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net.sf.saxon.expr.parser
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<H2>
Package net.sf.saxon.expr.parser
</H2>
This package contains classes associated with parsing and general static analysis of XPath expressions.
<P>
<B>See:</B>
<BR>
<A HREF="#package_description"><B>Description</B></A>
<P>
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<B>Interface Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/CodeInjector.html" title="interface in net.sf.saxon.expr.parser">CodeInjector</A></B></TD>
<TD>A code injector can be used to add code to the expression tree (for example, diagnostic tracing code)
during the process of parsing and tree construction</TD>
</TR>
</TABLE>
<P>
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<B>Class Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/ExpressionLocation.html" title="class in net.sf.saxon.expr.parser">ExpressionLocation</A></B></TD>
<TD>Class to hold details of the location of an expression, of an error in a source file, etc.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/ExpressionParser.html" title="class in net.sf.saxon.expr.parser">ExpressionParser</A></B></TD>
<TD>Parser for XPath expressions and XSLT patterns.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/ExpressionParser.TemporaryContainer.html" title="class in net.sf.saxon.expr.parser">ExpressionParser.TemporaryContainer</A></B></TD>
<TD>A Container used on a temporary basis to hold an expression while it is being parsed</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/ExpressionTool.html" title="class in net.sf.saxon.expr.parser">ExpressionTool</A></B></TD>
<TD>This class, ExpressionTool, contains a number of useful static methods
for manipulating expressions.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/ExpressionVisitor.html" title="class in net.sf.saxon.expr.parser">ExpressionVisitor</A></B></TD>
<TD>The ExpressionVisitor supports the various phases of processing of an expression tree which require
a recursive walk of the tree structure visiting each node in turn.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/ExpressionVisitor.ContextItemType.html" title="class in net.sf.saxon.expr.parser">ExpressionVisitor.ContextItemType</A></B></TD>
<TD>A data structure that represents the required type of the context item, together
with information about whether it is known to be present or absent or whether it
is not known statically whether it is present or absent.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/Optimizer.html" title="class in net.sf.saxon.expr.parser">Optimizer</A></B></TD>
<TD>This class performs optimizations that vary between different versions of the Saxon product.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/PathMap.html" title="class in net.sf.saxon.expr.parser">PathMap</A></B></TD>
<TD>A PathMap is a description of all the paths followed by an expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/PathMap.PathMapArc.html" title="class in net.sf.saxon.expr.parser">PathMap.PathMapArc</A></B></TD>
<TD>An arc joining two nodes in the path map.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/PathMap.PathMapNode.html" title="class in net.sf.saxon.expr.parser">PathMap.PathMapNode</A></B></TD>
<TD>A node in the path map.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/PathMap.PathMapNodeSet.html" title="class in net.sf.saxon.expr.parser">PathMap.PathMapNodeSet</A></B></TD>
<TD>A (mutable) set of nodes in the path map</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/PathMap.PathMapRoot.html" title="class in net.sf.saxon.expr.parser">PathMap.PathMapRoot</A></B></TD>
<TD>A root node in the path map.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/PromotionOffer.html" title="class in net.sf.saxon.expr.parser">PromotionOffer</A></B></TD>
<TD>PromotionOffer is an object used transiently during compilation of an expression.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/RoleLocator.html" title="class in net.sf.saxon.expr.parser">RoleLocator</A></B></TD>
<TD>A RoleLocator identifies the role in which an expression is used, for example as
the third argument of the concat() function.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/Token.html" title="class in net.sf.saxon.expr.parser">Token</A></B></TD>
<TD>This class holds static constants and methods defining the lexical tokens used in
XPath and XQuery, and associated keywords.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/Tokenizer.html" title="class in net.sf.saxon.expr.parser">Tokenizer</A></B></TD>
<TD>Tokenizer for expressions and inputs.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../net/sf/saxon/expr/parser/TypeChecker.html" title="class in net.sf.saxon.expr.parser">TypeChecker</A></B></TD>
<TD>This class provides Saxon's type checking capability.</TD>
</TR>
</TABLE>
<P>
<A NAME="package_description"><!-- --></A><H2>
Package net.sf.saxon.expr.parser Description
</H2>
<P>
<p>This package contains classes associated with parsing and general static analysis of XPath expressions.</p>
<p align="center"><i>Michael H. Kay<br/>
Saxonica Limited<br/>
28 November 2011</i></p>
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