001    /*
002     * Copyright 2010-2015 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.kotlin.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.psi.util.PsiTreeUtil;
021    import org.jetbrains.annotations.NotNull;
022    import org.jetbrains.annotations.Nullable;
023    
024    public class KtPrefixExpression extends KtUnaryExpression {
025        public KtPrefixExpression(@NotNull ASTNode node) {
026            super(node);
027        }
028    
029        @Override
030        public <R, D> R accept(@NotNull KtVisitor<R, D> visitor, D data) {
031            return visitor.visitPrefixExpression(this, data);
032        }
033    
034        @Override
035        @Nullable @IfNotParsed
036        public KtExpression getBaseExpression() {
037            return PsiTreeUtil.getNextSiblingOfType(getOperationReference(), KtExpression.class);
038        }
039    }