net.sf.saxon.expr.instruct
Class LocalVariable

java.lang.Object
  net.sf.saxon.expr.instruct.GeneralVariable
      net.sf.saxon.expr.instruct.LocalVariable

All Implemented Interfaces:

SourceLocator, Binding

public class LocalVariable
extends GeneralVariable

Handler for local xsl:variable elements in stylesheet. Not used in XQuery. In fact, the class is used only transiently in XSLT: local variables are compiled first to a LocalVariable object, and subsequently to a LetExpression.

Field Summary

Fields inherited from class net.sf.saxon.expr.instruct.GeneralVariable

evaluationMode, referenceCount, slotNumber, variableQName

Constructor Summary

LocalVariable()

Method Summary

ValueRepresentation

evaluateVariable(XPathContext c) Evaluate the variable

Methods inherited from class net.sf.saxon.expr.instruct.GeneralVariable

addReference, checkAgainstRequiredType, computeEvaluationMode, copy, explain, getCardinality, getColumnNumber, getContainer, getEvaluationMode, getExecutable, getInstructionNameCode, getIntegerBoundsForVariable, getLineNumber, getLocalSlotNumber, getLocationId, getLocationProvider, getPublicId, getRequiredType, getSelectExpression, getSelectValue, getSlotNumber, getSystemId, getSystemId, getVariableQName, init, isAssignable, isGlobal, isImplicitlyRequiredParam, isRequiredParam, isTunnelParam, iterateSubExpressions, optimize, replaceSubExpression, setAssignable, setContainer, setImplicitlyRequiredParam, setLocationId, setReferenceCount, setRequiredParam, setRequiredType, setSelectExpression, setSlotNumber, setTunnel, setVariableQName, simplify, typeCheck

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LocalVariable

public LocalVariable()

Method Detail

evaluateVariable

public ValueRepresentation evaluateVariable(XPathContext c)
                                     throws XPathException

Evaluate the variable

Parameters:

c - the XPath dynamic evaluation context

Returns:

the result of evaluating the variable

Throws:

XPathException - if an error occurs while evaluating the variable