lexer.html

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<PRE>
public static final int <B>CODESEG</B></PRE>
<DL>
<DD>lexical states
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#weka.core.parser.java_cup.Lexer.CODESEG">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="YYINITIAL"><!-- --></A><H3>
YYINITIAL</H3>
<PRE>
public static final int <B>YYINITIAL</B></PRE>
<DL>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#weka.core.parser.java_cup.Lexer.YYINITIAL">Constant Field Values</A></DL>
</DL>

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<A NAME="Lexer(weka.core.parser.java_cup.runtime.ComplexSymbolFactory)"><!-- --></A><H3>
Lexer</H3>
<PRE>
public <B>Lexer</B>(<A HREF="../../../../weka/core/parser/java_cup/runtime/ComplexSymbolFactory.html" title="class in weka.core.parser.java_cup.runtime">ComplexSymbolFactory</A>&nbsp;sf)</PRE>
<DL>
</DL>
<HR>

<A NAME="Lexer(java.io.Reader)"><!-- --></A><H3>
Lexer</H3>
<PRE>
public <B>Lexer</B>(java.io.Reader&nbsp;in)</PRE>
<DL>
<DD>Creates a new scanner
 There is also a java.io.InputStream version of this constructor.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>in</CODE> - the java.io.Reader to read input from.</DL>
</DL>
<HR>

<A NAME="Lexer(java.io.InputStream)"><!-- --></A><H3>
Lexer</H3>
<PRE>
public <B>Lexer</B>(java.io.InputStream&nbsp;in)</PRE>
<DL>
<DD>Creates a new scanner.
 There is also java.io.Reader version of this constructor.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>in</CODE> - the java.io.Inputstream to read input from.</DL>
</DL>

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<A NAME="symbol(java.lang.String, int)"><!-- --></A><H3>
symbol</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>symbol</B>(java.lang.String&nbsp;name,
                     int&nbsp;code)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="symbol(java.lang.String, int, java.lang.String)"><!-- --></A><H3>
symbol</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>symbol</B>(java.lang.String&nbsp;name,
                     int&nbsp;code,
                     java.lang.String&nbsp;lexem)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="yyclose()"><!-- --></A><H3>
yyclose</H3>
<PRE>
public final void <B>yyclose</B>()
                   throws java.io.IOException</PRE>
<DL>
<DD>Closes the input stream.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="yyreset(java.io.Reader)"><!-- --></A><H3>
yyreset</H3>
<PRE>
public final void <B>yyreset</B>(java.io.Reader&nbsp;reader)
                   throws java.io.IOException</PRE>
<DL>
<DD>Closes the current stream, and resets the
 scanner to read from a new input stream.

 All internal variables are reset, the old input stream 
 <b>cannot</b> be reused (internal buffer is discarded and lost).
 Lexical state is set to <tt>YY_INITIAL</tt>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>reader</CODE> - the new input stream
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="yystate()"><!-- --></A><H3>
yystate</H3>
<PRE>
public final int <B>yystate</B>()</PRE>
<DL>
<DD>Returns the current lexical state.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="yybegin(int)"><!-- --></A><H3>
yybegin</H3>
<PRE>
public final void <B>yybegin</B>(int&nbsp;newState)</PRE>
<DL>
<DD>Enters a new lexical state
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newState</CODE> - the new lexical state</DL>
</DD>
</DL>
<HR>

<A NAME="yytext()"><!-- --></A><H3>
yytext</H3>
<PRE>
public final java.lang.String <B>yytext</B>()</PRE>
<DL>
<DD>Returns the text matched by the current regular expression.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="yycharat(int)"><!-- --></A><H3>
yycharat</H3>
<PRE>
public final char <B>yycharat</B>(int&nbsp;pos)</PRE>
<DL>
<DD>Returns the character at position <tt>pos</tt> from the 
 matched text. 
 
 It is equivalent to yytext().charAt(pos), but faster
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pos</CODE> - the position of the character to fetch. 
            A value from 0 to yylength()-1.
<DT><B>Returns:</B><DD>the character at position pos</DL>
</DD>
</DL>
<HR>

<A NAME="yylength()"><!-- --></A><H3>
yylength</H3>
<PRE>
public final int <B>yylength</B>()</PRE>
<DL>
<DD>Returns the length of the matched text region.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="next_token()"><!-- --></A><H3>
next_token</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>next_token</B>()
                  throws java.io.IOException</PRE>
<DL>
<DD>Resumes scanning until the next regular expression is matched,
 the end of input is encountered or an I/O-Error occurs.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/core/parser/java_cup/runtime/Scanner.html#next_token()">next_token</A></CODE> in interface <CODE><A HREF="../../../../weka/core/parser/java_cup/runtime/Scanner.html" title="interface in weka.core.parser.java_cup.runtime">Scanner</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the next token
<DT><B>Throws:</B>
<DD><CODE>IOException</CODE> - if any I/O-Error occurs</DL>
</DD>
</DL>
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