+
/* Internal type definitions for GDB.
Copyright (C) 1992-2014 Free Software Foundation, Inc.
languages using a common representation defined in gdbtypes.h.
The main data structure is main_type; it consists of a code (such
- as TYPE_CODE_ENUM for enumeration types), a number of
+ as #TYPE_CODE_ENUM for enumeration types), a number of
generally-useful fields such as the printable name, and finally a
- field type_specific that is a union of info specific to particular
- languages or other special cases (such as calling convention).
+ field main_type::type_specific that is a union of info specific to
+ particular languages or other special cases (such as calling
+ convention).
- The available type codes are defined in enum type_code. The enum
+ The available type codes are defined in enum #type_code. The enum
includes codes both for types that are common across a variety
of languages, and for types that are language-specific.
- Most accesses to type fields go through macros such as TYPE_CODE
- and TYPE_FN_FIELD_CONST. These are written such that they can be
- used as both rvalues and lvalues.
+ Most accesses to type fields go through macros such as
+ #TYPE_CODE(thistype) and #TYPE_FN_FIELD_CONST(thisfn, n). These are
+ written such that they can be used as both rvalues and lvalues.
*/
#include "hashtab.h"
#define TYPE_OBJFILE(t) (TYPE_OBJFILE_OWNED(t)? TYPE_OWNER(t).objfile : NULL)
/* * True if this type was declared using the "class" keyword. This is
- only valid for C++ structure types, and only used for displaying
- the type. If false, the structure was declared as a "struct". */
+ only valid for C++ structure and enum types. If false, a structure
+ was declared as a "struct"; if true it was declared "class". For
+ enum types, this is true when "enum class" or "enum struct" was
+ used to declare the type.. */
#define TYPE_DECLARED_CLASS(t) (TYPE_MAIN_TYPE (t)->flag_declared_class)
#define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
& TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL)
+/* * Used to store a dynamic property. */
+
+struct dynamic_prop
+{
+ /* Determine which field of the union dynamic_prop.data is used. */
+ enum
+ {
+ PROP_UNDEFINED, /* Not defined. */
+ PROP_CONST, /* Constant. */
+ PROP_LOCEXPR, /* Location expression. */
+ PROP_LOCLIST /* Location list. */
+ } kind;
+
+ /* Storage for dynamic or static value. */
+ union data
+ {
+ /* Storage for constant property. */
+
+ LONGEST const_val;
+
+ /* Storage for dynamic property. */
+
+ void *baton;
+ } data;
+};
+
+
/* * Determine which field of the union main_type.fields[x].loc is
used. */
{
/* * Low bound of range. */
- LONGEST low;
+ struct dynamic_prop low;
/* * High bound of range. */
- LONGEST high;
+ struct dynamic_prop high;
+
+ /* True if HIGH range bound contains the number of elements in the
+ subrange. This affects how the final hight bound is computed. */
+
+ int flag_upper_bound_is_count : 1;
- /* * Flags indicating whether the values of low and high are
- valid. When true, the respective range value is
- undefined. Currently used only for FORTRAN arrays. */
-
- char low_undefined;
- char high_undefined;
+ /* True if LOW or/and HIGH are resolved into a static bound from
+ a dynamic one. */
+ int flag_bound_evaluated : 1;
} *bounds;
} flds_bnds;
#define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
#define TYPE_RANGE_DATA(thistype) TYPE_MAIN_TYPE(thistype)->flds_bnds.bounds
-#define TYPE_LOW_BOUND(range_type) TYPE_RANGE_DATA(range_type)->low
-#define TYPE_HIGH_BOUND(range_type) TYPE_RANGE_DATA(range_type)->high
+#define TYPE_LOW_BOUND(range_type) \
+ TYPE_RANGE_DATA(range_type)->low.data.const_val
+#define TYPE_HIGH_BOUND(range_type) \
+ TYPE_RANGE_DATA(range_type)->high.data.const_val
#define TYPE_LOW_BOUND_UNDEFINED(range_type) \
- TYPE_RANGE_DATA(range_type)->low_undefined
+ (TYPE_RANGE_DATA(range_type)->low.kind == PROP_UNDEFINED)
#define TYPE_HIGH_BOUND_UNDEFINED(range_type) \
- TYPE_RANGE_DATA(range_type)->high_undefined
+ (TYPE_RANGE_DATA(range_type)->high.kind == PROP_UNDEFINED)
+#define TYPE_HIGH_BOUND_KIND(range_type) \
+ TYPE_RANGE_DATA(range_type)->high.kind
+#define TYPE_LOW_BOUND_KIND(range_type) \
+ TYPE_RANGE_DATA(range_type)->low.kind
/* Moto-specific stuff for FORTRAN arrays. */
#define TYPE_VPTR_BASETYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
#define TYPE_DOMAIN_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
#define TYPE_VPTR_FIELDNO(thistype) TYPE_MAIN_TYPE(thistype)->vptr_fieldno
-#define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
#define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
#define TYPE_SPECIFIC_FIELD(thistype) \
TYPE_MAIN_TYPE(thistype)->type_specific_field
int,
struct type **);
-extern struct type *create_range_type (struct type *, struct type *, LONGEST,
- LONGEST);
+extern struct type *create_static_range_type (struct type *, struct type *,
+ LONGEST, LONGEST);
+
extern struct type *create_array_type_with_stride
(struct type *, struct type *, struct type *, unsigned int);
+extern struct type *create_range_type (struct type *, struct type *,
+ const struct dynamic_prop *,
+ const struct dynamic_prop *);
+
extern struct type *create_array_type (struct type *, struct type *,
struct type *);
extern void get_signed_type_minmax (struct type *, LONGEST *, LONGEST *);
+/* * Resolve all dynamic values of a type e.g. array bounds to static values.
+ ADDR specifies the location of the variable the type is bound to.
+ If TYPE has no dynamic properties return TYPE; otherwise a new type with
+ static properties is returned. */
+extern struct type *resolve_dynamic_type (struct type *type, CORE_ADDR addr);
+
+/* * Predicate if the type has dynamic values, which are not resolved yet. */
+extern int is_dynamic_type (struct type *type);
+
extern struct type *check_typedef (struct type *);
#define CHECK_TYPEDEF(TYPE) \
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