//===----------------------------------------------------------------------===//

//

// 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

//

//===----------------------------------------------------------------------===//

#include <__config>

#include <cstdio>

#include <cstdlib>

#include <string>

// This file defines the legacy default debug handler and related mechanisms

// to set it. This is for backwards ABI compatibility with code that has been

// using this debug handler previously.

_LIBCPP_BEGIN_NAMESPACE_STD

struct _LIBCPP_TEMPLATE_VIS __libcpp_debug_info {

  _LIBCPP_EXPORTED_FROM_ABI string what() const;

  const char* __file_;

  int __line_;

  const char* __pred_;

  const char* __msg_;

};

std::string __libcpp_debug_info::what() const {

  string msg = __file_;

  msg += ":" + std::to_string(__line_) + ": _LIBCPP_ASSERT '";

  msg += __pred_;

  msg += "' failed. ";

  msg += __msg_;

  return msg;

}

_LIBCPP_NORETURN _LIBCPP_EXPORTED_FROM_ABI void __libcpp_abort_debug_function(__libcpp_debug_info const& info) {

  std::fprintf(stderr, "%s\n", info.what().c_str());

  std::abort();

}

typedef void (*__libcpp_debug_function_type)(__libcpp_debug_info const&);

_LIBCPP_EXPORTED_FROM_ABI

constinit __libcpp_debug_function_type __libcpp_debug_function = __libcpp_abort_debug_function;

_LIBCPP_EXPORTED_FROM_ABI

bool __libcpp_set_debug_function(__libcpp_debug_function_type __func) {

  __libcpp_debug_function = __func;

  return true;

}

_LIBCPP_END_NAMESPACE_STD