print useful message for otherwise silent assert

git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/ReflectionSymmetry/trunk@44 082bdb00-0f4f-0410-b49e-b1835e5f2039

1 files changed, 7 insertions, 0 deletions

diff --git a/src/apply.c b/src/apply.c
index 1bdfb37..ad5f2f9 100644
--- a/src/apply.c
+++ b/src/apply.c
@@ -245,6 +245,13 @@ BndReflectVI (cGH const * restrict const cctkGH,
   assert (table>=0);
   
   varptr = CCTK_VarDataPtrI (cctkGH, 0, vi);
+  if (!varptr) {
+    fullname = CCTK_FullName (vi);
+    CCTK_VInfo (CCTK_THORNSTRING,
+                "assertion for \"%s\"",
+                fullname);
+    free (fullname);
+  }
   assert (varptr);