1 | #include <algorithm> |
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2 | #include <queue> |
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3 | #include <iostream> |
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4 | #include <iomanip> |
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5 | #include <fstream> |
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6 | #include <utility> |
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7 | #include <string> |
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8 | using namespace std; |
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9 | #include <assert.h> |
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10 | #include <string.h> // strlen |
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11 | #include "config.h" // configure info |
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12 | |
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13 | enum Kind { |
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14 | Bool, |
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15 | Char, |
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16 | SignedChar, |
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17 | UnsignedChar, |
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18 | ShortSignedInt, |
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19 | ShortUnsignedInt, |
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20 | SignedInt, |
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21 | UnsignedInt, |
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22 | LongSignedInt, |
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23 | LongUnsignedInt, |
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24 | LongLongSignedInt, |
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25 | LongLongUnsignedInt, |
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26 | SignedInt128, |
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27 | UnsignedInt128, |
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28 | uFloat16, |
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29 | uFloat16Complex, |
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30 | uFloat32, |
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31 | uFloat32Complex, |
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32 | Float, |
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33 | FloatComplex, |
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34 | // FloatImaginary, |
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35 | uFloat32x, |
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36 | uFloat32xComplex, |
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37 | uFloat64, |
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38 | uFloat64Complex, |
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39 | Double, |
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40 | DoubleComplex, |
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41 | // DoubleImaginary, |
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42 | uFloat64x, |
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43 | uFloat64xComplex, |
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44 | uuFloat80, |
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45 | uFloat128, |
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46 | uFloat128Complex, |
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47 | uuFloat128, |
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48 | LongDouble, |
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49 | LongDoubleComplex, |
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50 | // LongDoubleImaginary, |
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51 | uFloat128x, |
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52 | uFloat128xComplex, |
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53 | NUMBER_OF_BASIC_TYPES |
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54 | }; |
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55 | |
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56 | enum NumSort { // floating point types act as both signed and unsigned |
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57 | Signed = 0x1, |
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58 | Unsigned = 0x2, |
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59 | Floating = 0x3 |
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60 | }; |
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61 | |
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62 | struct Node { |
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63 | Kind basicType; // basic type |
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64 | const char * name; // basic-type name |
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65 | const char * abbrev; // internal abbreviation (documentation only) |
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66 | const char * type; // actual type name |
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67 | const char * mangled; // mangled abbreviation |
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68 | NumSort sign; // is this a signed integral type? |
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69 | int left, middle, right; // 3-ary tree, -1 => nullptr |
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70 | int rank; // integral rank (C standard 6.3.1.1.1, extended) |
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71 | } graph[NUMBER_OF_BASIC_TYPES] = { |
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72 | { Bool, "Bool", "B", "_Bool", "b", Signed, Char, SignedChar, -1, 0 }, // root |
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73 | |
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74 | { Char, "Char", "C", "char", "c", Signed, SignedChar, UnsignedChar, ShortSignedInt, 1 }, |
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75 | { SignedChar, "SignedChar", "SC", "signed char", "a", Signed, UnsignedChar, ShortSignedInt, -1, 1 }, |
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76 | { UnsignedChar, "UnsignedChar", "UC", "unsigned char", "h", Unsigned, ShortUnsignedInt, ShortSignedInt, -1, 1 }, |
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77 | |
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78 | { ShortSignedInt, "ShortSignedInt", "SI", "signed short int", "s", Signed, ShortUnsignedInt, SignedInt, -1, 2 }, |
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79 | { ShortUnsignedInt, "ShortUnsignedInt", "SUI", "unsigned short int", "t", Unsigned, UnsignedInt, SignedInt, -1, 2 }, |
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80 | |
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81 | { SignedInt, "SignedInt", "I", "signed int", "i", Signed, UnsignedInt, LongSignedInt, -1, 3 }, |
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82 | { UnsignedInt, "UnsignedInt", "UI", "unsigned int", "j", Unsigned, LongUnsignedInt, LongSignedInt, -1, 3 }, |
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83 | |
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84 | { LongSignedInt, "LongSignedInt", "LI", "signed long int", "l", Signed, LongUnsignedInt, LongLongSignedInt, -1, 4 }, |
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85 | { LongUnsignedInt, "LongUnsignedInt", "LUI", "unsigned long int", "m", Unsigned, LongLongSignedInt, LongLongUnsignedInt, -1, 4 }, |
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86 | |
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87 | { LongLongSignedInt, "LongLongSignedInt", "LLI", "signed long long int", "x", Signed, LongLongUnsignedInt, SignedInt128, -1, 5 }, |
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88 | { LongLongUnsignedInt, "LongLongUnsignedInt", "LLUI", "unsigned long long int", "y", Unsigned, SignedInt128, UnsignedInt128, -1, 5 }, |
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89 | |
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90 | { SignedInt128, "SignedInt128", "IB", "__int128", "n", Signed, UnsignedInt128, uFloat16, -1, 6 }, |
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91 | { UnsignedInt128, "UnsignedInt128", "UIB", "unsigned __int128", "o", Unsigned, uFloat16, -1, -1, 6 }, |
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92 | |
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93 | { uFloat16, "uFloat16", "_FH", "_Float16", "DF16_", Floating, uFloat32, uFloat16Complex, -1, 7 }, |
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94 | { uFloat16Complex, "uFloat16Complex", "_FH", "_Float16 _Complex", "CDF16_", Floating, uFloat32Complex, -1, -1, 7 }, |
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95 | { uFloat32, "uFloat32", "_F", "_Float32", "DF32_", Floating, Float, uFloat32Complex, -1, 8 }, |
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96 | { uFloat32Complex, "uFloat32Complex", "_FC", "_Float32 _Complex", "CDF32_", Floating, FloatComplex, -1, -1, 8 }, |
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97 | { Float, "Float", "F", "float", "f", Floating, uFloat32x, FloatComplex, -1, 9 }, |
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98 | { FloatComplex, "FloatComplex", "FC", "float _Complex", "Cf", Floating, uFloat32xComplex, -1, -1, 9 }, |
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99 | // { FloatImaginary, "FloatImaginary", "FI", "float _Imaginary", "If", false, DoubleImaginary, FloatComplex, -1, 9 }, |
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100 | |
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101 | { uFloat32x, "uFloat32x", "_FX", "_Float32x", "DF32x_", Floating, uFloat64, uFloat32xComplex, -1, 10 }, |
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102 | { uFloat32xComplex, "uFloat32xComplex", "_FXC", "_Float32x _Complex", "CDF32x_", Floating, uFloat64Complex, -1, -1, 10 }, |
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103 | { uFloat64, "uFloat64", "FD", "_Float64", "DF64_", Floating, Double, uFloat64Complex, -1, 11 }, |
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104 | { uFloat64Complex, "uFloat64Complex", "_FDC", "_Float64 _Complex", "CDF64_", Floating, DoubleComplex, -1, -1, 11 }, |
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105 | { Double, "Double", "D", "double", "d", Floating, uFloat64x, DoubleComplex, -1, 12 }, |
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106 | { DoubleComplex, "DoubleComplex", "DC", "double _Complex", "Cd", Floating, uFloat64xComplex, -1, -1, 12 }, |
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107 | // { DoubleImaginary, "DoubleImaginary", "DI", "double _Imaginary", "Id", false, LongDoubleImaginary, DoubleComplex, -1, 12 }, |
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108 | |
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109 | { uFloat64x, "uFloat64x", "F80X", "_Float64x", "DF64x_", Floating, uuFloat80, uFloat64xComplex, -1, 13 }, |
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110 | { uFloat64xComplex, "uFloat64xComplex", "_FDXC", "_Float64x _Complex", "CDF64x_", Floating, uFloat128Complex, -1, -1, 13 }, |
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111 | { uuFloat80, "uuFloat80", "F80", "__float80", "Dq", Floating, uFloat128, uFloat64xComplex, -1, 14 }, |
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112 | { uFloat128, "uFloat128", "_FB", "_Float128", "DF128_", Floating, uuFloat128, uFloat128Complex, -1, 15 }, |
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113 | { uFloat128Complex, "uFloat128Complex", "_FLDC", "_Float128 _Complex", "CDF128_", Floating, LongDoubleComplex, -1, -1, 15 }, |
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114 | { uuFloat128, "uuFloat128", "FB", "__float128", "g", Floating, LongDouble, uFloat128Complex, -1, 16 }, |
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115 | { LongDouble, "LongDouble", "LD", "long double", "e", Floating, uFloat128x, LongDoubleComplex, -1, 17 }, |
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116 | { LongDoubleComplex, "LongDoubleComplex", "LDC", "long double _Complex", "Ce", Floating, uFloat128xComplex, -1, -1, 17 }, |
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117 | // { LongDoubleImaginary, "LongDoubleImaginary", "LDI", "long double _Imaginary", "Ie", false, LongDoubleComplex, -1, -1, 17 }, |
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118 | |
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119 | { uFloat128x, "uFloat128x", "_FBX", "_Float128x", "DF128x_", Floating, uFloat128xComplex, -1, -1, 18 }, |
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120 | { uFloat128xComplex, "uFloat128xComplex", "_FLDXC", "_Float128x _Complex", "CDF128x_", Floating, -1, -1, -1, 18 } |
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121 | }; // graph |
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122 | |
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123 | static int costMatrix[NUMBER_OF_BASIC_TYPES][NUMBER_OF_BASIC_TYPES]; |
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124 | static int signMatrix[NUMBER_OF_BASIC_TYPES][NUMBER_OF_BASIC_TYPES]; |
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125 | static Kind commonTypeMatrix[NUMBER_OF_BASIC_TYPES][NUMBER_OF_BASIC_TYPES]; |
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126 | |
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127 | void generateCosts( int row ) { |
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128 | bool seen[NUMBER_OF_BASIC_TYPES] = { false /*, ... */ }; |
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129 | |
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130 | struct el_cost { |
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131 | int i; |
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132 | int path; |
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133 | int sign; |
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134 | |
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135 | el_cost( int i = 0, int p = 0, int s = 0 ) : i(i), path(p), sign(s) {} |
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136 | |
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137 | // reverse the sense for use in largest-on-top priority queue |
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138 | bool operator< (const el_cost& o) const { |
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139 | return path > o.path || (path == o.path && sign > o.sign); |
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140 | } |
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141 | }; |
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142 | |
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143 | // initialize BFS queue with root of traversal |
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144 | priority_queue< el_cost > q; |
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145 | q.emplace( row, 0, 0 ); |
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146 | |
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147 | // BFS costs |
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148 | do { |
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149 | // visit cost element |
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150 | int col = q.top().i; |
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151 | // skip if already set |
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152 | if ( seen[col] ) { |
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153 | q.pop(); |
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154 | continue; |
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155 | } else { |
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156 | seen[col] = true; |
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157 | } // if |
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158 | |
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159 | // otherwise set min-costs into matrix |
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160 | int cost = q.top().path; |
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161 | int scost = q.top().sign; |
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162 | costMatrix[row][col] = cost; |
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163 | signMatrix[row][col] = scost; |
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164 | q.pop(); |
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165 | |
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166 | // traverse children |
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167 | int i = graph[col].left; |
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168 | if ( i == -1 ) continue; |
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169 | q.emplace( i, cost + 1, scost + ! (graph[col].sign & graph[i].sign) ); |
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170 | |
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171 | i = graph[col].middle; |
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172 | if ( i == -1 ) continue; |
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173 | q.emplace( i, cost + 1, scost + !(graph[col].sign & graph[i].sign) ); |
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174 | |
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175 | i = graph[col].right; |
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176 | if ( i == -1 ) continue; |
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177 | q.emplace( i, cost + 1, scost + !(graph[col].sign & graph[i].sign) ); |
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178 | } while ( ! q.empty() ); |
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179 | } // generateCosts |
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180 | |
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181 | void generateCommonType( int row, int col ) { // row <= col |
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182 | if ( costMatrix[row][col] >= 0 ) { |
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183 | // safe conversion from row => col |
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184 | commonTypeMatrix[row][col] = commonTypeMatrix[col][row] = graph[col].basicType; |
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185 | } else if ( costMatrix[col][row] >= 0 ) { |
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186 | // safe conversion from col => row |
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187 | commonTypeMatrix[row][col] = commonTypeMatrix[col][row] = graph[row].basicType; |
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188 | } else { |
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189 | // need to find least common ancestor |
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190 | // can cheat a bit here, in that there is always a direct ancestor of the later (col) element |
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191 | int i = graph[col].left; |
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192 | if ( i == -1 ) assert("invalid ancestor assumption"); |
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193 | if ( costMatrix[row][i] >= 0 ) { |
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194 | commonTypeMatrix[row][col] = commonTypeMatrix[col][row] = graph[i].basicType; |
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195 | return; |
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196 | } // if |
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197 | |
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198 | i = graph[col].middle; |
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199 | if ( i == -1 ) assert("invalid ancestor assumption"); |
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200 | if ( costMatrix[row][i] >= 0 ) { |
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201 | commonTypeMatrix[row][col] = commonTypeMatrix[col][row] = graph[i].basicType; |
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202 | return; |
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203 | } // if |
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204 | |
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205 | i = graph[col].right; |
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206 | if ( i == -1 ) assert("invalid ancestor assumption"); |
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207 | if ( costMatrix[row][i] >= 0 ) { |
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208 | commonTypeMatrix[row][col] = commonTypeMatrix[col][row] = graph[i].basicType; |
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209 | return; |
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210 | } // if |
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211 | |
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212 | assert("invalid ancestor assumption"); |
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213 | } // if |
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214 | } // generateCommonType |
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215 | |
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216 | void resetInput( fstream & file, const char * filename, stringstream & buffer, stringstream & code, string & str ) { |
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217 | file.close(); |
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218 | buffer.str( "" ); |
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219 | code.str( "" ); |
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220 | file.open( filename, fstream::in ); |
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221 | if ( file.fail() ) { |
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222 | cout << "Internal error, could not open " << filename << " for input." << endl; |
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223 | abort(); |
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224 | } // if |
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225 | buffer << file.rdbuf(); |
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226 | str = buffer.str(); |
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227 | } // resetInput |
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228 | |
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229 | void output( fstream & file, const char * filename, stringstream & code ) { |
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230 | file.close(); |
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231 | file.open( filename, fstream::out ); |
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232 | if ( file.fail() ) { |
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233 | cout << "Internal error, could not open " << filename << " for output." << endl; |
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234 | abort(); |
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235 | } // if |
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236 | file << code.rdbuf(); // overwrite file |
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237 | } // output |
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238 | |
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239 | void Abort( const char * kind, const char * file ) { |
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240 | cerr << "Internal error, could not find " << kind << " of generated code for " << file << endl; |
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241 | } // Abort |
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242 | |
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243 | int main() { |
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244 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { // initialization |
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245 | for ( int c = 0; c < NUMBER_OF_BASIC_TYPES; c += 1 ) { |
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246 | costMatrix[r][c] = -1; |
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247 | signMatrix[r][c] = -1; |
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248 | commonTypeMatrix[r][c] = NUMBER_OF_BASIC_TYPES; |
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249 | } // for |
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250 | } // for |
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251 | |
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252 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { // perform breath-first traversal to generate cost graph |
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253 | generateCosts(r); |
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254 | } // for |
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255 | |
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256 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { // use cost graph to find nearest-common-ancestor |
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257 | for (int c = r; c < NUMBER_OF_BASIC_TYPES; c += 1 ) { |
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258 | generateCommonType(r, c); |
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259 | } // for |
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260 | } // for |
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261 | |
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262 | #define STARTMK "// GENERATED START, DO NOT EDIT" |
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263 | #define ENDMK "// GENERATED END" |
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264 | string BYMK( __FILE__ ); |
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265 | string::size_type posn = BYMK.find_last_of( "/" ); |
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266 | if ( posn != string::npos ) BYMK.erase( 0, posn - 1); // remove directories |
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267 | BYMK = "// GENERATED BY " + BYMK; |
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268 | |
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269 | fstream file; |
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270 | stringstream buffer, code; |
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271 | string str; |
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272 | size_t start, end; |
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273 | |
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274 | |
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275 | #define TypeH TOP_SRCDIR "src/SynTree/Type.h" |
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276 | resetInput( file, TypeH, buffer, code, str ); |
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277 | |
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278 | if ( (start = str.find( STARTMK )) == string::npos ) Abort( "start", TypeH ); |
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279 | start += sizeof( STARTMK ); // includes newline |
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280 | code << str.substr( 0, start ); |
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281 | |
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282 | code << "\t" << BYMK << endl; |
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283 | code << "\tenum Kind {" << endl; |
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284 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { |
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285 | code << "\t\t" << graph[r].name << "," << endl; |
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286 | } // for |
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287 | code << "\t\tNUMBER_OF_BASIC_TYPES" << endl; |
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288 | code << "\t} kind;" << endl; |
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289 | code << "\t"; // indentation for end marker |
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290 | |
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291 | if ( (start = str.find( ENDMK, start + 1 )) == string::npos ) Abort( "end", TypeH ); |
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292 | code << str.substr( start ); |
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293 | |
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294 | output( file, TypeH, code ); |
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295 | // cout << code.str(); |
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296 | |
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297 | |
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298 | #define TypeC TOP_SRCDIR "src/SynTree/Type.cc" |
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299 | resetInput( file, TypeC, buffer, code, str ); |
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300 | |
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301 | if ( (start = str.find( STARTMK )) == string::npos ) Abort( "start", TypeC ); |
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302 | start += sizeof( STARTMK ); // includes newline |
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303 | code << str.substr( 0, start ); |
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304 | |
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305 | code << BYMK << endl; |
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306 | code << "const char * BasicType::typeNames[] = {" << endl; |
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307 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { |
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308 | code << "\t\"" << graph[r].type << "\"," << endl; |
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309 | } // for |
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310 | code << "};" << endl; |
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311 | |
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312 | if ( (start = str.find( ENDMK, start + 1 )) == string::npos ) Abort( "end", TypeC ); |
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313 | code << str.substr( start ); |
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314 | |
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315 | output( file, TypeC, code ); |
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316 | // cout << code.str(); |
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317 | |
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318 | |
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319 | // TEMPORARY DURING CHANGE OVER |
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320 | #define TypeH_AST TOP_SRCDIR "src/AST/Type.hpp" |
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321 | resetInput( file, TypeH_AST, buffer, code, str ); |
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322 | |
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323 | if ( (start = str.find( STARTMK )) == string::npos ) Abort( "start", TypeH_AST ); |
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324 | start += sizeof( STARTMK ); // includes newline |
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325 | code << str.substr( 0, start ); |
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326 | |
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327 | code << "\t" << BYMK << endl; |
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328 | code << "\tenum Kind {" << endl; |
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329 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { |
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330 | code << "\t\t" << graph[r].name << "," << endl; |
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331 | } // for |
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332 | code << "\t\tNUMBER_OF_BASIC_TYPES" << endl; |
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333 | code << "\t} kind;" << endl; |
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334 | code << "\t"; // indentation for end marker |
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335 | |
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336 | if ( (start = str.find( ENDMK, start + 1 )) == string::npos ) Abort( "end", TypeH_AST ); |
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337 | code << str.substr( start ); |
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338 | |
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339 | output( file, TypeH_AST, code ); |
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340 | // cout << code.str(); |
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341 | |
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342 | |
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343 | #define TypeC_AST TOP_SRCDIR "src/AST/Type.cpp" |
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344 | resetInput( file, TypeC_AST, buffer, code, str ); |
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345 | |
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346 | if ( (start = str.find( STARTMK )) == string::npos ) Abort( "start", TypeC_AST ); |
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347 | start += sizeof( STARTMK ); // includes newline |
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348 | code << str.substr( 0, start ); |
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349 | |
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350 | code << BYMK << endl; |
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351 | code << "const char * BasicType::typeNames[] = {" << endl; |
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352 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { |
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353 | code << "\t\"" << graph[r].type << "\"," << endl; |
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354 | } // for |
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355 | code << "};" << endl; |
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356 | |
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357 | if ( (start = str.find( ENDMK, start + 1 )) == string::npos ) Abort( "end", TypeC_AST ); |
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358 | code << str.substr( start ); |
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359 | |
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360 | output( file, TypeC_AST, code ); |
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361 | // cout << code.str(); |
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362 | |
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363 | |
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364 | #define ConversionCost TOP_SRCDIR "src/ResolvExpr/ConversionCost.cc" |
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365 | resetInput( file, ConversionCost, buffer, code, str ); |
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366 | |
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367 | if ( (start = str.find( STARTMK )) == string::npos ) Abort( "start", ConversionCost ); |
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368 | start += sizeof( STARTMK ); // includes newline |
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369 | code << str.substr( 0, start ); |
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370 | |
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371 | code << "\t" << BYMK << endl; |
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372 | code << "\t/* EXTENDED INTEGRAL RANK HIERARCHY (root to leaves)" << endl; |
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373 | for ( int c = 0; c < NUMBER_OF_BASIC_TYPES; c += 1 ) { |
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374 | code << '\t' << left; |
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375 | if ( graph[c].rank != graph[c + 1].rank ) { |
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376 | code << right << setw(30) << graph[c].type << left; |
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377 | } else if ( graph[c].rank != graph[c + 2].rank ) { |
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378 | code << string( 10, ' ' ) << setw(25) << graph[c].type << graph[c + 1].type; |
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379 | c += 1; |
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380 | } else { |
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381 | code << setw(20) << graph[c].type << setw(20) << graph[c + 1].type << graph[c + 2].type; |
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382 | c += 2; |
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383 | } // if |
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384 | code << endl; |
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385 | } // for |
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386 | code << right << "\t*/" << endl; |
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387 | code << "\t"; // indentation for end marker |
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388 | |
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389 | if ( (start = str.find( ENDMK, start + 1 )) == string::npos ) Abort( "end", ConversionCost ); |
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390 | if ( (end = str.find( STARTMK, start + 1 )) == string::npos ) Abort( "start", ConversionCost ); |
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391 | end += sizeof( STARTMK ); |
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392 | code << str.substr( start, end - start ); |
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393 | |
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394 | code << "\t" << BYMK << endl; |
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395 | code << "\tstatic const int costMatrix[BasicType::NUMBER_OF_BASIC_TYPES][BasicType::NUMBER_OF_BASIC_TYPES] = { // path length from root to node" << endl |
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396 | << "\t\t/* "; |
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397 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { // titles |
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398 | code << setw(5) << graph[r].abbrev; |
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399 | } // for |
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400 | code << " */" << endl; |
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401 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { // costs |
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402 | code << "\t\t/* " << setw(6) << graph[r].abbrev << " */ {"; |
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403 | for ( int c = 0; c < NUMBER_OF_BASIC_TYPES; c += 1 ) { |
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404 | code << setw(4) << costMatrix[r][c] << ","; |
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405 | } // for |
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406 | code << " }," << endl; |
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407 | } // for |
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408 | code << "\t}; // costMatrix" << endl; |
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409 | |
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410 | // maximum conversion cost from int |
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411 | code << "\tstatic const int maxIntCost = " << *max_element(costMatrix[SignedInt], costMatrix[SignedInt] + NUMBER_OF_BASIC_TYPES) << ";" << endl; |
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412 | code << "\t"; // indentation for end marker |
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413 | |
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414 | if ( (start = str.find( ENDMK, start + 1 )) == string::npos ) Abort( "end", ConversionCost ); |
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415 | if ( (end = str.find( STARTMK, start + 1 )) == string::npos ) Abort( "start", ConversionCost ); |
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416 | end += sizeof( STARTMK ); |
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417 | code << str.substr( start, end - start ); |
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418 | |
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419 | code << "\t" << BYMK << endl; |
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420 | code << "\tstatic const int signMatrix[BasicType::NUMBER_OF_BASIC_TYPES][BasicType::NUMBER_OF_BASIC_TYPES] = { // number of sign changes in safe conversion" << endl |
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421 | << "\t\t/* "; |
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422 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { // titles |
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423 | code << setw(5) << graph[r].abbrev; |
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424 | } // for |
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425 | code << " */" << endl; |
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426 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { // costs |
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427 | code << "\t\t/* " << setw(6) << graph[r].abbrev << " */ {"; |
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428 | for ( int c = 0; c < NUMBER_OF_BASIC_TYPES; c += 1 ) { |
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429 | code << setw(4) << signMatrix[r][c] << ","; |
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430 | } // for |
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431 | code << " }," << endl; |
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432 | } // for |
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433 | code << "\t}; // signMatrix" << endl; |
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434 | code << "\t"; // indentation for end marker |
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435 | |
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436 | if ( (start = str.find( ENDMK, start + 1 )) == string::npos ) Abort( "end", ConversionCost ); |
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437 | code << str.substr( start ); |
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438 | |
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439 | output( file, ConversionCost, code ); |
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440 | // cout << code.str(); |
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441 | |
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442 | |
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443 | #define CommonType TOP_SRCDIR "src/ResolvExpr/CommonType.cc" |
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444 | resetInput( file, CommonType, buffer, code, str ); |
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445 | |
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446 | if ( (start = str.find( STARTMK )) == string::npos ) Abort( "start", CommonType ); |
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447 | start += sizeof( STARTMK ); // includes newline |
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448 | code << str.substr( 0, start ); |
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449 | |
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450 | enum { PER_ROW = 6 }; |
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451 | code << "\t" << BYMK << endl; |
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452 | code << "\t#define BT BasicType::" << endl; |
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453 | code << "\tstatic const BasicType::Kind commonTypes[BasicType::NUMBER_OF_BASIC_TYPES][BasicType::NUMBER_OF_BASIC_TYPES] = { // nearest common ancestor" << endl |
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454 | << "\t\t/*\t\t "; |
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455 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { // titles |
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456 | code << setw(24) << graph[r].abbrev; |
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457 | if ( (r+1) % PER_ROW == 0 ) { |
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458 | code << endl << "\t\t\t\t "; |
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459 | } // if |
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460 | } // for |
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461 | code << "*/" << endl; |
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462 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { // costs |
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463 | code << "\t\t\t\t {\n\t\t/* " << setw(6) << graph[r].abbrev << " */"; |
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464 | for ( int c = 0; c < NUMBER_OF_BASIC_TYPES; c += 1 ) { |
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465 | string s = string{"BT "} + graph[commonTypeMatrix[r][c]].name; |
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466 | code << setw(23) << s << ","; |
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467 | if ( (c+1) % PER_ROW == 0 ) { |
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468 | code << endl << "\t\t\t\t "; |
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469 | } // if |
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470 | } // for |
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471 | code << "}," << endl; |
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472 | } // for |
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473 | code << "\t}; // commonTypes" << endl; |
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474 | code << "\t#undef BT" << endl; |
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475 | code << "\t"; // indentation for end marker |
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476 | |
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477 | if ( (start = str.find( ENDMK, start + 1 )) == string::npos ) Abort( "end", CommonType ); |
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478 | code << str.substr( start ); |
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479 | |
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480 | output( file, CommonType, code ); |
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481 | // cout << code.str(); |
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482 | |
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483 | |
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484 | #define ManglerCommon TOP_SRCDIR "src/SymTab/ManglerCommon.cc" |
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485 | resetInput( file, ManglerCommon, buffer, code, str ); |
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486 | |
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487 | if ( (start = str.find( STARTMK )) == string::npos ) Abort( "start", ManglerCommon ); |
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488 | start += sizeof( STARTMK ); // includes newline |
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489 | code << str.substr( 0, start ); |
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490 | |
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491 | code << "\t\t\t// GENERATED BY " __FILE__ << endl; |
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492 | code << |
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493 | "\t\t\t// NOTES ON MANGLING:\n" |
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494 | "\t\t\t// * Itanium spec says that Float80 encodes to \"e\" (like LongDouble), but the distinct lengths cause resolution problems.\n" |
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495 | "\t\t\t// * Float128 is supposed to encode to \"g\", but I wanted it to mangle equal to LongDouble.\n" |
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496 | "\t\t\t// * Mangling for non-standard complex types is by best guess\n" |
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497 | "\t\t\t// * _FloatN is supposed to encode as \"DF\"N\"_\"; modified for same reason as above.\n" |
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498 | "\t\t\t// * unused mangling identifiers:\n" |
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499 | "\t\t\t// - \"z\" ellipsis\n" |
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500 | "\t\t\t// - \"Dd\" IEEE 754r 64-bit decimal floating point (borrowed for _Float32x)\n" |
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501 | "\t\t\t// - \"De\" IEEE 754r 128-bit decimal floating point\n" |
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502 | "\t\t\t// - \"Df\" IEEE 754r 32-bit decimal floating point\n" |
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503 | "\t\t\t// - \"Dh\" IEEE 754r 16-bit decimal floating point (borrowed for _Float16)\n" |
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504 | "\t\t\t// - \"DF\"N\"_\" ISO/IEC TS 18661 N-bit binary floating point (_FloatN)\n" |
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505 | "\t\t\t// - \"Di\" char32_t\n" |
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506 | "\t\t\t// - \"Ds\" char16_t\n"; |
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507 | |
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508 | code << "\t\t\tconst std::string basicTypes[BasicType::NUMBER_OF_BASIC_TYPES] = {" << endl; |
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509 | for ( int r = 0; r < NUMBER_OF_BASIC_TYPES; r += 1 ) { |
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510 | code << "\t\t\t\t\"" << graph[r].mangled << "\"," << setw(9 - strlen(graph[r].mangled)) << ' ' << "// " << graph[r].type << endl; |
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511 | } // for |
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512 | code << "\t\t\t}; // basicTypes" << endl; |
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513 | code << "\t\t\t"; // indentation for end marker |
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514 | |
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515 | if ( (start = str.find( ENDMK, start + 1 )) == string::npos ) Abort( "end", ManglerCommon ); |
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516 | code << str.substr( start ); |
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517 | |
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518 | output( file, ManglerCommon, code ); |
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519 | // cout << code.str(); |
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520 | } // main |
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521 | |
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522 | // Local Variables: // |
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523 | // tab-width: 4 // |
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524 | // mode: c++ // |
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525 | // compile-command: "g++-8 -Wall -Wextra BasicTypes-gen.cc" // |
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526 | // End: // |
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