/** Returns whether the given visitor accepter has been marked as possibly being used. */
protected boolean isPossiblyUsed(VisitorAccepter visitorAccepter) {
return visitorAccepter.getVisitorInfo() == POSSIBLY_USED;
}
/** Clears any usage marks from the given visitor accepter. */
protected void markAsUnused(VisitorAccepter visitorAccepter) {
visitorAccepter.setVisitorInfo(null);
}
/** Returns whether the given visitor accepter should still be marked as possibly being used. */
protected boolean shouldBeMarkedAsPossiblyUsed(VisitorAccepter visitorAccepter) {
return visitorAccepter.getVisitorInfo() != USED
&& visitorAccepter.getVisitorInfo() != POSSIBLY_USED;
}
/** Marks the given visitor accepter as possibly being used. */
protected void markAsPossiblyUsed(VisitorAccepter visitorAccepter) {
visitorAccepter.setVisitorInfo(POSSIBLY_USED);
}
/** Returns whether the given visitor accepter has been marked as being used. */
protected boolean isUsed(VisitorAccepter visitorAccepter) {
return visitorAccepter.getVisitorInfo() == USED;
}
/** Returns whether the given visitor accepter should still be marked as being used. */
protected boolean shouldBeMarkedAsUsed(VisitorAccepter visitorAccepter) {
return visitorAccepter.getVisitorInfo() != USED;
}
/** Marks the given visitor accepter as being used. */
protected void markAsUsed(VisitorAccepter visitorAccepter) {
visitorAccepter.setVisitorInfo(USED);
}