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1 /*
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2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
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3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
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4 * redistribute it and/or modify it under the terms of the:
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5 *
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6 * Eclipse Public License version 1.0
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7 * GNU General Public License version 2
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8 * GNU Lesser General Public License version 2.1
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9 */
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10 package com.oracle.truffle.ruby.nodes.methods.locals;
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11
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12 import com.oracle.truffle.api.*;
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13 import com.oracle.truffle.api.frame.*;
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14
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15 public class LocalFlipFlopStateNode extends FlipFlopStateNode {
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16
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17 private final FrameSlot frameSlot;
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18
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19 public LocalFlipFlopStateNode(SourceSection sourceSection, FrameSlot frameSlot) {
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20 super(sourceSection);
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21 this.frameSlot = frameSlot;
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22 }
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23
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24 @Override
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25 public boolean getState(VirtualFrame frame) {
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26 try {
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27 return frame.getBoolean(frameSlot);
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28 } catch (FrameSlotTypeException e) {
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29 throw new IllegalStateException();
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30 }
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31 }
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32
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33 @Override
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34 public void setState(VirtualFrame frame, boolean state) {
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35 frame.setBoolean(frameSlot, state);
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36 }
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37
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38 }
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