* configure.in (noconfigdirs) [*-cygwin*, *-mingw*, *-beos]: Disable
[deliverable/binutils-gdb.git] / gdb / f-typeprint.c
CommitLineData
c906108c 1/* Support for printing Fortran types for GDB, the GNU debugger.
b6ba6518
KB
2 Copyright 1986, 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1998, 2000
3 Free Software Foundation, Inc.
c906108c
SS
4 Contributed by Motorola. Adapted from the C version by Farooq Butt
5 (fmbutt@engage.sps.mot.com).
6
c5aa993b 7 This file is part of GDB.
c906108c 8
c5aa993b
JM
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
c906108c 13
c5aa993b
JM
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
c906108c 18
c5aa993b
JM
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
c906108c
SS
23
24#include "defs.h"
25#include "obstack.h"
26#include "bfd.h"
27#include "symtab.h"
28#include "gdbtypes.h"
29#include "expression.h"
30#include "value.h"
31#include "gdbcore.h"
32#include "target.h"
c906108c 33#include "f-lang.h"
c906108c
SS
34
35#include "gdb_string.h"
36#include <errno.h>
37
c5aa993b 38#if 0 /* Currently unused */
d9fcf2fb 39static void f_type_print_args (struct type *, struct ui_file *);
c906108c
SS
40#endif
41
d9fcf2fb
JM
42static void print_equivalent_f77_float_type (struct type *,
43 struct ui_file *);
c906108c 44
d9fcf2fb
JM
45static void f_type_print_varspec_suffix (struct type *, struct ui_file *,
46 int, int, int);
c906108c 47
d9fcf2fb
JM
48void f_type_print_varspec_prefix (struct type *, struct ui_file *,
49 int, int);
c906108c 50
d9fcf2fb 51void f_type_print_base (struct type *, struct ui_file *, int, int);
c906108c 52\f
c5aa993b 53
c906108c
SS
54/* LEVEL is the depth to indent lines by. */
55
56void
fba45db2
KB
57f_print_type (struct type *type, char *varstring, struct ui_file *stream,
58 int show, int level)
c906108c
SS
59{
60 register enum type_code code;
61 int demangled_args;
62
63 f_type_print_base (type, stream, show, level);
64 code = TYPE_CODE (type);
65 if ((varstring != NULL && *varstring != '\0')
66 ||
c5aa993b
JM
67 /* Need a space if going to print stars or brackets;
68 but not if we will print just a type name. */
c906108c
SS
69 ((show > 0 || TYPE_NAME (type) == 0)
70 &&
71 (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
72 || code == TYPE_CODE_METHOD
73 || code == TYPE_CODE_ARRAY
74 || code == TYPE_CODE_MEMBER
75 || code == TYPE_CODE_REF)))
76 fputs_filtered (" ", stream);
77 f_type_print_varspec_prefix (type, stream, show, 0);
78
79 fputs_filtered (varstring, stream);
80
81 /* For demangled function names, we have the arglist as part of the name,
82 so don't print an additional pair of ()'s */
83
c5aa993b 84 demangled_args = varstring[strlen (varstring) - 1] == ')';
c906108c
SS
85 f_type_print_varspec_suffix (type, stream, show, 0, demangled_args);
86}
87
88/* Print any asterisks or open-parentheses needed before the
89 variable name (to describe its type).
90
91 On outermost call, pass 0 for PASSED_A_PTR.
92 On outermost call, SHOW > 0 means should ignore
93 any typename for TYPE and show its details.
94 SHOW is always zero on recursive calls. */
95
96void
fba45db2
KB
97f_type_print_varspec_prefix (struct type *type, struct ui_file *stream,
98 int show, int passed_a_ptr)
c906108c
SS
99{
100 if (type == 0)
101 return;
102
103 if (TYPE_NAME (type) && show <= 0)
104 return;
105
106 QUIT;
107
108 switch (TYPE_CODE (type))
109 {
110 case TYPE_CODE_PTR:
111 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
112 break;
113
114 case TYPE_CODE_FUNC:
115 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
116 if (passed_a_ptr)
117 fprintf_filtered (stream, "(");
118 break;
119
120 case TYPE_CODE_ARRAY:
121 f_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
122 break;
123
124 case TYPE_CODE_UNDEF:
125 case TYPE_CODE_STRUCT:
126 case TYPE_CODE_UNION:
127 case TYPE_CODE_ENUM:
128 case TYPE_CODE_INT:
129 case TYPE_CODE_FLT:
130 case TYPE_CODE_VOID:
131 case TYPE_CODE_ERROR:
132 case TYPE_CODE_CHAR:
133 case TYPE_CODE_BOOL:
134 case TYPE_CODE_SET:
135 case TYPE_CODE_RANGE:
136 case TYPE_CODE_STRING:
137 case TYPE_CODE_BITSTRING:
138 case TYPE_CODE_METHOD:
139 case TYPE_CODE_MEMBER:
140 case TYPE_CODE_REF:
141 case TYPE_CODE_COMPLEX:
142 case TYPE_CODE_TYPEDEF:
143 /* These types need no prefix. They are listed here so that
c5aa993b 144 gcc -Wall will reveal any types that haven't been handled. */
c906108c
SS
145 break;
146 }
147}
148
c5aa993b 149#if 0 /* Currently unused */
c906108c
SS
150
151static void
fba45db2 152f_type_print_args (struct type *type, struct ui_file *stream)
c906108c
SS
153{
154 int i;
155 struct type **args;
156
157 fprintf_filtered (stream, "(");
158 args = TYPE_ARG_TYPES (type);
159 if (args != NULL)
160 {
161 if (args[1] == NULL)
162 {
163 fprintf_filtered (stream, "...");
164 }
165 else
166 {
167 for (i = 1; args[i] != NULL && args[i]->code != TYPE_CODE_VOID; i++)
168 {
169 f_print_type (args[i], "", stream, -1, 0);
c5aa993b 170 if (args[i + 1] == NULL)
c906108c 171 fprintf_filtered (stream, "...");
c5aa993b 172 else if (args[i + 1]->code != TYPE_CODE_VOID)
c906108c
SS
173 {
174 fprintf_filtered (stream, ",");
175 wrap_here (" ");
176 }
177 }
178 }
179 }
180 fprintf_filtered (stream, ")");
181}
182
c5aa993b 183#endif /* 0 */
c906108c
SS
184
185/* Print any array sizes, function arguments or close parentheses
186 needed after the variable name (to describe its type).
187 Args work like c_type_print_varspec_prefix. */
188
189static void
fba45db2
KB
190f_type_print_varspec_suffix (struct type *type, struct ui_file *stream,
191 int show, int passed_a_ptr, int demangled_args)
c906108c
SS
192{
193 int upper_bound, lower_bound;
194 int lower_bound_was_default = 0;
195 static int arrayprint_recurse_level = 0;
196 int retcode;
197
198 if (type == 0)
199 return;
200
201 if (TYPE_NAME (type) && show <= 0)
202 return;
203
204 QUIT;
205
206 switch (TYPE_CODE (type))
207 {
208 case TYPE_CODE_ARRAY:
209 arrayprint_recurse_level++;
210
211 if (arrayprint_recurse_level == 1)
c5aa993b 212 fprintf_filtered (stream, "(");
c906108c
SS
213
214 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_ARRAY)
215 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
216
c5aa993b 217 retcode = f77_get_dynamic_lowerbound (type, &lower_bound);
c906108c
SS
218
219 lower_bound_was_default = 0;
220
221 if (retcode == BOUND_FETCH_ERROR)
c5aa993b
JM
222 fprintf_filtered (stream, "???");
223 else if (lower_bound == 1) /* The default */
224 lower_bound_was_default = 1;
c906108c 225 else
c5aa993b 226 fprintf_filtered (stream, "%d", lower_bound);
c906108c
SS
227
228 if (lower_bound_was_default)
229 lower_bound_was_default = 0;
230 else
c5aa993b 231 fprintf_filtered (stream, ":");
c906108c
SS
232
233 /* Make sure that, if we have an assumed size array, we
c5aa993b 234 print out a warning and print the upperbound as '*' */
c906108c 235
c5aa993b 236 if (TYPE_ARRAY_UPPER_BOUND_TYPE (type) == BOUND_CANNOT_BE_DETERMINED)
c906108c 237 fprintf_filtered (stream, "*");
c5aa993b
JM
238 else
239 {
240 retcode = f77_get_dynamic_upperbound (type, &upper_bound);
c906108c 241
c5aa993b
JM
242 if (retcode == BOUND_FETCH_ERROR)
243 fprintf_filtered (stream, "???");
244 else
245 fprintf_filtered (stream, "%d", upper_bound);
246 }
c906108c
SS
247
248 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_ARRAY)
249 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0);
250 if (arrayprint_recurse_level == 1)
251 fprintf_filtered (stream, ")");
252 else
c5aa993b 253 fprintf_filtered (stream, ",");
c906108c
SS
254 arrayprint_recurse_level--;
255 break;
256
257 case TYPE_CODE_PTR:
258 case TYPE_CODE_REF:
259 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0);
c5aa993b 260 fprintf_filtered (stream, ")");
c906108c
SS
261 break;
262
263 case TYPE_CODE_FUNC:
264 f_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
c5aa993b 265 passed_a_ptr, 0);
c906108c
SS
266 if (passed_a_ptr)
267 fprintf_filtered (stream, ")");
268
269 fprintf_filtered (stream, "()");
270 break;
271
272 case TYPE_CODE_UNDEF:
273 case TYPE_CODE_STRUCT:
274 case TYPE_CODE_UNION:
275 case TYPE_CODE_ENUM:
276 case TYPE_CODE_INT:
277 case TYPE_CODE_FLT:
278 case TYPE_CODE_VOID:
279 case TYPE_CODE_ERROR:
280 case TYPE_CODE_CHAR:
281 case TYPE_CODE_BOOL:
282 case TYPE_CODE_SET:
283 case TYPE_CODE_RANGE:
284 case TYPE_CODE_STRING:
285 case TYPE_CODE_BITSTRING:
286 case TYPE_CODE_METHOD:
287 case TYPE_CODE_MEMBER:
288 case TYPE_CODE_COMPLEX:
289 case TYPE_CODE_TYPEDEF:
290 /* These types do not need a suffix. They are listed so that
c5aa993b 291 gcc -Wall will report types that may not have been considered. */
c906108c
SS
292 break;
293 }
294}
295
296static void
fba45db2 297print_equivalent_f77_float_type (struct type *type, struct ui_file *stream)
c906108c
SS
298{
299 /* Override type name "float" and make it the
300 appropriate real. XLC stupidly outputs -12 as a type
301 for real when it really should be outputting -18 */
302
303 fprintf_filtered (stream, "real*%d", TYPE_LENGTH (type));
304}
305
306/* Print the name of the type (or the ultimate pointer target,
307 function value or array element), or the description of a
308 structure or union.
309
310 SHOW nonzero means don't print this type as just its name;
311 show its real definition even if it has a name.
312 SHOW zero means print just typename or struct tag if there is one
313 SHOW negative means abbreviate structure elements.
314 SHOW is decremented for printing of structure elements.
315
316 LEVEL is the depth to indent by.
317 We increase it for some recursive calls. */
318
319void
fba45db2
KB
320f_type_print_base (struct type *type, struct ui_file *stream, int show,
321 int level)
c906108c
SS
322{
323 int retcode;
324 int upper_bound;
325
326 QUIT;
327
328 wrap_here (" ");
329 if (type == NULL)
330 {
331 fputs_filtered ("<type unknown>", stream);
332 return;
333 }
334
335 /* When SHOW is zero or less, and there is a valid type name, then always
336 just print the type name directly from the type. */
337
338 if ((show <= 0) && (TYPE_NAME (type) != NULL))
339 {
340 if (TYPE_CODE (type) == TYPE_CODE_FLT)
341 print_equivalent_f77_float_type (type, stream);
342 else
343 fputs_filtered (TYPE_NAME (type), stream);
344 return;
345 }
346
347 if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
348 CHECK_TYPEDEF (type);
349
350 switch (TYPE_CODE (type))
351 {
352 case TYPE_CODE_TYPEDEF:
353 f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
354 break;
355
356 case TYPE_CODE_ARRAY:
357 case TYPE_CODE_FUNC:
358 f_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
359 break;
360
c5aa993b 361 case TYPE_CODE_PTR:
c906108c
SS
362 fprintf_filtered (stream, "PTR TO -> ( ");
363 f_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
364 break;
365
366 case TYPE_CODE_VOID:
367 fprintf_filtered (stream, "VOID");
368 break;
369
370 case TYPE_CODE_UNDEF:
371 fprintf_filtered (stream, "struct <unknown>");
372 break;
373
374 case TYPE_CODE_ERROR:
375 fprintf_filtered (stream, "<unknown type>");
376 break;
377
378 case TYPE_CODE_RANGE:
379 /* This should not occur */
380 fprintf_filtered (stream, "<range type>");
381 break;
382
383 case TYPE_CODE_CHAR:
384 /* Override name "char" and make it "character" */
385 fprintf_filtered (stream, "character");
386 break;
387
388 case TYPE_CODE_INT:
389 /* There may be some character types that attempt to come
390 through as TYPE_CODE_INT since dbxstclass.h is so
391 C-oriented, we must change these to "character" from "char". */
392
393 if (STREQ (TYPE_NAME (type), "char"))
394 fprintf_filtered (stream, "character");
395 else
396 goto default_case;
397 break;
398
399 case TYPE_CODE_COMPLEX:
400 fprintf_filtered (stream, "complex*%d", TYPE_LENGTH (type));
401 break;
402
403 case TYPE_CODE_FLT:
404 print_equivalent_f77_float_type (type, stream);
405 break;
406
407 case TYPE_CODE_STRING:
408 /* Strings may have dynamic upperbounds (lengths) like arrays. */
409
410 if (TYPE_ARRAY_UPPER_BOUND_TYPE (type) == BOUND_CANNOT_BE_DETERMINED)
411 fprintf_filtered (stream, "character*(*)");
412 else
413 {
414 retcode = f77_get_dynamic_upperbound (type, &upper_bound);
415
416 if (retcode == BOUND_FETCH_ERROR)
417 fprintf_filtered (stream, "character*???");
418 else
419 fprintf_filtered (stream, "character*%d", upper_bound);
420 }
421 break;
422
423 default_case:
424 default:
425 /* Handle types not explicitly handled by the other cases,
c5aa993b
JM
426 such as fundamental types. For these, just print whatever
427 the type name is, as recorded in the type itself. If there
428 is no type name, then complain. */
c906108c
SS
429 if (TYPE_NAME (type) != NULL)
430 fputs_filtered (TYPE_NAME (type), stream);
431 else
432 error ("Invalid type code (%d) in symbol table.", TYPE_CODE (type));
433 break;
434 }
435}
This page took 0.11104 seconds and 4 git commands to generate.