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Java Source Code / Java Documentation » XML » saxonb » net.sf.saxon.instruct 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   net.sf.saxon.expr.ComputedExpression
      net.sf.saxon.instruct.Instruction
         net.sf.saxon.instruct.GeneralVariable
            net.sf.saxon.instruct.GlobalVariable

All known Subclasses:   net.sf.saxon.instruct.GlobalParam,
GlobalVariable
public class GlobalVariable extends GeneralVariable implements Container(Code)
A compiled global variable in a stylesheet or query.



Constructor Summary
public  GlobalVariable()
    

Method Summary
public  ValueRepresentationevaluateVariable(XPathContext context)
    
public  ExecutablegetExecutable()
    
public  InstructionInfogetInstructionInfo()
    
public  ValueRepresentationgetSelectValue(XPathContext context)
     Evaluate the variable.
public  booleanisGlobal()
    
public  voidlookForCycles(Stack referees)
     Check for cycles in this variable definition
Parameters:
  referees - the calls leading up to this one; it's an error if this variable is on thestack, because that means it calls itself directly or indirectly.
public  TailCallprocessLeavingTail(XPathContext context)
    
public  voidsetContainsLocals(SlotManager map)
    
public  voidsetExecutable(Executable executable)
    


Constructor Detail
GlobalVariable
public GlobalVariable()(Code)




Method Detail
evaluateVariable
public ValueRepresentation evaluateVariable(XPathContext context) throws XPathException(Code)
Evaluate the variable



getExecutable
public Executable getExecutable()(Code)



getInstructionInfo
public InstructionInfo getInstructionInfo()(Code)
Get InstructionInfo for this expression



getSelectValue
public ValueRepresentation getSelectValue(XPathContext context) throws XPathException(Code)
Evaluate the variable. That is, get the value of the select expression if present or the content of the element otherwise, either as a tree or as a sequence



isGlobal
public boolean isGlobal()(Code)



lookForCycles
public void lookForCycles(Stack referees) throws StaticError(Code)
Check for cycles in this variable definition
Parameters:
  referees - the calls leading up to this one; it's an error if this variable is on thestack, because that means it calls itself directly or indirectly. The stack may containvariable definitions (GlobalVariable objects) and user-defined functions (UserFunction objects).It will never contain the same object more than once.



processLeavingTail
public TailCall processLeavingTail(XPathContext context) throws XPathException(Code)
Process the variable declaration



setContainsLocals
public void setContainsLocals(SlotManager map)(Code)



setExecutable
public void setExecutable(Executable executable)(Code)



Fields inherited from net.sf.saxon.instruct.GeneralVariable
protected int nameCode(Code)(Java Doc)
protected int referenceCount(Code)(Java Doc)
SequenceType requiredType(Code)(Java Doc)
Expression select(Code)(Java Doc)

Methods inherited from net.sf.saxon.instruct.GeneralVariable
public void display(int level, NamePool pool, PrintStream out)(Code)(Java Doc)
public Item evaluateItem(XPathContext context) throws XPathException(Code)(Java Doc)
public int getCardinality()(Code)(Java Doc)
public int getInstructionNameCode()(Code)(Java Doc)
public ItemType getItemType(TypeHierarchy th)(Code)(Java Doc)
public int getLocalSlotNumber()(Code)(Java Doc)
public int getNameCode()(Code)(Java Doc)
public SequenceType getRequiredType()(Code)(Java Doc)
public Expression getSelectExpression()(Code)(Java Doc)
public ValueRepresentation getSelectValue(XPathContext context) throws XPathException(Code)(Java Doc)
public int getSlotNumber()(Code)(Java Doc)
public int getVariableFingerprint()(Code)(Java Doc)
public String getVariableName()(Code)(Java Doc)
public void init(Expression select, int nameCode)(Code)(Java Doc)
final public boolean isAssignable()(Code)(Java Doc)
public boolean isGlobal()(Code)(Java Doc)
final public boolean isRequiredParam()(Code)(Java Doc)
final public boolean isTunnelParam()(Code)(Java Doc)
public SequenceIterator iterate(XPathContext context) throws XPathException(Code)(Java Doc)
public Iterator iterateSubExpressions()(Code)(Java Doc)
public Expression optimize(Optimizer opt, StaticContext env, ItemType contextItemType) throws XPathException(Code)(Java Doc)
protected void promoteInst(PromotionOffer offer) throws XPathException(Code)(Java Doc)
public void setAssignable(boolean assignable)(Code)(Java Doc)
public void setNameCode(int nameCode)(Code)(Java Doc)
public void setReferenceCount(int refCount)(Code)(Java Doc)
public void setRequiredParam(boolean requiredParam)(Code)(Java Doc)
public void setRequiredType(SequenceType required)(Code)(Java Doc)
public void setSelectExpression(Expression select)(Code)(Java Doc)
public void setSlotNumber(int s)(Code)(Java Doc)
public void setTunnel(boolean tunnel)(Code)(Java Doc)
public void setVariableName(String s)(Code)(Java Doc)
public Expression simplify(StaticContext env) throws XPathException(Code)(Java Doc)
public Expression typeCheck(StaticContext env, ItemType contextItemType) throws XPathException(Code)(Java Doc)

Methods inherited from net.sf.saxon.instruct.Instruction
public static void appendItem(Item it, SequenceReceiver out, int locationId) throws XPathException(Code)(Java Doc)
protected static ParameterSet assembleParams(XPathContext context, WithParam[] actualParams) throws XPathException(Code)(Java Doc)
protected static ParameterSet assembleTunnelParams(XPathContext context, WithParam[] actualParams) throws XPathException(Code)(Java Doc)
public int computeCardinality()(Code)(Java Doc)
public int computeSpecialProperties()(Code)(Java Doc)
public boolean createsNewNodes()(Code)(Java Doc)
protected static XPathException dynamicError(SourceLocator loc, XPathException error, XPathContext context)(Code)(Java Doc)
final public String evaluateAsString(XPathContext context) throws XPathException(Code)(Java Doc)
public Item evaluateItem(XPathContext context) throws XPathException(Code)(Java Doc)
public int getImplementationMethod()(Code)(Java Doc)
public InstructionInfo getInstructionInfo()(Code)(Java Doc)
public int getInstructionNameCode()(Code)(Java Doc)
public ItemType getItemType(TypeHierarchy th)(Code)(Java Doc)
public SourceLocator getSourceLocator()(Code)(Java Doc)
public boolean isXSLT(XPathContext context)(Code)(Java Doc)
public SequenceIterator iterate(XPathContext context) throws XPathException(Code)(Java Doc)
public void process(XPathContext context) throws XPathException(Code)(Java Doc)
abstract public TailCall processLeavingTail(XPathContext context) throws XPathException(Code)(Java Doc)
public Expression promote(PromotionOffer offer) throws XPathException(Code)(Java Doc)
protected void promoteInst(PromotionOffer offer) throws XPathException(Code)(Java Doc)
abstract public Expression simplify(StaticContext env) throws XPathException(Code)(Java Doc)

Fields inherited from net.sf.saxon.expr.ComputedExpression
protected int locationId(Code)(Java Doc)
protected int staticProperties(Code)(Java Doc)

Methods inherited from net.sf.saxon.expr.ComputedExpression
public void adoptChildExpression(Expression child)(Code)(Java Doc)
public void checkPermittedContents(SchemaType parentType, StaticContext env, boolean whole) throws XPathException(Code)(Java Doc)
abstract protected int computeCardinality()(Code)(Java Doc)
public int computeDependencies()(Code)(Java Doc)
public int computeSpecialProperties()(Code)(Java Doc)
final public void computeStaticProperties()(Code)(Java Doc)
final public Expression doPromotion(Expression subexpression, PromotionOffer offer) throws XPathException(Code)(Java Doc)
protected void dynamicError(String message, XPathContext context) throws DynamicError(Code)(Java Doc)
protected void dynamicError(String message, String code, XPathContext context) throws DynamicError(Code)(Java Doc)
public boolean effectiveBooleanValue(XPathContext context) throws XPathException(Code)(Java Doc)
public String evaluateAsString(XPathContext context) throws XPathException(Code)(Java Doc)
public Item evaluateItem(XPathContext context) throws XPathException(Code)(Java Doc)
public int getCardinality()(Code)(Java Doc)
public int getColumnNumber()(Code)(Java Doc)
protected int getConstructType()(Code)(Java Doc)
public int getDependencies()(Code)(Java Doc)
public Executable getExecutable()(Code)(Java Doc)
public int getImplementationMethod()(Code)(Java Doc)
public InstructionInfo getInstructionInfo()(Code)(Java Doc)
public int getIntrinsicDependencies()(Code)(Java Doc)
public int getLineNumber()(Code)(Java Doc)
final public int getLocationId()(Code)(Java Doc)
public LocationProvider getLocationProvider()(Code)(Java Doc)
public Container getParentExpression()(Code)(Java Doc)
final public String getPublicId()(Code)(Java Doc)
public int[] getSlotsUsed()(Code)(Java Doc)
final public int getSpecialProperties()(Code)(Java Doc)
public String getSystemId()(Code)(Java Doc)
public boolean hasBadParentPointer()(Code)(Java Doc)
public SequenceIterator iterate(XPathContext context) throws XPathException(Code)(Java Doc)
public Iterator iterateSubExpressions()(Code)(Java Doc)
public boolean markTailFunctionCalls()(Code)(Java Doc)
public void process(XPathContext context) throws XPathException(Code)(Java Doc)
public Expression promote(PromotionOffer offer) throws XPathException(Code)(Java Doc)
final public void resetStaticProperties()(Code)(Java Doc)
public void setLocationId(int id)(Code)(Java Doc)
public void setParentExpression(Container parent)(Code)(Java Doc)
public Expression simplify(StaticContext env) throws XPathException(Code)(Java Doc)
public void suppressValidation(int validationMode)(Code)(Java Doc)
protected void typeError(String message, XPathContext context) throws DynamicError(Code)(Java Doc)
protected void typeError(String message, String errorCode, XPathContext context) throws DynamicError(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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