Mercurial > projects > ddmd
annotate dmd/TypeBasic.d @ 96:acd69f84627e
further work
| author | Trass3r |
|---|---|
| date | Tue, 31 Aug 2010 02:12:15 +0200 |
| parents | 2e2a5c3f943a |
| children | e28b18c23469 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.TypeBasic; |
| 2 | |
| 3 import dmd.Type; | |
| 4 import dmd.Id; | |
| 5 import dmd.MOD; | |
| 6 import dmd.TOK; | |
| 7 import dmd.Token; | |
| 8 import dmd.TFLAGS; | |
| 9 import dmd.TY; | |
| 10 import dmd.Loc; | |
| 11 import dmd.Scope; | |
| 12 import dmd.Expression; | |
| 13 import dmd.IntegerExp; | |
| 14 import dmd.Identifier; | |
| 15 import dmd.OutBuffer; | |
| 16 import dmd.HdrGenState; | |
| 17 import dmd.CppMangleState; | |
| 18 import dmd.MATCH; | |
| 19 import dmd.RealExp; | |
| 20 import dmd.ComplexExp; | |
| 21 import dmd.Util; | |
| 22 import dmd.Port; | |
| 23 import dmd.Complex; | |
| 24 | |
| 25 class TypeBasic : Type | |
| 26 { | |
| 27 string dstring; | |
| 28 uint flags; | |
| 29 | |
| 30 this(TY ty) | |
| 31 { | |
| 32 super(ty); | |
| 33 | |
| 34 enum TFLAGSintegral = 1; | |
| 35 enum TFLAGSfloating = 2; | |
| 36 enum TFLAGSunsigned = 4; | |
| 37 enum TFLAGSreal = 8; | |
| 38 enum TFLAGSimaginary = 0x10; | |
| 39 enum TFLAGScomplex = 0x20; | |
| 40 | |
| 41 string d; | |
| 42 | |
| 43 uint flags = 0; | |
| 44 switch (ty) | |
| 45 { | |
| 46 case TY.Tvoid: d = Token.toChars(TOK.TOKvoid); | |
| 47 break; | |
| 48 | |
| 49 case TY.Tint8: d = Token.toChars(TOK.TOKint8); | |
| 50 flags |= TFLAGSintegral; | |
| 51 break; | |
| 52 | |
| 53 case TY.Tuns8: d = Token.toChars(TOK.TOKuns8); | |
| 54 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 55 break; | |
| 56 | |
| 57 case TY.Tint16: d = Token.toChars(TOK.TOKint16); | |
| 58 flags |= TFLAGSintegral; | |
| 59 break; | |
| 60 | |
| 61 case TY.Tuns16: d = Token.toChars(TOK.TOKuns16); | |
| 62 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 63 break; | |
| 64 | |
| 65 case TY.Tint32: d = Token.toChars(TOK.TOKint32); | |
| 66 flags |= TFLAGSintegral; | |
| 67 break; | |
| 68 | |
| 69 case TY.Tuns32: d = Token.toChars(TOK.TOKuns32); | |
| 70 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 71 break; | |
| 72 | |
| 73 case TY.Tfloat32: d = Token.toChars(TOK.TOKfloat32); | |
| 74 flags |= TFLAGSfloating | TFLAGSreal; | |
| 75 break; | |
| 76 | |
| 77 case TY.Tint64: d = Token.toChars(TOK.TOKint64); | |
| 78 flags |= TFLAGSintegral; | |
| 79 break; | |
| 80 | |
| 81 case TY.Tuns64: d = Token.toChars(TOK.TOKuns64); | |
| 82 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 83 break; | |
| 84 | |
| 85 case TY.Tfloat64: d = Token.toChars(TOK.TOKfloat64); | |
| 86 flags |= TFLAGSfloating | TFLAGSreal; | |
| 87 break; | |
| 88 | |
| 89 case TY.Tfloat80: d = Token.toChars(TOK.TOKfloat80); | |
| 90 flags |= TFLAGSfloating | TFLAGSreal; | |
| 91 break; | |
| 92 | |
| 93 case TY.Timaginary32: d = Token.toChars(TOK.TOKimaginary32); | |
| 94 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 95 break; | |
| 96 | |
| 97 case TY.Timaginary64: d = Token.toChars(TOK.TOKimaginary64); | |
| 98 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 99 break; | |
| 100 | |
| 101 case TY.Timaginary80: d = Token.toChars(TOK.TOKimaginary80); | |
| 102 flags |= TFLAGSfloating | TFLAGSimaginary; | |
| 103 break; | |
| 104 | |
| 105 case TY.Tcomplex32: d = Token.toChars(TOK.TOKcomplex32); | |
| 106 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 107 break; | |
| 108 | |
| 109 case TY.Tcomplex64: d = Token.toChars(TOK.TOKcomplex64); | |
| 110 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 111 break; | |
| 112 | |
| 113 case TY.Tcomplex80: d = Token.toChars(TOK.TOKcomplex80); | |
| 114 flags |= TFLAGSfloating | TFLAGScomplex; | |
| 115 break; | |
| 116 | |
| 117 case TY.Tbool: d = "bool"; | |
| 118 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 119 break; | |
| 120 | |
| 121 case TY.Tascii: d = Token.toChars(TOK.TOKchar); | |
| 122 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 123 break; | |
| 124 | |
| 125 case TY.Twchar: d = Token.toChars(TOK.TOKwchar); | |
| 126 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 127 break; | |
| 128 | |
| 129 case TY.Tdchar: d = Token.toChars(TOK.TOKdchar); | |
| 130 flags |= TFLAGSintegral | TFLAGSunsigned; | |
| 131 break; | |
| 132 } | |
| 133 | |
| 134 this.dstring = d; | |
| 135 this.flags = flags; | |
| 136 merge(); | |
| 137 } | |
| 138 | |
| 139 version (DumbClone) { | |
| 140 } else { | |
| 141 Type clone() | |
| 142 { | |
| 143 assert(false); | |
| 144 } | |
| 145 } | |
| 72 | 146 override Type syntaxCopy() |
| 0 | 147 { |
| 148 // No semantic analysis done on basic types, no need to copy | |
| 149 return this; | |
| 150 } | |
| 151 | |
| 72 | 152 override ulong size(Loc loc) |
| 0 | 153 { |
| 154 uint size; | |
| 155 | |
| 156 //printf("TypeBasic.size()\n"); | |
| 157 switch (ty) | |
| 158 { | |
| 159 case TY.Tint8: | |
| 160 case TY.Tuns8: size = 1; break; | |
| 161 case TY.Tint16: | |
| 162 case TY.Tuns16: size = 2; break; | |
| 163 case TY.Tint32: | |
| 164 case TY.Tuns32: | |
| 165 case TY.Tfloat32: | |
| 166 case TY.Timaginary32: | |
| 167 size = 4; break; | |
| 168 case TY.Tint64: | |
| 169 case TY.Tuns64: | |
| 170 case TY.Tfloat64: | |
| 171 case TY.Timaginary64: | |
| 172 size = 8; break; | |
| 173 case TY.Tfloat80: | |
| 174 case TY.Timaginary80: | |
| 175 size = REALSIZE; break; | |
| 176 case TY.Tcomplex32: | |
| 177 size = 8; break; | |
| 178 case TY.Tcomplex64: | |
| 179 size = 16; break; | |
| 180 case TY.Tcomplex80: | |
| 181 size = REALSIZE * 2; break; | |
| 182 | |
| 183 case TY.Tvoid: | |
| 184 //size = Type.size(); // error message | |
| 185 size = 1; | |
| 186 break; | |
| 187 | |
| 188 case TY.Tbool: size = 1; break; | |
| 189 case TY.Tascii: size = 1; break; | |
| 190 case TY.Twchar: size = 2; break; | |
| 191 case TY.Tdchar: size = 4; break; | |
| 192 | |
| 193 default: | |
| 194 assert(0); | |
| 195 break; | |
| 196 } | |
| 197 | |
| 198 //printf("TypeBasic.size() = %d\n", size); | |
| 199 return size; | |
| 200 } | |
| 201 | |
| 72 | 202 override uint alignsize() |
| 0 | 203 { |
| 204 uint sz; | |
| 205 | |
| 206 switch (ty) | |
| 207 { | |
| 208 case TY.Tfloat80: | |
| 209 case TY.Timaginary80: | |
| 210 case TY.Tcomplex80: | |
| 211 sz = REALALIGNSIZE; | |
| 212 break; | |
| 213 | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
|
214 version (POSIX) { ///TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_SOLARIS |
| 0 | 215 case TY.Tint64: |
| 216 case TY.Tuns64: | |
| 217 case TY.Tfloat64: | |
| 218 case TY.Timaginary64: | |
| 219 case TY.Tcomplex32: | |
| 220 case TY.Tcomplex64: | |
| 221 sz = 4; | |
| 222 break; | |
| 223 } | |
| 224 | |
| 225 default: | |
| 226 sz = cast(uint)size(Loc(0)); /// | |
| 227 break; | |
| 228 } | |
| 229 | |
| 230 return sz; | |
| 231 } | |
| 232 | |
| 72 | 233 override Expression getProperty(Loc loc, Identifier ident) |
| 0 | 234 { |
| 235 Expression e; | |
| 236 long ivalue; | |
| 237 real fvalue; | |
| 238 | |
| 239 //printf("TypeBasic.getProperty('%s')\n", ident.toChars()); | |
| 240 if (ident is Id.max) | |
| 241 { | |
| 242 switch (ty) | |
| 243 { | |
| 244 case TY.Tint8: ivalue = byte.max; goto Livalue; | |
| 245 case TY.Tuns8: ivalue = ubyte.max; goto Livalue; | |
| 246 case TY.Tint16: ivalue = short.max; goto Livalue; | |
| 247 case TY.Tuns16: ivalue = ushort.max; goto Livalue; | |
| 248 case TY.Tint32: ivalue = int.max; goto Livalue; | |
| 249 case TY.Tuns32: ivalue = uint.max; goto Livalue; | |
| 250 case TY.Tint64: ivalue = long.max; goto Livalue; | |
| 251 case TY.Tuns64: ivalue = ulong.max; goto Livalue; | |
| 252 case TY.Tbool: ivalue = bool.max; goto Livalue; | |
| 253 case TY.Tchar: ivalue = char.max; goto Livalue; | |
| 254 case TY.Twchar: ivalue = wchar.max; goto Livalue; | |
| 255 case TY.Tdchar: ivalue = 0x10FFFF; goto Livalue; | |
| 256 case TY.Tcomplex32: | |
| 257 case TY.Timaginary32: | |
| 258 case TY.Tfloat32: fvalue = float.max; goto Lfvalue; | |
| 259 case TY.Tcomplex64: | |
| 260 case TY.Timaginary64: | |
| 261 case TY.Tfloat64: fvalue = double.max;goto Lfvalue; | |
| 262 case TY.Tcomplex80: | |
| 263 case TY.Timaginary80: | |
| 264 case TY.Tfloat80: fvalue = real.max; goto Lfvalue; | |
| 265 } | |
| 266 } | |
| 267 else if (ident is Id.min) | |
| 268 { | |
| 269 switch (ty) | |
| 270 { | |
| 271 case TY.Tint8: ivalue = byte.min; goto Livalue; | |
| 272 case TY.Tuns8: ivalue = ubyte.min; goto Livalue; | |
| 273 case TY.Tint16: ivalue = short.min; goto Livalue; | |
| 274 case TY.Tuns16: ivalue = ushort.min; goto Livalue; | |
| 275 case TY.Tint32: ivalue = int.min; goto Livalue; | |
| 276 case TY.Tuns32: ivalue = uint.min; goto Livalue; | |
| 277 case TY.Tint64: ivalue = long.min; goto Livalue; | |
| 278 case TY.Tuns64: ivalue = ulong.min; goto Livalue; | |
| 279 case TY.Tbool: ivalue = bool.min; goto Livalue; | |
| 280 case TY.Tchar: ivalue = char.min; goto Livalue; | |
| 281 case TY.Twchar: ivalue = wchar.min; goto Livalue; | |
| 282 case TY.Tdchar: ivalue = dchar.min; goto Livalue; | |
| 283 case TY.Tcomplex32: | |
| 284 case TY.Timaginary32: | |
| 96 | 285 case Tfloat32: |
| 286 case Tcomplex64: | |
| 287 case Timaginary64: | |
| 288 case Tfloat64: | |
| 289 case Tcomplex80: | |
| 290 case Timaginary80: | |
| 291 case Tfloat80: | |
| 292 // For backwards compatibility - eventually, deprecate | |
| 293 goto Lmin_normal; | |
| 294 } | |
| 295 } | |
| 296 else if (ident == Id.min_normal) | |
| 297 { | |
| 298 Lmin_normal: | |
| 299 switch (ty) | |
| 300 { | |
| 301 case Tcomplex32: | |
| 302 case Timaginary32: | |
| 0 | 303 case TY.Tfloat32: fvalue = float.min; goto Lfvalue; |
| 304 case TY.Tcomplex64: | |
| 305 case TY.Timaginary64: | |
| 306 case TY.Tfloat64: fvalue = double.min; goto Lfvalue; | |
| 307 case TY.Tcomplex80: | |
| 308 case TY.Timaginary80: | |
| 309 case TY.Tfloat80: fvalue = real.min; goto Lfvalue; | |
| 310 } | |
| 311 } | |
| 312 else if (ident is Id.nan) | |
| 313 { | |
| 314 switch (ty) | |
| 315 { | |
| 316 case TY.Tcomplex32: | |
| 317 case TY.Tcomplex64: | |
| 318 case TY.Tcomplex80: | |
| 319 case TY.Timaginary32: | |
| 320 case TY.Timaginary64: | |
| 321 case TY.Timaginary80: | |
| 322 case TY.Tfloat32: | |
| 323 case TY.Tfloat64: | |
| 324 case TY.Tfloat80: | |
| 325 { | |
| 326 fvalue = real.nan; | |
| 327 goto Lfvalue; | |
| 328 } | |
| 329 } | |
| 330 } | |
| 331 else if (ident is Id.infinity) | |
| 332 { | |
| 333 switch (ty) | |
| 334 { | |
| 335 case TY.Tcomplex32: | |
| 336 case TY.Tcomplex64: | |
| 337 case TY.Tcomplex80: | |
| 338 case TY.Timaginary32: | |
| 339 case TY.Timaginary64: | |
| 340 case TY.Timaginary80: | |
| 341 case TY.Tfloat32: | |
| 342 case TY.Tfloat64: | |
| 343 case TY.Tfloat80: | |
| 344 fvalue = real.infinity; | |
| 345 goto Lfvalue; | |
| 346 } | |
| 347 } | |
| 348 else if (ident is Id.dig) | |
| 349 { | |
| 350 switch (ty) | |
| 351 { | |
| 352 case TY.Tcomplex32: | |
| 353 case TY.Timaginary32: | |
| 354 case TY.Tfloat32: ivalue = float.dig; goto Lint; | |
| 355 case TY.Tcomplex64: | |
| 356 case TY.Timaginary64: | |
| 357 case TY.Tfloat64: ivalue = double.dig; goto Lint; | |
| 358 case TY.Tcomplex80: | |
| 359 case TY.Timaginary80: | |
| 360 case TY.Tfloat80: ivalue = real.dig; goto Lint; | |
| 361 } | |
| 362 } | |
| 363 else if (ident is Id.epsilon) | |
| 364 { | |
| 365 switch (ty) | |
| 366 { | |
| 367 case TY.Tcomplex32: | |
| 368 case TY.Timaginary32: | |
| 369 case TY.Tfloat32: fvalue = float.epsilon; goto Lfvalue; | |
| 370 case TY.Tcomplex64: | |
| 371 case TY.Timaginary64: | |
| 372 case TY.Tfloat64: fvalue = double.epsilon; goto Lfvalue; | |
| 373 case TY.Tcomplex80: | |
| 374 case TY.Timaginary80: | |
| 375 case TY.Tfloat80: fvalue = real.epsilon; goto Lfvalue; | |
| 376 } | |
| 377 } | |
| 378 else if (ident is Id.mant_dig) | |
| 379 { | |
| 380 switch (ty) | |
| 381 { | |
| 382 case TY.Tcomplex32: | |
| 383 case TY.Timaginary32: | |
| 384 case TY.Tfloat32: ivalue = float.mant_dig; goto Lint; | |
| 385 case TY.Tcomplex64: | |
| 386 case TY.Timaginary64: | |
| 387 case TY.Tfloat64: ivalue = double.mant_dig; goto Lint; | |
| 388 case TY.Tcomplex80: | |
| 389 case TY.Timaginary80: | |
| 390 case TY.Tfloat80: ivalue = real.mant_dig; goto Lint; | |
| 391 } | |
| 392 } | |
| 393 else if (ident is Id.max_10_exp) | |
| 394 { | |
| 395 switch (ty) | |
| 396 { | |
| 397 case TY.Tcomplex32: | |
| 398 case TY.Timaginary32: | |
| 399 case TY.Tfloat32: ivalue = float.max_10_exp; goto Lint; | |
| 400 case TY.Tcomplex64: | |
| 401 case TY.Timaginary64: | |
| 402 case TY.Tfloat64: ivalue = double.max_10_exp; goto Lint; | |
| 403 case TY.Tcomplex80: | |
| 404 case TY.Timaginary80: | |
| 405 case TY.Tfloat80: ivalue = real.max_10_exp; goto Lint; | |
| 406 } | |
| 407 } | |
| 408 else if (ident is Id.max_exp) | |
| 409 { | |
| 410 switch (ty) | |
| 411 { | |
| 412 case TY.Tcomplex32: | |
| 413 case TY.Timaginary32: | |
| 414 case TY.Tfloat32: ivalue = float.max_exp; goto Lint; | |
| 415 case TY.Tcomplex64: | |
| 416 case TY.Timaginary64: | |
| 417 case TY.Tfloat64: ivalue = double.max_exp; goto Lint; | |
| 418 case TY.Tcomplex80: | |
| 419 case TY.Timaginary80: | |
| 420 case TY.Tfloat80: ivalue = real.max_exp; goto Lint; | |
| 421 } | |
| 422 } | |
| 423 else if (ident is Id.min_10_exp) | |
| 424 { | |
| 425 switch (ty) | |
| 426 { | |
| 427 case TY.Tcomplex32: | |
| 428 case TY.Timaginary32: | |
| 429 case TY.Tfloat32: ivalue = float.min_10_exp; goto Lint; | |
| 430 case TY.Tcomplex64: | |
| 431 case TY.Timaginary64: | |
| 432 case TY.Tfloat64: ivalue = double.min_10_exp; goto Lint; | |
| 433 case TY.Tcomplex80: | |
| 434 case TY.Timaginary80: | |
| 435 case TY.Tfloat80: ivalue = real.min_10_exp; goto Lint; | |
| 436 } | |
| 437 } | |
| 438 else if (ident is Id.min_exp) | |
| 439 { | |
| 440 switch (ty) | |
| 441 { | |
| 442 case TY.Tcomplex32: | |
| 443 case TY.Timaginary32: | |
| 444 case TY.Tfloat32: ivalue = float.min_exp; goto Lint; | |
| 445 case TY.Tcomplex64: | |
| 446 case TY.Timaginary64: | |
| 447 case TY.Tfloat64: ivalue = double.min_exp; goto Lint; | |
| 448 case TY.Tcomplex80: | |
| 449 case TY.Timaginary80: | |
| 450 case TY.Tfloat80: ivalue = real.min_exp; goto Lint; | |
| 451 } | |
| 452 } | |
| 453 | |
| 454 Ldefault: | |
| 455 return Type.getProperty(loc, ident); | |
| 456 | |
| 457 Livalue: | |
| 458 e = new IntegerExp(loc, ivalue, this); | |
| 459 return e; | |
| 460 | |
| 461 Lfvalue: | |
| 462 if (isreal() || isimaginary()) | |
| 463 e = new RealExp(loc, fvalue, this); | |
| 464 else | |
| 465 { | |
| 466 Complex!(real) cvalue; | |
| 467 cvalue.re = fvalue; | |
| 468 cvalue.im = fvalue; | |
| 469 | |
| 470 //for (int i = 0; i < 20; i++) | |
| 96 | 471 // printf("%02x ", ((unsigned char *)&cvalue)[i]); |
| 0 | 472 //printf("\n"); |
| 473 e = new ComplexExp(loc, cvalue, this); | |
| 474 } | |
| 475 return e; | |
| 476 | |
| 477 Lint: | |
| 478 e = new IntegerExp(loc, ivalue, Type.tint32); | |
| 479 return e; | |
| 480 } | |
| 481 | |
| 72 | 482 override Expression dotExp(Scope sc, Expression e, Identifier ident) |
| 0 | 483 { |
| 484 version (LOGDOTEXP) { | |
| 485 printf("TypeBasic.dotExp(e = '%s', ident = '%s')\n", e.toChars(), ident.toChars()); | |
| 486 } | |
| 487 Type t; | |
| 488 | |
| 489 if (ident is Id.re) | |
| 490 { | |
| 491 switch (ty) | |
| 492 { | |
| 493 case TY.Tcomplex32: t = tfloat32; goto L1; | |
| 494 case TY.Tcomplex64: t = tfloat64; goto L1; | |
| 495 case TY.Tcomplex80: t = tfloat80; goto L1; | |
| 496 L1: | |
| 497 e = e.castTo(sc, t); | |
| 498 break; | |
| 499 | |
| 500 case TY.Tfloat32: | |
| 501 case TY.Tfloat64: | |
| 502 case TY.Tfloat80: | |
| 503 break; | |
| 504 | |
| 505 case TY.Timaginary32: t = tfloat32; goto L2; | |
| 506 case TY.Timaginary64: t = tfloat64; goto L2; | |
| 507 case TY.Timaginary80: t = tfloat80; goto L2; | |
| 508 L2: | |
| 509 e = new RealExp(Loc(0), 0.0, t); | |
| 510 break; | |
| 511 | |
| 512 default: | |
| 513 return Type.getProperty(e.loc, ident); | |
| 514 } | |
| 515 } | |
| 516 else if (ident is Id.im) | |
| 517 { | |
| 518 Type t2; | |
| 519 | |
| 520 switch (ty) | |
| 521 { | |
| 522 case TY.Tcomplex32: t = timaginary32; t2 = tfloat32; goto L3; | |
| 523 case TY.Tcomplex64: t = timaginary64; t2 = tfloat64; goto L3; | |
| 524 case TY.Tcomplex80: t = timaginary80; t2 = tfloat80; goto L3; | |
| 525 L3: | |
| 526 e = e.castTo(sc, t); | |
| 527 e.type = t2; | |
| 528 break; | |
| 529 | |
| 530 case TY.Timaginary32: t = tfloat32; goto L4; | |
| 531 case TY.Timaginary64: t = tfloat64; goto L4; | |
| 532 case TY.Timaginary80: t = tfloat80; goto L4; | |
| 533 L4: | |
| 534 e = e.copy(); | |
| 535 e.type = t; | |
| 536 break; | |
| 537 | |
| 538 case TY.Tfloat32: | |
| 539 case TY.Tfloat64: | |
| 540 case TY.Tfloat80: | |
| 541 e = new RealExp(Loc(0), 0.0, this); | |
| 542 break; | |
| 543 | |
| 544 default: | |
| 545 return Type.getProperty(e.loc, ident); | |
| 546 } | |
| 547 } | |
| 548 else | |
| 549 { | |
| 550 return Type.dotExp(sc, e, ident); | |
| 551 } | |
| 552 return e; | |
| 553 } | |
| 554 | |
| 72 | 555 override string toChars() |
| 0 | 556 { |
| 557 return Type.toChars(); | |
| 558 } | |
| 559 | |
| 72 | 560 override void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) |
| 0 | 561 { |
| 562 //printf("TypeBasic.toCBuffer2(mod = %d, this.mod = %d)\n", mod, this.mod); | |
| 563 if (mod != this.mod) | |
| 564 { | |
| 565 toCBuffer3(buf, hgs, mod); | |
| 566 return; | |
| 567 } | |
| 568 buf.writestring(dstring); | |
| 569 } | |
| 570 | |
| 571 version (CPP_MANGLE) { | |
| 572 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 573 { | |
| 574 assert(false); | |
| 575 } | |
| 576 } | |
| 72 | 577 override bool isintegral() |
| 0 | 578 { |
| 579 //printf("TypeBasic.isintegral('%s') x%x\n", toChars(), flags); | |
| 580 return (flags & TFLAGS.TFLAGSintegral) != 0; | |
| 581 } | |
| 582 | |
| 583 bool isbit() | |
| 584 { | |
| 585 assert(false); | |
| 586 } | |
| 587 | |
| 72 | 588 override bool isfloating() |
| 0 | 589 { |
| 590 return (flags & TFLAGS.TFLAGSfloating) != 0; | |
| 591 } | |
| 592 | |
| 72 | 593 override bool isreal() |
| 0 | 594 { |
| 595 return (flags & TFLAGS.TFLAGSreal) != 0; | |
| 596 } | |
| 597 | |
| 72 | 598 override bool isimaginary() |
| 0 | 599 { |
| 600 return (flags & TFLAGS.TFLAGSimaginary) != 0; | |
| 601 } | |
| 602 | |
| 72 | 603 override bool iscomplex() |
| 0 | 604 { |
| 605 return (flags & TFLAGS.TFLAGScomplex) != 0; | |
| 606 } | |
| 607 | |
| 72 | 608 override bool isscalar() |
| 0 | 609 { |
| 610 return (flags & (TFLAGS.TFLAGSintegral | TFLAGS.TFLAGSfloating)) != 0; | |
| 611 } | |
| 612 | |
| 72 | 613 override bool isunsigned() |
| 0 | 614 { |
| 615 return (flags & TFLAGS.TFLAGSunsigned) != 0; | |
| 616 } | |
| 617 | |
| 72 | 618 override MATCH implicitConvTo(Type to) |
| 0 | 619 { |
| 620 //printf("TypeBasic.implicitConvTo(%s) from %s\n", to.toChars(), toChars()); | |
| 621 if (this is to) | |
| 622 return MATCH.MATCHexact; | |
| 623 | |
| 624 version (DMDV2) { | |
| 625 if (ty is to.ty) | |
| 626 { | |
| 627 return (mod == to.mod) ? MATCH.MATCHexact : MATCH.MATCHconst; | |
| 628 } | |
| 629 } | |
| 630 | |
| 631 if (ty == TY.Tvoid || to.ty == TY.Tvoid) | |
| 632 return MATCH.MATCHnomatch; | |
| 633 if (to.ty == TY.Tbool) | |
| 634 return MATCH.MATCHnomatch; | |
| 635 if (!to.isTypeBasic()) | |
| 636 return MATCH.MATCHnomatch; | |
| 637 | |
| 638 TypeBasic tob = cast(TypeBasic)to; | |
| 639 if (flags & TFLAGS.TFLAGSintegral) | |
| 640 { | |
| 641 // Disallow implicit conversion of integers to imaginary or complex | |
| 642 if (tob.flags & (TFLAGS.TFLAGSimaginary | TFLAGS.TFLAGScomplex)) | |
| 643 return MATCH.MATCHnomatch; | |
| 644 | |
| 645 version (DMDV2) { | |
| 646 // If converting from integral to integral | |
| 647 if (1 && tob.flags & TFLAGS.TFLAGSintegral) | |
| 648 { ulong sz = size(Loc(0)); | |
| 649 ulong tosz = tob.size(Loc(0)); | |
| 650 | |
| 651 /* Can't convert to smaller size | |
| 652 */ | |
| 653 if (sz > tosz) | |
| 654 return MATCH.MATCHnomatch; | |
| 655 | |
| 656 /* Can't change sign if same size | |
| 657 */ | |
| 658 /*if (sz == tosz && (flags ^ tob.flags) & TFLAGSunsigned) | |
| 659 return MATCH.MATCHnomatch;*/ | |
| 660 } | |
| 661 } | |
| 662 } | |
| 663 else if (flags & TFLAGS.TFLAGSfloating) | |
| 664 { | |
| 665 // Disallow implicit conversion of floating point to integer | |
| 666 if (tob.flags & TFLAGS.TFLAGSintegral) | |
| 667 return MATCH.MATCHnomatch; | |
| 668 | |
| 669 assert(tob.flags & TFLAGS.TFLAGSfloating); | |
| 670 | |
| 671 // Disallow implicit conversion from complex to non-complex | |
| 672 if (flags & TFLAGS.TFLAGScomplex && !(tob.flags & TFLAGS.TFLAGScomplex)) | |
| 673 return MATCH.MATCHnomatch; | |
| 674 | |
| 675 // Disallow implicit conversion of real or imaginary to complex | |
| 676 if (flags & (TFLAGS.TFLAGSreal | TFLAGS.TFLAGSimaginary) && | |
| 677 tob.flags & TFLAGS.TFLAGScomplex) | |
| 678 return MATCH.MATCHnomatch; | |
| 679 | |
| 680 // Disallow implicit conversion to-from real and imaginary | |
| 681 if ((flags & (TFLAGS.TFLAGSreal | TFLAGS.TFLAGSimaginary)) != | |
| 682 (tob.flags & (TFLAGS.TFLAGSreal | TFLAGS.TFLAGSimaginary))) | |
| 683 return MATCH.MATCHnomatch; | |
| 684 } | |
| 685 return MATCH.MATCHconvert; | |
| 686 } | |
| 687 | |
| 72 | 688 override Expression defaultInit(Loc loc) |
| 0 | 689 { |
| 690 long value = 0; | |
| 691 | |
| 692 version (SNAN_DEFAULT_INIT) { | |
| 693 /* | |
| 694 * Use a payload which is different from the machine NaN, | |
| 695 * so that uninitialised variables can be | |
| 696 * detected even if exceptions are disabled. | |
| 697 */ | |
| 698 ushort[8] snan = [ 0, 0, 0, 0xA000, 0x7FFF, 0, 0, 0 ]; | |
| 699 /* | |
| 700 * Although long doubles are 10 bytes long, some | |
| 701 * C ABIs pad them out to 12 or even 16 bytes, so | |
| 702 * leave enough space in the snan array. | |
| 703 */ | |
| 704 assert(REALSIZE <= snan.sizeof); | |
| 705 real fvalue = *cast(real*)snan.ptr; | |
| 706 } | |
| 707 | |
| 708 version (LOGDEFAULTINIT) { | |
| 709 printf("TypeBasic.defaultInit() '%s'\n", toChars()); | |
| 710 } | |
| 711 switch (ty) | |
| 712 { | |
| 713 case TY.Tchar: | |
| 714 value = 0xFF; | |
| 715 break; | |
| 716 | |
| 717 case TY.Twchar: | |
| 718 case TY.Tdchar: | |
| 719 value = 0xFFFF; | |
| 720 break; | |
| 721 | |
| 722 case TY.Timaginary32: | |
| 723 case TY.Timaginary64: | |
| 724 case TY.Timaginary80: | |
| 725 case TY.Tfloat32: | |
| 726 case TY.Tfloat64: | |
| 727 case TY.Tfloat80: | |
| 728 version (SNAN_DEFAULT_INIT) { | |
| 729 return new RealExp(loc, fvalue, this); | |
| 730 } else { | |
| 731 return getProperty(loc, Id.nan); | |
| 732 } | |
| 733 | |
| 734 case TY.Tcomplex32: | |
| 735 case TY.Tcomplex64: | |
| 736 case TY.Tcomplex80: | |
| 737 version (SNAN_DEFAULT_INIT) { | |
| 738 { | |
| 739 // Can't use fvalue + I*fvalue (the im part becomes a quiet NaN). | |
| 740 Complex!(real) cvalue; | |
| 741 cvalue.re = fvalue; | |
| 742 cvalue.im = fvalue; | |
| 743 | |
| 744 return new ComplexExp(loc, cvalue, this); | |
| 745 } | |
| 746 } else { | |
| 747 return getProperty(loc, Id.nan); | |
| 748 } | |
| 749 | |
| 750 case TY.Tvoid: | |
| 751 error(loc, "void does not have a default initializer"); | |
| 752 | |
| 753 default: | |
| 754 break; /// | |
| 755 } | |
| 756 return new IntegerExp(loc, value, this); | |
| 757 } | |
| 758 | |
| 72 | 759 override bool isZeroInit(Loc loc) |
| 0 | 760 { |
| 761 switch (ty) | |
| 762 { | |
| 763 case TY.Tchar: | |
| 764 case TY.Twchar: | |
| 765 case TY.Tdchar: | |
| 766 case TY.Timaginary32: | |
| 767 case TY.Timaginary64: | |
| 768 case TY.Timaginary80: | |
| 769 case TY.Tfloat32: | |
| 770 case TY.Tfloat64: | |
| 771 case TY.Tfloat80: | |
| 772 case TY.Tcomplex32: | |
| 773 case TY.Tcomplex64: | |
| 774 case TY.Tcomplex80: | |
| 775 return false; // no | |
| 776 default: | |
| 777 break; | |
| 778 } | |
| 779 | |
| 780 return true; // yes | |
| 781 } | |
| 782 | |
| 72 | 783 override bool builtinTypeInfo() |
| 0 | 784 { |
| 785 version (DMDV2) { | |
| 786 return mod ? false : true; | |
| 787 } else { | |
| 788 return true; | |
| 789 } | |
| 790 } | |
| 791 | |
| 792 // For eliminating dynamic_cast | |
| 72 | 793 override TypeBasic isTypeBasic() |
| 0 | 794 { |
| 795 return this; | |
| 796 } | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
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797 } |