Instead of using the location of the beginning '-'/'+'.
This is consistent with location used for function decls and ObjC method calls where we use the base name as the location as well.
llvm-svn: 293134
- Add entries for protocols on categories
- Add relation between categories and class they extend
- Add relation between getters/setters and their corresponding property
- Use category name location as the location of category decls/defs if it has one
llvm-svn: 285120