diff options
Diffstat (limited to 'gcc/rust/ast/rust-ast.h')
| -rw-r--r-- | gcc/rust/ast/rust-ast.h | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/gcc/rust/ast/rust-ast.h b/gcc/rust/ast/rust-ast.h index ad3722f..cfb5f9b 100644 --- a/gcc/rust/ast/rust-ast.h +++ b/gcc/rust/ast/rust-ast.h @@ -83,6 +83,8 @@ public: // Parse attribute input to meta item, if possible virtual AttrInput *parse_to_meta_item () const { return nullptr; } + virtual std::vector<Attribute> separate_cfg_attrs () const { return {}; } + protected: // pure virtual clone implementation virtual AttrInput *clone_attr_input_impl () const = 0; @@ -590,20 +592,9 @@ public: /* Determines whether cfg predicate is true and item with attribute should not * be stripped. */ - bool check_cfg_predicate (const Session &session) - { - /* assume that cfg predicate actually can exist, i.e. attribute has cfg or - * cfg_attr path */ - - if (!has_attr_input ()) - return false; + bool check_cfg_predicate (const Session &session); - // TODO: maybe replace with storing a "has been parsed" variable? - parse_attr_to_meta_item (); - // can't be const because of this anyway - - return attr_input->check_cfg_predicate (session); - } + std::vector<Attribute> separate_cfg_attrs (); protected: // not virtual as currently no subclasses of Attribute, but could be in future @@ -683,6 +674,8 @@ public: clone_attr_input_meta_item_container_impl ()); } + std::vector<Attribute> separate_cfg_attrs () const override; + protected: // Use covariance to implement clone function as returning this type AttrInputMetaItemContainer *clone_attr_input_impl () const override |