/* * Copyright (c) 2021 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef ECMASCRIPT_JSARRAY_H #define ECMASCRIPT_JSARRAY_H #include #include "ecmascript/js_object.h" #include "ecmascript/js_tagged_value-inl.h" #include "ecmascript/js_tagged_value.h" #include "ecmascript/tagged_array.h" namespace panda::ecmascript { // ecma6 9.4.2 Array Exotic Object class JSArray : public JSObject { public: static constexpr int LENGTH_INLINE_PROPERTY_INDEX = 0; CAST_CHECK(JSArray, IsJSArray); static JSHandle ArrayCreate(JSThread *thread, JSTaggedNumber length); static JSHandle ArrayCreate(JSThread *thread, JSTaggedNumber length, const JSHandle &newTarget); static JSTaggedValue ArraySpeciesCreate(JSThread *thread, const JSHandle &originalArray, JSTaggedNumber length); static bool ArraySetLength(JSThread *thread, const JSHandle &array, const PropertyDescriptor &desc); static bool DefineOwnProperty(JSThread *thread, const JSHandle &array, const JSHandle &key, const PropertyDescriptor &desc); static bool DefineOwnProperty(JSThread *thread, const JSHandle &array, uint32_t index, const PropertyDescriptor &desc); static bool IsLengthString(JSThread *thread, const JSHandle &key); // ecma6 7.3 Operations on Objects static JSHandle CreateArrayFromList(JSThread *thread, const JSHandle &elements); // use first inlined property slot for array length inline uint32_t GetArrayLength() const { return GetLength().GetArrayLength(); } inline void SetArrayLength(const JSThread *thread, uint32_t length) { SetLength(thread, JSTaggedValue(length)); } static constexpr size_t LENGTH_OFFSET = JSObject::SIZE; ACCESSORS(Length, LENGTH_OFFSET, SIZE); DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, LENGTH_OFFSET, SIZE) static const uint32_t MAX_ARRAY_INDEX = MAX_ELEMENT_INDEX; DECL_DUMP() static int32_t GetArrayLengthOffset() { return LENGTH_OFFSET; } static bool PropertyKeyToArrayIndex(JSThread *thread, const JSHandle &key, uint32_t *output); static JSTaggedValue LengthGetter(JSThread *thread, const JSHandle &self); static bool LengthSetter(JSThread *thread, const JSHandle &self, const JSHandle &value, bool mayThrow = false); static JSHandle FastGetPropertyByValue(JSThread *thread, const JSHandle &obj, uint32_t index); static JSHandle FastGetPropertyByValue(JSThread *thread, const JSHandle &obj, const JSHandle &key); static bool FastSetPropertyByValue(JSThread *thread, const JSHandle &obj, uint32_t index, const JSHandle &value); static bool FastSetPropertyByValue(JSThread *thread, const JSHandle &obj, const JSHandle &key, const JSHandle &value); static void Sort(JSThread *thread, const JSHandle &obj, const JSHandle &fn); static bool IncludeInSortedValue(JSThread *thread, const JSHandle &obj, const JSHandle &value); static JSHandle ToTaggedArray(JSThread *thread, const JSHandle &obj); static void CheckAndCopyArray(const JSThread *thread, JSHandle obj); private: static void SetCapacity(JSThread *thread, const JSHandle &array, uint32_t oldLen, uint32_t newLen); }; } // namespace panda::ecmascript #endif // ECMASCRIPT_JSARRAY_H