add is_variadic to method (#56)

for variadic function

cxx-parser/cxx/terra/include/terra.hpp

@@ -359,6 +359,7 @@ namespace terra
             method.is_overriding = cppast::is_overriding(cpp_member_function.virtual_info());
             method.is_const = cpp_member_function.cv_qualifier() == cppast::cpp_cv::cpp_cv_const;
             method.signature = cpp_member_function.signature();
+            method.is_variadic = cpp_member_function.is_variadic();
         }
 
         void parse_constructor(
@@ -1169,6 +1170,7 @@ namespace terra
             json["is_overriding"] = node->is_overriding;
             json["is_const"] = node->is_const;
             json["signature"] = node->signature;
+            json["is_variadic"] = node->is_variadic;
         }
 
         void Variable2Json(Variable *node, nlohmann::json &json)

cxx-parser/cxx/terra/include/terra_node.hpp

@@ -129,8 +129,9 @@ namespace terra
         bool is_overriding;
         bool is_const;
         std::string signature;
+        bool is_variadic;
     } MemberFunction;
-    NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(MemberFunction, name, is_virtual, return_type, parameters, access_specifier, is_overriding, signature, namespaces, file_path);
+    NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(MemberFunction, name, is_virtual, return_type, parameters, access_specifier, is_overriding, signature, is_variadic, namespaces, file_path);
 
     typedef struct MemberVariable : BaseNode
     {

cxx-parser/src/cxx_terra_node.ts

@@ -244,6 +244,7 @@ export class MemberFunction extends CXXTerraNode {
   is_overriding: boolean = false;
   is_const: boolean = false;
   signature: string = '';
+  is_variadic: boolean = false;
 
   override get fullName(): string {
     return `${this.parent?.fullName}.${this.name}`;