| 90 | | return new IntegerExp(loc, -e1->toInteger(), type); |
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| 91 | | } |
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| 92 | | |
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| 93 | | Expression *ComExp::constFold() |
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| 94 | | { |
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| 95 | | e1 = e1->constFold(); |
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| 96 | | return new IntegerExp(loc, ~e1->toInteger(), type); |
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| 97 | | } |
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| 98 | | |
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| 99 | | Expression *NotExp::constFold() |
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| 100 | | { |
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| 101 | | e1 = e1->constFold(); |
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| 102 | | return new IntegerExp(loc, e1->isBool(0), type); |
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| 103 | | } |
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| 104 | | |
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| 105 | | Expression *BoolExp::constFold() |
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| 106 | | { |
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| 107 | | e1 = e1->constFold(); |
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| 108 | | return new IntegerExp(loc, e1->isBool(1), type); |
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| 109 | | } |
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| 110 | | |
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| 111 | | Expression *CastExp::constFold() |
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| 112 | | { |
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| 113 | | //printf("CastExp::constFold(%s)\n", toChars()); |
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| 114 | | //printf("from %s to %s\n", type->toChars(), to->toChars()); |
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| 115 | | //printf("type = %p\n", type); |
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| 116 | | assert(type); |
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| 117 | | |
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| 118 | | e1 = e1->constFold(); |
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| 119 | | if (e1->op == TOKsymoff) |
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| 120 | | { |
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| 121 | | if (type->size() == e1->type->size() && |
|---|
| 122 | | type->toBasetype()->ty != Tsarray) |
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| 123 | | { |
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| 124 | | e1->type = type; |
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| 125 | | return e1; |
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| 126 | | } |
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| 127 | | return this; |
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| 128 | | } |
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| | 90 | e = new IntegerExp(loc, -e1->toInteger(), type); |
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| | 91 | return e; |
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| | 92 | } |
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| | 93 | |
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| | 94 | Expression *Com(Type *type, Expression *e1) |
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| | 95 | { Expression *e; |
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| | 96 | Loc loc = e1->loc; |
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| | 97 | |
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| | 98 | e = new IntegerExp(loc, ~e1->toInteger(), type); |
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| | 99 | return e; |
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| | 100 | } |
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| | 101 | |
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| | 102 | Expression *Not(Type *type, Expression *e1) |
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| | 103 | { Expression *e; |
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| | 104 | Loc loc = e1->loc; |
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| | 105 | |
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| | 106 | e = new IntegerExp(loc, e1->isBool(0), type); |
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| | 107 | return e; |
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| | 108 | } |
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| | 109 | |
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| | 110 | Expression *Bool(Type *type, Expression *e1) |
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| | 111 | { Expression *e; |
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| | 112 | Loc loc = e1->loc; |
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| | 113 | |
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| | 114 | e = new IntegerExp(loc, e1->isBool(1), type); |
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| | 115 | return e; |
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| | 116 | } |
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| | 117 | |
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| | 118 | Expression *Add(Type *type, Expression *e1, Expression *e2) |
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| | 119 | { Expression *e; |
|---|
| | 120 | Loc loc = e1->loc; |
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| | 121 | |
|---|
| | 122 | #if LOG |
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| | 123 | printf("Add(e1 = %s, e2 = %s)\n", e1->toChars(), e2->toChars()); |
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| | 124 | #endif |
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| | 125 | if (type->isreal()) |
|---|
| | 126 | { |
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| | 127 | e = new RealExp(loc, e1->toReal() + e2->toReal(), type); |
|---|
| | 128 | } |
|---|
| | 129 | else if (type->isimaginary()) |
|---|
| | 130 | { |
|---|
| | 131 | e = new RealExp(loc, e1->toImaginary() + e2->toImaginary(), type); |
|---|
| | 132 | } |
|---|
| | 133 | else if (type->iscomplex()) |
|---|
| | 134 | { |
|---|
| | 135 | // This rigamarole is necessary so that -0.0 doesn't get |
|---|
| | 136 | // converted to +0.0 by doing an extraneous add with +0.0 |
|---|
| | 137 | complex_t c1; |
|---|
| | 138 | real_t r1; |
|---|
| | 139 | real_t i1; |
|---|
| | 140 | |
|---|
| | 141 | complex_t c2; |
|---|
| | 142 | real_t r2; |
|---|
| | 143 | real_t i2; |
|---|
| | 144 | |
|---|
| | 145 | complex_t v; |
|---|
| | 146 | int x; |
|---|
| | 147 | |
|---|
| | 148 | if (e1->type->isreal()) |
|---|
| | 149 | { r1 = e1->toReal(); |
|---|
| | 150 | x = 0; |
|---|
| | 151 | } |
|---|
| | 152 | else if (e1->type->isimaginary()) |
|---|
| | 153 | { i1 = e1->toImaginary(); |
|---|
| | 154 | x = 3; |
|---|
| | 155 | } |
|---|
| | 156 | else |
|---|
| | 157 | { c1 = e1->toComplex(); |
|---|
| | 158 | x = 6; |
|---|
| | 159 | } |
|---|
| | 160 | |
|---|
| | 161 | if (e2->type->isreal()) |
|---|
| | 162 | { r2 = e2->toReal(); |
|---|
| | 163 | } |
|---|
| | 164 | else if (e2->type->isimaginary()) |
|---|
| | 165 | { i2 = e2->toImaginary(); |
|---|
| | 166 | x += 1; |
|---|
| | 167 | } |
|---|
| | 168 | else |
|---|
| | 169 | { c2 = e2->toComplex(); |
|---|
| | 170 | x += 2; |
|---|
| | 171 | } |
|---|
| | 172 | |
|---|
| | 173 | switch (x) |
|---|
| | 174 | { |
|---|
| | 175 | #if __DMC__ |
|---|
| | 176 | case 0+0: v = (complex_t) (r1 + r2); break; |
|---|
| | 177 | case 0+1: v = r1 + i2 * I; break; |
|---|
| | 178 | case 0+2: v = r1 + c2; break; |
|---|
| | 179 | case 3+0: v = i1 * I + r2; break; |
|---|
| | 180 | case 3+1: v = (complex_t) ((i1 + i2) * I); break; |
|---|
| | 181 | case 3+2: v = i1 * I + c2; break; |
|---|
| | 182 | case 6+0: v = c1 + r2; break; |
|---|
| | 183 | case 6+1: v = c1 + i2 * I; break; |
|---|
| | 184 | case 6+2: v = c1 + c2; break; |
|---|
| | 185 | #else |
|---|
| | 186 | case 0+0: v = complex_t(r1 + r2, 0); break; |
|---|
| | 187 | case 0+1: v = complex_t(r1, i2); break; |
|---|
| | 188 | case 0+2: v = complex_t(r1 + creall(c2), cimagl(c2)); break; |
|---|
| | 189 | case 3+0: v = complex_t(r2, i1); break; |
|---|
| | 190 | case 3+1: v = complex_t(0, i1 + i2); break; |
|---|
| | 191 | case 3+2: v = complex_t(creall(c2), i1 + cimagl(c2)); break; |
|---|
| | 192 | case 6+0: v = complex_t(creall(c1) + r2, cimagl(c2)); break; |
|---|
| | 193 | case 6+1: v = complex_t(creall(c1), cimagl(c1) + i2); break; |
|---|
| | 194 | case 6+2: v = c1 + c2; break; |
|---|
| | 195 | #endif |
|---|
| | 196 | default: assert(0); |
|---|
| | 197 | } |
|---|
| | 198 | e = new ComplexExp(loc, v, type); |
|---|
| | 199 | } |
|---|
| | 200 | else if (e1->op == TOKsymoff) |
|---|
| | 201 | { |
|---|
| | 202 | SymOffExp *soe = (SymOffExp *)e1; |
|---|
| | 203 | e = new SymOffExp(loc, soe->var, soe->offset + e2->toInteger()); |
|---|
| | 204 | e->type = type; |
|---|
| | 205 | } |
|---|
| | 206 | else if (e2->op == TOKsymoff) |
|---|
| | 207 | { |
|---|
| | 208 | SymOffExp *soe = (SymOffExp *)e2; |
|---|
| | 209 | e = new SymOffExp(loc, soe->var, soe->offset + e1->toInteger()); |
|---|
| | 210 | e->type = type; |
|---|
| | 211 | } |
|---|
| | 212 | else |
|---|
| | 213 | e = new IntegerExp(loc, e1->toInteger() + e2->toInteger(), type); |
|---|
| | 214 | return e; |
|---|
| | 215 | } |
|---|
| | 216 | |
|---|
| | 217 | |
|---|
| | 218 | Expression *Min(Type *type, Expression *e1, Expression *e2) |
|---|
| | 219 | { Expression *e; |
|---|
| | 220 | Loc loc = e1->loc; |
|---|
| | 221 | |
|---|
| | 222 | if (type->isreal()) |
|---|
| | 223 | { |
|---|
| | 224 | e = new RealExp(loc, e1->toReal() - e2->toReal(), type); |
|---|
| | 225 | } |
|---|
| | 226 | else if (type->isimaginary()) |
|---|
| | 227 | { |
|---|
| | 228 | e = new RealExp(loc, e1->toImaginary() - e2->toImaginary(), type); |
|---|
| | 229 | } |
|---|
| | 230 | else if (type->iscomplex()) |
|---|
| | 231 | { |
|---|
| | 232 | // This rigamarole is necessary so that -0.0 doesn't get |
|---|
| | 233 | // converted to +0.0 by doing an extraneous add with +0.0 |
|---|
| | 234 | complex_t c1; |
|---|
| | 235 | real_t r1; |
|---|
| | 236 | real_t i1; |
|---|
| | 237 | |
|---|
| | 238 | complex_t c2; |
|---|
| | 239 | real_t r2; |
|---|
| | 240 | real_t i2; |
|---|
| | 241 | |
|---|
| | 242 | complex_t v; |
|---|
| | 243 | int x; |
|---|
| | 244 | |
|---|
| | 245 | if (e1->type->isreal()) |
|---|
| | 246 | { r1 = e1->toReal(); |
|---|
| | 247 | x = 0; |
|---|
| | 248 | } |
|---|
| | 249 | else if (e1->type->isimaginary()) |
|---|
| | 250 | { i1 = e1->toImaginary(); |
|---|
| | 251 | x = 3; |
|---|
| | 252 | } |
|---|
| | 253 | else |
|---|
| | 254 | { c1 = e1->toComplex(); |
|---|
| | 255 | x = 6; |
|---|
| | 256 | } |
|---|
| | 257 | |
|---|
| | 258 | if (e2->type->isreal()) |
|---|
| | 259 | { r2 = e2->toReal(); |
|---|
| | 260 | } |
|---|
| | 261 | else if (e2->type->isimaginary()) |
|---|
| | 262 | { i2 = e2->toImaginary(); |
|---|
| | 263 | x += 1; |
|---|
| | 264 | } |
|---|
| | 265 | else |
|---|
| | 266 | { c2 = e2->toComplex(); |
|---|
| | 267 | x += 2; |
|---|
| | 268 | } |
|---|
| | 269 | |
|---|
| | 270 | switch (x) |
|---|
| | 271 | { |
|---|
| | 272 | #if __DMC__ |
|---|
| | 273 | case 0+0: v = (complex_t) (r1 - r2); break; |
|---|
| | 274 | case 0+1: v = r1 - i2 * I; break; |
|---|
| | 275 | case 0+2: v = r1 - c2; break; |
|---|
| | 276 | case 3+0: v = i1 * I - r2; break; |
|---|
| | 277 | case 3+1: v = (complex_t) ((i1 - i2) * I); break; |
|---|
| | 278 | case 3+2: v = i1 * I - c2; break; |
|---|
| | 279 | case 6+0: v = c1 - r2; break; |
|---|
| | 280 | case 6+1: v = c1 - i2 * I; break; |
|---|
| | 281 | case 6+2: v = c1 - c2; break; |
|---|
| | 282 | #else |
|---|
| | 283 | case 0+0: v = complex_t(r1 - r2, 0); break; |
|---|
| | 284 | case 0+1: v = complex_t(r1, -i2); break; |
|---|
| | 285 | case 0+2: v = complex_t(r1 - creall(c2), -cimagl(c2)); break; |
|---|
| | 286 | case 3+0: v = complex_t(-r2, i1); break; |
|---|
| | 287 | case 3+1: v = complex_t(0, i1 - i2); break; |
|---|
| | 288 | case 3+2: v = complex_t(-creall(c2), i1 - cimagl(c2)); break; |
|---|
| | 289 | case 6+0: v = complex_t(creall(c1) - r2, cimagl(c1)); break; |
|---|
| | 290 | case 6+1: v = complex_t(creall(c1), cimagl(c1) - i2); break; |
|---|
| | 291 | case 6+2: v = c1 - c2; break; |
|---|
| | 292 | #endif |
|---|
| | 293 | default: assert(0); |
|---|
| | 294 | } |
|---|
| | 295 | e = new ComplexExp(loc, v, type); |
|---|
| | 296 | } |
|---|
| | 297 | else if (e1->op == TOKsymoff) |
|---|
| | 298 | { |
|---|
| | 299 | SymOffExp *soe = (SymOffExp *)e1; |
|---|
| | 300 | e = new SymOffExp(loc, soe->var, soe->offset - e2->toInteger()); |
|---|
| | 301 | e->type = type; |
|---|
| | 302 | } |
|---|
| | 303 | else |
|---|
| | 304 | { |
|---|
| | 305 | e = new IntegerExp(loc, e1->toInteger() - e2->toInteger(), type); |
|---|
| | 306 | } |
|---|
| | 307 | return e; |
|---|
| | 308 | } |
|---|
| | 309 | |
|---|
| | 310 | Expression *Mul(Type *type, Expression *e1, Expression *e2) |
|---|
| | 311 | { Expression *e; |
|---|
| | 312 | Loc loc = e1->loc; |
|---|
| | 313 | |
|---|
| | 314 | if (type->isfloating()) |
|---|
| | 315 | { complex_t c; |
|---|
| | 316 | #ifdef IN_GCC |
|---|
| | 317 | real_t r; |
|---|
| | 318 | #else |
|---|
| | 319 | d_float80 r; |
|---|
| | 320 | #endif |
|---|
| | 321 | |
|---|
| | 322 | if (e1->type->isreal()) |
|---|
| | 323 | { |
|---|
| | 324 | #if __DMC__ |
|---|
| | 325 | c = e1->toReal() * e2->toComplex(); |
|---|
| | 326 | #else |
|---|
| | 327 | r = e1->toReal(); |
|---|
| | 328 | c = e2->toComplex(); |
|---|
| | 329 | c = complex_t(r * creall(c), r * cimagl(c)); |
|---|
| | 330 | #endif |
|---|
| | 331 | } |
|---|
| | 332 | else if (e1->type->isimaginary()) |
|---|
| | 333 | { |
|---|
| | 334 | #if __DMC__ |
|---|
| | 335 | c = e1->toImaginary() * I * e2->toComplex(); |
|---|
| | 336 | #else |
|---|
| | 337 | r = e1->toImaginary(); |
|---|
| | 338 | c = e2->toComplex(); |
|---|
| | 339 | c = complex_t(-r * cimagl(c), r * creall(c)); |
|---|
| | 340 | #endif |
|---|
| | 341 | } |
|---|
| | 342 | else if (e2->type->isreal()) |
|---|
| | 343 | { |
|---|
| | 344 | #if __DMC__ |
|---|
| | 345 | c = e2->toReal() * e1->toComplex(); |
|---|
| | 346 | #else |
|---|
| | 347 | r = e2->toReal(); |
|---|
| | 348 | c = e1->toComplex(); |
|---|
| | 349 | c = complex_t(r * creall(c), r * cimagl(c)); |
|---|
| | 350 | #endif |
|---|
| | 351 | } |
|---|
| | 352 | else if (e2->type->isimaginary()) |
|---|
| | 353 | { |
|---|
| | 354 | #if __DMC__ |
|---|
| | 355 | c = e1->toComplex() * e2->toImaginary() * I; |
|---|
| | 356 | #else |
|---|
| | 357 | r = e2->toImaginary(); |
|---|
| | 358 | c = e1->toComplex(); |
|---|
| | 359 | c = complex_t(-r * cimagl(c), r * creall(c)); |
|---|
| | 360 | #endif |
|---|
| | 361 | } |
|---|
| | 362 | else |
|---|
| | 363 | c = e1->toComplex() * e2->toComplex(); |
|---|
| | 364 | |
|---|
| | 365 | if (type->isreal()) |
|---|
| | 366 | e = new RealExp(loc, creall(c), type); |
|---|
| | 367 | else if (type->isimaginary()) |
|---|
| | 368 | e = new RealExp(loc, cimagl(c), type); |
|---|
| | 369 | else if (type->iscomplex()) |
|---|
| | 370 | e = new ComplexExp(loc, c, type); |
|---|
| | 371 | else |
|---|
| | 372 | assert(0); |
|---|
| | 373 | } |
|---|
| | 374 | else |
|---|
| | 375 | { |
|---|
| | 376 | e = new IntegerExp(loc, e1->toInteger() * e2->toInteger(), type); |
|---|
| | 377 | } |
|---|
| | 378 | return e; |
|---|
| | 379 | } |
|---|
| | 380 | |
|---|
| | 381 | Expression *Div(Type *type, Expression *e1, Expression *e2) |
|---|
| | 382 | { Expression *e; |
|---|
| | 383 | Loc loc = e1->loc; |
|---|
| | 384 | |
|---|
| | 385 | if (type->isfloating()) |
|---|
| | 386 | { complex_t c; |
|---|
| | 387 | #ifdef IN_GCC |
|---|
| | 388 | real_t r; |
|---|
| | 389 | #else |
|---|
| | 390 | d_float80 r; |
|---|
| | 391 | #endif |
|---|
| | 392 | |
|---|
| | 393 | //e1->type->print(); |
|---|
| | 394 | //e2->type->print(); |
|---|
| | 395 | if (e2->type->isreal()) |
|---|
| | 396 | { |
|---|
| | 397 | if (e1->type->isreal()) |
|---|
| | 398 | { |
|---|
| | 399 | e = new RealExp(loc, e1->toReal() / e2->toReal(), type); |
|---|
| | 400 | return e; |
|---|
| | 401 | } |
|---|
| | 402 | #if __DMC__ |
|---|
| | 403 | //r = e2->toReal(); |
|---|
| | 404 | //c = e1->toComplex(); |
|---|
| | 405 | //printf("(%Lg + %Lgi) / %Lg\n", creall(c), cimagl(c), r); |
|---|
| | 406 | |
|---|
| | 407 | c = e1->toComplex() / e2->toReal(); |
|---|
| | 408 | #else |
|---|
| | 409 | r = e2->toReal(); |
|---|
| | 410 | c = e1->toComplex(); |
|---|
| | 411 | c = complex_t(creall(c) / r, cimagl(c) / r); |
|---|
| | 412 | #endif |
|---|
| | 413 | } |
|---|
| | 414 | else if (e2->type->isimaginary()) |
|---|
| | 415 | { |
|---|
| | 416 | #if __DMC__ |
|---|
| | 417 | //r = e2->toImaginary(); |
|---|
| | 418 | //c = e1->toComplex(); |
|---|
| | 419 | //printf("(%Lg + %Lgi) / %Lgi\n", creall(c), cimagl(c), r); |
|---|
| | 420 | |
|---|
| | 421 | c = e1->toComplex() / (e2->toImaginary() * I); |
|---|
| | 422 | #else |
|---|
| | 423 | r = e2->toImaginary(); |
|---|
| | 424 | c = e1->toComplex(); |
|---|
| | 425 | c = complex_t(cimagl(c) / r, -creall(c) / r); |
|---|
| | 426 | #endif |
|---|
| | 427 | } |
|---|
| | 428 | else |
|---|
| | 429 | { |
|---|
| | 430 | c = e1->toComplex() / e2->toComplex(); |
|---|
| | 431 | } |
|---|
| | 432 | |
|---|
| | 433 | if (type->isreal()) |
|---|
| | 434 | e = new RealExp(loc, creall(c), type); |
|---|
| | 435 | else if (type->isimaginary()) |
|---|
| | 436 | e = new RealExp(loc, cimagl(c), type); |
|---|
| | 437 | else if (type->iscomplex()) |
|---|
| | 438 | e = new ComplexExp(loc, c, type); |
|---|
| | 439 | else |
|---|
| | 440 | assert(0); |
|---|
| | 441 | } |
|---|
| | 442 | else |
|---|
| | 443 | { sinteger_t n1; |
|---|
| | 444 | sinteger_t n2; |
|---|
| | 445 | sinteger_t n; |
|---|
| | 446 | |
|---|
| | 447 | n1 = e1->toInteger(); |
|---|
| | 448 | n2 = e2->toInteger(); |
|---|
| | 449 | if (n2 == 0) |
|---|
| | 450 | { error("divide by 0"); |
|---|
| | 451 | e2 = new IntegerExp(0, 1, e2->type); |
|---|
| | 452 | n2 = 1; |
|---|
| | 453 | } |
|---|
| | 454 | if (e1->type->isunsigned() || e2->type->isunsigned()) |
|---|
| | 455 | n = ((d_uns64) n1) / ((d_uns64) n2); |
|---|
| | 456 | else |
|---|
| | 457 | n = n1 / n2; |
|---|
| | 458 | e = new IntegerExp(loc, n, type); |
|---|
| | 459 | } |
|---|
| | 460 | return e; |
|---|
| | 461 | } |
|---|
| | 462 | |
|---|
| | 463 | Expression *Mod(Type *type, Expression *e1, Expression *e2) |
|---|
| | 464 | { Expression *e; |
|---|
| | 465 | Loc loc = e1->loc; |
|---|
| | 466 | |
|---|
| | 467 | if (type->isfloating()) |
|---|
| | 468 | { |
|---|
| | 469 | complex_t c; |
|---|
| | 470 | |
|---|
| | 471 | if (e2->type->isreal()) |
|---|
| | 472 | { real_t r2 = e2->toReal(); |
|---|
| | 473 | |
|---|
| | 474 | #ifdef __DMC__ |
|---|
| | 475 | c = fmodl(e1->toReal(), r2) + fmodl(e1->toImaginary(), r2) * I; |
|---|
| | 476 | #elif defined(IN_GCC) |
|---|
| | 477 | c = complex_t(e1->toReal() % r2, e1->toImaginary() % r2); |
|---|
| | 478 | #else |
|---|
| | 479 | c = complex_t(fmodl(e1->toReal(), r2), fmodl(e1->toImaginary(), r2)); |
|---|
| | 480 | #endif |
|---|
| | 481 | } |
|---|
| | 482 | else if (e2->type->isimaginary()) |
|---|
| | 483 | { real_t i2 = e2->toImaginary(); |
|---|
| | 484 | |
|---|
| | 485 | #ifdef __DMC__ |
|---|
| | 486 | c = fmodl(e1->toReal(), i2) + fmodl(e1->toImaginary(), i2) * I; |
|---|
| | 487 | #elif defined(IN_GCC) |
|---|
| | 488 | c = complex_t(e1->toReal() % i2, e1->toImaginary() % i2); |
|---|
| | 489 | #else |
|---|
| | 490 | c = complex_t(fmodl(e1->toReal(), i2), fmodl(e1->toImaginary(), i2)); |
|---|
| | 491 | #endif |
|---|
| | 492 | } |
|---|
| | 493 | else |
|---|
| | 494 | assert(0); |
|---|
| | 495 | |
|---|
| | 496 | if (type->isreal()) |
|---|
| | 497 | e = new RealExp(loc, creall(c), type); |
|---|
| | 498 | else if (type->isimaginary()) |
|---|
| | 499 | e = new RealExp(loc, cimagl(c), type); |
|---|
| | 500 | else if (type->iscomplex()) |
|---|
| | 501 | e = new ComplexExp(loc, c, type); |
|---|
| | 502 | else |
|---|
| | 503 | assert(0); |
|---|
| | 504 | } |
|---|
| | 505 | else |
|---|
| | 506 | { sinteger_t n1; |
|---|
| | 507 | sinteger_t n2; |
|---|
| | 508 | sinteger_t n; |
|---|
| | 509 | |
|---|
| | 510 | n1 = e1->toInteger(); |
|---|
| | 511 | n2 = e2->toInteger(); |
|---|
| | 512 | if (n2 == 0) |
|---|
| | 513 | { error("divide by 0"); |
|---|
| | 514 | e2 = new IntegerExp(0, 1, e2->type); |
|---|
| | 515 | n2 = 1; |
|---|
| | 516 | } |
|---|
| | 517 | if (e1->type->isunsigned() || e2->type->isunsigned()) |
|---|
| | 518 | n = ((d_uns64) n1) % ((d_uns64) n2); |
|---|
| | 519 | else |
|---|
| | 520 | n = n1 % n2; |
|---|
| | 521 | e = new IntegerExp(loc, n, type); |
|---|
| | 522 | } |
|---|
| | 523 | return e; |
|---|
| | 524 | } |
|---|
| | 525 | |
|---|
| | 526 | Expression *Shl(Type *type, Expression *e1, Expression *e2) |
|---|
| | 527 | { Expression *e; |
|---|
| | 528 | Loc loc = e1->loc; |
|---|
| | 529 | |
|---|
| | 530 | e = new IntegerExp(loc, e1->toInteger() << e2->toInteger(), type); |
|---|
| | 531 | return e; |
|---|
| | 532 | } |
|---|
| | 533 | |
|---|
| | 534 | Expression *Shr(Type *type, Expression *e1, Expression *e2) |
|---|
| | 535 | { Expression *e; |
|---|
| | 536 | Loc loc = e1->loc; |
|---|
| | 537 | unsigned count; |
|---|
| | 538 | integer_t value; |
|---|
| | 539 | |
|---|
| | 540 | value = e1->toInteger(); |
|---|
| | 541 | count = e2->toInteger(); |
|---|
| | 542 | switch (e1->type->toBasetype()->ty) |
|---|
| | 543 | { |
|---|
| | 544 | case Tint8: |
|---|
| | 545 | value = (d_int8)(value) >> count; |
|---|
| | 546 | break; |
|---|
| | 547 | |
|---|
| | 548 | case Tuns8: |
|---|
| | 549 | value = (d_uns8)(value) >> count; |
|---|
| | 550 | break; |
|---|
| | 551 | |
|---|
| | 552 | case Tint16: |
|---|
| | 553 | value = (d_int16)(value) >> count; |
|---|
| | 554 | break; |
|---|
| | 555 | |
|---|
| | 556 | case Tuns16: |
|---|
| | 557 | value = (d_uns16)(value) >> count; |
|---|
| | 558 | break; |
|---|
| | 559 | |
|---|
| | 560 | case Tint32: |
|---|
| | 561 | value = (d_int32)(value) >> count; |
|---|
| | 562 | break; |
|---|
| | 563 | |
|---|
| | 564 | case Tuns32: |
|---|
| | 565 | value = (d_uns32)(value) >> count; |
|---|
| | 566 | break; |
|---|
| | 567 | |
|---|
| | 568 | case Tint64: |
|---|
| | 569 | value = (d_int64)(value) >> count; |
|---|
| | 570 | break; |
|---|
| | 571 | |
|---|
| | 572 | case Tuns64: |
|---|
| | 573 | value = (d_uns64)(value) >> count; |
|---|
| | 574 | break; |
|---|
| | 575 | |
|---|
| | 576 | default: |
|---|
| | 577 | assert(0); |
|---|
| | 578 | } |
|---|
| | 579 | e = new IntegerExp(loc, value, type); |
|---|
| | 580 | return e; |
|---|
| | 581 | } |
|---|
| | 582 | |
|---|
| | 583 | Expression *Ushr(Type *type, Expression *e1, Expression *e2) |
|---|
| | 584 | { Expression *e; |
|---|
| | 585 | Loc loc = e1->loc; |
|---|
| | 586 | unsigned count; |
|---|
| | 587 | integer_t value; |
|---|
| | 588 | |
|---|
| | 589 | value = e1->toInteger(); |
|---|
| | 590 | count = e2->toInteger(); |
|---|
| | 591 | switch (e1->type->toBasetype()->ty) |
|---|
| | 592 | { |
|---|
| | 593 | case Tint8: |
|---|
| | 594 | case Tuns8: |
|---|
| | 595 | assert(0); // no way to trigger this |
|---|
| | 596 | value = (value & 0xFF) >> count; |
|---|
| | 597 | break; |
|---|
| | 598 | |
|---|
| | 599 | case Tint16: |
|---|
| | 600 | case Tuns16: |
|---|
| | 601 | assert(0); // no way to trigger this |
|---|
| | 602 | value = (value & 0xFFFF) >> count; |
|---|
| | 603 | break; |
|---|
| | 604 | |
|---|
| | 605 | case Tint32: |
|---|
| | 606 | case Tuns32: |
|---|
| | 607 | value = (value & 0xFFFFFFFF) >> count; |
|---|
| | 608 | break; |
|---|
| | 609 | |
|---|
| | 610 | case Tint64: |
|---|
| | 611 | case Tuns64: |
|---|
| | 612 | value = (d_uns64)(value) >> count; |
|---|
| | 613 | break; |
|---|
| | 614 | |
|---|
| | 615 | default: |
|---|
| | 616 | assert(0); |
|---|
| | 617 | } |
|---|
| | 618 | e = new IntegerExp(loc, value, type); |
|---|
| | 619 | return e; |
|---|
| | 620 | } |
|---|
| | 621 | |
|---|
| | 622 | Expression *And(Type *type, Expression *e1, Expression *e2) |
|---|
| | 623 | { Expression *e; |
|---|
| | 624 | Loc loc = e1->loc; |
|---|
| | 625 | |
|---|
| | 626 | e = new IntegerExp(loc, e1->toInteger() & e2->toInteger(), type); |
|---|
| | 627 | return e; |
|---|
| | 628 | } |
|---|
| | 629 | |
|---|
| | 630 | Expression *Or(Type *type, Expression *e1, Expression *e2) |
|---|
| | 631 | { Expression *e; |
|---|
| | 632 | Loc loc = e1->loc; |
|---|
| | 633 | |
|---|
| | 634 | e = new IntegerExp(loc, e1->toInteger() | e2->toInteger(), type); |
|---|
| | 635 | return e; |
|---|
| | 636 | } |
|---|
| | 637 | |
|---|
| | 638 | Expression *Xor(Type *type, Expression *e1, Expression *e2) |
|---|
| | 639 | { Expression *e; |
|---|
| | 640 | Loc loc = e1->loc; |
|---|
| | 641 | |
|---|
| | 642 | e = new IntegerExp(loc, e1->toInteger() ^ e2->toInteger(), type); |
|---|
| | 643 | return e; |
|---|
| | 644 | } |
|---|
| | 645 | |
|---|
| | 646 | /* Also returns EXP_CANT_INTERPRET if cannot be computed. |
|---|
| | 647 | */ |
|---|
| | 648 | Expression *Equal(enum TOK op, Type *type, Expression *e1, Expression *e2) |
|---|
| | 649 | { Expression *e; |
|---|
| | 650 | Loc loc = e1->loc; |
|---|
| | 651 | int cmp; |
|---|
| | 652 | real_t r1; |
|---|
| | 653 | real_t r2; |
|---|
| | 654 | |
|---|
| | 655 | assert(op == TOKequal || op == TOKnotequal); |
|---|
| | 656 | |
|---|
| | 657 | if (e1->op == TOKstring && e2->op == TOKstring) |
|---|
| | 658 | { StringExp *es1 = (StringExp *)e1; |
|---|
| | 659 | StringExp *es2 = (StringExp *)e2; |
|---|
| | 660 | |
|---|
| | 661 | assert(es1->sz == es2->sz); |
|---|
| | 662 | if (es1->len == es2->len && |
|---|
| | 663 | memcmp(es1->string, es2->string, es1->sz * es1->len) == 0) |
|---|
| | 664 | cmp = 1; |
|---|
| | 665 | else |
|---|
| | 666 | cmp = 0; |
|---|
| | 667 | } |
|---|
| | 668 | else if (e1->op == TOKarrayliteral && e2->op == TOKarrayliteral) |
|---|
| | 669 | { ArrayLiteralExp *es1 = (ArrayLiteralExp *)e1; |
|---|
| | 670 | ArrayLiteralExp *es2 = (ArrayLiteralExp *)e2; |
|---|
| | 671 | |
|---|
| | 672 | if ((!es1->elements || !es1->elements->dim) && |
|---|
| | 673 | (!es2->elements || !es2->elements->dim)) |
|---|
| | 674 | cmp = 1; // both arrays are empty |
|---|
| | 675 | else if (!es1->elements || !es2->elements) |
|---|
| | 676 | cmp = 0; |
|---|
| | 677 | else if (es1->elements->dim != es2->elements->dim) |
|---|
| | 678 | cmp = 0; |
|---|
| | 679 | else |
|---|
| | 680 | { |
|---|
| | 681 | for (size_t i = 0; i < es1->elements->dim; i++) |
|---|
| | 682 | { Expression *ee1 = (Expression *)es1->elements->data[i]; |
|---|
| | 683 | Expression *ee2 = (Expression *)es2->elements->data[i]; |
|---|
| | 684 | |
|---|
| | 685 | Expression *v = Equal(TOKequal, Type::tint32, ee1, ee2); |
|---|
| | 686 | if (v == EXP_CANT_INTERPRET) |
|---|
| | 687 | return EXP_CANT_INTERPRET; |
|---|
| | 688 | cmp = v->toInteger(); |
|---|
| | 689 | if (cmp == 0) |
|---|
| | 690 | break; |
|---|
| | 691 | } |
|---|
| | 692 | } |
|---|
| | 693 | } |
|---|
| | 694 | #if 0 // Should handle this |
|---|
| | 695 | else if (e1->op == TOKarrayliteral && e2->op == TOKstring) |
|---|
| | 696 | { |
|---|
| | 697 | } |
|---|
| | 698 | #endif |
|---|
| | 699 | else if (e1->isConst() != 1 || e2->isConst() != 1) |
|---|
| | 700 | return EXP_CANT_INTERPRET; |
|---|
| | 701 | else if (e1->type->isreal()) |
|---|
| | 702 | { |
|---|
| | 703 | r1 = e1->toReal(); |
|---|
| | 704 | r2 = e2->toReal(); |
|---|
| | 705 | goto L1; |
|---|
| | 706 | } |
|---|
| | 707 | else if (e1->type->isimaginary()) |
|---|
| | 708 | { |
|---|
| | 709 | r1 = e1->toImaginary(); |
|---|
| | 710 | r2 = e2->toImaginary(); |
|---|
| | 711 | L1: |
|---|
| | 712 | #if __DMC__ |
|---|
| | 713 | cmp = (r1 == r2); |
|---|
| | 714 | #else |
|---|
| | 715 | if (isnan(r1) || isnan(r2)) // if unordered |
|---|
| | 716 | { |
|---|
| | 717 | cmp = 0; |
|---|
| | 718 | } |
|---|
| | 719 | else |
|---|
| | 720 | { |
|---|
| | 721 | cmp = (r1 == r2); |
|---|
| | 722 | } |
|---|
| | 723 | #endif |
|---|
| | 724 | } |
|---|
| | 725 | else if (e1->type->iscomplex()) |
|---|
| | 726 | { |
|---|
| | 727 | cmp = e1->toComplex() == e2->toComplex(); |
|---|
| | 728 | } |
|---|
| | 729 | else if (e1->type->isintegral()) |
|---|
| | 730 | { |
|---|
| | 731 | cmp = (e1->toInteger() == e2->toInteger()); |
|---|
| | 732 | } |
|---|
| | 733 | else |
|---|
| | 734 | return EXP_CANT_INTERPRET; |
|---|
| | 735 | if (op == TOKnotequal) |
|---|
| | 736 | cmp ^= 1; |
|---|
| | 737 | e = new IntegerExp(loc, cmp, type); |
|---|
| | 738 | return e; |
|---|
| | 739 | } |
|---|
| | 740 | |
|---|
| | 741 | Expression *Identity(enum TOK op, Type *type, Expression *e1, Expression *e2) |
|---|
| | 742 | { Expression *e; |
|---|
| | 743 | Loc loc = e1->loc; |
|---|
| | 744 | int cmp; |
|---|
| | 745 | |
|---|
| | 746 | if (e1->op == TOKsymoff && e2->op == TOKsymoff) |
|---|
| | 747 | { |
|---|
| | 748 | SymOffExp *es1 = (SymOffExp *)e1; |
|---|
| | 749 | SymOffExp *es2 = (SymOffExp *)e2; |
|---|
| | 750 | |
|---|
| | 751 | cmp = (es1->var == es2->var && es1->offset == es2->offset); |
|---|
| | 752 | } |
|---|
| | 753 | else if (e1->isConst() == 1 && e2->isConst() == 1) |
|---|
| | 754 | return Equal((op == TOKidentity) ? TOKequal : TOKnotequal, |
|---|
| | 755 | type, e1, e2); |
|---|
| | 756 | else |
|---|
| | 757 | assert(0); |
|---|
| | 758 | if (op == TOKnotidentity) |
|---|
| | 759 | cmp ^= 1; |
|---|
| | 760 | return new IntegerExp(loc, cmp, type); |
|---|
| | 761 | } |
|---|
| | 762 | |
|---|
| | 763 | |
|---|
| | 764 | Expression *Cmp(enum TOK op, Type *type, Expression *e1, Expression *e2) |
|---|
| | 765 | { Expression *e; |
|---|
| | 766 | Loc loc = e1->loc; |
|---|
| | 767 | integer_t n; |
|---|
| | 768 | real_t r1; |
|---|
| | 769 | real_t r2; |
|---|
| | 770 | |
|---|
| | 771 | if (e1->type->isreal()) |
|---|
| | 772 | { |
|---|
| | 773 | r1 = e1->toReal(); |
|---|
| | 774 | r2 = e2->toReal(); |
|---|
| | 775 | goto L1; |
|---|
| | 776 | } |
|---|
| | 777 | else if (e1->type->isimaginary()) |
|---|
| | 778 | { |
|---|
| | 779 | r1 = e1->toImaginary(); |
|---|
| | 780 | r2 = e2->toImaginary(); |
|---|
| | 781 | L1: |
|---|
| | 782 | #if __DMC__ |
|---|
| | 783 | // DMC is the only compiler I know of that handles NAN arguments |
|---|
| | 784 | // correctly in comparisons. |
|---|
| | 785 | switch (op) |
|---|
| | 786 | { |
|---|
| | 787 | case TOKlt: n = r1 < r2; break; |
|---|
| | 788 | case TOKle: n = r1 <= r2; break; |
|---|
| | 789 | case TOKgt: n = r1 > r2; break; |
|---|
| | 790 | case TOKge: n = r1 >= r2; break; |
|---|
| | 791 | |
|---|
| | 792 | case TOKleg: n = r1 <>= r2; break; |
|---|
| | 793 | case TOKlg: n = r1 <> r2; break; |
|---|
| | 794 | case TOKunord: n = r1 !<>= r2; break; |
|---|
| | 795 | case TOKue: n = r1 !<> r2; break; |
|---|
| | 796 | case TOKug: n = r1 !<= r2; break; |
|---|
| | 797 | case TOKuge: n = r1 !< r2; break; |
|---|
| | 798 | case TOKul: n = r1 !>= r2; break; |
|---|
| | 799 | case TOKule: n = r1 !> r2; break; |
|---|
| | 800 | |
|---|
| | 801 | default: |
|---|
| | 802 | assert(0); |
|---|
| | 803 | } |
|---|
| | 804 | #else |
|---|
| | 805 | // Don't rely on compiler, handle NAN arguments separately |
|---|
| | 806 | #if IN_GCC |
|---|
| | 807 | if (real_isnan(&r1) || real_isnan(&r2)) // if unordered |
|---|
| | 808 | #else |
|---|
| | 809 | if (isnan(r1) || isnan(r2)) // if unordered |
|---|
| | 810 | #endif |
|---|
| | 811 | { |
|---|
| | 812 | switch (op) |
|---|
| | 813 | { |
|---|
| | 814 | case TOKlt: n = 0; break; |
|---|
| | 815 | case TOKle: n = 0; break; |
|---|
| | 816 | case TOKgt: n = 0; break; |
|---|
| | 817 | case TOKge: n = 0; break; |
|---|
| | 818 | |
|---|
| | 819 | case TOKleg: n = 0; break; |
|---|
| | 820 | case TOKlg: n = 0; break; |
|---|
| | 821 | case TOKunord: n = 1; break; |
|---|
| | 822 | case TOKue: n = 1; break; |
|---|
| | 823 | case TOKug: n = 1; break; |
|---|
| | 824 | case TOKuge: n = 1; break; |
|---|
| | 825 | case TOKul: n = 1; break; |
|---|
| | 826 | case TOKule: n = 1; break; |
|---|
| | 827 | |
|---|
| | 828 | default: |
|---|
| | 829 | assert(0); |
|---|
| | 830 | } |
|---|
| | 831 | } |
|---|
| | 832 | else |
|---|
| | 833 | { |
|---|
| | 834 | switch (op) |
|---|
| | 835 | { |
|---|
| | 836 | case TOKlt: n = r1 < r2; break; |
|---|
| | 837 | case TOKle: n = r1 <= r2; break; |
|---|
| | 838 | case TOKgt: n = r1 > r2; break; |
|---|
| | 839 | case TOKge: n = r1 >= r2; break; |
|---|
| | 840 | |
|---|
| | 841 | case TOKleg: n = 1; break; |
|---|
| | 842 | case TOKlg: n = r1 != r2; break; |
|---|
| | 843 | case TOKunord: n = 0; break; |
|---|
| | 844 | case TOKue: n = r1 == r2; break; |
|---|
| | 845 | case TOKug: n = r1 > r2; break; |
|---|
| | 846 | case TOKuge: n = r1 >= r2; break; |
|---|
| | 847 | case TOKul: n = r1 < r2; break; |
|---|
| | 848 | case TOKule: n = r1 <= r2; break; |
|---|
| | 849 | |
|---|
| | 850 | default: |
|---|
| | 851 | assert(0); |
|---|
| | 852 | } |
|---|
| | 853 | } |
|---|
| | 854 | #endif |
|---|
| | 855 | } |
|---|
| | 856 | else if (e1->type->iscomplex()) |
|---|
| | 857 | { |
|---|
| | 858 | assert(0); |
|---|
| | 859 | } |
|---|
| | 860 | else |
|---|
| | 861 | { sinteger_t n1; |
|---|
| | 862 | sinteger_t n2; |
|---|
| | 863 | |
|---|
| | 864 | n1 = e1->toInteger(); |
|---|
| | 865 | n2 = e2->toInteger(); |
|---|
| | 866 | if (e1->type->isunsigned() || e2->type->isunsigned()) |
|---|
| | 867 | { |
|---|
| | 868 | switch (op) |
|---|
| | 869 | { |
|---|
| | 870 | case TOKlt: n = ((d_uns64) n1) < ((d_uns64) n2); break; |
|---|
| | 871 | case TOKle: n = ((d_uns64) n1) <= ((d_uns64) n2); break; |
|---|
| | 872 | case TOKgt: n = ((d_uns64) n1) > ((d_uns64) n2); break; |
|---|
| | 873 | case TOKge: n = ((d_uns64) n1) >= ((d_uns64) n2); break; |
|---|
| | 874 | |
|---|
| | 875 | case TOKleg: n = 1; break; |
|---|
| | 876 | case TOKlg: n = ((d_uns64) n1) != ((d_uns64) n2); break; |
|---|
| | 877 | case TOKunord: n = 0; break; |
|---|
| | 878 | case TOKue: n = ((d_uns64) n1) == ((d_uns64) n2); break; |
|---|
| | 879 | case TOKug: n = ((d_uns64) n1) > ((d_uns64) n2); break; |
|---|
| | 880 | case TOKuge: n = ((d_uns64) n1) >= ((d_uns64) n2); break; |
|---|
| | 881 | case TOKul: n = ((d_uns64) n1) < ((d_uns64) n2); break; |
|---|
| | 882 | case TOKule: n = ((d_uns64) n1) <= ((d_uns64) n2); break; |
|---|
| | 883 | |
|---|
| | 884 | default: |
|---|
| | 885 | assert(0); |
|---|
| | 886 | } |
|---|
| | 887 | } |
|---|
| | 888 | else |
|---|
| | 889 | { |
|---|
| | 890 | switch (op) |
|---|
| | 891 | { |
|---|
| | 892 | case TOKlt: n = n1 < n2; break; |
|---|
| | 893 | case TOKle: n = n1 <= n2; break; |
|---|
| | 894 | case TOKgt: n = n1 > n2; break; |
|---|
| | 895 | case TOKge: n = n1 >= n2; break; |
|---|
| | 896 | |
|---|
| | 897 | case TOKleg: n = 1; break; |
|---|
| | 898 | case TOKlg: n = n1 != n2; break; |
|---|
| | 899 | case TOKunord: n = 0; break; |
|---|
| | 900 | case TOKue: n = n1 == n2; break; |
|---|
| | 901 | case TOKug: n = n1 > n2; break; |
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| | 902 | case TOKuge: n = n1 >= n2; break; |
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| | 903 | case TOKul: n = n1 < n2; break; |
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| | 904 | case TOKule: n = n1 <= n2; break; |
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| | 905 | |
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| | 906 | default: |
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| | 907 | assert(0); |
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| | 908 | } |
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| | 909 | } |
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| | 910 | } |
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| | 911 | e = new IntegerExp(loc, n, type); |
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| | 912 | return e; |
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| | 913 | } |
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| | 914 | |
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| | 915 | /* Also returns EXP_CANT_INTERPRET if cannot be computed. |
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| | 916 | * to: type to cast to |
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| | 917 | * type: type to paint the result |
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| | 918 | */ |
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| | 919 | |
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| | 920 | Expression *Cast(Type *type, Type *to, Expression *e1) |
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| | 921 | { Expression *e = EXP_CANT_INTERPRET; |
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| | 922 | Loc loc = e1->loc; |
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| | 923 | |
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| | 924 | //printf("Cast(type = %s, to = %s, e1 = %s)\n", type->toChars(), to->toChars(), e1->toChars()); |
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| | 925 | //printf("e1->type = %s\n", e1->type->toChars()); |
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| | 926 | if (type->equals(e1->type) && to->equals(type)) |
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| | 927 | return e1; |
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| | 928 | |
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| | 929 | if (e1->isConst() != 1) |
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| | 930 | return EXP_CANT_INTERPRET; |
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| 156 | | return new IntegerExp(loc, result, type); |
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| 157 | | } |
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| 158 | | if (type->isunsigned()) |
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| 159 | | return new IntegerExp(loc, e1->toUInteger(), type); |
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| 160 | | else |
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| 161 | | return new IntegerExp(loc, e1->toInteger(), type); |
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| 162 | | } |
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| 163 | | if (tb->isreal()) |
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| 164 | | { real_t value = e1->toReal(); |
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| 165 | | |
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| 166 | | return new RealExp(loc, value, type); |
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| 167 | | } |
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| 168 | | if (tb->isimaginary()) |
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| 169 | | { real_t value = e1->toImaginary(); |
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| 170 | | |
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| 171 | | return new RealExp(loc, value, type); |
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| 172 | | } |
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| 173 | | if (tb->iscomplex()) |
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| 174 | | { complex_t value = e1->toComplex(); |
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| 175 | | |
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| 176 | | return new ComplexExp(loc, value, type); |
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| 177 | | } |
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| 178 | | if (tb->isscalar()) |
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| 179 | | return new IntegerExp(loc, e1->toInteger(), type); |
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| 180 | | if (tb->ty != Tvoid) |
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| 181 | | error("cannot cast %s to %s", e1->type->toChars(), to->toChars()); |
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| 182 | | return this; |
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| 183 | | } |
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| 184 | | |
|---|
| 185 | | Expression *AddExp::constFold() |
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| 186 | | { |
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| 187 | | Expression *e; |
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| 188 | | |
|---|
| 189 | | //printf("AddExp::constFold(%s)\n", toChars()); |
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| 190 | | e1 = e1->constFold(); |
|---|
| 191 | | e2 = e2->constFold(); |
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| 192 | | if (e1->op == TOKsymoff && e2->op == TOKsymoff) |
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| 193 | | return this; |
|---|
| 194 | | if (type->isreal()) |
|---|
| 195 | | { |
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| 196 | | e = new RealExp(loc, e1->toReal() + e2->toReal(), type); |
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| 197 | | } |
|---|
| 198 | | else if (type->isimaginary()) |
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| 199 | | { |
|---|
| 200 | | e = new RealExp(loc, e1->toImaginary() + e2->toImaginary(), type); |
|---|
| 201 | | } |
|---|
| 202 | | else if (type->iscomplex()) |
|---|
| 203 | | { |
|---|
| 204 | | // This rigamarole is necessary so that -0.0 doesn't get |
|---|
| 205 | | // converted to +0.0 by doing an extraneous add with +0.0 |
|---|
| 206 | | complex_t c1; |
|---|
| 207 | | real_t r1; |
|---|
| 208 | | real_t i1; |
|---|
| 209 | | |
|---|
| 210 | | complex_t c2; |
|---|
| 211 | | real_t r2; |
|---|
| 212 | | real_t i2; |
|---|
| 213 | | |
|---|
| 214 | | complex_t v; |
|---|
| 215 | | int x; |
|---|
| 216 | | |
|---|
| 217 | | if (e1->type->isreal()) |
|---|
| 218 | | { r1 = e1->toReal(); |
|---|
| 219 | | x = 0; |
|---|
| 220 | | } |
|---|
| 221 | | else if (e1->type->isimaginary()) |
|---|
| 222 | | { i1 = e1->toImaginary(); |
|---|
| 223 | | x = 3; |
|---|
| 224 | | } |
|---|
| 225 | | else |
|---|
| 226 | | { c1 = e1->toComplex(); |
|---|
| 227 | | x = 6; |
|---|
| 228 | | } |
|---|
| 229 | | |
|---|
| 230 | | if (e2->type->isreal()) |
|---|
| 231 | | { r2 = e2->toReal(); |
|---|
| 232 | | } |
|---|
| 233 | | else if (e2->type->isimaginary()) |
|---|
| 234 | | { i2 = e2->toImaginary(); |
|---|
| 235 | | x += 1; |
|---|
| 236 | | } |
|---|
| 237 | | else |
|---|
| 238 | | { c2 = e2->toComplex(); |
|---|
| 239 | | x += 2; |
|---|
| 240 | | } |
|---|
| 241 | | |
|---|
| 242 | | switch (x) |
|---|
| 243 | | { |
|---|
| 244 | | #if __DMC__ |
|---|
| 245 | | case 0+0: v = (complex_t) (r1 + r2); break; |
|---|
| 246 | | case 0+1: v = r1 + i2 * I; break; |
|---|
| 247 | | case 0+2: v = r1 + c2; break; |
|---|
| 248 | | case 3+0: v = i1 * I + r2; break; |
|---|
| 249 | | case 3+1: v = (complex_t) ((i1 + i2) * I); break; |
|---|
| 250 | | case 3+2: v = i1 * I + c2; break; |
|---|
| 251 | | case 6+0: v = c1 + r2; break; |
|---|
| 252 | | case 6+1: v = c1 + i2 * I; break; |
|---|
| 253 | | case 6+2: v = c1 + c2; break; |
|---|
| 254 | | #else |
|---|
| 255 | | case 0+0: v = complex_t(r1 + r2, 0); break; |
|---|
| 256 | | case 0+1: v = complex_t(r1, i2); break; |
|---|
| 257 | | case 0+2: v = complex_t(r1 + creall(c2), cimagl(c2)); break; |
|---|
| 258 | | case 3+0: v = complex_t(r2, i1); break; |
|---|
| 259 | | case 3+1: v = complex_t(0, i1 + i2); break; |
|---|
| 260 | | case 3+2: v = complex_t(creall(c2), i1 + cimagl(c2)); break; |
|---|
| 261 | | case 6+0: v = complex_t(creall(c1) + r2, cimagl(c2)); break; |
|---|
| 262 | | case 6+1: v = complex_t(creall(c1), cimagl(c1) + i2); break; |
|---|
| 263 | | case 6+2: v = c1 + c2; break; |
|---|
| 264 | | #endif |
|---|
| 265 | | default: assert(0); |
|---|
| 266 | | } |
|---|
| 267 | | e = new ComplexExp(loc, v, type); |
|---|
| 268 | | } |
|---|
| 269 | | else if (e1->op == TOKsymoff) |
|---|
| 270 | | { |
|---|
| 271 | | SymOffExp *soe = (SymOffExp *)e1; |
|---|
| 272 | | e = new SymOffExp(loc, soe->var, soe->offset + e2->toInteger()); |
|---|
| 273 | | e->type = type; |
|---|
| 274 | | } |
|---|
| 275 | | else if (e2->op == TOKsymoff) |
|---|
| 276 | | { |
|---|
| 277 | | SymOffExp *soe = (SymOffExp *)e2; |
|---|
| 278 | | e = new SymOffExp(loc, soe->var, soe->offset + e1->toInteger()); |
|---|
| 279 | | e->type = type; |
|---|
| 280 | | } |
|---|
| | 958 | e = new IntegerExp(loc, result, type); |
|---|
| | 959 | } |
|---|
| | 960 | else if (type->isunsigned()) |
|---|
| | 961 | e = new IntegerExp(loc, e1->toUInteger(), type); |
|---|
| | 962 | else |
|---|
| | 963 | e = new IntegerExp(loc, e1->toInteger(), type); |
|---|
| | 964 | } |
|---|
| | 965 | else if (tb->isreal()) |
|---|
| | 966 | { real_t value = e1->toReal(); |
|---|
| | 967 | |
|---|
| | 968 | e = new RealExp(loc, value, type); |
|---|
| | 969 | } |
|---|
| | 970 | else if (tb->isimaginary()) |
|---|
| | 971 | { real_t value = e1->toImaginary(); |
|---|
| | 972 | |
|---|
| | 973 | e = new RealExp(loc, value, type); |
|---|
| | 974 | } |
|---|
| | 975 | else if (tb->iscomplex()) |
|---|
| | 976 | { complex_t value = e1->toComplex(); |
|---|
| | 977 | |
|---|
| | 978 | e = new ComplexExp(loc, value, type); |
|---|
| | 979 | } |
|---|
| | 980 | else if (tb->isscalar()) |
|---|
| | 981 | e = new IntegerExp(loc, e1->toInteger(), type);  |
|---|