8d9254fc8a
From-SVN: r279813
308 lines
9.6 KiB
C++
308 lines
9.6 KiB
C++
// Standard exception classes -*- C++ -*-
|
|
|
|
// Copyright (C) 2001-2020 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 include/stdexcept
|
|
* This is a Standard C++ Library header.
|
|
*/
|
|
|
|
//
|
|
// ISO C++ 19.1 Exception classes
|
|
//
|
|
|
|
#ifndef _GLIBCXX_STDEXCEPT
|
|
#define _GLIBCXX_STDEXCEPT 1
|
|
|
|
#pragma GCC system_header
|
|
|
|
#include <exception>
|
|
#include <string>
|
|
|
|
namespace std _GLIBCXX_VISIBILITY(default)
|
|
{
|
|
_GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|
|
|
#if _GLIBCXX_USE_DUAL_ABI
|
|
#if _GLIBCXX_USE_CXX11_ABI
|
|
// Emulates an old COW string when the new std::string is in use.
|
|
struct __cow_string
|
|
{
|
|
union {
|
|
const char* _M_p;
|
|
char _M_bytes[sizeof(const char*)];
|
|
};
|
|
|
|
__cow_string();
|
|
__cow_string(const std::string&);
|
|
__cow_string(const char*, size_t);
|
|
__cow_string(const __cow_string&) _GLIBCXX_NOTHROW;
|
|
__cow_string& operator=(const __cow_string&) _GLIBCXX_NOTHROW;
|
|
~__cow_string();
|
|
#if __cplusplus >= 201103L
|
|
__cow_string(__cow_string&&) noexcept;
|
|
__cow_string& operator=(__cow_string&&) noexcept;
|
|
#endif
|
|
};
|
|
|
|
typedef basic_string<char> __sso_string;
|
|
#else // _GLIBCXX_USE_CXX11_ABI
|
|
typedef basic_string<char> __cow_string;
|
|
|
|
// Emulates a new SSO string when the old std::string is in use.
|
|
struct __sso_string
|
|
{
|
|
struct __str
|
|
{
|
|
const char* _M_p;
|
|
size_t _M_string_length;
|
|
char _M_local_buf[16];
|
|
};
|
|
|
|
union {
|
|
__str _M_s;
|
|
char _M_bytes[sizeof(__str)];
|
|
};
|
|
|
|
__sso_string() _GLIBCXX_NOTHROW;
|
|
__sso_string(const std::string&);
|
|
__sso_string(const char*, size_t);
|
|
__sso_string(const __sso_string&);
|
|
__sso_string& operator=(const __sso_string&);
|
|
~__sso_string();
|
|
#if __cplusplus >= 201103L
|
|
__sso_string(__sso_string&&) noexcept;
|
|
__sso_string& operator=(__sso_string&&) noexcept;
|
|
#endif
|
|
};
|
|
#endif // _GLIBCXX_USE_CXX11_ABI
|
|
#else // _GLIBCXX_USE_DUAL_ABI
|
|
typedef basic_string<char> __sso_string;
|
|
typedef basic_string<char> __cow_string;
|
|
#endif
|
|
|
|
/**
|
|
* @addtogroup exceptions
|
|
* @{
|
|
*/
|
|
|
|
/** Logic errors represent problems in the internal logic of a program;
|
|
* in theory, these are preventable, and even detectable before the
|
|
* program runs (e.g., violations of class invariants).
|
|
* @brief One of two subclasses of exception.
|
|
*/
|
|
class logic_error : public exception
|
|
{
|
|
__cow_string _M_msg;
|
|
|
|
public:
|
|
/** Takes a character string describing the error. */
|
|
explicit
|
|
logic_error(const string& __arg) _GLIBCXX_TXN_SAFE;
|
|
|
|
#if __cplusplus >= 201103L
|
|
explicit
|
|
logic_error(const char*) _GLIBCXX_TXN_SAFE;
|
|
|
|
logic_error(logic_error&&) noexcept;
|
|
logic_error& operator=(logic_error&&) noexcept;
|
|
#endif
|
|
|
|
#if _GLIBCXX_USE_CXX11_ABI || _GLIBCXX_DEFINE_STDEXCEPT_COPY_OPS
|
|
logic_error(const logic_error&) _GLIBCXX_NOTHROW;
|
|
logic_error& operator=(const logic_error&) _GLIBCXX_NOTHROW;
|
|
#elif __cplusplus >= 201103L
|
|
logic_error(const logic_error&) = default;
|
|
logic_error& operator=(const logic_error&) = default;
|
|
#endif
|
|
|
|
virtual ~logic_error() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
|
|
|
|
/** Returns a C-style character string describing the general cause of
|
|
* the current error (the same string passed to the ctor). */
|
|
virtual const char*
|
|
what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
|
|
|
|
# ifdef _GLIBCXX_TM_TS_INTERNAL
|
|
friend void*
|
|
::_txnal_logic_error_get_msg(void* e);
|
|
# endif
|
|
};
|
|
|
|
/** Thrown by the library, or by you, to report domain errors (domain in
|
|
* the mathematical sense). */
|
|
class domain_error : public logic_error
|
|
{
|
|
public:
|
|
explicit domain_error(const string& __arg) _GLIBCXX_TXN_SAFE;
|
|
#if __cplusplus >= 201103L
|
|
explicit domain_error(const char*) _GLIBCXX_TXN_SAFE;
|
|
domain_error(const domain_error&) = default;
|
|
domain_error& operator=(const domain_error&) = default;
|
|
domain_error(domain_error&&) = default;
|
|
domain_error& operator=(domain_error&&) = default;
|
|
#endif
|
|
virtual ~domain_error() _GLIBCXX_NOTHROW;
|
|
};
|
|
|
|
/** Thrown to report invalid arguments to functions. */
|
|
class invalid_argument : public logic_error
|
|
{
|
|
public:
|
|
explicit invalid_argument(const string& __arg) _GLIBCXX_TXN_SAFE;
|
|
#if __cplusplus >= 201103L
|
|
explicit invalid_argument(const char*) _GLIBCXX_TXN_SAFE;
|
|
invalid_argument(const invalid_argument&) = default;
|
|
invalid_argument& operator=(const invalid_argument&) = default;
|
|
invalid_argument(invalid_argument&&) = default;
|
|
invalid_argument& operator=(invalid_argument&&) = default;
|
|
#endif
|
|
virtual ~invalid_argument() _GLIBCXX_NOTHROW;
|
|
};
|
|
|
|
/** Thrown when an object is constructed that would exceed its maximum
|
|
* permitted size (e.g., a basic_string instance). */
|
|
class length_error : public logic_error
|
|
{
|
|
public:
|
|
explicit length_error(const string& __arg) _GLIBCXX_TXN_SAFE;
|
|
#if __cplusplus >= 201103L
|
|
explicit length_error(const char*) _GLIBCXX_TXN_SAFE;
|
|
length_error(const length_error&) = default;
|
|
length_error& operator=(const length_error&) = default;
|
|
length_error(length_error&&) = default;
|
|
length_error& operator=(length_error&&) = default;
|
|
#endif
|
|
virtual ~length_error() _GLIBCXX_NOTHROW;
|
|
};
|
|
|
|
/** This represents an argument whose value is not within the expected
|
|
* range (e.g., boundary checks in basic_string). */
|
|
class out_of_range : public logic_error
|
|
{
|
|
public:
|
|
explicit out_of_range(const string& __arg) _GLIBCXX_TXN_SAFE;
|
|
#if __cplusplus >= 201103L
|
|
explicit out_of_range(const char*) _GLIBCXX_TXN_SAFE;
|
|
out_of_range(const out_of_range&) = default;
|
|
out_of_range& operator=(const out_of_range&) = default;
|
|
out_of_range(out_of_range&&) = default;
|
|
out_of_range& operator=(out_of_range&&) = default;
|
|
#endif
|
|
virtual ~out_of_range() _GLIBCXX_NOTHROW;
|
|
};
|
|
|
|
/** Runtime errors represent problems outside the scope of a program;
|
|
* they cannot be easily predicted and can generally only be caught as
|
|
* the program executes.
|
|
* @brief One of two subclasses of exception.
|
|
*/
|
|
class runtime_error : public exception
|
|
{
|
|
__cow_string _M_msg;
|
|
|
|
public:
|
|
/** Takes a character string describing the error. */
|
|
explicit
|
|
runtime_error(const string& __arg) _GLIBCXX_TXN_SAFE;
|
|
|
|
#if __cplusplus >= 201103L
|
|
explicit
|
|
runtime_error(const char*) _GLIBCXX_TXN_SAFE;
|
|
|
|
runtime_error(runtime_error&&) noexcept;
|
|
runtime_error& operator=(runtime_error&&) noexcept;
|
|
#endif
|
|
|
|
#if _GLIBCXX_USE_CXX11_ABI || _GLIBCXX_DEFINE_STDEXCEPT_COPY_OPS
|
|
runtime_error(const runtime_error&) _GLIBCXX_NOTHROW;
|
|
runtime_error& operator=(const runtime_error&) _GLIBCXX_NOTHROW;
|
|
#elif __cplusplus >= 201103L
|
|
runtime_error(const runtime_error&) = default;
|
|
runtime_error& operator=(const runtime_error&) = default;
|
|
#endif
|
|
|
|
virtual ~runtime_error() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
|
|
|
|
/** Returns a C-style character string describing the general cause of
|
|
* the current error (the same string passed to the ctor). */
|
|
virtual const char*
|
|
what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
|
|
|
|
# ifdef _GLIBCXX_TM_TS_INTERNAL
|
|
friend void*
|
|
::_txnal_runtime_error_get_msg(void* e);
|
|
# endif
|
|
};
|
|
|
|
/** Thrown to indicate range errors in internal computations. */
|
|
class range_error : public runtime_error
|
|
{
|
|
public:
|
|
explicit range_error(const string& __arg) _GLIBCXX_TXN_SAFE;
|
|
#if __cplusplus >= 201103L
|
|
explicit range_error(const char*) _GLIBCXX_TXN_SAFE;
|
|
range_error(const range_error&) = default;
|
|
range_error& operator=(const range_error&) = default;
|
|
range_error(range_error&&) = default;
|
|
range_error& operator=(range_error&&) = default;
|
|
#endif
|
|
virtual ~range_error() _GLIBCXX_NOTHROW;
|
|
};
|
|
|
|
/** Thrown to indicate arithmetic overflow. */
|
|
class overflow_error : public runtime_error
|
|
{
|
|
public:
|
|
explicit overflow_error(const string& __arg) _GLIBCXX_TXN_SAFE;
|
|
#if __cplusplus >= 201103L
|
|
explicit overflow_error(const char*) _GLIBCXX_TXN_SAFE;
|
|
overflow_error(const overflow_error&) = default;
|
|
overflow_error& operator=(const overflow_error&) = default;
|
|
overflow_error(overflow_error&&) = default;
|
|
overflow_error& operator=(overflow_error&&) = default;
|
|
#endif
|
|
virtual ~overflow_error() _GLIBCXX_NOTHROW;
|
|
};
|
|
|
|
/** Thrown to indicate arithmetic underflow. */
|
|
class underflow_error : public runtime_error
|
|
{
|
|
public:
|
|
explicit underflow_error(const string& __arg) _GLIBCXX_TXN_SAFE;
|
|
#if __cplusplus >= 201103L
|
|
explicit underflow_error(const char*) _GLIBCXX_TXN_SAFE;
|
|
underflow_error(const underflow_error&) = default;
|
|
underflow_error& operator=(const underflow_error&) = default;
|
|
underflow_error(underflow_error&&) = default;
|
|
underflow_error& operator=(underflow_error&&) = default;
|
|
#endif
|
|
virtual ~underflow_error() _GLIBCXX_NOTHROW;
|
|
};
|
|
|
|
// @} group exceptions
|
|
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
|
} // namespace
|
|
|
|
#endif /* _GLIBCXX_STDEXCEPT */
|