2002-06-04 17:28:49 +02:00
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/* Support for printing Ada values for GDB, the GNU debugger.
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Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1997, 2001
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <ctype.h>
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#include "defs.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "expression.h"
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#include "value.h"
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#include "demangle.h"
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#include "valprint.h"
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#include "language.h"
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#include "annotate.h"
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#include "ada-lang.h"
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#include "c-lang.h"
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/* Encapsulates arguments to ada_val_print. */
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struct ada_val_print_args {
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struct type* type;
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char* valaddr0;
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int embedded_offset;
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CORE_ADDR address;
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struct ui_file *stream;
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int format;
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int deref_ref;
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int recurse;
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enum val_prettyprint pretty;
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};
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extern int inspect_it;
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extern unsigned int repeat_count_threshold;
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static void print_record (struct type*, char*, struct ui_file*, int,
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int, enum val_prettyprint);
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static int print_field_values (struct type*, char*, struct ui_file*,
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int, int, enum val_prettyprint,
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int, struct type*, char*);
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static int print_variant_part (struct type*, int, char*,
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struct ui_file*, int, int, enum val_prettyprint,
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int, struct type*, char*);
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2002-08-11 20:15:49 +02:00
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static void val_print_packed_array_elements (struct type*, char *valaddr, int,
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struct ui_file*, int, int,
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enum val_prettyprint);
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2002-06-04 17:28:49 +02:00
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static void adjust_type_signedness (struct type*);
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static int ada_val_print_stub (PTR args0);
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2002-08-11 20:15:49 +02:00
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static int ada_val_print_1 (struct type*, char*, int, CORE_ADDR, struct ui_file*,
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int, int, int, enum val_prettyprint);
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2002-06-04 17:28:49 +02:00
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/* Make TYPE unsigned if its range of values includes no negatives. */
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static void
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adjust_type_signedness (type)
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struct type* type;
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{
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if (type != NULL && TYPE_CODE (type) == TYPE_CODE_RANGE
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&& TYPE_LOW_BOUND (type) >= 0)
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TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED;
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}
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/* Assuming TYPE is a simple array type, prints its lower bound on STREAM,
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if non-standard (i.e., other than 1 for numbers, other than lower bound
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of index type for enumerated type). Returns 1 if something printed,
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otherwise 0. */
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static int
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2002-07-25 03:14:26 +02:00
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print_optional_low_bound (struct ui_file *stream, struct type *type)
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2002-06-04 17:28:49 +02:00
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{
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struct type *index_type;
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long low_bound;
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index_type = TYPE_INDEX_TYPE (type);
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low_bound = 0;
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if (index_type == NULL)
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return 0;
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if (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
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{
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low_bound = TYPE_LOW_BOUND (index_type);
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index_type = TYPE_TARGET_TYPE (index_type);
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}
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else
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return 0;
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switch (TYPE_CODE (index_type)) {
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case TYPE_CODE_ENUM:
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if (low_bound == TYPE_FIELD_BITPOS (index_type, 0))
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return 0;
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break;
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case TYPE_CODE_UNDEF:
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index_type = builtin_type_long;
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/* FALL THROUGH */
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default:
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if (low_bound == 1)
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return 0;
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break;
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}
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ada_print_scalar (index_type, (LONGEST) low_bound, stream);
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fprintf_filtered (stream, " => ");
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return 1;
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}
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/* Version of val_print_array_elements for GNAT-style packed arrays.
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Prints elements of packed array of type TYPE at bit offset
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BITOFFSET from VALADDR on STREAM. Formats according to FORMAT and
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separates with commas. RECURSE is the recursion (nesting) level.
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If PRETTY, uses "prettier" format. TYPE must have been decoded (as
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by ada_coerce_to_simple_array). */
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static void
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2002-07-25 03:14:26 +02:00
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val_print_packed_array_elements (struct type *type, char *valaddr,
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int bitoffset, struct ui_file *stream,
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int format, int recurse,
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enum val_prettyprint pretty)
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2002-06-04 17:28:49 +02:00
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{
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unsigned int i;
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unsigned int things_printed = 0;
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unsigned len;
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struct type *elttype;
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unsigned eltlen;
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/* Position of the array element we are examining to see
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whether it is repeated. */
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unsigned int rep1;
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/* Number of repetitions we have detected so far. */
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unsigned int reps;
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unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0);
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struct value* mark = value_mark ();
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elttype = TYPE_TARGET_TYPE (type);
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eltlen = TYPE_LENGTH (check_typedef (elttype));
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{
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LONGEST low, high;
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if (get_discrete_bounds (TYPE_FIELD_TYPE (type, 0), &low, &high) < 0)
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len = 1;
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else
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len = high - low + 1;
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}
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i = 0;
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annotate_array_section_begin (i, elttype);
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while (i < len && things_printed < print_max)
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{
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struct value *v0, *v1;
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int i0;
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if (i != 0)
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{
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if (prettyprint_arrays)
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{
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fprintf_filtered (stream, ",\n");
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print_spaces_filtered (2 + 2 * recurse, stream);
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}
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else
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{
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fprintf_filtered (stream, ", ");
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}
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}
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wrap_here (n_spaces (2 + 2 * recurse));
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i0 = i;
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v0 = ada_value_primitive_packed_val (NULL, valaddr,
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(i0 * bitsize) / HOST_CHAR_BIT,
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(i0 * bitsize) % HOST_CHAR_BIT,
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bitsize, elttype);
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while (1)
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{
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i += 1;
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if (i >= len)
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break;
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v1 = ada_value_primitive_packed_val (NULL, valaddr,
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(i * bitsize) / HOST_CHAR_BIT,
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(i * bitsize) % HOST_CHAR_BIT,
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bitsize, elttype);
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if (memcmp (VALUE_CONTENTS (v0), VALUE_CONTENTS (v1), eltlen)
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!= 0)
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break;
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}
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if (i - i0 > repeat_count_threshold)
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{
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val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format,
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0, recurse + 1, pretty);
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annotate_elt_rep (i - i0);
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fprintf_filtered (stream, " <repeats %u times>", i - i0);
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annotate_elt_rep_end ();
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}
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else
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{
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int j;
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for (j = i0; j < i; j += 1)
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{
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if (j > i0)
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{
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if (prettyprint_arrays)
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{
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fprintf_filtered (stream, ",\n");
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print_spaces_filtered (2 + 2 * recurse, stream);
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}
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else
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{
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fprintf_filtered (stream, ", ");
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}
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wrap_here (n_spaces (2 + 2 * recurse));
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}
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val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format,
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0, recurse + 1, pretty);
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annotate_elt ();
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}
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}
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things_printed += i - i0;
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}
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annotate_array_section_end ();
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if (i < len)
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{
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fprintf_filtered (stream, "...");
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}
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value_free_to_mark (mark);
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}
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static struct type*
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2002-07-25 03:14:26 +02:00
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printable_val_type (struct type* type, char* valaddr)
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2002-06-04 17:28:49 +02:00
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{
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return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL);
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}
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/* Print the character C on STREAM as part of the contents of a literal
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string whose delimiter is QUOTER. TYPE_LEN is the length in bytes
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(1 or 2) of the character. */
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void
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2002-07-25 03:14:26 +02:00
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ada_emit_char (int c, struct ui_file *stream, int quoter, int type_len)
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2002-06-04 17:28:49 +02:00
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{
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if (type_len != 2)
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type_len = 1;
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c &= (1 << (type_len * TARGET_CHAR_BIT)) - 1;
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if (isascii (c) && isprint (c))
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{
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if (c == quoter && c == '"')
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fprintf_filtered (stream, "[\"%c\"]", quoter);
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else
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fprintf_filtered (stream, "%c", c);
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}
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else
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fprintf_filtered (stream, "[\"%0*x\"]", type_len*2, c);
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}
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/* Character #I of STRING, given that TYPE_LEN is the size in bytes (1
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or 2) of a character. */
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static int
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2002-07-25 03:14:26 +02:00
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char_at (char* string, int i, int type_len)
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2002-06-04 17:28:49 +02:00
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{
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if (type_len == 1)
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return string[i];
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else
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return (int) extract_unsigned_integer (string + 2*i, 2);
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}
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void
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2002-07-25 03:14:26 +02:00
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ada_printchar (int c, struct ui_file *stream)
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2002-06-04 17:28:49 +02:00
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{
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fputs_filtered ("'", stream);
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ada_emit_char (c, stream, '\'', 1);
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fputs_filtered ("'", stream);
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}
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/* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a
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form appropriate for TYPE. */
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void
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2002-07-25 03:14:26 +02:00
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ada_print_scalar (struct type *type, LONGEST val, struct ui_file *stream)
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2002-06-04 17:28:49 +02:00
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{
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unsigned int i;
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unsigned len;
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CHECK_TYPEDEF (type);
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switch (TYPE_CODE (type))
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{
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case TYPE_CODE_ENUM:
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len = TYPE_NFIELDS (type);
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for (i = 0; i < len; i++)
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{
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if (TYPE_FIELD_BITPOS (type, i) == val)
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{
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break;
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}
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}
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if (i < len)
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{
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fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream);
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}
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else
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{
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print_longest (stream, 'd', 0, val);
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}
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break;
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case TYPE_CODE_INT:
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|
|
print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case TYPE_CODE_CHAR:
|
|
|
|
|
LA_PRINT_CHAR ((unsigned char) val, stream);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case TYPE_CODE_BOOL:
|
|
|
|
|
fprintf_filtered (stream, val ? "true" : "false");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case TYPE_CODE_RANGE:
|
|
|
|
|
ada_print_scalar (TYPE_TARGET_TYPE (type), val, stream);
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
case TYPE_CODE_UNDEF:
|
|
|
|
|
case TYPE_CODE_PTR:
|
|
|
|
|
case TYPE_CODE_ARRAY:
|
|
|
|
|
case TYPE_CODE_STRUCT:
|
|
|
|
|
case TYPE_CODE_UNION:
|
|
|
|
|
case TYPE_CODE_FUNC:
|
|
|
|
|
case TYPE_CODE_FLT:
|
|
|
|
|
case TYPE_CODE_VOID:
|
|
|
|
|
case TYPE_CODE_SET:
|
|
|
|
|
case TYPE_CODE_STRING:
|
|
|
|
|
case TYPE_CODE_ERROR:
|
|
|
|
|
case TYPE_CODE_MEMBER:
|
|
|
|
|
case TYPE_CODE_METHOD:
|
|
|
|
|
case TYPE_CODE_REF:
|
|
|
|
|
warning ("internal error: unhandled type in ada_print_scalar");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
error ("Invalid type code in symbol table.");
|
|
|
|
|
}
|
|
|
|
|
gdb_flush (stream);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Print the character string STRING, printing at most LENGTH characters.
|
|
|
|
|
Printing stops early if the number hits print_max; repeat counts
|
|
|
|
|
are printed as appropriate. Print ellipses at the end if we
|
|
|
|
|
had to stop before printing LENGTH characters, or if
|
|
|
|
|
FORCE_ELLIPSES. TYPE_LEN is the length (1 or 2) of the character type.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void
|
2002-07-25 03:14:26 +02:00
|
|
|
|
printstr (struct ui_file *stream, char *string, unsigned int length,
|
|
|
|
|
int force_ellipses, int type_len)
|
2002-06-04 17:28:49 +02:00
|
|
|
|
{
|
|
|
|
|
unsigned int i;
|
|
|
|
|
unsigned int things_printed = 0;
|
|
|
|
|
int in_quotes = 0;
|
|
|
|
|
int need_comma = 0;
|
|
|
|
|
|
|
|
|
|
if (length == 0)
|
|
|
|
|
{
|
|
|
|
|
fputs_filtered ("\"\"", stream);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < length && things_printed < print_max; i += 1)
|
|
|
|
|
{
|
|
|
|
|
/* Position of the character we are examining
|
|
|
|
|
to see whether it is repeated. */
|
|
|
|
|
unsigned int rep1;
|
|
|
|
|
/* Number of repetitions we have detected so far. */
|
|
|
|
|
unsigned int reps;
|
|
|
|
|
|
|
|
|
|
QUIT;
|
|
|
|
|
|
|
|
|
|
if (need_comma)
|
|
|
|
|
{
|
|
|
|
|
fputs_filtered (", ", stream);
|
|
|
|
|
need_comma = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
rep1 = i + 1;
|
|
|
|
|
reps = 1;
|
|
|
|
|
while (rep1 < length &&
|
|
|
|
|
char_at(string, rep1, type_len) == char_at (string, i, type_len))
|
|
|
|
|
{
|
|
|
|
|
rep1 += 1;
|
|
|
|
|
reps += 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (reps > repeat_count_threshold)
|
|
|
|
|
{
|
|
|
|
|
if (in_quotes)
|
|
|
|
|
{
|
|
|
|
|
if (inspect_it)
|
|
|
|
|
fputs_filtered ("\\\", ", stream);
|
|
|
|
|
else
|
|
|
|
|
fputs_filtered ("\", ", stream);
|
|
|
|
|
in_quotes = 0;
|
|
|
|
|
}
|
|
|
|
|
fputs_filtered ("'", stream);
|
|
|
|
|
ada_emit_char (char_at (string, i, type_len), stream, '\'', type_len);
|
|
|
|
|
fputs_filtered ("'", stream);
|
|
|
|
|
fprintf_filtered (stream, " <repeats %u times>", reps);
|
|
|
|
|
i = rep1 - 1;
|
|
|
|
|
things_printed += repeat_count_threshold;
|
|
|
|
|
need_comma = 1;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (!in_quotes)
|
|
|
|
|
{
|
|
|
|
|
if (inspect_it)
|
|
|
|
|
fputs_filtered ("\\\"", stream);
|
|
|
|
|
else
|
|
|
|
|
fputs_filtered ("\"", stream);
|
|
|
|
|
in_quotes = 1;
|
|
|
|
|
}
|
|
|
|
|
ada_emit_char (char_at (string, i, type_len), stream, '"',
|
|
|
|
|
type_len);
|
|
|
|
|
things_printed += 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Terminate the quotes if necessary. */
|
|
|
|
|
if (in_quotes)
|
|
|
|
|
{
|
|
|
|
|
if (inspect_it)
|
|
|
|
|
fputs_filtered ("\\\"", stream);
|
|
|
|
|
else
|
|
|
|
|
fputs_filtered ("\"", stream);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (force_ellipses || i < length)
|
|
|
|
|
fputs_filtered ("...", stream);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
2002-07-25 03:14:26 +02:00
|
|
|
|
ada_printstr (struct ui_file *stream, char *string, unsigned int length,
|
|
|
|
|
int force_ellipses, int width)
|
2002-06-04 17:28:49 +02:00
|
|
|
|
{
|
|
|
|
|
printstr (stream, string, length, force_ellipses, width);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Print data of type TYPE located at VALADDR (within GDB), which came from
|
|
|
|
|
the inferior at address ADDRESS, onto stdio stream STREAM according to
|
|
|
|
|
FORMAT (a letter as for the printf % codes or 0 for natural format).
|
|
|
|
|
The data at VALADDR is in target byte order.
|
|
|
|
|
|
|
|
|
|
If the data is printed as a string, returns the number of string characters
|
|
|
|
|
printed.
|
|
|
|
|
|
|
|
|
|
If DEREF_REF is nonzero, then dereference references, otherwise just print
|
|
|
|
|
them like pointers.
|
|
|
|
|
|
|
|
|
|
RECURSE indicates the amount of indentation to supply before
|
|
|
|
|
continuation lines; this amount is roughly twice the value of RECURSE.
|
|
|
|
|
|
|
|
|
|
When PRETTY is non-zero, prints record fields on separate lines.
|
|
|
|
|
(For some reason, the current version of gdb instead uses a global
|
|
|
|
|
variable---prettyprint_arrays--- to causes a similar effect on
|
|
|
|
|
arrays.) */
|
|
|
|
|
|
|
|
|
|
int
|
2002-07-25 03:14:26 +02:00
|
|
|
|
ada_val_print (struct type* type, char* valaddr0, int embedded_offset,
|
|
|
|
|
CORE_ADDR address, struct ui_file *stream, int format,
|
|
|
|
|
int deref_ref, int recurse, enum val_prettyprint pretty)
|
2002-06-04 17:28:49 +02:00
|
|
|
|
{
|
|
|
|
|
struct ada_val_print_args args;
|
|
|
|
|
args.type = type; args.valaddr0 = valaddr0;
|
|
|
|
|
args.embedded_offset = embedded_offset;
|
|
|
|
|
args.address = address;
|
|
|
|
|
args.stream = stream;
|
|
|
|
|
args.format = format;
|
|
|
|
|
args.deref_ref = deref_ref;
|
|
|
|
|
args.recurse = recurse;
|
|
|
|
|
args.pretty = pretty;
|
|
|
|
|
|
|
|
|
|
return catch_errors (ada_val_print_stub, &args, NULL, RETURN_MASK_ALL);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Helper for ada_val_print; used as argument to catch_errors to
|
|
|
|
|
unmarshal the arguments to ada_val_print_1, which does the work. */
|
|
|
|
|
static int
|
|
|
|
|
ada_val_print_stub (PTR args0)
|
|
|
|
|
{
|
|
|
|
|
struct ada_val_print_args* argsp = (struct ada_val_print_args*) args0;
|
|
|
|
|
return ada_val_print_1 (argsp->type, argsp->valaddr0, argsp->embedded_offset,
|
|
|
|
|
argsp->address, argsp->stream, argsp->format,
|
|
|
|
|
argsp->deref_ref, argsp->recurse,
|
|
|
|
|
argsp->pretty);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* See the comment on ada_val_print. This function differs in that it
|
|
|
|
|
* does not catch evaluation errors (leaving that to ada_val_print). */
|
|
|
|
|
|
|
|
|
|
static int
|
2002-07-25 03:14:26 +02:00
|
|
|
|
ada_val_print_1 (struct type* type, char* valaddr0, int embedded_offset,
|
|
|
|
|
CORE_ADDR address, struct ui_file *stream, int format,
|
|
|
|
|
int deref_ref, int recurse, enum val_prettyprint pretty)
|
2002-06-04 17:28:49 +02:00
|
|
|
|
{
|
|
|
|
|
unsigned int len;
|
|
|
|
|
int i;
|
|
|
|
|
struct type *elttype;
|
|
|
|
|
unsigned int eltlen;
|
|
|
|
|
LONGEST val;
|
|
|
|
|
CORE_ADDR addr;
|
|
|
|
|
char* valaddr = valaddr0 + embedded_offset;
|
|
|
|
|
|
|
|
|
|
CHECK_TYPEDEF (type);
|
|
|
|
|
|
|
|
|
|
if (ada_is_array_descriptor (type) || ada_is_packed_array_type (type))
|
|
|
|
|
{
|
|
|
|
|
int retn;
|
|
|
|
|
struct value* mark = value_mark ();
|
|
|
|
|
struct value* val;
|
|
|
|
|
val = value_from_contents_and_address (type, valaddr, address);
|
|
|
|
|
val = ada_coerce_to_simple_array_ptr (val);
|
|
|
|
|
if (val == NULL)
|
|
|
|
|
{
|
|
|
|
|
fprintf_filtered (stream, "(null)");
|
|
|
|
|
retn = 0;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
retn = ada_val_print_1 (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
|
|
|
|
|
VALUE_ADDRESS (val), stream, format,
|
|
|
|
|
deref_ref, recurse, pretty);
|
|
|
|
|
value_free_to_mark (mark);
|
|
|
|
|
return retn;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
valaddr = ada_aligned_value_addr (type, valaddr);
|
|
|
|
|
embedded_offset -= valaddr - valaddr0 - embedded_offset;
|
|
|
|
|
type = printable_val_type (type, valaddr);
|
|
|
|
|
|
|
|
|
|
switch (TYPE_CODE (type))
|
|
|
|
|
{
|
|
|
|
|
default:
|
|
|
|
|
return c_val_print (type, valaddr0, embedded_offset, address, stream,
|
|
|
|
|
format, deref_ref, recurse, pretty);
|
|
|
|
|
|
|
|
|
|
case TYPE_CODE_INT:
|
|
|
|
|
case TYPE_CODE_RANGE:
|
|
|
|
|
if (ada_is_fixed_point_type (type))
|
|
|
|
|
{
|
|
|
|
|
LONGEST v = unpack_long (type, valaddr);
|
|
|
|
|
int len = TYPE_LENGTH (type);
|
|
|
|
|
|
|
|
|
|
fprintf_filtered (stream, len < 4 ? "%.11g" : "%.17g",
|
|
|
|
|
(double) ada_fixed_to_float (type, v));
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
else if (ada_is_vax_floating_type (type))
|
|
|
|
|
{
|
|
|
|
|
struct value* val =
|
|
|
|
|
value_from_contents_and_address (type, valaddr, address);
|
|
|
|
|
struct value* func = ada_vax_float_print_function (type);
|
|
|
|
|
if (func != 0)
|
|
|
|
|
{
|
|
|
|
|
static struct type* parray_of_char = NULL;
|
|
|
|
|
struct value* printable_val;
|
|
|
|
|
|
|
|
|
|
if (parray_of_char == NULL)
|
|
|
|
|
parray_of_char =
|
|
|
|
|
make_pointer_type
|
|
|
|
|
(create_array_type
|
|
|
|
|
(NULL, builtin_type_char,
|
|
|
|
|
create_range_type (NULL, builtin_type_int, 0, 32)),
|
|
|
|
|
NULL);
|
|
|
|
|
|
|
|
|
|
printable_val =
|
|
|
|
|
value_ind (value_cast (parray_of_char,
|
|
|
|
|
call_function_by_hand (func, 1, &val)));
|
|
|
|
|
|
|
|
|
|
fprintf_filtered (stream, "%s", VALUE_CONTENTS (printable_val));
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
/* No special printing function. Do as best we can. */
|
|
|
|
|
}
|
|
|
|
|
else if (TYPE_CODE (type) == TYPE_CODE_RANGE)
|
|
|
|
|
{
|
|
|
|
|
struct type* target_type = TYPE_TARGET_TYPE (type);
|
|
|
|
|
if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type))
|
|
|
|
|
{
|
|
|
|
|
/* Obscure case of range type that has different length from
|
|
|
|
|
its base type. Perform a conversion, or we will get a
|
|
|
|
|
nonsense value. Actually, we could use the same
|
|
|
|
|
code regardless of lengths; I'm just avoiding a cast. */
|
|
|
|
|
struct value* v =
|
|
|
|
|
value_cast (target_type,
|
|
|
|
|
value_from_contents_and_address (type, valaddr, 0));
|
|
|
|
|
return ada_val_print_1 (target_type, VALUE_CONTENTS (v), 0, 0,
|
|
|
|
|
stream, format, 0, recurse + 1, pretty);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
return ada_val_print_1 (TYPE_TARGET_TYPE (type),
|
|
|
|
|
valaddr0, embedded_offset,
|
|
|
|
|
address, stream, format, deref_ref,
|
|
|
|
|
recurse, pretty);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
format = format ? format : output_format;
|
|
|
|
|
if (format)
|
|
|
|
|
{
|
|
|
|
|
print_scalar_formatted (valaddr, type, format, 0, stream);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
val_print_type_code_int (type, valaddr, stream);
|
|
|
|
|
if (ada_is_character_type (type))
|
|
|
|
|
{
|
|
|
|
|
fputs_filtered (" ", stream);
|
|
|
|
|
ada_printchar ((unsigned char) unpack_long (type, valaddr),
|
|
|
|
|
stream);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case TYPE_CODE_ENUM:
|
|
|
|
|
if (format)
|
|
|
|
|
{
|
|
|
|
|
print_scalar_formatted (valaddr, type, format, 0, stream);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
len = TYPE_NFIELDS (type);
|
|
|
|
|
val = unpack_long (type, valaddr);
|
|
|
|
|
for (i = 0; i < len; i++)
|
|
|
|
|
{
|
|
|
|
|
QUIT;
|
|
|
|
|
if (val == TYPE_FIELD_BITPOS (type, i))
|
|
|
|
|
{
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (i < len)
|
|
|
|
|
{
|
|
|
|
|
const char* name = ada_enum_name (TYPE_FIELD_NAME (type, i));
|
|
|
|
|
if (name[0] == '\'')
|
|
|
|
|
fprintf_filtered (stream, "%ld %s", (long) val, name);
|
|
|
|
|
else
|
|
|
|
|
fputs_filtered (name, stream);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
print_longest (stream, 'd', 0, val);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case TYPE_CODE_UNION:
|
|
|
|
|
case TYPE_CODE_STRUCT:
|
|
|
|
|
if (ada_is_bogus_array_descriptor (type))
|
|
|
|
|
{
|
|
|
|
|
fprintf_filtered (stream, "(...?)");
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
print_record (type, valaddr, stream, format,
|
|
|
|
|
recurse, pretty);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case TYPE_CODE_ARRAY:
|
|
|
|
|
if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
|
|
|
|
|
{
|
|
|
|
|
elttype = TYPE_TARGET_TYPE (type);
|
|
|
|
|
eltlen = TYPE_LENGTH (elttype);
|
|
|
|
|
len = TYPE_LENGTH (type) / eltlen;
|
|
|
|
|
|
|
|
|
|
/* For an array of chars, print with string syntax. */
|
|
|
|
|
if (ada_is_string_type (type)
|
|
|
|
|
&& (format == 0 || format == 's'))
|
|
|
|
|
{
|
|
|
|
|
if (prettyprint_arrays)
|
|
|
|
|
{
|
|
|
|
|
print_spaces_filtered (2 + 2 * recurse, stream);
|
|
|
|
|
}
|
|
|
|
|
/* If requested, look for the first null char and only print
|
|
|
|
|
elements up to it. */
|
|
|
|
|
if (stop_print_at_null)
|
|
|
|
|
{
|
|
|
|
|
int temp_len;
|
|
|
|
|
|
|
|
|
|
/* Look for a NULL char. */
|
|
|
|
|
for (temp_len = 0;
|
|
|
|
|
temp_len < len && temp_len < print_max
|
|
|
|
|
&& char_at (valaddr, temp_len, eltlen) != 0;
|
|
|
|
|
temp_len += 1);
|
|
|
|
|
len = temp_len;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
printstr (stream, valaddr, len, 0, eltlen);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
len = 0;
|
|
|
|
|
fprintf_filtered (stream, "(");
|
|
|
|
|
print_optional_low_bound (stream, type);
|
|
|
|
|
if (TYPE_FIELD_BITSIZE (type, 0) > 0)
|
|
|
|
|
val_print_packed_array_elements (type, valaddr, 0, stream,
|
|
|
|
|
format, recurse,
|
|
|
|
|
pretty);
|
|
|
|
|
else
|
|
|
|
|
val_print_array_elements (type, valaddr, address, stream,
|
|
|
|
|
format, deref_ref, recurse,
|
|
|
|
|
pretty, 0);
|
|
|
|
|
fprintf_filtered (stream, ")");
|
|
|
|
|
}
|
|
|
|
|
gdb_flush (stream);
|
|
|
|
|
return len;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case TYPE_CODE_REF:
|
|
|
|
|
elttype = check_typedef (TYPE_TARGET_TYPE (type));
|
|
|
|
|
if (addressprint)
|
|
|
|
|
{
|
|
|
|
|
fprintf_filtered (stream, "@");
|
|
|
|
|
print_address_numeric
|
|
|
|
|
(extract_address (valaddr,
|
|
|
|
|
TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream);
|
|
|
|
|
if (deref_ref)
|
|
|
|
|
fputs_filtered (": ", stream);
|
|
|
|
|
}
|
|
|
|
|
/* De-reference the reference */
|
|
|
|
|
if (deref_ref)
|
|
|
|
|
{
|
|
|
|
|
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
|
|
|
|
|
{
|
|
|
|
|
LONGEST deref_val_int = (LONGEST)
|
|
|
|
|
unpack_pointer (lookup_pointer_type (builtin_type_void),
|
|
|
|
|
valaddr);
|
|
|
|
|
if (deref_val_int != 0)
|
|
|
|
|
{
|
|
|
|
|
struct value* deref_val =
|
|
|
|
|
ada_value_ind (value_from_longest
|
|
|
|
|
(lookup_pointer_type (elttype),
|
|
|
|
|
deref_val_int));
|
|
|
|
|
val_print (VALUE_TYPE (deref_val),
|
|
|
|
|
VALUE_CONTENTS (deref_val), 0,
|
|
|
|
|
VALUE_ADDRESS (deref_val), stream, format,
|
|
|
|
|
deref_ref, recurse + 1, pretty);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
fputs_filtered ("(null)", stream);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
fputs_filtered ("???", stream);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
2002-07-25 03:14:26 +02:00
|
|
|
|
print_variant_part (struct type *type, int field_num, char *valaddr,
|
|
|
|
|
struct ui_file *stream, int format, int recurse,
|
|
|
|
|
enum val_prettyprint pretty, int comma_needed,
|
|
|
|
|
struct type *outer_type, char *outer_valaddr)
|
2002-06-04 17:28:49 +02:00
|
|
|
|
{
|
|
|
|
|
struct type *var_type = TYPE_FIELD_TYPE (type, field_num);
|
|
|
|
|
int which =
|
|
|
|
|
ada_which_variant_applies (var_type, outer_type, outer_valaddr);
|
|
|
|
|
|
|
|
|
|
if (which < 0)
|
|
|
|
|
return 0;
|
|
|
|
|
else
|
|
|
|
|
return print_field_values
|
|
|
|
|
(TYPE_FIELD_TYPE (var_type, which),
|
|
|
|
|
valaddr + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT
|
|
|
|
|
+ TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT,
|
|
|
|
|
stream, format, recurse, pretty,
|
|
|
|
|
comma_needed, outer_type, outer_valaddr);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int
|
2002-07-25 03:14:26 +02:00
|
|
|
|
ada_value_print (struct value* val0, struct ui_file *stream, int format,
|
|
|
|
|
enum val_prettyprint pretty)
|
2002-06-04 17:28:49 +02:00
|
|
|
|
{
|
|
|
|
|
char* valaddr = VALUE_CONTENTS (val0);
|
|
|
|
|
CORE_ADDR address = VALUE_ADDRESS (val0) + VALUE_OFFSET (val0);
|
|
|
|
|
struct type* type =
|
|
|
|
|
ada_to_fixed_type (VALUE_TYPE (val0), valaddr, address, NULL);
|
|
|
|
|
struct value* val = value_from_contents_and_address (type, valaddr, address);
|
|
|
|
|
|
|
|
|
|
/* If it is a pointer, indicate what it points to. */
|
|
|
|
|
if (TYPE_CODE (type) == TYPE_CODE_PTR ||
|
|
|
|
|
TYPE_CODE (type) == TYPE_CODE_REF)
|
|
|
|
|
{
|
|
|
|
|
/* Hack: remove (char *) for char strings. Their
|
|
|
|
|
type is indicated by the quoted string anyway. */
|
|
|
|
|
if (TYPE_CODE (type) == TYPE_CODE_PTR &&
|
|
|
|
|
TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof(char) &&
|
|
|
|
|
TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT &&
|
|
|
|
|
!TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
|
|
|
|
|
{
|
|
|
|
|
/* Print nothing */
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
fprintf_filtered (stream, "(");
|
|
|
|
|
type_print (type, "", stream, -1);
|
|
|
|
|
fprintf_filtered (stream, ") ");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else if (ada_is_array_descriptor (type))
|
|
|
|
|
{
|
|
|
|
|
fprintf_filtered (stream, "(");
|
|
|
|
|
type_print (type, "", stream, -1);
|
|
|
|
|
fprintf_filtered (stream, ") ");
|
|
|
|
|
}
|
|
|
|
|
else if (ada_is_bogus_array_descriptor (type))
|
|
|
|
|
{
|
|
|
|
|
fprintf_filtered (stream, "(");
|
|
|
|
|
type_print (type, "", stream, -1);
|
|
|
|
|
fprintf_filtered (stream, ") (...?)");
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
return (val_print (type, VALUE_CONTENTS (val), 0, address,
|
|
|
|
|
stream, format, 1, 0, pretty));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2002-07-25 03:14:26 +02:00
|
|
|
|
print_record (struct type *type, char *valaddr, struct ui_file *stream,
|
|
|
|
|
int format, int recurse, enum val_prettyprint pretty)
|
2002-06-04 17:28:49 +02:00
|
|
|
|
{
|
|
|
|
|
CHECK_TYPEDEF (type);
|
|
|
|
|
|
|
|
|
|
fprintf_filtered (stream, "(");
|
|
|
|
|
|
|
|
|
|
if (print_field_values (type, valaddr, stream, format, recurse, pretty,
|
|
|
|
|
0, type, valaddr) != 0
|
|
|
|
|
&& pretty)
|
|
|
|
|
{
|
|
|
|
|
fprintf_filtered (stream, "\n");
|
|
|
|
|
print_spaces_filtered (2 * recurse, stream);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
fprintf_filtered (stream, ")");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Print out fields of value at VALADDR having structure type TYPE.
|
|
|
|
|
|
|
|
|
|
TYPE, VALADDR, STREAM, FORMAT, RECURSE, and PRETTY have the
|
|
|
|
|
same meanings as in ada_print_value and ada_val_print.
|
|
|
|
|
|
|
|
|
|
OUTER_TYPE and OUTER_VALADDR give type and address of enclosing record
|
|
|
|
|
(used to get discriminant values when printing variant parts).
|
|
|
|
|
|
|
|
|
|
COMMA_NEEDED is 1 if fields have been printed at the current recursion
|
|
|
|
|
level, so that a comma is needed before any field printed by this
|
|
|
|
|
call.
|
|
|
|
|
|
|
|
|
|
Returns 1 if COMMA_NEEDED or any fields were printed. */
|
|
|
|
|
|
|
|
|
|
static int
|
2002-07-25 03:14:26 +02:00
|
|
|
|
print_field_values (struct type *type, char *valaddr, struct ui_file *stream,
|
|
|
|
|
int format, int recurse, enum val_prettyprint pretty,
|
|
|
|
|
int comma_needed, struct type *outer_type,
|
|
|
|
|
char *outer_valaddr)
|
2002-06-04 17:28:49 +02:00
|
|
|
|
{
|
|
|
|
|
int i, len;
|
|
|
|
|
|
|
|
|
|
len = TYPE_NFIELDS (type);
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < len; i += 1)
|
|
|
|
|
{
|
|
|
|
|
if (ada_is_ignored_field (type, i))
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
if (ada_is_wrapper_field (type, i))
|
|
|
|
|
{
|
|
|
|
|
comma_needed =
|
|
|
|
|
print_field_values (TYPE_FIELD_TYPE (type, i),
|
|
|
|
|
valaddr
|
|
|
|
|
+ TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT,
|
|
|
|
|
stream, format, recurse, pretty,
|
|
|
|
|
comma_needed, type, valaddr);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
else if (ada_is_variant_part (type, i))
|
|
|
|
|
{
|
|
|
|
|
comma_needed =
|
|
|
|
|
print_variant_part (type, i, valaddr,
|
|
|
|
|
stream, format, recurse, pretty, comma_needed,
|
|
|
|
|
outer_type, outer_valaddr);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (comma_needed)
|
|
|
|
|
fprintf_filtered (stream, ", ");
|
|
|
|
|
comma_needed = 1;
|
|
|
|
|
|
|
|
|
|
if (pretty)
|
|
|
|
|
{
|
|
|
|
|
fprintf_filtered (stream, "\n");
|
|
|
|
|
print_spaces_filtered (2 + 2 * recurse, stream);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
wrap_here (n_spaces (2 + 2 * recurse));
|
|
|
|
|
}
|
|
|
|
|
if (inspect_it)
|
|
|
|
|
{
|
|
|
|
|
if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR)
|
|
|
|
|
fputs_filtered ("\"( ptr \"", stream);
|
|
|
|
|
else
|
|
|
|
|
fputs_filtered ("\"( nodef \"", stream);
|
|
|
|
|
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
|
|
|
|
|
language_cplus, DMGL_NO_OPTS);
|
|
|
|
|
fputs_filtered ("\" \"", stream);
|
|
|
|
|
fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i),
|
|
|
|
|
language_cplus, DMGL_NO_OPTS);
|
|
|
|
|
fputs_filtered ("\") \"", stream);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
annotate_field_begin (TYPE_FIELD_TYPE (type, i));
|
|
|
|
|
fprintf_filtered (stream, "%.*s",
|
|
|
|
|
ada_name_prefix_len (TYPE_FIELD_NAME (type, i)),
|
|
|
|
|
TYPE_FIELD_NAME (type, i));
|
|
|
|
|
annotate_field_name_end ();
|
|
|
|
|
fputs_filtered (" => ", stream);
|
|
|
|
|
annotate_field_value ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (TYPE_FIELD_PACKED (type, i))
|
|
|
|
|
{
|
|
|
|
|
struct value* v;
|
|
|
|
|
|
|
|
|
|
/* Bitfields require special handling, especially due to byte
|
|
|
|
|
order problems. */
|
|
|
|
|
if (TYPE_CPLUS_SPECIFIC (type) != NULL
|
|
|
|
|
&& TYPE_FIELD_IGNORE (type, i))
|
|
|
|
|
{
|
|
|
|
|
fputs_filtered ("<optimized out or zero length>", stream);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
int bit_pos = TYPE_FIELD_BITPOS (type, i);
|
|
|
|
|
int bit_size = TYPE_FIELD_BITSIZE (type, i);
|
|
|
|
|
|
|
|
|
|
adjust_type_signedness (TYPE_FIELD_TYPE (type, i));
|
|
|
|
|
v = ada_value_primitive_packed_val (NULL, valaddr,
|
|
|
|
|
bit_pos / HOST_CHAR_BIT,
|
|
|
|
|
bit_pos % HOST_CHAR_BIT,
|
|
|
|
|
bit_size,
|
|
|
|
|
TYPE_FIELD_TYPE (type, i));
|
|
|
|
|
val_print (TYPE_FIELD_TYPE(type, i), VALUE_CONTENTS (v), 0, 0,
|
|
|
|
|
stream, format, 0, recurse + 1, pretty);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
ada_val_print (TYPE_FIELD_TYPE (type, i),
|
|
|
|
|
valaddr + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT,
|
|
|
|
|
0, 0, stream, format, 0, recurse + 1, pretty);
|
|
|
|
|
annotate_field_end ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return comma_needed;
|
|
|
|
|
}
|