Gecko [ 0.0.0.0 ]

Name	Size	Permission
algorithmfwd.h	24.05 KB	-rw-r--r--
align.h	3.62 KB	-rw-r--r--
alloc_traits.h	31.4 KB	-rw-r--r--
allocated_ptr.h	3.25 KB	-rw-r--r--
allocator.h	8.61 KB	-rw-r--r--
atomic_base.h	60.9 KB	-rw-r--r--
atomic_futex.h	12.19 KB	-rw-r--r--
atomic_lockfree_defines.h	2.3 KB	-rw-r--r--
atomic_timed_wait.h	13.18 KB	-rw-r--r--
atomic_wait.h	12.33 KB	-rw-r--r--
basic_ios.h	15.85 KB	-rw-r--r--
basic_ios.tcc	5.67 KB	-rw-r--r--
basic_string.h	161.58 KB	-rw-r--r--
basic_string.tcc	30.7 KB	-rw-r--r--
boost_concept_check.h	29.13 KB	-rw-r--r--
c++0x_warning.h	1.44 KB	-rw-r--r--
char_traits.h	28.54 KB	-rw-r--r--
charconv.h	3.58 KB	-rw-r--r--
chrono.h	47.09 KB	-rw-r--r--
chrono_io.h	126.98 KB	-rw-r--r--
codecvt.h	24.9 KB	-rw-r--r--
concept_check.h	3.32 KB	-rw-r--r--
cow_string.h	134.11 KB	-rw-r--r--
cpp_type_traits.h	14.54 KB	-rw-r--r--
cxxabi_forced.h	1.77 KB	-rw-r--r--
cxxabi_init_exception.h	2.17 KB	-rw-r--r--
deque.tcc	41.43 KB	-rw-r--r--
elements_of.h	2.13 KB	-rw-r--r--
enable_special_members.h	12.16 KB	-rw-r--r--
erase_if.h	2.08 KB	-rw-r--r--
exception.h	2.41 KB	-rw-r--r--
exception_defines.h	1.61 KB	-rw-r--r--
exception_ptr.h	8.02 KB	-rw-r--r--
forward_list.h	50 KB	-rw-r--r--
forward_list.tcc	13.71 KB	-rw-r--r--
fs_dir.h	17.94 KB	-rw-r--r--
fs_fwd.h	10.91 KB	-rw-r--r--
fs_ops.h	10.49 KB	-rw-r--r--
fs_path.h	41.47 KB	-rw-r--r--
fstream.tcc	32.64 KB	-rw-r--r--
functexcept.h	4.17 KB	-rw-r--r--
functional_hash.h	8.79 KB	-rw-r--r--
gslice.h	5.52 KB	-rw-r--r--
gslice_array.h	7.71 KB	-rw-r--r--
hash_bytes.h	2.1 KB	-rw-r--r--
hashtable.h	88.15 KB	-rw-r--r--
hashtable_policy.h	64.73 KB	-rw-r--r--
indirect_array.h	7.72 KB	-rw-r--r--
invoke.h	6.08 KB	-rw-r--r--
ios_base.h	32.29 KB	-rw-r--r--
istream.tcc	32.16 KB	-rw-r--r--
iterator_concepts.h	34.38 KB	-rw-r--r--
list.tcc	17.63 KB	-rw-r--r--
locale_classes.h	25.15 KB	-rw-r--r--
locale_classes.tcc	10.76 KB	-rw-r--r--
locale_conv.h	18.74 KB	-rw-r--r--
locale_facets.h	92.12 KB	-rw-r--r--
locale_facets.tcc	40.61 KB	-rw-r--r--
locale_facets_nonio.h	69.1 KB	-rw-r--r--
locale_facets_nonio.tcc	55.86 KB	-rw-r--r--
localefwd.h	5.8 KB	-rw-r--r--
mask_array.h	7.77 KB	-rw-r--r--
max_size_type.h	22 KB	-rw-r--r--
memory_resource.h	15.8 KB	-rw-r--r--
memoryfwd.h	2.5 KB	-rw-r--r--
mofunc_impl.h	7.45 KB	-rw-r--r--
move.h	7.62 KB	-rw-r--r--
move_only_function.h	6.15 KB	-rw-r--r--
nested_exception.h	7.51 KB	-rw-r--r--
new_allocator.h	7.31 KB	-rw-r--r--
node_handle.h	11.1 KB	-rw-r--r--
ostream.tcc	12.02 KB	-rw-r--r--
ostream_insert.h	3.98 KB	-rw-r--r--
out_ptr.h	14.14 KB	-rw-r--r--
parse_numbers.h	7.8 KB	-rw-r--r--
postypes.h	7.33 KB	-rw-r--r--
predefined_ops.h	9.94 KB	-rw-r--r--
ptr_traits.h	8.05 KB	-rw-r--r--
quoted_string.h	5.01 KB	-rw-r--r--
random.h	181.57 KB	-rw-r--r--
random.tcc	103.49 KB	-rw-r--r--
range_access.h	11.66 KB	-rw-r--r--
ranges_algo.h	129.22 KB	-rw-r--r--
ranges_algobase.h	18.63 KB	-rw-r--r--
ranges_base.h	28.99 KB	-rw-r--r--
ranges_cmp.h	5.74 KB	-rw-r--r--
ranges_uninitialized.h	17.71 KB	-rw-r--r--
ranges_util.h	25.84 KB	-rw-r--r--
refwrap.h	15.05 KB	-rw-r--r--
regex.h	104.49 KB	-rw-r--r--
regex.tcc	16.1 KB	-rw-r--r--
regex_automaton.h	10.55 KB	-rw-r--r--
regex_automaton.tcc	7.6 KB	-rw-r--r--
regex_compiler.h	15.92 KB	-rw-r--r--
regex_compiler.tcc	18.48 KB	-rw-r--r--
regex_constants.h	14.77 KB	-rw-r--r--
regex_error.h	5.35 KB	-rw-r--r--
regex_executor.h	8.81 KB	-rw-r--r--
regex_executor.tcc	18.49 KB	-rw-r--r--
regex_scanner.h	6.88 KB	-rw-r--r--
regex_scanner.tcc	14.59 KB	-rw-r--r--
requires_hosted.h	1.36 KB	-rw-r--r--
sat_arith.h	4.64 KB	-rw-r--r--
semaphore_base.h	7.7 KB	-rw-r--r--
shared_ptr.h	38.26 KB	-rw-r--r--
shared_ptr_atomic.h	24.12 KB	-rw-r--r--
shared_ptr_base.h	65.58 KB	-rw-r--r--
slice_array.h	9.39 KB	-rw-r--r--
specfun.h	46.09 KB	-rw-r--r--
sstream.tcc	9.91 KB	-rw-r--r--
std_abs.h	4.63 KB	-rw-r--r--
std_function.h	23.35 KB	-rw-r--r--
std_mutex.h	6.73 KB	-rw-r--r--
std_thread.h	10.02 KB	-rw-r--r--
stl_algo.h	210.46 KB	-rw-r--r--
stl_algobase.h	79.62 KB	-rw-r--r--
stl_bvector.h	41.68 KB	-rw-r--r--
stl_construct.h	8.61 KB	-rw-r--r--
stl_deque.h	76.46 KB	-rw-r--r--
stl_function.h	44.2 KB	-rw-r--r--
stl_heap.h	20.38 KB	-rw-r--r--
stl_iterator.h	93.68 KB	-rw-r--r--
stl_iterator_base_funcs.h	8.75 KB	-rw-r--r--
stl_iterator_base_types.h	9.48 KB	-rw-r--r--
stl_list.h	70.78 KB	-rw-r--r--
stl_map.h	54.84 KB	-rw-r--r--
stl_multimap.h	42.71 KB	-rw-r--r--
stl_multiset.h	36.87 KB	-rw-r--r--
stl_numeric.h	14.25 KB	-rw-r--r--
stl_pair.h	43.42 KB	-rw-r--r--
stl_queue.h	28.04 KB	-rw-r--r--
stl_raw_storage_iter.h	3.91 KB	-rw-r--r--
stl_relops.h	4.47 KB	-rw-r--r--
stl_set.h	37.13 KB	-rw-r--r--
stl_stack.h	13.7 KB	-rw-r--r--
stl_tempbuf.h	10.17 KB	-rw-r--r--
stl_tree.h	72.02 KB	-rw-r--r--
stl_uninitialized.h	35.65 KB	-rw-r--r--
stl_vector.h	69.15 KB	-rw-r--r--
stream_iterator.h	8.2 KB	-rw-r--r--
streambuf.tcc	4.58 KB	-rw-r--r--
streambuf_iterator.h	15.57 KB	-rw-r--r--
string_view.tcc	7 KB	-rw-r--r--
stringfwd.h	2.56 KB	-rw-r--r--
text_encoding-data.h	24.3 KB	-rw-r--r--
this_thread_sleep.h	3.21 KB	-rw-r--r--
unicode-data.h	25.4 KB	-rw-r--r--
unicode.h	29.66 KB	-rw-r--r--
uniform_int_dist.h	13 KB	-rw-r--r--
unique_lock.h	6.32 KB	-rw-r--r--
unique_ptr.h	35.96 KB	-rw-r--r--
unordered_map.h	75.45 KB	-rw-r--r--
unordered_set.h	61.91 KB	-rw-r--r--
uses_allocator.h	6.91 KB	-rw-r--r--
uses_allocator_args.h	8.52 KB	-rw-r--r--
utility.h	8.55 KB	-rw-r--r--
valarray_after.h	22.74 KB	-rw-r--r--
valarray_array.h	20.8 KB	-rw-r--r--
valarray_array.tcc	7.08 KB	-rw-r--r--
valarray_before.h	18.69 KB	-rw-r--r--
vector.tcc	37.12 KB	-rw-r--r--
version.h	79.04 KB	-rw-r--r--

Code Editor : nested_exception.h

// Nested Exception support header (nested_exception class) for -*- C++ -*-

// Copyright (C) 2009-2024 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file bits/nested_exception.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{exception}
 */

#ifndef _GLIBCXX_NESTED_EXCEPTION_H
#define _GLIBCXX_NESTED_EXCEPTION_H 1

#if __cplusplus < 201103L
# include <bits/c++0x_warning.h>
#else

#include <bits/move.h>
#include <bits/exception_ptr.h>

extern "C++" {

namespace std _GLIBCXX_VISIBILITY(default)
{
  /**
   * @addtogroup exceptions
   * @{
   */

/** Mixin class that stores the current exception.
   *
   * This type can be used via `std::throw_with_nested` to store
   * the current exception nested within another exception.
   *
   * @headerfile exception
   * @since C++11
   * @see std::throw_with_nested
   * @ingroup exceptions
   */
  class nested_exception
  {
    exception_ptr _M_ptr;

public:
    /// The default constructor stores the current exception (if any).
    nested_exception() noexcept : _M_ptr(current_exception()) { }

nested_exception(const nested_exception&) noexcept = default;

nested_exception& operator=(const nested_exception&) noexcept = default;

virtual ~nested_exception() noexcept;

/// Rethrow the stored exception, or terminate if none was stored.
    [[noreturn]]
    void
    rethrow_nested() const
    {
      if (_M_ptr)
	rethrow_exception(_M_ptr);
      std::terminate();
    }

/// Access the stored exception.
    exception_ptr
    nested_ptr() const noexcept
    { return _M_ptr; }
  };

/// @cond undocumented

template<typename _Except>
    struct _Nested_exception : public _Except, public nested_exception
    {
      explicit _Nested_exception(const _Except& __ex)
      : _Except(__ex)
      { }

explicit _Nested_exception(_Except&& __ex)
      : _Except(static_cast<_Except&&>(__ex))
      { }
    };

#if __cplusplus < 201703L || ! defined __cpp_if_constexpr
  // [except.nested]/8
  // Throw an exception of unspecified type that is publicly derived from
  // both remove_reference_t<_Tp> and nested_exception.
  template<typename _Tp>
    [[noreturn]]
    inline void
    __throw_with_nested_impl(_Tp&& __t, true_type)
    {
      throw _Nested_exception<__remove_cvref_t<_Tp>>{std::forward<_Tp>(__t)};
    }

template<typename _Tp>
    [[noreturn]]
    inline void
    __throw_with_nested_impl(_Tp&& __t, false_type)
    { throw std::forward<_Tp>(__t); }
#endif

/// @endcond

/** Throw an exception that also stores the currently active exception.
   *
   * If `_Tp` is derived from `std::nested_exception` or is not usable
   * as a base-class, throws a copy of `__t`.
   * Otherwise, throws an object of an implementation-defined type derived
   * from both `_Tp` and `std::nested_exception`, containing a copy of `__t`
   * and the result of `std::current_exception()`.
   *
   * In other words, throws the argument as a new exception that contains
   * the currently active exception nested within it. This is intended for
   * use in a catch handler to replace the caught exception with a different
   * type, while still preserving the original exception. When the new
   * exception is caught, the nested exception can be rethrown by using
   * `std::rethrow_if_nested`.
   *
   * This can be used at API boundaries, for example to catch a library's
   * internal exception type and rethrow it nested with a `std::runtime_error`,
   * or vice versa.
   *
   * @since C++11
   */
  template<typename _Tp>
    [[noreturn]]
    inline void
    throw_with_nested(_Tp&& __t)
    {
      using _Up = typename decay<_Tp>::type;
      using _CopyConstructible
	= __and_<is_copy_constructible<_Up>, is_move_constructible<_Up>>;
      static_assert(_CopyConstructible::value,
	  "throw_with_nested argument must be CopyConstructible");

#if __cplusplus >= 201703L && __cpp_if_constexpr
      if constexpr (is_class_v<_Up>)
	if constexpr (!is_final_v<_Up>)
	  if constexpr (!is_base_of_v<nested_exception, _Up>)
	    throw _Nested_exception<_Up>{std::forward<_Tp>(__t)};
      throw std::forward<_Tp>(__t);
#else
      using __nest = __and_<is_class<_Up>, __bool_constant<!__is_final(_Up)>,
			    __not_<is_base_of<nested_exception, _Up>>>;
      std::__throw_with_nested_impl(std::forward<_Tp>(__t), __nest{});
#endif
    }

#if __cplusplus < 201703L || ! defined __cpp_if_constexpr
  /// @cond undocumented

// Attempt dynamic_cast to nested_exception and call rethrow_nested().
  template<typename _Ex>
    inline void
    __rethrow_if_nested_impl(const _Ex* __ptr, true_type)
    {
      if (auto __ne_ptr = dynamic_cast<const nested_exception*>(__ptr))
	__ne_ptr->rethrow_nested();
    }

// Otherwise, no effects.
  inline void
  __rethrow_if_nested_impl(const void*, false_type)
  { }

/// @endcond
#endif

/** Rethrow a nested exception
   *
   * If `__ex` contains a `std::nested_exception` object, call its
   * `rethrow_nested()` member to rethrow the stored exception.
   *
   * After catching an exception thrown by a call to `std::throw_with_nested`
   * this function can be used to rethrow the exception that was active when
   * `std::throw_with_nested` was called.
   *
   * @since C++11
   */
  // _GLIBCXX_RESOLVE_LIB_DEFECTS
  // 2484. rethrow_if_nested() is doubly unimplementable
  // 2784. Resolution to LWG 2484 is missing "otherwise, no effects" and [...]
  template<typename _Ex>
# if ! __cpp_rtti
    [[__gnu__::__always_inline__]]
#endif
    inline void
    rethrow_if_nested(const _Ex& __ex)
    {
      const _Ex* __ptr = __builtin_addressof(__ex);
#if __cplusplus < 201703L || ! defined __cpp_if_constexpr
# if __cpp_rtti
      using __cast = __and_<is_polymorphic<_Ex>,
			    __or_<__not_<is_base_of<nested_exception, _Ex>>,
				  is_convertible<_Ex*, nested_exception*>>>;
# else
      using __cast = __and_<is_polymorphic<_Ex>,
			    is_base_of<nested_exception, _Ex>,
			    is_convertible<_Ex*, nested_exception*>>;
# endif
      std::__rethrow_if_nested_impl(__ptr, __cast{});
#else
      if constexpr (!is_polymorphic_v<_Ex>)
	return;
      else if constexpr (is_base_of_v<nested_exception, _Ex>
			 && !is_convertible_v<_Ex*, nested_exception*>)
	return; // nested_exception base class is inaccessible or ambiguous.
# if ! __cpp_rtti
      else if constexpr (!is_base_of_v<nested_exception, _Ex>)
	return; // Cannot do polymorphic casts without RTTI.
# endif
      else if (auto __ne_ptr = dynamic_cast<const nested_exception*>(__ptr))
	__ne_ptr->rethrow_nested();
#endif
    }

/// @} group exceptions
} // namespace std

} // extern "C++"

#endif // C++11
#endif // _GLIBCXX_NESTED_EXCEPTION_H

${this.title}

Code Editor : nested_exception.h