/**
* 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 AbstractTernaryVisitor<V extends IVisitor> extends AbstractBinaryVisitor<V> implements ITernaryVisitor {
private V visitor3;
private boolean lazyCloneVisitor3;
public AbstractTernaryVisitor(IVisitor visitor1, IVisitor visitor2, IVisitor visitor3) {
super(visitor1, visitor2);
wSetVisitor3(visitor3);
}
@SuppressWarnings("unchecked")
@Override
public IVisitor clone(ICloneContext cc) {
AbstractTernaryVisitor<V> visitor = (AbstractTernaryVisitor<V>) super.clone(cc);
visitor.lazyCloneVisitor3 = lazyCloneVisitor3 = visitor3 != null;
return visitor;
}
protected boolean isLazyCloneEmpty() {
return !lazyCloneVisitor3 && super.isLazyCloneEmpty();
}
protected V wGetVisitor3() {
if (lazyCloneVisitor3) {
wSetVisitor3(getCloneContext().clone(visitor3));
visitor3.setBindings(bindings);
}
return visitor3;
}
@SuppressWarnings("unchecked")
public void wSetVisitor3(IVisitor visitor) {
this.visitor3 = (V) visitor;
lazyCloneVisitor3 = false;
updateCloneContext();
}
@Override
public void setBindings(IBindingManager bm) {
if (bindings != bm) {
super.setBindings(bm);
if (!lazyCloneVisitor3)
wGetVisitor3().setBindings(bm);
}
}
}