46 lines
1.8 KiB
C++
46 lines
1.8 KiB
C++
/*
|
|
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
|
|
Released under Apache 2.0 license as described in the file LICENSE.
|
|
|
|
Author: Leonardo de Moura
|
|
*/
|
|
#pragma once
|
|
#include "util/output_channel.h"
|
|
#include "util/sexpr/options.h"
|
|
#include "kernel/expr.h"
|
|
|
|
namespace lean {
|
|
/**
|
|
\brief State provided to internal lean procedures that need to:
|
|
1- Access user defined options
|
|
2- Produce verbosity messages
|
|
3- Output results
|
|
4- Produce formatted output
|
|
*/
|
|
class io_state {
|
|
options m_options;
|
|
formatter_factory m_formatter_factory;
|
|
std::shared_ptr<output_channel> m_regular_channel;
|
|
std::shared_ptr<output_channel> m_diagnostic_channel;
|
|
public:
|
|
io_state(formatter_factory const & fmtf);
|
|
io_state(options const & opts, formatter_factory const & fmtf);
|
|
io_state(io_state const & ios, std::shared_ptr<output_channel> const & r, std::shared_ptr<output_channel> const d);
|
|
~io_state();
|
|
|
|
options get_options() const { return m_options; }
|
|
formatter_factory const & get_formatter_factory() const { return m_formatter_factory; }
|
|
output_channel & get_regular_channel() const { return *m_regular_channel; }
|
|
output_channel & get_diagnostic_channel() const { return *m_diagnostic_channel; }
|
|
|
|
void set_regular_channel(std::shared_ptr<output_channel> const & out);
|
|
void set_diagnostic_channel(std::shared_ptr<output_channel> const & out);
|
|
void set_options(options const & opts);
|
|
void set_formatter_factory(formatter_factory const & f);
|
|
template<typename T> void set_option(name const & n, T const & v) {
|
|
set_options(get_options().update(n, v));
|
|
}
|
|
};
|
|
/** \brief Return a dummy io_state that is meant to be used in contexts that require an io_state, but it is not really used */
|
|
io_state const & get_dummy_ios();
|
|
}
|