Mercurial > hg > graal-compiler
diff graal/com.oracle.max.cri/src/com/sun/cri/ri/RiResolvedField.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.max.cri/src/com/sun/cri/ri/RiResolvedField.java Sat Dec 17 19:59:18 2011 +0100 @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.sun.cri.ri; + +import java.lang.annotation.*; +import java.lang.reflect.*; + +import com.sun.cri.ci.*; + +/** + * Represents a reference to a resolved field. Fields, like methods and types, are + * resolved through {@link RiConstantPool constant pools}, and their actual implementation is provided by the + * {@link RiRuntime runtime} to the compiler. + */ +public interface RiResolvedField extends RiField { + + /** + * Gets the access flags for this field. Only the flags specified in the JVM specification + * will be included in the returned mask. The utility methods in the {@link Modifier} class + * should be used to query the returned mask for the presence/absence of individual flags. + * @return the mask of JVM defined field access flags defined for this field + */ + int accessFlags(); + + /** + * Gets the constant value of this field if available. + * @param receiver object from which this field's value is to be read. This value is ignored if this field is static. + * @return the constant value of this field or {@code null} if the constant value is not available + */ + CiConstant constantValue(CiConstant receiver); + + /** + * Gets the holder of this field as a compiler-runtime interface type. + * @return the holder of this field + */ + RiResolvedType holder(); + + /** + * Returns this field's annotation of a specified type. + * + * @param annotationClass the Class object corresponding to the annotation type + * @return the annotation of type {@code annotationClass} for this field if present, else null + */ + <T extends Annotation> T getAnnotation(Class<T> annotationClass); +}