109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
/*
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Copyright (c) 2013-2014 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#pragma once
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#include <utility>
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#include <memory>
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#include <vector>
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#include "runtime/optional.h"
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#include "util/rc.h"
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#include "util/list.h"
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#include "util/rb_map.h"
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#include "util/name_set.h"
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#include "util/name_map.h"
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#include "kernel/expr.h"
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#include "kernel/declaration.h"
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#ifndef LEAN_BELIEVER_TRUST_LEVEL
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/* If an environment E is created with a trust level > LEAN_BELIEVER_TRUST_LEVEL, then
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we can add declarations to E without type checking them. */
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#define LEAN_BELIEVER_TRUST_LEVEL 1024
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#endif
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namespace lean {
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class environment_extension {
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public:
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virtual ~environment_extension() {}
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};
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class environment : public object_ref {
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friend class add_inductive_fn;
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void check_name(name const & n) const;
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void check_duplicated_univ_params(names ls) const;
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void add_core(constant_info const & info);
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void mark_quot_initialized();
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environment add(constant_info const & info) const;
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environment add_axiom(declaration const & d, bool check) const;
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environment add_definition(declaration const & d, bool check) const;
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environment add_theorem(declaration const & d, bool check) const;
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environment add_opaque(declaration const & d, bool check) const;
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environment add_mutual(declaration const & d, bool check) const;
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environment add_quot() const;
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environment add_inductive(declaration const & d) const;
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public:
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environment(unsigned trust_lvl = 0);
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environment(environment const & other):object_ref(other) {}
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environment(environment && other):object_ref(other) {}
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explicit environment(b_obj_arg o, bool b):object_ref(o, b) {}
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explicit environment(obj_arg o):object_ref(o) {}
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~environment() {}
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environment & operator=(environment const & other) { object_ref::operator=(other); return *this; }
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environment & operator=(environment && other) { object_ref::operator=(other); return *this; }
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/** \brief Return the trust level of this environment. */
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unsigned trust_lvl() const;
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bool is_quot_initialized() const;
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void set_main_module(name const & n);
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name get_main_module() const;
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/** \brief Return information for the constant with name \c n (if it is defined in this environment). */
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optional<constant_info> find(name const & n) const;
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/** \brief Return information for the constant with name \c n. Throws and exception if constant declaration does not exist in this environment. */
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constant_info get(name const & n) const;
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/** \brief Extends the current environment with the given declaration */
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environment add(declaration const & d, bool check = true) const;
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/** \brief Register an environment extension. Every environment
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object may contain this extension. The argument \c initial is
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the initial value for the new extensions. The extension object
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can be retrieved using the given token (unsigned integer) returned
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by this method.
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\remark The extension objects are created on demand.
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\see get_extension */
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static unsigned register_extension(environment_extension * initial);
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/** \brief Return the extension with the given id. */
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environment_extension const & get_extension(unsigned extid) const;
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/** \brief Update the environment extension with the given id. */
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environment update(unsigned extid, environment_extension * ext) const;
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/** \brief Apply the function \c f to each constant */
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void for_each_constant(std::function<void(constant_info const & d)> const & f) const;
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/** \brief Pointer equality */
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friend bool is_eqp(environment const & e1, environment const & e2) {
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return e1.raw() == e2.raw();
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}
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void display_stats() const;
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};
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void check_no_metavar_no_fvar(environment const & env, name const & n, expr const & e);
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void initialize_environment();
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void finalize_environment();
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}
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