" Vim syntax file " Language: gyb on swift runtime! syntax/swift.vim unlet b:current_syntax syn include @Python syntax/python.vim syn region pythonCode matchgroup=gybPythonCode start=+^ *%+ end=+$+ contains=@Python keepend syn region pythonCode matchgroup=gybPythonCode start=+%{+ end=+}%+ contains=@Python keepend syn match gybPythonCode /\${[^}]*}/ hi def link gybPythonCode CursorLineNr let b:current_syntax = "swiftgyb"