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

Method Detail

containsTarget

boolean containsTarget(InstructionHandle ih)

Checks whether this targeter targets the specified instruction handle.

updateTarget

void updateTarget(InstructionHandle old_ih,
                  InstructionHandle new_ih)
           throws ClassGenException

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

Parameters:

old_ih - the old handle

new_ih - the new handle

Throws:

ClassGenException - if old_ih is not targeted by this object