adding documentation

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

diff --git a/src/mc/api/State.cpp b/src/mc/api/State.cpp
index eb193df..dae2c6f 100644 (file)
--- a/src/mc/api/State.cpp
+++ b/src/mc/api/State.cpp
@@ -25,6 +25,38 @@ State::State(const RemoteApp& remote_app) : num_(++expended_states_)
   }
 }
 
+State::State(const RemoteApp& remote_app, const State* previous_state) : num_(++expended_states_)
+{
+
+  remote_app.get_actors_status(actors_to_run_);
+
+  transition_.reset(new Transition());
+  /* Stateful model checking */
+  if ((_sg_mc_checkpoint > 0 && (num_ % _sg_mc_checkpoint == 0)) || _sg_mc_termination) {
+    system_state_ = std::make_shared<simgrid::mc::Snapshot>(num_);
+  }
+
+  /* For each actor in the previous sleep set, keep it if it is not dependent with current transition.
+   * And if we kept it and the actor is enabled in this state, mark the actor as already done, so that
+   * it is not explored*/
+  for (auto & [aid, transition] : previous_state->get_sleep_set()) {
+      
+      if (not previous_state->get_transition()->depends(&transition)) {
+             
+         sleep_set_.emplace(aid, transition);
+         if (actors_to_run_.count(aid) != 0) {
+             XBT_DEBUG("Actor %ld will not be explored, for it is in the sleep set", aid);
+
+             actors_to_run_.at(aid).mark_done();
+         }
+      }
+      else
+         XBT_DEBUG("Transition >>%s<< removed from the sleep set because it was dependent with >>%s<<", transition.to_string().c_str(), previous_state->get_transition()->to_string().c_str());
+  
+  }
+    
+}
+    
 std::size_t State::count_todo() const
 {
   return boost::range::count_if(this->actors_to_run_, [](auto& pair) { return pair.second.is_todo(); });
@@ -50,7 +82,7 @@ aid_t State::next_transition() const
   XBT_DEBUG("Search for an actor to run. %zu actors to consider", actors_to_run_.size());
   for (auto const& [aid, actor] : actors_to_run_) {
     /* Only consider actors (1) marked as interleaving by the checker and (2) currently enabled in the application */
-      if (not actor.is_todo() || not actor.is_enabled()) {
+      if (not actor.is_todo() || not actor.is_enabled() || actor.is_done()) {
 
          if (not actor.is_todo())
              XBT_DEBUG("Can't run actor %ld because it is not todo", aid); 
@@ -58,6 +90,10 @@ aid_t State::next_transition() const
          if (not actor.is_enabled())
              XBT_DEBUG("Can't run actor %ld because it is not enabled", aid);
 
+         if (actor.is_done())
+             XBT_DEBUG("Can't run actor %ld because it has already been done", aid);
+
+         
          continue;