31 lines
1 KiB
C++
31 lines
1 KiB
C++
/*
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Copyright (c) 2014 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 <string>
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#include <utility>
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#include <memory>
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#include "util/rb_map.h"
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#include "kernel/pos_info_provider.h"
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namespace lean {
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typedef rb_map<unsigned, pos_info, unsigned_cmp> pos_info_table;
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/* Temporary object for providing position information.
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It is only used for exceptions such as parser_nested_exception.
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The idea is to avoid storing the whole parser object in these exceptions. */
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class parser_pos_provider : public pos_info_provider {
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pos_info_table m_pos_table;
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std::string m_strm_name;
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pos_info m_pos;
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public:
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parser_pos_provider(pos_info_table const & pos_table, std::string const & strm_name, pos_info const & some_pos);
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virtual ~parser_pos_provider();
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virtual optional<pos_info> get_pos_info(expr const & e) const;
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virtual pos_info get_some_pos() const;
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virtual char const * get_file_name() const;
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};
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}
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