llvm-project/libcxx/include/typeinfo

121 lines
2.5 KiB
C++

// -*- C++ -*-
//===-------------------------- typeinfo ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef __LIBCPP_TYPEINFO
#define __LIBCPP_TYPEINFO
/*
typeinfo synopsis
namespace std {
class type_info
{
public:
virtual ~type_info();
bool operator==(const type_info& rhs) const;
bool operator!=(const type_info& rhs) const;
bool before(const type_info& rhs) const;
size_t hash_code() const throw();
const char* name() const;
type_info(const type_info& rhs) = delete;
type_info& operator=(const type_info& rhs) = delete;
};
class bad_cast
: public exception
{
public:
bad_cast() throw();
bad_cast(const bad_cast&) throw();
bad_cast& operator=(const bad_cast&) throw();
virtual const char* what() const throw();
};
class bad_typeid
: public exception
{
public:
bad_typeid() throw();
bad_typeid(const bad_typeid&) throw();
bad_typeid& operator=(const bad_typeid&) throw();
virtual const char* what() const throw();
};
} // std
*/
#include <__config>
#include <exception>
#include <cstddef>
#pragma GCC system_header
namespace std // purposefully not using versioning namespace
{
class _LIBCPP_EXCEPTION_ABI type_info
{
type_info& operator=(const type_info&);
type_info(const type_info&);
protected:
const char* __type_name;
explicit type_info(const char* __n)
: __type_name(__n) {}
public:
virtual ~type_info();
const char* name() const {return __type_name;}
bool before(const type_info& __arg) const
{return __type_name < __arg.__type_name;}
size_t hash_code() const throw()
{return *reinterpret_cast<const size_t*>(&__type_name);}
bool operator==(const type_info& __arg) const
{return __type_name == __arg.__type_name;}
bool operator!=(const type_info& __arg) const
{return !operator==(__arg);}
};
class _LIBCPP_EXCEPTION_ABI bad_cast
: public exception
{
public:
bad_cast() throw();
virtual ~bad_cast() throw();
virtual const char* what() const throw();
};
class _LIBCPP_EXCEPTION_ABI bad_typeid
: public exception
{
public:
bad_typeid() throw();
virtual ~bad_typeid() throw();
virtual const char* what() const throw();
};
} // std
#endif // __LIBCPP_TYPEINFO