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.jet.lang.cfg.pseudocode;
018
019import com.google.common.collect.Lists;
020import org.jetbrains.annotations.NotNull;
021import org.jetbrains.jet.lang.psi.JetDeclaration;
022import org.jetbrains.jet.lang.psi.JetElement;
023
024import java.util.ArrayList;
025import java.util.Collection;
026
027public 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}