edu.umd.cs.findbugs.classfile.engine.bcel.UnpackedBytecodeCallback Maven / Gradle / Ivy

/*
 * FindBugs - Find Bugs in Java programs
 * Copyright (C) 2003-2007 University of Maryland
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.findbugs.classfile.engine.bcel;

import edu.umd.cs.findbugs.ba.BytecodeScanner;
import edu.umd.cs.findbugs.ba.MethodBytecodeSet;

public class UnpackedBytecodeCallback implements BytecodeScanner.Callback {
    private final MethodBytecodeSet bytecodeSet;

    private final short[] offsetToOpcodeMap;

    public UnpackedBytecodeCallback(int codeSize) {
        this.bytecodeSet = new MethodBytecodeSet();
        this.offsetToOpcodeMap = new short[codeSize];
    }

    /*
     * (non-Javadoc)
     *
     * @see
     * edu.umd.cs.findbugs.ba.BytecodeScanner.Callback#handleInstruction(int,
     * int)
     */
    @Override
    public void handleInstruction(int opcode, int index) {
        bytecodeSet.set(opcode);
        offsetToOpcodeMap[index] = (short) opcode;
    }

    public UnpackedCode getUnpackedCode() {
        return new UnpackedCode(bytecodeSet, offsetToOpcodeMap);
    }
}