expose the grouped dependency graph from the environment

Author: cmnrd

include/reactor-cpp/dependency_graph.hh

@@ -112,12 +112,11 @@ private:
 
   void clear_all_empty_vertices();
 
-  GroupedDependencyGraph() = default;
-
 public:
   // TODO: This should be a const reference, but I don't know how to get immutable access to the reaction graph
   // properties...
   GroupedDependencyGraph(ReactionDependencyGraph& reactionGraph);
+  GroupedDependencyGraph() = default;
 
   void export_graphviz(const std::string& file_name);
 

include/reactor-cpp/environment.hh

@@ -13,6 +13,7 @@
 #include <string>
 #include <vector>
 
+#include "reactor-cpp/dependency_graph.hh"
 #include "reactor.hh"
 #include "scheduler.hh"
 
@@ -42,6 +43,8 @@ private:
   Phase phase_{Phase::Construction};
   TimePoint start_time_{};
 
+  GroupedDependencyGraph grouped_graph_{};
+
   void build_dependency_graph(Reactor* reactor);
   void calculate_indexes();
 
@@ -83,6 +86,8 @@ public:
   [[nodiscard]] auto fast_fwd_execution() const noexcept -> bool { return fast_fwd_execution_; }
   [[nodiscard]] auto run_forever() const noexcept -> bool { return run_forever_; }
   [[nodiscard]] auto max_reaction_index() const noexcept -> unsigned int { return max_reaction_index_; }
+
+  [[nodiscard]] auto grouped_graph() const noexcept -> const GroupedDependencyGraph& { return grouped_graph_; }
 };
 } // namespace reactor
 

lib/environment.cc

@@ -64,6 +64,8 @@ void Environment::assemble() {
 
   reduced_grouped_graph.group_chains();
   reduced_grouped_graph.export_graphviz("grouped_chains_graph.dot");
+
+  this->grouped_graph_ = reduced_grouped_graph;
 }
 
 void Environment::build_dependency_graph(Reactor* reactor) { // NOLINT