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Predicate
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org.apache.xalan.xsltc.compiler</FONT>
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Class Predicate</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html" title="class in org.apache.xalan.xsltc.compiler">org.apache.xalan.xsltc.compiler.SyntaxTreeNode</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">org.apache.xalan.xsltc.compiler.Expression</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.xalan.xsltc.compiler.Predicate</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html" title="interface in org.apache.xalan.xsltc.compiler">Constants</A></DD>
</DL>
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<DL>
<DT><PRE>final class <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.56"><B>Predicate</B></A><DT>extends <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A><DT>implements <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A></DL>
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<HR>
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<!-- =========== FIELD SUMMARY =========== -->
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Field Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_canOptimize">_canOptimize</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This flag indicates if optimizations are turned on.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_className">_className</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Name of the inner class.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;java.util.ArrayList</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_closureVars">_closureVars</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;List of variables in closure.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_exp">_exp</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The predicate's expression.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_nthDescendant">_nthDescendant</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Flag indicatig if the nth position descendant is on.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_nthPositionFilter">_nthPositionFilter</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Flag indicatig if the nth position optimization is on.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_parentClosure">_parentClosure</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reference to parent closure.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) &nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_ptype">_ptype</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cached node type of the expression that owns this predicate.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Step.html" title="class in org.apache.xalan.xsltc.compiler">Step</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_step">_step</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cached value of method <code>getCompareValue()</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#_value">_value</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cached value of method <code>getCompareValue()</code>.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.apache.xalan.xsltc.compiler.Expression"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.xalan.xsltc.compiler.<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#_falseList">_falseList</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#_trueList">_trueList</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#_type">_type</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.apache.xalan.xsltc.compiler.SyntaxTreeNode"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.xalan.xsltc.compiler.<A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html" title="class in org.apache.xalan.xsltc.compiler">SyntaxTreeNode</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#_attributes">_attributes</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#_parent">_parent</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#_qname">_qname</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#Dummy">Dummy</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#IndentIncrement">IndentIncrement</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#UNKNOWN_STYLESHEET_NODE_ID">UNKNOWN_STYLESHEET_NODE_ID</A></CODE></TD>
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</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.apache.xalan.xsltc.compiler.Constants"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from interface org.apache.xalan.xsltc.compiler.<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html" title="interface in org.apache.xalan.xsltc.compiler">Constants</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ABSOLUTE_ITERATOR">ABSOLUTE_ITERATOR</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ACC_FINAL">ACC_FINAL</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ACC_PRIVATE">ACC_PRIVATE</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ACC_PROTECTED">ACC_PROTECTED</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ACC_PUBLIC">ACC_PUBLIC</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ACC_STATIC">ACC_STATIC</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ACC_SUPER">ACC_SUPER</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ADD_ATTRIBUTE">ADD_ATTRIBUTE</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ADD_ATTRIBUTE_SIG">ADD_ATTRIBUTE_SIG</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ADD_ITERATOR">ADD_ITERATOR</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ADD_ITERATOR_SIG">ADD_ITERATOR_SIG</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ADD_PARAMETER">ADD_PARAMETER</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ADD_PARAMETER_SIG">ADD_PARAMETER_SIG</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#APPLY_TEMPLATES">APPLY_TEMPLATES</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ATTR_SET_SIG">ATTR_SET_SIG</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ATTRIBUTE_LIST_FIELD">ATTRIBUTE_LIST_FIELD</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#ATTRIBUTE_LIST_IMPL_CLASS">ATTRIBUTE_LIST_IMPL_CLASS</A>, <A 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HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#XHTML_URI">XHTML_URI</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#XMLNS_PREFIX">XMLNS_PREFIX</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#XMLNS_STRING">XMLNS_STRING</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#XMLNS_URI">XMLNS_URI</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#XSLT_PACKAGE">XSLT_PACKAGE</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Constants.html#XSLT_URI">XSLT_URI</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<!-- ======== 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="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#Predicate(org.apache.xalan.xsltc.compiler.Expression)">Predicate</A></B>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A>&nbsp;exp)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Initializes a predicate.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== 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>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#addVariable(org.apache.xalan.xsltc.compiler.VariableRefBase)">addVariable</A></B>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/VariableRefBase.html" title="class in org.apache.xalan.xsltc.compiler">VariableRefBase</A>&nbsp;variableRef)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add new variable to the closure.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#compileFilter(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">compileFilter</A></B>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/ClassGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">ClassGenerator</A>&nbsp;classGen,
<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/MethodGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">MethodGenerator</A>&nbsp;methodGen)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new "Filter" class implementing
<code>CurrentNodeListFilter</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#dontOptimize()">dontOptimize</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Turns off all optimizations for this predicate.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#getCompareValue()">getCompareValue</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the value in an expression of the form 'step = value'.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#getExpr()">getExpr</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#getInnerClassName()">getInnerClassName</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the name of the auxiliary class or null if this predicate
is compiled inside the Translet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#getParentClosure()">getParentClosure</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a reference to its parent closure or null if outermost.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#getPosType()">getPosType</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the node type of the expression owning this predicate.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Step.html" title="class in org.apache.xalan.xsltc.compiler">Step</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#getStep()">getStep</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the step in an expression of the form 'step = value'.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#hasLastCall()">hasLastCall</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true if the expression in this predicate contains a call
to last().</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#hasPositionCall()">hasPositionCall</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true if the expression in this predicate contains a call
to position().</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#inInnerClass()">inInnerClass</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true if this closure is compiled in an inner class (i.e.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#isBooleanTest()">isBooleanTest</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true if the predicate is a test for the existance of an
element or attribute.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#isNodeValueTest()">isNodeValueTest</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Method to see if we can optimise the predicate by using a specialised
iterator for expressions like '/foo/bar[@attr = $var]', which are
very common in many stylesheets</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#isNthDescendant()">isNthDescendant</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a boolean value indicating if the nth descendant optimization
is on.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#isNthPositionFilter()">isNthPositionFilter</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a boolean value indicating if the nth position optimization
is on.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#parentIsPattern()">parentIsPattern</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#setParser(org.apache.xalan.xsltc.compiler.Parser)">setParser</A></B>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Parser.html" title="class in org.apache.xalan.xsltc.compiler">Parser</A>&nbsp;parser)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the parser for this expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#toString()">toString</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#translate(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">translate</A></B>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/ClassGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">ClassGenerator</A>&nbsp;classGen,
<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/MethodGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">MethodGenerator</A>&nbsp;methodGen)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Translate a predicate expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#translateFilter(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">translateFilter</A></B>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/ClassGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">ClassGenerator</A>&nbsp;classGen,
<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/MethodGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">MethodGenerator</A>&nbsp;methodGen)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Translate a predicate expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/Type.html" title="class in org.apache.xalan.xsltc.compiler.util">Type</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Predicate.html#typeCheck(org.apache.xalan.xsltc.compiler.SymbolTable)">typeCheck</A></B>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/SymbolTable.html" title="class in org.apache.xalan.xsltc.compiler">SymbolTable</A>&nbsp;stable)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Type check a predicate expression.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.xalan.xsltc.compiler.Expression"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.xalan.xsltc.compiler.<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#backPatchFalseList(InstructionHandle)">backPatchFalseList</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#backPatchTrueList(InstructionHandle)">backPatchTrueList</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#compile(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">compile</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#desynthesize(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">desynthesize</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#evaluateAtCompileTime()">evaluateAtCompileTime</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#getFalseList()">getFalseList</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#getTrueList()">getTrueList</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#getType()">getType</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#lookupPrimop(org.apache.xalan.xsltc.compiler.SymbolTable, java.lang.String, org.apache.xalan.xsltc.compiler.util.MethodType)">lookupPrimop</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#startIterator(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">startIterator</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#synthesize(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">synthesize</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#translateDesynthesized(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">translateDesynthesized</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.xalan.xsltc.compiler.SyntaxTreeNode"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.xalan.xsltc.compiler.<A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html" title="class in org.apache.xalan.xsltc.compiler">SyntaxTreeNode</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#addAttribute(java.lang.String, java.lang.String)">addAttribute</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#addElement(org.apache.xalan.xsltc.compiler.SyntaxTreeNode)">addElement</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#addPrefixMapping(java.lang.String, java.lang.String)">addPrefixMapping</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#compileResultTree(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">compileResultTree</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#contextDependent()">contextDependent</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#dependentContents()">dependentContents</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#display(int)">display</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#displayContents(int)">displayContents</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#elementAt(int)">elementAt</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#elementCount()">elementCount</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#elements()">elements</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getAttribute(java.lang.String)">getAttribute</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getAttribute(java.lang.String, java.lang.String)">getAttribute</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getAttributes()">getAttributes</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getContents()">getContents</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getImportPrecedence()">getImportPrecedence</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getLineNumber()">getLineNumber</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getNodeIDForStylesheetNSLookup()">getNodeIDForStylesheetNSLookup</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getParent()">getParent</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getParser()">getParser</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getPrefixMapping()">getPrefixMapping</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getQName()">getQName</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getStylesheet()">getStylesheet</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getSymbolTable()">getSymbolTable</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getTemplate()">getTemplate</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#getXSLTC()">getXSLTC</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#hasAttribute(java.lang.String)">hasAttribute</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#hasContents()">hasContents</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#indent(int)">indent</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#isDummy()">isDummy</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#lastChild()">lastChild</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#lookupNamespace(java.lang.String)">lookupNamespace</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#lookupPrefix(java.lang.String)">lookupPrefix</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#parseChildren(org.apache.xalan.xsltc.compiler.Parser)">parseChildren</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#parseContents(org.apache.xalan.xsltc.compiler.Parser)">parseContents</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#removeElement(org.apache.xalan.xsltc.compiler.SyntaxTreeNode)">removeElement</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#reportError(org.apache.xalan.xsltc.compiler.SyntaxTreeNode, org.apache.xalan.xsltc.compiler.Parser, java.lang.String, java.lang.String)">reportError</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#reportWarning(org.apache.xalan.xsltc.compiler.SyntaxTreeNode, org.apache.xalan.xsltc.compiler.Parser, java.lang.String, java.lang.String)">reportWarning</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#setAttributes(org.apache.xalan.xsltc.runtime.AttributeList)">setAttributes</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#setFirstElement(org.apache.xalan.xsltc.compiler.SyntaxTreeNode)">setFirstElement</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#setLineNumber(int)">setLineNumber</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#setParent(org.apache.xalan.xsltc.compiler.SyntaxTreeNode)">setParent</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#setPrefixMapping(java.util.Hashtable)">setPrefixMapping</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#setQName(org.apache.xalan.xsltc.compiler.QName)">setQName</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#setQName(java.lang.String, java.lang.String, java.lang.String)">setQName</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#translateContents(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">translateContents</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#typeCheckContents(org.apache.xalan.xsltc.compiler.SymbolTable)">typeCheckContents</A>, <A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#updateScope(org.apache.xalan.xsltc.compiler.Parser, org.apache.xalan.xsltc.compiler.SyntaxTreeNode)">updateScope</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<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, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<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="_exp"><!-- --></A><H3>
_exp</H3>
<PRE>
private <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A> <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.61"><B>_exp</B></A></PRE>
<DL>
<DD>The predicate's expression.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_canOptimize"><!-- --></A><H3>
_canOptimize</H3>
<PRE>
private boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.68"><B>_canOptimize</B></A></PRE>
<DL>
<DD>This flag indicates if optimizations are turned on. The
method <code>dontOptimize()</code> can be called to turn
optimizations off.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_nthPositionFilter"><!-- --></A><H3>
_nthPositionFilter</H3>
<PRE>
private boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.74"><B>_nthPositionFilter</B></A></PRE>
<DL>
<DD>Flag indicatig if the nth position optimization is on. It
is set in <code>typeCheck()</code>.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_nthDescendant"><!-- --></A><H3>
_nthDescendant</H3>
<PRE>
private boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.80"><B>_nthDescendant</B></A></PRE>
<DL>
<DD>Flag indicatig if the nth position descendant is on. It
is set in <code>typeCheck()</code>.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_ptype"><!-- --></A><H3>
_ptype</H3>
<PRE>
int <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.85"><B>_ptype</B></A></PRE>
<DL>
<DD>Cached node type of the expression that owns this predicate.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_className"><!-- --></A><H3>
_className</H3>
<PRE>
private java.lang.String <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.90"><B>_className</B></A></PRE>
<DL>
<DD>Name of the inner class.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_closureVars"><!-- --></A><H3>
_closureVars</H3>
<PRE>
private java.util.ArrayList <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.95"><B>_closureVars</B></A></PRE>
<DL>
<DD>List of variables in closure.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_parentClosure"><!-- --></A><H3>
_parentClosure</H3>
<PRE>
private <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A> <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.100"><B>_parentClosure</B></A></PRE>
<DL>
<DD>Reference to parent closure.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_value"><!-- --></A><H3>
_value</H3>
<PRE>
private <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A> <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.105"><B>_value</B></A></PRE>
<DL>
<DD>Cached value of method <code>getCompareValue()</code>.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="_step"><!-- --></A><H3>
_step</H3>
<PRE>
private <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Step.html" title="class in org.apache.xalan.xsltc.compiler">Step</A> <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.110"><B>_step</B></A></PRE>
<DL>
<DD>Cached value of method <code>getCompareValue()</code>.
<P>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_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>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="Predicate(org.apache.xalan.xsltc.compiler.Expression)"><!-- --></A><H3>
Predicate</H3>
<PRE>
public <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.115"><B>Predicate</B></A>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A>&nbsp;exp)</PRE>
<DL>
<DD>Initializes a predicate.
<P>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_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>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="setParser(org.apache.xalan.xsltc.compiler.Parser)"><!-- --></A><H3>
setParser</H3>
<PRE>
public void <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.124"><B>setParser</B></A>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/Parser.html" title="class in org.apache.xalan.xsltc.compiler">Parser</A>&nbsp;parser)</PRE>
<DL>
<DD>Set the parser for this expression.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html#setParser(org.apache.xalan.xsltc.compiler.Parser)">setParser</A></CODE> in class <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/SyntaxTreeNode.html" title="class in org.apache.xalan.xsltc.compiler">SyntaxTreeNode</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parser</CODE> - The XSLT parser.</DL>
</DD>
</DL>
<HR>
<A NAME="isNthPositionFilter()"><!-- --></A><H3>
isNthPositionFilter</H3>
<PRE>
public boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.133"><B>isNthPositionFilter</B></A>()</PRE>
<DL>
<DD>Returns a boolean value indicating if the nth position optimization
is on. Must be call after type checking!
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isNthDescendant()"><!-- --></A><H3>
isNthDescendant</H3>
<PRE>
public boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.141"><B>isNthDescendant</B></A>()</PRE>
<DL>
<DD>Returns a boolean value indicating if the nth descendant optimization
is on. Must be call after type checking!
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="dontOptimize()"><!-- --></A><H3>
dontOptimize</H3>
<PRE>
public void <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.148"><B>dontOptimize</B></A>()</PRE>
<DL>
<DD>Turns off all optimizations for this predicate.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="hasPositionCall()"><!-- --></A><H3>
hasPositionCall</H3>
<PRE>
public boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.156"><B>hasPositionCall</B></A>()</PRE>
<DL>
<DD>Returns true if the expression in this predicate contains a call
to position().
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#hasPositionCall()">hasPositionCall</A></CODE> in class <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="hasLastCall()"><!-- --></A><H3>
hasLastCall</H3>
<PRE>
public boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.164"><B>hasLastCall</B></A>()</PRE>
<DL>
<DD>Returns true if the expression in this predicate contains a call
to last().
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#hasLastCall()">hasLastCall</A></CODE> in class <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="inInnerClass()"><!-- --></A><H3>
inInnerClass</H3>
<PRE>
public boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.174"><B>inInnerClass</B></A>()</PRE>
<DL>
<DD>Returns true if this closure is compiled in an inner class (i.e.
if this is a real closure).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html#inInnerClass()">inInnerClass</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getParentClosure()"><!-- --></A><H3>
getParentClosure</H3>
<PRE>
public <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A> <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.181"><B>getParentClosure</B></A>()</PRE>
<DL>
<DD>Returns a reference to its parent closure or null if outermost.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html#getParentClosure()">getParentClosure</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getInnerClassName()"><!-- --></A><H3>
getInnerClassName</H3>
<PRE>
public java.lang.String <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.202"><B>getInnerClassName</B></A>()</PRE>
<DL>
<DD>Returns the name of the auxiliary class or null if this predicate
is compiled inside the Translet.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html#getInnerClassName()">getInnerClassName</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="addVariable(org.apache.xalan.xsltc.compiler.VariableRefBase)"><!-- --></A><H3>
addVariable</H3>
<PRE>
public void <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.209"><B>addVariable</B></A>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/VariableRefBase.html" title="class in org.apache.xalan.xsltc.compiler">VariableRefBase</A>&nbsp;variableRef)</PRE>
<DL>
<DD>Add new variable to the closure.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html#addVariable(org.apache.xalan.xsltc.compiler.VariableRefBase)">addVariable</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Closure.html" title="interface in org.apache.xalan.xsltc.compiler">Closure</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getPosType()"><!-- --></A><H3>
getPosType</H3>
<PRE>
public int <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.232"><B>getPosType</B></A>()</PRE>
<DL>
<DD>Returns the node type of the expression owning this predicate. The
return value is cached in <code>_ptype</code>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="parentIsPattern()"><!-- --></A><H3>
parentIsPattern</H3>
<PRE>
public boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.260"><B>parentIsPattern</B></A>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getExpr()"><!-- --></A><H3>
getExpr</H3>
<PRE>
public <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A> <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.264"><B>getExpr</B></A>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.268"><B>toString</B></A>()</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="typeCheck(org.apache.xalan.xsltc.compiler.SymbolTable)"><!-- --></A><H3>
typeCheck</H3>
<PRE>
public <A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/Type.html" title="class in org.apache.xalan.xsltc.compiler.util">Type</A> <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.283"><B>typeCheck</B></A>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/SymbolTable.html" title="class in org.apache.xalan.xsltc.compiler">SymbolTable</A>&nbsp;stable)
throws <A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/TypeCheckError.html" title="class in org.apache.xalan.xsltc.compiler.util">TypeCheckError</A></PRE>
<DL>
<DD>Type check a predicate expression. If the type of the expression is
number convert it to boolean by adding a comparison with position().
Note that if the expression is a parameter, we cannot distinguish
at compile time if its type is number or not. Hence, expressions of
reference type are always converted to booleans.
This method may be called twice, before and after calling
<code>dontOptimize()</code>. If so, the second time it should honor
the new value of <code>_canOptimize</code>.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#typeCheck(org.apache.xalan.xsltc.compiler.SymbolTable)">typeCheck</A></CODE> in class <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>stable</CODE> - The compiler/parser's symbol table
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/TypeCheckError.html" title="class in org.apache.xalan.xsltc.compiler.util">TypeCheckError</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="compileFilter(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)"><!-- --></A><H3>
compileFilter</H3>
<PRE>
private void <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.354"><B>compileFilter</B></A>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/ClassGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">ClassGenerator</A>&nbsp;classGen,
<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/MethodGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">MethodGenerator</A>&nbsp;methodGen)</PRE>
<DL>
<DD>Create a new "Filter" class implementing
<code>CurrentNodeListFilter</code>. Allocate registers for local
variables and local parameters passed in the closure to test().
Notice that local variables need to be "unboxed".
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isBooleanTest()"><!-- --></A><H3>
isBooleanTest</H3>
<PRE>
public boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.432"><B>isBooleanTest</B></A>()</PRE>
<DL>
<DD>Returns true if the predicate is a test for the existance of an
element or attribute. All we have to do is to get the first node
from the step, check if it is there, and then return true/false.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isNodeValueTest()"><!-- --></A><H3>
isNodeValueTest</H3>
<PRE>
public boolean <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.441"><B>isNodeValueTest</B></A>()</PRE>
<DL>
<DD>Method to see if we can optimise the predicate by using a specialised
iterator for expressions like '/foo/bar[@attr = $var]', which are
very common in many stylesheets
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getStep()"><!-- --></A><H3>
getStep</H3>
<PRE>
public <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Step.html" title="class in org.apache.xalan.xsltc.compiler">Step</A> <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.451"><B>getStep</B></A>()</PRE>
<DL>
<DD>Returns the step in an expression of the form 'step = value'.
Null is returned if the expression is not of the right form.
Optimization if off if null is returned.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getCompareValue()"><!-- --></A><H3>
getCompareValue</H3>
<PRE>
public <A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A> <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.492"><B>getCompareValue</B></A>()</PRE>
<DL>
<DD>Returns the value in an expression of the form 'step = value'.
A value may be either a literal string or a variable whose
type is string. Optimization if off if null is returned.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="translateFilter(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)"><!-- --></A><H3>
translateFilter</H3>
<PRE>
public void <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.543"><B>translateFilter</B></A>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/ClassGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">ClassGenerator</A>&nbsp;classGen,
<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/MethodGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">MethodGenerator</A>&nbsp;methodGen)</PRE>
<DL>
<DD>Translate a predicate expression. This translation pushes
two references on the stack: a reference to a newly created
filter object and a reference to the predicate's closure.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="translate(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)"><!-- --></A><H3>
translate</H3>
<PRE>
public void <A HREF="../../../../../src-html/org/apache/xalan/xsltc/compiler/Predicate.html#line.600"><B>translate</B></A>(<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/ClassGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">ClassGenerator</A>&nbsp;classGen,
<A HREF="../../../../../org/apache/xalan/xsltc/compiler/util/MethodGenerator.html" title="class in org.apache.xalan.xsltc.compiler.util">MethodGenerator</A>&nbsp;methodGen)</PRE>
<DL>
<DD>Translate a predicate expression. If non of the optimizations apply
then this translation pushes two references on the stack: a reference
to a newly created filter object and a reference to the predicate's
closure. See class <code>Step</code> for further details.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html#translate(org.apache.xalan.xsltc.compiler.util.ClassGenerator, org.apache.xalan.xsltc.compiler.util.MethodGenerator)">translate</A></CODE> in class <CODE><A HREF="../../../../../org/apache/xalan/xsltc/compiler/Expression.html" title="class in org.apache.xalan.xsltc.compiler">Expression</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>classGen</CODE> - BCEL Java class generator<DD><CODE>methodGen</CODE> - BCEL Java method generator</DL>
</DD>
</DL>
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