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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/SLMain.java @ 13761:7c418666c6c9

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Refactoring and cleanup of Simple Language (more to come soon)
author Christian Wimmer <christian.wimmer@oracle.com>
date Fri, 24 Jan 2014 18:16:24 -0800
parents graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/SimpleLanguage.java@69d2e4baa215
children b16ec83edc73
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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 *
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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
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 com.oracle.truffle.api.*;
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28 import com.oracle.truffle.api.nodes.*;
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29 import com.oracle.truffle.api.source.*;
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30 import com.oracle.truffle.sl.parser.*;
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31 import com.oracle.truffle.sl.runtime.*;
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32
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33 public class SLMain {
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34
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35 private static final Object[] NO_ARGUMENTS = new Object[0];
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36
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37 public static void main(String[] args) {
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38 SourceManager sourceManager = new SourceManager();
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39 Source source = sourceManager.get(args[0]);
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40 SLContext context = new SLContext(sourceManager, System.err);
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41 run(context, source, System.out, 1);
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42 }
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43
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44 public static void run(SLContext context, Source source, PrintStream logOutput, int repeats) {
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45 if (logOutput != null) {
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46 logOutput.println("== running on " + Truffle.getRuntime().getName());
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47 }
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48
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49 Parser.parseSL(context, source);
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50 SLFunction main = context.getFunctionRegistry().lookup("main");
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51 if (main.getCallTarget() == null) {
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52 throw new SLException("No function main() found.");
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53 }
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54
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55 if (logOutput != null) {
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56 printScript(context, logOutput);
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57 }
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58 try {
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59 for (int i = 0; i < repeats; i++) {
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60 long start = System.nanoTime();
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61 Object result = main.getCallTarget().call(null, new SLArguments(NO_ARGUMENTS));
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62 long end = System.nanoTime();
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63
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64 if (result != SLNull.INSTANCE) {
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65 context.getPrintOutput().println(result);
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66 }
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67 if (logOutput != null) {
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68 logOutput.printf("== iteration %d: %.3f ms\n", (i + 1), (end - start) / 1000000.0);
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69 }
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70 }
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71
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72 } finally {
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73 if (logOutput != null) {
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74 printScript(context, logOutput);
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75 }
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76 }
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77 }
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78
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79 private static void printScript(SLContext context, PrintStream logOutput) {
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80 for (SLFunction function : context.getFunctionRegistry().getFunctions()) {
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81 if (function.getCallTarget() != null) {
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82 logOutput.println("=== function " + function.getName());
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83 NodeUtil.printTree(logOutput, function.getCallTarget().getRootNode());
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84 }
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85 }
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86 }
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87 }