/* Support for printing Ada values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1997, 2001,
- 2002, 2003, 2004.
- Free Software Foundation, Inc.
-This file is part of GDB.
+ Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1997, 2001, 2002,
+ 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This file is part of GDB.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <ctype.h>
#include "defs.h"
#include "ada-lang.h"
#include "c-lang.h"
#include "infcall.h"
+#include "exceptions.h"
/* Encapsulates arguments to ada_val_print. */
struct ada_val_print_args
{
struct type *type;
- char *valaddr0;
+ const gdb_byte *valaddr0;
int embedded_offset;
CORE_ADDR address;
struct ui_file *stream;
enum val_prettyprint pretty;
};
-extern int inspect_it;
-extern unsigned int repeat_count_threshold;
-
-static void print_record (struct type *, char *, struct ui_file *, int,
- int, enum val_prettyprint);
-
-static int print_field_values (struct type *, char *, struct ui_file *,
- int, int, enum val_prettyprint,
- int, struct type *, char *);
+static void print_record (struct type *, const gdb_byte *, struct ui_file *,
+ int, int, enum val_prettyprint);
-static int print_variant_part (struct type *, int, char *,
+static int print_field_values (struct type *, const gdb_byte *,
struct ui_file *, int, int,
enum val_prettyprint, int, struct type *,
- char *);
-
-static void val_print_packed_array_elements (struct type *, char *valaddr,
- int, struct ui_file *, int, int,
- enum val_prettyprint);
+ const gdb_byte *);
static void adjust_type_signedness (struct type *);
-static int ada_val_print_stub (PTR args0);
+static int ada_val_print_stub (void *args0);
-static int ada_val_print_1 (struct type *, char *, int, CORE_ADDR,
+static int ada_val_print_1 (struct type *, const gdb_byte *, int, CORE_ADDR,
struct ui_file *, int, int, int,
enum val_prettyprint);
-static void ada_print_floating (char *, struct type *, struct ui_file *);
\f
/* Make TYPE unsigned if its range of values includes no negatives. */
{
struct type *index_type;
long low_bound;
+ long high_bound;
- index_type = TYPE_INDEX_TYPE (type);
- low_bound = 0;
+ if (print_array_indexes_p ())
+ return 0;
+
+ if (!get_array_bounds (type, &low_bound, &high_bound))
+ return 0;
- if (index_type == NULL)
+ /* If this is an empty array, then don't print the lower bound.
+ That would be confusing, because we would print the lower bound,
+ followed by... nothing! */
+ if (low_bound > high_bound)
return 0;
+
+ index_type = TYPE_INDEX_TYPE (type);
+
if (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
{
- low_bound = TYPE_LOW_BOUND (index_type);
+ /* We need to know what the base type is, in order to do the
+ appropriate check below. Otherwise, if this is a subrange
+ of an enumerated type, where the underlying value of the
+ first element is typically 0, we might test the low bound
+ against the wrong value. */
index_type = TYPE_TARGET_TYPE (index_type);
}
- else
- return 0;
switch (TYPE_CODE (index_type))
{
by ada_coerce_to_simple_array). */
static void
-val_print_packed_array_elements (struct type *type, char *valaddr,
+val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr,
int bitoffset, struct ui_file *stream,
int format, int recurse,
enum val_prettyprint pretty)
unsigned int i;
unsigned int things_printed = 0;
unsigned len;
- struct type *elttype;
+ struct type *elttype, *index_type;
unsigned eltlen;
unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0);
struct value *mark = value_mark ();
+ LONGEST low = 0;
elttype = TYPE_TARGET_TYPE (type);
eltlen = TYPE_LENGTH (check_typedef (elttype));
+ index_type = TYPE_INDEX_TYPE (type);
{
- LONGEST low, high;
+ LONGEST high;
if (get_discrete_bounds (TYPE_FIELD_TYPE (type, 0), &low, &high) < 0)
len = 1;
else
}
}
wrap_here (n_spaces (2 + 2 * recurse));
+ maybe_print_array_index (index_type, i + low, stream, format, pretty);
i0 = i;
v0 = ada_value_primitive_packed_val (NULL, valaddr,
(i * bitsize) / HOST_CHAR_BIT,
(i * bitsize) % HOST_CHAR_BIT,
bitsize, elttype);
- if (memcmp (VALUE_CONTENTS (v0), VALUE_CONTENTS (v1), eltlen) != 0)
+ if (memcmp (value_contents (v0), value_contents (v1), eltlen) != 0)
break;
}
if (i - i0 > repeat_count_threshold)
{
- val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format,
- 0, recurse + 1, pretty);
+ val_print (elttype, value_contents (v0), 0, 0, stream, format,
+ 0, recurse + 1, pretty, current_language);
annotate_elt_rep (i - i0);
- fprintf_filtered (stream, " <repeats %u times>", i - i0);
+ fprintf_filtered (stream, _(" <repeats %u times>"), i - i0);
annotate_elt_rep_end ();
}
fprintf_filtered (stream, ", ");
}
wrap_here (n_spaces (2 + 2 * recurse));
+ maybe_print_array_index (index_type, j + low,
+ stream, format, pretty);
}
- val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format,
- 0, recurse + 1, pretty);
+ val_print (elttype, value_contents (v0), 0, 0, stream, format,
+ 0, recurse + 1, pretty, current_language);
annotate_elt ();
}
}
}
static struct type *
-printable_val_type (struct type *type, char *valaddr)
+printable_val_type (struct type *type, const gdb_byte *valaddr)
{
- return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL);
+ return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL, 1);
}
/* Print the character C on STREAM as part of the contents of a literal
if (isascii (c) && isprint (c))
{
if (c == quoter && c == '"')
- fprintf_filtered (stream, "[\"%c\"]", quoter);
+ fprintf_filtered (stream, "\"\"");
else
fprintf_filtered (stream, "%c", c);
}
or 2) of a character. */
static int
-char_at (char *string, int i, int type_len)
+char_at (const gdb_byte *string, int i, int type_len)
{
if (type_len == 1)
return string[i];
a decimal point, and at least one digit before and after the
point. We use GNAT format for NaNs and infinities. */
static void
-ada_print_floating (char *valaddr, struct type *type, struct ui_file *stream)
+ada_print_floating (const gdb_byte *valaddr, struct type *type,
+ struct ui_file *stream)
{
char buffer[64];
char *s, *result;
len = strlen (result);
/* Modify for Ada rules. */
- if ((s = strstr (result, "inf")) != NULL
- || (s = strstr (result, "Inf")) != NULL
- || (s = strstr (result, "INF")) != NULL)
+
+ s = strstr (result, "inf");
+ if (s == NULL)
+ s = strstr (result, "Inf");
+ if (s == NULL)
+ s = strstr (result, "INF");
+ if (s != NULL)
strcpy (s, "Inf");
- else if ((s = strstr (result, "nan")) != NULL
- || (s = strstr (result, "NaN")) != NULL
- || (s = strstr (result, "Nan")) != NULL)
+
+ if (s == NULL)
{
- s[0] = s[2] = 'N';
- if (result[0] == '-')
- result += 1;
+ s = strstr (result, "nan");
+ if (s == NULL)
+ s = strstr (result, "NaN");
+ if (s == NULL)
+ s = strstr (result, "Nan");
+ if (s != NULL)
+ {
+ s[0] = s[2] = 'N';
+ if (result[0] == '-')
+ result += 1;
+ }
}
- else if (strchr (result, '.') == NULL)
+
+ if (s == NULL && strchr (result, '.') == NULL)
{
- if ((s = strchr (result, 'e')) == NULL)
+ s = strchr (result, 'e');
+ if (s == NULL)
fprintf_filtered (stream, "%s.0", result);
else
fprintf_filtered (stream, "%.*s.0%s", (int) (s-result), result, s);
unsigned int i;
unsigned len;
- CHECK_TYPEDEF (type);
+ type = ada_check_typedef (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_SET:
case TYPE_CODE_STRING:
case TYPE_CODE_ERROR:
- case TYPE_CODE_MEMBER:
+ case TYPE_CODE_MEMBERPTR:
+ case TYPE_CODE_METHODPTR:
case TYPE_CODE_METHOD:
case TYPE_CODE_REF:
- warning ("internal error: unhandled type in ada_print_scalar");
+ warning (_("internal error: unhandled type in ada_print_scalar"));
break;
default:
- error ("Invalid type code in symbol table.");
+ error (_("Invalid type code in symbol table."));
}
gdb_flush (stream);
}
*/
static void
-printstr (struct ui_file *stream, char *string, unsigned int length,
- int force_ellipses, int type_len)
+printstr (struct ui_file *stream, const gdb_byte *string,
+ unsigned int length, int force_ellipses, int type_len)
{
unsigned int i;
unsigned int things_printed = 0;
rep1 = i + 1;
reps = 1;
- while (rep1 < length &&
- char_at (string, rep1, type_len) == char_at (string, i,
- type_len))
+ while (rep1 < length
+ && char_at (string, rep1, type_len) == char_at (string, i,
+ type_len))
{
rep1 += 1;
reps += 1;
ada_emit_char (char_at (string, i, type_len), stream, '\'',
type_len);
fputs_filtered ("'", stream);
- fprintf_filtered (stream, " <repeats %u times>", reps);
+ fprintf_filtered (stream, _(" <repeats %u times>"), reps);
i = rep1 - 1;
things_printed += repeat_count_threshold;
need_comma = 1;
}
void
-ada_printstr (struct ui_file *stream, char *string, unsigned int length,
- int width, int force_ellipses)
+ada_printstr (struct ui_file *stream, const gdb_byte *string,
+ unsigned int length, int width, int force_ellipses)
{
printstr (stream, string, length, force_ellipses, width);
}
arrays.) */
int
-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)
+ada_val_print (struct type *type, const gdb_byte *valaddr0,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int format, int deref_ref,
+ int recurse, enum val_prettyprint pretty)
{
struct ada_val_print_args args;
args.type = type;
/* 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)
+ada_val_print_stub (void *args0)
{
struct ada_val_print_args *argsp = (struct ada_val_print_args *) args0;
return ada_val_print_1 (argsp->type, argsp->valaddr0,
argsp->recurse, argsp->pretty);
}
+/* Assuming TYPE is a simple array, print the value of this array located
+ at VALADDR. See ada_val_print for a description of the various
+ parameters of this function; they are identical. The semantics
+ of the return value is also identical to ada_val_print. */
+
+static int
+ada_val_print_array (struct type *type, const gdb_byte *valaddr,
+ CORE_ADDR address, struct ui_file *stream, int format,
+ int deref_ref, int recurse, enum val_prettyprint pretty)
+{
+ struct type *elttype = TYPE_TARGET_TYPE (type);
+ unsigned int eltlen;
+ unsigned int len;
+ int result = 0;
+
+ if (elttype == NULL)
+ eltlen = 0;
+ else
+ eltlen = TYPE_LENGTH (elttype);
+ if (eltlen == 0)
+ len = 0;
+ else
+ 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);
+ result = len;
+ }
+ else
+ {
+ 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, ")");
+ }
+
+ return result;
+}
+
/* See the comment on ada_val_print. This function differs in that it
- * does not catch evaluation errors (leaving that to ada_val_print). */
+ does not catch evaluation errors (leaving that to ada_val_print). */
static int
-ada_val_print_1 (struct type *type, char *valaddr0, int embedded_offset,
- CORE_ADDR address, struct ui_file *stream, int format,
+ada_val_print_1 (struct type *type, const gdb_byte *valaddr0,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int format,
int deref_ref, int recurse, enum val_prettyprint pretty)
{
unsigned int len;
struct type *elttype;
unsigned int eltlen;
LONGEST val;
- char *valaddr = valaddr0 + embedded_offset;
+ const gdb_byte *valaddr = valaddr0 + embedded_offset;
- CHECK_TYPEDEF (type);
+ type = ada_check_typedef (type);
if (ada_is_array_descriptor_type (type) || ada_is_packed_array_type (type))
{
retn = 0;
}
else
- retn = ada_val_print_1 (VALUE_TYPE (val), VALUE_CONTENTS (val), 0,
+ 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);
call_function_by_hand (func, 1,
&val)));
- fprintf_filtered (stream, "%s", VALUE_CONTENTS (printable_val));
+ fprintf_filtered (stream, "%s", value_contents (printable_val));
return 0;
}
/* No special printing function. Do as best we can. */
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,
+ return ada_val_print_1 (target_type, value_contents (v), 0, 0,
stream, format, 0, recurse + 1, pretty);
}
else
fprintf_filtered (stream, "(");
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
- print_address_numeric
- (extract_typed_address (valaddr, builtin_type_void_data_ptr),
- 1, stream);
+ fputs_filtered (paddress (extract_typed_address
+ (valaddr, builtin_type_void_data_ptr)),
+ stream);
}
else
{
}
break;
+ case TYPE_CODE_FLAGS:
+ if (format)
+ print_scalar_formatted (valaddr, type, format, 0, stream);
+ else
+ val_print_type_code_flags (type, valaddr, stream);
+ break;
+
case TYPE_CODE_FLT:
if (format)
return c_val_print (type, valaddr0, embedded_offset, address, stream,
}
case TYPE_CODE_ARRAY:
- elttype = TYPE_TARGET_TYPE (type);
- if (elttype == NULL)
- eltlen = 0;
- else
- eltlen = TYPE_LENGTH (elttype);
- /* FIXME: This doesn't deal with non-empty arrays of
- 0-length items (not a typical case!) */
- if (eltlen == 0)
- len = 0;
- else
- 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;
+ return ada_val_print_array (type, valaddr, address, stream, format,
+ deref_ref, recurse, pretty);
case TYPE_CODE_REF:
+ /* For references, the debugger is expected to print the value as
+ an address if DEREF_REF is null. But printing an address in place
+ of the object value would be confusing to an Ada programmer.
+ So, for Ada values, we print the actual dereferenced value
+ regardless. */
elttype = check_typedef (TYPE_TARGET_TYPE (type));
- /* 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);
- }
+
+ 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, current_language);
+ }
+ else
+ fputs_filtered ("(null)", stream);
+ }
+ else
+ fputs_filtered ("???", stream);
+
break;
}
gdb_flush (stream);
}
static int
-print_variant_part (struct type *type, int field_num, char *valaddr,
+print_variant_part (struct type *type, int field_num, const gdb_byte *valaddr,
struct ui_file *stream, int format, int recurse,
enum val_prettyprint pretty, int comma_needed,
- struct type *outer_type, char *outer_valaddr)
+ struct type *outer_type, const gdb_byte *outer_valaddr)
{
struct type *var_type = TYPE_FIELD_TYPE (type, field_num);
int which = ada_which_variant_applies (var_type, outer_type, outer_valaddr);
ada_value_print (struct value *val0, struct ui_file *stream, int format,
enum val_prettyprint pretty)
{
- char *valaddr = VALUE_CONTENTS (val0);
- CORE_ADDR address = VALUE_ADDRESS (val0) + VALUE_OFFSET (val0);
+ const gdb_byte *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);
+ ada_to_fixed_type (value_type (val0), valaddr, address, NULL, 1);
struct value *val =
value_from_contents_and_address (type, valaddr, address);
return 0;
}
- if (TYPE_CODE (type) == TYPE_CODE_ARRAY
- && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == 0
- && TYPE_CODE (TYPE_INDEX_TYPE (type)) == TYPE_CODE_RANGE)
- {
- /* This is an array of zero-length elements, that is an array
- of null records. This array needs to be printed by hand,
- as the standard routine to print arrays relies on the size of
- the array elements to be nonzero. This is because it computes
- the number of elements in the array by dividing the array size
- by the array element size. */
- fprintf_filtered (stream, "(%d .. %d => ())",
- TYPE_LOW_BOUND (TYPE_INDEX_TYPE (type)),
- TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (type)));
- return 0;
- }
-
- return (val_print (type, VALUE_CONTENTS (val), 0, address,
- stream, format, 1, 0, pretty));
+ return (val_print (type, value_contents (val), 0, address,
+ stream, format, 1, 0, pretty, current_language));
}
static void
-print_record (struct type *type, char *valaddr, struct ui_file *stream,
- int format, int recurse, enum val_prettyprint pretty)
+print_record (struct type *type, const gdb_byte *valaddr,
+ struct ui_file *stream, int format, int recurse,
+ enum val_prettyprint pretty)
{
- CHECK_TYPEDEF (type);
+ type = ada_check_typedef (type);
fprintf_filtered (stream, "(");
Returns 1 if COMMA_NEEDED or any fields were printed. */
static int
-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)
+print_field_values (struct type *type, const gdb_byte *valaddr,
+ struct ui_file *stream, int format, int recurse,
+ enum val_prettyprint pretty, int comma_needed,
+ struct type *outer_type, const gdb_byte *outer_valaddr)
{
int i, len;
if (TYPE_CPLUS_SPECIFIC (type) != NULL
&& TYPE_FIELD_IGNORE (type, i))
{
- fputs_filtered ("<optimized out or zero length>", stream);
+ fputs_filtered (_("<optimized out or zero length>"), stream);
}
else
{
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);
+ val_print (TYPE_FIELD_TYPE (type, i), value_contents (v), 0, 0,
+ stream, format, 0, recurse + 1, pretty,
+ current_language);
}
}
else