| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #ifndef LYTHON_CONSTANT_HEADER | ||
| 2 | #define LYTHON_CONSTANT_HEADER | ||
| 3 | |||
| 4 | #include "dtypes.h" | ||
| 5 | #include <iostream> | ||
| 6 | |||
| 7 | #define CLANG_FMT_FIX | ||
| 8 | |||
| 9 | namespace lython { | ||
| 10 | |||
| 11 | struct NativeObject; | ||
| 12 | |||
| 13 | struct ConstantValue { | ||
| 14 | public: | ||
| 15 | struct invalid_t { | ||
| 16 | bool operator==(invalid_t const& t) const { return true; } | ||
| 17 | }; | ||
| 18 | |||
| 19 | struct none_t { | ||
| 20 | bool operator==(none_t const& t) const { return true; } | ||
| 21 | }; | ||
| 22 | |||
| 23 | static ConstantValue const& none() { | ||
| 24 |
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12 | static ConstantValue n{none_t()}; |
| 25 | 12 | return n; | |
| 26 | } | ||
| 27 | |||
| 28 | #define ConstantType(POC, CPX) \ | ||
| 29 | POD(Invalid, ConstantValue::invalid_t, invalid) \ | ||
| 30 | POD(i8, int8, i8) \ | ||
| 31 | POD(i16, int16, i16) \ | ||
| 32 | POD(i32, int32, i32) \ | ||
| 33 | POD(i64, int64, i64) \ | ||
| 34 | POD(u8, uint8, u8) \ | ||
| 35 | POD(u16, uint16, u16) \ | ||
| 36 | POD(u32, uint32, u32) \ | ||
| 37 | POD(u64, uint64, u64) \ | ||
| 38 | POD(f32, float32, f32) \ | ||
| 39 | POD(f64, float64, f64) \ | ||
| 40 | POD(Bool, bool, boolean) \ | ||
| 41 | POD(None, ConstantValue::none_t, none) \ | ||
| 42 | POD(Object, NativeObject*, object) \ | ||
| 43 | CPX(String, String, string) | ||
| 44 | |||
| 45 | #define NUMERIC_CONSTANT(NUM) \ | ||
| 46 | NUM(i8, int8, i8) \ | ||
| 47 | NUM(i16, int16, i16) \ | ||
| 48 | NUM(i32, int32, i32) \ | ||
| 49 | NUM(i64, int64, i64) \ | ||
| 50 | NUM(u8, uint8, u8) \ | ||
| 51 | NUM(u16, uint16, u16) \ | ||
| 52 | NUM(u32, uint32, u32) \ | ||
| 53 | NUM(u64, uint64, u64) \ | ||
| 54 | NUM(f32, float32, f32) \ | ||
| 55 | NUM(f64, float64, f64) \ | ||
| 56 | NUM(Bool, bool, boolean) | ||
| 57 | |||
| 58 | // clang-format off | ||
| 59 | enum Type { | ||
| 60 | #define ENUM(a) T##a, | ||
| 61 | #define POD(a, b, c) ENUM(a) | ||
| 62 | #define CPX(a, b, c) ENUM(a) | ||
| 63 | |||
| 64 | ConstantType(POD, CPX) | ||
| 65 | |||
| 66 | #undef CPX | ||
| 67 | #undef POD | ||
| 68 | #undef ENUM | ||
| 69 | |||
| 70 | }; | ||
| 71 | |||
| 72 | #define POD(k, type, name) explicit ConstantValue(type v): kind(T##k) { value.name = v; } | ||
| 73 | #define CPX(k, type, name) explicit ConstantValue(type v): kind(TInvalid) { set_##name(v); } | ||
| 74 | |||
| 75 | ConstantType(POD, CPX); | ||
| 76 | |||
| 77 | #undef CPX | ||
| 78 | #undef POD | ||
| 79 | // clang-format on | ||
| 80 | |||
| 81 | ConstantValue() = default; | ||
| 82 | |||
| 83 | ConstantValue(ConstantValue const& vv): kind(TInvalid) { copy_union(vv.kind, vv.value); } | ||
| 84 | |||
| 85 | ~ConstantValue() { remove_cpx(); } | ||
| 86 | |||
| 87 | ConstantValue& operator=(ConstantValue const& vv) { | ||
| 88 | 838 | copy_union(vv.kind, vv.value); | |
| 89 | 838 | return *this; | |
| 90 | } | ||
| 91 | |||
| 92 | bool operator==(ConstantValue const& v) const { | ||
| 93 |
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61 | if (v.kind != kind) { |
| 94 | 1 | return false; | |
| 95 | } | ||
| 96 | |||
| 97 | // clang-format off | ||
| 98 |
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60 | switch (kind) { |
| 99 | #define CMP(kind, type, name) case T##kind: return value.name == v.value.name; | ||
| 100 | |||
| 101 | #define POD(kind, type, name) CMP(kind, type, name) | ||
| 102 | #define CPX(kind, type, name) CMP(kind, type, name) | ||
| 103 | |||
| 104 | 60 | ConstantType(POD, CPX); | |
| 105 | |||
| 106 | #undef CPX | ||
| 107 | #undef POD | ||
| 108 | } | ||
| 109 | // clang-format on | ||
| 110 | |||
| 111 | ✗ | return false; | |
| 112 | } | ||
| 113 | |||
| 114 | void print(std::ostream& out) const; | ||
| 115 | |||
| 116 | bool is_none() const { return kind == TNone; } | ||
| 117 | |||
| 118 | // clang-format off | ||
| 119 | bool is_pod() const { | ||
| 120 | switch (kind) { | ||
| 121 | #define POD(kind, type, name) case T##kind: return true; | ||
| 122 | #define CPX(kind, type, name) case T##kind: return false; | ||
| 123 | |||
| 124 | ConstantType(POD, CPX); | ||
| 125 | |||
| 126 | #undef CPX | ||
| 127 | #undef POD | ||
| 128 | } | ||
| 129 | } | ||
| 130 | // clang-format on | ||
| 131 | |||
| 132 | Type type() const { return kind; } | ||
| 133 | |||
| 134 | template <typename T> | ||
| 135 | T const& get() const { | ||
| 136 | return value.i64; | ||
| 137 | } | ||
| 138 | |||
| 139 | Type get_kind() const { | ||
| 140 | 13 | return kind; | |
| 141 | } | ||
| 142 | |||
| 143 | private: | ||
| 144 | // ast.Str, ast.Bytes, ast.NameConstant, ast.Ellipsis | ||
| 145 | union ValueVariant { | ||
| 146 | ValueVariant() {} | ||
| 147 | ~ValueVariant(){} | ||
| 148 | |||
| 149 | ; // clang-format off | ||
| 150 | #define ATTR(type, name) type name; | ||
| 151 | #define POD(kind, type, name) ATTR(type, name) | ||
| 152 | #define CPX(kind, type, name) ATTR(type, name) | ||
| 153 | |||
| 154 | ConstantType(POD, CPX); | ||
| 155 | |||
| 156 | #undef CPX | ||
| 157 | #undef POD | ||
| 158 | #undef ATTR | ||
| 159 | // clang-format on | ||
| 160 | }; | ||
| 161 | |||
| 162 | ValueVariant value; | ||
| 163 | Type kind = TInvalid; | ||
| 164 | |||
| 165 | void _print_object(std::ostream& out) const; | ||
| 166 | |||
| 167 | template <typename T> | ||
| 168 | void set_cpx(Type ktype, T& memory, const T& data) { | ||
| 169 |
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218 | if (kind != ktype) { |
| 170 |
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218 | new (&memory) T(data); |
| 171 | } else { | ||
| 172 | ✗ | memory = data; | |
| 173 | } | ||
| 174 | 218 | kind = ktype; | |
| 175 | 218 | } | |
| 176 | |||
| 177 | ; // clang-format off | ||
| 178 | #define POD(kind, type, name) | ||
| 179 | #define CPX(kind, type, name)\ | ||
| 180 | void set_##name(const type &data) { set_cpx(T##kind, value.name, data); } | ||
| 181 | |||
| 182 | ConstantType(POD, CPX); | ||
| 183 | |||
| 184 | #undef CPX | ||
| 185 | #undef POD | ||
| 186 | // clang-format on | ||
| 187 | |||
| 188 | void remove_cpx() { | ||
| 189 | // clang-format off | ||
| 190 |
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3074 | switch (kind) { |
| 191 | |||
| 192 | #define POD(kind, type, name) case T##kind: return; | ||
| 193 | #define CPX(kind, type, name) case T##kind: value.name.~type(); break; | ||
| 194 | |||
| 195 | 3074 | ConstantType(POD, CPX); | |
| 196 | |||
| 197 | #undef CPX | ||
| 198 | #undef POD | ||
| 199 | } | ||
| 200 | // clang-format on | ||
| 201 | } | ||
| 202 | |||
| 203 | void copy_union(Type k, ValueVariant const& v) { | ||
| 204 |
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1130 | if (kind != k) { |
| 205 | 1130 | remove_cpx(); | |
| 206 | } | ||
| 207 | |||
| 208 |
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1130 | switch (k) { |
| 209 | ; // clang-format off | ||
| 210 | #define POD(k, type, name)\ | ||
| 211 | case T##k:{\ | ||
| 212 | value.name = v.name;\ | ||
| 213 | break;\ | ||
| 214 | } | ||
| 215 | |||
| 216 | #define CPX(k, type, name)\ | ||
| 217 | case T##k:{\ | ||
| 218 | set_##name(v.name);\ | ||
| 219 | break;\ | ||
| 220 | } | ||
| 221 | |||
| 222 | 1130 | ConstantType(POD, CPX); | |
| 223 | |||
| 224 | #undef CPX | ||
| 225 | #undef POD | ||
| 226 | // clang-format on | ||
| 227 | } | ||
| 228 | 1130 | kind = k; | |
| 229 | 1130 | } | |
| 230 | }; | ||
| 231 | |||
| 232 | // Explicit specialization needs to be declare outisde of the class | ||
| 233 | #define POD(kind, type, name) \ | ||
| 234 | template <> \ | ||
| 235 | inline type const& ConstantValue::get<type>() const { \ | ||
| 236 | return value.name; \ | ||
| 237 | } | ||
| 238 | #define CPX(kind, type, name) \ | ||
| 239 | template <> \ | ||
| 240 | inline type const& ConstantValue::get<type>() const { \ | ||
| 241 | return value.name; \ | ||
| 242 | } | ||
| 243 | |||
| 244 | ConstantType(POD, CPX); | ||
| 245 | |||
| 246 | #undef CPX | ||
| 247 | #undef POD | ||
| 248 | |||
| 249 | } // namespace lython | ||
| 250 | |||
| 251 | #endif | ||
| 252 |