--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.jdeps/share/classes/com/sun/tools/classfile/Annotation.java Wed May 27 13:25:18 2015 -0700
@@ -0,0 +1,244 @@
+/*
+ * Copyright (c) 2007, 2009, 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 com.sun.tools.classfile;
+
+import java.io.IOException;
+
+/**
+ * See JVMS, section 4.8.16.
+ *
+ * <p><b>This is NOT part of any supported API.
+ * If you write code that depends on this, you do so at your own risk.
+ * This code and its internal interfaces are subject to change or
+ * deletion without notice.</b>
+ */
+public class Annotation {
+ static class InvalidAnnotation extends AttributeException {
+ private static final long serialVersionUID = -4620480740735772708L;
+ InvalidAnnotation(String msg) {
+ super(msg);
+ }
+ }
+
+ Annotation(ClassReader cr) throws IOException, InvalidAnnotation {
+ type_index = cr.readUnsignedShort();
+ num_element_value_pairs = cr.readUnsignedShort();
+ element_value_pairs = new element_value_pair[num_element_value_pairs];
+ for (int i = 0; i < element_value_pairs.length; i++)
+ element_value_pairs[i] = new element_value_pair(cr);
+ }
+
+ public Annotation(ConstantPool constant_pool,
+ int type_index,
+ element_value_pair[] element_value_pairs) {
+ this.type_index = type_index;
+ num_element_value_pairs = element_value_pairs.length;
+ this.element_value_pairs = element_value_pairs;
+ }
+
+ public int length() {
+ int n = 2 /*type_index*/ + 2 /*num_element_value_pairs*/;
+ for (element_value_pair pair: element_value_pairs)
+ n += pair.length();
+ return n;
+ }
+
+ public final int type_index;
+ public final int num_element_value_pairs;
+ public final element_value_pair element_value_pairs[];
+
+ /**
+ * See JVMS, section 4.8.16.1.
+ */
+ public static abstract class element_value {
+ public static element_value read(ClassReader cr)
+ throws IOException, InvalidAnnotation {
+ int tag = cr.readUnsignedByte();
+ switch (tag) {
+ case 'B':
+ case 'C':
+ case 'D':
+ case 'F':
+ case 'I':
+ case 'J':
+ case 'S':
+ case 'Z':
+ case 's':
+ return new Primitive_element_value(cr, tag);
+
+ case 'e':
+ return new Enum_element_value(cr, tag);
+
+ case 'c':
+ return new Class_element_value(cr, tag);
+
+ case '@':
+ return new Annotation_element_value(cr, tag);
+
+ case '[':
+ return new Array_element_value(cr, tag);
+
+ default:
+ throw new InvalidAnnotation("unrecognized tag: " + tag);
+ }
+ }
+
+ protected element_value(int tag) {
+ this.tag = tag;
+ }
+
+ public abstract int length();
+
+ public abstract <R,P> R accept(Visitor<R,P> visitor, P p);
+
+ public interface Visitor<R,P> {
+ R visitPrimitive(Primitive_element_value ev, P p);
+ R visitEnum(Enum_element_value ev, P p);
+ R visitClass(Class_element_value ev, P p);
+ R visitAnnotation(Annotation_element_value ev, P p);
+ R visitArray(Array_element_value ev, P p);
+ }
+
+ public final int tag;
+ }
+
+ public static class Primitive_element_value extends element_value {
+ Primitive_element_value(ClassReader cr, int tag) throws IOException {
+ super(tag);
+ const_value_index = cr.readUnsignedShort();
+ }
+
+ @Override
+ public int length() {
+ return 2;
+ }
+
+ public <R,P> R accept(Visitor<R,P> visitor, P p) {
+ return visitor.visitPrimitive(this, p);
+ }
+
+ public final int const_value_index;
+
+ }
+
+ public static class Enum_element_value extends element_value {
+ Enum_element_value(ClassReader cr, int tag) throws IOException {
+ super(tag);
+ type_name_index = cr.readUnsignedShort();
+ const_name_index = cr.readUnsignedShort();
+ }
+
+ @Override
+ public int length() {
+ return 4;
+ }
+
+ public <R,P> R accept(Visitor<R,P> visitor, P p) {
+ return visitor.visitEnum(this, p);
+ }
+
+ public final int type_name_index;
+ public final int const_name_index;
+ }
+
+ public static class Class_element_value extends element_value {
+ Class_element_value(ClassReader cr, int tag) throws IOException {
+ super(tag);
+ class_info_index = cr.readUnsignedShort();
+ }
+
+ @Override
+ public int length() {
+ return 2;
+ }
+
+ public <R,P> R accept(Visitor<R,P> visitor, P p) {
+ return visitor.visitClass(this, p);
+ }
+
+ public final int class_info_index;
+ }
+
+ public static class Annotation_element_value extends element_value {
+ Annotation_element_value(ClassReader cr, int tag)
+ throws IOException, InvalidAnnotation {
+ super(tag);
+ annotation_value = new Annotation(cr);
+ }
+
+ @Override
+ public int length() {
+ return annotation_value.length();
+ }
+
+ public <R,P> R accept(Visitor<R,P> visitor, P p) {
+ return visitor.visitAnnotation(this, p);
+ }
+
+ public final Annotation annotation_value;
+ }
+
+ public static class Array_element_value extends element_value {
+ Array_element_value(ClassReader cr, int tag)
+ throws IOException, InvalidAnnotation {
+ super(tag);
+ num_values = cr.readUnsignedShort();
+ values = new element_value[num_values];
+ for (int i = 0; i < values.length; i++)
+ values[i] = element_value.read(cr);
+ }
+
+ @Override
+ public int length() {
+ int n = 2;
+ for (int i = 0; i < values.length; i++)
+ n += values[i].length();
+ return n;
+ }
+
+ public <R,P> R accept(Visitor<R,P> visitor, P p) {
+ return visitor.visitArray(this, p);
+ }
+
+ public final int num_values;
+ public final element_value[] values;
+ }
+
+ public static class element_value_pair {
+ element_value_pair(ClassReader cr)
+ throws IOException, InvalidAnnotation {
+ element_name_index = cr.readUnsignedShort();
+ value = element_value.read(cr);
+ }
+
+ public int length() {
+ return 2 + value.length();
+ }
+
+ public final int element_name_index;
+ public final element_value value;
+ }
+}