Class TraceInstruction

java.lang.Object

net.sf.saxon.expr.ComputedExpression

net.sf.saxon.instruct.Instruction

net.sf.saxon.instruct.TraceWrapper

net.sf.saxon.instruct.TraceInstruction

All Implemented Interfaces:

Serializable, SourceLocator, Container, Expression, TailCallReturner, InstructionInfoProvider

public class TraceInstruction
extends TraceWrapper

A run-time instruction which wraps a real instruction and traces its entry and exit to the TraceListener

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
(package private) InstructionInfo	details

Fields inherited from class TraceWrapper

child

Fields inherited from class ComputedExpression

locationId, staticProperties

Fields inherited from interface Expression

EVALUATE_METHOD, ITERATE_METHOD, PROCESS_METHOD

Constructor Summary

Constructors

Constructor	Description
TraceInstruction(Expression child, InstructionInfo details)	Create a Trace instruction

Method Summary

Modifier and Type	Method	Description
InstructionInfo	getInstructionInfo()	Get the instruction details

Methods inherited from class TraceWrapper

computeDependencies, createsNewNodes, display, evaluateItem, getCardinality, getDependencies, getInstructionNameCode, getItemType, iterate, iterateSubExpressions, optimize, processLeavingTail, promote, replaceSubExpression, simplify, typeCheck

Methods inherited from class Instruction

appendItem, assembleParams, assembleTunnelParams, computeCardinality, computeSpecialProperties, dynamicError, evaluateAsString, getImplementationMethod, getSourceLocator, isXSLT, process, promoteInst

Methods inherited from class ComputedExpression

adoptChildExpression, checkPermittedContents, computeStaticProperties, doPromotion, dynamicError, effectiveBooleanValue, getColumnNumber, getConstructType, getExecutable, getHostLanguage, getIntrinsicDependencies, getLineNumber, getLocationId, getLocationProvider, getParentExpression, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, hasBadParentPointer, markTailFunctionCalls, resetStaticProperties, setLocationId, setParentExpression, setParentExpression, suppressValidation, typeError

Methods inherited from class Object

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

Methods inherited from interface SourceLocator

getColumnNumber, getLineNumber, getPublicId, getSystemId

Field Details

details

InstructionInfo details

Constructor Details

TraceInstruction

public TraceInstruction(Expression child,
 InstructionInfo details)

Create a Trace instruction

Parameters:

child - the "real" instruction to be traced

Method Details

getInstructionInfo

public InstructionInfo getInstructionInfo()

Get the instruction details

Specified by:

getInstructionInfo in interface InstructionInfoProvider

Overrides:

getInstructionInfo in class Instruction