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a8a69e63 FF |
1 | /* Support for printing Chill types for GDB, the GNU debugger. |
2 | Copyright 1986, 1988, 1989, 1991 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GDB. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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., 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 | 35 | |
2b576293 | 36 | #include "gdb_string.h" |
a8a69e63 FF |
37 | #include <errno.h> |
38 | ||
8fbdca53 | 39 | static void |
199b2450 | 40 | chill_type_print_base PARAMS ((struct type *, GDB_FILE *, int, int)); |
a8a69e63 FF |
41 | |
42 | void | |
43 | chill_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 |
70 | static void |
71 | chill_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 | } |