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c906108c | 1 | /* Support for printing Fortran types for GDB, the GNU debugger. |
1bac305b | 2 | |
6aba47ca | 3 | Copyright (C) 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998, 2000, |
4c38e0a4 JB |
4 | 2001, 2002, 2003, 2006, 2007, 2008, 2009, 2010 |
5 | Free Software Foundation, Inc. | |
1bac305b | 6 | |
c906108c SS |
7 | Contributed by Motorola. Adapted from the C version by Farooq Butt |
8 | ([email protected]). | |
9 | ||
c5aa993b | 10 | This file is part of GDB. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is free software; you can redistribute it and/or modify |
13 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 14 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 15 | (at your option) any later version. |
c906108c | 16 | |
c5aa993b JM |
17 | This program is distributed in the hope that it will be useful, |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
c906108c | 21 | |
c5aa993b | 22 | You should have received a copy of the GNU General Public License |
a9762ec7 | 23 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
24 | |
25 | #include "defs.h" | |
04ea0df1 | 26 | #include "gdb_obstack.h" |
c906108c SS |
27 | #include "bfd.h" |
28 | #include "symtab.h" | |
29 | #include "gdbtypes.h" | |
30 | #include "expression.h" | |
31 | #include "value.h" | |
32 | #include "gdbcore.h" | |
33 | #include "target.h" | |
c906108c | 34 | #include "f-lang.h" |
c906108c SS |
35 | |
36 | #include "gdb_string.h" | |
37 | #include <errno.h> | |
38 | ||
c5aa993b | 39 | #if 0 /* Currently unused */ |
d9fcf2fb | 40 | static void f_type_print_args (struct type *, struct ui_file *); |
c906108c SS |
41 | #endif |
42 | ||
0311118f | 43 | static void f_type_print_varspec_suffix (struct type *, struct ui_file *, int, |
d9fcf2fb | 44 | int, int, int); |
c906108c | 45 | |
d9fcf2fb JM |
46 | void f_type_print_varspec_prefix (struct type *, struct ui_file *, |
47 | int, int); | |
c906108c | 48 | |
d9fcf2fb | 49 | void f_type_print_base (struct type *, struct ui_file *, int, int); |
c906108c | 50 | \f |
c5aa993b | 51 | |
c906108c SS |
52 | /* LEVEL is the depth to indent lines by. */ |
53 | ||
54 | void | |
fba45db2 KB |
55 | f_print_type (struct type *type, char *varstring, struct ui_file *stream, |
56 | int show, int level) | |
c906108c | 57 | { |
52f0bd74 | 58 | enum type_code code; |
c906108c SS |
59 | int demangled_args; |
60 | ||
61 | f_type_print_base (type, stream, show, level); | |
62 | code = TYPE_CODE (type); | |
63 | if ((varstring != NULL && *varstring != '\0') | |
c5aa993b JM |
64 | /* Need a space if going to print stars or brackets; |
65 | but not if we will print just a type name. */ | |
905e0470 PM |
66 | || ((show > 0 || TYPE_NAME (type) == 0) |
67 | && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | |
68 | || code == TYPE_CODE_METHOD | |
69 | || code == TYPE_CODE_ARRAY | |
70 | || code == TYPE_CODE_REF))) | |
c906108c SS |
71 | fputs_filtered (" ", stream); |
72 | f_type_print_varspec_prefix (type, stream, show, 0); | |
73 | ||
a7dfd010 MD |
74 | if (varstring != NULL) |
75 | { | |
76 | fputs_filtered (varstring, stream); | |
c906108c | 77 | |
a7dfd010 MD |
78 | /* For demangled function names, we have the arglist as part of the name, |
79 | so don't print an additional pair of ()'s */ | |
c906108c | 80 | |
a7dfd010 | 81 | demangled_args = varstring[strlen (varstring) - 1] == ')'; |
0311118f | 82 | f_type_print_varspec_suffix (type, stream, show, 0, demangled_args, 0); |
a7dfd010 | 83 | } |
c906108c SS |
84 | } |
85 | ||
86 | /* Print any asterisks or open-parentheses needed before the | |
87 | variable name (to describe its type). | |
88 | ||
89 | On outermost call, pass 0 for PASSED_A_PTR. | |
90 | On outermost call, SHOW > 0 means should ignore | |
91 | any typename for TYPE and show its details. | |
92 | SHOW is always zero on recursive calls. */ | |
93 | ||
94 | void | |
fba45db2 KB |
95 | f_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
96 | int show, int passed_a_ptr) | |
c906108c SS |
97 | { |
98 | if (type == 0) | |
99 | return; | |
100 | ||
101 | if (TYPE_NAME (type) && show <= 0) | |
102 | return; | |
103 | ||
104 | QUIT; | |
105 | ||
106 | switch (TYPE_CODE (type)) | |
107 | { | |
108 | case TYPE_CODE_PTR: | |
109 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
110 | break; | |
111 | ||
112 | case TYPE_CODE_FUNC: | |
113 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
114 | if (passed_a_ptr) | |
115 | fprintf_filtered (stream, "("); | |
116 | break; | |
117 | ||
118 | case TYPE_CODE_ARRAY: | |
119 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
120 | break; | |
121 | ||
122 | case TYPE_CODE_UNDEF: | |
123 | case TYPE_CODE_STRUCT: | |
124 | case TYPE_CODE_UNION: | |
125 | case TYPE_CODE_ENUM: | |
126 | case TYPE_CODE_INT: | |
127 | case TYPE_CODE_FLT: | |
128 | case TYPE_CODE_VOID: | |
129 | case TYPE_CODE_ERROR: | |
130 | case TYPE_CODE_CHAR: | |
131 | case TYPE_CODE_BOOL: | |
132 | case TYPE_CODE_SET: | |
133 | case TYPE_CODE_RANGE: | |
134 | case TYPE_CODE_STRING: | |
135 | case TYPE_CODE_BITSTRING: | |
136 | case TYPE_CODE_METHOD: | |
c906108c SS |
137 | case TYPE_CODE_REF: |
138 | case TYPE_CODE_COMPLEX: | |
139 | case TYPE_CODE_TYPEDEF: | |
140 | /* These types need no prefix. They are listed here so that | |
c5aa993b | 141 | gcc -Wall will reveal any types that haven't been handled. */ |
c906108c SS |
142 | break; |
143 | } | |
144 | } | |
145 | ||
c906108c SS |
146 | /* Print any array sizes, function arguments or close parentheses |
147 | needed after the variable name (to describe its type). | |
148 | Args work like c_type_print_varspec_prefix. */ | |
149 | ||
150 | static void | |
fba45db2 | 151 | f_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
0311118f JK |
152 | int show, int passed_a_ptr, int demangled_args, |
153 | int arrayprint_recurse_level) | |
c906108c SS |
154 | { |
155 | int upper_bound, lower_bound; | |
c906108c | 156 | int retcode; |
0311118f JK |
157 | /* No static variables are permitted as an error call may occur during |
158 | execution of this function. */ | |
c906108c SS |
159 | |
160 | if (type == 0) | |
161 | return; | |
162 | ||
163 | if (TYPE_NAME (type) && show <= 0) | |
164 | return; | |
165 | ||
166 | QUIT; | |
167 | ||
168 | switch (TYPE_CODE (type)) | |
169 | { | |
170 | case TYPE_CODE_ARRAY: | |
171 | arrayprint_recurse_level++; | |
172 | ||
173 | if (arrayprint_recurse_level == 1) | |
c5aa993b | 174 | fprintf_filtered (stream, "("); |
c906108c SS |
175 | |
176 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY) | |
0311118f JK |
177 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0, |
178 | arrayprint_recurse_level); | |
c906108c | 179 | |
d78df370 JK |
180 | lower_bound = f77_get_lowerbound (type); |
181 | if (lower_bound != 1) /* Not the default. */ | |
182 | fprintf_filtered (stream, "%d:", lower_bound); | |
c906108c SS |
183 | |
184 | /* Make sure that, if we have an assumed size array, we | |
c5aa993b | 185 | print out a warning and print the upperbound as '*' */ |
c906108c | 186 | |
d78df370 | 187 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
c906108c | 188 | fprintf_filtered (stream, "*"); |
c5aa993b JM |
189 | else |
190 | { | |
d78df370 JK |
191 | upper_bound = f77_get_upperbound (type); |
192 | fprintf_filtered (stream, "%d", upper_bound); | |
c5aa993b | 193 | } |
c906108c SS |
194 | |
195 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY) | |
0311118f JK |
196 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0, |
197 | arrayprint_recurse_level); | |
c906108c SS |
198 | if (arrayprint_recurse_level == 1) |
199 | fprintf_filtered (stream, ")"); | |
200 | else | |
c5aa993b | 201 | fprintf_filtered (stream, ","); |
c906108c SS |
202 | arrayprint_recurse_level--; |
203 | break; | |
204 | ||
205 | case TYPE_CODE_PTR: | |
206 | case TYPE_CODE_REF: | |
0311118f JK |
207 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0, |
208 | arrayprint_recurse_level); | |
c5aa993b | 209 | fprintf_filtered (stream, ")"); |
c906108c SS |
210 | break; |
211 | ||
212 | case TYPE_CODE_FUNC: | |
213 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
0311118f | 214 | passed_a_ptr, 0, arrayprint_recurse_level); |
c906108c SS |
215 | if (passed_a_ptr) |
216 | fprintf_filtered (stream, ")"); | |
217 | ||
218 | fprintf_filtered (stream, "()"); | |
219 | break; | |
220 | ||
221 | case TYPE_CODE_UNDEF: | |
222 | case TYPE_CODE_STRUCT: | |
223 | case TYPE_CODE_UNION: | |
224 | case TYPE_CODE_ENUM: | |
225 | case TYPE_CODE_INT: | |
226 | case TYPE_CODE_FLT: | |
227 | case TYPE_CODE_VOID: | |
228 | case TYPE_CODE_ERROR: | |
229 | case TYPE_CODE_CHAR: | |
230 | case TYPE_CODE_BOOL: | |
231 | case TYPE_CODE_SET: | |
232 | case TYPE_CODE_RANGE: | |
233 | case TYPE_CODE_STRING: | |
234 | case TYPE_CODE_BITSTRING: | |
235 | case TYPE_CODE_METHOD: | |
c906108c SS |
236 | case TYPE_CODE_COMPLEX: |
237 | case TYPE_CODE_TYPEDEF: | |
238 | /* These types do not need a suffix. They are listed so that | |
c5aa993b | 239 | gcc -Wall will report types that may not have been considered. */ |
c906108c SS |
240 | break; |
241 | } | |
242 | } | |
243 | ||
c906108c SS |
244 | /* Print the name of the type (or the ultimate pointer target, |
245 | function value or array element), or the description of a | |
246 | structure or union. | |
247 | ||
248 | SHOW nonzero means don't print this type as just its name; | |
249 | show its real definition even if it has a name. | |
250 | SHOW zero means print just typename or struct tag if there is one | |
251 | SHOW negative means abbreviate structure elements. | |
252 | SHOW is decremented for printing of structure elements. | |
253 | ||
254 | LEVEL is the depth to indent by. | |
255 | We increase it for some recursive calls. */ | |
256 | ||
257 | void | |
fba45db2 KB |
258 | f_type_print_base (struct type *type, struct ui_file *stream, int show, |
259 | int level) | |
c906108c SS |
260 | { |
261 | int retcode; | |
262 | int upper_bound; | |
263 | ||
2a5e440c WZ |
264 | int index; |
265 | ||
c906108c SS |
266 | QUIT; |
267 | ||
268 | wrap_here (" "); | |
269 | if (type == NULL) | |
270 | { | |
271 | fputs_filtered ("<type unknown>", stream); | |
272 | return; | |
273 | } | |
274 | ||
275 | /* When SHOW is zero or less, and there is a valid type name, then always | |
276 | just print the type name directly from the type. */ | |
277 | ||
278 | if ((show <= 0) && (TYPE_NAME (type) != NULL)) | |
279 | { | |
c244f7a6 | 280 | fputs_filtered (TYPE_NAME (type), stream); |
c906108c SS |
281 | return; |
282 | } | |
283 | ||
284 | if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF) | |
285 | CHECK_TYPEDEF (type); | |
286 | ||
287 | switch (TYPE_CODE (type)) | |
288 | { | |
289 | case TYPE_CODE_TYPEDEF: | |
290 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
291 | break; | |
292 | ||
293 | case TYPE_CODE_ARRAY: | |
294 | case TYPE_CODE_FUNC: | |
295 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
296 | break; | |
297 | ||
c5aa993b | 298 | case TYPE_CODE_PTR: |
c906108c SS |
299 | fprintf_filtered (stream, "PTR TO -> ( "); |
300 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
7e86466e RH |
301 | break; |
302 | ||
303 | case TYPE_CODE_REF: | |
304 | fprintf_filtered (stream, "REF TO -> ( "); | |
305 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
c906108c SS |
306 | break; |
307 | ||
308 | case TYPE_CODE_VOID: | |
2a5e440c | 309 | fprintfi_filtered (level, stream, "VOID"); |
c906108c SS |
310 | break; |
311 | ||
312 | case TYPE_CODE_UNDEF: | |
2a5e440c | 313 | fprintfi_filtered (level, stream, "struct <unknown>"); |
c906108c SS |
314 | break; |
315 | ||
316 | case TYPE_CODE_ERROR: | |
2a5e440c | 317 | fprintfi_filtered (level, stream, "<unknown type>"); |
c906108c SS |
318 | break; |
319 | ||
320 | case TYPE_CODE_RANGE: | |
321 | /* This should not occur */ | |
2a5e440c | 322 | fprintfi_filtered (level, stream, "<range type>"); |
c906108c SS |
323 | break; |
324 | ||
325 | case TYPE_CODE_CHAR: | |
326 | /* Override name "char" and make it "character" */ | |
2a5e440c | 327 | fprintfi_filtered (level, stream, "character"); |
c906108c SS |
328 | break; |
329 | ||
330 | case TYPE_CODE_INT: | |
331 | /* There may be some character types that attempt to come | |
332 | through as TYPE_CODE_INT since dbxstclass.h is so | |
333 | C-oriented, we must change these to "character" from "char". */ | |
334 | ||
bde58177 | 335 | if (strcmp (TYPE_NAME (type), "char") == 0) |
2a5e440c | 336 | fprintfi_filtered (level, stream, "character"); |
c906108c SS |
337 | else |
338 | goto default_case; | |
339 | break; | |
340 | ||
c906108c SS |
341 | case TYPE_CODE_STRING: |
342 | /* Strings may have dynamic upperbounds (lengths) like arrays. */ | |
343 | ||
d78df370 | 344 | if (TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (type)) |
2a5e440c | 345 | fprintfi_filtered (level, stream, "character*(*)"); |
c906108c SS |
346 | else |
347 | { | |
d78df370 JK |
348 | upper_bound = f77_get_upperbound (type); |
349 | fprintf_filtered (stream, "character*%d", upper_bound); | |
c906108c SS |
350 | } |
351 | break; | |
352 | ||
2a5e440c | 353 | case TYPE_CODE_STRUCT: |
9eec4d1e MD |
354 | case TYPE_CODE_UNION: |
355 | if (TYPE_CODE (type) == TYPE_CODE_UNION) | |
356 | fprintfi_filtered (level, stream, "Type, C_Union :: "); | |
357 | else | |
358 | fprintfi_filtered (level, stream, "Type "); | |
2a5e440c WZ |
359 | fputs_filtered (TYPE_TAG_NAME (type), stream); |
360 | fputs_filtered ("\n", stream); | |
361 | for (index = 0; index < TYPE_NFIELDS (type); index++) | |
362 | { | |
9eec4d1e MD |
363 | f_type_print_base (TYPE_FIELD_TYPE (type, index), stream, show, |
364 | level + 4); | |
2a5e440c | 365 | fputs_filtered (" :: ", stream); |
60023297 | 366 | fputs_filtered (TYPE_FIELD_NAME (type, index), stream); |
9eec4d1e | 367 | f_type_print_varspec_suffix (TYPE_FIELD_TYPE (type, index), |
0311118f | 368 | stream, 0, 0, 0, 0); |
2a5e440c WZ |
369 | fputs_filtered ("\n", stream); |
370 | } | |
371 | fprintfi_filtered (level, stream, "End Type "); | |
372 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
373 | break; | |
374 | ||
c906108c SS |
375 | default_case: |
376 | default: | |
377 | /* Handle types not explicitly handled by the other cases, | |
c5aa993b JM |
378 | such as fundamental types. For these, just print whatever |
379 | the type name is, as recorded in the type itself. If there | |
380 | is no type name, then complain. */ | |
c906108c | 381 | if (TYPE_NAME (type) != NULL) |
848359ac | 382 | fprintfi_filtered (level, stream, "%s", TYPE_NAME (type)); |
c906108c | 383 | else |
8a3fe4f8 | 384 | error (_("Invalid type code (%d) in symbol table."), TYPE_CODE (type)); |
c906108c SS |
385 | break; |
386 | } | |
387 | } |