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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004 The ScummVM project
*
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
*
* 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.
*
* $Header$
*
*/
// Scripting engine stack component header file
#ifndef SAGA_SSTACK_H
#define SAGA_SSTACK_H
#include "script_mod.h"
namespace Saga {
#define R_STACK_SIZE_LIMIT 16384
struct SSTACK_tag {
int flags;
int len;
int top;
SDataWord_T *data;
};
typedef struct SSTACK_tag *SSTACK;
typedef enum SSTACK_ERR_enum {
STACK_SUCCESS = 0,
STACK_ERROR,
STACK_MEM,
STACK_UNDERFLOW,
STACK_OVERFLOW
} SSTACK_ERR_CODE;
typedef enum SSTACK_FLAGS_enum {
STACK_FIXED = 0x00,
STACK_GROW = 0x01
} SSTACK_FLAGS;
int SSTACK_Create(SSTACK *stack, int stack_len, int flags);
int SSTACK_Destroy(SSTACK stack);
int SSTACK_Clear(SSTACK stack);
int SSTACK_Push(SSTACK stack, SDataWord_T value);
int SSTACK_PushNull(SSTACK stack);
int SSTACK_Pop(SSTACK stack, SDataWord_T *value);
int SSTACK_Top(SSTACK stack, SDataWord_T *value);
int SSTACK_Grow(SSTACK stack);
} // End of namespace Saga
#endif
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