lean2/src/library/print.h
2014-09-23 10:45:14 -07:00

34 lines
1.2 KiB
C++

/*
Copyright (c) 2014 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#pragma once
#include "kernel/formatter.h"
namespace lean {
/** \brief Return true iff \c t contains a constant named \c n or a local constant with named (pp or not) \c n */
bool is_used_name(expr const & t, name const & n);
name pick_unused_name(expr const & t, name const & s);
/**
\brief Return the body of the binding \c b, where variable #0 is replaced by a local constant with a "fresh" name.
The name is considered fresh if it is not used by a constant or local constant occuring in the body of \c b.
The fresh constant is also returned (second return value).
\remark If preserve_type is false, then the local constant will not use binding_domain.
*/
pair<expr, expr> binding_body_fresh(expr const & b, bool preserve_type = false);
/** \brief Create a simple formatter object based on operator for "print" procedure.
\remark The print procedure is only used for debugging purposes.
*/
formatter_factory mk_print_formatter_factory();
/** \brief Use simple formatter as the default print function */
void init_default_print_fn();
void initialize_print();
void finalize_print();
}