001    /*
002     * Copyright 2010-2015 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.kotlin.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.psi.impl.source.tree.LeafPsiElement;
021    import org.jetbrains.annotations.NotNull;
022    import org.jetbrains.annotations.Nullable;
023    import org.jetbrains.kotlin.JetNodeTypes;
024    import org.jetbrains.kotlin.lexer.JetTokens;
025    
026    public class JetValueArgument extends JetElementImpl implements ValueArgument {
027        public JetValueArgument(@NotNull ASTNode node) {
028            super(node);
029        }
030    
031        @Override
032        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
033            return visitor.visitArgument(this, data);
034        }
035    
036        @Override
037        @Nullable @IfNotParsed
038        public JetExpression getArgumentExpression() {
039            return findChildByClass(JetExpression.class);
040        }
041    
042        @Override
043        @Nullable
044        public JetValueArgumentName getArgumentName() {
045            return (JetValueArgumentName) findChildByType(JetNodeTypes.VALUE_ARGUMENT_NAME);
046        }
047    
048        @Override
049        public boolean isNamed() {
050            return getArgumentName() != null;
051        }
052    
053        @NotNull
054        @Override
055        public JetElement asElement() {
056            return this;
057        }
058    
059        @Override
060        public LeafPsiElement getSpreadElement() {
061            ASTNode node = getNode().findChildByType(JetTokens.MUL);
062            return node == null ? null : (LeafPsiElement) node.getPsi();
063        }
064    
065        @Override
066        public boolean isExternal() {
067            return false;
068        }
069    }