org.jetbrains.jet.lang.psi.JetDelegationSpecifier Maven / Gradle / Ivy

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/*
 * Copyright 2010-2013 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 org.jetbrains.jet.lang.psi;

import com.intellij.lang.ASTNode;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.JetNodeTypes;

public class JetDelegationSpecifier extends JetElementImpl {
    public JetDelegationSpecifier(@NotNull ASTNode node) {
        super(node);
    }

    @Override
    public  R accept(@NotNull JetVisitor visitor, D data) {
        return visitor.visitDelegationSpecifier(this, data);
    }

    @Nullable
    public JetTypeReference getTypeReference() {
        return (JetTypeReference) findChildByType(JetNodeTypes.TYPE_REFERENCE);
    }

    @Nullable
    public JetUserType getTypeAsUserType() {
        JetTypeReference reference = getTypeReference();
        if (reference != null) {
            JetTypeElement element = reference.getTypeElement();
            if (element instanceof JetUserType) {
                return ((JetUserType) element);
            }
        }
        return null;
    }
}