From 4b5f95af9c0e67f10779f1d93f37dc9877904796 Mon Sep 17 00:00:00 2001
From: Christian Engwer <christi@dune-project.org>
Date: Wed, 19 Dec 2007 12:55:51 +0000
Subject: [PATCH] added AllocatorType traits class
[[Imported from SVN: r5031]]
---
common/typetraits.hh | 51 ++++++++++++++++++++++++++++++++++++++++++++
doc/doxygen/Doxyfile | 2 +-
2 files changed, 52 insertions(+), 1 deletion(-)
diff --git a/common/typetraits.hh b/common/typetraits.hh
index 7de0ec144..9e532dc73 100644
--- a/common/typetraits.hh
+++ b/common/typetraits.hh
@@ -355,6 +355,57 @@ namespace Dune
{
typedef T2 Type;
};
+
+ /**
+ * @brief provided one allocator, get the same allocator for a different object type
+ *
+ * the resulting type is exported as Type
+ *
+ * this class does not implement anything, it must be specialized
+ * for each allocator class in use
+ */
+
+ template <class A, class T>
+ struct AllocatorType;
+
+ /**
+ @copydoc AllocatorType
+
+ specialization for all allocators of the for ALLOCATOR<TYPE>
+
+ this is expected to work for
+
+ std::allocator
+ __gnu_cxx::new_allocator<T>
+ __gnu_cxx::malloc_allocator<T>
+ __gnu_cxx::__pool_alloc<T>
+ __gnu_cxx::__mt_alloc<T>
+ __gnu_cxx::bitmap_allocator<T>
+ __gnu_cxx::array_allocator<T>
+ __gnu_cxx::throw_allocator<T>
+ */
+ template <template<class> class Allocator, class T1, class T2>
+ struct AllocatorType< Allocator<T1>, T2 >
+ {
+ typedef Allocator<T2> Type;
+ };
+
+#ifdef _DEBUG_ALLOCATOR_H
+ /**
+ @copydoc AllocatorType
+
+ if you want to use this specialization, you have to ensure that
+ <ext/debug_allocator.h> is included before <dune/common/typetraits.hh>
+
+ specialization for __gnu_cxx::debug_allocator< Allocator >
+ */
+ template <class A, class T>
+ struct AllocatorType< __gnu_cxx::debug_allocator<A>, T >
+ {
+ typedef typename __gnu_cxx::debug_allocator< typename AllocatorType<A,T>::Type > Type;
+ };
+#endif
+
/** @} */
}
#endif
diff --git a/doc/doxygen/Doxyfile b/doc/doxygen/Doxyfile
index 46548c5cd..f0e17a6c6 100644
--- a/doc/doxygen/Doxyfile
+++ b/doc/doxygen/Doxyfile
@@ -995,7 +995,7 @@ INCLUDE_FILE_PATTERNS =
# undefined via #undef or recursively expanded use the := operator
# instead of the = operator.
-PREDEFINED = DOXYGEN HAVE_MPI:=1
+PREDEFINED = DOXYGEN HAVE_MPI:=1 _DEBUG_ALLOCATOR_H:=1
# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then
# this tag can be used to specify a list of macro names that should be expanded.
--
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