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