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/**************************************************************/
/* ********************************************************** */
/* * * */
/* * GLOBAL SYSTEM STACK * */
/* * * */
/* * $Module: STACK * */
/* * * */
/* * Copyright (C) 1996, 1998, 1999, 2001 * */
/* * MPI fuer Informatik * */
/* * * */
/* * This program 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 of the License, * */
/* * or (at your option) any later version. * */
/* * * */
/* * This program 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 program; if not, write * */
/* * to the Free Software Foundation, Inc., 59 Temple * */
/* * Place, Suite 330, Boston, MA 02111-1307 USA * */
/* * * */
/* * * */
/* $Revision: 21527 $ * */
/* $State$ * */
/* $Date: 2005-04-24 21:10:28 -0700 (Sun, 24 Apr 2005) $ * */
/* $Author: duraid $ * */
/* * * */
/* * Contact: * */
/* * Christoph Weidenbach * */
/* * MPI fuer Informatik * */
/* * Stuhlsatzenhausweg 85 * */
/* * 66123 Saarbruecken * */
/* * Email: weidenb@mpi-sb.mpg.de * */
/* * Germany * */
/* * * */
/* ********************************************************** */
/**************************************************************/
/* $RCSfile$ */
#ifndef _STACK_
#define _STACK_
/**************************************************************/
/* Includes */
/**************************************************************/
#include "misc.h"
/**************************************************************/
/* More basic types and macros */
/**************************************************************/
#define stack_SIZE 10000
typedef POINTER STACK[stack_SIZE];
/**************************************************************/
/* Global Variables */
/**************************************************************/
extern STACK stack_STACK;
extern NAT stack_POINTER;
/**************************************************************/
/* Inline Functions */
/**************************************************************/
static __inline__ void stack_Init(void)
{
stack_POINTER = 0;
}
static __inline__ void stack_Push(POINTER Entry)
{
#ifdef CHECK
if (stack_POINTER >= stack_SIZE) {
misc_StartErrorReport();
misc_ErrorReport("\n In stack_Push: Stack Overflow.");
misc_FinishErrorReport();
}
#endif
stack_STACK[stack_POINTER++]= Entry;
}
static __inline__ int stack_Pop(void)
{
return --stack_POINTER;
}
static __inline__ POINTER stack_PopResult(void)
{
return stack_STACK[--stack_POINTER];
}
static __inline__ void stack_NPop(NAT N)
{
stack_POINTER -= N;
}
static __inline__ POINTER stack_Top(void)
{
return stack_STACK[stack_POINTER-1];
}
static __inline__ POINTER stack_NthTop(NAT N)
{
return stack_STACK[stack_POINTER-(1+N)];
}
static __inline__ void stack_RplacTop(POINTER Entry)
{
stack_STACK[stack_POINTER-1] = Entry;
}
static __inline__ void stack_RplacNthTop(NAT N, POINTER Entry)
{
stack_STACK[stack_POINTER-(1+N)] = Entry;
}
static __inline__ void stack_RplacNth(NAT N, POINTER Entry)
{
stack_STACK[N] = Entry;
}
static __inline__ NAT stack_Bottom(void)
{
return stack_POINTER;
}
static __inline__ void stack_SetBottom(NAT Ptr)
{
stack_POINTER = Ptr;
}
static __inline__ BOOL stack_Empty(NAT Ptr)
{
return stack_POINTER == Ptr;
}
#endif
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