Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright 2007 Sun Microsystems, Inc.  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.  Sun designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

  * CA 95054 USA or visit www.sun.com if you need additional information or

  * have any questions.

  */

 package com.sun.tools.classfile;

 import java.io.IOException;

 /**

  * See JVMS3, section 4.8.13.

  *

  *  <p><b>This is NOT part of any API supported by Sun Microsystems.  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 LocalVariableTable_attribute extends Attribute {

     LocalVariableTable_attribute(ClassReader cr, int name_index, int length) throws IOException {

         super(name_index, length);

         local_variable_table_length = cr.readUnsignedShort();

         local_variable_table = new Entry[local_variable_table_length];

         for (int i = 0; i < local_variable_table_length; i++)

             local_variable_table[i] = new Entry(cr);

     }

     public LocalVariableTable_attribute(ConstantPool constant_pool, Entry[] local_variable_table)

             throws ConstantPoolException {

         this(constant_pool.getUTF8Index(Attribute.LocalVariableTable), local_variable_table);

     }

     public LocalVariableTable_attribute(int name_index, Entry[] local_variable_table) {

         super(name_index, local_variable_table.length * Entry.length());

         this.local_variable_table_length = local_variable_table.length;

         this.local_variable_table = local_variable_table;

     }

     public <R, D> R accept(Visitor<R, D> visitor, D data) {

         return visitor.visitLocalVariableTable(this, data);

     }

     public final int local_variable_table_length;

     public final Entry[] local_variable_table;

     public static class Entry {

         Entry(ClassReader cr) throws IOException {

             start_pc = cr.readUnsignedShort();

             length = cr.readUnsignedShort();

             name_index = cr.readUnsignedShort();

             descriptor_index = cr.readUnsignedShort();

             index = cr.readUnsignedShort();

         }

         public static int length() {

             return 10;

         }

         public final int start_pc;

         public final int length;

         public final int name_index;

         public final int descriptor_index;

         public final int index;

     }

 }