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.k2js.translate.reference;
018    
019    import com.google.dart.compiler.backend.js.ast.JsExpression;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    
023    public final class CallParameters {
024    
025        @Nullable
026        private final JsExpression receiver;
027    
028        @NotNull
029        private final JsExpression functionReference;
030    
031        @Nullable
032        private final JsExpression thisObject;
033    
034        public CallParameters(@Nullable JsExpression receiver,
035                              @NotNull JsExpression functionReference,
036                              @Nullable JsExpression thisObject) {
037            this.receiver = receiver;
038            this.functionReference = functionReference;
039            this.thisObject = thisObject;
040        }
041    
042        @NotNull
043        public JsExpression getFunctionReference() {
044            return functionReference;
045        }
046    
047        @Nullable
048        public JsExpression getThisObject() {
049            return thisObject;
050        }
051    
052        @Nullable
053        public JsExpression getReceiver() {
054            return receiver;
055        }
056    
057        @Nullable
058        public JsExpression getThisOrReceiverOrNull() {
059            if (thisObject == null) {
060                return receiver;
061            }
062            assert receiver == null;
063            return thisObject;
064        }
065    }