34 lines
1.3 KiB
C++
34 lines
1.3 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 "kernel/environment.h"
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namespace lean {
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/** \brief Transitive closed multigraph */
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class tc_multigraph {
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name m_kind;
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name_map<list<pair<name, name>>> m_successors;
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name_map<list<name>> m_predecessors;
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name_map<name> m_edges;
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pair<name, name> validate(environment const & env, name const & e, unsigned num_args);
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friend struct add_edge_fn;
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public:
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tc_multigraph(name const & kind):m_kind(kind) {}
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pair<environment, list<name>> add(environment const & env, name const & e, unsigned num_args);
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pair<environment, list<name>> add(environment const & env, name const & e);
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void add1(environment const & env, name const & e, unsigned num_args);
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void add1(environment const & env, name const & e);
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void erase(name const & e);
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bool is_edge(name const & e) const;
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bool is_node(name const & c) const;
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list<pair<name, name>> get_successors(name const & c) const;
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list<name> get_predecessors(name const & c) const;
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static bool is_fun_sink(name const & c);
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static bool is_sort_sink(name const & c);
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};
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void initialize_tc_multigraph();
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void finalize_tc_multigraph();
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}
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