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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/SLLogicalNotNode.java @ 13836:64c77f0577bb

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More documentation and improvements of Simple Language
author Christian Wimmer <christian.wimmer@oracle.com>
date Thu, 30 Jan 2014 17:53:27 -0800
parents b16ec83edc73
children abe7128ca473
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b16ec83edc73 Documentation and more refactoring of Simple Language
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1 /*
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2 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
b16ec83edc73 Documentation and more refactoring of Simple Language
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.sl.nodes.expression;
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24
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25 import com.oracle.truffle.api.dsl.*;
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26 import com.oracle.truffle.api.nodes.*;
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27 import com.oracle.truffle.sl.nodes.*;
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29 /**
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30 * Example of a simple unary node that uses type specialization. See {@link SLAddNode} for
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31 * information on specializations.
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32 */
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33 @NodeChild("valueNode")
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34 @NodeInfo(shortName = "!")
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35 public abstract class SLLogicalNotNode extends SLExpressionNode {
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36
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37 @Specialization
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38 protected boolean doBoolean(boolean value) {
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39 return !value;
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40 }
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41 }