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45 lines
1022 B
C++
45 lines
1022 B
C++
//===-- Support/hash_map - "Portable" wrapper around hash_map ---*- C++ -*-===//
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//
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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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#ifndef SUPPORT_HASHMAP_H
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#define SUPPORT_HASHMAP_H
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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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#if __GNUC__ == 3
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#include <ext/hash_map>
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#ifndef HASH_NAMESPACE
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#if __GNUC_MINOR__ == 0
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#define HASH_NAMESPACE std
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#else
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#define HASH_NAMESPACE __gnu_cxx
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#endif
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#endif
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#else
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#include <hash_map>
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#ifndef HASH_NAMESPACE
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#define HASH_NAMESPACE std
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#endif
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#endif
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using HASH_NAMESPACE::hash_map;
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using HASH_NAMESPACE::hash;
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#include <Support/HashExtras.h>
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#endif
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