/* Definitions for C++ parsing and type checking.
Copyright (C) 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com)
This file is part of GCC.
CPTI_BASE_DESC_TYPE,
CPTI_CLASS_TYPE,
- CPTI_RECORD_TYPE,
- CPTI_UNION_TYPE,
- CPTI_ENUM_TYPE,
CPTI_UNKNOWN_TYPE,
CPTI_VTBL_TYPE,
CPTI_VTBL_PTR_TYPE,
#define base_desc_type_node cp_global_trees[CPTI_BASE_DESC_TYPE]
#define class_type_node cp_global_trees[CPTI_CLASS_TYPE]
-#define record_type_node cp_global_trees[CPTI_RECORD_TYPE]
-#define union_type_node cp_global_trees[CPTI_UNION_TYPE]
-#define enum_type_node cp_global_trees[CPTI_ENUM_TYPE]
#define unknown_type_node cp_global_trees[CPTI_UNKNOWN_TYPE]
#define vtbl_type_node cp_global_trees[CPTI_VTBL_TYPE]
#define vtbl_ptr_type_node cp_global_trees[CPTI_VTBL_PTR_TYPE]
int in_base_initializer;
/* True if this function can throw an exception. */
- bool can_throw : 1;
+ BOOL_BITFIELD can_throw : 1;
struct named_label_use_list *x_named_label_uses;
struct named_label_list *x_named_labels;
/* Nonzero iff TYPE is derived from PARENT. Ignores accessibility and
ambiguity issues. */
#define DERIVED_FROM_P(PARENT, TYPE) \
- (lookup_base ((TYPE), PARENT, ba_any, NULL) != NULL_TREE)
+ (lookup_base ((TYPE), (PARENT), ba_any, NULL) != NULL_TREE)
/* Nonzero iff TYPE is uniquely derived from PARENT. Ignores
accessibility. */
#define UNIQUELY_DERIVED_FROM_P(PARENT, TYPE) \
/* This is a few header flags for 'struct lang_type'. Actually,
all but the first are used only for lang_type_class; they
are put in this structure to save space. */
-__extension__ struct lang_type_header GTY(())
+struct lang_type_header GTY(())
{
- CHAR_BITFIELD is_lang_type_class : 1;
-
- CHAR_BITFIELD has_type_conversion : 1;
- CHAR_BITFIELD has_init_ref : 1;
- CHAR_BITFIELD has_default_ctor : 1;
- CHAR_BITFIELD uses_multiple_inheritance : 1;
- CHAR_BITFIELD const_needs_init : 1;
- CHAR_BITFIELD ref_needs_init : 1;
- CHAR_BITFIELD has_const_assign_ref : 1;
+ BOOL_BITFIELD is_lang_type_class : 1;
+
+ BOOL_BITFIELD has_type_conversion : 1;
+ BOOL_BITFIELD has_init_ref : 1;
+ BOOL_BITFIELD has_default_ctor : 1;
+ BOOL_BITFIELD uses_multiple_inheritance : 1;
+ BOOL_BITFIELD const_needs_init : 1;
+ BOOL_BITFIELD ref_needs_init : 1;
+ BOOL_BITFIELD has_const_assign_ref : 1;
};
/* This structure provides additional information above and beyond
#define TYPE_HAS_DEFAULT_CONSTRUCTOR(NODE) \
(LANG_TYPE_CLASS_CHECK (NODE)->h.has_default_ctor)
-/* Nonzero means that this type contains a mutable member */
+/* Nonzero means that this type contains a mutable member. */
#define CLASSTYPE_HAS_MUTABLE(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_mutable)
#define TYPE_HAS_MUTABLE_P(NODE) (cp_has_mutable_p (NODE))
unsigned this_thunk_p : 1;
union lang_decl_u {
- /* In a FUNCTION_DECL, VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this
- is DECL_TEMPLATE_INFO. */
+ /* In a FUNCTION_DECL for which DECL_THUNK_P does not hold,
+ VAR_DECL, TYPE_DECL, or TEMPLATE_DECL, this is
+ DECL_TEMPLATE_INFO. */
tree GTY ((tag ("0"))) template_info;
/* In a NAMESPACE_DECL, this is NAMESPACE_LEVEL. */
struct cp_binding_level * GTY ((tag ("1"))) level;
+
+ /* In a FUNCTION_DECL for which DECL_THUNK_P holds, this is
+ THUNK_ALIAS. */
+ tree GTY ((tag ("2"))) thunk_alias;
} GTY ((desc ("%1.u1sel"))) u;
union lang_decl_u2 {
/* Nonzero if NODE is a user-defined conversion operator. */
#define DECL_CONV_FN_P(NODE) \
- (IDENTIFIER_TYPENAME_P (DECL_NAME (NODE)))
+ (DECL_NAME (NODE) && IDENTIFIER_TYPENAME_P (DECL_NAME (NODE)))
/* If FN is a conversion operator, the type to which it converts.
Otherwise, NULL_TREE. */
#define DECL_TEMPLATE_TEMPLATE_PARM_P(NODE) \
(TREE_CODE (NODE) == TEMPLATE_DECL && DECL_TEMPLATE_PARM_P (NODE))
+/* Nonzero if NODE is a TEMPLATE_DECL representing an
+ UNBOUND_CLASS_TEMPLATE tree node. */
+#define DECL_UNBOUND_CLASS_TEMPLATE_P(NODE) \
+ (TREE_CODE (NODE) == TEMPLATE_DECL && !DECL_TEMPLATE_RESULT (NODE))
+
#define DECL_FUNCTION_TEMPLATE_P(NODE) \
(TREE_CODE (NODE) == TEMPLATE_DECL \
+ && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
&& TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == FUNCTION_DECL)
/* Nonzero for a DECL that represents a template class. */
#define DECL_CLASS_TEMPLATE_P(NODE) \
(TREE_CODE (NODE) == TEMPLATE_DECL \
+ && !DECL_UNBOUND_CLASS_TEMPLATE_P (NODE) \
&& TREE_CODE (DECL_TEMPLATE_RESULT (NODE)) == TYPE_DECL \
&& !DECL_TEMPLATE_TEMPLATE_PARM_P (NODE))
for the result pointer adjustment.
The constant adjustment is given by THUNK_FIXED_OFFSET. If the
- vcall or vbase offset is required, the index into the vtable is given by
- THUNK_VIRTUAL_OFFSET.
-
- Due to ordering constraints in class layout, it is possible to have
- equivalent covariant thunks. THUNK_ALIAS_P and THUNK_ALIAS are used
- in those cases. */
+ vcall or vbase offset is required, THUNK_VIRTUAL_OFFSET is
+ used. For this pointer adjusting thunks, it is the vcall offset
+ into the vtable. For result pointer adjusting thunks it is the
+ binfo of the virtual base to convert to. Use that binfo's vbase
+ offset.
+
+ It is possible to have equivalent covariant thunks. These are
+ distinct virtual covariant thunks whose vbase offsets happen to
+ have the same value. THUNK_ALIAS is used to pick one as the
+ canonical thunk, which will get all the this pointer adjusting
+ thunks attached to it. */
/* An integer indicating how many bytes should be subtracted from the
this or result pointer when this function is called. */
binfos.) */
#define THUNK_VIRTUAL_OFFSET(DECL) \
- (LANG_DECL_U2_CHECK (VAR_OR_FUNCTION_DECL_CHECK (DECL), 0)->virtual_offset)
-
-/* A thunk which is equivalent to another thunk. */
-#define THUNK_ALIAS_P(DECL) \
- (THUNK_VIRTUAL_OFFSET (DECL) && DECL_P (THUNK_VIRTUAL_OFFSET (DECL)))
+ (LANG_DECL_U2_CHECK (FUNCTION_DECL_CHECK (DECL), 0)->virtual_offset)
-/* When THUNK_ALIAS_P is true, this indicates the thunk which is
- aliased. */
-#define THUNK_ALIAS(DECL) THUNK_VIRTUAL_OFFSET (DECL)
+/* A thunk which is equivalent to another thunk. */
+#define THUNK_ALIAS(DECL) \
+ (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->decl_flags.u.thunk_alias)
/* For thunk NODE, this is the FUNCTION_DECL thunked to. */
#define THUNK_TARGET(NODE) \
clk_ordinary = 1, /* An ordinary lvalue. */
clk_class = 2, /* An rvalue of class-type. */
clk_bitfield = 4, /* An lvalue for a bit-field. */
- clk_packed = 8 /* An lvalue for a packed field. */
+ clk_packed = 8 /* An lvalue for a packed field. */
} cp_lvalue_kind;
/* Various kinds of template specialization, instantiation, etc. */
extern GTY(()) tree integer_two_node;
extern GTY(()) tree integer_three_node;
-extern GTY(()) tree anonymous_namespace_name;
-
/* The number of function bodies which we are currently processing.
(Zero if we are at namespace scope, one inside the body of a
function, two inside the body of a function in a local class, etc.) */
#define B_CLR(A,X) ((A)[(X)>>3] &= ~(1 << ((X)&7)))
#define B_TST(A,X) ((A)[(X)>>3] & (1 << ((X)&7)))
-/* These are uses as bits in flags passed to build_method_call
+/* These are uses as bits in flags passed to build_new_method_call
to control its error reporting behavior.
LOOKUP_PROTECT means flag access violations.
extern tree build_conditional_expr (tree, tree, tree);
extern tree build_addr_func (tree);
extern tree build_call (tree, tree);
-extern tree build_method_call (tree, tree, tree, tree, int);
extern bool null_ptr_cst_p (tree);
extern bool sufficient_parms_p (tree);
extern tree type_decays_to (tree);
extern tree make_anon_name (void);
extern void clear_anon_tags (void);
extern int decls_match (tree, tree);
-extern int duplicate_decls (tree, tree);
+extern tree duplicate_decls (tree, tree);
extern tree pushdecl_top_level (tree);
extern tree pushdecl_top_level_and_finish (tree, tree);
extern tree push_using_decl (tree, tree);
extern int wrapup_globals_for_namespace (tree, void *);
extern tree create_implicit_typedef (tree, tree);
extern tree maybe_push_decl (tree);
+extern tree force_target_expr (tree, tree);
extern tree build_target_expr_with_type (tree, tree);
extern int local_variable_p (tree);
extern int nonstatic_local_decl_p (tree);
/* in decl2.c */
extern bool check_java_method (tree);
extern int grok_method_quals (tree, tree, tree);
-extern void warn_if_unknown_interface (tree);
extern void grok_x_components (tree);
extern void maybe_retrofit_in_chrg (tree);
extern void maybe_make_one_only (tree);
extern void grokclassfn (tree, tree, enum overload_flags, tree);
extern tree grok_array_decl (tree, tree);
extern tree delete_sanity (tree, tree, int, int);
-extern tree check_classfn (tree, tree);
+extern tree check_classfn (tree, tree, bool);
extern void check_member_template (tree);
extern tree grokfield (tree, tree, tree, tree, tree);
extern tree grokbitfield (tree, tree, tree);
/* in expr.c */
extern rtx cxx_expand_expr (tree, rtx,
- enum machine_mode,
- int);
+ enum machine_mode,
+ int, rtx *);
extern tree cplus_expand_constant (tree);
/* friend.c */
extern tree lookup_template_class (tree, tree, tree, tree, int, tsubst_flags_t);
extern tree lookup_template_function (tree, tree);
extern int uses_template_parms (tree);
+extern int uses_template_parms_level (tree, int);
extern tree instantiate_class_template (tree);
extern tree instantiate_template (tree, tree, tsubst_flags_t);
extern int fn_type_unification (tree, tree, tree, tree, tree, unification_kind_t, int);
extern int comp_template_parms (tree, tree);
extern int template_class_depth (tree);
extern int is_specialization_of (tree, tree);
+extern bool is_specialization_of_friend (tree, tree);
extern int comp_template_args (tree, tree);
extern void maybe_process_partial_specialization (tree);
extern void maybe_check_template_type (tree);
extern tree current_scope (void);
extern int at_function_scope_p (void);
extern bool at_class_scope_p (void);
+extern bool at_namespace_scope_p (void);
extern tree context_for_name_lookup (tree);
extern tree lookup_conversions (tree);
extern tree binfo_for_vtable (tree);
extern tree finish_call_expr (tree, tree, bool, bool);
extern tree finish_increment_expr (tree, enum tree_code);
extern tree finish_this_expr (void);
-extern tree finish_object_call_expr (tree, tree, tree);
extern tree finish_pseudo_destructor_expr (tree, tree, tree);
extern tree finish_unary_op_expr (enum tree_code, tree);
extern tree finish_compound_literal (tree, tree);
extern int is_dummy_object (tree);
extern const struct attribute_spec cxx_attribute_table[];
extern tree make_ptrmem_cst (tree, tree);
+extern tree cp_build_type_attribute_variant (tree, tree);
extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t);
#define cp_build_qualified_type(TYPE, QUALS) \
cp_build_qualified_type_real ((TYPE), (QUALS), tf_error | tf_warning)
extern int cp_auto_var_in_fn_p (tree,tree);
extern tree cp_copy_res_decl_for_inlining (tree, tree, tree, void*,
int*, tree);
-extern int cp_start_inlining (tree);
-extern void cp_end_inlining (tree);
/* in typeck.c */
extern int string_conv_p (tree, tree, int);
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