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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_13) on Tue Jul 15 15:48:47 NZST 2008 --><TITLE>non_terminal</TITLE><META NAME="keywords" CONTENT="weka.core.parser.java_cup.non_terminal class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="non_terminal";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../weka/core/parser/java_cup/Main.html" title="class in weka.core.parser.java_cup"><B>PREV CLASS</B></A> <A HREF="../../../../weka/core/parser/java_cup/nonassoc_action.html" title="class in weka.core.parser.java_cup"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?weka/core/parser/java_cup/non_terminal.html" target="_top"><B>FRAMES</B></A> <A HREF="non_terminal.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">weka.core.parser.java_cup</FONT><BR>Class non_terminal</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../weka/core/parser/java_cup/symbol.html" title="class in weka.core.parser.java_cup">weka.core.parser.java_cup.symbol</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>weka.core.parser.java_cup.non_terminal</B></PRE><HR><DL><DT><PRE>public class <B>non_terminal</B><DT>extends <A HREF="../../../../weka/core/parser/java_cup/symbol.html" title="class in weka.core.parser.java_cup">symbol</A></DL></PRE><P>This class represents a non-terminal symbol in the grammar. Each non terminal has a textual name, an index, and a string which indicates the type of object it will be implemented with at runtime (i.e. the class of object that will be pushed on the parse stack to represent it).<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 =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Field Summary</B></FONT></TH></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="../../../../weka/core/parser/java_cup/non_terminal.html#is_embedded_action">is_embedded_action</A></B></CODE><BR> flag non-terminals created to embed action productions</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../../weka/core/parser/java_cup/non_terminal.html" title="class in weka.core.parser.java_cup">non_terminal</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#START_nt">START_nt</A></B></CODE><BR> special non-terminal for start symbol</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#non_terminal(java.lang.String)">non_terminal</A></B>(java.lang.String nm)</CODE><BR> Constructor with default type.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#non_terminal(java.lang.String, java.lang.String)">non_terminal</A></B>(java.lang.String nm, java.lang.String tp)</CODE><BR> Full constructor.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></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="../../../../weka/core/parser/java_cup/non_terminal.html#add_production(weka.core.parser.java_cup.production)">add_production</A></B>(<A HREF="../../../../weka/core/parser/java_cup/production.html" title="class in weka.core.parser.java_cup">production</A> prod)</CODE><BR> Add a production to our set of productions.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#all()">all</A></B>()</CODE><BR> Access to all non-terminals.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#clear()">clear</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#compute_first_sets()">compute_first_sets</A></B>()</CODE><BR> Compute first sets for all non-terminals.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#compute_nullability()">compute_nullability</A></B>()</CODE><BR> Compute nullability of all non-terminals.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../../weka/core/parser/java_cup/non_terminal.html" title="class in weka.core.parser.java_cup">non_terminal</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#find(int)">find</A></B>(int indx)</CODE><BR> Lookup a non terminal by index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../../weka/core/parser/java_cup/non_terminal.html" title="class in weka.core.parser.java_cup">non_terminal</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#find(java.lang.String)">find</A></B>(java.lang.String with_name)</CODE><BR> lookup a non terminal by name string</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../weka/core/parser/java_cup/terminal_set.html" title="class in weka.core.parser.java_cup">terminal_set</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#first_set()">first_set</A></B>()</CODE><BR> First set for this non-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="../../../../weka/core/parser/java_cup/non_terminal.html#is_non_term()">is_non_term</A></B>()</CODE><BR> Indicate that this symbol is a non-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="../../../../weka/core/parser/java_cup/non_terminal.html#nullable()">nullable</A></B>()</CODE><BR> Nullability of this non terminal.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#num_productions()">num_productions</A></B>()</CODE><BR> Total number of productions with this non terminal on the LHS.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#number()">number</A></B>()</CODE><BR> Total number of non-terminals.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/parser/java_cup/non_terminal.html#productions()">productions</A></B>()</CODE><BR> Access to productions with this non terminal on the LHS.</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="../../../../weka/core/parser/java_cup/non_terminal.html#toString()">toString</A></B>()</CODE><BR> convert to string</TD></TR></TABLE> <A NAME="methods_inherited_from_class_weka.core.parser.java_cup.symbol"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class weka.core.parser.java_cup.<A HREF="../../../../weka/core/parser/java_cup/symbol.html" title="class in weka.core.parser.java_cup">symbol</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../weka/core/parser/java_cup/symbol.html#index()">index</A>, <A HREF="../../../../weka/core/parser/java_cup/symbol.html#name()">name</A>, <A HREF="../../../../weka/core/parser/java_cup/symbol.html#note_use()">note_use</A>, <A HREF="../../../../weka/core/parser/java_cup/symbol.html#stack_type()">stack_type</A>, <A HREF="../../../../weka/core/parser/java_cup/symbol.html#use_count()">use_count</A></CODE></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>equals, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><A NAME="field_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Field Detail</B></FONT></TH></TR></TABLE><A NAME="START_nt"><!-- --></A><H3>START_nt</H3><PRE>public static final <A HREF="../../../../weka/core/parser/java_cup/non_terminal.html" title="class in weka.core.parser.java_cup">non_terminal</A> <B>START_nt</B></PRE>⌨️ 快捷键说明
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