org.millscript.millscript.action
Class UnaryOpAction

java.lang.Object
  org.millscript.millscript.action.Action
      org.millscript.millscript.action.UnaryOpAction

All Implemented Interfaces:

org.millscript.commons.alert.AlertOrigin

Direct Known Subclasses:

ConstantLeftAddAction, ConstantLeftDivAction, ConstantLeftModAction, ConstantLeftMulAction, ConstantLeftSubAction, ConstantRightAddAction, ConstantRightDivAction, ConstantRightModAction, ConstantRightMulAction, ConstantRightSubAction

public abstract class UnaryOpAction
extends Action

This class is the base of all unary actions, i.e. those that operate on a single value.

Constructor Summary

protected

UnaryOpAction(Action a) Constructs a new unary action, for the specified action.

Method Summary

void	action(Machine mc) Performs this action, on the specified machine.
abstract java.lang.Object	perform(java.lang.Object x) Performs this binary action on the specified value.

Methods inherited from class org.millscript.millscript.action.Action

act, act1, getLineNumber, getOrigin, predAct, setContext, setLineNumber, setOrigin

Methods inherited from class java.lang.Object

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

Constructor Detail

UnaryOpAction

protected UnaryOpAction(Action a)

Constructs a new unary action, for the specified action.

Parameters:

a - the single action

Method Detail

perform

public abstract java.lang.Object perform(java.lang.Object x)

Performs this binary action on the specified value.

Parameters:

x - the unary value

Returns:

the result of this unary action

action

public final void action(Machine mc)

Description copied from class: Action

Performs this action, on the specified machine. This method must be implemented in sub-classes to perform the required actions.

Specified by:

action in class Action

Parameters:

mc - the machine to perform this action on

See Also:

Action.action(org.millscript.millscript.vm.Machine)