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)
+ DECLTYPE_FOR_LAMBDA_CAPTURE (in DECLTYPE_TYPE)
1: IDENTIFIER_VIRTUAL_P (in IDENTIFIER_NODE)
TI_PENDING_TEMPLATE_FLAG.
TEMPLATE_PARMS_FOR_INLINE.
TYPENAME_IS_CLASS_P (in TYPENAME_TYPE)
STMT_IS_FULL_EXPR_P (in _STMT)
TARGET_EXPR_LIST_INIT_P (in TARGET_EXPR)
+ LAMBDA_EXPR_MUTABLE_P (in LAMBDA_EXPR)
+ DECLTYPE_FOR_LAMBDA_RETURN (in DECLTYPE_TYPE)
2: IDENTIFIER_OPNAME_P (in IDENTIFIER_NODE)
ICS_THIS_FLAG (in _CONV)
DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL)
STATEMENT_LIST_TRY_BLOCK (in STATEMENT_LIST)
TYPENAME_IS_RESOLVING_P (in TYPE_NAME_TYPE)
+ LAMBDA_EXPR_DEDUCE_RETURN_TYPE_P (in LAMBDA_EXPR)
+ TARGET_EXPR_DIRECT_INIT_P (in TARGET_EXPR)
3: (TREE_REFERENCE_EXPR) (in NON_LVALUE_EXPR) (commented-out).
ICS_BAD_FLAG (in _CONV)
FN_TRY_BLOCK_P (in TRY_BLOCK)
Usage of TYPE_LANG_FLAG_?:
0: TYPE_DEPENDENT_P
1: TYPE_HAS_USER_CONSTRUCTOR.
- 2: Unused
+ 2: unused
3: TYPE_FOR_JAVA.
4: TYPE_HAS_NONTRIVIAL_DESTRUCTOR
5: CLASS_TYPE_P (in RECORD_TYPE and UNION_TYPE)
DECL_FIELD_IS_BASE (in FIELD_DECL)
7: DECL_DEAD_FOR_LOCAL (in VAR_DECL).
DECL_THUNK_P (in a member FUNCTION_DECL)
+ DECL_NORMAL_CAPTURE_P (in FIELD_DECL)
+ 8: DECL_DECLARED_CONSTEXPR_P (in VAR_DECL, FUNCTION_DECL)
Usage of language-independent fields in a language-dependent manner:
enum cp_trait_kind kind;
};
+/* Based off of TYPE_ANONYMOUS_P. */
+#define LAMBDA_TYPE_P(NODE) \
+ (CLASS_TYPE_P (NODE) && LAMBDANAME_P (TYPE_LINKAGE_IDENTIFIER (NODE)))
+
+/* Test if FUNCTION_DECL is a lambda function. */
+#define LAMBDA_FUNCTION_P(FNDECL) \
+ (DECL_OVERLOADED_OPERATOR_P (FNDECL) == CALL_EXPR \
+ && LAMBDA_TYPE_P (CP_DECL_CONTEXT (FNDECL)))
+
+enum cp_lambda_default_capture_mode_type {
+ CPLD_NONE,
+ CPLD_COPY,
+ CPLD_REFERENCE
+};
+
+/* The method of default capture, if any. */
+#define LAMBDA_EXPR_DEFAULT_CAPTURE_MODE(NODE) \
+ (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->default_capture_mode)
+
+/* The capture-list, including `this'. Each capture is stored as a FIELD_DECL
+ * so that the name, type, and field are all together, whether or not it has
+ * been added to the lambda's class type.
+ TREE_LIST:
+ TREE_PURPOSE: The FIELD_DECL for this capture.
+ TREE_VALUE: The initializer. This is part of a GNU extension. */
+#define LAMBDA_EXPR_CAPTURE_LIST(NODE) \
+ (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->capture_list)
+
+/* The node in the capture-list that holds the 'this' capture. */
+#define LAMBDA_EXPR_THIS_CAPTURE(NODE) \
+ (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->this_capture)
+
+/* Predicate tracking whether `this' is in the effective capture set. */
+#define LAMBDA_EXPR_CAPTURES_THIS_P(NODE) \
+ LAMBDA_EXPR_THIS_CAPTURE(NODE)
+
+/* Predicate tracking whether the lambda was declared 'mutable'. */
+#define LAMBDA_EXPR_MUTABLE_P(NODE) \
+ TREE_LANG_FLAG_1 (LAMBDA_EXPR_CHECK (NODE))
+
+/* True iff we should try to deduce the lambda return type from any return
+ statement. */
+#define LAMBDA_EXPR_DEDUCE_RETURN_TYPE_P(NODE) \
+ TREE_LANG_FLAG_2 (LAMBDA_EXPR_CHECK (NODE))
+
+/* The return type in the expression.
+ * NULL_TREE indicates that none was specified. */
+#define LAMBDA_EXPR_RETURN_TYPE(NODE) \
+ (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->return_type)
+
+/* The source location of the lambda. */
+#define LAMBDA_EXPR_LOCATION(NODE) \
+ (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->locus)
+
+/* The mangling scope for the lambda: FUNCTION_DECL, PARM_DECL, VAR_DECL,
+ FIELD_DECL or NULL_TREE. If this is NULL_TREE, we have no linkage. */
+#define LAMBDA_EXPR_EXTRA_SCOPE(NODE) \
+ (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->extra_scope)
+
+/* If EXTRA_SCOPE, this is the number of the lambda within that scope. */
+#define LAMBDA_EXPR_DISCRIMINATOR(NODE) \
+ (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->discriminator)
+
+struct GTY (()) tree_lambda_expr
+{
+ struct tree_common common;
+ location_t locus;
+ enum cp_lambda_default_capture_mode_type default_capture_mode;
+ tree capture_list;
+ tree this_capture;
+ tree return_type;
+ tree extra_scope;
+ int discriminator;
+};
+
enum cp_tree_node_structure_enum {
TS_CP_GENERIC,
TS_CP_IDENTIFIER,
TS_CP_STATIC_ASSERT,
TS_CP_ARGUMENT_PACK_SELECT,
TS_CP_TRAIT_EXPR,
+ TS_CP_LAMBDA_EXPR,
LAST_TS_CP_ENUM
};
argument_pack_select;
struct tree_trait_expr GTY ((tag ("TS_CP_TRAIT_EXPR")))
trait_expression;
+ struct tree_lambda_expr GTY ((tag ("TS_CP_LAMBDA_EXPR")))
+ lambda_expression;
};
\f
unsigned has_complex_dflt : 1;
unsigned has_list_ctor : 1;
unsigned non_std_layout : 1;
+ unsigned lazy_move_ctor : 1;
+ unsigned is_literal : 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
/* 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 : 9;
+ unsigned dummy : 7;
tree primary_base;
VEC(tree_pair_s,gc) *vcall_indices;
to resort it if pointers get rearranged. */
struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields")))
sorted_fields;
+ /* FIXME reuse another field? */
+ tree lambda_expr;
};
struct GTY(()) lang_type_ptrmem {
#define CLASSTYPE_LAZY_COPY_CTOR(NODE) \
(LANG_TYPE_CLASS_CHECK (NODE)->lazy_copy_ctor)
+/* Nonzero means that NODE (a class type) has a move constructor --
+ but that it has not yet been declared. */
+#define CLASSTYPE_LAZY_MOVE_CTOR(NODE) \
+ (LANG_TYPE_CLASS_CHECK (NODE)->lazy_move_ctor)
+
/* 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) \
#define CLASSTYPE_BEFRIENDING_CLASSES(NODE) \
(LANG_TYPE_CLASS_CHECK (NODE)->befriending_classes)
+/* The associated LAMBDA_EXPR that made this class. */
+#define CLASSTYPE_LAMBDA_EXPR(NODE) \
+ (LANG_TYPE_CLASS_CHECK (NODE)->lambda_expr)
+/* The extra mangling scope for this closure type. */
+#define LAMBDA_TYPE_EXTRA_SCOPE(NODE) \
+ (LAMBDA_EXPR_EXTRA_SCOPE (CLASSTYPE_LAMBDA_EXPR (NODE)))
+
/* Say whether this node was declared as a "class" or a "struct". */
#define CLASSTYPE_DECLARED_CLASS(NODE) \
(LANG_TYPE_CLASS_CHECK (NODE)->declared_class)
#define LANG_DECL_U2_CHECK(NODE, TF) __extension__ \
({ struct lang_decl *lt = DECL_LANG_SPECIFIC (NODE); \
- if (lt->u.base.u2sel != TF) \
+ if (!LANG_DECL_HAS_MIN (NODE) || lt->u.base.u2sel != TF) \
lang_check_failed (__FILE__, __LINE__, __FUNCTION__); \
<->u.min.u2; })
#define DECL_REPO_AVAILABLE_P(NODE) \
(DECL_LANG_SPECIFIC (NODE)->u.base.repo_available_p)
+/* True if DECL is declared 'constexpr'. */
+#define DECL_DECLARED_CONSTEXPR_P(DECL) \
+ DECL_LANG_FLAG_8 (VAR_OR_FUNCTION_DECL_CHECK (DECL))
+
/* Nonzero if this DECL is the __PRETTY_FUNCTION__ variable in a
template function. */
#define DECL_PRETTY_FUNCTION_P(NODE) \
(!DECL_TEMPLATE_PARM_P (NODE) \
&& TREE_CODE (CP_DECL_CONTEXT (NODE)) == NAMESPACE_DECL)
+#define TYPE_NAMESPACE_SCOPE_P(NODE) \
+ (TREE_CODE (CP_TYPE_CONTEXT (NODE)) == NAMESPACE_DECL)
+
/* 1 iff NODE is a class member. */
#define DECL_CLASS_SCOPE_P(NODE) \
(DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
(DECL_CONTEXT (NODE) \
&& TREE_CODE (DECL_CONTEXT (NODE)) == FUNCTION_DECL)
+#define TYPE_FUNCTION_SCOPE_P(NODE) \
+ (TYPE_CONTEXT (NODE) && TREE_CODE (TYPE_CONTEXT (NODE)) == FUNCTION_DECL)
+
/* 1 iff VAR_DECL node NODE is a type-info decl. This flag is set for
both the primary typeinfo object and the associated NTBS name. */
#define DECL_TINFO_P(NODE) TREE_LANG_FLAG_4 (VAR_DECL_CHECK (NODE))
for ((arg) = first_aggr_init_expr_arg ((call), &(iter)); (arg); \
(arg) = next_aggr_init_expr_arg (&(iter)))
+/* VEC_INIT_EXPR accessors. */
+#define VEC_INIT_EXPR_SLOT(NODE) TREE_OPERAND (NODE, 0)
+#define VEC_INIT_EXPR_INIT(NODE) TREE_OPERAND (NODE, 1)
+
/* The TYPE_MAIN_DECL for a class template type is a TYPE_DECL, not a
TEMPLATE_DECL. This macro determines whether or not a given class
type is really a template type, as opposed to an instantiation or
#define DECL_DELETED_FN(DECL) \
(DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.base.threadprivate_or_deleted_p)
-/* Nonzero if DECL was declared with '= default'. */
+/* Nonzero if DECL was declared with '= default' (maybe implicitly). */
#define DECL_DEFAULTED_FN(DECL) \
(LANG_DECL_FN_CHECK (DECL)->defaulted_p)
+/* Nonzero if DECL is explicitly defaulted in the class body. */
+#define DECL_DEFAULTED_IN_CLASS_P(DECL) \
+ (DECL_DEFAULTED_FN (DECL) && DECL_INITIALIZED_IN_CLASS_P (DECL))
+/* Nonzero if DECL was defaulted outside the class body. */
+#define DECL_DEFAULTED_OUTSIDE_CLASS_P(DECL) \
+ (DECL_DEFAULTED_FN (DECL) \
+ && !(DECL_ARTIFICIAL (DECL) || DECL_INITIALIZED_IN_CLASS_P (DECL)))
+
/* Record whether a typedef for type `int' was actually `signed int'. */
#define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
#define INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P(TYPE) \
(UNSCOPED_ENUM_P (TYPE) || CP_INTEGRAL_TYPE_P (TYPE))
+/* True if the class type TYPE is a literal type. */
+#define CLASSTYPE_LITERAL_P(TYPE) \
+ (LANG_TYPE_CLASS_CHECK (TYPE)->is_literal)
+
/* [basic.fundamental]
Integral and floating types are collectively called arithmetic
#define DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P(NODE) \
(DECLTYPE_TYPE_CHECK (NODE))->type.string_flag
+/* These flags indicate that we want different semantics from normal
+ decltype: lambda capture just drops references, lambda return also does
+ type decay. */
+#define DECLTYPE_FOR_LAMBDA_CAPTURE(NODE) \
+ TREE_LANG_FLAG_0 (DECLTYPE_TYPE_CHECK (NODE))
+#define DECLTYPE_FOR_LAMBDA_RETURN(NODE) \
+ TREE_LANG_FLAG_1 (DECLTYPE_TYPE_CHECK (NODE))
+
/* Nonzero for VAR_DECL and FUNCTION_DECL node means that `extern' was
specified in its declaration. This can also be set for an
erroneously declared PARM_DECL. */
#define DECL_FIELD_IS_BASE(NODE) \
DECL_LANG_FLAG_6 (FIELD_DECL_CHECK (NODE))
+/* Nonzero for FIELD_DECL node means that this field is a simple (no
+ explicit initializer) lambda capture field, making it invisible to
+ name lookup in unevaluated contexts. */
+#define DECL_NORMAL_CAPTURE_P(NODE) \
+ DECL_LANG_FLAG_7 (FIELD_DECL_CHECK (NODE))
+
/* Nonzero if TYPE is an anonymous union or struct type. We have to use a
flag for this because "A union for which objects or pointers are
declared is not an anonymous union" [class.union]. */
#define TARGET_EXPR_LIST_INIT_P(NODE) \
TREE_LANG_FLAG_1 (TARGET_EXPR_CHECK (NODE))
+/* True if this TARGET_EXPR expresses direct-initialization of an object
+ to be named later. */
+#define TARGET_EXPR_DIRECT_INIT_P(NODE) \
+ TREE_LANG_FLAG_2 (TARGET_EXPR_CHECK (NODE))
+
+/* True if EXPR expresses direct-initialization of a TYPE. */
+#define DIRECT_INIT_EXPR_P(TYPE,EXPR) \
+ (TREE_CODE (EXPR) == TARGET_EXPR && TREE_LANG_FLAG_2 (EXPR) \
+ && same_type_ignoring_top_level_qualifiers_p (TYPE, TREE_TYPE (EXPR)))
+
/* An enumeration of the kind of tags that C++ accepts. */
enum tag_types {
none_type = 0, /* Not a tag type. */
special_function_p. */
sfk_constructor, /* A constructor. */
sfk_copy_constructor, /* A copy constructor. */
+ sfk_move_constructor, /* A move constructor. */
sfk_assignment_operator, /* An assignment operator. */
sfk_destructor, /* A destructor. */
sfk_complete_destructor, /* A destructor for complete objects. */
#define VTABLE_DELTA_NAME "__delta"
#define VTABLE_PFN_NAME "__pfn"
+#define LAMBDANAME_PREFIX "__lambda"
+#define LAMBDANAME_FORMAT LAMBDANAME_PREFIX "%d"
+#define LAMBDANAME_P(ID_NODE) \
+ (!strncmp (IDENTIFIER_POINTER (ID_NODE), \
+ LAMBDANAME_PREFIX, \
+ sizeof (LAMBDANAME_PREFIX) - 1))
+
#if !defined(NO_DOLLAR_IN_LABEL) || !defined(NO_DOT_IN_LABEL)
#define VTABLE_NAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[1] == 'v' \
TREE_PURPOSE slot. */
extern GTY(()) tree static_aggregates;
-enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, OP_FLAG, TYPENAME_FLAG };
+enum overload_flags { NO_SPECIAL = 0, DTOR_FLAG, TYPENAME_FLAG };
/* These are uses as bits in flags passed to various functions to
control their behavior. Despite the LOOKUP_ prefix, many of these
ds_explicit,
ds_friend,
ds_typedef,
+ ds_constexpr,
ds_complex,
ds_thread,
ds_last
BOOL_BITFIELD conflicting_specifiers_p : 1;
/* True iff at least one decl-specifier was found. */
BOOL_BITFIELD any_specifiers_p : 1;
+ /* True iff at least one type-specifier was found. */
+ BOOL_BITFIELD any_type_specifiers_p : 1;
/* True iff "int" was explicitly provided. */
BOOL_BITFIELD explicit_int_p : 1;
/* True iff "char" was explicitly provided. */
extern tree convert_for_arg_passing (tree, tree);
extern bool is_properly_derived_from (tree, tree);
extern tree set_up_extended_ref_temp (tree, tree, tree *, tree *);
-extern tree initialize_reference (tree, tree, tree, tree *);
+extern tree initialize_reference (tree, tree, tree, tree *, tsubst_flags_t);
extern tree make_temporary_var_for_ref_to_temp (tree, tree);
extern tree strip_top_quals (tree);
extern bool reference_related_p (tree, tree);
extern void push_class_stack (void);
extern void pop_class_stack (void);
extern bool type_has_user_nondefault_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 defaultable_fn_p (tree);
+extern void defaulted_late_check (tree);
+extern bool defaultable_fn_check (tree);
extern void fixup_type_variants (tree);
extern tree* decl_cloned_function_p (const_tree, bool);
extern void clone_function_decl (tree, int);
extern tree perform_qualification_conversions (tree, tree);
/* in name-lookup.c */
-extern tree get_anonymous_namespace_name (void);
extern tree pushdecl (tree);
extern tree pushdecl_maybe_friend (tree, bool);
extern void maybe_push_cleanup_level (tree);
extern void finish_scope (void);
extern void push_switch (tree);
extern void pop_switch (void);
+extern tree make_lambda_name (void);
extern int decls_match (tree, tree);
extern tree duplicate_decls (tree, tree, bool);
extern tree declare_local_label (tree);
extern void finish_function_body (tree);
extern tree outer_curly_brace_block (tree);
extern tree finish_function (int);
-extern tree start_method (cp_decl_specifier_seq *, const cp_declarator *, tree);
-extern tree finish_method (tree);
+extern tree grokmethod (cp_decl_specifier_seq *, const cp_declarator *, tree);
extern void maybe_register_incomplete_var (tree);
extern void maybe_commonize_var (tree);
extern void complete_vars (tree);
extern tree build_memfn_type (tree, tree, cp_cv_quals);
extern void maybe_retrofit_in_chrg (tree);
extern void maybe_make_one_only (tree);
+extern bool vague_linkage_fn_p (tree);
extern void grokclassfn (tree, tree,
enum overload_flags);
extern tree grok_array_decl (tree, tree);
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);
/* in expr.c */
extern tree cplus_expand_constant (tree);
extern int comp_template_parms (const_tree, const_tree);
extern bool uses_parameter_packs (tree);
extern bool template_parameter_pack_p (const_tree);
+extern bool function_parameter_pack_p (const_tree);
+extern bool function_parameter_expanded_from_pack_p (tree, tree);
extern tree make_pack_expansion (tree);
extern bool check_for_bare_parameter_packs (tree);
extern tree get_template_info (const_tree);
extern int template_class_depth (tree);
extern int is_specialization_of (tree, tree);
extern bool is_specialization_of_friend (tree, tree);
+extern tree get_pattern_parm (tree, tree);
extern int comp_template_args (tree, tree);
extern tree maybe_process_partial_specialization (tree);
extern tree most_specialized_instantiation (tree);
extern tree get_primary_template_innermost_parameters (const_tree);
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 resolve_nondeduced_context (tree);
/* in repo.c */
extern void init_repo (void);
extern void finish_handler_parms (tree, tree);
extern void finish_handler (tree);
extern void finish_cleanup (tree, tree);
+extern bool literal_type_p (tree);
+extern tree validate_constexpr_fundecl (tree);
+extern tree ensure_literal_type_for_constexpr_object (tree);
enum {
BCS_NO_SCOPE = 1,
extern tree begin_compound_stmt (unsigned int);
extern void finish_compound_stmt (tree);
-extern tree finish_asm_stmt (int, tree, tree, tree, tree);
+extern tree finish_asm_stmt (int, tree, tree, tree, tree,
+ tree);
extern tree finish_label_stmt (tree);
extern void finish_label_decl (tree);
extern tree finish_parenthesized_expr (tree);
extern tree describable_type (tree);
extern tree finish_decltype_type (tree, bool);
extern tree finish_trait_expr (enum cp_trait_kind, tree, tree);
+extern tree build_lambda_expr (void);
+extern tree build_lambda_object (tree);
+extern tree begin_lambda_type (tree);
+extern tree lambda_capture_field_type (tree);
+extern tree lambda_return_type (tree);
+extern tree lambda_function (tree);
+extern void apply_lambda_return_type (tree, tree);
+extern tree add_capture (tree, tree, tree, bool, bool);
+extern tree add_default_capture (tree, tree, tree);
+extern tree lambda_expr_this_capture (tree);
+extern void maybe_add_lambda_conv_op (tree);
/* in tree.c */
void cp_free_lang_data (tree t);
extern tree get_target_expr (tree);
extern tree build_cplus_array_type (tree, tree);
extern tree build_array_of_n_type (tree, int);
+extern tree build_array_copy (tree);
extern tree hash_tree_cons (tree, tree, tree);
extern tree hash_tree_chain (tree, tree);
extern tree build_qualified_name (tree, tree, tree, bool);
extern tree make_ptrmem_cst (tree, tree);
extern tree cp_build_type_attribute_variant (tree, tree);
extern tree cp_build_reference_type (tree, bool);
+extern tree move (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_warning_or_error)
+extern tree cv_unqualified (tree);
extern special_function_kind special_function_p (const_tree);
extern int count_trees (tree);
extern int char_type_p (tree);
/* in mangle.c */
extern void init_mangle (void);
extern void mangle_decl (tree);
-extern const char *mangle_type_string_for_rtti (tree);
+extern const char *mangle_type_string (tree);
extern tree mangle_typeinfo_for_type (tree);
extern tree mangle_typeinfo_string_for_type (tree);
extern tree mangle_vtbl_for_type (tree);
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