26409c5246
This is defined in go-system.h in the backend. * go-system.h (go_assert, go_unreachable): Define. From-SVN: r172846
161 lines
4.2 KiB
C++
161 lines
4.2 KiB
C++
// go-system.h -- Go frontend inclusion of gcc header files -*- C++ -*-
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// Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
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// This file is part of GCC.
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// GCC is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 3, or (at your option) any later
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// version.
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// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// You should have received a copy of the GNU General Public License
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// along with GCC; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#ifndef GO_SYSTEM_H
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#define GO_SYSTEM_H
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#include "config.h"
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// These must be included before the #poison declarations in system.h.
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#include <algorithm>
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#include <string>
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#include <list>
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#include <map>
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#include <set>
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#include <vector>
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#if defined(HAVE_UNORDERED_MAP)
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# include <unordered_map>
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# include <unordered_set>
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# define Unordered_map(KEYTYPE, VALTYPE) \
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std::unordered_map<KEYTYPE, VALTYPE>
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# define Unordered_map_hash(KEYTYPE, VALTYPE, HASHFN, EQFN) \
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std::unordered_map<KEYTYPE, VALTYPE, HASHFN, EQFN>
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# define Unordered_set(KEYTYPE) \
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std::unordered_set<KEYTYPE>
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# define Unordered_set_hash(KEYTYPE, HASHFN, EQFN) \
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std::unordered_set<KEYTYPE, HASHFN, EQFN>
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#elif defined(HAVE_TR1_UNORDERED_MAP)
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# include <tr1/unordered_map>
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# include <tr1/unordered_set>
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# define Unordered_map(KEYTYPE, VALTYPE) \
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std::tr1::unordered_map<KEYTYPE, VALTYPE>
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# define Unordered_map_hash(KEYTYPE, VALTYPE, HASHFN, EQFN) \
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std::tr1::unordered_map<KEYTYPE, VALTYPE, HASHFN, EQFN>
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# define Unordered_set(KEYTYPE) \
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std::tr1::unordered_set<KEYTYPE>
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# define Unordered_set_hash(KEYTYPE, HASHFN, EQFN) \
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std::tr1::unordered_set<KEYTYPE, HASHFN, EQFN>
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#elif defined(HAVE_EXT_HASH_MAP)
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# include <ext/hash_map>
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# include <ext/hash_set>
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# define Unordered_map(KEYTYPE, VALTYPE) \
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__gnu_cxx::hash_map<KEYTYPE, VALTYPE>
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# define Unordered_map_hash(KEYTYPE, VALTYPE, HASHFN, EQFN) \
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__gnu_cxx::hash_map<KEYTYPE, VALTYPE, HASHFN, EQFN>
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# define Unordered_set(KEYTYPE) \
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__gnu_cxx::hash_set<KEYTYPE>
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# define Unordered_set_hash(KEYTYPE, HASHFN, EQFN) \
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__gnu_cxx::hash_set<KEYTYPE, HASHFN, EQFN>
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// Provide hash functions for strings and pointers.
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namespace __gnu_cxx
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{
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template<>
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struct hash<std::string>
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{
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size_t
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operator()(std::string s) const
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{ return __stl_hash_string(s.c_str()); }
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};
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template<typename T>
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struct hash<T*>
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{
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size_t
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operator()(T* p) const
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{ return reinterpret_cast<size_t>(p); }
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};
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}
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#else
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# define Unordered_map(KEYTYPE, VALTYPE) \
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std::map<KEYTYPE, VALTYPE>
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# define Unordered_set(KEYTYPE) \
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std::set<KEYTYPE>
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// We could make this work by writing an adapter class which
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// implemented operator< in terms of the hash function.
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# error "requires hash table type"
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#endif
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// We don't really need iostream, but some versions of gmp.h include
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// it when compiled with C++, which means that we need to include it
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// before the macro magic of safe-ctype.h, which is included by
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// system.h.
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#include <iostream>
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// Some versions of gmp.h assume that #include <iostream> will define
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// std::FILE. This is not true with libstdc++ 4.3 and later. This is
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// fixed in GMP 4.3, but at this point we don't know which version of
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// GMP is in use. Since the top level configure script accepts GMP
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// 4.2, at least for now we #include <cstdio> to ensure that GMP 4.2
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// will work. FIXME: This can be removed when we require GMP 4.3 or
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// later.
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#include <cstdio>
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#ifndef ENABLE_BUILD_WITH_CXX
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extern "C"
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{
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#endif
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#include "system.h"
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#include "ansidecl.h"
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#include "coretypes.h"
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#include "diagnostic-core.h" /* For error_at and friends. */
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#include "input.h" /* For source_location. */
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#include "intl.h" /* For _(). */
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#ifndef ENABLE_BUILD_WITH_CXX
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} // End extern "C"
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#endif
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// When using gcc, go_assert is just gcc_assert.
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#define go_assert(EXPR) gcc_assert(EXPR)
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// When using gcc, go_unreachable is just gcc_unreachable.
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#define go_unreachable() gcc_unreachable()
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#endif // !defined(GO_SYSTEM_H)
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