Commit | Line | Data |
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14f9c5c9 | 1 | /* Support for printing Ada types for GDB, the GNU debugger. |
28e7fd62 | 2 | Copyright (C) 1986-2013 Free Software Foundation, Inc. |
14f9c5c9 | 3 | |
a9762ec7 | 4 | This file is part of GDB. |
14f9c5c9 | 5 | |
a9762ec7 JB |
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 3 of the License, or | |
9 | (at your option) any later version. | |
14f9c5c9 | 10 | |
a9762ec7 JB |
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. | |
14f9c5c9 | 15 | |
a9762ec7 JB |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
14f9c5c9 AS |
18 | |
19 | #include "defs.h" | |
04ea0df1 | 20 | #include "gdb_obstack.h" |
14f9c5c9 AS |
21 | #include "bfd.h" /* Binary File Description */ |
22 | #include "symtab.h" | |
23 | #include "gdbtypes.h" | |
24 | #include "expression.h" | |
25 | #include "value.h" | |
26 | #include "gdbcore.h" | |
27 | #include "target.h" | |
28 | #include "command.h" | |
29 | #include "gdbcmd.h" | |
30 | #include "language.h" | |
31 | #include "demangle.h" | |
32 | #include "c-lang.h" | |
33 | #include "typeprint.h" | |
34 | #include "ada-lang.h" | |
35 | ||
36 | #include <ctype.h> | |
0e9f083f | 37 | #include <string.h> |
14f9c5c9 AS |
38 | #include <errno.h> |
39 | ||
83e3a93c PH |
40 | static int print_selected_record_field_types (struct type *, struct type *, |
41 | int, int, | |
79d43c61 TT |
42 | struct ui_file *, int, int, |
43 | const struct type_print_options *); | |
83e3a93c | 44 | |
d2e4a39e | 45 | static int print_record_field_types (struct type *, struct type *, |
79d43c61 TT |
46 | struct ui_file *, int, int, |
47 | const struct type_print_options *); | |
14f9c5c9 | 48 | |
79d43c61 TT |
49 | static void print_array_type (struct type *, struct ui_file *, int, int, |
50 | const struct type_print_options *); | |
14f9c5c9 | 51 | |
83e3a93c PH |
52 | static int print_choices (struct type *, int, struct ui_file *, |
53 | struct type *); | |
14f9c5c9 | 54 | |
d2e4a39e | 55 | static void print_range (struct type *, struct ui_file *); |
14f9c5c9 | 56 | |
d2e4a39e AS |
57 | static void print_range_bound (struct type *, char *, int *, |
58 | struct ui_file *); | |
14f9c5c9 | 59 | |
d2e4a39e AS |
60 | static void |
61 | print_dynamic_range_bound (struct type *, const char *, int, | |
62 | const char *, struct ui_file *); | |
14f9c5c9 | 63 | |
28c85d6c | 64 | static void print_range_type (struct type *, struct ui_file *); |
14f9c5c9 AS |
65 | \f |
66 | ||
d2e4a39e AS |
67 | |
68 | static char *name_buffer; | |
14f9c5c9 AS |
69 | static int name_buffer_len; |
70 | ||
4c4b4cd2 PH |
71 | /* The (decoded) Ada name of TYPE. This value persists until the |
72 | next call. */ | |
14f9c5c9 | 73 | |
d2e4a39e | 74 | static char * |
4c4b4cd2 | 75 | decoded_type_name (struct type *type) |
14f9c5c9 AS |
76 | { |
77 | if (ada_type_name (type) == NULL) | |
78 | return NULL; | |
d2e4a39e | 79 | else |
14f9c5c9 | 80 | { |
0d5cff50 | 81 | const char *raw_name = ada_type_name (type); |
d2e4a39e | 82 | char *s, *q; |
14f9c5c9 AS |
83 | |
84 | if (name_buffer == NULL || name_buffer_len <= strlen (raw_name)) | |
85 | { | |
86 | name_buffer_len = 16 + 2 * strlen (raw_name); | |
87 | name_buffer = xrealloc (name_buffer, name_buffer_len); | |
88 | } | |
89 | strcpy (name_buffer, raw_name); | |
90 | ||
d2e4a39e | 91 | s = (char *) strstr (name_buffer, "___"); |
14f9c5c9 AS |
92 | if (s != NULL) |
93 | *s = '\0'; | |
94 | ||
95 | s = name_buffer + strlen (name_buffer) - 1; | |
96 | while (s > name_buffer && (s[0] != '_' || s[-1] != '_')) | |
97 | s -= 1; | |
98 | ||
99 | if (s == name_buffer) | |
100 | return name_buffer; | |
101 | ||
d2e4a39e | 102 | if (!islower (s[1])) |
14f9c5c9 AS |
103 | return NULL; |
104 | ||
105 | for (s = q = name_buffer; *s != '\0'; q += 1) | |
106 | { | |
107 | if (s[0] == '_' && s[1] == '_') | |
108 | { | |
d2e4a39e AS |
109 | *q = '.'; |
110 | s += 2; | |
14f9c5c9 AS |
111 | } |
112 | else | |
113 | { | |
d2e4a39e AS |
114 | *q = *s; |
115 | s += 1; | |
14f9c5c9 AS |
116 | } |
117 | } | |
118 | *q = '\0'; | |
119 | return name_buffer; | |
120 | } | |
121 | } | |
122 | ||
43bbcdc2 | 123 | /* Print TYPE on STREAM, preferably as a range. */ |
14f9c5c9 AS |
124 | |
125 | static void | |
d2e4a39e | 126 | print_range (struct type *type, struct ui_file *stream) |
14f9c5c9 | 127 | { |
43bbcdc2 | 128 | switch (TYPE_CODE (type)) |
14f9c5c9 AS |
129 | { |
130 | case TYPE_CODE_RANGE: | |
14f9c5c9 | 131 | case TYPE_CODE_ENUM: |
43bbcdc2 PH |
132 | { |
133 | struct type *target_type; | |
134 | target_type = TYPE_TARGET_TYPE (type); | |
135 | if (target_type == NULL) | |
136 | target_type = type; | |
137 | ada_print_scalar (target_type, ada_discrete_type_low_bound (type), | |
138 | stream); | |
139 | fprintf_filtered (stream, " .. "); | |
140 | ada_print_scalar (target_type, ada_discrete_type_high_bound (type), | |
141 | stream); | |
142 | } | |
14f9c5c9 AS |
143 | break; |
144 | default: | |
14f9c5c9 | 145 | fprintf_filtered (stream, "%.*s", |
d2e4a39e AS |
146 | ada_name_prefix_len (TYPE_NAME (type)), |
147 | TYPE_NAME (type)); | |
43bbcdc2 | 148 | break; |
14f9c5c9 AS |
149 | } |
150 | } | |
151 | ||
152 | /* Print the number or discriminant bound at BOUNDS+*N on STREAM, and | |
4c4b4cd2 | 153 | set *N past the bound and its delimiter, if any. */ |
14f9c5c9 AS |
154 | |
155 | static void | |
d2e4a39e AS |
156 | print_range_bound (struct type *type, char *bounds, int *n, |
157 | struct ui_file *stream) | |
14f9c5c9 AS |
158 | { |
159 | LONGEST B; | |
5b4ee69b | 160 | |
14f9c5c9 AS |
161 | if (ada_scan_number (bounds, *n, &B, n)) |
162 | { | |
4c4b4cd2 PH |
163 | /* STABS decodes all range types which bounds are 0 .. -1 as |
164 | unsigned integers (ie. the type code is TYPE_CODE_INT, not | |
165 | TYPE_CODE_RANGE). Unfortunately, ada_print_scalar() relies | |
166 | on the unsigned flag to determine whether the bound should | |
167 | be printed as a signed or an unsigned value. This causes | |
168 | the upper bound of the 0 .. -1 range types to be printed as | |
169 | a very large unsigned number instead of -1. | |
7c964f07 UW |
170 | To workaround this stabs deficiency, we replace the TYPE by NULL |
171 | to indicate default output when we detect that the bound is negative, | |
4c4b4cd2 PH |
172 | and the type is a TYPE_CODE_INT. The bound is negative when |
173 | 'm' is the last character of the number scanned in BOUNDS. */ | |
174 | if (bounds[*n - 1] == 'm' && TYPE_CODE (type) == TYPE_CODE_INT) | |
7c964f07 | 175 | type = NULL; |
14f9c5c9 AS |
176 | ada_print_scalar (type, B, stream); |
177 | if (bounds[*n] == '_') | |
178 | *n += 2; | |
179 | } | |
180 | else | |
181 | { | |
182 | int bound_len; | |
d2e4a39e AS |
183 | char *bound = bounds + *n; |
184 | char *pend; | |
14f9c5c9 AS |
185 | |
186 | pend = strstr (bound, "__"); | |
187 | if (pend == NULL) | |
188 | *n += bound_len = strlen (bound); | |
d2e4a39e | 189 | else |
14f9c5c9 AS |
190 | { |
191 | bound_len = pend - bound; | |
192 | *n += bound_len + 2; | |
193 | } | |
194 | fprintf_filtered (stream, "%.*s", bound_len, bound); | |
195 | } | |
196 | } | |
197 | ||
198 | /* Assuming NAME[0 .. NAME_LEN-1] is the name of a range type, print | |
199 | the value (if found) of the bound indicated by SUFFIX ("___L" or | |
4c4b4cd2 | 200 | "___U") according to the ___XD conventions. */ |
14f9c5c9 AS |
201 | |
202 | static void | |
d2e4a39e AS |
203 | print_dynamic_range_bound (struct type *type, const char *name, int name_len, |
204 | const char *suffix, struct ui_file *stream) | |
14f9c5c9 AS |
205 | { |
206 | static char *name_buf = NULL; | |
207 | static size_t name_buf_len = 0; | |
208 | LONGEST B; | |
209 | int OK; | |
210 | ||
211 | GROW_VECT (name_buf, name_buf_len, name_len + strlen (suffix) + 1); | |
212 | strncpy (name_buf, name, name_len); | |
213 | strcpy (name_buf + name_len, suffix); | |
214 | ||
4c4b4cd2 | 215 | B = get_int_var_value (name_buf, &OK); |
14f9c5c9 AS |
216 | if (OK) |
217 | ada_print_scalar (type, B, stream); | |
218 | else | |
219 | fprintf_filtered (stream, "?"); | |
220 | } | |
221 | ||
28c85d6c JB |
222 | /* Print RAW_TYPE as a range type, using any bound information |
223 | following the GNAT encoding (if available). */ | |
14f9c5c9 AS |
224 | |
225 | static void | |
28c85d6c | 226 | print_range_type (struct type *raw_type, struct ui_file *stream) |
14f9c5c9 | 227 | { |
0d5cff50 | 228 | const char *name; |
14f9c5c9 | 229 | struct type *base_type; |
0d5cff50 | 230 | const char *subtype_info; |
14f9c5c9 | 231 | |
28c85d6c JB |
232 | gdb_assert (raw_type != NULL); |
233 | name = TYPE_NAME (raw_type); | |
234 | gdb_assert (name != NULL); | |
1ce677a4 UW |
235 | |
236 | if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE) | |
14f9c5c9 AS |
237 | base_type = TYPE_TARGET_TYPE (raw_type); |
238 | else | |
239 | base_type = raw_type; | |
240 | ||
241 | subtype_info = strstr (name, "___XD"); | |
1ce677a4 | 242 | if (subtype_info == NULL) |
14f9c5c9 AS |
243 | print_range (raw_type, stream); |
244 | else | |
245 | { | |
246 | int prefix_len = subtype_info - name; | |
247 | char *bounds_str; | |
248 | int n; | |
249 | ||
250 | subtype_info += 5; | |
251 | bounds_str = strchr (subtype_info, '_'); | |
252 | n = 1; | |
253 | ||
d2e4a39e | 254 | if (*subtype_info == 'L') |
14f9c5c9 | 255 | { |
4c4b4cd2 | 256 | print_range_bound (base_type, bounds_str, &n, stream); |
14f9c5c9 AS |
257 | subtype_info += 1; |
258 | } | |
259 | else | |
4c4b4cd2 | 260 | print_dynamic_range_bound (base_type, name, prefix_len, "___L", |
d2e4a39e | 261 | stream); |
14f9c5c9 AS |
262 | |
263 | fprintf_filtered (stream, " .. "); | |
264 | ||
d2e4a39e | 265 | if (*subtype_info == 'U') |
4c4b4cd2 | 266 | print_range_bound (base_type, bounds_str, &n, stream); |
14f9c5c9 | 267 | else |
4c4b4cd2 | 268 | print_dynamic_range_bound (base_type, name, prefix_len, "___U", |
d2e4a39e | 269 | stream); |
14f9c5c9 | 270 | } |
d2e4a39e | 271 | } |
14f9c5c9 | 272 | |
4c4b4cd2 | 273 | /* Print enumerated type TYPE on STREAM. */ |
14f9c5c9 AS |
274 | |
275 | static void | |
ebf56fd3 | 276 | print_enum_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
277 | { |
278 | int len = TYPE_NFIELDS (type); | |
14e75d8e JK |
279 | int i; |
280 | LONGEST lastval; | |
14f9c5c9 AS |
281 | |
282 | fprintf_filtered (stream, "("); | |
283 | wrap_here (" "); | |
284 | ||
285 | lastval = 0; | |
286 | for (i = 0; i < len; i++) | |
287 | { | |
288 | QUIT; | |
d2e4a39e AS |
289 | if (i) |
290 | fprintf_filtered (stream, ", "); | |
14f9c5c9 AS |
291 | wrap_here (" "); |
292 | fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream); | |
14e75d8e | 293 | if (lastval != TYPE_FIELD_ENUMVAL (type, i)) |
14f9c5c9 | 294 | { |
14e75d8e JK |
295 | fprintf_filtered (stream, " => %s", |
296 | plongest (TYPE_FIELD_ENUMVAL (type, i))); | |
297 | lastval = TYPE_FIELD_ENUMVAL (type, i); | |
14f9c5c9 AS |
298 | } |
299 | lastval += 1; | |
300 | } | |
301 | fprintf_filtered (stream, ")"); | |
302 | } | |
303 | ||
4c4b4cd2 | 304 | /* Print representation of Ada fixed-point type TYPE on STREAM. */ |
14f9c5c9 AS |
305 | |
306 | static void | |
ebf56fd3 | 307 | print_fixed_point_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
308 | { |
309 | DOUBLEST delta = ada_delta (type); | |
310 | DOUBLEST small = ada_fixed_to_float (type, 1.0); | |
311 | ||
312 | if (delta < 0.0) | |
313 | fprintf_filtered (stream, "delta ??"); | |
314 | else | |
315 | { | |
316 | fprintf_filtered (stream, "delta %g", (double) delta); | |
d2e4a39e | 317 | if (delta != small) |
14f9c5c9 AS |
318 | fprintf_filtered (stream, " <'small = %g>", (double) small); |
319 | } | |
320 | } | |
321 | ||
4c4b4cd2 PH |
322 | /* Print simple (constrained) array type TYPE on STREAM. LEVEL is the |
323 | recursion (indentation) level, in case the element type itself has | |
14f9c5c9 | 324 | nested structure, and SHOW is the number of levels of internal |
4c4b4cd2 | 325 | structure to show (see ada_print_type). */ |
14f9c5c9 AS |
326 | |
327 | static void | |
d2e4a39e | 328 | print_array_type (struct type *type, struct ui_file *stream, int show, |
79d43c61 | 329 | int level, const struct type_print_options *flags) |
14f9c5c9 AS |
330 | { |
331 | int bitsize; | |
332 | int n_indices; | |
333 | ||
ad82864c | 334 | if (ada_is_constrained_packed_array_type (type)) |
727e3d2e JB |
335 | type = ada_coerce_to_simple_array_type (type); |
336 | ||
14f9c5c9 AS |
337 | bitsize = 0; |
338 | fprintf_filtered (stream, "array ("); | |
339 | ||
cb249c71 TT |
340 | if (type == NULL) |
341 | { | |
342 | fprintf_filtered (stream, _("<undecipherable array type>")); | |
343 | return; | |
344 | } | |
345 | ||
14f9c5c9 | 346 | n_indices = -1; |
54ae186f | 347 | if (ada_is_simple_array_type (type)) |
14f9c5c9 | 348 | { |
54ae186f JB |
349 | struct type *range_desc_type; |
350 | struct type *arr_type; | |
14f9c5c9 | 351 | |
54ae186f JB |
352 | range_desc_type = ada_find_parallel_type (type, "___XA"); |
353 | ada_fixup_array_indexes_type (range_desc_type); | |
28c85d6c | 354 | |
54ae186f JB |
355 | bitsize = 0; |
356 | if (range_desc_type == NULL) | |
357 | { | |
358 | for (arr_type = type; TYPE_CODE (arr_type) == TYPE_CODE_ARRAY; | |
359 | arr_type = TYPE_TARGET_TYPE (arr_type)) | |
14f9c5c9 | 360 | { |
54ae186f JB |
361 | if (arr_type != type) |
362 | fprintf_filtered (stream, ", "); | |
363 | print_range (TYPE_INDEX_TYPE (arr_type), stream); | |
364 | if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0) | |
365 | bitsize = TYPE_FIELD_BITSIZE (arr_type, 0); | |
14f9c5c9 AS |
366 | } |
367 | } | |
d2e4a39e | 368 | else |
14f9c5c9 | 369 | { |
54ae186f | 370 | int k; |
5b4ee69b | 371 | |
54ae186f JB |
372 | n_indices = TYPE_NFIELDS (range_desc_type); |
373 | for (k = 0, arr_type = type; | |
374 | k < n_indices; | |
375 | k += 1, arr_type = TYPE_TARGET_TYPE (arr_type)) | |
376 | { | |
377 | if (k > 0) | |
378 | fprintf_filtered (stream, ", "); | |
379 | print_range_type (TYPE_FIELD_TYPE (range_desc_type, k), | |
380 | stream); | |
381 | if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0) | |
382 | bitsize = TYPE_FIELD_BITSIZE (arr_type, 0); | |
383 | } | |
14f9c5c9 AS |
384 | } |
385 | } | |
54ae186f JB |
386 | else |
387 | { | |
388 | int i, i0; | |
389 | ||
390 | for (i = i0 = ada_array_arity (type); i > 0; i -= 1) | |
391 | fprintf_filtered (stream, "%s<>", i == i0 ? "" : ", "); | |
392 | } | |
14f9c5c9 AS |
393 | |
394 | fprintf_filtered (stream, ") of "); | |
395 | wrap_here (""); | |
d2e4a39e | 396 | ada_print_type (ada_array_element_type (type, n_indices), "", stream, |
79d43c61 | 397 | show == 0 ? 0 : show - 1, level + 1, flags); |
14f9c5c9 AS |
398 | if (bitsize > 0) |
399 | fprintf_filtered (stream, " <packed: %d-bit elements>", bitsize); | |
400 | } | |
401 | ||
402 | /* Print the choices encoded by field FIELD_NUM of variant-part TYPE on | |
83e3a93c | 403 | STREAM, assuming that VAL_TYPE (if non-NULL) is the type of the |
feb864b7 | 404 | values. Return non-zero if the field is an encoding of |
83e3a93c PH |
405 | discriminant values, as in a standard variant record, and 0 if the |
406 | field is not so encoded (as happens with single-component variants | |
feb864b7 | 407 | in types annotated with pragma Unchecked_Variant). */ |
14f9c5c9 | 408 | |
83e3a93c | 409 | static int |
d2e4a39e AS |
410 | print_choices (struct type *type, int field_num, struct ui_file *stream, |
411 | struct type *val_type) | |
14f9c5c9 AS |
412 | { |
413 | int have_output; | |
414 | int p; | |
d2e4a39e | 415 | const char *name = TYPE_FIELD_NAME (type, field_num); |
14f9c5c9 AS |
416 | |
417 | have_output = 0; | |
418 | ||
4c4b4cd2 | 419 | /* Skip over leading 'V': NOTE soon to be obsolete. */ |
14f9c5c9 AS |
420 | if (name[0] == 'V') |
421 | { | |
d2e4a39e | 422 | if (!ada_scan_number (name, 1, NULL, &p)) |
14f9c5c9 AS |
423 | goto Huh; |
424 | } | |
425 | else | |
426 | p = 0; | |
427 | ||
428 | while (1) | |
429 | { | |
d2e4a39e | 430 | switch (name[p]) |
14f9c5c9 AS |
431 | { |
432 | default: | |
83e3a93c PH |
433 | goto Huh; |
434 | case '_': | |
435 | case '\0': | |
436 | fprintf_filtered (stream, " =>"); | |
437 | return 1; | |
14f9c5c9 AS |
438 | case 'S': |
439 | case 'R': | |
440 | case 'O': | |
d2e4a39e | 441 | if (have_output) |
14f9c5c9 AS |
442 | fprintf_filtered (stream, " | "); |
443 | have_output = 1; | |
444 | break; | |
445 | } | |
446 | ||
d2e4a39e | 447 | switch (name[p]) |
14f9c5c9 AS |
448 | { |
449 | case 'S': | |
450 | { | |
451 | LONGEST W; | |
5b4ee69b | 452 | |
d2e4a39e | 453 | if (!ada_scan_number (name, p + 1, &W, &p)) |
14f9c5c9 AS |
454 | goto Huh; |
455 | ada_print_scalar (val_type, W, stream); | |
456 | break; | |
457 | } | |
458 | case 'R': | |
459 | { | |
460 | LONGEST L, U; | |
5b4ee69b | 461 | |
d2e4a39e AS |
462 | if (!ada_scan_number (name, p + 1, &L, &p) |
463 | || name[p] != 'T' || !ada_scan_number (name, p + 1, &U, &p)) | |
14f9c5c9 AS |
464 | goto Huh; |
465 | ada_print_scalar (val_type, L, stream); | |
466 | fprintf_filtered (stream, " .. "); | |
467 | ada_print_scalar (val_type, U, stream); | |
468 | break; | |
469 | } | |
470 | case 'O': | |
471 | fprintf_filtered (stream, "others"); | |
472 | p += 1; | |
473 | break; | |
474 | } | |
475 | } | |
476 | ||
477 | Huh: | |
83e3a93c PH |
478 | fprintf_filtered (stream, "?? =>"); |
479 | return 0; | |
14f9c5c9 AS |
480 | } |
481 | ||
83e3a93c PH |
482 | /* Assuming that field FIELD_NUM of TYPE represents variants whose |
483 | discriminant is contained in OUTER_TYPE, print its components on STREAM. | |
484 | LEVEL is the recursion (indentation) level, in case any of the fields | |
485 | themselves have nested structure, and SHOW is the number of levels of | |
486 | internal structure to show (see ada_print_type). For this purpose, | |
487 | fields nested in a variant part are taken to be at the same level as | |
488 | the fields immediately outside the variant part. */ | |
14f9c5c9 AS |
489 | |
490 | static void | |
ebf56fd3 AS |
491 | print_variant_clauses (struct type *type, int field_num, |
492 | struct type *outer_type, struct ui_file *stream, | |
79d43c61 TT |
493 | int show, int level, |
494 | const struct type_print_options *flags) | |
14f9c5c9 AS |
495 | { |
496 | int i; | |
4c4b4cd2 | 497 | struct type *var_type, *par_type; |
14f9c5c9 AS |
498 | struct type *discr_type; |
499 | ||
500 | var_type = TYPE_FIELD_TYPE (type, field_num); | |
501 | discr_type = ada_variant_discrim_type (var_type, outer_type); | |
502 | ||
503 | if (TYPE_CODE (var_type) == TYPE_CODE_PTR) | |
504 | { | |
505 | var_type = TYPE_TARGET_TYPE (var_type); | |
4c4b4cd2 PH |
506 | if (var_type == NULL || TYPE_CODE (var_type) != TYPE_CODE_UNION) |
507 | return; | |
14f9c5c9 AS |
508 | } |
509 | ||
4c4b4cd2 PH |
510 | par_type = ada_find_parallel_type (var_type, "___XVU"); |
511 | if (par_type != NULL) | |
512 | var_type = par_type; | |
513 | ||
d2e4a39e | 514 | for (i = 0; i < TYPE_NFIELDS (var_type); i += 1) |
14f9c5c9 AS |
515 | { |
516 | fprintf_filtered (stream, "\n%*swhen ", level + 4, ""); | |
83e3a93c PH |
517 | if (print_choices (var_type, i, stream, discr_type)) |
518 | { | |
519 | if (print_record_field_types (TYPE_FIELD_TYPE (var_type, i), | |
79d43c61 TT |
520 | outer_type, stream, show, level + 4, |
521 | flags) | |
83e3a93c PH |
522 | <= 0) |
523 | fprintf_filtered (stream, " null;"); | |
524 | } | |
525 | else | |
526 | print_selected_record_field_types (var_type, outer_type, i, i, | |
79d43c61 | 527 | stream, show, level + 4, flags); |
14f9c5c9 AS |
528 | } |
529 | } | |
530 | ||
4c4b4cd2 | 531 | /* Assuming that field FIELD_NUM of TYPE is a variant part whose |
14f9c5c9 | 532 | discriminants are contained in OUTER_TYPE, print a description of it |
4c4b4cd2 PH |
533 | on STREAM. LEVEL is the recursion (indentation) level, in case any of |
534 | the fields themselves have nested structure, and SHOW is the number of | |
535 | levels of internal structure to show (see ada_print_type). For this | |
536 | purpose, fields nested in a variant part are taken to be at the same | |
537 | level as the fields immediately outside the variant part. */ | |
14f9c5c9 AS |
538 | |
539 | static void | |
ebf56fd3 | 540 | print_variant_part (struct type *type, int field_num, struct type *outer_type, |
79d43c61 TT |
541 | struct ui_file *stream, int show, int level, |
542 | const struct type_print_options *flags) | |
14f9c5c9 AS |
543 | { |
544 | fprintf_filtered (stream, "\n%*scase %s is", level + 4, "", | |
d2e4a39e AS |
545 | ada_variant_discrim_name |
546 | (TYPE_FIELD_TYPE (type, field_num))); | |
547 | print_variant_clauses (type, field_num, outer_type, stream, show, | |
79d43c61 | 548 | level + 4, flags); |
14f9c5c9 AS |
549 | fprintf_filtered (stream, "\n%*send case;", level + 4, ""); |
550 | } | |
551 | ||
83e3a93c PH |
552 | /* Print a description on STREAM of the fields FLD0 through FLD1 in |
553 | record or union type TYPE, whose discriminants are in OUTER_TYPE. | |
554 | LEVEL is the recursion (indentation) level, in case any of the | |
555 | fields themselves have nested structure, and SHOW is the number of | |
556 | levels of internal structure to show (see ada_print_type). Does | |
feb864b7 | 557 | not print parent type information of TYPE. Returns 0 if no fields |
83e3a93c PH |
558 | printed, -1 for an incomplete type, else > 0. Prints each field |
559 | beginning on a new line, but does not put a new line at end. */ | |
14f9c5c9 AS |
560 | |
561 | static int | |
83e3a93c PH |
562 | print_selected_record_field_types (struct type *type, struct type *outer_type, |
563 | int fld0, int fld1, | |
79d43c61 TT |
564 | struct ui_file *stream, int show, int level, |
565 | const struct type_print_options *flags) | |
14f9c5c9 | 566 | { |
83e3a93c | 567 | int i, flds; |
14f9c5c9 AS |
568 | |
569 | flds = 0; | |
14f9c5c9 | 570 | |
83e3a93c | 571 | if (fld0 > fld1 && TYPE_STUB (type)) |
14f9c5c9 AS |
572 | return -1; |
573 | ||
83e3a93c | 574 | for (i = fld0; i <= fld1; i += 1) |
14f9c5c9 AS |
575 | { |
576 | QUIT; | |
577 | ||
d2e4a39e | 578 | if (ada_is_parent_field (type, i) || ada_is_ignored_field (type, i)) |
14f9c5c9 AS |
579 | ; |
580 | else if (ada_is_wrapper_field (type, i)) | |
581 | flds += print_record_field_types (TYPE_FIELD_TYPE (type, i), type, | |
79d43c61 | 582 | stream, show, level, flags); |
d2e4a39e | 583 | else if (ada_is_variant_part (type, i)) |
14f9c5c9 | 584 | { |
79d43c61 | 585 | print_variant_part (type, i, outer_type, stream, show, level, flags); |
14f9c5c9 AS |
586 | flds = 1; |
587 | } | |
588 | else | |
589 | { | |
590 | flds += 1; | |
591 | fprintf_filtered (stream, "\n%*s", level + 4, ""); | |
592 | ada_print_type (TYPE_FIELD_TYPE (type, i), | |
593 | TYPE_FIELD_NAME (type, i), | |
79d43c61 | 594 | stream, show - 1, level + 4, flags); |
14f9c5c9 AS |
595 | fprintf_filtered (stream, ";"); |
596 | } | |
597 | } | |
598 | ||
599 | return flds; | |
600 | } | |
601 | ||
83e3a93c PH |
602 | /* Print a description on STREAM of all fields of record or union type |
603 | TYPE, as for print_selected_record_field_types, above. */ | |
604 | ||
605 | static int | |
606 | print_record_field_types (struct type *type, struct type *outer_type, | |
79d43c61 TT |
607 | struct ui_file *stream, int show, int level, |
608 | const struct type_print_options *flags) | |
83e3a93c PH |
609 | { |
610 | return print_selected_record_field_types (type, outer_type, | |
611 | 0, TYPE_NFIELDS (type) - 1, | |
79d43c61 | 612 | stream, show, level, flags); |
83e3a93c PH |
613 | } |
614 | ||
615 | ||
4c4b4cd2 PH |
616 | /* Print record type TYPE on STREAM. LEVEL is the recursion (indentation) |
617 | level, in case the element type itself has nested structure, and SHOW is | |
618 | the number of levels of internal structure to show (see ada_print_type). */ | |
14f9c5c9 AS |
619 | |
620 | static void | |
d2e4a39e | 621 | print_record_type (struct type *type0, struct ui_file *stream, int show, |
79d43c61 | 622 | int level, const struct type_print_options *flags) |
14f9c5c9 | 623 | { |
d2e4a39e AS |
624 | struct type *parent_type; |
625 | struct type *type; | |
626 | ||
4c4b4cd2 PH |
627 | type = ada_find_parallel_type (type0, "___XVE"); |
628 | if (type == NULL) | |
629 | type = type0; | |
14f9c5c9 AS |
630 | |
631 | parent_type = ada_parent_type (type); | |
d2e4a39e | 632 | if (ada_type_name (parent_type) != NULL) |
25552254 JB |
633 | { |
634 | const char *parent_name = decoded_type_name (parent_type); | |
635 | ||
636 | /* If we fail to decode the parent type name, then use the parent | |
637 | type name as is. Not pretty, but should never happen except | |
638 | when the debugging info is incomplete or incorrect. This | |
639 | prevents a crash trying to print a NULL pointer. */ | |
640 | if (parent_name == NULL) | |
641 | parent_name = ada_type_name (parent_type); | |
642 | fprintf_filtered (stream, "new %s with record", parent_name); | |
643 | } | |
4c4b4cd2 | 644 | else if (parent_type == NULL && ada_is_tagged_type (type, 0)) |
0b48a291 PH |
645 | fprintf_filtered (stream, "tagged record"); |
646 | else | |
647 | fprintf_filtered (stream, "record"); | |
14f9c5c9 AS |
648 | |
649 | if (show < 0) | |
0b48a291 | 650 | fprintf_filtered (stream, " ... end record"); |
14f9c5c9 AS |
651 | else |
652 | { | |
653 | int flds; | |
654 | ||
655 | flds = 0; | |
656 | if (parent_type != NULL && ada_type_name (parent_type) == NULL) | |
d2e4a39e | 657 | flds += print_record_field_types (parent_type, parent_type, |
79d43c61 TT |
658 | stream, show, level, flags); |
659 | flds += print_record_field_types (type, type, stream, show, level, | |
660 | flags); | |
d2e4a39e | 661 | |
14f9c5c9 | 662 | if (flds > 0) |
0b48a291 | 663 | fprintf_filtered (stream, "\n%*send record", level, ""); |
d2e4a39e | 664 | else if (flds < 0) |
323e0a4a | 665 | fprintf_filtered (stream, _(" <incomplete type> end record")); |
d2e4a39e | 666 | else |
0b48a291 | 667 | fprintf_filtered (stream, " null; end record"); |
14f9c5c9 AS |
668 | } |
669 | } | |
670 | ||
671 | /* Print the unchecked union type TYPE in something resembling Ada | |
4c4b4cd2 | 672 | format on STREAM. LEVEL is the recursion (indentation) level |
14f9c5c9 | 673 | in case the element type itself has nested structure, and SHOW is the |
4c4b4cd2 | 674 | number of levels of internal structure to show (see ada_print_type). */ |
14f9c5c9 | 675 | static void |
d2e4a39e | 676 | print_unchecked_union_type (struct type *type, struct ui_file *stream, |
79d43c61 TT |
677 | int show, int level, |
678 | const struct type_print_options *flags) | |
14f9c5c9 | 679 | { |
14f9c5c9 | 680 | if (show < 0) |
0b48a291 | 681 | fprintf_filtered (stream, "record (?) is ... end record"); |
d2e4a39e | 682 | else if (TYPE_NFIELDS (type) == 0) |
0b48a291 | 683 | fprintf_filtered (stream, "record (?) is null; end record"); |
14f9c5c9 AS |
684 | else |
685 | { | |
686 | int i; | |
687 | ||
0b48a291 | 688 | fprintf_filtered (stream, "record (?) is\n%*scase ? is", level + 4, ""); |
14f9c5c9 | 689 | |
d2e4a39e | 690 | for (i = 0; i < TYPE_NFIELDS (type); i += 1) |
14f9c5c9 | 691 | { |
0b48a291 | 692 | fprintf_filtered (stream, "\n%*swhen ? =>\n%*s", level + 8, "", |
d2e4a39e | 693 | level + 12, ""); |
14f9c5c9 AS |
694 | ada_print_type (TYPE_FIELD_TYPE (type, i), |
695 | TYPE_FIELD_NAME (type, i), | |
79d43c61 | 696 | stream, show - 1, level + 12, flags); |
14f9c5c9 AS |
697 | fprintf_filtered (stream, ";"); |
698 | } | |
699 | ||
0b48a291 | 700 | fprintf_filtered (stream, "\n%*send case;\n%*send record", |
d2e4a39e | 701 | level + 4, "", level, ""); |
14f9c5c9 AS |
702 | } |
703 | } | |
d2e4a39e | 704 | |
14f9c5c9 AS |
705 | |
706 | ||
707 | /* Print function or procedure type TYPE on STREAM. Make it a header | |
4c4b4cd2 | 708 | for function or procedure NAME if NAME is not null. */ |
14f9c5c9 AS |
709 | |
710 | static void | |
79d43c61 TT |
711 | print_func_type (struct type *type, struct ui_file *stream, const char *name, |
712 | const struct type_print_options *flags) | |
14f9c5c9 AS |
713 | { |
714 | int i, len = TYPE_NFIELDS (type); | |
715 | ||
716 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID) | |
717 | fprintf_filtered (stream, "procedure"); | |
718 | else | |
719 | fprintf_filtered (stream, "function"); | |
720 | ||
d2e4a39e | 721 | if (name != NULL && name[0] != '\0') |
14f9c5c9 AS |
722 | fprintf_filtered (stream, " %s", name); |
723 | ||
d2e4a39e | 724 | if (len > 0) |
14f9c5c9 AS |
725 | { |
726 | fprintf_filtered (stream, " ("); | |
727 | for (i = 0; i < len; i += 1) | |
728 | { | |
729 | if (i > 0) | |
730 | { | |
731 | fputs_filtered ("; ", stream); | |
732 | wrap_here (" "); | |
733 | } | |
d2e4a39e | 734 | fprintf_filtered (stream, "a%d: ", i + 1); |
79d43c61 TT |
735 | ada_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0, |
736 | flags); | |
14f9c5c9 AS |
737 | } |
738 | fprintf_filtered (stream, ")"); | |
d2e4a39e | 739 | } |
14f9c5c9 AS |
740 | |
741 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
742 | { | |
743 | fprintf_filtered (stream, " return "); | |
79d43c61 | 744 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0, flags); |
14f9c5c9 AS |
745 | } |
746 | } | |
747 | ||
748 | ||
749 | /* Print a description of a type TYPE0. | |
750 | Output goes to STREAM (via stdio). | |
751 | If VARSTRING is a non-empty string, print as an Ada variable/field | |
752 | declaration. | |
4c4b4cd2 | 753 | SHOW+1 is the maximum number of levels of internal type structure |
14f9c5c9 AS |
754 | to show (this applies to record types, enumerated types, and |
755 | array types). | |
756 | SHOW is the number of levels of internal type structure to show | |
4c4b4cd2 | 757 | when there is a type name for the SHOWth deepest level (0th is |
14f9c5c9 AS |
758 | outer level). |
759 | When SHOW<0, no inner structure is shown. | |
4c4b4cd2 | 760 | LEVEL indicates level of recursion (for nested definitions). */ |
14f9c5c9 AS |
761 | |
762 | void | |
25b524e8 | 763 | ada_print_type (struct type *type0, const char *varstring, |
79d43c61 TT |
764 | struct ui_file *stream, int show, int level, |
765 | const struct type_print_options *flags) | |
14f9c5c9 | 766 | { |
61ee279c | 767 | struct type *type = ada_check_typedef (ada_get_base_type (type0)); |
f192137b | 768 | char *type_name = decoded_type_name (type0); |
14f9c5c9 AS |
769 | int is_var_decl = (varstring != NULL && varstring[0] != '\0'); |
770 | ||
771 | if (type == NULL) | |
772 | { | |
773 | if (is_var_decl) | |
774 | fprintf_filtered (stream, "%.*s: ", | |
d2e4a39e | 775 | ada_name_prefix_len (varstring), varstring); |
14f9c5c9 AS |
776 | fprintf_filtered (stream, "<null type?>"); |
777 | return; | |
778 | } | |
779 | ||
780 | if (show > 0) | |
61ee279c | 781 | type = ada_check_typedef (type); |
14f9c5c9 AS |
782 | |
783 | if (is_var_decl && TYPE_CODE (type) != TYPE_CODE_FUNC) | |
d2e4a39e AS |
784 | fprintf_filtered (stream, "%.*s: ", |
785 | ada_name_prefix_len (varstring), varstring); | |
14f9c5c9 | 786 | |
d2d43431 | 787 | if (type_name != NULL && show <= 0 && !ada_is_aligner_type (type)) |
14f9c5c9 | 788 | { |
d2e4a39e | 789 | fprintf_filtered (stream, "%.*s", |
14f9c5c9 AS |
790 | ada_name_prefix_len (type_name), type_name); |
791 | return; | |
792 | } | |
793 | ||
794 | if (ada_is_aligner_type (type)) | |
79d43c61 | 795 | ada_print_type (ada_aligned_type (type), "", stream, show, level, flags); |
d2d43431 JB |
796 | else if (ada_is_constrained_packed_array_type (type) |
797 | && TYPE_CODE (type) != TYPE_CODE_PTR) | |
79d43c61 | 798 | print_array_type (type, stream, show, level, flags); |
14f9c5c9 | 799 | else |
d2e4a39e AS |
800 | switch (TYPE_CODE (type)) |
801 | { | |
802 | default: | |
803 | fprintf_filtered (stream, "<"); | |
79d43c61 | 804 | c_print_type (type, "", stream, show, level, flags); |
d2e4a39e AS |
805 | fprintf_filtered (stream, ">"); |
806 | break; | |
807 | case TYPE_CODE_PTR: | |
720d1a40 | 808 | case TYPE_CODE_TYPEDEF: |
d2e4a39e | 809 | fprintf_filtered (stream, "access "); |
79d43c61 TT |
810 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level, |
811 | flags); | |
d2e4a39e AS |
812 | break; |
813 | case TYPE_CODE_REF: | |
814 | fprintf_filtered (stream, "<ref> "); | |
79d43c61 TT |
815 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level, |
816 | flags); | |
d2e4a39e AS |
817 | break; |
818 | case TYPE_CODE_ARRAY: | |
79d43c61 | 819 | print_array_type (type, stream, show, level, flags); |
d2e4a39e | 820 | break; |
690cc4eb PH |
821 | case TYPE_CODE_BOOL: |
822 | fprintf_filtered (stream, "(false, true)"); | |
823 | break; | |
d2e4a39e AS |
824 | case TYPE_CODE_INT: |
825 | if (ada_is_fixed_point_type (type)) | |
826 | print_fixed_point_type (type, stream); | |
d2e4a39e AS |
827 | else |
828 | { | |
0d5cff50 | 829 | const char *name = ada_type_name (type); |
5b4ee69b | 830 | |
d2e4a39e | 831 | if (!ada_is_range_type_name (name)) |
e1d5a0d2 | 832 | fprintf_filtered (stream, _("<%d-byte integer>"), |
d2e4a39e AS |
833 | TYPE_LENGTH (type)); |
834 | else | |
835 | { | |
836 | fprintf_filtered (stream, "range "); | |
28c85d6c | 837 | print_range_type (type, stream); |
d2e4a39e AS |
838 | } |
839 | } | |
840 | break; | |
841 | case TYPE_CODE_RANGE: | |
842 | if (ada_is_fixed_point_type (type)) | |
843 | print_fixed_point_type (type, stream); | |
d2e4a39e | 844 | else if (ada_is_modular_type (type)) |
529cad9c PH |
845 | fprintf_filtered (stream, "mod %s", |
846 | int_string (ada_modulus (type), 10, 0, 0, 1)); | |
d2e4a39e AS |
847 | else |
848 | { | |
849 | fprintf_filtered (stream, "range "); | |
850 | print_range (type, stream); | |
851 | } | |
852 | break; | |
853 | case TYPE_CODE_FLT: | |
e1d5a0d2 | 854 | fprintf_filtered (stream, _("<%d-byte float>"), TYPE_LENGTH (type)); |
d2e4a39e AS |
855 | break; |
856 | case TYPE_CODE_ENUM: | |
857 | if (show < 0) | |
858 | fprintf_filtered (stream, "(...)"); | |
859 | else | |
860 | print_enum_type (type, stream); | |
861 | break; | |
862 | case TYPE_CODE_STRUCT: | |
4c4b4cd2 | 863 | if (ada_is_array_descriptor_type (type)) |
79d43c61 | 864 | print_array_type (type, stream, show, level, flags); |
d2e4a39e AS |
865 | else if (ada_is_bogus_array_descriptor (type)) |
866 | fprintf_filtered (stream, | |
e1d5a0d2 | 867 | _("array (?) of ? (<mal-formed descriptor>)")); |
d2e4a39e | 868 | else |
79d43c61 | 869 | print_record_type (type, stream, show, level, flags); |
d2e4a39e AS |
870 | break; |
871 | case TYPE_CODE_UNION: | |
79d43c61 | 872 | print_unchecked_union_type (type, stream, show, level, flags); |
d2e4a39e AS |
873 | break; |
874 | case TYPE_CODE_FUNC: | |
79d43c61 | 875 | print_func_type (type, stream, varstring, flags); |
d2e4a39e AS |
876 | break; |
877 | } | |
14f9c5c9 | 878 | } |
be942545 JB |
879 | |
880 | /* Implement the la_print_typedef language method for Ada. */ | |
881 | ||
882 | void | |
883 | ada_print_typedef (struct type *type, struct symbol *new_symbol, | |
884 | struct ui_file *stream) | |
885 | { | |
886 | type = ada_check_typedef (type); | |
79d43c61 | 887 | ada_print_type (type, "", stream, 0, 0, &type_print_raw_options); |
be942545 JB |
888 | fprintf_filtered (stream, "\n"); |
889 | } |