1.1 --- a/rt/emul/compact/src/main/java/java/lang/invoke/MethodHandleStatics.java Sun Aug 17 20:09:05 2014 +0200
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,131 +0,0 @@
1.4 -/*
1.5 - * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
1.6 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 - *
1.8 - * This code is free software; you can redistribute it and/or modify it
1.9 - * under the terms of the GNU General Public License version 2 only, as
1.10 - * published by the Free Software Foundation. Oracle designates this
1.11 - * particular file as subject to the "Classpath" exception as provided
1.12 - * by Oracle in the LICENSE file that accompanied this code.
1.13 - *
1.14 - * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 - * version 2 for more details (a copy is included in the LICENSE file that
1.18 - * accompanied this code).
1.19 - *
1.20 - * You should have received a copy of the GNU General Public License version
1.21 - * 2 along with this work; if not, write to the Free Software Foundation,
1.22 - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 - *
1.24 - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 - * or visit www.oracle.com if you need additional information or have any
1.26 - * questions.
1.27 - */
1.28 -
1.29 -package java.lang.invoke;
1.30 -
1.31 -import java.security.AccessController;
1.32 -import java.security.PrivilegedAction;
1.33 -//import sun.misc.Unsafe;
1.34 -
1.35 -/**
1.36 - * This class consists exclusively of static names internal to the
1.37 - * method handle implementation.
1.38 - * Usage: {@code import static java.lang.invoke.MethodHandleStatics.*}
1.39 - * @author John Rose, JSR 292 EG
1.40 - */
1.41 -/*non-public*/ class MethodHandleStatics {
1.42 -
1.43 - private MethodHandleStatics() { } // do not instantiate
1.44 -
1.45 -// static final Unsafe UNSAFE = Unsafe.getUnsafe();
1.46 -
1.47 - static final boolean DEBUG_METHOD_HANDLE_NAMES;
1.48 - static final boolean DUMP_CLASS_FILES;
1.49 - static final boolean TRACE_INTERPRETER;
1.50 - static final boolean TRACE_METHOD_LINKAGE;
1.51 - static final Integer COMPILE_THRESHOLD;
1.52 - static {
1.53 - final Object[] values = { false, false, false, false, null };
1.54 - AccessController.doPrivileged(new PrivilegedAction<Void>() {
1.55 - public Void run() {
1.56 - values[0] = Boolean.getBoolean("java.lang.invoke.MethodHandle.DEBUG_NAMES");
1.57 - values[1] = Boolean.getBoolean("java.lang.invoke.MethodHandle.DUMP_CLASS_FILES");
1.58 - values[2] = Boolean.getBoolean("java.lang.invoke.MethodHandle.TRACE_INTERPRETER");
1.59 - values[3] = Boolean.getBoolean("java.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE");
1.60 - values[4] = Integer.getInteger("java.lang.invoke.MethodHandle.COMPILE_THRESHOLD");
1.61 - return null;
1.62 - }
1.63 - });
1.64 - DEBUG_METHOD_HANDLE_NAMES = (Boolean) values[0];
1.65 - DUMP_CLASS_FILES = (Boolean) values[1];
1.66 - TRACE_INTERPRETER = (Boolean) values[2];
1.67 - TRACE_METHOD_LINKAGE = (Boolean) values[3];
1.68 - COMPILE_THRESHOLD = (Integer) values[4];
1.69 - }
1.70 -
1.71 - /*non-public*/ static String getNameString(MethodHandle target, MethodType type) {
1.72 - if (type == null)
1.73 - type = target.type();
1.74 - MemberName name = null;
1.75 - if (target != null)
1.76 - name = target.internalMemberName();
1.77 - if (name == null)
1.78 - return "invoke" + type;
1.79 - return name.getName() + type;
1.80 - }
1.81 -
1.82 - /*non-public*/ static String getNameString(MethodHandle target, MethodHandle typeHolder) {
1.83 - return getNameString(target, typeHolder == null ? (MethodType) null : typeHolder.type());
1.84 - }
1.85 -
1.86 - /*non-public*/ static String getNameString(MethodHandle target) {
1.87 - return getNameString(target, (MethodType) null);
1.88 - }
1.89 -
1.90 - /*non-public*/ static String addTypeString(Object obj, MethodHandle target) {
1.91 - String str = String.valueOf(obj);
1.92 - if (target == null) return str;
1.93 - int paren = str.indexOf('(');
1.94 - if (paren >= 0) str = str.substring(0, paren);
1.95 - return str + target.type();
1.96 - }
1.97 -
1.98 - // handy shared exception makers (they simplify the common case code)
1.99 - /*non-public*/ static InternalError newInternalError(String message, Throwable cause) {
1.100 - return new InternalError(message, cause);
1.101 - }
1.102 - /*non-public*/ static InternalError newInternalError(Throwable cause) {
1.103 - return new InternalError(cause);
1.104 - }
1.105 - /*non-public*/ static RuntimeException newIllegalStateException(String message) {
1.106 - return new IllegalStateException(message);
1.107 - }
1.108 - /*non-public*/ static RuntimeException newIllegalStateException(String message, Object obj) {
1.109 - return new IllegalStateException(message(message, obj));
1.110 - }
1.111 - /*non-public*/ static RuntimeException newIllegalArgumentException(String message) {
1.112 - return new IllegalArgumentException(message);
1.113 - }
1.114 - /*non-public*/ static RuntimeException newIllegalArgumentException(String message, Object obj) {
1.115 - return new IllegalArgumentException(message(message, obj));
1.116 - }
1.117 - /*non-public*/ static RuntimeException newIllegalArgumentException(String message, Object obj, Object obj2) {
1.118 - return new IllegalArgumentException(message(message, obj, obj2));
1.119 - }
1.120 - /*non-public*/ static Error uncaughtException(Throwable ex) {
1.121 - throw newInternalError("uncaught exception", ex);
1.122 - }
1.123 - static Error NYI() {
1.124 - throw new AssertionError("NYI");
1.125 - }
1.126 - private static String message(String message, Object obj) {
1.127 - if (obj != null) message = message + ": " + obj;
1.128 - return message;
1.129 - }
1.130 - private static String message(String message, Object obj, Object obj2) {
1.131 - if (obj != null || obj2 != null) message = message + ": " + obj + ", " + obj2;
1.132 - return message;
1.133 - }
1.134 -}