1 /* Support for printing Ada values for GDB, the GNU debugger.
3 Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1997, 2001, 2002,
4 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
25 #include "gdb_string.h"
28 #include "expression.h"
37 #include "exceptions.h"
39 /* Encapsulates arguments to ada_val_print. */
40 struct ada_val_print_args
43 const gdb_byte
*valaddr0
;
46 struct ui_file
*stream
;
50 enum val_prettyprint pretty
;
53 static void print_record (struct type
*, const gdb_byte
*, struct ui_file
*,
54 int, int, enum val_prettyprint
);
56 static int print_field_values (struct type
*, const gdb_byte
*,
57 struct ui_file
*, int, int,
58 enum val_prettyprint
, int, struct type
*,
61 static void adjust_type_signedness (struct type
*);
63 static int ada_val_print_stub (void *args0
);
65 static int ada_val_print_1 (struct type
*, const gdb_byte
*, int, CORE_ADDR
,
66 struct ui_file
*, int, int, int,
67 enum val_prettyprint
);
70 /* Make TYPE unsigned if its range of values includes no negatives. */
72 adjust_type_signedness (struct type
*type
)
74 if (type
!= NULL
&& TYPE_CODE (type
) == TYPE_CODE_RANGE
75 && TYPE_LOW_BOUND (type
) >= 0)
76 TYPE_FLAGS (type
) |= TYPE_FLAG_UNSIGNED
;
79 /* Assuming TYPE is a simple, non-empty array type, prints its lower bound
80 on STREAM, if non-standard (i.e., other than 1 for numbers, other
81 than lower bound of index type for enumerated type). Returns 1
82 if something printed, otherwise 0. */
85 print_optional_low_bound (struct ui_file
*stream
, struct type
*type
)
87 struct type
*index_type
;
90 if (print_array_indexes_p ())
93 if (!get_array_low_bound (type
, &low_bound
))
96 index_type
= TYPE_INDEX_TYPE (type
);
98 if (TYPE_CODE (index_type
) == TYPE_CODE_RANGE
)
100 /* We need to know what the base type is, in order to do the
101 appropriate check below. Otherwise, if this is a subrange
102 of an enumerated type, where the underlying value of the
103 first element is typically 0, we might test the low bound
104 against the wrong value. */
105 index_type
= TYPE_TARGET_TYPE (index_type
);
108 switch (TYPE_CODE (index_type
))
111 if (low_bound
== TYPE_FIELD_BITPOS (index_type
, 0))
114 case TYPE_CODE_UNDEF
:
115 index_type
= builtin_type_long
;
123 ada_print_scalar (index_type
, (LONGEST
) low_bound
, stream
);
124 fprintf_filtered (stream
, " => ");
128 /* Version of val_print_array_elements for GNAT-style packed arrays.
129 Prints elements of packed array of type TYPE at bit offset
130 BITOFFSET from VALADDR on STREAM. Formats according to FORMAT and
131 separates with commas. RECURSE is the recursion (nesting) level.
132 If PRETTY, uses "prettier" format. TYPE must have been decoded (as
133 by ada_coerce_to_simple_array). */
136 val_print_packed_array_elements (struct type
*type
, const gdb_byte
*valaddr
,
137 int bitoffset
, struct ui_file
*stream
,
138 int format
, int recurse
,
139 enum val_prettyprint pretty
)
142 unsigned int things_printed
= 0;
144 struct type
*elttype
, *index_type
;
146 unsigned long bitsize
= TYPE_FIELD_BITSIZE (type
, 0);
147 struct value
*mark
= value_mark ();
150 elttype
= TYPE_TARGET_TYPE (type
);
151 eltlen
= TYPE_LENGTH (check_typedef (elttype
));
152 index_type
= TYPE_INDEX_TYPE (type
);
156 if (get_discrete_bounds (TYPE_FIELD_TYPE (type
, 0), &low
, &high
) < 0)
159 len
= high
- low
+ 1;
163 annotate_array_section_begin (i
, elttype
);
165 while (i
< len
&& things_printed
< print_max
)
167 struct value
*v0
, *v1
;
172 if (prettyprint_arrays
)
174 fprintf_filtered (stream
, ",\n");
175 print_spaces_filtered (2 + 2 * recurse
, stream
);
179 fprintf_filtered (stream
, ", ");
182 wrap_here (n_spaces (2 + 2 * recurse
));
183 maybe_print_array_index (index_type
, i
+ low
, stream
, format
, pretty
);
186 v0
= ada_value_primitive_packed_val (NULL
, valaddr
,
187 (i0
* bitsize
) / HOST_CHAR_BIT
,
188 (i0
* bitsize
) % HOST_CHAR_BIT
,
195 v1
= ada_value_primitive_packed_val (NULL
, valaddr
,
196 (i
* bitsize
) / HOST_CHAR_BIT
,
197 (i
* bitsize
) % HOST_CHAR_BIT
,
199 if (memcmp (value_contents (v0
), value_contents (v1
), eltlen
) != 0)
203 if (i
- i0
> repeat_count_threshold
)
205 val_print (elttype
, value_contents (v0
), 0, 0, stream
, format
,
206 0, recurse
+ 1, pretty
);
207 annotate_elt_rep (i
- i0
);
208 fprintf_filtered (stream
, _(" <repeats %u times>"), i
- i0
);
209 annotate_elt_rep_end ();
215 for (j
= i0
; j
< i
; j
+= 1)
219 if (prettyprint_arrays
)
221 fprintf_filtered (stream
, ",\n");
222 print_spaces_filtered (2 + 2 * recurse
, stream
);
226 fprintf_filtered (stream
, ", ");
228 wrap_here (n_spaces (2 + 2 * recurse
));
229 maybe_print_array_index (index_type
, j
+ low
,
230 stream
, format
, pretty
);
232 val_print (elttype
, value_contents (v0
), 0, 0, stream
, format
,
233 0, recurse
+ 1, pretty
);
237 things_printed
+= i
- i0
;
239 annotate_array_section_end ();
242 fprintf_filtered (stream
, "...");
245 value_free_to_mark (mark
);
249 printable_val_type (struct type
*type
, const gdb_byte
*valaddr
)
251 return ada_to_fixed_type (ada_aligned_type (type
), valaddr
, 0, NULL
);
254 /* Print the character C on STREAM as part of the contents of a literal
255 string whose delimiter is QUOTER. TYPE_LEN is the length in bytes
256 (1 or 2) of the character. */
259 ada_emit_char (int c
, struct ui_file
*stream
, int quoter
, int type_len
)
264 c
&= (1 << (type_len
* TARGET_CHAR_BIT
)) - 1;
266 if (isascii (c
) && isprint (c
))
268 if (c
== quoter
&& c
== '"')
269 fprintf_filtered (stream
, "\"\"");
271 fprintf_filtered (stream
, "%c", c
);
274 fprintf_filtered (stream
, "[\"%0*x\"]", type_len
* 2, c
);
277 /* Character #I of STRING, given that TYPE_LEN is the size in bytes (1
278 or 2) of a character. */
281 char_at (const gdb_byte
*string
, int i
, int type_len
)
286 return (int) extract_unsigned_integer (string
+ 2 * i
, 2);
289 /* Wrapper around memcpy to make it legal argument to ui_file_put */
291 ui_memcpy (void *dest
, const char *buffer
, long len
)
293 memcpy (dest
, buffer
, (size_t) len
);
294 ((char *) dest
)[len
] = '\0';
297 /* Print a floating-point value of type TYPE, pointed to in GDB by
298 VALADDR, on STREAM. Use Ada formatting conventions: there must be
299 a decimal point, and at least one digit before and after the
300 point. We use GNAT format for NaNs and infinities. */
302 ada_print_floating (const gdb_byte
*valaddr
, struct type
*type
,
303 struct ui_file
*stream
)
308 struct ui_file
*tmp_stream
= mem_fileopen ();
309 struct cleanup
*cleanups
= make_cleanup_ui_file_delete (tmp_stream
);
311 print_floating (valaddr
, type
, tmp_stream
);
312 ui_file_put (tmp_stream
, ui_memcpy
, buffer
);
313 do_cleanups (cleanups
);
316 len
= strlen (result
);
318 /* Modify for Ada rules. */
320 s
= strstr (result
, "inf");
322 s
= strstr (result
, "Inf");
324 s
= strstr (result
, "INF");
330 s
= strstr (result
, "nan");
332 s
= strstr (result
, "NaN");
334 s
= strstr (result
, "Nan");
338 if (result
[0] == '-')
343 if (s
== NULL
&& strchr (result
, '.') == NULL
)
345 s
= strchr (result
, 'e');
347 fprintf_filtered (stream
, "%s.0", result
);
349 fprintf_filtered (stream
, "%.*s.0%s", (int) (s
-result
), result
, s
);
352 fprintf_filtered (stream
, "%s", result
);
356 ada_printchar (int c
, struct ui_file
*stream
)
358 fputs_filtered ("'", stream
);
359 ada_emit_char (c
, stream
, '\'', 1);
360 fputs_filtered ("'", stream
);
363 /* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a
364 form appropriate for TYPE. */
367 ada_print_scalar (struct type
*type
, LONGEST val
, struct ui_file
*stream
)
372 type
= ada_check_typedef (type
);
374 switch (TYPE_CODE (type
))
378 len
= TYPE_NFIELDS (type
);
379 for (i
= 0; i
< len
; i
++)
381 if (TYPE_FIELD_BITPOS (type
, i
) == val
)
388 fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type
, i
)), stream
);
392 print_longest (stream
, 'd', 0, val
);
397 print_longest (stream
, TYPE_UNSIGNED (type
) ? 'u' : 'd', 0, val
);
401 LA_PRINT_CHAR ((unsigned char) val
, stream
);
405 fprintf_filtered (stream
, val
? "true" : "false");
408 case TYPE_CODE_RANGE
:
409 ada_print_scalar (TYPE_TARGET_TYPE (type
), val
, stream
);
412 case TYPE_CODE_UNDEF
:
414 case TYPE_CODE_ARRAY
:
415 case TYPE_CODE_STRUCT
:
416 case TYPE_CODE_UNION
:
421 case TYPE_CODE_STRING
:
422 case TYPE_CODE_ERROR
:
423 case TYPE_CODE_MEMBERPTR
:
424 case TYPE_CODE_METHODPTR
:
425 case TYPE_CODE_METHOD
:
427 warning (_("internal error: unhandled type in ada_print_scalar"));
431 error (_("Invalid type code in symbol table."));
436 /* Print the character string STRING, printing at most LENGTH characters.
437 Printing stops early if the number hits print_max; repeat counts
438 are printed as appropriate. Print ellipses at the end if we
439 had to stop before printing LENGTH characters, or if
440 FORCE_ELLIPSES. TYPE_LEN is the length (1 or 2) of the character type.
444 printstr (struct ui_file
*stream
, const gdb_byte
*string
,
445 unsigned int length
, int force_ellipses
, int type_len
)
448 unsigned int things_printed
= 0;
454 fputs_filtered ("\"\"", stream
);
458 for (i
= 0; i
< length
&& things_printed
< print_max
; i
+= 1)
460 /* Position of the character we are examining
461 to see whether it is repeated. */
463 /* Number of repetitions we have detected so far. */
470 fputs_filtered (", ", stream
);
477 && char_at (string
, rep1
, type_len
) == char_at (string
, i
,
484 if (reps
> repeat_count_threshold
)
489 fputs_filtered ("\\\", ", stream
);
491 fputs_filtered ("\", ", stream
);
494 fputs_filtered ("'", stream
);
495 ada_emit_char (char_at (string
, i
, type_len
), stream
, '\'',
497 fputs_filtered ("'", stream
);
498 fprintf_filtered (stream
, _(" <repeats %u times>"), reps
);
500 things_printed
+= repeat_count_threshold
;
508 fputs_filtered ("\\\"", stream
);
510 fputs_filtered ("\"", stream
);
513 ada_emit_char (char_at (string
, i
, type_len
), stream
, '"',
519 /* Terminate the quotes if necessary. */
523 fputs_filtered ("\\\"", stream
);
525 fputs_filtered ("\"", stream
);
528 if (force_ellipses
|| i
< length
)
529 fputs_filtered ("...", stream
);
533 ada_printstr (struct ui_file
*stream
, const gdb_byte
*string
,
534 unsigned int length
, int width
, int force_ellipses
)
536 printstr (stream
, string
, length
, force_ellipses
, width
);
540 /* Print data of type TYPE located at VALADDR (within GDB), which came from
541 the inferior at address ADDRESS, onto stdio stream STREAM according to
542 FORMAT (a letter as for the printf % codes or 0 for natural format).
543 The data at VALADDR is in target byte order.
545 If the data is printed as a string, returns the number of string characters
548 If DEREF_REF is nonzero, then dereference references, otherwise just print
551 RECURSE indicates the amount of indentation to supply before
552 continuation lines; this amount is roughly twice the value of RECURSE.
554 When PRETTY is non-zero, prints record fields on separate lines.
555 (For some reason, the current version of gdb instead uses a global
556 variable---prettyprint_arrays--- to causes a similar effect on
560 ada_val_print (struct type
*type
, const gdb_byte
*valaddr0
,
561 int embedded_offset
, CORE_ADDR address
,
562 struct ui_file
*stream
, int format
, int deref_ref
,
563 int recurse
, enum val_prettyprint pretty
)
565 struct ada_val_print_args args
;
567 args
.valaddr0
= valaddr0
;
568 args
.embedded_offset
= embedded_offset
;
569 args
.address
= address
;
570 args
.stream
= stream
;
571 args
.format
= format
;
572 args
.deref_ref
= deref_ref
;
573 args
.recurse
= recurse
;
574 args
.pretty
= pretty
;
576 return catch_errors (ada_val_print_stub
, &args
, NULL
, RETURN_MASK_ALL
);
579 /* Helper for ada_val_print; used as argument to catch_errors to
580 unmarshal the arguments to ada_val_print_1, which does the work. */
582 ada_val_print_stub (void *args0
)
584 struct ada_val_print_args
*argsp
= (struct ada_val_print_args
*) args0
;
585 return ada_val_print_1 (argsp
->type
, argsp
->valaddr0
,
586 argsp
->embedded_offset
, argsp
->address
,
587 argsp
->stream
, argsp
->format
, argsp
->deref_ref
,
588 argsp
->recurse
, argsp
->pretty
);
591 /* See the comment on ada_val_print. This function differs in that it
592 * does not catch evaluation errors (leaving that to ada_val_print). */
595 ada_val_print_1 (struct type
*type
, const gdb_byte
*valaddr0
,
596 int embedded_offset
, CORE_ADDR address
,
597 struct ui_file
*stream
, int format
,
598 int deref_ref
, int recurse
, enum val_prettyprint pretty
)
602 struct type
*elttype
;
605 const gdb_byte
*valaddr
= valaddr0
+ embedded_offset
;
607 type
= ada_check_typedef (type
);
609 if (ada_is_array_descriptor_type (type
) || ada_is_packed_array_type (type
))
612 struct value
*mark
= value_mark ();
614 val
= value_from_contents_and_address (type
, valaddr
, address
);
615 val
= ada_coerce_to_simple_array_ptr (val
);
618 fprintf_filtered (stream
, "(null)");
622 retn
= ada_val_print_1 (value_type (val
), value_contents (val
), 0,
623 VALUE_ADDRESS (val
), stream
, format
,
624 deref_ref
, recurse
, pretty
);
625 value_free_to_mark (mark
);
629 valaddr
= ada_aligned_value_addr (type
, valaddr
);
630 embedded_offset
-= valaddr
- valaddr0
- embedded_offset
;
631 type
= printable_val_type (type
, valaddr
);
633 switch (TYPE_CODE (type
))
636 return c_val_print (type
, valaddr0
, embedded_offset
, address
, stream
,
637 format
, deref_ref
, recurse
, pretty
);
641 int ret
= c_val_print (type
, valaddr0
, embedded_offset
, address
,
642 stream
, format
, deref_ref
, recurse
, pretty
);
643 if (ada_is_tag_type (type
))
646 value_from_contents_and_address (type
, valaddr
, address
);
647 const char *name
= ada_tag_name (val
);
649 fprintf_filtered (stream
, " (%s)", name
);
656 case TYPE_CODE_RANGE
:
657 if (ada_is_fixed_point_type (type
))
659 LONGEST v
= unpack_long (type
, valaddr
);
660 int len
= TYPE_LENGTH (type
);
662 fprintf_filtered (stream
, len
< 4 ? "%.11g" : "%.17g",
663 (double) ada_fixed_to_float (type
, v
));
666 else if (ada_is_vax_floating_type (type
))
669 value_from_contents_and_address (type
, valaddr
, address
);
670 struct value
*func
= ada_vax_float_print_function (type
);
673 static struct type
*parray_of_char
= NULL
;
674 struct value
*printable_val
;
676 if (parray_of_char
== NULL
)
680 (NULL
, builtin_type_char
,
681 create_range_type (NULL
, builtin_type_int
, 0, 32)), NULL
);
684 value_ind (value_cast (parray_of_char
,
685 call_function_by_hand (func
, 1,
688 fprintf_filtered (stream
, "%s", value_contents (printable_val
));
691 /* No special printing function. Do as best we can. */
693 else if (TYPE_CODE (type
) == TYPE_CODE_RANGE
)
695 struct type
*target_type
= TYPE_TARGET_TYPE (type
);
696 if (TYPE_LENGTH (type
) != TYPE_LENGTH (target_type
))
698 /* Obscure case of range type that has different length from
699 its base type. Perform a conversion, or we will get a
700 nonsense value. Actually, we could use the same
701 code regardless of lengths; I'm just avoiding a cast. */
702 struct value
*v
= value_cast (target_type
,
703 value_from_contents_and_address
705 return ada_val_print_1 (target_type
, value_contents (v
), 0, 0,
706 stream
, format
, 0, recurse
+ 1, pretty
);
709 return ada_val_print_1 (TYPE_TARGET_TYPE (type
),
710 valaddr0
, embedded_offset
,
711 address
, stream
, format
, deref_ref
,
716 format
= format
? format
: output_format
;
719 print_scalar_formatted (valaddr
, type
, format
, 0, stream
);
721 else if (ada_is_system_address_type (type
))
723 /* FIXME: We want to print System.Address variables using
724 the same format as for any access type. But for some
725 reason GNAT encodes the System.Address type as an int,
726 so we have to work-around this deficiency by handling
727 System.Address values as a special case. */
728 fprintf_filtered (stream
, "(");
729 type_print (type
, "", stream
, -1);
730 fprintf_filtered (stream
, ") ");
731 deprecated_print_address_numeric
732 (extract_typed_address (valaddr
, builtin_type_void_data_ptr
),
737 val_print_type_code_int (type
, valaddr
, stream
);
738 if (ada_is_character_type (type
))
740 fputs_filtered (" ", stream
);
741 ada_printchar ((unsigned char) unpack_long (type
, valaddr
),
751 print_scalar_formatted (valaddr
, type
, format
, 0, stream
);
754 len
= TYPE_NFIELDS (type
);
755 val
= unpack_long (type
, valaddr
);
756 for (i
= 0; i
< len
; i
++)
759 if (val
== TYPE_FIELD_BITPOS (type
, i
))
766 const char *name
= ada_enum_name (TYPE_FIELD_NAME (type
, i
));
768 fprintf_filtered (stream
, "%ld %s", (long) val
, name
);
770 fputs_filtered (name
, stream
);
774 print_longest (stream
, 'd', 0, val
);
778 case TYPE_CODE_FLAGS
:
780 print_scalar_formatted (valaddr
, type
, format
, 0, stream
);
782 val_print_type_code_flags (type
, valaddr
, stream
);
787 return c_val_print (type
, valaddr0
, embedded_offset
, address
, stream
,
788 format
, deref_ref
, recurse
, pretty
);
790 ada_print_floating (valaddr0
+ embedded_offset
, type
, stream
);
793 case TYPE_CODE_UNION
:
794 case TYPE_CODE_STRUCT
:
795 if (ada_is_bogus_array_descriptor (type
))
797 fprintf_filtered (stream
, "(...?)");
802 print_record (type
, valaddr
, stream
, format
, recurse
, pretty
);
806 case TYPE_CODE_ARRAY
:
807 elttype
= TYPE_TARGET_TYPE (type
);
811 eltlen
= TYPE_LENGTH (elttype
);
812 /* FIXME: This doesn't deal with non-empty arrays of
813 0-length items (not a typical case!) */
817 len
= TYPE_LENGTH (type
) / eltlen
;
819 /* For an array of chars, print with string syntax. */
820 if (ada_is_string_type (type
) && (format
== 0 || format
== 's'))
822 if (prettyprint_arrays
)
824 print_spaces_filtered (2 + 2 * recurse
, stream
);
826 /* If requested, look for the first null char and only print
827 elements up to it. */
828 if (stop_print_at_null
)
832 /* Look for a NULL char. */
834 temp_len
< len
&& temp_len
< print_max
835 && char_at (valaddr
, temp_len
, eltlen
) != 0;
840 printstr (stream
, valaddr
, len
, 0, eltlen
);
845 fprintf_filtered (stream
, "(");
846 print_optional_low_bound (stream
, type
);
847 if (TYPE_FIELD_BITSIZE (type
, 0) > 0)
848 val_print_packed_array_elements (type
, valaddr
, 0, stream
,
849 format
, recurse
, pretty
);
851 val_print_array_elements (type
, valaddr
, address
, stream
,
852 format
, deref_ref
, recurse
,
854 fprintf_filtered (stream
, ")");
860 elttype
= check_typedef (TYPE_TARGET_TYPE (type
));
861 /* De-reference the reference */
864 if (TYPE_CODE (elttype
) != TYPE_CODE_UNDEF
)
866 LONGEST deref_val_int
= (LONGEST
)
867 unpack_pointer (lookup_pointer_type (builtin_type_void
),
869 if (deref_val_int
!= 0)
871 struct value
*deref_val
=
872 ada_value_ind (value_from_longest
873 (lookup_pointer_type (elttype
),
875 val_print (value_type (deref_val
),
876 value_contents (deref_val
), 0,
877 VALUE_ADDRESS (deref_val
), stream
, format
,
878 deref_ref
, recurse
+ 1, pretty
);
881 fputs_filtered ("(null)", stream
);
884 fputs_filtered ("???", stream
);
893 print_variant_part (struct type
*type
, int field_num
, const gdb_byte
*valaddr
,
894 struct ui_file
*stream
, int format
, int recurse
,
895 enum val_prettyprint pretty
, int comma_needed
,
896 struct type
*outer_type
, const gdb_byte
*outer_valaddr
)
898 struct type
*var_type
= TYPE_FIELD_TYPE (type
, field_num
);
899 int which
= ada_which_variant_applies (var_type
, outer_type
, outer_valaddr
);
904 return print_field_values
905 (TYPE_FIELD_TYPE (var_type
, which
),
906 valaddr
+ TYPE_FIELD_BITPOS (type
, field_num
) / HOST_CHAR_BIT
907 + TYPE_FIELD_BITPOS (var_type
, which
) / HOST_CHAR_BIT
,
908 stream
, format
, recurse
, pretty
,
909 comma_needed
, outer_type
, outer_valaddr
);
913 ada_value_print (struct value
*val0
, struct ui_file
*stream
, int format
,
914 enum val_prettyprint pretty
)
916 const gdb_byte
*valaddr
= value_contents (val0
);
917 CORE_ADDR address
= VALUE_ADDRESS (val0
) + value_offset (val0
);
919 ada_to_fixed_type (value_type (val0
), valaddr
, address
, NULL
);
921 value_from_contents_and_address (type
, valaddr
, address
);
923 /* If it is a pointer, indicate what it points to. */
924 if (TYPE_CODE (type
) == TYPE_CODE_PTR
)
926 /* Hack: don't print (char *) for char strings. Their
927 type is indicated by the quoted string anyway. */
928 if (TYPE_LENGTH (TYPE_TARGET_TYPE (type
)) != sizeof (char)
929 || TYPE_CODE (TYPE_TARGET_TYPE (type
)) != TYPE_CODE_INT
930 || TYPE_UNSIGNED (TYPE_TARGET_TYPE (type
)))
932 fprintf_filtered (stream
, "(");
933 type_print (type
, "", stream
, -1);
934 fprintf_filtered (stream
, ") ");
937 else if (ada_is_array_descriptor_type (type
))
939 fprintf_filtered (stream
, "(");
940 type_print (type
, "", stream
, -1);
941 fprintf_filtered (stream
, ") ");
943 else if (ada_is_bogus_array_descriptor (type
))
945 fprintf_filtered (stream
, "(");
946 type_print (type
, "", stream
, -1);
947 fprintf_filtered (stream
, ") (...?)");
951 if (TYPE_CODE (type
) == TYPE_CODE_ARRAY
952 && TYPE_LENGTH (TYPE_TARGET_TYPE (type
)) == 0
953 && TYPE_CODE (TYPE_INDEX_TYPE (type
)) == TYPE_CODE_RANGE
)
955 /* This is an array of zero-length elements, that is an array
956 of null records. This array needs to be printed by hand,
957 as the standard routine to print arrays relies on the size of
958 the array elements to be nonzero. This is because it computes
959 the number of elements in the array by dividing the array size
960 by the array element size. */
961 fprintf_filtered (stream
, "(%d .. %d => ())",
962 TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type
)),
963 TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type
)));
967 return (val_print (type
, value_contents (val
), 0, address
,
968 stream
, format
, 1, 0, pretty
));
972 print_record (struct type
*type
, const gdb_byte
*valaddr
,
973 struct ui_file
*stream
, int format
, int recurse
,
974 enum val_prettyprint pretty
)
976 type
= ada_check_typedef (type
);
978 fprintf_filtered (stream
, "(");
980 if (print_field_values (type
, valaddr
, stream
, format
, recurse
, pretty
,
981 0, type
, valaddr
) != 0 && pretty
)
983 fprintf_filtered (stream
, "\n");
984 print_spaces_filtered (2 * recurse
, stream
);
987 fprintf_filtered (stream
, ")");
990 /* Print out fields of value at VALADDR having structure type TYPE.
992 TYPE, VALADDR, STREAM, FORMAT, RECURSE, and PRETTY have the
993 same meanings as in ada_print_value and ada_val_print.
995 OUTER_TYPE and OUTER_VALADDR give type and address of enclosing record
996 (used to get discriminant values when printing variant parts).
998 COMMA_NEEDED is 1 if fields have been printed at the current recursion
999 level, so that a comma is needed before any field printed by this
1002 Returns 1 if COMMA_NEEDED or any fields were printed. */
1005 print_field_values (struct type
*type
, const gdb_byte
*valaddr
,
1006 struct ui_file
*stream
, int format
, int recurse
,
1007 enum val_prettyprint pretty
, int comma_needed
,
1008 struct type
*outer_type
, const gdb_byte
*outer_valaddr
)
1012 len
= TYPE_NFIELDS (type
);
1014 for (i
= 0; i
< len
; i
+= 1)
1016 if (ada_is_ignored_field (type
, i
))
1019 if (ada_is_wrapper_field (type
, i
))
1022 print_field_values (TYPE_FIELD_TYPE (type
, i
),
1024 + TYPE_FIELD_BITPOS (type
, i
) / HOST_CHAR_BIT
,
1025 stream
, format
, recurse
, pretty
,
1026 comma_needed
, type
, valaddr
);
1029 else if (ada_is_variant_part (type
, i
))
1032 print_variant_part (type
, i
, valaddr
,
1033 stream
, format
, recurse
, pretty
, comma_needed
,
1034 outer_type
, outer_valaddr
);
1039 fprintf_filtered (stream
, ", ");
1044 fprintf_filtered (stream
, "\n");
1045 print_spaces_filtered (2 + 2 * recurse
, stream
);
1049 wrap_here (n_spaces (2 + 2 * recurse
));
1053 if (TYPE_CODE (TYPE_FIELD_TYPE (type
, i
)) == TYPE_CODE_PTR
)
1054 fputs_filtered ("\"( ptr \"", stream
);
1056 fputs_filtered ("\"( nodef \"", stream
);
1057 fprintf_symbol_filtered (stream
, TYPE_FIELD_NAME (type
, i
),
1058 language_cplus
, DMGL_NO_OPTS
);
1059 fputs_filtered ("\" \"", stream
);
1060 fprintf_symbol_filtered (stream
, TYPE_FIELD_NAME (type
, i
),
1061 language_cplus
, DMGL_NO_OPTS
);
1062 fputs_filtered ("\") \"", stream
);
1066 annotate_field_begin (TYPE_FIELD_TYPE (type
, i
));
1067 fprintf_filtered (stream
, "%.*s",
1068 ada_name_prefix_len (TYPE_FIELD_NAME (type
, i
)),
1069 TYPE_FIELD_NAME (type
, i
));
1070 annotate_field_name_end ();
1071 fputs_filtered (" => ", stream
);
1072 annotate_field_value ();
1075 if (TYPE_FIELD_PACKED (type
, i
))
1079 /* Bitfields require special handling, especially due to byte
1081 if (TYPE_CPLUS_SPECIFIC (type
) != NULL
1082 && TYPE_FIELD_IGNORE (type
, i
))
1084 fputs_filtered (_("<optimized out or zero length>"), stream
);
1088 int bit_pos
= TYPE_FIELD_BITPOS (type
, i
);
1089 int bit_size
= TYPE_FIELD_BITSIZE (type
, i
);
1091 adjust_type_signedness (TYPE_FIELD_TYPE (type
, i
));
1092 v
= ada_value_primitive_packed_val (NULL
, valaddr
,
1093 bit_pos
/ HOST_CHAR_BIT
,
1094 bit_pos
% HOST_CHAR_BIT
,
1096 TYPE_FIELD_TYPE (type
, i
));
1097 val_print (TYPE_FIELD_TYPE (type
, i
), value_contents (v
), 0, 0,
1098 stream
, format
, 0, recurse
+ 1, pretty
);
1102 ada_val_print (TYPE_FIELD_TYPE (type
, i
),
1103 valaddr
+ TYPE_FIELD_BITPOS (type
, i
) / HOST_CHAR_BIT
,
1104 0, 0, stream
, format
, 0, recurse
+ 1, pretty
);
1105 annotate_field_end ();
1108 return comma_needed
;