Add vendor

vendor/github.com/golang/protobuf/protoc-gen-go/testdata/imp.proto

@@ -0,0 +1,70 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2010 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto2";
+
+package imp;
+
+import "imp2.proto";
+import "imp3.proto";
+
+message ImportedMessage {
+  required int64 field = 1;
+
+  // The forwarded getters for these fields are fiddly to get right.
+  optional ImportedMessage2 local_msg = 2;
+  optional ForeignImportedMessage foreign_msg = 3;  // in imp3.proto
+  optional Owner enum_field = 4;
+  oneof union {
+    int32 state = 9;
+  }
+
+  repeated string name = 5;
+  repeated Owner boss = 6;
+  repeated ImportedMessage2 memo = 7;
+
+  map<string, ImportedMessage2> msg_map = 8;
+
+  enum Owner {
+    DAVE = 1;
+    MIKE = 2;
+  }
+
+  extensions 90 to 100;
+}
+
+message ImportedMessage2 {
+}
+
+message ImportedExtendable {
+  option message_set_wire_format = true;
+  extensions 100 to max;
+}