2014-07-06 01:58:20 +00:00
|
|
|
/*
|
|
|
|
Copyright (c) 2014 Microsoft Corporation. All rights reserved.
|
|
|
|
Released under Apache 2.0 license as described in the file LICENSE.
|
|
|
|
|
|
|
|
Author: Leonardo de Moura
|
|
|
|
*/
|
|
|
|
#include "util/sstream.h"
|
|
|
|
#include "kernel/environment.h"
|
|
|
|
#include "kernel/type_checker.h"
|
|
|
|
|
|
|
|
namespace lean {
|
|
|
|
struct opaque_hints_ext : public environment_extension {
|
|
|
|
name_set m_extra_opaque;
|
|
|
|
bool m_hide_module;
|
|
|
|
opaque_hints_ext():m_hide_module(false) {}
|
|
|
|
};
|
|
|
|
|
|
|
|
struct opaque_hints_ext_reg {
|
|
|
|
unsigned m_ext_id;
|
|
|
|
opaque_hints_ext_reg() { m_ext_id = environment::register_extension(std::make_shared<opaque_hints_ext>()); }
|
|
|
|
};
|
|
|
|
static opaque_hints_ext_reg g_ext;
|
|
|
|
static opaque_hints_ext const & get_extension(environment const & env) {
|
|
|
|
return static_cast<opaque_hints_ext const &>(env.get_extension(g_ext.m_ext_id));
|
|
|
|
}
|
|
|
|
static environment update(environment const & env, opaque_hints_ext const & ext) {
|
|
|
|
return env.update(g_ext.m_ext_id, std::make_shared<opaque_hints_ext>(ext));
|
|
|
|
}
|
|
|
|
static void check_definition(environment const & env, name const & n) {
|
|
|
|
declaration d = env.get(n);
|
|
|
|
if (!d.is_definition())
|
|
|
|
throw exception(sstream() << "invalid opaque_hint, '" << n << "' is not a definition");
|
|
|
|
}
|
|
|
|
environment hide_definition(environment const & env, name const & n) {
|
|
|
|
check_definition(env, n);
|
|
|
|
auto ext = get_extension(env);
|
|
|
|
ext.m_extra_opaque.insert(n);
|
|
|
|
return update(env, ext);
|
|
|
|
}
|
|
|
|
environment expose_definition(environment const & env, name const & n) {
|
|
|
|
check_definition(env, n);
|
|
|
|
auto ext = get_extension(env);
|
|
|
|
if (!ext.m_extra_opaque.contains(n))
|
|
|
|
throw exception(sstream() << "invalid 'exposing' opaque_hint, '" << n << "' is not in the 'extra opaque' set");
|
|
|
|
ext.m_extra_opaque.erase(n);
|
|
|
|
return update(env, ext);
|
|
|
|
}
|
2014-07-27 19:01:06 +00:00
|
|
|
environment set_hide_main_opaque(environment const & env, bool f) {
|
2014-07-06 01:58:20 +00:00
|
|
|
auto ext = get_extension(env);
|
|
|
|
ext.m_hide_module = f;
|
|
|
|
return update(env, ext);
|
|
|
|
}
|
2014-07-27 19:01:06 +00:00
|
|
|
bool get_hide_main_opaque(environment const & env) {
|
|
|
|
return get_extension(env).m_hide_module;
|
|
|
|
}
|
|
|
|
std::unique_ptr<type_checker> mk_type_checker_with_hints(environment const & env, name_generator const & ngen, bool relax_main_opaque) {
|
2014-07-06 01:58:20 +00:00
|
|
|
auto const & ext = get_extension(env);
|
2014-07-27 19:01:06 +00:00
|
|
|
return std::unique_ptr<type_checker>(new type_checker(env, ngen, mk_default_converter(env, !ext.m_hide_module && relax_main_opaque,
|
2014-07-06 01:58:20 +00:00
|
|
|
true, ext.m_extra_opaque)));
|
|
|
|
}
|
|
|
|
}
|