Mercurial > projects > ddmd
annotate dmd/TypeBasic.d @ 72:2e2a5c3f943a
reduced warnings by adding override to the methods
think this also normalizes different line endings used all over the place
| author | Trass3r |
|---|---|
| date | Sat, 28 Aug 2010 16:19:48 +0200 |
| parents | fd4acc376c45 |
| children | acd69f84627e |
| 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: | |
| 285 case TY.Tfloat32: fvalue = float.min; goto Lfvalue; | |
| 286 case TY.Tcomplex64: | |
| 287 case TY.Timaginary64: | |
| 288 case TY.Tfloat64: fvalue = double.min; goto Lfvalue; | |
| 289 case TY.Tcomplex80: | |
| 290 case TY.Timaginary80: | |
| 291 case TY.Tfloat80: fvalue = real.min; goto Lfvalue; | |
| 292 } | |
| 293 } | |
| 294 else if (ident is Id.nan) | |
| 295 { | |
| 296 switch (ty) | |
| 297 { | |
| 298 case TY.Tcomplex32: | |
| 299 case TY.Tcomplex64: | |
| 300 case TY.Tcomplex80: | |
| 301 case TY.Timaginary32: | |
| 302 case TY.Timaginary64: | |
| 303 case TY.Timaginary80: | |
| 304 case TY.Tfloat32: | |
| 305 case TY.Tfloat64: | |
| 306 case TY.Tfloat80: | |
| 307 { | |
| 308 fvalue = real.nan; | |
| 309 goto Lfvalue; | |
| 310 } | |
| 311 } | |
| 312 } | |
| 313 else if (ident is Id.infinity) | |
| 314 { | |
| 315 switch (ty) | |
| 316 { | |
| 317 case TY.Tcomplex32: | |
| 318 case TY.Tcomplex64: | |
| 319 case TY.Tcomplex80: | |
| 320 case TY.Timaginary32: | |
| 321 case TY.Timaginary64: | |
| 322 case TY.Timaginary80: | |
| 323 case TY.Tfloat32: | |
| 324 case TY.Tfloat64: | |
| 325 case TY.Tfloat80: | |
| 326 fvalue = real.infinity; | |
| 327 goto Lfvalue; | |
| 328 } | |
| 329 } | |
| 330 else if (ident is Id.dig) | |
| 331 { | |
| 332 switch (ty) | |
| 333 { | |
| 334 case TY.Tcomplex32: | |
| 335 case TY.Timaginary32: | |
| 336 case TY.Tfloat32: ivalue = float.dig; goto Lint; | |
| 337 case TY.Tcomplex64: | |
| 338 case TY.Timaginary64: | |
| 339 case TY.Tfloat64: ivalue = double.dig; goto Lint; | |
| 340 case TY.Tcomplex80: | |
| 341 case TY.Timaginary80: | |
| 342 case TY.Tfloat80: ivalue = real.dig; goto Lint; | |
| 343 } | |
| 344 } | |
| 345 else if (ident is Id.epsilon) | |
| 346 { | |
| 347 switch (ty) | |
| 348 { | |
| 349 case TY.Tcomplex32: | |
| 350 case TY.Timaginary32: | |
| 351 case TY.Tfloat32: fvalue = float.epsilon; goto Lfvalue; | |
| 352 case TY.Tcomplex64: | |
| 353 case TY.Timaginary64: | |
| 354 case TY.Tfloat64: fvalue = double.epsilon; goto Lfvalue; | |
| 355 case TY.Tcomplex80: | |
| 356 case TY.Timaginary80: | |
| 357 case TY.Tfloat80: fvalue = real.epsilon; goto Lfvalue; | |
| 358 } | |
| 359 } | |
| 360 else if (ident is Id.mant_dig) | |
| 361 { | |
| 362 switch (ty) | |
| 363 { | |
| 364 case TY.Tcomplex32: | |
| 365 case TY.Timaginary32: | |
| 366 case TY.Tfloat32: ivalue = float.mant_dig; goto Lint; | |
| 367 case TY.Tcomplex64: | |
| 368 case TY.Timaginary64: | |
| 369 case TY.Tfloat64: ivalue = double.mant_dig; goto Lint; | |
| 370 case TY.Tcomplex80: | |
| 371 case TY.Timaginary80: | |
| 372 case TY.Tfloat80: ivalue = real.mant_dig; goto Lint; | |
| 373 } | |
| 374 } | |
| 375 else if (ident is Id.max_10_exp) | |
| 376 { | |
| 377 switch (ty) | |
| 378 { | |
| 379 case TY.Tcomplex32: | |
| 380 case TY.Timaginary32: | |
| 381 case TY.Tfloat32: ivalue = float.max_10_exp; goto Lint; | |
| 382 case TY.Tcomplex64: | |
| 383 case TY.Timaginary64: | |
| 384 case TY.Tfloat64: ivalue = double.max_10_exp; goto Lint; | |
| 385 case TY.Tcomplex80: | |
| 386 case TY.Timaginary80: | |
| 387 case TY.Tfloat80: ivalue = real.max_10_exp; goto Lint; | |
| 388 } | |
| 389 } | |
| 390 else if (ident is Id.max_exp) | |
| 391 { | |
| 392 switch (ty) | |
| 393 { | |
| 394 case TY.Tcomplex32: | |
| 395 case TY.Timaginary32: | |
| 396 case TY.Tfloat32: ivalue = float.max_exp; goto Lint; | |
| 397 case TY.Tcomplex64: | |
| 398 case TY.Timaginary64: | |
| 399 case TY.Tfloat64: ivalue = double.max_exp; goto Lint; | |
| 400 case TY.Tcomplex80: | |
| 401 case TY.Timaginary80: | |
| 402 case TY.Tfloat80: ivalue = real.max_exp; goto Lint; | |
| 403 } | |
| 404 } | |
| 405 else if (ident is Id.min_10_exp) | |
| 406 { | |
| 407 switch (ty) | |
| 408 { | |
| 409 case TY.Tcomplex32: | |
| 410 case TY.Timaginary32: | |
| 411 case TY.Tfloat32: ivalue = float.min_10_exp; goto Lint; | |
| 412 case TY.Tcomplex64: | |
| 413 case TY.Timaginary64: | |
| 414 case TY.Tfloat64: ivalue = double.min_10_exp; goto Lint; | |
| 415 case TY.Tcomplex80: | |
| 416 case TY.Timaginary80: | |
| 417 case TY.Tfloat80: ivalue = real.min_10_exp; goto Lint; | |
| 418 } | |
| 419 } | |
| 420 else if (ident is Id.min_exp) | |
| 421 { | |
| 422 switch (ty) | |
| 423 { | |
| 424 case TY.Tcomplex32: | |
| 425 case TY.Timaginary32: | |
| 426 case TY.Tfloat32: ivalue = float.min_exp; goto Lint; | |
| 427 case TY.Tcomplex64: | |
| 428 case TY.Timaginary64: | |
| 429 case TY.Tfloat64: ivalue = double.min_exp; goto Lint; | |
| 430 case TY.Tcomplex80: | |
| 431 case TY.Timaginary80: | |
| 432 case TY.Tfloat80: ivalue = real.min_exp; goto Lint; | |
| 433 } | |
| 434 } | |
| 435 | |
| 436 Ldefault: | |
| 437 return Type.getProperty(loc, ident); | |
| 438 | |
| 439 Livalue: | |
| 440 e = new IntegerExp(loc, ivalue, this); | |
| 441 return e; | |
| 442 | |
| 443 Lfvalue: | |
| 444 if (isreal() || isimaginary()) | |
| 445 e = new RealExp(loc, fvalue, this); | |
| 446 else | |
| 447 { | |
| 448 Complex!(real) cvalue; | |
| 449 cvalue.re = fvalue; | |
| 450 cvalue.im = fvalue; | |
| 451 | |
| 452 //for (int i = 0; i < 20; i++) | |
| 453 // printf("%02x ", ((unsigned char *)&cvalue)[i]); | |
| 454 //printf("\n"); | |
| 455 e = new ComplexExp(loc, cvalue, this); | |
| 456 } | |
| 457 return e; | |
| 458 | |
| 459 Lint: | |
| 460 e = new IntegerExp(loc, ivalue, Type.tint32); | |
| 461 return e; | |
| 462 } | |
| 463 | |
| 72 | 464 override Expression dotExp(Scope sc, Expression e, Identifier ident) |
| 0 | 465 { |
| 466 version (LOGDOTEXP) { | |
| 467 printf("TypeBasic.dotExp(e = '%s', ident = '%s')\n", e.toChars(), ident.toChars()); | |
| 468 } | |
| 469 Type t; | |
| 470 | |
| 471 if (ident is Id.re) | |
| 472 { | |
| 473 switch (ty) | |
| 474 { | |
| 475 case TY.Tcomplex32: t = tfloat32; goto L1; | |
| 476 case TY.Tcomplex64: t = tfloat64; goto L1; | |
| 477 case TY.Tcomplex80: t = tfloat80; goto L1; | |
| 478 L1: | |
| 479 e = e.castTo(sc, t); | |
| 480 break; | |
| 481 | |
| 482 case TY.Tfloat32: | |
| 483 case TY.Tfloat64: | |
| 484 case TY.Tfloat80: | |
| 485 break; | |
| 486 | |
| 487 case TY.Timaginary32: t = tfloat32; goto L2; | |
| 488 case TY.Timaginary64: t = tfloat64; goto L2; | |
| 489 case TY.Timaginary80: t = tfloat80; goto L2; | |
| 490 L2: | |
| 491 e = new RealExp(Loc(0), 0.0, t); | |
| 492 break; | |
| 493 | |
| 494 default: | |
| 495 return Type.getProperty(e.loc, ident); | |
| 496 } | |
| 497 } | |
| 498 else if (ident is Id.im) | |
| 499 { | |
| 500 Type t2; | |
| 501 | |
| 502 switch (ty) | |
| 503 { | |
| 504 case TY.Tcomplex32: t = timaginary32; t2 = tfloat32; goto L3; | |
| 505 case TY.Tcomplex64: t = timaginary64; t2 = tfloat64; goto L3; | |
| 506 case TY.Tcomplex80: t = timaginary80; t2 = tfloat80; goto L3; | |
| 507 L3: | |
| 508 e = e.castTo(sc, t); | |
| 509 e.type = t2; | |
| 510 break; | |
| 511 | |
| 512 case TY.Timaginary32: t = tfloat32; goto L4; | |
| 513 case TY.Timaginary64: t = tfloat64; goto L4; | |
| 514 case TY.Timaginary80: t = tfloat80; goto L4; | |
| 515 L4: | |
| 516 e = e.copy(); | |
| 517 e.type = t; | |
| 518 break; | |
| 519 | |
| 520 case TY.Tfloat32: | |
| 521 case TY.Tfloat64: | |
| 522 case TY.Tfloat80: | |
| 523 e = new RealExp(Loc(0), 0.0, this); | |
| 524 break; | |
| 525 | |
| 526 default: | |
| 527 return Type.getProperty(e.loc, ident); | |
| 528 } | |
| 529 } | |
| 530 else | |
| 531 { | |
| 532 return Type.dotExp(sc, e, ident); | |
| 533 } | |
| 534 return e; | |
| 535 } | |
| 536 | |
| 72 | 537 override string toChars() |
| 0 | 538 { |
| 539 return Type.toChars(); | |
| 540 } | |
| 541 | |
| 72 | 542 override void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) |
| 0 | 543 { |
| 544 //printf("TypeBasic.toCBuffer2(mod = %d, this.mod = %d)\n", mod, this.mod); | |
| 545 if (mod != this.mod) | |
| 546 { | |
| 547 toCBuffer3(buf, hgs, mod); | |
| 548 return; | |
| 549 } | |
| 550 buf.writestring(dstring); | |
| 551 } | |
| 552 | |
| 553 version (CPP_MANGLE) { | |
| 554 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 555 { | |
| 556 assert(false); | |
| 557 } | |
| 558 } | |
| 72 | 559 override bool isintegral() |
| 0 | 560 { |
| 561 //printf("TypeBasic.isintegral('%s') x%x\n", toChars(), flags); | |
| 562 return (flags & TFLAGS.TFLAGSintegral) != 0; | |
| 563 } | |
| 564 | |
| 565 bool isbit() | |
| 566 { | |
| 567 assert(false); | |
| 568 } | |
| 569 | |
| 72 | 570 override bool isfloating() |
| 0 | 571 { |
| 572 return (flags & TFLAGS.TFLAGSfloating) != 0; | |
| 573 } | |
| 574 | |
| 72 | 575 override bool isreal() |
| 0 | 576 { |
| 577 return (flags & TFLAGS.TFLAGSreal) != 0; | |
| 578 } | |
| 579 | |
| 72 | 580 override bool isimaginary() |
| 0 | 581 { |
| 582 return (flags & TFLAGS.TFLAGSimaginary) != 0; | |
| 583 } | |
| 584 | |
| 72 | 585 override bool iscomplex() |
| 0 | 586 { |
| 587 return (flags & TFLAGS.TFLAGScomplex) != 0; | |
| 588 } | |
| 589 | |
| 72 | 590 override bool isscalar() |
| 0 | 591 { |
| 592 return (flags & (TFLAGS.TFLAGSintegral | TFLAGS.TFLAGSfloating)) != 0; | |
| 593 } | |
| 594 | |
| 72 | 595 override bool isunsigned() |
| 0 | 596 { |
| 597 return (flags & TFLAGS.TFLAGSunsigned) != 0; | |
| 598 } | |
| 599 | |
| 72 | 600 override MATCH implicitConvTo(Type to) |
| 0 | 601 { |
| 602 //printf("TypeBasic.implicitConvTo(%s) from %s\n", to.toChars(), toChars()); | |
| 603 if (this is to) | |
| 604 return MATCH.MATCHexact; | |
| 605 | |
| 606 version (DMDV2) { | |
| 607 if (ty is to.ty) | |
| 608 { | |
| 609 return (mod == to.mod) ? MATCH.MATCHexact : MATCH.MATCHconst; | |
| 610 } | |
| 611 } | |
| 612 | |
| 613 if (ty == TY.Tvoid || to.ty == TY.Tvoid) | |
| 614 return MATCH.MATCHnomatch; | |
| 615 if (to.ty == TY.Tbool) | |
| 616 return MATCH.MATCHnomatch; | |
| 617 if (!to.isTypeBasic()) | |
| 618 return MATCH.MATCHnomatch; | |
| 619 | |
| 620 TypeBasic tob = cast(TypeBasic)to; | |
| 621 if (flags & TFLAGS.TFLAGSintegral) | |
| 622 { | |
| 623 // Disallow implicit conversion of integers to imaginary or complex | |
| 624 if (tob.flags & (TFLAGS.TFLAGSimaginary | TFLAGS.TFLAGScomplex)) | |
| 625 return MATCH.MATCHnomatch; | |
| 626 | |
| 627 version (DMDV2) { | |
| 628 // If converting from integral to integral | |
| 629 if (1 && tob.flags & TFLAGS.TFLAGSintegral) | |
| 630 { ulong sz = size(Loc(0)); | |
| 631 ulong tosz = tob.size(Loc(0)); | |
| 632 | |
| 633 /* Can't convert to smaller size | |
| 634 */ | |
| 635 if (sz > tosz) | |
| 636 return MATCH.MATCHnomatch; | |
| 637 | |
| 638 /* Can't change sign if same size | |
| 639 */ | |
| 640 /*if (sz == tosz && (flags ^ tob.flags) & TFLAGSunsigned) | |
| 641 return MATCH.MATCHnomatch;*/ | |
| 642 } | |
| 643 } | |
| 644 } | |
| 645 else if (flags & TFLAGS.TFLAGSfloating) | |
| 646 { | |
| 647 // Disallow implicit conversion of floating point to integer | |
| 648 if (tob.flags & TFLAGS.TFLAGSintegral) | |
| 649 return MATCH.MATCHnomatch; | |
| 650 | |
| 651 assert(tob.flags & TFLAGS.TFLAGSfloating); | |
| 652 | |
| 653 // Disallow implicit conversion from complex to non-complex | |
| 654 if (flags & TFLAGS.TFLAGScomplex && !(tob.flags & TFLAGS.TFLAGScomplex)) | |
| 655 return MATCH.MATCHnomatch; | |
| 656 | |
| 657 // Disallow implicit conversion of real or imaginary to complex | |
| 658 if (flags & (TFLAGS.TFLAGSreal | TFLAGS.TFLAGSimaginary) && | |
| 659 tob.flags & TFLAGS.TFLAGScomplex) | |
| 660 return MATCH.MATCHnomatch; | |
| 661 | |
| 662 // Disallow implicit conversion to-from real and imaginary | |
| 663 if ((flags & (TFLAGS.TFLAGSreal | TFLAGS.TFLAGSimaginary)) != | |
| 664 (tob.flags & (TFLAGS.TFLAGSreal | TFLAGS.TFLAGSimaginary))) | |
| 665 return MATCH.MATCHnomatch; | |
| 666 } | |
| 667 return MATCH.MATCHconvert; | |
| 668 } | |
| 669 | |
| 72 | 670 override Expression defaultInit(Loc loc) |
| 0 | 671 { |
| 672 long value = 0; | |
| 673 | |
| 674 version (SNAN_DEFAULT_INIT) { | |
| 675 /* | |
| 676 * Use a payload which is different from the machine NaN, | |
| 677 * so that uninitialised variables can be | |
| 678 * detected even if exceptions are disabled. | |
| 679 */ | |
| 680 ushort[8] snan = [ 0, 0, 0, 0xA000, 0x7FFF, 0, 0, 0 ]; | |
| 681 /* | |
| 682 * Although long doubles are 10 bytes long, some | |
| 683 * C ABIs pad them out to 12 or even 16 bytes, so | |
| 684 * leave enough space in the snan array. | |
| 685 */ | |
| 686 assert(REALSIZE <= snan.sizeof); | |
| 687 real fvalue = *cast(real*)snan.ptr; | |
| 688 } | |
| 689 | |
| 690 version (LOGDEFAULTINIT) { | |
| 691 printf("TypeBasic.defaultInit() '%s'\n", toChars()); | |
| 692 } | |
| 693 switch (ty) | |
| 694 { | |
| 695 case TY.Tchar: | |
| 696 value = 0xFF; | |
| 697 break; | |
| 698 | |
| 699 case TY.Twchar: | |
| 700 case TY.Tdchar: | |
| 701 value = 0xFFFF; | |
| 702 break; | |
| 703 | |
| 704 case TY.Timaginary32: | |
| 705 case TY.Timaginary64: | |
| 706 case TY.Timaginary80: | |
| 707 case TY.Tfloat32: | |
| 708 case TY.Tfloat64: | |
| 709 case TY.Tfloat80: | |
| 710 version (SNAN_DEFAULT_INIT) { | |
| 711 return new RealExp(loc, fvalue, this); | |
| 712 } else { | |
| 713 return getProperty(loc, Id.nan); | |
| 714 } | |
| 715 | |
| 716 case TY.Tcomplex32: | |
| 717 case TY.Tcomplex64: | |
| 718 case TY.Tcomplex80: | |
| 719 version (SNAN_DEFAULT_INIT) { | |
| 720 { | |
| 721 // Can't use fvalue + I*fvalue (the im part becomes a quiet NaN). | |
| 722 Complex!(real) cvalue; | |
| 723 cvalue.re = fvalue; | |
| 724 cvalue.im = fvalue; | |
| 725 | |
| 726 return new ComplexExp(loc, cvalue, this); | |
| 727 } | |
| 728 } else { | |
| 729 return getProperty(loc, Id.nan); | |
| 730 } | |
| 731 | |
| 732 case TY.Tvoid: | |
| 733 error(loc, "void does not have a default initializer"); | |
| 734 | |
| 735 default: | |
| 736 break; /// | |
| 737 } | |
| 738 return new IntegerExp(loc, value, this); | |
| 739 } | |
| 740 | |
| 72 | 741 override bool isZeroInit(Loc loc) |
| 0 | 742 { |
| 743 switch (ty) | |
| 744 { | |
| 745 case TY.Tchar: | |
| 746 case TY.Twchar: | |
| 747 case TY.Tdchar: | |
| 748 case TY.Timaginary32: | |
| 749 case TY.Timaginary64: | |
| 750 case TY.Timaginary80: | |
| 751 case TY.Tfloat32: | |
| 752 case TY.Tfloat64: | |
| 753 case TY.Tfloat80: | |
| 754 case TY.Tcomplex32: | |
| 755 case TY.Tcomplex64: | |
| 756 case TY.Tcomplex80: | |
| 757 return false; // no | |
| 758 default: | |
| 759 break; | |
| 760 } | |
| 761 | |
| 762 return true; // yes | |
| 763 } | |
| 764 | |
| 72 | 765 override bool builtinTypeInfo() |
| 0 | 766 { |
| 767 version (DMDV2) { | |
| 768 return mod ? false : true; | |
| 769 } else { | |
| 770 return true; | |
| 771 } | |
| 772 } | |
| 773 | |
| 774 // For eliminating dynamic_cast | |
| 72 | 775 override TypeBasic isTypeBasic() |
| 0 | 776 { |
| 777 return this; | |
| 778 } | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
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779 } |