Package org.kigalisim.lang.operation

Class ChangeUnitsOperation

java.lang.Object

org.kigalisim.lang.operation.ChangeUnitsOperation

All Implemented Interfaces:

Operation

public class ChangeUnitsOperation
extends Object
implements Operation

Description of a calculation which changes the units of an EngineNumber.

Description of a calculation which changes the units of an EngineNumber at the top of the stack, requiring that it either is empty (no units assigned) or is the same as the desired units.

Constructor Summary

Constructors

Constructor	Description
ChangeUnitsOperation(Operation operand, String units)	Create a new ChangeUnitsOperation.

Method Summary

Modifier and Type	Method	Description
void	execute(PushDownMachine machine)	Execute the calculation and leave the result at the top of the stack.

Methods inherited from class java.lang.Object

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

Constructor Details

ChangeUnitsOperation

public ChangeUnitsOperation(Operation operand,
 String units)

Create a new ChangeUnitsOperation.

Parameters:

operand - The operand of the calculation.

units - The units to change to.

Method Details

execute

public void execute(PushDownMachine machine)

Execute the calculation and leave the result at the top of the stack.

Specified by:

execute in interface Operation

Parameters:

machine - The machine in which to execute the calculation if needed.