Mercurial > projects > ddmd
annotate dmd/NewExp.d @ 130:60bb0fe4563e
dmdfe 2.037 first main iteration
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Thu, 09 Sep 2010 22:51:44 +0100 |
| parents | 9e39c7de8438 |
| children | af724d3510d7 |
| rev | line source |
|---|---|
| 72 | 1 module dmd.NewExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 72 | 4 import dmd.Expression; |
| 5 import dmd.NewDeclaration; | |
| 0 | 6 import dmd.CtorDeclaration; |
| 72 | 7 import dmd.ClassDeclaration; |
| 8 import dmd.Type; | |
| 9 import dmd.OutBuffer; | |
| 10 import dmd.Loc; | |
| 11 import dmd.Scope; | |
| 12 import dmd.IRState; | |
| 13 import dmd.InlineDoState; | |
| 14 import dmd.HdrGenState; | |
| 15 import dmd.ArrayTypes; | |
| 0 | 16 import dmd.TOK; |
| 17 import dmd.TY; | |
| 18 import dmd.TypeFunction; | |
| 19 import dmd.TypeClass; | |
| 20 import dmd.TypeStruct; | |
| 21 import dmd.StructDeclaration; | |
| 22 import dmd.FuncDeclaration; | |
| 23 import dmd.TypeDArray; | |
| 24 import dmd.Dsymbol; | |
| 25 import dmd.ThisExp; | |
| 26 import dmd.DotIdExp; | |
| 27 import dmd.Id; | |
| 28 import dmd.WANT; | |
| 29 import dmd.Global; | |
| 30 import dmd.IntegerExp; | |
| 31 import dmd.TypePointer; | |
| 72 | 32 |
| 0 | 33 import dmd.backend.elem; |
| 34 import dmd.backend.TYM; | |
| 35 import dmd.backend.SC; | |
| 36 import dmd.backend.TYPE; | |
| 37 import dmd.backend.TYM; | |
| 38 import dmd.backend.Symbol; | |
| 39 import dmd.backend.Classsym; | |
| 40 import dmd.backend.Util; | |
| 41 import dmd.backend.OPER; | |
| 42 import dmd.backend.RTLSYM; | |
| 43 import dmd.expression.Util; | |
| 44 import dmd.codegen.Util; | |
| 45 | |
| 72 | 46 import std.string : toStringz; |
| 47 | |
| 0 | 48 class NewExp : Expression |
| 49 { | |
| 72 | 50 /* thisexp.new(newargs) newtype(arguments) |
| 51 */ | |
| 52 Expression thisexp; // if !null, 'this' for class being allocated | |
| 53 Expressions newargs; // Array of Expression's to call new operator | |
| 54 Type newtype; | |
| 55 Expressions arguments; // Array of Expression's | |
| 56 | |
| 57 CtorDeclaration member; // constructor function | |
| 58 NewDeclaration allocator; // allocator function | |
| 0 | 59 int onstack; // allocate on stack |
| 60 | |
| 61 this(Loc loc, Expression thisexp, Expressions newargs, Type newtype, Expressions arguments) | |
| 62 { | |
| 63 super(loc, TOK.TOKnew, NewExp.sizeof); | |
| 64 this.thisexp = thisexp; | |
| 65 this.newargs = newargs; | |
| 66 this.newtype = newtype; | |
| 67 this.arguments = arguments; | |
| 68 } | |
| 69 | |
| 72 | 70 override Expression syntaxCopy() |
| 0 | 71 { |
| 72 | 72 return new NewExp(loc, |
| 73 thisexp ? thisexp.syntaxCopy() : null, | |
| 74 arraySyntaxCopy(newargs), | |
| 53 | 75 newtype.syntaxCopy(), arraySyntaxCopy(arguments)); |
| 0 | 76 } |
| 77 | |
| 72 | 78 override Expression semantic(Scope sc) |
| 0 | 79 { |
| 80 int i; | |
| 81 Type tb; | |
| 82 ClassDeclaration cdthis = null; | |
| 83 | |
| 84 version (LOGSEMANTIC) { | |
| 85 printf("NewExp.semantic() %s\n", toChars()); | |
| 86 if (thisexp) | |
| 87 printf("\tthisexp = %s\n", thisexp.toChars()); | |
| 88 printf("\tnewtype: %s\n", newtype.toChars()); | |
| 89 } | |
| 90 if (type) // if semantic() already run | |
| 91 return this; | |
| 92 | |
| 93 Lagain: | |
| 94 if (thisexp) | |
| 95 { | |
| 96 thisexp = thisexp.semantic(sc); | |
| 97 cdthis = thisexp.type.isClassHandle(); | |
| 98 if (cdthis) | |
| 99 { | |
| 100 sc = sc.push(cdthis); | |
| 101 type = newtype.semantic(loc, sc); | |
| 102 sc = sc.pop(); | |
| 103 } | |
| 104 else | |
| 105 { | |
| 106 error("'this' for nested class must be a class type, not %s", thisexp.type.toChars()); | |
| 107 type = newtype.semantic(loc, sc); | |
| 108 } | |
| 109 } | |
| 110 else | |
| 111 type = newtype.semantic(loc, sc); | |
| 112 newtype = type; // in case type gets cast to something else | |
| 113 tb = type.toBasetype(); | |
| 114 //printf("tb: %s, deco = %s\n", tb.toChars(), tb.deco); | |
| 115 | |
| 116 arrayExpressionSemantic(newargs, sc); | |
|
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dmdfe 2.037 first main iteration
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parents:
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diff
changeset
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117 preFunctionParameters(loc, sc, newargs); |
| 0 | 118 arrayExpressionSemantic(arguments, sc); |
|
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dmdfe 2.037 first main iteration
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parents:
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changeset
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119 preFunctionParameters(loc, sc, arguments); |
| 0 | 120 |
| 121 if (thisexp && tb.ty != Tclass) | |
| 122 error("e.new is only for allocating nested classes, not %s", tb.toChars()); | |
| 123 | |
| 124 if (tb.ty == Tclass) | |
| 125 { | |
| 126 TypeFunction tf; | |
| 127 | |
| 128 TypeClass tc = cast(TypeClass)tb; | |
| 129 ClassDeclaration cd = tc.sym.isClassDeclaration(); | |
| 130 if (cd.isInterfaceDeclaration()) | |
| 131 error("cannot create instance of interface %s", cd.toChars()); | |
| 132 else if (cd.isAbstract()) | |
| 133 { | |
| 134 error("cannot create instance of abstract class %s", cd.toChars()); | |
| 135 for (int j = 0; j < cd.vtbl.dim; j++) | |
| 136 { | |
| 137 FuncDeclaration fd = (cast(Dsymbol)cd.vtbl.data[j]).isFuncDeclaration(); | |
| 138 if (fd && fd.isAbstract()) | |
| 139 error("function %s is abstract", fd.toChars()); | |
| 140 } | |
| 141 } | |
| 142 checkDeprecated(sc, cd); | |
| 143 if (cd.isNested()) | |
| 144 { /* We need a 'this' pointer for the nested class. | |
| 145 * Ensure we have the right one. | |
| 146 */ | |
| 147 Dsymbol s = cd.toParent2(); | |
| 148 ClassDeclaration cdn = s.isClassDeclaration(); | |
| 149 FuncDeclaration fdn = s.isFuncDeclaration(); | |
| 150 | |
| 151 //printf("cd isNested, cdn = %s\n", cdn ? cdn.toChars() : "null"); | |
| 152 if (cdn) | |
| 153 { | |
| 154 if (!cdthis) | |
| 155 { | |
| 156 // Supply an implicit 'this' and try again | |
| 157 thisexp = new ThisExp(loc); | |
| 158 for (Dsymbol sp = sc.parent; 1; sp = sp.parent) | |
| 159 { | |
| 160 if (!sp) | |
| 161 { | |
| 162 error("outer class %s 'this' needed to 'new' nested class %s", cdn.toChars(), cd.toChars()); | |
| 163 break; | |
| 164 } | |
| 165 ClassDeclaration cdp = sp.isClassDeclaration(); | |
| 166 if (!cdp) | |
| 167 continue; | |
| 168 if (cdp == cdn || cdn.isBaseOf(cdp, null)) | |
| 169 break; | |
| 170 // Add a '.outer' and try again | |
| 171 thisexp = new DotIdExp(loc, thisexp, Id.outer); | |
| 172 } | |
| 173 if (!global.errors) | |
| 174 goto Lagain; | |
| 175 } | |
| 176 if (cdthis) | |
| 177 { | |
| 178 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 179 if (cdthis != cdn && !cdn.isBaseOf(cdthis, null)) | |
| 180 error("'this' for nested class must be of type %s, not %s", cdn.toChars(), thisexp.type.toChars()); | |
| 181 } | |
| 182 else | |
| 183 { | |
| 184 static if (false) { | |
| 185 for (Dsymbol *sf = sc.func; 1; sf= sf.toParent2().isFuncDeclaration()) | |
| 186 { | |
| 187 if (!sf) | |
| 188 { | |
| 189 error("outer class %s 'this' needed to 'new' nested class %s", cdn.toChars(), cd.toChars()); | |
| 190 break; | |
| 191 } | |
| 192 printf("sf = %s\n", sf.toChars()); | |
| 193 AggregateDeclaration *ad = sf.isThis(); | |
| 194 if (ad && (ad == cdn || cdn.isBaseOf(ad.isClassDeclaration(), null))) | |
| 195 break; | |
| 196 } | |
| 197 } | |
| 198 } | |
| 199 } | |
| 200 ///static if (true) { | |
| 201 else if (thisexp) | |
| 202 error("e.new is only for allocating nested classes"); | |
| 203 else if (fdn) | |
| 204 { | |
| 205 // make sure the parent context fdn of cd is reachable from sc | |
| 206 for (Dsymbol sp = sc.parent; 1; sp = sp.parent) | |
| 207 { | |
| 208 if (fdn is sp) | |
| 209 break; | |
| 210 FuncDeclaration fsp = sp ? sp.isFuncDeclaration() : null; | |
| 211 if (!sp || (fsp && fsp.isStatic())) | |
| 212 { | |
| 213 error("outer function context of %s is needed to 'new' nested class %s", fdn.toPrettyChars(), cd.toPrettyChars()); | |
| 214 break; | |
| 215 } | |
| 216 } | |
| 217 } | |
| 218 ///} else { | |
| 219 /// else if (fdn) | |
| 220 /// { | |
| 221 /// /* The nested class cd is nested inside a function, | |
| 222 /// * we'll let getEthis() look for errors. | |
| 223 /// */ | |
| 224 /// //printf("nested class %s is nested inside function %s, we're in %s\n", cd.toChars(), fdn.toChars(), sc.func.toChars()); | |
| 225 /// if (thisexp) | |
| 226 /// // Because thisexp cannot be a function frame pointer | |
| 227 /// error("e.new is only for allocating nested classes"); | |
| 228 /// } | |
| 229 ///} | |
| 230 else | |
| 231 assert(0); | |
| 232 } | |
| 233 else if (thisexp) | |
| 234 error("e.new is only for allocating nested classes"); | |
| 235 | |
| 236 FuncDeclaration f = null; | |
| 237 if (cd.ctor) | |
| 238 f = resolveFuncCall(sc, loc, cd.ctor, null, null, arguments, 0); | |
| 239 if (f) | |
| 240 { | |
| 241 checkDeprecated(sc, f); | |
| 242 member = f.isCtorDeclaration(); | |
| 243 assert(member); | |
| 244 | |
| 245 cd.accessCheck(loc, sc, member); | |
| 246 | |
| 247 tf = cast(TypeFunction)f.type; | |
| 248 | |
| 249 if (!arguments) | |
| 250 arguments = new Expressions(); | |
|
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60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
251 functionParameters(loc, sc, tf, arguments); |
| 0 | 252 } |
| 253 else | |
| 254 { | |
| 255 if (arguments && arguments.dim) | |
| 256 error("no constructor for %s", cd.toChars()); | |
| 257 } | |
| 258 | |
| 259 if (cd.aggNew) | |
| 260 { | |
| 261 // Prepend the size argument to newargs[] | |
| 262 Expression e = new IntegerExp(loc, cd.size(loc), Type.tsize_t); | |
| 263 if (!newargs) | |
| 264 newargs = new Expressions(); | |
|
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Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
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265 newargs.shift(e); |
| 0 | 266 |
| 267 f = cd.aggNew.overloadResolve(loc, null, newargs); | |
| 268 allocator = f.isNewDeclaration(); | |
| 269 assert(allocator); | |
| 270 | |
| 271 tf = cast(TypeFunction)f.type; | |
|
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60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
272 functionParameters(loc, sc, tf, newargs); |
| 0 | 273 } |
| 274 else | |
| 275 { | |
| 276 if (newargs && newargs.dim) | |
| 277 error("no allocator for %s", cd.toChars()); | |
| 278 } | |
| 279 } | |
| 280 else if (tb.ty == Tstruct) | |
| 281 { | |
| 282 TypeStruct ts = cast(TypeStruct)tb; | |
| 283 StructDeclaration sd = ts.sym; | |
| 284 TypeFunction tf; | |
| 285 | |
| 286 FuncDeclaration f = null; | |
| 287 if (sd.ctor) | |
| 288 f = resolveFuncCall(sc, loc, sd.ctor, null, null, arguments, 0); | |
| 289 if (f) | |
| 290 { | |
| 291 checkDeprecated(sc, f); | |
| 292 member = f.isCtorDeclaration(); | |
| 293 assert(member); | |
| 294 | |
| 295 sd.accessCheck(loc, sc, member); | |
| 296 | |
| 297 tf = cast(TypeFunction)f.type; | |
| 298 // type = tf.next; | |
| 299 | |
| 300 if (!arguments) | |
| 301 arguments = new Expressions(); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
302 functionParameters(loc, sc, tf, arguments); |
| 0 | 303 } |
| 304 else | |
| 305 { | |
| 306 if (arguments && arguments.dim) | |
| 307 error("no constructor for %s", sd.toChars()); | |
| 308 } | |
| 309 | |
| 310 if (sd.aggNew) | |
| 311 { | |
| 312 // Prepend the uint size argument to newargs[] | |
| 313 Expression e = new IntegerExp(loc, sd.size(loc), Type.tuns32); | |
| 314 if (!newargs) | |
| 315 newargs = new Expressions(); | |
|
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Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
316 newargs.shift(e); |
| 0 | 317 |
| 318 f = sd.aggNew.overloadResolve(loc, null, newargs); | |
| 319 allocator = f.isNewDeclaration(); | |
| 320 assert(allocator); | |
| 321 | |
| 322 tf = cast(TypeFunction)f.type; | |
|
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60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
323 functionParameters(loc, sc, tf, newargs); |
| 0 | 324 static if (false) { |
| 325 e = new VarExp(loc, f); | |
| 326 e = new CallExp(loc, e, newargs); | |
| 327 e = e.semantic(sc); | |
| 328 e.type = type.pointerTo(); | |
| 329 return e; | |
| 330 } | |
| 331 } | |
| 332 else | |
| 333 { | |
| 334 if (newargs && newargs.dim) | |
| 335 error("no allocator for %s", sd.toChars()); | |
| 336 } | |
| 337 | |
| 338 type = type.pointerTo(); | |
| 339 } | |
| 340 else if (tb.ty == Tarray && (arguments && arguments.dim)) | |
| 341 { | |
| 342 for (size_t j = 0; j < arguments.dim; j++) | |
| 343 { | |
| 344 if (tb.ty != Tarray) | |
| 345 { | |
| 346 error("too many arguments for array"); | |
| 347 arguments.dim = i; | |
| 348 break; | |
| 349 } | |
| 350 | |
|
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more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
351 auto arg = arguments[j]; |
| 0 | 352 arg = resolveProperties(sc, arg); |
| 353 arg = arg.implicitCastTo(sc, Type.tsize_t); | |
| 354 arg = arg.optimize(WANTvalue); | |
| 355 if (arg.op == TOKint64 && cast(long)arg.toInteger() < 0) | |
| 356 error("negative array index %s", arg.toChars()); | |
|
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Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
357 arguments[j] = arg; |
| 0 | 358 tb = (cast(TypeDArray)tb).next.toBasetype(); |
| 359 } | |
| 360 } | |
| 361 else if (tb.isscalar()) | |
| 362 { | |
| 363 if (arguments && arguments.dim) | |
| 364 error("no constructor for %s", type.toChars()); | |
| 365 | |
| 366 type = type.pointerTo(); | |
| 367 } | |
| 368 else | |
| 369 { | |
| 370 error("new can only create structs, dynamic arrays or class objects, not %s's", type.toChars()); | |
| 371 type = type.pointerTo(); | |
| 372 } | |
| 373 | |
| 374 //printf("NewExp: '%s'\n", toChars()); | |
| 375 //printf("NewExp:type '%s'\n", type.toChars()); | |
| 376 | |
| 377 return this; | |
| 378 } | |
| 379 | |
| 72 | 380 override Expression optimize(int result) |
| 0 | 381 { |
| 382 if (thisexp) | |
| 383 thisexp = thisexp.optimize(WANTvalue); | |
| 384 | |
| 385 // Optimize parameters | |
| 386 if (newargs) | |
| 387 { | |
|
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more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
388 foreach (ref Expression e; newargs) |
| 0 | 389 { |
| 390 e = e.optimize(WANTvalue); | |
| 391 } | |
| 392 } | |
| 393 | |
| 394 if (arguments) | |
| 395 { | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
396 foreach (ref Expression e; arguments) |
| 0 | 397 { |
| 398 e = e.optimize(WANTvalue); | |
| 399 } | |
| 400 } | |
| 401 return this; | |
| 402 } | |
| 403 | |
| 72 | 404 override elem* toElem(IRState* irs) |
| 0 | 405 { |
| 406 elem* e; | |
| 407 Type t; | |
| 408 Type ectype; | |
| 409 | |
| 410 //printf("NewExp.toElem() %s\n", toChars()); | |
| 411 t = type.toBasetype(); | |
| 412 //printf("\ttype = %s\n", t.toChars()); | |
| 413 //if (member) | |
| 414 //printf("\tmember = %s\n", member.toChars()); | |
| 415 if (t.ty == Tclass) | |
| 416 { | |
| 417 Symbol* csym; | |
| 418 | |
| 419 t = newtype.toBasetype(); | |
| 420 assert(t.ty == Tclass); | |
| 421 TypeClass tclass = cast(TypeClass)t; | |
| 422 ClassDeclaration cd = tclass.sym; | |
| 423 | |
| 424 /* Things to do: | |
| 425 * 1) ex: call allocator | |
| 426 * 2) ey: set vthis for nested classes | |
| 427 * 3) ez: call constructor | |
| 428 */ | |
| 429 | |
| 430 elem *ex = null; | |
| 431 elem *ey = null; | |
| 432 elem *ez = null; | |
| 433 | |
| 434 if (allocator || onstack) | |
| 435 { | |
| 436 elem *ei; | |
| 437 Symbol *si; | |
| 438 | |
| 439 if (onstack) | |
| 440 { | |
| 441 /* Create an instance of the class on the stack, | |
| 442 * and call it stmp. | |
| 443 * Set ex to be the &stmp. | |
| 444 */ | |
| 445 Symbol* s = symbol_calloc(toStringz(tclass.sym.toChars())); | |
| 446 s.Sclass = SCstruct; | |
| 447 s.Sstruct = struct_calloc(); | |
| 448 s.Sstruct.Sflags |= 0; | |
| 449 s.Sstruct.Salignsize = tclass.sym.alignsize; | |
| 450 s.Sstruct.Sstructalign = cast(ubyte)tclass.sym.structalign; | |
| 451 s.Sstruct.Sstructsize = tclass.sym.structsize; | |
| 452 | |
| 453 .type* tc = type_alloc(TYstruct); | |
| 454 tc.Ttag = cast(Classsym*)s; // structure tag name | |
| 455 tc.Tcount++; | |
| 456 s.Stype = tc; | |
| 457 | |
| 458 Symbol *stmp = symbol_genauto(tc); | |
| 459 ex = el_ptr(stmp); | |
| 460 } | |
| 461 else | |
| 462 { | |
| 463 ex = el_var(allocator.toSymbol()); | |
| 464 ex = callfunc(loc, irs, 1, type, ex, allocator.type, | |
| 465 allocator, allocator.type, null, newargs); | |
| 466 } | |
| 467 | |
| 468 si = tclass.sym.toInitializer(); | |
| 469 ei = el_var(si); | |
| 470 | |
| 471 if (cd.isNested()) | |
| 472 { | |
| 473 ey = el_same(&ex); | |
| 474 ez = el_copytree(ey); | |
| 475 } | |
| 476 else if (member) | |
| 477 ez = el_same(&ex); | |
| 478 | |
| 479 ex = el_una(OPind, TYstruct, ex); | |
| 480 ex = el_bin(OPstreq, TYnptr, ex, ei); | |
| 481 ex.Enumbytes = cd.size(loc); | |
| 482 ex = el_una(OPaddr, TYnptr, ex); | |
| 483 ectype = tclass; | |
| 484 } | |
| 485 else | |
| 486 { | |
| 487 csym = cd.toSymbol(); | |
| 488 ex = el_bin(OPcall,TYnptr,el_var(rtlsym[RTLSYM_NEWCLASS]),el_ptr(csym)); | |
| 489 ectype = null; | |
| 490 | |
| 491 if (cd.isNested()) | |
| 492 { | |
| 493 ey = el_same(&ex); | |
| 494 ez = el_copytree(ey); | |
| 495 } | |
| 496 else if (member) | |
| 497 ez = el_same(&ex); | |
| 498 //elem_print(ex); | |
| 499 //elem_print(ey); | |
| 500 //elem_print(ez); | |
| 501 } | |
| 502 | |
| 503 if (thisexp) | |
| 504 { | |
| 505 ClassDeclaration cdthis = thisexp.type.isClassHandle(); | |
| 506 assert(cdthis); | |
| 507 //printf("cd = %s\n", cd.toChars()); | |
| 508 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 509 assert(cd.isNested()); | |
| 510 int offset = 0; | |
| 511 Dsymbol cdp = cd.toParent2(); // class we're nested in | |
| 512 elem* ethis; | |
| 513 | |
| 514 //printf("member = %p\n", member); | |
| 515 //printf("cdp = %s\n", cdp.toChars()); | |
| 516 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 517 if (cdp != cdthis) | |
| 518 { | |
| 519 int i = cdp.isClassDeclaration().isBaseOf(cdthis, &offset); | |
| 520 assert(i); | |
| 521 } | |
| 522 ethis = thisexp.toElem(irs); | |
| 523 if (offset) | |
| 524 ethis = el_bin(OPadd, TYnptr, ethis, el_long(TYint, offset)); | |
| 525 | |
| 526 if (!cd.vthis) | |
| 527 { | |
| 528 error("forward reference to %s", cd.toChars()); | |
| 529 } | |
| 530 else | |
| 531 { | |
| 532 ey = el_bin(OPadd, TYnptr, ey, el_long(TYint, cd.vthis.offset)); | |
| 533 ey = el_una(OPind, TYnptr, ey); | |
| 534 ey = el_bin(OPeq, TYnptr, ey, ethis); | |
| 535 } | |
| 536 //printf("ex: "); elem_print(ex); | |
| 537 //printf("ey: "); elem_print(ey); | |
| 538 //printf("ez: "); elem_print(ez); | |
| 539 } | |
| 540 else if (cd.isNested()) | |
| 541 { | |
| 542 /* Initialize cd.vthis: | |
| 543 * *(ey + cd.vthis.offset) = this; | |
| 544 */ | |
| 545 ey = setEthis(loc, irs, ey, cd); | |
| 546 } | |
| 547 | |
| 548 if (member) | |
| 549 // Call constructor | |
| 550 ez = callfunc(loc, irs, 1, type, ez, ectype, member, member.type, null, arguments); | |
| 551 | |
| 552 e = el_combine(ex, ey); | |
| 553 e = el_combine(e, ez); | |
| 554 } | |
| 555 else if (t.ty == Tpointer && t.nextOf().toBasetype().ty == Tstruct) | |
| 556 { | |
| 557 Symbol* csym; | |
| 558 | |
| 559 t = newtype.toBasetype(); | |
| 560 assert(t.ty == Tstruct); | |
| 561 TypeStruct tclass = cast(TypeStruct)t; | |
| 562 StructDeclaration cd = tclass.sym; | |
| 563 | |
| 564 /* Things to do: | |
| 565 * 1) ex: call allocator | |
| 566 * 2) ey: set vthis for nested classes | |
| 567 * 3) ez: call constructor | |
| 568 */ | |
| 569 | |
| 570 elem* ex = null; | |
| 571 elem* ey = null; | |
| 572 elem* ez = null; | |
| 573 | |
| 574 if (allocator) | |
| 575 { | |
| 576 elem *ei; | |
| 577 Symbol *si; | |
| 578 | |
| 579 ex = el_var(allocator.toSymbol()); | |
| 580 ex = callfunc(loc, irs, 1, type, ex, allocator.type, | |
| 581 allocator, allocator.type, null, newargs); | |
| 582 | |
| 583 si = tclass.sym.toInitializer(); | |
| 584 ei = el_var(si); | |
| 585 | |
| 586 if (cd.isNested()) | |
| 587 { | |
| 588 ey = el_same(&ex); | |
| 589 ez = el_copytree(ey); | |
| 590 } | |
| 591 else if (member) | |
| 592 ez = el_same(&ex); | |
| 593 | |
| 594 if (!member) | |
| 595 { | |
| 596 /* Statically intialize with default initializer | |
| 597 */ | |
| 598 ex = el_una(OPind, TYstruct, ex); | |
| 599 ex = el_bin(OPstreq, TYnptr, ex, ei); | |
| 600 ex.Enumbytes = cd.size(loc); | |
| 601 ex = el_una(OPaddr, TYnptr, ex); | |
| 602 } | |
| 603 ectype = tclass; | |
| 604 } | |
| 605 else | |
| 606 { | |
| 607 ulong elemsize = cd.size(loc); | |
| 608 | |
| 609 // call _d_newarrayT(ti, 1) | |
| 610 e = el_long(TYsize_t, 1); | |
| 611 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 612 | |
| 613 int rtl = t.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 614 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 615 | |
| 616 // The new functions return an array, so convert to a pointer | |
| 617 // ex . (unsigned)(e >> 32) | |
| 618 e = el_bin(OPshr, TYdarray, e, el_long(TYint, 32)); | |
| 619 ex = el_una(OP64_32, TYnptr, e); | |
| 620 | |
| 621 ectype = null; | |
| 622 | |
| 623 if (cd.isNested()) | |
| 624 { | |
| 625 ey = el_same(&ex); | |
| 626 ez = el_copytree(ey); | |
| 627 } | |
| 628 else if (member) | |
| 629 ez = el_same(&ex); | |
| 630 //elem_print(ex); | |
| 631 //elem_print(ey); | |
| 632 //elem_print(ez); | |
| 633 } | |
| 634 | |
| 635 if (cd.isNested()) | |
| 636 { | |
| 637 /* Initialize cd.vthis: | |
| 638 * *(ey + cd.vthis.offset) = this; | |
| 639 */ | |
| 640 ey = setEthis(loc, irs, ey, cd); | |
| 641 } | |
| 642 | |
| 643 if (member) | |
| 644 { | |
| 645 // Call constructor | |
| 646 ez = callfunc(loc, irs, 1, type, ez, ectype, member, member.type, null, arguments); | |
| 647 version (STRUCTTHISREF) { | |
| 648 /* Structs return a ref, which gets automatically dereferenced. | |
| 649 * But we want a pointer to the instance. | |
| 650 */ | |
| 651 ez = el_una(OPaddr, TYnptr, ez); | |
| 652 } | |
| 653 } | |
| 654 | |
| 655 e = el_combine(ex, ey); | |
| 656 e = el_combine(e, ez); | |
| 657 } | |
| 658 else if (t.ty == Tarray) | |
| 659 { | |
| 660 TypeDArray tda = cast(TypeDArray)t; | |
| 661 | |
| 662 assert(arguments && arguments.dim >= 1); | |
| 663 if (arguments.dim == 1) | |
| 664 { | |
| 665 // Single dimension array allocations | |
|
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|
666 auto arg = arguments[0]; // gives array length |
| 0 | 667 e = arg.toElem(irs); |
| 668 ulong elemsize = tda.next.size(); | |
| 669 | |
| 670 // call _d_newT(ti, arg) | |
| 671 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 672 int rtl = tda.next.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 673 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 674 } | |
| 675 else | |
| 676 { | |
| 677 // Multidimensional array allocations | |
| 678 e = el_long(TYint, arguments.dim); | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
|
679 foreach (Expression arg; arguments) |
| 0 | 680 { |
| 681 e = el_param(arg.toElem(irs), e); | |
| 682 assert(t.ty == Tarray); | |
| 683 t = t.nextOf(); | |
| 684 assert(t); | |
| 685 } | |
| 686 | |
| 687 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 688 | |
| 689 int rtl = t.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYMT : RTLSYM_NEWARRAYMIT; | |
| 690 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 691 } | |
| 692 } | |
| 693 else if (t.ty == Tpointer) | |
| 694 { | |
| 695 TypePointer tp = cast(TypePointer)t; | |
| 696 ulong elemsize = tp.next.size(); | |
| 697 Expression di = tp.next.defaultInit(Loc(0)); | |
| 698 ulong disize = di.type.size(); | |
| 699 | |
| 700 // call _d_newarrayT(ti, 1) | |
| 701 e = el_long(TYsize_t, 1); | |
| 702 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 703 | |
| 704 int rtl = tp.next.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 705 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 706 | |
| 707 // The new functions return an array, so convert to a pointer | |
| 708 // e . (unsigned)(e >> 32) | |
| 709 e = el_bin(OPshr, TYdarray, e, el_long(TYint, 32)); | |
| 710 e = el_una(OP64_32, t.totym(), e); | |
| 711 } | |
| 712 else | |
| 713 { | |
| 714 assert(0); | |
| 715 } | |
| 716 | |
| 717 el_setLoc(e,loc); | |
| 718 return e; | |
| 719 } | |
| 720 | |
| 72 | 721 override bool checkSideEffect(int flag) |
| 0 | 722 { |
| 123 | 723 return true; |
| 0 | 724 } |
| 725 | |
| 72 | 726 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 727 { |
| 728 assert(false); | |
| 729 } | |
| 730 | |
| 72 | 731 override void scanForNestedRef(Scope sc) |
| 0 | 732 { |
| 72 | 733 //printf("NewExp.scanForNestedRef(Scope *sc): %s\n", toChars()); |
| 734 | |
| 735 if (thisexp) | |
| 736 thisexp.scanForNestedRef(sc); | |
| 737 arrayExpressionScanForNestedRef(sc, newargs); | |
| 64 | 738 arrayExpressionScanForNestedRef(sc, arguments); |
| 0 | 739 } |
| 740 | |
| 741 version (DMDV2) { | |
| 72 | 742 override bool canThrow() |
| 0 | 743 { |
| 744 return 1; | |
| 72 | 745 } |
| 0 | 746 } |
| 72 | 747 |
| 0 | 748 //int inlineCost(InlineCostState *ics); |
| 749 | |
| 72 | 750 override Expression doInline(InlineDoState ids) |
| 0 | 751 { |
| 752 //printf("NewExp.doInline(): %s\n", toChars()); | |
| 753 NewExp ne = cast(NewExp)copy(); | |
| 754 | |
| 755 if (thisexp) | |
| 756 ne.thisexp = thisexp.doInline(ids); | |
| 757 ne.newargs = arrayExpressiondoInline(ne.newargs, ids); | |
| 758 ne.arguments = arrayExpressiondoInline(ne.arguments, ids); | |
| 759 return ne; | |
| 72 | 760 } |
| 761 | |
| 0 | 762 //Expression inlineScan(InlineScanState *iss); |
| 763 } | |
| 764 |