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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/libsupc++/typeinfo')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/libsupc++/typeinfo | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/libsupc++/typeinfo b/gcc-4.4.3/libstdc++-v3/libsupc++/typeinfo deleted file mode 100644 index f7f9d4e2c..000000000 --- a/gcc-4.4.3/libstdc++-v3/libsupc++/typeinfo +++ /dev/null @@ -1,206 +0,0 @@ -// RTTI support for -*- C++ -*- -// Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -// 2003, 2004, 2005, 2006, 2007, 2009 -// Free Software Foundation -// -// This file is part of GCC. -// -// GCC 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. -// -// GCC 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 typeinfo - * This is a Standard C++ Library header. - */ - -#ifndef _TYPEINFO -#define _TYPEINFO - -#include <exception> - -#pragma GCC visibility push(default) - -extern "C++" { - -namespace __cxxabiv1 -{ - class __class_type_info; -} // namespace __cxxabiv1 - -// Determine whether typeinfo names for the same type are merged (in which -// case comparison can just compare pointers) or not (in which case strings -// must be compared), and whether comparison is to be implemented inline or -// not. We used to do inline pointer comparison by default if weak symbols -// are available, but even with weak symbols sometimes names are not merged -// when objects are loaded with RTLD_LOCAL, so now we always use strcmp by -// default. For ABI compatibility, we do the strcmp inline if weak symbols -// are available, and out-of-line if not. Out-of-line pointer comparison -// is used where the object files are to be portable to multiple systems, -// some of which may not be able to use pointer comparison, but the -// particular system for which libstdc++ is being built can use pointer -// comparison; in particular for most ARM EABI systems, where the ABI -// specifies out-of-line comparison. The compiler's target configuration -// can override the defaults by defining __GXX_TYPEINFO_EQUALITY_INLINE to -// 1 or 0 to indicate whether or not comparison is inline, and -// __GXX_MERGED_TYPEINFO_NAMES to 1 or 0 to indicate whether or not pointer -// comparison can be used. - -#ifndef __GXX_MERGED_TYPEINFO_NAMES -// By default, typeinfo names are not merged. -#define __GXX_MERGED_TYPEINFO_NAMES 0 -#endif - -// By default follow the old inline rules to avoid ABI changes. -#ifndef __GXX_TYPEINFO_EQUALITY_INLINE - #if !__GXX_WEAK__ - #define __GXX_TYPEINFO_EQUALITY_INLINE 0 - #else - #define __GXX_TYPEINFO_EQUALITY_INLINE 1 - #endif -#endif - -namespace std -{ - /** - * @brief Part of RTTI. - * - * The @c type_info class describes type information generated by - * an implementation. - */ - class type_info - { - public: - /** Destructor first. Being the first non-inline virtual function, this - * controls in which translation unit the vtable is emitted. The - * compiler makes use of that information to know where to emit - * the runtime-mandated type_info structures in the new-abi. */ - virtual ~type_info(); - - /** Returns an @e implementation-defined byte string; this is not - * portable between compilers! */ - const char* name() const - { return __name[0] == '*' ? __name + 1 : __name; } - -#if !__GXX_TYPEINFO_EQUALITY_INLINE - // In old abi, or when weak symbols are not supported, there can - // be multiple instances of a type_info object for one - // type. Uniqueness must use the _name value, not object address. - bool before(const type_info& __arg) const; - bool operator==(const type_info& __arg) const; -#else - #if !__GXX_MERGED_TYPEINFO_NAMES - /** Returns true if @c *this precedes @c __arg in the implementation's - * collation order. */ - // Even with the new abi, on systems that support dlopen - // we can run into cases where type_info names aren't merged, - // so we still need to do string comparison. - bool before(const type_info& __arg) const - { return (__name[0] == '*' && __arg.__name[0] == '*') - ? __name < __arg.__name - : __builtin_strcmp (__name, __arg.__name) < 0; } - - bool operator==(const type_info& __arg) const - { - return ((__name == __arg.__name) - || (__name[0] != '*' && - __builtin_strcmp (__name, __arg.__name) == 0)); - } - #else - // On some targets we can rely on type_info's NTBS being unique, - // and therefore address comparisons are sufficient. - bool before(const type_info& __arg) const - { return __name < __arg.__name; } - - bool operator==(const type_info& __arg) const - { return __name == __arg.__name; } - #endif -#endif - bool operator!=(const type_info& __arg) const - { return !operator==(__arg); } - - // Return true if this is a pointer type of some kind - virtual bool __is_pointer_p() const; - - // Return true if this is a function type - virtual bool __is_function_p() const; - - // Try and catch a thrown type. Store an adjusted pointer to the - // caught type in THR_OBJ. If THR_TYPE is not a pointer type, then - // THR_OBJ points to the thrown object. If THR_TYPE is a pointer - // type, then THR_OBJ is the pointer itself. OUTER indicates the - // number of outer pointers, and whether they were const - // qualified. - virtual bool __do_catch(const type_info *__thr_type, void **__thr_obj, - unsigned __outer) const; - - // Internally used during catch matching - virtual bool __do_upcast(const __cxxabiv1::__class_type_info *__target, - void **__obj_ptr) const; - - protected: - const char *__name; - - explicit type_info(const char *__n): __name(__n) { } - - private: - /// Assigning type_info is not supported. - type_info& operator=(const type_info&); - type_info(const type_info&); - }; - - /** - * @brief Thrown during incorrect typecasting. - * @ingroup exceptions - * - * If you attempt an invalid @c dynamic_cast expression, an instance of - * this class (or something derived from this class) is thrown. */ - class bad_cast : public exception - { - public: - bad_cast() throw() { } - - // This declaration is not useless: - // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118 - virtual ~bad_cast() throw(); - - // See comment in eh_exception.cc. - virtual const char* what() const throw(); - }; - - /** - * @brief Thrown when a NULL pointer in a @c typeid expression is used. - * @ingroup exceptions - */ - class bad_typeid : public exception - { - public: - bad_typeid () throw() { } - - // This declaration is not useless: - // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118 - virtual ~bad_typeid() throw(); - - // See comment in eh_exception.cc. - virtual const char* what() const throw(); - }; -} // namespace std - -#pragma GCC visibility pop - -} // extern "C++" -#endif |