lineno

static VALUE
ripper_lineno(VALUE self)
{
    struct parser_params *parser;

    TypedData_Get_Struct(self, struct parser_params, &parser_data_type, parser);
    if (!ripper_initialized_p(parser)) {
        rb_raise(rb_eArgError, "method called for uninitialized object");
    }
    if (NIL_P(parser->parsing_thread)) return Qnil;
    return INT2NUM(ruby_sourceline);
}