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 017package org.jetbrains.jet.lang.psi; 018 019import com.intellij.lang.ASTNode; 020import org.jetbrains.annotations.NotNull; 021import org.jetbrains.jet.lexer.JetTokens; 022 023import java.util.List; 024 025public 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}