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.PsiElement;
021import com.intellij.psi.impl.source.tree.LeafPsiElement;
022import org.jetbrains.annotations.NotNull;
023import org.jetbrains.annotations.Nullable;
024import org.jetbrains.jet.JetNodeTypes;
025import org.jetbrains.jet.lexer.JetTokens;
026
027public class JetValueArgument extends JetElementImpl implements ValueArgument {
028    public JetValueArgument(@NotNull ASTNode node) {
029        super(node);
030    }
031
032    public void accept(@NotNull JetVisitorVoid visitor) {
033        visitor.visitArgument(this);
034    }
035
036    @Override
037    public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
038        return visitor.visitArgument(this, data);
039    }
040
041    @Override
042    @Nullable @IfNotParsed
043    public JetExpression getArgumentExpression() {
044        return findChildByClass(JetExpression.class);
045    }
046
047    @Override
048    @Nullable
049    public JetValueArgumentName getArgumentName() {
050        return (JetValueArgumentName) findChildByType(JetNodeTypes.VALUE_ARGUMENT_NAME);
051    }
052
053    @Override
054    public boolean isNamed() {
055        return getArgumentName() != null;
056    }
057
058    @NotNull
059    @Override
060    public PsiElement asElement() {
061        return this;
062    }
063
064    @Override
065    public LeafPsiElement getSpreadElement() {
066        ASTNode node = getNode().findChildByType(JetTokens.MUL);
067        return node == null ? null : (LeafPsiElement) node.getPsi();
068    }
069}