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-rw-r--r--include/c++/v1/typeinfo168
1 files changed, 168 insertions, 0 deletions
diff --git a/include/c++/v1/typeinfo b/include/c++/v1/typeinfo
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--- /dev/null
+++ b/include/c++/v1/typeinfo
@@ -0,0 +1,168 @@
+// -*- C++ -*-
+//===-------------------------- typeinfo ----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. 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 noexcept;
+ bool operator!=(const type_info& rhs) const noexcept;
+
+ bool before(const type_info& rhs) const noexcept;
+ size_t hash_code() const noexcept;
+ const char* name() const noexcept;
+
+ type_info(const type_info& rhs) = delete;
+ type_info& operator=(const type_info& rhs) = delete;
+};
+
+class bad_cast
+ : public exception
+{
+public:
+ bad_cast() noexcept;
+ bad_cast(const bad_cast&) noexcept;
+ bad_cast& operator=(const bad_cast&) noexcept;
+ virtual const char* what() const noexcept;
+};
+
+class bad_typeid
+ : public exception
+{
+public:
+ bad_typeid() noexcept;
+ bad_typeid(const bad_typeid&) noexcept;
+ bad_typeid& operator=(const bad_typeid&) noexcept;
+ virtual const char* what() const noexcept;
+};
+
+} // std
+
+*/
+
+#include <__config>
+#include <exception>
+#include <cstddef>
+#include <cstdint>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+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:
+#ifndef _LIBCPP_NONUNIQUE_RTTI_BIT
+ const char* __type_name;
+#else
+ // A const char* with the non-unique RTTI bit possibly set.
+ uintptr_t __type_name;
+#endif
+
+ _LIBCPP_INLINE_VISIBILITY
+ explicit type_info(const char* __n)
+#ifndef _LIBCPP_NONUNIQUE_RTTI_BIT
+ : __type_name(__n) {}
+#else
+ : __type_name(reinterpret_cast<uintptr_t>(__n)) {}
+#endif
+
+public:
+ virtual ~type_info();
+
+ _LIBCPP_INLINE_VISIBILITY
+ const char* name() const _NOEXCEPT
+#ifndef _LIBCPP_NONUNIQUE_RTTI_BIT
+ {return __type_name;}
+#else
+ {return reinterpret_cast<const char*>(__type_name & ~_LIBCPP_NONUNIQUE_RTTI_BIT);}
+#endif
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool before(const type_info& __arg) const _NOEXCEPT
+#ifndef _LIBCPP_NONUNIQUE_RTTI_BIT
+ {return __type_name < __arg.__type_name;}
+#else
+ {if (!((__type_name & __arg.__type_name) & _LIBCPP_NONUNIQUE_RTTI_BIT))
+ return __type_name < __arg.__type_name;
+ return __compare_nonunique_names(__arg) < 0;}
+#endif
+
+ _LIBCPP_INLINE_VISIBILITY
+ size_t hash_code() const _NOEXCEPT
+#ifndef _LIBCPP_NONUNIQUE_RTTI_BIT
+ {return *reinterpret_cast<const size_t*>(&__type_name);}
+#else
+ {if (!(__type_name & _LIBCPP_NONUNIQUE_RTTI_BIT)) return __type_name;
+ const char *__ptr = name();
+ size_t __hash = 5381;
+ while (unsigned char __c = static_cast<unsigned char>(*__ptr++))
+ __hash = (__hash * 33) ^ __c;
+ return __hash;}
+#endif
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool operator==(const type_info& __arg) const _NOEXCEPT
+#ifndef _LIBCPP_NONUNIQUE_RTTI_BIT
+ {return __type_name == __arg.__type_name;}
+#else
+ {if (__type_name == __arg.__type_name) return true;
+ if (!((__type_name & __arg.__type_name) & _LIBCPP_NONUNIQUE_RTTI_BIT))
+ return false;
+ return __compare_nonunique_names(__arg) == 0;}
+#endif
+ _LIBCPP_INLINE_VISIBILITY
+ bool operator!=(const type_info& __arg) const _NOEXCEPT
+ {return !operator==(__arg);}
+
+#ifdef _LIBCPP_NONUNIQUE_RTTI_BIT
+ private:
+ _LIBCPP_INLINE_VISIBILITY
+ int __compare_nonunique_names(const type_info &__arg) const _NOEXCEPT
+ {return __builtin_strcmp(name(), __arg.name());}
+#endif
+};
+
+class _LIBCPP_EXCEPTION_ABI bad_cast
+ : public exception
+{
+public:
+ bad_cast() _NOEXCEPT;
+ virtual ~bad_cast() _NOEXCEPT;
+ virtual const char* what() const _NOEXCEPT;
+};
+
+class _LIBCPP_EXCEPTION_ABI bad_typeid
+ : public exception
+{
+public:
+ bad_typeid() _NOEXCEPT;
+ virtual ~bad_typeid() _NOEXCEPT;
+ virtual const char* what() const _NOEXCEPT;
+};
+
+} // std
+
+#endif // __LIBCPP_TYPEINFO