diff options
Diffstat (limited to 'gcc/cp/cp-tree.h')
| -rw-r--r-- | gcc/cp/cp-tree.h | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index 8183775b49e..8c2dbe1fba6 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -2228,7 +2228,8 @@ struct GTY(()) lang_decl_base { unsigned u2sel : 1; unsigned concept_p : 1; /* applies to vars and functions */ unsigned var_declared_inline_p : 1; /* var */ - /* 2 spare bits */ + unsigned decomposition_p : 1; /* var */ + /* 1 spare bit */ }; /* True for DECL codes which have template info and access. */ @@ -3626,6 +3627,16 @@ more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator *iter) (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.var_declared_inline_p \ = true) +/* Nonzero if NODE is the artificial VAR_DECL for decomposition + declaration. */ +#define DECL_DECOMPOSITION_P(NODE) \ + (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \ + ? DECL_LANG_SPECIFIC (NODE)->u.base.decomposition_p \ + : false) +#define SET_DECL_DECOMPOSITION_P(NODE) \ + (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.decomposition_p \ + = true) + /* Nonzero if NODE is an inline VAR_DECL. In C++17, static data members declared with constexpr specifier are implicitly inline variables. */ #define DECL_INLINE_VAR_P(NODE) \ @@ -5165,7 +5176,8 @@ enum auto_deduction_context adc_variable_type, /* Variable initializer deduction */ adc_return_type, /* Return type deduction */ adc_unify, /* Template argument deduction */ - adc_requirement /* Argument dedution constraint */ + adc_requirement, /* Argument deduction constraint */ + adc_decomp_type /* Decomposition declaration initializer deduction */ }; /* True iff this TEMPLATE_TYPE_PARM represents decltype(auto). */ @@ -5382,6 +5394,7 @@ enum cp_declarator_kind { cdk_pointer, cdk_reference, cdk_ptrmem, + cdk_decomp, cdk_error }; @@ -5412,7 +5425,8 @@ struct cp_declarator { /* 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. */ + location_t id_loc; /* Currently only set for cdk_id, cdk_decomp and + cdk_function. */ /* GNU Attributes that apply to this declarator. If the declarator is a pointer or a reference, these attribute apply to the type pointed to. */ @@ -5421,8 +5435,8 @@ struct cp_declarator { declarator is a pointer or a reference, these attributes apply to the pointer, rather than to the type pointed to. */ tree std_attributes; - /* For all but cdk_id and cdk_error, the contained declarator. For - cdk_id and cdk_error, guaranteed to be NULL. */ + /* For all but cdk_id, cdk_decomp and cdk_error, the contained declarator. + For cdk_id, cdk_decomp and cdk_error, guaranteed to be NULL. */ cp_declarator *declarator; union { /* For identifiers. */ @@ -5794,6 +5808,7 @@ extern tree start_decl (const cp_declarator *, cp_decl_specifier_seq *, int, extern void start_decl_1 (tree, bool); extern bool check_array_initializer (tree, tree, tree); extern void cp_finish_decl (tree, tree, bool, tree, int); +extern void cp_finish_decomp (tree, tree, unsigned int); extern int cp_complete_array_type (tree *, tree, bool); extern int cp_complete_array_type_or_error (tree *, tree, bool, tsubst_flags_t); extern tree build_ptrmemfunc_type (tree); @@ -6066,7 +6081,7 @@ extern tree implicitly_declare_fn (special_function_kind, tree, extern bool maybe_clone_body (tree); /* In parser.c */ -extern tree cp_convert_range_for (tree, tree, tree, bool); +extern tree cp_convert_range_for (tree, tree, tree, tree, unsigned int, bool); extern bool parsing_nsdmi (void); extern void inject_this_parameter (tree, cp_cv_quals); @@ -6082,6 +6097,7 @@ extern void reset_specialization (void); extern void end_specialization (void); extern void begin_explicit_instantiation (void); extern void end_explicit_instantiation (void); +extern void check_unqualified_spec_or_inst (tree, location_t); extern tree check_explicit_specialization (tree, tree, int, int); extern int num_template_headers_for_class (tree); extern void check_template_variable (tree); |