Mercurial > hg > graal-compiler
diff visualizer/Filter/src/com/sun/hotspot/igv/filter/RemoveFilter.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/RemoveFilter.java Tue Feb 07 22:41:09 2012 +0100 @@ -0,0 +1,104 @@ +/* + * 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.Diagram; +import com.sun.hotspot.igv.graph.Figure; +import com.sun.hotspot.igv.graph.Selector; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +/** + * + * @author Thomas Wuerthinger + */ +public class RemoveFilter extends AbstractFilter { + + private List<RemoveRule> rules; + private String name; + + public RemoveFilter(String name) { + this.name = name; + rules = new ArrayList<>(); + } + + @Override + public String getName() { + return name; + } + + @Override + public void apply(Diagram diagram) { + for (RemoveRule r : rules) { + List<Figure> selected = r.getSelector().selected(diagram); + Set<Figure> toRemove = new HashSet<>(selected); + + if (r.getRemoveOrphans()) { + boolean changed; + do { + changed = false; + for (Figure f : diagram.getFigures()) { + if (!toRemove.contains(f)) { + if (toRemove.containsAll(f.getPredecessors()) && toRemove.containsAll(f.getSuccessors())) { + toRemove.add(f); + changed = true; + } + } + } + } while (changed); + } + + diagram.removeAllFigures(toRemove); + } + } + + public void addRule(RemoveRule rule) { + rules.add(rule); + } + + public static class RemoveRule { + + private Selector selector; + private boolean removeOrphans; + + public RemoveRule(Selector selector) { + this(selector, false); + } + + public RemoveRule(Selector selector, boolean removeOrphans) { + this.selector = selector; + this.removeOrphans = removeOrphans; + } + + public Selector getSelector() { + return selector; + } + + public boolean getRemoveOrphans() { + return removeOrphans; + } + } +}