Mercurial > projects > ddmd
annotate dmd/NewExp.d @ 179:cd48cb899aee
Updated to dmd2.040
| author | korDen |
|---|---|
| date | Sun, 17 Oct 2010 20:56:07 +0400 |
| parents | e3afd1303184 |
| children | b0d41ff5e0df |
| rev | line source |
|---|---|
| 72 | 1 module dmd.NewExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 72 | 4 import dmd.Expression; |
| 179 | 5 import dmd.GlobalExpressions; |
| 72 | 6 import dmd.NewDeclaration; |
| 0 | 7 import dmd.CtorDeclaration; |
| 72 | 8 import dmd.ClassDeclaration; |
| 179 | 9 import dmd.InterState; |
| 72 | 10 import dmd.Type; |
| 11 import dmd.OutBuffer; | |
| 174 | 12 import dmd.PREC; |
| 72 | 13 import dmd.Loc; |
| 14 import dmd.Scope; | |
| 15 import dmd.IRState; | |
| 16 import dmd.InlineDoState; | |
| 17 import dmd.HdrGenState; | |
| 18 import dmd.ArrayTypes; | |
| 0 | 19 import dmd.TOK; |
| 20 import dmd.TY; | |
| 21 import dmd.TypeFunction; | |
| 22 import dmd.TypeClass; | |
| 23 import dmd.TypeStruct; | |
| 24 import dmd.StructDeclaration; | |
| 25 import dmd.FuncDeclaration; | |
| 26 import dmd.TypeDArray; | |
| 27 import dmd.Dsymbol; | |
| 28 import dmd.ThisExp; | |
| 29 import dmd.DotIdExp; | |
| 30 import dmd.Id; | |
| 31 import dmd.WANT; | |
| 32 import dmd.Global; | |
| 33 import dmd.IntegerExp; | |
| 34 import dmd.TypePointer; | |
| 72 | 35 |
| 179 | 36 import dmd.interpret.Util; |
| 37 import dmd.expression.Util; | |
| 38 | |
| 0 | 39 import dmd.backend.elem; |
| 40 import dmd.backend.TYM; | |
| 41 import dmd.backend.SC; | |
| 42 import dmd.backend.TYPE; | |
| 43 import dmd.backend.TYM; | |
| 44 import dmd.backend.Symbol; | |
| 45 import dmd.backend.Classsym; | |
| 46 import dmd.backend.Util; | |
| 47 import dmd.backend.OPER; | |
| 48 import dmd.backend.RTLSYM; | |
| 49 import dmd.codegen.Util; | |
| 50 | |
| 72 | 51 import std.string : toStringz; |
| 52 | |
| 0 | 53 class NewExp : Expression |
| 54 { | |
| 72 | 55 /* thisexp.new(newargs) newtype(arguments) |
| 56 */ | |
| 57 Expression thisexp; // if !null, 'this' for class being allocated | |
| 58 Expressions newargs; // Array of Expression's to call new operator | |
| 59 Type newtype; | |
| 60 Expressions arguments; // Array of Expression's | |
| 61 | |
| 62 CtorDeclaration member; // constructor function | |
| 63 NewDeclaration allocator; // allocator function | |
| 0 | 64 int onstack; // allocate on stack |
| 65 | |
| 66 this(Loc loc, Expression thisexp, Expressions newargs, Type newtype, Expressions arguments) | |
| 67 { | |
| 178 | 68 register(); |
| 0 | 69 super(loc, TOK.TOKnew, NewExp.sizeof); |
| 70 this.thisexp = thisexp; | |
| 71 this.newargs = newargs; | |
| 72 this.newtype = newtype; | |
| 73 this.arguments = arguments; | |
| 74 } | |
| 75 | |
| 72 | 76 override Expression syntaxCopy() |
| 0 | 77 { |
| 72 | 78 return new NewExp(loc, |
| 79 thisexp ? thisexp.syntaxCopy() : null, | |
| 80 arraySyntaxCopy(newargs), | |
| 53 | 81 newtype.syntaxCopy(), arraySyntaxCopy(arguments)); |
| 0 | 82 } |
| 83 | |
| 72 | 84 override Expression semantic(Scope sc) |
| 0 | 85 { |
| 86 int i; | |
| 87 Type tb; | |
| 88 ClassDeclaration cdthis = null; | |
| 89 | |
| 90 version (LOGSEMANTIC) { | |
| 91 printf("NewExp.semantic() %s\n", toChars()); | |
| 92 if (thisexp) | |
| 93 printf("\tthisexp = %s\n", thisexp.toChars()); | |
| 94 printf("\tnewtype: %s\n", newtype.toChars()); | |
| 95 } | |
| 96 if (type) // if semantic() already run | |
| 97 return this; | |
| 98 | |
| 99 Lagain: | |
| 100 if (thisexp) | |
| 174 | 101 { |
| 0 | 102 thisexp = thisexp.semantic(sc); |
| 103 cdthis = thisexp.type.isClassHandle(); | |
| 104 if (cdthis) | |
| 105 { | |
| 106 sc = sc.push(cdthis); | |
| 107 type = newtype.semantic(loc, sc); | |
| 108 sc = sc.pop(); | |
| 109 } | |
| 110 else | |
| 111 { | |
| 112 error("'this' for nested class must be a class type, not %s", thisexp.type.toChars()); | |
| 113 type = newtype.semantic(loc, sc); | |
| 114 } | |
| 115 } | |
| 116 else | |
| 117 type = newtype.semantic(loc, sc); | |
| 118 newtype = type; // in case type gets cast to something else | |
| 119 tb = type.toBasetype(); | |
| 120 //printf("tb: %s, deco = %s\n", tb.toChars(), tb.deco); | |
| 121 | |
| 122 arrayExpressionSemantic(newargs, sc); | |
|
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123 preFunctionParameters(loc, sc, newargs); |
| 0 | 124 arrayExpressionSemantic(arguments, sc); |
|
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125 preFunctionParameters(loc, sc, arguments); |
| 0 | 126 |
| 127 if (thisexp && tb.ty != Tclass) | |
| 128 error("e.new is only for allocating nested classes, not %s", tb.toChars()); | |
| 129 | |
| 130 if (tb.ty == Tclass) | |
| 174 | 131 { |
| 0 | 132 TypeFunction tf; |
| 133 | |
| 134 TypeClass tc = cast(TypeClass)tb; | |
| 135 ClassDeclaration cd = tc.sym.isClassDeclaration(); | |
| 136 if (cd.isInterfaceDeclaration()) | |
| 137 error("cannot create instance of interface %s", cd.toChars()); | |
| 138 else if (cd.isAbstract()) | |
| 174 | 139 { |
| 0 | 140 error("cannot create instance of abstract class %s", cd.toChars()); |
| 141 for (int j = 0; j < cd.vtbl.dim; j++) | |
| 174 | 142 { |
| 0 | 143 FuncDeclaration fd = (cast(Dsymbol)cd.vtbl.data[j]).isFuncDeclaration(); |
| 144 if (fd && fd.isAbstract()) | |
| 145 error("function %s is abstract", fd.toChars()); | |
| 146 } | |
| 147 } | |
| 148 checkDeprecated(sc, cd); | |
| 149 if (cd.isNested()) | |
| 150 { /* We need a 'this' pointer for the nested class. | |
| 151 * Ensure we have the right one. | |
| 152 */ | |
| 153 Dsymbol s = cd.toParent2(); | |
| 154 ClassDeclaration cdn = s.isClassDeclaration(); | |
| 155 FuncDeclaration fdn = s.isFuncDeclaration(); | |
| 156 | |
| 157 //printf("cd isNested, cdn = %s\n", cdn ? cdn.toChars() : "null"); | |
| 158 if (cdn) | |
| 159 { | |
| 160 if (!cdthis) | |
| 161 { | |
| 162 // Supply an implicit 'this' and try again | |
| 163 thisexp = new ThisExp(loc); | |
| 164 for (Dsymbol sp = sc.parent; 1; sp = sp.parent) | |
| 174 | 165 { |
| 0 | 166 if (!sp) |
| 167 { | |
| 168 error("outer class %s 'this' needed to 'new' nested class %s", cdn.toChars(), cd.toChars()); | |
| 169 break; | |
| 170 } | |
| 171 ClassDeclaration cdp = sp.isClassDeclaration(); | |
| 172 if (!cdp) | |
| 173 continue; | |
| 174 if (cdp == cdn || cdn.isBaseOf(cdp, null)) | |
| 175 break; | |
| 176 // Add a '.outer' and try again | |
| 177 thisexp = new DotIdExp(loc, thisexp, Id.outer); | |
| 178 } | |
| 179 if (!global.errors) | |
| 180 goto Lagain; | |
| 181 } | |
| 182 if (cdthis) | |
| 183 { | |
| 184 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 185 if (cdthis != cdn && !cdn.isBaseOf(cdthis, null)) | |
| 186 error("'this' for nested class must be of type %s, not %s", cdn.toChars(), thisexp.type.toChars()); | |
| 187 } | |
| 188 else | |
| 189 { | |
| 190 static if (false) { | |
| 191 for (Dsymbol *sf = sc.func; 1; sf= sf.toParent2().isFuncDeclaration()) | |
| 192 { | |
| 193 if (!sf) | |
| 194 { | |
| 195 error("outer class %s 'this' needed to 'new' nested class %s", cdn.toChars(), cd.toChars()); | |
| 196 break; | |
| 197 } | |
| 198 printf("sf = %s\n", sf.toChars()); | |
| 199 AggregateDeclaration *ad = sf.isThis(); | |
| 200 if (ad && (ad == cdn || cdn.isBaseOf(ad.isClassDeclaration(), null))) | |
| 201 break; | |
| 202 } | |
| 203 } | |
| 204 } | |
| 205 } | |
| 206 ///static if (true) { | |
| 207 else if (thisexp) | |
| 208 error("e.new is only for allocating nested classes"); | |
| 209 else if (fdn) | |
| 210 { | |
| 211 // make sure the parent context fdn of cd is reachable from sc | |
| 212 for (Dsymbol sp = sc.parent; 1; sp = sp.parent) | |
| 213 { | |
| 214 if (fdn is sp) | |
| 215 break; | |
| 216 FuncDeclaration fsp = sp ? sp.isFuncDeclaration() : null; | |
| 217 if (!sp || (fsp && fsp.isStatic())) | |
| 218 { | |
| 219 error("outer function context of %s is needed to 'new' nested class %s", fdn.toPrettyChars(), cd.toPrettyChars()); | |
| 220 break; | |
| 221 } | |
| 222 } | |
| 223 } | |
| 224 ///} else { | |
| 225 /// else if (fdn) | |
| 174 | 226 /// { |
| 0 | 227 /// /* The nested class cd is nested inside a function, |
| 228 /// * we'll let getEthis() look for errors. | |
| 229 /// */ | |
| 230 /// //printf("nested class %s is nested inside function %s, we're in %s\n", cd.toChars(), fdn.toChars(), sc.func.toChars()); | |
| 231 /// if (thisexp) | |
| 232 /// // Because thisexp cannot be a function frame pointer | |
| 233 /// error("e.new is only for allocating nested classes"); | |
| 234 /// } | |
| 235 ///} | |
| 236 else | |
| 237 assert(0); | |
| 238 } | |
| 239 else if (thisexp) | |
| 240 error("e.new is only for allocating nested classes"); | |
| 241 | |
| 242 FuncDeclaration f = null; | |
| 243 if (cd.ctor) | |
| 244 f = resolveFuncCall(sc, loc, cd.ctor, null, null, arguments, 0); | |
| 245 if (f) | |
| 246 { | |
| 247 checkDeprecated(sc, f); | |
| 248 member = f.isCtorDeclaration(); | |
| 249 assert(member); | |
| 250 | |
| 251 cd.accessCheck(loc, sc, member); | |
| 252 | |
| 253 tf = cast(TypeFunction)f.type; | |
| 254 | |
| 255 if (!arguments) | |
| 256 arguments = new Expressions(); | |
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257 functionParameters(loc, sc, tf, arguments); |
| 0 | 258 } |
| 259 else | |
| 260 { | |
| 261 if (arguments && arguments.dim) | |
| 262 error("no constructor for %s", cd.toChars()); | |
| 263 } | |
| 264 | |
| 265 if (cd.aggNew) | |
| 266 { | |
| 267 // Prepend the size argument to newargs[] | |
| 268 Expression e = new IntegerExp(loc, cd.size(loc), Type.tsize_t); | |
| 269 if (!newargs) | |
| 270 newargs = new Expressions(); | |
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271 newargs.shift(e); |
| 0 | 272 |
| 273 f = cd.aggNew.overloadResolve(loc, null, newargs); | |
| 274 allocator = f.isNewDeclaration(); | |
| 275 assert(allocator); | |
| 276 | |
| 277 tf = cast(TypeFunction)f.type; | |
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278 functionParameters(loc, sc, tf, newargs); |
| 0 | 279 } |
| 280 else | |
| 281 { | |
| 282 if (newargs && newargs.dim) | |
| 283 error("no allocator for %s", cd.toChars()); | |
| 284 } | |
| 285 } | |
| 286 else if (tb.ty == Tstruct) | |
| 287 { | |
| 288 TypeStruct ts = cast(TypeStruct)tb; | |
| 289 StructDeclaration sd = ts.sym; | |
| 290 TypeFunction tf; | |
| 291 | |
| 292 FuncDeclaration f = null; | |
| 293 if (sd.ctor) | |
| 294 f = resolveFuncCall(sc, loc, sd.ctor, null, null, arguments, 0); | |
| 295 if (f) | |
| 296 { | |
| 297 checkDeprecated(sc, f); | |
| 298 member = f.isCtorDeclaration(); | |
| 299 assert(member); | |
| 300 | |
| 301 sd.accessCheck(loc, sc, member); | |
| 302 | |
| 303 tf = cast(TypeFunction)f.type; | |
| 304 // type = tf.next; | |
| 305 | |
| 306 if (!arguments) | |
| 307 arguments = new Expressions(); | |
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parents:
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diff
changeset
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308 functionParameters(loc, sc, tf, arguments); |
| 0 | 309 } |
| 310 else | |
| 311 { | |
| 312 if (arguments && arguments.dim) | |
| 313 error("no constructor for %s", sd.toChars()); | |
| 314 } | |
| 315 | |
| 316 if (sd.aggNew) | |
| 317 { | |
| 318 // Prepend the uint size argument to newargs[] | |
| 319 Expression e = new IntegerExp(loc, sd.size(loc), Type.tuns32); | |
| 320 if (!newargs) | |
| 321 newargs = new Expressions(); | |
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322 newargs.shift(e); |
| 0 | 323 |
| 324 f = sd.aggNew.overloadResolve(loc, null, newargs); | |
| 325 allocator = f.isNewDeclaration(); | |
| 326 assert(allocator); | |
| 327 | |
| 328 tf = cast(TypeFunction)f.type; | |
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329 functionParameters(loc, sc, tf, newargs); |
| 0 | 330 static if (false) { |
| 331 e = new VarExp(loc, f); | |
| 332 e = new CallExp(loc, e, newargs); | |
| 333 e = e.semantic(sc); | |
| 334 e.type = type.pointerTo(); | |
| 335 return e; | |
| 336 } | |
| 337 } | |
| 338 else | |
| 339 { | |
| 340 if (newargs && newargs.dim) | |
| 341 error("no allocator for %s", sd.toChars()); | |
| 342 } | |
| 343 | |
| 344 type = type.pointerTo(); | |
| 345 } | |
| 346 else if (tb.ty == Tarray && (arguments && arguments.dim)) | |
| 347 { | |
| 348 for (size_t j = 0; j < arguments.dim; j++) | |
| 349 { | |
| 350 if (tb.ty != Tarray) | |
| 174 | 351 { |
| 0 | 352 error("too many arguments for array"); |
| 353 arguments.dim = i; | |
| 354 break; | |
| 355 } | |
| 356 | |
|
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357 auto arg = arguments[j]; |
| 0 | 358 arg = resolveProperties(sc, arg); |
| 359 arg = arg.implicitCastTo(sc, Type.tsize_t); | |
| 360 arg = arg.optimize(WANTvalue); | |
| 361 if (arg.op == TOKint64 && cast(long)arg.toInteger() < 0) | |
| 362 error("negative array index %s", arg.toChars()); | |
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363 arguments[j] = arg; |
| 0 | 364 tb = (cast(TypeDArray)tb).next.toBasetype(); |
| 365 } | |
| 366 } | |
| 367 else if (tb.isscalar()) | |
| 368 { | |
| 369 if (arguments && arguments.dim) | |
| 370 error("no constructor for %s", type.toChars()); | |
| 371 | |
| 372 type = type.pointerTo(); | |
| 373 } | |
| 374 else | |
| 375 { | |
| 376 error("new can only create structs, dynamic arrays or class objects, not %s's", type.toChars()); | |
| 377 type = type.pointerTo(); | |
| 378 } | |
| 379 | |
| 380 //printf("NewExp: '%s'\n", toChars()); | |
| 381 //printf("NewExp:type '%s'\n", type.toChars()); | |
| 382 | |
| 383 return this; | |
| 384 } | |
| 179 | 385 |
| 386 Expression interpret(InterState istate) | |
| 387 { | |
| 388 version (LOG) { | |
| 389 writef("NewExp::interpret() %s\n", toChars()); | |
| 390 } | |
| 391 if (newtype.ty == Tarray && arguments && arguments.dim == 1) | |
| 392 { | |
| 393 Expression lenExpr = arguments[0].interpret(istate); | |
| 394 if (lenExpr is EXP_CANT_INTERPRET) | |
| 395 return EXP_CANT_INTERPRET; | |
| 396 return createBlockDuplicatedArrayLiteral(newtype, newtype.defaultInitLiteral(Loc(0)), cast(uint)lenExpr.toInteger()); | |
| 397 } | |
| 398 error("Cannot interpret %s at compile time", toChars()); | |
| 399 return EXP_CANT_INTERPRET; | |
| 400 | |
| 401 } | |
| 0 | 402 |
| 72 | 403 override Expression optimize(int result) |
| 0 | 404 { |
| 405 if (thisexp) | |
| 406 thisexp = thisexp.optimize(WANTvalue); | |
| 407 | |
| 408 // Optimize parameters | |
| 409 if (newargs) | |
| 410 { | |
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411 foreach (ref Expression e; newargs) |
| 174 | 412 { |
| 0 | 413 e = e.optimize(WANTvalue); |
| 414 } | |
| 415 } | |
| 416 | |
| 417 if (arguments) | |
| 418 { | |
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parents:
84
diff
changeset
|
419 foreach (ref Expression e; arguments) |
| 174 | 420 { |
| 0 | 421 e = e.optimize(WANTvalue); |
| 422 } | |
| 423 } | |
| 424 return this; | |
| 425 } | |
| 426 | |
| 72 | 427 override elem* toElem(IRState* irs) |
| 0 | 428 { |
| 429 elem* e; | |
| 430 Type t; | |
| 431 Type ectype; | |
| 432 | |
| 433 //printf("NewExp.toElem() %s\n", toChars()); | |
| 434 t = type.toBasetype(); | |
| 435 //printf("\ttype = %s\n", t.toChars()); | |
| 436 //if (member) | |
| 437 //printf("\tmember = %s\n", member.toChars()); | |
| 438 if (t.ty == Tclass) | |
| 439 { | |
| 440 Symbol* csym; | |
| 441 | |
| 442 t = newtype.toBasetype(); | |
| 443 assert(t.ty == Tclass); | |
| 444 TypeClass tclass = cast(TypeClass)t; | |
| 445 ClassDeclaration cd = tclass.sym; | |
| 446 | |
| 447 /* Things to do: | |
| 448 * 1) ex: call allocator | |
| 449 * 2) ey: set vthis for nested classes | |
| 450 * 3) ez: call constructor | |
| 451 */ | |
| 452 | |
| 453 elem *ex = null; | |
| 454 elem *ey = null; | |
| 455 elem *ez = null; | |
| 456 | |
| 457 if (allocator || onstack) | |
| 174 | 458 { |
| 0 | 459 elem *ei; |
| 460 Symbol *si; | |
| 461 | |
| 462 if (onstack) | |
| 463 { | |
| 464 /* Create an instance of the class on the stack, | |
| 465 * and call it stmp. | |
| 466 * Set ex to be the &stmp. | |
| 467 */ | |
| 468 Symbol* s = symbol_calloc(toStringz(tclass.sym.toChars())); | |
| 469 s.Sclass = SCstruct; | |
| 470 s.Sstruct = struct_calloc(); | |
| 471 s.Sstruct.Sflags |= 0; | |
| 472 s.Sstruct.Salignsize = tclass.sym.alignsize; | |
| 473 s.Sstruct.Sstructalign = cast(ubyte)tclass.sym.structalign; | |
| 474 s.Sstruct.Sstructsize = tclass.sym.structsize; | |
| 475 | |
| 476 .type* tc = type_alloc(TYstruct); | |
| 477 tc.Ttag = cast(Classsym*)s; // structure tag name | |
| 478 tc.Tcount++; | |
| 479 s.Stype = tc; | |
| 480 | |
| 481 Symbol *stmp = symbol_genauto(tc); | |
| 482 ex = el_ptr(stmp); | |
| 483 } | |
| 484 else | |
| 485 { | |
| 486 ex = el_var(allocator.toSymbol()); | |
| 487 ex = callfunc(loc, irs, 1, type, ex, allocator.type, | |
| 488 allocator, allocator.type, null, newargs); | |
| 489 } | |
| 490 | |
| 491 si = tclass.sym.toInitializer(); | |
| 492 ei = el_var(si); | |
| 493 | |
| 494 if (cd.isNested()) | |
| 495 { | |
| 496 ey = el_same(&ex); | |
| 497 ez = el_copytree(ey); | |
| 498 } | |
| 499 else if (member) | |
| 500 ez = el_same(&ex); | |
| 501 | |
| 502 ex = el_una(OPind, TYstruct, ex); | |
| 503 ex = el_bin(OPstreq, TYnptr, ex, ei); | |
| 504 ex.Enumbytes = cd.size(loc); | |
| 505 ex = el_una(OPaddr, TYnptr, ex); | |
| 506 ectype = tclass; | |
| 507 } | |
| 508 else | |
| 509 { | |
| 510 csym = cd.toSymbol(); | |
| 511 ex = el_bin(OPcall,TYnptr,el_var(rtlsym[RTLSYM_NEWCLASS]),el_ptr(csym)); | |
| 512 ectype = null; | |
| 513 | |
| 514 if (cd.isNested()) | |
| 515 { | |
| 516 ey = el_same(&ex); | |
| 517 ez = el_copytree(ey); | |
| 518 } | |
| 519 else if (member) | |
| 520 ez = el_same(&ex); | |
| 521 //elem_print(ex); | |
| 522 //elem_print(ey); | |
| 523 //elem_print(ez); | |
| 524 } | |
| 525 | |
| 526 if (thisexp) | |
| 174 | 527 { |
| 0 | 528 ClassDeclaration cdthis = thisexp.type.isClassHandle(); |
| 529 assert(cdthis); | |
| 530 //printf("cd = %s\n", cd.toChars()); | |
| 531 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 532 assert(cd.isNested()); | |
| 533 int offset = 0; | |
| 534 Dsymbol cdp = cd.toParent2(); // class we're nested in | |
| 535 elem* ethis; | |
| 536 | |
| 537 //printf("member = %p\n", member); | |
| 538 //printf("cdp = %s\n", cdp.toChars()); | |
| 539 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 540 if (cdp != cdthis) | |
| 174 | 541 { |
| 0 | 542 int i = cdp.isClassDeclaration().isBaseOf(cdthis, &offset); |
| 543 assert(i); | |
| 544 } | |
| 545 ethis = thisexp.toElem(irs); | |
| 546 if (offset) | |
| 547 ethis = el_bin(OPadd, TYnptr, ethis, el_long(TYint, offset)); | |
| 548 | |
| 549 if (!cd.vthis) | |
| 550 { | |
| 551 error("forward reference to %s", cd.toChars()); | |
| 552 } | |
| 553 else | |
| 554 { | |
| 555 ey = el_bin(OPadd, TYnptr, ey, el_long(TYint, cd.vthis.offset)); | |
| 556 ey = el_una(OPind, TYnptr, ey); | |
| 557 ey = el_bin(OPeq, TYnptr, ey, ethis); | |
| 558 } | |
| 559 //printf("ex: "); elem_print(ex); | |
| 560 //printf("ey: "); elem_print(ey); | |
| 561 //printf("ez: "); elem_print(ez); | |
| 562 } | |
| 563 else if (cd.isNested()) | |
| 174 | 564 { |
| 0 | 565 /* Initialize cd.vthis: |
| 566 * *(ey + cd.vthis.offset) = this; | |
| 567 */ | |
| 568 ey = setEthis(loc, irs, ey, cd); | |
| 569 } | |
| 570 | |
| 571 if (member) | |
| 572 // Call constructor | |
| 573 ez = callfunc(loc, irs, 1, type, ez, ectype, member, member.type, null, arguments); | |
| 574 | |
| 575 e = el_combine(ex, ey); | |
| 576 e = el_combine(e, ez); | |
| 577 } | |
| 578 else if (t.ty == Tpointer && t.nextOf().toBasetype().ty == Tstruct) | |
| 579 { | |
| 580 Symbol* csym; | |
| 581 | |
| 582 t = newtype.toBasetype(); | |
| 583 assert(t.ty == Tstruct); | |
| 584 TypeStruct tclass = cast(TypeStruct)t; | |
| 585 StructDeclaration cd = tclass.sym; | |
| 586 | |
| 587 /* Things to do: | |
| 588 * 1) ex: call allocator | |
| 589 * 2) ey: set vthis for nested classes | |
| 590 * 3) ez: call constructor | |
| 591 */ | |
| 592 | |
| 593 elem* ex = null; | |
| 594 elem* ey = null; | |
| 595 elem* ez = null; | |
| 596 | |
| 597 if (allocator) | |
| 174 | 598 { |
| 0 | 599 elem *ei; |
| 600 Symbol *si; | |
| 601 | |
| 602 ex = el_var(allocator.toSymbol()); | |
| 603 ex = callfunc(loc, irs, 1, type, ex, allocator.type, | |
| 604 allocator, allocator.type, null, newargs); | |
| 605 | |
| 606 si = tclass.sym.toInitializer(); | |
| 607 ei = el_var(si); | |
| 608 | |
| 609 if (cd.isNested()) | |
| 610 { | |
| 611 ey = el_same(&ex); | |
| 612 ez = el_copytree(ey); | |
| 613 } | |
| 614 else if (member) | |
| 615 ez = el_same(&ex); | |
| 616 | |
| 617 if (!member) | |
| 174 | 618 { |
| 0 | 619 /* Statically intialize with default initializer |
| 620 */ | |
| 621 ex = el_una(OPind, TYstruct, ex); | |
| 622 ex = el_bin(OPstreq, TYnptr, ex, ei); | |
| 623 ex.Enumbytes = cd.size(loc); | |
| 624 ex = el_una(OPaddr, TYnptr, ex); | |
| 625 } | |
| 626 ectype = tclass; | |
| 627 } | |
| 628 else | |
| 629 { | |
| 630 ulong elemsize = cd.size(loc); | |
| 631 | |
| 632 // call _d_newarrayT(ti, 1) | |
| 633 e = el_long(TYsize_t, 1); | |
| 634 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 635 | |
| 636 int rtl = t.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 637 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 638 | |
| 639 // The new functions return an array, so convert to a pointer | |
| 640 // ex . (unsigned)(e >> 32) | |
| 641 e = el_bin(OPshr, TYdarray, e, el_long(TYint, 32)); | |
| 642 ex = el_una(OP64_32, TYnptr, e); | |
| 643 | |
| 644 ectype = null; | |
| 645 | |
| 646 if (cd.isNested()) | |
| 647 { | |
| 648 ey = el_same(&ex); | |
| 649 ez = el_copytree(ey); | |
| 650 } | |
| 651 else if (member) | |
| 652 ez = el_same(&ex); | |
| 653 //elem_print(ex); | |
| 654 //elem_print(ey); | |
| 655 //elem_print(ez); | |
| 656 } | |
| 657 | |
| 658 if (cd.isNested()) | |
| 174 | 659 { |
| 0 | 660 /* Initialize cd.vthis: |
| 661 * *(ey + cd.vthis.offset) = this; | |
| 662 */ | |
| 663 ey = setEthis(loc, irs, ey, cd); | |
| 664 } | |
| 665 | |
| 666 if (member) | |
| 174 | 667 { |
| 0 | 668 // Call constructor |
| 669 ez = callfunc(loc, irs, 1, type, ez, ectype, member, member.type, null, arguments); | |
| 670 version (STRUCTTHISREF) { | |
| 671 /* Structs return a ref, which gets automatically dereferenced. | |
| 672 * But we want a pointer to the instance. | |
| 673 */ | |
| 674 ez = el_una(OPaddr, TYnptr, ez); | |
| 675 } | |
| 676 } | |
| 677 | |
| 678 e = el_combine(ex, ey); | |
| 679 e = el_combine(e, ez); | |
| 680 } | |
| 681 else if (t.ty == Tarray) | |
| 682 { | |
| 683 TypeDArray tda = cast(TypeDArray)t; | |
| 684 | |
| 685 assert(arguments && arguments.dim >= 1); | |
| 686 if (arguments.dim == 1) | |
| 174 | 687 { |
| 0 | 688 // Single dimension array allocations |
|
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parents:
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|
689 auto arg = arguments[0]; // gives array length |
| 0 | 690 e = arg.toElem(irs); |
| 691 ulong elemsize = tda.next.size(); | |
| 692 | |
| 693 // call _d_newT(ti, arg) | |
| 694 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 695 int rtl = tda.next.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 696 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 697 } | |
| 698 else | |
| 174 | 699 { |
| 0 | 700 // Multidimensional array allocations |
| 701 e = el_long(TYint, arguments.dim); | |
|
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changeset
|
702 foreach (Expression arg; arguments) |
| 0 | 703 { |
| 704 e = el_param(arg.toElem(irs), e); | |
| 705 assert(t.ty == Tarray); | |
| 706 t = t.nextOf(); | |
| 707 assert(t); | |
| 708 } | |
| 709 | |
| 710 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 711 | |
| 712 int rtl = t.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYMT : RTLSYM_NEWARRAYMIT; | |
| 713 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 714 } | |
| 715 } | |
| 716 else if (t.ty == Tpointer) | |
| 717 { | |
| 718 TypePointer tp = cast(TypePointer)t; | |
| 719 ulong elemsize = tp.next.size(); | |
| 720 Expression di = tp.next.defaultInit(Loc(0)); | |
| 721 ulong disize = di.type.size(); | |
| 722 | |
| 723 // call _d_newarrayT(ti, 1) | |
| 724 e = el_long(TYsize_t, 1); | |
| 725 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 726 | |
| 727 int rtl = tp.next.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 728 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 729 | |
| 730 // The new functions return an array, so convert to a pointer | |
| 731 // e . (unsigned)(e >> 32) | |
| 732 e = el_bin(OPshr, TYdarray, e, el_long(TYint, 32)); | |
| 733 e = el_una(OP64_32, t.totym(), e); | |
| 734 } | |
| 735 else | |
| 736 { | |
| 737 assert(0); | |
| 738 } | |
| 739 | |
| 740 el_setLoc(e,loc); | |
| 741 return e; | |
| 742 } | |
| 743 | |
| 72 | 744 override bool checkSideEffect(int flag) |
| 0 | 745 { |
| 123 | 746 return true; |
| 0 | 747 } |
| 748 | |
| 72 | 749 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 750 { |
| 174 | 751 int i; |
| 752 | |
| 753 if (thisexp) | |
| 754 { | |
| 755 expToCBuffer(buf, hgs, thisexp, PREC.PREC_primary); | |
| 756 buf.writeByte('.'); | |
| 757 } | |
| 758 buf.writestring("new "); | |
| 759 if (newargs && newargs.dim) | |
| 760 { | |
| 761 buf.writeByte('('); | |
| 762 argsToCBuffer(buf, newargs, hgs); | |
| 763 buf.writeByte(')'); | |
| 764 } | |
| 765 newtype.toCBuffer(buf, null, hgs); | |
| 766 if (arguments && arguments.dim) | |
| 767 { | |
| 768 buf.writeByte('('); | |
| 769 argsToCBuffer(buf, arguments, hgs); | |
| 770 buf.writeByte(')'); | |
| 771 } | |
| 0 | 772 } |
| 773 | |
| 72 | 774 override void scanForNestedRef(Scope sc) |
| 0 | 775 { |
| 72 | 776 //printf("NewExp.scanForNestedRef(Scope *sc): %s\n", toChars()); |
| 777 | |
| 778 if (thisexp) | |
| 779 thisexp.scanForNestedRef(sc); | |
| 780 arrayExpressionScanForNestedRef(sc, newargs); | |
| 64 | 781 arrayExpressionScanForNestedRef(sc, arguments); |
| 0 | 782 } |
| 783 | |
| 784 version (DMDV2) { | |
| 72 | 785 override bool canThrow() |
| 0 | 786 { |
| 787 return 1; | |
| 72 | 788 } |
| 0 | 789 } |
| 174 | 790 |
| 0 | 791 //int inlineCost(InlineCostState *ics); |
| 792 | |
| 72 | 793 override Expression doInline(InlineDoState ids) |
| 0 | 794 { |
| 795 //printf("NewExp.doInline(): %s\n", toChars()); | |
| 796 NewExp ne = cast(NewExp)copy(); | |
| 797 | |
| 798 if (thisexp) | |
| 799 ne.thisexp = thisexp.doInline(ids); | |
| 800 ne.newargs = arrayExpressiondoInline(ne.newargs, ids); | |
| 801 ne.arguments = arrayExpressiondoInline(ne.arguments, ids); | |
| 802 return ne; | |
| 72 | 803 } |
| 174 | 804 |
| 0 | 805 //Expression inlineScan(InlineScanState *iss); |
| 806 } | |
| 807 |