[cfe-dev] c++ 11 attribute support in clang

[Michael Han]

Hi,

Attached patch is trying to improve the C++ 11 generalized attributes support in Clang:

- Parse generic C++ 11 attributes into AST instead of parsing and ignoring them. 
- Parse attributes arguments if the attributes are in gnu scope. 
- Update several tests since with the unknown attributes introduced to AST some expected diagnostics shall be emitted.

This would allow one to extend Clang attributes using C++ 11 attribute syntax and migrate existing GNU style attributes with new syntax. 

Are there any ideas and plans on adding generalized C++ 11 attribute support to Clang? I feel migrating existing GNU attributes to new syntax might be a good start. Any feedback are appreciated.

Michael

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