/**
* 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.bindings;
import org.whole.lang.iterators.IEntityIterator;
import org.whole.lang.model.IEntity;
import org.whole.lang.operations.ICloneContext;
/**
* @author Riccardo Solmi
*/
public class NestedStaticScope extends AbstractDelegatingScope implements INestableScope {
private IBindingScope enclosingScope = NullScope.instance;
protected NestedStaticScope(IBindingScope targetScope) {
super(targetScope);
}
@Override
public IBindingScope clone(ICloneContext cc) {
NestedStaticScope scope = (NestedStaticScope) super.clone(cc);
scope.enclosingScope = cc.clone(enclosingScope);
scope.resultScope = resultScope == this ? scope : null;
return scope;
}
public Kind getKind() {
return Kind.SCOPE;
}
public IBindingScope wTargetScope() {
return wDelegateScope();
}
public IBindingScope wEnclosingScope() {
return enclosingScope;
}
public INestableScope wWithEnclosingScope(IBindingScope enclosingScope) {
this.enclosingScope = enclosingScope;
return this;
}
private IBindingScope resultScope;
public IBindingScope wResultScope() {
if (resultScope == null)
resultScope = wEnclosingScope().wResultScope();
return resultScope != null ? resultScope : this;
}
public void wSetResultScope(IBindingScope scope) {
if (scope != this)
wEnclosingScope().wSetResultScope(scope);
//assert resultScope == null || resultScope == scope;
resultScope = scope;
}
protected final IBindingScope resultScopeDelegate() {
return wResultScope() != this ? wEnclosingScope() : wTargetScope();
}
public boolean hasResultIterator() {
return resultScopeDelegate().hasResultIterator();
}
public <E extends IEntity> IEntityIterator<E> getResultIterator() {
return resultScopeDelegate().getResultIterator();
}
public void setResultIterator(IEntityIterator<?> resultIterator) {
resultScopeDelegate().setResultIterator(resultIterator);
}
public IEntity getResult() {
return resultScopeDelegate().getResult();
}
public void setResult(IEntity result) {
resultScopeDelegate().setResult(result);
}
}