
<DL>
<DD>Sets index expression, and sets its parent to this node.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if <code>expr</code> is <code>null</code></DL>
</DD>
</DL>
<HR>

<A NAME="getLb()"><!-- --></A><H3>
getLb</H3>
<PRE>
public int <B>getLb</B>()</PRE>
<DL>
<DD>Returns left bracket position, or -1 if missing.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setLb(int)"><!-- --></A><H3>
setLb</H3>
<PRE>
public void <B>setLb</B>(int&nbsp;lb)</PRE>
<DL>
<DD>Sets l