Mercurial > hg > graal-compiler
view graal/com.oracle.max.cri/src/com/oracle/max/cri/ri/RiType.java @ 5470:044502e7b5a4
Small clean up on RiRuntime.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 01 Jun 2012 16:31:49 +0200 |
parents | a53162ca8219 |
children | 438ab53efdd0 |
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/* * 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.max.cri.ri; import com.oracle.max.cri.ci.*; /** * Represents a resolved or unresolved type in the compiler-runtime interface. Types include primitives, objects, {@code void}, * and arrays thereof. */ public interface RiType { /** * 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 fields of this type. */ StaticFields, /** * 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. * @return the component type of this array type */ RiType componentType(); /** * Gets the type representing an array with elements of this type. * @return a new compiler interface type representing an array of this type */ RiType arrayOf(); /** * Gets the kind of this compiler interface type. * @param architecture When true, the architecture-specific kind used for emitting machine code is returned. * When false, the kind according to the Java specification is returned. * @return the kind */ CiKind kind(boolean architecture); /** * 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 */ CiKind getRepresentationKind(Representation r); RiResolvedType resolve(RiResolvedType accessingClass); }