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.psi.impl.source.tree.LeafPsiElement;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    
023    public interface ValueArgument {
024        @Nullable
025        @IfNotParsed
026        JetExpression getArgumentExpression();
027    
028        @Nullable
029        JetValueArgumentName getArgumentName();
030    
031        boolean isNamed();
032    
033        @NotNull
034        JetElement asElement();
035    
036        /* The '*' in something like foo(*arr) i.e. pass an array as a number of vararg arguments */
037        @Nullable
038        LeafPsiElement getSpreadElement();
039    
040        /* The argument is placed externally to call element, e.g. in 'when' condition with subject: 'when (a) { in c -> }' */
041        boolean isExternal();
042    }