Method eval

src/instruction.cpp:369–387

}

argument instruction::eval(bool check_eval) const
{
    if(op.name() == "@literal")
    {
        return this->get_literal().get_argument();
    }
    if(is_context_free(op))
    {
        if(check_eval and not this->can_eval())
            return {};
        std::vector<argument> args;
        std::transform(this->inputs().begin(),
                       this->inputs().end(),
                       std::back_inserter(args),
                       [](auto arg) { return arg->eval(false); });
        return normalized_operator().compute(result, args);
    }
    return {};
}

void instruction::finalize(context& ctx)
{