Xalan-Java 2.7.1: Uses of Class org.apache.xpath.compiler.Compiler

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## Uses of Class
org.apache.xpath.compiler.Compiler

Packages that use Compiler
org.apache.xpath.axes | Implementation of XPath LocationPath support -- primary classes are LocPathIterator and UnionPathIterator.
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.
org.apache.xpath.functions | Implements XPath functions -- each function is derived from Function, FunctionOneArg, Function2Args, etc, with number-of-arguments checking being applied mainly at compile time -- this package only implements XPath functions, XSLT functions are found in the "templates" package.

Uses of Compiler in org.apache.xpath.axes

Methods in org.apache.xpath.axes with parameters of type Compiler
`static LocPathIterator` | `UnionPathIterator.createUnionIterator(Compiler compiler, int opPos)` This will return an iterator capable of handling the union of paths given.
`void` | `AxesWalker.init(Compiler compiler, int opPos, int stepType)` Initialize an AxesWalker during the parse of the XPath expression.
`void` | `FilterExprWalker.init(Compiler compiler, int opPos, int stepType)` Init a FilterExprWalker.
`static void` | `WalkerFactory.diagnoseIterator(java.lang.String name, int analysis, Compiler compiler)`
`static DTMIterator` | `WalkerFactory.newDTMIterator(Compiler compiler, int opPos, boolean isTopLevel)` Create a new LocPathIterator iterator.
`static int` | `WalkerFactory.getAxisFromStep(Compiler compiler, int stepOpCodePos)` Special purpose function to see if we can optimize the pattern for a DescendantIterator.
`static boolean` | `WalkerFactory.mightBeProximate(Compiler compiler, int opPos, int stepType)` Tell if the predicates need to have proximity knowledge.

Constructors in org.apache.xpath.axes with parameters of type Compiler
`UnionPathIterator.UnionPathIterator(Compiler compiler, int opPos)` Create a UnionPathIterator object, including creation of location path iterators from the opcode list, and call back into the Compiler to create predicate expressions.

Uses of Compiler in org.apache.xpath.compiler

Methods in org.apache.xpath.compiler with parameters of type Compiler
`void` | `XPathParser.initXPath(Compiler compiler, java.lang.String expression, PrefixResolver namespaceContext)` Given an string, init an XPath object for selections, in order that a parse doesn't have to be done each time the expression is evaluated.
`void` | `XPathParser.initMatchPattern(Compiler compiler, java.lang.String expression, PrefixResolver namespaceContext)` Given an string, init an XPath object for pattern matches, in order that a parse doesn't have to be done each time the expression is evaluated.

Uses of Compiler in org.apache.xpath.functions

Methods in org.apache.xpath.functions with parameters of type Compiler
`void` | `Function.postCompileStep(Compiler compiler)` This function is currently only being used by Position() and Last().
`void` | `FuncPosition.postCompileStep(Compiler compiler)` Figure out if we're executing a toplevel expression.
`void` | `FuncLast.postCompileStep(Compiler compiler)` Figure out if we're executing a toplevel expression.

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