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. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, 20 * CA 94065 USA or visit www.oracle.com if you need additional information or 21 * have any questions. 22 * 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 */ 34 public BlockSym getParent(); 35 36 /** Length in bytes of the machine code in this block */ 37 public long getLength(); 38 39 /** Address of the first machine instruction in this block */ 40 public Address getAddress(); 41 42 /** Name of this block, or null if none */ 43 public String getName(); 44 45 /** Number of local variable symbols associated with this block */ 46 public int getNumLocals(); 47 48 /** Return <i>i</i>th local (0..getNumLocals() - 1) */ 49 public LocalSym getLocal(int i); 50 }