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* ada-lang.c (to_fixed_range_type): Add ORIG_TYPE argument.

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Fall back to orig_type as index type if symbol lookup fails.
	Allocate result types from ORIG_TYPE's objfile.
	(ada_array_bound_from_type, to_fixed_array_type,
	ada_evaluate_subexp): Pass original index type to
	to_fixed_range_type.  Do not pass objfile.

	* ada-typeprint.c (print_range_type_named): Add ORIG_TYPE argument.
	Fall back to orig_type as index type if symbol lookup fails.
	(print_array_type, ada_print_type): Pass original index type
	to print_range_type_named.
This commit is contained in:
Ulrich Weigand
2009-06-29 17:28:59 +00:00
parent dd19d49e4b
commit 1ce677a4a1
3 changed files with 54 additions and 41 deletions
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59
gdb/ada-lang.c
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@@ -168,7 +168,7 @@ static struct type *to_fixed_variant_branch_type (struct type *,
static struct type *to_fixed_array_type (struct type *, struct value *, int);
static struct type *to_fixed_range_type (char *, struct value *,
struct objfile *);
struct type *);
static struct type *to_static_fixed_type (struct type *);
static struct type *static_unwrap_type (struct type *type);
@@ -2455,8 +2455,9 @@ ada_index_type (struct type *type, int n, const char *name)
static LONGEST
ada_array_bound_from_type (struct type * arr_type, int n, int which)
{
struct type *type, *index_type_desc, *index_type;
struct type *type, *elt_type, *index_type_desc, *index_type;
LONGEST retval;
int i;
gdb_assert (which == 0 || which == 1);
@@ -2471,20 +2472,16 @@ ada_array_bound_from_type (struct type * arr_type, int n, int which)
else
type = arr_type;
elt_type = type;
for (i = n; i > 1; i--)
elt_type = TYPE_TARGET_TYPE (type);
index_type_desc = ada_find_parallel_type (type, "___XA");
if (index_type_desc != NULL)
index_type = to_fixed_range_type (TYPE_FIELD_NAME (index_type_desc, n - 1),
NULL, TYPE_OBJFILE (arr_type));
NULL, TYPE_INDEX_TYPE (elt_type));
else
{
while (n > 1)
{
type = TYPE_TARGET_TYPE (type);
n -= 1;
}
index_type = TYPE_INDEX_TYPE (type);
}
index_type = TYPE_INDEX_TYPE (elt_type);
switch (TYPE_CODE (index_type))
{
@@ -7195,13 +7192,16 @@ to_fixed_array_type (struct type *type0, struct value *dval,
consult the object tag. */
result =
ada_to_fixed_type (ada_check_typedef (elt_type0), 0, 0, dval, 1);
elt_type0 = type0;
for (i = TYPE_NFIELDS (index_type_desc) - 1; i >= 0; i -= 1)
{
struct type *range_type =
to_fixed_range_type (TYPE_FIELD_NAME (index_type_desc, i),
dval, TYPE_OBJFILE (type0));
result = create_array_type (alloc_type (TYPE_OBJFILE (type0)),
dval, TYPE_INDEX_TYPE (elt_type0));
result = create_array_type (alloc_type (TYPE_OBJFILE (elt_type0)),
result, range_type);
elt_type0 = TYPE_TARGET_TYPE (elt_type0);
}
if (!ignore_too_big && TYPE_LENGTH (result) > varsize_limit)
error (_("array type with dynamic size is larger than varsize-limit"));
@@ -9127,8 +9127,7 @@ ada_evaluate_subexp (struct type *expect_type, struct expression *exp,
char *name = ada_type_name (type_arg);
range_type = NULL;
if (name != NULL && TYPE_CODE (type_arg) != TYPE_CODE_ENUM)
range_type =
to_fixed_range_type (name, NULL, TYPE_OBJFILE (type_arg));
range_type = to_fixed_range_type (name, NULL, type_arg);
if (range_type == NULL)
range_type = type_arg;
switch (op)
@@ -9688,26 +9687,24 @@ get_int_var_value (char *name, int *flag)
/* Return a range type whose base type is that of the range type named
NAME in the current environment, and whose bounds are calculated
from NAME according to the GNAT range encoding conventions.
Extract discriminant values, if needed, from DVAL. If a new type
must be created, allocate in OBJFILE's space. The bounds
information, in general, is encoded in NAME, the base type given in
the named range type. */
Extract discriminant values, if needed, from DVAL. ORIG_TYPE is the
corresponding range type from debug information; fall back to using it
if symbol lookup fails. If a new type must be created, allocate it
like ORIG_TYPE was. The bounds information, in general, is encoded
in NAME, the base type given in the named range type. */
static struct type *
to_fixed_range_type (char *name, struct value *dval, struct objfile *objfile)
to_fixed_range_type (char *name, struct value *dval, struct type *orig_type)
{
struct type *raw_type = ada_find_any_type (name);
struct type *base_type;
char *subtype_info;
/* Also search primitive types if type symbol could not be found. */
/* Fall back to the original type if symbol lookup failed. */
if (raw_type == NULL)
raw_type = language_lookup_primitive_type_by_name
(language_def (language_ada), current_gdbarch, name);
raw_type = orig_type;
if (raw_type == NULL)
base_type = builtin_type_int32;
else if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE)
if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE)
base_type = TYPE_TARGET_TYPE (raw_type);
else
base_type = raw_type;
@@ -9720,7 +9717,8 @@ to_fixed_range_type (char *name, struct value *dval, struct objfile *objfile)
if (L < INT_MIN || U > INT_MAX)
return raw_type;
else
return create_range_type (alloc_type (objfile), raw_type,
return create_range_type (alloc_type (TYPE_OBJFILE (orig_type)),
raw_type,
discrete_type_low_bound (raw_type),
discrete_type_high_bound (raw_type));
}
@@ -9783,9 +9781,8 @@ to_fixed_range_type (char *name, struct value *dval, struct objfile *objfile)
}
}
if (objfile == NULL)
objfile = TYPE_OBJFILE (base_type);
type = create_range_type (alloc_type (objfile), base_type, L, U);
type = create_range_type (alloc_type (TYPE_OBJFILE (orig_type)),
base_type, L, U);
TYPE_NAME (type) = name;
return type;
}