Mercurial > projects > ddmd
annotate dmd/NewExp.d @ 90:39648eb578f6
more Expressions work
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Mon, 30 Aug 2010 20:27:56 +0100 |
| parents | be2ab491772e |
| children | e28b18c23469 |
| rev | line source |
|---|---|
| 72 | 1 module dmd.NewExp; |
| 2 | |
| 3 import dmd.Expression; | |
| 4 import dmd.NewDeclaration; | |
| 0 | 5 import dmd.CtorDeclaration; |
| 72 | 6 import dmd.ClassDeclaration; |
| 7 import dmd.Type; | |
| 8 import dmd.OutBuffer; | |
| 9 import dmd.Loc; | |
| 10 import dmd.Scope; | |
| 11 import dmd.IRState; | |
| 12 import dmd.InlineDoState; | |
| 13 import dmd.HdrGenState; | |
| 14 import dmd.ArrayTypes; | |
| 0 | 15 import dmd.TOK; |
| 16 import dmd.TY; | |
| 17 import dmd.TypeFunction; | |
| 18 import dmd.TypeClass; | |
| 19 import dmd.TypeStruct; | |
| 20 import dmd.StructDeclaration; | |
| 21 import dmd.FuncDeclaration; | |
| 22 import dmd.TypeDArray; | |
| 23 import dmd.Dsymbol; | |
| 24 import dmd.ThisExp; | |
| 25 import dmd.DotIdExp; | |
| 26 import dmd.Id; | |
| 27 import dmd.WANT; | |
| 28 import dmd.Global; | |
| 29 import dmd.IntegerExp; | |
| 30 import dmd.TypePointer; | |
| 72 | 31 |
| 0 | 32 import dmd.backend.elem; |
| 33 import dmd.backend.TYM; | |
| 34 import dmd.backend.SC; | |
| 35 import dmd.backend.TYPE; | |
| 36 import dmd.backend.TYM; | |
| 37 import dmd.backend.Symbol; | |
| 38 import dmd.backend.Classsym; | |
| 39 import dmd.backend.Util; | |
| 40 import dmd.backend.OPER; | |
| 41 import dmd.backend.RTLSYM; | |
| 42 import dmd.expression.Util; | |
| 43 import dmd.codegen.Util; | |
| 44 | |
| 72 | 45 import std.string : toStringz; |
| 46 | |
| 0 | 47 class NewExp : Expression |
| 48 { | |
| 72 | 49 /* thisexp.new(newargs) newtype(arguments) |
| 50 */ | |
| 51 Expression thisexp; // if !null, 'this' for class being allocated | |
| 52 Expressions newargs; // Array of Expression's to call new operator | |
| 53 Type newtype; | |
| 54 Expressions arguments; // Array of Expression's | |
| 55 | |
| 56 CtorDeclaration member; // constructor function | |
| 57 NewDeclaration allocator; // allocator function | |
| 0 | 58 int onstack; // allocate on stack |
| 59 | |
| 60 this(Loc loc, Expression thisexp, Expressions newargs, Type newtype, Expressions arguments) | |
| 61 { | |
| 62 super(loc, TOK.TOKnew, NewExp.sizeof); | |
| 63 this.thisexp = thisexp; | |
| 64 this.newargs = newargs; | |
| 65 this.newtype = newtype; | |
| 66 this.arguments = arguments; | |
| 67 } | |
| 68 | |
| 72 | 69 override Expression syntaxCopy() |
| 0 | 70 { |
| 72 | 71 return new NewExp(loc, |
| 72 thisexp ? thisexp.syntaxCopy() : null, | |
| 73 arraySyntaxCopy(newargs), | |
| 53 | 74 newtype.syntaxCopy(), arraySyntaxCopy(arguments)); |
| 0 | 75 } |
| 76 | |
| 72 | 77 override Expression semantic(Scope sc) |
| 0 | 78 { |
| 79 int i; | |
| 80 Type tb; | |
| 81 ClassDeclaration cdthis = null; | |
| 82 | |
| 83 version (LOGSEMANTIC) { | |
| 84 printf("NewExp.semantic() %s\n", toChars()); | |
| 85 if (thisexp) | |
| 86 printf("\tthisexp = %s\n", thisexp.toChars()); | |
| 87 printf("\tnewtype: %s\n", newtype.toChars()); | |
| 88 } | |
| 89 if (type) // if semantic() already run | |
| 90 return this; | |
| 91 | |
| 92 Lagain: | |
| 93 if (thisexp) | |
| 94 { | |
| 95 thisexp = thisexp.semantic(sc); | |
| 96 cdthis = thisexp.type.isClassHandle(); | |
| 97 if (cdthis) | |
| 98 { | |
| 99 sc = sc.push(cdthis); | |
| 100 type = newtype.semantic(loc, sc); | |
| 101 sc = sc.pop(); | |
| 102 } | |
| 103 else | |
| 104 { | |
| 105 error("'this' for nested class must be a class type, not %s", thisexp.type.toChars()); | |
| 106 type = newtype.semantic(loc, sc); | |
| 107 } | |
| 108 } | |
| 109 else | |
| 110 type = newtype.semantic(loc, sc); | |
| 111 newtype = type; // in case type gets cast to something else | |
| 112 tb = type.toBasetype(); | |
| 113 //printf("tb: %s, deco = %s\n", tb.toChars(), tb.deco); | |
| 114 | |
| 115 arrayExpressionSemantic(newargs, sc); | |
| 116 preFunctionArguments(loc, sc, newargs); | |
| 117 arrayExpressionSemantic(arguments, sc); | |
| 118 preFunctionArguments(loc, sc, arguments); | |
| 119 | |
| 120 if (thisexp && tb.ty != Tclass) | |
| 121 error("e.new is only for allocating nested classes, not %s", tb.toChars()); | |
| 122 | |
| 123 if (tb.ty == Tclass) | |
| 124 { | |
| 125 TypeFunction tf; | |
| 126 | |
| 127 TypeClass tc = cast(TypeClass)tb; | |
| 128 ClassDeclaration cd = tc.sym.isClassDeclaration(); | |
| 129 if (cd.isInterfaceDeclaration()) | |
| 130 error("cannot create instance of interface %s", cd.toChars()); | |
| 131 else if (cd.isAbstract()) | |
| 132 { | |
| 133 error("cannot create instance of abstract class %s", cd.toChars()); | |
| 134 for (int j = 0; j < cd.vtbl.dim; j++) | |
| 135 { | |
| 136 FuncDeclaration fd = (cast(Dsymbol)cd.vtbl.data[j]).isFuncDeclaration(); | |
| 137 if (fd && fd.isAbstract()) | |
| 138 error("function %s is abstract", fd.toChars()); | |
| 139 } | |
| 140 } | |
| 141 checkDeprecated(sc, cd); | |
| 142 if (cd.isNested()) | |
| 143 { /* We need a 'this' pointer for the nested class. | |
| 144 * Ensure we have the right one. | |
| 145 */ | |
| 146 Dsymbol s = cd.toParent2(); | |
| 147 ClassDeclaration cdn = s.isClassDeclaration(); | |
| 148 FuncDeclaration fdn = s.isFuncDeclaration(); | |
| 149 | |
| 150 //printf("cd isNested, cdn = %s\n", cdn ? cdn.toChars() : "null"); | |
| 151 if (cdn) | |
| 152 { | |
| 153 if (!cdthis) | |
| 154 { | |
| 155 // Supply an implicit 'this' and try again | |
| 156 thisexp = new ThisExp(loc); | |
| 157 for (Dsymbol sp = sc.parent; 1; sp = sp.parent) | |
| 158 { | |
| 159 if (!sp) | |
| 160 { | |
| 161 error("outer class %s 'this' needed to 'new' nested class %s", cdn.toChars(), cd.toChars()); | |
| 162 break; | |
| 163 } | |
| 164 ClassDeclaration cdp = sp.isClassDeclaration(); | |
| 165 if (!cdp) | |
| 166 continue; | |
| 167 if (cdp == cdn || cdn.isBaseOf(cdp, null)) | |
| 168 break; | |
| 169 // Add a '.outer' and try again | |
| 170 thisexp = new DotIdExp(loc, thisexp, Id.outer); | |
| 171 } | |
| 172 if (!global.errors) | |
| 173 goto Lagain; | |
| 174 } | |
| 175 if (cdthis) | |
| 176 { | |
| 177 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 178 if (cdthis != cdn && !cdn.isBaseOf(cdthis, null)) | |
| 179 error("'this' for nested class must be of type %s, not %s", cdn.toChars(), thisexp.type.toChars()); | |
| 180 } | |
| 181 else | |
| 182 { | |
| 183 static if (false) { | |
| 184 for (Dsymbol *sf = sc.func; 1; sf= sf.toParent2().isFuncDeclaration()) | |
| 185 { | |
| 186 if (!sf) | |
| 187 { | |
| 188 error("outer class %s 'this' needed to 'new' nested class %s", cdn.toChars(), cd.toChars()); | |
| 189 break; | |
| 190 } | |
| 191 printf("sf = %s\n", sf.toChars()); | |
| 192 AggregateDeclaration *ad = sf.isThis(); | |
| 193 if (ad && (ad == cdn || cdn.isBaseOf(ad.isClassDeclaration(), null))) | |
| 194 break; | |
| 195 } | |
| 196 } | |
| 197 } | |
| 198 } | |
| 199 ///static if (true) { | |
| 200 else if (thisexp) | |
| 201 error("e.new is only for allocating nested classes"); | |
| 202 else if (fdn) | |
| 203 { | |
| 204 // make sure the parent context fdn of cd is reachable from sc | |
| 205 for (Dsymbol sp = sc.parent; 1; sp = sp.parent) | |
| 206 { | |
| 207 if (fdn is sp) | |
| 208 break; | |
| 209 FuncDeclaration fsp = sp ? sp.isFuncDeclaration() : null; | |
| 210 if (!sp || (fsp && fsp.isStatic())) | |
| 211 { | |
| 212 error("outer function context of %s is needed to 'new' nested class %s", fdn.toPrettyChars(), cd.toPrettyChars()); | |
| 213 break; | |
| 214 } | |
| 215 } | |
| 216 } | |
| 217 ///} else { | |
| 218 /// else if (fdn) | |
| 219 /// { | |
| 220 /// /* The nested class cd is nested inside a function, | |
| 221 /// * we'll let getEthis() look for errors. | |
| 222 /// */ | |
| 223 /// //printf("nested class %s is nested inside function %s, we're in %s\n", cd.toChars(), fdn.toChars(), sc.func.toChars()); | |
| 224 /// if (thisexp) | |
| 225 /// // Because thisexp cannot be a function frame pointer | |
| 226 /// error("e.new is only for allocating nested classes"); | |
| 227 /// } | |
| 228 ///} | |
| 229 else | |
| 230 assert(0); | |
| 231 } | |
| 232 else if (thisexp) | |
| 233 error("e.new is only for allocating nested classes"); | |
| 234 | |
| 235 FuncDeclaration f = null; | |
| 236 if (cd.ctor) | |
| 237 f = resolveFuncCall(sc, loc, cd.ctor, null, null, arguments, 0); | |
| 238 if (f) | |
| 239 { | |
| 240 checkDeprecated(sc, f); | |
| 241 member = f.isCtorDeclaration(); | |
| 242 assert(member); | |
| 243 | |
| 244 cd.accessCheck(loc, sc, member); | |
| 245 | |
| 246 tf = cast(TypeFunction)f.type; | |
| 247 | |
| 248 if (!arguments) | |
| 249 arguments = new Expressions(); | |
| 250 functionArguments(loc, sc, tf, arguments); | |
| 251 } | |
| 252 else | |
| 253 { | |
| 254 if (arguments && arguments.dim) | |
| 255 error("no constructor for %s", cd.toChars()); | |
| 256 } | |
| 257 | |
| 258 if (cd.aggNew) | |
| 259 { | |
| 260 // Prepend the size argument to newargs[] | |
| 261 Expression e = new IntegerExp(loc, cd.size(loc), Type.tsize_t); | |
| 262 if (!newargs) | |
| 263 newargs = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
264 newargs.shift(e); |
| 0 | 265 |
| 266 f = cd.aggNew.overloadResolve(loc, null, newargs); | |
| 267 allocator = f.isNewDeclaration(); | |
| 268 assert(allocator); | |
| 269 | |
| 270 tf = cast(TypeFunction)f.type; | |
| 271 functionArguments(loc, sc, tf, newargs); | |
| 272 } | |
| 273 else | |
| 274 { | |
| 275 if (newargs && newargs.dim) | |
| 276 error("no allocator for %s", cd.toChars()); | |
| 277 } | |
| 278 } | |
| 279 else if (tb.ty == Tstruct) | |
| 280 { | |
| 281 TypeStruct ts = cast(TypeStruct)tb; | |
| 282 StructDeclaration sd = ts.sym; | |
| 283 TypeFunction tf; | |
| 284 | |
| 285 FuncDeclaration f = null; | |
| 286 if (sd.ctor) | |
| 287 f = resolveFuncCall(sc, loc, sd.ctor, null, null, arguments, 0); | |
| 288 if (f) | |
| 289 { | |
| 290 checkDeprecated(sc, f); | |
| 291 member = f.isCtorDeclaration(); | |
| 292 assert(member); | |
| 293 | |
| 294 sd.accessCheck(loc, sc, member); | |
| 295 | |
| 296 tf = cast(TypeFunction)f.type; | |
| 297 // type = tf.next; | |
| 298 | |
| 299 if (!arguments) | |
| 300 arguments = new Expressions(); | |
| 301 functionArguments(loc, sc, tf, arguments); | |
| 302 } | |
| 303 else | |
| 304 { | |
| 305 if (arguments && arguments.dim) | |
| 306 error("no constructor for %s", sd.toChars()); | |
| 307 } | |
| 308 | |
| 309 if (sd.aggNew) | |
| 310 { | |
| 311 // Prepend the uint size argument to newargs[] | |
| 312 Expression e = new IntegerExp(loc, sd.size(loc), Type.tuns32); | |
| 313 if (!newargs) | |
| 314 newargs = new Expressions(); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
315 newargs.shift(e); |
| 0 | 316 |
| 317 f = sd.aggNew.overloadResolve(loc, null, newargs); | |
| 318 allocator = f.isNewDeclaration(); | |
| 319 assert(allocator); | |
| 320 | |
| 321 tf = cast(TypeFunction)f.type; | |
| 322 functionArguments(loc, sc, tf, newargs); | |
| 323 static if (false) { | |
| 324 e = new VarExp(loc, f); | |
| 325 e = new CallExp(loc, e, newargs); | |
| 326 e = e.semantic(sc); | |
| 327 e.type = type.pointerTo(); | |
| 328 return e; | |
| 329 } | |
| 330 } | |
| 331 else | |
| 332 { | |
| 333 if (newargs && newargs.dim) | |
| 334 error("no allocator for %s", sd.toChars()); | |
| 335 } | |
| 336 | |
| 337 type = type.pointerTo(); | |
| 338 } | |
| 339 else if (tb.ty == Tarray && (arguments && arguments.dim)) | |
| 340 { | |
| 341 for (size_t j = 0; j < arguments.dim; j++) | |
| 342 { | |
| 343 if (tb.ty != Tarray) | |
| 344 { | |
| 345 error("too many arguments for array"); | |
| 346 arguments.dim = i; | |
| 347 break; | |
| 348 } | |
| 349 | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
350 auto arg = arguments[j]; |
| 0 | 351 arg = resolveProperties(sc, arg); |
| 352 arg = arg.implicitCastTo(sc, Type.tsize_t); | |
| 353 arg = arg.optimize(WANTvalue); | |
| 354 if (arg.op == TOKint64 && cast(long)arg.toInteger() < 0) | |
| 355 error("negative array index %s", arg.toChars()); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
356 arguments[j] = arg; |
| 0 | 357 tb = (cast(TypeDArray)tb).next.toBasetype(); |
| 358 } | |
| 359 } | |
| 360 else if (tb.isscalar()) | |
| 361 { | |
| 362 if (arguments && arguments.dim) | |
| 363 error("no constructor for %s", type.toChars()); | |
| 364 | |
| 365 type = type.pointerTo(); | |
| 366 } | |
| 367 else | |
| 368 { | |
| 369 error("new can only create structs, dynamic arrays or class objects, not %s's", type.toChars()); | |
| 370 type = type.pointerTo(); | |
| 371 } | |
| 372 | |
| 373 //printf("NewExp: '%s'\n", toChars()); | |
| 374 //printf("NewExp:type '%s'\n", type.toChars()); | |
| 375 | |
| 376 return this; | |
| 377 } | |
| 378 | |
| 72 | 379 override Expression optimize(int result) |
| 0 | 380 { |
| 381 if (thisexp) | |
| 382 thisexp = thisexp.optimize(WANTvalue); | |
| 383 | |
| 384 // Optimize parameters | |
| 385 if (newargs) | |
| 386 { | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
387 foreach (ref Expression e; newargs) |
| 0 | 388 { |
| 389 e = e.optimize(WANTvalue); | |
| 390 } | |
| 391 } | |
| 392 | |
| 393 if (arguments) | |
| 394 { | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
395 foreach (ref Expression e; arguments) |
| 0 | 396 { |
| 397 e = e.optimize(WANTvalue); | |
| 398 } | |
| 399 } | |
| 400 return this; | |
| 401 } | |
| 402 | |
| 72 | 403 override elem* toElem(IRState* irs) |
| 0 | 404 { |
| 405 elem* e; | |
| 406 Type t; | |
| 407 Type ectype; | |
| 408 | |
| 409 //printf("NewExp.toElem() %s\n", toChars()); | |
| 410 t = type.toBasetype(); | |
| 411 //printf("\ttype = %s\n", t.toChars()); | |
| 412 //if (member) | |
| 413 //printf("\tmember = %s\n", member.toChars()); | |
| 414 if (t.ty == Tclass) | |
| 415 { | |
| 416 Symbol* csym; | |
| 417 | |
| 418 t = newtype.toBasetype(); | |
| 419 assert(t.ty == Tclass); | |
| 420 TypeClass tclass = cast(TypeClass)t; | |
| 421 ClassDeclaration cd = tclass.sym; | |
| 422 | |
| 423 /* Things to do: | |
| 424 * 1) ex: call allocator | |
| 425 * 2) ey: set vthis for nested classes | |
| 426 * 3) ez: call constructor | |
| 427 */ | |
| 428 | |
| 429 elem *ex = null; | |
| 430 elem *ey = null; | |
| 431 elem *ez = null; | |
| 432 | |
| 433 if (allocator || onstack) | |
| 434 { | |
| 435 elem *ei; | |
| 436 Symbol *si; | |
| 437 | |
| 438 if (onstack) | |
| 439 { | |
| 440 /* Create an instance of the class on the stack, | |
| 441 * and call it stmp. | |
| 442 * Set ex to be the &stmp. | |
| 443 */ | |
| 444 Symbol* s = symbol_calloc(toStringz(tclass.sym.toChars())); | |
| 445 s.Sclass = SCstruct; | |
| 446 s.Sstruct = struct_calloc(); | |
| 447 s.Sstruct.Sflags |= 0; | |
| 448 s.Sstruct.Salignsize = tclass.sym.alignsize; | |
| 449 s.Sstruct.Sstructalign = cast(ubyte)tclass.sym.structalign; | |
| 450 s.Sstruct.Sstructsize = tclass.sym.structsize; | |
| 451 | |
| 452 .type* tc = type_alloc(TYstruct); | |
| 453 tc.Ttag = cast(Classsym*)s; // structure tag name | |
| 454 tc.Tcount++; | |
| 455 s.Stype = tc; | |
| 456 | |
| 457 Symbol *stmp = symbol_genauto(tc); | |
| 458 ex = el_ptr(stmp); | |
| 459 } | |
| 460 else | |
| 461 { | |
| 462 ex = el_var(allocator.toSymbol()); | |
| 463 ex = callfunc(loc, irs, 1, type, ex, allocator.type, | |
| 464 allocator, allocator.type, null, newargs); | |
| 465 } | |
| 466 | |
| 467 si = tclass.sym.toInitializer(); | |
| 468 ei = el_var(si); | |
| 469 | |
| 470 if (cd.isNested()) | |
| 471 { | |
| 472 ey = el_same(&ex); | |
| 473 ez = el_copytree(ey); | |
| 474 } | |
| 475 else if (member) | |
| 476 ez = el_same(&ex); | |
| 477 | |
| 478 ex = el_una(OPind, TYstruct, ex); | |
| 479 ex = el_bin(OPstreq, TYnptr, ex, ei); | |
| 480 ex.Enumbytes = cd.size(loc); | |
| 481 ex = el_una(OPaddr, TYnptr, ex); | |
| 482 ectype = tclass; | |
| 483 } | |
| 484 else | |
| 485 { | |
| 486 csym = cd.toSymbol(); | |
| 487 ex = el_bin(OPcall,TYnptr,el_var(rtlsym[RTLSYM_NEWCLASS]),el_ptr(csym)); | |
| 488 ectype = null; | |
| 489 | |
| 490 if (cd.isNested()) | |
| 491 { | |
| 492 ey = el_same(&ex); | |
| 493 ez = el_copytree(ey); | |
| 494 } | |
| 495 else if (member) | |
| 496 ez = el_same(&ex); | |
| 497 //elem_print(ex); | |
| 498 //elem_print(ey); | |
| 499 //elem_print(ez); | |
| 500 } | |
| 501 | |
| 502 if (thisexp) | |
| 503 { | |
| 504 ClassDeclaration cdthis = thisexp.type.isClassHandle(); | |
| 505 assert(cdthis); | |
| 506 //printf("cd = %s\n", cd.toChars()); | |
| 507 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 508 assert(cd.isNested()); | |
| 509 int offset = 0; | |
| 510 Dsymbol cdp = cd.toParent2(); // class we're nested in | |
| 511 elem* ethis; | |
| 512 | |
| 513 //printf("member = %p\n", member); | |
| 514 //printf("cdp = %s\n", cdp.toChars()); | |
| 515 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 516 if (cdp != cdthis) | |
| 517 { | |
| 518 int i = cdp.isClassDeclaration().isBaseOf(cdthis, &offset); | |
| 519 assert(i); | |
| 520 } | |
| 521 ethis = thisexp.toElem(irs); | |
| 522 if (offset) | |
| 523 ethis = el_bin(OPadd, TYnptr, ethis, el_long(TYint, offset)); | |
| 524 | |
| 525 if (!cd.vthis) | |
| 526 { | |
| 527 error("forward reference to %s", cd.toChars()); | |
| 528 } | |
| 529 else | |
| 530 { | |
| 531 ey = el_bin(OPadd, TYnptr, ey, el_long(TYint, cd.vthis.offset)); | |
| 532 ey = el_una(OPind, TYnptr, ey); | |
| 533 ey = el_bin(OPeq, TYnptr, ey, ethis); | |
| 534 } | |
| 535 //printf("ex: "); elem_print(ex); | |
| 536 //printf("ey: "); elem_print(ey); | |
| 537 //printf("ez: "); elem_print(ez); | |
| 538 } | |
| 539 else if (cd.isNested()) | |
| 540 { | |
| 541 /* Initialize cd.vthis: | |
| 542 * *(ey + cd.vthis.offset) = this; | |
| 543 */ | |
| 544 ey = setEthis(loc, irs, ey, cd); | |
| 545 } | |
| 546 | |
| 547 if (member) | |
| 548 // Call constructor | |
| 549 ez = callfunc(loc, irs, 1, type, ez, ectype, member, member.type, null, arguments); | |
| 550 | |
| 551 e = el_combine(ex, ey); | |
| 552 e = el_combine(e, ez); | |
| 553 } | |
| 554 else if (t.ty == Tpointer && t.nextOf().toBasetype().ty == Tstruct) | |
| 555 { | |
| 556 Symbol* csym; | |
| 557 | |
| 558 t = newtype.toBasetype(); | |
| 559 assert(t.ty == Tstruct); | |
| 560 TypeStruct tclass = cast(TypeStruct)t; | |
| 561 StructDeclaration cd = tclass.sym; | |
| 562 | |
| 563 /* Things to do: | |
| 564 * 1) ex: call allocator | |
| 565 * 2) ey: set vthis for nested classes | |
| 566 * 3) ez: call constructor | |
| 567 */ | |
| 568 | |
| 569 elem* ex = null; | |
| 570 elem* ey = null; | |
| 571 elem* ez = null; | |
| 572 | |
| 573 if (allocator) | |
| 574 { | |
| 575 elem *ei; | |
| 576 Symbol *si; | |
| 577 | |
| 578 ex = el_var(allocator.toSymbol()); | |
| 579 ex = callfunc(loc, irs, 1, type, ex, allocator.type, | |
| 580 allocator, allocator.type, null, newargs); | |
| 581 | |
| 582 si = tclass.sym.toInitializer(); | |
| 583 ei = el_var(si); | |
| 584 | |
| 585 if (cd.isNested()) | |
| 586 { | |
| 587 ey = el_same(&ex); | |
| 588 ez = el_copytree(ey); | |
| 589 } | |
| 590 else if (member) | |
| 591 ez = el_same(&ex); | |
| 592 | |
| 593 if (!member) | |
| 594 { | |
| 595 /* Statically intialize with default initializer | |
| 596 */ | |
| 597 ex = el_una(OPind, TYstruct, ex); | |
| 598 ex = el_bin(OPstreq, TYnptr, ex, ei); | |
| 599 ex.Enumbytes = cd.size(loc); | |
| 600 ex = el_una(OPaddr, TYnptr, ex); | |
| 601 } | |
| 602 ectype = tclass; | |
| 603 } | |
| 604 else | |
| 605 { | |
| 606 ulong elemsize = cd.size(loc); | |
| 607 | |
| 608 // call _d_newarrayT(ti, 1) | |
| 609 e = el_long(TYsize_t, 1); | |
| 610 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 611 | |
| 612 int rtl = t.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 613 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 614 | |
| 615 // The new functions return an array, so convert to a pointer | |
| 616 // ex . (unsigned)(e >> 32) | |
| 617 e = el_bin(OPshr, TYdarray, e, el_long(TYint, 32)); | |
| 618 ex = el_una(OP64_32, TYnptr, e); | |
| 619 | |
| 620 ectype = null; | |
| 621 | |
| 622 if (cd.isNested()) | |
| 623 { | |
| 624 ey = el_same(&ex); | |
| 625 ez = el_copytree(ey); | |
| 626 } | |
| 627 else if (member) | |
| 628 ez = el_same(&ex); | |
| 629 //elem_print(ex); | |
| 630 //elem_print(ey); | |
| 631 //elem_print(ez); | |
| 632 } | |
| 633 | |
| 634 if (cd.isNested()) | |
| 635 { | |
| 636 /* Initialize cd.vthis: | |
| 637 * *(ey + cd.vthis.offset) = this; | |
| 638 */ | |
| 639 ey = setEthis(loc, irs, ey, cd); | |
| 640 } | |
| 641 | |
| 642 if (member) | |
| 643 { | |
| 644 // Call constructor | |
| 645 ez = callfunc(loc, irs, 1, type, ez, ectype, member, member.type, null, arguments); | |
| 646 version (STRUCTTHISREF) { | |
| 647 /* Structs return a ref, which gets automatically dereferenced. | |
| 648 * But we want a pointer to the instance. | |
| 649 */ | |
| 650 ez = el_una(OPaddr, TYnptr, ez); | |
| 651 } | |
| 652 } | |
| 653 | |
| 654 e = el_combine(ex, ey); | |
| 655 e = el_combine(e, ez); | |
| 656 } | |
| 657 else if (t.ty == Tarray) | |
| 658 { | |
| 659 TypeDArray tda = cast(TypeDArray)t; | |
| 660 | |
| 661 assert(arguments && arguments.dim >= 1); | |
| 662 if (arguments.dim == 1) | |
| 663 { | |
| 664 // Single dimension array allocations | |
|
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|
665 auto arg = arguments[0]; // gives array length |
| 0 | 666 e = arg.toElem(irs); |
| 667 ulong elemsize = tda.next.size(); | |
| 668 | |
| 669 // call _d_newT(ti, arg) | |
| 670 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 671 int rtl = tda.next.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 672 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 673 } | |
| 674 else | |
| 675 { | |
| 676 // Multidimensional array allocations | |
| 677 e = el_long(TYint, arguments.dim); | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
|
678 foreach (Expression arg; arguments) |
| 0 | 679 { |
| 680 e = el_param(arg.toElem(irs), e); | |
| 681 assert(t.ty == Tarray); | |
| 682 t = t.nextOf(); | |
| 683 assert(t); | |
| 684 } | |
| 685 | |
| 686 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 687 | |
| 688 int rtl = t.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYMT : RTLSYM_NEWARRAYMIT; | |
| 689 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 690 } | |
| 691 } | |
| 692 else if (t.ty == Tpointer) | |
| 693 { | |
| 694 TypePointer tp = cast(TypePointer)t; | |
| 695 ulong elemsize = tp.next.size(); | |
| 696 Expression di = tp.next.defaultInit(Loc(0)); | |
| 697 ulong disize = di.type.size(); | |
| 698 | |
| 699 // call _d_newarrayT(ti, 1) | |
| 700 e = el_long(TYsize_t, 1); | |
| 701 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 702 | |
| 703 int rtl = tp.next.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 704 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 705 | |
| 706 // The new functions return an array, so convert to a pointer | |
| 707 // e . (unsigned)(e >> 32) | |
| 708 e = el_bin(OPshr, TYdarray, e, el_long(TYint, 32)); | |
| 709 e = el_una(OP64_32, t.totym(), e); | |
| 710 } | |
| 711 else | |
| 712 { | |
| 713 assert(0); | |
| 714 } | |
| 715 | |
| 716 el_setLoc(e,loc); | |
| 717 return e; | |
| 718 } | |
| 719 | |
| 72 | 720 override bool checkSideEffect(int flag) |
| 0 | 721 { |
| 722 assert(false); | |
| 723 } | |
| 724 | |
| 72 | 725 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 726 { |
| 727 assert(false); | |
| 728 } | |
| 729 | |
| 72 | 730 override void scanForNestedRef(Scope sc) |
| 0 | 731 { |
| 72 | 732 //printf("NewExp.scanForNestedRef(Scope *sc): %s\n", toChars()); |
| 733 | |
| 734 if (thisexp) | |
| 735 thisexp.scanForNestedRef(sc); | |
| 736 arrayExpressionScanForNestedRef(sc, newargs); | |
| 64 | 737 arrayExpressionScanForNestedRef(sc, arguments); |
| 0 | 738 } |
| 739 | |
| 740 version (DMDV2) { | |
| 72 | 741 override bool canThrow() |
| 0 | 742 { |
| 743 return 1; | |
| 72 | 744 } |
| 0 | 745 } |
| 72 | 746 |
| 0 | 747 //int inlineCost(InlineCostState *ics); |
| 748 | |
| 72 | 749 override Expression doInline(InlineDoState ids) |
| 0 | 750 { |
| 751 //printf("NewExp.doInline(): %s\n", toChars()); | |
| 752 NewExp ne = cast(NewExp)copy(); | |
| 753 | |
| 754 if (thisexp) | |
| 755 ne.thisexp = thisexp.doInline(ids); | |
| 756 ne.newargs = arrayExpressiondoInline(ne.newargs, ids); | |
| 757 ne.arguments = arrayExpressiondoInline(ne.arguments, ids); | |
| 758 return ne; | |
| 72 | 759 } |
| 760 | |
| 0 | 761 //Expression inlineScan(InlineScanState *iss); |
| 762 } | |
| 763 |