33 lines
1.5 KiB
C
33 lines
1.5 KiB
C
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/*
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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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Author: Leonardo de Moura
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*/
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#pragma once
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namespace lean {
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/** \brief Add a new 'class' to the environment (if it is not already declared) */
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environment add_class(environment const & env, name const & n, bool persistent = true);
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/** \brief Add a new 'class instance' to the environment with default priority. */
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environment add_instance(environment const & env, name const & n, bool persistent = true);
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/** \brief Add a new 'class instance' to the environment. */
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environment add_instance(environment const & env, name const & n, unsigned priority, bool persistent);
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/** \brief Return true iff \c c was declared with \c add_class . */
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bool is_class(environment const & env, name const & c);
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/** \brief Return the instances of the given class. */
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list<name> get_class_instances(environment const & env, name const & c);
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/** \brief Return the classes in the given environment. */
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void get_classes(environment const & env, buffer<name> & classes);
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name get_class_name(environment const & env, expr const & e);
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/** \brief Return true iff \c type is a class or Pi that produces a class. */
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optional<name> is_ext_class(type_checker & tc, expr const & type);
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/** \brief Return a list of instances of the class \c cls_name that occur in \c ctx */
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list<expr> get_local_instances(type_checker & tc, list<expr> const & ctx, name const & cls_name);
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void initialize_class();
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void finalize_class();
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}
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