serp.bytecode
Class MonitorInstruction

java.lang.Object
  extended by serp.bytecode.Instruction
      extended by serp.bytecode.MonitorInstruction
All Implemented Interfaces:
BCEntity, VisitAcceptor
Direct Known Subclasses:
MonitorEnterInstruction, MonitorExitInstruction

public abstract class MonitorInstruction
extends Instruction

A synchronization instruction.

Author:
Abe White

Method Summary
 int getStackChange()
          Return the number of stack positions this instruction pushes or pops during its execution.
 
Methods inherited from class serp.bytecode.Instruction
acceptVisit, equalsInstruction, 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
 

Method Detail

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 class Instruction
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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