diff options
Diffstat (limited to 'gcc/cp/cp-tree.h')
| -rw-r--r-- | gcc/cp/cp-tree.h | 338 |
1 files changed, 248 insertions, 90 deletions
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index 927f51b..180c0ca 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -25,7 +25,6 @@ along with GCC; see the file COPYING3. If not see #include "hard-reg-set.h" #include "function.h" #include "tristate.h" -#include "contracts.h" /* In order for the format checking to accept the C++ front end diagnostic framework extensions, you must include this file before @@ -452,6 +451,9 @@ extern GTY(()) tree cp_global_trees[CPTI_MAX]; contract_semantic (in ASSERTION_, PRECONDITION_, POSTCONDITION_STMT) RETURN_EXPR_LOCAL_ADDR_P (in RETURN_EXPR) PACK_INDEX_PARENTHESIZED_P (in PACK_INDEX_*) + MUST_NOT_THROW_NOEXCEPT_P (in MUST_NOT_THROW_EXPR) + CONSTEVAL_BLOCK_P (in STATIC_ASSERT) + LAMBDA_EXPR_CONSTEVAL_BLOCK_P (in LAMBDA_EXPR) 1: IDENTIFIER_KIND_BIT_1 (in IDENTIFIER_NODE) TI_PENDING_TEMPLATE_FLAG. TEMPLATE_PARMS_FOR_INLINE. @@ -472,6 +474,8 @@ extern GTY(()) tree cp_global_trees[CPTI_MAX]; BIND_EXPR_VEC_DTOR (in BIND_EXPR) ATOMIC_CONSTR_EXPR_FROM_CONCEPT_P (in ATOMIC_CONSTR) STATIC_INIT_DECOMP_BASE_P (in the TREE_LIST for {static,tls}_aggregates) + MUST_NOT_THROW_THROW_P (in MUST_NOT_THROW_EXPR) + LAMBDA_EXPR_CONST_QUAL_P (in LAMBDA_EXPR) 2: IDENTIFIER_KIND_BIT_2 (in IDENTIFIER_NODE) ICS_THIS_FLAG (in _CONV) DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (in VAR_DECL) @@ -493,6 +497,7 @@ extern GTY(()) tree cp_global_trees[CPTI_MAX]; contract_semantic (in ASSERTION_, PRECONDITION_, POSTCONDITION_STMT) STATIC_INIT_DECOMP_NONBASE_P (in the TREE_LIST for {static,tls}_aggregates) + MUST_NOT_THROW_CATCH_P (in MUST_NOT_THROW_EXPR) 3: IMPLICIT_RVALUE_P (in NON_LVALUE_EXPR or STATIC_CAST_EXPR) ICS_BAD_FLAG (in _CONV) FN_TRY_BLOCK_P (in TRY_BLOCK) @@ -505,7 +510,9 @@ extern GTY(()) tree cp_global_trees[CPTI_MAX]; PACK_EXPANSION_FORCE_EXTRA_ARGS_P (in *_PACK_EXPANSION) LAMBDA_EXPR_STATIC_P (in LAMBDA_EXPR) TARGET_EXPR_ELIDING_P (in TARGET_EXPR) + IF_STMT_VACUOUS_INIT_P (IF_STMT) contract_semantic (in ASSERTION_, PRECONDITION_, POSTCONDITION_STMT) + TYPENAME_IS_UNION_P (in TYPENAME_TYPE) 4: IDENTIFIER_MARKED (IDENTIFIER_NODEs) TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR, CALL_EXPR, or FIELD_DECL). @@ -1429,6 +1436,10 @@ struct GTY (()) tree_deferred_noexcept { #define STATIC_ASSERT_SOURCE_LOCATION(NODE) \ (((struct tree_static_assert *)STATIC_ASSERT_CHECK (NODE))->location) +/* True if this static assert represents a C++26 consteval block. */ +#define CONSTEVAL_BLOCK_P(NODE) \ + TREE_LANG_FLAG_0 (STATIC_ASSERT_CHECK (NODE)) + struct GTY (()) tree_static_assert { struct tree_base base; tree condition; @@ -1543,6 +1554,17 @@ enum cp_lambda_default_capture_mode_type { #define LAMBDA_EXPR_THIS_CAPTURE(NODE) \ (((struct tree_lambda_expr *)LAMBDA_EXPR_CHECK (NODE))->this_capture) +/* True iff this lambda was created for a consteval block. */ +#define LAMBDA_EXPR_CONSTEVAL_BLOCK_P(NODE) \ + TREE_LANG_FLAG_0 (LAMBDA_EXPR_CHECK (NODE)) + +/* True if we should add "const" when figuring out the type of an entity + in a lambda. This is false in the parameter-declaration-clause of + a lambda; after that, it will remain false if the mutable keyword is + present. */ +#define LAMBDA_EXPR_CONST_QUAL_P(NODE) \ + TREE_LANG_FLAG_1 (LAMBDA_EXPR_CHECK (NODE)) + /* True iff uses of a const variable capture were optimized away. */ #define LAMBDA_EXPR_CAPTURE_OPTIMIZED(NODE) \ TREE_LANG_FLAG_2 (LAMBDA_EXPR_CHECK (NODE)) @@ -1835,7 +1857,8 @@ struct GTY(()) tree_tu_local_entity { location_t loc; }; -/* The name of a translation-unit-local entity. */ +/* The human-readable name of a translation-unit-local entity as + an IDENTIFIER_NODE. */ #define TU_LOCAL_ENTITY_NAME(NODE) \ (((struct tree_tu_local_entity *)TU_LOCAL_ENTITY_CHECK (NODE))->name) @@ -1923,6 +1946,11 @@ struct GTY(()) cp_omp_begin_assumes_data { bool attr_syntax; }; +struct GTY(()) cp_omp_declare_variant_attr { + bool attr_syntax; + tree selector; +}; + /* Global state. */ struct GTY(()) saved_scope { @@ -1959,6 +1987,8 @@ struct GTY(()) saved_scope { of consteval if statement. Also set while processing an immediate invocation. */ BOOL_BITFIELD consteval_if_p : 1; + /* Nonzero if we are parsing the substatement of expansion-statement. */ + BOOL_BITFIELD expansion_stmt : 1; int unevaluated_operand; int inhibit_evaluation_warnings; @@ -1973,6 +2003,7 @@ struct GTY(()) saved_scope { hash_map<tree, tree> *GTY((skip)) x_local_specializations; vec<cp_omp_declare_target_attr, va_gc> *omp_declare_target_attribute; vec<cp_omp_begin_assumes_data, va_gc> *omp_begin_assumes; + vec<cp_omp_declare_variant_attr, va_gc> *omp_declare_variant_attribute; struct saved_scope *prev; }; @@ -2032,6 +2063,7 @@ extern GTY(()) struct saved_scope *scope_chain; #define in_discarded_stmt scope_chain->discarded_stmt #define in_consteval_if_p scope_chain->consteval_if_p +#define in_expansion_stmt scope_chain->expansion_stmt #define current_ref_temp_count scope_chain->ref_temp_count @@ -2206,6 +2238,8 @@ struct GTY(()) language_function { BOOL_BITFIELD invalid_constexpr : 1; BOOL_BITFIELD throwing_cleanup : 1; + /* True if we gave any errors in this function. */ + BOOL_BITFIELD erroneous : 1; hash_table<named_label_hash> *x_named_labels; @@ -2314,7 +2348,8 @@ enum languages { lang_c, lang_cplusplus }; /* Nonzero if NODE, a TYPE, has no name for linkage purposes. */ #define TYPE_UNNAMED_P(NODE) \ (TYPE_ANON_P (NODE) \ - && !IDENTIFIER_LAMBDA_P (TYPE_LINKAGE_IDENTIFIER (NODE))) + && !IDENTIFIER_LAMBDA_P (TYPE_LINKAGE_IDENTIFIER (NODE)) \ + && !enum_with_enumerator_for_linkage_p (NODE)) /* The _DECL for this _TYPE. */ #define TYPE_MAIN_DECL(NODE) (TYPE_STUB_DECL (TYPE_MAIN_VARIANT (NODE))) @@ -2352,6 +2387,10 @@ enum languages { lang_c, lang_cplusplus }; #define NON_UNION_CLASS_TYPE_P(T) \ (TREE_CODE (T) == RECORD_TYPE && TYPE_LANG_FLAG_5 (T)) +/* Nonzero if T is a class type and is a union. */ +#define UNION_TYPE_P(T) \ + (TREE_CODE (T) == UNION_TYPE && TYPE_LANG_FLAG_5 (T)) + /* Keep these checks in ascending code order. */ #define RECORD_OR_UNION_CODE_P(T) \ ((T) == RECORD_TYPE || (T) == UNION_TYPE) @@ -2489,15 +2528,18 @@ struct GTY(()) lang_type { unsigned unique_obj_representations_set : 1; bool erroneous : 1; bool non_pod_aggregate : 1; + bool non_aggregate_pod : 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! */ + so, make sure to copy it in instantiate_class_template! + + Also make sure new flags here are streamed in module.cc. */ /* 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 : 3; + unsigned dummy : 2; tree primary_base; vec<tree_pair_s, va_gc> *vcall_indices; @@ -2508,15 +2550,19 @@ struct GTY(()) lang_type { vec<tree, va_gc> *pure_virtuals; tree friend_classes; vec<tree, va_gc> * GTY((reorder ("resort_type_member_vec"))) members; + /* CLASSTYPE_KEY_METHOD for TYPE_POLYMORPHIC_P types, CLASSTYPE_LAMBDA_EXPR + otherwise. */ tree key_method; tree decl_list; tree befriending_classes; - /* In a RECORD_TYPE, information specific to Objective-C++, such - as a list of adopted protocols or a pointer to a corresponding - @interface. See objc/objc-act.h for details. */ - tree objc_info; - /* FIXME reuse another field? */ - tree lambda_expr; + union maybe_objc_info { + /* If not c_dialect_objc, this part is not even allocated. */ + char GTY((tag ("0"))) non_objc; + /* In a RECORD_TYPE, information specific to Objective-C, such + as a list of adopted protocols or a pointer to a corresponding + @interface. See objc/objc-act.h for details. */ + tree GTY((tag ("1"))) objc_info; + } GTY ((desc ("c_dialect_objc ()"))) info; }; /* We used to have a variant type for lang_type. Keep the name of the @@ -2631,7 +2677,13 @@ struct GTY(()) lang_type { /* The member function with which the vtable will be emitted: the first noninline non-pure-virtual member function. NULL_TREE if there is no key function or if this is a class template */ -#define CLASSTYPE_KEY_METHOD(NODE) (LANG_TYPE_CLASS_CHECK (NODE)->key_method) +#define CLASSTYPE_KEY_METHOD(NODE) \ + (TYPE_POLYMORPHIC_P (NODE) \ + ? LANG_TYPE_CLASS_CHECK (NODE)->key_method \ + : NULL_TREE) +#define SET_CLASSTYPE_KEY_METHOD(NODE, VALUE) \ + (gcc_checking_assert (TYPE_POLYMORPHIC_P (NODE)), \ + LANG_TYPE_CLASS_CHECK (NODE)->key_method = (VALUE)) /* Vector of members. During definition, it is unordered and only member functions are present. After completion it is sorted and @@ -2763,7 +2815,12 @@ struct GTY(()) lang_type { /* The associated LAMBDA_EXPR that made this class. */ #define CLASSTYPE_LAMBDA_EXPR(NODE) \ - (LANG_TYPE_CLASS_CHECK (NODE)->lambda_expr) + (TYPE_POLYMORPHIC_P (NODE) \ + ? NULL_TREE \ + : LANG_TYPE_CLASS_CHECK (NODE)->key_method) +#define SET_CLASSTYPE_LAMBDA_EXPR(NODE, VALUE) \ + (gcc_checking_assert (!TYPE_POLYMORPHIC_P (NODE)), \ + LANG_TYPE_CLASS_CHECK (NODE)->key_method = (VALUE)) /* The extra mangling scope for this closure type. */ #define LAMBDA_TYPE_EXTRA_SCOPE(NODE) \ (LAMBDA_EXPR_EXTRA_SCOPE (CLASSTYPE_LAMBDA_EXPR (NODE))) @@ -2824,6 +2881,11 @@ struct GTY(()) lang_type { with a hash_set only filled in when abi_version_crosses (17). */ #define CLASSTYPE_NON_POD_AGGREGATE(NODE) \ (LANG_TYPE_CLASS_CHECK (NODE)->non_pod_aggregate) + +/* True if this class is layout-POD though it's not an aggregate in C++20 and + above (c++/120012). This could also be a hash_set. */ +#define CLASSTYPE_NON_AGGREGATE_POD(NODE) \ + (LANG_TYPE_CLASS_CHECK (NODE)->non_aggregate_pod) /* Additional macros for inheritance information. */ @@ -2967,7 +3029,10 @@ struct GTY(()) lang_decl_base { unsigned module_keyed_decls_p : 1; /* has keys, applies to all decls */ - /* 11 spare bits. */ + /* VAR_DECL being used to represent an OpenMP declared mapper. */ + unsigned omp_declare_mapper_p : 1; + + /* 10 spare bits. */ }; /* True for DECL codes which have template info and access. */ @@ -2996,6 +3061,8 @@ struct GTY(()) lang_decl_min { In a lambda-capture proxy VAR_DECL, this is DECL_CAPTURED_VARIABLE. In a function-scope TREE_STATIC VAR_DECL or IMPLICIT_TYPEDEF_P TYPE_DECL, this is DECL_DISCRIMINATOR. + In constexpr exception artificial VAR_DECL, this is + DECL_EXCEPTION_REFCOUNT. In a DECL_LOCAL_DECL_P decl, this is the namespace decl it aliases. Otherwise, in a class-scope DECL, this is DECL_ACCESS. */ tree access; @@ -4450,6 +4517,23 @@ get_vec_init_expr (tree t) #define MUST_NOT_THROW_COND(NODE) \ TREE_OPERAND (MUST_NOT_THROW_EXPR_CHECK (NODE), 1) +/* Reasons why MUST_NOT_THROW_EXPR has been created. */ + +/* Indicates MUST_NOT_THROW_EXPR has been created to wrap body of + a noexcept function. */ +#define MUST_NOT_THROW_NOEXCEPT_P(NODE) \ + TREE_LANG_FLAG_0 (MUST_NOT_THROW_EXPR_CHECK (NODE)) + +/* Indicates MUST_NOT_THROW_EXPR has been created to wrap construction of + exception object during throw. */ +#define MUST_NOT_THROW_THROW_P(NODE) \ + TREE_LANG_FLAG_1 (MUST_NOT_THROW_EXPR_CHECK (NODE)) + +/* Indicates MUST_NOT_THROW_EXPR has been created to wrap construction of + handler parameter during catch. */ +#define MUST_NOT_THROW_CATCH_P(NODE) \ + TREE_LANG_FLAG_2 (MUST_NOT_THROW_EXPR_CHECK (NODE)) + /* 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 @@ -4470,11 +4554,14 @@ get_vec_init_expr (tree t) #define TYPENAME_IS_ENUM_P(NODE) \ (TREE_LANG_FLAG_0 (TYPENAME_TYPE_CHECK (NODE))) -/* True if a TYPENAME_TYPE was declared as a "class", "struct", or - "union". */ +/* True if a TYPENAME_TYPE was declared as a "class" or "struct". */ #define TYPENAME_IS_CLASS_P(NODE) \ (TREE_LANG_FLAG_1 (TYPENAME_TYPE_CHECK (NODE))) +/* True if a TYPENAME_TYPE was declared as a "union". */ +#define TYPENAME_IS_UNION_P(NODE) \ + (TREE_LANG_FLAG_3 (TYPENAME_TYPE_CHECK (NODE))) + /* True if a TYPENAME_TYPE is in the process of being resolved. */ #define TYPENAME_IS_RESOLVING_P(NODE) \ (TREE_LANG_FLAG_2 (TYPENAME_TYPE_CHECK (NODE))) @@ -4489,7 +4576,7 @@ get_vec_init_expr (tree t) #define TYPE_CONTAINS_VPTR_P(NODE) \ (TYPE_POLYMORPHIC_P (NODE) || CLASSTYPE_VBASECLASSES (NODE)) -/* Nonzero if NODE is a FUNCTION_DECL or VARIABLE_DECL (for a decl +/* Nonzero if NODE is a FUNCTION_DECL or VAR_DECL (for a decl with namespace scope) declared in a local scope. */ #define DECL_LOCAL_DECL_P(NODE) \ DECL_LANG_FLAG_0 (VAR_OR_FUNCTION_DECL_CHECK (NODE)) @@ -4522,6 +4609,11 @@ get_vec_init_expr (tree t) #define DECL_OMP_DECLARE_REDUCTION_P(NODE) \ (LANG_DECL_FN_CHECK (DECL_COMMON_CHECK (NODE))->omp_declare_reduction_p) +/* Nonzero if NODE is an artificial FUNCTION_DECL for + #pragma omp declare mapper. */ +#define DECL_OMP_DECLARE_MAPPER_P(NODE) \ + (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.omp_declare_mapper_p) + /* Nonzero if DECL has been declared threadprivate by #pragma omp threadprivate. */ #define CP_DECL_THREADPRIVATE_P(DECL) \ @@ -5125,6 +5217,10 @@ get_vec_init_expr (tree t) protected_access_node will appear in the DECL_ACCESS for the node. */ #define DECL_ACCESS(NODE) (LANG_DECL_MIN_CHECK (NODE)->access) +/* In artificial VAR_DECL created by cxa_allocate_exception + this is reference count. */ +#define DECL_EXCEPTION_REFCOUNT(NODE) (LANG_DECL_MIN_CHECK (NODE)->access) + /* Nonzero if the FUNCTION_DECL is a global constructor. */ #define DECL_GLOBAL_CTOR_P(NODE) \ (LANG_DECL_FN_CHECK (NODE)->global_ctor_p) @@ -5514,6 +5610,10 @@ decl_template_parm_check (const_tree t, const char *f, int l, const char *fn) #define DECL_RAMP_FN(NODE) \ (coro_get_ramp_function (NODE)) +/* For a FUNCTION_DECL this is true if it is a coroutine ramp. */ +#define DECL_RAMP_P(NODE) \ + DECL_COROUTINE_P (NODE) && !DECL_RAMP_FN (NODE) + /* True for an OMP_ATOMIC that has dependent parameters. These are stored as an expr in operand 1, and integer_zero_node or clauses in operand 0. */ #define OMP_ATOMIC_DEPENDENT_P(NODE) \ @@ -5566,6 +5666,9 @@ decl_template_parm_check (const_tree t, const char *f, int l, const char *fn) #define IF_SCOPE(NODE) TREE_OPERAND (IF_STMT_CHECK (NODE), 3) #define IF_STMT_CONSTEXPR_P(NODE) TREE_LANG_FLAG_0 (IF_STMT_CHECK (NODE)) #define IF_STMT_CONSTEVAL_P(NODE) TREE_LANG_FLAG_2 (IF_STMT_CHECK (NODE)) +/* True on artificial if (0) around .DEFERRED_INIT calls added for + !!flag_auto_var_init. */ +#define IF_STMT_VACUOUS_INIT_P(NODE) TREE_LANG_FLAG_3 (IF_STMT_CHECK (NODE)) /* Like PACK_EXPANSION_EXTRA_ARGS, for constexpr if. IF_SCOPE is used while building an IF_STMT; IF_STMT_EXTRA_ARGS is used after it is complete. */ @@ -5582,6 +5685,19 @@ decl_template_parm_check (const_tree t, const char *f, int l, const char *fn) #define RANGE_FOR_IVDEP(NODE) TREE_LANG_FLAG_6 (RANGE_FOR_STMT_CHECK (NODE)) #define RANGE_FOR_NOVECTOR(NODE) TREE_LANG_FLAG_5 (RANGE_FOR_STMT_CHECK (NODE)) +/* TEMPLATE_FOR_STMT accessors. These give access to the declarator, + expression, body, and scope of the statement, respectively. */ +#define TEMPLATE_FOR_DECL(NODE) \ + TREE_OPERAND (TEMPLATE_FOR_STMT_CHECK (NODE), 0) +#define TEMPLATE_FOR_EXPR(NODE) \ + TREE_OPERAND (TEMPLATE_FOR_STMT_CHECK (NODE), 1) +#define TEMPLATE_FOR_BODY(NODE) \ + TREE_OPERAND (TEMPLATE_FOR_STMT_CHECK (NODE), 2) +#define TEMPLATE_FOR_SCOPE(NODE) \ + TREE_OPERAND (TEMPLATE_FOR_STMT_CHECK (NODE), 3) +#define TEMPLATE_FOR_INIT_STMT(NODE) \ + TREE_OPERAND (TEMPLATE_FOR_STMT_CHECK (NODE), 4) + /* STMT_EXPR accessor. */ #define STMT_EXPR_STMT(NODE) TREE_OPERAND (STMT_EXPR_CHECK (NODE), 0) @@ -6691,9 +6807,11 @@ struct GTY((chain_next ("%h.next"))) tinst_level { /* The original node. TLDCL can be a DECL (for a function or static data member), a TYPE (for a class), depending on what we were - asked to instantiate, or a TREE_LIST with the template as PURPOSE - and the template args as VALUE, if we are substituting for - overload resolution. In all these cases, TARGS is NULL. + asked to instantiate, a TEMPLATE_FOR_STMT (for instantiation + of expansion stmt body outside of templates) or a TREE_LIST with + the template as PURPOSE and the template args as VALUE, if we are + substituting for overload resolution. In all these cases, TARGS + is NULL. However, to avoid creating TREE_LIST objects for substitutions if we can help, we store PURPOSE and VALUE in TLDCL and TARGS, respectively. So TLDCL stands for TREE_LIST or DECL (the @@ -6753,8 +6871,14 @@ struct GTY((chain_next ("%h.next"))) tinst_level { /* The location where the template is instantiated. */ location_t locus; - /* errorcount + sorrycount when we pushed this level. */ - unsigned short errors; + /* errorcount + sorrycount when we pushed this level. If the value + overflows, it will always seem like we currently have more errors, so we + will limit template recursion even from non-erroneous templates. In a TU + with over 32k errors, that's fine. */ + unsigned short errors : 15; + + /* set in pop_tinst_level if there have been errors since we pushed. */ + bool had_errors : 1; /* Count references to this object. If refcount reaches refcount_infinity value, we don't increment or decrement the @@ -6775,6 +6899,7 @@ enum cp_built_in_function { CP_BUILT_IN_IS_CORRESPONDING_MEMBER, CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS, CP_BUILT_IN_SOURCE_LOCATION, + CP_BUILT_IN_EH_PTR_ADJUST_REF, CP_BUILT_IN_LAST }; @@ -6808,6 +6933,7 @@ extern int class_dump_id; extern int module_dump_id; extern int raw_dump_id; extern int coro_dump_id; +extern int tinst_dump_id; /* Whether the current context is manifestly constant-evaluated. Used by the constexpr machinery to control folding of @@ -6954,6 +7080,7 @@ extern bool type_has_extended_temps (tree); extern tree strip_top_quals (tree); extern bool reference_related_p (tree, tree); extern bool reference_compatible_p (tree, tree); +extern bool handler_match_for_exception_type (tree, tree); extern int remaining_arguments (tree); extern tree build_implicit_conv_flags (tree, tree, int); extern tree perform_implicit_conversion (tree, tree, tsubst_flags_t); @@ -7042,6 +7169,7 @@ 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_non_user_provided_default_constructor (tree); +extern bool type_has_converting_constructor (tree); extern bool vbase_has_user_provided_move_assign (tree); extern tree default_init_uninitialized_part (tree); extern bool trivial_default_constructor_is_constexpr (tree); @@ -7058,7 +7186,6 @@ extern bool type_build_ctor_call (tree); extern bool type_build_dtor_call (tree); extern void explain_non_literal_class (tree); extern void inherit_targ_abi_tags (tree); -extern void maybe_delete_defaulted_fn (tree, tree); extern void defaulted_late_check (tree, tristate = tristate::unknown ()); extern bool defaultable_fn_check (tree); extern void check_abi_tags (tree); @@ -7072,6 +7199,7 @@ extern void adjust_clone_args (tree); extern void deduce_noexcept_on_destructor (tree); extern bool uniquely_derived_from_p (tree, tree); extern bool publicly_uniquely_derived_p (tree, tree); +extern bool publicly_virtually_derived_p (tree, tree); extern tree common_enclosing_class (tree, tree); /* in cvt.cc */ @@ -7122,7 +7250,7 @@ extern void determine_local_discriminator (tree, tree = NULL_TREE); extern bool member_like_constrained_friend_p (tree); extern bool fns_correspond (tree, tree); extern int decls_match (tree, tree, bool = true); -extern bool maybe_version_functions (tree, tree, bool); +extern bool maybe_version_functions (tree, tree); extern bool validate_constexpr_redeclaration (tree, tree); extern bool merge_default_template_args (tree, tree, bool); extern tree duplicate_decls (tree, tree, @@ -7131,7 +7259,7 @@ extern tree duplicate_decls (tree, tree, extern void mark_label_addressed (tree); extern tree declare_local_label (tree); extern tree define_label (location_t, tree); -extern void check_goto (tree); +extern void check_goto (tree *); extern bool check_omp_return (void); extern tree make_typename_type (tree, tree, enum tag_types, tsubst_flags_t); extern tree build_typename_type (tree, tree, tree, tag_types); @@ -7156,6 +7284,7 @@ extern void omp_declare_variant_finalize (tree, tree); struct cp_decomp { tree decl; unsigned int count; }; extern void cp_finish_decl (tree, tree, bool, tree, int, cp_decomp * = nullptr); extern tree lookup_decomp_type (tree); +HOST_WIDE_INT cp_decomp_size (location_t, tree, tsubst_flags_t); extern bool cp_finish_decomp (tree, cp_decomp *, bool = false); extern int cp_complete_array_type (tree *, tree, bool); extern int cp_complete_array_type_or_error (tree *, tree, bool, tsubst_flags_t); @@ -7176,6 +7305,7 @@ extern tree xref_tag (tag_types, tree, bool tpl_header_p = false); extern void xref_basetypes (tree, tree); extern tree start_enum (tree, tree, tree, tree, bool, bool *); +extern bool enum_with_enumerator_for_linkage_p (tree); extern void finish_enum_value_list (tree); extern void finish_enum (tree); extern tree build_enumerator (tree, tree, tree, tree, location_t); @@ -7231,6 +7361,7 @@ extern tree build_explicit_specifier (tree, tsubst_flags_t); extern bool use_eh_spec_block (tree); extern void do_push_parm_decls (tree, tree, tree *); extern tree do_aggregate_paren_init (tree, tree); +extern void maybe_mark_function_versioned (tree); /* in decl2.cc */ extern void record_mangling (tree, bool); @@ -7307,6 +7438,29 @@ extern void cp_check_const_attributes (tree); extern void maybe_propagate_warmth_attributes (tree, tree); /* in error.cc */ +/* A class for pretty-printing to -flang-dump-XXX files. Used like + + if (cxx_dump_pretty_printer pp {foo_dump_id}) + { + pp_printf (&pp, ...); + } + + If the dump is enabled, the pretty printer will open the dump file and + attach to it, and flush and close the file on destruction. */ + +class cxx_dump_pretty_printer: public pretty_printer +{ + int phase; + FILE *outf; + dump_flags_t flags; + +public: + cxx_dump_pretty_printer (int phase); + operator bool() { return outf != nullptr; } + bool has_flag (dump_flags_t f) { return (flags & f); } + ~cxx_dump_pretty_printer (); +}; + extern const char *type_as_string (tree, int); extern const char *type_as_string_translate (tree, int); extern const char *decl_as_string (tree, int); @@ -7322,7 +7476,7 @@ extern void maybe_warn_variadic_templates (void); extern void maybe_warn_cpp0x (cpp0x_warn_str str, location_t = input_location); extern bool pedwarn_cxx98 (location_t, - diagnostic_option_id option_id, + diagnostics::option_id option_id, const char *, ...) ATTRIBUTE_GCC_DIAG(3,4); extern location_t location_of (tree); extern void qualified_name_lookup_error (tree, tree, tree, @@ -7348,6 +7502,7 @@ extern int nothrow_libfn_p (const_tree); extern void check_handlers (tree); extern tree finish_noexcept_expr (tree, tsubst_flags_t); extern bool expr_noexcept_p (tree, tsubst_flags_t); +extern void explain_not_noexcept (tree); extern void perform_deferred_noexcept_checks (void); extern bool nothrow_spec_p (const_tree); extern bool type_noexcept_p (const_tree); @@ -7381,6 +7536,7 @@ extern tree mark_lvalue_use_nonread (tree); extern tree mark_type_use (tree); extern tree mark_discarded_use (tree); extern void mark_exp_read (tree); +extern tree wrap_with_if_consteval (tree); /* friend.cc */ extern int is_friend (tree, tree); @@ -7469,11 +7625,14 @@ extern void finish_thunk (tree); extern void use_thunk (tree, bool); extern bool trivial_fn_p (tree); extern tree forward_parm (tree); -extern bool is_trivially_xible (enum tree_code, tree, tree); -extern bool is_nothrow_xible (enum tree_code, tree, tree); -extern bool is_xible (enum tree_code, tree, tree); -extern bool is_convertible (tree, tree); -extern bool is_nothrow_convertible (tree, tree); +extern bool is_trivially_xible (enum tree_code, tree, tree, + bool = false); +extern bool is_nothrow_xible (enum tree_code, tree, tree, + bool = false); +extern bool is_xible (enum tree_code, tree, tree, + bool = false); +extern bool is_convertible (tree, tree, bool = false); +extern bool is_nothrow_convertible (tree, tree, bool = false); extern bool ref_xes_from_temporary (tree, tree, bool); extern tree get_defaulted_eh_spec (tree, tsubst_flags_t = tf_warning_or_error); extern bool maybe_explain_implicit_delete (tree); @@ -7502,6 +7661,20 @@ extern bool ctor_omit_inherited_parms (tree); extern tree locate_ctor (tree); extern tree implicitly_declare_fn (special_function_kind, tree, bool, tree, tree); +extern tree type_order_value (tree, tree); + +/* True iff DECL represents a declaration of a friend template + specialization, e.g. friend void f<>(). */ + +inline bool +decl_specialization_friend_p (tree decl) +{ + return (TREE_CODE (decl) == FUNCTION_DECL + && DECL_UNIQUE_FRIEND_P (decl) + && DECL_IMPLICIT_INSTANTIATION (decl) + && TREE_CODE (DECL_TI_TEMPLATE (decl)) != TEMPLATE_DECL); +} + /* In module.cc */ class module_state; /* Forward declare. */ inline bool modules_p () { return flag_modules != 0; } @@ -7559,6 +7732,8 @@ extern module_state *get_module (tree name, module_state *parent = NULL, bool partition = false); extern bool module_may_redeclare (tree olddecl, tree newdecl = NULL); +extern bool instantiating_tu_local_entity (tree decl); + extern bool module_global_init_needed (); extern bool module_determine_import_inits (); extern void module_add_import_initializers (); @@ -7566,7 +7741,7 @@ extern void module_add_import_initializers (); /* Where the namespace-scope decl was originally declared. */ extern void set_originating_module (tree, bool friend_p = false); extern tree get_originating_module_decl (tree) ATTRIBUTE_PURE; -extern int get_originating_module (tree, bool for_mangle = false) ATTRIBUTE_PURE; +extern int get_originating_module (tree, bool global_m1 = false) ATTRIBUTE_PURE; extern unsigned get_importing_module (tree, bool = false) ATTRIBUTE_PURE; extern void check_module_decl_linkage (tree); @@ -7576,6 +7751,7 @@ extern void set_defining_module (tree); extern void set_defining_module_for_partial_spec (tree); extern void maybe_key_decl (tree ctx, tree decl); extern void propagate_defining_module (tree decl, tree orig); +extern void transfer_defining_module (tree olddecl, tree newdecl); extern void remove_defining_module (tree decl); extern void mangle_module (int m, bool include_partition); @@ -7609,8 +7785,12 @@ extern tree clone_attrs (tree); extern bool maybe_clone_body (tree); /* In parser.cc */ +extern tree cp_build_range_for_decls (location_t, tree, tree *, bool); extern tree cp_convert_range_for (tree, tree, tree, cp_decomp *, bool, tree, bool); +extern tree build_range_temp (tree); +extern tree cp_perform_range_for_lookup (tree, tree *, tree *, + tsubst_flags_t = tf_warning_or_error); extern void cp_convert_omp_range_for (tree &, tree &, tree &, tree &, tree &, tree &, tree &, tree &, bool); @@ -7618,12 +7798,13 @@ extern void cp_finish_omp_range_for (tree, tree); extern bool cp_maybe_parse_omp_decl (tree, tree); extern bool parsing_nsdmi (void); extern bool parsing_function_declarator (); -extern bool parsing_default_capturing_generic_lambda_in_template (void); extern void inject_this_parameter (tree, cp_cv_quals); extern location_t defparse_location (tree); extern void maybe_show_extern_c_location (void); extern bool literal_integer_zerop (const_tree); extern tree attr_chainon (tree, tree); +extern tree maybe_add_dummy_lambda_op (tree); +extern void remove_dummy_lambda_op (tree, tree); /* in pt.cc */ extern tree canonical_type_parameter (tree); @@ -7651,6 +7832,7 @@ extern tree make_constrained_auto (tree, tree); extern tree make_constrained_decltype_auto (tree, tree); extern tree make_template_placeholder (tree); extern tree make_cast_auto (void); +extern tree make_auto_pack (void); extern bool template_placeholder_p (tree); extern bool ctad_template_p (tree); extern bool unparenthesized_id_or_class_member_access_p (tree); @@ -7759,6 +7941,7 @@ extern bool type_dependent_expression_p_push (tree); extern bool value_dependent_expression_p (tree); extern bool instantiation_dependent_uneval_expression_p (tree); extern bool any_value_dependent_elements_p (const_tree); +extern bool dependent_template_arg_p (tree); extern bool dependent_omp_for_p (tree, tree, tree, tree, tree); extern tree resolve_typename_type (tree, bool); extern tree template_for_substitution (tree); @@ -7827,6 +8010,7 @@ extern tree add_to_template_args (tree, tree); extern tree add_outermost_template_args (tree, tree); extern tree add_extra_args (tree, tree, tsubst_flags_t, tree); extern tree build_extra_args (tree, tree, tsubst_flags_t); +extern void finish_expansion_stmt (tree, tree, tsubst_flags_t, tree); /* in rtti.cc */ /* A vector of all tinfo decls that haven't been emitted yet. */ @@ -7906,6 +8090,7 @@ extern bool perform_deferred_access_checks (tsubst_flags_t); extern bool perform_or_defer_access_check (tree, tree, tree, tsubst_flags_t, access_failure_info *afi = NULL); +extern tree maybe_convert_cond (tree); /* RAII sentinel to ensures that deferred access checks are popped before a function returns. */ @@ -7926,6 +8111,7 @@ public: extern int stmts_are_full_exprs_p (void); extern void init_cp_semantics (void); extern tree do_poplevel (tree); +extern tree do_pushlevel (scope_kind); extern void break_maybe_infinite_loop (void); extern void add_decl_expr (tree); extern tree maybe_cleanup_point_expr_void (tree); @@ -7952,7 +8138,7 @@ extern void find_range_for_decls (tree[3]); extern void finish_for_stmt (tree); extern tree begin_range_for_stmt (tree, tree); extern void finish_range_for_decl (tree, tree, tree); -extern void finish_range_for_stmt (tree); +extern tree begin_template_for_scope (tree *); extern tree finish_break_stmt (void); extern tree finish_continue_stmt (void); extern tree begin_switch_stmt (void); @@ -8054,11 +8240,14 @@ extern tree finish_qualified_id_expr (tree, tree, bool, bool, extern void simplify_aggr_init_expr (tree *); extern void finalize_nrv (tree, tree); extern tree omp_reduction_id (enum tree_code, tree, tree); +extern tree omp_mapper_id (tree, tree); extern tree cp_remove_omp_priv_cleanup_stmt (tree *, int *, void *); extern bool cp_check_omp_declare_reduction (tree); +extern bool cp_check_omp_declare_mapper (tree); extern void finish_omp_declare_simd_methods (tree); extern tree cp_finish_omp_init_prefer_type (tree); extern tree finish_omp_clauses (tree, enum c_omp_region_type); +extern tree omp_instantiate_mappers (tree); extern tree push_omp_privatization_clauses (bool); extern void pop_omp_privatization_clauses (tree); extern void save_omp_privatization_clauses (vec<tree> &); @@ -8098,10 +8287,12 @@ extern bool cxx_omp_create_clause_info (tree, tree, bool, bool, bool, bool); extern tree baselink_for_fns (tree); extern void finish_static_assert (tree, tree, location_t, - bool, bool); + bool, bool, bool = false); extern tree finish_decltype_type (tree, bool, tsubst_flags_t); extern tree fold_builtin_is_corresponding_member (location_t, int, tree *); +extern bool pointer_interconvertible_base_of_p (tree, tree, bool = false); extern tree fold_builtin_is_pointer_inverconvertible_with_class (location_t, int, tree *); +extern tree finish_structured_binding_size (location_t, tree, tsubst_flags_t); extern tree finish_trait_expr (location_t, enum cp_trait_kind, tree, tree); extern tree finish_trait_type (enum cp_trait_kind, tree, tree, tsubst_flags_t); extern tree build_lambda_expr (void); @@ -8123,7 +8314,7 @@ extern void register_capture_members (tree); extern tree lambda_expr_this_capture (tree, int); extern void maybe_generic_this_capture (tree, tree); extern tree maybe_resolve_dummy (tree, bool); -extern tree current_nonlambda_function (void); +extern tree current_nonlambda_function (bool = false); extern tree nonlambda_method_basetype (void); extern tree current_nonlambda_scope (bool = false); extern tree current_lambda_expr (void); @@ -8146,6 +8337,7 @@ extern void record_lambda_scope (tree lambda); extern void record_lambda_scope_discriminator (tree lambda); extern void record_lambda_scope_sig_discriminator (tree lambda, tree fn); extern tree start_lambda_function (tree fn, tree lambda_expr); +extern void push_capture_proxies (tree, bool = false); extern void finish_lambda_function (tree body); extern bool regenerated_lambda_fn_p (tree); extern tree lambda_regenerating_args (tree); @@ -8173,8 +8365,9 @@ extern bool pod_type_p (const_tree); 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 implicit_lifetime_type_p (tree); extern bool trivially_copyable_p (const_tree); -extern bool type_has_unique_obj_representations (const_tree); +extern bool type_has_unique_obj_representations (const_tree, bool = false); extern bool scalarish_type_p (const_tree); extern bool structural_type_p (tree, bool = false); extern bool type_has_nontrivial_default_init (const_tree); @@ -8288,6 +8481,7 @@ extern tree cp_build_reference_type (tree, bool); extern tree move (tree); extern tree cp_build_qualified_type (tree, int, tsubst_flags_t = tf_warning_or_error); +extern tree cp_build_function_type (tree, tree); extern bool cv_qualified_p (const_tree); extern tree cv_unqualified (tree); extern special_function_kind special_function_p (const_tree); @@ -8318,9 +8512,9 @@ extern void cxx_print_xnode (FILE *, tree, int); extern void cxx_print_decl (FILE *, tree, int); extern void cxx_print_type (FILE *, tree, int); extern void cxx_print_identifier (FILE *, tree, int); -extern void cxx_print_error_function (diagnostic_text_output_format &, +extern void cxx_print_error_function (diagnostics::text_sink &, const char *, - const diagnostic_info *); + const diagnostics::diagnostic_info *); /* in typeck.cc */ /* Says how we should behave when comparing two arrays one of which @@ -8346,7 +8540,7 @@ extern bool same_type_ignoring_top_level_qualifiers_p (tree, tree); extern bool similar_type_p (tree, tree); extern bool cp_comp_parm_types (tree, tree); extern bool next_common_initial_sequence (tree &, tree &); -extern bool layout_compatible_type_p (tree, tree); +extern bool layout_compatible_type_p (tree, tree, bool = false); extern bool compparms (const_tree, const_tree); extern int comp_cv_qualification (const_tree, const_tree); extern int comp_cv_qualification (int, int); @@ -8507,7 +8701,7 @@ extern void maybe_warn_pessimizing_move (tree, tree, bool); /* in typeck2.cc */ extern void require_complete_eh_spec_types (tree, tree); extern bool cxx_incomplete_type_diagnostic (location_t, const_tree, - const_tree, diagnostic_t); + const_tree, enum diagnostics::kind); inline location_t loc_or_input_loc (location_t loc) { @@ -8555,7 +8749,7 @@ cp_expr_loc_or_input_loc (const_tree t) inline bool cxx_incomplete_type_diagnostic (const_tree value, const_tree type, - diagnostic_t diag_kind) + enum diagnostics::kind diag_kind) { return cxx_incomplete_type_diagnostic (cp_expr_loc_or_input_loc (value), value, type, diag_kind); @@ -8566,7 +8760,7 @@ extern void cxx_incomplete_type_error (location_t, const_tree, inline void cxx_incomplete_type_error (const_tree value, const_tree type) { - cxx_incomplete_type_diagnostic (value, type, DK_ERROR); + cxx_incomplete_type_diagnostic (value, type, diagnostics::kind::error); } extern void cxx_incomplete_type_inform (const_tree); @@ -8637,7 +8831,7 @@ extern alias_set_type cxx_get_alias_set (tree); extern bool cxx_warn_unused_global_decl (const_tree); extern size_t cp_tree_size (enum tree_code); extern bool cp_var_mod_type_p (tree, tree); -extern void cxx_initialize_diagnostics (diagnostic_context *); +extern void cxx_initialize_diagnostics (diagnostics::context *); extern int cxx_types_compatible_p (tree, tree); extern bool cxx_block_may_fallthru (const_tree); @@ -8654,6 +8848,10 @@ extern tree cxx_omp_clause_copy_ctor (tree, tree, tree); extern tree cxx_omp_clause_assign_op (tree, tree, tree); extern tree cxx_omp_clause_dtor (tree, tree); extern void cxx_omp_finish_clause (tree, gimple_seq *, bool); +extern tree cxx_omp_finish_mapper_clauses (tree); +extern tree cxx_omp_mapper_lookup (tree, tree); +extern tree cxx_omp_extract_mapper_directive (tree); +extern tree cxx_omp_map_array_section (location_t, tree); extern bool cxx_omp_privatize_by_reference (const_tree); extern bool cxx_omp_disregard_value_expr (tree, bool); extern void cp_fold_function (tree); @@ -8778,9 +8976,12 @@ extern bool constraints_equivalent_p (tree, tree); extern bool atomic_constraints_identical_p (tree, tree); extern hashval_t iterative_hash_constraint (tree, hashval_t); extern hashval_t hash_atomic_constraint (tree); +extern void diagnose_trait_expr (location_t, tree, tree); +extern bool maybe_diagnose_standard_trait (location_t, tree); extern void diagnose_constraints (location_t, tree, tree); -extern void note_failed_type_completion_for_satisfaction (tree); +extern void note_failed_type_completion (tree, tsubst_flags_t); +extern location_t failed_completion_location (tree); /* in logic.cc */ extern bool subsumes (tree, tree); @@ -8837,6 +9038,7 @@ extern void cxx_constant_dtor (tree, tree); extern tree cxx_constant_init (tree, tree = NULL_TREE); extern tree maybe_constant_value (tree, tree = NULL_TREE, mce_value = mce_unknown); extern tree maybe_constant_init (tree, tree = NULL_TREE, bool = false); +extern tree maybe_constant_init (tree, tree, mce_value); extern tree fold_non_dependent_expr (tree, tsubst_flags_t = tf_warning_or_error, bool = false, tree = NULL_TREE); @@ -8847,7 +9049,7 @@ extern tree fold_non_dependent_init (tree, bool = false, tree = NULL_TREE); extern tree fold_simple (tree); extern tree fold_to_constant (tree); -extern bool reduced_constant_expression_p (tree); +extern bool reduced_constant_expression_p (tree, tree = NULL_TREE); extern bool is_instantiation_of_constexpr (tree); extern bool var_in_constexpr_fn (tree); extern bool var_in_maybe_constexpr_fn (tree); @@ -8906,50 +9108,6 @@ extern tree coro_get_ramp_function (tree); extern tree co_await_get_resume_call (tree await_expr); - -/* contracts.cc */ -extern tree make_postcondition_variable (cp_expr); -extern tree make_postcondition_variable (cp_expr, tree); -extern tree grok_contract (tree, tree, tree, cp_expr, location_t); -extern tree finish_contract_condition (cp_expr); - -/* Return the first contract in ATTRS, or NULL_TREE if there are none. */ - -inline tree -find_contract (tree attrs) -{ - while (attrs && !cxx_contract_attribute_p (attrs)) - attrs = TREE_CHAIN (attrs); - return attrs; -} - -inline void -set_decl_contracts (tree decl, tree contract_attrs) -{ - remove_contract_attributes (decl); - DECL_ATTRIBUTES (decl) = chainon (DECL_ATTRIBUTES (decl), contract_attrs); -} - -/* Returns the computed semantic of the node. */ - -inline contract_semantic -get_contract_semantic (const_tree t) -{ - return (contract_semantic) (TREE_LANG_FLAG_3 (CONTRACT_CHECK (t)) - | (TREE_LANG_FLAG_2 (t) << 1) - | (TREE_LANG_FLAG_0 ((t)) << 2)); -} - -/* Sets the computed semantic of the node. */ - -inline void -set_contract_semantic (tree t, contract_semantic semantic) -{ - TREE_LANG_FLAG_3 (CONTRACT_CHECK (t)) = semantic & 0x01; - TREE_LANG_FLAG_2 (t) = (semantic & 0x02) >> 1; - TREE_LANG_FLAG_0 (t) = (semantic & 0x04) >> 2; -} - /* Inline bodies. */ inline tree |