Imports code.google.com/p/gogoprotobuf/proto code.google.com/p/gogoprotobuf/protoc-gen-gogo/plugin code.google.com/p/gogoprotobuf/gogoproto code.google.com/p/gogoprotobuf/protoc-gen-gogo/descriptor Standard library imports go/printer go/token bytes strings unicode unicode/utf8 fmt go/parser log os path strconv