0556412f8d
@kha The runtime folder includes what is needed to link a standalone Lean program. It is still contains some unnecessary files. We will be able to remove them after we release Lean4.
54 lines
2.1 KiB
C++
54 lines
2.1 KiB
C++
/*
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Copyright (c) 2016 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: Gabriel Ebner
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*/
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#pragma once
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#include <string>
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#include "runtime/exception.h"
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#include "library/io_state_stream.h"
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#include "library/messages.h"
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#include "library/type_context.h"
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namespace lean {
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/** Builder for a message object. */
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class message_builder {
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std::shared_ptr<abstract_type_context> m_tc;
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std::string m_file_name;
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pos_info m_pos;
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optional<pos_info> m_end_pos;
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message_severity m_severity;
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std::string m_caption;
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std::shared_ptr<string_output_channel> m_text;
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io_state_stream m_text_stream;
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public:
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message_builder(std::shared_ptr<abstract_type_context> const & tc,
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environment const & env, io_state const & ios,
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std::string const & file_name, pos_info const & pos,
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message_severity severity);
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message_builder(environment const & env, io_state const & ios,
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std::string const & file_name, pos_info const & pos,
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message_severity severity);
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message build();
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void report();
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message_builder & set_file_name(std::string const & file_name) { m_file_name = file_name; return *this; }
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message_builder & set_pos(pos_info const & pos) { m_pos = pos; return *this; }
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message_builder & set_end_pos(pos_info const & pos) { m_end_pos = pos; return *this; }
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message_builder & set_severity(message_severity severity) { m_severity = severity; return *this; }
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message_builder & set_caption(std::string const & caption) { m_caption = caption; return *this; }
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formatter const & get_formatter() const { return m_text_stream.get_formatter(); }
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io_state_stream & get_text_stream() { return m_text_stream; }
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template <typename T>
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message_builder & operator<<(T const & t) { m_text_stream << t; return *this; }
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message_builder & set_exception(std::exception const & ex, bool use_pos = true);
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};
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}
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