Example usage for org.aspectj.apache.bcel.generic InstructionList iterator

Introduction

In this page you can find the example usage for org.aspectj.apache.bcel.generic InstructionList iterator.

Prototype

public Iterator iterator() 

Source Link

Usage

From source file:br.jabuti.metrics.klass.MetricAMZNMS.java

License:Open Source License

@Override
public double getResult(Program prog, String className) {
    double theValue = 0.0;
    RClass rc = prog.get(className);//w  ww  .  j ava2 s .  c  o  m
    if (!(rc instanceof RClassCode)) {
        return -1.0;
    }
    int cont = 0;
    RClassCode rcc = (RClassCode) rc;
    JavaClass theClazz = rcc.getTheClass();
    ConstantPoolGen cp = new ConstantPoolGen(theClazz.getConstantPool());
    Method[] methods = theClazz.getMethods();
    for (int i = 0; i < methods.length; i++) {
        if (methods[i].isAbstract()) {
            continue;
        }
        MethodGen mg = new MethodGen(methods[i], theClazz.getClassName(), cp);
        InstructionList instructions = mg.getInstructionList();
        Iterator<Instruction> instructionsIterator = instructions.iterator();
        while (instructionsIterator.hasNext()) {
            Instruction instruction = instructionsIterator.next();
            if (instruction instanceof InvokeInstruction) {
                theValue++;
            }
        }
        cont++;
    }
    if (cont == 0) {
        return -1.0;
    }
    return theValue / cont;
}

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