optimize: add service extends lookup for descriptor (#196)

Author: HeyJavaBean

descriptor.thrift

@@ -119,8 +119,9 @@ struct ServiceDescriptor{
     2:required string name 
     3:required list<MethodDescriptor> methods  
     4:required map<string,list<string>> annotations 
-    5:required string comments  
+    5:required string comments
     6:optional map<string,string> extra  // extra info
+    7:optional string base = ""
 }
 
 struct FileDescriptor{

descriptor_code_gen.sh

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-go run . -g go:gen_type_meta -o . descriptor.thrift
+go run . -g go:gen_type_meta,no_processor -o . descriptor.thrift

extension/thrift_option/option_idl/test.thrift

@@ -103,10 +103,8 @@ struct PersonC{
     entity.person_basic_info.valuei8 = '8'
     entity.person_basic_info.valuei16 = '16'
     entity.person_struct_info.valuestruct = '{email:"empty email"}'
-    // 简写不建议这样写，而且这行会被下面那行覆盖掉
-    entity.person_struct_info.valueteststruct.innerStruct = "{name: '123'},innerStruct:{email:'456'}"
-    entity.person_struct_info.valueteststruct.innerStruct.email = "no email"
     entity.person_struct_info.valueteststruct.name = "lee"
+    entity.person_struct_info.valueteststruct.innerStruct.email = "no email"
 )
 
 enum MyEnum{