/*
 * Copyright (c) 2014, 2018 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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.tdk.jcov.report.ancfilters;

import com.sun.tdk.jcov.instrument.*;
import com.sun.tdk.jcov.report.AncFilter;

/**
 * @author Alexey Fedorchenko
 */
public class ThrowANCFilter implements AncFilter {

    @Override
    public boolean accept(DataClass clz) {
        return false;
    }

    @Override
    public boolean accept(DataClass clz, DataMethod m) {
        return false;
    }

    @Override
    public boolean accept(DataMethod m, DataBlock b) {

        if (m instanceof DataMethodWithBlocks){
            for (BasicBlock bb : ((DataMethodWithBlocks) m).getBasicBlocks()){
                if (bb.startBCI() == b.startBCI() && bb.endBCI() == b.endBCI()
                        && bb.exit != null && bb.exit instanceof DataExitSimple
                        && ((DataExitSimple) bb.exit).opcodeName().equals("athrow")){
                    return true;
                }
            }
        }

        return false;
    }

    @Override
    public String getAncReason() {
        return "Throw block filter";
    }
}
