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.resolve.calls.tasks;
018    
019    public enum ExplicitReceiverKind {
020        EXTENSION_RECEIVER,
021        DISPATCH_RECEIVER,
022        NO_EXPLICIT_RECEIVER,
023    
024        // A very special case.
025        // In a call 'b.foo(1)' where class 'Foo' has an extension member 'fun B.invoke(Int)' function 'invoke' has two explicit receivers:
026        // 'b' (as extension receiver) and 'foo' (as dispatch receiver).
027        BOTH_RECEIVERS;
028    
029        public boolean isExtensionReceiver() {
030            return this == EXTENSION_RECEIVER || this == BOTH_RECEIVERS;
031        }
032    
033        public boolean isDispatchReceiver() {
034            return this == DISPATCH_RECEIVER || this == BOTH_RECEIVERS;
035        }
036    }