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 com.intellij.psi.PsiElement;
021    import org.jetbrains.annotations.NotNull;
022    import org.jetbrains.annotations.Nullable;
023    import org.jetbrains.jet.JetNodeTypes;
024    import org.jetbrains.jet.lexer.JetTokens;
025    
026    public class JetClassObject extends JetDeclarationImpl implements JetStatementExpression {
027        public JetClassObject(@NotNull ASTNode node) {
028            super(node);
029        }
030    
031        @Override
032        public void accept(@NotNull JetVisitorVoid visitor) {
033            visitor.visitClassObject(this);
034        }
035    
036        @Override
037        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
038            return visitor.visitClassObject(this, data);
039        }
040    
041        @Nullable @IfNotParsed
042        public JetObjectDeclaration getObjectDeclaration() {
043            return (JetObjectDeclaration) findChildByType(JetNodeTypes.OBJECT_DECLARATION);
044        }
045    
046        @Nullable @IfNotParsed
047        public PsiElement getClassKeywordNode() {
048            ASTNode keywordNode = getNode().findChildByType(JetTokens.CLASS_KEYWORD);
049            return keywordNode != null ? keywordNode.getPsi() : null;
050        }
051    }