AST __t1694 = _t; AST tmp1014_AST_in = (AST)_t;
AST __t1700 = _t; AST tmp1018_AST_in = (AST)_t;
	public final void color_expr(AST _t) throws RecognitionException {				AST color_expr_AST_in = (_t == ASTNULL) ? null : (AST)_t;				if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case BGCOLOR:		{			AST __t1691 = _t;			AST tmp1011_AST_in = (AST)_t;			match(_t,BGCOLOR);			_t = _t.getFirstChild();			expression(_t);			_t = _retTree;			_t = __t1691;			_t = _t.getNextSibling();			break;		}		case DCOLOR:		{			AST __t1692 = _t;			AST tmp1012_AST_in = (AST)_t;			match(_t,DCOLOR);			_t = _t.getFirstChild();			expression(_t);			_t = _retTree;			_t = __t1692;			_t = _t.getNextSibling();			break;		}		case FGCOLOR:		{			AST __t1693 = _t;			AST tmp1013_AST_in = (AST)_t;			match(_t,FGCOLOR);			_t = _t.getFirstChild();			expression(_t);			_t = _retTree;			_t = __t1693;			_t = _t.getNextSibling();			break;		}		case PFCOLOR:		{			AST __t1694 = _t;			AST tmp1014_AST_in = (AST)_t;			match(_t,PFCOLOR);			_t = _t.getFirstChild();			expression(_t);			_t = _retTree;			_t = __t1694;			_t = _t.getNextSibling();			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		_retTree = _t;	}