get refarg is ok

src/package/pikascript/pikascript-core/PikaInvoke.c

@@ -17,18 +17,13 @@ static int32_t loadArgByType(PikaObj *self,
         {
             return 0;
         }
-        /* get reference arg */
+        if (0 == obj_getRefArg(self, argPath, args))
-        Arg *arg = obj_getArg(self, argPath);
-        if (arg == NULL)
         {
-            /* can not get arg */
-            return 3;
-        }
-        Arg *argCopied = arg_copy(arg);
-        argCopied = arg_setName(argCopied, argPath);
-        args_setArg(args, argCopied);
             return 0;
         }
+        /* solve arg faild */
+        return 3;
+    }
     if (strEqu(definedType, "str"))
     {
         /* solve the string type */
@@ -234,8 +229,6 @@ static void *getMethodPtr(PikaObj *methodHost, char *methodName)
     return res;
 }
 
-
-
 Args *obj_invoke(PikaObj *self, char *cmd)
 {
     /* the Args returned need to be deinit */

src/package/pikascript/pikascript-core/PikaObj.c

@@ -534,6 +534,21 @@ char *getRightCmd(Args *buffs, char *cmd)
     return right;
 }
 
+uint8_t obj_getRefArg(PikaObj *self, char *argPath, Args *targetArgs)
+{
+    /* get reference arg */
+    Arg *arg = obj_getArg(self, argPath);
+    if (arg == NULL)
+    {
+        /* can not get arg */
+        return 3;
+    }
+    Arg *argCopied = arg_copy(arg);
+    argCopied = arg_setName(argCopied, argPath);
+    args_setArg(targetArgs, argCopied);
+    return 0;
+}
+
 Args *getRightRes(PikaObj *self, char *cmd)
 {
     Args *buffs = New_strBuff();

src/package/pikascript/pikascript-core/PikaObj.h

@@ -81,5 +81,6 @@ void args_setSysOut(Args *args, char *str);
 char *obj_getSysOut(PikaObj *self);
 void obj_sysPrintf(PikaObj *self, char *fmt, ...);
 PikaObj *obj_getContext(PikaObj *self);
+uint8_t obj_getRefArg(PikaObj *self, char *argPath, Args *targetArgs);
 
 #endif