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1 // go-system.h -- Go frontend inclusion of gcc header files -*- C++ -*-
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2 // Copyright (C) 2009-2018 Free Software Foundation, Inc.
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3
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4 // This file is part of GCC.
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5
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6 // GCC is free software; you can redistribute it and/or modify it under
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7 // the terms of the GNU General Public License as published by the Free
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8 // Software Foundation; either version 3, or (at your option) any later
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9 // version.
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10
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11 // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 // for more details.
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15
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16 // You should have received a copy of the GNU General Public License
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17 // along with GCC; see the file COPYING3. If not see
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18 // <http://www.gnu.org/licenses/>.
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19
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20 #ifndef GO_SYSTEM_H
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21 #define GO_SYSTEM_H
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22
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23 #include "config.h"
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24
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25 /* Define this so that inttypes.h defines the PRI?64 macros even
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26 when compiling with a C++ compiler. Define it here so in the
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27 event inttypes.h gets pulled in by another header it is already
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28 defined. */
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29 #define __STDC_FORMAT_MACROS
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30
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31 // These must be included before the #poison declarations in system.h.
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32
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33 #include <algorithm>
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34 #include <string>
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35 #include <list>
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36 #include <map>
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37 #include <set>
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38 #include <vector>
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39 #include <sstream>
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40
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41 #if defined(HAVE_UNORDERED_MAP)
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42
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43 # include <unordered_map>
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44 # include <unordered_set>
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45
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46 # define Unordered_map(KEYTYPE, VALTYPE) \
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47 std::unordered_map<KEYTYPE, VALTYPE>
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48
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49 # define Unordered_map_hash(KEYTYPE, VALTYPE, HASHFN, EQFN) \
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50 std::unordered_map<KEYTYPE, VALTYPE, HASHFN, EQFN>
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51
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52 # define Unordered_set(KEYTYPE) \
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53 std::unordered_set<KEYTYPE>
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54
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55 # define Unordered_set_hash(KEYTYPE, HASHFN, EQFN) \
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56 std::unordered_set<KEYTYPE, HASHFN, EQFN>
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57
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58 #elif defined(HAVE_TR1_UNORDERED_MAP)
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59
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60 # include <tr1/unordered_map>
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61 # include <tr1/unordered_set>
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62
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63 # define Unordered_map(KEYTYPE, VALTYPE) \
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64 std::tr1::unordered_map<KEYTYPE, VALTYPE>
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65
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66 # define Unordered_map_hash(KEYTYPE, VALTYPE, HASHFN, EQFN) \
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67 std::tr1::unordered_map<KEYTYPE, VALTYPE, HASHFN, EQFN>
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68
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69 # define Unordered_set(KEYTYPE) \
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70 std::tr1::unordered_set<KEYTYPE>
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71
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72 # define Unordered_set_hash(KEYTYPE, HASHFN, EQFN) \
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73 std::tr1::unordered_set<KEYTYPE, HASHFN, EQFN>
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74
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75 #elif defined(HAVE_EXT_HASH_MAP)
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76
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77 # include <ext/hash_map>
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78 # include <ext/hash_set>
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79
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80 # define Unordered_map(KEYTYPE, VALTYPE) \
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81 __gnu_cxx::hash_map<KEYTYPE, VALTYPE>
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82
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83 # define Unordered_map_hash(KEYTYPE, VALTYPE, HASHFN, EQFN) \
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84 __gnu_cxx::hash_map<KEYTYPE, VALTYPE, HASHFN, EQFN>
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85
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86 # define Unordered_set(KEYTYPE) \
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87 __gnu_cxx::hash_set<KEYTYPE>
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88
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89 # define Unordered_set_hash(KEYTYPE, HASHFN, EQFN) \
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90 __gnu_cxx::hash_set<KEYTYPE, HASHFN, EQFN>
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91
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92 // Provide hash functions for strings and pointers.
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93
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94 namespace __gnu_cxx
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95 {
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96
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97 template<>
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98 struct hash<std::string>
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99 {
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100 size_t
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101 operator()(std::string s) const
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102 { return __stl_hash_string(s.c_str()); }
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103 };
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104
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105 template<typename T>
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106 struct hash<T*>
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107 {
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108 size_t
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109 operator()(T* p) const
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110 { return reinterpret_cast<size_t>(p); }
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111 };
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112
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113 }
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114
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115 #else
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116
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117 # define Unordered_map(KEYTYPE, VALTYPE) \
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118 std::map<KEYTYPE, VALTYPE>
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119
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120 # define Unordered_set(KEYTYPE) \
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121 std::set<KEYTYPE>
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122
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123 // We could make this work by writing an adapter class which
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124 // implemented operator< in terms of the hash function.
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125 # error "requires hash table type"
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126
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127 #endif
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128
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129 // We don't really need iostream, but some versions of gmp.h include
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130 // it when compiled with C++, which means that we need to include it
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131 // before the macro magic of safe-ctype.h, which is included by
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132 // system.h.
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133 #include <iostream>
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134
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135 #include "system.h"
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136 #include "ansidecl.h"
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137 #include "coretypes.h"
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138
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139 #include "diagnostic-core.h" /* For error_at and friends. */
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140 #include "intl.h" /* For _(). */
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141
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142 // When using gcc, go_assert is just gcc_assert.
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143 #define go_assert(EXPR) gcc_assert(EXPR)
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144
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145 // When using gcc, go_unreachable is just gcc_unreachable.
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146 #define go_unreachable() gcc_unreachable()
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147
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148 #endif // !defined(GO_SYSTEM_H)
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