- &Vec<syntax::ast::PathSegment> => &[ast::PathSegment]
- remove unnecessary implements
- transfer skip logic to inside rewrite_macro
- fix test
- use util methods in libsyntax
- use meta_item_list directly
- avoid no_entry.rs for test using module system
- add logic to skip rustfmt::skip::macros only
- remove base_skip_macro_names
- remove Rc
- use clone to append skip_macro_names