001    /*
002     * Copyright 2010-2013 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.jet.lang.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.jet.lexer.JetTokens;
022    
023    import java.util.List;
024    
025    public class JetNullableType extends JetTypeElement {
026        public JetNullableType(@NotNull ASTNode node) {
027            super(node);
028        }
029        
030        @NotNull
031        public ASTNode getQuestionMarkNode() {
032            return getNode().findChildByType(JetTokens.QUEST);
033        }
034    
035        @NotNull
036        @Override
037        public List<JetTypeReference> getTypeArgumentsAsTypes() {
038            return getInnerType().getTypeArgumentsAsTypes();
039        }
040    
041        @Override
042        public void accept(@NotNull JetVisitorVoid visitor) {
043            visitor.visitNullableType(this);
044        }
045    
046        @Override
047        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
048            return visitor.visitNullableType(this, data);
049        }
050    
051        @NotNull
052        public JetTypeElement getInnerType() {
053            return findChildByClass(JetTypeElement.class);
054        }
055    }