Add reverse_execute_prerequisites() variant

1 files changed, 14 insertions, 0 deletions

diff --git a/libbuild2/algorithm.ixx b/libbuild2/algorithm.ixx
index c57e117..1b3a5cd 100644
--- a/libbuild2/algorithm.ixx
+++ b/libbuild2/algorithm.ixx
@@ -834,6 +834,12 @@ namespace build2
                          const timestamp&, const execute_filter&,
                          size_t);
 
+  LIBBUILD2_SYMEXPORT pair<optional<target_state>, const target*>
+  reverse_execute_prerequisites (const target_type*,
+                                 action, const target&,
+                                 const timestamp&, const execute_filter&,
+                                 size_t);
+
   inline optional<target_state>
   execute_prerequisites (action a, const target& t,
                          const timestamp& mt, const execute_filter& ef,
@@ -842,6 +848,14 @@ namespace build2
     return execute_prerequisites (nullptr, a, t, mt, ef, n).first;
   }
 
+  inline optional<target_state>
+  reverse_execute_prerequisites (action a, const target& t,
+                                 const timestamp& mt, const execute_filter& ef,
+                                 size_t n)
+  {
+    return reverse_execute_prerequisites (nullptr, a, t, mt, ef, n).first;
+  }
+
   template <typename T>
   inline pair<optional<target_state>, const T&>
   execute_prerequisites (action a, const target& t,