/* Definitions for C++ parsing and type checking.
Copyright (C) 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com)
#include "hashtab.h"
#include "splay-tree.h"
#include "vec.h"
-#include "varray.h"
#include "c-common.h"
#include "name-lookup.h"
BASELINK_QUALIFIED_P (in BASELINK)
TARGET_EXPR_IMPLICIT_P (in TARGET_EXPR)
TEMPLATE_PARM_PARAMETER_PACK (in TEMPLATE_PARM_INDEX)
- TYPE_REF_IS_RVALUE (in REFERENCE_TYPE)
ATTR_IS_DEPENDENT (in the TREE_LIST for an attribute)
CONSTRUCTOR_IS_DIRECT_INIT (in CONSTRUCTOR)
LAMBDA_EXPR_CAPTURES_THIS_P (in LAMBDA_EXPR)
3: TYPE_FOR_JAVA.
4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
5: CLASS_TYPE_P (in RECORD_TYPE and UNION_TYPE)
- SCOPED_ENUM_P (in ENUMERAL_TYPE)
6: TYPE_DEPENDENT_P_VALID
Usage of DECL_LANG_FLAG_?:
CPTI_KEYED_CLASSES,
+ CPTI_NULLPTR,
+ CPTI_NULLPTR_TYPE,
+
CPTI_MAX
};
#define abort_fndecl cp_global_trees[CPTI_ABORT_FNDECL]
#define global_delete_fndecl cp_global_trees[CPTI_GLOBAL_DELETE_FNDECL]
#define current_aggr cp_global_trees[CPTI_AGGR_TAG]
+#define nullptr_node cp_global_trees[CPTI_NULLPTR]
+#define nullptr_type_node cp_global_trees[CPTI_NULLPTR_TYPE]
/* We cache these tree nodes so as to call get_identifier less
frequently. */
(TYPE_RAISES_EXCEPTIONS (NODE) \
&& TREE_VALUE (TYPE_RAISES_EXCEPTIONS (NODE)) == NULL_TREE)
+/* For FUNCTION_TYPE or METHOD_TYPE, true if NODE is noexcept. This is the
+ case for things declared noexcept(true) and, with -fnothrow-opt, for
+ throw() functions. */
+#define TYPE_NOEXCEPT_P(NODE) \
+ (flag_nothrow_opt && TYPE_NOTHROW_P(NODE))
+
/* The binding level associated with the namespace. */
#define NAMESPACE_LEVEL(NODE) \
(LANG_DECL_NS_CHECK (NODE)->level)
unsigned threadprivate_or_deleted_p : 1; /* var or fn */
unsigned anticipated_p : 1; /* fn or type */
unsigned friend_attr : 1; /* fn or type */
- unsigned template_conv_p : 1; /* template only? */
+ unsigned template_conv_p : 1; /* var or template */
unsigned odr_used : 1; /* var or fn */
unsigned u2sel : 1;
/* 1 spare bit */
#define DECL_TEMPLATE_CONV_FN_P(NODE) \
(DECL_LANG_SPECIFIC (TEMPLATE_DECL_CHECK (NODE))->u.base.template_conv_p)
+/* Nonzero if NODE, a static data member, was declared in its class as an
+ array of unknown bound. */
+#define VAR_HAD_UNKNOWN_BOUND(NODE) \
+ (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
+ ? DECL_LANG_SPECIFIC (NODE)->u.base.template_conv_p \
+ : false)
+#define SET_VAR_HAD_UNKNOWN_BOUND(NODE) \
+ (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.template_conv_p = true)
+
/* Set the overloaded operator code for NODE to CODE. */
#define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \
(LANG_DECL_FN_CHECK (NODE)->operator_code = (CODE))
|| TREE_CODE (TYPE) == REAL_TYPE \
|| TREE_CODE (TYPE) == COMPLEX_TYPE)
+/* True iff TYPE is cv decltype(nullptr). */
+#define NULLPTR_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == LANG_TYPE \
+ && TYPE_MAIN_VARIANT (TYPE) == nullptr_type_node)
+
/* [basic.types]
- Arithmetic types, enumeration types, pointer types, and
- pointer-to-member types, are collectively called scalar types.
+ Arithmetic types, enumeration types, pointer types,
+ pointer-to-member types, and std::nullptr_t are collectively called
+ scalar types.
Keep these checks in ascending code order. */
#define SCALAR_TYPE_P(TYPE) \
|| TREE_CODE (TYPE) == ENUMERAL_TYPE \
|| ARITHMETIC_TYPE_P (TYPE) \
|| TYPE_PTR_P (TYPE) \
- || TYPE_PTRMEMFUNC_P (TYPE))
+ || TYPE_PTRMEMFUNC_P (TYPE) \
+ || NULLPTR_TYPE_P (TYPE))
/* Determines whether this type is a C++0x scoped enumeration
type. Scoped enumerations types are introduced via "enum class" or
- The underlying type of the enum is well-defined. */
#define SCOPED_ENUM_P(TYPE) \
- (TREE_CODE (TYPE) == ENUMERAL_TYPE && TYPE_LANG_FLAG_5 (TYPE))
+ (TREE_CODE (TYPE) == ENUMERAL_TYPE && ENUM_IS_SCOPED (TYPE))
/* Determine whether this is an unscoped enumeration type. */
#define UNSCOPED_ENUM_P(TYPE) \
- (TREE_CODE (TYPE) == ENUMERAL_TYPE && !TYPE_LANG_FLAG_5 (TYPE))
+ (TREE_CODE (TYPE) == ENUMERAL_TYPE && !ENUM_IS_SCOPED (TYPE))
/* Set the flag indicating whether an ENUMERAL_TYPE is a C++0x scoped
enumeration type (1) or a normal (unscoped) enumeration type
(0). */
#define SET_SCOPED_ENUM_P(TYPE, VAL) \
- (TYPE_LANG_FLAG_5 (ENUMERAL_TYPE_CHECK (TYPE)) = (VAL))
+ (ENUM_IS_SCOPED (TYPE) = (VAL))
/* Returns the underlying type of the given enumeration type. The
underlying type is determined in different ways, depending on the
#define TYPE_REF_OBJ_P(NODE) \
(TREE_CODE (NODE) == REFERENCE_TYPE && TYPE_OBJ_P (TREE_TYPE (NODE)))
-/* True if reference type NODE is an rvalue reference */
-#define TYPE_REF_IS_RVALUE(NODE) \
- TREE_LANG_FLAG_0 (REFERENCE_TYPE_CHECK (NODE))
-
/* Returns true if NODE is a pointer to an object, or a pointer to
void. Keep these checks in ascending tree code order. */
#define TYPE_PTROBV_P(NODE) \
#define ANON_UNION_TYPE_P(NODE) \
(TREE_CODE (NODE) == UNION_TYPE && ANON_AGGR_TYPE_P (NODE))
-#define UNKNOWN_TYPE LANG_TYPE
-
/* Define fields and accessors for nodes representing declared names. */
#define TYPE_WAS_ANONYMOUS(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->was_anonymous)
have already generated a temporary, such as reference
initialization and the catch parameter. */
#define DIRECT_BIND (1 << 4)
-/* User-defined conversions are not permitted. (Built-in conversions
- are permitted.) */
+/* We're performing a user-defined conversion, so more user-defined
+ conversions are not permitted (only built-in conversions). */
#define LOOKUP_NO_CONVERSION (1 << 5)
/* The user has explicitly called a destructor. (Therefore, we do
not need to check that the object is non-NULL before calling the
#define LOOKUP_NO_COPY_CTOR_CONVERSION (LOOKUP_NO_NARROWING << 1)
/* This is the first parameter of a copy constructor. */
#define LOOKUP_COPY_PARM (LOOKUP_NO_COPY_CTOR_CONVERSION << 1)
+/* We only want to consider list constructors. */
+#define LOOKUP_LIST_ONLY (LOOKUP_COPY_PARM << 1)
#define LOOKUP_NAMESPACES_ONLY(F) \
(((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
extern tree build_vfield_ref (tree, tree);
extern tree build_base_path (enum tree_code, tree,
tree, int);
-extern tree convert_to_base (tree, tree, bool, bool);
+extern tree convert_to_base (tree, tree, bool, bool,
+ tsubst_flags_t);
extern tree convert_to_base_statically (tree, tree);
extern tree build_vtbl_ref (tree, tree);
extern tree build_vfn_ref (tree, tree);
extern bool add_method (tree, tree, tree);
extern bool currently_open_class (tree);
extern tree currently_open_derived_class (tree);
+extern tree current_nonlambda_class_type (void);
extern tree finish_struct (tree, tree);
extern void finish_struct_1 (tree);
extern int resolves_to_fixed_type_p (tree, int *);
extern void push_class_stack (void);
extern void pop_class_stack (void);
extern bool type_has_user_nondefault_constructor (tree);
+extern tree in_class_defaulted_default_constructor (tree);
extern bool user_provided_p (tree);
extern bool type_has_user_provided_constructor (tree);
extern bool type_has_user_provided_default_constructor (tree);
/* in expr.c */
extern tree cplus_expand_constant (tree);
+extern tree mark_rvalue_use (tree);
+extern tree mark_lvalue_use (tree);
+extern tree mark_type_use (tree);
+extern void mark_exp_read (tree);
/* friend.c */
extern int is_friend (tree, tree);
extern void initialize_vtbl_ptrs (tree);
extern tree build_java_class_ref (tree);
extern tree integral_constant_value (tree);
+extern int diagnose_uninitialized_cst_or_ref_member (tree, bool, bool);
/* in lex.c */
extern void cxx_dup_lang_specific_decl (tree);
extern tree add_default_capture (tree, tree, tree);
extern void register_capture_members (tree);
extern tree lambda_expr_this_capture (tree);
+extern tree nonlambda_method_basetype (void);
extern void maybe_add_lambda_conv_op (tree);
/* in tree.c */
extern tree hash_tree_chain (tree, tree);
extern tree build_qualified_name (tree, tree, tree, bool);
extern int is_overloaded_fn (tree);
+extern tree get_fns (tree);
extern tree get_first_fn (tree);
extern tree ovl_cons (tree, tree);
extern tree build_overload (tree, tree);
extern tree cp_build_indirect_ref (tree, ref_operator,
tsubst_flags_t);
extern tree build_array_ref (location_t, tree, tree);
+extern tree cp_build_array_ref (location_t, tree, tree,
+ tsubst_flags_t);
extern tree get_member_function_from_ptrfunc (tree *, tree);
extern tree cp_build_function_call (tree, tree, tsubst_flags_t);
extern tree cp_build_function_call_vec (tree, VEC(tree,gc) **,
composite_pointer_operation,
tsubst_flags_t);
extern tree merge_types (tree, tree);
+extern tree strip_array_domain (tree);
extern tree check_return_expr (tree, bool *);
extern tree cp_build_binary_op (location_t,
enum tree_code, tree, tree,
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