From 91b1b6cec4776d8c2e48b54e16d698abcea6bbfe Mon Sep 17 00:00:00 2001
From: Krzysztof Kosi??ski <tweenk.pl@gmail.com>
Date: Thu, 4 Mar 2010 22:54:38 +0100
Subject: Clean up the unordered containers fix.

(bzr r9142)
---
 src/util/Makefile_insert        |  4 +--
 src/util/set-types.h            | 55 -----------------------------
 src/util/unordered-containers.h | 78 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 80 insertions(+), 57 deletions(-)
 delete mode 100644 src/util/set-types.h
 create mode 100644 src/util/unordered-containers.h

(limited to 'src/util')

diff --git a/src/util/Makefile_insert b/src/util/Makefile_insert
index 3d3c88940..1908aea19 100644
--- a/src/util/Makefile_insert
+++ b/src/util/Makefile_insert
@@ -16,12 +16,12 @@ ink_common_sources += \
 	util/map-list.h \
 	util/mathfns.h \
 	util/reverse-list.h \
-	util/set-types.h \
 	util/share.h \
 	util/share.cpp \
 	util/tuple.h \
 	util/units.cpp \
-	util/units.h
+	util/units.h \
+	util/unordered-containers.h
 
 # ######################
 # ### CxxTest stuff ####
diff --git a/src/util/set-types.h b/src/util/set-types.h
deleted file mode 100644
index f6752fb64..000000000
--- a/src/util/set-types.h
+++ /dev/null
@@ -1,55 +0,0 @@
-#ifndef SEEN_SET_TYPES_H
-#define SEEN_SET_TYPES_H
-
-
-/** @file
- * Simple wrapper to disambiguate hash/unordered lists & sets.
- */
-/* Authors:
- *   Jon A. Cruz <jon@joncruz.org>
- *
- * Copyright (C) 2010 Authors
- * Released under GNU GPL, read the file 'COPYING' for more information
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#if defined(HAVE_TR1_UNORDERED_SET)
-
-# include <tr1/unordered_set>
-# include <tr1/unordered_map>
-# define optim_set std::tr1::unordered_set
-# define optim_map std::tr1::unordered_map
-
-// TODO test on platform with this detected:
-//#elif defined(HAVE_UNORDERED_SET)
-//
-//# include <unordered_set>
-//# include <unordered_map>
-//#define optim_set std::unordered_set
-//#define optim_map std::unordered_map
-
-#elif defined(HAVE_EXT_HASH_SET)
-
-# include <ext/hash_set>
-# include <ext/hash_map>
-# define optim_set __gnu_cxx::hash_set
-# define optim_map __gnu_cxx::hash_map
-# define USE_GNU_HASHES 1
-
-#endif
-
-
-#endif // SEEN_SET_TYPES_H
-/*
-  Local Variables:
-  mode:c++
-  c-file-style:"stroustrup"
-  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
-  indent-tabs-mode:nil
-  fill-column:99
-  End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
diff --git a/src/util/unordered-containers.h b/src/util/unordered-containers.h
new file mode 100644
index 000000000..aaf771959
--- /dev/null
+++ b/src/util/unordered-containers.h
@@ -0,0 +1,78 @@
+/** @file
+ * @brief Compatibility wrapper for unordered containers.
+ */
+/* Authors:
+ *   Jon A. Cruz <jon@joncruz.org>
+ *   Krzysztof Kosiński <tweenk.pl@gmail.com>
+ *
+ * Copyright (C) 2010 Authors
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifndef SEEN_INK_UTIL_UNORDERED_CONTAINERS_H
+#define SEEN_INK_UTIL_UNORDERED_CONTAINERS_H
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifndef DOXYGEN_SHOULD_SKIP_THIS
+#if defined(HAVE_TR1_UNORDERED_SET)
+
+# include <tr1/unordered_set>
+# include <tr1/unordered_map>
+# define INK_UNORDERED_SET std::tr1::unordered_set
+# define INK_UNORDERED_MAP std::tr1::unordered_map
+# define INK_HASH std::tr1::hash
+
+#elif defined(HAVE_BOOST_UNORDERED_SET)
+# include <boost/unordered_set.hpp>
+# include <boost/unordered_map.hpp>
+# define INK_UNORDERED_SET boost::unordered_set
+# define INK_UNORDERED_MAP boost::unordered_map
+# define INK_HASH boost::hash
+
+#elif defined(HAVE_EXT_HASH_SET)
+
+# include <functional>
+# include <ext/hash_set>
+# include <ext/hash_map>
+# define INK_UNORDERED_SET __gnu_cxx::hash_set
+# define INK_UNORDERED_MAP __gnu_cxx::hash_map
+# define INK_HASH __gnu_cxx::hash
+
+namespace __gnu_cxx {
+// hash function for pointers
+// TR1 and Boost have this defined by default, __gnu_cxx doesn't
+template<typename T>
+struct hash<T *> : public std::unary_function<T *, std::size_t> {
+    std::size_t operator()(T *p) const {
+        // Taken from Boost
+        std::size_t x = static_cast<std::size_t>(reinterpret_cast<std::ptrdiff_t>(p));
+        return x + (x >> 3);
+    }
+};
+} // namespace __gnu_cxx
+#endif
+
+#else
+/// Name (with namespace) of the unordered set template.
+#define INK_UNORDERED_SET
+/// Name (with namespace) of the unordered map template.
+#define INK_UNORDERED_MAP
+/// Name (with namespace) of the hash template.
+#define INK_HASH
+
+#endif
+
+#endif // SEEN_SET_TYPES_H
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
-- 
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