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