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.cfg.pseudocode;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.psi.JetElement;
021    
022    import java.util.Collection;
023    import java.util.Collections;
024    
025    public class SubroutineSinkInstruction extends InstructionImpl {
026        private final JetElement subroutine;
027        private final String debugLabel;
028    
029        public SubroutineSinkInstruction(@NotNull JetElement subroutine, @NotNull String debugLabel) {
030            this.subroutine = subroutine;
031            this.debugLabel = debugLabel;
032        }
033    
034        public JetElement getSubroutine() {
035            return subroutine;
036        }
037    
038        @NotNull
039        @Override
040        public Collection<Instruction> getNextInstructions() {
041            return Collections.emptyList();
042        }
043    
044        @Override
045        public void accept(InstructionVisitor visitor) {
046            visitor.visitSubroutineSink(this);
047        }
048    
049        @Override
050        public String toString() {
051            return debugLabel;
052        }
053    
054        @Override
055        protected Instruction createCopy() {
056            return new SubroutineSinkInstruction(subroutine, debugLabel);
057        }
058    }