34 lines
1.3 KiB
C
34 lines
1.3 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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#include "kernel/environment.h"
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namespace lean {
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/*
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Opaque hints are used to 'help/guide' the elaborator and unifier.
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We can use them to mark additional definitions as opaque.
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Note that we are not changing the status of the definitions, we are
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only changing how the elaborator/unifier treats them.
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These hints are not used when we type check a definition before
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adding it to the kernel.
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*/
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/** \brief Mark the definition named \c n as opaque for the elaborator/unifier. */
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environment hide_definition(environment const & env, name const & n);
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/** \brief Undo the modification made with \c hide_definition. */
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environment expose_definition(environment const & env, name const & n);
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/**
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\brief By default, the elaborator/unifier will treat the opaque
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definitions of the current/main module as transparent. We can
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change this behavior using this function.
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*/
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environment set_main_module_opaque_defs(environment const & env, bool f);
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/** \brief Create a type checker that takes the hints into account. */
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std::unique_ptr<type_checker> mk_type_checker_with_hints(environment const & env, name_generator const & ngen);
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}
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