2002-07-24 23:25:34 +02:00
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//===-- Support/hash_map - "Portable" wrapper around hash_map ---*- C++ -*-===//
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2003-08-15 22:01:10 +02:00
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//
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2003-10-20 21:46:57 +02:00
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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2002-07-24 23:25:34 +02:00
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// This file provides a wrapper around the mysterious <hash_map> header file
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// that seems to move around between GCC releases into and out of namespaces at
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// will. #including this header will cause hash_map to be available in the
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// global namespace.
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//
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//===----------------------------------------------------------------------===//
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2003-06-17 02:35:55 +02:00
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#ifndef SUPPORT_HASH_MAP
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#define SUPPORT_HASH_MAP
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2002-07-24 23:25:34 +02:00
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2002-07-25 17:23:20 +02:00
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// Compiler Support Matrix
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//
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// Version Namespace Header File
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// 2.95.x :: hash_map
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// 3.0.4 std ext/hash_map
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// 3.1 __gnu_cxx ext/hash_map
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//
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2003-06-30 23:59:07 +02:00
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#include "Config/config.h"
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#ifdef HAVE_GNU_EXT_HASH_MAP
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2003-08-15 22:01:10 +02:00
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// This is for GCC-3.1+ which puts hash in ext/hash_map
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2003-06-30 23:59:07 +02:00
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#include <ext/hash_map>
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2002-07-25 00:20:00 +02:00
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#define HASH_NAMESPACE __gnu_cxx
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2002-07-25 17:23:20 +02:00
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2002-07-24 23:16:42 +02:00
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#else
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2002-07-25 17:23:20 +02:00
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2003-08-15 22:01:10 +02:00
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// This is for GCC-3.0.x which puts hashmap in the `ext' directory.
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2003-06-30 23:59:07 +02:00
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#ifdef HAVE_STD_EXT_HASH_MAP
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#include <ext/hash_map>
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2002-07-25 00:20:00 +02:00
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#define HASH_NAMESPACE std
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2003-06-30 23:59:07 +02:00
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#else
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2003-08-15 22:01:10 +02:00
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// This handles older, pre-3.0 GCC which do not have the extentions in the `ext'
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// directory, and ignore the `std' namespace.
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2003-06-30 23:59:07 +02:00
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#include <hash_map>
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2003-08-15 22:01:10 +02:00
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#define HASH_NAMESPACE std
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2002-07-25 00:20:00 +02:00
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#endif
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2003-06-30 23:59:07 +02:00
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2002-07-24 23:16:42 +02:00
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#endif
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2002-07-24 23:25:34 +02:00
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2002-07-25 00:20:00 +02:00
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using HASH_NAMESPACE::hash_map;
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2003-02-01 05:14:28 +01:00
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using HASH_NAMESPACE::hash_multimap;
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2002-07-25 00:20:00 +02:00
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using HASH_NAMESPACE::hash;
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2003-07-25 17:08:08 +02:00
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// Include vector because ext/hash_map includes stl_vector.h and leaves
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// out specializations like stl_bvector.h, causing link conflicts.
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2003-07-25 16:06:13 +02:00
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#include <vector>
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2002-11-08 15:07:33 +01:00
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#include <Support/HashExtras.h>
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2002-07-24 23:25:34 +02:00
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#endif
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