/* 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/formatter.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 m_formatter; std::shared_ptr m_regular_channel; std::shared_ptr m_diagnostic_channel; public: io_state(formatter const & fmt); io_state(options const & opts, formatter const & fmt); io_state(io_state const & ios, std::shared_ptr const & r, std::shared_ptr const d); ~io_state(); options get_options() const { return m_options; } formatter get_formatter() const { return m_formatter; } 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 const & out); void set_diagnostic_channel(std::shared_ptr const & out); void set_options(options const & opts); void set_formatter(formatter const & f); template void set_option(name const & n, T const & v) { set_options(get_options().update(n, v)); } }; }