41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
/*
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Copyright (c) 2015 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 "kernel/environment.h"
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#include "library/io_state.h"
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namespace lean {
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class parser;
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class decl_attributes {
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public:
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struct entry {
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std::string m_attr;
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list<unsigned> m_params;
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entry() {}
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entry(char const * attr):m_attr(attr) {}
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entry(char const * attr, unsigned p):m_attr(attr), m_params(to_list(p)) {}
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entry(char const * attr, list<unsigned> const & ps):m_attr(attr), m_params(ps) {}
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bool operator==(entry const & e) const { return m_attr == e.m_attr && m_params == e.m_params; }
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bool operator!=(entry const & e) const { return !operator==(e); }
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};
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private:
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bool m_is_abbrev; // if true only abbreviation attributes are allowed
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bool m_persistent;
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bool m_parsing_only;
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list<entry> m_entries;
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optional<unsigned> m_prio;
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public:
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decl_attributes(bool is_abbrev = false, bool persistent = true);
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void parse(parser & p);
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environment apply(environment env, io_state const & ios, name const & d, name const & ns) const;
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bool is_parsing_only() const { return m_parsing_only; }
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void write(serializer & s) const;
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void read(deserializer & d);
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friend bool operator==(decl_attributes const & d1, decl_attributes const & d2);
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};
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bool operator==(decl_attributes const & d1, decl_attributes const & d2);
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}
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