/* 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 "ggc.h"
#include "function.h"
#include "hashtab.h"
-#include "splay-tree.h"
#include "vec.h"
-#include "varray.h"
-#include "c-common.h"
-#include "name-lookup.h"
/* In order for the format checking to accept the C++ front end
diagnostic framework extensions, you must include this file before
- toplev.h, not after. We override the definition of GCC_DIAG_STYLE
+ diagnostic-core.h, not after. We override the definition of GCC_DIAG_STYLE
in c-common.h. */
#undef GCC_DIAG_STYLE
#define GCC_DIAG_STYLE __gcc_cxxdiag__
-#if GCC_VERSION >= 4001
-#define ATTRIBUTE_GCC_CXXDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
-#else
-#define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m)
-#endif
-#ifdef GCC_TOPLEV_H
+#if defined(GCC_DIAGNOSTIC_CORE_H) || defined (GCC_C_COMMON_H)
#error \
In order for the format checking to accept the C++ front end diagnostic \
-framework extensions, you must include this file before toplev.h, not after.
+framework extensions, you must include this file before diagnostic-core.h and \
+c-common.h, not after.
#endif
-#include "toplev.h"
+#include "c-family/c-common.h"
#include "diagnostic.h"
+#include "name-lookup.h"
+
/* Usage of TREE_LANG_FLAG_?:
0: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
NEW_EXPR_USE_GLOBAL (in NEW_EXPR).
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_?:
The BV_FN is the declaration for the virtual function itself.
+ If BV_LOST_PRIMARY is set, it means that this entry is for a lost
+ primary virtual base and can be left null in the vtable.
+
BINFO_VTABLE
This is an expression with POINTER_TYPE that gives the value
to which the vptr should be initialized. Use get_vtbl_decl_for_binfo
struct GTY(()) ptrmem_cst {
struct tree_common common;
- /* This isn't used, but the middle-end expects all constants to have
- this field. */
- rtx rtl;
tree member;
};
typedef struct ptrmem_cst * ptrmem_cst_t;
#define same_type_p(TYPE1, TYPE2) \
comptypes ((TYPE1), (TYPE2), COMPARE_STRICT)
-/* Returns nonzero iff TYPE1 and TYPE2 are the same type, ignoring
- top-level qualifiers. */
-#define same_type_ignoring_top_level_qualifiers_p(TYPE1, TYPE2) \
- same_type_p (TYPE_MAIN_VARIANT (TYPE1), TYPE_MAIN_VARIANT (TYPE2))
-
/* Nonzero if we are presently building a statement tree, rather
than expanding each statement as we encounter it. */
#define building_stmt_tree() (cur_stmt_list != NULL_TREE)
REK_DECREMENT
} readonly_error_kind;
+/* Possible cases of expression list used by build_x_compound_expr_from_list. */
+typedef enum expr_list_kind {
+ ELK_INIT, /* initializer */
+ ELK_MEM_INIT, /* member initializer */
+ ELK_FUNC_CAST /* functional cast */
+} expr_list_kind;
+
+/* Possible cases of implicit bad rhs conversions. */
+typedef enum impl_conv_rhs {
+ ICR_DEFAULT_ARGUMENT, /* default argument */
+ ICR_CONVERTING, /* converting */
+ ICR_INIT, /* initialization */
+ ICR_ARGPASS, /* argument passing */
+ ICR_RETURN, /* return */
+ ICR_ASSIGN /* assignment */
+} impl_conv_rhs;
+
+/* Possible cases of implicit or explicit bad conversions to void. */
+typedef enum impl_conv_void {
+ ICV_CAST, /* (explicit) conversion to void */
+ ICV_SECOND_OF_COND, /* second operand of conditional expression */
+ ICV_THIRD_OF_COND, /* third operand of conditional expression */
+ ICV_RIGHT_OF_COMMA, /* right operand of comma operator */
+ ICV_LEFT_OF_COMMA, /* left operand of comma operator */
+ ICV_STATEMENT, /* statement */
+ ICV_THIRD_IN_FOR /* for increment expression */
+} impl_conv_void;
+
/* Macros for access to language-specific slots in an identifier. */
#define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
CPTI_LANG_NAME_JAVA,
CPTI_EMPTY_EXCEPT_SPEC,
+ CPTI_NOEXCEPT_TRUE_SPEC,
+ CPTI_NOEXCEPT_FALSE_SPEC,
CPTI_JCLASS,
CPTI_TERMINATE,
CPTI_CALL_UNEXPECTED,
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. */
/* Exception specifier used for throw(). */
#define empty_except_spec cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
+#define noexcept_true_spec cp_global_trees[CPTI_NOEXCEPT_TRUE_SPEC]
+#define noexcept_false_spec cp_global_trees[CPTI_NOEXCEPT_FALSE_SPEC]
/* If non-NULL, a POINTER_TYPE equivalent to (java::lang::Class*). */
#define jclass_node cp_global_trees[CPTI_JCLASS]
struct GTY(()) saved_scope {
VEC(cxx_saved_binding,gc) *old_bindings;
tree old_namespace;
- tree decl_ns_list;
+ VEC(tree,gc) *decl_ns_list;
tree class_name;
tree class_type;
tree access_specifier;
BOOL_BITFIELD is_lang_type_class : 1;
BOOL_BITFIELD has_type_conversion : 1;
- BOOL_BITFIELD has_init_ref : 1;
+ BOOL_BITFIELD has_copy_ctor : 1;
BOOL_BITFIELD has_default_ctor : 1;
BOOL_BITFIELD const_needs_init : 1;
BOOL_BITFIELD ref_needs_init : 1;
- BOOL_BITFIELD has_const_assign_ref : 1;
+ BOOL_BITFIELD has_const_copy_assign : 1;
BOOL_BITFIELD spare : 1;
};
unsigned non_pod_class : 1;
unsigned nearly_empty_p : 1;
unsigned user_align : 1;
- unsigned has_assign_ref : 1;
+ unsigned has_copy_assign : 1;
unsigned has_new : 1;
unsigned has_array_new : 1;
unsigned was_anonymous : 1;
unsigned lazy_default_ctor : 1;
unsigned lazy_copy_ctor : 1;
- unsigned lazy_assignment_op : 1;
+ unsigned lazy_copy_assign : 1;
unsigned lazy_destructor : 1;
- unsigned has_const_init_ref : 1;
- unsigned has_complex_init_ref : 1;
- unsigned has_complex_assign_ref : 1;
+ unsigned has_const_copy_ctor : 1;
+ unsigned has_complex_copy_ctor : 1;
+ unsigned has_complex_copy_assign : 1;
unsigned non_aggregate : 1;
unsigned has_complex_dflt : 1;
unsigned has_list_ctor : 1;
unsigned non_std_layout : 1;
- unsigned lazy_move_ctor : 1;
unsigned is_literal : 1;
+ unsigned lazy_move_ctor : 1;
+ unsigned lazy_move_assign : 1;
+ unsigned has_complex_move_ctor : 1;
+ unsigned has_complex_move_assign : 1;
+
/* When adding a flag here, consider whether or not it ought to
apply to a template instance if it applies to the template. If
so, make sure to copy it in instantiate_class_template! */
/* There are some bits left to fill out a 32-bit word. Keep track
of this by updating the size of this bitfield whenever you add or
remove a flag. */
- unsigned dummy : 7;
+ unsigned dummy : 4;
tree primary_base;
VEC(tree_pair_s,gc) *vcall_indices;
tree record;
};
-struct GTY(()) lang_type {
+struct GTY((variable_size)) lang_type {
union lang_type_u
{
struct lang_type_header GTY((skip (""))) h;
/* Nonzero means that NODE (a class type) has an assignment operator
-- but that it has not yet been declared. */
-#define CLASSTYPE_LAZY_ASSIGNMENT_OP(NODE) \
- (LANG_TYPE_CLASS_CHECK (NODE)->lazy_assignment_op)
+#define CLASSTYPE_LAZY_COPY_ASSIGN(NODE) \
+ (LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_assign)
+
+/* Nonzero means that NODE (a class type) has an assignment operator
+ -- but that it has not yet been declared. */
+#define CLASSTYPE_LAZY_MOVE_ASSIGN(NODE) \
+ (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_assign)
/* Nonzero means that NODE (a class type) has a destructor -- but that
it has not yet been declared. */
(LANG_TYPE_CLASS_CHECK (NODE)->lazy_destructor)
/* Nonzero means that this _CLASSTYPE node overloads operator=(X&). */
-#define TYPE_HAS_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_assign_ref)
+#define TYPE_HAS_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_copy_assign)
/* True iff the class type NODE has an "operator =" whose parameter
has a parameter of type "const X&". */
-#define TYPE_HAS_CONST_ASSIGN_REF(NODE) \
- (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_assign_ref)
+#define TYPE_HAS_CONST_COPY_ASSIGN(NODE) \
+ (LANG_TYPE_CLASS_CHECK (NODE)->h.has_const_copy_assign)
/* Nonzero means that this _CLASSTYPE node has an X(X&) constructor. */
-#define TYPE_HAS_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_init_ref)
-#define TYPE_HAS_CONST_INIT_REF(NODE) \
- (LANG_TYPE_CLASS_CHECK (NODE)->has_const_init_ref)
+#define TYPE_HAS_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->h.has_copy_ctor)
+#define TYPE_HAS_CONST_COPY_CTOR(NODE) \
+ (LANG_TYPE_CLASS_CHECK (NODE)->has_const_copy_ctor)
/* Nonzero if this class has an X(initializer_list<T>) constructor. */
#define TYPE_HAS_LIST_CTOR(NODE) \
starting the definition of this type has been seen. */
#define TYPE_BEING_DEFINED(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->being_defined)
+/* Nonzero means that this type is either complete or being defined, so we
+ can do lookup in it. */
+#define COMPLETE_OR_OPEN_TYPE_P(NODE) \
+ (COMPLETE_TYPE_P (NODE) || (CLASS_TYPE_P (NODE) && TYPE_BEING_DEFINED (NODE)))
+
/* Mark bits for repeated base checks. */
#define TYPE_MARKED_P(NODE) TREE_LANG_FLAG_6 (TYPE_CHECK (NODE))
/* The function to call. */
#define BV_FN(NODE) (TREE_VALUE (NODE))
+/* Whether or not this entry is for a lost primary virtual base. */
+#define BV_LOST_PRIMARY(NODE) (TREE_LANG_FLAG_0 (NODE))
\f
/* For FUNCTION_TYPE or METHOD_TYPE, a list of the exceptions that
this type can raise. Each TREE_VALUE is a _TYPE. The TREE_VALUE
will be NULL_TREE to indicate a throw specification of `()', or
- no exceptions allowed. */
+ no exceptions allowed. For a noexcept specification, TREE_VALUE
+ is NULL_TREE and TREE_PURPOSE is the constant-expression. */
#define TYPE_RAISES_EXCEPTIONS(NODE) TYPE_LANG_SLOT_1 (NODE)
-/* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'. */
-#define TYPE_NOTHROW_P(NODE) \
- (TYPE_RAISES_EXCEPTIONS (NODE) \
- && TREE_VALUE (TYPE_RAISES_EXCEPTIONS (NODE)) == NULL_TREE)
+/* For FUNCTION_TYPE or METHOD_TYPE, return 1 iff it is declared `throw()'
+ or noexcept(true). */
+#define TYPE_NOTHROW_P(NODE) nothrow_spec_p (TYPE_RAISES_EXCEPTIONS (NODE))
+
+/* 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) type_noexcept_p (NODE)
/* The binding level associated with the namespace. */
#define NAMESPACE_LEVEL(NODE) \
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 */
union rather than a struct containing a union as its only field, but
tree.h declares it as a struct. */
-struct GTY(()) lang_decl {
+struct GTY((variable_size)) lang_decl {
union GTY((desc ("%h.base.selector"))) lang_decl_u {
struct lang_decl_base GTY ((default)) base;
struct lang_decl_min GTY((tag ("0"))) min;
if (TREE_CODE (FN) == FUNCTION_DECL \
&& (DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (FN) \
|| DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (FN))) \
- for (CLONE = TREE_CHAIN (FN); \
+ for (CLONE = DECL_CHAIN (FN); \
CLONE && DECL_CLONED_FUNCTION_P (CLONE); \
- CLONE = TREE_CHAIN (CLONE))
+ CLONE = DECL_CHAIN (CLONE))
/* Nonzero if NODE has DECL_DISCRIMINATOR and not DECL_ACCESS. */
#define DECL_DISCRIMINATOR_P(NODE) \
#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_NON_AGGREGATE_CLASS(NODE) \
(CLASS_TYPE_P (NODE) && CLASSTYPE_NON_AGGREGATE (NODE))
-/* Nonzero if there is a user-defined X::op=(x&) for this class. */
-#define TYPE_HAS_COMPLEX_ASSIGN_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_assign_ref)
+/* Nonzero if there is a non-trivial X::op=(cv X&) for this class. */
+#define TYPE_HAS_COMPLEX_COPY_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_assign)
-/* Nonzero if there is a user-defined X::X(x&) for this class. */
-#define TYPE_HAS_COMPLEX_INIT_REF(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_init_ref)
+/* Nonzero if there is a non-trivial X::X(cv X&) for this class. */
+#define TYPE_HAS_COMPLEX_COPY_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_copy_ctor)
-/* Nonzero if there is a user-defined default constructor for this class. */
+/* Nonzero if there is a non-trivial X::op=(X&&) for this class. */
+#define TYPE_HAS_COMPLEX_MOVE_ASSIGN(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_assign)
+
+/* Nonzero if there is a non-trivial X::X(X&&) for this class. */
+#define TYPE_HAS_COMPLEX_MOVE_CTOR(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_move_ctor)
+
+/* Nonzero if there is a non-trivial default constructor for this class. */
#define TYPE_HAS_COMPLEX_DFLT(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->has_complex_dflt)
/* Nonzero if TYPE has a trivial destructor. From [class.dtor]:
/* Nonzero for class type means that copy initialization of this type can use
a bitwise copy. */
-#define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \
- (TYPE_HAS_INIT_REF (NODE) && ! TYPE_HAS_COMPLEX_INIT_REF (NODE))
+#define TYPE_HAS_TRIVIAL_COPY_CTOR(NODE) \
+ (TYPE_HAS_COPY_CTOR (NODE) && ! TYPE_HAS_COMPLEX_COPY_CTOR (NODE))
/* Nonzero for class type means that assignment of this type can use
a bitwise copy. */
-#define TYPE_HAS_TRIVIAL_ASSIGN_REF(NODE) \
- (TYPE_HAS_ASSIGN_REF (NODE) && ! TYPE_HAS_COMPLEX_ASSIGN_REF (NODE))
+#define TYPE_HAS_TRIVIAL_COPY_ASSIGN(NODE) \
+ (TYPE_HAS_COPY_ASSIGN (NODE) && ! TYPE_HAS_COMPLEX_COPY_ASSIGN (NODE))
/* Returns true if NODE is a pointer-to-data-member. */
#define TYPE_PTRMEM_P(NODE) \
#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) \
do { \
if (TYPE_LANG_SPECIFIC (NODE) == NULL) \
{ \
- TYPE_LANG_SPECIFIC (NODE) = GGC_CNEWVAR \
- (struct lang_type, sizeof (struct lang_type_ptrmem)); \
+ TYPE_LANG_SPECIFIC (NODE) = ggc_alloc_cleared_lang_type \
+ (sizeof (struct lang_type_ptrmem)); \
TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.h.is_lang_type_class = 0; \
} \
TYPE_LANG_SPECIFIC (NODE)->u.ptrmem.record = (VALUE); \
#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)
sfk_constructor, /* A constructor. */
sfk_copy_constructor, /* A copy constructor. */
sfk_move_constructor, /* A move constructor. */
- sfk_assignment_operator, /* An assignment operator. */
+ sfk_copy_assignment, /* A copy assignment operator. */
+ sfk_move_assignment, /* A move assignment operator. */
sfk_destructor, /* A destructor. */
sfk_complete_destructor, /* A destructor for complete objects. */
sfk_base_destructor, /* A destructor for base subobjects. */
/* For building calls to `delete'. */
extern GTY(()) tree integer_two_node;
-extern GTY(()) tree integer_three_node;
/* The number of function bodies which we are currently processing.
(Zero if we are at namespace scope, one inside the body of a
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
/* We're inside an init-list, so narrowing conversions are ill-formed. */
#define LOOKUP_NO_NARROWING (LOOKUP_PREFER_RVALUE << 1)
/* Avoid user-defined conversions for the first parameter of a copy
- constructor. */
+ constructor (or move constructor). */
#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)
+/* Return after determining which function to call and checking access.
+ Used by sythesized_method_walk to determine which functions will
+ be called to initialize subobjects, in order to determine exception
+ specification and possible implicit delete.
+ This is kind of a hack, but since access control doesn't respect SFINAE
+ we can't just use tf_none to avoid access control errors, we need
+ another mechanism. Exiting early also avoids problems with trying
+ to perform argument conversions when the class isn't complete yet. */
+#define LOOKUP_SPECULATIVE (LOOKUP_LIST_ONLY << 1)
#define LOOKUP_NAMESPACES_ONLY(F) \
(((F) & LOOKUP_PREFER_NAMESPACES) && !((F) & LOOKUP_PREFER_TYPES))
(TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
#define TEMPLATE_TYPE_PARAMETER_PACK(NODE) \
(TEMPLATE_PARM_PARAMETER_PACK (TEMPLATE_TYPE_PARM_INDEX (NODE)))
+/* The list of template parms that a given template parameter of type
+ TEMPLATE_TYPE_PARM belongs to.*/
+#define TEMPLATE_TYPE_PARM_SIBLING_PARMS(NODE) \
+ (TREE_CHECK ((NODE), TEMPLATE_TYPE_PARM))->type.maxval
/* These constants can used as bit flags in the process of tree formatting.
typedef struct cp_decl_specifier_seq {
/* The number of times each of the keywords has been seen. */
unsigned specs[(int) ds_last];
+ /* The location of the primary type. Mainly used for error
+ reporting. */
+ location_t type_location;
/* The primary type, if any, given by the decl-specifier-seq.
Modifiers, like "short", "const", and "unsigned" are not
reflected here. This field will be a TYPE, unless a typedef-name
was used, in which case it will be a TYPE_DECL. */
tree type;
- /* The location of the primary type. Mainly used for error
- reporting. */
- location_t type_location;
/* The attributes, if any, provided with the specifier sequence. */
tree attributes;
/* If non-NULL, a built-in type that the user attempted to redefine
BOOL_BITFIELD any_type_specifiers_p : 1;
/* True iff "int" was explicitly provided. */
BOOL_BITFIELD explicit_int_p : 1;
+ /* True iff "__int128" was explicitly provided. */
+ BOOL_BITFIELD explicit_int128_p : 1;
/* True iff "char" was explicitly provided. */
BOOL_BITFIELD explicit_char_p : 1;
} cp_decl_specifier_seq;
/* Whether we parsed an ellipsis (`...') just before the declarator,
to indicate this is a parameter pack. */
BOOL_BITFIELD parameter_pack_p : 1;
+ location_t id_loc; /* Currently only set for cdk_id and cdk_function. */
/* Attributes that apply to this declarator. */
tree attributes;
/* For all but cdk_id and cdk_error, the contained declarator. For
cdk_id and cdk_error, guaranteed to be NULL. */
cp_declarator *declarator;
- location_t id_loc; /* Currently only set for cdk_id and cdk_function. */
union {
/* For identifiers. */
struct {
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);
+extern bool type_has_virtual_destructor (tree);
+extern bool type_has_move_constructor (tree);
+extern bool type_has_move_assign (tree);
extern void defaulted_late_check (tree);
extern bool defaultable_fn_check (tree);
extern void fixup_type_variants (tree);
extern tree cp_convert (tree, tree);
extern tree cp_convert_and_check (tree, tree);
extern tree cp_fold_convert (tree, tree);
-extern tree convert_to_void (tree, const char */*implicit context*/,
- tsubst_flags_t);
+extern tree convert_to_void (tree, impl_conv_void,
+ tsubst_flags_t);
extern tree convert_force (tree, tree, int);
extern tree build_expr_type_conversion (int, tree, bool);
extern tree type_promotes_to (tree);
extern tree check_for_out_of_scope_variable (tree);
extern void print_other_binding_stack (struct cp_binding_level *);
extern tree maybe_push_decl (tree);
+extern tree current_decl_namespace (void);
/* decl.c */
extern tree poplevel (int, int, int);
extern void warn_extern_redeclared_static (tree, tree);
extern tree cxx_comdat_group (tree);
extern bool cp_missing_noreturn_ok_p (tree);
-extern void initialize_artificial_var (tree, tree);
+extern void initialize_artificial_var (tree, VEC(constructor_elt,gc) *);
extern tree check_var_type (tree, tree);
extern tree reshape_init (tree, tree);
+extern tree next_initializable_field (tree);
extern bool defer_mark_used_calls;
extern GTY(()) VEC(tree, gc) *deferred_mark_used_calls;
extern tree change_return_type (tree, tree);
extern void maybe_retrofit_in_chrg (tree);
extern void maybe_make_one_only (tree);
-extern bool vague_linkage_fn_p (tree);
+extern bool vague_linkage_p (tree);
extern void grokclassfn (tree, tree,
enum overload_flags);
extern tree grok_array_decl (tree, tree);
extern void print_instantiation_context (void);
extern void maybe_warn_variadic_templates (void);
extern void maybe_warn_cpp0x (cpp0x_warn_str str);
-extern bool pedwarn_cxx98 (location_t, int, const char *, ...) ATTRIBUTE_GCC_CXXDIAG(3,4);
+extern bool pedwarn_cxx98 (location_t, int, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4);
/* in except.c */
extern void init_exception_processing (void);
extern tree build_throw (tree);
extern int nothrow_libfn_p (const_tree);
extern void check_handlers (tree);
+extern tree finish_noexcept_expr (tree, tsubst_flags_t);
+extern void perform_deferred_noexcept_checks (void);
+extern bool nothrow_spec_p (const_tree);
+extern bool type_noexcept_p (const_tree);
+extern bool type_throw_all_p (const_tree);
+extern tree build_noexcept_spec (tree, int);
extern void choose_personality_routine (enum languages);
extern tree eh_type_info (tree);
extern tree begin_eh_spec_block (void);
extern void finish_eh_spec_block (tree, tree);
extern tree build_eh_type_type (tree);
+extern tree cp_protect_cleanup_actions (void);
/* 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 int is_class_type (tree, int);
extern tree get_type_value (tree);
extern tree build_zero_init (tree, tree, bool);
-extern tree build_value_init (tree);
-extern tree build_value_init_noctor (tree);
+extern tree build_value_init (tree, tsubst_flags_t);
+extern tree build_value_init_noctor (tree, tsubst_flags_t);
extern tree build_offset_ref (tree, tree, bool);
extern tree build_new (VEC(tree,gc) **, tree, tree,
VEC(tree,gc) **, int,
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 make_thunk (tree, bool, tree, tree);
extern void finish_thunk (tree);
extern void use_thunk (tree, bool);
+extern bool trivial_fn_p (tree);
+extern bool maybe_explain_implicit_delete (tree);
extern void synthesize_method (tree);
extern tree lazily_declare_fn (special_function_kind,
tree);
extern tree skip_artificial_parms_for (const_tree, tree);
extern int num_artificial_parms_for (const_tree);
extern tree make_alias_for (tree, tree);
-extern tree locate_copy (tree, void *);
-extern tree locate_ctor (tree, void *);
-extern tree locate_dtor (tree, void *);
+extern tree get_copy_ctor (tree);
+extern tree get_copy_assign (tree);
+extern tree get_default_ctor (tree);
+extern tree get_dtor (tree);
+extern tree locate_ctor (tree);
/* In optimize.c */
extern bool maybe_clone_body (tree);
extern struct tinst_level *outermost_tinst_level(void);
extern bool parameter_of_template_p (tree, tree);
extern void init_template_processing (void);
+extern void print_template_statistics (void);
bool template_template_parameter_p (const_tree);
extern bool primary_template_instantiation_p (const_tree);
extern tree get_primary_template_innermost_parameters (const_tree);
+extern tree get_template_parms_at_level (tree, int);
extern tree get_template_innermost_arguments (const_tree);
extern tree get_template_argument_pack_elems (const_tree);
extern tree get_function_template_decl (const_tree);
extern tree lookup_field_1 (tree, tree, bool);
extern tree lookup_field (tree, tree, int, bool);
extern int lookup_fnfields_1 (tree, tree);
+extern tree lookup_fnfields_slot (tree, tree);
extern int class_method_index_for_fn (tree, tree);
extern tree lookup_fnfields (tree, tree, int);
extern tree lookup_member (tree, tree, int, bool);
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 bool layout_pod_type_p (const_tree);
extern bool std_layout_type_p (const_tree);
extern bool trivial_type_p (const_tree);
+extern bool trivially_copyable_p (const_tree);
extern bool type_has_nontrivial_default_init (const_tree);
extern bool type_has_nontrivial_copy_init (const_tree);
extern bool class_tmpl_impl_spec_p (const_tree);
extern int zero_init_p (const_tree);
extern tree strip_typedefs (tree);
-extern bool typedef_variant_p (tree);
extern void cp_set_underlying_type (tree);
extern tree copy_binfo (tree, tree, tree,
tree *, int);
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 require_complete_type (tree);
extern tree complete_type (tree);
extern tree complete_type_or_else (tree, tree);
+extern tree complete_type_or_maybe_complain (tree, tree, tsubst_flags_t);
extern int type_unknown_p (const_tree);
-extern bool comp_except_specs (const_tree, const_tree, bool);
+enum { ce_derived, ce_normal, ce_exact };
+extern bool comp_except_specs (const_tree, const_tree, int);
extern bool comptypes (tree, tree, int);
+extern bool same_type_ignoring_top_level_qualifiers_p (tree, tree);
extern bool compparms (const_tree, const_tree);
extern int comp_cv_qualification (const_tree, const_tree);
extern int comp_cv_qual_signature (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_nary (tree, tsubst_flags_t, ...)
+ ATTRIBUTE_SENTINEL;
extern tree cp_build_function_call_vec (tree, VEC(tree,gc) **,
tsubst_flags_t);
extern tree build_x_binary_op (enum tree_code, tree,
extern tree unary_complex_lvalue (enum tree_code, tree);
extern tree build_x_conditional_expr (tree, tree, tree,
tsubst_flags_t);
-extern tree build_x_compound_expr_from_list (tree, const char *);
+extern tree build_x_compound_expr_from_list (tree, expr_list_kind,
+ tsubst_flags_t);
extern tree build_x_compound_expr_from_vec (VEC(tree,gc) *, const char *);
extern tree build_x_compound_expr (tree, tree, tsubst_flags_t);
extern tree build_compound_expr (location_t, tree, tree);
extern tree cp_build_modify_expr (tree, enum tree_code, tree,
tsubst_flags_t);
extern tree convert_for_initialization (tree, tree, tree, int,
- const char *, tree, int,
+ impl_conv_rhs, tree, int,
tsubst_flags_t);
extern int comp_ptr_ttypes (tree, tree);
extern bool comp_ptr_ttypes_const (tree, tree);
extern bool error_type_p (const_tree);
extern int ptr_reasonably_similar (const_tree, const_tree);
-extern tree build_ptrmemfunc (tree, tree, int, bool);
+extern tree build_ptrmemfunc (tree, tree, int, bool,
+ tsubst_flags_t);
extern int cp_type_quals (const_tree);
-extern bool cp_type_readonly (const_tree);
+extern int type_memfn_quals (const_tree);
+extern tree apply_memfn_quals (tree, cp_cv_quals);
extern bool cp_has_mutable_p (const_tree);
extern bool at_least_as_qualified_p (const_tree, const_tree);
extern void cp_apply_type_quals_to_decl (int, tree);
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,
extern tree lookup_anon_field (tree, tree);
extern bool invalid_nonstatic_memfn_p (const_tree, tsubst_flags_t);
extern tree convert_member_func_to_ptr (tree, tree);
-extern tree convert_ptrmem (tree, tree, bool, bool);
+extern tree convert_ptrmem (tree, tree, bool, bool,
+ tsubst_flags_t);
extern int lvalue_or_else (tree, enum lvalue_use,
tsubst_flags_t);
extern void check_template_keyword (tree);