AST tmp758_AST_in = (AST)_t;
AST tmp768_AST_in = (AST)_t;
	public final void findwhich(AST _t) throws RecognitionException {				AST findwhich_AST_in = (_t == ASTNULL) ? null : (AST)_t;				if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case CURRENT:		{			AST tmp758_AST_in = (AST)_t;			match(_t,CURRENT);			_t = _t.getNextSibling();			break;		}		case EACH:		{			AST tmp759_AST_in = (AST)_t;			match(_t,EACH);			_t = _t.getNextSibling();			break;		}		case FIRST:		{			AST tmp760_AST_in = (AST)_t;			match(_t,FIRST);			_t = _t.getNextSibling();			break;		}		case LAST:		{			AST tmp761_AST_in = (AST)_t;			match(_t,LAST);			_t = _t.getNextSibling();			break;		}		case NEXT:		{			AST tmp762_AST_in = (AST)_t;			match(_t,NEXT);			_t = _t.getNextSibling();			break;		}		case PREV:		{			AST tmp763_AST_in = (AST)_t;			match(_t,PREV);			_t = _t.getNextSibling();			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		_retTree = _t;	}