Class ClassFieldProbeArrayStrategy

java.lang.Object

org.jacoco.core.internal.instr.ClassFieldProbeArrayStrategy

All Implemented Interfaces:

IProbeArrayStrategy

class ClassFieldProbeArrayStrategy
extends Object
implements IProbeArrayStrategy

The strategy for regular classes adds a static field to hold the probe array and a static initialization method requesting the probe array from the runtime.

Field Summary

Fields

Modifier and Type	Field	Description
private final IExecutionDataAccessorGenerator	accessorGenerator
private final long	classId
private final String	className
private static final Object[]	FRAME_LOCALS_EMPTY	Empty frame locals.
private static final Object[]	FRAME_STACK_ARRZ	Frame stack with a single boolean array.
private final boolean	withFrames

Constructor Summary

Constructors

Constructor	Description
ClassFieldProbeArrayStrategy(String className, long classId, boolean withFrames, IExecutionDataAccessorGenerator accessorGenerator)

Method Summary

Modifier and Type	Method	Description
void	addMembers(org.objectweb.asm.ClassVisitor cv, int probeCount)	Adds additional class members required by this strategy.
private void	createDataField(org.objectweb.asm.ClassVisitor cv)
private void	createInitMethod(org.objectweb.asm.ClassVisitor cv, int probeCount)
private int	genInitializeDataField(org.objectweb.asm.MethodVisitor mv, int probeCount)	Generates the byte code to initialize the static coverage data field within this class.
int	storeInstance(org.objectweb.asm.MethodVisitor mv, boolean clinit, int variable)	Creates code that stores the probe array instance in the given variable.

Methods inherited from class Object

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

Field Details

FRAME_STACK_ARRZ

private static final Object[] FRAME_STACK_ARRZ

Frame stack with a single boolean array.

FRAME_LOCALS_EMPTY

private static final Object[] FRAME_LOCALS_EMPTY

Empty frame locals.

className

private final String className

classId

private final long classId

withFrames

private final boolean withFrames

accessorGenerator

private final IExecutionDataAccessorGenerator accessorGenerator

Constructor Details

ClassFieldProbeArrayStrategy

ClassFieldProbeArrayStrategy(String className,
 long classId,
 boolean withFrames,
 IExecutionDataAccessorGenerator accessorGenerator)

Method Details

storeInstance

public int storeInstance(org.objectweb.asm.MethodVisitor mv,
 boolean clinit,
 int variable)

Description copied from interface: IProbeArrayStrategy

Creates code that stores the probe array instance in the given variable.

Specified by:

storeInstance in interface IProbeArrayStrategy

Parameters:

mv - visitor to create code

clinit - true in case of <clinit> method

variable - variable index to store probe array to

Returns:

maximum stack size required by the generated code

addMembers

public void addMembers(org.objectweb.asm.ClassVisitor cv,
 int probeCount)

Description copied from interface: IProbeArrayStrategy

Adds additional class members required by this strategy. This method is called after all original members of the class has been processed.

Specified by:

addMembers in interface IProbeArrayStrategy

Parameters:

cv - visitor to create fields and methods

probeCount - total number of probes required for this class

createDataField

private void createDataField(org.objectweb.asm.ClassVisitor cv)

createInitMethod

private void createInitMethod(org.objectweb.asm.ClassVisitor cv,
 int probeCount)

genInitializeDataField

private int genInitializeDataField(org.objectweb.asm.MethodVisitor mv,
 int probeCount)

Generates the byte code to initialize the static coverage data field within this class. The code will push the [Z data array on the operand stack.

Parameters:

mv - generator to emit code to