Mercurial > projects > ddmd
annotate dmd/ArrayInitializer.d @ 191:52188e7e3fb5
Fixed deprecated features, now compiles with DMD2.058
Also changed Array allocation policy:
Now doesn't reallocate but malloc's, followed by a memcpy (no free).
(this fixes a crash while compiling druntime. Same bug in dmd)
| author | korDen@korDen-pc |
|---|---|
| date | Sun, 25 Mar 2012 03:11:12 +0400 |
| parents | b0d41ff5e0df |
| children |
| rev | line source |
|---|---|
| 0 | 1 module dmd.ArrayInitializer; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.ArrayTypes; |
| 5 import dmd.Type; | |
| 79 | 6 import dmd.TypeAArray; |
| 0 | 7 import dmd.TypeNext; |
| 8 import dmd.Array; | |
| 9 import dmd.Loc; | |
| 10 import dmd.Initializer; | |
| 11 import dmd.WANT; | |
| 12 import dmd.Util; | |
| 13 import dmd.TY; | |
| 14 import dmd.TypeSArray; | |
| 15 import dmd.IntegerExp; | |
| 16 import dmd.Expression; | |
| 17 import dmd.ArrayLiteralExp; | |
| 156 | 18 import dmd.AssocArrayLiteralExp; |
| 0 | 19 import dmd.Scope; |
| 20 import dmd.ErrorExp; | |
| 21 import dmd.OutBuffer; | |
| 22 import dmd.HdrGenState; | |
| 23 | |
| 24 import dmd.backend.dt_t; | |
| 25 import dmd.backend.Util; | |
| 26 import dmd.codegen.Util; | |
| 27 import dmd.backend.TYM; | |
| 28 import dmd.backend.Symbol; | |
| 29 | |
|
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30 import dmd.DDMDExtensions; |
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31 |
| 0 | 32 class ArrayInitializer : Initializer |
| 33 { | |
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34 mixin insertMemberExtension!(typeof(this)); |
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35 |
| 0 | 36 Expressions index; // indices |
| 37 Initializers value; // of Initializer *'s | |
| 38 uint dim = 0; // length of array being initialized | |
| 39 Type type = null; // type that array will be used to initialize | |
| 40 int sem = 0; // !=0 if semantic() is run | |
| 41 | |
| 42 this(Loc loc) | |
| 43 { | |
| 178 | 44 register(); |
| 0 | 45 super(loc); |
| 46 index = new Expressions(); | |
| 47 value = new Initializers(); | |
| 48 } | |
| 49 | |
| 72 | 50 override Initializer syntaxCopy() |
| 0 | 51 { |
| 52 //printf("ArrayInitializer.syntaxCopy()\n"); | |
| 53 | |
| 54 ArrayInitializer ai = new ArrayInitializer(loc); | |
| 55 | |
| 56 assert(index.dim == value.dim); | |
| 57 ai.index.setDim(index.dim); | |
| 58 ai.value.setDim(value.dim); | |
| 59 for (int i = 0; i < ai.value.dim; i++) | |
| 60 { | |
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61 Expression e = index[i]; |
| 0 | 62 if (e) |
| 63 e = e.syntaxCopy(); | |
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64 ai.index[i] = e; |
| 0 | 65 |
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66 auto init = value[i]; |
| 0 | 67 init = init.syntaxCopy(); |
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68 ai.value[i] = init; |
| 0 | 69 } |
| 70 return ai; | |
| 71 } | |
| 72 | |
| 73 void addInit(Expression index, Initializer value) | |
| 74 { | |
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75 this.index.push(index); |
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76 this.value.push(value); |
| 0 | 77 dim = 0; |
| 78 type = null; | |
| 79 } | |
| 80 | |
| 72 | 81 override Initializer semantic(Scope sc, Type t) |
| 0 | 82 { |
| 83 uint length; | |
| 84 | |
| 85 //printf("ArrayInitializer.semantic(%s)\n", t.toChars()); | |
| 86 if (sem) // if semantic() already run | |
| 87 return this; | |
| 88 | |
| 89 sem = 1; | |
| 90 type = t; | |
| 91 t = t.toBasetype(); | |
| 92 switch (t.ty) | |
| 93 { | |
| 94 case Tpointer: | |
| 95 case Tsarray: | |
| 96 case Tarray: | |
| 97 break; | |
| 98 | |
| 99 default: | |
| 100 error(loc, "cannot use array to initialize %s", type.toChars()); | |
| 101 return this; | |
| 102 } | |
| 103 | |
| 104 length = 0; | |
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105 foreach (size_t i, Expression idx; index) |
| 0 | 106 { |
| 107 if (idx) | |
| 108 { | |
| 109 idx = idx.semantic(sc); | |
| 110 idx = idx.optimize(WANTvalue | WANTinterpret); | |
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111 index[i] = idx; |
| 0 | 112 length = cast(uint)idx.toInteger(); |
| 113 } | |
| 114 | |
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115 Initializer val = value[i]; |
| 0 | 116 val = val.semantic(sc, t.nextOf()); |
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117 value[i] = val; |
| 0 | 118 length++; |
| 119 if (length == 0) | |
| 120 error(loc, "array dimension overflow"); | |
| 121 if (length > dim) | |
| 122 dim = length; | |
| 123 } | |
| 124 uint amax = 0x80000000; | |
| 125 if (cast(uint) (dim * t.nextOf().size()) >= amax) | |
| 126 error(loc, "array dimension %u exceeds max of %ju", dim, amax / t.nextOf().size()); | |
| 127 | |
| 128 return this; | |
| 129 } | |
| 130 | |
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131 int isAssociativeArray() |
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132 { |
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133 for (size_t i = 0; i < value.dim; i++) |
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134 { |
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135 if (index[i]) |
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136 return 1; |
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137 } |
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138 return 0; |
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139 } |
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140 |
| 72 | 141 override Type inferType(Scope sc) |
| 0 | 142 { |
| 143 //printf("ArrayInitializer.inferType() %s\n", toChars()); | |
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144 assert(0); |
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145 return null; |
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146 static if (false) { |
| 0 | 147 type = Type.terror; |
| 148 for (size_t i = 0; i < value.dim; i++) | |
| 149 { | |
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150 if (index[i]) |
| 79 | 151 goto Laa; |
| 0 | 152 } |
| 153 | |
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154 foreach (size_t i, Initializer iz; value) |
| 0 | 155 { |
| 156 if (iz) | |
| 157 { | |
| 158 Type t = iz.inferType(sc); | |
| 159 if (i == 0) | |
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160 { /* BUG: This gets the type from the first element. |
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161 * Fix to use all the elements to figure out the type. |
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162 */ |
| 0 | 163 t = new TypeSArray(t, new IntegerExp(value.dim)); |
| 164 t = t.semantic(loc, sc); | |
| 165 type = t; | |
| 166 } | |
| 167 } | |
| 168 } | |
| 169 return type; | |
| 170 | |
| 79 | 171 Laa: |
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172 /* It's possibly an associative array initializer. |
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173 * BUG: inferring type from first member. |
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174 */ |
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175 Initializer iz = value[0]; |
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176 Expression indexinit = index[0]; |
| 79 | 177 if (iz && indexinit) |
| 178 { | |
| 179 Type t = iz.inferType(sc); | |
| 180 indexinit = indexinit.semantic(sc); | |
| 181 Type indext = indexinit.type; | |
| 182 t = new TypeAArray(t, indext); | |
| 183 type = t.semantic(loc, sc); | |
| 184 } | |
| 185 else | |
| 186 error(loc, "cannot infer type from this array initializer"); | |
| 187 return type; | |
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188 } |
| 0 | 189 } |
| 190 | |
| 191 /******************************** | |
| 192 * If possible, convert array initializer to array literal. | |
| 73 | 193 * Otherwise return null. |
| 0 | 194 */ |
| 72 | 195 override Expression toExpression() |
| 0 | 196 { |
| 197 Expression e; | |
| 198 | |
| 199 //printf("ArrayInitializer.toExpression(), dim = %d\n", dim); | |
| 200 //static int i; if (++i == 2) halt(); | |
| 201 | |
| 202 size_t edim; | |
| 203 Type t = null; | |
| 204 if (type) | |
| 205 { | |
| 79 | 206 if (type == Type.terror) |
| 207 return new ErrorExp(); | |
| 208 | |
| 0 | 209 t = type.toBasetype(); |
| 210 switch (t.ty) | |
| 211 { | |
| 212 case Tsarray: | |
| 213 edim = cast(uint)(cast(TypeSArray)t).dim.toInteger(); | |
| 214 break; | |
| 215 | |
| 216 case Tpointer: | |
| 217 case Tarray: | |
| 218 edim = dim; | |
| 219 break; | |
| 220 | |
| 221 default: | |
| 222 assert(0); | |
| 223 } | |
| 224 } | |
| 225 else | |
| 226 { | |
| 227 edim = value.dim; | |
| 228 for (size_t i = 0, j = 0; i < value.dim; i++, j++) | |
| 229 { | |
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230 if (index[i]) |
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231 j = cast(uint)(index[i].toInteger()); |
| 0 | 232 if (j >= edim) |
| 233 edim = j + 1; | |
| 234 } | |
| 235 } | |
| 236 | |
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237 auto elements = new Expressions(); |
| 0 | 238 elements.setDim(edim); |
| 239 for (size_t i = 0, j = 0; i < value.dim; i++, j++) | |
| 240 { | |
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241 if (index[i]) |
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242 j = cast(uint)(index[i].toInteger()); |
| 0 | 243 assert(j < edim); |
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244 Initializer iz = value[i]; |
| 0 | 245 if (!iz) |
| 246 goto Lno; | |
| 247 Expression ex = iz.toExpression(); | |
| 248 if (!ex) | |
| 249 { | |
| 250 goto Lno; | |
| 251 } | |
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252 elements[j] = ex; |
| 0 | 253 } |
| 254 | |
| 255 /* Fill in any missing elements with the default initializer | |
| 256 */ | |
| 257 { | |
| 258 Expression init = null; | |
| 259 for (size_t i = 0; i < edim; i++) | |
| 260 { | |
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261 if (!elements[i]) |
| 0 | 262 { |
| 263 if (!type) | |
| 264 goto Lno; | |
| 265 if (!init) | |
| 266 init = (cast(TypeNext)t).next.defaultInit(Loc(0)); | |
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267 elements[i] = init; |
| 0 | 268 } |
| 269 } | |
| 270 | |
| 271 Expression e2 = new ArrayLiteralExp(loc, elements); | |
| 272 e2.type = type; | |
| 273 return e2; | |
| 274 } | |
| 275 | |
| 276 Lno: | |
| 73 | 277 return null; |
| 0 | 278 } |
| 156 | 279 |
| 280 /******************************** | |
| 281 * If possible, convert array initializer to associative array initializer. | |
| 282 */ | |
| 283 Expression toAssocArrayLiteral() | |
| 0 | 284 { |
| 156 | 285 Expression e; |
| 286 | |
| 287 // writef("ArrayInitializer::toAssocArrayInitializer()\n"); | |
| 288 // static int i; if (++i == 2) halt(); | |
| 289 Expressions keys = new Expressions(); | |
| 290 keys.setDim(value.dim); | |
| 291 Expressions values = new Expressions(); | |
| 292 values.setDim(value.dim); | |
| 293 | |
| 294 foreach (size_t i, Initializer iz; value) | |
| 295 { | |
| 296 e = index[i]; | |
| 297 if (!e) | |
| 298 goto Lno; | |
| 299 keys[i] = e; | |
| 300 | |
| 301 if (!iz) | |
| 302 goto Lno; | |
| 303 e = iz.toExpression(); | |
| 304 if (!e) | |
| 305 goto Lno; | |
| 306 values[i] = e; | |
| 307 } | |
| 308 e = new AssocArrayLiteralExp(loc, keys, values); | |
| 309 return e; | |
| 310 | |
| 311 Lno: | |
| 312 delete keys; | |
| 313 delete values; | |
| 314 error(loc, "not an associative array initializer"); | |
| 315 return new ErrorExp(); | |
| 0 | 316 } |
| 317 | |
| 156 | 318 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 319 { |
| 320 assert(false); | |
| 321 } | |
| 322 | |
| 72 | 323 override dt_t* toDt() |
| 0 | 324 { |
| 325 //printf("ArrayInitializer.toDt('%s')\n", toChars()); | |
| 326 Type tb = type.toBasetype(); | |
| 327 Type tn = tb.nextOf().toBasetype(); | |
| 328 | |
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329 scope dts = new Vector!(dt_t*)(); |
| 0 | 330 uint size; |
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331 uint length_; |
| 0 | 332 uint i; |
| 333 dt_t* dt; | |
| 334 dt_t* d; | |
| 335 dt_t** pdtend; | |
| 336 | |
| 337 //printf("\tdim = %d\n", dim); | |
| 338 dts.setDim(dim); | |
| 339 dts.zero(); | |
| 340 | |
| 341 size = cast(uint)tn.size(); | |
| 342 | |
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343 length_ = 0; |
| 0 | 344 for (i = 0; i < index.dim; i++) |
| 345 { | |
| 346 Expression idx; | |
| 347 Initializer val; | |
| 348 | |
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349 idx = index[i]; |
| 0 | 350 if (idx) |
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351 length_ = cast(uint)idx.toInteger(); |
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352 //printf("\tindex[%d] = %p, length_ = %u, dim = %u\n", i, idx, length_, dim); |
| 0 | 353 |
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354 assert(length_ < dim); |
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355 val = value[i]; |
| 0 | 356 dt = val.toDt(); |
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357 if (dts[length_]) |
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358 error(loc, "duplicate initializations for index %d", length_); |
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359 dts[length_] = dt; |
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360 length_++; |
| 0 | 361 } |
| 362 | |
| 363 Expression edefault = tb.nextOf().defaultInit(Loc(0)); | |
| 364 | |
| 365 uint n = 1; | |
| 366 for (Type tbn = tn; tbn.ty == Tsarray; tbn = tbn.nextOf().toBasetype()) | |
| 367 { | |
| 368 TypeSArray tsa = cast(TypeSArray)tbn; | |
| 369 n *= tsa.dim.toInteger(); | |
| 370 } | |
| 371 | |
| 372 d = null; | |
| 373 pdtend = &d; | |
| 374 for (i = 0; i < dim; i++) | |
| 375 { | |
|
128
e6e542f37b94
Some more Array -> Vector conversions
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
127
diff
changeset
|
376 dt = dts[i]; |
| 0 | 377 if (dt) |
| 378 pdtend = dtcat(pdtend, dt); | |
| 379 else | |
| 380 { | |
| 381 for (int j = 0; j < n; j++) | |
| 382 pdtend = edefault.toDt(pdtend); | |
| 383 } | |
| 384 } | |
| 385 switch (tb.ty) | |
| 386 { | |
| 387 case Tsarray: | |
| 388 { | |
| 389 uint tadim; | |
| 390 TypeSArray ta = cast(TypeSArray)tb; | |
| 391 | |
| 392 tadim = cast(uint)ta.dim.toInteger(); | |
| 393 if (dim < tadim) | |
| 394 { | |
| 395 if (edefault.isBool(false)) | |
| 396 // pad out end of array | |
| 397 pdtend = dtnzeros(pdtend, size * (tadim - dim)); | |
| 398 else | |
| 399 { | |
| 400 for (i = dim; i < tadim; i++) | |
| 401 { | |
| 402 for (int j = 0; j < n; j++) | |
| 403 pdtend = edefault.toDt(pdtend); | |
| 404 } | |
| 405 } | |
| 406 } | |
| 407 else if (dim > tadim) | |
| 408 { | |
| 409 debug writef("1: "); | |
| 410 error(loc, "too many initializers, %d, for array[%d]", dim, tadim); | |
| 411 } | |
| 412 break; | |
| 413 } | |
| 414 | |
| 415 case Tpointer: | |
| 416 case Tarray: | |
| 417 // Create symbol, and then refer to it | |
| 418 Symbol* s = static_sym(); | |
| 419 s.Sdt = d; | |
| 420 outdata(s); | |
| 421 | |
| 422 d = null; | |
| 423 if (tb.ty == Tarray) | |
| 424 dtdword(&d, dim); | |
| 425 dtxoff(&d, s, 0, TYnptr); | |
| 426 break; | |
| 427 | |
| 428 default: | |
| 429 assert(0); | |
| 430 } | |
| 431 return d; | |
| 432 } | |
| 433 | |
| 434 dt_t* toDtBit() // for bit arrays | |
| 435 { | |
| 436 assert(false); | |
| 437 } | |
| 438 | |
| 72 | 439 override ArrayInitializer isArrayInitializer() { return this; } |
| 440 } |