51 lines
2.3 KiB
C++
51 lines
2.3 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 "kernel/environment.h"
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#include "frontends/lean/token_table.h"
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#include "frontends/lean/parse_table.h"
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#include "frontends/lean/cmd_table.h"
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namespace lean {
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struct token_entry {
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std::string m_token;
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unsigned m_prec;
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token_entry(std::string const & tk, unsigned prec):m_token(tk), m_prec(prec) {}
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};
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struct notation_entry {
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typedef notation::transition transition;
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bool m_is_nud;
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list<transition> m_transitions;
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expr m_expr;
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bool m_overload;
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notation_entry():m_is_nud(true) {}
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notation_entry(bool is_nud, list<transition> const & ts, expr const & e, bool overload):
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m_is_nud(is_nud), m_transitions(ts), m_expr(e), m_overload(overload) {}
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};
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/** \brief Apply \c f to expressions embedded in the notation entry */
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notation_entry replace(notation_entry const & e, std::function<expr(expr const &)> const & f);
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environment add_token(environment const & env, token_entry const & e);
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environment add_notation(environment const & env, notation_entry const & e);
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environment add_token(environment const & env, char const * val, unsigned prec);
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environment add_nud_notation(environment const & env, unsigned num, notation::transition const * ts, expr const & a, bool overload = true);
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environment add_led_notation(environment const & env, unsigned num, notation::transition const * ts, expr const & a, bool overload = true);
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environment add_nud_notation(environment const & env, std::initializer_list<notation::transition> const & ts, expr const & a,
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bool overload = true);
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environment add_led_notation(environment const & env, std::initializer_list<notation::transition> const & ts, expr const & a,
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bool overload = true);
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token_table const & get_token_table(environment const & env);
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parse_table const & get_nud_table(environment const & env);
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parse_table const & get_led_table(environment const & env);
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cmd_table const & get_cmd_table(environment const & env);
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/** \brief Force notation from namespace \c n to shadow any existing notation */
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environment overwrite_notation(environment const & env, name const & n);
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}
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