Class MethodEditor.Visitor

java.lang.Object

com.ibm.wala.shrike.shrikeBT.IInstruction.Visitor

com.ibm.wala.shrike.shrikeBT.MethodEditor.Visitor

Enclosing class:

MethodEditor

public static class MethodEditor.Visitor
extends IInstruction.Visitor

A specialized Instruction.Visitor providing convenience methods for inserting patches. In particular it maintains a notion of the "current position" in the code array.

Constructor Summary

Constructors

Constructor	Description
Visitor()

Method Summary

Modifier and Type	Method	Description
final void	addInstructionExceptionHandler(String catchClass, MethodEditor.Patch p)	Add an exception handler to the current instruction.
final int	getIndex()
final void	insertAfter(MethodEditor.Patch p)	Insert a patch after the current instruction in the code.
final void	insertBefore(MethodEditor.Patch p)	Insert a patch before the current instruction in the code.
final void	replaceWith(MethodEditor.Patch p)	Replace the current instruction in the code with a patch.
final void	setIndex(MethodEditor e, int i)	Set the current editor and instruction index for this visitor.

Methods inherited from class com.ibm.wala.shrike.shrikeBT.IInstruction.Visitor

visitArrayLength, visitArrayLoad, visitArrayStore, visitBinaryOp, visitCheckCast, visitComparison, visitConditionalBranch, visitConstant, visitConversion, visitDup, visitGet, visitGoto, visitInstanceof, visitInvoke, visitLoadIndirect, visitLocalLoad, visitLocalStore, visitMonitor, visitNew, visitPop, visitPut, visitReturn, visitShift, visitStoreIndirect, visitSwap, visitSwitch, visitThrow, visitUnaryOp

Methods inherited from class java.lang.Object

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

Constructor Details

Visitor

public Visitor()

Method Details

setIndex

public final void setIndex(MethodEditor e,
 int i)

Set the current editor and instruction index for this visitor.

getIndex

public final int getIndex()

Returns:

the index of the current instruction in the code array

insertAfter

public final void insertAfter(MethodEditor.Patch p)

Insert a patch after the current instruction in the code.

insertBefore

public final void insertBefore(MethodEditor.Patch p)

Insert a patch before the current instruction in the code.

replaceWith

public final void replaceWith(MethodEditor.Patch p)

Replace the current instruction in the code with a patch.

addInstructionExceptionHandler

public final void addInstructionExceptionHandler(String catchClass,
 MethodEditor.Patch p)

Add an exception handler to the current instruction.

Parameters:

catchClass - the JVM type for the exception to be caught (e.g., Ljava.io.IOException;), or null to catch all exceptions

p - the code to handle the exception