1 /* 2 * Copyright (c) 2021 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_JS_API_TREE_SET_ITERATOR_H 17 #define ECMASCRIPT_JS_API_TREE_SET_ITERATOR_H 18 19 #include "js_iterator.h" 20 #include "js_object.h" 21 22 namespace panda::ecmascript { 23 /** 24 * It is used to provide iterators for non ECMA standard jsapi containers. 25 * JSAPITreeSetIterator provides ordered iterators. 26 * */ 27 class JSAPITreeSetIterator : public JSObject { 28 public: Cast(ObjectHeader * obj)29 static JSAPITreeSetIterator *Cast(ObjectHeader *obj) 30 { 31 ASSERT(JSTaggedValue(obj).IsJSAPITreeSetIterator()); 32 return static_cast<JSAPITreeSetIterator *>(obj); 33 } 34 static JSHandle<JSTaggedValue> CreateTreeSetIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj, 35 IterationKind kind); 36 37 static JSTaggedValue Next(EcmaRuntimeCallInfo *argv); 38 39 static constexpr size_t ITERATED_SET_OFFSET = JSObject::SIZE; 40 ACCESSORS(IteratedSet, ITERATED_SET_OFFSET, ITERATED_ENTRIES_OFFSET); 41 ACCESSORS(Entries, ITERATED_ENTRIES_OFFSET, NEXT_INDEX_OFFSET); 42 ACCESSORS(NextIndex, NEXT_INDEX_OFFSET, ITERATION_KIND_OFFSET); 43 ACCESSORS(IterationKind, ITERATION_KIND_OFFSET, SIZE); 44 45 DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, ITERATED_SET_OFFSET, SIZE) 46 47 DECL_DUMP() 48 }; 49 } // namespace panda::ecmascript 50 51 #endif // ECMASCRIPT_JS_API_TREE_SET_ITERATOR_H 52