net.sourceforge.cobertura.instrument.tp

Class SwitchTouchPointDescriptor

java.lang.Object

net.sourceforge.cobertura.instrument.tp.TouchPointDescriptor

net.sourceforge.cobertura.instrument.tp.SwitchTouchPointDescriptor

public class SwitchTouchPointDescriptor
extends TouchPointDescriptor

Class representing a touch-point connected to a a SWITCH instruction in a source-code

A SWITCH touch-point uses one more counter then distinct number destination labels (getCountersForLabelsCnt()).
One 'internal' counterId (counterId) is a special identifier of SWITCH statement (used in runtime), but in fact we don't expect any incrementation of the counter. We implemented this to use a counterId because we are storing the value inside 'internal variable' and we need to be sure that the value is connected to the last seen SWITCH statement.

Or other counterIds represents different branches (different destination labels of the switch).

We also storing a #methodName and a #methodSignature (consider to move this fields into TouchPointDescriptor). Those fields are needed to properly create instance of LineData.

Author:

[email protected]

Constructor Summary

Constructors

Constructor and Description
SwitchTouchPointDescriptor(int eventId, int currentLine, org.objectweb.asm.Label def, org.objectweb.asm.Label[] labels, String enum_type) Creates o new switch-touch point.

Method Summary

Methods

Modifier and Type	Method and Description
int	assignCounters(AtomicInteger idGenerator) Every touch-point will have assigned some counters.
Integer	getCounterId()
Integer	getCounterIdForLabel(org.objectweb.asm.Label label)
Collection<Integer>	getCountersForLabels()
int	getCountersForLabelsCnt() Works before calling 'assignCounters'
String	getEnumType()
void	setCounterId(Integer counterId)

Methods inherited from class net.sourceforge.cobertura.instrument.tp.TouchPointDescriptor

getEventId, getLineNumber, setEventId, setLineNumber

Methods inherited from class java.lang.Object

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

Constructor Detail

SwitchTouchPointDescriptor

public SwitchTouchPointDescriptor(int eventId,
                          int currentLine,
                          org.objectweb.asm.Label def,
                          org.objectweb.asm.Label[] labels,
                          String enum_type)

Creates o new switch-touch point.

Parameters:

eventId - - eventId connected to the SWITCH instruction

currentLine - - line number of the switch

def - - internal identifier of a default destination label

labels - - table of other destination labels for different values (duplicates allowed)

Method Detail

getCounterId

public Integer getCounterId()

setCounterId

public void setCounterId(Integer counterId)

assignCounters

public int assignCounters(AtomicInteger idGenerator)

Description copied from class: TouchPointDescriptor

Every touch-point will have assigned some counters. This methods assigne the ids to the touch-point using given idGenerator

Specified by:

assignCounters in class TouchPointDescriptor

Returns:

number of used 'ids' for the touch-point.

getCounterIdForLabel

public Integer getCounterIdForLabel(org.objectweb.asm.Label label)

getCountersForLabels

public Collection<Integer> getCountersForLabels()

getCountersForLabelsCnt

public int getCountersForLabelsCnt()

Works before calling 'assignCounters'

Returns:

Number of distinct destination labels of the SWITCH (It's the same as number of branches supported by the switch).

getEnumType

public String getEnumType()