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// -*- 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
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___ASSERT
#define _LIBCPP___ASSERT
#include <__config>
#include <iosfwd> // for std::string
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
#if _LIBCPP_DEBUG_LEVEL >= 1
# define _LIBCPP_ASSERT_IMPL(x, m) ((x) ? (void)0 : ::std::__libcpp_debug_function(::std::__libcpp_debug_info(__FILE__, __LINE__, #x, m)))
#else
# define _LIBCPP_ASSERT_IMPL(x, m) ((void)0)
#endif
// We do this dance because some of our tests re-define _LIBCPP_ASSERT to something else.
// In the future, we should find other ways to test our assertions and disallow re-defining
// _LIBCPP_ASSERT.
#if !defined(_LIBCPP_ASSERT)
# define _LIBCPP_ASSERT(x, m) _LIBCPP_ASSERT_IMPL(x, m)
#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);
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___ASSERT
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