62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/*
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Copyright (c) 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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Authors: Leonardo de Moura, Gabriel Ebner, Sebastian Ullrich
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*/
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#pragma once
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#include <string>
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#include <iostream>
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#include <utility>
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#include <vector>
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#include <lean/serializer.h>
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#include <lean/optional.h>
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#include "library/io_state.h"
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#include "kernel/environment.h"
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namespace lean {
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using module_name = name;
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/** \brief Return an environment where all modules in \c modules are imported.
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Modules included directly or indirectly by them are also imported.
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This procedure looks for imported files in the search path set using `set_search_path`. */
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environment import_modules(unsigned trust_lvl, options const &, object_ref const & imports);
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/** \brief Store module using \c env. */
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void write_module(environment const & env, std::string const & olean_fn);
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struct modification {
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public:
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virtual ~modification() {}
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virtual const char * get_key() const = 0;
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virtual void perform(environment &) const = 0;
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virtual void serialize(serializer &) const = 0;
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};
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#define LEAN_MODIFICATION(k) \
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static void init() { \
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register_module_object_reader(k, module_modification_reader(deserialize)); \
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} \
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static void finalize() {} \
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const char * get_key() const override { return k; }
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using module_modification_reader = std::function<modification*(deserializer &)>;
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/** \brief Register a module object reader. The key \c k is used to identify the class of objects
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that can be read by the given reader.
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*/
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void register_module_object_reader(std::string const & k, module_modification_reader && r);
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namespace module {
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/** \brief Add a function that should be invoked when the environment is exported.
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The key \c k identifies which module_object_reader should be used to deserialize the object
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when the module is imported.
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\see module_object_reader
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*/
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environment add(environment const & env, modification * modif);
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environment add_and_perform(environment const & env, modification * modif);
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}
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void initialize_module();
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void finalize_module();
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}
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