From 6170491b190194fe17e1c14d60d3e1582e6689a9 Mon Sep 17 00:00:00 2001
From: Arnaud Becheler <8360330+Becheler@users.noreply.github.com>
Date: Thu, 27 Aug 2026 02:35:14 +0200
Subject: [PATCH] remove event stubs

---
 include/boost/graph/breadth_first_search.hpp  | 10 ---------
 include/boost/graph/depth_first_search.hpp    | 10 ---------
 .../boost/graph/maximum_adjacency_search.hpp  |  5 -----
 include/boost/graph/visitors.hpp              | 21 -------------------
 4 files changed, 46 deletions(-)

diff --git a/include/boost/graph/breadth_first_search.hpp b/include/boost/graph/breadth_first_search.hpp
index 0993d55d1..d1493cf20 100644
--- a/include/boost/graph/breadth_first_search.hpp
+++ b/include/boost/graph/breadth_first_search.hpp
@@ -224,16 +224,6 @@ template < class Visitors = null_visitor > class bfs_visitor
         return graph::bfs_visitor_event_not_overridden();
     }
 
-    BOOST_GRAPH_EVENT_STUB(on_initialize_vertex, bfs)
-    BOOST_GRAPH_EVENT_STUB(on_discover_vertex, bfs)
-    BOOST_GRAPH_EVENT_STUB(on_examine_vertex, bfs)
-    BOOST_GRAPH_EVENT_STUB(on_examine_edge, bfs)
-    BOOST_GRAPH_EVENT_STUB(on_tree_edge, bfs)
-    BOOST_GRAPH_EVENT_STUB(on_non_tree_edge, bfs)
-    BOOST_GRAPH_EVENT_STUB(on_gray_target, bfs)
-    BOOST_GRAPH_EVENT_STUB(on_black_target, bfs)
-    BOOST_GRAPH_EVENT_STUB(on_finish_vertex, bfs)
-
 protected:
     Visitors m_vis;
 };
diff --git a/include/boost/graph/depth_first_search.hpp b/include/boost/graph/depth_first_search.hpp
index 7b354c499..4ad4e160f 100644
--- a/include/boost/graph/depth_first_search.hpp
+++ b/include/boost/graph/depth_first_search.hpp
@@ -365,16 +365,6 @@ template < class Visitors = null_visitor > class dfs_visitor
         invoke_visitors(m_vis, u, g, ::boost::on_finish_vertex());
     }
 
-    BOOST_GRAPH_EVENT_STUB(on_initialize_vertex, dfs)
-    BOOST_GRAPH_EVENT_STUB(on_start_vertex, dfs)
-    BOOST_GRAPH_EVENT_STUB(on_discover_vertex, dfs)
-    BOOST_GRAPH_EVENT_STUB(on_examine_edge, dfs)
-    BOOST_GRAPH_EVENT_STUB(on_tree_edge, dfs)
-    BOOST_GRAPH_EVENT_STUB(on_back_edge, dfs)
-    BOOST_GRAPH_EVENT_STUB(on_forward_or_cross_edge, dfs)
-    BOOST_GRAPH_EVENT_STUB(on_finish_edge, dfs)
-    BOOST_GRAPH_EVENT_STUB(on_finish_vertex, dfs)
-
 protected:
     Visitors m_vis;
 };
diff --git a/include/boost/graph/maximum_adjacency_search.hpp b/include/boost/graph/maximum_adjacency_search.hpp
index b8161f328..1a8c2781b 100644
--- a/include/boost/graph/maximum_adjacency_search.hpp
+++ b/include/boost/graph/maximum_adjacency_search.hpp
@@ -104,11 +104,6 @@ class mas_visitor
         invoke_visitors(m_vis, u, g, ::boost::on_finish_vertex());
     }
 
-    BOOST_GRAPH_EVENT_STUB(on_initialize_vertex, mas)
-    BOOST_GRAPH_EVENT_STUB(on_start_vertex, mas)
-    BOOST_GRAPH_EVENT_STUB(on_examine_edge, mas)
-    BOOST_GRAPH_EVENT_STUB(on_finish_vertex, mas)
-
 protected:
     Visitors m_vis;
 };
diff --git a/include/boost/graph/visitors.hpp b/include/boost/graph/visitors.hpp
index d98262bcc..80508d4b4 100644
--- a/include/boost/graph/visitors.hpp
+++ b/include/boost/graph/visitors.hpp
@@ -59,13 +59,6 @@ namespace detail
         on_edge_not_minimized_num
     };
 
-    template < typename Event, typename Visitor >
-    struct functor_to_visitor : Visitor
-    {
-        typedef Event event_filter;
-        functor_to_visitor(const Visitor& visitor) : Visitor(visitor) {}
-    };
-
 } // namespace detail
 
 struct on_no_event
@@ -409,20 +402,6 @@ inline property_put< PropertyMap, EventTag > put_property(
     return property_put< PropertyMap, EventTag >(property_map, value);
 }
 
-#define BOOST_GRAPH_EVENT_STUB(Event, Kind)                                 \
-    typedef ::boost::Event Event##_type;                                    \
-    template < typename Visitor >                                           \
-    Kind##_visitor< std::pair<                                              \
-        detail::functor_to_visitor< Event##_type, Visitor >, Visitors > >   \
-        do_##Event(Visitor visitor)                                         \
-    {                                                                       \
-        typedef std::pair<                                                  \
-            detail::functor_to_visitor< Event##_type, Visitor >, Visitors > \
-            visitor_list;                                                   \
-        typedef Kind##_visitor< visitor_list > result_type;                 \
-        return result_type(visitor_list(visitor, m_vis));                   \
-    }
-
 } /* namespace boost */
 
 #endif