Class FOR_WhileElt<T>

java.lang.Object

simula.runtime.FOR_Element

simula.runtime.FOR_WhileElt<T>

Type Parameters:

T - the type of this element

All Implemented Interfaces:

Iterator<Boolean>

public final class FOR_WhileElt<T>
extends FOR_Element

For-statement While element, not text

		For i:=  while 

Field Summary

Fields

Modifier and Type	Field	Description
(package private) RTS_NAME<Boolean>	cond	The condition that determines whether to continue.
(package private) final RTS_NAME<T>	cvar	The for-statement control variable.
(package private) final RTS_NAME<T>	expr	A Value expression.

Fields inherited from class simula.runtime.FOR_Element

more

Constructor Summary

Constructors

Constructor	Description
FOR_WhileElt(RTS_NAME<T> cvar, RTS_NAME<T> expr, RTS_NAME<Boolean> cond)	Create While element.

Method Summary

Modifier and Type	Method	Description
Boolean	next()	Update the control variable with the next value if any.

Methods inherited from class simula.runtime.FOR_Element

hasNext

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Field Details

cvar

final RTS_NAME<T> cvar

The for-statement control variable.

expr

final RTS_NAME<T> expr

A Value expression.

cond

RTS_NAME<Boolean> cond

The condition that determines whether to continue.

Constructor Details

FOR_WhileElt

public FOR_WhileElt(RTS_NAME<T> cvar,
 RTS_NAME<T> expr,
 RTS_NAME<Boolean> cond)

Create While element.

Parameters:

cvar - the for-statement control variable

expr - a Value expression

cond - a Boolean exppression

Method Details

next

public Boolean next()

Update the control variable with the next value if any.

Returns:

true if the control variable was updated; otherwise false.