* configure.ac (BFD_NEED_DECLARATION): Replace with AC_CHECK_DECLS.
[deliverable/binutils-gdb.git] / gdb / ada-typeprint.c
CommitLineData
14f9c5c9 1/* Support for printing Ada types for GDB, the GNU debugger.
4c4b4cd2
PH
2 Copyright 1986, 1988, 1989, 1991, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
14f9c5c9
AS
4
5This file is part of GDB.
6
7This program is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2 of the License, or
10(at your option) any later version.
11
12This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this program; if not, write to the Free Software
19Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
20
21#include "defs.h"
04ea0df1 22#include "gdb_obstack.h"
14f9c5c9
AS
23#include "bfd.h" /* Binary File Description */
24#include "symtab.h"
25#include "gdbtypes.h"
26#include "expression.h"
27#include "value.h"
28#include "gdbcore.h"
29#include "target.h"
30#include "command.h"
31#include "gdbcmd.h"
32#include "language.h"
33#include "demangle.h"
34#include "c-lang.h"
35#include "typeprint.h"
36#include "ada-lang.h"
37
38#include <ctype.h>
0c30c098 39#include "gdb_string.h"
14f9c5c9
AS
40#include <errno.h>
41
d2e4a39e 42static int print_record_field_types (struct type *, struct type *,
14f9c5c9
AS
43 struct ui_file *, int, int);
44
d2e4a39e 45static void print_array_type (struct type *, struct ui_file *, int, int);
14f9c5c9 46
d2e4a39e
AS
47static void print_choices (struct type *, int, struct ui_file *,
48 struct type *);
14f9c5c9 49
d2e4a39e 50static void print_range (struct type *, struct ui_file *);
14f9c5c9 51
d2e4a39e
AS
52static void print_range_bound (struct type *, char *, int *,
53 struct ui_file *);
14f9c5c9 54
d2e4a39e
AS
55static void
56print_dynamic_range_bound (struct type *, const char *, int,
57 const char *, struct ui_file *);
14f9c5c9 58
d2e4a39e 59static void print_range_type_named (char *, struct ui_file *);
14f9c5c9
AS
60\f
61
d2e4a39e
AS
62
63static char *name_buffer;
14f9c5c9
AS
64static int name_buffer_len;
65
4c4b4cd2
PH
66/* The (decoded) Ada name of TYPE. This value persists until the
67 next call. */
14f9c5c9 68
d2e4a39e 69static char *
4c4b4cd2 70decoded_type_name (struct type *type)
14f9c5c9
AS
71{
72 if (ada_type_name (type) == NULL)
73 return NULL;
d2e4a39e 74 else
14f9c5c9 75 {
d2e4a39e
AS
76 char *raw_name = ada_type_name (type);
77 char *s, *q;
14f9c5c9
AS
78
79 if (name_buffer == NULL || name_buffer_len <= strlen (raw_name))
80 {
81 name_buffer_len = 16 + 2 * strlen (raw_name);
82 name_buffer = xrealloc (name_buffer, name_buffer_len);
83 }
84 strcpy (name_buffer, raw_name);
85
d2e4a39e 86 s = (char *) strstr (name_buffer, "___");
14f9c5c9
AS
87 if (s != NULL)
88 *s = '\0';
89
90 s = name_buffer + strlen (name_buffer) - 1;
91 while (s > name_buffer && (s[0] != '_' || s[-1] != '_'))
92 s -= 1;
93
94 if (s == name_buffer)
95 return name_buffer;
96
d2e4a39e 97 if (!islower (s[1]))
14f9c5c9
AS
98 return NULL;
99
100 for (s = q = name_buffer; *s != '\0'; q += 1)
101 {
102 if (s[0] == '_' && s[1] == '_')
103 {
d2e4a39e
AS
104 *q = '.';
105 s += 2;
14f9c5c9
AS
106 }
107 else
108 {
d2e4a39e
AS
109 *q = *s;
110 s += 1;
14f9c5c9
AS
111 }
112 }
113 *q = '\0';
114 return name_buffer;
115 }
116}
117
118
4c4b4cd2 119/* Print a description of a type in the format of a
14f9c5c9 120 typedef for the current language.
4c4b4cd2 121 NEW is the new name for a type TYPE. */
14f9c5c9
AS
122
123void
d2e4a39e
AS
124ada_typedef_print (struct type *type, struct symbol *new,
125 struct ui_file *stream)
14f9c5c9 126{
323e0a4a 127 /* XXX: type_sprint */
0b48a291 128 fprintf_filtered (stream, "type %.*s is ",
de5ad195
DC
129 ada_name_prefix_len (SYMBOL_PRINT_NAME (new)),
130 SYMBOL_PRINT_NAME (new));
14f9c5c9
AS
131 type_print (type, "", stream, 1);
132}
133
4c4b4cd2 134/* Print range type TYPE on STREAM. */
14f9c5c9
AS
135
136static void
d2e4a39e 137print_range (struct type *type, struct ui_file *stream)
14f9c5c9 138{
d2e4a39e 139 struct type *target_type;
14f9c5c9
AS
140 target_type = TYPE_TARGET_TYPE (type);
141 if (target_type == NULL)
142 target_type = type;
143
d2e4a39e 144 switch (TYPE_CODE (target_type))
14f9c5c9
AS
145 {
146 case TYPE_CODE_RANGE:
147 case TYPE_CODE_INT:
148 case TYPE_CODE_BOOL:
149 case TYPE_CODE_CHAR:
150 case TYPE_CODE_ENUM:
151 break;
152 default:
72d5681a 153 target_type = builtin_type_int;
14f9c5c9
AS
154 break;
155 }
156
157 if (TYPE_NFIELDS (type) < 2)
158 {
4c4b4cd2 159 /* A range needs at least 2 bounds to be printed. If there are less
14f9c5c9 160 than 2, just print the type name instead of the range itself.
4c4b4cd2 161 This check handles cases such as characters, for example.
14f9c5c9
AS
162
163 Note that if the name is not defined, then we don't print anything.
164 */
165 fprintf_filtered (stream, "%.*s",
d2e4a39e
AS
166 ada_name_prefix_len (TYPE_NAME (type)),
167 TYPE_NAME (type));
14f9c5c9
AS
168 }
169 else
170 {
171 /* We extract the range type bounds respectively from the first element
172 and the last element of the type->fields array */
173 const LONGEST lower_bound = (LONGEST) TYPE_LOW_BOUND (type);
174 const LONGEST upper_bound =
d2e4a39e 175 (LONGEST) TYPE_FIELD_BITPOS (type, TYPE_NFIELDS (type) - 1);
14f9c5c9
AS
176
177 ada_print_scalar (target_type, lower_bound, stream);
178 fprintf_filtered (stream, " .. ");
179 ada_print_scalar (target_type, upper_bound, stream);
180 }
181}
182
183/* Print the number or discriminant bound at BOUNDS+*N on STREAM, and
4c4b4cd2 184 set *N past the bound and its delimiter, if any. */
14f9c5c9
AS
185
186static void
d2e4a39e
AS
187print_range_bound (struct type *type, char *bounds, int *n,
188 struct ui_file *stream)
14f9c5c9
AS
189{
190 LONGEST B;
191 if (ada_scan_number (bounds, *n, &B, n))
192 {
4c4b4cd2
PH
193 /* STABS decodes all range types which bounds are 0 .. -1 as
194 unsigned integers (ie. the type code is TYPE_CODE_INT, not
195 TYPE_CODE_RANGE). Unfortunately, ada_print_scalar() relies
196 on the unsigned flag to determine whether the bound should
197 be printed as a signed or an unsigned value. This causes
198 the upper bound of the 0 .. -1 range types to be printed as
199 a very large unsigned number instead of -1.
200 To workaround this stabs deficiency, we replace the TYPE by
201 builtin_type_long when we detect that the bound is negative,
202 and the type is a TYPE_CODE_INT. The bound is negative when
203 'm' is the last character of the number scanned in BOUNDS. */
204 if (bounds[*n - 1] == 'm' && TYPE_CODE (type) == TYPE_CODE_INT)
205 type = builtin_type_long;
14f9c5c9
AS
206 ada_print_scalar (type, B, stream);
207 if (bounds[*n] == '_')
208 *n += 2;
209 }
210 else
211 {
212 int bound_len;
d2e4a39e
AS
213 char *bound = bounds + *n;
214 char *pend;
14f9c5c9
AS
215
216 pend = strstr (bound, "__");
217 if (pend == NULL)
218 *n += bound_len = strlen (bound);
d2e4a39e 219 else
14f9c5c9
AS
220 {
221 bound_len = pend - bound;
222 *n += bound_len + 2;
223 }
224 fprintf_filtered (stream, "%.*s", bound_len, bound);
225 }
226}
227
228/* Assuming NAME[0 .. NAME_LEN-1] is the name of a range type, print
229 the value (if found) of the bound indicated by SUFFIX ("___L" or
4c4b4cd2 230 "___U") according to the ___XD conventions. */
14f9c5c9
AS
231
232static void
d2e4a39e
AS
233print_dynamic_range_bound (struct type *type, const char *name, int name_len,
234 const char *suffix, struct ui_file *stream)
14f9c5c9
AS
235{
236 static char *name_buf = NULL;
237 static size_t name_buf_len = 0;
238 LONGEST B;
239 int OK;
240
241 GROW_VECT (name_buf, name_buf_len, name_len + strlen (suffix) + 1);
242 strncpy (name_buf, name, name_len);
243 strcpy (name_buf + name_len, suffix);
244
4c4b4cd2 245 B = get_int_var_value (name_buf, &OK);
14f9c5c9
AS
246 if (OK)
247 ada_print_scalar (type, B, stream);
248 else
249 fprintf_filtered (stream, "?");
250}
251
4c4b4cd2 252/* Print the range type named NAME. */
14f9c5c9
AS
253
254static void
d2e4a39e 255print_range_type_named (char *name, struct ui_file *stream)
14f9c5c9
AS
256{
257 struct type *raw_type = ada_find_any_type (name);
258 struct type *base_type;
d2e4a39e 259 char *subtype_info;
14f9c5c9
AS
260
261 if (raw_type == NULL)
262 base_type = builtin_type_int;
263 else if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE)
264 base_type = TYPE_TARGET_TYPE (raw_type);
265 else
266 base_type = raw_type;
267
268 subtype_info = strstr (name, "___XD");
269 if (subtype_info == NULL && raw_type == NULL)
270 fprintf_filtered (stream, "? .. ?");
271 else if (subtype_info == NULL)
272 print_range (raw_type, stream);
273 else
274 {
275 int prefix_len = subtype_info - name;
276 char *bounds_str;
277 int n;
278
279 subtype_info += 5;
280 bounds_str = strchr (subtype_info, '_');
281 n = 1;
282
d2e4a39e 283 if (*subtype_info == 'L')
14f9c5c9 284 {
4c4b4cd2 285 print_range_bound (base_type, bounds_str, &n, stream);
14f9c5c9
AS
286 subtype_info += 1;
287 }
288 else
4c4b4cd2 289 print_dynamic_range_bound (base_type, name, prefix_len, "___L",
d2e4a39e 290 stream);
14f9c5c9
AS
291
292 fprintf_filtered (stream, " .. ");
293
d2e4a39e 294 if (*subtype_info == 'U')
4c4b4cd2 295 print_range_bound (base_type, bounds_str, &n, stream);
14f9c5c9 296 else
4c4b4cd2 297 print_dynamic_range_bound (base_type, name, prefix_len, "___U",
d2e4a39e 298 stream);
14f9c5c9 299 }
d2e4a39e 300}
14f9c5c9 301
4c4b4cd2 302/* Print enumerated type TYPE on STREAM. */
14f9c5c9
AS
303
304static void
ebf56fd3 305print_enum_type (struct type *type, struct ui_file *stream)
14f9c5c9
AS
306{
307 int len = TYPE_NFIELDS (type);
308 int i, lastval;
309
310 fprintf_filtered (stream, "(");
311 wrap_here (" ");
312
313 lastval = 0;
314 for (i = 0; i < len; i++)
315 {
316 QUIT;
d2e4a39e
AS
317 if (i)
318 fprintf_filtered (stream, ", ");
14f9c5c9
AS
319 wrap_here (" ");
320 fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream);
321 if (lastval != TYPE_FIELD_BITPOS (type, i))
322 {
323 fprintf_filtered (stream, " => %d", TYPE_FIELD_BITPOS (type, i));
324 lastval = TYPE_FIELD_BITPOS (type, i);
325 }
326 lastval += 1;
327 }
328 fprintf_filtered (stream, ")");
329}
330
4c4b4cd2 331/* Print representation of Ada fixed-point type TYPE on STREAM. */
14f9c5c9
AS
332
333static void
ebf56fd3 334print_fixed_point_type (struct type *type, struct ui_file *stream)
14f9c5c9
AS
335{
336 DOUBLEST delta = ada_delta (type);
337 DOUBLEST small = ada_fixed_to_float (type, 1.0);
338
339 if (delta < 0.0)
340 fprintf_filtered (stream, "delta ??");
341 else
342 {
343 fprintf_filtered (stream, "delta %g", (double) delta);
d2e4a39e 344 if (delta != small)
14f9c5c9
AS
345 fprintf_filtered (stream, " <'small = %g>", (double) small);
346 }
347}
348
4c4b4cd2 349/* Print representation of special VAX floating-point type TYPE on STREAM. */
14f9c5c9
AS
350
351static void
ebf56fd3 352print_vax_floating_point_type (struct type *type, struct ui_file *stream)
14f9c5c9
AS
353{
354 fprintf_filtered (stream, "<float format %c>",
355 ada_vax_float_type_suffix (type));
356}
357
4c4b4cd2
PH
358/* Print simple (constrained) array type TYPE on STREAM. LEVEL is the
359 recursion (indentation) level, in case the element type itself has
14f9c5c9 360 nested structure, and SHOW is the number of levels of internal
4c4b4cd2 361 structure to show (see ada_print_type). */
14f9c5c9
AS
362
363static void
d2e4a39e
AS
364print_array_type (struct type *type, struct ui_file *stream, int show,
365 int level)
14f9c5c9
AS
366{
367 int bitsize;
368 int n_indices;
369
370 bitsize = 0;
371 fprintf_filtered (stream, "array (");
372
373 n_indices = -1;
d2e4a39e 374 if (show < 0)
14f9c5c9
AS
375 fprintf_filtered (stream, "...");
376 else
377 {
378 if (ada_is_packed_array_type (type))
379 type = ada_coerce_to_simple_array_type (type);
4c4b4cd2
PH
380 if (type == NULL)
381 {
382 fprintf_filtered (stream, "<undecipherable array type>");
383 return;
384 }
385 if (ada_is_simple_array_type (type))
14f9c5c9 386 {
d2e4a39e 387 struct type *range_desc_type =
14f9c5c9 388 ada_find_parallel_type (type, "___XA");
d2e4a39e 389 struct type *arr_type;
14f9c5c9
AS
390
391 bitsize = 0;
392 if (range_desc_type == NULL)
393 {
394 for (arr_type = type; TYPE_CODE (arr_type) == TYPE_CODE_ARRAY;
395 arr_type = TYPE_TARGET_TYPE (arr_type))
396 {
397 if (arr_type != type)
398 fprintf_filtered (stream, ", ");
399 print_range (TYPE_INDEX_TYPE (arr_type), stream);
400 if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0)
401 bitsize = TYPE_FIELD_BITSIZE (arr_type, 0);
402 }
403 }
d2e4a39e 404 else
14f9c5c9
AS
405 {
406 int k;
d2e4a39e
AS
407 n_indices = TYPE_NFIELDS (range_desc_type);
408 for (k = 0, arr_type = type;
14f9c5c9
AS
409 k < n_indices;
410 k += 1, arr_type = TYPE_TARGET_TYPE (arr_type))
411 {
412 if (k > 0)
413 fprintf_filtered (stream, ", ");
d2e4a39e
AS
414 print_range_type_named (TYPE_FIELD_NAME
415 (range_desc_type, k), stream);
14f9c5c9
AS
416 if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0)
417 bitsize = TYPE_FIELD_BITSIZE (arr_type, 0);
d2e4a39e 418 }
14f9c5c9
AS
419 }
420 }
d2e4a39e 421 else
14f9c5c9
AS
422 {
423 int i, i0;
424 for (i = i0 = ada_array_arity (type); i > 0; i -= 1)
425 fprintf_filtered (stream, "%s<>", i == i0 ? "" : ", ");
426 }
427 }
428
429 fprintf_filtered (stream, ") of ");
430 wrap_here ("");
d2e4a39e
AS
431 ada_print_type (ada_array_element_type (type, n_indices), "", stream,
432 show == 0 ? 0 : show - 1, level + 1);
14f9c5c9
AS
433 if (bitsize > 0)
434 fprintf_filtered (stream, " <packed: %d-bit elements>", bitsize);
435}
436
437/* Print the choices encoded by field FIELD_NUM of variant-part TYPE on
4c4b4cd2 438 STREAM, assuming the VAL_TYPE is the type of the values. */
14f9c5c9
AS
439
440static void
d2e4a39e
AS
441print_choices (struct type *type, int field_num, struct ui_file *stream,
442 struct type *val_type)
14f9c5c9
AS
443{
444 int have_output;
445 int p;
d2e4a39e 446 const char *name = TYPE_FIELD_NAME (type, field_num);
14f9c5c9
AS
447
448 have_output = 0;
449
4c4b4cd2 450 /* Skip over leading 'V': NOTE soon to be obsolete. */
14f9c5c9
AS
451 if (name[0] == 'V')
452 {
d2e4a39e 453 if (!ada_scan_number (name, 1, NULL, &p))
14f9c5c9
AS
454 goto Huh;
455 }
456 else
457 p = 0;
458
459 while (1)
460 {
d2e4a39e 461 switch (name[p])
14f9c5c9
AS
462 {
463 default:
464 return;
465 case 'S':
466 case 'R':
467 case 'O':
d2e4a39e 468 if (have_output)
14f9c5c9
AS
469 fprintf_filtered (stream, " | ");
470 have_output = 1;
471 break;
472 }
473
d2e4a39e 474 switch (name[p])
14f9c5c9
AS
475 {
476 case 'S':
477 {
478 LONGEST W;
d2e4a39e 479 if (!ada_scan_number (name, p + 1, &W, &p))
14f9c5c9
AS
480 goto Huh;
481 ada_print_scalar (val_type, W, stream);
482 break;
483 }
484 case 'R':
485 {
486 LONGEST L, U;
d2e4a39e
AS
487 if (!ada_scan_number (name, p + 1, &L, &p)
488 || name[p] != 'T' || !ada_scan_number (name, p + 1, &U, &p))
14f9c5c9
AS
489 goto Huh;
490 ada_print_scalar (val_type, L, stream);
491 fprintf_filtered (stream, " .. ");
492 ada_print_scalar (val_type, U, stream);
493 break;
494 }
495 case 'O':
496 fprintf_filtered (stream, "others");
497 p += 1;
498 break;
499 }
500 }
501
502Huh:
503 fprintf_filtered (stream, "??");
504
505}
506
4c4b4cd2
PH
507/* Assuming that field FIELD_NUM of TYPE is a VARIANTS field whose
508 discriminant is contained in OUTER_TYPE, print its variants on STREAM.
14f9c5c9
AS
509 LEVEL is the recursion
510 (indentation) level, in case any of the fields themselves have
511 nested structure, and SHOW is the number of levels of internal structure
4c4b4cd2 512 to show (see ada_print_type). For this purpose, fields nested in a
14f9c5c9 513 variant part are taken to be at the same level as the fields
4c4b4cd2 514 immediately outside the variant part. */
14f9c5c9
AS
515
516static void
ebf56fd3
AS
517print_variant_clauses (struct type *type, int field_num,
518 struct type *outer_type, struct ui_file *stream,
519 int show, int level)
14f9c5c9
AS
520{
521 int i;
4c4b4cd2 522 struct type *var_type, *par_type;
14f9c5c9
AS
523 struct type *discr_type;
524
525 var_type = TYPE_FIELD_TYPE (type, field_num);
526 discr_type = ada_variant_discrim_type (var_type, outer_type);
527
528 if (TYPE_CODE (var_type) == TYPE_CODE_PTR)
529 {
530 var_type = TYPE_TARGET_TYPE (var_type);
4c4b4cd2
PH
531 if (var_type == NULL || TYPE_CODE (var_type) != TYPE_CODE_UNION)
532 return;
14f9c5c9
AS
533 }
534
4c4b4cd2
PH
535 par_type = ada_find_parallel_type (var_type, "___XVU");
536 if (par_type != NULL)
537 var_type = par_type;
538
d2e4a39e 539 for (i = 0; i < TYPE_NFIELDS (var_type); i += 1)
14f9c5c9
AS
540 {
541 fprintf_filtered (stream, "\n%*swhen ", level + 4, "");
542 print_choices (var_type, i, stream, discr_type);
543 fprintf_filtered (stream, " =>");
d2e4a39e
AS
544 if (print_record_field_types (TYPE_FIELD_TYPE (var_type, i),
545 outer_type, stream, show, level + 4) <= 0)
14f9c5c9
AS
546 fprintf_filtered (stream, " null;");
547 }
548}
549
4c4b4cd2 550/* Assuming that field FIELD_NUM of TYPE is a variant part whose
14f9c5c9 551 discriminants are contained in OUTER_TYPE, print a description of it
4c4b4cd2
PH
552 on STREAM. LEVEL is the recursion (indentation) level, in case any of
553 the fields themselves have nested structure, and SHOW is the number of
554 levels of internal structure to show (see ada_print_type). For this
555 purpose, fields nested in a variant part are taken to be at the same
556 level as the fields immediately outside the variant part. */
14f9c5c9
AS
557
558static void
ebf56fd3
AS
559print_variant_part (struct type *type, int field_num, struct type *outer_type,
560 struct ui_file *stream, int show, int level)
14f9c5c9
AS
561{
562 fprintf_filtered (stream, "\n%*scase %s is", level + 4, "",
d2e4a39e
AS
563 ada_variant_discrim_name
564 (TYPE_FIELD_TYPE (type, field_num)));
565 print_variant_clauses (type, field_num, outer_type, stream, show,
566 level + 4);
14f9c5c9
AS
567 fprintf_filtered (stream, "\n%*send case;", level + 4, "");
568}
569
4c4b4cd2
PH
570/* Print a description on STREAM of the fields in record type TYPE, whose
571 discriminants are in OUTER_TYPE. LEVEL is the recursion (indentation)
572 level, in case any of the fields themselves have nested structure,
573 and SHOW is the number of levels of internal structure to show
574 (see ada_print_type). Does not print parent type information of TYPE.
575 Returns 0 if no fields printed, -1 for an incomplete type, else > 0.
14f9c5c9 576 Prints each field beginning on a new line, but does not put a new line at
4c4b4cd2 577 end. */
14f9c5c9
AS
578
579static int
ebf56fd3
AS
580print_record_field_types (struct type *type, struct type *outer_type,
581 struct ui_file *stream, int show, int level)
14f9c5c9
AS
582{
583 int len, i, flds;
584
585 flds = 0;
586 len = TYPE_NFIELDS (type);
587
588 if (len == 0 && (TYPE_FLAGS (type) & TYPE_FLAG_STUB) != 0)
589 return -1;
590
591 for (i = 0; i < len; i += 1)
592 {
593 QUIT;
594
d2e4a39e 595 if (ada_is_parent_field (type, i) || ada_is_ignored_field (type, i))
14f9c5c9
AS
596 ;
597 else if (ada_is_wrapper_field (type, i))
598 flds += print_record_field_types (TYPE_FIELD_TYPE (type, i), type,
599 stream, show, level);
d2e4a39e 600 else if (ada_is_variant_part (type, i))
14f9c5c9
AS
601 {
602 print_variant_part (type, i, outer_type, stream, show, level);
603 flds = 1;
604 }
605 else
606 {
607 flds += 1;
608 fprintf_filtered (stream, "\n%*s", level + 4, "");
609 ada_print_type (TYPE_FIELD_TYPE (type, i),
610 TYPE_FIELD_NAME (type, i),
611 stream, show - 1, level + 4);
612 fprintf_filtered (stream, ";");
613 }
614 }
615
616 return flds;
617}
618
4c4b4cd2
PH
619/* Print record type TYPE on STREAM. LEVEL is the recursion (indentation)
620 level, in case the element type itself has nested structure, and SHOW is
621 the number of levels of internal structure to show (see ada_print_type). */
14f9c5c9
AS
622
623static void
d2e4a39e
AS
624print_record_type (struct type *type0, struct ui_file *stream, int show,
625 int level)
14f9c5c9 626{
d2e4a39e
AS
627 struct type *parent_type;
628 struct type *type;
629
4c4b4cd2
PH
630 type = ada_find_parallel_type (type0, "___XVE");
631 if (type == NULL)
632 type = type0;
14f9c5c9
AS
633
634 parent_type = ada_parent_type (type);
d2e4a39e 635 if (ada_type_name (parent_type) != NULL)
0b48a291 636 fprintf_filtered (stream, "new %s with record",
4c4b4cd2
PH
637 decoded_type_name (parent_type));
638 else if (parent_type == NULL && ada_is_tagged_type (type, 0))
0b48a291
PH
639 fprintf_filtered (stream, "tagged record");
640 else
641 fprintf_filtered (stream, "record");
14f9c5c9
AS
642
643 if (show < 0)
0b48a291 644 fprintf_filtered (stream, " ... end record");
14f9c5c9
AS
645 else
646 {
647 int flds;
648
649 flds = 0;
650 if (parent_type != NULL && ada_type_name (parent_type) == NULL)
d2e4a39e 651 flds += print_record_field_types (parent_type, parent_type,
14f9c5c9
AS
652 stream, show, level);
653 flds += print_record_field_types (type, type, stream, show, level);
d2e4a39e 654
14f9c5c9 655 if (flds > 0)
0b48a291 656 fprintf_filtered (stream, "\n%*send record", level, "");
d2e4a39e 657 else if (flds < 0)
323e0a4a 658 fprintf_filtered (stream, _(" <incomplete type> end record"));
d2e4a39e 659 else
0b48a291 660 fprintf_filtered (stream, " null; end record");
14f9c5c9
AS
661 }
662}
663
664/* Print the unchecked union type TYPE in something resembling Ada
4c4b4cd2 665 format on STREAM. LEVEL is the recursion (indentation) level
14f9c5c9 666 in case the element type itself has nested structure, and SHOW is the
4c4b4cd2 667 number of levels of internal structure to show (see ada_print_type). */
14f9c5c9 668static void
d2e4a39e 669print_unchecked_union_type (struct type *type, struct ui_file *stream,
14f9c5c9
AS
670 int show, int level)
671{
14f9c5c9 672 if (show < 0)
0b48a291 673 fprintf_filtered (stream, "record (?) is ... end record");
d2e4a39e 674 else if (TYPE_NFIELDS (type) == 0)
0b48a291 675 fprintf_filtered (stream, "record (?) is null; end record");
14f9c5c9
AS
676 else
677 {
678 int i;
679
0b48a291 680 fprintf_filtered (stream, "record (?) is\n%*scase ? is", level + 4, "");
14f9c5c9 681
d2e4a39e 682 for (i = 0; i < TYPE_NFIELDS (type); i += 1)
14f9c5c9 683 {
0b48a291 684 fprintf_filtered (stream, "\n%*swhen ? =>\n%*s", level + 8, "",
d2e4a39e 685 level + 12, "");
14f9c5c9
AS
686 ada_print_type (TYPE_FIELD_TYPE (type, i),
687 TYPE_FIELD_NAME (type, i),
688 stream, show - 1, level + 12);
689 fprintf_filtered (stream, ";");
690 }
691
0b48a291 692 fprintf_filtered (stream, "\n%*send case;\n%*send record",
d2e4a39e 693 level + 4, "", level, "");
14f9c5c9
AS
694 }
695}
d2e4a39e 696
14f9c5c9
AS
697
698
699/* Print function or procedure type TYPE on STREAM. Make it a header
4c4b4cd2 700 for function or procedure NAME if NAME is not null. */
14f9c5c9
AS
701
702static void
d2e4a39e 703print_func_type (struct type *type, struct ui_file *stream, char *name)
14f9c5c9
AS
704{
705 int i, len = TYPE_NFIELDS (type);
706
707 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
708 fprintf_filtered (stream, "procedure");
709 else
710 fprintf_filtered (stream, "function");
711
d2e4a39e 712 if (name != NULL && name[0] != '\0')
14f9c5c9
AS
713 fprintf_filtered (stream, " %s", name);
714
d2e4a39e 715 if (len > 0)
14f9c5c9
AS
716 {
717 fprintf_filtered (stream, " (");
718 for (i = 0; i < len; i += 1)
719 {
720 if (i > 0)
721 {
722 fputs_filtered ("; ", stream);
723 wrap_here (" ");
724 }
d2e4a39e 725 fprintf_filtered (stream, "a%d: ", i + 1);
14f9c5c9
AS
726 ada_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0);
727 }
728 fprintf_filtered (stream, ")");
d2e4a39e 729 }
14f9c5c9
AS
730
731 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
732 {
733 fprintf_filtered (stream, " return ");
734 ada_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0);
735 }
736}
737
738
739/* Print a description of a type TYPE0.
740 Output goes to STREAM (via stdio).
741 If VARSTRING is a non-empty string, print as an Ada variable/field
742 declaration.
4c4b4cd2 743 SHOW+1 is the maximum number of levels of internal type structure
14f9c5c9
AS
744 to show (this applies to record types, enumerated types, and
745 array types).
746 SHOW is the number of levels of internal type structure to show
4c4b4cd2 747 when there is a type name for the SHOWth deepest level (0th is
14f9c5c9
AS
748 outer level).
749 When SHOW<0, no inner structure is shown.
4c4b4cd2 750 LEVEL indicates level of recursion (for nested definitions). */
14f9c5c9
AS
751
752void
d2e4a39e 753ada_print_type (struct type *type0, char *varstring, struct ui_file *stream,
ebf56fd3 754 int show, int level)
14f9c5c9 755{
61ee279c 756 struct type *type = ada_check_typedef (ada_get_base_type (type0));
4c4b4cd2 757 char *type_name = decoded_type_name (type);
14f9c5c9
AS
758 int is_var_decl = (varstring != NULL && varstring[0] != '\0');
759
760 if (type == NULL)
761 {
762 if (is_var_decl)
763 fprintf_filtered (stream, "%.*s: ",
d2e4a39e 764 ada_name_prefix_len (varstring), varstring);
14f9c5c9
AS
765 fprintf_filtered (stream, "<null type?>");
766 return;
767 }
768
769 if (show > 0)
61ee279c 770 type = ada_check_typedef (type);
14f9c5c9
AS
771
772 if (is_var_decl && TYPE_CODE (type) != TYPE_CODE_FUNC)
d2e4a39e
AS
773 fprintf_filtered (stream, "%.*s: ",
774 ada_name_prefix_len (varstring), varstring);
14f9c5c9
AS
775
776 if (type_name != NULL && show <= 0)
777 {
d2e4a39e 778 fprintf_filtered (stream, "%.*s",
14f9c5c9
AS
779 ada_name_prefix_len (type_name), type_name);
780 return;
781 }
782
783 if (ada_is_aligner_type (type))
784 ada_print_type (ada_aligned_type (type), "", stream, show, level);
785 else if (ada_is_packed_array_type (type))
786 print_array_type (type, stream, show, level);
787 else
d2e4a39e
AS
788 switch (TYPE_CODE (type))
789 {
790 default:
791 fprintf_filtered (stream, "<");
792 c_print_type (type, "", stream, show, level);
793 fprintf_filtered (stream, ">");
794 break;
795 case TYPE_CODE_PTR:
796 fprintf_filtered (stream, "access ");
797 ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
798 break;
799 case TYPE_CODE_REF:
800 fprintf_filtered (stream, "<ref> ");
801 ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
802 break;
803 case TYPE_CODE_ARRAY:
14f9c5c9 804 print_array_type (type, stream, show, level);
d2e4a39e
AS
805 break;
806 case TYPE_CODE_INT:
807 if (ada_is_fixed_point_type (type))
808 print_fixed_point_type (type, stream);
809 else if (ada_is_vax_floating_type (type))
810 print_vax_floating_point_type (type, stream);
811 else
812 {
813 char *name = ada_type_name (type);
814 if (!ada_is_range_type_name (name))
815 fprintf_filtered (stream, "<%d-byte integer>",
816 TYPE_LENGTH (type));
817 else
818 {
819 fprintf_filtered (stream, "range ");
820 print_range_type_named (name, stream);
821 }
822 }
823 break;
824 case TYPE_CODE_RANGE:
825 if (ada_is_fixed_point_type (type))
826 print_fixed_point_type (type, stream);
827 else if (ada_is_vax_floating_type (type))
828 print_vax_floating_point_type (type, stream);
829 else if (ada_is_modular_type (type))
830 fprintf_filtered (stream, "mod %ld", (long) ada_modulus (type));
831 else
832 {
833 fprintf_filtered (stream, "range ");
834 print_range (type, stream);
835 }
836 break;
837 case TYPE_CODE_FLT:
838 fprintf_filtered (stream, "<%d-byte float>", TYPE_LENGTH (type));
839 break;
840 case TYPE_CODE_ENUM:
841 if (show < 0)
842 fprintf_filtered (stream, "(...)");
843 else
844 print_enum_type (type, stream);
845 break;
846 case TYPE_CODE_STRUCT:
4c4b4cd2 847 if (ada_is_array_descriptor_type (type))
d2e4a39e
AS
848 print_array_type (type, stream, show, level);
849 else if (ada_is_bogus_array_descriptor (type))
850 fprintf_filtered (stream,
851 "array (?) of ? (<mal-formed descriptor>)");
852 else
853 print_record_type (type, stream, show, level);
854 break;
855 case TYPE_CODE_UNION:
856 print_unchecked_union_type (type, stream, show, level);
857 break;
858 case TYPE_CODE_FUNC:
859 print_func_type (type, stream, varstring);
860 break;
861 }
14f9c5c9 862}
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