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terminal_set
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SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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java_cup</FONT>
<BR>
Class terminal_set</H2>
<PRE>
java.lang.Object
<IMG SRC="../resources/inherit.gif" ALT="extended by "><B>java_cup.terminal_set</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>terminal_set</B><DT>extends java.lang.Object</DL>
</PRE>
<P>
A set of terminals implemented as a bitset.
<P>
<P>
<DL>
<DT><B>Version:</B></DT>
<DD>last updated: 11/25/95</DD>
<DT><B>Author:</B></DT>
<DD>Scott Hudson</DD>
</DL>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected java.util.BitSet</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#_elements">_elements</A></B></CODE>
<BR>
Bitset to implement the actual set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#EMPTY">EMPTY</A></B></CODE>
<BR>
Constant for the empty set.</TD>
</TR>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#terminal_set()">terminal_set</A></B>()</CODE>
<BR>
Constructor for an empty set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#terminal_set(java_cup.terminal_set)">terminal_set</A></B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)</CODE>
<BR>
Constructor for cloning from another set.</TD>
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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#add(java_cup.terminal_set)">add</A></B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)</CODE>
<BR>
Add (union) in a complete set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#add(java_cup.terminal)">add</A></B>(<A HREF="../java_cup/terminal.html" title="class in java_cup">terminal</A> sym)</CODE>
<BR>
Add a single terminal to the set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#contains(int)">contains</A></B>(int indx)</CODE>
<BR>
Given its index determine if the set contains a particular terminal.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#contains(java_cup.terminal)">contains</A></B>(<A HREF="../java_cup/terminal.html" title="class in java_cup">terminal</A> sym)</CODE>
<BR>
Determine if the set contains a particular terminal.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#empty()">empty</A></B>()</CODE>
<BR>
Determine if the set is empty.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object other)</CODE>
<BR>
Generic equality comparison.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#equals(java_cup.terminal_set)">equals</A></B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)</CODE>
<BR>
Equality comparison.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#intersects(java_cup.terminal_set)">intersects</A></B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)</CODE>
<BR>
Determine if this set intersects another.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#is_subset_of(java_cup.terminal_set)">is_subset_of</A></B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)</CODE>
<BR>
Determine if this set is an (improper) subset of another.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#is_superset_of(java_cup.terminal_set)">is_superset_of</A></B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)</CODE>
<BR>
Determine if this set is an (improper) superset of another.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#not_null(java.lang.Object)">not_null</A></B>(java.lang.Object obj)</CODE>
<BR>
Helper function to test for a null object and throw an exception if
one is found.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#remove(java_cup.terminal)">remove</A></B>(<A HREF="../java_cup/terminal.html" title="class in java_cup">terminal</A> sym)</CODE>
<BR>
Remove a terminal if it is in the set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../java_cup/terminal_set.html#toString()">toString</A></B>()</CODE>
<BR>
Convert to string.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
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<B>Field Detail</B></FONT></TH>
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<A NAME="EMPTY"><!-- --></A><H3>
EMPTY</H3>
<PRE>
public static final <A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> <B>EMPTY</B></PRE>
<DL>
<DD>Constant for the empty set.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_elements"><!-- --></A><H3>
_elements</H3>
<PRE>
protected java.util.BitSet <B>_elements</B></PRE>
<DL>
<DD>Bitset to implement the actual set.
<P>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="terminal_set()"><!-- --></A><H3>
terminal_set</H3>
<PRE>
public <B>terminal_set</B>()</PRE>
<DL>
<DD>Constructor for an empty set.
<P>
</DL>
<HR>
<A NAME="terminal_set(java_cup.terminal_set)"><!-- --></A><H3>
terminal_set</H3>
<PRE>
public <B>terminal_set</B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)
throws <A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></PRE>
<DL>
<DD>Constructor for cloning from another set.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>other</CODE> - the set we are cloning from.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></CODE></DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="not_null(java.lang.Object)"><!-- --></A><H3>
not_null</H3>
<PRE>
protected void <B>not_null</B>(java.lang.Object obj)
throws <A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></PRE>
<DL>
<DD>Helper function to test for a null object and throw an exception if
one is found.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - the object we are testing.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="empty()"><!-- --></A><H3>
empty</H3>
<PRE>
public boolean <B>empty</B>()</PRE>
<DL>
<DD>Determine if the set is empty.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="contains(java_cup.terminal)"><!-- --></A><H3>
contains</H3>
<PRE>
public boolean <B>contains</B>(<A HREF="../java_cup/terminal.html" title="class in java_cup">terminal</A> sym)
throws <A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></PRE>
<DL>
<DD>Determine if the set contains a particular terminal.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sym</CODE> - the terminal symbol we are looking for.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="contains(int)"><!-- --></A><H3>
contains</H3>
<PRE>
public boolean <B>contains</B>(int indx)</PRE>
<DL>
<DD>Given its index determine if the set contains a particular terminal.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>indx</CODE> - the index of the terminal in question.</DL>
</DD>
</DL>
<HR>
<A NAME="is_subset_of(java_cup.terminal_set)"><!-- --></A><H3>
is_subset_of</H3>
<PRE>
public boolean <B>is_subset_of</B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)
throws <A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></PRE>
<DL>
<DD>Determine if this set is an (improper) subset of another.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>other</CODE> - the set we are testing against.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="is_superset_of(java_cup.terminal_set)"><!-- --></A><H3>
is_superset_of</H3>
<PRE>
public boolean <B>is_superset_of</B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)
throws <A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></PRE>
<DL>
<DD>Determine if this set is an (improper) superset of another.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>other</CODE> - the set we are testing against.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="add(java_cup.terminal)"><!-- --></A><H3>
add</H3>
<PRE>
public boolean <B>add</B>(<A HREF="../java_cup/terminal.html" title="class in java_cup">terminal</A> sym)
throws <A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></PRE>
<DL>
<DD>Add a single terminal to the set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sym</CODE> - the terminal being added.
<DT><B>Returns:</B><DD>true if this changes the set.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="remove(java_cup.terminal)"><!-- --></A><H3>
remove</H3>
<PRE>
public void <B>remove</B>(<A HREF="../java_cup/terminal.html" title="class in java_cup">terminal</A> sym)
throws <A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></PRE>
<DL>
<DD>Remove a terminal if it is in the set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sym</CODE> - the terminal being removed.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="add(java_cup.terminal_set)"><!-- --></A><H3>
add</H3>
<PRE>
public boolean <B>add</B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)
throws <A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></PRE>
<DL>
<DD>Add (union) in a complete set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>other</CODE> - the set being added.
<DT><B>Returns:</B><DD>true if this changes the set.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="intersects(java_cup.terminal_set)"><!-- --></A><H3>
intersects</H3>
<PRE>
public boolean <B>intersects</B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)
throws <A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></PRE>
<DL>
<DD>Determine if this set intersects another.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>other</CODE> - the other set in question.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../java_cup/internal_error.html" title="class in java_cup">internal_error</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="equals(java_cup.terminal_set)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(<A HREF="../java_cup/terminal_set.html" title="class in java_cup">terminal_set</A> other)</PRE>
<DL>
<DD>Equality comparison.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(java.lang.Object other)</PRE>
<DL>
<DD>Generic equality comparison.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>equals</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Convert to string.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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