fix issue emicklei#70: multi comment in rpc

service.go

@@ -215,15 +215,14 @@ func (r *RPC) parse(p *Parser) error {
 				maybeScanInlineComment(p, r)
 				continue
 			}
-			if tOPTION != tok {
-				return p.unexpected(lit, "rpc option", r)
-			}
-			o := new(Option)
-			o.Position = pos
-			if err := o.parse(p); err != nil {
-				return err
+			if tOPTION == tok {
+				o := new(Option)
+				o.Position = pos
+				if err := o.parse(p); err != nil {
+					return err
+				}
+				r.addElement(o)
 			}
-			r.addElement(o)
 		}
 	}
 	return nil

service_test.go

@@ -159,15 +159,23 @@ func TestRPCWithOneLineCommentInOptionBlock(t *testing.T) {
 }
 
 func TestRPCWithMultiLineCommentInOptionBlock(t *testing.T) {
-	t.Skip("this fails")
 	proto := `service AccountService {
 		rpc CreateAccount (CreateAccount) returns (ServiceFault) {
 			// test comment
 			// test comment
 		}
 	}`
-	_, err := newParserOn(proto).Parse()
+	def, err := newParserOn(proto).Parse()
 	if err != nil {
 		t.Fatal(err)
 	}
+	s := def.Elements[0].(*Service)
+	r := s.Elements[0].(*RPC)
+	if got, want := len(r.Elements), 1; got != want {
+		t.Errorf("got [%v] want [%v]", got, want)
+	}
+	c := r.Elements[0].(*Comment)
+	if got, want := len(c.Lines), 2; got != want {
+		t.Errorf("got [%v] want [%v]", got, want)
+	}
 }