CarpetLib: Provide manual look-alikes for certain C++11 features

Provide "forall" based on Boost's FOREACH.
Provide shared_ptr based on Boost's shared_ptr.

1 files changed, 20 insertions, 0 deletions

diff --git a/Carpet/CarpetLib/src/defs.hh b/Carpet/CarpetLib/src/defs.hh
index 398057d4d..747761cd7 100644
--- a/Carpet/CarpetLib/src/defs.hh
+++ b/Carpet/CarpetLib/src/defs.hh
@@ -21,6 +21,26 @@
 
 using namespace std;
 
+// TODO: autoconf these
+
+#ifdef CARPET_USE_BOOST_FOREACH
+#  include <boost/foreach.hpp>
+// We call the macro "forall", not "foreach", since the name "foreach"
+// is taken by Boost and cannot be used here. An alternative name
+// would be "foreach_" with a trailing underscore.
+#  define forall   BOOST_FOREACH
+// #  define forall_r BOOST_REVERSE_FOREACH
+#else
+#  define forall(var, expr) for (var: expr)
+#endif
+
+#ifdef CARPET_USE_BOOST_SHARED_PTR
+#  include <boost/shared_ptr.hpp>
+#  include <boost/make_shared.hpp>
+#  define shared_ptr boost::shared_ptr
+#  define make_shared boost::make_shared
+#endif
+
 
 
 // Stringify