Пример #1
0
/* Store parameter info for fn in \c pinfos and return the dependencies of the resulting type
   (if compute_resulting_deps == true). */
static list<unsigned> get_core(type_context & ctx,
                               expr const & fn, buffer<param_info> & pinfos,
                               unsigned max_args, bool compute_resulting_deps) {
    expr type = ctx.relaxed_try_to_pi(ctx.infer(fn));
    type_context::tmp_locals locals(ctx);
    unsigned i = 0;
    while (is_pi(type)) {
        if (i == max_args)
            break;
        expr local      = locals.push_local_from_binding(type);
        expr local_type = ctx.infer(local);
        expr new_type   = ctx.relaxed_try_to_pi(instantiate(binding_body(type), local));
        bool is_prop    = ctx.is_prop(local_type);
        bool is_dep     = !closed(binding_body(type));
        pinfos.emplace_back(binding_info(type).is_implicit(),
                            binding_info(type).is_inst_implicit(),
                            is_prop, is_dep, collect_deps(local_type, locals.as_buffer()));
        type = new_type;
        i++;
    }
    if (compute_resulting_deps)
        return collect_deps(type, locals.as_buffer());
    else
        return list<unsigned>();
}
Пример #2
0
/* Store parameter info for fn in \c pinfos and return the dependencies of the resulting type
   (if compute_resulting_deps == true). */
list<unsigned> fun_info_manager::get_core(expr const & fn, buffer<param_info> & pinfos,
                                          unsigned max_args, bool compute_resulting_deps) {
    expr type = m_ctx.relaxed_try_to_pi(m_ctx.infer(fn));
    buffer<expr> locals;
    unsigned i = 0;
    while (is_pi(type)) {
        if (i == max_args)
            break;
        expr local      = m_ctx.mk_tmp_local_from_binding(type);
        expr local_type = m_ctx.infer(local);
        expr new_type   = m_ctx.relaxed_try_to_pi(instantiate(binding_body(type), local));
        bool spec       = false;
        bool is_prop    = m_ctx.is_prop(local_type);
        bool is_sub     = is_prop;
        bool is_dep     = !closed(binding_body(type));
        if (!is_sub) {
            // TODO(Leo): check if the following line is a performance bottleneck.
            is_sub = static_cast<bool>(m_ctx.mk_subsingleton_instance(local_type));
        }
        pinfos.emplace_back(spec,
                            binding_info(type).is_implicit(),
                            binding_info(type).is_inst_implicit(),
                            is_prop, is_sub, is_dep, collect_deps(local_type, locals));
        locals.push_back(local);
        type = new_type;
        i++;
    }
    if (compute_resulting_deps)
        return collect_deps(type, locals);
    else
        return list<unsigned>();
}
Пример #3
0
    /* If type of d is a proposition or return a type, we don't need to compile it.
       We can just generate (fun args, neutral_expr)

       This procedure returns true if type of d is a proposition or return a type,
       and store the dummy code above in */
    bool compile_irrelevant(declaration const & d, buffer<procedure> & procs) {
        type_context ctx(m_env, transparency_mode::All);
        expr type = d.get_type();
        type_context::tmp_locals locals(ctx);
        while (true) {
            type = ctx.relaxed_whnf(type);
            if (!is_pi(type))
                break;
            expr local = locals.push_local_from_binding(type);
            type       = instantiate(binding_body(type), local);
        }
        if (ctx.is_prop(type) || is_sort(type)) {
            expr r = locals.mk_lambda(mk_neutral_expr());
            procs.emplace_back(d.get_name(), optional<pos_info>(), r);
            return true;
        } else {
            return false;
        }
    }
Пример #4
0
/* Store subsingleton parameter info for fn in \c ssinfos */
static void get_ss_core(type_context & ctx, expr const & fn, buffer<ss_param_info> & ssinfos,
                        unsigned max_args) {
    expr type = ctx.relaxed_try_to_pi(ctx.infer(fn));
    type_context::tmp_locals locals(ctx);
    unsigned i = 0;
    while (is_pi(type)) {
        if (i == max_args)
            break;
        expr local      = locals.push_local_from_binding(type);
        expr local_type = ctx.infer(local);
        expr new_type   = ctx.relaxed_try_to_pi(instantiate(binding_body(type), local));
        bool spec       = false;
        bool is_prop    = ctx.is_prop(local_type);
        bool is_sub     = is_prop;
        if (!is_sub) {
            // TODO(Leo): check if the following line is a performance bottleneck.
            is_sub = static_cast<bool>(ctx.mk_subsingleton_instance(local_type));
        }
        ssinfos.emplace_back(spec, is_sub);
        type = new_type;
        i++;
    }
}