net.sf.saxon.query

Class UndeclaredVariable

java.lang.Object

net.sf.saxon.expr.instruct.GeneralVariable

net.sf.saxon.expr.instruct.GlobalVariable

net.sf.saxon.query.UndeclaredVariable

All Implemented Interfaces:

Serializable, SourceLocator, LocationProvider, SaxonLocator, Binding, Container, Declaration, InstructionInfo, Locator

public class UndeclaredVariable
extends GlobalVariable

An UndeclaredVariable object is created when a reference is encountered to a variable that has not yet been declared. This can happen as a result of recursive module imports. These references are resolved at the end of query parsing.

See Also:

Serialized Form

Field Summary

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

references

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

evaluationMode, referenceCount, slotNumber, variableQName

Constructor Summary

Constructors

Constructor and Description
UndeclaredVariable()

Method Summary

Methods

Modifier and Type	Method and Description
void	compile(Executable exec, int slot) Create a compiled representation of this global variable
void	transferReferences(GlobalVariable var)

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

actuallyEvaluate, evaluateVariable, getColumnNumber, getConstructType, getContainer, getContainerGranularity, getExecutable, getHostLanguage, getLineNumber, getLineNumber, getObjectName, getOriginalVariable, getProperties, getProperty, getSelectValue, getSystemId, getUltimateOriginalVariable, isAssignable, isGlobal, isIndexedVariable, isPrivate, iterateReferences, lookForCycles, registerReference, setAssignable, setContainsLocals, setDependencies, setExecutable, setIndexedVariable, setLineNumber, setOriginalVariable, setPrivate, setSystemId, typeCheck

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

addReference, checkAgainstRequiredType, computeEvaluationMode, copy, explain, getCardinality, getColumnNumber, getEvaluationMode, getInstructionNameCode, getIntegerBoundsForVariable, getLocalSlotNumber, getLocationId, getLocationProvider, getPublicId, getRequiredType, getSelectExpression, getSlotNumber, getSystemId, getVariableQName, init, isImplicitlyRequiredParam, isRequiredParam, isTunnelParam, iterateSubExpressions, optimize, replaceSubExpression, 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

Methods inherited from interface net.sf.saxon.expr.Container

getLocationProvider

Methods inherited from interface org.xml.sax.Locator

getColumnNumber, getPublicId

Methods inherited from interface javax.xml.transform.SourceLocator

getColumnNumber, getPublicId

Methods inherited from interface net.sf.saxon.event.LocationProvider

getSystemId

Constructor Detail

UndeclaredVariable

public UndeclaredVariable()

Method Detail

transferReferences

public void transferReferences(GlobalVariable var)

compile

public void compile(Executable exec,
           int slot)
             throws XPathException

Description copied from class: GlobalVariable

Create a compiled representation of this global variable

Overrides:

compile in class GlobalVariable

Parameters:

exec - the executable

slot - the slot number allocated to this variable

Throws:

XPathException - if compile-time errors are found.