uk.ac.man.cs.rainbow.simulator.rasm
Class Return

java.lang.Object
  |
  +--uk.ac.man.cs.rainbow.simulator.Instruction
        |
        +--uk.ac.man.cs.rainbow.simulator.rasm.Return

All Implemented Interfaces:

Serializable

public class Return

extends Instruction

Return from function or procedure. Restores the previous program counter and stack frame, appending the top n values of the current stack frame to the old frame, where n is the number of values to return (which ought to be static for a given function).

v_n ... v₁ n v_n ... v₁

See Also:

Call, Serialized Form

Inner classes inherited from class uk.ac.man.cs.rainbow.simulator.Instruction

Instruction.MACRO

Constructor Summary

Return()

Return(RASMCode code)

Method Summary

protected boolean	execute(RASMThread thread) Make this instruction execute in the given context.
String	toString()

Methods inherited from class uk.ac.man.cs.rainbow.simulator.Instruction

addClass, getInstruction, getInstruction, getInstruction

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Return

public Return()

Return

public Return(RASMCode code)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

execute

protected boolean execute(RASMThread thread)
                   throws RASMThread.Exception

Description copied from class: Instruction

Make this instruction execute in the given context.

Overrides:

execute in class Instruction

Following copied from class: uk.ac.man.cs.rainbow.simulator.Instruction

Throws:

RainbowException - All sorts of things can go wrong during execution...