parser.html

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<PRE>
public <B>Parser</B>()</PRE>
<DL>
<DD>Default constructor.
<P>
</DL>
<HR>

<A NAME="Parser(weka.core.parser.java_cup.runtime.Scanner)"><!-- --></A><H3>
Parser</H3>
<PRE>
public <B>Parser</B>(<A HREF="../../../weka/core/parser/java_cup/runtime/Scanner.html" title="interface in weka.core.parser.java_cup.runtime">Scanner</A>&nbsp;s)</PRE>
<DL>
<DD>Constructor which sets the default scanner.
<P>
</DL>
<HR>

<A NAME="Parser(weka.core.parser.java_cup.runtime.Scanner, weka.core.parser.java_cup.runtime.SymbolFactory)"><!-- --></A><H3>
Parser</H3>
<PRE>
public <B>Parser</B>(<A HREF="../../../weka/core/parser/java_cup/runtime/Scanner.html" title="interface in weka.core.parser.java_cup.runtime">Scanner</A>&nbsp;s,
              <A HREF="../../../weka/core/parser/java_cup/runtime/SymbolFactory.html" title="interface in weka.core.parser.java_cup.runtime">SymbolFactory</A>&nbsp;sf)</PRE>
<DL>
<DD>Constructor which sets the default scanner.
<P>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<B>Method Detail</B></FONT></TH>
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<A NAME="production_table()"><!-- --></A><H3>
production_table</H3>
<PRE>
public short[][] <B>production_table</B>()</PRE>
<DL>
<DD>Access to production table.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html#production_table()">production_table</A></CODE> in class <CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html" title="class in weka.core.parser.java_cup.runtime">lr_parser</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="action_table()"><!-- --></A><H3>
action_table</H3>
<PRE>
public short[][] <B>action_table</B>()</PRE>
<DL>
<DD>Access to parse-action table.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html#action_table()">action_table</A></CODE> in class <CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html" title="class in weka.core.parser.java_cup.runtime">lr_parser</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD><CODE>java_cup.runtime.lr_parser#get_action</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="reduce_table()"><!-- --></A><H3>
reduce_table</H3>
<PRE>
public short[][] <B>reduce_table</B>()</PRE>
<DL>
<DD>Access to <code>reduce_goto</code> table.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html#reduce_table()">reduce_table</A></CODE> in class <CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html" title="class in weka.core.parser.java_cup.runtime">lr_parser</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD><CODE>java_cup.runtime.lr_parser#get_reduce</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="do_action(int, weka.core.parser.java_cup.runtime.lr_parser, java.util.Stack, int)"><!-- --></A><H3>
do_action</H3>
<PRE>
public <A HREF="../../../weka/core/parser/java_cup/runtime/Symbol.html" title="class in weka.core.parser.java_cup.runtime">Symbol</A> <B>do_action</B>(int&nbsp;act_num,
                        <A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html" title="class in weka.core.parser.java_cup.runtime">lr_parser</A>&nbsp;parser,
                        java.util.Stack&nbsp;stack,
                        int&nbsp;top)
                 throws java.lang.Exception</PRE>
<DL>
<DD>Invoke a user supplied parse action.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html#do_action(int, weka.core.parser.java_cup.runtime.lr_parser, java.util.Stack, int)">do_action</A></CODE> in class <CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html" title="class in weka.core.parser.java_cup.runtime">lr_parser</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>act_num</CODE> - the internal index of the action to be performed.<DD><CODE>parser</CODE> - the parser object we are acting for.<DD><CODE>stack</CODE> - the parse stack of that object.<DD><CODE>top</CODE> - the index of the top element of the parse stack.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="start_state()"><!-- --></A><H3>
start_state</H3>
<PRE>
public int <B>start_state</B>()</PRE>
<DL>
<DD>Indicates start state.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html#start_state()">start_state</A></CODE> in class <CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html" title="class in weka.core.parser.java_cup.runtime">lr_parser</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="start_production()"><!-- --></A><H3>
start_production</H3>
<PRE>
public int <B>start_production</B>()</PRE>
<DL>
<DD>Indicates start production.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html#start_production()">start_production</A></CODE> in class <CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html" title="class in weka.core.parser.java_cup.runtime">lr_parser</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="EOF_sym()"><!-- --></A><H3>
EOF_sym</H3>
<PRE>
public int <B>EOF_sym</B>()</PRE>
<DL>
<DD><code>EOF</code> Symbol index.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html#EOF_sym()">EOF_sym</A></CODE> in class <CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html" title="class in weka.core.parser.java_cup.runtime">lr_parser</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="error_sym()"><!-- --></A><H3>
error_sym</H3>
<PRE>
public int <B>error_sym</B>()</PRE>
<DL>
<DD><code>error</code> Symbol index.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html#error_sym()">error_sym</A></CODE> in class <CODE><A HREF="../../../weka/core/parser/java_cup/runtime/lr_parser.html" title="class in weka.core.parser.java_cup.runtime">lr_parser</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setSymbols(java.util.HashMap)"><!-- --></A><H3>
setSymbols</H3>
<PRE>
public void <B>setSymbols</B>(java.util.HashMap&nbsp;value)</PRE>
<DL>
<DD>Sets the variable - value relation to use.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the variable-value relation</DL>
</DD>
</DL>
<HR>

<A NAME="getSymbols()"><!-- --></A><H3>
getSymbols</H3>
<PRE>
public java.util.HashMap <B>getSymbols</B>()</PRE>
<DL>
<DD>Returns the current variable - value relation in use.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the variable-value relation</DL>
</DD>
</DL>
<HR>

<A NAME="setResult(java.lang.Double)"><!-- --></A><H3>
setResult</H3>
<PRE>
public void <B>setResult</B>(java.lang.Double&nbsp;value)</PRE>
<DL>
<DD>Sets the result of the evaluation.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the result</DL>
</DD>
</DL>
<HR>

<A NAME="getResult()"><!-- --></A><H3>
getResult</H3>
<PRE>
public java.lang.Double <B>getResult</B>()</PRE>
<DL>
<DD>Returns the result of the evaluation.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the result</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;args)
                 throws java.lang.Exception</PRE>
<DL>
<DD>Runs the parser from commandline. Either reads lines from System.in
 or from a provided file (line by line). With 
 <code>-symbols <semi-colon separated list of variable/value pairs></code>
 as first parameter one can provide predefined variable values. E.g.:
 <code>-symbols "Y=10;X=3" "X+Y"</code>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - the commandline arguments
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL>
</DD>
</DL>
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