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annotate graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/MetaAccessProvider.java @ 12362:f53dc8bbb88c

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refactored isReexecutable(), getKilledLocations() and canDeoptimize() out of MetaAccessProvider into ForeignCallsProvider (GRAAL-511)
author Doug Simon <doug.simon@oracle.com>
date Sat, 12 Oct 2013 00:31:37 +0200
parents 0afe7370260c
children 2d8a8980eda8
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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
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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.graal.api.meta;
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24
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25 import java.lang.reflect.*;
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26
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27 /**
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28 * Provides access to the metadata of a class typically provided in a class file.
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29 */
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30 public interface MetaAccessProvider {
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31
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32 /**
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33 * Returns the resolved Java type representing a given Java class.
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34 *
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35 * @param clazz the Java class object
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36 * @return the resolved Java type object
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37 */
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38 ResolvedJavaType lookupJavaType(Class<?> clazz);
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39
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40 /**
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41 * Provides the {@link ResolvedJavaMethod} for a {@link Method} obtained via reflection.
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42 */
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43 ResolvedJavaMethod lookupJavaMethod(Method reflectionMethod);
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44
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45 /**
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46 * Provides the {@link ResolvedJavaMethod} for a {@link Constructor} obtained via reflection.
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47 */
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48 ResolvedJavaMethod lookupJavaConstructor(Constructor reflectionConstructor);
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49
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50 /**
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51 * Provides the {@link ResolvedJavaField} for a {@link Field} obtained via reflection.
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52 */
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53 ResolvedJavaField lookupJavaField(Field reflectionField);
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55 /**
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56 * Returns the resolved Java type of the given {@link Constant} object.
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57 *
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58 * @return {@code null} if {@code constant.isNull() || !constant.kind.isObject()}
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59 */
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60 ResolvedJavaType lookupJavaType(Constant constant);
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62 /**
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63 * Parses a <a
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64 * href="http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.3.3">method
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65 * descriptor</a> into a {@link Signature}. The behavior of this method is undefined if the
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66 * method descriptor is not well formed.
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67 */
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68 Signature parseMethodDescriptor(String methodDescriptor);
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69
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70 /**
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71 * Encodes a deoptimization action and a deoptimization reason in an integer value.
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72 *
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73 * @return the encoded value as an integer
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74 */
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75 Constant encodeDeoptActionAndReason(DeoptimizationAction action, DeoptimizationReason reason);
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76 }