Mercurial > hg > graal-compiler
diff visualizer/Filter/src/com/sun/hotspot/igv/filter/RemoveSelfLoopsFilter.java @ 4512:015fb895586b
Moved visualizer to new directory.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 07 Feb 2012 22:41:09 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/visualizer/Filter/src/com/sun/hotspot/igv/filter/RemoveSelfLoopsFilter.java Tue Feb 07 22:41:09 2012 +0100 @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2008, 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.sun.hotspot.igv.filter; + +import com.sun.hotspot.igv.graph.*; +import java.util.ArrayList; +import java.util.List; + +/** + * + * @author Thomas Wuerthinger + */ +public class RemoveSelfLoopsFilter extends AbstractFilter { + + private String name; + + /** Creates a new instance of RemoveSelfLoops */ + public RemoveSelfLoopsFilter(String name) { + this.name = name; + } + + @Override + public String getName() { + return name; + } + + @Override + public void apply(Diagram d) { + + for (Figure f : d.getFigures()) { + + for (InputSlot is : f.getInputSlots()) { + + List<Connection> toRemove = new ArrayList<>(); + for (Connection c : is.getConnections()) { + + if (c.getOutputSlot().getFigure() == f) { + toRemove.add(c); + } + } + + for (Connection c : toRemove) { + + c.remove(); + + OutputSlot os = c.getOutputSlot(); + if (os.getConnections().size() == 0) { + f.removeSlot(os); + } + + c.getInputSlot().setShortName("O"); + c.getInputSlot().setText("Self Loop"); + } + } + } + } +}