Protoization.
[deliverable/binutils-gdb.git] / gdb / ch-typeprint.c
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c906108c 1/* Support for printing Chill types for GDB, the GNU debugger.
d9fcf2fb 2 Copyright 1986, 1988, 1989, 1991, 2000 Free Software Foundation, Inc.
c906108c 3
c5aa993b 4 This file is part of GDB.
c906108c 5
c5aa993b
JM
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
c906108c 10
c5aa993b
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11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
c906108c 15
c5aa993b
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16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
c906108c
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20
21#include "defs.h"
22#include "obstack.h"
23#include "bfd.h" /* Binary File Description */
24#include "symtab.h"
25#include "gdbtypes.h"
26#include "expression.h"
27#include "value.h"
28#include "gdbcore.h"
29#include "target.h"
30#include "command.h"
31#include "gdbcmd.h"
32#include "language.h"
33#include "demangle.h"
34#include "ch-lang.h"
35#include "typeprint.h"
36
37#include "gdb_string.h"
38#include <errno.h>
39
d9fcf2fb 40static void chill_type_print_base (struct type *, struct ui_file *, int, int);
c906108c
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41
42void
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43chill_print_type (struct type *type, char *varstring, struct ui_file *stream,
44 int show, int level)
c906108c
SS
45{
46 if (varstring != NULL && *varstring != '\0')
47 {
48 fputs_filtered (varstring, stream);
49 fputs_filtered (" ", stream);
50 }
51 chill_type_print_base (type, stream, show, level);
52}
53
54/* Print the name of the type (or the ultimate pointer target,
55 function value or array element).
56
57 SHOW nonzero means don't print this type as just its name;
58 show its real definition even if it has a name.
59 SHOW zero means print just typename or tag if there is one
60 SHOW negative means abbreviate structure elements.
61 SHOW is decremented for printing of structure elements.
62
63 LEVEL is the depth to indent by.
64 We increase it for some recursive calls. */
65
66static void
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67chill_type_print_base (struct type *type, struct ui_file *stream, int show,
68 int level)
c906108c
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69{
70 register int len;
71 register int i;
72 struct type *index_type;
73 struct type *range_type;
74 LONGEST low_bound;
75 LONGEST high_bound;
76
77 QUIT;
78
79 wrap_here (" ");
80 if (type == NULL)
81 {
82 fputs_filtered ("<type unknown>", stream);
83 return;
84 }
85
86 /* When SHOW is zero or less, and there is a valid type name, then always
87 just print the type name directly from the type. */
88
89 if ((show <= 0) && (TYPE_NAME (type) != NULL))
90 {
91 fputs_filtered (TYPE_NAME (type), stream);
92 return;
93 }
94
95 if (TYPE_CODE (type) != TYPE_CODE_TYPEDEF)
96 CHECK_TYPEDEF (type);
97
98 switch (TYPE_CODE (type))
99 {
c5aa993b
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100 case TYPE_CODE_TYPEDEF:
101 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
102 break;
103 case TYPE_CODE_PTR:
104 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
105 {
106 fprintf_filtered (stream,
107 TYPE_NAME (type) ? TYPE_NAME (type) : "PTR");
108 break;
109 }
110 fprintf_filtered (stream, "REF ");
111 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
112 break;
113
114 case TYPE_CODE_BOOL:
115 /* FIXME: we should probably just print the TYPE_NAME, in case
116 anyone ever fixes the compiler to give us the real names
117 in the presence of the chill equivalent of typedef (assuming
118 there is one). */
119 fprintf_filtered (stream,
120 TYPE_NAME (type) ? TYPE_NAME (type) : "BOOL");
121 break;
122
123 case TYPE_CODE_ARRAY:
124 fputs_filtered ("ARRAY (", stream);
125 range_type = TYPE_FIELD_TYPE (type, 0);
126 if (TYPE_CODE (range_type) != TYPE_CODE_RANGE)
127 chill_print_type (range_type, "", stream, 0, level);
128 else
129 {
130 index_type = TYPE_TARGET_TYPE (range_type);
131 low_bound = TYPE_FIELD_BITPOS (range_type, 0);
132 high_bound = TYPE_FIELD_BITPOS (range_type, 1);
133 print_type_scalar (index_type, low_bound, stream);
134 fputs_filtered (":", stream);
135 print_type_scalar (index_type, high_bound, stream);
136 }
137 fputs_filtered (") ", stream);
138 chill_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, level);
139 break;
140
141 case TYPE_CODE_BITSTRING:
142 fprintf_filtered (stream, "BOOLS (%d)",
143 TYPE_FIELD_BITPOS (TYPE_FIELD_TYPE (type, 0), 1) + 1);
144 break;
145
146 case TYPE_CODE_SET:
147 fputs_filtered ("POWERSET ", stream);
148 chill_print_type (TYPE_INDEX_TYPE (type), "", stream,
149 show - 1, level);
150 break;
151
152 case TYPE_CODE_STRING:
153 range_type = TYPE_FIELD_TYPE (type, 0);
154 index_type = TYPE_TARGET_TYPE (range_type);
155 high_bound = TYPE_FIELD_BITPOS (range_type, 1);
156 fputs_filtered ("CHARS (", stream);
157 print_type_scalar (index_type, high_bound + 1, stream);
158 fputs_filtered (")", stream);
159 break;
160
161 case TYPE_CODE_MEMBER:
162 fprintf_filtered (stream, "MEMBER ");
163 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
164 break;
165 case TYPE_CODE_REF:
166 fprintf_filtered (stream, "/*LOC*/ ");
167 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
168 break;
169 case TYPE_CODE_FUNC:
170 fprintf_filtered (stream, "PROC (");
171 len = TYPE_NFIELDS (type);
172 for (i = 0; i < len; i++)
173 {
174 struct type *param_type = TYPE_FIELD_TYPE (type, i);
175 if (i > 0)
176 {
177 fputs_filtered (", ", stream);
178 wrap_here (" ");
179 }
180 if (TYPE_CODE (param_type) == TYPE_CODE_REF)
181 {
182 chill_type_print_base (TYPE_TARGET_TYPE (param_type),
183 stream, 0, level);
184 fputs_filtered (" LOC", stream);
185 }
186 else
187 chill_type_print_base (param_type, stream, show, level);
188 }
189 fprintf_filtered (stream, ")");
190 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
191 {
192 fputs_filtered (" RETURNS (", stream);
193 chill_type_print_base (TYPE_TARGET_TYPE (type), stream, 0, level);
194 fputs_filtered (")", stream);
195 }
196 break;
197
198 case TYPE_CODE_STRUCT:
199 if (chill_varying_type (type))
200 {
201 chill_type_print_base (TYPE_FIELD_TYPE (type, 1),
202 stream, 0, level);
203 fputs_filtered (" VARYING", stream);
204 }
205 else
206 {
207 fprintf_filtered (stream, "STRUCT ");
208
209 fprintf_filtered (stream, "(\n");
210 if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
211 {
212 if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
213 {
214 fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
215 }
216 else
217 {
218 fprintfi_filtered (level + 4, stream, "<no data fields>\n");
219 }
220 }
221 else
222 {
223 len = TYPE_NFIELDS (type);
224 for (i = TYPE_N_BASECLASSES (type); i < len; i++)
225 {
226 struct type *field_type = TYPE_FIELD_TYPE (type, i);
227 QUIT;
228 print_spaces_filtered (level + 4, stream);
229 if (TYPE_CODE (field_type) == TYPE_CODE_UNION)
230 {
231 int j; /* variant number */
232 fputs_filtered ("CASE OF\n", stream);
233 for (j = 0; j < TYPE_NFIELDS (field_type); j++)
234 {
235 int k; /* variant field index */
236 struct type *variant_type
237 = TYPE_FIELD_TYPE (field_type, j);
238 int var_len = TYPE_NFIELDS (variant_type);
239 print_spaces_filtered (level + 4, stream);
240 if (strcmp (TYPE_FIELD_NAME (field_type, j),
241 "else") == 0)
242 fputs_filtered ("ELSE\n", stream);
243 else
244 fputs_filtered (":\n", stream);
245 if (TYPE_CODE (variant_type) != TYPE_CODE_STRUCT)
246 error ("variant record confusion");
247 for (k = 0; k < var_len; k++)
248 {
249 print_spaces_filtered (level + 8, stream);
250 chill_print_type (TYPE_FIELD_TYPE (variant_type, k),
251 TYPE_FIELD_NAME (variant_type, k),
252 stream, show - 1, level + 8);
253 if (k < (var_len - 1))
254 fputs_filtered (",", stream);
255 fputs_filtered ("\n", stream);
256 }
257 }
258 print_spaces_filtered (level + 4, stream);
259 fputs_filtered ("ESAC", stream);
260 }
261 else
262 chill_print_type (field_type,
263 TYPE_FIELD_NAME (type, i),
264 stream, show - 1, level + 4);
265 if (i < (len - 1))
266 {
267 fputs_filtered (",", stream);
268 }
269 fputs_filtered ("\n", stream);
270 }
271 }
272 fprintfi_filtered (level, stream, ")");
273 }
274 break;
275
276 case TYPE_CODE_RANGE:
277 {
278 struct type *target = TYPE_TARGET_TYPE (type);
279 if (target && TYPE_NAME (target))
280 fputs_filtered (TYPE_NAME (target), stream);
c906108c 281 else
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282 fputs_filtered ("RANGE", stream);
283 if (target == NULL)
284 target = builtin_type_long;
285 fputs_filtered (" (", stream);
286 print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
287 fputs_filtered (":", stream);
288 print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
c906108c 289 fputs_filtered (")", stream);
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290 }
291 break;
292
293 case TYPE_CODE_ENUM:
294 {
295 register int lastval = 0;
296 fprintf_filtered (stream, "SET (");
c906108c
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297 len = TYPE_NFIELDS (type);
298 for (i = 0; i < len; i++)
299 {
c5aa993b
JM
300 QUIT;
301 if (i)
302 fprintf_filtered (stream, ", ");
303 wrap_here (" ");
304 fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
305 if (lastval != TYPE_FIELD_BITPOS (type, i))
c906108c 306 {
c5aa993b
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307 fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i));
308 lastval = TYPE_FIELD_BITPOS (type, i);
c906108c 309 }
c5aa993b 310 lastval++;
c906108c
SS
311 }
312 fprintf_filtered (stream, ")");
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313 }
314 break;
c906108c 315
c5aa993b
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316 case TYPE_CODE_VOID:
317 case TYPE_CODE_UNDEF:
318 case TYPE_CODE_ERROR:
319 case TYPE_CODE_UNION:
320 case TYPE_CODE_METHOD:
321 error ("missing language support in chill_type_print_base");
322 break;
c906108c 323
c5aa993b 324 default:
c906108c 325
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326 /* Handle types not explicitly handled by the other cases,
327 such as fundamental types. For these, just print whatever
328 the type name is, as recorded in the type itself. If there
329 is no type name, then complain. */
c906108c 330
c5aa993b 331 if (TYPE_NAME (type) != NULL)
c906108c 332 {
c5aa993b 333 fputs_filtered (TYPE_NAME (type), stream);
c906108c 334 }
c5aa993b
JM
335 else
336 {
337 error ("Unrecognized type code (%d) in symbol table.",
338 TYPE_CODE (type));
339 }
340 break;
341 }
c906108c 342}
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