lean4-htt/src/library/protected.cpp
2019-08-16 20:15:30 -07:00

33 lines
1,014 B
C++

/*
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 <utility>
#include <string>
#include "util/name_set.h"
#include "library/protected.h"
#include "library/module.h"
namespace lean {
extern "C" object * lean_add_protected(object * env, object * n);
extern "C" uint8 lean_is_protected(object * env, object * n);
environment add_protected(environment const & env, name const & n) {
return environment(lean_add_protected(env.to_obj_arg(), n.to_obj_arg()));
}
bool is_protected(environment const & env, name const & n) {
return lean_is_protected(env.to_obj_arg(), n.to_obj_arg());
}
name get_protected_shortest_name(name const & n) {
if (n.is_atomic() || n.get_prefix().is_atomic()) {
return n;
} else {
name new_prefix = n.get_prefix().replace_prefix(n.get_prefix().get_prefix(), name());
return n.replace_prefix(n.get_prefix(), new_prefix);
}
}
}