1 /* 2 * Copyright (c) 2022-2023 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_JS_API_HASHMAP_ITERATOR_H 17 #define ECMASCRIPT_JS_API_JS_API_HASHMAP_ITERATOR_H 18 19 #include "ecmascript/js_iterator.h" 20 #include "ecmascript/js_object.h" 21 #include "ecmascript/tagged_hash_array.h" 22 23 namespace panda::ecmascript { 24 class JSAPIHashMapIterator : public JSObject { 25 public: Cast(TaggedObject * obj)26 static JSAPIHashMapIterator *Cast(TaggedObject *obj) 27 { 28 ASSERT(JSTaggedValue(obj).IsJSAPIHashMapIterator()); 29 return static_cast<JSAPIHashMapIterator *>(obj); 30 } 31 static JSTaggedValue Next(EcmaRuntimeCallInfo *argv); 32 static JSHandle<JSTaggedValue> CreateHashMapIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj, 33 IterationKind kind); 34 static JSHandle<JSTaggedValue> GetCurrentNode(JSThread *thread, JSHandle<JSAPIHashMapIterator> &iter, 35 JSMutableHandle<TaggedQueue> &queue, 36 JSHandle<TaggedHashArray> &tableArr); 37 static JSHandle<JSTaggedValue> FastGetCurrentNode(JSThread *thread, 38 JSHandle<JSAPIHashMapIterator> &iter, 39 JSMutableHandle<TaggedQueue> &queue, 40 JSHandle<TaggedHashArray> &tableArr); 41 42 static constexpr size_t ITERATED_HASHMAP_OFFSET = JSObject::SIZE; 43 ACCESSORS(IteratedHashMap, ITERATED_HASHMAP_OFFSET, TAGGED_QUEUE_OFFSET); 44 ACCESSORS(TaggedQueue, TAGGED_QUEUE_OFFSET, CURRENT_NODE_RESULT); 45 ACCESSORS(CurrentNodeResult, CURRENT_NODE_RESULT, NEXT_INDEX_OFFSET); 46 ACCESSORS_PRIMITIVE_FIELD(NextIndex, uint32_t, NEXT_INDEX_OFFSET, BIT_FIELD_OFFSET) 47 ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, LAST_OFFSET) 48 DEFINE_ALIGN_SIZE(LAST_OFFSET); 49 50 // define BitField 51 static constexpr size_t ITERATION_KIND_BITS = 2; 52 FIRST_BIT_FIELD(BitField, IterationKind, IterationKind, ITERATION_KIND_BITS) 53 54 DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, ITERATED_HASHMAP_OFFSET, NEXT_INDEX_OFFSET) 55 56 DECL_DUMP() 57 }; 58 } // namespace panda::ecmascript 59 #endif // ECMASCRIPT_JS_API_JS_API_HASHMAP_ITERATOR_H