# Package org.apache.xpath.compiler

Implements an XPath parser which produces an OpMap, and a so-called Compiler which produces an expression tree for fast evaluation.

See: Description

Class Summary
Class | Description
--- | ---
Compiler | An instance of this class compiles an XPath string expression into a Expression object.
FunctionTable | The function table for XPath.
Keywords | Table of strings to operation code lookups.
OpCodes | Operations codes for XPath.
OpMap | This class represents the data structure basics of the XPath object.
OpMapVector | Like IntVector, but used only for the OpMap array.
PsuedoNames | This is used to represent names of nodes that may not be named, like a comment node.
XPathDumper | Class for XPath diagnostic functions.
XPathParser | Tokenizes and parses XPath expressions.

## Package org.apache.xpath.compiler Description

Implements an XPath parser which produces an OpMap, and a so-called Compiler which produces an expression tree for fast evaluation.