* config/alpha/tm-fbsd.h (FRAME_CHAIN_VALID): Remove.
[deliverable/binutils-gdb.git] / gdb / ch-typeprint.c
CommitLineData
c906108c 1/* Support for printing Chill types for GDB, the GNU debugger.
b6ba6518
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2 Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 2000
3 Free Software Foundation, Inc.
c906108c 4
c5aa993b 5 This file is part of GDB.
c906108c 6
c5aa993b
JM
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
c906108c 11
c5aa993b
JM
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
c906108c 16
c5aa993b
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17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
c906108c
SS
21
22#include "defs.h"
23#include "obstack.h"
24#include "bfd.h" /* Binary File Description */
25#include "symtab.h"
26#include "gdbtypes.h"
27#include "expression.h"
28#include "value.h"
29#include "gdbcore.h"
30#include "target.h"
c906108c 31#include "language.h"
c906108c
SS
32#include "ch-lang.h"
33#include "typeprint.h"
34
35#include "gdb_string.h"
36#include <errno.h>
37
d9fcf2fb 38static void chill_type_print_base (struct type *, struct ui_file *, int, int);
c906108c
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39
40void
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41chill_print_type (struct type *type, char *varstring, struct ui_file *stream,
42 int show, int level)
c906108c
SS
43{
44 if (varstring != NULL && *varstring != '\0')
45 {
46 fputs_filtered (varstring, stream);
47 fputs_filtered (" ", stream);
48 }
49 chill_type_print_base (type, stream, show, level);
50}
51
52/* Print the name of the type (or the ultimate pointer target,
53 function value or array element).
54
55 SHOW nonzero means don't print this type as just its name;
56 show its real definition even if it has a name.
57 SHOW zero means print just typename or tag if there is one
58 SHOW negative means abbreviate structure elements.
59 SHOW is decremented for printing of structure elements.
60
61 LEVEL is the depth to indent by.
62 We increase it for some recursive calls. */
63
64static void
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65chill_type_print_base (struct type *type, struct ui_file *stream, int show,
66 int level)
c906108c
SS
67{
68 register int len;
69 register int i;
70 struct type *index_type;
71 struct type *range_type;
72 LONGEST low_bound;
73 LONGEST high_bound;
74
75 QUIT;
76
77 wrap_here (" ");
78 if (type == NULL)
79 {
80 fputs_filtered ("<type unknown>", stream);
81 return;
82 }
83
84 /* When SHOW is zero or less, and there is a valid type name, then always
85 just print the type name directly from the type. */
86
87 if ((show <= 0) && (TYPE_NAME (type) != NULL))
88 {
89 fputs_filtered (TYPE_NAME (type), stream);
90 return;
91 }
92
93 if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
94 CHECK_TYPEDEF (type);
95
96 switch (TYPE_CODE (type))
97 {
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JM
98 case TYPE_CODE_TYPEDEF:
99 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
100 break;
101 case TYPE_CODE_PTR:
102 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
103 {
104 fprintf_filtered (stream,
105 TYPE_NAME (type) ? TYPE_NAME (type) : "PTR");
106 break;
107 }
108 fprintf_filtered (stream, "REF ");
109 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
110 break;
111
112 case TYPE_CODE_BOOL:
113 /* FIXME: we should probably just print the TYPE_NAME, in case
114 anyone ever fixes the compiler to give us the real names
115 in the presence of the chill equivalent of typedef (assuming
116 there is one). */
117 fprintf_filtered (stream,
118 TYPE_NAME (type) ? TYPE_NAME (type) : "BOOL");
119 break;
120
121 case TYPE_CODE_ARRAY:
122 fputs_filtered ("ARRAY (", stream);
123 range_type = TYPE_FIELD_TYPE (type, 0);
124 if (TYPE_CODE (range_type) != TYPE_CODE_RANGE)
125 chill_print_type (range_type, "", stream, 0, level);
126 else
127 {
128 index_type = TYPE_TARGET_TYPE (range_type);
129 low_bound = TYPE_FIELD_BITPOS (range_type, 0);
130 high_bound = TYPE_FIELD_BITPOS (range_type, 1);
131 print_type_scalar (index_type, low_bound, stream);
132 fputs_filtered (":", stream);
133 print_type_scalar (index_type, high_bound, stream);
134 }
135 fputs_filtered (") ", stream);
136 chill_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, level);
137 break;
138
139 case TYPE_CODE_BITSTRING:
140 fprintf_filtered (stream, "BOOLS (%d)",
141 TYPE_FIELD_BITPOS (TYPE_FIELD_TYPE (type, 0), 1) + 1);
142 break;
143
144 case TYPE_CODE_SET:
145 fputs_filtered ("POWERSET ", stream);
146 chill_print_type (TYPE_INDEX_TYPE (type), "", stream,
147 show - 1, level);
148 break;
149
150 case TYPE_CODE_STRING:
151 range_type = TYPE_FIELD_TYPE (type, 0);
152 index_type = TYPE_TARGET_TYPE (range_type);
153 high_bound = TYPE_FIELD_BITPOS (range_type, 1);
154 fputs_filtered ("CHARS (", stream);
155 print_type_scalar (index_type, high_bound + 1, stream);
156 fputs_filtered (")", stream);
157 break;
158
159 case TYPE_CODE_MEMBER:
160 fprintf_filtered (stream, "MEMBER ");
161 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
162 break;
163 case TYPE_CODE_REF:
164 fprintf_filtered (stream, "/*LOC*/ ");
165 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
166 break;
167 case TYPE_CODE_FUNC:
168 fprintf_filtered (stream, "PROC (");
169 len = TYPE_NFIELDS (type);
170 for (i = 0; i < len; i++)
171 {
172 struct type *param_type = TYPE_FIELD_TYPE (type, i);
173 if (i > 0)
174 {
175 fputs_filtered (", ", stream);
176 wrap_here (" ");
177 }
178 if (TYPE_CODE (param_type) == TYPE_CODE_REF)
179 {
180 chill_type_print_base (TYPE_TARGET_TYPE (param_type),
181 stream, 0, level);
182 fputs_filtered (" LOC", stream);
183 }
184 else
185 chill_type_print_base (param_type, stream, show, level);
186 }
187 fprintf_filtered (stream, ")");
188 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
189 {
190 fputs_filtered (" RETURNS (", stream);
191 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
192 fputs_filtered (")", stream);
193 }
194 break;
195
196 case TYPE_CODE_STRUCT:
197 if (chill_varying_type (type))
198 {
199 chill_type_print_base (TYPE_FIELD_TYPE (type, 1),
200 stream, 0, level);
201 fputs_filtered (" VARYING", stream);
202 }
203 else
204 {
205 fprintf_filtered (stream, "STRUCT ");
206
207 fprintf_filtered (stream, "(\n");
208 if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
209 {
74a9bb82 210 if (TYPE_STUB (type))
c5aa993b
JM
211 {
212 fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
213 }
214 else
215 {
216 fprintfi_filtered (level + 4, stream, "<no data fields>\n");
217 }
218 }
219 else
220 {
221 len = TYPE_NFIELDS (type);
222 for (i = TYPE_N_BASECLASSES (type); i < len; i++)
223 {
224 struct type *field_type = TYPE_FIELD_TYPE (type, i);
225 QUIT;
226 print_spaces_filtered (level + 4, stream);
227 if (TYPE_CODE (field_type) == TYPE_CODE_UNION)
228 {
229 int j; /* variant number */
230 fputs_filtered ("CASE OF\n", stream);
231 for (j = 0; j < TYPE_NFIELDS (field_type); j++)
232 {
233 int k; /* variant field index */
234 struct type *variant_type
235 = TYPE_FIELD_TYPE (field_type, j);
236 int var_len = TYPE_NFIELDS (variant_type);
237 print_spaces_filtered (level + 4, stream);
238 if (strcmp (TYPE_FIELD_NAME (field_type, j),
239 "else") == 0)
240 fputs_filtered ("ELSE\n", stream);
241 else
242 fputs_filtered (":\n", stream);
243 if (TYPE_CODE (variant_type) != TYPE_CODE_STRUCT)
244 error ("variant record confusion");
245 for (k = 0; k < var_len; k++)
246 {
247 print_spaces_filtered (level + 8, stream);
248 chill_print_type (TYPE_FIELD_TYPE (variant_type, k),
249 TYPE_FIELD_NAME (variant_type, k),
250 stream, show - 1, level + 8);
251 if (k < (var_len - 1))
252 fputs_filtered (",", stream);
253 fputs_filtered ("\n", stream);
254 }
255 }
256 print_spaces_filtered (level + 4, stream);
257 fputs_filtered ("ESAC", stream);
258 }
259 else
260 chill_print_type (field_type,
261 TYPE_FIELD_NAME (type, i),
262 stream, show - 1, level + 4);
263 if (i < (len - 1))
264 {
265 fputs_filtered (",", stream);
266 }
267 fputs_filtered ("\n", stream);
268 }
269 }
270 fprintfi_filtered (level, stream, ")");
271 }
272 break;
273
274 case TYPE_CODE_RANGE:
275 {
276 struct type *target = TYPE_TARGET_TYPE (type);
277 if (target && TYPE_NAME (target))
278 fputs_filtered (TYPE_NAME (target), stream);
c906108c 279 else
c5aa993b
JM
280 fputs_filtered ("RANGE", stream);
281 if (target == NULL)
282 target = builtin_type_long;
283 fputs_filtered (" (", stream);
284 print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
285 fputs_filtered (":", stream);
286 print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
c906108c 287 fputs_filtered (")", stream);
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288 }
289 break;
290
291 case TYPE_CODE_ENUM:
292 {
293 register int lastval = 0;
294 fprintf_filtered (stream, "SET (");
c906108c
SS
295 len = TYPE_NFIELDS (type);
296 for (i = 0; i < len; i++)
297 {
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JM
298 QUIT;
299 if (i)
300 fprintf_filtered (stream, ", ");
301 wrap_here (" ");
302 fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
303 if (lastval != TYPE_FIELD_BITPOS (type, i))
c906108c 304 {
c5aa993b
JM
305 fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
306 lastval = TYPE_FIELD_BITPOS (type, i);
c906108c 307 }
c5aa993b 308 lastval++;
c906108c
SS
309 }
310 fprintf_filtered (stream, ")");
c5aa993b
JM
311 }
312 break;
c906108c 313
c5aa993b
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314 case TYPE_CODE_VOID:
315 case TYPE_CODE_UNDEF:
316 case TYPE_CODE_ERROR:
317 case TYPE_CODE_UNION:
318 case TYPE_CODE_METHOD:
319 error ("missing language support in chill_type_print_base");
320 break;
c906108c 321
c5aa993b 322 default:
c906108c 323
c5aa993b
JM
324 /* Handle types not explicitly handled by the other cases,
325 such as fundamental types. For these, just print whatever
326 the type name is, as recorded in the type itself. If there
327 is no type name, then complain. */
c906108c 328
c5aa993b 329 if (TYPE_NAME (type) != NULL)
c906108c 330 {
c5aa993b 331 fputs_filtered (TYPE_NAME (type), stream);
c906108c 332 }
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JM
333 else
334 {
335 error ("Unrecognized type code (%d) in symbol table.",
336 TYPE_CODE (type));
337 }
338 break;
339 }
c906108c 340}
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