forked from OSchip/llvm-project
70 lines
2.3 KiB
Plaintext
70 lines
2.3 KiB
Plaintext
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// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ASSERT
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#define _LIBCPP___ASSERT
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#include <__config>
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#include <iosfwd> // for std::string
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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#if _LIBCPP_DEBUG_LEVEL >= 1
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# define _LIBCPP_ASSERT_IMPL(x, m) ((x) ? (void)0 : ::std::__libcpp_debug_function(::std::__libcpp_debug_info(__FILE__, __LINE__, #x, m)))
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#else
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# define _LIBCPP_ASSERT_IMPL(x, m) ((void)0)
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#endif
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// We do this dance because some of our tests re-define _LIBCPP_ASSERT to something else.
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// In the future, we should find other ways to test our assertions and disallow re-defining
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// _LIBCPP_ASSERT.
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#if !defined(_LIBCPP_ASSERT)
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# define _LIBCPP_ASSERT(x, m) _LIBCPP_ASSERT_IMPL(x, m)
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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struct _LIBCPP_TEMPLATE_VIS __libcpp_debug_info {
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
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__libcpp_debug_info()
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: __file_(nullptr), __line_(-1), __pred_(nullptr), __msg_(nullptr) {}
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
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__libcpp_debug_info(const char* __f, int __l, const char* __p, const char* __m)
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: __file_(__f), __line_(__l), __pred_(__p), __msg_(__m) {}
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_LIBCPP_FUNC_VIS string what() const;
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const char* __file_;
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int __line_;
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const char* __pred_;
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const char* __msg_;
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};
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/// __libcpp_debug_function_type - The type of the assertion failure handler.
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typedef void(*__libcpp_debug_function_type)(__libcpp_debug_info const&);
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/// __libcpp_debug_function - The handler function called when a _LIBCPP_ASSERT
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/// fails.
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extern _LIBCPP_EXPORTED_FROM_ABI __libcpp_debug_function_type __libcpp_debug_function;
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/// __libcpp_abort_debug_function - A debug handler that aborts when called.
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_LIBCPP_NORETURN _LIBCPP_FUNC_VIS
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void __libcpp_abort_debug_function(__libcpp_debug_info const&);
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/// __libcpp_set_debug_function - Set the debug handler to the specified
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/// function.
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_LIBCPP_FUNC_VIS
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bool __libcpp_set_debug_function(__libcpp_debug_function_type __func);
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___ASSERT
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