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