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 org.jetbrains.annotations.NotNull;
022import org.jetbrains.annotations.Nullable;
023import org.jetbrains.jet.JetNodeTypes;
024import org.jetbrains.jet.lexer.JetTokens;
025
026import static org.jetbrains.jet.lexer.JetTokens.VAL_KEYWORD;
027import static org.jetbrains.jet.lexer.JetTokens.VAR_KEYWORD;
028
029public class JetMultiDeclarationEntry extends JetNamedDeclarationNotStubbed implements JetVariableDeclaration {
030    public JetMultiDeclarationEntry(@NotNull ASTNode node) {
031        super(node);
032    }
033
034    @Override
035    public JetTypeReference getTypeRef() {
036        return (JetTypeReference) findChildByType(JetNodeTypes.TYPE_REFERENCE);
037    }
038
039    @Override
040    public void accept(@NotNull JetVisitorVoid visitor) {
041        visitor.visitMultiDeclarationEntry(this);
042    }
043
044    @Override
045    public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
046        return visitor.visitMultiDeclarationEntry(this, data);
047    }
048
049    @Override
050    public boolean isVar() {
051        return getParentNode().findChildByType(JetTokens.VAR_KEYWORD) != null;
052    }
053
054    @Nullable
055    @Override
056    public JetExpression getInitializer() {
057        return null;
058    }
059
060    @NotNull
061    private ASTNode getParentNode() {
062        ASTNode parent = getNode().getTreeParent();
063        assert parent.getElementType() == JetNodeTypes.MULTI_VARIABLE_DECLARATION;
064        return parent;
065    }
066
067    @Override
068    public ASTNode getValOrVarNode() {
069        return getParentNode().findChildByType(TokenSet.create(VAL_KEYWORD, VAR_KEYWORD));
070    }
071}