Add a helper class (APSInt) which can represent an APInt along with sign

[oota-llvm.git] / include / llvm / ADT / hash_set.in

diff --git a/include/llvm/ADT/hash_set.in b/include/llvm/ADT/hash_set.in
index 1c7677d6ade3a6c49d89fc9683349ba56bf4d092..1d4dff8b54d49a8a61c9bfd6e91036480af05c13 100644 (file)
--- a/include/llvm/ADT/hash_set.in
+++ b/include/llvm/ADT/hash_set.in
@@ -24,11 +24,13 @@
 //  2.95.x       ::        hash_set
 //  3.0.4       std      ext/hash_set
 //  3.1      __gnu_cxx   ext/hash_set
-//
+//  HP aCC6     std      stdex/rw/hashset.h
+//  MS VC++    stdext      hash_set
 
 #undef HAVE_GNU_EXT_HASH_SET
 #undef HAVE_STD_EXT_HASH_SET
 #undef HAVE_GLOBAL_HASH_SET
+#undef HAVE_RW_STDEX_HASH_SET_H
 
 // GCC versions 3.1 and later put hash_set in <ext/hash_set> and in
 // the __gnu_cxx namespace.
@@ -53,14 +55,52 @@
 #  define HASH_NAMESPACE std
 # endif
 
+// HP aCC doesn't include an SGI-like hash_set. For this platform (or
+// any others using Rogue Wave Software's Tools.h++ library), we wrap
+// around them in std::
+#elif HAVE_RW_STDEX_HASH_SET_H
+# include <rw/stdex/hashset.h>
+# ifndef HASH_NAMESPACE
+#  define HASH_NAMESPACE std
+# endif
+
+// Support Microsoft VC++.
+#elif defined(_MSC_VER)
+# include <hash_set>
+# ifndef HASH_NAMESPACE
+#  define HASH_NAMESPACE stdext
+# endif
+
 // Give a warning if we couldn't find it, instead of (or in addition to)
 // randomly doing something dumb.
 #else
 # warning "Autoconfiguration failed to find the hash_set header file."
 #endif
 
+// we wrap Rogue Wave Tools.h++ rw_hashset into something SGI-looking, here:
+#ifdef HAVE_RW_STDEX_HASH_SET_H
+namespace HASH_NAMESPACE {
+
+/*
+template <class DataType> struct hash {
+    unsigned int operator()(const unsigned int& x) const {
+       return x;
+    }
+};
+*/
+
+template <typename ValueType,
+  class _HashFcn = hash<ValueType>,
+  class _EqualKey = equal_to<ValueType>,
+  class _A = allocator <ValueType> >
+class hash_set : 
+  public rw_hashset<ValueType, class _HashFcn, class _EqualKey, class _A> {
+};
+
+} // end HASH_NAMESPACE;
+#endif
+
 using HASH_NAMESPACE::hash_set;
-using HASH_NAMESPACE::hash;
 
 // Include vector because ext/hash_set includes stl_vector.h and leaves
 // out specializations like stl_bvector.h, causing link conflicts.