org.millscript.millscript.action
Class WhileAction

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

All Implemented Interfaces:

org.millscript.commons.alert.AlertOrigin

public final class WhileAction
extends Action

This class implements the action for a while expression. This action performs a predicate action and if it's result is true a body action is performed, otherwise the action ends. Once the body action is performed we return to the start and perform the predicate again.

See Also:

WhileExpr, WhileSyntax

Constructor Summary

WhileAction(Action a, Action b)
Constructs a new while action, to perform the specified body action while the specified predicate action returns true.

Method Summary

void	action(Machine mc) Performs this action, on the specified machine.

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

WhileAction

public WhileAction(Action a,
                   Action b)

Constructs a new while action, to perform the specified body action while the specified predicate action returns true.

Parameters:

a - the predicate action

b - the body action

Method Detail

action

public 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)