diff -r eca8e9c3ec3e -r cd50c1894ce5 rt/emul/compact/src/main/java/java/lang/invoke/MethodHandleStatics.java --- a/rt/emul/compact/src/main/java/java/lang/invoke/MethodHandleStatics.java Sun Aug 17 20:09:05 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,131 +0,0 @@ -/* - * Copyright (c) 2011, 2012, 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. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * 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 java.lang.invoke; - -import java.security.AccessController; -import java.security.PrivilegedAction; -//import sun.misc.Unsafe; - -/** - * This class consists exclusively of static names internal to the - * method handle implementation. - * Usage: {@code import static java.lang.invoke.MethodHandleStatics.*} - * @author John Rose, JSR 292 EG - */ -/*non-public*/ class MethodHandleStatics { - - private MethodHandleStatics() { } // do not instantiate - -// static final Unsafe UNSAFE = Unsafe.getUnsafe(); - - static final boolean DEBUG_METHOD_HANDLE_NAMES; - static final boolean DUMP_CLASS_FILES; - static final boolean TRACE_INTERPRETER; - static final boolean TRACE_METHOD_LINKAGE; - static final Integer COMPILE_THRESHOLD; - static { - final Object[] values = { false, false, false, false, null }; - AccessController.doPrivileged(new PrivilegedAction() { - public Void run() { - values[0] = Boolean.getBoolean("java.lang.invoke.MethodHandle.DEBUG_NAMES"); - values[1] = Boolean.getBoolean("java.lang.invoke.MethodHandle.DUMP_CLASS_FILES"); - values[2] = Boolean.getBoolean("java.lang.invoke.MethodHandle.TRACE_INTERPRETER"); - values[3] = Boolean.getBoolean("java.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE"); - values[4] = Integer.getInteger("java.lang.invoke.MethodHandle.COMPILE_THRESHOLD"); - return null; - } - }); - DEBUG_METHOD_HANDLE_NAMES = (Boolean) values[0]; - DUMP_CLASS_FILES = (Boolean) values[1]; - TRACE_INTERPRETER = (Boolean) values[2]; - TRACE_METHOD_LINKAGE = (Boolean) values[3]; - COMPILE_THRESHOLD = (Integer) values[4]; - } - - /*non-public*/ static String getNameString(MethodHandle target, MethodType type) { - if (type == null) - type = target.type(); - MemberName name = null; - if (target != null) - name = target.internalMemberName(); - if (name == null) - return "invoke" + type; - return name.getName() + type; - } - - /*non-public*/ static String getNameString(MethodHandle target, MethodHandle typeHolder) { - return getNameString(target, typeHolder == null ? (MethodType) null : typeHolder.type()); - } - - /*non-public*/ static String getNameString(MethodHandle target) { - return getNameString(target, (MethodType) null); - } - - /*non-public*/ static String addTypeString(Object obj, MethodHandle target) { - String str = String.valueOf(obj); - if (target == null) return str; - int paren = str.indexOf('('); - if (paren >= 0) str = str.substring(0, paren); - return str + target.type(); - } - - // handy shared exception makers (they simplify the common case code) - /*non-public*/ static InternalError newInternalError(String message, Throwable cause) { - return new InternalError(message, cause); - } - /*non-public*/ static InternalError newInternalError(Throwable cause) { - return new InternalError(cause); - } - /*non-public*/ static RuntimeException newIllegalStateException(String message) { - return new IllegalStateException(message); - } - /*non-public*/ static RuntimeException newIllegalStateException(String message, Object obj) { - return new IllegalStateException(message(message, obj)); - } - /*non-public*/ static RuntimeException newIllegalArgumentException(String message) { - return new IllegalArgumentException(message); - } - /*non-public*/ static RuntimeException newIllegalArgumentException(String message, Object obj) { - return new IllegalArgumentException(message(message, obj)); - } - /*non-public*/ static RuntimeException newIllegalArgumentException(String message, Object obj, Object obj2) { - return new IllegalArgumentException(message(message, obj, obj2)); - } - /*non-public*/ static Error uncaughtException(Throwable ex) { - throw newInternalError("uncaught exception", ex); - } - static Error NYI() { - throw new AssertionError("NYI"); - } - private static String message(String message, Object obj) { - if (obj != null) message = message + ": " + obj; - return message; - } - private static String message(String message, Object obj, Object obj2) { - if (obj != null || obj2 != null) message = message + ": " + obj + ", " + obj2; - return message; - } -}