// Copyright 2020 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_TOOLS_V8WINDBG_SRC_LIST_CHUNKS_H_ #define V8_TOOLS_V8WINDBG_SRC_LIST_CHUNKS_H_ #include <crtdbg.h> #include <wrl/implements.h> #include <optional> #include <string> #include <vector> #include "src/base/optional.h" #include "tools/v8windbg/base/utilities.h" #include "tools/v8windbg/src/v8-debug-helper-interop.h" #include "tools/v8windbg/src/v8windbg-extension.h" class ListChunksAlias : public WRL::RuntimeClass< WRL::RuntimeClassFlags<WRL::RuntimeClassType::ClassicCom>, IModelMethod> { public: IFACEMETHOD(Call) (IModelObject* p_context_object, ULONG64 arg_count, _In_reads_(arg_count) IModelObject** pp_arguments, IModelObject** pp_result, IKeyStore** pp_metadata); }; struct ChunkData { ChunkData(); ~ChunkData(); ChunkData(const ChunkData&); ChunkData(ChunkData&&); ChunkData& operator=(const ChunkData&); ChunkData& operator=(ChunkData&&); WRL::ComPtr<IModelObject> area_start; WRL::ComPtr<IModelObject> area_end; WRL::ComPtr<IModelObject> space; }; class MemoryChunkIterator : public WRL::RuntimeClass< WRL::RuntimeClassFlags<WRL::RuntimeClassType::ClassicCom>, IModelIterator> { public: MemoryChunkIterator(WRL::ComPtr<IDebugHostContext>& host_context); ~MemoryChunkIterator() override; HRESULT PopulateChunkData(); IFACEMETHOD(Reset)(); IFACEMETHOD(GetNext) (IModelObject** object, ULONG64 dimensions, IModelObject** indexers, IKeyStore** metadata); const std::vector<ChunkData>& GetChunks() const { return chunks_; } HRESULT GetAt(uint64_t index, IModelObject** result) const; private: ULONG position_ = 0; std::vector<ChunkData> chunks_; WRL::ComPtr<IDebugHostContext> sp_ctx_; }; class MemoryChunks : public WRL::RuntimeClass< WRL::RuntimeClassFlags<WRL::RuntimeClassType::ClassicCom>, IIndexableConcept, IIterableConcept> { public: MemoryChunks(); ~MemoryChunks() override; // IIndexableConcept members IFACEMETHOD(GetDimensionality) (IModelObject* context_object, ULONG64* dimensionality); IFACEMETHOD(GetAt) (IModelObject* context_object, ULONG64 indexer_count, IModelObject** indexers, IModelObject** object, IKeyStore** metadata); IFACEMETHOD(SetAt) (IModelObject* context_object, ULONG64 indexer_count, IModelObject** indexers, IModelObject* value); // IIterableConcept IFACEMETHOD(GetDefaultIndexDimensionality) (IModelObject* context_object, ULONG64* dimensionality); IFACEMETHOD(GetIterator) (IModelObject* context_object, IModelIterator** iterator); private: WRL::ComPtr<MemoryChunkIterator> opt_chunks_; }; #endif // V8_TOOLS_V8WINDBG_SRC_LIST_CHUNKS_H_