import edu.umd.cs.findbugs.bcel.OpcodeStackDetector; //导入依赖的package包/类
public int resetForMethodEntry(final DismantleBytecode visitor) {
    this.v = visitor;
    initialize();

    int result = resetForMethodEntry0(v);
    Code code = v.getMethod().getCode();
    if (code == null)
        return result;

    if (useIterativeAnalysis) {
        JumpInfo jump = null;
        if (visitor instanceof OpcodeStackDetector.WithCustomJumpInfo) {
            jump = ((OpcodeStackDetector.WithCustomJumpInfo) visitor).customJumpInfo();
        } else if ((visitor instanceof OpcodeStackDetector) && !((OpcodeStackDetector)visitor).isUsingCustomUserValue()) {
            jump = getJumpInfo();
        }
        if (jump != null) {
            learnFrom(jump);
        }

    }

    return result;

}
 

import edu.umd.cs.findbugs.bcel.OpcodeStackDetector; //导入依赖的package包/类
/**
 * Factory method to create a MethodAnnotation from a method called by the
 * instruction the given visitor is currently visiting.
 *
 * @param visitor
 *            the visitor
 * @return the MethodAnnotation representing the called method
 */
public static MethodAnnotation fromCalledMethod(DismantleBytecode visitor) {
    String className = visitor.getDottedClassConstantOperand();
    String methodName = visitor.getNameConstantOperand();
    String methodSig = visitor.getSigConstantOperand();

    if (visitor instanceof OpcodeStackDetector && visitor.getOpcode() != Constants.INVOKESTATIC) {
        int params = PreorderVisitor.getNumberArguments(methodSig);
        OpcodeStackDetector oVisitor = (OpcodeStackDetector) visitor;
        if (!oVisitor.getStack().isTop() && oVisitor.getStack().getStackDepth() > params) {
            OpcodeStack.Item item = oVisitor.getStack().getStackItem(params);
            String cName = ClassName.fromFieldSignature(item.getSignature());
            if (cName != null)
                className = cName;

        }

    }

    return fromCalledMethod(className, methodName, methodSig, visitor.getOpcode() == Constants.INVOKESTATIC);
}
 

import edu.umd.cs.findbugs.bcel.OpcodeStackDetector; //导入依赖的package包/类
public int resetForMethodEntry(final DismantleBytecode visitor) {
    this.v = visitor;
    initialize();

    int result = resetForMethodEntry0(v);
    Code code = v.getMethod().getCode();
    if (code == null)
        return result;
    JumpInfo jump = null;
    if (useIterativeAnalysis) {
        if (visitor instanceof OpcodeStackDetector.WithCustomJumpInfo) {
            jump = ((OpcodeStackDetector.WithCustomJumpInfo) visitor).customJumpInfo();
        } else if ((visitor instanceof OpcodeStackDetector) && !((OpcodeStackDetector)visitor).isUsingCustomUserValue()) {
            jump = getJumpInfo();
        } else {
            jump = getJumpInfoFromStackMap();
        }
    } else {
        jump = getJumpInfoFromStackMap();
    }
    learnFrom(jump);
    return result;

}
 

import edu.umd.cs.findbugs.bcel.OpcodeStackDetector; //导入依赖的package包/类
public boolean matches(OpcodeStackDetector opcodeStackDetector) {
    if(classesNames.size() != 0 && !classesNames.contains(opcodeStackDetector.getClassConstantOperand().replace('/','.'))) {
        return false;
    }
    if(methodNames.size() != 0 && !methodNames.contains(opcodeStackDetector.getNameConstantOperand())) {
        return false;
    }
    if(argSignatures.size() != 0 && !argSignatures.contains(opcodeStackDetector.getSigConstantOperand())) {
        return false;
    }
    return true;
}