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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/SimpleLanguage.java @ 13455:69d2e4baa215

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Truffle: new infrastructure related to instrumentation, and in particular debugging: support for managing Source objects; framework for generalized "instrumentation proxy nodes" (to be inserted into ASTs with no runtime cost when inactive), and "probes" (which can be attached to proxy nodes to receive event notification); a rudimentary interface and abstract implementation for a "debug manager" (mostly a placeholder at this point); and the beginning of a language-agnostic ExecutionContext interface.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Tue, 17 Dec 2013 20:22:45 -0800
parents 71991b7a0f14
children
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1 /*
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2 * Copyright (c) 2012, 2013, 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
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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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 *
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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15 * You should have received a copy of the GNU General Public License version
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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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
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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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) {
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39 run(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(String name, String 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 final SLContext context = new SLContext(printOutput);
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50 final Source source = context.getSourceManager().get(name, input);
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51
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52 run(context, source, printOutput, repeats, log);
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53 }
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54
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55 public static void run(String fileName, PrintStream printOutput, int repeats, boolean log) {
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56 if (log) {
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57 // CheckStyle: stop system..print check
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58 System.out.printf("== running on %s\n", Truffle.getRuntime().getName());
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59 // CheckStyle: resume system..print check
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60 }
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61
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62 final SLContext context = new SLContext(printOutput);
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63 final Source source = context.getSourceManager().get(fileName);
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64
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65 run(context, source, printOutput, repeats, log);
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66 }
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67
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68 public static void run(SLContext context, Source source, PrintStream printOutput, int repeats, boolean log) {
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69
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70 SLScript script;
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71 try {
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72 script = SLScript.create(context, source);
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73 } catch (ScriptException e) {
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74 // TODO temporary hack
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75 throw new RuntimeException(e);
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76 }
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77
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78 if (log) {
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79 printScript(script);
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80 }
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81 try {
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82 for (int i = 0; i < repeats; i++) {
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83 long start = System.nanoTime();
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84 Object result = script.run(NO_ARGUMENTS);
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85 long end = System.nanoTime();
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86
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87 if (result != null) {
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88 printOutput.println(result);
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89 }
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90 if (log) {
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91 // CheckStyle: stop system..print check
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92 System.out.printf("== iteration %d: %.3f ms\n", (i + 1), (end - start) / 1000000.0);
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93 // CheckStyle: resume system..print check
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94 }
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95 }
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96
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97 } finally {
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98 if (log) {
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99 printScript(script);
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100 }
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101 }
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102 }
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103
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104 private static void printScript(SLScript script) {
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105 NodeUtil.printTree(System.out, ((DefaultCallTarget) script.getMain()).getRootNode());
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106 }
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107 }