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.tree.TokenSet;
021    import com.intellij.psi.util.PsiTreeUtil;
022    import org.jetbrains.annotations.NotNull;
023    import org.jetbrains.annotations.Nullable;
024    import org.jetbrains.jet.JetNodeTypes;
025    
026    import java.util.List;
027    
028    import static org.jetbrains.jet.lexer.JetTokens.*;
029    
030    public class JetMultiDeclaration extends JetDeclarationImpl {
031        public JetMultiDeclaration(@NotNull ASTNode node) {
032            super(node);
033        }
034    
035        @Override
036        public void accept(@NotNull JetVisitorVoid visitor) {
037            visitor.visitMultiDeclaration(this);
038        }
039    
040        @Override
041        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
042            return visitor.visitMultiDeclaration(this, data);
043        }
044    
045        @NotNull
046        public List<JetMultiDeclarationEntry> getEntries() {
047            return findChildrenByType(JetNodeTypes.MULTI_VARIABLE_DECLARATION_ENTRY);
048        }
049    
050        @Nullable
051        public JetExpression getInitializer() {
052            ASTNode eqNode = getNode().findChildByType(EQ);
053            if (eqNode == null) {
054                return null;
055            }
056            return PsiTreeUtil.getNextSiblingOfType(eqNode.getPsi(), JetExpression.class);
057        }
058    
059        @Nullable
060        public ASTNode getValOrVarNode() {
061            return getNode().findChildByType(TokenSet.create(VAL_KEYWORD, VAR_KEYWORD));
062        }
063    }