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// go-system.h -- Go frontend inclusion of gcc header files   -*- C++ -*-

// Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.

// This file is part of GCC.

// GCC is free software; you can redistribute it and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation; either version 3, or (at your option) any later

// version.

// GCC is distributed in the hope that it will be useful, but WITHOUT ANY

// WARRANTY; without even the implied warranty of MERCHANTABILITY or

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for more details.

// You should have received a copy of the GNU General Public License

// along with GCC; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

#ifndef GO_SYSTEM_H

#define GO_SYSTEM_H

#include "config.h"

// These must be included before the #poison declarations in system.h.

#include <algorithm>

#include <string>

#include <list>

#include <map>

#include <set>

#include <vector>

#if defined(HAVE_UNORDERED_MAP)

# include <unordered_map>

# include <unordered_set>

# define Unordered_map(KEYTYPE, VALTYPE) \

        std::unordered_map<KEYTYPE, VALTYPE>

# define Unordered_map_hash(KEYTYPE, VALTYPE, HASHFN, EQFN) \

        std::unordered_map<KEYTYPE, VALTYPE, HASHFN, EQFN>

# define Unordered_set(KEYTYPE) \

        std::unordered_set<KEYTYPE>

# define Unordered_set_hash(KEYTYPE, HASHFN, EQFN) \

        std::unordered_set<KEYTYPE, HASHFN, EQFN>

#elif defined(HAVE_TR1_UNORDERED_MAP)

# include <tr1/unordered_map>

# include <tr1/unordered_set>

# define Unordered_map(KEYTYPE, VALTYPE) \

        std::tr1::unordered_map<KEYTYPE, VALTYPE>

# define Unordered_map_hash(KEYTYPE, VALTYPE, HASHFN, EQFN) \

        std::tr1::unordered_map<KEYTYPE, VALTYPE, HASHFN, EQFN>

# define Unordered_set(KEYTYPE) \

        std::tr1::unordered_set<KEYTYPE>

# define Unordered_set_hash(KEYTYPE, HASHFN, EQFN) \

        std::tr1::unordered_set<KEYTYPE, HASHFN, EQFN>

#elif defined(HAVE_EXT_HASH_MAP)

# include <ext/hash_map>

# include <ext/hash_set>

# define Unordered_map(KEYTYPE, VALTYPE) \

        __gnu_cxx::hash_map<KEYTYPE, VALTYPE>

# define Unordered_map_hash(KEYTYPE, VALTYPE, HASHFN, EQFN) \

        __gnu_cxx::hash_map<KEYTYPE, VALTYPE, HASHFN, EQFN>

# define Unordered_set(KEYTYPE) \

        __gnu_cxx::hash_set<KEYTYPE>

# define Unordered_set_hash(KEYTYPE, HASHFN, EQFN) \

        __gnu_cxx::hash_set<KEYTYPE, HASHFN, EQFN>

// Provide hash functions for strings and pointers.

namespace __gnu_cxx

{

template<>

struct hash<std::string>

{

  size_t

  operator()(std::string s) const

  { return __stl_hash_string(s.c_str()); }

};

template<typename T>

struct hash<T*>

{

  size_t

  operator()(T* p) const

  { return reinterpret_cast<size_t>(p); }

};

}

#else

# define Unordered_map(KEYTYPE, VALTYPE) \

        std::map<KEYTYPE, VALTYPE>

# define Unordered_set(KEYTYPE) \

        std::set<KEYTYPE>

// We could make this work by writing an adapter class which

// implemented operator< in terms of the hash function.

# error "requires hash table type"

#endif

// We don't really need iostream, but some versions of gmp.h include

// it when compiled with C++, which means that we need to include it

// before the macro magic of safe-ctype.h, which is included by

// system.h.

#include <iostream>

// Some versions of gmp.h assume that #include <iostream> will define

// std::FILE.  This is not true with libstdc++ 4.3 and later.  This is

// fixed in GMP 4.3, but at this point we don't know which version of

// GMP is in use.  Since the top level configure script accepts GMP

// 4.2, at least for now we #include <cstdio> to ensure that GMP 4.2

// will work.  FIXME: This can be removed when we require GMP 4.3 or

// later.

#include <cstdio>

#ifndef ENABLE_BUILD_WITH_CXX

extern "C"

{

#endif

#include "system.h"

#include "ansidecl.h"

#include "coretypes.h"

#include "diagnostic-core.h"    /* For error_at and friends.  */

#include "input.h"              /* For source_location.  */

#include "intl.h"               /* For _().  */

#ifndef ENABLE_BUILD_WITH_CXX

} // End extern "C"

#endif

// When using gcc, go_assert is just gcc_assert.

#define go_assert(EXPR) gcc_assert(EXPR)

// When using gcc, go_unreachable is just gcc_unreachable.

#define go_unreachable() gcc_unreachable()

#endif // !defined(GO_SYSTEM_H)