AST tmp1747_AST_in = (AST)_t;
AST tmp1748_AST_in = (AST)_t;
	public final void grant_rev_to(AST _t) throws RecognitionException {				AST grant_rev_to_AST_in = (_t == ASTNULL) ? null : (AST)_t;				if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case TO:		{			AST __t2429 = _t;			AST tmp1740_AST_in = (AST)_t;			match(_t,TO);			_t = _t.getFirstChild();			{			if (_t==null) _t=ASTNULL;			switch ( _t.getType()) {			case PUBLIC:			{				AST tmp1741_AST_in = (AST)_t;				match(_t,PUBLIC);				_t = _t.getNextSibling();				break;			}			case FILENAME:			{				AST tmp1742_AST_in = (AST)_t;				match(_t,FILENAME);				_t = _t.getNextSibling();				{				_loop2432:				do {					if (_t==null) _t=ASTNULL;					if ((_t.getType()==COMMA)) {						AST tmp1743_AST_in = (AST)_t;						match(_t,COMMA);						_t = _t.getNextSibling();						AST tmp1744_AST_in = (AST)_t;						match(_t,FILENAME);						_t = _t.getNextSibling();					}					else {						break _loop2432;					}									} while (true);				}				break;			}			default:			{				throw new NoViableAltException(_t);			}			}			}			_t = __t2429;			_t = _t.getNextSibling();			break;		}		case FROM:		{			AST __t2433 = _t;			AST tmp1745_AST_in = (AST)_t;			match(_t,FROM);			_t = _t.getFirstChild();			{			if (_t==null) _t=ASTNULL;			switch ( _t.getType()) {			case PUBLIC:			{				AST tmp1746_AST_in = (AST)_t;				match(_t,PUBLIC);				_t = _t.getNextSibling();				break;			}			case FILENAME:			{				AST tmp1747_AST_in = (AST)_t;				match(_t,FILENAME);				_t = _t.getNextSibling();				{				_loop2436:				do {					if (_t==null) _t=ASTNULL;					if ((_t.getType()==COMMA)) {						AST tmp1748_AST_in = (AST)_t;						match(_t,COMMA);						_t = _t.getNextSibling();						AST tmp1749_AST_in = (AST)_t;						match(_t,FILENAME);						_t = _t.getNextSibling();					}					else {						break _loop2436;					}									} while (true);				}				break;			}			default:			{				throw new NoViableAltException(_t);			}			}			}			_t = __t2433;			_t = _t.getNextSibling();			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		_retTree = _t;	}