view graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/value/FrameStateAccess.java @ 3038:cebfa0b55183

Fix a bug where we would deopt to a non pendingException Framestate inside a exception handler + some FrameState methods cleanups
author Gilles Duboscq <gilles.duboscq@oracle.com>
date Mon, 20 Jun 2011 18:41:26 +0200
parents d90bf514d647
children 132aa6f2bbc0
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/*
 * Copyright (c) 2011, Oracle and/or its affiliates. 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.
 *
 * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.max.graal.compiler.value;

import com.oracle.max.graal.compiler.ir.*;

public interface FrameStateAccess {

    FrameState duplicate(int newBci);

    int localsSize();

    int stackSize();

    int locksSize();

    Value valueAt(int i);

    Value localAt(int i);

    Value lockAt(int i);

    Value stackAt(int i);

    void setValueAt(int j, Value v);

    Value outerFrameState();

    FrameState duplicateWithException(int bci, Value exceptionObject);

}