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_MEM_HEAP_VERIFICATION_H 17 #define ECMASCRIPT_MEM_HEAP_VERIFICATION_H 18 19 #include <cstdint> 20 21 #include "ecmascript/mem/heap.h" 22 #include "ecmascript/mem/object_xray.h" 23 #include "ecmascript/mem/mem.h" 24 #include "ecmascript/mem/slots.h" 25 26 namespace panda::ecmascript { 27 // Verify the object body 28 // NOLINTNEXTLINE(cppcoreguidelines-special-member-functions, hicpp-special-member-functions) 29 class VerifyObjectVisitor { 30 public: VerifyObjectVisitor(const Heap * heap,size_t * failCount)31 VerifyObjectVisitor(const Heap *heap, size_t *failCount) 32 : heap_(heap), failCount_(failCount), objXRay_(heap->GetEcmaVM()) 33 { 34 } 35 ~VerifyObjectVisitor() = default; 36 operator()37 void operator()(TaggedObject *obj) 38 { 39 VisitAllObjects(obj); 40 } 41 GetFailedCount()42 size_t GetFailedCount() const 43 { 44 return *failCount_; 45 } 46 47 private: 48 void VisitAllObjects(TaggedObject *obj); 49 50 const Heap* const heap_ {nullptr}; 51 size_t* const failCount_ {nullptr}; 52 ObjectXRay objXRay_; 53 }; 54 55 class Verification { 56 public: Verification(const Heap * heap)57 explicit Verification(const Heap *heap) : heap_(heap), objXRay_(heap->GetEcmaVM()) {} 58 ~Verification() = default; 59 VerifyAll()60 size_t VerifyAll() const 61 { 62 size_t result = VerifyRoot(); 63 result += VerifyHeap(); 64 return result; 65 } 66 67 size_t VerifyRoot() const; 68 size_t VerifyHeap() const; 69 private: 70 NO_COPY_SEMANTIC(Verification); 71 NO_MOVE_SEMANTIC(Verification); 72 73 const Heap *heap_ {nullptr}; 74 ObjectXRay objXRay_; 75 }; 76 } // namespace panda::ecmascript 77 78 #endif // ECMASCRIPT_MEM_HEAP_VERIFICATION_H 79