Mercurial > projects > ddmd
annotate dmd/NewExp.d @ 174:af724d3510d7
lot os toCBuffer methods implemented
moved shared Type.* stuff into Global
| author | korDen |
|---|---|
| date | Sun, 10 Oct 2010 03:47:23 +0400 |
| parents | 60bb0fe4563e |
| children | e3afd1303184 |
| 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; | |
| 174 | 10 import dmd.PREC; |
| 72 | 11 import dmd.Loc; |
| 12 import dmd.Scope; | |
| 13 import dmd.IRState; | |
| 14 import dmd.InlineDoState; | |
| 15 import dmd.HdrGenState; | |
| 16 import dmd.ArrayTypes; | |
| 0 | 17 import dmd.TOK; |
| 18 import dmd.TY; | |
| 19 import dmd.TypeFunction; | |
| 20 import dmd.TypeClass; | |
| 21 import dmd.TypeStruct; | |
| 22 import dmd.StructDeclaration; | |
| 23 import dmd.FuncDeclaration; | |
| 24 import dmd.TypeDArray; | |
| 25 import dmd.Dsymbol; | |
| 26 import dmd.ThisExp; | |
| 27 import dmd.DotIdExp; | |
| 28 import dmd.Id; | |
| 29 import dmd.WANT; | |
| 30 import dmd.Global; | |
| 31 import dmd.IntegerExp; | |
| 32 import dmd.TypePointer; | |
| 72 | 33 |
| 0 | 34 import dmd.backend.elem; |
| 35 import dmd.backend.TYM; | |
| 36 import dmd.backend.SC; | |
| 37 import dmd.backend.TYPE; | |
| 38 import dmd.backend.TYM; | |
| 39 import dmd.backend.Symbol; | |
| 40 import dmd.backend.Classsym; | |
| 41 import dmd.backend.Util; | |
| 42 import dmd.backend.OPER; | |
| 43 import dmd.backend.RTLSYM; | |
| 44 import dmd.expression.Util; | |
| 45 import dmd.codegen.Util; | |
| 46 | |
| 72 | 47 import std.string : toStringz; |
| 48 | |
| 0 | 49 class NewExp : Expression |
| 50 { | |
| 72 | 51 /* thisexp.new(newargs) newtype(arguments) |
| 52 */ | |
| 53 Expression thisexp; // if !null, 'this' for class being allocated | |
| 54 Expressions newargs; // Array of Expression's to call new operator | |
| 55 Type newtype; | |
| 56 Expressions arguments; // Array of Expression's | |
| 57 | |
| 58 CtorDeclaration member; // constructor function | |
| 59 NewDeclaration allocator; // allocator function | |
| 0 | 60 int onstack; // allocate on stack |
| 61 | |
| 62 this(Loc loc, Expression thisexp, Expressions newargs, Type newtype, Expressions arguments) | |
| 63 { | |
| 64 super(loc, TOK.TOKnew, NewExp.sizeof); | |
| 65 this.thisexp = thisexp; | |
| 66 this.newargs = newargs; | |
| 67 this.newtype = newtype; | |
| 68 this.arguments = arguments; | |
| 69 } | |
| 70 | |
| 72 | 71 override Expression syntaxCopy() |
| 0 | 72 { |
| 72 | 73 return new NewExp(loc, |
| 74 thisexp ? thisexp.syntaxCopy() : null, | |
| 75 arraySyntaxCopy(newargs), | |
| 53 | 76 newtype.syntaxCopy(), arraySyntaxCopy(arguments)); |
| 0 | 77 } |
| 78 | |
| 72 | 79 override Expression semantic(Scope sc) |
| 0 | 80 { |
| 81 int i; | |
| 82 Type tb; | |
| 83 ClassDeclaration cdthis = null; | |
| 84 | |
| 85 version (LOGSEMANTIC) { | |
| 86 printf("NewExp.semantic() %s\n", toChars()); | |
| 87 if (thisexp) | |
| 88 printf("\tthisexp = %s\n", thisexp.toChars()); | |
| 89 printf("\tnewtype: %s\n", newtype.toChars()); | |
| 90 } | |
| 91 if (type) // if semantic() already run | |
| 92 return this; | |
| 93 | |
| 94 Lagain: | |
| 95 if (thisexp) | |
| 174 | 96 { |
| 0 | 97 thisexp = thisexp.semantic(sc); |
| 98 cdthis = thisexp.type.isClassHandle(); | |
| 99 if (cdthis) | |
| 100 { | |
| 101 sc = sc.push(cdthis); | |
| 102 type = newtype.semantic(loc, sc); | |
| 103 sc = sc.pop(); | |
| 104 } | |
| 105 else | |
| 106 { | |
| 107 error("'this' for nested class must be a class type, not %s", thisexp.type.toChars()); | |
| 108 type = newtype.semantic(loc, sc); | |
| 109 } | |
| 110 } | |
| 111 else | |
| 112 type = newtype.semantic(loc, sc); | |
| 113 newtype = type; // in case type gets cast to something else | |
| 114 tb = type.toBasetype(); | |
| 115 //printf("tb: %s, deco = %s\n", tb.toChars(), tb.deco); | |
| 116 | |
| 117 arrayExpressionSemantic(newargs, sc); | |
|
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118 preFunctionParameters(loc, sc, newargs); |
| 0 | 119 arrayExpressionSemantic(arguments, sc); |
|
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120 preFunctionParameters(loc, sc, arguments); |
| 0 | 121 |
| 122 if (thisexp && tb.ty != Tclass) | |
| 123 error("e.new is only for allocating nested classes, not %s", tb.toChars()); | |
| 124 | |
| 125 if (tb.ty == Tclass) | |
| 174 | 126 { |
| 0 | 127 TypeFunction tf; |
| 128 | |
| 129 TypeClass tc = cast(TypeClass)tb; | |
| 130 ClassDeclaration cd = tc.sym.isClassDeclaration(); | |
| 131 if (cd.isInterfaceDeclaration()) | |
| 132 error("cannot create instance of interface %s", cd.toChars()); | |
| 133 else if (cd.isAbstract()) | |
| 174 | 134 { |
| 0 | 135 error("cannot create instance of abstract class %s", cd.toChars()); |
| 136 for (int j = 0; j < cd.vtbl.dim; j++) | |
| 174 | 137 { |
| 0 | 138 FuncDeclaration fd = (cast(Dsymbol)cd.vtbl.data[j]).isFuncDeclaration(); |
| 139 if (fd && fd.isAbstract()) | |
| 140 error("function %s is abstract", fd.toChars()); | |
| 141 } | |
| 142 } | |
| 143 checkDeprecated(sc, cd); | |
| 144 if (cd.isNested()) | |
| 145 { /* We need a 'this' pointer for the nested class. | |
| 146 * Ensure we have the right one. | |
| 147 */ | |
| 148 Dsymbol s = cd.toParent2(); | |
| 149 ClassDeclaration cdn = s.isClassDeclaration(); | |
| 150 FuncDeclaration fdn = s.isFuncDeclaration(); | |
| 151 | |
| 152 //printf("cd isNested, cdn = %s\n", cdn ? cdn.toChars() : "null"); | |
| 153 if (cdn) | |
| 154 { | |
| 155 if (!cdthis) | |
| 156 { | |
| 157 // Supply an implicit 'this' and try again | |
| 158 thisexp = new ThisExp(loc); | |
| 159 for (Dsymbol sp = sc.parent; 1; sp = sp.parent) | |
| 174 | 160 { |
| 0 | 161 if (!sp) |
| 162 { | |
| 163 error("outer class %s 'this' needed to 'new' nested class %s", cdn.toChars(), cd.toChars()); | |
| 164 break; | |
| 165 } | |
| 166 ClassDeclaration cdp = sp.isClassDeclaration(); | |
| 167 if (!cdp) | |
| 168 continue; | |
| 169 if (cdp == cdn || cdn.isBaseOf(cdp, null)) | |
| 170 break; | |
| 171 // Add a '.outer' and try again | |
| 172 thisexp = new DotIdExp(loc, thisexp, Id.outer); | |
| 173 } | |
| 174 if (!global.errors) | |
| 175 goto Lagain; | |
| 176 } | |
| 177 if (cdthis) | |
| 178 { | |
| 179 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 180 if (cdthis != cdn && !cdn.isBaseOf(cdthis, null)) | |
| 181 error("'this' for nested class must be of type %s, not %s", cdn.toChars(), thisexp.type.toChars()); | |
| 182 } | |
| 183 else | |
| 184 { | |
| 185 static if (false) { | |
| 186 for (Dsymbol *sf = sc.func; 1; sf= sf.toParent2().isFuncDeclaration()) | |
| 187 { | |
| 188 if (!sf) | |
| 189 { | |
| 190 error("outer class %s 'this' needed to 'new' nested class %s", cdn.toChars(), cd.toChars()); | |
| 191 break; | |
| 192 } | |
| 193 printf("sf = %s\n", sf.toChars()); | |
| 194 AggregateDeclaration *ad = sf.isThis(); | |
| 195 if (ad && (ad == cdn || cdn.isBaseOf(ad.isClassDeclaration(), null))) | |
| 196 break; | |
| 197 } | |
| 198 } | |
| 199 } | |
| 200 } | |
| 201 ///static if (true) { | |
| 202 else if (thisexp) | |
| 203 error("e.new is only for allocating nested classes"); | |
| 204 else if (fdn) | |
| 205 { | |
| 206 // make sure the parent context fdn of cd is reachable from sc | |
| 207 for (Dsymbol sp = sc.parent; 1; sp = sp.parent) | |
| 208 { | |
| 209 if (fdn is sp) | |
| 210 break; | |
| 211 FuncDeclaration fsp = sp ? sp.isFuncDeclaration() : null; | |
| 212 if (!sp || (fsp && fsp.isStatic())) | |
| 213 { | |
| 214 error("outer function context of %s is needed to 'new' nested class %s", fdn.toPrettyChars(), cd.toPrettyChars()); | |
| 215 break; | |
| 216 } | |
| 217 } | |
| 218 } | |
| 219 ///} else { | |
| 220 /// else if (fdn) | |
| 174 | 221 /// { |
| 0 | 222 /// /* The nested class cd is nested inside a function, |
| 223 /// * we'll let getEthis() look for errors. | |
| 224 /// */ | |
| 225 /// //printf("nested class %s is nested inside function %s, we're in %s\n", cd.toChars(), fdn.toChars(), sc.func.toChars()); | |
| 226 /// if (thisexp) | |
| 227 /// // Because thisexp cannot be a function frame pointer | |
| 228 /// error("e.new is only for allocating nested classes"); | |
| 229 /// } | |
| 230 ///} | |
| 231 else | |
| 232 assert(0); | |
| 233 } | |
| 234 else if (thisexp) | |
| 235 error("e.new is only for allocating nested classes"); | |
| 236 | |
| 237 FuncDeclaration f = null; | |
| 238 if (cd.ctor) | |
| 239 f = resolveFuncCall(sc, loc, cd.ctor, null, null, arguments, 0); | |
| 240 if (f) | |
| 241 { | |
| 242 checkDeprecated(sc, f); | |
| 243 member = f.isCtorDeclaration(); | |
| 244 assert(member); | |
| 245 | |
| 246 cd.accessCheck(loc, sc, member); | |
| 247 | |
| 248 tf = cast(TypeFunction)f.type; | |
| 249 | |
| 250 if (!arguments) | |
| 251 arguments = new Expressions(); | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
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252 functionParameters(loc, sc, tf, arguments); |
| 0 | 253 } |
| 254 else | |
| 255 { | |
| 256 if (arguments && arguments.dim) | |
| 257 error("no constructor for %s", cd.toChars()); | |
| 258 } | |
| 259 | |
| 260 if (cd.aggNew) | |
| 261 { | |
| 262 // Prepend the size argument to newargs[] | |
| 263 Expression e = new IntegerExp(loc, cd.size(loc), Type.tsize_t); | |
| 264 if (!newargs) | |
| 265 newargs = new Expressions(); | |
|
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Expressions -> Vector!Expression
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parents:
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diff
changeset
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266 newargs.shift(e); |
| 0 | 267 |
| 268 f = cd.aggNew.overloadResolve(loc, null, newargs); | |
| 269 allocator = f.isNewDeclaration(); | |
| 270 assert(allocator); | |
| 271 | |
| 272 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
|
273 functionParameters(loc, sc, tf, newargs); |
| 0 | 274 } |
| 275 else | |
| 276 { | |
| 277 if (newargs && newargs.dim) | |
| 278 error("no allocator for %s", cd.toChars()); | |
| 279 } | |
| 280 } | |
| 281 else if (tb.ty == Tstruct) | |
| 282 { | |
| 283 TypeStruct ts = cast(TypeStruct)tb; | |
| 284 StructDeclaration sd = ts.sym; | |
| 285 TypeFunction tf; | |
| 286 | |
| 287 FuncDeclaration f = null; | |
| 288 if (sd.ctor) | |
| 289 f = resolveFuncCall(sc, loc, sd.ctor, null, null, arguments, 0); | |
| 290 if (f) | |
| 291 { | |
| 292 checkDeprecated(sc, f); | |
| 293 member = f.isCtorDeclaration(); | |
| 294 assert(member); | |
| 295 | |
| 296 sd.accessCheck(loc, sc, member); | |
| 297 | |
| 298 tf = cast(TypeFunction)f.type; | |
| 299 // type = tf.next; | |
| 300 | |
| 301 if (!arguments) | |
| 302 arguments = new Expressions(); | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
303 functionParameters(loc, sc, tf, arguments); |
| 0 | 304 } |
| 305 else | |
| 306 { | |
| 307 if (arguments && arguments.dim) | |
| 308 error("no constructor for %s", sd.toChars()); | |
| 309 } | |
| 310 | |
| 311 if (sd.aggNew) | |
| 312 { | |
| 313 // Prepend the uint size argument to newargs[] | |
| 314 Expression e = new IntegerExp(loc, sd.size(loc), Type.tuns32); | |
| 315 if (!newargs) | |
| 316 newargs = new Expressions(); | |
|
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Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
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317 newargs.shift(e); |
| 0 | 318 |
| 319 f = sd.aggNew.overloadResolve(loc, null, newargs); | |
| 320 allocator = f.isNewDeclaration(); | |
| 321 assert(allocator); | |
| 322 | |
| 323 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
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324 functionParameters(loc, sc, tf, newargs); |
| 0 | 325 static if (false) { |
| 326 e = new VarExp(loc, f); | |
| 327 e = new CallExp(loc, e, newargs); | |
| 328 e = e.semantic(sc); | |
| 329 e.type = type.pointerTo(); | |
| 330 return e; | |
| 331 } | |
| 332 } | |
| 333 else | |
| 334 { | |
| 335 if (newargs && newargs.dim) | |
| 336 error("no allocator for %s", sd.toChars()); | |
| 337 } | |
| 338 | |
| 339 type = type.pointerTo(); | |
| 340 } | |
| 341 else if (tb.ty == Tarray && (arguments && arguments.dim)) | |
| 342 { | |
| 343 for (size_t j = 0; j < arguments.dim; j++) | |
| 344 { | |
| 345 if (tb.ty != Tarray) | |
| 174 | 346 { |
| 0 | 347 error("too many arguments for array"); |
| 348 arguments.dim = i; | |
| 349 break; | |
| 350 } | |
| 351 | |
|
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more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
352 auto arg = arguments[j]; |
| 0 | 353 arg = resolveProperties(sc, arg); |
| 354 arg = arg.implicitCastTo(sc, Type.tsize_t); | |
| 355 arg = arg.optimize(WANTvalue); | |
| 356 if (arg.op == TOKint64 && cast(long)arg.toInteger() < 0) | |
| 357 error("negative array index %s", arg.toChars()); | |
|
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Expressions -> Vector!Expression
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parents:
72
diff
changeset
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358 arguments[j] = arg; |
| 0 | 359 tb = (cast(TypeDArray)tb).next.toBasetype(); |
| 360 } | |
| 361 } | |
| 362 else if (tb.isscalar()) | |
| 363 { | |
| 364 if (arguments && arguments.dim) | |
| 365 error("no constructor for %s", type.toChars()); | |
| 366 | |
| 367 type = type.pointerTo(); | |
| 368 } | |
| 369 else | |
| 370 { | |
| 371 error("new can only create structs, dynamic arrays or class objects, not %s's", type.toChars()); | |
| 372 type = type.pointerTo(); | |
| 373 } | |
| 374 | |
| 375 //printf("NewExp: '%s'\n", toChars()); | |
| 376 //printf("NewExp:type '%s'\n", type.toChars()); | |
| 377 | |
| 378 return this; | |
| 379 } | |
| 380 | |
| 72 | 381 override Expression optimize(int result) |
| 0 | 382 { |
| 383 if (thisexp) | |
| 384 thisexp = thisexp.optimize(WANTvalue); | |
| 385 | |
| 386 // Optimize parameters | |
| 387 if (newargs) | |
| 388 { | |
|
90
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more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
389 foreach (ref Expression e; newargs) |
| 174 | 390 { |
| 0 | 391 e = e.optimize(WANTvalue); |
| 392 } | |
| 393 } | |
| 394 | |
| 395 if (arguments) | |
| 396 { | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
84
diff
changeset
|
397 foreach (ref Expression e; arguments) |
| 174 | 398 { |
| 0 | 399 e = e.optimize(WANTvalue); |
| 400 } | |
| 401 } | |
| 402 return this; | |
| 403 } | |
| 404 | |
| 72 | 405 override elem* toElem(IRState* irs) |
| 0 | 406 { |
| 407 elem* e; | |
| 408 Type t; | |
| 409 Type ectype; | |
| 410 | |
| 411 //printf("NewExp.toElem() %s\n", toChars()); | |
| 412 t = type.toBasetype(); | |
| 413 //printf("\ttype = %s\n", t.toChars()); | |
| 414 //if (member) | |
| 415 //printf("\tmember = %s\n", member.toChars()); | |
| 416 if (t.ty == Tclass) | |
| 417 { | |
| 418 Symbol* csym; | |
| 419 | |
| 420 t = newtype.toBasetype(); | |
| 421 assert(t.ty == Tclass); | |
| 422 TypeClass tclass = cast(TypeClass)t; | |
| 423 ClassDeclaration cd = tclass.sym; | |
| 424 | |
| 425 /* Things to do: | |
| 426 * 1) ex: call allocator | |
| 427 * 2) ey: set vthis for nested classes | |
| 428 * 3) ez: call constructor | |
| 429 */ | |
| 430 | |
| 431 elem *ex = null; | |
| 432 elem *ey = null; | |
| 433 elem *ez = null; | |
| 434 | |
| 435 if (allocator || onstack) | |
| 174 | 436 { |
| 0 | 437 elem *ei; |
| 438 Symbol *si; | |
| 439 | |
| 440 if (onstack) | |
| 441 { | |
| 442 /* Create an instance of the class on the stack, | |
| 443 * and call it stmp. | |
| 444 * Set ex to be the &stmp. | |
| 445 */ | |
| 446 Symbol* s = symbol_calloc(toStringz(tclass.sym.toChars())); | |
| 447 s.Sclass = SCstruct; | |
| 448 s.Sstruct = struct_calloc(); | |
| 449 s.Sstruct.Sflags |= 0; | |
| 450 s.Sstruct.Salignsize = tclass.sym.alignsize; | |
| 451 s.Sstruct.Sstructalign = cast(ubyte)tclass.sym.structalign; | |
| 452 s.Sstruct.Sstructsize = tclass.sym.structsize; | |
| 453 | |
| 454 .type* tc = type_alloc(TYstruct); | |
| 455 tc.Ttag = cast(Classsym*)s; // structure tag name | |
| 456 tc.Tcount++; | |
| 457 s.Stype = tc; | |
| 458 | |
| 459 Symbol *stmp = symbol_genauto(tc); | |
| 460 ex = el_ptr(stmp); | |
| 461 } | |
| 462 else | |
| 463 { | |
| 464 ex = el_var(allocator.toSymbol()); | |
| 465 ex = callfunc(loc, irs, 1, type, ex, allocator.type, | |
| 466 allocator, allocator.type, null, newargs); | |
| 467 } | |
| 468 | |
| 469 si = tclass.sym.toInitializer(); | |
| 470 ei = el_var(si); | |
| 471 | |
| 472 if (cd.isNested()) | |
| 473 { | |
| 474 ey = el_same(&ex); | |
| 475 ez = el_copytree(ey); | |
| 476 } | |
| 477 else if (member) | |
| 478 ez = el_same(&ex); | |
| 479 | |
| 480 ex = el_una(OPind, TYstruct, ex); | |
| 481 ex = el_bin(OPstreq, TYnptr, ex, ei); | |
| 482 ex.Enumbytes = cd.size(loc); | |
| 483 ex = el_una(OPaddr, TYnptr, ex); | |
| 484 ectype = tclass; | |
| 485 } | |
| 486 else | |
| 487 { | |
| 488 csym = cd.toSymbol(); | |
| 489 ex = el_bin(OPcall,TYnptr,el_var(rtlsym[RTLSYM_NEWCLASS]),el_ptr(csym)); | |
| 490 ectype = null; | |
| 491 | |
| 492 if (cd.isNested()) | |
| 493 { | |
| 494 ey = el_same(&ex); | |
| 495 ez = el_copytree(ey); | |
| 496 } | |
| 497 else if (member) | |
| 498 ez = el_same(&ex); | |
| 499 //elem_print(ex); | |
| 500 //elem_print(ey); | |
| 501 //elem_print(ez); | |
| 502 } | |
| 503 | |
| 504 if (thisexp) | |
| 174 | 505 { |
| 0 | 506 ClassDeclaration cdthis = thisexp.type.isClassHandle(); |
| 507 assert(cdthis); | |
| 508 //printf("cd = %s\n", cd.toChars()); | |
| 509 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 510 assert(cd.isNested()); | |
| 511 int offset = 0; | |
| 512 Dsymbol cdp = cd.toParent2(); // class we're nested in | |
| 513 elem* ethis; | |
| 514 | |
| 515 //printf("member = %p\n", member); | |
| 516 //printf("cdp = %s\n", cdp.toChars()); | |
| 517 //printf("cdthis = %s\n", cdthis.toChars()); | |
| 518 if (cdp != cdthis) | |
| 174 | 519 { |
| 0 | 520 int i = cdp.isClassDeclaration().isBaseOf(cdthis, &offset); |
| 521 assert(i); | |
| 522 } | |
| 523 ethis = thisexp.toElem(irs); | |
| 524 if (offset) | |
| 525 ethis = el_bin(OPadd, TYnptr, ethis, el_long(TYint, offset)); | |
| 526 | |
| 527 if (!cd.vthis) | |
| 528 { | |
| 529 error("forward reference to %s", cd.toChars()); | |
| 530 } | |
| 531 else | |
| 532 { | |
| 533 ey = el_bin(OPadd, TYnptr, ey, el_long(TYint, cd.vthis.offset)); | |
| 534 ey = el_una(OPind, TYnptr, ey); | |
| 535 ey = el_bin(OPeq, TYnptr, ey, ethis); | |
| 536 } | |
| 537 //printf("ex: "); elem_print(ex); | |
| 538 //printf("ey: "); elem_print(ey); | |
| 539 //printf("ez: "); elem_print(ez); | |
| 540 } | |
| 541 else if (cd.isNested()) | |
| 174 | 542 { |
| 0 | 543 /* Initialize cd.vthis: |
| 544 * *(ey + cd.vthis.offset) = this; | |
| 545 */ | |
| 546 ey = setEthis(loc, irs, ey, cd); | |
| 547 } | |
| 548 | |
| 549 if (member) | |
| 550 // Call constructor | |
| 551 ez = callfunc(loc, irs, 1, type, ez, ectype, member, member.type, null, arguments); | |
| 552 | |
| 553 e = el_combine(ex, ey); | |
| 554 e = el_combine(e, ez); | |
| 555 } | |
| 556 else if (t.ty == Tpointer && t.nextOf().toBasetype().ty == Tstruct) | |
| 557 { | |
| 558 Symbol* csym; | |
| 559 | |
| 560 t = newtype.toBasetype(); | |
| 561 assert(t.ty == Tstruct); | |
| 562 TypeStruct tclass = cast(TypeStruct)t; | |
| 563 StructDeclaration cd = tclass.sym; | |
| 564 | |
| 565 /* Things to do: | |
| 566 * 1) ex: call allocator | |
| 567 * 2) ey: set vthis for nested classes | |
| 568 * 3) ez: call constructor | |
| 569 */ | |
| 570 | |
| 571 elem* ex = null; | |
| 572 elem* ey = null; | |
| 573 elem* ez = null; | |
| 574 | |
| 575 if (allocator) | |
| 174 | 576 { |
| 0 | 577 elem *ei; |
| 578 Symbol *si; | |
| 579 | |
| 580 ex = el_var(allocator.toSymbol()); | |
| 581 ex = callfunc(loc, irs, 1, type, ex, allocator.type, | |
| 582 allocator, allocator.type, null, newargs); | |
| 583 | |
| 584 si = tclass.sym.toInitializer(); | |
| 585 ei = el_var(si); | |
| 586 | |
| 587 if (cd.isNested()) | |
| 588 { | |
| 589 ey = el_same(&ex); | |
| 590 ez = el_copytree(ey); | |
| 591 } | |
| 592 else if (member) | |
| 593 ez = el_same(&ex); | |
| 594 | |
| 595 if (!member) | |
| 174 | 596 { |
| 0 | 597 /* Statically intialize with default initializer |
| 598 */ | |
| 599 ex = el_una(OPind, TYstruct, ex); | |
| 600 ex = el_bin(OPstreq, TYnptr, ex, ei); | |
| 601 ex.Enumbytes = cd.size(loc); | |
| 602 ex = el_una(OPaddr, TYnptr, ex); | |
| 603 } | |
| 604 ectype = tclass; | |
| 605 } | |
| 606 else | |
| 607 { | |
| 608 ulong elemsize = cd.size(loc); | |
| 609 | |
| 610 // call _d_newarrayT(ti, 1) | |
| 611 e = el_long(TYsize_t, 1); | |
| 612 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 613 | |
| 614 int rtl = t.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 615 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 616 | |
| 617 // The new functions return an array, so convert to a pointer | |
| 618 // ex . (unsigned)(e >> 32) | |
| 619 e = el_bin(OPshr, TYdarray, e, el_long(TYint, 32)); | |
| 620 ex = el_una(OP64_32, TYnptr, e); | |
| 621 | |
| 622 ectype = null; | |
| 623 | |
| 624 if (cd.isNested()) | |
| 625 { | |
| 626 ey = el_same(&ex); | |
| 627 ez = el_copytree(ey); | |
| 628 } | |
| 629 else if (member) | |
| 630 ez = el_same(&ex); | |
| 631 //elem_print(ex); | |
| 632 //elem_print(ey); | |
| 633 //elem_print(ez); | |
| 634 } | |
| 635 | |
| 636 if (cd.isNested()) | |
| 174 | 637 { |
| 0 | 638 /* Initialize cd.vthis: |
| 639 * *(ey + cd.vthis.offset) = this; | |
| 640 */ | |
| 641 ey = setEthis(loc, irs, ey, cd); | |
| 642 } | |
| 643 | |
| 644 if (member) | |
| 174 | 645 { |
| 0 | 646 // Call constructor |
| 647 ez = callfunc(loc, irs, 1, type, ez, ectype, member, member.type, null, arguments); | |
| 648 version (STRUCTTHISREF) { | |
| 649 /* Structs return a ref, which gets automatically dereferenced. | |
| 650 * But we want a pointer to the instance. | |
| 651 */ | |
| 652 ez = el_una(OPaddr, TYnptr, ez); | |
| 653 } | |
| 654 } | |
| 655 | |
| 656 e = el_combine(ex, ey); | |
| 657 e = el_combine(e, ez); | |
| 658 } | |
| 659 else if (t.ty == Tarray) | |
| 660 { | |
| 661 TypeDArray tda = cast(TypeDArray)t; | |
| 662 | |
| 663 assert(arguments && arguments.dim >= 1); | |
| 664 if (arguments.dim == 1) | |
| 174 | 665 { |
| 0 | 666 // Single dimension array allocations |
|
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667 auto arg = arguments[0]; // gives array length |
| 0 | 668 e = arg.toElem(irs); |
| 669 ulong elemsize = tda.next.size(); | |
| 670 | |
| 671 // call _d_newT(ti, arg) | |
| 672 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 673 int rtl = tda.next.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 674 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 675 } | |
| 676 else | |
| 174 | 677 { |
| 0 | 678 // Multidimensional array allocations |
| 679 e = el_long(TYint, arguments.dim); | |
|
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changeset
|
680 foreach (Expression arg; arguments) |
| 0 | 681 { |
| 682 e = el_param(arg.toElem(irs), e); | |
| 683 assert(t.ty == Tarray); | |
| 684 t = t.nextOf(); | |
| 685 assert(t); | |
| 686 } | |
| 687 | |
| 688 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 689 | |
| 690 int rtl = t.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYMT : RTLSYM_NEWARRAYMIT; | |
| 691 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 692 } | |
| 693 } | |
| 694 else if (t.ty == Tpointer) | |
| 695 { | |
| 696 TypePointer tp = cast(TypePointer)t; | |
| 697 ulong elemsize = tp.next.size(); | |
| 698 Expression di = tp.next.defaultInit(Loc(0)); | |
| 699 ulong disize = di.type.size(); | |
| 700 | |
| 701 // call _d_newarrayT(ti, 1) | |
| 702 e = el_long(TYsize_t, 1); | |
| 703 e = el_param(e, type.getTypeInfo(null).toElem(irs)); | |
| 704 | |
| 705 int rtl = tp.next.isZeroInit(Loc(0)) ? RTLSYM_NEWARRAYT : RTLSYM_NEWARRAYIT; | |
| 706 e = el_bin(OPcall,TYdarray,el_var(rtlsym[rtl]),e); | |
| 707 | |
| 708 // The new functions return an array, so convert to a pointer | |
| 709 // e . (unsigned)(e >> 32) | |
| 710 e = el_bin(OPshr, TYdarray, e, el_long(TYint, 32)); | |
| 711 e = el_una(OP64_32, t.totym(), e); | |
| 712 } | |
| 713 else | |
| 714 { | |
| 715 assert(0); | |
| 716 } | |
| 717 | |
| 718 el_setLoc(e,loc); | |
| 719 return e; | |
| 720 } | |
| 721 | |
| 72 | 722 override bool checkSideEffect(int flag) |
| 0 | 723 { |
| 123 | 724 return true; |
| 0 | 725 } |
| 726 | |
| 72 | 727 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 728 { |
| 174 | 729 int i; |
| 730 | |
| 731 if (thisexp) | |
| 732 { | |
| 733 expToCBuffer(buf, hgs, thisexp, PREC.PREC_primary); | |
| 734 buf.writeByte('.'); | |
| 735 } | |
| 736 buf.writestring("new "); | |
| 737 if (newargs && newargs.dim) | |
| 738 { | |
| 739 buf.writeByte('('); | |
| 740 argsToCBuffer(buf, newargs, hgs); | |
| 741 buf.writeByte(')'); | |
| 742 } | |
| 743 newtype.toCBuffer(buf, null, hgs); | |
| 744 if (arguments && arguments.dim) | |
| 745 { | |
| 746 buf.writeByte('('); | |
| 747 argsToCBuffer(buf, arguments, hgs); | |
| 748 buf.writeByte(')'); | |
| 749 } | |
| 0 | 750 } |
| 751 | |
| 72 | 752 override void scanForNestedRef(Scope sc) |
| 0 | 753 { |
| 72 | 754 //printf("NewExp.scanForNestedRef(Scope *sc): %s\n", toChars()); |
| 755 | |
| 756 if (thisexp) | |
| 757 thisexp.scanForNestedRef(sc); | |
| 758 arrayExpressionScanForNestedRef(sc, newargs); | |
| 64 | 759 arrayExpressionScanForNestedRef(sc, arguments); |
| 0 | 760 } |
| 761 | |
| 762 version (DMDV2) { | |
| 72 | 763 override bool canThrow() |
| 0 | 764 { |
| 765 return 1; | |
| 72 | 766 } |
| 0 | 767 } |
| 174 | 768 |
| 0 | 769 //int inlineCost(InlineCostState *ics); |
| 770 | |
| 72 | 771 override Expression doInline(InlineDoState ids) |
| 0 | 772 { |
| 773 //printf("NewExp.doInline(): %s\n", toChars()); | |
| 774 NewExp ne = cast(NewExp)copy(); | |
| 775 | |
| 776 if (thisexp) | |
| 777 ne.thisexp = thisexp.doInline(ids); | |
| 778 ne.newargs = arrayExpressiondoInline(ne.newargs, ids); | |
| 779 ne.arguments = arrayExpressiondoInline(ne.arguments, ids); | |
| 780 return ne; | |
| 72 | 781 } |
| 174 | 782 |
| 0 | 783 //Expression inlineScan(InlineScanState *iss); |
| 784 } | |
| 785 |