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" | |
d55e5aa6 TT |
24 | |
25 | /* Local non-gdb includes. */ | |
c906108c | 26 | #include "bfd.h" |
c906108c | 27 | #include "expression.h" |
d55e5aa6 TT |
28 | #include "f-lang.h" |
29 | #include "gdb_obstack.h" | |
c906108c | 30 | #include "gdbcore.h" |
d55e5aa6 TT |
31 | #include "gdbtypes.h" |
32 | #include "symtab.h" | |
c906108c | 33 | #include "target.h" |
3f2f83dd | 34 | #include "typeprint.h" |
d55e5aa6 | 35 | #include "value.h" |
c906108c | 36 | |
0963b4bd | 37 | #if 0 /* Currently unused. */ |
d9fcf2fb | 38 | static void f_type_print_args (struct type *, struct ui_file *); |
c906108c SS |
39 | #endif |
40 | ||
0311118f | 41 | static void f_type_print_varspec_suffix (struct type *, struct ui_file *, int, |
d9fcf2fb | 42 | int, int, int); |
c906108c | 43 | |
d9fcf2fb JM |
44 | void f_type_print_varspec_prefix (struct type *, struct ui_file *, |
45 | int, int); | |
c906108c | 46 | |
d9fcf2fb | 47 | void f_type_print_base (struct type *, struct ui_file *, int, int); |
c906108c | 48 | \f |
c5aa993b | 49 | |
c906108c SS |
50 | /* LEVEL is the depth to indent lines by. */ |
51 | ||
52 | void | |
25b524e8 | 53 | f_print_type (struct type *type, const char *varstring, struct ui_file *stream, |
79d43c61 | 54 | int show, int level, const struct type_print_options *flags) |
c906108c | 55 | { |
52f0bd74 | 56 | enum type_code code; |
c906108c | 57 | |
3f2f83dd KB |
58 | if (type_not_associated (type)) |
59 | { | |
60 | val_print_not_associated (stream); | |
61 | return; | |
62 | } | |
63 | ||
64 | if (type_not_allocated (type)) | |
65 | { | |
66 | val_print_not_allocated (stream); | |
67 | return; | |
68 | } | |
69 | ||
c906108c SS |
70 | f_type_print_base (type, stream, show, level); |
71 | code = TYPE_CODE (type); | |
72 | if ((varstring != NULL && *varstring != '\0') | |
c5aa993b JM |
73 | /* Need a space if going to print stars or brackets; |
74 | but not if we will print just a type name. */ | |
905e0470 PM |
75 | || ((show > 0 || TYPE_NAME (type) == 0) |
76 | && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | |
77 | || code == TYPE_CODE_METHOD | |
78 | || code == TYPE_CODE_ARRAY | |
79 | || code == TYPE_CODE_REF))) | |
c906108c SS |
80 | fputs_filtered (" ", stream); |
81 | f_type_print_varspec_prefix (type, stream, show, 0); | |
82 | ||
a7dfd010 MD |
83 | if (varstring != NULL) |
84 | { | |
2123df0e YQ |
85 | int demangled_args; |
86 | ||
a7dfd010 | 87 | fputs_filtered (varstring, stream); |
c906108c | 88 | |
a7dfd010 | 89 | /* For demangled function names, we have the arglist as part of the name, |
0963b4bd | 90 | so don't print an additional pair of ()'s. */ |
c906108c | 91 | |
2123df0e YQ |
92 | demangled_args = (*varstring != '\0' |
93 | && varstring[strlen (varstring) - 1] == ')'); | |
0311118f | 94 | f_type_print_varspec_suffix (type, stream, show, 0, demangled_args, 0); |
a7dfd010 | 95 | } |
c906108c SS |
96 | } |
97 | ||
98 | /* Print any asterisks or open-parentheses needed before the | |
99 | variable name (to describe its type). | |
100 | ||
101 | On outermost call, pass 0 for PASSED_A_PTR. | |
102 | On outermost call, SHOW > 0 means should ignore | |
103 | any typename for TYPE and show its details. | |
104 | SHOW is always zero on recursive calls. */ | |
105 | ||
106 | void | |
fba45db2 KB |
107 | f_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
108 | int show, int passed_a_ptr) | |
c906108c SS |
109 | { |
110 | if (type == 0) | |
111 | return; | |
112 | ||
113 | if (TYPE_NAME (type) && show <= 0) | |
114 | return; | |
115 | ||
116 | QUIT; | |
117 | ||
118 | switch (TYPE_CODE (type)) | |
119 | { | |
120 | case TYPE_CODE_PTR: | |
121 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
122 | break; | |
123 | ||
124 | case TYPE_CODE_FUNC: | |
125 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
126 | if (passed_a_ptr) | |
127 | fprintf_filtered (stream, "("); | |
128 | break; | |
129 | ||
130 | case TYPE_CODE_ARRAY: | |
131 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
132 | break; | |
133 | ||
134 | case TYPE_CODE_UNDEF: | |
135 | case TYPE_CODE_STRUCT: | |
136 | case TYPE_CODE_UNION: | |
137 | case TYPE_CODE_ENUM: | |
138 | case TYPE_CODE_INT: | |
139 | case TYPE_CODE_FLT: | |
140 | case TYPE_CODE_VOID: | |
141 | case TYPE_CODE_ERROR: | |
142 | case TYPE_CODE_CHAR: | |
143 | case TYPE_CODE_BOOL: | |
144 | case TYPE_CODE_SET: | |
145 | case TYPE_CODE_RANGE: | |
146 | case TYPE_CODE_STRING: | |
c906108c | 147 | case TYPE_CODE_METHOD: |
c906108c SS |
148 | case TYPE_CODE_REF: |
149 | case TYPE_CODE_COMPLEX: | |
150 | case TYPE_CODE_TYPEDEF: | |
151 | /* These types need no prefix. They are listed here so that | |
c5aa993b | 152 | gcc -Wall will reveal any types that haven't been handled. */ |
c906108c SS |
153 | break; |
154 | } | |
155 | } | |
156 | ||
c906108c SS |
157 | /* Print any array sizes, function arguments or close parentheses |
158 | needed after the variable name (to describe its type). | |
159 | Args work like c_type_print_varspec_prefix. */ | |
160 | ||
161 | static void | |
fba45db2 | 162 | f_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
0311118f JK |
163 | int show, int passed_a_ptr, int demangled_args, |
164 | int arrayprint_recurse_level) | |
c906108c | 165 | { |
0311118f JK |
166 | /* No static variables are permitted as an error call may occur during |
167 | execution of this function. */ | |
c906108c SS |
168 | |
169 | if (type == 0) | |
170 | return; | |
171 | ||
172 | if (TYPE_NAME (type) && show <= 0) | |
173 | return; | |
174 | ||
175 | QUIT; | |
176 | ||
177 | switch (TYPE_CODE (type)) | |
178 | { | |
179 | case TYPE_CODE_ARRAY: | |
180 | arrayprint_recurse_level++; | |
181 | ||
182 | if (arrayprint_recurse_level == 1) | |
c5aa993b | 183 | fprintf_filtered (stream, "("); |
c906108c | 184 | |
3f2f83dd KB |
185 | if (type_not_associated (type)) |
186 | val_print_not_associated (stream); | |
187 | else if (type_not_allocated (type)) | |
188 | val_print_not_allocated (stream); | |
c5aa993b | 189 | else |
3f2f83dd KB |
190 | { |
191 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY) | |
192 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
193 | 0, 0, arrayprint_recurse_level); | |
194 | ||
2880242d KS |
195 | LONGEST lower_bound = f77_get_lowerbound (type); |
196 | ||
3f2f83dd | 197 | if (lower_bound != 1) /* Not the default. */ |
2880242d | 198 | fprintf_filtered (stream, "%s:", plongest (lower_bound)); |
3f2f83dd KB |
199 | |
200 | /* Make sure that, if we have an assumed size array, we | |
201 | print out a warning and print the upperbound as '*'. */ | |
202 | ||
203 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) | |
204 | fprintf_filtered (stream, "*"); | |
205 | else | |
206 | { | |
2880242d KS |
207 | LONGEST upper_bound = f77_get_upperbound (type); |
208 | ||
209 | fputs_filtered (plongest (upper_bound), stream); | |
3f2f83dd KB |
210 | } |
211 | ||
212 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY) | |
213 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
214 | 0, 0, arrayprint_recurse_level); | |
215 | } | |
c906108c SS |
216 | if (arrayprint_recurse_level == 1) |
217 | fprintf_filtered (stream, ")"); | |
218 | else | |
c5aa993b | 219 | fprintf_filtered (stream, ","); |
c906108c SS |
220 | arrayprint_recurse_level--; |
221 | break; | |
222 | ||
223 | case TYPE_CODE_PTR: | |
224 | case TYPE_CODE_REF: | |
0311118f JK |
225 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0, |
226 | arrayprint_recurse_level); | |
c5aa993b | 227 | fprintf_filtered (stream, ")"); |
c906108c SS |
228 | break; |
229 | ||
230 | case TYPE_CODE_FUNC: | |
231 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
0311118f | 232 | passed_a_ptr, 0, arrayprint_recurse_level); |
c906108c SS |
233 | if (passed_a_ptr) |
234 | fprintf_filtered (stream, ")"); | |
235 | ||
236 | fprintf_filtered (stream, "()"); | |
237 | break; | |
238 | ||
239 | case TYPE_CODE_UNDEF: | |
240 | case TYPE_CODE_STRUCT: | |
241 | case TYPE_CODE_UNION: | |
242 | case TYPE_CODE_ENUM: | |
243 | case TYPE_CODE_INT: | |
244 | case TYPE_CODE_FLT: | |
245 | case TYPE_CODE_VOID: | |
246 | case TYPE_CODE_ERROR: | |
247 | case TYPE_CODE_CHAR: | |
248 | case TYPE_CODE_BOOL: | |
249 | case TYPE_CODE_SET: | |
250 | case TYPE_CODE_RANGE: | |
251 | case TYPE_CODE_STRING: | |
c906108c | 252 | case TYPE_CODE_METHOD: |
c906108c SS |
253 | case TYPE_CODE_COMPLEX: |
254 | case TYPE_CODE_TYPEDEF: | |
255 | /* These types do not need a suffix. They are listed so that | |
c5aa993b | 256 | gcc -Wall will report types that may not have been considered. */ |
c906108c SS |
257 | break; |
258 | } | |
259 | } | |
260 | ||
c906108c SS |
261 | /* Print the name of the type (or the ultimate pointer target, |
262 | function value or array element), or the description of a | |
263 | structure or union. | |
264 | ||
265 | SHOW nonzero means don't print this type as just its name; | |
266 | show its real definition even if it has a name. | |
267 | SHOW zero means print just typename or struct tag if there is one | |
268 | SHOW negative means abbreviate structure elements. | |
269 | SHOW is decremented for printing of structure elements. | |
270 | ||
271 | LEVEL is the depth to indent by. | |
272 | We increase it for some recursive calls. */ | |
273 | ||
274 | void | |
fba45db2 KB |
275 | f_type_print_base (struct type *type, struct ui_file *stream, int show, |
276 | int level) | |
c906108c | 277 | { |
2a5e440c WZ |
278 | int index; |
279 | ||
c906108c SS |
280 | QUIT; |
281 | ||
282 | wrap_here (" "); | |
283 | if (type == NULL) | |
284 | { | |
285 | fputs_filtered ("<type unknown>", stream); | |
286 | return; | |
287 | } | |
288 | ||
289 | /* When SHOW is zero or less, and there is a valid type name, then always | |
0963b4bd | 290 | just print the type name directly from the type. */ |
c906108c SS |
291 | |
292 | if ((show <= 0) && (TYPE_NAME (type) != NULL)) | |
293 | { | |
e86ca25f TT |
294 | const char *prefix = ""; |
295 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
296 | prefix = "Type, C_Union :: "; | |
297 | else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) | |
298 | prefix = "Type "; | |
299 | fprintfi_filtered (level, stream, "%s%s", prefix, TYPE_NAME (type)); | |
c906108c SS |
300 | return; |
301 | } | |
302 | ||
303 | if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF) | |
f168693b | 304 | type = check_typedef (type); |
c906108c SS |
305 | |
306 | switch (TYPE_CODE (type)) | |
307 | { | |
308 | case TYPE_CODE_TYPEDEF: | |
309 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
310 | break; | |
311 | ||
312 | case TYPE_CODE_ARRAY: | |
c906108c | 313 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
7022349d PA |
314 | break; |
315 | case TYPE_CODE_FUNC: | |
316 | if (TYPE_TARGET_TYPE (type) == NULL) | |
317 | type_print_unknown_return_type (stream); | |
318 | else | |
319 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
c906108c SS |
320 | break; |
321 | ||
c5aa993b | 322 | case TYPE_CODE_PTR: |
a5ad232b FP |
323 | fprintfi_filtered (level, stream, "PTR TO -> ( "); |
324 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
7e86466e RH |
325 | break; |
326 | ||
327 | case TYPE_CODE_REF: | |
a5ad232b FP |
328 | fprintfi_filtered (level, stream, "REF TO -> ( "); |
329 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
c906108c SS |
330 | break; |
331 | ||
332 | case TYPE_CODE_VOID: | |
2a5e440c | 333 | fprintfi_filtered (level, stream, "VOID"); |
c906108c SS |
334 | break; |
335 | ||
336 | case TYPE_CODE_UNDEF: | |
2a5e440c | 337 | fprintfi_filtered (level, stream, "struct <unknown>"); |
c906108c SS |
338 | break; |
339 | ||
340 | case TYPE_CODE_ERROR: | |
b00fdb78 | 341 | fprintfi_filtered (level, stream, "%s", TYPE_ERROR_NAME (type)); |
c906108c SS |
342 | break; |
343 | ||
344 | case TYPE_CODE_RANGE: | |
0963b4bd | 345 | /* This should not occur. */ |
2a5e440c | 346 | fprintfi_filtered (level, stream, "<range type>"); |
c906108c SS |
347 | break; |
348 | ||
349 | case TYPE_CODE_CHAR: | |
c906108c SS |
350 | case TYPE_CODE_INT: |
351 | /* There may be some character types that attempt to come | |
352 | through as TYPE_CODE_INT since dbxstclass.h is so | |
353 | C-oriented, we must change these to "character" from "char". */ | |
354 | ||
bde58177 | 355 | if (strcmp (TYPE_NAME (type), "char") == 0) |
2a5e440c | 356 | fprintfi_filtered (level, stream, "character"); |
c906108c SS |
357 | else |
358 | goto default_case; | |
359 | break; | |
360 | ||
c906108c | 361 | case TYPE_CODE_STRING: |
0963b4bd | 362 | /* Strings may have dynamic upperbounds (lengths) like arrays. */ |
c906108c | 363 | |
d78df370 | 364 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
2a5e440c | 365 | fprintfi_filtered (level, stream, "character*(*)"); |
c906108c SS |
366 | else |
367 | { | |
2880242d KS |
368 | LONGEST upper_bound = f77_get_upperbound (type); |
369 | ||
370 | fprintf_filtered (stream, "character*%s", pulongest (upper_bound)); | |
c906108c SS |
371 | } |
372 | break; | |
373 | ||
2a5e440c | 374 | case TYPE_CODE_STRUCT: |
9eec4d1e MD |
375 | case TYPE_CODE_UNION: |
376 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
377 | fprintfi_filtered (level, stream, "Type, C_Union :: "); | |
378 | else | |
379 | fprintfi_filtered (level, stream, "Type "); | |
e86ca25f | 380 | fputs_filtered (TYPE_NAME (type), stream); |
9b2db1fd BH |
381 | /* According to the definition, |
382 | we only print structure elements in case show > 0. */ | |
383 | if (show > 0) | |
2a5e440c | 384 | { |
2a5e440c | 385 | fputs_filtered ("\n", stream); |
9b2db1fd BH |
386 | for (index = 0; index < TYPE_NFIELDS (type); index++) |
387 | { | |
e188eb36 BH |
388 | f_type_print_base (TYPE_FIELD_TYPE (type, index), stream, |
389 | show - 1, level + 4); | |
9b2db1fd BH |
390 | fputs_filtered (" :: ", stream); |
391 | fputs_filtered (TYPE_FIELD_NAME (type, index), stream); | |
392 | f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index), | |
e188eb36 | 393 | stream, show - 1, 0, 0, 0); |
9b2db1fd BH |
394 | fputs_filtered ("\n", stream); |
395 | } | |
396 | fprintfi_filtered (level, stream, "End Type "); | |
e86ca25f | 397 | fputs_filtered (TYPE_NAME (type), stream); |
9b2db1fd | 398 | } |
2a5e440c WZ |
399 | break; |
400 | ||
f55ee35c | 401 | case TYPE_CODE_MODULE: |
e86ca25f | 402 | fprintfi_filtered (level, stream, "module %s", TYPE_NAME (type)); |
f55ee35c JK |
403 | break; |
404 | ||
c906108c SS |
405 | default_case: |
406 | default: | |
407 | /* Handle types not explicitly handled by the other cases, | |
c5aa993b JM |
408 | such as fundamental types. For these, just print whatever |
409 | the type name is, as recorded in the type itself. If there | |
0963b4bd | 410 | is no type name, then complain. */ |
c906108c | 411 | if (TYPE_NAME (type) != NULL) |
848359ac | 412 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (type)); |
c906108c | 413 | else |
8a3fe4f8 | 414 | error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type)); |
c906108c SS |
415 | break; |
416 | } | |
417 | } |