38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
/*
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Copyright (c) 2013 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 <memory>
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#include "context.h"
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namespace lean {
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class environment;
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/**
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\brief API for formatting expressions, contexts and environments.
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*/
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class formatter {
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public:
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virtual ~formatter() {}
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/** \brief Format the given expression. */
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virtual format operator()(expr const & e) = 0;
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/** \brief Format the given context. */
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virtual format operator()(context const & c) = 0;
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/**
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\brief Format the given expression with respect to the given
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context.
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\remark If format_ctx == false, then the context is not formatted. It just provides names
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for the free variables
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*/
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virtual format operator()(context const & c, expr const & e, bool format_ctx = false) = 0;
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/** \brief Format the given environment */
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virtual format operator()(environment const & env) = 0;
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};
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/**
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\brief Return simple expression formatter that just uses printer module.
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*/
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std::shared_ptr<formatter> mk_simple_formatter();
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}
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