]>
Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Support for printing Fortran types for GDB, the GNU debugger. |
d7f0b9ce DJ |
2 | Copyright 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998, 2000, |
3 | 2001, 2002 | |
b6ba6518 | 4 | Free Software Foundation, Inc. |
c906108c SS |
5 | Contributed by Motorola. Adapted from the C version by Farooq Butt |
6 | ([email protected]). | |
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 | |
12 | the Free Software Foundation; either version 2 of the License, or | |
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 JM |
20 | You should have received a copy of the GNU General Public License |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | Boston, MA 02111-1307, USA. */ | |
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 | ||
d9fcf2fb JM |
43 | static void print_equivalent_f77_float_type (struct type *, |
44 | struct ui_file *); | |
c906108c | 45 | |
d9fcf2fb JM |
46 | static void f_type_print_varspec_suffix (struct type *, struct ui_file *, |
47 | int, int, int); | |
c906108c | 48 | |
d9fcf2fb JM |
49 | void f_type_print_varspec_prefix (struct type *, struct ui_file *, |
50 | int, int); | |
c906108c | 51 | |
d9fcf2fb | 52 | void f_type_print_base (struct type *, struct ui_file *, int, int); |
c906108c | 53 | \f |
c5aa993b | 54 | |
c906108c SS |
55 | /* LEVEL is the depth to indent lines by. */ |
56 | ||
57 | void | |
fba45db2 KB |
58 | f_print_type (struct type *type, char *varstring, struct ui_file *stream, |
59 | int show, int level) | |
c906108c SS |
60 | { |
61 | register enum type_code code; | |
62 | int demangled_args; | |
63 | ||
64 | f_type_print_base (type, stream, show, level); | |
65 | code = TYPE_CODE (type); | |
66 | if ((varstring != NULL && *varstring != '\0') | |
67 | || | |
c5aa993b JM |
68 | /* Need a space if going to print stars or brackets; |
69 | but not if we will print just a type name. */ | |
c906108c SS |
70 | ((show > 0 || TYPE_NAME (type) == 0) |
71 | && | |
72 | (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC | |
73 | || code == TYPE_CODE_METHOD | |
74 | || code == TYPE_CODE_ARRAY | |
75 | || code == TYPE_CODE_MEMBER | |
76 | || code == TYPE_CODE_REF))) | |
77 | fputs_filtered (" ", stream); | |
78 | f_type_print_varspec_prefix (type, stream, show, 0); | |
79 | ||
80 | fputs_filtered (varstring, stream); | |
81 | ||
82 | /* For demangled function names, we have the arglist as part of the name, | |
83 | so don't print an additional pair of ()'s */ | |
84 | ||
c5aa993b | 85 | demangled_args = varstring[strlen (varstring) - 1] == ')'; |
c906108c SS |
86 | f_type_print_varspec_suffix (type, stream, show, 0, demangled_args); |
87 | } | |
88 | ||
89 | /* Print any asterisks or open-parentheses needed before the | |
90 | variable name (to describe its type). | |
91 | ||
92 | On outermost call, pass 0 for PASSED_A_PTR. | |
93 | On outermost call, SHOW > 0 means should ignore | |
94 | any typename for TYPE and show its details. | |
95 | SHOW is always zero on recursive calls. */ | |
96 | ||
97 | void | |
fba45db2 KB |
98 | f_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
99 | int show, int passed_a_ptr) | |
c906108c SS |
100 | { |
101 | if (type == 0) | |
102 | return; | |
103 | ||
104 | if (TYPE_NAME (type) && show <= 0) | |
105 | return; | |
106 | ||
107 | QUIT; | |
108 | ||
109 | switch (TYPE_CODE (type)) | |
110 | { | |
111 | case TYPE_CODE_PTR: | |
112 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
113 | break; | |
114 | ||
115 | case TYPE_CODE_FUNC: | |
116 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
117 | if (passed_a_ptr) | |
118 | fprintf_filtered (stream, "("); | |
119 | break; | |
120 | ||
121 | case TYPE_CODE_ARRAY: | |
122 | f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
123 | break; | |
124 | ||
125 | case TYPE_CODE_UNDEF: | |
126 | case TYPE_CODE_STRUCT: | |
127 | case TYPE_CODE_UNION: | |
128 | case TYPE_CODE_ENUM: | |
129 | case TYPE_CODE_INT: | |
130 | case TYPE_CODE_FLT: | |
131 | case TYPE_CODE_VOID: | |
132 | case TYPE_CODE_ERROR: | |
133 | case TYPE_CODE_CHAR: | |
134 | case TYPE_CODE_BOOL: | |
135 | case TYPE_CODE_SET: | |
136 | case TYPE_CODE_RANGE: | |
137 | case TYPE_CODE_STRING: | |
138 | case TYPE_CODE_BITSTRING: | |
139 | case TYPE_CODE_METHOD: | |
140 | case TYPE_CODE_MEMBER: | |
141 | case TYPE_CODE_REF: | |
142 | case TYPE_CODE_COMPLEX: | |
143 | case TYPE_CODE_TYPEDEF: | |
144 | /* These types need no prefix. They are listed here so that | |
c5aa993b | 145 | gcc -Wall will reveal any types that haven't been handled. */ |
c906108c SS |
146 | break; |
147 | } | |
148 | } | |
149 | ||
c906108c SS |
150 | /* Print any array sizes, function arguments or close parentheses |
151 | needed after the variable name (to describe its type). | |
152 | Args work like c_type_print_varspec_prefix. */ | |
153 | ||
154 | static void | |
fba45db2 KB |
155 | f_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
156 | int show, int passed_a_ptr, int demangled_args) | |
c906108c SS |
157 | { |
158 | int upper_bound, lower_bound; | |
159 | int lower_bound_was_default = 0; | |
160 | static int arrayprint_recurse_level = 0; | |
161 | int retcode; | |
162 | ||
163 | if (type == 0) | |
164 | return; | |
165 | ||
166 | if (TYPE_NAME (type) && show <= 0) | |
167 | return; | |
168 | ||
169 | QUIT; | |
170 | ||
171 | switch (TYPE_CODE (type)) | |
172 | { | |
173 | case TYPE_CODE_ARRAY: | |
174 | arrayprint_recurse_level++; | |
175 | ||
176 | if (arrayprint_recurse_level == 1) | |
c5aa993b | 177 | fprintf_filtered (stream, "("); |
c906108c SS |
178 | |
179 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY) | |
180 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
181 | ||
c5aa993b | 182 | retcode = f77_get_dynamic_lowerbound (type, &lower_bound); |
c906108c SS |
183 | |
184 | lower_bound_was_default = 0; | |
185 | ||
186 | if (retcode == BOUND_FETCH_ERROR) | |
c5aa993b JM |
187 | fprintf_filtered (stream, "???"); |
188 | else if (lower_bound == 1) /* The default */ | |
189 | lower_bound_was_default = 1; | |
c906108c | 190 | else |
c5aa993b | 191 | fprintf_filtered (stream, "%d", lower_bound); |
c906108c SS |
192 | |
193 | if (lower_bound_was_default) | |
194 | lower_bound_was_default = 0; | |
195 | else | |
c5aa993b | 196 | fprintf_filtered (stream, ":"); |
c906108c SS |
197 | |
198 | /* Make sure that, if we have an assumed size array, we | |
c5aa993b | 199 | print out a warning and print the upperbound as '*' */ |
c906108c | 200 | |
c5aa993b | 201 | if (TYPE_ARRAY_UPPER_BOUND_TYPE (type) == BOUND_CANNOT_BE_DETERMINED) |
c906108c | 202 | fprintf_filtered (stream, "*"); |
c5aa993b JM |
203 | else |
204 | { | |
205 | retcode = f77_get_dynamic_upperbound (type, &upper_bound); | |
c906108c | 206 | |
c5aa993b JM |
207 | if (retcode == BOUND_FETCH_ERROR) |
208 | fprintf_filtered (stream, "???"); | |
209 | else | |
210 | fprintf_filtered (stream, "%d", upper_bound); | |
211 | } | |
c906108c SS |
212 | |
213 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY) | |
214 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
215 | if (arrayprint_recurse_level == 1) | |
216 | fprintf_filtered (stream, ")"); | |
217 | else | |
c5aa993b | 218 | fprintf_filtered (stream, ","); |
c906108c SS |
219 | arrayprint_recurse_level--; |
220 | break; | |
221 | ||
222 | case TYPE_CODE_PTR: | |
223 | case TYPE_CODE_REF: | |
224 | f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0); | |
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, | |
c5aa993b | 230 | passed_a_ptr, 0); |
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: | |
250 | case TYPE_CODE_BITSTRING: | |
251 | case TYPE_CODE_METHOD: | |
252 | case TYPE_CODE_MEMBER: | |
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 | ||
261 | static void | |
fba45db2 | 262 | print_equivalent_f77_float_type (struct type *type, struct ui_file *stream) |
c906108c SS |
263 | { |
264 | /* Override type name "float" and make it the | |
265 | appropriate real. XLC stupidly outputs -12 as a type | |
266 | for real when it really should be outputting -18 */ | |
267 | ||
268 | fprintf_filtered (stream, "real*%d", TYPE_LENGTH (type)); | |
269 | } | |
270 | ||
271 | /* Print the name of the type (or the ultimate pointer target, | |
272 | function value or array element), or the description of a | |
273 | structure or union. | |
274 | ||
275 | SHOW nonzero means don't print this type as just its name; | |
276 | show its real definition even if it has a name. | |
277 | SHOW zero means print just typename or struct tag if there is one | |
278 | SHOW negative means abbreviate structure elements. | |
279 | SHOW is decremented for printing of structure elements. | |
280 | ||
281 | LEVEL is the depth to indent by. | |
282 | We increase it for some recursive calls. */ | |
283 | ||
284 | void | |
fba45db2 KB |
285 | f_type_print_base (struct type *type, struct ui_file *stream, int show, |
286 | int level) | |
c906108c SS |
287 | { |
288 | int retcode; | |
289 | int upper_bound; | |
290 | ||
291 | QUIT; | |
292 | ||
293 | wrap_here (" "); | |
294 | if (type == NULL) | |
295 | { | |
296 | fputs_filtered ("<type unknown>", stream); | |
297 | return; | |
298 | } | |
299 | ||
300 | /* When SHOW is zero or less, and there is a valid type name, then always | |
301 | just print the type name directly from the type. */ | |
302 | ||
303 | if ((show <= 0) && (TYPE_NAME (type) != NULL)) | |
304 | { | |
305 | if (TYPE_CODE (type) == TYPE_CODE_FLT) | |
306 | print_equivalent_f77_float_type (type, stream); | |
307 | else | |
308 | fputs_filtered (TYPE_NAME (type), stream); | |
309 | return; | |
310 | } | |
311 | ||
312 | if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF) | |
313 | CHECK_TYPEDEF (type); | |
314 | ||
315 | switch (TYPE_CODE (type)) | |
316 | { | |
317 | case TYPE_CODE_TYPEDEF: | |
318 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
319 | break; | |
320 | ||
321 | case TYPE_CODE_ARRAY: | |
322 | case TYPE_CODE_FUNC: | |
323 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
324 | break; | |
325 | ||
c5aa993b | 326 | case TYPE_CODE_PTR: |
c906108c SS |
327 | fprintf_filtered (stream, "PTR TO -> ( "); |
328 | f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level); | |
329 | break; | |
330 | ||
331 | case TYPE_CODE_VOID: | |
332 | fprintf_filtered (stream, "VOID"); | |
333 | break; | |
334 | ||
335 | case TYPE_CODE_UNDEF: | |
336 | fprintf_filtered (stream, "struct <unknown>"); | |
337 | break; | |
338 | ||
339 | case TYPE_CODE_ERROR: | |
340 | fprintf_filtered (stream, "<unknown type>"); | |
341 | break; | |
342 | ||
343 | case TYPE_CODE_RANGE: | |
344 | /* This should not occur */ | |
345 | fprintf_filtered (stream, "<range type>"); | |
346 | break; | |
347 | ||
348 | case TYPE_CODE_CHAR: | |
349 | /* Override name "char" and make it "character" */ | |
350 | fprintf_filtered (stream, "character"); | |
351 | break; | |
352 | ||
353 | case TYPE_CODE_INT: | |
354 | /* There may be some character types that attempt to come | |
355 | through as TYPE_CODE_INT since dbxstclass.h is so | |
356 | C-oriented, we must change these to "character" from "char". */ | |
357 | ||
358 | if (STREQ (TYPE_NAME (type), "char")) | |
359 | fprintf_filtered (stream, "character"); | |
360 | else | |
361 | goto default_case; | |
362 | break; | |
363 | ||
364 | case TYPE_CODE_COMPLEX: | |
365 | fprintf_filtered (stream, "complex*%d", TYPE_LENGTH (type)); | |
366 | break; | |
367 | ||
368 | case TYPE_CODE_FLT: | |
369 | print_equivalent_f77_float_type (type, stream); | |
370 | break; | |
371 | ||
372 | case TYPE_CODE_STRING: | |
373 | /* Strings may have dynamic upperbounds (lengths) like arrays. */ | |
374 | ||
375 | if (TYPE_ARRAY_UPPER_BOUND_TYPE (type) == BOUND_CANNOT_BE_DETERMINED) | |
376 | fprintf_filtered (stream, "character*(*)"); | |
377 | else | |
378 | { | |
379 | retcode = f77_get_dynamic_upperbound (type, &upper_bound); | |
380 | ||
381 | if (retcode == BOUND_FETCH_ERROR) | |
382 | fprintf_filtered (stream, "character*???"); | |
383 | else | |
384 | fprintf_filtered (stream, "character*%d", upper_bound); | |
385 | } | |
386 | break; | |
387 | ||
388 | default_case: | |
389 | default: | |
390 | /* Handle types not explicitly handled by the other cases, | |
c5aa993b JM |
391 | such as fundamental types. For these, just print whatever |
392 | the type name is, as recorded in the type itself. If there | |
393 | is no type name, then complain. */ | |
c906108c SS |
394 | if (TYPE_NAME (type) != NULL) |
395 | fputs_filtered (TYPE_NAME (type), stream); | |
396 | else | |
397 | error ("Invalid type code (%d) in symbol table.", TYPE_CODE (type)); | |
398 | break; | |
399 | } | |
400 | } |