Commit | Line | Data |
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14f9c5c9 | 1 | /* Support for printing Ada types for GDB, the GNU debugger. |
ecd75fc8 | 2 | Copyright (C) 1986-2014 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" | |
14f9c5c9 | 35 | #include <ctype.h> |
14f9c5c9 | 36 | |
83e3a93c PH |
37 | static int print_selected_record_field_types (struct type *, struct type *, |
38 | int, int, | |
79d43c61 TT |
39 | struct ui_file *, int, int, |
40 | const struct type_print_options *); | |
aba02109 | 41 | |
d2e4a39e | 42 | static int print_record_field_types (struct type *, struct type *, |
79d43c61 TT |
43 | struct ui_file *, int, int, |
44 | const struct type_print_options *); | |
14f9c5c9 AS |
45 | \f |
46 | ||
d2e4a39e AS |
47 | |
48 | static char *name_buffer; | |
14f9c5c9 AS |
49 | static int name_buffer_len; |
50 | ||
4c4b4cd2 PH |
51 | /* The (decoded) Ada name of TYPE. This value persists until the |
52 | next call. */ | |
14f9c5c9 | 53 | |
d2e4a39e | 54 | static char * |
4c4b4cd2 | 55 | decoded_type_name (struct type *type) |
14f9c5c9 AS |
56 | { |
57 | if (ada_type_name (type) == NULL) | |
58 | return NULL; | |
d2e4a39e | 59 | else |
14f9c5c9 | 60 | { |
0d5cff50 | 61 | const char *raw_name = ada_type_name (type); |
d2e4a39e | 62 | char *s, *q; |
14f9c5c9 AS |
63 | |
64 | if (name_buffer == NULL || name_buffer_len <= strlen (raw_name)) | |
65 | { | |
66 | name_buffer_len = 16 + 2 * strlen (raw_name); | |
67 | name_buffer = xrealloc (name_buffer, name_buffer_len); | |
68 | } | |
69 | strcpy (name_buffer, raw_name); | |
70 | ||
d2e4a39e | 71 | s = (char *) strstr (name_buffer, "___"); |
14f9c5c9 AS |
72 | if (s != NULL) |
73 | *s = '\0'; | |
74 | ||
75 | s = name_buffer + strlen (name_buffer) - 1; | |
76 | while (s > name_buffer && (s[0] != '_' || s[-1] != '_')) | |
77 | s -= 1; | |
78 | ||
79 | if (s == name_buffer) | |
80 | return name_buffer; | |
81 | ||
d2e4a39e | 82 | if (!islower (s[1])) |
14f9c5c9 AS |
83 | return NULL; |
84 | ||
85 | for (s = q = name_buffer; *s != '\0'; q += 1) | |
86 | { | |
87 | if (s[0] == '_' && s[1] == '_') | |
88 | { | |
d2e4a39e AS |
89 | *q = '.'; |
90 | s += 2; | |
14f9c5c9 AS |
91 | } |
92 | else | |
93 | { | |
d2e4a39e AS |
94 | *q = *s; |
95 | s += 1; | |
14f9c5c9 AS |
96 | } |
97 | } | |
98 | *q = '\0'; | |
99 | return name_buffer; | |
100 | } | |
101 | } | |
102 | ||
fb151210 JB |
103 | /* Return nonzero if TYPE is a subrange type, and its bounds |
104 | are identical to the bounds of its subtype. */ | |
105 | ||
106 | static int | |
107 | type_is_full_subrange_of_target_type (struct type *type) | |
108 | { | |
109 | struct type *subtype; | |
110 | ||
111 | if (TYPE_CODE (type) != TYPE_CODE_RANGE) | |
112 | return 0; | |
113 | ||
114 | subtype = TYPE_TARGET_TYPE (type); | |
115 | if (subtype == NULL) | |
116 | return 0; | |
117 | ||
950c97d8 JB |
118 | if (is_dynamic_type (type)) |
119 | return 0; | |
120 | ||
fb151210 JB |
121 | if (ada_discrete_type_low_bound (type) |
122 | != ada_discrete_type_low_bound (subtype)) | |
123 | return 0; | |
124 | ||
125 | if (ada_discrete_type_high_bound (type) | |
126 | != ada_discrete_type_high_bound (subtype)) | |
127 | return 0; | |
128 | ||
129 | return 1; | |
130 | } | |
131 | ||
132 | /* Print TYPE on STREAM, preferably as a range if BOUNDS_PREFERED_P | |
133 | is nonzero. */ | |
14f9c5c9 AS |
134 | |
135 | static void | |
fb151210 JB |
136 | print_range (struct type *type, struct ui_file *stream, |
137 | int bounds_prefered_p) | |
14f9c5c9 | 138 | { |
fb151210 JB |
139 | if (!bounds_prefered_p) |
140 | { | |
141 | /* Try stripping all TYPE_CODE_RANGE layers whose bounds | |
142 | are identical to the bounds of their subtype. When | |
143 | the bounds of both types match, it can allow us to | |
144 | print a range using the name of its base type, which | |
145 | is easier to read. For instance, we would print... | |
146 | ||
147 | array (character) of ... | |
148 | ||
149 | ... instead of... | |
150 | ||
151 | array ('["00"]' .. '["ff"]') of ... */ | |
152 | while (type_is_full_subrange_of_target_type (type)) | |
153 | type = TYPE_TARGET_TYPE (type); | |
154 | } | |
155 | ||
43bbcdc2 | 156 | switch (TYPE_CODE (type)) |
14f9c5c9 AS |
157 | { |
158 | case TYPE_CODE_RANGE: | |
14f9c5c9 | 159 | case TYPE_CODE_ENUM: |
43bbcdc2 PH |
160 | { |
161 | struct type *target_type; | |
950c97d8 | 162 | volatile struct gdb_exception e; |
ded4fc8f | 163 | LONGEST lo = 0, hi = 0; /* init for gcc -Wall */ |
e62e21fd | 164 | |
43bbcdc2 PH |
165 | target_type = TYPE_TARGET_TYPE (type); |
166 | if (target_type == NULL) | |
167 | target_type = type; | |
950c97d8 JB |
168 | |
169 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
170 | { | |
171 | lo = ada_discrete_type_low_bound (type); | |
172 | hi = ada_discrete_type_high_bound (type); | |
173 | } | |
174 | if (e.reason < 0) | |
175 | { | |
176 | /* This can happen when the range is dynamic. Sometimes, | |
177 | resolving dynamic property values requires us to have | |
178 | access to an actual object, which is not available | |
179 | when the user is using the "ptype" command on a type. | |
180 | Print the range as an unbounded range. */ | |
181 | fprintf_filtered (stream, "<>"); | |
182 | } | |
183 | else | |
184 | { | |
185 | ada_print_scalar (target_type, lo, stream); | |
186 | fprintf_filtered (stream, " .. "); | |
187 | ada_print_scalar (target_type, hi, stream); | |
188 | } | |
43bbcdc2 | 189 | } |
14f9c5c9 AS |
190 | break; |
191 | default: | |
14f9c5c9 | 192 | fprintf_filtered (stream, "%.*s", |
d2e4a39e AS |
193 | ada_name_prefix_len (TYPE_NAME (type)), |
194 | TYPE_NAME (type)); | |
43bbcdc2 | 195 | break; |
14f9c5c9 AS |
196 | } |
197 | } | |
198 | ||
199 | /* Print the number or discriminant bound at BOUNDS+*N on STREAM, and | |
4c4b4cd2 | 200 | set *N past the bound and its delimiter, if any. */ |
14f9c5c9 AS |
201 | |
202 | static void | |
d2e4a39e AS |
203 | print_range_bound (struct type *type, char *bounds, int *n, |
204 | struct ui_file *stream) | |
14f9c5c9 AS |
205 | { |
206 | LONGEST B; | |
5b4ee69b | 207 | |
14f9c5c9 AS |
208 | if (ada_scan_number (bounds, *n, &B, n)) |
209 | { | |
4c4b4cd2 PH |
210 | /* STABS decodes all range types which bounds are 0 .. -1 as |
211 | unsigned integers (ie. the type code is TYPE_CODE_INT, not | |
212 | TYPE_CODE_RANGE). Unfortunately, ada_print_scalar() relies | |
213 | on the unsigned flag to determine whether the bound should | |
214 | be printed as a signed or an unsigned value. This causes | |
215 | the upper bound of the 0 .. -1 range types to be printed as | |
216 | a very large unsigned number instead of -1. | |
7c964f07 UW |
217 | To workaround this stabs deficiency, we replace the TYPE by NULL |
218 | to indicate default output when we detect that the bound is negative, | |
4c4b4cd2 PH |
219 | and the type is a TYPE_CODE_INT. The bound is negative when |
220 | 'm' is the last character of the number scanned in BOUNDS. */ | |
221 | if (bounds[*n - 1] == 'm' && TYPE_CODE (type) == TYPE_CODE_INT) | |
7c964f07 | 222 | type = NULL; |
14f9c5c9 AS |
223 | ada_print_scalar (type, B, stream); |
224 | if (bounds[*n] == '_') | |
225 | *n += 2; | |
226 | } | |
227 | else | |
228 | { | |
229 | int bound_len; | |
d2e4a39e AS |
230 | char *bound = bounds + *n; |
231 | char *pend; | |
14f9c5c9 AS |
232 | |
233 | pend = strstr (bound, "__"); | |
234 | if (pend == NULL) | |
235 | *n += bound_len = strlen (bound); | |
d2e4a39e | 236 | else |
14f9c5c9 AS |
237 | { |
238 | bound_len = pend - bound; | |
239 | *n += bound_len + 2; | |
240 | } | |
241 | fprintf_filtered (stream, "%.*s", bound_len, bound); | |
242 | } | |
243 | } | |
244 | ||
245 | /* Assuming NAME[0 .. NAME_LEN-1] is the name of a range type, print | |
246 | the value (if found) of the bound indicated by SUFFIX ("___L" or | |
4c4b4cd2 | 247 | "___U") according to the ___XD conventions. */ |
14f9c5c9 AS |
248 | |
249 | static void | |
d2e4a39e AS |
250 | print_dynamic_range_bound (struct type *type, const char *name, int name_len, |
251 | const char *suffix, struct ui_file *stream) | |
14f9c5c9 AS |
252 | { |
253 | static char *name_buf = NULL; | |
254 | static size_t name_buf_len = 0; | |
255 | LONGEST B; | |
256 | int OK; | |
257 | ||
258 | GROW_VECT (name_buf, name_buf_len, name_len + strlen (suffix) + 1); | |
259 | strncpy (name_buf, name, name_len); | |
260 | strcpy (name_buf + name_len, suffix); | |
261 | ||
4c4b4cd2 | 262 | B = get_int_var_value (name_buf, &OK); |
14f9c5c9 AS |
263 | if (OK) |
264 | ada_print_scalar (type, B, stream); | |
265 | else | |
266 | fprintf_filtered (stream, "?"); | |
267 | } | |
268 | ||
28c85d6c | 269 | /* Print RAW_TYPE as a range type, using any bound information |
fb151210 JB |
270 | following the GNAT encoding (if available). |
271 | ||
272 | If BOUNDS_PREFERED_P is nonzero, force the printing of the range | |
273 | using its bounds. Otherwise, try printing the range without | |
274 | printing the value of the bounds, if possible (this is only | |
275 | considered a hint, not a guaranty). */ | |
14f9c5c9 AS |
276 | |
277 | static void | |
fb151210 JB |
278 | print_range_type (struct type *raw_type, struct ui_file *stream, |
279 | int bounds_prefered_p) | |
14f9c5c9 | 280 | { |
0d5cff50 | 281 | const char *name; |
14f9c5c9 | 282 | struct type *base_type; |
0d5cff50 | 283 | const char *subtype_info; |
14f9c5c9 | 284 | |
28c85d6c JB |
285 | gdb_assert (raw_type != NULL); |
286 | name = TYPE_NAME (raw_type); | |
287 | gdb_assert (name != NULL); | |
1ce677a4 UW |
288 | |
289 | if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE) | |
14f9c5c9 AS |
290 | base_type = TYPE_TARGET_TYPE (raw_type); |
291 | else | |
292 | base_type = raw_type; | |
293 | ||
294 | subtype_info = strstr (name, "___XD"); | |
1ce677a4 | 295 | if (subtype_info == NULL) |
fb151210 | 296 | print_range (raw_type, stream, bounds_prefered_p); |
14f9c5c9 AS |
297 | else |
298 | { | |
299 | int prefix_len = subtype_info - name; | |
300 | char *bounds_str; | |
301 | int n; | |
302 | ||
303 | subtype_info += 5; | |
304 | bounds_str = strchr (subtype_info, '_'); | |
305 | n = 1; | |
306 | ||
d2e4a39e | 307 | if (*subtype_info == 'L') |
14f9c5c9 | 308 | { |
4c4b4cd2 | 309 | print_range_bound (base_type, bounds_str, &n, stream); |
14f9c5c9 AS |
310 | subtype_info += 1; |
311 | } | |
312 | else | |
4c4b4cd2 | 313 | print_dynamic_range_bound (base_type, name, prefix_len, "___L", |
d2e4a39e | 314 | stream); |
14f9c5c9 AS |
315 | |
316 | fprintf_filtered (stream, " .. "); | |
317 | ||
d2e4a39e | 318 | if (*subtype_info == 'U') |
4c4b4cd2 | 319 | print_range_bound (base_type, bounds_str, &n, stream); |
14f9c5c9 | 320 | else |
4c4b4cd2 | 321 | print_dynamic_range_bound (base_type, name, prefix_len, "___U", |
d2e4a39e | 322 | stream); |
14f9c5c9 | 323 | } |
d2e4a39e | 324 | } |
14f9c5c9 | 325 | |
4c4b4cd2 | 326 | /* Print enumerated type TYPE on STREAM. */ |
14f9c5c9 AS |
327 | |
328 | static void | |
ebf56fd3 | 329 | print_enum_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
330 | { |
331 | int len = TYPE_NFIELDS (type); | |
14e75d8e JK |
332 | int i; |
333 | LONGEST lastval; | |
14f9c5c9 AS |
334 | |
335 | fprintf_filtered (stream, "("); | |
336 | wrap_here (" "); | |
337 | ||
338 | lastval = 0; | |
339 | for (i = 0; i < len; i++) | |
340 | { | |
341 | QUIT; | |
d2e4a39e AS |
342 | if (i) |
343 | fprintf_filtered (stream, ", "); | |
14f9c5c9 AS |
344 | wrap_here (" "); |
345 | fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream); | |
14e75d8e | 346 | if (lastval != TYPE_FIELD_ENUMVAL (type, i)) |
14f9c5c9 | 347 | { |
14e75d8e JK |
348 | fprintf_filtered (stream, " => %s", |
349 | plongest (TYPE_FIELD_ENUMVAL (type, i))); | |
350 | lastval = TYPE_FIELD_ENUMVAL (type, i); | |
14f9c5c9 AS |
351 | } |
352 | lastval += 1; | |
353 | } | |
354 | fprintf_filtered (stream, ")"); | |
355 | } | |
356 | ||
4c4b4cd2 | 357 | /* Print representation of Ada fixed-point type TYPE on STREAM. */ |
14f9c5c9 AS |
358 | |
359 | static void | |
ebf56fd3 | 360 | print_fixed_point_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
361 | { |
362 | DOUBLEST delta = ada_delta (type); | |
363 | DOUBLEST small = ada_fixed_to_float (type, 1.0); | |
364 | ||
365 | if (delta < 0.0) | |
366 | fprintf_filtered (stream, "delta ??"); | |
367 | else | |
368 | { | |
369 | fprintf_filtered (stream, "delta %g", (double) delta); | |
d2e4a39e | 370 | if (delta != small) |
14f9c5c9 AS |
371 | fprintf_filtered (stream, " <'small = %g>", (double) small); |
372 | } | |
373 | } | |
374 | ||
4c4b4cd2 PH |
375 | /* Print simple (constrained) array type TYPE on STREAM. LEVEL is the |
376 | recursion (indentation) level, in case the element type itself has | |
14f9c5c9 | 377 | nested structure, and SHOW is the number of levels of internal |
4c4b4cd2 | 378 | structure to show (see ada_print_type). */ |
14f9c5c9 AS |
379 | |
380 | static void | |
d2e4a39e | 381 | print_array_type (struct type *type, struct ui_file *stream, int show, |
79d43c61 | 382 | int level, const struct type_print_options *flags) |
14f9c5c9 AS |
383 | { |
384 | int bitsize; | |
385 | int n_indices; | |
386 | ||
ad82864c | 387 | if (ada_is_constrained_packed_array_type (type)) |
727e3d2e JB |
388 | type = ada_coerce_to_simple_array_type (type); |
389 | ||
14f9c5c9 AS |
390 | bitsize = 0; |
391 | fprintf_filtered (stream, "array ("); | |
392 | ||
cb249c71 TT |
393 | if (type == NULL) |
394 | { | |
395 | fprintf_filtered (stream, _("<undecipherable array type>")); | |
396 | return; | |
397 | } | |
398 | ||
14f9c5c9 | 399 | n_indices = -1; |
54ae186f | 400 | if (ada_is_simple_array_type (type)) |
14f9c5c9 | 401 | { |
54ae186f JB |
402 | struct type *range_desc_type; |
403 | struct type *arr_type; | |
14f9c5c9 | 404 | |
54ae186f JB |
405 | range_desc_type = ada_find_parallel_type (type, "___XA"); |
406 | ada_fixup_array_indexes_type (range_desc_type); | |
28c85d6c | 407 | |
54ae186f JB |
408 | bitsize = 0; |
409 | if (range_desc_type == NULL) | |
410 | { | |
411 | for (arr_type = type; TYPE_CODE (arr_type) == TYPE_CODE_ARRAY; | |
412 | arr_type = TYPE_TARGET_TYPE (arr_type)) | |
14f9c5c9 | 413 | { |
54ae186f JB |
414 | if (arr_type != type) |
415 | fprintf_filtered (stream, ", "); | |
fb151210 JB |
416 | print_range (TYPE_INDEX_TYPE (arr_type), stream, |
417 | 0 /* bounds_prefered_p */); | |
54ae186f JB |
418 | if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0) |
419 | bitsize = TYPE_FIELD_BITSIZE (arr_type, 0); | |
14f9c5c9 AS |
420 | } |
421 | } | |
d2e4a39e | 422 | else |
14f9c5c9 | 423 | { |
54ae186f | 424 | int k; |
5b4ee69b | 425 | |
54ae186f JB |
426 | n_indices = TYPE_NFIELDS (range_desc_type); |
427 | for (k = 0, arr_type = type; | |
428 | k < n_indices; | |
429 | k += 1, arr_type = TYPE_TARGET_TYPE (arr_type)) | |
430 | { | |
431 | if (k > 0) | |
432 | fprintf_filtered (stream, ", "); | |
433 | print_range_type (TYPE_FIELD_TYPE (range_desc_type, k), | |
fb151210 | 434 | stream, 0 /* bounds_prefered_p */); |
54ae186f JB |
435 | if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0) |
436 | bitsize = TYPE_FIELD_BITSIZE (arr_type, 0); | |
437 | } | |
14f9c5c9 AS |
438 | } |
439 | } | |
54ae186f JB |
440 | else |
441 | { | |
442 | int i, i0; | |
443 | ||
444 | for (i = i0 = ada_array_arity (type); i > 0; i -= 1) | |
445 | fprintf_filtered (stream, "%s<>", i == i0 ? "" : ", "); | |
446 | } | |
14f9c5c9 AS |
447 | |
448 | fprintf_filtered (stream, ") of "); | |
449 | wrap_here (""); | |
d2e4a39e | 450 | ada_print_type (ada_array_element_type (type, n_indices), "", stream, |
79d43c61 | 451 | show == 0 ? 0 : show - 1, level + 1, flags); |
14f9c5c9 AS |
452 | if (bitsize > 0) |
453 | fprintf_filtered (stream, " <packed: %d-bit elements>", bitsize); | |
454 | } | |
455 | ||
456 | /* Print the choices encoded by field FIELD_NUM of variant-part TYPE on | |
83e3a93c | 457 | STREAM, assuming that VAL_TYPE (if non-NULL) is the type of the |
feb864b7 | 458 | values. Return non-zero if the field is an encoding of |
83e3a93c PH |
459 | discriminant values, as in a standard variant record, and 0 if the |
460 | field is not so encoded (as happens with single-component variants | |
feb864b7 | 461 | in types annotated with pragma Unchecked_Variant). */ |
14f9c5c9 | 462 | |
83e3a93c | 463 | static int |
d2e4a39e AS |
464 | print_choices (struct type *type, int field_num, struct ui_file *stream, |
465 | struct type *val_type) | |
14f9c5c9 AS |
466 | { |
467 | int have_output; | |
468 | int p; | |
d2e4a39e | 469 | const char *name = TYPE_FIELD_NAME (type, field_num); |
14f9c5c9 AS |
470 | |
471 | have_output = 0; | |
472 | ||
4c4b4cd2 | 473 | /* Skip over leading 'V': NOTE soon to be obsolete. */ |
14f9c5c9 AS |
474 | if (name[0] == 'V') |
475 | { | |
d2e4a39e | 476 | if (!ada_scan_number (name, 1, NULL, &p)) |
14f9c5c9 AS |
477 | goto Huh; |
478 | } | |
479 | else | |
480 | p = 0; | |
481 | ||
482 | while (1) | |
483 | { | |
d2e4a39e | 484 | switch (name[p]) |
14f9c5c9 AS |
485 | { |
486 | default: | |
83e3a93c PH |
487 | goto Huh; |
488 | case '_': | |
489 | case '\0': | |
490 | fprintf_filtered (stream, " =>"); | |
491 | return 1; | |
14f9c5c9 AS |
492 | case 'S': |
493 | case 'R': | |
494 | case 'O': | |
d2e4a39e | 495 | if (have_output) |
14f9c5c9 AS |
496 | fprintf_filtered (stream, " | "); |
497 | have_output = 1; | |
498 | break; | |
499 | } | |
500 | ||
d2e4a39e | 501 | switch (name[p]) |
14f9c5c9 AS |
502 | { |
503 | case 'S': | |
504 | { | |
505 | LONGEST W; | |
5b4ee69b | 506 | |
d2e4a39e | 507 | if (!ada_scan_number (name, p + 1, &W, &p)) |
14f9c5c9 AS |
508 | goto Huh; |
509 | ada_print_scalar (val_type, W, stream); | |
510 | break; | |
511 | } | |
512 | case 'R': | |
513 | { | |
514 | LONGEST L, U; | |
5b4ee69b | 515 | |
d2e4a39e AS |
516 | if (!ada_scan_number (name, p + 1, &L, &p) |
517 | || name[p] != 'T' || !ada_scan_number (name, p + 1, &U, &p)) | |
14f9c5c9 AS |
518 | goto Huh; |
519 | ada_print_scalar (val_type, L, stream); | |
520 | fprintf_filtered (stream, " .. "); | |
521 | ada_print_scalar (val_type, U, stream); | |
522 | break; | |
523 | } | |
524 | case 'O': | |
525 | fprintf_filtered (stream, "others"); | |
526 | p += 1; | |
527 | break; | |
528 | } | |
529 | } | |
530 | ||
531 | Huh: | |
83e3a93c PH |
532 | fprintf_filtered (stream, "?? =>"); |
533 | return 0; | |
14f9c5c9 AS |
534 | } |
535 | ||
83e3a93c PH |
536 | /* Assuming that field FIELD_NUM of TYPE represents variants whose |
537 | discriminant is contained in OUTER_TYPE, print its components on STREAM. | |
538 | LEVEL is the recursion (indentation) level, in case any of the fields | |
539 | themselves have nested structure, and SHOW is the number of levels of | |
540 | internal structure to show (see ada_print_type). For this purpose, | |
541 | fields nested in a variant part are taken to be at the same level as | |
542 | the fields immediately outside the variant part. */ | |
14f9c5c9 AS |
543 | |
544 | static void | |
ebf56fd3 AS |
545 | print_variant_clauses (struct type *type, int field_num, |
546 | struct type *outer_type, struct ui_file *stream, | |
79d43c61 TT |
547 | int show, int level, |
548 | const struct type_print_options *flags) | |
14f9c5c9 AS |
549 | { |
550 | int i; | |
4c4b4cd2 | 551 | struct type *var_type, *par_type; |
14f9c5c9 AS |
552 | struct type *discr_type; |
553 | ||
554 | var_type = TYPE_FIELD_TYPE (type, field_num); | |
555 | discr_type = ada_variant_discrim_type (var_type, outer_type); | |
556 | ||
557 | if (TYPE_CODE (var_type) == TYPE_CODE_PTR) | |
558 | { | |
559 | var_type = TYPE_TARGET_TYPE (var_type); | |
4c4b4cd2 PH |
560 | if (var_type == NULL || TYPE_CODE (var_type) != TYPE_CODE_UNION) |
561 | return; | |
14f9c5c9 AS |
562 | } |
563 | ||
4c4b4cd2 PH |
564 | par_type = ada_find_parallel_type (var_type, "___XVU"); |
565 | if (par_type != NULL) | |
566 | var_type = par_type; | |
567 | ||
d2e4a39e | 568 | for (i = 0; i < TYPE_NFIELDS (var_type); i += 1) |
14f9c5c9 AS |
569 | { |
570 | fprintf_filtered (stream, "\n%*swhen ", level + 4, ""); | |
83e3a93c PH |
571 | if (print_choices (var_type, i, stream, discr_type)) |
572 | { | |
573 | if (print_record_field_types (TYPE_FIELD_TYPE (var_type, i), | |
79d43c61 TT |
574 | outer_type, stream, show, level + 4, |
575 | flags) | |
83e3a93c PH |
576 | <= 0) |
577 | fprintf_filtered (stream, " null;"); | |
578 | } | |
579 | else | |
580 | print_selected_record_field_types (var_type, outer_type, i, i, | |
79d43c61 | 581 | stream, show, level + 4, flags); |
14f9c5c9 AS |
582 | } |
583 | } | |
584 | ||
4c4b4cd2 | 585 | /* Assuming that field FIELD_NUM of TYPE is a variant part whose |
14f9c5c9 | 586 | discriminants are contained in OUTER_TYPE, print a description of it |
4c4b4cd2 PH |
587 | on STREAM. LEVEL is the recursion (indentation) level, in case any of |
588 | the fields themselves have nested structure, and SHOW is the number of | |
589 | levels of internal structure to show (see ada_print_type). For this | |
590 | purpose, fields nested in a variant part are taken to be at the same | |
591 | level as the fields immediately outside the variant part. */ | |
14f9c5c9 AS |
592 | |
593 | static void | |
ebf56fd3 | 594 | print_variant_part (struct type *type, int field_num, struct type *outer_type, |
79d43c61 TT |
595 | struct ui_file *stream, int show, int level, |
596 | const struct type_print_options *flags) | |
14f9c5c9 AS |
597 | { |
598 | fprintf_filtered (stream, "\n%*scase %s is", level + 4, "", | |
d2e4a39e AS |
599 | ada_variant_discrim_name |
600 | (TYPE_FIELD_TYPE (type, field_num))); | |
601 | print_variant_clauses (type, field_num, outer_type, stream, show, | |
79d43c61 | 602 | level + 4, flags); |
14f9c5c9 AS |
603 | fprintf_filtered (stream, "\n%*send case;", level + 4, ""); |
604 | } | |
605 | ||
83e3a93c PH |
606 | /* Print a description on STREAM of the fields FLD0 through FLD1 in |
607 | record or union type TYPE, whose discriminants are in OUTER_TYPE. | |
608 | LEVEL is the recursion (indentation) level, in case any of the | |
609 | fields themselves have nested structure, and SHOW is the number of | |
610 | levels of internal structure to show (see ada_print_type). Does | |
feb864b7 | 611 | not print parent type information of TYPE. Returns 0 if no fields |
83e3a93c PH |
612 | printed, -1 for an incomplete type, else > 0. Prints each field |
613 | beginning on a new line, but does not put a new line at end. */ | |
14f9c5c9 AS |
614 | |
615 | static int | |
83e3a93c PH |
616 | print_selected_record_field_types (struct type *type, struct type *outer_type, |
617 | int fld0, int fld1, | |
79d43c61 TT |
618 | struct ui_file *stream, int show, int level, |
619 | const struct type_print_options *flags) | |
14f9c5c9 | 620 | { |
83e3a93c | 621 | int i, flds; |
14f9c5c9 AS |
622 | |
623 | flds = 0; | |
14f9c5c9 | 624 | |
83e3a93c | 625 | if (fld0 > fld1 && TYPE_STUB (type)) |
14f9c5c9 AS |
626 | return -1; |
627 | ||
83e3a93c | 628 | for (i = fld0; i <= fld1; i += 1) |
14f9c5c9 AS |
629 | { |
630 | QUIT; | |
631 | ||
d2e4a39e | 632 | if (ada_is_parent_field (type, i) || ada_is_ignored_field (type, i)) |
14f9c5c9 AS |
633 | ; |
634 | else if (ada_is_wrapper_field (type, i)) | |
635 | flds += print_record_field_types (TYPE_FIELD_TYPE (type, i), type, | |
79d43c61 | 636 | stream, show, level, flags); |
d2e4a39e | 637 | else if (ada_is_variant_part (type, i)) |
14f9c5c9 | 638 | { |
79d43c61 | 639 | print_variant_part (type, i, outer_type, stream, show, level, flags); |
14f9c5c9 AS |
640 | flds = 1; |
641 | } | |
642 | else | |
643 | { | |
644 | flds += 1; | |
645 | fprintf_filtered (stream, "\n%*s", level + 4, ""); | |
646 | ada_print_type (TYPE_FIELD_TYPE (type, i), | |
647 | TYPE_FIELD_NAME (type, i), | |
79d43c61 | 648 | stream, show - 1, level + 4, flags); |
14f9c5c9 AS |
649 | fprintf_filtered (stream, ";"); |
650 | } | |
651 | } | |
652 | ||
653 | return flds; | |
654 | } | |
655 | ||
83e3a93c PH |
656 | /* Print a description on STREAM of all fields of record or union type |
657 | TYPE, as for print_selected_record_field_types, above. */ | |
658 | ||
659 | static int | |
660 | print_record_field_types (struct type *type, struct type *outer_type, | |
79d43c61 TT |
661 | struct ui_file *stream, int show, int level, |
662 | const struct type_print_options *flags) | |
83e3a93c PH |
663 | { |
664 | return print_selected_record_field_types (type, outer_type, | |
665 | 0, TYPE_NFIELDS (type) - 1, | |
79d43c61 | 666 | stream, show, level, flags); |
83e3a93c PH |
667 | } |
668 | ||
669 | ||
4c4b4cd2 PH |
670 | /* Print record type TYPE on STREAM. LEVEL is the recursion (indentation) |
671 | level, in case the element type itself has nested structure, and SHOW is | |
672 | the number of levels of internal structure to show (see ada_print_type). */ | |
14f9c5c9 AS |
673 | |
674 | static void | |
d2e4a39e | 675 | print_record_type (struct type *type0, struct ui_file *stream, int show, |
79d43c61 | 676 | int level, const struct type_print_options *flags) |
14f9c5c9 | 677 | { |
d2e4a39e AS |
678 | struct type *parent_type; |
679 | struct type *type; | |
680 | ||
4c4b4cd2 PH |
681 | type = ada_find_parallel_type (type0, "___XVE"); |
682 | if (type == NULL) | |
683 | type = type0; | |
14f9c5c9 AS |
684 | |
685 | parent_type = ada_parent_type (type); | |
d2e4a39e | 686 | if (ada_type_name (parent_type) != NULL) |
25552254 JB |
687 | { |
688 | const char *parent_name = decoded_type_name (parent_type); | |
689 | ||
690 | /* If we fail to decode the parent type name, then use the parent | |
691 | type name as is. Not pretty, but should never happen except | |
692 | when the debugging info is incomplete or incorrect. This | |
693 | prevents a crash trying to print a NULL pointer. */ | |
694 | if (parent_name == NULL) | |
695 | parent_name = ada_type_name (parent_type); | |
696 | fprintf_filtered (stream, "new %s with record", parent_name); | |
697 | } | |
4c4b4cd2 | 698 | else if (parent_type == NULL && ada_is_tagged_type (type, 0)) |
0b48a291 PH |
699 | fprintf_filtered (stream, "tagged record"); |
700 | else | |
701 | fprintf_filtered (stream, "record"); | |
14f9c5c9 AS |
702 | |
703 | if (show < 0) | |
0b48a291 | 704 | fprintf_filtered (stream, " ... end record"); |
14f9c5c9 AS |
705 | else |
706 | { | |
707 | int flds; | |
708 | ||
709 | flds = 0; | |
710 | if (parent_type != NULL && ada_type_name (parent_type) == NULL) | |
d2e4a39e | 711 | flds += print_record_field_types (parent_type, parent_type, |
79d43c61 TT |
712 | stream, show, level, flags); |
713 | flds += print_record_field_types (type, type, stream, show, level, | |
714 | flags); | |
d2e4a39e | 715 | |
14f9c5c9 | 716 | if (flds > 0) |
0b48a291 | 717 | fprintf_filtered (stream, "\n%*send record", level, ""); |
d2e4a39e | 718 | else if (flds < 0) |
323e0a4a | 719 | fprintf_filtered (stream, _(" <incomplete type> end record")); |
d2e4a39e | 720 | else |
0b48a291 | 721 | fprintf_filtered (stream, " null; end record"); |
14f9c5c9 AS |
722 | } |
723 | } | |
724 | ||
725 | /* Print the unchecked union type TYPE in something resembling Ada | |
4c4b4cd2 | 726 | format on STREAM. LEVEL is the recursion (indentation) level |
14f9c5c9 | 727 | in case the element type itself has nested structure, and SHOW is the |
4c4b4cd2 | 728 | number of levels of internal structure to show (see ada_print_type). */ |
14f9c5c9 | 729 | static void |
d2e4a39e | 730 | print_unchecked_union_type (struct type *type, struct ui_file *stream, |
79d43c61 TT |
731 | int show, int level, |
732 | const struct type_print_options *flags) | |
14f9c5c9 | 733 | { |
14f9c5c9 | 734 | if (show < 0) |
0b48a291 | 735 | fprintf_filtered (stream, "record (?) is ... end record"); |
d2e4a39e | 736 | else if (TYPE_NFIELDS (type) == 0) |
0b48a291 | 737 | fprintf_filtered (stream, "record (?) is null; end record"); |
14f9c5c9 AS |
738 | else |
739 | { | |
740 | int i; | |
741 | ||
0b48a291 | 742 | fprintf_filtered (stream, "record (?) is\n%*scase ? is", level + 4, ""); |
14f9c5c9 | 743 | |
d2e4a39e | 744 | for (i = 0; i < TYPE_NFIELDS (type); i += 1) |
14f9c5c9 | 745 | { |
0b48a291 | 746 | fprintf_filtered (stream, "\n%*swhen ? =>\n%*s", level + 8, "", |
d2e4a39e | 747 | level + 12, ""); |
14f9c5c9 AS |
748 | ada_print_type (TYPE_FIELD_TYPE (type, i), |
749 | TYPE_FIELD_NAME (type, i), | |
79d43c61 | 750 | stream, show - 1, level + 12, flags); |
14f9c5c9 AS |
751 | fprintf_filtered (stream, ";"); |
752 | } | |
753 | ||
0b48a291 | 754 | fprintf_filtered (stream, "\n%*send case;\n%*send record", |
d2e4a39e | 755 | level + 4, "", level, ""); |
14f9c5c9 AS |
756 | } |
757 | } | |
d2e4a39e | 758 | |
14f9c5c9 AS |
759 | |
760 | ||
761 | /* Print function or procedure type TYPE on STREAM. Make it a header | |
4c4b4cd2 | 762 | for function or procedure NAME if NAME is not null. */ |
14f9c5c9 AS |
763 | |
764 | static void | |
79d43c61 TT |
765 | print_func_type (struct type *type, struct ui_file *stream, const char *name, |
766 | const struct type_print_options *flags) | |
14f9c5c9 AS |
767 | { |
768 | int i, len = TYPE_NFIELDS (type); | |
769 | ||
770 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID) | |
771 | fprintf_filtered (stream, "procedure"); | |
772 | else | |
773 | fprintf_filtered (stream, "function"); | |
774 | ||
d2e4a39e | 775 | if (name != NULL && name[0] != '\0') |
14f9c5c9 AS |
776 | fprintf_filtered (stream, " %s", name); |
777 | ||
d2e4a39e | 778 | if (len > 0) |
14f9c5c9 AS |
779 | { |
780 | fprintf_filtered (stream, " ("); | |
781 | for (i = 0; i < len; i += 1) | |
782 | { | |
783 | if (i > 0) | |
784 | { | |
785 | fputs_filtered ("; ", stream); | |
786 | wrap_here (" "); | |
787 | } | |
d2e4a39e | 788 | fprintf_filtered (stream, "a%d: ", i + 1); |
79d43c61 TT |
789 | ada_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0, |
790 | flags); | |
14f9c5c9 AS |
791 | } |
792 | fprintf_filtered (stream, ")"); | |
d2e4a39e | 793 | } |
14f9c5c9 AS |
794 | |
795 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
796 | { | |
797 | fprintf_filtered (stream, " return "); | |
79d43c61 | 798 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0, flags); |
14f9c5c9 AS |
799 | } |
800 | } | |
801 | ||
802 | ||
803 | /* Print a description of a type TYPE0. | |
804 | Output goes to STREAM (via stdio). | |
805 | If VARSTRING is a non-empty string, print as an Ada variable/field | |
806 | declaration. | |
4c4b4cd2 | 807 | SHOW+1 is the maximum number of levels of internal type structure |
14f9c5c9 AS |
808 | to show (this applies to record types, enumerated types, and |
809 | array types). | |
810 | SHOW is the number of levels of internal type structure to show | |
4c4b4cd2 | 811 | when there is a type name for the SHOWth deepest level (0th is |
14f9c5c9 AS |
812 | outer level). |
813 | When SHOW<0, no inner structure is shown. | |
4c4b4cd2 | 814 | LEVEL indicates level of recursion (for nested definitions). */ |
14f9c5c9 AS |
815 | |
816 | void | |
25b524e8 | 817 | ada_print_type (struct type *type0, const char *varstring, |
79d43c61 TT |
818 | struct ui_file *stream, int show, int level, |
819 | const struct type_print_options *flags) | |
14f9c5c9 | 820 | { |
61ee279c | 821 | struct type *type = ada_check_typedef (ada_get_base_type (type0)); |
f192137b | 822 | char *type_name = decoded_type_name (type0); |
14f9c5c9 AS |
823 | int is_var_decl = (varstring != NULL && varstring[0] != '\0'); |
824 | ||
825 | if (type == NULL) | |
826 | { | |
827 | if (is_var_decl) | |
828 | fprintf_filtered (stream, "%.*s: ", | |
d2e4a39e | 829 | ada_name_prefix_len (varstring), varstring); |
14f9c5c9 AS |
830 | fprintf_filtered (stream, "<null type?>"); |
831 | return; | |
832 | } | |
833 | ||
834 | if (show > 0) | |
61ee279c | 835 | type = ada_check_typedef (type); |
14f9c5c9 AS |
836 | |
837 | if (is_var_decl && TYPE_CODE (type) != TYPE_CODE_FUNC) | |
d2e4a39e AS |
838 | fprintf_filtered (stream, "%.*s: ", |
839 | ada_name_prefix_len (varstring), varstring); | |
14f9c5c9 | 840 | |
d2d43431 | 841 | if (type_name != NULL && show <= 0 && !ada_is_aligner_type (type)) |
14f9c5c9 | 842 | { |
d2e4a39e | 843 | fprintf_filtered (stream, "%.*s", |
14f9c5c9 AS |
844 | ada_name_prefix_len (type_name), type_name); |
845 | return; | |
846 | } | |
847 | ||
848 | if (ada_is_aligner_type (type)) | |
79d43c61 | 849 | ada_print_type (ada_aligned_type (type), "", stream, show, level, flags); |
d2d43431 JB |
850 | else if (ada_is_constrained_packed_array_type (type) |
851 | && TYPE_CODE (type) != TYPE_CODE_PTR) | |
79d43c61 | 852 | print_array_type (type, stream, show, level, flags); |
14f9c5c9 | 853 | else |
d2e4a39e AS |
854 | switch (TYPE_CODE (type)) |
855 | { | |
856 | default: | |
857 | fprintf_filtered (stream, "<"); | |
79d43c61 | 858 | c_print_type (type, "", stream, show, level, flags); |
d2e4a39e AS |
859 | fprintf_filtered (stream, ">"); |
860 | break; | |
861 | case TYPE_CODE_PTR: | |
720d1a40 | 862 | case TYPE_CODE_TYPEDEF: |
d2e4a39e | 863 | fprintf_filtered (stream, "access "); |
79d43c61 TT |
864 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level, |
865 | flags); | |
d2e4a39e AS |
866 | break; |
867 | case TYPE_CODE_REF: | |
868 | fprintf_filtered (stream, "<ref> "); | |
79d43c61 TT |
869 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level, |
870 | flags); | |
d2e4a39e AS |
871 | break; |
872 | case TYPE_CODE_ARRAY: | |
79d43c61 | 873 | print_array_type (type, stream, show, level, flags); |
d2e4a39e | 874 | break; |
690cc4eb PH |
875 | case TYPE_CODE_BOOL: |
876 | fprintf_filtered (stream, "(false, true)"); | |
877 | break; | |
d2e4a39e AS |
878 | case TYPE_CODE_INT: |
879 | if (ada_is_fixed_point_type (type)) | |
880 | print_fixed_point_type (type, stream); | |
d2e4a39e AS |
881 | else |
882 | { | |
0d5cff50 | 883 | const char *name = ada_type_name (type); |
5b4ee69b | 884 | |
d2e4a39e | 885 | if (!ada_is_range_type_name (name)) |
e1d5a0d2 | 886 | fprintf_filtered (stream, _("<%d-byte integer>"), |
d2e4a39e AS |
887 | TYPE_LENGTH (type)); |
888 | else | |
889 | { | |
890 | fprintf_filtered (stream, "range "); | |
fb151210 | 891 | print_range_type (type, stream, 1 /* bounds_prefered_p */); |
d2e4a39e AS |
892 | } |
893 | } | |
894 | break; | |
895 | case TYPE_CODE_RANGE: | |
896 | if (ada_is_fixed_point_type (type)) | |
897 | print_fixed_point_type (type, stream); | |
d2e4a39e | 898 | else if (ada_is_modular_type (type)) |
529cad9c PH |
899 | fprintf_filtered (stream, "mod %s", |
900 | int_string (ada_modulus (type), 10, 0, 0, 1)); | |
d2e4a39e AS |
901 | else |
902 | { | |
903 | fprintf_filtered (stream, "range "); | |
fb151210 | 904 | print_range (type, stream, 1 /* bounds_prefered_p */); |
d2e4a39e AS |
905 | } |
906 | break; | |
907 | case TYPE_CODE_FLT: | |
e1d5a0d2 | 908 | fprintf_filtered (stream, _("<%d-byte float>"), TYPE_LENGTH (type)); |
d2e4a39e AS |
909 | break; |
910 | case TYPE_CODE_ENUM: | |
911 | if (show < 0) | |
912 | fprintf_filtered (stream, "(...)"); | |
913 | else | |
914 | print_enum_type (type, stream); | |
915 | break; | |
916 | case TYPE_CODE_STRUCT: | |
4c4b4cd2 | 917 | if (ada_is_array_descriptor_type (type)) |
79d43c61 | 918 | print_array_type (type, stream, show, level, flags); |
d2e4a39e AS |
919 | else if (ada_is_bogus_array_descriptor (type)) |
920 | fprintf_filtered (stream, | |
e1d5a0d2 | 921 | _("array (?) of ? (<mal-formed descriptor>)")); |
d2e4a39e | 922 | else |
79d43c61 | 923 | print_record_type (type, stream, show, level, flags); |
d2e4a39e AS |
924 | break; |
925 | case TYPE_CODE_UNION: | |
79d43c61 | 926 | print_unchecked_union_type (type, stream, show, level, flags); |
d2e4a39e AS |
927 | break; |
928 | case TYPE_CODE_FUNC: | |
79d43c61 | 929 | print_func_type (type, stream, varstring, flags); |
d2e4a39e AS |
930 | break; |
931 | } | |
14f9c5c9 | 932 | } |
be942545 JB |
933 | |
934 | /* Implement the la_print_typedef language method for Ada. */ | |
935 | ||
936 | void | |
937 | ada_print_typedef (struct type *type, struct symbol *new_symbol, | |
938 | struct ui_file *stream) | |
939 | { | |
940 | type = ada_check_typedef (type); | |
79d43c61 | 941 | ada_print_type (type, "", stream, 0, 0, &type_print_raw_options); |
be942545 JB |
942 | fprintf_filtered (stream, "\n"); |
943 | } |