Add copy constructor to state, so we can backtrack different ways

[simgrid.git] / src / mc / api / State.hpp

diff --git a/src/mc/api/State.hpp b/src/mc/api/State.hpp
index a9dd2c4..9288788 100644 (file)
--- a/src/mc/api/State.hpp
+++ b/src/mc/api/State.hpp
@@ -43,7 +43,7 @@ class XBT_PRIVATE State : public xbt::Extendable<State> {
       and for guided model-checking */
   const State* parent_state_;
 
-  std::unique_ptr<GuidedState> guide;
+  std::shared_ptr<GuidedState> guide_;
 
   /* Sleep sets are composed of the actor and the corresponding transition that made it being added to the sleep
    * set. With this information, it is check whether it should be removed from it or not when exploring a new
@@ -53,8 +53,13 @@ class XBT_PRIVATE State : public xbt::Extendable<State> {
 public:
   explicit State(RemoteApp& remote_app);
   explicit State(RemoteApp& remote_app, const State* parent_state);
+  explicit State(const State& other);
   /* Returns a positive number if there is another transition to pick, or -1 if not */
-  aid_t next_transition() const;
+  aid_t next_transition() const; // this function should disapear as it is redundant with the next one
+
+  /* Same as next_transition, but choice is now guided, and a double corresponding to the
+   internal cost of the transition is returned */
+  std::pair<aid_t, double> next_transition_guided() const;
 
   /* Explore a new path on the remote app; the parameter 'next' must be the result of a previous call to
    * next_transition() */
@@ -62,21 +67,28 @@ public:
 
   long get_num() const { return num_; }
   std::size_t count_todo() const;
-  void mark_todo(aid_t actor) { guide->actors_to_run_.at(actor).mark_todo(); }
-  void mark_all_enabled_todo();
-  bool is_actor_done(aid_t actor) const { return guide->actors_to_run_.at(actor).is_done(); }
+
+  /* Marking as TODO some actor in this state:
+   *  + consider_one mark aid actor (and assert it is possible)
+   *  + consider_best ensure one actor is marked by eventually marking the best regarding its guiding methode
+   *  + conside_all mark all enabled actor that are not done yet */
+  void consider_one(aid_t aid) { guide_->consider_one(aid); }
+  void consider_best() { guide_->consider_best(); }
+  void consider_all() { guide_->consider_all(); }
+
+  bool is_actor_done(aid_t actor) const { return guide_->actors_to_run_.at(actor).is_done(); }
   Transition* get_transition() const;
   void set_transition(Transition* t) { transition_ = t; }
-  std::map<aid_t, ActorState> const& get_actors_list() const { return guide->actors_to_run_; }
+  std::map<aid_t, ActorState> const& get_actors_list() const { return guide_->actors_to_run_; }
 
-  unsigned long get_actor_count() const { return guide->actors_to_run_.size(); }
-  bool is_actor_enabled(aid_t actor) { return guide->actors_to_run_.at(actor).is_enabled(); }
+  unsigned long get_actor_count() const { return guide_->actors_to_run_.size(); }
+  bool is_actor_enabled(aid_t actor) { return guide_->actors_to_run_.at(actor).is_enabled(); }
 
   Snapshot* get_system_state() const { return system_state_.get(); }
   void set_system_state(std::shared_ptr<Snapshot> state) { system_state_ = std::move(state); }
 
   std::map<aid_t, Transition> const& get_sleep_set() const { return sleep_set_; }
-  void add_sleep_set(Transition* t)
+  void add_sleep_set(const Transition* t)
   {
     sleep_set_.insert_or_assign(t->aid_, Transition(t->type_, t->aid_, t->times_considered_));
   }