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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/SimpleLanguage.java @ 13370:3e67710a6d08
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author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Tue, 17 Dec 2013 21:39:01 +0100 |
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Simple Language: A simple dynamic programming language to demonstrate Truffle features
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1 /* |
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2 * Copyright (c) 2012, 2012, 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; |
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24 |
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25 import java.io.*; |
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26 |
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27 import javax.script.*; |
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28 |
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29 import com.oracle.truffle.api.*; |
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30 import com.oracle.truffle.api.impl.*; |
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31 import com.oracle.truffle.api.nodes.*; |
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32 import com.oracle.truffle.sl.runtime.*; |
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33 |
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34 public class SimpleLanguage { |
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35 |
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36 private static final Object[] NO_ARGUMENTS = new Object[0]; |
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37 |
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38 public static void main(String[] args) throws IOException { |
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39 run(new FileInputStream(args[0]), System.out, 10, true); |
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40 } |
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41 |
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42 public static void run(InputStream input, PrintStream printOutput, int repeats, boolean log) { |
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43 if (log) { |
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44 // CheckStyle: stop system..print check |
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45 System.out.printf("== running on %s\n", Truffle.getRuntime().getName()); |
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46 // CheckStyle: resume system..print check |
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47 } |
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48 |
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49 SLContext context = new SLContext(printOutput); |
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50 SLScript script; |
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51 try { |
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52 script = SLScript.create(context, input); |
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53 } catch (ScriptException e) { |
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54 // TODO temporary hack |
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55 throw new RuntimeException(e); |
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56 } |
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57 |
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58 if (log) { |
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59 printScript(script); |
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60 } |
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61 try { |
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62 for (int i = 0; i < repeats; i++) { |
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63 long start = System.nanoTime(); |
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64 Object result = script.run(NO_ARGUMENTS); |
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65 long end = System.nanoTime(); |
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66 |
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67 if (result != null) { |
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68 printOutput.println(result); |
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69 } |
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70 if (log) { |
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71 // CheckStyle: stop system..print check |
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72 System.out.printf("== iteration %d: %.3f ms\n", (i + 1), (end - start) / 1000000.0); |
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73 // CheckStyle: resume system..print check |
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74 } |
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75 } |
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76 |
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77 } finally { |
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78 if (log) { |
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79 printScript(script); |
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80 } |
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81 } |
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82 } |
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83 |
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84 private static void printScript(SLScript script) { |
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85 NodeUtil.printTree(System.out, ((DefaultCallTarget) script.getMain()).getRootNode()); |
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86 } |
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87 } |