Mercurial > projects > ddmd
annotate dmd/ArrayLiteralExp.d @ 114:e28b18c23469
added a module dmd.common for commonly used stuff
it currently holds code for consistency checking of predefined versions
also added a VisualD project file
| author | Trass3r |
|---|---|
| date | Wed, 01 Sep 2010 18:21:58 +0200 |
| parents | 39648eb578f6 |
| children | 9e39c7de8438 |
| 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; | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
19 import dmd.Array; |
| 72 | 20 import dmd.ArrayTypes; |
| 0 | 21 import dmd.TOK; |
| 22 import dmd.IntegerExp; | |
| 23 import dmd.TypeSArray; | |
| 24 import dmd.TY; | |
| 25 import dmd.StringExp; | |
| 26 | |
| 27 import dmd.expression.Util; | |
| 28 import dmd.backend.Util; | |
| 29 import dmd.backend.RTLSYM; | |
| 72 | 30 import dmd.backend.OPER; |
|
68
ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
63
diff
changeset
|
31 import dmd.backend.Symbol; |
| 0 | 32 import dmd.backend.TYM; |
| 72 | 33 import dmd.backend.mTY; |
| 34 import dmd.codegen.Util; | |
| 35 | |
| 0 | 36 class ArrayLiteralExp : Expression |
| 37 { | |
| 38 Expressions elements; | |
| 39 | |
| 40 this(Loc loc, Expressions elements) | |
| 72 | 41 { |
| 0 | 42 super(loc, TOK.TOKarrayliteral, ArrayLiteralExp.sizeof); |
| 43 this.elements = elements; | |
| 44 } | |
| 45 | |
| 46 this(Loc loc, Expression e) | |
| 47 { | |
| 48 super(loc, TOK.TOKarrayliteral, ArrayLiteralExp.sizeof); | |
| 49 elements = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
50 elements.push(e); |
| 0 | 51 } |
| 52 | |
| 72 | 53 override Expression syntaxCopy() |
| 0 | 54 { |
| 55 return new ArrayLiteralExp(loc, arraySyntaxCopy(elements)); | |
| 56 } | |
| 57 | |
| 72 | 58 override Expression semantic(Scope sc) |
| 0 | 59 { |
| 60 Expression e; | |
| 61 Type t0 = null; | |
| 62 | |
| 63 version (LOGSEMANTIC) { | |
| 64 printf("ArrayLiteralExp.semantic('%s')\n", toChars()); | |
| 65 } | |
| 66 if (type) | |
| 67 return this; | |
| 68 | |
| 69 // Run semantic() on each element | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
70 foreach (ref Expression e; elements) |
| 0 | 71 { |
| 72 e = e.semantic(sc); | |
| 73 assert(e.type); | |
| 74 } | |
| 75 | |
| 76 expandTuples(elements); | |
| 77 | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
78 foreach (size_t i, Expression e; elements) |
| 0 | 79 { |
| 80 if (!e.type) | |
| 81 error("%s has no value", e.toChars()); | |
| 82 | |
| 83 e = resolveProperties(sc, e); | |
| 84 | |
| 85 ubyte committed = 1; | |
| 86 if (e.op == TOKstring) | |
| 87 committed = (cast(StringExp)e).committed; | |
| 88 | |
| 89 if (!t0) | |
| 90 { | |
| 91 t0 = e.type; | |
| 92 // Convert any static arrays to dynamic arrays | |
| 93 if (t0.ty == Tsarray) | |
| 94 { | |
| 95 t0 = (cast(TypeSArray)t0).next.arrayOf(); | |
| 96 e = e.implicitCastTo(sc, t0); | |
| 97 } | |
| 98 } | |
| 99 else | |
| 100 e = e.implicitCastTo(sc, t0); | |
| 101 | |
| 102 if (!committed && e.op == TOKstring) | |
| 103 { | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
104 auto se = cast(StringExp)e; |
| 0 | 105 se.committed = 0; |
| 106 } | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
107 elements[i] = e; |
| 0 | 108 } |
| 109 | |
| 110 if (!t0) | |
| 111 t0 = Type.tvoid; | |
| 112 type = new TypeSArray(t0, new IntegerExp(elements.dim)); | |
| 113 type = type.semantic(loc, sc); | |
| 114 return this; | |
| 115 } | |
| 116 | |
| 72 | 117 override bool isBool(bool result) |
| 0 | 118 { |
| 119 size_t dim = elements ? elements.dim : 0; | |
| 120 return result ? (dim != 0) : (dim == 0); | |
| 121 } | |
| 122 | |
| 72 | 123 override elem* toElem(IRState* irs) |
| 0 | 124 { |
| 125 elem* e; | |
| 126 size_t dim; | |
| 127 | |
| 128 //printf("ArrayLiteralExp.toElem() %s\n", toChars()); | |
| 129 if (elements) | |
| 130 { | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
131 scope args = new Array(); // ddmd was Expressions |
| 0 | 132 dim = elements.dim; |
| 133 args.setDim(dim + 1); // +1 for number of args parameter | |
| 134 e = el_long(TYint, dim); | |
| 135 args.data[dim] = cast(void*)e; | |
| 136 for (size_t i = 0; i < dim; i++) | |
| 137 { | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
138 auto el = elements[i]; |
| 0 | 139 elem* ep = el.toElem(irs); |
| 140 | |
| 141 if (tybasic(ep.Ety) == TYstruct || tybasic(ep.Ety) == TYarray) | |
| 142 { | |
| 143 ep = el_una(OPstrpar, TYstruct, ep); | |
| 144 ep.Enumbytes = cast(uint)el.type.size(); | |
| 145 } | |
| 146 args.data[dim - (i + 1)] = cast(void *)ep; | |
| 147 } | |
| 148 | |
| 149 /* Because the number of parameters can get very large, produce | |
| 150 * a balanced binary tree so we don't blow up the stack in | |
| 151 * the subsequent tree walking code. | |
| 152 */ | |
| 153 e = el_params(args.data, dim + 1); | |
| 154 } | |
| 155 else | |
| 156 { | |
| 157 dim = 0; | |
| 158 e = el_long(TYint, 0); | |
| 159 } | |
| 160 Type tb = type.toBasetype(); | |
| 161 static if (true) { | |
| 162 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 163 | |
| 164 // call _d_arrayliteralT(ti, dim, ...) | |
| 165 e = el_bin(OPcall,TYnptr,el_var(rtlsym[RTLSYM_ARRAYLITERALT]),e); | |
| 166 } else { | |
| 167 e = el_param(e, el_long(TYint, tb.next.size())); | |
| 168 | |
| 169 // call _d_arrayliteral(size, dim, ...) | |
| 170 e = el_bin(OPcall,TYnptr,el_var(rtlsym[RTLSYM_ARRAYLITERAL]),e); | |
| 171 } | |
| 172 if (tb.ty == Tarray) | |
| 173 { | |
| 174 e = el_pair(TYullong, el_long(TYint, dim), e); | |
| 175 } | |
| 176 else if (tb.ty == Tpointer) | |
| 177 { | |
| 178 } | |
| 179 else | |
| 180 { | |
| 181 e = el_una(OPind,TYstruct,e); | |
| 182 e.Enumbytes = cast(uint)type.size(); | |
| 183 } | |
| 184 | |
| 185 el_setLoc(e,loc); | |
| 186 return e; | |
| 187 } | |
| 188 | |
| 72 | 189 override bool checkSideEffect(int flag) |
| 0 | 190 { |
| 191 bool f = false; | |
| 192 | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
193 foreach (e; elements) |
| 0 | 194 { |
| 195 f |= e.checkSideEffect(2); | |
| 196 } | |
| 197 if (flag == 0 && f == false) | |
| 198 Expression.checkSideEffect(0); | |
| 199 | |
| 200 return f; | |
| 201 } | |
| 202 | |
| 72 | 203 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 204 { |
| 205 buf.writeByte('['); | |
| 206 argsToCBuffer(buf, elements, hgs); | |
| 207 buf.writeByte(']'); | |
| 208 } | |
| 209 | |
| 72 | 210 override void toMangleBuffer(OutBuffer buf) |
| 0 | 211 { |
| 212 size_t dim = elements ? elements.dim : 0; | |
| 213 buf.printf("A%u", dim); | |
| 214 for (size_t i = 0; i < dim; i++) | |
| 215 { | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
216 auto e = elements[i]; |
| 0 | 217 e.toMangleBuffer(buf); |
| 218 } | |
| 219 } | |
| 220 | |
| 72 | 221 override void scanForNestedRef(Scope sc) |
| 0 | 222 { |
| 223 assert(false); | |
| 224 } | |
| 225 | |
| 72 | 226 override Expression optimize(int result) |
| 0 | 227 { |
| 228 if (elements) | |
| 229 { | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
230 foreach (ref Expression e; elements) |
| 0 | 231 { |
| 232 e = e.optimize(WANTvalue | (result & WANTinterpret)); | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 return this; | |
| 237 } | |
| 238 | |
| 72 | 239 override Expression interpret(InterState istate) |
| 0 | 240 { |
| 241 assert(false); | |
| 242 } | |
| 243 | |
| 72 | 244 override MATCH implicitConvTo(Type t) |
| 0 | 245 { |
| 246 MATCH result = MATCHexact; | |
| 247 | |
| 248 static if (false) { | |
| 249 printf("ArrayLiteralExp.implicitConvTo(this=%s, type=%s, t=%s)\n", | |
| 250 toChars(), type.toChars(), t.toChars()); | |
| 251 } | |
| 252 Type typeb = type.toBasetype(); | |
| 253 Type tb = t.toBasetype(); | |
| 254 if ((tb.ty == Tarray || tb.ty == Tsarray) && | |
| 255 (typeb.ty == Tarray || typeb.ty == Tsarray)) | |
| 256 { | |
| 257 if (tb.ty == Tsarray) | |
| 258 { | |
| 259 TypeSArray tsa = cast(TypeSArray)tb; | |
| 260 if (elements.dim != tsa.dim.toInteger()) | |
| 261 result = MATCHnomatch; | |
| 262 } | |
| 263 | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
264 foreach (e; elements) |
| 0 | 265 { |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
266 auto m = cast(MATCH)e.implicitConvTo(tb.nextOf()); |
| 0 | 267 if (m < result) |
| 268 result = m; // remember worst match | |
| 269 if (result == MATCHnomatch) | |
| 270 break; // no need to check for worse | |
| 271 } | |
| 272 return result; | |
| 273 } | |
| 274 else | |
| 275 return Expression.implicitConvTo(t); | |
| 276 } | |
| 277 | |
| 72 | 278 override Expression castTo(Scope sc, Type t) |
| 0 | 279 { |
| 280 static if (false) { | |
| 281 printf("ArrayLiteralExp.castTo(this=%s, type=%s, => %s)\n", | |
| 282 toChars(), type.toChars(), t.toChars()); | |
| 283 } | |
| 284 if (type == t) | |
| 285 return this; | |
| 286 ArrayLiteralExp e = this; | |
| 287 Type typeb = type.toBasetype(); | |
| 288 Type tb = t.toBasetype(); | |
| 289 if ((tb.ty == Tarray || tb.ty == Tsarray) && | |
| 290 (typeb.ty == Tarray || typeb.ty == Tsarray) && | |
| 291 // Not trying to convert non-void[] to void[] | |
| 292 !(tb.nextOf().toBasetype().ty == Tvoid && typeb.nextOf().toBasetype().ty != Tvoid)) | |
| 293 { | |
| 294 if (tb.ty == Tsarray) | |
| 295 { | |
| 296 TypeSArray tsa = cast(TypeSArray)tb; | |
| 297 if (elements.dim != tsa.dim.toInteger()) | |
| 298 goto L1; | |
| 299 } | |
| 300 | |
| 301 e = cast(ArrayLiteralExp)copy(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
302 e.elements = elements.copy(); |
|
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
303 foreach (size_t i, Expression ex; elements) |
| 0 | 304 { |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
305 e.elements[i] = ex.castTo(sc, tb.nextOf()); |
| 0 | 306 } |
| 307 e.type = t; | |
| 308 return e; | |
| 309 } | |
| 310 if (tb.ty == Tpointer && typeb.ty == Tsarray) | |
| 311 { | |
| 312 Type tp = typeb.nextOf().pointerTo(); | |
| 313 if (!tp.equals(e.type)) | |
| 314 { | |
| 315 e = cast(ArrayLiteralExp)copy(); | |
| 316 e.type = tp; | |
| 317 } | |
| 318 } | |
| 319 L1: | |
| 320 return e.Expression.castTo(sc, t); | |
| 321 } | |
| 322 | |
| 72 | 323 override dt_t** toDt(dt_t** pdt) |
| 0 | 324 { |
| 72 | 325 //printf("ArrayLiteralExp.toDt() '%s', type = %s\n", toChars(), type.toChars()); |
| 326 | |
| 327 dt_t *d; | |
| 328 dt_t **pdtend; | |
| 329 | |
| 330 d = null; | |
| 331 pdtend = &d; | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
332 foreach (e; elements) |
| 72 | 333 { |
| 334 pdtend = e.toDt(pdtend); | |
| 335 } | |
| 336 Type t = type.toBasetype(); | |
| 337 | |
| 338 switch (t.ty) | |
| 339 { | |
| 340 case Tsarray: | |
| 341 pdt = dtcat(pdt, d); | |
| 342 break; | |
| 343 | |
| 344 case Tpointer: | |
| 345 case Tarray: | |
| 346 if (t.ty == Tarray) | |
| 347 dtdword(pdt, elements.dim); | |
| 348 if (d) | |
| 349 { | |
| 350 // Create symbol, and then refer to it | |
| 351 Symbol* s; | |
| 352 s = static_sym(); | |
| 353 s.Sdt = d; | |
| 354 outdata(s); | |
| 355 | |
| 356 dtxoff(pdt, s, 0, TYnptr); | |
| 357 } | |
| 358 else | |
| 359 dtdword(pdt, 0); | |
| 360 | |
| 361 break; | |
| 362 | |
| 363 default: | |
| 364 assert(0); | |
| 365 } | |
|
68
ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
63
diff
changeset
|
366 return pdt; |
| 0 | 367 } |
| 368 | |
| 369 version (DMDV2) { | |
| 72 | 370 override bool canThrow() |
| 0 | 371 { |
| 372 return 1; // because it can fail allocating memory | |
| 373 } | |
| 374 } | |
| 72 | 375 override int inlineCost(InlineCostState* ics) |
| 0 | 376 { |
| 377 return 1 + arrayInlineCost(ics, elements); | |
| 378 } | |
| 379 | |
| 72 | 380 override Expression doInline(InlineDoState ids) |
| 0 | 381 { |
| 382 ArrayLiteralExp ce = cast(ArrayLiteralExp)copy(); | |
| 383 ce.elements = arrayExpressiondoInline(elements, ids); | |
| 384 return ce; | |
| 385 } | |
| 386 | |
| 72 | 387 override Expression inlineScan(InlineScanState* iss) |
| 0 | 388 { |
| 389 Expression e = this; | |
| 390 | |
| 391 //printf("ArrayLiteralExp.inlineScan()\n"); | |
| 392 arrayInlineScan(iss, elements); | |
| 393 | |
| 394 return e; | |
| 395 } | |
| 396 } | |
| 397 |