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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef GOB_PARSE_H
#define GOB_PARSE_H
namespace Gob {
class Parse {
public:
void skipExpr(char stopToken);
void printExpr(char stopToken);
void printVarIndex(void);
virtual int16 parseVarIndex(uint16 *arg_0 = 0, uint16 *arg_4 = 0) = 0;
virtual int16 parseValExpr(byte stopToken = 99) = 0;
virtual int16 parseExpr(byte stopToken, byte *resultPtr) = 0;
Parse(GobEngine *vm);
virtual ~Parse() {}
protected:
enum PointerType {
kExecPtr = 0,
kInterVar = 1,
kResStr = 2
};
GobEngine *_vm;
int32 encodePtr(byte *ptr, int type);
byte *decodePtr(int32 n);
void printExpr_internal(char stopToken);
};
class Parse_v1 : public Parse {
public:
Parse_v1(GobEngine *vm);
virtual ~Parse_v1() {}
virtual int16 parseVarIndex(uint16 *arg_0 = 0, uint16 *arg_4 = 0);
virtual int16 parseValExpr(byte stopToken = 99);
virtual int16 parseExpr(byte stopToken, byte *resultPtr);
};
class Parse_v2 : public Parse_v1 {
public:
Parse_v2(GobEngine *vm);
virtual ~Parse_v2() {}
virtual int16 sub_12063(int16 arg_0, byte arg_2, uint32 arg_3, uint16 arg_7, uint16 arg_9);
virtual int16 parseVarIndex(uint16 *arg_0 = 0, uint16 *arg_4 = 0);
virtual int16 parseValExpr(byte stopToken = 99);
virtual int16 parseExpr(byte stopToken, byte *resultPtr);
};
} // End of namespace Gob
#endif // GOB_PARSE_H
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