Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/SLExpressionNode.java @ 15262:cd51b1253c4c
replaced the link between a HotSpotResolvedJavaMethod and a SpeculationLog with a ClassValue based mechanism (GRAAL-727)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 22 Apr 2014 15:46:06 +0200 |
parents | f3a5036cc13c |
children | 111bf82514ca |
rev | line source |
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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 java.math.*; |
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26 |
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27 import com.oracle.truffle.api.dsl.*; |
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28 import com.oracle.truffle.api.frame.*; |
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29 import com.oracle.truffle.api.nodes.*; |
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30 import com.oracle.truffle.sl.runtime.*; |
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31 |
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32 /** |
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33 * Base class for all SL nodes that produce a value and therefore benefit from type specialization. |
14906 | 34 * The annotation {@link TypeSystemReference} specifies the SL types. Specifying it here defines the |
35 * type system for all subclasses. | |
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36 */ |
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37 @TypeSystemReference(SLTypes.class) |
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38 public abstract class SLExpressionNode extends SLStatementNode { |
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39 |
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40 /** |
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41 * The execute method when no specialization is possible. This is the most general case, |
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42 * therefore it must be provided by all subclasses. |
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43 */ |
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44 public abstract Object executeGeneric(VirtualFrame frame); |
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45 |
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46 /** |
14906 | 47 * When we use an expression at places where a {@link SLStatementNode statement} is already |
48 * sufficient, the return value is just discarded. | |
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49 */ |
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50 @Override |
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51 public void executeVoid(VirtualFrame frame) { |
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52 executeGeneric(frame); |
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53 } |
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54 |
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55 /* |
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56 * Execute methods for specialized types. They all follow the same pattern: they call the |
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57 * generic execution method and then expect a result of their return type. Type-specialized |
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58 * subclasses overwrite the appropriate methods. |
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59 */ |
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60 |
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61 public long executeLong(VirtualFrame frame) throws UnexpectedResultException { |
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62 return SLTypesGen.SLTYPES.expectLong(executeGeneric(frame)); |
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63 } |
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64 |
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65 public BigInteger executeBigInteger(VirtualFrame frame) throws UnexpectedResultException { |
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66 return SLTypesGen.SLTYPES.expectBigInteger(executeGeneric(frame)); |
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67 } |
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68 |
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69 public boolean executeBoolean(VirtualFrame frame) throws UnexpectedResultException { |
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70 return SLTypesGen.SLTYPES.expectBoolean(executeGeneric(frame)); |
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71 } |
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72 |
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73 public String executeString(VirtualFrame frame) throws UnexpectedResultException { |
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74 return SLTypesGen.SLTYPES.expectString(executeGeneric(frame)); |
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75 } |
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76 |
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77 public SLFunction executeFunction(VirtualFrame frame) throws UnexpectedResultException { |
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78 return SLTypesGen.SLTYPES.expectSLFunction(executeGeneric(frame)); |
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79 } |
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80 |
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81 public SLNull executeNull(VirtualFrame frame) throws UnexpectedResultException { |
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82 return SLTypesGen.SLTYPES.expectSLNull(executeGeneric(frame)); |
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83 } |
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84 } |