diff options
Diffstat (limited to 'gcc/cp/cp-tree.h')
| -rw-r--r-- | gcc/cp/cp-tree.h | 65 |
1 files changed, 64 insertions, 1 deletions
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index 95945b3..2d20246 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -478,6 +478,48 @@ struct tree_argument_pack_select GTY (()) int index; }; +/* The different kinds of traits that we encounter. */ + +typedef enum cp_trait_kind +{ + CPTK_HAS_NOTHROW_ASSIGN, + CPTK_HAS_NOTHROW_CONSTRUCTOR, + CPTK_HAS_NOTHROW_COPY, + CPTK_HAS_TRIVIAL_ASSIGN, + CPTK_HAS_TRIVIAL_CONSTRUCTOR, + CPTK_HAS_TRIVIAL_COPY, + CPTK_HAS_TRIVIAL_DESTRUCTOR, + CPTK_HAS_VIRTUAL_DESTRUCTOR, + CPTK_IS_ABSTRACT, + CPTK_IS_BASE_OF, + CPTK_IS_CLASS, + CPTK_IS_CONVERTIBLE_TO, + CPTK_IS_EMPTY, + CPTK_IS_ENUM, + CPTK_IS_POD, + CPTK_IS_POLYMORPHIC, + CPTK_IS_UNION +} cp_trait_kind; + +/* The types that we are processing. */ +#define TRAIT_EXPR_TYPE1(NODE) \ + (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type1) + +#define TRAIT_EXPR_TYPE2(NODE) \ + (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->type2) + +/* The specific trait that we are processing. */ +#define TRAIT_EXPR_KIND(NODE) \ + (((struct tree_trait_expr *)TRAIT_EXPR_CHECK (NODE))->kind) + +struct tree_trait_expr GTY (()) +{ + struct tree_common common; + tree type1; + tree type2; + enum cp_trait_kind kind; +}; + enum cp_tree_node_structure_enum { TS_CP_GENERIC, TS_CP_IDENTIFIER, @@ -491,6 +533,7 @@ enum cp_tree_node_structure_enum { TS_CP_DEFAULT_ARG, TS_CP_STATIC_ASSERT, TS_CP_ARGUMENT_PACK_SELECT, + TS_CP_TRAIT_EXPR, LAST_TS_CP_ENUM }; @@ -511,6 +554,8 @@ union lang_tree_node GTY((desc ("cp_tree_node_structure (&%h)"), static_assertion; struct tree_argument_pack_select GTY ((tag ("TS_CP_ARGUMENT_PACK_SELECT"))) argument_pack_select; + struct tree_trait_expr GTY ((tag ("TS_CP_TRAIT_EXPR"))) + trait_expression; }; @@ -936,6 +981,10 @@ enum languages { lang_c, lang_cplusplus, lang_java }; #define CLASS_TYPE_P(T) \ (IS_AGGR_TYPE_CODE (TREE_CODE (T)) && TYPE_LANG_FLAG_5 (T)) +/* Nonzero if T is a class type but not an union. */ +#define NON_UNION_CLASS_TYPE_P(T) \ + (CLASS_TYPE_P (T) && TREE_CODE (T) != UNION_TYPE) + /* Keep these checks in ascending code order. */ #define IS_AGGR_TYPE_CODE(T) \ ((T) == RECORD_TYPE || (T) == UNION_TYPE) @@ -1093,6 +1142,7 @@ struct lang_type_class GTY(()) unsigned has_complex_init_ref : 1; unsigned has_complex_assign_ref : 1; unsigned non_aggregate : 1; + unsigned has_complex_dflt : 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 @@ -1101,7 +1151,7 @@ struct lang_type_class GTY(()) /* 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 : 12; + unsigned dummy : 11; tree primary_base; VEC(tree_pair_s,gc) *vcall_indices; @@ -2682,8 +2732,13 @@ more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator *iter) /* 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 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 user-defined 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]: A destructor is trivial if it is an implicitly declared @@ -2705,6 +2760,10 @@ more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator *iter) #define TYPE_HAS_NONTRIVIAL_DESTRUCTOR(NODE) \ (TYPE_LANG_FLAG_4 (NODE)) +/* Nonzero for class type means that the default constructor is trivial. */ +#define TYPE_HAS_TRIVIAL_DFLT(NODE) \ + (TYPE_HAS_DEFAULT_CONSTRUCTOR (NODE) && ! TYPE_HAS_COMPLEX_DFLT (NODE)) + /* Nonzero for class type means that copy initialization of this type can use a bitwise copy. */ #define TYPE_HAS_TRIVIAL_INIT_REF(NODE) \ @@ -4280,6 +4339,9 @@ extern tree lazily_declare_fn (special_function_kind, extern tree skip_artificial_parms_for (tree, tree); extern int num_artificial_parms_for (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 *); /* In optimize.c */ extern bool maybe_clone_body (tree); @@ -4557,6 +4619,7 @@ extern bool cxx_omp_privatize_by_reference (tree); extern tree baselink_for_fns (tree); extern void finish_static_assert (tree, tree, location_t, bool); +extern tree finish_trait_expr (enum cp_trait_kind, tree, tree); /* in tree.c */ extern void lang_check_failed (const char *, int, |