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

Denotes that a class targets InstructionHandles within an InstructionList.

See Also:

• BranchHandle
• LocalVariableGen
• CodeExceptionGen

Method Summary

Modifier and Type	Method	Description
boolean	containsTarget(InstructionHandle instructionHandle)	Tests 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 instructionHandle)

Tests whether this targeter targets the specified instruction handle.

Parameters:

instructionHandle - the instruction handle to test.

Returns:

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