Commit | Line | Data |
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c906108c | 1 | /* Support for printing Fortran types for GDB, the GNU debugger. |
1bac305b | 2 | |
61baf725 | 3 | Copyright (C) 1986-2017 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" | |
04ea0df1 | 24 | #include "gdb_obstack.h" |
c906108c SS |
25 | #include "bfd.h" |
26 | #include "symtab.h" | |
27 | #include "gdbtypes.h" | |
28 | #include "expression.h" | |
29 | #include "value.h" | |
30 | #include "gdbcore.h" | |
31 | #include "target.h" | |
c906108c | 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') | |
c5aa993b JM |
71 | /* Need a space if going to print stars or brackets; |
72 | but not if we will print just a type name. */ | |
905e0470 PM |
73 | || ((show > 0 || TYPE_NAME (type) == 0) |
74 | && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | |
75 | || code == TYPE_CODE_METHOD | |
76 | || code == TYPE_CODE_ARRAY | |
77 | || code == TYPE_CODE_REF))) | |
c906108c SS |
78 | fputs_filtered (" ", stream); |
79 | f_type_print_varspec_prefix (type, stream, show, 0); | |
80 | ||
a7dfd010 MD |
81 | if (varstring != NULL) |
82 | { | |
2123df0e YQ |
83 | int demangled_args; |
84 | ||
a7dfd010 | 85 | fputs_filtered (varstring, stream); |
c906108c | 86 | |
a7dfd010 | 87 | /* For demangled function names, we have the arglist as part of the name, |
0963b4bd | 88 | so don't print an additional pair of ()'s. */ |
c906108c | 89 | |
2123df0e YQ |
90 | demangled_args = (*varstring != '\0' |
91 | && varstring[strlen (varstring) - 1] == ')'); | |
0311118f | 92 | f_type_print_varspec_suffix (type, stream, show, 0, demangled_args, 0); |
a7dfd010 | 93 | } |
c906108c SS |
94 | } |
95 | ||
96 | /* Print any asterisks or open-parentheses needed before the | |
97 | variable name (to describe its type). | |
98 | ||
99 | On outermost call, pass 0 for PASSED_A_PTR. | |
100 | On outermost call, SHOW > 0 means should ignore | |
101 | any typename for TYPE and show its details. | |
102 | SHOW is always zero on recursive calls. */ | |
103 | ||
104 | void | |
fba45db2 KB |
105 | f_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
106 | int show, int passed_a_ptr) | |
c906108c SS |
107 | { |
108 | if (type == 0) | |
109 | return; | |
110 | ||
111 | if (TYPE_NAME (type) && show <= 0) | |
112 | return; | |
113 | ||
114 | QUIT; | |
115 | ||
116 | switch (TYPE_CODE (type)) | |
117 | { | |
118 | case TYPE_CODE_PTR: | |
119 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
120 | break; | |
121 | ||
122 | case TYPE_CODE_FUNC: | |
123 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
124 | if (passed_a_ptr) | |
125 | fprintf_filtered (stream, "("); | |
126 | break; | |
127 | ||
128 | case TYPE_CODE_ARRAY: | |
129 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
130 | break; | |
131 | ||
132 | case TYPE_CODE_UNDEF: | |
133 | case TYPE_CODE_STRUCT: | |
134 | case TYPE_CODE_UNION: | |
135 | case TYPE_CODE_ENUM: | |
136 | case TYPE_CODE_INT: | |
137 | case TYPE_CODE_FLT: | |
138 | case TYPE_CODE_VOID: | |
139 | case TYPE_CODE_ERROR: | |
140 | case TYPE_CODE_CHAR: | |
141 | case TYPE_CODE_BOOL: | |
142 | case TYPE_CODE_SET: | |
143 | case TYPE_CODE_RANGE: | |
144 | case TYPE_CODE_STRING: | |
c906108c | 145 | case TYPE_CODE_METHOD: |
c906108c SS |
146 | case TYPE_CODE_REF: |
147 | case TYPE_CODE_COMPLEX: | |
148 | case TYPE_CODE_TYPEDEF: | |
149 | /* These types need no prefix. They are listed here so that | |
c5aa993b | 150 | gcc -Wall will reveal any types that haven't been handled. */ |
c906108c SS |
151 | break; |
152 | } | |
153 | } | |
154 | ||
c906108c SS |
155 | /* Print any array sizes, function arguments or close parentheses |
156 | needed after the variable name (to describe its type). | |
157 | Args work like c_type_print_varspec_prefix. */ | |
158 | ||
159 | static void | |
fba45db2 | 160 | f_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
0311118f JK |
161 | int show, int passed_a_ptr, int demangled_args, |
162 | int arrayprint_recurse_level) | |
c906108c SS |
163 | { |
164 | int upper_bound, lower_bound; | |
9216103f | 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 | ||
195 | lower_bound = f77_get_lowerbound (type); | |
196 | if (lower_bound != 1) /* Not the default. */ | |
197 | fprintf_filtered (stream, "%d:", lower_bound); | |
198 | ||
199 | /* Make sure that, if we have an assumed size array, we | |
200 | print out a warning and print the upperbound as '*'. */ | |
201 | ||
202 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) | |
203 | fprintf_filtered (stream, "*"); | |
204 | else | |
205 | { | |
206 | upper_bound = f77_get_upperbound (type); | |
207 | fprintf_filtered (stream, "%d", upper_bound); | |
208 | } | |
209 | ||
210 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY) | |
211 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
212 | 0, 0, arrayprint_recurse_level); | |
213 | } | |
c906108c SS |
214 | if (arrayprint_recurse_level == 1) |
215 | fprintf_filtered (stream, ")"); | |
216 | else | |
c5aa993b | 217 | fprintf_filtered (stream, ","); |
c906108c SS |
218 | arrayprint_recurse_level--; |
219 | break; | |
220 | ||
221 | case TYPE_CODE_PTR: | |
222 | case TYPE_CODE_REF: | |
0311118f JK |
223 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0, |
224 | arrayprint_recurse_level); | |
c5aa993b | 225 | fprintf_filtered (stream, ")"); |
c906108c SS |
226 | break; |
227 | ||
228 | case TYPE_CODE_FUNC: | |
229 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
0311118f | 230 | passed_a_ptr, 0, arrayprint_recurse_level); |
c906108c SS |
231 | if (passed_a_ptr) |
232 | fprintf_filtered (stream, ")"); | |
233 | ||
234 | fprintf_filtered (stream, "()"); | |
235 | break; | |
236 | ||
237 | case TYPE_CODE_UNDEF: | |
238 | case TYPE_CODE_STRUCT: | |
239 | case TYPE_CODE_UNION: | |
240 | case TYPE_CODE_ENUM: | |
241 | case TYPE_CODE_INT: | |
242 | case TYPE_CODE_FLT: | |
243 | case TYPE_CODE_VOID: | |
244 | case TYPE_CODE_ERROR: | |
245 | case TYPE_CODE_CHAR: | |
246 | case TYPE_CODE_BOOL: | |
247 | case TYPE_CODE_SET: | |
248 | case TYPE_CODE_RANGE: | |
249 | case TYPE_CODE_STRING: | |
c906108c | 250 | case TYPE_CODE_METHOD: |
c906108c SS |
251 | case TYPE_CODE_COMPLEX: |
252 | case TYPE_CODE_TYPEDEF: | |
253 | /* These types do not need a suffix. They are listed so that | |
c5aa993b | 254 | gcc -Wall will report types that may not have been considered. */ |
c906108c SS |
255 | break; |
256 | } | |
257 | } | |
258 | ||
c906108c SS |
259 | /* Print the name of the type (or the ultimate pointer target, |
260 | function value or array element), or the description of a | |
261 | structure or union. | |
262 | ||
263 | SHOW nonzero means don't print this type as just its name; | |
264 | show its real definition even if it has a name. | |
265 | SHOW zero means print just typename or struct tag if there is one | |
266 | SHOW negative means abbreviate structure elements. | |
267 | SHOW is decremented for printing of structure elements. | |
268 | ||
269 | LEVEL is the depth to indent by. | |
270 | We increase it for some recursive calls. */ | |
271 | ||
272 | void | |
fba45db2 KB |
273 | f_type_print_base (struct type *type, struct ui_file *stream, int show, |
274 | int level) | |
c906108c | 275 | { |
c906108c | 276 | int upper_bound; |
2a5e440c WZ |
277 | int index; |
278 | ||
c906108c SS |
279 | QUIT; |
280 | ||
281 | wrap_here (" "); | |
282 | if (type == NULL) | |
283 | { | |
284 | fputs_filtered ("<type unknown>", stream); | |
285 | return; | |
286 | } | |
287 | ||
288 | /* When SHOW is zero or less, and there is a valid type name, then always | |
0963b4bd | 289 | just print the type name directly from the type. */ |
c906108c SS |
290 | |
291 | if ((show <= 0) && (TYPE_NAME (type) != NULL)) | |
292 | { | |
72b17055 | 293 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (type)); |
c906108c SS |
294 | return; |
295 | } | |
296 | ||
297 | if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF) | |
f168693b | 298 | type = check_typedef (type); |
c906108c SS |
299 | |
300 | switch (TYPE_CODE (type)) | |
301 | { | |
302 | case TYPE_CODE_TYPEDEF: | |
303 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
304 | break; | |
305 | ||
306 | case TYPE_CODE_ARRAY: | |
c906108c | 307 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
7022349d PA |
308 | break; |
309 | case TYPE_CODE_FUNC: | |
310 | if (TYPE_TARGET_TYPE (type) == NULL) | |
311 | type_print_unknown_return_type (stream); | |
312 | else | |
313 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
c906108c SS |
314 | break; |
315 | ||
c5aa993b | 316 | case TYPE_CODE_PTR: |
a5ad232b FP |
317 | fprintfi_filtered (level, stream, "PTR TO -> ( "); |
318 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
7e86466e RH |
319 | break; |
320 | ||
321 | case TYPE_CODE_REF: | |
a5ad232b FP |
322 | fprintfi_filtered (level, stream, "REF TO -> ( "); |
323 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
c906108c SS |
324 | break; |
325 | ||
326 | case TYPE_CODE_VOID: | |
2a5e440c | 327 | fprintfi_filtered (level, stream, "VOID"); |
c906108c SS |
328 | break; |
329 | ||
330 | case TYPE_CODE_UNDEF: | |
2a5e440c | 331 | fprintfi_filtered (level, stream, "struct <unknown>"); |
c906108c SS |
332 | break; |
333 | ||
334 | case TYPE_CODE_ERROR: | |
b00fdb78 | 335 | fprintfi_filtered (level, stream, "%s", TYPE_ERROR_NAME (type)); |
c906108c SS |
336 | break; |
337 | ||
338 | case TYPE_CODE_RANGE: | |
0963b4bd | 339 | /* This should not occur. */ |
2a5e440c | 340 | fprintfi_filtered (level, stream, "<range type>"); |
c906108c SS |
341 | break; |
342 | ||
343 | case TYPE_CODE_CHAR: | |
c906108c SS |
344 | case TYPE_CODE_INT: |
345 | /* There may be some character types that attempt to come | |
346 | through as TYPE_CODE_INT since dbxstclass.h is so | |
347 | C-oriented, we must change these to "character" from "char". */ | |
348 | ||
bde58177 | 349 | if (strcmp (TYPE_NAME (type), "char") == 0) |
2a5e440c | 350 | fprintfi_filtered (level, stream, "character"); |
c906108c SS |
351 | else |
352 | goto default_case; | |
353 | break; | |
354 | ||
c906108c | 355 | case TYPE_CODE_STRING: |
0963b4bd | 356 | /* Strings may have dynamic upperbounds (lengths) like arrays. */ |
c906108c | 357 | |
d78df370 | 358 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
2a5e440c | 359 | fprintfi_filtered (level, stream, "character*(*)"); |
c906108c SS |
360 | else |
361 | { | |
d78df370 JK |
362 | upper_bound = f77_get_upperbound (type); |
363 | fprintf_filtered (stream, "character*%d", upper_bound); | |
c906108c SS |
364 | } |
365 | break; | |
366 | ||
2a5e440c | 367 | case TYPE_CODE_STRUCT: |
9eec4d1e MD |
368 | case TYPE_CODE_UNION: |
369 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
370 | fprintfi_filtered (level, stream, "Type, C_Union :: "); | |
371 | else | |
372 | fprintfi_filtered (level, stream, "Type "); | |
2a5e440c | 373 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
9b2db1fd BH |
374 | /* According to the definition, |
375 | we only print structure elements in case show > 0. */ | |
376 | if (show > 0) | |
2a5e440c | 377 | { |
2a5e440c | 378 | fputs_filtered ("\n", stream); |
9b2db1fd BH |
379 | for (index = 0; index < TYPE_NFIELDS (type); index++) |
380 | { | |
e188eb36 BH |
381 | f_type_print_base (TYPE_FIELD_TYPE (type, index), stream, |
382 | show - 1, level + 4); | |
9b2db1fd BH |
383 | fputs_filtered (" :: ", stream); |
384 | fputs_filtered (TYPE_FIELD_NAME (type, index), stream); | |
385 | f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index), | |
e188eb36 | 386 | stream, show - 1, 0, 0, 0); |
9b2db1fd BH |
387 | fputs_filtered ("\n", stream); |
388 | } | |
389 | fprintfi_filtered (level, stream, "End Type "); | |
390 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
391 | } | |
2a5e440c WZ |
392 | break; |
393 | ||
f55ee35c JK |
394 | case TYPE_CODE_MODULE: |
395 | fprintfi_filtered (level, stream, "module %s", TYPE_TAG_NAME (type)); | |
396 | break; | |
397 | ||
c906108c SS |
398 | default_case: |
399 | default: | |
400 | /* Handle types not explicitly handled by the other cases, | |
c5aa993b JM |
401 | such as fundamental types. For these, just print whatever |
402 | the type name is, as recorded in the type itself. If there | |
0963b4bd | 403 | is no type name, then complain. */ |
c906108c | 404 | if (TYPE_NAME (type) != NULL) |
848359ac | 405 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (type)); |
c906108c | 406 | else |
8a3fe4f8 | 407 | error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type)); |
c906108c SS |
408 | break; |
409 | } | |
410 | } |