/*
* Copyright (c) 2009, 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
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*/
package com.oracle.max.graal.nodes;
import com.oracle.max.graal.graph.*;
import com.oracle.max.graal.nodes.type.*;
/**
* Base class of all nodes that are fixed within the control flow graph and have an immediate successor.
*/
public abstract class FixedWithNextNode extends FixedNode {
@Successor private FixedNode next; // the immediate successor of the current node
public FixedNode next() {
return next;
}
public void setNext(FixedNode x) {
updatePredecessors(next, x);
next = x;
}
public FixedWithNextNode(Stamp stamp) {
super(stamp);
}
public void replaceAndUnlink(Node other) {
FixedNode next = this.next();
setNext(null);
replaceAtPredecessors(next);
replaceAtUsages(other);
safeDelete();
}
public void replaceWithFixedWithNext(FixedWithNextNode other) {
FixedNode next = this.next();
setNext(null);
other.setNext(next);
replaceAndDelete(other);
}
}