How to use

com.mebigfatguy.fbcontrib.detect.BloatedAssignmentScope$UserObject

constructor

/**
 * processes a static call or initializer by checking to see if the call is risky, and returning a OpcodeStack item user value saying so.
 *
 * @return the user object to place on the OpcodeStack
 */
@Nullable
private UserObject sawStaticCall() {
  if (getSigConstantOperand().endsWith(Values.SIG_VOID)) {
    return null;
  }
  return new UserObject(isRiskyMethodCall());
}

/**
 * processes a static call or initializer by checking to see if the call is risky, and returning a OpcodeStack item user value saying so.
 *
 * @return the user object to place on the OpcodeStack
 */
@Nullable
private UserObject sawStaticCall() {
  if (getSigConstantOperand().endsWith(Values.SIG_VOID)) {
    return null;
  }
  return new UserObject(isRiskyMethodCall());
}

@Nullable
private UserObject sawGetField() {
  if (stack.getStackDepth() > 0) {
    OpcodeStack.Item itm = stack.getStackItem(0);
    int reg = itm.getRegisterNumber();
    if (reg >= 0) {
      return new UserObject(reg);
    }
  }
  return null;
}

if (assoc == null) {
  if (srcItm.getRegisterNumber() >= 0) {
    assoc = new UserObject(srcItm.getRegisterNumber());

if (assoc == null) {
  if (srcItm.getRegisterNumber() >= 0) {
    assoc = new UserObject(srcItm.getRegisterNumber());

/**
 * processes a instance method call to see if that call is modifies state or is otherwise'risky', if so mark the variable(s) associated with the caller as
 * not reportable
 *
 * @param pc
 *            the current program counter
 *
 * @return a user object to place on the return value's OpcodeStack item
 */
@Nullable
private UserObject sawInstanceCall(int pc) {
  String signature = getSigConstantOperand();
  String name = getNameConstantOperand();
  // this is kind of a wart. there should be a more seamless way to check this
  if ("wasNull".equals(getNameConstantOperand()) && SignatureBuilder.SIG_VOID_TO_BOOLEAN.equals(signature)) {
    dontReport = true;
  }
  if (signature.endsWith(Values.SIG_VOID)) {
    return null;
  }
  MethodInfo mi = Statistics.getStatistics().getMethodStatistics(getClassConstantOperand(), name, signature);
  UserObject uo = new UserObject(getCallingObject(), mi.getModifiesState() || isRiskyMethodCall());
  if (uo.caller != null) {
    ScopeBlock sb = findScopeBlock(rootScopeBlock, pc);
    if (sb != null) {
      sb.removeByAssoc(uo.caller);
    }
  }
  return uo;
}

/**
 * processes a instance method call to see if that call is modifies state or is otherwise'risky', if so mark the variable(s) associated with the caller as
 * not reportable
 *
 * @param pc
 *            the current program counter
 *
 * @return a user object to place on the return value's OpcodeStack item
 */
@Nullable
private UserObject sawInstanceCall(int pc) {
  String signature = getSigConstantOperand();
  String name = getNameConstantOperand();
  // this is kind of a wart. there should be a more seamless way to check this
  if ("wasNull".equals(getNameConstantOperand()) && SignatureBuilder.SIG_VOID_TO_BOOLEAN.equals(signature)) {
    dontReport = true;
  }
  if (signature.endsWith(Values.SIG_VOID)) {
    return null;
  }
  MethodInfo mi = Statistics.getStatistics().getMethodStatistics(getClassConstantOperand(), name, signature);
  UserObject uo = new UserObject(getCallingObject(), mi.getModifiesState() || isRiskyMethodCall());
  if (uo.caller != null) {
    ScopeBlock sb = findScopeBlock(rootScopeBlock, pc);
    if (sb != null) {
      sb.removeByAssoc(uo.caller);
    }
  }
  return uo;
}

@Nullable
private UserObject sawGetField() {
  if (stack.getStackDepth() > 0) {
    OpcodeStack.Item itm = stack.getStackItem(0);
    int reg = itm.getRegisterNumber();
    if (reg >= 0) {
      return new UserObject(reg);
    }
  }
  return null;
}