1 /*
2  * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
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23  */
24 
25 package sun.jvm.hotspot.debugger.cdbg;
26 
27 import sun.jvm.hotspot.debugger.*;
28 
29 /** A BlockSym models a lexical scope in a block-structured
30     language. It is (currently) the bottommost scope type. */
31 
32 public interface BlockSym extends Sym {
33   /** Get the lexically enclosing block, or null if none */
getParent()34   public BlockSym getParent();
35 
36   /** Length in bytes of the machine code in this block */
getLength()37   public long getLength();
38 
39   /** Address of the first machine instruction in this block */
getAddress()40   public Address getAddress();
41 
42   /** Name of this block, or null if none */
getName()43   public String getName();
44 
45   /** Number of local variable symbols associated with this block */
getNumLocals()46   public int getNumLocals();
47 
48   /** Return <i>i</i>th local (0..getNumLocals() - 1) */
getLocal(int i)49   public LocalSym getLocal(int i);
50 }
51