diff options
Diffstat (limited to 'core/fxcrt/cfx_unowned_ptr.h')
-rw-r--r-- | core/fxcrt/cfx_unowned_ptr.h | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/core/fxcrt/cfx_unowned_ptr.h b/core/fxcrt/cfx_unowned_ptr.h index d91833abd4..da1875c7ab 100644 --- a/core/fxcrt/cfx_unowned_ptr.h +++ b/core/fxcrt/cfx_unowned_ptr.h @@ -10,8 +10,6 @@ #include <type_traits> #include <utility> -#include "core/fxcrt/fx_memory.h" - template <class T> class CFX_UnownedPtr { public: @@ -25,21 +23,16 @@ class CFX_UnownedPtr { // NOLINTNEXTLINE(runtime/explicit) CFX_UnownedPtr(std::nullptr_t ptr) {} -#if defined(MEMORY_TOOL_REPLACES_ALLOCATOR) ~CFX_UnownedPtr() { Probe(); } -#endif CFX_UnownedPtr& operator=(T* that) { -#if defined(MEMORY_TOOL_REPLACES_ALLOCATOR) Probe(); -#endif m_pObj = that; return *this; } + CFX_UnownedPtr& operator=(const CFX_UnownedPtr& that) { -#if defined(MEMORY_TOOL_REPLACES_ALLOCATOR) Probe(); -#endif if (*this != that) m_pObj = that.Get(); return *this; @@ -48,27 +41,53 @@ class CFX_UnownedPtr { bool operator==(const CFX_UnownedPtr& that) const { return Get() == that.Get(); } - bool operator==(const T* that) const { return Get() == that; } bool operator!=(const CFX_UnownedPtr& that) const { return !(*this == that); } - bool operator!=(const T* that) const { return !(*this == that); } bool operator<(const CFX_UnownedPtr& that) const { return std::less<T*>()(Get(), that.Get()); } + template <typename U> + bool operator==(const U* that) const { + return Get() == that; + } + + template <typename U> + bool operator!=(const U* that) const { + return !(*this == that); + } + T* Get() const { return m_pObj; } + + T* Release() { + Probe(); + T* pTemp = nullptr; + std::swap(pTemp, m_pObj); + return pTemp; + } + explicit operator bool() const { return !!m_pObj; } T& operator*() const { return *m_pObj; } T* operator->() const { return m_pObj; } private: + inline void Probe() { #if defined(MEMORY_TOOL_REPLACES_ALLOCATOR) - void Probe() { if (m_pObj) reinterpret_cast<const volatile uint8_t*>(m_pObj)[0]; - } #endif + } T* m_pObj = nullptr; }; +template <typename T, typename U> +inline bool operator==(const U* lhs, const CFX_UnownedPtr<T>& rhs) { + return rhs == lhs; +} + +template <typename T, typename U> +inline bool operator!=(const U* lhs, const CFX_UnownedPtr<T>& rhs) { + return rhs != lhs; +} + #endif // CORE_FXCRT_CFX_UNOWNED_PTR_H_ |