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/*
* SPDX-FileCopyrightText: 2024 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.language.scoping;
import com.google.common.base.Predicate;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.xtext.resource.IEObjectDescription;
import org.eclipse.xtext.resource.ISelectable;
import org.eclipse.xtext.scoping.IScope;
import org.eclipse.xtext.scoping.impl.SelectableBasedScope;
import tools.refinery.language.resource.ProblemResourceDescriptionStrategy;
import java.util.Objects;
public class ShadowingKeyAwareSelectableBasedScope extends SelectableBasedScope {
public static IScope createScope(IScope outer, ISelectable selectable, EClass type, boolean ignoreCase) {
return createScope(outer, selectable, null, type, ignoreCase);
}
// {@link com.google.common.base.Predicate} required by Xtext API.
@SuppressWarnings("squid:S4738")
public static IScope createScope(IScope outer, ISelectable selectable, Predicate<IEObjectDescription> filter,
EClass type, boolean ignoreCase) {
if (selectable == null || selectable.isEmpty())
return outer;
return new ShadowingKeyAwareSelectableBasedScope(outer, selectable, filter, type, ignoreCase);
}
// {@link com.google.common.base.Predicate} required by Xtext API.
@SuppressWarnings("squid:S4738")
protected ShadowingKeyAwareSelectableBasedScope(IScope outer, ISelectable selectable,
Predicate<IEObjectDescription> filter,
EClass type, boolean ignoreCase) {
super(outer, selectable, filter, type, ignoreCase);
}
@Override
protected boolean isShadowed(IEObjectDescription input) {
var shadowingKey = input.getUserData(ProblemResourceDescriptionStrategy.SHADOWING_KEY);
var localElements = getLocalElementsByName(input.getName());
for (var localElement : localElements) {
var localElementKey = localElement.getUserData(ProblemResourceDescriptionStrategy.SHADOWING_KEY);
if (Objects.equals(shadowingKey, localElementKey)) {
return true;
}
}
return false;
}
}
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