diff options
| author | John Hodge <tpg@mutabah.net> | 2016-04-02 12:32:36 +0800 |
|---|---|---|
| committer | John Hodge <tpg@mutabah.net> | 2016-04-02 12:32:36 +0800 |
| commit | 3ac89867ceb4474c3be9794348d7bd5183305cfb (patch) | |
| tree | a9a1b4631c015c3d492643955ba1c7a5cbe183d0 /src/include | |
| parent | 23b9d62d2adf8eb272aea3ce7ca63380873931fc (diff) | |
| download | mrust-3ac89867ceb4474c3be9794348d7bd5183305cfb.tar.gz | |
Expand - Handle attributes on module-level macro invocations
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 |