/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.visitors;
import org.whole.lang.bindings.IBindingManager;
import org.whole.lang.operations.ICloneContext;
/**
* @author Riccardo Solmi
*/
public abstract class AbstractUnaryVisitor<V extends IVisitor> extends AbstractLazyCloneableVisitor implements IUnaryVisitor {
private V visitor1;
protected boolean lazyCloneVisitor1;
public AbstractUnaryVisitor(IVisitor visitor) {
wSetVisitor1(visitor);
}
@SuppressWarnings("unchecked")
@Override
public IVisitor clone(ICloneContext cc) {
AbstractUnaryVisitor<V> visitor = (AbstractUnaryVisitor<V>) super.clone(cc);
visitor.lazyCloneVisitor1 = lazyCloneVisitor1 = visitor1 != null;
return visitor;
}
protected boolean isLazyCloneEmpty() {
return !lazyCloneVisitor1;
}
public V wGetVisitor1() {
if (lazyCloneVisitor1) {
wSetVisitor1(getCloneContext().clone(visitor1));
visitor1.setBindings(bindings);
}
return visitor1;
}
@SuppressWarnings("unchecked")
public void wSetVisitor1(IVisitor visitor) {
this.visitor1 = (V) visitor;
lazyCloneVisitor1 = false;
updateCloneContext();
}
@Override
public void setBindings(IBindingManager bm) {
if (bindings != bm) {
super.setBindings(bm);
if (!lazyCloneVisitor1)
wGetVisitor1().setBindings(bm);
}
}
}