Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/SLRootNode.java @ 19312:a8d128366ebf
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author | Andreas Woess <andreas.woess@jku.at> |
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date | Thu, 12 Feb 2015 04:01:46 +0100 |
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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; |
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24 |
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25 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal; |
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26 import com.oracle.truffle.api.*; |
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27 import com.oracle.truffle.api.frame.*; |
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28 import com.oracle.truffle.api.instrument.*; |
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29 import com.oracle.truffle.api.nodes.*; |
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30 import com.oracle.truffle.sl.builtins.*; |
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31 import com.oracle.truffle.sl.nodes.controlflow.*; |
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32 import com.oracle.truffle.sl.runtime.*; |
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33 |
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34 /** |
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35 * The root of all SL execution trees. It is a Truffle requirement that the tree root extends the |
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36 * class {@link RootNode}. This class is used for both builtin and user-defined functions. For |
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37 * builtin functions, the {@link #bodyNode} is a subclass of {@link SLBuiltinNode}. For user-defined |
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38 * functions, the {@link #bodyNode} is a {@link SLFunctionBodyNode}. |
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39 */ |
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40 @NodeInfo(language = "Simple Language", description = "The root of all Simple Language execution trees") |
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41 public final class SLRootNode extends RootNode { |
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42 |
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43 /** The function body that is executed, and specialized during execution. */ |
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44 @Child private SLExpressionNode bodyNode; |
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45 |
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46 /** The name of the function, for printing purposes only. */ |
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47 private final String name; |
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48 |
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49 /** The Simple execution context for this tree. **/ |
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50 private final SLContext context; |
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51 |
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52 @CompilationFinal private boolean isCloningAllowed; |
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53 |
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54 public SLRootNode(SLContext context, FrameDescriptor frameDescriptor, SLExpressionNode bodyNode, String name) { |
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55 super(null, frameDescriptor); |
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56 this.bodyNode = bodyNode; |
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57 this.name = name; |
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58 this.context = context; |
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59 } |
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60 |
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61 @Override |
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62 public Object execute(VirtualFrame frame) { |
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63 return bodyNode.executeGeneric(frame); |
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64 } |
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65 |
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66 public String getName() { |
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67 return name; |
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68 } |
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69 |
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70 public void setCloningAllowed(boolean isCloningAllowed) { |
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71 this.isCloningAllowed = isCloningAllowed; |
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72 } |
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73 |
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74 public SLExpressionNode getBodyNode() { |
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75 return bodyNode; |
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76 } |
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77 |
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78 @Override |
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79 public boolean isCloningAllowed() { |
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80 return isCloningAllowed; |
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81 } |
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82 |
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83 @Override |
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84 public void applyInstrumentation() { |
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85 Probe.applyASTProbers(bodyNode); |
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86 } |
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87 |
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88 @Override |
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89 public String toString() { |
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90 return "root " + name; |
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91 } |
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92 |
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93 public SLContext getSLContext() { |
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94 return this.context; |
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95 } |
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96 |
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97 @Override |
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98 public ExecutionContext getExecutionContext() { |
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99 return this.context; |
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100 } |
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101 } |