/* 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>();
}
/* 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>();
}
/* 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;
}
}
/* 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++;
}
}
