48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
//===- EntityId.h -----------------------------------------------*- 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 defines the EntityId class, which provides a lightweight opaque
|
|
// handle to entities in an EntityIdTable. EntityIds are index-based for
|
|
// efficient comparison and lookup.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CLANG_ANALYSIS_SCALABLE_MODEL_ENTITY_ID_H
|
|
#define LLVM_CLANG_ANALYSIS_SCALABLE_MODEL_ENTITY_ID_H
|
|
|
|
#include <cstddef>
|
|
|
|
namespace clang::ssaf {
|
|
|
|
class EntityIdTable;
|
|
|
|
/// Lightweight opaque handle representing an entity in an EntityIdTable.
|
|
///
|
|
/// EntityIds are created by EntityIdTable. Equality and ordering comparisons
|
|
/// are well-defined for EntityIds created by the same EntityIdTable.
|
|
///
|
|
/// \see EntityIdTable
|
|
class EntityId {
|
|
friend class EntityIdTable;
|
|
|
|
size_t Index;
|
|
|
|
explicit EntityId(size_t Index) : Index(Index) {}
|
|
|
|
EntityId() = delete;
|
|
|
|
public:
|
|
bool operator==(const EntityId &Other) const { return Index == Other.Index; }
|
|
bool operator<(const EntityId &Other) const { return Index < Other.Index; }
|
|
bool operator!=(const EntityId &Other) const { return !(*this == Other); }
|
|
};
|
|
|
|
} // namespace clang::ssaf
|
|
|
|
#endif // LLVM_CLANG_ANALYSIS_SCALABLE_MODEL_ENTITY_ID_H
|