* config/i960/vxworks960.mt: add remote-vx960.o.
[deliverable/binutils-gdb.git] / gdb / ch-typeprint.c
CommitLineData
a8a69e63
FF
1/* Support for printing Chill types for GDB, the GNU debugger.
2 Copyright 1986, 1988, 1989, 1991 Free Software Foundation, Inc.
3
4This file is part of GDB.
5
6This program is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program; if not, write to the Free Software
18Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
19
20#include "defs.h"
21#include "obstack.h"
22#include "bfd.h" /* Binary File Description */
23#include "symtab.h"
24#include "gdbtypes.h"
25#include "expression.h"
26#include "value.h"
27#include "gdbcore.h"
28#include "target.h"
29#include "command.h"
30#include "gdbcmd.h"
31#include "language.h"
32#include "demangle.h"
33#include "ch-lang.h"
100f92e2 34#include "typeprint.h"
a8a69e63
FF
35
36#include <string.h>
37#include <errno.h>
38
8fbdca53 39static void
199b2450 40chill_type_print_base PARAMS ((struct type *, GDB_FILE *, int, int));
a8a69e63
FF
41
42void
43chill_print_type (type, varstring, stream, show, level)
44 struct type *type;
45 char *varstring;
199b2450 46 GDB_FILE *stream;
a8a69e63
FF
47 int show;
48 int level;
49{
a8a69e63
FF
50 if (varstring != NULL && *varstring != '\0')
51 {
52 fputs_filtered (varstring, stream);
53 fputs_filtered (" ", stream);
54 }
8a177da6 55 chill_type_print_base (type, stream, show, level);
a8a69e63
FF
56}
57
58/* Print the name of the type (or the ultimate pointer target,
59 function value or array element).
60
61 SHOW nonzero means don't print this type as just its name;
62 show its real definition even if it has a name.
63 SHOW zero means print just typename or tag if there is one
64 SHOW negative means abbreviate structure elements.
65 SHOW is decremented for printing of structure elements.
66
67 LEVEL is the depth to indent by.
68 We increase it for some recursive calls. */
69
8fbdca53
FF
70static void
71chill_type_print_base (type, stream, show, level)
a8a69e63 72 struct type *type;
199b2450 73 GDB_FILE *stream;
a8a69e63
FF
74 int show;
75 int level;
76{
8fbdca53
FF
77 register int len;
78 register int i;
8a177da6
PB
79 struct type *index_type;
80 struct type *range_type;
81 LONGEST low_bound;
82 LONGEST high_bound;
8fbdca53 83
a8a69e63
FF
84 QUIT;
85
86 wrap_here (" ");
87 if (type == NULL)
88 {
89 fputs_filtered ("<type unknown>", stream);
90 return;
91 }
92
93 /* When SHOW is zero or less, and there is a valid type name, then always
94 just print the type name directly from the type. */
95
96 if ((show <= 0) && (TYPE_NAME (type) != NULL))
97 {
98 fputs_filtered (TYPE_NAME (type), stream);
99 return;
100 }
101
dda398c3
JK
102 check_stub_type (type);
103
a8a69e63
FF
104 switch (TYPE_CODE (type))
105 {
a8a69e63 106 case TYPE_CODE_PTR:
8a177da6
PB
107 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
108 {
3bcf4181
PB
109 fprintf_filtered (stream,
110 TYPE_NAME (type) ? TYPE_NAME (type) : "PTR");
8a177da6
PB
111 break;
112 }
113 fprintf_filtered (stream, "REF ");
114 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
115 break;
116
11b959da 117 case TYPE_CODE_BOOL:
61932a8e
JK
118 /* FIXME: we should probably just print the TYPE_NAME, in case
119 anyone ever fixes the compiler to give us the real names
120 in the presence of the chill equivalent of typedef (assuming
121 there is one). */
3bcf4181
PB
122 fprintf_filtered (stream,
123 TYPE_NAME (type) ? TYPE_NAME (type) : "BOOL");
11b959da
FF
124 break;
125
8a177da6
PB
126 case TYPE_CODE_ARRAY:
127 range_type = TYPE_FIELD_TYPE (type, 0);
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 fputs_filtered ("ARRAY (", stream);
132 print_type_scalar (index_type, low_bound, stream);
133 fputs_filtered (":", stream);
134 print_type_scalar (index_type, high_bound, stream);
135 fputs_filtered (") ", stream);
136 chill_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
137 break;
138
cba00921
PB
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
e909f287
PB
144 case TYPE_CODE_SET:
145 fputs_filtered ("POWERSET ", stream);
6f52d064 146 chill_print_type (TYPE_INDEX_TYPE (type), "", stream,
cba00921 147 show - 1, level);
e909f287
PB
148 break;
149
8a177da6
PB
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);
cba00921 154 fputs_filtered ("CHARS (", stream);
8a177da6
PB
155 print_type_scalar (index_type, high_bound + 1, stream);
156 fputs_filtered (")", stream);
157 break;
158
a8a69e63 159 case TYPE_CODE_MEMBER:
8a177da6
PB
160 fprintf_filtered (stream, "MEMBER ");
161 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
162 break;
a8a69e63 163 case TYPE_CODE_REF:
8a177da6
PB
164 fprintf_filtered (stream, "/*LOC*/ ");
165 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
166 break;
a8a69e63 167 case TYPE_CODE_FUNC:
27202b6a
PB
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, show, level);
182 fputs_filtered (" LOC", stream);
183 }
184 else
185 chill_type_print_base (param_type, stream, show, level);
186 }
187 fprintf_filtered (stream, ")");
6d34c236
PB
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, show, level);
192 fputs_filtered (")", stream);
193 }
8fbdca53
FF
194 break;
195
196 case TYPE_CODE_STRUCT:
6073b8de 197 if (chill_varying_type (type))
8fbdca53 198 {
cba00921
PB
199 chill_type_print_base (TYPE_FIELD_TYPE (type, 1),
200 stream, show, level);
201 fputs_filtered (" VARYING", stream);
8fbdca53
FF
202 }
203 else
204 {
cba00921
PB
205 fprintf_filtered (stream, "STRUCT ");
206
8fbdca53
FF
207 fprintf_filtered (stream, "(\n");
208 if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
209 {
210 if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
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 {
11b959da 224 struct type *field_type = TYPE_FIELD_TYPE (type, i);
8fbdca53
FF
225 QUIT;
226 print_spaces_filtered (level + 4, stream);
11b959da
FF
227 if (TYPE_CODE (field_type) == TYPE_CODE_UNION)
228 { int j; /* variant number */
229 fputs_filtered ("CASE OF\n", stream);
230 for (j = 0; j < TYPE_NFIELDS (field_type); j++)
231 { int k; /* variant field index */
232 struct type *variant_type
233 = TYPE_FIELD_TYPE (field_type, j);
234 int var_len = TYPE_NFIELDS (variant_type);
235 print_spaces_filtered (level + 4, stream);
236 if (strcmp (TYPE_FIELD_NAME (field_type, j),
237 "else") == 0)
238 fputs_filtered ("ELSE\n", stream);
239 else
240 fputs_filtered (":\n", stream);
241 if (TYPE_CODE (variant_type) != TYPE_CODE_STRUCT)
242 error ("variant record confusion");
243 for (k = 0; k < var_len; k++)
244 {
245 print_spaces_filtered (level + 8, stream);
246 chill_print_type (TYPE_FIELD_TYPE (variant_type, k),
247 TYPE_FIELD_NAME (variant_type, k),
248 stream, show - 1, level + 8);
249 if (k < (var_len - 1))
250 fputs_filtered (",", stream);
251 fputs_filtered ("\n", stream);
252 }
253 }
254 fputs_filtered ("ESAC\n", stream);
255 }
256 else
257 chill_print_type (field_type,
258 TYPE_FIELD_NAME (type, i),
259 stream, show - 1, level + 4);
8fbdca53
FF
260 if (i < (len - 1))
261 {
262 fputs_filtered (",", stream);
263 }
264 fputs_filtered ("\n", stream);
265 }
266 }
267 fprintfi_filtered (level, stream, ")");
268 }
a8a69e63
FF
269 break;
270
11b959da 271 case TYPE_CODE_RANGE:
42fca93e
PB
272 if (TYPE_DUMMY_RANGE (type) > 0)
273 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
274 else
11b959da 275 {
42fca93e
PB
276 struct type *target = TYPE_TARGET_TYPE (type);
277 if (target && TYPE_NAME (target))
278 fputs_filtered (TYPE_NAME (target), stream);
279 else
280 fputs_filtered ("RANGE", stream);
281 if (target == NULL)
282 target = builtin_type_long;
11b959da 283 fputs_filtered (" (", stream);
42fca93e 284 print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
11b959da 285 fputs_filtered (":", stream);
42fca93e 286 print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
11b959da
FF
287 fputs_filtered (")", stream);
288 }
11b959da
FF
289 break;
290
cba00921
PB
291 case TYPE_CODE_ENUM:
292 {
293 register int lastval = 0;
294 fprintf_filtered (stream, "SET (");
295 len = TYPE_NFIELDS (type);
296 for (i = 0; i < len; i++)
297 {
298 QUIT;
299 if (i) fprintf_filtered (stream, ", ");
300 wrap_here (" ");
301 fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
302 if (lastval != TYPE_FIELD_BITPOS (type, i))
303 {
304 fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
305 lastval = TYPE_FIELD_BITPOS (type, i);
306 }
307 lastval++;
308 }
309 fprintf_filtered (stream, ")");
310 }
311 break;
312
a8a69e63
FF
313 case TYPE_CODE_VOID:
314 case TYPE_CODE_UNDEF:
315 case TYPE_CODE_ERROR:
a8a69e63 316 case TYPE_CODE_UNION:
a8a69e63 317 case TYPE_CODE_METHOD:
8fbdca53 318 error ("missing language support in chill_type_print_base");
a8a69e63
FF
319 break;
320
321 default:
322
323 /* Handle types not explicitly handled by the other cases,
324 such as fundamental types. For these, just print whatever
325 the type name is, as recorded in the type itself. If there
326 is no type name, then complain. */
327
328 if (TYPE_NAME (type) != NULL)
329 {
330 fputs_filtered (TYPE_NAME (type), stream);
331 }
332 else
333 {
334 error ("Unrecognized type code (%d) in symbol table.",
335 TYPE_CODE (type));
336 }
337 break;
338 }
339}
This page took 0.13433 seconds and 4 git commands to generate.