diff options
Diffstat (limited to 'libcxx/include/__debug')
| -rw-r--r-- | libcxx/include/__debug | 157 |
1 files changed, 73 insertions, 84 deletions
diff --git a/libcxx/include/__debug b/libcxx/include/__debug index a1e21a703224..d3dd202b54ab 100644 --- a/libcxx/include/__debug +++ b/libcxx/include/__debug @@ -7,79 +7,52 @@ // //===----------------------------------------------------------------------===// -#ifndef _LIBCPP_DEBUG_H -#define _LIBCPP_DEBUG_H +#ifndef _LIBCPP___DEBUG +#define _LIBCPP___DEBUG +#include <__assert> #include <__config> -#include <iosfwd> +#include <cstddef> #include <type_traits> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header +# pragma GCC system_header #endif -#if defined(_LIBCPP_HAS_NO_NULLPTR) -# include <cstddef> +// Catch invalid uses of the legacy _LIBCPP_DEBUG toggle. +#if defined(_LIBCPP_DEBUG) && _LIBCPP_DEBUG != 0 && !defined(_LIBCPP_ENABLE_DEBUG_MODE) +# error "Enabling the debug mode now requires having configured the library with support for the debug mode" #endif -#if _LIBCPP_DEBUG_LEVEL >= 1 || defined(_LIBCPP_BUILDING_LIBRARY) -# include <cstddef> -# include <cstdio> -# include <cstdlib> +#if defined(_LIBCPP_ENABLE_DEBUG_MODE) && !defined(_LIBCPP_CXX03_LANG) && !defined(_LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY) +# define _LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY #endif -#if _LIBCPP_DEBUG_LEVEL == 0 -# define _LIBCPP_DEBUG_ASSERT(x, m) ((void)0) -# define _LIBCPP_ASSERT_IMPL(x, m) ((void)0) -#elif _LIBCPP_DEBUG_LEVEL == 1 -# define _LIBCPP_DEBUG_ASSERT(x, m) ((void)0) -# define _LIBCPP_ASSERT_IMPL(x, m) ((x) ? (void)0 : _VSTD::__libcpp_debug_function(_VSTD::__libcpp_debug_info(__FILE__, __LINE__, #x, m))) -#elif _LIBCPP_DEBUG_LEVEL == 2 -# define _LIBCPP_DEBUG_ASSERT(x, m) _LIBCPP_ASSERT(__libcpp_is_constant_evaluated() || (x), m) -# define _LIBCPP_ASSERT_IMPL(x, m) ((x) ? (void)0 : _VSTD::__libcpp_debug_function(_VSTD::__libcpp_debug_info(__FILE__, __LINE__, #x, m))) +// TODO: Define this as a function instead +#if defined(_LIBCPP_DEBUG_RANDOMIZE_UNSPECIFIED_STABILITY) +# if defined(_LIBCPP_CXX03_LANG) +# error Support for unspecified stability is only for C++11 and higher +# endif +# define _LIBCPP_DEBUG_RANDOMIZE_RANGE(__first, __last) \ + do { \ + if (!__builtin_is_constant_evaluated()) \ + std::shuffle(__first, __last, __libcpp_debug_randomizer()); \ + } while (false) #else -# error _LIBCPP_DEBUG_LEVEL must be one of 0, 1, 2 +# define _LIBCPP_DEBUG_RANDOMIZE_RANGE(__first, __last) \ + do { \ + } while (false) #endif -#if !defined(_LIBCPP_ASSERT) -# define _LIBCPP_ASSERT(x, m) _LIBCPP_ASSERT_IMPL(x, m) +#ifdef _LIBCPP_ENABLE_DEBUG_MODE +# define _LIBCPP_DEBUG_ASSERT(x, m) _LIBCPP_ASSERT(::std::__libcpp_is_constant_evaluated() || (x), m) +#else +# define _LIBCPP_DEBUG_ASSERT(x, m) ((void)0) #endif -_LIBCPP_BEGIN_NAMESPACE_STD - -struct _LIBCPP_TEMPLATE_VIS __libcpp_debug_info { - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR - __libcpp_debug_info() - : __file_(nullptr), __line_(-1), __pred_(nullptr), __msg_(nullptr) {} - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR - __libcpp_debug_info(const char* __f, int __l, const char* __p, const char* __m) - : __file_(__f), __line_(__l), __pred_(__p), __msg_(__m) {} - - _LIBCPP_FUNC_VIS string what() const; - - const char* __file_; - int __line_; - const char* __pred_; - const char* __msg_; -}; - -/// __libcpp_debug_function_type - The type of the assertion failure handler. -typedef void(*__libcpp_debug_function_type)(__libcpp_debug_info const&); - -/// __libcpp_debug_function - The handler function called when a _LIBCPP_ASSERT -/// fails. -extern _LIBCPP_EXPORTED_FROM_ABI __libcpp_debug_function_type __libcpp_debug_function; - -/// __libcpp_abort_debug_function - A debug handler that aborts when called. -_LIBCPP_NORETURN _LIBCPP_FUNC_VIS -void __libcpp_abort_debug_function(__libcpp_debug_info const&); - -/// __libcpp_set_debug_function - Set the debug handler to the specified -/// function. -_LIBCPP_FUNC_VIS -bool __libcpp_set_debug_function(__libcpp_debug_function_type __func); +#if defined(_LIBCPP_ENABLE_DEBUG_MODE) || defined(_LIBCPP_BUILDING_LIBRARY) -#if _LIBCPP_DEBUG_LEVEL == 2 || defined(_LIBCPP_BUILDING_LIBRARY) +_LIBCPP_BEGIN_NAMESPACE_STD struct _LIBCPP_TYPE_VIS __c_node; @@ -89,15 +62,9 @@ struct _LIBCPP_TYPE_VIS __i_node __i_node* __next_; __c_node* __c_; -#ifndef _LIBCPP_CXX03_LANG __i_node(const __i_node&) = delete; __i_node& operator=(const __i_node&) = delete; -#else -private: - __i_node(const __i_node&); - __i_node& operator=(const __i_node&); -public: -#endif + _LIBCPP_INLINE_VISIBILITY __i_node(void* __i, __i_node* __next, __c_node* __c) : __i_(__i), __next_(__next), __c_(__c) {} @@ -112,17 +79,11 @@ struct _LIBCPP_TYPE_VIS __c_node __i_node** end_; __i_node** cap_; -#ifndef _LIBCPP_CXX03_LANG __c_node(const __c_node&) = delete; __c_node& operator=(const __c_node&) = delete; -#else -private: - __c_node(const __c_node&); - __c_node& operator=(const __c_node&); -public: -#endif + _LIBCPP_INLINE_VISIBILITY - __c_node(void* __c, __c_node* __next) + explicit __c_node(void* __c, __c_node* __next) : __c_(__c), __next_(__next), beg_(nullptr), end_(nullptr), cap_(nullptr) {} virtual ~__c_node(); @@ -139,7 +100,7 @@ template <class _Cont> struct _C_node : public __c_node { - _C_node(void* __c, __c_node* __n) + explicit _C_node(void* __c, __c_node* __n) : __c_node(__c, __n) {} virtual bool __dereferenceable(const void*) const; @@ -197,17 +158,11 @@ class _LIBCPP_TYPE_VIS __libcpp_db __i_node** __iend_; size_t __isz_; - __libcpp_db(); + explicit __libcpp_db(); public: -#ifndef _LIBCPP_CXX03_LANG __libcpp_db(const __libcpp_db&) = delete; __libcpp_db& operator=(const __libcpp_db&) = delete; -#else -private: - __libcpp_db(const __libcpp_db&); - __libcpp_db& operator=(const __libcpp_db&); -public: -#endif + ~__libcpp_db(); class __db_c_iterator; @@ -266,12 +221,15 @@ private: _LIBCPP_FUNC_VIS __libcpp_db* __get_db(); _LIBCPP_FUNC_VIS const __libcpp_db* __get_const_db(); +_LIBCPP_END_NAMESPACE_STD -#endif // _LIBCPP_DEBUG_LEVEL == 2 || defined(_LIBCPP_BUILDING_LIBRARY) +#endif // defined(_LIBCPP_ENABLE_DEBUG_MODE) || defined(_LIBCPP_BUILDING_LIBRARY) + +_LIBCPP_BEGIN_NAMESPACE_STD template <class _Tp> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 inline void __debug_db_insert_c(_Tp* __c) { -#if _LIBCPP_DEBUG_LEVEL == 2 +#ifdef _LIBCPP_ENABLE_DEBUG_MODE if (!__libcpp_is_constant_evaluated()) __get_db()->__insert_c(__c); #else @@ -281,7 +239,7 @@ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 inline void __debug_db_inser template <class _Tp> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 inline void __debug_db_insert_i(_Tp* __i) { -#if _LIBCPP_DEBUG_LEVEL == 2 +#ifdef _LIBCPP_ENABLE_DEBUG_MODE if (!__libcpp_is_constant_evaluated()) __get_db()->__insert_i(__i); #else @@ -289,6 +247,37 @@ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 inline void __debug_db_inser #endif } +template <class _Tp> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 inline void __debug_db_erase_c(_Tp* __c) { +#ifdef _LIBCPP_ENABLE_DEBUG_MODE + if (!__libcpp_is_constant_evaluated()) + __get_db()->__erase_c(__c); +#else + (void)(__c); +#endif +} + +template <class _Tp> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 inline void __debug_db_swap(_Tp* __lhs, _Tp* __rhs) { +#ifdef _LIBCPP_ENABLE_DEBUG_MODE + if (!__libcpp_is_constant_evaluated()) + __get_db()->swap(__lhs, __rhs); +#else + (void)(__lhs); + (void)(__rhs); +#endif +} + +template <class _Tp> +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 inline void __debug_db_invalidate_all(_Tp* __c) { +#ifdef _LIBCPP_ENABLE_DEBUG_MODE + if (!__libcpp_is_constant_evaluated()) + __get_db()->__invalidate_all(__c); +#else + (void)(__c); +#endif +} + _LIBCPP_END_NAMESPACE_STD -#endif // _LIBCPP_DEBUG_H +#endif // _LIBCPP___DEBUG |