diff -r 5daa5fbad3ce -r bd3b98a11a14 jdk/src/java.base/share/classes/sun/reflect/ConstantPool.java --- a/jdk/src/java.base/share/classes/sun/reflect/ConstantPool.java Fri Apr 15 16:19:14 2016 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,131 +0,0 @@ -/* - * Copyright (c) 2003, 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. 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 sun.reflect; - -import java.lang.reflect.*; - -/** Provides reflective access to the constant pools of classes. - Currently this is needed to provide reflective access to annotations - but may be used by other internal subsystems in the future. */ - -public class ConstantPool { - // Number of entries in this constant pool (= maximum valid constant pool index) - public int getSize() { return getSize0 (constantPoolOop); } - public Class getClassAt (int index) { return getClassAt0 (constantPoolOop, index); } - public Class getClassAtIfLoaded (int index) { return getClassAtIfLoaded0 (constantPoolOop, index); } - // Returns a class reference index for a method or a field. - public int getClassRefIndexAt(int index) { - return getClassRefIndexAt0(constantPoolOop, index); - } - // Returns either a Method or Constructor. - // Static initializers are returned as Method objects. - public Member getMethodAt (int index) { return getMethodAt0 (constantPoolOop, index); } - public Member getMethodAtIfLoaded(int index) { return getMethodAtIfLoaded0(constantPoolOop, index); } - public Field getFieldAt (int index) { return getFieldAt0 (constantPoolOop, index); } - public Field getFieldAtIfLoaded (int index) { return getFieldAtIfLoaded0 (constantPoolOop, index); } - // Fetches the class name, member (field, method or interface - // method) name, and type descriptor as an array of three Strings - public String[] getMemberRefInfoAt (int index) { return getMemberRefInfoAt0 (constantPoolOop, index); } - // Returns a name and type reference index for a method, a field or an invokedynamic. - public int getNameAndTypeRefIndexAt(int index) { - return getNameAndTypeRefIndexAt0(constantPoolOop, index); - } - // Fetches the name and type from name_and_type index as an array of two Strings - public String[] getNameAndTypeRefInfoAt(int index) { - return getNameAndTypeRefInfoAt0(constantPoolOop, index); - } - public int getIntAt (int index) { return getIntAt0 (constantPoolOop, index); } - public long getLongAt (int index) { return getLongAt0 (constantPoolOop, index); } - public float getFloatAt (int index) { return getFloatAt0 (constantPoolOop, index); } - public double getDoubleAt (int index) { return getDoubleAt0 (constantPoolOop, index); } - public String getStringAt (int index) { return getStringAt0 (constantPoolOop, index); } - public String getUTF8At (int index) { return getUTF8At0 (constantPoolOop, index); } - public Tag getTagAt(int index) { - return Tag.valueOf(getTagAt0(constantPoolOop, index)); - } - - public static enum Tag { - UTF8(1), - INTEGER(3), - FLOAT(4), - LONG(5), - DOUBLE(6), - CLASS(7), - STRING(8), - FIELDREF(9), - METHODREF(10), - INTERFACEMETHODREF(11), - NAMEANDTYPE(12), - METHODHANDLE(15), - METHODTYPE(16), - INVOKEDYNAMIC(18), - INVALID(0); - - private final int tagCode; - - private Tag(int tagCode) { - this.tagCode = tagCode; - } - - private static Tag valueOf(byte v) { - for (Tag tag : Tag.values()) { - if (tag.tagCode == v) { - return tag; - } - } - throw new IllegalArgumentException("Unknown constant pool tag code " + v); - } - } - //--------------------------------------------------------------------------- - // Internals only below this point - // - - static { - Reflection.registerFieldsToFilter(ConstantPool.class, new String[] { "constantPoolOop" }); - } - - // HotSpot-internal constant pool object (set by the VM, name known to the VM) - private Object constantPoolOop; - - private native int getSize0 (Object constantPoolOop); - private native Class getClassAt0 (Object constantPoolOop, int index); - private native Class getClassAtIfLoaded0 (Object constantPoolOop, int index); - private native int getClassRefIndexAt0 (Object constantPoolOop, int index); - private native Member getMethodAt0 (Object constantPoolOop, int index); - private native Member getMethodAtIfLoaded0(Object constantPoolOop, int index); - private native Field getFieldAt0 (Object constantPoolOop, int index); - private native Field getFieldAtIfLoaded0 (Object constantPoolOop, int index); - private native String[] getMemberRefInfoAt0 (Object constantPoolOop, int index); - private native int getNameAndTypeRefIndexAt0(Object constantPoolOop, int index); - private native String[] getNameAndTypeRefInfoAt0(Object constantPoolOop, int index); - private native int getIntAt0 (Object constantPoolOop, int index); - private native long getLongAt0 (Object constantPoolOop, int index); - private native float getFloatAt0 (Object constantPoolOop, int index); - private native double getDoubleAt0 (Object constantPoolOop, int index); - private native String getStringAt0 (Object constantPoolOop, int index); - private native String getUTF8At0 (Object constantPoolOop, int index); - private native byte getTagAt0 (Object constantPoolOop, int index); -}