| /* |
| * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license |
| * that can be found in the LICENSE file. |
| */ |
| |
| #ifndef RUNTIME_POINTER_BITS_H |
| #define RUNTIME_POINTER_BITS_H |
| |
| #include <cstdint> |
| |
| #include "Common.h" |
| |
| template <typename T> |
| ALWAYS_INLINE T* setPointerBits(T* ptr, unsigned bits) { |
| return reinterpret_cast<T*>(reinterpret_cast<uintptr_t>(ptr) | bits); |
| } |
| |
| template <typename T> |
| ALWAYS_INLINE T* clearPointerBits(T* ptr, unsigned bits) { |
| return reinterpret_cast<T*>(reinterpret_cast<uintptr_t>(ptr) & ~static_cast<uintptr_t>(bits)); |
| } |
| |
| template <typename T> |
| ALWAYS_INLINE unsigned getPointerBits(T* ptr, unsigned bits) { |
| return reinterpret_cast<uintptr_t>(ptr) & static_cast<uintptr_t>(bits); |
| } |
| |
| template <typename T> |
| ALWAYS_INLINE bool hasPointerBits(T* ptr, unsigned bits) { |
| return getPointerBits(ptr, bits) != 0; |
| } |
| |
| #endif // RUNTIME_POINTER_BITS_H |
