67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $XConsortium: ExprList.C /main/3 1996/08/21 15:46:33 drk $ */
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/* imported interfaces */
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/* exported interfaces */
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#include "Expression.h"
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#include "ExprList.h"
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//------------------------------------------------------------------
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ExprList::ExprList()
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{
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head = 0;
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}
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//------------------------------------------------------------------
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ExprList::ExprList( OL_Expression *elist )
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{
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head = elist;
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}
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//------------------------------------------------------------------
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ExprList::~ExprList()
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{
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OL_Expression *ptr = head;
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while ( ptr ) {
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OL_Expression *tmp = ptr;
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ptr = ptr->next;
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delete tmp;
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}
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}
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//------------------------------------------------------------------
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OL_Expression *
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ExprList::first()
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{
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return ( head );
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}
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//------------------------------------------------------------------
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OL_Expression *
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ExprList::next( OL_Expression *ptr )
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{
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if ( ptr ) { return(ptr->next); }
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else { return 0; }
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}
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