Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/JavaType.java @ 6430:c96407df35ea
fixed HotSpotResolvedJavaType.componentType() to correctly implement the specification in JavaType
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 25 Sep 2012 09:01:58 +0200 |
parents | 3b3af8fc32a7 |
children | 04f08ab5bacf |
line wrap: on
line source
/* * 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.oracle.graal.api.meta; /** * Represents a resolved or unresolved type in the compiler-runtime interface. Types include primitives, objects, {@code void}, * and arrays thereof. */ public interface JavaType { /** * Represents each of the several different parts of the runtime representation of * a type which compiled code may need to reference individually. These may or may not be * different objects or data structures, depending on the runtime system. */ public enum Representation { /** * The runtime representation of the data structure containing the static primitive fields of this type. */ StaticPrimitiveFields, /** * The runtime representation of the data structure containing the static object fields of this type. */ StaticObjectFields, /** * The runtime representation of the Java class object of this type. */ JavaClass, /** * The runtime representation of the "hub" of this type--that is, the closest part of the type * representation which is typically stored in the object header. */ ObjectHub } /** * Gets the name of this type in internal form. The following are examples of strings returned by this method: * <pre> * "Ljava/lang/Object;" * "I" * "[[B" * </pre> * * @return the name of this type in internal form */ String name(); /** * For array types, gets the type of the components. * This will be null if this is not an array type. * This method is analogous to {@link Class#getComponentType()}. * * @return the component type of this type if it is an array type otherwise null */ JavaType componentType(); /** * Gets the type representing an array with elements of this type. * @return a new compiler interface type representing an array of this type */ JavaType arrayOf(); /** * Gets the kind of this compiler interface type. * @return the kind */ Kind kind(); /** * Gets the kind used to represent the specified part of this type. * @param r the part of the this type * @return the kind of constants for the specified part of the type */ Kind getRepresentationKind(Representation r); /** * Resolved this Java type and returns the result. * @param accessingClass the class that requests resolving this type * @return the resolved Java type */ ResolvedJavaType resolve(ResolvedJavaType accessingClass); }