--- /dev/null 2015-10-08 07:25:25.000000000 -1000 +++ new/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectType.java 2015-10-08 07:25:25.000000000 -1000 @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2011, 2015, 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 jdk.vm.ci.hotspot; + +import jdk.vm.ci.meta.*; +import jdk.vm.ci.meta.Assumptions.*; + +/** + * Implementation of {@link JavaType} for resolved non-primitive HotSpot classes. + */ +public interface HotSpotResolvedObjectType extends ResolvedJavaType { + + HotSpotResolvedObjectType getArrayClass(); + + ResolvedJavaType getComponentType(); + + AssumptionResult findLeafConcreteSubtype(); + + HotSpotResolvedObjectType getSuperclass(); + + HotSpotResolvedObjectType[] getInterfaces(); + + HotSpotResolvedObjectType getSupertype(); + + HotSpotResolvedObjectType findLeastCommonAncestor(ResolvedJavaType otherType); + + HotSpotResolvedObjectType asExactType(); + + default boolean isPrimitive() { + return false; + } + + default JavaKind getJavaKind() { + return JavaKind.Object; + } + + ConstantPool getConstantPool(); + + /** + * Gets the instance size of this type. If an instance of this type cannot be fast path + * allocated, then the returned value is negative (its absolute value gives the size). Must not + * be called if this is an array or interface type. + */ + int instanceSize(); + + int getVtableLength(); + + @Override + AssumptionResult findUniqueConcreteMethod(ResolvedJavaMethod method); + + /** + * Performs a fast-path check that this type is resolved in the context of a given accessing + * class. A negative result does not mean this type is not resolved with respect to + * {@code accessingClass}. That can only be determined by + * {@linkplain HotSpotJVMCIRuntime#lookupType(String, HotSpotResolvedObjectType, boolean) + * re-resolving} the type. + */ + boolean isDefinitelyResolvedWithRespectTo(ResolvedJavaType accessingClass); + + /** + * Gets the metaspace Klass boxed in a {@link JavaConstant}. + */ + Constant klass(); + + boolean isPrimaryType(); + + int superCheckOffset(); + + long prototypeMarkWord(); + + int layoutHelper(); + + HotSpotResolvedObjectType getEnclosingType(); + + ResolvedJavaMethod getClassInitializer(); + + ResolvedJavaField createField(String name, JavaType type, long offset, int modifiers); +}