Package serp.bytecode
Class GotoInstruction
- java.lang.Object
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- serp.bytecode.Instruction
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- serp.bytecode.JumpInstruction
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- serp.bytecode.GotoInstruction
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- All Implemented Interfaces:
BCEntity
,InstructionPtr
,VisitAcceptor
public class GotoInstruction extends JumpInstruction
An instruction that specifies a position in the code block to jump to. Examples includego2, jsr
, etc.- Author:
- Abe White
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
getStackChange()
Return the number of stack positions this instruction pushes or pops during its execution.void
setOffset(int offset)
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Methods inherited from class serp.bytecode.JumpInstruction
acceptVisit, equalsInstruction, getOffset, getTarget, replaceTarget, setTarget, updateTargets
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Methods inherited from class serp.bytecode.Instruction
getByteIndex, getClassLoader, getCode, getLineNumber, getLogicalStackChange, getName, getOpcode, getPool, getProject, isValid
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface serp.bytecode.InstructionPtr
getCode
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Method Detail
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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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