| 1 | // | 
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2018 University of Waterloo | 
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| 3 | // | 
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| 4 | // The contents of this file are covered under the licence agreement in the | 
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| 5 | // file "LICENCE" distributed with Cforall. | 
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| 6 | // | 
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| 7 | // prelude-gen.cc -- | 
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| 8 | // | 
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| 9 | // Author           : Rob Schluntz and Thierry Delisle | 
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| 10 | // Created On       : Sat Feb 16 08:44:58 2019 | 
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| 11 | // Last Modified By : Peter A. Buhr | 
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| 12 | // Last Modified On : Mon Feb 18 09:47:33 2019 | 
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| 13 | // Update Count     : 22 | 
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| 14 | // | 
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| 15 |  | 
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| 16 | #include <algorithm> | 
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| 17 | #include <array> | 
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| 18 | #include <iostream> | 
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| 19 | #include <string> | 
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| 20 | #include <vector> | 
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| 21 | using namespace std; | 
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| 22 |  | 
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| 23 | static struct{ | 
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| 24 | const string name; | 
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| 25 | bool isFloat; | 
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| 26 | bool hasComparison; | 
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| 27 | } basicTypes[] = { | 
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| 28 | { "char"                  , false, true , }, | 
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| 29 | { "signed char"           , false, true , }, | 
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| 30 | { "unsigned char"         , false, true , }, | 
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| 31 | { "signed short"          , false, true , }, | 
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| 32 | { "unsigned short"        , false, true , }, | 
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| 33 | { "signed int"            , false, true , }, | 
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| 34 | { "unsigned int"          , false, true , }, | 
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| 35 | { "signed long int"       , false, true , }, | 
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| 36 | { "unsigned long int"     , false, true , }, | 
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| 37 | { "signed long long int"  , false, true , }, | 
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| 38 | { "unsigned long long int", false, true , }, | 
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| 39 | { "float"                 , true , true , }, | 
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| 40 | { "double"                , true , true , }, | 
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| 41 | { "long double"           , true , true , }, | 
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| 42 | { "float _Complex"        , true , false, }, | 
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| 43 | { "double _Complex"       , true , false, }, | 
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| 44 | { "long double _Complex"  , true , false, }, | 
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| 45 | #if defined(__SIZEOF_INT128__) | 
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| 46 | { "__int128"              , false, true , }, | 
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| 47 | { "unsigned __int128"     , false, true , }, | 
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| 48 | #endif | 
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| 49 | #if defined(__i386__) || defined(__ia64__) || defined(__x86_64__) | 
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| 50 | { "__float80"             , true , true , }, | 
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| 51 | { "__float128"            , true , true , }, | 
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| 52 | #endif | 
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| 53 | }; | 
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| 54 |  | 
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| 55 | struct { | 
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| 56 | const string name; | 
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| 57 | bool assignment = false; | 
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| 58 | bool floatCompat = true; | 
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| 59 | bool isComparison = false; | 
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| 60 | bool isEqual = false; | 
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| 61 | } arithmeticOperators[] = { | 
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| 62 | { "?++"  , true , true, false, false }, | 
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| 63 | { "?--"  , true , true, false, false }, | 
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| 64 | { "++?"  , true , true, false, false }, | 
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| 65 | { "--?"  , true , true, false, false }, | 
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| 66 | { "+?"   , false, true , false, false }, | 
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| 67 | { "-?"   , false, true , false, false }, | 
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| 68 | { "~?"   , false, false, false, false }, | 
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| 69 | { "!?"   , false, true , false, true  }, | 
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| 70 | { "?*?"  , false, true , false, false }, | 
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| 71 | { "?/?"  , false, true , false, false }, | 
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| 72 | { "?%?"  , false, false, false, false }, | 
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| 73 | { "?+?"  , false, true , false, false }, | 
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| 74 | { "?-?"  , false, true , false, false }, | 
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| 75 | { "?<<?" , false, false, false, false }, | 
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| 76 | { "?>>?" , false, false, false, false }, | 
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| 77 | { "?<?"  , false, true , true , false }, | 
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| 78 | { "?<=?" , false, true , true , true  }, | 
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| 79 | { "?>?"  , false, true , true , false }, | 
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| 80 | { "?>=?" , false, true , true , true  }, | 
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| 81 | { "?==?" , false, true , false, true  }, | 
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| 82 | { "?!=?" , false, true , false, true  }, | 
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| 83 | { "?&?"  , false, false, false, false }, | 
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| 84 | { "?^?"  , false, false, false, false }, | 
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| 85 | { "?|?"  , false, false, false, false }, | 
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| 86 | { "?=?"  , true , true , false, false }, | 
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| 87 | { "?+=?" , true , true , false, false }, | 
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| 88 | { "?-=?" , true , true , false, false }, | 
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| 89 | { "?*=?" , true , true , false, false }, | 
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| 90 | { "?/=?" , true , true , false, false }, | 
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| 91 | { "?%=?" , true , false, false, false }, | 
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| 92 | { "?<<=?", true , false, false, false }, | 
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| 93 | { "?>>=?", true , false, false, false }, | 
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| 94 | { "?&=?" , true , false, false, false }, | 
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| 95 | { "?|=?" , true , false, false, false }, | 
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| 96 | { "?^=?" , true , false, false, false }, | 
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| 97 | }; | 
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| 98 |  | 
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| 99 | enum ArgType { Normal, PtrDiff, CommPtrDiff }; | 
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| 100 |  | 
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| 101 | struct { | 
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| 102 | const string name; | 
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| 103 | bool assignment = false; | 
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| 104 | string diffReturn; | 
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| 105 | ArgType diffArg2 = Normal; | 
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| 106 | string sized; | 
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| 107 | } pointerOperators[] = { | 
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| 108 | { "?++", true, "", Normal, " | sized(DT)" }, | 
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| 109 | { "?--", true, "", Normal, " | sized(DT)" }, | 
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| 110 | { "++?", true, "", Normal, " | sized(DT)" }, | 
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| 111 | { "--?", true, "", Normal, " | sized(DT)" }, | 
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| 112 | { "!?" , false, "int", Normal, "" }, | 
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| 113 | { "?<?", false, "signed int", Normal, "" }, | 
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| 114 | { "?<=?", false, "signed int", Normal, "" }, | 
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| 115 | { "?>?", false, "signed int", Normal, "" }, | 
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| 116 | { "?>=?", false, "signed int", Normal, "" }, | 
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| 117 | { "?==?", false, "signed int", Normal, "" }, | 
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| 118 | { "?!=?", false, "signed int", Normal, "" }, | 
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| 119 | { "?=?", true, "", Normal, "" }, // void * LHS, zero_t RHS ??? | 
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| 120 | { "*?", false, "&", Normal, " | sized(DT)" }, // & ??? | 
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| 121 |  | 
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| 122 | { "?-?", false, "ptrdiff_t", Normal, " | sized(DT)" }, | 
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| 123 | { "?-?", false, "", PtrDiff, " | sized(DT)" }, | 
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| 124 | { "?-=?", true, "", PtrDiff, " | sized(DT)" }, | 
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| 125 |  | 
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| 126 | { "?+?", false, "", CommPtrDiff, " | sized(DT)" }, | 
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| 127 | { "?[?]", false, "&", CommPtrDiff, " | sized(DT)" }, // & ??? | 
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| 128 | { "?+=?" , true, "", PtrDiff, " | sized(DT)" }, | 
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| 129 | }; | 
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| 130 |  | 
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| 131 | template<size_t N> | 
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| 132 | string mask2string(unsigned int mask, array<string, N> names) { | 
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| 133 | string result = ""; | 
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| 134 | int i = 0; | 
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| 135 | for(auto name : names) { | 
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| 136 | if(mask & (1 << i)) { | 
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| 137 | result += name; | 
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| 138 | } else { | 
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| 139 | result.append(name.size(), ' '); | 
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| 140 | } | 
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| 141 | i++; | 
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| 142 | } | 
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| 143 | return result; | 
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| 144 | } | 
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| 145 |  | 
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| 146 | template <typename... T> | 
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| 147 | constexpr auto make_array(T&&... values) -> | 
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| 148 | std::array< | 
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| 149 | typename std::decay<typename std::common_type<T...>::type>::type, | 
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| 150 | sizeof...(T)> | 
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| 151 | { | 
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| 152 | return std::array< | 
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| 153 | typename std::decay< | 
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| 154 | typename std::common_type<T...>::type>::type, | 
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| 155 | sizeof...(T)>{{std::forward<T>(values)...}}; | 
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| 156 | } | 
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| 157 |  | 
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| 158 | int main() { | 
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| 159 | cout << "# 2 \"prelude.cfa\"  // needed for error messages from this file" << endl; | 
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| 160 | cout << "trait sized(dtype T) {};" << endl; | 
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| 161 |  | 
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| 162 | cout << "//////////////////////////" << endl; | 
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| 163 | cout << "// Arithmetic Operators //" << endl; | 
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| 164 | cout << "//////////////////////////" << endl; | 
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| 165 | cout << endl; | 
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| 166 |  | 
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| 167 | cout << "signed int ?==?( zero_t, zero_t ),     ?!=?( zero_t, zero_t );" << endl; | 
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| 168 | cout << "signed int ?==?( one_t, one_t ),       ?!=?( one_t, one_t );" << endl; | 
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| 169 | cout << "signed int ?==?( _Bool, _Bool ),       ?!=?( _Bool, _Bool );" << endl; | 
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| 170 | cout << "signed int !?( _Bool );" << endl; | 
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| 171 |  | 
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| 172 | for (auto op : arithmeticOperators) { | 
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| 173 | for (auto type : basicTypes ) { | 
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| 174 | auto operands = count(op.name.begin(), op.name.end(), '?'); | 
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| 175 | if (! op.floatCompat && type.isFloat) continue; | 
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| 176 | if (op.isComparison && ! type.hasComparison) continue; | 
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| 177 | if (op.assignment) { | 
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| 178 | const char * qualifiers[] = { "", "volatile " }; | 
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| 179 | for (auto q : qualifiers){ | 
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| 180 | cout << type.name << " " << op.name << "("; | 
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| 181 | cout << q << type.name << " &"; | 
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| 182 | for (int i = 1; i < operands; ++i) { | 
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| 183 | cout << ", " << type.name; | 
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| 184 | } | 
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| 185 | cout << ");" << endl; | 
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| 186 | } | 
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| 187 | } else { | 
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| 188 | if (op.isComparison || op.isEqual) cout << "signed int"; | 
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| 189 | else cout << type.name; | 
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| 190 | cout << " " << op.name << "("; | 
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| 191 | for (int i = 0; i < operands; ++i) { | 
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| 192 | cout << type.name; | 
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| 193 | if ((i+1) != operands) cout << ", "; | 
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| 194 | } | 
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| 195 | cout << ");" << endl; | 
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| 196 | } | 
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| 197 | } | 
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| 198 | cout << endl; | 
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| 199 | } | 
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| 200 | cout << endl; | 
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| 201 |  | 
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| 202 | cout << "/////////////////////////////" << endl; | 
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| 203 | cout << "// Arithmetic Constructors //" << endl; | 
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| 204 | cout << "/////////////////////////////" << endl; | 
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| 205 | cout << endl; | 
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| 206 |  | 
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| 207 | auto otype = [](const std::string & type, bool do_volatile = false) { | 
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| 208 | cout << "void ?{} (" << type << " &);" << endl; | 
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| 209 | cout << "void ?{} (" << type << " &, " << type << ");" << endl; | 
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| 210 | cout << type << "  ?=? (" << type << " &, " << type << ")"; | 
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| 211 | if ( do_volatile ) { | 
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| 212 | cout << ",  ?=?(volatile " << type << " &, " << type << ")"; | 
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| 213 | } | 
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| 214 | cout << ";" << endl; | 
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| 215 | cout << "void ^?{}( " << type << " & );" << endl; | 
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| 216 | }; | 
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| 217 |  | 
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| 218 | otype("zero_t"); | 
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| 219 | otype("one_t"); | 
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| 220 | otype("_Bool", true); | 
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| 221 | cout << endl; | 
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| 222 |  | 
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| 223 | for (auto type : basicTypes) { | 
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| 224 | cout << "void ?{}(" << type.name << " &);" << endl; | 
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| 225 | cout << "void ?{}(" << type.name << " &, " << type.name << ");" << endl; | 
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| 226 | cout << "void ?{}(" << type.name << " &, zero_t);" << endl; | 
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| 227 | cout << "void ^?{}(" << type.name << " &);" << endl; | 
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| 228 | cout << endl; | 
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| 229 | } | 
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| 230 | cout << endl; | 
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| 231 |  | 
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| 232 | cout << "//////////////////////////" << endl; | 
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| 233 | cout << "// Pointer Constructors //" << endl; | 
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| 234 | cout << "//////////////////////////" << endl; | 
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| 235 | cout << endl; | 
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| 236 |  | 
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| 237 | cout << "forall(ftype FT) void ?{}( FT *&, FT * );" << endl; | 
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| 238 | cout << "forall(ftype FT) void ?{}( FT * volatile &, FT * );" << endl; | 
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| 239 |  | 
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| 240 | // generate qualifiers | 
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| 241 | vector<string> qualifiersSingle; | 
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| 242 | vector<pair<const string, const string>> qualifiersPair; | 
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| 243 | const unsigned int NQ = 2; | 
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| 244 | for(unsigned int lhs = 0; lhs < (1<<NQ); lhs++) { | 
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| 245 | // for parameter of default constructor and destructor | 
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| 246 | qualifiersSingle.push_back(mask2string(lhs, make_array("const "s, "volatile "s))); | 
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| 247 |  | 
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| 248 | // for first and second parameters of copy constructors | 
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| 249 | for(unsigned int rhs = 0; rhs < (1<<NQ); rhs++) { | 
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| 250 | if((lhs & rhs) == rhs) { | 
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| 251 | qualifiersPair.push_back({ | 
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| 252 | mask2string(lhs, make_array("const "s, "volatile "s)), | 
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| 253 | mask2string(rhs, make_array("const "s, "volatile "s)) | 
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| 254 | }); | 
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| 255 | } | 
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| 256 | } | 
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| 257 | } | 
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| 258 |  | 
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| 259 | for (auto type : { "  DT", "void" }) { | 
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| 260 | for (auto cvq : qualifiersPair) { | 
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| 261 | for (auto is_vol : { "        ", "volatile" }) { | 
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| 262 | cout << "forall(dtype DT) void ?{}(" << cvq.first << type << " * " << is_vol << " &, " << cvq.second << "DT *);" << endl; | 
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| 263 | } | 
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| 264 | } | 
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| 265 | for (auto cvq : qualifiersSingle) { | 
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| 266 | for (auto is_vol : { "        ", "volatile" }) { | 
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| 267 | cout << "forall(dtype DT) void ?{}(" << cvq << type << " * " << is_vol << " &);" << endl; | 
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| 268 | } | 
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| 269 | for (auto is_vol : { "        ", "volatile" }) { | 
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| 270 | cout << "forall(dtype DT) void ^?{}(" << cvq << type << " * " << is_vol << " &);" << endl; | 
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| 271 | } | 
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| 272 | } | 
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| 273 | } | 
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| 274 |  | 
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| 275 | { | 
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| 276 | auto type = "  DT"; | 
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| 277 | for (auto is_vol : { "        ", "volatile" }) { | 
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| 278 | for (auto cvq : qualifiersSingle) { | 
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| 279 | cout << "forall(dtype DT) void ?{}( " << cvq << type << " * " << is_vol << " &, zero_t);" << endl; | 
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| 280 | } | 
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| 281 | } | 
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| 282 | } | 
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| 283 |  | 
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| 284 | cout << endl; | 
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| 285 |  | 
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| 286 | cout << "forall(ftype FT) void  ?{}( FT *          &, zero_t ); " << endl; | 
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| 287 | cout << "forall(ftype FT) FT *                  ?=?( FT *          &, zero_t );" << endl; | 
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| 288 | cout << "forall(ftype FT) FT *                  ?=?( FT * volatile &, zero_t );" << endl; | 
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| 289 | cout << "forall( ftype FT ) void        ?{}( FT *          & );" << endl; | 
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| 290 | cout << "forall( ftype FT ) void        ^?{}( FT *         & );" << endl; | 
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| 291 | cout << endl; | 
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| 292 |  | 
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| 293 | cout << "///////////////////////" << endl; | 
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| 294 | cout << "// Pointer Operators //" << endl; | 
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| 295 | cout << "///////////////////////" << endl; | 
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| 296 |  | 
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| 297 | cout << "forall( ftype FT ) FT *                        ?=?( FT *&, FT * );" << endl; | 
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| 298 | cout << "forall( ftype FT ) FT *                        ?=?( FT * volatile &, FT * );" << endl; | 
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| 299 | cout << "forall( ftype FT ) int !?( FT * );" << endl; | 
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| 300 | cout << "forall( ftype FT ) signed int ?==?( FT *, FT * );" << endl; | 
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| 301 | cout << "forall( ftype FT ) signed int ?!=?( FT *, FT * );" << endl; | 
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| 302 | cout << "forall( ftype FT ) FT &                 *?( FT * );" << endl; | 
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| 303 |  | 
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| 304 |  | 
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| 305 | for (auto op : pointerOperators) { | 
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| 306 | auto forall = [&op]() { | 
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| 307 | cout << "forall(dtype DT" << op.sized << ") "; | 
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| 308 | }; | 
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| 309 | for (auto type : { "DT"/*, "void"*/ } ) { | 
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| 310 | auto operands = count(op.name.begin(), op.name.end(), '?'); | 
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| 311 | if (op.assignment) { | 
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| 312 | // const char * qualifiers[] = { "", "volatile ", "const ", "const volatile " }; | 
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| 313 | switch(op.diffArg2) { | 
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| 314 | case Normal: | 
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| 315 | if (operands == 1) { | 
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| 316 | for (auto q : qualifiersSingle){ | 
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| 317 | for (auto q2 : { "        ", "volatile" }) { | 
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| 318 | forall(); | 
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| 319 | cout << q << type << " * " << op.name << "("; | 
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| 320 | cout << q << type << " * " << q2 << " &"; | 
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| 321 | cout << ");" << endl; | 
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| 322 | } | 
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| 323 | } | 
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| 324 | } else { | 
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| 325 | for (auto q : qualifiersPair){ | 
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| 326 | for (auto q2 : { "        ", "volatile" }) { | 
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| 327 | forall(); | 
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| 328 | cout << q.first << type << " * " << op.name << "("; | 
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| 329 | cout << q.first << type << " * " << q2 << " &"; | 
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| 330 |  | 
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| 331 | for (int i = 1; i < operands; ++i) { | 
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| 332 | cout << ", " << q.second << type << " *"; | 
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| 333 | } | 
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| 334 | cout << ");" << endl; | 
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| 335 | } | 
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| 336 | } | 
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| 337 | } | 
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| 338 | break; | 
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| 339 | case PtrDiff: | 
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| 340 | for (auto q : qualifiersSingle){ | 
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| 341 | for (auto q2 : { "        ", "volatile" }) { | 
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| 342 | forall(); | 
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| 343 | cout << q << type << " * " << op.name << "("; | 
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| 344 | cout << q << type << " * " << q2 << " &"; | 
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| 345 |  | 
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| 346 | for (int i = 1; i < operands; ++i) { | 
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| 347 | cout << ", ptrdiff_t"; | 
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| 348 | } | 
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| 349 | cout << ");" << endl; | 
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| 350 | } | 
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| 351 | } | 
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| 352 | break; | 
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| 353 | default: | 
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| 354 | abort(); | 
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| 355 | } | 
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| 356 | } else { | 
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| 357 | auto name_and_arg1 = [&op, &type](const std::string & q) { | 
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| 358 | if (op.diffReturn == "&") cout << q << type << " &"; // -- qualifiers | 
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| 359 | else if (op.diffReturn != "") cout << op.diffReturn; | 
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| 360 | else cout << q << type << " *"; | 
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| 361 | cout << " " << op.name << "("; | 
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| 362 | }; | 
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| 363 | switch(op.diffArg2) { | 
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| 364 | case Normal: | 
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| 365 | for (auto q : qualifiersSingle) { | 
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| 366 | forall(); | 
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| 367 | name_and_arg1( q ); | 
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| 368 | for (int i = 0; i < operands; ++i) { | 
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| 369 | cout << q << type << " *"; | 
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| 370 | if ((i+1) != operands) cout << ", "; | 
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| 371 | } | 
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| 372 | cout << ");" << endl; | 
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| 373 | } | 
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| 374 | break; | 
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| 375 | case CommPtrDiff: | 
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| 376 | for (auto q : qualifiersSingle) { | 
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| 377 | forall(); | 
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| 378 | name_and_arg1( q ); | 
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| 379 | cout << "ptrdiff_t, " << q << type << " *);" << endl; | 
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| 380 | } | 
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| 381 | // fallthrough | 
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| 382 | case PtrDiff: | 
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| 383 | for (auto q : qualifiersSingle) { | 
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| 384 | forall(); | 
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| 385 | name_and_arg1( q ); | 
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| 386 | cout << q << type << " *, ptrdiff_t);" << endl; | 
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| 387 | } | 
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| 388 | break; | 
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| 389 | } | 
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| 390 | } | 
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| 391 | } | 
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| 392 | cout << endl; | 
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| 393 | } | 
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| 394 | cout << endl; | 
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| 395 |  | 
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| 396 | for (auto is_vol : { "        ", "volatile" }) { | 
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| 397 | for (auto cvq : qualifiersPair) { | 
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| 398 | cout << "forall(dtype DT) " << cvq.first << "void * ?=?( " << cvq.first << "void * " << is_vol << " &, " << cvq.second << "DT *);" << endl; | 
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| 399 | } | 
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| 400 | for (auto cvq : qualifiersSingle) { | 
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| 401 | cout << "forall(dtype DT) " << cvq <<   "  DT * ?=?( " << cvq << "  DT * " << is_vol << " &, zero_t);" << endl; | 
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| 402 | } | 
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| 403 | } | 
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| 404 | cout << endl; | 
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| 405 | } | 
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| 406 |  | 
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| 407 | // Local Variables: // | 
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| 408 | // tab-width: 4 // | 
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| 409 | // End: // | 
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