1 /* 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ECMASCRIPT_BASE_ARRAY_HELPER_H 17 #define ECMASCRIPT_BASE_ARRAY_HELPER_H 18 19 #include <string> 20 21 #include "ecmascript/base/builtins_base.h" 22 23 namespace panda::ecmascript::base { 24 struct FlattenArgs { 25 int64_t sourceLen = 0; 26 int64_t start = 0; 27 double depth = 0; 28 }; 29 30 enum class HolesType { 31 SKIP_HOLES, 32 READ_THROUGH_HOLES, 33 }; 34 class ArrayHelper { 35 public: 36 static bool IsConcatSpreadable(JSThread *thread, const JSHandle<JSTaggedValue> &obj); 37 static double SortCompare(JSThread *thread, const JSHandle<JSTaggedValue> &callbackfnHandle, 38 const JSHandle<JSTaggedValue> &valueX, const JSHandle<JSTaggedValue> &valueY); 39 static int64_t GetLength(JSThread *thread, const JSHandle<JSTaggedValue> &thisHandle); 40 static int64_t GetArrayLength(JSThread *thread, const JSHandle<JSTaggedValue> &thisHandle); 41 static JSTaggedValue FlattenIntoArray(JSThread *thread, const JSHandle<JSObject> &newArrayHandle, 42 const JSHandle<JSTaggedValue> &thisObjVal, const FlattenArgs &args, 43 const JSHandle<JSTaggedValue> &mapperFunctionHandle, 44 const JSHandle<JSTaggedValue> &thisArg); 45 static JSTaggedValue SortIndexedProperties(JSThread *thread, const JSHandle<JSObject> &thisObj, 46 int64_t len, const JSHandle<JSTaggedValue> &callbackFnHandle, 47 HolesType holes); 48 }; 49 } // namespace panda::ecmascript::base 50 51 #endif // ECMASCRIPT_BASE_ARRAY_HELPER_H 52