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 com.google.common.collect.Lists;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.jet.lang.psi.JetDeclaration;
022    import org.jetbrains.jet.lang.psi.JetElement;
023    
024    import java.util.ArrayList;
025    import java.util.Collection;
026    
027    public class LocalDeclarationInstruction extends InstructionWithNext {
028    
029        private final Pseudocode body;
030        private Instruction sink;
031    
032        public LocalDeclarationInstruction(@NotNull JetElement element, Pseudocode body) {
033            super(element);
034            this.body = body;
035        }
036    
037        public Pseudocode getBody() {
038            return body;
039        }
040    
041        @NotNull
042        @Override
043        public Collection<Instruction> getNextInstructions() {
044            if (sink != null) {
045                ArrayList<Instruction> instructions = Lists.newArrayList(sink);
046                instructions.addAll(super.getNextInstructions());
047                return instructions;
048            }
049            return super.getNextInstructions();
050        }
051    
052        public void setSink(SubroutineSinkInstruction sink) {
053            this.sink = outgoingEdgeTo(sink);
054        }
055    
056        @Override
057        public void accept(InstructionVisitor visitor) {
058            visitor.visitLocalDeclarationInstruction(this);
059        }
060    
061        @Override
062        public String toString() {
063            return "d" + "(" + element.getText() + ")";
064        }
065    
066        @Override
067        protected Instruction createCopy() {
068            return new LocalDeclarationInstruction((JetDeclaration) element, body);
069        }
070    }