author | never |
Thu, 21 Jul 2011 08:38:25 -0700 | |
changeset 10251 | 71b8938a2821 |
parent 5547 | f4b087cbb361 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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package sun.jvm.hotspot.interpreter; |
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import sun.jvm.hotspot.oops.*; |
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public abstract class BytecodeWideable extends Bytecode { |
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BytecodeWideable(Method method, int bci) { |
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super(method, bci); |
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} |
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public boolean isWide() { |
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int prevBci = bci() - 1; |
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return (prevBci > -1 && method.getBytecodeOrBPAt(prevBci) == Bytecodes._wide); |
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} |
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// the local variable index |
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public int getLocalVarIndex() { |
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return (isWide()) ? getIndexU2(code(), true) : getIndexU1(); |
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} |
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} |