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hash_map and hash_set:

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* Define HASH_NAMESPACE to `std' in the case of pre-3.0 GCC compilers
* Add comments to clarify the intent of all the #ifdef madness
* Add VIM directive to highlight files as C++


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7903 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2003-08-15 20:01:10 +00:00
parent b7dc2b9251
commit b60fe7791e
2 changed files with 13 additions and 5 deletions
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10
include/Support/hash_map
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@ -1,5 +1,6 @@
//===-- Support/hash_map - "Portable" wrapper around hash_map ---*- C++ -*-===//
//
// vim:ft=cpp
//
// This file provides a wrapper around the mysterious <hash_map> header file
// that seems to move around between GCC releases into and out of namespaces at
// will. #including this header will cause hash_map to be available in the
@ -21,19 +22,22 @@
#include "Config/config.h"
#ifdef HAVE_GNU_EXT_HASH_MAP
// This is for GCC-3.1+ which puts hash in ext/hash_map
#include <ext/hash_map>
#define HASH_NAMESPACE __gnu_cxx
#else
// This is for GCC-3.0.x which puts hashmap in the `ext' directory.
#ifdef HAVE_STD_EXT_HASH_MAP
#include <ext/hash_map>
#define HASH_NAMESPACE std
#else
// This handles older, pre-3.0 GCC which do not have the extentions in the `ext'
// directory, and ignore the `std' namespace.
#include <hash_map>
#define HASH_NAMESPACE
#define HASH_NAMESPACE std
#endif
#endif

8
include/Support/hash_set
View File

@ -1,4 +1,5 @@
//===-- Support/hash_set - "Portable" wrapper around hash_set ---*- C++ -*-===//
// vim:ft=cpp
//
// This file provides a wrapper around the mysterious <hash_set> header file
// that seems to move around between GCC releases into and out of namespaces at
@ -22,18 +23,22 @@
#ifdef HAVE_GNU_EXT_HASH_SET
// This is for GCC-3.1+ which puts hashset in ext/hash_set
#include <ext/hash_set>
#define HASH_NAMESPACE __gnu_cxx
#else
// This is for GCC-3.0.x which puts hashmap in the `ext' directory.
#ifdef HAVE_STD_EXT_HASH_SET
#include <ext/hash_set>
#define HASH_NAMESPACE std
#else
// This handles older, pre-3.0 GCC which do not have the extentions in the `ext'
// directory, and ignore the `std' namespace.
#include <hash_set>
#define HASH_NAMESPACE
#define HASH_NAMESPACE std
#endif
#endif
@ -48,4 +53,3 @@ using HASH_NAMESPACE::hash;
#include <Support/HashExtras.h>
#endif