Showing the changes to java/pkg/java/lang/invoke/DirectMethodHandle.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,53 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package java.lang.invoke; | |
| 27 | + | |
| 28 | +import static java.lang.invoke.MethodHandleNatives.Constants.*; | |
| 29 | + | |
| 30 | +/** | |
| 31 | + * The flavor of method handle which emulates invokespecial or invokestatic. | |
| 32 | + * @author jrose | |
| 33 | + */ | |
| 34 | +class DirectMethodHandle extends MethodHandle { | |
| 35 | + //inherited oop vmtarget; // methodOop or virtual class/interface oop | |
| 36 | + private final int vmindex; // method index within class or interface | |
| 37 | + { vmindex = VM_INDEX_UNINITIALIZED; } // JVM may change this | |
| 38 | + | |
| 39 | + // Constructors in this class *must* be package scoped or private. | |
| 40 | + DirectMethodHandle(MethodType mtype, MemberName m, boolean doDispatch, Class<?> lookupClass) { | |
| 41 | + super(mtype); | |
| 42 | + | |
| 43 | + assert(m.isMethod() || !doDispatch && m.isConstructor()); | |
| 44 | + if (!m.isResolved()) | |
| 45 | + throw new InternalError(); | |
| 46 | + | |
| 47 | + MethodHandleNatives.init(this, (Object) m, doDispatch, lookupClass); | |
| 48 | + } | |
| 49 | + | |
| 50 | + boolean isValid() { | |
| 51 | + return (vmindex != VM_INDEX_UNINITIALIZED); | |
| 52 | + } | |
| 53 | +} | |