Пример #1
0
  private IRubyObject prepareRaiseException(Ruby runtime, IRubyObject[] args, Block block) {
    if (args.length == 0) {
      IRubyObject lastException = errorInfo;
      if (lastException.isNil()) {
        return new RaiseException(runtime, runtime.getRuntimeError(), "", false).getException();
      }
      return lastException;
    }

    IRubyObject exception;
    ThreadContext context = getRuntime().getCurrentContext();

    if (args.length == 1) {
      if (args[0] instanceof RubyString) {
        return runtime.getRuntimeError().newInstance(context, args, block);
      }

      if (!args[0].respondsTo("exception")) {
        return runtime.newTypeError("exception class/object expected").getException();
      }
      exception = args[0].callMethod(context, "exception");
    } else {
      if (!args[0].respondsTo("exception")) {
        return runtime.newTypeError("exception class/object expected").getException();
      }

      exception = args[0].callMethod(context, "exception", args[1]);
    }

    if (!runtime.getException().isInstance(exception)) {
      return runtime.newTypeError("exception object expected").getException();
    }

    if (args.length == 3) {
      ((RubyException) exception).set_backtrace(args[2]);
    }

    return exception;
  }