// std::list utilities implementation -*- C++ -*- // Copyright (C) 2003, 2005 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 2, 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. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. /* * * Copyright (c) 1994 * Hewlett-Packard Company * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Hewlett-Packard Company makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. * * * Copyright (c) 1996,1997 * Silicon Graphics Computer Systems, Inc. * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Silicon Graphics makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. */ #include <list> _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD) void _List_node_base::swap(_List_node_base& __x, _List_node_base& __y) { if ( __x._M_next != &__x ) { if ( __y._M_next != &__y ) { // Both __x and __y are not empty. std::swap(__x._M_next,__y._M_next); std::swap(__x._M_prev,__y._M_prev); __x._M_next->_M_prev = __x._M_prev->_M_next = &__x; __y._M_next->_M_prev = __y._M_prev->_M_next = &__y; } else { // __x is not empty, __y is empty. __y._M_next = __x._M_next; __y._M_prev = __x._M_prev; __y._M_next->_M_prev = __y._M_prev->_M_next = &__y; __x._M_next = __x._M_prev = &__x; } } else if ( __y._M_next != &__y ) { // __x is empty, __y is not empty. __x._M_next = __y._M_next; __x._M_prev = __y._M_prev; __x._M_next->_M_prev = __x._M_prev->_M_next = &__x; __y._M_next = __y._M_prev = &__y; } } void _List_node_base::transfer(_List_node_base * const __first, _List_node_base * const __last) { if (this != __last) { // Remove [first, last) from its old position. __last->_M_prev->_M_next = this; __first->_M_prev->_M_next = __last; this->_M_prev->_M_next = __first; // Splice [first, last) into its new position. _List_node_base* const __tmp = this->_M_prev; this->_M_prev = __last->_M_prev; __last->_M_prev = __first->_M_prev; __first->_M_prev = __tmp; } } void _List_node_base::reverse() { _List_node_base* __tmp = this; do { std::swap(__tmp->_M_next, __tmp->_M_prev); __tmp = __tmp->_M_prev; // Old next node is now prev. } while (__tmp != this); } void _List_node_base::hook(_List_node_base* const __position) { this->_M_next = __position; this->_M_prev = __position->_M_prev; __position->_M_prev->_M_next = this; __position->_M_prev = this; } void _List_node_base::unhook() { _List_node_base* const __next_node = this->_M_next; _List_node_base* const __prev_node = this->_M_prev; __prev_node->_M_next = __next_node; __next_node->_M_prev = __prev_node; } _GLIBCXX_END_NESTED_NAMESPACE /* APPLE LOCAL begin libstdc++ abi compatibility fix 6710541 */ #if defined(__APPLE__) && defined(_GLIBCXX_DEBUG) #if defined(__x86_64__) || defined(__i386__) || defined(__ppc__) #if defined(__x86_64__) || defined(__i386__) #define JUMP "jmp " #elif defined(__ppc__) #define JUMP "b " #endif asm(".text\n" ".globl __ZN10__gnu_norm15_List_node_base4hookEPS0_\n" "__ZN10__gnu_norm15_List_node_base4hookEPS0_:" JUMP "__ZNSt15_List_node_base4hookEPS_\n" ".globl __ZN10__gnu_norm15_List_node_base4swapERS0_S1_\n" "__ZN10__gnu_norm15_List_node_base4swapERS0_S1_:" JUMP "__ZNSt15_List_node_base4swapERS_S0_\n" ".globl __ZN10__gnu_norm15_List_node_base6unhookEv\n" "__ZN10__gnu_norm15_List_node_base6unhookEv:" JUMP "__ZNSt15_List_node_base6unhookEv\n" ".globl __ZN10__gnu_norm15_List_node_base7reverseEv\n" "__ZN10__gnu_norm15_List_node_base7reverseEv:" JUMP "__ZNSt15_List_node_base7reverseEv\n" ".globl __ZN10__gnu_norm15_List_node_base8transferEPS0_S1_\n" "__ZN10__gnu_norm15_List_node_base8transferEPS0_S1_:" JUMP "__ZNSt15_List_node_base8transferEPS_S0_\n"); #endif #endif /* APPLE LOCAL end libstdc++ abi compatibility fix 6710541 */