Package org.apache.bcel.generic

Interface InstructionTargeter

All Known Implementing Classes:

BranchInstruction, CodeExceptionGen, GOTO, GOTO_W, GotoInstruction, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IfInstruction, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, JSR, JSR_W, JsrInstruction, LineNumberGen, LocalVariableGen, LOOKUPSWITCH, Select, TABLESWITCH

public interface InstructionTargeter

Denote that a class targets InstructionHandles within an InstructionList. Namely the following implementers:

See Also:

• BranchHandle
• LocalVariableGen
• CodeExceptionGen

Method Summary

Modifier and Type	Method	Description
boolean	containsTarget(InstructionHandle ih)	Checks whether this targeter targets the specified instruction handle.
void	updateTarget(InstructionHandle oldIh, InstructionHandle newIh)	Replaces the target of this targeter from this old handle to the new handle.

Method Details

containsTarget

boolean containsTarget(InstructionHandle ih)

Checks whether this targeter targets the specified instruction handle.

updateTarget

void updateTarget(InstructionHandle oldIh,
 InstructionHandle newIh)
           throws ClassGenException

Replaces the target of this targeter from this old handle to the new handle.

Parameters:

oldIh - the old handle

newIh - the new handle

Throws:

ClassGenException - if oldIh is not targeted by this object