| 1 | //===- StoreRef.h - Smart pointer for store objects -------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This file defined the type StoreRef. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_STOREREF_H |
| 14 | #define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_STOREREF_H |
| 15 | |
| 16 | #include <cassert> |
| 17 | |
| 18 | namespace clang { |
| 19 | namespace ento { |
| 20 | |
| 21 | class StoreManager; |
| 22 | |
| 23 | /// Store - This opaque type encapsulates an immutable mapping from |
| 24 | /// locations to values. At a high-level, it represents the symbolic |
| 25 | /// memory model. Different subclasses of StoreManager may choose |
| 26 | /// different types to represent the locations and values. |
| 27 | using Store = const void *; |
| 28 | |
| 29 | class StoreRef { |
| 30 | Store store; |
| 31 | StoreManager &mgr; |
| 32 | |
| 33 | public: |
| 34 | StoreRef(Store store, StoreManager &smgr); |
| 35 | StoreRef(const StoreRef &sr); |
| 36 | StoreRef &operator=(StoreRef const &newStore); |
| 37 | ~StoreRef(); |
| 38 | |
| 39 | bool operator==(const StoreRef &x) const { |
| 40 | assert(&mgr == &x.mgr); |
| 41 | return x.store == store; |
| 42 | } |
| 43 | |
| 44 | bool operator!=(const StoreRef &x) const { return !operator==(x); } |
| 45 | |
| 46 | Store getStore() const { return store; } |
| 47 | const StoreManager &getStoreManager() const { return mgr; } |
| 48 | }; |
| 49 | |
| 50 | } // namespace ento |
| 51 | } // namespace clang |
| 52 | |
| 53 | #endif // LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_STOREREF_H |
| 54 |