diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/synext.hpp | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/include/synext.hpp b/src/include/synext.hpp index 0b9ec3f1..4320fceb 100644 --- a/src/include/synext.hpp +++ b/src/include/synext.hpp @@ -44,22 +44,23 @@ enum class AttrStage class ExpandDecorator { + void unexpected(const AST::MetaItem& mi, const char* loc_str) const; public: virtual AttrStage stage() const = 0; - virtual void handle(const AST::MetaItem& mi, AST::Crate& crate) const {} - virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, AST::MacroInvocation& mac) const {} - virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, const AST::Path& path, AST::Module& mod, AST::Item&i) const {} + virtual void handle(const AST::MetaItem& mi, AST::Crate& crate) const { unexpected(mi, "crate"); } + virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, AST::MacroInvocation& mac) const { unexpected(mi, "macro invocation"); } + virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, const AST::Path& path, AST::Module& mod, AST::Item&i) const { unexpected(mi, "item"); } // NOTE: To delete, clear the name - virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::AST::StructItem& si) const {} + virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::AST::StructItem& si) const { unexpected(mi, "struct item"); } // NOTE: To delete, make the type invalid - virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::AST::TupleItem& si) const {} + virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::AST::TupleItem& si) const { unexpected(mi, "tuple item"); } // NOTE: To delete, clear the name - virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::AST::EnumVariant& ev) const {} + virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::AST::EnumVariant& ev) const { unexpected(mi, "enum variant"); } - virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::std::unique_ptr<AST::ExprNode>& expr) const {} + virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::std::unique_ptr<AST::ExprNode>& expr) const { unexpected(mi, "expression"); } // NOTE: To delete, clear the patterns vector - virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::AST::ExprNode_Match_Arm& expr) const {} + virtual void handle(const AST::MetaItem& mi, AST::Crate& crate, ::AST::ExprNode_Match_Arm& expr) const { unexpected(mi, "match arm"); } }; class ExpandProcMacro |