1 /* 2 * Copyright (c) 2025 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_THREAD_ELEMENTS_HCLASS_ENTRIES_H 17 #define ECMASCRIPT_JS_THREAD_ELEMENTS_HCLASS_ENTRIES_H 18 19 #include "ecmascript/elements.h" 20 21 namespace panda::ecmascript { 22 struct ElementsHClassEntries { 23 static constexpr size_t N_ENTRIES = static_cast<size_t>(Elements::KIND_COUNT); 24 struct Entry { 25 GlobalEnvField hclassIdx = GlobalEnvField::INVALID; 26 GlobalEnvField hclassWithProtoIdx = GlobalEnvField::INVALID; 27 }; 28 Entry entries[N_ENTRIES]; 29 30 static constexpr size_t SizeArch32 = sizeof(entries); 31 static constexpr size_t SizeArch64 = sizeof(entries); 32 ElementsHClassEntriesElementsHClassEntries33 ElementsHClassEntries() 34 { 35 for (uint32_t i = 0; i < Elements::KIND_COUNT; ++i) { 36 if ((i & 1) != 0) { 37 entries[i].hclassIdx = GlobalEnvField::ELEMENT_HOLE_TAGGED_HCLASS_INDEX; 38 entries[i].hclassWithProtoIdx = GlobalEnvField::ELEMENT_HOLE_TAGGED_PROTO_HCLASS_INDEX; 39 } else { 40 entries[i].hclassIdx = GlobalEnvField::ELEMENT_TAGGED_HCLASS_INDEX; 41 entries[i].hclassWithProtoIdx = GlobalEnvField::ELEMENT_TAGGED_PROTO_HCLASS_INDEX; 42 } 43 } 44 #define INIT_ARRAY_HCLASS_INDEX_ARRAYS(name) \ 45 entries[Elements::ToUint(ElementsKind::name)] = \ 46 {GlobalEnvField::ELEMENT_##name##_HCLASS_INDEX, GlobalEnvField::ELEMENT_##name##_PROTO_HCLASS_INDEX}; 47 ELEMENTS_KIND_INIT_HCLASS_LIST(INIT_ARRAY_HCLASS_INDEX_ARRAYS) 48 #undef INIT_ARRAY_HCLASS_INDEX_ARRAYS 49 } 50 GetArrayInstanceHClassIndexElementsHClassEntries51 GlobalEnvField GetArrayInstanceHClassIndex(ElementsKind kind, bool isPrototype) const 52 { 53 ASSERT(Elements::ToUint(kind) <= Elements::ToUint(ElementsKind::GENERIC)); 54 auto entry = entries[Elements::ToUint(kind)]; 55 return isPrototype ? entry.hclassWithProtoIdx : entry.hclassIdx; 56 } 57 }; 58 59 STATIC_ASSERT_EQ_ARCH(sizeof(ElementsHClassEntries), ElementsHClassEntries::SizeArch32, 60 ElementsHClassEntries::SizeArch64); 61 } 62 // namespace panda::ecmascript 63 64 #endif // ECMASCRIPT_JS_THREAD_ELEMENTS_HCLASS_ENTRIES_H 65