Function try_builtin_func

common/jinja/runtime.cpp:296–312

}

static value try_builtin_func(context & ctx, const std::string & name, value & input, bool undef_on_missing = false) {
    JJ_DEBUG("Trying built-in function '%s' for type %s", name.c_str(), input->type().c_str());
    if (ctx.is_get_stats) {
        value_t::stats_t::mark_used(input);
        input->stats.ops.insert(name);
    }
    auto builtins = input->get_builtins();
    auto it = builtins.find(name);
    if (it != builtins.end()) {
        JJ_DEBUG("Binding built-in '%s'", name.c_str());
        return mk_val<value_func>(name, it->second, input);
    }
    if (undef_on_missing) {
        return mk_val<value_undefined>(name);
    }
    throw std::runtime_error("Unknown (built-in) filter '" + name + "' for type " + input->type());
}

value filter_expression::execute_impl(context & ctx) {
    value input = operand ? operand->execute(ctx) : val;