1 /* Support for printing Ada values for GDB, the GNU debugger.
3 Copyright (C) 1986, 1988-1989, 1991-1994, 1997, 2001-2012 Free
4 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 3 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, see <http://www.gnu.org/licenses/>. */
23 #include "gdb_string.h"
26 #include "expression.h"
35 #include "exceptions.h"
38 static void print_record (struct type *, const gdb_byte *, int,
42 const struct value_print_options *);
44 static int print_field_values (struct type *, const gdb_byte *,
46 struct ui_file *, int,
48 const struct value_print_options *,
49 int, struct type *, int);
51 static void adjust_type_signedness (struct type *);
53 static void ada_val_print_1 (struct type *, const gdb_byte *, int, CORE_ADDR,
54 struct ui_file *, int,
56 const struct value_print_options *);
59 /* Make TYPE unsigned if its range of values includes no negatives. */
61 adjust_type_signedness (struct type *type)
63 if (type != NULL && TYPE_CODE (type) == TYPE_CODE_RANGE
64 && TYPE_LOW_BOUND (type) >= 0)
65 TYPE_UNSIGNED (type) = 1;
68 /* Assuming TYPE is a simple array type, prints its lower bound on STREAM,
69 if non-standard (i.e., other than 1 for numbers, other than lower bound
70 of index type for enumerated type). Returns 1 if something printed,
74 print_optional_low_bound (struct ui_file *stream, struct type *type,
75 const struct value_print_options *options)
77 struct type *index_type;
81 if (options->print_array_indexes)
84 if (!get_array_bounds (type, &low_bound, &high_bound))
87 /* If this is an empty array, then don't print the lower bound.
88 That would be confusing, because we would print the lower bound,
89 followed by... nothing! */
90 if (low_bound > high_bound)
93 index_type = TYPE_INDEX_TYPE (type);
95 if (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
97 /* We need to know what the base type is, in order to do the
98 appropriate check below. Otherwise, if this is a subrange
99 of an enumerated type, where the underlying value of the
100 first element is typically 0, we might test the low bound
101 against the wrong value. */
102 index_type = TYPE_TARGET_TYPE (index_type);
105 switch (TYPE_CODE (index_type))
112 if (low_bound == TYPE_FIELD_ENUMVAL (index_type, 0))
115 case TYPE_CODE_UNDEF:
124 ada_print_scalar (index_type, low_bound, stream);
125 fprintf_filtered (stream, " => ");
129 /* Version of val_print_array_elements for GNAT-style packed arrays.
130 Prints elements of packed array of type TYPE at bit offset
131 BITOFFSET from VALADDR on STREAM. Formats according to OPTIONS and
132 separates with commas. RECURSE is the recursion (nesting) level.
133 TYPE must have been decoded (as by ada_coerce_to_simple_array). */
136 val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr,
138 int bitoffset, struct ui_file *stream,
140 const struct value *val,
141 const struct value_print_options *options)
144 unsigned int things_printed = 0;
146 struct type *elttype, *index_type;
148 unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0);
149 struct value *mark = value_mark ();
152 elttype = TYPE_TARGET_TYPE (type);
153 eltlen = TYPE_LENGTH (check_typedef (elttype));
154 index_type = TYPE_INDEX_TYPE (type);
159 if (get_discrete_bounds (index_type, &low, &high) < 0)
162 len = high - low + 1;
166 annotate_array_section_begin (i, elttype);
168 while (i < len && things_printed < options->print_max)
170 struct value *v0, *v1;
175 if (options->prettyprint_arrays)
177 fprintf_filtered (stream, ",\n");
178 print_spaces_filtered (2 + 2 * recurse, stream);
182 fprintf_filtered (stream, ", ");
185 wrap_here (n_spaces (2 + 2 * recurse));
186 maybe_print_array_index (index_type, i + low, stream, options);
189 v0 = ada_value_primitive_packed_val (NULL, valaddr + offset,
190 (i0 * bitsize) / HOST_CHAR_BIT,
191 (i0 * bitsize) % HOST_CHAR_BIT,
198 v1 = ada_value_primitive_packed_val (NULL, valaddr + offset,
199 (i * bitsize) / HOST_CHAR_BIT,
200 (i * bitsize) % HOST_CHAR_BIT,
202 if (!value_available_contents_eq (v0, value_embedded_offset (v0),
203 v1, value_embedded_offset (v1),
208 if (i - i0 > options->repeat_count_threshold)
210 struct value_print_options opts = *options;
213 val_print (elttype, value_contents_for_printing (v0),
214 value_embedded_offset (v0), 0, stream,
215 recurse + 1, v0, &opts, current_language);
216 annotate_elt_rep (i - i0);
217 fprintf_filtered (stream, _(" <repeats %u times>"), i - i0);
218 annotate_elt_rep_end ();
224 struct value_print_options opts = *options;
227 for (j = i0; j < i; j += 1)
231 if (options->prettyprint_arrays)
233 fprintf_filtered (stream, ",\n");
234 print_spaces_filtered (2 + 2 * recurse, stream);
238 fprintf_filtered (stream, ", ");
240 wrap_here (n_spaces (2 + 2 * recurse));
241 maybe_print_array_index (index_type, j + low,
244 val_print (elttype, value_contents_for_printing (v0),
245 value_embedded_offset (v0), 0, stream,
246 recurse + 1, v0, &opts, current_language);
250 things_printed += i - i0;
252 annotate_array_section_end ();
255 fprintf_filtered (stream, "...");
258 value_free_to_mark (mark);
262 printable_val_type (struct type *type, const gdb_byte *valaddr)
264 return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL, 1);
267 /* Print the character C on STREAM as part of the contents of a literal
268 string whose delimiter is QUOTER. TYPE_LEN is the length in bytes
272 ada_emit_char (int c, struct type *type, struct ui_file *stream,
273 int quoter, int type_len)
275 /* If this character fits in the normal ASCII range, and is
276 a printable character, then print the character as if it was
277 an ASCII character, even if this is a wide character.
278 The UCHAR_MAX check is necessary because the isascii function
279 requires that its argument have a value of an unsigned char,
280 or EOF (EOF is obviously not printable). */
281 if (c <= UCHAR_MAX && isascii (c) && isprint (c))
283 if (c == quoter && c == '"')
284 fprintf_filtered (stream, "\"\"");
286 fprintf_filtered (stream, "%c", c);
289 fprintf_filtered (stream, "[\"%0*x\"]", type_len * 2, c);
292 /* Character #I of STRING, given that TYPE_LEN is the size in bytes
296 char_at (const gdb_byte *string, int i, int type_len,
297 enum bfd_endian byte_order)
302 return (int) extract_unsigned_integer (string + type_len * i,
303 type_len, byte_order);
306 /* Wrapper around memcpy to make it legal argument to ui_file_put. */
308 ui_memcpy (void *dest, const char *buffer, long len)
310 memcpy (dest, buffer, (size_t) len);
311 ((char *) dest)[len] = '\0';
314 /* Print a floating-point value of type TYPE, pointed to in GDB by
315 VALADDR, on STREAM. Use Ada formatting conventions: there must be
316 a decimal point, and at least one digit before and after the
317 point. We use GNAT format for NaNs and infinities. */
319 ada_print_floating (const gdb_byte *valaddr, struct type *type,
320 struct ui_file *stream)
325 struct ui_file *tmp_stream = mem_fileopen ();
326 struct cleanup *cleanups = make_cleanup_ui_file_delete (tmp_stream);
328 print_floating (valaddr, type, tmp_stream);
329 ui_file_put (tmp_stream, ui_memcpy, buffer);
330 do_cleanups (cleanups);
333 len = strlen (result);
335 /* Modify for Ada rules. */
337 s = strstr (result, "inf");
339 s = strstr (result, "Inf");
341 s = strstr (result, "INF");
347 s = strstr (result, "nan");
349 s = strstr (result, "NaN");
351 s = strstr (result, "Nan");
355 if (result[0] == '-')
360 if (s == NULL && strchr (result, '.') == NULL)
362 s = strchr (result, 'e');
364 fprintf_filtered (stream, "%s.0", result);
366 fprintf_filtered (stream, "%.*s.0%s", (int) (s-result), result, s);
369 fprintf_filtered (stream, "%s", result);
373 ada_printchar (int c, struct type *type, struct ui_file *stream)
375 fputs_filtered ("'", stream);
376 ada_emit_char (c, type, stream, '\'', TYPE_LENGTH (type));
377 fputs_filtered ("'", stream);
380 /* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a
381 form appropriate for TYPE, if non-NULL. If TYPE is NULL, print VAL
382 like a default signed integer. */
385 ada_print_scalar (struct type *type, LONGEST val, struct ui_file *stream)
392 print_longest (stream, 'd', 0, val);
396 type = ada_check_typedef (type);
398 switch (TYPE_CODE (type))
402 len = TYPE_NFIELDS (type);
403 for (i = 0; i < len; i++)
405 if (TYPE_FIELD_ENUMVAL (type, i) == val)
412 fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream);
416 print_longest (stream, 'd', 0, val);
421 print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val);
425 LA_PRINT_CHAR (val, type, stream);
429 fprintf_filtered (stream, val ? "true" : "false");
432 case TYPE_CODE_RANGE:
433 ada_print_scalar (TYPE_TARGET_TYPE (type), val, stream);
436 case TYPE_CODE_UNDEF:
438 case TYPE_CODE_ARRAY:
439 case TYPE_CODE_STRUCT:
440 case TYPE_CODE_UNION:
445 case TYPE_CODE_STRING:
446 case TYPE_CODE_ERROR:
447 case TYPE_CODE_MEMBERPTR:
448 case TYPE_CODE_METHODPTR:
449 case TYPE_CODE_METHOD:
451 warning (_("internal error: unhandled type in ada_print_scalar"));
455 error (_("Invalid type code in symbol table."));
460 /* Print the character string STRING, printing at most LENGTH characters.
461 Printing stops early if the number hits print_max; repeat counts
462 are printed as appropriate. Print ellipses at the end if we
463 had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
464 TYPE_LEN is the length (1 or 2) of the character type. */
467 printstr (struct ui_file *stream, struct type *elttype, const gdb_byte *string,
468 unsigned int length, int force_ellipses, int type_len,
469 const struct value_print_options *options)
471 enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (elttype));
473 unsigned int things_printed = 0;
479 fputs_filtered ("\"\"", stream);
483 for (i = 0; i < length && things_printed < options->print_max; i += 1)
485 /* Position of the character we are examining
486 to see whether it is repeated. */
488 /* Number of repetitions we have detected so far. */
495 fputs_filtered (", ", stream);
502 && char_at (string, rep1, type_len, byte_order)
503 == char_at (string, i, type_len, byte_order))
509 if (reps > options->repeat_count_threshold)
513 if (options->inspect_it)
514 fputs_filtered ("\\\", ", stream);
516 fputs_filtered ("\", ", stream);
519 fputs_filtered ("'", stream);
520 ada_emit_char (char_at (string, i, type_len, byte_order),
521 elttype, stream, '\'', type_len);
522 fputs_filtered ("'", stream);
523 fprintf_filtered (stream, _(" <repeats %u times>"), reps);
525 things_printed += options->repeat_count_threshold;
532 if (options->inspect_it)
533 fputs_filtered ("\\\"", stream);
535 fputs_filtered ("\"", stream);
538 ada_emit_char (char_at (string, i, type_len, byte_order),
539 elttype, stream, '"', type_len);
544 /* Terminate the quotes if necessary. */
547 if (options->inspect_it)
548 fputs_filtered ("\\\"", stream);
550 fputs_filtered ("\"", stream);
553 if (force_ellipses || i < length)
554 fputs_filtered ("...", stream);
558 ada_printstr (struct ui_file *stream, struct type *type,
559 const gdb_byte *string, unsigned int length,
560 const char *encoding, int force_ellipses,
561 const struct value_print_options *options)
563 printstr (stream, type, string, length, force_ellipses, TYPE_LENGTH (type),
568 /* See val_print for a description of the various parameters of this
569 function; they are identical. */
572 ada_val_print (struct type *type, const gdb_byte *valaddr,
573 int embedded_offset, CORE_ADDR address,
574 struct ui_file *stream, int recurse,
575 const struct value *val,
576 const struct value_print_options *options)
578 volatile struct gdb_exception except;
580 /* XXX: this catches QUIT/ctrl-c as well. Isn't that busted? */
581 TRY_CATCH (except, RETURN_MASK_ALL)
583 ada_val_print_1 (type, valaddr, embedded_offset, address,
584 stream, recurse, val, options);
588 /* Assuming TYPE is a simple array, print the value of this array located
589 at VALADDR + OFFSET. See ada_val_print for a description of the various
590 parameters of this function; they are identical. */
593 ada_val_print_array (struct type *type, const gdb_byte *valaddr,
594 int offset, CORE_ADDR address,
595 struct ui_file *stream, int recurse,
596 const struct value *val,
597 const struct value_print_options *options)
599 /* For an array of chars, print with string syntax. */
600 if (ada_is_string_type (type)
601 && (options->format == 0 || options->format == 's'))
603 enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
604 struct type *elttype = TYPE_TARGET_TYPE (type);
608 /* We know that ELTTYPE cannot possibly be null, because we found
609 that TYPE is a string-like type. Similarly, the size of ELTTYPE
610 should also be non-null, since it's a character-like type. */
611 gdb_assert (elttype != NULL);
612 gdb_assert (TYPE_LENGTH (elttype) != 0);
614 eltlen = TYPE_LENGTH (elttype);
615 len = TYPE_LENGTH (type) / eltlen;
617 if (options->prettyprint_arrays)
618 print_spaces_filtered (2 + 2 * recurse, stream);
620 /* If requested, look for the first null char and only print
621 elements up to it. */
622 if (options->stop_print_at_null)
626 /* Look for a NULL char. */
629 && temp_len < options->print_max
630 && char_at (valaddr + offset,
631 temp_len, eltlen, byte_order) != 0);
636 printstr (stream, elttype, valaddr + offset, len, 0, eltlen, options);
640 fprintf_filtered (stream, "(");
641 print_optional_low_bound (stream, type, options);
642 if (TYPE_FIELD_BITSIZE (type, 0) > 0)
643 val_print_packed_array_elements (type, valaddr, offset,
644 0, stream, recurse, val, options);
646 val_print_array_elements (type, valaddr, offset, address,
647 stream, recurse, val, options, 0);
648 fprintf_filtered (stream, ")");
652 /* See the comment on ada_val_print. This function differs in that it
653 does not catch evaluation errors (leaving that to ada_val_print). */
656 ada_val_print_1 (struct type *type, const gdb_byte *valaddr,
657 int offset, CORE_ADDR address,
658 struct ui_file *stream, int recurse,
659 const struct value *original_value,
660 const struct value_print_options *options)
663 struct type *elttype;
666 type = ada_check_typedef (type);
668 if (ada_is_array_descriptor_type (type)
669 || (ada_is_constrained_packed_array_type (type)
670 && TYPE_CODE (type) != TYPE_CODE_PTR))
672 struct value *mark = value_mark ();
675 val = value_from_contents_and_address (type, valaddr + offset, address);
676 /* If this is a reference, coerce it now. This helps taking care
677 of the case where ADDRESS is meaningless because original_value
679 val = coerce_ref (val);
680 if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) /* array access type. */
681 val = ada_coerce_to_simple_array_ptr (val);
683 val = ada_coerce_to_simple_array (val);
686 gdb_assert (TYPE_CODE (type) == TYPE_CODE_TYPEDEF);
687 fprintf_filtered (stream, "0x0");
690 ada_val_print_1 (value_type (val),
691 value_contents_for_printing (val),
692 value_embedded_offset (val),
693 value_address (val), stream, recurse,
695 value_free_to_mark (mark);
699 offset_aligned = offset + ada_aligned_value_addr (type, valaddr) - valaddr;
700 type = printable_val_type (type, valaddr + offset_aligned);
702 switch (TYPE_CODE (type))
705 c_val_print (type, valaddr, offset, address, stream,
706 recurse, original_value, options);
711 c_val_print (type, valaddr, offset, address,
712 stream, recurse, original_value, options);
714 if (ada_is_tag_type (type))
717 value_from_contents_and_address (type,
718 valaddr + offset_aligned,
719 address + offset_aligned);
720 const char *name = ada_tag_name (val);
723 fprintf_filtered (stream, " (%s)", name);
729 case TYPE_CODE_RANGE:
730 if (ada_is_fixed_point_type (type))
732 LONGEST v = unpack_long (type, valaddr + offset_aligned);
733 int len = TYPE_LENGTH (type);
735 fprintf_filtered (stream, len < 4 ? "%.11g" : "%.17g",
736 (double) ada_fixed_to_float (type, v));
739 else if (TYPE_CODE (type) == TYPE_CODE_RANGE)
741 struct type *target_type = TYPE_TARGET_TYPE (type);
743 if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type))
745 /* Obscure case of range type that has different length from
746 its base type. Perform a conversion, or we will get a
747 nonsense value. Actually, we could use the same
748 code regardless of lengths; I'm just avoiding a cast. */
750 = value_from_contents_and_address (type, valaddr + offset, 0);
751 struct value *v = value_cast (target_type, v1);
753 ada_val_print_1 (target_type,
754 value_contents_for_printing (v),
755 value_embedded_offset (v), 0,
756 stream, recurse + 1, v, options);
759 ada_val_print_1 (TYPE_TARGET_TYPE (type),
761 address, stream, recurse,
762 original_value, options);
767 int format = (options->format ? options->format
768 : options->output_format);
772 struct value_print_options opts = *options;
774 opts.format = format;
775 val_print_scalar_formatted (type, valaddr, offset_aligned,
776 original_value, &opts, 0, stream);
778 else if (ada_is_system_address_type (type))
780 /* FIXME: We want to print System.Address variables using
781 the same format as for any access type. But for some
782 reason GNAT encodes the System.Address type as an int,
783 so we have to work-around this deficiency by handling
784 System.Address values as a special case. */
786 struct gdbarch *gdbarch = get_type_arch (type);
787 struct type *ptr_type = builtin_type (gdbarch)->builtin_data_ptr;
788 CORE_ADDR addr = extract_typed_address (valaddr + offset_aligned,
791 fprintf_filtered (stream, "(");
792 type_print (type, "", stream, -1);
793 fprintf_filtered (stream, ") ");
794 fputs_filtered (paddress (gdbarch, addr), stream);
798 val_print_type_code_int (type, valaddr + offset_aligned, stream);
799 if (ada_is_character_type (type))
803 fputs_filtered (" ", stream);
804 c = unpack_long (type, valaddr + offset_aligned);
805 ada_printchar (c, type, stream);
818 val_print_scalar_formatted (type, valaddr, offset_aligned,
819 original_value, options, 0, stream);
822 len = TYPE_NFIELDS (type);
823 val = unpack_long (type, valaddr + offset_aligned);
824 for (i = 0; i < len; i++)
827 if (val == TYPE_FIELD_ENUMVAL (type, i))
834 const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i));
837 fprintf_filtered (stream, "%ld %s", (long) val, name);
839 fputs_filtered (name, stream);
843 print_longest (stream, 'd', 0, val);
851 c_val_print (type, valaddr, offset, address, stream,
852 recurse, original_value, options);
856 ada_print_floating (valaddr + offset, type, stream);
859 case TYPE_CODE_UNION:
860 case TYPE_CODE_STRUCT:
861 if (ada_is_bogus_array_descriptor (type))
863 fprintf_filtered (stream, "(...?)");
868 print_record (type, valaddr, offset_aligned,
869 stream, recurse, original_value, options);
873 case TYPE_CODE_ARRAY:
874 ada_val_print_array (type, valaddr, offset_aligned,
875 address, stream, recurse, original_value,
880 /* For references, the debugger is expected to print the value as
881 an address if DEREF_REF is null. But printing an address in place
882 of the object value would be confusing to an Ada programmer.
883 So, for Ada values, we print the actual dereferenced value
885 elttype = check_typedef (TYPE_TARGET_TYPE (type));
887 if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
889 CORE_ADDR deref_val_int;
890 struct value *deref_val;
892 deref_val = coerce_ref_if_computed (original_value);
895 common_val_print (deref_val, stream, recurse + 1, options,
900 deref_val_int = unpack_pointer (type, valaddr + offset_aligned);
901 if (deref_val_int != 0)
904 ada_value_ind (value_from_pointer
905 (lookup_pointer_type (elttype),
908 val_print (value_type (deref_val),
909 value_contents_for_printing (deref_val),
910 value_embedded_offset (deref_val),
911 value_address (deref_val), stream, recurse + 1,
912 deref_val, options, current_language);
915 fputs_filtered ("(null)", stream);
918 fputs_filtered ("???", stream);
926 print_variant_part (struct type *type, int field_num,
927 const gdb_byte *valaddr, int offset,
928 struct ui_file *stream, int recurse,
929 const struct value *val,
930 const struct value_print_options *options,
932 struct type *outer_type, int outer_offset)
934 struct type *var_type = TYPE_FIELD_TYPE (type, field_num);
935 int which = ada_which_variant_applies (var_type, outer_type,
936 valaddr + outer_offset);
941 return print_field_values
942 (TYPE_FIELD_TYPE (var_type, which),
944 offset + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT
945 + TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT,
946 stream, recurse, val, options,
947 comma_needed, outer_type, outer_offset);
951 ada_value_print (struct value *val0, struct ui_file *stream,
952 const struct value_print_options *options)
954 struct value *val = ada_to_fixed_value (val0);
955 CORE_ADDR address = value_address (val);
956 struct type *type = ada_check_typedef (value_type (val));
957 struct value_print_options opts;
959 /* If it is a pointer, indicate what it points to. */
960 if (TYPE_CODE (type) == TYPE_CODE_PTR)
962 /* Hack: don't print (char *) for char strings. Their
963 type is indicated by the quoted string anyway. */
964 if (TYPE_LENGTH (TYPE_TARGET_TYPE (type)) != sizeof (char)
965 || TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_INT
966 || TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
968 fprintf_filtered (stream, "(");
969 type_print (type, "", stream, -1);
970 fprintf_filtered (stream, ") ");
973 else if (ada_is_array_descriptor_type (type))
975 /* We do not print the type description unless TYPE is an array
976 access type (this is encoded by the compiler as a typedef to
977 a fat pointer - hence the check against TYPE_CODE_TYPEDEF). */
978 if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
980 fprintf_filtered (stream, "(");
981 type_print (type, "", stream, -1);
982 fprintf_filtered (stream, ") ");
985 else if (ada_is_bogus_array_descriptor (type))
987 fprintf_filtered (stream, "(");
988 type_print (type, "", stream, -1);
989 fprintf_filtered (stream, ") (...?)");
995 val_print (type, value_contents_for_printing (val),
996 value_embedded_offset (val), address,
997 stream, 0, val, &opts, current_language);
1001 print_record (struct type *type, const gdb_byte *valaddr,
1003 struct ui_file *stream, int recurse,
1004 const struct value *val,
1005 const struct value_print_options *options)
1007 type = ada_check_typedef (type);
1009 fprintf_filtered (stream, "(");
1011 if (print_field_values (type, valaddr, offset,
1012 stream, recurse, val, options,
1013 0, type, offset) != 0 && options->pretty)
1015 fprintf_filtered (stream, "\n");
1016 print_spaces_filtered (2 * recurse, stream);
1019 fprintf_filtered (stream, ")");
1022 /* Print out fields of value at VALADDR + OFFSET having structure type TYPE.
1024 TYPE, VALADDR, OFFSET, STREAM, RECURSE, and OPTIONS have the same
1025 meanings as in ada_print_value and ada_val_print.
1027 OUTER_TYPE and OUTER_OFFSET give type and address of enclosing
1028 record (used to get discriminant values when printing variant
1031 COMMA_NEEDED is 1 if fields have been printed at the current recursion
1032 level, so that a comma is needed before any field printed by this
1035 Returns 1 if COMMA_NEEDED or any fields were printed. */
1038 print_field_values (struct type *type, const gdb_byte *valaddr,
1039 int offset, struct ui_file *stream, int recurse,
1040 const struct value *val,
1041 const struct value_print_options *options,
1043 struct type *outer_type, int outer_offset)
1047 len = TYPE_NFIELDS (type);
1049 for (i = 0; i < len; i += 1)
1051 if (ada_is_ignored_field (type, i))
1054 if (ada_is_wrapper_field (type, i))
1057 print_field_values (TYPE_FIELD_TYPE (type, i),
1060 + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT),
1061 stream, recurse, val, options,
1062 comma_needed, type, offset);
1065 else if (ada_is_variant_part (type, i))
1068 print_variant_part (type, i, valaddr,
1069 offset, stream, recurse, val,
1070 options, comma_needed,
1071 outer_type, outer_offset);
1076 fprintf_filtered (stream, ", ");
1079 if (options->pretty)
1081 fprintf_filtered (stream, "\n");
1082 print_spaces_filtered (2 + 2 * recurse, stream);
1086 wrap_here (n_spaces (2 + 2 * recurse));
1088 if (options->inspect_it)
1090 if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
1091 fputs_filtered ("\"( ptr \"", stream);
1093 fputs_filtered ("\"( nodef \"", stream);
1094 fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
1095 language_cplus, DMGL_NO_OPTS);
1096 fputs_filtered ("\" \"", stream);
1097 fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
1098 language_cplus, DMGL_NO_OPTS);
1099 fputs_filtered ("\") \"", stream);
1103 annotate_field_begin (TYPE_FIELD_TYPE (type, i));
1104 fprintf_filtered (stream, "%.*s",
1105 ada_name_prefix_len (TYPE_FIELD_NAME (type, i)),
1106 TYPE_FIELD_NAME (type, i));
1107 annotate_field_name_end ();
1108 fputs_filtered (" => ", stream);
1109 annotate_field_value ();
1112 if (TYPE_FIELD_PACKED (type, i))
1116 /* Bitfields require special handling, especially due to byte
1118 if (HAVE_CPLUS_STRUCT (type) && TYPE_FIELD_IGNORE (type, i))
1120 fputs_filtered (_("<optimized out or zero length>"), stream);
1124 int bit_pos = TYPE_FIELD_BITPOS (type, i);
1125 int bit_size = TYPE_FIELD_BITSIZE (type, i);
1126 struct value_print_options opts;
1128 adjust_type_signedness (TYPE_FIELD_TYPE (type, i));
1129 v = ada_value_primitive_packed_val
1131 offset + bit_pos / HOST_CHAR_BIT,
1132 bit_pos % HOST_CHAR_BIT,
1133 bit_size, TYPE_FIELD_TYPE (type, i));
1136 val_print (TYPE_FIELD_TYPE (type, i),
1137 value_contents_for_printing (v),
1138 value_embedded_offset (v), 0,
1139 stream, recurse + 1, v,
1140 &opts, current_language);
1145 struct value_print_options opts = *options;
1148 ada_val_print (TYPE_FIELD_TYPE (type, i),
1151 + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT),
1152 0, stream, recurse + 1, val, &opts);
1154 annotate_field_end ();
1157 return comma_needed;