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 com.intellij.psi.tree.TokenSet;
021import com.intellij.psi.util.PsiTreeUtil;
022import org.jetbrains.annotations.NotNull;
023import org.jetbrains.annotations.Nullable;
024import org.jetbrains.jet.JetNodeTypes;
025import org.jetbrains.jet.lexer.JetTokens;
026
027import java.util.List;
028
029import static org.jetbrains.jet.lexer.JetTokens.EQ;
030import static org.jetbrains.jet.lexer.JetTokens.VAL_KEYWORD;
031import static org.jetbrains.jet.lexer.JetTokens.VAR_KEYWORD;
032
033public 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}