case TYPE_CODE_STRUCT: | |
263 | case TYPE_CODE_UNION: | |
264 | case TYPE_CODE_ENUM: | |
265 | case TYPE_CODE_INT: | |
266 | case TYPE_CODE_FLT: | |
267 | case TYPE_CODE_VOID: | |
268 | case TYPE_CODE_ERROR: | |
269 | case TYPE_CODE_CHAR: | |
270 | case TYPE_CODE_BOOL: | |
271 | case TYPE_CODE_SET: | |
272 | case TYPE_CODE_RANGE: | |
273 | case TYPE_CODE_STRING: | |
c906108c | 274 | case TYPE_CODE_METHOD: |
c906108c SS |
275 | case TYPE_CODE_COMPLEX: |
276 | case TYPE_CODE_TYPEDEF: | |
277 | /* These types do not need a suffix. They are listed so that | |
c5aa993b | 278 | gcc -Wall will report types that may not have been considered. */ |
c906108c SS |
279 | break; |
280 | } | |
281 | } | |
282 | ||
c906108c SS |
283 | /* Print the name of the type (or the ultimate pointer target, |
284 | function value or array element), or the description of a | |
285 | structure or union. | |
286 | ||
287 | SHOW nonzero means don't print this type as just its name; | |
288 | show its real definition even if it has a name. | |
289 | SHOW zero means print just typename or struct tag if there is one | |
290 | SHOW negative means abbreviate structure elements. | |
291 | SHOW is decremented for printing of structure elements. | |
292 | ||
293 | LEVEL is the depth to indent by. | |
294 | We increase it for some recursive calls. */ | |
295 | ||
296 | void | |
fba45db2 KB |
297 | f_type_print_base (struct type *type, struct ui_file *stream, int show, |
298 | int level) | |
c906108c | 299 | { |
2a5e440c WZ |
300 | int index; |
301 | ||
c906108c SS |
302 | QUIT; |
303 | ||
304 | wrap_here (" "); | |
305 | if (type == NULL) | |
306 | { | |
307 | fputs_filtered ("<type unknown>", stream); | |
308 | return; | |
309 | } | |
310 | ||
311 | /* When SHOW is zero or less, and there is a valid type name, then always | |
0963b4bd | 312 | just print the type name directly from the type. */ |
c906108c SS |
313 | |
314 | if ((show <= 0) && (TYPE_NAME (type) != NULL)) | |
315 | { | |
e86ca25f TT |
316 | const char *prefix = ""; |
317 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
318 | prefix = "Type, C_Union :: "; | |
319 | else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) | |
320 | prefix = "Type "; | |
321 | fprintfi_filtered (level, stream, "%s%s", prefix, TYPE_NAME (type)); | |
c906108c SS |
322 | return; |
323 | } | |
324 | ||
325 | if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF) | |
f168693b | 326 | type = check_typedef (type); |
c906108c SS |
327 | |
328 | switch (TYPE_CODE (type)) | |
329 | { | |
330 | case TYPE_CODE_TYPEDEF: | |
331 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
332 | break; | |
333 | ||
334 | case TYPE_CODE_ARRAY: | |
c906108c | 335 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
7022349d PA |
336 | break; |
337 | case TYPE_CODE_FUNC: | |
338 | if (TYPE_TARGET_TYPE (type) == NULL) | |
339 | type_print_unknown_return_type (stream); | |
340 | else | |
341 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
c906108c SS |
342 | break; |
343 | ||
c5aa993b | 344 | case TYPE_CODE_PTR: |
a5ad232b FP |
345 | fprintfi_filtered (level, stream, "PTR TO -> ( "); |
346 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
7e86466e RH |
347 | break; |
348 | ||
349 | case TYPE_CODE_REF: | |
a5ad232b FP |
350 | fprintfi_filtered (level, stream, "REF TO -> ( "); |
351 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
c906108c SS |
352 | break; |
353 | ||
354 | case TYPE_CODE_VOID: | |
bbe75b9d AB |
355 | { |
356 | gdbarch *gdbarch = get_type_arch (type); | |
357 | struct type *void_type = builtin_f_type (gdbarch)->builtin_void; | |
358 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (void_type)); | |
359 | } | |
c906108c SS |
360 | break; |
361 | ||
362 | case TYPE_CODE_UNDEF: | |
2a5e440c | 363 | fprintfi_filtered (level, stream, "struct <unknown>"); |
c906108c SS |
364 | break; |
365 | ||
366 | case TYPE_CODE_ERROR: | |
b00fdb78 | 367 | fprintfi_filtered (level, stream, "%s", TYPE_ERROR_NAME (type)); |
c906108c SS |
368 | break; |
369 | ||
370 | case TYPE_CODE_RANGE: | |
0963b4bd | 371 | /* This should not occur. */ |
2a5e440c | 372 | fprintfi_filtered (level, stream, "<range type>"); |
c906108c SS |
373 | break; |
374 | ||
375 | case TYPE_CODE_CHAR: | |
c906108c SS |
376 | case TYPE_CODE_INT: |
377 | /* There may be some character types that attempt to come | |
378 | through as TYPE_CODE_INT since dbxstclass.h is so | |
379 | C-oriented, we must change these to "character" from "char". */ | |
380 | ||
bde58177 | 381 | if (strcmp (TYPE_NAME (type), "char") == 0) |
2a5e440c | 382 | fprintfi_filtered (level, stream, "character"); |
c906108c SS |
383 | else |
384 | goto default_case; | |
385 | break; | |
386 | ||
c906108c | 387 | case TYPE_CODE_STRING: |
0963b4bd | 388 | /* Strings may have dynamic upperbounds (lengths) like arrays. */ |
c906108c | 389 | |
d78df370 | 390 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
2a5e440c | 391 | fprintfi_filtered (level, stream, "character*(*)"); |
c906108c SS |
392 | else |
393 | { | |
2880242d KS |
394 | LONGEST upper_bound = f77_get_upperbound (type); |
395 | ||
396 | fprintf_filtered (stream, "character*%s", pulongest (upper_bound)); | |
c906108c SS |
397 | } |
398 | break; | |
399 | ||
2a5e440c | 400 | case TYPE_CODE_STRUCT: |
9eec4d1e MD |
401 | case TYPE_CODE_UNION: |
402 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
403 | fprintfi_filtered (level, stream, "Type, C_Union :: "); | |
404 | else | |
405 | fprintfi_filtered (level, stream, "Type "); | |
e86ca25f | 406 | fputs_filtered (TYPE_NAME (type), stream); |
9b2db1fd BH |
407 | /* According to the definition, |
408 | we only print structure elements in case show > 0. */ | |
409 | if (show > 0) | |
2a5e440c | 410 | { |
2a5e440c | 411 | fputs_filtered ("\n", stream); |
9b2db1fd BH |
412 | for (index = 0; index < TYPE_NFIELDS (type); index++) |
413 | { | |
e188eb36 BH |
414 | f_type_print_base (TYPE_FIELD_TYPE (type, index), stream, |
415 | show - 1, level + 4); | |
9b2db1fd BH |
416 | fputs_filtered (" :: ", stream); |
417 | fputs_filtered (TYPE_FIELD_NAME (type, index), stream); | |
418 | f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index), | |
e188eb36 | 419 | stream, show - 1, 0, 0, 0); |
9b2db1fd BH |
420 | fputs_filtered ("\n", stream); |
421 | } | |
422 | fprintfi_filtered (level, stream, "End Type "); | |
e86ca25f | 423 | fputs_filtered (TYPE_NAME (type), stream); |
9b2db1fd | 424 | } |
2a5e440c WZ |
425 | break; |
426 | ||
f55ee35c | 427 | case TYPE_CODE_MODULE: |
e86ca25f | 428 | fprintfi_filtered (level, stream, "module %s", TYPE_NAME (type)); |
f55ee35c JK |
429 | break; |
430 | ||
c906108c SS |
431 | default_case: |
432 | default: | |
433 | /* Handle types not explicitly handled by the other cases, | |
c5aa993b JM |
434 | such as fundamental types. For these, just print whatever |
435 | the type name is, as recorded in the type itself. If there | |
0963b4bd | 436 | is no type name, then complain. */ |
c906108c | 437 | if (TYPE_NAME (type) != NULL) |
848359ac | 438 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (type)); |
c906108c | 439 | else |
8a3fe4f8 | 440 | error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type)); |
c906108c SS |
441 | break; |
442 | } | |
bc68014d AB |
443 | |
444 | if (TYPE_IS_ALLOCATABLE (type)) | |
445 | fprintf_filtered (stream, ", allocatable"); | |
c906108c | 446 | } |