src/share/classes/com/sun/tools/classfile/SourceDebugExtension_attribute.java

Sat, 29 Dec 2012 17:33:17 -0800

author
jjg
date
Sat, 29 Dec 2012 17:33:17 -0800
changeset 1473
31780dd06ec7
parent 972
694ff82ca68e
child 1877
27a2e8c78bd0
permissions
-rw-r--r--

8004727: Add compiler support for parameter reflection
Reviewed-by: jjg
Contributed-by: eric.mccorkle@oracle.com

jjg@46 1 /*
ohair@554 2 * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
jjg@46 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@46 4 *
jjg@46 5 * This code is free software; you can redistribute it and/or modify it
jjg@46 6 * under the terms of the GNU General Public License version 2 only, as
ohair@554 7 * published by the Free Software Foundation. Oracle designates this
jjg@46 8 * particular file as subject to the "Classpath" exception as provided
ohair@554 9 * by Oracle in the LICENSE file that accompanied this code.
jjg@46 10 *
jjg@46 11 * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@46 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@46 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@46 14 * version 2 for more details (a copy is included in the LICENSE file that
jjg@46 15 * accompanied this code).
jjg@46 16 *
jjg@46 17 * You should have received a copy of the GNU General Public License version
jjg@46 18 * 2 along with this work; if not, write to the Free Software Foundation,
jjg@46 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@46 20 *
ohair@554 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554 22 * or visit www.oracle.com if you need additional information or have any
ohair@554 23 * questions.
jjg@46 24 */
jjg@46 25
jjg@46 26 package com.sun.tools.classfile;
jjg@46 27
jjg@46 28 import java.io.ByteArrayInputStream;
jjg@46 29 import java.io.DataInputStream;
jjg@46 30 import java.io.IOException;
jjg@46 31
jjg@46 32 /**
jjh@972 33 * See JVMS, section 4.8.15.
jjg@46 34 *
jjg@581 35 * <p><b>This is NOT part of any supported API.
jjg@581 36 * If you write code that depends on this, you do so at your own risk.
jjg@46 37 * This code and its internal interfaces are subject to change or
jjg@46 38 * deletion without notice.</b>
jjg@46 39 */
jjg@46 40 public class SourceDebugExtension_attribute extends Attribute {
jjg@46 41 SourceDebugExtension_attribute(ClassReader cr, int name_index, int length) throws IOException {
jjg@46 42 super(name_index, length);
jjg@46 43 debug_extension = new byte[attribute_length];
jjg@46 44 cr.readFully(debug_extension);
jjg@46 45 }
jjg@46 46
jjg@46 47 public SourceDebugExtension_attribute(ConstantPool constant_pool, byte[] debug_extension)
jjg@46 48 throws ConstantPoolException {
jjg@46 49 this(constant_pool.getUTF8Index(Attribute.SourceDebugExtension), debug_extension);
jjg@46 50 }
jjg@46 51
jjg@46 52 public SourceDebugExtension_attribute(int name_index, byte[] debug_extension) {
jjg@46 53 super(name_index, debug_extension.length);
jjg@46 54 this.debug_extension = debug_extension;
jjg@46 55 }
jjg@46 56
jjg@46 57 public String getValue() {
jjg@46 58 DataInputStream d = new DataInputStream(new ByteArrayInputStream(debug_extension));
jjg@46 59 try {
jjg@46 60 return d.readUTF();
jjg@46 61 } catch (IOException e) {
jjg@46 62 return null;
jjg@46 63 }
jjg@46 64 }
jjg@46 65
jjg@46 66 public <R, D> R accept(Visitor<R, D> visitor, D data) {
jjg@46 67 return visitor.visitSourceDebugExtension(this, data);
jjg@46 68 }
jjg@46 69
jjg@46 70 public final byte[] debug_extension;
jjg@46 71 }

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