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 : Tue Mar 19 08:19:35 2019 |
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13 | // Update Count : 28 |
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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 | cout << endl; |
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220 | otype("one_t"); |
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221 | cout << endl; |
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222 | otype("_Bool", true); |
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223 | cout << endl; |
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224 | |
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225 | for (auto type : basicTypes) { |
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226 | cout << "void ?{}(" << type.name << " &);" << endl; |
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227 | cout << "void ?{}(" << type.name << " &, " << type.name << ");" << endl; |
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228 | cout << "void ?{}(" << type.name << " &, zero_t);" << endl; |
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229 | cout << "void ?{}(" << type.name << " &, one_t);" << endl; |
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230 | cout << "void ^?{}(" << type.name << " &);" << endl; |
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231 | cout << endl; |
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232 | } |
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233 | cout << endl; |
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234 | |
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235 | cout << "//////////////////////////" << endl; |
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236 | cout << "// Pointer Constructors //" << endl; |
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237 | cout << "//////////////////////////" << endl; |
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238 | cout << endl; |
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239 | |
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240 | cout << "forall(ftype FT) void ?{}( FT *&, FT * );" << endl; |
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241 | cout << "forall(ftype FT) void ?{}( FT * volatile &, FT * );" << endl; |
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242 | |
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243 | // generate qualifiers |
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244 | vector<string> qualifiersSingle; |
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245 | vector<pair<const string, const string>> qualifiersPair; |
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246 | const unsigned int NQ = 2; |
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247 | for(unsigned int lhs = 0; lhs < (1<<NQ); lhs++) { |
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248 | // for parameter of default constructor and destructor |
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249 | qualifiersSingle.push_back(mask2string(lhs, make_array("const "s, "volatile "s))); |
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250 | |
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251 | // for first and second parameters of copy constructors |
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252 | for(unsigned int rhs = 0; rhs < (1<<NQ); rhs++) { |
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253 | if((lhs & rhs) == rhs) { |
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254 | qualifiersPair.push_back({ |
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255 | mask2string(lhs, make_array("const "s, "volatile "s)), |
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256 | mask2string(rhs, make_array("const "s, "volatile "s)) |
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257 | }); |
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258 | } |
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259 | } |
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260 | } |
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261 | |
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262 | for (auto type : { " DT", "void" }) { |
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263 | for (auto cvq : qualifiersPair) { |
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264 | for (auto is_vol : { " ", "volatile" }) { |
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265 | cout << "forall(dtype DT) void ?{}(" << cvq.first << type << " * " << is_vol << " &, " << cvq.second << "DT *);" << endl; |
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266 | } |
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267 | } |
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268 | for (auto cvq : qualifiersSingle) { |
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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 | for (auto is_vol : { " ", "volatile" }) { |
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273 | cout << "forall(dtype DT) void ^?{}(" << cvq << type << " * " << is_vol << " &);" << endl; |
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274 | } |
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275 | } |
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276 | } |
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277 | |
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278 | { |
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279 | auto type = " DT"; |
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280 | for (auto is_vol : { " ", "volatile" }) { |
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281 | for (auto cvq : qualifiersSingle) { |
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282 | cout << "forall(dtype DT) void ?{}( " << cvq << type << " * " << is_vol << " &, zero_t);" << endl; |
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283 | } |
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284 | } |
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285 | } |
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286 | |
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287 | cout << endl; |
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288 | |
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289 | cout << "forall(ftype FT) void ?{}( FT * &, zero_t ); " << endl; |
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290 | cout << "forall(ftype FT) FT * ?=?( FT * &, zero_t );" << endl; |
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291 | cout << "forall(ftype FT) FT * ?=?( FT * volatile &, zero_t );" << endl; |
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292 | cout << "forall(ftype FT) void ?{}( FT * & );" << endl; |
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293 | cout << "forall(ftype FT) void ^?{}( FT * & );" << endl; |
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294 | cout << endl; |
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295 | |
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296 | cout << "///////////////////////" << endl; |
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297 | cout << "// Pointer Operators //" << endl; |
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298 | cout << "///////////////////////" << endl; |
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299 | |
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300 | cout << "forall(ftype FT) FT * ?=?( FT *&, FT * );" << endl; |
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301 | cout << "forall(ftype FT) FT * ?=?( FT * volatile &, FT * );" << endl; |
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302 | cout << "forall(ftype FT) int !?( FT * );" << endl; |
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303 | cout << "forall(ftype FT) signed int ?==?( FT *, FT * );" << endl; |
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304 | cout << "forall(ftype FT) signed int ?!=?( FT *, FT * );" << endl; |
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305 | cout << "forall(ftype FT) FT & *?( FT * );" << endl; |
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306 | |
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307 | for (auto op : pointerOperators) { |
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308 | auto forall = [&op]() { |
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309 | cout << "forall(dtype DT" << op.sized << ") "; |
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310 | }; |
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311 | for (auto type : { "DT"/*, "void"*/ } ) { |
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312 | auto operands = count(op.name.begin(), op.name.end(), '?'); |
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313 | if (op.assignment) { |
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314 | // const char * qualifiers[] = { "", "volatile ", "const ", "const volatile " }; |
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315 | switch(op.diffArg2) { |
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316 | case Normal: |
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317 | if (operands == 1) { |
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318 | for (auto q : qualifiersSingle){ |
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319 | for (auto q2 : { " ", "volatile" }) { |
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320 | forall(); |
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321 | cout << q << type << " * " << op.name << "("; |
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322 | cout << q << type << " * " << q2 << " &"; |
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323 | cout << ");" << endl; |
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324 | } |
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325 | } |
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326 | } else { |
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327 | for (auto q : qualifiersPair){ |
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328 | for (auto q2 : { " ", "volatile" }) { |
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329 | forall(); |
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330 | cout << q.first << type << " * " << op.name << "("; |
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331 | cout << q.first << type << " * " << q2 << " &"; |
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332 | |
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333 | for (int i = 1; i < operands; ++i) { |
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334 | cout << ", " << q.second << type << " *"; |
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335 | } |
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336 | cout << ");" << endl; |
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337 | } |
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338 | } |
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339 | } |
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340 | break; |
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341 | case PtrDiff: |
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342 | for (auto q : qualifiersSingle){ |
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343 | for (auto q2 : { " ", "volatile" }) { |
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344 | forall(); |
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345 | cout << q << type << " * " << op.name << "("; |
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346 | cout << q << type << " * " << q2 << " &"; |
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347 | |
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348 | for (int i = 1; i < operands; ++i) { |
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349 | cout << ", ptrdiff_t"; |
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350 | } |
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351 | cout << ");" << endl; |
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352 | } |
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353 | } |
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354 | break; |
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355 | default: |
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356 | abort(); |
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357 | } |
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358 | } else { |
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359 | auto name_and_arg1 = [&op, &type](const std::string & q) { |
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360 | if (op.diffReturn == "&") cout << q << type << " &"; // -- qualifiers |
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361 | else if (op.diffReturn != "") cout << op.diffReturn; |
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362 | else cout << q << type << " *"; |
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363 | cout << " " << op.name << "("; |
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364 | }; |
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365 | switch(op.diffArg2) { |
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366 | case Normal: |
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367 | for (auto q : qualifiersSingle) { |
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368 | forall(); |
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369 | name_and_arg1( q ); |
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370 | for (int i = 0; i < operands; ++i) { |
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371 | cout << q << type << " *"; |
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372 | if ((i+1) != operands) cout << ", "; |
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373 | } |
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374 | cout << ");" << endl; |
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375 | } |
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376 | break; |
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377 | case CommPtrDiff: |
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378 | for (auto q : qualifiersSingle) { |
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379 | forall(); |
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380 | name_and_arg1( q ); |
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381 | cout << "ptrdiff_t, " << q << type << " *);" << endl; |
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382 | } |
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383 | // fallthrough |
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384 | case PtrDiff: |
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385 | for (auto q : qualifiersSingle) { |
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386 | forall(); |
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387 | name_and_arg1( q ); |
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388 | cout << q << type << " *, ptrdiff_t);" << endl; |
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389 | } |
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390 | break; |
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391 | } |
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392 | } |
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393 | } |
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394 | cout << endl; |
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395 | } |
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396 | cout << endl; |
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397 | |
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398 | for (auto is_vol : { " ", "volatile" }) { |
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399 | for (auto cvq : qualifiersPair) { |
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400 | cout << "forall(dtype DT) " << cvq.first << "void * ?=?( " << cvq.first << "void * " << is_vol << " &, " << cvq.second << "DT *);" << endl; |
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401 | } |
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402 | for (auto cvq : qualifiersSingle) { |
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403 | cout << "forall(dtype DT) " << cvq << " DT * ?=?( " << cvq << " DT * " << is_vol << " &, zero_t);" << endl; |
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404 | } |
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405 | } |
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406 | cout << endl; |
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407 | } |
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408 | |
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409 | // Local Variables: // |
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410 | // tab-width: 4 // |
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411 | // End: // |
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