34 lines
1.5 KiB
C++
34 lines
1.5 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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Author: Leonardo de Moura
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*/
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#pragma once
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#include <functional>
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#include "library/old_type_checker.h"
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namespace lean {
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/** \brief Return the \c e normal form with respect to the environment \c env.
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Any unification constraint generated in the process is discarded.
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\remark Unification constraints are only generated if \c e contains meta-variables.
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*/
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expr normalize(environment const & env, expr const & e, bool eta = false);
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expr normalize(environment const & env, level_param_names const & ls, expr const & e, bool eta = false);
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/** \brief Similar to <tt>expr normalize(environment const & env, expr const & e)</tt>, but
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uses the converter associated with \c tc. */
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expr normalize(old_type_checker & tc, expr const & e, bool eta = false);
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expr normalize(old_type_checker & tc, level_param_names const & ls, expr const & e, bool eta = false, bool eval_nested_prop = true);
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/** \brief Return the \c e normal form with respect to \c tc, and store generated constraints
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into \c cs.
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*/
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expr normalize(old_type_checker & tc, expr const & e, constraint_seq & cs, bool eta = false);
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/** \brief Return the \c e normal form with respect to \c tc, and store generated constraints
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into \c cs.
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\remark A sub-expression is evaluated only if \c pred returns true.
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*/
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expr normalize(old_type_checker & tc, expr const & e, std::function<bool(expr const&)> const & pred, // NOLINT
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constraint_seq & cs, bool eta = false);
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}
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