//===- StoreRef.h - Smart pointer for store objects -------------*- C++ -*-===//
 
//
 
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 
// See https://llvm.org/LICENSE.txt for license information.
 
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
//
 
//===----------------------------------------------------------------------===//
 
//
 
//  This file defined the type StoreRef.
 
//
 
//===----------------------------------------------------------------------===//
 
 
 
#ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_STOREREF_H
 
#define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_STOREREF_H
 
 
 
#include <cassert>
 
 
 
namespace clang {
 
namespace ento {
 
 
 
class StoreManager;
 
 
 
/// Store - This opaque type encapsulates an immutable mapping from
 
///  locations to values.  At a high-level, it represents the symbolic
 
///  memory model.  Different subclasses of StoreManager may choose
 
///  different types to represent the locations and values.
 
using Store = const void *;
 
 
 
class StoreRef {
 
  Store store;
 
  StoreManager &mgr;
 
 
 
public:
 
  StoreRef(Store store, StoreManager &smgr);
 
  StoreRef(const StoreRef &sr);
 
  StoreRef &operator=(StoreRef const &newStore);
 
  ~StoreRef();
 
 
 
  bool operator==(const StoreRef &x) const {
 
    assert(&mgr == &x.mgr);
 
    return x.store == store;
 
  }
 
 
 
  bool operator!=(const StoreRef &x) const { return !operator==(x); }
 
 
 
  Store getStore() const { return store; }
 
  const StoreManager &getStoreManager() const { return mgr; }
 
};
 
 
 
} // namespace ento
 
} // namespace clang
 
 
 
#endif // LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_STOREREF_H