llcppsigfetch:variadic order

chore/_xtool/llcppsigfetch/parse/cvt.go

@@ -646,12 +646,12 @@ func (ct *Converter) ProcessFieldList(cursor clang.Cursor) *ast.FieldList {
 		params:    params,
 		converter: ct,
 	}
+	clang.VisitChildren(cursor, visitFieldList, c.Pointer(ctx))
 	if (cursor.Kind == clang.CursorFunctionDecl || isMethod(cursor)) && cursor.IsVariadic() != 0 {
 		params.List = append(params.List, &ast.Field{
 			Type: &ast.Variadic{},
 		})
 	}
-	clang.VisitChildren(cursor, visitFieldList, c.Pointer(ctx))
 	return params
 }
 

chore/_xtool/llcppsigfetch/parse/cvt_test/decl_test/func_test/llgo.expect

@@ -122,16 +122,6 @@ TestFuncDecl Case 3:
 					"Params":	{
 						"_Type":	"FieldList",
 						"List":	[{
-								"_Type":	"Field",
-								"Type":	{
-									"_Type":	"Variadic"
-								},
-								"Doc":	null,
-								"Comment":	null,
-								"IsStatic":	false,
-								"Access":	0,
-								"Names":	null
-							}, {
 								"_Type":	"Field",
 								"Type":	{
 									"_Type":	"BuiltinType",
@@ -146,6 +136,16 @@ TestFuncDecl Case 3:
 										"_Type":	"Ident",
 										"Name":	"a"
 									}]
+							}, {
+								"_Type":	"Field",
+								"Type":	{
+									"_Type":	"Variadic"
+								},
+								"Doc":	null,
+								"Comment":	null,
+								"IsStatic":	false,
+								"Access":	0,
+								"Names":	null
 							}]
 					},
 					"Ret":	{