if (parent instanceof PrefixExpression) return true;
if (parent instanceof PrefixExpression){ PrefixExpression.Operator op= ((PrefixExpression)parent).getOperator(); if (op.equals(PrefixExpression.Operator.DECREMENT)) return true; if (op.equals(PrefixExpression.Operator.INCREMENT)) return true; return false; }
    private static boolean isLeftValue(ASTNode node){		ASTNode parent= node.getParent();		if (parent instanceof Assignment){			Assignment assignment= (Assignment)parent;			if (assignment.getLeftHandSide() == node)				return true;		}		if (parent instanceof PostfixExpression)			return true;		if (parent instanceof PrefixExpression)			return true;		return false;	    }