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[deliverable/binutils-gdb.git] / gdb / ada-typeprint.c
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14f9c5c9 1/* Support for printing Ada types for GDB, the GNU debugger.
6aba47ca 2 Copyright (C) 1986, 1988, 1989, 1991, 1997, 1998, 1999, 2000, 2001, 2002,
4c38e0a4 3 2003, 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
14f9c5c9 4
a9762ec7 5 This file is part of GDB.
14f9c5c9 6
a9762ec7
JB
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
14f9c5c9 11
a9762ec7
JB
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
14f9c5c9 16
a9762ec7
JB
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
14f9c5c9
AS
19
20#include "defs.h"
04ea0df1 21#include "gdb_obstack.h"
14f9c5c9
AS
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 "c-lang.h"
34#include "typeprint.h"
35#include "ada-lang.h"
36
37#include <ctype.h>
0c30c098 38#include "gdb_string.h"
14f9c5c9
AS
39#include <errno.h>
40
d2e4a39e 41static int print_record_field_types (struct type *, struct type *,
14f9c5c9
AS
42 struct ui_file *, int, int);
43
d2e4a39e 44static void print_array_type (struct type *, struct ui_file *, int, int);
14f9c5c9 45
d2e4a39e
AS
46static void print_choices (struct type *, int, struct ui_file *,
47 struct type *);
14f9c5c9 48
d2e4a39e 49static void print_range (struct type *, struct ui_file *);
14f9c5c9 50
d2e4a39e
AS
51static void print_range_bound (struct type *, char *, int *,
52 struct ui_file *);
14f9c5c9 53
d2e4a39e
AS
54static void
55print_dynamic_range_bound (struct type *, const char *, int,
56 const char *, struct ui_file *);
14f9c5c9 57
1ce677a4 58static void print_range_type_named (char *, struct type *, struct ui_file *);
14f9c5c9
AS
59\f
60
d2e4a39e
AS
61
62static char *name_buffer;
14f9c5c9
AS
63static int name_buffer_len;
64
4c4b4cd2
PH
65/* The (decoded) Ada name of TYPE. This value persists until the
66 next call. */
14f9c5c9 67
d2e4a39e 68static char *
4c4b4cd2 69decoded_type_name (struct type *type)
14f9c5c9
AS
70{
71 if (ada_type_name (type) == NULL)
72 return NULL;
d2e4a39e 73 else
14f9c5c9 74 {
d2e4a39e
AS
75 char *raw_name = ada_type_name (type);
76 char *s, *q;
14f9c5c9
AS
77
78 if (name_buffer == NULL || name_buffer_len <= strlen (raw_name))
79 {
80 name_buffer_len = 16 + 2 * strlen (raw_name);
81 name_buffer = xrealloc (name_buffer, name_buffer_len);
82 }
83 strcpy (name_buffer, raw_name);
84
d2e4a39e 85 s = (char *) strstr (name_buffer, "___");
14f9c5c9
AS
86 if (s != NULL)
87 *s = '\0';
88
89 s = name_buffer + strlen (name_buffer) - 1;
90 while (s > name_buffer && (s[0] != '_' || s[-1] != '_'))
91 s -= 1;
92
93 if (s == name_buffer)
94 return name_buffer;
95
d2e4a39e 96 if (!islower (s[1]))
14f9c5c9
AS
97 return NULL;
98
99 for (s = q = name_buffer; *s != '\0'; q += 1)
100 {
101 if (s[0] == '_' && s[1] == '_')
102 {
d2e4a39e
AS
103 *q = '.';
104 s += 2;
14f9c5c9
AS
105 }
106 else
107 {
d2e4a39e
AS
108 *q = *s;
109 s += 1;
14f9c5c9
AS
110 }
111 }
112 *q = '\0';
113 return name_buffer;
114 }
115}
116
43bbcdc2 117/* Print TYPE on STREAM, preferably as a range. */
14f9c5c9
AS
118
119static void
d2e4a39e 120print_range (struct type *type, struct ui_file *stream)
14f9c5c9 121{
43bbcdc2 122 switch (TYPE_CODE (type))
14f9c5c9
AS
123 {
124 case TYPE_CODE_RANGE:
14f9c5c9 125 case TYPE_CODE_ENUM:
43bbcdc2
PH
126 {
127 struct type *target_type;
128 target_type = TYPE_TARGET_TYPE (type);
129 if (target_type == NULL)
130 target_type = type;
131 ada_print_scalar (target_type, ada_discrete_type_low_bound (type),
132 stream);
133 fprintf_filtered (stream, " .. ");
134 ada_print_scalar (target_type, ada_discrete_type_high_bound (type),
135 stream);
136 }
14f9c5c9
AS
137 break;
138 default:
14f9c5c9 139 fprintf_filtered (stream, "%.*s",
d2e4a39e
AS
140 ada_name_prefix_len (TYPE_NAME (type)),
141 TYPE_NAME (type));
43bbcdc2 142 break;
14f9c5c9
AS
143 }
144}
145
146/* Print the number or discriminant bound at BOUNDS+*N on STREAM, and
4c4b4cd2 147 set *N past the bound and its delimiter, if any. */
14f9c5c9
AS
148
149static void
d2e4a39e
AS
150print_range_bound (struct type *type, char *bounds, int *n,
151 struct ui_file *stream)
14f9c5c9
AS
152{
153 LONGEST B;
154 if (ada_scan_number (bounds, *n, &B, n))
155 {
4c4b4cd2
PH
156 /* STABS decodes all range types which bounds are 0 .. -1 as
157 unsigned integers (ie. the type code is TYPE_CODE_INT, not
158 TYPE_CODE_RANGE). Unfortunately, ada_print_scalar() relies
159 on the unsigned flag to determine whether the bound should
160 be printed as a signed or an unsigned value. This causes
161 the upper bound of the 0 .. -1 range types to be printed as
162 a very large unsigned number instead of -1.
7c964f07
UW
163 To workaround this stabs deficiency, we replace the TYPE by NULL
164 to indicate default output when we detect that the bound is negative,
4c4b4cd2
PH
165 and the type is a TYPE_CODE_INT. The bound is negative when
166 'm' is the last character of the number scanned in BOUNDS. */
167 if (bounds[*n - 1] == 'm' && TYPE_CODE (type) == TYPE_CODE_INT)
7c964f07 168 type = NULL;
14f9c5c9
AS
169 ada_print_scalar (type, B, stream);
170 if (bounds[*n] == '_')
171 *n += 2;
172 }
173 else
174 {
175 int bound_len;
d2e4a39e
AS
176 char *bound = bounds + *n;
177 char *pend;
14f9c5c9
AS
178
179 pend = strstr (bound, "__");
180 if (pend == NULL)
181 *n += bound_len = strlen (bound);
d2e4a39e 182 else
14f9c5c9
AS
183 {
184 bound_len = pend - bound;
185 *n += bound_len + 2;
186 }
187 fprintf_filtered (stream, "%.*s", bound_len, bound);
188 }
189}
190
191/* Assuming NAME[0 .. NAME_LEN-1] is the name of a range type, print
192 the value (if found) of the bound indicated by SUFFIX ("___L" or
4c4b4cd2 193 "___U") according to the ___XD conventions. */
14f9c5c9
AS
194
195static void
d2e4a39e
AS
196print_dynamic_range_bound (struct type *type, const char *name, int name_len,
197 const char *suffix, struct ui_file *stream)
14f9c5c9
AS
198{
199 static char *name_buf = NULL;
200 static size_t name_buf_len = 0;
201 LONGEST B;
202 int OK;
203
204 GROW_VECT (name_buf, name_buf_len, name_len + strlen (suffix) + 1);
205 strncpy (name_buf, name, name_len);
206 strcpy (name_buf + name_len, suffix);
207
4c4b4cd2 208 B = get_int_var_value (name_buf, &OK);
14f9c5c9
AS
209 if (OK)
210 ada_print_scalar (type, B, stream);
211 else
212 fprintf_filtered (stream, "?");
213}
214
1ce677a4
UW
215/* Print the range type named NAME. If symbol lookup fails, fall back
216 to ORIG_TYPE as base type. */
14f9c5c9
AS
217
218static void
1ce677a4
UW
219print_range_type_named (char *name, struct type *orig_type,
220 struct ui_file *stream)
14f9c5c9
AS
221{
222 struct type *raw_type = ada_find_any_type (name);
223 struct type *base_type;
d2e4a39e 224 char *subtype_info;
14f9c5c9
AS
225
226 if (raw_type == NULL)
1ce677a4
UW
227 raw_type = orig_type;
228
229 if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE)
14f9c5c9
AS
230 base_type = TYPE_TARGET_TYPE (raw_type);
231 else
232 base_type = raw_type;
233
234 subtype_info = strstr (name, "___XD");
1ce677a4 235 if (subtype_info == NULL)
14f9c5c9
AS
236 print_range (raw_type, stream);
237 else
238 {
239 int prefix_len = subtype_info - name;
240 char *bounds_str;
241 int n;
242
243 subtype_info += 5;
244 bounds_str = strchr (subtype_info, '_');
245 n = 1;
246
d2e4a39e 247 if (*subtype_info == 'L')
14f9c5c9 248 {
4c4b4cd2 249 print_range_bound (base_type, bounds_str, &n, stream);
14f9c5c9
AS
250 subtype_info += 1;
251 }
252 else
4c4b4cd2 253 print_dynamic_range_bound (base_type, name, prefix_len, "___L",
d2e4a39e 254 stream);
14f9c5c9
AS
255
256 fprintf_filtered (stream, " .. ");
257
d2e4a39e 258 if (*subtype_info == 'U')
4c4b4cd2 259 print_range_bound (base_type, bounds_str, &n, stream);
14f9c5c9 260 else
4c4b4cd2 261 print_dynamic_range_bound (base_type, name, prefix_len, "___U",
d2e4a39e 262 stream);
14f9c5c9 263 }
d2e4a39e 264}
14f9c5c9 265
4c4b4cd2 266/* Print enumerated type TYPE on STREAM. */
14f9c5c9
AS
267
268static void
ebf56fd3 269print_enum_type (struct type *type, struct ui_file *stream)
14f9c5c9
AS
270{
271 int len = TYPE_NFIELDS (type);
272 int i, lastval;
273
274 fprintf_filtered (stream, "(");
275 wrap_here (" ");
276
277 lastval = 0;
278 for (i = 0; i < len; i++)
279 {
280 QUIT;
d2e4a39e
AS
281 if (i)
282 fprintf_filtered (stream, ", ");
14f9c5c9
AS
283 wrap_here (" ");
284 fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream);
285 if (lastval != TYPE_FIELD_BITPOS (type, i))
286 {
287 fprintf_filtered (stream, " => %d", TYPE_FIELD_BITPOS (type, i));
288 lastval = TYPE_FIELD_BITPOS (type, i);
289 }
290 lastval += 1;
291 }
292 fprintf_filtered (stream, ")");
293}
294
4c4b4cd2 295/* Print representation of Ada fixed-point type TYPE on STREAM. */
14f9c5c9
AS
296
297static void
ebf56fd3 298print_fixed_point_type (struct type *type, struct ui_file *stream)
14f9c5c9
AS
299{
300 DOUBLEST delta = ada_delta (type);
301 DOUBLEST small = ada_fixed_to_float (type, 1.0);
302
303 if (delta < 0.0)
304 fprintf_filtered (stream, "delta ??");
305 else
306 {
307 fprintf_filtered (stream, "delta %g", (double) delta);
d2e4a39e 308 if (delta != small)
14f9c5c9
AS
309 fprintf_filtered (stream, " <'small = %g>", (double) small);
310 }
311}
312
4c4b4cd2
PH
313/* Print simple (constrained) array type TYPE on STREAM. LEVEL is the
314 recursion (indentation) level, in case the element type itself has
14f9c5c9 315 nested structure, and SHOW is the number of levels of internal
4c4b4cd2 316 structure to show (see ada_print_type). */
14f9c5c9
AS
317
318static void
d2e4a39e
AS
319print_array_type (struct type *type, struct ui_file *stream, int show,
320 int level)
14f9c5c9
AS
321{
322 int bitsize;
323 int n_indices;
324
ad82864c 325 if (ada_is_constrained_packed_array_type (type))
727e3d2e
JB
326 type = ada_coerce_to_simple_array_type (type);
327
14f9c5c9
AS
328 bitsize = 0;
329 fprintf_filtered (stream, "array (");
330
cb249c71
TT
331 if (type == NULL)
332 {
333 fprintf_filtered (stream, _("<undecipherable array type>"));
334 return;
335 }
336
14f9c5c9 337 n_indices = -1;
d2e4a39e 338 if (show < 0)
14f9c5c9
AS
339 fprintf_filtered (stream, "...");
340 else
341 {
4c4b4cd2 342 if (ada_is_simple_array_type (type))
14f9c5c9 343 {
d2e4a39e 344 struct type *range_desc_type =
14f9c5c9 345 ada_find_parallel_type (type, "___XA");
d2e4a39e 346 struct type *arr_type;
14f9c5c9
AS
347
348 bitsize = 0;
349 if (range_desc_type == NULL)
350 {
351 for (arr_type = type; TYPE_CODE (arr_type) == TYPE_CODE_ARRAY;
352 arr_type = TYPE_TARGET_TYPE (arr_type))
353 {
354 if (arr_type != type)
355 fprintf_filtered (stream, ", ");
356 print_range (TYPE_INDEX_TYPE (arr_type), stream);
357 if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0)
358 bitsize = TYPE_FIELD_BITSIZE (arr_type, 0);
359 }
360 }
d2e4a39e 361 else
14f9c5c9
AS
362 {
363 int k;
d2e4a39e
AS
364 n_indices = TYPE_NFIELDS (range_desc_type);
365 for (k = 0, arr_type = type;
14f9c5c9
AS
366 k < n_indices;
367 k += 1, arr_type = TYPE_TARGET_TYPE (arr_type))
368 {
369 if (k > 0)
370 fprintf_filtered (stream, ", ");
d2e4a39e 371 print_range_type_named (TYPE_FIELD_NAME
1ce677a4
UW
372 (range_desc_type, k),
373 TYPE_INDEX_TYPE (arr_type), stream);
14f9c5c9
AS
374 if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0)
375 bitsize = TYPE_FIELD_BITSIZE (arr_type, 0);
d2e4a39e 376 }
14f9c5c9
AS
377 }
378 }
d2e4a39e 379 else
14f9c5c9
AS
380 {
381 int i, i0;
382 for (i = i0 = ada_array_arity (type); i > 0; i -= 1)
383 fprintf_filtered (stream, "%s<>", i == i0 ? "" : ", ");
384 }
385 }
386
387 fprintf_filtered (stream, ") of ");
388 wrap_here ("");
d2e4a39e
AS
389 ada_print_type (ada_array_element_type (type, n_indices), "", stream,
390 show == 0 ? 0 : show - 1, level + 1);
14f9c5c9
AS
391 if (bitsize > 0)
392 fprintf_filtered (stream, " <packed: %d-bit elements>", bitsize);
393}
394
395/* Print the choices encoded by field FIELD_NUM of variant-part TYPE on
7c964f07 396 STREAM, assuming that VAL_TYPE (if non-NULL) is the type of the values. */
14f9c5c9
AS
397
398static void
d2e4a39e
AS
399print_choices (struct type *type, int field_num, struct ui_file *stream,
400 struct type *val_type)
14f9c5c9
AS
401{
402 int have_output;
403 int p;
d2e4a39e 404 const char *name = TYPE_FIELD_NAME (type, field_num);
14f9c5c9
AS
405
406 have_output = 0;
407
4c4b4cd2 408 /* Skip over leading 'V': NOTE soon to be obsolete. */
14f9c5c9
AS
409 if (name[0] == 'V')
410 {
d2e4a39e 411 if (!ada_scan_number (name, 1, NULL, &p))
14f9c5c9
AS
412 goto Huh;
413 }
414 else
415 p = 0;
416
417 while (1)
418 {
d2e4a39e 419 switch (name[p])
14f9c5c9
AS
420 {
421 default:
422 return;
423 case 'S':
424 case 'R':
425 case 'O':
d2e4a39e 426 if (have_output)
14f9c5c9
AS
427 fprintf_filtered (stream, " | ");
428 have_output = 1;
429 break;
430 }
431
d2e4a39e 432 switch (name[p])
14f9c5c9
AS
433 {
434 case 'S':
435 {
436 LONGEST W;
d2e4a39e 437 if (!ada_scan_number (name, p + 1, &W, &p))
14f9c5c9
AS
438 goto Huh;
439 ada_print_scalar (val_type, W, stream);
440 break;
441 }
442 case 'R':
443 {
444 LONGEST L, U;
d2e4a39e
AS
445 if (!ada_scan_number (name, p + 1, &L, &p)
446 || name[p] != 'T' || !ada_scan_number (name, p + 1, &U, &p))
14f9c5c9
AS
447 goto Huh;
448 ada_print_scalar (val_type, L, stream);
449 fprintf_filtered (stream, " .. ");
450 ada_print_scalar (val_type, U, stream);
451 break;
452 }
453 case 'O':
454 fprintf_filtered (stream, "others");
455 p += 1;
456 break;
457 }
458 }
459
460Huh:
461 fprintf_filtered (stream, "??");
462
463}
464
4c4b4cd2
PH
465/* Assuming that field FIELD_NUM of TYPE is a VARIANTS field whose
466 discriminant is contained in OUTER_TYPE, print its variants on STREAM.
14f9c5c9
AS
467 LEVEL is the recursion
468 (indentation) level, in case any of the fields themselves have
469 nested structure, and SHOW is the number of levels of internal structure
4c4b4cd2 470 to show (see ada_print_type). For this purpose, fields nested in a
14f9c5c9 471 variant part are taken to be at the same level as the fields
4c4b4cd2 472 immediately outside the variant part. */
14f9c5c9
AS
473
474static void
ebf56fd3
AS
475print_variant_clauses (struct type *type, int field_num,
476 struct type *outer_type, struct ui_file *stream,
477 int show, int level)
14f9c5c9
AS
478{
479 int i;
4c4b4cd2 480 struct type *var_type, *par_type;
14f9c5c9
AS
481 struct type *discr_type;
482
483 var_type = TYPE_FIELD_TYPE (type, field_num);
484 discr_type = ada_variant_discrim_type (var_type, outer_type);
485
486 if (TYPE_CODE (var_type) == TYPE_CODE_PTR)
487 {
488 var_type = TYPE_TARGET_TYPE (var_type);
4c4b4cd2
PH
489 if (var_type == NULL || TYPE_CODE (var_type) != TYPE_CODE_UNION)
490 return;
14f9c5c9
AS
491 }
492
4c4b4cd2
PH
493 par_type = ada_find_parallel_type (var_type, "___XVU");
494 if (par_type != NULL)
495 var_type = par_type;
496
d2e4a39e 497 for (i = 0; i < TYPE_NFIELDS (var_type); i += 1)
14f9c5c9
AS
498 {
499 fprintf_filtered (stream, "\n%*swhen ", level + 4, "");
500 print_choices (var_type, i, stream, discr_type);
501 fprintf_filtered (stream, " =>");
d2e4a39e
AS
502 if (print_record_field_types (TYPE_FIELD_TYPE (var_type, i),
503 outer_type, stream, show, level + 4) <= 0)
14f9c5c9
AS
504 fprintf_filtered (stream, " null;");
505 }
506}
507
4c4b4cd2 508/* Assuming that field FIELD_NUM of TYPE is a variant part whose
14f9c5c9 509 discriminants are contained in OUTER_TYPE, print a description of it
4c4b4cd2
PH
510 on STREAM. LEVEL is the recursion (indentation) level, in case any of
511 the fields themselves have nested structure, and SHOW is the number of
512 levels of internal structure to show (see ada_print_type). For this
513 purpose, fields nested in a variant part are taken to be at the same
514 level as the fields immediately outside the variant part. */
14f9c5c9
AS
515
516static void
ebf56fd3
AS
517print_variant_part (struct type *type, int field_num, struct type *outer_type,
518 struct ui_file *stream, int show, int level)
14f9c5c9
AS
519{
520 fprintf_filtered (stream, "\n%*scase %s is", level + 4, "",
d2e4a39e
AS
521 ada_variant_discrim_name
522 (TYPE_FIELD_TYPE (type, field_num)));
523 print_variant_clauses (type, field_num, outer_type, stream, show,
524 level + 4);
14f9c5c9
AS
525 fprintf_filtered (stream, "\n%*send case;", level + 4, "");
526}
527
4c4b4cd2
PH
528/* Print a description on STREAM of the fields in record type TYPE, whose
529 discriminants are in OUTER_TYPE. LEVEL is the recursion (indentation)
530 level, in case any of the fields themselves have nested structure,
531 and SHOW is the number of levels of internal structure to show
532 (see ada_print_type). Does not print parent type information of TYPE.
533 Returns 0 if no fields printed, -1 for an incomplete type, else > 0.
14f9c5c9 534 Prints each field beginning on a new line, but does not put a new line at
4c4b4cd2 535 end. */
14f9c5c9
AS
536
537static int
ebf56fd3
AS
538print_record_field_types (struct type *type, struct type *outer_type,
539 struct ui_file *stream, int show, int level)
14f9c5c9
AS
540{
541 int len, i, flds;
542
543 flds = 0;
544 len = TYPE_NFIELDS (type);
545
876cecd0 546 if (len == 0 && TYPE_STUB (type))
14f9c5c9
AS
547 return -1;
548
549 for (i = 0; i < len; i += 1)
550 {
551 QUIT;
552
d2e4a39e 553 if (ada_is_parent_field (type, i) || ada_is_ignored_field (type, i))
14f9c5c9
AS
554 ;
555 else if (ada_is_wrapper_field (type, i))
556 flds += print_record_field_types (TYPE_FIELD_TYPE (type, i), type,
557 stream, show, level);
d2e4a39e 558 else if (ada_is_variant_part (type, i))
14f9c5c9
AS
559 {
560 print_variant_part (type, i, outer_type, stream, show, level);
561 flds = 1;
562 }
563 else
564 {
565 flds += 1;
566 fprintf_filtered (stream, "\n%*s", level + 4, "");
567 ada_print_type (TYPE_FIELD_TYPE (type, i),
568 TYPE_FIELD_NAME (type, i),
569 stream, show - 1, level + 4);
570 fprintf_filtered (stream, ";");
571 }
572 }
573
574 return flds;
575}
576
4c4b4cd2
PH
577/* Print record type TYPE on STREAM. LEVEL is the recursion (indentation)
578 level, in case the element type itself has nested structure, and SHOW is
579 the number of levels of internal structure to show (see ada_print_type). */
14f9c5c9
AS
580
581static void
d2e4a39e
AS
582print_record_type (struct type *type0, struct ui_file *stream, int show,
583 int level)
14f9c5c9 584{
d2e4a39e
AS
585 struct type *parent_type;
586 struct type *type;
587
4c4b4cd2
PH
588 type = ada_find_parallel_type (type0, "___XVE");
589 if (type == NULL)
590 type = type0;
14f9c5c9
AS
591
592 parent_type = ada_parent_type (type);
d2e4a39e 593 if (ada_type_name (parent_type) != NULL)
0b48a291 594 fprintf_filtered (stream, "new %s with record",
4c4b4cd2
PH
595 decoded_type_name (parent_type));
596 else if (parent_type == NULL && ada_is_tagged_type (type, 0))
0b48a291
PH
597 fprintf_filtered (stream, "tagged record");
598 else
599 fprintf_filtered (stream, "record");
14f9c5c9
AS
600
601 if (show < 0)
0b48a291 602 fprintf_filtered (stream, " ... end record");
14f9c5c9
AS
603 else
604 {
605 int flds;
606
607 flds = 0;
608 if (parent_type != NULL && ada_type_name (parent_type) == NULL)
d2e4a39e 609 flds += print_record_field_types (parent_type, parent_type,
14f9c5c9
AS
610 stream, show, level);
611 flds += print_record_field_types (type, type, stream, show, level);
d2e4a39e 612
14f9c5c9 613 if (flds > 0)
0b48a291 614 fprintf_filtered (stream, "\n%*send record", level, "");
d2e4a39e 615 else if (flds < 0)
323e0a4a 616 fprintf_filtered (stream, _(" <incomplete type> end record"));
d2e4a39e 617 else
0b48a291 618 fprintf_filtered (stream, " null; end record");
14f9c5c9
AS
619 }
620}
621
622/* Print the unchecked union type TYPE in something resembling Ada
4c4b4cd2 623 format on STREAM. LEVEL is the recursion (indentation) level
14f9c5c9 624 in case the element type itself has nested structure, and SHOW is the
4c4b4cd2 625 number of levels of internal structure to show (see ada_print_type). */
14f9c5c9 626static void
d2e4a39e 627print_unchecked_union_type (struct type *type, struct ui_file *stream,
14f9c5c9
AS
628 int show, int level)
629{
14f9c5c9 630 if (show < 0)
0b48a291 631 fprintf_filtered (stream, "record (?) is ... end record");
d2e4a39e 632 else if (TYPE_NFIELDS (type) == 0)
0b48a291 633 fprintf_filtered (stream, "record (?) is null; end record");
14f9c5c9
AS
634 else
635 {
636 int i;
637
0b48a291 638 fprintf_filtered (stream, "record (?) is\n%*scase ? is", level + 4, "");
14f9c5c9 639
d2e4a39e 640 for (i = 0; i < TYPE_NFIELDS (type); i += 1)
14f9c5c9 641 {
0b48a291 642 fprintf_filtered (stream, "\n%*swhen ? =>\n%*s", level + 8, "",
d2e4a39e 643 level + 12, "");
14f9c5c9
AS
644 ada_print_type (TYPE_FIELD_TYPE (type, i),
645 TYPE_FIELD_NAME (type, i),
646 stream, show - 1, level + 12);
647 fprintf_filtered (stream, ";");
648 }
649
0b48a291 650 fprintf_filtered (stream, "\n%*send case;\n%*send record",
d2e4a39e 651 level + 4, "", level, "");
14f9c5c9
AS
652 }
653}
d2e4a39e 654
14f9c5c9
AS
655
656
657/* Print function or procedure type TYPE on STREAM. Make it a header
4c4b4cd2 658 for function or procedure NAME if NAME is not null. */
14f9c5c9
AS
659
660static void
d2e4a39e 661print_func_type (struct type *type, struct ui_file *stream, char *name)
14f9c5c9
AS
662{
663 int i, len = TYPE_NFIELDS (type);
664
665 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
666 fprintf_filtered (stream, "procedure");
667 else
668 fprintf_filtered (stream, "function");
669
d2e4a39e 670 if (name != NULL && name[0] != '\0')
14f9c5c9
AS
671 fprintf_filtered (stream, " %s", name);
672
d2e4a39e 673 if (len > 0)
14f9c5c9
AS
674 {
675 fprintf_filtered (stream, " (");
676 for (i = 0; i < len; i += 1)
677 {
678 if (i > 0)
679 {
680 fputs_filtered ("; ", stream);
681 wrap_here (" ");
682 }
d2e4a39e 683 fprintf_filtered (stream, "a%d: ", i + 1);
14f9c5c9
AS
684 ada_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0);
685 }
686 fprintf_filtered (stream, ")");
d2e4a39e 687 }
14f9c5c9
AS
688
689 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
690 {
691 fprintf_filtered (stream, " return ");
692 ada_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0);
693 }
694}
695
696
697/* Print a description of a type TYPE0.
698 Output goes to STREAM (via stdio).
699 If VARSTRING is a non-empty string, print as an Ada variable/field
700 declaration.
4c4b4cd2 701 SHOW+1 is the maximum number of levels of internal type structure
14f9c5c9
AS
702 to show (this applies to record types, enumerated types, and
703 array types).
704 SHOW is the number of levels of internal type structure to show
4c4b4cd2 705 when there is a type name for the SHOWth deepest level (0th is
14f9c5c9
AS
706 outer level).
707 When SHOW<0, no inner structure is shown.
4c4b4cd2 708 LEVEL indicates level of recursion (for nested definitions). */
14f9c5c9
AS
709
710void
d2e4a39e 711ada_print_type (struct type *type0, char *varstring, struct ui_file *stream,
ebf56fd3 712 int show, int level)
14f9c5c9 713{
61ee279c 714 struct type *type = ada_check_typedef (ada_get_base_type (type0));
f192137b 715 char *type_name = decoded_type_name (type0);
14f9c5c9
AS
716 int is_var_decl = (varstring != NULL && varstring[0] != '\0');
717
718 if (type == NULL)
719 {
720 if (is_var_decl)
721 fprintf_filtered (stream, "%.*s: ",
d2e4a39e 722 ada_name_prefix_len (varstring), varstring);
14f9c5c9
AS
723 fprintf_filtered (stream, "<null type?>");
724 return;
725 }
726
727 if (show > 0)
61ee279c 728 type = ada_check_typedef (type);
14f9c5c9
AS
729
730 if (is_var_decl && TYPE_CODE (type) != TYPE_CODE_FUNC)
d2e4a39e
AS
731 fprintf_filtered (stream, "%.*s: ",
732 ada_name_prefix_len (varstring), varstring);
14f9c5c9
AS
733
734 if (type_name != NULL && show <= 0)
735 {
d2e4a39e 736 fprintf_filtered (stream, "%.*s",
14f9c5c9
AS
737 ada_name_prefix_len (type_name), type_name);
738 return;
739 }
740
741 if (ada_is_aligner_type (type))
742 ada_print_type (ada_aligned_type (type), "", stream, show, level);
ad82864c 743 else if (ada_is_constrained_packed_array_type (type))
727e3d2e
JB
744 {
745 if (TYPE_CODE (type) == TYPE_CODE_PTR)
746 {
747 fprintf_filtered (stream, "access ");
748 print_array_type (TYPE_TARGET_TYPE (type), stream, show, level);
749 }
750 else
751 {
752 print_array_type (type, stream, show, level);
753 }
754 }
14f9c5c9 755 else
d2e4a39e
AS
756 switch (TYPE_CODE (type))
757 {
758 default:
759 fprintf_filtered (stream, "<");
760 c_print_type (type, "", stream, show, level);
761 fprintf_filtered (stream, ">");
762 break;
763 case TYPE_CODE_PTR:
764 fprintf_filtered (stream, "access ");
765 ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
766 break;
767 case TYPE_CODE_REF:
768 fprintf_filtered (stream, "<ref> ");
769 ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
770 break;
771 case TYPE_CODE_ARRAY:
14f9c5c9 772 print_array_type (type, stream, show, level);
d2e4a39e 773 break;
690cc4eb
PH
774 case TYPE_CODE_BOOL:
775 fprintf_filtered (stream, "(false, true)");
776 break;
d2e4a39e
AS
777 case TYPE_CODE_INT:
778 if (ada_is_fixed_point_type (type))
779 print_fixed_point_type (type, stream);
d2e4a39e
AS
780 else
781 {
782 char *name = ada_type_name (type);
783 if (!ada_is_range_type_name (name))
e1d5a0d2 784 fprintf_filtered (stream, _("<%d-byte integer>"),
d2e4a39e
AS
785 TYPE_LENGTH (type));
786 else
787 {
788 fprintf_filtered (stream, "range ");
1ce677a4 789 print_range_type_named (name, type, stream);
d2e4a39e
AS
790 }
791 }
792 break;
793 case TYPE_CODE_RANGE:
794 if (ada_is_fixed_point_type (type))
795 print_fixed_point_type (type, stream);
d2e4a39e 796 else if (ada_is_modular_type (type))
529cad9c
PH
797 fprintf_filtered (stream, "mod %s",
798 int_string (ada_modulus (type), 10, 0, 0, 1));
d2e4a39e
AS
799 else
800 {
801 fprintf_filtered (stream, "range ");
802 print_range (type, stream);
803 }
804 break;
805 case TYPE_CODE_FLT:
e1d5a0d2 806 fprintf_filtered (stream, _("<%d-byte float>"), TYPE_LENGTH (type));
d2e4a39e
AS
807 break;
808 case TYPE_CODE_ENUM:
809 if (show < 0)
810 fprintf_filtered (stream, "(...)");
811 else
812 print_enum_type (type, stream);
813 break;
814 case TYPE_CODE_STRUCT:
4c4b4cd2 815 if (ada_is_array_descriptor_type (type))
d2e4a39e
AS
816 print_array_type (type, stream, show, level);
817 else if (ada_is_bogus_array_descriptor (type))
818 fprintf_filtered (stream,
e1d5a0d2 819 _("array (?) of ? (<mal-formed descriptor>)"));
d2e4a39e
AS
820 else
821 print_record_type (type, stream, show, level);
822 break;
823 case TYPE_CODE_UNION:
824 print_unchecked_union_type (type, stream, show, level);
825 break;
826 case TYPE_CODE_FUNC:
827 print_func_type (type, stream, varstring);
828 break;
829 }
14f9c5c9 830}
be942545
JB
831
832/* Implement the la_print_typedef language method for Ada. */
833
834void
835ada_print_typedef (struct type *type, struct symbol *new_symbol,
836 struct ui_file *stream)
837{
838 type = ada_check_typedef (type);
839 ada_print_type (type, "", stream, 0, 0);
840 fprintf_filtered (stream, "\n");
841}
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