Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/SLScript.java @ 12752:71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 11 Nov 2013 21:34:44 +0100 |
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children | 69d2e4baa215 |
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12752
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
parents:
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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 |
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
71991b7a0f14
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
71991b7a0f14
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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.sl.parser.*; |
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31 import com.oracle.truffle.sl.runtime.*; |
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32 |
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33 public final class SLScript { |
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34 |
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35 private final SLContext context; |
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36 private final CallTarget main; |
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37 |
71991b7a0f14
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38 private SLScript(SLContext context, CallTarget mainFunction) { |
71991b7a0f14
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39 this.context = context; |
71991b7a0f14
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40 this.main = mainFunction; |
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41 } |
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42 |
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43 public SLContext getContext() { |
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44 return context; |
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45 } |
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46 |
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47 public CallTarget getMain() { |
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48 return main; |
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49 } |
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50 |
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51 public Object run(Object... arguments) { |
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52 return main.call(null, new SLArguments(arguments)); |
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53 } |
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54 |
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55 @Override |
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56 public String toString() { |
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57 return main.toString(); |
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58 } |
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59 |
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60 public static SLScript create(SLContext context, String input) throws ScriptException { |
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61 return create(context, new ByteArrayInputStream(input.getBytes())); |
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62 |
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63 } |
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64 |
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65 public static SLScript create(SLContext context, InputStream input) throws ScriptException { |
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66 SLNodeFactory factory = new SLNodeFactory(context); |
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67 Parser parser = new Parser(new Scanner(input), factory); |
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68 factory.setParser(parser); |
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69 factory.setSource(new Source() { |
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70 public String getName() { |
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71 return "Unknown"; |
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72 } |
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73 |
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74 public String getCode() { |
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75 return null; |
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76 } |
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77 }); |
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78 String error = parser.ParseErrors(); |
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79 if (!error.isEmpty()) { |
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80 throw new ScriptException(String.format("Error(s) parsing script: %s", error)); |
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81 } |
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82 |
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83 CallTarget main = context.getFunctionRegistry().lookup("main"); |
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84 if (main == null) { |
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85 throw new ScriptException("No main function found."); |
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86 } |
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87 return new SLScript(context, main); |
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88 } |
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89 } |