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atomic_prop.hh
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1 // -*- coding: utf-8 -*-
2 // Copyright (C) 2009, 2012, 2013, 2014 Laboratoire de Recherche et
3 // Développement de l'Epita (LRDE).
4 // Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
5 // département Systèmes Répartis Coopératifs (SRC), Université Pierre
6 // et Marie Curie.
7 //
8 // This file is part of Spot, a model checking library.
9 //
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22 
25 #pragma once
26 
27 #include "formula.hh"
28 #include <string>
29 #include <iosfwd>
30 #include <map>
31 #include "ltlenv/environment.hh"
32 
33 namespace spot
34 {
35  namespace ltl
36  {
37 
40  class SPOT_API atomic_prop final : public formula
41  {
42  public:
45  static const atomic_prop*
46  instance(const std::string& name, environment& env);
47 
48  virtual void accept(visitor& visitor) const override;
49 
51  const std::string& name() const
52  {
53  return name_;
54  }
55 
57  environment& env() const
58  {
59  return *env_;
60  }
61 
63  virtual std::string dump() const override;
64 
66  static unsigned instance_count();
68  static std::ostream& dump_instances(std::ostream& os);
69 
70  protected:
71  atomic_prop(const std::string& name, environment& env);
72  virtual ~atomic_prop();
73 
74  typedef std::pair<std::string, environment*> key;
75  typedef std::map<key, const atomic_prop*> map;
76  static map instances;
77 
78  private:
79  std::string name_;
80  environment* env_;
81  };
82 
83  inline
84  const atomic_prop*
85  is_atomic_prop(const formula* f)
86  {
87  if (f->kind() != formula::AtomicProp)
88  return 0;
89  return static_cast<const atomic_prop*>(f);
90  }
91  }
92 }
Definition: public.hh:31
environment & env() const
Get the environment of the atomic proposition.
Definition: atomic_prop.hh:57
LTL formula interface.
Formula visitor.
Definition: visitor.hh:40
Atomic propositions.
Definition: atomic_prop.hh:40
An environment that describes atomic propositions.
Definition: environment.hh:34
SPOT_API std::ostream & dump(std::ostream &os, const formula *f)
Dump a formula tree.
An LTL formula.
Definition: formula.hh:71
const std::string & name() const
Get the name of the atomic proposition.
Definition: atomic_prop.hh:51

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