Esempio n. 1
0
 private static int checkSingleArgument(
     String subroutineName,
     Class expectedType,
     ArgumentsList arguments,
     List<LispObject> args,
     int argsCounter,
     int i) {
   try {
     if (!(expectedType.isInstance(args.get(argsCounter)))) {
       if (expectedType.equals(LispList.class)
           && args.get(argsCounter).equals(LispSymbol.ourNil)) {
         arguments.setValue(i, LispList.list());
         return argsCounter + 1;
       }
       if (expectedType.equals(LispSymbol.class)
           && args.get(argsCounter).equals(LispSymbol.ourNil)) {
         arguments.setValue(i, LispSymbol.ourNil);
         return argsCounter + 1;
       }
       if (arguments.isOptional(i)) return -1;
       throw new WrongTypeArgumentException(expectedType.getSimpleName(), args.get(argsCounter));
     }
     arguments.setValue(i, args.get(argsCounter));
     return argsCounter + 1;
   } catch (IndexOutOfBoundsException e) {
     if (arguments.isOptional(i)) return -1;
     throw new WrongNumberOfArgumentsException(subroutineName, i);
   }
 }
Esempio n. 2
0
 private static int checkParameterizedType(
     String subroutineName,
     ParameterizedType expectedType,
     ArgumentsList arguments,
     List<LispObject> args,
     int argsCounter,
     int i) {
   Type rawType = expectedType.getRawType();
   Type expectedTypeArguments = expectedType.getActualTypeArguments()[0];
   try {
     if (((Class) rawType).isInstance(args.get(argsCounter))) {
       Type actualTypeArguments =
           ((ParameterizedType) (Type) args.get(argsCounter).getClass())
               .getActualTypeArguments()[0];
       if (!expectedTypeArguments.equals(actualTypeArguments)) {
         throw new WrongTypeArgumentException(
             ((Class) rawType).getSimpleName()
                 + "<"
                 + ((Class) expectedTypeArguments).getSimpleName()
                 + ">",
             args.get(argsCounter));
       }
       arguments.setValue(i, args.get(argsCounter));
       return argsCounter + 1;
     } else {
       if (arguments.isOptional(i)) return -1;
       throw new WrongTypeArgumentException(expectedType.toString(), args.get(argsCounter));
     }
   } catch (IndexOutOfBoundsException e) {
     if (arguments.isOptional(i)) return -1;
     throw new WrongNumberOfArgumentsException(subroutineName, i);
   }
 }
Esempio n. 3
0
 private static int checkArray(
     Class expectedType, ArgumentsList arguments, List<LispObject> args, int argsCounter, int i) {
   Class componentType = expectedType.getComponentType();
   ArrayList<LispObject> array = new ArrayList<>();
   while (argsCounter != args.size()) {
     if (!componentType.isInstance(args.get(argsCounter)))
       throw new WrongTypeArgumentException(componentType.toString(), args.get(argsCounter));
     array.add(args.get(argsCounter));
     ++argsCounter;
   }
   arguments.setValue(i, customizeArrayList(componentType, array));
   return argsCounter;
 }
Esempio n. 4
0
  private static ArgumentsList parseArguments(
      Method m, Environment environment, List<LispObject> args) {
    Type[] parametersTypes = m.getGenericParameterTypes();
    Annotation[][] parametersAnnotations = m.getParameterAnnotations();
    if (parametersAnnotations.length != parametersTypes.length) {
      throw new InternalException(JelispBundle.message("subroutine.args.properties.mismatch"));
    }
    ArgumentsList arguments = new ArgumentsList();
    setOptional(arguments, parametersAnnotations, parametersTypes);

    int nActual = args.size();
    if (parametersTypes.length != 0) {
      if (parametersTypes[0].equals(Environment.class)) {
        ++nActual;
        arguments.setValue(0, environment);
      }
    }

    if ((nActual < arguments.getRequiredSize())
        || (nActual > parametersTypes.length && !m.isVarArgs()))
      throw new WrongNumberOfArgumentsException(m.getAnnotation(Subroutine.class).value(), nActual);

    return arguments;
  }