Mercurial > projects > ddmd
annotate dmd/FuncDeclaration.d @ 131:206db751bd4c
dmdfe 2.037 compiles now
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Fri, 10 Sep 2010 00:27:37 +0100 |
| parents | 60bb0fe4563e |
| children | af1bebfd96a4 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.FuncDeclaration; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Declaration; |
| 5 import dmd.DotIdExp; | |
| 63 | 6 import dmd.AddrExp; |
| 0 | 7 import dmd.TryFinallyStatement; |
| 73 | 8 import dmd.TryCatchStatement; |
| 9 import dmd.Catch; | |
| 10 import dmd.DeclarationStatement; | |
| 0 | 11 import dmd.StaticDtorDeclaration; |
| 63 | 12 import dmd.GlobalExpressions; |
| 0 | 13 import dmd.PeelStatement; |
| 14 import dmd.SynchronizedStatement; | |
| 15 import dmd.TOK; | |
| 16 import dmd.SymOffExp; | |
| 17 import dmd.AssignExp; | |
| 18 import dmd.ExpInitializer; | |
| 19 import dmd.BE; | |
| 20 import dmd.Id; | |
|
93
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
21 import dmd.StorageClassDeclaration; |
| 0 | 22 import dmd.StringExp; |
| 23 import dmd.DsymbolExp; | |
| 24 import dmd.HaltExp; | |
| 25 import dmd.CommaExp; | |
| 26 import dmd.ReturnStatement; | |
| 27 import dmd.IntegerExp; | |
| 28 import dmd.ExpStatement; | |
| 29 import dmd.CSX; | |
| 30 import dmd.CompoundStatement; | |
| 31 import dmd.LabelStatement; | |
| 32 import dmd.ThisExp; | |
| 33 import dmd.SuperExp; | |
| 34 import dmd.IdentifierExp; | |
| 35 import dmd.AssertExp; | |
| 36 import dmd.CallExp; | |
| 37 import dmd.RET; | |
| 38 import dmd.VarExp; | |
| 39 import dmd.TupleDeclaration; | |
| 40 import dmd.ThisDeclaration; | |
| 41 import dmd.TypeTuple; | |
| 42 import dmd.TemplateInstance; | |
| 43 import dmd.ScopeDsymbol; | |
| 44 import dmd.AliasDeclaration; | |
| 45 import dmd.MOD; | |
| 46 import dmd.PROT; | |
| 47 import dmd.Lexer; | |
| 48 import dmd.LINK; | |
| 49 import dmd.CtorDeclaration; | |
| 50 import dmd.Global; | |
| 51 import dmd.DtorDeclaration; | |
| 52 import dmd.InvariantDeclaration; | |
| 53 import dmd.TY; | |
| 54 import dmd.PtrExp; | |
| 55 import dmd.DeclarationExp; | |
| 56 import dmd.InlineDoState; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
57 import dmd.Parameter; |
| 0 | 58 import dmd.StructDeclaration; |
| 59 import dmd.ClassDeclaration; | |
| 60 import dmd.InterfaceDeclaration; | |
| 61 import dmd.Array; | |
| 62 import dmd.Statement; | |
| 63 import dmd.Identifier; | |
| 64 import dmd.VarDeclaration; | |
| 65 import dmd.LabelDsymbol; | |
| 66 import dmd.DsymbolTable; | |
| 67 import dmd.ArrayTypes; | |
| 68 import dmd.Loc; | |
| 69 import dmd.ILS; | |
| 70 import dmd.ForeachStatement; | |
| 71 import dmd.Type; | |
| 72 import dmd.BUILTIN; | |
| 73 import dmd.TypeFunction; | |
| 74 import dmd.Expression; | |
| 75 import dmd.STC; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
76 import dmd.TRUST; |
| 0 | 77 import dmd.Dsymbol; |
| 78 import dmd.Scope; | |
| 79 import dmd.OutBuffer; | |
| 80 import dmd.HdrGenState; | |
| 81 import dmd.MATCH; | |
| 82 import dmd.AggregateDeclaration; | |
| 83 import dmd.InterState; | |
| 84 import dmd.InlineScanState; | |
| 85 import dmd.IRState; | |
| 86 import dmd.Util; | |
| 87 import dmd.BaseClass; | |
| 88 import dmd.Module; | |
| 89 import dmd.InlineCostState; | |
| 90 | |
| 91 import dmd.expression.Util; | |
| 92 | |
| 93 import dmd.declaration.Match; | |
| 94 | |
| 95 import dmd.backend.Symbol; | |
| 96 import dmd.backend.func_t; | |
| 97 import dmd.backend.Util; | |
| 98 import dmd.backend.glue; | |
| 99 import dmd.backend.SC; | |
| 100 import dmd.backend.F; | |
| 101 import dmd.backend.Cstate; | |
| 102 import dmd.backend.TYM; | |
| 103 import dmd.backend.OPER; | |
| 104 import dmd.backend.TYFL; | |
| 105 import dmd.backend.TYPE; | |
| 106 import dmd.backend.SFL; | |
| 107 import dmd.backend.mTY; | |
| 108 import dmd.backend.FL; | |
| 109 import dmd.backend.REG; | |
| 110 import dmd.backend.block; | |
| 111 import dmd.backend.Blockx; | |
| 112 import dmd.backend.Config; | |
| 113 import dmd.backend.BC; | |
| 114 import dmd.backend.elem; | |
| 115 import dmd.backend.targ_types; | |
| 116 import dmd.backend.mTYman; | |
| 117 import dmd.backend.RTLSYM; | |
| 118 import dmd.backend.LIST; | |
| 119 | |
| 120 import core.stdc.stdio; | |
| 121 import core.stdc.string; | |
| 63 | 122 version (Bug4054) import core.memory; |
| 123 | |
| 72 | 124 import dmd.interpret.Util; |
| 0 | 125 |
| 126 import std.string; | |
| 127 | |
| 128 class FuncDeclaration : Declaration | |
| 129 { | |
| 130 Array fthrows; // Array of Type's of exceptions (not used) | |
| 131 Statement frequire; | |
| 132 Statement fensure; | |
| 133 Statement fbody; | |
| 73 | 134 |
| 135 FuncDeclarations foverrides; // functions this function overrides | |
| 136 FuncDeclaration fdrequire; // function that does the in contract | |
| 137 FuncDeclaration fdensure; // function that does the out contract | |
| 0 | 138 |
| 139 Identifier outId; // identifier for out statement | |
| 140 VarDeclaration vresult; // variable corresponding to outId | |
| 141 LabelDsymbol returnLabel; // where the return goes | |
| 142 | |
| 143 DsymbolTable localsymtab; // used to prevent symbols in different | |
| 144 // scopes from having the same name | |
| 145 VarDeclaration vthis; // 'this' parameter (member and nested) | |
| 146 VarDeclaration v_arguments; // '_arguments' parameter | |
| 147 version (IN_GCC) { | |
| 148 VarDeclaration v_argptr; // '_argptr' variable | |
| 149 } | |
| 150 Dsymbols parameters; // Array of VarDeclaration's for parameters | |
| 151 DsymbolTable labtab; // statement label symbol table | |
| 152 Declaration overnext; // next in overload list | |
| 153 Loc endloc; // location of closing curly bracket | |
| 73 | 154 int vtblIndex; // for member functions, index into vtbl[] |
| 0 | 155 int naked; // !=0 if naked |
| 156 int inlineAsm; // !=0 if has inline assembler | |
| 73 | 157 ILS inlineStatus; |
| 0 | 158 int inlineNest; // !=0 if nested inline |
| 159 int cantInterpret; // !=0 if cannot interpret function | |
| 160 int semanticRun; // 1 semantic() run | |
| 161 // 2 semantic2() run | |
| 162 // 3 semantic3() started | |
| 163 // 4 semantic3() done | |
| 164 // 5 toObjFile() run | |
| 165 // this function's frame ptr | |
| 166 ForeachStatement fes; // if foreach body, this is the foreach | |
| 167 int introducing; // !=0 if 'introducing' function | |
| 168 Type tintro; // if !=null, then this is the type | |
| 169 // of the 'introducing' function | |
| 170 // this one is overriding | |
| 171 int inferRetType; // !=0 if return type is to be inferred | |
| 172 | |
| 173 // Things that should really go into Scope | |
| 174 int hasReturnExp; // 1 if there's a return exp; statement | |
| 175 // 2 if there's a throw statement | |
| 176 // 4 if there's an assert(0) | |
| 177 // 8 if there's inline asm | |
| 178 | |
| 179 // Support for NRVO (named return value optimization) | |
| 180 bool nrvo_can = true; // !=0 means we can do it | |
| 181 VarDeclaration nrvo_var; // variable to replace with shidden | |
| 182 Symbol* shidden; // hidden pointer passed to function | |
| 183 | |
| 184 version (DMDV2) { | |
| 185 BUILTIN builtin; // set if this is a known, builtin | |
| 186 // function we can evaluate at compile | |
| 187 // time | |
| 188 | |
| 189 int tookAddressOf; // set if someone took the address of | |
| 190 // this function | |
| 191 Dsymbols closureVars; // local variables in this function | |
| 192 // which are referenced by nested | |
| 193 // functions | |
| 194 } else { | |
| 195 int nestedFrameRef; // !=0 if nested variables referenced | |
| 196 } | |
| 197 | |
|
131
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
198 this(Loc loc, Loc endloc, Identifier id, StorageClass storage_class, Type type) |
| 0 | 199 { |
| 200 super(id); | |
| 201 | |
| 202 //printf("FuncDeclaration(id = '%s', type = %p)\n", id.toChars(), type); | |
| 203 //printf("storage_class = x%x\n", storage_class); | |
| 204 this.storage_class = storage_class; | |
| 205 this.type = type; | |
| 206 this.loc = loc; | |
| 207 this.endloc = endloc; | |
| 73 | 208 fthrows = null; |
| 209 frequire = null; | |
| 210 fdrequire = null; | |
| 211 fdensure = null; | |
| 212 outId = null; | |
| 213 vresult = null; | |
| 214 returnLabel = null; | |
| 215 fensure = null; | |
| 216 fbody = null; | |
| 217 localsymtab = null; | |
| 218 vthis = null; | |
| 219 v_arguments = null; | |
| 220 version (IN_GCC) { | |
| 221 v_argptr = null; | |
| 222 } | |
| 223 parameters = null; | |
| 224 labtab = null; | |
| 225 overnext = null; | |
| 226 vtblIndex = -1; | |
| 227 hasReturnExp = 0; | |
| 228 naked = 0; | |
| 229 inlineStatus = ILS.ILSuninitialized; | |
| 230 inlineNest = 0; | |
| 231 inlineAsm = 0; | |
| 232 cantInterpret = 0; | |
| 233 semanticRun = 0; | |
| 234 version (DMDV1) { | |
| 235 nestedFrameRef = 0; | |
| 236 } | |
| 237 fes = null; | |
| 238 introducing = 0; | |
| 239 tintro = null; | |
| 0 | 240 /* The type given for "infer the return type" is a TypeFunction with |
| 241 * null for the return type. | |
| 242 */ | |
| 243 inferRetType = (type && type.nextOf() is null); | |
| 73 | 244 hasReturnExp = 0; |
| 245 nrvo_can = 1; | |
| 246 nrvo_var = null; | |
| 247 shidden = null; | |
| 248 version (DMDV2) { | |
| 249 builtin = BUILTINunknown; | |
| 250 tookAddressOf = 0; | |
| 251 } | |
| 252 foverrides = new FuncDeclarations(); | |
| 0 | 253 closureVars = new Dsymbols(); |
| 254 } | |
| 255 | |
| 72 | 256 override Dsymbol syntaxCopy(Dsymbol s) |
| 0 | 257 { |
| 258 FuncDeclaration f; | |
| 259 | |
| 260 //printf("FuncDeclaration::syntaxCopy('%s')\n", toChars()); | |
| 261 if (s) | |
| 262 f = cast(FuncDeclaration)s; | |
| 263 else | |
| 264 f = new FuncDeclaration(loc, endloc, ident, storage_class, type.syntaxCopy()); | |
| 265 | |
| 266 f.outId = outId; | |
| 267 f.frequire = frequire ? frequire.syntaxCopy() : null; | |
| 268 f.fensure = fensure ? fensure.syntaxCopy() : null; | |
| 269 f.fbody = fbody ? fbody.syntaxCopy() : null; | |
| 270 assert(!fthrows); // deprecated | |
| 271 | |
| 272 return f; | |
| 273 } | |
| 274 | |
| 275 // Do the semantic analysis on the external interface to the function. | |
| 72 | 276 override void semantic(Scope sc) |
| 0 | 277 { |
| 278 TypeFunction f; | |
| 279 StructDeclaration sd; | |
| 280 ClassDeclaration cd; | |
| 281 InterfaceDeclaration id; | |
| 282 Dsymbol pd; | |
| 283 | |
| 79 | 284 static if (false) |
| 285 { | |
| 0 | 286 printf("FuncDeclaration.semantic(sc = %p, this = %p, '%s', linkage = %d)\n", sc, this, toPrettyChars(), sc.linkage); |
| 287 if (isFuncLiteralDeclaration()) | |
| 288 printf("\tFuncLiteralDeclaration()\n"); | |
| 289 printf("sc.parent = %s, parent = %s\n", sc.parent.toChars(), parent ? parent.toChars() : ""); | |
| 290 printf("type: %p, %s\n", type, type.toChars()); | |
| 291 } | |
| 292 | |
| 293 if (semanticRun && isFuncLiteralDeclaration()) | |
| 294 { | |
| 79 | 295 /* Member functions that have return types that are |
| 296 * forward references can have semantic() run more than | |
| 297 * once on them. | |
| 298 * See test\interface2.d, test20 | |
| 299 */ | |
| 300 return; | |
| 0 | 301 } |
| 302 assert(semanticRun <= 1); | |
| 303 semanticRun = 1; | |
| 304 | |
| 305 storage_class |= sc.stc & ~STC.STCref; | |
| 306 //printf("function storage_class = x%x\n", storage_class); | |
| 307 | |
| 308 if (!originalType) | |
| 79 | 309 originalType = type; |
| 0 | 310 if (!type.deco) |
| 311 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
312 /* Apply const, immutable and shared storage class |
| 79 | 313 * to the function type |
| 314 */ | |
| 315 type = type.semantic(loc, sc); | |
|
131
206db751bd4c
dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
130
diff
changeset
|
316 StorageClass stc = storage_class; |
| 79 | 317 if (type.isInvariant()) |
| 318 stc |= STC.STCimmutable; | |
| 319 if (type.isConst()) | |
| 320 stc |= STC.STCconst; | |
| 321 if (type.isShared() || storage_class & STC.STCsynchronized) | |
| 322 stc |= STC.STCshared; | |
| 323 switch (stc & STC.STC_TYPECTOR) | |
| 324 { | |
| 325 case STC.STCimmutable: | |
| 326 case STC.STCimmutable | STC.STCconst: | |
| 327 case STC.STCimmutable | STC.STCconst | STC.STCshared: | |
| 328 case STC.STCimmutable | STC.STCshared: | |
| 329 // Don't use toInvariant(), as that will do a merge() | |
| 330 type = type.makeInvariant(); | |
| 331 goto Lmerge; | |
| 332 | |
| 333 case STC.STCconst: | |
| 334 type = type.makeConst(); | |
| 335 goto Lmerge; | |
| 336 | |
| 337 case STC.STCshared | STC.STCconst: | |
| 338 type = type.makeSharedConst(); | |
| 339 goto Lmerge; | |
| 340 | |
| 341 case STC.STCshared: | |
| 342 type = type.makeShared(); | |
| 343 Lmerge: | |
| 344 if (!(type.ty == Tfunction && !type.nextOf())) | |
| 345 /* Can't do merge if return type is not known yet | |
| 346 */ | |
| 347 type.deco = type.merge().deco; | |
| 348 break; | |
| 349 | |
| 350 case STC.STCundefined: | |
| 351 break; | |
| 352 | |
| 353 default: | |
| 354 assert(0); | |
| 355 } | |
| 0 | 356 } |
| 357 //type.print(); | |
| 358 if (type.ty != TY.Tfunction) | |
| 359 { | |
| 360 error("%s must be a function", toChars()); | |
| 361 return; | |
| 362 } | |
| 363 f = cast(TypeFunction)type; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
364 size_t nparams = Parameter.dim(f.parameters); |
| 0 | 365 |
| 366 linkage = sc.linkage; | |
| 367 // if (!parent) | |
| 368 { | |
| 369 //parent = sc.scopesym; | |
| 370 parent = sc.parent; | |
| 371 } | |
| 372 protection = sc.protection; | |
| 373 Dsymbol parent = toParent(); | |
| 374 | |
| 375 if (storage_class & STC.STCscope) | |
| 376 error("functions cannot be scope"); | |
| 377 | |
| 378 if (isAbstract() && !isVirtual()) | |
| 379 error("non-virtual functions cannot be abstract"); | |
| 380 | |
| 381 if ((f.isConst() || f.isInvariant()) && !isThis()) | |
| 382 error("without 'this' cannot be const/immutable"); | |
| 383 | |
| 384 if (isAbstract() && isFinal()) | |
| 385 error("cannot be both final and abstract"); | |
| 386 static if (false) { | |
| 387 if (isAbstract() && fbody) | |
| 388 error("abstract functions cannot have bodies"); | |
| 389 } | |
| 390 | |
| 391 static if (false) { | |
| 392 if (isStaticConstructor() || isStaticDestructor()) | |
| 393 { | |
| 394 if (!isStatic() || type.nextOf().ty != Tvoid) | |
| 395 error("static constructors / destructors must be static void"); | |
| 396 if (f.arguments && f.arguments.dim) | |
| 397 error("static constructors / destructors must have empty parameter list"); | |
| 398 // BUG: check for invalid storage classes | |
| 399 } | |
| 400 } | |
| 401 | |
| 402 version (IN_GCC) { | |
| 403 AggregateDeclaration ad; | |
| 404 | |
| 405 ad = parent.isAggregateDeclaration(); | |
| 406 if (ad) | |
| 407 ad.methods.push(cast(void*)this); | |
| 408 } | |
| 409 sd = parent.isStructDeclaration(); | |
| 410 if (sd) | |
| 411 { | |
| 412 if (isCtorDeclaration()) | |
| 413 { | |
| 414 return; | |
| 415 } | |
| 416 static if (false) { | |
| 417 // Verify no constructors, destructors, etc. | |
| 418 if (isCtorDeclaration() | |
| 419 //||isDtorDeclaration() | |
| 420 //|| isInvariantDeclaration() | |
| 421 //|| isUnitTestDeclaration() | |
| 422 ) | |
| 423 { | |
| 424 error("special member functions not allowed for %ss", sd.kind()); | |
| 425 } | |
| 426 | |
| 427 if (!sd.inv) | |
| 428 sd.inv = isInvariantDeclaration(); | |
| 429 | |
| 430 if (!sd.aggNew) | |
| 431 sd.aggNew = isNewDeclaration(); | |
| 432 | |
| 433 if (isDelete()) | |
| 434 { | |
| 435 if (sd.aggDelete) | |
| 436 error("multiple delete's for struct %s", sd.toChars()); | |
| 437 sd.aggDelete = cast(DeleteDeclaration)this; | |
| 438 } | |
| 439 } | |
| 440 } | |
| 441 | |
| 442 id = parent.isInterfaceDeclaration(); | |
| 443 if (id) | |
| 444 { | |
| 445 storage_class |= STC.STCabstract; | |
| 446 | |
| 447 if (isCtorDeclaration() || | |
| 448 ///static if (DMDV2) { | |
| 449 isPostBlitDeclaration() || | |
| 450 ///} | |
| 451 isDtorDeclaration() || | |
| 452 isInvariantDeclaration() || | |
| 453 isUnitTestDeclaration() || isNewDeclaration() || isDelete()) | |
| 454 error("special function not allowed in interface %s", id.toChars()); | |
| 455 if (fbody) | |
| 456 error("function body is not abstract in interface %s", id.toChars()); | |
| 457 } | |
| 458 | |
| 459 /* Template member functions aren't virtual: | |
| 460 * interface TestInterface { void tpl(T)(); } | |
| 461 * and so won't work in interfaces | |
| 462 */ | |
| 463 if ((pd = toParent()) !is null && | |
| 464 pd.isTemplateInstance() && | |
| 465 (pd = toParent2()) !is null && | |
| 466 (id = pd.isInterfaceDeclaration()) !is null) | |
| 467 { | |
| 468 error("template member function not allowed in interface %s", id.toChars()); | |
| 469 } | |
| 470 | |
| 471 cd = parent.isClassDeclaration(); | |
| 472 if (cd) | |
| 473 { int vi; | |
| 474 CtorDeclaration ctor; | |
| 475 DtorDeclaration dtor; | |
| 476 InvariantDeclaration inv; | |
| 477 | |
| 478 if (isCtorDeclaration()) | |
| 479 { | |
| 480 // ctor = cast(CtorDeclaration)this; | |
| 481 // if (!cd.ctor) | |
| 482 // cd.ctor = ctor; | |
| 483 return; | |
| 484 } | |
| 485 | |
| 486 static if (false) { | |
| 487 dtor = isDtorDeclaration(); | |
| 488 if (dtor) | |
| 489 { | |
| 490 if (cd.dtor) | |
| 491 error("multiple destructors for class %s", cd.toChars()); | |
| 492 cd.dtor = dtor; | |
| 493 } | |
| 494 | |
| 495 inv = isInvariantDeclaration(); | |
| 496 if (inv) | |
| 497 { | |
| 498 cd.inv = inv; | |
| 499 } | |
| 500 | |
| 501 if (isNewDeclaration()) | |
| 502 { | |
| 503 if (!cd.aggNew) | |
| 504 cd.aggNew = cast(NewDeclaration)this; | |
| 505 } | |
| 506 | |
| 507 if (isDelete()) | |
| 508 { | |
| 509 if (cd.aggDelete) | |
| 510 error("multiple delete's for class %s", cd.toChars()); | |
| 511 cd.aggDelete = cast(DeleteDeclaration)this; | |
| 512 } | |
| 513 } | |
| 514 | |
| 515 if (storage_class & STC.STCabstract) | |
| 516 cd.isabstract = true; | |
| 517 | |
| 518 // if static function, do not put in vtbl[] | |
| 519 if (!isVirtual()) | |
| 520 { | |
| 521 //printf("\tnot virtual\n"); | |
| 522 goto Ldone; | |
| 523 } | |
| 524 | |
| 525 // Find index of existing function in vtbl[] to override | |
| 526 vi = findVtblIndex(cd.vtbl, cd.baseClass ? cd.baseClass.vtbl.dim : 0); | |
| 527 switch (vi) | |
| 528 { | |
| 529 case -1: | |
| 530 /* Didn't find one, so | |
| 531 * This is an 'introducing' function which gets a new | |
| 532 * slot in the vtbl[]. | |
| 533 */ | |
| 534 | |
| 535 // Verify this doesn't override previous final function | |
| 536 if (cd.baseClass) | |
| 537 { | |
| 538 Dsymbol s = cd.baseClass.search(loc, ident, 0); | |
| 539 if (s) | |
| 540 { | |
| 541 FuncDeclaration ff = s.isFuncDeclaration(); | |
| 542 ff = ff.overloadExactMatch(type); | |
| 543 if (ff && ff.isFinal() && ff.prot() != PROT.PROTprivate) | |
| 544 error("cannot override final function %s", ff.toPrettyChars()); | |
| 545 } | |
| 546 } | |
| 547 | |
| 548 if (isFinal()) | |
| 549 { | |
| 550 if (isOverride()) | |
| 551 error("does not override any function"); | |
| 552 cd.vtblFinal.push(cast(void*)this); | |
| 553 } | |
| 554 else | |
| 555 { | |
| 556 // Append to end of vtbl[] | |
| 557 //printf("\tintroducing function\n"); | |
| 558 introducing = 1; | |
| 559 vi = cd.vtbl.dim; | |
| 560 cd.vtbl.push(cast(void*)this); | |
| 561 vtblIndex = vi; | |
| 562 } | |
| 563 break; | |
| 564 | |
| 565 case -2: // can't determine because of fwd refs | |
| 566 cd.sizeok = 2; // can't finish due to forward reference | |
| 567 return; | |
| 568 | |
| 569 default: | |
| 570 { | |
| 571 FuncDeclaration fdv = cast(FuncDeclaration)cd.vtbl.data[vi]; | |
| 572 // This function is covariant with fdv | |
| 573 if (fdv.isFinal()) | |
| 574 error("cannot override final function %s", fdv.toPrettyChars()); | |
| 575 | |
| 576 version (DMDV2) { | |
| 577 if (!isOverride()) | |
| 578 warning(loc, "overrides base class function %s, but is not marked with 'override'", fdv.toPrettyChars()); | |
| 579 } | |
| 580 | |
| 581 if (fdv.toParent() == parent) | |
| 582 { | |
| 583 // If both are mixins, then error. | |
| 584 // If either is not, the one that is not overrides | |
| 585 // the other. | |
| 586 if (fdv.parent.isClassDeclaration()) | |
| 587 break; | |
| 588 if (!this.parent.isClassDeclaration() | |
| 589 ///static if (!BREAKABI) { | |
| 590 && !isDtorDeclaration() | |
| 591 ///} | |
| 592 ///version (DMDV2) { | |
| 593 && !isPostBlitDeclaration() | |
| 594 ///} | |
| 595 ) | |
| 596 error("multiple overrides of same function"); | |
| 597 } | |
| 598 cd.vtbl.data[vi] = cast(void*)this; | |
| 599 vtblIndex = vi; | |
| 73 | 600 |
| 601 /* Remember which functions this overrides | |
| 602 */ | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
73
diff
changeset
|
603 foverrides.push(fdv); |
| 0 | 604 |
| 605 /* This works by whenever this function is called, | |
| 606 * it actually returns tintro, which gets dynamically | |
| 607 * cast to type. But we know that tintro is a base | |
| 608 * of type, so we could optimize it by not doing a | |
| 609 * dynamic cast, but just subtracting the isBaseOf() | |
| 610 * offset if the value is != null. | |
| 611 */ | |
| 612 | |
| 613 if (fdv.tintro) | |
| 614 tintro = fdv.tintro; | |
| 615 else if (!type.equals(fdv.type)) | |
| 616 { | |
| 617 /* Only need to have a tintro if the vptr | |
| 618 * offsets differ | |
| 619 */ | |
| 620 int offset; | |
| 621 if (fdv.type.nextOf().isBaseOf(type.nextOf(), &offset)) | |
| 622 { | |
| 623 tintro = fdv.type; | |
| 624 } | |
| 625 } | |
| 626 break; | |
| 627 } | |
| 628 } | |
| 629 | |
| 630 /* Go through all the interface bases. | |
| 631 * If this function is covariant with any members of those interface | |
| 632 * functions, set the tintro. | |
| 633 */ | |
| 634 for (int i = 0; i < cd.interfaces_dim; i++) | |
| 635 { | |
| 636 BaseClass b = cd.interfaces[i]; | |
| 637 vi = findVtblIndex(b.base.vtbl, b.base.vtbl.dim); | |
| 638 switch (vi) | |
| 639 { | |
| 640 case -1: | |
| 641 break; | |
| 642 | |
| 643 case -2: | |
| 644 cd.sizeok = 2; // can't finish due to forward reference | |
| 645 return; | |
| 646 | |
| 647 default: | |
| 648 { FuncDeclaration fdv = cast(FuncDeclaration)b.base.vtbl.data[vi]; | |
| 649 Type ti = null; | |
| 73 | 650 |
| 651 /* Remember which functions this overrides | |
| 652 */ | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
73
diff
changeset
|
653 foverrides.push(fdv); |
| 0 | 654 |
| 655 if (fdv.tintro) | |
| 73 | 656 ti = fdv.tintro; |
| 0 | 657 else if (!type.equals(fdv.type)) |
| 658 { | |
| 659 /* Only need to have a tintro if the vptr | |
| 660 * offsets differ | |
| 661 */ | |
| 662 int offset; | |
| 663 if (fdv.type.nextOf().isBaseOf(type.nextOf(), &offset)) | |
| 664 { | |
| 665 ti = fdv.type; | |
| 666 static if (false) { | |
| 667 if (offset) | |
| 668 ti = fdv.type; | |
| 669 else if (type.nextOf().ty == Tclass) | |
| 670 { | |
| 671 ClassDeclaration cdn = (cast(TypeClass)type.nextOf()).sym; | |
| 672 if (cdn && cdn.sizeok != 1) | |
| 673 ti = fdv.type; | |
| 674 } | |
| 675 } | |
| 676 } | |
| 677 } | |
| 678 if (ti) | |
| 679 { | |
| 680 if (tintro && !tintro.equals(ti)) | |
| 681 { | |
| 682 error("incompatible covariant types %s and %s", tintro.toChars(), ti.toChars()); | |
| 683 } | |
| 684 tintro = ti; | |
| 685 } | |
| 686 goto L2; | |
| 687 } | |
| 688 } | |
| 689 } | |
| 690 | |
| 691 if (introducing && isOverride()) | |
| 692 { | |
| 693 error("does not override any function"); | |
| 694 } | |
| 695 | |
| 696 L2: ; | |
| 697 } | |
| 698 else if (isOverride() && !parent.isTemplateInstance()) | |
| 699 error("override only applies to class member functions"); | |
| 700 | |
| 701 /* Do not allow template instances to add virtual functions | |
| 702 * to a class. | |
| 703 */ | |
| 704 if (isVirtual()) | |
| 705 { | |
| 706 TemplateInstance ti = parent.isTemplateInstance(); | |
| 707 if (ti) | |
| 708 { | |
| 709 // Take care of nested templates | |
| 710 while (1) | |
| 711 { | |
| 712 TemplateInstance ti2 = ti.tempdecl.parent.isTemplateInstance(); | |
| 713 if (!ti2) | |
| 714 break; | |
| 715 ti = ti2; | |
| 716 } | |
| 717 | |
| 718 // If it's a member template | |
| 719 ClassDeclaration cdd = ti.tempdecl.isClassMember(); | |
| 720 if (cdd) | |
| 721 { | |
| 722 error("cannot use template to add virtual function to class '%s'", cdd.toChars()); | |
| 723 } | |
| 724 } | |
| 725 } | |
| 726 | |
| 727 if (isMain()) | |
| 728 { | |
| 729 // Check parameters to see if they are either () or (char[][] args) | |
| 730 switch (nparams) | |
| 731 { | |
| 732 case 0: | |
| 733 break; | |
| 734 | |
| 735 case 1: | |
| 736 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
737 auto arg0 = Parameter.getNth(f.parameters, 0); |
| 0 | 738 if (arg0.type.ty != TY.Tarray || |
| 739 arg0.type.nextOf().ty != TY.Tarray || | |
| 740 arg0.type.nextOf().nextOf().ty != TY.Tchar || | |
| 741 arg0.storageClass & (STC.STCout | STC.STCref | STC.STClazy)) | |
| 742 goto Lmainerr; | |
| 743 break; | |
| 744 } | |
| 745 | |
| 746 default: | |
| 747 goto Lmainerr; | |
| 748 } | |
| 749 | |
| 79 | 750 if (!f.nextOf()) |
| 751 error("must return int or void"); | |
| 752 else if (f.nextOf().ty != TY.Tint32 && f.nextOf().ty != TY.Tvoid) | |
| 0 | 753 error("must return int or void, not %s", f.nextOf().toChars()); |
| 754 if (f.varargs) | |
| 755 { | |
| 756 Lmainerr: | |
| 757 error("parameters must be main() or main(char[][] args)"); | |
| 758 } | |
| 759 } | |
| 760 | |
| 761 if (ident == Id.assign && (sd || cd)) | |
| 762 { // Disallow identity assignment operator. | |
| 763 | |
| 764 // opAssign(...) | |
| 765 if (nparams == 0) | |
| 766 { if (f.varargs == 1) | |
| 767 goto Lassignerr; | |
| 768 } | |
| 769 else | |
| 770 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
771 auto arg0 = Parameter.getNth(f.parameters, 0); |
| 0 | 772 Type t0 = arg0.type.toBasetype(); |
| 773 Type tb = sd ? sd.type : cd.type; | |
| 774 if (arg0.type.implicitConvTo(tb) || | |
| 775 (sd && t0.ty == TY.Tpointer && t0.nextOf().implicitConvTo(tb)) | |
| 776 ) | |
| 777 { | |
| 778 if (nparams == 1) | |
| 779 goto Lassignerr; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
780 auto arg1 = Parameter.getNth(f.parameters, 1); |
| 0 | 781 if (arg1.defaultArg) |
| 782 goto Lassignerr; | |
| 783 } | |
| 784 } | |
| 785 } | |
| 73 | 786 |
| 787 if (isVirtual()) | |
| 788 { | |
| 789 /* Rewrite contracts as nested functions, then call them. | |
| 790 * Doing it as nested functions means that overriding functions | |
| 791 * can call them. | |
| 792 */ | |
| 793 if (frequire) | |
| 794 { | |
| 795 /* in { ... } | |
| 796 * becomes: | |
| 797 * void __require() { ... } | |
| 798 * __require(); | |
| 799 */ | |
| 800 Loc loc = frequire.loc; | |
| 801 TypeFunction tf = new TypeFunction(null, Type.tvoid, 0, LINKd); | |
| 802 FuncDeclaration fd = new FuncDeclaration(loc, loc, Id.require, STCundefined, tf); | |
| 803 fd.fbody = frequire; | |
| 804 Statement s1 = new DeclarationStatement(loc, fd); | |
| 805 Expression e = new CallExp(loc, new VarExp(loc, fd, 0), cast(Expressions)null); | |
| 806 Statement s2 = new ExpStatement(loc, e); | |
| 807 frequire = new CompoundStatement(loc, s1, s2); | |
| 808 fdrequire = fd; | |
| 809 } | |
| 810 | |
| 811 if (fensure) | |
| 812 { /* out (result) { ... } | |
| 813 * becomes: | |
| 814 * tret __ensure(ref tret result) { ... } | |
| 815 * __ensure(result); | |
| 816 */ | |
| 817 if (!outId && f.nextOf().toBasetype().ty != Tvoid) | |
| 818 outId = Id.result; // provide a default | |
| 819 | |
| 820 Loc loc = fensure.loc; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
821 auto arguments = new Parameters(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
822 Parameter a = null; |
| 73 | 823 if (outId) |
| 824 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
825 a = new Parameter(STCref, f.nextOf(), outId, null); |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
122
diff
changeset
|
826 arguments.push(a); |
| 73 | 827 } |
| 828 TypeFunction tf = new TypeFunction(arguments, Type.tvoid, 0, LINKd); | |
| 829 FuncDeclaration fd = new FuncDeclaration(loc, loc, Id.ensure, STCundefined, tf); | |
| 830 fd.fbody = fensure; | |
| 831 Statement s1 = new DeclarationStatement(loc, fd); | |
| 832 Expression eresult = null; | |
| 833 if (outId) | |
| 834 eresult = new IdentifierExp(loc, outId); | |
| 835 Expression e = new CallExp(loc, new VarExp(loc, fd, 0), eresult); | |
| 836 Statement s2 = new ExpStatement(loc, e); | |
| 837 fensure = new CompoundStatement(loc, s1, s2); | |
| 838 fdensure = fd; | |
| 839 } | |
| 840 } | |
| 0 | 841 |
| 842 Ldone: | |
| 843 /* Save scope for possible later use (if we need the | |
| 844 * function internals) | |
| 845 */ | |
|
87
b17640f0e4e8
Fixed a bug with a Scope.this(Scope enclosing) being called instead of Scope.clone() method (as a copy ctor replacement)
korDen
parents:
79
diff
changeset
|
846 scope_ = sc.clone(); |
| 0 | 847 scope_.setNoFree(); |
| 848 return; | |
| 849 | |
| 850 Lassignerr: | |
| 851 if (sd) | |
| 852 { | |
| 853 sd.hasIdentityAssign = 1; // don't need to generate it | |
| 854 goto Ldone; | |
| 855 } | |
| 856 error("identity assignment operator overload is illegal"); | |
| 857 } | |
| 858 | |
| 72 | 859 override void semantic2(Scope sc) |
| 0 | 860 { |
| 861 } | |
| 862 | |
| 863 // Do the semantic analysis on the internals of the function. | |
| 72 | 864 override void semantic3(Scope sc) |
| 0 | 865 { |
| 866 TypeFunction f; | |
| 867 VarDeclaration argptr = null; | |
| 868 VarDeclaration _arguments = null; | |
| 869 | |
| 870 if (!parent) | |
| 871 { | |
| 872 if (global.errors) | |
| 873 return; | |
| 874 //printf("FuncDeclaration.semantic3(%s '%s', sc = %p)\n", kind(), toChars(), sc); | |
| 875 assert(0); | |
| 876 } | |
| 877 //printf("FuncDeclaration.semantic3('%s.%s', sc = %p, loc = %s)\n", parent.toChars(), toChars(), sc, loc.toChars()); | |
| 878 //fflush(stdout); | |
| 879 //printf("storage class = x%x %x\n", sc.stc, storage_class); | |
| 880 //{ static int x; if (++x == 2) *(char*)0=0; } | |
| 881 //printf("\tlinkage = %d\n", sc.linkage); | |
| 882 | |
| 883 //printf(" sc.incontract = %d\n", sc.incontract); | |
| 884 if (semanticRun >= 3) | |
| 885 return; | |
| 886 semanticRun = 3; | |
| 887 | |
| 888 if (!type || type.ty != TY.Tfunction) | |
| 889 return; | |
| 890 f = cast(TypeFunction)(type); | |
| 891 | |
| 892 // Check the 'throws' clause | |
| 893 if (fthrows) | |
| 894 { | |
| 895 for (int i = 0; i < fthrows.dim; i++) | |
| 896 { | |
| 897 Type t = cast(Type)fthrows.data[i]; | |
| 898 | |
| 899 t = t.semantic(loc, sc); | |
| 900 if (!t.isClassHandle()) | |
| 901 error("can only throw classes, not %s", t.toChars()); | |
| 902 } | |
| 903 } | |
| 73 | 904 |
| 905 frequire = mergeFrequire(frequire); | |
| 906 fensure = mergeFensure(fensure); | |
| 0 | 907 |
| 908 if (fbody || frequire) | |
| 909 { | |
| 910 /* Symbol table into which we place parameters and nested functions, | |
| 911 * solely to diagnose name collisions. | |
| 912 */ | |
| 913 localsymtab = new DsymbolTable(); | |
| 914 | |
| 915 // Establish function scope | |
| 916 ScopeDsymbol ss = new ScopeDsymbol(); | |
| 917 ss.parent = sc.scopesym; | |
| 918 Scope sc2 = sc.push(ss); | |
| 919 sc2.func = this; | |
| 920 sc2.parent = this; | |
| 921 sc2.callSuper = 0; | |
| 922 sc2.sbreak = null; | |
| 923 sc2.scontinue = null; | |
| 924 sc2.sw = null; | |
| 925 sc2.fes = fes; | |
| 926 sc2.linkage = LINK.LINKd; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
927 sc2.stc &= ~(STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCabstract | STC.STCdeprecated | |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
928 STC.STC_TYPECTOR | STC.STCfinal | STC.STCtls | STC.STCgshared | STC.STCref | |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
929 STCproperty | STCsafe | STCtrusted | STCsystem); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
930 sc2.protection = PROT.PROTpublic; |
| 0 | 931 sc2.explicitProtection = 0; |
| 932 sc2.structalign = 8; | |
| 933 sc2.incontract = 0; | |
| 934 sc2.tf = null; | |
| 935 sc2.noctor = 0; | |
| 936 | |
| 937 // Declare 'this' | |
| 938 AggregateDeclaration ad = isThis(); | |
| 939 if (ad) | |
| 940 { VarDeclaration v; | |
| 941 | |
| 942 if (isFuncLiteralDeclaration() && isNested()) | |
| 943 { | |
| 944 error("literals cannot be class members"); | |
| 945 return; | |
| 946 } | |
| 947 else | |
| 948 { | |
| 949 assert(!isNested()); // can't be both member and nested | |
| 950 assert(ad.handle); | |
| 951 Type thandle = ad.handle; | |
| 952 version (STRUCTTHISREF) { | |
| 953 thandle = thandle.addMod(type.mod); | |
| 954 thandle = thandle.addStorageClass(storage_class); | |
| 955 if (isPure()) | |
| 956 thandle = thandle.addMod(MOD.MODconst); | |
| 957 } else { | |
| 958 if (storage_class & STC.STCconst || type.isConst()) | |
| 959 { | |
| 960 assert(0); // BUG: shared not handled | |
| 961 if (thandle.ty == TY.Tclass) | |
| 962 thandle = thandle.constOf(); | |
| 963 else | |
| 964 { assert(thandle.ty == TY.Tpointer); | |
| 965 thandle = thandle.nextOf().constOf().pointerTo(); | |
| 966 } | |
| 967 } | |
| 968 else if (storage_class & STC.STCimmutable || type.isInvariant()) | |
| 969 { | |
| 970 if (thandle.ty == TY.Tclass) | |
| 971 thandle = thandle.invariantOf(); | |
| 972 else | |
| 973 { assert(thandle.ty == TY.Tpointer); | |
| 974 thandle = thandle.nextOf().invariantOf().pointerTo(); | |
| 975 } | |
| 976 } | |
| 977 else if (storage_class & STC.STCshared || type.isShared()) | |
| 978 { | |
| 979 assert(0); // not implemented | |
| 980 } | |
| 981 } | |
| 982 v = new ThisDeclaration(loc, thandle); | |
| 983 v.storage_class |= STC.STCparameter; | |
| 984 version (STRUCTTHISREF) { | |
| 985 if (thandle.ty == TY.Tstruct) | |
| 986 v.storage_class |= STC.STCref; | |
| 987 } | |
| 988 v.semantic(sc2); | |
| 989 if (!sc2.insert(v)) | |
| 990 assert(0); | |
| 991 v.parent = this; | |
| 992 vthis = v; | |
| 993 } | |
| 994 } | |
| 995 else if (isNested()) | |
| 996 { | |
| 997 /* The 'this' for a nested function is the link to the | |
| 998 * enclosing function's stack frame. | |
| 999 * Note that nested functions and member functions are disjoint. | |
| 1000 */ | |
| 1001 VarDeclaration v = new ThisDeclaration(loc, Type.tvoid.pointerTo()); | |
| 1002 v.storage_class |= STC.STCparameter; | |
| 1003 v.semantic(sc2); | |
| 1004 if (!sc2.insert(v)) | |
| 1005 assert(0); | |
| 1006 v.parent = this; | |
| 1007 vthis = v; | |
| 1008 } | |
| 1009 | |
| 1010 // Declare hidden variable _arguments[] and _argptr | |
| 1011 if (f.varargs == 1) | |
| 1012 { | |
| 1013 version (TARGET_NET) { | |
| 1014 varArgs(sc2, f, argptr, _arguments); | |
| 1015 } else { | |
| 1016 Type t; | |
| 1017 | |
| 1018 if (f.linkage == LINK.LINKd) | |
| 1019 { | |
| 1020 // Declare _arguments[] | |
| 1021 version (BREAKABI) { | |
| 1022 v_arguments = new VarDeclaration(Loc(0), Type.typeinfotypelist.type, Id._arguments_typeinfo, null); | |
| 1023 v_arguments.storage_class = STCparameter; | |
| 1024 v_arguments.semantic(sc2); | |
| 1025 sc2.insert(v_arguments); | |
| 1026 v_arguments.parent = this; | |
| 1027 | |
| 1028 //t = Type.typeinfo.type.constOf().arrayOf(); | |
| 1029 t = Type.typeinfo.type.arrayOf(); | |
| 1030 _arguments = new VarDeclaration(Loc(0), t, Id._arguments, null); | |
| 1031 _arguments.semantic(sc2); | |
| 1032 sc2.insert(_arguments); | |
| 1033 _arguments.parent = this; | |
| 1034 } else { | |
| 1035 t = Type.typeinfo.type.arrayOf(); | |
| 1036 v_arguments = new VarDeclaration(Loc(0), t, Id._arguments, null); | |
| 1037 v_arguments.storage_class = STC.STCparameter | STC.STCin; | |
| 1038 v_arguments.semantic(sc2); | |
| 1039 sc2.insert(v_arguments); | |
| 1040 v_arguments.parent = this; | |
| 1041 } | |
| 1042 } | |
| 1043 if (f.linkage == LINK.LINKd || (parameters && parameters.dim)) | |
| 1044 { // Declare _argptr | |
| 1045 version (IN_GCC) { | |
| 1046 t = d_gcc_builtin_va_list_d_type; | |
| 1047 } else { | |
| 1048 t = Type.tvoid.pointerTo(); | |
| 1049 } | |
| 1050 argptr = new VarDeclaration(Loc(0), t, Id._argptr, null); | |
| 1051 argptr.semantic(sc2); | |
| 1052 sc2.insert(argptr); | |
| 1053 argptr.parent = this; | |
| 1054 } | |
| 1055 } | |
| 1056 } | |
| 1057 | |
| 1058 // Propagate storage class from tuple parameters to their element-parameters. | |
| 1059 if (f.parameters) | |
| 1060 { | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
122
diff
changeset
|
1061 foreach (arg; f.parameters) |
|
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
122
diff
changeset
|
1062 { |
| 0 | 1063 //printf("[%d] arg.type.ty = %d %s\n", i, arg.type.ty, arg.type.toChars()); |
| 1064 if (arg.type.ty == TY.Ttuple) | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
122
diff
changeset
|
1065 { auto t = cast(TypeTuple)arg.type; |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1066 size_t dim = Parameter.dim(t.arguments); |
| 0 | 1067 for (size_t j = 0; j < dim; j++) |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1068 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1069 auto narg = Parameter.getNth(t.arguments, j); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1070 narg.storageClass = arg.storageClass; |
| 0 | 1071 } |
| 1072 } | |
| 1073 } | |
| 1074 } | |
| 1075 | |
| 1076 /* Declare all the function parameters as variables | |
| 1077 * and install them in parameters[] | |
| 1078 */ | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1079 size_t nparams = Parameter.dim(f.parameters); |
| 0 | 1080 if (nparams) |
| 1081 { /* parameters[] has all the tuples removed, as the back end | |
| 1082 * doesn't know about tuples | |
| 1083 */ | |
| 1084 parameters = new Dsymbols(); | |
| 1085 parameters.reserve(nparams); | |
| 1086 for (size_t i = 0; i < nparams; i++) | |
| 1087 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1088 auto arg = Parameter.getNth(f.parameters, i); |
| 0 | 1089 Identifier id = arg.ident; |
| 1090 if (!id) | |
| 1091 { | |
| 1092 /* Generate identifier for un-named parameter, | |
| 1093 * because we need it later on. | |
| 1094 */ | |
| 1095 arg.ident = id = Identifier.generateId("_param_", i); | |
| 1096 } | |
| 1097 Type vtype = arg.type; | |
| 1098 if (isPure()) | |
| 1099 vtype = vtype.addMod(MOD.MODconst); | |
| 1100 VarDeclaration v = new VarDeclaration(loc, vtype, id, null); | |
| 1101 //printf("declaring parameter %s of type %s\n", v.toChars(), v.type.toChars()); | |
| 1102 v.storage_class |= STC.STCparameter; | |
| 1103 if (f.varargs == 2 && i + 1 == nparams) | |
| 1104 v.storage_class |= STC.STCvariadic; | |
| 1105 v.storage_class |= arg.storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy | STC.STCfinal | STC.STC_TYPECTOR | STC.STCnodtor); | |
| 1106 v.semantic(sc2); | |
| 1107 if (!sc2.insert(v)) | |
| 1108 error("parameter %s.%s is already defined", toChars(), v.toChars()); | |
| 1109 else | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
73
diff
changeset
|
1110 parameters.push(v); |
| 0 | 1111 localsymtab.insert(v); |
| 1112 v.parent = this; | |
| 1113 } | |
| 1114 } | |
| 1115 | |
| 1116 // Declare the tuple symbols and put them in the symbol table, | |
| 1117 // but not in parameters[]. | |
| 1118 if (f.parameters) | |
| 1119 { | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
122
diff
changeset
|
1120 foreach (arg; f.parameters) |
|
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
122
diff
changeset
|
1121 { |
| 0 | 1122 if (!arg.ident) |
| 1123 continue; // never used, so ignore | |
| 1124 if (arg.type.ty == TY.Ttuple) | |
|
126
1765f3ef917d
ClassDeclarations, Arguments -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
122
diff
changeset
|
1125 { auto t = cast(TypeTuple)arg.type; |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1126 size_t dim = Parameter.dim(t.arguments); |
| 0 | 1127 Objects exps = new Objects(); |
| 1128 exps.setDim(dim); | |
| 1129 for (size_t j = 0; j < dim; j++) | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1130 { auto narg = Parameter.getNth(t.arguments, j); |
| 0 | 1131 assert(narg.ident); |
| 1132 VarDeclaration v = sc2.search(Loc(0), narg.ident, null).isVarDeclaration(); | |
| 1133 assert(v); | |
| 1134 Expression e = new VarExp(v.loc, v); | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
93
diff
changeset
|
1135 exps[j] = e; |
| 0 | 1136 } |
| 1137 assert(arg.ident); | |
|
94
3a0b150c9841
Objects -> Vector!Object iteration 1
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
93
diff
changeset
|
1138 auto v = new TupleDeclaration(loc, arg.ident, exps); |
| 0 | 1139 //printf("declaring tuple %s\n", v.toChars()); |
| 1140 v.isexp = 1; | |
| 1141 if (!sc2.insert(v)) | |
| 1142 error("parameter %s.%s is already defined", toChars(), v.toChars()); | |
| 1143 localsymtab.insert(v); | |
| 1144 v.parent = this; | |
| 1145 } | |
| 1146 } | |
| 1147 } | |
| 1148 | |
| 1149 /* Do the semantic analysis on the [in] preconditions and | |
| 1150 * [out] postconditions. | |
| 1151 */ | |
| 1152 sc2.incontract++; | |
| 1153 | |
| 1154 if (frequire) | |
| 1155 { /* frequire is composed of the [in] contracts | |
| 1156 */ | |
| 1157 // BUG: need to error if accessing out parameters | |
| 1158 // BUG: need to treat parameters as const | |
| 1159 // BUG: need to disallow returns and throws | |
| 1160 // BUG: verify that all in and ref parameters are read | |
| 1161 frequire = frequire.semantic(sc2); | |
| 1162 labtab = null; // so body can't refer to labels | |
| 1163 } | |
| 1164 | |
| 1165 if (fensure || addPostInvariant()) | |
| 79 | 1166 { |
| 1167 /* fensure is composed of the [out] contracts | |
| 0 | 1168 */ |
| 79 | 1169 if (!type.nextOf()) // if return type is inferred |
| 1170 { | |
| 1171 /* This case: | |
| 1172 * auto fp = function() out { } body { }; | |
| 1173 * Can fix by doing semantic() onf fbody first. | |
| 1174 */ | |
| 1175 error("post conditions are not supported if the return type is inferred"); | |
| 1176 return; | |
| 1177 } | |
| 1178 | |
| 0 | 1179 ScopeDsymbol sym = new ScopeDsymbol(); |
| 1180 sym.parent = sc2.scopesym; | |
| 1181 sc2 = sc2.push(sym); | |
| 1182 | |
| 1183 assert(type.nextOf()); | |
| 1184 if (type.nextOf().ty == TY.Tvoid) | |
| 1185 { | |
| 1186 if (outId) | |
| 1187 error("void functions have no result"); | |
| 1188 } | |
| 1189 else | |
| 1190 { | |
| 1191 if (!outId) | |
| 1192 outId = Id.result; // provide a default | |
| 1193 } | |
| 1194 | |
| 1195 if (outId) | |
| 1196 { // Declare result variable | |
| 1197 Loc loc = this.loc; | |
| 1198 | |
| 1199 if (fensure) | |
| 1200 loc = fensure.loc; | |
| 1201 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1202 auto v = new VarDeclaration(loc, type.nextOf(), outId, null); |
| 0 | 1203 v.noauto = true; |
| 1204 version (DMDV2) { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1205 if (!isVirtual()) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1206 v.storage_class |= STC.STCconst; |
| 0 | 1207 if (f.isref) |
| 1208 { | |
| 1209 v.storage_class |= STC.STCref | STC.STCforeach; | |
| 1210 } | |
| 1211 } | |
| 1212 sc2.incontract--; | |
| 1213 v.semantic(sc2); | |
| 1214 sc2.incontract++; | |
| 1215 if (!sc2.insert(v)) | |
| 1216 error("out result %s is already defined", v.toChars()); | |
| 1217 v.parent = this; | |
| 1218 vresult = v; | |
| 1219 | |
| 1220 // vresult gets initialized with the function return value | |
| 1221 // in ReturnStatement.semantic() | |
| 1222 } | |
| 1223 | |
| 1224 // BUG: need to treat parameters as const | |
| 1225 // BUG: need to disallow returns and throws | |
| 1226 if (fensure) | |
| 1227 { fensure = fensure.semantic(sc2); | |
| 1228 labtab = null; // so body can't refer to labels | |
| 1229 } | |
| 1230 | |
| 1231 if (!global.params.useOut) | |
| 1232 { fensure = null; // discard | |
| 1233 vresult = null; | |
| 1234 } | |
| 1235 | |
| 1236 // Postcondition invariant | |
| 1237 if (addPostInvariant()) | |
| 1238 { | |
| 1239 Expression e = null; | |
| 1240 if (isCtorDeclaration()) | |
| 1241 { | |
| 1242 // Call invariant directly only if it exists | |
| 1243 InvariantDeclaration inv = ad.inv; | |
| 1244 ClassDeclaration cd = ad.isClassDeclaration(); | |
| 1245 | |
| 1246 while (!inv && cd) | |
| 1247 { | |
| 1248 cd = cd.baseClass; | |
| 1249 if (!cd) | |
| 1250 break; | |
| 1251 inv = cd.inv; | |
| 1252 } | |
| 1253 if (inv) | |
| 1254 { | |
| 1255 e = new DsymbolExp(Loc(0), inv); | |
| 1256 e = new CallExp(Loc(0), e); | |
| 1257 e = e.semantic(sc2); | |
| 1258 } | |
| 1259 } | |
| 1260 else | |
| 1261 { // Call invariant virtually | |
| 1262 Expression v = new ThisExp(Loc(0)); | |
| 1263 v.type = vthis.type; | |
| 1264 version (STRUCTTHISREF) { | |
| 1265 if (ad.isStructDeclaration()) | |
| 1266 v = v.addressOf(sc); | |
| 1267 } | |
| 1268 e = new AssertExp(Loc(0), v); | |
| 1269 } | |
| 1270 if (e) | |
| 1271 { | |
| 1272 ExpStatement s = new ExpStatement(Loc(0), e); | |
| 1273 if (fensure) | |
| 1274 fensure = new CompoundStatement(Loc(0), s, fensure); | |
| 1275 else | |
| 1276 fensure = s; | |
| 1277 } | |
| 1278 } | |
| 1279 | |
| 1280 if (fensure) | |
| 1281 { returnLabel = new LabelDsymbol(Id.returnLabel); | |
| 1282 LabelStatement ls = new LabelStatement(Loc(0), Id.returnLabel, fensure); | |
| 1283 ls.isReturnLabel = 1; | |
| 1284 returnLabel.statement = ls; | |
| 1285 } | |
| 1286 sc2 = sc2.pop(); | |
| 1287 } | |
| 1288 | |
| 1289 sc2.incontract--; | |
| 1290 | |
| 1291 if (fbody) | |
| 1292 { ClassDeclaration cd = isClassMember(); | |
| 1293 | |
| 1294 /* If this is a class constructor | |
| 1295 */ | |
| 1296 if (isCtorDeclaration() && cd) | |
| 1297 { | |
| 79 | 1298 for (int i = 0; i < cd.fields.dim; i++) |
| 1299 { VarDeclaration v = cast(VarDeclaration)cd.fields[i]; | |
| 1300 | |
| 1301 v.ctorinit = 0; | |
| 1302 } | |
| 0 | 1303 } |
| 1304 | |
| 1305 if (inferRetType || f.retStyle() != RET.RETstack) | |
| 1306 nrvo_can = 0; | |
| 1307 | |
| 1308 fbody = fbody.semantic(sc2); | |
| 1309 if (!fbody) | |
| 1310 fbody = new CompoundStatement(Loc(0), new Statements()); | |
| 1311 | |
| 1312 if (inferRetType) | |
| 1313 { // If no return type inferred yet, then infer a void | |
| 1314 if (!type.nextOf()) | |
| 1315 { | |
| 1316 (cast(TypeFunction)type).next = Type.tvoid; | |
| 1317 type = type.semantic(loc, sc); | |
| 1318 } | |
| 1319 f = cast(TypeFunction)type; | |
| 1320 } | |
| 1321 | |
| 1322 if (isStaticCtorDeclaration()) | |
| 1323 { | |
| 1324 /* It's a static constructor. Ensure that all | |
| 1325 * ctor consts were initialized. | |
| 1326 */ | |
| 1327 | |
| 1328 Dsymbol p = toParent(); | |
| 1329 ScopeDsymbol add = p.isScopeDsymbol(); | |
| 1330 if (!add) | |
| 1331 { | |
| 1332 error("static constructor can only be member of struct/class/module, not %s %s", p.kind(), p.toChars()); | |
| 1333 } | |
| 1334 else | |
| 1335 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
1336 foreach (Dsymbol s; add.members) |
|
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
1337 { |
| 0 | 1338 s.checkCtorConstInit(); |
| 1339 } | |
| 1340 } | |
| 1341 } | |
| 1342 | |
| 1343 if (isCtorDeclaration() && cd) | |
| 1344 { | |
| 1345 //printf("callSuper = x%x\n", sc2.callSuper); | |
| 1346 | |
| 1347 // Verify that all the ctorinit fields got initialized | |
| 1348 if (!(sc2.callSuper & CSX.CSXthis_ctor)) | |
| 1349 { | |
| 1350 for (int i = 0; i < cd.fields.dim; i++) | |
| 79 | 1351 { VarDeclaration v = cast(VarDeclaration)cd.fields[i]; |
| 0 | 1352 |
| 1353 if (v.ctorinit == 0 && v.isCtorinit()) | |
| 1354 error("missing initializer for final field %s", v.toChars()); | |
| 1355 } | |
| 1356 } | |
| 1357 | |
| 1358 if (!(sc2.callSuper & CSX.CSXany_ctor) && | |
| 1359 cd.baseClass && cd.baseClass.ctor) | |
| 1360 { | |
| 1361 sc2.callSuper = 0; | |
| 1362 | |
| 1363 // Insert implicit super() at start of fbody | |
| 1364 Expression e1 = new SuperExp(Loc(0)); | |
| 1365 Expression e = new CallExp(Loc(0), e1); | |
| 1366 | |
| 1367 e = e.trySemantic(sc2); | |
| 1368 if (!e) | |
| 1369 error("no match for implicit super() call in constructor"); | |
| 1370 else | |
| 1371 { | |
| 1372 Statement s = new ExpStatement(Loc(0), e); | |
| 1373 fbody = new CompoundStatement(Loc(0), s, fbody); | |
| 1374 } | |
| 1375 } | |
| 1376 } | |
| 1377 else if (fes) | |
| 1378 { // For foreach(){} body, append a return 0; | |
| 1379 Expression e = new IntegerExp(0); | |
| 1380 Statement s = new ReturnStatement(Loc(0), e); | |
| 1381 fbody = new CompoundStatement(Loc(0), fbody, s); | |
| 1382 assert(!returnLabel); | |
| 1383 } | |
| 1384 else if (!hasReturnExp && type.nextOf().ty != TY.Tvoid) | |
| 1385 error("expected to return a value of type %s", type.nextOf().toChars()); | |
| 1386 else if (!inlineAsm) | |
| 1387 { | |
| 1388 version (DMDV2) { | |
| 1389 BE blockexit = fbody ? fbody.blockExit() : BE.BEfallthru; | |
| 1390 if (f.isnothrow && blockexit & BE.BEthrow) | |
| 1391 error("'%s' is nothrow yet may throw", toChars()); | |
| 1392 | |
| 1393 int offend = blockexit & BE.BEfallthru; | |
| 1394 } | |
| 1395 if (type.nextOf().ty == TY.Tvoid) | |
| 1396 { | |
| 1397 if (offend && isMain()) | |
| 1398 { // Add a return 0; statement | |
| 1399 Statement s = new ReturnStatement(Loc(0), new IntegerExp(0)); | |
| 1400 fbody = new CompoundStatement(Loc(0), fbody, s); | |
| 1401 } | |
| 1402 } | |
| 1403 else | |
| 1404 { | |
| 1405 if (offend) | |
| 1406 { | |
| 1407 Expression e; | |
| 1408 version (DMDV1) { | |
| 1409 warning(loc, "no return exp; or assert(0); at end of function"); | |
| 1410 } else { | |
| 1411 error("no return exp; or assert(0); at end of function"); | |
| 1412 } | |
| 1413 if (global.params.useAssert && | |
| 1414 !global.params.useInline) | |
| 1415 { /* Add an assert(0, msg); where the missing return | |
| 1416 * should be. | |
| 1417 */ | |
| 1418 e = new AssertExp( | |
| 1419 endloc, | |
| 1420 new IntegerExp(0), | |
| 1421 new StringExp(loc, "missing return expression") | |
| 1422 ); | |
| 1423 } | |
| 1424 else | |
| 1425 e = new HaltExp(endloc); | |
| 1426 | |
| 1427 e = new CommaExp(Loc(0), e, type.nextOf().defaultInit(Loc(0))); | |
| 1428 e = e.semantic(sc2); | |
| 1429 Statement s = new ExpStatement(Loc(0), e); | |
| 1430 fbody = new CompoundStatement(Loc(0), fbody, s); | |
| 1431 } | |
| 1432 } | |
| 1433 } | |
| 1434 } | |
| 1435 | |
| 1436 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1437 auto a = new Statements(); |
| 0 | 1438 |
| 1439 // Merge in initialization of 'out' parameters | |
| 1440 if (parameters) | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
1441 { foreach (Dsymbol s; parameters) |
| 0 | 1442 { |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
1443 auto v = cast(VarDeclaration)s; |
| 0 | 1444 if (v.storage_class & STC.STCout) |
| 1445 { | |
| 1446 assert(v.init); | |
| 1447 ExpInitializer ie = v.init.isExpInitializer(); | |
| 1448 assert(ie); | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1449 a.push(new ExpStatement(Loc(0), ie.exp)); |
| 0 | 1450 } |
| 1451 } | |
| 1452 } | |
| 1453 | |
| 1454 if (argptr) | |
| 1455 { // Initialize _argptr to point past non-variadic arg | |
| 1456 version (IN_GCC) { | |
| 73 | 1457 // Handled in FuncDeclaration.toObjFile |
| 1458 v_argptr = argptr; | |
| 1459 v_argptr.init = new VoidInitializer(loc); | |
| 0 | 1460 } else { |
| 73 | 1461 Type t = argptr.type; |
| 1462 VarDeclaration p; | |
| 1463 uint offset; | |
| 1464 | |
| 1465 Expression e1 = new VarExp(Loc(0), argptr); | |
| 1466 if (parameters && parameters.dim) | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
1467 p = cast(VarDeclaration)parameters[parameters.length - 1]; |
| 73 | 1468 else |
| 1469 p = v_arguments; // last parameter is _arguments[] | |
| 1470 if (p.storage_class & STClazy) | |
| 1471 // If the last parameter is lazy, it's the size of a delegate | |
| 1472 offset = PTRSIZE * 2; | |
| 1473 else | |
| 1474 offset = cast(size_t)p.type.size(); | |
| 1475 offset = (offset + 3) & ~3; // assume stack aligns on 4 | |
| 1476 Expression e = new SymOffExp(Loc(0), p, offset); | |
| 1477 e = new AssignExp(Loc(0), e1, e); | |
| 1478 e.type = t; | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1479 a.push(new ExpStatement(Loc(0), e)); |
| 98 | 1480 p.isargptr = true; |
| 0 | 1481 } |
| 1482 } | |
| 1483 | |
| 1484 if (_arguments) | |
| 1485 { | |
| 1486 /* Advance to elements[] member of TypeInfo_Tuple with: | |
| 1487 * _arguments = v_arguments.elements; | |
| 1488 */ | |
| 1489 Expression e = new VarExp(Loc(0), v_arguments); | |
| 1490 e = new DotIdExp(Loc(0), e, Id.elements); | |
| 1491 Expression e1 = new VarExp(Loc(0), _arguments); | |
| 1492 e = new AssignExp(Loc(0), e1, e); | |
| 1493 e.op = TOK.TOKconstruct; | |
| 1494 e = e.semantic(sc2); | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1495 a.push(new ExpStatement(Loc(0), e)); |
| 0 | 1496 } |
| 1497 | |
| 1498 // Merge contracts together with body into one compound statement | |
| 1499 | |
| 1500 version (_DH) { | |
| 1501 if (frequire && global.params.useIn) | |
| 1502 { frequire.incontract = 1; | |
| 1503 a.push(frequire); | |
| 1504 } | |
| 1505 } else { | |
| 1506 if (frequire && global.params.useIn) | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1507 a.push(frequire); |
| 0 | 1508 } |
| 1509 | |
| 1510 // Precondition invariant | |
| 1511 if (addPreInvariant()) | |
| 1512 { | |
| 1513 Expression e = null; | |
| 1514 if (isDtorDeclaration()) | |
| 1515 { | |
| 1516 // Call invariant directly only if it exists | |
| 1517 InvariantDeclaration inv = ad.inv; | |
| 1518 ClassDeclaration cd = ad.isClassDeclaration(); | |
| 1519 | |
| 1520 while (!inv && cd) | |
| 1521 { | |
| 1522 cd = cd.baseClass; | |
| 1523 if (!cd) | |
| 1524 break; | |
| 1525 inv = cd.inv; | |
| 1526 } | |
| 1527 if (inv) | |
| 1528 { | |
| 1529 e = new DsymbolExp(Loc(0), inv); | |
| 1530 e = new CallExp(Loc(0), e); | |
| 1531 e = e.semantic(sc2); | |
| 1532 } | |
| 1533 } | |
| 1534 else | |
| 1535 { // Call invariant virtually | |
| 1536 Expression v = new ThisExp(Loc(0)); | |
| 1537 v.type = vthis.type; | |
| 1538 version (STRUCTTHISREF) { | |
| 1539 if (ad.isStructDeclaration()) | |
| 1540 v = v.addressOf(sc); | |
| 1541 } | |
| 1542 Expression se = new StringExp(Loc(0), "null this"); | |
| 1543 se = se.semantic(sc); | |
| 1544 se.type = Type.tchar.arrayOf(); | |
| 1545 e = new AssertExp(loc, v, se); | |
| 1546 } | |
| 1547 if (e) | |
| 1548 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1549 auto s = new ExpStatement(Loc(0), e); |
|
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1550 a.push(s); |
| 0 | 1551 } |
| 1552 } | |
| 1553 | |
| 1554 if (fbody) | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1555 a.push(fbody); |
| 0 | 1556 |
| 1557 if (fensure) | |
| 1558 { | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1559 a.push(returnLabel.statement); |
| 0 | 1560 |
| 1561 if (type.nextOf().ty != TY.Tvoid) | |
| 1562 { | |
| 1563 // Create: return vresult; | |
| 1564 assert(vresult); | |
| 1565 Expression e = new VarExp(Loc(0), vresult); | |
| 1566 if (tintro) | |
| 1567 { e = e.implicitCastTo(sc, tintro.nextOf()); | |
| 1568 e = e.semantic(sc); | |
| 1569 } | |
|
122
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1570 auto s = new ReturnStatement(Loc(0), e); |
|
c77e9f4f1793
Statements -> Vector
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
1571 a.push(s); |
| 0 | 1572 } |
| 1573 } | |
| 1574 | |
| 1575 fbody = new CompoundStatement(Loc(0), a); | |
| 1576 version (DMDV2) { | |
| 1577 /* Append destructor calls for parameters as finally blocks. | |
| 1578 */ | |
| 1579 if (parameters) | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
1580 { foreach(Dsymbol symb; parameters) |
| 0 | 1581 { |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
1582 auto v = cast(VarDeclaration)symb; |
| 0 | 1583 |
| 1584 if (v.storage_class & (STC.STCref | STC.STCout)) | |
| 1585 continue; | |
| 1586 | |
| 1587 /* Don't do this for static arrays, since static | |
| 1588 * arrays are called by reference. Remove this | |
| 1589 * when we change them to call by value. | |
| 1590 */ | |
| 1591 if (v.type.toBasetype().ty == TY.Tsarray) | |
| 1592 continue; | |
| 1593 | |
| 1594 Expression e = v.callAutoDtor(sc); | |
| 1595 if (e) | |
| 1596 { Statement s = new ExpStatement(Loc(0), e); | |
| 1597 s = s.semantic(sc); | |
| 1598 if (fbody.blockExit() == BE.BEfallthru) | |
| 1599 fbody = new CompoundStatement(Loc(0), fbody, s); | |
| 1600 else | |
| 1601 fbody = new TryFinallyStatement(Loc(0), fbody, s); | |
| 1602 } | |
| 1603 } | |
| 1604 } | |
| 1605 } | |
| 1606 | |
| 1607 static if (true) { | |
| 1608 if (isSynchronized()) | |
| 1609 { /* Wrap the entire function body in a synchronized statement | |
| 1610 */ | |
| 1611 ClassDeclaration cd = parent.isClassDeclaration(); | |
| 1612 if (cd) | |
| 1613 { | |
| 1614 ///version (TARGET_WINDOS) { | |
| 1615 if (/*config.flags2 & CFG2.CFG2seh &&*/ // always on for WINDOS | |
| 1616 !isStatic() && !fbody.usesEH()) | |
| 1617 { | |
| 1618 /* The back end uses the "jmonitor" hack for syncing; | |
| 1619 * no need to do the sync at this level. | |
| 1620 */ | |
| 1621 } | |
| 1622 else | |
| 1623 ///} | |
| 1624 { | |
| 1625 Expression vsync; | |
| 1626 if (isStatic()) | |
| 1627 { | |
| 1628 // The monitor is in the ClassInfo | |
| 1629 vsync = new DotIdExp(loc, new DsymbolExp(loc, cd), Id.classinfo_); | |
| 1630 } | |
| 1631 else | |
| 1632 { // 'this' is the monitor | |
| 1633 vsync = new VarExp(loc, vthis); | |
| 1634 } | |
| 1635 fbody = new PeelStatement(fbody); // don't redo semantic() | |
| 1636 fbody = new SynchronizedStatement(loc, vsync, fbody); | |
| 1637 fbody = fbody.semantic(sc2); | |
| 1638 } | |
| 1639 } | |
| 1640 else | |
| 1641 { | |
| 1642 error("synchronized function %s must be a member of a class", toChars()); | |
| 1643 } | |
| 1644 } | |
| 1645 } | |
| 1646 } | |
| 1647 | |
| 1648 sc2.callSuper = 0; | |
| 1649 sc2.pop(); | |
| 1650 } | |
| 1651 semanticRun = 4; | |
| 1652 } | |
| 1653 | |
| 1654 // called from semantic3 | |
| 1655 void varArgs(Scope sc, TypeFunction, ref VarDeclaration, ref VarDeclaration) | |
| 1656 { | |
| 1657 assert(false); | |
| 1658 } | |
|
93
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1659 |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1660 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 1661 { |
|
93
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1662 // writef("FuncDeclaration.toCBuffer() '%s'\n", toChars()); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1663 |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1664 StorageClassDeclaration.stcToCBuffer(buf, storage_class); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1665 type.toCBuffer(buf, ident, hgs); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1666 bodyToCBuffer(buf, hgs); |
| 0 | 1667 } |
| 1668 | |
|
93
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1669 void bodyToCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 1670 { |
|
93
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1671 if (fbody && |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1672 (!hgs.hdrgen || hgs.tpltMember || canInline(1,1)) |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1673 ) |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1674 { |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1675 buf.writenl(); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1676 |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1677 // in{} |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1678 if (frequire) |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1679 { |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1680 buf.writestring("in"); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1681 buf.writenl(); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1682 frequire.toCBuffer(buf, hgs); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1683 } |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1684 |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1685 // out{} |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1686 if (fensure) |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1687 { |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1688 buf.writestring("out"); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1689 if (outId) |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1690 { |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1691 buf.writebyte('('); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1692 buf.writestring(outId.toChars()); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1693 buf.writebyte(')'); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1694 } |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1695 buf.writenl(); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1696 fensure.toCBuffer(buf, hgs); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1697 } |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1698 |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1699 if (frequire || fensure) |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1700 { |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1701 buf.writestring("body"); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1702 buf.writenl(); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1703 } |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1704 |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1705 buf.writebyte('{'); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1706 buf.writenl(); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1707 fbody.toCBuffer(buf, hgs); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1708 buf.writebyte('}'); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1709 buf.writenl(); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1710 } |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1711 else |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1712 { buf.writeByte(';'); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1713 buf.writenl(); |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
91
diff
changeset
|
1714 } |
| 0 | 1715 } |
| 1716 | |
| 1717 /**************************************************** | |
| 1718 * Determine if 'this' overrides fd. | |
| 1719 * Return true if it does. | |
| 1720 */ | |
| 1721 bool overrides(FuncDeclaration fd) | |
| 1722 { | |
| 1723 bool result = false; | |
| 1724 | |
| 1725 if (fd.ident == ident) | |
| 1726 { | |
| 1727 int cov = type.covariant(fd.type); | |
| 1728 if (cov) | |
| 1729 { | |
| 1730 ClassDeclaration cd1 = toParent().isClassDeclaration(); | |
| 1731 ClassDeclaration cd2 = fd.toParent().isClassDeclaration(); | |
| 1732 | |
| 1733 if (cd1 && cd2 && cd2.isBaseOf(cd1, null)) | |
| 1734 result = true; | |
| 1735 } | |
| 1736 } | |
| 1737 return result; | |
| 1738 } | |
| 1739 | |
| 1740 /************************************************* | |
| 1741 * Find index of function in vtbl[0..dim] that | |
| 1742 * this function overrides. | |
| 1743 * Returns: | |
| 1744 * -1 didn't find one | |
| 1745 * -2 can't determine because of forward references | |
| 1746 */ | |
| 1747 int findVtblIndex(Array vtbl, int dim) | |
| 1748 { | |
| 1749 for (int vi = 0; vi < dim; vi++) | |
| 1750 { | |
| 1751 FuncDeclaration fdv = (cast(Dsymbol)vtbl.data[vi]).isFuncDeclaration(); | |
| 1752 if (fdv && fdv.ident is ident) | |
| 1753 { | |
| 1754 int cov = type.covariant(fdv.type); | |
| 1755 //printf("\tbaseclass cov = %d\n", cov); | |
| 1756 switch (cov) | |
| 1757 { | |
| 1758 case 0: // types are distinct | |
| 1759 break; | |
| 1760 | |
| 1761 case 1: | |
| 1762 return vi; | |
| 1763 | |
| 1764 case 2: | |
| 1765 //type.print(); | |
| 1766 //fdv.type.print(); | |
| 1767 //printf("%s %s\n", type.deco, fdv.type.deco); | |
| 1768 error("of type %s overrides but is not covariant with %s of type %s", | |
| 1769 type.toChars(), fdv.toPrettyChars(), fdv.type.toChars()); | |
| 1770 break; | |
| 1771 | |
| 1772 case 3: | |
| 1773 return -2; // forward references | |
| 1774 } | |
| 1775 } | |
| 1776 } | |
| 1777 return -1; | |
| 1778 } | |
| 1779 | |
| 1780 /**************************************************** | |
| 1781 * Overload this FuncDeclaration with the new one f. | |
| 1782 * Return !=0 if successful; i.e. no conflict. | |
| 1783 */ | |
| 72 | 1784 override bool overloadInsert(Dsymbol s) |
| 0 | 1785 { |
| 1786 FuncDeclaration f; | |
| 1787 AliasDeclaration a; | |
| 1788 | |
| 1789 //writef("FuncDeclaration.overloadInsert(%s)\n", s.toChars()); | |
| 1790 a = s.isAliasDeclaration(); | |
| 1791 if (a) | |
| 1792 { | |
| 1793 if (overnext) | |
| 1794 return overnext.overloadInsert(a); | |
| 1795 | |
| 1796 if (!a.aliassym && a.type.ty != TY.Tident && a.type.ty != TY.Tinstance) | |
| 1797 { | |
| 1798 //writef("\ta = '%s'\n", a.type.toChars()); | |
| 1799 return false; | |
| 1800 } | |
| 1801 overnext = a; | |
| 1802 //printf("\ttrue: no conflict\n"); | |
| 1803 return true; | |
| 1804 } | |
| 1805 f = s.isFuncDeclaration(); | |
| 1806 if (!f) | |
| 1807 return false; | |
| 1808 | |
| 1809 static if (false) { | |
| 1810 /* Disable this check because: | |
| 1811 * const void foo(); | |
| 1812 * semantic() isn't run yet on foo(), so the const hasn't been | |
| 1813 * applied yet. | |
| 1814 */ | |
| 1815 if (type) | |
| 1816 { | |
| 1817 printf("type = %s\n", type.toChars()); | |
| 1818 printf("f.type = %s\n", f.type.toChars()); | |
| 1819 } | |
| 1820 if (type && f.type && // can be null for overloaded constructors | |
| 1821 f.type.covariant(type) && | |
| 1822 f.type.mod == type.mod && | |
| 1823 !isFuncAliasDeclaration()) | |
| 1824 { | |
| 1825 //printf("\tfalse: conflict %s\n", kind()); | |
| 1826 return false; | |
| 1827 } | |
| 1828 } | |
| 1829 | |
| 1830 if (overnext) | |
| 1831 return overnext.overloadInsert(f); | |
| 1832 overnext = f; | |
| 1833 //printf("\ttrue: no conflict\n"); | |
| 1834 return true; | |
| 1835 } | |
| 1836 | |
| 1837 FuncDeclaration overloadExactMatch(Type t) | |
| 1838 { | |
| 1839 Param1 p; | |
| 1840 p.t = t; | |
| 1841 p.f = null; | |
|
17
ddae60498573
Implemented mixin statements, DefaultInitExps, FileInitExps, LineInitExps and __traits.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1842 overloadApply(this, &p.fp1, &p); |
| 0 | 1843 return p.f; |
| 1844 } | |
| 1845 | |
| 1846 FuncDeclaration overloadResolve(Loc loc, Expression ethis, Expressions arguments, int flags = 0) | |
| 1847 { | |
| 1848 TypeFunction tf; | |
| 1849 Match m; | |
| 1850 | |
| 1851 static if (false) { | |
| 1852 printf("FuncDeclaration.overloadResolve('%s')\n", toChars()); | |
| 1853 if (arguments) | |
| 1854 { | |
| 1855 int i; | |
| 1856 | |
| 1857 for (i = 0; i < arguments.dim; i++) | |
| 1858 { | |
| 1859 Expression arg; | |
| 1860 | |
| 1861 arg = cast(Expression)arguments.data[i]; | |
| 1862 assert(arg.type); | |
| 1863 printf("\t%s: ", arg.toChars()); | |
| 1864 arg.type.print(); | |
| 1865 } | |
| 1866 } | |
| 1867 } | |
| 1868 | |
| 1869 m.last = MATCH.MATCHnomatch; | |
| 1870 overloadResolveX(&m, this, ethis, arguments); | |
| 1871 | |
| 1872 if (m.count == 1) // exactly one match | |
| 1873 { | |
| 1874 return m.lastf; | |
| 1875 } | |
| 1876 else | |
| 1877 { | |
| 1878 scope OutBuffer buf = new OutBuffer(); | |
| 1879 | |
| 1880 buf.writeByte('('); | |
| 1881 if (arguments) | |
| 1882 { | |
| 1883 HdrGenState hgs; | |
| 1884 | |
| 1885 argExpTypesToCBuffer(buf, arguments, &hgs); | |
| 1886 buf.writeByte(')'); | |
| 1887 if (ethis) | |
| 1888 ethis.type.modToBuffer(buf); | |
| 1889 } | |
| 1890 else | |
| 1891 buf.writeByte(')'); | |
| 1892 | |
| 1893 if (m.last == MATCH.MATCHnomatch) | |
| 1894 { | |
| 1895 if (flags & 1) // if do not print error messages | |
| 1896 return null; // no match | |
| 1897 | |
| 1898 tf = cast(TypeFunction)type; | |
| 1899 | |
| 1900 scope OutBuffer buf2 = new OutBuffer(); | |
| 1901 tf.modToBuffer(buf2); | |
| 1902 | |
| 1903 //printf("tf = %s, args = %s\n", tf.deco, ((Expression *)arguments.data[0]).type.deco); | |
| 1904 error(loc, "%s%s is not callable using argument types %s", | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1905 Parameter.argsTypesToChars(tf.parameters, tf.varargs), |
| 0 | 1906 buf2.toChars(), |
| 1907 buf.toChars()); | |
| 1908 return m.anyf; // as long as it's not a FuncAliasDeclaration | |
| 1909 } | |
| 1910 else | |
| 1911 { | |
| 1912 static if (true) { | |
| 1913 TypeFunction t1 = cast(TypeFunction)m.lastf.type; | |
| 1914 TypeFunction t2 = cast(TypeFunction)m.nextf.type; | |
| 1915 | |
| 1916 error(loc, "called with argument types:\n\t(%s)\nmatches both:\n\t%s%s\nand:\n\t%s%s", | |
| 1917 buf.toChars(), | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1918 m.lastf.toPrettyChars(), Parameter.argsTypesToChars(t1.parameters, t1.varargs), |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1919 m.nextf.toPrettyChars(), Parameter.argsTypesToChars(t2.parameters, t2.varargs)); |
| 0 | 1920 } else { |
| 1921 error(loc, "overloads %s and %s both match argument list for %s", | |
| 1922 m.lastf.type.toChars(), | |
| 1923 m.nextf.type.toChars(), | |
| 1924 m.lastf.toChars()); | |
| 1925 } | |
| 1926 return m.lastf; | |
| 1927 } | |
| 1928 } | |
| 1929 } | |
| 1930 | |
| 1931 /************************************* | |
| 1932 * Determine partial specialization order of 'this' vs g. | |
| 1933 * This is very similar to TemplateDeclaration.leastAsSpecialized(). | |
| 1934 * Returns: | |
| 1935 * match 'this' is at least as specialized as g | |
| 1936 * 0 g is more specialized than 'this' | |
| 1937 */ | |
| 1938 MATCH leastAsSpecialized(FuncDeclaration g) | |
| 1939 { | |
| 1940 version (LOG_LEASTAS) { | |
| 1941 printf("%s.leastAsSpecialized(%s)\n", toChars(), g.toChars()); | |
| 1942 } | |
| 1943 | |
| 1944 /* This works by calling g() with f()'s parameters, and | |
| 1945 * if that is possible, then f() is at least as specialized | |
| 1946 * as g() is. | |
| 1947 */ | |
| 1948 | |
| 1949 TypeFunction tf = cast(TypeFunction)type; | |
| 1950 TypeFunction tg = cast(TypeFunction)g.type; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1951 size_t nfparams = Parameter.dim(tf.parameters); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1952 size_t ngparams = Parameter.dim(tg.parameters); |
| 0 | 1953 MATCH match = MATCHexact; |
| 1954 | |
| 1955 /* If both functions have a 'this' pointer, and the mods are not | |
| 1956 * the same and g's is not const, then this is less specialized. | |
| 1957 */ | |
| 1958 if (needThis() && g.needThis()) | |
| 1959 { | |
| 1960 if (tf.mod != tg.mod) | |
| 1961 { | |
| 1962 if (tg.mod == MODconst) | |
| 1963 match = MATCHconst; | |
| 1964 else | |
| 1965 return MATCHnomatch; | |
| 1966 } | |
| 1967 } | |
| 1968 | |
| 1969 /* Create a dummy array of arguments out of the parameters to f() | |
| 1970 */ | |
| 1971 scope Expressions args = new Expressions(); | |
| 1972 args.setDim(nfparams); | |
| 1973 for (int u = 0; u < nfparams; u++) | |
| 1974 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
1975 auto p = Parameter.getNth(tf.parameters, u); |
| 0 | 1976 Expression e; |
| 1977 if (p.storageClass & (STCref | STCout)) | |
| 1978 { | |
| 1979 e = new IdentifierExp(Loc(0), p.ident); | |
| 1980 e.type = p.type; | |
| 1981 } | |
| 1982 else | |
| 1983 e = p.type.defaultInit(Loc(0)); | |
| 1984 | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
1985 args[u] = e; |
| 0 | 1986 } |
| 1987 | |
| 1988 MATCH m = cast(MATCH) tg.callMatch(null, args); | |
| 1989 if (m) | |
| 1990 { | |
| 1991 /* A variadic parameter list is less specialized than a | |
| 1992 * non-variadic one. | |
| 1993 */ | |
| 1994 if (tf.varargs && !tg.varargs) | |
| 1995 goto L1; // less specialized | |
| 1996 | |
| 1997 version (LOG_LEASTAS) { | |
| 1998 printf(" matches %d, so is least as specialized\n", m); | |
| 1999 } | |
| 2000 return m; | |
| 2001 } | |
| 2002 L1: | |
| 2003 version (LOG_LEASTAS) { | |
| 2004 printf(" doesn't match, so is not as specialized\n"); | |
| 2005 } | |
| 2006 return MATCHnomatch; | |
| 2007 } | |
| 72 | 2008 |
| 0 | 2009 /******************************** |
| 2010 * Labels are in a separate scope, one per function. | |
| 2011 */ | |
| 2012 LabelDsymbol searchLabel(Identifier ident) | |
| 2013 { | |
| 2014 Dsymbol s; | |
| 2015 | |
| 2016 if (!labtab) | |
| 2017 labtab = new DsymbolTable(); // guess we need one | |
| 2018 | |
| 2019 s = labtab.lookup(ident); | |
| 2020 if (!s) | |
| 2021 { | |
| 2022 s = new LabelDsymbol(ident); | |
| 2023 labtab.insert(s); | |
| 2024 } | |
| 2025 | |
| 2026 return cast(LabelDsymbol)s; | |
| 2027 } | |
| 2028 | |
| 2029 /**************************************** | |
| 2030 * If non-static member function that has a 'this' pointer, | |
| 2031 * return the aggregate it is a member of. | |
| 2032 * Otherwise, return null. | |
| 2033 */ | |
| 72 | 2034 override AggregateDeclaration isThis() |
| 0 | 2035 { |
| 2036 AggregateDeclaration ad = null; | |
| 2037 | |
| 2038 //printf("+FuncDeclaration.isThis() '%s'\n", toChars()); | |
| 2039 if ((storage_class & STC.STCstatic) == 0) | |
| 2040 { | |
| 2041 ad = isMember2(); | |
| 2042 } | |
| 2043 //printf("-FuncDeclaration.isThis() %p\n", ad); | |
| 2044 return ad; | |
| 2045 } | |
| 2046 | |
| 2047 AggregateDeclaration isMember2() | |
| 2048 { | |
| 2049 AggregateDeclaration ad = null; | |
| 2050 | |
| 2051 //printf("+FuncDeclaration.isMember2() '%s'\n", toChars()); | |
| 2052 for (Dsymbol s = this; s; s = s.parent) | |
| 2053 { | |
| 2054 //printf("\ts = '%s', parent = '%s', kind = %s\n", s.toChars(), s.parent.toChars(), s.parent.kind()); | |
| 2055 ad = s.isMember(); | |
| 2056 if (ad) | |
| 2057 { //printf("test4\n"); | |
| 2058 break; | |
| 2059 } | |
| 2060 if (!s.parent || (!s.parent.isTemplateInstance())) | |
| 2061 { //printf("test5\n"); | |
| 2062 break; | |
| 2063 } | |
| 2064 } | |
| 2065 //printf("-FuncDeclaration.isMember2() %p\n", ad); | |
| 2066 return ad; | |
| 2067 } | |
| 2068 | |
| 2069 /***************************************** | |
| 2070 * Determine lexical level difference from 'this' to nested function 'fd'. | |
| 2071 * Error if this cannot call fd. | |
| 2072 * Returns: | |
| 2073 * 0 same level | |
| 2074 * -1 increase nesting by 1 (fd is nested within 'this') | |
| 2075 * >0 decrease nesting by number | |
| 2076 */ | |
| 2077 int getLevel(Loc loc, FuncDeclaration fd) // lexical nesting level difference | |
| 2078 { | |
| 2079 int level; | |
| 2080 Dsymbol s; | |
| 2081 Dsymbol fdparent; | |
| 2082 | |
| 2083 //printf("FuncDeclaration.getLevel(fd = '%s')\n", fd.toChars()); | |
| 2084 fdparent = fd.toParent2(); | |
| 2085 if (fdparent == this) | |
| 2086 return -1; | |
| 2087 s = this; | |
| 2088 level = 0; | |
| 2089 while (fd != s && fdparent != s.toParent2()) | |
| 2090 { | |
| 2091 //printf("\ts = '%s'\n", s.toChars()); | |
| 2092 FuncDeclaration thisfd = s.isFuncDeclaration(); | |
| 2093 if (thisfd) | |
| 2094 { | |
| 2095 if (!thisfd.isNested() && !thisfd.vthis) | |
| 2096 goto Lerr; | |
| 2097 } | |
| 2098 else | |
| 2099 { | |
| 2100 AggregateDeclaration thiscd = s.isAggregateDeclaration(); | |
| 2101 if (thiscd) | |
| 2102 { | |
| 2103 if (!thiscd.isNested()) | |
| 2104 goto Lerr; | |
| 2105 } | |
| 2106 else | |
| 2107 goto Lerr; | |
| 2108 } | |
| 2109 | |
| 2110 s = s.toParent2(); | |
| 2111 assert(s); | |
| 2112 level++; | |
| 2113 } | |
| 2114 return level; | |
| 2115 | |
| 2116 Lerr: | |
| 2117 error(loc, "cannot access frame of function %s", fd.toChars()); | |
| 2118 return 1; | |
| 2119 } | |
| 2120 | |
| 2121 void appendExp(Expression e) | |
| 2122 { | |
| 2123 assert(false); | |
| 2124 } | |
| 2125 | |
| 2126 void appendState(Statement s) | |
| 2127 { | |
| 2128 assert(false); | |
| 2129 } | |
| 2130 | |
| 72 | 2131 override string mangle() |
| 0 | 2132 out (result) |
| 2133 { | |
| 2134 assert(result.length > 0); | |
| 2135 } | |
| 2136 body | |
| 2137 { | |
| 2138 if (isMain()) { | |
| 2139 return "_Dmain"; | |
| 2140 } | |
| 2141 | |
| 2142 if (isWinMain() || isDllMain() || ident == Id.tls_get_addr) | |
| 2143 return ident.toChars(); | |
| 2144 | |
| 2145 assert(this); | |
| 2146 | |
| 2147 return Declaration.mangle(); | |
| 2148 } | |
| 2149 | |
| 72 | 2150 override string toPrettyChars() |
| 0 | 2151 { |
| 2152 if (isMain()) | |
| 2153 return "D main"; | |
| 2154 else | |
| 2155 return Dsymbol.toPrettyChars(); | |
| 2156 } | |
| 2157 | |
| 2158 int isMain() | |
| 2159 { | |
| 2160 return ident is Id.main && linkage != LINK.LINKc && !isMember() && !isNested(); | |
| 2161 } | |
| 2162 | |
| 2163 int isWinMain() | |
| 2164 { | |
| 2165 //printf("FuncDeclaration::isWinMain() %s\n", toChars()); | |
| 2166 static if (false) { | |
| 2167 int x = ident == Id.WinMain && | |
| 2168 linkage != LINK.LINKc && !isMember(); | |
| 2169 printf("%s\n", x ? "yes" : "no"); | |
| 2170 return x; | |
| 2171 } else { | |
| 2172 return ident == Id.WinMain && linkage != LINK.LINKc && !isMember(); | |
| 2173 } | |
| 2174 } | |
| 2175 | |
| 2176 int isDllMain() | |
| 2177 { | |
| 2178 return ident == Id.DllMain && linkage != LINK.LINKc && !isMember(); | |
| 2179 } | |
| 2180 | |
| 2181 /********************************** | |
| 2182 * Determine if function is a builtin one that we can | |
| 2183 * evaluate at compile time. | |
| 2184 */ | |
| 2185 BUILTIN isBuiltin() | |
| 2186 { | |
| 2187 static string FeZe = "FNaNbeZe"; // pure nothrow real function(real) | |
| 2188 | |
| 2189 //printf("FuncDeclaration::isBuiltin() %s\n", toChars()); | |
| 2190 if (builtin == BUILTIN.BUILTINunknown) | |
| 2191 { | |
| 2192 builtin = BUILTIN.BUILTINnot; | |
| 2193 if (parent && parent.isModule()) | |
| 2194 { | |
| 2195 // If it's in the std.math package | |
| 2196 if (parent.ident == Id.math && parent.parent && parent.parent.ident == Id.std && !parent.parent.parent) | |
| 2197 { | |
| 2198 //printf("deco = %s\n", type.deco); | |
| 2199 if (type.deco == FeZe) | |
| 2200 { | |
| 2201 if (ident == Id.sin) | |
| 2202 builtin = BUILTIN.BUILTINsin; | |
| 2203 else if (ident == Id.cos) | |
| 2204 builtin = BUILTIN.BUILTINcos; | |
| 2205 else if (ident == Id.tan) | |
| 2206 builtin = BUILTIN.BUILTINtan; | |
| 2207 else if (ident == Id._sqrt) | |
| 2208 builtin = BUILTIN.BUILTINsqrt; | |
| 2209 else if (ident == Id.fabs) | |
| 2210 builtin = BUILTIN.BUILTINfabs; | |
| 2211 //printf("builtin = %d\n", builtin); | |
| 2212 } | |
| 2213 // if float or double versions | |
| 2214 else if (type.deco == "FNaNbdZd" || type.deco == "FNaNbfZf") | |
| 2215 { | |
| 2216 if (ident == Id._sqrt) | |
| 2217 builtin = BUILTIN.BUILTINsqrt; | |
| 2218 } | |
| 2219 } | |
| 2220 } | |
| 2221 } | |
| 2222 | |
| 2223 return builtin; | |
| 2224 } | |
| 2225 | |
| 72 | 2226 override bool isExport() |
| 0 | 2227 { |
| 2228 return protection == PROT.PROTexport; | |
| 2229 } | |
| 2230 | |
| 72 | 2231 override bool isImportedSymbol() |
| 0 | 2232 { |
| 2233 //printf("isImportedSymbol()\n"); | |
| 2234 //printf("protection = %d\n", protection); | |
| 2235 return (protection == PROT.PROTexport) && !fbody; | |
| 2236 } | |
| 2237 | |
| 72 | 2238 override bool isAbstract() |
| 0 | 2239 { |
| 2240 return (storage_class & STC.STCabstract) != 0; | |
| 2241 } | |
| 2242 | |
| 72 | 2243 override bool isCodeseg() |
| 0 | 2244 { |
|
68
ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
63
diff
changeset
|
2245 return true; // functions are always in the code segment |
| 0 | 2246 } |
| 2247 | |
| 72 | 2248 override bool isOverloadable() |
| 0 | 2249 { |
| 63 | 2250 return 1; // functions can be overloaded |
| 0 | 2251 } |
| 2252 | |
| 2253 bool isPure() | |
| 2254 { | |
| 2255 //printf("FuncDeclaration::isPure() '%s'\n", toChars()); | |
| 2256 assert(type.ty == TY.Tfunction); | |
| 2257 return (cast(TypeFunction)this.type).ispure; | |
| 2258 } | |
| 2259 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2260 int isSafe() |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2261 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2262 assert(type.ty == TY.Tfunction); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2263 return (cast(TypeFunction)this.type).trust == TRUST.TRUSTsafe; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2264 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2265 |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2266 int isTrusted() |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2267 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2268 assert(type.ty == TY.Tfunction); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2269 return (cast(TypeFunction)this.type).trust == TRUST.TRUSTtrusted; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2270 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2271 |
| 0 | 2272 bool isNested() |
| 2273 { | |
| 2274 //if (!toParent()) | |
| 2275 //printf("FuncDeclaration.isNested('%s') parent=%p\n", toChars(), parent); | |
| 2276 //printf("\ttoParent2() = '%s'\n", toParent2().toChars()); | |
| 2277 return ((storage_class & STC.STCstatic) == 0) && | |
| 2278 (toParent2().isFuncDeclaration() !is null); | |
| 2279 } | |
| 2280 | |
| 72 | 2281 override bool needThis() |
| 0 | 2282 { |
| 2283 //printf("FuncDeclaration.needThis() '%s'\n", toChars()); | |
| 2284 bool needThis = isThis() !is null; | |
| 2285 | |
| 2286 //printf("\t%d\n", i); | |
| 2287 if (!needThis) { | |
| 2288 if (auto fa = isFuncAliasDeclaration()) { | |
| 2289 needThis = fa.funcalias.needThis(); | |
| 2290 } | |
| 2291 } | |
| 2292 | |
| 2293 return needThis; | |
| 2294 } | |
| 2295 | |
| 2296 bool isVirtual() | |
| 2297 { | |
| 2298 static if (false) { | |
| 2299 printf("FuncDeclaration.isVirtual(%s)\n", toChars()); | |
| 2300 printf("isMember:%p isStatic:%d private:%d ctor:%d !Dlinkage:%d\n", isMember(), isStatic(), protection == PROT.PROTprivate, isCtorDeclaration(), linkage != LINK.LINKd); | |
| 2301 printf("result is %d\n", | |
| 2302 isMember() && !(isStatic() || protection == PROT.PROTprivate || protection == PROT.PROTpackage) && toParent().isClassDeclaration()); | |
| 2303 } | |
| 2304 return isMember() && !(isStatic() || protection == PROT.PROTprivate || protection == PROT.PROTpackage) && toParent().isClassDeclaration(); | |
| 2305 } | |
| 2306 | |
| 72 | 2307 override int isFinal() |
| 0 | 2308 { |
| 2309 ClassDeclaration cd; | |
| 2310 static if (false) { | |
| 2311 printf("FuncDeclaration.isFinal(%s)\n", toChars()); | |
| 2312 printf("%p %d %d %d %d\n", isMember(), isStatic(), protection == PROT.PROTprivate, isCtorDeclaration(), linkage != LINK.LINKd); | |
| 2313 printf("result is %d\n", | |
| 2314 isMember() && !(isStatic() || protection == PROT.PROTprivate || protection == PROT.PROTpackage) && (cd = toParent().isClassDeclaration()) !is null && cd.storage_class & STC.STCfinal); | |
| 2315 } | |
| 2316 return isMember() && (Declaration.isFinal() || ((cd = toParent().isClassDeclaration()) !is null && cd.storage_class & STC.STCfinal)); | |
| 2317 } | |
| 2318 | |
| 2319 bool addPreInvariant() | |
| 2320 { | |
| 2321 AggregateDeclaration ad = isThis(); | |
| 2322 return (ad && | |
| 2323 //ad.isClassDeclaration() && | |
| 2324 global.params.useInvariants && | |
| 2325 (protection == PROT.PROTpublic || protection == PROT.PROTexport) && | |
| 2326 !naked && | |
| 2327 ident !is Id.cpctor); | |
| 2328 } | |
| 2329 | |
| 2330 bool addPostInvariant() | |
| 2331 { | |
| 2332 AggregateDeclaration ad = isThis(); | |
| 2333 return (ad && ad.inv && | |
| 2334 //ad.isClassDeclaration() && | |
| 2335 global.params.useInvariants && | |
| 2336 (protection == PROT.PROTpublic || protection == PROT.PROTexport) && | |
| 2337 !naked && | |
| 2338 ident !is Id.cpctor); | |
| 2339 } | |
| 2340 | |
| 63 | 2341 /************************************* |
| 2342 * Attempt to interpret a function given the arguments. | |
| 2343 * Input: | |
| 2344 * istate state for calling function (null if none) | |
| 2345 * arguments function arguments | |
| 2346 * thisarg 'this', if a needThis() function, null if not. | |
| 2347 * | |
| 2348 * Return result expression if successful, null if not. | |
| 2349 */ | |
| 2350 Expression interpret(InterState istate, Expressions arguments, Expression thisarg = null) | |
| 0 | 2351 { |
| 63 | 2352 version (LOG) { |
| 2353 printf("\n********\nFuncDeclaration.interpret(istate = %p) %s\n", istate, toChars()); | |
| 2354 printf("cantInterpret = %d, semanticRun = %d\n", cantInterpret, semanticRun); | |
| 2355 } | |
| 2356 if (global.errors) | |
| 2357 return null; | |
| 107 | 2358 version(DMDV1) |
| 2359 { | |
| 63 | 2360 if (ident == Id.aaLen) |
| 2361 return interpret_aaLen(istate, arguments); | |
| 2362 else if (ident == Id.aaKeys) | |
| 2363 return interpret_aaKeys(istate, arguments); | |
| 2364 else if (ident == Id.aaValues) | |
| 2365 return interpret_aaValues(istate, arguments); | |
| 107 | 2366 } |
| 2367 else version(DMDV2) | |
| 2368 { | |
| 2369 if (thisarg && (!arguments || arguments.dim == 0)) | |
| 2370 { | |
| 2371 if (ident == Id.length) | |
| 2372 return interpret_length(istate, thisarg); | |
| 2373 else if (ident == Id.keys) | |
| 2374 return interpret_keys(istate, thisarg, this); | |
| 2375 else if (ident == Id.values) | |
| 2376 return interpret_values(istate, thisarg, this); | |
| 2377 } | |
| 2378 } | |
| 2379 | |
| 63 | 2380 if (cantInterpret || semanticRun == 3) |
| 2381 return null; | |
| 2382 | |
| 2383 if (!fbody) | |
| 2384 { | |
| 2385 cantInterpret = 1; | |
| 2386 return null; | |
| 2387 } | |
| 2388 | |
| 2389 if (semanticRun < 3 && scope_) | |
| 2390 { | |
| 2391 semantic3(scope_); | |
| 2392 if (global.errors) // if errors compiling this function | |
| 2393 return null; | |
| 2394 } | |
| 2395 if (semanticRun < 4) | |
| 2396 return null; | |
| 2397 | |
| 2398 Type tb = type.toBasetype(); | |
| 2399 assert(tb.ty == Tfunction); | |
| 2400 TypeFunction tf = cast(TypeFunction)tb; | |
| 2401 Type tret = tf.next.toBasetype(); | |
| 2402 if (tf.varargs) | |
| 2403 { | |
| 2404 cantInterpret = 1; | |
| 2405 error("Variadic functions are not yet implemented in CTFE"); | |
| 2406 return null; | |
| 2407 } | |
| 2408 | |
| 2409 // Ensure there are no lazy parameters | |
| 2410 if (tf.parameters) | |
| 2411 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2412 size_t dim = Parameter.dim(tf.parameters); |
| 63 | 2413 for (size_t i = 0; i < dim; i++) |
| 2414 { | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2415 auto arg = Parameter.getNth(tf.parameters, i); |
| 63 | 2416 if (arg.storageClass & STClazy) |
| 2417 { | |
| 2418 cantInterpret = 1; | |
| 2419 return null; | |
| 2420 } | |
| 2421 } | |
| 2422 } | |
| 2423 | |
| 2424 scope InterState istatex = new InterState(); | |
| 2425 istatex.caller = istate; | |
| 2426 istatex.fd = this; | |
| 2427 istatex.localThis = thisarg; | |
| 2428 | |
| 2429 scope Expressions vsave = new Expressions(); // place to save previous parameter values | |
| 2430 size_t dim = 0; | |
| 2431 if (needThis() && !thisarg) | |
| 2432 { | |
| 2433 cantInterpret = 1; | |
| 2434 // error, no this. Prevent segfault. | |
| 2435 error("need 'this' to access member %s", toChars()); | |
| 2436 return null; | |
| 2437 } | |
| 2438 if (arguments) | |
| 2439 { | |
| 2440 dim = arguments.dim; | |
| 2441 assert(!dim || (parameters && (parameters.dim == dim))); | |
| 2442 vsave.setDim(dim); | |
| 2443 | |
| 2444 /* Evaluate all the arguments to the function, | |
| 2445 * store the results in eargs[] | |
| 2446 */ | |
| 2447 scope Expressions eargs = new Expressions(); | |
| 2448 eargs.setDim(dim); | |
| 2449 | |
| 2450 for (size_t i = 0; i < dim; i++) | |
| 2451 { | |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
88
diff
changeset
|
2452 Expression earg = arguments[i]; |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2453 auto arg = Parameter.getNth(tf.parameters, i); |
| 63 | 2454 |
| 2455 if (arg.storageClass & (STCout | STCref)) | |
| 2456 { | |
| 2457 } | |
| 2458 else | |
| 2459 { /* Value parameters | |
| 2460 */ | |
| 2461 Type ta = arg.type.toBasetype(); | |
| 2462 if (ta.ty == Tsarray && earg.op == TOKaddress) | |
| 2463 { | |
| 2464 /* Static arrays are passed by a simple pointer. | |
| 2465 * Skip past this to get at the actual arg. | |
| 2466 */ | |
| 2467 earg = (cast(AddrExp)earg).e1; | |
| 2468 } | |
| 2469 earg = earg.interpret(istate ? istate : istatex); | |
| 2470 if (earg is EXP_CANT_INTERPRET) | |
| 2471 { | |
| 2472 cantInterpret = 1; | |
| 2473 return null; | |
| 2474 } | |
| 2475 } | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
2476 eargs[i] = earg; |
| 63 | 2477 } |
| 2478 | |
| 2479 for (size_t i = 0; i < dim; i++) | |
| 2480 { | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
2481 auto earg = eargs[i]; |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
126
diff
changeset
|
2482 auto arg = Parameter.getNth(tf.parameters, i); |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2483 auto v = cast(VarDeclaration)parameters[i]; |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
2484 vsave[i] = v.value; |
| 63 | 2485 version (LOG) { |
| 2486 printf("arg[%d] = %s\n", i, earg.toChars()); | |
| 2487 } | |
| 2488 if (arg.storageClass & (STCout | STCref) && earg.op==TOKvar) | |
| 2489 { | |
| 2490 /* Bind out or ref parameter to the corresponding | |
| 2491 * variable v2 | |
| 2492 */ | |
| 2493 if (!istate) | |
| 2494 { | |
| 2495 cantInterpret = 1; | |
| 2496 error("%s cannot be by passed by reference at compile time", earg.toChars()); | |
| 2497 return null; // can't bind to non-interpreted vars | |
| 2498 } | |
| 2499 // We need to chase down all of the the passed parameters until | |
| 2500 // we find something that isn't a TOKvar, then create a variable | |
| 2501 // containg that expression. | |
| 2502 VarDeclaration v2; | |
| 2503 while (1) | |
| 2504 { | |
| 2505 VarExp ve = cast(VarExp)earg; | |
| 2506 v2 = ve.var.isVarDeclaration(); | |
| 2507 if (!v2) | |
| 2508 { | |
| 2509 cantInterpret = 1; | |
| 2510 return null; | |
| 2511 } | |
| 2512 if (!v2.value || v2.value.op != TOKvar) | |
| 2513 break; | |
| 2514 if ((cast(VarExp)v2.value).var.isSymbolDeclaration()) | |
| 2515 { | |
| 2516 // This can happen if v is a struct initialized to | |
| 2517 // 0 using an __initZ SymbolDeclaration from | |
| 2518 // TypeStruct.defaultInit() | |
| 2519 break; // eg default-initialized variable | |
| 2520 } | |
| 2521 earg = v2.value; | |
| 2522 } | |
| 2523 | |
| 2524 v.value = new VarExp(earg.loc, v2); | |
| 2525 | |
| 2526 /* Don't restore the value of v2 upon function return | |
| 2527 */ | |
| 2528 assert(istate); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2529 foreach(size_t j, Dsymbol s2; istate.vars)// (size_t j = 0; j < istate.vars.dim; j++) |
| 63 | 2530 { |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2531 auto vd = cast(VarDeclaration)s2; |
| 63 | 2532 if (vd == v2) |
| 2533 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2534 istate.vars[j] = null; |
| 63 | 2535 break; |
| 2536 } | |
| 2537 } | |
| 2538 } | |
| 2539 else | |
| 2540 { | |
| 2541 // Value parameters and non-trivial references | |
| 2542 v.value = earg; | |
| 2543 } | |
| 2544 version (LOG) { | |
| 2545 printf("interpreted arg[%d] = %s\n", i, earg.toChars()); | |
| 2546 } | |
| 2547 } | |
| 2548 } | |
| 2549 // Don't restore the value of 'this' upon function return | |
| 2550 if (needThis() && thisarg.op==TOKvar) { | |
| 2551 VarDeclaration thisvar = (cast(VarExp)thisarg).var.isVarDeclaration(); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2552 foreach (size_t i, Dsymbol s; istate.vars) |
| 63 | 2553 { |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2554 auto v = cast(VarDeclaration)s; |
| 63 | 2555 if (v == thisvar) |
| 2556 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2557 istate.vars[i] = null; |
| 63 | 2558 break; |
| 2559 } | |
| 2560 } | |
| 2561 } | |
| 2562 | |
| 2563 /* Save the values of the local variables used | |
| 2564 */ | |
| 2565 scope Expressions valueSaves = new Expressions(); | |
| 2566 if (istate && !isNested()) | |
| 2567 { | |
| 2568 //printf("saving local variables...\n"); | |
| 2569 valueSaves.setDim(istate.vars.dim); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2570 foreach (size_t i, Dsymbol s3; istate.vars) |
| 63 | 2571 { |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2572 if (auto v = cast(VarDeclaration)s3) |
| 63 | 2573 { |
| 2574 //printf("\tsaving [%d] %s = %s\n", i, v.toChars(), v.value ? v.value.toChars() : ""); | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
2575 valueSaves[i] = v.value; |
| 63 | 2576 v.value = null; |
| 2577 } | |
| 2578 } | |
| 2579 } | |
| 2580 | |
| 2581 Expression e = null; | |
| 2582 while (1) | |
| 2583 { | |
| 2584 e = fbody.interpret(istatex); | |
| 2585 if (e is EXP_CANT_INTERPRET) | |
| 2586 { | |
| 2587 version (LOG) { | |
| 2588 printf("function body failed to interpret\n"); | |
| 2589 } | |
| 2590 e = null; | |
| 2591 } | |
| 2592 | |
| 2593 /* This is how we deal with a recursive statement AST | |
| 2594 * that has arbitrary goto statements in it. | |
| 2595 * Bubble up a 'result' which is the target of the goto | |
| 2596 * statement, then go recursively down the AST looking | |
| 2597 * for that statement, then execute starting there. | |
| 2598 */ | |
| 2599 if (e is EXP_GOTO_INTERPRET) | |
| 2600 { | |
| 2601 istatex.start = istatex.gotoTarget; // set starting statement | |
| 2602 istatex.gotoTarget = null; | |
| 2603 } | |
| 2604 else | |
| 2605 break; | |
| 2606 } | |
| 2607 /* Restore the parameter values | |
| 2608 */ | |
| 2609 for (size_t i = 0; i < dim; i++) | |
| 2610 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2611 auto v = cast(VarDeclaration)parameters[i]; |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
88
diff
changeset
|
2612 v.value = vsave[i]; |
| 63 | 2613 } |
| 2614 | |
| 2615 if (istate && !isNested()) | |
| 2616 { | |
| 2617 /* Restore the variable values | |
| 2618 */ | |
| 2619 //printf("restoring local variables...\n"); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2620 foreach (size_t i , Dsymbol s3; istate.vars) |
| 63 | 2621 { |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2622 if (auto v = cast(VarDeclaration)s3) |
| 63 | 2623 { |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
88
diff
changeset
|
2624 v.value = valueSaves[i]; |
| 63 | 2625 //printf("\trestoring [%d] %s = %s\n", i, v.toChars(), v.value ? v.value.toChars() : ""); |
| 2626 } | |
| 2627 } | |
| 2628 } | |
| 2629 return e; | |
| 0 | 2630 } |
| 2631 | |
| 72 | 2632 override void inlineScan() |
| 0 | 2633 { |
| 2634 InlineScanState iss; | |
| 2635 | |
| 2636 version (LOG) { | |
| 2637 printf("FuncDeclaration.inlineScan('%s')\n", toChars()); | |
| 2638 } | |
| 2639 ///memset(&iss, 0, sizeof(iss)); | |
| 2640 iss.fd = this; | |
| 2641 if (fbody) | |
| 2642 { | |
| 2643 inlineNest++; | |
| 2644 fbody = fbody.inlineScan(&iss); | |
| 2645 inlineNest--; | |
| 2646 } | |
| 2647 } | |
| 2648 | |
| 2649 int canInline(int hasthis, int hdrscan = 0) | |
| 2650 { | |
| 2651 int cost; | |
| 2652 | |
| 2653 // #define CANINLINE_LOG 0 | |
| 2654 | |
| 2655 version (CANINLINE_LOG) { | |
| 2656 printf("FuncDeclaration.canInline(hasthis = %d, '%s')\n", hasthis, toChars()); | |
| 2657 } | |
| 2658 | |
| 2659 if (needThis() && !hasthis) | |
| 2660 return 0; | |
| 2661 | |
| 2662 if (inlineNest || (semanticRun < 3 && !hdrscan)) | |
| 2663 { | |
| 2664 version (CANINLINE_LOG) { | |
| 2665 printf("\t1: no, inlineNest = %d, semanticRun = %d\n", inlineNest, semanticRun); | |
| 2666 } | |
| 2667 return 0; | |
| 2668 } | |
| 2669 | |
| 2670 switch (inlineStatus) | |
| 2671 { | |
| 2672 case ILS.ILSyes: | |
| 2673 version (CANINLINE_LOG) { | |
| 2674 printf("\t1: yes %s\n", toChars()); | |
| 2675 } | |
| 2676 return 1; | |
| 2677 | |
| 2678 case ILS.ILSno: | |
| 2679 version (CANINLINE_LOG) { | |
| 2680 printf("\t1: no %s\n", toChars()); | |
| 2681 } | |
| 2682 return 0; | |
| 2683 | |
| 2684 case ILS.ILSuninitialized: | |
| 2685 break; | |
| 2686 | |
| 2687 default: | |
| 2688 assert(0); | |
| 2689 } | |
| 2690 | |
| 2691 if (type) | |
| 2692 { | |
| 2693 assert(type.ty == Tfunction); | |
| 2694 TypeFunction tf = cast(TypeFunction)type; | |
| 2695 if (tf.varargs == 1) // no variadic parameter lists | |
| 2696 goto Lno; | |
| 2697 | |
| 2698 /* Don't inline a function that returns non-void, but has | |
| 2699 * no return expression. | |
| 2700 */ | |
| 2701 if (tf.next && tf.next.ty != Tvoid && | |
| 2702 !(hasReturnExp & 1) && | |
| 2703 !hdrscan) | |
| 2704 goto Lno; | |
| 2705 } | |
| 2706 else | |
| 2707 { | |
| 2708 CtorDeclaration ctor = isCtorDeclaration(); | |
| 2709 if (ctor && ctor.varargs == 1) | |
| 2710 goto Lno; | |
| 2711 } | |
| 2712 | |
| 2713 if ( | |
| 2714 !fbody || | |
| 2715 !hdrscan && | |
| 2716 ( | |
| 2717 /// static if (false) { | |
| 2718 /// isCtorDeclaration() || // cannot because need to convert: | |
| 2719 /// // return; | |
| 2720 /// // to: | |
| 2721 /// // return this; | |
| 2722 /// } | |
| 2723 isSynchronized() || | |
| 2724 isImportedSymbol() || | |
| 2725 /// version (DMDV2) { | |
| 2726 closureVars.dim || // no nested references to this frame | |
| 2727 /// } else { | |
| 2728 /// nestedFrameRef || // no nested references to this frame | |
| 2729 /// } | |
| 2730 (isVirtual() && !isFinal()) | |
| 2731 )) | |
| 2732 { | |
| 2733 goto Lno; | |
| 2734 } | |
| 2735 | |
| 2736 /* If any parameters are Tsarray's (which are passed by reference) | |
| 2737 * or out parameters (also passed by reference), don't do inlining. | |
| 2738 */ | |
| 2739 if (parameters) | |
| 2740 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2741 foreach (Dsymbol s3; parameters) |
| 0 | 2742 { |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2743 auto v = cast(VarDeclaration)s3; |
| 0 | 2744 if (v.isOut() || v.isRef() || v.type.toBasetype().ty == Tsarray) |
| 2745 goto Lno; | |
| 2746 } | |
| 2747 } | |
| 2748 | |
| 2749 InlineCostState ics; | |
| 2750 ///memset(&ics, 0, sizeof(ics)); | |
| 2751 ics.hasthis = hasthis; | |
| 2752 ics.fd = this; | |
| 2753 ics.hdrscan = hdrscan; | |
| 2754 cost = fbody.inlineCost(&ics); | |
| 2755 version (CANINLINE_LOG) { | |
| 2756 printf("cost = %d\n", cost); | |
| 2757 } | |
| 2758 if (cost >= COST_MAX) | |
| 2759 goto Lno; | |
| 2760 | |
| 2761 if (!hdrscan) // Don't scan recursively for header content scan | |
| 2762 inlineScan(); | |
| 2763 | |
| 2764 Lyes: | |
| 2765 if (!hdrscan) // Don't modify inlineStatus for header content scan | |
| 2766 inlineStatus = ILS.ILSyes; | |
| 2767 version (CANINLINE_LOG) { | |
| 2768 printf("\t2: yes %s\n", toChars()); | |
| 2769 } | |
| 2770 return 1; | |
| 2771 | |
| 2772 Lno: | |
| 2773 if (!hdrscan) // Don't modify inlineStatus for header content scan | |
| 2774 inlineStatus = ILS.ILSno; | |
| 2775 version (CANINLINE_LOG) { | |
| 2776 printf("\t2: no %s\n", toChars()); | |
| 2777 } | |
| 2778 return 0; | |
| 2779 } | |
| 2780 | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
2781 Expression doInline(InlineScanState* iss, Expression ethis, Expressions arguments) |
| 0 | 2782 { |
| 2783 InlineDoState ids = new InlineDoState(); | |
| 2784 DeclarationExp de; | |
| 2785 Expression e = null; | |
| 2786 | |
| 2787 version (LOG) { | |
| 2788 printf("FuncDeclaration.doInline('%s')\n", toChars()); | |
| 2789 } | |
| 2790 | |
| 2791 ///memset(&ids, 0, sizeof(ids)); | |
| 2792 ids.parent = iss.fd; | |
| 2793 | |
| 2794 // Set up vthis | |
| 2795 if (ethis) | |
| 2796 { | |
| 2797 VarDeclaration vthis; | |
| 2798 ExpInitializer ei; | |
| 2799 VarExp ve; | |
| 2800 | |
| 2801 version (STRUCTTHISREF) { | |
| 2802 if (ethis.type.ty == Tpointer) | |
| 2803 { | |
| 2804 Type t = ethis.type.nextOf(); | |
| 2805 ethis = new PtrExp(ethis.loc, ethis); | |
| 2806 ethis.type = t; | |
| 2807 } | |
| 2808 ei = new ExpInitializer(ethis.loc, ethis); | |
| 2809 | |
| 2810 vthis = new VarDeclaration(ethis.loc, ethis.type, Id.This, ei); | |
| 2811 if (ethis.type.ty != Tclass) | |
| 2812 vthis.storage_class = STCref; | |
| 2813 else | |
| 2814 vthis.storage_class = STCin; | |
| 2815 } else { | |
| 2816 if (ethis.type.ty != Tclass && ethis.type.ty != Tpointer) | |
| 2817 { | |
| 2818 ethis = ethis.addressOf(null); | |
| 2819 } | |
| 2820 | |
| 2821 ei = new ExpInitializer(ethis.loc, ethis); | |
| 2822 | |
| 2823 vthis = new VarDeclaration(ethis.loc, ethis.type, Id.This, ei); | |
| 2824 vthis.storage_class = STCin; | |
| 2825 } | |
| 2826 vthis.linkage = LINKd; | |
| 2827 vthis.parent = iss.fd; | |
| 2828 | |
| 2829 ve = new VarExp(vthis.loc, vthis); | |
| 2830 ve.type = vthis.type; | |
| 2831 | |
| 2832 ei.exp = new AssignExp(vthis.loc, ve, ethis); | |
| 2833 ei.exp.type = ve.type; | |
| 2834 version (STRUCTTHISREF) { | |
| 2835 if (ethis.type.ty != Tclass) | |
| 2836 { | |
| 2837 /* This is a reference initialization, not a simple assignment. | |
| 2838 */ | |
| 2839 ei.exp.op = TOKconstruct; | |
| 2840 } | |
| 2841 } | |
| 2842 | |
| 2843 ids.vthis = vthis; | |
| 2844 } | |
| 2845 | |
| 2846 // Set up parameters | |
| 2847 if (ethis) | |
| 2848 { | |
| 2849 e = new DeclarationExp(Loc(0), ids.vthis); | |
| 2850 e.type = Type.tvoid; | |
| 2851 } | |
| 2852 | |
| 2853 if (arguments && arguments.dim) | |
| 2854 { | |
| 2855 assert(parameters.dim == arguments.dim); | |
| 2856 | |
| 2857 for (int i = 0; i < arguments.dim; i++) | |
| 2858 { | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2859 auto vfrom = cast(VarDeclaration)parameters[i]; |
| 0 | 2860 VarDeclaration vto; |
|
90
39648eb578f6
more Expressions work
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
88
diff
changeset
|
2861 Expression arg = arguments[i]; |
| 0 | 2862 ExpInitializer ei; |
| 2863 VarExp ve; | |
| 2864 | |
| 2865 ei = new ExpInitializer(arg.loc, arg); | |
| 2866 | |
| 2867 vto = new VarDeclaration(vfrom.loc, vfrom.type, vfrom.ident, ei); | |
| 2868 vto.storage_class |= vfrom.storage_class & (STCin | STCout | STClazy | STCref); | |
| 2869 vto.linkage = vfrom.linkage; | |
| 2870 vto.parent = iss.fd; | |
| 2871 //printf("vto = '%s', vto.storage_class = x%x\n", vto.toChars(), vto.storage_class); | |
| 2872 //printf("vto.parent = '%s'\n", iss.fd.toChars()); | |
| 2873 | |
| 2874 ve = new VarExp(vto.loc, vto); | |
| 2875 //ve.type = vto.type; | |
| 2876 ve.type = arg.type; | |
| 2877 | |
| 2878 ei.exp = new AssignExp(vto.loc, ve, arg); | |
| 2879 ei.exp.type = ve.type; | |
| 2880 //ve.type.print(); | |
| 2881 //arg.type.print(); | |
| 2882 //ei.exp.print(); | |
| 2883 | |
| 2884 ids.from.push(cast(void*)vfrom); | |
| 2885 ids.to.push(cast(void*)vto); | |
| 2886 | |
| 2887 de = new DeclarationExp(Loc(0), vto); | |
| 2888 de.type = Type.tvoid; | |
| 2889 | |
| 2890 e = Expression.combine(e, de); | |
| 2891 } | |
| 2892 } | |
| 2893 | |
| 2894 inlineNest++; | |
| 2895 Expression eb = fbody.doInline(ids); | |
| 2896 inlineNest--; | |
| 2897 //eb.type.print(); | |
| 2898 //eb.print(); | |
| 2899 //eb.dump(0); | |
| 2900 return Expression.combine(e, eb); | |
| 2901 } | |
| 2902 | |
| 72 | 2903 override string kind() |
| 0 | 2904 { |
| 2905 return "function"; | |
| 2906 } | |
| 2907 | |
| 72 | 2908 override void toDocBuffer(OutBuffer buf) |
| 0 | 2909 { |
| 2910 assert(false); | |
| 2911 } | |
| 2912 | |
| 2913 FuncDeclaration isUnique() | |
| 2914 { | |
| 2915 assert(false); | |
| 2916 } | |
| 2917 | |
| 2918 /******************************* | |
| 2919 * Look at all the variables in this function that are referenced | |
| 2920 * by nested functions, and determine if a closure needs to be | |
| 2921 * created for them. | |
| 2922 */ | |
| 2923 bool needsClosure() | |
| 2924 { | |
| 2925 /* Need a closure for all the closureVars[] if any of the | |
| 2926 * closureVars[] are accessed by a | |
| 2927 * function that escapes the scope of this function. | |
| 2928 * We take the conservative approach and decide that any function that: | |
| 2929 * 1) is a virtual function | |
| 2930 * 2) has its address taken | |
| 2931 * 3) has a parent that escapes | |
| 2932 * | |
| 2933 * Note that since a non-virtual function can be called by | |
| 2934 * a virtual one, if that non-virtual function accesses a closure | |
| 2935 * var, the closure still has to be taken. Hence, we check for isThis() | |
| 2936 * instead of isVirtual(). (thanks to David Friedman) | |
| 2937 */ | |
| 2938 | |
| 2939 //printf("FuncDeclaration.needsClosure() %s\n", toChars()); | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2940 foreach (Dsymbol s3; closureVars) |
| 0 | 2941 { |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2942 auto v = cast(VarDeclaration)s3; |
| 0 | 2943 assert(v.isVarDeclaration()); |
| 2944 //printf("\tv = %s\n", v.toChars()); | |
| 2945 | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2946 foreach(FuncDeclaration f; v.nestedrefs) |
|
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2947 { |
| 0 | 2948 assert(f != this); |
| 2949 | |
| 2950 //printf("\t\tf = %s, %d, %p, %d\n", f.toChars(), f.isVirtual(), f.isThis(), f.tookAddressOf); | |
| 2951 if (f.isThis() || f.tookAddressOf) | |
| 2952 goto Lyes; // assume f escapes this function's scope | |
| 2953 | |
| 2954 // Look to see if any parents of f that are below this escape | |
| 2955 for (Dsymbol s = f.parent; s && s !is this; s = s.parent) | |
| 2956 { | |
| 2957 f = s.isFuncDeclaration(); | |
| 2958 if (f && (f.isThis() || f.tookAddressOf)) { | |
| 2959 goto Lyes; | |
| 2960 } | |
| 2961 } | |
| 2962 } | |
| 2963 } | |
| 2964 return false; | |
| 2965 | |
| 2966 Lyes: | |
| 2967 //printf("\tneeds closure\n"); | |
| 2968 return true; | |
| 2969 } | |
| 2970 | |
| 73 | 2971 /**************************************************** |
| 2972 * Merge into this function the 'in' contracts of all it overrides. | |
| 2973 * 'in's are OR'd together, i.e. only one of them needs to pass. | |
| 2974 */ | |
| 2975 | |
| 2976 Statement mergeFrequire(Statement sf) | |
| 2977 { | |
| 2978 /* Implementing this is done by having the overriding function call | |
| 2979 * nested functions (the fdrequire functions) nested inside the overridden | |
| 2980 * function. This requires that the stack layout of the calling function's | |
| 2981 * parameters and 'this' pointer be in the same place (as the nested | |
| 2982 * function refers to them). | |
| 2983 * This is easy for the parameters, as they are all on the stack in the same | |
| 2984 * place by definition, since it's an overriding function. The problem is | |
| 2985 * getting the 'this' pointer in the same place, since it is a local variable. | |
| 2986 * We did some hacks in the code generator to make this happen: | |
| 2987 * 1. always generate exception handler frame, or at least leave space for it | |
| 2988 * in the frame (Windows 32 SEH only) | |
| 2989 * 2. always generate an EBP style frame | |
| 2990 * 3. since 'this' is passed in a register that is subsequently copied into | |
| 2991 * a stack local, allocate that local immediately following the exception | |
| 2992 * handler block, so it is always at the same offset from EBP. | |
| 2993 */ | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
2994 foreach(FuncDeclaration fdv; foverrides) //(int i = 0; i < foverrides.dim; i++) |
| 73 | 2995 { |
| 2996 sf = fdv.mergeFrequire(sf); | |
| 98 | 2997 if (fdv.fdrequire) |
| 73 | 2998 { |
| 2999 //printf("fdv.frequire: %s\n", fdv.frequire.toChars()); | |
| 3000 /* Make the call: | |
| 3001 * try { __require(); } | |
| 3002 * catch { frequire; } | |
| 3003 */ | |
| 3004 Expression eresult = null; | |
| 3005 Expression e = new CallExp(loc, new VarExp(loc, fdv.fdrequire, 0), eresult); | |
| 3006 Statement s2 = new ExpStatement(loc, e); | |
| 3007 | |
| 3008 if (sf) | |
| 3009 { | |
| 3010 Catch c = new Catch(loc, null, null, sf); | |
| 3011 Array catches = new Array(); | |
| 3012 catches.push(cast(void*)c); | |
| 3013 sf = new TryCatchStatement(loc, s2, catches); | |
| 3014 } | |
| 3015 else | |
| 3016 sf = s2; | |
| 3017 } | |
| 3018 } | |
| 3019 return sf; | |
| 3020 } | |
| 3021 | |
| 3022 /**************************************************** | |
| 3023 * Merge into this function the 'out' contracts of all it overrides. | |
| 3024 * 'out's are AND'd together, i.e. all of them need to pass. | |
| 3025 */ | |
| 3026 | |
| 3027 Statement mergeFensure(Statement sf) | |
| 3028 { | |
| 3029 /* Same comments as for mergeFrequire(), except that we take care | |
| 3030 * of generating a consistent reference to the 'result' local by | |
| 3031 * explicitly passing 'result' to the nested function as a reference | |
| 3032 * argument. | |
| 3033 * This won't work for the 'this' parameter as it would require changing | |
| 3034 * the semantic code for the nested function so that it looks on the parameter | |
| 3035 * list for the 'this' pointer, something that would need an unknown amount | |
| 3036 * of tweaking of various parts of the compiler that I'd rather leave alone. | |
| 3037 */ | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3038 foreach (FuncDeclaration fdv; foverrides) |
| 73 | 3039 { |
| 3040 sf = fdv.mergeFensure(sf); | |
| 98 | 3041 if (fdv.fdensure) |
| 73 | 3042 { |
| 3043 //printf("fdv.fensure: %s\n", fdv.fensure.toChars()); | |
| 3044 // Make the call: __ensure(result) | |
| 3045 Expression eresult = null; | |
| 3046 if (outId) | |
| 3047 eresult = new IdentifierExp(loc, outId); | |
| 3048 Expression e = new CallExp(loc, new VarExp(loc, fdv.fdensure, 0), eresult); | |
| 3049 Statement s2 = new ExpStatement(loc, e); | |
| 3050 | |
| 3051 if (sf) | |
| 3052 { | |
| 3053 sf = new CompoundStatement(fensure.loc, s2, sf); | |
| 3054 } | |
| 3055 else | |
| 3056 sf = s2; | |
| 3057 } | |
| 3058 } | |
| 3059 return sf; | |
| 3060 } | |
| 3061 | |
| 0 | 3062 static FuncDeclaration genCfunc(Type treturn, string name) |
| 3063 { | |
| 3064 return genCfunc(treturn, Lexer.idPool(name)); | |
| 3065 } | |
| 3066 | |
| 3067 /********************************** | |
| 3068 * Generate a FuncDeclaration for a runtime library function. | |
| 3069 */ | |
| 3070 static FuncDeclaration genCfunc(Type treturn, Identifier id) | |
| 3071 { | |
| 3072 FuncDeclaration fd; | |
| 3073 TypeFunction tf; | |
| 3074 Dsymbol s; | |
| 3075 static DsymbolTable st = null; | |
| 3076 | |
| 3077 //printf("genCfunc(name = '%s')\n", id.toChars()); | |
| 3078 //printf("treturn\n\t"); treturn.print(); | |
| 3079 | |
| 3080 // See if already in table | |
| 3081 if (!st) | |
| 3082 st = new DsymbolTable(); | |
| 3083 | |
| 3084 s = st.lookup(id); | |
| 3085 if (s) | |
| 3086 { | |
| 3087 fd = s.isFuncDeclaration(); | |
| 3088 assert(fd); | |
| 3089 assert(fd.type.nextOf().equals(treturn)); | |
| 3090 } | |
| 3091 else | |
| 3092 { | |
| 3093 tf = new TypeFunction(null, treturn, 0, LINK.LINKc); | |
| 3094 fd = new FuncDeclaration(Loc(0), Loc(0), id, STCstatic, tf); | |
| 3095 fd.protection = PROT.PROTpublic; | |
| 3096 fd.linkage = LINK.LINKc; | |
| 3097 | |
| 3098 st.insert(fd); | |
| 3099 } | |
| 3100 return fd; | |
| 3101 } | |
| 3102 | |
| 72 | 3103 override Symbol* toSymbol() |
| 0 | 3104 { |
| 3105 if (!csym) | |
| 3106 { | |
| 3107 Symbol* s; | |
| 3108 TYPE* t; | |
| 3109 string id; | |
| 3110 | |
| 3111 static if (false) { | |
| 3112 id = ident.toChars(); | |
| 3113 } else { | |
| 3114 id = mangle(); | |
| 3115 } | |
| 3116 //writef("FuncDeclaration.toSymbol(%s %s)\n", kind(), toChars()); | |
| 3117 //writef("\tid = '%s'\n", id); | |
| 3118 //writef("\ttype = %s\n", type.toChars()); | |
| 3119 s = symbol_calloc(toStringz(id)); | |
| 3120 slist_add(s); | |
| 3121 | |
| 3122 { | |
| 3123 s.prettyIdent = toStringz(toPrettyChars()); | |
| 3124 s.Sclass = SC.SCglobal; | |
| 3125 symbol_func(s); | |
| 3126 func_t* f = s.Sfunc; | |
| 3127 if (isVirtual()) | |
| 3128 f.Fflags |= F.Fvirtual; | |
| 3129 else if (isMember2()) | |
| 3130 f.Fflags |= F.Fstatic; | |
| 3131 f.Fstartline.Slinnum = loc.linnum; | |
| 3132 f.Fstartline.Sfilename = cast(char*)toStringz(loc.filename); | |
| 3133 if (endloc.linnum) | |
| 3134 { | |
| 3135 f.Fendline.Slinnum = endloc.linnum; | |
| 3136 f.Fendline.Sfilename = cast(char*)toStringz(endloc.filename); | |
| 3137 } | |
| 3138 else | |
| 3139 { | |
| 3140 f.Fendline.Slinnum = loc.linnum; | |
| 3141 f.Fendline.Sfilename = cast(char*)toStringz(loc.filename); | |
| 3142 } | |
| 3143 t = type.toCtype(); | |
| 3144 } | |
| 3145 | |
| 3146 mangle_t msave = t.Tmangle; | |
| 3147 if (isMain()) | |
| 3148 { | |
| 3149 t.Tty = TYM.TYnfunc; | |
| 3150 t.Tmangle = mTYman.mTYman_c; | |
| 3151 } | |
| 3152 else | |
| 3153 { | |
| 3154 switch (linkage) | |
| 3155 { | |
| 3156 case LINK.LINKwindows: | |
| 3157 t.Tmangle = mTYman.mTYman_std; | |
| 3158 break; | |
| 3159 | |
| 3160 case LINK.LINKpascal: | |
| 3161 t.Tty = TYM.TYnpfunc; | |
| 3162 t.Tmangle = mTYman.mTYman_pas; | |
| 3163 break; | |
| 3164 | |
| 3165 case LINK.LINKc: | |
| 3166 t.Tmangle = mTYman.mTYman_c; | |
| 3167 break; | |
| 3168 | |
| 3169 case LINK.LINKd: | |
| 3170 t.Tmangle = mTYman.mTYman_d; | |
| 3171 break; | |
| 3172 | |
| 3173 case LINK.LINKcpp: | |
| 3174 { t.Tmangle = mTYman.mTYman_cpp; | |
| 3175 version (TARGET_WINDOS) { | |
| 3176 if (isThis()) | |
| 3177 t.Tty = TYM.TYmfunc; | |
| 3178 } | |
| 3179 s.Sflags |= SFL.SFLpublic; | |
| 3180 Dsymbol parent = toParent(); | |
| 3181 ClassDeclaration cd = parent.isClassDeclaration(); | |
| 3182 if (cd) | |
| 3183 { | |
| 3184 .type* tt = cd.type.toCtype(); | |
| 3185 s.Sscope = tt.Tnext.Ttag; | |
| 3186 } | |
| 3187 break; | |
| 3188 } | |
| 3189 default: | |
| 3190 writef("linkage = %d\n", linkage); | |
| 3191 assert(0); | |
| 3192 } | |
| 3193 } | |
| 3194 if (msave) | |
| 3195 assert(msave == t.Tmangle); | |
| 3196 //printf("Tty = %x, mangle = x%x\n", t.Tty, t.Tmangle); | |
| 3197 t.Tcount++; | |
| 3198 s.Stype = t; | |
| 3199 //s.Sfielddef = this; | |
| 3200 | |
| 3201 csym = s; | |
| 3202 } | |
| 3203 return csym; | |
| 3204 } | |
| 3205 | |
| 3206 Symbol* toThunkSymbol(int offset) // thunk version | |
| 3207 { | |
| 3208 Symbol *sthunk; | |
| 3209 | |
| 3210 toSymbol(); | |
| 3211 | |
| 3212 static if (false) { | |
| 3213 char *id; | |
| 3214 char *n; | |
| 3215 type *t; | |
| 3216 | |
| 3217 n = sym.Sident; | |
| 72 | 3218 version (Bug4054) { |
| 63 | 3219 id = cast(char*) GC.malloc(8 + 5 + strlen(n) + 1); |
| 72 | 3220 } else { |
| 63 | 3221 id = cast(char*) alloca(8 + 5 + strlen(n) + 1); |
| 3222 } | |
| 0 | 3223 sprintf(id, "_thunk%d__%s", offset, n); |
| 3224 s = symbol_calloc(id); | |
| 3225 slist_add(s); | |
| 3226 s.Stype = csym.Stype; | |
| 3227 s.Stype.Tcount++; | |
| 3228 } | |
| 3229 sthunk = symbol_generate(SCstatic, csym.Stype); | |
| 3230 sthunk.Sflags |= SFLimplem; | |
| 3231 cod3_thunk(sthunk, csym, 0, TYnptr, -offset, -1, 0); | |
| 3232 return sthunk; | |
| 3233 } | |
| 3234 | |
| 72 | 3235 override void toObjFile(int multiobj) // compile to .obj file |
| 0 | 3236 { |
| 3237 Symbol* s; | |
| 3238 func_t* f; | |
| 3239 Symbol* senter; | |
| 3240 Symbol* sexit; | |
| 3241 | |
| 3242 FuncDeclaration func = this; | |
| 3243 ClassDeclaration cd = func.parent.isClassDeclaration(); | |
| 3244 int reverse; | |
| 89 | 3245 |
| 0 | 3246 int has_arguments; |
| 3247 | |
| 3248 //printf("FuncDeclaration.toObjFile(%p, %s.%s)\n", func, parent.toChars(), func.toChars()); | |
| 98 | 3249 static if (false) |
| 3250 { | |
| 0 | 3251 //printf("line = %d\n",func.getWhere() / LINEINC); |
| 3252 EEcontext ee = env.getEEcontext(); | |
| 3253 if (ee.EEcompile == 2) | |
| 3254 { | |
| 3255 if (ee.EElinnum < (func.getWhere() / LINEINC) || | |
| 3256 ee.EElinnum > (func.endwhere / LINEINC) | |
| 3257 ) | |
| 3258 return; // don't compile this function | |
| 3259 ee.EEfunc = func.toSymbol(); | |
| 3260 } | |
| 3261 } | |
| 3262 | |
| 3263 if (multiobj && !isStaticDtorDeclaration() && !isStaticCtorDeclaration()) | |
| 3264 { | |
| 3265 obj_append(this); | |
| 3266 return; | |
| 3267 } | |
| 3268 | |
| 3269 if (semanticRun >= 5) // if toObjFile() already run | |
| 3270 return; | |
| 3271 | |
| 3272 semanticRun = 5; | |
| 3273 | |
| 3274 if (!func.fbody) | |
| 3275 { | |
| 3276 return; | |
| 3277 } | |
| 3278 | |
| 3279 if (func.isUnitTestDeclaration() && !global.params.useUnitTests) | |
| 3280 return; | |
| 3281 | |
| 3282 if (global.params.verbose) | |
| 3283 writef("function %s\n",func.toChars()); | |
| 3284 | |
| 3285 s = func.toSymbol(); | |
| 3286 f = s.Sfunc; | |
| 73 | 3287 |
| 98 | 3288 version (TARGET_WINDOS) |
| 3289 { | |
| 73 | 3290 /* This is done so that the 'this' pointer on the stack is the same |
| 3291 * distance away from the function parameters, so that an overriding | |
| 3292 * function can call the nested fdensure or fdrequire of its overridden function | |
| 3293 * and the stack offsets are the same. | |
| 3294 */ | |
| 3295 if (isVirtual() && (fensure || frequire)) | |
| 3296 f.Fflags3 |= F3.Ffakeeh; | |
| 3297 } | |
| 0 | 3298 |
| 3299 version (TARGET_OSX) { | |
| 3300 s.Sclass = SC.SCcomdat; | |
| 3301 } else { | |
| 3302 s.Sclass = SC.SCglobal; | |
| 3303 } | |
| 3304 | |
| 3305 for (Dsymbol p = parent; p; p = p.parent) | |
| 3306 { | |
| 3307 if (p.isTemplateInstance()) | |
| 3308 { | |
| 3309 s.Sclass = SC.SCcomdat; | |
| 3310 break; | |
| 3311 } | |
| 3312 } | |
| 3313 | |
| 3314 if (isNested()) | |
| 3315 { | |
| 3316 // if (!(config.flags3 & CFG3pic)) | |
| 3317 // s.Sclass = SCstatic; | |
| 3318 f.Fflags3 |= F3.Fnested; | |
| 3319 } | |
| 3320 else | |
| 3321 { | |
| 3322 const(char)* libname = (global.params.symdebug) ? global.params.debuglibname : global.params.defaultlibname; | |
| 3323 | |
| 3324 // Pull in RTL startup code | |
| 3325 if (func.isMain()) | |
| 3326 { objextdef("_main"); | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
17
diff
changeset
|
3327 version (POSIX) { ///TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_SOLARIS |
| 0 | 3328 obj_ehsections(); // initialize exception handling sections |
| 3329 } else { | |
| 3330 objextdef("__acrtused_con"); | |
| 3331 } | |
| 3332 obj_includelib(libname); | |
| 3333 s.Sclass = SC.SCglobal; | |
| 3334 } | |
| 3335 else if (strcmp(s.Sident.ptr, "main".ptr) == 0 && linkage == LINK.LINKc) | |
| 3336 s.Sclass = SC.SCglobal; | |
| 3337 | |
| 3338 else if (func.isWinMain()) | |
| 3339 { | |
| 3340 objextdef("__acrtused"); | |
| 3341 obj_includelib(libname); | |
| 3342 s.Sclass = SC.SCglobal; | |
| 3343 } | |
| 3344 | |
| 3345 // Pull in RTL startup code | |
| 3346 else if (func.isDllMain()) | |
| 3347 { | |
| 3348 objextdef("__acrtused_dll"); | |
| 3349 obj_includelib(libname); | |
| 3350 s.Sclass = SC.SCglobal; | |
| 3351 } | |
| 3352 } | |
| 3353 | |
| 3354 cstate.CSpsymtab = &f.Flocsym; | |
| 3355 | |
| 3356 // Find module m for this function | |
| 3357 Module m = null; | |
| 3358 for (Dsymbol p = parent; p; p = p.parent) | |
| 3359 { | |
| 3360 m = p.isModule(); | |
| 3361 if (m) | |
| 3362 break; | |
| 3363 } | |
| 3364 | |
| 3365 IRState irs = IRState(m, func); | |
| 3366 Array deferToObj = new Array(); // write these to OBJ file later | |
| 3367 irs.deferToObj = deferToObj; | |
| 3368 | |
| 3369 TypeFunction tf; | |
| 3370 RET retmethod; | |
| 3371 Symbol* shidden = null; | |
| 3372 Symbol* sthis = null; | |
| 3373 tym_t tyf; | |
| 3374 | |
| 3375 tyf = tybasic(s.Stype.Tty); | |
| 3376 //printf("linkage = %d, tyf = x%x\n", linkage, tyf); | |
| 3377 reverse = tyrevfunc(s.Stype.Tty); | |
| 3378 | |
| 3379 assert(func.type.ty == TY.Tfunction); | |
| 3380 tf = cast(TypeFunction)(func.type); | |
| 3381 has_arguments = (tf.linkage == LINK.LINKd) && (tf.varargs == 1); | |
| 3382 retmethod = tf.retStyle(); | |
| 3383 if (retmethod == RET.RETstack) | |
| 3384 { | |
| 3385 // If function returns a struct, put a pointer to that | |
| 3386 // as the first argument | |
| 3387 .type* thidden = tf.next.pointerTo().toCtype(); | |
| 3388 char hiddenparam[5+4+1]; | |
| 3389 static int hiddenparami; // how many we've generated so far | |
| 3390 | |
| 3391 sprintf(hiddenparam.ptr, "__HID%d".ptr, ++hiddenparami); | |
| 3392 shidden = symbol_name(hiddenparam.ptr, SC.SCparameter, thidden); | |
| 3393 shidden.Sflags |= SFL.SFLtrue | SFL.SFLfree; | |
| 3394 | |
| 3395 version (DMDV1) { | |
| 3396 bool nestedref = func.nrvo_can && func.nrvo_var && func.nrvo_var.nestedref; | |
| 3397 } else { | |
| 3398 bool nestedref = func.nrvo_can && func.nrvo_var && (func.nrvo_var.nestedrefs.dim != 0); | |
| 3399 } | |
| 3400 if (nestedref) { | |
| 3401 type_setcv(&shidden.Stype, shidden.Stype.Tty | mTY.mTYvolatile); | |
| 3402 } | |
| 3403 | |
| 3404 irs.shidden = shidden; | |
| 3405 this.shidden = shidden; | |
| 3406 } | |
| 3407 | |
| 3408 if (vthis) | |
| 3409 { | |
| 3410 assert(!vthis.csym); | |
| 3411 sthis = vthis.toSymbol(); | |
| 3412 irs.sthis = sthis; | |
| 3413 if (!(f.Fflags3 & F3.Fnested)) | |
| 3414 f.Fflags3 |= F3.Fmember; | |
| 3415 } | |
| 3416 | |
| 3417 Symbol** params; | |
| 3418 uint pi; | |
| 3419 | |
| 3420 // Estimate number of parameters, pi | |
| 3421 pi = (v_arguments !is null); | |
| 3422 if (parameters) | |
| 3423 pi += parameters.dim; | |
| 3424 | |
| 3425 // Allow extra 2 for sthis and shidden | |
| 72 | 3426 version (Bug4054) |
|
14
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
|
3427 params = cast(Symbol**)GC.malloc((pi + 2) * (Symbol*).sizeof); |
| 72 | 3428 else |
| 0 | 3429 params = cast(Symbol**)alloca((pi + 2) * (Symbol*).sizeof); |
| 3430 | |
| 3431 // Get the actual number of parameters, pi, and fill in the params[] | |
| 3432 pi = 0; | |
| 3433 if (v_arguments) | |
| 3434 { | |
| 3435 params[pi] = v_arguments.toSymbol(); | |
| 3436 pi += 1; | |
| 3437 } | |
| 3438 if (parameters) | |
| 3439 { | |
| 89 | 3440 size_t i = 0; |
| 3441 for ( ; i < parameters.dim; ++i) | |
| 0 | 3442 { |
| 89 | 3443 auto v = cast(VarDeclaration)parameters[i]; |
| 98 | 3444 |
| 0 | 3445 if (v.csym) |
| 98 | 3446 { |
| 3447 error("compiler error, parameter '%s', bugzilla 2962?", v.toChars()); | |
| 3448 assert(false); | |
| 3449 } | |
| 0 | 3450 params[pi + i] = v.toSymbol(); |
| 3451 } | |
| 3452 pi += i; | |
| 3453 } | |
| 3454 | |
| 3455 if (reverse) | |
| 3456 { | |
| 3457 // Reverse params[] entries | |
| 89 | 3458 for (size_t i = 0; i < pi/2; i++) |
| 0 | 3459 { |
| 3460 Symbol* sptmp = params[i]; | |
| 3461 params[i] = params[pi - 1 - i]; | |
| 3462 params[pi - 1 - i] = sptmp; | |
| 3463 } | |
| 3464 } | |
| 3465 | |
| 3466 if (shidden) | |
| 3467 { | |
| 3468 static if (false) { | |
| 3469 // shidden becomes last parameter | |
| 3470 params[pi] = shidden; | |
| 3471 } else { | |
| 3472 // shidden becomes first parameter | |
| 3473 memmove(params + 1, params, pi * (*params).sizeof); | |
| 3474 params[0] = shidden; | |
| 3475 } | |
| 3476 pi++; | |
| 3477 } | |
| 3478 | |
| 3479 | |
| 3480 if (sthis) | |
| 3481 { | |
| 3482 static if (false) { | |
| 3483 // sthis becomes last parameter | |
| 3484 params[pi] = sthis; | |
| 3485 } else { | |
| 3486 // sthis becomes first parameter | |
| 3487 memmove(params + 1, params, pi * (*params).sizeof); | |
| 3488 params[0] = sthis; | |
| 3489 } | |
| 3490 pi++; | |
| 3491 } | |
| 3492 | |
| 3493 if ((global.params.isLinux || global.params.isOSX || global.params.isFreeBSD || global.params.isSolaris) && | |
| 3494 linkage != LINK.LINKd && shidden && sthis) | |
| 3495 { | |
| 3496 /* swap shidden and sthis | |
| 3497 */ | |
| 3498 Symbol* sp = params[0]; | |
| 3499 params[0] = params[1]; | |
| 3500 params[1] = sp; | |
| 3501 } | |
| 3502 | |
| 89 | 3503 for (size_t i = 0; i < pi; i++) |
| 0 | 3504 { |
| 3505 Symbol *sp = params[i]; | |
| 3506 sp.Sclass = SC.SCparameter; | |
| 3507 sp.Sflags &= ~SFL.SFLspill; | |
| 3508 sp.Sfl = FL.FLpara; | |
| 3509 symbol_add(sp); | |
| 3510 } | |
| 3511 | |
| 3512 // First parameter goes in register | |
| 3513 if (pi) | |
| 3514 { | |
| 3515 Symbol* sp = params[0]; | |
| 3516 if ((tyf == TYM.TYjfunc || tyf == TYM.TYmfunc) && type_jparam(sp.Stype)) | |
| 3517 { | |
| 3518 sp.Sclass = SC.SCfastpar; | |
| 3519 sp.Spreg = (tyf == TYM.TYjfunc) ? REG.AX : REG.CX; | |
| 3520 sp.Sfl = FL.FLauto; | |
| 3521 //printf("'%s' is SCfastpar\n",sp.Sident); | |
| 3522 } | |
| 3523 } | |
| 3524 | |
| 3525 if (func.fbody) | |
| 3526 { | |
| 3527 block* b; | |
| 3528 Blockx bx; | |
| 3529 Statement sbody; | |
| 3530 | |
| 3531 localgot = null; | |
| 3532 | |
| 3533 sbody = func.fbody; | |
| 3534 ///memset(&bx, 0, (bx).sizeof); | |
| 3535 bx.startblock = block_calloc(); | |
| 3536 bx.curblock = bx.startblock; | |
| 3537 bx.funcsym = s; | |
| 3538 bx.scope_index = -1; | |
| 3539 bx.classdec = cd; | |
| 3540 bx.member = func; | |
| 3541 bx.module_ = getModule(); | |
| 3542 irs.blx = &bx; | |
| 3543 | |
| 3544 buildClosure(&irs); | |
| 3545 | |
| 3546 static if (false) { | |
| 3547 if (func.isSynchronized()) | |
| 3548 { | |
| 3549 if (cd) | |
| 3550 { | |
| 3551 elem *esync; | |
| 3552 if (func.isStatic()) | |
| 3553 { // monitor is in ClassInfo | |
| 3554 esync = el_ptr(cd.toSymbol()); | |
| 3555 } | |
| 3556 else | |
| 3557 { // 'this' is the monitor | |
| 3558 esync = el_var(sthis); | |
| 3559 } | |
| 3560 | |
| 3561 if (func.isStatic() || sbody.usesEH() || | |
| 3562 !(config.flags2 & CFG2.CFG2seh)) | |
| 3563 { // BUG: what if frequire or fensure uses EH? | |
| 3564 | |
| 3565 sbody = new SynchronizedStatement(func.loc, esync, sbody); | |
| 3566 } | |
| 3567 else | |
| 3568 { | |
| 3569 version (TARGET_WINDOS) { | |
| 3570 if (config.flags2 & CFG2.CFG2seh) | |
| 3571 { | |
| 3572 /* The "jmonitor" uses an optimized exception handling frame | |
| 3573 * which is a little shorter than the more general EH frame. | |
| 3574 * It isn't strictly necessary. | |
| 3575 */ | |
| 3576 s.Sfunc.Fflags3 |= Fjmonitor; | |
| 3577 } | |
| 3578 } | |
| 3579 el_free(esync); | |
| 3580 } | |
| 3581 } | |
| 3582 else | |
| 3583 { | |
| 3584 error("synchronized function %s must be a member of a class", func.toChars()); | |
| 3585 } | |
| 3586 } | |
| 3587 } else version (TARGET_WINDOS) { | |
| 3588 if (func.isSynchronized() && cd && config.flags2 & CFG2.CFG2seh && | |
| 3589 !func.isStatic() && !sbody.usesEH()) | |
| 3590 { | |
| 3591 /* The "jmonitor" hack uses an optimized exception handling frame | |
| 3592 * which is a little shorter than the more general EH frame. | |
| 3593 */ | |
| 3594 s.Sfunc.Fflags3 |= F3.Fjmonitor; | |
| 3595 } | |
| 3596 } | |
| 3597 | |
| 3598 sbody.toIR(&irs); | |
| 3599 bx.curblock.BC = BC.BCret; | |
| 3600 | |
| 3601 f.Fstartblock = bx.startblock; | |
| 3602 // einit = el_combine(einit,bx.init); | |
| 3603 | |
| 3604 if (isCtorDeclaration()) | |
| 3605 { | |
| 3606 assert(sthis); | |
| 3607 for (b = f.Fstartblock; b; b = b.Bnext) | |
| 3608 { | |
| 3609 if (b.BC == BC.BCret) | |
| 3610 { | |
| 3611 b.BC = BC.BCretexp; | |
| 3612 b.Belem = el_combine(b.Belem, el_var(sthis)); | |
| 3613 } | |
| 3614 } | |
| 3615 } | |
| 3616 } | |
| 3617 | |
| 3618 // If static constructor | |
| 3619 if (isStaticConstructor()) | |
| 3620 { | |
| 3621 elem* e = el_una(OPER.OPucall, TYM.TYvoid, el_var(s)); | |
| 3622 ector = el_combine(ector, e); | |
| 3623 } | |
| 3624 | |
| 3625 // If static destructor | |
| 3626 if (isStaticDestructor()) | |
| 3627 { | |
| 3628 elem* e; | |
| 3629 | |
| 3630 version (STATICCTOR) { | |
| 3631 e = el_bin(OPER.OPcall, TYM.TYvoid, el_var(rtlsym[RTLSYM.RTLSYM_FATEXIT]), el_ptr(s)); | |
| 3632 ector = el_combine(ector, e); | |
| 3633 dtorcount++; | |
| 3634 } else { | |
| 3635 StaticDtorDeclaration f2 = isStaticDtorDeclaration(); | |
| 3636 assert(f2); | |
| 3637 if (f2.vgate) | |
| 3638 { | |
| 3639 /* Increment destructor's vgate at construction time | |
| 3640 */ | |
| 3641 ectorgates.push(cast(void*)f2); | |
| 3642 } | |
| 3643 | |
| 3644 e = el_una(OPER.OPucall, TYM.TYvoid, el_var(s)); | |
| 3645 edtor = el_combine(e, edtor); | |
| 3646 } | |
| 3647 } | |
| 3648 | |
| 3649 // If unit test | |
| 3650 if (isUnitTestDeclaration()) | |
| 3651 { | |
| 3652 elem* e = el_una(OPER.OPucall, TYM.TYvoid, el_var(s)); | |
| 3653 etest = el_combine(etest, e); | |
| 3654 } | |
| 3655 | |
| 3656 if (global.errors) | |
| 3657 return; | |
| 3658 | |
| 3659 writefunc(s); | |
| 3660 | |
| 3661 if (isExport()) { | |
| 3662 obj_export(s, Poffset); | |
| 3663 } | |
| 3664 | |
| 89 | 3665 for (size_t i = 0; i < irs.deferToObj.dim; i++) |
| 0 | 3666 { |
| 3667 Dsymbol ss = cast(Dsymbol)irs.deferToObj.data[i]; | |
| 3668 ss.toObjFile(0); | |
| 3669 } | |
| 3670 | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
17
diff
changeset
|
3671 version (POSIX) { ///TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_SOLARIS |
| 0 | 3672 // A hack to get a pointer to this function put in the .dtors segment |
| 3673 if (ident && ident.toChars() == "_STD") { | |
| 3674 obj_staticdtor(s); | |
| 3675 } | |
| 3676 } | |
| 3677 version (DMDV2) { | |
| 3678 if (irs.startaddress) | |
| 3679 { | |
| 3680 writef("Setting start address\n"); | |
| 3681 obj_startaddress(irs.startaddress); | |
| 3682 } | |
| 3683 } | |
| 3684 } | |
| 3685 | |
| 72 | 3686 override int cvMember(ubyte* p) |
| 0 | 3687 { |
| 3688 assert(false); | |
| 3689 } | |
| 3690 | |
| 3691 /************************************* | |
| 3692 * Closures are implemented by taking the local variables that | |
| 3693 * need to survive the scope of the function, and copying them | |
| 3694 * into a gc allocated chuck of memory. That chunk, called the | |
| 3695 * closure here, is inserted into the linked list of stack | |
| 3696 * frames instead of the usual stack frame. | |
| 3697 * | |
| 3698 * buildClosure() inserts code just after the function prolog | |
| 3699 * is complete. It allocates memory for the closure, allocates | |
| 3700 * a local variable (sclosure) to point to it, inserts into it | |
| 3701 * the link to the enclosing frame, and copies into it the parameters | |
| 3702 * that are referred to in nested functions. | |
| 3703 * In VarExp.toElem and SymOffExp.toElem, when referring to a | |
| 3704 * variable that is in a closure, takes the offset from sclosure rather | |
| 3705 * than from the frame pointer. | |
| 3706 * | |
| 3707 * getEthis() and NewExp.toElem need to use sclosure, if set, rather | |
| 3708 * than the current frame pointer. | |
| 3709 */ | |
| 3710 void buildClosure(IRState* irs) | |
| 3711 { | |
| 3712 if (needsClosure()) | |
| 3713 { | |
| 3714 // Generate closure on the heap | |
| 3715 // BUG: doesn't capture variadic arguments passed to this function | |
| 3716 | |
| 3717 version (DMDV2) { | |
| 3718 /* BUG: doesn't handle destructors for the local variables. | |
| 3719 * The way to do it is to make the closure variables the fields | |
| 3720 * of a class object: | |
| 3721 * class Closure | |
| 3722 * { vtbl[] | |
| 3723 * monitor | |
| 3724 * ptr to destructor | |
| 3725 * sthis | |
| 3726 * ... closure variables ... | |
| 3727 * ~this() { call destructor } | |
| 3728 * } | |
| 3729 */ | |
| 3730 } | |
| 3731 //printf("FuncDeclaration.buildClosure()\n"); | |
| 3732 Symbol* sclosure; | |
| 3733 sclosure = symbol_name("__closptr".ptr, SC.SCauto, Type.tvoidptr.toCtype()); | |
| 3734 sclosure.Sflags |= SFL.SFLtrue | SFL.SFLfree; | |
| 3735 symbol_add(sclosure); | |
| 3736 irs.sclosure = sclosure; | |
| 3737 | |
| 3738 uint offset = PTRSIZE; // leave room for previous sthis | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3739 foreach (Dsymbol s3; closureVars) |
| 0 | 3740 { |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3741 auto v = cast(VarDeclaration)s3; |
| 0 | 3742 assert(v.isVarDeclaration()); |
| 3743 | |
| 3744 version (DMDV2) { | |
| 3745 if (v.needsAutoDtor()) | |
| 3746 v.error("has scoped destruction, cannot build closure"); | |
| 3747 } | |
| 3748 /* Align and allocate space for v in the closure | |
| 3749 * just like AggregateDeclaration.addField() does. | |
| 3750 */ | |
| 3751 uint memsize; | |
| 3752 uint memalignsize; | |
| 3753 uint xalign; | |
| 3754 /// version (DMDV2) { | |
| 3755 if (v.storage_class & STC.STClazy) | |
| 3756 { | |
| 3757 /* Lazy variables are really delegates, | |
| 3758 * so give same answers that TypeDelegate would | |
| 3759 */ | |
| 3760 memsize = PTRSIZE * 2; | |
| 3761 memalignsize = memsize; | |
| 3762 xalign = global.structalign; | |
| 3763 } | |
| 3764 else | |
| 3765 /// } | |
| 3766 { | |
| 3767 memsize = cast(uint)v.type.size(); | |
| 3768 memalignsize = v.type.alignsize(); | |
| 3769 xalign = v.type.memalign(global.structalign); | |
| 3770 } | |
| 3771 AggregateDeclaration.alignmember(xalign, memalignsize, &offset); | |
| 3772 v.offset = offset; | |
| 3773 offset += memsize; | |
| 3774 | |
| 3775 /* Can't do nrvo if the variable is put in a closure, since | |
| 3776 * what the shidden points to may no longer exist. | |
| 3777 */ | |
| 3778 if (nrvo_can && nrvo_var == v) | |
| 3779 { | |
| 3780 nrvo_can = 0; | |
| 3781 } | |
| 3782 } | |
| 3783 // offset is now the size of the closure | |
| 3784 | |
| 3785 // Allocate memory for the closure | |
| 3786 elem* e; | |
| 3787 e = el_long(TYM.TYint, offset); | |
| 3788 e = el_bin(OPER.OPcall, TYM.TYnptr, el_var(rtlsym[RTLSYM.RTLSYM_ALLOCMEMORY]), e); | |
| 3789 | |
| 3790 // Assign block of memory to sclosure | |
| 3791 // sclosure = allocmemory(sz); | |
| 3792 e = el_bin(OPER.OPeq, TYM.TYvoid, el_var(sclosure), e); | |
| 3793 | |
| 3794 // Set the first element to sthis | |
| 3795 // *(sclosure + 0) = sthis; | |
| 3796 elem* ethis; | |
| 3797 if (irs.sthis) | |
| 3798 ethis = el_var(irs.sthis); | |
| 3799 else | |
| 3800 ethis = el_long(TYM.TYnptr, 0); | |
| 3801 elem *ex = el_una(OPER.OPind, TYM.TYnptr, el_var(sclosure)); | |
| 3802 ex = el_bin(OPER.OPeq, TYM.TYnptr, ex, ethis); | |
| 3803 e = el_combine(e, ex); | |
| 3804 | |
| 3805 // Copy function parameters into closure | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3806 foreach (Dsymbol s3; closureVars) |
|
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
3807 { auto v = cast(VarDeclaration)s3; |
| 0 | 3808 |
| 3809 if (!v.isParameter()) | |
| 3810 continue; | |
| 3811 TYM tym = v.type.totym(); | |
| 3812 if (v.type.toBasetype().ty == TY.Tsarray || v.isOut() || v.isRef()) | |
| 3813 tym = TYM.TYnptr; // reference parameters are just pointers | |
| 3814 /// version (DMDV2) { | |
| 3815 else if (v.storage_class & STC.STClazy) | |
| 3816 tym = TYM.TYdelegate; | |
| 3817 /// } | |
| 3818 ex = el_bin(OPER.OPadd, TYM.TYnptr, el_var(sclosure), el_long(TYM.TYint, v.offset)); | |
| 3819 ex = el_una(OPER.OPind, tym, ex); | |
| 3820 if (ex.Ety == TYM.TYstruct) | |
| 3821 { | |
| 3822 ex.Enumbytes = cast(uint)v.type.size(); | |
| 3823 ex = el_bin(OPER.OPstreq, tym, ex, el_var(v.toSymbol())); | |
| 3824 ex.Enumbytes = cast(uint)v.type.size(); | |
| 3825 } | |
| 3826 else | |
| 3827 { | |
| 3828 ex = el_bin(OPER.OPeq, tym, ex, el_var(v.toSymbol())); | |
| 3829 } | |
| 3830 | |
| 3831 e = el_combine(e, ex); | |
| 3832 } | |
| 3833 | |
| 3834 block_appendexp(irs.blx.curblock, e); | |
| 3835 } | |
| 3836 } | |
| 3837 | |
| 72 | 3838 override FuncDeclaration isFuncDeclaration() { return this; } |
| 3839 } | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
73
diff
changeset
|
3840 |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
3841 alias Vector!FuncDeclaration FuncDeclarations; |