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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/SLLongLiteralNode.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 c929a4a3b6c5
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1 /*
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2 * Copyright (c) 2012, 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
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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.frame.*;
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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 * Constant literal for a primitive {@code long} value. The unboxed value can be returned when the
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31 * parent expects a long value and calls {@link SLLongLiteralNode#executeLong}. In the generic case,
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32 * the primitive value is automatically boxed by Java.
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33 */
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34 @NodeInfo(shortName = "const")
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35 public final class SLLongLiteralNode extends SLExpressionNode {
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36
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37 private final long value;
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38
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39 public SLLongLiteralNode(long value) {
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40 this.value = value;
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41 }
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42
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43 @Override
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44 public long executeLong(VirtualFrame frame) throws UnexpectedResultException {
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45 return value;
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46 }
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47
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48 @Override
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49 public Object executeGeneric(VirtualFrame frame) {
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50 return value;
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51 }
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52 }