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annotate graal/com.oracle.max.cri/src/com/sun/cri/ri/RiResolvedField.java @ 3733:e233f5660da4

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Added Java files from Maxine project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 19:59:18 +0100
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3733
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1 /*
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2 * Copyright (c) 2009, 2011, 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.sun.cri.ri;
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24
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25 import java.lang.annotation.*;
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26 import java.lang.reflect.*;
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27
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28 import com.sun.cri.ci.*;
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29
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30 /**
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31 * Represents a reference to a resolved field. Fields, like methods and types, are
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32 * resolved through {@link RiConstantPool constant pools}, and their actual implementation is provided by the
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33 * {@link RiRuntime runtime} to the compiler.
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34 */
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35 public interface RiResolvedField extends RiField {
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36
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37 /**
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38 * Gets the access flags for this field. Only the flags specified in the JVM specification
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39 * will be included in the returned mask. The utility methods in the {@link Modifier} class
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40 * should be used to query the returned mask for the presence/absence of individual flags.
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41 * @return the mask of JVM defined field access flags defined for this field
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42 */
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43 int accessFlags();
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44
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45 /**
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46 * Gets the constant value of this field if available.
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47 * @param receiver object from which this field's value is to be read. This value is ignored if this field is static.
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48 * @return the constant value of this field or {@code null} if the constant value is not available
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49 */
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50 CiConstant constantValue(CiConstant receiver);
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51
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52 /**
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53 * Gets the holder of this field as a compiler-runtime interface type.
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54 * @return the holder of this field
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55 */
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56 RiResolvedType holder();
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57
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58 /**
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59 * Returns this field's annotation of a specified type.
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60 *
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61 * @param annotationClass the Class object corresponding to the annotation type
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62 * @return the annotation of type {@code annotationClass} for this field if present, else null
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63 */
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64 <T extends Annotation> T getAnnotation(Class<T> annotationClass);
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65 }