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.k2js.translate.reference;
018
019import com.google.dart.compiler.backend.js.ast.JsExpression;
020import org.jetbrains.annotations.NotNull;
021import org.jetbrains.annotations.Nullable;
022
023public 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}