Package serp.bytecode
Class GotoInstruction
java.lang.Object
serp.bytecode.Instruction
serp.bytecode.JumpInstruction
serp.bytecode.GotoInstruction
- All Implemented Interfaces:
BCEntity
,InstructionPtr
,VisitAcceptor
An instruction that specifies a position in the code block to jump to.
Examples include
go2, jsr
, etc.- Author:
- Abe White
-
Method Summary
Modifier and TypeMethodDescriptionint
Return the number of stack positions this instruction pushes or pops during its execution.void
setOffset
(int offset) Methods inherited from class serp.bytecode.JumpInstruction
acceptVisit, equalsInstruction, getOffset, getTarget, replaceTarget, setTarget, updateTargets
Methods inherited from class serp.bytecode.Instruction
getByteIndex, getClassLoader, getCode, getLineNumber, getLogicalStackChange, getName, getOpcode, getPool, getProject, isValid
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface serp.bytecode.InstructionPtr
getCode
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Method Details
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getStackChange
public int getStackChange()Description copied from class:Instruction
Return the number of stack positions this instruction pushes or pops during its execution.- Overrides:
getStackChange
in classInstruction
- Returns:
- 0 if the stack is not affected by this instruction, a positive number if it pushes onto the stack, and a negative number if it pops from the stack
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setOffset
public void setOffset(int offset) - Overrides:
setOffset
in classJumpInstruction
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