/*
* Copyright 2003-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.idea.java.psi.impl;
import com.intellij.psi.PsiAnnotation;
import com.intellij.psi.PsiManager;
import com.intellij.psi.PsiType;
import com.intellij.psi.PsiWildcardType;
import jetbrains.mps.idea.core.psi.impl.MPSPsiNode;
import org.jetbrains.mps.openapi.model.SNodeId;
/**
* danilla 8/28/13
*/
public class MPSPsiWildcardType extends MPSPsiNode implements ComputesPsiType<PsiType> {
public MPSPsiWildcardType(SNodeId id, String concept, String containingRole, PsiManager manager) {
super(id, concept, containingRole, manager);
}
@Override
public PsiType getPsiType() {
if (isUnbound()) {
return PsiWildcardType.createUnbounded(getManager());
}
MPSPsiNode typeNode = getChildOfType("bound", MPSPsiNode.class);
if (!(typeNode instanceof ComputesPsiType)) {
return new NonJavaMPSType(PsiAnnotation.EMPTY_ARRAY);
}
PsiType psiType = ((ComputesPsiType) typeNode).getPsiType();
if (isUpperBound()) {
return PsiWildcardType.createExtends(getManager(), psiType);
} else if (isLowerBound()) {
return PsiWildcardType.createSuper(getManager(), psiType);
} else {
// in case we were instantiated for something else, non-java
return new NonJavaMPSType(PsiAnnotation.EMPTY_ARRAY);
}
}
private boolean isUpperBound() {
return "jetbrains.mps.baseLanguage.structure.UpperBoundType".equals(getConcept());
}
private boolean isLowerBound() {
return "jetbrains.mps.baseLanguage.structure.LowerBoundType".equals(getConcept());
}
private boolean isUnbound() {
return "jetbrains.mps.baseLanguage.structure.WildCardType".equals(getConcept());
}
}