libcxx/include/__format/format_error.h

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 // See https://llvm.org/LICENSE.txt for license information.
   6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef _LIBCPP___FORMAT_FORMAT_ERROR_H
  11 #define _LIBCPP___FORMAT_FORMAT_ERROR_H
  12
  13 #include <__config>
  14 #include <__verbose_abort>
  15 #include <stdexcept>
  16
  17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  18 #  pragma GCC system_header
  19 #endif
  20
  21 _LIBCPP_BEGIN_NAMESPACE_STD
  22
  23 #if _LIBCPP_STD_VER >= 20
  24
  25 _LIBCPP_DIAGNOSTIC_PUSH
  26 _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wweak-vtables")
  27 class _LIBCPP_EXPORTED_FROM_ABI format_error : public runtime_error {
  28 public:
  29   _LIBCPP_HIDE_FROM_ABI explicit format_error(const string& __s) : runtime_error(__s) {}
  30   _LIBCPP_HIDE_FROM_ABI explicit format_error(const char* __s) : runtime_error(__s) {}
  31   _LIBCPP_HIDE_FROM_ABI format_error(const format_error&)            = default;
  32   _LIBCPP_HIDE_FROM_ABI format_error& operator=(const format_error&) = default;
  33   _LIBCPP_HIDE_FROM_ABI_VIRTUAL
  34   ~format_error() noexcept override = default;
  35 };
  36 _LIBCPP_DIAGNOSTIC_POP
  37
  38 [[noreturn]] inline _LIBCPP_HIDE_FROM_ABI void __throw_format_error(const char* __s) {
  39 #  if _LIBCPP_HAS_EXCEPTIONS
  40   throw format_error(__s);
  41 #  else
  42   _LIBCPP_VERBOSE_ABORT("format_error was thrown in -fno-exceptions mode with message \"%s\"", __s);
  43 #  endif
  44 }
  45
  46 #endif // _LIBCPP_STD_VER >= 20
  47
  48 _LIBCPP_END_NAMESPACE_STD
  49
  50 #endif // _LIBCPP___FORMAT_FORMAT_ERROR_H