Mercurial > projects > ddmd
annotate dmd/ArrayLiteralExp.d @ 123:9e39c7de8438
Make dmd test suite compile
| author | korDen |
|---|---|
| date | Fri, 03 Sep 2010 20:46:58 +0400 |
| parents | e28b18c23469 |
| children | 60bb0fe4563e |
| rev | line source |
|---|---|
| 72 | 1 module dmd.ArrayLiteralExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 72 | 4 import dmd.Expression; |
| 5 import dmd.backend.elem; | |
| 6 import dmd.InterState; | |
| 7 import dmd.MATCH; | |
| 8 import dmd.Type; | |
| 9 import dmd.OutBuffer; | |
| 10 import dmd.Loc; | |
| 0 | 11 import dmd.WANT; |
| 72 | 12 import dmd.Scope; |
| 13 import dmd.InlineCostState; | |
| 14 import dmd.IRState; | |
| 15 import dmd.InlineDoState; | |
| 16 import dmd.HdrGenState; | |
| 17 import dmd.backend.dt_t; | |
| 18 import dmd.InlineScanState; | |
| 123 | 19 import dmd.GlobalExpressions; |
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20 import dmd.Array; |
| 72 | 21 import dmd.ArrayTypes; |
| 0 | 22 import dmd.TOK; |
| 23 import dmd.IntegerExp; | |
| 24 import dmd.TypeSArray; | |
| 25 import dmd.TY; | |
| 26 import dmd.StringExp; | |
| 27 | |
| 28 import dmd.expression.Util; | |
| 29 import dmd.backend.Util; | |
| 30 import dmd.backend.RTLSYM; | |
| 72 | 31 import dmd.backend.OPER; |
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32 import dmd.backend.Symbol; |
| 0 | 33 import dmd.backend.TYM; |
| 72 | 34 import dmd.backend.mTY; |
| 35 import dmd.codegen.Util; | |
| 36 | |
| 0 | 37 class ArrayLiteralExp : Expression |
| 38 { | |
| 39 Expressions elements; | |
| 40 | |
| 41 this(Loc loc, Expressions elements) | |
| 72 | 42 { |
| 0 | 43 super(loc, TOK.TOKarrayliteral, ArrayLiteralExp.sizeof); |
| 44 this.elements = elements; | |
| 45 } | |
| 46 | |
| 47 this(Loc loc, Expression e) | |
| 48 { | |
| 49 super(loc, TOK.TOKarrayliteral, ArrayLiteralExp.sizeof); | |
| 50 elements = new Expressions(); | |
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parents:
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51 elements.push(e); |
| 0 | 52 } |
| 53 | |
| 72 | 54 override Expression syntaxCopy() |
| 0 | 55 { |
| 56 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 57 } | |
| 58 | |
| 72 | 59 override Expression semantic(Scope sc) |
| 0 | 60 { |
| 61 Expression e; | |
| 62 Type t0 = null; | |
| 63 | |
| 64 version (LOGSEMANTIC) { | |
| 65 printf("ArrayLiteralExp.semantic('%s')\n", toChars()); | |
| 66 } | |
| 67 if (type) | |
| 68 return this; | |
| 69 | |
| 70 // Run semantic() on each element | |
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71 foreach (ref Expression e; elements) |
| 0 | 72 { |
| 73 e = e.semantic(sc); | |
| 74 assert(e.type); | |
| 75 } | |
| 76 | |
| 77 expandTuples(elements); | |
| 78 | |
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79 foreach (size_t i, Expression e; elements) |
| 0 | 80 { |
| 81 if (!e.type) | |
| 82 error("%s has no value", e.toChars()); | |
| 83 | |
| 84 e = resolveProperties(sc, e); | |
| 85 | |
| 86 ubyte committed = 1; | |
| 87 if (e.op == TOKstring) | |
| 88 committed = (cast(StringExp)e).committed; | |
| 89 | |
| 90 if (!t0) | |
| 91 { | |
| 92 t0 = e.type; | |
| 93 // Convert any static arrays to dynamic arrays | |
| 94 if (t0.ty == Tsarray) | |
| 95 { | |
| 96 t0 = (cast(TypeSArray)t0).next.arrayOf(); | |
| 97 e = e.implicitCastTo(sc, t0); | |
| 98 } | |
| 99 } | |
| 100 else | |
| 101 e = e.implicitCastTo(sc, t0); | |
| 102 | |
| 103 if (!committed && e.op == TOKstring) | |
| 104 { | |
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parents:
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105 auto se = cast(StringExp)e; |
| 0 | 106 se.committed = 0; |
| 107 } | |
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108 elements[i] = e; |
| 0 | 109 } |
| 110 | |
| 111 if (!t0) | |
| 112 t0 = Type.tvoid; | |
| 113 type = new TypeSArray(t0, new IntegerExp(elements.dim)); | |
| 114 type = type.semantic(loc, sc); | |
| 115 return this; | |
| 116 } | |
| 117 | |
| 72 | 118 override bool isBool(bool result) |
| 0 | 119 { |
| 120 size_t dim = elements ? elements.dim : 0; | |
| 121 return result ? (dim != 0) : (dim == 0); | |
| 122 } | |
| 123 | |
| 72 | 124 override elem* toElem(IRState* irs) |
| 0 | 125 { |
| 126 elem* e; | |
| 127 size_t dim; | |
| 128 | |
| 129 //printf("ArrayLiteralExp.toElem() %s\n", toChars()); | |
| 130 if (elements) | |
| 131 { | |
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parents:
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132 scope args = new Array(); // ddmd was Expressions |
| 0 | 133 dim = elements.dim; |
| 134 args.setDim(dim + 1); // +1 for number of args parameter | |
| 135 e = el_long(TYint, dim); | |
| 136 args.data[dim] = cast(void*)e; | |
| 137 for (size_t i = 0; i < dim; i++) | |
| 138 { | |
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Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
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139 auto el = elements[i]; |
| 0 | 140 elem* ep = el.toElem(irs); |
| 141 | |
| 142 if (tybasic(ep.Ety) == TYstruct || tybasic(ep.Ety) == TYarray) | |
| 143 { | |
| 144 ep = el_una(OPstrpar, TYstruct, ep); | |
| 145 ep.Enumbytes = cast(uint)el.type.size(); | |
| 146 } | |
| 147 args.data[dim - (i + 1)] = cast(void *)ep; | |
| 148 } | |
| 149 | |
| 150 /* Because the number of parameters can get very large, produce | |
| 151 * a balanced binary tree so we don't blow up the stack in | |
| 152 * the subsequent tree walking code. | |
| 153 */ | |
| 154 e = el_params(args.data, dim + 1); | |
| 155 } | |
| 156 else | |
| 157 { | |
| 158 dim = 0; | |
| 159 e = el_long(TYint, 0); | |
| 160 } | |
| 161 Type tb = type.toBasetype(); | |
| 162 static if (true) { | |
| 163 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 164 | |
| 165 // call _d_arrayliteralT(ti, dim, ...) | |
| 166 e = el_bin(OPcall,TYnptr,el_var(rtlsym[RTLSYM_ARRAYLITERALT]),e); | |
| 167 } else { | |
| 168 e = el_param(e, el_long(TYint, tb.next.size())); | |
| 169 | |
| 170 // call _d_arrayliteral(size, dim, ...) | |
| 171 e = el_bin(OPcall,TYnptr,el_var(rtlsym[RTLSYM_ARRAYLITERAL]),e); | |
| 172 } | |
| 173 if (tb.ty == Tarray) | |
| 174 { | |
| 175 e = el_pair(TYullong, el_long(TYint, dim), e); | |
| 176 } | |
| 177 else if (tb.ty == Tpointer) | |
| 178 { | |
| 179 } | |
| 180 else | |
| 181 { | |
| 182 e = el_una(OPind,TYstruct,e); | |
| 183 e.Enumbytes = cast(uint)type.size(); | |
| 184 } | |
| 185 | |
| 186 el_setLoc(e,loc); | |
| 187 return e; | |
| 188 } | |
| 189 | |
| 72 | 190 override bool checkSideEffect(int flag) |
| 0 | 191 { |
| 192 bool f = false; | |
| 193 | |
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more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
194 foreach (e; elements) |
| 0 | 195 { |
| 196 f |= e.checkSideEffect(2); | |
| 197 } | |
| 198 if (flag == 0 && f == false) | |
| 199 Expression.checkSideEffect(0); | |
| 200 | |
| 201 return f; | |
| 202 } | |
| 203 | |
| 72 | 204 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 205 { |
| 206 buf.writeByte('['); | |
| 207 argsToCBuffer(buf, elements, hgs); | |
| 208 buf.writeByte(']'); | |
| 209 } | |
| 210 | |
| 72 | 211 override void toMangleBuffer(OutBuffer buf) |
| 0 | 212 { |
| 213 size_t dim = elements ? elements.dim : 0; | |
| 214 buf.printf("A%u", dim); | |
| 215 for (size_t i = 0; i < dim; i++) | |
| 216 { | |
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more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
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217 auto e = elements[i]; |
| 0 | 218 e.toMangleBuffer(buf); |
| 219 } | |
| 220 } | |
| 221 | |
| 72 | 222 override void scanForNestedRef(Scope sc) |
| 0 | 223 { |
| 224 assert(false); | |
| 225 } | |
| 226 | |
| 72 | 227 override Expression optimize(int result) |
| 0 | 228 { |
| 229 if (elements) | |
| 230 { | |
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Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
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231 foreach (ref Expression e; elements) |
| 0 | 232 { |
| 233 e = e.optimize(WANTvalue | (result & WANTinterpret)); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 return this; | |
| 238 } | |
| 239 | |
| 72 | 240 override Expression interpret(InterState istate) |
| 0 | 241 { |
| 123 | 242 Expressions expsx = null; |
| 243 | |
| 244 version (LOG) { | |
| 245 printf("ArrayLiteralExp.interpret() %.*s\n", toChars()); | |
| 246 } | |
| 247 if (elements) | |
| 248 { | |
| 249 foreach (size_t i, Expression e; elements) | |
| 250 { | |
| 251 Expression ex; | |
| 252 | |
| 253 ex = e.interpret(istate); | |
| 254 if (ex is EXP_CANT_INTERPRET) | |
| 255 { | |
| 256 delete expsx; | |
| 257 return EXP_CANT_INTERPRET; | |
| 258 } | |
| 259 | |
| 260 /* If any changes, do Copy On Write | |
| 261 */ | |
| 262 if (ex != e) | |
| 263 { | |
| 264 if (!expsx) | |
| 265 { | |
| 266 expsx = new Expressions(); | |
| 267 expsx.setDim(elements.dim); | |
| 268 for (size_t j = 0; j < elements.dim; j++) | |
| 269 { | |
| 270 expsx[j] = elements[j]; | |
| 271 } | |
| 272 } | |
| 273 expsx[i] = ex; | |
| 274 } | |
| 275 } | |
| 276 } | |
| 277 if (elements && expsx) | |
| 278 { | |
| 279 expandTuples(expsx); | |
| 280 if (expsx.dim != elements.dim) | |
| 281 { | |
| 282 delete expsx; | |
| 283 return EXP_CANT_INTERPRET; | |
| 284 } | |
| 285 | |
| 286 ArrayLiteralExp ae = new ArrayLiteralExp(loc, expsx); | |
| 287 ae.type = type; | |
| 288 | |
| 289 return ae; | |
| 290 } | |
| 291 return this; | |
| 0 | 292 } |
| 293 | |
| 72 | 294 override MATCH implicitConvTo(Type t) |
| 0 | 295 { |
| 296 MATCH result = MATCHexact; | |
| 297 | |
| 298 static if (false) { | |
| 299 printf("ArrayLiteralExp.implicitConvTo(this=%s, type=%s, t=%s)\n", | |
| 300 toChars(), type.toChars(), t.toChars()); | |
| 301 } | |
| 302 Type typeb = type.toBasetype(); | |
| 303 Type tb = t.toBasetype(); | |
| 304 if ((tb.ty == Tarray || tb.ty == Tsarray) && | |
| 305 (typeb.ty == Tarray || typeb.ty == Tsarray)) | |
| 306 { | |
| 307 if (tb.ty == Tsarray) | |
| 308 { | |
| 309 TypeSArray tsa = cast(TypeSArray)tb; | |
| 310 if (elements.dim != tsa.dim.toInteger()) | |
| 311 result = MATCHnomatch; | |
| 312 } | |
| 313 | |
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more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
314 foreach (e; elements) |
| 0 | 315 { |
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more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
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316 auto m = cast(MATCH)e.implicitConvTo(tb.nextOf()); |
| 0 | 317 if (m < result) |
| 318 result = m; // remember worst match | |
| 319 if (result == MATCHnomatch) | |
| 320 break; // no need to check for worse | |
| 321 } | |
| 322 return result; | |
| 323 } | |
| 324 else | |
| 325 return Expression.implicitConvTo(t); | |
| 326 } | |
| 327 | |
| 72 | 328 override Expression castTo(Scope sc, Type t) |
| 0 | 329 { |
| 330 static if (false) { | |
| 331 printf("ArrayLiteralExp.castTo(this=%s, type=%s, => %s)\n", | |
| 332 toChars(), type.toChars(), t.toChars()); | |
| 333 } | |
| 334 if (type == t) | |
| 335 return this; | |
| 336 ArrayLiteralExp e = this; | |
| 337 Type typeb = type.toBasetype(); | |
| 338 Type tb = t.toBasetype(); | |
| 339 if ((tb.ty == Tarray || tb.ty == Tsarray) && | |
| 340 (typeb.ty == Tarray || typeb.ty == Tsarray) && | |
| 341 // Not trying to convert non-void[] to void[] | |
| 342 !(tb.nextOf().toBasetype().ty == Tvoid && typeb.nextOf().toBasetype().ty != Tvoid)) | |
| 343 { | |
| 344 if (tb.ty == Tsarray) | |
| 345 { | |
| 346 TypeSArray tsa = cast(TypeSArray)tb; | |
| 347 if (elements.dim != tsa.dim.toInteger()) | |
| 348 goto L1; | |
| 349 } | |
| 350 | |
| 351 e = cast(ArrayLiteralExp)copy(); | |
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Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
352 e.elements = elements.copy(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
353 foreach (size_t i, Expression ex; elements) |
| 0 | 354 { |
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84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
355 e.elements[i] = ex.castTo(sc, tb.nextOf()); |
| 0 | 356 } |
| 357 e.type = t; | |
| 358 return e; | |
| 359 } | |
| 360 if (tb.ty == Tpointer && typeb.ty == Tsarray) | |
| 361 { | |
| 362 Type tp = typeb.nextOf().pointerTo(); | |
| 363 if (!tp.equals(e.type)) | |
| 364 { | |
| 365 e = cast(ArrayLiteralExp)copy(); | |
| 366 e.type = tp; | |
| 367 } | |
| 368 } | |
| 369 L1: | |
| 370 return e.Expression.castTo(sc, t); | |
| 371 } | |
| 372 | |
| 72 | 373 override dt_t** toDt(dt_t** pdt) |
| 0 | 374 { |
| 72 | 375 //printf("ArrayLiteralExp.toDt() '%s', type = %s\n", toChars(), type.toChars()); |
| 376 | |
| 377 dt_t *d; | |
| 378 dt_t **pdtend; | |
| 379 | |
| 380 d = null; | |
| 381 pdtend = &d; | |
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90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
382 foreach (e; elements) |
| 72 | 383 { |
| 384 pdtend = e.toDt(pdtend); | |
| 385 } | |
| 386 Type t = type.toBasetype(); | |
| 387 | |
| 388 switch (t.ty) | |
| 389 { | |
| 390 case Tsarray: | |
| 391 pdt = dtcat(pdt, d); | |
| 392 break; | |
| 393 | |
| 394 case Tpointer: | |
| 395 case Tarray: | |
| 396 if (t.ty == Tarray) | |
| 397 dtdword(pdt, elements.dim); | |
| 398 if (d) | |
| 399 { | |
| 400 // Create symbol, and then refer to it | |
| 401 Symbol* s; | |
| 402 s = static_sym(); | |
| 403 s.Sdt = d; | |
| 404 outdata(s); | |
| 405 | |
| 406 dtxoff(pdt, s, 0, TYnptr); | |
| 407 } | |
| 408 else | |
| 409 dtdword(pdt, 0); | |
| 410 | |
| 411 break; | |
| 412 | |
| 413 default: | |
| 414 assert(0); | |
| 415 } | |
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68
ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
63
diff
changeset
|
416 return pdt; |
| 0 | 417 } |
| 418 | |
| 419 version (DMDV2) { | |
| 72 | 420 override bool canThrow() |
| 0 | 421 { |
| 422 return 1; // because it can fail allocating memory | |
| 423 } | |
| 424 } | |
| 72 | 425 override int inlineCost(InlineCostState* ics) |
| 0 | 426 { |
| 427 return 1 + arrayInlineCost(ics, elements); | |
| 428 } | |
| 429 | |
| 72 | 430 override Expression doInline(InlineDoState ids) |
| 0 | 431 { |
| 432 ArrayLiteralExp ce = cast(ArrayLiteralExp)copy(); | |
| 433 ce.elements = arrayExpressiondoInline(elements, ids); | |
| 434 return ce; | |
| 435 } | |
| 436 | |
| 72 | 437 override Expression inlineScan(InlineScanState* iss) |
| 0 | 438 { |
| 439 Expression e = this; | |
| 440 | |
| 441 //printf("ArrayLiteralExp.inlineScan()\n"); | |
| 442 arrayInlineScan(iss, elements); | |
| 443 | |
| 444 return e; | |
| 445 } | |
| 446 } | |
| 447 |