Update copyright year in version of output (gdb/gdbserver/gdbreplay)
[deliverable/binutils-gdb.git] / gdb / ada-typeprint.c
CommitLineData
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
83e3a93c
PH
41static int print_selected_record_field_types (struct type *, struct type *,
42 int, int,
43 struct ui_file *, int, int);
44
d2e4a39e 45static int print_record_field_types (struct type *, struct type *,
14f9c5c9
AS
46 struct ui_file *, int, int);
47
d2e4a39e 48static void print_array_type (struct type *, struct ui_file *, int, int);
14f9c5c9 49
83e3a93c
PH
50static int print_choices (struct type *, int, struct ui_file *,
51 struct type *);
14f9c5c9 52
d2e4a39e 53static void print_range (struct type *, struct ui_file *);
14f9c5c9 54
d2e4a39e
AS
55static void print_range_bound (struct type *, char *, int *,
56 struct ui_file *);
14f9c5c9 57
d2e4a39e
AS
58static void
59print_dynamic_range_bound (struct type *, const char *, int,
60 const char *, struct ui_file *);
14f9c5c9 61
28c85d6c 62static void print_range_type (struct type *, struct ui_file *);
14f9c5c9
AS
63\f
64
d2e4a39e
AS
65
66static char *name_buffer;
14f9c5c9
AS
67static int name_buffer_len;
68
4c4b4cd2
PH
69/* The (decoded) Ada name of TYPE. This value persists until the
70 next call. */
14f9c5c9 71
d2e4a39e 72static char *
4c4b4cd2 73decoded_type_name (struct type *type)
14f9c5c9
AS
74{
75 if (ada_type_name (type) == NULL)
76 return NULL;
d2e4a39e 77 else
14f9c5c9 78 {
d2e4a39e
AS
79 char *raw_name = ada_type_name (type);
80 char *s, *q;
14f9c5c9
AS
81
82 if (name_buffer == NULL || name_buffer_len <= strlen (raw_name))
83 {
84 name_buffer_len = 16 + 2 * strlen (raw_name);
85 name_buffer = xrealloc (name_buffer, name_buffer_len);
86 }
87 strcpy (name_buffer, raw_name);
88
d2e4a39e 89 s = (char *) strstr (name_buffer, "___");
14f9c5c9
AS
90 if (s != NULL)
91 *s = '\0';
92
93 s = name_buffer + strlen (name_buffer) - 1;
94 while (s > name_buffer && (s[0] != '_' || s[-1] != '_'))
95 s -= 1;
96
97 if (s == name_buffer)
98 return name_buffer;
99
d2e4a39e 100 if (!islower (s[1]))
14f9c5c9
AS
101 return NULL;
102
103 for (s = q = name_buffer; *s != '\0'; q += 1)
104 {
105 if (s[0] == '_' && s[1] == '_')
106 {
d2e4a39e
AS
107 *q = '.';
108 s += 2;
14f9c5c9
AS
109 }
110 else
111 {
d2e4a39e
AS
112 *q = *s;
113 s += 1;
14f9c5c9
AS
114 }
115 }
116 *q = '\0';
117 return name_buffer;
118 }
119}
120
43bbcdc2 121/* Print TYPE on STREAM, preferably as a range. */
14f9c5c9
AS
122
123static void
d2e4a39e 124print_range (struct type *type, struct ui_file *stream)
14f9c5c9 125{
43bbcdc2 126 switch (TYPE_CODE (type))
14f9c5c9
AS
127 {
128 case TYPE_CODE_RANGE:
14f9c5c9 129 case TYPE_CODE_ENUM:
43bbcdc2
PH
130 {
131 struct type *target_type;
132 target_type = TYPE_TARGET_TYPE (type);
133 if (target_type == NULL)
134 target_type = type;
135 ada_print_scalar (target_type, ada_discrete_type_low_bound (type),
136 stream);
137 fprintf_filtered (stream, " .. ");
138 ada_print_scalar (target_type, ada_discrete_type_high_bound (type),
139 stream);
140 }
14f9c5c9
AS
141 break;
142 default:
14f9c5c9 143 fprintf_filtered (stream, "%.*s",
d2e4a39e
AS
144 ada_name_prefix_len (TYPE_NAME (type)),
145 TYPE_NAME (type));
43bbcdc2 146 break;
14f9c5c9
AS
147 }
148}
149
150/* Print the number or discriminant bound at BOUNDS+*N on STREAM, and
4c4b4cd2 151 set *N past the bound and its delimiter, if any. */
14f9c5c9
AS
152
153static void
d2e4a39e
AS
154print_range_bound (struct type *type, char *bounds, int *n,
155 struct ui_file *stream)
14f9c5c9
AS
156{
157 LONGEST B;
5b4ee69b 158
14f9c5c9
AS
159 if (ada_scan_number (bounds, *n, &B, n))
160 {
4c4b4cd2
PH
161 /* STABS decodes all range types which bounds are 0 .. -1 as
162 unsigned integers (ie. the type code is TYPE_CODE_INT, not
163 TYPE_CODE_RANGE). Unfortunately, ada_print_scalar() relies
164 on the unsigned flag to determine whether the bound should
165 be printed as a signed or an unsigned value. This causes
166 the upper bound of the 0 .. -1 range types to be printed as
167 a very large unsigned number instead of -1.
7c964f07
UW
168 To workaround this stabs deficiency, we replace the TYPE by NULL
169 to indicate default output when we detect that the bound is negative,
4c4b4cd2
PH
170 and the type is a TYPE_CODE_INT. The bound is negative when
171 'm' is the last character of the number scanned in BOUNDS. */
172 if (bounds[*n - 1] == 'm' && TYPE_CODE (type) == TYPE_CODE_INT)
7c964f07 173 type = NULL;
14f9c5c9
AS
174 ada_print_scalar (type, B, stream);
175 if (bounds[*n] == '_')
176 *n += 2;
177 }
178 else
179 {
180 int bound_len;
d2e4a39e
AS
181 char *bound = bounds + *n;
182 char *pend;
14f9c5c9
AS
183
184 pend = strstr (bound, "__");
185 if (pend == NULL)
186 *n += bound_len = strlen (bound);
d2e4a39e 187 else
14f9c5c9
AS
188 {
189 bound_len = pend - bound;
190 *n += bound_len + 2;
191 }
192 fprintf_filtered (stream, "%.*s", bound_len, bound);
193 }
194}
195
196/* Assuming NAME[0 .. NAME_LEN-1] is the name of a range type, print
197 the value (if found) of the bound indicated by SUFFIX ("___L" or
4c4b4cd2 198 "___U") according to the ___XD conventions. */
14f9c5c9
AS
199
200static void
d2e4a39e
AS
201print_dynamic_range_bound (struct type *type, const char *name, int name_len,
202 const char *suffix, struct ui_file *stream)
14f9c5c9
AS
203{
204 static char *name_buf = NULL;
205 static size_t name_buf_len = 0;
206 LONGEST B;
207 int OK;
208
209 GROW_VECT (name_buf, name_buf_len, name_len + strlen (suffix) + 1);
210 strncpy (name_buf, name, name_len);
211 strcpy (name_buf + name_len, suffix);
212
4c4b4cd2 213 B = get_int_var_value (name_buf, &OK);
14f9c5c9
AS
214 if (OK)
215 ada_print_scalar (type, B, stream);
216 else
217 fprintf_filtered (stream, "?");
218}
219
28c85d6c
JB
220/* Print RAW_TYPE as a range type, using any bound information
221 following the GNAT encoding (if available). */
14f9c5c9
AS
222
223static void
28c85d6c 224print_range_type (struct type *raw_type, struct ui_file *stream)
14f9c5c9 225{
28c85d6c 226 char *name;
14f9c5c9 227 struct type *base_type;
d2e4a39e 228 char *subtype_info;
14f9c5c9 229
28c85d6c
JB
230 gdb_assert (raw_type != NULL);
231 name = TYPE_NAME (raw_type);
232 gdb_assert (name != NULL);
1ce677a4
UW
233
234 if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE)
14f9c5c9
AS
235 base_type = TYPE_TARGET_TYPE (raw_type);
236 else
237 base_type = raw_type;
238
239 subtype_info = strstr (name, "___XD");
1ce677a4 240 if (subtype_info == NULL)
14f9c5c9
AS
241 print_range (raw_type, stream);
242 else
243 {
244 int prefix_len = subtype_info - name;
245 char *bounds_str;
246 int n;
247
248 subtype_info += 5;
249 bounds_str = strchr (subtype_info, '_');
250 n = 1;
251
d2e4a39e 252 if (*subtype_info == 'L')
14f9c5c9 253 {
4c4b4cd2 254 print_range_bound (base_type, bounds_str, &n, stream);
14f9c5c9
AS
255 subtype_info += 1;
256 }
257 else
4c4b4cd2 258 print_dynamic_range_bound (base_type, name, prefix_len, "___L",
d2e4a39e 259 stream);
14f9c5c9
AS
260
261 fprintf_filtered (stream, " .. ");
262
d2e4a39e 263 if (*subtype_info == 'U')
4c4b4cd2 264 print_range_bound (base_type, bounds_str, &n, stream);
14f9c5c9 265 else
4c4b4cd2 266 print_dynamic_range_bound (base_type, name, prefix_len, "___U",
d2e4a39e 267 stream);
14f9c5c9 268 }
d2e4a39e 269}
14f9c5c9 270
4c4b4cd2 271/* Print enumerated type TYPE on STREAM. */
14f9c5c9
AS
272
273static void
ebf56fd3 274print_enum_type (struct type *type, struct ui_file *stream)
14f9c5c9
AS
275{
276 int len = TYPE_NFIELDS (type);
277 int i, lastval;
278
279 fprintf_filtered (stream, "(");
280 wrap_here (" ");
281
282 lastval = 0;
283 for (i = 0; i < len; i++)
284 {
285 QUIT;
d2e4a39e
AS
286 if (i)
287 fprintf_filtered (stream, ", ");
14f9c5c9
AS
288 wrap_here (" ");
289 fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream);
290 if (lastval != TYPE_FIELD_BITPOS (type, i))
291 {
292 fprintf_filtered (stream, " => %d", TYPE_FIELD_BITPOS (type, i));
293 lastval = TYPE_FIELD_BITPOS (type, i);
294 }
295 lastval += 1;
296 }
297 fprintf_filtered (stream, ")");
298}
299
4c4b4cd2 300/* Print representation of Ada fixed-point type TYPE on STREAM. */
14f9c5c9
AS
301
302static void
ebf56fd3 303print_fixed_point_type (struct type *type, struct ui_file *stream)
14f9c5c9
AS
304{
305 DOUBLEST delta = ada_delta (type);
306 DOUBLEST small = ada_fixed_to_float (type, 1.0);
307
308 if (delta < 0.0)
309 fprintf_filtered (stream, "delta ??");
310 else
311 {
312 fprintf_filtered (stream, "delta %g", (double) delta);
d2e4a39e 313 if (delta != small)
14f9c5c9
AS
314 fprintf_filtered (stream, " <'small = %g>", (double) small);
315 }
316}
317
4c4b4cd2
PH
318/* Print simple (constrained) array type TYPE on STREAM. LEVEL is the
319 recursion (indentation) level, in case the element type itself has
14f9c5c9 320 nested structure, and SHOW is the number of levels of internal
4c4b4cd2 321 structure to show (see ada_print_type). */
14f9c5c9
AS
322
323static void
d2e4a39e
AS
324print_array_type (struct type *type, struct ui_file *stream, int show,
325 int level)
14f9c5c9
AS
326{
327 int bitsize;
328 int n_indices;
329
ad82864c 330 if (ada_is_constrained_packed_array_type (type))
727e3d2e
JB
331 type = ada_coerce_to_simple_array_type (type);
332
14f9c5c9
AS
333 bitsize = 0;
334 fprintf_filtered (stream, "array (");
335
cb249c71
TT
336 if (type == NULL)
337 {
338 fprintf_filtered (stream, _("<undecipherable array type>"));
339 return;
340 }
341
14f9c5c9 342 n_indices = -1;
d2e4a39e 343 if (show < 0)
14f9c5c9
AS
344 fprintf_filtered (stream, "...");
345 else
346 {
4c4b4cd2 347 if (ada_is_simple_array_type (type))
14f9c5c9 348 {
28c85d6c 349 struct type *range_desc_type;
d2e4a39e 350 struct type *arr_type;
14f9c5c9 351
28c85d6c
JB
352 range_desc_type = ada_find_parallel_type (type, "___XA");
353 ada_fixup_array_indexes_type (range_desc_type);
354
14f9c5c9
AS
355 bitsize = 0;
356 if (range_desc_type == NULL)
357 {
358 for (arr_type = type; TYPE_CODE (arr_type) == TYPE_CODE_ARRAY;
359 arr_type = TYPE_TARGET_TYPE (arr_type))
360 {
361 if (arr_type != type)
362 fprintf_filtered (stream, ", ");
363 print_range (TYPE_INDEX_TYPE (arr_type), stream);
364 if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0)
365 bitsize = TYPE_FIELD_BITSIZE (arr_type, 0);
366 }
367 }
d2e4a39e 368 else
14f9c5c9
AS
369 {
370 int k;
5b4ee69b 371
d2e4a39e
AS
372 n_indices = TYPE_NFIELDS (range_desc_type);
373 for (k = 0, arr_type = type;
14f9c5c9
AS
374 k < n_indices;
375 k += 1, arr_type = TYPE_TARGET_TYPE (arr_type))
376 {
377 if (k > 0)
378 fprintf_filtered (stream, ", ");
28c85d6c
JB
379 print_range_type (TYPE_FIELD_TYPE (range_desc_type, k),
380 stream);
14f9c5c9
AS
381 if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0)
382 bitsize = TYPE_FIELD_BITSIZE (arr_type, 0);
d2e4a39e 383 }
14f9c5c9
AS
384 }
385 }
d2e4a39e 386 else
14f9c5c9
AS
387 {
388 int i, i0;
5b4ee69b 389
14f9c5c9
AS
390 for (i = i0 = ada_array_arity (type); i > 0; i -= 1)
391 fprintf_filtered (stream, "%s<>", i == i0 ? "" : ", ");
392 }
393 }
394
395 fprintf_filtered (stream, ") of ");
396 wrap_here ("");
d2e4a39e
AS
397 ada_print_type (ada_array_element_type (type, n_indices), "", stream,
398 show == 0 ? 0 : show - 1, level + 1);
14f9c5c9
AS
399 if (bitsize > 0)
400 fprintf_filtered (stream, " <packed: %d-bit elements>", bitsize);
401}
402
403/* Print the choices encoded by field FIELD_NUM of variant-part TYPE on
83e3a93c 404 STREAM, assuming that VAL_TYPE (if non-NULL) is the type of the
feb864b7 405 values. Return non-zero if the field is an encoding of
83e3a93c
PH
406 discriminant values, as in a standard variant record, and 0 if the
407 field is not so encoded (as happens with single-component variants
feb864b7 408 in types annotated with pragma Unchecked_Variant). */
14f9c5c9 409
83e3a93c 410static int
d2e4a39e
AS
411print_choices (struct type *type, int field_num, struct ui_file *stream,
412 struct type *val_type)
14f9c5c9
AS
413{
414 int have_output;
415 int p;
d2e4a39e 416 const char *name = TYPE_FIELD_NAME (type, field_num);
14f9c5c9
AS
417
418 have_output = 0;
419
4c4b4cd2 420 /* Skip over leading 'V': NOTE soon to be obsolete. */
14f9c5c9
AS
421 if (name[0] == 'V')
422 {
d2e4a39e 423 if (!ada_scan_number (name, 1, NULL, &p))
14f9c5c9
AS
424 goto Huh;
425 }
426 else
427 p = 0;
428
429 while (1)
430 {
d2e4a39e 431 switch (name[p])
14f9c5c9
AS
432 {
433 default:
83e3a93c
PH
434 goto Huh;
435 case '_':
436 case '\0':
437 fprintf_filtered (stream, " =>");
438 return 1;
14f9c5c9
AS
439 case 'S':
440 case 'R':
441 case 'O':
d2e4a39e 442 if (have_output)
14f9c5c9
AS
443 fprintf_filtered (stream, " | ");
444 have_output = 1;
445 break;
446 }
447
d2e4a39e 448 switch (name[p])
14f9c5c9
AS
449 {
450 case 'S':
451 {
452 LONGEST W;
5b4ee69b 453
d2e4a39e 454 if (!ada_scan_number (name, p + 1, &W, &p))
14f9c5c9
AS
455 goto Huh;
456 ada_print_scalar (val_type, W, stream);
457 break;
458 }
459 case 'R':
460 {
461 LONGEST L, U;
5b4ee69b 462
d2e4a39e
AS
463 if (!ada_scan_number (name, p + 1, &L, &p)
464 || name[p] != 'T' || !ada_scan_number (name, p + 1, &U, &p))
14f9c5c9
AS
465 goto Huh;
466 ada_print_scalar (val_type, L, stream);
467 fprintf_filtered (stream, " .. ");
468 ada_print_scalar (val_type, U, stream);
469 break;
470 }
471 case 'O':
472 fprintf_filtered (stream, "others");
473 p += 1;
474 break;
475 }
476 }
477
478Huh:
83e3a93c
PH
479 fprintf_filtered (stream, "?? =>");
480 return 0;
14f9c5c9
AS
481}
482
83e3a93c
PH
483/* Assuming that field FIELD_NUM of TYPE represents variants whose
484 discriminant is contained in OUTER_TYPE, print its components on STREAM.
485 LEVEL is the recursion (indentation) level, in case any of the fields
486 themselves have nested structure, and SHOW is the number of levels of
487 internal structure to show (see ada_print_type). For this purpose,
488 fields nested in a variant part are taken to be at the same level as
489 the fields immediately outside the variant part. */
14f9c5c9
AS
490
491static void
ebf56fd3
AS
492print_variant_clauses (struct type *type, int field_num,
493 struct type *outer_type, struct ui_file *stream,
494 int show, int level)
14f9c5c9
AS
495{
496 int i;
4c4b4cd2 497 struct type *var_type, *par_type;
14f9c5c9
AS
498 struct type *discr_type;
499
500 var_type = TYPE_FIELD_TYPE (type, field_num);
501 discr_type = ada_variant_discrim_type (var_type, outer_type);
502
503 if (TYPE_CODE (var_type) == TYPE_CODE_PTR)
504 {
505 var_type = TYPE_TARGET_TYPE (var_type);
4c4b4cd2
PH
506 if (var_type == NULL || TYPE_CODE (var_type) != TYPE_CODE_UNION)
507 return;
14f9c5c9
AS
508 }
509
4c4b4cd2
PH
510 par_type = ada_find_parallel_type (var_type, "___XVU");
511 if (par_type != NULL)
512 var_type = par_type;
513
d2e4a39e 514 for (i = 0; i < TYPE_NFIELDS (var_type); i += 1)
14f9c5c9
AS
515 {
516 fprintf_filtered (stream, "\n%*swhen ", level + 4, "");
83e3a93c
PH
517 if (print_choices (var_type, i, stream, discr_type))
518 {
519 if (print_record_field_types (TYPE_FIELD_TYPE (var_type, i),
520 outer_type, stream, show, level + 4)
521 <= 0)
522 fprintf_filtered (stream, " null;");
523 }
524 else
525 print_selected_record_field_types (var_type, outer_type, i, i,
526 stream, show, level + 4);
14f9c5c9
AS
527 }
528}
529
4c4b4cd2 530/* Assuming that field FIELD_NUM of TYPE is a variant part whose
14f9c5c9 531 discriminants are contained in OUTER_TYPE, print a description of it
4c4b4cd2
PH
532 on STREAM. LEVEL is the recursion (indentation) level, in case any of
533 the fields themselves have nested structure, and SHOW is the number of
534 levels of internal structure to show (see ada_print_type). For this
535 purpose, fields nested in a variant part are taken to be at the same
536 level as the fields immediately outside the variant part. */
14f9c5c9
AS
537
538static void
ebf56fd3
AS
539print_variant_part (struct type *type, int field_num, struct type *outer_type,
540 struct ui_file *stream, int show, int level)
14f9c5c9
AS
541{
542 fprintf_filtered (stream, "\n%*scase %s is", level + 4, "",
d2e4a39e
AS
543 ada_variant_discrim_name
544 (TYPE_FIELD_TYPE (type, field_num)));
545 print_variant_clauses (type, field_num, outer_type, stream, show,
546 level + 4);
14f9c5c9
AS
547 fprintf_filtered (stream, "\n%*send case;", level + 4, "");
548}
549
83e3a93c
PH
550/* Print a description on STREAM of the fields FLD0 through FLD1 in
551 record or union type TYPE, whose discriminants are in OUTER_TYPE.
552 LEVEL is the recursion (indentation) level, in case any of the
553 fields themselves have nested structure, and SHOW is the number of
554 levels of internal structure to show (see ada_print_type). Does
feb864b7 555 not print parent type information of TYPE. Returns 0 if no fields
83e3a93c
PH
556 printed, -1 for an incomplete type, else > 0. Prints each field
557 beginning on a new line, but does not put a new line at end. */
14f9c5c9
AS
558
559static int
83e3a93c
PH
560print_selected_record_field_types (struct type *type, struct type *outer_type,
561 int fld0, int fld1,
562 struct ui_file *stream, int show, int level)
14f9c5c9 563{
83e3a93c 564 int i, flds;
14f9c5c9
AS
565
566 flds = 0;
14f9c5c9 567
83e3a93c 568 if (fld0 > fld1 && TYPE_STUB (type))
14f9c5c9
AS
569 return -1;
570
83e3a93c 571 for (i = fld0; i <= fld1; i += 1)
14f9c5c9
AS
572 {
573 QUIT;
574
d2e4a39e 575 if (ada_is_parent_field (type, i) || ada_is_ignored_field (type, i))
14f9c5c9
AS
576 ;
577 else if (ada_is_wrapper_field (type, i))
578 flds += print_record_field_types (TYPE_FIELD_TYPE (type, i), type,
579 stream, show, level);
d2e4a39e 580 else if (ada_is_variant_part (type, i))
14f9c5c9
AS
581 {
582 print_variant_part (type, i, outer_type, stream, show, level);
583 flds = 1;
584 }
585 else
586 {
587 flds += 1;
588 fprintf_filtered (stream, "\n%*s", level + 4, "");
589 ada_print_type (TYPE_FIELD_TYPE (type, i),
590 TYPE_FIELD_NAME (type, i),
591 stream, show - 1, level + 4);
592 fprintf_filtered (stream, ";");
593 }
594 }
595
596 return flds;
597}
598
83e3a93c
PH
599/* Print a description on STREAM of all fields of record or union type
600 TYPE, as for print_selected_record_field_types, above. */
601
602static int
603print_record_field_types (struct type *type, struct type *outer_type,
604 struct ui_file *stream, int show, int level)
605{
606 return print_selected_record_field_types (type, outer_type,
607 0, TYPE_NFIELDS (type) - 1,
608 stream, show, level);
609}
610
611
4c4b4cd2
PH
612/* Print record type TYPE on STREAM. LEVEL is the recursion (indentation)
613 level, in case the element type itself has nested structure, and SHOW is
614 the number of levels of internal structure to show (see ada_print_type). */
14f9c5c9
AS
615
616static void
d2e4a39e
AS
617print_record_type (struct type *type0, struct ui_file *stream, int show,
618 int level)
14f9c5c9 619{
d2e4a39e
AS
620 struct type *parent_type;
621 struct type *type;
622
4c4b4cd2
PH
623 type = ada_find_parallel_type (type0, "___XVE");
624 if (type == NULL)
625 type = type0;
14f9c5c9
AS
626
627 parent_type = ada_parent_type (type);
d2e4a39e 628 if (ada_type_name (parent_type) != NULL)
0b48a291 629 fprintf_filtered (stream, "new %s with record",
4c4b4cd2
PH
630 decoded_type_name (parent_type));
631 else if (parent_type == NULL && ada_is_tagged_type (type, 0))
0b48a291
PH
632 fprintf_filtered (stream, "tagged record");
633 else
634 fprintf_filtered (stream, "record");
14f9c5c9
AS
635
636 if (show < 0)
0b48a291 637 fprintf_filtered (stream, " ... end record");
14f9c5c9
AS
638 else
639 {
640 int flds;
641
642 flds = 0;
643 if (parent_type != NULL && ada_type_name (parent_type) == NULL)
d2e4a39e 644 flds += print_record_field_types (parent_type, parent_type,
14f9c5c9
AS
645 stream, show, level);
646 flds += print_record_field_types (type, type, stream, show, level);
d2e4a39e 647
14f9c5c9 648 if (flds > 0)
0b48a291 649 fprintf_filtered (stream, "\n%*send record", level, "");
d2e4a39e 650 else if (flds < 0)
323e0a4a 651 fprintf_filtered (stream, _(" <incomplete type> end record"));
d2e4a39e 652 else
0b48a291 653 fprintf_filtered (stream, " null; end record");
14f9c5c9
AS
654 }
655}
656
657/* Print the unchecked union type TYPE in something resembling Ada
4c4b4cd2 658 format on STREAM. LEVEL is the recursion (indentation) level
14f9c5c9 659 in case the element type itself has nested structure, and SHOW is the
4c4b4cd2 660 number of levels of internal structure to show (see ada_print_type). */
14f9c5c9 661static void
d2e4a39e 662print_unchecked_union_type (struct type *type, struct ui_file *stream,
14f9c5c9
AS
663 int show, int level)
664{
14f9c5c9 665 if (show < 0)
0b48a291 666 fprintf_filtered (stream, "record (?) is ... end record");
d2e4a39e 667 else if (TYPE_NFIELDS (type) == 0)
0b48a291 668 fprintf_filtered (stream, "record (?) is null; end record");
14f9c5c9
AS
669 else
670 {
671 int i;
672
0b48a291 673 fprintf_filtered (stream, "record (?) is\n%*scase ? is", level + 4, "");
14f9c5c9 674
d2e4a39e 675 for (i = 0; i < TYPE_NFIELDS (type); i += 1)
14f9c5c9 676 {
0b48a291 677 fprintf_filtered (stream, "\n%*swhen ? =>\n%*s", level + 8, "",
d2e4a39e 678 level + 12, "");
14f9c5c9
AS
679 ada_print_type (TYPE_FIELD_TYPE (type, i),
680 TYPE_FIELD_NAME (type, i),
681 stream, show - 1, level + 12);
682 fprintf_filtered (stream, ";");
683 }
684
0b48a291 685 fprintf_filtered (stream, "\n%*send case;\n%*send record",
d2e4a39e 686 level + 4, "", level, "");
14f9c5c9
AS
687 }
688}
d2e4a39e 689
14f9c5c9
AS
690
691
692/* Print function or procedure type TYPE on STREAM. Make it a header
4c4b4cd2 693 for function or procedure NAME if NAME is not null. */
14f9c5c9
AS
694
695static void
25b524e8 696print_func_type (struct type *type, struct ui_file *stream, const char *name)
14f9c5c9
AS
697{
698 int i, len = TYPE_NFIELDS (type);
699
700 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
701 fprintf_filtered (stream, "procedure");
702 else
703 fprintf_filtered (stream, "function");
704
d2e4a39e 705 if (name != NULL && name[0] != '\0')
14f9c5c9
AS
706 fprintf_filtered (stream, " %s", name);
707
d2e4a39e 708 if (len > 0)
14f9c5c9
AS
709 {
710 fprintf_filtered (stream, " (");
711 for (i = 0; i < len; i += 1)
712 {
713 if (i > 0)
714 {
715 fputs_filtered ("; ", stream);
716 wrap_here (" ");
717 }
d2e4a39e 718 fprintf_filtered (stream, "a%d: ", i + 1);
14f9c5c9
AS
719 ada_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0);
720 }
721 fprintf_filtered (stream, ")");
d2e4a39e 722 }
14f9c5c9
AS
723
724 if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
725 {
726 fprintf_filtered (stream, " return ");
727 ada_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0);
728 }
729}
730
731
732/* Print a description of a type TYPE0.
733 Output goes to STREAM (via stdio).
734 If VARSTRING is a non-empty string, print as an Ada variable/field
735 declaration.
4c4b4cd2 736 SHOW+1 is the maximum number of levels of internal type structure
14f9c5c9
AS
737 to show (this applies to record types, enumerated types, and
738 array types).
739 SHOW is the number of levels of internal type structure to show
4c4b4cd2 740 when there is a type name for the SHOWth deepest level (0th is
14f9c5c9
AS
741 outer level).
742 When SHOW<0, no inner structure is shown.
4c4b4cd2 743 LEVEL indicates level of recursion (for nested definitions). */
14f9c5c9
AS
744
745void
25b524e8
JK
746ada_print_type (struct type *type0, const char *varstring,
747 struct ui_file *stream, int show, int level)
14f9c5c9 748{
61ee279c 749 struct type *type = ada_check_typedef (ada_get_base_type (type0));
f192137b 750 char *type_name = decoded_type_name (type0);
14f9c5c9
AS
751 int is_var_decl = (varstring != NULL && varstring[0] != '\0');
752
753 if (type == NULL)
754 {
755 if (is_var_decl)
756 fprintf_filtered (stream, "%.*s: ",
d2e4a39e 757 ada_name_prefix_len (varstring), varstring);
14f9c5c9
AS
758 fprintf_filtered (stream, "<null type?>");
759 return;
760 }
761
762 if (show > 0)
61ee279c 763 type = ada_check_typedef (type);
14f9c5c9
AS
764
765 if (is_var_decl && TYPE_CODE (type) != TYPE_CODE_FUNC)
d2e4a39e
AS
766 fprintf_filtered (stream, "%.*s: ",
767 ada_name_prefix_len (varstring), varstring);
14f9c5c9
AS
768
769 if (type_name != NULL && show <= 0)
770 {
d2e4a39e 771 fprintf_filtered (stream, "%.*s",
14f9c5c9
AS
772 ada_name_prefix_len (type_name), type_name);
773 return;
774 }
775
776 if (ada_is_aligner_type (type))
777 ada_print_type (ada_aligned_type (type), "", stream, show, level);
ad82864c 778 else if (ada_is_constrained_packed_array_type (type))
727e3d2e
JB
779 {
780 if (TYPE_CODE (type) == TYPE_CODE_PTR)
781 {
782 fprintf_filtered (stream, "access ");
783 print_array_type (TYPE_TARGET_TYPE (type), stream, show, level);
784 }
785 else
786 {
787 print_array_type (type, stream, show, level);
788 }
789 }
14f9c5c9 790 else
d2e4a39e
AS
791 switch (TYPE_CODE (type))
792 {
793 default:
794 fprintf_filtered (stream, "<");
795 c_print_type (type, "", stream, show, level);
796 fprintf_filtered (stream, ">");
797 break;
798 case TYPE_CODE_PTR:
720d1a40 799 case TYPE_CODE_TYPEDEF:
d2e4a39e
AS
800 fprintf_filtered (stream, "access ");
801 ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
802 break;
803 case TYPE_CODE_REF:
804 fprintf_filtered (stream, "<ref> ");
805 ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level);
806 break;
807 case TYPE_CODE_ARRAY:
14f9c5c9 808 print_array_type (type, stream, show, level);
d2e4a39e 809 break;
690cc4eb
PH
810 case TYPE_CODE_BOOL:
811 fprintf_filtered (stream, "(false, true)");
812 break;
d2e4a39e
AS
813 case TYPE_CODE_INT:
814 if (ada_is_fixed_point_type (type))
815 print_fixed_point_type (type, stream);
d2e4a39e
AS
816 else
817 {
818 char *name = ada_type_name (type);
5b4ee69b 819
d2e4a39e 820 if (!ada_is_range_type_name (name))
e1d5a0d2 821 fprintf_filtered (stream, _("<%d-byte integer>"),
d2e4a39e
AS
822 TYPE_LENGTH (type));
823 else
824 {
825 fprintf_filtered (stream, "range ");
28c85d6c 826 print_range_type (type, stream);
d2e4a39e
AS
827 }
828 }
829 break;
830 case TYPE_CODE_RANGE:
831 if (ada_is_fixed_point_type (type))
832 print_fixed_point_type (type, stream);
d2e4a39e 833 else if (ada_is_modular_type (type))
529cad9c
PH
834 fprintf_filtered (stream, "mod %s",
835 int_string (ada_modulus (type), 10, 0, 0, 1));
d2e4a39e
AS
836 else
837 {
838 fprintf_filtered (stream, "range ");
839 print_range (type, stream);
840 }
841 break;
842 case TYPE_CODE_FLT:
e1d5a0d2 843 fprintf_filtered (stream, _("<%d-byte float>"), TYPE_LENGTH (type));
d2e4a39e
AS
844 break;
845 case TYPE_CODE_ENUM:
846 if (show < 0)
847 fprintf_filtered (stream, "(...)");
848 else
849 print_enum_type (type, stream);
850 break;
851 case TYPE_CODE_STRUCT:
4c4b4cd2 852 if (ada_is_array_descriptor_type (type))
d2e4a39e
AS
853 print_array_type (type, stream, show, level);
854 else if (ada_is_bogus_array_descriptor (type))
855 fprintf_filtered (stream,
e1d5a0d2 856 _("array (?) of ? (<mal-formed descriptor>)"));
d2e4a39e
AS
857 else
858 print_record_type (type, stream, show, level);
859 break;
860 case TYPE_CODE_UNION:
861 print_unchecked_union_type (type, stream, show, level);
862 break;
863 case TYPE_CODE_FUNC:
864 print_func_type (type, stream, varstring);
865 break;
866 }
14f9c5c9 867}
be942545
JB
868
869/* Implement the la_print_typedef language method for Ada. */
870
871void
872ada_print_typedef (struct type *type, struct symbol *new_symbol,
873 struct ui_file *stream)
874{
875 type = ada_check_typedef (type);
876 ada_print_type (type, "", stream, 0, 0);
877 fprintf_filtered (stream, "\n");
878}
This page took 0.538331 seconds and 4 git commands to generate.