DO                 92 third_party/protobuf/src/google/protobuf/compiler/parser.cc #define DO(STATEMENT) if (STATEMENT) {} else return false
DO                175 third_party/protobuf/src/google/protobuf/text_format.cc #define DO(STATEMENT) if (STATEMENT) {} else return false
DO                908 third_party/protobuf/src/google/protobuf/text_format.cc #undef DO